summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c
blob: d8e858cc8dd9a71338863f1288264cc755e8536b (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
/******************************************************************************
 *
 * This file is provided under a dual BSD/GPLv2 license.  When using or
 * redistributing this file, you may do so under either license.
 *
 * GPL LICENSE SUMMARY
 *
 * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
 * USA
 *
 * The full GNU General Public License is included in this distribution
 * in the file called COPYING.
 *
 * Contact Information:
 *  Intel Linux Wireless <ilw@linux.intel.com>
 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 *
 * BSD LICENSE
 *
 * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *  * Neither the name Intel Corporation nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 *****************************************************************************/

#include <linux/etherdevice.h>
#include <net/mac80211.h>
#include "iwl-io.h"
#include "iwl-prph.h"
#include "fw-api.h"
#include "mvm.h"

const u8 iwl_mvm_ac_to_tx_fifo[] = {
	IWL_MVM_TX_FIFO_BK,
	IWL_MVM_TX_FIFO_BE,
	IWL_MVM_TX_FIFO_VI,
	IWL_MVM_TX_FIFO_VO,
};

struct iwl_mvm_mac_iface_iterator_data {
	struct iwl_mvm *mvm;
	struct ieee80211_vif *vif;
	unsigned long available_mac_ids[BITS_TO_LONGS(NUM_MAC_INDEX_DRIVER)];
	unsigned long available_tsf_ids[BITS_TO_LONGS(NUM_TSF_IDS)];
	unsigned long used_hw_queues[BITS_TO_LONGS(IWL_MVM_FIRST_AGG_QUEUE)];
	enum iwl_tsf_id preferred_tsf;
	bool found_vif;
};

static void iwl_mvm_mac_iface_iterator(void *_data, u8 *mac,
				       struct ieee80211_vif *vif)
{
	struct iwl_mvm_mac_iface_iterator_data *data = _data;
	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
	u32 ac;

	/* Iterator may already find the interface being added -- skip it */
	if (vif == data->vif) {
		data->found_vif = true;
		return;
	}

	/* Mark the queues used by the vif */
	for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
		if (vif->hw_queue[ac] != IEEE80211_INVAL_HW_QUEUE)
			__set_bit(vif->hw_queue[ac], data->used_hw_queues);

	if (vif->cab_queue != IEEE80211_INVAL_HW_QUEUE)
		__set_bit(vif->cab_queue, data->used_hw_queues);

	/*
	 * Mark MAC IDs as used by clearing the available bit, and
	 * (below) mark TSFs as used if their existing use is not
	 * compatible with the new interface type.
	 * No locking or atomic bit operations are needed since the
	 * data is on the stack of the caller function.
	 */
	__clear_bit(mvmvif->id, data->available_mac_ids);

	/*
	 * The TSF is a hardware/firmware resource, there are 4 and
	 * the driver should assign and free them as needed. However,
	 * there are cases where 2 MACs should share the same TSF ID
	 * for the purpose of clock sync, an optimization to avoid
	 * clock drift causing overlapping TBTTs/DTIMs for a GO and
	 * client in the system.
	 *
	 * The firmware will decide according to the MAC type which
	 * will be the master and slave. Clients that need to sync
	 * with a remote station will be the master, and an AP or GO
	 * will be the slave.
	 *
	 * Depending on the new interface type it can be slaved to
	 * or become the master of an existing interface.
	 */
	switch (data->vif->type) {
	case NL80211_IFTYPE_STATION:
		/*
		 * The new interface is client, so if the existing one
		 * we're iterating is an AP, the TSF should be used to
		 * avoid drift between the new client and existing AP,
		 * the existing AP will get drift updates from the new
		 * client context in this case
		 */
		if (vif->type == NL80211_IFTYPE_AP) {
			if (data->preferred_tsf == NUM_TSF_IDS &&
			    test_bit(mvmvif->tsf_id, data->available_tsf_ids))
				data->preferred_tsf = mvmvif->tsf_id;
			return;
		}
		break;
	case NL80211_IFTYPE_AP:
		/*
		 * The new interface is AP/GO, so should get drift
		 * updates from an existing client or use the same
		 * TSF as an existing GO. There's no drift between
		 * TSFs internally but if they used different TSFs
		 * then a new client MAC could update one of them
		 * and cause drift that way.
		 */
		if (vif->type == NL80211_IFTYPE_STATION ||
		    vif->type == NL80211_IFTYPE_AP) {
			if (data->preferred_tsf == NUM_TSF_IDS &&
			    test_bit(mvmvif->tsf_id, data->available_tsf_ids))
				data->preferred_tsf = mvmvif->tsf_id;
			return;
		}
		break;
	default:
		/*
		 * For all other interface types there's no need to
		 * take drift into account. Either they're exclusive
		 * like IBSS and monitor, or we don't care much about
		 * their TSF (like P2P Device), but we won't be able
		 * to share the TSF resource.
		 */
		break;
	}

	/*
	 * Unless we exited above, we can't share the TSF resource
	 * that the virtual interface we're iterating over is using
	 * with the new one, so clear the available bit and if this
	 * was the preferred one, reset that as well.
	 */
	__clear_bit(mvmvif->tsf_id, data->available_tsf_ids);

	if (data->preferred_tsf == mvmvif->tsf_id)
		data->preferred_tsf = NUM_TSF_IDS;
}

/*
 * Get the mask of the queus used by the vif
 */
u32 iwl_mvm_mac_get_queues_mask(struct iwl_mvm *mvm,
				struct ieee80211_vif *vif)
{
	u32 qmask = 0, ac;

	if (vif->type == NL80211_IFTYPE_P2P_DEVICE)
		return BIT(IWL_MVM_OFFCHANNEL_QUEUE);

	for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
		if (vif->hw_queue[ac] != IEEE80211_INVAL_HW_QUEUE)
			qmask |= BIT(vif->hw_queue[ac]);

	return qmask;
}

static int iwl_mvm_mac_ctxt_allocate_resources(struct iwl_mvm *mvm,
					       struct ieee80211_vif *vif)
{
	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
	struct iwl_mvm_mac_iface_iterator_data data = {
		.mvm = mvm,
		.vif = vif,
		.available_mac_ids = { (1 << NUM_MAC_INDEX_DRIVER) - 1 },
		.available_tsf_ids = { (1 << NUM_TSF_IDS) - 1 },
		/* no preference yet */
		.preferred_tsf = NUM_TSF_IDS,
		.used_hw_queues = {
			BIT(IWL_MVM_OFFCHANNEL_QUEUE) |
			BIT(IWL_MVM_AUX_QUEUE) |
			BIT(IWL_MVM_CMD_QUEUE)
		},
		.found_vif = false,
	};
	u32 ac;
	int ret;

	/*
	 * Allocate a MAC ID and a TSF for this MAC, along with the queues
	 * and other resources.
	 */

	/*
	 * Before the iterator, we start with all MAC IDs and TSFs available.
	 *
	 * During iteration, all MAC IDs are cleared that are in use by other
	 * virtual interfaces, and all TSF IDs are cleared that can't be used
	 * by this new virtual interface because they're used by an interface
	 * that can't share it with the new one.
	 * At the same time, we check if there's a preferred TSF in the case
	 * that we should share it with another interface.
	 */

	/* Currently, MAC ID 0 should be used only for the managed vif */
	if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
		__clear_bit(0, data.available_mac_ids);

	ieee80211_iterate_active_interfaces_atomic(
		mvm->hw, IEEE80211_IFACE_ITER_RESUME_ALL,
		iwl_mvm_mac_iface_iterator, &data);

	/*
	 * In the case we're getting here during resume, it's similar to
	 * firmware restart, and with RESUME_ALL the iterator will find
	 * the vif being added already.
	 * We don't want to reassign any IDs in either case since doing
	 * so would probably assign different IDs (as interfaces aren't
	 * necessarily added in the same order), but the old IDs were
	 * preserved anyway, so skip ID assignment for both resume and
	 * recovery.
	 */
	if (data.found_vif)
		return 0;

	/* Therefore, in recovery, we can't get here */
	WARN_ON_ONCE(test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status));

	mvmvif->id = find_first_bit(data.available_mac_ids,
				    NUM_MAC_INDEX_DRIVER);
	if (mvmvif->id == NUM_MAC_INDEX_DRIVER) {
		IWL_ERR(mvm, "Failed to init MAC context - no free ID!\n");
		ret = -EIO;
		goto exit_fail;
	}

	if (data.preferred_tsf != NUM_TSF_IDS)
		mvmvif->tsf_id = data.preferred_tsf;
	else
		mvmvif->tsf_id = find_first_bit(data.available_tsf_ids,
						NUM_TSF_IDS);
	if (mvmvif->tsf_id == NUM_TSF_IDS) {
		IWL_ERR(mvm, "Failed to init MAC context - no free TSF!\n");
		ret = -EIO;
		goto exit_fail;
	}

	mvmvif->color = 0;

	INIT_LIST_HEAD(&mvmvif->time_event_data.list);
	mvmvif->time_event_data.id = TE_MAX;

	/* No need to allocate data queues to P2P Device MAC.*/
	if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
		for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
			vif->hw_queue[ac] = IEEE80211_INVAL_HW_QUEUE;

		return 0;
	}

	/* Find available queues, and allocate them to the ACs */
	for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
		u8 queue = find_first_zero_bit(data.used_hw_queues,
					       IWL_MVM_FIRST_AGG_QUEUE);

		if (queue >= IWL_MVM_FIRST_AGG_QUEUE) {
			IWL_ERR(mvm, "Failed to allocate queue\n");
			ret = -EIO;
			goto exit_fail;
		}

		__set_bit(queue, data.used_hw_queues);
		vif->hw_queue[ac] = queue;
	}

	/* Allocate the CAB queue for softAP and GO interfaces */
	if (vif->type == NL80211_IFTYPE_AP) {
		u8 queue = find_first_zero_bit(data.used_hw_queues,
					       IWL_MVM_FIRST_AGG_QUEUE);

		if (queue >= IWL_MVM_FIRST_AGG_QUEUE) {
			IWL_ERR(mvm, "Failed to allocate cab queue\n");
			ret = -EIO;
			goto exit_fail;
		}

		vif->cab_queue = queue;
	} else {
		vif->cab_queue = IEEE80211_INVAL_HW_QUEUE;
	}

	mvmvif->bcast_sta.sta_id = IWL_MVM_STATION_COUNT;
	mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT;

	return 0;

exit_fail:
	memset(mvmvif, 0, sizeof(struct iwl_mvm_vif));
	memset(vif->hw_queue, IEEE80211_INVAL_HW_QUEUE, sizeof(vif->hw_queue));
	vif->cab_queue = IEEE80211_INVAL_HW_QUEUE;
	return ret;
}

int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
{
	u32 ac;
	int ret;

	lockdep_assert_held(&mvm->mutex);

	ret = iwl_mvm_mac_ctxt_allocate_resources(mvm, vif);
	if (ret)
		return ret;

	switch (vif->type) {
	case NL80211_IFTYPE_P2P_DEVICE:
		iwl_trans_ac_txq_enable(mvm->trans, IWL_MVM_OFFCHANNEL_QUEUE,
					IWL_MVM_TX_FIFO_VO);
		break;
	case NL80211_IFTYPE_AP:
		iwl_trans_ac_txq_enable(mvm->trans, vif->cab_queue,
					IWL_MVM_TX_FIFO_MCAST);
		/* fall through */
	default:
		for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
			iwl_trans_ac_txq_enable(mvm->trans, vif->hw_queue[ac],
						iwl_mvm_ac_to_tx_fifo[ac]);
		break;
	}

	return 0;
}

void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
{
	int ac;

	lockdep_assert_held(&mvm->mutex);

	switch (vif->type) {
	case NL80211_IFTYPE_P2P_DEVICE:
		iwl_trans_txq_disable(mvm->trans, IWL_MVM_OFFCHANNEL_QUEUE);
		break;
	case NL80211_IFTYPE_AP:
		iwl_trans_txq_disable(mvm->trans, vif->cab_queue);
		/* fall through */
	default:
		for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
			iwl_trans_txq_disable(mvm->trans, vif->hw_queue[ac]);
	}
}

static void iwl_mvm_ack_rates(struct iwl_mvm *mvm,
			      struct ieee80211_vif *vif,
			      enum ieee80211_band band,
			      u8 *cck_rates, u8 *ofdm_rates)
{
	struct ieee80211_supported_band *sband;
	unsigned long basic = vif->bss_conf.basic_rates;
	int lowest_present_ofdm = 100;
	int lowest_present_cck = 100;
	u8 cck = 0;
	u8 ofdm = 0;
	int i;

	sband = mvm->hw->wiphy->bands[band];

	for_each_set_bit(i, &basic, BITS_PER_LONG) {
		int hw = sband->bitrates[i].hw_value;
		if (hw >= IWL_FIRST_OFDM_RATE) {
			ofdm |= BIT(hw - IWL_FIRST_OFDM_RATE);
			if (lowest_present_ofdm > hw)
				lowest_present_ofdm = hw;
		} else {
			BUILD_BUG_ON(IWL_FIRST_CCK_RATE != 0);

			cck |= BIT(hw);
			if (lowest_present_cck > hw)
				lowest_present_cck = hw;
		}
	}

	/*
	 * Now we've got the basic rates as bitmaps in the ofdm and cck
	 * variables. This isn't sufficient though, as there might not
	 * be all the right rates in the bitmap. E.g. if the only basic
	 * rates are 5.5 Mbps and 11 Mbps, we still need to add 1 Mbps
	 * and 6 Mbps because the 802.11-2007 standard says in 9.6:
	 *
	 *    [...] a STA responding to a received frame shall transmit
	 *    its Control Response frame [...] at the highest rate in the
	 *    BSSBasicRateSet parameter that is less than or equal to the
	 *    rate of the immediately previous frame in the frame exchange
	 *    sequence ([...]) and that is of the same modulation class
	 *    ([...]) as the received frame. If no rate contained in the
	 *    BSSBasicRateSet parameter meets these conditions, then the
	 *    control frame sent in response to a received frame shall be
	 *    transmitted at the highest mandatory rate of the PHY that is
	 *    less than or equal to the rate of the received frame, and
	 *    that is of the same modulation class as the received frame.
	 *
	 * As a consequence, we need to add all mandatory rates that are
	 * lower than all of the basic rates to these bitmaps.
	 */

	if (IWL_RATE_24M_INDEX < lowest_present_ofdm)
		ofdm |= IWL_RATE_BIT_MSK(24) >> IWL_FIRST_OFDM_RATE;
	if (IWL_RATE_12M_INDEX < lowest_present_ofdm)
		ofdm |= IWL_RATE_BIT_MSK(12) >> IWL_FIRST_OFDM_RATE;
	/* 6M already there or needed so always add */
	ofdm |= IWL_RATE_BIT_MSK(6) >> IWL_FIRST_OFDM_RATE;

	/*
	 * CCK is a bit more complex with DSSS vs. HR/DSSS vs. ERP.
	 * Note, however:
	 *  - if no CCK rates are basic, it must be ERP since there must
	 *    be some basic rates at all, so they're OFDM => ERP PHY
	 *    (or we're in 5 GHz, and the cck bitmap will never be used)
	 *  - if 11M is a basic rate, it must be ERP as well, so add 5.5M
	 *  - if 5.5M is basic, 1M and 2M are mandatory
	 *  - if 2M is basic, 1M is mandatory
	 *  - if 1M is basic, that's the only valid ACK rate.
	 * As a consequence, it's not as complicated as it sounds, just add
	 * any lower rates to the ACK rate bitmap.
	 */
	if (IWL_RATE_11M_INDEX < lowest_present_cck)
		cck |= IWL_RATE_BIT_MSK(11) >> IWL_FIRST_CCK_RATE;
	if (IWL_RATE_5M_INDEX < lowest_present_cck)
		cck |= IWL_RATE_BIT_MSK(5) >> IWL_FIRST_CCK_RATE;
	if (IWL_RATE_2M_INDEX < lowest_present_cck)
		cck |= IWL_RATE_BIT_MSK(2) >> IWL_FIRST_CCK_RATE;
	/* 1M already there or needed so always add */
	cck |= IWL_RATE_BIT_MSK(1) >> IWL_FIRST_CCK_RATE;

	*cck_rates = cck;
	*ofdm_rates = ofdm;
}

static void iwl_mvm_mac_ctxt_cmd_common(struct iwl_mvm *mvm,
					struct ieee80211_vif *vif,
					struct iwl_mac_ctx_cmd *cmd,
					u32 action)
{
	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
	struct ieee80211_chanctx_conf *chanctx;
	u8 cck_ack_rates, ofdm_ack_rates;
	int i;

	cmd->id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
							    mvmvif->color));
	cmd->action = cpu_to_le32(action);

	switch (vif->type) {
	case NL80211_IFTYPE_STATION:
		if (vif->p2p)
			cmd->mac_type = cpu_to_le32(FW_MAC_TYPE_P2P_STA);
		else
			cmd->mac_type = cpu_to_le32(FW_MAC_TYPE_BSS_STA);
		break;
	case NL80211_IFTYPE_AP:
		cmd->mac_type = cpu_to_le32(FW_MAC_TYPE_GO);
		break;
	case NL80211_IFTYPE_MONITOR:
		cmd->mac_type = cpu_to_le32(FW_MAC_TYPE_LISTENER);
		break;
	case NL80211_IFTYPE_P2P_DEVICE:
		cmd->mac_type = cpu_to_le32(FW_MAC_TYPE_P2P_DEVICE);
		break;
	case NL80211_IFTYPE_ADHOC:
		cmd->mac_type = cpu_to_le32(FW_MAC_TYPE_IBSS);
		break;
	default:
		WARN_ON_ONCE(1);
	}

	cmd->tsf_id = cpu_to_le32(mvmvif->tsf_id);

	memcpy(cmd->node_addr, vif->addr, ETH_ALEN);
	if (vif->bss_conf.bssid)
		memcpy(cmd->bssid_addr, vif->bss_conf.bssid, ETH_ALEN);
	else
		eth_broadcast_addr(cmd->bssid_addr);

	rcu_read_lock();
	chanctx = rcu_dereference(vif->chanctx_conf);
	iwl_mvm_ack_rates(mvm, vif, chanctx ? chanctx->def.chan->band
					    : IEEE80211_BAND_2GHZ,
			  &cck_ack_rates, &ofdm_ack_rates);
	rcu_read_unlock();

	cmd->cck_rates = cpu_to_le32((u32)cck_ack_rates);
	cmd->ofdm_rates = cpu_to_le32((u32)ofdm_ack_rates);

	cmd->cck_short_preamble =
		cpu_to_le32(vif->bss_conf.use_short_preamble ?
			    MAC_FLG_SHORT_PREAMBLE : 0);
	cmd->short_slot =
		cpu_to_le32(vif->bss_conf.use_short_slot ?
			    MAC_FLG_SHORT_SLOT : 0);

	for (i = 0; i < AC_NUM; i++) {
		cmd->ac[i].cw_min = cpu_to_le16(mvmvif->queue_params[i].cw_min);
		cmd->ac[i].cw_max = cpu_to_le16(mvmvif->queue_params[i].cw_max);
		cmd->ac[i].aifsn = mvmvif->queue_params[i].aifs;
		cmd->ac[i].edca_txop =
			cpu_to_le16(mvmvif->queue_params[i].txop * 32);
		cmd->ac[i].fifos_mask = BIT(iwl_mvm_ac_to_tx_fifo[i]);
	}

	/* in AP mode, the MCAST FIFO takes the EDCA params from VO */
	if (vif->type == NL80211_IFTYPE_AP)
		cmd->ac[AC_VO].fifos_mask |= BIT(IWL_MVM_TX_FIFO_MCAST);

	if (vif->bss_conf.qos)
		cmd->qos_flags |= cpu_to_le32(MAC_QOS_FLG_UPDATE_EDCA);

	/* Don't use cts to self as the fw doesn't support it currently. */
	if (vif->bss_conf.use_cts_prot)
		cmd->protection_flags |= cpu_to_le32(MAC_PROT_FLG_TGG_PROTECT);

	/*
	 * I think that we should enable these 2 flags regardless the HT PROT
	 * fields in the HT IE, but I am not sure. Someone knows whom to ask?...
	 */
	if (vif->bss_conf.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) {
		cmd->qos_flags |= cpu_to_le32(MAC_QOS_FLG_TGN);
		cmd->protection_flags |= cpu_to_le32(MAC_PROT_FLG_HT_PROT |
						     MAC_PROT_FLG_FAT_PROT);
	}

	cmd->filter_flags = cpu_to_le32(MAC_FILTER_ACCEPT_GRP);
}

static int iwl_mvm_mac_ctxt_send_cmd(struct iwl_mvm *mvm,
				     struct iwl_mac_ctx_cmd *cmd)
{
	int ret = iwl_mvm_send_cmd_pdu(mvm, MAC_CONTEXT_CMD, CMD_SYNC,
				       sizeof(*cmd), cmd);
	if (ret)
		IWL_ERR(mvm, "Failed to send MAC context (action:%d): %d\n",
			le32_to_cpu(cmd->action), ret);
	return ret;
}

/*
 * Fill the specific data for mac context of type station or p2p client
 */
static void iwl_mvm_mac_ctxt_cmd_fill_sta(struct iwl_mvm *mvm,
					  struct ieee80211_vif *vif,
					  struct iwl_mac_data_sta *ctxt_sta,
					  bool force_assoc_off)
{
	/* We need the dtim_period to set the MAC as associated */
	if (vif->bss_conf.assoc && vif->bss_conf.dtim_period &&
	    !force_assoc_off) {
		u32 dtim_offs;

		/*
		 * The DTIM count counts down, so when it is N that means N
		 * more beacon intervals happen until the DTIM TBTT. Therefore
		 * add this to the current time. If that ends up being in the
		 * future, the firmware will handle it.
		 *
		 * Also note that the system_timestamp (which we get here as
		 * "sync_device_ts") and TSF timestamp aren't at exactly the
		 * same offset in the frame -- the TSF is at the first symbol
		 * of the TSF, the system timestamp is at signal acquisition
		 * time. This means there's an offset between them of at most
		 * a few hundred microseconds (24 * 8 bits + PLCP time gives
		 * 384us in the longest case), this is currently not relevant
		 * as the firmware wakes up around 2ms before the TBTT.
		 */
		dtim_offs = vif->bss_conf.sync_dtim_count *
				vif->bss_conf.beacon_int;
		/* convert TU to usecs */
		dtim_offs *= 1024;

		ctxt_sta->dtim_tsf =
			cpu_to_le64(vif->bss_conf.sync_tsf + dtim_offs);
		ctxt_sta->dtim_time =
			cpu_to_le32(vif->bss_conf.sync_device_ts + dtim_offs);

		IWL_DEBUG_INFO(mvm, "DTIM TBTT is 0x%llx/0x%x, offset %d\n",
			       le64_to_cpu(ctxt_sta->dtim_tsf),
			       le32_to_cpu(ctxt_sta->dtim_time),
			       dtim_offs);

		ctxt_sta->is_assoc = cpu_to_le32(1);
	} else {
		ctxt_sta->is_assoc = cpu_to_le32(0);
	}

	ctxt_sta->bi = cpu_to_le32(vif->bss_conf.beacon_int);
	ctxt_sta->bi_reciprocal =
		cpu_to_le32(iwl_mvm_reciprocal(vif->bss_conf.beacon_int));
	ctxt_sta->dtim_interval = cpu_to_le32(vif->bss_conf.beacon_int *
					      vif->bss_conf.dtim_period);
	ctxt_sta->dtim_reciprocal =
		cpu_to_le32(iwl_mvm_reciprocal(vif->bss_conf.beacon_int *
					       vif->bss_conf.dtim_period));

	ctxt_sta->listen_interval = cpu_to_le32(mvm->hw->conf.listen_interval);
	ctxt_sta->assoc_id = cpu_to_le32(vif->bss_conf.aid);
}

static int iwl_mvm_mac_ctxt_cmd_station(struct iwl_mvm *mvm,
					struct ieee80211_vif *vif,
					u32 action)
{
	struct iwl_mac_ctx_cmd cmd = {};

	WARN_ON(vif->type != NL80211_IFTYPE_STATION || vif->p2p);

	/* Fill the common data for all mac context types */
	iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, action);

	/* Allow beacons to pass through as long as we are not associated,or we
	 * do not have dtim period information */
	if (!vif->bss_conf.assoc || !vif->bss_conf.dtim_period)
		cmd.filter_flags |= cpu_to_le32(MAC_FILTER_IN_BEACON);
	else
		cmd.filter_flags &= ~cpu_to_le32(MAC_FILTER_IN_BEACON);

	/* Fill the data specific for station mode */
	iwl_mvm_mac_ctxt_cmd_fill_sta(mvm, vif, &cmd.sta,
				      action == FW_CTXT_ACTION_ADD);

	return iwl_mvm_mac_ctxt_send_cmd(mvm, &cmd);
}

static int iwl_mvm_mac_ctxt_cmd_p2p_client(struct iwl_mvm *mvm,
					   struct ieee80211_vif *vif,
					   u32 action)
{
	struct iwl_mac_ctx_cmd cmd = {};
	struct ieee80211_p2p_noa_attr *noa = &vif->bss_conf.p2p_noa_attr;

	WARN_ON(vif->type != NL80211_IFTYPE_STATION || !vif->p2p);

	/* Fill the common data for all mac context types */
	iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, action);

	/* Fill the data specific for station mode */
	iwl_mvm_mac_ctxt_cmd_fill_sta(mvm, vif, &cmd.p2p_sta.sta,
				      action == FW_CTXT_ACTION_ADD);

	cmd.p2p_sta.ctwin = cpu_to_le32(noa->oppps_ctwindow &
					IEEE80211_P2P_OPPPS_CTWINDOW_MASK);

	return iwl_mvm_mac_ctxt_send_cmd(mvm, &cmd);
}

static int iwl_mvm_mac_ctxt_cmd_listener(struct iwl_mvm *mvm,
					 struct ieee80211_vif *vif,
					 u32 action)
{
	struct iwl_mac_ctx_cmd cmd = {};

	WARN_ON(vif->type != NL80211_IFTYPE_MONITOR);

	iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, action);

	cmd.filter_flags = cpu_to_le32(MAC_FILTER_IN_PROMISC |
				       MAC_FILTER_IN_CONTROL_AND_MGMT |
				       MAC_FILTER_IN_BEACON |
				       MAC_FILTER_IN_PROBE_REQUEST);

	return iwl_mvm_mac_ctxt_send_cmd(mvm, &cmd);
}

struct iwl_mvm_go_iterator_data {
	bool go_active;
};

static void iwl_mvm_go_iterator(void *_data, u8 *mac, struct ieee80211_vif *vif)
{
	struct iwl_mvm_go_iterator_data *data = _data;
	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);

	if (vif->type == NL80211_IFTYPE_AP && vif->p2p && mvmvif->ap_active)
		data->go_active = true;
}

static int iwl_mvm_mac_ctxt_cmd_p2p_device(struct iwl_mvm *mvm,
					   struct ieee80211_vif *vif,
					   u32 action)
{
	struct iwl_mac_ctx_cmd cmd = {};
	struct iwl_mvm_go_iterator_data data = {};

	WARN_ON(vif->type != NL80211_IFTYPE_P2P_DEVICE);

	iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, action);

	cmd.protection_flags |= cpu_to_le32(MAC_PROT_FLG_TGG_PROTECT);

	/* Override the filter flags to accept only probe requests */
	cmd.filter_flags = cpu_to_le32(MAC_FILTER_IN_PROBE_REQUEST);

	/*
	 * This flag should be set to true when the P2P Device is
	 * discoverable and there is at least another active P2P GO. Settings
	 * this flag will allow the P2P Device to be discoverable on other
	 * channels in addition to its listen channel.
	 * Note that this flag should not be set in other cases as it opens the
	 * Rx filters on all MAC and increases the number of interrupts.
	 */
	ieee80211_iterate_active_interfaces_atomic(
		mvm->hw, IEEE80211_IFACE_ITER_RESUME_ALL,
		iwl_mvm_go_iterator, &data);

	cmd.p2p_dev.is_disc_extended = cpu_to_le32(data.go_active ? 1 : 0);
	return iwl_mvm_mac_ctxt_send_cmd(mvm, &cmd);
}

static void iwl_mvm_mac_ctxt_set_tim(struct iwl_mvm *mvm,
				     struct iwl_mac_beacon_cmd *beacon_cmd,
				     u8 *beacon, u32 frame_size)
{
	u32 tim_idx;
	struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)beacon;

	/* The index is relative to frame start but we start looking at the
	 * variable-length part of the beacon. */
	tim_idx = mgmt->u.beacon.variable - beacon;

	/* Parse variable-length elements of beacon to find WLAN_EID_TIM */
	while ((tim_idx < (frame_size - 2)) &&
			(beacon[tim_idx] != WLAN_EID_TIM))
		tim_idx += beacon[tim_idx+1] + 2;

	/* If TIM field was found, set variables */
	if ((tim_idx < (frame_size - 1)) && (beacon[tim_idx] == WLAN_EID_TIM)) {
		beacon_cmd->tim_idx = cpu_to_le32(tim_idx);
		beacon_cmd->tim_size = cpu_to_le32((u32)beacon[tim_idx+1]);
	} else {
		IWL_WARN(mvm, "Unable to find TIM Element in beacon\n");
	}
}

static int iwl_mvm_mac_ctxt_send_beacon(struct iwl_mvm *mvm,
					struct ieee80211_vif *vif,
					struct sk_buff *beacon)
{
	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
	struct iwl_host_cmd cmd = {
		.id = BEACON_TEMPLATE_CMD,
		.flags = CMD_ASYNC,
	};
	struct iwl_mac_beacon_cmd beacon_cmd = {};
	struct ieee80211_tx_info *info;
	u32 beacon_skb_len;
	u32 rate;

	if (WARN_ON(!beacon))
		return -EINVAL;

	beacon_skb_len = beacon->len;

	/* TODO: for now the beacon template id is set to be the mac context id.
	 * Might be better to handle it as another resource ... */
	beacon_cmd.template_id = cpu_to_le32((u32)mvmvif->id);

	/* Set up TX command fields */
	beacon_cmd.tx.len = cpu_to_le16((u16)beacon_skb_len);
	beacon_cmd.tx.sta_id = mvmvif->bcast_sta.sta_id;
	beacon_cmd.tx.life_time = cpu_to_le32(TX_CMD_LIFE_TIME_INFINITE);
	beacon_cmd.tx.tx_flags = cpu_to_le32(TX_CMD_FLG_SEQ_CTL |
					     TX_CMD_FLG_BT_DIS  |
					     TX_CMD_FLG_TSF);

	mvm->mgmt_last_antenna_idx =
		iwl_mvm_next_antenna(mvm, iwl_fw_valid_tx_ant(mvm->fw),
				     mvm->mgmt_last_antenna_idx);

	beacon_cmd.tx.rate_n_flags =
		cpu_to_le32(BIT(mvm->mgmt_last_antenna_idx) <<
			    RATE_MCS_ANT_POS);

	info = IEEE80211_SKB_CB(beacon);

	if (info->band == IEEE80211_BAND_5GHZ || vif->p2p) {
		rate = IWL_FIRST_OFDM_RATE;
	} else {
		rate = IWL_FIRST_CCK_RATE;
		beacon_cmd.tx.rate_n_flags |= cpu_to_le32(RATE_MCS_CCK_MSK);
	}
	beacon_cmd.tx.rate_n_flags |=
		cpu_to_le32(iwl_mvm_mac80211_idx_to_hwrate(rate));

	/* Set up TX beacon command fields */
	iwl_mvm_mac_ctxt_set_tim(mvm, &beacon_cmd,
				 beacon->data,
				 beacon_skb_len);

	/* Submit command */
	cmd.len[0] = sizeof(beacon_cmd);
	cmd.data[0] = &beacon_cmd;
	cmd.dataflags[0] = 0;
	cmd.len[1] = beacon_skb_len;
	cmd.data[1] = beacon->data;
	cmd.dataflags[1] = IWL_HCMD_DFL_DUP;

	return iwl_mvm_send_cmd(mvm, &cmd);
}

/* The beacon template for the AP/GO context has changed and needs update */
int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
				    struct ieee80211_vif *vif)
{
	struct sk_buff *beacon;
	int ret;

	WARN_ON(vif->type != NL80211_IFTYPE_AP);

	beacon = ieee80211_beacon_get(mvm->hw, vif);
	if (!beacon)
		return -ENOMEM;

	ret = iwl_mvm_mac_ctxt_send_beacon(mvm, vif, beacon);
	dev_kfree_skb(beacon);
	return ret;
}

/*
 * Fill the specific data for mac context of type AP of P2P GO
 */
static void iwl_mvm_mac_ctxt_cmd_fill_ap(struct iwl_mvm *mvm,
					 struct ieee80211_vif *vif,
					 struct iwl_mac_data_ap *ctxt_ap,
					 bool add)
{
	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);

	ctxt_ap->bi = cpu_to_le32(vif->bss_conf.beacon_int);
	ctxt_ap->bi_reciprocal =
		cpu_to_le32(iwl_mvm_reciprocal(vif->bss_conf.beacon_int));
	ctxt_ap->dtim_interval = cpu_to_le32(vif->bss_conf.beacon_int *
					     vif->bss_conf.dtim_period);
	ctxt_ap->dtim_reciprocal =
		cpu_to_le32(iwl_mvm_reciprocal(vif->bss_conf.beacon_int *
					       vif->bss_conf.dtim_period));

	ctxt_ap->mcast_qid = cpu_to_le32(vif->cab_queue);

	/*
	 * Only read the system time when the MAC is being added, when we
	 * just modify the MAC then we should keep the time -- the firmware
	 * can otherwise have a "jumping" TBTT.
	 */
	if (add)
		mvmvif->ap_beacon_time =
			iwl_read_prph(mvm->trans, DEVICE_SYSTEM_TIME_REG);

	ctxt_ap->beacon_time = cpu_to_le32(mvmvif->ap_beacon_time);

	ctxt_ap->beacon_tsf = 0; /* unused */

	/* TODO: Assume that the beacon id == mac context id */
	ctxt_ap->beacon_template = cpu_to_le32(mvmvif->id);
}

static int iwl_mvm_mac_ctxt_cmd_ap(struct iwl_mvm *mvm,
				   struct ieee80211_vif *vif,
				   u32 action)
{
	struct iwl_mac_ctx_cmd cmd = {};

	WARN_ON(vif->type != NL80211_IFTYPE_AP || vif->p2p);

	/* Fill the common data for all mac context types */
	iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, action);

	/* Also enable probe requests to pass */
	cmd.filter_flags |= cpu_to_le32(MAC_FILTER_IN_PROBE_REQUEST);

	/* Fill the data specific for ap mode */
	iwl_mvm_mac_ctxt_cmd_fill_ap(mvm, vif, &cmd.ap,
				     action == FW_CTXT_ACTION_ADD);

	return iwl_mvm_mac_ctxt_send_cmd(mvm, &cmd);
}

static int iwl_mvm_mac_ctxt_cmd_go(struct iwl_mvm *mvm,
				   struct ieee80211_vif *vif,
				   u32 action)
{
	struct iwl_mac_ctx_cmd cmd = {};
	struct ieee80211_p2p_noa_attr *noa = &vif->bss_conf.p2p_noa_attr;

	WARN_ON(vif->type != NL80211_IFTYPE_AP || !vif->p2p);

	/* Fill the common data for all mac context types */
	iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, action);

	/* Fill the data specific for GO mode */
	iwl_mvm_mac_ctxt_cmd_fill_ap(mvm, vif, &cmd.go.ap,
				     action == FW_CTXT_ACTION_ADD);

	cmd.go.ctwin = cpu_to_le32(noa->oppps_ctwindow &
					IEEE80211_P2P_OPPPS_CTWINDOW_MASK);
	cmd.go.opp_ps_enabled =
			cpu_to_le32(!!(noa->oppps_ctwindow &
					IEEE80211_P2P_OPPPS_ENABLE_BIT));

	return iwl_mvm_mac_ctxt_send_cmd(mvm, &cmd);
}

static int iwl_mvm_mac_ctx_send(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
				u32 action)
{
	switch (vif->type) {
	case NL80211_IFTYPE_STATION:
		if (!vif->p2p)
			return iwl_mvm_mac_ctxt_cmd_station(mvm, vif,
							    action);
		else
			return iwl_mvm_mac_ctxt_cmd_p2p_client(mvm, vif,
							       action);
		break;
	case NL80211_IFTYPE_AP:
		if (!vif->p2p)
			return iwl_mvm_mac_ctxt_cmd_ap(mvm, vif, action);
		else
			return iwl_mvm_mac_ctxt_cmd_go(mvm, vif, action);
		break;
	case NL80211_IFTYPE_MONITOR:
		return iwl_mvm_mac_ctxt_cmd_listener(mvm, vif, action);
	case NL80211_IFTYPE_P2P_DEVICE:
		return iwl_mvm_mac_ctxt_cmd_p2p_device(mvm, vif, action);
	default:
		break;
	}

	return -EOPNOTSUPP;
}

int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
{
	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
	int ret;

	if (WARN_ONCE(mvmvif->uploaded, "Adding active MAC %pM/%d\n",
		      vif->addr, ieee80211_vif_type_p2p(vif)))
		return -EIO;

	ret = iwl_mvm_mac_ctx_send(mvm, vif, FW_CTXT_ACTION_ADD);
	if (ret)
		return ret;

	mvmvif->uploaded = true;
	return 0;
}

int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
{
	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);

	if (WARN_ONCE(!mvmvif->uploaded, "Changing inactive MAC %pM/%d\n",
		      vif->addr, ieee80211_vif_type_p2p(vif)))
		return -EIO;

	return iwl_mvm_mac_ctx_send(mvm, vif, FW_CTXT_ACTION_MODIFY);
}

int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
{
	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
	struct iwl_mac_ctx_cmd cmd;
	int ret;

	if (WARN_ONCE(!mvmvif->uploaded, "Removing inactive MAC %pM/%d\n",
		      vif->addr, ieee80211_vif_type_p2p(vif)))
		return -EIO;

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

	cmd.id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
							   mvmvif->color));
	cmd.action = cpu_to_le32(FW_CTXT_ACTION_REMOVE);

	ret = iwl_mvm_send_cmd_pdu(mvm, MAC_CONTEXT_CMD, CMD_SYNC,
				   sizeof(cmd), &cmd);
	if (ret) {
		IWL_ERR(mvm, "Failed to remove MAC context: %d\n", ret);
		return ret;
	}

	mvmvif->uploaded = false;
	return 0;
}

int iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
			    struct iwl_rx_cmd_buffer *rxb,
			    struct iwl_device_cmd *cmd)
{
	struct iwl_rx_packet *pkt = rxb_addr(rxb);
	struct iwl_beacon_notif *beacon = (void *)pkt->data;
	u16 status __maybe_unused =
		le16_to_cpu(beacon->beacon_notify_hdr.status.status);
	u32 rate __maybe_unused =
		le32_to_cpu(beacon->beacon_notify_hdr.initial_rate);

	IWL_DEBUG_RX(mvm, "beacon status %#x retries:%d tsf:0x%16llX rate:%d\n",
		     status & TX_STATUS_MSK,
		     beacon->beacon_notify_hdr.failure_frame,
		     le64_to_cpu(beacon->tsf),
		     rate);
	return 0;
}