Free Electrons

Embedded Linux Experts

  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
#ifndef __MAC80211_DRIVER_OPS
#define __MAC80211_DRIVER_OPS

#include <net/mac80211.h>
#include "ieee80211_i.h"
#include "driver-trace.h"

static inline void check_sdata_in_driver(struct ieee80211_sub_if_data *sdata)
{
	WARN_ON(!(sdata->flags & IEEE80211_SDATA_IN_DRIVER));
}

static inline struct ieee80211_sub_if_data *
get_bss_sdata(struct ieee80211_sub_if_data *sdata)
{
	if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
		sdata = container_of(sdata->bss, struct ieee80211_sub_if_data,
				     u.ap);

	return sdata;
}

static inline void drv_tx(struct ieee80211_local *local, struct sk_buff *skb)
{
	local->ops->tx(&local->hw, skb);
}

static inline void drv_tx_frags(struct ieee80211_local *local,
				struct ieee80211_vif *vif,
				struct ieee80211_sta *sta,
				struct sk_buff_head *skbs)
{
	local->ops->tx_frags(&local->hw, vif, sta, skbs);
}

static inline int drv_start(struct ieee80211_local *local)
{
	int ret;

	might_sleep();

	trace_drv_start(local);
	local->started = true;
	smp_mb();
	ret = local->ops->start(&local->hw);
	trace_drv_return_int(local, ret);
	return ret;
}

static inline void drv_stop(struct ieee80211_local *local)
{
	might_sleep();

	trace_drv_stop(local);
	local->ops->stop(&local->hw);
	trace_drv_return_void(local);

	/* sync away all work on the tasklet before clearing started */
	tasklet_disable(&local->tasklet);
	tasklet_enable(&local->tasklet);

	barrier();

	local->started = false;
}

#ifdef CONFIG_PM
static inline int drv_suspend(struct ieee80211_local *local,
			      struct cfg80211_wowlan *wowlan)
{
	int ret;

	might_sleep();

	trace_drv_suspend(local);
	ret = local->ops->suspend(&local->hw, wowlan);
	trace_drv_return_int(local, ret);
	return ret;
}

static inline int drv_resume(struct ieee80211_local *local)
{
	int ret;

	might_sleep();

	trace_drv_resume(local);
	ret = local->ops->resume(&local->hw);
	trace_drv_return_int(local, ret);
	return ret;
}
#endif

static inline int drv_add_interface(struct ieee80211_local *local,
				    struct ieee80211_sub_if_data *sdata)
{
	int ret;

	might_sleep();

	if (WARN_ON(sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
		    sdata->vif.type == NL80211_IFTYPE_MONITOR))
		return -EINVAL;

	trace_drv_add_interface(local, sdata);
	ret = local->ops->add_interface(&local->hw, &sdata->vif);
	trace_drv_return_int(local, ret);

	if (ret == 0)
		sdata->flags |= IEEE80211_SDATA_IN_DRIVER;

	return ret;
}

static inline int drv_change_interface(struct ieee80211_local *local,
				       struct ieee80211_sub_if_data *sdata,
				       enum nl80211_iftype type, bool p2p)
{
	int ret;

	might_sleep();

	check_sdata_in_driver(sdata);

	trace_drv_change_interface(local, sdata, type, p2p);
	ret = local->ops->change_interface(&local->hw, &sdata->vif, type, p2p);
	trace_drv_return_int(local, ret);
	return ret;
}

static inline void drv_remove_interface(struct ieee80211_local *local,
					struct ieee80211_sub_if_data *sdata)
{
	might_sleep();

	check_sdata_in_driver(sdata);

	trace_drv_remove_interface(local, sdata);
	local->ops->remove_interface(&local->hw, &sdata->vif);
	sdata->flags &= ~IEEE80211_SDATA_IN_DRIVER;
	trace_drv_return_void(local);
}

static inline int drv_config(struct ieee80211_local *local, u32 changed)
{
	int ret;

	might_sleep();

	trace_drv_config(local, changed);
	ret = local->ops->config(&local->hw, changed);
	trace_drv_return_int(local, ret);
	return ret;
}

static inline void drv_bss_info_changed(struct ieee80211_local *local,
					struct ieee80211_sub_if_data *sdata,
					struct ieee80211_bss_conf *info,
					u32 changed)
{
	might_sleep();

	check_sdata_in_driver(sdata);

	trace_drv_bss_info_changed(local, sdata, info, changed);
	if (local->ops->bss_info_changed)
		local->ops->bss_info_changed(&local->hw, &sdata->vif, info, changed);
	trace_drv_return_void(local);
}

static inline u64 drv_prepare_multicast(struct ieee80211_local *local,
					struct netdev_hw_addr_list *mc_list)
{
	u64 ret = 0;

	trace_drv_prepare_multicast(local, mc_list->count);

	if (local->ops->prepare_multicast)
		ret = local->ops->prepare_multicast(&local->hw, mc_list);

	trace_drv_return_u64(local, ret);

	return ret;
}

static inline void drv_configure_filter(struct ieee80211_local *local,
					unsigned int changed_flags,
					unsigned int *total_flags,
					u64 multicast)
{
	might_sleep();

	trace_drv_configure_filter(local, changed_flags, total_flags,
				   multicast);
	local->ops->configure_filter(&local->hw, changed_flags, total_flags,
				     multicast);
	trace_drv_return_void(local);
}

static inline int drv_set_tim(struct ieee80211_local *local,
			      struct ieee80211_sta *sta, bool set)
{
	int ret = 0;
	trace_drv_set_tim(local, sta, set);
	if (local->ops->set_tim)
		ret = local->ops->set_tim(&local->hw, sta, set);
	trace_drv_return_int(local, ret);
	return ret;
}

static inline int drv_set_key(struct ieee80211_local *local,
			      enum set_key_cmd cmd,
			      struct ieee80211_sub_if_data *sdata,
			      struct ieee80211_sta *sta,
			      struct ieee80211_key_conf *key)
{
	int ret;

	might_sleep();

	sdata = get_bss_sdata(sdata);
	check_sdata_in_driver(sdata);

	trace_drv_set_key(local, cmd, sdata, sta, key);
	ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key);
	trace_drv_return_int(local, ret);
	return ret;
}

static inline void drv_update_tkip_key(struct ieee80211_local *local,
				       struct ieee80211_sub_if_data *sdata,
				       struct ieee80211_key_conf *conf,
				       struct sta_info *sta, u32 iv32,
				       u16 *phase1key)
{
	struct ieee80211_sta *ista = NULL;

	if (sta)
		ista = &sta->sta;

	sdata = get_bss_sdata(sdata);
	check_sdata_in_driver(sdata);

	trace_drv_update_tkip_key(local, sdata, conf, ista, iv32);
	if (local->ops->update_tkip_key)
		local->ops->update_tkip_key(&local->hw, &sdata->vif, conf,
					    ista, iv32, phase1key);
	trace_drv_return_void(local);
}

static inline int drv_hw_scan(struct ieee80211_local *local,
			      struct ieee80211_sub_if_data *sdata,
			      struct cfg80211_scan_request *req)
{
	int ret;

	might_sleep();

	check_sdata_in_driver(sdata);

	trace_drv_hw_scan(local, sdata);
	ret = local->ops->hw_scan(&local->hw, &sdata->vif, req);
	trace_drv_return_int(local, ret);
	return ret;
}

static inline void drv_cancel_hw_scan(struct ieee80211_local *local,
				      struct ieee80211_sub_if_data *sdata)
{
	might_sleep();

	check_sdata_in_driver(sdata);

	trace_drv_cancel_hw_scan(local, sdata);
	local->ops->cancel_hw_scan(&local->hw, &sdata->vif);
	trace_drv_return_void(local);
}

static inline int
drv_sched_scan_start(struct ieee80211_local *local,
		     struct ieee80211_sub_if_data *sdata,
		     struct cfg80211_sched_scan_request *req,
		     struct ieee80211_sched_scan_ies *ies)
{
	int ret;

	might_sleep();

	check_sdata_in_driver(sdata);

	trace_drv_sched_scan_start(local, sdata);
	ret = local->ops->sched_scan_start(&local->hw, &sdata->vif,
					      req, ies);
	trace_drv_return_int(local, ret);
	return ret;
}

static inline void drv_sched_scan_stop(struct ieee80211_local *local,
				       struct ieee80211_sub_if_data *sdata)
{
	might_sleep();

	check_sdata_in_driver(sdata);

	trace_drv_sched_scan_stop(local, sdata);
	local->ops->sched_scan_stop(&local->hw, &sdata->vif);
	trace_drv_return_void(local);
}

static inline void drv_sw_scan_start(struct ieee80211_local *local)
{
	might_sleep();

	trace_drv_sw_scan_start(local);
	if (local->ops->sw_scan_start)
		local->ops->sw_scan_start(&local->hw);
	trace_drv_return_void(local);
}

static inline void drv_sw_scan_complete(struct ieee80211_local *local)
{
	might_sleep();

	trace_drv_sw_scan_complete(local);
	if (local->ops->sw_scan_complete)
		local->ops->sw_scan_complete(&local->hw);
	trace_drv_return_void(local);
}

static inline int drv_get_stats(struct ieee80211_local *local,
				struct ieee80211_low_level_stats *stats)
{
	int ret = -EOPNOTSUPP;

	might_sleep();

	if (local->ops->get_stats)
		ret = local->ops->get_stats(&local->hw, stats);
	trace_drv_get_stats(local, stats, ret);

	return ret;
}

static inline void drv_get_tkip_seq(struct ieee80211_local *local,
				    u8 hw_key_idx, u32 *iv32, u16 *iv16)
{
	if (local->ops->get_tkip_seq)
		local->ops->get_tkip_seq(&local->hw, hw_key_idx, iv32, iv16);
	trace_drv_get_tkip_seq(local, hw_key_idx, iv32, iv16);
}

static inline int drv_set_frag_threshold(struct ieee80211_local *local,
					u32 value)
{
	int ret = 0;

	might_sleep();

	trace_drv_set_frag_threshold(local, value);
	if (local->ops->set_frag_threshold)
		ret = local->ops->set_frag_threshold(&local->hw, value);
	trace_drv_return_int(local, ret);
	return ret;
}

static inline int drv_set_rts_threshold(struct ieee80211_local *local,
					u32 value)
{
	int ret = 0;

	might_sleep();

	trace_drv_set_rts_threshold(local, value);
	if (local->ops->set_rts_threshold)
		ret = local->ops->set_rts_threshold(&local->hw, value);
	trace_drv_return_int(local, ret);
	return ret;
}

static inline int drv_set_coverage_class(struct ieee80211_local *local,
					 u8 value)
{
	int ret = 0;
	might_sleep();

	trace_drv_set_coverage_class(local, value);
	if (local->ops->set_coverage_class)
		local->ops->set_coverage_class(&local->hw, value);
	else
		ret = -EOPNOTSUPP;

	trace_drv_return_int(local, ret);
	return ret;
}

static inline void drv_sta_notify(struct ieee80211_local *local,
				  struct ieee80211_sub_if_data *sdata,
				  enum sta_notify_cmd cmd,
				  struct ieee80211_sta *sta)
{
	sdata = get_bss_sdata(sdata);
	check_sdata_in_driver(sdata);

	trace_drv_sta_notify(local, sdata, cmd, sta);
	if (local->ops->sta_notify)
		local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta);
	trace_drv_return_void(local);
}

static inline int drv_sta_add(struct ieee80211_local *local,
			      struct ieee80211_sub_if_data *sdata,
			      struct ieee80211_sta *sta)
{
	int ret = 0;

	might_sleep();

	sdata = get_bss_sdata(sdata);
	check_sdata_in_driver(sdata);

	trace_drv_sta_add(local, sdata, sta);
	if (local->ops->sta_add)
		ret = local->ops->sta_add(&local->hw, &sdata->vif, sta);

	trace_drv_return_int(local, ret);

	return ret;
}

static inline void drv_sta_remove(struct ieee80211_local *local,
				  struct ieee80211_sub_if_data *sdata,
				  struct ieee80211_sta *sta)
{
	might_sleep();

	sdata = get_bss_sdata(sdata);
	check_sdata_in_driver(sdata);

	trace_drv_sta_remove(local, sdata, sta);
	if (local->ops->sta_remove)
		local->ops->sta_remove(&local->hw, &sdata->vif, sta);

	trace_drv_return_void(local);
}

static inline __must_check
int drv_sta_state(struct ieee80211_local *local,
		  struct ieee80211_sub_if_data *sdata,
		  struct sta_info *sta,
		  enum ieee80211_sta_state old_state,
		  enum ieee80211_sta_state new_state)
{
	int ret = 0;

	might_sleep();

	sdata = get_bss_sdata(sdata);
	check_sdata_in_driver(sdata);

	trace_drv_sta_state(local, sdata, &sta->sta, old_state, new_state);
	if (local->ops->sta_state) {
		ret = local->ops->sta_state(&local->hw, &sdata->vif, &sta->sta,
					    old_state, new_state);
	} else if (old_state == IEEE80211_STA_AUTH &&
		   new_state == IEEE80211_STA_ASSOC) {
		ret = drv_sta_add(local, sdata, &sta->sta);
		if (ret == 0)
			sta->uploaded = true;
	} else if (old_state == IEEE80211_STA_ASSOC &&
		   new_state == IEEE80211_STA_AUTH) {
		drv_sta_remove(local, sdata, &sta->sta);
	}
	trace_drv_return_int(local, ret);
	return ret;
}

static inline int drv_conf_tx(struct ieee80211_local *local,
			      struct ieee80211_sub_if_data *sdata, u16 queue,
			      const struct ieee80211_tx_queue_params *params)
{
	int ret = -EOPNOTSUPP;

	might_sleep();

	check_sdata_in_driver(sdata);

	trace_drv_conf_tx(local, sdata, queue, params);
	if (local->ops->conf_tx)
		ret = local->ops->conf_tx(&local->hw, &sdata->vif,
					  queue, params);
	trace_drv_return_int(local, ret);
	return ret;
}

static inline u64 drv_get_tsf(struct ieee80211_local *local,
			      struct ieee80211_sub_if_data *sdata)
{
	u64 ret = -1ULL;

	might_sleep();

	check_sdata_in_driver(sdata);

	trace_drv_get_tsf(local, sdata);
	if (local->ops->get_tsf)
		ret = local->ops->get_tsf(&local->hw, &sdata->vif);
	trace_drv_return_u64(local, ret);
	return ret;
}

static inline void drv_set_tsf(struct ieee80211_local *local,
			       struct ieee80211_sub_if_data *sdata,
			       u64 tsf)
{
	might_sleep();

	check_sdata_in_driver(sdata);

	trace_drv_set_tsf(local, sdata, tsf);
	if (local->ops->set_tsf)
		local->ops->set_tsf(&local->hw, &sdata->vif, tsf);
	trace_drv_return_void(local);
}

static inline void drv_reset_tsf(struct ieee80211_local *local,
				 struct ieee80211_sub_if_data *sdata)
{
	might_sleep();

	check_sdata_in_driver(sdata);

	trace_drv_reset_tsf(local, sdata);
	if (local->ops->reset_tsf)
		local->ops->reset_tsf(&local->hw, &sdata->vif);
	trace_drv_return_void(local);
}

static inline int drv_tx_last_beacon(struct ieee80211_local *local)
{
	int ret = 0; /* default unsuported op for less congestion */

	might_sleep();

	trace_drv_tx_last_beacon(local);
	if (local->ops->tx_last_beacon)
		ret = local->ops->tx_last_beacon(&local->hw);
	trace_drv_return_int(local, ret);
	return ret;
}

static inline int drv_ampdu_action(struct ieee80211_local *local,
				   struct ieee80211_sub_if_data *sdata,
				   enum ieee80211_ampdu_mlme_action action,
				   struct ieee80211_sta *sta, u16 tid,
				   u16 *ssn, u8 buf_size)
{
	int ret = -EOPNOTSUPP;

	might_sleep();

	sdata = get_bss_sdata(sdata);
	check_sdata_in_driver(sdata);

	trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, buf_size);

	if (local->ops->ampdu_action)
		ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
					       sta, tid, ssn, buf_size);

	trace_drv_return_int(local, ret);

	return ret;
}

static inline int drv_get_survey(struct ieee80211_local *local, int idx,
				struct survey_info *survey)
{
	int ret = -EOPNOTSUPP;

	trace_drv_get_survey(local, idx, survey);

	if (local->ops->get_survey)
		ret = local->ops->get_survey(&local->hw, idx, survey);

	trace_drv_return_int(local, ret);

	return ret;
}

static inline void drv_rfkill_poll(struct ieee80211_local *local)
{
	might_sleep();

	if (local->ops->rfkill_poll)
		local->ops->rfkill_poll(&local->hw);
}

static inline void drv_flush(struct ieee80211_local *local, bool drop)
{
	might_sleep();

	trace_drv_flush(local, drop);
	if (local->ops->flush)
		local->ops->flush(&local->hw, drop);
	trace_drv_return_void(local);
}

static inline void drv_channel_switch(struct ieee80211_local *local,
				     struct ieee80211_channel_switch *ch_switch)
{
	might_sleep();

	trace_drv_channel_switch(local, ch_switch);
	local->ops->channel_switch(&local->hw, ch_switch);
	trace_drv_return_void(local);
}


static inline int drv_set_antenna(struct ieee80211_local *local,
				  u32 tx_ant, u32 rx_ant)
{
	int ret = -EOPNOTSUPP;
	might_sleep();
	if (local->ops->set_antenna)
		ret = local->ops->set_antenna(&local->hw, tx_ant, rx_ant);
	trace_drv_set_antenna(local, tx_ant, rx_ant, ret);
	return ret;
}

static inline int drv_get_antenna(struct ieee80211_local *local,
				  u32 *tx_ant, u32 *rx_ant)
{
	int ret = -EOPNOTSUPP;
	might_sleep();
	if (local->ops->get_antenna)
		ret = local->ops->get_antenna(&local->hw, tx_ant, rx_ant);
	trace_drv_get_antenna(local, *tx_ant, *rx_ant, ret);
	return ret;
}

static inline int drv_remain_on_channel(struct ieee80211_local *local,
					struct ieee80211_channel *chan,
					enum nl80211_channel_type chantype,
					unsigned int duration)
{
	int ret;

	might_sleep();

	trace_drv_remain_on_channel(local, chan, chantype, duration);
	ret = local->ops->remain_on_channel(&local->hw, chan, chantype,
					    duration);
	trace_drv_return_int(local, ret);

	return ret;
}

static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local)
{
	int ret;

	might_sleep();

	trace_drv_cancel_remain_on_channel(local);
	ret = local->ops->cancel_remain_on_channel(&local->hw);
	trace_drv_return_int(local, ret);

	return ret;
}

static inline int drv_set_ringparam(struct ieee80211_local *local,
				    u32 tx, u32 rx)
{
	int ret = -ENOTSUPP;

	might_sleep();

	trace_drv_set_ringparam(local, tx, rx);
	if (local->ops->set_ringparam)
		ret = local->ops->set_ringparam(&local->hw, tx, rx);
	trace_drv_return_int(local, ret);

	return ret;
}

static inline void drv_get_ringparam(struct ieee80211_local *local,
				     u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
{
	might_sleep();

	trace_drv_get_ringparam(local, tx, tx_max, rx, rx_max);
	if (local->ops->get_ringparam)
		local->ops->get_ringparam(&local->hw, tx, tx_max, rx, rx_max);
	trace_drv_return_void(local);
}

static inline bool drv_tx_frames_pending(struct ieee80211_local *local)
{
	bool ret = false;

	might_sleep();

	trace_drv_tx_frames_pending(local);
	if (local->ops->tx_frames_pending)
		ret = local->ops->tx_frames_pending(&local->hw);
	trace_drv_return_bool(local, ret);

	return ret;
}

static inline int drv_set_bitrate_mask(struct ieee80211_local *local,
				       struct ieee80211_sub_if_data *sdata,
				       const struct cfg80211_bitrate_mask *mask)
{
	int ret = -EOPNOTSUPP;

	might_sleep();

	check_sdata_in_driver(sdata);

	trace_drv_set_bitrate_mask(local, sdata, mask);
	if (local->ops->set_bitrate_mask)
		ret = local->ops->set_bitrate_mask(&local->hw,
						   &sdata->vif, mask);
	trace_drv_return_int(local, ret);

	return ret;
}

static inline void drv_set_rekey_data(struct ieee80211_local *local,
				      struct ieee80211_sub_if_data *sdata,
				      struct cfg80211_gtk_rekey_data *data)
{
	check_sdata_in_driver(sdata);

	trace_drv_set_rekey_data(local, sdata, data);
	if (local->ops->set_rekey_data)
		local->ops->set_rekey_data(&local->hw, &sdata->vif, data);
	trace_drv_return_void(local);
}

static inline void drv_rssi_callback(struct ieee80211_local *local,
				     const enum ieee80211_rssi_event event)
{
	trace_drv_rssi_callback(local, event);
	if (local->ops->rssi_callback)
		local->ops->rssi_callback(&local->hw, event);
	trace_drv_return_void(local);
}

static inline void
drv_release_buffered_frames(struct ieee80211_local *local,
			    struct sta_info *sta, u16 tids, int num_frames,
			    enum ieee80211_frame_release_type reason,
			    bool more_data)
{
	trace_drv_release_buffered_frames(local, &sta->sta, tids, num_frames,
					  reason, more_data);
	if (local->ops->release_buffered_frames)
		local->ops->release_buffered_frames(&local->hw, &sta->sta, tids,
						    num_frames, reason,
						    more_data);
	trace_drv_return_void(local);
}

static inline void
drv_allow_buffered_frames(struct ieee80211_local *local,
			  struct sta_info *sta, u16 tids, int num_frames,
			  enum ieee80211_frame_release_type reason,
			  bool more_data)
{
	trace_drv_allow_buffered_frames(local, &sta->sta, tids, num_frames,
					reason, more_data);
	if (local->ops->allow_buffered_frames)
		local->ops->allow_buffered_frames(&local->hw, &sta->sta,
						  tids, num_frames, reason,
						  more_data);
	trace_drv_return_void(local);
}
#endif /* __MAC80211_DRIVER_OPS */