summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/ath/ath9k/htc_drv_debug.c
blob: 3035deb7a0cdcd5343c09733942bf0d56e5886a8 (plain)
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
/*
 * Copyright (c) 2010-2011 Atheros Communications Inc.
 *
 * 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 "htc.h"

static ssize_t read_file_tgt_int_stats(struct file *file, char __user *user_buf,
				       size_t count, loff_t *ppos)
{
	struct ath9k_htc_priv *priv = file->private_data;
	struct ath9k_htc_target_int_stats cmd_rsp;
	char buf[512];
	unsigned int len = 0;
	int ret = 0;

	memset(&cmd_rsp, 0, sizeof(cmd_rsp));

	ath9k_htc_ps_wakeup(priv);

	WMI_CMD(WMI_INT_STATS_CMDID);
	if (ret) {
		ath9k_htc_ps_restore(priv);
		return -EINVAL;
	}

	ath9k_htc_ps_restore(priv);

	len += snprintf(buf + len, sizeof(buf) - len,
			"%20s : %10u\n", "RX",
			be32_to_cpu(cmd_rsp.rx));

	len += snprintf(buf + len, sizeof(buf) - len,
			"%20s : %10u\n", "RXORN",
			be32_to_cpu(cmd_rsp.rxorn));

	len += snprintf(buf + len, sizeof(buf) - len,
			"%20s : %10u\n", "RXEOL",
			be32_to_cpu(cmd_rsp.rxeol));

	len += snprintf(buf + len, sizeof(buf) - len,
			"%20s : %10u\n", "TXURN",
			be32_to_cpu(cmd_rsp.txurn));

	len += snprintf(buf + len, sizeof(buf) - len,
			"%20s : %10u\n", "TXTO",
			be32_to_cpu(cmd_rsp.txto));

	len += snprintf(buf + len, sizeof(buf) - len,
			"%20s : %10u\n", "CST",
			be32_to_cpu(cmd_rsp.cst));

	if (len > sizeof(buf))
		len = sizeof(buf);

	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}

static const struct file_operations fops_tgt_int_stats = {
	.read = read_file_tgt_int_stats,
	.open = simple_open,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};

static ssize_t read_file_tgt_tx_stats(struct file *file, char __user *user_buf,
				      size_t count, loff_t *ppos)
{
	struct ath9k_htc_priv *priv = file->private_data;
	struct ath9k_htc_target_tx_stats cmd_rsp;
	char buf[512];
	unsigned int len = 0;
	int ret = 0;

	memset(&cmd_rsp, 0, sizeof(cmd_rsp));

	ath9k_htc_ps_wakeup(priv);

	WMI_CMD(WMI_TX_STATS_CMDID);
	if (ret) {
		ath9k_htc_ps_restore(priv);
		return -EINVAL;
	}

	ath9k_htc_ps_restore(priv);

	len += snprintf(buf + len, sizeof(buf) - len,
			"%20s : %10u\n", "Xretries",
			be32_to_cpu(cmd_rsp.xretries));

	len += snprintf(buf + len, sizeof(buf) - len,
			"%20s : %10u\n", "FifoErr",
			be32_to_cpu(cmd_rsp.fifoerr));

	len += snprintf(buf + len, sizeof(buf) - len,
			"%20s : %10u\n", "Filtered",
			be32_to_cpu(cmd_rsp.filtered));

	len += snprintf(buf + len, sizeof(buf) - len,
			"%20s : %10u\n", "TimerExp",
			be32_to_cpu(cmd_rsp.timer_exp));

	len += snprintf(buf + len, sizeof(buf) - len,
			"%20s : %10u\n", "ShortRetries",
			be32_to_cpu(cmd_rsp.shortretries));

	len += snprintf(buf + len, sizeof(buf) - len,
			"%20s : %10u\n", "LongRetries",
			be32_to_cpu(cmd_rsp.longretries));

	len += snprintf(buf + len, sizeof(buf) - len,
			"%20s : %10u\n", "QueueNull",
			be32_to_cpu(cmd_rsp.qnull));

	len += snprintf(buf + len, sizeof(buf) - len,
			"%20s : %10u\n", "EncapFail",
			be32_to_cpu(cmd_rsp.encap_fail));

	len += snprintf(buf + len, sizeof(buf) - len,
			"%20s : %10u\n", "NoBuf",
			be32_to_cpu(cmd_rsp.nobuf));

	if (len > sizeof(buf))
		len = sizeof(buf);

	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}

static const struct file_operations fops_tgt_tx_stats = {
	.read = read_file_tgt_tx_stats,
	.open = simple_open,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};

static ssize_t read_file_tgt_rx_stats(struct file *file, char __user *user_buf,
				      size_t count, loff_t *ppos)
{
	struct ath9k_htc_priv *priv = file->private_data;
	struct ath9k_htc_target_rx_stats cmd_rsp;
	char buf[512];
	unsigned int len = 0;
	int ret = 0;

	memset(&cmd_rsp, 0, sizeof(cmd_rsp));

	ath9k_htc_ps_wakeup(priv);

	WMI_CMD(WMI_RX_STATS_CMDID);
	if (ret) {
		ath9k_htc_ps_restore(priv);
		return -EINVAL;
	}

	ath9k_htc_ps_restore(priv);

	len += snprintf(buf + len, sizeof(buf) - len,
			"%20s : %10u\n", "NoBuf",
			be32_to_cpu(cmd_rsp.nobuf));

	len += snprintf(buf + len, sizeof(buf) - len,
			"%20s : %10u\n", "HostSend",
			be32_to_cpu(cmd_rsp.host_send));

	len += snprintf(buf + len, sizeof(buf) - len,
			"%20s : %10u\n", "HostDone",
			be32_to_cpu(cmd_rsp.host_done));

	if (len > sizeof(buf))
		len = sizeof(buf);

	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}

static const struct file_operations fops_tgt_rx_stats = {
	.read = read_file_tgt_rx_stats,
	.open = simple_open,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};

static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
			      size_t count, loff_t *ppos)
{
	struct ath9k_htc_priv *priv = file->private_data;
	char buf[512];
	unsigned int len = 0;

	len += snprintf(buf + len, sizeof(buf) - len,
			"%20s : %10u\n", "Buffers queued",
			priv->debug.tx_stats.buf_queued);
	len += snprintf(buf + len, sizeof(buf) - len,
			"%20s : %10u\n", "Buffers completed",
			priv->debug.tx_stats.buf_completed);
	len += snprintf(buf + len, sizeof(buf) - len,
			"%20s : %10u\n", "SKBs queued",
			priv->debug.tx_stats.skb_queued);
	len += snprintf(buf + len, sizeof(buf) - len,
			"%20s : %10u\n", "SKBs success",
			priv->debug.tx_stats.skb_success);
	len += snprintf(buf + len, sizeof(buf) - len,
			"%20s : %10u\n", "SKBs failed",
			priv->debug.tx_stats.skb_failed);
	len += snprintf(buf + len, sizeof(buf) - len,
			"%20s : %10u\n", "CAB queued",
			priv->debug.tx_stats.cab_queued);

	len += snprintf(buf + len, sizeof(buf) - len,
			"%20s : %10u\n", "BE queued",
			priv->debug.tx_stats.queue_stats[WME_AC_BE]);
	len += snprintf(buf + len, sizeof(buf) - len,
			"%20s : %10u\n", "BK queued",
			priv->debug.tx_stats.queue_stats[WME_AC_BK]);
	len += snprintf(buf + len, sizeof(buf) - len,
			"%20s : %10u\n", "VI queued",
			priv->debug.tx_stats.queue_stats[WME_AC_VI]);
	len += snprintf(buf + len, sizeof(buf) - len,
			"%20s : %10u\n", "VO queued",
			priv->debug.tx_stats.queue_stats[WME_AC_VO]);

	if (len > sizeof(buf))
		len = sizeof(buf);

	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}

static const struct file_operations fops_xmit = {
	.read = read_file_xmit,
	.open = simple_open,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};

void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv,
			   struct ath_htc_rx_status *rxs)
{
#define RX_PHY_ERR_INC(c) priv->debug.rx_stats.err_phy_stats[c]++

	if (rxs->rs_status & ATH9K_RXERR_CRC)
		priv->debug.rx_stats.err_crc++;
	if (rxs->rs_status & ATH9K_RXERR_DECRYPT)
		priv->debug.rx_stats.err_decrypt_crc++;
	if (rxs->rs_status & ATH9K_RXERR_MIC)
		priv->debug.rx_stats.err_mic++;
	if (rxs->rs_status & ATH9K_RX_DELIM_CRC_PRE)
		priv->debug.rx_stats.err_pre_delim++;
	if (rxs->rs_status & ATH9K_RX_DELIM_CRC_POST)
		priv->debug.rx_stats.err_post_delim++;
	if (rxs->rs_status & ATH9K_RX_DECRYPT_BUSY)
		priv->debug.rx_stats.err_decrypt_busy++;

	if (rxs->rs_status & ATH9K_RXERR_PHY) {
		priv->debug.rx_stats.err_phy++;
		if (rxs->rs_phyerr < ATH9K_PHYERR_MAX)
			RX_PHY_ERR_INC(rxs->rs_phyerr);
	}

#undef RX_PHY_ERR_INC
}

static ssize_t read_file_recv(struct file *file, char __user *user_buf,
			      size_t count, loff_t *ppos)
{
#define PHY_ERR(s, p)							\
	len += snprintf(buf + len, size - len, "%20s : %10u\n", s,	\
			priv->debug.rx_stats.err_phy_stats[p]);

	struct ath9k_htc_priv *priv = file->private_data;
	char *buf;
	unsigned int len = 0, size = 1500;
	ssize_t retval = 0;

	buf = kzalloc(size, GFP_KERNEL);
	if (buf == NULL)
		return -ENOMEM;

	len += snprintf(buf + len, size - len,
			"%20s : %10u\n", "SKBs allocated",
			priv->debug.rx_stats.skb_allocated);
	len += snprintf(buf + len, size - len,
			"%20s : %10u\n", "SKBs completed",
			priv->debug.rx_stats.skb_completed);
	len += snprintf(buf + len, size - len,
			"%20s : %10u\n", "SKBs Dropped",
			priv->debug.rx_stats.skb_dropped);

	len += snprintf(buf + len, size - len,
			"%20s : %10u\n", "CRC ERR",
			priv->debug.rx_stats.err_crc);
	len += snprintf(buf + len, size - len,
			"%20s : %10u\n", "DECRYPT CRC ERR",
			priv->debug.rx_stats.err_decrypt_crc);
	len += snprintf(buf + len, size - len,
			"%20s : %10u\n", "MIC ERR",
			priv->debug.rx_stats.err_mic);
	len += snprintf(buf + len, size - len,
			"%20s : %10u\n", "PRE-DELIM CRC ERR",
			priv->debug.rx_stats.err_pre_delim);
	len += snprintf(buf + len, size - len,
			"%20s : %10u\n", "POST-DELIM CRC ERR",
			priv->debug.rx_stats.err_post_delim);
	len += snprintf(buf + len, size - len,
			"%20s : %10u\n", "DECRYPT BUSY ERR",
			priv->debug.rx_stats.err_decrypt_busy);
	len += snprintf(buf + len, size - len,
			"%20s : %10u\n", "TOTAL PHY ERR",
			priv->debug.rx_stats.err_phy);


	PHY_ERR("UNDERRUN", ATH9K_PHYERR_UNDERRUN);
	PHY_ERR("TIMING", ATH9K_PHYERR_TIMING);
	PHY_ERR("PARITY", ATH9K_PHYERR_PARITY);
	PHY_ERR("RATE", ATH9K_PHYERR_RATE);
	PHY_ERR("LENGTH", ATH9K_PHYERR_LENGTH);
	PHY_ERR("RADAR", ATH9K_PHYERR_RADAR);
	PHY_ERR("SERVICE", ATH9K_PHYERR_SERVICE);
	PHY_ERR("TOR", ATH9K_PHYERR_TOR);
	PHY_ERR("OFDM-TIMING", ATH9K_PHYERR_OFDM_TIMING);
	PHY_ERR("OFDM-SIGNAL-PARITY", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
	PHY_ERR("OFDM-RATE", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
	PHY_ERR("OFDM-LENGTH", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
	PHY_ERR("OFDM-POWER-DROP", ATH9K_PHYERR_OFDM_POWER_DROP);
	PHY_ERR("OFDM-SERVICE", ATH9K_PHYERR_OFDM_SERVICE);
	PHY_ERR("OFDM-RESTART", ATH9K_PHYERR_OFDM_RESTART);
	PHY_ERR("FALSE-RADAR-EXT", ATH9K_PHYERR_FALSE_RADAR_EXT);
	PHY_ERR("CCK-TIMING", ATH9K_PHYERR_CCK_TIMING);
	PHY_ERR("CCK-HEADER-CRC", ATH9K_PHYERR_CCK_HEADER_CRC);
	PHY_ERR("CCK-RATE", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
	PHY_ERR("CCK-SERVICE", ATH9K_PHYERR_CCK_SERVICE);
	PHY_ERR("CCK-RESTART", ATH9K_PHYERR_CCK_RESTART);
	PHY_ERR("CCK-LENGTH", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
	PHY_ERR("CCK-POWER-DROP", ATH9K_PHYERR_CCK_POWER_DROP);
	PHY_ERR("HT-CRC", ATH9K_PHYERR_HT_CRC_ERROR);
	PHY_ERR("HT-LENGTH", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
	PHY_ERR("HT-RATE", ATH9K_PHYERR_HT_RATE_ILLEGAL);

	if (len > size)
		len = size;

	retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
	kfree(buf);

	return retval;

#undef PHY_ERR
}

static const struct file_operations fops_recv = {
	.read = read_file_recv,
	.open = simple_open,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};

static ssize_t read_file_slot(struct file *file, char __user *user_buf,
			      size_t count, loff_t *ppos)
{
	struct ath9k_htc_priv *priv = file->private_data;
	char buf[512];
	unsigned int len = 0;

	spin_lock_bh(&priv->tx.tx_lock);

	len += snprintf(buf + len, sizeof(buf) - len, "TX slot bitmap : ");

	len += bitmap_scnprintf(buf + len, sizeof(buf) - len,
			       priv->tx.tx_slot, MAX_TX_BUF_NUM);

	len += snprintf(buf + len, sizeof(buf) - len, "\n");

	len += snprintf(buf + len, sizeof(buf) - len,
			"Used slots     : %d\n",
			bitmap_weight(priv->tx.tx_slot, MAX_TX_BUF_NUM));

	spin_unlock_bh(&priv->tx.tx_lock);

	if (len > sizeof(buf))
		len = sizeof(buf);

	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}

static const struct file_operations fops_slot = {
	.read = read_file_slot,
	.open = simple_open,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};

static ssize_t read_file_queue(struct file *file, char __user *user_buf,
			       size_t count, loff_t *ppos)
{
	struct ath9k_htc_priv *priv = file->private_data;
	char buf[512];
	unsigned int len = 0;

	len += snprintf(buf + len, sizeof(buf) - len, "%20s : %10u\n",
			"Mgmt endpoint", skb_queue_len(&priv->tx.mgmt_ep_queue));

	len += snprintf(buf + len, sizeof(buf) - len, "%20s : %10u\n",
			"Cab endpoint", skb_queue_len(&priv->tx.cab_ep_queue));

	len += snprintf(buf + len, sizeof(buf) - len, "%20s : %10u\n",
			"Data BE endpoint", skb_queue_len(&priv->tx.data_be_queue));

	len += snprintf(buf + len, sizeof(buf) - len, "%20s : %10u\n",
			"Data BK endpoint", skb_queue_len(&priv->tx.data_bk_queue));

	len += snprintf(buf + len, sizeof(buf) - len, "%20s : %10u\n",
			"Data VI endpoint", skb_queue_len(&priv->tx.data_vi_queue));

	len += snprintf(buf + len, sizeof(buf) - len, "%20s : %10u\n",
			"Data VO endpoint", skb_queue_len(&priv->tx.data_vo_queue));

	len += snprintf(buf + len, sizeof(buf) - len, "%20s : %10u\n",
			"Failed queue", skb_queue_len(&priv->tx.tx_failed));

	spin_lock_bh(&priv->tx.tx_lock);
	len += snprintf(buf + len, sizeof(buf) - len, "%20s : %10u\n",
			"Queued count", priv->tx.queued_cnt);
	spin_unlock_bh(&priv->tx.tx_lock);

	if (len > sizeof(buf))
		len = sizeof(buf);

	return simple_read_from_buffer(user_buf, count, ppos, buf, len);

}

static const struct file_operations fops_queue = {
	.read = read_file_queue,
	.open = simple_open,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};

static ssize_t read_file_debug(struct file *file, char __user *user_buf,
			       size_t count, loff_t *ppos)
{
	struct ath9k_htc_priv *priv = file->private_data;
	struct ath_common *common = ath9k_hw_common(priv->ah);
	char buf[32];
	unsigned int len;

	len = sprintf(buf, "0x%08x\n", common->debug_mask);
	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}

static ssize_t write_file_debug(struct file *file, const char __user *user_buf,
				size_t count, loff_t *ppos)
{
	struct ath9k_htc_priv *priv = file->private_data;
	struct ath_common *common = ath9k_hw_common(priv->ah);
	unsigned long mask;
	char buf[32];
	ssize_t len;

	len = min(count, sizeof(buf) - 1);
	if (copy_from_user(buf, user_buf, len))
		return -EFAULT;

	buf[len] = '\0';
	if (strict_strtoul(buf, 0, &mask))
		return -EINVAL;

	common->debug_mask = mask;
	return count;
}

static const struct file_operations fops_debug = {
	.read = read_file_debug,
	.write = write_file_debug,
	.open = simple_open,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};

static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf,
				     size_t count, loff_t *ppos)
{
	struct ath9k_htc_priv *priv = file->private_data;
	struct ath_common *common = ath9k_hw_common(priv->ah);
	struct base_eep_header *pBase = NULL;
	unsigned int len = 0, size = 1500;
	ssize_t retval = 0;
	char *buf;

	/*
	 * This can be done since all the 3 EEPROM families have the
	 * same base header upto a certain point, and we are interested in
	 * the data only upto that point.
	 */

	if (AR_SREV_9271(priv->ah))
		pBase = (struct base_eep_header *)
			&priv->ah->eeprom.map4k.baseEepHeader;
	else if (priv->ah->hw_version.usbdev == AR9280_USB)
		pBase = (struct base_eep_header *)
			&priv->ah->eeprom.def.baseEepHeader;
	else if (priv->ah->hw_version.usbdev == AR9287_USB)
		pBase = (struct base_eep_header *)
			&priv->ah->eeprom.map9287.baseEepHeader;

	if (pBase == NULL) {
		ath_err(common, "Unknown EEPROM type\n");
		return 0;
	}

	buf = kzalloc(size, GFP_KERNEL);
	if (buf == NULL)
		return -ENOMEM;

	len += snprintf(buf + len, size - len,
			"%20s : %10d\n", "Major Version",
			pBase->version >> 12);
	len += snprintf(buf + len, size - len,
			"%20s : %10d\n", "Minor Version",
			pBase->version & 0xFFF);
	len += snprintf(buf + len, size - len,
			"%20s : %10d\n", "Checksum",
			pBase->checksum);
	len += snprintf(buf + len, size - len,
			"%20s : %10d\n", "Length",
			pBase->length);
	len += snprintf(buf + len, size - len,
			"%20s : %10d\n", "RegDomain1",
			pBase->regDmn[0]);
	len += snprintf(buf + len, size - len,
			"%20s : %10d\n", "RegDomain2",
			pBase->regDmn[1]);
	len += snprintf(buf + len, size - len,
			"%20s : %10d\n",
			"TX Mask", pBase->txMask);
	len += snprintf(buf + len, size - len,
			"%20s : %10d\n",
			"RX Mask", pBase->rxMask);
	len += snprintf(buf + len, size - len,
			"%20s : %10d\n",
			"Allow 5GHz",
			!!(pBase->opCapFlags & AR5416_OPFLAGS_11A));
	len += snprintf(buf + len, size - len,
			"%20s : %10d\n",
			"Allow 2GHz",
			!!(pBase->opCapFlags & AR5416_OPFLAGS_11G));
	len += snprintf(buf + len, size - len,
			"%20s : %10d\n",
			"Disable 2GHz HT20",
			!!(pBase->opCapFlags & AR5416_OPFLAGS_N_2G_HT20));
	len += snprintf(buf + len, size - len,
			"%20s : %10d\n",
			"Disable 2GHz HT40",
			!!(pBase->opCapFlags & AR5416_OPFLAGS_N_2G_HT40));
	len += snprintf(buf + len, size - len,
			"%20s : %10d\n",
			"Disable 5Ghz HT20",
			!!(pBase->opCapFlags & AR5416_OPFLAGS_N_5G_HT20));
	len += snprintf(buf + len, size - len,
			"%20s : %10d\n",
			"Disable 5Ghz HT40",
			!!(pBase->opCapFlags & AR5416_OPFLAGS_N_5G_HT40));
	len += snprintf(buf + len, size - len,
			"%20s : %10d\n",
			"Big Endian",
			!!(pBase->eepMisc & 0x01));
	len += snprintf(buf + len, size - len,
			"%20s : %10d\n",
			"Cal Bin Major Ver",
			(pBase->binBuildNumber >> 24) & 0xFF);
	len += snprintf(buf + len, size - len,
			"%20s : %10d\n",
			"Cal Bin Minor Ver",
			(pBase->binBuildNumber >> 16) & 0xFF);
	len += snprintf(buf + len, size - len,
			"%20s : %10d\n",
			"Cal Bin Build",
			(pBase->binBuildNumber >> 8) & 0xFF);

	/*
	 * UB91 specific data.
	 */
	if (AR_SREV_9271(priv->ah)) {
		struct base_eep_header_4k *pBase4k =
			&priv->ah->eeprom.map4k.baseEepHeader;

		len += snprintf(buf + len, size - len,
				"%20s : %10d\n",
				"TX Gain type",
				pBase4k->txGainType);
	}

	/*
	 * UB95 specific data.
	 */
	if (priv->ah->hw_version.usbdev == AR9287_USB) {
		struct base_eep_ar9287_header *pBase9287 =
			&priv->ah->eeprom.map9287.baseEepHeader;

		len += snprintf(buf + len, size - len,
				"%20s : %10ddB\n",
				"Power Table Offset",
				pBase9287->pwrTableOffset);

		len += snprintf(buf + len, size - len,
				"%20s : %10d\n",
				"OpenLoop Power Ctrl",
				pBase9287->openLoopPwrCntl);
	}

	len += snprintf(buf + len, size - len, "%20s : %pM\n", "MacAddress",
			pBase->macAddr);
	if (len > size)
		len = size;

	retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
	kfree(buf);

	return retval;
}

static const struct file_operations fops_base_eeprom = {
	.read = read_file_base_eeprom,
	.open = simple_open,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};

static ssize_t read_4k_modal_eeprom(struct file *file,
				    char __user *user_buf,
				    size_t count, loff_t *ppos)
{
#define PR_EEP(_s, _val)						\
	do {								\
		len += snprintf(buf + len, size - len, "%20s : %10d\n",	\
				_s, (_val));				\
	} while (0)

	struct ath9k_htc_priv *priv = file->private_data;
	struct modal_eep_4k_header *pModal = &priv->ah->eeprom.map4k.modalHeader;
	unsigned int len = 0, size = 2048;
	ssize_t retval = 0;
	char *buf;

	buf = kzalloc(size, GFP_KERNEL);
	if (buf == NULL)
		return -ENOMEM;

	PR_EEP("Chain0 Ant. Control", pModal->antCtrlChain[0]);
	PR_EEP("Ant. Common Control", pModal->antCtrlCommon);
	PR_EEP("Chain0 Ant. Gain", pModal->antennaGainCh[0]);
	PR_EEP("Switch Settle", pModal->switchSettling);
	PR_EEP("Chain0 TxRxAtten", pModal->txRxAttenCh[0]);
	PR_EEP("Chain0 RxTxMargin", pModal->rxTxMarginCh[0]);
	PR_EEP("ADC Desired size", pModal->adcDesiredSize);
	PR_EEP("PGA Desired size", pModal->pgaDesiredSize);
	PR_EEP("Chain0 xlna Gain", pModal->xlnaGainCh[0]);
	PR_EEP("txEndToXpaOff", pModal->txEndToXpaOff);
	PR_EEP("txEndToRxOn", pModal->txEndToRxOn);
	PR_EEP("txFrameToXpaOn", pModal->txFrameToXpaOn);
	PR_EEP("CCA Threshold)", pModal->thresh62);
	PR_EEP("Chain0 NF Threshold", pModal->noiseFloorThreshCh[0]);
	PR_EEP("xpdGain", pModal->xpdGain);
	PR_EEP("External PD", pModal->xpd);
	PR_EEP("Chain0 I Coefficient", pModal->iqCalICh[0]);
	PR_EEP("Chain0 Q Coefficient", pModal->iqCalQCh[0]);
	PR_EEP("pdGainOverlap", pModal->pdGainOverlap);
	PR_EEP("O/D Bias Version", pModal->version);
	PR_EEP("CCK OutputBias", pModal->ob_0);
	PR_EEP("BPSK OutputBias", pModal->ob_1);
	PR_EEP("QPSK OutputBias", pModal->ob_2);
	PR_EEP("16QAM OutputBias", pModal->ob_3);
	PR_EEP("64QAM OutputBias", pModal->ob_4);
	PR_EEP("CCK Driver1_Bias", pModal->db1_0);
	PR_EEP("BPSK Driver1_Bias", pModal->db1_1);
	PR_EEP("QPSK Driver1_Bias", pModal->db1_2);
	PR_EEP("16QAM Driver1_Bias", pModal->db1_3);
	PR_EEP("64QAM Driver1_Bias", pModal->db1_4);
	PR_EEP("CCK Driver2_Bias", pModal->db2_0);
	PR_EEP("BPSK Driver2_Bias", pModal->db2_1);
	PR_EEP("QPSK Driver2_Bias", pModal->db2_2);
	PR_EEP("16QAM Driver2_Bias", pModal->db2_3);
	PR_EEP("64QAM Driver2_Bias", pModal->db2_4);
	PR_EEP("xPA Bias Level", pModal->xpaBiasLvl);
	PR_EEP("txFrameToDataStart", pModal->txFrameToDataStart);
	PR_EEP("txFrameToPaOn", pModal->txFrameToPaOn);
	PR_EEP("HT40 Power Inc.", pModal->ht40PowerIncForPdadc);
	PR_EEP("Chain0 bswAtten", pModal->bswAtten[0]);
	PR_EEP("Chain0 bswMargin", pModal->bswMargin[0]);
	PR_EEP("HT40 Switch Settle", pModal->swSettleHt40);
	PR_EEP("Chain0 xatten2Db", pModal->xatten2Db[0]);
	PR_EEP("Chain0 xatten2Margin", pModal->xatten2Margin[0]);
	PR_EEP("Ant. Diversity ctl1", pModal->antdiv_ctl1);
	PR_EEP("Ant. Diversity ctl2", pModal->antdiv_ctl2);
	PR_EEP("TX Diversity", pModal->tx_diversity);

	if (len > size)
		len = size;

	retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
	kfree(buf);

	return retval;

#undef PR_EEP
}

static ssize_t read_def_modal_eeprom(struct file *file,
				     char __user *user_buf,
				     size_t count, loff_t *ppos)
{
#define PR_EEP(_s, _val)						\
	do {								\
		if (pBase->opCapFlags & AR5416_OPFLAGS_11G) {		\
			pModal = &priv->ah->eeprom.def.modalHeader[1];	\
			len += snprintf(buf + len, size - len, "%20s : %8d%7s", \
					_s, (_val), "|");		\
		}							\
		if (pBase->opCapFlags & AR5416_OPFLAGS_11A) {		\
			pModal = &priv->ah->eeprom.def.modalHeader[0];	\
			len += snprintf(buf + len, size - len, "%9d\n", \
					(_val));			\
		}							\
	} while (0)

	struct ath9k_htc_priv *priv = file->private_data;
	struct base_eep_header *pBase = &priv->ah->eeprom.def.baseEepHeader;
	struct modal_eep_header *pModal = NULL;
	unsigned int len = 0, size = 3500;
	ssize_t retval = 0;
	char *buf;

	buf = kzalloc(size, GFP_KERNEL);
	if (buf == NULL)
		return -ENOMEM;

	len += snprintf(buf + len, size - len,
			"%31s %15s\n", "2G", "5G");
	len += snprintf(buf + len, size - len,
			"%32s %16s\n", "====", "====\n");

	PR_EEP("Chain0 Ant. Control", pModal->antCtrlChain[0]);
	PR_EEP("Chain1 Ant. Control", pModal->antCtrlChain[1]);
	PR_EEP("Chain2 Ant. Control", pModal->antCtrlChain[2]);
	PR_EEP("Ant. Common Control", pModal->antCtrlCommon);
	PR_EEP("Chain0 Ant. Gain", pModal->antennaGainCh[0]);
	PR_EEP("Chain1 Ant. Gain", pModal->antennaGainCh[1]);
	PR_EEP("Chain2 Ant. Gain", pModal->antennaGainCh[2]);
	PR_EEP("Switch Settle", pModal->switchSettling);
	PR_EEP("Chain0 TxRxAtten", pModal->txRxAttenCh[0]);
	PR_EEP("Chain1 TxRxAtten", pModal->txRxAttenCh[1]);
	PR_EEP("Chain2 TxRxAtten", pModal->txRxAttenCh[2]);
	PR_EEP("Chain0 RxTxMargin", pModal->rxTxMarginCh[0]);
	PR_EEP("Chain1 RxTxMargin", pModal->rxTxMarginCh[1]);
	PR_EEP("Chain2 RxTxMargin", pModal->rxTxMarginCh[2]);
	PR_EEP("ADC Desired size", pModal->adcDesiredSize);
	PR_EEP("PGA Desired size", pModal->pgaDesiredSize);
	PR_EEP("Chain0 xlna Gain", pModal->xlnaGainCh[0]);
	PR_EEP("Chain1 xlna Gain", pModal->xlnaGainCh[1]);
	PR_EEP("Chain2 xlna Gain", pModal->xlnaGainCh[2]);
	PR_EEP("txEndToXpaOff", pModal->txEndToXpaOff);
	PR_EEP("txEndToRxOn", pModal->txEndToRxOn);
	PR_EEP("txFrameToXpaOn", pModal->txFrameToXpaOn);
	PR_EEP("CCA Threshold)", pModal->thresh62);
	PR_EEP("Chain0 NF Threshold", pModal->noiseFloorThreshCh[0]);
	PR_EEP("Chain1 NF Threshold", pModal->noiseFloorThreshCh[1]);
	PR_EEP("Chain2 NF Threshold", pModal->noiseFloorThreshCh[2]);
	PR_EEP("xpdGain", pModal->xpdGain);
	PR_EEP("External PD", pModal->xpd);
	PR_EEP("Chain0 I Coefficient", pModal->iqCalICh[0]);
	PR_EEP("Chain1 I Coefficient", pModal->iqCalICh[1]);
	PR_EEP("Chain2 I Coefficient", pModal->iqCalICh[2]);
	PR_EEP("Chain0 Q Coefficient", pModal->iqCalQCh[0]);
	PR_EEP("Chain1 Q Coefficient", pModal->iqCalQCh[1]);
	PR_EEP("Chain2 Q Coefficient", pModal->iqCalQCh[2]);
	PR_EEP("pdGainOverlap", pModal->pdGainOverlap);
	PR_EEP("Chain0 OutputBias", pModal->ob);
	PR_EEP("Chain0 DriverBias", pModal->db);
	PR_EEP("xPA Bias Level", pModal->xpaBiasLvl);
	PR_EEP("2chain pwr decrease", pModal->pwrDecreaseFor2Chain);
	PR_EEP("3chain pwr decrease", pModal->pwrDecreaseFor3Chain);
	PR_EEP("txFrameToDataStart", pModal->txFrameToDataStart);
	PR_EEP("txFrameToPaOn", pModal->txFrameToPaOn);
	PR_EEP("HT40 Power Inc.", pModal->ht40PowerIncForPdadc);
	PR_EEP("Chain0 bswAtten", pModal->bswAtten[0]);
	PR_EEP("Chain1 bswAtten", pModal->bswAtten[1]);
	PR_EEP("Chain2 bswAtten", pModal->bswAtten[2]);
	PR_EEP("Chain0 bswMargin", pModal->bswMargin[0]);
	PR_EEP("Chain1 bswMargin", pModal->bswMargin[1]);
	PR_EEP("Chain2 bswMargin", pModal->bswMargin[2]);
	PR_EEP("HT40 Switch Settle", pModal->swSettleHt40);
	PR_EEP("Chain0 xatten2Db", pModal->xatten2Db[0]);
	PR_EEP("Chain1 xatten2Db", pModal->xatten2Db[1]);
	PR_EEP("Chain2 xatten2Db", pModal->xatten2Db[2]);
	PR_EEP("Chain0 xatten2Margin", pModal->xatten2Margin[0]);
	PR_EEP("Chain1 xatten2Margin", pModal->xatten2Margin[1]);
	PR_EEP("Chain2 xatten2Margin", pModal->xatten2Margin[2]);
	PR_EEP("Chain1 OutputBias", pModal->ob_ch1);
	PR_EEP("Chain1 DriverBias", pModal->db_ch1);
	PR_EEP("LNA Control", pModal->lna_ctl);
	PR_EEP("XPA Bias Freq0", pModal->xpaBiasLvlFreq[0]);
	PR_EEP("XPA Bias Freq1", pModal->xpaBiasLvlFreq[1]);
	PR_EEP("XPA Bias Freq2", pModal->xpaBiasLvlFreq[2]);

	if (len > size)
		len = size;

	retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
	kfree(buf);

	return retval;

#undef PR_EEP
}

static ssize_t read_9287_modal_eeprom(struct file *file,
				      char __user *user_buf,
				      size_t count, loff_t *ppos)
{
#define PR_EEP(_s, _val)						\
	do {								\
		len += snprintf(buf + len, size - len, "%20s : %10d\n",	\
				_s, (_val));				\
	} while (0)

	struct ath9k_htc_priv *priv = file->private_data;
	struct modal_eep_ar9287_header *pModal = &priv->ah->eeprom.map9287.modalHeader;
	unsigned int len = 0, size = 3000;
	ssize_t retval = 0;
	char *buf;

	buf = kzalloc(size, GFP_KERNEL);
	if (buf == NULL)
		return -ENOMEM;

	PR_EEP("Chain0 Ant. Control", pModal->antCtrlChain[0]);
	PR_EEP("Chain1 Ant. Control", pModal->antCtrlChain[1]);
	PR_EEP("Ant. Common Control", pModal->antCtrlCommon);
	PR_EEP("Chain0 Ant. Gain", pModal->antennaGainCh[0]);
	PR_EEP("Chain1 Ant. Gain", pModal->antennaGainCh[1]);
	PR_EEP("Switch Settle", pModal->switchSettling);
	PR_EEP("Chain0 TxRxAtten", pModal->txRxAttenCh[0]);
	PR_EEP("Chain1 TxRxAtten", pModal->txRxAttenCh[1]);
	PR_EEP("Chain0 RxTxMargin", pModal->rxTxMarginCh[0]);
	PR_EEP("Chain1 RxTxMargin", pModal->rxTxMarginCh[1]);
	PR_EEP("ADC Desired size", pModal->adcDesiredSize);
	PR_EEP("txEndToXpaOff", pModal->txEndToXpaOff);
	PR_EEP("txEndToRxOn", pModal->txEndToRxOn);
	PR_EEP("txFrameToXpaOn", pModal->txFrameToXpaOn);
	PR_EEP("CCA Threshold)", pModal->thresh62);
	PR_EEP("Chain0 NF Threshold", pModal->noiseFloorThreshCh[0]);
	PR_EEP("Chain1 NF Threshold", pModal->noiseFloorThreshCh[1]);
	PR_EEP("xpdGain", pModal->xpdGain);
	PR_EEP("External PD", pModal->xpd);
	PR_EEP("Chain0 I Coefficient", pModal->iqCalICh[0]);
	PR_EEP("Chain1 I Coefficient", pModal->iqCalICh[1]);
	PR_EEP("Chain0 Q Coefficient", pModal->iqCalQCh[0]);
	PR_EEP("Chain1 Q Coefficient", pModal->iqCalQCh[1]);
	PR_EEP("pdGainOverlap", pModal->pdGainOverlap);
	PR_EEP("xPA Bias Level", pModal->xpaBiasLvl);
	PR_EEP("txFrameToDataStart", pModal->txFrameToDataStart);
	PR_EEP("txFrameToPaOn", pModal->txFrameToPaOn);
	PR_EEP("HT40 Power Inc.", pModal->ht40PowerIncForPdadc);
	PR_EEP("Chain0 bswAtten", pModal->bswAtten[0]);
	PR_EEP("Chain1 bswAtten", pModal->bswAtten[1]);
	PR_EEP("Chain0 bswMargin", pModal->bswMargin[0]);
	PR_EEP("Chain1 bswMargin", pModal->bswMargin[1]);
	PR_EEP("HT40 Switch Settle", pModal->swSettleHt40);
	PR_EEP("AR92x7 Version", pModal->version);
	PR_EEP("DriverBias1", pModal->db1);
	PR_EEP("DriverBias2", pModal->db1);
	PR_EEP("CCK OutputBias", pModal->ob_cck);
	PR_EEP("PSK OutputBias", pModal->ob_psk);
	PR_EEP("QAM OutputBias", pModal->ob_qam);
	PR_EEP("PAL_OFF OutputBias", pModal->ob_pal_off);

	if (len > size)
		len = size;

	retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
	kfree(buf);

	return retval;

#undef PR_EEP
}

static ssize_t read_file_modal_eeprom(struct file *file, char __user *user_buf,
				      size_t count, loff_t *ppos)
{
	struct ath9k_htc_priv *priv = file->private_data;

	if (AR_SREV_9271(priv->ah))
		return read_4k_modal_eeprom(file, user_buf, count, ppos);
	else if (priv->ah->hw_version.usbdev == AR9280_USB)
		return read_def_modal_eeprom(file, user_buf, count, ppos);
	else if (priv->ah->hw_version.usbdev == AR9287_USB)
		return read_9287_modal_eeprom(file, user_buf, count, ppos);

	return 0;
}

static const struct file_operations fops_modal_eeprom = {
	.read = read_file_modal_eeprom,
	.open = simple_open,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};

int ath9k_htc_init_debug(struct ath_hw *ah)
{
	struct ath_common *common = ath9k_hw_common(ah);
	struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;

	priv->debug.debugfs_phy = debugfs_create_dir(KBUILD_MODNAME,
					     priv->hw->wiphy->debugfsdir);
	if (!priv->debug.debugfs_phy)
		return -ENOMEM;

	debugfs_create_file("tgt_int_stats", S_IRUSR, priv->debug.debugfs_phy,
			    priv, &fops_tgt_int_stats);
	debugfs_create_file("tgt_tx_stats", S_IRUSR, priv->debug.debugfs_phy,
			    priv, &fops_tgt_tx_stats);
	debugfs_create_file("tgt_rx_stats", S_IRUSR, priv->debug.debugfs_phy,
			    priv, &fops_tgt_rx_stats);
	debugfs_create_file("xmit", S_IRUSR, priv->debug.debugfs_phy,
			    priv, &fops_xmit);
	debugfs_create_file("recv", S_IRUSR, priv->debug.debugfs_phy,
			    priv, &fops_recv);
	debugfs_create_file("slot", S_IRUSR, priv->debug.debugfs_phy,
			    priv, &fops_slot);
	debugfs_create_file("queue", S_IRUSR, priv->debug.debugfs_phy,
			    priv, &fops_queue);
	debugfs_create_file("debug", S_IRUSR | S_IWUSR, priv->debug.debugfs_phy,
			    priv, &fops_debug);
	debugfs_create_file("base_eeprom", S_IRUSR, priv->debug.debugfs_phy,
			    priv, &fops_base_eeprom);
	debugfs_create_file("modal_eeprom", S_IRUSR, priv->debug.debugfs_phy,
			    priv, &fops_modal_eeprom);

	return 0;
}