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iwlagn: prefer BSS context
[deliverable/linux.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"
712b6cf5
TW		 42
43/* create and remove of files */
4c84a8f1
JB		 44#define DEBUGFS_ADD_FILE(name, parent, mode) do { \
45 if (!debugfs_create_file(#name, mode, parent, priv, \
46 &iwl_dbgfs_##name##_ops)) \
47 goto err; \
712b6cf5
TW		 48} while (0)
49
4c84a8f1
JB		 50#define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \
51 struct dentry *__tmp; \
52 __tmp = debugfs_create_bool(#name, S_IWUSR | S_IRUSR, \
53 parent, ptr); \
54 if (IS_ERR(__tmp) || !__tmp) \
55 goto err; \
712b6cf5
TW		 56} while (0)
57
4c84a8f1
JB		 58#define DEBUGFS_ADD_X32(name, parent, ptr) do { \
59 struct dentry *__tmp; \
60 __tmp = debugfs_create_x32(#name, S_IWUSR | S_IRUSR, \
61 parent, ptr); \
62 if (IS_ERR(__tmp) || !__tmp) \
63 goto err; \
445c2dff
TW		 64} while (0)
65
712b6cf5
TW		 66/* file operation */
67#define DEBUGFS_READ_FUNC(name) \
68static ssize_t iwl_dbgfs_##name##_read(struct file *file, \
69 char __user *user_buf, \
70 size_t count, loff_t *ppos);
71
72#define DEBUGFS_WRITE_FUNC(name) \
73static ssize_t iwl_dbgfs_##name##_write(struct file *file, \
74 const char __user *user_buf, \
75 size_t count, loff_t *ppos);
76
77
78static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file)
79{
80 file->private_data = inode->i_private;
81 return 0;
82}
83
84#define DEBUGFS_READ_FILE_OPS(name) \
85 DEBUGFS_READ_FUNC(name); \
86static const struct file_operations iwl_dbgfs_##name##_ops = { \
87 .read = iwl_dbgfs_##name##_read, \
88 .open = iwl_dbgfs_open_file_generic, \
2b18ab36 89 .llseek = generic_file_llseek, \
712b6cf5
TW		 90};
91
189a2b59
EK		 92#define DEBUGFS_WRITE_FILE_OPS(name) \
93 DEBUGFS_WRITE_FUNC(name); \
94static const struct file_operations iwl_dbgfs_##name##_ops = { \
95 .write = iwl_dbgfs_##name##_write, \
96 .open = iwl_dbgfs_open_file_generic, \
2b18ab36 97 .llseek = generic_file_llseek, \
189a2b59
EK		 98};
99
100
712b6cf5
TW		 101#define DEBUGFS_READ_WRITE_FILE_OPS(name) \
102 DEBUGFS_READ_FUNC(name); \
103 DEBUGFS_WRITE_FUNC(name); \
104static const struct file_operations iwl_dbgfs_##name##_ops = { \
105 .write = iwl_dbgfs_##name##_write, \
106 .read = iwl_dbgfs_##name##_read, \
107 .open = iwl_dbgfs_open_file_generic, \
2b18ab36 108 .llseek = generic_file_llseek, \
712b6cf5
TW		 109};
110
712b6cf5
TW		 111static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file,
112 char __user *user_buf,
113 size_t count, loff_t *ppos) {
114
28f63a4b 115 struct iwl_priv *priv = file->private_data;
22fdf3c9 116 char *buf;
712b6cf5
TW		 117 int pos = 0;
118
22fdf3c9
WYG		 119 int cnt;
120 ssize_t ret;
98a7b43b
WYG		 121 const size_t bufsz = 100 +
122 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
22fdf3c9
WYG		 123 buf = kzalloc(bufsz, GFP_KERNEL);
124 if (!buf)
125 return -ENOMEM;
126 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
127 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
128 pos += scnprintf(buf + pos, bufsz - pos,
98a7b43b 129 "\t%25s\t\t: %u\n",
22fdf3c9
WYG		 130 get_mgmt_string(cnt),
131 priv->tx_stats.mgmt[cnt]);
132 }
133 pos += scnprintf(buf + pos, bufsz - pos, "Control\n");
134 for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
135 pos += scnprintf(buf + pos, bufsz - pos,
98a7b43b 136 "\t%25s\t\t: %u\n",
22fdf3c9
WYG		 137 get_ctrl_string(cnt),
138 priv->tx_stats.ctrl[cnt]);
139 }
140 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
141 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
142 priv->tx_stats.data_cnt);
143 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
144 priv->tx_stats.data_bytes);
145 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
146 kfree(buf);
147 return ret;
148}
149
7163b8a4 150static ssize_t iwl_dbgfs_clear_traffic_statistics_write(struct file *file,
22fdf3c9
WYG		 151 const char __user *user_buf,
152 size_t count, loff_t *ppos)
153{
154 struct iwl_priv *priv = file->private_data;
155 u32 clear_flag;
156 char buf[8];
157 int buf_size;
712b6cf5 158
22fdf3c9
WYG		 159 memset(buf, 0, sizeof(buf));
160 buf_size = min(count, sizeof(buf) - 1);
161 if (copy_from_user(buf, user_buf, buf_size))
162 return -EFAULT;
163 if (sscanf(buf, "%x", &clear_flag) != 1)
164 return -EFAULT;
7163b8a4 165 iwl_clear_traffic_stats(priv);
22fdf3c9
WYG		 166
167 return count;
712b6cf5
TW		 168}
169
170static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file,
171 char __user *user_buf,
172 size_t count, loff_t *ppos) {
173
28f63a4b 174 struct iwl_priv *priv = file->private_data;
22fdf3c9 175 char *buf;
712b6cf5 176 int pos = 0;
22fdf3c9
WYG		 177 int cnt;
178 ssize_t ret;
179 const size_t bufsz = 100 +
98a7b43b 180 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
22fdf3c9
WYG		 181 buf = kzalloc(bufsz, GFP_KERNEL);
182 if (!buf)
183 return -ENOMEM;
712b6cf5 184
22fdf3c9
WYG		 185 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
186 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
187 pos += scnprintf(buf + pos, bufsz - pos,
98a7b43b 188 "\t%25s\t\t: %u\n",
22fdf3c9
WYG		 189 get_mgmt_string(cnt),
190 priv->rx_stats.mgmt[cnt]);
191 }
192 pos += scnprintf(buf + pos, bufsz - pos, "Control:\n");
193 for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
194 pos += scnprintf(buf + pos, bufsz - pos,
98a7b43b 195 "\t%25s\t\t: %u\n",
22fdf3c9
WYG		 196 get_ctrl_string(cnt),
197 priv->rx_stats.ctrl[cnt]);
198 }
199 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
200 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
201 priv->rx_stats.data_cnt);
202 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
203 priv->rx_stats.data_bytes);
712b6cf5 204
22fdf3c9
WYG		 205 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
206 kfree(buf);
207 return ret;
208}
209
712b6cf5
TW		 210static ssize_t iwl_dbgfs_sram_read(struct file *file,
211 char __user *user_buf,
212 size_t count, loff_t *ppos)
213{
24834d2c 214 u32 val = 0;
2943f136 215 char *buf;
712b6cf5 216 ssize_t ret;
24834d2c
JS		 217 int i = 0;
218 bool device_format = false;
219 int offset = 0;
220 int len = 0;
712b6cf5 221 int pos = 0;
24834d2c 222 int sram;
28f63a4b 223 struct iwl_priv *priv = file->private_data;
2943f136 224 size_t bufsz;
712b6cf5 225
5ade1e4d 226 /* default is to dump the entire data segment */
4c84a8f1
JB		 227 if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) {
228 priv->dbgfs_sram_offset = 0x800000;
ca7966c8 229 if (priv->ucode_type == UCODE_SUBTYPE_INIT)
dbf28e21 230 priv->dbgfs_sram_len = priv->ucode_init.data.len;
5ade1e4d 231 else
dbf28e21 232 priv->dbgfs_sram_len = priv->ucode_rt.data.len;
5ade1e4d 233 }
24834d2c
JS		 234 len = priv->dbgfs_sram_len;
235
236 if (len == -4) {
237 device_format = true;
238 len = 4;
239 }
240
241 bufsz = 50 + len * 4;
2943f136
WYG		 242 buf = kmalloc(bufsz, GFP_KERNEL);
243 if (!buf)
244 return -ENOMEM;
24834d2c 245
5ade1e4d 246 pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n",
24834d2c 247 len);
5ade1e4d 248 pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n",
4c84a8f1 249 priv->dbgfs_sram_offset);
24834d2c
JS		 250
251 /* adjust sram address since reads are only on even u32 boundaries */
252 offset = priv->dbgfs_sram_offset & 0x3;
253 sram = priv->dbgfs_sram_offset & ~0x3;
254
255 /* read the first u32 from sram */
256 val = iwl_read_targ_mem(priv, sram);
257
258 for (; len; len--) {
259 /* put the address at the start of every line */
260 if (i == 0)
261 pos += scnprintf(buf + pos, bufsz - pos,
262 "%08X: ", sram + offset);
263
264 if (device_format)
265 pos += scnprintf(buf + pos, bufsz - pos,
266 "%02x", (val >> (8 * (3 - offset))) & 0xff);
267 else
268 pos += scnprintf(buf + pos, bufsz - pos,
269 "%02x ", (val >> (8 * offset)) & 0xff);
270
271 /* if all bytes processed, read the next u32 from sram */
272 if (++offset == 4) {
273 sram += 4;
274 offset = 0;
275 val = iwl_read_targ_mem(priv, sram);
712b6cf5 276 }
24834d2c
JS		 277
278 /* put in extra spaces and split lines for human readability */
279 if (++i == 16) {
280 i = 0;
2943f136 281 pos += scnprintf(buf + pos, bufsz - pos, "\n");
24834d2c
JS		 282 } else if (!(i & 7)) {
283 pos += scnprintf(buf + pos, bufsz - pos, " ");
284 } else if (!(i & 3)) {
285 pos += scnprintf(buf + pos, bufsz - pos, " ");
286 }
712b6cf5 287 }
24834d2c
JS		 288 if (i)
289 pos += scnprintf(buf + pos, bufsz - pos, "\n");
712b6cf5
TW		 290
291 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2943f136 292 kfree(buf);
712b6cf5
TW		 293 return ret;
294}
295
296static ssize_t iwl_dbgfs_sram_write(struct file *file,
297 const char __user *user_buf,
298 size_t count, loff_t *ppos)
299{
300 struct iwl_priv *priv = file->private_data;
301 char buf[64];
302 int buf_size;
303 u32 offset, len;
304
305 memset(buf, 0, sizeof(buf));
306 buf_size = min(count, sizeof(buf) - 1);
307 if (copy_from_user(buf, user_buf, buf_size))
308 return -EFAULT;
309
310 if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
4c84a8f1
JB		 311 priv->dbgfs_sram_offset = offset;
312 priv->dbgfs_sram_len = len;
24834d2c
JS		 313 } else if (sscanf(buf, "%x", &offset) == 1) {
314 priv->dbgfs_sram_offset = offset;
315 priv->dbgfs_sram_len = -4;
712b6cf5 316 } else {
4c84a8f1
JB		 317 priv->dbgfs_sram_offset = 0;
318 priv->dbgfs_sram_len = 0;
712b6cf5
TW		 319 }
320
321 return count;
322}
323
324static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
325 size_t count, loff_t *ppos)
326{
28f63a4b 327 struct iwl_priv *priv = file->private_data;
6def9761 328 struct iwl_station_entry *station;
5425e490 329 int max_sta = priv->hw_params.max_stations;
712b6cf5
TW		 330 char *buf;
331 int i, j, pos = 0;
332 ssize_t ret;
333 /* Add 30 for initial string */
334 const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
712b6cf5
TW		 335
336 buf = kmalloc(bufsz, GFP_KERNEL);
3ac7f146 337 if (!buf)
712b6cf5
TW		 338 return -ENOMEM;
339
db0589f3 340 pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
712b6cf5
TW		 341 priv->num_stations);
342
343 for (i = 0; i < max_sta; i++) {
344 station = &priv->stations[i];
da73511d
JB		 345 if (!station->used)
346 continue;
347 pos += scnprintf(buf + pos, bufsz - pos,
348 "station %d - addr: %pM, flags: %#x\n",
349 i, station->sta.sta.addr,
350 station->sta.station_flags_msk);
351 pos += scnprintf(buf + pos, bufsz - pos,
352 "TID\tseq_num\ttxq_id\tframes\ttfds\t");
353 pos += scnprintf(buf + pos, bufsz - pos,
354 "start_idx\tbitmap\t\t\trate_n_flags\n");
712b6cf5 355
da73511d
JB		 356 for (j = 0; j < MAX_TID_COUNT; j++) {
357 pos += scnprintf(buf + pos, bufsz - pos,
358 "%d:\t%#x\t%#x\t%u\t%u\t%u\t\t%#.16llx\t%#x",
359 j, station->tid[j].seq_number,
360 station->tid[j].agg.txq_id,
361 station->tid[j].agg.frame_count,
362 station->tid[j].tfds_in_queue,
363 station->tid[j].agg.start_idx,
364 station->tid[j].agg.bitmap,
365 station->tid[j].agg.rate_n_flags);
366
367 if (station->tid[j].agg.wait_for_ba)
db0589f3 368 pos += scnprintf(buf + pos, bufsz - pos,
da73511d 369 " - waitforba");
db0589f3 370 pos += scnprintf(buf + pos, bufsz - pos, "\n");
712b6cf5 371 }
da73511d
JB		 372
373 pos += scnprintf(buf + pos, bufsz - pos, "\n");
712b6cf5
TW		 374 }
375
376 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
377 kfree(buf);
378 return ret;
379}
380
0848e297 381static ssize_t iwl_dbgfs_nvm_read(struct file *file,
8dd266ef
TW		 382 char __user *user_buf,
383 size_t count,
384 loff_t *ppos)
385{
386 ssize_t ret;
28f63a4b 387 struct iwl_priv *priv = file->private_data;
8dd266ef
TW		 388 int pos = 0, ofs = 0, buf_size = 0;
389 const u8 *ptr;
390 char *buf;
e307ddce 391 u16 eeprom_ver;
7cb1b088 392 size_t eeprom_len = priv->cfg->base_params->eeprom_size;
8dd266ef
TW		 393 buf_size = 4 * eeprom_len + 256;
394
395 if (eeprom_len % 16) {
0848e297 396 IWL_ERR(priv, "NVM size is not multiple of 16.\n");
8dd266ef
TW		 397 return -ENODATA;
398 }
399
c37457e6
JL		 400 ptr = priv->eeprom;
401 if (!ptr) {
402 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
403 return -ENOMEM;
404 }
405
8dd266ef
TW		 406 /* 4 characters for byte 0xYY */
407 buf = kzalloc(buf_size, GFP_KERNEL);
408 if (!buf) {
15b1687c 409 IWL_ERR(priv, "Can not allocate Buffer\n");
8dd266ef
TW		 410 return -ENOMEM;
411 }
e307ddce
WYG		 412 eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION);
413 pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, "
414 "version: 0x%x\n",
0848e297 415 (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
e307ddce 416 ? "OTP" : "EEPROM", eeprom_ver);
8dd266ef
TW		 417 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
418 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
419 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
420 buf_size - pos, 0);
2fac9717 421 pos += strlen(buf + pos);
8dd266ef
TW		 422 if (buf_size - pos > 0)
423 buf[pos++] = '\n';
424 }
425
426 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
427 kfree(buf);
428 return ret;
429}
712b6cf5 430
b03d7d0f
WYG		 431static ssize_t iwl_dbgfs_log_event_read(struct file *file,
432 char __user *user_buf,
433 size_t count, loff_t *ppos)
434{
435 struct iwl_priv *priv = file->private_data;
436 char *buf;
437 int pos = 0;
438 ssize_t ret = -ENOMEM;
439
3ecccbcd 440 ret = pos = iwl_dump_nic_event_log(priv, true, &buf, true);
937c397e 441 if (buf) {
b03d7d0f
WYG		 442 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
443 kfree(buf);
444 }
445 return ret;
446}
447
189a2b59
EK		 448static ssize_t iwl_dbgfs_log_event_write(struct file *file,
449 const char __user *user_buf,
450 size_t count, loff_t *ppos)
451{
452 struct iwl_priv *priv = file->private_data;
453 u32 event_log_flag;
454 char buf[8];
455 int buf_size;
456
457 memset(buf, 0, sizeof(buf));
458 buf_size = min(count, sizeof(buf) - 1);
459 if (copy_from_user(buf, user_buf, buf_size))
460 return -EFAULT;
461 if (sscanf(buf, "%d", &event_log_flag) != 1)
462 return -EFAULT;
463 if (event_log_flag == 1)
3ecccbcd 464 iwl_dump_nic_event_log(priv, true, NULL, false);
189a2b59
EK		 465
466 return count;
467}
468
d366df5a
WT		 469
470
471static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
472 size_t count, loff_t *ppos)
473{
28f63a4b 474 struct iwl_priv *priv = file->private_data;
d366df5a
WT		 475 struct ieee80211_channel *channels = NULL;
476 const struct ieee80211_supported_band *supp_band = NULL;
477 int pos = 0, i, bufsz = PAGE_SIZE;
478 char *buf;
479 ssize_t ret;
480
481 if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status))
482 return -EAGAIN;
483
484 buf = kzalloc(bufsz, GFP_KERNEL);
485 if (!buf) {
15b1687c 486 IWL_ERR(priv, "Can not allocate Buffer\n");
d366df5a
WT		 487 return -ENOMEM;
488 }
489
490 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
a2e2322d
WYG		 491 if (supp_band) {
492 channels = supp_band->channels;
d366df5a 493
d366df5a 494 pos += scnprintf(buf + pos, bufsz - pos,
a2e2322d
WYG		 495 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
496 supp_band->n_channels);
d366df5a 497
a2e2322d
WYG		 498 for (i = 0; i < supp_band->n_channels; i++)
499 pos += scnprintf(buf + pos, bufsz - pos,
500 "%d: %ddBm: BSS%s%s, %s.\n",
81e95430 501 channels[i].hw_value,
a2e2322d
WYG		 502 channels[i].max_power,
503 channels[i].flags & IEEE80211_CHAN_RADAR ?
504 " (IEEE 802.11h required)" : "",
505 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
506 || (channels[i].flags &
507 IEEE80211_CHAN_RADAR)) ? "" :
508 ", IBSS",
509 channels[i].flags &
510 IEEE80211_CHAN_PASSIVE_SCAN ?
511 "passive only" : "active/passive");
512 }
d366df5a 513 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
a2e2322d
WYG		 514 if (supp_band) {
515 channels = supp_band->channels;
d366df5a 516
d366df5a 517 pos += scnprintf(buf + pos, bufsz - pos,
a2e2322d
WYG		 518 "Displaying %d channels in 5.2GHz band (802.11a)\n",
519 supp_band->n_channels);
520
521 for (i = 0; i < supp_band->n_channels; i++)
522 pos += scnprintf(buf + pos, bufsz - pos,
523 "%d: %ddBm: BSS%s%s, %s.\n",
81e95430 524 channels[i].hw_value,
a2e2322d
WYG		 525 channels[i].max_power,
526 channels[i].flags & IEEE80211_CHAN_RADAR ?
527 " (IEEE 802.11h required)" : "",
528 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
529 || (channels[i].flags &
530 IEEE80211_CHAN_RADAR)) ? "" :
531 ", IBSS",
532 channels[i].flags &
533 IEEE80211_CHAN_PASSIVE_SCAN ?
534 "passive only" : "active/passive");
535 }
d366df5a
WT		 536 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
537 kfree(buf);
538 return ret;
539}
540
08df05aa
WYG		 541static ssize_t iwl_dbgfs_status_read(struct file *file,
542 char __user *user_buf,
543 size_t count, loff_t *ppos) {
544
28f63a4b 545 struct iwl_priv *priv = file->private_data;
08df05aa
WYG		 546 char buf[512];
547 int pos = 0;
548 const size_t bufsz = sizeof(buf);
549
550 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n",
551 test_bit(STATUS_HCMD_ACTIVE, &priv->status));
08df05aa
WYG		 552 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n",
553 test_bit(STATUS_INT_ENABLED, &priv->status));
554 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
555 test_bit(STATUS_RF_KILL_HW, &priv->status));
7812b167
WYG		 556 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n",
557 test_bit(STATUS_CT_KILL, &priv->status));
08df05aa
WYG		 558 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n",
559 test_bit(STATUS_INIT, &priv->status));
560 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
561 test_bit(STATUS_ALIVE, &priv->status));
562 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
563 test_bit(STATUS_READY, &priv->status));
564 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n",
565 test_bit(STATUS_TEMPERATURE, &priv->status));
566 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
567 test_bit(STATUS_GEO_CONFIGURED, &priv->status));
568 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
569 test_bit(STATUS_EXIT_PENDING, &priv->status));
08df05aa
WYG		 570 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
571 test_bit(STATUS_STATISTICS, &priv->status));
572 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
573 test_bit(STATUS_SCANNING, &priv->status));
574 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
575 test_bit(STATUS_SCAN_ABORTING, &priv->status));
576 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
577 test_bit(STATUS_SCAN_HW, &priv->status));
578 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
579 test_bit(STATUS_POWER_PMI, &priv->status));
580 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
581 test_bit(STATUS_FW_ERROR, &priv->status));
08df05aa
WYG		 582 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
583}
584
a83b9141
WYG		 585static ssize_t iwl_dbgfs_interrupt_read(struct file *file,
586 char __user *user_buf,
587 size_t count, loff_t *ppos) {
588
28f63a4b 589 struct iwl_priv *priv = file->private_data;
a83b9141
WYG		 590 int pos = 0;
591 int cnt = 0;
592 char *buf;
593 int bufsz = 24 * 64; /* 24 items * 64 char per item */
594 ssize_t ret;
595
596 buf = kzalloc(bufsz, GFP_KERNEL);
597 if (!buf) {
598 IWL_ERR(priv, "Can not allocate Buffer\n");
599 return -ENOMEM;
600 }
601
602 pos += scnprintf(buf + pos, bufsz - pos,
603 "Interrupt Statistics Report:\n");
604
605 pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n",
606 priv->isr_stats.hw);
607 pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n",
608 priv->isr_stats.sw);
6e6ebf4b 609 if (priv->isr_stats.sw || priv->isr_stats.hw) {
a83b9141
WYG		 610 pos += scnprintf(buf + pos, bufsz - pos,
611 "\tLast Restarting Code: 0x%X\n",
6e6ebf4b 612 priv->isr_stats.err_code);
a83b9141
WYG		 613 }
614#ifdef CONFIG_IWLWIFI_DEBUG
615 pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n",
616 priv->isr_stats.sch);
617 pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n",
618 priv->isr_stats.alive);
619#endif
620 pos += scnprintf(buf + pos, bufsz - pos,
621 "HW RF KILL switch toggled:\t %u\n",
622 priv->isr_stats.rfkill);
623
624 pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n",
625 priv->isr_stats.ctkill);
626
627 pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n",
628 priv->isr_stats.wakeup);
629
630 pos += scnprintf(buf + pos, bufsz - pos,
631 "Rx command responses:\t\t %u\n",
632 priv->isr_stats.rx);
633 for (cnt = 0; cnt < REPLY_MAX; cnt++) {
634 if (priv->isr_stats.rx_handlers[cnt] > 0)
635 pos += scnprintf(buf + pos, bufsz - pos,
636 "\tRx handler[%36s]:\t\t %u\n",
637 get_cmd_string(cnt),
638 priv->isr_stats.rx_handlers[cnt]);
639 }
640
641 pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n",
642 priv->isr_stats.tx);
643
644 pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n",
645 priv->isr_stats.unhandled);
646
647 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
648 kfree(buf);
649 return ret;
650}
651
652static ssize_t iwl_dbgfs_interrupt_write(struct file *file,
653 const char __user *user_buf,
654 size_t count, loff_t *ppos)
655{
656 struct iwl_priv *priv = file->private_data;
657 char buf[8];
658 int buf_size;
659 u32 reset_flag;
660
661 memset(buf, 0, sizeof(buf));
662 buf_size = min(count, sizeof(buf) - 1);
663 if (copy_from_user(buf, user_buf, buf_size))
664 return -EFAULT;
665 if (sscanf(buf, "%x", &reset_flag) != 1)
666 return -EFAULT;
667 if (reset_flag == 0)
668 iwl_clear_isr_stats(priv);
669
670 return count;
671}
672
f5ad69fa
WYG		 673static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
674 size_t count, loff_t *ppos)
675{
28f63a4b 676 struct iwl_priv *priv = file->private_data;
8dfdb9d5 677 struct iwl_rxon_context *ctx;
f5ad69fa 678 int pos = 0, i;
8dfdb9d5 679 char buf[256 * NUM_IWL_RXON_CTX];
f5ad69fa 680 const size_t bufsz = sizeof(buf);
f5ad69fa 681
8dfdb9d5
JB		 682 for_each_context(priv, ctx) {
683 pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n",
684 ctx->ctxid);
685 for (i = 0; i < AC_NUM; i++) {
686 pos += scnprintf(buf + pos, bufsz - pos,
687 "\tcw_min\tcw_max\taifsn\ttxop\n");
688 pos += scnprintf(buf + pos, bufsz - pos,
f5ad69fa 689 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
8dfdb9d5
JB		 690 ctx->qos_data.def_qos_parm.ac[i].cw_min,
691 ctx->qos_data.def_qos_parm.ac[i].cw_max,
692 ctx->qos_data.def_qos_parm.ac[i].aifsn,
693 ctx->qos_data.def_qos_parm.ac[i].edca_txop);
694 }
695 pos += scnprintf(buf + pos, bufsz - pos, "\n");
f5ad69fa 696 }
4967c316 697 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
f5ad69fa 698}
a83b9141 699
fbf3a2af
WYG		 700static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
701 char __user *user_buf,
702 size_t count, loff_t *ppos)
703{
28f63a4b 704 struct iwl_priv *priv = file->private_data;
3ad3b92a 705 struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
fbf3a2af
WYG		 706 struct iwl_tt_restriction *restriction;
707 char buf[100];
708 int pos = 0;
709 const size_t bufsz = sizeof(buf);
fbf3a2af
WYG		 710
711 pos += scnprintf(buf + pos, bufsz - pos,
712 "Thermal Throttling Mode: %s\n",
3ad3b92a 713 tt->advanced_tt ? "Advance" : "Legacy");
fbf3a2af
WYG		 714 pos += scnprintf(buf + pos, bufsz - pos,
715 "Thermal Throttling State: %d\n",
716 tt->state);
3ad3b92a 717 if (tt->advanced_tt) {
fbf3a2af
WYG		 718 restriction = tt->restriction + tt->state;
719 pos += scnprintf(buf + pos, bufsz - pos,
720 "Tx mode: %d\n",
721 restriction->tx_stream);
722 pos += scnprintf(buf + pos, bufsz - pos,
723 "Rx mode: %d\n",
724 restriction->rx_stream);
725 pos += scnprintf(buf + pos, bufsz - pos,
726 "HT mode: %d\n",
727 restriction->is_ht);
728 }
4967c316 729 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
fbf3a2af
WYG		 730}
731
1e4247d4
WYG		 732static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
733 const char __user *user_buf,
734 size_t count, loff_t *ppos)
735{
736 struct iwl_priv *priv = file->private_data;
737 char buf[8];
738 int buf_size;
739 int ht40;
740
741 memset(buf, 0, sizeof(buf));
742 buf_size = min(count, sizeof(buf) - 1);
743 if (copy_from_user(buf, user_buf, buf_size))
744 return -EFAULT;
745 if (sscanf(buf, "%d", &ht40) != 1)
746 return -EFAULT;
246ed355 747 if (!iwl_is_any_associated(priv))
1e4247d4
WYG		 748 priv->disable_ht40 = ht40 ? true : false;
749 else {
750 IWL_ERR(priv, "Sta associated with AP - "
751 "Change to 40MHz channel support is not allowed\n");
752 return -EINVAL;
753 }
754
755 return count;
756}
757
758static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
759 char __user *user_buf,
760 size_t count, loff_t *ppos)
761{
28f63a4b 762 struct iwl_priv *priv = file->private_data;
1e4247d4
WYG		 763 char buf[100];
764 int pos = 0;
765 const size_t bufsz = sizeof(buf);
1e4247d4
WYG		 766
767 pos += scnprintf(buf + pos, bufsz - pos,
768 "11n 40MHz Mode: %s\n",
769 priv->disable_ht40 ? "Disabled" : "Enabled");
4967c316 770 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1e4247d4
WYG		 771}
772
e312c24c
JB		 773static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
774 const char __user *user_buf,
775 size_t count, loff_t *ppos)
776{
777 struct iwl_priv *priv = file->private_data;
778 char buf[8];
779 int buf_size;
780 int value;
781
782 memset(buf, 0, sizeof(buf));
783 buf_size = min(count, sizeof(buf) - 1);
784 if (copy_from_user(buf, user_buf, buf_size))
785 return -EFAULT;
786
787 if (sscanf(buf, "%d", &value) != 1)
788 return -EINVAL;
789
790 /*
791 * Our users expect 0 to be "CAM", but 0 isn't actually
792 * valid here. However, let's not confuse them and present
793 * IWL_POWER_INDEX_1 as "1", not "0".
794 */
1a34c043
RC		 795 if (value == 0)
796 return -EINVAL;
797 else if (value > 0)
e312c24c
JB		 798 value -= 1;
799
800 if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
801 return -EINVAL;
802
4ad177b5
WYG		 803 if (!iwl_is_ready_rf(priv))
804 return -EAGAIN;
805
e312c24c
JB		 806 priv->power_data.debug_sleep_level_override = value;
807
d3a57197 808 mutex_lock(&priv->mutex);
4ad177b5 809 iwl_power_update_mode(priv, true);
d3a57197 810 mutex_unlock(&priv->mutex);
e312c24c
JB		 811
812 return count;
813}
814
815static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
816 char __user *user_buf,
817 size_t count, loff_t *ppos)
818{
28f63a4b 819 struct iwl_priv *priv = file->private_data;
e312c24c
JB		 820 char buf[10];
821 int pos, value;
822 const size_t bufsz = sizeof(buf);
823
824 /* see the write function */
825 value = priv->power_data.debug_sleep_level_override;
826 if (value >= 0)
827 value += 1;
828
829 pos = scnprintf(buf, bufsz, "%d\n", value);
830 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
831}
832
833static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
834 char __user *user_buf,
835 size_t count, loff_t *ppos)
836{
28f63a4b 837 struct iwl_priv *priv = file->private_data;
e312c24c
JB		 838 char buf[200];
839 int pos = 0, i;
840 const size_t bufsz = sizeof(buf);
841 struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
842
843 pos += scnprintf(buf + pos, bufsz - pos,
844 "flags: %#.2x\n", le16_to_cpu(cmd->flags));
845 pos += scnprintf(buf + pos, bufsz - pos,
846 "RX/TX timeout: %d/%d usec\n",
847 le32_to_cpu(cmd->rx_data_timeout),
848 le32_to_cpu(cmd->tx_data_timeout));
849 for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
850 pos += scnprintf(buf + pos, bufsz - pos,
851 "sleep_interval[%d]: %d\n", i,
852 le32_to_cpu(cmd->sleep_interval[i]));
853
854 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
855}
856
712b6cf5 857DEBUGFS_READ_WRITE_FILE_OPS(sram);
b03d7d0f 858DEBUGFS_READ_WRITE_FILE_OPS(log_event);
0848e297 859DEBUGFS_READ_FILE_OPS(nvm);
712b6cf5 860DEBUGFS_READ_FILE_OPS(stations);
d366df5a 861DEBUGFS_READ_FILE_OPS(channels);
08df05aa 862DEBUGFS_READ_FILE_OPS(status);
a83b9141 863DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
f5ad69fa 864DEBUGFS_READ_FILE_OPS(qos);
fbf3a2af 865DEBUGFS_READ_FILE_OPS(thermal_throttling);
1e4247d4 866DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
e312c24c
JB		 867DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
868DEBUGFS_READ_FILE_OPS(current_sleep_command);
712b6cf5 869
20594eb0
WYG		 870static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
871 char __user *user_buf,
872 size_t count, loff_t *ppos)
873{
874 struct iwl_priv *priv = file->private_data;
875 int pos = 0, ofs = 0;
876 int cnt = 0, entry;
877 struct iwl_tx_queue *txq;
878 struct iwl_queue *q;
879 struct iwl_rx_queue *rxq = &priv->rxq;
880 char *buf;
881 int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
7cb1b088 882 (priv->cfg->base_params->num_of_queues * 32 * 8) + 400;
20594eb0
WYG		 883 const u8 *ptr;
884 ssize_t ret;
885
88804e2b
WYG		 886 if (!priv->txq) {
887 IWL_ERR(priv, "txq not ready\n");
888 return -EAGAIN;
889 }
20594eb0
WYG		 890 buf = kzalloc(bufsz, GFP_KERNEL);
891 if (!buf) {
892 IWL_ERR(priv, "Can not allocate buffer\n");
893 return -ENOMEM;
894 }
895 pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n");
896 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
897 txq = &priv->txq[cnt];
898 q = &txq->q;
899 pos += scnprintf(buf + pos, bufsz - pos,
900 "q[%d]: read_ptr: %u, write_ptr: %u\n",
901 cnt, q->read_ptr, q->write_ptr);
902 }
903 if (priv->tx_traffic && (iwl_debug_level & IWL_DL_TX)) {
904 ptr = priv->tx_traffic;
905 pos += scnprintf(buf + pos, bufsz - pos,
906 "Tx Traffic idx: %u\n", priv->tx_traffic_idx);
907 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
908 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
909 entry++, ofs += 16) {
910 pos += scnprintf(buf + pos, bufsz - pos,
911 "0x%.4x ", ofs);
912 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
913 buf + pos, bufsz - pos, 0);
2fac9717 914 pos += strlen(buf + pos);
20594eb0
WYG		 915 if (bufsz - pos > 0)
916 buf[pos++] = '\n';
917 }
918 }
919 }
920
921 pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n");
922 pos += scnprintf(buf + pos, bufsz - pos,
923 "read: %u, write: %u\n",
924 rxq->read, rxq->write);
925
926 if (priv->rx_traffic && (iwl_debug_level & IWL_DL_RX)) {
927 ptr = priv->rx_traffic;
928 pos += scnprintf(buf + pos, bufsz - pos,
929 "Rx Traffic idx: %u\n", priv->rx_traffic_idx);
930 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
931 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
932 entry++, ofs += 16) {
933 pos += scnprintf(buf + pos, bufsz - pos,
934 "0x%.4x ", ofs);
935 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
936 buf + pos, bufsz - pos, 0);
2fac9717 937 pos += strlen(buf + pos);
20594eb0
WYG		 938 if (bufsz - pos > 0)
939 buf[pos++] = '\n';
940 }
941 }
942 }
943
944 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
945 kfree(buf);
946 return ret;
947}
948
949static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
950 const char __user *user_buf,
951 size_t count, loff_t *ppos)
952{
953 struct iwl_priv *priv = file->private_data;
954 char buf[8];
955 int buf_size;
956 int traffic_log;
957
958 memset(buf, 0, sizeof(buf));
959 buf_size = min(count, sizeof(buf) - 1);
960 if (copy_from_user(buf, user_buf, buf_size))
961 return -EFAULT;
962 if (sscanf(buf, "%d", &traffic_log) != 1)
963 return -EFAULT;
964 if (traffic_log == 0)
965 iwl_reset_traffic_log(priv);
966
967 return count;
968}
969
141b03e0
WYG		 970static ssize_t iwl_dbgfs_tx_queue_read(struct file *file,
971 char __user *user_buf,
972 size_t count, loff_t *ppos) {
973
28f63a4b 974 struct iwl_priv *priv = file->private_data;
141b03e0
WYG		 975 struct iwl_tx_queue *txq;
976 struct iwl_queue *q;
977 char *buf;
978 int pos = 0;
979 int cnt;
980 int ret;
7cb1b088
WYG		 981 const size_t bufsz = sizeof(char) * 64 *
982 priv->cfg->base_params->num_of_queues;
141b03e0 983
88804e2b
WYG		 984 if (!priv->txq) {
985 IWL_ERR(priv, "txq not ready\n");
986 return -EAGAIN;
987 }
141b03e0
WYG		 988 buf = kzalloc(bufsz, GFP_KERNEL);
989 if (!buf)
990 return -ENOMEM;
991
992 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
993 txq = &priv->txq[cnt];
994 q = &txq->q;
995 pos += scnprintf(buf + pos, bufsz - pos,
996 "hwq %.2d: read=%u write=%u stop=%d"
997 " swq_id=%#.2x (ac %d/hwq %d)\n",
998 cnt, q->read_ptr, q->write_ptr,
999 !!test_bit(cnt, priv->queue_stopped),
ea9b307f
JB		 1000 txq->swq_id, txq->swq_id & 3,
1001 (txq->swq_id >> 2) & 0x1f);
141b03e0
WYG		 1002 if (cnt >= 4)
1003 continue;
1004 /* for the ACs, display the stop count too */
1005 pos += scnprintf(buf + pos, bufsz - pos,
1006 " stop-count: %d\n",
1007 atomic_read(&priv->queue_stop_count[cnt]));
1008 }
1009 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1010 kfree(buf);
1011 return ret;
1012}
1013
1014static ssize_t iwl_dbgfs_rx_queue_read(struct file *file,
1015 char __user *user_buf,
1016 size_t count, loff_t *ppos) {
1017
28f63a4b 1018 struct iwl_priv *priv = file->private_data;
141b03e0
WYG		 1019 struct iwl_rx_queue *rxq = &priv->rxq;
1020 char buf[256];
1021 int pos = 0;
1022 const size_t bufsz = sizeof(buf);
1023
1024 pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n",
1025 rxq->read);
1026 pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n",
1027 rxq->write);
1028 pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n",
1029 rxq->free_count);
f5cc6a22
DS		 1030 if (rxq->rb_stts) {
1031 pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n",
141b03e0 1032 le16_to_cpu(rxq->rb_stts->closed_rb_num) & 0x0FFF);
f5cc6a22
DS		 1033 } else {
1034 pos += scnprintf(buf + pos, bufsz - pos,
1035 "closed_rb_num: Not Allocated\n");
1036 }
141b03e0
WYG		 1037 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1038}
1039
e8fe59ae
WYG		 1040static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
1041 char __user *user_buf,
1042 size_t count, loff_t *ppos)
1043{
28f63a4b 1044 struct iwl_priv *priv = file->private_data;
17f36fc6
AK		 1045 return priv->cfg->ops->lib->debugfs_ops.rx_stats_read(file,
1046 user_buf, count, ppos);
e8fe59ae
WYG		 1047}
1048
1049static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
1050 char __user *user_buf,
1051 size_t count, loff_t *ppos)
1052{
28f63a4b 1053 struct iwl_priv *priv = file->private_data;
17f36fc6
AK		 1054 return priv->cfg->ops->lib->debugfs_ops.tx_stats_read(file,
1055 user_buf, count, ppos);
e8fe59ae
WYG		 1056}
1057
1058static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1059 char __user *user_buf,
1060 size_t count, loff_t *ppos)
1061{
28f63a4b 1062 struct iwl_priv *priv = file->private_data;
17f36fc6
AK		 1063 return priv->cfg->ops->lib->debugfs_ops.general_stats_read(file,
1064 user_buf, count, ppos);
e8fe59ae
WYG		 1065}
1066
5225935b
WYG		 1067static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
1068 char __user *user_buf,
1069 size_t count, loff_t *ppos) {
1070
28f63a4b 1071 struct iwl_priv *priv = file->private_data;
5225935b
WYG		 1072 int pos = 0;
1073 int cnt = 0;
1074 char *buf;
1075 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
1076 ssize_t ret;
1077 struct iwl_sensitivity_data *data;
1078
1079 data = &priv->sensitivity_data;
1080 buf = kzalloc(bufsz, GFP_KERNEL);
1081 if (!buf) {
1082 IWL_ERR(priv, "Can not allocate Buffer\n");
1083 return -ENOMEM;
1084 }
1085
1086 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
1087 data->auto_corr_ofdm);
1088 pos += scnprintf(buf + pos, bufsz - pos,
1089 "auto_corr_ofdm_mrc:\t\t %u\n",
1090 data->auto_corr_ofdm_mrc);
1091 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
1092 data->auto_corr_ofdm_x1);
1093 pos += scnprintf(buf + pos, bufsz - pos,
1094 "auto_corr_ofdm_mrc_x1:\t\t %u\n",
1095 data->auto_corr_ofdm_mrc_x1);
1096 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
1097 data->auto_corr_cck);
1098 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
1099 data->auto_corr_cck_mrc);
1100 pos += scnprintf(buf + pos, bufsz - pos,
1101 "last_bad_plcp_cnt_ofdm:\t\t %u\n",
1102 data->last_bad_plcp_cnt_ofdm);
1103 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
1104 data->last_fa_cnt_ofdm);
1105 pos += scnprintf(buf + pos, bufsz - pos,
1106 "last_bad_plcp_cnt_cck:\t\t %u\n",
1107 data->last_bad_plcp_cnt_cck);
1108 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
1109 data->last_fa_cnt_cck);
1110 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
1111 data->nrg_curr_state);
1112 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
1113 data->nrg_prev_state);
1114 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
1115 for (cnt = 0; cnt < 10; cnt++) {
1116 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1117 data->nrg_value[cnt]);
1118 }
1119 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1120 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
1121 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
1122 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1123 data->nrg_silence_rssi[cnt]);
1124 }
1125 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1126 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
1127 data->nrg_silence_ref);
1128 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
1129 data->nrg_energy_idx);
1130 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
1131 data->nrg_silence_idx);
1132 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
1133 data->nrg_th_cck);
1134 pos += scnprintf(buf + pos, bufsz - pos,
1135 "nrg_auto_corr_silence_diff:\t %u\n",
1136 data->nrg_auto_corr_silence_diff);
1137 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
1138 data->num_in_cck_no_fa);
1139 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
1140 data->nrg_th_ofdm);
1141
1142 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1143 kfree(buf);
1144 return ret;
1145}
1146
1147
1148static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
1149 char __user *user_buf,
1150 size_t count, loff_t *ppos) {
1151
28f63a4b 1152 struct iwl_priv *priv = file->private_data;
5225935b
WYG		 1153 int pos = 0;
1154 int cnt = 0;
1155 char *buf;
1156 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
1157 ssize_t ret;
1158 struct iwl_chain_noise_data *data;
1159
1160 data = &priv->chain_noise_data;
1161 buf = kzalloc(bufsz, GFP_KERNEL);
1162 if (!buf) {
1163 IWL_ERR(priv, "Can not allocate Buffer\n");
1164 return -ENOMEM;
1165 }
1166
1167 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
1168 data->active_chains);
1169 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
1170 data->chain_noise_a);
1171 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
1172 data->chain_noise_b);
1173 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
1174 data->chain_noise_c);
1175 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
1176 data->chain_signal_a);
1177 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
1178 data->chain_signal_b);
1179 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
1180 data->chain_signal_c);
1181 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
1182 data->beacon_count);
1183
1184 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
1185 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1186 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1187 data->disconn_array[cnt]);
1188 }
1189 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1190 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
1191 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1192 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1193 data->delta_gain_code[cnt]);
1194 }
1195 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1196 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
1197 data->radio_write);
1198 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
1199 data->state);
1200
1201 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1202 kfree(buf);
1203 return ret;
1204}
1205
c09430ab
WYG		 1206static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
1207 char __user *user_buf,
1208 size_t count, loff_t *ppos)
1209{
28f63a4b 1210 struct iwl_priv *priv = file->private_data;
c09430ab
WYG		 1211 char buf[60];
1212 int pos = 0;
1213 const size_t bufsz = sizeof(buf);
1214 u32 pwrsave_status;
1215
1216 pwrsave_status = iwl_read32(priv, CSR_GP_CNTRL) &
1217 CSR_GP_REG_POWER_SAVE_STATUS_MSK;
1218
1219 pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: ");
1220 pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
1221 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" :
1222 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" :
1223 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" :
1224 "error");
1225
1226 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1227}
1228
7163b8a4 1229static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
ef8d5529
WYG		 1230 const char __user *user_buf,
1231 size_t count, loff_t *ppos)
1232{
1233 struct iwl_priv *priv = file->private_data;
1234 char buf[8];
1235 int buf_size;
1236 int clear;
1237
1238 memset(buf, 0, sizeof(buf));
1239 buf_size = min(count, sizeof(buf) - 1);
1240 if (copy_from_user(buf, user_buf, buf_size))
1241 return -EFAULT;
1242 if (sscanf(buf, "%d", &clear) != 1)
1243 return -EFAULT;
1244
1245 /* make request to uCode to retrieve statistics information */
1246 mutex_lock(&priv->mutex);
1247 iwl_send_statistics_request(priv, CMD_SYNC, true);
1248 mutex_unlock(&priv->mutex);
1249
1250 return count;
1251}
1252
696bdee3
WYG		 1253static ssize_t iwl_dbgfs_csr_write(struct file *file,
1254 const char __user *user_buf,
1255 size_t count, loff_t *ppos)
1256{
1257 struct iwl_priv *priv = file->private_data;
1258 char buf[8];
1259 int buf_size;
1260 int csr;
1261
1262 memset(buf, 0, sizeof(buf));
1263 buf_size = min(count, sizeof(buf) - 1);
1264 if (copy_from_user(buf, user_buf, buf_size))
1265 return -EFAULT;
1266 if (sscanf(buf, "%d", &csr) != 1)
1267 return -EFAULT;
1268
3ecccbcd 1269 iwl_dump_csr(priv);
696bdee3
WYG		 1270
1271 return count;
1272}
1273
a9e1cb6a
WYG		 1274static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file,
1275 char __user *user_buf,
1276 size_t count, loff_t *ppos) {
1277
57674308 1278 struct iwl_priv *priv = file->private_data;
a9e1cb6a
WYG		 1279 int pos = 0;
1280 char buf[128];
1281 const size_t bufsz = sizeof(buf);
a9e1cb6a
WYG		 1282
1283 pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n",
1284 priv->event_log.ucode_trace ? "On" : "Off");
1285 pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n",
1286 priv->event_log.non_wraps_count);
1287 pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n",
1288 priv->event_log.wraps_once_count);
1289 pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n",
1290 priv->event_log.wraps_more_count);
1291
4967c316 1292 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
a9e1cb6a
WYG		 1293}
1294
1295static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file,
1296 const char __user *user_buf,
1297 size_t count, loff_t *ppos)
1298{
1299 struct iwl_priv *priv = file->private_data;
1300 char buf[8];
1301 int buf_size;
1302 int trace;
1303
1304 memset(buf, 0, sizeof(buf));
1305 buf_size = min(count, sizeof(buf) - 1);
1306 if (copy_from_user(buf, user_buf, buf_size))
1307 return -EFAULT;
1308 if (sscanf(buf, "%d", &trace) != 1)
1309 return -EFAULT;
1310
1311 if (trace) {
1312 priv->event_log.ucode_trace = true;
1313 /* schedule the ucode timer to occur in UCODE_TRACE_PERIOD */
1314 mod_timer(&priv->ucode_trace,
1315 jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD));
1316 } else {
1317 priv->event_log.ucode_trace = false;
1318 del_timer_sync(&priv->ucode_trace);
1319 }
1320
1321 return count;
1322}
1323
60987206
JB		 1324static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file,
1325 char __user *user_buf,
1326 size_t count, loff_t *ppos) {
1327
57674308 1328 struct iwl_priv *priv = file->private_data;
60987206
JB		 1329 int len = 0;
1330 char buf[20];
1331
246ed355
JB		 1332 len = sprintf(buf, "0x%04X\n",
1333 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags));
60987206
JB		 1334 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1335}
1336
1337static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file,
1338 char __user *user_buf,
1339 size_t count, loff_t *ppos) {
1340
57674308 1341 struct iwl_priv *priv = file->private_data;
60987206
JB		 1342 int len = 0;
1343 char buf[20];
1344
1345 len = sprintf(buf, "0x%04X\n",
246ed355 1346 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags));
60987206
JB		 1347 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1348}
1349
1b3eb823
WYG		 1350static ssize_t iwl_dbgfs_fh_reg_read(struct file *file,
1351 char __user *user_buf,
1352 size_t count, loff_t *ppos)
1353{
57674308 1354 struct iwl_priv *priv = file->private_data;
1b3eb823
WYG		 1355 char *buf;
1356 int pos = 0;
1357 ssize_t ret = -EFAULT;
1358
3ecccbcd
WYG		 1359 ret = pos = iwl_dump_fh(priv, &buf, true);
1360 if (buf) {
1361 ret = simple_read_from_buffer(user_buf,
1362 count, ppos, buf, pos);
1363 kfree(buf);
1b3eb823
WYG		 1364 }
1365
1366 return ret;
1367}
1368
a13d276f
WYG		 1369static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file,
1370 char __user *user_buf,
1371 size_t count, loff_t *ppos) {
1372
1373 struct iwl_priv *priv = file->private_data;
1374 int pos = 0;
1375 char buf[12];
1376 const size_t bufsz = sizeof(buf);
a13d276f
WYG		 1377
1378 pos += scnprintf(buf + pos, bufsz - pos, "%d\n",
1379 priv->missed_beacon_threshold);
1380
4967c316 1381 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
a13d276f
WYG		 1382}
1383
1384static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file,
1385 const char __user *user_buf,
1386 size_t count, loff_t *ppos)
1387{
1388 struct iwl_priv *priv = file->private_data;
1389 char buf[8];
1390 int buf_size;
1391 int missed;
1392
1393 memset(buf, 0, sizeof(buf));
1394 buf_size = min(count, sizeof(buf) - 1);
1395 if (copy_from_user(buf, user_buf, buf_size))
1396 return -EFAULT;
1397 if (sscanf(buf, "%d", &missed) != 1)
1398 return -EINVAL;
1399
1400 if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN ||
1401 missed > IWL_MISSED_BEACON_THRESHOLD_MAX)
1402 priv->missed_beacon_threshold =
1403 IWL_MISSED_BEACON_THRESHOLD_DEF;
1404 else
1405 priv->missed_beacon_threshold = missed;
1406
1407 return count;
1408}
1409
3e4fb5fa
TAN		 1410static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file,
1411 char __user *user_buf,
1412 size_t count, loff_t *ppos) {
1413
57674308 1414 struct iwl_priv *priv = file->private_data;
3e4fb5fa
TAN		 1415 int pos = 0;
1416 char buf[12];
1417 const size_t bufsz = sizeof(buf);
3e4fb5fa
TAN		 1418
1419 pos += scnprintf(buf + pos, bufsz - pos, "%u\n",
7cb1b088 1420 priv->cfg->base_params->plcp_delta_threshold);
3e4fb5fa 1421
4967c316 1422 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
3e4fb5fa
TAN		 1423}
1424
1425static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file,
1426 const char __user *user_buf,
1427 size_t count, loff_t *ppos) {
1428
1429 struct iwl_priv *priv = file->private_data;
1430 char buf[8];
1431 int buf_size;
1432 int plcp;
1433
1434 memset(buf, 0, sizeof(buf));
1435 buf_size = min(count, sizeof(buf) - 1);
1436 if (copy_from_user(buf, user_buf, buf_size))
1437 return -EFAULT;
1438 if (sscanf(buf, "%d", &plcp) != 1)
1439 return -EINVAL;
680788ac 1440 if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) ||
3e4fb5fa 1441 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX))
7cb1b088 1442 priv->cfg->base_params->plcp_delta_threshold =
680788ac 1443 IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE;
3e4fb5fa 1444 else
7cb1b088 1445 priv->cfg->base_params->plcp_delta_threshold = plcp;
3e4fb5fa
TAN		 1446 return count;
1447}
1448
528c3126
WYG		 1449static ssize_t iwl_dbgfs_force_reset_read(struct file *file,
1450 char __user *user_buf,
1451 size_t count, loff_t *ppos) {
1452
1453 struct iwl_priv *priv = file->private_data;
1454 int i, pos = 0;
1455 char buf[300];
1456 const size_t bufsz = sizeof(buf);
1457 struct iwl_force_reset *force_reset;
1458
1459 for (i = 0; i < IWL_MAX_FORCE_RESET; i++) {
1460 force_reset = &priv->force_reset[i];
1461 pos += scnprintf(buf + pos, bufsz - pos,
1462 "Force reset method %d\n", i);
1463 pos += scnprintf(buf + pos, bufsz - pos,
1464 "\tnumber of reset request: %d\n",
1465 force_reset->reset_request_count);
1466 pos += scnprintf(buf + pos, bufsz - pos,
1467 "\tnumber of reset request success: %d\n",
1468 force_reset->reset_success_count);
1469 pos += scnprintf(buf + pos, bufsz - pos,
1470 "\tnumber of reset request reject: %d\n",
1471 force_reset->reset_reject_count);
1472 pos += scnprintf(buf + pos, bufsz - pos,
1473 "\treset duration: %lu\n",
1474 force_reset->reset_duration);
1475 }
1476 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1477}
1478
04cafd7f
WYG		 1479static ssize_t iwl_dbgfs_force_reset_write(struct file *file,
1480 const char __user *user_buf,
1481 size_t count, loff_t *ppos) {
1482
1483 struct iwl_priv *priv = file->private_data;
1484 char buf[8];
1485 int buf_size;
1486 int reset, ret;
1487
1488 memset(buf, 0, sizeof(buf));
1489 buf_size = min(count, sizeof(buf) - 1);
1490 if (copy_from_user(buf, user_buf, buf_size))
1491 return -EFAULT;
1492 if (sscanf(buf, "%d", &reset) != 1)
1493 return -EINVAL;
1494 switch (reset) {
1495 case IWL_RF_RESET:
1496 case IWL_FW_RESET:
c04f9f22 1497 ret = iwl_force_reset(priv, reset, true);
04cafd7f
WYG		 1498 break;
1499 default:
1500 return -EINVAL;
1501 }
1502 return ret ? ret : count;
1503}
1504
4bf49a90
WYG		 1505static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file,
1506 const char __user *user_buf,
1507 size_t count, loff_t *ppos) {
1508
1509 struct iwl_priv *priv = file->private_data;
1510 char buf[8];
1511 int buf_size;
1512 int flush;
1513
1514 memset(buf, 0, sizeof(buf));
1515 buf_size = min(count, sizeof(buf) - 1);
1516 if (copy_from_user(buf, user_buf, buf_size))
1517 return -EFAULT;
1518 if (sscanf(buf, "%d", &flush) != 1)
1519 return -EINVAL;
1520
1521 if (iwl_is_rfkill(priv))
1522 return -EFAULT;
1523
1524 priv->cfg->ops->lib->dev_txfifo_flush(priv, IWL_DROP_ALL);
1525
1526 return count;
1527}
1528
ffb7d896
WYG		 1529static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file,
1530 char __user *user_buf,
1531 size_t count, loff_t *ppos)
1532{
1533 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1534
1535 return priv->cfg->ops->lib->debugfs_ops.bt_stats_read(file,
1536 user_buf, count, ppos);
1537}
1538
22de94de 1539static ssize_t iwl_dbgfs_wd_timeout_write(struct file *file,
7bdc473c
WYG		 1540 const char __user *user_buf,
1541 size_t count, loff_t *ppos) {
1542
1543 struct iwl_priv *priv = file->private_data;
1544 char buf[8];
1545 int buf_size;
22de94de 1546 int timeout;
7bdc473c
WYG		 1547
1548 memset(buf, 0, sizeof(buf));
1549 buf_size = min(count, sizeof(buf) - 1);
1550 if (copy_from_user(buf, user_buf, buf_size))
1551 return -EFAULT;
22de94de 1552 if (sscanf(buf, "%d", &timeout) != 1)
7bdc473c 1553 return -EINVAL;
22de94de
SG		 1554 if (timeout < 0 || timeout > IWL_MAX_WD_TIMEOUT)
1555 timeout = IWL_DEF_WD_TIMEOUT;
7bdc473c 1556
22de94de
SG		 1557 priv->cfg->base_params->wd_timeout = timeout;
1558 iwl_setup_watchdog(priv);
7bdc473c
WYG		 1559 return count;
1560}
1561
befe8c46
WYG		 1562static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file,
1563 char __user *user_buf,
1564 size_t count, loff_t *ppos) {
1565
1566 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1567 int pos = 0;
1568 char buf[200];
1569 const size_t bufsz = sizeof(buf);
befe8c46 1570
f21dd005
WYG		 1571 if (!priv->bt_enable_flag) {
1572 pos += scnprintf(buf + pos, bufsz - pos, "BT coex disabled\n");
08960dea 1573 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
f21dd005
WYG		 1574 }
1575 pos += scnprintf(buf + pos, bufsz - pos, "BT enable flag: 0x%x\n",
1576 priv->bt_enable_flag);
befe8c46
WYG		 1577 pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n",
1578 priv->bt_full_concurrent ? "full concurrency" : "3-wire");
1579 pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, "
1580 "last traffic notif: %d\n",
66e863a5 1581 priv->bt_status ? "On" : "Off", priv->last_bt_traffic_load);
befe8c46 1582 pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, "
187bc4f6
WYG		 1583 "kill_ack_mask: %x, kill_cts_mask: %x\n",
1584 priv->bt_ch_announce, priv->kill_ack_mask,
1585 priv->kill_cts_mask);
befe8c46
WYG		 1586
1587 pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: ");
1588 switch (priv->bt_traffic_load) {
1589 case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
1590 pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n");
1591 break;
1592 case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
1593 pos += scnprintf(buf + pos, bufsz - pos, "High\n");
1594 break;
1595 case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
1596 pos += scnprintf(buf + pos, bufsz - pos, "Low\n");
1597 break;
1598 case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
1599 default:
1600 pos += scnprintf(buf + pos, bufsz - pos, "None\n");
1601 break;
1602 }
1603
08960dea 1604 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
befe8c46
WYG		 1605}
1606
c6abdc0d
WYG		 1607static ssize_t iwl_dbgfs_protection_mode_read(struct file *file,
1608 char __user *user_buf,
1609 size_t count, loff_t *ppos)
1610{
1611 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1612
1613 int pos = 0;
1614 char buf[40];
1615 const size_t bufsz = sizeof(buf);
1616
7cb1b088
WYG		 1617 if (priv->cfg->ht_params)
1618 pos += scnprintf(buf + pos, bufsz - pos,
1619 "use %s for aggregation\n",
1620 (priv->cfg->ht_params->use_rts_for_aggregation) ?
1621 "rts/cts" : "cts-to-self");
1622 else
1623 pos += scnprintf(buf + pos, bufsz - pos, "N/A");
1624
c6abdc0d
WYG		 1625 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1626}
1627
1628static ssize_t iwl_dbgfs_protection_mode_write(struct file *file,
1629 const char __user *user_buf,
1630 size_t count, loff_t *ppos) {
1631
1632 struct iwl_priv *priv = file->private_data;
1633 char buf[8];
1634 int buf_size;
1635 int rts;
1636
7cb1b088
WYG		 1637 if (!priv->cfg->ht_params)
1638 return -EINVAL;
1639
c6abdc0d
WYG		 1640 memset(buf, 0, sizeof(buf));
1641 buf_size = min(count, sizeof(buf) - 1);
1642 if (copy_from_user(buf, user_buf, buf_size))
1643 return -EFAULT;
1644 if (sscanf(buf, "%d", &rts) != 1)
1645 return -EINVAL;
1646 if (rts)
7cb1b088 1647 priv->cfg->ht_params->use_rts_for_aggregation = true;
c6abdc0d 1648 else
7cb1b088 1649 priv->cfg->ht_params->use_rts_for_aggregation = false;
c6abdc0d
WYG		 1650 return count;
1651}
1652
54a9aa65
WYG		 1653static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file,
1654 char __user *user_buf,
1655 size_t count, loff_t *ppos)
1656{
1657 struct iwl_priv *priv = file->private_data;
1658
1659 if (priv->cfg->ops->lib->debugfs_ops.reply_tx_error)
1660 return priv->cfg->ops->lib->debugfs_ops.reply_tx_error(
1661 file, user_buf, count, ppos);
1662 else
1663 return -ENODATA;
1664}
7163b8a4
WYG		 1665DEBUGFS_READ_FILE_OPS(rx_statistics);
1666DEBUGFS_READ_FILE_OPS(tx_statistics);
20594eb0 1667DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
141b03e0
WYG		 1668DEBUGFS_READ_FILE_OPS(rx_queue);
1669DEBUGFS_READ_FILE_OPS(tx_queue);
e8fe59ae
WYG		 1670DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
1671DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
1672DEBUGFS_READ_FILE_OPS(ucode_general_stats);
5225935b
WYG		 1673DEBUGFS_READ_FILE_OPS(sensitivity);
1674DEBUGFS_READ_FILE_OPS(chain_noise);
c09430ab 1675DEBUGFS_READ_FILE_OPS(power_save_status);
7163b8a4
WYG		 1676DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
1677DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics);
696bdee3 1678DEBUGFS_WRITE_FILE_OPS(csr);
a9e1cb6a 1679DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing);
1b3eb823 1680DEBUGFS_READ_FILE_OPS(fh_reg);
a13d276f 1681DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon);
3e4fb5fa 1682DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta);
528c3126 1683DEBUGFS_READ_WRITE_FILE_OPS(force_reset);
60987206
JB		 1684DEBUGFS_READ_FILE_OPS(rxon_flags);
1685DEBUGFS_READ_FILE_OPS(rxon_filter_flags);
4bf49a90 1686DEBUGFS_WRITE_FILE_OPS(txfifo_flush);
ffb7d896 1687DEBUGFS_READ_FILE_OPS(ucode_bt_stats);
22de94de 1688DEBUGFS_WRITE_FILE_OPS(wd_timeout);
befe8c46 1689DEBUGFS_READ_FILE_OPS(bt_traffic);
c6abdc0d 1690DEBUGFS_READ_WRITE_FILE_OPS(protection_mode);
54a9aa65 1691DEBUGFS_READ_FILE_OPS(reply_tx_error);
20594eb0 1692
712b6cf5
TW		 1693/*
1694 * Create the debugfs files and directories
1695 *
1696 */
1697int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
1698{
95b1a822 1699 struct dentry *phyd = priv->hw->wiphy->debugfsdir;
4c84a8f1 1700 struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug;
712b6cf5 1701
4c84a8f1
JB		 1702 dir_drv = debugfs_create_dir(name, phyd);
1703 if (!dir_drv)
1704 return -ENOMEM;
712b6cf5 1705
4c84a8f1
JB		 1706 priv->debugfs_dir = dir_drv;
1707
1708 dir_data = debugfs_create_dir("data", dir_drv);
1709 if (!dir_data)
1710 goto err;
1711 dir_rf = debugfs_create_dir("rf", dir_drv);
1712 if (!dir_rf)
1713 goto err;
1714 dir_debug = debugfs_create_dir("debug", dir_drv);
1715 if (!dir_debug)
712b6cf5 1716 goto err;
712b6cf5 1717
4c84a8f1
JB		 1718 DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR);
1719 DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR);
1720 DEBUGFS_ADD_FILE(log_event, dir_data, S_IWUSR | S_IRUSR);
1721 DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR);
1722 DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR);
1723 DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR);
1724 DEBUGFS_ADD_FILE(interrupt, dir_data, S_IWUSR | S_IRUSR);
1725 DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR);
23c0fcc6
WYG		 1726 DEBUGFS_ADD_FILE(sleep_level_override, dir_data, S_IWUSR | S_IRUSR);
1727 DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR);
4c84a8f1
JB		 1728 DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR);
1729 DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR);
1730 DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR);
1731 DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR);
1732 DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR);
1733 DEBUGFS_ADD_FILE(rx_queue, dir_debug, S_IRUSR);
1734 DEBUGFS_ADD_FILE(tx_queue, dir_debug, S_IRUSR);
4c84a8f1
JB		 1735 DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR);
1736 DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR);
1737 DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR);
1738 DEBUGFS_ADD_FILE(csr, dir_debug, S_IWUSR);
1739 DEBUGFS_ADD_FILE(fh_reg, dir_debug, S_IRUSR);
1740 DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR);
4c84a8f1 1741 DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR);
528c3126 1742 DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR);
b8c76267
AK		 1743 DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR);
1744 DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR);
1745 DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR);
4bf49a90
WYG		 1746 if (priv->cfg->ops->lib->dev_txfifo_flush)
1747 DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, S_IWUSR);
c6abdc0d 1748 DEBUGFS_ADD_FILE(protection_mode, dir_debug, S_IWUSR | S_IRUSR);
b8c76267 1749
703bc583
WYG		 1750 DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR);
1751 DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR);
b7af6a99 1752 DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR);
0da0e5bf 1753 DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, S_IRUSR);
54a9aa65 1754 DEBUGFS_ADD_FILE(reply_tx_error, dir_debug, S_IRUSR);
60987206
JB		 1755 DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR);
1756 DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR);
22de94de 1757 DEBUGFS_ADD_FILE(wd_timeout, dir_debug, S_IWUSR);
88e58fc5 1758 if (iwl_advanced_bt_coexist(priv))
befe8c46 1759 DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);
703bc583
WYG		 1760 DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf,
1761 &priv->disable_sens_cal);
1762 DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf,
1763 &priv->disable_chain_noise_cal);
712b6cf5
TW		 1764 return 0;
1765
1766err:
4c84a8f1 1767 IWL_ERR(priv, "Can't create the debugfs directory\n");
712b6cf5 1768 iwl_dbgfs_unregister(priv);
4c84a8f1 1769 return -ENOMEM;
712b6cf5 1770}
712b6cf5
TW		 1771
1772/**
1773 * Remove the debugfs files and directories
1774 *
1775 */
1776void iwl_dbgfs_unregister(struct iwl_priv *priv)
1777{
4c84a8f1 1778 if (!priv->debugfs_dir)
712b6cf5
TW		 1779 return;
1780
4c84a8f1
JB		 1781 debugfs_remove_recursive(priv->debugfs_dir);
1782 priv->debugfs_dir = NULL;
712b6cf5 1783}
712b6cf5
TW		 1784
1785
445c2dff 1786
Linux kernel - Deliverables
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