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iwlagn: remove keyinfo cache
[mirror_ubuntu-zesty-kernel.git] / drivers / net / wireless / iwlwifi / iwl-debugfs.c
CommitLineData
712b6cf5
TW		 1/******************************************************************************
2 *
3 * GPL LICENSE SUMMARY
4 *
901069c7 5 * Copyright(c) 2008 - 2011 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"
d6d023a1 42#include "iwl-agn.h"
712b6cf5
TW		 43
44/* create and remove of files */
4c84a8f1
JB		 45#define DEBUGFS_ADD_FILE(name, parent, mode) do { \
46 if (!debugfs_create_file(#name, mode, parent, priv, \
47 &iwl_dbgfs_##name##_ops)) \
48 goto err; \
712b6cf5
TW		 49} while (0)
50
4c84a8f1
JB		 51#define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \
52 struct dentry *__tmp; \
53 __tmp = debugfs_create_bool(#name, S_IWUSR | S_IRUSR, \
54 parent, ptr); \
55 if (IS_ERR(__tmp) || !__tmp) \
56 goto err; \
712b6cf5
TW		 57} while (0)
58
4c84a8f1
JB		 59#define DEBUGFS_ADD_X32(name, parent, ptr) do { \
60 struct dentry *__tmp; \
61 __tmp = debugfs_create_x32(#name, S_IWUSR | S_IRUSR, \
62 parent, ptr); \
63 if (IS_ERR(__tmp) || !__tmp) \
64 goto err; \
445c2dff
TW		 65} while (0)
66
712b6cf5
TW		 67/* file operation */
68#define DEBUGFS_READ_FUNC(name) \
69static ssize_t iwl_dbgfs_##name##_read(struct file *file, \
70 char __user *user_buf, \
71 size_t count, loff_t *ppos);
72
73#define DEBUGFS_WRITE_FUNC(name) \
74static ssize_t iwl_dbgfs_##name##_write(struct file *file, \
75 const char __user *user_buf, \
76 size_t count, loff_t *ppos);
77
78
79static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file)
80{
81 file->private_data = inode->i_private;
82 return 0;
83}
84
85#define DEBUGFS_READ_FILE_OPS(name) \
86 DEBUGFS_READ_FUNC(name); \
87static const struct file_operations iwl_dbgfs_##name##_ops = { \
88 .read = iwl_dbgfs_##name##_read, \
89 .open = iwl_dbgfs_open_file_generic, \
2b18ab36 90 .llseek = generic_file_llseek, \
712b6cf5
TW		 91};
92
189a2b59
EK		 93#define DEBUGFS_WRITE_FILE_OPS(name) \
94 DEBUGFS_WRITE_FUNC(name); \
95static const struct file_operations iwl_dbgfs_##name##_ops = { \
96 .write = iwl_dbgfs_##name##_write, \
97 .open = iwl_dbgfs_open_file_generic, \
2b18ab36 98 .llseek = generic_file_llseek, \
189a2b59
EK		 99};
100
101
712b6cf5
TW		 102#define DEBUGFS_READ_WRITE_FILE_OPS(name) \
103 DEBUGFS_READ_FUNC(name); \
104 DEBUGFS_WRITE_FUNC(name); \
105static const struct file_operations iwl_dbgfs_##name##_ops = { \
106 .write = iwl_dbgfs_##name##_write, \
107 .read = iwl_dbgfs_##name##_read, \
108 .open = iwl_dbgfs_open_file_generic, \
2b18ab36 109 .llseek = generic_file_llseek, \
712b6cf5
TW		 110};
111
712b6cf5
TW		 112static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file,
113 char __user *user_buf,
114 size_t count, loff_t *ppos) {
115
28f63a4b 116 struct iwl_priv *priv = file->private_data;
22fdf3c9 117 char *buf;
712b6cf5
TW		 118 int pos = 0;
119
22fdf3c9
WYG		 120 int cnt;
121 ssize_t ret;
98a7b43b
WYG		 122 const size_t bufsz = 100 +
123 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
22fdf3c9
WYG		 124 buf = kzalloc(bufsz, GFP_KERNEL);
125 if (!buf)
126 return -ENOMEM;
127 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
128 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
129 pos += scnprintf(buf + pos, bufsz - pos,
98a7b43b 130 "\t%25s\t\t: %u\n",
22fdf3c9
WYG		 131 get_mgmt_string(cnt),
132 priv->tx_stats.mgmt[cnt]);
133 }
134 pos += scnprintf(buf + pos, bufsz - pos, "Control\n");
135 for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
136 pos += scnprintf(buf + pos, bufsz - pos,
98a7b43b 137 "\t%25s\t\t: %u\n",
22fdf3c9
WYG		 138 get_ctrl_string(cnt),
139 priv->tx_stats.ctrl[cnt]);
140 }
141 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
142 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
143 priv->tx_stats.data_cnt);
144 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
145 priv->tx_stats.data_bytes);
146 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
147 kfree(buf);
148 return ret;
149}
150
7163b8a4 151static ssize_t iwl_dbgfs_clear_traffic_statistics_write(struct file *file,
22fdf3c9
WYG		 152 const char __user *user_buf,
153 size_t count, loff_t *ppos)
154{
155 struct iwl_priv *priv = file->private_data;
156 u32 clear_flag;
157 char buf[8];
158 int buf_size;
712b6cf5 159
22fdf3c9
WYG		 160 memset(buf, 0, sizeof(buf));
161 buf_size = min(count, sizeof(buf) - 1);
162 if (copy_from_user(buf, user_buf, buf_size))
163 return -EFAULT;
164 if (sscanf(buf, "%x", &clear_flag) != 1)
165 return -EFAULT;
7163b8a4 166 iwl_clear_traffic_stats(priv);
22fdf3c9
WYG		 167
168 return count;
712b6cf5
TW		 169}
170
171static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file,
172 char __user *user_buf,
173 size_t count, loff_t *ppos) {
174
28f63a4b 175 struct iwl_priv *priv = file->private_data;
22fdf3c9 176 char *buf;
712b6cf5 177 int pos = 0;
22fdf3c9
WYG		 178 int cnt;
179 ssize_t ret;
180 const size_t bufsz = 100 +
98a7b43b 181 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
22fdf3c9
WYG		 182 buf = kzalloc(bufsz, GFP_KERNEL);
183 if (!buf)
184 return -ENOMEM;
712b6cf5 185
22fdf3c9
WYG		 186 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
187 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
188 pos += scnprintf(buf + pos, bufsz - pos,
98a7b43b 189 "\t%25s\t\t: %u\n",
22fdf3c9
WYG		 190 get_mgmt_string(cnt),
191 priv->rx_stats.mgmt[cnt]);
192 }
193 pos += scnprintf(buf + pos, bufsz - pos, "Control:\n");
194 for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
195 pos += scnprintf(buf + pos, bufsz - pos,
98a7b43b 196 "\t%25s\t\t: %u\n",
22fdf3c9
WYG		 197 get_ctrl_string(cnt),
198 priv->rx_stats.ctrl[cnt]);
199 }
200 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
201 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
202 priv->rx_stats.data_cnt);
203 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
204 priv->rx_stats.data_bytes);
712b6cf5 205
22fdf3c9
WYG		 206 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
207 kfree(buf);
208 return ret;
209}
210
712b6cf5
TW		 211static ssize_t iwl_dbgfs_sram_read(struct file *file,
212 char __user *user_buf,
213 size_t count, loff_t *ppos)
214{
24834d2c 215 u32 val = 0;
2943f136 216 char *buf;
712b6cf5 217 ssize_t ret;
24834d2c
JS		 218 int i = 0;
219 bool device_format = false;
220 int offset = 0;
221 int len = 0;
712b6cf5 222 int pos = 0;
24834d2c 223 int sram;
28f63a4b 224 struct iwl_priv *priv = file->private_data;
2943f136 225 size_t bufsz;
712b6cf5 226
5ade1e4d 227 /* default is to dump the entire data segment */
4c84a8f1
JB		 228 if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) {
229 priv->dbgfs_sram_offset = 0x800000;
872907bb 230 if (priv->ucode_type == IWL_UCODE_INIT)
dbf28e21 231 priv->dbgfs_sram_len = priv->ucode_init.data.len;
5ade1e4d 232 else
dbf28e21 233 priv->dbgfs_sram_len = priv->ucode_rt.data.len;
5ade1e4d 234 }
24834d2c
JS		 235 len = priv->dbgfs_sram_len;
236
237 if (len == -4) {
238 device_format = true;
239 len = 4;
240 }
241
242 bufsz = 50 + len * 4;
2943f136
WYG		 243 buf = kmalloc(bufsz, GFP_KERNEL);
244 if (!buf)
245 return -ENOMEM;
24834d2c 246
5ade1e4d 247 pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n",
24834d2c 248 len);
5ade1e4d 249 pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n",
4c84a8f1 250 priv->dbgfs_sram_offset);
24834d2c
JS		 251
252 /* adjust sram address since reads are only on even u32 boundaries */
253 offset = priv->dbgfs_sram_offset & 0x3;
254 sram = priv->dbgfs_sram_offset & ~0x3;
255
256 /* read the first u32 from sram */
257 val = iwl_read_targ_mem(priv, sram);
258
259 for (; len; len--) {
260 /* put the address at the start of every line */
261 if (i == 0)
262 pos += scnprintf(buf + pos, bufsz - pos,
263 "%08X: ", sram + offset);
264
265 if (device_format)
266 pos += scnprintf(buf + pos, bufsz - pos,
267 "%02x", (val >> (8 * (3 - offset))) & 0xff);
268 else
269 pos += scnprintf(buf + pos, bufsz - pos,
270 "%02x ", (val >> (8 * offset)) & 0xff);
271
272 /* if all bytes processed, read the next u32 from sram */
273 if (++offset == 4) {
274 sram += 4;
275 offset = 0;
276 val = iwl_read_targ_mem(priv, sram);
712b6cf5 277 }
24834d2c
JS		 278
279 /* put in extra spaces and split lines for human readability */
280 if (++i == 16) {
281 i = 0;
2943f136 282 pos += scnprintf(buf + pos, bufsz - pos, "\n");
24834d2c
JS		 283 } else if (!(i & 7)) {
284 pos += scnprintf(buf + pos, bufsz - pos, " ");
285 } else if (!(i & 3)) {
286 pos += scnprintf(buf + pos, bufsz - pos, " ");
287 }
712b6cf5 288 }
24834d2c
JS		 289 if (i)
290 pos += scnprintf(buf + pos, bufsz - pos, "\n");
712b6cf5
TW		 291
292 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2943f136 293 kfree(buf);
712b6cf5
TW		 294 return ret;
295}
296
297static ssize_t iwl_dbgfs_sram_write(struct file *file,
298 const char __user *user_buf,
299 size_t count, loff_t *ppos)
300{
301 struct iwl_priv *priv = file->private_data;
302 char buf[64];
303 int buf_size;
304 u32 offset, len;
305
306 memset(buf, 0, sizeof(buf));
307 buf_size = min(count, sizeof(buf) - 1);
308 if (copy_from_user(buf, user_buf, buf_size))
309 return -EFAULT;
310
311 if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
4c84a8f1
JB		 312 priv->dbgfs_sram_offset = offset;
313 priv->dbgfs_sram_len = len;
24834d2c
JS		 314 } else if (sscanf(buf, "%x", &offset) == 1) {
315 priv->dbgfs_sram_offset = offset;
316 priv->dbgfs_sram_len = -4;
712b6cf5 317 } else {
4c84a8f1
JB		 318 priv->dbgfs_sram_offset = 0;
319 priv->dbgfs_sram_len = 0;
712b6cf5
TW		 320 }
321
322 return count;
323}
324
325static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
326 size_t count, loff_t *ppos)
327{
28f63a4b 328 struct iwl_priv *priv = file->private_data;
6def9761 329 struct iwl_station_entry *station;
5425e490 330 int max_sta = priv->hw_params.max_stations;
712b6cf5
TW		 331 char *buf;
332 int i, j, pos = 0;
333 ssize_t ret;
334 /* Add 30 for initial string */
335 const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
712b6cf5
TW		 336
337 buf = kmalloc(bufsz, GFP_KERNEL);
3ac7f146 338 if (!buf)
712b6cf5
TW		 339 return -ENOMEM;
340
db0589f3 341 pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
712b6cf5
TW		 342 priv->num_stations);
343
344 for (i = 0; i < max_sta; i++) {
345 station = &priv->stations[i];
da73511d
JB		 346 if (!station->used)
347 continue;
348 pos += scnprintf(buf + pos, bufsz - pos,
349 "station %d - addr: %pM, flags: %#x\n",
350 i, station->sta.sta.addr,
351 station->sta.station_flags_msk);
352 pos += scnprintf(buf + pos, bufsz - pos,
353 "TID\tseq_num\ttxq_id\tframes\ttfds\t");
354 pos += scnprintf(buf + pos, bufsz - pos,
355 "start_idx\tbitmap\t\t\trate_n_flags\n");
712b6cf5 356
da73511d
JB		 357 for (j = 0; j < MAX_TID_COUNT; j++) {
358 pos += scnprintf(buf + pos, bufsz - pos,
359 "%d:\t%#x\t%#x\t%u\t%u\t%u\t\t%#.16llx\t%#x",
360 j, station->tid[j].seq_number,
361 station->tid[j].agg.txq_id,
362 station->tid[j].agg.frame_count,
363 station->tid[j].tfds_in_queue,
364 station->tid[j].agg.start_idx,
365 station->tid[j].agg.bitmap,
366 station->tid[j].agg.rate_n_flags);
367
368 if (station->tid[j].agg.wait_for_ba)
db0589f3 369 pos += scnprintf(buf + pos, bufsz - pos,
da73511d 370 " - waitforba");
db0589f3 371 pos += scnprintf(buf + pos, bufsz - pos, "\n");
712b6cf5 372 }
da73511d
JB		 373
374 pos += scnprintf(buf + pos, bufsz - pos, "\n");
712b6cf5
TW		 375 }
376
377 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
378 kfree(buf);
379 return ret;
380}
381
0848e297 382static ssize_t iwl_dbgfs_nvm_read(struct file *file,
8dd266ef
TW		 383 char __user *user_buf,
384 size_t count,
385 loff_t *ppos)
386{
387 ssize_t ret;
28f63a4b 388 struct iwl_priv *priv = file->private_data;
8dd266ef
TW		 389 int pos = 0, ofs = 0, buf_size = 0;
390 const u8 *ptr;
391 char *buf;
e307ddce 392 u16 eeprom_ver;
7cb1b088 393 size_t eeprom_len = priv->cfg->base_params->eeprom_size;
8dd266ef
TW		 394 buf_size = 4 * eeprom_len + 256;
395
396 if (eeprom_len % 16) {
0848e297 397 IWL_ERR(priv, "NVM size is not multiple of 16.\n");
8dd266ef
TW		 398 return -ENODATA;
399 }
400
c37457e6
JL		 401 ptr = priv->eeprom;
402 if (!ptr) {
403 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
404 return -ENOMEM;
405 }
406
8dd266ef
TW		 407 /* 4 characters for byte 0xYY */
408 buf = kzalloc(buf_size, GFP_KERNEL);
409 if (!buf) {
15b1687c 410 IWL_ERR(priv, "Can not allocate Buffer\n");
8dd266ef
TW		 411 return -ENOMEM;
412 }
e307ddce
WYG		 413 eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION);
414 pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, "
415 "version: 0x%x\n",
0848e297 416 (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
e307ddce 417 ? "OTP" : "EEPROM", eeprom_ver);
8dd266ef
TW		 418 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
419 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
420 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
421 buf_size - pos, 0);
2fac9717 422 pos += strlen(buf + pos);
8dd266ef
TW		 423 if (buf_size - pos > 0)
424 buf[pos++] = '\n';
425 }
426
427 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
428 kfree(buf);
429 return ret;
430}
712b6cf5 431
b03d7d0f
WYG		 432static ssize_t iwl_dbgfs_log_event_read(struct file *file,
433 char __user *user_buf,
434 size_t count, loff_t *ppos)
435{
436 struct iwl_priv *priv = file->private_data;
437 char *buf;
438 int pos = 0;
439 ssize_t ret = -ENOMEM;
440
3ecccbcd 441 ret = pos = iwl_dump_nic_event_log(priv, true, &buf, true);
937c397e 442 if (buf) {
b03d7d0f
WYG		 443 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
444 kfree(buf);
445 }
446 return ret;
447}
448
189a2b59
EK		 449static ssize_t iwl_dbgfs_log_event_write(struct file *file,
450 const char __user *user_buf,
451 size_t count, loff_t *ppos)
452{
453 struct iwl_priv *priv = file->private_data;
454 u32 event_log_flag;
455 char buf[8];
456 int buf_size;
457
458 memset(buf, 0, sizeof(buf));
459 buf_size = min(count, sizeof(buf) - 1);
460 if (copy_from_user(buf, user_buf, buf_size))
461 return -EFAULT;
462 if (sscanf(buf, "%d", &event_log_flag) != 1)
463 return -EFAULT;
464 if (event_log_flag == 1)
3ecccbcd 465 iwl_dump_nic_event_log(priv, true, NULL, false);
189a2b59
EK		 466
467 return count;
468}
469
d366df5a
WT		 470
471
472static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
473 size_t count, loff_t *ppos)
474{
28f63a4b 475 struct iwl_priv *priv = file->private_data;
d366df5a
WT		 476 struct ieee80211_channel *channels = NULL;
477 const struct ieee80211_supported_band *supp_band = NULL;
478 int pos = 0, i, bufsz = PAGE_SIZE;
479 char *buf;
480 ssize_t ret;
481
482 if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status))
483 return -EAGAIN;
484
485 buf = kzalloc(bufsz, GFP_KERNEL);
486 if (!buf) {
15b1687c 487 IWL_ERR(priv, "Can not allocate Buffer\n");
d366df5a
WT		 488 return -ENOMEM;
489 }
490
491 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
a2e2322d
WYG		 492 if (supp_band) {
493 channels = supp_band->channels;
d366df5a 494
d366df5a 495 pos += scnprintf(buf + pos, bufsz - pos,
a2e2322d
WYG		 496 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
497 supp_band->n_channels);
d366df5a 498
a2e2322d
WYG		 499 for (i = 0; i < supp_band->n_channels; i++)
500 pos += scnprintf(buf + pos, bufsz - pos,
501 "%d: %ddBm: BSS%s%s, %s.\n",
81e95430 502 channels[i].hw_value,
a2e2322d
WYG		 503 channels[i].max_power,
504 channels[i].flags & IEEE80211_CHAN_RADAR ?
505 " (IEEE 802.11h required)" : "",
506 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
507 || (channels[i].flags &
508 IEEE80211_CHAN_RADAR)) ? "" :
509 ", IBSS",
510 channels[i].flags &
511 IEEE80211_CHAN_PASSIVE_SCAN ?
512 "passive only" : "active/passive");
513 }
d366df5a 514 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
a2e2322d
WYG		 515 if (supp_band) {
516 channels = supp_band->channels;
d366df5a 517
d366df5a 518 pos += scnprintf(buf + pos, bufsz - pos,
a2e2322d
WYG		 519 "Displaying %d channels in 5.2GHz band (802.11a)\n",
520 supp_band->n_channels);
521
522 for (i = 0; i < supp_band->n_channels; i++)
523 pos += scnprintf(buf + pos, bufsz - pos,
524 "%d: %ddBm: BSS%s%s, %s.\n",
81e95430 525 channels[i].hw_value,
a2e2322d
WYG		 526 channels[i].max_power,
527 channels[i].flags & IEEE80211_CHAN_RADAR ?
528 " (IEEE 802.11h required)" : "",
529 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
530 || (channels[i].flags &
531 IEEE80211_CHAN_RADAR)) ? "" :
532 ", IBSS",
533 channels[i].flags &
534 IEEE80211_CHAN_PASSIVE_SCAN ?
535 "passive only" : "active/passive");
536 }
d366df5a
WT		 537 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
538 kfree(buf);
539 return ret;
540}
541
08df05aa
WYG		 542static ssize_t iwl_dbgfs_status_read(struct file *file,
543 char __user *user_buf,
544 size_t count, loff_t *ppos) {
545
28f63a4b 546 struct iwl_priv *priv = file->private_data;
08df05aa
WYG		 547 char buf[512];
548 int pos = 0;
549 const size_t bufsz = sizeof(buf);
550
551 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n",
552 test_bit(STATUS_HCMD_ACTIVE, &priv->status));
08df05aa
WYG		 553 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n",
554 test_bit(STATUS_INT_ENABLED, &priv->status));
555 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
556 test_bit(STATUS_RF_KILL_HW, &priv->status));
7812b167
WYG		 557 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n",
558 test_bit(STATUS_CT_KILL, &priv->status));
08df05aa
WYG		 559 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n",
560 test_bit(STATUS_INIT, &priv->status));
561 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
562 test_bit(STATUS_ALIVE, &priv->status));
563 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
564 test_bit(STATUS_READY, &priv->status));
565 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n",
566 test_bit(STATUS_TEMPERATURE, &priv->status));
567 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
568 test_bit(STATUS_GEO_CONFIGURED, &priv->status));
569 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
570 test_bit(STATUS_EXIT_PENDING, &priv->status));
08df05aa
WYG		 571 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
572 test_bit(STATUS_STATISTICS, &priv->status));
573 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
574 test_bit(STATUS_SCANNING, &priv->status));
575 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
576 test_bit(STATUS_SCAN_ABORTING, &priv->status));
577 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
578 test_bit(STATUS_SCAN_HW, &priv->status));
579 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
580 test_bit(STATUS_POWER_PMI, &priv->status));
581 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
582 test_bit(STATUS_FW_ERROR, &priv->status));
08df05aa
WYG		 583 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
584}
585
a83b9141
WYG		 586static ssize_t iwl_dbgfs_interrupt_read(struct file *file,
587 char __user *user_buf,
588 size_t count, loff_t *ppos) {
589
28f63a4b 590 struct iwl_priv *priv = file->private_data;
a83b9141
WYG		 591 int pos = 0;
592 int cnt = 0;
593 char *buf;
594 int bufsz = 24 * 64; /* 24 items * 64 char per item */
595 ssize_t ret;
596
597 buf = kzalloc(bufsz, GFP_KERNEL);
598 if (!buf) {
599 IWL_ERR(priv, "Can not allocate Buffer\n");
600 return -ENOMEM;
601 }
602
603 pos += scnprintf(buf + pos, bufsz - pos,
604 "Interrupt Statistics Report:\n");
605
606 pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n",
607 priv->isr_stats.hw);
608 pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n",
609 priv->isr_stats.sw);
6e6ebf4b 610 if (priv->isr_stats.sw || priv->isr_stats.hw) {
a83b9141
WYG		 611 pos += scnprintf(buf + pos, bufsz - pos,
612 "\tLast Restarting Code: 0x%X\n",
6e6ebf4b 613 priv->isr_stats.err_code);
a83b9141
WYG		 614 }
615#ifdef CONFIG_IWLWIFI_DEBUG
616 pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n",
617 priv->isr_stats.sch);
618 pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n",
619 priv->isr_stats.alive);
620#endif
621 pos += scnprintf(buf + pos, bufsz - pos,
622 "HW RF KILL switch toggled:\t %u\n",
623 priv->isr_stats.rfkill);
624
625 pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n",
626 priv->isr_stats.ctkill);
627
628 pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n",
629 priv->isr_stats.wakeup);
630
631 pos += scnprintf(buf + pos, bufsz - pos,
632 "Rx command responses:\t\t %u\n",
633 priv->isr_stats.rx);
634 for (cnt = 0; cnt < REPLY_MAX; cnt++) {
635 if (priv->isr_stats.rx_handlers[cnt] > 0)
636 pos += scnprintf(buf + pos, bufsz - pos,
637 "\tRx handler[%36s]:\t\t %u\n",
638 get_cmd_string(cnt),
639 priv->isr_stats.rx_handlers[cnt]);
640 }
641
642 pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n",
643 priv->isr_stats.tx);
644
645 pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n",
646 priv->isr_stats.unhandled);
647
648 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
649 kfree(buf);
650 return ret;
651}
652
653static ssize_t iwl_dbgfs_interrupt_write(struct file *file,
654 const char __user *user_buf,
655 size_t count, loff_t *ppos)
656{
657 struct iwl_priv *priv = file->private_data;
658 char buf[8];
659 int buf_size;
660 u32 reset_flag;
661
662 memset(buf, 0, sizeof(buf));
663 buf_size = min(count, sizeof(buf) - 1);
664 if (copy_from_user(buf, user_buf, buf_size))
665 return -EFAULT;
666 if (sscanf(buf, "%x", &reset_flag) != 1)
667 return -EFAULT;
668 if (reset_flag == 0)
669 iwl_clear_isr_stats(priv);
670
671 return count;
672}
673
f5ad69fa
WYG		 674static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
675 size_t count, loff_t *ppos)
676{
28f63a4b 677 struct iwl_priv *priv = file->private_data;
8dfdb9d5 678 struct iwl_rxon_context *ctx;
f5ad69fa 679 int pos = 0, i;
8dfdb9d5 680 char buf[256 * NUM_IWL_RXON_CTX];
f5ad69fa 681 const size_t bufsz = sizeof(buf);
f5ad69fa 682
8dfdb9d5
JB		 683 for_each_context(priv, ctx) {
684 pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n",
685 ctx->ctxid);
686 for (i = 0; i < AC_NUM; i++) {
687 pos += scnprintf(buf + pos, bufsz - pos,
688 "\tcw_min\tcw_max\taifsn\ttxop\n");
689 pos += scnprintf(buf + pos, bufsz - pos,
f5ad69fa 690 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
8dfdb9d5
JB		 691 ctx->qos_data.def_qos_parm.ac[i].cw_min,
692 ctx->qos_data.def_qos_parm.ac[i].cw_max,
693 ctx->qos_data.def_qos_parm.ac[i].aifsn,
694 ctx->qos_data.def_qos_parm.ac[i].edca_txop);
695 }
696 pos += scnprintf(buf + pos, bufsz - pos, "\n");
f5ad69fa 697 }
4967c316 698 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
f5ad69fa 699}
a83b9141 700
fbf3a2af
WYG		 701static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
702 char __user *user_buf,
703 size_t count, loff_t *ppos)
704{
28f63a4b 705 struct iwl_priv *priv = file->private_data;
3ad3b92a 706 struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
fbf3a2af
WYG		 707 struct iwl_tt_restriction *restriction;
708 char buf[100];
709 int pos = 0;
710 const size_t bufsz = sizeof(buf);
fbf3a2af
WYG		 711
712 pos += scnprintf(buf + pos, bufsz - pos,
713 "Thermal Throttling Mode: %s\n",
3ad3b92a 714 tt->advanced_tt ? "Advance" : "Legacy");
fbf3a2af
WYG		 715 pos += scnprintf(buf + pos, bufsz - pos,
716 "Thermal Throttling State: %d\n",
717 tt->state);
3ad3b92a 718 if (tt->advanced_tt) {
fbf3a2af
WYG		 719 restriction = tt->restriction + tt->state;
720 pos += scnprintf(buf + pos, bufsz - pos,
721 "Tx mode: %d\n",
722 restriction->tx_stream);
723 pos += scnprintf(buf + pos, bufsz - pos,
724 "Rx mode: %d\n",
725 restriction->rx_stream);
726 pos += scnprintf(buf + pos, bufsz - pos,
727 "HT mode: %d\n",
728 restriction->is_ht);
729 }
4967c316 730 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
fbf3a2af
WYG		 731}
732
1e4247d4
WYG		 733static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
734 const char __user *user_buf,
735 size_t count, loff_t *ppos)
736{
737 struct iwl_priv *priv = file->private_data;
738 char buf[8];
739 int buf_size;
740 int ht40;
741
742 memset(buf, 0, sizeof(buf));
743 buf_size = min(count, sizeof(buf) - 1);
744 if (copy_from_user(buf, user_buf, buf_size))
745 return -EFAULT;
746 if (sscanf(buf, "%d", &ht40) != 1)
747 return -EFAULT;
246ed355 748 if (!iwl_is_any_associated(priv))
1e4247d4
WYG		 749 priv->disable_ht40 = ht40 ? true : false;
750 else {
751 IWL_ERR(priv, "Sta associated with AP - "
752 "Change to 40MHz channel support is not allowed\n");
753 return -EINVAL;
754 }
755
756 return count;
757}
758
759static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
760 char __user *user_buf,
761 size_t count, loff_t *ppos)
762{
28f63a4b 763 struct iwl_priv *priv = file->private_data;
1e4247d4
WYG		 764 char buf[100];
765 int pos = 0;
766 const size_t bufsz = sizeof(buf);
1e4247d4
WYG		 767
768 pos += scnprintf(buf + pos, bufsz - pos,
769 "11n 40MHz Mode: %s\n",
770 priv->disable_ht40 ? "Disabled" : "Enabled");
4967c316 771 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1e4247d4
WYG		 772}
773
e312c24c
JB		 774static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
775 const char __user *user_buf,
776 size_t count, loff_t *ppos)
777{
778 struct iwl_priv *priv = file->private_data;
779 char buf[8];
780 int buf_size;
781 int value;
782
783 memset(buf, 0, sizeof(buf));
784 buf_size = min(count, sizeof(buf) - 1);
785 if (copy_from_user(buf, user_buf, buf_size))
786 return -EFAULT;
787
788 if (sscanf(buf, "%d", &value) != 1)
789 return -EINVAL;
790
791 /*
792 * Our users expect 0 to be "CAM", but 0 isn't actually
793 * valid here. However, let's not confuse them and present
794 * IWL_POWER_INDEX_1 as "1", not "0".
795 */
1a34c043
RC		 796 if (value == 0)
797 return -EINVAL;
798 else if (value > 0)
e312c24c
JB		 799 value -= 1;
800
801 if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
802 return -EINVAL;
803
4ad177b5
WYG		 804 if (!iwl_is_ready_rf(priv))
805 return -EAGAIN;
806
e312c24c
JB		 807 priv->power_data.debug_sleep_level_override = value;
808
d3a57197 809 mutex_lock(&priv->mutex);
4ad177b5 810 iwl_power_update_mode(priv, true);
d3a57197 811 mutex_unlock(&priv->mutex);
e312c24c
JB		 812
813 return count;
814}
815
816static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
817 char __user *user_buf,
818 size_t count, loff_t *ppos)
819{
28f63a4b 820 struct iwl_priv *priv = file->private_data;
e312c24c
JB		 821 char buf[10];
822 int pos, value;
823 const size_t bufsz = sizeof(buf);
824
825 /* see the write function */
826 value = priv->power_data.debug_sleep_level_override;
827 if (value >= 0)
828 value += 1;
829
830 pos = scnprintf(buf, bufsz, "%d\n", value);
831 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
832}
833
834static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
835 char __user *user_buf,
836 size_t count, loff_t *ppos)
837{
28f63a4b 838 struct iwl_priv *priv = file->private_data;
e312c24c
JB		 839 char buf[200];
840 int pos = 0, i;
841 const size_t bufsz = sizeof(buf);
842 struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
843
844 pos += scnprintf(buf + pos, bufsz - pos,
845 "flags: %#.2x\n", le16_to_cpu(cmd->flags));
846 pos += scnprintf(buf + pos, bufsz - pos,
847 "RX/TX timeout: %d/%d usec\n",
848 le32_to_cpu(cmd->rx_data_timeout),
849 le32_to_cpu(cmd->tx_data_timeout));
850 for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
851 pos += scnprintf(buf + pos, bufsz - pos,
852 "sleep_interval[%d]: %d\n", i,
853 le32_to_cpu(cmd->sleep_interval[i]));
854
855 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
856}
857
712b6cf5 858DEBUGFS_READ_WRITE_FILE_OPS(sram);
b03d7d0f 859DEBUGFS_READ_WRITE_FILE_OPS(log_event);
0848e297 860DEBUGFS_READ_FILE_OPS(nvm);
712b6cf5 861DEBUGFS_READ_FILE_OPS(stations);
d366df5a 862DEBUGFS_READ_FILE_OPS(channels);
08df05aa 863DEBUGFS_READ_FILE_OPS(status);
a83b9141 864DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
f5ad69fa 865DEBUGFS_READ_FILE_OPS(qos);
fbf3a2af 866DEBUGFS_READ_FILE_OPS(thermal_throttling);
1e4247d4 867DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
e312c24c
JB		 868DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
869DEBUGFS_READ_FILE_OPS(current_sleep_command);
712b6cf5 870
20594eb0
WYG		 871static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
872 char __user *user_buf,
873 size_t count, loff_t *ppos)
874{
875 struct iwl_priv *priv = file->private_data;
876 int pos = 0, ofs = 0;
877 int cnt = 0, entry;
878 struct iwl_tx_queue *txq;
879 struct iwl_queue *q;
880 struct iwl_rx_queue *rxq = &priv->rxq;
881 char *buf;
882 int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
7cb1b088 883 (priv->cfg->base_params->num_of_queues * 32 * 8) + 400;
20594eb0
WYG		 884 const u8 *ptr;
885 ssize_t ret;
886
88804e2b
WYG		 887 if (!priv->txq) {
888 IWL_ERR(priv, "txq not ready\n");
889 return -EAGAIN;
890 }
20594eb0
WYG		 891 buf = kzalloc(bufsz, GFP_KERNEL);
892 if (!buf) {
893 IWL_ERR(priv, "Can not allocate buffer\n");
894 return -ENOMEM;
895 }
896 pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n");
897 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
898 txq = &priv->txq[cnt];
899 q = &txq->q;
900 pos += scnprintf(buf + pos, bufsz - pos,
901 "q[%d]: read_ptr: %u, write_ptr: %u\n",
902 cnt, q->read_ptr, q->write_ptr);
903 }
904 if (priv->tx_traffic && (iwl_debug_level & IWL_DL_TX)) {
905 ptr = priv->tx_traffic;
906 pos += scnprintf(buf + pos, bufsz - pos,
907 "Tx Traffic idx: %u\n", priv->tx_traffic_idx);
908 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
909 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
910 entry++, ofs += 16) {
911 pos += scnprintf(buf + pos, bufsz - pos,
912 "0x%.4x ", ofs);
913 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
914 buf + pos, bufsz - pos, 0);
2fac9717 915 pos += strlen(buf + pos);
20594eb0
WYG		 916 if (bufsz - pos > 0)
917 buf[pos++] = '\n';
918 }
919 }
920 }
921
922 pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n");
923 pos += scnprintf(buf + pos, bufsz - pos,
924 "read: %u, write: %u\n",
925 rxq->read, rxq->write);
926
927 if (priv->rx_traffic && (iwl_debug_level & IWL_DL_RX)) {
928 ptr = priv->rx_traffic;
929 pos += scnprintf(buf + pos, bufsz - pos,
930 "Rx Traffic idx: %u\n", priv->rx_traffic_idx);
931 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
932 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
933 entry++, ofs += 16) {
934 pos += scnprintf(buf + pos, bufsz - pos,
935 "0x%.4x ", ofs);
936 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
937 buf + pos, bufsz - pos, 0);
2fac9717 938 pos += strlen(buf + pos);
20594eb0
WYG		 939 if (bufsz - pos > 0)
940 buf[pos++] = '\n';
941 }
942 }
943 }
944
945 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
946 kfree(buf);
947 return ret;
948}
949
950static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
951 const char __user *user_buf,
952 size_t count, loff_t *ppos)
953{
954 struct iwl_priv *priv = file->private_data;
955 char buf[8];
956 int buf_size;
957 int traffic_log;
958
959 memset(buf, 0, sizeof(buf));
960 buf_size = min(count, sizeof(buf) - 1);
961 if (copy_from_user(buf, user_buf, buf_size))
962 return -EFAULT;
963 if (sscanf(buf, "%d", &traffic_log) != 1)
964 return -EFAULT;
965 if (traffic_log == 0)
966 iwl_reset_traffic_log(priv);
967
968 return count;
969}
970
141b03e0
WYG		 971static ssize_t iwl_dbgfs_tx_queue_read(struct file *file,
972 char __user *user_buf,
973 size_t count, loff_t *ppos) {
974
28f63a4b 975 struct iwl_priv *priv = file->private_data;
141b03e0
WYG		 976 struct iwl_tx_queue *txq;
977 struct iwl_queue *q;
978 char *buf;
979 int pos = 0;
980 int cnt;
981 int ret;
7cb1b088
WYG		 982 const size_t bufsz = sizeof(char) * 64 *
983 priv->cfg->base_params->num_of_queues;
141b03e0 984
88804e2b
WYG		 985 if (!priv->txq) {
986 IWL_ERR(priv, "txq not ready\n");
987 return -EAGAIN;
988 }
141b03e0
WYG		 989 buf = kzalloc(bufsz, GFP_KERNEL);
990 if (!buf)
991 return -ENOMEM;
992
993 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
994 txq = &priv->txq[cnt];
995 q = &txq->q;
996 pos += scnprintf(buf + pos, bufsz - pos,
997 "hwq %.2d: read=%u write=%u stop=%d"
998 " swq_id=%#.2x (ac %d/hwq %d)\n",
999 cnt, q->read_ptr, q->write_ptr,
1000 !!test_bit(cnt, priv->queue_stopped),
ea9b307f
JB		 1001 txq->swq_id, txq->swq_id & 3,
1002 (txq->swq_id >> 2) & 0x1f);
141b03e0
WYG		 1003 if (cnt >= 4)
1004 continue;
1005 /* for the ACs, display the stop count too */
1006 pos += scnprintf(buf + pos, bufsz - pos,
1007 " stop-count: %d\n",
1008 atomic_read(&priv->queue_stop_count[cnt]));
1009 }
1010 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1011 kfree(buf);
1012 return ret;
1013}
1014
1015static ssize_t iwl_dbgfs_rx_queue_read(struct file *file,
1016 char __user *user_buf,
1017 size_t count, loff_t *ppos) {
1018
28f63a4b 1019 struct iwl_priv *priv = file->private_data;
141b03e0
WYG		 1020 struct iwl_rx_queue *rxq = &priv->rxq;
1021 char buf[256];
1022 int pos = 0;
1023 const size_t bufsz = sizeof(buf);
1024
1025 pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n",
1026 rxq->read);
1027 pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n",
1028 rxq->write);
1029 pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n",
1030 rxq->free_count);
f5cc6a22
DS		 1031 if (rxq->rb_stts) {
1032 pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n",
141b03e0 1033 le16_to_cpu(rxq->rb_stts->closed_rb_num) & 0x0FFF);
f5cc6a22
DS		 1034 } else {
1035 pos += scnprintf(buf + pos, bufsz - pos,
1036 "closed_rb_num: Not Allocated\n");
1037 }
141b03e0
WYG		 1038 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1039}
1040
d6d023a1
WYG		 1041static const char *fmt_value = " %-30s %10u\n";
1042static const char *fmt_hex = " %-30s 0x%02X\n";
1043static const char *fmt_table = " %-30s %10u %10u %10u %10u\n";
1044static const char *fmt_header =
1045 "%-32s current cumulative delta max\n";
1046
1047static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz)
1048{
1049 int p = 0;
1050 u32 flag;
1051
1052 flag = le32_to_cpu(priv->statistics.flag);
1053
1054 p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", flag);
1055 if (flag & UCODE_STATISTICS_CLEAR_MSK)
1056 p += scnprintf(buf + p, bufsz - p,
1057 "\tStatistics have been cleared\n");
1058 p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n",
1059 (flag & UCODE_STATISTICS_FREQUENCY_MSK)
1060 ? "2.4 GHz" : "5.2 GHz");
1061 p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n",
1062 (flag & UCODE_STATISTICS_NARROW_BAND_MSK)
1063 ? "enabled" : "disabled");
1064
1065 return p;
1066}
1067
e8fe59ae
WYG		 1068static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
1069 char __user *user_buf,
1070 size_t count, loff_t *ppos)
1071{
28f63a4b 1072 struct iwl_priv *priv = file->private_data;
d6d023a1
WYG		 1073 int pos = 0;
1074 char *buf;
1075 int bufsz = sizeof(struct statistics_rx_phy) * 40 +
1076 sizeof(struct statistics_rx_non_phy) * 40 +
1077 sizeof(struct statistics_rx_ht_phy) * 40 + 400;
1078 ssize_t ret;
1079 struct statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm;
1080 struct statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck;
1081 struct statistics_rx_non_phy *general, *accum_general;
1082 struct statistics_rx_non_phy *delta_general, *max_general;
1083 struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht;
1084
1085 if (!iwl_is_alive(priv))
1086 return -EAGAIN;
1087
1088 buf = kzalloc(bufsz, GFP_KERNEL);
1089 if (!buf) {
1090 IWL_ERR(priv, "Can not allocate Buffer\n");
1091 return -ENOMEM;
1092 }
1093
1094 /*
1095 * the statistic information display here is based on
1096 * the last statistics notification from uCode
1097 * might not reflect the current uCode activity
1098 */
1099 ofdm = &priv->statistics.rx_ofdm;
1100 cck = &priv->statistics.rx_cck;
1101 general = &priv->statistics.rx_non_phy;
1102 ht = &priv->statistics.rx_ofdm_ht;
1103 accum_ofdm = &priv->accum_stats.rx_ofdm;
1104 accum_cck = &priv->accum_stats.rx_cck;
1105 accum_general = &priv->accum_stats.rx_non_phy;
1106 accum_ht = &priv->accum_stats.rx_ofdm_ht;
1107 delta_ofdm = &priv->delta_stats.rx_ofdm;
1108 delta_cck = &priv->delta_stats.rx_cck;
1109 delta_general = &priv->delta_stats.rx_non_phy;
1110 delta_ht = &priv->delta_stats.rx_ofdm_ht;
1111 max_ofdm = &priv->max_delta_stats.rx_ofdm;
1112 max_cck = &priv->max_delta_stats.rx_cck;
1113 max_general = &priv->max_delta_stats.rx_non_phy;
1114 max_ht = &priv->max_delta_stats.rx_ofdm_ht;
1115
1116 pos += iwl_statistics_flag(priv, buf, bufsz);
1117 pos += scnprintf(buf + pos, bufsz - pos,
1118 fmt_header, "Statistics_Rx - OFDM:");
1119 pos += scnprintf(buf + pos, bufsz - pos,
1120 fmt_table, "ina_cnt:",
1121 le32_to_cpu(ofdm->ina_cnt),
1122 accum_ofdm->ina_cnt,
1123 delta_ofdm->ina_cnt, max_ofdm->ina_cnt);
1124 pos += scnprintf(buf + pos, bufsz - pos,
1125 fmt_table, "fina_cnt:",
1126 le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt,
1127 delta_ofdm->fina_cnt, max_ofdm->fina_cnt);
1128 pos += scnprintf(buf + pos, bufsz - pos,
1129 fmt_table, "plcp_err:",
1130 le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err,
1131 delta_ofdm->plcp_err, max_ofdm->plcp_err);
1132 pos += scnprintf(buf + pos, bufsz - pos,
1133 fmt_table, "crc32_err:",
1134 le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err,
1135 delta_ofdm->crc32_err, max_ofdm->crc32_err);
1136 pos += scnprintf(buf + pos, bufsz - pos,
1137 fmt_table, "overrun_err:",
1138 le32_to_cpu(ofdm->overrun_err),
1139 accum_ofdm->overrun_err, delta_ofdm->overrun_err,
1140 max_ofdm->overrun_err);
1141 pos += scnprintf(buf + pos, bufsz - pos,
1142 fmt_table, "early_overrun_err:",
1143 le32_to_cpu(ofdm->early_overrun_err),
1144 accum_ofdm->early_overrun_err,
1145 delta_ofdm->early_overrun_err,
1146 max_ofdm->early_overrun_err);
1147 pos += scnprintf(buf + pos, bufsz - pos,
1148 fmt_table, "crc32_good:",
1149 le32_to_cpu(ofdm->crc32_good),
1150 accum_ofdm->crc32_good, delta_ofdm->crc32_good,
1151 max_ofdm->crc32_good);
1152 pos += scnprintf(buf + pos, bufsz - pos,
1153 fmt_table, "false_alarm_cnt:",
1154 le32_to_cpu(ofdm->false_alarm_cnt),
1155 accum_ofdm->false_alarm_cnt,
1156 delta_ofdm->false_alarm_cnt,
1157 max_ofdm->false_alarm_cnt);
1158 pos += scnprintf(buf + pos, bufsz - pos,
1159 fmt_table, "fina_sync_err_cnt:",
1160 le32_to_cpu(ofdm->fina_sync_err_cnt),
1161 accum_ofdm->fina_sync_err_cnt,
1162 delta_ofdm->fina_sync_err_cnt,
1163 max_ofdm->fina_sync_err_cnt);
1164 pos += scnprintf(buf + pos, bufsz - pos,
1165 fmt_table, "sfd_timeout:",
1166 le32_to_cpu(ofdm->sfd_timeout),
1167 accum_ofdm->sfd_timeout, delta_ofdm->sfd_timeout,
1168 max_ofdm->sfd_timeout);
1169 pos += scnprintf(buf + pos, bufsz - pos,
1170 fmt_table, "fina_timeout:",
1171 le32_to_cpu(ofdm->fina_timeout),
1172 accum_ofdm->fina_timeout, delta_ofdm->fina_timeout,
1173 max_ofdm->fina_timeout);
1174 pos += scnprintf(buf + pos, bufsz - pos,
1175 fmt_table, "unresponded_rts:",
1176 le32_to_cpu(ofdm->unresponded_rts),
1177 accum_ofdm->unresponded_rts,
1178 delta_ofdm->unresponded_rts,
1179 max_ofdm->unresponded_rts);
1180 pos += scnprintf(buf + pos, bufsz - pos,
1181 fmt_table, "rxe_frame_lmt_ovrun:",
1182 le32_to_cpu(ofdm->rxe_frame_limit_overrun),
1183 accum_ofdm->rxe_frame_limit_overrun,
1184 delta_ofdm->rxe_frame_limit_overrun,
1185 max_ofdm->rxe_frame_limit_overrun);
1186 pos += scnprintf(buf + pos, bufsz - pos,
1187 fmt_table, "sent_ack_cnt:",
1188 le32_to_cpu(ofdm->sent_ack_cnt),
1189 accum_ofdm->sent_ack_cnt, delta_ofdm->sent_ack_cnt,
1190 max_ofdm->sent_ack_cnt);
1191 pos += scnprintf(buf + pos, bufsz - pos,
1192 fmt_table, "sent_cts_cnt:",
1193 le32_to_cpu(ofdm->sent_cts_cnt),
1194 accum_ofdm->sent_cts_cnt, delta_ofdm->sent_cts_cnt,
1195 max_ofdm->sent_cts_cnt);
1196 pos += scnprintf(buf + pos, bufsz - pos,
1197 fmt_table, "sent_ba_rsp_cnt:",
1198 le32_to_cpu(ofdm->sent_ba_rsp_cnt),
1199 accum_ofdm->sent_ba_rsp_cnt,
1200 delta_ofdm->sent_ba_rsp_cnt,
1201 max_ofdm->sent_ba_rsp_cnt);
1202 pos += scnprintf(buf + pos, bufsz - pos,
1203 fmt_table, "dsp_self_kill:",
1204 le32_to_cpu(ofdm->dsp_self_kill),
1205 accum_ofdm->dsp_self_kill,
1206 delta_ofdm->dsp_self_kill,
1207 max_ofdm->dsp_self_kill);
1208 pos += scnprintf(buf + pos, bufsz - pos,
1209 fmt_table, "mh_format_err:",
1210 le32_to_cpu(ofdm->mh_format_err),
1211 accum_ofdm->mh_format_err,
1212 delta_ofdm->mh_format_err,
1213 max_ofdm->mh_format_err);
1214 pos += scnprintf(buf + pos, bufsz - pos,
1215 fmt_table, "re_acq_main_rssi_sum:",
1216 le32_to_cpu(ofdm->re_acq_main_rssi_sum),
1217 accum_ofdm->re_acq_main_rssi_sum,
1218 delta_ofdm->re_acq_main_rssi_sum,
1219 max_ofdm->re_acq_main_rssi_sum);
1220
1221 pos += scnprintf(buf + pos, bufsz - pos,
1222 fmt_header, "Statistics_Rx - CCK:");
1223 pos += scnprintf(buf + pos, bufsz - pos,
1224 fmt_table, "ina_cnt:",
1225 le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt,
1226 delta_cck->ina_cnt, max_cck->ina_cnt);
1227 pos += scnprintf(buf + pos, bufsz - pos,
1228 fmt_table, "fina_cnt:",
1229 le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt,
1230 delta_cck->fina_cnt, max_cck->fina_cnt);
1231 pos += scnprintf(buf + pos, bufsz - pos,
1232 fmt_table, "plcp_err:",
1233 le32_to_cpu(cck->plcp_err), accum_cck->plcp_err,
1234 delta_cck->plcp_err, max_cck->plcp_err);
1235 pos += scnprintf(buf + pos, bufsz - pos,
1236 fmt_table, "crc32_err:",
1237 le32_to_cpu(cck->crc32_err), accum_cck->crc32_err,
1238 delta_cck->crc32_err, max_cck->crc32_err);
1239 pos += scnprintf(buf + pos, bufsz - pos,
1240 fmt_table, "overrun_err:",
1241 le32_to_cpu(cck->overrun_err),
1242 accum_cck->overrun_err, delta_cck->overrun_err,
1243 max_cck->overrun_err);
1244 pos += scnprintf(buf + pos, bufsz - pos,
1245 fmt_table, "early_overrun_err:",
1246 le32_to_cpu(cck->early_overrun_err),
1247 accum_cck->early_overrun_err,
1248 delta_cck->early_overrun_err,
1249 max_cck->early_overrun_err);
1250 pos += scnprintf(buf + pos, bufsz - pos,
1251 fmt_table, "crc32_good:",
1252 le32_to_cpu(cck->crc32_good), accum_cck->crc32_good,
1253 delta_cck->crc32_good, max_cck->crc32_good);
1254 pos += scnprintf(buf + pos, bufsz - pos,
1255 fmt_table, "false_alarm_cnt:",
1256 le32_to_cpu(cck->false_alarm_cnt),
1257 accum_cck->false_alarm_cnt,
1258 delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt);
1259 pos += scnprintf(buf + pos, bufsz - pos,
1260 fmt_table, "fina_sync_err_cnt:",
1261 le32_to_cpu(cck->fina_sync_err_cnt),
1262 accum_cck->fina_sync_err_cnt,
1263 delta_cck->fina_sync_err_cnt,
1264 max_cck->fina_sync_err_cnt);
1265 pos += scnprintf(buf + pos, bufsz - pos,
1266 fmt_table, "sfd_timeout:",
1267 le32_to_cpu(cck->sfd_timeout),
1268 accum_cck->sfd_timeout, delta_cck->sfd_timeout,
1269 max_cck->sfd_timeout);
1270 pos += scnprintf(buf + pos, bufsz - pos,
1271 fmt_table, "fina_timeout:",
1272 le32_to_cpu(cck->fina_timeout),
1273 accum_cck->fina_timeout, delta_cck->fina_timeout,
1274 max_cck->fina_timeout);
1275 pos += scnprintf(buf + pos, bufsz - pos,
1276 fmt_table, "unresponded_rts:",
1277 le32_to_cpu(cck->unresponded_rts),
1278 accum_cck->unresponded_rts, delta_cck->unresponded_rts,
1279 max_cck->unresponded_rts);
1280 pos += scnprintf(buf + pos, bufsz - pos,
1281 fmt_table, "rxe_frame_lmt_ovrun:",
1282 le32_to_cpu(cck->rxe_frame_limit_overrun),
1283 accum_cck->rxe_frame_limit_overrun,
1284 delta_cck->rxe_frame_limit_overrun,
1285 max_cck->rxe_frame_limit_overrun);
1286 pos += scnprintf(buf + pos, bufsz - pos,
1287 fmt_table, "sent_ack_cnt:",
1288 le32_to_cpu(cck->sent_ack_cnt),
1289 accum_cck->sent_ack_cnt, delta_cck->sent_ack_cnt,
1290 max_cck->sent_ack_cnt);
1291 pos += scnprintf(buf + pos, bufsz - pos,
1292 fmt_table, "sent_cts_cnt:",
1293 le32_to_cpu(cck->sent_cts_cnt),
1294 accum_cck->sent_cts_cnt, delta_cck->sent_cts_cnt,
1295 max_cck->sent_cts_cnt);
1296 pos += scnprintf(buf + pos, bufsz - pos,
1297 fmt_table, "sent_ba_rsp_cnt:",
1298 le32_to_cpu(cck->sent_ba_rsp_cnt),
1299 accum_cck->sent_ba_rsp_cnt,
1300 delta_cck->sent_ba_rsp_cnt,
1301 max_cck->sent_ba_rsp_cnt);
1302 pos += scnprintf(buf + pos, bufsz - pos,
1303 fmt_table, "dsp_self_kill:",
1304 le32_to_cpu(cck->dsp_self_kill),
1305 accum_cck->dsp_self_kill, delta_cck->dsp_self_kill,
1306 max_cck->dsp_self_kill);
1307 pos += scnprintf(buf + pos, bufsz - pos,
1308 fmt_table, "mh_format_err:",
1309 le32_to_cpu(cck->mh_format_err),
1310 accum_cck->mh_format_err, delta_cck->mh_format_err,
1311 max_cck->mh_format_err);
1312 pos += scnprintf(buf + pos, bufsz - pos,
1313 fmt_table, "re_acq_main_rssi_sum:",
1314 le32_to_cpu(cck->re_acq_main_rssi_sum),
1315 accum_cck->re_acq_main_rssi_sum,
1316 delta_cck->re_acq_main_rssi_sum,
1317 max_cck->re_acq_main_rssi_sum);
1318
1319 pos += scnprintf(buf + pos, bufsz - pos,
1320 fmt_header, "Statistics_Rx - GENERAL:");
1321 pos += scnprintf(buf + pos, bufsz - pos,
1322 fmt_table, "bogus_cts:",
1323 le32_to_cpu(general->bogus_cts),
1324 accum_general->bogus_cts, delta_general->bogus_cts,
1325 max_general->bogus_cts);
1326 pos += scnprintf(buf + pos, bufsz - pos,
1327 fmt_table, "bogus_ack:",
1328 le32_to_cpu(general->bogus_ack),
1329 accum_general->bogus_ack, delta_general->bogus_ack,
1330 max_general->bogus_ack);
1331 pos += scnprintf(buf + pos, bufsz - pos,
1332 fmt_table, "non_bssid_frames:",
1333 le32_to_cpu(general->non_bssid_frames),
1334 accum_general->non_bssid_frames,
1335 delta_general->non_bssid_frames,
1336 max_general->non_bssid_frames);
1337 pos += scnprintf(buf + pos, bufsz - pos,
1338 fmt_table, "filtered_frames:",
1339 le32_to_cpu(general->filtered_frames),
1340 accum_general->filtered_frames,
1341 delta_general->filtered_frames,
1342 max_general->filtered_frames);
1343 pos += scnprintf(buf + pos, bufsz - pos,
1344 fmt_table, "non_channel_beacons:",
1345 le32_to_cpu(general->non_channel_beacons),
1346 accum_general->non_channel_beacons,
1347 delta_general->non_channel_beacons,
1348 max_general->non_channel_beacons);
1349 pos += scnprintf(buf + pos, bufsz - pos,
1350 fmt_table, "channel_beacons:",
1351 le32_to_cpu(general->channel_beacons),
1352 accum_general->channel_beacons,
1353 delta_general->channel_beacons,
1354 max_general->channel_beacons);
1355 pos += scnprintf(buf + pos, bufsz - pos,
1356 fmt_table, "num_missed_bcon:",
1357 le32_to_cpu(general->num_missed_bcon),
1358 accum_general->num_missed_bcon,
1359 delta_general->num_missed_bcon,
1360 max_general->num_missed_bcon);
1361 pos += scnprintf(buf + pos, bufsz - pos,
1362 fmt_table, "adc_rx_saturation_time:",
1363 le32_to_cpu(general->adc_rx_saturation_time),
1364 accum_general->adc_rx_saturation_time,
1365 delta_general->adc_rx_saturation_time,
1366 max_general->adc_rx_saturation_time);
1367 pos += scnprintf(buf + pos, bufsz - pos,
1368 fmt_table, "ina_detect_search_tm:",
1369 le32_to_cpu(general->ina_detection_search_time),
1370 accum_general->ina_detection_search_time,
1371 delta_general->ina_detection_search_time,
1372 max_general->ina_detection_search_time);
1373 pos += scnprintf(buf + pos, bufsz - pos,
1374 fmt_table, "beacon_silence_rssi_a:",
1375 le32_to_cpu(general->beacon_silence_rssi_a),
1376 accum_general->beacon_silence_rssi_a,
1377 delta_general->beacon_silence_rssi_a,
1378 max_general->beacon_silence_rssi_a);
1379 pos += scnprintf(buf + pos, bufsz - pos,
1380 fmt_table, "beacon_silence_rssi_b:",
1381 le32_to_cpu(general->beacon_silence_rssi_b),
1382 accum_general->beacon_silence_rssi_b,
1383 delta_general->beacon_silence_rssi_b,
1384 max_general->beacon_silence_rssi_b);
1385 pos += scnprintf(buf + pos, bufsz - pos,
1386 fmt_table, "beacon_silence_rssi_c:",
1387 le32_to_cpu(general->beacon_silence_rssi_c),
1388 accum_general->beacon_silence_rssi_c,
1389 delta_general->beacon_silence_rssi_c,
1390 max_general->beacon_silence_rssi_c);
1391 pos += scnprintf(buf + pos, bufsz - pos,
1392 fmt_table, "interference_data_flag:",
1393 le32_to_cpu(general->interference_data_flag),
1394 accum_general->interference_data_flag,
1395 delta_general->interference_data_flag,
1396 max_general->interference_data_flag);
1397 pos += scnprintf(buf + pos, bufsz - pos,
1398 fmt_table, "channel_load:",
1399 le32_to_cpu(general->channel_load),
1400 accum_general->channel_load,
1401 delta_general->channel_load,
1402 max_general->channel_load);
1403 pos += scnprintf(buf + pos, bufsz - pos,
1404 fmt_table, "dsp_false_alarms:",
1405 le32_to_cpu(general->dsp_false_alarms),
1406 accum_general->dsp_false_alarms,
1407 delta_general->dsp_false_alarms,
1408 max_general->dsp_false_alarms);
1409 pos += scnprintf(buf + pos, bufsz - pos,
1410 fmt_table, "beacon_rssi_a:",
1411 le32_to_cpu(general->beacon_rssi_a),
1412 accum_general->beacon_rssi_a,
1413 delta_general->beacon_rssi_a,
1414 max_general->beacon_rssi_a);
1415 pos += scnprintf(buf + pos, bufsz - pos,
1416 fmt_table, "beacon_rssi_b:",
1417 le32_to_cpu(general->beacon_rssi_b),
1418 accum_general->beacon_rssi_b,
1419 delta_general->beacon_rssi_b,
1420 max_general->beacon_rssi_b);
1421 pos += scnprintf(buf + pos, bufsz - pos,
1422 fmt_table, "beacon_rssi_c:",
1423 le32_to_cpu(general->beacon_rssi_c),
1424 accum_general->beacon_rssi_c,
1425 delta_general->beacon_rssi_c,
1426 max_general->beacon_rssi_c);
1427 pos += scnprintf(buf + pos, bufsz - pos,
1428 fmt_table, "beacon_energy_a:",
1429 le32_to_cpu(general->beacon_energy_a),
1430 accum_general->beacon_energy_a,
1431 delta_general->beacon_energy_a,
1432 max_general->beacon_energy_a);
1433 pos += scnprintf(buf + pos, bufsz - pos,
1434 fmt_table, "beacon_energy_b:",
1435 le32_to_cpu(general->beacon_energy_b),
1436 accum_general->beacon_energy_b,
1437 delta_general->beacon_energy_b,
1438 max_general->beacon_energy_b);
1439 pos += scnprintf(buf + pos, bufsz - pos,
1440 fmt_table, "beacon_energy_c:",
1441 le32_to_cpu(general->beacon_energy_c),
1442 accum_general->beacon_energy_c,
1443 delta_general->beacon_energy_c,
1444 max_general->beacon_energy_c);
1445
1446 pos += scnprintf(buf + pos, bufsz - pos,
1447 fmt_header, "Statistics_Rx - OFDM_HT:");
1448 pos += scnprintf(buf + pos, bufsz - pos,
1449 fmt_table, "plcp_err:",
1450 le32_to_cpu(ht->plcp_err), accum_ht->plcp_err,
1451 delta_ht->plcp_err, max_ht->plcp_err);
1452 pos += scnprintf(buf + pos, bufsz - pos,
1453 fmt_table, "overrun_err:",
1454 le32_to_cpu(ht->overrun_err), accum_ht->overrun_err,
1455 delta_ht->overrun_err, max_ht->overrun_err);
1456 pos += scnprintf(buf + pos, bufsz - pos,
1457 fmt_table, "early_overrun_err:",
1458 le32_to_cpu(ht->early_overrun_err),
1459 accum_ht->early_overrun_err,
1460 delta_ht->early_overrun_err,
1461 max_ht->early_overrun_err);
1462 pos += scnprintf(buf + pos, bufsz - pos,
1463 fmt_table, "crc32_good:",
1464 le32_to_cpu(ht->crc32_good), accum_ht->crc32_good,
1465 delta_ht->crc32_good, max_ht->crc32_good);
1466 pos += scnprintf(buf + pos, bufsz - pos,
1467 fmt_table, "crc32_err:",
1468 le32_to_cpu(ht->crc32_err), accum_ht->crc32_err,
1469 delta_ht->crc32_err, max_ht->crc32_err);
1470 pos += scnprintf(buf + pos, bufsz - pos,
1471 fmt_table, "mh_format_err:",
1472 le32_to_cpu(ht->mh_format_err),
1473 accum_ht->mh_format_err,
1474 delta_ht->mh_format_err, max_ht->mh_format_err);
1475 pos += scnprintf(buf + pos, bufsz - pos,
1476 fmt_table, "agg_crc32_good:",
1477 le32_to_cpu(ht->agg_crc32_good),
1478 accum_ht->agg_crc32_good,
1479 delta_ht->agg_crc32_good, max_ht->agg_crc32_good);
1480 pos += scnprintf(buf + pos, bufsz - pos,
1481 fmt_table, "agg_mpdu_cnt:",
1482 le32_to_cpu(ht->agg_mpdu_cnt),
1483 accum_ht->agg_mpdu_cnt,
1484 delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt);
1485 pos += scnprintf(buf + pos, bufsz - pos,
1486 fmt_table, "agg_cnt:",
1487 le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt,
1488 delta_ht->agg_cnt, max_ht->agg_cnt);
1489 pos += scnprintf(buf + pos, bufsz - pos,
1490 fmt_table, "unsupport_mcs:",
1491 le32_to_cpu(ht->unsupport_mcs),
1492 accum_ht->unsupport_mcs,
1493 delta_ht->unsupport_mcs, max_ht->unsupport_mcs);
1494
1495 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1496 kfree(buf);
1497 return ret;
e8fe59ae
WYG		 1498}
1499
1500static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
1501 char __user *user_buf,
1502 size_t count, loff_t *ppos)
1503{
28f63a4b 1504 struct iwl_priv *priv = file->private_data;
d6d023a1
WYG		 1505 int pos = 0;
1506 char *buf;
1507 int bufsz = (sizeof(struct statistics_tx) * 48) + 250;
1508 ssize_t ret;
1509 struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx;
1510
1511 if (!iwl_is_alive(priv))
1512 return -EAGAIN;
1513
1514 buf = kzalloc(bufsz, GFP_KERNEL);
1515 if (!buf) {
1516 IWL_ERR(priv, "Can not allocate Buffer\n");
1517 return -ENOMEM;
1518 }
1519
1520 /* the statistic information display here is based on
1521 * the last statistics notification from uCode
1522 * might not reflect the current uCode activity
1523 */
1524 tx = &priv->statistics.tx;
1525 accum_tx = &priv->accum_stats.tx;
1526 delta_tx = &priv->delta_stats.tx;
1527 max_tx = &priv->max_delta_stats.tx;
1528
1529 pos += iwl_statistics_flag(priv, buf, bufsz);
1530 pos += scnprintf(buf + pos, bufsz - pos,
1531 fmt_header, "Statistics_Tx:");
1532 pos += scnprintf(buf + pos, bufsz - pos,
1533 fmt_table, "preamble:",
1534 le32_to_cpu(tx->preamble_cnt),
1535 accum_tx->preamble_cnt,
1536 delta_tx->preamble_cnt, max_tx->preamble_cnt);
1537 pos += scnprintf(buf + pos, bufsz - pos,
1538 fmt_table, "rx_detected_cnt:",
1539 le32_to_cpu(tx->rx_detected_cnt),
1540 accum_tx->rx_detected_cnt,
1541 delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt);
1542 pos += scnprintf(buf + pos, bufsz - pos,
1543 fmt_table, "bt_prio_defer_cnt:",
1544 le32_to_cpu(tx->bt_prio_defer_cnt),
1545 accum_tx->bt_prio_defer_cnt,
1546 delta_tx->bt_prio_defer_cnt,
1547 max_tx->bt_prio_defer_cnt);
1548 pos += scnprintf(buf + pos, bufsz - pos,
1549 fmt_table, "bt_prio_kill_cnt:",
1550 le32_to_cpu(tx->bt_prio_kill_cnt),
1551 accum_tx->bt_prio_kill_cnt,
1552 delta_tx->bt_prio_kill_cnt,
1553 max_tx->bt_prio_kill_cnt);
1554 pos += scnprintf(buf + pos, bufsz - pos,
1555 fmt_table, "few_bytes_cnt:",
1556 le32_to_cpu(tx->few_bytes_cnt),
1557 accum_tx->few_bytes_cnt,
1558 delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt);
1559 pos += scnprintf(buf + pos, bufsz - pos,
1560 fmt_table, "cts_timeout:",
1561 le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout,
1562 delta_tx->cts_timeout, max_tx->cts_timeout);
1563 pos += scnprintf(buf + pos, bufsz - pos,
1564 fmt_table, "ack_timeout:",
1565 le32_to_cpu(tx->ack_timeout),
1566 accum_tx->ack_timeout,
1567 delta_tx->ack_timeout, max_tx->ack_timeout);
1568 pos += scnprintf(buf + pos, bufsz - pos,
1569 fmt_table, "expected_ack_cnt:",
1570 le32_to_cpu(tx->expected_ack_cnt),
1571 accum_tx->expected_ack_cnt,
1572 delta_tx->expected_ack_cnt,
1573 max_tx->expected_ack_cnt);
1574 pos += scnprintf(buf + pos, bufsz - pos,
1575 fmt_table, "actual_ack_cnt:",
1576 le32_to_cpu(tx->actual_ack_cnt),
1577 accum_tx->actual_ack_cnt,
1578 delta_tx->actual_ack_cnt,
1579 max_tx->actual_ack_cnt);
1580 pos += scnprintf(buf + pos, bufsz - pos,
1581 fmt_table, "dump_msdu_cnt:",
1582 le32_to_cpu(tx->dump_msdu_cnt),
1583 accum_tx->dump_msdu_cnt,
1584 delta_tx->dump_msdu_cnt,
1585 max_tx->dump_msdu_cnt);
1586 pos += scnprintf(buf + pos, bufsz - pos,
1587 fmt_table, "abort_nxt_frame_mismatch:",
1588 le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt),
1589 accum_tx->burst_abort_next_frame_mismatch_cnt,
1590 delta_tx->burst_abort_next_frame_mismatch_cnt,
1591 max_tx->burst_abort_next_frame_mismatch_cnt);
1592 pos += scnprintf(buf + pos, bufsz - pos,
1593 fmt_table, "abort_missing_nxt_frame:",
1594 le32_to_cpu(tx->burst_abort_missing_next_frame_cnt),
1595 accum_tx->burst_abort_missing_next_frame_cnt,
1596 delta_tx->burst_abort_missing_next_frame_cnt,
1597 max_tx->burst_abort_missing_next_frame_cnt);
1598 pos += scnprintf(buf + pos, bufsz - pos,
1599 fmt_table, "cts_timeout_collision:",
1600 le32_to_cpu(tx->cts_timeout_collision),
1601 accum_tx->cts_timeout_collision,
1602 delta_tx->cts_timeout_collision,
1603 max_tx->cts_timeout_collision);
1604 pos += scnprintf(buf + pos, bufsz - pos,
1605 fmt_table, "ack_ba_timeout_collision:",
1606 le32_to_cpu(tx->ack_or_ba_timeout_collision),
1607 accum_tx->ack_or_ba_timeout_collision,
1608 delta_tx->ack_or_ba_timeout_collision,
1609 max_tx->ack_or_ba_timeout_collision);
1610 pos += scnprintf(buf + pos, bufsz - pos,
1611 fmt_table, "agg ba_timeout:",
1612 le32_to_cpu(tx->agg.ba_timeout),
1613 accum_tx->agg.ba_timeout,
1614 delta_tx->agg.ba_timeout,
1615 max_tx->agg.ba_timeout);
1616 pos += scnprintf(buf + pos, bufsz - pos,
1617 fmt_table, "agg ba_resched_frames:",
1618 le32_to_cpu(tx->agg.ba_reschedule_frames),
1619 accum_tx->agg.ba_reschedule_frames,
1620 delta_tx->agg.ba_reschedule_frames,
1621 max_tx->agg.ba_reschedule_frames);
1622 pos += scnprintf(buf + pos, bufsz - pos,
1623 fmt_table, "agg scd_query_agg_frame:",
1624 le32_to_cpu(tx->agg.scd_query_agg_frame_cnt),
1625 accum_tx->agg.scd_query_agg_frame_cnt,
1626 delta_tx->agg.scd_query_agg_frame_cnt,
1627 max_tx->agg.scd_query_agg_frame_cnt);
1628 pos += scnprintf(buf + pos, bufsz - pos,
1629 fmt_table, "agg scd_query_no_agg:",
1630 le32_to_cpu(tx->agg.scd_query_no_agg),
1631 accum_tx->agg.scd_query_no_agg,
1632 delta_tx->agg.scd_query_no_agg,
1633 max_tx->agg.scd_query_no_agg);
1634 pos += scnprintf(buf + pos, bufsz - pos,
1635 fmt_table, "agg scd_query_agg:",
1636 le32_to_cpu(tx->agg.scd_query_agg),
1637 accum_tx->agg.scd_query_agg,
1638 delta_tx->agg.scd_query_agg,
1639 max_tx->agg.scd_query_agg);
1640 pos += scnprintf(buf + pos, bufsz - pos,
1641 fmt_table, "agg scd_query_mismatch:",
1642 le32_to_cpu(tx->agg.scd_query_mismatch),
1643 accum_tx->agg.scd_query_mismatch,
1644 delta_tx->agg.scd_query_mismatch,
1645 max_tx->agg.scd_query_mismatch);
1646 pos += scnprintf(buf + pos, bufsz - pos,
1647 fmt_table, "agg frame_not_ready:",
1648 le32_to_cpu(tx->agg.frame_not_ready),
1649 accum_tx->agg.frame_not_ready,
1650 delta_tx->agg.frame_not_ready,
1651 max_tx->agg.frame_not_ready);
1652 pos += scnprintf(buf + pos, bufsz - pos,
1653 fmt_table, "agg underrun:",
1654 le32_to_cpu(tx->agg.underrun),
1655 accum_tx->agg.underrun,
1656 delta_tx->agg.underrun, max_tx->agg.underrun);
1657 pos += scnprintf(buf + pos, bufsz - pos,
1658 fmt_table, "agg bt_prio_kill:",
1659 le32_to_cpu(tx->agg.bt_prio_kill),
1660 accum_tx->agg.bt_prio_kill,
1661 delta_tx->agg.bt_prio_kill,
1662 max_tx->agg.bt_prio_kill);
1663 pos += scnprintf(buf + pos, bufsz - pos,
1664 fmt_table, "agg rx_ba_rsp_cnt:",
1665 le32_to_cpu(tx->agg.rx_ba_rsp_cnt),
1666 accum_tx->agg.rx_ba_rsp_cnt,
1667 delta_tx->agg.rx_ba_rsp_cnt,
1668 max_tx->agg.rx_ba_rsp_cnt);
1669
1670 if (tx->tx_power.ant_a || tx->tx_power.ant_b || tx->tx_power.ant_c) {
1671 pos += scnprintf(buf + pos, bufsz - pos,
1672 "tx power: (1/2 dB step)\n");
1673 if ((priv->cfg->valid_tx_ant & ANT_A) && tx->tx_power.ant_a)
1674 pos += scnprintf(buf + pos, bufsz - pos,
1675 fmt_hex, "antenna A:",
1676 tx->tx_power.ant_a);
1677 if ((priv->cfg->valid_tx_ant & ANT_B) && tx->tx_power.ant_b)
1678 pos += scnprintf(buf + pos, bufsz - pos,
1679 fmt_hex, "antenna B:",
1680 tx->tx_power.ant_b);
1681 if ((priv->cfg->valid_tx_ant & ANT_C) && tx->tx_power.ant_c)
1682 pos += scnprintf(buf + pos, bufsz - pos,
1683 fmt_hex, "antenna C:",
1684 tx->tx_power.ant_c);
1685 }
1686 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1687 kfree(buf);
1688 return ret;
e8fe59ae
WYG		 1689}
1690
1691static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1692 char __user *user_buf,
1693 size_t count, loff_t *ppos)
1694{
28f63a4b 1695 struct iwl_priv *priv = file->private_data;
d6d023a1
WYG		 1696 int pos = 0;
1697 char *buf;
1698 int bufsz = sizeof(struct statistics_general) * 10 + 300;
1699 ssize_t ret;
1700 struct statistics_general_common *general, *accum_general;
1701 struct statistics_general_common *delta_general, *max_general;
1702 struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg;
1703 struct statistics_div *div, *accum_div, *delta_div, *max_div;
1704
1705 if (!iwl_is_alive(priv))
1706 return -EAGAIN;
1707
1708 buf = kzalloc(bufsz, GFP_KERNEL);
1709 if (!buf) {
1710 IWL_ERR(priv, "Can not allocate Buffer\n");
1711 return -ENOMEM;
1712 }
1713
1714 /* the statistic information display here is based on
1715 * the last statistics notification from uCode
1716 * might not reflect the current uCode activity
1717 */
1718 general = &priv->statistics.common;
1719 dbg = &priv->statistics.common.dbg;
1720 div = &priv->statistics.common.div;
1721 accum_general = &priv->accum_stats.common;
1722 accum_dbg = &priv->accum_stats.common.dbg;
1723 accum_div = &priv->accum_stats.common.div;
1724 delta_general = &priv->delta_stats.common;
1725 max_general = &priv->max_delta_stats.common;
1726 delta_dbg = &priv->delta_stats.common.dbg;
1727 max_dbg = &priv->max_delta_stats.common.dbg;
1728 delta_div = &priv->delta_stats.common.div;
1729 max_div = &priv->max_delta_stats.common.div;
1730
1731 pos += iwl_statistics_flag(priv, buf, bufsz);
1732 pos += scnprintf(buf + pos, bufsz - pos,
1733 fmt_header, "Statistics_General:");
1734 pos += scnprintf(buf + pos, bufsz - pos,
1735 fmt_value, "temperature:",
1736 le32_to_cpu(general->temperature));
1737 pos += scnprintf(buf + pos, bufsz - pos,
1738 fmt_value, "temperature_m:",
1739 le32_to_cpu(general->temperature_m));
1740 pos += scnprintf(buf + pos, bufsz - pos,
1741 fmt_value, "ttl_timestamp:",
1742 le32_to_cpu(general->ttl_timestamp));
1743 pos += scnprintf(buf + pos, bufsz - pos,
1744 fmt_table, "burst_check:",
1745 le32_to_cpu(dbg->burst_check),
1746 accum_dbg->burst_check,
1747 delta_dbg->burst_check, max_dbg->burst_check);
1748 pos += scnprintf(buf + pos, bufsz - pos,
1749 fmt_table, "burst_count:",
1750 le32_to_cpu(dbg->burst_count),
1751 accum_dbg->burst_count,
1752 delta_dbg->burst_count, max_dbg->burst_count);
1753 pos += scnprintf(buf + pos, bufsz - pos,
1754 fmt_table, "wait_for_silence_timeout_count:",
1755 le32_to_cpu(dbg->wait_for_silence_timeout_cnt),
1756 accum_dbg->wait_for_silence_timeout_cnt,
1757 delta_dbg->wait_for_silence_timeout_cnt,
1758 max_dbg->wait_for_silence_timeout_cnt);
1759 pos += scnprintf(buf + pos, bufsz - pos,
1760 fmt_table, "sleep_time:",
1761 le32_to_cpu(general->sleep_time),
1762 accum_general->sleep_time,
1763 delta_general->sleep_time, max_general->sleep_time);
1764 pos += scnprintf(buf + pos, bufsz - pos,
1765 fmt_table, "slots_out:",
1766 le32_to_cpu(general->slots_out),
1767 accum_general->slots_out,
1768 delta_general->slots_out, max_general->slots_out);
1769 pos += scnprintf(buf + pos, bufsz - pos,
1770 fmt_table, "slots_idle:",
1771 le32_to_cpu(general->slots_idle),
1772 accum_general->slots_idle,
1773 delta_general->slots_idle, max_general->slots_idle);
1774 pos += scnprintf(buf + pos, bufsz - pos,
1775 fmt_table, "tx_on_a:",
1776 le32_to_cpu(div->tx_on_a), accum_div->tx_on_a,
1777 delta_div->tx_on_a, max_div->tx_on_a);
1778 pos += scnprintf(buf + pos, bufsz - pos,
1779 fmt_table, "tx_on_b:",
1780 le32_to_cpu(div->tx_on_b), accum_div->tx_on_b,
1781 delta_div->tx_on_b, max_div->tx_on_b);
1782 pos += scnprintf(buf + pos, bufsz - pos,
1783 fmt_table, "exec_time:",
1784 le32_to_cpu(div->exec_time), accum_div->exec_time,
1785 delta_div->exec_time, max_div->exec_time);
1786 pos += scnprintf(buf + pos, bufsz - pos,
1787 fmt_table, "probe_time:",
1788 le32_to_cpu(div->probe_time), accum_div->probe_time,
1789 delta_div->probe_time, max_div->probe_time);
1790 pos += scnprintf(buf + pos, bufsz - pos,
1791 fmt_table, "rx_enable_counter:",
1792 le32_to_cpu(general->rx_enable_counter),
1793 accum_general->rx_enable_counter,
1794 delta_general->rx_enable_counter,
1795 max_general->rx_enable_counter);
1796 pos += scnprintf(buf + pos, bufsz - pos,
1797 fmt_table, "num_of_sos_states:",
1798 le32_to_cpu(general->num_of_sos_states),
1799 accum_general->num_of_sos_states,
1800 delta_general->num_of_sos_states,
1801 max_general->num_of_sos_states);
1802 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1803 kfree(buf);
1804 return ret;
1805}
1806
1807static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file,
1808 char __user *user_buf,
1809 size_t count, loff_t *ppos)
1810{
1811 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1812 int pos = 0;
1813 char *buf;
1814 int bufsz = (sizeof(struct statistics_bt_activity) * 24) + 200;
1815 ssize_t ret;
1816 struct statistics_bt_activity *bt, *accum_bt;
1817
1818 if (!iwl_is_alive(priv))
1819 return -EAGAIN;
1820
1821 if (!priv->bt_enable_flag)
1822 return -EINVAL;
1823
1824 /* make request to uCode to retrieve statistics information */
1825 mutex_lock(&priv->mutex);
1826 ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
1827 mutex_unlock(&priv->mutex);
1828
1829 if (ret) {
1830 IWL_ERR(priv,
1831 "Error sending statistics request: %zd\n", ret);
1832 return -EAGAIN;
1833 }
1834 buf = kzalloc(bufsz, GFP_KERNEL);
1835 if (!buf) {
1836 IWL_ERR(priv, "Can not allocate Buffer\n");
1837 return -ENOMEM;
1838 }
1839
1840 /*
1841 * the statistic information display here is based on
1842 * the last statistics notification from uCode
1843 * might not reflect the current uCode activity
1844 */
1845 bt = &priv->statistics.bt_activity;
1846 accum_bt = &priv->accum_stats.bt_activity;
1847
1848 pos += iwl_statistics_flag(priv, buf, bufsz);
1849 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_BT:\n");
1850 pos += scnprintf(buf + pos, bufsz - pos,
1851 "\t\t\tcurrent\t\t\taccumulative\n");
1852 pos += scnprintf(buf + pos, bufsz - pos,
1853 "hi_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1854 le32_to_cpu(bt->hi_priority_tx_req_cnt),
1855 accum_bt->hi_priority_tx_req_cnt);
1856 pos += scnprintf(buf + pos, bufsz - pos,
1857 "hi_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1858 le32_to_cpu(bt->hi_priority_tx_denied_cnt),
1859 accum_bt->hi_priority_tx_denied_cnt);
1860 pos += scnprintf(buf + pos, bufsz - pos,
1861 "lo_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1862 le32_to_cpu(bt->lo_priority_tx_req_cnt),
1863 accum_bt->lo_priority_tx_req_cnt);
1864 pos += scnprintf(buf + pos, bufsz - pos,
1865 "lo_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1866 le32_to_cpu(bt->lo_priority_tx_denied_cnt),
1867 accum_bt->lo_priority_tx_denied_cnt);
1868 pos += scnprintf(buf + pos, bufsz - pos,
1869 "hi_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1870 le32_to_cpu(bt->hi_priority_rx_req_cnt),
1871 accum_bt->hi_priority_rx_req_cnt);
1872 pos += scnprintf(buf + pos, bufsz - pos,
1873 "hi_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1874 le32_to_cpu(bt->hi_priority_rx_denied_cnt),
1875 accum_bt->hi_priority_rx_denied_cnt);
1876 pos += scnprintf(buf + pos, bufsz - pos,
1877 "lo_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1878 le32_to_cpu(bt->lo_priority_rx_req_cnt),
1879 accum_bt->lo_priority_rx_req_cnt);
1880 pos += scnprintf(buf + pos, bufsz - pos,
1881 "lo_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1882 le32_to_cpu(bt->lo_priority_rx_denied_cnt),
1883 accum_bt->lo_priority_rx_denied_cnt);
1884
1885 pos += scnprintf(buf + pos, bufsz - pos,
1886 "(rx)num_bt_kills:\t\t%u\t\t\t%u\n",
1887 le32_to_cpu(priv->statistics.num_bt_kills),
1888 priv->statistics.accum_num_bt_kills);
1889
1890 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1891 kfree(buf);
1892 return ret;
1893}
1894
1895static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file,
1896 char __user *user_buf,
1897 size_t count, loff_t *ppos)
1898{
1899 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1900 int pos = 0;
1901 char *buf;
1902 int bufsz = (sizeof(struct reply_tx_error_statistics) * 24) +
1903 (sizeof(struct reply_agg_tx_error_statistics) * 24) + 200;
1904 ssize_t ret;
1905
1906 if (!iwl_is_alive(priv))
1907 return -EAGAIN;
1908
1909 buf = kzalloc(bufsz, GFP_KERNEL);
1910 if (!buf) {
1911 IWL_ERR(priv, "Can not allocate Buffer\n");
1912 return -ENOMEM;
1913 }
1914
1915 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_TX_Error:\n");
1916 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t\t%u\n",
1917 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_DELAY),
1918 priv->_agn.reply_tx_stats.pp_delay);
1919 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1920 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_FEW_BYTES),
1921 priv->_agn.reply_tx_stats.pp_few_bytes);
1922 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1923 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_BT_PRIO),
1924 priv->_agn.reply_tx_stats.pp_bt_prio);
1925 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1926 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_QUIET_PERIOD),
1927 priv->_agn.reply_tx_stats.pp_quiet_period);
1928 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1929 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_CALC_TTAK),
1930 priv->_agn.reply_tx_stats.pp_calc_ttak);
1931 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1932 iwl_get_tx_fail_reason(
1933 TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY),
1934 priv->_agn.reply_tx_stats.int_crossed_retry);
1935 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1936 iwl_get_tx_fail_reason(TX_STATUS_FAIL_SHORT_LIMIT),
1937 priv->_agn.reply_tx_stats.short_limit);
1938 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1939 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LONG_LIMIT),
1940 priv->_agn.reply_tx_stats.long_limit);
1941 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1942 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_UNDERRUN),
1943 priv->_agn.reply_tx_stats.fifo_underrun);
1944 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1945 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DRAIN_FLOW),
1946 priv->_agn.reply_tx_stats.drain_flow);
1947 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1948 iwl_get_tx_fail_reason(TX_STATUS_FAIL_RFKILL_FLUSH),
1949 priv->_agn.reply_tx_stats.rfkill_flush);
1950 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1951 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LIFE_EXPIRE),
1952 priv->_agn.reply_tx_stats.life_expire);
1953 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1954 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DEST_PS),
1955 priv->_agn.reply_tx_stats.dest_ps);
1956 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1957 iwl_get_tx_fail_reason(TX_STATUS_FAIL_HOST_ABORTED),
1958 priv->_agn.reply_tx_stats.host_abort);
1959 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1960 iwl_get_tx_fail_reason(TX_STATUS_FAIL_BT_RETRY),
1961 priv->_agn.reply_tx_stats.pp_delay);
1962 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1963 iwl_get_tx_fail_reason(TX_STATUS_FAIL_STA_INVALID),
1964 priv->_agn.reply_tx_stats.sta_invalid);
1965 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1966 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FRAG_DROPPED),
1967 priv->_agn.reply_tx_stats.frag_drop);
1968 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1969 iwl_get_tx_fail_reason(TX_STATUS_FAIL_TID_DISABLE),
1970 priv->_agn.reply_tx_stats.tid_disable);
1971 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1972 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_FLUSHED),
1973 priv->_agn.reply_tx_stats.fifo_flush);
1974 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1975 iwl_get_tx_fail_reason(
1976 TX_STATUS_FAIL_INSUFFICIENT_CF_POLL),
1977 priv->_agn.reply_tx_stats.insuff_cf_poll);
1978 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1979 iwl_get_tx_fail_reason(TX_STATUS_FAIL_PASSIVE_NO_RX),
1980 priv->_agn.reply_tx_stats.fail_hw_drop);
1981 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1982 iwl_get_tx_fail_reason(
1983 TX_STATUS_FAIL_NO_BEACON_ON_RADAR),
1984 priv->_agn.reply_tx_stats.sta_color_mismatch);
1985 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
1986 priv->_agn.reply_tx_stats.unknown);
1987
1988 pos += scnprintf(buf + pos, bufsz - pos,
1989 "\nStatistics_Agg_TX_Error:\n");
1990
1991 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1992 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_UNDERRUN_MSK),
1993 priv->_agn.reply_agg_tx_stats.underrun);
1994 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1995 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_BT_PRIO_MSK),
1996 priv->_agn.reply_agg_tx_stats.bt_prio);
1997 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1998 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_FEW_BYTES_MSK),
1999 priv->_agn.reply_agg_tx_stats.few_bytes);
2000 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
2001 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_ABORT_MSK),
2002 priv->_agn.reply_agg_tx_stats.abort);
2003 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
2004 iwl_get_agg_tx_fail_reason(
2005 AGG_TX_STATE_LAST_SENT_TTL_MSK),
2006 priv->_agn.reply_agg_tx_stats.last_sent_ttl);
2007 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
2008 iwl_get_agg_tx_fail_reason(
2009 AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK),
2010 priv->_agn.reply_agg_tx_stats.last_sent_try);
2011 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
2012 iwl_get_agg_tx_fail_reason(
2013 AGG_TX_STATE_LAST_SENT_BT_KILL_MSK),
2014 priv->_agn.reply_agg_tx_stats.last_sent_bt_kill);
2015 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
2016 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_SCD_QUERY_MSK),
2017 priv->_agn.reply_agg_tx_stats.scd_query);
2018 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
2019 iwl_get_agg_tx_fail_reason(
2020 AGG_TX_STATE_TEST_BAD_CRC32_MSK),
2021 priv->_agn.reply_agg_tx_stats.bad_crc32);
2022 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
2023 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_RESPONSE_MSK),
2024 priv->_agn.reply_agg_tx_stats.response);
2025 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
2026 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DUMP_TX_MSK),
2027 priv->_agn.reply_agg_tx_stats.dump_tx);
2028 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
2029 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DELAY_TX_MSK),
2030 priv->_agn.reply_agg_tx_stats.delay_tx);
2031 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
2032 priv->_agn.reply_agg_tx_stats.unknown);
2033
2034 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2035 kfree(buf);
2036 return ret;
e8fe59ae
WYG		 2037}
2038
5225935b
WYG		 2039static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
2040 char __user *user_buf,
2041 size_t count, loff_t *ppos) {
2042
28f63a4b 2043 struct iwl_priv *priv = file->private_data;
5225935b
WYG		 2044 int pos = 0;
2045 int cnt = 0;
2046 char *buf;
2047 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
2048 ssize_t ret;
2049 struct iwl_sensitivity_data *data;
2050
2051 data = &priv->sensitivity_data;
2052 buf = kzalloc(bufsz, GFP_KERNEL);
2053 if (!buf) {
2054 IWL_ERR(priv, "Can not allocate Buffer\n");
2055 return -ENOMEM;
2056 }
2057
2058 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
2059 data->auto_corr_ofdm);
2060 pos += scnprintf(buf + pos, bufsz - pos,
2061 "auto_corr_ofdm_mrc:\t\t %u\n",
2062 data->auto_corr_ofdm_mrc);
2063 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
2064 data->auto_corr_ofdm_x1);
2065 pos += scnprintf(buf + pos, bufsz - pos,
2066 "auto_corr_ofdm_mrc_x1:\t\t %u\n",
2067 data->auto_corr_ofdm_mrc_x1);
2068 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
2069 data->auto_corr_cck);
2070 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
2071 data->auto_corr_cck_mrc);
2072 pos += scnprintf(buf + pos, bufsz - pos,
2073 "last_bad_plcp_cnt_ofdm:\t\t %u\n",
2074 data->last_bad_plcp_cnt_ofdm);
2075 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
2076 data->last_fa_cnt_ofdm);
2077 pos += scnprintf(buf + pos, bufsz - pos,
2078 "last_bad_plcp_cnt_cck:\t\t %u\n",
2079 data->last_bad_plcp_cnt_cck);
2080 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
2081 data->last_fa_cnt_cck);
2082 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
2083 data->nrg_curr_state);
2084 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
2085 data->nrg_prev_state);
2086 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
2087 for (cnt = 0; cnt < 10; cnt++) {
2088 pos += scnprintf(buf + pos, bufsz - pos, " %u",
2089 data->nrg_value[cnt]);
2090 }
2091 pos += scnprintf(buf + pos, bufsz - pos, "\n");
2092 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
2093 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
2094 pos += scnprintf(buf + pos, bufsz - pos, " %u",
2095 data->nrg_silence_rssi[cnt]);
2096 }
2097 pos += scnprintf(buf + pos, bufsz - pos, "\n");
2098 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
2099 data->nrg_silence_ref);
2100 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
2101 data->nrg_energy_idx);
2102 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
2103 data->nrg_silence_idx);
2104 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
2105 data->nrg_th_cck);
2106 pos += scnprintf(buf + pos, bufsz - pos,
2107 "nrg_auto_corr_silence_diff:\t %u\n",
2108 data->nrg_auto_corr_silence_diff);
2109 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
2110 data->num_in_cck_no_fa);
2111 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
2112 data->nrg_th_ofdm);
2113
2114 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2115 kfree(buf);
2116 return ret;
2117}
2118
2119
2120static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
2121 char __user *user_buf,
2122 size_t count, loff_t *ppos) {
2123
28f63a4b 2124 struct iwl_priv *priv = file->private_data;
5225935b
WYG		 2125 int pos = 0;
2126 int cnt = 0;
2127 char *buf;
2128 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
2129 ssize_t ret;
2130 struct iwl_chain_noise_data *data;
2131
2132 data = &priv->chain_noise_data;
2133 buf = kzalloc(bufsz, GFP_KERNEL);
2134 if (!buf) {
2135 IWL_ERR(priv, "Can not allocate Buffer\n");
2136 return -ENOMEM;
2137 }
2138
2139 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
2140 data->active_chains);
2141 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
2142 data->chain_noise_a);
2143 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
2144 data->chain_noise_b);
2145 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
2146 data->chain_noise_c);
2147 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
2148 data->chain_signal_a);
2149 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
2150 data->chain_signal_b);
2151 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
2152 data->chain_signal_c);
2153 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
2154 data->beacon_count);
2155
2156 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
2157 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
2158 pos += scnprintf(buf + pos, bufsz - pos, " %u",
2159 data->disconn_array[cnt]);
2160 }
2161 pos += scnprintf(buf + pos, bufsz - pos, "\n");
2162 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
2163 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
2164 pos += scnprintf(buf + pos, bufsz - pos, " %u",
2165 data->delta_gain_code[cnt]);
2166 }
2167 pos += scnprintf(buf + pos, bufsz - pos, "\n");
2168 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
2169 data->radio_write);
2170 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
2171 data->state);
2172
2173 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2174 kfree(buf);
2175 return ret;
2176}
2177
c09430ab
WYG		 2178static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
2179 char __user *user_buf,
2180 size_t count, loff_t *ppos)
2181{
28f63a4b 2182 struct iwl_priv *priv = file->private_data;
c09430ab
WYG		 2183 char buf[60];
2184 int pos = 0;
2185 const size_t bufsz = sizeof(buf);
2186 u32 pwrsave_status;
2187
2188 pwrsave_status = iwl_read32(priv, CSR_GP_CNTRL) &
2189 CSR_GP_REG_POWER_SAVE_STATUS_MSK;
2190
2191 pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: ");
2192 pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
2193 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" :
2194 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" :
2195 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" :
2196 "error");
2197
2198 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2199}
2200
7163b8a4 2201static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
ef8d5529
WYG		 2202 const char __user *user_buf,
2203 size_t count, loff_t *ppos)
2204{
2205 struct iwl_priv *priv = file->private_data;
2206 char buf[8];
2207 int buf_size;
2208 int clear;
2209
2210 memset(buf, 0, sizeof(buf));
2211 buf_size = min(count, sizeof(buf) - 1);
2212 if (copy_from_user(buf, user_buf, buf_size))
2213 return -EFAULT;
2214 if (sscanf(buf, "%d", &clear) != 1)
2215 return -EFAULT;
2216
2217 /* make request to uCode to retrieve statistics information */
2218 mutex_lock(&priv->mutex);
2219 iwl_send_statistics_request(priv, CMD_SYNC, true);
2220 mutex_unlock(&priv->mutex);
2221
2222 return count;
2223}
2224
696bdee3
WYG		 2225static ssize_t iwl_dbgfs_csr_write(struct file *file,
2226 const char __user *user_buf,
2227 size_t count, loff_t *ppos)
2228{
2229 struct iwl_priv *priv = file->private_data;
2230 char buf[8];
2231 int buf_size;
2232 int csr;
2233
2234 memset(buf, 0, sizeof(buf));
2235 buf_size = min(count, sizeof(buf) - 1);
2236 if (copy_from_user(buf, user_buf, buf_size))
2237 return -EFAULT;
2238 if (sscanf(buf, "%d", &csr) != 1)
2239 return -EFAULT;
2240
3ecccbcd 2241 iwl_dump_csr(priv);
696bdee3
WYG		 2242
2243 return count;
2244}
2245
a9e1cb6a
WYG		 2246static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file,
2247 char __user *user_buf,
2248 size_t count, loff_t *ppos) {
2249
57674308 2250 struct iwl_priv *priv = file->private_data;
a9e1cb6a
WYG		 2251 int pos = 0;
2252 char buf[128];
2253 const size_t bufsz = sizeof(buf);
a9e1cb6a
WYG		 2254
2255 pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n",
2256 priv->event_log.ucode_trace ? "On" : "Off");
2257 pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n",
2258 priv->event_log.non_wraps_count);
2259 pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n",
2260 priv->event_log.wraps_once_count);
2261 pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n",
2262 priv->event_log.wraps_more_count);
2263
4967c316 2264 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
a9e1cb6a
WYG		 2265}
2266
2267static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file,
2268 const char __user *user_buf,
2269 size_t count, loff_t *ppos)
2270{
2271 struct iwl_priv *priv = file->private_data;
2272 char buf[8];
2273 int buf_size;
2274 int trace;
2275
2276 memset(buf, 0, sizeof(buf));
2277 buf_size = min(count, sizeof(buf) - 1);
2278 if (copy_from_user(buf, user_buf, buf_size))
2279 return -EFAULT;
2280 if (sscanf(buf, "%d", &trace) != 1)
2281 return -EFAULT;
2282
2283 if (trace) {
2284 priv->event_log.ucode_trace = true;
2285 /* schedule the ucode timer to occur in UCODE_TRACE_PERIOD */
2286 mod_timer(&priv->ucode_trace,
2287 jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD));
2288 } else {
2289 priv->event_log.ucode_trace = false;
2290 del_timer_sync(&priv->ucode_trace);
2291 }
2292
2293 return count;
2294}
2295
60987206
JB		 2296static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file,
2297 char __user *user_buf,
2298 size_t count, loff_t *ppos) {
2299
57674308 2300 struct iwl_priv *priv = file->private_data;
60987206
JB		 2301 int len = 0;
2302 char buf[20];
2303
246ed355
JB		 2304 len = sprintf(buf, "0x%04X\n",
2305 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags));
60987206
JB		 2306 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
2307}
2308
2309static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file,
2310 char __user *user_buf,
2311 size_t count, loff_t *ppos) {
2312
57674308 2313 struct iwl_priv *priv = file->private_data;
60987206
JB		 2314 int len = 0;
2315 char buf[20];
2316
2317 len = sprintf(buf, "0x%04X\n",
246ed355 2318 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags));
60987206
JB		 2319 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
2320}
2321
1b3eb823
WYG		 2322static ssize_t iwl_dbgfs_fh_reg_read(struct file *file,
2323 char __user *user_buf,
2324 size_t count, loff_t *ppos)
2325{
57674308 2326 struct iwl_priv *priv = file->private_data;
1b3eb823
WYG		 2327 char *buf;
2328 int pos = 0;
2329 ssize_t ret = -EFAULT;
2330
3ecccbcd
WYG		 2331 ret = pos = iwl_dump_fh(priv, &buf, true);
2332 if (buf) {
2333 ret = simple_read_from_buffer(user_buf,
2334 count, ppos, buf, pos);
2335 kfree(buf);
1b3eb823
WYG		 2336 }
2337
2338 return ret;
2339}
2340
a13d276f
WYG		 2341static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file,
2342 char __user *user_buf,
2343 size_t count, loff_t *ppos) {
2344
2345 struct iwl_priv *priv = file->private_data;
2346 int pos = 0;
2347 char buf[12];
2348 const size_t bufsz = sizeof(buf);
a13d276f
WYG		 2349
2350 pos += scnprintf(buf + pos, bufsz - pos, "%d\n",
2351 priv->missed_beacon_threshold);
2352
4967c316 2353 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
a13d276f
WYG		 2354}
2355
2356static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file,
2357 const char __user *user_buf,
2358 size_t count, loff_t *ppos)
2359{
2360 struct iwl_priv *priv = file->private_data;
2361 char buf[8];
2362 int buf_size;
2363 int missed;
2364
2365 memset(buf, 0, sizeof(buf));
2366 buf_size = min(count, sizeof(buf) - 1);
2367 if (copy_from_user(buf, user_buf, buf_size))
2368 return -EFAULT;
2369 if (sscanf(buf, "%d", &missed) != 1)
2370 return -EINVAL;
2371
2372 if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN ||
2373 missed > IWL_MISSED_BEACON_THRESHOLD_MAX)
2374 priv->missed_beacon_threshold =
2375 IWL_MISSED_BEACON_THRESHOLD_DEF;
2376 else
2377 priv->missed_beacon_threshold = missed;
2378
2379 return count;
2380}
2381
3e4fb5fa
TAN		 2382static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file,
2383 char __user *user_buf,
2384 size_t count, loff_t *ppos) {
2385
57674308 2386 struct iwl_priv *priv = file->private_data;
3e4fb5fa
TAN		 2387 int pos = 0;
2388 char buf[12];
2389 const size_t bufsz = sizeof(buf);
3e4fb5fa
TAN		 2390
2391 pos += scnprintf(buf + pos, bufsz - pos, "%u\n",
7cb1b088 2392 priv->cfg->base_params->plcp_delta_threshold);
3e4fb5fa 2393
4967c316 2394 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
3e4fb5fa
TAN		 2395}
2396
2397static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file,
2398 const char __user *user_buf,
2399 size_t count, loff_t *ppos) {
2400
2401 struct iwl_priv *priv = file->private_data;
2402 char buf[8];
2403 int buf_size;
2404 int plcp;
2405
2406 memset(buf, 0, sizeof(buf));
2407 buf_size = min(count, sizeof(buf) - 1);
2408 if (copy_from_user(buf, user_buf, buf_size))
2409 return -EFAULT;
2410 if (sscanf(buf, "%d", &plcp) != 1)
2411 return -EINVAL;
680788ac 2412 if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) ||
3e4fb5fa 2413 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX))
7cb1b088 2414 priv->cfg->base_params->plcp_delta_threshold =
680788ac 2415 IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE;
3e4fb5fa 2416 else
7cb1b088 2417 priv->cfg->base_params->plcp_delta_threshold = plcp;
3e4fb5fa
TAN		 2418 return count;
2419}
2420
528c3126
WYG		 2421static ssize_t iwl_dbgfs_force_reset_read(struct file *file,
2422 char __user *user_buf,
2423 size_t count, loff_t *ppos) {
2424
2425 struct iwl_priv *priv = file->private_data;
2426 int i, pos = 0;
2427 char buf[300];
2428 const size_t bufsz = sizeof(buf);
2429 struct iwl_force_reset *force_reset;
2430
2431 for (i = 0; i < IWL_MAX_FORCE_RESET; i++) {
2432 force_reset = &priv->force_reset[i];
2433 pos += scnprintf(buf + pos, bufsz - pos,
2434 "Force reset method %d\n", i);
2435 pos += scnprintf(buf + pos, bufsz - pos,
2436 "\tnumber of reset request: %d\n",
2437 force_reset->reset_request_count);
2438 pos += scnprintf(buf + pos, bufsz - pos,
2439 "\tnumber of reset request success: %d\n",
2440 force_reset->reset_success_count);
2441 pos += scnprintf(buf + pos, bufsz - pos,
2442 "\tnumber of reset request reject: %d\n",
2443 force_reset->reset_reject_count);
2444 pos += scnprintf(buf + pos, bufsz - pos,
2445 "\treset duration: %lu\n",
2446 force_reset->reset_duration);
2447 }
2448 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2449}
2450
04cafd7f
WYG		 2451static ssize_t iwl_dbgfs_force_reset_write(struct file *file,
2452 const char __user *user_buf,
2453 size_t count, loff_t *ppos) {
2454
2455 struct iwl_priv *priv = file->private_data;
2456 char buf[8];
2457 int buf_size;
2458 int reset, ret;
2459
2460 memset(buf, 0, sizeof(buf));
2461 buf_size = min(count, sizeof(buf) - 1);
2462 if (copy_from_user(buf, user_buf, buf_size))
2463 return -EFAULT;
2464 if (sscanf(buf, "%d", &reset) != 1)
2465 return -EINVAL;
2466 switch (reset) {
2467 case IWL_RF_RESET:
2468 case IWL_FW_RESET:
c04f9f22 2469 ret = iwl_force_reset(priv, reset, true);
04cafd7f
WYG		 2470 break;
2471 default:
2472 return -EINVAL;
2473 }
2474 return ret ? ret : count;
2475}
2476
4bf49a90
WYG		 2477static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file,
2478 const char __user *user_buf,
2479 size_t count, loff_t *ppos) {
2480
2481 struct iwl_priv *priv = file->private_data;
2482 char buf[8];
2483 int buf_size;
2484 int flush;
2485
2486 memset(buf, 0, sizeof(buf));
2487 buf_size = min(count, sizeof(buf) - 1);
2488 if (copy_from_user(buf, user_buf, buf_size))
2489 return -EFAULT;
2490 if (sscanf(buf, "%d", &flush) != 1)
2491 return -EINVAL;
2492
2493 if (iwl_is_rfkill(priv))
2494 return -EFAULT;
2495
c68744fb 2496 iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL);
4bf49a90
WYG		 2497
2498 return count;
2499}
2500
22de94de 2501static ssize_t iwl_dbgfs_wd_timeout_write(struct file *file,
7bdc473c
WYG		 2502 const char __user *user_buf,
2503 size_t count, loff_t *ppos) {
2504
2505 struct iwl_priv *priv = file->private_data;
2506 char buf[8];
2507 int buf_size;
22de94de 2508 int timeout;
7bdc473c
WYG		 2509
2510 memset(buf, 0, sizeof(buf));
2511 buf_size = min(count, sizeof(buf) - 1);
2512 if (copy_from_user(buf, user_buf, buf_size))
2513 return -EFAULT;
22de94de 2514 if (sscanf(buf, "%d", &timeout) != 1)
7bdc473c 2515 return -EINVAL;
22de94de
SG		 2516 if (timeout < 0 || timeout > IWL_MAX_WD_TIMEOUT)
2517 timeout = IWL_DEF_WD_TIMEOUT;
7bdc473c 2518
22de94de
SG		 2519 priv->cfg->base_params->wd_timeout = timeout;
2520 iwl_setup_watchdog(priv);
7bdc473c
WYG		 2521 return count;
2522}
2523
befe8c46
WYG		 2524static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file,
2525 char __user *user_buf,
2526 size_t count, loff_t *ppos) {
2527
2528 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2529 int pos = 0;
2530 char buf[200];
2531 const size_t bufsz = sizeof(buf);
befe8c46 2532
f21dd005
WYG		 2533 if (!priv->bt_enable_flag) {
2534 pos += scnprintf(buf + pos, bufsz - pos, "BT coex disabled\n");
08960dea 2535 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
f21dd005
WYG		 2536 }
2537 pos += scnprintf(buf + pos, bufsz - pos, "BT enable flag: 0x%x\n",
2538 priv->bt_enable_flag);
befe8c46
WYG		 2539 pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n",
2540 priv->bt_full_concurrent ? "full concurrency" : "3-wire");
2541 pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, "
2542 "last traffic notif: %d\n",
66e863a5 2543 priv->bt_status ? "On" : "Off", priv->last_bt_traffic_load);
befe8c46 2544 pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, "
187bc4f6
WYG		 2545 "kill_ack_mask: %x, kill_cts_mask: %x\n",
2546 priv->bt_ch_announce, priv->kill_ack_mask,
2547 priv->kill_cts_mask);
befe8c46
WYG		 2548
2549 pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: ");
2550 switch (priv->bt_traffic_load) {
2551 case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
2552 pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n");
2553 break;
2554 case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
2555 pos += scnprintf(buf + pos, bufsz - pos, "High\n");
2556 break;
2557 case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
2558 pos += scnprintf(buf + pos, bufsz - pos, "Low\n");
2559 break;
2560 case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
2561 default:
2562 pos += scnprintf(buf + pos, bufsz - pos, "None\n");
2563 break;
2564 }
2565
08960dea 2566 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
befe8c46
WYG		 2567}
2568
c6abdc0d
WYG		 2569static ssize_t iwl_dbgfs_protection_mode_read(struct file *file,
2570 char __user *user_buf,
2571 size_t count, loff_t *ppos)
2572{
2573 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2574
2575 int pos = 0;
2576 char buf[40];
2577 const size_t bufsz = sizeof(buf);
2578
7cb1b088
WYG		 2579 if (priv->cfg->ht_params)
2580 pos += scnprintf(buf + pos, bufsz - pos,
2581 "use %s for aggregation\n",
2582 (priv->cfg->ht_params->use_rts_for_aggregation) ?
2583 "rts/cts" : "cts-to-self");
2584 else
2585 pos += scnprintf(buf + pos, bufsz - pos, "N/A");
2586
c6abdc0d
WYG		 2587 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2588}
2589
2590static ssize_t iwl_dbgfs_protection_mode_write(struct file *file,
2591 const char __user *user_buf,
2592 size_t count, loff_t *ppos) {
2593
2594 struct iwl_priv *priv = file->private_data;
2595 char buf[8];
2596 int buf_size;
2597 int rts;
2598
7cb1b088
WYG		 2599 if (!priv->cfg->ht_params)
2600 return -EINVAL;
2601
c6abdc0d
WYG		 2602 memset(buf, 0, sizeof(buf));
2603 buf_size = min(count, sizeof(buf) - 1);
2604 if (copy_from_user(buf, user_buf, buf_size))
2605 return -EFAULT;
2606 if (sscanf(buf, "%d", &rts) != 1)
2607 return -EINVAL;
2608 if (rts)
7cb1b088 2609 priv->cfg->ht_params->use_rts_for_aggregation = true;
c6abdc0d 2610 else
7cb1b088 2611 priv->cfg->ht_params->use_rts_for_aggregation = false;
c6abdc0d
WYG		 2612 return count;
2613}
2614
7163b8a4
WYG		 2615DEBUGFS_READ_FILE_OPS(rx_statistics);
2616DEBUGFS_READ_FILE_OPS(tx_statistics);
20594eb0 2617DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
141b03e0
WYG		 2618DEBUGFS_READ_FILE_OPS(rx_queue);
2619DEBUGFS_READ_FILE_OPS(tx_queue);
e8fe59ae
WYG		 2620DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
2621DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
2622DEBUGFS_READ_FILE_OPS(ucode_general_stats);
5225935b
WYG		 2623DEBUGFS_READ_FILE_OPS(sensitivity);
2624DEBUGFS_READ_FILE_OPS(chain_noise);
c09430ab 2625DEBUGFS_READ_FILE_OPS(power_save_status);
7163b8a4
WYG		 2626DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
2627DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics);
696bdee3 2628DEBUGFS_WRITE_FILE_OPS(csr);
a9e1cb6a 2629DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing);
1b3eb823 2630DEBUGFS_READ_FILE_OPS(fh_reg);
a13d276f 2631DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon);
3e4fb5fa 2632DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta);
528c3126 2633DEBUGFS_READ_WRITE_FILE_OPS(force_reset);
60987206
JB		 2634DEBUGFS_READ_FILE_OPS(rxon_flags);
2635DEBUGFS_READ_FILE_OPS(rxon_filter_flags);
4bf49a90 2636DEBUGFS_WRITE_FILE_OPS(txfifo_flush);
ffb7d896 2637DEBUGFS_READ_FILE_OPS(ucode_bt_stats);
22de94de 2638DEBUGFS_WRITE_FILE_OPS(wd_timeout);
befe8c46 2639DEBUGFS_READ_FILE_OPS(bt_traffic);
c6abdc0d 2640DEBUGFS_READ_WRITE_FILE_OPS(protection_mode);
54a9aa65 2641DEBUGFS_READ_FILE_OPS(reply_tx_error);
20594eb0 2642
712b6cf5
TW		 2643/*
2644 * Create the debugfs files and directories
2645 *
2646 */
2647int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
2648{
95b1a822 2649 struct dentry *phyd = priv->hw->wiphy->debugfsdir;
4c84a8f1 2650 struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug;
712b6cf5 2651
4c84a8f1
JB		 2652 dir_drv = debugfs_create_dir(name, phyd);
2653 if (!dir_drv)
2654 return -ENOMEM;
712b6cf5 2655
4c84a8f1
JB		 2656 priv->debugfs_dir = dir_drv;
2657
2658 dir_data = debugfs_create_dir("data", dir_drv);
2659 if (!dir_data)
2660 goto err;
2661 dir_rf = debugfs_create_dir("rf", dir_drv);
2662 if (!dir_rf)
2663 goto err;
2664 dir_debug = debugfs_create_dir("debug", dir_drv);
2665 if (!dir_debug)
712b6cf5 2666 goto err;
712b6cf5 2667
4c84a8f1
JB		 2668 DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR);
2669 DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR);
2670 DEBUGFS_ADD_FILE(log_event, dir_data, S_IWUSR | S_IRUSR);
2671 DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR);
2672 DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR);
2673 DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR);
2674 DEBUGFS_ADD_FILE(interrupt, dir_data, S_IWUSR | S_IRUSR);
2675 DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR);
23c0fcc6
WYG		 2676 DEBUGFS_ADD_FILE(sleep_level_override, dir_data, S_IWUSR | S_IRUSR);
2677 DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR);
4c84a8f1
JB		 2678 DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR);
2679 DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR);
2680 DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR);
2681 DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR);
2682 DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR);
2683 DEBUGFS_ADD_FILE(rx_queue, dir_debug, S_IRUSR);
2684 DEBUGFS_ADD_FILE(tx_queue, dir_debug, S_IRUSR);
4c84a8f1
JB		 2685 DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR);
2686 DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR);
2687 DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR);
2688 DEBUGFS_ADD_FILE(csr, dir_debug, S_IWUSR);
2689 DEBUGFS_ADD_FILE(fh_reg, dir_debug, S_IRUSR);
2690 DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR);
4c84a8f1 2691 DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR);
528c3126 2692 DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR);
b8c76267
AK		 2693 DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR);
2694 DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR);
2695 DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR);
c68744fb 2696 DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, S_IWUSR);
c6abdc0d 2697 DEBUGFS_ADD_FILE(protection_mode, dir_debug, S_IWUSR | S_IRUSR);
b8c76267 2698
703bc583
WYG		 2699 DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR);
2700 DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR);
b7af6a99 2701 DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR);
0da0e5bf 2702 DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, S_IRUSR);
54a9aa65 2703 DEBUGFS_ADD_FILE(reply_tx_error, dir_debug, S_IRUSR);
60987206
JB		 2704 DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR);
2705 DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR);
22de94de 2706 DEBUGFS_ADD_FILE(wd_timeout, dir_debug, S_IWUSR);
88e58fc5 2707 if (iwl_advanced_bt_coexist(priv))
befe8c46 2708 DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);
703bc583
WYG		 2709 DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf,
2710 &priv->disable_sens_cal);
2711 DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf,
2712 &priv->disable_chain_noise_cal);
712b6cf5
TW		 2713 return 0;
2714
2715err:
4c84a8f1 2716 IWL_ERR(priv, "Can't create the debugfs directory\n");
712b6cf5 2717 iwl_dbgfs_unregister(priv);
4c84a8f1 2718 return -ENOMEM;
712b6cf5 2719}
712b6cf5
TW		 2720
2721/**
2722 * Remove the debugfs files and directories
2723 *
2724 */
2725void iwl_dbgfs_unregister(struct iwl_priv *priv)
2726{
4c84a8f1 2727 if (!priv->debugfs_dir)
712b6cf5
TW		 2728 return;
2729
4c84a8f1
JB		 2730 debugfs_remove_recursive(priv->debugfs_dir);
2731 priv->debugfs_dir = NULL;
712b6cf5 2732}
712b6cf5
TW		 2733
2734
445c2dff 2735
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