1 /******************************************************************************
5 * Copyright(c) 2008 - 2014 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 COPYING.
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>
33 #include <linux/ieee80211.h>
34 #include <net/mac80211.h>
35 #include "iwl-debug.h"
40 /* create and remove of files */
41 #define DEBUGFS_ADD_FILE(name, parent, mode) do { \
42 if (!debugfs_create_file(#name, mode, parent, priv, \
43 &iwl_dbgfs_##name##_ops)) \
47 #define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \
48 struct dentry *__tmp; \
49 __tmp = debugfs_create_bool(#name, S_IWUSR | S_IRUSR, \
51 if (IS_ERR(__tmp) || !__tmp) \
55 #define DEBUGFS_ADD_X32(name, parent, ptr) do { \
56 struct dentry *__tmp; \
57 __tmp = debugfs_create_x32(#name, S_IWUSR | S_IRUSR, \
59 if (IS_ERR(__tmp) || !__tmp) \
63 #define DEBUGFS_ADD_U32(name, parent, ptr, mode) do { \
64 struct dentry *__tmp; \
65 __tmp = debugfs_create_u32(#name, mode, \
67 if (IS_ERR(__tmp) || !__tmp) \
72 #define DEBUGFS_READ_FILE_OPS(name) \
73 static const struct file_operations iwl_dbgfs_##name##_ops = { \
74 .read = iwl_dbgfs_##name##_read, \
75 .open = simple_open, \
76 .llseek = generic_file_llseek, \
79 #define DEBUGFS_WRITE_FILE_OPS(name) \
80 static const struct file_operations iwl_dbgfs_##name##_ops = { \
81 .write = iwl_dbgfs_##name##_write, \
82 .open = simple_open, \
83 .llseek = generic_file_llseek, \
87 #define DEBUGFS_READ_WRITE_FILE_OPS(name) \
88 static const struct file_operations iwl_dbgfs_##name##_ops = { \
89 .write = iwl_dbgfs_##name##_write, \
90 .read = iwl_dbgfs_##name##_read, \
91 .open = simple_open, \
92 .llseek = generic_file_llseek, \
95 static ssize_t
iwl_dbgfs_sram_read(struct file
*file
,
96 char __user
*user_buf
,
97 size_t count
, loff_t
*ppos
)
103 bool device_format
= false;
108 struct iwl_priv
*priv
= file
->private_data
;
109 const struct fw_img
*img
;
112 if (!iwl_is_ready_rf(priv
))
115 /* default is to dump the entire data segment */
116 if (!priv
->dbgfs_sram_offset
&& !priv
->dbgfs_sram_len
) {
117 priv
->dbgfs_sram_offset
= 0x800000;
118 if (!priv
->ucode_loaded
)
120 img
= &priv
->fw
->img
[priv
->cur_ucode
];
121 priv
->dbgfs_sram_len
= img
->sec
[IWL_UCODE_SECTION_DATA
].len
;
123 len
= priv
->dbgfs_sram_len
;
126 device_format
= true;
130 bufsz
= 50 + len
* 4;
131 buf
= kmalloc(bufsz
, GFP_KERNEL
);
135 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "sram_len: 0x%x\n",
137 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "sram_offset: 0x%x\n",
138 priv
->dbgfs_sram_offset
);
140 /* adjust sram address since reads are only on even u32 boundaries */
141 offset
= priv
->dbgfs_sram_offset
& 0x3;
142 sram
= priv
->dbgfs_sram_offset
& ~0x3;
144 /* read the first u32 from sram */
145 val
= iwl_trans_read_mem32(priv
->trans
, sram
);
148 /* put the address at the start of every line */
150 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
151 "%08X: ", sram
+ offset
);
154 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
155 "%02x", (val
>> (8 * (3 - offset
))) & 0xff);
157 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
158 "%02x ", (val
>> (8 * offset
)) & 0xff);
160 /* if all bytes processed, read the next u32 from sram */
164 val
= iwl_trans_read_mem32(priv
->trans
, sram
);
167 /* put in extra spaces and split lines for human readability */
170 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "\n");
171 } else if (!(i
& 7)) {
172 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, " ");
173 } else if (!(i
& 3)) {
174 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, " ");
178 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "\n");
180 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
185 static ssize_t
iwl_dbgfs_sram_write(struct file
*file
,
186 const char __user
*user_buf
,
187 size_t count
, loff_t
*ppos
)
189 struct iwl_priv
*priv
= file
->private_data
;
194 memset(buf
, 0, sizeof(buf
));
195 buf_size
= min(count
, sizeof(buf
) - 1);
196 if (copy_from_user(buf
, user_buf
, buf_size
))
199 if (sscanf(buf
, "%x,%x", &offset
, &len
) == 2) {
200 priv
->dbgfs_sram_offset
= offset
;
201 priv
->dbgfs_sram_len
= len
;
202 } else if (sscanf(buf
, "%x", &offset
) == 1) {
203 priv
->dbgfs_sram_offset
= offset
;
204 priv
->dbgfs_sram_len
= -4;
206 priv
->dbgfs_sram_offset
= 0;
207 priv
->dbgfs_sram_len
= 0;
213 static ssize_t
iwl_dbgfs_wowlan_sram_read(struct file
*file
,
214 char __user
*user_buf
,
215 size_t count
, loff_t
*ppos
)
217 struct iwl_priv
*priv
= file
->private_data
;
218 const struct fw_img
*img
= &priv
->fw
->img
[IWL_UCODE_WOWLAN
];
220 if (!priv
->wowlan_sram
)
223 return simple_read_from_buffer(user_buf
, count
, ppos
,
225 img
->sec
[IWL_UCODE_SECTION_DATA
].len
);
227 static ssize_t
iwl_dbgfs_stations_read(struct file
*file
, char __user
*user_buf
,
228 size_t count
, loff_t
*ppos
)
230 struct iwl_priv
*priv
= file
->private_data
;
231 struct iwl_station_entry
*station
;
232 struct iwl_tid_data
*tid_data
;
236 /* Add 30 for initial string */
237 const size_t bufsz
= 30 + sizeof(char) * 500 * (priv
->num_stations
);
239 buf
= kmalloc(bufsz
, GFP_KERNEL
);
243 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "num of stations: %d\n\n",
246 for (i
= 0; i
< IWLAGN_STATION_COUNT
; i
++) {
247 station
= &priv
->stations
[i
];
250 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
251 "station %d - addr: %pM, flags: %#x\n",
252 i
, station
->sta
.sta
.addr
,
253 station
->sta
.station_flags_msk
);
254 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
255 "TID seqno next_rclmd "
256 "rate_n_flags state txq\n");
258 for (j
= 0; j
< IWL_MAX_TID_COUNT
; j
++) {
259 tid_data
= &priv
->tid_data
[i
][j
];
260 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
261 "%d: 0x%.4x 0x%.4x 0x%.8x "
263 j
, tid_data
->seq_number
,
264 tid_data
->next_reclaimed
,
265 tid_data
->agg
.rate_n_flags
,
267 tid_data
->agg
.txq_id
);
269 if (tid_data
->agg
.wait_for_ba
)
270 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
272 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "\n");
275 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "\n");
278 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
283 static ssize_t
iwl_dbgfs_nvm_read(struct file
*file
,
284 char __user
*user_buf
,
289 struct iwl_priv
*priv
= file
->private_data
;
290 int pos
= 0, ofs
= 0, buf_size
= 0;
294 size_t eeprom_len
= priv
->eeprom_blob_size
;
295 buf_size
= 4 * eeprom_len
+ 256;
300 ptr
= priv
->eeprom_blob
;
304 /* 4 characters for byte 0xYY */
305 buf
= kzalloc(buf_size
, GFP_KERNEL
);
309 nvm_ver
= priv
->nvm_data
->nvm_version
;
310 pos
+= scnprintf(buf
+ pos
, buf_size
- pos
,
311 "NVM version: 0x%x\n", nvm_ver
);
312 for (ofs
= 0 ; ofs
< eeprom_len
; ofs
+= 16) {
313 pos
+= scnprintf(buf
+ pos
, buf_size
- pos
, "0x%.4x %16ph\n",
317 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
322 static ssize_t
iwl_dbgfs_channels_read(struct file
*file
, char __user
*user_buf
,
323 size_t count
, loff_t
*ppos
)
325 struct iwl_priv
*priv
= file
->private_data
;
326 struct ieee80211_channel
*channels
= NULL
;
327 const struct ieee80211_supported_band
*supp_band
= NULL
;
328 int pos
= 0, i
, bufsz
= PAGE_SIZE
;
332 buf
= kzalloc(bufsz
, GFP_KERNEL
);
336 supp_band
= iwl_get_hw_mode(priv
, IEEE80211_BAND_2GHZ
);
338 channels
= supp_band
->channels
;
340 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
341 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
342 supp_band
->n_channels
);
344 for (i
= 0; i
< supp_band
->n_channels
; i
++)
345 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
346 "%d: %ddBm: BSS%s%s, %s.\n",
347 channels
[i
].hw_value
,
348 channels
[i
].max_power
,
349 channels
[i
].flags
& IEEE80211_CHAN_RADAR
?
350 " (IEEE 802.11h required)" : "",
351 ((channels
[i
].flags
& IEEE80211_CHAN_NO_IR
)
352 || (channels
[i
].flags
&
353 IEEE80211_CHAN_RADAR
)) ? "" :
356 IEEE80211_CHAN_NO_IR
?
357 "passive only" : "active/passive");
359 supp_band
= iwl_get_hw_mode(priv
, IEEE80211_BAND_5GHZ
);
361 channels
= supp_band
->channels
;
363 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
364 "Displaying %d channels in 5.2GHz band (802.11a)\n",
365 supp_band
->n_channels
);
367 for (i
= 0; i
< supp_band
->n_channels
; i
++)
368 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
369 "%d: %ddBm: BSS%s%s, %s.\n",
370 channels
[i
].hw_value
,
371 channels
[i
].max_power
,
372 channels
[i
].flags
& IEEE80211_CHAN_RADAR
?
373 " (IEEE 802.11h required)" : "",
374 ((channels
[i
].flags
& IEEE80211_CHAN_NO_IR
)
375 || (channels
[i
].flags
&
376 IEEE80211_CHAN_RADAR
)) ? "" :
379 IEEE80211_CHAN_NO_IR
?
380 "passive only" : "active/passive");
382 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
387 static ssize_t
iwl_dbgfs_status_read(struct file
*file
,
388 char __user
*user_buf
,
389 size_t count
, loff_t
*ppos
) {
391 struct iwl_priv
*priv
= file
->private_data
;
394 const size_t bufsz
= sizeof(buf
);
396 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "STATUS_RF_KILL_HW:\t %d\n",
397 test_bit(STATUS_RF_KILL_HW
, &priv
->status
));
398 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "STATUS_CT_KILL:\t\t %d\n",
399 test_bit(STATUS_CT_KILL
, &priv
->status
));
400 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "STATUS_ALIVE:\t\t %d\n",
401 test_bit(STATUS_ALIVE
, &priv
->status
));
402 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "STATUS_READY:\t\t %d\n",
403 test_bit(STATUS_READY
, &priv
->status
));
404 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "STATUS_EXIT_PENDING:\t %d\n",
405 test_bit(STATUS_EXIT_PENDING
, &priv
->status
));
406 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "STATUS_STATISTICS:\t %d\n",
407 test_bit(STATUS_STATISTICS
, &priv
->status
));
408 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "STATUS_SCANNING:\t %d\n",
409 test_bit(STATUS_SCANNING
, &priv
->status
));
410 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "STATUS_SCAN_ABORTING:\t %d\n",
411 test_bit(STATUS_SCAN_ABORTING
, &priv
->status
));
412 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "STATUS_SCAN_HW:\t\t %d\n",
413 test_bit(STATUS_SCAN_HW
, &priv
->status
));
414 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "STATUS_POWER_PMI:\t %d\n",
415 test_bit(STATUS_POWER_PMI
, &priv
->status
));
416 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "STATUS_FW_ERROR:\t %d\n",
417 test_bit(STATUS_FW_ERROR
, &priv
->status
));
418 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
421 static ssize_t
iwl_dbgfs_rx_handlers_read(struct file
*file
,
422 char __user
*user_buf
,
423 size_t count
, loff_t
*ppos
) {
425 struct iwl_priv
*priv
= file
->private_data
;
430 int bufsz
= 24 * 64; /* 24 items * 64 char per item */
433 buf
= kzalloc(bufsz
, GFP_KERNEL
);
437 for (cnt
= 0; cnt
< REPLY_MAX
; cnt
++) {
438 if (priv
->rx_handlers_stats
[cnt
] > 0)
439 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
440 "\tRx handler[%36s]:\t\t %u\n",
441 iwl_dvm_get_cmd_string(cnt
),
442 priv
->rx_handlers_stats
[cnt
]);
445 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
450 static ssize_t
iwl_dbgfs_rx_handlers_write(struct file
*file
,
451 const char __user
*user_buf
,
452 size_t count
, loff_t
*ppos
)
454 struct iwl_priv
*priv
= file
->private_data
;
460 memset(buf
, 0, sizeof(buf
));
461 buf_size
= min(count
, sizeof(buf
) - 1);
462 if (copy_from_user(buf
, user_buf
, buf_size
))
464 if (sscanf(buf
, "%x", &reset_flag
) != 1)
467 memset(&priv
->rx_handlers_stats
[0], 0,
468 sizeof(priv
->rx_handlers_stats
));
473 static ssize_t
iwl_dbgfs_qos_read(struct file
*file
, char __user
*user_buf
,
474 size_t count
, loff_t
*ppos
)
476 struct iwl_priv
*priv
= file
->private_data
;
477 struct iwl_rxon_context
*ctx
;
479 char buf
[256 * NUM_IWL_RXON_CTX
];
480 const size_t bufsz
= sizeof(buf
);
482 for_each_context(priv
, ctx
) {
483 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "context %d:\n",
485 for (i
= 0; i
< AC_NUM
; i
++) {
486 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
487 "\tcw_min\tcw_max\taifsn\ttxop\n");
488 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
489 "AC[%d]\t%u\t%u\t%u\t%u\n", i
,
490 ctx
->qos_data
.def_qos_parm
.ac
[i
].cw_min
,
491 ctx
->qos_data
.def_qos_parm
.ac
[i
].cw_max
,
492 ctx
->qos_data
.def_qos_parm
.ac
[i
].aifsn
,
493 ctx
->qos_data
.def_qos_parm
.ac
[i
].edca_txop
);
495 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "\n");
497 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
500 static ssize_t
iwl_dbgfs_thermal_throttling_read(struct file
*file
,
501 char __user
*user_buf
,
502 size_t count
, loff_t
*ppos
)
504 struct iwl_priv
*priv
= file
->private_data
;
505 struct iwl_tt_mgmt
*tt
= &priv
->thermal_throttle
;
506 struct iwl_tt_restriction
*restriction
;
509 const size_t bufsz
= sizeof(buf
);
511 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
512 "Thermal Throttling Mode: %s\n",
513 tt
->advanced_tt
? "Advance" : "Legacy");
514 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
515 "Thermal Throttling State: %d\n",
517 if (tt
->advanced_tt
) {
518 restriction
= tt
->restriction
+ tt
->state
;
519 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
521 restriction
->tx_stream
);
522 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
524 restriction
->rx_stream
);
525 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
529 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
532 static ssize_t
iwl_dbgfs_disable_ht40_write(struct file
*file
,
533 const char __user
*user_buf
,
534 size_t count
, loff_t
*ppos
)
536 struct iwl_priv
*priv
= file
->private_data
;
541 memset(buf
, 0, sizeof(buf
));
542 buf_size
= min(count
, sizeof(buf
) - 1);
543 if (copy_from_user(buf
, user_buf
, buf_size
))
545 if (sscanf(buf
, "%d", &ht40
) != 1)
547 if (!iwl_is_any_associated(priv
))
548 priv
->disable_ht40
= ht40
? true : false;
555 static ssize_t
iwl_dbgfs_disable_ht40_read(struct file
*file
,
556 char __user
*user_buf
,
557 size_t count
, loff_t
*ppos
)
559 struct iwl_priv
*priv
= file
->private_data
;
562 const size_t bufsz
= sizeof(buf
);
564 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
565 "11n 40MHz Mode: %s\n",
566 priv
->disable_ht40
? "Disabled" : "Enabled");
567 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
570 static ssize_t
iwl_dbgfs_temperature_read(struct file
*file
,
571 char __user
*user_buf
,
572 size_t count
, loff_t
*ppos
)
574 struct iwl_priv
*priv
= file
->private_data
;
577 const size_t bufsz
= sizeof(buf
);
579 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%d\n", priv
->temperature
);
580 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
584 static ssize_t
iwl_dbgfs_sleep_level_override_write(struct file
*file
,
585 const char __user
*user_buf
,
586 size_t count
, loff_t
*ppos
)
588 struct iwl_priv
*priv
= file
->private_data
;
593 memset(buf
, 0, sizeof(buf
));
594 buf_size
= min(count
, sizeof(buf
) - 1);
595 if (copy_from_user(buf
, user_buf
, buf_size
))
598 if (sscanf(buf
, "%d", &value
) != 1)
602 * Our users expect 0 to be "CAM", but 0 isn't actually
603 * valid here. However, let's not confuse them and present
604 * IWL_POWER_INDEX_1 as "1", not "0".
611 if (value
!= -1 && (value
< 0 || value
>= IWL_POWER_NUM
))
614 if (!iwl_is_ready_rf(priv
))
617 priv
->power_data
.debug_sleep_level_override
= value
;
619 mutex_lock(&priv
->mutex
);
620 iwl_power_update_mode(priv
, true);
621 mutex_unlock(&priv
->mutex
);
626 static ssize_t
iwl_dbgfs_sleep_level_override_read(struct file
*file
,
627 char __user
*user_buf
,
628 size_t count
, loff_t
*ppos
)
630 struct iwl_priv
*priv
= file
->private_data
;
633 const size_t bufsz
= sizeof(buf
);
635 /* see the write function */
636 value
= priv
->power_data
.debug_sleep_level_override
;
640 pos
= scnprintf(buf
, bufsz
, "%d\n", value
);
641 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
644 static ssize_t
iwl_dbgfs_current_sleep_command_read(struct file
*file
,
645 char __user
*user_buf
,
646 size_t count
, loff_t
*ppos
)
648 struct iwl_priv
*priv
= file
->private_data
;
651 const size_t bufsz
= sizeof(buf
);
652 struct iwl_powertable_cmd
*cmd
= &priv
->power_data
.sleep_cmd
;
654 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
655 "flags: %#.2x\n", le16_to_cpu(cmd
->flags
));
656 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
657 "RX/TX timeout: %d/%d usec\n",
658 le32_to_cpu(cmd
->rx_data_timeout
),
659 le32_to_cpu(cmd
->tx_data_timeout
));
660 for (i
= 0; i
< IWL_POWER_VEC_SIZE
; i
++)
661 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
662 "sleep_interval[%d]: %d\n", i
,
663 le32_to_cpu(cmd
->sleep_interval
[i
]));
665 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
668 DEBUGFS_READ_WRITE_FILE_OPS(sram
);
669 DEBUGFS_READ_FILE_OPS(wowlan_sram
);
670 DEBUGFS_READ_FILE_OPS(nvm
);
671 DEBUGFS_READ_FILE_OPS(stations
);
672 DEBUGFS_READ_FILE_OPS(channels
);
673 DEBUGFS_READ_FILE_OPS(status
);
674 DEBUGFS_READ_WRITE_FILE_OPS(rx_handlers
);
675 DEBUGFS_READ_FILE_OPS(qos
);
676 DEBUGFS_READ_FILE_OPS(thermal_throttling
);
677 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40
);
678 DEBUGFS_READ_FILE_OPS(temperature
);
679 DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override
);
680 DEBUGFS_READ_FILE_OPS(current_sleep_command
);
682 static const char *fmt_value
= " %-30s %10u\n";
683 static const char *fmt_hex
= " %-30s 0x%02X\n";
684 static const char *fmt_table
= " %-30s %10u %10u %10u %10u\n";
685 static const char *fmt_header
=
686 "%-32s current cumulative delta max\n";
688 static int iwl_statistics_flag(struct iwl_priv
*priv
, char *buf
, int bufsz
)
693 lockdep_assert_held(&priv
->statistics
.lock
);
695 flag
= le32_to_cpu(priv
->statistics
.flag
);
697 p
+= scnprintf(buf
+ p
, bufsz
- p
, "Statistics Flag(0x%X):\n", flag
);
698 if (flag
& UCODE_STATISTICS_CLEAR_MSK
)
699 p
+= scnprintf(buf
+ p
, bufsz
- p
,
700 "\tStatistics have been cleared\n");
701 p
+= scnprintf(buf
+ p
, bufsz
- p
, "\tOperational Frequency: %s\n",
702 (flag
& UCODE_STATISTICS_FREQUENCY_MSK
)
703 ? "2.4 GHz" : "5.2 GHz");
704 p
+= scnprintf(buf
+ p
, bufsz
- p
, "\tTGj Narrow Band: %s\n",
705 (flag
& UCODE_STATISTICS_NARROW_BAND_MSK
)
706 ? "enabled" : "disabled");
711 static ssize_t
iwl_dbgfs_ucode_rx_stats_read(struct file
*file
,
712 char __user
*user_buf
,
713 size_t count
, loff_t
*ppos
)
715 struct iwl_priv
*priv
= file
->private_data
;
718 int bufsz
= sizeof(struct statistics_rx_phy
) * 40 +
719 sizeof(struct statistics_rx_non_phy
) * 40 +
720 sizeof(struct statistics_rx_ht_phy
) * 40 + 400;
722 struct statistics_rx_phy
*ofdm
, *accum_ofdm
, *delta_ofdm
, *max_ofdm
;
723 struct statistics_rx_phy
*cck
, *accum_cck
, *delta_cck
, *max_cck
;
724 struct statistics_rx_non_phy
*general
, *accum_general
;
725 struct statistics_rx_non_phy
*delta_general
, *max_general
;
726 struct statistics_rx_ht_phy
*ht
, *accum_ht
, *delta_ht
, *max_ht
;
728 if (!iwl_is_alive(priv
))
731 buf
= kzalloc(bufsz
, GFP_KERNEL
);
736 * the statistic information display here is based on
737 * the last statistics notification from uCode
738 * might not reflect the current uCode activity
740 spin_lock_bh(&priv
->statistics
.lock
);
741 ofdm
= &priv
->statistics
.rx_ofdm
;
742 cck
= &priv
->statistics
.rx_cck
;
743 general
= &priv
->statistics
.rx_non_phy
;
744 ht
= &priv
->statistics
.rx_ofdm_ht
;
745 accum_ofdm
= &priv
->accum_stats
.rx_ofdm
;
746 accum_cck
= &priv
->accum_stats
.rx_cck
;
747 accum_general
= &priv
->accum_stats
.rx_non_phy
;
748 accum_ht
= &priv
->accum_stats
.rx_ofdm_ht
;
749 delta_ofdm
= &priv
->delta_stats
.rx_ofdm
;
750 delta_cck
= &priv
->delta_stats
.rx_cck
;
751 delta_general
= &priv
->delta_stats
.rx_non_phy
;
752 delta_ht
= &priv
->delta_stats
.rx_ofdm_ht
;
753 max_ofdm
= &priv
->max_delta_stats
.rx_ofdm
;
754 max_cck
= &priv
->max_delta_stats
.rx_cck
;
755 max_general
= &priv
->max_delta_stats
.rx_non_phy
;
756 max_ht
= &priv
->max_delta_stats
.rx_ofdm_ht
;
758 pos
+= iwl_statistics_flag(priv
, buf
, bufsz
);
759 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
760 fmt_header
, "Statistics_Rx - OFDM:");
761 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
762 fmt_table
, "ina_cnt:",
763 le32_to_cpu(ofdm
->ina_cnt
),
765 delta_ofdm
->ina_cnt
, max_ofdm
->ina_cnt
);
766 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
767 fmt_table
, "fina_cnt:",
768 le32_to_cpu(ofdm
->fina_cnt
), accum_ofdm
->fina_cnt
,
769 delta_ofdm
->fina_cnt
, max_ofdm
->fina_cnt
);
770 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
771 fmt_table
, "plcp_err:",
772 le32_to_cpu(ofdm
->plcp_err
), accum_ofdm
->plcp_err
,
773 delta_ofdm
->plcp_err
, max_ofdm
->plcp_err
);
774 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
775 fmt_table
, "crc32_err:",
776 le32_to_cpu(ofdm
->crc32_err
), accum_ofdm
->crc32_err
,
777 delta_ofdm
->crc32_err
, max_ofdm
->crc32_err
);
778 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
779 fmt_table
, "overrun_err:",
780 le32_to_cpu(ofdm
->overrun_err
),
781 accum_ofdm
->overrun_err
, delta_ofdm
->overrun_err
,
782 max_ofdm
->overrun_err
);
783 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
784 fmt_table
, "early_overrun_err:",
785 le32_to_cpu(ofdm
->early_overrun_err
),
786 accum_ofdm
->early_overrun_err
,
787 delta_ofdm
->early_overrun_err
,
788 max_ofdm
->early_overrun_err
);
789 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
790 fmt_table
, "crc32_good:",
791 le32_to_cpu(ofdm
->crc32_good
),
792 accum_ofdm
->crc32_good
, delta_ofdm
->crc32_good
,
793 max_ofdm
->crc32_good
);
794 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
795 fmt_table
, "false_alarm_cnt:",
796 le32_to_cpu(ofdm
->false_alarm_cnt
),
797 accum_ofdm
->false_alarm_cnt
,
798 delta_ofdm
->false_alarm_cnt
,
799 max_ofdm
->false_alarm_cnt
);
800 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
801 fmt_table
, "fina_sync_err_cnt:",
802 le32_to_cpu(ofdm
->fina_sync_err_cnt
),
803 accum_ofdm
->fina_sync_err_cnt
,
804 delta_ofdm
->fina_sync_err_cnt
,
805 max_ofdm
->fina_sync_err_cnt
);
806 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
807 fmt_table
, "sfd_timeout:",
808 le32_to_cpu(ofdm
->sfd_timeout
),
809 accum_ofdm
->sfd_timeout
, delta_ofdm
->sfd_timeout
,
810 max_ofdm
->sfd_timeout
);
811 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
812 fmt_table
, "fina_timeout:",
813 le32_to_cpu(ofdm
->fina_timeout
),
814 accum_ofdm
->fina_timeout
, delta_ofdm
->fina_timeout
,
815 max_ofdm
->fina_timeout
);
816 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
817 fmt_table
, "unresponded_rts:",
818 le32_to_cpu(ofdm
->unresponded_rts
),
819 accum_ofdm
->unresponded_rts
,
820 delta_ofdm
->unresponded_rts
,
821 max_ofdm
->unresponded_rts
);
822 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
823 fmt_table
, "rxe_frame_lmt_ovrun:",
824 le32_to_cpu(ofdm
->rxe_frame_limit_overrun
),
825 accum_ofdm
->rxe_frame_limit_overrun
,
826 delta_ofdm
->rxe_frame_limit_overrun
,
827 max_ofdm
->rxe_frame_limit_overrun
);
828 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
829 fmt_table
, "sent_ack_cnt:",
830 le32_to_cpu(ofdm
->sent_ack_cnt
),
831 accum_ofdm
->sent_ack_cnt
, delta_ofdm
->sent_ack_cnt
,
832 max_ofdm
->sent_ack_cnt
);
833 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
834 fmt_table
, "sent_cts_cnt:",
835 le32_to_cpu(ofdm
->sent_cts_cnt
),
836 accum_ofdm
->sent_cts_cnt
, delta_ofdm
->sent_cts_cnt
,
837 max_ofdm
->sent_cts_cnt
);
838 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
839 fmt_table
, "sent_ba_rsp_cnt:",
840 le32_to_cpu(ofdm
->sent_ba_rsp_cnt
),
841 accum_ofdm
->sent_ba_rsp_cnt
,
842 delta_ofdm
->sent_ba_rsp_cnt
,
843 max_ofdm
->sent_ba_rsp_cnt
);
844 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
845 fmt_table
, "dsp_self_kill:",
846 le32_to_cpu(ofdm
->dsp_self_kill
),
847 accum_ofdm
->dsp_self_kill
,
848 delta_ofdm
->dsp_self_kill
,
849 max_ofdm
->dsp_self_kill
);
850 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
851 fmt_table
, "mh_format_err:",
852 le32_to_cpu(ofdm
->mh_format_err
),
853 accum_ofdm
->mh_format_err
,
854 delta_ofdm
->mh_format_err
,
855 max_ofdm
->mh_format_err
);
856 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
857 fmt_table
, "re_acq_main_rssi_sum:",
858 le32_to_cpu(ofdm
->re_acq_main_rssi_sum
),
859 accum_ofdm
->re_acq_main_rssi_sum
,
860 delta_ofdm
->re_acq_main_rssi_sum
,
861 max_ofdm
->re_acq_main_rssi_sum
);
863 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
864 fmt_header
, "Statistics_Rx - CCK:");
865 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
866 fmt_table
, "ina_cnt:",
867 le32_to_cpu(cck
->ina_cnt
), accum_cck
->ina_cnt
,
868 delta_cck
->ina_cnt
, max_cck
->ina_cnt
);
869 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
870 fmt_table
, "fina_cnt:",
871 le32_to_cpu(cck
->fina_cnt
), accum_cck
->fina_cnt
,
872 delta_cck
->fina_cnt
, max_cck
->fina_cnt
);
873 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
874 fmt_table
, "plcp_err:",
875 le32_to_cpu(cck
->plcp_err
), accum_cck
->plcp_err
,
876 delta_cck
->plcp_err
, max_cck
->plcp_err
);
877 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
878 fmt_table
, "crc32_err:",
879 le32_to_cpu(cck
->crc32_err
), accum_cck
->crc32_err
,
880 delta_cck
->crc32_err
, max_cck
->crc32_err
);
881 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
882 fmt_table
, "overrun_err:",
883 le32_to_cpu(cck
->overrun_err
),
884 accum_cck
->overrun_err
, delta_cck
->overrun_err
,
885 max_cck
->overrun_err
);
886 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
887 fmt_table
, "early_overrun_err:",
888 le32_to_cpu(cck
->early_overrun_err
),
889 accum_cck
->early_overrun_err
,
890 delta_cck
->early_overrun_err
,
891 max_cck
->early_overrun_err
);
892 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
893 fmt_table
, "crc32_good:",
894 le32_to_cpu(cck
->crc32_good
), accum_cck
->crc32_good
,
895 delta_cck
->crc32_good
, max_cck
->crc32_good
);
896 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
897 fmt_table
, "false_alarm_cnt:",
898 le32_to_cpu(cck
->false_alarm_cnt
),
899 accum_cck
->false_alarm_cnt
,
900 delta_cck
->false_alarm_cnt
, max_cck
->false_alarm_cnt
);
901 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
902 fmt_table
, "fina_sync_err_cnt:",
903 le32_to_cpu(cck
->fina_sync_err_cnt
),
904 accum_cck
->fina_sync_err_cnt
,
905 delta_cck
->fina_sync_err_cnt
,
906 max_cck
->fina_sync_err_cnt
);
907 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
908 fmt_table
, "sfd_timeout:",
909 le32_to_cpu(cck
->sfd_timeout
),
910 accum_cck
->sfd_timeout
, delta_cck
->sfd_timeout
,
911 max_cck
->sfd_timeout
);
912 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
913 fmt_table
, "fina_timeout:",
914 le32_to_cpu(cck
->fina_timeout
),
915 accum_cck
->fina_timeout
, delta_cck
->fina_timeout
,
916 max_cck
->fina_timeout
);
917 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
918 fmt_table
, "unresponded_rts:",
919 le32_to_cpu(cck
->unresponded_rts
),
920 accum_cck
->unresponded_rts
, delta_cck
->unresponded_rts
,
921 max_cck
->unresponded_rts
);
922 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
923 fmt_table
, "rxe_frame_lmt_ovrun:",
924 le32_to_cpu(cck
->rxe_frame_limit_overrun
),
925 accum_cck
->rxe_frame_limit_overrun
,
926 delta_cck
->rxe_frame_limit_overrun
,
927 max_cck
->rxe_frame_limit_overrun
);
928 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
929 fmt_table
, "sent_ack_cnt:",
930 le32_to_cpu(cck
->sent_ack_cnt
),
931 accum_cck
->sent_ack_cnt
, delta_cck
->sent_ack_cnt
,
932 max_cck
->sent_ack_cnt
);
933 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
934 fmt_table
, "sent_cts_cnt:",
935 le32_to_cpu(cck
->sent_cts_cnt
),
936 accum_cck
->sent_cts_cnt
, delta_cck
->sent_cts_cnt
,
937 max_cck
->sent_cts_cnt
);
938 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
939 fmt_table
, "sent_ba_rsp_cnt:",
940 le32_to_cpu(cck
->sent_ba_rsp_cnt
),
941 accum_cck
->sent_ba_rsp_cnt
,
942 delta_cck
->sent_ba_rsp_cnt
,
943 max_cck
->sent_ba_rsp_cnt
);
944 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
945 fmt_table
, "dsp_self_kill:",
946 le32_to_cpu(cck
->dsp_self_kill
),
947 accum_cck
->dsp_self_kill
, delta_cck
->dsp_self_kill
,
948 max_cck
->dsp_self_kill
);
949 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
950 fmt_table
, "mh_format_err:",
951 le32_to_cpu(cck
->mh_format_err
),
952 accum_cck
->mh_format_err
, delta_cck
->mh_format_err
,
953 max_cck
->mh_format_err
);
954 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
955 fmt_table
, "re_acq_main_rssi_sum:",
956 le32_to_cpu(cck
->re_acq_main_rssi_sum
),
957 accum_cck
->re_acq_main_rssi_sum
,
958 delta_cck
->re_acq_main_rssi_sum
,
959 max_cck
->re_acq_main_rssi_sum
);
961 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
962 fmt_header
, "Statistics_Rx - GENERAL:");
963 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
964 fmt_table
, "bogus_cts:",
965 le32_to_cpu(general
->bogus_cts
),
966 accum_general
->bogus_cts
, delta_general
->bogus_cts
,
967 max_general
->bogus_cts
);
968 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
969 fmt_table
, "bogus_ack:",
970 le32_to_cpu(general
->bogus_ack
),
971 accum_general
->bogus_ack
, delta_general
->bogus_ack
,
972 max_general
->bogus_ack
);
973 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
974 fmt_table
, "non_bssid_frames:",
975 le32_to_cpu(general
->non_bssid_frames
),
976 accum_general
->non_bssid_frames
,
977 delta_general
->non_bssid_frames
,
978 max_general
->non_bssid_frames
);
979 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
980 fmt_table
, "filtered_frames:",
981 le32_to_cpu(general
->filtered_frames
),
982 accum_general
->filtered_frames
,
983 delta_general
->filtered_frames
,
984 max_general
->filtered_frames
);
985 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
986 fmt_table
, "non_channel_beacons:",
987 le32_to_cpu(general
->non_channel_beacons
),
988 accum_general
->non_channel_beacons
,
989 delta_general
->non_channel_beacons
,
990 max_general
->non_channel_beacons
);
991 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
992 fmt_table
, "channel_beacons:",
993 le32_to_cpu(general
->channel_beacons
),
994 accum_general
->channel_beacons
,
995 delta_general
->channel_beacons
,
996 max_general
->channel_beacons
);
997 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
998 fmt_table
, "num_missed_bcon:",
999 le32_to_cpu(general
->num_missed_bcon
),
1000 accum_general
->num_missed_bcon
,
1001 delta_general
->num_missed_bcon
,
1002 max_general
->num_missed_bcon
);
1003 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1004 fmt_table
, "adc_rx_saturation_time:",
1005 le32_to_cpu(general
->adc_rx_saturation_time
),
1006 accum_general
->adc_rx_saturation_time
,
1007 delta_general
->adc_rx_saturation_time
,
1008 max_general
->adc_rx_saturation_time
);
1009 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1010 fmt_table
, "ina_detect_search_tm:",
1011 le32_to_cpu(general
->ina_detection_search_time
),
1012 accum_general
->ina_detection_search_time
,
1013 delta_general
->ina_detection_search_time
,
1014 max_general
->ina_detection_search_time
);
1015 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1016 fmt_table
, "beacon_silence_rssi_a:",
1017 le32_to_cpu(general
->beacon_silence_rssi_a
),
1018 accum_general
->beacon_silence_rssi_a
,
1019 delta_general
->beacon_silence_rssi_a
,
1020 max_general
->beacon_silence_rssi_a
);
1021 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1022 fmt_table
, "beacon_silence_rssi_b:",
1023 le32_to_cpu(general
->beacon_silence_rssi_b
),
1024 accum_general
->beacon_silence_rssi_b
,
1025 delta_general
->beacon_silence_rssi_b
,
1026 max_general
->beacon_silence_rssi_b
);
1027 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1028 fmt_table
, "beacon_silence_rssi_c:",
1029 le32_to_cpu(general
->beacon_silence_rssi_c
),
1030 accum_general
->beacon_silence_rssi_c
,
1031 delta_general
->beacon_silence_rssi_c
,
1032 max_general
->beacon_silence_rssi_c
);
1033 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1034 fmt_table
, "interference_data_flag:",
1035 le32_to_cpu(general
->interference_data_flag
),
1036 accum_general
->interference_data_flag
,
1037 delta_general
->interference_data_flag
,
1038 max_general
->interference_data_flag
);
1039 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1040 fmt_table
, "channel_load:",
1041 le32_to_cpu(general
->channel_load
),
1042 accum_general
->channel_load
,
1043 delta_general
->channel_load
,
1044 max_general
->channel_load
);
1045 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1046 fmt_table
, "dsp_false_alarms:",
1047 le32_to_cpu(general
->dsp_false_alarms
),
1048 accum_general
->dsp_false_alarms
,
1049 delta_general
->dsp_false_alarms
,
1050 max_general
->dsp_false_alarms
);
1051 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1052 fmt_table
, "beacon_rssi_a:",
1053 le32_to_cpu(general
->beacon_rssi_a
),
1054 accum_general
->beacon_rssi_a
,
1055 delta_general
->beacon_rssi_a
,
1056 max_general
->beacon_rssi_a
);
1057 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1058 fmt_table
, "beacon_rssi_b:",
1059 le32_to_cpu(general
->beacon_rssi_b
),
1060 accum_general
->beacon_rssi_b
,
1061 delta_general
->beacon_rssi_b
,
1062 max_general
->beacon_rssi_b
);
1063 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1064 fmt_table
, "beacon_rssi_c:",
1065 le32_to_cpu(general
->beacon_rssi_c
),
1066 accum_general
->beacon_rssi_c
,
1067 delta_general
->beacon_rssi_c
,
1068 max_general
->beacon_rssi_c
);
1069 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1070 fmt_table
, "beacon_energy_a:",
1071 le32_to_cpu(general
->beacon_energy_a
),
1072 accum_general
->beacon_energy_a
,
1073 delta_general
->beacon_energy_a
,
1074 max_general
->beacon_energy_a
);
1075 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1076 fmt_table
, "beacon_energy_b:",
1077 le32_to_cpu(general
->beacon_energy_b
),
1078 accum_general
->beacon_energy_b
,
1079 delta_general
->beacon_energy_b
,
1080 max_general
->beacon_energy_b
);
1081 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1082 fmt_table
, "beacon_energy_c:",
1083 le32_to_cpu(general
->beacon_energy_c
),
1084 accum_general
->beacon_energy_c
,
1085 delta_general
->beacon_energy_c
,
1086 max_general
->beacon_energy_c
);
1088 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1089 fmt_header
, "Statistics_Rx - OFDM_HT:");
1090 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1091 fmt_table
, "plcp_err:",
1092 le32_to_cpu(ht
->plcp_err
), accum_ht
->plcp_err
,
1093 delta_ht
->plcp_err
, max_ht
->plcp_err
);
1094 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1095 fmt_table
, "overrun_err:",
1096 le32_to_cpu(ht
->overrun_err
), accum_ht
->overrun_err
,
1097 delta_ht
->overrun_err
, max_ht
->overrun_err
);
1098 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1099 fmt_table
, "early_overrun_err:",
1100 le32_to_cpu(ht
->early_overrun_err
),
1101 accum_ht
->early_overrun_err
,
1102 delta_ht
->early_overrun_err
,
1103 max_ht
->early_overrun_err
);
1104 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1105 fmt_table
, "crc32_good:",
1106 le32_to_cpu(ht
->crc32_good
), accum_ht
->crc32_good
,
1107 delta_ht
->crc32_good
, max_ht
->crc32_good
);
1108 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1109 fmt_table
, "crc32_err:",
1110 le32_to_cpu(ht
->crc32_err
), accum_ht
->crc32_err
,
1111 delta_ht
->crc32_err
, max_ht
->crc32_err
);
1112 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1113 fmt_table
, "mh_format_err:",
1114 le32_to_cpu(ht
->mh_format_err
),
1115 accum_ht
->mh_format_err
,
1116 delta_ht
->mh_format_err
, max_ht
->mh_format_err
);
1117 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1118 fmt_table
, "agg_crc32_good:",
1119 le32_to_cpu(ht
->agg_crc32_good
),
1120 accum_ht
->agg_crc32_good
,
1121 delta_ht
->agg_crc32_good
, max_ht
->agg_crc32_good
);
1122 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1123 fmt_table
, "agg_mpdu_cnt:",
1124 le32_to_cpu(ht
->agg_mpdu_cnt
),
1125 accum_ht
->agg_mpdu_cnt
,
1126 delta_ht
->agg_mpdu_cnt
, max_ht
->agg_mpdu_cnt
);
1127 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1128 fmt_table
, "agg_cnt:",
1129 le32_to_cpu(ht
->agg_cnt
), accum_ht
->agg_cnt
,
1130 delta_ht
->agg_cnt
, max_ht
->agg_cnt
);
1131 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1132 fmt_table
, "unsupport_mcs:",
1133 le32_to_cpu(ht
->unsupport_mcs
),
1134 accum_ht
->unsupport_mcs
,
1135 delta_ht
->unsupport_mcs
, max_ht
->unsupport_mcs
);
1137 spin_unlock_bh(&priv
->statistics
.lock
);
1139 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
1144 static ssize_t
iwl_dbgfs_ucode_tx_stats_read(struct file
*file
,
1145 char __user
*user_buf
,
1146 size_t count
, loff_t
*ppos
)
1148 struct iwl_priv
*priv
= file
->private_data
;
1151 int bufsz
= (sizeof(struct statistics_tx
) * 48) + 250;
1153 struct statistics_tx
*tx
, *accum_tx
, *delta_tx
, *max_tx
;
1155 if (!iwl_is_alive(priv
))
1158 buf
= kzalloc(bufsz
, GFP_KERNEL
);
1162 /* the statistic information display here is based on
1163 * the last statistics notification from uCode
1164 * might not reflect the current uCode activity
1166 spin_lock_bh(&priv
->statistics
.lock
);
1168 tx
= &priv
->statistics
.tx
;
1169 accum_tx
= &priv
->accum_stats
.tx
;
1170 delta_tx
= &priv
->delta_stats
.tx
;
1171 max_tx
= &priv
->max_delta_stats
.tx
;
1173 pos
+= iwl_statistics_flag(priv
, buf
, bufsz
);
1174 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1175 fmt_header
, "Statistics_Tx:");
1176 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1177 fmt_table
, "preamble:",
1178 le32_to_cpu(tx
->preamble_cnt
),
1179 accum_tx
->preamble_cnt
,
1180 delta_tx
->preamble_cnt
, max_tx
->preamble_cnt
);
1181 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1182 fmt_table
, "rx_detected_cnt:",
1183 le32_to_cpu(tx
->rx_detected_cnt
),
1184 accum_tx
->rx_detected_cnt
,
1185 delta_tx
->rx_detected_cnt
, max_tx
->rx_detected_cnt
);
1186 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1187 fmt_table
, "bt_prio_defer_cnt:",
1188 le32_to_cpu(tx
->bt_prio_defer_cnt
),
1189 accum_tx
->bt_prio_defer_cnt
,
1190 delta_tx
->bt_prio_defer_cnt
,
1191 max_tx
->bt_prio_defer_cnt
);
1192 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1193 fmt_table
, "bt_prio_kill_cnt:",
1194 le32_to_cpu(tx
->bt_prio_kill_cnt
),
1195 accum_tx
->bt_prio_kill_cnt
,
1196 delta_tx
->bt_prio_kill_cnt
,
1197 max_tx
->bt_prio_kill_cnt
);
1198 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1199 fmt_table
, "few_bytes_cnt:",
1200 le32_to_cpu(tx
->few_bytes_cnt
),
1201 accum_tx
->few_bytes_cnt
,
1202 delta_tx
->few_bytes_cnt
, max_tx
->few_bytes_cnt
);
1203 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1204 fmt_table
, "cts_timeout:",
1205 le32_to_cpu(tx
->cts_timeout
), accum_tx
->cts_timeout
,
1206 delta_tx
->cts_timeout
, max_tx
->cts_timeout
);
1207 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1208 fmt_table
, "ack_timeout:",
1209 le32_to_cpu(tx
->ack_timeout
),
1210 accum_tx
->ack_timeout
,
1211 delta_tx
->ack_timeout
, max_tx
->ack_timeout
);
1212 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1213 fmt_table
, "expected_ack_cnt:",
1214 le32_to_cpu(tx
->expected_ack_cnt
),
1215 accum_tx
->expected_ack_cnt
,
1216 delta_tx
->expected_ack_cnt
,
1217 max_tx
->expected_ack_cnt
);
1218 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1219 fmt_table
, "actual_ack_cnt:",
1220 le32_to_cpu(tx
->actual_ack_cnt
),
1221 accum_tx
->actual_ack_cnt
,
1222 delta_tx
->actual_ack_cnt
,
1223 max_tx
->actual_ack_cnt
);
1224 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1225 fmt_table
, "dump_msdu_cnt:",
1226 le32_to_cpu(tx
->dump_msdu_cnt
),
1227 accum_tx
->dump_msdu_cnt
,
1228 delta_tx
->dump_msdu_cnt
,
1229 max_tx
->dump_msdu_cnt
);
1230 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1231 fmt_table
, "abort_nxt_frame_mismatch:",
1232 le32_to_cpu(tx
->burst_abort_next_frame_mismatch_cnt
),
1233 accum_tx
->burst_abort_next_frame_mismatch_cnt
,
1234 delta_tx
->burst_abort_next_frame_mismatch_cnt
,
1235 max_tx
->burst_abort_next_frame_mismatch_cnt
);
1236 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1237 fmt_table
, "abort_missing_nxt_frame:",
1238 le32_to_cpu(tx
->burst_abort_missing_next_frame_cnt
),
1239 accum_tx
->burst_abort_missing_next_frame_cnt
,
1240 delta_tx
->burst_abort_missing_next_frame_cnt
,
1241 max_tx
->burst_abort_missing_next_frame_cnt
);
1242 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1243 fmt_table
, "cts_timeout_collision:",
1244 le32_to_cpu(tx
->cts_timeout_collision
),
1245 accum_tx
->cts_timeout_collision
,
1246 delta_tx
->cts_timeout_collision
,
1247 max_tx
->cts_timeout_collision
);
1248 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1249 fmt_table
, "ack_ba_timeout_collision:",
1250 le32_to_cpu(tx
->ack_or_ba_timeout_collision
),
1251 accum_tx
->ack_or_ba_timeout_collision
,
1252 delta_tx
->ack_or_ba_timeout_collision
,
1253 max_tx
->ack_or_ba_timeout_collision
);
1254 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1255 fmt_table
, "agg ba_timeout:",
1256 le32_to_cpu(tx
->agg
.ba_timeout
),
1257 accum_tx
->agg
.ba_timeout
,
1258 delta_tx
->agg
.ba_timeout
,
1259 max_tx
->agg
.ba_timeout
);
1260 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1261 fmt_table
, "agg ba_resched_frames:",
1262 le32_to_cpu(tx
->agg
.ba_reschedule_frames
),
1263 accum_tx
->agg
.ba_reschedule_frames
,
1264 delta_tx
->agg
.ba_reschedule_frames
,
1265 max_tx
->agg
.ba_reschedule_frames
);
1266 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1267 fmt_table
, "agg scd_query_agg_frame:",
1268 le32_to_cpu(tx
->agg
.scd_query_agg_frame_cnt
),
1269 accum_tx
->agg
.scd_query_agg_frame_cnt
,
1270 delta_tx
->agg
.scd_query_agg_frame_cnt
,
1271 max_tx
->agg
.scd_query_agg_frame_cnt
);
1272 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1273 fmt_table
, "agg scd_query_no_agg:",
1274 le32_to_cpu(tx
->agg
.scd_query_no_agg
),
1275 accum_tx
->agg
.scd_query_no_agg
,
1276 delta_tx
->agg
.scd_query_no_agg
,
1277 max_tx
->agg
.scd_query_no_agg
);
1278 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1279 fmt_table
, "agg scd_query_agg:",
1280 le32_to_cpu(tx
->agg
.scd_query_agg
),
1281 accum_tx
->agg
.scd_query_agg
,
1282 delta_tx
->agg
.scd_query_agg
,
1283 max_tx
->agg
.scd_query_agg
);
1284 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1285 fmt_table
, "agg scd_query_mismatch:",
1286 le32_to_cpu(tx
->agg
.scd_query_mismatch
),
1287 accum_tx
->agg
.scd_query_mismatch
,
1288 delta_tx
->agg
.scd_query_mismatch
,
1289 max_tx
->agg
.scd_query_mismatch
);
1290 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1291 fmt_table
, "agg frame_not_ready:",
1292 le32_to_cpu(tx
->agg
.frame_not_ready
),
1293 accum_tx
->agg
.frame_not_ready
,
1294 delta_tx
->agg
.frame_not_ready
,
1295 max_tx
->agg
.frame_not_ready
);
1296 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1297 fmt_table
, "agg underrun:",
1298 le32_to_cpu(tx
->agg
.underrun
),
1299 accum_tx
->agg
.underrun
,
1300 delta_tx
->agg
.underrun
, max_tx
->agg
.underrun
);
1301 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1302 fmt_table
, "agg bt_prio_kill:",
1303 le32_to_cpu(tx
->agg
.bt_prio_kill
),
1304 accum_tx
->agg
.bt_prio_kill
,
1305 delta_tx
->agg
.bt_prio_kill
,
1306 max_tx
->agg
.bt_prio_kill
);
1307 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1308 fmt_table
, "agg rx_ba_rsp_cnt:",
1309 le32_to_cpu(tx
->agg
.rx_ba_rsp_cnt
),
1310 accum_tx
->agg
.rx_ba_rsp_cnt
,
1311 delta_tx
->agg
.rx_ba_rsp_cnt
,
1312 max_tx
->agg
.rx_ba_rsp_cnt
);
1314 if (tx
->tx_power
.ant_a
|| tx
->tx_power
.ant_b
|| tx
->tx_power
.ant_c
) {
1315 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1316 "tx power: (1/2 dB step)\n");
1317 if ((priv
->nvm_data
->valid_tx_ant
& ANT_A
) &&
1319 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1320 fmt_hex
, "antenna A:",
1321 tx
->tx_power
.ant_a
);
1322 if ((priv
->nvm_data
->valid_tx_ant
& ANT_B
) &&
1324 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1325 fmt_hex
, "antenna B:",
1326 tx
->tx_power
.ant_b
);
1327 if ((priv
->nvm_data
->valid_tx_ant
& ANT_C
) &&
1329 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1330 fmt_hex
, "antenna C:",
1331 tx
->tx_power
.ant_c
);
1334 spin_unlock_bh(&priv
->statistics
.lock
);
1336 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
1341 static ssize_t
iwl_dbgfs_ucode_general_stats_read(struct file
*file
,
1342 char __user
*user_buf
,
1343 size_t count
, loff_t
*ppos
)
1345 struct iwl_priv
*priv
= file
->private_data
;
1348 int bufsz
= sizeof(struct statistics_general
) * 10 + 300;
1350 struct statistics_general_common
*general
, *accum_general
;
1351 struct statistics_general_common
*delta_general
, *max_general
;
1352 struct statistics_dbg
*dbg
, *accum_dbg
, *delta_dbg
, *max_dbg
;
1353 struct statistics_div
*div
, *accum_div
, *delta_div
, *max_div
;
1355 if (!iwl_is_alive(priv
))
1358 buf
= kzalloc(bufsz
, GFP_KERNEL
);
1362 /* the statistic information display here is based on
1363 * the last statistics notification from uCode
1364 * might not reflect the current uCode activity
1367 spin_lock_bh(&priv
->statistics
.lock
);
1369 general
= &priv
->statistics
.common
;
1370 dbg
= &priv
->statistics
.common
.dbg
;
1371 div
= &priv
->statistics
.common
.div
;
1372 accum_general
= &priv
->accum_stats
.common
;
1373 accum_dbg
= &priv
->accum_stats
.common
.dbg
;
1374 accum_div
= &priv
->accum_stats
.common
.div
;
1375 delta_general
= &priv
->delta_stats
.common
;
1376 max_general
= &priv
->max_delta_stats
.common
;
1377 delta_dbg
= &priv
->delta_stats
.common
.dbg
;
1378 max_dbg
= &priv
->max_delta_stats
.common
.dbg
;
1379 delta_div
= &priv
->delta_stats
.common
.div
;
1380 max_div
= &priv
->max_delta_stats
.common
.div
;
1382 pos
+= iwl_statistics_flag(priv
, buf
, bufsz
);
1383 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1384 fmt_header
, "Statistics_General:");
1385 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1386 fmt_value
, "temperature:",
1387 le32_to_cpu(general
->temperature
));
1388 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1389 fmt_value
, "temperature_m:",
1390 le32_to_cpu(general
->temperature_m
));
1391 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1392 fmt_value
, "ttl_timestamp:",
1393 le32_to_cpu(general
->ttl_timestamp
));
1394 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1395 fmt_table
, "burst_check:",
1396 le32_to_cpu(dbg
->burst_check
),
1397 accum_dbg
->burst_check
,
1398 delta_dbg
->burst_check
, max_dbg
->burst_check
);
1399 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1400 fmt_table
, "burst_count:",
1401 le32_to_cpu(dbg
->burst_count
),
1402 accum_dbg
->burst_count
,
1403 delta_dbg
->burst_count
, max_dbg
->burst_count
);
1404 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1405 fmt_table
, "wait_for_silence_timeout_count:",
1406 le32_to_cpu(dbg
->wait_for_silence_timeout_cnt
),
1407 accum_dbg
->wait_for_silence_timeout_cnt
,
1408 delta_dbg
->wait_for_silence_timeout_cnt
,
1409 max_dbg
->wait_for_silence_timeout_cnt
);
1410 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1411 fmt_table
, "sleep_time:",
1412 le32_to_cpu(general
->sleep_time
),
1413 accum_general
->sleep_time
,
1414 delta_general
->sleep_time
, max_general
->sleep_time
);
1415 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1416 fmt_table
, "slots_out:",
1417 le32_to_cpu(general
->slots_out
),
1418 accum_general
->slots_out
,
1419 delta_general
->slots_out
, max_general
->slots_out
);
1420 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1421 fmt_table
, "slots_idle:",
1422 le32_to_cpu(general
->slots_idle
),
1423 accum_general
->slots_idle
,
1424 delta_general
->slots_idle
, max_general
->slots_idle
);
1425 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1426 fmt_table
, "tx_on_a:",
1427 le32_to_cpu(div
->tx_on_a
), accum_div
->tx_on_a
,
1428 delta_div
->tx_on_a
, max_div
->tx_on_a
);
1429 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1430 fmt_table
, "tx_on_b:",
1431 le32_to_cpu(div
->tx_on_b
), accum_div
->tx_on_b
,
1432 delta_div
->tx_on_b
, max_div
->tx_on_b
);
1433 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1434 fmt_table
, "exec_time:",
1435 le32_to_cpu(div
->exec_time
), accum_div
->exec_time
,
1436 delta_div
->exec_time
, max_div
->exec_time
);
1437 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1438 fmt_table
, "probe_time:",
1439 le32_to_cpu(div
->probe_time
), accum_div
->probe_time
,
1440 delta_div
->probe_time
, max_div
->probe_time
);
1441 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1442 fmt_table
, "rx_enable_counter:",
1443 le32_to_cpu(general
->rx_enable_counter
),
1444 accum_general
->rx_enable_counter
,
1445 delta_general
->rx_enable_counter
,
1446 max_general
->rx_enable_counter
);
1447 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1448 fmt_table
, "num_of_sos_states:",
1449 le32_to_cpu(general
->num_of_sos_states
),
1450 accum_general
->num_of_sos_states
,
1451 delta_general
->num_of_sos_states
,
1452 max_general
->num_of_sos_states
);
1454 spin_unlock_bh(&priv
->statistics
.lock
);
1456 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
1461 static ssize_t
iwl_dbgfs_ucode_bt_stats_read(struct file
*file
,
1462 char __user
*user_buf
,
1463 size_t count
, loff_t
*ppos
)
1465 struct iwl_priv
*priv
= (struct iwl_priv
*)file
->private_data
;
1468 int bufsz
= (sizeof(struct statistics_bt_activity
) * 24) + 200;
1470 struct statistics_bt_activity
*bt
, *accum_bt
;
1472 if (!iwl_is_alive(priv
))
1475 if (!priv
->bt_enable_flag
)
1478 /* make request to uCode to retrieve statistics information */
1479 mutex_lock(&priv
->mutex
);
1480 ret
= iwl_send_statistics_request(priv
, 0, false);
1481 mutex_unlock(&priv
->mutex
);
1485 buf
= kzalloc(bufsz
, GFP_KERNEL
);
1490 * the statistic information display here is based on
1491 * the last statistics notification from uCode
1492 * might not reflect the current uCode activity
1495 spin_lock_bh(&priv
->statistics
.lock
);
1497 bt
= &priv
->statistics
.bt_activity
;
1498 accum_bt
= &priv
->accum_stats
.bt_activity
;
1500 pos
+= iwl_statistics_flag(priv
, buf
, bufsz
);
1501 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "Statistics_BT:\n");
1502 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1503 "\t\t\tcurrent\t\t\taccumulative\n");
1504 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1505 "hi_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1506 le32_to_cpu(bt
->hi_priority_tx_req_cnt
),
1507 accum_bt
->hi_priority_tx_req_cnt
);
1508 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1509 "hi_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1510 le32_to_cpu(bt
->hi_priority_tx_denied_cnt
),
1511 accum_bt
->hi_priority_tx_denied_cnt
);
1512 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1513 "lo_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1514 le32_to_cpu(bt
->lo_priority_tx_req_cnt
),
1515 accum_bt
->lo_priority_tx_req_cnt
);
1516 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1517 "lo_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1518 le32_to_cpu(bt
->lo_priority_tx_denied_cnt
),
1519 accum_bt
->lo_priority_tx_denied_cnt
);
1520 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1521 "hi_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1522 le32_to_cpu(bt
->hi_priority_rx_req_cnt
),
1523 accum_bt
->hi_priority_rx_req_cnt
);
1524 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1525 "hi_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1526 le32_to_cpu(bt
->hi_priority_rx_denied_cnt
),
1527 accum_bt
->hi_priority_rx_denied_cnt
);
1528 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1529 "lo_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1530 le32_to_cpu(bt
->lo_priority_rx_req_cnt
),
1531 accum_bt
->lo_priority_rx_req_cnt
);
1532 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1533 "lo_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1534 le32_to_cpu(bt
->lo_priority_rx_denied_cnt
),
1535 accum_bt
->lo_priority_rx_denied_cnt
);
1537 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1538 "(rx)num_bt_kills:\t\t%u\t\t\t%u\n",
1539 le32_to_cpu(priv
->statistics
.num_bt_kills
),
1540 priv
->statistics
.accum_num_bt_kills
);
1542 spin_unlock_bh(&priv
->statistics
.lock
);
1544 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
1549 static ssize_t
iwl_dbgfs_reply_tx_error_read(struct file
*file
,
1550 char __user
*user_buf
,
1551 size_t count
, loff_t
*ppos
)
1553 struct iwl_priv
*priv
= (struct iwl_priv
*)file
->private_data
;
1556 int bufsz
= (sizeof(struct reply_tx_error_statistics
) * 24) +
1557 (sizeof(struct reply_agg_tx_error_statistics
) * 24) + 200;
1560 if (!iwl_is_alive(priv
))
1563 buf
= kzalloc(bufsz
, GFP_KERNEL
);
1567 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "Statistics_TX_Error:\n");
1568 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t\t%u\n",
1569 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_DELAY
),
1570 priv
->reply_tx_stats
.pp_delay
);
1571 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1572 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_FEW_BYTES
),
1573 priv
->reply_tx_stats
.pp_few_bytes
);
1574 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1575 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_BT_PRIO
),
1576 priv
->reply_tx_stats
.pp_bt_prio
);
1577 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1578 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_QUIET_PERIOD
),
1579 priv
->reply_tx_stats
.pp_quiet_period
);
1580 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1581 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_CALC_TTAK
),
1582 priv
->reply_tx_stats
.pp_calc_ttak
);
1583 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t%u\n",
1584 iwl_get_tx_fail_reason(
1585 TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY
),
1586 priv
->reply_tx_stats
.int_crossed_retry
);
1587 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1588 iwl_get_tx_fail_reason(TX_STATUS_FAIL_SHORT_LIMIT
),
1589 priv
->reply_tx_stats
.short_limit
);
1590 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1591 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LONG_LIMIT
),
1592 priv
->reply_tx_stats
.long_limit
);
1593 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1594 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_UNDERRUN
),
1595 priv
->reply_tx_stats
.fifo_underrun
);
1596 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1597 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DRAIN_FLOW
),
1598 priv
->reply_tx_stats
.drain_flow
);
1599 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1600 iwl_get_tx_fail_reason(TX_STATUS_FAIL_RFKILL_FLUSH
),
1601 priv
->reply_tx_stats
.rfkill_flush
);
1602 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1603 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LIFE_EXPIRE
),
1604 priv
->reply_tx_stats
.life_expire
);
1605 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1606 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DEST_PS
),
1607 priv
->reply_tx_stats
.dest_ps
);
1608 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1609 iwl_get_tx_fail_reason(TX_STATUS_FAIL_HOST_ABORTED
),
1610 priv
->reply_tx_stats
.host_abort
);
1611 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1612 iwl_get_tx_fail_reason(TX_STATUS_FAIL_BT_RETRY
),
1613 priv
->reply_tx_stats
.pp_delay
);
1614 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1615 iwl_get_tx_fail_reason(TX_STATUS_FAIL_STA_INVALID
),
1616 priv
->reply_tx_stats
.sta_invalid
);
1617 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1618 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FRAG_DROPPED
),
1619 priv
->reply_tx_stats
.frag_drop
);
1620 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1621 iwl_get_tx_fail_reason(TX_STATUS_FAIL_TID_DISABLE
),
1622 priv
->reply_tx_stats
.tid_disable
);
1623 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1624 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_FLUSHED
),
1625 priv
->reply_tx_stats
.fifo_flush
);
1626 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t%u\n",
1627 iwl_get_tx_fail_reason(
1628 TX_STATUS_FAIL_INSUFFICIENT_CF_POLL
),
1629 priv
->reply_tx_stats
.insuff_cf_poll
);
1630 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1631 iwl_get_tx_fail_reason(TX_STATUS_FAIL_PASSIVE_NO_RX
),
1632 priv
->reply_tx_stats
.fail_hw_drop
);
1633 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t%u\n",
1634 iwl_get_tx_fail_reason(
1635 TX_STATUS_FAIL_NO_BEACON_ON_RADAR
),
1636 priv
->reply_tx_stats
.sta_color_mismatch
);
1637 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "UNKNOWN:\t\t\t%u\n",
1638 priv
->reply_tx_stats
.unknown
);
1640 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1641 "\nStatistics_Agg_TX_Error:\n");
1643 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1644 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_UNDERRUN_MSK
),
1645 priv
->reply_agg_tx_stats
.underrun
);
1646 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1647 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_BT_PRIO_MSK
),
1648 priv
->reply_agg_tx_stats
.bt_prio
);
1649 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1650 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_FEW_BYTES_MSK
),
1651 priv
->reply_agg_tx_stats
.few_bytes
);
1652 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1653 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_ABORT_MSK
),
1654 priv
->reply_agg_tx_stats
.abort
);
1655 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t%u\n",
1656 iwl_get_agg_tx_fail_reason(
1657 AGG_TX_STATE_LAST_SENT_TTL_MSK
),
1658 priv
->reply_agg_tx_stats
.last_sent_ttl
);
1659 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t%u\n",
1660 iwl_get_agg_tx_fail_reason(
1661 AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK
),
1662 priv
->reply_agg_tx_stats
.last_sent_try
);
1663 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t%u\n",
1664 iwl_get_agg_tx_fail_reason(
1665 AGG_TX_STATE_LAST_SENT_BT_KILL_MSK
),
1666 priv
->reply_agg_tx_stats
.last_sent_bt_kill
);
1667 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1668 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_SCD_QUERY_MSK
),
1669 priv
->reply_agg_tx_stats
.scd_query
);
1670 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t%u\n",
1671 iwl_get_agg_tx_fail_reason(
1672 AGG_TX_STATE_TEST_BAD_CRC32_MSK
),
1673 priv
->reply_agg_tx_stats
.bad_crc32
);
1674 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1675 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_RESPONSE_MSK
),
1676 priv
->reply_agg_tx_stats
.response
);
1677 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1678 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DUMP_TX_MSK
),
1679 priv
->reply_agg_tx_stats
.dump_tx
);
1680 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s:\t\t\t%u\n",
1681 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DELAY_TX_MSK
),
1682 priv
->reply_agg_tx_stats
.delay_tx
);
1683 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "UNKNOWN:\t\t\t%u\n",
1684 priv
->reply_agg_tx_stats
.unknown
);
1686 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
1691 static ssize_t
iwl_dbgfs_sensitivity_read(struct file
*file
,
1692 char __user
*user_buf
,
1693 size_t count
, loff_t
*ppos
) {
1695 struct iwl_priv
*priv
= file
->private_data
;
1699 int bufsz
= sizeof(struct iwl_sensitivity_data
) * 4 + 100;
1701 struct iwl_sensitivity_data
*data
;
1703 data
= &priv
->sensitivity_data
;
1704 buf
= kzalloc(bufsz
, GFP_KERNEL
);
1708 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "auto_corr_ofdm:\t\t\t %u\n",
1709 data
->auto_corr_ofdm
);
1710 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1711 "auto_corr_ofdm_mrc:\t\t %u\n",
1712 data
->auto_corr_ofdm_mrc
);
1713 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "auto_corr_ofdm_x1:\t\t %u\n",
1714 data
->auto_corr_ofdm_x1
);
1715 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1716 "auto_corr_ofdm_mrc_x1:\t\t %u\n",
1717 data
->auto_corr_ofdm_mrc_x1
);
1718 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "auto_corr_cck:\t\t\t %u\n",
1719 data
->auto_corr_cck
);
1720 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "auto_corr_cck_mrc:\t\t %u\n",
1721 data
->auto_corr_cck_mrc
);
1722 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1723 "last_bad_plcp_cnt_ofdm:\t\t %u\n",
1724 data
->last_bad_plcp_cnt_ofdm
);
1725 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "last_fa_cnt_ofdm:\t\t %u\n",
1726 data
->last_fa_cnt_ofdm
);
1727 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1728 "last_bad_plcp_cnt_cck:\t\t %u\n",
1729 data
->last_bad_plcp_cnt_cck
);
1730 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "last_fa_cnt_cck:\t\t %u\n",
1731 data
->last_fa_cnt_cck
);
1732 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "nrg_curr_state:\t\t\t %u\n",
1733 data
->nrg_curr_state
);
1734 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "nrg_prev_state:\t\t\t %u\n",
1735 data
->nrg_prev_state
);
1736 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "nrg_value:\t\t\t");
1737 for (cnt
= 0; cnt
< 10; cnt
++) {
1738 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, " %u",
1739 data
->nrg_value
[cnt
]);
1741 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "\n");
1742 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "nrg_silence_rssi:\t\t");
1743 for (cnt
= 0; cnt
< NRG_NUM_PREV_STAT_L
; cnt
++) {
1744 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, " %u",
1745 data
->nrg_silence_rssi
[cnt
]);
1747 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "\n");
1748 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "nrg_silence_ref:\t\t %u\n",
1749 data
->nrg_silence_ref
);
1750 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "nrg_energy_idx:\t\t\t %u\n",
1751 data
->nrg_energy_idx
);
1752 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "nrg_silence_idx:\t\t %u\n",
1753 data
->nrg_silence_idx
);
1754 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "nrg_th_cck:\t\t\t %u\n",
1756 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1757 "nrg_auto_corr_silence_diff:\t %u\n",
1758 data
->nrg_auto_corr_silence_diff
);
1759 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "num_in_cck_no_fa:\t\t %u\n",
1760 data
->num_in_cck_no_fa
);
1761 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "nrg_th_ofdm:\t\t\t %u\n",
1764 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
1770 static ssize_t
iwl_dbgfs_chain_noise_read(struct file
*file
,
1771 char __user
*user_buf
,
1772 size_t count
, loff_t
*ppos
) {
1774 struct iwl_priv
*priv
= file
->private_data
;
1778 int bufsz
= sizeof(struct iwl_chain_noise_data
) * 4 + 100;
1780 struct iwl_chain_noise_data
*data
;
1782 data
= &priv
->chain_noise_data
;
1783 buf
= kzalloc(bufsz
, GFP_KERNEL
);
1787 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "active_chains:\t\t\t %u\n",
1788 data
->active_chains
);
1789 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "chain_noise_a:\t\t\t %u\n",
1790 data
->chain_noise_a
);
1791 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "chain_noise_b:\t\t\t %u\n",
1792 data
->chain_noise_b
);
1793 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "chain_noise_c:\t\t\t %u\n",
1794 data
->chain_noise_c
);
1795 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "chain_signal_a:\t\t\t %u\n",
1796 data
->chain_signal_a
);
1797 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "chain_signal_b:\t\t\t %u\n",
1798 data
->chain_signal_b
);
1799 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "chain_signal_c:\t\t\t %u\n",
1800 data
->chain_signal_c
);
1801 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "beacon_count:\t\t\t %u\n",
1802 data
->beacon_count
);
1804 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "disconn_array:\t\t\t");
1805 for (cnt
= 0; cnt
< NUM_RX_CHAINS
; cnt
++) {
1806 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, " %u",
1807 data
->disconn_array
[cnt
]);
1809 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "\n");
1810 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "delta_gain_code:\t\t");
1811 for (cnt
= 0; cnt
< NUM_RX_CHAINS
; cnt
++) {
1812 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, " %u",
1813 data
->delta_gain_code
[cnt
]);
1815 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "\n");
1816 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "radio_write:\t\t\t %u\n",
1818 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "state:\t\t\t\t %u\n",
1821 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
1826 static ssize_t
iwl_dbgfs_power_save_status_read(struct file
*file
,
1827 char __user
*user_buf
,
1828 size_t count
, loff_t
*ppos
)
1830 struct iwl_priv
*priv
= file
->private_data
;
1833 const size_t bufsz
= sizeof(buf
);
1836 pwrsave_status
= iwl_read32(priv
->trans
, CSR_GP_CNTRL
) &
1837 CSR_GP_REG_POWER_SAVE_STATUS_MSK
;
1839 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "Power Save Status: ");
1840 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%s\n",
1841 (pwrsave_status
== CSR_GP_REG_NO_POWER_SAVE
) ? "none" :
1842 (pwrsave_status
== CSR_GP_REG_MAC_POWER_SAVE
) ? "MAC" :
1843 (pwrsave_status
== CSR_GP_REG_PHY_POWER_SAVE
) ? "PHY" :
1846 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
1849 static ssize_t
iwl_dbgfs_clear_ucode_statistics_write(struct file
*file
,
1850 const char __user
*user_buf
,
1851 size_t count
, loff_t
*ppos
)
1853 struct iwl_priv
*priv
= file
->private_data
;
1858 memset(buf
, 0, sizeof(buf
));
1859 buf_size
= min(count
, sizeof(buf
) - 1);
1860 if (copy_from_user(buf
, user_buf
, buf_size
))
1862 if (sscanf(buf
, "%d", &clear
) != 1)
1865 /* make request to uCode to retrieve statistics information */
1866 mutex_lock(&priv
->mutex
);
1867 iwl_send_statistics_request(priv
, 0, true);
1868 mutex_unlock(&priv
->mutex
);
1873 static ssize_t
iwl_dbgfs_ucode_tracing_read(struct file
*file
,
1874 char __user
*user_buf
,
1875 size_t count
, loff_t
*ppos
) {
1877 struct iwl_priv
*priv
= file
->private_data
;
1880 const size_t bufsz
= sizeof(buf
);
1882 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "ucode trace timer is %s\n",
1883 priv
->event_log
.ucode_trace
? "On" : "Off");
1884 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "non_wraps_count:\t\t %u\n",
1885 priv
->event_log
.non_wraps_count
);
1886 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "wraps_once_count:\t\t %u\n",
1887 priv
->event_log
.wraps_once_count
);
1888 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "wraps_more_count:\t\t %u\n",
1889 priv
->event_log
.wraps_more_count
);
1891 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
1894 static ssize_t
iwl_dbgfs_ucode_tracing_write(struct file
*file
,
1895 const char __user
*user_buf
,
1896 size_t count
, loff_t
*ppos
)
1898 struct iwl_priv
*priv
= file
->private_data
;
1903 memset(buf
, 0, sizeof(buf
));
1904 buf_size
= min(count
, sizeof(buf
) - 1);
1905 if (copy_from_user(buf
, user_buf
, buf_size
))
1907 if (sscanf(buf
, "%d", &trace
) != 1)
1911 priv
->event_log
.ucode_trace
= true;
1912 if (iwl_is_alive(priv
)) {
1913 /* start collecting data now */
1914 mod_timer(&priv
->ucode_trace
, jiffies
);
1917 priv
->event_log
.ucode_trace
= false;
1918 del_timer_sync(&priv
->ucode_trace
);
1924 static ssize_t
iwl_dbgfs_rxon_flags_read(struct file
*file
,
1925 char __user
*user_buf
,
1926 size_t count
, loff_t
*ppos
) {
1928 struct iwl_priv
*priv
= file
->private_data
;
1932 len
= sprintf(buf
, "0x%04X\n",
1933 le32_to_cpu(priv
->contexts
[IWL_RXON_CTX_BSS
].active
.flags
));
1934 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
1937 static ssize_t
iwl_dbgfs_rxon_filter_flags_read(struct file
*file
,
1938 char __user
*user_buf
,
1939 size_t count
, loff_t
*ppos
) {
1941 struct iwl_priv
*priv
= file
->private_data
;
1945 len
= sprintf(buf
, "0x%04X\n",
1946 le32_to_cpu(priv
->contexts
[IWL_RXON_CTX_BSS
].active
.filter_flags
));
1947 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
1950 static ssize_t
iwl_dbgfs_missed_beacon_read(struct file
*file
,
1951 char __user
*user_buf
,
1952 size_t count
, loff_t
*ppos
) {
1954 struct iwl_priv
*priv
= file
->private_data
;
1957 const size_t bufsz
= sizeof(buf
);
1959 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%d\n",
1960 priv
->missed_beacon_threshold
);
1962 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
1965 static ssize_t
iwl_dbgfs_missed_beacon_write(struct file
*file
,
1966 const char __user
*user_buf
,
1967 size_t count
, loff_t
*ppos
)
1969 struct iwl_priv
*priv
= file
->private_data
;
1974 memset(buf
, 0, sizeof(buf
));
1975 buf_size
= min(count
, sizeof(buf
) - 1);
1976 if (copy_from_user(buf
, user_buf
, buf_size
))
1978 if (sscanf(buf
, "%d", &missed
) != 1)
1981 if (missed
< IWL_MISSED_BEACON_THRESHOLD_MIN
||
1982 missed
> IWL_MISSED_BEACON_THRESHOLD_MAX
)
1983 priv
->missed_beacon_threshold
=
1984 IWL_MISSED_BEACON_THRESHOLD_DEF
;
1986 priv
->missed_beacon_threshold
= missed
;
1991 static ssize_t
iwl_dbgfs_plcp_delta_read(struct file
*file
,
1992 char __user
*user_buf
,
1993 size_t count
, loff_t
*ppos
) {
1995 struct iwl_priv
*priv
= file
->private_data
;
1998 const size_t bufsz
= sizeof(buf
);
2000 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%u\n",
2001 priv
->plcp_delta_threshold
);
2003 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
2006 static ssize_t
iwl_dbgfs_plcp_delta_write(struct file
*file
,
2007 const char __user
*user_buf
,
2008 size_t count
, loff_t
*ppos
) {
2010 struct iwl_priv
*priv
= file
->private_data
;
2015 memset(buf
, 0, sizeof(buf
));
2016 buf_size
= min(count
, sizeof(buf
) - 1);
2017 if (copy_from_user(buf
, user_buf
, buf_size
))
2019 if (sscanf(buf
, "%d", &plcp
) != 1)
2021 if ((plcp
< IWL_MAX_PLCP_ERR_THRESHOLD_MIN
) ||
2022 (plcp
> IWL_MAX_PLCP_ERR_THRESHOLD_MAX
))
2023 priv
->plcp_delta_threshold
=
2024 IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE
;
2026 priv
->plcp_delta_threshold
= plcp
;
2030 static ssize_t
iwl_dbgfs_rf_reset_read(struct file
*file
,
2031 char __user
*user_buf
,
2032 size_t count
, loff_t
*ppos
)
2034 struct iwl_priv
*priv
= file
->private_data
;
2037 const size_t bufsz
= sizeof(buf
);
2038 struct iwl_rf_reset
*rf_reset
= &priv
->rf_reset
;
2040 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
2041 "RF reset statistics\n");
2042 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
2043 "\tnumber of reset request: %d\n",
2044 rf_reset
->reset_request_count
);
2045 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
2046 "\tnumber of reset request success: %d\n",
2047 rf_reset
->reset_success_count
);
2048 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
2049 "\tnumber of reset request reject: %d\n",
2050 rf_reset
->reset_reject_count
);
2052 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
2055 static ssize_t
iwl_dbgfs_rf_reset_write(struct file
*file
,
2056 const char __user
*user_buf
,
2057 size_t count
, loff_t
*ppos
) {
2059 struct iwl_priv
*priv
= file
->private_data
;
2062 ret
= iwl_force_rf_reset(priv
, true);
2063 return ret
? ret
: count
;
2066 static ssize_t
iwl_dbgfs_txfifo_flush_write(struct file
*file
,
2067 const char __user
*user_buf
,
2068 size_t count
, loff_t
*ppos
) {
2070 struct iwl_priv
*priv
= file
->private_data
;
2075 memset(buf
, 0, sizeof(buf
));
2076 buf_size
= min(count
, sizeof(buf
) - 1);
2077 if (copy_from_user(buf
, user_buf
, buf_size
))
2079 if (sscanf(buf
, "%d", &flush
) != 1)
2082 if (iwl_is_rfkill(priv
))
2085 iwlagn_dev_txfifo_flush(priv
);
2090 static ssize_t
iwl_dbgfs_bt_traffic_read(struct file
*file
,
2091 char __user
*user_buf
,
2092 size_t count
, loff_t
*ppos
) {
2094 struct iwl_priv
*priv
= (struct iwl_priv
*)file
->private_data
;
2097 const size_t bufsz
= sizeof(buf
);
2099 if (!priv
->bt_enable_flag
) {
2100 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "BT coex disabled\n");
2101 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
2103 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "BT enable flag: 0x%x\n",
2104 priv
->bt_enable_flag
);
2105 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "BT in %s mode\n",
2106 priv
->bt_full_concurrent
? "full concurrency" : "3-wire");
2107 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "BT status: %s, "
2108 "last traffic notif: %d\n",
2109 priv
->bt_status
? "On" : "Off", priv
->last_bt_traffic_load
);
2110 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "ch_announcement: %d, "
2111 "kill_ack_mask: %x, kill_cts_mask: %x\n",
2112 priv
->bt_ch_announce
, priv
->kill_ack_mask
,
2113 priv
->kill_cts_mask
);
2115 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "bluetooth traffic load: ");
2116 switch (priv
->bt_traffic_load
) {
2117 case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS
:
2118 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "Continuous\n");
2120 case IWL_BT_COEX_TRAFFIC_LOAD_HIGH
:
2121 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "High\n");
2123 case IWL_BT_COEX_TRAFFIC_LOAD_LOW
:
2124 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "Low\n");
2126 case IWL_BT_COEX_TRAFFIC_LOAD_NONE
:
2128 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "None\n");
2132 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
2135 static ssize_t
iwl_dbgfs_protection_mode_read(struct file
*file
,
2136 char __user
*user_buf
,
2137 size_t count
, loff_t
*ppos
)
2139 struct iwl_priv
*priv
= (struct iwl_priv
*)file
->private_data
;
2143 const size_t bufsz
= sizeof(buf
);
2145 if (priv
->cfg
->ht_params
)
2146 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
2147 "use %s for aggregation\n",
2148 (priv
->hw_params
.use_rts_for_aggregation
) ?
2149 "rts/cts" : "cts-to-self");
2151 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "N/A");
2153 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
2156 static ssize_t
iwl_dbgfs_protection_mode_write(struct file
*file
,
2157 const char __user
*user_buf
,
2158 size_t count
, loff_t
*ppos
) {
2160 struct iwl_priv
*priv
= file
->private_data
;
2165 if (!priv
->cfg
->ht_params
)
2168 memset(buf
, 0, sizeof(buf
));
2169 buf_size
= min(count
, sizeof(buf
) - 1);
2170 if (copy_from_user(buf
, user_buf
, buf_size
))
2172 if (sscanf(buf
, "%d", &rts
) != 1)
2175 priv
->hw_params
.use_rts_for_aggregation
= true;
2177 priv
->hw_params
.use_rts_for_aggregation
= false;
2181 static int iwl_cmd_echo_test(struct iwl_priv
*priv
)
2184 struct iwl_host_cmd cmd
= {
2189 ret
= iwl_dvm_send_cmd(priv
, &cmd
);
2191 IWL_ERR(priv
, "echo testing fail: 0X%x\n", ret
);
2193 IWL_DEBUG_INFO(priv
, "echo testing pass\n");
2197 static ssize_t
iwl_dbgfs_echo_test_write(struct file
*file
,
2198 const char __user
*user_buf
,
2199 size_t count
, loff_t
*ppos
)
2201 struct iwl_priv
*priv
= file
->private_data
;
2205 memset(buf
, 0, sizeof(buf
));
2206 buf_size
= min(count
, sizeof(buf
) - 1);
2207 if (copy_from_user(buf
, user_buf
, buf_size
))
2210 iwl_cmd_echo_test(priv
);
2214 #ifdef CONFIG_IWLWIFI_DEBUG
2215 static ssize_t
iwl_dbgfs_log_event_read(struct file
*file
,
2216 char __user
*user_buf
,
2217 size_t count
, loff_t
*ppos
)
2219 struct iwl_priv
*priv
= file
->private_data
;
2223 ret
= iwl_dump_nic_event_log(priv
, true, &buf
);
2225 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, ret
);
2230 static ssize_t
iwl_dbgfs_log_event_write(struct file
*file
,
2231 const char __user
*user_buf
,
2232 size_t count
, loff_t
*ppos
)
2234 struct iwl_priv
*priv
= file
->private_data
;
2239 /* check that the interface is up */
2240 if (!iwl_is_ready(priv
))
2243 memset(buf
, 0, sizeof(buf
));
2244 buf_size
= min(count
, sizeof(buf
) - 1);
2245 if (copy_from_user(buf
, user_buf
, buf_size
))
2247 if (sscanf(buf
, "%d", &event_log_flag
) != 1)
2249 if (event_log_flag
== 1)
2250 iwl_dump_nic_event_log(priv
, true, NULL
);
2256 static ssize_t
iwl_dbgfs_calib_disabled_read(struct file
*file
,
2257 char __user
*user_buf
,
2258 size_t count
, loff_t
*ppos
)
2260 struct iwl_priv
*priv
= file
->private_data
;
2263 const size_t bufsz
= sizeof(buf
);
2265 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
2266 "Sensitivity calibrations %s\n",
2267 (priv
->calib_disabled
&
2268 IWL_SENSITIVITY_CALIB_DISABLED
) ?
2269 "DISABLED" : "ENABLED");
2270 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
2271 "Chain noise calibrations %s\n",
2272 (priv
->calib_disabled
&
2273 IWL_CHAIN_NOISE_CALIB_DISABLED
) ?
2274 "DISABLED" : "ENABLED");
2275 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
2276 "Tx power calibrations %s\n",
2277 (priv
->calib_disabled
&
2278 IWL_TX_POWER_CALIB_DISABLED
) ?
2279 "DISABLED" : "ENABLED");
2281 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
2284 static ssize_t
iwl_dbgfs_calib_disabled_write(struct file
*file
,
2285 const char __user
*user_buf
,
2286 size_t count
, loff_t
*ppos
)
2288 struct iwl_priv
*priv
= file
->private_data
;
2293 memset(buf
, 0, sizeof(buf
));
2294 buf_size
= min(count
, sizeof(buf
) - 1);
2295 if (copy_from_user(buf
, user_buf
, buf_size
))
2297 if (sscanf(buf
, "%x", &calib_disabled
) != 1)
2300 priv
->calib_disabled
= calib_disabled
;
2305 static ssize_t
iwl_dbgfs_fw_restart_write(struct file
*file
,
2306 const char __user
*user_buf
,
2307 size_t count
, loff_t
*ppos
)
2309 struct iwl_priv
*priv
= file
->private_data
;
2310 bool restart_fw
= iwlwifi_mod_params
.restart_fw
;
2313 iwlwifi_mod_params
.restart_fw
= true;
2315 mutex_lock(&priv
->mutex
);
2317 /* take the return value to make compiler happy - it will fail anyway */
2318 ret
= iwl_dvm_send_cmd_pdu(priv
, REPLY_ERROR
, 0, 0, NULL
);
2320 mutex_unlock(&priv
->mutex
);
2322 iwlwifi_mod_params
.restart_fw
= restart_fw
;
2327 DEBUGFS_READ_FILE_OPS(ucode_rx_stats
);
2328 DEBUGFS_READ_FILE_OPS(ucode_tx_stats
);
2329 DEBUGFS_READ_FILE_OPS(ucode_general_stats
);
2330 DEBUGFS_READ_FILE_OPS(sensitivity
);
2331 DEBUGFS_READ_FILE_OPS(chain_noise
);
2332 DEBUGFS_READ_FILE_OPS(power_save_status
);
2333 DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics
);
2334 DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing
);
2335 DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon
);
2336 DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta
);
2337 DEBUGFS_READ_WRITE_FILE_OPS(rf_reset
);
2338 DEBUGFS_READ_FILE_OPS(rxon_flags
);
2339 DEBUGFS_READ_FILE_OPS(rxon_filter_flags
);
2340 DEBUGFS_WRITE_FILE_OPS(txfifo_flush
);
2341 DEBUGFS_READ_FILE_OPS(ucode_bt_stats
);
2342 DEBUGFS_READ_FILE_OPS(bt_traffic
);
2343 DEBUGFS_READ_WRITE_FILE_OPS(protection_mode
);
2344 DEBUGFS_READ_FILE_OPS(reply_tx_error
);
2345 DEBUGFS_WRITE_FILE_OPS(echo_test
);
2346 DEBUGFS_WRITE_FILE_OPS(fw_restart
);
2347 #ifdef CONFIG_IWLWIFI_DEBUG
2348 DEBUGFS_READ_WRITE_FILE_OPS(log_event
);
2350 DEBUGFS_READ_WRITE_FILE_OPS(calib_disabled
);
2353 * Create the debugfs files and directories
2356 int iwl_dbgfs_register(struct iwl_priv
*priv
, struct dentry
*dbgfs_dir
)
2358 struct dentry
*dir_data
, *dir_rf
, *dir_debug
;
2360 priv
->debugfs_dir
= dbgfs_dir
;
2362 dir_data
= debugfs_create_dir("data", dbgfs_dir
);
2365 dir_rf
= debugfs_create_dir("rf", dbgfs_dir
);
2368 dir_debug
= debugfs_create_dir("debug", dbgfs_dir
);
2372 DEBUGFS_ADD_FILE(nvm
, dir_data
, S_IRUSR
);
2373 DEBUGFS_ADD_FILE(sram
, dir_data
, S_IWUSR
| S_IRUSR
);
2374 DEBUGFS_ADD_FILE(wowlan_sram
, dir_data
, S_IRUSR
);
2375 DEBUGFS_ADD_FILE(stations
, dir_data
, S_IRUSR
);
2376 DEBUGFS_ADD_FILE(channels
, dir_data
, S_IRUSR
);
2377 DEBUGFS_ADD_FILE(status
, dir_data
, S_IRUSR
);
2378 DEBUGFS_ADD_FILE(rx_handlers
, dir_data
, S_IWUSR
| S_IRUSR
);
2379 DEBUGFS_ADD_FILE(qos
, dir_data
, S_IRUSR
);
2380 DEBUGFS_ADD_FILE(sleep_level_override
, dir_data
, S_IWUSR
| S_IRUSR
);
2381 DEBUGFS_ADD_FILE(current_sleep_command
, dir_data
, S_IRUSR
);
2382 DEBUGFS_ADD_FILE(thermal_throttling
, dir_data
, S_IRUSR
);
2383 DEBUGFS_ADD_FILE(disable_ht40
, dir_data
, S_IWUSR
| S_IRUSR
);
2384 DEBUGFS_ADD_FILE(temperature
, dir_data
, S_IRUSR
);
2386 DEBUGFS_ADD_FILE(power_save_status
, dir_debug
, S_IRUSR
);
2387 DEBUGFS_ADD_FILE(clear_ucode_statistics
, dir_debug
, S_IWUSR
);
2388 DEBUGFS_ADD_FILE(missed_beacon
, dir_debug
, S_IWUSR
);
2389 DEBUGFS_ADD_FILE(plcp_delta
, dir_debug
, S_IWUSR
| S_IRUSR
);
2390 DEBUGFS_ADD_FILE(rf_reset
, dir_debug
, S_IWUSR
| S_IRUSR
);
2391 DEBUGFS_ADD_FILE(ucode_rx_stats
, dir_debug
, S_IRUSR
);
2392 DEBUGFS_ADD_FILE(ucode_tx_stats
, dir_debug
, S_IRUSR
);
2393 DEBUGFS_ADD_FILE(ucode_general_stats
, dir_debug
, S_IRUSR
);
2394 DEBUGFS_ADD_FILE(txfifo_flush
, dir_debug
, S_IWUSR
);
2395 DEBUGFS_ADD_FILE(protection_mode
, dir_debug
, S_IWUSR
| S_IRUSR
);
2396 DEBUGFS_ADD_FILE(sensitivity
, dir_debug
, S_IRUSR
);
2397 DEBUGFS_ADD_FILE(chain_noise
, dir_debug
, S_IRUSR
);
2398 DEBUGFS_ADD_FILE(ucode_tracing
, dir_debug
, S_IWUSR
| S_IRUSR
);
2399 DEBUGFS_ADD_FILE(ucode_bt_stats
, dir_debug
, S_IRUSR
);
2400 DEBUGFS_ADD_FILE(reply_tx_error
, dir_debug
, S_IRUSR
);
2401 DEBUGFS_ADD_FILE(rxon_flags
, dir_debug
, S_IWUSR
);
2402 DEBUGFS_ADD_FILE(rxon_filter_flags
, dir_debug
, S_IWUSR
);
2403 DEBUGFS_ADD_FILE(echo_test
, dir_debug
, S_IWUSR
);
2404 DEBUGFS_ADD_FILE(fw_restart
, dir_debug
, S_IWUSR
);
2405 #ifdef CONFIG_IWLWIFI_DEBUG
2406 DEBUGFS_ADD_FILE(log_event
, dir_debug
, S_IWUSR
| S_IRUSR
);
2409 if (iwl_advanced_bt_coexist(priv
))
2410 DEBUGFS_ADD_FILE(bt_traffic
, dir_debug
, S_IRUSR
);
2412 /* Calibrations disabled/enabled status*/
2413 DEBUGFS_ADD_FILE(calib_disabled
, dir_rf
, S_IWUSR
| S_IRUSR
);
2416 * Create a symlink with mac80211. This is not very robust, as it does
2417 * not remove the symlink created. The implicit assumption is that
2418 * when the opmode exits, mac80211 will also exit, and will remove
2419 * this symlink as part of its cleanup.
2421 if (priv
->mac80211_registered
) {
2423 struct dentry
*mac80211_dir
, *dev_dir
, *root_dir
;
2425 dev_dir
= dbgfs_dir
->d_parent
;
2426 root_dir
= dev_dir
->d_parent
;
2427 mac80211_dir
= priv
->hw
->wiphy
->debugfsdir
;
2429 snprintf(buf
, 100, "../../%s/%s", root_dir
->d_name
.name
,
2430 dev_dir
->d_name
.name
);
2432 if (!debugfs_create_symlink("iwlwifi", mac80211_dir
, buf
))
2439 IWL_ERR(priv
, "failed to create the dvm debugfs entries\n");