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Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
[net-next-2.6.git] / drivers / net / wireless / iwlwifi / iwl-debugfs.c
CommitLineData
712b6cf5
TW		 1/******************************************************************************
2 *
3 * GPL LICENSE SUMMARY
4 *
1f447808 5 * Copyright(c) 2008 - 2010 Intel Corporation. All rights reserved.
712b6cf5
TW		 6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of version 2 of the GNU General Public License as
9 * published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
19 * USA
20 *
21 * The full GNU General Public License is included in this distribution
22 * in the file called LICENSE.GPL.
23 *
24 * Contact Information:
759ef89f 25 * Intel Linux Wireless <ilw@linux.intel.com>
712b6cf5
TW		 26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
27 *****************************************************************************/
28
5a0e3ad6 29#include <linux/slab.h>
712b6cf5
TW		 30#include <linux/kernel.h>
31#include <linux/module.h>
32#include <linux/debugfs.h>
33
34#include <linux/ieee80211.h>
35#include <net/mac80211.h>
36
37
3e0d4cb1 38#include "iwl-dev.h"
712b6cf5 39#include "iwl-debug.h"
fee1247a 40#include "iwl-core.h"
3395f6e9 41#include "iwl-io.h"
5225935b 42#include "iwl-calib.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, \
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, \
97};
98
99
712b6cf5
TW		 100#define DEBUGFS_READ_WRITE_FILE_OPS(name) \
101 DEBUGFS_READ_FUNC(name); \
102 DEBUGFS_WRITE_FUNC(name); \
103static const struct file_operations iwl_dbgfs_##name##_ops = { \
104 .write = iwl_dbgfs_##name##_write, \
105 .read = iwl_dbgfs_##name##_read, \
106 .open = iwl_dbgfs_open_file_generic, \
107};
108
712b6cf5
TW		 109static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file,
110 char __user *user_buf,
111 size_t count, loff_t *ppos) {
112
28f63a4b 113 struct iwl_priv *priv = file->private_data;
22fdf3c9 114 char *buf;
712b6cf5
TW		 115 int pos = 0;
116
22fdf3c9
WYG		 117 int cnt;
118 ssize_t ret;
98a7b43b
WYG		 119 const size_t bufsz = 100 +
120 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
22fdf3c9
WYG		 121 buf = kzalloc(bufsz, GFP_KERNEL);
122 if (!buf)
123 return -ENOMEM;
124 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
125 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
126 pos += scnprintf(buf + pos, bufsz - pos,
98a7b43b 127 "\t%25s\t\t: %u\n",
22fdf3c9
WYG		 128 get_mgmt_string(cnt),
129 priv->tx_stats.mgmt[cnt]);
130 }
131 pos += scnprintf(buf + pos, bufsz - pos, "Control\n");
132 for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
133 pos += scnprintf(buf + pos, bufsz - pos,
98a7b43b 134 "\t%25s\t\t: %u\n",
22fdf3c9
WYG		 135 get_ctrl_string(cnt),
136 priv->tx_stats.ctrl[cnt]);
137 }
138 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
139 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
140 priv->tx_stats.data_cnt);
141 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
142 priv->tx_stats.data_bytes);
143 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
144 kfree(buf);
145 return ret;
146}
147
7163b8a4 148static ssize_t iwl_dbgfs_clear_traffic_statistics_write(struct file *file,
22fdf3c9
WYG		 149 const char __user *user_buf,
150 size_t count, loff_t *ppos)
151{
152 struct iwl_priv *priv = file->private_data;
153 u32 clear_flag;
154 char buf[8];
155 int buf_size;
712b6cf5 156
22fdf3c9
WYG		 157 memset(buf, 0, sizeof(buf));
158 buf_size = min(count, sizeof(buf) - 1);
159 if (copy_from_user(buf, user_buf, buf_size))
160 return -EFAULT;
161 if (sscanf(buf, "%x", &clear_flag) != 1)
162 return -EFAULT;
7163b8a4 163 iwl_clear_traffic_stats(priv);
22fdf3c9
WYG		 164
165 return count;
712b6cf5
TW		 166}
167
168static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file,
169 char __user *user_buf,
170 size_t count, loff_t *ppos) {
171
28f63a4b 172 struct iwl_priv *priv = file->private_data;
22fdf3c9 173 char *buf;
712b6cf5 174 int pos = 0;
22fdf3c9
WYG		 175 int cnt;
176 ssize_t ret;
177 const size_t bufsz = 100 +
98a7b43b 178 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
22fdf3c9
WYG		 179 buf = kzalloc(bufsz, GFP_KERNEL);
180 if (!buf)
181 return -ENOMEM;
712b6cf5 182
22fdf3c9
WYG		 183 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
184 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
185 pos += scnprintf(buf + pos, bufsz - pos,
98a7b43b 186 "\t%25s\t\t: %u\n",
22fdf3c9
WYG		 187 get_mgmt_string(cnt),
188 priv->rx_stats.mgmt[cnt]);
189 }
190 pos += scnprintf(buf + pos, bufsz - pos, "Control:\n");
191 for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
192 pos += scnprintf(buf + pos, bufsz - pos,
98a7b43b 193 "\t%25s\t\t: %u\n",
22fdf3c9
WYG		 194 get_ctrl_string(cnt),
195 priv->rx_stats.ctrl[cnt]);
196 }
197 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
198 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
199 priv->rx_stats.data_cnt);
200 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
201 priv->rx_stats.data_bytes);
712b6cf5 202
22fdf3c9
WYG		 203 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
204 kfree(buf);
205 return ret;
206}
207
712b6cf5
TW		 208#define BYTE1_MASK 0x000000ff;
209#define BYTE2_MASK 0x0000ffff;
210#define BYTE3_MASK 0x00ffffff;
211static ssize_t iwl_dbgfs_sram_read(struct file *file,
212 char __user *user_buf,
213 size_t count, loff_t *ppos)
214{
215 u32 val;
2943f136 216 char *buf;
712b6cf5
TW		 217 ssize_t ret;
218 int i;
219 int pos = 0;
28f63a4b 220 struct iwl_priv *priv = file->private_data;
2943f136 221 size_t bufsz;
712b6cf5 222
5ade1e4d 223 /* default is to dump the entire data segment */
4c84a8f1
JB		 224 if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) {
225 priv->dbgfs_sram_offset = 0x800000;
5ade1e4d 226 if (priv->ucode_type == UCODE_INIT)
4c84a8f1 227 priv->dbgfs_sram_len = priv->ucode_init_data.len;
5ade1e4d 228 else
4c84a8f1 229 priv->dbgfs_sram_len = priv->ucode_data.len;
5ade1e4d 230 }
4c84a8f1 231 bufsz = 30 + priv->dbgfs_sram_len * sizeof(char) * 10;
2943f136
WYG		 232 buf = kmalloc(bufsz, GFP_KERNEL);
233 if (!buf)
234 return -ENOMEM;
5ade1e4d 235 pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n",
4c84a8f1 236 priv->dbgfs_sram_len);
5ade1e4d 237 pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n",
4c84a8f1
JB		 238 priv->dbgfs_sram_offset);
239 for (i = priv->dbgfs_sram_len; i > 0; i -= 4) {
240 val = iwl_read_targ_mem(priv, priv->dbgfs_sram_offset + \
241 priv->dbgfs_sram_len - i);
712b6cf5
TW		 242 if (i < 4) {
243 switch (i) {
244 case 1:
245 val &= BYTE1_MASK;
246 break;
247 case 2:
248 val &= BYTE2_MASK;
249 break;
250 case 3:
251 val &= BYTE3_MASK;
252 break;
253 }
254 }
2943f136
WYG		 255 if (!(i % 16))
256 pos += scnprintf(buf + pos, bufsz - pos, "\n");
db0589f3 257 pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val);
712b6cf5 258 }
db0589f3 259 pos += scnprintf(buf + pos, bufsz - pos, "\n");
712b6cf5
TW		 260
261 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2943f136 262 kfree(buf);
712b6cf5
TW		 263 return ret;
264}
265
266static ssize_t iwl_dbgfs_sram_write(struct file *file,
267 const char __user *user_buf,
268 size_t count, loff_t *ppos)
269{
270 struct iwl_priv *priv = file->private_data;
271 char buf[64];
272 int buf_size;
273 u32 offset, len;
274
275 memset(buf, 0, sizeof(buf));
276 buf_size = min(count, sizeof(buf) - 1);
277 if (copy_from_user(buf, user_buf, buf_size))
278 return -EFAULT;
279
280 if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
4c84a8f1
JB		 281 priv->dbgfs_sram_offset = offset;
282 priv->dbgfs_sram_len = len;
712b6cf5 283 } else {
4c84a8f1
JB		 284 priv->dbgfs_sram_offset = 0;
285 priv->dbgfs_sram_len = 0;
712b6cf5
TW		 286 }
287
288 return count;
289}
290
291static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
292 size_t count, loff_t *ppos)
293{
28f63a4b 294 struct iwl_priv *priv = file->private_data;
6def9761 295 struct iwl_station_entry *station;
5425e490 296 int max_sta = priv->hw_params.max_stations;
712b6cf5
TW		 297 char *buf;
298 int i, j, pos = 0;
299 ssize_t ret;
300 /* Add 30 for initial string */
301 const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
712b6cf5
TW		 302
303 buf = kmalloc(bufsz, GFP_KERNEL);
3ac7f146 304 if (!buf)
712b6cf5
TW		 305 return -ENOMEM;
306
db0589f3 307 pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
712b6cf5
TW		 308 priv->num_stations);
309
310 for (i = 0; i < max_sta; i++) {
311 station = &priv->stations[i];
da73511d
JB		 312 if (!station->used)
313 continue;
314 pos += scnprintf(buf + pos, bufsz - pos,
315 "station %d - addr: %pM, flags: %#x\n",
316 i, station->sta.sta.addr,
317 station->sta.station_flags_msk);
318 pos += scnprintf(buf + pos, bufsz - pos,
319 "TID\tseq_num\ttxq_id\tframes\ttfds\t");
320 pos += scnprintf(buf + pos, bufsz - pos,
321 "start_idx\tbitmap\t\t\trate_n_flags\n");
712b6cf5 322
da73511d
JB		 323 for (j = 0; j < MAX_TID_COUNT; j++) {
324 pos += scnprintf(buf + pos, bufsz - pos,
325 "%d:\t%#x\t%#x\t%u\t%u\t%u\t\t%#.16llx\t%#x",
326 j, station->tid[j].seq_number,
327 station->tid[j].agg.txq_id,
328 station->tid[j].agg.frame_count,
329 station->tid[j].tfds_in_queue,
330 station->tid[j].agg.start_idx,
331 station->tid[j].agg.bitmap,
332 station->tid[j].agg.rate_n_flags);
333
334 if (station->tid[j].agg.wait_for_ba)
db0589f3 335 pos += scnprintf(buf + pos, bufsz - pos,
da73511d 336 " - waitforba");
db0589f3 337 pos += scnprintf(buf + pos, bufsz - pos, "\n");
712b6cf5 338 }
da73511d
JB		 339
340 pos += scnprintf(buf + pos, bufsz - pos, "\n");
712b6cf5
TW		 341 }
342
343 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
344 kfree(buf);
345 return ret;
346}
347
0848e297 348static ssize_t iwl_dbgfs_nvm_read(struct file *file,
8dd266ef
TW		 349 char __user *user_buf,
350 size_t count,
351 loff_t *ppos)
352{
353 ssize_t ret;
28f63a4b 354 struct iwl_priv *priv = file->private_data;
8dd266ef
TW		 355 int pos = 0, ofs = 0, buf_size = 0;
356 const u8 *ptr;
357 char *buf;
e307ddce 358 u16 eeprom_ver;
8dd266ef
TW		 359 size_t eeprom_len = priv->cfg->eeprom_size;
360 buf_size = 4 * eeprom_len + 256;
361
362 if (eeprom_len % 16) {
0848e297 363 IWL_ERR(priv, "NVM size is not multiple of 16.\n");
8dd266ef
TW		 364 return -ENODATA;
365 }
366
c37457e6
JL		 367 ptr = priv->eeprom;
368 if (!ptr) {
369 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
370 return -ENOMEM;
371 }
372
8dd266ef
TW		 373 /* 4 characters for byte 0xYY */
374 buf = kzalloc(buf_size, GFP_KERNEL);
375 if (!buf) {
15b1687c 376 IWL_ERR(priv, "Can not allocate Buffer\n");
8dd266ef
TW		 377 return -ENOMEM;
378 }
e307ddce
WYG		 379 eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION);
380 pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, "
381 "version: 0x%x\n",
0848e297 382 (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
e307ddce 383 ? "OTP" : "EEPROM", eeprom_ver);
8dd266ef
TW		 384 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
385 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
386 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
387 buf_size - pos, 0);
2fac9717 388 pos += strlen(buf + pos);
8dd266ef
TW		 389 if (buf_size - pos > 0)
390 buf[pos++] = '\n';
391 }
392
393 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
394 kfree(buf);
395 return ret;
396}
712b6cf5 397
b03d7d0f
WYG		 398static ssize_t iwl_dbgfs_log_event_read(struct file *file,
399 char __user *user_buf,
400 size_t count, loff_t *ppos)
401{
402 struct iwl_priv *priv = file->private_data;
403 char *buf;
404 int pos = 0;
405 ssize_t ret = -ENOMEM;
406
937c397e
WYG		 407 ret = pos = priv->cfg->ops->lib->dump_nic_event_log(
408 priv, true, &buf, true);
409 if (buf) {
b03d7d0f
WYG		 410 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
411 kfree(buf);
412 }
413 return ret;
414}
415
189a2b59
EK		 416static ssize_t iwl_dbgfs_log_event_write(struct file *file,
417 const char __user *user_buf,
418 size_t count, loff_t *ppos)
419{
420 struct iwl_priv *priv = file->private_data;
421 u32 event_log_flag;
422 char buf[8];
423 int buf_size;
424
425 memset(buf, 0, sizeof(buf));
426 buf_size = min(count, sizeof(buf) - 1);
427 if (copy_from_user(buf, user_buf, buf_size))
428 return -EFAULT;
429 if (sscanf(buf, "%d", &event_log_flag) != 1)
430 return -EFAULT;
431 if (event_log_flag == 1)
b03d7d0f
WYG		 432 priv->cfg->ops->lib->dump_nic_event_log(priv, true,
433 NULL, false);
189a2b59
EK		 434
435 return count;
436}
437
d366df5a
WT		 438
439
440static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
441 size_t count, loff_t *ppos)
442{
28f63a4b 443 struct iwl_priv *priv = file->private_data;
d366df5a
WT		 444 struct ieee80211_channel *channels = NULL;
445 const struct ieee80211_supported_band *supp_band = NULL;
446 int pos = 0, i, bufsz = PAGE_SIZE;
447 char *buf;
448 ssize_t ret;
449
450 if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status))
451 return -EAGAIN;
452
453 buf = kzalloc(bufsz, GFP_KERNEL);
454 if (!buf) {
15b1687c 455 IWL_ERR(priv, "Can not allocate Buffer\n");
d366df5a
WT		 456 return -ENOMEM;
457 }
458
459 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
a2e2322d
WYG		 460 if (supp_band) {
461 channels = supp_band->channels;
d366df5a 462
d366df5a 463 pos += scnprintf(buf + pos, bufsz - pos,
a2e2322d
WYG		 464 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
465 supp_band->n_channels);
d366df5a 466
a2e2322d
WYG		 467 for (i = 0; i < supp_band->n_channels; i++)
468 pos += scnprintf(buf + pos, bufsz - pos,
469 "%d: %ddBm: BSS%s%s, %s.\n",
81e95430 470 channels[i].hw_value,
a2e2322d
WYG		 471 channels[i].max_power,
472 channels[i].flags & IEEE80211_CHAN_RADAR ?
473 " (IEEE 802.11h required)" : "",
474 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
475 || (channels[i].flags &
476 IEEE80211_CHAN_RADAR)) ? "" :
477 ", IBSS",
478 channels[i].flags &
479 IEEE80211_CHAN_PASSIVE_SCAN ?
480 "passive only" : "active/passive");
481 }
d366df5a 482 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
a2e2322d
WYG		 483 if (supp_band) {
484 channels = supp_band->channels;
d366df5a 485
d366df5a 486 pos += scnprintf(buf + pos, bufsz - pos,
a2e2322d
WYG		 487 "Displaying %d channels in 5.2GHz band (802.11a)\n",
488 supp_band->n_channels);
489
490 for (i = 0; i < supp_band->n_channels; i++)
491 pos += scnprintf(buf + pos, bufsz - pos,
492 "%d: %ddBm: BSS%s%s, %s.\n",
81e95430 493 channels[i].hw_value,
a2e2322d
WYG		 494 channels[i].max_power,
495 channels[i].flags & IEEE80211_CHAN_RADAR ?
496 " (IEEE 802.11h required)" : "",
497 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
498 || (channels[i].flags &
499 IEEE80211_CHAN_RADAR)) ? "" :
500 ", IBSS",
501 channels[i].flags &
502 IEEE80211_CHAN_PASSIVE_SCAN ?
503 "passive only" : "active/passive");
504 }
d366df5a
WT		 505 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
506 kfree(buf);
507 return ret;
508}
509
08df05aa
WYG		 510static ssize_t iwl_dbgfs_status_read(struct file *file,
511 char __user *user_buf,
512 size_t count, loff_t *ppos) {
513
28f63a4b 514 struct iwl_priv *priv = file->private_data;
08df05aa
WYG		 515 char buf[512];
516 int pos = 0;
517 const size_t bufsz = sizeof(buf);
518
519 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n",
520 test_bit(STATUS_HCMD_ACTIVE, &priv->status));
08df05aa
WYG		 521 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n",
522 test_bit(STATUS_INT_ENABLED, &priv->status));
523 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
524 test_bit(STATUS_RF_KILL_HW, &priv->status));
7812b167
WYG		 525 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n",
526 test_bit(STATUS_CT_KILL, &priv->status));
08df05aa
WYG		 527 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n",
528 test_bit(STATUS_INIT, &priv->status));
529 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
530 test_bit(STATUS_ALIVE, &priv->status));
531 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
532 test_bit(STATUS_READY, &priv->status));
533 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n",
534 test_bit(STATUS_TEMPERATURE, &priv->status));
535 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
536 test_bit(STATUS_GEO_CONFIGURED, &priv->status));
537 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
538 test_bit(STATUS_EXIT_PENDING, &priv->status));
08df05aa
WYG		 539 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
540 test_bit(STATUS_STATISTICS, &priv->status));
541 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
542 test_bit(STATUS_SCANNING, &priv->status));
543 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
544 test_bit(STATUS_SCAN_ABORTING, &priv->status));
545 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
546 test_bit(STATUS_SCAN_HW, &priv->status));
547 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
548 test_bit(STATUS_POWER_PMI, &priv->status));
549 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
550 test_bit(STATUS_FW_ERROR, &priv->status));
08df05aa
WYG		 551 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
552}
553
a83b9141
WYG		 554static ssize_t iwl_dbgfs_interrupt_read(struct file *file,
555 char __user *user_buf,
556 size_t count, loff_t *ppos) {
557
28f63a4b 558 struct iwl_priv *priv = file->private_data;
a83b9141
WYG		 559 int pos = 0;
560 int cnt = 0;
561 char *buf;
562 int bufsz = 24 * 64; /* 24 items * 64 char per item */
563 ssize_t ret;
564
565 buf = kzalloc(bufsz, GFP_KERNEL);
566 if (!buf) {
567 IWL_ERR(priv, "Can not allocate Buffer\n");
568 return -ENOMEM;
569 }
570
571 pos += scnprintf(buf + pos, bufsz - pos,
572 "Interrupt Statistics Report:\n");
573
574 pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n",
575 priv->isr_stats.hw);
576 pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n",
577 priv->isr_stats.sw);
6e6ebf4b 578 if (priv->isr_stats.sw || priv->isr_stats.hw) {
a83b9141
WYG		 579 pos += scnprintf(buf + pos, bufsz - pos,
580 "\tLast Restarting Code: 0x%X\n",
6e6ebf4b 581 priv->isr_stats.err_code);
a83b9141
WYG		 582 }
583#ifdef CONFIG_IWLWIFI_DEBUG
584 pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n",
585 priv->isr_stats.sch);
586 pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n",
587 priv->isr_stats.alive);
588#endif
589 pos += scnprintf(buf + pos, bufsz - pos,
590 "HW RF KILL switch toggled:\t %u\n",
591 priv->isr_stats.rfkill);
592
593 pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n",
594 priv->isr_stats.ctkill);
595
596 pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n",
597 priv->isr_stats.wakeup);
598
599 pos += scnprintf(buf + pos, bufsz - pos,
600 "Rx command responses:\t\t %u\n",
601 priv->isr_stats.rx);
602 for (cnt = 0; cnt < REPLY_MAX; cnt++) {
603 if (priv->isr_stats.rx_handlers[cnt] > 0)
604 pos += scnprintf(buf + pos, bufsz - pos,
605 "\tRx handler[%36s]:\t\t %u\n",
606 get_cmd_string(cnt),
607 priv->isr_stats.rx_handlers[cnt]);
608 }
609
610 pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n",
611 priv->isr_stats.tx);
612
613 pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n",
614 priv->isr_stats.unhandled);
615
616 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
617 kfree(buf);
618 return ret;
619}
620
621static ssize_t iwl_dbgfs_interrupt_write(struct file *file,
622 const char __user *user_buf,
623 size_t count, loff_t *ppos)
624{
625 struct iwl_priv *priv = file->private_data;
626 char buf[8];
627 int buf_size;
628 u32 reset_flag;
629
630 memset(buf, 0, sizeof(buf));
631 buf_size = min(count, sizeof(buf) - 1);
632 if (copy_from_user(buf, user_buf, buf_size))
633 return -EFAULT;
634 if (sscanf(buf, "%x", &reset_flag) != 1)
635 return -EFAULT;
636 if (reset_flag == 0)
637 iwl_clear_isr_stats(priv);
638
639 return count;
640}
641
f5ad69fa
WYG		 642static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
643 size_t count, loff_t *ppos)
644{
28f63a4b 645 struct iwl_priv *priv = file->private_data;
8dfdb9d5 646 struct iwl_rxon_context *ctx;
f5ad69fa 647 int pos = 0, i;
8dfdb9d5 648 char buf[256 * NUM_IWL_RXON_CTX];
f5ad69fa 649 const size_t bufsz = sizeof(buf);
f5ad69fa 650
8dfdb9d5
JB		 651 for_each_context(priv, ctx) {
652 pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n",
653 ctx->ctxid);
654 for (i = 0; i < AC_NUM; i++) {
655 pos += scnprintf(buf + pos, bufsz - pos,
656 "\tcw_min\tcw_max\taifsn\ttxop\n");
657 pos += scnprintf(buf + pos, bufsz - pos,
f5ad69fa 658 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
8dfdb9d5
JB		 659 ctx->qos_data.def_qos_parm.ac[i].cw_min,
660 ctx->qos_data.def_qos_parm.ac[i].cw_max,
661 ctx->qos_data.def_qos_parm.ac[i].aifsn,
662 ctx->qos_data.def_qos_parm.ac[i].edca_txop);
663 }
664 pos += scnprintf(buf + pos, bufsz - pos, "\n");
f5ad69fa 665 }
4967c316 666 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
f5ad69fa 667}
a83b9141 668
a283c011
WYG		 669static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf,
670 size_t count, loff_t *ppos)
671{
28f63a4b 672 struct iwl_priv *priv = file->private_data;
a283c011
WYG		 673 int pos = 0;
674 char buf[256];
675 const size_t bufsz = sizeof(buf);
a283c011
WYG		 676
677 pos += scnprintf(buf + pos, bufsz - pos,
678 "allow blinking: %s\n",
679 (priv->allow_blinking) ? "True" : "False");
680 if (priv->allow_blinking) {
681 pos += scnprintf(buf + pos, bufsz - pos,
682 "Led blinking rate: %u\n",
683 priv->last_blink_rate);
684 pos += scnprintf(buf + pos, bufsz - pos,
685 "Last blink time: %lu\n",
686 priv->last_blink_time);
687 }
688
4967c316 689 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
a283c011 690}
a283c011 691
fbf3a2af
WYG		 692static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
693 char __user *user_buf,
694 size_t count, loff_t *ppos)
695{
28f63a4b 696 struct iwl_priv *priv = file->private_data;
3ad3b92a 697 struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
fbf3a2af
WYG		 698 struct iwl_tt_restriction *restriction;
699 char buf[100];
700 int pos = 0;
701 const size_t bufsz = sizeof(buf);
fbf3a2af
WYG		 702
703 pos += scnprintf(buf + pos, bufsz - pos,
704 "Thermal Throttling Mode: %s\n",
3ad3b92a 705 tt->advanced_tt ? "Advance" : "Legacy");
fbf3a2af
WYG		 706 pos += scnprintf(buf + pos, bufsz - pos,
707 "Thermal Throttling State: %d\n",
708 tt->state);
3ad3b92a 709 if (tt->advanced_tt) {
fbf3a2af
WYG		 710 restriction = tt->restriction + tt->state;
711 pos += scnprintf(buf + pos, bufsz - pos,
712 "Tx mode: %d\n",
713 restriction->tx_stream);
714 pos += scnprintf(buf + pos, bufsz - pos,
715 "Rx mode: %d\n",
716 restriction->rx_stream);
717 pos += scnprintf(buf + pos, bufsz - pos,
718 "HT mode: %d\n",
719 restriction->is_ht);
720 }
4967c316 721 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
fbf3a2af
WYG		 722}
723
1e4247d4
WYG		 724static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
725 const char __user *user_buf,
726 size_t count, loff_t *ppos)
727{
728 struct iwl_priv *priv = file->private_data;
729 char buf[8];
730 int buf_size;
731 int ht40;
732
733 memset(buf, 0, sizeof(buf));
734 buf_size = min(count, sizeof(buf) - 1);
735 if (copy_from_user(buf, user_buf, buf_size))
736 return -EFAULT;
737 if (sscanf(buf, "%d", &ht40) != 1)
738 return -EFAULT;
246ed355 739 if (!iwl_is_any_associated(priv))
1e4247d4
WYG		 740 priv->disable_ht40 = ht40 ? true : false;
741 else {
742 IWL_ERR(priv, "Sta associated with AP - "
743 "Change to 40MHz channel support is not allowed\n");
744 return -EINVAL;
745 }
746
747 return count;
748}
749
750static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
751 char __user *user_buf,
752 size_t count, loff_t *ppos)
753{
28f63a4b 754 struct iwl_priv *priv = file->private_data;
1e4247d4
WYG		 755 char buf[100];
756 int pos = 0;
757 const size_t bufsz = sizeof(buf);
1e4247d4
WYG		 758
759 pos += scnprintf(buf + pos, bufsz - pos,
760 "11n 40MHz Mode: %s\n",
761 priv->disable_ht40 ? "Disabled" : "Enabled");
4967c316 762 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1e4247d4
WYG		 763}
764
e312c24c
JB		 765static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
766 const char __user *user_buf,
767 size_t count, loff_t *ppos)
768{
769 struct iwl_priv *priv = file->private_data;
770 char buf[8];
771 int buf_size;
772 int value;
773
774 memset(buf, 0, sizeof(buf));
775 buf_size = min(count, sizeof(buf) - 1);
776 if (copy_from_user(buf, user_buf, buf_size))
777 return -EFAULT;
778
779 if (sscanf(buf, "%d", &value) != 1)
780 return -EINVAL;
781
782 /*
783 * Our users expect 0 to be "CAM", but 0 isn't actually
784 * valid here. However, let's not confuse them and present
785 * IWL_POWER_INDEX_1 as "1", not "0".
786 */
1a34c043
RC		 787 if (value == 0)
788 return -EINVAL;
789 else if (value > 0)
e312c24c
JB		 790 value -= 1;
791
792 if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
793 return -EINVAL;
794
4ad177b5
WYG		 795 if (!iwl_is_ready_rf(priv))
796 return -EAGAIN;
797
e312c24c
JB		 798 priv->power_data.debug_sleep_level_override = value;
799
d3a57197 800 mutex_lock(&priv->mutex);
4ad177b5 801 iwl_power_update_mode(priv, true);
d3a57197 802 mutex_unlock(&priv->mutex);
e312c24c
JB		 803
804 return count;
805}
806
807static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
808 char __user *user_buf,
809 size_t count, loff_t *ppos)
810{
28f63a4b 811 struct iwl_priv *priv = file->private_data;
e312c24c
JB		 812 char buf[10];
813 int pos, value;
814 const size_t bufsz = sizeof(buf);
815
816 /* see the write function */
817 value = priv->power_data.debug_sleep_level_override;
818 if (value >= 0)
819 value += 1;
820
821 pos = scnprintf(buf, bufsz, "%d\n", value);
822 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
823}
824
825static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
826 char __user *user_buf,
827 size_t count, loff_t *ppos)
828{
28f63a4b 829 struct iwl_priv *priv = file->private_data;
e312c24c
JB		 830 char buf[200];
831 int pos = 0, i;
832 const size_t bufsz = sizeof(buf);
833 struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
834
835 pos += scnprintf(buf + pos, bufsz - pos,
836 "flags: %#.2x\n", le16_to_cpu(cmd->flags));
837 pos += scnprintf(buf + pos, bufsz - pos,
838 "RX/TX timeout: %d/%d usec\n",
839 le32_to_cpu(cmd->rx_data_timeout),
840 le32_to_cpu(cmd->tx_data_timeout));
841 for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
842 pos += scnprintf(buf + pos, bufsz - pos,
843 "sleep_interval[%d]: %d\n", i,
844 le32_to_cpu(cmd->sleep_interval[i]));
845
846 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
847}
848
712b6cf5 849DEBUGFS_READ_WRITE_FILE_OPS(sram);
b03d7d0f 850DEBUGFS_READ_WRITE_FILE_OPS(log_event);
0848e297 851DEBUGFS_READ_FILE_OPS(nvm);
712b6cf5 852DEBUGFS_READ_FILE_OPS(stations);
d366df5a 853DEBUGFS_READ_FILE_OPS(channels);
08df05aa 854DEBUGFS_READ_FILE_OPS(status);
a83b9141 855DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
f5ad69fa 856DEBUGFS_READ_FILE_OPS(qos);
a283c011 857DEBUGFS_READ_FILE_OPS(led);
fbf3a2af 858DEBUGFS_READ_FILE_OPS(thermal_throttling);
1e4247d4 859DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
e312c24c
JB		 860DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
861DEBUGFS_READ_FILE_OPS(current_sleep_command);
712b6cf5 862
20594eb0
WYG		 863static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
864 char __user *user_buf,
865 size_t count, loff_t *ppos)
866{
867 struct iwl_priv *priv = file->private_data;
868 int pos = 0, ofs = 0;
869 int cnt = 0, entry;
870 struct iwl_tx_queue *txq;
871 struct iwl_queue *q;
872 struct iwl_rx_queue *rxq = &priv->rxq;
873 char *buf;
874 int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
88804e2b 875 (priv->cfg->num_of_queues * 32 * 8) + 400;
20594eb0
WYG		 876 const u8 *ptr;
877 ssize_t ret;
878
88804e2b
WYG		 879 if (!priv->txq) {
880 IWL_ERR(priv, "txq not ready\n");
881 return -EAGAIN;
882 }
20594eb0
WYG		 883 buf = kzalloc(bufsz, GFP_KERNEL);
884 if (!buf) {
885 IWL_ERR(priv, "Can not allocate buffer\n");
886 return -ENOMEM;
887 }
888 pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n");
889 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
890 txq = &priv->txq[cnt];
891 q = &txq->q;
892 pos += scnprintf(buf + pos, bufsz - pos,
893 "q[%d]: read_ptr: %u, write_ptr: %u\n",
894 cnt, q->read_ptr, q->write_ptr);
895 }
896 if (priv->tx_traffic && (iwl_debug_level & IWL_DL_TX)) {
897 ptr = priv->tx_traffic;
898 pos += scnprintf(buf + pos, bufsz - pos,
899 "Tx Traffic idx: %u\n", priv->tx_traffic_idx);
900 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
901 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
902 entry++, ofs += 16) {
903 pos += scnprintf(buf + pos, bufsz - pos,
904 "0x%.4x ", ofs);
905 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
906 buf + pos, bufsz - pos, 0);
2fac9717 907 pos += strlen(buf + pos);
20594eb0
WYG		 908 if (bufsz - pos > 0)
909 buf[pos++] = '\n';
910 }
911 }
912 }
913
914 pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n");
915 pos += scnprintf(buf + pos, bufsz - pos,
916 "read: %u, write: %u\n",
917 rxq->read, rxq->write);
918
919 if (priv->rx_traffic && (iwl_debug_level & IWL_DL_RX)) {
920 ptr = priv->rx_traffic;
921 pos += scnprintf(buf + pos, bufsz - pos,
922 "Rx Traffic idx: %u\n", priv->rx_traffic_idx);
923 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
924 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
925 entry++, ofs += 16) {
926 pos += scnprintf(buf + pos, bufsz - pos,
927 "0x%.4x ", ofs);
928 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
929 buf + pos, bufsz - pos, 0);
2fac9717 930 pos += strlen(buf + pos);
20594eb0
WYG		 931 if (bufsz - pos > 0)
932 buf[pos++] = '\n';
933 }
934 }
935 }
936
937 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
938 kfree(buf);
939 return ret;
940}
941
942static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
943 const char __user *user_buf,
944 size_t count, loff_t *ppos)
945{
946 struct iwl_priv *priv = file->private_data;
947 char buf[8];
948 int buf_size;
949 int traffic_log;
950
951 memset(buf, 0, sizeof(buf));
952 buf_size = min(count, sizeof(buf) - 1);
953 if (copy_from_user(buf, user_buf, buf_size))
954 return -EFAULT;
955 if (sscanf(buf, "%d", &traffic_log) != 1)
956 return -EFAULT;
957 if (traffic_log == 0)
958 iwl_reset_traffic_log(priv);
959
960 return count;
961}
962
141b03e0
WYG		 963static ssize_t iwl_dbgfs_tx_queue_read(struct file *file,
964 char __user *user_buf,
965 size_t count, loff_t *ppos) {
966
28f63a4b 967 struct iwl_priv *priv = file->private_data;
141b03e0
WYG		 968 struct iwl_tx_queue *txq;
969 struct iwl_queue *q;
970 char *buf;
971 int pos = 0;
972 int cnt;
973 int ret;
d23db556 974 const size_t bufsz = sizeof(char) * 64 * priv->cfg->num_of_queues;
141b03e0 975
88804e2b
WYG		 976 if (!priv->txq) {
977 IWL_ERR(priv, "txq not ready\n");
978 return -EAGAIN;
979 }
141b03e0
WYG		 980 buf = kzalloc(bufsz, GFP_KERNEL);
981 if (!buf)
982 return -ENOMEM;
983
984 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
985 txq = &priv->txq[cnt];
986 q = &txq->q;
987 pos += scnprintf(buf + pos, bufsz - pos,
988 "hwq %.2d: read=%u write=%u stop=%d"
989 " swq_id=%#.2x (ac %d/hwq %d)\n",
990 cnt, q->read_ptr, q->write_ptr,
991 !!test_bit(cnt, priv->queue_stopped),
992 txq->swq_id,
993 txq->swq_id & 0x80 ? txq->swq_id & 3 :
994 txq->swq_id,
995 txq->swq_id & 0x80 ? (txq->swq_id >> 2) &
996 0x1f : txq->swq_id);
997 if (cnt >= 4)
998 continue;
999 /* for the ACs, display the stop count too */
1000 pos += scnprintf(buf + pos, bufsz - pos,
1001 " stop-count: %d\n",
1002 atomic_read(&priv->queue_stop_count[cnt]));
1003 }
1004 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1005 kfree(buf);
1006 return ret;
1007}
1008
1009static ssize_t iwl_dbgfs_rx_queue_read(struct file *file,
1010 char __user *user_buf,
1011 size_t count, loff_t *ppos) {
1012
28f63a4b 1013 struct iwl_priv *priv = file->private_data;
141b03e0
WYG		 1014 struct iwl_rx_queue *rxq = &priv->rxq;
1015 char buf[256];
1016 int pos = 0;
1017 const size_t bufsz = sizeof(buf);
1018
1019 pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n",
1020 rxq->read);
1021 pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n",
1022 rxq->write);
1023 pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n",
1024 rxq->free_count);
f5cc6a22
DS		 1025 if (rxq->rb_stts) {
1026 pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n",
141b03e0 1027 le16_to_cpu(rxq->rb_stts->closed_rb_num) & 0x0FFF);
f5cc6a22
DS		 1028 } else {
1029 pos += scnprintf(buf + pos, bufsz - pos,
1030 "closed_rb_num: Not Allocated\n");
1031 }
141b03e0
WYG		 1032 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1033}
1034
e8fe59ae
WYG		 1035static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
1036 char __user *user_buf,
1037 size_t count, loff_t *ppos)
1038{
28f63a4b 1039 struct iwl_priv *priv = file->private_data;
17f36fc6
AK		 1040 return priv->cfg->ops->lib->debugfs_ops.rx_stats_read(file,
1041 user_buf, count, ppos);
e8fe59ae
WYG		 1042}
1043
1044static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
1045 char __user *user_buf,
1046 size_t count, loff_t *ppos)
1047{
28f63a4b 1048 struct iwl_priv *priv = file->private_data;
17f36fc6
AK		 1049 return priv->cfg->ops->lib->debugfs_ops.tx_stats_read(file,
1050 user_buf, count, ppos);
e8fe59ae
WYG		 1051}
1052
1053static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1054 char __user *user_buf,
1055 size_t count, loff_t *ppos)
1056{
28f63a4b 1057 struct iwl_priv *priv = file->private_data;
17f36fc6
AK		 1058 return priv->cfg->ops->lib->debugfs_ops.general_stats_read(file,
1059 user_buf, count, ppos);
e8fe59ae
WYG		 1060}
1061
5225935b
WYG		 1062static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
1063 char __user *user_buf,
1064 size_t count, loff_t *ppos) {
1065
28f63a4b 1066 struct iwl_priv *priv = file->private_data;
5225935b
WYG		 1067 int pos = 0;
1068 int cnt = 0;
1069 char *buf;
1070 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
1071 ssize_t ret;
1072 struct iwl_sensitivity_data *data;
1073
1074 data = &priv->sensitivity_data;
1075 buf = kzalloc(bufsz, GFP_KERNEL);
1076 if (!buf) {
1077 IWL_ERR(priv, "Can not allocate Buffer\n");
1078 return -ENOMEM;
1079 }
1080
1081 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
1082 data->auto_corr_ofdm);
1083 pos += scnprintf(buf + pos, bufsz - pos,
1084 "auto_corr_ofdm_mrc:\t\t %u\n",
1085 data->auto_corr_ofdm_mrc);
1086 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
1087 data->auto_corr_ofdm_x1);
1088 pos += scnprintf(buf + pos, bufsz - pos,
1089 "auto_corr_ofdm_mrc_x1:\t\t %u\n",
1090 data->auto_corr_ofdm_mrc_x1);
1091 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
1092 data->auto_corr_cck);
1093 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
1094 data->auto_corr_cck_mrc);
1095 pos += scnprintf(buf + pos, bufsz - pos,
1096 "last_bad_plcp_cnt_ofdm:\t\t %u\n",
1097 data->last_bad_plcp_cnt_ofdm);
1098 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
1099 data->last_fa_cnt_ofdm);
1100 pos += scnprintf(buf + pos, bufsz - pos,
1101 "last_bad_plcp_cnt_cck:\t\t %u\n",
1102 data->last_bad_plcp_cnt_cck);
1103 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
1104 data->last_fa_cnt_cck);
1105 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
1106 data->nrg_curr_state);
1107 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
1108 data->nrg_prev_state);
1109 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
1110 for (cnt = 0; cnt < 10; cnt++) {
1111 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1112 data->nrg_value[cnt]);
1113 }
1114 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1115 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
1116 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
1117 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1118 data->nrg_silence_rssi[cnt]);
1119 }
1120 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1121 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
1122 data->nrg_silence_ref);
1123 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
1124 data->nrg_energy_idx);
1125 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
1126 data->nrg_silence_idx);
1127 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
1128 data->nrg_th_cck);
1129 pos += scnprintf(buf + pos, bufsz - pos,
1130 "nrg_auto_corr_silence_diff:\t %u\n",
1131 data->nrg_auto_corr_silence_diff);
1132 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
1133 data->num_in_cck_no_fa);
1134 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
1135 data->nrg_th_ofdm);
1136
1137 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1138 kfree(buf);
1139 return ret;
1140}
1141
1142
1143static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
1144 char __user *user_buf,
1145 size_t count, loff_t *ppos) {
1146
28f63a4b 1147 struct iwl_priv *priv = file->private_data;
5225935b
WYG		 1148 int pos = 0;
1149 int cnt = 0;
1150 char *buf;
1151 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
1152 ssize_t ret;
1153 struct iwl_chain_noise_data *data;
1154
1155 data = &priv->chain_noise_data;
1156 buf = kzalloc(bufsz, GFP_KERNEL);
1157 if (!buf) {
1158 IWL_ERR(priv, "Can not allocate Buffer\n");
1159 return -ENOMEM;
1160 }
1161
1162 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
1163 data->active_chains);
1164 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
1165 data->chain_noise_a);
1166 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
1167 data->chain_noise_b);
1168 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
1169 data->chain_noise_c);
1170 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
1171 data->chain_signal_a);
1172 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
1173 data->chain_signal_b);
1174 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
1175 data->chain_signal_c);
1176 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
1177 data->beacon_count);
1178
1179 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
1180 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1181 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1182 data->disconn_array[cnt]);
1183 }
1184 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1185 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
1186 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1187 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1188 data->delta_gain_code[cnt]);
1189 }
1190 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1191 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
1192 data->radio_write);
1193 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
1194 data->state);
1195
1196 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1197 kfree(buf);
1198 return ret;
1199}
1200
c09430ab
WYG		 1201static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
1202 char __user *user_buf,
1203 size_t count, loff_t *ppos)
1204{
28f63a4b 1205 struct iwl_priv *priv = file->private_data;
c09430ab
WYG		 1206 char buf[60];
1207 int pos = 0;
1208 const size_t bufsz = sizeof(buf);
1209 u32 pwrsave_status;
1210
1211 pwrsave_status = iwl_read32(priv, CSR_GP_CNTRL) &
1212 CSR_GP_REG_POWER_SAVE_STATUS_MSK;
1213
1214 pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: ");
1215 pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
1216 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" :
1217 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" :
1218 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" :
1219 "error");
1220
1221 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1222}
1223
7163b8a4 1224static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
ef8d5529
WYG		 1225 const char __user *user_buf,
1226 size_t count, loff_t *ppos)
1227{
1228 struct iwl_priv *priv = file->private_data;
1229 char buf[8];
1230 int buf_size;
1231 int clear;
1232
1233 memset(buf, 0, sizeof(buf));
1234 buf_size = min(count, sizeof(buf) - 1);
1235 if (copy_from_user(buf, user_buf, buf_size))
1236 return -EFAULT;
1237 if (sscanf(buf, "%d", &clear) != 1)
1238 return -EFAULT;
1239
1240 /* make request to uCode to retrieve statistics information */
1241 mutex_lock(&priv->mutex);
1242 iwl_send_statistics_request(priv, CMD_SYNC, true);
1243 mutex_unlock(&priv->mutex);
1244
1245 return count;
1246}
1247
696bdee3
WYG		 1248static ssize_t iwl_dbgfs_csr_write(struct file *file,
1249 const char __user *user_buf,
1250 size_t count, loff_t *ppos)
1251{
1252 struct iwl_priv *priv = file->private_data;
1253 char buf[8];
1254 int buf_size;
1255 int csr;
1256
1257 memset(buf, 0, sizeof(buf));
1258 buf_size = min(count, sizeof(buf) - 1);
1259 if (copy_from_user(buf, user_buf, buf_size))
1260 return -EFAULT;
1261 if (sscanf(buf, "%d", &csr) != 1)
1262 return -EFAULT;
1263
1264 if (priv->cfg->ops->lib->dump_csr)
1265 priv->cfg->ops->lib->dump_csr(priv);
1266
1267 return count;
1268}
1269
a9e1cb6a
WYG		 1270static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file,
1271 char __user *user_buf,
1272 size_t count, loff_t *ppos) {
1273
57674308 1274 struct iwl_priv *priv = file->private_data;
a9e1cb6a
WYG		 1275 int pos = 0;
1276 char buf[128];
1277 const size_t bufsz = sizeof(buf);
a9e1cb6a
WYG		 1278
1279 pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n",
1280 priv->event_log.ucode_trace ? "On" : "Off");
1281 pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n",
1282 priv->event_log.non_wraps_count);
1283 pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n",
1284 priv->event_log.wraps_once_count);
1285 pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n",
1286 priv->event_log.wraps_more_count);
1287
4967c316 1288 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
a9e1cb6a
WYG		 1289}
1290
1291static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file,
1292 const char __user *user_buf,
1293 size_t count, loff_t *ppos)
1294{
1295 struct iwl_priv *priv = file->private_data;
1296 char buf[8];
1297 int buf_size;
1298 int trace;
1299
1300 memset(buf, 0, sizeof(buf));
1301 buf_size = min(count, sizeof(buf) - 1);
1302 if (copy_from_user(buf, user_buf, buf_size))
1303 return -EFAULT;
1304 if (sscanf(buf, "%d", &trace) != 1)
1305 return -EFAULT;
1306
1307 if (trace) {
1308 priv->event_log.ucode_trace = true;
1309 /* schedule the ucode timer to occur in UCODE_TRACE_PERIOD */
1310 mod_timer(&priv->ucode_trace,
1311 jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD));
1312 } else {
1313 priv->event_log.ucode_trace = false;
1314 del_timer_sync(&priv->ucode_trace);
1315 }
1316
1317 return count;
1318}
1319
60987206
JB		 1320static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file,
1321 char __user *user_buf,
1322 size_t count, loff_t *ppos) {
1323
57674308 1324 struct iwl_priv *priv = file->private_data;
60987206
JB		 1325 int len = 0;
1326 char buf[20];
1327
246ed355
JB		 1328 len = sprintf(buf, "0x%04X\n",
1329 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags));
60987206
JB		 1330 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1331}
1332
1333static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file,
1334 char __user *user_buf,
1335 size_t count, loff_t *ppos) {
1336
57674308 1337 struct iwl_priv *priv = file->private_data;
60987206
JB		 1338 int len = 0;
1339 char buf[20];
1340
1341 len = sprintf(buf, "0x%04X\n",
246ed355 1342 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags));
60987206
JB		 1343 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1344}
1345
1b3eb823
WYG		 1346static ssize_t iwl_dbgfs_fh_reg_read(struct file *file,
1347 char __user *user_buf,
1348 size_t count, loff_t *ppos)
1349{
57674308 1350 struct iwl_priv *priv = file->private_data;
1b3eb823
WYG		 1351 char *buf;
1352 int pos = 0;
1353 ssize_t ret = -EFAULT;
1354
1355 if (priv->cfg->ops->lib->dump_fh) {
1356 ret = pos = priv->cfg->ops->lib->dump_fh(priv, &buf, true);
1357 if (buf) {
1358 ret = simple_read_from_buffer(user_buf,
1359 count, ppos, buf, pos);
1360 kfree(buf);
1361 }
1362 }
1363
1364 return ret;
1365}
1366
a13d276f
WYG		 1367static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file,
1368 char __user *user_buf,
1369 size_t count, loff_t *ppos) {
1370
1371 struct iwl_priv *priv = file->private_data;
1372 int pos = 0;
1373 char buf[12];
1374 const size_t bufsz = sizeof(buf);
a13d276f
WYG		 1375
1376 pos += scnprintf(buf + pos, bufsz - pos, "%d\n",
1377 priv->missed_beacon_threshold);
1378
4967c316 1379 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
a13d276f
WYG		 1380}
1381
1382static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file,
1383 const char __user *user_buf,
1384 size_t count, loff_t *ppos)
1385{
1386 struct iwl_priv *priv = file->private_data;
1387 char buf[8];
1388 int buf_size;
1389 int missed;
1390
1391 memset(buf, 0, sizeof(buf));
1392 buf_size = min(count, sizeof(buf) - 1);
1393 if (copy_from_user(buf, user_buf, buf_size))
1394 return -EFAULT;
1395 if (sscanf(buf, "%d", &missed) != 1)
1396 return -EINVAL;
1397
1398 if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN ||
1399 missed > IWL_MISSED_BEACON_THRESHOLD_MAX)
1400 priv->missed_beacon_threshold =
1401 IWL_MISSED_BEACON_THRESHOLD_DEF;
1402 else
1403 priv->missed_beacon_threshold = missed;
1404
1405 return count;
1406}
1407
3e4fb5fa
TAN		 1408static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file,
1409 char __user *user_buf,
1410 size_t count, loff_t *ppos) {
1411
57674308 1412 struct iwl_priv *priv = file->private_data;
3e4fb5fa
TAN		 1413 int pos = 0;
1414 char buf[12];
1415 const size_t bufsz = sizeof(buf);
3e4fb5fa
TAN		 1416
1417 pos += scnprintf(buf + pos, bufsz - pos, "%u\n",
1418 priv->cfg->plcp_delta_threshold);
1419
4967c316 1420 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
3e4fb5fa
TAN		 1421}
1422
1423static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file,
1424 const char __user *user_buf,
1425 size_t count, loff_t *ppos) {
1426
1427 struct iwl_priv *priv = file->private_data;
1428 char buf[8];
1429 int buf_size;
1430 int plcp;
1431
1432 memset(buf, 0, sizeof(buf));
1433 buf_size = min(count, sizeof(buf) - 1);
1434 if (copy_from_user(buf, user_buf, buf_size))
1435 return -EFAULT;
1436 if (sscanf(buf, "%d", &plcp) != 1)
1437 return -EINVAL;
680788ac 1438 if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) ||
3e4fb5fa
TAN		 1439 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX))
1440 priv->cfg->plcp_delta_threshold =
680788ac 1441 IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE;
3e4fb5fa
TAN		 1442 else
1443 priv->cfg->plcp_delta_threshold = plcp;
1444 return count;
1445}
1446
528c3126
WYG		 1447static ssize_t iwl_dbgfs_force_reset_read(struct file *file,
1448 char __user *user_buf,
1449 size_t count, loff_t *ppos) {
1450
1451 struct iwl_priv *priv = file->private_data;
1452 int i, pos = 0;
1453 char buf[300];
1454 const size_t bufsz = sizeof(buf);
1455 struct iwl_force_reset *force_reset;
1456
1457 for (i = 0; i < IWL_MAX_FORCE_RESET; i++) {
1458 force_reset = &priv->force_reset[i];
1459 pos += scnprintf(buf + pos, bufsz - pos,
1460 "Force reset method %d\n", i);
1461 pos += scnprintf(buf + pos, bufsz - pos,
1462 "\tnumber of reset request: %d\n",
1463 force_reset->reset_request_count);
1464 pos += scnprintf(buf + pos, bufsz - pos,
1465 "\tnumber of reset request success: %d\n",
1466 force_reset->reset_success_count);
1467 pos += scnprintf(buf + pos, bufsz - pos,
1468 "\tnumber of reset request reject: %d\n",
1469 force_reset->reset_reject_count);
1470 pos += scnprintf(buf + pos, bufsz - pos,
1471 "\treset duration: %lu\n",
1472 force_reset->reset_duration);
1473 }
1474 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1475}
1476
04cafd7f
WYG		 1477static ssize_t iwl_dbgfs_force_reset_write(struct file *file,
1478 const char __user *user_buf,
1479 size_t count, loff_t *ppos) {
1480
1481 struct iwl_priv *priv = file->private_data;
1482 char buf[8];
1483 int buf_size;
1484 int reset, ret;
1485
1486 memset(buf, 0, sizeof(buf));
1487 buf_size = min(count, sizeof(buf) - 1);
1488 if (copy_from_user(buf, user_buf, buf_size))
1489 return -EFAULT;
1490 if (sscanf(buf, "%d", &reset) != 1)
1491 return -EINVAL;
1492 switch (reset) {
1493 case IWL_RF_RESET:
1494 case IWL_FW_RESET:
c04f9f22 1495 ret = iwl_force_reset(priv, reset, true);
04cafd7f
WYG		 1496 break;
1497 default:
1498 return -EINVAL;
1499 }
1500 return ret ? ret : count;
1501}
1502
4bf49a90
WYG		 1503static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file,
1504 const char __user *user_buf,
1505 size_t count, loff_t *ppos) {
1506
1507 struct iwl_priv *priv = file->private_data;
1508 char buf[8];
1509 int buf_size;
1510 int flush;
1511
1512 memset(buf, 0, sizeof(buf));
1513 buf_size = min(count, sizeof(buf) - 1);
1514 if (copy_from_user(buf, user_buf, buf_size))
1515 return -EFAULT;
1516 if (sscanf(buf, "%d", &flush) != 1)
1517 return -EINVAL;
1518
1519 if (iwl_is_rfkill(priv))
1520 return -EFAULT;
1521
1522 priv->cfg->ops->lib->dev_txfifo_flush(priv, IWL_DROP_ALL);
1523
1524 return count;
1525}
1526
ffb7d896
WYG		 1527static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file,
1528 char __user *user_buf,
1529 size_t count, loff_t *ppos)
1530{
1531 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1532
1533 return priv->cfg->ops->lib->debugfs_ops.bt_stats_read(file,
1534 user_buf, count, ppos);
1535}
1536
7bdc473c
WYG		 1537static ssize_t iwl_dbgfs_monitor_period_write(struct file *file,
1538 const char __user *user_buf,
1539 size_t count, loff_t *ppos) {
1540
1541 struct iwl_priv *priv = file->private_data;
1542 char buf[8];
1543 int buf_size;
1544 int period;
1545
1546 memset(buf, 0, sizeof(buf));
1547 buf_size = min(count, sizeof(buf) - 1);
1548 if (copy_from_user(buf, user_buf, buf_size))
1549 return -EFAULT;
1550 if (sscanf(buf, "%d", &period) != 1)
1551 return -EINVAL;
1552 if (period < 0 || period > IWL_MAX_MONITORING_PERIOD)
1553 priv->cfg->monitor_recover_period = IWL_DEF_MONITORING_PERIOD;
1554 else
1555 priv->cfg->monitor_recover_period = period;
1556
1557 if (priv->cfg->monitor_recover_period)
1558 mod_timer(&priv->monitor_recover, jiffies + msecs_to_jiffies(
1559 priv->cfg->monitor_recover_period));
1560 else
1561 del_timer_sync(&priv->monitor_recover);
1562 return count;
1563}
1564
befe8c46
WYG		 1565static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file,
1566 char __user *user_buf,
1567 size_t count, loff_t *ppos) {
1568
1569 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1570 int pos = 0;
1571 char buf[200];
1572 const size_t bufsz = sizeof(buf);
1573 ssize_t ret;
1574
1575 pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n",
1576 priv->bt_full_concurrent ? "full concurrency" : "3-wire");
1577 pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, "
1578 "last traffic notif: %d\n",
1579 priv->bt_status ? "On" : "Off", priv->notif_bt_traffic_load);
1580 pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, "
1581 "sco_active: %d, kill_ack_mask: %x, "
1582 "kill_cts_mask: %x\n",
1583 priv->bt_ch_announce, priv->bt_sco_active,
1584 priv->kill_ack_mask, priv->kill_cts_mask);
1585
1586 pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: ");
1587 switch (priv->bt_traffic_load) {
1588 case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
1589 pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n");
1590 break;
1591 case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
1592 pos += scnprintf(buf + pos, bufsz - pos, "High\n");
1593 break;
1594 case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
1595 pos += scnprintf(buf + pos, bufsz - pos, "Low\n");
1596 break;
1597 case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
1598 default:
1599 pos += scnprintf(buf + pos, bufsz - pos, "None\n");
1600 break;
1601 }
1602
1603 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1604 return ret;
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
1617 pos += scnprintf(buf + pos, bufsz - pos, "use %s for aggregation\n",
1618 (priv->cfg->use_rts_for_aggregation) ? "rts/cts" :
1619 "cts-to-self");
1620 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1621}
1622
1623static ssize_t iwl_dbgfs_protection_mode_write(struct file *file,
1624 const char __user *user_buf,
1625 size_t count, loff_t *ppos) {
1626
1627 struct iwl_priv *priv = file->private_data;
1628 char buf[8];
1629 int buf_size;
1630 int rts;
1631
1632 memset(buf, 0, sizeof(buf));
1633 buf_size = min(count, sizeof(buf) - 1);
1634 if (copy_from_user(buf, user_buf, buf_size))
1635 return -EFAULT;
1636 if (sscanf(buf, "%d", &rts) != 1)
1637 return -EINVAL;
1638 if (rts)
1639 priv->cfg->use_rts_for_aggregation = true;
1640 else
1641 priv->cfg->use_rts_for_aggregation = false;
1642 return count;
1643}
1644
54a9aa65
WYG		 1645static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file,
1646 char __user *user_buf,
1647 size_t count, loff_t *ppos)
1648{
1649 struct iwl_priv *priv = file->private_data;
1650
1651 if (priv->cfg->ops->lib->debugfs_ops.reply_tx_error)
1652 return priv->cfg->ops->lib->debugfs_ops.reply_tx_error(
1653 file, user_buf, count, ppos);
1654 else
1655 return -ENODATA;
1656}
7163b8a4
WYG		 1657DEBUGFS_READ_FILE_OPS(rx_statistics);
1658DEBUGFS_READ_FILE_OPS(tx_statistics);
20594eb0 1659DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
141b03e0
WYG		 1660DEBUGFS_READ_FILE_OPS(rx_queue);
1661DEBUGFS_READ_FILE_OPS(tx_queue);
e8fe59ae
WYG		 1662DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
1663DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
1664DEBUGFS_READ_FILE_OPS(ucode_general_stats);
5225935b
WYG		 1665DEBUGFS_READ_FILE_OPS(sensitivity);
1666DEBUGFS_READ_FILE_OPS(chain_noise);
c09430ab 1667DEBUGFS_READ_FILE_OPS(power_save_status);
7163b8a4
WYG		 1668DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
1669DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics);
696bdee3 1670DEBUGFS_WRITE_FILE_OPS(csr);
a9e1cb6a 1671DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing);
1b3eb823 1672DEBUGFS_READ_FILE_OPS(fh_reg);
a13d276f 1673DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon);
3e4fb5fa 1674DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta);
528c3126 1675DEBUGFS_READ_WRITE_FILE_OPS(force_reset);
60987206
JB		 1676DEBUGFS_READ_FILE_OPS(rxon_flags);
1677DEBUGFS_READ_FILE_OPS(rxon_filter_flags);
4bf49a90 1678DEBUGFS_WRITE_FILE_OPS(txfifo_flush);
ffb7d896 1679DEBUGFS_READ_FILE_OPS(ucode_bt_stats);
7bdc473c 1680DEBUGFS_WRITE_FILE_OPS(monitor_period);
befe8c46 1681DEBUGFS_READ_FILE_OPS(bt_traffic);
c6abdc0d 1682DEBUGFS_READ_WRITE_FILE_OPS(protection_mode);
54a9aa65 1683DEBUGFS_READ_FILE_OPS(reply_tx_error);
20594eb0 1684
712b6cf5
TW		 1685/*
1686 * Create the debugfs files and directories
1687 *
1688 */
1689int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
1690{
95b1a822 1691 struct dentry *phyd = priv->hw->wiphy->debugfsdir;
4c84a8f1 1692 struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug;
712b6cf5 1693
4c84a8f1
JB		 1694 dir_drv = debugfs_create_dir(name, phyd);
1695 if (!dir_drv)
1696 return -ENOMEM;
712b6cf5 1697
4c84a8f1
JB		 1698 priv->debugfs_dir = dir_drv;
1699
1700 dir_data = debugfs_create_dir("data", dir_drv);
1701 if (!dir_data)
1702 goto err;
1703 dir_rf = debugfs_create_dir("rf", dir_drv);
1704 if (!dir_rf)
1705 goto err;
1706 dir_debug = debugfs_create_dir("debug", dir_drv);
1707 if (!dir_debug)
712b6cf5 1708 goto err;
712b6cf5 1709
4c84a8f1
JB		 1710 DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR);
1711 DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR);
1712 DEBUGFS_ADD_FILE(log_event, dir_data, S_IWUSR | S_IRUSR);
1713 DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR);
1714 DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR);
1715 DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR);
1716 DEBUGFS_ADD_FILE(interrupt, dir_data, S_IWUSR | S_IRUSR);
1717 DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR);
1718 DEBUGFS_ADD_FILE(led, dir_data, S_IRUSR);
381733cc
WYG		 1719 if (!priv->cfg->broken_powersave) {
1720 DEBUGFS_ADD_FILE(sleep_level_override, dir_data,
1721 S_IWUSR | S_IRUSR);
1722 DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR);
1723 }
4c84a8f1
JB		 1724 DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR);
1725 DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR);
1726 DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR);
1727 DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR);
1728 DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR);
1729 DEBUGFS_ADD_FILE(rx_queue, dir_debug, S_IRUSR);
1730 DEBUGFS_ADD_FILE(tx_queue, dir_debug, S_IRUSR);
4c84a8f1
JB		 1731 DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR);
1732 DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR);
1733 DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR);
1734 DEBUGFS_ADD_FILE(csr, dir_debug, S_IWUSR);
1735 DEBUGFS_ADD_FILE(fh_reg, dir_debug, S_IRUSR);
1736 DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR);
4c84a8f1 1737 DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR);
528c3126 1738 DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR);
b8c76267
AK		 1739 DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR);
1740 DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR);
1741 DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR);
4bf49a90
WYG		 1742 if (priv->cfg->ops->lib->dev_txfifo_flush)
1743 DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, S_IWUSR);
c6abdc0d 1744 DEBUGFS_ADD_FILE(protection_mode, dir_debug, S_IWUSR | S_IRUSR);
b8c76267 1745
65d1f896 1746 if (priv->cfg->sensitivity_calib_by_driver)
4c84a8f1 1747 DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR);
65d1f896 1748 if (priv->cfg->chain_noise_calib_by_driver)
4c84a8f1 1749 DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR);
6e5c800e 1750 if (priv->cfg->ucode_tracing)
4c84a8f1 1751 DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR);
ffb7d896
WYG		 1752 if (priv->cfg->bt_statistics)
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);
7bdc473c 1757 DEBUGFS_ADD_FILE(monitor_period, dir_debug, S_IWUSR);
befe8c46
WYG		 1758 if (priv->cfg->advanced_bt_coexist)
1759 DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);
65d1f896
WYG		 1760 if (priv->cfg->sensitivity_calib_by_driver)
1761 DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf,
1762 &priv->disable_sens_cal);
1763 if (priv->cfg->chain_noise_calib_by_driver)
1764 DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf,
1765 &priv->disable_chain_noise_cal);
4e7033ef 1766 if (priv->cfg->tx_power_by_driver)
4c84a8f1 1767 DEBUGFS_ADD_BOOL(disable_tx_power, dir_rf,
030b8655 1768 &priv->disable_tx_power_cal);
712b6cf5
TW		 1769 return 0;
1770
1771err:
4c84a8f1 1772 IWL_ERR(priv, "Can't create the debugfs directory\n");
712b6cf5 1773 iwl_dbgfs_unregister(priv);
4c84a8f1 1774 return -ENOMEM;
712b6cf5
TW		 1775}
1776EXPORT_SYMBOL(iwl_dbgfs_register);
1777
1778/**
1779 * Remove the debugfs files and directories
1780 *
1781 */
1782void iwl_dbgfs_unregister(struct iwl_priv *priv)
1783{
4c84a8f1 1784 if (!priv->debugfs_dir)
712b6cf5
TW		 1785 return;
1786
4c84a8f1
JB		 1787 debugfs_remove_recursive(priv->debugfs_dir);
1788 priv->debugfs_dir = NULL;
712b6cf5
TW		 1789}
1790EXPORT_SYMBOL(iwl_dbgfs_unregister);
1791
1792
445c2dff 1793
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