1 /******************************************************************************
5 * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved.
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.
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.
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,
21 * The full GNU General Public License is included in this distribution
22 * in the file called LICENSE.GPL.
24 * Contact Information:
25 * Intel Linux Wireless <ilw@linux.intel.com>
26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
27 *****************************************************************************/
29 #include <linux/slab.h>
30 #include <linux/kernel.h>
31 #include <linux/module.h>
32 #include <linux/debugfs.h>
34 #include <linux/ieee80211.h>
35 #include <net/mac80211.h>
39 #include "iwl-debug.h"
42 #include "iwl-modparams.h"
44 /* create and remove of files */
45 #define DEBUGFS_ADD_FILE(name, parent, mode) do { \
46 if (!debugfs_create_file(#name, mode, parent, priv, \
47 &iwl_dbgfs_##name##_ops)) \
51 #define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \
52 struct dentry *__tmp; \
53 __tmp = debugfs_create_bool(#name, S_IWUSR | S_IRUSR, \
55 if (IS_ERR(__tmp) || !__tmp) \
59 #define DEBUGFS_ADD_X32(name, parent, ptr) do { \
60 struct dentry *__tmp; \
61 __tmp = debugfs_create_x32(#name, S_IWUSR | S_IRUSR, \
63 if (IS_ERR(__tmp) || !__tmp) \
67 #define DEBUGFS_ADD_U32(name, parent, ptr, mode) do { \
68 struct dentry *__tmp; \
69 __tmp = debugfs_create_u32(#name, mode, \
71 if (IS_ERR(__tmp) || !__tmp) \
76 #define DEBUGFS_READ_FUNC(name) \
77 static ssize_t iwl_dbgfs_##name##_read(struct file *file, \
78 char __user *user_buf, \
79 size_t count, loff_t *ppos);
81 #define DEBUGFS_WRITE_FUNC(name) \
82 static ssize_t iwl_dbgfs_##name##_write(struct file *file, \
83 const char __user *user_buf, \
84 size_t count, loff_t *ppos);
87 #define DEBUGFS_READ_FILE_OPS(name) \
88 DEBUGFS_READ_FUNC(name); \
89 static const struct file_operations iwl_dbgfs_##name##_ops = { \
90 .read = iwl_dbgfs_##name##_read, \
91 .open = simple_open, \
92 .llseek = generic_file_llseek, \
95 #define DEBUGFS_WRITE_FILE_OPS(name) \
96 DEBUGFS_WRITE_FUNC(name); \
97 static const struct file_operations iwl_dbgfs_##name##_ops = { \
98 .write = iwl_dbgfs_##name##_write, \
99 .open = simple_open, \
100 .llseek = generic_file_llseek, \
104 #define DEBUGFS_READ_WRITE_FILE_OPS(name) \
105 DEBUGFS_READ_FUNC(name); \
106 DEBUGFS_WRITE_FUNC(name); \
107 static const struct file_operations iwl_dbgfs_##name##_ops = { \
108 .write = iwl_dbgfs_##name##_write, \
109 .read = iwl_dbgfs_##name##_read, \
110 .open = simple_open, \
111 .llseek = generic_file_llseek, \
114 static ssize_t
iwl_dbgfs_sram_read(struct file
*file
,
115 char __user
*user_buf
,
116 size_t count
, loff_t
*ppos
)
122 bool device_format
= false;
127 struct iwl_priv
*priv
= file
->private_data
;
128 const struct fw_img
*img
;
131 /* default is to dump the entire data segment */
132 if (!priv
->dbgfs_sram_offset
&& !priv
->dbgfs_sram_len
) {
133 priv
->dbgfs_sram_offset
= 0x800000;
134 if (!priv
->ucode_loaded
)
136 img
= &priv
->fw
->img
[priv
->cur_ucode
];
137 priv
->dbgfs_sram_len
= img
->sec
[IWL_UCODE_SECTION_DATA
].len
;
139 len
= priv
->dbgfs_sram_len
;
142 device_format
= true;
146 bufsz
= 50 + len
* 4;
147 buf
= kmalloc(bufsz
, GFP_KERNEL
);
151 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "sram_len: 0x%x\n",
153 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "sram_offset: 0x%x\n",
154 priv
->dbgfs_sram_offset
);
156 /* adjust sram address since reads are only on even u32 boundaries */
157 offset
= priv
->dbgfs_sram_offset
& 0x3;
158 sram
= priv
->dbgfs_sram_offset
& ~0x3;
160 /* read the first u32 from sram */
161 val
= iwl_read_targ_mem(priv
->trans
, sram
);
164 /* put the address at the start of every line */
166 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
167 "%08X: ", sram
+ offset
);
170 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
171 "%02x", (val
>> (8 * (3 - offset
))) & 0xff);
173 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
174 "%02x ", (val
>> (8 * offset
)) & 0xff);
176 /* if all bytes processed, read the next u32 from sram */
180 val
= iwl_read_targ_mem(priv
->trans
, sram
);
183 /* put in extra spaces and split lines for human readability */
186 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "\n");
187 } else if (!(i
& 7)) {
188 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, " ");
189 } else if (!(i
& 3)) {
190 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, " ");
194 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "\n");
196 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
201 static ssize_t
iwl_dbgfs_sram_write(struct file
*file
,
202 const char __user
*user_buf
,
203 size_t count
, loff_t
*ppos
)
205 struct iwl_priv
*priv
= file
->private_data
;
210 memset(buf
, 0, sizeof(buf
));
211 buf_size
= min(count
, sizeof(buf
) - 1);
212 if (copy_from_user(buf
, user_buf
, buf_size
))
215 if (sscanf(buf
, "%x,%x", &offset
, &len
) == 2) {
216 priv
->dbgfs_sram_offset
= offset
;
217 priv
->dbgfs_sram_len
= len
;
218 } else if (sscanf(buf
, "%x", &offset
) == 1) {
219 priv
->dbgfs_sram_offset
= offset
;
220 priv
->dbgfs_sram_len
= -4;
222 priv
->dbgfs_sram_offset
= 0;
223 priv
->dbgfs_sram_len
= 0;
229 static ssize_t
iwl_dbgfs_wowlan_sram_read(struct file
*file
,
230 char __user
*user_buf
,
231 size_t count
, loff_t
*ppos
)
233 struct iwl_priv
*priv
= file
->private_data
;
234 const struct fw_img
*img
= &priv
->fw
->img
[IWL_UCODE_WOWLAN
];
236 if (!priv
->wowlan_sram
)
239 return simple_read_from_buffer(user_buf
, count
, ppos
,
241 img
->sec
[IWL_UCODE_SECTION_DATA
].len
);
243 static ssize_t
iwl_dbgfs_stations_read(struct file
*file
, char __user
*user_buf
,
244 size_t count
, loff_t
*ppos
)
246 struct iwl_priv
*priv
= file
->private_data
;
247 struct iwl_station_entry
*station
;
248 struct iwl_tid_data
*tid_data
;
252 /* Add 30 for initial string */
253 const size_t bufsz
= 30 + sizeof(char) * 500 * (priv
->num_stations
);
255 buf
= kmalloc(bufsz
, GFP_KERNEL
);
259 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "num of stations: %d\n\n",
262 for (i
= 0; i
< IWLAGN_STATION_COUNT
; i
++) {
263 station
= &priv
->stations
[i
];
266 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
267 "station %d - addr: %pM, flags: %#x\n",
268 i
, station
->sta
.sta
.addr
,
269 station
->sta
.station_flags_msk
);
270 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
271 "TID seqno next_rclmd "
272 "rate_n_flags state txq\n");
274 for (j
= 0; j
< IWL_MAX_TID_COUNT
; j
++) {
275 tid_data
= &priv
->tid_data
[i
][j
];
276 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
277 "%d: 0x%.4x 0x%.4x 0x%.8x "
279 j
, tid_data
->seq_number
,
280 tid_data
->next_reclaimed
,
281 tid_data
->agg
.rate_n_flags
,
283 tid_data
->agg
.txq_id
);
285 if (tid_data
->agg
.wait_for_ba
)
286 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
288 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "\n");
291 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "\n");
294 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
299 static ssize_t
iwl_dbgfs_nvm_read(struct file
*file
,
300 char __user
*user_buf
,
305 struct iwl_priv
*priv
= file
->private_data
;
306 int pos
= 0, ofs
= 0, buf_size
= 0;
310 size_t eeprom_len
= priv
->cfg
->base_params
->eeprom_size
;
311 buf_size
= 4 * eeprom_len
+ 256;
320 /* 4 characters for byte 0xYY */
321 buf
= kzalloc(buf_size
, GFP_KERNEL
);
325 eeprom_ver
= iwl_eeprom_query16(priv
, EEPROM_VERSION
);
326 pos
+= scnprintf(buf
+ pos
, buf_size
- pos
, "NVM Type: %s, "
328 (priv
->nvm_device_type
== NVM_DEVICE_TYPE_OTP
)
329 ? "OTP" : "EEPROM", eeprom_ver
);
330 for (ofs
= 0 ; ofs
< eeprom_len
; ofs
+= 16) {
331 pos
+= scnprintf(buf
+ pos
, buf_size
- pos
, "0x%.4x ", ofs
);
332 hex_dump_to_buffer(ptr
+ ofs
, 16 , 16, 2, buf
+ pos
,
334 pos
+= strlen(buf
+ pos
);
335 if (buf_size
- pos
> 0)
339 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
344 static ssize_t
iwl_dbgfs_channels_read(struct file
*file
, char __user
*user_buf
,
345 size_t count
, loff_t
*ppos
)
347 struct iwl_priv
*priv
= file
->private_data
;
348 struct ieee80211_channel
*channels
= NULL
;
349 const struct ieee80211_supported_band
*supp_band
= NULL
;
350 int pos
= 0, i
, bufsz
= PAGE_SIZE
;
354 if (!test_bit(STATUS_GEO_CONFIGURED
, &priv
->status
))
357 buf
= kzalloc(bufsz
, GFP_KERNEL
);
361 supp_band
= iwl_get_hw_mode(priv
, IEEE80211_BAND_2GHZ
);
363 channels
= supp_band
->channels
;
365 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
366 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
367 supp_band
->n_channels
);
369 for (i
= 0; i
< supp_band
->n_channels
; i
++)
370 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
371 "%d: %ddBm: BSS%s%s, %s.\n",
372 channels
[i
].hw_value
,
373 channels
[i
].max_power
,
374 channels
[i
].flags
& IEEE80211_CHAN_RADAR
?
375 " (IEEE 802.11h required)" : "",
376 ((channels
[i
].flags
& IEEE80211_CHAN_NO_IBSS
)
377 || (channels
[i
].flags
&
378 IEEE80211_CHAN_RADAR
)) ? "" :
381 IEEE80211_CHAN_PASSIVE_SCAN
?
382 "passive only" : "active/passive");
384 supp_band
= iwl_get_hw_mode(priv
, IEEE80211_BAND_5GHZ
);
386 channels
= supp_band
->channels
;
388 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
389 "Displaying %d channels in 5.2GHz band (802.11a)\n",
390 supp_band
->n_channels
);
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 channels
[i
].hw_value
,
396 channels
[i
].max_power
,
397 channels
[i
].flags
& IEEE80211_CHAN_RADAR
?
398 " (IEEE 802.11h required)" : "",
399 ((channels
[i
].flags
& IEEE80211_CHAN_NO_IBSS
)
400 || (channels
[i
].flags
&
401 IEEE80211_CHAN_RADAR
)) ? "" :
404 IEEE80211_CHAN_PASSIVE_SCAN
?
405 "passive only" : "active/passive");
407 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
412 static ssize_t
iwl_dbgfs_status_read(struct file
*file
,
413 char __user
*user_buf
,
414 size_t count
, loff_t
*ppos
) {
416 struct iwl_priv
*priv
= file
->private_data
;
419 const size_t bufsz
= sizeof(buf
);
421 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "STATUS_RF_KILL_HW:\t %d\n",
422 test_bit(STATUS_RF_KILL_HW
, &priv
->status
));
423 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "STATUS_CT_KILL:\t\t %d\n",
424 test_bit(STATUS_CT_KILL
, &priv
->status
));
425 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "STATUS_ALIVE:\t\t %d\n",
426 test_bit(STATUS_ALIVE
, &priv
->status
));
427 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "STATUS_READY:\t\t %d\n",
428 test_bit(STATUS_READY
, &priv
->status
));
429 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "STATUS_GEO_CONFIGURED:\t %d\n",
430 test_bit(STATUS_GEO_CONFIGURED
, &priv
->status
));
431 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "STATUS_EXIT_PENDING:\t %d\n",
432 test_bit(STATUS_EXIT_PENDING
, &priv
->status
));
433 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "STATUS_STATISTICS:\t %d\n",
434 test_bit(STATUS_STATISTICS
, &priv
->status
));
435 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "STATUS_SCANNING:\t %d\n",
436 test_bit(STATUS_SCANNING
, &priv
->status
));
437 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "STATUS_SCAN_ABORTING:\t %d\n",
438 test_bit(STATUS_SCAN_ABORTING
, &priv
->status
));
439 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "STATUS_SCAN_HW:\t\t %d\n",
440 test_bit(STATUS_SCAN_HW
, &priv
->status
));
441 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "STATUS_POWER_PMI:\t %d\n",
442 test_bit(STATUS_POWER_PMI
, &priv
->status
));
443 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "STATUS_FW_ERROR:\t %d\n",
444 test_bit(STATUS_FW_ERROR
, &priv
->status
));
445 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
448 static ssize_t
iwl_dbgfs_rx_handlers_read(struct file
*file
,
449 char __user
*user_buf
,
450 size_t count
, loff_t
*ppos
) {
452 struct iwl_priv
*priv
= file
->private_data
;
457 int bufsz
= 24 * 64; /* 24 items * 64 char per item */
460 buf
= kzalloc(bufsz
, GFP_KERNEL
);
464 for (cnt
= 0; cnt
< REPLY_MAX
; cnt
++) {
465 if (priv
->rx_handlers_stats
[cnt
] > 0)
466 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
467 "\tRx handler[%36s]:\t\t %u\n",
468 iwl_dvm_get_cmd_string(cnt
),
469 priv
->rx_handlers_stats
[cnt
]);
472 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
477 static ssize_t
iwl_dbgfs_rx_handlers_write(struct file
*file
,
478 const char __user
*user_buf
,
479 size_t count
, loff_t
*ppos
)
481 struct iwl_priv
*priv
= file
->private_data
;
487 memset(buf
, 0, sizeof(buf
));
488 buf_size
= min(count
, sizeof(buf
) - 1);
489 if (copy_from_user(buf
, user_buf
, buf_size
))
491 if (sscanf(buf
, "%x", &reset_flag
) != 1)
494 memset(&priv
->rx_handlers_stats
[0], 0,
495 sizeof(priv
->rx_handlers_stats
));
500 static ssize_t
iwl_dbgfs_qos_read(struct file
*file
, char __user
*user_buf
,
501 size_t count
, loff_t
*ppos
)
503 struct iwl_priv
*priv
= file
->private_data
;
504 struct iwl_rxon_context
*ctx
;
506 char buf
[256 * NUM_IWL_RXON_CTX
];
507 const size_t bufsz
= sizeof(buf
);
509 for_each_context(priv
, ctx
) {
510 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "context %d:\n",
512 for (i
= 0; i
< AC_NUM
; i
++) {
513 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
514 "\tcw_min\tcw_max\taifsn\ttxop\n");
515 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
516 "AC[%d]\t%u\t%u\t%u\t%u\n", i
,
517 ctx
->qos_data
.def_qos_parm
.ac
[i
].cw_min
,
518 ctx
->qos_data
.def_qos_parm
.ac
[i
].cw_max
,
519 ctx
->qos_data
.def_qos_parm
.ac
[i
].aifsn
,
520 ctx
->qos_data
.def_qos_parm
.ac
[i
].edca_txop
);
522 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "\n");
524 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
527 static ssize_t
iwl_dbgfs_thermal_throttling_read(struct file
*file
,
528 char __user
*user_buf
,
529 size_t count
, loff_t
*ppos
)
531 struct iwl_priv
*priv
= file
->private_data
;
532 struct iwl_tt_mgmt
*tt
= &priv
->thermal_throttle
;
533 struct iwl_tt_restriction
*restriction
;
536 const size_t bufsz
= sizeof(buf
);
538 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
539 "Thermal Throttling Mode: %s\n",
540 tt
->advanced_tt
? "Advance" : "Legacy");
541 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
542 "Thermal Throttling State: %d\n",
544 if (tt
->advanced_tt
) {
545 restriction
= tt
->restriction
+ tt
->state
;
546 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
548 restriction
->tx_stream
);
549 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
551 restriction
->rx_stream
);
552 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
556 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
559 static ssize_t
iwl_dbgfs_disable_ht40_write(struct file
*file
,
560 const char __user
*user_buf
,
561 size_t count
, loff_t
*ppos
)
563 struct iwl_priv
*priv
= file
->private_data
;
568 memset(buf
, 0, sizeof(buf
));
569 buf_size
= min(count
, sizeof(buf
) - 1);
570 if (copy_from_user(buf
, user_buf
, buf_size
))
572 if (sscanf(buf
, "%d", &ht40
) != 1)
574 if (!iwl_is_any_associated(priv
))
575 priv
->disable_ht40
= ht40
? true : false;
582 static ssize_t
iwl_dbgfs_disable_ht40_read(struct file
*file
,
583 char __user
*user_buf
,
584 size_t count
, loff_t
*ppos
)
586 struct iwl_priv
*priv
= file
->private_data
;
589 const size_t bufsz
= sizeof(buf
);
591 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
592 "11n 40MHz Mode: %s\n",
593 priv
->disable_ht40
? "Disabled" : "Enabled");
594 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
597 static ssize_t
iwl_dbgfs_temperature_read(struct file
*file
,
598 char __user
*user_buf
,
599 size_t count
, loff_t
*ppos
)
601 struct iwl_priv
*priv
= file
->private_data
;
604 const size_t bufsz
= sizeof(buf
);
606 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%d\n", priv
->temperature
);
607 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
611 static ssize_t
iwl_dbgfs_sleep_level_override_write(struct file
*file
,
612 const char __user
*user_buf
,
613 size_t count
, loff_t
*ppos
)
615 struct iwl_priv
*priv
= file
->private_data
;
620 memset(buf
, 0, sizeof(buf
));
621 buf_size
= min(count
, sizeof(buf
) - 1);
622 if (copy_from_user(buf
, user_buf
, buf_size
))
625 if (sscanf(buf
, "%d", &value
) != 1)
629 * Our users expect 0 to be "CAM", but 0 isn't actually
630 * valid here. However, let's not confuse them and present
631 * IWL_POWER_INDEX_1 as "1", not "0".
638 if (value
!= -1 && (value
< 0 || value
>= IWL_POWER_NUM
))
641 if (!iwl_is_ready_rf(priv
))
644 priv
->power_data
.debug_sleep_level_override
= value
;
646 mutex_lock(&priv
->mutex
);
647 iwl_power_update_mode(priv
, true);
648 mutex_unlock(&priv
->mutex
);
653 static ssize_t
iwl_dbgfs_sleep_level_override_read(struct file
*file
,
654 char __user
*user_buf
,
655 size_t count
, loff_t
*ppos
)
657 struct iwl_priv
*priv
= file
->private_data
;
660 const size_t bufsz
= sizeof(buf
);
662 /* see the write function */
663 value
= priv
->power_data
.debug_sleep_level_override
;
667 pos
= scnprintf(buf
, bufsz
, "%d\n", value
);
668 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
671 static ssize_t
iwl_dbgfs_current_sleep_command_read(struct file
*file
,
672 char __user
*user_buf
,
673 size_t count
, loff_t
*ppos
)
675 struct iwl_priv
*priv
= file
->private_data
;
678 const size_t bufsz
= sizeof(buf
);
679 struct iwl_powertable_cmd
*cmd
= &priv
->power_data
.sleep_cmd
;
681 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
682 "flags: %#.2x\n", le16_to_cpu(cmd
->flags
));
683 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
684 "RX/TX timeout: %d/%d usec\n",
685 le32_to_cpu(cmd
->rx_data_timeout
),
686 le32_to_cpu(cmd
->tx_data_timeout
));
687 for (i
= 0; i
< IWL_POWER_VEC_SIZE
; i
++)
688 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
689 "sleep_interval[%d]: %d\n", i
,
690 le32_to_cpu(cmd
->sleep_interval
[i
]));
692 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
695 DEBUGFS_READ_WRITE_FILE_OPS(sram
);
696 DEBUGFS_READ_FILE_OPS(wowlan_sram
);
697 DEBUGFS_READ_FILE_OPS(nvm
);
698 DEBUGFS_READ_FILE_OPS(stations
);
699 DEBUGFS_READ_FILE_OPS(channels
);
700 DEBUGFS_READ_FILE_OPS(status
);
701 DEBUGFS_READ_WRITE_FILE_OPS(rx_handlers
);
702 DEBUGFS_READ_FILE_OPS(qos
);
703 DEBUGFS_READ_FILE_OPS(thermal_throttling
);
704 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40
);
705 DEBUGFS_READ_FILE_OPS(temperature
);
706 DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override
);
707 DEBUGFS_READ_FILE_OPS(current_sleep_command
);
709 static const char *fmt_value
= " %-30s %10u\n";
710 static const char *fmt_hex
= " %-30s 0x%02X\n";
711 static const char *fmt_table
= " %-30s %10u %10u %10u %10u\n";
712 static const char *fmt_header
=
713 "%-32s current cumulative delta max\n";
715 static int iwl_statistics_flag(struct iwl_priv
*priv
, char *buf
, int bufsz
)
720 lockdep_assert_held(&priv
->statistics
.lock
);
722 flag
= le32_to_cpu(priv
->statistics
.flag
);
724 p
+= scnprintf(buf
+ p
, bufsz
- p
, "Statistics Flag(0x%X):\n", flag
);
725 if (flag
& UCODE_STATISTICS_CLEAR_MSK
)
726 p
+= scnprintf(buf
+ p
, bufsz
- p
,
727 "\tStatistics have been cleared\n");
728 p
+= scnprintf(buf
+ p
, bufsz
- p
, "\tOperational Frequency: %s\n",
729 (flag
& UCODE_STATISTICS_FREQUENCY_MSK
)
730 ? "2.4 GHz" : "5.2 GHz");
731 p
+= scnprintf(buf
+ p
, bufsz
- p
, "\tTGj Narrow Band: %s\n",
732 (flag
& UCODE_STATISTICS_NARROW_BAND_MSK
)
733 ? "enabled" : "disabled");
738 static ssize_t
iwl_dbgfs_ucode_rx_stats_read(struct file
*file
,
739 char __user
*user_buf
,
740 size_t count
, loff_t
*ppos
)
742 struct iwl_priv
*priv
= file
->private_data
;
745 int bufsz
= sizeof(struct statistics_rx_phy
) * 40 +
746 sizeof(struct statistics_rx_non_phy
) * 40 +
747 sizeof(struct statistics_rx_ht_phy
) * 40 + 400;
749 struct statistics_rx_phy
*ofdm
, *accum_ofdm
, *delta_ofdm
, *max_ofdm
;
750 struct statistics_rx_phy
*cck
, *accum_cck
, *delta_cck
, *max_cck
;
751 struct statistics_rx_non_phy
*general
, *accum_general
;
752 struct statistics_rx_non_phy
*delta_general
, *max_general
;
753 struct statistics_rx_ht_phy
*ht
, *accum_ht
, *delta_ht
, *max_ht
;
755 if (!iwl_is_alive(priv
))
758 buf
= kzalloc(bufsz
, GFP_KERNEL
);
763 * the statistic information display here is based on
764 * the last statistics notification from uCode
765 * might not reflect the current uCode activity
767 spin_lock_bh(&priv
->statistics
.lock
);
768 ofdm
= &priv
->statistics
.rx_ofdm
;
769 cck
= &priv
->statistics
.rx_cck
;
770 general
= &priv
->statistics
.rx_non_phy
;
771 ht
= &priv
->statistics
.rx_ofdm_ht
;
772 accum_ofdm
= &priv
->accum_stats
.rx_ofdm
;
773 accum_cck
= &priv
->accum_stats
.rx_cck
;
774 accum_general
= &priv
->accum_stats
.rx_non_phy
;
775 accum_ht
= &priv
->accum_stats
.rx_ofdm_ht
;
776 delta_ofdm
= &priv
->delta_stats
.rx_ofdm
;
777 delta_cck
= &priv
->delta_stats
.rx_cck
;
778 delta_general
= &priv
->delta_stats
.rx_non_phy
;
779 delta_ht
= &priv
->delta_stats
.rx_ofdm_ht
;
780 max_ofdm
= &priv
->max_delta_stats
.rx_ofdm
;
781 max_cck
= &priv
->max_delta_stats
.rx_cck
;
782 max_general
= &priv
->max_delta_stats
.rx_non_phy
;
783 max_ht
= &priv
->max_delta_stats
.rx_ofdm_ht
;
785 pos
+= iwl_statistics_flag(priv
, buf
, bufsz
);
786 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
787 fmt_header
, "Statistics_Rx - OFDM:");
788 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
789 fmt_table
, "ina_cnt:",
790 le32_to_cpu(ofdm
->ina_cnt
),
792 delta_ofdm
->ina_cnt
, max_ofdm
->ina_cnt
);
793 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
794 fmt_table
, "fina_cnt:",
795 le32_to_cpu(ofdm
->fina_cnt
), accum_ofdm
->fina_cnt
,
796 delta_ofdm
->fina_cnt
, max_ofdm
->fina_cnt
);
797 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
798 fmt_table
, "plcp_err:",
799 le32_to_cpu(ofdm
->plcp_err
), accum_ofdm
->plcp_err
,
800 delta_ofdm
->plcp_err
, max_ofdm
->plcp_err
);
801 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
802 fmt_table
, "crc32_err:",
803 le32_to_cpu(ofdm
->crc32_err
), accum_ofdm
->crc32_err
,
804 delta_ofdm
->crc32_err
, max_ofdm
->crc32_err
);
805 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
806 fmt_table
, "overrun_err:",
807 le32_to_cpu(ofdm
->overrun_err
),
808 accum_ofdm
->overrun_err
, delta_ofdm
->overrun_err
,
809 max_ofdm
->overrun_err
);
810 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
811 fmt_table
, "early_overrun_err:",
812 le32_to_cpu(ofdm
->early_overrun_err
),
813 accum_ofdm
->early_overrun_err
,
814 delta_ofdm
->early_overrun_err
,
815 max_ofdm
->early_overrun_err
);
816 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
817 fmt_table
, "crc32_good:",
818 le32_to_cpu(ofdm
->crc32_good
),
819 accum_ofdm
->crc32_good
, delta_ofdm
->crc32_good
,
820 max_ofdm
->crc32_good
);
821 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
822 fmt_table
, "false_alarm_cnt:",
823 le32_to_cpu(ofdm
->false_alarm_cnt
),
824 accum_ofdm
->false_alarm_cnt
,
825 delta_ofdm
->false_alarm_cnt
,
826 max_ofdm
->false_alarm_cnt
);
827 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
828 fmt_table
, "fina_sync_err_cnt:",
829 le32_to_cpu(ofdm
->fina_sync_err_cnt
),
830 accum_ofdm
->fina_sync_err_cnt
,
831 delta_ofdm
->fina_sync_err_cnt
,
832 max_ofdm
->fina_sync_err_cnt
);
833 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
834 fmt_table
, "sfd_timeout:",
835 le32_to_cpu(ofdm
->sfd_timeout
),
836 accum_ofdm
->sfd_timeout
, delta_ofdm
->sfd_timeout
,
837 max_ofdm
->sfd_timeout
);
838 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
839 fmt_table
, "fina_timeout:",
840 le32_to_cpu(ofdm
->fina_timeout
),
841 accum_ofdm
->fina_timeout
, delta_ofdm
->fina_timeout
,
842 max_ofdm
->fina_timeout
);
843 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
844 fmt_table
, "unresponded_rts:",
845 le32_to_cpu(ofdm
->unresponded_rts
),
846 accum_ofdm
->unresponded_rts
,
847 delta_ofdm
->unresponded_rts
,
848 max_ofdm
->unresponded_rts
);
849 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
850 fmt_table
, "rxe_frame_lmt_ovrun:",
851 le32_to_cpu(ofdm
->rxe_frame_limit_overrun
),
852 accum_ofdm
->rxe_frame_limit_overrun
,
853 delta_ofdm
->rxe_frame_limit_overrun
,
854 max_ofdm
->rxe_frame_limit_overrun
);
855 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
856 fmt_table
, "sent_ack_cnt:",
857 le32_to_cpu(ofdm
->sent_ack_cnt
),
858 accum_ofdm
->sent_ack_cnt
, delta_ofdm
->sent_ack_cnt
,
859 max_ofdm
->sent_ack_cnt
);
860 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
861 fmt_table
, "sent_cts_cnt:",
862 le32_to_cpu(ofdm
->sent_cts_cnt
),
863 accum_ofdm
->sent_cts_cnt
, delta_ofdm
->sent_cts_cnt
,
864 max_ofdm
->sent_cts_cnt
);
865 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
866 fmt_table
, "sent_ba_rsp_cnt:",
867 le32_to_cpu(ofdm
->sent_ba_rsp_cnt
),
868 accum_ofdm
->sent_ba_rsp_cnt
,
869 delta_ofdm
->sent_ba_rsp_cnt
,
870 max_ofdm
->sent_ba_rsp_cnt
);
871 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
872 fmt_table
, "dsp_self_kill:",
873 le32_to_cpu(ofdm
->dsp_self_kill
),
874 accum_ofdm
->dsp_self_kill
,
875 delta_ofdm
->dsp_self_kill
,
876 max_ofdm
->dsp_self_kill
);
877 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
878 fmt_table
, "mh_format_err:",
879 le32_to_cpu(ofdm
->mh_format_err
),
880 accum_ofdm
->mh_format_err
,
881 delta_ofdm
->mh_format_err
,
882 max_ofdm
->mh_format_err
);
883 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
884 fmt_table
, "re_acq_main_rssi_sum:",
885 le32_to_cpu(ofdm
->re_acq_main_rssi_sum
),
886 accum_ofdm
->re_acq_main_rssi_sum
,
887 delta_ofdm
->re_acq_main_rssi_sum
,
888 max_ofdm
->re_acq_main_rssi_sum
);
890 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
891 fmt_header
, "Statistics_Rx - CCK:");
892 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
893 fmt_table
, "ina_cnt:",
894 le32_to_cpu(cck
->ina_cnt
), accum_cck
->ina_cnt
,
895 delta_cck
->ina_cnt
, max_cck
->ina_cnt
);
896 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
897 fmt_table
, "fina_cnt:",
898 le32_to_cpu(cck
->fina_cnt
), accum_cck
->fina_cnt
,
899 delta_cck
->fina_cnt
, max_cck
->fina_cnt
);
900 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
901 fmt_table
, "plcp_err:",
902 le32_to_cpu(cck
->plcp_err
), accum_cck
->plcp_err
,
903 delta_cck
->plcp_err
, max_cck
->plcp_err
);
904 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
905 fmt_table
, "crc32_err:",
906 le32_to_cpu(cck
->crc32_err
), accum_cck
->crc32_err
,
907 delta_cck
->crc32_err
, max_cck
->crc32_err
);
908 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
909 fmt_table
, "overrun_err:",
910 le32_to_cpu(cck
->overrun_err
),
911 accum_cck
->overrun_err
, delta_cck
->overrun_err
,
912 max_cck
->overrun_err
);
913 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
914 fmt_table
, "early_overrun_err:",
915 le32_to_cpu(cck
->early_overrun_err
),
916 accum_cck
->early_overrun_err
,
917 delta_cck
->early_overrun_err
,
918 max_cck
->early_overrun_err
);
919 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
920 fmt_table
, "crc32_good:",
921 le32_to_cpu(cck
->crc32_good
), accum_cck
->crc32_good
,
922 delta_cck
->crc32_good
, max_cck
->crc32_good
);
923 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
924 fmt_table
, "false_alarm_cnt:",
925 le32_to_cpu(cck
->false_alarm_cnt
),
926 accum_cck
->false_alarm_cnt
,
927 delta_cck
->false_alarm_cnt
, max_cck
->false_alarm_cnt
);
928 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
929 fmt_table
, "fina_sync_err_cnt:",
930 le32_to_cpu(cck
->fina_sync_err_cnt
),
931 accum_cck
->fina_sync_err_cnt
,
932 delta_cck
->fina_sync_err_cnt
,
933 max_cck
->fina_sync_err_cnt
);
934 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
935 fmt_table
, "sfd_timeout:",
936 le32_to_cpu(cck
->sfd_timeout
),
937 accum_cck
->sfd_timeout
, delta_cck
->sfd_timeout
,
938 max_cck
->sfd_timeout
);
939 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
940 fmt_table
, "fina_timeout:",
941 le32_to_cpu(cck
->fina_timeout
),
942 accum_cck
->fina_timeout
, delta_cck
->fina_timeout
,
943 max_cck
->fina_timeout
);
944 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
945 fmt_table
, "unresponded_rts:",
946 le32_to_cpu(cck
->unresponded_rts
),
947 accum_cck
->unresponded_rts
, delta_cck
->unresponded_rts
,
948 max_cck
->unresponded_rts
);
949 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
950 fmt_table
, "rxe_frame_lmt_ovrun:",
951 le32_to_cpu(cck
->rxe_frame_limit_overrun
),
952 accum_cck
->rxe_frame_limit_overrun
,
953 delta_cck
->rxe_frame_limit_overrun
,
954 max_cck
->rxe_frame_limit_overrun
);
955 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
956 fmt_table
, "sent_ack_cnt:",
957 le32_to_cpu(cck
->sent_ack_cnt
),
958 accum_cck
->sent_ack_cnt
, delta_cck
->sent_ack_cnt
,
959 max_cck
->sent_ack_cnt
);
960 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
961 fmt_table
, "sent_cts_cnt:",
962 le32_to_cpu(cck
->sent_cts_cnt
),
963 accum_cck
->sent_cts_cnt
, delta_cck
->sent_cts_cnt
,
964 max_cck
->sent_cts_cnt
);
965 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
966 fmt_table
, "sent_ba_rsp_cnt:",
967 le32_to_cpu(cck
->sent_ba_rsp_cnt
),
968 accum_cck
->sent_ba_rsp_cnt
,
969 delta_cck
->sent_ba_rsp_cnt
,
970 max_cck
->sent_ba_rsp_cnt
);
971 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
972 fmt_table
, "dsp_self_kill:",
973 le32_to_cpu(cck
->dsp_self_kill
),
974 accum_cck
->dsp_self_kill
, delta_cck
->dsp_self_kill
,
975 max_cck
->dsp_self_kill
);
976 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
977 fmt_table
, "mh_format_err:",
978 le32_to_cpu(cck
->mh_format_err
),
979 accum_cck
->mh_format_err
, delta_cck
->mh_format_err
,
980 max_cck
->mh_format_err
);
981 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
982 fmt_table
, "re_acq_main_rssi_sum:",
983 le32_to_cpu(cck
->re_acq_main_rssi_sum
),
984 accum_cck
->re_acq_main_rssi_sum
,
985 delta_cck
->re_acq_main_rssi_sum
,
986 max_cck
->re_acq_main_rssi_sum
);
988 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
989 fmt_header
, "Statistics_Rx - GENERAL:");
990 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
991 fmt_table
, "bogus_cts:",
992 le32_to_cpu(general
->bogus_cts
),
993 accum_general
->bogus_cts
, delta_general
->bogus_cts
,
994 max_general
->bogus_cts
);
995 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
996 fmt_table
, "bogus_ack:",
997 le32_to_cpu(general
->bogus_ack
),
998 accum_general
->bogus_ack
, delta_general
->bogus_ack
,
999 max_general
->bogus_ack
);
1000 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1001 fmt_table
, "non_bssid_frames:",
1002 le32_to_cpu(general
->non_bssid_frames
),
1003 accum_general
->non_bssid_frames
,
1004 delta_general
->non_bssid_frames
,
1005 max_general
->non_bssid_frames
);
1006 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1007 fmt_table
, "filtered_frames:",
1008 le32_to_cpu(general
->filtered_frames
),
1009 accum_general
->filtered_frames
,
1010 delta_general
->filtered_frames
,
1011 max_general
->filtered_frames
);
1012 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1013 fmt_table
, "non_channel_beacons:",
1014 le32_to_cpu(general
->non_channel_beacons
),
1015 accum_general
->non_channel_beacons
,
1016 delta_general
->non_channel_beacons
,
1017 max_general
->non_channel_beacons
);
1018 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1019 fmt_table
, "channel_beacons:",
1020 le32_to_cpu(general
->channel_beacons
),
1021 accum_general
->channel_beacons
,
1022 delta_general
->channel_beacons
,
1023 max_general
->channel_beacons
);
1024 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1025 fmt_table
, "num_missed_bcon:",
1026 le32_to_cpu(general
->num_missed_bcon
),
1027 accum_general
->num_missed_bcon
,
1028 delta_general
->num_missed_bcon
,
1029 max_general
->num_missed_bcon
);
1030 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1031 fmt_table
, "adc_rx_saturation_time:",
1032 le32_to_cpu(general
->adc_rx_saturation_time
),
1033 accum_general
->adc_rx_saturation_time
,
1034 delta_general
->adc_rx_saturation_time
,
1035 max_general
->adc_rx_saturation_time
);
1036 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1037 fmt_table
, "ina_detect_search_tm:",
1038 le32_to_cpu(general
->ina_detection_search_time
),
1039 accum_general
->ina_detection_search_time
,
1040 delta_general
->ina_detection_search_time
,
1041 max_general
->ina_detection_search_time
);
1042 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1043 fmt_table
, "beacon_silence_rssi_a:",
1044 le32_to_cpu(general
->beacon_silence_rssi_a
),
1045 accum_general
->beacon_silence_rssi_a
,
1046 delta_general
->beacon_silence_rssi_a
,
1047 max_general
->beacon_silence_rssi_a
);
1048 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1049 fmt_table
, "beacon_silence_rssi_b:",
1050 le32_to_cpu(general
->beacon_silence_rssi_b
),
1051 accum_general
->beacon_silence_rssi_b
,
1052 delta_general
->beacon_silence_rssi_b
,
1053 max_general
->beacon_silence_rssi_b
);
1054 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1055 fmt_table
, "beacon_silence_rssi_c:",
1056 le32_to_cpu(general
->beacon_silence_rssi_c
),
1057 accum_general
->beacon_silence_rssi_c
,
1058 delta_general
->beacon_silence_rssi_c
,
1059 max_general
->beacon_silence_rssi_c
);
1060 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1061 fmt_table
, "interference_data_flag:",
1062 le32_to_cpu(general
->interference_data_flag
),
1063 accum_general
->interference_data_flag
,
1064 delta_general
->interference_data_flag
,
1065 max_general
->interference_data_flag
);
1066 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1067 fmt_table
, "channel_load:",
1068 le32_to_cpu(general
->channel_load
),
1069 accum_general
->channel_load
,
1070 delta_general
->channel_load
,
1071 max_general
->channel_load
);
1072 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1073 fmt_table
, "dsp_false_alarms:",
1074 le32_to_cpu(general
->dsp_false_alarms
),
1075 accum_general
->dsp_false_alarms
,
1076 delta_general
->dsp_false_alarms
,
1077 max_general
->dsp_false_alarms
);
1078 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1079 fmt_table
, "beacon_rssi_a:",
1080 le32_to_cpu(general
->beacon_rssi_a
),
1081 accum_general
->beacon_rssi_a
,
1082 delta_general
->beacon_rssi_a
,
1083 max_general
->beacon_rssi_a
);
1084 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1085 fmt_table
, "beacon_rssi_b:",
1086 le32_to_cpu(general
->beacon_rssi_b
),
1087 accum_general
->beacon_rssi_b
,
1088 delta_general
->beacon_rssi_b
,
1089 max_general
->beacon_rssi_b
);
1090 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1091 fmt_table
, "beacon_rssi_c:",
1092 le32_to_cpu(general
->beacon_rssi_c
),
1093 accum_general
->beacon_rssi_c
,
1094 delta_general
->beacon_rssi_c
,
1095 max_general
->beacon_rssi_c
);
1096 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1097 fmt_table
, "beacon_energy_a:",
1098 le32_to_cpu(general
->beacon_energy_a
),
1099 accum_general
->beacon_energy_a
,
1100 delta_general
->beacon_energy_a
,
1101 max_general
->beacon_energy_a
);
1102 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1103 fmt_table
, "beacon_energy_b:",
1104 le32_to_cpu(general
->beacon_energy_b
),
1105 accum_general
->beacon_energy_b
,
1106 delta_general
->beacon_energy_b
,
1107 max_general
->beacon_energy_b
);
1108 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1109 fmt_table
, "beacon_energy_c:",
1110 le32_to_cpu(general
->beacon_energy_c
),
1111 accum_general
->beacon_energy_c
,
1112 delta_general
->beacon_energy_c
,
1113 max_general
->beacon_energy_c
);
1115 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1116 fmt_header
, "Statistics_Rx - OFDM_HT:");
1117 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1118 fmt_table
, "plcp_err:",
1119 le32_to_cpu(ht
->plcp_err
), accum_ht
->plcp_err
,
1120 delta_ht
->plcp_err
, max_ht
->plcp_err
);
1121 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1122 fmt_table
, "overrun_err:",
1123 le32_to_cpu(ht
->overrun_err
), accum_ht
->overrun_err
,
1124 delta_ht
->overrun_err
, max_ht
->overrun_err
);
1125 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1126 fmt_table
, "early_overrun_err:",
1127 le32_to_cpu(ht
->early_overrun_err
),
1128 accum_ht
->early_overrun_err
,
1129 delta_ht
->early_overrun_err
,
1130 max_ht
->early_overrun_err
);
1131 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1132 fmt_table
, "crc32_good:",
1133 le32_to_cpu(ht
->crc32_good
), accum_ht
->crc32_good
,
1134 delta_ht
->crc32_good
, max_ht
->crc32_good
);
1135 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1136 fmt_table
, "crc32_err:",
1137 le32_to_cpu(ht
->crc32_err
), accum_ht
->crc32_err
,
1138 delta_ht
->crc32_err
, max_ht
->crc32_err
);
1139 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1140 fmt_table
, "mh_format_err:",
1141 le32_to_cpu(ht
->mh_format_err
),
1142 accum_ht
->mh_format_err
,
1143 delta_ht
->mh_format_err
, max_ht
->mh_format_err
);
1144 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1145 fmt_table
, "agg_crc32_good:",
1146 le32_to_cpu(ht
->agg_crc32_good
),
1147 accum_ht
->agg_crc32_good
,
1148 delta_ht
->agg_crc32_good
, max_ht
->agg_crc32_good
);
1149 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1150 fmt_table
, "agg_mpdu_cnt:",
1151 le32_to_cpu(ht
->agg_mpdu_cnt
),
1152 accum_ht
->agg_mpdu_cnt
,
1153 delta_ht
->agg_mpdu_cnt
, max_ht
->agg_mpdu_cnt
);
1154 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1155 fmt_table
, "agg_cnt:",
1156 le32_to_cpu(ht
->agg_cnt
), accum_ht
->agg_cnt
,
1157 delta_ht
->agg_cnt
, max_ht
->agg_cnt
);
1158 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1159 fmt_table
, "unsupport_mcs:",
1160 le32_to_cpu(ht
->unsupport_mcs
),
1161 accum_ht
->unsupport_mcs
,
1162 delta_ht
->unsupport_mcs
, max_ht
->unsupport_mcs
);
1164 spin_unlock_bh(&priv
->statistics
.lock
);
1166 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
1171 static ssize_t
iwl_dbgfs_ucode_tx_stats_read(struct file
*file
,
1172 char __user
*user_buf
,
1173 size_t count
, loff_t
*ppos
)
1175 struct iwl_priv
*priv
= file
->private_data
;
1178 int bufsz
= (sizeof(struct statistics_tx
) * 48) + 250;
1180 struct statistics_tx
*tx
, *accum_tx
, *delta_tx
, *max_tx
;
1182 if (!iwl_is_alive(priv
))
1185 buf
= kzalloc(bufsz
, GFP_KERNEL
);
1189 /* the statistic information display here is based on
1190 * the last statistics notification from uCode
1191 * might not reflect the current uCode activity
1193 spin_lock_bh(&priv
->statistics
.lock
);
1195 tx
= &priv
->statistics
.tx
;
1196 accum_tx
= &priv
->accum_stats
.tx
;
1197 delta_tx
= &priv
->delta_stats
.tx
;
1198 max_tx
= &priv
->max_delta_stats
.tx
;
1200 pos
+= iwl_statistics_flag(priv
, buf
, bufsz
);
1201 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1202 fmt_header
, "Statistics_Tx:");
1203 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1204 fmt_table
, "preamble:",
1205 le32_to_cpu(tx
->preamble_cnt
),
1206 accum_tx
->preamble_cnt
,
1207 delta_tx
->preamble_cnt
, max_tx
->preamble_cnt
);
1208 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1209 fmt_table
, "rx_detected_cnt:",
1210 le32_to_cpu(tx
->rx_detected_cnt
),
1211 accum_tx
->rx_detected_cnt
,
1212 delta_tx
->rx_detected_cnt
, max_tx
->rx_detected_cnt
);
1213 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1214 fmt_table
, "bt_prio_defer_cnt:",
1215 le32_to_cpu(tx
->bt_prio_defer_cnt
),
1216 accum_tx
->bt_prio_defer_cnt
,
1217 delta_tx
->bt_prio_defer_cnt
,
1218 max_tx
->bt_prio_defer_cnt
);
1219 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1220 fmt_table
, "bt_prio_kill_cnt:",
1221 le32_to_cpu(tx
->bt_prio_kill_cnt
),
1222 accum_tx
->bt_prio_kill_cnt
,
1223 delta_tx
->bt_prio_kill_cnt
,
1224 max_tx
->bt_prio_kill_cnt
);
1225 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1226 fmt_table
, "few_bytes_cnt:",
1227 le32_to_cpu(tx
->few_bytes_cnt
),
1228 accum_tx
->few_bytes_cnt
,
1229 delta_tx
->few_bytes_cnt
, max_tx
->few_bytes_cnt
);
1230 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1231 fmt_table
, "cts_timeout:",
1232 le32_to_cpu(tx
->cts_timeout
), accum_tx
->cts_timeout
,
1233 delta_tx
->cts_timeout
, max_tx
->cts_timeout
);
1234 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1235 fmt_table
, "ack_timeout:",
1236 le32_to_cpu(tx
->ack_timeout
),
1237 accum_tx
->ack_timeout
,
1238 delta_tx
->ack_timeout
, max_tx
->ack_timeout
);
1239 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1240 fmt_table
, "expected_ack_cnt:",
1241 le32_to_cpu(tx
->expected_ack_cnt
),
1242 accum_tx
->expected_ack_cnt
,
1243 delta_tx
->expected_ack_cnt
,
1244 max_tx
->expected_ack_cnt
);
1245 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1246 fmt_table
, "actual_ack_cnt:",
1247 le32_to_cpu(tx
->actual_ack_cnt
),
1248 accum_tx
->actual_ack_cnt
,
1249 delta_tx
->actual_ack_cnt
,
1250 max_tx
->actual_ack_cnt
);
1251 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1252 fmt_table
, "dump_msdu_cnt:",
1253 le32_to_cpu(tx
->dump_msdu_cnt
),
1254 accum_tx
->dump_msdu_cnt
,
1255 delta_tx
->dump_msdu_cnt
,
1256 max_tx
->dump_msdu_cnt
);
1257 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1258 fmt_table
, "abort_nxt_frame_mismatch:",
1259 le32_to_cpu(tx
->burst_abort_next_frame_mismatch_cnt
),
1260 accum_tx
->burst_abort_next_frame_mismatch_cnt
,
1261 delta_tx
->burst_abort_next_frame_mismatch_cnt
,
1262 max_tx
->burst_abort_next_frame_mismatch_cnt
);
1263 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1264 fmt_table
, "abort_missing_nxt_frame:",
1265 le32_to_cpu(tx
->burst_abort_missing_next_frame_cnt
),
1266 accum_tx
->burst_abort_missing_next_frame_cnt
,
1267 delta_tx
->burst_abort_missing_next_frame_cnt
,
1268 max_tx
->burst_abort_missing_next_frame_cnt
);
1269 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1270 fmt_table
, "cts_timeout_collision:",
1271 le32_to_cpu(tx
->cts_timeout_collision
),
1272 accum_tx
->cts_timeout_collision
,
1273 delta_tx
->cts_timeout_collision
,
1274 max_tx
->cts_timeout_collision
);
1275 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1276 fmt_table
, "ack_ba_timeout_collision:",
1277 le32_to_cpu(tx
->ack_or_ba_timeout_collision
),
1278 accum_tx
->ack_or_ba_timeout_collision
,
1279 delta_tx
->ack_or_ba_timeout_collision
,
1280 max_tx
->ack_or_ba_timeout_collision
);
1281 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1282 fmt_table
, "agg ba_timeout:",
1283 le32_to_cpu(tx
->agg
.ba_timeout
),
1284 accum_tx
->agg
.ba_timeout
,
1285 delta_tx
->agg
.ba_timeout
,
1286 max_tx
->agg
.ba_timeout
);
1287 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1288 fmt_table
, "agg ba_resched_frames:",
1289 le32_to_cpu(tx
->agg
.ba_reschedule_frames
),
1290 accum_tx
->agg
.ba_reschedule_frames
,
1291 delta_tx
->agg
.ba_reschedule_frames
,
1292 max_tx
->agg
.ba_reschedule_frames
);
1293 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1294 fmt_table
, "agg scd_query_agg_frame:",
1295 le32_to_cpu(tx
->agg
.scd_query_agg_frame_cnt
),
1296 accum_tx
->agg
.scd_query_agg_frame_cnt
,
1297 delta_tx
->agg
.scd_query_agg_frame_cnt
,
1298 max_tx
->agg
.scd_query_agg_frame_cnt
);
1299 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1300 fmt_table
, "agg scd_query_no_agg:",
1301 le32_to_cpu(tx
->agg
.scd_query_no_agg
),
1302 accum_tx
->agg
.scd_query_no_agg
,
1303 delta_tx
->agg
.scd_query_no_agg
,
1304 max_tx
->agg
.scd_query_no_agg
);
1305 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1306 fmt_table
, "agg scd_query_agg:",
1307 le32_to_cpu(tx
->agg
.scd_query_agg
),
1308 accum_tx
->agg
.scd_query_agg
,
1309 delta_tx
->agg
.scd_query_agg
,
1310 max_tx
->agg
.scd_query_agg
);
1311 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1312 fmt_table
, "agg scd_query_mismatch:",
1313 le32_to_cpu(tx
->agg
.scd_query_mismatch
),
1314 accum_tx
->agg
.scd_query_mismatch
,
1315 delta_tx
->agg
.scd_query_mismatch
,
1316 max_tx
->agg
.scd_query_mismatch
);
1317 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1318 fmt_table
, "agg frame_not_ready:",
1319 le32_to_cpu(tx
->agg
.frame_not_ready
),
1320 accum_tx
->agg
.frame_not_ready
,
1321 delta_tx
->agg
.frame_not_ready
,
1322 max_tx
->agg
.frame_not_ready
);
1323 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1324 fmt_table
, "agg underrun:",
1325 le32_to_cpu(tx
->agg
.underrun
),
1326 accum_tx
->agg
.underrun
,
1327 delta_tx
->agg
.underrun
, max_tx
->agg
.underrun
);
1328 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1329 fmt_table
, "agg bt_prio_kill:",
1330 le32_to_cpu(tx
->agg
.bt_prio_kill
),
1331 accum_tx
->agg
.bt_prio_kill
,
1332 delta_tx
->agg
.bt_prio_kill
,
1333 max_tx
->agg
.bt_prio_kill
);
1334 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1335 fmt_table
, "agg rx_ba_rsp_cnt:",
1336 le32_to_cpu(tx
->agg
.rx_ba_rsp_cnt
),
1337 accum_tx
->agg
.rx_ba_rsp_cnt
,
1338 delta_tx
->agg
.rx_ba_rsp_cnt
,
1339 max_tx
->agg
.rx_ba_rsp_cnt
);
1341 if (tx
->tx_power
.ant_a
|| tx
->tx_power
.ant_b
|| tx
->tx_power
.ant_c
) {
1342 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1343 "tx power: (1/2 dB step)\n");
1344 if ((priv
->hw_params
.valid_tx_ant
& ANT_A
) &&
1346 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1347 fmt_hex
, "antenna A:",
1348 tx
->tx_power
.ant_a
);
1349 if ((priv
->hw_params
.valid_tx_ant
& ANT_B
) &&
1351 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1352 fmt_hex
, "antenna B:",
1353 tx
->tx_power
.ant_b
);
1354 if ((priv
->hw_params
.valid_tx_ant
& ANT_C
) &&
1356 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1357 fmt_hex
, "antenna C:",
1358 tx
->tx_power
.ant_c
);
1361 spin_unlock_bh(&priv
->statistics
.lock
);
1363 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
1368 static ssize_t
iwl_dbgfs_ucode_general_stats_read(struct file
*file
,
1369 char __user
*user_buf
,
1370 size_t count
, loff_t
*ppos
)
1372 struct iwl_priv
*priv
= file
->private_data
;
1375 int bufsz
= sizeof(struct statistics_general
) * 10 + 300;
1377 struct statistics_general_common
*general
, *accum_general
;
1378 struct statistics_general_common
*delta_general
, *max_general
;
1379 struct statistics_dbg
*dbg
, *accum_dbg
, *delta_dbg
, *max_dbg
;
1380 struct statistics_div
*div
, *accum_div
, *delta_div
, *max_div
;
1382 if (!iwl_is_alive(priv
))
1385 buf
= kzalloc(bufsz
, GFP_KERNEL
);
1389 /* the statistic information display here is based on
1390 * the last statistics notification from uCode
1391 * might not reflect the current uCode activity
1394 spin_lock_bh(&priv
->statistics
.lock
);
1396 general
= &priv
->statistics
.common
;
1397 dbg
= &priv
->statistics
.common
.dbg
;
1398 div
= &priv
->statistics
.common
.div
;
1399 accum_general
= &priv
->accum_stats
.common
;
1400 accum_dbg
= &priv
->accum_stats
.common
.dbg
;
1401 accum_div
= &priv
->accum_stats
.common
.div
;
1402 delta_general
= &priv
->delta_stats
.common
;
1403 max_general
= &priv
->max_delta_stats
.common
;
1404 delta_dbg
= &priv
->delta_stats
.common
.dbg
;
1405 max_dbg
= &priv
->max_delta_stats
.common
.dbg
;
1406 delta_div
= &priv
->delta_stats
.common
.div
;
1407 max_div
= &priv
->max_delta_stats
.common
.div
;
1409 pos
+= iwl_statistics_flag(priv
, buf
, bufsz
);
1410 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1411 fmt_header
, "Statistics_General:");
1412 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1413 fmt_value
, "temperature:",
1414 le32_to_cpu(general
->temperature
));
1415 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1416 fmt_value
, "temperature_m:",
1417 le32_to_cpu(general
->temperature_m
));
1418 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1419 fmt_value
, "ttl_timestamp:",
1420 le32_to_cpu(general
->ttl_timestamp
));
1421 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1422 fmt_table
, "burst_check:",
1423 le32_to_cpu(dbg
->burst_check
),
1424 accum_dbg
->burst_check
,
1425 delta_dbg
->burst_check
, max_dbg
->burst_check
);
1426 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1427 fmt_table
, "burst_count:",
1428 le32_to_cpu(dbg
->burst_count
),
1429 accum_dbg
->burst_count
,
1430 delta_dbg
->burst_count
, max_dbg
->burst_count
);
1431 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1432 fmt_table
, "wait_for_silence_timeout_count:",
1433 le32_to_cpu(dbg
->wait_for_silence_timeout_cnt
),
1434 accum_dbg
->wait_for_silence_timeout_cnt
,
1435 delta_dbg
->wait_for_silence_timeout_cnt
,
1436 max_dbg
->wait_for_silence_timeout_cnt
);
1437 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1438 fmt_table
, "sleep_time:",
1439 le32_to_cpu(general
->sleep_time
),
1440 accum_general
->sleep_time
,
1441 delta_general
->sleep_time
, max_general
->sleep_time
);
1442 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1443 fmt_table
, "slots_out:",
1444 le32_to_cpu(general
->slots_out
),
1445 accum_general
->slots_out
,
1446 delta_general
->slots_out
, max_general
->slots_out
);
1447 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1448 fmt_table
, "slots_idle:",
1449 le32_to_cpu(general
->slots_idle
),
1450 accum_general
->slots_idle
,
1451 delta_general
->slots_idle
, max_general
->slots_idle
);
1452 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1453 fmt_table
, "tx_on_a:",
1454 le32_to_cpu(div
->tx_on_a
), accum_div
->tx_on_a
,
1455 delta_div
->tx_on_a
, max_div
->tx_on_a
);
1456 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1457 fmt_table
, "tx_on_b:",
1458 le32_to_cpu(div
->tx_on_b
), accum_div
->tx_on_b
,
1459 delta_div
->tx_on_b
, max_div
->tx_on_b
);
1460 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1461 fmt_table
, "exec_time:",
1462 le32_to_cpu(div
->exec_time
), accum_div
->exec_time
,
1463 delta_div
->exec_time
, max_div
->exec_time
);
1464 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1465 fmt_table
, "probe_time:",
1466 le32_to_cpu(div
->probe_time
), accum_div
->probe_time
,
1467 delta_div
->probe_time
, max_div
->probe_time
);
1468 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1469 fmt_table
, "rx_enable_counter:",
1470 le32_to_cpu(general
->rx_enable_counter
),
1471 accum_general
->rx_enable_counter
,
1472 delta_general
->rx_enable_counter
,
1473 max_general
->rx_enable_counter
);
1474 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1475 fmt_table
, "num_of_sos_states:",
1476 le32_to_cpu(general
->num_of_sos_states
),
1477 accum_general
->num_of_sos_states
,
1478 delta_general
->num_of_sos_states
,
1479 max_general
->num_of_sos_states
);
1481 spin_unlock_bh(&priv
->statistics
.lock
);
1483 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
1488 static ssize_t
iwl_dbgfs_ucode_bt_stats_read(struct file
*file
,
1489 char __user
*user_buf
,
1490 size_t count
, loff_t
*ppos
)
1492 struct iwl_priv
*priv
= (struct iwl_priv
*)file
->private_data
;
1495 int bufsz
= (sizeof(struct statistics_bt_activity
) * 24) + 200;
1497 struct statistics_bt_activity
*bt
, *accum_bt
;
1499 if (!iwl_is_alive(priv
))
1502 if (!priv
->bt_enable_flag
)
1505 /* make request to uCode to retrieve statistics information */
1506 mutex_lock(&priv
->mutex
);
1507 ret
= iwl_send_statistics_request(priv
, CMD_SYNC
, false);
1508 mutex_unlock(&priv
->mutex
);
1512 buf
= kzalloc(bufsz
, GFP_KERNEL
);
1517 * the statistic information display here is based on
1518 * the last statistics notification from uCode
1519 * might not reflect the current uCode activity
1522 spin_lock_bh(&priv
->statistics
.lock
);
1524 bt
= &priv
->statistics
.bt_activity
;
1525 accum_bt
= &priv
->accum_stats
.bt_activity
;
1527 pos
+= iwl_statistics_flag(priv
, buf
, bufsz
);
1528 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "Statistics_BT:\n");
1529 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1530 "\t\t\tcurrent\t\t\taccumulative\n");
1531 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1532 "hi_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1533 le32_to_cpu(bt
->hi_priority_tx_req_cnt
),
1534 accum_bt
->hi_priority_tx_req_cnt
);
1535 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1536 "hi_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1537 le32_to_cpu(bt
->hi_priority_tx_denied_cnt
),
1538 accum_bt
->hi_priority_tx_denied_cnt
);
1539 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1540 "lo_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1541 le32_to_cpu(bt
->lo_priority_tx_req_cnt
),
1542 accum_bt
->lo_priority_tx_req_cnt
);
1543 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1544 "lo_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1545 le32_to_cpu(bt
->lo_priority_tx_denied_cnt
),
1546 accum_bt
->lo_priority_tx_denied_cnt
);
1547 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1548 "hi_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1549 le32_to_cpu(bt
->hi_priority_rx_req_cnt
),
1550 accum_bt
->hi_priority_rx_req_cnt
);
1551 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1552 "hi_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1553 le32_to_cpu(bt
->hi_priority_rx_denied_cnt
),
1554 accum_bt
->hi_priority_rx_denied_cnt
);
1555 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1556 "lo_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1557 le32_to_cpu(bt
->lo_priority_rx_req_cnt
),
1558 accum_bt
->lo_priority_rx_req_cnt
);
1559 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1560 "lo_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1561 le32_to_cpu(bt
->lo_priority_rx_denied_cnt
),
1562 accum_bt
->lo_priority_rx_denied_cnt
);
1564 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1565 "(rx)num_bt_kills:\t\t%u\t\t\t%u\n",
1566 le32_to_cpu(priv
->statistics
.num_bt_kills
),
1567 priv
->statistics
.accum_num_bt_kills
);
1569 spin_unlock_bh(&priv
->statistics
.lock
);
1571 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
1576 static ssize_t
iwl_dbgfs_reply_tx_error_read(struct file
*file
,
1577 char __user
*user_buf
,
1578 size_t count
, loff_t
*ppos
)
1580 struct iwl_priv
*priv
= (struct iwl_priv
*)file
->private_data
;
1583 int bufsz
= (sizeof(struct reply_tx_error_statistics
) * 24) +
1584 (sizeof(struct reply_agg_tx_error_statistics
) * 24) + 200;
1587 if (!iwl_is_alive(priv
))
1590 buf
= kzalloc(bufsz
, GFP_KERNEL
);
1594 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "Statistics_TX_Error:\n");
1595 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t\t%u\n",
1596 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_DELAY
),
1597 priv
->reply_tx_stats
.pp_delay
);
1598 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1599 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_FEW_BYTES
),
1600 priv
->reply_tx_stats
.pp_few_bytes
);
1601 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1602 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_BT_PRIO
),
1603 priv
->reply_tx_stats
.pp_bt_prio
);
1604 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1605 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_QUIET_PERIOD
),
1606 priv
->reply_tx_stats
.pp_quiet_period
);
1607 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1608 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_CALC_TTAK
),
1609 priv
->reply_tx_stats
.pp_calc_ttak
);
1610 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t%u\n",
1611 iwl_get_tx_fail_reason(
1612 TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY
),
1613 priv
->reply_tx_stats
.int_crossed_retry
);
1614 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1615 iwl_get_tx_fail_reason(TX_STATUS_FAIL_SHORT_LIMIT
),
1616 priv
->reply_tx_stats
.short_limit
);
1617 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1618 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LONG_LIMIT
),
1619 priv
->reply_tx_stats
.long_limit
);
1620 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1621 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_UNDERRUN
),
1622 priv
->reply_tx_stats
.fifo_underrun
);
1623 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1624 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DRAIN_FLOW
),
1625 priv
->reply_tx_stats
.drain_flow
);
1626 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1627 iwl_get_tx_fail_reason(TX_STATUS_FAIL_RFKILL_FLUSH
),
1628 priv
->reply_tx_stats
.rfkill_flush
);
1629 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1630 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LIFE_EXPIRE
),
1631 priv
->reply_tx_stats
.life_expire
);
1632 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1633 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DEST_PS
),
1634 priv
->reply_tx_stats
.dest_ps
);
1635 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1636 iwl_get_tx_fail_reason(TX_STATUS_FAIL_HOST_ABORTED
),
1637 priv
->reply_tx_stats
.host_abort
);
1638 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1639 iwl_get_tx_fail_reason(TX_STATUS_FAIL_BT_RETRY
),
1640 priv
->reply_tx_stats
.pp_delay
);
1641 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1642 iwl_get_tx_fail_reason(TX_STATUS_FAIL_STA_INVALID
),
1643 priv
->reply_tx_stats
.sta_invalid
);
1644 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1645 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FRAG_DROPPED
),
1646 priv
->reply_tx_stats
.frag_drop
);
1647 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1648 iwl_get_tx_fail_reason(TX_STATUS_FAIL_TID_DISABLE
),
1649 priv
->reply_tx_stats
.tid_disable
);
1650 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1651 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_FLUSHED
),
1652 priv
->reply_tx_stats
.fifo_flush
);
1653 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t%u\n",
1654 iwl_get_tx_fail_reason(
1655 TX_STATUS_FAIL_INSUFFICIENT_CF_POLL
),
1656 priv
->reply_tx_stats
.insuff_cf_poll
);
1657 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1658 iwl_get_tx_fail_reason(TX_STATUS_FAIL_PASSIVE_NO_RX
),
1659 priv
->reply_tx_stats
.fail_hw_drop
);
1660 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t%u\n",
1661 iwl_get_tx_fail_reason(
1662 TX_STATUS_FAIL_NO_BEACON_ON_RADAR
),
1663 priv
->reply_tx_stats
.sta_color_mismatch
);
1664 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "UNKNOWN:\t\t\t%u\n",
1665 priv
->reply_tx_stats
.unknown
);
1667 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1668 "\nStatistics_Agg_TX_Error:\n");
1670 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1671 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_UNDERRUN_MSK
),
1672 priv
->reply_agg_tx_stats
.underrun
);
1673 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1674 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_BT_PRIO_MSK
),
1675 priv
->reply_agg_tx_stats
.bt_prio
);
1676 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1677 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_FEW_BYTES_MSK
),
1678 priv
->reply_agg_tx_stats
.few_bytes
);
1679 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1680 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_ABORT_MSK
),
1681 priv
->reply_agg_tx_stats
.abort
);
1682 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t%u\n",
1683 iwl_get_agg_tx_fail_reason(
1684 AGG_TX_STATE_LAST_SENT_TTL_MSK
),
1685 priv
->reply_agg_tx_stats
.last_sent_ttl
);
1686 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t%u\n",
1687 iwl_get_agg_tx_fail_reason(
1688 AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK
),
1689 priv
->reply_agg_tx_stats
.last_sent_try
);
1690 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t%u\n",
1691 iwl_get_agg_tx_fail_reason(
1692 AGG_TX_STATE_LAST_SENT_BT_KILL_MSK
),
1693 priv
->reply_agg_tx_stats
.last_sent_bt_kill
);
1694 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1695 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_SCD_QUERY_MSK
),
1696 priv
->reply_agg_tx_stats
.scd_query
);
1697 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t%u\n",
1698 iwl_get_agg_tx_fail_reason(
1699 AGG_TX_STATE_TEST_BAD_CRC32_MSK
),
1700 priv
->reply_agg_tx_stats
.bad_crc32
);
1701 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1702 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_RESPONSE_MSK
),
1703 priv
->reply_agg_tx_stats
.response
);
1704 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1705 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DUMP_TX_MSK
),
1706 priv
->reply_agg_tx_stats
.dump_tx
);
1707 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1708 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DELAY_TX_MSK
),
1709 priv
->reply_agg_tx_stats
.delay_tx
);
1710 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "UNKNOWN:\t\t\t%u\n",
1711 priv
->reply_agg_tx_stats
.unknown
);
1713 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
1718 static ssize_t
iwl_dbgfs_sensitivity_read(struct file
*file
,
1719 char __user
*user_buf
,
1720 size_t count
, loff_t
*ppos
) {
1722 struct iwl_priv
*priv
= file
->private_data
;
1726 int bufsz
= sizeof(struct iwl_sensitivity_data
) * 4 + 100;
1728 struct iwl_sensitivity_data
*data
;
1730 data
= &priv
->sensitivity_data
;
1731 buf
= kzalloc(bufsz
, GFP_KERNEL
);
1735 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "auto_corr_ofdm:\t\t\t %u\n",
1736 data
->auto_corr_ofdm
);
1737 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1738 "auto_corr_ofdm_mrc:\t\t %u\n",
1739 data
->auto_corr_ofdm_mrc
);
1740 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "auto_corr_ofdm_x1:\t\t %u\n",
1741 data
->auto_corr_ofdm_x1
);
1742 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1743 "auto_corr_ofdm_mrc_x1:\t\t %u\n",
1744 data
->auto_corr_ofdm_mrc_x1
);
1745 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "auto_corr_cck:\t\t\t %u\n",
1746 data
->auto_corr_cck
);
1747 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "auto_corr_cck_mrc:\t\t %u\n",
1748 data
->auto_corr_cck_mrc
);
1749 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1750 "last_bad_plcp_cnt_ofdm:\t\t %u\n",
1751 data
->last_bad_plcp_cnt_ofdm
);
1752 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "last_fa_cnt_ofdm:\t\t %u\n",
1753 data
->last_fa_cnt_ofdm
);
1754 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1755 "last_bad_plcp_cnt_cck:\t\t %u\n",
1756 data
->last_bad_plcp_cnt_cck
);
1757 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "last_fa_cnt_cck:\t\t %u\n",
1758 data
->last_fa_cnt_cck
);
1759 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "nrg_curr_state:\t\t\t %u\n",
1760 data
->nrg_curr_state
);
1761 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "nrg_prev_state:\t\t\t %u\n",
1762 data
->nrg_prev_state
);
1763 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "nrg_value:\t\t\t");
1764 for (cnt
= 0; cnt
< 10; cnt
++) {
1765 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, " %u",
1766 data
->nrg_value
[cnt
]);
1768 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "\n");
1769 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "nrg_silence_rssi:\t\t");
1770 for (cnt
= 0; cnt
< NRG_NUM_PREV_STAT_L
; cnt
++) {
1771 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, " %u",
1772 data
->nrg_silence_rssi
[cnt
]);
1774 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "\n");
1775 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "nrg_silence_ref:\t\t %u\n",
1776 data
->nrg_silence_ref
);
1777 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "nrg_energy_idx:\t\t\t %u\n",
1778 data
->nrg_energy_idx
);
1779 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "nrg_silence_idx:\t\t %u\n",
1780 data
->nrg_silence_idx
);
1781 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "nrg_th_cck:\t\t\t %u\n",
1783 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1784 "nrg_auto_corr_silence_diff:\t %u\n",
1785 data
->nrg_auto_corr_silence_diff
);
1786 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "num_in_cck_no_fa:\t\t %u\n",
1787 data
->num_in_cck_no_fa
);
1788 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "nrg_th_ofdm:\t\t\t %u\n",
1791 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
1797 static ssize_t
iwl_dbgfs_chain_noise_read(struct file
*file
,
1798 char __user
*user_buf
,
1799 size_t count
, loff_t
*ppos
) {
1801 struct iwl_priv
*priv
= file
->private_data
;
1805 int bufsz
= sizeof(struct iwl_chain_noise_data
) * 4 + 100;
1807 struct iwl_chain_noise_data
*data
;
1809 data
= &priv
->chain_noise_data
;
1810 buf
= kzalloc(bufsz
, GFP_KERNEL
);
1814 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "active_chains:\t\t\t %u\n",
1815 data
->active_chains
);
1816 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "chain_noise_a:\t\t\t %u\n",
1817 data
->chain_noise_a
);
1818 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "chain_noise_b:\t\t\t %u\n",
1819 data
->chain_noise_b
);
1820 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "chain_noise_c:\t\t\t %u\n",
1821 data
->chain_noise_c
);
1822 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "chain_signal_a:\t\t\t %u\n",
1823 data
->chain_signal_a
);
1824 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "chain_signal_b:\t\t\t %u\n",
1825 data
->chain_signal_b
);
1826 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "chain_signal_c:\t\t\t %u\n",
1827 data
->chain_signal_c
);
1828 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "beacon_count:\t\t\t %u\n",
1829 data
->beacon_count
);
1831 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "disconn_array:\t\t\t");
1832 for (cnt
= 0; cnt
< NUM_RX_CHAINS
; cnt
++) {
1833 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, " %u",
1834 data
->disconn_array
[cnt
]);
1836 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "\n");
1837 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "delta_gain_code:\t\t");
1838 for (cnt
= 0; cnt
< NUM_RX_CHAINS
; cnt
++) {
1839 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, " %u",
1840 data
->delta_gain_code
[cnt
]);
1842 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "\n");
1843 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "radio_write:\t\t\t %u\n",
1845 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "state:\t\t\t\t %u\n",
1848 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
1853 static ssize_t
iwl_dbgfs_power_save_status_read(struct file
*file
,
1854 char __user
*user_buf
,
1855 size_t count
, loff_t
*ppos
)
1857 struct iwl_priv
*priv
= file
->private_data
;
1860 const size_t bufsz
= sizeof(buf
);
1863 pwrsave_status
= iwl_read32(priv
->trans
, CSR_GP_CNTRL
) &
1864 CSR_GP_REG_POWER_SAVE_STATUS_MSK
;
1866 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "Power Save Status: ");
1867 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s\n",
1868 (pwrsave_status
== CSR_GP_REG_NO_POWER_SAVE
) ? "none" :
1869 (pwrsave_status
== CSR_GP_REG_MAC_POWER_SAVE
) ? "MAC" :
1870 (pwrsave_status
== CSR_GP_REG_PHY_POWER_SAVE
) ? "PHY" :
1873 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
1876 static ssize_t
iwl_dbgfs_clear_ucode_statistics_write(struct file
*file
,
1877 const char __user
*user_buf
,
1878 size_t count
, loff_t
*ppos
)
1880 struct iwl_priv
*priv
= file
->private_data
;
1885 memset(buf
, 0, sizeof(buf
));
1886 buf_size
= min(count
, sizeof(buf
) - 1);
1887 if (copy_from_user(buf
, user_buf
, buf_size
))
1889 if (sscanf(buf
, "%d", &clear
) != 1)
1892 /* make request to uCode to retrieve statistics information */
1893 mutex_lock(&priv
->mutex
);
1894 iwl_send_statistics_request(priv
, CMD_SYNC
, true);
1895 mutex_unlock(&priv
->mutex
);
1900 static ssize_t
iwl_dbgfs_ucode_tracing_read(struct file
*file
,
1901 char __user
*user_buf
,
1902 size_t count
, loff_t
*ppos
) {
1904 struct iwl_priv
*priv
= file
->private_data
;
1907 const size_t bufsz
= sizeof(buf
);
1909 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "ucode trace timer is %s\n",
1910 priv
->event_log
.ucode_trace
? "On" : "Off");
1911 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "non_wraps_count:\t\t %u\n",
1912 priv
->event_log
.non_wraps_count
);
1913 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "wraps_once_count:\t\t %u\n",
1914 priv
->event_log
.wraps_once_count
);
1915 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "wraps_more_count:\t\t %u\n",
1916 priv
->event_log
.wraps_more_count
);
1918 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
1921 static ssize_t
iwl_dbgfs_ucode_tracing_write(struct file
*file
,
1922 const char __user
*user_buf
,
1923 size_t count
, loff_t
*ppos
)
1925 struct iwl_priv
*priv
= file
->private_data
;
1930 memset(buf
, 0, sizeof(buf
));
1931 buf_size
= min(count
, sizeof(buf
) - 1);
1932 if (copy_from_user(buf
, user_buf
, buf_size
))
1934 if (sscanf(buf
, "%d", &trace
) != 1)
1938 priv
->event_log
.ucode_trace
= true;
1939 if (iwl_is_alive(priv
)) {
1940 /* start collecting data now */
1941 mod_timer(&priv
->ucode_trace
, jiffies
);
1944 priv
->event_log
.ucode_trace
= false;
1945 del_timer_sync(&priv
->ucode_trace
);
1951 static ssize_t
iwl_dbgfs_rxon_flags_read(struct file
*file
,
1952 char __user
*user_buf
,
1953 size_t count
, loff_t
*ppos
) {
1955 struct iwl_priv
*priv
= file
->private_data
;
1959 len
= sprintf(buf
, "0x%04X\n",
1960 le32_to_cpu(priv
->contexts
[IWL_RXON_CTX_BSS
].active
.flags
));
1961 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
1964 static ssize_t
iwl_dbgfs_rxon_filter_flags_read(struct file
*file
,
1965 char __user
*user_buf
,
1966 size_t count
, loff_t
*ppos
) {
1968 struct iwl_priv
*priv
= file
->private_data
;
1972 len
= sprintf(buf
, "0x%04X\n",
1973 le32_to_cpu(priv
->contexts
[IWL_RXON_CTX_BSS
].active
.filter_flags
));
1974 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
1977 static ssize_t
iwl_dbgfs_missed_beacon_read(struct file
*file
,
1978 char __user
*user_buf
,
1979 size_t count
, loff_t
*ppos
) {
1981 struct iwl_priv
*priv
= file
->private_data
;
1984 const size_t bufsz
= sizeof(buf
);
1986 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%d\n",
1987 priv
->missed_beacon_threshold
);
1989 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
1992 static ssize_t
iwl_dbgfs_missed_beacon_write(struct file
*file
,
1993 const char __user
*user_buf
,
1994 size_t count
, loff_t
*ppos
)
1996 struct iwl_priv
*priv
= file
->private_data
;
2001 memset(buf
, 0, sizeof(buf
));
2002 buf_size
= min(count
, sizeof(buf
) - 1);
2003 if (copy_from_user(buf
, user_buf
, buf_size
))
2005 if (sscanf(buf
, "%d", &missed
) != 1)
2008 if (missed
< IWL_MISSED_BEACON_THRESHOLD_MIN
||
2009 missed
> IWL_MISSED_BEACON_THRESHOLD_MAX
)
2010 priv
->missed_beacon_threshold
=
2011 IWL_MISSED_BEACON_THRESHOLD_DEF
;
2013 priv
->missed_beacon_threshold
= missed
;
2018 static ssize_t
iwl_dbgfs_plcp_delta_read(struct file
*file
,
2019 char __user
*user_buf
,
2020 size_t count
, loff_t
*ppos
) {
2022 struct iwl_priv
*priv
= file
->private_data
;
2025 const size_t bufsz
= sizeof(buf
);
2027 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%u\n",
2028 priv
->plcp_delta_threshold
);
2030 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
2033 static ssize_t
iwl_dbgfs_plcp_delta_write(struct file
*file
,
2034 const char __user
*user_buf
,
2035 size_t count
, loff_t
*ppos
) {
2037 struct iwl_priv
*priv
= file
->private_data
;
2042 memset(buf
, 0, sizeof(buf
));
2043 buf_size
= min(count
, sizeof(buf
) - 1);
2044 if (copy_from_user(buf
, user_buf
, buf_size
))
2046 if (sscanf(buf
, "%d", &plcp
) != 1)
2048 if ((plcp
< IWL_MAX_PLCP_ERR_THRESHOLD_MIN
) ||
2049 (plcp
> IWL_MAX_PLCP_ERR_THRESHOLD_MAX
))
2050 priv
->plcp_delta_threshold
=
2051 IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE
;
2053 priv
->plcp_delta_threshold
= plcp
;
2057 static ssize_t
iwl_dbgfs_rf_reset_read(struct file
*file
,
2058 char __user
*user_buf
,
2059 size_t count
, loff_t
*ppos
)
2061 struct iwl_priv
*priv
= file
->private_data
;
2064 const size_t bufsz
= sizeof(buf
);
2065 struct iwl_rf_reset
*rf_reset
= &priv
->rf_reset
;
2067 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
2068 "RF reset statistics\n");
2069 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
2070 "\tnumber of reset request: %d\n",
2071 rf_reset
->reset_request_count
);
2072 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
2073 "\tnumber of reset request success: %d\n",
2074 rf_reset
->reset_success_count
);
2075 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
2076 "\tnumber of reset request reject: %d\n",
2077 rf_reset
->reset_reject_count
);
2079 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
2082 static ssize_t
iwl_dbgfs_rf_reset_write(struct file
*file
,
2083 const char __user
*user_buf
,
2084 size_t count
, loff_t
*ppos
) {
2086 struct iwl_priv
*priv
= file
->private_data
;
2089 ret
= iwl_force_rf_reset(priv
, true);
2090 return ret
? ret
: count
;
2093 static ssize_t
iwl_dbgfs_txfifo_flush_write(struct file
*file
,
2094 const char __user
*user_buf
,
2095 size_t count
, loff_t
*ppos
) {
2097 struct iwl_priv
*priv
= file
->private_data
;
2102 memset(buf
, 0, sizeof(buf
));
2103 buf_size
= min(count
, sizeof(buf
) - 1);
2104 if (copy_from_user(buf
, user_buf
, buf_size
))
2106 if (sscanf(buf
, "%d", &flush
) != 1)
2109 if (iwl_is_rfkill(priv
))
2112 iwlagn_dev_txfifo_flush(priv
, IWL_DROP_ALL
);
2117 static ssize_t
iwl_dbgfs_bt_traffic_read(struct file
*file
,
2118 char __user
*user_buf
,
2119 size_t count
, loff_t
*ppos
) {
2121 struct iwl_priv
*priv
= (struct iwl_priv
*)file
->private_data
;
2124 const size_t bufsz
= sizeof(buf
);
2126 if (!priv
->bt_enable_flag
) {
2127 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "BT coex disabled\n");
2128 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
2130 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "BT enable flag: 0x%x\n",
2131 priv
->bt_enable_flag
);
2132 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "BT in %s mode\n",
2133 priv
->bt_full_concurrent
? "full concurrency" : "3-wire");
2134 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "BT status: %s, "
2135 "last traffic notif: %d\n",
2136 priv
->bt_status
? "On" : "Off", priv
->last_bt_traffic_load
);
2137 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "ch_announcement: %d, "
2138 "kill_ack_mask: %x, kill_cts_mask: %x\n",
2139 priv
->bt_ch_announce
, priv
->kill_ack_mask
,
2140 priv
->kill_cts_mask
);
2142 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "bluetooth traffic load: ");
2143 switch (priv
->bt_traffic_load
) {
2144 case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS
:
2145 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "Continuous\n");
2147 case IWL_BT_COEX_TRAFFIC_LOAD_HIGH
:
2148 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "High\n");
2150 case IWL_BT_COEX_TRAFFIC_LOAD_LOW
:
2151 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "Low\n");
2153 case IWL_BT_COEX_TRAFFIC_LOAD_NONE
:
2155 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "None\n");
2159 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
2162 static ssize_t
iwl_dbgfs_protection_mode_read(struct file
*file
,
2163 char __user
*user_buf
,
2164 size_t count
, loff_t
*ppos
)
2166 struct iwl_priv
*priv
= (struct iwl_priv
*)file
->private_data
;
2170 const size_t bufsz
= sizeof(buf
);
2172 if (priv
->cfg
->ht_params
)
2173 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
2174 "use %s for aggregation\n",
2175 (priv
->hw_params
.use_rts_for_aggregation
) ?
2176 "rts/cts" : "cts-to-self");
2178 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "N/A");
2180 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
2183 static ssize_t
iwl_dbgfs_protection_mode_write(struct file
*file
,
2184 const char __user
*user_buf
,
2185 size_t count
, loff_t
*ppos
) {
2187 struct iwl_priv
*priv
= file
->private_data
;
2192 if (!priv
->cfg
->ht_params
)
2195 memset(buf
, 0, sizeof(buf
));
2196 buf_size
= min(count
, sizeof(buf
) - 1);
2197 if (copy_from_user(buf
, user_buf
, buf_size
))
2199 if (sscanf(buf
, "%d", &rts
) != 1)
2202 priv
->hw_params
.use_rts_for_aggregation
= true;
2204 priv
->hw_params
.use_rts_for_aggregation
= false;
2208 static int iwl_cmd_echo_test(struct iwl_priv
*priv
)
2211 struct iwl_host_cmd cmd
= {
2217 ret
= iwl_dvm_send_cmd(priv
, &cmd
);
2219 IWL_ERR(priv
, "echo testing fail: 0X%x\n", ret
);
2221 IWL_DEBUG_INFO(priv
, "echo testing pass\n");
2225 static ssize_t
iwl_dbgfs_echo_test_write(struct file
*file
,
2226 const char __user
*user_buf
,
2227 size_t count
, loff_t
*ppos
)
2229 struct iwl_priv
*priv
= file
->private_data
;
2233 memset(buf
, 0, sizeof(buf
));
2234 buf_size
= min(count
, sizeof(buf
) - 1);
2235 if (copy_from_user(buf
, user_buf
, buf_size
))
2238 iwl_cmd_echo_test(priv
);
2242 #ifdef CONFIG_IWLWIFI_DEBUG
2243 static ssize_t
iwl_dbgfs_log_event_read(struct file
*file
,
2244 char __user
*user_buf
,
2245 size_t count
, loff_t
*ppos
)
2247 struct iwl_priv
*priv
= file
->private_data
;
2250 ssize_t ret
= -ENOMEM
;
2252 ret
= pos
= iwl_dump_nic_event_log(priv
, true, &buf
, true);
2254 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
2260 static ssize_t
iwl_dbgfs_log_event_write(struct file
*file
,
2261 const char __user
*user_buf
,
2262 size_t count
, loff_t
*ppos
)
2264 struct iwl_priv
*priv
= file
->private_data
;
2269 memset(buf
, 0, sizeof(buf
));
2270 buf_size
= min(count
, sizeof(buf
) - 1);
2271 if (copy_from_user(buf
, user_buf
, buf_size
))
2273 if (sscanf(buf
, "%d", &event_log_flag
) != 1)
2275 if (event_log_flag
== 1)
2276 iwl_dump_nic_event_log(priv
, true, NULL
, false);
2282 static ssize_t
iwl_dbgfs_calib_disabled_read(struct file
*file
,
2283 char __user
*user_buf
,
2284 size_t count
, loff_t
*ppos
)
2286 struct iwl_priv
*priv
= file
->private_data
;
2289 const size_t bufsz
= sizeof(buf
);
2291 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
2292 "Sensitivity calibrations %s\n",
2293 (priv
->calib_disabled
&
2294 IWL_SENSITIVITY_CALIB_DISABLED
) ?
2295 "DISABLED" : "ENABLED");
2296 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
2297 "Chain noise calibrations %s\n",
2298 (priv
->calib_disabled
&
2299 IWL_CHAIN_NOISE_CALIB_DISABLED
) ?
2300 "DISABLED" : "ENABLED");
2301 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
2302 "Tx power calibrations %s\n",
2303 (priv
->calib_disabled
&
2304 IWL_TX_POWER_CALIB_DISABLED
) ?
2305 "DISABLED" : "ENABLED");
2307 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
2310 static ssize_t
iwl_dbgfs_calib_disabled_write(struct file
*file
,
2311 const char __user
*user_buf
,
2312 size_t count
, loff_t
*ppos
)
2314 struct iwl_priv
*priv
= file
->private_data
;
2319 memset(buf
, 0, sizeof(buf
));
2320 buf_size
= min(count
, sizeof(buf
) - 1);
2321 if (copy_from_user(buf
, user_buf
, buf_size
))
2323 if (sscanf(buf
, "%x", &calib_disabled
) != 1)
2326 priv
->calib_disabled
= calib_disabled
;
2331 DEBUGFS_READ_FILE_OPS(ucode_rx_stats
);
2332 DEBUGFS_READ_FILE_OPS(ucode_tx_stats
);
2333 DEBUGFS_READ_FILE_OPS(ucode_general_stats
);
2334 DEBUGFS_READ_FILE_OPS(sensitivity
);
2335 DEBUGFS_READ_FILE_OPS(chain_noise
);
2336 DEBUGFS_READ_FILE_OPS(power_save_status
);
2337 DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics
);
2338 DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing
);
2339 DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon
);
2340 DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta
);
2341 DEBUGFS_READ_WRITE_FILE_OPS(rf_reset
);
2342 DEBUGFS_READ_FILE_OPS(rxon_flags
);
2343 DEBUGFS_READ_FILE_OPS(rxon_filter_flags
);
2344 DEBUGFS_WRITE_FILE_OPS(txfifo_flush
);
2345 DEBUGFS_READ_FILE_OPS(ucode_bt_stats
);
2346 DEBUGFS_READ_FILE_OPS(bt_traffic
);
2347 DEBUGFS_READ_WRITE_FILE_OPS(protection_mode
);
2348 DEBUGFS_READ_FILE_OPS(reply_tx_error
);
2349 DEBUGFS_WRITE_FILE_OPS(echo_test
);
2350 #ifdef CONFIG_IWLWIFI_DEBUG
2351 DEBUGFS_READ_WRITE_FILE_OPS(log_event
);
2353 DEBUGFS_READ_WRITE_FILE_OPS(calib_disabled
);
2356 * Create the debugfs files and directories
2359 int iwl_dbgfs_register(struct iwl_priv
*priv
, const char *name
)
2361 struct dentry
*phyd
= priv
->hw
->wiphy
->debugfsdir
;
2362 struct dentry
*dir_drv
, *dir_data
, *dir_rf
, *dir_debug
;
2364 dir_drv
= debugfs_create_dir(name
, phyd
);
2368 priv
->debugfs_dir
= dir_drv
;
2370 dir_data
= debugfs_create_dir("data", dir_drv
);
2373 dir_rf
= debugfs_create_dir("rf", dir_drv
);
2376 dir_debug
= debugfs_create_dir("debug", dir_drv
);
2380 DEBUGFS_ADD_FILE(nvm
, dir_data
, S_IRUSR
);
2381 DEBUGFS_ADD_FILE(sram
, dir_data
, S_IWUSR
| S_IRUSR
);
2382 DEBUGFS_ADD_FILE(wowlan_sram
, dir_data
, S_IRUSR
);
2383 DEBUGFS_ADD_FILE(stations
, dir_data
, S_IRUSR
);
2384 DEBUGFS_ADD_FILE(channels
, dir_data
, S_IRUSR
);
2385 DEBUGFS_ADD_FILE(status
, dir_data
, S_IRUSR
);
2386 DEBUGFS_ADD_FILE(rx_handlers
, dir_data
, S_IWUSR
| S_IRUSR
);
2387 DEBUGFS_ADD_FILE(qos
, dir_data
, S_IRUSR
);
2388 DEBUGFS_ADD_FILE(sleep_level_override
, dir_data
, S_IWUSR
| S_IRUSR
);
2389 DEBUGFS_ADD_FILE(current_sleep_command
, dir_data
, S_IRUSR
);
2390 DEBUGFS_ADD_FILE(thermal_throttling
, dir_data
, S_IRUSR
);
2391 DEBUGFS_ADD_FILE(disable_ht40
, dir_data
, S_IWUSR
| S_IRUSR
);
2392 DEBUGFS_ADD_FILE(temperature
, dir_data
, S_IRUSR
);
2394 DEBUGFS_ADD_FILE(power_save_status
, dir_debug
, S_IRUSR
);
2395 DEBUGFS_ADD_FILE(clear_ucode_statistics
, dir_debug
, S_IWUSR
);
2396 DEBUGFS_ADD_FILE(missed_beacon
, dir_debug
, S_IWUSR
);
2397 DEBUGFS_ADD_FILE(plcp_delta
, dir_debug
, S_IWUSR
| S_IRUSR
);
2398 DEBUGFS_ADD_FILE(rf_reset
, dir_debug
, S_IWUSR
| S_IRUSR
);
2399 DEBUGFS_ADD_FILE(ucode_rx_stats
, dir_debug
, S_IRUSR
);
2400 DEBUGFS_ADD_FILE(ucode_tx_stats
, dir_debug
, S_IRUSR
);
2401 DEBUGFS_ADD_FILE(ucode_general_stats
, dir_debug
, S_IRUSR
);
2402 DEBUGFS_ADD_FILE(txfifo_flush
, dir_debug
, S_IWUSR
);
2403 DEBUGFS_ADD_FILE(protection_mode
, dir_debug
, S_IWUSR
| S_IRUSR
);
2404 DEBUGFS_ADD_FILE(sensitivity
, dir_debug
, S_IRUSR
);
2405 DEBUGFS_ADD_FILE(chain_noise
, dir_debug
, S_IRUSR
);
2406 DEBUGFS_ADD_FILE(ucode_tracing
, dir_debug
, S_IWUSR
| S_IRUSR
);
2407 DEBUGFS_ADD_FILE(ucode_bt_stats
, dir_debug
, S_IRUSR
);
2408 DEBUGFS_ADD_FILE(reply_tx_error
, dir_debug
, S_IRUSR
);
2409 DEBUGFS_ADD_FILE(rxon_flags
, dir_debug
, S_IWUSR
);
2410 DEBUGFS_ADD_FILE(rxon_filter_flags
, dir_debug
, S_IWUSR
);
2411 DEBUGFS_ADD_FILE(echo_test
, dir_debug
, S_IWUSR
);
2412 #ifdef CONFIG_IWLWIFI_DEBUG
2413 DEBUGFS_ADD_FILE(log_event
, dir_debug
, S_IWUSR
| S_IRUSR
);
2416 if (iwl_advanced_bt_coexist(priv
))
2417 DEBUGFS_ADD_FILE(bt_traffic
, dir_debug
, S_IRUSR
);
2419 /* Calibrations disabled/enabled status*/
2420 DEBUGFS_ADD_FILE(calib_disabled
, dir_rf
, S_IWUSR
| S_IRUSR
);
2422 if (iwl_trans_dbgfs_register(priv
->trans
, dir_debug
))
2427 IWL_ERR(priv
, "Can't create the debugfs directory\n");
2428 iwl_dbgfs_unregister(priv
);
2433 * Remove the debugfs files and directories
2436 void iwl_dbgfs_unregister(struct iwl_priv
*priv
)
2438 if (!priv
->debugfs_dir
)
2441 debugfs_remove_recursive(priv
->debugfs_dir
);
2442 priv
->debugfs_dir
= NULL
;