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iwlagn: do not send key clear commands when rfkill enabled
[deliverable/linux.git] / drivers / net / wireless / iwlwifi / iwl-debugfs.c
CommitLineData
712b6cf5
TW		 1/******************************************************************************
2 *
3 * GPL LICENSE SUMMARY
4 *
01f8162a 5 * Copyright(c) 2008 - 2009 Intel Corporation. All rights reserved.
712b6cf5
TW		 6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of version 2 of the GNU General Public License as
9 * published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
19 * USA
20 *
21 * The full GNU General Public License is included in this distribution
22 * in the file called LICENSE.GPL.
23 *
24 * Contact Information:
759ef89f 25 * Intel Linux Wireless <ilw@linux.intel.com>
712b6cf5
TW		 26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
27 *****************************************************************************/
28
29#include <linux/kernel.h>
30#include <linux/module.h>
31#include <linux/debugfs.h>
32
33#include <linux/ieee80211.h>
34#include <net/mac80211.h>
35
36
3e0d4cb1 37#include "iwl-dev.h"
712b6cf5 38#include "iwl-debug.h"
fee1247a 39#include "iwl-core.h"
3395f6e9 40#include "iwl-io.h"
712b6cf5
TW		 41
42
43/* create and remove of files */
44#define DEBUGFS_ADD_DIR(name, parent) do { \
45 dbgfs->dir_##name = debugfs_create_dir(#name, parent); \
46 if (!(dbgfs->dir_##name)) \
47 goto err; \
48} while (0)
49
50#define DEBUGFS_ADD_FILE(name, parent) do { \
51 dbgfs->dbgfs_##parent##_files.file_##name = \
fcf89d05
RC		 52 debugfs_create_file(#name, S_IWUSR | S_IRUSR, \
53 dbgfs->dir_##parent, priv, \
712b6cf5
TW		 54 &iwl_dbgfs_##name##_ops); \
55 if (!(dbgfs->dbgfs_##parent##_files.file_##name)) \
56 goto err; \
57} while (0)
58
445c2dff
TW		 59#define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \
60 dbgfs->dbgfs_##parent##_files.file_##name = \
fcf89d05
RC		 61 debugfs_create_bool(#name, S_IWUSR | S_IRUSR, \
62 dbgfs->dir_##parent, ptr); \
9b24001d
Z		 63 if (IS_ERR(dbgfs->dbgfs_##parent##_files.file_##name) \
64 || !dbgfs->dbgfs_##parent##_files.file_##name) \
445c2dff
TW		 65 goto err; \
66} while (0)
67
2ddfa129
WT		 68#define DEBUGFS_ADD_X32(name, parent, ptr) do { \
69 dbgfs->dbgfs_##parent##_files.file_##name = \
fcf89d05 70 debugfs_create_x32(#name, S_IRUSR, dbgfs->dir_##parent, ptr); \
2ddfa129
WT		 71 if (IS_ERR(dbgfs->dbgfs_##parent##_files.file_##name) \
72 || !dbgfs->dbgfs_##parent##_files.file_##name) \
73 goto err; \
74} while (0)
75
712b6cf5
TW		 76#define DEBUGFS_REMOVE(name) do { \
77 debugfs_remove(name); \
78 name = NULL; \
79} while (0);
80
81/* file operation */
82#define DEBUGFS_READ_FUNC(name) \
83static ssize_t iwl_dbgfs_##name##_read(struct file *file, \
84 char __user *user_buf, \
85 size_t count, loff_t *ppos);
86
87#define DEBUGFS_WRITE_FUNC(name) \
88static ssize_t iwl_dbgfs_##name##_write(struct file *file, \
89 const char __user *user_buf, \
90 size_t count, loff_t *ppos);
91
92
93static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file)
94{
95 file->private_data = inode->i_private;
96 return 0;
97}
98
99#define DEBUGFS_READ_FILE_OPS(name) \
100 DEBUGFS_READ_FUNC(name); \
101static const struct file_operations iwl_dbgfs_##name##_ops = { \
102 .read = iwl_dbgfs_##name##_read, \
103 .open = iwl_dbgfs_open_file_generic, \
104};
105
189a2b59
EK		 106#define DEBUGFS_WRITE_FILE_OPS(name) \
107 DEBUGFS_WRITE_FUNC(name); \
108static const struct file_operations iwl_dbgfs_##name##_ops = { \
109 .write = iwl_dbgfs_##name##_write, \
110 .open = iwl_dbgfs_open_file_generic, \
111};
112
113
712b6cf5
TW		 114#define DEBUGFS_READ_WRITE_FILE_OPS(name) \
115 DEBUGFS_READ_FUNC(name); \
116 DEBUGFS_WRITE_FUNC(name); \
117static const struct file_operations iwl_dbgfs_##name##_ops = { \
118 .write = iwl_dbgfs_##name##_write, \
119 .read = iwl_dbgfs_##name##_read, \
120 .open = iwl_dbgfs_open_file_generic, \
121};
122
123
124static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file,
125 char __user *user_buf,
126 size_t count, loff_t *ppos) {
127
128 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
129 char buf[256];
130 int pos = 0;
db0589f3 131 const size_t bufsz = sizeof(buf);
712b6cf5 132
db0589f3
AK		 133 pos += scnprintf(buf + pos, bufsz - pos, "mgmt: %u\n",
134 priv->tx_stats[0].cnt);
135 pos += scnprintf(buf + pos, bufsz - pos, "ctrl: %u\n",
136 priv->tx_stats[1].cnt);
137 pos += scnprintf(buf + pos, bufsz - pos, "data: %u\n",
138 priv->tx_stats[2].cnt);
712b6cf5
TW		 139
140 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
141}
142
143static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file,
144 char __user *user_buf,
145 size_t count, loff_t *ppos) {
146
147 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
148 char buf[256];
149 int pos = 0;
db0589f3 150 const size_t bufsz = sizeof(buf);
712b6cf5 151
db0589f3
AK		 152 pos += scnprintf(buf + pos, bufsz - pos, "mgmt: %u\n",
153 priv->rx_stats[0].cnt);
154 pos += scnprintf(buf + pos, bufsz - pos, "ctrl: %u\n",
155 priv->rx_stats[1].cnt);
156 pos += scnprintf(buf + pos, bufsz - pos, "data: %u\n",
157 priv->rx_stats[2].cnt);
712b6cf5
TW		 158
159 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
160}
161
162#define BYTE1_MASK 0x000000ff;
163#define BYTE2_MASK 0x0000ffff;
164#define BYTE3_MASK 0x00ffffff;
165static ssize_t iwl_dbgfs_sram_read(struct file *file,
166 char __user *user_buf,
167 size_t count, loff_t *ppos)
168{
169 u32 val;
170 char buf[1024];
171 ssize_t ret;
172 int i;
173 int pos = 0;
174 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
db0589f3 175 const size_t bufsz = sizeof(buf);
712b6cf5 176
712b6cf5 177 for (i = priv->dbgfs->sram_len; i > 0; i -= 4) {
3395f6e9 178 val = iwl_read_targ_mem(priv, priv->dbgfs->sram_offset + \
712b6cf5
TW		 179 priv->dbgfs->sram_len - i);
180 if (i < 4) {
181 switch (i) {
182 case 1:
183 val &= BYTE1_MASK;
184 break;
185 case 2:
186 val &= BYTE2_MASK;
187 break;
188 case 3:
189 val &= BYTE3_MASK;
190 break;
191 }
192 }
db0589f3 193 pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val);
712b6cf5 194 }
db0589f3 195 pos += scnprintf(buf + pos, bufsz - pos, "\n");
712b6cf5
TW		 196
197 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
198 return ret;
199}
200
201static ssize_t iwl_dbgfs_sram_write(struct file *file,
202 const char __user *user_buf,
203 size_t count, loff_t *ppos)
204{
205 struct iwl_priv *priv = file->private_data;
206 char buf[64];
207 int buf_size;
208 u32 offset, len;
209
210 memset(buf, 0, sizeof(buf));
211 buf_size = min(count, sizeof(buf) - 1);
212 if (copy_from_user(buf, user_buf, buf_size))
213 return -EFAULT;
214
215 if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
216 priv->dbgfs->sram_offset = offset;
217 priv->dbgfs->sram_len = len;
218 } else {
219 priv->dbgfs->sram_offset = 0;
220 priv->dbgfs->sram_len = 0;
221 }
222
223 return count;
224}
225
226static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
227 size_t count, loff_t *ppos)
228{
229 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
6def9761 230 struct iwl_station_entry *station;
5425e490 231 int max_sta = priv->hw_params.max_stations;
712b6cf5
TW		 232 char *buf;
233 int i, j, pos = 0;
234 ssize_t ret;
235 /* Add 30 for initial string */
236 const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
712b6cf5
TW		 237
238 buf = kmalloc(bufsz, GFP_KERNEL);
3ac7f146 239 if (!buf)
712b6cf5
TW		 240 return -ENOMEM;
241
db0589f3 242 pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
712b6cf5
TW		 243 priv->num_stations);
244
245 for (i = 0; i < max_sta; i++) {
246 station = &priv->stations[i];
247 if (station->used) {
db0589f3
AK		 248 pos += scnprintf(buf + pos, bufsz - pos,
249 "station %d:\ngeneral data:\n", i+1);
db0589f3 250 pos += scnprintf(buf + pos, bufsz - pos, "id: %u\n",
712b6cf5 251 station->sta.sta.sta_id);
db0589f3 252 pos += scnprintf(buf + pos, bufsz - pos, "mode: %u\n",
712b6cf5 253 station->sta.mode);
db0589f3
AK		 254 pos += scnprintf(buf + pos, bufsz - pos,
255 "flags: 0x%x\n",
712b6cf5 256 station->sta.station_flags_msk);
db0589f3
AK		 257 pos += scnprintf(buf + pos, bufsz - pos,
258 "ps_status: %u\n", station->ps_status);
259 pos += scnprintf(buf + pos, bufsz - pos, "tid data:\n");
260 pos += scnprintf(buf + pos, bufsz - pos,
344234de 261 "seq_num\t\ttxq_id");
db0589f3 262 pos += scnprintf(buf + pos, bufsz - pos,
344234de 263 "\tframe_count\twait_for_ba\t");
db0589f3
AK		 264 pos += scnprintf(buf + pos, bufsz - pos,
265 "start_idx\tbitmap0\t");
266 pos += scnprintf(buf + pos, bufsz - pos,
344234de 267 "bitmap1\trate_n_flags");
344234de 268 pos += scnprintf(buf + pos, bufsz - pos, "\n");
712b6cf5
TW		 269
270 for (j = 0; j < MAX_TID_COUNT; j++) {
db0589f3 271 pos += scnprintf(buf + pos, bufsz - pos,
344234de 272 "[%d]:\t\t%u", j,
db0589f3
AK		 273 station->tid[j].seq_number);
274 pos += scnprintf(buf + pos, bufsz - pos,
344234de 275 "\t%u\t\t%u\t\t%u\t\t",
712b6cf5
TW		 276 station->tid[j].agg.txq_id,
277 station->tid[j].agg.frame_count,
278 station->tid[j].agg.wait_for_ba);
db0589f3 279 pos += scnprintf(buf + pos, bufsz - pos,
344234de 280 "%u\t%llu\t%u",
712b6cf5 281 station->tid[j].agg.start_idx,
16788599 282 (unsigned long long)station->tid[j].agg.bitmap,
712b6cf5 283 station->tid[j].agg.rate_n_flags);
344234de 284 pos += scnprintf(buf + pos, bufsz - pos, "\n");
712b6cf5 285 }
db0589f3 286 pos += scnprintf(buf + pos, bufsz - pos, "\n");
712b6cf5
TW		 287 }
288 }
289
290 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
291 kfree(buf);
292 return ret;
293}
294
0848e297 295static ssize_t iwl_dbgfs_nvm_read(struct file *file,
8dd266ef
TW		 296 char __user *user_buf,
297 size_t count,
298 loff_t *ppos)
299{
300 ssize_t ret;
301 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
302 int pos = 0, ofs = 0, buf_size = 0;
303 const u8 *ptr;
304 char *buf;
305 size_t eeprom_len = priv->cfg->eeprom_size;
306 buf_size = 4 * eeprom_len + 256;
307
308 if (eeprom_len % 16) {
0848e297 309 IWL_ERR(priv, "NVM size is not multiple of 16.\n");
8dd266ef
TW		 310 return -ENODATA;
311 }
312
313 /* 4 characters for byte 0xYY */
314 buf = kzalloc(buf_size, GFP_KERNEL);
315 if (!buf) {
15b1687c 316 IWL_ERR(priv, "Can not allocate Buffer\n");
8dd266ef
TW		 317 return -ENOMEM;
318 }
319
320 ptr = priv->eeprom;
0848e297
WYG		 321 if (!ptr) {
322 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
323 return -ENOMEM;
324 }
325 pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s\n",
326 (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
327 ? "OTP" : "EEPROM");
8dd266ef
TW		 328 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
329 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
330 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
331 buf_size - pos, 0);
332 pos += strlen(buf);
333 if (buf_size - pos > 0)
334 buf[pos++] = '\n';
335 }
336
337 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
338 kfree(buf);
339 return ret;
340}
712b6cf5 341
189a2b59
EK		 342static ssize_t iwl_dbgfs_log_event_write(struct file *file,
343 const char __user *user_buf,
344 size_t count, loff_t *ppos)
345{
346 struct iwl_priv *priv = file->private_data;
347 u32 event_log_flag;
348 char buf[8];
349 int buf_size;
350
351 memset(buf, 0, sizeof(buf));
352 buf_size = min(count, sizeof(buf) - 1);
353 if (copy_from_user(buf, user_buf, buf_size))
354 return -EFAULT;
355 if (sscanf(buf, "%d", &event_log_flag) != 1)
356 return -EFAULT;
357 if (event_log_flag == 1)
358 iwl_dump_nic_event_log(priv);
359
360 return count;
361}
362
d366df5a
WT		 363
364
365static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
366 size_t count, loff_t *ppos)
367{
368 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
369 struct ieee80211_channel *channels = NULL;
370 const struct ieee80211_supported_band *supp_band = NULL;
371 int pos = 0, i, bufsz = PAGE_SIZE;
372 char *buf;
373 ssize_t ret;
374
375 if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status))
376 return -EAGAIN;
377
378 buf = kzalloc(bufsz, GFP_KERNEL);
379 if (!buf) {
15b1687c 380 IWL_ERR(priv, "Can not allocate Buffer\n");
d366df5a
WT		 381 return -ENOMEM;
382 }
383
384 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
a2e2322d
WYG		 385 if (supp_band) {
386 channels = supp_band->channels;
d366df5a 387
d366df5a 388 pos += scnprintf(buf + pos, bufsz - pos,
a2e2322d
WYG		 389 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
390 supp_band->n_channels);
d366df5a 391
a2e2322d
WYG		 392 for (i = 0; i < supp_band->n_channels; i++)
393 pos += scnprintf(buf + pos, bufsz - pos,
394 "%d: %ddBm: BSS%s%s, %s.\n",
395 ieee80211_frequency_to_channel(
396 channels[i].center_freq),
397 channels[i].max_power,
398 channels[i].flags & IEEE80211_CHAN_RADAR ?
399 " (IEEE 802.11h required)" : "",
400 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
401 || (channels[i].flags &
402 IEEE80211_CHAN_RADAR)) ? "" :
403 ", IBSS",
404 channels[i].flags &
405 IEEE80211_CHAN_PASSIVE_SCAN ?
406 "passive only" : "active/passive");
407 }
d366df5a 408 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
a2e2322d
WYG		 409 if (supp_band) {
410 channels = supp_band->channels;
d366df5a 411
d366df5a 412 pos += scnprintf(buf + pos, bufsz - pos,
a2e2322d
WYG		 413 "Displaying %d channels in 5.2GHz band (802.11a)\n",
414 supp_band->n_channels);
415
416 for (i = 0; i < supp_band->n_channels; i++)
417 pos += scnprintf(buf + pos, bufsz - pos,
418 "%d: %ddBm: BSS%s%s, %s.\n",
419 ieee80211_frequency_to_channel(
420 channels[i].center_freq),
421 channels[i].max_power,
422 channels[i].flags & IEEE80211_CHAN_RADAR ?
423 " (IEEE 802.11h required)" : "",
424 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
425 || (channels[i].flags &
426 IEEE80211_CHAN_RADAR)) ? "" :
427 ", IBSS",
428 channels[i].flags &
429 IEEE80211_CHAN_PASSIVE_SCAN ?
430 "passive only" : "active/passive");
431 }
d366df5a
WT		 432 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
433 kfree(buf);
434 return ret;
435}
436
08df05aa
WYG		 437static ssize_t iwl_dbgfs_status_read(struct file *file,
438 char __user *user_buf,
439 size_t count, loff_t *ppos) {
440
441 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
442 char buf[512];
443 int pos = 0;
444 const size_t bufsz = sizeof(buf);
445
446 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n",
447 test_bit(STATUS_HCMD_ACTIVE, &priv->status));
448 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_SYNC_ACTIVE: %d\n",
449 test_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status));
450 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n",
451 test_bit(STATUS_INT_ENABLED, &priv->status));
452 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
453 test_bit(STATUS_RF_KILL_HW, &priv->status));
08df05aa
WYG		 454 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n",
455 test_bit(STATUS_INIT, &priv->status));
456 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
457 test_bit(STATUS_ALIVE, &priv->status));
458 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
459 test_bit(STATUS_READY, &priv->status));
460 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n",
461 test_bit(STATUS_TEMPERATURE, &priv->status));
462 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
463 test_bit(STATUS_GEO_CONFIGURED, &priv->status));
464 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
465 test_bit(STATUS_EXIT_PENDING, &priv->status));
08df05aa
WYG		 466 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
467 test_bit(STATUS_STATISTICS, &priv->status));
468 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
469 test_bit(STATUS_SCANNING, &priv->status));
470 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
471 test_bit(STATUS_SCAN_ABORTING, &priv->status));
472 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
473 test_bit(STATUS_SCAN_HW, &priv->status));
474 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
475 test_bit(STATUS_POWER_PMI, &priv->status));
476 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
477 test_bit(STATUS_FW_ERROR, &priv->status));
478 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_MODE_PENDING:\t %d\n",
479 test_bit(STATUS_MODE_PENDING, &priv->status));
480 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
481}
482
a83b9141
WYG		 483static ssize_t iwl_dbgfs_interrupt_read(struct file *file,
484 char __user *user_buf,
485 size_t count, loff_t *ppos) {
486
487 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
488 int pos = 0;
489 int cnt = 0;
490 char *buf;
491 int bufsz = 24 * 64; /* 24 items * 64 char per item */
492 ssize_t ret;
493
494 buf = kzalloc(bufsz, GFP_KERNEL);
495 if (!buf) {
496 IWL_ERR(priv, "Can not allocate Buffer\n");
497 return -ENOMEM;
498 }
499
500 pos += scnprintf(buf + pos, bufsz - pos,
501 "Interrupt Statistics Report:\n");
502
503 pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n",
504 priv->isr_stats.hw);
505 pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n",
506 priv->isr_stats.sw);
507 if (priv->isr_stats.sw > 0) {
508 pos += scnprintf(buf + pos, bufsz - pos,
509 "\tLast Restarting Code: 0x%X\n",
510 priv->isr_stats.sw_err);
511 }
512#ifdef CONFIG_IWLWIFI_DEBUG
513 pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n",
514 priv->isr_stats.sch);
515 pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n",
516 priv->isr_stats.alive);
517#endif
518 pos += scnprintf(buf + pos, bufsz - pos,
519 "HW RF KILL switch toggled:\t %u\n",
520 priv->isr_stats.rfkill);
521
522 pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n",
523 priv->isr_stats.ctkill);
524
525 pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n",
526 priv->isr_stats.wakeup);
527
528 pos += scnprintf(buf + pos, bufsz - pos,
529 "Rx command responses:\t\t %u\n",
530 priv->isr_stats.rx);
531 for (cnt = 0; cnt < REPLY_MAX; cnt++) {
532 if (priv->isr_stats.rx_handlers[cnt] > 0)
533 pos += scnprintf(buf + pos, bufsz - pos,
534 "\tRx handler[%36s]:\t\t %u\n",
535 get_cmd_string(cnt),
536 priv->isr_stats.rx_handlers[cnt]);
537 }
538
539 pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n",
540 priv->isr_stats.tx);
541
542 pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n",
543 priv->isr_stats.unhandled);
544
545 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
546 kfree(buf);
547 return ret;
548}
549
550static ssize_t iwl_dbgfs_interrupt_write(struct file *file,
551 const char __user *user_buf,
552 size_t count, loff_t *ppos)
553{
554 struct iwl_priv *priv = file->private_data;
555 char buf[8];
556 int buf_size;
557 u32 reset_flag;
558
559 memset(buf, 0, sizeof(buf));
560 buf_size = min(count, sizeof(buf) - 1);
561 if (copy_from_user(buf, user_buf, buf_size))
562 return -EFAULT;
563 if (sscanf(buf, "%x", &reset_flag) != 1)
564 return -EFAULT;
565 if (reset_flag == 0)
566 iwl_clear_isr_stats(priv);
567
568 return count;
569}
570
f5ad69fa
WYG		 571static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
572 size_t count, loff_t *ppos)
573{
574 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
575 int pos = 0, i;
576 char buf[256];
577 const size_t bufsz = sizeof(buf);
578 ssize_t ret;
579
580 for (i = 0; i < AC_NUM; i++) {
581 pos += scnprintf(buf + pos, bufsz - pos,
582 "\tcw_min\tcw_max\taifsn\ttxop\n");
583 pos += scnprintf(buf + pos, bufsz - pos,
584 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
585 priv->qos_data.def_qos_parm.ac[i].cw_min,
586 priv->qos_data.def_qos_parm.ac[i].cw_max,
587 priv->qos_data.def_qos_parm.ac[i].aifsn,
588 priv->qos_data.def_qos_parm.ac[i].edca_txop);
589 }
590 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
591 return ret;
592}
a83b9141 593
712b6cf5 594DEBUGFS_READ_WRITE_FILE_OPS(sram);
189a2b59 595DEBUGFS_WRITE_FILE_OPS(log_event);
0848e297 596DEBUGFS_READ_FILE_OPS(nvm);
712b6cf5
TW		 597DEBUGFS_READ_FILE_OPS(stations);
598DEBUGFS_READ_FILE_OPS(rx_statistics);
599DEBUGFS_READ_FILE_OPS(tx_statistics);
d366df5a 600DEBUGFS_READ_FILE_OPS(channels);
08df05aa 601DEBUGFS_READ_FILE_OPS(status);
a83b9141 602DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
f5ad69fa 603DEBUGFS_READ_FILE_OPS(qos);
712b6cf5
TW		 604
605/*
606 * Create the debugfs files and directories
607 *
608 */
609int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
610{
611 struct iwl_debugfs *dbgfs;
95b1a822 612 struct dentry *phyd = priv->hw->wiphy->debugfsdir;
3ac7f146 613 int ret = 0;
712b6cf5
TW		 614
615 dbgfs = kzalloc(sizeof(struct iwl_debugfs), GFP_KERNEL);
616 if (!dbgfs) {
3ac7f146 617 ret = -ENOMEM;
712b6cf5
TW		 618 goto err;
619 }
620
621 priv->dbgfs = dbgfs;
622 dbgfs->name = name;
95b1a822 623 dbgfs->dir_drv = debugfs_create_dir(name, phyd);
3ac7f146
TW		 624 if (!dbgfs->dir_drv || IS_ERR(dbgfs->dir_drv)) {
625 ret = -ENOENT;
712b6cf5
TW		 626 goto err;
627 }
628
629 DEBUGFS_ADD_DIR(data, dbgfs->dir_drv);
445c2dff 630 DEBUGFS_ADD_DIR(rf, dbgfs->dir_drv);
0848e297 631 DEBUGFS_ADD_FILE(nvm, data);
712b6cf5 632 DEBUGFS_ADD_FILE(sram, data);
189a2b59 633 DEBUGFS_ADD_FILE(log_event, data);
712b6cf5
TW		 634 DEBUGFS_ADD_FILE(stations, data);
635 DEBUGFS_ADD_FILE(rx_statistics, data);
636 DEBUGFS_ADD_FILE(tx_statistics, data);
d366df5a 637 DEBUGFS_ADD_FILE(channels, data);
08df05aa 638 DEBUGFS_ADD_FILE(status, data);
a83b9141 639 DEBUGFS_ADD_FILE(interrupt, data);
f5ad69fa 640 DEBUGFS_ADD_FILE(qos, data);
445c2dff
TW		 641 DEBUGFS_ADD_BOOL(disable_sensitivity, rf, &priv->disable_sens_cal);
642 DEBUGFS_ADD_BOOL(disable_chain_noise, rf,
643 &priv->disable_chain_noise_cal);
030b8655
WYG		 644 if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) ||
645 ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945))
646 DEBUGFS_ADD_BOOL(disable_tx_power, rf,
647 &priv->disable_tx_power_cal);
712b6cf5
TW		 648 return 0;
649
650err:
15b1687c 651 IWL_ERR(priv, "Can't open the debugfs directory\n");
712b6cf5 652 iwl_dbgfs_unregister(priv);
3ac7f146 653 return ret;
712b6cf5
TW		 654}
655EXPORT_SYMBOL(iwl_dbgfs_register);
656
657/**
658 * Remove the debugfs files and directories
659 *
660 */
661void iwl_dbgfs_unregister(struct iwl_priv *priv)
662{
3ac7f146 663 if (!priv->dbgfs)
712b6cf5
TW		 664 return;
665
0848e297 666 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_nvm);
712b6cf5
TW		 667 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_rx_statistics);
668 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_tx_statistics);
669 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sram);
189a2b59 670 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_log_event);
712b6cf5 671 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_stations);
d366df5a 672 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_channels);
08df05aa 673 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_status);
a83b9141 674 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_interrupt);
f5ad69fa 675 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_qos);
712b6cf5 676 DEBUGFS_REMOVE(priv->dbgfs->dir_data);
445c2dff
TW		 677 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_sensitivity);
678 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_chain_noise);
030b8655
WYG		 679 if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) ||
680 ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945))
681 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_tx_power);
445c2dff 682 DEBUGFS_REMOVE(priv->dbgfs->dir_rf);
712b6cf5
TW		 683 DEBUGFS_REMOVE(priv->dbgfs->dir_drv);
684 kfree(priv->dbgfs);
685 priv->dbgfs = NULL;
686}
687EXPORT_SYMBOL(iwl_dbgfs_unregister);
688
689
445c2dff 690
Linux kernel - Deliverables
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