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iwlwifi: set read/write permission for debugfs files
[deliverable/linux.git] / drivers / net / wireless / iwlwifi / iwl-debugfs.c
CommitLineData
712b6cf5
TW		 1/******************************************************************************
2 *
3 * GPL LICENSE SUMMARY
4 *
01f8162a 5 * Copyright(c) 2008 - 2009 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
29#include <linux/kernel.h>
30#include <linux/module.h>
31#include <linux/debugfs.h>
32
33#include <linux/ieee80211.h>
34#include <net/mac80211.h>
35
36
3e0d4cb1 37#include "iwl-dev.h"
712b6cf5 38#include "iwl-debug.h"
fee1247a 39#include "iwl-core.h"
3395f6e9 40#include "iwl-io.h"
5225935b 41#include "iwl-calib.h"
712b6cf5
TW		 42
43/* create and remove of files */
44#define DEBUGFS_ADD_DIR(name, parent) do { \
45 dbgfs->dir_##name = debugfs_create_dir(#name, parent); \
46 if (!(dbgfs->dir_##name)) \
47 goto err; \
48} while (0)
49
43e85115 50#define DEBUGFS_ADD_FILE(name, parent, mode) do { \
712b6cf5 51 dbgfs->dbgfs_##parent##_files.file_##name = \
43e85115 52 debugfs_create_file(#name, mode, \
fcf89d05 53 dbgfs->dir_##parent, priv, \
712b6cf5
TW		 54 &iwl_dbgfs_##name##_ops); \
55 if (!(dbgfs->dbgfs_##parent##_files.file_##name)) \
56 goto err; \
57} while (0)
58
445c2dff
TW		 59#define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \
60 dbgfs->dbgfs_##parent##_files.file_##name = \
fcf89d05
RC		 61 debugfs_create_bool(#name, S_IWUSR | S_IRUSR, \
62 dbgfs->dir_##parent, ptr); \
9b24001d
Z		 63 if (IS_ERR(dbgfs->dbgfs_##parent##_files.file_##name) \
64 || !dbgfs->dbgfs_##parent##_files.file_##name) \
445c2dff
TW		 65 goto err; \
66} while (0)
67
2ddfa129
WT		 68#define DEBUGFS_ADD_X32(name, parent, ptr) do { \
69 dbgfs->dbgfs_##parent##_files.file_##name = \
fcf89d05 70 debugfs_create_x32(#name, S_IRUSR, dbgfs->dir_##parent, ptr); \
2ddfa129
WT		 71 if (IS_ERR(dbgfs->dbgfs_##parent##_files.file_##name) \
72 || !dbgfs->dbgfs_##parent##_files.file_##name) \
73 goto err; \
74} while (0)
75
712b6cf5
TW		 76#define DEBUGFS_REMOVE(name) do { \
77 debugfs_remove(name); \
78 name = NULL; \
79} while (0);
80
81/* file operation */
82#define DEBUGFS_READ_FUNC(name) \
83static ssize_t iwl_dbgfs_##name##_read(struct file *file, \
84 char __user *user_buf, \
85 size_t count, loff_t *ppos);
86
87#define DEBUGFS_WRITE_FUNC(name) \
88static ssize_t iwl_dbgfs_##name##_write(struct file *file, \
89 const char __user *user_buf, \
90 size_t count, loff_t *ppos);
91
92
93static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file)
94{
95 file->private_data = inode->i_private;
96 return 0;
97}
98
99#define DEBUGFS_READ_FILE_OPS(name) \
100 DEBUGFS_READ_FUNC(name); \
101static const struct file_operations iwl_dbgfs_##name##_ops = { \
102 .read = iwl_dbgfs_##name##_read, \
103 .open = iwl_dbgfs_open_file_generic, \
104};
105
189a2b59
EK		 106#define DEBUGFS_WRITE_FILE_OPS(name) \
107 DEBUGFS_WRITE_FUNC(name); \
108static const struct file_operations iwl_dbgfs_##name##_ops = { \
109 .write = iwl_dbgfs_##name##_write, \
110 .open = iwl_dbgfs_open_file_generic, \
111};
112
113
712b6cf5
TW		 114#define DEBUGFS_READ_WRITE_FILE_OPS(name) \
115 DEBUGFS_READ_FUNC(name); \
116 DEBUGFS_WRITE_FUNC(name); \
117static const struct file_operations iwl_dbgfs_##name##_ops = { \
118 .write = iwl_dbgfs_##name##_write, \
119 .read = iwl_dbgfs_##name##_read, \
120 .open = iwl_dbgfs_open_file_generic, \
121};
122
123
124static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file,
125 char __user *user_buf,
126 size_t count, loff_t *ppos) {
127
128 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
22fdf3c9 129 char *buf;
712b6cf5
TW		 130 int pos = 0;
131
22fdf3c9
WYG		 132 int cnt;
133 ssize_t ret;
98a7b43b
WYG		 134 const size_t bufsz = 100 +
135 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
22fdf3c9
WYG		 136 buf = kzalloc(bufsz, GFP_KERNEL);
137 if (!buf)
138 return -ENOMEM;
139 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
140 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
141 pos += scnprintf(buf + pos, bufsz - pos,
98a7b43b 142 "\t%25s\t\t: %u\n",
22fdf3c9
WYG		 143 get_mgmt_string(cnt),
144 priv->tx_stats.mgmt[cnt]);
145 }
146 pos += scnprintf(buf + pos, bufsz - pos, "Control\n");
147 for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
148 pos += scnprintf(buf + pos, bufsz - pos,
98a7b43b 149 "\t%25s\t\t: %u\n",
22fdf3c9
WYG		 150 get_ctrl_string(cnt),
151 priv->tx_stats.ctrl[cnt]);
152 }
153 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
154 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
155 priv->tx_stats.data_cnt);
156 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
157 priv->tx_stats.data_bytes);
158 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
159 kfree(buf);
160 return ret;
161}
162
7163b8a4 163static ssize_t iwl_dbgfs_clear_traffic_statistics_write(struct file *file,
22fdf3c9
WYG		 164 const char __user *user_buf,
165 size_t count, loff_t *ppos)
166{
167 struct iwl_priv *priv = file->private_data;
168 u32 clear_flag;
169 char buf[8];
170 int buf_size;
712b6cf5 171
22fdf3c9
WYG		 172 memset(buf, 0, sizeof(buf));
173 buf_size = min(count, sizeof(buf) - 1);
174 if (copy_from_user(buf, user_buf, buf_size))
175 return -EFAULT;
176 if (sscanf(buf, "%x", &clear_flag) != 1)
177 return -EFAULT;
7163b8a4 178 iwl_clear_traffic_stats(priv);
22fdf3c9
WYG		 179
180 return count;
712b6cf5
TW		 181}
182
183static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file,
184 char __user *user_buf,
185 size_t count, loff_t *ppos) {
186
187 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
22fdf3c9 188 char *buf;
712b6cf5 189 int pos = 0;
22fdf3c9
WYG		 190 int cnt;
191 ssize_t ret;
192 const size_t bufsz = 100 +
98a7b43b 193 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
22fdf3c9
WYG		 194 buf = kzalloc(bufsz, GFP_KERNEL);
195 if (!buf)
196 return -ENOMEM;
712b6cf5 197
22fdf3c9
WYG		 198 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
199 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
200 pos += scnprintf(buf + pos, bufsz - pos,
98a7b43b 201 "\t%25s\t\t: %u\n",
22fdf3c9
WYG		 202 get_mgmt_string(cnt),
203 priv->rx_stats.mgmt[cnt]);
204 }
205 pos += scnprintf(buf + pos, bufsz - pos, "Control:\n");
206 for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
207 pos += scnprintf(buf + pos, bufsz - pos,
98a7b43b 208 "\t%25s\t\t: %u\n",
22fdf3c9
WYG		 209 get_ctrl_string(cnt),
210 priv->rx_stats.ctrl[cnt]);
211 }
212 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
213 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
214 priv->rx_stats.data_cnt);
215 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
216 priv->rx_stats.data_bytes);
712b6cf5 217
22fdf3c9
WYG		 218 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
219 kfree(buf);
220 return ret;
221}
222
712b6cf5
TW		 223#define BYTE1_MASK 0x000000ff;
224#define BYTE2_MASK 0x0000ffff;
225#define BYTE3_MASK 0x00ffffff;
226static ssize_t iwl_dbgfs_sram_read(struct file *file,
227 char __user *user_buf,
228 size_t count, loff_t *ppos)
229{
230 u32 val;
231 char buf[1024];
232 ssize_t ret;
233 int i;
234 int pos = 0;
235 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
db0589f3 236 const size_t bufsz = sizeof(buf);
712b6cf5 237
712b6cf5 238 for (i = priv->dbgfs->sram_len; i > 0; i -= 4) {
3395f6e9 239 val = iwl_read_targ_mem(priv, priv->dbgfs->sram_offset + \
712b6cf5
TW		 240 priv->dbgfs->sram_len - i);
241 if (i < 4) {
242 switch (i) {
243 case 1:
244 val &= BYTE1_MASK;
245 break;
246 case 2:
247 val &= BYTE2_MASK;
248 break;
249 case 3:
250 val &= BYTE3_MASK;
251 break;
252 }
253 }
db0589f3 254 pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val);
712b6cf5 255 }
db0589f3 256 pos += scnprintf(buf + pos, bufsz - pos, "\n");
712b6cf5
TW		 257
258 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
259 return ret;
260}
261
262static ssize_t iwl_dbgfs_sram_write(struct file *file,
263 const char __user *user_buf,
264 size_t count, loff_t *ppos)
265{
266 struct iwl_priv *priv = file->private_data;
267 char buf[64];
268 int buf_size;
269 u32 offset, len;
270
271 memset(buf, 0, sizeof(buf));
272 buf_size = min(count, sizeof(buf) - 1);
273 if (copy_from_user(buf, user_buf, buf_size))
274 return -EFAULT;
275
276 if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
277 priv->dbgfs->sram_offset = offset;
278 priv->dbgfs->sram_len = len;
279 } else {
280 priv->dbgfs->sram_offset = 0;
281 priv->dbgfs->sram_len = 0;
282 }
283
284 return count;
285}
286
287static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
288 size_t count, loff_t *ppos)
289{
290 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
6def9761 291 struct iwl_station_entry *station;
5425e490 292 int max_sta = priv->hw_params.max_stations;
712b6cf5
TW		 293 char *buf;
294 int i, j, pos = 0;
295 ssize_t ret;
296 /* Add 30 for initial string */
297 const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
712b6cf5
TW		 298
299 buf = kmalloc(bufsz, GFP_KERNEL);
3ac7f146 300 if (!buf)
712b6cf5
TW		 301 return -ENOMEM;
302
db0589f3 303 pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
712b6cf5
TW		 304 priv->num_stations);
305
306 for (i = 0; i < max_sta; i++) {
307 station = &priv->stations[i];
308 if (station->used) {
db0589f3
AK		 309 pos += scnprintf(buf + pos, bufsz - pos,
310 "station %d:\ngeneral data:\n", i+1);
db0589f3 311 pos += scnprintf(buf + pos, bufsz - pos, "id: %u\n",
712b6cf5 312 station->sta.sta.sta_id);
db0589f3 313 pos += scnprintf(buf + pos, bufsz - pos, "mode: %u\n",
712b6cf5 314 station->sta.mode);
db0589f3
AK		 315 pos += scnprintf(buf + pos, bufsz - pos,
316 "flags: 0x%x\n",
712b6cf5 317 station->sta.station_flags_msk);
db0589f3
AK		 318 pos += scnprintf(buf + pos, bufsz - pos, "tid data:\n");
319 pos += scnprintf(buf + pos, bufsz - pos,
344234de 320 "seq_num\t\ttxq_id");
db0589f3 321 pos += scnprintf(buf + pos, bufsz - pos,
344234de 322 "\tframe_count\twait_for_ba\t");
db0589f3
AK		 323 pos += scnprintf(buf + pos, bufsz - pos,
324 "start_idx\tbitmap0\t");
325 pos += scnprintf(buf + pos, bufsz - pos,
344234de 326 "bitmap1\trate_n_flags");
344234de 327 pos += scnprintf(buf + pos, bufsz - pos, "\n");
712b6cf5
TW		 328
329 for (j = 0; j < MAX_TID_COUNT; j++) {
db0589f3 330 pos += scnprintf(buf + pos, bufsz - pos,
344234de 331 "[%d]:\t\t%u", j,
db0589f3
AK		 332 station->tid[j].seq_number);
333 pos += scnprintf(buf + pos, bufsz - pos,
344234de 334 "\t%u\t\t%u\t\t%u\t\t",
712b6cf5
TW		 335 station->tid[j].agg.txq_id,
336 station->tid[j].agg.frame_count,
337 station->tid[j].agg.wait_for_ba);
db0589f3 338 pos += scnprintf(buf + pos, bufsz - pos,
344234de 339 "%u\t%llu\t%u",
712b6cf5 340 station->tid[j].agg.start_idx,
16788599 341 (unsigned long long)station->tid[j].agg.bitmap,
712b6cf5 342 station->tid[j].agg.rate_n_flags);
344234de 343 pos += scnprintf(buf + pos, bufsz - pos, "\n");
712b6cf5 344 }
db0589f3 345 pos += scnprintf(buf + pos, bufsz - pos, "\n");
712b6cf5
TW		 346 }
347 }
348
349 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
350 kfree(buf);
351 return ret;
352}
353
0848e297 354static ssize_t iwl_dbgfs_nvm_read(struct file *file,
8dd266ef
TW		 355 char __user *user_buf,
356 size_t count,
357 loff_t *ppos)
358{
359 ssize_t ret;
360 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
361 int pos = 0, ofs = 0, buf_size = 0;
362 const u8 *ptr;
363 char *buf;
e307ddce 364 u16 eeprom_ver;
8dd266ef
TW		 365 size_t eeprom_len = priv->cfg->eeprom_size;
366 buf_size = 4 * eeprom_len + 256;
367
368 if (eeprom_len % 16) {
0848e297 369 IWL_ERR(priv, "NVM size is not multiple of 16.\n");
8dd266ef
TW		 370 return -ENODATA;
371 }
372
c37457e6
JL		 373 ptr = priv->eeprom;
374 if (!ptr) {
375 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
376 return -ENOMEM;
377 }
378
8dd266ef
TW		 379 /* 4 characters for byte 0xYY */
380 buf = kzalloc(buf_size, GFP_KERNEL);
381 if (!buf) {
15b1687c 382 IWL_ERR(priv, "Can not allocate Buffer\n");
8dd266ef
TW		 383 return -ENOMEM;
384 }
e307ddce
WYG		 385 eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION);
386 pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, "
387 "version: 0x%x\n",
0848e297 388 (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
e307ddce 389 ? "OTP" : "EEPROM", eeprom_ver);
8dd266ef
TW		 390 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
391 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
392 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
393 buf_size - pos, 0);
2fac9717 394 pos += strlen(buf + pos);
8dd266ef
TW		 395 if (buf_size - pos > 0)
396 buf[pos++] = '\n';
397 }
398
399 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
400 kfree(buf);
401 return ret;
402}
712b6cf5 403
189a2b59
EK		 404static ssize_t iwl_dbgfs_log_event_write(struct file *file,
405 const char __user *user_buf,
406 size_t count, loff_t *ppos)
407{
408 struct iwl_priv *priv = file->private_data;
409 u32 event_log_flag;
410 char buf[8];
411 int buf_size;
412
413 memset(buf, 0, sizeof(buf));
414 buf_size = min(count, sizeof(buf) - 1);
415 if (copy_from_user(buf, user_buf, buf_size))
416 return -EFAULT;
417 if (sscanf(buf, "%d", &event_log_flag) != 1)
418 return -EFAULT;
419 if (event_log_flag == 1)
b7a79404 420 priv->cfg->ops->lib->dump_nic_event_log(priv);
189a2b59
EK		 421
422 return count;
423}
424
d366df5a
WT		 425
426
427static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
428 size_t count, loff_t *ppos)
429{
430 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
431 struct ieee80211_channel *channels = NULL;
432 const struct ieee80211_supported_band *supp_band = NULL;
433 int pos = 0, i, bufsz = PAGE_SIZE;
434 char *buf;
435 ssize_t ret;
436
437 if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status))
438 return -EAGAIN;
439
440 buf = kzalloc(bufsz, GFP_KERNEL);
441 if (!buf) {
15b1687c 442 IWL_ERR(priv, "Can not allocate Buffer\n");
d366df5a
WT		 443 return -ENOMEM;
444 }
445
446 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
a2e2322d
WYG		 447 if (supp_band) {
448 channels = supp_band->channels;
d366df5a 449
d366df5a 450 pos += scnprintf(buf + pos, bufsz - pos,
a2e2322d
WYG		 451 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
452 supp_band->n_channels);
d366df5a 453
a2e2322d
WYG		 454 for (i = 0; i < supp_band->n_channels; i++)
455 pos += scnprintf(buf + pos, bufsz - pos,
456 "%d: %ddBm: BSS%s%s, %s.\n",
457 ieee80211_frequency_to_channel(
458 channels[i].center_freq),
459 channels[i].max_power,
460 channels[i].flags & IEEE80211_CHAN_RADAR ?
461 " (IEEE 802.11h required)" : "",
462 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
463 || (channels[i].flags &
464 IEEE80211_CHAN_RADAR)) ? "" :
465 ", IBSS",
466 channels[i].flags &
467 IEEE80211_CHAN_PASSIVE_SCAN ?
468 "passive only" : "active/passive");
469 }
d366df5a 470 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
a2e2322d
WYG		 471 if (supp_band) {
472 channels = supp_band->channels;
d366df5a 473
d366df5a 474 pos += scnprintf(buf + pos, bufsz - pos,
a2e2322d
WYG		 475 "Displaying %d channels in 5.2GHz band (802.11a)\n",
476 supp_band->n_channels);
477
478 for (i = 0; i < supp_band->n_channels; i++)
479 pos += scnprintf(buf + pos, bufsz - pos,
480 "%d: %ddBm: BSS%s%s, %s.\n",
481 ieee80211_frequency_to_channel(
482 channels[i].center_freq),
483 channels[i].max_power,
484 channels[i].flags & IEEE80211_CHAN_RADAR ?
485 " (IEEE 802.11h required)" : "",
486 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
487 || (channels[i].flags &
488 IEEE80211_CHAN_RADAR)) ? "" :
489 ", IBSS",
490 channels[i].flags &
491 IEEE80211_CHAN_PASSIVE_SCAN ?
492 "passive only" : "active/passive");
493 }
d366df5a
WT		 494 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
495 kfree(buf);
496 return ret;
497}
498
08df05aa
WYG		 499static ssize_t iwl_dbgfs_status_read(struct file *file,
500 char __user *user_buf,
501 size_t count, loff_t *ppos) {
502
503 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
504 char buf[512];
505 int pos = 0;
506 const size_t bufsz = sizeof(buf);
507
508 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n",
509 test_bit(STATUS_HCMD_ACTIVE, &priv->status));
510 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_SYNC_ACTIVE: %d\n",
511 test_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status));
512 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n",
513 test_bit(STATUS_INT_ENABLED, &priv->status));
514 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
515 test_bit(STATUS_RF_KILL_HW, &priv->status));
7812b167
WYG		 516 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n",
517 test_bit(STATUS_CT_KILL, &priv->status));
08df05aa
WYG		 518 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n",
519 test_bit(STATUS_INIT, &priv->status));
520 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
521 test_bit(STATUS_ALIVE, &priv->status));
522 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
523 test_bit(STATUS_READY, &priv->status));
524 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n",
525 test_bit(STATUS_TEMPERATURE, &priv->status));
526 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
527 test_bit(STATUS_GEO_CONFIGURED, &priv->status));
528 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
529 test_bit(STATUS_EXIT_PENDING, &priv->status));
08df05aa
WYG		 530 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
531 test_bit(STATUS_STATISTICS, &priv->status));
532 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
533 test_bit(STATUS_SCANNING, &priv->status));
534 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
535 test_bit(STATUS_SCAN_ABORTING, &priv->status));
536 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
537 test_bit(STATUS_SCAN_HW, &priv->status));
538 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
539 test_bit(STATUS_POWER_PMI, &priv->status));
540 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
541 test_bit(STATUS_FW_ERROR, &priv->status));
542 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_MODE_PENDING:\t %d\n",
543 test_bit(STATUS_MODE_PENDING, &priv->status));
544 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
545}
546
a83b9141
WYG		 547static ssize_t iwl_dbgfs_interrupt_read(struct file *file,
548 char __user *user_buf,
549 size_t count, loff_t *ppos) {
550
551 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
552 int pos = 0;
553 int cnt = 0;
554 char *buf;
555 int bufsz = 24 * 64; /* 24 items * 64 char per item */
556 ssize_t ret;
557
558 buf = kzalloc(bufsz, GFP_KERNEL);
559 if (!buf) {
560 IWL_ERR(priv, "Can not allocate Buffer\n");
561 return -ENOMEM;
562 }
563
564 pos += scnprintf(buf + pos, bufsz - pos,
565 "Interrupt Statistics Report:\n");
566
567 pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n",
568 priv->isr_stats.hw);
569 pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n",
570 priv->isr_stats.sw);
571 if (priv->isr_stats.sw > 0) {
572 pos += scnprintf(buf + pos, bufsz - pos,
573 "\tLast Restarting Code: 0x%X\n",
574 priv->isr_stats.sw_err);
575 }
576#ifdef CONFIG_IWLWIFI_DEBUG
577 pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n",
578 priv->isr_stats.sch);
579 pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n",
580 priv->isr_stats.alive);
581#endif
582 pos += scnprintf(buf + pos, bufsz - pos,
583 "HW RF KILL switch toggled:\t %u\n",
584 priv->isr_stats.rfkill);
585
586 pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n",
587 priv->isr_stats.ctkill);
588
589 pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n",
590 priv->isr_stats.wakeup);
591
592 pos += scnprintf(buf + pos, bufsz - pos,
593 "Rx command responses:\t\t %u\n",
594 priv->isr_stats.rx);
595 for (cnt = 0; cnt < REPLY_MAX; cnt++) {
596 if (priv->isr_stats.rx_handlers[cnt] > 0)
597 pos += scnprintf(buf + pos, bufsz - pos,
598 "\tRx handler[%36s]:\t\t %u\n",
599 get_cmd_string(cnt),
600 priv->isr_stats.rx_handlers[cnt]);
601 }
602
603 pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n",
604 priv->isr_stats.tx);
605
606 pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n",
607 priv->isr_stats.unhandled);
608
609 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
610 kfree(buf);
611 return ret;
612}
613
614static ssize_t iwl_dbgfs_interrupt_write(struct file *file,
615 const char __user *user_buf,
616 size_t count, loff_t *ppos)
617{
618 struct iwl_priv *priv = file->private_data;
619 char buf[8];
620 int buf_size;
621 u32 reset_flag;
622
623 memset(buf, 0, sizeof(buf));
624 buf_size = min(count, sizeof(buf) - 1);
625 if (copy_from_user(buf, user_buf, buf_size))
626 return -EFAULT;
627 if (sscanf(buf, "%x", &reset_flag) != 1)
628 return -EFAULT;
629 if (reset_flag == 0)
630 iwl_clear_isr_stats(priv);
631
632 return count;
633}
634
f5ad69fa
WYG		 635static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
636 size_t count, loff_t *ppos)
637{
638 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
639 int pos = 0, i;
640 char buf[256];
641 const size_t bufsz = sizeof(buf);
642 ssize_t ret;
643
644 for (i = 0; i < AC_NUM; i++) {
645 pos += scnprintf(buf + pos, bufsz - pos,
646 "\tcw_min\tcw_max\taifsn\ttxop\n");
647 pos += scnprintf(buf + pos, bufsz - pos,
648 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
649 priv->qos_data.def_qos_parm.ac[i].cw_min,
650 priv->qos_data.def_qos_parm.ac[i].cw_max,
651 priv->qos_data.def_qos_parm.ac[i].aifsn,
652 priv->qos_data.def_qos_parm.ac[i].edca_txop);
653 }
654 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
655 return ret;
656}
a83b9141 657
a283c011
WYG		 658static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf,
659 size_t count, loff_t *ppos)
660{
661 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
662 int pos = 0;
663 char buf[256];
664 const size_t bufsz = sizeof(buf);
665 ssize_t ret;
666
667 pos += scnprintf(buf + pos, bufsz - pos,
668 "allow blinking: %s\n",
669 (priv->allow_blinking) ? "True" : "False");
670 if (priv->allow_blinking) {
671 pos += scnprintf(buf + pos, bufsz - pos,
672 "Led blinking rate: %u\n",
673 priv->last_blink_rate);
674 pos += scnprintf(buf + pos, bufsz - pos,
675 "Last blink time: %lu\n",
676 priv->last_blink_time);
677 }
678
679 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
680 return ret;
681}
a283c011 682
fbf3a2af
WYG		 683static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
684 char __user *user_buf,
685 size_t count, loff_t *ppos)
686{
687 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
3ad3b92a 688 struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
fbf3a2af
WYG		 689 struct iwl_tt_restriction *restriction;
690 char buf[100];
691 int pos = 0;
692 const size_t bufsz = sizeof(buf);
693 ssize_t ret;
694
695 pos += scnprintf(buf + pos, bufsz - pos,
696 "Thermal Throttling Mode: %s\n",
3ad3b92a 697 tt->advanced_tt ? "Advance" : "Legacy");
fbf3a2af
WYG		 698 pos += scnprintf(buf + pos, bufsz - pos,
699 "Thermal Throttling State: %d\n",
700 tt->state);
3ad3b92a 701 if (tt->advanced_tt) {
fbf3a2af
WYG		 702 restriction = tt->restriction + tt->state;
703 pos += scnprintf(buf + pos, bufsz - pos,
704 "Tx mode: %d\n",
705 restriction->tx_stream);
706 pos += scnprintf(buf + pos, bufsz - pos,
707 "Rx mode: %d\n",
708 restriction->rx_stream);
709 pos += scnprintf(buf + pos, bufsz - pos,
710 "HT mode: %d\n",
711 restriction->is_ht);
712 }
713 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
714 return ret;
715}
716
1e4247d4
WYG		 717static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
718 const char __user *user_buf,
719 size_t count, loff_t *ppos)
720{
721 struct iwl_priv *priv = file->private_data;
722 char buf[8];
723 int buf_size;
724 int ht40;
725
726 memset(buf, 0, sizeof(buf));
727 buf_size = min(count, sizeof(buf) - 1);
728 if (copy_from_user(buf, user_buf, buf_size))
729 return -EFAULT;
730 if (sscanf(buf, "%d", &ht40) != 1)
731 return -EFAULT;
732 if (!iwl_is_associated(priv))
733 priv->disable_ht40 = ht40 ? true : false;
734 else {
735 IWL_ERR(priv, "Sta associated with AP - "
736 "Change to 40MHz channel support is not allowed\n");
737 return -EINVAL;
738 }
739
740 return count;
741}
742
743static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
744 char __user *user_buf,
745 size_t count, loff_t *ppos)
746{
747 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
748 char buf[100];
749 int pos = 0;
750 const size_t bufsz = sizeof(buf);
751 ssize_t ret;
752
753 pos += scnprintf(buf + pos, bufsz - pos,
754 "11n 40MHz Mode: %s\n",
755 priv->disable_ht40 ? "Disabled" : "Enabled");
756 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
757 return ret;
758}
759
e312c24c
JB		 760static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
761 const char __user *user_buf,
762 size_t count, loff_t *ppos)
763{
764 struct iwl_priv *priv = file->private_data;
765 char buf[8];
766 int buf_size;
767 int value;
768
769 memset(buf, 0, sizeof(buf));
770 buf_size = min(count, sizeof(buf) - 1);
771 if (copy_from_user(buf, user_buf, buf_size))
772 return -EFAULT;
773
774 if (sscanf(buf, "%d", &value) != 1)
775 return -EINVAL;
776
777 /*
778 * Our users expect 0 to be "CAM", but 0 isn't actually
779 * valid here. However, let's not confuse them and present
780 * IWL_POWER_INDEX_1 as "1", not "0".
781 */
1a34c043
RC		 782 if (value == 0)
783 return -EINVAL;
784 else if (value > 0)
e312c24c
JB		 785 value -= 1;
786
787 if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
788 return -EINVAL;
789
4ad177b5
WYG		 790 if (!iwl_is_ready_rf(priv))
791 return -EAGAIN;
792
e312c24c
JB		 793 priv->power_data.debug_sleep_level_override = value;
794
4ad177b5 795 iwl_power_update_mode(priv, true);
e312c24c
JB		 796
797 return count;
798}
799
800static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
801 char __user *user_buf,
802 size_t count, loff_t *ppos)
803{
804 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
805 char buf[10];
806 int pos, value;
807 const size_t bufsz = sizeof(buf);
808
809 /* see the write function */
810 value = priv->power_data.debug_sleep_level_override;
811 if (value >= 0)
812 value += 1;
813
814 pos = scnprintf(buf, bufsz, "%d\n", value);
815 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
816}
817
818static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
819 char __user *user_buf,
820 size_t count, loff_t *ppos)
821{
822 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
823 char buf[200];
824 int pos = 0, i;
825 const size_t bufsz = sizeof(buf);
826 struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
827
828 pos += scnprintf(buf + pos, bufsz - pos,
829 "flags: %#.2x\n", le16_to_cpu(cmd->flags));
830 pos += scnprintf(buf + pos, bufsz - pos,
831 "RX/TX timeout: %d/%d usec\n",
832 le32_to_cpu(cmd->rx_data_timeout),
833 le32_to_cpu(cmd->tx_data_timeout));
834 for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
835 pos += scnprintf(buf + pos, bufsz - pos,
836 "sleep_interval[%d]: %d\n", i,
837 le32_to_cpu(cmd->sleep_interval[i]));
838
839 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
840}
841
712b6cf5 842DEBUGFS_READ_WRITE_FILE_OPS(sram);
189a2b59 843DEBUGFS_WRITE_FILE_OPS(log_event);
0848e297 844DEBUGFS_READ_FILE_OPS(nvm);
712b6cf5 845DEBUGFS_READ_FILE_OPS(stations);
d366df5a 846DEBUGFS_READ_FILE_OPS(channels);
08df05aa 847DEBUGFS_READ_FILE_OPS(status);
a83b9141 848DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
f5ad69fa 849DEBUGFS_READ_FILE_OPS(qos);
a283c011 850DEBUGFS_READ_FILE_OPS(led);
fbf3a2af 851DEBUGFS_READ_FILE_OPS(thermal_throttling);
1e4247d4 852DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
e312c24c
JB		 853DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
854DEBUGFS_READ_FILE_OPS(current_sleep_command);
712b6cf5 855
20594eb0
WYG		 856static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
857 char __user *user_buf,
858 size_t count, loff_t *ppos)
859{
860 struct iwl_priv *priv = file->private_data;
861 int pos = 0, ofs = 0;
862 int cnt = 0, entry;
863 struct iwl_tx_queue *txq;
864 struct iwl_queue *q;
865 struct iwl_rx_queue *rxq = &priv->rxq;
866 char *buf;
867 int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
88804e2b 868 (priv->cfg->num_of_queues * 32 * 8) + 400;
20594eb0
WYG		 869 const u8 *ptr;
870 ssize_t ret;
871
88804e2b
WYG		 872 if (!priv->txq) {
873 IWL_ERR(priv, "txq not ready\n");
874 return -EAGAIN;
875 }
20594eb0
WYG		 876 buf = kzalloc(bufsz, GFP_KERNEL);
877 if (!buf) {
878 IWL_ERR(priv, "Can not allocate buffer\n");
879 return -ENOMEM;
880 }
881 pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n");
882 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
883 txq = &priv->txq[cnt];
884 q = &txq->q;
885 pos += scnprintf(buf + pos, bufsz - pos,
886 "q[%d]: read_ptr: %u, write_ptr: %u\n",
887 cnt, q->read_ptr, q->write_ptr);
888 }
889 if (priv->tx_traffic && (iwl_debug_level & IWL_DL_TX)) {
890 ptr = priv->tx_traffic;
891 pos += scnprintf(buf + pos, bufsz - pos,
892 "Tx Traffic idx: %u\n", priv->tx_traffic_idx);
893 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
894 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
895 entry++, ofs += 16) {
896 pos += scnprintf(buf + pos, bufsz - pos,
897 "0x%.4x ", ofs);
898 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
899 buf + pos, bufsz - pos, 0);
2fac9717 900 pos += strlen(buf + pos);
20594eb0
WYG		 901 if (bufsz - pos > 0)
902 buf[pos++] = '\n';
903 }
904 }
905 }
906
907 pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n");
908 pos += scnprintf(buf + pos, bufsz - pos,
909 "read: %u, write: %u\n",
910 rxq->read, rxq->write);
911
912 if (priv->rx_traffic && (iwl_debug_level & IWL_DL_RX)) {
913 ptr = priv->rx_traffic;
914 pos += scnprintf(buf + pos, bufsz - pos,
915 "Rx Traffic idx: %u\n", priv->rx_traffic_idx);
916 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
917 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
918 entry++, ofs += 16) {
919 pos += scnprintf(buf + pos, bufsz - pos,
920 "0x%.4x ", ofs);
921 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
922 buf + pos, bufsz - pos, 0);
2fac9717 923 pos += strlen(buf + pos);
20594eb0
WYG		 924 if (bufsz - pos > 0)
925 buf[pos++] = '\n';
926 }
927 }
928 }
929
930 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
931 kfree(buf);
932 return ret;
933}
934
935static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
936 const char __user *user_buf,
937 size_t count, loff_t *ppos)
938{
939 struct iwl_priv *priv = file->private_data;
940 char buf[8];
941 int buf_size;
942 int traffic_log;
943
944 memset(buf, 0, sizeof(buf));
945 buf_size = min(count, sizeof(buf) - 1);
946 if (copy_from_user(buf, user_buf, buf_size))
947 return -EFAULT;
948 if (sscanf(buf, "%d", &traffic_log) != 1)
949 return -EFAULT;
950 if (traffic_log == 0)
951 iwl_reset_traffic_log(priv);
952
953 return count;
954}
955
141b03e0
WYG		 956static ssize_t iwl_dbgfs_tx_queue_read(struct file *file,
957 char __user *user_buf,
958 size_t count, loff_t *ppos) {
959
960 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
961 struct iwl_tx_queue *txq;
962 struct iwl_queue *q;
963 char *buf;
964 int pos = 0;
965 int cnt;
966 int ret;
88804e2b 967 const size_t bufsz = sizeof(char) * 60 * priv->cfg->num_of_queues;
141b03e0 968
88804e2b
WYG		 969 if (!priv->txq) {
970 IWL_ERR(priv, "txq not ready\n");
971 return -EAGAIN;
972 }
141b03e0
WYG		 973 buf = kzalloc(bufsz, GFP_KERNEL);
974 if (!buf)
975 return -ENOMEM;
976
977 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
978 txq = &priv->txq[cnt];
979 q = &txq->q;
980 pos += scnprintf(buf + pos, bufsz - pos,
981 "hwq %.2d: read=%u write=%u stop=%d"
982 " swq_id=%#.2x (ac %d/hwq %d)\n",
983 cnt, q->read_ptr, q->write_ptr,
984 !!test_bit(cnt, priv->queue_stopped),
985 txq->swq_id,
986 txq->swq_id & 0x80 ? txq->swq_id & 3 :
987 txq->swq_id,
988 txq->swq_id & 0x80 ? (txq->swq_id >> 2) &
989 0x1f : txq->swq_id);
990 if (cnt >= 4)
991 continue;
992 /* for the ACs, display the stop count too */
993 pos += scnprintf(buf + pos, bufsz - pos,
994 " stop-count: %d\n",
995 atomic_read(&priv->queue_stop_count[cnt]));
996 }
997 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
998 kfree(buf);
999 return ret;
1000}
1001
1002static ssize_t iwl_dbgfs_rx_queue_read(struct file *file,
1003 char __user *user_buf,
1004 size_t count, loff_t *ppos) {
1005
1006 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1007 struct iwl_rx_queue *rxq = &priv->rxq;
1008 char buf[256];
1009 int pos = 0;
1010 const size_t bufsz = sizeof(buf);
1011
1012 pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n",
1013 rxq->read);
1014 pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n",
1015 rxq->write);
1016 pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n",
1017 rxq->free_count);
1018 pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n",
1019 le16_to_cpu(rxq->rb_stts->closed_rb_num) & 0x0FFF);
1020 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1021}
1022
e8fe59ae
WYG		 1023static int iwl_dbgfs_statistics_flag(struct iwl_priv *priv, char *buf,
1024 int bufsz)
1025{
1026 int p = 0;
1027
1028 p += scnprintf(buf + p, bufsz - p,
1029 "Statistics Flag(0x%X):\n",
1030 le32_to_cpu(priv->statistics.flag));
1031 if (le32_to_cpu(priv->statistics.flag) & UCODE_STATISTICS_CLEAR_MSK)
1032 p += scnprintf(buf + p, bufsz - p,
1033 "\tStatistics have been cleared\n");
1034 p += scnprintf(buf + p, bufsz - p,
1035 "\tOperational Frequency: %s\n",
1036 (le32_to_cpu(priv->statistics.flag) &
1037 UCODE_STATISTICS_FREQUENCY_MSK)
1038 ? "2.4 GHz" : "5.2 GHz");
1039 p += scnprintf(buf + p, bufsz - p,
1040 "\tTGj Narrow Band: %s\n",
1041 (le32_to_cpu(priv->statistics.flag) &
1042 UCODE_STATISTICS_NARROW_BAND_MSK)
1043 ? "enabled" : "disabled");
1044 return p;
1045}
1046
1047
1048static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
1049 char __user *user_buf,
1050 size_t count, loff_t *ppos)
1051{
1052 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1053 int pos = 0;
1054 char *buf;
1055 int bufsz = sizeof(struct statistics_rx_phy) * 20 +
1056 sizeof(struct statistics_rx_non_phy) * 20 +
1057 sizeof(struct statistics_rx_ht_phy) * 20 + 400;
1058 ssize_t ret;
92a35bda
WYG		 1059 struct statistics_rx_phy *ofdm, *accum_ofdm;
1060 struct statistics_rx_phy *cck, *accum_cck;
1061 struct statistics_rx_non_phy *general, *accum_general;
1062 struct statistics_rx_ht_phy *ht, *accum_ht;
e8fe59ae
WYG		 1063
1064 if (!iwl_is_alive(priv))
1065 return -EAGAIN;
1066
1067 /* make request to uCode to retrieve statistics information */
1068 mutex_lock(&priv->mutex);
ef8d5529 1069 ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
e8fe59ae
WYG		 1070 mutex_unlock(&priv->mutex);
1071
1072 if (ret) {
1073 IWL_ERR(priv,
1074 "Error sending statistics request: %zd\n", ret);
1075 return -EAGAIN;
1076 }
1077 buf = kzalloc(bufsz, GFP_KERNEL);
1078 if (!buf) {
1079 IWL_ERR(priv, "Can not allocate Buffer\n");
1080 return -ENOMEM;
1081 }
1082
1083 /* the statistic information display here is based on
1084 * the last statistics notification from uCode
1085 * might not reflect the current uCode activity
1086 */
1087 ofdm = &priv->statistics.rx.ofdm;
1088 cck = &priv->statistics.rx.cck;
1089 general = &priv->statistics.rx.general;
1090 ht = &priv->statistics.rx.ofdm_ht;
92a35bda
WYG		 1091 accum_ofdm = &priv->accum_statistics.rx.ofdm;
1092 accum_cck = &priv->accum_statistics.rx.cck;
1093 accum_general = &priv->accum_statistics.rx.general;
1094 accum_ht = &priv->accum_statistics.rx.ofdm_ht;
e8fe59ae
WYG		 1095 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
1096 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM:\n");
92a35bda
WYG		 1097 pos += scnprintf(buf + pos, bufsz - pos,
1098 "\t\t\tcurrent\t\t\taccumulative\n");
1099 pos += scnprintf(buf + pos, bufsz - pos, "ina_cnt:\t\t%u\t\t\t%u\n",
1100 le32_to_cpu(ofdm->ina_cnt), accum_ofdm->ina_cnt);
1101 pos += scnprintf(buf + pos, bufsz - pos, "fina_cnt:\t\t%u\t\t\t%u\n",
1102 le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt);
1103 pos += scnprintf(buf + pos, bufsz - pos, "plcp_err:\t\t%u\t\t\t%u\n",
1104 le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err);
1105 pos += scnprintf(buf + pos, bufsz - pos, "crc32_err:\t\t%u\t\t\t%u\n",
1106 le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err);
1107 pos += scnprintf(buf + pos, bufsz - pos,
1108 "overrun_err:\t\t%u\t\t\t%u\n",
1109 le32_to_cpu(ofdm->overrun_err),
1110 accum_ofdm->overrun_err);
1111 pos += scnprintf(buf + pos, bufsz - pos,
1112 "early_overrun_err:\t%u\t\t\t%u\n",
1113 le32_to_cpu(ofdm->early_overrun_err),
1114 accum_ofdm->early_overrun_err);
1115 pos += scnprintf(buf + pos, bufsz - pos, "crc32_good:\t\t%u\t\t\t%u\n",
1116 le32_to_cpu(ofdm->crc32_good),
1117 accum_ofdm->crc32_good);
1118 pos += scnprintf(buf + pos, bufsz - pos,
1119 "false_alarm_cnt:\t%u\t\t\t%u\n",
1120 le32_to_cpu(ofdm->false_alarm_cnt),
1121 accum_ofdm->false_alarm_cnt);
1122 pos += scnprintf(buf + pos, bufsz - pos,
1123 "fina_sync_err_cnt:\t%u\t\t\t%u\n",
1124 le32_to_cpu(ofdm->fina_sync_err_cnt),
1125 accum_ofdm->fina_sync_err_cnt);
1126 pos += scnprintf(buf + pos, bufsz - pos,
1127 "sfd_timeout:\t\t%u\t\t\t%u\n",
1128 le32_to_cpu(ofdm->sfd_timeout),
1129 accum_ofdm->sfd_timeout);
1130 pos += scnprintf(buf + pos, bufsz - pos,
1131 "fina_timeout:\t\t%u\t\t\t%u\n",
1132 le32_to_cpu(ofdm->fina_timeout),
1133 accum_ofdm->fina_timeout);
1134 pos += scnprintf(buf + pos, bufsz - pos,
1135 "unresponded_rts:\t%u\t\t\t%u\n",
1136 le32_to_cpu(ofdm->unresponded_rts),
1137 accum_ofdm->unresponded_rts);
1138 pos += scnprintf(buf + pos, bufsz - pos,
1139 "rxe_frame_lmt_ovrun:\t%u\t\t\t%u\n",
1140 le32_to_cpu(ofdm->rxe_frame_limit_overrun),
1141 accum_ofdm->rxe_frame_limit_overrun);
1142 pos += scnprintf(buf + pos, bufsz - pos,
1143 "sent_ack_cnt:\t\t%u\t\t\t%u\n",
1144 le32_to_cpu(ofdm->sent_ack_cnt),
1145 accum_ofdm->sent_ack_cnt);
1146 pos += scnprintf(buf + pos, bufsz - pos,
1147 "sent_cts_cnt:\t\t%u\t\t\t%u\n",
1148 le32_to_cpu(ofdm->sent_cts_cnt),
1149 accum_ofdm->sent_cts_cnt);
1150 pos += scnprintf(buf + pos, bufsz - pos,
1151 "sent_ba_rsp_cnt:\t%u\t\t\t%u\n",
1152 le32_to_cpu(ofdm->sent_ba_rsp_cnt),
1153 accum_ofdm->sent_ba_rsp_cnt);
1154 pos += scnprintf(buf + pos, bufsz - pos,
1155 "dsp_self_kill:\t\t%u\t\t\t%u\n",
1156 le32_to_cpu(ofdm->dsp_self_kill),
1157 accum_ofdm->dsp_self_kill);
1158 pos += scnprintf(buf + pos, bufsz - pos,
1159 "mh_format_err:\t\t%u\t\t\t%u\n",
1160 le32_to_cpu(ofdm->mh_format_err),
1161 accum_ofdm->mh_format_err);
1162 pos += scnprintf(buf + pos, bufsz - pos,
1163 "re_acq_main_rssi_sum:\t%u\t\t\t%u\n",
1164 le32_to_cpu(ofdm->re_acq_main_rssi_sum),
1165 accum_ofdm->re_acq_main_rssi_sum);
e8fe59ae
WYG		 1166
1167 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - CCK:\n");
92a35bda
WYG		 1168 pos += scnprintf(buf + pos, bufsz - pos,
1169 "\t\t\tcurrent\t\t\taccumulative\n");
1170 pos += scnprintf(buf + pos, bufsz - pos, "ina_cnt:\t\t%u\t\t\t%u\n",
1171 le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt);
1172 pos += scnprintf(buf + pos, bufsz - pos, "fina_cnt:\t\t%u\t\t\t%u\n",
1173 le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt);
1174 pos += scnprintf(buf + pos, bufsz - pos, "plcp_err:\t\t%u\t\t\t%u\n",
1175 le32_to_cpu(cck->plcp_err), accum_cck->plcp_err);
1176 pos += scnprintf(buf + pos, bufsz - pos, "crc32_err:\t\t%u\t\t\t%u\n",
1177 le32_to_cpu(cck->crc32_err), accum_cck->crc32_err);
1178 pos += scnprintf(buf + pos, bufsz - pos,
1179 "overrun_err:\t\t%u\t\t\t%u\n",
1180 le32_to_cpu(cck->overrun_err),
1181 accum_cck->overrun_err);
1182 pos += scnprintf(buf + pos, bufsz - pos,
1183 "early_overrun_err:\t%u\t\t\t%u\n",
1184 le32_to_cpu(cck->early_overrun_err),
1185 accum_cck->early_overrun_err);
1186 pos += scnprintf(buf + pos, bufsz - pos, "crc32_good:\t\t%u\t\t\t%u\n",
1187 le32_to_cpu(cck->crc32_good), accum_cck->crc32_good);
1188 pos += scnprintf(buf + pos, bufsz - pos,
1189 "false_alarm_cnt:\t%u\t\t\t%u\n",
1190 le32_to_cpu(cck->false_alarm_cnt),
1191 accum_cck->false_alarm_cnt);
1192 pos += scnprintf(buf + pos, bufsz - pos,
1193 "fina_sync_err_cnt:\t%u\t\t\t%u\n",
1194 le32_to_cpu(cck->fina_sync_err_cnt),
1195 accum_cck->fina_sync_err_cnt);
1196 pos += scnprintf(buf + pos, bufsz - pos,
1197 "sfd_timeout:\t\t%u\t\t\t%u\n",
1198 le32_to_cpu(cck->sfd_timeout),
1199 accum_cck->sfd_timeout);
1200 pos += scnprintf(buf + pos, bufsz - pos,
1201 "fina_timeout:\t\t%u\t\t\t%u\n",
1202 le32_to_cpu(cck->fina_timeout),
1203 accum_cck->fina_timeout);
1204 pos += scnprintf(buf + pos, bufsz - pos,
1205 "unresponded_rts:\t%u\t\t\t%u\n",
1206 le32_to_cpu(cck->unresponded_rts),
1207 accum_cck->unresponded_rts);
1208 pos += scnprintf(buf + pos, bufsz - pos,
1209 "rxe_frame_lmt_ovrun:\t%u\t\t\t%u\n",
1210 le32_to_cpu(cck->rxe_frame_limit_overrun),
1211 accum_cck->rxe_frame_limit_overrun);
1212 pos += scnprintf(buf + pos, bufsz - pos,
1213 "sent_ack_cnt:\t\t%u\t\t\t%u\n",
1214 le32_to_cpu(cck->sent_ack_cnt),
1215 accum_cck->sent_ack_cnt);
1216 pos += scnprintf(buf + pos, bufsz - pos,
1217 "sent_cts_cnt:\t\t%u\t\t\t%u\n",
1218 le32_to_cpu(cck->sent_cts_cnt),
1219 accum_cck->sent_cts_cnt);
1220 pos += scnprintf(buf + pos, bufsz - pos,
1221 "sent_ba_rsp_cnt:\t%u\t\t\t%u\n",
1222 le32_to_cpu(cck->sent_ba_rsp_cnt),
1223 accum_cck->sent_ba_rsp_cnt);
1224 pos += scnprintf(buf + pos, bufsz - pos,
1225 "dsp_self_kill:\t\t%u\t\t\t%u\n",
1226 le32_to_cpu(cck->dsp_self_kill),
1227 accum_cck->dsp_self_kill);
1228 pos += scnprintf(buf + pos, bufsz - pos,
1229 "mh_format_err:\t\t%u\t\t\t%u\n",
1230 le32_to_cpu(cck->mh_format_err),
1231 accum_cck->mh_format_err);
1232 pos += scnprintf(buf + pos, bufsz - pos,
1233 "re_acq_main_rssi_sum:\t%u\t\t\t%u\n",
1234 le32_to_cpu(cck->re_acq_main_rssi_sum),
1235 accum_cck->re_acq_main_rssi_sum);
e8fe59ae
WYG		 1236
1237 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - GENERAL:\n");
92a35bda
WYG		 1238 pos += scnprintf(buf + pos, bufsz - pos,
1239 "\t\t\tcurrent\t\t\taccumulative\n");
1240 pos += scnprintf(buf + pos, bufsz - pos, "bogus_cts:\t\t%u\t\t\t%u\n",
1241 le32_to_cpu(general->bogus_cts),
1242 accum_general->bogus_cts);
1243 pos += scnprintf(buf + pos, bufsz - pos, "bogus_ack:\t\t%u\t\t\t%u\n",
1244 le32_to_cpu(general->bogus_ack),
1245 accum_general->bogus_ack);
1246 pos += scnprintf(buf + pos, bufsz - pos,
1247 "non_bssid_frames:\t%u\t\t\t%u\n",
1248 le32_to_cpu(general->non_bssid_frames),
1249 accum_general->non_bssid_frames);
1250 pos += scnprintf(buf + pos, bufsz - pos,
1251 "filtered_frames:\t%u\t\t\t%u\n",
1252 le32_to_cpu(general->filtered_frames),
1253 accum_general->filtered_frames);
1254 pos += scnprintf(buf + pos, bufsz - pos,
1255 "non_channel_beacons:\t%u\t\t\t%u\n",
1256 le32_to_cpu(general->non_channel_beacons),
1257 accum_general->non_channel_beacons);
1258 pos += scnprintf(buf + pos, bufsz - pos,
1259 "channel_beacons:\t%u\t\t\t%u\n",
1260 le32_to_cpu(general->channel_beacons),
1261 accum_general->channel_beacons);
1262 pos += scnprintf(buf + pos, bufsz - pos,
1263 "num_missed_bcon:\t%u\t\t\t%u\n",
1264 le32_to_cpu(general->num_missed_bcon),
1265 accum_general->num_missed_bcon);
1266 pos += scnprintf(buf + pos, bufsz - pos,
1267 "adc_rx_saturation_time:\t%u\t\t\t%u\n",
1268 le32_to_cpu(general->adc_rx_saturation_time),
1269 accum_general->adc_rx_saturation_time);
1270 pos += scnprintf(buf + pos, bufsz - pos,
1271 "ina_detect_search_tm:\t%u\t\t\t%u\n",
1272 le32_to_cpu(general->ina_detection_search_time),
1273 accum_general->ina_detection_search_time);
1274 pos += scnprintf(buf + pos, bufsz - pos,
1275 "beacon_silence_rssi_a:\t%u\t\t\t%u\n",
1276 le32_to_cpu(general->beacon_silence_rssi_a),
1277 accum_general->beacon_silence_rssi_a);
1278 pos += scnprintf(buf + pos, bufsz - pos,
1279 "beacon_silence_rssi_b:\t%u\t\t\t%u\n",
1280 le32_to_cpu(general->beacon_silence_rssi_b),
1281 accum_general->beacon_silence_rssi_b);
1282 pos += scnprintf(buf + pos, bufsz - pos,
1283 "beacon_silence_rssi_c:\t%u\t\t\t%u\n",
1284 le32_to_cpu(general->beacon_silence_rssi_c),
1285 accum_general->beacon_silence_rssi_c);
1286 pos += scnprintf(buf + pos, bufsz - pos,
1287 "interference_data_flag:\t%u\t\t\t%u\n",
1288 le32_to_cpu(general->interference_data_flag),
1289 accum_general->interference_data_flag);
1290 pos += scnprintf(buf + pos, bufsz - pos,
1291 "channel_load:\t\t%u\t\t\t%u\n",
1292 le32_to_cpu(general->channel_load),
1293 accum_general->channel_load);
1294 pos += scnprintf(buf + pos, bufsz - pos,
1295 "dsp_false_alarms:\t%u\t\t\t%u\n",
1296 le32_to_cpu(general->dsp_false_alarms),
1297 accum_general->dsp_false_alarms);
1298 pos += scnprintf(buf + pos, bufsz - pos,
1299 "beacon_rssi_a:\t\t%u\t\t\t%u\n",
1300 le32_to_cpu(general->beacon_rssi_a),
1301 accum_general->beacon_rssi_a);
1302 pos += scnprintf(buf + pos, bufsz - pos,
1303 "beacon_rssi_b:\t\t%u\t\t\t%u\n",
1304 le32_to_cpu(general->beacon_rssi_b),
1305 accum_general->beacon_rssi_b);
1306 pos += scnprintf(buf + pos, bufsz - pos,
1307 "beacon_rssi_c:\t\t%u\t\t\t%u\n",
1308 le32_to_cpu(general->beacon_rssi_c),
1309 accum_general->beacon_rssi_c);
1310 pos += scnprintf(buf + pos, bufsz - pos,
1311 "beacon_energy_a:\t%u\t\t\t%u\n",
1312 le32_to_cpu(general->beacon_energy_a),
1313 accum_general->beacon_energy_a);
1314 pos += scnprintf(buf + pos, bufsz - pos,
1315 "beacon_energy_b:\t%u\t\t\t%u\n",
1316 le32_to_cpu(general->beacon_energy_b),
1317 accum_general->beacon_energy_b);
1318 pos += scnprintf(buf + pos, bufsz - pos,
1319 "beacon_energy_c:\t%u\t\t\t%u\n",
1320 le32_to_cpu(general->beacon_energy_c),
1321 accum_general->beacon_energy_c);
e8fe59ae
WYG		 1322
1323 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM_HT:\n");
92a35bda
WYG		 1324 pos += scnprintf(buf + pos, bufsz - pos,
1325 "\t\t\tcurrent\t\t\taccumulative\n");
1326 pos += scnprintf(buf + pos, bufsz - pos, "plcp_err:\t\t%u\t\t\t%u\n",
1327 le32_to_cpu(ht->plcp_err), accum_ht->plcp_err);
1328 pos += scnprintf(buf + pos, bufsz - pos,
1329 "overrun_err:\t\t%u\t\t\t%u\n",
1330 le32_to_cpu(ht->overrun_err), accum_ht->overrun_err);
1331 pos += scnprintf(buf + pos, bufsz - pos,
1332 "early_overrun_err:\t%u\t\t\t%u\n",
1333 le32_to_cpu(ht->early_overrun_err),
1334 accum_ht->early_overrun_err);
1335 pos += scnprintf(buf + pos, bufsz - pos, "crc32_good:\t\t%u\t\t\t%u\n",
1336 le32_to_cpu(ht->crc32_good), accum_ht->crc32_good);
1337 pos += scnprintf(buf + pos, bufsz - pos, "crc32_err:\t\t%u\t\t\t%u\n",
1338 le32_to_cpu(ht->crc32_err), accum_ht->crc32_err);
1339 pos += scnprintf(buf + pos, bufsz - pos,
1340 "mh_format_err:\t\t%u\t\t\t%u\n",
1341 le32_to_cpu(ht->mh_format_err),
1342 accum_ht->mh_format_err);
1343 pos += scnprintf(buf + pos, bufsz - pos,
1344 "agg_crc32_good:\t\t%u\t\t\t%u\n",
1345 le32_to_cpu(ht->agg_crc32_good),
1346 accum_ht->agg_crc32_good);
1347 pos += scnprintf(buf + pos, bufsz - pos,
1348 "agg_mpdu_cnt:\t\t%u\t\t\t%u\n",
1349 le32_to_cpu(ht->agg_mpdu_cnt),
1350 accum_ht->agg_mpdu_cnt);
1351 pos += scnprintf(buf + pos, bufsz - pos, "agg_cnt:\t\t%u\t\t\t%u\n",
1352 le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt);
e8fe59ae
WYG		 1353
1354 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1355 kfree(buf);
1356 return ret;
1357}
1358
1359static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
1360 char __user *user_buf,
1361 size_t count, loff_t *ppos)
1362{
1363 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1364 int pos = 0;
1365 char *buf;
1366 int bufsz = (sizeof(struct statistics_tx) * 24) + 250;
1367 ssize_t ret;
92a35bda 1368 struct statistics_tx *tx, *accum_tx;
e8fe59ae
WYG		 1369
1370 if (!iwl_is_alive(priv))
1371 return -EAGAIN;
1372
1373 /* make request to uCode to retrieve statistics information */
1374 mutex_lock(&priv->mutex);
ef8d5529 1375 ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
e8fe59ae
WYG		 1376 mutex_unlock(&priv->mutex);
1377
1378 if (ret) {
1379 IWL_ERR(priv,
1380 "Error sending statistics request: %zd\n", ret);
1381 return -EAGAIN;
1382 }
1383 buf = kzalloc(bufsz, GFP_KERNEL);
1384 if (!buf) {
1385 IWL_ERR(priv, "Can not allocate Buffer\n");
1386 return -ENOMEM;
1387 }
1388
1389 /* the statistic information display here is based on
1390 * the last statistics notification from uCode
1391 * might not reflect the current uCode activity
1392 */
1393 tx = &priv->statistics.tx;
92a35bda 1394 accum_tx = &priv->accum_statistics.tx;
e8fe59ae
WYG		 1395 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
1396 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Tx:\n");
92a35bda
WYG		 1397 pos += scnprintf(buf + pos, bufsz - pos,
1398 "\t\t\tcurrent\t\t\taccumulative\n");
1399 pos += scnprintf(buf + pos, bufsz - pos, "preamble:\t\t\t%u\t\t\t%u\n",
1400 le32_to_cpu(tx->preamble_cnt),
1401 accum_tx->preamble_cnt);
1402 pos += scnprintf(buf + pos, bufsz - pos,
1403 "rx_detected_cnt:\t\t%u\t\t\t%u\n",
1404 le32_to_cpu(tx->rx_detected_cnt),
1405 accum_tx->rx_detected_cnt);
1406 pos += scnprintf(buf + pos, bufsz - pos,
1407 "bt_prio_defer_cnt:\t\t%u\t\t\t%u\n",
1408 le32_to_cpu(tx->bt_prio_defer_cnt),
1409 accum_tx->bt_prio_defer_cnt);
1410 pos += scnprintf(buf + pos, bufsz - pos,
1411 "bt_prio_kill_cnt:\t\t%u\t\t\t%u\n",
1412 le32_to_cpu(tx->bt_prio_kill_cnt),
1413 accum_tx->bt_prio_kill_cnt);
1414 pos += scnprintf(buf + pos, bufsz - pos,
1415 "few_bytes_cnt:\t\t\t%u\t\t\t%u\n",
1416 le32_to_cpu(tx->few_bytes_cnt),
1417 accum_tx->few_bytes_cnt);
1418 pos += scnprintf(buf + pos, bufsz - pos,
1419 "cts_timeout:\t\t\t%u\t\t\t%u\n",
1420 le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout);
1421 pos += scnprintf(buf + pos, bufsz - pos,
1422 "ack_timeout:\t\t\t%u\t\t\t%u\n",
1423 le32_to_cpu(tx->ack_timeout),
1424 accum_tx->ack_timeout);
1425 pos += scnprintf(buf + pos, bufsz - pos,
1426 "expected_ack_cnt:\t\t%u\t\t\t%u\n",
1427 le32_to_cpu(tx->expected_ack_cnt),
1428 accum_tx->expected_ack_cnt);
1429 pos += scnprintf(buf + pos, bufsz - pos,
1430 "actual_ack_cnt:\t\t\t%u\t\t\t%u\n",
1431 le32_to_cpu(tx->actual_ack_cnt),
1432 accum_tx->actual_ack_cnt);
1433 pos += scnprintf(buf + pos, bufsz - pos,
1434 "dump_msdu_cnt:\t\t\t%u\t\t\t%u\n",
1435 le32_to_cpu(tx->dump_msdu_cnt),
1436 accum_tx->dump_msdu_cnt);
1437 pos += scnprintf(buf + pos, bufsz - pos,
1438 "abort_nxt_frame_mismatch:"
1439 "\t%u\t\t\t%u\n",
1440 le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt),
1441 accum_tx->burst_abort_next_frame_mismatch_cnt);
1442 pos += scnprintf(buf + pos, bufsz - pos,
1443 "abort_missing_nxt_frame:"
1444 "\t%u\t\t\t%u\n",
1445 le32_to_cpu(tx->burst_abort_missing_next_frame_cnt),
1446 accum_tx->burst_abort_missing_next_frame_cnt);
1447 pos += scnprintf(buf + pos, bufsz - pos,
1448 "cts_timeout_collision:\t\t%u\t\t\t%u\n",
1449 le32_to_cpu(tx->cts_timeout_collision),
1450 accum_tx->cts_timeout_collision);
1451 pos += scnprintf(buf + pos, bufsz - pos,
1452 "ack_ba_timeout_collision:\t%u\t\t\t%u\n",
1453 le32_to_cpu(tx->ack_or_ba_timeout_collision),
1454 accum_tx->ack_or_ba_timeout_collision);
1455 pos += scnprintf(buf + pos, bufsz - pos,
1456 "agg ba_timeout:\t\t\t%u\t\t\t%u\n",
1457 le32_to_cpu(tx->agg.ba_timeout),
1458 accum_tx->agg.ba_timeout);
1459 pos += scnprintf(buf + pos, bufsz - pos,
1460 "agg ba_resched_frames:\t\t%u\t\t\t%u\n",
1461 le32_to_cpu(tx->agg.ba_reschedule_frames),
1462 accum_tx->agg.ba_reschedule_frames);
1463 pos += scnprintf(buf + pos, bufsz - pos,
1464 "agg scd_query_agg_frame:\t%u\t\t\t%u\n",
1465 le32_to_cpu(tx->agg.scd_query_agg_frame_cnt),
1466 accum_tx->agg.scd_query_agg_frame_cnt);
1467 pos += scnprintf(buf + pos, bufsz - pos,
1468 "agg scd_query_no_agg:\t\t%u\t\t\t%u\n",
1469 le32_to_cpu(tx->agg.scd_query_no_agg),
1470 accum_tx->agg.scd_query_no_agg);
1471 pos += scnprintf(buf + pos, bufsz - pos,
1472 "agg scd_query_agg:\t\t%u\t\t\t%u\n",
1473 le32_to_cpu(tx->agg.scd_query_agg),
1474 accum_tx->agg.scd_query_agg);
1475 pos += scnprintf(buf + pos, bufsz - pos,
1476 "agg scd_query_mismatch:\t\t%u\t\t\t%u\n",
1477 le32_to_cpu(tx->agg.scd_query_mismatch),
1478 accum_tx->agg.scd_query_mismatch);
1479 pos += scnprintf(buf + pos, bufsz - pos,
1480 "agg frame_not_ready:\t\t%u\t\t\t%u\n",
1481 le32_to_cpu(tx->agg.frame_not_ready),
1482 accum_tx->agg.frame_not_ready);
1483 pos += scnprintf(buf + pos, bufsz - pos,
1484 "agg underrun:\t\t\t%u\t\t\t%u\n",
1485 le32_to_cpu(tx->agg.underrun),
1486 accum_tx->agg.underrun);
1487 pos += scnprintf(buf + pos, bufsz - pos,
1488 "agg bt_prio_kill:\t\t%u\t\t\t%u\n",
1489 le32_to_cpu(tx->agg.bt_prio_kill),
1490 accum_tx->agg.bt_prio_kill);
1491 pos += scnprintf(buf + pos, bufsz - pos,
1492 "agg rx_ba_rsp_cnt:\t\t%u\t\t\t%u\n",
1493 le32_to_cpu(tx->agg.rx_ba_rsp_cnt),
1494 accum_tx->agg.rx_ba_rsp_cnt);
e8fe59ae
WYG		 1495
1496 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1497 kfree(buf);
1498 return ret;
1499}
1500
1501static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1502 char __user *user_buf,
1503 size_t count, loff_t *ppos)
1504{
1505 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1506 int pos = 0;
1507 char *buf;
1508 int bufsz = sizeof(struct statistics_general) * 4 + 250;
1509 ssize_t ret;
92a35bda
WYG		 1510 struct statistics_general *general, *accum_general;
1511 struct statistics_dbg *dbg, *accum_dbg;
1512 struct statistics_div *div, *accum_div;
e8fe59ae
WYG		 1513
1514 if (!iwl_is_alive(priv))
1515 return -EAGAIN;
1516
1517 /* make request to uCode to retrieve statistics information */
1518 mutex_lock(&priv->mutex);
ef8d5529 1519 ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
e8fe59ae
WYG		 1520 mutex_unlock(&priv->mutex);
1521
1522 if (ret) {
1523 IWL_ERR(priv,
1524 "Error sending statistics request: %zd\n", ret);
1525 return -EAGAIN;
1526 }
1527 buf = kzalloc(bufsz, GFP_KERNEL);
1528 if (!buf) {
1529 IWL_ERR(priv, "Can not allocate Buffer\n");
1530 return -ENOMEM;
1531 }
1532
1533 /* the statistic information display here is based on
1534 * the last statistics notification from uCode
1535 * might not reflect the current uCode activity
1536 */
1537 general = &priv->statistics.general;
1538 dbg = &priv->statistics.general.dbg;
1539 div = &priv->statistics.general.div;
92a35bda
WYG		 1540 accum_general = &priv->accum_statistics.general;
1541 accum_dbg = &priv->accum_statistics.general.dbg;
1542 accum_div = &priv->accum_statistics.general.div;
e8fe59ae
WYG		 1543 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
1544 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_General:\n");
92a35bda
WYG		 1545 pos += scnprintf(buf + pos, bufsz - pos,
1546 "\t\t\tcurrent\t\t\taccumulative\n");
1547 pos += scnprintf(buf + pos, bufsz - pos, "temperature:\t\t\t%u\n",
e8fe59ae 1548 le32_to_cpu(general->temperature));
92a35bda 1549 pos += scnprintf(buf + pos, bufsz - pos, "temperature_m:\t\t\t%u\n",
e8fe59ae 1550 le32_to_cpu(general->temperature_m));
92a35bda
WYG		 1551 pos += scnprintf(buf + pos, bufsz - pos,
1552 "burst_check:\t\t\t%u\t\t\t%u\n",
1553 le32_to_cpu(dbg->burst_check),
1554 accum_dbg->burst_check);
1555 pos += scnprintf(buf + pos, bufsz - pos,
1556 "burst_count:\t\t\t%u\t\t\t%u\n",
1557 le32_to_cpu(dbg->burst_count),
1558 accum_dbg->burst_count);
1559 pos += scnprintf(buf + pos, bufsz - pos,
1560 "sleep_time:\t\t\t%u\t\t\t%u\n",
1561 le32_to_cpu(general->sleep_time),
1562 accum_general->sleep_time);
1563 pos += scnprintf(buf + pos, bufsz - pos,
1564 "slots_out:\t\t\t%u\t\t\t%u\n",
1565 le32_to_cpu(general->slots_out),
1566 accum_general->slots_out);
1567 pos += scnprintf(buf + pos, bufsz - pos,
1568 "slots_idle:\t\t\t%u\t\t\t%u\n",
1569 le32_to_cpu(general->slots_idle),
1570 accum_general->slots_idle);
1571 pos += scnprintf(buf + pos, bufsz - pos, "ttl_timestamp:\t\t\t%u\n",
e8fe59ae 1572 le32_to_cpu(general->ttl_timestamp));
92a35bda
WYG		 1573 pos += scnprintf(buf + pos, bufsz - pos, "tx_on_a:\t\t\t%u\t\t\t%u\n",
1574 le32_to_cpu(div->tx_on_a), accum_div->tx_on_a);
1575 pos += scnprintf(buf + pos, bufsz - pos, "tx_on_b:\t\t\t%u\t\t\t%u\n",
1576 le32_to_cpu(div->tx_on_b), accum_div->tx_on_b);
1577 pos += scnprintf(buf + pos, bufsz - pos,
1578 "exec_time:\t\t\t%u\t\t\t%u\n",
1579 le32_to_cpu(div->exec_time), accum_div->exec_time);
1580 pos += scnprintf(buf + pos, bufsz - pos,
1581 "probe_time:\t\t\t%u\t\t\t%u\n",
1582 le32_to_cpu(div->probe_time), accum_div->probe_time);
1583 pos += scnprintf(buf + pos, bufsz - pos,
1584 "rx_enable_counter:\t\t%u\t\t\t%u\n",
1585 le32_to_cpu(general->rx_enable_counter),
1586 accum_general->rx_enable_counter);
e8fe59ae
WYG		 1587 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1588 kfree(buf);
1589 return ret;
1590}
1591
5225935b
WYG		 1592static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
1593 char __user *user_buf,
1594 size_t count, loff_t *ppos) {
1595
1596 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1597 int pos = 0;
1598 int cnt = 0;
1599 char *buf;
1600 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
1601 ssize_t ret;
1602 struct iwl_sensitivity_data *data;
1603
1604 data = &priv->sensitivity_data;
1605 buf = kzalloc(bufsz, GFP_KERNEL);
1606 if (!buf) {
1607 IWL_ERR(priv, "Can not allocate Buffer\n");
1608 return -ENOMEM;
1609 }
1610
1611 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
1612 data->auto_corr_ofdm);
1613 pos += scnprintf(buf + pos, bufsz - pos,
1614 "auto_corr_ofdm_mrc:\t\t %u\n",
1615 data->auto_corr_ofdm_mrc);
1616 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
1617 data->auto_corr_ofdm_x1);
1618 pos += scnprintf(buf + pos, bufsz - pos,
1619 "auto_corr_ofdm_mrc_x1:\t\t %u\n",
1620 data->auto_corr_ofdm_mrc_x1);
1621 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
1622 data->auto_corr_cck);
1623 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
1624 data->auto_corr_cck_mrc);
1625 pos += scnprintf(buf + pos, bufsz - pos,
1626 "last_bad_plcp_cnt_ofdm:\t\t %u\n",
1627 data->last_bad_plcp_cnt_ofdm);
1628 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
1629 data->last_fa_cnt_ofdm);
1630 pos += scnprintf(buf + pos, bufsz - pos,
1631 "last_bad_plcp_cnt_cck:\t\t %u\n",
1632 data->last_bad_plcp_cnt_cck);
1633 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
1634 data->last_fa_cnt_cck);
1635 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
1636 data->nrg_curr_state);
1637 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
1638 data->nrg_prev_state);
1639 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
1640 for (cnt = 0; cnt < 10; cnt++) {
1641 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1642 data->nrg_value[cnt]);
1643 }
1644 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1645 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
1646 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
1647 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1648 data->nrg_silence_rssi[cnt]);
1649 }
1650 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1651 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
1652 data->nrg_silence_ref);
1653 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
1654 data->nrg_energy_idx);
1655 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
1656 data->nrg_silence_idx);
1657 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
1658 data->nrg_th_cck);
1659 pos += scnprintf(buf + pos, bufsz - pos,
1660 "nrg_auto_corr_silence_diff:\t %u\n",
1661 data->nrg_auto_corr_silence_diff);
1662 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
1663 data->num_in_cck_no_fa);
1664 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
1665 data->nrg_th_ofdm);
1666
1667 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1668 kfree(buf);
1669 return ret;
1670}
1671
1672
1673static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
1674 char __user *user_buf,
1675 size_t count, loff_t *ppos) {
1676
1677 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1678 int pos = 0;
1679 int cnt = 0;
1680 char *buf;
1681 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
1682 ssize_t ret;
1683 struct iwl_chain_noise_data *data;
1684
1685 data = &priv->chain_noise_data;
1686 buf = kzalloc(bufsz, GFP_KERNEL);
1687 if (!buf) {
1688 IWL_ERR(priv, "Can not allocate Buffer\n");
1689 return -ENOMEM;
1690 }
1691
1692 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
1693 data->active_chains);
1694 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
1695 data->chain_noise_a);
1696 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
1697 data->chain_noise_b);
1698 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
1699 data->chain_noise_c);
1700 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
1701 data->chain_signal_a);
1702 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
1703 data->chain_signal_b);
1704 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
1705 data->chain_signal_c);
1706 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
1707 data->beacon_count);
1708
1709 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
1710 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1711 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1712 data->disconn_array[cnt]);
1713 }
1714 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1715 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
1716 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1717 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1718 data->delta_gain_code[cnt]);
1719 }
1720 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1721 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
1722 data->radio_write);
1723 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
1724 data->state);
1725
1726 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1727 kfree(buf);
1728 return ret;
1729}
1730
f204b248
WYG		 1731static ssize_t iwl_dbgfs_tx_power_read(struct file *file,
1732 char __user *user_buf,
1733 size_t count, loff_t *ppos) {
1734
1735 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1736 char buf[128];
1737 int pos = 0;
1738 ssize_t ret;
1739 const size_t bufsz = sizeof(buf);
1740 struct statistics_tx *tx;
1741
1742 if (!iwl_is_alive(priv))
1743 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
1744 else {
1745 /* make request to uCode to retrieve statistics information */
1746 mutex_lock(&priv->mutex);
ef8d5529 1747 ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
f204b248
WYG		 1748 mutex_unlock(&priv->mutex);
1749
1750 if (ret) {
1751 IWL_ERR(priv, "Error sending statistics request: %zd\n",
1752 ret);
1753 return -EAGAIN;
1754 }
1755 tx = &priv->statistics.tx;
1756 if (tx->tx_power.ant_a ||
1757 tx->tx_power.ant_b ||
1758 tx->tx_power.ant_c) {
1759 pos += scnprintf(buf + pos, bufsz - pos,
1760 "tx power: (1/2 dB step)\n");
1761 if ((priv->cfg->valid_tx_ant & ANT_A) &&
1762 tx->tx_power.ant_a)
1763 pos += scnprintf(buf + pos, bufsz - pos,
1764 "\tantenna A: 0x%X\n",
1765 tx->tx_power.ant_a);
1766 if ((priv->cfg->valid_tx_ant & ANT_B) &&
1767 tx->tx_power.ant_b)
1768 pos += scnprintf(buf + pos, bufsz - pos,
1769 "\tantenna B: 0x%X\n",
1770 tx->tx_power.ant_b);
1771 if ((priv->cfg->valid_tx_ant & ANT_C) &&
1772 tx->tx_power.ant_c)
1773 pos += scnprintf(buf + pos, bufsz - pos,
1774 "\tantenna C: 0x%X\n",
1775 tx->tx_power.ant_c);
1776 } else
1777 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
1778 }
1779 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1780}
1781
c09430ab
WYG		 1782static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
1783 char __user *user_buf,
1784 size_t count, loff_t *ppos)
1785{
1786 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1787 char buf[60];
1788 int pos = 0;
1789 const size_t bufsz = sizeof(buf);
1790 u32 pwrsave_status;
1791
1792 pwrsave_status = iwl_read32(priv, CSR_GP_CNTRL) &
1793 CSR_GP_REG_POWER_SAVE_STATUS_MSK;
1794
1795 pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: ");
1796 pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
1797 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" :
1798 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" :
1799 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" :
1800 "error");
1801
1802 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1803}
1804
7163b8a4 1805static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
ef8d5529
WYG		 1806 const char __user *user_buf,
1807 size_t count, loff_t *ppos)
1808{
1809 struct iwl_priv *priv = file->private_data;
1810 char buf[8];
1811 int buf_size;
1812 int clear;
1813
1814 memset(buf, 0, sizeof(buf));
1815 buf_size = min(count, sizeof(buf) - 1);
1816 if (copy_from_user(buf, user_buf, buf_size))
1817 return -EFAULT;
1818 if (sscanf(buf, "%d", &clear) != 1)
1819 return -EFAULT;
1820
1821 /* make request to uCode to retrieve statistics information */
1822 mutex_lock(&priv->mutex);
1823 iwl_send_statistics_request(priv, CMD_SYNC, true);
1824 mutex_unlock(&priv->mutex);
1825
1826 return count;
1827}
1828
7163b8a4
WYG		 1829DEBUGFS_READ_FILE_OPS(rx_statistics);
1830DEBUGFS_READ_FILE_OPS(tx_statistics);
20594eb0 1831DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
141b03e0
WYG		 1832DEBUGFS_READ_FILE_OPS(rx_queue);
1833DEBUGFS_READ_FILE_OPS(tx_queue);
e8fe59ae
WYG		 1834DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
1835DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
1836DEBUGFS_READ_FILE_OPS(ucode_general_stats);
5225935b
WYG		 1837DEBUGFS_READ_FILE_OPS(sensitivity);
1838DEBUGFS_READ_FILE_OPS(chain_noise);
f204b248 1839DEBUGFS_READ_FILE_OPS(tx_power);
c09430ab 1840DEBUGFS_READ_FILE_OPS(power_save_status);
7163b8a4
WYG		 1841DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
1842DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics);
20594eb0 1843
712b6cf5
TW		 1844/*
1845 * Create the debugfs files and directories
1846 *
1847 */
1848int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
1849{
1850 struct iwl_debugfs *dbgfs;
95b1a822 1851 struct dentry *phyd = priv->hw->wiphy->debugfsdir;
3ac7f146 1852 int ret = 0;
712b6cf5
TW		 1853
1854 dbgfs = kzalloc(sizeof(struct iwl_debugfs), GFP_KERNEL);
1855 if (!dbgfs) {
3ac7f146 1856 ret = -ENOMEM;
712b6cf5
TW		 1857 goto err;
1858 }
1859
1860 priv->dbgfs = dbgfs;
1861 dbgfs->name = name;
95b1a822 1862 dbgfs->dir_drv = debugfs_create_dir(name, phyd);
3ac7f146
TW		 1863 if (!dbgfs->dir_drv || IS_ERR(dbgfs->dir_drv)) {
1864 ret = -ENOENT;
712b6cf5
TW		 1865 goto err;
1866 }
1867
1868 DEBUGFS_ADD_DIR(data, dbgfs->dir_drv);
445c2dff 1869 DEBUGFS_ADD_DIR(rf, dbgfs->dir_drv);
20594eb0 1870 DEBUGFS_ADD_DIR(debug, dbgfs->dir_drv);
43e85115
WYG		 1871 DEBUGFS_ADD_FILE(nvm, data, S_IRUSR);
1872 DEBUGFS_ADD_FILE(sram, data, S_IWUSR | S_IRUSR);
1873 DEBUGFS_ADD_FILE(log_event, data, S_IWUSR);
1874 DEBUGFS_ADD_FILE(stations, data, S_IRUSR);
1875 DEBUGFS_ADD_FILE(channels, data, S_IRUSR);
1876 DEBUGFS_ADD_FILE(status, data, S_IRUSR);
1877 DEBUGFS_ADD_FILE(interrupt, data, S_IWUSR | S_IRUSR);
1878 DEBUGFS_ADD_FILE(qos, data, S_IRUSR);
1879 DEBUGFS_ADD_FILE(led, data, S_IRUSR);
1880 DEBUGFS_ADD_FILE(sleep_level_override, data, S_IWUSR | S_IRUSR);
1881 DEBUGFS_ADD_FILE(current_sleep_command, data, S_IRUSR);
1882 DEBUGFS_ADD_FILE(thermal_throttling, data, S_IRUSR);
1883 DEBUGFS_ADD_FILE(disable_ht40, data, S_IWUSR | S_IRUSR);
1884 DEBUGFS_ADD_FILE(rx_statistics, debug, S_IRUSR);
1885 DEBUGFS_ADD_FILE(tx_statistics, debug, S_IRUSR);
1886 DEBUGFS_ADD_FILE(traffic_log, debug, S_IWUSR | S_IRUSR);
1887 DEBUGFS_ADD_FILE(rx_queue, debug, S_IRUSR);
1888 DEBUGFS_ADD_FILE(tx_queue, debug, S_IRUSR);
1889 DEBUGFS_ADD_FILE(tx_power, debug, S_IRUSR);
1890 DEBUGFS_ADD_FILE(power_save_status, debug, S_IRUSR);
1891 DEBUGFS_ADD_FILE(clear_ucode_statistics, debug, S_IWUSR);
1892 DEBUGFS_ADD_FILE(clear_traffic_statistics, debug, S_IWUSR);
e8fe59ae 1893 if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) {
43e85115
WYG		 1894 DEBUGFS_ADD_FILE(ucode_rx_stats, debug, S_IRUSR);
1895 DEBUGFS_ADD_FILE(ucode_tx_stats, debug, S_IRUSR);
1896 DEBUGFS_ADD_FILE(ucode_general_stats, debug, S_IRUSR);
1897 DEBUGFS_ADD_FILE(sensitivity, debug, S_IRUSR);
1898 DEBUGFS_ADD_FILE(chain_noise, debug, S_IRUSR);
e8fe59ae 1899 }
445c2dff
TW		 1900 DEBUGFS_ADD_BOOL(disable_sensitivity, rf, &priv->disable_sens_cal);
1901 DEBUGFS_ADD_BOOL(disable_chain_noise, rf,
1902 &priv->disable_chain_noise_cal);
030b8655
WYG		 1903 if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) ||
1904 ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945))
1905 DEBUGFS_ADD_BOOL(disable_tx_power, rf,
1906 &priv->disable_tx_power_cal);
712b6cf5
TW		 1907 return 0;
1908
1909err:
15b1687c 1910 IWL_ERR(priv, "Can't open the debugfs directory\n");
712b6cf5 1911 iwl_dbgfs_unregister(priv);
3ac7f146 1912 return ret;
712b6cf5
TW		 1913}
1914EXPORT_SYMBOL(iwl_dbgfs_register);
1915
1916/**
1917 * Remove the debugfs files and directories
1918 *
1919 */
1920void iwl_dbgfs_unregister(struct iwl_priv *priv)
1921{
3ac7f146 1922 if (!priv->dbgfs)
712b6cf5
TW		 1923 return;
1924
e312c24c
JB		 1925 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sleep_level_override);
1926 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_current_sleep_command);
0848e297 1927 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_nvm);
712b6cf5 1928 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sram);
189a2b59 1929 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_log_event);
712b6cf5 1930 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_stations);
d366df5a 1931 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_channels);
08df05aa 1932 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_status);
a83b9141 1933 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_interrupt);
f5ad69fa 1934 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_qos);
a283c011 1935 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_led);
fbf3a2af 1936 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_thermal_throttling);
1e4247d4 1937 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_disable_ht40);
712b6cf5 1938 DEBUGFS_REMOVE(priv->dbgfs->dir_data);
22fdf3c9
WYG		 1939 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_rx_statistics);
1940 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_statistics);
20594eb0 1941 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_traffic_log);
141b03e0
WYG		 1942 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_rx_queue);
1943 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_queue);
f204b248 1944 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_power);
c09430ab 1945 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_power_save_status);
7163b8a4
WYG		 1946 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1947 file_clear_ucode_statistics);
1948 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1949 file_clear_traffic_statistics);
e8fe59ae
WYG		 1950 if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) {
1951 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1952 file_ucode_rx_stats);
1953 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1954 file_ucode_tx_stats);
1955 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1956 file_ucode_general_stats);
5225935b
WYG		 1957 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1958 file_sensitivity);
1959 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1960 file_chain_noise);
e8fe59ae 1961 }
20594eb0 1962 DEBUGFS_REMOVE(priv->dbgfs->dir_debug);
445c2dff
TW		 1963 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_sensitivity);
1964 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_chain_noise);
030b8655
WYG		 1965 if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) ||
1966 ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945))
1967 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_tx_power);
445c2dff 1968 DEBUGFS_REMOVE(priv->dbgfs->dir_rf);
712b6cf5
TW		 1969 DEBUGFS_REMOVE(priv->dbgfs->dir_drv);
1970 kfree(priv->dbgfs);
1971 priv->dbgfs = NULL;
1972}
1973EXPORT_SYMBOL(iwl_dbgfs_unregister);
1974
1975
445c2dff 1976
Linux kernel - Deliverables
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