-
Notifications
You must be signed in to change notification settings - Fork 39
/
debug.c
3872 lines (3208 loc) · 103 KB
/
debug.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*
* Copyright (c) 2005-2011 Atheros Communications Inc.
* Copyright (c) 2011-2017 Qualcomm Atheros, Inc.
* Copyright (c) 2018, The Linux Foundation. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <linux/module.h>
#include <linux/debugfs.h>
#include <linux/vmalloc.h>
#include <linux/crc32.h>
#include <linux/firmware.h>
#include "core.h"
#include "debug.h"
#include "hif.h"
#include "wmi-ops.h"
#include "mac.h"
/* ms */
#define ATH10K_DEBUG_HTT_STATS_INTERVAL 1000
#define ATH10K_DEBUG_CAL_DATA_LEN 12064
#define ATH10K_DEBUG_NOP_INTERVAL 2000 /* ms */
void ath10k_info(struct ath10k *ar, const char *fmt, ...)
{
struct va_format vaf = {
.fmt = fmt,
};
va_list args;
va_start(args, fmt);
vaf.va = &args;
if (ath10k_debug_mask & ATH10K_DBG_INFO_AS_DBG)
dev_printk(KERN_DEBUG, ar->dev, "%pV", &vaf);
else
dev_info(ar->dev, "%pV", &vaf);
trace_ath10k_log_info(ar, &vaf);
va_end(args);
}
EXPORT_SYMBOL(ath10k_info);
void ath10k_debug_print_hwfw_info(struct ath10k *ar)
{
const struct firmware *firmware;
char fw_features[256] = {};
u32 crc = 0;
ath10k_core_get_fw_features_str(ar, fw_features, sizeof(fw_features));
ath10k_info(ar, "%s target 0x%08x chip_id 0x%08x sub %04x:%04x",
ar->hw_params.name,
ar->target_version,
ar->chip_id,
ar->id.subsystem_vendor, ar->id.subsystem_device);
ath10k_info(ar, "kconfig debug %d debugfs %d tracing %d dfs %d testmode %d\n",
IS_ENABLED(CONFIG_ATH10K_DEBUG),
IS_ENABLED(CONFIG_ATH10K_DEBUGFS),
IS_ENABLED(CONFIG_ATH10K_TRACING),
IS_ENABLED(CONFIG_ATH10K_DFS_CERTIFIED),
IS_ENABLED(CONFIG_NL80211_TESTMODE));
firmware = ar->normal_mode_fw.fw_file.firmware;
if (firmware)
crc = crc32_le(0, firmware->data, firmware->size);
ath10k_info(ar, "firmware ver %s api %d features %s crc32 %08x\n",
ar->hw->wiphy->fw_version,
ar->fw_api,
fw_features,
crc);
}
void ath10k_debug_print_board_info(struct ath10k *ar)
{
char boardinfo[100];
const struct firmware *board;
u32 crc;
if (ar->id.bmi_ids_valid)
scnprintf(boardinfo, sizeof(boardinfo), "%d:%d",
ar->id.bmi_chip_id, ar->id.bmi_board_id);
else
scnprintf(boardinfo, sizeof(boardinfo), "N/A");
board = ar->normal_mode_fw.board;
if (!IS_ERR_OR_NULL(board))
crc = crc32_le(0, board->data, board->size);
else
crc = 0xdeadbeef;
ath10k_info(ar, "board_file api %d bmi_id %s crc32 %08x",
ar->bd_api,
boardinfo,
crc);
}
void ath10k_debug_print_boot_info(struct ath10k *ar)
{
ath10k_info(ar, "htt-ver %d.%d wmi-op %d htt-op %d cal %s max-sta %d raw %d hwcrypto %d\n",
ar->htt.target_version_major,
ar->htt.target_version_minor,
ar->normal_mode_fw.fw_file.wmi_op_version,
ar->normal_mode_fw.fw_file.htt_op_version,
ath10k_cal_mode_str(ar->cal_mode),
ar->max_num_stations,
test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags),
!test_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags));
}
void ath10k_print_driver_info(struct ath10k *ar)
{
ath10k_debug_print_hwfw_info(ar);
ath10k_debug_print_board_info(ar);
ath10k_debug_print_boot_info(ar);
}
EXPORT_SYMBOL(ath10k_print_driver_info);
void ath10k_set_debug_mask(unsigned int v) {
ath10k_debug_mask = v;
}
EXPORT_SYMBOL(ath10k_set_debug_mask);
void ath10k_err(struct ath10k *ar, const char *fmt, ...)
{
struct va_format vaf = {
.fmt = fmt,
};
va_list args;
va_start(args, fmt);
vaf.va = &args;
dev_err(ar->dev, "%pV", &vaf);
trace_ath10k_log_err(ar, &vaf);
va_end(args);
}
EXPORT_SYMBOL(ath10k_err);
void ath10k_warn(struct ath10k *ar, const char *fmt, ...)
{
struct va_format vaf = {
.fmt = fmt,
};
va_list args;
va_start(args, fmt);
vaf.va = &args;
dev_warn(ar->dev, "%pV", &vaf);
trace_ath10k_log_warn(ar, &vaf);
va_end(args);
}
EXPORT_SYMBOL(ath10k_warn);
#ifdef CONFIG_ATH10K_DEBUGFS
static ssize_t ath10k_read_wmi_services(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath10k *ar = file->private_data;
char *buf;
size_t len = 0, buf_len = 8192;
const char *name;
ssize_t ret_cnt;
bool enabled;
int i;
buf = kzalloc(buf_len, GFP_KERNEL);
if (!buf)
return -ENOMEM;
mutex_lock(&ar->conf_mutex);
spin_lock_bh(&ar->data_lock);
for (i = 0; i < WMI_SERVICE_MAX; i++) {
enabled = test_bit(i, ar->wmi.svc_map);
name = wmi_service_name(i);
if (!name) {
if (enabled)
len += scnprintf(buf + len, buf_len - len,
"%-40s %s (bit %d)\n",
"unknown", "enabled", i);
continue;
}
len += scnprintf(buf + len, buf_len - len,
"%-40s %s\n",
name, enabled ? "enabled" : "-");
}
spin_unlock_bh(&ar->data_lock);
ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
mutex_unlock(&ar->conf_mutex);
kfree(buf);
return ret_cnt;
}
static const struct file_operations fops_wmi_services = {
.read = ath10k_read_wmi_services,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t ath10k_read_misc(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath10k *ar = file->private_data;
char *buf;
unsigned int len = 0, buf_len = 1000;
ssize_t ret_cnt;
buf = kzalloc(buf_len, GFP_KERNEL);
if (!buf)
return -ENOMEM;
mutex_lock(&ar->conf_mutex);
if (len > buf_len)
len = buf_len;
/* Probably need some sort of locking on the tx-queue?? */
len = snprintf(buf, 1000, "off-channel qlen: %d\n",
skb_queue_len(&ar->offchan_tx_queue));
ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
mutex_unlock(&ar->conf_mutex);
kfree(buf);
return ret_cnt;
}
static const struct file_operations fops_misc = {
.read = ath10k_read_misc,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t ath10k_read_fwinfo(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath10k *ar = file->private_data;
char *buf;
unsigned int len = 0, buf_len = 1000;
ssize_t ret_cnt;
buf = kzalloc(buf_len, GFP_KERNEL);
if (!buf)
return -ENOMEM;
mutex_lock(&ar->conf_mutex);
len = snprintf(buf, buf_len, "directory: %s\nfirmware: %s\nfwcfg: fwcfg-%s-%s.txt\nbus: %s\nfeatures: ",
ar->hw_params.fw.dir, ar->running_fw->fw_file.fw_name,
ath10k_bus_str(ar->hif.bus), dev_name(ar->dev), dev_name(ar->dev));
ath10k_core_get_fw_features_str(ar, buf + len, buf_len - len);
/* Just to be safe */
buf[buf_len - 1] = 0;
len = strlen(buf);
len += snprintf(buf + len, buf_len - len, "\nversion: %s\nhw_rev: ",
ar->hw->wiphy->fw_version);
switch (ar->hw_rev) {
case ATH10K_HW_QCA988X:
len += snprintf(buf + len, buf_len - len, "988x\n");
break;
case ATH10K_HW_QCA9887:
len += snprintf(buf + len, buf_len - len, "9887\n");
break;
case ATH10K_HW_QCA9888:
len += snprintf(buf + len, buf_len - len, "9888\n");
break;
case ATH10K_HW_WCN3990:
len += snprintf(buf + len, buf_len - len, "3990\n");
break;
case ATH10K_HW_QCA6174:
len += snprintf(buf + len, buf_len - len, "6174\n");
break;
case ATH10K_HW_QCA99X0:
len += snprintf(buf + len, buf_len - len, "99x0\n");
break;
case ATH10K_HW_QCA9984:
len += snprintf(buf + len, buf_len - len, "9984\n");
break;
case ATH10K_HW_QCA9377:
len += snprintf(buf + len, buf_len - len, "9377\n");
break;
case ATH10K_HW_QCA4019:
len += snprintf(buf + len, buf_len - len, "4019\n");
break;
}
len += snprintf(buf + len, buf_len - len, "board: %s\n",
ar->normal_mode_fw.fw_file.fw_board_name);
ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
mutex_unlock(&ar->conf_mutex);
kfree(buf);
return ret_cnt;
}
static const struct file_operations fops_fwinfo_services = {
.read = ath10k_read_fwinfo,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t ath10k_read_peers(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath10k *ar = file->private_data;
char *buf;
unsigned int len = 0, buf_len = 10000;
ssize_t ret_cnt;
struct ath10k_peer *peer;
int q;
buf = kzalloc(buf_len, GFP_KERNEL);
if (!buf)
return -ENOMEM;
mutex_lock(&ar->conf_mutex);
spin_lock_bh(&ar->data_lock);
list_for_each_entry(peer, &ar->peers, list) {
len += snprintf(buf + len, buf_len - len, "%pM vdev-id: %d peer-ids:",
peer->addr, peer->vdev_id);
for (q = 0; q<ATH10K_MAX_NUM_PEER_IDS; q++) {
if (test_bit(q, peer->peer_ids)) {
len += snprintf(buf + len, buf_len - len, " %d", q);
}
}
len += snprintf(buf + len, buf_len - len, "\n");
}
spin_unlock_bh(&ar->data_lock);
ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
mutex_unlock(&ar->conf_mutex);
kfree(buf);
return ret_cnt;
}
static const struct file_operations fops_peers = {
.read = ath10k_read_peers,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static void ath10k_fw_stats_pdevs_free(struct list_head *head)
{
struct ath10k_fw_stats_pdev *i, *tmp;
list_for_each_entry_safe(i, tmp, head, list) {
list_del(&i->list);
kfree(i);
}
}
static void ath10k_fw_stats_vdevs_free(struct list_head *head)
{
struct ath10k_fw_stats_vdev *i, *tmp;
list_for_each_entry_safe(i, tmp, head, list) {
list_del(&i->list);
kfree(i);
}
}
static void ath10k_fw_stats_peers_free(struct list_head *head)
{
struct ath10k_fw_stats_peer *i, *tmp;
list_for_each_entry_safe(i, tmp, head, list) {
list_del(&i->list);
kfree(i);
}
}
static void ath10k_fw_extd_stats_peers_free(struct list_head *head)
{
struct ath10k_fw_extd_stats_peer *i, *tmp;
list_for_each_entry_safe(i, tmp, head, list) {
list_del(&i->list);
kfree(i);
}
}
static void ath10k_debug_fw_stats_reset(struct ath10k *ar)
{
spin_lock_bh(&ar->data_lock);
ar->debug.fw_stats_done = false;
ar->debug.fw_stats.extended = false;
ath10k_fw_stats_pdevs_free(&ar->debug.fw_stats.pdevs);
ath10k_fw_stats_vdevs_free(&ar->debug.fw_stats.vdevs);
ath10k_fw_stats_peers_free(&ar->debug.fw_stats.peers);
ath10k_fw_extd_stats_peers_free(&ar->debug.fw_stats.peers_extd);
spin_unlock_bh(&ar->data_lock);
}
void ath10k_debug_fw_stats_process(struct ath10k *ar, struct sk_buff *skb)
{
struct ath10k_fw_stats stats = {};
bool is_start, is_started, is_end;
size_t num_peers;
size_t num_vdevs;
int ret;
const struct wmi_stats_event *ev = (void *)skb->data;
INIT_LIST_HEAD(&stats.pdevs);
INIT_LIST_HEAD(&stats.vdevs);
INIT_LIST_HEAD(&stats.peers);
INIT_LIST_HEAD(&stats.peers_extd);
spin_lock_bh(&ar->data_lock);
/*ath10k_warn(ar, "fw-stats-process: stats-id: 0x%x(0x%x)\n", ev->stats_id, __le32_to_cpu(ev->stats_id));*/
/* CT Firmware only */
if (__le32_to_cpu(ev->stats_id) == WMI_REQUEST_STAT_CUSTOM) {
__le32* data;
u32 stats_len;
u32 *my_stats = NULL;
u32 my_len = 0;
if ((ar->running_fw->fw_file.wmi_op_version == ATH10K_FW_WMI_OP_VERSION_10_2) ||
(ar->running_fw->fw_file.wmi_op_version == ATH10K_FW_WMI_OP_VERSION_10_4) ||
(ar->running_fw->fw_file.wmi_op_version == ATH10K_FW_WMI_OP_VERSION_10_2_4)) {
const struct wmi_10_2_stats_event *ev2 = (void *)skb->data;
data = (__le32*)(ev2->data);
stats_len = (skb->len - sizeof(*ev2)) / 4;
} else {
/* Must be 10.1 */
data = (__le32*)(ev->data);
stats_len = (skb->len - sizeof(*ev)) / 4;
}
if (ev->num_pdev_stats == WMI_STAT_CUSTOM_RX_REORDER_STATS) {
my_len = sizeof(ar->debug.rx_reorder_stats) / 4;
my_len = min(my_len, stats_len);
my_stats = (u32*)(&(ar->debug.rx_reorder_stats));
}
/* If we know about the stats, handle it here. */
if (my_stats) {
int i;
for (i = 0; i<my_len; i++) {
my_stats[i] = __le32_to_cpu(data[i]);
}
}
ar->debug.fw_stats_done = true;
complete(&ar->debug.fw_stats_complete);
/*ath10k_warn(ar, "Completed stat-custom, my_len: %u\n", my_len);*/
goto free;
}
if (__le32_to_cpu(ev->stats_id) == WMI_REQUEST_REGISTER_DUMP) {
struct ath10k_reg_dump* regdump;
struct ath10k_fw_stats* sptr = &ar->debug.fw_stats;
int i;
if ((ar->running_fw->fw_file.wmi_op_version == ATH10K_FW_WMI_OP_VERSION_10_2) ||
(ar->running_fw->fw_file.wmi_op_version == ATH10K_FW_WMI_OP_VERSION_10_4) ||
(ar->running_fw->fw_file.wmi_op_version == ATH10K_FW_WMI_OP_VERSION_10_2_4)) {
const struct wmi_10_2_stats_event *ev2 = (void *)skb->data;
regdump = (struct ath10k_reg_dump*)(ev2->data);
} else {
/* Must be 10.1 */
regdump = (struct ath10k_reg_dump*)(ev->data);
}
for (i = 0; i < __le16_to_cpu(regdump->count); i++) {
u16 id = __le16_to_cpu(regdump->regpair[i].reg_id);
switch (id) {
case REG_DUMP_NONE:
break;
case MAC_FILTER_ADDR_L32:
sptr->mac_filter_addr_l32 = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case MAC_FILTER_ADDR_U16:
sptr->mac_filter_addr_u16 = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case DCU_SLOT_TIME:
sptr->dcu_slot_time = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case PHY_BB_MODE_SELECT:
sptr->phy_bb_mode_select = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case PCU_BSSID_L32:
sptr->pcu_bssid_l32 = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case PCU_BSSID_U16:
sptr->pcu_bssid_u16 = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case PCU_BSSID2_L32:
sptr->pcu_bssid2_l32 = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case PCU_BSSID2_U16:
sptr->pcu_bssid2_u16 = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case PCU_STA_ADDR_U16:
sptr->pcu_sta_addr_u16 = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case MAC_DMA_CFG:
sptr->mac_dma_cfg = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case MAC_DMA_TXCFG:
sptr->mac_dma_txcfg = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case PCU_STA_ADDR_L32:
sptr->pcu_sta_addr_l32 = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case PCU_RXFILTER:
sptr->pcu_rxfilter = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case PHY_BB_GEN_CONTROLS:
sptr->phy_bb_gen_controls = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case DMA_IMR:
sptr->dma_imr = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case DMA_TXRX_IMR:
sptr->dma_txrx_imr = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case SW_POWERMODE:
sptr->sw_powermode = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case SW_CHAINMASK:
sptr->sw_chainmask_tx = (__le32_to_cpu(regdump->regpair[i].reg_val) >> 16);
sptr->sw_chainmask_rx = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case SW_OPMODE:
sptr->sw_opmode = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case SW_RXFILTER:
sptr->sw_rxfilter = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case SW_LONG_RETRIES:
sptr->long_retries = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case SW_SHORT_RETRIES:
sptr->short_retries = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case ADC_TEMP:
sptr->adc_temp = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case NF_CHAINS:
sptr->nfcal = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
default: {
/* Foward-compat logic */
int max_supported = DBG_REG_DUMP_COUNT + ARRAY_SIZE(sptr->extra_regs);
if (id >= DBG_REG_DUMP_COUNT && id < max_supported) {
sptr->extra_regs[id - DBG_REG_DUMP_COUNT] = regdump->regpair[i].reg_val;
sptr->extras_count = max(sptr->extras_count, (id - DBG_REG_DUMP_COUNT) + 1);
}
//ath10k_warn(ar, "dbg-regs, max-supported: %d id: %d extras-count: %d\n",
// max_supported, id, sptr->extras_count);
} /* default case */
}/* switch */
}
ar->debug.fw_stats_done = true;
complete(&ar->debug.fw_stats_complete);
goto free;
}
ret = ath10k_wmi_pull_fw_stats(ar, skb, &stats);
if (ret) {
ath10k_warn(ar, "failed to pull fw stats: %d\n", ret);
goto free;
}
/* Stat data may exceed htc-wmi buffer limit. In such case firmware
* splits the stats data and delivers it in a ping-pong fashion of
* request cmd-update event.
*
* However there is no explicit end-of-data. Instead start-of-data is
* used as an implicit one. This works as follows:
* a) discard stat update events until one with pdev stats is
* delivered - this skips session started at end of (b)
* b) consume stat update events until another one with pdev stats is
* delivered which is treated as end-of-data and is itself discarded
*/
if (ath10k_peer_stats_enabled(ar))
ath10k_sta_update_rx_duration(ar, &stats);
if (ar->debug.fw_stats_done) {
if (!ath10k_peer_stats_enabled(ar))
ath10k_warn(ar, "received unsolicited stats update event\n");
goto free;
}
num_peers = ath10k_wmi_fw_stats_num_peers(&ar->debug.fw_stats.peers);
num_vdevs = ath10k_wmi_fw_stats_num_vdevs(&ar->debug.fw_stats.vdevs);
is_start = (list_empty(&ar->debug.fw_stats.pdevs) &&
!list_empty(&stats.pdevs));
is_end = (!list_empty(&ar->debug.fw_stats.pdevs) &&
!list_empty(&stats.pdevs));
if (is_start)
list_splice_tail_init(&stats.pdevs, &ar->debug.fw_stats.pdevs);
if (is_end)
ar->debug.fw_stats_done = true;
is_started = !list_empty(&ar->debug.fw_stats.pdevs);
if (is_started && !is_end) {
if (num_peers >= ATH10K_MAX_NUM_PEER_IDS) {
/* Although this is unlikely impose a sane limit to
* prevent firmware from DoS-ing the host.
*/
ath10k_fw_stats_peers_free(&ar->debug.fw_stats.peers);
ath10k_fw_extd_stats_peers_free(&ar->debug.fw_stats.peers_extd);
ath10k_warn(ar, "dropping fw peer stats\n");
goto free;
}
if (num_vdevs >= BITS_PER_LONG) {
ath10k_fw_stats_vdevs_free(&ar->debug.fw_stats.vdevs);
ath10k_warn(ar, "dropping fw vdev stats\n");
goto free;
}
if (!list_empty(&stats.peers))
list_splice_tail_init(&stats.peers_extd,
&ar->debug.fw_stats.peers_extd);
list_splice_tail_init(&stats.peers, &ar->debug.fw_stats.peers);
list_splice_tail_init(&stats.vdevs, &ar->debug.fw_stats.vdevs);
}
complete(&ar->debug.fw_stats_complete);
free:
/* In some cases lists have been spliced and cleared. Free up
* resources if that is not the case.
*/
ath10k_fw_stats_pdevs_free(&stats.pdevs);
ath10k_fw_stats_vdevs_free(&stats.vdevs);
ath10k_fw_stats_peers_free(&stats.peers);
ath10k_fw_extd_stats_peers_free(&stats.peers_extd);
spin_unlock_bh(&ar->data_lock);
}
int ath10k_debug_fw_stats_request(struct ath10k *ar)
{
unsigned long timeout;
int ret;
lockdep_assert_held(&ar->conf_mutex);
timeout = jiffies + msecs_to_jiffies(1 * HZ);
ath10k_debug_fw_stats_reset(ar);
for (;;) {
if (time_after(jiffies, timeout))
return -ETIMEDOUT;
ret = ath10k_refresh_peer_stats(ar);
if (ret)
return ret;
spin_lock_bh(&ar->data_lock);
if (ar->debug.fw_stats_done) {
spin_unlock_bh(&ar->data_lock);
break;
}
spin_unlock_bh(&ar->data_lock);
}
return 0;
}
static int ath10k_fw_stats_open(struct inode *inode, struct file *file)
{
struct ath10k *ar = inode->i_private;
void *buf = NULL;
int ret;
mutex_lock(&ar->conf_mutex);
if (ar->state != ATH10K_STATE_ON) {
ret = -ENETDOWN;
goto err_unlock;
}
buf = vmalloc(ATH10K_FW_STATS_BUF_SIZE);
if (!buf) {
ret = -ENOMEM;
goto err_unlock;
}
ret = ath10k_debug_fw_stats_request(ar);
if (ret) {
ath10k_warn(ar, "failed to request fw stats: %d\n", ret);
goto err_free;
}
ret = ath10k_wmi_fw_stats_fill(ar, &ar->debug.fw_stats, buf);
if (ret) {
ath10k_warn(ar, "failed to fill fw stats: %d\n", ret);
goto err_free;
}
file->private_data = buf;
mutex_unlock(&ar->conf_mutex);
return 0;
err_free:
vfree(buf);
err_unlock:
mutex_unlock(&ar->conf_mutex);
return ret;
}
static int ath10k_fw_stats_release(struct inode *inode, struct file *file)
{
vfree(file->private_data);
return 0;
}
static int ath10k_refresh_peer_stats_t(struct ath10k *ar, u32 type, u32 specifier)
{
int ret;
unsigned long time_left;
/*ath10k_warn(ar, "Requesting stats (type 0x%x specifier %d jiffies: %lu)\n",
type, specifier, jiffies);*/
reinit_completion(&ar->debug.fw_stats_complete);
ret = ath10k_wmi_request_stats(ar, type, specifier);
if (ret) {
ath10k_warn(ar, "could not request stats (type %d ret %d specifier %d)\n",
type, ret, specifier);
return ret;
}
/* ret means 'time-left' here */
time_left =
wait_for_completion_timeout(&ar->debug.fw_stats_complete, 1*HZ);
/* ath10k_warn(ar, "Requested stats (type 0x%x ret %d specifier %d jiffies: %lu time-left: %lu)\n",
type, ret, specifier, jiffies, time_left);*/
if (time_left == 0)
return -ETIMEDOUT;
return 0;
}
int ath10k_refresh_peer_stats(struct ath10k *ar)
{
return ath10k_refresh_peer_stats_t(ar, ar->fw_stats_req_mask, 0);
}
int ath10k_refresh_target_regs(struct ath10k *ar)
{
if (test_bit(ATH10K_FW_FEATURE_REGDUMP_CT,
ar->running_fw->fw_file.fw_features))
return ath10k_refresh_peer_stats_t(ar, WMI_REQUEST_REGISTER_DUMP, 0);
return 0; /* fail silently if firmware does not support this option. */
}
int ath10k_refresh_target_rx_reorder_stats(struct ath10k *ar)
{
if (test_bit(ATH10K_FW_FEATURE_CUST_STATS_CT,
ar->running_fw->fw_file.fw_features))
return ath10k_refresh_peer_stats_t(ar, WMI_REQUEST_STAT_CUSTOM, WMI_STAT_CUSTOM_RX_REORDER_STATS);
return 0; /* fail silently if firmware does not support this option. */
}
static ssize_t ath10k_read_rx_reorder_stats(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath10k *ar = file->private_data;
struct ath10k_rx_reorder_stats *rrs;
char *buf = NULL;
unsigned int len = 0, buf_len = 8000;
ssize_t ret_cnt = 0;
int ret;
mutex_lock(&ar->conf_mutex);
rrs = &ar->debug.rx_reorder_stats;
if (ar->state != ATH10K_STATE_ON)
goto exit;
buf = kzalloc(buf_len, GFP_KERNEL);
if (!buf)
goto exit;
ret = ath10k_refresh_target_rx_reorder_stats(ar);
if (ret)
goto exit;
len += scnprintf(buf + len, buf_len - len, "\n");
len += scnprintf(buf + len, buf_len - len, "%30s\n",
"ath10k RX Reorder Stats");
len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
"=================");
#define PRINT_MY_STATS(a) len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", #a, rrs->a)
/* Non QoS MPDUs received */
PRINT_MY_STATS(deliver_non_qos);
/* MPDUs received in-order */
PRINT_MY_STATS(deliver_in_order);
/* Flush due to reorder timer expired */
PRINT_MY_STATS(deliver_flush_timeout);
/* Flush due to move out of window */
PRINT_MY_STATS(deliver_flush_oow);
/* Flush due to DELBA */
PRINT_MY_STATS(deliver_flush_delba);
/* MPDUs dropped due to FCS error */
PRINT_MY_STATS(fcs_error);
/* MPDUs dropped due to monitor mode non-data packet */
PRINT_MY_STATS(mgmt_ctrl);
/* MPDUs dropped due to invalid peer */
PRINT_MY_STATS(invalid_peer);
/* MPDUs dropped due to duplication (non aggregation) */
PRINT_MY_STATS(dup_non_aggr);
/* MPDUs dropped due to processed before */
PRINT_MY_STATS(dup_past);
/* MPDUs dropped due to duplicate in reorder queue */
PRINT_MY_STATS(dup_in_reorder);
/* Reorder timeout happened */
PRINT_MY_STATS(reorder_timeout);
/* invalid bar ssn */
PRINT_MY_STATS(invalid_bar_ssn);
/* reorder reset due to bar ssn */
PRINT_MY_STATS(ssn_reset);
/* Added by Ben */
PRINT_MY_STATS(frag_invalid_peer);
PRINT_MY_STATS(frag_fcs_error);
PRINT_MY_STATS(frag_ok);
PRINT_MY_STATS(frag_discards);
PRINT_MY_STATS(rx_chatter);
PRINT_MY_STATS(tkip_mic_error);
PRINT_MY_STATS(tkip_decrypt_error);
PRINT_MY_STATS(mpdu_length_error);
PRINT_MY_STATS(non_frag_unicast_ok);
PRINT_MY_STATS(rx_flush_ind); // Flushed these due to timeout, etc.
PRINT_MY_STATS(rx_flush_ie_add); // Flushed these due to timeout, etc
/* Wave-2 specific */
PRINT_MY_STATS(rx_mesh_wrong_dest);
PRINT_MY_STATS(rx_mesh_filter_ra);
PRINT_MY_STATS(rx_mesh_filter_fromds);
PRINT_MY_STATS(rx_mesh_filter_tods);
PRINT_MY_STATS(rx_mesh_filter_nods);
PRINT_MY_STATS(rx_radar_fft_war);
PRINT_MY_STATS(rx_drop_encrypt_required);
PRINT_MY_STATS(rx_mpdu_tid_err);
PRINT_MY_STATS(rx_ba_statemachine_err);
PRINT_MY_STATS(rx_drop_replay);
PRINT_MY_STATS(rx_non_data_drop_no_bufs);
if (len > buf_len)
len = buf_len;
ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
exit:
mutex_unlock(&ar->conf_mutex);
kfree(buf);
return ret_cnt;
}
static ssize_t ath10k_read_fw_regs(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath10k *ar = file->private_data;
struct ath10k_fw_stats *fw_regs;
char *buf = NULL;
unsigned int len = 0, buf_len = 8000;
ssize_t ret_cnt = 0;
int ret;
int i;
fw_regs = &ar->debug.fw_stats;
mutex_lock(&ar->conf_mutex);
if (ar->state != ATH10K_STATE_ON)
goto exit;
buf = kzalloc(buf_len, GFP_KERNEL);
if (!buf)
goto exit;
ret = ath10k_refresh_target_regs(ar);
if (ret)
goto exit;
spin_lock_bh(&ar->data_lock);
len += scnprintf(buf + len, buf_len - len, "\n");
len += scnprintf(buf + len, buf_len - len, "%s (extras-count: %d)\n",
"ath10k Target Register Dump", fw_regs->extras_count);
len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
"=================");
len += scnprintf(buf + len, buf_len - len, "%30s 0x%08x\n",
"MAC-FILTER-ADDR-L32", fw_regs->mac_filter_addr_l32);
len += scnprintf(buf + len, buf_len - len, "%30s 0x%08x\n",
"MAC-FILTER-ADDR-U16", fw_regs->mac_filter_addr_u16);
len += scnprintf(buf + len, buf_len - len, "%30s 0x%08x\n",
"DCU-SLOT-TIME", fw_regs->dcu_slot_time);
len += scnprintf(buf + len, buf_len - len, "%30s 0x%08x\n",
"PHY-MODE-SELECT", fw_regs->phy_bb_mode_select);
len += scnprintf(buf + len, buf_len - len, "%30s 0x%08x\n",
"PHY-BB-GEN-CONTROLS", fw_regs->phy_bb_gen_controls);
len += scnprintf(buf + len, buf_len - len, "%30s 0x%08x\n",
"DMA-IMR", fw_regs->dma_imr);
len += scnprintf(buf + len, buf_len - len, "%30s 0x%08x\n",
"DMA-TXRX-IMR", fw_regs->dma_txrx_imr);
len += scnprintf(buf + len, buf_len - len, "%30s 0x%08x\n",
"PCU-BSSID-L32", fw_regs->pcu_bssid_l32);
len += scnprintf(buf + len, buf_len - len, "%30s 0x%08x\n",
"PCU-BSSID-U16", fw_regs->pcu_bssid_u16);
len += scnprintf(buf + len, buf_len - len, "%30s 0x%08x\n",
"PCU-BSSID2-L32", fw_regs->pcu_bssid2_l32);
len += scnprintf(buf + len, buf_len - len, "%30s 0x%08x\n",
"PCU-BSSID2-U16", fw_regs->pcu_bssid2_u16);
len += scnprintf(buf + len, buf_len - len, "%30s 0x%08x\n",
"PCU-STA-ADDR-L32", fw_regs->pcu_sta_addr_l32);
len += scnprintf(buf + len, buf_len - len, "%30s 0x%08x\n",
"PCU-STA-ADDR-U16", fw_regs->pcu_sta_addr_u16);
len += scnprintf(buf + len, buf_len - len, "%30s 0x%08x\n",
"MAC-DMA-CFG", fw_regs->mac_dma_cfg);
len += scnprintf(buf + len, buf_len - len, "%30s 0x%08x\n",
"MAC-DMA-TXCFG", fw_regs->mac_dma_txcfg);
len += scnprintf(buf + len, buf_len - len, "%30s 0x%08x\n",
"SW-POWERMODE", fw_regs->sw_powermode);
len += scnprintf(buf + len, buf_len - len, "%30s 0x%08x\n",
"SW-CHAINMASK-TX", (u32)(fw_regs->sw_chainmask_tx));
len += scnprintf(buf + len, buf_len - len, "%30s 0x%08x\n",
"SW-CHAINMASK-RX", (u32)(fw_regs->sw_chainmask_rx));
len += scnprintf(buf + len, buf_len - len, "%30s 0x%08x\n",
"SW-OPMODE", fw_regs->sw_opmode);
len += scnprintf(buf + len, buf_len - len, "%30s 0x%08x\n",
"MAC-PCU-RXFILTER", fw_regs->pcu_rxfilter);
len += scnprintf(buf + len, buf_len - len, "%30s 0x%08x\n",
"SW-RXFILTER", fw_regs->sw_rxfilter);
len += scnprintf(buf + len, buf_len - len, "%30s 0x%08x\n",
"SHORT-RETRIES", fw_regs->short_retries);
len += scnprintf(buf + len, buf_len - len, "%30s 0x%08x\n",
"LONG-RETRIES", fw_regs->long_retries);
len += scnprintf(buf + len, buf_len - len, "%30s 0x%08x\n",
"ADC-TEMP", fw_regs->adc_temp);
len += scnprintf(buf + len, buf_len - len, "%30s 0x%08x\n",
"NFCAL-PER-CHAIN", fw_regs->nfcal);
for (i = 0; i<fw_regs->extras_count; i++) {
len += scnprintf(buf + len, buf_len - len, "%26s%04d 0x%08x\n",
"", i + DBG_REG_DUMP_COUNT, fw_regs->extra_regs[i]);
}