summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
blob: 61618f607927d82e435183a4fe31c87c5e8d39c9 (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
// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/*
 * Copyright (C) 2012-2014, 2018-2020 Intel Corporation
 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
 * Copyright (C) 2016-2017 Intel Deutschland GmbH
 */
#include <linux/module.h>
#include <linux/vmalloc.h>
#include <net/mac80211.h>

#include "fw/notif-wait.h"
#include "iwl-trans.h"
#include "iwl-op-mode.h"
#include "fw/img.h"
#include "iwl-debug.h"
#include "iwl-drv.h"
#include "iwl-modparams.h"
#include "mvm.h"
#include "iwl-phy-db.h"
#include "iwl-eeprom-parse.h"
#include "iwl-csr.h"
#include "iwl-io.h"
#include "iwl-prph.h"
#include "rs.h"
#include "fw/api/scan.h"
#include "time-event.h"
#include "fw-api.h"
#include "fw/acpi.h"

#define DRV_DESCRIPTION	"The new Intel(R) wireless AGN driver for Linux"
MODULE_DESCRIPTION(DRV_DESCRIPTION);
MODULE_AUTHOR(DRV_AUTHOR);
MODULE_LICENSE("GPL");

static const struct iwl_op_mode_ops iwl_mvm_ops;
static const struct iwl_op_mode_ops iwl_mvm_ops_mq;

struct iwl_mvm_mod_params iwlmvm_mod_params = {
	.power_scheme = IWL_POWER_SCHEME_BPS,
	/* rest of fields are 0 by default */
};

module_param_named(init_dbg, iwlmvm_mod_params.init_dbg, bool, 0444);
MODULE_PARM_DESC(init_dbg,
		 "set to true to debug an ASSERT in INIT fw (default: false");
module_param_named(power_scheme, iwlmvm_mod_params.power_scheme, int, 0444);
MODULE_PARM_DESC(power_scheme,
		 "power management scheme: 1-active, 2-balanced, 3-low power, default: 2");

/*
 * module init and exit functions
 */
static int __init iwl_mvm_init(void)
{
	int ret;

	ret = iwl_mvm_rate_control_register();
	if (ret) {
		pr_err("Unable to register rate control algorithm: %d\n", ret);
		return ret;
	}

	ret = iwl_opmode_register("iwlmvm", &iwl_mvm_ops);
	if (ret)
		pr_err("Unable to register MVM op_mode: %d\n", ret);

	return ret;
}
module_init(iwl_mvm_init);

static void __exit iwl_mvm_exit(void)
{
	iwl_opmode_deregister("iwlmvm");
	iwl_mvm_rate_control_unregister();
}
module_exit(iwl_mvm_exit);

static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode)
{
	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
	struct iwl_trans_debug *dbg = &mvm->trans->dbg;
	u8 radio_cfg_type, radio_cfg_step, radio_cfg_dash;
	u32 reg_val = 0;
	u32 phy_config = iwl_mvm_get_phy_config(mvm);

	radio_cfg_type = (phy_config & FW_PHY_CFG_RADIO_TYPE) >>
			 FW_PHY_CFG_RADIO_TYPE_POS;
	radio_cfg_step = (phy_config & FW_PHY_CFG_RADIO_STEP) >>
			 FW_PHY_CFG_RADIO_STEP_POS;
	radio_cfg_dash = (phy_config & FW_PHY_CFG_RADIO_DASH) >>
			 FW_PHY_CFG_RADIO_DASH_POS;

	/* SKU control */
	reg_val |= CSR_HW_REV_STEP(mvm->trans->hw_rev) <<
				CSR_HW_IF_CONFIG_REG_POS_MAC_STEP;
	reg_val |= CSR_HW_REV_DASH(mvm->trans->hw_rev) <<
				CSR_HW_IF_CONFIG_REG_POS_MAC_DASH;

	/* radio configuration */
	reg_val |= radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE;
	reg_val |= radio_cfg_step << CSR_HW_IF_CONFIG_REG_POS_PHY_STEP;
	reg_val |= radio_cfg_dash << CSR_HW_IF_CONFIG_REG_POS_PHY_DASH;

	WARN_ON((radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE) &
		 ~CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE);

	/*
	 * TODO: Bits 7-8 of CSR in 8000 HW family and higher set the ADC
	 * sampling, and shouldn't be set to any non-zero value.
	 * The same is supposed to be true of the other HW, but unsetting
	 * them (such as the 7260) causes automatic tests to fail on seemingly
	 * unrelated errors. Need to further investigate this, but for now
	 * we'll separate cases.
	 */
	if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_8000)
		reg_val |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI;

	if (iwl_fw_dbg_is_d3_debug_enabled(&mvm->fwrt) ||
	    (iwl_trans_dbg_ini_valid(mvm->trans) &&
	     dbg->fw_mon_cfg[IWL_FW_INI_ALLOCATION_ID_INTERNAL].buf_location)
	    )
		reg_val |= CSR_HW_IF_CONFIG_REG_D3_DEBUG;

	iwl_trans_set_bits_mask(mvm->trans, CSR_HW_IF_CONFIG_REG,
				CSR_HW_IF_CONFIG_REG_MSK_MAC_DASH |
				CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP |
				CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE |
				CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP |
				CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH |
				CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
				CSR_HW_IF_CONFIG_REG_BIT_MAC_SI   |
				CSR_HW_IF_CONFIG_REG_D3_DEBUG,
				reg_val);

	IWL_DEBUG_INFO(mvm, "Radio type=0x%x-0x%x-0x%x\n", radio_cfg_type,
		       radio_cfg_step, radio_cfg_dash);

	/*
	 * W/A : NIC is stuck in a reset state after Early PCIe power off
	 * (PCIe power is lost before PERST# is asserted), causing ME FW
	 * to lose ownership and not being able to obtain it back.
	 */
	if (!mvm->trans->cfg->apmg_not_supported)
		iwl_set_bits_mask_prph(mvm->trans, APMG_PS_CTRL_REG,
				       APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS,
				       ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS);
}

/**
 * enum iwl_rx_handler_context context for Rx handler
 * @RX_HANDLER_SYNC : this means that it will be called in the Rx path
 *	which can't acquire mvm->mutex.
 * @RX_HANDLER_ASYNC_LOCKED : If the handler needs to hold mvm->mutex
 *	(and only in this case!), it should be set as ASYNC. In that case,
 *	it will be called from a worker with mvm->mutex held.
 * @RX_HANDLER_ASYNC_UNLOCKED : in case the handler needs to lock the
 *	mutex itself, it will be called from a worker without mvm->mutex held.
 */
enum iwl_rx_handler_context {
	RX_HANDLER_SYNC,
	RX_HANDLER_ASYNC_LOCKED,
	RX_HANDLER_ASYNC_UNLOCKED,
};

/**
 * struct iwl_rx_handlers handler for FW notification
 * @cmd_id: command id
 * @context: see &iwl_rx_handler_context
 * @fn: the function is called when notification is received
 */
struct iwl_rx_handlers {
	u16 cmd_id;
	enum iwl_rx_handler_context context;
	void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
};

#define RX_HANDLER(_cmd_id, _fn, _context)	\
	{ .cmd_id = _cmd_id, .fn = _fn, .context = _context }
#define RX_HANDLER_GRP(_grp, _cmd, _fn, _context)	\
	{ .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .context = _context }

/*
 * Handlers for fw notifications
 * Convention: RX_HANDLER(CMD_NAME, iwl_mvm_rx_CMD_NAME
 * This list should be in order of frequency for performance purposes.
 *
 * The handler can be one from three contexts, see &iwl_rx_handler_context
 */
static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = {
	RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, RX_HANDLER_SYNC),
	RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, RX_HANDLER_SYNC),

	RX_HANDLER_GRP(DATA_PATH_GROUP, TLC_MNG_UPDATE_NOTIF,
		       iwl_mvm_tlc_update_notif, RX_HANDLER_SYNC),

	RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_notif,
		   RX_HANDLER_ASYNC_LOCKED),
	RX_HANDLER(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif,
		   RX_HANDLER_ASYNC_LOCKED),
	RX_HANDLER(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics,
		   RX_HANDLER_ASYNC_LOCKED),

	RX_HANDLER(BA_WINDOW_STATUS_NOTIFICATION_ID,
		   iwl_mvm_window_status_notif, RX_HANDLER_SYNC),

	RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif,
		   RX_HANDLER_SYNC),
	RX_HANDLER_GRP(MAC_CONF_GROUP, SESSION_PROTECTION_NOTIF,
		       iwl_mvm_rx_session_protect_notif, RX_HANDLER_SYNC),
	RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc,
		   RX_HANDLER_ASYNC_LOCKED),

	RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, RX_HANDLER_SYNC),

	RX_HANDLER(SCAN_ITERATION_COMPLETE,
		   iwl_mvm_rx_lmac_scan_iter_complete_notif, RX_HANDLER_SYNC),
	RX_HANDLER(SCAN_OFFLOAD_COMPLETE,
		   iwl_mvm_rx_lmac_scan_complete_notif,
		   RX_HANDLER_ASYNC_LOCKED),
	RX_HANDLER(MATCH_FOUND_NOTIFICATION, iwl_mvm_rx_scan_match_found,
		   RX_HANDLER_SYNC),
	RX_HANDLER(SCAN_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_complete_notif,
		   RX_HANDLER_ASYNC_LOCKED),
	RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC,
		   iwl_mvm_rx_umac_scan_iter_complete_notif, RX_HANDLER_SYNC),

	RX_HANDLER(CARD_STATE_NOTIFICATION, iwl_mvm_rx_card_state_notif,
		   RX_HANDLER_SYNC),

	RX_HANDLER(MISSED_BEACONS_NOTIFICATION, iwl_mvm_rx_missed_beacons_notif,
		   RX_HANDLER_SYNC),

	RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, RX_HANDLER_SYNC),
	RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION,
		   iwl_mvm_power_uapsd_misbehaving_ap_notif, RX_HANDLER_SYNC),
	RX_HANDLER(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif,
		   RX_HANDLER_ASYNC_LOCKED),
	RX_HANDLER_GRP(PHY_OPS_GROUP, DTS_MEASUREMENT_NOTIF_WIDE,
		       iwl_mvm_temp_notif, RX_HANDLER_ASYNC_UNLOCKED),
	RX_HANDLER_GRP(PHY_OPS_GROUP, CT_KILL_NOTIFICATION,
		       iwl_mvm_ct_kill_notif, RX_HANDLER_SYNC),

	RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif,
		   RX_HANDLER_ASYNC_LOCKED),
	RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif,
		   RX_HANDLER_SYNC),
	RX_HANDLER_GRP(LOCATION_GROUP, TOF_RESPONDER_STATS,
		       iwl_mvm_ftm_responder_stats, RX_HANDLER_ASYNC_LOCKED),

	RX_HANDLER_GRP(LOCATION_GROUP, TOF_RANGE_RESPONSE_NOTIF,
		       iwl_mvm_ftm_range_resp, RX_HANDLER_ASYNC_LOCKED),
	RX_HANDLER_GRP(LOCATION_GROUP, TOF_LC_NOTIF,
		       iwl_mvm_ftm_lc_notif, RX_HANDLER_ASYNC_LOCKED),

	RX_HANDLER_GRP(DEBUG_GROUP, MFU_ASSERT_DUMP_NTF,
		       iwl_mvm_mfu_assert_dump_notif, RX_HANDLER_SYNC),
	RX_HANDLER_GRP(PROT_OFFLOAD_GROUP, STORED_BEACON_NTF,
		       iwl_mvm_rx_stored_beacon_notif, RX_HANDLER_SYNC),
	RX_HANDLER_GRP(DATA_PATH_GROUP, MU_GROUP_MGMT_NOTIF,
		       iwl_mvm_mu_mimo_grp_notif, RX_HANDLER_SYNC),
	RX_HANDLER_GRP(DATA_PATH_GROUP, STA_PM_NOTIF,
		       iwl_mvm_sta_pm_notif, RX_HANDLER_SYNC),
	RX_HANDLER_GRP(MAC_CONF_GROUP, PROBE_RESPONSE_DATA_NOTIF,
		       iwl_mvm_probe_resp_data_notif,
		       RX_HANDLER_ASYNC_LOCKED),
	RX_HANDLER_GRP(MAC_CONF_GROUP, CHANNEL_SWITCH_NOA_NOTIF,
		       iwl_mvm_channel_switch_noa_notif,
		       RX_HANDLER_SYNC),
};
#undef RX_HANDLER
#undef RX_HANDLER_GRP

/* Please keep this array *SORTED* by hex value.
 * Access is done through binary search
 */
static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = {
	HCMD_NAME(UCODE_ALIVE_NTFY),
	HCMD_NAME(REPLY_ERROR),
	HCMD_NAME(ECHO_CMD),
	HCMD_NAME(INIT_COMPLETE_NOTIF),
	HCMD_NAME(PHY_CONTEXT_CMD),
	HCMD_NAME(DBG_CFG),
	HCMD_NAME(SCAN_CFG_CMD),
	HCMD_NAME(SCAN_REQ_UMAC),
	HCMD_NAME(SCAN_ABORT_UMAC),
	HCMD_NAME(SCAN_COMPLETE_UMAC),
	HCMD_NAME(BA_WINDOW_STATUS_NOTIFICATION_ID),
	HCMD_NAME(ADD_STA_KEY),
	HCMD_NAME(ADD_STA),
	HCMD_NAME(REMOVE_STA),
	HCMD_NAME(FW_GET_ITEM_CMD),
	HCMD_NAME(TX_CMD),
	HCMD_NAME(SCD_QUEUE_CFG),
	HCMD_NAME(TXPATH_FLUSH),
	HCMD_NAME(MGMT_MCAST_KEY),
	HCMD_NAME(WEP_KEY),
	HCMD_NAME(SHARED_MEM_CFG),
	HCMD_NAME(TDLS_CHANNEL_SWITCH_CMD),
	HCMD_NAME(MAC_CONTEXT_CMD),
	HCMD_NAME(TIME_EVENT_CMD),
	HCMD_NAME(TIME_EVENT_NOTIFICATION),
	HCMD_NAME(BINDING_CONTEXT_CMD),
	HCMD_NAME(TIME_QUOTA_CMD),
	HCMD_NAME(NON_QOS_TX_COUNTER_CMD),
	HCMD_NAME(LEDS_CMD),
	HCMD_NAME(LQ_CMD),
	HCMD_NAME(FW_PAGING_BLOCK_CMD),
	HCMD_NAME(SCAN_OFFLOAD_REQUEST_CMD),
	HCMD_NAME(SCAN_OFFLOAD_ABORT_CMD),
	HCMD_NAME(HOT_SPOT_CMD),
	HCMD_NAME(SCAN_OFFLOAD_PROFILES_QUERY_CMD),
	HCMD_NAME(BT_COEX_UPDATE_REDUCED_TXP),
	HCMD_NAME(BT_COEX_CI),
	HCMD_NAME(PHY_CONFIGURATION_CMD),
	HCMD_NAME(CALIB_RES_NOTIF_PHY_DB),
	HCMD_NAME(PHY_DB_CMD),
	HCMD_NAME(SCAN_OFFLOAD_COMPLETE),
	HCMD_NAME(SCAN_OFFLOAD_UPDATE_PROFILES_CMD),
	HCMD_NAME(POWER_TABLE_CMD),
	HCMD_NAME(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION),
	HCMD_NAME(REPLY_THERMAL_MNG_BACKOFF),
	HCMD_NAME(DC2DC_CONFIG_CMD),
	HCMD_NAME(NVM_ACCESS_CMD),
	HCMD_NAME(BEACON_NOTIFICATION),
	HCMD_NAME(BEACON_TEMPLATE_CMD),
	HCMD_NAME(TX_ANT_CONFIGURATION_CMD),
	HCMD_NAME(BT_CONFIG),
	HCMD_NAME(STATISTICS_CMD),
	HCMD_NAME(STATISTICS_NOTIFICATION),
	HCMD_NAME(EOSP_NOTIFICATION),
	HCMD_NAME(REDUCE_TX_POWER_CMD),
	HCMD_NAME(CARD_STATE_NOTIFICATION),
	HCMD_NAME(MISSED_BEACONS_NOTIFICATION),
	HCMD_NAME(TDLS_CONFIG_CMD),
	HCMD_NAME(MAC_PM_POWER_TABLE),
	HCMD_NAME(TDLS_CHANNEL_SWITCH_NOTIFICATION),
	HCMD_NAME(MFUART_LOAD_NOTIFICATION),
	HCMD_NAME(RSS_CONFIG_CMD),
	HCMD_NAME(SCAN_ITERATION_COMPLETE_UMAC),
	HCMD_NAME(REPLY_RX_PHY_CMD),
	HCMD_NAME(REPLY_RX_MPDU_CMD),
	HCMD_NAME(BAR_FRAME_RELEASE),
	HCMD_NAME(FRAME_RELEASE),
	HCMD_NAME(BA_NOTIF),
	HCMD_NAME(MCC_UPDATE_CMD),
	HCMD_NAME(MCC_CHUB_UPDATE_CMD),
	HCMD_NAME(MARKER_CMD),
	HCMD_NAME(BT_PROFILE_NOTIFICATION),
	HCMD_NAME(BCAST_FILTER_CMD),
	HCMD_NAME(MCAST_FILTER_CMD),
	HCMD_NAME(REPLY_SF_CFG_CMD),
	HCMD_NAME(REPLY_BEACON_FILTERING_CMD),
	HCMD_NAME(D3_CONFIG_CMD),
	HCMD_NAME(PROT_OFFLOAD_CONFIG_CMD),
	HCMD_NAME(OFFLOADS_QUERY_CMD),
	HCMD_NAME(REMOTE_WAKE_CONFIG_CMD),
	HCMD_NAME(MATCH_FOUND_NOTIFICATION),
	HCMD_NAME(DTS_MEASUREMENT_NOTIFICATION),
	HCMD_NAME(WOWLAN_PATTERNS),
	HCMD_NAME(WOWLAN_CONFIGURATION),
	HCMD_NAME(WOWLAN_TSC_RSC_PARAM),
	HCMD_NAME(WOWLAN_TKIP_PARAM),
	HCMD_NAME(WOWLAN_KEK_KCK_MATERIAL),
	HCMD_NAME(WOWLAN_GET_STATUSES),
	HCMD_NAME(SCAN_ITERATION_COMPLETE),
	HCMD_NAME(D0I3_END_CMD),
	HCMD_NAME(LTR_CONFIG),
	HCMD_NAME(LDBG_CONFIG_CMD),
};

/* Please keep this array *SORTED* by hex value.
 * Access is done through binary search
 */
static const struct iwl_hcmd_names iwl_mvm_system_names[] = {
	HCMD_NAME(SHARED_MEM_CFG_CMD),
	HCMD_NAME(INIT_EXTENDED_CFG_CMD),
	HCMD_NAME(FW_ERROR_RECOVERY_CMD),
};

/* Please keep this array *SORTED* by hex value.
 * Access is done through binary search
 */
static const struct iwl_hcmd_names iwl_mvm_mac_conf_names[] = {
	HCMD_NAME(CHANNEL_SWITCH_TIME_EVENT_CMD),
	HCMD_NAME(SESSION_PROTECTION_CMD),
	HCMD_NAME(SESSION_PROTECTION_NOTIF),
	HCMD_NAME(CHANNEL_SWITCH_NOA_NOTIF),
};

/* Please keep this array *SORTED* by hex value.
 * Access is done through binary search
 */
static const struct iwl_hcmd_names iwl_mvm_phy_names[] = {
	HCMD_NAME(CMD_DTS_MEASUREMENT_TRIGGER_WIDE),
	HCMD_NAME(CTDP_CONFIG_CMD),
	HCMD_NAME(TEMP_REPORTING_THRESHOLDS_CMD),
	HCMD_NAME(GEO_TX_POWER_LIMIT),
	HCMD_NAME(CT_KILL_NOTIFICATION),
	HCMD_NAME(DTS_MEASUREMENT_NOTIF_WIDE),
};

/* Please keep this array *SORTED* by hex value.
 * Access is done through binary search
 */
static const struct iwl_hcmd_names iwl_mvm_data_path_names[] = {
	HCMD_NAME(DQA_ENABLE_CMD),
	HCMD_NAME(UPDATE_MU_GROUPS_CMD),
	HCMD_NAME(TRIGGER_RX_QUEUES_NOTIF_CMD),
	HCMD_NAME(STA_HE_CTXT_CMD),
	HCMD_NAME(RFH_QUEUE_CONFIG_CMD),
	HCMD_NAME(TLC_MNG_CONFIG_CMD),
	HCMD_NAME(CHEST_COLLECTOR_FILTER_CONFIG_CMD),
	HCMD_NAME(STA_PM_NOTIF),
	HCMD_NAME(MU_GROUP_MGMT_NOTIF),
	HCMD_NAME(RX_QUEUES_NOTIFICATION),
};

/* Please keep this array *SORTED* by hex value.
 * Access is done through binary search
 */
static const struct iwl_hcmd_names iwl_mvm_location_names[] = {
	HCMD_NAME(TOF_RANGE_REQ_CMD),
	HCMD_NAME(TOF_CONFIG_CMD),
	HCMD_NAME(TOF_RANGE_ABORT_CMD),
	HCMD_NAME(TOF_RANGE_REQ_EXT_CMD),
	HCMD_NAME(TOF_RESPONDER_CONFIG_CMD),
	HCMD_NAME(TOF_RESPONDER_DYN_CONFIG_CMD),
	HCMD_NAME(TOF_LC_NOTIF),
	HCMD_NAME(TOF_RESPONDER_STATS),
	HCMD_NAME(TOF_MCSI_DEBUG_NOTIF),
	HCMD_NAME(TOF_RANGE_RESPONSE_NOTIF),
};

/* Please keep this array *SORTED* by hex value.
 * Access is done through binary search
 */
static const struct iwl_hcmd_names iwl_mvm_prot_offload_names[] = {
	HCMD_NAME(STORED_BEACON_NTF),
};

/* Please keep this array *SORTED* by hex value.
 * Access is done through binary search
 */
static const struct iwl_hcmd_names iwl_mvm_regulatory_and_nvm_names[] = {
	HCMD_NAME(NVM_ACCESS_COMPLETE),
	HCMD_NAME(NVM_GET_INFO),
	HCMD_NAME(TAS_CONFIG),
};

static const struct iwl_hcmd_arr iwl_mvm_groups[] = {
	[LEGACY_GROUP] = HCMD_ARR(iwl_mvm_legacy_names),
	[LONG_GROUP] = HCMD_ARR(iwl_mvm_legacy_names),
	[SYSTEM_GROUP] = HCMD_ARR(iwl_mvm_system_names),
	[MAC_CONF_GROUP] = HCMD_ARR(iwl_mvm_mac_conf_names),
	[PHY_OPS_GROUP] = HCMD_ARR(iwl_mvm_phy_names),
	[DATA_PATH_GROUP] = HCMD_ARR(iwl_mvm_data_path_names),
	[LOCATION_GROUP] = HCMD_ARR(iwl_mvm_location_names),
	[PROT_OFFLOAD_GROUP] = HCMD_ARR(iwl_mvm_prot_offload_names),
	[REGULATORY_AND_NVM_GROUP] =
		HCMD_ARR(iwl_mvm_regulatory_and_nvm_names),
};

/* this forward declaration can avoid to export the function */
static void iwl_mvm_async_handlers_wk(struct work_struct *wk);

static u32 iwl_mvm_min_backoff(struct iwl_mvm *mvm)
{
	const struct iwl_pwr_tx_backoff *backoff = mvm->cfg->pwr_tx_backoffs;
	u64 dflt_pwr_limit;

	if (!backoff)
		return 0;

	dflt_pwr_limit = iwl_acpi_get_pwr_limit(mvm->dev);

	while (backoff->pwr) {
		if (dflt_pwr_limit >= backoff->pwr)
			return backoff->backoff;

		backoff++;
	}

	return 0;
}

static void iwl_mvm_tx_unblock_dwork(struct work_struct *work)
{
	struct iwl_mvm *mvm =
		container_of(work, struct iwl_mvm, cs_tx_unblock_dwork.work);
	struct ieee80211_vif *tx_blocked_vif;
	struct iwl_mvm_vif *mvmvif;

	mutex_lock(&mvm->mutex);

	tx_blocked_vif =
		rcu_dereference_protected(mvm->csa_tx_blocked_vif,
					  lockdep_is_held(&mvm->mutex));

	if (!tx_blocked_vif)
		goto unlock;

	mvmvif = iwl_mvm_vif_from_mac80211(tx_blocked_vif);
	iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false);
	RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL);
unlock:
	mutex_unlock(&mvm->mutex);
}

static int iwl_mvm_fwrt_dump_start(void *ctx)
{
	struct iwl_mvm *mvm = ctx;

	mutex_lock(&mvm->mutex);

	return 0;
}

static void iwl_mvm_fwrt_dump_end(void *ctx)
{
	struct iwl_mvm *mvm = ctx;

	mutex_unlock(&mvm->mutex);
}

static bool iwl_mvm_fwrt_fw_running(void *ctx)
{
	return iwl_mvm_firmware_running(ctx);
}

static int iwl_mvm_fwrt_send_hcmd(void *ctx, struct iwl_host_cmd *host_cmd)
{
	struct iwl_mvm *mvm = (struct iwl_mvm *)ctx;
	int ret;

	mutex_lock(&mvm->mutex);
	ret = iwl_mvm_send_cmd(mvm, host_cmd);
	mutex_unlock(&mvm->mutex);

	return ret;
}

static bool iwl_mvm_d3_debug_enable(void *ctx)
{
	return IWL_MVM_D3_DEBUG;
}

static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = {
	.dump_start = iwl_mvm_fwrt_dump_start,
	.dump_end = iwl_mvm_fwrt_dump_end,
	.fw_running = iwl_mvm_fwrt_fw_running,
	.send_hcmd = iwl_mvm_fwrt_send_hcmd,
	.d3_debug_enable = iwl_mvm_d3_debug_enable,
};

static struct iwl_op_mode *
iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
		      const struct iwl_fw *fw, struct dentry *dbgfs_dir)
{
	struct ieee80211_hw *hw;
	struct iwl_op_mode *op_mode;
	struct iwl_mvm *mvm;
	struct iwl_trans_config trans_cfg = {};
	static const u8 no_reclaim_cmds[] = {
		TX_CMD,
	};
	int err, scan_size;
	u32 min_backoff;
	enum iwl_amsdu_size rb_size_default;

	/*
	 * We use IWL_MVM_STATION_COUNT_MAX to check the validity of the station
	 * index all over the driver - check that its value corresponds to the
	 * array size.
	 */
	BUILD_BUG_ON(ARRAY_SIZE(mvm->fw_id_to_mac_id) !=
		     IWL_MVM_STATION_COUNT_MAX);

	/********************************
	 * 1. Allocating and configuring HW data
	 ********************************/
	hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) +
				sizeof(struct iwl_mvm),
				&iwl_mvm_hw_ops);
	if (!hw)
		return NULL;

	hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;

	if (cfg->max_tx_agg_size)
		hw->max_tx_aggregation_subframes = cfg->max_tx_agg_size;
	else
		hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;

	op_mode = hw->priv;

	mvm = IWL_OP_MODE_GET_MVM(op_mode);
	mvm->dev = trans->dev;
	mvm->trans = trans;
	mvm->cfg = cfg;
	mvm->fw = fw;
	mvm->hw = hw;

	iwl_fw_runtime_init(&mvm->fwrt, trans, fw, &iwl_mvm_fwrt_ops, mvm,
			    dbgfs_dir);

	mvm->init_status = 0;

	if (iwl_mvm_has_new_rx_api(mvm)) {
		op_mode->ops = &iwl_mvm_ops_mq;
		trans->rx_mpdu_cmd_hdr_size =
			(trans->trans_cfg->device_family >=
			 IWL_DEVICE_FAMILY_AX210) ?
			sizeof(struct iwl_rx_mpdu_desc) :
			IWL_RX_DESC_SIZE_V1;
	} else {
		op_mode->ops = &iwl_mvm_ops;
		trans->rx_mpdu_cmd_hdr_size =
			sizeof(struct iwl_rx_mpdu_res_start);

		if (WARN_ON(trans->num_rx_queues > 1))
			goto out_free;
	}

	mvm->fw_restart = iwlwifi_mod_params.fw_restart ? -1 : 0;

	mvm->aux_queue = IWL_MVM_DQA_AUX_QUEUE;
	mvm->snif_queue = IWL_MVM_DQA_INJECT_MONITOR_QUEUE;
	mvm->probe_queue = IWL_MVM_DQA_AP_PROBE_RESP_QUEUE;
	mvm->p2p_dev_queue = IWL_MVM_DQA_P2P_DEVICE_QUEUE;

	mvm->sf_state = SF_UNINIT;
	if (iwl_mvm_has_unified_ucode(mvm))
		iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_REGULAR);
	else
		iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_INIT);
	mvm->drop_bcn_ap_mode = true;

	mutex_init(&mvm->mutex);
	spin_lock_init(&mvm->async_handlers_lock);
	INIT_LIST_HEAD(&mvm->time_event_list);
	INIT_LIST_HEAD(&mvm->aux_roc_te_list);
	INIT_LIST_HEAD(&mvm->async_handlers_list);
	spin_lock_init(&mvm->time_event_lock);
	INIT_LIST_HEAD(&mvm->ftm_initiator.loc_list);
	INIT_LIST_HEAD(&mvm->ftm_initiator.pasn_list);
	INIT_LIST_HEAD(&mvm->resp_pasn_list);

	INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk);
	INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk);
	INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work);
	INIT_DELAYED_WORK(&mvm->scan_timeout_dwork, iwl_mvm_scan_timeout_wk);
	INIT_WORK(&mvm->add_stream_wk, iwl_mvm_add_new_dqa_stream_wk);
	INIT_LIST_HEAD(&mvm->add_stream_txqs);

	init_waitqueue_head(&mvm->rx_sync_waitq);

	mvm->queue_sync_state = 0;

	SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev);

	spin_lock_init(&mvm->tcm.lock);
	INIT_DELAYED_WORK(&mvm->tcm.work, iwl_mvm_tcm_work);
	mvm->tcm.ts = jiffies;
	mvm->tcm.ll_ts = jiffies;
	mvm->tcm.uapsd_nonagg_ts = jiffies;

	INIT_DELAYED_WORK(&mvm->cs_tx_unblock_dwork, iwl_mvm_tx_unblock_dwork);

	mvm->cmd_ver.d0i3_resp =
		iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP, D0I3_END_CMD,
					0);
	/* we only support version 1 */
	if (WARN_ON_ONCE(mvm->cmd_ver.d0i3_resp > 1))
		goto out_free;

	mvm->cmd_ver.range_resp =
		iwl_fw_lookup_notif_ver(mvm->fw, LOCATION_GROUP,
					TOF_RANGE_RESPONSE_NOTIF, 5);
	/* we only support up to version 8 */
	if (WARN_ON_ONCE(mvm->cmd_ver.range_resp > 8))
		goto out_free;

	/*
	 * Populate the state variables that the transport layer needs
	 * to know about.
	 */
	trans_cfg.op_mode = op_mode;
	trans_cfg.no_reclaim_cmds = no_reclaim_cmds;
	trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds);

	if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210)
		rb_size_default = IWL_AMSDU_2K;
	else
		rb_size_default = IWL_AMSDU_4K;

	switch (iwlwifi_mod_params.amsdu_size) {
	case IWL_AMSDU_DEF:
		trans_cfg.rx_buf_size = rb_size_default;
		break;
	case IWL_AMSDU_4K:
		trans_cfg.rx_buf_size = IWL_AMSDU_4K;
		break;
	case IWL_AMSDU_8K:
		trans_cfg.rx_buf_size = IWL_AMSDU_8K;
		break;
	case IWL_AMSDU_12K:
		trans_cfg.rx_buf_size = IWL_AMSDU_12K;
		break;
	default:
		pr_err("%s: Unsupported amsdu_size: %d\n", KBUILD_MODNAME,
		       iwlwifi_mod_params.amsdu_size);
		trans_cfg.rx_buf_size = rb_size_default;
	}

	trans->wide_cmd_header = true;
	trans_cfg.bc_table_dword =
		mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210;

	trans_cfg.command_groups = iwl_mvm_groups;
	trans_cfg.command_groups_size = ARRAY_SIZE(iwl_mvm_groups);

	trans_cfg.cmd_queue = IWL_MVM_DQA_CMD_QUEUE;
	trans_cfg.cmd_fifo = IWL_MVM_TX_FIFO_CMD;
	trans_cfg.scd_set_active = true;

	trans_cfg.cb_data_offs = offsetof(struct ieee80211_tx_info,
					  driver_data[2]);

	/* Set a short watchdog for the command queue */
	trans_cfg.cmd_q_wdg_timeout =
		iwl_mvm_get_wd_timeout(mvm, NULL, false, true);

	snprintf(mvm->hw->wiphy->fw_version,
		 sizeof(mvm->hw->wiphy->fw_version),
		 "%s", fw->fw_version);

	trans_cfg.fw_reset_handshake = fw_has_capa(&mvm->fw->ucode_capa,
						   IWL_UCODE_TLV_CAPA_FW_RESET_HANDSHAKE);

	/* Configure transport layer */
	iwl_trans_configure(mvm->trans, &trans_cfg);

	trans->rx_mpdu_cmd = REPLY_RX_MPDU_CMD;
	trans->dbg.dest_tlv = mvm->fw->dbg.dest_tlv;
	trans->dbg.n_dest_reg = mvm->fw->dbg.n_dest_reg;
	memcpy(trans->dbg.conf_tlv, mvm->fw->dbg.conf_tlv,
	       sizeof(trans->dbg.conf_tlv));
	trans->dbg.trigger_tlv = mvm->fw->dbg.trigger_tlv;

	trans->iml = mvm->fw->iml;
	trans->iml_len = mvm->fw->iml_len;

	/* set up notification wait support */
	iwl_notification_wait_init(&mvm->notif_wait);

	/* Init phy db */
	mvm->phy_db = iwl_phy_db_init(trans);
	if (!mvm->phy_db) {
		IWL_ERR(mvm, "Cannot init phy_db\n");
		goto out_free;
	}

	IWL_INFO(mvm, "Detected %s, REV=0x%X\n",
		 mvm->trans->name, mvm->trans->hw_rev);

	if (iwlwifi_mod_params.nvm_file)
		mvm->nvm_file_name = iwlwifi_mod_params.nvm_file;
	else
		IWL_DEBUG_EEPROM(mvm->trans->dev,
				 "working without external nvm file\n");

	err = iwl_trans_start_hw(mvm->trans);
	if (err)
		goto out_free;

	mutex_lock(&mvm->mutex);
	err = iwl_run_init_mvm_ucode(mvm);
	if (err && err != -ERFKILL)
		iwl_fw_dbg_error_collect(&mvm->fwrt, FW_DBG_TRIGGER_DRIVER);
	if (!iwlmvm_mod_params.init_dbg || !err)
		iwl_mvm_stop_device(mvm);
	mutex_unlock(&mvm->mutex);
	if (err < 0) {
		IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", err);
		goto out_free;
	}

	scan_size = iwl_mvm_scan_size(mvm);

	mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL);
	if (!mvm->scan_cmd)
		goto out_free;

	/* invalidate ids to prevent accidental removal of sta_id 0 */
	mvm->aux_sta.sta_id = IWL_MVM_INVALID_STA;
	mvm->snif_sta.sta_id = IWL_MVM_INVALID_STA;

	/* Set EBS as successful as long as not stated otherwise by the FW. */
	mvm->last_ebs_successful = true;

	err = iwl_mvm_mac_setup_register(mvm);
	if (err)
		goto out_free;
	mvm->hw_registered = true;

	min_backoff = iwl_mvm_min_backoff(mvm);
	iwl_mvm_thermal_initialize(mvm, min_backoff);

	iwl_mvm_dbgfs_register(mvm, dbgfs_dir);

	if (!iwl_mvm_has_new_rx_stats_api(mvm))
		memset(&mvm->rx_stats_v3, 0,
		       sizeof(struct mvm_statistics_rx_v3));
	else
		memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx));

	iwl_mvm_toggle_tx_ant(mvm, &mvm->mgmt_last_antenna_idx);

	return op_mode;

 out_free:
	iwl_fw_flush_dumps(&mvm->fwrt);
	iwl_fw_runtime_free(&mvm->fwrt);

	if (iwlmvm_mod_params.init_dbg)
		return op_mode;
	iwl_phy_db_free(mvm->phy_db);
	kfree(mvm->scan_cmd);
	iwl_trans_op_mode_leave(trans);

	ieee80211_free_hw(mvm->hw);
	return NULL;
}

void iwl_mvm_stop_device(struct iwl_mvm *mvm)
{
	lockdep_assert_held(&mvm->mutex);

	iwl_fw_cancel_timestamp(&mvm->fwrt);

	clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);

	iwl_fw_dbg_stop_sync(&mvm->fwrt);
	iwl_trans_stop_device(mvm->trans);
	iwl_free_fw_paging(&mvm->fwrt);
	iwl_fw_dump_conf_clear(&mvm->fwrt);
}

static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode)
{
	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
	int i;

	iwl_mvm_leds_exit(mvm);

	iwl_mvm_thermal_exit(mvm);

	ieee80211_unregister_hw(mvm->hw);

	kfree(mvm->scan_cmd);
	kfree(mvm->mcast_filter_cmd);
	mvm->mcast_filter_cmd = NULL;

	kfree(mvm->error_recovery_buf);
	mvm->error_recovery_buf = NULL;

	iwl_trans_op_mode_leave(mvm->trans);

	iwl_phy_db_free(mvm->phy_db);
	mvm->phy_db = NULL;

	kfree(mvm->nvm_data);
	for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++)
		kfree(mvm->nvm_sections[i].data);

	cancel_delayed_work_sync(&mvm->tcm.work);

	iwl_fw_runtime_free(&mvm->fwrt);
	mutex_destroy(&mvm->mutex);

	ieee80211_free_hw(mvm->hw);
}

struct iwl_async_handler_entry {
	struct list_head list;
	struct iwl_rx_cmd_buffer rxb;
	enum iwl_rx_handler_context context;
	void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
};

void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm)
{
	struct iwl_async_handler_entry *entry, *tmp;

	spin_lock_bh(&mvm->async_handlers_lock);
	list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) {
		iwl_free_rxb(&entry->rxb);
		list_del(&entry->list);
		kfree(entry);
	}
	spin_unlock_bh(&mvm->async_handlers_lock);
}

static void iwl_mvm_async_handlers_wk(struct work_struct *wk)
{
	struct iwl_mvm *mvm =
		container_of(wk, struct iwl_mvm, async_handlers_wk);
	struct iwl_async_handler_entry *entry, *tmp;
	LIST_HEAD(local_list);

	/* Ensure that we are not in stop flow (check iwl_mvm_mac_stop) */

	/*
	 * Sync with Rx path with a lock. Remove all the entries from this list,
	 * add them to a local one (lock free), and then handle them.
	 */
	spin_lock_bh(&mvm->async_handlers_lock);
	list_splice_init(&mvm->async_handlers_list, &local_list);
	spin_unlock_bh(&mvm->async_handlers_lock);

	list_for_each_entry_safe(entry, tmp, &local_list, list) {
		if (entry->context == RX_HANDLER_ASYNC_LOCKED)
			mutex_lock(&mvm->mutex);
		entry->fn(mvm, &entry->rxb);
		iwl_free_rxb(&entry->rxb);
		list_del(&entry->list);
		if (entry->context == RX_HANDLER_ASYNC_LOCKED)
			mutex_unlock(&mvm->mutex);
		kfree(entry);
	}
}

static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm,
					    struct iwl_rx_packet *pkt)
{
	struct iwl_fw_dbg_trigger_tlv *trig;
	struct iwl_fw_dbg_trigger_cmd *cmds_trig;
	int i;

	trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, NULL,
				     FW_DBG_TRIGGER_FW_NOTIF);
	if (!trig)
		return;

	cmds_trig = (void *)trig->data;

	for (i = 0; i < ARRAY_SIZE(cmds_trig->cmds); i++) {
		/* don't collect on CMD 0 */
		if (!cmds_trig->cmds[i].cmd_id)
			break;

		if (cmds_trig->cmds[i].cmd_id != pkt->hdr.cmd ||
		    cmds_trig->cmds[i].group_id != pkt->hdr.group_id)
			continue;

		iwl_fw_dbg_collect_trig(&mvm->fwrt, trig,
					"CMD 0x%02x.%02x received",
					pkt->hdr.group_id, pkt->hdr.cmd);
		break;
	}
}

static void iwl_mvm_rx_common(struct iwl_mvm *mvm,
			      struct iwl_rx_cmd_buffer *rxb,
			      struct iwl_rx_packet *pkt)
{
	int i;
	union iwl_dbg_tlv_tp_data tp_data = { .fw_pkt = pkt };

	iwl_dbg_tlv_time_point(&mvm->fwrt,
			       IWL_FW_INI_TIME_POINT_FW_RSP_OR_NOTIF, &tp_data);
	iwl_mvm_rx_check_trigger(mvm, pkt);

	/*
	 * Do the notification wait before RX handlers so
	 * even if the RX handler consumes the RXB we have
	 * access to it in the notification wait entry.
	 */
	iwl_notification_wait_notify(&mvm->notif_wait, pkt);

	for (i = 0; i < ARRAY_SIZE(iwl_mvm_rx_handlers); i++) {
		const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i];
		struct iwl_async_handler_entry *entry;

		if (rx_h->cmd_id != WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd))
			continue;

		if (rx_h->context == RX_HANDLER_SYNC) {
			rx_h->fn(mvm, rxb);
			return;
		}

		entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
		/* we can't do much... */
		if (!entry)
			return;

		entry->rxb._page = rxb_steal_page(rxb);
		entry->rxb._offset = rxb->_offset;
		entry->rxb._rx_page_order = rxb->_rx_page_order;
		entry->fn = rx_h->fn;
		entry->context = rx_h->context;
		spin_lock(&mvm->async_handlers_lock);
		list_add_tail(&entry->list, &mvm->async_handlers_list);
		spin_unlock(&mvm->async_handlers_lock);
		schedule_work(&mvm->async_handlers_wk);
		break;
	}
}

static void iwl_mvm_rx(struct iwl_op_mode *op_mode,
		       struct napi_struct *napi,
		       struct iwl_rx_cmd_buffer *rxb)
{
	struct iwl_rx_packet *pkt = rxb_addr(rxb);
	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
	u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);

	if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
		iwl_mvm_rx_rx_mpdu(mvm, napi, rxb);
	else if (cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_PHY_CMD))
		iwl_mvm_rx_rx_phy_cmd(mvm, rxb);
	else
		iwl_mvm_rx_common(mvm, rxb, pkt);
}

static void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode,
			  struct napi_struct *napi,
			  struct iwl_rx_cmd_buffer *rxb)
{
	struct iwl_rx_packet *pkt = rxb_addr(rxb);
	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
	u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);

	if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
		iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, 0);
	else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP,
					 RX_QUEUES_NOTIFICATION)))
		iwl_mvm_rx_queue_notif(mvm, napi, rxb, 0);
	else if (cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE))
		iwl_mvm_rx_frame_release(mvm, napi, rxb, 0);
	else if (cmd == WIDE_ID(LEGACY_GROUP, BAR_FRAME_RELEASE))
		iwl_mvm_rx_bar_frame_release(mvm, napi, rxb, 0);
	else if (cmd == WIDE_ID(DATA_PATH_GROUP, RX_NO_DATA_NOTIF))
		iwl_mvm_rx_monitor_no_data(mvm, napi, rxb, 0);
	else
		iwl_mvm_rx_common(mvm, rxb, pkt);
}

static void iwl_mvm_async_cb(struct iwl_op_mode *op_mode,
			     const struct iwl_device_cmd *cmd)
{
	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);

	/*
	 * For now, we only set the CMD_WANT_ASYNC_CALLBACK for ADD_STA
	 * commands that need to block the Tx queues.
	 */
	iwl_trans_block_txq_ptrs(mvm->trans, false);
}

static int iwl_mvm_is_static_queue(struct iwl_mvm *mvm, int queue)
{
	return queue == mvm->aux_queue || queue == mvm->probe_queue ||
		queue == mvm->p2p_dev_queue || queue == mvm->snif_queue;
}

static void iwl_mvm_queue_state_change(struct iwl_op_mode *op_mode,
				       int hw_queue, bool start)
{
	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
	struct ieee80211_sta *sta;
	struct ieee80211_txq *txq;
	struct iwl_mvm_txq *mvmtxq;
	int i;
	unsigned long tid_bitmap;
	struct iwl_mvm_sta *mvmsta;
	u8 sta_id;

	sta_id = iwl_mvm_has_new_tx_api(mvm) ?
		mvm->tvqm_info[hw_queue].sta_id :
		mvm->queue_info[hw_queue].ra_sta_id;

	if (WARN_ON_ONCE(sta_id >= mvm->fw->ucode_capa.num_stations))
		return;

	rcu_read_lock();

	sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
	if (IS_ERR_OR_NULL(sta))
		goto out;
	mvmsta = iwl_mvm_sta_from_mac80211(sta);

	if (iwl_mvm_is_static_queue(mvm, hw_queue)) {
		if (!start)
			ieee80211_stop_queues(mvm->hw);
		else if (mvmsta->sta_state != IEEE80211_STA_NOTEXIST)
			ieee80211_wake_queues(mvm->hw);

		goto out;
	}

	if (iwl_mvm_has_new_tx_api(mvm)) {
		int tid = mvm->tvqm_info[hw_queue].txq_tid;

		tid_bitmap = BIT(tid);
	} else {
		tid_bitmap = mvm->queue_info[hw_queue].tid_bitmap;
	}

	for_each_set_bit(i, &tid_bitmap, IWL_MAX_TID_COUNT + 1) {
		int tid = i;

		if (tid == IWL_MAX_TID_COUNT)
			tid = IEEE80211_NUM_TIDS;

		txq = sta->txq[tid];
		mvmtxq = iwl_mvm_txq_from_mac80211(txq);
		mvmtxq->stopped = !start;

		if (start && mvmsta->sta_state != IEEE80211_STA_NOTEXIST)
			iwl_mvm_mac_itxq_xmit(mvm->hw, txq);
	}

out:
	rcu_read_unlock();
}

static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int hw_queue)
{
	iwl_mvm_queue_state_change(op_mode, hw_queue, false);
}

static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int hw_queue)
{
	iwl_mvm_queue_state_change(op_mode, hw_queue, true);
}

static void iwl_mvm_set_rfkill_state(struct iwl_mvm *mvm)
{
	bool state = iwl_mvm_is_radio_killed(mvm);

	if (state)
		wake_up(&mvm->rx_sync_waitq);

	wiphy_rfkill_set_hw_state(mvm->hw->wiphy, state);
}

void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state)
{
	if (state)
		set_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
	else
		clear_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);

	iwl_mvm_set_rfkill_state(mvm);
}

static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state)
{
	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
	bool rfkill_safe_init_done = READ_ONCE(mvm->rfkill_safe_init_done);
	bool unified = iwl_mvm_has_unified_ucode(mvm);

	if (state)
		set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
	else
		clear_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);

	iwl_mvm_set_rfkill_state(mvm);

	 /* iwl_run_init_mvm_ucode is waiting for results, abort it. */
	if (rfkill_safe_init_done)
		iwl_abort_notification_waits(&mvm->notif_wait);

	/*
	 * Don't ask the transport to stop the firmware. We'll do it
	 * after cfg80211 takes us down.
	 */
	if (unified)
		return false;

	/*
	 * Stop the device if we run OPERATIONAL firmware or if we are in the
	 * middle of the calibrations.
	 */
	return state && rfkill_safe_init_done;
}

static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb)
{
	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
	struct ieee80211_tx_info *info;

	info = IEEE80211_SKB_CB(skb);
	iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]);
	ieee80211_free_txskb(mvm->hw, skb);
}

struct iwl_mvm_reprobe {
	struct device *dev;
	struct work_struct work;
};

static void iwl_mvm_reprobe_wk(struct work_struct *wk)
{
	struct iwl_mvm_reprobe *reprobe;

	reprobe = container_of(wk, struct iwl_mvm_reprobe, work);
	if (device_reprobe(reprobe->dev))
		dev_err(reprobe->dev, "reprobe failed!\n");
	put_device(reprobe->dev);
	kfree(reprobe);
	module_put(THIS_MODULE);
}

void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error)
{
	iwl_abort_notification_waits(&mvm->notif_wait);
	iwl_dbg_tlv_del_timers(mvm->trans);

	/*
	 * This is a bit racy, but worst case we tell mac80211 about
	 * a stopped/aborted scan when that was already done which
	 * is not a problem. It is necessary to abort any os scan
	 * here because mac80211 requires having the scan cleared
	 * before restarting.
	 * We'll reset the scan_status to NONE in restart cleanup in
	 * the next start() call from mac80211. If restart isn't called
	 * (no fw restart) scan status will stay busy.
	 */
	iwl_mvm_report_scan_aborted(mvm);

	/*
	 * If we're restarting already, don't cycle restarts.
	 * If INIT fw asserted, it will likely fail again.
	 * If WoWLAN fw asserted, don't restart either, mac80211
	 * can't recover this since we're already half suspended.
	 */
	if (!mvm->fw_restart && fw_error) {
		iwl_fw_error_collect(&mvm->fwrt);
	} else if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
		struct iwl_mvm_reprobe *reprobe;

		IWL_ERR(mvm,
			"Firmware error during reconfiguration - reprobe!\n");

		/*
		 * get a module reference to avoid doing this while unloading
		 * anyway and to avoid scheduling a work with code that's
		 * being removed.
		 */
		if (!try_module_get(THIS_MODULE)) {
			IWL_ERR(mvm, "Module is being unloaded - abort\n");
			return;
		}

		reprobe = kzalloc(sizeof(*reprobe), GFP_ATOMIC);
		if (!reprobe) {
			module_put(THIS_MODULE);
			return;
		}
		reprobe->dev = get_device(mvm->trans->dev);
		INIT_WORK(&reprobe->work, iwl_mvm_reprobe_wk);
		schedule_work(&reprobe->work);
	} else if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED,
			    &mvm->status)) {
		IWL_ERR(mvm, "HW restart already requested, but not started\n");
	} else if (mvm->fwrt.cur_fw_img == IWL_UCODE_REGULAR &&
		   mvm->hw_registered &&
		   !test_bit(STATUS_TRANS_DEAD, &mvm->trans->status)) {
		/* This should be first thing before trying to collect any
		 * data to avoid endless loops if any HW error happens while
		 * collecting debug data.
		 */
		set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status);

		if (mvm->fw->ucode_capa.error_log_size) {
			u32 src_size = mvm->fw->ucode_capa.error_log_size;
			u32 src_addr = mvm->fw->ucode_capa.error_log_addr;
			u8 *recover_buf = kzalloc(src_size, GFP_ATOMIC);

			if (recover_buf) {
				mvm->error_recovery_buf = recover_buf;
				iwl_trans_read_mem_bytes(mvm->trans,
							 src_addr,
							 recover_buf,
							 src_size);
			}
		}

		iwl_fw_error_collect(&mvm->fwrt);

		if (fw_error && mvm->fw_restart > 0)
			mvm->fw_restart--;
		ieee80211_restart_hw(mvm->hw);
	}
}

static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode)
{
	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);

	if (!test_bit(STATUS_TRANS_DEAD, &mvm->trans->status))
		iwl_mvm_dump_nic_error_log(mvm);

	iwl_mvm_nic_restart(mvm, true);
}

static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode)
{
	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);

	WARN_ON(1);
	iwl_mvm_nic_restart(mvm, true);
}

#define IWL_MVM_COMMON_OPS					\
	/* these could be differentiated */			\
	.async_cb = iwl_mvm_async_cb,				\
	.queue_full = iwl_mvm_stop_sw_queue,			\
	.queue_not_full = iwl_mvm_wake_sw_queue,		\
	.hw_rf_kill = iwl_mvm_set_hw_rfkill_state,		\
	.free_skb = iwl_mvm_free_skb,				\
	.nic_error = iwl_mvm_nic_error,				\
	.cmd_queue_full = iwl_mvm_cmd_queue_full,		\
	.nic_config = iwl_mvm_nic_config,			\
	/* as we only register one, these MUST be common! */	\
	.start = iwl_op_mode_mvm_start,				\
	.stop = iwl_op_mode_mvm_stop

static const struct iwl_op_mode_ops iwl_mvm_ops = {
	IWL_MVM_COMMON_OPS,
	.rx = iwl_mvm_rx,
};

static void iwl_mvm_rx_mq_rss(struct iwl_op_mode *op_mode,
			      struct napi_struct *napi,
			      struct iwl_rx_cmd_buffer *rxb,
			      unsigned int queue)
{
	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
	struct iwl_rx_packet *pkt = rxb_addr(rxb);
	u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);

	if (unlikely(cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE)))
		iwl_mvm_rx_frame_release(mvm, napi, rxb, queue);
	else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP,
					 RX_QUEUES_NOTIFICATION)))
		iwl_mvm_rx_queue_notif(mvm, napi, rxb, queue);
	else if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
		iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, queue);
}

static const struct iwl_op_mode_ops iwl_mvm_ops_mq = {
	IWL_MVM_COMMON_OPS,
	.rx = iwl_mvm_rx_mq,
	.rx_rss = iwl_mvm_rx_mq_rss,
};