xref: /linux/net/mac80211/driver-ops.h (revision fbc872c38c8fed31948c85683b5326ee5ab9fccc)
1 /*
2 * Portions of this file
3 * Copyright(c) 2016 Intel Deutschland GmbH
4 */
5 
6 #ifndef __MAC80211_DRIVER_OPS
7 #define __MAC80211_DRIVER_OPS
8 
9 #include <net/mac80211.h>
10 #include "ieee80211_i.h"
11 #include "trace.h"
12 
13 static inline bool check_sdata_in_driver(struct ieee80211_sub_if_data *sdata)
14 {
15 	return !WARN(!(sdata->flags & IEEE80211_SDATA_IN_DRIVER),
16 		     "%s:  Failed check-sdata-in-driver check, flags: 0x%x\n",
17 		     sdata->dev ? sdata->dev->name : sdata->name, sdata->flags);
18 }
19 
20 static inline struct ieee80211_sub_if_data *
21 get_bss_sdata(struct ieee80211_sub_if_data *sdata)
22 {
23 	if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
24 		sdata = container_of(sdata->bss, struct ieee80211_sub_if_data,
25 				     u.ap);
26 
27 	return sdata;
28 }
29 
30 static inline void drv_tx(struct ieee80211_local *local,
31 			  struct ieee80211_tx_control *control,
32 			  struct sk_buff *skb)
33 {
34 	local->ops->tx(&local->hw, control, skb);
35 }
36 
37 static inline void drv_sync_rx_queues(struct ieee80211_local *local,
38 				      struct sta_info *sta)
39 {
40 	if (local->ops->sync_rx_queues) {
41 		trace_drv_sync_rx_queues(local, sta->sdata, &sta->sta);
42 		local->ops->sync_rx_queues(&local->hw);
43 		trace_drv_return_void(local);
44 	}
45 }
46 
47 static inline void drv_get_et_strings(struct ieee80211_sub_if_data *sdata,
48 				      u32 sset, u8 *data)
49 {
50 	struct ieee80211_local *local = sdata->local;
51 	if (local->ops->get_et_strings) {
52 		trace_drv_get_et_strings(local, sset);
53 		local->ops->get_et_strings(&local->hw, &sdata->vif, sset, data);
54 		trace_drv_return_void(local);
55 	}
56 }
57 
58 static inline void drv_get_et_stats(struct ieee80211_sub_if_data *sdata,
59 				    struct ethtool_stats *stats,
60 				    u64 *data)
61 {
62 	struct ieee80211_local *local = sdata->local;
63 	if (local->ops->get_et_stats) {
64 		trace_drv_get_et_stats(local);
65 		local->ops->get_et_stats(&local->hw, &sdata->vif, stats, data);
66 		trace_drv_return_void(local);
67 	}
68 }
69 
70 static inline int drv_get_et_sset_count(struct ieee80211_sub_if_data *sdata,
71 					int sset)
72 {
73 	struct ieee80211_local *local = sdata->local;
74 	int rv = 0;
75 	if (local->ops->get_et_sset_count) {
76 		trace_drv_get_et_sset_count(local, sset);
77 		rv = local->ops->get_et_sset_count(&local->hw, &sdata->vif,
78 						   sset);
79 		trace_drv_return_int(local, rv);
80 	}
81 	return rv;
82 }
83 
84 int drv_start(struct ieee80211_local *local);
85 void drv_stop(struct ieee80211_local *local);
86 
87 #ifdef CONFIG_PM
88 static inline int drv_suspend(struct ieee80211_local *local,
89 			      struct cfg80211_wowlan *wowlan)
90 {
91 	int ret;
92 
93 	might_sleep();
94 
95 	trace_drv_suspend(local);
96 	ret = local->ops->suspend(&local->hw, wowlan);
97 	trace_drv_return_int(local, ret);
98 	return ret;
99 }
100 
101 static inline int drv_resume(struct ieee80211_local *local)
102 {
103 	int ret;
104 
105 	might_sleep();
106 
107 	trace_drv_resume(local);
108 	ret = local->ops->resume(&local->hw);
109 	trace_drv_return_int(local, ret);
110 	return ret;
111 }
112 
113 static inline void drv_set_wakeup(struct ieee80211_local *local,
114 				  bool enabled)
115 {
116 	might_sleep();
117 
118 	if (!local->ops->set_wakeup)
119 		return;
120 
121 	trace_drv_set_wakeup(local, enabled);
122 	local->ops->set_wakeup(&local->hw, enabled);
123 	trace_drv_return_void(local);
124 }
125 #endif
126 
127 int drv_add_interface(struct ieee80211_local *local,
128 		      struct ieee80211_sub_if_data *sdata);
129 
130 int drv_change_interface(struct ieee80211_local *local,
131 			 struct ieee80211_sub_if_data *sdata,
132 			 enum nl80211_iftype type, bool p2p);
133 
134 void drv_remove_interface(struct ieee80211_local *local,
135 			  struct ieee80211_sub_if_data *sdata);
136 
137 static inline int drv_config(struct ieee80211_local *local, u32 changed)
138 {
139 	int ret;
140 
141 	might_sleep();
142 
143 	trace_drv_config(local, changed);
144 	ret = local->ops->config(&local->hw, changed);
145 	trace_drv_return_int(local, ret);
146 	return ret;
147 }
148 
149 static inline void drv_bss_info_changed(struct ieee80211_local *local,
150 					struct ieee80211_sub_if_data *sdata,
151 					struct ieee80211_bss_conf *info,
152 					u32 changed)
153 {
154 	might_sleep();
155 
156 	if (WARN_ON_ONCE(changed & (BSS_CHANGED_BEACON |
157 				    BSS_CHANGED_BEACON_ENABLED) &&
158 			 sdata->vif.type != NL80211_IFTYPE_AP &&
159 			 sdata->vif.type != NL80211_IFTYPE_ADHOC &&
160 			 sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
161 			 sdata->vif.type != NL80211_IFTYPE_OCB))
162 		return;
163 
164 	if (WARN_ON_ONCE(sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE ||
165 			 sdata->vif.type == NL80211_IFTYPE_MONITOR))
166 		return;
167 
168 	if (!check_sdata_in_driver(sdata))
169 		return;
170 
171 	trace_drv_bss_info_changed(local, sdata, info, changed);
172 	if (local->ops->bss_info_changed)
173 		local->ops->bss_info_changed(&local->hw, &sdata->vif, info, changed);
174 	trace_drv_return_void(local);
175 }
176 
177 static inline u64 drv_prepare_multicast(struct ieee80211_local *local,
178 					struct netdev_hw_addr_list *mc_list)
179 {
180 	u64 ret = 0;
181 
182 	trace_drv_prepare_multicast(local, mc_list->count);
183 
184 	if (local->ops->prepare_multicast)
185 		ret = local->ops->prepare_multicast(&local->hw, mc_list);
186 
187 	trace_drv_return_u64(local, ret);
188 
189 	return ret;
190 }
191 
192 static inline void drv_configure_filter(struct ieee80211_local *local,
193 					unsigned int changed_flags,
194 					unsigned int *total_flags,
195 					u64 multicast)
196 {
197 	might_sleep();
198 
199 	trace_drv_configure_filter(local, changed_flags, total_flags,
200 				   multicast);
201 	local->ops->configure_filter(&local->hw, changed_flags, total_flags,
202 				     multicast);
203 	trace_drv_return_void(local);
204 }
205 
206 static inline void drv_config_iface_filter(struct ieee80211_local *local,
207 					   struct ieee80211_sub_if_data *sdata,
208 					   unsigned int filter_flags,
209 					   unsigned int changed_flags)
210 {
211 	might_sleep();
212 
213 	trace_drv_config_iface_filter(local, sdata, filter_flags,
214 				      changed_flags);
215 	if (local->ops->config_iface_filter)
216 		local->ops->config_iface_filter(&local->hw, &sdata->vif,
217 						filter_flags,
218 						changed_flags);
219 	trace_drv_return_void(local);
220 }
221 
222 static inline int drv_set_tim(struct ieee80211_local *local,
223 			      struct ieee80211_sta *sta, bool set)
224 {
225 	int ret = 0;
226 	trace_drv_set_tim(local, sta, set);
227 	if (local->ops->set_tim)
228 		ret = local->ops->set_tim(&local->hw, sta, set);
229 	trace_drv_return_int(local, ret);
230 	return ret;
231 }
232 
233 static inline int drv_set_key(struct ieee80211_local *local,
234 			      enum set_key_cmd cmd,
235 			      struct ieee80211_sub_if_data *sdata,
236 			      struct ieee80211_sta *sta,
237 			      struct ieee80211_key_conf *key)
238 {
239 	int ret;
240 
241 	might_sleep();
242 
243 	sdata = get_bss_sdata(sdata);
244 	if (!check_sdata_in_driver(sdata))
245 		return -EIO;
246 
247 	trace_drv_set_key(local, cmd, sdata, sta, key);
248 	ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key);
249 	trace_drv_return_int(local, ret);
250 	return ret;
251 }
252 
253 static inline void drv_update_tkip_key(struct ieee80211_local *local,
254 				       struct ieee80211_sub_if_data *sdata,
255 				       struct ieee80211_key_conf *conf,
256 				       struct sta_info *sta, u32 iv32,
257 				       u16 *phase1key)
258 {
259 	struct ieee80211_sta *ista = NULL;
260 
261 	if (sta)
262 		ista = &sta->sta;
263 
264 	sdata = get_bss_sdata(sdata);
265 	if (!check_sdata_in_driver(sdata))
266 		return;
267 
268 	trace_drv_update_tkip_key(local, sdata, conf, ista, iv32);
269 	if (local->ops->update_tkip_key)
270 		local->ops->update_tkip_key(&local->hw, &sdata->vif, conf,
271 					    ista, iv32, phase1key);
272 	trace_drv_return_void(local);
273 }
274 
275 static inline int drv_hw_scan(struct ieee80211_local *local,
276 			      struct ieee80211_sub_if_data *sdata,
277 			      struct ieee80211_scan_request *req)
278 {
279 	int ret;
280 
281 	might_sleep();
282 
283 	if (!check_sdata_in_driver(sdata))
284 		return -EIO;
285 
286 	trace_drv_hw_scan(local, sdata);
287 	ret = local->ops->hw_scan(&local->hw, &sdata->vif, req);
288 	trace_drv_return_int(local, ret);
289 	return ret;
290 }
291 
292 static inline void drv_cancel_hw_scan(struct ieee80211_local *local,
293 				      struct ieee80211_sub_if_data *sdata)
294 {
295 	might_sleep();
296 
297 	if (!check_sdata_in_driver(sdata))
298 		return;
299 
300 	trace_drv_cancel_hw_scan(local, sdata);
301 	local->ops->cancel_hw_scan(&local->hw, &sdata->vif);
302 	trace_drv_return_void(local);
303 }
304 
305 static inline int
306 drv_sched_scan_start(struct ieee80211_local *local,
307 		     struct ieee80211_sub_if_data *sdata,
308 		     struct cfg80211_sched_scan_request *req,
309 		     struct ieee80211_scan_ies *ies)
310 {
311 	int ret;
312 
313 	might_sleep();
314 
315 	if (!check_sdata_in_driver(sdata))
316 		return -EIO;
317 
318 	trace_drv_sched_scan_start(local, sdata);
319 	ret = local->ops->sched_scan_start(&local->hw, &sdata->vif,
320 					      req, ies);
321 	trace_drv_return_int(local, ret);
322 	return ret;
323 }
324 
325 static inline int drv_sched_scan_stop(struct ieee80211_local *local,
326 				      struct ieee80211_sub_if_data *sdata)
327 {
328 	int ret;
329 
330 	might_sleep();
331 
332 	if (!check_sdata_in_driver(sdata))
333 		return -EIO;
334 
335 	trace_drv_sched_scan_stop(local, sdata);
336 	ret = local->ops->sched_scan_stop(&local->hw, &sdata->vif);
337 	trace_drv_return_int(local, ret);
338 
339 	return ret;
340 }
341 
342 static inline void drv_sw_scan_start(struct ieee80211_local *local,
343 				     struct ieee80211_sub_if_data *sdata,
344 				     const u8 *mac_addr)
345 {
346 	might_sleep();
347 
348 	trace_drv_sw_scan_start(local, sdata, mac_addr);
349 	if (local->ops->sw_scan_start)
350 		local->ops->sw_scan_start(&local->hw, &sdata->vif, mac_addr);
351 	trace_drv_return_void(local);
352 }
353 
354 static inline void drv_sw_scan_complete(struct ieee80211_local *local,
355 					struct ieee80211_sub_if_data *sdata)
356 {
357 	might_sleep();
358 
359 	trace_drv_sw_scan_complete(local, sdata);
360 	if (local->ops->sw_scan_complete)
361 		local->ops->sw_scan_complete(&local->hw, &sdata->vif);
362 	trace_drv_return_void(local);
363 }
364 
365 static inline int drv_get_stats(struct ieee80211_local *local,
366 				struct ieee80211_low_level_stats *stats)
367 {
368 	int ret = -EOPNOTSUPP;
369 
370 	might_sleep();
371 
372 	if (local->ops->get_stats)
373 		ret = local->ops->get_stats(&local->hw, stats);
374 	trace_drv_get_stats(local, stats, ret);
375 
376 	return ret;
377 }
378 
379 static inline void drv_get_key_seq(struct ieee80211_local *local,
380 				   struct ieee80211_key *key,
381 				   struct ieee80211_key_seq *seq)
382 {
383 	if (local->ops->get_key_seq)
384 		local->ops->get_key_seq(&local->hw, &key->conf, seq);
385 	trace_drv_get_key_seq(local, &key->conf);
386 }
387 
388 static inline int drv_set_frag_threshold(struct ieee80211_local *local,
389 					u32 value)
390 {
391 	int ret = 0;
392 
393 	might_sleep();
394 
395 	trace_drv_set_frag_threshold(local, value);
396 	if (local->ops->set_frag_threshold)
397 		ret = local->ops->set_frag_threshold(&local->hw, value);
398 	trace_drv_return_int(local, ret);
399 	return ret;
400 }
401 
402 static inline int drv_set_rts_threshold(struct ieee80211_local *local,
403 					u32 value)
404 {
405 	int ret = 0;
406 
407 	might_sleep();
408 
409 	trace_drv_set_rts_threshold(local, value);
410 	if (local->ops->set_rts_threshold)
411 		ret = local->ops->set_rts_threshold(&local->hw, value);
412 	trace_drv_return_int(local, ret);
413 	return ret;
414 }
415 
416 static inline int drv_set_coverage_class(struct ieee80211_local *local,
417 					 s16 value)
418 {
419 	int ret = 0;
420 	might_sleep();
421 
422 	trace_drv_set_coverage_class(local, value);
423 	if (local->ops->set_coverage_class)
424 		local->ops->set_coverage_class(&local->hw, value);
425 	else
426 		ret = -EOPNOTSUPP;
427 
428 	trace_drv_return_int(local, ret);
429 	return ret;
430 }
431 
432 static inline void drv_sta_notify(struct ieee80211_local *local,
433 				  struct ieee80211_sub_if_data *sdata,
434 				  enum sta_notify_cmd cmd,
435 				  struct ieee80211_sta *sta)
436 {
437 	sdata = get_bss_sdata(sdata);
438 	if (!check_sdata_in_driver(sdata))
439 		return;
440 
441 	trace_drv_sta_notify(local, sdata, cmd, sta);
442 	if (local->ops->sta_notify)
443 		local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta);
444 	trace_drv_return_void(local);
445 }
446 
447 static inline int drv_sta_add(struct ieee80211_local *local,
448 			      struct ieee80211_sub_if_data *sdata,
449 			      struct ieee80211_sta *sta)
450 {
451 	int ret = 0;
452 
453 	might_sleep();
454 
455 	sdata = get_bss_sdata(sdata);
456 	if (!check_sdata_in_driver(sdata))
457 		return -EIO;
458 
459 	trace_drv_sta_add(local, sdata, sta);
460 	if (local->ops->sta_add)
461 		ret = local->ops->sta_add(&local->hw, &sdata->vif, sta);
462 
463 	trace_drv_return_int(local, ret);
464 
465 	return ret;
466 }
467 
468 static inline void drv_sta_remove(struct ieee80211_local *local,
469 				  struct ieee80211_sub_if_data *sdata,
470 				  struct ieee80211_sta *sta)
471 {
472 	might_sleep();
473 
474 	sdata = get_bss_sdata(sdata);
475 	if (!check_sdata_in_driver(sdata))
476 		return;
477 
478 	trace_drv_sta_remove(local, sdata, sta);
479 	if (local->ops->sta_remove)
480 		local->ops->sta_remove(&local->hw, &sdata->vif, sta);
481 
482 	trace_drv_return_void(local);
483 }
484 
485 #ifdef CONFIG_MAC80211_DEBUGFS
486 static inline void drv_sta_add_debugfs(struct ieee80211_local *local,
487 				       struct ieee80211_sub_if_data *sdata,
488 				       struct ieee80211_sta *sta,
489 				       struct dentry *dir)
490 {
491 	might_sleep();
492 
493 	sdata = get_bss_sdata(sdata);
494 	if (!check_sdata_in_driver(sdata))
495 		return;
496 
497 	if (local->ops->sta_add_debugfs)
498 		local->ops->sta_add_debugfs(&local->hw, &sdata->vif,
499 					    sta, dir);
500 }
501 
502 static inline void drv_sta_remove_debugfs(struct ieee80211_local *local,
503 					  struct ieee80211_sub_if_data *sdata,
504 					  struct ieee80211_sta *sta,
505 					  struct dentry *dir)
506 {
507 	might_sleep();
508 
509 	sdata = get_bss_sdata(sdata);
510 	check_sdata_in_driver(sdata);
511 
512 	if (local->ops->sta_remove_debugfs)
513 		local->ops->sta_remove_debugfs(&local->hw, &sdata->vif,
514 					       sta, dir);
515 }
516 #endif
517 
518 static inline void drv_sta_pre_rcu_remove(struct ieee80211_local *local,
519 					  struct ieee80211_sub_if_data *sdata,
520 					  struct sta_info *sta)
521 {
522 	might_sleep();
523 
524 	sdata = get_bss_sdata(sdata);
525 	if (!check_sdata_in_driver(sdata))
526 		return;
527 
528 	trace_drv_sta_pre_rcu_remove(local, sdata, &sta->sta);
529 	if (local->ops->sta_pre_rcu_remove)
530 		local->ops->sta_pre_rcu_remove(&local->hw, &sdata->vif,
531 					       &sta->sta);
532 	trace_drv_return_void(local);
533 }
534 
535 __must_check
536 int drv_sta_state(struct ieee80211_local *local,
537 		  struct ieee80211_sub_if_data *sdata,
538 		  struct sta_info *sta,
539 		  enum ieee80211_sta_state old_state,
540 		  enum ieee80211_sta_state new_state);
541 
542 void drv_sta_rc_update(struct ieee80211_local *local,
543 		       struct ieee80211_sub_if_data *sdata,
544 		       struct ieee80211_sta *sta, u32 changed);
545 
546 static inline void drv_sta_rate_tbl_update(struct ieee80211_local *local,
547 					   struct ieee80211_sub_if_data *sdata,
548 					   struct ieee80211_sta *sta)
549 {
550 	sdata = get_bss_sdata(sdata);
551 	if (!check_sdata_in_driver(sdata))
552 		return;
553 
554 	trace_drv_sta_rate_tbl_update(local, sdata, sta);
555 	if (local->ops->sta_rate_tbl_update)
556 		local->ops->sta_rate_tbl_update(&local->hw, &sdata->vif, sta);
557 
558 	trace_drv_return_void(local);
559 }
560 
561 static inline void drv_sta_statistics(struct ieee80211_local *local,
562 				      struct ieee80211_sub_if_data *sdata,
563 				      struct ieee80211_sta *sta,
564 				      struct station_info *sinfo)
565 {
566 	sdata = get_bss_sdata(sdata);
567 	if (!check_sdata_in_driver(sdata))
568 		return;
569 
570 	trace_drv_sta_statistics(local, sdata, sta);
571 	if (local->ops->sta_statistics)
572 		local->ops->sta_statistics(&local->hw, &sdata->vif, sta, sinfo);
573 	trace_drv_return_void(local);
574 }
575 
576 int drv_conf_tx(struct ieee80211_local *local,
577 		struct ieee80211_sub_if_data *sdata, u16 ac,
578 		const struct ieee80211_tx_queue_params *params);
579 
580 u64 drv_get_tsf(struct ieee80211_local *local,
581 		struct ieee80211_sub_if_data *sdata);
582 void drv_set_tsf(struct ieee80211_local *local,
583 		 struct ieee80211_sub_if_data *sdata,
584 		 u64 tsf);
585 void drv_reset_tsf(struct ieee80211_local *local,
586 		   struct ieee80211_sub_if_data *sdata);
587 
588 static inline int drv_tx_last_beacon(struct ieee80211_local *local)
589 {
590 	int ret = 0; /* default unsupported op for less congestion */
591 
592 	might_sleep();
593 
594 	trace_drv_tx_last_beacon(local);
595 	if (local->ops->tx_last_beacon)
596 		ret = local->ops->tx_last_beacon(&local->hw);
597 	trace_drv_return_int(local, ret);
598 	return ret;
599 }
600 
601 int drv_ampdu_action(struct ieee80211_local *local,
602 		     struct ieee80211_sub_if_data *sdata,
603 		     struct ieee80211_ampdu_params *params);
604 
605 static inline int drv_get_survey(struct ieee80211_local *local, int idx,
606 				struct survey_info *survey)
607 {
608 	int ret = -EOPNOTSUPP;
609 
610 	trace_drv_get_survey(local, idx, survey);
611 
612 	if (local->ops->get_survey)
613 		ret = local->ops->get_survey(&local->hw, idx, survey);
614 
615 	trace_drv_return_int(local, ret);
616 
617 	return ret;
618 }
619 
620 static inline void drv_rfkill_poll(struct ieee80211_local *local)
621 {
622 	might_sleep();
623 
624 	if (local->ops->rfkill_poll)
625 		local->ops->rfkill_poll(&local->hw);
626 }
627 
628 static inline void drv_flush(struct ieee80211_local *local,
629 			     struct ieee80211_sub_if_data *sdata,
630 			     u32 queues, bool drop)
631 {
632 	struct ieee80211_vif *vif = sdata ? &sdata->vif : NULL;
633 
634 	might_sleep();
635 
636 	if (sdata && !check_sdata_in_driver(sdata))
637 		return;
638 
639 	trace_drv_flush(local, queues, drop);
640 	if (local->ops->flush)
641 		local->ops->flush(&local->hw, vif, queues, drop);
642 	trace_drv_return_void(local);
643 }
644 
645 static inline void drv_channel_switch(struct ieee80211_local *local,
646 				      struct ieee80211_sub_if_data *sdata,
647 				      struct ieee80211_channel_switch *ch_switch)
648 {
649 	might_sleep();
650 
651 	trace_drv_channel_switch(local, sdata, ch_switch);
652 	local->ops->channel_switch(&local->hw, &sdata->vif, ch_switch);
653 	trace_drv_return_void(local);
654 }
655 
656 
657 static inline int drv_set_antenna(struct ieee80211_local *local,
658 				  u32 tx_ant, u32 rx_ant)
659 {
660 	int ret = -EOPNOTSUPP;
661 	might_sleep();
662 	if (local->ops->set_antenna)
663 		ret = local->ops->set_antenna(&local->hw, tx_ant, rx_ant);
664 	trace_drv_set_antenna(local, tx_ant, rx_ant, ret);
665 	return ret;
666 }
667 
668 static inline int drv_get_antenna(struct ieee80211_local *local,
669 				  u32 *tx_ant, u32 *rx_ant)
670 {
671 	int ret = -EOPNOTSUPP;
672 	might_sleep();
673 	if (local->ops->get_antenna)
674 		ret = local->ops->get_antenna(&local->hw, tx_ant, rx_ant);
675 	trace_drv_get_antenna(local, *tx_ant, *rx_ant, ret);
676 	return ret;
677 }
678 
679 static inline int drv_remain_on_channel(struct ieee80211_local *local,
680 					struct ieee80211_sub_if_data *sdata,
681 					struct ieee80211_channel *chan,
682 					unsigned int duration,
683 					enum ieee80211_roc_type type)
684 {
685 	int ret;
686 
687 	might_sleep();
688 
689 	trace_drv_remain_on_channel(local, sdata, chan, duration, type);
690 	ret = local->ops->remain_on_channel(&local->hw, &sdata->vif,
691 					    chan, duration, type);
692 	trace_drv_return_int(local, ret);
693 
694 	return ret;
695 }
696 
697 static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local)
698 {
699 	int ret;
700 
701 	might_sleep();
702 
703 	trace_drv_cancel_remain_on_channel(local);
704 	ret = local->ops->cancel_remain_on_channel(&local->hw);
705 	trace_drv_return_int(local, ret);
706 
707 	return ret;
708 }
709 
710 static inline int drv_set_ringparam(struct ieee80211_local *local,
711 				    u32 tx, u32 rx)
712 {
713 	int ret = -ENOTSUPP;
714 
715 	might_sleep();
716 
717 	trace_drv_set_ringparam(local, tx, rx);
718 	if (local->ops->set_ringparam)
719 		ret = local->ops->set_ringparam(&local->hw, tx, rx);
720 	trace_drv_return_int(local, ret);
721 
722 	return ret;
723 }
724 
725 static inline void drv_get_ringparam(struct ieee80211_local *local,
726 				     u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
727 {
728 	might_sleep();
729 
730 	trace_drv_get_ringparam(local, tx, tx_max, rx, rx_max);
731 	if (local->ops->get_ringparam)
732 		local->ops->get_ringparam(&local->hw, tx, tx_max, rx, rx_max);
733 	trace_drv_return_void(local);
734 }
735 
736 static inline bool drv_tx_frames_pending(struct ieee80211_local *local)
737 {
738 	bool ret = false;
739 
740 	might_sleep();
741 
742 	trace_drv_tx_frames_pending(local);
743 	if (local->ops->tx_frames_pending)
744 		ret = local->ops->tx_frames_pending(&local->hw);
745 	trace_drv_return_bool(local, ret);
746 
747 	return ret;
748 }
749 
750 static inline int drv_set_bitrate_mask(struct ieee80211_local *local,
751 				       struct ieee80211_sub_if_data *sdata,
752 				       const struct cfg80211_bitrate_mask *mask)
753 {
754 	int ret = -EOPNOTSUPP;
755 
756 	might_sleep();
757 
758 	if (!check_sdata_in_driver(sdata))
759 		return -EIO;
760 
761 	trace_drv_set_bitrate_mask(local, sdata, mask);
762 	if (local->ops->set_bitrate_mask)
763 		ret = local->ops->set_bitrate_mask(&local->hw,
764 						   &sdata->vif, mask);
765 	trace_drv_return_int(local, ret);
766 
767 	return ret;
768 }
769 
770 static inline void drv_set_rekey_data(struct ieee80211_local *local,
771 				      struct ieee80211_sub_if_data *sdata,
772 				      struct cfg80211_gtk_rekey_data *data)
773 {
774 	if (!check_sdata_in_driver(sdata))
775 		return;
776 
777 	trace_drv_set_rekey_data(local, sdata, data);
778 	if (local->ops->set_rekey_data)
779 		local->ops->set_rekey_data(&local->hw, &sdata->vif, data);
780 	trace_drv_return_void(local);
781 }
782 
783 static inline void drv_event_callback(struct ieee80211_local *local,
784 				      struct ieee80211_sub_if_data *sdata,
785 				      const struct ieee80211_event *event)
786 {
787 	trace_drv_event_callback(local, sdata, event);
788 	if (local->ops->event_callback)
789 		local->ops->event_callback(&local->hw, &sdata->vif, event);
790 	trace_drv_return_void(local);
791 }
792 
793 static inline void
794 drv_release_buffered_frames(struct ieee80211_local *local,
795 			    struct sta_info *sta, u16 tids, int num_frames,
796 			    enum ieee80211_frame_release_type reason,
797 			    bool more_data)
798 {
799 	trace_drv_release_buffered_frames(local, &sta->sta, tids, num_frames,
800 					  reason, more_data);
801 	if (local->ops->release_buffered_frames)
802 		local->ops->release_buffered_frames(&local->hw, &sta->sta, tids,
803 						    num_frames, reason,
804 						    more_data);
805 	trace_drv_return_void(local);
806 }
807 
808 static inline void
809 drv_allow_buffered_frames(struct ieee80211_local *local,
810 			  struct sta_info *sta, u16 tids, int num_frames,
811 			  enum ieee80211_frame_release_type reason,
812 			  bool more_data)
813 {
814 	trace_drv_allow_buffered_frames(local, &sta->sta, tids, num_frames,
815 					reason, more_data);
816 	if (local->ops->allow_buffered_frames)
817 		local->ops->allow_buffered_frames(&local->hw, &sta->sta,
818 						  tids, num_frames, reason,
819 						  more_data);
820 	trace_drv_return_void(local);
821 }
822 
823 static inline void drv_mgd_prepare_tx(struct ieee80211_local *local,
824 				      struct ieee80211_sub_if_data *sdata)
825 {
826 	might_sleep();
827 
828 	if (!check_sdata_in_driver(sdata))
829 		return;
830 	WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION);
831 
832 	trace_drv_mgd_prepare_tx(local, sdata);
833 	if (local->ops->mgd_prepare_tx)
834 		local->ops->mgd_prepare_tx(&local->hw, &sdata->vif);
835 	trace_drv_return_void(local);
836 }
837 
838 static inline void
839 drv_mgd_protect_tdls_discover(struct ieee80211_local *local,
840 			      struct ieee80211_sub_if_data *sdata)
841 {
842 	might_sleep();
843 
844 	if (!check_sdata_in_driver(sdata))
845 		return;
846 	WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION);
847 
848 	trace_drv_mgd_protect_tdls_discover(local, sdata);
849 	if (local->ops->mgd_protect_tdls_discover)
850 		local->ops->mgd_protect_tdls_discover(&local->hw, &sdata->vif);
851 	trace_drv_return_void(local);
852 }
853 
854 static inline int drv_add_chanctx(struct ieee80211_local *local,
855 				  struct ieee80211_chanctx *ctx)
856 {
857 	int ret = -EOPNOTSUPP;
858 
859 	might_sleep();
860 
861 	trace_drv_add_chanctx(local, ctx);
862 	if (local->ops->add_chanctx)
863 		ret = local->ops->add_chanctx(&local->hw, &ctx->conf);
864 	trace_drv_return_int(local, ret);
865 	if (!ret)
866 		ctx->driver_present = true;
867 
868 	return ret;
869 }
870 
871 static inline void drv_remove_chanctx(struct ieee80211_local *local,
872 				      struct ieee80211_chanctx *ctx)
873 {
874 	might_sleep();
875 
876 	if (WARN_ON(!ctx->driver_present))
877 		return;
878 
879 	trace_drv_remove_chanctx(local, ctx);
880 	if (local->ops->remove_chanctx)
881 		local->ops->remove_chanctx(&local->hw, &ctx->conf);
882 	trace_drv_return_void(local);
883 	ctx->driver_present = false;
884 }
885 
886 static inline void drv_change_chanctx(struct ieee80211_local *local,
887 				      struct ieee80211_chanctx *ctx,
888 				      u32 changed)
889 {
890 	might_sleep();
891 
892 	trace_drv_change_chanctx(local, ctx, changed);
893 	if (local->ops->change_chanctx) {
894 		WARN_ON_ONCE(!ctx->driver_present);
895 		local->ops->change_chanctx(&local->hw, &ctx->conf, changed);
896 	}
897 	trace_drv_return_void(local);
898 }
899 
900 static inline int drv_assign_vif_chanctx(struct ieee80211_local *local,
901 					 struct ieee80211_sub_if_data *sdata,
902 					 struct ieee80211_chanctx *ctx)
903 {
904 	int ret = 0;
905 
906 	if (!check_sdata_in_driver(sdata))
907 		return -EIO;
908 
909 	trace_drv_assign_vif_chanctx(local, sdata, ctx);
910 	if (local->ops->assign_vif_chanctx) {
911 		WARN_ON_ONCE(!ctx->driver_present);
912 		ret = local->ops->assign_vif_chanctx(&local->hw,
913 						     &sdata->vif,
914 						     &ctx->conf);
915 	}
916 	trace_drv_return_int(local, ret);
917 
918 	return ret;
919 }
920 
921 static inline void drv_unassign_vif_chanctx(struct ieee80211_local *local,
922 					    struct ieee80211_sub_if_data *sdata,
923 					    struct ieee80211_chanctx *ctx)
924 {
925 	might_sleep();
926 
927 	if (!check_sdata_in_driver(sdata))
928 		return;
929 
930 	trace_drv_unassign_vif_chanctx(local, sdata, ctx);
931 	if (local->ops->unassign_vif_chanctx) {
932 		WARN_ON_ONCE(!ctx->driver_present);
933 		local->ops->unassign_vif_chanctx(&local->hw,
934 						 &sdata->vif,
935 						 &ctx->conf);
936 	}
937 	trace_drv_return_void(local);
938 }
939 
940 int drv_switch_vif_chanctx(struct ieee80211_local *local,
941 			   struct ieee80211_vif_chanctx_switch *vifs,
942 			   int n_vifs, enum ieee80211_chanctx_switch_mode mode);
943 
944 static inline int drv_start_ap(struct ieee80211_local *local,
945 			       struct ieee80211_sub_if_data *sdata)
946 {
947 	int ret = 0;
948 
949 	might_sleep();
950 
951 	if (!check_sdata_in_driver(sdata))
952 		return -EIO;
953 
954 	trace_drv_start_ap(local, sdata, &sdata->vif.bss_conf);
955 	if (local->ops->start_ap)
956 		ret = local->ops->start_ap(&local->hw, &sdata->vif);
957 	trace_drv_return_int(local, ret);
958 	return ret;
959 }
960 
961 static inline void drv_stop_ap(struct ieee80211_local *local,
962 			       struct ieee80211_sub_if_data *sdata)
963 {
964 	if (!check_sdata_in_driver(sdata))
965 		return;
966 
967 	trace_drv_stop_ap(local, sdata);
968 	if (local->ops->stop_ap)
969 		local->ops->stop_ap(&local->hw, &sdata->vif);
970 	trace_drv_return_void(local);
971 }
972 
973 static inline void
974 drv_reconfig_complete(struct ieee80211_local *local,
975 		      enum ieee80211_reconfig_type reconfig_type)
976 {
977 	might_sleep();
978 
979 	trace_drv_reconfig_complete(local, reconfig_type);
980 	if (local->ops->reconfig_complete)
981 		local->ops->reconfig_complete(&local->hw, reconfig_type);
982 	trace_drv_return_void(local);
983 }
984 
985 static inline void
986 drv_set_default_unicast_key(struct ieee80211_local *local,
987 			    struct ieee80211_sub_if_data *sdata,
988 			    int key_idx)
989 {
990 	if (!check_sdata_in_driver(sdata))
991 		return;
992 
993 	WARN_ON_ONCE(key_idx < -1 || key_idx > 3);
994 
995 	trace_drv_set_default_unicast_key(local, sdata, key_idx);
996 	if (local->ops->set_default_unicast_key)
997 		local->ops->set_default_unicast_key(&local->hw, &sdata->vif,
998 						    key_idx);
999 	trace_drv_return_void(local);
1000 }
1001 
1002 #if IS_ENABLED(CONFIG_IPV6)
1003 static inline void drv_ipv6_addr_change(struct ieee80211_local *local,
1004 					struct ieee80211_sub_if_data *sdata,
1005 					struct inet6_dev *idev)
1006 {
1007 	trace_drv_ipv6_addr_change(local, sdata);
1008 	if (local->ops->ipv6_addr_change)
1009 		local->ops->ipv6_addr_change(&local->hw, &sdata->vif, idev);
1010 	trace_drv_return_void(local);
1011 }
1012 #endif
1013 
1014 static inline void
1015 drv_channel_switch_beacon(struct ieee80211_sub_if_data *sdata,
1016 			  struct cfg80211_chan_def *chandef)
1017 {
1018 	struct ieee80211_local *local = sdata->local;
1019 
1020 	if (local->ops->channel_switch_beacon) {
1021 		trace_drv_channel_switch_beacon(local, sdata, chandef);
1022 		local->ops->channel_switch_beacon(&local->hw, &sdata->vif,
1023 						  chandef);
1024 	}
1025 }
1026 
1027 static inline int
1028 drv_pre_channel_switch(struct ieee80211_sub_if_data *sdata,
1029 		       struct ieee80211_channel_switch *ch_switch)
1030 {
1031 	struct ieee80211_local *local = sdata->local;
1032 	int ret = 0;
1033 
1034 	if (!check_sdata_in_driver(sdata))
1035 		return -EIO;
1036 
1037 	trace_drv_pre_channel_switch(local, sdata, ch_switch);
1038 	if (local->ops->pre_channel_switch)
1039 		ret = local->ops->pre_channel_switch(&local->hw, &sdata->vif,
1040 						     ch_switch);
1041 	trace_drv_return_int(local, ret);
1042 	return ret;
1043 }
1044 
1045 static inline int
1046 drv_post_channel_switch(struct ieee80211_sub_if_data *sdata)
1047 {
1048 	struct ieee80211_local *local = sdata->local;
1049 	int ret = 0;
1050 
1051 	if (!check_sdata_in_driver(sdata))
1052 		return -EIO;
1053 
1054 	trace_drv_post_channel_switch(local, sdata);
1055 	if (local->ops->post_channel_switch)
1056 		ret = local->ops->post_channel_switch(&local->hw, &sdata->vif);
1057 	trace_drv_return_int(local, ret);
1058 	return ret;
1059 }
1060 
1061 static inline int drv_join_ibss(struct ieee80211_local *local,
1062 				struct ieee80211_sub_if_data *sdata)
1063 {
1064 	int ret = 0;
1065 
1066 	might_sleep();
1067 	if (!check_sdata_in_driver(sdata))
1068 		return -EIO;
1069 
1070 	trace_drv_join_ibss(local, sdata, &sdata->vif.bss_conf);
1071 	if (local->ops->join_ibss)
1072 		ret = local->ops->join_ibss(&local->hw, &sdata->vif);
1073 	trace_drv_return_int(local, ret);
1074 	return ret;
1075 }
1076 
1077 static inline void drv_leave_ibss(struct ieee80211_local *local,
1078 				  struct ieee80211_sub_if_data *sdata)
1079 {
1080 	might_sleep();
1081 	if (!check_sdata_in_driver(sdata))
1082 		return;
1083 
1084 	trace_drv_leave_ibss(local, sdata);
1085 	if (local->ops->leave_ibss)
1086 		local->ops->leave_ibss(&local->hw, &sdata->vif);
1087 	trace_drv_return_void(local);
1088 }
1089 
1090 static inline u32 drv_get_expected_throughput(struct ieee80211_local *local,
1091 					      struct ieee80211_sta *sta)
1092 {
1093 	u32 ret = 0;
1094 
1095 	trace_drv_get_expected_throughput(sta);
1096 	if (local->ops->get_expected_throughput)
1097 		ret = local->ops->get_expected_throughput(sta);
1098 	trace_drv_return_u32(local, ret);
1099 
1100 	return ret;
1101 }
1102 
1103 static inline int drv_get_txpower(struct ieee80211_local *local,
1104 				  struct ieee80211_sub_if_data *sdata, int *dbm)
1105 {
1106 	int ret;
1107 
1108 	if (!local->ops->get_txpower)
1109 		return -EOPNOTSUPP;
1110 
1111 	ret = local->ops->get_txpower(&local->hw, &sdata->vif, dbm);
1112 	trace_drv_get_txpower(local, sdata, *dbm, ret);
1113 
1114 	return ret;
1115 }
1116 
1117 static inline int
1118 drv_tdls_channel_switch(struct ieee80211_local *local,
1119 			struct ieee80211_sub_if_data *sdata,
1120 			struct ieee80211_sta *sta, u8 oper_class,
1121 			struct cfg80211_chan_def *chandef,
1122 			struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie)
1123 {
1124 	int ret;
1125 
1126 	might_sleep();
1127 	if (!check_sdata_in_driver(sdata))
1128 		return -EIO;
1129 
1130 	if (!local->ops->tdls_channel_switch)
1131 		return -EOPNOTSUPP;
1132 
1133 	trace_drv_tdls_channel_switch(local, sdata, sta, oper_class, chandef);
1134 	ret = local->ops->tdls_channel_switch(&local->hw, &sdata->vif, sta,
1135 					      oper_class, chandef, tmpl_skb,
1136 					      ch_sw_tm_ie);
1137 	trace_drv_return_int(local, ret);
1138 	return ret;
1139 }
1140 
1141 static inline void
1142 drv_tdls_cancel_channel_switch(struct ieee80211_local *local,
1143 			       struct ieee80211_sub_if_data *sdata,
1144 			       struct ieee80211_sta *sta)
1145 {
1146 	might_sleep();
1147 	if (!check_sdata_in_driver(sdata))
1148 		return;
1149 
1150 	if (!local->ops->tdls_cancel_channel_switch)
1151 		return;
1152 
1153 	trace_drv_tdls_cancel_channel_switch(local, sdata, sta);
1154 	local->ops->tdls_cancel_channel_switch(&local->hw, &sdata->vif, sta);
1155 	trace_drv_return_void(local);
1156 }
1157 
1158 static inline void
1159 drv_tdls_recv_channel_switch(struct ieee80211_local *local,
1160 			     struct ieee80211_sub_if_data *sdata,
1161 			     struct ieee80211_tdls_ch_sw_params *params)
1162 {
1163 	trace_drv_tdls_recv_channel_switch(local, sdata, params);
1164 	if (local->ops->tdls_recv_channel_switch)
1165 		local->ops->tdls_recv_channel_switch(&local->hw, &sdata->vif,
1166 						     params);
1167 	trace_drv_return_void(local);
1168 }
1169 
1170 static inline void drv_wake_tx_queue(struct ieee80211_local *local,
1171 				     struct txq_info *txq)
1172 {
1173 	struct ieee80211_sub_if_data *sdata = vif_to_sdata(txq->txq.vif);
1174 
1175 	if (!check_sdata_in_driver(sdata))
1176 		return;
1177 
1178 	trace_drv_wake_tx_queue(local, sdata, txq);
1179 	local->ops->wake_tx_queue(&local->hw, &txq->txq);
1180 }
1181 
1182 #endif /* __MAC80211_DRIVER_OPS */
1183