1#ifndef __MAC80211_DRIVER_OPS
2#define __MAC80211_DRIVER_OPS
3
4#include <net/mac80211.h>
5#include "ieee80211_i.h"
6#include "driver-trace.h"
7
8static inline void check_sdata_in_driver(struct ieee80211_sub_if_data *sdata)
9{
10 WARN_ON(!(sdata->flags & IEEE80211_SDATA_IN_DRIVER));
11}
12
13static inline struct ieee80211_sub_if_data *
14get_bss_sdata(struct ieee80211_sub_if_data *sdata)
15{
16 if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
17 sdata = container_of(sdata->bss, struct ieee80211_sub_if_data,
18 u.ap);
19
20 return sdata;
21}
22
23static inline void drv_tx(struct ieee80211_local *local, struct sk_buff *skb)
24{
25 local->ops->tx(&local->hw, skb);
26}
27
28static inline void drv_tx_frags(struct ieee80211_local *local,
29 struct ieee80211_vif *vif,
30 struct ieee80211_sta *sta,
31 struct sk_buff_head *skbs)
32{
33 local->ops->tx_frags(&local->hw, vif, sta, skbs);
34}
35
36static inline int drv_start(struct ieee80211_local *local)
37{
38 int ret;
39
40 might_sleep();
41
42 trace_drv_start(local);
43 local->started = true;
44 smp_mb();
45 ret = local->ops->start(&local->hw);
46 trace_drv_return_int(local, ret);
47 return ret;
48}
49
50static inline void drv_stop(struct ieee80211_local *local)
51{
52 might_sleep();
53
54 trace_drv_stop(local);
55 local->ops->stop(&local->hw);
56 trace_drv_return_void(local);
57
58
59 tasklet_disable(&local->tasklet);
60 tasklet_enable(&local->tasklet);
61
62 barrier();
63
64 local->started = false;
65}
66
67#ifdef CONFIG_PM
68static inline int drv_suspend(struct ieee80211_local *local,
69 struct cfg80211_wowlan *wowlan)
70{
71 int ret;
72
73 might_sleep();
74
75 trace_drv_suspend(local);
76 ret = local->ops->suspend(&local->hw, wowlan);
77 trace_drv_return_int(local, ret);
78 return ret;
79}
80
81static inline int drv_resume(struct ieee80211_local *local)
82{
83 int ret;
84
85 might_sleep();
86
87 trace_drv_resume(local);
88 ret = local->ops->resume(&local->hw);
89 trace_drv_return_int(local, ret);
90 return ret;
91}
92#endif
93
94static inline int drv_add_interface(struct ieee80211_local *local,
95 struct ieee80211_sub_if_data *sdata)
96{
97 int ret;
98
99 might_sleep();
100
101 if (WARN_ON(sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
102 sdata->vif.type == NL80211_IFTYPE_MONITOR))
103 return -EINVAL;
104
105 trace_drv_add_interface(local, sdata);
106 ret = local->ops->add_interface(&local->hw, &sdata->vif);
107 trace_drv_return_int(local, ret);
108
109 if (ret == 0)
110 sdata->flags |= IEEE80211_SDATA_IN_DRIVER;
111
112 return ret;
113}
114
115static inline int drv_change_interface(struct ieee80211_local *local,
116 struct ieee80211_sub_if_data *sdata,
117 enum nl80211_iftype type, bool p2p)
118{
119 int ret;
120
121 might_sleep();
122
123 check_sdata_in_driver(sdata);
124
125 trace_drv_change_interface(local, sdata, type, p2p);
126 ret = local->ops->change_interface(&local->hw, &sdata->vif, type, p2p);
127 trace_drv_return_int(local, ret);
128 return ret;
129}
130
131static inline void drv_remove_interface(struct ieee80211_local *local,
132 struct ieee80211_sub_if_data *sdata)
133{
134 might_sleep();
135
136 check_sdata_in_driver(sdata);
137
138 trace_drv_remove_interface(local, sdata);
139 local->ops->remove_interface(&local->hw, &sdata->vif);
140 sdata->flags &= ~IEEE80211_SDATA_IN_DRIVER;
141 trace_drv_return_void(local);
142}
143
144static inline int drv_config(struct ieee80211_local *local, u32 changed)
145{
146 int ret;
147
148 might_sleep();
149
150 trace_drv_config(local, changed);
151 ret = local->ops->config(&local->hw, changed);
152 trace_drv_return_int(local, ret);
153 return ret;
154}
155
156static inline void drv_bss_info_changed(struct ieee80211_local *local,
157 struct ieee80211_sub_if_data *sdata,
158 struct ieee80211_bss_conf *info,
159 u32 changed)
160{
161 might_sleep();
162
163 check_sdata_in_driver(sdata);
164
165 trace_drv_bss_info_changed(local, sdata, info, changed);
166 if (local->ops->bss_info_changed)
167 local->ops->bss_info_changed(&local->hw, &sdata->vif, info, changed);
168 trace_drv_return_void(local);
169}
170
171static inline int drv_tx_sync(struct ieee80211_local *local,
172 struct ieee80211_sub_if_data *sdata,
173 const u8 *bssid,
174 enum ieee80211_tx_sync_type type)
175{
176 int ret = 0;
177
178 might_sleep();
179
180 check_sdata_in_driver(sdata);
181
182 trace_drv_tx_sync(local, sdata, bssid, type);
183 if (local->ops->tx_sync)
184 ret = local->ops->tx_sync(&local->hw, &sdata->vif,
185 bssid, type);
186 trace_drv_return_int(local, ret);
187 return ret;
188}
189
190static inline void drv_finish_tx_sync(struct ieee80211_local *local,
191 struct ieee80211_sub_if_data *sdata,
192 const u8 *bssid,
193 enum ieee80211_tx_sync_type type)
194{
195 might_sleep();
196
197 check_sdata_in_driver(sdata);
198
199 trace_drv_finish_tx_sync(local, sdata, bssid, type);
200 if (local->ops->finish_tx_sync)
201 local->ops->finish_tx_sync(&local->hw, &sdata->vif,
202 bssid, type);
203 trace_drv_return_void(local);
204}
205
206static inline u64 drv_prepare_multicast(struct ieee80211_local *local,
207 struct netdev_hw_addr_list *mc_list)
208{
209 u64 ret = 0;
210
211 trace_drv_prepare_multicast(local, mc_list->count);
212
213 if (local->ops->prepare_multicast)
214 ret = local->ops->prepare_multicast(&local->hw, mc_list);
215
216 trace_drv_return_u64(local, ret);
217
218 return ret;
219}
220
221static inline void drv_configure_filter(struct ieee80211_local *local,
222 unsigned int changed_flags,
223 unsigned int *total_flags,
224 u64 multicast)
225{
226 might_sleep();
227
228 trace_drv_configure_filter(local, changed_flags, total_flags,
229 multicast);
230 local->ops->configure_filter(&local->hw, changed_flags, total_flags,
231 multicast);
232 trace_drv_return_void(local);
233}
234
235static inline int drv_set_tim(struct ieee80211_local *local,
236 struct ieee80211_sta *sta, bool set)
237{
238 int ret = 0;
239 trace_drv_set_tim(local, sta, set);
240 if (local->ops->set_tim)
241 ret = local->ops->set_tim(&local->hw, sta, set);
242 trace_drv_return_int(local, ret);
243 return ret;
244}
245
246static inline int drv_set_key(struct ieee80211_local *local,
247 enum set_key_cmd cmd,
248 struct ieee80211_sub_if_data *sdata,
249 struct ieee80211_sta *sta,
250 struct ieee80211_key_conf *key)
251{
252 int ret;
253
254 might_sleep();
255
256 check_sdata_in_driver(sdata);
257
258 trace_drv_set_key(local, cmd, sdata, sta, key);
259 ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key);
260 trace_drv_return_int(local, ret);
261 return ret;
262}
263
264static inline void drv_update_tkip_key(struct ieee80211_local *local,
265 struct ieee80211_sub_if_data *sdata,
266 struct ieee80211_key_conf *conf,
267 struct sta_info *sta, u32 iv32,
268 u16 *phase1key)
269{
270 struct ieee80211_sta *ista = NULL;
271
272 if (sta)
273 ista = &sta->sta;
274
275 check_sdata_in_driver(sdata);
276
277 trace_drv_update_tkip_key(local, sdata, conf, ista, iv32);
278 if (local->ops->update_tkip_key)
279 local->ops->update_tkip_key(&local->hw, &sdata->vif, conf,
280 ista, iv32, phase1key);
281 trace_drv_return_void(local);
282}
283
284static inline int drv_hw_scan(struct ieee80211_local *local,
285 struct ieee80211_sub_if_data *sdata,
286 struct cfg80211_scan_request *req)
287{
288 int ret;
289
290 might_sleep();
291
292 check_sdata_in_driver(sdata);
293
294 trace_drv_hw_scan(local, sdata);
295 ret = local->ops->hw_scan(&local->hw, &sdata->vif, req);
296 trace_drv_return_int(local, ret);
297 return ret;
298}
299
300static inline void drv_cancel_hw_scan(struct ieee80211_local *local,
301 struct ieee80211_sub_if_data *sdata)
302{
303 might_sleep();
304
305 check_sdata_in_driver(sdata);
306
307 trace_drv_cancel_hw_scan(local, sdata);
308 local->ops->cancel_hw_scan(&local->hw, &sdata->vif);
309 trace_drv_return_void(local);
310}
311
312static inline int
313drv_sched_scan_start(struct ieee80211_local *local,
314 struct ieee80211_sub_if_data *sdata,
315 struct cfg80211_sched_scan_request *req,
316 struct ieee80211_sched_scan_ies *ies)
317{
318 int ret;
319
320 might_sleep();
321
322 check_sdata_in_driver(sdata);
323
324 trace_drv_sched_scan_start(local, sdata);
325 ret = local->ops->sched_scan_start(&local->hw, &sdata->vif,
326 req, ies);
327 trace_drv_return_int(local, ret);
328 return ret;
329}
330
331static inline void drv_sched_scan_stop(struct ieee80211_local *local,
332 struct ieee80211_sub_if_data *sdata)
333{
334 might_sleep();
335
336 check_sdata_in_driver(sdata);
337
338 trace_drv_sched_scan_stop(local, sdata);
339 local->ops->sched_scan_stop(&local->hw, &sdata->vif);
340 trace_drv_return_void(local);
341}
342
343static inline void drv_sw_scan_start(struct ieee80211_local *local)
344{
345 might_sleep();
346
347 trace_drv_sw_scan_start(local);
348 if (local->ops->sw_scan_start)
349 local->ops->sw_scan_start(&local->hw);
350 trace_drv_return_void(local);
351}
352
353static inline void drv_sw_scan_complete(struct ieee80211_local *local)
354{
355 might_sleep();
356
357 trace_drv_sw_scan_complete(local);
358 if (local->ops->sw_scan_complete)
359 local->ops->sw_scan_complete(&local->hw);
360 trace_drv_return_void(local);
361}
362
363static inline int drv_get_stats(struct ieee80211_local *local,
364 struct ieee80211_low_level_stats *stats)
365{
366 int ret = -EOPNOTSUPP;
367
368 might_sleep();
369
370 if (local->ops->get_stats)
371 ret = local->ops->get_stats(&local->hw, stats);
372 trace_drv_get_stats(local, stats, ret);
373
374 return ret;
375}
376
377static inline void drv_get_tkip_seq(struct ieee80211_local *local,
378 u8 hw_key_idx, u32 *iv32, u16 *iv16)
379{
380 if (local->ops->get_tkip_seq)
381 local->ops->get_tkip_seq(&local->hw, hw_key_idx, iv32, iv16);
382 trace_drv_get_tkip_seq(local, hw_key_idx, iv32, iv16);
383}
384
385static inline int drv_set_frag_threshold(struct ieee80211_local *local,
386 u32 value)
387{
388 int ret = 0;
389
390 might_sleep();
391
392 trace_drv_set_frag_threshold(local, value);
393 if (local->ops->set_frag_threshold)
394 ret = local->ops->set_frag_threshold(&local->hw, value);
395 trace_drv_return_int(local, ret);
396 return ret;
397}
398
399static inline int drv_set_rts_threshold(struct ieee80211_local *local,
400 u32 value)
401{
402 int ret = 0;
403
404 might_sleep();
405
406 trace_drv_set_rts_threshold(local, value);
407 if (local->ops->set_rts_threshold)
408 ret = local->ops->set_rts_threshold(&local->hw, value);
409 trace_drv_return_int(local, ret);
410 return ret;
411}
412
413static inline int drv_set_coverage_class(struct ieee80211_local *local,
414 u8 value)
415{
416 int ret = 0;
417 might_sleep();
418
419 trace_drv_set_coverage_class(local, value);
420 if (local->ops->set_coverage_class)
421 local->ops->set_coverage_class(&local->hw, value);
422 else
423 ret = -EOPNOTSUPP;
424
425 trace_drv_return_int(local, ret);
426 return ret;
427}
428
429static inline void drv_sta_notify(struct ieee80211_local *local,
430 struct ieee80211_sub_if_data *sdata,
431 enum sta_notify_cmd cmd,
432 struct ieee80211_sta *sta)
433{
434 sdata = get_bss_sdata(sdata);
435 check_sdata_in_driver(sdata);
436
437 trace_drv_sta_notify(local, sdata, cmd, sta);
438 if (local->ops->sta_notify)
439 local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta);
440 trace_drv_return_void(local);
441}
442
443static inline int drv_sta_add(struct ieee80211_local *local,
444 struct ieee80211_sub_if_data *sdata,
445 struct ieee80211_sta *sta)
446{
447 int ret = 0;
448
449 might_sleep();
450
451 sdata = get_bss_sdata(sdata);
452 check_sdata_in_driver(sdata);
453
454 trace_drv_sta_add(local, sdata, sta);
455 if (local->ops->sta_add)
456 ret = local->ops->sta_add(&local->hw, &sdata->vif, sta);
457
458 trace_drv_return_int(local, ret);
459
460 return ret;
461}
462
463static inline void drv_sta_remove(struct ieee80211_local *local,
464 struct ieee80211_sub_if_data *sdata,
465 struct ieee80211_sta *sta)
466{
467 might_sleep();
468
469 sdata = get_bss_sdata(sdata);
470 check_sdata_in_driver(sdata);
471
472 trace_drv_sta_remove(local, sdata, sta);
473 if (local->ops->sta_remove)
474 local->ops->sta_remove(&local->hw, &sdata->vif, sta);
475
476 trace_drv_return_void(local);
477}
478
479static inline int drv_conf_tx(struct ieee80211_local *local,
480 struct ieee80211_sub_if_data *sdata, u16 queue,
481 const struct ieee80211_tx_queue_params *params)
482{
483 int ret = -EOPNOTSUPP;
484
485 might_sleep();
486
487 check_sdata_in_driver(sdata);
488
489 trace_drv_conf_tx(local, sdata, queue, params);
490 if (local->ops->conf_tx)
491 ret = local->ops->conf_tx(&local->hw, &sdata->vif,
492 queue, params);
493 trace_drv_return_int(local, ret);
494 return ret;
495}
496
497static inline u64 drv_get_tsf(struct ieee80211_local *local,
498 struct ieee80211_sub_if_data *sdata)
499{
500 u64 ret = -1ULL;
501
502 might_sleep();
503
504 check_sdata_in_driver(sdata);
505
506 trace_drv_get_tsf(local, sdata);
507 if (local->ops->get_tsf)
508 ret = local->ops->get_tsf(&local->hw, &sdata->vif);
509 trace_drv_return_u64(local, ret);
510 return ret;
511}
512
513static inline void drv_set_tsf(struct ieee80211_local *local,
514 struct ieee80211_sub_if_data *sdata,
515 u64 tsf)
516{
517 might_sleep();
518
519 check_sdata_in_driver(sdata);
520
521 trace_drv_set_tsf(local, sdata, tsf);
522 if (local->ops->set_tsf)
523 local->ops->set_tsf(&local->hw, &sdata->vif, tsf);
524 trace_drv_return_void(local);
525}
526
527static inline void drv_reset_tsf(struct ieee80211_local *local,
528 struct ieee80211_sub_if_data *sdata)
529{
530 might_sleep();
531
532 check_sdata_in_driver(sdata);
533
534 trace_drv_reset_tsf(local, sdata);
535 if (local->ops->reset_tsf)
536 local->ops->reset_tsf(&local->hw, &sdata->vif);
537 trace_drv_return_void(local);
538}
539
540static inline int drv_tx_last_beacon(struct ieee80211_local *local)
541{
542 int ret = 0;
543
544 might_sleep();
545
546 trace_drv_tx_last_beacon(local);
547 if (local->ops->tx_last_beacon)
548 ret = local->ops->tx_last_beacon(&local->hw);
549 trace_drv_return_int(local, ret);
550 return ret;
551}
552
553static inline int drv_ampdu_action(struct ieee80211_local *local,
554 struct ieee80211_sub_if_data *sdata,
555 enum ieee80211_ampdu_mlme_action action,
556 struct ieee80211_sta *sta, u16 tid,
557 u16 *ssn, u8 buf_size)
558{
559 int ret = -EOPNOTSUPP;
560
561 might_sleep();
562
563 sdata = get_bss_sdata(sdata);
564 check_sdata_in_driver(sdata);
565
566 trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, buf_size);
567
568 if (local->ops->ampdu_action)
569 ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
570 sta, tid, ssn, buf_size);
571
572 trace_drv_return_int(local, ret);
573
574 return ret;
575}
576
577static inline int drv_get_survey(struct ieee80211_local *local, int idx,
578 struct survey_info *survey)
579{
580 int ret = -EOPNOTSUPP;
581
582 trace_drv_get_survey(local, idx, survey);
583
584 if (local->ops->get_survey)
585 ret = local->ops->get_survey(&local->hw, idx, survey);
586
587 trace_drv_return_int(local, ret);
588
589 return ret;
590}
591
592static inline void drv_rfkill_poll(struct ieee80211_local *local)
593{
594 might_sleep();
595
596 if (local->ops->rfkill_poll)
597 local->ops->rfkill_poll(&local->hw);
598}
599
600static inline void drv_flush(struct ieee80211_local *local, bool drop)
601{
602 might_sleep();
603
604 trace_drv_flush(local, drop);
605 if (local->ops->flush)
606 local->ops->flush(&local->hw, drop);
607 trace_drv_return_void(local);
608}
609
610static inline void drv_channel_switch(struct ieee80211_local *local,
611 struct ieee80211_channel_switch *ch_switch)
612{
613 might_sleep();
614
615 trace_drv_channel_switch(local, ch_switch);
616 local->ops->channel_switch(&local->hw, ch_switch);
617 trace_drv_return_void(local);
618}
619
620
621static inline int drv_set_antenna(struct ieee80211_local *local,
622 u32 tx_ant, u32 rx_ant)
623{
624 int ret = -EOPNOTSUPP;
625 might_sleep();
626 if (local->ops->set_antenna)
627 ret = local->ops->set_antenna(&local->hw, tx_ant, rx_ant);
628 trace_drv_set_antenna(local, tx_ant, rx_ant, ret);
629 return ret;
630}
631
632static inline int drv_get_antenna(struct ieee80211_local *local,
633 u32 *tx_ant, u32 *rx_ant)
634{
635 int ret = -EOPNOTSUPP;
636 might_sleep();
637 if (local->ops->get_antenna)
638 ret = local->ops->get_antenna(&local->hw, tx_ant, rx_ant);
639 trace_drv_get_antenna(local, *tx_ant, *rx_ant, ret);
640 return ret;
641}
642
643static inline int drv_remain_on_channel(struct ieee80211_local *local,
644 struct ieee80211_channel *chan,
645 enum nl80211_channel_type chantype,
646 unsigned int duration)
647{
648 int ret;
649
650 might_sleep();
651
652 trace_drv_remain_on_channel(local, chan, chantype, duration);
653 ret = local->ops->remain_on_channel(&local->hw, chan, chantype,
654 duration);
655 trace_drv_return_int(local, ret);
656
657 return ret;
658}
659
660static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local)
661{
662 int ret;
663
664 might_sleep();
665
666 trace_drv_cancel_remain_on_channel(local);
667 ret = local->ops->cancel_remain_on_channel(&local->hw);
668 trace_drv_return_int(local, ret);
669
670 return ret;
671}
672
673static inline int drv_set_ringparam(struct ieee80211_local *local,
674 u32 tx, u32 rx)
675{
676 int ret = -ENOTSUPP;
677
678 might_sleep();
679
680 trace_drv_set_ringparam(local, tx, rx);
681 if (local->ops->set_ringparam)
682 ret = local->ops->set_ringparam(&local->hw, tx, rx);
683 trace_drv_return_int(local, ret);
684
685 return ret;
686}
687
688static inline void drv_get_ringparam(struct ieee80211_local *local,
689 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
690{
691 might_sleep();
692
693 trace_drv_get_ringparam(local, tx, tx_max, rx, rx_max);
694 if (local->ops->get_ringparam)
695 local->ops->get_ringparam(&local->hw, tx, tx_max, rx, rx_max);
696 trace_drv_return_void(local);
697}
698
699static inline bool drv_tx_frames_pending(struct ieee80211_local *local)
700{
701 bool ret = false;
702
703 might_sleep();
704
705 trace_drv_tx_frames_pending(local);
706 if (local->ops->tx_frames_pending)
707 ret = local->ops->tx_frames_pending(&local->hw);
708 trace_drv_return_bool(local, ret);
709
710 return ret;
711}
712
713static inline int drv_set_bitrate_mask(struct ieee80211_local *local,
714 struct ieee80211_sub_if_data *sdata,
715 const struct cfg80211_bitrate_mask *mask)
716{
717 int ret = -EOPNOTSUPP;
718
719 might_sleep();
720
721 check_sdata_in_driver(sdata);
722
723 trace_drv_set_bitrate_mask(local, sdata, mask);
724 if (local->ops->set_bitrate_mask)
725 ret = local->ops->set_bitrate_mask(&local->hw,
726 &sdata->vif, mask);
727 trace_drv_return_int(local, ret);
728
729 return ret;
730}
731
732static inline void drv_set_rekey_data(struct ieee80211_local *local,
733 struct ieee80211_sub_if_data *sdata,
734 struct cfg80211_gtk_rekey_data *data)
735{
736 check_sdata_in_driver(sdata);
737
738 trace_drv_set_rekey_data(local, sdata, data);
739 if (local->ops->set_rekey_data)
740 local->ops->set_rekey_data(&local->hw, &sdata->vif, data);
741 trace_drv_return_void(local);
742}
743
744static inline void drv_rssi_callback(struct ieee80211_local *local,
745 const enum ieee80211_rssi_event event)
746{
747 trace_drv_rssi_callback(local, event);
748 if (local->ops->rssi_callback)
749 local->ops->rssi_callback(&local->hw, event);
750 trace_drv_return_void(local);
751}
752
753static inline void
754drv_release_buffered_frames(struct ieee80211_local *local,
755 struct sta_info *sta, u16 tids, int num_frames,
756 enum ieee80211_frame_release_type reason,
757 bool more_data)
758{
759 trace_drv_release_buffered_frames(local, &sta->sta, tids, num_frames,
760 reason, more_data);
761 if (local->ops->release_buffered_frames)
762 local->ops->release_buffered_frames(&local->hw, &sta->sta, tids,
763 num_frames, reason,
764 more_data);
765 trace_drv_return_void(local);
766}
767
768static inline void
769drv_allow_buffered_frames(struct ieee80211_local *local,
770 struct sta_info *sta, u16 tids, int num_frames,
771 enum ieee80211_frame_release_type reason,
772 bool more_data)
773{
774 trace_drv_allow_buffered_frames(local, &sta->sta, tids, num_frames,
775 reason, more_data);
776 if (local->ops->allow_buffered_frames)
777 local->ops->allow_buffered_frames(&local->hw, &sta->sta,
778 tids, num_frames, reason,
779 more_data);
780 trace_drv_return_void(local);
781}
782#endif
783
