xref: /linux/net/mac80211/driver-ops.h (revision 6084a6e23c971ef703229ee1aec68d01688578d6) 
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 bool check_sdata_in_driver(struct ieee80211_sub_if_data *sdata)
9 {
10 	return !WARN(!(sdata->flags & IEEE80211_SDATA_IN_DRIVER),
11 		     "%s:  Failed check-sdata-in-driver check, flags: 0x%x\n",
12 		     sdata->dev ? sdata->dev->name : sdata->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,
26 			  struct ieee80211_tx_control *control,
27 			  struct sk_buff *skb)
28 {
29 	local->ops->tx(&local->hw, control, skb);
30 }
31 
32 static inline void drv_get_et_strings(struct ieee80211_sub_if_data *sdata,
33 				      u32 sset, u8 *data)
34 {
35 	struct ieee80211_local *local = sdata->local;
36 	if (local->ops->get_et_strings) {
37 		trace_drv_get_et_strings(local, sset);
38 		local->ops->get_et_strings(&local->hw, &sdata->vif, sset, data);
39 		trace_drv_return_void(local);
40 	}
41 }
42 
43 static inline void drv_get_et_stats(struct ieee80211_sub_if_data *sdata,
44 				    struct ethtool_stats *stats,
45 				    u64 *data)
46 {
47 	struct ieee80211_local *local = sdata->local;
48 	if (local->ops->get_et_stats) {
49 		trace_drv_get_et_stats(local);
50 		local->ops->get_et_stats(&local->hw, &sdata->vif, stats, data);
51 		trace_drv_return_void(local);
52 	}
53 }
54 
55 static inline int drv_get_et_sset_count(struct ieee80211_sub_if_data *sdata,
56 					int sset)
57 {
58 	struct ieee80211_local *local = sdata->local;
59 	int rv = 0;
60 	if (local->ops->get_et_sset_count) {
61 		trace_drv_get_et_sset_count(local, sset);
62 		rv = local->ops->get_et_sset_count(&local->hw, &sdata->vif,
63 						   sset);
64 		trace_drv_return_int(local, rv);
65 	}
66 	return rv;
67 }
68 
69 static inline int drv_start(struct ieee80211_local *local)
70 {
71 	int ret;
72 
73 	might_sleep();
74 
75 	trace_drv_start(local);
76 	local->started = true;
77 	smp_mb();
78 	ret = local->ops->start(&local->hw);
79 	trace_drv_return_int(local, ret);
80 	return ret;
81 }
82 
83 static inline void drv_stop(struct ieee80211_local *local)
84 {
85 	might_sleep();
86 
87 	trace_drv_stop(local);
88 	local->ops->stop(&local->hw);
89 	trace_drv_return_void(local);
90 
91 	/* sync away all work on the tasklet before clearing started */
92 	tasklet_disable(&local->tasklet);
93 	tasklet_enable(&local->tasklet);
94 
95 	barrier();
96 
97 	local->started = false;
98 }
99 
100 #ifdef CONFIG_PM
101 static inline int drv_suspend(struct ieee80211_local *local,
102 			      struct cfg80211_wowlan *wowlan)
103 {
104 	int ret;
105 
106 	might_sleep();
107 
108 	trace_drv_suspend(local);
109 	ret = local->ops->suspend(&local->hw, wowlan);
110 	trace_drv_return_int(local, ret);
111 	return ret;
112 }
113 
114 static inline int drv_resume(struct ieee80211_local *local)
115 {
116 	int ret;
117 
118 	might_sleep();
119 
120 	trace_drv_resume(local);
121 	ret = local->ops->resume(&local->hw);
122 	trace_drv_return_int(local, ret);
123 	return ret;
124 }
125 
126 static inline void drv_set_wakeup(struct ieee80211_local *local,
127 				  bool enabled)
128 {
129 	might_sleep();
130 
131 	if (!local->ops->set_wakeup)
132 		return;
133 
134 	trace_drv_set_wakeup(local, enabled);
135 	local->ops->set_wakeup(&local->hw, enabled);
136 	trace_drv_return_void(local);
137 }
138 #endif
139 
140 static inline int drv_add_interface(struct ieee80211_local *local,
141 				    struct ieee80211_sub_if_data *sdata)
142 {
143 	int ret;
144 
145 	might_sleep();
146 
147 	if (WARN_ON(sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
148 		    (sdata->vif.type == NL80211_IFTYPE_MONITOR &&
149 		     !(local->hw.flags & IEEE80211_HW_WANT_MONITOR_VIF) &&
150 		     !(sdata->u.mntr_flags & MONITOR_FLAG_ACTIVE))))
151 		return -EINVAL;
152 
153 	trace_drv_add_interface(local, sdata);
154 	ret = local->ops->add_interface(&local->hw, &sdata->vif);
155 	trace_drv_return_int(local, ret);
156 
157 	if (ret == 0)
158 		sdata->flags |= IEEE80211_SDATA_IN_DRIVER;
159 
160 	return ret;
161 }
162 
163 static inline int drv_change_interface(struct ieee80211_local *local,
164 				       struct ieee80211_sub_if_data *sdata,
165 				       enum nl80211_iftype type, bool p2p)
166 {
167 	int ret;
168 
169 	might_sleep();
170 
171 	if (!check_sdata_in_driver(sdata))
172 		return -EIO;
173 
174 	trace_drv_change_interface(local, sdata, type, p2p);
175 	ret = local->ops->change_interface(&local->hw, &sdata->vif, type, p2p);
176 	trace_drv_return_int(local, ret);
177 	return ret;
178 }
179 
180 static inline void drv_remove_interface(struct ieee80211_local *local,
181 					struct ieee80211_sub_if_data *sdata)
182 {
183 	might_sleep();
184 
185 	if (!check_sdata_in_driver(sdata))
186 		return;
187 
188 	trace_drv_remove_interface(local, sdata);
189 	local->ops->remove_interface(&local->hw, &sdata->vif);
190 	sdata->flags &= ~IEEE80211_SDATA_IN_DRIVER;
191 	trace_drv_return_void(local);
192 }
193 
194 static inline int drv_config(struct ieee80211_local *local, u32 changed)
195 {
196 	int ret;
197 
198 	might_sleep();
199 
200 	trace_drv_config(local, changed);
201 	ret = local->ops->config(&local->hw, changed);
202 	trace_drv_return_int(local, ret);
203 	return ret;
204 }
205 
206 static inline void drv_bss_info_changed(struct ieee80211_local *local,
207 					struct ieee80211_sub_if_data *sdata,
208 					struct ieee80211_bss_conf *info,
209 					u32 changed)
210 {
211 	might_sleep();
212 
213 	if (WARN_ON_ONCE(changed & (BSS_CHANGED_BEACON |
214 				    BSS_CHANGED_BEACON_ENABLED) &&
215 			 sdata->vif.type != NL80211_IFTYPE_AP &&
216 			 sdata->vif.type != NL80211_IFTYPE_ADHOC &&
217 			 sdata->vif.type != NL80211_IFTYPE_MESH_POINT))
218 		return;
219 
220 	if (WARN_ON_ONCE(sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE ||
221 			 sdata->vif.type == NL80211_IFTYPE_MONITOR))
222 		return;
223 
224 	if (!check_sdata_in_driver(sdata))
225 		return;
226 
227 	trace_drv_bss_info_changed(local, sdata, info, changed);
228 	if (local->ops->bss_info_changed)
229 		local->ops->bss_info_changed(&local->hw, &sdata->vif, info, changed);
230 	trace_drv_return_void(local);
231 }
232 
233 static inline u64 drv_prepare_multicast(struct ieee80211_local *local,
234 					struct netdev_hw_addr_list *mc_list)
235 {
236 	u64 ret = 0;
237 
238 	trace_drv_prepare_multicast(local, mc_list->count);
239 
240 	if (local->ops->prepare_multicast)
241 		ret = local->ops->prepare_multicast(&local->hw, mc_list);
242 
243 	trace_drv_return_u64(local, ret);
244 
245 	return ret;
246 }
247 
248 static inline void drv_configure_filter(struct ieee80211_local *local,
249 					unsigned int changed_flags,
250 					unsigned int *total_flags,
251 					u64 multicast)
252 {
253 	might_sleep();
254 
255 	trace_drv_configure_filter(local, changed_flags, total_flags,
256 				   multicast);
257 	local->ops->configure_filter(&local->hw, changed_flags, total_flags,
258 				     multicast);
259 	trace_drv_return_void(local);
260 }
261 
262 static inline int drv_set_tim(struct ieee80211_local *local,
263 			      struct ieee80211_sta *sta, bool set)
264 {
265 	int ret = 0;
266 	trace_drv_set_tim(local, sta, set);
267 	if (local->ops->set_tim)
268 		ret = local->ops->set_tim(&local->hw, sta, set);
269 	trace_drv_return_int(local, ret);
270 	return ret;
271 }
272 
273 static inline int drv_set_key(struct ieee80211_local *local,
274 			      enum set_key_cmd cmd,
275 			      struct ieee80211_sub_if_data *sdata,
276 			      struct ieee80211_sta *sta,
277 			      struct ieee80211_key_conf *key)
278 {
279 	int ret;
280 
281 	might_sleep();
282 
283 	sdata = get_bss_sdata(sdata);
284 	if (!check_sdata_in_driver(sdata))
285 		return -EIO;
286 
287 	trace_drv_set_key(local, cmd, sdata, sta, key);
288 	ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key);
289 	trace_drv_return_int(local, ret);
290 	return ret;
291 }
292 
293 static inline void drv_update_tkip_key(struct ieee80211_local *local,
294 				       struct ieee80211_sub_if_data *sdata,
295 				       struct ieee80211_key_conf *conf,
296 				       struct sta_info *sta, u32 iv32,
297 				       u16 *phase1key)
298 {
299 	struct ieee80211_sta *ista = NULL;
300 
301 	if (sta)
302 		ista = &sta->sta;
303 
304 	sdata = get_bss_sdata(sdata);
305 	if (!check_sdata_in_driver(sdata))
306 		return;
307 
308 	trace_drv_update_tkip_key(local, sdata, conf, ista, iv32);
309 	if (local->ops->update_tkip_key)
310 		local->ops->update_tkip_key(&local->hw, &sdata->vif, conf,
311 					    ista, iv32, phase1key);
312 	trace_drv_return_void(local);
313 }
314 
315 static inline int drv_hw_scan(struct ieee80211_local *local,
316 			      struct ieee80211_sub_if_data *sdata,
317 			      struct cfg80211_scan_request *req)
318 {
319 	int ret;
320 
321 	might_sleep();
322 
323 	if (!check_sdata_in_driver(sdata))
324 		return -EIO;
325 
326 	trace_drv_hw_scan(local, sdata);
327 	ret = local->ops->hw_scan(&local->hw, &sdata->vif, req);
328 	trace_drv_return_int(local, ret);
329 	return ret;
330 }
331 
332 static inline void drv_cancel_hw_scan(struct ieee80211_local *local,
333 				      struct ieee80211_sub_if_data *sdata)
334 {
335 	might_sleep();
336 
337 	if (!check_sdata_in_driver(sdata))
338 		return;
339 
340 	trace_drv_cancel_hw_scan(local, sdata);
341 	local->ops->cancel_hw_scan(&local->hw, &sdata->vif);
342 	trace_drv_return_void(local);
343 }
344 
345 static inline int
346 drv_sched_scan_start(struct ieee80211_local *local,
347 		     struct ieee80211_sub_if_data *sdata,
348 		     struct cfg80211_sched_scan_request *req,
349 		     struct ieee80211_sched_scan_ies *ies)
350 {
351 	int ret;
352 
353 	might_sleep();
354 
355 	if (!check_sdata_in_driver(sdata))
356 		return -EIO;
357 
358 	trace_drv_sched_scan_start(local, sdata);
359 	ret = local->ops->sched_scan_start(&local->hw, &sdata->vif,
360 					      req, ies);
361 	trace_drv_return_int(local, ret);
362 	return ret;
363 }
364 
365 static inline int drv_sched_scan_stop(struct ieee80211_local *local,
366 				      struct ieee80211_sub_if_data *sdata)
367 {
368 	int ret;
369 
370 	might_sleep();
371 
372 	if (!check_sdata_in_driver(sdata))
373 		return -EIO;
374 
375 	trace_drv_sched_scan_stop(local, sdata);
376 	ret = local->ops->sched_scan_stop(&local->hw, &sdata->vif);
377 	trace_drv_return_int(local, ret);
378 
379 	return ret;
380 }
381 
382 static inline void drv_sw_scan_start(struct ieee80211_local *local)
383 {
384 	might_sleep();
385 
386 	trace_drv_sw_scan_start(local);
387 	if (local->ops->sw_scan_start)
388 		local->ops->sw_scan_start(&local->hw);
389 	trace_drv_return_void(local);
390 }
391 
392 static inline void drv_sw_scan_complete(struct ieee80211_local *local)
393 {
394 	might_sleep();
395 
396 	trace_drv_sw_scan_complete(local);
397 	if (local->ops->sw_scan_complete)
398 		local->ops->sw_scan_complete(&local->hw);
399 	trace_drv_return_void(local);
400 }
401 
402 static inline int drv_get_stats(struct ieee80211_local *local,
403 				struct ieee80211_low_level_stats *stats)
404 {
405 	int ret = -EOPNOTSUPP;
406 
407 	might_sleep();
408 
409 	if (local->ops->get_stats)
410 		ret = local->ops->get_stats(&local->hw, stats);
411 	trace_drv_get_stats(local, stats, ret);
412 
413 	return ret;
414 }
415 
416 static inline void drv_get_tkip_seq(struct ieee80211_local *local,
417 				    u8 hw_key_idx, u32 *iv32, u16 *iv16)
418 {
419 	if (local->ops->get_tkip_seq)
420 		local->ops->get_tkip_seq(&local->hw, hw_key_idx, iv32, iv16);
421 	trace_drv_get_tkip_seq(local, hw_key_idx, iv32, iv16);
422 }
423 
424 static inline int drv_set_frag_threshold(struct ieee80211_local *local,
425 					u32 value)
426 {
427 	int ret = 0;
428 
429 	might_sleep();
430 
431 	trace_drv_set_frag_threshold(local, value);
432 	if (local->ops->set_frag_threshold)
433 		ret = local->ops->set_frag_threshold(&local->hw, value);
434 	trace_drv_return_int(local, ret);
435 	return ret;
436 }
437 
438 static inline int drv_set_rts_threshold(struct ieee80211_local *local,
439 					u32 value)
440 {
441 	int ret = 0;
442 
443 	might_sleep();
444 
445 	trace_drv_set_rts_threshold(local, value);
446 	if (local->ops->set_rts_threshold)
447 		ret = local->ops->set_rts_threshold(&local->hw, value);
448 	trace_drv_return_int(local, ret);
449 	return ret;
450 }
451 
452 static inline int drv_set_coverage_class(struct ieee80211_local *local,
453 					 u8 value)
454 {
455 	int ret = 0;
456 	might_sleep();
457 
458 	trace_drv_set_coverage_class(local, value);
459 	if (local->ops->set_coverage_class)
460 		local->ops->set_coverage_class(&local->hw, value);
461 	else
462 		ret = -EOPNOTSUPP;
463 
464 	trace_drv_return_int(local, ret);
465 	return ret;
466 }
467 
468 static inline void drv_sta_notify(struct ieee80211_local *local,
469 				  struct ieee80211_sub_if_data *sdata,
470 				  enum sta_notify_cmd cmd,
471 				  struct ieee80211_sta *sta)
472 {
473 	sdata = get_bss_sdata(sdata);
474 	if (!check_sdata_in_driver(sdata))
475 		return;
476 
477 	trace_drv_sta_notify(local, sdata, cmd, sta);
478 	if (local->ops->sta_notify)
479 		local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta);
480 	trace_drv_return_void(local);
481 }
482 
483 static inline int drv_sta_add(struct ieee80211_local *local,
484 			      struct ieee80211_sub_if_data *sdata,
485 			      struct ieee80211_sta *sta)
486 {
487 	int ret = 0;
488 
489 	might_sleep();
490 
491 	sdata = get_bss_sdata(sdata);
492 	if (!check_sdata_in_driver(sdata))
493 		return -EIO;
494 
495 	trace_drv_sta_add(local, sdata, sta);
496 	if (local->ops->sta_add)
497 		ret = local->ops->sta_add(&local->hw, &sdata->vif, sta);
498 
499 	trace_drv_return_int(local, ret);
500 
501 	return ret;
502 }
503 
504 static inline void drv_sta_remove(struct ieee80211_local *local,
505 				  struct ieee80211_sub_if_data *sdata,
506 				  struct ieee80211_sta *sta)
507 {
508 	might_sleep();
509 
510 	sdata = get_bss_sdata(sdata);
511 	if (!check_sdata_in_driver(sdata))
512 		return;
513 
514 	trace_drv_sta_remove(local, sdata, sta);
515 	if (local->ops->sta_remove)
516 		local->ops->sta_remove(&local->hw, &sdata->vif, sta);
517 
518 	trace_drv_return_void(local);
519 }
520 
521 #ifdef CONFIG_MAC80211_DEBUGFS
522 static inline void drv_sta_add_debugfs(struct ieee80211_local *local,
523 				       struct ieee80211_sub_if_data *sdata,
524 				       struct ieee80211_sta *sta,
525 				       struct dentry *dir)
526 {
527 	might_sleep();
528 
529 	sdata = get_bss_sdata(sdata);
530 	if (!check_sdata_in_driver(sdata))
531 		return;
532 
533 	if (local->ops->sta_add_debugfs)
534 		local->ops->sta_add_debugfs(&local->hw, &sdata->vif,
535 					    sta, dir);
536 }
537 
538 static inline void drv_sta_remove_debugfs(struct ieee80211_local *local,
539 					  struct ieee80211_sub_if_data *sdata,
540 					  struct ieee80211_sta *sta,
541 					  struct dentry *dir)
542 {
543 	might_sleep();
544 
545 	sdata = get_bss_sdata(sdata);
546 	check_sdata_in_driver(sdata);
547 
548 	if (local->ops->sta_remove_debugfs)
549 		local->ops->sta_remove_debugfs(&local->hw, &sdata->vif,
550 					       sta, dir);
551 }
552 #endif
553 
554 static inline void drv_sta_pre_rcu_remove(struct ieee80211_local *local,
555 					  struct ieee80211_sub_if_data *sdata,
556 					  struct sta_info *sta)
557 {
558 	might_sleep();
559 
560 	sdata = get_bss_sdata(sdata);
561 	if (!check_sdata_in_driver(sdata))
562 		return;
563 
564 	trace_drv_sta_pre_rcu_remove(local, sdata, &sta->sta);
565 	if (local->ops->sta_pre_rcu_remove)
566 		local->ops->sta_pre_rcu_remove(&local->hw, &sdata->vif,
567 					       &sta->sta);
568 	trace_drv_return_void(local);
569 }
570 
571 static inline __must_check
572 int drv_sta_state(struct ieee80211_local *local,
573 		  struct ieee80211_sub_if_data *sdata,
574 		  struct sta_info *sta,
575 		  enum ieee80211_sta_state old_state,
576 		  enum ieee80211_sta_state new_state)
577 {
578 	int ret = 0;
579 
580 	might_sleep();
581 
582 	sdata = get_bss_sdata(sdata);
583 	if (!check_sdata_in_driver(sdata))
584 		return -EIO;
585 
586 	trace_drv_sta_state(local, sdata, &sta->sta, old_state, new_state);
587 	if (local->ops->sta_state) {
588 		ret = local->ops->sta_state(&local->hw, &sdata->vif, &sta->sta,
589 					    old_state, new_state);
590 	} else if (old_state == IEEE80211_STA_AUTH &&
591 		   new_state == IEEE80211_STA_ASSOC) {
592 		ret = drv_sta_add(local, sdata, &sta->sta);
593 		if (ret == 0)
594 			sta->uploaded = true;
595 	} else if (old_state == IEEE80211_STA_ASSOC &&
596 		   new_state == IEEE80211_STA_AUTH) {
597 		drv_sta_remove(local, sdata, &sta->sta);
598 	}
599 	trace_drv_return_int(local, ret);
600 	return ret;
601 }
602 
603 static inline void drv_sta_rc_update(struct ieee80211_local *local,
604 				     struct ieee80211_sub_if_data *sdata,
605 				     struct ieee80211_sta *sta, u32 changed)
606 {
607 	sdata = get_bss_sdata(sdata);
608 	if (!check_sdata_in_driver(sdata))
609 		return;
610 
611 	WARN_ON(changed & IEEE80211_RC_SUPP_RATES_CHANGED &&
612 		(sdata->vif.type != NL80211_IFTYPE_ADHOC &&
613 		 sdata->vif.type != NL80211_IFTYPE_MESH_POINT));
614 
615 	trace_drv_sta_rc_update(local, sdata, sta, changed);
616 	if (local->ops->sta_rc_update)
617 		local->ops->sta_rc_update(&local->hw, &sdata->vif,
618 					  sta, changed);
619 
620 	trace_drv_return_void(local);
621 }
622 
623 static inline int drv_conf_tx(struct ieee80211_local *local,
624 			      struct ieee80211_sub_if_data *sdata, u16 ac,
625 			      const struct ieee80211_tx_queue_params *params)
626 {
627 	int ret = -EOPNOTSUPP;
628 
629 	might_sleep();
630 
631 	if (!check_sdata_in_driver(sdata))
632 		return -EIO;
633 
634 	trace_drv_conf_tx(local, sdata, ac, params);
635 	if (local->ops->conf_tx)
636 		ret = local->ops->conf_tx(&local->hw, &sdata->vif,
637 					  ac, params);
638 	trace_drv_return_int(local, ret);
639 	return ret;
640 }
641 
642 static inline u64 drv_get_tsf(struct ieee80211_local *local,
643 			      struct ieee80211_sub_if_data *sdata)
644 {
645 	u64 ret = -1ULL;
646 
647 	might_sleep();
648 
649 	if (!check_sdata_in_driver(sdata))
650 		return ret;
651 
652 	trace_drv_get_tsf(local, sdata);
653 	if (local->ops->get_tsf)
654 		ret = local->ops->get_tsf(&local->hw, &sdata->vif);
655 	trace_drv_return_u64(local, ret);
656 	return ret;
657 }
658 
659 static inline void drv_set_tsf(struct ieee80211_local *local,
660 			       struct ieee80211_sub_if_data *sdata,
661 			       u64 tsf)
662 {
663 	might_sleep();
664 
665 	if (!check_sdata_in_driver(sdata))
666 		return;
667 
668 	trace_drv_set_tsf(local, sdata, tsf);
669 	if (local->ops->set_tsf)
670 		local->ops->set_tsf(&local->hw, &sdata->vif, tsf);
671 	trace_drv_return_void(local);
672 }
673 
674 static inline void drv_reset_tsf(struct ieee80211_local *local,
675 				 struct ieee80211_sub_if_data *sdata)
676 {
677 	might_sleep();
678 
679 	if (!check_sdata_in_driver(sdata))
680 		return;
681 
682 	trace_drv_reset_tsf(local, sdata);
683 	if (local->ops->reset_tsf)
684 		local->ops->reset_tsf(&local->hw, &sdata->vif);
685 	trace_drv_return_void(local);
686 }
687 
688 static inline int drv_tx_last_beacon(struct ieee80211_local *local)
689 {
690 	int ret = 0; /* default unsupported op for less congestion */
691 
692 	might_sleep();
693 
694 	trace_drv_tx_last_beacon(local);
695 	if (local->ops->tx_last_beacon)
696 		ret = local->ops->tx_last_beacon(&local->hw);
697 	trace_drv_return_int(local, ret);
698 	return ret;
699 }
700 
701 static inline int drv_ampdu_action(struct ieee80211_local *local,
702 				   struct ieee80211_sub_if_data *sdata,
703 				   enum ieee80211_ampdu_mlme_action action,
704 				   struct ieee80211_sta *sta, u16 tid,
705 				   u16 *ssn, u8 buf_size)
706 {
707 	int ret = -EOPNOTSUPP;
708 
709 	might_sleep();
710 
711 	sdata = get_bss_sdata(sdata);
712 	if (!check_sdata_in_driver(sdata))
713 		return -EIO;
714 
715 	trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, buf_size);
716 
717 	if (local->ops->ampdu_action)
718 		ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
719 					       sta, tid, ssn, buf_size);
720 
721 	trace_drv_return_int(local, ret);
722 
723 	return ret;
724 }
725 
726 static inline int drv_get_survey(struct ieee80211_local *local, int idx,
727 				struct survey_info *survey)
728 {
729 	int ret = -EOPNOTSUPP;
730 
731 	trace_drv_get_survey(local, idx, survey);
732 
733 	if (local->ops->get_survey)
734 		ret = local->ops->get_survey(&local->hw, idx, survey);
735 
736 	trace_drv_return_int(local, ret);
737 
738 	return ret;
739 }
740 
741 static inline void drv_rfkill_poll(struct ieee80211_local *local)
742 {
743 	might_sleep();
744 
745 	if (local->ops->rfkill_poll)
746 		local->ops->rfkill_poll(&local->hw);
747 }
748 
749 static inline void drv_flush(struct ieee80211_local *local,
750 			     struct ieee80211_sub_if_data *sdata,
751 			     u32 queues, bool drop)
752 {
753 	struct ieee80211_vif *vif = sdata ? &sdata->vif : NULL;
754 
755 	might_sleep();
756 
757 	if (sdata && !check_sdata_in_driver(sdata))
758 		return;
759 
760 	trace_drv_flush(local, queues, drop);
761 	if (local->ops->flush)
762 		local->ops->flush(&local->hw, vif, queues, drop);
763 	trace_drv_return_void(local);
764 }
765 
766 static inline void drv_channel_switch(struct ieee80211_local *local,
767 				     struct ieee80211_channel_switch *ch_switch)
768 {
769 	might_sleep();
770 
771 	trace_drv_channel_switch(local, ch_switch);
772 	local->ops->channel_switch(&local->hw, ch_switch);
773 	trace_drv_return_void(local);
774 }
775 
776 
777 static inline int drv_set_antenna(struct ieee80211_local *local,
778 				  u32 tx_ant, u32 rx_ant)
779 {
780 	int ret = -EOPNOTSUPP;
781 	might_sleep();
782 	if (local->ops->set_antenna)
783 		ret = local->ops->set_antenna(&local->hw, tx_ant, rx_ant);
784 	trace_drv_set_antenna(local, tx_ant, rx_ant, ret);
785 	return ret;
786 }
787 
788 static inline int drv_get_antenna(struct ieee80211_local *local,
789 				  u32 *tx_ant, u32 *rx_ant)
790 {
791 	int ret = -EOPNOTSUPP;
792 	might_sleep();
793 	if (local->ops->get_antenna)
794 		ret = local->ops->get_antenna(&local->hw, tx_ant, rx_ant);
795 	trace_drv_get_antenna(local, *tx_ant, *rx_ant, ret);
796 	return ret;
797 }
798 
799 static inline int drv_remain_on_channel(struct ieee80211_local *local,
800 					struct ieee80211_sub_if_data *sdata,
801 					struct ieee80211_channel *chan,
802 					unsigned int duration,
803 					enum ieee80211_roc_type type)
804 {
805 	int ret;
806 
807 	might_sleep();
808 
809 	trace_drv_remain_on_channel(local, sdata, chan, duration, type);
810 	ret = local->ops->remain_on_channel(&local->hw, &sdata->vif,
811 					    chan, duration, type);
812 	trace_drv_return_int(local, ret);
813 
814 	return ret;
815 }
816 
817 static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local)
818 {
819 	int ret;
820 
821 	might_sleep();
822 
823 	trace_drv_cancel_remain_on_channel(local);
824 	ret = local->ops->cancel_remain_on_channel(&local->hw);
825 	trace_drv_return_int(local, ret);
826 
827 	return ret;
828 }
829 
830 static inline int drv_set_ringparam(struct ieee80211_local *local,
831 				    u32 tx, u32 rx)
832 {
833 	int ret = -ENOTSUPP;
834 
835 	might_sleep();
836 
837 	trace_drv_set_ringparam(local, tx, rx);
838 	if (local->ops->set_ringparam)
839 		ret = local->ops->set_ringparam(&local->hw, tx, rx);
840 	trace_drv_return_int(local, ret);
841 
842 	return ret;
843 }
844 
845 static inline void drv_get_ringparam(struct ieee80211_local *local,
846 				     u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
847 {
848 	might_sleep();
849 
850 	trace_drv_get_ringparam(local, tx, tx_max, rx, rx_max);
851 	if (local->ops->get_ringparam)
852 		local->ops->get_ringparam(&local->hw, tx, tx_max, rx, rx_max);
853 	trace_drv_return_void(local);
854 }
855 
856 static inline bool drv_tx_frames_pending(struct ieee80211_local *local)
857 {
858 	bool ret = false;
859 
860 	might_sleep();
861 
862 	trace_drv_tx_frames_pending(local);
863 	if (local->ops->tx_frames_pending)
864 		ret = local->ops->tx_frames_pending(&local->hw);
865 	trace_drv_return_bool(local, ret);
866 
867 	return ret;
868 }
869 
870 static inline int drv_set_bitrate_mask(struct ieee80211_local *local,
871 				       struct ieee80211_sub_if_data *sdata,
872 				       const struct cfg80211_bitrate_mask *mask)
873 {
874 	int ret = -EOPNOTSUPP;
875 
876 	might_sleep();
877 
878 	if (!check_sdata_in_driver(sdata))
879 		return -EIO;
880 
881 	trace_drv_set_bitrate_mask(local, sdata, mask);
882 	if (local->ops->set_bitrate_mask)
883 		ret = local->ops->set_bitrate_mask(&local->hw,
884 						   &sdata->vif, mask);
885 	trace_drv_return_int(local, ret);
886 
887 	return ret;
888 }
889 
890 static inline void drv_set_rekey_data(struct ieee80211_local *local,
891 				      struct ieee80211_sub_if_data *sdata,
892 				      struct cfg80211_gtk_rekey_data *data)
893 {
894 	if (!check_sdata_in_driver(sdata))
895 		return;
896 
897 	trace_drv_set_rekey_data(local, sdata, data);
898 	if (local->ops->set_rekey_data)
899 		local->ops->set_rekey_data(&local->hw, &sdata->vif, data);
900 	trace_drv_return_void(local);
901 }
902 
903 static inline void drv_rssi_callback(struct ieee80211_local *local,
904 				     struct ieee80211_sub_if_data *sdata,
905 				     const enum ieee80211_rssi_event event)
906 {
907 	trace_drv_rssi_callback(local, sdata, event);
908 	if (local->ops->rssi_callback)
909 		local->ops->rssi_callback(&local->hw, &sdata->vif, event);
910 	trace_drv_return_void(local);
911 }
912 
913 static inline void
914 drv_release_buffered_frames(struct ieee80211_local *local,
915 			    struct sta_info *sta, u16 tids, int num_frames,
916 			    enum ieee80211_frame_release_type reason,
917 			    bool more_data)
918 {
919 	trace_drv_release_buffered_frames(local, &sta->sta, tids, num_frames,
920 					  reason, more_data);
921 	if (local->ops->release_buffered_frames)
922 		local->ops->release_buffered_frames(&local->hw, &sta->sta, tids,
923 						    num_frames, reason,
924 						    more_data);
925 	trace_drv_return_void(local);
926 }
927 
928 static inline void
929 drv_allow_buffered_frames(struct ieee80211_local *local,
930 			  struct sta_info *sta, u16 tids, int num_frames,
931 			  enum ieee80211_frame_release_type reason,
932 			  bool more_data)
933 {
934 	trace_drv_allow_buffered_frames(local, &sta->sta, tids, num_frames,
935 					reason, more_data);
936 	if (local->ops->allow_buffered_frames)
937 		local->ops->allow_buffered_frames(&local->hw, &sta->sta,
938 						  tids, num_frames, reason,
939 						  more_data);
940 	trace_drv_return_void(local);
941 }
942 
943 static inline int drv_get_rssi(struct ieee80211_local *local,
944 				struct ieee80211_sub_if_data *sdata,
945 				struct ieee80211_sta *sta,
946 				s8 *rssi_dbm)
947 {
948 	int ret;
949 
950 	might_sleep();
951 
952 	ret = local->ops->get_rssi(&local->hw, &sdata->vif, sta, rssi_dbm);
953 	trace_drv_get_rssi(local, sta, *rssi_dbm, ret);
954 
955 	return ret;
956 }
957 
958 static inline void drv_mgd_prepare_tx(struct ieee80211_local *local,
959 				      struct ieee80211_sub_if_data *sdata)
960 {
961 	might_sleep();
962 
963 	if (!check_sdata_in_driver(sdata))
964 		return;
965 	WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION);
966 
967 	trace_drv_mgd_prepare_tx(local, sdata);
968 	if (local->ops->mgd_prepare_tx)
969 		local->ops->mgd_prepare_tx(&local->hw, &sdata->vif);
970 	trace_drv_return_void(local);
971 }
972 
973 static inline int drv_add_chanctx(struct ieee80211_local *local,
974 				  struct ieee80211_chanctx *ctx)
975 {
976 	int ret = -EOPNOTSUPP;
977 
978 	trace_drv_add_chanctx(local, ctx);
979 	if (local->ops->add_chanctx)
980 		ret = local->ops->add_chanctx(&local->hw, &ctx->conf);
981 	trace_drv_return_int(local, ret);
982 	if (!ret)
983 		ctx->driver_present = true;
984 
985 	return ret;
986 }
987 
988 static inline void drv_remove_chanctx(struct ieee80211_local *local,
989 				      struct ieee80211_chanctx *ctx)
990 {
991 	if (WARN_ON(!ctx->driver_present))
992 		return;
993 
994 	trace_drv_remove_chanctx(local, ctx);
995 	if (local->ops->remove_chanctx)
996 		local->ops->remove_chanctx(&local->hw, &ctx->conf);
997 	trace_drv_return_void(local);
998 	ctx->driver_present = false;
999 }
1000 
1001 static inline void drv_change_chanctx(struct ieee80211_local *local,
1002 				      struct ieee80211_chanctx *ctx,
1003 				      u32 changed)
1004 {
1005 	trace_drv_change_chanctx(local, ctx, changed);
1006 	if (local->ops->change_chanctx) {
1007 		WARN_ON_ONCE(!ctx->driver_present);
1008 		local->ops->change_chanctx(&local->hw, &ctx->conf, changed);
1009 	}
1010 	trace_drv_return_void(local);
1011 }
1012 
1013 static inline int drv_assign_vif_chanctx(struct ieee80211_local *local,
1014 					 struct ieee80211_sub_if_data *sdata,
1015 					 struct ieee80211_chanctx *ctx)
1016 {
1017 	int ret = 0;
1018 
1019 	if (!check_sdata_in_driver(sdata))
1020 		return -EIO;
1021 
1022 	trace_drv_assign_vif_chanctx(local, sdata, ctx);
1023 	if (local->ops->assign_vif_chanctx) {
1024 		WARN_ON_ONCE(!ctx->driver_present);
1025 		ret = local->ops->assign_vif_chanctx(&local->hw,
1026 						     &sdata->vif,
1027 						     &ctx->conf);
1028 	}
1029 	trace_drv_return_int(local, ret);
1030 
1031 	return ret;
1032 }
1033 
1034 static inline void drv_unassign_vif_chanctx(struct ieee80211_local *local,
1035 					    struct ieee80211_sub_if_data *sdata,
1036 					    struct ieee80211_chanctx *ctx)
1037 {
1038 	if (!check_sdata_in_driver(sdata))
1039 		return;
1040 
1041 	trace_drv_unassign_vif_chanctx(local, sdata, ctx);
1042 	if (local->ops->unassign_vif_chanctx) {
1043 		WARN_ON_ONCE(!ctx->driver_present);
1044 		local->ops->unassign_vif_chanctx(&local->hw,
1045 						 &sdata->vif,
1046 						 &ctx->conf);
1047 	}
1048 	trace_drv_return_void(local);
1049 }
1050 
1051 static inline int
1052 drv_switch_vif_chanctx(struct ieee80211_local *local,
1053 		       struct ieee80211_vif_chanctx_switch *vifs,
1054 		       int n_vifs,
1055 		       enum ieee80211_chanctx_switch_mode mode)
1056 {
1057 	int ret = 0;
1058 	int i;
1059 
1060 	if (!local->ops->switch_vif_chanctx)
1061 		return -EOPNOTSUPP;
1062 
1063 	for (i = 0; i < n_vifs; i++) {
1064 		struct ieee80211_chanctx *new_ctx =
1065 			container_of(vifs[i].new_ctx,
1066 				     struct ieee80211_chanctx,
1067 				     conf);
1068 		struct ieee80211_chanctx *old_ctx =
1069 			container_of(vifs[i].old_ctx,
1070 				     struct ieee80211_chanctx,
1071 				     conf);
1072 
1073 		WARN_ON_ONCE(!old_ctx->driver_present);
1074 		WARN_ON_ONCE((mode == CHANCTX_SWMODE_SWAP_CONTEXTS &&
1075 			      new_ctx->driver_present) ||
1076 			     (mode == CHANCTX_SWMODE_REASSIGN_VIF &&
1077 			      !new_ctx->driver_present));
1078 	}
1079 
1080 	trace_drv_switch_vif_chanctx(local, vifs, n_vifs, mode);
1081 	ret = local->ops->switch_vif_chanctx(&local->hw,
1082 					     vifs, n_vifs, mode);
1083 	trace_drv_return_int(local, ret);
1084 
1085 	if (!ret && mode == CHANCTX_SWMODE_SWAP_CONTEXTS) {
1086 		for (i = 0; i < n_vifs; i++) {
1087 			struct ieee80211_chanctx *new_ctx =
1088 				container_of(vifs[i].new_ctx,
1089 					     struct ieee80211_chanctx,
1090 					     conf);
1091 			struct ieee80211_chanctx *old_ctx =
1092 				container_of(vifs[i].old_ctx,
1093 					     struct ieee80211_chanctx,
1094 					     conf);
1095 
1096 			new_ctx->driver_present = true;
1097 			old_ctx->driver_present = false;
1098 		}
1099 	}
1100 
1101 	return ret;
1102 }
1103 
1104 static inline int drv_start_ap(struct ieee80211_local *local,
1105 			       struct ieee80211_sub_if_data *sdata)
1106 {
1107 	int ret = 0;
1108 
1109 	if (!check_sdata_in_driver(sdata))
1110 		return -EIO;
1111 
1112 	trace_drv_start_ap(local, sdata, &sdata->vif.bss_conf);
1113 	if (local->ops->start_ap)
1114 		ret = local->ops->start_ap(&local->hw, &sdata->vif);
1115 	trace_drv_return_int(local, ret);
1116 	return ret;
1117 }
1118 
1119 static inline void drv_stop_ap(struct ieee80211_local *local,
1120 			       struct ieee80211_sub_if_data *sdata)
1121 {
1122 	if (!check_sdata_in_driver(sdata))
1123 		return;
1124 
1125 	trace_drv_stop_ap(local, sdata);
1126 	if (local->ops->stop_ap)
1127 		local->ops->stop_ap(&local->hw, &sdata->vif);
1128 	trace_drv_return_void(local);
1129 }
1130 
1131 static inline void drv_restart_complete(struct ieee80211_local *local)
1132 {
1133 	might_sleep();
1134 
1135 	trace_drv_restart_complete(local);
1136 	if (local->ops->restart_complete)
1137 		local->ops->restart_complete(&local->hw);
1138 	trace_drv_return_void(local);
1139 }
1140 
1141 static inline void
1142 drv_set_default_unicast_key(struct ieee80211_local *local,
1143 			    struct ieee80211_sub_if_data *sdata,
1144 			    int key_idx)
1145 {
1146 	if (!check_sdata_in_driver(sdata))
1147 		return;
1148 
1149 	WARN_ON_ONCE(key_idx < -1 || key_idx > 3);
1150 
1151 	trace_drv_set_default_unicast_key(local, sdata, key_idx);
1152 	if (local->ops->set_default_unicast_key)
1153 		local->ops->set_default_unicast_key(&local->hw, &sdata->vif,
1154 						    key_idx);
1155 	trace_drv_return_void(local);
1156 }
1157 
1158 #if IS_ENABLED(CONFIG_IPV6)
1159 static inline void drv_ipv6_addr_change(struct ieee80211_local *local,
1160 					struct ieee80211_sub_if_data *sdata,
1161 					struct inet6_dev *idev)
1162 {
1163 	trace_drv_ipv6_addr_change(local, sdata);
1164 	if (local->ops->ipv6_addr_change)
1165 		local->ops->ipv6_addr_change(&local->hw, &sdata->vif, idev);
1166 	trace_drv_return_void(local);
1167 }
1168 #endif
1169 
1170 static inline void
1171 drv_channel_switch_beacon(struct ieee80211_sub_if_data *sdata,
1172 			  struct cfg80211_chan_def *chandef)
1173 {
1174 	struct ieee80211_local *local = sdata->local;
1175 
1176 	if (local->ops->channel_switch_beacon) {
1177 		trace_drv_channel_switch_beacon(local, sdata, chandef);
1178 		local->ops->channel_switch_beacon(&local->hw, &sdata->vif,
1179 						  chandef);
1180 	}
1181 }
1182 
1183 static inline int drv_join_ibss(struct ieee80211_local *local,
1184 				struct ieee80211_sub_if_data *sdata)
1185 {
1186 	int ret = 0;
1187 
1188 	might_sleep();
1189 	if (!check_sdata_in_driver(sdata))
1190 		return -EIO;
1191 
1192 	trace_drv_join_ibss(local, sdata, &sdata->vif.bss_conf);
1193 	if (local->ops->join_ibss)
1194 		ret = local->ops->join_ibss(&local->hw, &sdata->vif);
1195 	trace_drv_return_int(local, ret);
1196 	return ret;
1197 }
1198 
1199 static inline void drv_leave_ibss(struct ieee80211_local *local,
1200 				  struct ieee80211_sub_if_data *sdata)
1201 {
1202 	might_sleep();
1203 	if (!check_sdata_in_driver(sdata))
1204 		return;
1205 
1206 	trace_drv_leave_ibss(local, sdata);
1207 	if (local->ops->leave_ibss)
1208 		local->ops->leave_ibss(&local->hw, &sdata->vif);
1209 	trace_drv_return_void(local);
1210 }
1211 
1212 static inline u32 drv_get_expected_throughput(struct ieee80211_local *local,
1213 					      struct ieee80211_sta *sta)
1214 {
1215 	u32 ret = 0;
1216 
1217 	trace_drv_get_expected_throughput(sta);
1218 	if (local->ops->get_expected_throughput)
1219 		ret = local->ops->get_expected_throughput(sta);
1220 	trace_drv_return_u32(local, ret);
1221 
1222 	return ret;
1223 }
1224 
1225 #endif /* __MAC80211_DRIVER_OPS */
1226