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>
68 #include <linux/netdevice.h>
75 #include "iwl-fw-error-dump.h"
77 static ssize_t
iwl_dbgfs_ctdp_budget_read(struct file
*file
,
78 char __user
*user_buf
,
79 size_t count
, loff_t
*ppos
)
81 struct iwl_mvm
*mvm
= file
->private_data
;
85 if (!mvm
->ucode_loaded
|| mvm
->cur_ucode
!= IWL_UCODE_REGULAR
)
88 mutex_lock(&mvm
->mutex
);
89 budget
= iwl_mvm_ctdp_command(mvm
, CTDP_CMD_OPERATION_REPORT
, 0);
90 mutex_unlock(&mvm
->mutex
);
95 pos
= scnprintf(buf
, sizeof(buf
), "%d\n", budget
);
97 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
100 static ssize_t
iwl_dbgfs_stop_ctdp_write(struct iwl_mvm
*mvm
, char *buf
,
101 size_t count
, loff_t
*ppos
)
105 if (!mvm
->ucode_loaded
|| mvm
->cur_ucode
!= IWL_UCODE_REGULAR
)
108 mutex_lock(&mvm
->mutex
);
109 ret
= iwl_mvm_ctdp_command(mvm
, CTDP_CMD_OPERATION_STOP
, 0);
110 mutex_unlock(&mvm
->mutex
);
115 static ssize_t
iwl_dbgfs_tx_flush_write(struct iwl_mvm
*mvm
, char *buf
,
116 size_t count
, loff_t
*ppos
)
121 if (!mvm
->ucode_loaded
|| mvm
->cur_ucode
!= IWL_UCODE_REGULAR
)
124 if (sscanf(buf
, "%x", &scd_q_msk
) != 1)
127 IWL_ERR(mvm
, "FLUSHING queues: scd_q_msk = 0x%x\n", scd_q_msk
);
129 mutex_lock(&mvm
->mutex
);
130 ret
= iwl_mvm_flush_tx_path(mvm
, scd_q_msk
, 0) ? : count
;
131 mutex_unlock(&mvm
->mutex
);
136 static ssize_t
iwl_dbgfs_sta_drain_write(struct iwl_mvm
*mvm
, char *buf
,
137 size_t count
, loff_t
*ppos
)
139 struct iwl_mvm_sta
*mvmsta
;
140 int sta_id
, drain
, ret
;
142 if (!mvm
->ucode_loaded
|| mvm
->cur_ucode
!= IWL_UCODE_REGULAR
)
145 if (sscanf(buf
, "%d %d", &sta_id
, &drain
) != 2)
147 if (sta_id
< 0 || sta_id
>= IWL_MVM_STATION_COUNT
)
149 if (drain
< 0 || drain
> 1)
152 mutex_lock(&mvm
->mutex
);
154 mvmsta
= iwl_mvm_sta_from_staid_protected(mvm
, sta_id
);
159 ret
= iwl_mvm_drain_sta(mvm
, mvmsta
, drain
) ? : count
;
161 mutex_unlock(&mvm
->mutex
);
166 static ssize_t
iwl_dbgfs_sram_read(struct file
*file
, char __user
*user_buf
,
167 size_t count
, loff_t
*ppos
)
169 struct iwl_mvm
*mvm
= file
->private_data
;
170 const struct fw_img
*img
;
171 unsigned int ofs
, len
;
175 if (!mvm
->ucode_loaded
)
178 /* default is to dump the entire data segment */
179 img
= &mvm
->fw
->img
[mvm
->cur_ucode
];
180 ofs
= img
->sec
[IWL_UCODE_SECTION_DATA
].offset
;
181 len
= img
->sec
[IWL_UCODE_SECTION_DATA
].len
;
183 if (mvm
->dbgfs_sram_len
) {
184 ofs
= mvm
->dbgfs_sram_offset
;
185 len
= mvm
->dbgfs_sram_len
;
188 ptr
= kzalloc(len
, GFP_KERNEL
);
192 iwl_trans_read_mem_bytes(mvm
->trans
, ofs
, ptr
, len
);
194 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, ptr
, len
);
201 static ssize_t
iwl_dbgfs_sram_write(struct iwl_mvm
*mvm
, char *buf
,
202 size_t count
, loff_t
*ppos
)
204 const struct fw_img
*img
;
206 u32 img_offset
, img_len
;
208 if (!mvm
->ucode_loaded
)
211 img
= &mvm
->fw
->img
[mvm
->cur_ucode
];
212 img_offset
= img
->sec
[IWL_UCODE_SECTION_DATA
].offset
;
213 img_len
= img
->sec
[IWL_UCODE_SECTION_DATA
].len
;
215 if (sscanf(buf
, "%x,%x", &offset
, &len
) == 2) {
216 if ((offset
& 0x3) || (len
& 0x3))
219 if (offset
+ len
> img_offset
+ img_len
)
222 mvm
->dbgfs_sram_offset
= offset
;
223 mvm
->dbgfs_sram_len
= len
;
225 mvm
->dbgfs_sram_offset
= 0;
226 mvm
->dbgfs_sram_len
= 0;
232 static ssize_t
iwl_dbgfs_set_nic_temperature_read(struct file
*file
,
233 char __user
*user_buf
,
234 size_t count
, loff_t
*ppos
)
236 struct iwl_mvm
*mvm
= file
->private_data
;
240 if (!mvm
->temperature_test
)
241 pos
= scnprintf(buf
, sizeof(buf
), "disabled\n");
243 pos
= scnprintf(buf
, sizeof(buf
), "%d\n", mvm
->temperature
);
245 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
249 * Set NIC Temperature
250 * Cause the driver to ignore the actual NIC temperature reported by the FW
251 * Enable: any value between IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -
252 * IWL_MVM_DEBUG_SET_TEMPERATURE_MAX
253 * Disable: IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE
255 static ssize_t
iwl_dbgfs_set_nic_temperature_write(struct iwl_mvm
*mvm
,
256 char *buf
, size_t count
,
261 if (!mvm
->ucode_loaded
&& !mvm
->temperature_test
)
264 if (kstrtoint(buf
, 10, &temperature
))
266 /* not a legal temperature */
267 if ((temperature
> IWL_MVM_DEBUG_SET_TEMPERATURE_MAX
&&
268 temperature
!= IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE
) ||
269 temperature
< IWL_MVM_DEBUG_SET_TEMPERATURE_MIN
)
272 mutex_lock(&mvm
->mutex
);
273 if (temperature
== IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE
) {
274 if (!mvm
->temperature_test
)
277 mvm
->temperature_test
= false;
278 /* Since we can't read the temp while awake, just set
279 * it to zero until we get the next RX stats from the
282 mvm
->temperature
= 0;
284 mvm
->temperature_test
= true;
285 mvm
->temperature
= temperature
;
287 IWL_DEBUG_TEMP(mvm
, "%sabling debug set temperature (temp = %d)\n",
288 mvm
->temperature_test
? "En" : "Dis" ,
290 /* handle the temperature change */
291 iwl_mvm_tt_handler(mvm
);
294 mutex_unlock(&mvm
->mutex
);
299 static ssize_t
iwl_dbgfs_nic_temp_read(struct file
*file
,
300 char __user
*user_buf
,
301 size_t count
, loff_t
*ppos
)
303 struct iwl_mvm
*mvm
= file
->private_data
;
308 if (!mvm
->ucode_loaded
)
311 mutex_lock(&mvm
->mutex
);
312 ret
= iwl_mvm_get_temp(mvm
, &temp
);
313 mutex_unlock(&mvm
->mutex
);
318 pos
= scnprintf(buf
, sizeof(buf
), "%d\n", temp
);
320 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
323 static ssize_t
iwl_dbgfs_stations_read(struct file
*file
, char __user
*user_buf
,
324 size_t count
, loff_t
*ppos
)
326 struct iwl_mvm
*mvm
= file
->private_data
;
327 struct ieee80211_sta
*sta
;
329 int i
, pos
= 0, bufsz
= sizeof(buf
);
331 mutex_lock(&mvm
->mutex
);
333 for (i
= 0; i
< IWL_MVM_STATION_COUNT
; i
++) {
334 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%.2d: ", i
);
335 sta
= rcu_dereference_protected(mvm
->fw_id_to_mac_id
[i
],
336 lockdep_is_held(&mvm
->mutex
));
338 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "N/A\n");
339 else if (IS_ERR(sta
))
340 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%ld\n",
343 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%pM\n",
347 mutex_unlock(&mvm
->mutex
);
349 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
352 static ssize_t
iwl_dbgfs_disable_power_off_read(struct file
*file
,
353 char __user
*user_buf
,
354 size_t count
, loff_t
*ppos
)
356 struct iwl_mvm
*mvm
= file
->private_data
;
358 int bufsz
= sizeof(buf
);
361 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "disable_power_off_d0=%d\n",
362 mvm
->disable_power_off
);
363 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "disable_power_off_d3=%d\n",
364 mvm
->disable_power_off_d3
);
366 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
369 static ssize_t
iwl_dbgfs_disable_power_off_write(struct iwl_mvm
*mvm
, char *buf
,
370 size_t count
, loff_t
*ppos
)
374 if (!mvm
->ucode_loaded
)
377 if (!strncmp("disable_power_off_d0=", buf
, 21)) {
378 if (sscanf(buf
+ 21, "%d", &val
) != 1)
380 mvm
->disable_power_off
= val
;
381 } else if (!strncmp("disable_power_off_d3=", buf
, 21)) {
382 if (sscanf(buf
+ 21, "%d", &val
) != 1)
384 mvm
->disable_power_off_d3
= val
;
389 mutex_lock(&mvm
->mutex
);
390 ret
= iwl_mvm_power_update_device(mvm
);
391 mutex_unlock(&mvm
->mutex
);
396 #define BT_MBOX_MSG(_notif, _num, _field) \
397 ((le32_to_cpu((_notif)->mbox_msg[(_num)]) & BT_MBOX##_num##_##_field)\
398 >> BT_MBOX##_num##_##_field##_POS)
401 #define BT_MBOX_PRINT(_num, _field, _end) \
402 pos += scnprintf(buf + pos, bufsz - pos, \
405 BT_MBOX_MSG(notif, _num, _field), \
409 int iwl_mvm_coex_dump_mbox(struct iwl_bt_coex_profile_notif
*notif
, char *buf
,
412 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "MBOX dw0:\n");
414 BT_MBOX_PRINT(0, LE_SLAVE_LAT
, false);
415 BT_MBOX_PRINT(0, LE_PROF1
, false);
416 BT_MBOX_PRINT(0, LE_PROF2
, false);
417 BT_MBOX_PRINT(0, LE_PROF_OTHER
, false);
418 BT_MBOX_PRINT(0, CHL_SEQ_N
, false);
419 BT_MBOX_PRINT(0, INBAND_S
, false);
420 BT_MBOX_PRINT(0, LE_MIN_RSSI
, false);
421 BT_MBOX_PRINT(0, LE_SCAN
, false);
422 BT_MBOX_PRINT(0, LE_ADV
, false);
423 BT_MBOX_PRINT(0, LE_MAX_TX_POWER
, false);
424 BT_MBOX_PRINT(0, OPEN_CON_1
, true);
426 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "MBOX dw1:\n");
428 BT_MBOX_PRINT(1, BR_MAX_TX_POWER
, false);
429 BT_MBOX_PRINT(1, IP_SR
, false);
430 BT_MBOX_PRINT(1, LE_MSTR
, false);
431 BT_MBOX_PRINT(1, AGGR_TRFC_LD
, false);
432 BT_MBOX_PRINT(1, MSG_TYPE
, false);
433 BT_MBOX_PRINT(1, SSN
, true);
435 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "MBOX dw2:\n");
437 BT_MBOX_PRINT(2, SNIFF_ACT
, false);
438 BT_MBOX_PRINT(2, PAG
, false);
439 BT_MBOX_PRINT(2, INQUIRY
, false);
440 BT_MBOX_PRINT(2, CONN
, false);
441 BT_MBOX_PRINT(2, SNIFF_INTERVAL
, false);
442 BT_MBOX_PRINT(2, DISC
, false);
443 BT_MBOX_PRINT(2, SCO_TX_ACT
, false);
444 BT_MBOX_PRINT(2, SCO_RX_ACT
, false);
445 BT_MBOX_PRINT(2, ESCO_RE_TX
, false);
446 BT_MBOX_PRINT(2, SCO_DURATION
, true);
448 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "MBOX dw3:\n");
450 BT_MBOX_PRINT(3, SCO_STATE
, false);
451 BT_MBOX_PRINT(3, SNIFF_STATE
, false);
452 BT_MBOX_PRINT(3, A2DP_STATE
, false);
453 BT_MBOX_PRINT(3, ACL_STATE
, false);
454 BT_MBOX_PRINT(3, MSTR_STATE
, false);
455 BT_MBOX_PRINT(3, OBX_STATE
, false);
456 BT_MBOX_PRINT(3, OPEN_CON_2
, false);
457 BT_MBOX_PRINT(3, TRAFFIC_LOAD
, false);
458 BT_MBOX_PRINT(3, CHL_SEQN_LSB
, false);
459 BT_MBOX_PRINT(3, INBAND_P
, false);
460 BT_MBOX_PRINT(3, MSG_TYPE_2
, false);
461 BT_MBOX_PRINT(3, SSN_2
, false);
462 BT_MBOX_PRINT(3, UPDATE_REQUEST
, true);
467 static ssize_t
iwl_dbgfs_bt_notif_read(struct file
*file
, char __user
*user_buf
,
468 size_t count
, loff_t
*ppos
)
470 struct iwl_mvm
*mvm
= file
->private_data
;
471 struct iwl_bt_coex_profile_notif
*notif
= &mvm
->last_bt_notif
;
473 int ret
, pos
= 0, bufsz
= sizeof(char) * 1024;
475 buf
= kmalloc(bufsz
, GFP_KERNEL
);
479 mutex_lock(&mvm
->mutex
);
481 pos
+= iwl_mvm_coex_dump_mbox(notif
, buf
, pos
, bufsz
);
483 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "bt_ci_compliance = %d\n",
484 notif
->bt_ci_compliance
);
485 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "primary_ch_lut = %d\n",
486 le32_to_cpu(notif
->primary_ch_lut
));
487 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "secondary_ch_lut = %d\n",
488 le32_to_cpu(notif
->secondary_ch_lut
));
489 pos
+= scnprintf(buf
+ pos
,
490 bufsz
- pos
, "bt_activity_grading = %d\n",
491 le32_to_cpu(notif
->bt_activity_grading
));
492 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
493 "antenna isolation = %d CORUN LUT index = %d\n",
494 mvm
->last_ant_isol
, mvm
->last_corun_lut
);
495 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "bt_rrc = %d\n",
496 (notif
->ttc_rrc_status
>> 4) & 0xF);
497 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "bt_ttc = %d\n",
498 notif
->ttc_rrc_status
& 0xF);
500 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "sync_sco = %d\n",
501 IWL_MVM_BT_COEX_SYNC2SCO
);
502 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "mplut = %d\n",
503 IWL_MVM_BT_COEX_MPLUT
);
504 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "corunning = %d\n",
505 IWL_MVM_BT_COEX_CORUNNING
);
507 mutex_unlock(&mvm
->mutex
);
509 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
516 static ssize_t
iwl_dbgfs_bt_cmd_read(struct file
*file
, char __user
*user_buf
,
517 size_t count
, loff_t
*ppos
)
519 struct iwl_mvm
*mvm
= file
->private_data
;
520 struct iwl_bt_coex_ci_cmd
*cmd
= &mvm
->last_bt_ci_cmd
;
522 int bufsz
= sizeof(buf
);
525 mutex_lock(&mvm
->mutex
);
527 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "Channel inhibition CMD\n");
528 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
529 "\tPrimary Channel Bitmap 0x%016llx\n",
530 le64_to_cpu(cmd
->bt_primary_ci
));
531 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
532 "\tSecondary Channel Bitmap 0x%016llx\n",
533 le64_to_cpu(cmd
->bt_secondary_ci
));
535 mutex_unlock(&mvm
->mutex
);
537 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
541 iwl_dbgfs_bt_tx_prio_write(struct iwl_mvm
*mvm
, char *buf
,
542 size_t count
, loff_t
*ppos
)
546 if (sscanf(buf
, "%u", &bt_tx_prio
) != 1)
551 mvm
->bt_tx_prio
= bt_tx_prio
;
557 iwl_dbgfs_bt_force_ant_write(struct iwl_mvm
*mvm
, char *buf
,
558 size_t count
, loff_t
*ppos
)
560 static const char * const modes_str
[BT_FORCE_ANT_MAX
] = {
561 [BT_FORCE_ANT_DIS
] = "dis",
562 [BT_FORCE_ANT_AUTO
] = "auto",
563 [BT_FORCE_ANT_BT
] = "bt",
564 [BT_FORCE_ANT_WIFI
] = "wifi",
566 int ret
, bt_force_ant_mode
;
568 for (bt_force_ant_mode
= 0;
569 bt_force_ant_mode
< ARRAY_SIZE(modes_str
);
570 bt_force_ant_mode
++) {
571 if (!strcmp(buf
, modes_str
[bt_force_ant_mode
]))
575 if (bt_force_ant_mode
>= ARRAY_SIZE(modes_str
))
579 mutex_lock(&mvm
->mutex
);
580 if (mvm
->bt_force_ant_mode
== bt_force_ant_mode
)
583 mvm
->bt_force_ant_mode
= bt_force_ant_mode
;
584 IWL_DEBUG_COEX(mvm
, "Force mode: %s\n",
585 modes_str
[mvm
->bt_force_ant_mode
]);
586 ret
= iwl_send_bt_init_conf(mvm
);
589 mutex_unlock(&mvm
->mutex
);
593 #define PRINT_STATS_LE32(_struct, _memb) \
594 pos += scnprintf(buf + pos, bufsz - pos, \
596 le32_to_cpu(_struct->_memb))
598 static ssize_t
iwl_dbgfs_fw_rx_stats_read(struct file
*file
,
599 char __user
*user_buf
, size_t count
,
602 struct iwl_mvm
*mvm
= file
->private_data
;
603 static const char *fmt_table
= "\t%-30s %10u\n";
604 static const char *fmt_header
= "%-32s\n";
608 /* 43 is the size of each data line, 33 is the size of each header */
610 ((sizeof(struct mvm_statistics_rx
) / sizeof(__le32
)) * 43) +
613 struct mvm_statistics_rx_phy
*ofdm
;
614 struct mvm_statistics_rx_phy
*cck
;
615 struct mvm_statistics_rx_non_phy
*general
;
616 struct mvm_statistics_rx_ht_phy
*ht
;
618 buf
= kzalloc(bufsz
, GFP_KERNEL
);
622 mutex_lock(&mvm
->mutex
);
624 ofdm
= &mvm
->rx_stats
.ofdm
;
625 cck
= &mvm
->rx_stats
.cck
;
626 general
= &mvm
->rx_stats
.general
;
627 ht
= &mvm
->rx_stats
.ofdm_ht
;
629 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, fmt_header
,
630 "Statistics_Rx - OFDM");
631 PRINT_STATS_LE32(ofdm
, ina_cnt
);
632 PRINT_STATS_LE32(ofdm
, fina_cnt
);
633 PRINT_STATS_LE32(ofdm
, plcp_err
);
634 PRINT_STATS_LE32(ofdm
, crc32_err
);
635 PRINT_STATS_LE32(ofdm
, overrun_err
);
636 PRINT_STATS_LE32(ofdm
, early_overrun_err
);
637 PRINT_STATS_LE32(ofdm
, crc32_good
);
638 PRINT_STATS_LE32(ofdm
, false_alarm_cnt
);
639 PRINT_STATS_LE32(ofdm
, fina_sync_err_cnt
);
640 PRINT_STATS_LE32(ofdm
, sfd_timeout
);
641 PRINT_STATS_LE32(ofdm
, fina_timeout
);
642 PRINT_STATS_LE32(ofdm
, unresponded_rts
);
643 PRINT_STATS_LE32(ofdm
, rxe_frame_lmt_overrun
);
644 PRINT_STATS_LE32(ofdm
, sent_ack_cnt
);
645 PRINT_STATS_LE32(ofdm
, sent_cts_cnt
);
646 PRINT_STATS_LE32(ofdm
, sent_ba_rsp_cnt
);
647 PRINT_STATS_LE32(ofdm
, dsp_self_kill
);
648 PRINT_STATS_LE32(ofdm
, mh_format_err
);
649 PRINT_STATS_LE32(ofdm
, re_acq_main_rssi_sum
);
650 PRINT_STATS_LE32(ofdm
, reserved
);
652 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, fmt_header
,
653 "Statistics_Rx - CCK");
654 PRINT_STATS_LE32(cck
, ina_cnt
);
655 PRINT_STATS_LE32(cck
, fina_cnt
);
656 PRINT_STATS_LE32(cck
, plcp_err
);
657 PRINT_STATS_LE32(cck
, crc32_err
);
658 PRINT_STATS_LE32(cck
, overrun_err
);
659 PRINT_STATS_LE32(cck
, early_overrun_err
);
660 PRINT_STATS_LE32(cck
, crc32_good
);
661 PRINT_STATS_LE32(cck
, false_alarm_cnt
);
662 PRINT_STATS_LE32(cck
, fina_sync_err_cnt
);
663 PRINT_STATS_LE32(cck
, sfd_timeout
);
664 PRINT_STATS_LE32(cck
, fina_timeout
);
665 PRINT_STATS_LE32(cck
, unresponded_rts
);
666 PRINT_STATS_LE32(cck
, rxe_frame_lmt_overrun
);
667 PRINT_STATS_LE32(cck
, sent_ack_cnt
);
668 PRINT_STATS_LE32(cck
, sent_cts_cnt
);
669 PRINT_STATS_LE32(cck
, sent_ba_rsp_cnt
);
670 PRINT_STATS_LE32(cck
, dsp_self_kill
);
671 PRINT_STATS_LE32(cck
, mh_format_err
);
672 PRINT_STATS_LE32(cck
, re_acq_main_rssi_sum
);
673 PRINT_STATS_LE32(cck
, reserved
);
675 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, fmt_header
,
676 "Statistics_Rx - GENERAL");
677 PRINT_STATS_LE32(general
, bogus_cts
);
678 PRINT_STATS_LE32(general
, bogus_ack
);
679 PRINT_STATS_LE32(general
, non_bssid_frames
);
680 PRINT_STATS_LE32(general
, filtered_frames
);
681 PRINT_STATS_LE32(general
, non_channel_beacons
);
682 PRINT_STATS_LE32(general
, channel_beacons
);
683 PRINT_STATS_LE32(general
, num_missed_bcon
);
684 PRINT_STATS_LE32(general
, adc_rx_saturation_time
);
685 PRINT_STATS_LE32(general
, ina_detection_search_time
);
686 PRINT_STATS_LE32(general
, beacon_silence_rssi_a
);
687 PRINT_STATS_LE32(general
, beacon_silence_rssi_b
);
688 PRINT_STATS_LE32(general
, beacon_silence_rssi_c
);
689 PRINT_STATS_LE32(general
, interference_data_flag
);
690 PRINT_STATS_LE32(general
, channel_load
);
691 PRINT_STATS_LE32(general
, dsp_false_alarms
);
692 PRINT_STATS_LE32(general
, beacon_rssi_a
);
693 PRINT_STATS_LE32(general
, beacon_rssi_b
);
694 PRINT_STATS_LE32(general
, beacon_rssi_c
);
695 PRINT_STATS_LE32(general
, beacon_energy_a
);
696 PRINT_STATS_LE32(general
, beacon_energy_b
);
697 PRINT_STATS_LE32(general
, beacon_energy_c
);
698 PRINT_STATS_LE32(general
, num_bt_kills
);
699 PRINT_STATS_LE32(general
, mac_id
);
700 PRINT_STATS_LE32(general
, directed_data_mpdu
);
702 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, fmt_header
,
703 "Statistics_Rx - HT");
704 PRINT_STATS_LE32(ht
, plcp_err
);
705 PRINT_STATS_LE32(ht
, overrun_err
);
706 PRINT_STATS_LE32(ht
, early_overrun_err
);
707 PRINT_STATS_LE32(ht
, crc32_good
);
708 PRINT_STATS_LE32(ht
, crc32_err
);
709 PRINT_STATS_LE32(ht
, mh_format_err
);
710 PRINT_STATS_LE32(ht
, agg_crc32_good
);
711 PRINT_STATS_LE32(ht
, agg_mpdu_cnt
);
712 PRINT_STATS_LE32(ht
, agg_cnt
);
713 PRINT_STATS_LE32(ht
, unsupport_mcs
);
715 mutex_unlock(&mvm
->mutex
);
717 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
722 #undef PRINT_STAT_LE32
724 static ssize_t
iwl_dbgfs_frame_stats_read(struct iwl_mvm
*mvm
,
725 char __user
*user_buf
, size_t count
,
727 struct iwl_mvm_frame_stats
*stats
)
729 char *buff
, *pos
, *endpos
;
732 static const size_t bufsz
= 1024;
734 buff
= kmalloc(bufsz
, GFP_KERNEL
);
738 spin_lock_bh(&mvm
->drv_stats_lock
);
741 endpos
= pos
+ bufsz
;
743 pos
+= scnprintf(pos
, endpos
- pos
,
744 "Legacy/HT/VHT\t:\t%d/%d/%d\n",
745 stats
->legacy_frames
,
748 pos
+= scnprintf(pos
, endpos
- pos
, "20/40/80\t:\t%d/%d/%d\n",
751 stats
->bw_80_frames
);
752 pos
+= scnprintf(pos
, endpos
- pos
, "NGI/SGI\t\t:\t%d/%d\n",
755 pos
+= scnprintf(pos
, endpos
- pos
, "SISO/MIMO2\t:\t%d/%d\n",
757 stats
->mimo2_frames
);
758 pos
+= scnprintf(pos
, endpos
- pos
, "FAIL/SCSS\t:\t%d/%d\n",
760 stats
->success_frames
);
761 pos
+= scnprintf(pos
, endpos
- pos
, "MPDUs agg\t:\t%d\n",
763 pos
+= scnprintf(pos
, endpos
- pos
, "A-MPDUs\t\t:\t%d\n",
765 pos
+= scnprintf(pos
, endpos
- pos
, "Avg MPDUs/A-MPDU:\t%d\n",
766 stats
->ampdu_count
> 0 ?
767 (stats
->agg_frames
/ stats
->ampdu_count
) : 0);
769 pos
+= scnprintf(pos
, endpos
- pos
, "Last Rates\n");
771 idx
= stats
->last_frame_idx
- 1;
772 for (i
= 0; i
< ARRAY_SIZE(stats
->last_rates
); i
++) {
773 idx
= (idx
+ 1) % ARRAY_SIZE(stats
->last_rates
);
774 if (stats
->last_rates
[idx
] == 0)
776 pos
+= scnprintf(pos
, endpos
- pos
, "Rate[%d]: ",
777 (int)(ARRAY_SIZE(stats
->last_rates
) - i
));
778 pos
+= rs_pretty_print_rate(pos
, stats
->last_rates
[idx
]);
780 spin_unlock_bh(&mvm
->drv_stats_lock
);
782 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, buff
, pos
- buff
);
788 static ssize_t
iwl_dbgfs_drv_rx_stats_read(struct file
*file
,
789 char __user
*user_buf
, size_t count
,
792 struct iwl_mvm
*mvm
= file
->private_data
;
794 return iwl_dbgfs_frame_stats_read(mvm
, user_buf
, count
, ppos
,
798 static ssize_t
iwl_dbgfs_fw_restart_write(struct iwl_mvm
*mvm
, char *buf
,
799 size_t count
, loff_t
*ppos
)
803 mutex_lock(&mvm
->mutex
);
805 /* allow one more restart that we're provoking here */
806 if (mvm
->restart_fw
>= 0)
809 /* take the return value to make compiler happy - it will fail anyway */
810 ret
= iwl_mvm_send_cmd_pdu(mvm
, REPLY_ERROR
, 0, 0, NULL
);
812 mutex_unlock(&mvm
->mutex
);
817 static ssize_t
iwl_dbgfs_fw_nmi_write(struct iwl_mvm
*mvm
, char *buf
,
818 size_t count
, loff_t
*ppos
)
820 int ret
= iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_NMI
);
824 iwl_force_nmi(mvm
->trans
);
826 iwl_mvm_unref(mvm
, IWL_MVM_REF_NMI
);
832 iwl_dbgfs_scan_ant_rxchain_read(struct file
*file
,
833 char __user
*user_buf
,
834 size_t count
, loff_t
*ppos
)
836 struct iwl_mvm
*mvm
= file
->private_data
;
839 const size_t bufsz
= sizeof(buf
);
841 /* print which antennas were set for the scan command by the user */
842 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "Antennas for scan: ");
843 if (mvm
->scan_rx_ant
& ANT_A
)
844 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "A");
845 if (mvm
->scan_rx_ant
& ANT_B
)
846 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "B");
847 if (mvm
->scan_rx_ant
& ANT_C
)
848 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "C");
849 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, " (%hhx)\n", mvm
->scan_rx_ant
);
851 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
855 iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm
*mvm
, char *buf
,
856 size_t count
, loff_t
*ppos
)
860 if (sscanf(buf
, "%hhx", &scan_rx_ant
) != 1)
862 if (scan_rx_ant
> ANT_ABC
)
864 if (scan_rx_ant
& ~(iwl_mvm_get_valid_rx_ant(mvm
)))
867 if (mvm
->scan_rx_ant
!= scan_rx_ant
) {
868 mvm
->scan_rx_ant
= scan_rx_ant
;
869 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
870 IWL_UCODE_TLV_CAPA_UMAC_SCAN
))
871 iwl_mvm_config_scan(mvm
);
877 static ssize_t
iwl_dbgfs_indirection_tbl_write(struct iwl_mvm
*mvm
,
878 char *buf
, size_t count
,
881 struct iwl_rss_config_cmd cmd
= {
882 .flags
= cpu_to_le32(IWL_RSS_ENABLE
),
883 .hash_mask
= IWL_RSS_HASH_TYPE_IPV4_TCP
|
884 IWL_RSS_HASH_TYPE_IPV4_UDP
|
885 IWL_RSS_HASH_TYPE_IPV4_PAYLOAD
|
886 IWL_RSS_HASH_TYPE_IPV6_TCP
|
887 IWL_RSS_HASH_TYPE_IPV6_UDP
|
888 IWL_RSS_HASH_TYPE_IPV6_PAYLOAD
,
890 int ret
, i
, num_repeats
, nbytes
= count
/ 2;
892 ret
= hex2bin(cmd
.indirection_table
, buf
, nbytes
);
897 * The input is the redirection table, partial or full.
898 * Repeat the pattern if needed.
899 * For example, input of 01020F will be repeated 42 times,
900 * indirecting RSS hash results to queues 1, 2, 15 (skipping
903 num_repeats
= ARRAY_SIZE(cmd
.indirection_table
) / nbytes
;
904 for (i
= 1; i
< num_repeats
; i
++)
905 memcpy(&cmd
.indirection_table
[i
* nbytes
],
906 cmd
.indirection_table
, nbytes
);
907 /* handle cut in the middle pattern for the last places */
908 memcpy(&cmd
.indirection_table
[i
* nbytes
], cmd
.indirection_table
,
909 ARRAY_SIZE(cmd
.indirection_table
) % nbytes
);
911 netdev_rss_key_fill(cmd
.secret_key
, sizeof(cmd
.secret_key
));
913 mutex_lock(&mvm
->mutex
);
914 ret
= iwl_mvm_send_cmd_pdu(mvm
, RSS_CONFIG_CMD
, 0, sizeof(cmd
), &cmd
);
915 mutex_unlock(&mvm
->mutex
);
920 static ssize_t
iwl_dbgfs_inject_packet_write(struct iwl_mvm
*mvm
,
921 char *buf
, size_t count
,
924 struct iwl_rx_cmd_buffer rxb
= {
926 .truesize
= 0, /* not used */
929 struct iwl_rx_packet
*pkt
;
930 struct iwl_rx_mpdu_desc
*desc
;
931 int bin_len
= count
/ 2;
934 /* supporting only 9000 descriptor */
935 if (!mvm
->trans
->cfg
->mq_rx_supported
)
938 rxb
._page
= alloc_pages(GFP_ATOMIC
, 0);
941 pkt
= rxb_addr(&rxb
);
943 ret
= hex2bin(page_address(rxb
._page
), buf
, bin_len
);
947 /* avoid invalid memory access */
948 if (bin_len
< sizeof(*pkt
) + sizeof(*desc
))
951 /* check this is RX packet */
952 if (WIDE_ID(pkt
->hdr
.group_id
, pkt
->hdr
.cmd
) !=
953 WIDE_ID(LEGACY_GROUP
, REPLY_RX_MPDU_CMD
))
956 /* check the length in metadata matches actual received length */
957 desc
= (void *)pkt
->data
;
958 if (le16_to_cpu(desc
->mpdu_len
) !=
959 (bin_len
- sizeof(*desc
) - sizeof(*pkt
)))
963 iwl_mvm_rx_mpdu_mq(mvm
, NULL
, &rxb
, 0);
973 static ssize_t
iwl_dbgfs_fw_dbg_conf_read(struct file
*file
,
974 char __user
*user_buf
,
975 size_t count
, loff_t
*ppos
)
977 struct iwl_mvm
*mvm
= file
->private_data
;
980 const size_t bufsz
= sizeof(buf
);
983 mutex_lock(&mvm
->mutex
);
984 conf
= mvm
->fw_dbg_conf
;
985 mutex_unlock(&mvm
->mutex
);
987 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%d\n", conf
);
989 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
993 * Enable / Disable continuous recording.
994 * Cause the FW to start continuous recording, by sending the relevant hcmd.
995 * Enable: input of every integer larger than 0, ENABLE_CONT_RECORDING.
996 * Disable: for 0 as input, DISABLE_CONT_RECORDING.
998 static ssize_t
iwl_dbgfs_cont_recording_write(struct iwl_mvm
*mvm
,
999 char *buf
, size_t count
,
1002 struct iwl_trans
*trans
= mvm
->trans
;
1003 const struct iwl_fw_dbg_dest_tlv
*dest
= trans
->dbg_dest_tlv
;
1004 struct iwl_continuous_record_cmd cont_rec
= {};
1010 if (dest
->monitor_mode
!= SMEM_MODE
||
1011 trans
->cfg
->device_family
!= IWL_DEVICE_FAMILY_8000
)
1014 ret
= kstrtoint(buf
, 0, &rec_mode
);
1018 cont_rec
.record_mode
.enable_recording
= rec_mode
?
1019 cpu_to_le16(ENABLE_CONT_RECORDING
) :
1020 cpu_to_le16(DISABLE_CONT_RECORDING
);
1022 mutex_lock(&mvm
->mutex
);
1023 ret
= iwl_mvm_send_cmd_pdu(mvm
, LDBG_CONFIG_CMD
, 0,
1024 sizeof(cont_rec
), &cont_rec
);
1025 mutex_unlock(&mvm
->mutex
);
1027 return ret
?: count
;
1030 static ssize_t
iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm
*mvm
,
1031 char *buf
, size_t count
,
1034 unsigned int conf_id
;
1037 ret
= kstrtouint(buf
, 0, &conf_id
);
1041 if (WARN_ON(conf_id
>= FW_DBG_CONF_MAX
))
1044 mutex_lock(&mvm
->mutex
);
1045 ret
= iwl_mvm_start_fw_dbg_conf(mvm
, conf_id
);
1046 mutex_unlock(&mvm
->mutex
);
1048 return ret
?: count
;
1051 static ssize_t
iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm
*mvm
,
1052 char *buf
, size_t count
,
1055 int ret
= iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_PRPH_WRITE
);
1060 iwl_mvm_fw_dbg_collect(mvm
, FW_DBG_TRIGGER_USER
, buf
,
1063 iwl_mvm_unref(mvm
, IWL_MVM_REF_PRPH_WRITE
);
1068 static ssize_t
iwl_dbgfs_max_amsdu_len_write(struct iwl_mvm
*mvm
,
1069 char *buf
, size_t count
,
1072 unsigned int max_amsdu_len
;
1075 ret
= kstrtouint(buf
, 0, &max_amsdu_len
);
1079 if (max_amsdu_len
> IEEE80211_MAX_MPDU_LEN_VHT_11454
)
1081 mvm
->max_amsdu_len
= max_amsdu_len
;
1086 #define ADD_TEXT(...) pos += scnprintf(buf + pos, bufsz - pos, __VA_ARGS__)
1087 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1088 static ssize_t
iwl_dbgfs_bcast_filters_read(struct file
*file
,
1089 char __user
*user_buf
,
1090 size_t count
, loff_t
*ppos
)
1092 struct iwl_mvm
*mvm
= file
->private_data
;
1093 struct iwl_bcast_filter_cmd cmd
;
1094 const struct iwl_fw_bcast_filter
*filter
;
1100 buf
= kzalloc(bufsz
, GFP_KERNEL
);
1104 mutex_lock(&mvm
->mutex
);
1105 if (!iwl_mvm_bcast_filter_build_cmd(mvm
, &cmd
)) {
1107 mutex_unlock(&mvm
->mutex
);
1110 mutex_unlock(&mvm
->mutex
);
1112 for (i
= 0; cmd
.filters
[i
].attrs
[0].mask
; i
++) {
1113 filter
= &cmd
.filters
[i
];
1115 ADD_TEXT("Filter [%d]:\n", i
);
1116 ADD_TEXT("\tDiscard=%d\n", filter
->discard
);
1117 ADD_TEXT("\tFrame Type: %s\n",
1118 filter
->frame_type
? "IPv4" : "Generic");
1120 for (j
= 0; j
< ARRAY_SIZE(filter
->attrs
); j
++) {
1121 const struct iwl_fw_bcast_filter_attr
*attr
;
1123 attr
= &filter
->attrs
[j
];
1127 ADD_TEXT("\tAttr [%d]: offset=%d (from %s), mask=0x%x, value=0x%x reserved=0x%x\n",
1129 attr
->offset_type
? "IP End" :
1131 be32_to_cpu(attr
->mask
),
1132 be32_to_cpu(attr
->val
),
1133 le16_to_cpu(attr
->reserved1
));
1137 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
1142 static ssize_t
iwl_dbgfs_bcast_filters_write(struct iwl_mvm
*mvm
, char *buf
,
1143 size_t count
, loff_t
*ppos
)
1146 struct iwl_fw_bcast_filter filter
= {};
1147 struct iwl_bcast_filter_cmd cmd
;
1148 u32 filter_id
, attr_id
, mask
, value
;
1151 if (sscanf(buf
, "%d %hhi %hhi %n", &filter_id
, &filter
.discard
,
1152 &filter
.frame_type
, &pos
) != 3)
1155 if (filter_id
>= ARRAY_SIZE(mvm
->dbgfs_bcast_filtering
.cmd
.filters
) ||
1156 filter
.frame_type
> BCAST_FILTER_FRAME_TYPE_IPV4
)
1159 for (attr_id
= 0; attr_id
< ARRAY_SIZE(filter
.attrs
);
1161 struct iwl_fw_bcast_filter_attr
*attr
=
1162 &filter
.attrs
[attr_id
];
1167 if (sscanf(&buf
[pos
], "%hhi %hhi %i %i %n",
1168 &attr
->offset
, &attr
->offset_type
,
1169 &mask
, &value
, &next_pos
) != 4)
1172 attr
->mask
= cpu_to_be32(mask
);
1173 attr
->val
= cpu_to_be32(value
);
1180 mutex_lock(&mvm
->mutex
);
1181 memcpy(&mvm
->dbgfs_bcast_filtering
.cmd
.filters
[filter_id
],
1182 &filter
, sizeof(filter
));
1184 /* send updated bcast filtering configuration */
1185 if (mvm
->dbgfs_bcast_filtering
.override
&&
1186 iwl_mvm_bcast_filter_build_cmd(mvm
, &cmd
))
1187 err
= iwl_mvm_send_cmd_pdu(mvm
, BCAST_FILTER_CMD
, 0,
1189 mutex_unlock(&mvm
->mutex
);
1191 return err
?: count
;
1194 static ssize_t
iwl_dbgfs_bcast_filters_macs_read(struct file
*file
,
1195 char __user
*user_buf
,
1196 size_t count
, loff_t
*ppos
)
1198 struct iwl_mvm
*mvm
= file
->private_data
;
1199 struct iwl_bcast_filter_cmd cmd
;
1205 buf
= kzalloc(bufsz
, GFP_KERNEL
);
1209 mutex_lock(&mvm
->mutex
);
1210 if (!iwl_mvm_bcast_filter_build_cmd(mvm
, &cmd
)) {
1212 mutex_unlock(&mvm
->mutex
);
1215 mutex_unlock(&mvm
->mutex
);
1217 for (i
= 0; i
< ARRAY_SIZE(cmd
.macs
); i
++) {
1218 const struct iwl_fw_bcast_mac
*mac
= &cmd
.macs
[i
];
1220 ADD_TEXT("Mac [%d]: discard=%d attached_filters=0x%x\n",
1221 i
, mac
->default_discard
, mac
->attached_filters
);
1224 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
1229 static ssize_t
iwl_dbgfs_bcast_filters_macs_write(struct iwl_mvm
*mvm
,
1230 char *buf
, size_t count
,
1233 struct iwl_bcast_filter_cmd cmd
;
1234 struct iwl_fw_bcast_mac mac
= {};
1235 u32 mac_id
, attached_filters
;
1238 if (!mvm
->bcast_filters
)
1241 if (sscanf(buf
, "%d %hhi %i", &mac_id
, &mac
.default_discard
,
1242 &attached_filters
) != 3)
1245 if (mac_id
>= ARRAY_SIZE(cmd
.macs
) ||
1246 mac
.default_discard
> 1 ||
1247 attached_filters
>= BIT(ARRAY_SIZE(cmd
.filters
)))
1250 mac
.attached_filters
= cpu_to_le16(attached_filters
);
1252 mutex_lock(&mvm
->mutex
);
1253 memcpy(&mvm
->dbgfs_bcast_filtering
.cmd
.macs
[mac_id
],
1256 /* send updated bcast filtering configuration */
1257 if (mvm
->dbgfs_bcast_filtering
.override
&&
1258 iwl_mvm_bcast_filter_build_cmd(mvm
, &cmd
))
1259 err
= iwl_mvm_send_cmd_pdu(mvm
, BCAST_FILTER_CMD
, 0,
1261 mutex_unlock(&mvm
->mutex
);
1263 return err
?: count
;
1267 #ifdef CONFIG_PM_SLEEP
1268 static ssize_t
iwl_dbgfs_d3_sram_write(struct iwl_mvm
*mvm
, char *buf
,
1269 size_t count
, loff_t
*ppos
)
1273 if (sscanf(buf
, "%d", &store
) != 1)
1276 mvm
->store_d3_resume_sram
= store
;
1281 static ssize_t
iwl_dbgfs_d3_sram_read(struct file
*file
, char __user
*user_buf
,
1282 size_t count
, loff_t
*ppos
)
1284 struct iwl_mvm
*mvm
= file
->private_data
;
1285 const struct fw_img
*img
;
1286 int ofs
, len
, pos
= 0;
1289 u8
*ptr
= mvm
->d3_resume_sram
;
1291 img
= &mvm
->fw
->img
[IWL_UCODE_WOWLAN
];
1292 len
= img
->sec
[IWL_UCODE_SECTION_DATA
].len
;
1294 bufsz
= len
* 4 + 256;
1295 buf
= kzalloc(bufsz
, GFP_KERNEL
);
1299 pos
+= scnprintf(buf
, bufsz
, "D3 SRAM capture: %sabled\n",
1300 mvm
->store_d3_resume_sram
? "en" : "dis");
1303 for (ofs
= 0; ofs
< len
; ofs
+= 16) {
1304 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1305 "0x%.4x %16ph\n", ofs
, ptr
+ ofs
);
1308 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
1309 "(no data captured)\n");
1312 ret
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
1320 #define PRINT_MVM_REF(ref) do { \
1321 if (mvm->refs[ref]) \
1322 pos += scnprintf(buf + pos, bufsz - pos, \
1323 "\t(0x%lx): %d %s\n", \
1324 BIT(ref), mvm->refs[ref], #ref); \
1327 static ssize_t
iwl_dbgfs_d0i3_refs_read(struct file
*file
,
1328 char __user
*user_buf
,
1329 size_t count
, loff_t
*ppos
)
1331 struct iwl_mvm
*mvm
= file
->private_data
;
1334 const size_t bufsz
= sizeof(buf
);
1337 for (i
= 0; i
< IWL_MVM_REF_COUNT
; i
++)
1341 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "taken mvm refs: 0x%x\n",
1344 PRINT_MVM_REF(IWL_MVM_REF_UCODE_DOWN
);
1345 PRINT_MVM_REF(IWL_MVM_REF_SCAN
);
1346 PRINT_MVM_REF(IWL_MVM_REF_ROC
);
1347 PRINT_MVM_REF(IWL_MVM_REF_ROC_AUX
);
1348 PRINT_MVM_REF(IWL_MVM_REF_P2P_CLIENT
);
1349 PRINT_MVM_REF(IWL_MVM_REF_AP_IBSS
);
1350 PRINT_MVM_REF(IWL_MVM_REF_USER
);
1351 PRINT_MVM_REF(IWL_MVM_REF_TX
);
1352 PRINT_MVM_REF(IWL_MVM_REF_TX_AGG
);
1353 PRINT_MVM_REF(IWL_MVM_REF_ADD_IF
);
1354 PRINT_MVM_REF(IWL_MVM_REF_START_AP
);
1355 PRINT_MVM_REF(IWL_MVM_REF_BSS_CHANGED
);
1356 PRINT_MVM_REF(IWL_MVM_REF_PREPARE_TX
);
1357 PRINT_MVM_REF(IWL_MVM_REF_PROTECT_TDLS
);
1358 PRINT_MVM_REF(IWL_MVM_REF_CHECK_CTKILL
);
1359 PRINT_MVM_REF(IWL_MVM_REF_PRPH_READ
);
1360 PRINT_MVM_REF(IWL_MVM_REF_PRPH_WRITE
);
1361 PRINT_MVM_REF(IWL_MVM_REF_NMI
);
1362 PRINT_MVM_REF(IWL_MVM_REF_TM_CMD
);
1363 PRINT_MVM_REF(IWL_MVM_REF_EXIT_WORK
);
1364 PRINT_MVM_REF(IWL_MVM_REF_PROTECT_CSA
);
1365 PRINT_MVM_REF(IWL_MVM_REF_FW_DBG_COLLECT
);
1366 PRINT_MVM_REF(IWL_MVM_REF_INIT_UCODE
);
1367 PRINT_MVM_REF(IWL_MVM_REF_SENDING_CMD
);
1368 PRINT_MVM_REF(IWL_MVM_REF_RX
);
1370 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
1373 static ssize_t
iwl_dbgfs_d0i3_refs_write(struct iwl_mvm
*mvm
, char *buf
,
1374 size_t count
, loff_t
*ppos
)
1376 unsigned long value
;
1380 ret
= kstrtoul(buf
, 10, &value
);
1384 mutex_lock(&mvm
->mutex
);
1386 taken
= mvm
->refs
[IWL_MVM_REF_USER
];
1387 if (value
== 1 && !taken
)
1388 iwl_mvm_ref(mvm
, IWL_MVM_REF_USER
);
1389 else if (value
== 0 && taken
)
1390 iwl_mvm_unref(mvm
, IWL_MVM_REF_USER
);
1394 mutex_unlock(&mvm
->mutex
);
1401 #define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \
1402 _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
1403 #define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \
1404 _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
1405 #define MVM_DEBUGFS_ADD_FILE_ALIAS(alias, name, parent, mode) do { \
1406 if (!debugfs_create_file(alias, mode, parent, mvm, \
1407 &iwl_dbgfs_##name##_ops)) \
1410 #define MVM_DEBUGFS_ADD_FILE(name, parent, mode) \
1411 MVM_DEBUGFS_ADD_FILE_ALIAS(#name, name, parent, mode)
1414 iwl_dbgfs_prph_reg_read(struct file
*file
,
1415 char __user
*user_buf
,
1416 size_t count
, loff_t
*ppos
)
1418 struct iwl_mvm
*mvm
= file
->private_data
;
1421 const size_t bufsz
= sizeof(buf
);
1424 if (!mvm
->dbgfs_prph_reg_addr
)
1427 ret
= iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_PRPH_READ
);
1431 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "Reg 0x%x: (0x%x)\n",
1432 mvm
->dbgfs_prph_reg_addr
,
1433 iwl_read_prph(mvm
->trans
, mvm
->dbgfs_prph_reg_addr
));
1435 iwl_mvm_unref(mvm
, IWL_MVM_REF_PRPH_READ
);
1437 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, pos
);
1441 iwl_dbgfs_prph_reg_write(struct iwl_mvm
*mvm
, char *buf
,
1442 size_t count
, loff_t
*ppos
)
1448 args
= sscanf(buf
, "%i %i", &mvm
->dbgfs_prph_reg_addr
, &value
);
1449 /* if we only want to set the reg address - nothing more to do */
1453 /* otherwise, make sure we have both address and value */
1457 ret
= iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_PRPH_WRITE
);
1461 iwl_write_prph(mvm
->trans
, mvm
->dbgfs_prph_reg_addr
, value
);
1463 iwl_mvm_unref(mvm
, IWL_MVM_REF_PRPH_WRITE
);
1469 iwl_dbgfs_send_echo_cmd_write(struct iwl_mvm
*mvm
, char *buf
,
1470 size_t count
, loff_t
*ppos
)
1474 mutex_lock(&mvm
->mutex
);
1475 ret
= iwl_mvm_send_cmd_pdu(mvm
, ECHO_CMD
, 0, 0, NULL
);
1476 mutex_unlock(&mvm
->mutex
);
1478 return ret
?: count
;
1481 MVM_DEBUGFS_READ_WRITE_FILE_OPS(prph_reg
, 64);
1483 /* Device wide debugfs entries */
1484 MVM_DEBUGFS_READ_FILE_OPS(ctdp_budget
);
1485 MVM_DEBUGFS_WRITE_FILE_OPS(stop_ctdp
, 8);
1486 MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush
, 16);
1487 MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain
, 8);
1488 MVM_DEBUGFS_WRITE_FILE_OPS(send_echo_cmd
, 8);
1489 MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram
, 64);
1490 MVM_DEBUGFS_READ_WRITE_FILE_OPS(set_nic_temperature
, 64);
1491 MVM_DEBUGFS_READ_FILE_OPS(nic_temp
);
1492 MVM_DEBUGFS_READ_FILE_OPS(stations
);
1493 MVM_DEBUGFS_READ_FILE_OPS(bt_notif
);
1494 MVM_DEBUGFS_READ_FILE_OPS(bt_cmd
);
1495 MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off
, 64);
1496 MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats
);
1497 MVM_DEBUGFS_READ_FILE_OPS(drv_rx_stats
);
1498 MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart
, 10);
1499 MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi
, 10);
1500 MVM_DEBUGFS_WRITE_FILE_OPS(bt_tx_prio
, 10);
1501 MVM_DEBUGFS_WRITE_FILE_OPS(bt_force_ant
, 10);
1502 MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain
, 8);
1503 MVM_DEBUGFS_READ_WRITE_FILE_OPS(d0i3_refs
, 8);
1504 MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf
, 8);
1505 MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect
, 64);
1506 MVM_DEBUGFS_WRITE_FILE_OPS(cont_recording
, 8);
1507 MVM_DEBUGFS_WRITE_FILE_OPS(max_amsdu_len
, 8);
1508 MVM_DEBUGFS_WRITE_FILE_OPS(indirection_tbl
,
1509 (IWL_RSS_INDIRECTION_TABLE_SIZE
* 2));
1510 MVM_DEBUGFS_WRITE_FILE_OPS(inject_packet
, 512);
1512 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1513 MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters
, 256);
1514 MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters_macs
, 256);
1517 #ifdef CONFIG_PM_SLEEP
1518 MVM_DEBUGFS_READ_WRITE_FILE_OPS(d3_sram
, 8);
1521 static ssize_t
iwl_dbgfs_mem_read(struct file
*file
, char __user
*user_buf
,
1522 size_t count
, loff_t
*ppos
)
1524 struct iwl_mvm
*mvm
= file
->private_data
;
1525 struct iwl_dbg_mem_access_cmd cmd
= {};
1526 struct iwl_dbg_mem_access_rsp
*rsp
;
1527 struct iwl_host_cmd hcmd
= {
1528 .flags
= CMD_WANT_SKB
| CMD_SEND_IN_RFKILL
,
1530 .len
= { sizeof(cmd
) },
1535 hcmd
.id
= iwl_cmd_id(*ppos
>> 24 ? UMAC_RD_WR
: LMAC_RD_WR
,
1537 cmd
.op
= cpu_to_le32(DEBUG_MEM_OP_READ
);
1539 /* Take care of alignment of both the position and the length */
1540 delta
= *ppos
& 0x3;
1541 cmd
.addr
= cpu_to_le32(*ppos
- delta
);
1542 cmd
.len
= cpu_to_le32(min(ALIGN(count
+ delta
, 4) / 4,
1543 (size_t)DEBUG_MEM_MAX_SIZE_DWORDS
));
1545 mutex_lock(&mvm
->mutex
);
1546 ret
= iwl_mvm_send_cmd(mvm
, &hcmd
);
1547 mutex_unlock(&mvm
->mutex
);
1552 rsp
= (void *)hcmd
.resp_pkt
->data
;
1553 if (le32_to_cpu(rsp
->status
) != DEBUG_MEM_STATUS_SUCCESS
) {
1558 len
= min((size_t)le32_to_cpu(rsp
->len
) << 2,
1559 iwl_rx_packet_payload_len(hcmd
.resp_pkt
) - sizeof(*rsp
));
1560 len
= min(len
- delta
, count
);
1566 ret
= len
- copy_to_user(user_buf
, (void *)rsp
->data
+ delta
, len
);
1570 iwl_free_resp(&hcmd
);
1574 static ssize_t
iwl_dbgfs_mem_write(struct file
*file
,
1575 const char __user
*user_buf
, size_t count
,
1578 struct iwl_mvm
*mvm
= file
->private_data
;
1579 struct iwl_dbg_mem_access_cmd
*cmd
;
1580 struct iwl_dbg_mem_access_rsp
*rsp
;
1581 struct iwl_host_cmd hcmd
= {};
1587 hcmd
.id
= iwl_cmd_id(*ppos
>> 24 ? UMAC_RD_WR
: LMAC_RD_WR
,
1590 if (*ppos
& 0x3 || count
< 4) {
1591 op
= DEBUG_MEM_OP_WRITE_BYTES
;
1592 len
= min(count
, (size_t)(4 - (*ppos
& 0x3)));
1595 op
= DEBUG_MEM_OP_WRITE
;
1596 len
= min(count
>> 2, (size_t)DEBUG_MEM_MAX_SIZE_DWORDS
);
1597 data_size
= len
<< 2;
1600 cmd_size
= sizeof(*cmd
) + ALIGN(data_size
, 4);
1601 cmd
= kzalloc(cmd_size
, GFP_KERNEL
);
1605 cmd
->op
= cpu_to_le32(op
);
1606 cmd
->len
= cpu_to_le32(len
);
1607 cmd
->addr
= cpu_to_le32(*ppos
);
1608 if (copy_from_user((void *)cmd
->data
, user_buf
, data_size
)) {
1613 hcmd
.flags
= CMD_WANT_SKB
| CMD_SEND_IN_RFKILL
,
1614 hcmd
.data
[0] = (void *)cmd
;
1615 hcmd
.len
[0] = cmd_size
;
1617 mutex_lock(&mvm
->mutex
);
1618 ret
= iwl_mvm_send_cmd(mvm
, &hcmd
);
1619 mutex_unlock(&mvm
->mutex
);
1626 rsp
= (void *)hcmd
.resp_pkt
->data
;
1627 if (rsp
->status
!= DEBUG_MEM_STATUS_SUCCESS
) {
1636 iwl_free_resp(&hcmd
);
1640 static const struct file_operations iwl_dbgfs_mem_ops
= {
1641 .read
= iwl_dbgfs_mem_read
,
1642 .write
= iwl_dbgfs_mem_write
,
1643 .open
= simple_open
,
1644 .llseek
= default_llseek
,
1647 int iwl_mvm_dbgfs_register(struct iwl_mvm
*mvm
, struct dentry
*dbgfs_dir
)
1649 struct dentry
*bcast_dir __maybe_unused
;
1652 spin_lock_init(&mvm
->drv_stats_lock
);
1654 mvm
->debugfs_dir
= dbgfs_dir
;
1656 MVM_DEBUGFS_ADD_FILE(tx_flush
, mvm
->debugfs_dir
, S_IWUSR
);
1657 MVM_DEBUGFS_ADD_FILE(sta_drain
, mvm
->debugfs_dir
, S_IWUSR
);
1658 MVM_DEBUGFS_ADD_FILE(sram
, mvm
->debugfs_dir
, S_IWUSR
| S_IRUSR
);
1659 MVM_DEBUGFS_ADD_FILE(set_nic_temperature
, mvm
->debugfs_dir
,
1661 MVM_DEBUGFS_ADD_FILE(nic_temp
, dbgfs_dir
, S_IRUSR
);
1662 MVM_DEBUGFS_ADD_FILE(ctdp_budget
, dbgfs_dir
, S_IRUSR
);
1663 MVM_DEBUGFS_ADD_FILE(stop_ctdp
, dbgfs_dir
, S_IWUSR
);
1664 MVM_DEBUGFS_ADD_FILE(stations
, dbgfs_dir
, S_IRUSR
);
1665 MVM_DEBUGFS_ADD_FILE(bt_notif
, dbgfs_dir
, S_IRUSR
);
1666 MVM_DEBUGFS_ADD_FILE(bt_cmd
, dbgfs_dir
, S_IRUSR
);
1667 MVM_DEBUGFS_ADD_FILE(disable_power_off
, mvm
->debugfs_dir
,
1669 MVM_DEBUGFS_ADD_FILE(fw_rx_stats
, mvm
->debugfs_dir
, S_IRUSR
);
1670 MVM_DEBUGFS_ADD_FILE(drv_rx_stats
, mvm
->debugfs_dir
, S_IRUSR
);
1671 MVM_DEBUGFS_ADD_FILE(fw_restart
, mvm
->debugfs_dir
, S_IWUSR
);
1672 MVM_DEBUGFS_ADD_FILE(fw_nmi
, mvm
->debugfs_dir
, S_IWUSR
);
1673 MVM_DEBUGFS_ADD_FILE(bt_tx_prio
, mvm
->debugfs_dir
, S_IWUSR
);
1674 MVM_DEBUGFS_ADD_FILE(bt_force_ant
, mvm
->debugfs_dir
, S_IWUSR
);
1675 MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain
, mvm
->debugfs_dir
,
1677 MVM_DEBUGFS_ADD_FILE(prph_reg
, mvm
->debugfs_dir
, S_IWUSR
| S_IRUSR
);
1678 MVM_DEBUGFS_ADD_FILE(d0i3_refs
, mvm
->debugfs_dir
, S_IRUSR
| S_IWUSR
);
1679 MVM_DEBUGFS_ADD_FILE(fw_dbg_conf
, mvm
->debugfs_dir
, S_IRUSR
| S_IWUSR
);
1680 MVM_DEBUGFS_ADD_FILE(fw_dbg_collect
, mvm
->debugfs_dir
, S_IWUSR
);
1681 MVM_DEBUGFS_ADD_FILE(max_amsdu_len
, mvm
->debugfs_dir
, S_IWUSR
);
1682 MVM_DEBUGFS_ADD_FILE(send_echo_cmd
, mvm
->debugfs_dir
, S_IWUSR
);
1683 MVM_DEBUGFS_ADD_FILE(cont_recording
, mvm
->debugfs_dir
, S_IWUSR
);
1684 MVM_DEBUGFS_ADD_FILE(indirection_tbl
, mvm
->debugfs_dir
, S_IWUSR
);
1685 MVM_DEBUGFS_ADD_FILE(inject_packet
, mvm
->debugfs_dir
, S_IWUSR
);
1686 if (!debugfs_create_bool("enable_scan_iteration_notif",
1689 &mvm
->scan_iter_notif_enabled
))
1691 if (!debugfs_create_bool("drop_bcn_ap_mode", S_IRUSR
| S_IWUSR
,
1692 mvm
->debugfs_dir
, &mvm
->drop_bcn_ap_mode
))
1695 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1696 if (mvm
->fw
->ucode_capa
.flags
& IWL_UCODE_TLV_FLAGS_BCAST_FILTERING
) {
1697 bcast_dir
= debugfs_create_dir("bcast_filtering",
1702 if (!debugfs_create_bool("override", S_IRUSR
| S_IWUSR
,
1704 &mvm
->dbgfs_bcast_filtering
.override
))
1707 MVM_DEBUGFS_ADD_FILE_ALIAS("filters", bcast_filters
,
1708 bcast_dir
, S_IWUSR
| S_IRUSR
);
1709 MVM_DEBUGFS_ADD_FILE_ALIAS("macs", bcast_filters_macs
,
1710 bcast_dir
, S_IWUSR
| S_IRUSR
);
1714 #ifdef CONFIG_PM_SLEEP
1715 MVM_DEBUGFS_ADD_FILE(d3_sram
, mvm
->debugfs_dir
, S_IRUSR
| S_IWUSR
);
1716 MVM_DEBUGFS_ADD_FILE(d3_test
, mvm
->debugfs_dir
, S_IRUSR
);
1717 if (!debugfs_create_bool("d3_wake_sysassert", S_IRUSR
| S_IWUSR
,
1718 mvm
->debugfs_dir
, &mvm
->d3_wake_sysassert
))
1720 if (!debugfs_create_u32("last_netdetect_scans", S_IRUSR
,
1721 mvm
->debugfs_dir
, &mvm
->last_netdetect_scans
))
1725 if (!debugfs_create_u8("ps_disabled", S_IRUSR
,
1726 mvm
->debugfs_dir
, &mvm
->ps_disabled
))
1728 if (!debugfs_create_blob("nvm_hw", S_IRUSR
,
1729 mvm
->debugfs_dir
, &mvm
->nvm_hw_blob
))
1731 if (!debugfs_create_blob("nvm_sw", S_IRUSR
,
1732 mvm
->debugfs_dir
, &mvm
->nvm_sw_blob
))
1734 if (!debugfs_create_blob("nvm_calib", S_IRUSR
,
1735 mvm
->debugfs_dir
, &mvm
->nvm_calib_blob
))
1737 if (!debugfs_create_blob("nvm_prod", S_IRUSR
,
1738 mvm
->debugfs_dir
, &mvm
->nvm_prod_blob
))
1740 if (!debugfs_create_blob("nvm_phy_sku", S_IRUSR
,
1741 mvm
->debugfs_dir
, &mvm
->nvm_phy_sku_blob
))
1744 debugfs_create_file("mem", S_IRUSR
| S_IWUSR
, dbgfs_dir
, mvm
,
1745 &iwl_dbgfs_mem_ops
);
1748 * Create a symlink with mac80211. It will be removed when mac80211
1749 * exists (before the opmode exists which removes the target.)
1751 snprintf(buf
, 100, "../../%s/%s",
1752 dbgfs_dir
->d_parent
->d_parent
->d_name
.name
,
1753 dbgfs_dir
->d_parent
->d_name
.name
);
1754 if (!debugfs_create_symlink("iwlwifi", mvm
->hw
->wiphy
->debugfsdir
, buf
))
1759 IWL_ERR(mvm
, "Can't create the mvm debugfs directory\n");