xref: /openbmc/linux/net/mac80211/driver-ops.h (revision 95e9fd10)
1 #ifndef __MAC80211_DRIVER_OPS
2 #define __MAC80211_DRIVER_OPS
3 
4 #include <net/mac80211.h>
5 #include "ieee80211_i.h"
6 #include "trace.h"
7 
8 static inline void check_sdata_in_driver(struct ieee80211_sub_if_data *sdata)
9 {
10 	WARN(!(sdata->flags & IEEE80211_SDATA_IN_DRIVER),
11 	     "%s:  Failed check-sdata-in-driver check, flags: 0x%x\n",
12 	     sdata->dev->name, sdata->flags);
13 }
14 
15 static inline struct ieee80211_sub_if_data *
16 get_bss_sdata(struct ieee80211_sub_if_data *sdata)
17 {
18 	if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
19 		sdata = container_of(sdata->bss, struct ieee80211_sub_if_data,
20 				     u.ap);
21 
22 	return sdata;
23 }
24 
25 static inline void drv_tx(struct ieee80211_local *local, struct sk_buff *skb)
26 {
27 	local->ops->tx(&local->hw, skb);
28 }
29 
30 static inline void drv_get_et_strings(struct ieee80211_sub_if_data *sdata,
31 				      u32 sset, u8 *data)
32 {
33 	struct ieee80211_local *local = sdata->local;
34 	if (local->ops->get_et_strings) {
35 		trace_drv_get_et_strings(local, sset);
36 		local->ops->get_et_strings(&local->hw, &sdata->vif, sset, data);
37 		trace_drv_return_void(local);
38 	}
39 }
40 
41 static inline void drv_get_et_stats(struct ieee80211_sub_if_data *sdata,
42 				    struct ethtool_stats *stats,
43 				    u64 *data)
44 {
45 	struct ieee80211_local *local = sdata->local;
46 	if (local->ops->get_et_stats) {
47 		trace_drv_get_et_stats(local);
48 		local->ops->get_et_stats(&local->hw, &sdata->vif, stats, data);
49 		trace_drv_return_void(local);
50 	}
51 }
52 
53 static inline int drv_get_et_sset_count(struct ieee80211_sub_if_data *sdata,
54 					int sset)
55 {
56 	struct ieee80211_local *local = sdata->local;
57 	int rv = 0;
58 	if (local->ops->get_et_sset_count) {
59 		trace_drv_get_et_sset_count(local, sset);
60 		rv = local->ops->get_et_sset_count(&local->hw, &sdata->vif,
61 						   sset);
62 		trace_drv_return_int(local, rv);
63 	}
64 	return rv;
65 }
66 
67 static inline int drv_start(struct ieee80211_local *local)
68 {
69 	int ret;
70 
71 	might_sleep();
72 
73 	trace_drv_start(local);
74 	local->started = true;
75 	smp_mb();
76 	ret = local->ops->start(&local->hw);
77 	trace_drv_return_int(local, ret);
78 	return ret;
79 }
80 
81 static inline void drv_stop(struct ieee80211_local *local)
82 {
83 	might_sleep();
84 
85 	trace_drv_stop(local);
86 	local->ops->stop(&local->hw);
87 	trace_drv_return_void(local);
88 
89 	/* sync away all work on the tasklet before clearing started */
90 	tasklet_disable(&local->tasklet);
91 	tasklet_enable(&local->tasklet);
92 
93 	barrier();
94 
95 	local->started = false;
96 }
97 
98 #ifdef CONFIG_PM
99 static inline int drv_suspend(struct ieee80211_local *local,
100 			      struct cfg80211_wowlan *wowlan)
101 {
102 	int ret;
103 
104 	might_sleep();
105 
106 	trace_drv_suspend(local);
107 	ret = local->ops->suspend(&local->hw, wowlan);
108 	trace_drv_return_int(local, ret);
109 	return ret;
110 }
111 
112 static inline int drv_resume(struct ieee80211_local *local)
113 {
114 	int ret;
115 
116 	might_sleep();
117 
118 	trace_drv_resume(local);
119 	ret = local->ops->resume(&local->hw);
120 	trace_drv_return_int(local, ret);
121 	return ret;
122 }
123 
124 static inline void drv_set_wakeup(struct ieee80211_local *local,
125 				  bool enabled)
126 {
127 	might_sleep();
128 
129 	if (!local->ops->set_wakeup)
130 		return;
131 
132 	trace_drv_set_wakeup(local, enabled);
133 	local->ops->set_wakeup(&local->hw, enabled);
134 	trace_drv_return_void(local);
135 }
136 #endif
137 
138 static inline int drv_add_interface(struct ieee80211_local *local,
139 				    struct ieee80211_sub_if_data *sdata)
140 {
141 	int ret;
142 
143 	might_sleep();
144 
145 	if (WARN_ON(sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
146 		    (sdata->vif.type == NL80211_IFTYPE_MONITOR &&
147 		     !(local->hw.flags & IEEE80211_HW_WANT_MONITOR_VIF))))
148 		return -EINVAL;
149 
150 	trace_drv_add_interface(local, sdata);
151 	ret = local->ops->add_interface(&local->hw, &sdata->vif);
152 	trace_drv_return_int(local, ret);
153 
154 	if (ret == 0)
155 		sdata->flags |= IEEE80211_SDATA_IN_DRIVER;
156 
157 	return ret;
158 }
159 
160 static inline int drv_change_interface(struct ieee80211_local *local,
161 				       struct ieee80211_sub_if_data *sdata,
162 				       enum nl80211_iftype type, bool p2p)
163 {
164 	int ret;
165 
166 	might_sleep();
167 
168 	check_sdata_in_driver(sdata);
169 
170 	trace_drv_change_interface(local, sdata, type, p2p);
171 	ret = local->ops->change_interface(&local->hw, &sdata->vif, type, p2p);
172 	trace_drv_return_int(local, ret);
173 	return ret;
174 }
175 
176 static inline void drv_remove_interface(struct ieee80211_local *local,
177 					struct ieee80211_sub_if_data *sdata)
178 {
179 	might_sleep();
180 
181 	check_sdata_in_driver(sdata);
182 
183 	trace_drv_remove_interface(local, sdata);
184 	local->ops->remove_interface(&local->hw, &sdata->vif);
185 	sdata->flags &= ~IEEE80211_SDATA_IN_DRIVER;
186 	trace_drv_return_void(local);
187 }
188 
189 static inline int drv_config(struct ieee80211_local *local, u32 changed)
190 {
191 	int ret;
192 
193 	might_sleep();
194 
195 	trace_drv_config(local, changed);
196 	ret = local->ops->config(&local->hw, changed);
197 	trace_drv_return_int(local, ret);
198 	return ret;
199 }
200 
201 static inline void drv_bss_info_changed(struct ieee80211_local *local,
202 					struct ieee80211_sub_if_data *sdata,
203 					struct ieee80211_bss_conf *info,
204 					u32 changed)
205 {
206 	might_sleep();
207 
208 	check_sdata_in_driver(sdata);
209 
210 	trace_drv_bss_info_changed(local, sdata, info, changed);
211 	if (local->ops->bss_info_changed)
212 		local->ops->bss_info_changed(&local->hw, &sdata->vif, info, changed);
213 	trace_drv_return_void(local);
214 }
215 
216 static inline u64 drv_prepare_multicast(struct ieee80211_local *local,
217 					struct netdev_hw_addr_list *mc_list)
218 {
219 	u64 ret = 0;
220 
221 	trace_drv_prepare_multicast(local, mc_list->count);
222 
223 	if (local->ops->prepare_multicast)
224 		ret = local->ops->prepare_multicast(&local->hw, mc_list);
225 
226 	trace_drv_return_u64(local, ret);
227 
228 	return ret;
229 }
230 
231 static inline void drv_configure_filter(struct ieee80211_local *local,
232 					unsigned int changed_flags,
233 					unsigned int *total_flags,
234 					u64 multicast)
235 {
236 	might_sleep();
237 
238 	trace_drv_configure_filter(local, changed_flags, total_flags,
239 				   multicast);
240 	local->ops->configure_filter(&local->hw, changed_flags, total_flags,
241 				     multicast);
242 	trace_drv_return_void(local);
243 }
244 
245 static inline int drv_set_tim(struct ieee80211_local *local,
246 			      struct ieee80211_sta *sta, bool set)
247 {
248 	int ret = 0;
249 	trace_drv_set_tim(local, sta, set);
250 	if (local->ops->set_tim)
251 		ret = local->ops->set_tim(&local->hw, sta, set);
252 	trace_drv_return_int(local, ret);
253 	return ret;
254 }
255 
256 static inline int drv_set_key(struct ieee80211_local *local,
257 			      enum set_key_cmd cmd,
258 			      struct ieee80211_sub_if_data *sdata,
259 			      struct ieee80211_sta *sta,
260 			      struct ieee80211_key_conf *key)
261 {
262 	int ret;
263 
264 	might_sleep();
265 
266 	sdata = get_bss_sdata(sdata);
267 	check_sdata_in_driver(sdata);
268 
269 	trace_drv_set_key(local, cmd, sdata, sta, key);
270 	ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key);
271 	trace_drv_return_int(local, ret);
272 	return ret;
273 }
274 
275 static inline void drv_update_tkip_key(struct ieee80211_local *local,
276 				       struct ieee80211_sub_if_data *sdata,
277 				       struct ieee80211_key_conf *conf,
278 				       struct sta_info *sta, u32 iv32,
279 				       u16 *phase1key)
280 {
281 	struct ieee80211_sta *ista = NULL;
282 
283 	if (sta)
284 		ista = &sta->sta;
285 
286 	sdata = get_bss_sdata(sdata);
287 	check_sdata_in_driver(sdata);
288 
289 	trace_drv_update_tkip_key(local, sdata, conf, ista, iv32);
290 	if (local->ops->update_tkip_key)
291 		local->ops->update_tkip_key(&local->hw, &sdata->vif, conf,
292 					    ista, iv32, phase1key);
293 	trace_drv_return_void(local);
294 }
295 
296 static inline int drv_hw_scan(struct ieee80211_local *local,
297 			      struct ieee80211_sub_if_data *sdata,
298 			      struct cfg80211_scan_request *req)
299 {
300 	int ret;
301 
302 	might_sleep();
303 
304 	check_sdata_in_driver(sdata);
305 
306 	trace_drv_hw_scan(local, sdata);
307 	ret = local->ops->hw_scan(&local->hw, &sdata->vif, req);
308 	trace_drv_return_int(local, ret);
309 	return ret;
310 }
311 
312 static inline void drv_cancel_hw_scan(struct ieee80211_local *local,
313 				      struct ieee80211_sub_if_data *sdata)
314 {
315 	might_sleep();
316 
317 	check_sdata_in_driver(sdata);
318 
319 	trace_drv_cancel_hw_scan(local, sdata);
320 	local->ops->cancel_hw_scan(&local->hw, &sdata->vif);
321 	trace_drv_return_void(local);
322 }
323 
324 static inline int
325 drv_sched_scan_start(struct ieee80211_local *local,
326 		     struct ieee80211_sub_if_data *sdata,
327 		     struct cfg80211_sched_scan_request *req,
328 		     struct ieee80211_sched_scan_ies *ies)
329 {
330 	int ret;
331 
332 	might_sleep();
333 
334 	check_sdata_in_driver(sdata);
335 
336 	trace_drv_sched_scan_start(local, sdata);
337 	ret = local->ops->sched_scan_start(&local->hw, &sdata->vif,
338 					      req, ies);
339 	trace_drv_return_int(local, ret);
340 	return ret;
341 }
342 
343 static inline void drv_sched_scan_stop(struct ieee80211_local *local,
344 				       struct ieee80211_sub_if_data *sdata)
345 {
346 	might_sleep();
347 
348 	check_sdata_in_driver(sdata);
349 
350 	trace_drv_sched_scan_stop(local, sdata);
351 	local->ops->sched_scan_stop(&local->hw, &sdata->vif);
352 	trace_drv_return_void(local);
353 }
354 
355 static inline void drv_sw_scan_start(struct ieee80211_local *local)
356 {
357 	might_sleep();
358 
359 	trace_drv_sw_scan_start(local);
360 	if (local->ops->sw_scan_start)
361 		local->ops->sw_scan_start(&local->hw);
362 	trace_drv_return_void(local);
363 }
364 
365 static inline void drv_sw_scan_complete(struct ieee80211_local *local)
366 {
367 	might_sleep();
368 
369 	trace_drv_sw_scan_complete(local);
370 	if (local->ops->sw_scan_complete)
371 		local->ops->sw_scan_complete(&local->hw);
372 	trace_drv_return_void(local);
373 }
374 
375 static inline int drv_get_stats(struct ieee80211_local *local,
376 				struct ieee80211_low_level_stats *stats)
377 {
378 	int ret = -EOPNOTSUPP;
379 
380 	might_sleep();
381 
382 	if (local->ops->get_stats)
383 		ret = local->ops->get_stats(&local->hw, stats);
384 	trace_drv_get_stats(local, stats, ret);
385 
386 	return ret;
387 }
388 
389 static inline void drv_get_tkip_seq(struct ieee80211_local *local,
390 				    u8 hw_key_idx, u32 *iv32, u16 *iv16)
391 {
392 	if (local->ops->get_tkip_seq)
393 		local->ops->get_tkip_seq(&local->hw, hw_key_idx, iv32, iv16);
394 	trace_drv_get_tkip_seq(local, hw_key_idx, iv32, iv16);
395 }
396 
397 static inline int drv_set_frag_threshold(struct ieee80211_local *local,
398 					u32 value)
399 {
400 	int ret = 0;
401 
402 	might_sleep();
403 
404 	trace_drv_set_frag_threshold(local, value);
405 	if (local->ops->set_frag_threshold)
406 		ret = local->ops->set_frag_threshold(&local->hw, value);
407 	trace_drv_return_int(local, ret);
408 	return ret;
409 }
410 
411 static inline int drv_set_rts_threshold(struct ieee80211_local *local,
412 					u32 value)
413 {
414 	int ret = 0;
415 
416 	might_sleep();
417 
418 	trace_drv_set_rts_threshold(local, value);
419 	if (local->ops->set_rts_threshold)
420 		ret = local->ops->set_rts_threshold(&local->hw, value);
421 	trace_drv_return_int(local, ret);
422 	return ret;
423 }
424 
425 static inline int drv_set_coverage_class(struct ieee80211_local *local,
426 					 u8 value)
427 {
428 	int ret = 0;
429 	might_sleep();
430 
431 	trace_drv_set_coverage_class(local, value);
432 	if (local->ops->set_coverage_class)
433 		local->ops->set_coverage_class(&local->hw, value);
434 	else
435 		ret = -EOPNOTSUPP;
436 
437 	trace_drv_return_int(local, ret);
438 	return ret;
439 }
440 
441 static inline void drv_sta_notify(struct ieee80211_local *local,
442 				  struct ieee80211_sub_if_data *sdata,
443 				  enum sta_notify_cmd cmd,
444 				  struct ieee80211_sta *sta)
445 {
446 	sdata = get_bss_sdata(sdata);
447 	check_sdata_in_driver(sdata);
448 
449 	trace_drv_sta_notify(local, sdata, cmd, sta);
450 	if (local->ops->sta_notify)
451 		local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta);
452 	trace_drv_return_void(local);
453 }
454 
455 static inline int drv_sta_add(struct ieee80211_local *local,
456 			      struct ieee80211_sub_if_data *sdata,
457 			      struct ieee80211_sta *sta)
458 {
459 	int ret = 0;
460 
461 	might_sleep();
462 
463 	sdata = get_bss_sdata(sdata);
464 	check_sdata_in_driver(sdata);
465 
466 	trace_drv_sta_add(local, sdata, sta);
467 	if (local->ops->sta_add)
468 		ret = local->ops->sta_add(&local->hw, &sdata->vif, sta);
469 
470 	trace_drv_return_int(local, ret);
471 
472 	return ret;
473 }
474 
475 static inline void drv_sta_remove(struct ieee80211_local *local,
476 				  struct ieee80211_sub_if_data *sdata,
477 				  struct ieee80211_sta *sta)
478 {
479 	might_sleep();
480 
481 	sdata = get_bss_sdata(sdata);
482 	check_sdata_in_driver(sdata);
483 
484 	trace_drv_sta_remove(local, sdata, sta);
485 	if (local->ops->sta_remove)
486 		local->ops->sta_remove(&local->hw, &sdata->vif, sta);
487 
488 	trace_drv_return_void(local);
489 }
490 
491 static inline __must_check
492 int drv_sta_state(struct ieee80211_local *local,
493 		  struct ieee80211_sub_if_data *sdata,
494 		  struct sta_info *sta,
495 		  enum ieee80211_sta_state old_state,
496 		  enum ieee80211_sta_state new_state)
497 {
498 	int ret = 0;
499 
500 	might_sleep();
501 
502 	sdata = get_bss_sdata(sdata);
503 	check_sdata_in_driver(sdata);
504 
505 	trace_drv_sta_state(local, sdata, &sta->sta, old_state, new_state);
506 	if (local->ops->sta_state) {
507 		ret = local->ops->sta_state(&local->hw, &sdata->vif, &sta->sta,
508 					    old_state, new_state);
509 	} else if (old_state == IEEE80211_STA_AUTH &&
510 		   new_state == IEEE80211_STA_ASSOC) {
511 		ret = drv_sta_add(local, sdata, &sta->sta);
512 		if (ret == 0)
513 			sta->uploaded = true;
514 	} else if (old_state == IEEE80211_STA_ASSOC &&
515 		   new_state == IEEE80211_STA_AUTH) {
516 		drv_sta_remove(local, sdata, &sta->sta);
517 	}
518 	trace_drv_return_int(local, ret);
519 	return ret;
520 }
521 
522 static inline void drv_sta_rc_update(struct ieee80211_local *local,
523 				     struct ieee80211_sub_if_data *sdata,
524 				     struct ieee80211_sta *sta, u32 changed)
525 {
526 	sdata = get_bss_sdata(sdata);
527 	check_sdata_in_driver(sdata);
528 
529 	trace_drv_sta_rc_update(local, sdata, sta, changed);
530 	if (local->ops->sta_rc_update)
531 		local->ops->sta_rc_update(&local->hw, &sdata->vif,
532 					  sta, changed);
533 
534 	trace_drv_return_void(local);
535 }
536 
537 static inline int drv_conf_tx(struct ieee80211_local *local,
538 			      struct ieee80211_sub_if_data *sdata, u16 ac,
539 			      const struct ieee80211_tx_queue_params *params)
540 {
541 	int ret = -EOPNOTSUPP;
542 
543 	might_sleep();
544 
545 	check_sdata_in_driver(sdata);
546 
547 	trace_drv_conf_tx(local, sdata, ac, params);
548 	if (local->ops->conf_tx)
549 		ret = local->ops->conf_tx(&local->hw, &sdata->vif,
550 					  ac, params);
551 	trace_drv_return_int(local, ret);
552 	return ret;
553 }
554 
555 static inline u64 drv_get_tsf(struct ieee80211_local *local,
556 			      struct ieee80211_sub_if_data *sdata)
557 {
558 	u64 ret = -1ULL;
559 
560 	might_sleep();
561 
562 	check_sdata_in_driver(sdata);
563 
564 	trace_drv_get_tsf(local, sdata);
565 	if (local->ops->get_tsf)
566 		ret = local->ops->get_tsf(&local->hw, &sdata->vif);
567 	trace_drv_return_u64(local, ret);
568 	return ret;
569 }
570 
571 static inline void drv_set_tsf(struct ieee80211_local *local,
572 			       struct ieee80211_sub_if_data *sdata,
573 			       u64 tsf)
574 {
575 	might_sleep();
576 
577 	check_sdata_in_driver(sdata);
578 
579 	trace_drv_set_tsf(local, sdata, tsf);
580 	if (local->ops->set_tsf)
581 		local->ops->set_tsf(&local->hw, &sdata->vif, tsf);
582 	trace_drv_return_void(local);
583 }
584 
585 static inline void drv_reset_tsf(struct ieee80211_local *local,
586 				 struct ieee80211_sub_if_data *sdata)
587 {
588 	might_sleep();
589 
590 	check_sdata_in_driver(sdata);
591 
592 	trace_drv_reset_tsf(local, sdata);
593 	if (local->ops->reset_tsf)
594 		local->ops->reset_tsf(&local->hw, &sdata->vif);
595 	trace_drv_return_void(local);
596 }
597 
598 static inline int drv_tx_last_beacon(struct ieee80211_local *local)
599 {
600 	int ret = 0; /* default unsuported op for less congestion */
601 
602 	might_sleep();
603 
604 	trace_drv_tx_last_beacon(local);
605 	if (local->ops->tx_last_beacon)
606 		ret = local->ops->tx_last_beacon(&local->hw);
607 	trace_drv_return_int(local, ret);
608 	return ret;
609 }
610 
611 static inline int drv_ampdu_action(struct ieee80211_local *local,
612 				   struct ieee80211_sub_if_data *sdata,
613 				   enum ieee80211_ampdu_mlme_action action,
614 				   struct ieee80211_sta *sta, u16 tid,
615 				   u16 *ssn, u8 buf_size)
616 {
617 	int ret = -EOPNOTSUPP;
618 
619 	might_sleep();
620 
621 	sdata = get_bss_sdata(sdata);
622 	check_sdata_in_driver(sdata);
623 
624 	trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, buf_size);
625 
626 	if (local->ops->ampdu_action)
627 		ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
628 					       sta, tid, ssn, buf_size);
629 
630 	trace_drv_return_int(local, ret);
631 
632 	return ret;
633 }
634 
635 static inline int drv_get_survey(struct ieee80211_local *local, int idx,
636 				struct survey_info *survey)
637 {
638 	int ret = -EOPNOTSUPP;
639 
640 	trace_drv_get_survey(local, idx, survey);
641 
642 	if (local->ops->get_survey)
643 		ret = local->ops->get_survey(&local->hw, idx, survey);
644 
645 	trace_drv_return_int(local, ret);
646 
647 	return ret;
648 }
649 
650 static inline void drv_rfkill_poll(struct ieee80211_local *local)
651 {
652 	might_sleep();
653 
654 	if (local->ops->rfkill_poll)
655 		local->ops->rfkill_poll(&local->hw);
656 }
657 
658 static inline void drv_flush(struct ieee80211_local *local, bool drop)
659 {
660 	might_sleep();
661 
662 	trace_drv_flush(local, drop);
663 	if (local->ops->flush)
664 		local->ops->flush(&local->hw, drop);
665 	trace_drv_return_void(local);
666 }
667 
668 static inline void drv_channel_switch(struct ieee80211_local *local,
669 				     struct ieee80211_channel_switch *ch_switch)
670 {
671 	might_sleep();
672 
673 	trace_drv_channel_switch(local, ch_switch);
674 	local->ops->channel_switch(&local->hw, ch_switch);
675 	trace_drv_return_void(local);
676 }
677 
678 
679 static inline int drv_set_antenna(struct ieee80211_local *local,
680 				  u32 tx_ant, u32 rx_ant)
681 {
682 	int ret = -EOPNOTSUPP;
683 	might_sleep();
684 	if (local->ops->set_antenna)
685 		ret = local->ops->set_antenna(&local->hw, tx_ant, rx_ant);
686 	trace_drv_set_antenna(local, tx_ant, rx_ant, ret);
687 	return ret;
688 }
689 
690 static inline int drv_get_antenna(struct ieee80211_local *local,
691 				  u32 *tx_ant, u32 *rx_ant)
692 {
693 	int ret = -EOPNOTSUPP;
694 	might_sleep();
695 	if (local->ops->get_antenna)
696 		ret = local->ops->get_antenna(&local->hw, tx_ant, rx_ant);
697 	trace_drv_get_antenna(local, *tx_ant, *rx_ant, ret);
698 	return ret;
699 }
700 
701 static inline int drv_remain_on_channel(struct ieee80211_local *local,
702 					struct ieee80211_channel *chan,
703 					enum nl80211_channel_type chantype,
704 					unsigned int duration)
705 {
706 	int ret;
707 
708 	might_sleep();
709 
710 	trace_drv_remain_on_channel(local, chan, chantype, duration);
711 	ret = local->ops->remain_on_channel(&local->hw, chan, chantype,
712 					    duration);
713 	trace_drv_return_int(local, ret);
714 
715 	return ret;
716 }
717 
718 static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local)
719 {
720 	int ret;
721 
722 	might_sleep();
723 
724 	trace_drv_cancel_remain_on_channel(local);
725 	ret = local->ops->cancel_remain_on_channel(&local->hw);
726 	trace_drv_return_int(local, ret);
727 
728 	return ret;
729 }
730 
731 static inline int drv_set_ringparam(struct ieee80211_local *local,
732 				    u32 tx, u32 rx)
733 {
734 	int ret = -ENOTSUPP;
735 
736 	might_sleep();
737 
738 	trace_drv_set_ringparam(local, tx, rx);
739 	if (local->ops->set_ringparam)
740 		ret = local->ops->set_ringparam(&local->hw, tx, rx);
741 	trace_drv_return_int(local, ret);
742 
743 	return ret;
744 }
745 
746 static inline void drv_get_ringparam(struct ieee80211_local *local,
747 				     u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
748 {
749 	might_sleep();
750 
751 	trace_drv_get_ringparam(local, tx, tx_max, rx, rx_max);
752 	if (local->ops->get_ringparam)
753 		local->ops->get_ringparam(&local->hw, tx, tx_max, rx, rx_max);
754 	trace_drv_return_void(local);
755 }
756 
757 static inline bool drv_tx_frames_pending(struct ieee80211_local *local)
758 {
759 	bool ret = false;
760 
761 	might_sleep();
762 
763 	trace_drv_tx_frames_pending(local);
764 	if (local->ops->tx_frames_pending)
765 		ret = local->ops->tx_frames_pending(&local->hw);
766 	trace_drv_return_bool(local, ret);
767 
768 	return ret;
769 }
770 
771 static inline int drv_set_bitrate_mask(struct ieee80211_local *local,
772 				       struct ieee80211_sub_if_data *sdata,
773 				       const struct cfg80211_bitrate_mask *mask)
774 {
775 	int ret = -EOPNOTSUPP;
776 
777 	might_sleep();
778 
779 	check_sdata_in_driver(sdata);
780 
781 	trace_drv_set_bitrate_mask(local, sdata, mask);
782 	if (local->ops->set_bitrate_mask)
783 		ret = local->ops->set_bitrate_mask(&local->hw,
784 						   &sdata->vif, mask);
785 	trace_drv_return_int(local, ret);
786 
787 	return ret;
788 }
789 
790 static inline void drv_set_rekey_data(struct ieee80211_local *local,
791 				      struct ieee80211_sub_if_data *sdata,
792 				      struct cfg80211_gtk_rekey_data *data)
793 {
794 	check_sdata_in_driver(sdata);
795 
796 	trace_drv_set_rekey_data(local, sdata, data);
797 	if (local->ops->set_rekey_data)
798 		local->ops->set_rekey_data(&local->hw, &sdata->vif, data);
799 	trace_drv_return_void(local);
800 }
801 
802 static inline void drv_rssi_callback(struct ieee80211_local *local,
803 				     const enum ieee80211_rssi_event event)
804 {
805 	trace_drv_rssi_callback(local, event);
806 	if (local->ops->rssi_callback)
807 		local->ops->rssi_callback(&local->hw, event);
808 	trace_drv_return_void(local);
809 }
810 
811 static inline void
812 drv_release_buffered_frames(struct ieee80211_local *local,
813 			    struct sta_info *sta, u16 tids, int num_frames,
814 			    enum ieee80211_frame_release_type reason,
815 			    bool more_data)
816 {
817 	trace_drv_release_buffered_frames(local, &sta->sta, tids, num_frames,
818 					  reason, more_data);
819 	if (local->ops->release_buffered_frames)
820 		local->ops->release_buffered_frames(&local->hw, &sta->sta, tids,
821 						    num_frames, reason,
822 						    more_data);
823 	trace_drv_return_void(local);
824 }
825 
826 static inline void
827 drv_allow_buffered_frames(struct ieee80211_local *local,
828 			  struct sta_info *sta, u16 tids, int num_frames,
829 			  enum ieee80211_frame_release_type reason,
830 			  bool more_data)
831 {
832 	trace_drv_allow_buffered_frames(local, &sta->sta, tids, num_frames,
833 					reason, more_data);
834 	if (local->ops->allow_buffered_frames)
835 		local->ops->allow_buffered_frames(&local->hw, &sta->sta,
836 						  tids, num_frames, reason,
837 						  more_data);
838 	trace_drv_return_void(local);
839 }
840 
841 static inline int drv_get_rssi(struct ieee80211_local *local,
842 				struct ieee80211_sub_if_data *sdata,
843 				struct ieee80211_sta *sta,
844 				s8 *rssi_dbm)
845 {
846 	int ret;
847 
848 	might_sleep();
849 
850 	ret = local->ops->get_rssi(&local->hw, &sdata->vif, sta, rssi_dbm);
851 	trace_drv_get_rssi(local, sta, *rssi_dbm, ret);
852 
853 	return ret;
854 }
855 
856 static inline void drv_mgd_prepare_tx(struct ieee80211_local *local,
857 				      struct ieee80211_sub_if_data *sdata)
858 {
859 	might_sleep();
860 
861 	check_sdata_in_driver(sdata);
862 	WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION);
863 
864 	trace_drv_mgd_prepare_tx(local, sdata);
865 	if (local->ops->mgd_prepare_tx)
866 		local->ops->mgd_prepare_tx(&local->hw, &sdata->vif);
867 	trace_drv_return_void(local);
868 }
869 #endif /* __MAC80211_DRIVER_OPS */
870