projects / deliverable / linux.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
iwlagn: set dynamic aggregation threshold for BT
[deliverable/linux.git] / drivers / net / wireless / iwlwifi / iwl-debugfs.c
CommitLineData
712b6cf5
TW		 1/******************************************************************************
2 *
3 * GPL LICENSE SUMMARY
4 *
1f447808 5 * Copyright(c) 2008 - 2010 Intel Corporation. All rights reserved.
712b6cf5
TW		 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:
759ef89f 25 * Intel Linux Wireless <ilw@linux.intel.com>
712b6cf5
TW		 26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
27 *****************************************************************************/
28
5a0e3ad6 29#include <linux/slab.h>
712b6cf5
TW		 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
3e0d4cb1 38#include "iwl-dev.h"
712b6cf5 39#include "iwl-debug.h"
fee1247a 40#include "iwl-core.h"
3395f6e9 41#include "iwl-io.h"
712b6cf5
TW		 42
43/* create and remove of files */
4c84a8f1
JB		 44#define DEBUGFS_ADD_FILE(name, parent, mode) do { \
45 if (!debugfs_create_file(#name, mode, parent, priv, \
46 &iwl_dbgfs_##name##_ops)) \
47 goto err; \
712b6cf5
TW		 48} while (0)
49
4c84a8f1
JB		 50#define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \
51 struct dentry *__tmp; \
52 __tmp = debugfs_create_bool(#name, S_IWUSR | S_IRUSR, \
53 parent, ptr); \
54 if (IS_ERR(__tmp) || !__tmp) \
55 goto err; \
712b6cf5
TW		 56} while (0)
57
4c84a8f1
JB		 58#define DEBUGFS_ADD_X32(name, parent, ptr) do { \
59 struct dentry *__tmp; \
60 __tmp = debugfs_create_x32(#name, S_IWUSR | S_IRUSR, \
61 parent, ptr); \
62 if (IS_ERR(__tmp) || !__tmp) \
63 goto err; \
445c2dff
TW		 64} while (0)
65
712b6cf5
TW		 66/* file operation */
67#define DEBUGFS_READ_FUNC(name) \
68static ssize_t iwl_dbgfs_##name##_read(struct file *file, \
69 char __user *user_buf, \
70 size_t count, loff_t *ppos);
71
72#define DEBUGFS_WRITE_FUNC(name) \
73static ssize_t iwl_dbgfs_##name##_write(struct file *file, \
74 const char __user *user_buf, \
75 size_t count, loff_t *ppos);
76
77
78static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file)
79{
80 file->private_data = inode->i_private;
81 return 0;
82}
83
84#define DEBUGFS_READ_FILE_OPS(name) \
85 DEBUGFS_READ_FUNC(name); \
86static const struct file_operations iwl_dbgfs_##name##_ops = { \
87 .read = iwl_dbgfs_##name##_read, \
88 .open = iwl_dbgfs_open_file_generic, \
2b18ab36 89 .llseek = generic_file_llseek, \
712b6cf5
TW		 90};
91
189a2b59
EK		 92#define DEBUGFS_WRITE_FILE_OPS(name) \
93 DEBUGFS_WRITE_FUNC(name); \
94static const struct file_operations iwl_dbgfs_##name##_ops = { \
95 .write = iwl_dbgfs_##name##_write, \
96 .open = iwl_dbgfs_open_file_generic, \
2b18ab36 97 .llseek = generic_file_llseek, \
189a2b59
EK		 98};
99
100
712b6cf5
TW		 101#define DEBUGFS_READ_WRITE_FILE_OPS(name) \
102 DEBUGFS_READ_FUNC(name); \
103 DEBUGFS_WRITE_FUNC(name); \
104static const struct file_operations iwl_dbgfs_##name##_ops = { \
105 .write = iwl_dbgfs_##name##_write, \
106 .read = iwl_dbgfs_##name##_read, \
107 .open = iwl_dbgfs_open_file_generic, \
2b18ab36 108 .llseek = generic_file_llseek, \
712b6cf5
TW		 109};
110
712b6cf5
TW		 111static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file,
112 char __user *user_buf,
113 size_t count, loff_t *ppos) {
114
28f63a4b 115 struct iwl_priv *priv = file->private_data;
22fdf3c9 116 char *buf;
712b6cf5
TW		 117 int pos = 0;
118
22fdf3c9
WYG		 119 int cnt;
120 ssize_t ret;
98a7b43b
WYG		 121 const size_t bufsz = 100 +
122 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
22fdf3c9
WYG		 123 buf = kzalloc(bufsz, GFP_KERNEL);
124 if (!buf)
125 return -ENOMEM;
126 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
127 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
128 pos += scnprintf(buf + pos, bufsz - pos,
98a7b43b 129 "\t%25s\t\t: %u\n",
22fdf3c9
WYG		 130 get_mgmt_string(cnt),
131 priv->tx_stats.mgmt[cnt]);
132 }
133 pos += scnprintf(buf + pos, bufsz - pos, "Control\n");
134 for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
135 pos += scnprintf(buf + pos, bufsz - pos,
98a7b43b 136 "\t%25s\t\t: %u\n",
22fdf3c9
WYG		 137 get_ctrl_string(cnt),
138 priv->tx_stats.ctrl[cnt]);
139 }
140 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
141 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
142 priv->tx_stats.data_cnt);
143 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
144 priv->tx_stats.data_bytes);
145 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
146 kfree(buf);
147 return ret;
148}
149
7163b8a4 150static ssize_t iwl_dbgfs_clear_traffic_statistics_write(struct file *file,
22fdf3c9
WYG		 151 const char __user *user_buf,
152 size_t count, loff_t *ppos)
153{
154 struct iwl_priv *priv = file->private_data;
155 u32 clear_flag;
156 char buf[8];
157 int buf_size;
712b6cf5 158
22fdf3c9
WYG		 159 memset(buf, 0, sizeof(buf));
160 buf_size = min(count, sizeof(buf) - 1);
161 if (copy_from_user(buf, user_buf, buf_size))
162 return -EFAULT;
163 if (sscanf(buf, "%x", &clear_flag) != 1)
164 return -EFAULT;
7163b8a4 165 iwl_clear_traffic_stats(priv);
22fdf3c9
WYG		 166
167 return count;
712b6cf5
TW		 168}
169
170static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file,
171 char __user *user_buf,
172 size_t count, loff_t *ppos) {
173
28f63a4b 174 struct iwl_priv *priv = file->private_data;
22fdf3c9 175 char *buf;
712b6cf5 176 int pos = 0;
22fdf3c9
WYG		 177 int cnt;
178 ssize_t ret;
179 const size_t bufsz = 100 +
98a7b43b 180 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
22fdf3c9
WYG		 181 buf = kzalloc(bufsz, GFP_KERNEL);
182 if (!buf)
183 return -ENOMEM;
712b6cf5 184
22fdf3c9
WYG		 185 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
186 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
187 pos += scnprintf(buf + pos, bufsz - pos,
98a7b43b 188 "\t%25s\t\t: %u\n",
22fdf3c9
WYG		 189 get_mgmt_string(cnt),
190 priv->rx_stats.mgmt[cnt]);
191 }
192 pos += scnprintf(buf + pos, bufsz - pos, "Control:\n");
193 for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
194 pos += scnprintf(buf + pos, bufsz - pos,
98a7b43b 195 "\t%25s\t\t: %u\n",
22fdf3c9
WYG		 196 get_ctrl_string(cnt),
197 priv->rx_stats.ctrl[cnt]);
198 }
199 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
200 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
201 priv->rx_stats.data_cnt);
202 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
203 priv->rx_stats.data_bytes);
712b6cf5 204
22fdf3c9
WYG		 205 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
206 kfree(buf);
207 return ret;
208}
209
712b6cf5
TW		 210#define BYTE1_MASK 0x000000ff;
211#define BYTE2_MASK 0x0000ffff;
212#define BYTE3_MASK 0x00ffffff;
213static ssize_t iwl_dbgfs_sram_read(struct file *file,
214 char __user *user_buf,
215 size_t count, loff_t *ppos)
216{
217 u32 val;
2943f136 218 char *buf;
712b6cf5
TW		 219 ssize_t ret;
220 int i;
221 int pos = 0;
28f63a4b 222 struct iwl_priv *priv = file->private_data;
2943f136 223 size_t bufsz;
712b6cf5 224
5ade1e4d 225 /* default is to dump the entire data segment */
4c84a8f1
JB		 226 if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) {
227 priv->dbgfs_sram_offset = 0x800000;
5ade1e4d 228 if (priv->ucode_type == UCODE_INIT)
4c84a8f1 229 priv->dbgfs_sram_len = priv->ucode_init_data.len;
5ade1e4d 230 else
4c84a8f1 231 priv->dbgfs_sram_len = priv->ucode_data.len;
5ade1e4d 232 }
4c84a8f1 233 bufsz = 30 + priv->dbgfs_sram_len * sizeof(char) * 10;
2943f136
WYG		 234 buf = kmalloc(bufsz, GFP_KERNEL);
235 if (!buf)
236 return -ENOMEM;
5ade1e4d 237 pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n",
4c84a8f1 238 priv->dbgfs_sram_len);
5ade1e4d 239 pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n",
4c84a8f1
JB		 240 priv->dbgfs_sram_offset);
241 for (i = priv->dbgfs_sram_len; i > 0; i -= 4) {
242 val = iwl_read_targ_mem(priv, priv->dbgfs_sram_offset + \
243 priv->dbgfs_sram_len - i);
712b6cf5
TW		 244 if (i < 4) {
245 switch (i) {
246 case 1:
247 val &= BYTE1_MASK;
248 break;
249 case 2:
250 val &= BYTE2_MASK;
251 break;
252 case 3:
253 val &= BYTE3_MASK;
254 break;
255 }
256 }
2943f136
WYG		 257 if (!(i % 16))
258 pos += scnprintf(buf + pos, bufsz - pos, "\n");
db0589f3 259 pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val);
712b6cf5 260 }
db0589f3 261 pos += scnprintf(buf + pos, bufsz - pos, "\n");
712b6cf5
TW		 262
263 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2943f136 264 kfree(buf);
712b6cf5
TW		 265 return ret;
266}
267
268static ssize_t iwl_dbgfs_sram_write(struct file *file,
269 const char __user *user_buf,
270 size_t count, loff_t *ppos)
271{
272 struct iwl_priv *priv = file->private_data;
273 char buf[64];
274 int buf_size;
275 u32 offset, len;
276
277 memset(buf, 0, sizeof(buf));
278 buf_size = min(count, sizeof(buf) - 1);
279 if (copy_from_user(buf, user_buf, buf_size))
280 return -EFAULT;
281
282 if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
4c84a8f1
JB		 283 priv->dbgfs_sram_offset = offset;
284 priv->dbgfs_sram_len = len;
712b6cf5 285 } else {
4c84a8f1
JB		 286 priv->dbgfs_sram_offset = 0;
287 priv->dbgfs_sram_len = 0;
712b6cf5
TW		 288 }
289
290 return count;
291}
292
293static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
294 size_t count, loff_t *ppos)
295{
28f63a4b 296 struct iwl_priv *priv = file->private_data;
6def9761 297 struct iwl_station_entry *station;
5425e490 298 int max_sta = priv->hw_params.max_stations;
712b6cf5
TW		 299 char *buf;
300 int i, j, pos = 0;
301 ssize_t ret;
302 /* Add 30 for initial string */
303 const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
712b6cf5
TW		 304
305 buf = kmalloc(bufsz, GFP_KERNEL);
3ac7f146 306 if (!buf)
712b6cf5
TW		 307 return -ENOMEM;
308
db0589f3 309 pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
712b6cf5
TW		 310 priv->num_stations);
311
312 for (i = 0; i < max_sta; i++) {
313 station = &priv->stations[i];
da73511d
JB		 314 if (!station->used)
315 continue;
316 pos += scnprintf(buf + pos, bufsz - pos,
317 "station %d - addr: %pM, flags: %#x\n",
318 i, station->sta.sta.addr,
319 station->sta.station_flags_msk);
320 pos += scnprintf(buf + pos, bufsz - pos,
321 "TID\tseq_num\ttxq_id\tframes\ttfds\t");
322 pos += scnprintf(buf + pos, bufsz - pos,
323 "start_idx\tbitmap\t\t\trate_n_flags\n");
712b6cf5 324
da73511d
JB		 325 for (j = 0; j < MAX_TID_COUNT; j++) {
326 pos += scnprintf(buf + pos, bufsz - pos,
327 "%d:\t%#x\t%#x\t%u\t%u\t%u\t\t%#.16llx\t%#x",
328 j, station->tid[j].seq_number,
329 station->tid[j].agg.txq_id,
330 station->tid[j].agg.frame_count,
331 station->tid[j].tfds_in_queue,
332 station->tid[j].agg.start_idx,
333 station->tid[j].agg.bitmap,
334 station->tid[j].agg.rate_n_flags);
335
336 if (station->tid[j].agg.wait_for_ba)
db0589f3 337 pos += scnprintf(buf + pos, bufsz - pos,
da73511d 338 " - waitforba");
db0589f3 339 pos += scnprintf(buf + pos, bufsz - pos, "\n");
712b6cf5 340 }
da73511d
JB		 341
342 pos += scnprintf(buf + pos, bufsz - pos, "\n");
712b6cf5
TW		 343 }
344
345 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
346 kfree(buf);
347 return ret;
348}
349
0848e297 350static ssize_t iwl_dbgfs_nvm_read(struct file *file,
8dd266ef
TW		 351 char __user *user_buf,
352 size_t count,
353 loff_t *ppos)
354{
355 ssize_t ret;
28f63a4b 356 struct iwl_priv *priv = file->private_data;
8dd266ef
TW		 357 int pos = 0, ofs = 0, buf_size = 0;
358 const u8 *ptr;
359 char *buf;
e307ddce 360 u16 eeprom_ver;
7cb1b088 361 size_t eeprom_len = priv->cfg->base_params->eeprom_size;
8dd266ef
TW		 362 buf_size = 4 * eeprom_len + 256;
363
364 if (eeprom_len % 16) {
0848e297 365 IWL_ERR(priv, "NVM size is not multiple of 16.\n");
8dd266ef
TW		 366 return -ENODATA;
367 }
368
c37457e6
JL		 369 ptr = priv->eeprom;
370 if (!ptr) {
371 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
372 return -ENOMEM;
373 }
374
8dd266ef
TW		 375 /* 4 characters for byte 0xYY */
376 buf = kzalloc(buf_size, GFP_KERNEL);
377 if (!buf) {
15b1687c 378 IWL_ERR(priv, "Can not allocate Buffer\n");
8dd266ef
TW		 379 return -ENOMEM;
380 }
e307ddce
WYG		 381 eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION);
382 pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, "
383 "version: 0x%x\n",
0848e297 384 (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
e307ddce 385 ? "OTP" : "EEPROM", eeprom_ver);
8dd266ef
TW		 386 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
387 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
388 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
389 buf_size - pos, 0);
2fac9717 390 pos += strlen(buf + pos);
8dd266ef
TW		 391 if (buf_size - pos > 0)
392 buf[pos++] = '\n';
393 }
394
395 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
396 kfree(buf);
397 return ret;
398}
712b6cf5 399
b03d7d0f
WYG		 400static ssize_t iwl_dbgfs_log_event_read(struct file *file,
401 char __user *user_buf,
402 size_t count, loff_t *ppos)
403{
404 struct iwl_priv *priv = file->private_data;
405 char *buf;
406 int pos = 0;
407 ssize_t ret = -ENOMEM;
408
937c397e
WYG		 409 ret = pos = priv->cfg->ops->lib->dump_nic_event_log(
410 priv, true, &buf, true);
411 if (buf) {
b03d7d0f
WYG		 412 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
413 kfree(buf);
414 }
415 return ret;
416}
417
189a2b59
EK		 418static ssize_t iwl_dbgfs_log_event_write(struct file *file,
419 const char __user *user_buf,
420 size_t count, loff_t *ppos)
421{
422 struct iwl_priv *priv = file->private_data;
423 u32 event_log_flag;
424 char buf[8];
425 int buf_size;
426
427 memset(buf, 0, sizeof(buf));
428 buf_size = min(count, sizeof(buf) - 1);
429 if (copy_from_user(buf, user_buf, buf_size))
430 return -EFAULT;
431 if (sscanf(buf, "%d", &event_log_flag) != 1)
432 return -EFAULT;
433 if (event_log_flag == 1)
b03d7d0f
WYG		 434 priv->cfg->ops->lib->dump_nic_event_log(priv, true,
435 NULL, false);
189a2b59
EK		 436
437 return count;
438}
439
d366df5a
WT		 440
441
442static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
443 size_t count, loff_t *ppos)
444{
28f63a4b 445 struct iwl_priv *priv = file->private_data;
d366df5a
WT		 446 struct ieee80211_channel *channels = NULL;
447 const struct ieee80211_supported_band *supp_band = NULL;
448 int pos = 0, i, bufsz = PAGE_SIZE;
449 char *buf;
450 ssize_t ret;
451
452 if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status))
453 return -EAGAIN;
454
455 buf = kzalloc(bufsz, GFP_KERNEL);
456 if (!buf) {
15b1687c 457 IWL_ERR(priv, "Can not allocate Buffer\n");
d366df5a
WT		 458 return -ENOMEM;
459 }
460
461 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
a2e2322d
WYG		 462 if (supp_band) {
463 channels = supp_band->channels;
d366df5a 464
d366df5a 465 pos += scnprintf(buf + pos, bufsz - pos,
a2e2322d
WYG		 466 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
467 supp_band->n_channels);
d366df5a 468
a2e2322d
WYG		 469 for (i = 0; i < supp_band->n_channels; i++)
470 pos += scnprintf(buf + pos, bufsz - pos,
471 "%d: %ddBm: BSS%s%s, %s.\n",
81e95430 472 channels[i].hw_value,
a2e2322d
WYG		 473 channels[i].max_power,
474 channels[i].flags & IEEE80211_CHAN_RADAR ?
475 " (IEEE 802.11h required)" : "",
476 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
477 || (channels[i].flags &
478 IEEE80211_CHAN_RADAR)) ? "" :
479 ", IBSS",
480 channels[i].flags &
481 IEEE80211_CHAN_PASSIVE_SCAN ?
482 "passive only" : "active/passive");
483 }
d366df5a 484 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
a2e2322d
WYG		 485 if (supp_band) {
486 channels = supp_band->channels;
d366df5a 487
d366df5a 488 pos += scnprintf(buf + pos, bufsz - pos,
a2e2322d
WYG		 489 "Displaying %d channels in 5.2GHz band (802.11a)\n",
490 supp_band->n_channels);
491
492 for (i = 0; i < supp_band->n_channels; i++)
493 pos += scnprintf(buf + pos, bufsz - pos,
494 "%d: %ddBm: BSS%s%s, %s.\n",
81e95430 495 channels[i].hw_value,
a2e2322d
WYG		 496 channels[i].max_power,
497 channels[i].flags & IEEE80211_CHAN_RADAR ?
498 " (IEEE 802.11h required)" : "",
499 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
500 || (channels[i].flags &
501 IEEE80211_CHAN_RADAR)) ? "" :
502 ", IBSS",
503 channels[i].flags &
504 IEEE80211_CHAN_PASSIVE_SCAN ?
505 "passive only" : "active/passive");
506 }
d366df5a
WT		 507 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
508 kfree(buf);
509 return ret;
510}
511
08df05aa
WYG		 512static ssize_t iwl_dbgfs_status_read(struct file *file,
513 char __user *user_buf,
514 size_t count, loff_t *ppos) {
515
28f63a4b 516 struct iwl_priv *priv = file->private_data;
08df05aa
WYG		 517 char buf[512];
518 int pos = 0;
519 const size_t bufsz = sizeof(buf);
520
521 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n",
522 test_bit(STATUS_HCMD_ACTIVE, &priv->status));
08df05aa
WYG		 523 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n",
524 test_bit(STATUS_INT_ENABLED, &priv->status));
525 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
526 test_bit(STATUS_RF_KILL_HW, &priv->status));
7812b167
WYG		 527 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n",
528 test_bit(STATUS_CT_KILL, &priv->status));
08df05aa
WYG		 529 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n",
530 test_bit(STATUS_INIT, &priv->status));
531 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
532 test_bit(STATUS_ALIVE, &priv->status));
533 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
534 test_bit(STATUS_READY, &priv->status));
535 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n",
536 test_bit(STATUS_TEMPERATURE, &priv->status));
537 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
538 test_bit(STATUS_GEO_CONFIGURED, &priv->status));
539 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
540 test_bit(STATUS_EXIT_PENDING, &priv->status));
08df05aa
WYG		 541 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
542 test_bit(STATUS_STATISTICS, &priv->status));
543 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
544 test_bit(STATUS_SCANNING, &priv->status));
545 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
546 test_bit(STATUS_SCAN_ABORTING, &priv->status));
547 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
548 test_bit(STATUS_SCAN_HW, &priv->status));
549 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
550 test_bit(STATUS_POWER_PMI, &priv->status));
551 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
552 test_bit(STATUS_FW_ERROR, &priv->status));
08df05aa
WYG		 553 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
554}
555
a83b9141
WYG		 556static ssize_t iwl_dbgfs_interrupt_read(struct file *file,
557 char __user *user_buf,
558 size_t count, loff_t *ppos) {
559
28f63a4b 560 struct iwl_priv *priv = file->private_data;
a83b9141
WYG		 561 int pos = 0;
562 int cnt = 0;
563 char *buf;
564 int bufsz = 24 * 64; /* 24 items * 64 char per item */
565 ssize_t ret;
566
567 buf = kzalloc(bufsz, GFP_KERNEL);
568 if (!buf) {
569 IWL_ERR(priv, "Can not allocate Buffer\n");
570 return -ENOMEM;
571 }
572
573 pos += scnprintf(buf + pos, bufsz - pos,
574 "Interrupt Statistics Report:\n");
575
576 pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n",
577 priv->isr_stats.hw);
578 pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n",
579 priv->isr_stats.sw);
6e6ebf4b 580 if (priv->isr_stats.sw || priv->isr_stats.hw) {
a83b9141
WYG		 581 pos += scnprintf(buf + pos, bufsz - pos,
582 "\tLast Restarting Code: 0x%X\n",
6e6ebf4b 583 priv->isr_stats.err_code);
a83b9141
WYG		 584 }
585#ifdef CONFIG_IWLWIFI_DEBUG
586 pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n",
587 priv->isr_stats.sch);
588 pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n",
589 priv->isr_stats.alive);
590#endif
591 pos += scnprintf(buf + pos, bufsz - pos,
592 "HW RF KILL switch toggled:\t %u\n",
593 priv->isr_stats.rfkill);
594
595 pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n",
596 priv->isr_stats.ctkill);
597
598 pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n",
599 priv->isr_stats.wakeup);
600
601 pos += scnprintf(buf + pos, bufsz - pos,
602 "Rx command responses:\t\t %u\n",
603 priv->isr_stats.rx);
604 for (cnt = 0; cnt < REPLY_MAX; cnt++) {
605 if (priv->isr_stats.rx_handlers[cnt] > 0)
606 pos += scnprintf(buf + pos, bufsz - pos,
607 "\tRx handler[%36s]:\t\t %u\n",
608 get_cmd_string(cnt),
609 priv->isr_stats.rx_handlers[cnt]);
610 }
611
612 pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n",
613 priv->isr_stats.tx);
614
615 pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n",
616 priv->isr_stats.unhandled);
617
618 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
619 kfree(buf);
620 return ret;
621}
622
623static ssize_t iwl_dbgfs_interrupt_write(struct file *file,
624 const char __user *user_buf,
625 size_t count, loff_t *ppos)
626{
627 struct iwl_priv *priv = file->private_data;
628 char buf[8];
629 int buf_size;
630 u32 reset_flag;
631
632 memset(buf, 0, sizeof(buf));
633 buf_size = min(count, sizeof(buf) - 1);
634 if (copy_from_user(buf, user_buf, buf_size))
635 return -EFAULT;
636 if (sscanf(buf, "%x", &reset_flag) != 1)
637 return -EFAULT;
638 if (reset_flag == 0)
639 iwl_clear_isr_stats(priv);
640
641 return count;
642}
643
f5ad69fa
WYG		 644static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
645 size_t count, loff_t *ppos)
646{
28f63a4b 647 struct iwl_priv *priv = file->private_data;
8dfdb9d5 648 struct iwl_rxon_context *ctx;
f5ad69fa 649 int pos = 0, i;
8dfdb9d5 650 char buf[256 * NUM_IWL_RXON_CTX];
f5ad69fa 651 const size_t bufsz = sizeof(buf);
f5ad69fa 652
8dfdb9d5
JB		 653 for_each_context(priv, ctx) {
654 pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n",
655 ctx->ctxid);
656 for (i = 0; i < AC_NUM; i++) {
657 pos += scnprintf(buf + pos, bufsz - pos,
658 "\tcw_min\tcw_max\taifsn\ttxop\n");
659 pos += scnprintf(buf + pos, bufsz - pos,
f5ad69fa 660 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
8dfdb9d5
JB		 661 ctx->qos_data.def_qos_parm.ac[i].cw_min,
662 ctx->qos_data.def_qos_parm.ac[i].cw_max,
663 ctx->qos_data.def_qos_parm.ac[i].aifsn,
664 ctx->qos_data.def_qos_parm.ac[i].edca_txop);
665 }
666 pos += scnprintf(buf + pos, bufsz - pos, "\n");
f5ad69fa 667 }
4967c316 668 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
f5ad69fa 669}
a83b9141 670
a283c011
WYG		 671static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf,
672 size_t count, loff_t *ppos)
673{
28f63a4b 674 struct iwl_priv *priv = file->private_data;
a283c011
WYG		 675 int pos = 0;
676 char buf[256];
677 const size_t bufsz = sizeof(buf);
a283c011
WYG		 678
679 pos += scnprintf(buf + pos, bufsz - pos,
680 "allow blinking: %s\n",
681 (priv->allow_blinking) ? "True" : "False");
682 if (priv->allow_blinking) {
683 pos += scnprintf(buf + pos, bufsz - pos,
684 "Led blinking rate: %u\n",
685 priv->last_blink_rate);
686 pos += scnprintf(buf + pos, bufsz - pos,
687 "Last blink time: %lu\n",
688 priv->last_blink_time);
689 }
690
4967c316 691 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
a283c011 692}
a283c011 693
fbf3a2af
WYG		 694static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
695 char __user *user_buf,
696 size_t count, loff_t *ppos)
697{
28f63a4b 698 struct iwl_priv *priv = file->private_data;
3ad3b92a 699 struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
fbf3a2af
WYG		 700 struct iwl_tt_restriction *restriction;
701 char buf[100];
702 int pos = 0;
703 const size_t bufsz = sizeof(buf);
fbf3a2af
WYG		 704
705 pos += scnprintf(buf + pos, bufsz - pos,
706 "Thermal Throttling Mode: %s\n",
3ad3b92a 707 tt->advanced_tt ? "Advance" : "Legacy");
fbf3a2af
WYG		 708 pos += scnprintf(buf + pos, bufsz - pos,
709 "Thermal Throttling State: %d\n",
710 tt->state);
3ad3b92a 711 if (tt->advanced_tt) {
fbf3a2af
WYG		 712 restriction = tt->restriction + tt->state;
713 pos += scnprintf(buf + pos, bufsz - pos,
714 "Tx mode: %d\n",
715 restriction->tx_stream);
716 pos += scnprintf(buf + pos, bufsz - pos,
717 "Rx mode: %d\n",
718 restriction->rx_stream);
719 pos += scnprintf(buf + pos, bufsz - pos,
720 "HT mode: %d\n",
721 restriction->is_ht);
722 }
4967c316 723 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
fbf3a2af
WYG		 724}
725
1e4247d4
WYG		 726static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
727 const char __user *user_buf,
728 size_t count, loff_t *ppos)
729{
730 struct iwl_priv *priv = file->private_data;
731 char buf[8];
732 int buf_size;
733 int ht40;
734
735 memset(buf, 0, sizeof(buf));
736 buf_size = min(count, sizeof(buf) - 1);
737 if (copy_from_user(buf, user_buf, buf_size))
738 return -EFAULT;
739 if (sscanf(buf, "%d", &ht40) != 1)
740 return -EFAULT;
246ed355 741 if (!iwl_is_any_associated(priv))
1e4247d4
WYG		 742 priv->disable_ht40 = ht40 ? true : false;
743 else {
744 IWL_ERR(priv, "Sta associated with AP - "
745 "Change to 40MHz channel support is not allowed\n");
746 return -EINVAL;
747 }
748
749 return count;
750}
751
752static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
753 char __user *user_buf,
754 size_t count, loff_t *ppos)
755{
28f63a4b 756 struct iwl_priv *priv = file->private_data;
1e4247d4
WYG		 757 char buf[100];
758 int pos = 0;
759 const size_t bufsz = sizeof(buf);
1e4247d4
WYG		 760
761 pos += scnprintf(buf + pos, bufsz - pos,
762 "11n 40MHz Mode: %s\n",
763 priv->disable_ht40 ? "Disabled" : "Enabled");
4967c316 764 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1e4247d4
WYG		 765}
766
e312c24c
JB		 767static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
768 const char __user *user_buf,
769 size_t count, loff_t *ppos)
770{
771 struct iwl_priv *priv = file->private_data;
772 char buf[8];
773 int buf_size;
774 int value;
775
776 memset(buf, 0, sizeof(buf));
777 buf_size = min(count, sizeof(buf) - 1);
778 if (copy_from_user(buf, user_buf, buf_size))
779 return -EFAULT;
780
781 if (sscanf(buf, "%d", &value) != 1)
782 return -EINVAL;
783
784 /*
785 * Our users expect 0 to be "CAM", but 0 isn't actually
786 * valid here. However, let's not confuse them and present
787 * IWL_POWER_INDEX_1 as "1", not "0".
788 */
1a34c043
RC		 789 if (value == 0)
790 return -EINVAL;
791 else if (value > 0)
e312c24c
JB		 792 value -= 1;
793
794 if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
795 return -EINVAL;
796
4ad177b5
WYG		 797 if (!iwl_is_ready_rf(priv))
798 return -EAGAIN;
799
e312c24c
JB		 800 priv->power_data.debug_sleep_level_override = value;
801
d3a57197 802 mutex_lock(&priv->mutex);
4ad177b5 803 iwl_power_update_mode(priv, true);
d3a57197 804 mutex_unlock(&priv->mutex);
e312c24c
JB		 805
806 return count;
807}
808
809static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
810 char __user *user_buf,
811 size_t count, loff_t *ppos)
812{
28f63a4b 813 struct iwl_priv *priv = file->private_data;
e312c24c
JB		 814 char buf[10];
815 int pos, value;
816 const size_t bufsz = sizeof(buf);
817
818 /* see the write function */
819 value = priv->power_data.debug_sleep_level_override;
820 if (value >= 0)
821 value += 1;
822
823 pos = scnprintf(buf, bufsz, "%d\n", value);
824 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
825}
826
827static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
828 char __user *user_buf,
829 size_t count, loff_t *ppos)
830{
28f63a4b 831 struct iwl_priv *priv = file->private_data;
e312c24c
JB		 832 char buf[200];
833 int pos = 0, i;
834 const size_t bufsz = sizeof(buf);
835 struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
836
837 pos += scnprintf(buf + pos, bufsz - pos,
838 "flags: %#.2x\n", le16_to_cpu(cmd->flags));
839 pos += scnprintf(buf + pos, bufsz - pos,
840 "RX/TX timeout: %d/%d usec\n",
841 le32_to_cpu(cmd->rx_data_timeout),
842 le32_to_cpu(cmd->tx_data_timeout));
843 for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
844 pos += scnprintf(buf + pos, bufsz - pos,
845 "sleep_interval[%d]: %d\n", i,
846 le32_to_cpu(cmd->sleep_interval[i]));
847
848 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
849}
850
712b6cf5 851DEBUGFS_READ_WRITE_FILE_OPS(sram);
b03d7d0f 852DEBUGFS_READ_WRITE_FILE_OPS(log_event);
0848e297 853DEBUGFS_READ_FILE_OPS(nvm);
712b6cf5 854DEBUGFS_READ_FILE_OPS(stations);
d366df5a 855DEBUGFS_READ_FILE_OPS(channels);
08df05aa 856DEBUGFS_READ_FILE_OPS(status);
a83b9141 857DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
f5ad69fa 858DEBUGFS_READ_FILE_OPS(qos);
a283c011 859DEBUGFS_READ_FILE_OPS(led);
fbf3a2af 860DEBUGFS_READ_FILE_OPS(thermal_throttling);
1e4247d4 861DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
e312c24c
JB		 862DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
863DEBUGFS_READ_FILE_OPS(current_sleep_command);
712b6cf5 864
20594eb0
WYG		 865static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
866 char __user *user_buf,
867 size_t count, loff_t *ppos)
868{
869 struct iwl_priv *priv = file->private_data;
870 int pos = 0, ofs = 0;
871 int cnt = 0, entry;
872 struct iwl_tx_queue *txq;
873 struct iwl_queue *q;
874 struct iwl_rx_queue *rxq = &priv->rxq;
875 char *buf;
876 int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
7cb1b088 877 (priv->cfg->base_params->num_of_queues * 32 * 8) + 400;
20594eb0
WYG		 878 const u8 *ptr;
879 ssize_t ret;
880
88804e2b
WYG		 881 if (!priv->txq) {
882 IWL_ERR(priv, "txq not ready\n");
883 return -EAGAIN;
884 }
20594eb0
WYG		 885 buf = kzalloc(bufsz, GFP_KERNEL);
886 if (!buf) {
887 IWL_ERR(priv, "Can not allocate buffer\n");
888 return -ENOMEM;
889 }
890 pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n");
891 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
892 txq = &priv->txq[cnt];
893 q = &txq->q;
894 pos += scnprintf(buf + pos, bufsz - pos,
895 "q[%d]: read_ptr: %u, write_ptr: %u\n",
896 cnt, q->read_ptr, q->write_ptr);
897 }
898 if (priv->tx_traffic && (iwl_debug_level & IWL_DL_TX)) {
899 ptr = priv->tx_traffic;
900 pos += scnprintf(buf + pos, bufsz - pos,
901 "Tx Traffic idx: %u\n", priv->tx_traffic_idx);
902 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
903 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
904 entry++, ofs += 16) {
905 pos += scnprintf(buf + pos, bufsz - pos,
906 "0x%.4x ", ofs);
907 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
908 buf + pos, bufsz - pos, 0);
2fac9717 909 pos += strlen(buf + pos);
20594eb0
WYG		 910 if (bufsz - pos > 0)
911 buf[pos++] = '\n';
912 }
913 }
914 }
915
916 pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n");
917 pos += scnprintf(buf + pos, bufsz - pos,
918 "read: %u, write: %u\n",
919 rxq->read, rxq->write);
920
921 if (priv->rx_traffic && (iwl_debug_level & IWL_DL_RX)) {
922 ptr = priv->rx_traffic;
923 pos += scnprintf(buf + pos, bufsz - pos,
924 "Rx Traffic idx: %u\n", priv->rx_traffic_idx);
925 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
926 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
927 entry++, ofs += 16) {
928 pos += scnprintf(buf + pos, bufsz - pos,
929 "0x%.4x ", ofs);
930 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
931 buf + pos, bufsz - pos, 0);
2fac9717 932 pos += strlen(buf + pos);
20594eb0
WYG		 933 if (bufsz - pos > 0)
934 buf[pos++] = '\n';
935 }
936 }
937 }
938
939 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
940 kfree(buf);
941 return ret;
942}
943
944static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
945 const char __user *user_buf,
946 size_t count, loff_t *ppos)
947{
948 struct iwl_priv *priv = file->private_data;
949 char buf[8];
950 int buf_size;
951 int traffic_log;
952
953 memset(buf, 0, sizeof(buf));
954 buf_size = min(count, sizeof(buf) - 1);
955 if (copy_from_user(buf, user_buf, buf_size))
956 return -EFAULT;
957 if (sscanf(buf, "%d", &traffic_log) != 1)
958 return -EFAULT;
959 if (traffic_log == 0)
960 iwl_reset_traffic_log(priv);
961
962 return count;
963}
964
141b03e0
WYG		 965static ssize_t iwl_dbgfs_tx_queue_read(struct file *file,
966 char __user *user_buf,
967 size_t count, loff_t *ppos) {
968
28f63a4b 969 struct iwl_priv *priv = file->private_data;
141b03e0
WYG		 970 struct iwl_tx_queue *txq;
971 struct iwl_queue *q;
972 char *buf;
973 int pos = 0;
974 int cnt;
975 int ret;
7cb1b088
WYG		 976 const size_t bufsz = sizeof(char) * 64 *
977 priv->cfg->base_params->num_of_queues;
141b03e0 978
88804e2b
WYG		 979 if (!priv->txq) {
980 IWL_ERR(priv, "txq not ready\n");
981 return -EAGAIN;
982 }
141b03e0
WYG		 983 buf = kzalloc(bufsz, GFP_KERNEL);
984 if (!buf)
985 return -ENOMEM;
986
987 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
988 txq = &priv->txq[cnt];
989 q = &txq->q;
990 pos += scnprintf(buf + pos, bufsz - pos,
991 "hwq %.2d: read=%u write=%u stop=%d"
992 " swq_id=%#.2x (ac %d/hwq %d)\n",
993 cnt, q->read_ptr, q->write_ptr,
994 !!test_bit(cnt, priv->queue_stopped),
995 txq->swq_id,
996 txq->swq_id & 0x80 ? txq->swq_id & 3 :
997 txq->swq_id,
998 txq->swq_id & 0x80 ? (txq->swq_id >> 2) &
999 0x1f : txq->swq_id);
1000 if (cnt >= 4)
1001 continue;
1002 /* for the ACs, display the stop count too */
1003 pos += scnprintf(buf + pos, bufsz - pos,
1004 " stop-count: %d\n",
1005 atomic_read(&priv->queue_stop_count[cnt]));
1006 }
1007 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1008 kfree(buf);
1009 return ret;
1010}
1011
1012static ssize_t iwl_dbgfs_rx_queue_read(struct file *file,
1013 char __user *user_buf,
1014 size_t count, loff_t *ppos) {
1015
28f63a4b 1016 struct iwl_priv *priv = file->private_data;
141b03e0
WYG		 1017 struct iwl_rx_queue *rxq = &priv->rxq;
1018 char buf[256];
1019 int pos = 0;
1020 const size_t bufsz = sizeof(buf);
1021
1022 pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n",
1023 rxq->read);
1024 pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n",
1025 rxq->write);
1026 pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n",
1027 rxq->free_count);
f5cc6a22
DS		 1028 if (rxq->rb_stts) {
1029 pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n",
141b03e0 1030 le16_to_cpu(rxq->rb_stts->closed_rb_num) & 0x0FFF);
f5cc6a22
DS		 1031 } else {
1032 pos += scnprintf(buf + pos, bufsz - pos,
1033 "closed_rb_num: Not Allocated\n");
1034 }
141b03e0
WYG		 1035 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1036}
1037
e8fe59ae
WYG		 1038static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
1039 char __user *user_buf,
1040 size_t count, loff_t *ppos)
1041{
28f63a4b 1042 struct iwl_priv *priv = file->private_data;
17f36fc6
AK		 1043 return priv->cfg->ops->lib->debugfs_ops.rx_stats_read(file,
1044 user_buf, count, ppos);
e8fe59ae
WYG		 1045}
1046
1047static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
1048 char __user *user_buf,
1049 size_t count, loff_t *ppos)
1050{
28f63a4b 1051 struct iwl_priv *priv = file->private_data;
17f36fc6
AK		 1052 return priv->cfg->ops->lib->debugfs_ops.tx_stats_read(file,
1053 user_buf, count, ppos);
e8fe59ae
WYG		 1054}
1055
1056static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1057 char __user *user_buf,
1058 size_t count, loff_t *ppos)
1059{
28f63a4b 1060 struct iwl_priv *priv = file->private_data;
17f36fc6
AK		 1061 return priv->cfg->ops->lib->debugfs_ops.general_stats_read(file,
1062 user_buf, count, ppos);
e8fe59ae
WYG		 1063}
1064
5225935b
WYG		 1065static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
1066 char __user *user_buf,
1067 size_t count, loff_t *ppos) {
1068
28f63a4b 1069 struct iwl_priv *priv = file->private_data;
5225935b
WYG		 1070 int pos = 0;
1071 int cnt = 0;
1072 char *buf;
1073 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
1074 ssize_t ret;
1075 struct iwl_sensitivity_data *data;
1076
1077 data = &priv->sensitivity_data;
1078 buf = kzalloc(bufsz, GFP_KERNEL);
1079 if (!buf) {
1080 IWL_ERR(priv, "Can not allocate Buffer\n");
1081 return -ENOMEM;
1082 }
1083
1084 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
1085 data->auto_corr_ofdm);
1086 pos += scnprintf(buf + pos, bufsz - pos,
1087 "auto_corr_ofdm_mrc:\t\t %u\n",
1088 data->auto_corr_ofdm_mrc);
1089 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
1090 data->auto_corr_ofdm_x1);
1091 pos += scnprintf(buf + pos, bufsz - pos,
1092 "auto_corr_ofdm_mrc_x1:\t\t %u\n",
1093 data->auto_corr_ofdm_mrc_x1);
1094 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
1095 data->auto_corr_cck);
1096 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
1097 data->auto_corr_cck_mrc);
1098 pos += scnprintf(buf + pos, bufsz - pos,
1099 "last_bad_plcp_cnt_ofdm:\t\t %u\n",
1100 data->last_bad_plcp_cnt_ofdm);
1101 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
1102 data->last_fa_cnt_ofdm);
1103 pos += scnprintf(buf + pos, bufsz - pos,
1104 "last_bad_plcp_cnt_cck:\t\t %u\n",
1105 data->last_bad_plcp_cnt_cck);
1106 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
1107 data->last_fa_cnt_cck);
1108 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
1109 data->nrg_curr_state);
1110 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
1111 data->nrg_prev_state);
1112 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
1113 for (cnt = 0; cnt < 10; cnt++) {
1114 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1115 data->nrg_value[cnt]);
1116 }
1117 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1118 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
1119 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
1120 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1121 data->nrg_silence_rssi[cnt]);
1122 }
1123 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1124 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
1125 data->nrg_silence_ref);
1126 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
1127 data->nrg_energy_idx);
1128 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
1129 data->nrg_silence_idx);
1130 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
1131 data->nrg_th_cck);
1132 pos += scnprintf(buf + pos, bufsz - pos,
1133 "nrg_auto_corr_silence_diff:\t %u\n",
1134 data->nrg_auto_corr_silence_diff);
1135 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
1136 data->num_in_cck_no_fa);
1137 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
1138 data->nrg_th_ofdm);
1139
1140 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1141 kfree(buf);
1142 return ret;
1143}
1144
1145
1146static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
1147 char __user *user_buf,
1148 size_t count, loff_t *ppos) {
1149
28f63a4b 1150 struct iwl_priv *priv = file->private_data;
5225935b
WYG		 1151 int pos = 0;
1152 int cnt = 0;
1153 char *buf;
1154 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
1155 ssize_t ret;
1156 struct iwl_chain_noise_data *data;
1157
1158 data = &priv->chain_noise_data;
1159 buf = kzalloc(bufsz, GFP_KERNEL);
1160 if (!buf) {
1161 IWL_ERR(priv, "Can not allocate Buffer\n");
1162 return -ENOMEM;
1163 }
1164
1165 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
1166 data->active_chains);
1167 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
1168 data->chain_noise_a);
1169 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
1170 data->chain_noise_b);
1171 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
1172 data->chain_noise_c);
1173 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
1174 data->chain_signal_a);
1175 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
1176 data->chain_signal_b);
1177 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
1178 data->chain_signal_c);
1179 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
1180 data->beacon_count);
1181
1182 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
1183 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1184 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1185 data->disconn_array[cnt]);
1186 }
1187 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1188 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
1189 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1190 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1191 data->delta_gain_code[cnt]);
1192 }
1193 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1194 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
1195 data->radio_write);
1196 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
1197 data->state);
1198
1199 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1200 kfree(buf);
1201 return ret;
1202}
1203
c09430ab
WYG		 1204static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
1205 char __user *user_buf,
1206 size_t count, loff_t *ppos)
1207{
28f63a4b 1208 struct iwl_priv *priv = file->private_data;
c09430ab
WYG		 1209 char buf[60];
1210 int pos = 0;
1211 const size_t bufsz = sizeof(buf);
1212 u32 pwrsave_status;
1213
1214 pwrsave_status = iwl_read32(priv, CSR_GP_CNTRL) &
1215 CSR_GP_REG_POWER_SAVE_STATUS_MSK;
1216
1217 pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: ");
1218 pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
1219 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" :
1220 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" :
1221 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" :
1222 "error");
1223
1224 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1225}
1226
7163b8a4 1227static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
ef8d5529
WYG		 1228 const char __user *user_buf,
1229 size_t count, loff_t *ppos)
1230{
1231 struct iwl_priv *priv = file->private_data;
1232 char buf[8];
1233 int buf_size;
1234 int clear;
1235
1236 memset(buf, 0, sizeof(buf));
1237 buf_size = min(count, sizeof(buf) - 1);
1238 if (copy_from_user(buf, user_buf, buf_size))
1239 return -EFAULT;
1240 if (sscanf(buf, "%d", &clear) != 1)
1241 return -EFAULT;
1242
1243 /* make request to uCode to retrieve statistics information */
1244 mutex_lock(&priv->mutex);
1245 iwl_send_statistics_request(priv, CMD_SYNC, true);
1246 mutex_unlock(&priv->mutex);
1247
1248 return count;
1249}
1250
696bdee3
WYG		 1251static ssize_t iwl_dbgfs_csr_write(struct file *file,
1252 const char __user *user_buf,
1253 size_t count, loff_t *ppos)
1254{
1255 struct iwl_priv *priv = file->private_data;
1256 char buf[8];
1257 int buf_size;
1258 int csr;
1259
1260 memset(buf, 0, sizeof(buf));
1261 buf_size = min(count, sizeof(buf) - 1);
1262 if (copy_from_user(buf, user_buf, buf_size))
1263 return -EFAULT;
1264 if (sscanf(buf, "%d", &csr) != 1)
1265 return -EFAULT;
1266
1267 if (priv->cfg->ops->lib->dump_csr)
1268 priv->cfg->ops->lib->dump_csr(priv);
1269
1270 return count;
1271}
1272
a9e1cb6a
WYG		 1273static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file,
1274 char __user *user_buf,
1275 size_t count, loff_t *ppos) {
1276
57674308 1277 struct iwl_priv *priv = file->private_data;
a9e1cb6a
WYG		 1278 int pos = 0;
1279 char buf[128];
1280 const size_t bufsz = sizeof(buf);
a9e1cb6a
WYG		 1281
1282 pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n",
1283 priv->event_log.ucode_trace ? "On" : "Off");
1284 pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n",
1285 priv->event_log.non_wraps_count);
1286 pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n",
1287 priv->event_log.wraps_once_count);
1288 pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n",
1289 priv->event_log.wraps_more_count);
1290
4967c316 1291 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
a9e1cb6a
WYG		 1292}
1293
1294static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file,
1295 const char __user *user_buf,
1296 size_t count, loff_t *ppos)
1297{
1298 struct iwl_priv *priv = file->private_data;
1299 char buf[8];
1300 int buf_size;
1301 int trace;
1302
1303 memset(buf, 0, sizeof(buf));
1304 buf_size = min(count, sizeof(buf) - 1);
1305 if (copy_from_user(buf, user_buf, buf_size))
1306 return -EFAULT;
1307 if (sscanf(buf, "%d", &trace) != 1)
1308 return -EFAULT;
1309
1310 if (trace) {
1311 priv->event_log.ucode_trace = true;
1312 /* schedule the ucode timer to occur in UCODE_TRACE_PERIOD */
1313 mod_timer(&priv->ucode_trace,
1314 jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD));
1315 } else {
1316 priv->event_log.ucode_trace = false;
1317 del_timer_sync(&priv->ucode_trace);
1318 }
1319
1320 return count;
1321}
1322
60987206
JB		 1323static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file,
1324 char __user *user_buf,
1325 size_t count, loff_t *ppos) {
1326
57674308 1327 struct iwl_priv *priv = file->private_data;
60987206
JB		 1328 int len = 0;
1329 char buf[20];
1330
246ed355
JB		 1331 len = sprintf(buf, "0x%04X\n",
1332 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags));
60987206
JB		 1333 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1334}
1335
1336static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file,
1337 char __user *user_buf,
1338 size_t count, loff_t *ppos) {
1339
57674308 1340 struct iwl_priv *priv = file->private_data;
60987206
JB		 1341 int len = 0;
1342 char buf[20];
1343
1344 len = sprintf(buf, "0x%04X\n",
246ed355 1345 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags));
60987206
JB		 1346 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1347}
1348
1b3eb823
WYG		 1349static ssize_t iwl_dbgfs_fh_reg_read(struct file *file,
1350 char __user *user_buf,
1351 size_t count, loff_t *ppos)
1352{
57674308 1353 struct iwl_priv *priv = file->private_data;
1b3eb823
WYG		 1354 char *buf;
1355 int pos = 0;
1356 ssize_t ret = -EFAULT;
1357
1358 if (priv->cfg->ops->lib->dump_fh) {
1359 ret = pos = priv->cfg->ops->lib->dump_fh(priv, &buf, true);
1360 if (buf) {
1361 ret = simple_read_from_buffer(user_buf,
1362 count, ppos, buf, pos);
1363 kfree(buf);
1364 }
1365 }
1366
1367 return ret;
1368}
1369
a13d276f
WYG		 1370static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file,
1371 char __user *user_buf,
1372 size_t count, loff_t *ppos) {
1373
1374 struct iwl_priv *priv = file->private_data;
1375 int pos = 0;
1376 char buf[12];
1377 const size_t bufsz = sizeof(buf);
a13d276f
WYG		 1378
1379 pos += scnprintf(buf + pos, bufsz - pos, "%d\n",
1380 priv->missed_beacon_threshold);
1381
4967c316 1382 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
a13d276f
WYG		 1383}
1384
1385static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file,
1386 const char __user *user_buf,
1387 size_t count, loff_t *ppos)
1388{
1389 struct iwl_priv *priv = file->private_data;
1390 char buf[8];
1391 int buf_size;
1392 int missed;
1393
1394 memset(buf, 0, sizeof(buf));
1395 buf_size = min(count, sizeof(buf) - 1);
1396 if (copy_from_user(buf, user_buf, buf_size))
1397 return -EFAULT;
1398 if (sscanf(buf, "%d", &missed) != 1)
1399 return -EINVAL;
1400
1401 if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN ||
1402 missed > IWL_MISSED_BEACON_THRESHOLD_MAX)
1403 priv->missed_beacon_threshold =
1404 IWL_MISSED_BEACON_THRESHOLD_DEF;
1405 else
1406 priv->missed_beacon_threshold = missed;
1407
1408 return count;
1409}
1410
3e4fb5fa
TAN		 1411static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file,
1412 char __user *user_buf,
1413 size_t count, loff_t *ppos) {
1414
57674308 1415 struct iwl_priv *priv = file->private_data;
3e4fb5fa
TAN		 1416 int pos = 0;
1417 char buf[12];
1418 const size_t bufsz = sizeof(buf);
3e4fb5fa
TAN		 1419
1420 pos += scnprintf(buf + pos, bufsz - pos, "%u\n",
7cb1b088 1421 priv->cfg->base_params->plcp_delta_threshold);
3e4fb5fa 1422
4967c316 1423 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
3e4fb5fa
TAN		 1424}
1425
1426static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file,
1427 const char __user *user_buf,
1428 size_t count, loff_t *ppos) {
1429
1430 struct iwl_priv *priv = file->private_data;
1431 char buf[8];
1432 int buf_size;
1433 int plcp;
1434
1435 memset(buf, 0, sizeof(buf));
1436 buf_size = min(count, sizeof(buf) - 1);
1437 if (copy_from_user(buf, user_buf, buf_size))
1438 return -EFAULT;
1439 if (sscanf(buf, "%d", &plcp) != 1)
1440 return -EINVAL;
680788ac 1441 if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) ||
3e4fb5fa 1442 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX))
7cb1b088 1443 priv->cfg->base_params->plcp_delta_threshold =
680788ac 1444 IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE;
3e4fb5fa 1445 else
7cb1b088 1446 priv->cfg->base_params->plcp_delta_threshold = plcp;
3e4fb5fa
TAN		 1447 return count;
1448}
1449
528c3126
WYG		 1450static ssize_t iwl_dbgfs_force_reset_read(struct file *file,
1451 char __user *user_buf,
1452 size_t count, loff_t *ppos) {
1453
1454 struct iwl_priv *priv = file->private_data;
1455 int i, pos = 0;
1456 char buf[300];
1457 const size_t bufsz = sizeof(buf);
1458 struct iwl_force_reset *force_reset;
1459
1460 for (i = 0; i < IWL_MAX_FORCE_RESET; i++) {
1461 force_reset = &priv->force_reset[i];
1462 pos += scnprintf(buf + pos, bufsz - pos,
1463 "Force reset method %d\n", i);
1464 pos += scnprintf(buf + pos, bufsz - pos,
1465 "\tnumber of reset request: %d\n",
1466 force_reset->reset_request_count);
1467 pos += scnprintf(buf + pos, bufsz - pos,
1468 "\tnumber of reset request success: %d\n",
1469 force_reset->reset_success_count);
1470 pos += scnprintf(buf + pos, bufsz - pos,
1471 "\tnumber of reset request reject: %d\n",
1472 force_reset->reset_reject_count);
1473 pos += scnprintf(buf + pos, bufsz - pos,
1474 "\treset duration: %lu\n",
1475 force_reset->reset_duration);
1476 }
1477 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1478}
1479
04cafd7f
WYG		 1480static ssize_t iwl_dbgfs_force_reset_write(struct file *file,
1481 const char __user *user_buf,
1482 size_t count, loff_t *ppos) {
1483
1484 struct iwl_priv *priv = file->private_data;
1485 char buf[8];
1486 int buf_size;
1487 int reset, ret;
1488
1489 memset(buf, 0, sizeof(buf));
1490 buf_size = min(count, sizeof(buf) - 1);
1491 if (copy_from_user(buf, user_buf, buf_size))
1492 return -EFAULT;
1493 if (sscanf(buf, "%d", &reset) != 1)
1494 return -EINVAL;
1495 switch (reset) {
1496 case IWL_RF_RESET:
1497 case IWL_FW_RESET:
c04f9f22 1498 ret = iwl_force_reset(priv, reset, true);
04cafd7f
WYG		 1499 break;
1500 default:
1501 return -EINVAL;
1502 }
1503 return ret ? ret : count;
1504}
1505
4bf49a90
WYG		 1506static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file,
1507 const char __user *user_buf,
1508 size_t count, loff_t *ppos) {
1509
1510 struct iwl_priv *priv = file->private_data;
1511 char buf[8];
1512 int buf_size;
1513 int flush;
1514
1515 memset(buf, 0, sizeof(buf));
1516 buf_size = min(count, sizeof(buf) - 1);
1517 if (copy_from_user(buf, user_buf, buf_size))
1518 return -EFAULT;
1519 if (sscanf(buf, "%d", &flush) != 1)
1520 return -EINVAL;
1521
1522 if (iwl_is_rfkill(priv))
1523 return -EFAULT;
1524
1525 priv->cfg->ops->lib->dev_txfifo_flush(priv, IWL_DROP_ALL);
1526
1527 return count;
1528}
1529
ffb7d896
WYG		 1530static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file,
1531 char __user *user_buf,
1532 size_t count, loff_t *ppos)
1533{
1534 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1535
1536 return priv->cfg->ops->lib->debugfs_ops.bt_stats_read(file,
1537 user_buf, count, ppos);
1538}
1539
7bdc473c
WYG		 1540static ssize_t iwl_dbgfs_monitor_period_write(struct file *file,
1541 const char __user *user_buf,
1542 size_t count, loff_t *ppos) {
1543
1544 struct iwl_priv *priv = file->private_data;
1545 char buf[8];
1546 int buf_size;
1547 int period;
1548
1549 memset(buf, 0, sizeof(buf));
1550 buf_size = min(count, sizeof(buf) - 1);
1551 if (copy_from_user(buf, user_buf, buf_size))
1552 return -EFAULT;
1553 if (sscanf(buf, "%d", &period) != 1)
1554 return -EINVAL;
1555 if (period < 0 || period > IWL_MAX_MONITORING_PERIOD)
7cb1b088
WYG		 1556 priv->cfg->base_params->monitor_recover_period =
1557 IWL_DEF_MONITORING_PERIOD;
7bdc473c 1558 else
7cb1b088 1559 priv->cfg->base_params->monitor_recover_period = period;
7bdc473c 1560
7cb1b088 1561 if (priv->cfg->base_params->monitor_recover_period)
7bdc473c 1562 mod_timer(&priv->monitor_recover, jiffies + msecs_to_jiffies(
7cb1b088 1563 priv->cfg->base_params->monitor_recover_period));
7bdc473c
WYG		 1564 else
1565 del_timer_sync(&priv->monitor_recover);
1566 return count;
1567}
1568
befe8c46
WYG		 1569static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file,
1570 char __user *user_buf,
1571 size_t count, loff_t *ppos) {
1572
1573 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1574 int pos = 0;
1575 char buf[200];
1576 const size_t bufsz = sizeof(buf);
1577 ssize_t ret;
1578
1579 pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n",
1580 priv->bt_full_concurrent ? "full concurrency" : "3-wire");
1581 pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, "
1582 "last traffic notif: %d\n",
1583 priv->bt_status ? "On" : "Off", priv->notif_bt_traffic_load);
1584 pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, "
1585 "sco_active: %d, kill_ack_mask: %x, "
1586 "kill_cts_mask: %x\n",
1587 priv->bt_ch_announce, priv->bt_sco_active,
1588 priv->kill_ack_mask, priv->kill_cts_mask);
1589
1590 pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: ");
1591 switch (priv->bt_traffic_load) {
1592 case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
1593 pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n");
1594 break;
1595 case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
1596 pos += scnprintf(buf + pos, bufsz - pos, "High\n");
1597 break;
1598 case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
1599 pos += scnprintf(buf + pos, bufsz - pos, "Low\n");
1600 break;
1601 case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
1602 default:
1603 pos += scnprintf(buf + pos, bufsz - pos, "None\n");
1604 break;
1605 }
1606
1607 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1608 return ret;
1609}
1610
c6abdc0d
WYG		 1611static ssize_t iwl_dbgfs_protection_mode_read(struct file *file,
1612 char __user *user_buf,
1613 size_t count, loff_t *ppos)
1614{
1615 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1616
1617 int pos = 0;
1618 char buf[40];
1619 const size_t bufsz = sizeof(buf);
1620
7cb1b088
WYG		 1621 if (priv->cfg->ht_params)
1622 pos += scnprintf(buf + pos, bufsz - pos,
1623 "use %s for aggregation\n",
1624 (priv->cfg->ht_params->use_rts_for_aggregation) ?
1625 "rts/cts" : "cts-to-self");
1626 else
1627 pos += scnprintf(buf + pos, bufsz - pos, "N/A");
1628
c6abdc0d
WYG		 1629 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1630}
1631
1632static ssize_t iwl_dbgfs_protection_mode_write(struct file *file,
1633 const char __user *user_buf,
1634 size_t count, loff_t *ppos) {
1635
1636 struct iwl_priv *priv = file->private_data;
1637 char buf[8];
1638 int buf_size;
1639 int rts;
1640
7cb1b088
WYG		 1641 if (!priv->cfg->ht_params)
1642 return -EINVAL;
1643
c6abdc0d
WYG		 1644 memset(buf, 0, sizeof(buf));
1645 buf_size = min(count, sizeof(buf) - 1);
1646 if (copy_from_user(buf, user_buf, buf_size))
1647 return -EFAULT;
1648 if (sscanf(buf, "%d", &rts) != 1)
1649 return -EINVAL;
1650 if (rts)
7cb1b088 1651 priv->cfg->ht_params->use_rts_for_aggregation = true;
c6abdc0d 1652 else
7cb1b088 1653 priv->cfg->ht_params->use_rts_for_aggregation = false;
c6abdc0d
WYG		 1654 return count;
1655}
1656
54a9aa65
WYG		 1657static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file,
1658 char __user *user_buf,
1659 size_t count, loff_t *ppos)
1660{
1661 struct iwl_priv *priv = file->private_data;
1662
1663 if (priv->cfg->ops->lib->debugfs_ops.reply_tx_error)
1664 return priv->cfg->ops->lib->debugfs_ops.reply_tx_error(
1665 file, user_buf, count, ppos);
1666 else
1667 return -ENODATA;
1668}
7163b8a4
WYG		 1669DEBUGFS_READ_FILE_OPS(rx_statistics);
1670DEBUGFS_READ_FILE_OPS(tx_statistics);
20594eb0 1671DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
141b03e0
WYG		 1672DEBUGFS_READ_FILE_OPS(rx_queue);
1673DEBUGFS_READ_FILE_OPS(tx_queue);
e8fe59ae
WYG		 1674DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
1675DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
1676DEBUGFS_READ_FILE_OPS(ucode_general_stats);
5225935b
WYG		 1677DEBUGFS_READ_FILE_OPS(sensitivity);
1678DEBUGFS_READ_FILE_OPS(chain_noise);
c09430ab 1679DEBUGFS_READ_FILE_OPS(power_save_status);
7163b8a4
WYG		 1680DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
1681DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics);
696bdee3 1682DEBUGFS_WRITE_FILE_OPS(csr);
a9e1cb6a 1683DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing);
1b3eb823 1684DEBUGFS_READ_FILE_OPS(fh_reg);
a13d276f 1685DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon);
3e4fb5fa 1686DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta);
528c3126 1687DEBUGFS_READ_WRITE_FILE_OPS(force_reset);
60987206
JB		 1688DEBUGFS_READ_FILE_OPS(rxon_flags);
1689DEBUGFS_READ_FILE_OPS(rxon_filter_flags);
4bf49a90 1690DEBUGFS_WRITE_FILE_OPS(txfifo_flush);
ffb7d896 1691DEBUGFS_READ_FILE_OPS(ucode_bt_stats);
7bdc473c 1692DEBUGFS_WRITE_FILE_OPS(monitor_period);
befe8c46 1693DEBUGFS_READ_FILE_OPS(bt_traffic);
c6abdc0d 1694DEBUGFS_READ_WRITE_FILE_OPS(protection_mode);
54a9aa65 1695DEBUGFS_READ_FILE_OPS(reply_tx_error);
20594eb0 1696
712b6cf5
TW		 1697/*
1698 * Create the debugfs files and directories
1699 *
1700 */
1701int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
1702{
95b1a822 1703 struct dentry *phyd = priv->hw->wiphy->debugfsdir;
4c84a8f1 1704 struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug;
712b6cf5 1705
4c84a8f1
JB		 1706 dir_drv = debugfs_create_dir(name, phyd);
1707 if (!dir_drv)
1708 return -ENOMEM;
712b6cf5 1709
4c84a8f1
JB		 1710 priv->debugfs_dir = dir_drv;
1711
1712 dir_data = debugfs_create_dir("data", dir_drv);
1713 if (!dir_data)
1714 goto err;
1715 dir_rf = debugfs_create_dir("rf", dir_drv);
1716 if (!dir_rf)
1717 goto err;
1718 dir_debug = debugfs_create_dir("debug", dir_drv);
1719 if (!dir_debug)
712b6cf5 1720 goto err;
712b6cf5 1721
4c84a8f1
JB		 1722 DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR);
1723 DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR);
1724 DEBUGFS_ADD_FILE(log_event, dir_data, S_IWUSR | S_IRUSR);
1725 DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR);
1726 DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR);
1727 DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR);
1728 DEBUGFS_ADD_FILE(interrupt, dir_data, S_IWUSR | S_IRUSR);
1729 DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR);
1730 DEBUGFS_ADD_FILE(led, dir_data, S_IRUSR);
7cb1b088 1731 if (!priv->cfg->base_params->broken_powersave) {
381733cc
WYG		 1732 DEBUGFS_ADD_FILE(sleep_level_override, dir_data,
1733 S_IWUSR | S_IRUSR);
1734 DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR);
1735 }
4c84a8f1
JB		 1736 DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR);
1737 DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR);
1738 DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR);
1739 DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR);
1740 DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR);
1741 DEBUGFS_ADD_FILE(rx_queue, dir_debug, S_IRUSR);
1742 DEBUGFS_ADD_FILE(tx_queue, dir_debug, S_IRUSR);
4c84a8f1
JB		 1743 DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR);
1744 DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR);
1745 DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR);
1746 DEBUGFS_ADD_FILE(csr, dir_debug, S_IWUSR);
1747 DEBUGFS_ADD_FILE(fh_reg, dir_debug, S_IRUSR);
1748 DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR);
4c84a8f1 1749 DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR);
528c3126 1750 DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR);
b8c76267
AK		 1751 DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR);
1752 DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR);
1753 DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR);
4bf49a90
WYG		 1754 if (priv->cfg->ops->lib->dev_txfifo_flush)
1755 DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, S_IWUSR);
c6abdc0d 1756 DEBUGFS_ADD_FILE(protection_mode, dir_debug, S_IWUSR | S_IRUSR);
b8c76267 1757
7cb1b088 1758 if (priv->cfg->base_params->sensitivity_calib_by_driver)
4c84a8f1 1759 DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR);
7cb1b088 1760 if (priv->cfg->base_params->chain_noise_calib_by_driver)
4c84a8f1 1761 DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR);
7cb1b088 1762 if (priv->cfg->base_params->ucode_tracing)
4c84a8f1 1763 DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR);
7cb1b088 1764 if (priv->cfg->bt_params && priv->cfg->bt_params->bt_statistics)
ffb7d896 1765 DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, S_IRUSR);
54a9aa65 1766 DEBUGFS_ADD_FILE(reply_tx_error, dir_debug, S_IRUSR);
60987206
JB		 1767 DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR);
1768 DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR);
7bdc473c 1769 DEBUGFS_ADD_FILE(monitor_period, dir_debug, S_IWUSR);
7cb1b088 1770 if (priv->cfg->bt_params && priv->cfg->bt_params->advanced_bt_coexist)
befe8c46 1771 DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);
7cb1b088 1772 if (priv->cfg->base_params->sensitivity_calib_by_driver)
65d1f896
WYG		 1773 DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf,
1774 &priv->disable_sens_cal);
7cb1b088 1775 if (priv->cfg->base_params->chain_noise_calib_by_driver)
65d1f896
WYG		 1776 DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf,
1777 &priv->disable_chain_noise_cal);
7cb1b088 1778 if (priv->cfg->base_params->tx_power_by_driver)
4c84a8f1 1779 DEBUGFS_ADD_BOOL(disable_tx_power, dir_rf,
030b8655 1780 &priv->disable_tx_power_cal);
712b6cf5
TW		 1781 return 0;
1782
1783err:
4c84a8f1 1784 IWL_ERR(priv, "Can't create the debugfs directory\n");
712b6cf5 1785 iwl_dbgfs_unregister(priv);
4c84a8f1 1786 return -ENOMEM;
712b6cf5
TW		 1787}
1788EXPORT_SYMBOL(iwl_dbgfs_register);
1789
1790/**
1791 * Remove the debugfs files and directories
1792 *
1793 */
1794void iwl_dbgfs_unregister(struct iwl_priv *priv)
1795{
4c84a8f1 1796 if (!priv->debugfs_dir)
712b6cf5
TW		 1797 return;
1798
4c84a8f1
JB		 1799 debugfs_remove_recursive(priv->debugfs_dir);
1800 priv->debugfs_dir = NULL;
712b6cf5
TW		 1801}
1802EXPORT_SYMBOL(iwl_dbgfs_unregister);
1803
1804
445c2dff 1805
Linux kernel - Deliverables
This page took 0.92216 seconds and 5 git commands to generate.