1 /******************************************************************************
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
8 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
9 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
10 * Copyright(c) 2016 Intel Deutschland GmbH
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of version 2 of the GNU General Public License as
14 * published by the Free Software Foundation.
16 * This program is distributed in the hope that it will be useful, but
17 * WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
26 * The full GNU General Public License is included in this distribution
27 * in the file called COPYING.
29 * Contact Information:
30 * Intel Linux Wireless <linuxwifi@intel.com>
31 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
35 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
36 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
37 * All rights reserved.
39 * Redistribution and use in source and binary forms, with or without
40 * modification, are permitted provided that the following conditions
43 * * Redistributions of source code must retain the above copyright
44 * notice, this list of conditions and the following disclaimer.
45 * * Redistributions in binary form must reproduce the above copyright
46 * notice, this list of conditions and the following disclaimer in
47 * the documentation and/or other materials provided with the
49 * * Neither the name Intel Corporation nor the names of its
50 * contributors may be used to endorse or promote products derived
51 * from this software without specific prior written permission.
53 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
54 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
55 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
56 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
57 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
58 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
59 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
60 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
61 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
62 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
63 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
65 *****************************************************************************/
66 #include <linux/vmalloc.h>
67 #include <linux/ieee80211.h>
74 #include "iwl-fw-error-dump.h"
76 static ssize_t
iwl_dbgfs_ctdp_budget_read(struct file
*file
,
77 char __user
*user_buf
,
78 size_t count
, loff_t
*ppos
)
80 struct iwl_mvm
*mvm
= file
->private_data
;
84 if (!mvm
->ucode_loaded
|| mvm
->cur_ucode
!= IWL_UCODE_REGULAR
)
87 mutex_lock(&mvm
->mutex
);
88 budget
= iwl_mvm_ctdp_command(mvm
, CTDP_CMD_OPERATION_REPORT
, 0);
89 mutex_unlock(&mvm
->mutex
);
94 pos
= scnprintf(buf
, sizeof(buf
), "%d\n", budget
);
96 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
99 static ssize_t
iwl_dbgfs_stop_ctdp_write(struct iwl_mvm
*mvm
, char *buf
,
100 size_t count
, loff_t
*ppos
)
104 if (!mvm
->ucode_loaded
|| mvm
->cur_ucode
!= IWL_UCODE_REGULAR
)
107 mutex_lock(&mvm
->mutex
);
108 ret
= iwl_mvm_ctdp_command(mvm
, CTDP_CMD_OPERATION_STOP
, 0);
109 mutex_unlock(&mvm
->mutex
);
114 static ssize_t
iwl_dbgfs_tx_flush_write(struct iwl_mvm
*mvm
, char *buf
,
115 size_t count
, loff_t
*ppos
)
120 if (!mvm
->ucode_loaded
|| mvm
->cur_ucode
!= IWL_UCODE_REGULAR
)
123 if (sscanf(buf
, "%x", &scd_q_msk
) != 1)
126 IWL_ERR(mvm
, "FLUSHING queues: scd_q_msk = 0x%x\n", scd_q_msk
);
128 mutex_lock(&mvm
->mutex
);
129 ret
= iwl_mvm_flush_tx_path(mvm
, scd_q_msk
, 0) ? : count
;
130 mutex_unlock(&mvm
->mutex
);
135 static ssize_t
iwl_dbgfs_sta_drain_write(struct iwl_mvm
*mvm
, char *buf
,
136 size_t count
, loff_t
*ppos
)
138 struct iwl_mvm_sta
*mvmsta
;
139 int sta_id
, drain
, ret
;
141 if (!mvm
->ucode_loaded
|| mvm
->cur_ucode
!= IWL_UCODE_REGULAR
)
144 if (sscanf(buf
, "%d %d", &sta_id
, &drain
) != 2)
146 if (sta_id
< 0 || sta_id
>= IWL_MVM_STATION_COUNT
)
148 if (drain
< 0 || drain
> 1)
151 mutex_lock(&mvm
->mutex
);
153 mvmsta
= iwl_mvm_sta_from_staid_protected(mvm
, sta_id
);
158 ret
= iwl_mvm_drain_sta(mvm
, mvmsta
, drain
) ? : count
;
160 mutex_unlock(&mvm
->mutex
);
165 static ssize_t
iwl_dbgfs_sram_read(struct file
*file
, char __user
*user_buf
,
166 size_t count
, loff_t
*ppos
)
168 struct iwl_mvm
*mvm
= file
->private_data
;
169 const struct fw_img
*img
;
170 unsigned int ofs
, len
;
174 if (!mvm
->ucode_loaded
)
177 /* default is to dump the entire data segment */
178 img
= &mvm
->fw
->img
[mvm
->cur_ucode
];
179 ofs
= img
->sec
[IWL_UCODE_SECTION_DATA
].offset
;
180 len
= img
->sec
[IWL_UCODE_SECTION_DATA
].len
;
182 if (mvm
->dbgfs_sram_len
) {
183 ofs
= mvm
->dbgfs_sram_offset
;
184 len
= mvm
->dbgfs_sram_len
;
187 ptr
= kzalloc(len
, GFP_KERNEL
);
191 iwl_trans_read_mem_bytes(mvm
->trans
, ofs
, ptr
, len
);
193 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, ptr
, len
);
200 static ssize_t
iwl_dbgfs_sram_write(struct iwl_mvm
*mvm
, char *buf
,
201 size_t count
, loff_t
*ppos
)
203 const struct fw_img
*img
;
205 u32 img_offset
, img_len
;
207 if (!mvm
->ucode_loaded
)
210 img
= &mvm
->fw
->img
[mvm
->cur_ucode
];
211 img_offset
= img
->sec
[IWL_UCODE_SECTION_DATA
].offset
;
212 img_len
= img
->sec
[IWL_UCODE_SECTION_DATA
].len
;
214 if (sscanf(buf
, "%x,%x", &offset
, &len
) == 2) {
215 if ((offset
& 0x3) || (len
& 0x3))
218 if (offset
+ len
> img_offset
+ img_len
)
221 mvm
->dbgfs_sram_offset
= offset
;
222 mvm
->dbgfs_sram_len
= len
;
224 mvm
->dbgfs_sram_offset
= 0;
225 mvm
->dbgfs_sram_len
= 0;
231 static ssize_t
iwl_dbgfs_set_nic_temperature_read(struct file
*file
,
232 char __user
*user_buf
,
233 size_t count
, loff_t
*ppos
)
235 struct iwl_mvm
*mvm
= file
->private_data
;
239 if (!mvm
->temperature_test
)
240 pos
= scnprintf(buf
, sizeof(buf
), "disabled\n");
242 pos
= scnprintf(buf
, sizeof(buf
), "%d\n", mvm
->temperature
);
244 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
248 * Set NIC Temperature
249 * Cause the driver to ignore the actual NIC temperature reported by the FW
250 * Enable: any value between IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -
251 * IWL_MVM_DEBUG_SET_TEMPERATURE_MAX
252 * Disable: IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE
254 static ssize_t
iwl_dbgfs_set_nic_temperature_write(struct iwl_mvm
*mvm
,
255 char *buf
, size_t count
,
260 if (!mvm
->ucode_loaded
&& !mvm
->temperature_test
)
263 if (kstrtoint(buf
, 10, &temperature
))
265 /* not a legal temperature */
266 if ((temperature
> IWL_MVM_DEBUG_SET_TEMPERATURE_MAX
&&
267 temperature
!= IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE
) ||
268 temperature
< IWL_MVM_DEBUG_SET_TEMPERATURE_MIN
)
271 mutex_lock(&mvm
->mutex
);
272 if (temperature
== IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE
) {
273 if (!mvm
->temperature_test
)
276 mvm
->temperature_test
= false;
277 /* Since we can't read the temp while awake, just set
278 * it to zero until we get the next RX stats from the
281 mvm
->temperature
= 0;
283 mvm
->temperature_test
= true;
284 mvm
->temperature
= temperature
;
286 IWL_DEBUG_TEMP(mvm
, "%sabling debug set temperature (temp = %d)\n",
287 mvm
->temperature_test
? "En" : "Dis" ,
289 /* handle the temperature change */
290 iwl_mvm_tt_handler(mvm
);
293 mutex_unlock(&mvm
->mutex
);
298 static ssize_t
iwl_dbgfs_nic_temp_read(struct file
*file
,
299 char __user
*user_buf
,
300 size_t count
, loff_t
*ppos
)
302 struct iwl_mvm
*mvm
= file
->private_data
;
307 if (!mvm
->ucode_loaded
)
310 mutex_lock(&mvm
->mutex
);
311 ret
= iwl_mvm_get_temp(mvm
, &temp
);
312 mutex_unlock(&mvm
->mutex
);
317 pos
= scnprintf(buf
, sizeof(buf
), "%d\n", temp
);
319 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
322 static ssize_t
iwl_dbgfs_stations_read(struct file
*file
, char __user
*user_buf
,
323 size_t count
, loff_t
*ppos
)
325 struct iwl_mvm
*mvm
= file
->private_data
;
326 struct ieee80211_sta
*sta
;
328 int i
, pos
= 0, bufsz
= sizeof(buf
);
330 mutex_lock(&mvm
->mutex
);
332 for (i
= 0; i
< IWL_MVM_STATION_COUNT
; i
++) {
333 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%.2d: ", i
);
334 sta
= rcu_dereference_protected(mvm
->fw_id_to_mac_id
[i
],
335 lockdep_is_held(&mvm
->mutex
));
337 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "N/A\n");
338 else if (IS_ERR(sta
))
339 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%ld\n",
342 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%pM\n",
346 mutex_unlock(&mvm
->mutex
);
348 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
351 static ssize_t
iwl_dbgfs_disable_power_off_read(struct file
*file
,
352 char __user
*user_buf
,
353 size_t count
, loff_t
*ppos
)
355 struct iwl_mvm
*mvm
= file
->private_data
;
357 int bufsz
= sizeof(buf
);
360 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "disable_power_off_d0=%d\n",
361 mvm
->disable_power_off
);
362 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "disable_power_off_d3=%d\n",
363 mvm
->disable_power_off_d3
);
365 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
368 static ssize_t
iwl_dbgfs_disable_power_off_write(struct iwl_mvm
*mvm
, char *buf
,
369 size_t count
, loff_t
*ppos
)
373 if (!mvm
->ucode_loaded
)
376 if (!strncmp("disable_power_off_d0=", buf
, 21)) {
377 if (sscanf(buf
+ 21, "%d", &val
) != 1)
379 mvm
->disable_power_off
= val
;
380 } else if (!strncmp("disable_power_off_d3=", buf
, 21)) {
381 if (sscanf(buf
+ 21, "%d", &val
) != 1)
383 mvm
->disable_power_off_d3
= val
;
388 mutex_lock(&mvm
->mutex
);
389 ret
= iwl_mvm_power_update_device(mvm
);
390 mutex_unlock(&mvm
->mutex
);
395 #define BT_MBOX_MSG(_notif, _num, _field) \
396 ((le32_to_cpu((_notif)->mbox_msg[(_num)]) & BT_MBOX##_num##_##_field)\
397 >> BT_MBOX##_num##_##_field##_POS)
400 #define BT_MBOX_PRINT(_num, _field, _end) \
401 pos += scnprintf(buf + pos, bufsz - pos, \
404 BT_MBOX_MSG(notif, _num, _field), \
408 int iwl_mvm_coex_dump_mbox(struct iwl_bt_coex_profile_notif
*notif
, char *buf
,
411 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "MBOX dw0:\n");
413 BT_MBOX_PRINT(0, LE_SLAVE_LAT
, false);
414 BT_MBOX_PRINT(0, LE_PROF1
, false);
415 BT_MBOX_PRINT(0, LE_PROF2
, false);
416 BT_MBOX_PRINT(0, LE_PROF_OTHER
, false);
417 BT_MBOX_PRINT(0, CHL_SEQ_N
, false);
418 BT_MBOX_PRINT(0, INBAND_S
, false);
419 BT_MBOX_PRINT(0, LE_MIN_RSSI
, false);
420 BT_MBOX_PRINT(0, LE_SCAN
, false);
421 BT_MBOX_PRINT(0, LE_ADV
, false);
422 BT_MBOX_PRINT(0, LE_MAX_TX_POWER
, false);
423 BT_MBOX_PRINT(0, OPEN_CON_1
, true);
425 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "MBOX dw1:\n");
427 BT_MBOX_PRINT(1, BR_MAX_TX_POWER
, false);
428 BT_MBOX_PRINT(1, IP_SR
, false);
429 BT_MBOX_PRINT(1, LE_MSTR
, false);
430 BT_MBOX_PRINT(1, AGGR_TRFC_LD
, false);
431 BT_MBOX_PRINT(1, MSG_TYPE
, false);
432 BT_MBOX_PRINT(1, SSN
, true);
434 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "MBOX dw2:\n");
436 BT_MBOX_PRINT(2, SNIFF_ACT
, false);
437 BT_MBOX_PRINT(2, PAG
, false);
438 BT_MBOX_PRINT(2, INQUIRY
, false);
439 BT_MBOX_PRINT(2, CONN
, false);
440 BT_MBOX_PRINT(2, SNIFF_INTERVAL
, false);
441 BT_MBOX_PRINT(2, DISC
, false);
442 BT_MBOX_PRINT(2, SCO_TX_ACT
, false);
443 BT_MBOX_PRINT(2, SCO_RX_ACT
, false);
444 BT_MBOX_PRINT(2, ESCO_RE_TX
, false);
445 BT_MBOX_PRINT(2, SCO_DURATION
, true);
447 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "MBOX dw3:\n");
449 BT_MBOX_PRINT(3, SCO_STATE
, false);
450 BT_MBOX_PRINT(3, SNIFF_STATE
, false);
451 BT_MBOX_PRINT(3, A2DP_STATE
, false);
452 BT_MBOX_PRINT(3, ACL_STATE
, false);
453 BT_MBOX_PRINT(3, MSTR_STATE
, false);
454 BT_MBOX_PRINT(3, OBX_STATE
, false);
455 BT_MBOX_PRINT(3, OPEN_CON_2
, false);
456 BT_MBOX_PRINT(3, TRAFFIC_LOAD
, false);
457 BT_MBOX_PRINT(3, CHL_SEQN_LSB
, false);
458 BT_MBOX_PRINT(3, INBAND_P
, false);
459 BT_MBOX_PRINT(3, MSG_TYPE_2
, false);
460 BT_MBOX_PRINT(3, SSN_2
, false);
461 BT_MBOX_PRINT(3, UPDATE_REQUEST
, true);
467 int iwl_mvm_coex_dump_mbox_old(struct iwl_bt_coex_profile_notif_old
*notif
,
468 char *buf
, int pos
, int bufsz
)
470 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "MBOX dw0:\n");
472 BT_MBOX_PRINT(0, LE_SLAVE_LAT
, false);
473 BT_MBOX_PRINT(0, LE_PROF1
, false);
474 BT_MBOX_PRINT(0, LE_PROF2
, false);
475 BT_MBOX_PRINT(0, LE_PROF_OTHER
, false);
476 BT_MBOX_PRINT(0, CHL_SEQ_N
, false);
477 BT_MBOX_PRINT(0, INBAND_S
, false);
478 BT_MBOX_PRINT(0, LE_MIN_RSSI
, false);
479 BT_MBOX_PRINT(0, LE_SCAN
, false);
480 BT_MBOX_PRINT(0, LE_ADV
, false);
481 BT_MBOX_PRINT(0, LE_MAX_TX_POWER
, false);
482 BT_MBOX_PRINT(0, OPEN_CON_1
, true);
484 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "MBOX dw1:\n");
486 BT_MBOX_PRINT(1, BR_MAX_TX_POWER
, false);
487 BT_MBOX_PRINT(1, IP_SR
, false);
488 BT_MBOX_PRINT(1, LE_MSTR
, false);
489 BT_MBOX_PRINT(1, AGGR_TRFC_LD
, false);
490 BT_MBOX_PRINT(1, MSG_TYPE
, false);
491 BT_MBOX_PRINT(1, SSN
, true);
493 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "MBOX dw2:\n");
495 BT_MBOX_PRINT(2, SNIFF_ACT
, false);
496 BT_MBOX_PRINT(2, PAG
, false);
497 BT_MBOX_PRINT(2, INQUIRY
, false);
498 BT_MBOX_PRINT(2, CONN
, false);
499 BT_MBOX_PRINT(2, SNIFF_INTERVAL
, false);
500 BT_MBOX_PRINT(2, DISC
, false);
501 BT_MBOX_PRINT(2, SCO_TX_ACT
, false);
502 BT_MBOX_PRINT(2, SCO_RX_ACT
, false);
503 BT_MBOX_PRINT(2, ESCO_RE_TX
, false);
504 BT_MBOX_PRINT(2, SCO_DURATION
, true);
506 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "MBOX dw3:\n");
508 BT_MBOX_PRINT(3, SCO_STATE
, false);
509 BT_MBOX_PRINT(3, SNIFF_STATE
, false);
510 BT_MBOX_PRINT(3, A2DP_STATE
, false);
511 BT_MBOX_PRINT(3, ACL_STATE
, false);
512 BT_MBOX_PRINT(3, MSTR_STATE
, false);
513 BT_MBOX_PRINT(3, OBX_STATE
, false);
514 BT_MBOX_PRINT(3, OPEN_CON_2
, false);
515 BT_MBOX_PRINT(3, TRAFFIC_LOAD
, false);
516 BT_MBOX_PRINT(3, CHL_SEQN_LSB
, false);
517 BT_MBOX_PRINT(3, INBAND_P
, false);
518 BT_MBOX_PRINT(3, MSG_TYPE_2
, false);
519 BT_MBOX_PRINT(3, SSN_2
, false);
520 BT_MBOX_PRINT(3, UPDATE_REQUEST
, true);
525 static ssize_t
iwl_dbgfs_bt_notif_read(struct file
*file
, char __user
*user_buf
,
526 size_t count
, loff_t
*ppos
)
528 struct iwl_mvm
*mvm
= file
->private_data
;
530 int ret
, pos
= 0, bufsz
= sizeof(char) * 1024;
532 buf
= kmalloc(bufsz
, GFP_KERNEL
);
536 mutex_lock(&mvm
->mutex
);
538 if (!fw_has_api(&mvm
->fw
->ucode_capa
,
539 IWL_UCODE_TLV_API_BT_COEX_SPLIT
)) {
540 struct iwl_bt_coex_profile_notif_old
*notif
=
541 &mvm
->last_bt_notif_old
;
543 pos
+= iwl_mvm_coex_dump_mbox_old(notif
, buf
, pos
, bufsz
);
545 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "bt_ci_compliance = %d\n",
546 notif
->bt_ci_compliance
);
547 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "primary_ch_lut = %d\n",
548 le32_to_cpu(notif
->primary_ch_lut
));
549 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "secondary_ch_lut = %d\n",
550 le32_to_cpu(notif
->secondary_ch_lut
));
551 pos
+= scnprintf(buf
+pos
,
552 bufsz
-pos
, "bt_activity_grading = %d\n",
553 le32_to_cpu(notif
->bt_activity_grading
));
554 pos
+= scnprintf(buf
+pos
, bufsz
-pos
,
555 "antenna isolation = %d CORUN LUT index = %d\n",
556 mvm
->last_ant_isol
, mvm
->last_corun_lut
);
557 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "bt_rrc = %d\n",
559 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "bt_ttc = %d\n",
562 struct iwl_bt_coex_profile_notif
*notif
=
565 pos
+= iwl_mvm_coex_dump_mbox(notif
, buf
, pos
, bufsz
);
567 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "bt_ci_compliance = %d\n",
568 notif
->bt_ci_compliance
);
569 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "primary_ch_lut = %d\n",
570 le32_to_cpu(notif
->primary_ch_lut
));
571 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "secondary_ch_lut = %d\n",
572 le32_to_cpu(notif
->secondary_ch_lut
));
573 pos
+= scnprintf(buf
+pos
,
574 bufsz
-pos
, "bt_activity_grading = %d\n",
575 le32_to_cpu(notif
->bt_activity_grading
));
576 pos
+= scnprintf(buf
+pos
, bufsz
-pos
,
577 "antenna isolation = %d CORUN LUT index = %d\n",
578 mvm
->last_ant_isol
, mvm
->last_corun_lut
);
579 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "bt_rrc = %d\n",
580 (notif
->ttc_rrc_status
>> 4) & 0xF);
581 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "bt_ttc = %d\n",
582 notif
->ttc_rrc_status
& 0xF);
585 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "sync_sco = %d\n",
586 IWL_MVM_BT_COEX_SYNC2SCO
);
587 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "mplut = %d\n",
588 IWL_MVM_BT_COEX_MPLUT
);
589 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "corunning = %d\n",
590 IWL_MVM_BT_COEX_CORUNNING
);
592 mutex_unlock(&mvm
->mutex
);
594 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
601 static ssize_t
iwl_dbgfs_bt_cmd_read(struct file
*file
, char __user
*user_buf
,
602 size_t count
, loff_t
*ppos
)
604 struct iwl_mvm
*mvm
= file
->private_data
;
606 int bufsz
= sizeof(buf
);
609 mutex_lock(&mvm
->mutex
);
611 if (!fw_has_api(&mvm
->fw
->ucode_capa
,
612 IWL_UCODE_TLV_API_BT_COEX_SPLIT
)) {
613 struct iwl_bt_coex_ci_cmd_old
*cmd
= &mvm
->last_bt_ci_cmd_old
;
615 pos
+= scnprintf(buf
+pos
, bufsz
-pos
,
616 "Channel inhibition CMD\n");
617 pos
+= scnprintf(buf
+pos
, bufsz
-pos
,
618 "\tPrimary Channel Bitmap 0x%016llx\n",
619 le64_to_cpu(cmd
->bt_primary_ci
));
620 pos
+= scnprintf(buf
+pos
, bufsz
-pos
,
621 "\tSecondary Channel Bitmap 0x%016llx\n",
622 le64_to_cpu(cmd
->bt_secondary_ci
));
624 pos
+= scnprintf(buf
+pos
, bufsz
-pos
,
625 "BT Configuration CMD - 0=default, 1=never, 2=always\n");
626 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "\tACK Kill msk idx %d\n",
627 mvm
->bt_ack_kill_msk
[0]);
628 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "\tCTS Kill msk idx %d\n",
629 mvm
->bt_cts_kill_msk
[0]);
632 struct iwl_bt_coex_ci_cmd
*cmd
= &mvm
->last_bt_ci_cmd
;
634 pos
+= scnprintf(buf
+pos
, bufsz
-pos
,
635 "Channel inhibition CMD\n");
636 pos
+= scnprintf(buf
+pos
, bufsz
-pos
,
637 "\tPrimary Channel Bitmap 0x%016llx\n",
638 le64_to_cpu(cmd
->bt_primary_ci
));
639 pos
+= scnprintf(buf
+pos
, bufsz
-pos
,
640 "\tSecondary Channel Bitmap 0x%016llx\n",
641 le64_to_cpu(cmd
->bt_secondary_ci
));
644 mutex_unlock(&mvm
->mutex
);
646 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
650 iwl_dbgfs_bt_tx_prio_write(struct iwl_mvm
*mvm
, char *buf
,
651 size_t count
, loff_t
*ppos
)
655 if (sscanf(buf
, "%u", &bt_tx_prio
) != 1)
660 mvm
->bt_tx_prio
= bt_tx_prio
;
666 iwl_dbgfs_bt_force_ant_write(struct iwl_mvm
*mvm
, char *buf
,
667 size_t count
, loff_t
*ppos
)
669 static const char * const modes_str
[BT_FORCE_ANT_MAX
] = {
670 [BT_FORCE_ANT_DIS
] = "dis",
671 [BT_FORCE_ANT_AUTO
] = "auto",
672 [BT_FORCE_ANT_BT
] = "bt",
673 [BT_FORCE_ANT_WIFI
] = "wifi",
675 int ret
, bt_force_ant_mode
;
677 for (bt_force_ant_mode
= 0;
678 bt_force_ant_mode
< ARRAY_SIZE(modes_str
);
679 bt_force_ant_mode
++) {
680 if (!strcmp(buf
, modes_str
[bt_force_ant_mode
]))
684 if (bt_force_ant_mode
>= ARRAY_SIZE(modes_str
))
688 mutex_lock(&mvm
->mutex
);
689 if (mvm
->bt_force_ant_mode
== bt_force_ant_mode
)
692 mvm
->bt_force_ant_mode
= bt_force_ant_mode
;
693 IWL_DEBUG_COEX(mvm
, "Force mode: %s\n",
694 modes_str
[mvm
->bt_force_ant_mode
]);
695 ret
= iwl_send_bt_init_conf(mvm
);
698 mutex_unlock(&mvm
->mutex
);
702 #define PRINT_STATS_LE32(_struct, _memb) \
703 pos += scnprintf(buf + pos, bufsz - pos, \
705 le32_to_cpu(_struct->_memb))
707 static ssize_t
iwl_dbgfs_fw_rx_stats_read(struct file
*file
,
708 char __user
*user_buf
, size_t count
,
711 struct iwl_mvm
*mvm
= file
->private_data
;
712 static const char *fmt_table
= "\t%-30s %10u\n";
713 static const char *fmt_header
= "%-32s\n";
717 /* 43 is the size of each data line, 33 is the size of each header */
719 ((sizeof(struct mvm_statistics_rx
) / sizeof(__le32
)) * 43) +
722 struct mvm_statistics_rx_phy
*ofdm
;
723 struct mvm_statistics_rx_phy
*cck
;
724 struct mvm_statistics_rx_non_phy
*general
;
725 struct mvm_statistics_rx_ht_phy
*ht
;
727 buf
= kzalloc(bufsz
, GFP_KERNEL
);
731 mutex_lock(&mvm
->mutex
);
733 ofdm
= &mvm
->rx_stats
.ofdm
;
734 cck
= &mvm
->rx_stats
.cck
;
735 general
= &mvm
->rx_stats
.general
;
736 ht
= &mvm
->rx_stats
.ofdm_ht
;
738 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, fmt_header
,
739 "Statistics_Rx - OFDM");
740 PRINT_STATS_LE32(ofdm
, ina_cnt
);
741 PRINT_STATS_LE32(ofdm
, fina_cnt
);
742 PRINT_STATS_LE32(ofdm
, plcp_err
);
743 PRINT_STATS_LE32(ofdm
, crc32_err
);
744 PRINT_STATS_LE32(ofdm
, overrun_err
);
745 PRINT_STATS_LE32(ofdm
, early_overrun_err
);
746 PRINT_STATS_LE32(ofdm
, crc32_good
);
747 PRINT_STATS_LE32(ofdm
, false_alarm_cnt
);
748 PRINT_STATS_LE32(ofdm
, fina_sync_err_cnt
);
749 PRINT_STATS_LE32(ofdm
, sfd_timeout
);
750 PRINT_STATS_LE32(ofdm
, fina_timeout
);
751 PRINT_STATS_LE32(ofdm
, unresponded_rts
);
752 PRINT_STATS_LE32(ofdm
, rxe_frame_lmt_overrun
);
753 PRINT_STATS_LE32(ofdm
, sent_ack_cnt
);
754 PRINT_STATS_LE32(ofdm
, sent_cts_cnt
);
755 PRINT_STATS_LE32(ofdm
, sent_ba_rsp_cnt
);
756 PRINT_STATS_LE32(ofdm
, dsp_self_kill
);
757 PRINT_STATS_LE32(ofdm
, mh_format_err
);
758 PRINT_STATS_LE32(ofdm
, re_acq_main_rssi_sum
);
759 PRINT_STATS_LE32(ofdm
, reserved
);
761 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, fmt_header
,
762 "Statistics_Rx - CCK");
763 PRINT_STATS_LE32(cck
, ina_cnt
);
764 PRINT_STATS_LE32(cck
, fina_cnt
);
765 PRINT_STATS_LE32(cck
, plcp_err
);
766 PRINT_STATS_LE32(cck
, crc32_err
);
767 PRINT_STATS_LE32(cck
, overrun_err
);
768 PRINT_STATS_LE32(cck
, early_overrun_err
);
769 PRINT_STATS_LE32(cck
, crc32_good
);
770 PRINT_STATS_LE32(cck
, false_alarm_cnt
);
771 PRINT_STATS_LE32(cck
, fina_sync_err_cnt
);
772 PRINT_STATS_LE32(cck
, sfd_timeout
);
773 PRINT_STATS_LE32(cck
, fina_timeout
);
774 PRINT_STATS_LE32(cck
, unresponded_rts
);
775 PRINT_STATS_LE32(cck
, rxe_frame_lmt_overrun
);
776 PRINT_STATS_LE32(cck
, sent_ack_cnt
);
777 PRINT_STATS_LE32(cck
, sent_cts_cnt
);
778 PRINT_STATS_LE32(cck
, sent_ba_rsp_cnt
);
779 PRINT_STATS_LE32(cck
, dsp_self_kill
);
780 PRINT_STATS_LE32(cck
, mh_format_err
);
781 PRINT_STATS_LE32(cck
, re_acq_main_rssi_sum
);
782 PRINT_STATS_LE32(cck
, reserved
);
784 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, fmt_header
,
785 "Statistics_Rx - GENERAL");
786 PRINT_STATS_LE32(general
, bogus_cts
);
787 PRINT_STATS_LE32(general
, bogus_ack
);
788 PRINT_STATS_LE32(general
, non_bssid_frames
);
789 PRINT_STATS_LE32(general
, filtered_frames
);
790 PRINT_STATS_LE32(general
, non_channel_beacons
);
791 PRINT_STATS_LE32(general
, channel_beacons
);
792 PRINT_STATS_LE32(general
, num_missed_bcon
);
793 PRINT_STATS_LE32(general
, adc_rx_saturation_time
);
794 PRINT_STATS_LE32(general
, ina_detection_search_time
);
795 PRINT_STATS_LE32(general
, beacon_silence_rssi_a
);
796 PRINT_STATS_LE32(general
, beacon_silence_rssi_b
);
797 PRINT_STATS_LE32(general
, beacon_silence_rssi_c
);
798 PRINT_STATS_LE32(general
, interference_data_flag
);
799 PRINT_STATS_LE32(general
, channel_load
);
800 PRINT_STATS_LE32(general
, dsp_false_alarms
);
801 PRINT_STATS_LE32(general
, beacon_rssi_a
);
802 PRINT_STATS_LE32(general
, beacon_rssi_b
);
803 PRINT_STATS_LE32(general
, beacon_rssi_c
);
804 PRINT_STATS_LE32(general
, beacon_energy_a
);
805 PRINT_STATS_LE32(general
, beacon_energy_b
);
806 PRINT_STATS_LE32(general
, beacon_energy_c
);
807 PRINT_STATS_LE32(general
, num_bt_kills
);
808 PRINT_STATS_LE32(general
, mac_id
);
809 PRINT_STATS_LE32(general
, directed_data_mpdu
);
811 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, fmt_header
,
812 "Statistics_Rx - HT");
813 PRINT_STATS_LE32(ht
, plcp_err
);
814 PRINT_STATS_LE32(ht
, overrun_err
);
815 PRINT_STATS_LE32(ht
, early_overrun_err
);
816 PRINT_STATS_LE32(ht
, crc32_good
);
817 PRINT_STATS_LE32(ht
, crc32_err
);
818 PRINT_STATS_LE32(ht
, mh_format_err
);
819 PRINT_STATS_LE32(ht
, agg_crc32_good
);
820 PRINT_STATS_LE32(ht
, agg_mpdu_cnt
);
821 PRINT_STATS_LE32(ht
, agg_cnt
);
822 PRINT_STATS_LE32(ht
, unsupport_mcs
);
824 mutex_unlock(&mvm
->mutex
);
826 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
831 #undef PRINT_STAT_LE32
833 static ssize_t
iwl_dbgfs_frame_stats_read(struct iwl_mvm
*mvm
,
834 char __user
*user_buf
, size_t count
,
836 struct iwl_mvm_frame_stats
*stats
)
838 char *buff
, *pos
, *endpos
;
841 static const size_t bufsz
= 1024;
843 buff
= kmalloc(bufsz
, GFP_KERNEL
);
847 spin_lock_bh(&mvm
->drv_stats_lock
);
850 endpos
= pos
+ bufsz
;
852 pos
+= scnprintf(pos
, endpos
- pos
,
853 "Legacy/HT/VHT\t:\t%d/%d/%d\n",
854 stats
->legacy_frames
,
857 pos
+= scnprintf(pos
, endpos
- pos
, "20/40/80\t:\t%d/%d/%d\n",
860 stats
->bw_80_frames
);
861 pos
+= scnprintf(pos
, endpos
- pos
, "NGI/SGI\t\t:\t%d/%d\n",
864 pos
+= scnprintf(pos
, endpos
- pos
, "SISO/MIMO2\t:\t%d/%d\n",
866 stats
->mimo2_frames
);
867 pos
+= scnprintf(pos
, endpos
- pos
, "FAIL/SCSS\t:\t%d/%d\n",
869 stats
->success_frames
);
870 pos
+= scnprintf(pos
, endpos
- pos
, "MPDUs agg\t:\t%d\n",
872 pos
+= scnprintf(pos
, endpos
- pos
, "A-MPDUs\t\t:\t%d\n",
874 pos
+= scnprintf(pos
, endpos
- pos
, "Avg MPDUs/A-MPDU:\t%d\n",
875 stats
->ampdu_count
> 0 ?
876 (stats
->agg_frames
/ stats
->ampdu_count
) : 0);
878 pos
+= scnprintf(pos
, endpos
- pos
, "Last Rates\n");
880 idx
= stats
->last_frame_idx
- 1;
881 for (i
= 0; i
< ARRAY_SIZE(stats
->last_rates
); i
++) {
882 idx
= (idx
+ 1) % ARRAY_SIZE(stats
->last_rates
);
883 if (stats
->last_rates
[idx
] == 0)
885 pos
+= scnprintf(pos
, endpos
- pos
, "Rate[%d]: ",
886 (int)(ARRAY_SIZE(stats
->last_rates
) - i
));
887 pos
+= rs_pretty_print_rate(pos
, stats
->last_rates
[idx
]);
889 spin_unlock_bh(&mvm
->drv_stats_lock
);
891 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, buff
, pos
- buff
);
897 static ssize_t
iwl_dbgfs_drv_rx_stats_read(struct file
*file
,
898 char __user
*user_buf
, size_t count
,
901 struct iwl_mvm
*mvm
= file
->private_data
;
903 return iwl_dbgfs_frame_stats_read(mvm
, user_buf
, count
, ppos
,
907 static ssize_t
iwl_dbgfs_fw_restart_write(struct iwl_mvm
*mvm
, char *buf
,
908 size_t count
, loff_t
*ppos
)
912 mutex_lock(&mvm
->mutex
);
914 /* allow one more restart that we're provoking here */
915 if (mvm
->restart_fw
>= 0)
918 /* take the return value to make compiler happy - it will fail anyway */
919 ret
= iwl_mvm_send_cmd_pdu(mvm
, REPLY_ERROR
, 0, 0, NULL
);
921 mutex_unlock(&mvm
->mutex
);
926 static ssize_t
iwl_dbgfs_fw_nmi_write(struct iwl_mvm
*mvm
, char *buf
,
927 size_t count
, loff_t
*ppos
)
929 int ret
= iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_NMI
);
933 iwl_force_nmi(mvm
->trans
);
935 iwl_mvm_unref(mvm
, IWL_MVM_REF_NMI
);
941 iwl_dbgfs_scan_ant_rxchain_read(struct file
*file
,
942 char __user
*user_buf
,
943 size_t count
, loff_t
*ppos
)
945 struct iwl_mvm
*mvm
= file
->private_data
;
948 const size_t bufsz
= sizeof(buf
);
950 /* print which antennas were set for the scan command by the user */
951 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "Antennas for scan: ");
952 if (mvm
->scan_rx_ant
& ANT_A
)
953 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "A");
954 if (mvm
->scan_rx_ant
& ANT_B
)
955 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "B");
956 if (mvm
->scan_rx_ant
& ANT_C
)
957 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "C");
958 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, " (%hhx)\n", mvm
->scan_rx_ant
);
960 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
964 iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm
*mvm
, char *buf
,
965 size_t count
, loff_t
*ppos
)
969 if (sscanf(buf
, "%hhx", &scan_rx_ant
) != 1)
971 if (scan_rx_ant
> ANT_ABC
)
973 if (scan_rx_ant
& ~(iwl_mvm_get_valid_rx_ant(mvm
)))
976 if (mvm
->scan_rx_ant
!= scan_rx_ant
) {
977 mvm
->scan_rx_ant
= scan_rx_ant
;
978 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
979 IWL_UCODE_TLV_CAPA_UMAC_SCAN
))
980 iwl_mvm_config_scan(mvm
);
986 static ssize_t
iwl_dbgfs_indirection_tbl_write(struct iwl_mvm
*mvm
,
987 char *buf
, size_t count
,
990 struct iwl_rss_config_cmd cmd
= {
991 .flags
= cpu_to_le32(IWL_RSS_ENABLE
),
992 .hash_mask
= IWL_RSS_HASH_TYPE_IPV4_TCP
|
993 IWL_RSS_HASH_TYPE_IPV4_PAYLOAD
|
994 IWL_RSS_HASH_TYPE_IPV6_TCP
|
995 IWL_RSS_HASH_TYPE_IPV6_PAYLOAD
,
997 int ret
, i
, num_repeats
, nbytes
= count
/ 2;
999 ret
= hex2bin(cmd
.indirection_table
, buf
, nbytes
);
1004 * The input is the redirection table, partial or full.
1005 * Repeat the pattern if needed.
1006 * For example, input of 01020F will be repeated 42 times,
1007 * indirecting RSS hash results to queues 1, 2, 15 (skipping
1010 num_repeats
= ARRAY_SIZE(cmd
.indirection_table
) / nbytes
;
1011 for (i
= 1; i
< num_repeats
; i
++)
1012 memcpy(&cmd
.indirection_table
[i
* nbytes
],
1013 cmd
.indirection_table
, nbytes
);
1014 /* handle cut in the middle pattern for the last places */
1015 memcpy(&cmd
.indirection_table
[i
* nbytes
], cmd
.indirection_table
,
1016 ARRAY_SIZE(cmd
.indirection_table
) % nbytes
);
1018 memcpy(cmd
.secret_key
, mvm
->secret_key
, sizeof(cmd
.secret_key
));
1020 mutex_lock(&mvm
->mutex
);
1021 ret
= iwl_mvm_send_cmd_pdu(mvm
, RSS_CONFIG_CMD
, 0, sizeof(cmd
), &cmd
);
1022 mutex_unlock(&mvm
->mutex
);
1024 return ret
?: count
;
1027 static ssize_t
iwl_dbgfs_fw_dbg_conf_read(struct file
*file
,
1028 char __user
*user_buf
,
1029 size_t count
, loff_t
*ppos
)
1031 struct iwl_mvm
*mvm
= file
->private_data
;
1034 const size_t bufsz
= sizeof(buf
);
1037 mutex_lock(&mvm
->mutex
);
1038 conf
= mvm
->fw_dbg_conf
;
1039 mutex_unlock(&mvm
->mutex
);
1041 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%d\n", conf
);
1043 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
1047 * Enable / Disable continuous recording.
1048 * Cause the FW to start continuous recording, by sending the relevant hcmd.
1049 * Enable: input of every integer larger than 0, ENABLE_CONT_RECORDING.
1050 * Disable: for 0 as input, DISABLE_CONT_RECORDING.
1052 static ssize_t
iwl_dbgfs_cont_recording_write(struct iwl_mvm
*mvm
,
1053 char *buf
, size_t count
,
1056 struct iwl_trans
*trans
= mvm
->trans
;
1057 const struct iwl_fw_dbg_dest_tlv
*dest
= trans
->dbg_dest_tlv
;
1058 struct iwl_continuous_record_cmd cont_rec
= {};
1064 if (dest
->monitor_mode
!= SMEM_MODE
||
1065 trans
->cfg
->device_family
!= IWL_DEVICE_FAMILY_8000
)
1068 ret
= kstrtoint(buf
, 0, &rec_mode
);
1072 cont_rec
.record_mode
.enable_recording
= rec_mode
?
1073 cpu_to_le16(ENABLE_CONT_RECORDING
) :
1074 cpu_to_le16(DISABLE_CONT_RECORDING
);
1076 mutex_lock(&mvm
->mutex
);
1077 ret
= iwl_mvm_send_cmd_pdu(mvm
, LDBG_CONFIG_CMD
, 0,
1078 sizeof(cont_rec
), &cont_rec
);
1079 mutex_unlock(&mvm
->mutex
);
1081 return ret
?: count
;
1084 static ssize_t
iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm
*mvm
,
1085 char *buf
, size_t count
,
1088 unsigned int conf_id
;
1091 ret
= kstrtouint(buf
, 0, &conf_id
);
1095 if (WARN_ON(conf_id
>= FW_DBG_CONF_MAX
))
1098 mutex_lock(&mvm
->mutex
);
1099 ret
= iwl_mvm_start_fw_dbg_conf(mvm
, conf_id
);
1100 mutex_unlock(&mvm
->mutex
);
1102 return ret
?: count
;
1105 static ssize_t
iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm
*mvm
,
1106 char *buf
, size_t count
,
1109 int ret
= iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_PRPH_WRITE
);
1114 iwl_mvm_fw_dbg_collect(mvm
, FW_DBG_TRIGGER_USER
, buf
,
1117 iwl_mvm_unref(mvm
, IWL_MVM_REF_PRPH_WRITE
);
1122 static ssize_t
iwl_dbgfs_max_amsdu_len_write(struct iwl_mvm
*mvm
,
1123 char *buf
, size_t count
,
1126 unsigned int max_amsdu_len
;
1129 ret
= kstrtouint(buf
, 0, &max_amsdu_len
);
1131 if (max_amsdu_len
> IEEE80211_MAX_MPDU_LEN_VHT_11454
)
1133 mvm
->max_amsdu_len
= max_amsdu_len
;
1138 #define ADD_TEXT(...) pos += scnprintf(buf + pos, bufsz - pos, __VA_ARGS__)
1139 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1140 static ssize_t
iwl_dbgfs_bcast_filters_read(struct file
*file
,
1141 char __user
*user_buf
,
1142 size_t count
, loff_t
*ppos
)
1144 struct iwl_mvm
*mvm
= file
->private_data
;
1145 struct iwl_bcast_filter_cmd cmd
;
1146 const struct iwl_fw_bcast_filter
*filter
;
1152 buf
= kzalloc(bufsz
, GFP_KERNEL
);
1156 mutex_lock(&mvm
->mutex
);
1157 if (!iwl_mvm_bcast_filter_build_cmd(mvm
, &cmd
)) {
1159 mutex_unlock(&mvm
->mutex
);
1162 mutex_unlock(&mvm
->mutex
);
1164 for (i
= 0; cmd
.filters
[i
].attrs
[0].mask
; i
++) {
1165 filter
= &cmd
.filters
[i
];
1167 ADD_TEXT("Filter [%d]:\n", i
);
1168 ADD_TEXT("\tDiscard=%d\n", filter
->discard
);
1169 ADD_TEXT("\tFrame Type: %s\n",
1170 filter
->frame_type
? "IPv4" : "Generic");
1172 for (j
= 0; j
< ARRAY_SIZE(filter
->attrs
); j
++) {
1173 const struct iwl_fw_bcast_filter_attr
*attr
;
1175 attr
= &filter
->attrs
[j
];
1179 ADD_TEXT("\tAttr [%d]: offset=%d (from %s), mask=0x%x, value=0x%x reserved=0x%x\n",
1181 attr
->offset_type
? "IP End" :
1183 be32_to_cpu(attr
->mask
),
1184 be32_to_cpu(attr
->val
),
1185 le16_to_cpu(attr
->reserved1
));
1189 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
1194 static ssize_t
iwl_dbgfs_bcast_filters_write(struct iwl_mvm
*mvm
, char *buf
,
1195 size_t count
, loff_t
*ppos
)
1198 struct iwl_fw_bcast_filter filter
= {};
1199 struct iwl_bcast_filter_cmd cmd
;
1200 u32 filter_id
, attr_id
, mask
, value
;
1203 if (sscanf(buf
, "%d %hhi %hhi %n", &filter_id
, &filter
.discard
,
1204 &filter
.frame_type
, &pos
) != 3)
1207 if (filter_id
>= ARRAY_SIZE(mvm
->dbgfs_bcast_filtering
.cmd
.filters
) ||
1208 filter
.frame_type
> BCAST_FILTER_FRAME_TYPE_IPV4
)
1211 for (attr_id
= 0; attr_id
< ARRAY_SIZE(filter
.attrs
);
1213 struct iwl_fw_bcast_filter_attr
*attr
=
1214 &filter
.attrs
[attr_id
];
1219 if (sscanf(&buf
[pos
], "%hhi %hhi %i %i %n",
1220 &attr
->offset
, &attr
->offset_type
,
1221 &mask
, &value
, &next_pos
) != 4)
1224 attr
->mask
= cpu_to_be32(mask
);
1225 attr
->val
= cpu_to_be32(value
);
1232 mutex_lock(&mvm
->mutex
);
1233 memcpy(&mvm
->dbgfs_bcast_filtering
.cmd
.filters
[filter_id
],
1234 &filter
, sizeof(filter
));
1236 /* send updated bcast filtering configuration */
1237 if (mvm
->dbgfs_bcast_filtering
.override
&&
1238 iwl_mvm_bcast_filter_build_cmd(mvm
, &cmd
))
1239 err
= iwl_mvm_send_cmd_pdu(mvm
, BCAST_FILTER_CMD
, 0,
1241 mutex_unlock(&mvm
->mutex
);
1243 return err
?: count
;
1246 static ssize_t
iwl_dbgfs_bcast_filters_macs_read(struct file
*file
,
1247 char __user
*user_buf
,
1248 size_t count
, loff_t
*ppos
)
1250 struct iwl_mvm
*mvm
= file
->private_data
;
1251 struct iwl_bcast_filter_cmd cmd
;
1257 buf
= kzalloc(bufsz
, GFP_KERNEL
);
1261 mutex_lock(&mvm
->mutex
);
1262 if (!iwl_mvm_bcast_filter_build_cmd(mvm
, &cmd
)) {
1264 mutex_unlock(&mvm
->mutex
);
1267 mutex_unlock(&mvm
->mutex
);
1269 for (i
= 0; i
< ARRAY_SIZE(cmd
.macs
); i
++) {
1270 const struct iwl_fw_bcast_mac
*mac
= &cmd
.macs
[i
];
1272 ADD_TEXT("Mac [%d]: discard=%d attached_filters=0x%x\n",
1273 i
, mac
->default_discard
, mac
->attached_filters
);
1276 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
1281 static ssize_t
iwl_dbgfs_bcast_filters_macs_write(struct iwl_mvm
*mvm
,
1282 char *buf
, size_t count
,
1285 struct iwl_bcast_filter_cmd cmd
;
1286 struct iwl_fw_bcast_mac mac
= {};
1287 u32 mac_id
, attached_filters
;
1290 if (!mvm
->bcast_filters
)
1293 if (sscanf(buf
, "%d %hhi %i", &mac_id
, &mac
.default_discard
,
1294 &attached_filters
) != 3)
1297 if (mac_id
>= ARRAY_SIZE(cmd
.macs
) ||
1298 mac
.default_discard
> 1 ||
1299 attached_filters
>= BIT(ARRAY_SIZE(cmd
.filters
)))
1302 mac
.attached_filters
= cpu_to_le16(attached_filters
);
1304 mutex_lock(&mvm
->mutex
);
1305 memcpy(&mvm
->dbgfs_bcast_filtering
.cmd
.macs
[mac_id
],
1308 /* send updated bcast filtering configuration */
1309 if (mvm
->dbgfs_bcast_filtering
.override
&&
1310 iwl_mvm_bcast_filter_build_cmd(mvm
, &cmd
))
1311 err
= iwl_mvm_send_cmd_pdu(mvm
, BCAST_FILTER_CMD
, 0,
1313 mutex_unlock(&mvm
->mutex
);
1315 return err
?: count
;
1319 #ifdef CONFIG_PM_SLEEP
1320 static ssize_t
iwl_dbgfs_d3_sram_write(struct iwl_mvm
*mvm
, char *buf
,
1321 size_t count
, loff_t
*ppos
)
1325 if (sscanf(buf
, "%d", &store
) != 1)
1328 mvm
->store_d3_resume_sram
= store
;
1333 static ssize_t
iwl_dbgfs_d3_sram_read(struct file
*file
, char __user
*user_buf
,
1334 size_t count
, loff_t
*ppos
)
1336 struct iwl_mvm
*mvm
= file
->private_data
;
1337 const struct fw_img
*img
;
1338 int ofs
, len
, pos
= 0;
1341 u8
*ptr
= mvm
->d3_resume_sram
;
1343 img
= &mvm
->fw
->img
[IWL_UCODE_WOWLAN
];
1344 len
= img
->sec
[IWL_UCODE_SECTION_DATA
].len
;
1346 bufsz
= len
* 4 + 256;
1347 buf
= kzalloc(bufsz
, GFP_KERNEL
);
1351 pos
+= scnprintf(buf
, bufsz
, "D3 SRAM capture: %sabled\n",
1352 mvm
->store_d3_resume_sram
? "en" : "dis");
1355 for (ofs
= 0; ofs
< len
; ofs
+= 16) {
1356 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1357 "0x%.4x %16ph\n", ofs
, ptr
+ ofs
);
1360 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1361 "(no data captured)\n");
1364 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
1372 #define PRINT_MVM_REF(ref) do { \
1373 if (mvm->refs[ref]) \
1374 pos += scnprintf(buf + pos, bufsz - pos, \
1375 "\t(0x%lx): %d %s\n", \
1376 BIT(ref), mvm->refs[ref], #ref); \
1379 static ssize_t
iwl_dbgfs_d0i3_refs_read(struct file
*file
,
1380 char __user
*user_buf
,
1381 size_t count
, loff_t
*ppos
)
1383 struct iwl_mvm
*mvm
= file
->private_data
;
1386 const size_t bufsz
= sizeof(buf
);
1389 for (i
= 0; i
< IWL_MVM_REF_COUNT
; i
++)
1393 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "taken mvm refs: 0x%x\n",
1396 PRINT_MVM_REF(IWL_MVM_REF_UCODE_DOWN
);
1397 PRINT_MVM_REF(IWL_MVM_REF_SCAN
);
1398 PRINT_MVM_REF(IWL_MVM_REF_ROC
);
1399 PRINT_MVM_REF(IWL_MVM_REF_ROC_AUX
);
1400 PRINT_MVM_REF(IWL_MVM_REF_P2P_CLIENT
);
1401 PRINT_MVM_REF(IWL_MVM_REF_AP_IBSS
);
1402 PRINT_MVM_REF(IWL_MVM_REF_USER
);
1403 PRINT_MVM_REF(IWL_MVM_REF_TX
);
1404 PRINT_MVM_REF(IWL_MVM_REF_TX_AGG
);
1405 PRINT_MVM_REF(IWL_MVM_REF_ADD_IF
);
1406 PRINT_MVM_REF(IWL_MVM_REF_START_AP
);
1407 PRINT_MVM_REF(IWL_MVM_REF_BSS_CHANGED
);
1408 PRINT_MVM_REF(IWL_MVM_REF_PREPARE_TX
);
1409 PRINT_MVM_REF(IWL_MVM_REF_PROTECT_TDLS
);
1410 PRINT_MVM_REF(IWL_MVM_REF_CHECK_CTKILL
);
1411 PRINT_MVM_REF(IWL_MVM_REF_PRPH_READ
);
1412 PRINT_MVM_REF(IWL_MVM_REF_PRPH_WRITE
);
1413 PRINT_MVM_REF(IWL_MVM_REF_NMI
);
1414 PRINT_MVM_REF(IWL_MVM_REF_TM_CMD
);
1415 PRINT_MVM_REF(IWL_MVM_REF_EXIT_WORK
);
1416 PRINT_MVM_REF(IWL_MVM_REF_PROTECT_CSA
);
1417 PRINT_MVM_REF(IWL_MVM_REF_FW_DBG_COLLECT
);
1418 PRINT_MVM_REF(IWL_MVM_REF_INIT_UCODE
);
1420 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
1423 static ssize_t
iwl_dbgfs_d0i3_refs_write(struct iwl_mvm
*mvm
, char *buf
,
1424 size_t count
, loff_t
*ppos
)
1426 unsigned long value
;
1430 ret
= kstrtoul(buf
, 10, &value
);
1434 mutex_lock(&mvm
->mutex
);
1436 taken
= mvm
->refs
[IWL_MVM_REF_USER
];
1437 if (value
== 1 && !taken
)
1438 iwl_mvm_ref(mvm
, IWL_MVM_REF_USER
);
1439 else if (value
== 0 && taken
)
1440 iwl_mvm_unref(mvm
, IWL_MVM_REF_USER
);
1444 mutex_unlock(&mvm
->mutex
);
1451 #define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \
1452 _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
1453 #define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \
1454 _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
1455 #define MVM_DEBUGFS_ADD_FILE_ALIAS(alias, name, parent, mode) do { \
1456 if (!debugfs_create_file(alias, mode, parent, mvm, \
1457 &iwl_dbgfs_##name##_ops)) \
1460 #define MVM_DEBUGFS_ADD_FILE(name, parent, mode) \
1461 MVM_DEBUGFS_ADD_FILE_ALIAS(#name, name, parent, mode)
1464 iwl_dbgfs_prph_reg_read(struct file
*file
,
1465 char __user
*user_buf
,
1466 size_t count
, loff_t
*ppos
)
1468 struct iwl_mvm
*mvm
= file
->private_data
;
1471 const size_t bufsz
= sizeof(buf
);
1474 if (!mvm
->dbgfs_prph_reg_addr
)
1477 ret
= iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_PRPH_READ
);
1481 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "Reg 0x%x: (0x%x)\n",
1482 mvm
->dbgfs_prph_reg_addr
,
1483 iwl_read_prph(mvm
->trans
, mvm
->dbgfs_prph_reg_addr
));
1485 iwl_mvm_unref(mvm
, IWL_MVM_REF_PRPH_READ
);
1487 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
1491 iwl_dbgfs_prph_reg_write(struct iwl_mvm
*mvm
, char *buf
,
1492 size_t count
, loff_t
*ppos
)
1498 args
= sscanf(buf
, "%i %i", &mvm
->dbgfs_prph_reg_addr
, &value
);
1499 /* if we only want to set the reg address - nothing more to do */
1503 /* otherwise, make sure we have both address and value */
1507 ret
= iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_PRPH_WRITE
);
1511 iwl_write_prph(mvm
->trans
, mvm
->dbgfs_prph_reg_addr
, value
);
1513 iwl_mvm_unref(mvm
, IWL_MVM_REF_PRPH_WRITE
);
1519 iwl_dbgfs_send_echo_cmd_write(struct iwl_mvm
*mvm
, char *buf
,
1520 size_t count
, loff_t
*ppos
)
1524 mutex_lock(&mvm
->mutex
);
1525 ret
= iwl_mvm_send_cmd_pdu(mvm
, ECHO_CMD
, 0, 0, NULL
);
1526 mutex_unlock(&mvm
->mutex
);
1528 return ret
?: count
;
1531 MVM_DEBUGFS_READ_WRITE_FILE_OPS(prph_reg
, 64);
1533 /* Device wide debugfs entries */
1534 MVM_DEBUGFS_READ_FILE_OPS(ctdp_budget
);
1535 MVM_DEBUGFS_WRITE_FILE_OPS(stop_ctdp
, 8);
1536 MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush
, 16);
1537 MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain
, 8);
1538 MVM_DEBUGFS_WRITE_FILE_OPS(send_echo_cmd
, 8);
1539 MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram
, 64);
1540 MVM_DEBUGFS_READ_WRITE_FILE_OPS(set_nic_temperature
, 64);
1541 MVM_DEBUGFS_READ_FILE_OPS(nic_temp
);
1542 MVM_DEBUGFS_READ_FILE_OPS(stations
);
1543 MVM_DEBUGFS_READ_FILE_OPS(bt_notif
);
1544 MVM_DEBUGFS_READ_FILE_OPS(bt_cmd
);
1545 MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off
, 64);
1546 MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats
);
1547 MVM_DEBUGFS_READ_FILE_OPS(drv_rx_stats
);
1548 MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart
, 10);
1549 MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi
, 10);
1550 MVM_DEBUGFS_WRITE_FILE_OPS(bt_tx_prio
, 10);
1551 MVM_DEBUGFS_WRITE_FILE_OPS(bt_force_ant
, 10);
1552 MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain
, 8);
1553 MVM_DEBUGFS_READ_WRITE_FILE_OPS(d0i3_refs
, 8);
1554 MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf
, 8);
1555 MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect
, 64);
1556 MVM_DEBUGFS_WRITE_FILE_OPS(cont_recording
, 8);
1557 MVM_DEBUGFS_WRITE_FILE_OPS(max_amsdu_len
, 8);
1558 MVM_DEBUGFS_WRITE_FILE_OPS(indirection_tbl
,
1559 (IWL_RSS_INDIRECTION_TABLE_SIZE
* 2));
1561 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1562 MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters
, 256);
1563 MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters_macs
, 256);
1566 #ifdef CONFIG_PM_SLEEP
1567 MVM_DEBUGFS_READ_WRITE_FILE_OPS(d3_sram
, 8);
1570 int iwl_mvm_dbgfs_register(struct iwl_mvm
*mvm
, struct dentry
*dbgfs_dir
)
1572 struct dentry
*bcast_dir __maybe_unused
;
1575 spin_lock_init(&mvm
->drv_stats_lock
);
1577 mvm
->debugfs_dir
= dbgfs_dir
;
1579 MVM_DEBUGFS_ADD_FILE(tx_flush
, mvm
->debugfs_dir
, S_IWUSR
);
1580 MVM_DEBUGFS_ADD_FILE(sta_drain
, mvm
->debugfs_dir
, S_IWUSR
);
1581 MVM_DEBUGFS_ADD_FILE(sram
, mvm
->debugfs_dir
, S_IWUSR
| S_IRUSR
);
1582 MVM_DEBUGFS_ADD_FILE(set_nic_temperature
, mvm
->debugfs_dir
,
1584 MVM_DEBUGFS_ADD_FILE(nic_temp
, dbgfs_dir
, S_IRUSR
);
1585 MVM_DEBUGFS_ADD_FILE(ctdp_budget
, dbgfs_dir
, S_IRUSR
);
1586 MVM_DEBUGFS_ADD_FILE(stop_ctdp
, dbgfs_dir
, S_IWUSR
);
1587 MVM_DEBUGFS_ADD_FILE(stations
, dbgfs_dir
, S_IRUSR
);
1588 MVM_DEBUGFS_ADD_FILE(bt_notif
, dbgfs_dir
, S_IRUSR
);
1589 MVM_DEBUGFS_ADD_FILE(bt_cmd
, dbgfs_dir
, S_IRUSR
);
1590 MVM_DEBUGFS_ADD_FILE(disable_power_off
, mvm
->debugfs_dir
,
1592 MVM_DEBUGFS_ADD_FILE(fw_rx_stats
, mvm
->debugfs_dir
, S_IRUSR
);
1593 MVM_DEBUGFS_ADD_FILE(drv_rx_stats
, mvm
->debugfs_dir
, S_IRUSR
);
1594 MVM_DEBUGFS_ADD_FILE(fw_restart
, mvm
->debugfs_dir
, S_IWUSR
);
1595 MVM_DEBUGFS_ADD_FILE(fw_nmi
, mvm
->debugfs_dir
, S_IWUSR
);
1596 MVM_DEBUGFS_ADD_FILE(bt_tx_prio
, mvm
->debugfs_dir
, S_IWUSR
);
1597 MVM_DEBUGFS_ADD_FILE(bt_force_ant
, mvm
->debugfs_dir
, S_IWUSR
);
1598 MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain
, mvm
->debugfs_dir
,
1600 MVM_DEBUGFS_ADD_FILE(prph_reg
, mvm
->debugfs_dir
, S_IWUSR
| S_IRUSR
);
1601 MVM_DEBUGFS_ADD_FILE(d0i3_refs
, mvm
->debugfs_dir
, S_IRUSR
| S_IWUSR
);
1602 MVM_DEBUGFS_ADD_FILE(fw_dbg_conf
, mvm
->debugfs_dir
, S_IRUSR
| S_IWUSR
);
1603 MVM_DEBUGFS_ADD_FILE(fw_dbg_collect
, mvm
->debugfs_dir
, S_IWUSR
);
1604 MVM_DEBUGFS_ADD_FILE(max_amsdu_len
, mvm
->debugfs_dir
, S_IWUSR
);
1605 MVM_DEBUGFS_ADD_FILE(send_echo_cmd
, mvm
->debugfs_dir
, S_IWUSR
);
1606 MVM_DEBUGFS_ADD_FILE(cont_recording
, mvm
->debugfs_dir
, S_IWUSR
);
1607 MVM_DEBUGFS_ADD_FILE(indirection_tbl
, mvm
->debugfs_dir
, S_IWUSR
);
1608 if (!debugfs_create_bool("enable_scan_iteration_notif",
1611 &mvm
->scan_iter_notif_enabled
))
1613 if (!debugfs_create_bool("drop_bcn_ap_mode", S_IRUSR
| S_IWUSR
,
1614 mvm
->debugfs_dir
, &mvm
->drop_bcn_ap_mode
))
1617 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1618 if (mvm
->fw
->ucode_capa
.flags
& IWL_UCODE_TLV_FLAGS_BCAST_FILTERING
) {
1619 bcast_dir
= debugfs_create_dir("bcast_filtering",
1624 if (!debugfs_create_bool("override", S_IRUSR
| S_IWUSR
,
1626 &mvm
->dbgfs_bcast_filtering
.override
))
1629 MVM_DEBUGFS_ADD_FILE_ALIAS("filters", bcast_filters
,
1630 bcast_dir
, S_IWUSR
| S_IRUSR
);
1631 MVM_DEBUGFS_ADD_FILE_ALIAS("macs", bcast_filters_macs
,
1632 bcast_dir
, S_IWUSR
| S_IRUSR
);
1636 #ifdef CONFIG_PM_SLEEP
1637 MVM_DEBUGFS_ADD_FILE(d3_sram
, mvm
->debugfs_dir
, S_IRUSR
| S_IWUSR
);
1638 MVM_DEBUGFS_ADD_FILE(d3_test
, mvm
->debugfs_dir
, S_IRUSR
);
1639 if (!debugfs_create_bool("d3_wake_sysassert", S_IRUSR
| S_IWUSR
,
1640 mvm
->debugfs_dir
, &mvm
->d3_wake_sysassert
))
1642 if (!debugfs_create_u32("last_netdetect_scans", S_IRUSR
,
1643 mvm
->debugfs_dir
, &mvm
->last_netdetect_scans
))
1647 if (!debugfs_create_u8("ps_disabled", S_IRUSR
,
1648 mvm
->debugfs_dir
, &mvm
->ps_disabled
))
1650 if (!debugfs_create_blob("nvm_hw", S_IRUSR
,
1651 mvm
->debugfs_dir
, &mvm
->nvm_hw_blob
))
1653 if (!debugfs_create_blob("nvm_sw", S_IRUSR
,
1654 mvm
->debugfs_dir
, &mvm
->nvm_sw_blob
))
1656 if (!debugfs_create_blob("nvm_calib", S_IRUSR
,
1657 mvm
->debugfs_dir
, &mvm
->nvm_calib_blob
))
1659 if (!debugfs_create_blob("nvm_prod", S_IRUSR
,
1660 mvm
->debugfs_dir
, &mvm
->nvm_prod_blob
))
1662 if (!debugfs_create_blob("nvm_phy_sku", S_IRUSR
,
1663 mvm
->debugfs_dir
, &mvm
->nvm_phy_sku_blob
))
1667 * Create a symlink with mac80211. It will be removed when mac80211
1668 * exists (before the opmode exists which removes the target.)
1670 snprintf(buf
, 100, "../../%s/%s",
1671 dbgfs_dir
->d_parent
->d_parent
->d_name
.name
,
1672 dbgfs_dir
->d_parent
->d_name
.name
);
1673 if (!debugfs_create_symlink("iwlwifi", mvm
->hw
->wiphy
->debugfsdir
, buf
))
1678 IWL_ERR(mvm
, "Can't create the mvm debugfs directory\n");