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Linux 3.11-rc3
[cris-mirror.git] / drivers / net / wireless / iwlwifi / dvm / debugfs.c
blobd5329489245a74ccb5cac363e3831e36648c1ce3
1 /******************************************************************************
2 *
3 * GPL LICENSE SUMMARY
4 *
5 * Copyright(c) 2008 - 2013 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 COPYING.
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 #include <linux/ieee80211.h>
34 #include <net/mac80211.h>
35 #include "iwl-debug.h"
36 #include "iwl-io.h"
37 #include "dev.h"
38 #include "agn.h"
39
40 /* create and remove of files */
41 #define DEBUGFS_ADD_FILE(name, parent, mode) do { \
42 if (!debugfs_create_file(#name, mode, parent, priv, \
43 &iwl_dbgfs_##name##_ops)) \
44 goto err; \
45 } while (0)
46
47 #define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \
48 struct dentry *__tmp; \
49 __tmp = debugfs_create_bool(#name, S_IWUSR | S_IRUSR, \
50 parent, ptr); \
51 if (IS_ERR(__tmp) || !__tmp) \
52 goto err; \
53 } while (0)
54
55 #define DEBUGFS_ADD_X32(name, parent, ptr) do { \
56 struct dentry *__tmp; \
57 __tmp = debugfs_create_x32(#name, S_IWUSR | S_IRUSR, \
58 parent, ptr); \
59 if (IS_ERR(__tmp) || !__tmp) \
60 goto err; \
61 } while (0)
62
63 #define DEBUGFS_ADD_U32(name, parent, ptr, mode) do { \
64 struct dentry *__tmp; \
65 __tmp = debugfs_create_u32(#name, mode, \
66 parent, ptr); \
67 if (IS_ERR(__tmp) || !__tmp) \
68 goto err; \
69 } while (0)
70
71 /* file operation */
72 #define DEBUGFS_READ_FUNC(name) \
73 static ssize_t iwl_dbgfs_##name##_read(struct file *file, \
74 char __user *user_buf, \
75 size_t count, loff_t *ppos);
76
77 #define DEBUGFS_WRITE_FUNC(name) \
78 static ssize_t iwl_dbgfs_##name##_write(struct file *file, \
79 const char __user *user_buf, \
80 size_t count, loff_t *ppos);
81
82
83 #define DEBUGFS_READ_FILE_OPS(name) \
84 DEBUGFS_READ_FUNC(name); \
85 static const struct file_operations iwl_dbgfs_##name##_ops = { \
86 .read = iwl_dbgfs_##name##_read, \
87 .open = simple_open, \
88 .llseek = generic_file_llseek, \
89 };
90
91 #define DEBUGFS_WRITE_FILE_OPS(name) \
92 DEBUGFS_WRITE_FUNC(name); \
93 static const struct file_operations iwl_dbgfs_##name##_ops = { \
94 .write = iwl_dbgfs_##name##_write, \
95 .open = simple_open, \
96 .llseek = generic_file_llseek, \
97 };
98
99
100 #define DEBUGFS_READ_WRITE_FILE_OPS(name) \
101 DEBUGFS_READ_FUNC(name); \
102 DEBUGFS_WRITE_FUNC(name); \
103 static const struct file_operations iwl_dbgfs_##name##_ops = { \
104 .write = iwl_dbgfs_##name##_write, \
105 .read = iwl_dbgfs_##name##_read, \
106 .open = simple_open, \
107 .llseek = generic_file_llseek, \
108 };
109
110 static ssize_t iwl_dbgfs_sram_read(struct file *file,
111 char __user *user_buf,
112 size_t count, loff_t *ppos)
113 {
114 u32 val = 0;
115 char *buf;
116 ssize_t ret;
117 int i = 0;
118 bool device_format = false;
119 int offset = 0;
120 int len = 0;
121 int pos = 0;
122 int sram;
123 struct iwl_priv *priv = file->private_data;
124 const struct fw_img *img;
125 size_t bufsz;
126
127 if (!iwl_is_ready_rf(priv))
128 return -EAGAIN;
129
130 /* default is to dump the entire data segment */
131 if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) {
132 priv->dbgfs_sram_offset = 0x800000;
133 if (!priv->ucode_loaded)
134 return -EINVAL;
135 img = &priv->fw->img[priv->cur_ucode];
136 priv->dbgfs_sram_len = img->sec[IWL_UCODE_SECTION_DATA].len;
137 }
138 len = priv->dbgfs_sram_len;
139
140 if (len == -4) {
141 device_format = true;
142 len = 4;
143 }
144
145 bufsz = 50 + len * 4;
146 buf = kmalloc(bufsz, GFP_KERNEL);
147 if (!buf)
148 return -ENOMEM;
149
150 pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n",
151 len);
152 pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n",
153 priv->dbgfs_sram_offset);
154
155 /* adjust sram address since reads are only on even u32 boundaries */
156 offset = priv->dbgfs_sram_offset & 0x3;
157 sram = priv->dbgfs_sram_offset & ~0x3;
158
159 /* read the first u32 from sram */
160 val = iwl_trans_read_mem32(priv->trans, sram);
161
162 for (; len; len--) {
163 /* put the address at the start of every line */
164 if (i == 0)
165 pos += scnprintf(buf + pos, bufsz - pos,
166 "%08X: ", sram + offset);
167
168 if (device_format)
169 pos += scnprintf(buf + pos, bufsz - pos,
170 "%02x", (val >> (8 * (3 - offset))) & 0xff);
171 else
172 pos += scnprintf(buf + pos, bufsz - pos,
173 "%02x ", (val >> (8 * offset)) & 0xff);
174
175 /* if all bytes processed, read the next u32 from sram */
176 if (++offset == 4) {
177 sram += 4;
178 offset = 0;
179 val = iwl_trans_read_mem32(priv->trans, sram);
180 }
181
182 /* put in extra spaces and split lines for human readability */
183 if (++i == 16) {
184 i = 0;
185 pos += scnprintf(buf + pos, bufsz - pos, "\n");
186 } else if (!(i & 7)) {
187 pos += scnprintf(buf + pos, bufsz - pos, " ");
188 } else if (!(i & 3)) {
189 pos += scnprintf(buf + pos, bufsz - pos, " ");
190 }
191 }
192 if (i)
193 pos += scnprintf(buf + pos, bufsz - pos, "\n");
194
195 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
196 kfree(buf);
197 return ret;
198 }
199
200 static ssize_t iwl_dbgfs_sram_write(struct file *file,
201 const char __user *user_buf,
202 size_t count, loff_t *ppos)
203 {
204 struct iwl_priv *priv = file->private_data;
205 char buf[64];
206 int buf_size;
207 u32 offset, len;
208
209 memset(buf, 0, sizeof(buf));
210 buf_size = min(count, sizeof(buf) - 1);
211 if (copy_from_user(buf, user_buf, buf_size))
212 return -EFAULT;
213
214 if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
215 priv->dbgfs_sram_offset = offset;
216 priv->dbgfs_sram_len = len;
217 } else if (sscanf(buf, "%x", &offset) == 1) {
218 priv->dbgfs_sram_offset = offset;
219 priv->dbgfs_sram_len = -4;
220 } else {
221 priv->dbgfs_sram_offset = 0;
222 priv->dbgfs_sram_len = 0;
223 }
224
225 return count;
226 }
227
228 static ssize_t iwl_dbgfs_wowlan_sram_read(struct file *file,
229 char __user *user_buf,
230 size_t count, loff_t *ppos)
231 {
232 struct iwl_priv *priv = file->private_data;
233 const struct fw_img *img = &priv->fw->img[IWL_UCODE_WOWLAN];
234
235 if (!priv->wowlan_sram)
236 return -ENODATA;
237
238 return simple_read_from_buffer(user_buf, count, ppos,
239 priv->wowlan_sram,
240 img->sec[IWL_UCODE_SECTION_DATA].len);
241 }
242 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
243 size_t count, loff_t *ppos)
244 {
245 struct iwl_priv *priv = file->private_data;
246 struct iwl_station_entry *station;
247 struct iwl_tid_data *tid_data;
248 char *buf;
249 int i, j, pos = 0;
250 ssize_t ret;
251 /* Add 30 for initial string */
252 const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
253
254 buf = kmalloc(bufsz, GFP_KERNEL);
255 if (!buf)
256 return -ENOMEM;
257
258 pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
259 priv->num_stations);
260
261 for (i = 0; i < IWLAGN_STATION_COUNT; i++) {
262 station = &priv->stations[i];
263 if (!station->used)
264 continue;
265 pos += scnprintf(buf + pos, bufsz - pos,
266 "station %d - addr: %pM, flags: %#x\n",
267 i, station->sta.sta.addr,
268 station->sta.station_flags_msk);
269 pos += scnprintf(buf + pos, bufsz - pos,
270 "TID seqno next_rclmd "
271 "rate_n_flags state txq\n");
272
273 for (j = 0; j < IWL_MAX_TID_COUNT; j++) {
274 tid_data = &priv->tid_data[i][j];
275 pos += scnprintf(buf + pos, bufsz - pos,
276 "%d: 0x%.4x 0x%.4x 0x%.8x "
277 "%d %.2d",
278 j, tid_data->seq_number,
279 tid_data->next_reclaimed,
280 tid_data->agg.rate_n_flags,
281 tid_data->agg.state,
282 tid_data->agg.txq_id);
283
284 if (tid_data->agg.wait_for_ba)
285 pos += scnprintf(buf + pos, bufsz - pos,
286 " - waitforba");
287 pos += scnprintf(buf + pos, bufsz - pos, "\n");
288 }
289
290 pos += scnprintf(buf + pos, bufsz - pos, "\n");
291 }
292
293 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
294 kfree(buf);
295 return ret;
296 }
297
298 static ssize_t iwl_dbgfs_nvm_read(struct file *file,
299 char __user *user_buf,
300 size_t count,
301 loff_t *ppos)
302 {
303 ssize_t ret;
304 struct iwl_priv *priv = file->private_data;
305 int pos = 0, ofs = 0, buf_size = 0;
306 const u8 *ptr;
307 char *buf;
308 u16 nvm_ver;
309 size_t eeprom_len = priv->eeprom_blob_size;
310 buf_size = 4 * eeprom_len + 256;
311
312 if (eeprom_len % 16)
313 return -ENODATA;
314
315 ptr = priv->eeprom_blob;
316 if (!ptr)
317 return -ENOMEM;
318
319 /* 4 characters for byte 0xYY */
320 buf = kzalloc(buf_size, GFP_KERNEL);
321 if (!buf)
322 return -ENOMEM;
323
324 nvm_ver = priv->nvm_data->nvm_version;
325 pos += scnprintf(buf + pos, buf_size - pos,
326 "NVM version: 0x%x\n", nvm_ver);
327 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
328 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
329 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
330 buf_size - pos, 0);
331 pos += strlen(buf + pos);
332 if (buf_size - pos > 0)
333 buf[pos++] = '\n';
334 }
335
336 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
337 kfree(buf);
338 return ret;
339 }
340
341 static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
342 size_t count, loff_t *ppos)
343 {
344 struct iwl_priv *priv = file->private_data;
345 struct ieee80211_channel *channels = NULL;
346 const struct ieee80211_supported_band *supp_band = NULL;
347 int pos = 0, i, bufsz = PAGE_SIZE;
348 char *buf;
349 ssize_t ret;
350
351 buf = kzalloc(bufsz, GFP_KERNEL);
352 if (!buf)
353 return -ENOMEM;
354
355 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
356 if (supp_band) {
357 channels = supp_band->channels;
358
359 pos += scnprintf(buf + pos, bufsz - pos,
360 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
361 supp_band->n_channels);
362
363 for (i = 0; i < supp_band->n_channels; i++)
364 pos += scnprintf(buf + pos, bufsz - pos,
365 "%d: %ddBm: BSS%s%s, %s.\n",
366 channels[i].hw_value,
367 channels[i].max_power,
368 channels[i].flags & IEEE80211_CHAN_RADAR ?
369 " (IEEE 802.11h required)" : "",
370 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
371 || (channels[i].flags &
372 IEEE80211_CHAN_RADAR)) ? "" :
373 ", IBSS",
374 channels[i].flags &
375 IEEE80211_CHAN_PASSIVE_SCAN ?
376 "passive only" : "active/passive");
377 }
378 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
379 if (supp_band) {
380 channels = supp_band->channels;
381
382 pos += scnprintf(buf + pos, bufsz - pos,
383 "Displaying %d channels in 5.2GHz band (802.11a)\n",
384 supp_band->n_channels);
385
386 for (i = 0; i < supp_band->n_channels; i++)
387 pos += scnprintf(buf + pos, bufsz - pos,
388 "%d: %ddBm: BSS%s%s, %s.\n",
389 channels[i].hw_value,
390 channels[i].max_power,
391 channels[i].flags & IEEE80211_CHAN_RADAR ?
392 " (IEEE 802.11h required)" : "",
393 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
394 || (channels[i].flags &
395 IEEE80211_CHAN_RADAR)) ? "" :
396 ", IBSS",
397 channels[i].flags &
398 IEEE80211_CHAN_PASSIVE_SCAN ?
399 "passive only" : "active/passive");
400 }
401 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
402 kfree(buf);
403 return ret;
404 }
405
406 static ssize_t iwl_dbgfs_status_read(struct file *file,
407 char __user *user_buf,
408 size_t count, loff_t *ppos) {
409
410 struct iwl_priv *priv = file->private_data;
411 char buf[512];
412 int pos = 0;
413 const size_t bufsz = sizeof(buf);
414
415 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
416 test_bit(STATUS_RF_KILL_HW, &priv->status));
417 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n",
418 test_bit(STATUS_CT_KILL, &priv->status));
419 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
420 test_bit(STATUS_ALIVE, &priv->status));
421 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
422 test_bit(STATUS_READY, &priv->status));
423 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
424 test_bit(STATUS_EXIT_PENDING, &priv->status));
425 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
426 test_bit(STATUS_STATISTICS, &priv->status));
427 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
428 test_bit(STATUS_SCANNING, &priv->status));
429 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
430 test_bit(STATUS_SCAN_ABORTING, &priv->status));
431 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
432 test_bit(STATUS_SCAN_HW, &priv->status));
433 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
434 test_bit(STATUS_POWER_PMI, &priv->status));
435 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
436 test_bit(STATUS_FW_ERROR, &priv->status));
437 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
438 }
439
440 static ssize_t iwl_dbgfs_rx_handlers_read(struct file *file,
441 char __user *user_buf,
442 size_t count, loff_t *ppos) {
443
444 struct iwl_priv *priv = file->private_data;
445
446 int pos = 0;
447 int cnt = 0;
448 char *buf;
449 int bufsz = 24 * 64; /* 24 items * 64 char per item */
450 ssize_t ret;
451
452 buf = kzalloc(bufsz, GFP_KERNEL);
453 if (!buf)
454 return -ENOMEM;
455
456 for (cnt = 0; cnt < REPLY_MAX; cnt++) {
457 if (priv->rx_handlers_stats[cnt] > 0)
458 pos += scnprintf(buf + pos, bufsz - pos,
459 "\tRx handler[%36s]:\t\t %u\n",
460 iwl_dvm_get_cmd_string(cnt),
461 priv->rx_handlers_stats[cnt]);
462 }
463
464 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
465 kfree(buf);
466 return ret;
467 }
468
469 static ssize_t iwl_dbgfs_rx_handlers_write(struct file *file,
470 const char __user *user_buf,
471 size_t count, loff_t *ppos)
472 {
473 struct iwl_priv *priv = file->private_data;
474
475 char buf[8];
476 int buf_size;
477 u32 reset_flag;
478
479 memset(buf, 0, sizeof(buf));
480 buf_size = min(count, sizeof(buf) - 1);
481 if (copy_from_user(buf, user_buf, buf_size))
482 return -EFAULT;
483 if (sscanf(buf, "%x", &reset_flag) != 1)
484 return -EFAULT;
485 if (reset_flag == 0)
486 memset(&priv->rx_handlers_stats[0], 0,
487 sizeof(priv->rx_handlers_stats));
488
489 return count;
490 }
491
492 static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
493 size_t count, loff_t *ppos)
494 {
495 struct iwl_priv *priv = file->private_data;
496 struct iwl_rxon_context *ctx;
497 int pos = 0, i;
498 char buf[256 * NUM_IWL_RXON_CTX];
499 const size_t bufsz = sizeof(buf);
500
501 for_each_context(priv, ctx) {
502 pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n",
503 ctx->ctxid);
504 for (i = 0; i < AC_NUM; i++) {
505 pos += scnprintf(buf + pos, bufsz - pos,
506 "\tcw_min\tcw_max\taifsn\ttxop\n");
507 pos += scnprintf(buf + pos, bufsz - pos,
508 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
509 ctx->qos_data.def_qos_parm.ac[i].cw_min,
510 ctx->qos_data.def_qos_parm.ac[i].cw_max,
511 ctx->qos_data.def_qos_parm.ac[i].aifsn,
512 ctx->qos_data.def_qos_parm.ac[i].edca_txop);
513 }
514 pos += scnprintf(buf + pos, bufsz - pos, "\n");
515 }
516 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
517 }
518
519 static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
520 char __user *user_buf,
521 size_t count, loff_t *ppos)
522 {
523 struct iwl_priv *priv = file->private_data;
524 struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
525 struct iwl_tt_restriction *restriction;
526 char buf[100];
527 int pos = 0;
528 const size_t bufsz = sizeof(buf);
529
530 pos += scnprintf(buf + pos, bufsz - pos,
531 "Thermal Throttling Mode: %s\n",
532 tt->advanced_tt ? "Advance" : "Legacy");
533 pos += scnprintf(buf + pos, bufsz - pos,
534 "Thermal Throttling State: %d\n",
535 tt->state);
536 if (tt->advanced_tt) {
537 restriction = tt->restriction + tt->state;
538 pos += scnprintf(buf + pos, bufsz - pos,
539 "Tx mode: %d\n",
540 restriction->tx_stream);
541 pos += scnprintf(buf + pos, bufsz - pos,
542 "Rx mode: %d\n",
543 restriction->rx_stream);
544 pos += scnprintf(buf + pos, bufsz - pos,
545 "HT mode: %d\n",
546 restriction->is_ht);
547 }
548 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
549 }
550
551 static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
552 const char __user *user_buf,
553 size_t count, loff_t *ppos)
554 {
555 struct iwl_priv *priv = file->private_data;
556 char buf[8];
557 int buf_size;
558 int ht40;
559
560 memset(buf, 0, sizeof(buf));
561 buf_size = min(count, sizeof(buf) - 1);
562 if (copy_from_user(buf, user_buf, buf_size))
563 return -EFAULT;
564 if (sscanf(buf, "%d", &ht40) != 1)
565 return -EFAULT;
566 if (!iwl_is_any_associated(priv))
567 priv->disable_ht40 = ht40 ? true : false;
568 else
569 return -EINVAL;
570
571 return count;
572 }
573
574 static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
575 char __user *user_buf,
576 size_t count, loff_t *ppos)
577 {
578 struct iwl_priv *priv = file->private_data;
579 char buf[100];
580 int pos = 0;
581 const size_t bufsz = sizeof(buf);
582
583 pos += scnprintf(buf + pos, bufsz - pos,
584 "11n 40MHz Mode: %s\n",
585 priv->disable_ht40 ? "Disabled" : "Enabled");
586 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
587 }
588
589 static ssize_t iwl_dbgfs_temperature_read(struct file *file,
590 char __user *user_buf,
591 size_t count, loff_t *ppos)
592 {
593 struct iwl_priv *priv = file->private_data;
594 char buf[8];
595 int pos = 0;
596 const size_t bufsz = sizeof(buf);
597
598 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", priv->temperature);
599 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
600 }
601
602
603 static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
604 const char __user *user_buf,
605 size_t count, loff_t *ppos)
606 {
607 struct iwl_priv *priv = file->private_data;
608 char buf[8];
609 int buf_size;
610 int value;
611
612 memset(buf, 0, sizeof(buf));
613 buf_size = min(count, sizeof(buf) - 1);
614 if (copy_from_user(buf, user_buf, buf_size))
615 return -EFAULT;
616
617 if (sscanf(buf, "%d", &value) != 1)
618 return -EINVAL;
619
620 /*
621 * Our users expect 0 to be "CAM", but 0 isn't actually
622 * valid here. However, let's not confuse them and present
623 * IWL_POWER_INDEX_1 as "1", not "0".
624 */
625 if (value == 0)
626 return -EINVAL;
627 else if (value > 0)
628 value -= 1;
629
630 if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
631 return -EINVAL;
632
633 if (!iwl_is_ready_rf(priv))
634 return -EAGAIN;
635
636 priv->power_data.debug_sleep_level_override = value;
637
638 mutex_lock(&priv->mutex);
639 iwl_power_update_mode(priv, true);
640 mutex_unlock(&priv->mutex);
641
642 return count;
643 }
644
645 static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
646 char __user *user_buf,
647 size_t count, loff_t *ppos)
648 {
649 struct iwl_priv *priv = file->private_data;
650 char buf[10];
651 int pos, value;
652 const size_t bufsz = sizeof(buf);
653
654 /* see the write function */
655 value = priv->power_data.debug_sleep_level_override;
656 if (value >= 0)
657 value += 1;
658
659 pos = scnprintf(buf, bufsz, "%d\n", value);
660 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
661 }
662
663 static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
664 char __user *user_buf,
665 size_t count, loff_t *ppos)
666 {
667 struct iwl_priv *priv = file->private_data;
668 char buf[200];
669 int pos = 0, i;
670 const size_t bufsz = sizeof(buf);
671 struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
672
673 pos += scnprintf(buf + pos, bufsz - pos,
674 "flags: %#.2x\n", le16_to_cpu(cmd->flags));
675 pos += scnprintf(buf + pos, bufsz - pos,
676 "RX/TX timeout: %d/%d usec\n",
677 le32_to_cpu(cmd->rx_data_timeout),
678 le32_to_cpu(cmd->tx_data_timeout));
679 for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
680 pos += scnprintf(buf + pos, bufsz - pos,
681 "sleep_interval[%d]: %d\n", i,
682 le32_to_cpu(cmd->sleep_interval[i]));
683
684 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
685 }
686
687 DEBUGFS_READ_WRITE_FILE_OPS(sram);
688 DEBUGFS_READ_FILE_OPS(wowlan_sram);
689 DEBUGFS_READ_FILE_OPS(nvm);
690 DEBUGFS_READ_FILE_OPS(stations);
691 DEBUGFS_READ_FILE_OPS(channels);
692 DEBUGFS_READ_FILE_OPS(status);
693 DEBUGFS_READ_WRITE_FILE_OPS(rx_handlers);
694 DEBUGFS_READ_FILE_OPS(qos);
695 DEBUGFS_READ_FILE_OPS(thermal_throttling);
696 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
697 DEBUGFS_READ_FILE_OPS(temperature);
698 DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
699 DEBUGFS_READ_FILE_OPS(current_sleep_command);
700
701 static const char *fmt_value = " %-30s %10u\n";
702 static const char *fmt_hex = " %-30s 0x%02X\n";
703 static const char *fmt_table = " %-30s %10u %10u %10u %10u\n";
704 static const char *fmt_header =
705 "%-32s current cumulative delta max\n";
706
707 static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz)
708 {
709 int p = 0;
710 u32 flag;
711
712 lockdep_assert_held(&priv->statistics.lock);
713
714 flag = le32_to_cpu(priv->statistics.flag);
715
716 p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", flag);
717 if (flag & UCODE_STATISTICS_CLEAR_MSK)
718 p += scnprintf(buf + p, bufsz - p,
719 "\tStatistics have been cleared\n");
720 p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n",
721 (flag & UCODE_STATISTICS_FREQUENCY_MSK)
722 ? "2.4 GHz" : "5.2 GHz");
723 p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n",
724 (flag & UCODE_STATISTICS_NARROW_BAND_MSK)
725 ? "enabled" : "disabled");
726
727 return p;
728 }
729
730 static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
731 char __user *user_buf,
732 size_t count, loff_t *ppos)
733 {
734 struct iwl_priv *priv = file->private_data;
735 int pos = 0;
736 char *buf;
737 int bufsz = sizeof(struct statistics_rx_phy) * 40 +
738 sizeof(struct statistics_rx_non_phy) * 40 +
739 sizeof(struct statistics_rx_ht_phy) * 40 + 400;
740 ssize_t ret;
741 struct statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm;
742 struct statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck;
743 struct statistics_rx_non_phy *general, *accum_general;
744 struct statistics_rx_non_phy *delta_general, *max_general;
745 struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht;
746
747 if (!iwl_is_alive(priv))
748 return -EAGAIN;
749
750 buf = kzalloc(bufsz, GFP_KERNEL);
751 if (!buf)
752 return -ENOMEM;
753
754 /*
755 * the statistic information display here is based on
756 * the last statistics notification from uCode
757 * might not reflect the current uCode activity
758 */
759 spin_lock_bh(&priv->statistics.lock);
760 ofdm = &priv->statistics.rx_ofdm;
761 cck = &priv->statistics.rx_cck;
762 general = &priv->statistics.rx_non_phy;
763 ht = &priv->statistics.rx_ofdm_ht;
764 accum_ofdm = &priv->accum_stats.rx_ofdm;
765 accum_cck = &priv->accum_stats.rx_cck;
766 accum_general = &priv->accum_stats.rx_non_phy;
767 accum_ht = &priv->accum_stats.rx_ofdm_ht;
768 delta_ofdm = &priv->delta_stats.rx_ofdm;
769 delta_cck = &priv->delta_stats.rx_cck;
770 delta_general = &priv->delta_stats.rx_non_phy;
771 delta_ht = &priv->delta_stats.rx_ofdm_ht;
772 max_ofdm = &priv->max_delta_stats.rx_ofdm;
773 max_cck = &priv->max_delta_stats.rx_cck;
774 max_general = &priv->max_delta_stats.rx_non_phy;
775 max_ht = &priv->max_delta_stats.rx_ofdm_ht;
776
777 pos += iwl_statistics_flag(priv, buf, bufsz);
778 pos += scnprintf(buf + pos, bufsz - pos,
779 fmt_header, "Statistics_Rx - OFDM:");
780 pos += scnprintf(buf + pos, bufsz - pos,
781 fmt_table, "ina_cnt:",
782 le32_to_cpu(ofdm->ina_cnt),
783 accum_ofdm->ina_cnt,
784 delta_ofdm->ina_cnt, max_ofdm->ina_cnt);
785 pos += scnprintf(buf + pos, bufsz - pos,
786 fmt_table, "fina_cnt:",
787 le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt,
788 delta_ofdm->fina_cnt, max_ofdm->fina_cnt);
789 pos += scnprintf(buf + pos, bufsz - pos,
790 fmt_table, "plcp_err:",
791 le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err,
792 delta_ofdm->plcp_err, max_ofdm->plcp_err);
793 pos += scnprintf(buf + pos, bufsz - pos,
794 fmt_table, "crc32_err:",
795 le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err,
796 delta_ofdm->crc32_err, max_ofdm->crc32_err);
797 pos += scnprintf(buf + pos, bufsz - pos,
798 fmt_table, "overrun_err:",
799 le32_to_cpu(ofdm->overrun_err),
800 accum_ofdm->overrun_err, delta_ofdm->overrun_err,
801 max_ofdm->overrun_err);
802 pos += scnprintf(buf + pos, bufsz - pos,
803 fmt_table, "early_overrun_err:",
804 le32_to_cpu(ofdm->early_overrun_err),
805 accum_ofdm->early_overrun_err,
806 delta_ofdm->early_overrun_err,
807 max_ofdm->early_overrun_err);
808 pos += scnprintf(buf + pos, bufsz - pos,
809 fmt_table, "crc32_good:",
810 le32_to_cpu(ofdm->crc32_good),
811 accum_ofdm->crc32_good, delta_ofdm->crc32_good,
812 max_ofdm->crc32_good);
813 pos += scnprintf(buf + pos, bufsz - pos,
814 fmt_table, "false_alarm_cnt:",
815 le32_to_cpu(ofdm->false_alarm_cnt),
816 accum_ofdm->false_alarm_cnt,
817 delta_ofdm->false_alarm_cnt,
818 max_ofdm->false_alarm_cnt);
819 pos += scnprintf(buf + pos, bufsz - pos,
820 fmt_table, "fina_sync_err_cnt:",
821 le32_to_cpu(ofdm->fina_sync_err_cnt),
822 accum_ofdm->fina_sync_err_cnt,
823 delta_ofdm->fina_sync_err_cnt,
824 max_ofdm->fina_sync_err_cnt);
825 pos += scnprintf(buf + pos, bufsz - pos,
826 fmt_table, "sfd_timeout:",
827 le32_to_cpu(ofdm->sfd_timeout),
828 accum_ofdm->sfd_timeout, delta_ofdm->sfd_timeout,
829 max_ofdm->sfd_timeout);
830 pos += scnprintf(buf + pos, bufsz - pos,
831 fmt_table, "fina_timeout:",
832 le32_to_cpu(ofdm->fina_timeout),
833 accum_ofdm->fina_timeout, delta_ofdm->fina_timeout,
834 max_ofdm->fina_timeout);
835 pos += scnprintf(buf + pos, bufsz - pos,
836 fmt_table, "unresponded_rts:",
837 le32_to_cpu(ofdm->unresponded_rts),
838 accum_ofdm->unresponded_rts,
839 delta_ofdm->unresponded_rts,
840 max_ofdm->unresponded_rts);
841 pos += scnprintf(buf + pos, bufsz - pos,
842 fmt_table, "rxe_frame_lmt_ovrun:",
843 le32_to_cpu(ofdm->rxe_frame_limit_overrun),
844 accum_ofdm->rxe_frame_limit_overrun,
845 delta_ofdm->rxe_frame_limit_overrun,
846 max_ofdm->rxe_frame_limit_overrun);
847 pos += scnprintf(buf + pos, bufsz - pos,
848 fmt_table, "sent_ack_cnt:",
849 le32_to_cpu(ofdm->sent_ack_cnt),
850 accum_ofdm->sent_ack_cnt, delta_ofdm->sent_ack_cnt,
851 max_ofdm->sent_ack_cnt);
852 pos += scnprintf(buf + pos, bufsz - pos,
853 fmt_table, "sent_cts_cnt:",
854 le32_to_cpu(ofdm->sent_cts_cnt),
855 accum_ofdm->sent_cts_cnt, delta_ofdm->sent_cts_cnt,
856 max_ofdm->sent_cts_cnt);
857 pos += scnprintf(buf + pos, bufsz - pos,
858 fmt_table, "sent_ba_rsp_cnt:",
859 le32_to_cpu(ofdm->sent_ba_rsp_cnt),
860 accum_ofdm->sent_ba_rsp_cnt,
861 delta_ofdm->sent_ba_rsp_cnt,
862 max_ofdm->sent_ba_rsp_cnt);
863 pos += scnprintf(buf + pos, bufsz - pos,
864 fmt_table, "dsp_self_kill:",
865 le32_to_cpu(ofdm->dsp_self_kill),
866 accum_ofdm->dsp_self_kill,
867 delta_ofdm->dsp_self_kill,
868 max_ofdm->dsp_self_kill);
869 pos += scnprintf(buf + pos, bufsz - pos,
870 fmt_table, "mh_format_err:",
871 le32_to_cpu(ofdm->mh_format_err),
872 accum_ofdm->mh_format_err,
873 delta_ofdm->mh_format_err,
874 max_ofdm->mh_format_err);
875 pos += scnprintf(buf + pos, bufsz - pos,
876 fmt_table, "re_acq_main_rssi_sum:",
877 le32_to_cpu(ofdm->re_acq_main_rssi_sum),
878 accum_ofdm->re_acq_main_rssi_sum,
879 delta_ofdm->re_acq_main_rssi_sum,
880 max_ofdm->re_acq_main_rssi_sum);
881
882 pos += scnprintf(buf + pos, bufsz - pos,
883 fmt_header, "Statistics_Rx - CCK:");
884 pos += scnprintf(buf + pos, bufsz - pos,
885 fmt_table, "ina_cnt:",
886 le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt,
887 delta_cck->ina_cnt, max_cck->ina_cnt);
888 pos += scnprintf(buf + pos, bufsz - pos,
889 fmt_table, "fina_cnt:",
890 le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt,
891 delta_cck->fina_cnt, max_cck->fina_cnt);
892 pos += scnprintf(buf + pos, bufsz - pos,
893 fmt_table, "plcp_err:",
894 le32_to_cpu(cck->plcp_err), accum_cck->plcp_err,
895 delta_cck->plcp_err, max_cck->plcp_err);
896 pos += scnprintf(buf + pos, bufsz - pos,
897 fmt_table, "crc32_err:",
898 le32_to_cpu(cck->crc32_err), accum_cck->crc32_err,
899 delta_cck->crc32_err, max_cck->crc32_err);
900 pos += scnprintf(buf + pos, bufsz - pos,
901 fmt_table, "overrun_err:",
902 le32_to_cpu(cck->overrun_err),
903 accum_cck->overrun_err, delta_cck->overrun_err,
904 max_cck->overrun_err);
905 pos += scnprintf(buf + pos, bufsz - pos,
906 fmt_table, "early_overrun_err:",
907 le32_to_cpu(cck->early_overrun_err),
908 accum_cck->early_overrun_err,
909 delta_cck->early_overrun_err,
910 max_cck->early_overrun_err);
911 pos += scnprintf(buf + pos, bufsz - pos,
912 fmt_table, "crc32_good:",
913 le32_to_cpu(cck->crc32_good), accum_cck->crc32_good,
914 delta_cck->crc32_good, max_cck->crc32_good);
915 pos += scnprintf(buf + pos, bufsz - pos,
916 fmt_table, "false_alarm_cnt:",
917 le32_to_cpu(cck->false_alarm_cnt),
918 accum_cck->false_alarm_cnt,
919 delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt);
920 pos += scnprintf(buf + pos, bufsz - pos,
921 fmt_table, "fina_sync_err_cnt:",
922 le32_to_cpu(cck->fina_sync_err_cnt),
923 accum_cck->fina_sync_err_cnt,
924 delta_cck->fina_sync_err_cnt,
925 max_cck->fina_sync_err_cnt);
926 pos += scnprintf(buf + pos, bufsz - pos,
927 fmt_table, "sfd_timeout:",
928 le32_to_cpu(cck->sfd_timeout),
929 accum_cck->sfd_timeout, delta_cck->sfd_timeout,
930 max_cck->sfd_timeout);
931 pos += scnprintf(buf + pos, bufsz - pos,
932 fmt_table, "fina_timeout:",
933 le32_to_cpu(cck->fina_timeout),
934 accum_cck->fina_timeout, delta_cck->fina_timeout,
935 max_cck->fina_timeout);
936 pos += scnprintf(buf + pos, bufsz - pos,
937 fmt_table, "unresponded_rts:",
938 le32_to_cpu(cck->unresponded_rts),
939 accum_cck->unresponded_rts, delta_cck->unresponded_rts,
940 max_cck->unresponded_rts);
941 pos += scnprintf(buf + pos, bufsz - pos,
942 fmt_table, "rxe_frame_lmt_ovrun:",
943 le32_to_cpu(cck->rxe_frame_limit_overrun),
944 accum_cck->rxe_frame_limit_overrun,
945 delta_cck->rxe_frame_limit_overrun,
946 max_cck->rxe_frame_limit_overrun);
947 pos += scnprintf(buf + pos, bufsz - pos,
948 fmt_table, "sent_ack_cnt:",
949 le32_to_cpu(cck->sent_ack_cnt),
950 accum_cck->sent_ack_cnt, delta_cck->sent_ack_cnt,
951 max_cck->sent_ack_cnt);
952 pos += scnprintf(buf + pos, bufsz - pos,
953 fmt_table, "sent_cts_cnt:",
954 le32_to_cpu(cck->sent_cts_cnt),
955 accum_cck->sent_cts_cnt, delta_cck->sent_cts_cnt,
956 max_cck->sent_cts_cnt);
957 pos += scnprintf(buf + pos, bufsz - pos,
958 fmt_table, "sent_ba_rsp_cnt:",
959 le32_to_cpu(cck->sent_ba_rsp_cnt),
960 accum_cck->sent_ba_rsp_cnt,
961 delta_cck->sent_ba_rsp_cnt,
962 max_cck->sent_ba_rsp_cnt);
963 pos += scnprintf(buf + pos, bufsz - pos,
964 fmt_table, "dsp_self_kill:",
965 le32_to_cpu(cck->dsp_self_kill),
966 accum_cck->dsp_self_kill, delta_cck->dsp_self_kill,
967 max_cck->dsp_self_kill);
968 pos += scnprintf(buf + pos, bufsz - pos,
969 fmt_table, "mh_format_err:",
970 le32_to_cpu(cck->mh_format_err),
971 accum_cck->mh_format_err, delta_cck->mh_format_err,
972 max_cck->mh_format_err);
973 pos += scnprintf(buf + pos, bufsz - pos,
974 fmt_table, "re_acq_main_rssi_sum:",
975 le32_to_cpu(cck->re_acq_main_rssi_sum),
976 accum_cck->re_acq_main_rssi_sum,
977 delta_cck->re_acq_main_rssi_sum,
978 max_cck->re_acq_main_rssi_sum);
979
980 pos += scnprintf(buf + pos, bufsz - pos,
981 fmt_header, "Statistics_Rx - GENERAL:");
982 pos += scnprintf(buf + pos, bufsz - pos,
983 fmt_table, "bogus_cts:",
984 le32_to_cpu(general->bogus_cts),
985 accum_general->bogus_cts, delta_general->bogus_cts,
986 max_general->bogus_cts);
987 pos += scnprintf(buf + pos, bufsz - pos,
988 fmt_table, "bogus_ack:",
989 le32_to_cpu(general->bogus_ack),
990 accum_general->bogus_ack, delta_general->bogus_ack,
991 max_general->bogus_ack);
992 pos += scnprintf(buf + pos, bufsz - pos,
993 fmt_table, "non_bssid_frames:",
994 le32_to_cpu(general->non_bssid_frames),
995 accum_general->non_bssid_frames,
996 delta_general->non_bssid_frames,
997 max_general->non_bssid_frames);
998 pos += scnprintf(buf + pos, bufsz - pos,
999 fmt_table, "filtered_frames:",
1000 le32_to_cpu(general->filtered_frames),
1001 accum_general->filtered_frames,
1002 delta_general->filtered_frames,
1003 max_general->filtered_frames);
1004 pos += scnprintf(buf + pos, bufsz - pos,
1005 fmt_table, "non_channel_beacons:",
1006 le32_to_cpu(general->non_channel_beacons),
1007 accum_general->non_channel_beacons,
1008 delta_general->non_channel_beacons,
1009 max_general->non_channel_beacons);
1010 pos += scnprintf(buf + pos, bufsz - pos,
1011 fmt_table, "channel_beacons:",
1012 le32_to_cpu(general->channel_beacons),
1013 accum_general->channel_beacons,
1014 delta_general->channel_beacons,
1015 max_general->channel_beacons);
1016 pos += scnprintf(buf + pos, bufsz - pos,
1017 fmt_table, "num_missed_bcon:",
1018 le32_to_cpu(general->num_missed_bcon),
1019 accum_general->num_missed_bcon,
1020 delta_general->num_missed_bcon,
1021 max_general->num_missed_bcon);
1022 pos += scnprintf(buf + pos, bufsz - pos,
1023 fmt_table, "adc_rx_saturation_time:",
1024 le32_to_cpu(general->adc_rx_saturation_time),
1025 accum_general->adc_rx_saturation_time,
1026 delta_general->adc_rx_saturation_time,
1027 max_general->adc_rx_saturation_time);
1028 pos += scnprintf(buf + pos, bufsz - pos,
1029 fmt_table, "ina_detect_search_tm:",
1030 le32_to_cpu(general->ina_detection_search_time),
1031 accum_general->ina_detection_search_time,
1032 delta_general->ina_detection_search_time,
1033 max_general->ina_detection_search_time);
1034 pos += scnprintf(buf + pos, bufsz - pos,
1035 fmt_table, "beacon_silence_rssi_a:",
1036 le32_to_cpu(general->beacon_silence_rssi_a),
1037 accum_general->beacon_silence_rssi_a,
1038 delta_general->beacon_silence_rssi_a,
1039 max_general->beacon_silence_rssi_a);
1040 pos += scnprintf(buf + pos, bufsz - pos,
1041 fmt_table, "beacon_silence_rssi_b:",
1042 le32_to_cpu(general->beacon_silence_rssi_b),
1043 accum_general->beacon_silence_rssi_b,
1044 delta_general->beacon_silence_rssi_b,
1045 max_general->beacon_silence_rssi_b);
1046 pos += scnprintf(buf + pos, bufsz - pos,
1047 fmt_table, "beacon_silence_rssi_c:",
1048 le32_to_cpu(general->beacon_silence_rssi_c),
1049 accum_general->beacon_silence_rssi_c,
1050 delta_general->beacon_silence_rssi_c,
1051 max_general->beacon_silence_rssi_c);
1052 pos += scnprintf(buf + pos, bufsz - pos,
1053 fmt_table, "interference_data_flag:",
1054 le32_to_cpu(general->interference_data_flag),
1055 accum_general->interference_data_flag,
1056 delta_general->interference_data_flag,
1057 max_general->interference_data_flag);
1058 pos += scnprintf(buf + pos, bufsz - pos,
1059 fmt_table, "channel_load:",
1060 le32_to_cpu(general->channel_load),
1061 accum_general->channel_load,
1062 delta_general->channel_load,
1063 max_general->channel_load);
1064 pos += scnprintf(buf + pos, bufsz - pos,
1065 fmt_table, "dsp_false_alarms:",
1066 le32_to_cpu(general->dsp_false_alarms),
1067 accum_general->dsp_false_alarms,
1068 delta_general->dsp_false_alarms,
1069 max_general->dsp_false_alarms);
1070 pos += scnprintf(buf + pos, bufsz - pos,
1071 fmt_table, "beacon_rssi_a:",
1072 le32_to_cpu(general->beacon_rssi_a),
1073 accum_general->beacon_rssi_a,
1074 delta_general->beacon_rssi_a,
1075 max_general->beacon_rssi_a);
1076 pos += scnprintf(buf + pos, bufsz - pos,
1077 fmt_table, "beacon_rssi_b:",
1078 le32_to_cpu(general->beacon_rssi_b),
1079 accum_general->beacon_rssi_b,
1080 delta_general->beacon_rssi_b,
1081 max_general->beacon_rssi_b);
1082 pos += scnprintf(buf + pos, bufsz - pos,
1083 fmt_table, "beacon_rssi_c:",
1084 le32_to_cpu(general->beacon_rssi_c),
1085 accum_general->beacon_rssi_c,
1086 delta_general->beacon_rssi_c,
1087 max_general->beacon_rssi_c);
1088 pos += scnprintf(buf + pos, bufsz - pos,
1089 fmt_table, "beacon_energy_a:",
1090 le32_to_cpu(general->beacon_energy_a),
1091 accum_general->beacon_energy_a,
1092 delta_general->beacon_energy_a,
1093 max_general->beacon_energy_a);
1094 pos += scnprintf(buf + pos, bufsz - pos,
1095 fmt_table, "beacon_energy_b:",
1096 le32_to_cpu(general->beacon_energy_b),
1097 accum_general->beacon_energy_b,
1098 delta_general->beacon_energy_b,
1099 max_general->beacon_energy_b);
1100 pos += scnprintf(buf + pos, bufsz - pos,
1101 fmt_table, "beacon_energy_c:",
1102 le32_to_cpu(general->beacon_energy_c),
1103 accum_general->beacon_energy_c,
1104 delta_general->beacon_energy_c,
1105 max_general->beacon_energy_c);
1106
1107 pos += scnprintf(buf + pos, bufsz - pos,
1108 fmt_header, "Statistics_Rx - OFDM_HT:");
1109 pos += scnprintf(buf + pos, bufsz - pos,
1110 fmt_table, "plcp_err:",
1111 le32_to_cpu(ht->plcp_err), accum_ht->plcp_err,
1112 delta_ht->plcp_err, max_ht->plcp_err);
1113 pos += scnprintf(buf + pos, bufsz - pos,
1114 fmt_table, "overrun_err:",
1115 le32_to_cpu(ht->overrun_err), accum_ht->overrun_err,
1116 delta_ht->overrun_err, max_ht->overrun_err);
1117 pos += scnprintf(buf + pos, bufsz - pos,
1118 fmt_table, "early_overrun_err:",
1119 le32_to_cpu(ht->early_overrun_err),
1120 accum_ht->early_overrun_err,
1121 delta_ht->early_overrun_err,
1122 max_ht->early_overrun_err);
1123 pos += scnprintf(buf + pos, bufsz - pos,
1124 fmt_table, "crc32_good:",
1125 le32_to_cpu(ht->crc32_good), accum_ht->crc32_good,
1126 delta_ht->crc32_good, max_ht->crc32_good);
1127 pos += scnprintf(buf + pos, bufsz - pos,
1128 fmt_table, "crc32_err:",
1129 le32_to_cpu(ht->crc32_err), accum_ht->crc32_err,
1130 delta_ht->crc32_err, max_ht->crc32_err);
1131 pos += scnprintf(buf + pos, bufsz - pos,
1132 fmt_table, "mh_format_err:",
1133 le32_to_cpu(ht->mh_format_err),
1134 accum_ht->mh_format_err,
1135 delta_ht->mh_format_err, max_ht->mh_format_err);
1136 pos += scnprintf(buf + pos, bufsz - pos,
1137 fmt_table, "agg_crc32_good:",
1138 le32_to_cpu(ht->agg_crc32_good),
1139 accum_ht->agg_crc32_good,
1140 delta_ht->agg_crc32_good, max_ht->agg_crc32_good);
1141 pos += scnprintf(buf + pos, bufsz - pos,
1142 fmt_table, "agg_mpdu_cnt:",
1143 le32_to_cpu(ht->agg_mpdu_cnt),
1144 accum_ht->agg_mpdu_cnt,
1145 delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt);
1146 pos += scnprintf(buf + pos, bufsz - pos,
1147 fmt_table, "agg_cnt:",
1148 le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt,
1149 delta_ht->agg_cnt, max_ht->agg_cnt);
1150 pos += scnprintf(buf + pos, bufsz - pos,
1151 fmt_table, "unsupport_mcs:",
1152 le32_to_cpu(ht->unsupport_mcs),
1153 accum_ht->unsupport_mcs,
1154 delta_ht->unsupport_mcs, max_ht->unsupport_mcs);
1155
1156 spin_unlock_bh(&priv->statistics.lock);
1157
1158 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1159 kfree(buf);
1160 return ret;
1161 }
1162
1163 static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
1164 char __user *user_buf,
1165 size_t count, loff_t *ppos)
1166 {
1167 struct iwl_priv *priv = file->private_data;
1168 int pos = 0;
1169 char *buf;
1170 int bufsz = (sizeof(struct statistics_tx) * 48) + 250;
1171 ssize_t ret;
1172 struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx;
1173
1174 if (!iwl_is_alive(priv))
1175 return -EAGAIN;
1176
1177 buf = kzalloc(bufsz, GFP_KERNEL);
1178 if (!buf)
1179 return -ENOMEM;
1180
1181 /* the statistic information display here is based on
1182 * the last statistics notification from uCode
1183 * might not reflect the current uCode activity
1184 */
1185 spin_lock_bh(&priv->statistics.lock);
1186
1187 tx = &priv->statistics.tx;
1188 accum_tx = &priv->accum_stats.tx;
1189 delta_tx = &priv->delta_stats.tx;
1190 max_tx = &priv->max_delta_stats.tx;
1191
1192 pos += iwl_statistics_flag(priv, buf, bufsz);
1193 pos += scnprintf(buf + pos, bufsz - pos,
1194 fmt_header, "Statistics_Tx:");
1195 pos += scnprintf(buf + pos, bufsz - pos,
1196 fmt_table, "preamble:",
1197 le32_to_cpu(tx->preamble_cnt),
1198 accum_tx->preamble_cnt,
1199 delta_tx->preamble_cnt, max_tx->preamble_cnt);
1200 pos += scnprintf(buf + pos, bufsz - pos,
1201 fmt_table, "rx_detected_cnt:",
1202 le32_to_cpu(tx->rx_detected_cnt),
1203 accum_tx->rx_detected_cnt,
1204 delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt);
1205 pos += scnprintf(buf + pos, bufsz - pos,
1206 fmt_table, "bt_prio_defer_cnt:",
1207 le32_to_cpu(tx->bt_prio_defer_cnt),
1208 accum_tx->bt_prio_defer_cnt,
1209 delta_tx->bt_prio_defer_cnt,
1210 max_tx->bt_prio_defer_cnt);
1211 pos += scnprintf(buf + pos, bufsz - pos,
1212 fmt_table, "bt_prio_kill_cnt:",
1213 le32_to_cpu(tx->bt_prio_kill_cnt),
1214 accum_tx->bt_prio_kill_cnt,
1215 delta_tx->bt_prio_kill_cnt,
1216 max_tx->bt_prio_kill_cnt);
1217 pos += scnprintf(buf + pos, bufsz - pos,
1218 fmt_table, "few_bytes_cnt:",
1219 le32_to_cpu(tx->few_bytes_cnt),
1220 accum_tx->few_bytes_cnt,
1221 delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt);
1222 pos += scnprintf(buf + pos, bufsz - pos,
1223 fmt_table, "cts_timeout:",
1224 le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout,
1225 delta_tx->cts_timeout, max_tx->cts_timeout);
1226 pos += scnprintf(buf + pos, bufsz - pos,
1227 fmt_table, "ack_timeout:",
1228 le32_to_cpu(tx->ack_timeout),
1229 accum_tx->ack_timeout,
1230 delta_tx->ack_timeout, max_tx->ack_timeout);
1231 pos += scnprintf(buf + pos, bufsz - pos,
1232 fmt_table, "expected_ack_cnt:",
1233 le32_to_cpu(tx->expected_ack_cnt),
1234 accum_tx->expected_ack_cnt,
1235 delta_tx->expected_ack_cnt,
1236 max_tx->expected_ack_cnt);
1237 pos += scnprintf(buf + pos, bufsz - pos,
1238 fmt_table, "actual_ack_cnt:",
1239 le32_to_cpu(tx->actual_ack_cnt),
1240 accum_tx->actual_ack_cnt,
1241 delta_tx->actual_ack_cnt,
1242 max_tx->actual_ack_cnt);
1243 pos += scnprintf(buf + pos, bufsz - pos,
1244 fmt_table, "dump_msdu_cnt:",
1245 le32_to_cpu(tx->dump_msdu_cnt),
1246 accum_tx->dump_msdu_cnt,
1247 delta_tx->dump_msdu_cnt,
1248 max_tx->dump_msdu_cnt);
1249 pos += scnprintf(buf + pos, bufsz - pos,
1250 fmt_table, "abort_nxt_frame_mismatch:",
1251 le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt),
1252 accum_tx->burst_abort_next_frame_mismatch_cnt,
1253 delta_tx->burst_abort_next_frame_mismatch_cnt,
1254 max_tx->burst_abort_next_frame_mismatch_cnt);
1255 pos += scnprintf(buf + pos, bufsz - pos,
1256 fmt_table, "abort_missing_nxt_frame:",
1257 le32_to_cpu(tx->burst_abort_missing_next_frame_cnt),
1258 accum_tx->burst_abort_missing_next_frame_cnt,
1259 delta_tx->burst_abort_missing_next_frame_cnt,
1260 max_tx->burst_abort_missing_next_frame_cnt);
1261 pos += scnprintf(buf + pos, bufsz - pos,
1262 fmt_table, "cts_timeout_collision:",
1263 le32_to_cpu(tx->cts_timeout_collision),
1264 accum_tx->cts_timeout_collision,
1265 delta_tx->cts_timeout_collision,
1266 max_tx->cts_timeout_collision);
1267 pos += scnprintf(buf + pos, bufsz - pos,
1268 fmt_table, "ack_ba_timeout_collision:",
1269 le32_to_cpu(tx->ack_or_ba_timeout_collision),
1270 accum_tx->ack_or_ba_timeout_collision,
1271 delta_tx->ack_or_ba_timeout_collision,
1272 max_tx->ack_or_ba_timeout_collision);
1273 pos += scnprintf(buf + pos, bufsz - pos,
1274 fmt_table, "agg ba_timeout:",
1275 le32_to_cpu(tx->agg.ba_timeout),
1276 accum_tx->agg.ba_timeout,
1277 delta_tx->agg.ba_timeout,
1278 max_tx->agg.ba_timeout);
1279 pos += scnprintf(buf + pos, bufsz - pos,
1280 fmt_table, "agg ba_resched_frames:",
1281 le32_to_cpu(tx->agg.ba_reschedule_frames),
1282 accum_tx->agg.ba_reschedule_frames,
1283 delta_tx->agg.ba_reschedule_frames,
1284 max_tx->agg.ba_reschedule_frames);
1285 pos += scnprintf(buf + pos, bufsz - pos,
1286 fmt_table, "agg scd_query_agg_frame:",
1287 le32_to_cpu(tx->agg.scd_query_agg_frame_cnt),
1288 accum_tx->agg.scd_query_agg_frame_cnt,
1289 delta_tx->agg.scd_query_agg_frame_cnt,
1290 max_tx->agg.scd_query_agg_frame_cnt);
1291 pos += scnprintf(buf + pos, bufsz - pos,
1292 fmt_table, "agg scd_query_no_agg:",
1293 le32_to_cpu(tx->agg.scd_query_no_agg),
1294 accum_tx->agg.scd_query_no_agg,
1295 delta_tx->agg.scd_query_no_agg,
1296 max_tx->agg.scd_query_no_agg);
1297 pos += scnprintf(buf + pos, bufsz - pos,
1298 fmt_table, "agg scd_query_agg:",
1299 le32_to_cpu(tx->agg.scd_query_agg),
1300 accum_tx->agg.scd_query_agg,
1301 delta_tx->agg.scd_query_agg,
1302 max_tx->agg.scd_query_agg);
1303 pos += scnprintf(buf + pos, bufsz - pos,
1304 fmt_table, "agg scd_query_mismatch:",
1305 le32_to_cpu(tx->agg.scd_query_mismatch),
1306 accum_tx->agg.scd_query_mismatch,
1307 delta_tx->agg.scd_query_mismatch,
1308 max_tx->agg.scd_query_mismatch);
1309 pos += scnprintf(buf + pos, bufsz - pos,
1310 fmt_table, "agg frame_not_ready:",
1311 le32_to_cpu(tx->agg.frame_not_ready),
1312 accum_tx->agg.frame_not_ready,
1313 delta_tx->agg.frame_not_ready,
1314 max_tx->agg.frame_not_ready);
1315 pos += scnprintf(buf + pos, bufsz - pos,
1316 fmt_table, "agg underrun:",
1317 le32_to_cpu(tx->agg.underrun),
1318 accum_tx->agg.underrun,
1319 delta_tx->agg.underrun, max_tx->agg.underrun);
1320 pos += scnprintf(buf + pos, bufsz - pos,
1321 fmt_table, "agg bt_prio_kill:",
1322 le32_to_cpu(tx->agg.bt_prio_kill),
1323 accum_tx->agg.bt_prio_kill,
1324 delta_tx->agg.bt_prio_kill,
1325 max_tx->agg.bt_prio_kill);
1326 pos += scnprintf(buf + pos, bufsz - pos,
1327 fmt_table, "agg rx_ba_rsp_cnt:",
1328 le32_to_cpu(tx->agg.rx_ba_rsp_cnt),
1329 accum_tx->agg.rx_ba_rsp_cnt,
1330 delta_tx->agg.rx_ba_rsp_cnt,
1331 max_tx->agg.rx_ba_rsp_cnt);
1332
1333 if (tx->tx_power.ant_a || tx->tx_power.ant_b || tx->tx_power.ant_c) {
1334 pos += scnprintf(buf + pos, bufsz - pos,
1335 "tx power: (1/2 dB step)\n");
1336 if ((priv->nvm_data->valid_tx_ant & ANT_A) &&
1337 tx->tx_power.ant_a)
1338 pos += scnprintf(buf + pos, bufsz - pos,
1339 fmt_hex, "antenna A:",
1340 tx->tx_power.ant_a);
1341 if ((priv->nvm_data->valid_tx_ant & ANT_B) &&
1342 tx->tx_power.ant_b)
1343 pos += scnprintf(buf + pos, bufsz - pos,
1344 fmt_hex, "antenna B:",
1345 tx->tx_power.ant_b);
1346 if ((priv->nvm_data->valid_tx_ant & ANT_C) &&
1347 tx->tx_power.ant_c)
1348 pos += scnprintf(buf + pos, bufsz - pos,
1349 fmt_hex, "antenna C:",
1350 tx->tx_power.ant_c);
1351 }
1352
1353 spin_unlock_bh(&priv->statistics.lock);
1354
1355 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1356 kfree(buf);
1357 return ret;
1358 }
1359
1360 static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1361 char __user *user_buf,
1362 size_t count, loff_t *ppos)
1363 {
1364 struct iwl_priv *priv = file->private_data;
1365 int pos = 0;
1366 char *buf;
1367 int bufsz = sizeof(struct statistics_general) * 10 + 300;
1368 ssize_t ret;
1369 struct statistics_general_common *general, *accum_general;
1370 struct statistics_general_common *delta_general, *max_general;
1371 struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg;
1372 struct statistics_div *div, *accum_div, *delta_div, *max_div;
1373
1374 if (!iwl_is_alive(priv))
1375 return -EAGAIN;
1376
1377 buf = kzalloc(bufsz, GFP_KERNEL);
1378 if (!buf)
1379 return -ENOMEM;
1380
1381 /* the statistic information display here is based on
1382 * the last statistics notification from uCode
1383 * might not reflect the current uCode activity
1384 */
1385
1386 spin_lock_bh(&priv->statistics.lock);
1387
1388 general = &priv->statistics.common;
1389 dbg = &priv->statistics.common.dbg;
1390 div = &priv->statistics.common.div;
1391 accum_general = &priv->accum_stats.common;
1392 accum_dbg = &priv->accum_stats.common.dbg;
1393 accum_div = &priv->accum_stats.common.div;
1394 delta_general = &priv->delta_stats.common;
1395 max_general = &priv->max_delta_stats.common;
1396 delta_dbg = &priv->delta_stats.common.dbg;
1397 max_dbg = &priv->max_delta_stats.common.dbg;
1398 delta_div = &priv->delta_stats.common.div;
1399 max_div = &priv->max_delta_stats.common.div;
1400
1401 pos += iwl_statistics_flag(priv, buf, bufsz);
1402 pos += scnprintf(buf + pos, bufsz - pos,
1403 fmt_header, "Statistics_General:");
1404 pos += scnprintf(buf + pos, bufsz - pos,
1405 fmt_value, "temperature:",
1406 le32_to_cpu(general->temperature));
1407 pos += scnprintf(buf + pos, bufsz - pos,
1408 fmt_value, "temperature_m:",
1409 le32_to_cpu(general->temperature_m));
1410 pos += scnprintf(buf + pos, bufsz - pos,
1411 fmt_value, "ttl_timestamp:",
1412 le32_to_cpu(general->ttl_timestamp));
1413 pos += scnprintf(buf + pos, bufsz - pos,
1414 fmt_table, "burst_check:",
1415 le32_to_cpu(dbg->burst_check),
1416 accum_dbg->burst_check,
1417 delta_dbg->burst_check, max_dbg->burst_check);
1418 pos += scnprintf(buf + pos, bufsz - pos,
1419 fmt_table, "burst_count:",
1420 le32_to_cpu(dbg->burst_count),
1421 accum_dbg->burst_count,
1422 delta_dbg->burst_count, max_dbg->burst_count);
1423 pos += scnprintf(buf + pos, bufsz - pos,
1424 fmt_table, "wait_for_silence_timeout_count:",
1425 le32_to_cpu(dbg->wait_for_silence_timeout_cnt),
1426 accum_dbg->wait_for_silence_timeout_cnt,
1427 delta_dbg->wait_for_silence_timeout_cnt,
1428 max_dbg->wait_for_silence_timeout_cnt);
1429 pos += scnprintf(buf + pos, bufsz - pos,
1430 fmt_table, "sleep_time:",
1431 le32_to_cpu(general->sleep_time),
1432 accum_general->sleep_time,
1433 delta_general->sleep_time, max_general->sleep_time);
1434 pos += scnprintf(buf + pos, bufsz - pos,
1435 fmt_table, "slots_out:",
1436 le32_to_cpu(general->slots_out),
1437 accum_general->slots_out,
1438 delta_general->slots_out, max_general->slots_out);
1439 pos += scnprintf(buf + pos, bufsz - pos,
1440 fmt_table, "slots_idle:",
1441 le32_to_cpu(general->slots_idle),
1442 accum_general->slots_idle,
1443 delta_general->slots_idle, max_general->slots_idle);
1444 pos += scnprintf(buf + pos, bufsz - pos,
1445 fmt_table, "tx_on_a:",
1446 le32_to_cpu(div->tx_on_a), accum_div->tx_on_a,
1447 delta_div->tx_on_a, max_div->tx_on_a);
1448 pos += scnprintf(buf + pos, bufsz - pos,
1449 fmt_table, "tx_on_b:",
1450 le32_to_cpu(div->tx_on_b), accum_div->tx_on_b,
1451 delta_div->tx_on_b, max_div->tx_on_b);
1452 pos += scnprintf(buf + pos, bufsz - pos,
1453 fmt_table, "exec_time:",
1454 le32_to_cpu(div->exec_time), accum_div->exec_time,
1455 delta_div->exec_time, max_div->exec_time);
1456 pos += scnprintf(buf + pos, bufsz - pos,
1457 fmt_table, "probe_time:",
1458 le32_to_cpu(div->probe_time), accum_div->probe_time,
1459 delta_div->probe_time, max_div->probe_time);
1460 pos += scnprintf(buf + pos, bufsz - pos,
1461 fmt_table, "rx_enable_counter:",
1462 le32_to_cpu(general->rx_enable_counter),
1463 accum_general->rx_enable_counter,
1464 delta_general->rx_enable_counter,
1465 max_general->rx_enable_counter);
1466 pos += scnprintf(buf + pos, bufsz - pos,
1467 fmt_table, "num_of_sos_states:",
1468 le32_to_cpu(general->num_of_sos_states),
1469 accum_general->num_of_sos_states,
1470 delta_general->num_of_sos_states,
1471 max_general->num_of_sos_states);
1472
1473 spin_unlock_bh(&priv->statistics.lock);
1474
1475 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1476 kfree(buf);
1477 return ret;
1478 }
1479
1480 static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file,
1481 char __user *user_buf,
1482 size_t count, loff_t *ppos)
1483 {
1484 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1485 int pos = 0;
1486 char *buf;
1487 int bufsz = (sizeof(struct statistics_bt_activity) * 24) + 200;
1488 ssize_t ret;
1489 struct statistics_bt_activity *bt, *accum_bt;
1490
1491 if (!iwl_is_alive(priv))
1492 return -EAGAIN;
1493
1494 if (!priv->bt_enable_flag)
1495 return -EINVAL;
1496
1497 /* make request to uCode to retrieve statistics information */
1498 mutex_lock(&priv->mutex);
1499 ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
1500 mutex_unlock(&priv->mutex);
1501
1502 if (ret)
1503 return -EAGAIN;
1504 buf = kzalloc(bufsz, GFP_KERNEL);
1505 if (!buf)
1506 return -ENOMEM;
1507
1508 /*
1509 * the statistic information display here is based on
1510 * the last statistics notification from uCode
1511 * might not reflect the current uCode activity
1512 */
1513
1514 spin_lock_bh(&priv->statistics.lock);
1515
1516 bt = &priv->statistics.bt_activity;
1517 accum_bt = &priv->accum_stats.bt_activity;
1518
1519 pos += iwl_statistics_flag(priv, buf, bufsz);
1520 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_BT:\n");
1521 pos += scnprintf(buf + pos, bufsz - pos,
1522 "\t\t\tcurrent\t\t\taccumulative\n");
1523 pos += scnprintf(buf + pos, bufsz - pos,
1524 "hi_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1525 le32_to_cpu(bt->hi_priority_tx_req_cnt),
1526 accum_bt->hi_priority_tx_req_cnt);
1527 pos += scnprintf(buf + pos, bufsz - pos,
1528 "hi_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1529 le32_to_cpu(bt->hi_priority_tx_denied_cnt),
1530 accum_bt->hi_priority_tx_denied_cnt);
1531 pos += scnprintf(buf + pos, bufsz - pos,
1532 "lo_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1533 le32_to_cpu(bt->lo_priority_tx_req_cnt),
1534 accum_bt->lo_priority_tx_req_cnt);
1535 pos += scnprintf(buf + pos, bufsz - pos,
1536 "lo_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1537 le32_to_cpu(bt->lo_priority_tx_denied_cnt),
1538 accum_bt->lo_priority_tx_denied_cnt);
1539 pos += scnprintf(buf + pos, bufsz - pos,
1540 "hi_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1541 le32_to_cpu(bt->hi_priority_rx_req_cnt),
1542 accum_bt->hi_priority_rx_req_cnt);
1543 pos += scnprintf(buf + pos, bufsz - pos,
1544 "hi_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1545 le32_to_cpu(bt->hi_priority_rx_denied_cnt),
1546 accum_bt->hi_priority_rx_denied_cnt);
1547 pos += scnprintf(buf + pos, bufsz - pos,
1548 "lo_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1549 le32_to_cpu(bt->lo_priority_rx_req_cnt),
1550 accum_bt->lo_priority_rx_req_cnt);
1551 pos += scnprintf(buf + pos, bufsz - pos,
1552 "lo_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1553 le32_to_cpu(bt->lo_priority_rx_denied_cnt),
1554 accum_bt->lo_priority_rx_denied_cnt);
1555
1556 pos += scnprintf(buf + pos, bufsz - pos,
1557 "(rx)num_bt_kills:\t\t%u\t\t\t%u\n",
1558 le32_to_cpu(priv->statistics.num_bt_kills),
1559 priv->statistics.accum_num_bt_kills);
1560
1561 spin_unlock_bh(&priv->statistics.lock);
1562
1563 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1564 kfree(buf);
1565 return ret;
1566 }
1567
1568 static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file,
1569 char __user *user_buf,
1570 size_t count, loff_t *ppos)
1571 {
1572 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1573 int pos = 0;
1574 char *buf;
1575 int bufsz = (sizeof(struct reply_tx_error_statistics) * 24) +
1576 (sizeof(struct reply_agg_tx_error_statistics) * 24) + 200;
1577 ssize_t ret;
1578
1579 if (!iwl_is_alive(priv))
1580 return -EAGAIN;
1581
1582 buf = kzalloc(bufsz, GFP_KERNEL);
1583 if (!buf)
1584 return -ENOMEM;
1585
1586 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_TX_Error:\n");
1587 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t\t%u\n",
1588 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_DELAY),
1589 priv->reply_tx_stats.pp_delay);
1590 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1591 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_FEW_BYTES),
1592 priv->reply_tx_stats.pp_few_bytes);
1593 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1594 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_BT_PRIO),
1595 priv->reply_tx_stats.pp_bt_prio);
1596 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1597 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_QUIET_PERIOD),
1598 priv->reply_tx_stats.pp_quiet_period);
1599 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1600 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_CALC_TTAK),
1601 priv->reply_tx_stats.pp_calc_ttak);
1602 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1603 iwl_get_tx_fail_reason(
1604 TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY),
1605 priv->reply_tx_stats.int_crossed_retry);
1606 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1607 iwl_get_tx_fail_reason(TX_STATUS_FAIL_SHORT_LIMIT),
1608 priv->reply_tx_stats.short_limit);
1609 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1610 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LONG_LIMIT),
1611 priv->reply_tx_stats.long_limit);
1612 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1613 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_UNDERRUN),
1614 priv->reply_tx_stats.fifo_underrun);
1615 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1616 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DRAIN_FLOW),
1617 priv->reply_tx_stats.drain_flow);
1618 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1619 iwl_get_tx_fail_reason(TX_STATUS_FAIL_RFKILL_FLUSH),
1620 priv->reply_tx_stats.rfkill_flush);
1621 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1622 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LIFE_EXPIRE),
1623 priv->reply_tx_stats.life_expire);
1624 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1625 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DEST_PS),
1626 priv->reply_tx_stats.dest_ps);
1627 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1628 iwl_get_tx_fail_reason(TX_STATUS_FAIL_HOST_ABORTED),
1629 priv->reply_tx_stats.host_abort);
1630 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1631 iwl_get_tx_fail_reason(TX_STATUS_FAIL_BT_RETRY),
1632 priv->reply_tx_stats.pp_delay);
1633 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1634 iwl_get_tx_fail_reason(TX_STATUS_FAIL_STA_INVALID),
1635 priv->reply_tx_stats.sta_invalid);
1636 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1637 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FRAG_DROPPED),
1638 priv->reply_tx_stats.frag_drop);
1639 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1640 iwl_get_tx_fail_reason(TX_STATUS_FAIL_TID_DISABLE),
1641 priv->reply_tx_stats.tid_disable);
1642 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1643 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_FLUSHED),
1644 priv->reply_tx_stats.fifo_flush);
1645 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1646 iwl_get_tx_fail_reason(
1647 TX_STATUS_FAIL_INSUFFICIENT_CF_POLL),
1648 priv->reply_tx_stats.insuff_cf_poll);
1649 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1650 iwl_get_tx_fail_reason(TX_STATUS_FAIL_PASSIVE_NO_RX),
1651 priv->reply_tx_stats.fail_hw_drop);
1652 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1653 iwl_get_tx_fail_reason(
1654 TX_STATUS_FAIL_NO_BEACON_ON_RADAR),
1655 priv->reply_tx_stats.sta_color_mismatch);
1656 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
1657 priv->reply_tx_stats.unknown);
1658
1659 pos += scnprintf(buf + pos, bufsz - pos,
1660 "\nStatistics_Agg_TX_Error:\n");
1661
1662 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1663 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_UNDERRUN_MSK),
1664 priv->reply_agg_tx_stats.underrun);
1665 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1666 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_BT_PRIO_MSK),
1667 priv->reply_agg_tx_stats.bt_prio);
1668 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1669 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_FEW_BYTES_MSK),
1670 priv->reply_agg_tx_stats.few_bytes);
1671 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1672 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_ABORT_MSK),
1673 priv->reply_agg_tx_stats.abort);
1674 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1675 iwl_get_agg_tx_fail_reason(
1676 AGG_TX_STATE_LAST_SENT_TTL_MSK),
1677 priv->reply_agg_tx_stats.last_sent_ttl);
1678 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1679 iwl_get_agg_tx_fail_reason(
1680 AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK),
1681 priv->reply_agg_tx_stats.last_sent_try);
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_BT_KILL_MSK),
1685 priv->reply_agg_tx_stats.last_sent_bt_kill);
1686 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1687 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_SCD_QUERY_MSK),
1688 priv->reply_agg_tx_stats.scd_query);
1689 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1690 iwl_get_agg_tx_fail_reason(
1691 AGG_TX_STATE_TEST_BAD_CRC32_MSK),
1692 priv->reply_agg_tx_stats.bad_crc32);
1693 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1694 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_RESPONSE_MSK),
1695 priv->reply_agg_tx_stats.response);
1696 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1697 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DUMP_TX_MSK),
1698 priv->reply_agg_tx_stats.dump_tx);
1699 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1700 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DELAY_TX_MSK),
1701 priv->reply_agg_tx_stats.delay_tx);
1702 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
1703 priv->reply_agg_tx_stats.unknown);
1704
1705 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1706 kfree(buf);
1707 return ret;
1708 }
1709
1710 static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
1711 char __user *user_buf,
1712 size_t count, loff_t *ppos) {
1713
1714 struct iwl_priv *priv = file->private_data;
1715 int pos = 0;
1716 int cnt = 0;
1717 char *buf;
1718 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
1719 ssize_t ret;
1720 struct iwl_sensitivity_data *data;
1721
1722 data = &priv->sensitivity_data;
1723 buf = kzalloc(bufsz, GFP_KERNEL);
1724 if (!buf)
1725 return -ENOMEM;
1726
1727 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
1728 data->auto_corr_ofdm);
1729 pos += scnprintf(buf + pos, bufsz - pos,
1730 "auto_corr_ofdm_mrc:\t\t %u\n",
1731 data->auto_corr_ofdm_mrc);
1732 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
1733 data->auto_corr_ofdm_x1);
1734 pos += scnprintf(buf + pos, bufsz - pos,
1735 "auto_corr_ofdm_mrc_x1:\t\t %u\n",
1736 data->auto_corr_ofdm_mrc_x1);
1737 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
1738 data->auto_corr_cck);
1739 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
1740 data->auto_corr_cck_mrc);
1741 pos += scnprintf(buf + pos, bufsz - pos,
1742 "last_bad_plcp_cnt_ofdm:\t\t %u\n",
1743 data->last_bad_plcp_cnt_ofdm);
1744 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
1745 data->last_fa_cnt_ofdm);
1746 pos += scnprintf(buf + pos, bufsz - pos,
1747 "last_bad_plcp_cnt_cck:\t\t %u\n",
1748 data->last_bad_plcp_cnt_cck);
1749 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
1750 data->last_fa_cnt_cck);
1751 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
1752 data->nrg_curr_state);
1753 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
1754 data->nrg_prev_state);
1755 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
1756 for (cnt = 0; cnt < 10; cnt++) {
1757 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1758 data->nrg_value[cnt]);
1759 }
1760 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1761 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
1762 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
1763 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1764 data->nrg_silence_rssi[cnt]);
1765 }
1766 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1767 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
1768 data->nrg_silence_ref);
1769 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
1770 data->nrg_energy_idx);
1771 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
1772 data->nrg_silence_idx);
1773 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
1774 data->nrg_th_cck);
1775 pos += scnprintf(buf + pos, bufsz - pos,
1776 "nrg_auto_corr_silence_diff:\t %u\n",
1777 data->nrg_auto_corr_silence_diff);
1778 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
1779 data->num_in_cck_no_fa);
1780 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
1781 data->nrg_th_ofdm);
1782
1783 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1784 kfree(buf);
1785 return ret;
1786 }
1787
1788
1789 static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
1790 char __user *user_buf,
1791 size_t count, loff_t *ppos) {
1792
1793 struct iwl_priv *priv = file->private_data;
1794 int pos = 0;
1795 int cnt = 0;
1796 char *buf;
1797 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
1798 ssize_t ret;
1799 struct iwl_chain_noise_data *data;
1800
1801 data = &priv->chain_noise_data;
1802 buf = kzalloc(bufsz, GFP_KERNEL);
1803 if (!buf)
1804 return -ENOMEM;
1805
1806 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
1807 data->active_chains);
1808 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
1809 data->chain_noise_a);
1810 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
1811 data->chain_noise_b);
1812 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
1813 data->chain_noise_c);
1814 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
1815 data->chain_signal_a);
1816 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
1817 data->chain_signal_b);
1818 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
1819 data->chain_signal_c);
1820 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
1821 data->beacon_count);
1822
1823 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
1824 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1825 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1826 data->disconn_array[cnt]);
1827 }
1828 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1829 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
1830 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1831 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1832 data->delta_gain_code[cnt]);
1833 }
1834 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1835 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
1836 data->radio_write);
1837 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
1838 data->state);
1839
1840 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1841 kfree(buf);
1842 return ret;
1843 }
1844
1845 static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
1846 char __user *user_buf,
1847 size_t count, loff_t *ppos)
1848 {
1849 struct iwl_priv *priv = file->private_data;
1850 char buf[60];
1851 int pos = 0;
1852 const size_t bufsz = sizeof(buf);
1853 u32 pwrsave_status;
1854
1855 pwrsave_status = iwl_read32(priv->trans, CSR_GP_CNTRL) &
1856 CSR_GP_REG_POWER_SAVE_STATUS_MSK;
1857
1858 pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: ");
1859 pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
1860 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" :
1861 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" :
1862 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" :
1863 "error");
1864
1865 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1866 }
1867
1868 static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
1869 const char __user *user_buf,
1870 size_t count, loff_t *ppos)
1871 {
1872 struct iwl_priv *priv = file->private_data;
1873 char buf[8];
1874 int buf_size;
1875 int clear;
1876
1877 memset(buf, 0, sizeof(buf));
1878 buf_size = min(count, sizeof(buf) - 1);
1879 if (copy_from_user(buf, user_buf, buf_size))
1880 return -EFAULT;
1881 if (sscanf(buf, "%d", &clear) != 1)
1882 return -EFAULT;
1883
1884 /* make request to uCode to retrieve statistics information */
1885 mutex_lock(&priv->mutex);
1886 iwl_send_statistics_request(priv, CMD_SYNC, true);
1887 mutex_unlock(&priv->mutex);
1888
1889 return count;
1890 }
1891
1892 static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file,
1893 char __user *user_buf,
1894 size_t count, loff_t *ppos) {
1895
1896 struct iwl_priv *priv = file->private_data;
1897 int pos = 0;
1898 char buf[128];
1899 const size_t bufsz = sizeof(buf);
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 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1911 }
1912
1913 static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file,
1914 const char __user *user_buf,
1915 size_t count, loff_t *ppos)
1916 {
1917 struct iwl_priv *priv = file->private_data;
1918 char buf[8];
1919 int buf_size;
1920 int trace;
1921
1922 memset(buf, 0, sizeof(buf));
1923 buf_size = min(count, sizeof(buf) - 1);
1924 if (copy_from_user(buf, user_buf, buf_size))
1925 return -EFAULT;
1926 if (sscanf(buf, "%d", &trace) != 1)
1927 return -EFAULT;
1928
1929 if (trace) {
1930 priv->event_log.ucode_trace = true;
1931 if (iwl_is_alive(priv)) {
1932 /* start collecting data now */
1933 mod_timer(&priv->ucode_trace, jiffies);
1934 }
1935 } else {
1936 priv->event_log.ucode_trace = false;
1937 del_timer_sync(&priv->ucode_trace);
1938 }
1939
1940 return count;
1941 }
1942
1943 static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file,
1944 char __user *user_buf,
1945 size_t count, loff_t *ppos) {
1946
1947 struct iwl_priv *priv = file->private_data;
1948 int len = 0;
1949 char buf[20];
1950
1951 len = sprintf(buf, "0x%04X\n",
1952 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags));
1953 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1954 }
1955
1956 static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file,
1957 char __user *user_buf,
1958 size_t count, loff_t *ppos) {
1959
1960 struct iwl_priv *priv = file->private_data;
1961 int len = 0;
1962 char buf[20];
1963
1964 len = sprintf(buf, "0x%04X\n",
1965 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags));
1966 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1967 }
1968
1969 static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file,
1970 char __user *user_buf,
1971 size_t count, loff_t *ppos) {
1972
1973 struct iwl_priv *priv = file->private_data;
1974 int pos = 0;
1975 char buf[12];
1976 const size_t bufsz = sizeof(buf);
1977
1978 pos += scnprintf(buf + pos, bufsz - pos, "%d\n",
1979 priv->missed_beacon_threshold);
1980
1981 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1982 }
1983
1984 static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file,
1985 const char __user *user_buf,
1986 size_t count, loff_t *ppos)
1987 {
1988 struct iwl_priv *priv = file->private_data;
1989 char buf[8];
1990 int buf_size;
1991 int missed;
1992
1993 memset(buf, 0, sizeof(buf));
1994 buf_size = min(count, sizeof(buf) - 1);
1995 if (copy_from_user(buf, user_buf, buf_size))
1996 return -EFAULT;
1997 if (sscanf(buf, "%d", &missed) != 1)
1998 return -EINVAL;
1999
2000 if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN ||
2001 missed > IWL_MISSED_BEACON_THRESHOLD_MAX)
2002 priv->missed_beacon_threshold =
2003 IWL_MISSED_BEACON_THRESHOLD_DEF;
2004 else
2005 priv->missed_beacon_threshold = missed;
2006
2007 return count;
2008 }
2009
2010 static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file,
2011 char __user *user_buf,
2012 size_t count, loff_t *ppos) {
2013
2014 struct iwl_priv *priv = file->private_data;
2015 int pos = 0;
2016 char buf[12];
2017 const size_t bufsz = sizeof(buf);
2018
2019 pos += scnprintf(buf + pos, bufsz - pos, "%u\n",
2020 priv->plcp_delta_threshold);
2021
2022 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2023 }
2024
2025 static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file,
2026 const char __user *user_buf,
2027 size_t count, loff_t *ppos) {
2028
2029 struct iwl_priv *priv = file->private_data;
2030 char buf[8];
2031 int buf_size;
2032 int plcp;
2033
2034 memset(buf, 0, sizeof(buf));
2035 buf_size = min(count, sizeof(buf) - 1);
2036 if (copy_from_user(buf, user_buf, buf_size))
2037 return -EFAULT;
2038 if (sscanf(buf, "%d", &plcp) != 1)
2039 return -EINVAL;
2040 if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) ||
2041 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX))
2042 priv->plcp_delta_threshold =
2043 IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE;
2044 else
2045 priv->plcp_delta_threshold = plcp;
2046 return count;
2047 }
2048
2049 static ssize_t iwl_dbgfs_rf_reset_read(struct file *file,
2050 char __user *user_buf,
2051 size_t count, loff_t *ppos)
2052 {
2053 struct iwl_priv *priv = file->private_data;
2054 int pos = 0;
2055 char buf[300];
2056 const size_t bufsz = sizeof(buf);
2057 struct iwl_rf_reset *rf_reset = &priv->rf_reset;
2058
2059 pos += scnprintf(buf + pos, bufsz - pos,
2060 "RF reset statistics\n");
2061 pos += scnprintf(buf + pos, bufsz - pos,
2062 "\tnumber of reset request: %d\n",
2063 rf_reset->reset_request_count);
2064 pos += scnprintf(buf + pos, bufsz - pos,
2065 "\tnumber of reset request success: %d\n",
2066 rf_reset->reset_success_count);
2067 pos += scnprintf(buf + pos, bufsz - pos,
2068 "\tnumber of reset request reject: %d\n",
2069 rf_reset->reset_reject_count);
2070
2071 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2072 }
2073
2074 static ssize_t iwl_dbgfs_rf_reset_write(struct file *file,
2075 const char __user *user_buf,
2076 size_t count, loff_t *ppos) {
2077
2078 struct iwl_priv *priv = file->private_data;
2079 int ret;
2080
2081 ret = iwl_force_rf_reset(priv, true);
2082 return ret ? ret : count;
2083 }
2084
2085 static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file,
2086 const char __user *user_buf,
2087 size_t count, loff_t *ppos) {
2088
2089 struct iwl_priv *priv = file->private_data;
2090 char buf[8];
2091 int buf_size;
2092 int flush;
2093
2094 memset(buf, 0, sizeof(buf));
2095 buf_size = min(count, sizeof(buf) - 1);
2096 if (copy_from_user(buf, user_buf, buf_size))
2097 return -EFAULT;
2098 if (sscanf(buf, "%d", &flush) != 1)
2099 return -EINVAL;
2100
2101 if (iwl_is_rfkill(priv))
2102 return -EFAULT;
2103
2104 iwlagn_dev_txfifo_flush(priv);
2105
2106 return count;
2107 }
2108
2109 static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file,
2110 char __user *user_buf,
2111 size_t count, loff_t *ppos) {
2112
2113 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2114 int pos = 0;
2115 char buf[200];
2116 const size_t bufsz = sizeof(buf);
2117
2118 if (!priv->bt_enable_flag) {
2119 pos += scnprintf(buf + pos, bufsz - pos, "BT coex disabled\n");
2120 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2121 }
2122 pos += scnprintf(buf + pos, bufsz - pos, "BT enable flag: 0x%x\n",
2123 priv->bt_enable_flag);
2124 pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n",
2125 priv->bt_full_concurrent ? "full concurrency" : "3-wire");
2126 pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, "
2127 "last traffic notif: %d\n",
2128 priv->bt_status ? "On" : "Off", priv->last_bt_traffic_load);
2129 pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, "
2130 "kill_ack_mask: %x, kill_cts_mask: %x\n",
2131 priv->bt_ch_announce, priv->kill_ack_mask,
2132 priv->kill_cts_mask);
2133
2134 pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: ");
2135 switch (priv->bt_traffic_load) {
2136 case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
2137 pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n");
2138 break;
2139 case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
2140 pos += scnprintf(buf + pos, bufsz - pos, "High\n");
2141 break;
2142 case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
2143 pos += scnprintf(buf + pos, bufsz - pos, "Low\n");
2144 break;
2145 case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
2146 default:
2147 pos += scnprintf(buf + pos, bufsz - pos, "None\n");
2148 break;
2149 }
2150
2151 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2152 }
2153
2154 static ssize_t iwl_dbgfs_protection_mode_read(struct file *file,
2155 char __user *user_buf,
2156 size_t count, loff_t *ppos)
2157 {
2158 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2159
2160 int pos = 0;
2161 char buf[40];
2162 const size_t bufsz = sizeof(buf);
2163
2164 if (priv->cfg->ht_params)
2165 pos += scnprintf(buf + pos, bufsz - pos,
2166 "use %s for aggregation\n",
2167 (priv->hw_params.use_rts_for_aggregation) ?
2168 "rts/cts" : "cts-to-self");
2169 else
2170 pos += scnprintf(buf + pos, bufsz - pos, "N/A");
2171
2172 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2173 }
2174
2175 static ssize_t iwl_dbgfs_protection_mode_write(struct file *file,
2176 const char __user *user_buf,
2177 size_t count, loff_t *ppos) {
2178
2179 struct iwl_priv *priv = file->private_data;
2180 char buf[8];
2181 int buf_size;
2182 int rts;
2183
2184 if (!priv->cfg->ht_params)
2185 return -EINVAL;
2186
2187 memset(buf, 0, sizeof(buf));
2188 buf_size = min(count, sizeof(buf) - 1);
2189 if (copy_from_user(buf, user_buf, buf_size))
2190 return -EFAULT;
2191 if (sscanf(buf, "%d", &rts) != 1)
2192 return -EINVAL;
2193 if (rts)
2194 priv->hw_params.use_rts_for_aggregation = true;
2195 else
2196 priv->hw_params.use_rts_for_aggregation = false;
2197 return count;
2198 }
2199
2200 static int iwl_cmd_echo_test(struct iwl_priv *priv)
2201 {
2202 int ret;
2203 struct iwl_host_cmd cmd = {
2204 .id = REPLY_ECHO,
2205 .len = { 0 },
2206 .flags = CMD_SYNC,
2207 };
2208
2209 ret = iwl_dvm_send_cmd(priv, &cmd);
2210 if (ret)
2211 IWL_ERR(priv, "echo testing fail: 0X%x\n", ret);
2212 else
2213 IWL_DEBUG_INFO(priv, "echo testing pass\n");
2214 return ret;
2215 }
2216
2217 static ssize_t iwl_dbgfs_echo_test_write(struct file *file,
2218 const char __user *user_buf,
2219 size_t count, loff_t *ppos)
2220 {
2221 struct iwl_priv *priv = file->private_data;
2222 char buf[8];
2223 int buf_size;
2224
2225 memset(buf, 0, sizeof(buf));
2226 buf_size = min(count, sizeof(buf) - 1);
2227 if (copy_from_user(buf, user_buf, buf_size))
2228 return -EFAULT;
2229
2230 iwl_cmd_echo_test(priv);
2231 return count;
2232 }
2233
2234 #ifdef CONFIG_IWLWIFI_DEBUG
2235 static ssize_t iwl_dbgfs_log_event_read(struct file *file,
2236 char __user *user_buf,
2237 size_t count, loff_t *ppos)
2238 {
2239 struct iwl_priv *priv = file->private_data;
2240 char *buf = NULL;
2241 ssize_t ret;
2242
2243 ret = iwl_dump_nic_event_log(priv, true, &buf);
2244 if (ret > 0)
2245 ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
2246 kfree(buf);
2247 return ret;
2248 }
2249
2250 static ssize_t iwl_dbgfs_log_event_write(struct file *file,
2251 const char __user *user_buf,
2252 size_t count, loff_t *ppos)
2253 {
2254 struct iwl_priv *priv = file->private_data;
2255 u32 event_log_flag;
2256 char buf[8];
2257 int buf_size;
2258
2259 /* check that the interface is up */
2260 if (!iwl_is_ready(priv))
2261 return -EAGAIN;
2262
2263 memset(buf, 0, sizeof(buf));
2264 buf_size = min(count, sizeof(buf) - 1);
2265 if (copy_from_user(buf, user_buf, buf_size))
2266 return -EFAULT;
2267 if (sscanf(buf, "%d", &event_log_flag) != 1)
2268 return -EFAULT;
2269 if (event_log_flag == 1)
2270 iwl_dump_nic_event_log(priv, true, NULL);
2271
2272 return count;
2273 }
2274 #endif
2275
2276 static ssize_t iwl_dbgfs_calib_disabled_read(struct file *file,
2277 char __user *user_buf,
2278 size_t count, loff_t *ppos)
2279 {
2280 struct iwl_priv *priv = file->private_data;
2281 char buf[120];
2282 int pos = 0;
2283 const size_t bufsz = sizeof(buf);
2284
2285 pos += scnprintf(buf + pos, bufsz - pos,
2286 "Sensitivity calibrations %s\n",
2287 (priv->calib_disabled &
2288 IWL_SENSITIVITY_CALIB_DISABLED) ?
2289 "DISABLED" : "ENABLED");
2290 pos += scnprintf(buf + pos, bufsz - pos,
2291 "Chain noise calibrations %s\n",
2292 (priv->calib_disabled &
2293 IWL_CHAIN_NOISE_CALIB_DISABLED) ?
2294 "DISABLED" : "ENABLED");
2295 pos += scnprintf(buf + pos, bufsz - pos,
2296 "Tx power calibrations %s\n",
2297 (priv->calib_disabled &
2298 IWL_TX_POWER_CALIB_DISABLED) ?
2299 "DISABLED" : "ENABLED");
2300
2301 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2302 }
2303
2304 static ssize_t iwl_dbgfs_calib_disabled_write(struct file *file,
2305 const char __user *user_buf,
2306 size_t count, loff_t *ppos)
2307 {
2308 struct iwl_priv *priv = file->private_data;
2309 char buf[8];
2310 u32 calib_disabled;
2311 int buf_size;
2312
2313 memset(buf, 0, sizeof(buf));
2314 buf_size = min(count, sizeof(buf) - 1);
2315 if (copy_from_user(buf, user_buf, buf_size))
2316 return -EFAULT;
2317 if (sscanf(buf, "%x", &calib_disabled) != 1)
2318 return -EFAULT;
2319
2320 priv->calib_disabled = calib_disabled;
2321
2322 return count;
2323 }
2324
2325 static ssize_t iwl_dbgfs_fw_restart_write(struct file *file,
2326 const char __user *user_buf,
2327 size_t count, loff_t *ppos)
2328 {
2329 struct iwl_priv *priv = file->private_data;
2330 bool restart_fw = iwlwifi_mod_params.restart_fw;
2331 int ret;
2332
2333 iwlwifi_mod_params.restart_fw = true;
2334
2335 mutex_lock(&priv->mutex);
2336
2337 /* take the return value to make compiler happy - it will fail anyway */
2338 ret = iwl_dvm_send_cmd_pdu(priv, REPLY_ERROR, CMD_SYNC, 0, NULL);
2339
2340 mutex_unlock(&priv->mutex);
2341
2342 iwlwifi_mod_params.restart_fw = restart_fw;
2343
2344 return count;
2345 }
2346
2347 DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
2348 DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
2349 DEBUGFS_READ_FILE_OPS(ucode_general_stats);
2350 DEBUGFS_READ_FILE_OPS(sensitivity);
2351 DEBUGFS_READ_FILE_OPS(chain_noise);
2352 DEBUGFS_READ_FILE_OPS(power_save_status);
2353 DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
2354 DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing);
2355 DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon);
2356 DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta);
2357 DEBUGFS_READ_WRITE_FILE_OPS(rf_reset);
2358 DEBUGFS_READ_FILE_OPS(rxon_flags);
2359 DEBUGFS_READ_FILE_OPS(rxon_filter_flags);
2360 DEBUGFS_WRITE_FILE_OPS(txfifo_flush);
2361 DEBUGFS_READ_FILE_OPS(ucode_bt_stats);
2362 DEBUGFS_READ_FILE_OPS(bt_traffic);
2363 DEBUGFS_READ_WRITE_FILE_OPS(protection_mode);
2364 DEBUGFS_READ_FILE_OPS(reply_tx_error);
2365 DEBUGFS_WRITE_FILE_OPS(echo_test);
2366 DEBUGFS_WRITE_FILE_OPS(fw_restart);
2367 #ifdef CONFIG_IWLWIFI_DEBUG
2368 DEBUGFS_READ_WRITE_FILE_OPS(log_event);
2369 #endif
2370 DEBUGFS_READ_WRITE_FILE_OPS(calib_disabled);
2371
2372 /*
2373 * Create the debugfs files and directories
2374 *
2375 */
2376 int iwl_dbgfs_register(struct iwl_priv *priv, struct dentry *dbgfs_dir)
2377 {
2378 struct dentry *dir_data, *dir_rf, *dir_debug;
2379
2380 priv->debugfs_dir = dbgfs_dir;
2381
2382 dir_data = debugfs_create_dir("data", dbgfs_dir);
2383 if (!dir_data)
2384 goto err;
2385 dir_rf = debugfs_create_dir("rf", dbgfs_dir);
2386 if (!dir_rf)
2387 goto err;
2388 dir_debug = debugfs_create_dir("debug", dbgfs_dir);
2389 if (!dir_debug)
2390 goto err;
2391
2392 DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR);
2393 DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR);
2394 DEBUGFS_ADD_FILE(wowlan_sram, dir_data, S_IRUSR);
2395 DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR);
2396 DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR);
2397 DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR);
2398 DEBUGFS_ADD_FILE(rx_handlers, dir_data, S_IWUSR | S_IRUSR);
2399 DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR);
2400 DEBUGFS_ADD_FILE(sleep_level_override, dir_data, S_IWUSR | S_IRUSR);
2401 DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR);
2402 DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR);
2403 DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR);
2404 DEBUGFS_ADD_FILE(temperature, dir_data, S_IRUSR);
2405
2406 DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR);
2407 DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR);
2408 DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR);
2409 DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR);
2410 DEBUGFS_ADD_FILE(rf_reset, dir_debug, S_IWUSR | S_IRUSR);
2411 DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR);
2412 DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR);
2413 DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR);
2414 DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, S_IWUSR);
2415 DEBUGFS_ADD_FILE(protection_mode, dir_debug, S_IWUSR | S_IRUSR);
2416 DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR);
2417 DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR);
2418 DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR);
2419 DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, S_IRUSR);
2420 DEBUGFS_ADD_FILE(reply_tx_error, dir_debug, S_IRUSR);
2421 DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR);
2422 DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR);
2423 DEBUGFS_ADD_FILE(echo_test, dir_debug, S_IWUSR);
2424 DEBUGFS_ADD_FILE(fw_restart, dir_debug, S_IWUSR);
2425 #ifdef CONFIG_IWLWIFI_DEBUG
2426 DEBUGFS_ADD_FILE(log_event, dir_debug, S_IWUSR | S_IRUSR);
2427 #endif
2428
2429 if (iwl_advanced_bt_coexist(priv))
2430 DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);
2431
2432 /* Calibrations disabled/enabled status*/
2433 DEBUGFS_ADD_FILE(calib_disabled, dir_rf, S_IWUSR | S_IRUSR);
2434
2435 /*
2436 * Create a symlink with mac80211. This is not very robust, as it does
2437 * not remove the symlink created. The implicit assumption is that
2438 * when the opmode exits, mac80211 will also exit, and will remove
2439 * this symlink as part of its cleanup.
2440 */
2441 if (priv->mac80211_registered) {
2442 char buf[100];
2443 struct dentry *mac80211_dir, *dev_dir, *root_dir;
2444
2445 dev_dir = dbgfs_dir->d_parent;
2446 root_dir = dev_dir->d_parent;
2447 mac80211_dir = priv->hw->wiphy->debugfsdir;
2448
2449 snprintf(buf, 100, "../../%s/%s", root_dir->d_name.name,
2450 dev_dir->d_name.name);
2451
2452 if (!debugfs_create_symlink("iwlwifi", mac80211_dir, buf))
2453 goto err;
2454 }
2455
2456 return 0;
2457
2458 err:
2459 IWL_ERR(priv, "failed to create the dvm debugfs entries\n");
2460 return -ENOMEM;
2461 }
CRIS linux kernel tree