summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/ath/wil6210/main.c
blob: 06091d8a9e23940a3eb72aa70494a2ff314aed86 (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
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
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
// SPDX-License-Identifier: ISC
/*
 * Copyright (c) 2012-2017 Qualcomm Atheros, Inc.
 * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
 */

#include <linux/moduleparam.h>
#include <linux/if_arp.h>
#include <linux/etherdevice.h>
#include <linux/rtnetlink.h>

#include "wil6210.h"
#include "txrx.h"
#include "txrx_edma.h"
#include "wmi.h"
#include "boot_loader.h"

#define WAIT_FOR_HALP_VOTE_MS 100
#define WAIT_FOR_SCAN_ABORT_MS 1000
#define WIL_DEFAULT_NUM_RX_STATUS_RINGS 1
#define WIL_BOARD_FILE_MAX_NAMELEN 128

bool debug_fw; /* = false; */
module_param(debug_fw, bool, 0444);
MODULE_PARM_DESC(debug_fw, " do not perform card reset. For FW debug");

static u8 oob_mode;
module_param(oob_mode, byte, 0444);
MODULE_PARM_DESC(oob_mode,
		 " enable out of the box (OOB) mode in FW, for diagnostics and certification");

bool no_fw_recovery;
module_param(no_fw_recovery, bool, 0644);
MODULE_PARM_DESC(no_fw_recovery, " disable automatic FW error recovery");

/* if not set via modparam, will be set to default value of 1/8 of
 * rx ring size during init flow
 */
unsigned short rx_ring_overflow_thrsh = WIL6210_RX_HIGH_TRSH_INIT;
module_param(rx_ring_overflow_thrsh, ushort, 0444);
MODULE_PARM_DESC(rx_ring_overflow_thrsh,
		 " RX ring overflow threshold in descriptors.");

/* We allow allocation of more than 1 page buffers to support large packets.
 * It is suboptimal behavior performance wise in case MTU above page size.
 */
unsigned int mtu_max = TXRX_BUF_LEN_DEFAULT - WIL_MAX_MPDU_OVERHEAD;
static int mtu_max_set(const char *val, const struct kernel_param *kp)
{
	int ret;

	/* sets mtu_max directly. no need to restore it in case of
	 * illegal value since we assume this will fail insmod
	 */
	ret = param_set_uint(val, kp);
	if (ret)
		return ret;

	if (mtu_max < 68 || mtu_max > WIL_MAX_ETH_MTU)
		ret = -EINVAL;

	return ret;
}

static const struct kernel_param_ops mtu_max_ops = {
	.set = mtu_max_set,
	.get = param_get_uint,
};

module_param_cb(mtu_max, &mtu_max_ops, &mtu_max, 0444);
MODULE_PARM_DESC(mtu_max, " Max MTU value.");

static uint rx_ring_order;
static uint tx_ring_order = WIL_TX_RING_SIZE_ORDER_DEFAULT;
static uint bcast_ring_order = WIL_BCAST_RING_SIZE_ORDER_DEFAULT;

static int ring_order_set(const char *val, const struct kernel_param *kp)
{
	int ret;
	uint x;

	ret = kstrtouint(val, 0, &x);
	if (ret)
		return ret;

	if ((x < WIL_RING_SIZE_ORDER_MIN) || (x > WIL_RING_SIZE_ORDER_MAX))
		return -EINVAL;

	*((uint *)kp->arg) = x;

	return 0;
}

static const struct kernel_param_ops ring_order_ops = {
	.set = ring_order_set,
	.get = param_get_uint,
};

module_param_cb(rx_ring_order, &ring_order_ops, &rx_ring_order, 0444);
MODULE_PARM_DESC(rx_ring_order, " Rx ring order; size = 1 << order");
module_param_cb(tx_ring_order, &ring_order_ops, &tx_ring_order, 0444);
MODULE_PARM_DESC(tx_ring_order, " Tx ring order; size = 1 << order");
module_param_cb(bcast_ring_order, &ring_order_ops, &bcast_ring_order, 0444);
MODULE_PARM_DESC(bcast_ring_order, " Bcast ring order; size = 1 << order");

enum {
	WIL_BOOT_ERR,
	WIL_BOOT_VANILLA,
	WIL_BOOT_PRODUCTION,
	WIL_BOOT_DEVELOPMENT,
};

enum {
	WIL_SIG_STATUS_VANILLA = 0x0,
	WIL_SIG_STATUS_DEVELOPMENT = 0x1,
	WIL_SIG_STATUS_PRODUCTION = 0x2,
	WIL_SIG_STATUS_CORRUPTED_PRODUCTION = 0x3,
};

#define RST_DELAY (20) /* msec, for loop in @wil_wait_device_ready */
#define RST_COUNT (1 + 1000/RST_DELAY) /* round up to be above 1 sec total */

#define PMU_READY_DELAY_MS (4) /* ms, for sleep in @wil_wait_device_ready */

#define OTP_HW_DELAY (200) /* usec, loop in @wil_wait_device_ready_talyn_mb */
/* round up to be above 2 ms total */
#define OTP_HW_COUNT (1 + 2000 / OTP_HW_DELAY)

/*
 * Due to a hardware issue,
 * one has to read/write to/from NIC in 32-bit chunks;
 * regular memcpy_fromio and siblings will
 * not work on 64-bit platform - it uses 64-bit transactions
 *
 * Force 32-bit transactions to enable NIC on 64-bit platforms
 *
 * To avoid byte swap on big endian host, __raw_{read|write}l
 * should be used - {read|write}l would swap bytes to provide
 * little endian on PCI value in host endianness.
 */
void wil_memcpy_fromio_32(void *dst, const volatile void __iomem *src,
			  size_t count)
{
	u32 *d = dst;
	const volatile u32 __iomem *s = src;

	for (; count >= 4; count -= 4)
		*d++ = __raw_readl(s++);

	if (unlikely(count)) {
		/* count can be 1..3 */
		u32 tmp = __raw_readl(s);

		memcpy(d, &tmp, count);
	}
}

void wil_memcpy_toio_32(volatile void __iomem *dst, const void *src,
			size_t count)
{
	volatile u32 __iomem *d = dst;
	const u32 *s = src;

	for (; count >= 4; count -= 4)
		__raw_writel(*s++, d++);

	if (unlikely(count)) {
		/* count can be 1..3 */
		u32 tmp = 0;

		memcpy(&tmp, s, count);
		__raw_writel(tmp, d);
	}
}

/* Device memory access is prohibited while reset or suspend.
 * wil_mem_access_lock protects accessing device memory in these cases
 */
int wil_mem_access_lock(struct wil6210_priv *wil)
{
	if (!down_read_trylock(&wil->mem_lock))
		return -EBUSY;

	if (test_bit(wil_status_suspending, wil->status) ||
	    test_bit(wil_status_suspended, wil->status)) {
		up_read(&wil->mem_lock);
		return -EBUSY;
	}

	return 0;
}

void wil_mem_access_unlock(struct wil6210_priv *wil)
{
	up_read(&wil->mem_lock);
}

static void wil_ring_fini_tx(struct wil6210_priv *wil, int id)
{
	struct wil_ring *ring = &wil->ring_tx[id];
	struct wil_ring_tx_data *txdata = &wil->ring_tx_data[id];

	lockdep_assert_held(&wil->mutex);

	if (!ring->va)
		return;

	wil_dbg_misc(wil, "vring_fini_tx: id=%d\n", id);

	spin_lock_bh(&txdata->lock);
	txdata->dot1x_open = false;
	txdata->mid = U8_MAX;
	txdata->enabled = 0; /* no Tx can be in progress or start anew */
	spin_unlock_bh(&txdata->lock);
	/* napi_synchronize waits for completion of the current NAPI but will
	 * not prevent the next NAPI run.
	 * Add a memory barrier to guarantee that txdata->enabled is zeroed
	 * before napi_synchronize so that the next scheduled NAPI will not
	 * handle this vring
	 */
	wmb();
	/* make sure NAPI won't touch this vring */
	if (test_bit(wil_status_napi_en, wil->status))
		napi_synchronize(&wil->napi_tx);

	wil->txrx_ops.ring_fini_tx(wil, ring);
}

static bool wil_vif_is_connected(struct wil6210_priv *wil, u8 mid)
{
	int i;

	for (i = 0; i < wil->max_assoc_sta; i++) {
		if (wil->sta[i].mid == mid &&
		    wil->sta[i].status == wil_sta_connected)
			return true;
	}

	return false;
}

static void wil_disconnect_cid_complete(struct wil6210_vif *vif, int cid,
					u16 reason_code)
__acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock)
{
	uint i;
	struct wil6210_priv *wil = vif_to_wil(vif);
	struct net_device *ndev = vif_to_ndev(vif);
	struct wireless_dev *wdev = vif_to_wdev(vif);
	struct wil_sta_info *sta = &wil->sta[cid];
	int min_ring_id = wil_get_min_tx_ring_id(wil);

	might_sleep();
	wil_dbg_misc(wil,
		     "disconnect_cid_complete: CID %d, MID %d, status %d\n",
		     cid, sta->mid, sta->status);
	/* inform upper layers */
	if (sta->status != wil_sta_unused) {
		if (vif->mid != sta->mid) {
			wil_err(wil, "STA MID mismatch with VIF MID(%d)\n",
				vif->mid);
		}

		switch (wdev->iftype) {
		case NL80211_IFTYPE_AP:
		case NL80211_IFTYPE_P2P_GO:
			/* AP-like interface */
			cfg80211_del_sta(ndev, sta->addr, GFP_KERNEL);
			break;
		default:
			break;
		}
		sta->status = wil_sta_unused;
		sta->mid = U8_MAX;
	}
	/* reorder buffers */
	for (i = 0; i < WIL_STA_TID_NUM; i++) {
		struct wil_tid_ampdu_rx *r;

		spin_lock_bh(&sta->tid_rx_lock);

		r = sta->tid_rx[i];
		sta->tid_rx[i] = NULL;
		wil_tid_ampdu_rx_free(wil, r);

		spin_unlock_bh(&sta->tid_rx_lock);
	}
	/* crypto context */
	memset(sta->tid_crypto_rx, 0, sizeof(sta->tid_crypto_rx));
	memset(&sta->group_crypto_rx, 0, sizeof(sta->group_crypto_rx));
	/* release vrings */
	for (i = min_ring_id; i < ARRAY_SIZE(wil->ring_tx); i++) {
		if (wil->ring2cid_tid[i][0] == cid)
			wil_ring_fini_tx(wil, i);
	}
	/* statistics */
	memset(&sta->stats, 0, sizeof(sta->stats));
	sta->stats.tx_latency_min_us = U32_MAX;
}

static void _wil6210_disconnect_complete(struct wil6210_vif *vif,
					 const u8 *bssid, u16 reason_code)
{
	struct wil6210_priv *wil = vif_to_wil(vif);
	int cid = -ENOENT;
	struct net_device *ndev;
	struct wireless_dev *wdev;

	ndev = vif_to_ndev(vif);
	wdev = vif_to_wdev(vif);

	might_sleep();
	wil_info(wil, "disconnect_complete: bssid=%pM, reason=%d\n",
		 bssid, reason_code);

	/* Cases are:
	 * - disconnect single STA, still connected
	 * - disconnect single STA, already disconnected
	 * - disconnect all
	 *
	 * For "disconnect all", there are 3 options:
	 * - bssid == NULL
	 * - bssid is broadcast address (ff:ff:ff:ff:ff:ff)
	 * - bssid is our MAC address
	 */
	if (bssid && !is_broadcast_ether_addr(bssid) &&
	    !ether_addr_equal_unaligned(ndev->dev_addr, bssid)) {
		cid = wil_find_cid(wil, vif->mid, bssid);
		wil_dbg_misc(wil,
			     "Disconnect complete %pM, CID=%d, reason=%d\n",
			     bssid, cid, reason_code);
		if (wil_cid_valid(wil, cid)) /* disconnect 1 peer */
			wil_disconnect_cid_complete(vif, cid, reason_code);
	} else { /* all */
		wil_dbg_misc(wil, "Disconnect complete all\n");
		for (cid = 0; cid < wil->max_assoc_sta; cid++)
			wil_disconnect_cid_complete(vif, cid, reason_code);
	}

	/* link state */
	switch (wdev->iftype) {
	case NL80211_IFTYPE_STATION:
	case NL80211_IFTYPE_P2P_CLIENT:
		wil_bcast_fini(vif);
		wil_update_net_queues_bh(wil, vif, NULL, true);
		netif_carrier_off(ndev);
		if (!wil_has_other_active_ifaces(wil, ndev, false, true))
			wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS);

		if (test_and_clear_bit(wil_vif_fwconnected, vif->status)) {
			atomic_dec(&wil->connected_vifs);
			cfg80211_disconnected(ndev, reason_code,
					      NULL, 0,
					      vif->locally_generated_disc,
					      GFP_KERNEL);
			vif->locally_generated_disc = false;
		} else if (test_bit(wil_vif_fwconnecting, vif->status)) {
			cfg80211_connect_result(ndev, bssid, NULL, 0, NULL, 0,
						WLAN_STATUS_UNSPECIFIED_FAILURE,
						GFP_KERNEL);
			vif->bss = NULL;
		}
		clear_bit(wil_vif_fwconnecting, vif->status);
		clear_bit(wil_vif_ft_roam, vif->status);
		vif->ptk_rekey_state = WIL_REKEY_IDLE;

		break;
	case NL80211_IFTYPE_AP:
	case NL80211_IFTYPE_P2P_GO:
		if (!wil_vif_is_connected(wil, vif->mid)) {
			wil_update_net_queues_bh(wil, vif, NULL, true);
			if (test_and_clear_bit(wil_vif_fwconnected,
					       vif->status))
				atomic_dec(&wil->connected_vifs);
		} else {
			wil_update_net_queues_bh(wil, vif, NULL, false);
		}
		break;
	default:
		break;
	}
}

static int wil_disconnect_cid(struct wil6210_vif *vif, int cid,
			      u16 reason_code)
{
	struct wil6210_priv *wil = vif_to_wil(vif);
	struct wireless_dev *wdev = vif_to_wdev(vif);
	struct wil_sta_info *sta = &wil->sta[cid];
	bool del_sta = false;

	might_sleep();
	wil_dbg_misc(wil, "disconnect_cid: CID %d, MID %d, status %d\n",
		     cid, sta->mid, sta->status);

	if (sta->status == wil_sta_unused)
		return 0;

	if (vif->mid != sta->mid) {
		wil_err(wil, "STA MID mismatch with VIF MID(%d)\n", vif->mid);
		return -EINVAL;
	}

	/* inform lower layers */
	if (wdev->iftype == NL80211_IFTYPE_AP && disable_ap_sme)
		del_sta = true;

	/* disconnect by sending command disconnect/del_sta and wait
	 * synchronously for WMI_DISCONNECT_EVENTID event.
	 */
	return wmi_disconnect_sta(vif, sta->addr, reason_code, del_sta);
}

static void _wil6210_disconnect(struct wil6210_vif *vif, const u8 *bssid,
				u16 reason_code)
{
	struct wil6210_priv *wil;
	struct net_device *ndev;
	int cid = -ENOENT;

	if (unlikely(!vif))
		return;

	wil = vif_to_wil(vif);
	ndev = vif_to_ndev(vif);

	might_sleep();
	wil_info(wil, "disconnect bssid=%pM, reason=%d\n", bssid, reason_code);

	/* Cases are:
	 * - disconnect single STA, still connected
	 * - disconnect single STA, already disconnected
	 * - disconnect all
	 *
	 * For "disconnect all", there are 3 options:
	 * - bssid == NULL
	 * - bssid is broadcast address (ff:ff:ff:ff:ff:ff)
	 * - bssid is our MAC address
	 */
	if (bssid && !is_broadcast_ether_addr(bssid) &&
	    !ether_addr_equal_unaligned(ndev->dev_addr, bssid)) {
		cid = wil_find_cid(wil, vif->mid, bssid);
		wil_dbg_misc(wil, "Disconnect %pM, CID=%d, reason=%d\n",
			     bssid, cid, reason_code);
		if (wil_cid_valid(wil, cid)) /* disconnect 1 peer */
			wil_disconnect_cid(vif, cid, reason_code);
	} else { /* all */
		wil_dbg_misc(wil, "Disconnect all\n");
		for (cid = 0; cid < wil->max_assoc_sta; cid++)
			wil_disconnect_cid(vif, cid, reason_code);
	}

	/* call event handler manually after processing wmi_call,
	 * to avoid deadlock - disconnect event handler acquires
	 * wil->mutex while it is already held here
	 */
	_wil6210_disconnect_complete(vif, bssid, reason_code);
}

void wil_disconnect_worker(struct work_struct *work)
{
	struct wil6210_vif *vif = container_of(work,
			struct wil6210_vif, disconnect_worker);
	struct wil6210_priv *wil = vif_to_wil(vif);
	struct net_device *ndev = vif_to_ndev(vif);
	int rc;
	struct {
		struct wmi_cmd_hdr wmi;
		struct wmi_disconnect_event evt;
	} __packed reply;

	if (test_bit(wil_vif_fwconnected, vif->status))
		/* connect succeeded after all */
		return;

	if (!test_bit(wil_vif_fwconnecting, vif->status))
		/* already disconnected */
		return;

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

	rc = wmi_call(wil, WMI_DISCONNECT_CMDID, vif->mid, NULL, 0,
		      WMI_DISCONNECT_EVENTID, &reply, sizeof(reply),
		      WIL6210_DISCONNECT_TO_MS);
	if (rc) {
		wil_err(wil, "disconnect error %d\n", rc);
		return;
	}

	wil_update_net_queues_bh(wil, vif, NULL, true);
	netif_carrier_off(ndev);
	cfg80211_connect_result(ndev, NULL, NULL, 0, NULL, 0,
				WLAN_STATUS_UNSPECIFIED_FAILURE, GFP_KERNEL);
	clear_bit(wil_vif_fwconnecting, vif->status);
}

static int wil_wait_for_recovery(struct wil6210_priv *wil)
{
	if (wait_event_interruptible(wil->wq, wil->recovery_state !=
				     fw_recovery_pending)) {
		wil_err(wil, "Interrupt, canceling recovery\n");
		return -ERESTARTSYS;
	}
	if (wil->recovery_state != fw_recovery_running) {
		wil_info(wil, "Recovery cancelled\n");
		return -EINTR;
	}
	wil_info(wil, "Proceed with recovery\n");
	return 0;
}

void wil_set_recovery_state(struct wil6210_priv *wil, int state)
{
	wil_dbg_misc(wil, "set_recovery_state: %d -> %d\n",
		     wil->recovery_state, state);

	wil->recovery_state = state;
	wake_up_interruptible(&wil->wq);
}

bool wil_is_recovery_blocked(struct wil6210_priv *wil)
{
	return no_fw_recovery && (wil->recovery_state == fw_recovery_pending);
}

static void wil_fw_error_worker(struct work_struct *work)
{
	struct wil6210_priv *wil = container_of(work, struct wil6210_priv,
						fw_error_worker);
	struct net_device *ndev = wil->main_ndev;
	struct wireless_dev *wdev;

	wil_dbg_misc(wil, "fw error worker\n");

	if (!ndev || !(ndev->flags & IFF_UP)) {
		wil_info(wil, "No recovery - interface is down\n");
		return;
	}
	wdev = ndev->ieee80211_ptr;

	/* increment @recovery_count if less then WIL6210_FW_RECOVERY_TO
	 * passed since last recovery attempt
	 */
	if (time_is_after_jiffies(wil->last_fw_recovery +
				  WIL6210_FW_RECOVERY_TO))
		wil->recovery_count++;
	else
		wil->recovery_count = 1; /* fw was alive for a long time */

	if (wil->recovery_count > WIL6210_FW_RECOVERY_RETRIES) {
		wil_err(wil, "too many recovery attempts (%d), giving up\n",
			wil->recovery_count);
		return;
	}

	wil->last_fw_recovery = jiffies;

	wil_info(wil, "fw error recovery requested (try %d)...\n",
		 wil->recovery_count);
	if (!no_fw_recovery)
		wil->recovery_state = fw_recovery_running;
	if (wil_wait_for_recovery(wil) != 0)
		return;

	rtnl_lock();
	mutex_lock(&wil->mutex);
	/* Needs adaptation for multiple VIFs
	 * need to go over all VIFs and consider the appropriate
	 * recovery because each one can have different iftype.
	 */
	switch (wdev->iftype) {
	case NL80211_IFTYPE_STATION:
	case NL80211_IFTYPE_P2P_CLIENT:
	case NL80211_IFTYPE_MONITOR:
		/* silent recovery, upper layers will see disconnect */
		__wil_down(wil);
		__wil_up(wil);
		break;
	case NL80211_IFTYPE_AP:
	case NL80211_IFTYPE_P2P_GO:
		if (no_fw_recovery) /* upper layers do recovery */
			break;
		/* silent recovery, upper layers will see disconnect */
		__wil_down(wil);
		__wil_up(wil);
		mutex_unlock(&wil->mutex);
		wil_cfg80211_ap_recovery(wil);
		mutex_lock(&wil->mutex);
		wil_info(wil, "... completed\n");
		break;
	default:
		wil_err(wil, "No recovery - unknown interface type %d\n",
			wdev->iftype);
		break;
	}

	mutex_unlock(&wil->mutex);
	rtnl_unlock();
}

static int wil_find_free_ring(struct wil6210_priv *wil)
{
	int i;
	int min_ring_id = wil_get_min_tx_ring_id(wil);

	for (i = min_ring_id; i < WIL6210_MAX_TX_RINGS; i++) {
		if (!wil->ring_tx[i].va)
			return i;
	}
	return -EINVAL;
}

int wil_ring_init_tx(struct wil6210_vif *vif, int cid)
{
	struct wil6210_priv *wil = vif_to_wil(vif);
	int rc = -EINVAL, ringid;

	if (cid < 0) {
		wil_err(wil, "No connection pending\n");
		goto out;
	}
	ringid = wil_find_free_ring(wil);
	if (ringid < 0) {
		wil_err(wil, "No free vring found\n");
		goto out;
	}

	wil_dbg_wmi(wil, "Configure for connection CID %d MID %d ring %d\n",
		    cid, vif->mid, ringid);

	rc = wil->txrx_ops.ring_init_tx(vif, ringid, 1 << tx_ring_order,
					cid, 0);
	if (rc)
		wil_err(wil, "init TX for CID %d MID %d vring %d failed\n",
			cid, vif->mid, ringid);

out:
	return rc;
}

int wil_bcast_init(struct wil6210_vif *vif)
{
	struct wil6210_priv *wil = vif_to_wil(vif);
	int ri = vif->bcast_ring, rc;

	if (ri >= 0 && wil->ring_tx[ri].va)
		return 0;

	ri = wil_find_free_ring(wil);
	if (ri < 0)
		return ri;

	vif->bcast_ring = ri;
	rc = wil->txrx_ops.ring_init_bcast(vif, ri, 1 << bcast_ring_order);
	if (rc)
		vif->bcast_ring = -1;

	return rc;
}

void wil_bcast_fini(struct wil6210_vif *vif)
{
	struct wil6210_priv *wil = vif_to_wil(vif);
	int ri = vif->bcast_ring;

	if (ri < 0)
		return;

	vif->bcast_ring = -1;
	wil_ring_fini_tx(wil, ri);
}

void wil_bcast_fini_all(struct wil6210_priv *wil)
{
	int i;
	struct wil6210_vif *vif;

	for (i = 0; i < GET_MAX_VIFS(wil); i++) {
		vif = wil->vifs[i];
		if (vif)
			wil_bcast_fini(vif);
	}
}

int wil_priv_init(struct wil6210_priv *wil)
{
	uint i;

	wil_dbg_misc(wil, "priv_init\n");

	memset(wil->sta, 0, sizeof(wil->sta));
	for (i = 0; i < WIL6210_MAX_CID; i++) {
		spin_lock_init(&wil->sta[i].tid_rx_lock);
		wil->sta[i].mid = U8_MAX;
	}

	for (i = 0; i < WIL6210_MAX_TX_RINGS; i++) {
		spin_lock_init(&wil->ring_tx_data[i].lock);
		wil->ring2cid_tid[i][0] = WIL6210_MAX_CID;
	}

	mutex_init(&wil->mutex);
	mutex_init(&wil->vif_mutex);
	mutex_init(&wil->wmi_mutex);
	mutex_init(&wil->halp.lock);

	init_completion(&wil->wmi_ready);
	init_completion(&wil->wmi_call);
	init_completion(&wil->halp.comp);

	INIT_WORK(&wil->wmi_event_worker, wmi_event_worker);
	INIT_WORK(&wil->fw_error_worker, wil_fw_error_worker);

	INIT_LIST_HEAD(&wil->pending_wmi_ev);
	spin_lock_init(&wil->wmi_ev_lock);
	spin_lock_init(&wil->net_queue_lock);
	spin_lock_init(&wil->eap_lock);

	init_waitqueue_head(&wil->wq);
	init_rwsem(&wil->mem_lock);

	wil->wmi_wq = create_singlethread_workqueue(WIL_NAME "_wmi");
	if (!wil->wmi_wq)
		return -EAGAIN;

	wil->wq_service = create_singlethread_workqueue(WIL_NAME "_service");
	if (!wil->wq_service)
		goto out_wmi_wq;

	wil->last_fw_recovery = jiffies;
	wil->tx_interframe_timeout = WIL6210_ITR_TX_INTERFRAME_TIMEOUT_DEFAULT;
	wil->rx_interframe_timeout = WIL6210_ITR_RX_INTERFRAME_TIMEOUT_DEFAULT;
	wil->tx_max_burst_duration = WIL6210_ITR_TX_MAX_BURST_DURATION_DEFAULT;
	wil->rx_max_burst_duration = WIL6210_ITR_RX_MAX_BURST_DURATION_DEFAULT;

	if (rx_ring_overflow_thrsh == WIL6210_RX_HIGH_TRSH_INIT)
		rx_ring_overflow_thrsh = WIL6210_RX_HIGH_TRSH_DEFAULT;

	wil->ps_profile =  WMI_PS_PROFILE_TYPE_DEFAULT;

	wil->wakeup_trigger = WMI_WAKEUP_TRIGGER_UCAST |
			      WMI_WAKEUP_TRIGGER_BCAST;
	memset(&wil->suspend_stats, 0, sizeof(wil->suspend_stats));
	wil->ring_idle_trsh = 16;

	wil->reply_mid = U8_MAX;
	wil->max_vifs = 1;
	wil->max_assoc_sta = max_assoc_sta;

	/* edma configuration can be updated via debugfs before allocation */
	wil->num_rx_status_rings = WIL_DEFAULT_NUM_RX_STATUS_RINGS;
	wil->tx_status_ring_order = WIL_TX_SRING_SIZE_ORDER_DEFAULT;

	/* Rx status ring size should be bigger than the number of RX buffers
	 * in order to prevent backpressure on the status ring, which may
	 * cause HW freeze.
	 */
	wil->rx_status_ring_order = WIL_RX_SRING_SIZE_ORDER_DEFAULT;
	/* Number of RX buffer IDs should be bigger than the RX descriptor
	 * ring size as in HW reorder flow, the HW can consume additional
	 * buffers before releasing the previous ones.
	 */
	wil->rx_buff_id_count = WIL_RX_BUFF_ARR_SIZE_DEFAULT;

	wil->amsdu_en = 1;

	return 0;

out_wmi_wq:
	destroy_workqueue(wil->wmi_wq);

	return -EAGAIN;
}

void wil6210_bus_request(struct wil6210_priv *wil, u32 kbps)
{
	if (wil->platform_ops.bus_request) {
		wil->bus_request_kbps = kbps;
		wil->platform_ops.bus_request(wil->platform_handle, kbps);
	}
}

/**
 * wil6210_disconnect - disconnect one connection
 * @vif: virtual interface context
 * @bssid: peer to disconnect, NULL to disconnect all
 * @reason_code: Reason code for the Disassociation frame
 *
 * Disconnect and release associated resources. Issue WMI
 * command(s) to trigger MAC disconnect. When command was issued
 * successfully, call the wil6210_disconnect_complete function
 * to handle the event synchronously
 */
void wil6210_disconnect(struct wil6210_vif *vif, const u8 *bssid,
			u16 reason_code)
{
	struct wil6210_priv *wil = vif_to_wil(vif);

	wil_dbg_misc(wil, "disconnecting\n");

	del_timer_sync(&vif->connect_timer);
	_wil6210_disconnect(vif, bssid, reason_code);
}

/**
 * wil6210_disconnect_complete - handle disconnect event
 * @vif: virtual interface context
 * @bssid: peer to disconnect, NULL to disconnect all
 * @reason_code: Reason code for the Disassociation frame
 *
 * Release associated resources and indicate upper layers the
 * connection is terminated.
 */
void wil6210_disconnect_complete(struct wil6210_vif *vif, const u8 *bssid,
				 u16 reason_code)
{
	struct wil6210_priv *wil = vif_to_wil(vif);

	wil_dbg_misc(wil, "got disconnect\n");

	del_timer_sync(&vif->connect_timer);
	_wil6210_disconnect_complete(vif, bssid, reason_code);
}

void wil_priv_deinit(struct wil6210_priv *wil)
{
	wil_dbg_misc(wil, "priv_deinit\n");

	wil_set_recovery_state(wil, fw_recovery_idle);
	cancel_work_sync(&wil->fw_error_worker);
	wmi_event_flush(wil);
	destroy_workqueue(wil->wq_service);
	destroy_workqueue(wil->wmi_wq);
	kfree(wil->brd_info);
}

static void wil_shutdown_bl(struct wil6210_priv *wil)
{
	u32 val;

	wil_s(wil, RGF_USER_BL +
	      offsetof(struct bl_dedicated_registers_v1,
		       bl_shutdown_handshake), BL_SHUTDOWN_HS_GRTD);

	usleep_range(100, 150);

	val = wil_r(wil, RGF_USER_BL +
		    offsetof(struct bl_dedicated_registers_v1,
			     bl_shutdown_handshake));
	if (val & BL_SHUTDOWN_HS_RTD) {
		wil_dbg_misc(wil, "BL is ready for halt\n");
		return;
	}

	wil_err(wil, "BL did not report ready for halt\n");
}

/* this format is used by ARC embedded CPU for instruction memory */
static inline u32 ARC_me_imm32(u32 d)
{
	return ((d & 0xffff0000) >> 16) | ((d & 0x0000ffff) << 16);
}

/* defines access to interrupt vectors for wil_freeze_bl */
#define ARC_IRQ_VECTOR_OFFSET(N)	((N) * 8)
/* ARC long jump instruction */
#define ARC_JAL_INST			(0x20200f80)

static void wil_freeze_bl(struct wil6210_priv *wil)
{
	u32 jal, upc, saved;
	u32 ivt3 = ARC_IRQ_VECTOR_OFFSET(3);

	jal = wil_r(wil, wil->iccm_base + ivt3);
	if (jal != ARC_me_imm32(ARC_JAL_INST)) {
		wil_dbg_misc(wil, "invalid IVT entry found, skipping\n");
		return;
	}

	/* prevent the target from entering deep sleep
	 * and disabling memory access
	 */
	saved = wil_r(wil, RGF_USER_USAGE_8);
	wil_w(wil, RGF_USER_USAGE_8, saved | BIT_USER_PREVENT_DEEP_SLEEP);
	usleep_range(20, 25); /* let the BL process the bit */

	/* redirect to endless loop in the INT_L1 context and let it trap */
	wil_w(wil, wil->iccm_base + ivt3 + 4, ARC_me_imm32(ivt3));
	usleep_range(20, 25); /* let the BL get into the trap */

	/* verify the BL is frozen */
	upc = wil_r(wil, RGF_USER_CPU_PC);
	if (upc < ivt3 || (upc > (ivt3 + 8)))
		wil_dbg_misc(wil, "BL freeze failed, PC=0x%08X\n", upc);

	wil_w(wil, RGF_USER_USAGE_8, saved);
}

static void wil_bl_prepare_halt(struct wil6210_priv *wil)
{
	u32 tmp, ver;

	/* before halting device CPU driver must make sure BL is not accessing
	 * host memory. This is done differently depending on BL version:
	 * 1. For very old BL versions the procedure is skipped
	 * (not supported).
	 * 2. For old BL version we use a special trick to freeze the BL
	 * 3. For new BL versions we shutdown the BL using handshake procedure.
	 */
	tmp = wil_r(wil, RGF_USER_BL +
		    offsetof(struct bl_dedicated_registers_v0,
			     boot_loader_struct_version));
	if (!tmp) {
		wil_dbg_misc(wil, "old BL, skipping halt preparation\n");
		return;
	}

	tmp = wil_r(wil, RGF_USER_BL +
		    offsetof(struct bl_dedicated_registers_v1,
			     bl_shutdown_handshake));
	ver = BL_SHUTDOWN_HS_PROT_VER(tmp);

	if (ver > 0)
		wil_shutdown_bl(wil);
	else
		wil_freeze_bl(wil);
}

static inline void wil_halt_cpu(struct wil6210_priv *wil)
{
	if (wil->hw_version >= HW_VER_TALYN_MB) {
		wil_w(wil, RGF_USER_USER_CPU_0_TALYN_MB,
		      BIT_USER_USER_CPU_MAN_RST);
		wil_w(wil, RGF_USER_MAC_CPU_0_TALYN_MB,
		      BIT_USER_MAC_CPU_MAN_RST);
	} else {
		wil_w(wil, RGF_USER_USER_CPU_0, BIT_USER_USER_CPU_MAN_RST);
		wil_w(wil, RGF_USER_MAC_CPU_0,  BIT_USER_MAC_CPU_MAN_RST);
	}
}

static inline void wil_release_cpu(struct wil6210_priv *wil)
{
	/* Start CPU */
	if (wil->hw_version >= HW_VER_TALYN_MB)
		wil_w(wil, RGF_USER_USER_CPU_0_TALYN_MB, 1);
	else
		wil_w(wil, RGF_USER_USER_CPU_0, 1);
}

static void wil_set_oob_mode(struct wil6210_priv *wil, u8 mode)
{
	wil_info(wil, "oob_mode to %d\n", mode);
	switch (mode) {
	case 0:
		wil_c(wil, RGF_USER_USAGE_6, BIT_USER_OOB_MODE |
		      BIT_USER_OOB_R2_MODE);
		break;
	case 1:
		wil_c(wil, RGF_USER_USAGE_6, BIT_USER_OOB_R2_MODE);
		wil_s(wil, RGF_USER_USAGE_6, BIT_USER_OOB_MODE);
		break;
	case 2:
		wil_c(wil, RGF_USER_USAGE_6, BIT_USER_OOB_MODE);
		wil_s(wil, RGF_USER_USAGE_6, BIT_USER_OOB_R2_MODE);
		break;
	default:
		wil_err(wil, "invalid oob_mode: %d\n", mode);
	}
}

static int wil_wait_device_ready(struct wil6210_priv *wil, int no_flash)
{
	int delay = 0;
	u32 x, x1 = 0;

	/* wait until device ready. */
	if (no_flash) {
		msleep(PMU_READY_DELAY_MS);

		wil_dbg_misc(wil, "Reset completed\n");
	} else {
		do {
			msleep(RST_DELAY);
			x = wil_r(wil, RGF_USER_BL +
				  offsetof(struct bl_dedicated_registers_v0,
					   boot_loader_ready));
			if (x1 != x) {
				wil_dbg_misc(wil, "BL.ready 0x%08x => 0x%08x\n",
					     x1, x);
				x1 = x;
			}
			if (delay++ > RST_COUNT) {
				wil_err(wil, "Reset not completed, bl.ready 0x%08x\n",
					x);
				return -ETIME;
			}
		} while (x != BL_READY);

		wil_dbg_misc(wil, "Reset completed in %d ms\n",
			     delay * RST_DELAY);
	}

	return 0;
}

static int wil_wait_device_ready_talyn_mb(struct wil6210_priv *wil)
{
	u32 otp_hw;
	u8 signature_status;
	bool otp_signature_err;
	bool hw_section_done;
	u32 otp_qc_secured;
	int delay = 0;

	/* Wait for OTP signature test to complete */
	usleep_range(2000, 2200);

	wil->boot_config = WIL_BOOT_ERR;

	/* Poll until OTP signature status is valid.
	 * In vanilla and development modes, when signature test is complete
	 * HW sets BIT_OTP_SIGNATURE_ERR_TALYN_MB.
	 * In production mode BIT_OTP_SIGNATURE_ERR_TALYN_MB remains 0, poll
	 * for signature status change to 2 or 3.
	 */
	do {
		otp_hw = wil_r(wil, RGF_USER_OTP_HW_RD_MACHINE_1);
		signature_status = WIL_GET_BITS(otp_hw, 8, 9);
		otp_signature_err = otp_hw & BIT_OTP_SIGNATURE_ERR_TALYN_MB;

		if (otp_signature_err &&
		    signature_status == WIL_SIG_STATUS_VANILLA) {
			wil->boot_config = WIL_BOOT_VANILLA;
			break;
		}
		if (otp_signature_err &&
		    signature_status == WIL_SIG_STATUS_DEVELOPMENT) {
			wil->boot_config = WIL_BOOT_DEVELOPMENT;
			break;
		}
		if (!otp_signature_err &&
		    signature_status == WIL_SIG_STATUS_PRODUCTION) {
			wil->boot_config = WIL_BOOT_PRODUCTION;
			break;
		}
		if  (!otp_signature_err &&
		     signature_status ==
		     WIL_SIG_STATUS_CORRUPTED_PRODUCTION) {
			/* Unrecognized OTP signature found. Possibly a
			 * corrupted production signature, access control
			 * is applied as in production mode, therefore
			 * do not fail
			 */
			wil->boot_config = WIL_BOOT_PRODUCTION;
			break;
		}
		if (delay++ > OTP_HW_COUNT)
			break;

		usleep_range(OTP_HW_DELAY, OTP_HW_DELAY + 10);
	} while (!otp_signature_err && signature_status == 0);

	if (wil->boot_config == WIL_BOOT_ERR) {
		wil_err(wil,
			"invalid boot config, signature_status %d otp_signature_err %d\n",
			signature_status, otp_signature_err);
		return -ETIME;
	}

	wil_dbg_misc(wil,
		     "signature test done in %d usec, otp_hw 0x%x, boot_config %d\n",
		     delay * OTP_HW_DELAY, otp_hw, wil->boot_config);

	if (wil->boot_config == WIL_BOOT_VANILLA)
		/* Assuming not SPI boot (currently not supported) */
		goto out;

	hw_section_done = otp_hw & BIT_OTP_HW_SECTION_DONE_TALYN_MB;
	delay = 0;

	while (!hw_section_done) {
		msleep(RST_DELAY);

		otp_hw = wil_r(wil, RGF_USER_OTP_HW_RD_MACHINE_1);
		hw_section_done = otp_hw & BIT_OTP_HW_SECTION_DONE_TALYN_MB;

		if (delay++ > RST_COUNT) {
			wil_err(wil, "TO waiting for hw_section_done\n");
			return -ETIME;
		}
	}

	wil_dbg_misc(wil, "HW section done in %d ms\n", delay * RST_DELAY);

	otp_qc_secured = wil_r(wil, RGF_OTP_QC_SECURED);
	wil->secured_boot = otp_qc_secured & BIT_BOOT_FROM_ROM ? 1 : 0;
	wil_dbg_misc(wil, "secured boot is %sabled\n",
		     wil->secured_boot ? "en" : "dis");

out:
	wil_dbg_misc(wil, "Reset completed\n");

	return 0;
}

static int wil_target_reset(struct wil6210_priv *wil, int no_flash)
{
	u32 x;
	int rc;

	wil_dbg_misc(wil, "Resetting \"%s\"...\n", wil->hw_name);

	if (wil->hw_version < HW_VER_TALYN) {
		/* Clear MAC link up */
		wil_s(wil, RGF_HP_CTRL, BIT(15));
		wil_s(wil, RGF_USER_CLKS_CTL_SW_RST_MASK_0,
		      BIT_HPAL_PERST_FROM_PAD);
		wil_s(wil, RGF_USER_CLKS_CTL_SW_RST_MASK_0, BIT_CAR_PERST_RST);
	}

	wil_halt_cpu(wil);

	if (!no_flash) {
		/* clear all boot loader "ready" bits */
		wil_w(wil, RGF_USER_BL +
		      offsetof(struct bl_dedicated_registers_v0,
			       boot_loader_ready), 0);
		/* this should be safe to write even with old BLs */
		wil_w(wil, RGF_USER_BL +
		      offsetof(struct bl_dedicated_registers_v1,
			       bl_shutdown_handshake), 0);
	}
	/* Clear Fw Download notification */
	wil_c(wil, RGF_USER_USAGE_6, BIT(0));

	wil_s(wil, RGF_CAF_OSC_CONTROL, BIT_CAF_OSC_XTAL_EN);
	/* XTAL stabilization should take about 3ms */
	usleep_range(5000, 7000);
	x = wil_r(wil, RGF_CAF_PLL_LOCK_STATUS);
	if (!(x & BIT_CAF_OSC_DIG_XTAL_STABLE)) {
		wil_err(wil, "Xtal stabilization timeout\n"
			"RGF_CAF_PLL_LOCK_STATUS = 0x%08x\n", x);
		return -ETIME;
	}
	/* switch 10k to XTAL*/
	wil_c(wil, RGF_USER_SPARROW_M_4, BIT_SPARROW_M_4_SEL_SLEEP_OR_REF);
	/* 40 MHz */
	wil_c(wil, RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_CAR_AHB_SW_SEL);

	wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_0, 0x3ff81f);
	wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_1, 0xf);

	if (wil->hw_version >= HW_VER_TALYN_MB) {
		wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0x7e000000);
		wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_1, 0x0000003f);
		wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0xc00000f0);
		wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0xffe7fe00);
	} else {
		wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0xfe000000);
		wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_1, 0x0000003f);
		wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0x000000f0);
		wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0xffe7fe00);
	}

	wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_0, 0x0);
	wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_1, 0x0);

	wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0);
	wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0);
	wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_1, 0);
	wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0);

	wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0x00000003);
	/* reset A2 PCIE AHB */
	wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0x00008000);

	wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0);

	if (wil->hw_version == HW_VER_TALYN_MB)
		rc = wil_wait_device_ready_talyn_mb(wil);
	else
		rc = wil_wait_device_ready(wil, no_flash);
	if (rc)
		return rc;

	wil_c(wil, RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_RST_PWGD);

	/* enable fix for HW bug related to the SA/DA swap in AP Rx */
	wil_s(wil, RGF_DMA_OFUL_NID_0, BIT_DMA_OFUL_NID_0_RX_EXT_TR_EN |
	      BIT_DMA_OFUL_NID_0_RX_EXT_A3_SRC);

	if (wil->hw_version < HW_VER_TALYN_MB && no_flash) {
		/* Reset OTP HW vectors to fit 40MHz */
		wil_w(wil, RGF_USER_XPM_IFC_RD_TIME1, 0x60001);
		wil_w(wil, RGF_USER_XPM_IFC_RD_TIME2, 0x20027);
		wil_w(wil, RGF_USER_XPM_IFC_RD_TIME3, 0x1);
		wil_w(wil, RGF_USER_XPM_IFC_RD_TIME4, 0x20027);
		wil_w(wil, RGF_USER_XPM_IFC_RD_TIME5, 0x30003);
		wil_w(wil, RGF_USER_XPM_IFC_RD_TIME6, 0x20002);
		wil_w(wil, RGF_USER_XPM_IFC_RD_TIME7, 0x60001);
		wil_w(wil, RGF_USER_XPM_IFC_RD_TIME8, 0x60001);
		wil_w(wil, RGF_USER_XPM_IFC_RD_TIME9, 0x60001);
		wil_w(wil, RGF_USER_XPM_IFC_RD_TIME10, 0x60001);
		wil_w(wil, RGF_USER_XPM_RD_DOUT_SAMPLE_TIME, 0x57);
	}

	return 0;
}

static void wil_collect_fw_info(struct wil6210_priv *wil)
{
	struct wiphy *wiphy = wil_to_wiphy(wil);
	u8 retry_short;
	int rc;

	wil_refresh_fw_capabilities(wil);

	rc = wmi_get_mgmt_retry(wil, &retry_short);
	if (!rc) {
		wiphy->retry_short = retry_short;
		wil_dbg_misc(wil, "FW retry_short: %d\n", retry_short);
	}
}

void wil_refresh_fw_capabilities(struct wil6210_priv *wil)
{
	struct wiphy *wiphy = wil_to_wiphy(wil);
	int features;

	wil->keep_radio_on_during_sleep =
		test_bit(WIL_PLATFORM_CAPA_RADIO_ON_IN_SUSPEND,
			 wil->platform_capa) &&
		test_bit(WMI_FW_CAPABILITY_D3_SUSPEND, wil->fw_capabilities);

	wil_info(wil, "keep_radio_on_during_sleep (%d)\n",
		 wil->keep_radio_on_during_sleep);

	if (test_bit(WMI_FW_CAPABILITY_RSSI_REPORTING, wil->fw_capabilities))
		wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
	else
		wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;

	if (test_bit(WMI_FW_CAPABILITY_PNO, wil->fw_capabilities)) {
		wiphy->max_sched_scan_reqs = 1;
		wiphy->max_sched_scan_ssids = WMI_MAX_PNO_SSID_NUM;
		wiphy->max_match_sets = WMI_MAX_PNO_SSID_NUM;
		wiphy->max_sched_scan_ie_len = WMI_MAX_IE_LEN;
		wiphy->max_sched_scan_plans = WMI_MAX_PLANS_NUM;
	}

	if (test_bit(WMI_FW_CAPABILITY_TX_REQ_EXT, wil->fw_capabilities))
		wiphy->flags |= WIPHY_FLAG_OFFCHAN_TX;

	if (wil->platform_ops.set_features) {
		features = (test_bit(WMI_FW_CAPABILITY_REF_CLOCK_CONTROL,
				     wil->fw_capabilities) &&
			    test_bit(WIL_PLATFORM_CAPA_EXT_CLK,
				     wil->platform_capa)) ?
			BIT(WIL_PLATFORM_FEATURE_FW_EXT_CLK_CONTROL) : 0;

		if (wil->n_msi == 3)
			features |= BIT(WIL_PLATFORM_FEATURE_TRIPLE_MSI);

		wil->platform_ops.set_features(wil->platform_handle, features);
	}

	if (test_bit(WMI_FW_CAPABILITY_BACK_WIN_SIZE_64,
		     wil->fw_capabilities)) {
		wil->max_agg_wsize = WIL_MAX_AGG_WSIZE_64;
		wil->max_ampdu_size = WIL_MAX_AMPDU_SIZE_128;
	} else {
		wil->max_agg_wsize = WIL_MAX_AGG_WSIZE;
		wil->max_ampdu_size = WIL_MAX_AMPDU_SIZE;
	}

	update_supported_bands(wil);
}

void wil_mbox_ring_le2cpus(struct wil6210_mbox_ring *r)
{
	le32_to_cpus(&r->base);
	le16_to_cpus(&r->entry_size);
	le16_to_cpus(&r->size);
	le32_to_cpus(&r->tail);
	le32_to_cpus(&r->head);
}

/* construct actual board file name to use */
void wil_get_board_file(struct wil6210_priv *wil, char *buf, size_t len)
{
	const char *board_file;
	const char *wil_talyn_fw_name = ftm_mode ? WIL_FW_NAME_FTM_TALYN :
			      WIL_FW_NAME_TALYN;

	if (wil->board_file) {
		board_file = wil->board_file;
	} else {
		/* If specific FW file is used for Talyn,
		 * use specific board file
		 */
		if (strcmp(wil->wil_fw_name, wil_talyn_fw_name) == 0)
			board_file = WIL_BRD_NAME_TALYN;
		else
			board_file = WIL_BOARD_FILE_NAME;
	}

	strlcpy(buf, board_file, len);
}

static int wil_get_bl_info(struct wil6210_priv *wil)
{
	struct net_device *ndev = wil->main_ndev;
	struct wiphy *wiphy = wil_to_wiphy(wil);
	union {
		struct bl_dedicated_registers_v0 bl0;
		struct bl_dedicated_registers_v1 bl1;
	} bl;
	u32 bl_ver;
	u8 *mac;
	u16 rf_status;

	wil_memcpy_fromio_32(&bl, wil->csr + HOSTADDR(RGF_USER_BL),
			     sizeof(bl));
	bl_ver = le32_to_cpu(bl.bl0.boot_loader_struct_version);
	mac = bl.bl0.mac_address;

	if (bl_ver == 0) {
		le32_to_cpus(&bl.bl0.rf_type);
		le32_to_cpus(&bl.bl0.baseband_type);
		rf_status = 0; /* actually, unknown */
		wil_info(wil,
			 "Boot Loader struct v%d: MAC = %pM RF = 0x%08x bband = 0x%08x\n",
			 bl_ver, mac,
			 bl.bl0.rf_type, bl.bl0.baseband_type);
		wil_info(wil, "Boot Loader build unknown for struct v0\n");
	} else {
		le16_to_cpus(&bl.bl1.rf_type);
		rf_status = le16_to_cpu(bl.bl1.rf_status);
		le32_to_cpus(&bl.bl1.baseband_type);
		le16_to_cpus(&bl.bl1.bl_version_subminor);
		le16_to_cpus(&bl.bl1.bl_version_build);
		wil_info(wil,
			 "Boot Loader struct v%d: MAC = %pM RF = 0x%04x (status 0x%04x) bband = 0x%08x\n",
			 bl_ver, mac,
			 bl.bl1.rf_type, rf_status,
			 bl.bl1.baseband_type);
		wil_info(wil, "Boot Loader build %d.%d.%d.%d\n",
			 bl.bl1.bl_version_major, bl.bl1.bl_version_minor,
			 bl.bl1.bl_version_subminor, bl.bl1.bl_version_build);
	}

	if (!is_valid_ether_addr(mac)) {
		wil_err(wil, "BL: Invalid MAC %pM\n", mac);
		return -EINVAL;
	}

	ether_addr_copy(ndev->perm_addr, mac);
	ether_addr_copy(wiphy->perm_addr, mac);
	if (!is_valid_ether_addr(ndev->dev_addr))
		ether_addr_copy(ndev->dev_addr, mac);

	if (rf_status) {/* bad RF cable? */
		wil_err(wil, "RF communication error 0x%04x",
			rf_status);
		return -EAGAIN;
	}

	return 0;
}

static void wil_bl_crash_info(struct wil6210_priv *wil, bool is_err)
{
	u32 bl_assert_code, bl_assert_blink, bl_magic_number;
	u32 bl_ver = wil_r(wil, RGF_USER_BL +
			   offsetof(struct bl_dedicated_registers_v0,
				    boot_loader_struct_version));

	if (bl_ver < 2)
		return;

	bl_assert_code = wil_r(wil, RGF_USER_BL +
			       offsetof(struct bl_dedicated_registers_v1,
					bl_assert_code));
	bl_assert_blink = wil_r(wil, RGF_USER_BL +
				offsetof(struct bl_dedicated_registers_v1,
					 bl_assert_blink));
	bl_magic_number = wil_r(wil, RGF_USER_BL +
				offsetof(struct bl_dedicated_registers_v1,
					 bl_magic_number));

	if (is_err) {
		wil_err(wil,
			"BL assert code 0x%08x blink 0x%08x magic 0x%08x\n",
			bl_assert_code, bl_assert_blink, bl_magic_number);
	} else {
		wil_dbg_misc(wil,
			     "BL assert code 0x%08x blink 0x%08x magic 0x%08x\n",
			     bl_assert_code, bl_assert_blink, bl_magic_number);
	}
}

static int wil_get_otp_info(struct wil6210_priv *wil)
{
	struct net_device *ndev = wil->main_ndev;
	struct wiphy *wiphy = wil_to_wiphy(wil);
	u8 mac[8];
	int mac_addr;

	/* OEM MAC has precedence */
	mac_addr = RGF_OTP_OEM_MAC;
	wil_memcpy_fromio_32(mac, wil->csr + HOSTADDR(mac_addr), sizeof(mac));

	if (is_valid_ether_addr(mac)) {
		wil_info(wil, "using OEM MAC %pM\n", mac);
	} else {
		if (wil->hw_version >= HW_VER_TALYN_MB)
			mac_addr = RGF_OTP_MAC_TALYN_MB;
		else
			mac_addr = RGF_OTP_MAC;

		wil_memcpy_fromio_32(mac, wil->csr + HOSTADDR(mac_addr),
				     sizeof(mac));
	}

	if (!is_valid_ether_addr(mac)) {
		wil_err(wil, "Invalid MAC %pM\n", mac);
		return -EINVAL;
	}

	ether_addr_copy(ndev->perm_addr, mac);
	ether_addr_copy(wiphy->perm_addr, mac);
	if (!is_valid_ether_addr(ndev->dev_addr))
		ether_addr_copy(ndev->dev_addr, mac);

	return 0;
}

static int wil_wait_for_fw_ready(struct wil6210_priv *wil)
{
	ulong to = msecs_to_jiffies(2000);
	ulong left = wait_for_completion_timeout(&wil->wmi_ready, to);

	if (0 == left) {
		wil_err(wil, "Firmware not ready\n");
		return -ETIME;
	} else {
		wil_info(wil, "FW ready after %d ms. HW version 0x%08x\n",
			 jiffies_to_msecs(to-left), wil->hw_version);
	}
	return 0;
}

void wil_abort_scan(struct wil6210_vif *vif, bool sync)
{
	struct wil6210_priv *wil = vif_to_wil(vif);
	int rc;
	struct cfg80211_scan_info info = {
		.aborted = true,
	};

	lockdep_assert_held(&wil->vif_mutex);

	if (!vif->scan_request)
		return;

	wil_dbg_misc(wil, "Abort scan_request 0x%p\n", vif->scan_request);
	del_timer_sync(&vif->scan_timer);
	mutex_unlock(&wil->vif_mutex);
	rc = wmi_abort_scan(vif);
	if (!rc && sync)
		wait_event_interruptible_timeout(wil->wq, !vif->scan_request,
						 msecs_to_jiffies(
						 WAIT_FOR_SCAN_ABORT_MS));

	mutex_lock(&wil->vif_mutex);
	if (vif->scan_request) {
		cfg80211_scan_done(vif->scan_request, &info);
		vif->scan_request = NULL;
	}
}

void wil_abort_scan_all_vifs(struct wil6210_priv *wil, bool sync)
{
	int i;

	lockdep_assert_held(&wil->vif_mutex);

	for (i = 0; i < GET_MAX_VIFS(wil); i++) {
		struct wil6210_vif *vif = wil->vifs[i];

		if (vif)
			wil_abort_scan(vif, sync);
	}
}

int wil_ps_update(struct wil6210_priv *wil, enum wmi_ps_profile_type ps_profile)
{
	int rc;

	if (!test_bit(WMI_FW_CAPABILITY_PS_CONFIG, wil->fw_capabilities)) {
		wil_err(wil, "set_power_mgmt not supported\n");
		return -EOPNOTSUPP;
	}

	rc  = wmi_ps_dev_profile_cfg(wil, ps_profile);
	if (rc)
		wil_err(wil, "wmi_ps_dev_profile_cfg failed (%d)\n", rc);
	else
		wil->ps_profile = ps_profile;

	return rc;
}

static void wil_pre_fw_config(struct wil6210_priv *wil)
{
	wil_clear_fw_log_addr(wil);
	/* Mark FW as loaded from host */
	wil_s(wil, RGF_USER_USAGE_6, 1);

	/* clear any interrupts which on-card-firmware
	 * may have set
	 */
	wil6210_clear_irq(wil);
	/* CAF_ICR - clear and mask */
	/* it is W1C, clear by writing back same value */
	if (wil->hw_version < HW_VER_TALYN_MB) {
		wil_s(wil, RGF_CAF_ICR + offsetof(struct RGF_ICR, ICR), 0);
		wil_w(wil, RGF_CAF_ICR + offsetof(struct RGF_ICR, IMV), ~0);
	}
	/* clear PAL_UNIT_ICR (potential D0->D3 leftover)
	 * In Talyn-MB host cannot access this register due to
	 * access control, hence PAL_UNIT_ICR is cleared by the FW
	 */
	if (wil->hw_version < HW_VER_TALYN_MB)
		wil_s(wil, RGF_PAL_UNIT_ICR + offsetof(struct RGF_ICR, ICR),
		      0);

	if (wil->fw_calib_result > 0) {
		__le32 val = cpu_to_le32(wil->fw_calib_result |
						(CALIB_RESULT_SIGNATURE << 8));
		wil_w(wil, RGF_USER_FW_CALIB_RESULT, (u32 __force)val);
	}
}

static int wil_restore_vifs(struct wil6210_priv *wil)
{
	struct wil6210_vif *vif;
	struct net_device *ndev;
	struct wireless_dev *wdev;
	int i, rc;

	for (i = 0; i < GET_MAX_VIFS(wil); i++) {
		vif = wil->vifs[i];
		if (!vif)
			continue;
		vif->ap_isolate = 0;
		if (vif->mid) {
			ndev = vif_to_ndev(vif);
			wdev = vif_to_wdev(vif);
			rc = wmi_port_allocate(wil, vif->mid, ndev->dev_addr,
					       wdev->iftype);
			if (rc) {
				wil_err(wil, "fail to restore VIF %d type %d, rc %d\n",
					i, wdev->iftype, rc);
				return rc;
			}
		}
	}

	return 0;
}

/*
 * Clear FW and ucode log start addr to indicate FW log is not ready. The host
 * driver clears the addresses before FW starts and FW initializes the address
 * when it is ready to send logs.
 */
void wil_clear_fw_log_addr(struct wil6210_priv *wil)
{
	/* FW log addr */
	wil_w(wil, RGF_USER_USAGE_1, 0);
	/* ucode log addr */
	wil_w(wil, RGF_USER_USAGE_2, 0);
	wil_dbg_misc(wil, "Cleared FW and ucode log address");
}

/*
 * We reset all the structures, and we reset the UMAC.
 * After calling this routine, you're expected to reload
 * the firmware.
 */
int wil_reset(struct wil6210_priv *wil, bool load_fw)
{
	int rc, i;
	unsigned long status_flags = BIT(wil_status_resetting);
	int no_flash;
	struct wil6210_vif *vif;

	wil_dbg_misc(wil, "reset\n");

	WARN_ON(!mutex_is_locked(&wil->mutex));
	WARN_ON(test_bit(wil_status_napi_en, wil->status));

	if (debug_fw) {
		static const u8 mac[ETH_ALEN] = {
			0x00, 0xde, 0xad, 0x12, 0x34, 0x56,
		};
		struct net_device *ndev = wil->main_ndev;

		ether_addr_copy(ndev->perm_addr, mac);
		ether_addr_copy(ndev->dev_addr, ndev->perm_addr);
		return 0;
	}

	if (wil->hw_version == HW_VER_UNKNOWN)
		return -ENODEV;

	if (test_bit(WIL_PLATFORM_CAPA_T_PWR_ON_0, wil->platform_capa) &&
	    wil->hw_version < HW_VER_TALYN_MB) {
		wil_dbg_misc(wil, "Notify FW to set T_POWER_ON=0\n");
		wil_s(wil, RGF_USER_USAGE_8, BIT_USER_SUPPORT_T_POWER_ON_0);
	}

	if (test_bit(WIL_PLATFORM_CAPA_EXT_CLK, wil->platform_capa)) {
		wil_dbg_misc(wil, "Notify FW on ext clock configuration\n");
		wil_s(wil, RGF_USER_USAGE_8, BIT_USER_EXT_CLK);
	}

	if (wil->platform_ops.notify) {
		rc = wil->platform_ops.notify(wil->platform_handle,
					      WIL_PLATFORM_EVT_PRE_RESET);
		if (rc)
			wil_err(wil, "PRE_RESET platform notify failed, rc %d\n",
				rc);
	}

	set_bit(wil_status_resetting, wil->status);
	mutex_lock(&wil->vif_mutex);
	wil_abort_scan_all_vifs(wil, false);
	mutex_unlock(&wil->vif_mutex);

	for (i = 0; i < GET_MAX_VIFS(wil); i++) {
		vif = wil->vifs[i];
		if (vif) {
			cancel_work_sync(&vif->disconnect_worker);
			wil6210_disconnect(vif, NULL,
					   WLAN_REASON_DEAUTH_LEAVING);
			vif->ptk_rekey_state = WIL_REKEY_IDLE;
		}
	}
	wil_bcast_fini_all(wil);

	/* Disable device led before reset*/
	wmi_led_cfg(wil, false);

	/* prevent NAPI from being scheduled and prevent wmi commands */
	mutex_lock(&wil->wmi_mutex);
	if (test_bit(wil_status_suspending, wil->status))
		status_flags |= BIT(wil_status_suspending);
	bitmap_and(wil->status, wil->status, &status_flags,
		   wil_status_last);
	wil_dbg_misc(wil, "wil->status (0x%lx)\n", *wil->status);
	mutex_unlock(&wil->wmi_mutex);

	wil_mask_irq(wil);

	wmi_event_flush(wil);

	flush_workqueue(wil->wq_service);
	flush_workqueue(wil->wmi_wq);

	no_flash = test_bit(hw_capa_no_flash, wil->hw_capa);
	if (!no_flash)
		wil_bl_crash_info(wil, false);
	wil_disable_irq(wil);
	rc = wil_target_reset(wil, no_flash);
	wil6210_clear_irq(wil);
	wil_enable_irq(wil);
	wil->txrx_ops.rx_fini(wil);
	wil->txrx_ops.tx_fini(wil);
	if (rc) {
		if (!no_flash)
			wil_bl_crash_info(wil, true);
		goto out;
	}

	if (no_flash) {
		rc = wil_get_otp_info(wil);
	} else {
		rc = wil_get_bl_info(wil);
		if (rc == -EAGAIN && !load_fw)
			/* ignore RF error if not going up */
			rc = 0;
	}
	if (rc)
		goto out;

	wil_set_oob_mode(wil, oob_mode);
	if (load_fw) {
		char board_file[WIL_BOARD_FILE_MAX_NAMELEN];

		if  (wil->secured_boot) {
			wil_err(wil, "secured boot is not supported\n");
			return -ENOTSUPP;
		}

		board_file[0] = '\0';
		wil_get_board_file(wil, board_file, sizeof(board_file));
		wil_info(wil, "Use firmware <%s> + board <%s>\n",
			 wil->wil_fw_name, board_file);

		if (!no_flash)
			wil_bl_prepare_halt(wil);

		wil_halt_cpu(wil);
		memset(wil->fw_version, 0, sizeof(wil->fw_version));
		/* Loading f/w from the file */
		rc = wil_request_firmware(wil, wil->wil_fw_name, true);
		if (rc)
			goto out;
		if (wil->num_of_brd_entries)
			rc = wil_request_board(wil, board_file);
		else
			rc = wil_request_firmware(wil, board_file, true);
		if (rc)
			goto out;

		wil_pre_fw_config(wil);
		wil_release_cpu(wil);
	}

	/* init after reset */
	reinit_completion(&wil->wmi_ready);
	reinit_completion(&wil->wmi_call);
	reinit_completion(&wil->halp.comp);

	clear_bit(wil_status_resetting, wil->status);

	if (load_fw) {
		wil_unmask_irq(wil);

		/* we just started MAC, wait for FW ready */
		rc = wil_wait_for_fw_ready(wil);
		if (rc)
			return rc;

		/* check FW is responsive */
		rc = wmi_echo(wil);
		if (rc) {
			wil_err(wil, "wmi_echo failed, rc %d\n", rc);
			return rc;
		}

		wil->txrx_ops.configure_interrupt_moderation(wil);

		/* Enable OFU rdy valid bug fix, to prevent hang in oful34_rx
		 * while there is back-pressure from Host during RX
		 */
		if (wil->hw_version >= HW_VER_TALYN_MB)
			wil_s(wil, RGF_DMA_MISC_CTL,
			      BIT_OFUL34_RDY_VALID_BUG_FIX_EN);

		rc = wil_restore_vifs(wil);
		if (rc) {
			wil_err(wil, "failed to restore vifs, rc %d\n", rc);
			return rc;
		}

		wil_collect_fw_info(wil);

		if (wil->ps_profile != WMI_PS_PROFILE_TYPE_DEFAULT)
			wil_ps_update(wil, wil->ps_profile);

		if (wil->platform_ops.notify) {
			rc = wil->platform_ops.notify(wil->platform_handle,
						      WIL_PLATFORM_EVT_FW_RDY);
			if (rc) {
				wil_err(wil, "FW_RDY notify failed, rc %d\n",
					rc);
				rc = 0;
			}
		}
	}

	return rc;

out:
	clear_bit(wil_status_resetting, wil->status);
	return rc;
}

void wil_fw_error_recovery(struct wil6210_priv *wil)
{
	wil_dbg_misc(wil, "starting fw error recovery\n");

	if (test_bit(wil_status_resetting, wil->status)) {
		wil_info(wil, "Reset already in progress\n");
		return;
	}

	wil->recovery_state = fw_recovery_pending;
	schedule_work(&wil->fw_error_worker);
}

int __wil_up(struct wil6210_priv *wil)
{
	struct net_device *ndev = wil->main_ndev;
	struct wireless_dev *wdev = ndev->ieee80211_ptr;
	int rc;

	WARN_ON(!mutex_is_locked(&wil->mutex));

	down_write(&wil->mem_lock);
	rc = wil_reset(wil, true);
	up_write(&wil->mem_lock);
	if (rc)
		return rc;

	/* Rx RING. After MAC and beacon */
	if (rx_ring_order == 0)
		rx_ring_order = wil->hw_version < HW_VER_TALYN_MB ?
			WIL_RX_RING_SIZE_ORDER_DEFAULT :
			WIL_RX_RING_SIZE_ORDER_TALYN_DEFAULT;

	rc = wil->txrx_ops.rx_init(wil, rx_ring_order);
	if (rc)
		return rc;

	rc = wil->txrx_ops.tx_init(wil);
	if (rc)
		return rc;

	switch (wdev->iftype) {
	case NL80211_IFTYPE_STATION:
		wil_dbg_misc(wil, "type: STATION\n");
		ndev->type = ARPHRD_ETHER;
		break;
	case NL80211_IFTYPE_AP:
		wil_dbg_misc(wil, "type: AP\n");
		ndev->type = ARPHRD_ETHER;
		break;
	case NL80211_IFTYPE_P2P_CLIENT:
		wil_dbg_misc(wil, "type: P2P_CLIENT\n");
		ndev->type = ARPHRD_ETHER;
		break;
	case NL80211_IFTYPE_P2P_GO:
		wil_dbg_misc(wil, "type: P2P_GO\n");
		ndev->type = ARPHRD_ETHER;
		break;
	case NL80211_IFTYPE_MONITOR:
		wil_dbg_misc(wil, "type: Monitor\n");
		ndev->type = ARPHRD_IEEE80211_RADIOTAP;
		/* ARPHRD_IEEE80211 or ARPHRD_IEEE80211_RADIOTAP ? */
		break;
	default:
		return -EOPNOTSUPP;
	}

	/* MAC address - pre-requisite for other commands */
	wmi_set_mac_address(wil, ndev->dev_addr);

	wil_dbg_misc(wil, "NAPI enable\n");
	napi_enable(&wil->napi_rx);
	napi_enable(&wil->napi_tx);
	set_bit(wil_status_napi_en, wil->status);

	wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS);

	return 0;
}

int wil_up(struct wil6210_priv *wil)
{
	int rc;

	wil_dbg_misc(wil, "up\n");

	mutex_lock(&wil->mutex);
	rc = __wil_up(wil);
	mutex_unlock(&wil->mutex);

	return rc;
}

int __wil_down(struct wil6210_priv *wil)
{
	int rc;
	WARN_ON(!mutex_is_locked(&wil->mutex));

	set_bit(wil_status_resetting, wil->status);

	wil6210_bus_request(wil, 0);

	wil_disable_irq(wil);
	if (test_and_clear_bit(wil_status_napi_en, wil->status)) {
		napi_disable(&wil->napi_rx);
		napi_disable(&wil->napi_tx);
		wil_dbg_misc(wil, "NAPI disable\n");
	}
	wil_enable_irq(wil);

	mutex_lock(&wil->vif_mutex);
	wil_p2p_stop_radio_operations(wil);
	wil_abort_scan_all_vifs(wil, false);
	mutex_unlock(&wil->vif_mutex);

	down_write(&wil->mem_lock);
	rc = wil_reset(wil, false);
	up_write(&wil->mem_lock);

	return rc;
}

int wil_down(struct wil6210_priv *wil)
{
	int rc;

	wil_dbg_misc(wil, "down\n");

	wil_set_recovery_state(wil, fw_recovery_idle);
	mutex_lock(&wil->mutex);
	rc = __wil_down(wil);
	mutex_unlock(&wil->mutex);

	return rc;
}

int wil_find_cid(struct wil6210_priv *wil, u8 mid, const u8 *mac)
{
	int i;
	int rc = -ENOENT;

	for (i = 0; i < wil->max_assoc_sta; i++) {
		if (wil->sta[i].mid == mid &&
		    wil->sta[i].status != wil_sta_unused &&
		    ether_addr_equal(wil->sta[i].addr, mac)) {
			rc = i;
			break;
		}
	}

	return rc;
}

void wil_halp_vote(struct wil6210_priv *wil)
{
	unsigned long rc;
	unsigned long to_jiffies = msecs_to_jiffies(WAIT_FOR_HALP_VOTE_MS);

	if (wil->hw_version >= HW_VER_TALYN_MB)
		return;

	mutex_lock(&wil->halp.lock);

	wil_dbg_irq(wil, "halp_vote: start, HALP ref_cnt (%d)\n",
		    wil->halp.ref_cnt);

	if (++wil->halp.ref_cnt == 1) {
		reinit_completion(&wil->halp.comp);
		/* mark to IRQ context to handle HALP ICR */
		wil->halp.handle_icr = true;
		wil6210_set_halp(wil);
		rc = wait_for_completion_timeout(&wil->halp.comp, to_jiffies);
		if (!rc) {
			wil_err(wil, "HALP vote timed out\n");
			/* Mask HALP as done in case the interrupt is raised */
			wil->halp.handle_icr = false;
			wil6210_mask_halp(wil);
		} else {
			wil_dbg_irq(wil,
				    "halp_vote: HALP vote completed after %d ms\n",
				    jiffies_to_msecs(to_jiffies - rc));
		}
	}

	wil_dbg_irq(wil, "halp_vote: end, HALP ref_cnt (%d)\n",
		    wil->halp.ref_cnt);

	mutex_unlock(&wil->halp.lock);
}

void wil_halp_unvote(struct wil6210_priv *wil)
{
	if (wil->hw_version >= HW_VER_TALYN_MB)
		return;

	WARN_ON(wil->halp.ref_cnt == 0);

	mutex_lock(&wil->halp.lock);

	wil_dbg_irq(wil, "halp_unvote: start, HALP ref_cnt (%d)\n",
		    wil->halp.ref_cnt);

	if (--wil->halp.ref_cnt == 0) {
		wil6210_clear_halp(wil);
		wil_dbg_irq(wil, "HALP unvote\n");
	}

	wil_dbg_irq(wil, "halp_unvote:end, HALP ref_cnt (%d)\n",
		    wil->halp.ref_cnt);

	mutex_unlock(&wil->halp.lock);
}

void wil_init_txrx_ops(struct wil6210_priv *wil)
{
	if (wil->use_enhanced_dma_hw)
		wil_init_txrx_ops_edma(wil);
	else
		wil_init_txrx_ops_legacy_dma(wil);
}