xref: /linux/net/mac80211/driver-ops.h (revision c5aec4c76af1a2d89ee2f2d4d5463b2ad2d85de5) 
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 ? 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 	check_sdata_in_driver(sdata);
172 
173 	trace_drv_change_interface(local, sdata, type, p2p);
174 	ret = local->ops->change_interface(&local->hw, &sdata->vif, type, p2p);
175 	trace_drv_return_int(local, ret);
176 	return ret;
177 }
178 
179 static inline void drv_remove_interface(struct ieee80211_local *local,
180 					struct ieee80211_sub_if_data *sdata)
181 {
182 	might_sleep();
183 
184 	check_sdata_in_driver(sdata);
185 
186 	trace_drv_remove_interface(local, sdata);
187 	local->ops->remove_interface(&local->hw, &sdata->vif);
188 	sdata->flags &= ~IEEE80211_SDATA_IN_DRIVER;
189 	trace_drv_return_void(local);
190 }
191 
192 static inline int drv_config(struct ieee80211_local *local, u32 changed)
193 {
194 	int ret;
195 
196 	might_sleep();
197 
198 	trace_drv_config(local, changed);
199 	ret = local->ops->config(&local->hw, changed);
200 	trace_drv_return_int(local, ret);
201 	return ret;
202 }
203 
204 static inline void drv_bss_info_changed(struct ieee80211_local *local,
205 					struct ieee80211_sub_if_data *sdata,
206 					struct ieee80211_bss_conf *info,
207 					u32 changed)
208 {
209 	might_sleep();
210 
211 	if (WARN_ON_ONCE(changed & (BSS_CHANGED_BEACON |
212 				    BSS_CHANGED_BEACON_ENABLED) &&
213 			 sdata->vif.type != NL80211_IFTYPE_AP &&
214 			 sdata->vif.type != NL80211_IFTYPE_ADHOC &&
215 			 sdata->vif.type != NL80211_IFTYPE_MESH_POINT))
216 		return;
217 
218 	if (WARN_ON_ONCE(sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE ||
219 			 sdata->vif.type == NL80211_IFTYPE_MONITOR))
220 		return;
221 
222 	check_sdata_in_driver(sdata);
223 
224 	trace_drv_bss_info_changed(local, sdata, info, changed);
225 	if (local->ops->bss_info_changed)
226 		local->ops->bss_info_changed(&local->hw, &sdata->vif, info, changed);
227 	trace_drv_return_void(local);
228 }
229 
230 static inline u64 drv_prepare_multicast(struct ieee80211_local *local,
231 					struct netdev_hw_addr_list *mc_list)
232 {
233 	u64 ret = 0;
234 
235 	trace_drv_prepare_multicast(local, mc_list->count);
236 
237 	if (local->ops->prepare_multicast)
238 		ret = local->ops->prepare_multicast(&local->hw, mc_list);
239 
240 	trace_drv_return_u64(local, ret);
241 
242 	return ret;
243 }
244 
245 static inline void drv_configure_filter(struct ieee80211_local *local,
246 					unsigned int changed_flags,
247 					unsigned int *total_flags,
248 					u64 multicast)
249 {
250 	might_sleep();
251 
252 	trace_drv_configure_filter(local, changed_flags, total_flags,
253 				   multicast);
254 	local->ops->configure_filter(&local->hw, changed_flags, total_flags,
255 				     multicast);
256 	trace_drv_return_void(local);
257 }
258 
259 static inline int drv_set_tim(struct ieee80211_local *local,
260 			      struct ieee80211_sta *sta, bool set)
261 {
262 	int ret = 0;
263 	trace_drv_set_tim(local, sta, set);
264 	if (local->ops->set_tim)
265 		ret = local->ops->set_tim(&local->hw, sta, set);
266 	trace_drv_return_int(local, ret);
267 	return ret;
268 }
269 
270 static inline int drv_set_key(struct ieee80211_local *local,
271 			      enum set_key_cmd cmd,
272 			      struct ieee80211_sub_if_data *sdata,
273 			      struct ieee80211_sta *sta,
274 			      struct ieee80211_key_conf *key)
275 {
276 	int ret;
277 
278 	might_sleep();
279 
280 	sdata = get_bss_sdata(sdata);
281 	check_sdata_in_driver(sdata);
282 
283 	trace_drv_set_key(local, cmd, sdata, sta, key);
284 	ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key);
285 	trace_drv_return_int(local, ret);
286 	return ret;
287 }
288 
289 static inline void drv_update_tkip_key(struct ieee80211_local *local,
290 				       struct ieee80211_sub_if_data *sdata,
291 				       struct ieee80211_key_conf *conf,
292 				       struct sta_info *sta, u32 iv32,
293 				       u16 *phase1key)
294 {
295 	struct ieee80211_sta *ista = NULL;
296 
297 	if (sta)
298 		ista = &sta->sta;
299 
300 	sdata = get_bss_sdata(sdata);
301 	check_sdata_in_driver(sdata);
302 
303 	trace_drv_update_tkip_key(local, sdata, conf, ista, iv32);
304 	if (local->ops->update_tkip_key)
305 		local->ops->update_tkip_key(&local->hw, &sdata->vif, conf,
306 					    ista, iv32, phase1key);
307 	trace_drv_return_void(local);
308 }
309 
310 static inline int drv_hw_scan(struct ieee80211_local *local,
311 			      struct ieee80211_sub_if_data *sdata,
312 			      struct cfg80211_scan_request *req)
313 {
314 	int ret;
315 
316 	might_sleep();
317 
318 	check_sdata_in_driver(sdata);
319 
320 	trace_drv_hw_scan(local, sdata);
321 	ret = local->ops->hw_scan(&local->hw, &sdata->vif, req);
322 	trace_drv_return_int(local, ret);
323 	return ret;
324 }
325 
326 static inline void drv_cancel_hw_scan(struct ieee80211_local *local,
327 				      struct ieee80211_sub_if_data *sdata)
328 {
329 	might_sleep();
330 
331 	check_sdata_in_driver(sdata);
332 
333 	trace_drv_cancel_hw_scan(local, sdata);
334 	local->ops->cancel_hw_scan(&local->hw, &sdata->vif);
335 	trace_drv_return_void(local);
336 }
337 
338 static inline int
339 drv_sched_scan_start(struct ieee80211_local *local,
340 		     struct ieee80211_sub_if_data *sdata,
341 		     struct cfg80211_sched_scan_request *req,
342 		     struct ieee80211_sched_scan_ies *ies)
343 {
344 	int ret;
345 
346 	might_sleep();
347 
348 	check_sdata_in_driver(sdata);
349 
350 	trace_drv_sched_scan_start(local, sdata);
351 	ret = local->ops->sched_scan_start(&local->hw, &sdata->vif,
352 					      req, ies);
353 	trace_drv_return_int(local, ret);
354 	return ret;
355 }
356 
357 static inline int drv_sched_scan_stop(struct ieee80211_local *local,
358 				      struct ieee80211_sub_if_data *sdata)
359 {
360 	int ret;
361 
362 	might_sleep();
363 
364 	check_sdata_in_driver(sdata);
365 
366 	trace_drv_sched_scan_stop(local, sdata);
367 	ret = local->ops->sched_scan_stop(&local->hw, &sdata->vif);
368 	trace_drv_return_int(local, ret);
369 
370 	return ret;
371 }
372 
373 static inline void drv_sw_scan_start(struct ieee80211_local *local)
374 {
375 	might_sleep();
376 
377 	trace_drv_sw_scan_start(local);
378 	if (local->ops->sw_scan_start)
379 		local->ops->sw_scan_start(&local->hw);
380 	trace_drv_return_void(local);
381 }
382 
383 static inline void drv_sw_scan_complete(struct ieee80211_local *local)
384 {
385 	might_sleep();
386 
387 	trace_drv_sw_scan_complete(local);
388 	if (local->ops->sw_scan_complete)
389 		local->ops->sw_scan_complete(&local->hw);
390 	trace_drv_return_void(local);
391 }
392 
393 static inline int drv_get_stats(struct ieee80211_local *local,
394 				struct ieee80211_low_level_stats *stats)
395 {
396 	int ret = -EOPNOTSUPP;
397 
398 	might_sleep();
399 
400 	if (local->ops->get_stats)
401 		ret = local->ops->get_stats(&local->hw, stats);
402 	trace_drv_get_stats(local, stats, ret);
403 
404 	return ret;
405 }
406 
407 static inline void drv_get_tkip_seq(struct ieee80211_local *local,
408 				    u8 hw_key_idx, u32 *iv32, u16 *iv16)
409 {
410 	if (local->ops->get_tkip_seq)
411 		local->ops->get_tkip_seq(&local->hw, hw_key_idx, iv32, iv16);
412 	trace_drv_get_tkip_seq(local, hw_key_idx, iv32, iv16);
413 }
414 
415 static inline int drv_set_frag_threshold(struct ieee80211_local *local,
416 					u32 value)
417 {
418 	int ret = 0;
419 
420 	might_sleep();
421 
422 	trace_drv_set_frag_threshold(local, value);
423 	if (local->ops->set_frag_threshold)
424 		ret = local->ops->set_frag_threshold(&local->hw, value);
425 	trace_drv_return_int(local, ret);
426 	return ret;
427 }
428 
429 static inline int drv_set_rts_threshold(struct ieee80211_local *local,
430 					u32 value)
431 {
432 	int ret = 0;
433 
434 	might_sleep();
435 
436 	trace_drv_set_rts_threshold(local, value);
437 	if (local->ops->set_rts_threshold)
438 		ret = local->ops->set_rts_threshold(&local->hw, value);
439 	trace_drv_return_int(local, ret);
440 	return ret;
441 }
442 
443 static inline int drv_set_coverage_class(struct ieee80211_local *local,
444 					 u8 value)
445 {
446 	int ret = 0;
447 	might_sleep();
448 
449 	trace_drv_set_coverage_class(local, value);
450 	if (local->ops->set_coverage_class)
451 		local->ops->set_coverage_class(&local->hw, value);
452 	else
453 		ret = -EOPNOTSUPP;
454 
455 	trace_drv_return_int(local, ret);
456 	return ret;
457 }
458 
459 static inline void drv_sta_notify(struct ieee80211_local *local,
460 				  struct ieee80211_sub_if_data *sdata,
461 				  enum sta_notify_cmd cmd,
462 				  struct ieee80211_sta *sta)
463 {
464 	sdata = get_bss_sdata(sdata);
465 	check_sdata_in_driver(sdata);
466 
467 	trace_drv_sta_notify(local, sdata, cmd, sta);
468 	if (local->ops->sta_notify)
469 		local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta);
470 	trace_drv_return_void(local);
471 }
472 
473 static inline int drv_sta_add(struct ieee80211_local *local,
474 			      struct ieee80211_sub_if_data *sdata,
475 			      struct ieee80211_sta *sta)
476 {
477 	int ret = 0;
478 
479 	might_sleep();
480 
481 	sdata = get_bss_sdata(sdata);
482 	check_sdata_in_driver(sdata);
483 
484 	trace_drv_sta_add(local, sdata, sta);
485 	if (local->ops->sta_add)
486 		ret = local->ops->sta_add(&local->hw, &sdata->vif, sta);
487 
488 	trace_drv_return_int(local, ret);
489 
490 	return ret;
491 }
492 
493 static inline void drv_sta_remove(struct ieee80211_local *local,
494 				  struct ieee80211_sub_if_data *sdata,
495 				  struct ieee80211_sta *sta)
496 {
497 	might_sleep();
498 
499 	sdata = get_bss_sdata(sdata);
500 	check_sdata_in_driver(sdata);
501 
502 	trace_drv_sta_remove(local, sdata, sta);
503 	if (local->ops->sta_remove)
504 		local->ops->sta_remove(&local->hw, &sdata->vif, sta);
505 
506 	trace_drv_return_void(local);
507 }
508 
509 #ifdef CONFIG_MAC80211_DEBUGFS
510 static inline void drv_sta_add_debugfs(struct ieee80211_local *local,
511 				       struct ieee80211_sub_if_data *sdata,
512 				       struct ieee80211_sta *sta,
513 				       struct dentry *dir)
514 {
515 	might_sleep();
516 
517 	sdata = get_bss_sdata(sdata);
518 	check_sdata_in_driver(sdata);
519 
520 	if (local->ops->sta_add_debugfs)
521 		local->ops->sta_add_debugfs(&local->hw, &sdata->vif,
522 					    sta, dir);
523 }
524 
525 static inline void drv_sta_remove_debugfs(struct ieee80211_local *local,
526 					  struct ieee80211_sub_if_data *sdata,
527 					  struct ieee80211_sta *sta,
528 					  struct dentry *dir)
529 {
530 	might_sleep();
531 
532 	sdata = get_bss_sdata(sdata);
533 	check_sdata_in_driver(sdata);
534 
535 	if (local->ops->sta_remove_debugfs)
536 		local->ops->sta_remove_debugfs(&local->hw, &sdata->vif,
537 					       sta, dir);
538 }
539 #endif
540 
541 static inline void drv_sta_pre_rcu_remove(struct ieee80211_local *local,
542 					  struct ieee80211_sub_if_data *sdata,
543 					  struct sta_info *sta)
544 {
545 	might_sleep();
546 
547 	sdata = get_bss_sdata(sdata);
548 	check_sdata_in_driver(sdata);
549 
550 	trace_drv_sta_pre_rcu_remove(local, sdata, &sta->sta);
551 	if (local->ops->sta_pre_rcu_remove)
552 		local->ops->sta_pre_rcu_remove(&local->hw, &sdata->vif,
553 					       &sta->sta);
554 	trace_drv_return_void(local);
555 }
556 
557 static inline __must_check
558 int drv_sta_state(struct ieee80211_local *local,
559 		  struct ieee80211_sub_if_data *sdata,
560 		  struct sta_info *sta,
561 		  enum ieee80211_sta_state old_state,
562 		  enum ieee80211_sta_state new_state)
563 {
564 	int ret = 0;
565 
566 	might_sleep();
567 
568 	sdata = get_bss_sdata(sdata);
569 	check_sdata_in_driver(sdata);
570 
571 	trace_drv_sta_state(local, sdata, &sta->sta, old_state, new_state);
572 	if (local->ops->sta_state) {
573 		ret = local->ops->sta_state(&local->hw, &sdata->vif, &sta->sta,
574 					    old_state, new_state);
575 	} else if (old_state == IEEE80211_STA_AUTH &&
576 		   new_state == IEEE80211_STA_ASSOC) {
577 		ret = drv_sta_add(local, sdata, &sta->sta);
578 		if (ret == 0)
579 			sta->uploaded = true;
580 	} else if (old_state == IEEE80211_STA_ASSOC &&
581 		   new_state == IEEE80211_STA_AUTH) {
582 		drv_sta_remove(local, sdata, &sta->sta);
583 	}
584 	trace_drv_return_int(local, ret);
585 	return ret;
586 }
587 
588 static inline void drv_sta_rc_update(struct ieee80211_local *local,
589 				     struct ieee80211_sub_if_data *sdata,
590 				     struct ieee80211_sta *sta, u32 changed)
591 {
592 	sdata = get_bss_sdata(sdata);
593 	check_sdata_in_driver(sdata);
594 
595 	WARN_ON(changed & IEEE80211_RC_SUPP_RATES_CHANGED &&
596 		(sdata->vif.type != NL80211_IFTYPE_ADHOC &&
597 		 sdata->vif.type != NL80211_IFTYPE_MESH_POINT));
598 
599 	trace_drv_sta_rc_update(local, sdata, sta, changed);
600 	if (local->ops->sta_rc_update)
601 		local->ops->sta_rc_update(&local->hw, &sdata->vif,
602 					  sta, changed);
603 
604 	trace_drv_return_void(local);
605 }
606 
607 static inline int drv_conf_tx(struct ieee80211_local *local,
608 			      struct ieee80211_sub_if_data *sdata, u16 ac,
609 			      const struct ieee80211_tx_queue_params *params)
610 {
611 	int ret = -EOPNOTSUPP;
612 
613 	might_sleep();
614 
615 	check_sdata_in_driver(sdata);
616 
617 	trace_drv_conf_tx(local, sdata, ac, params);
618 	if (local->ops->conf_tx)
619 		ret = local->ops->conf_tx(&local->hw, &sdata->vif,
620 					  ac, params);
621 	trace_drv_return_int(local, ret);
622 	return ret;
623 }
624 
625 static inline u64 drv_get_tsf(struct ieee80211_local *local,
626 			      struct ieee80211_sub_if_data *sdata)
627 {
628 	u64 ret = -1ULL;
629 
630 	might_sleep();
631 
632 	check_sdata_in_driver(sdata);
633 
634 	trace_drv_get_tsf(local, sdata);
635 	if (local->ops->get_tsf)
636 		ret = local->ops->get_tsf(&local->hw, &sdata->vif);
637 	trace_drv_return_u64(local, ret);
638 	return ret;
639 }
640 
641 static inline void drv_set_tsf(struct ieee80211_local *local,
642 			       struct ieee80211_sub_if_data *sdata,
643 			       u64 tsf)
644 {
645 	might_sleep();
646 
647 	check_sdata_in_driver(sdata);
648 
649 	trace_drv_set_tsf(local, sdata, tsf);
650 	if (local->ops->set_tsf)
651 		local->ops->set_tsf(&local->hw, &sdata->vif, tsf);
652 	trace_drv_return_void(local);
653 }
654 
655 static inline void drv_reset_tsf(struct ieee80211_local *local,
656 				 struct ieee80211_sub_if_data *sdata)
657 {
658 	might_sleep();
659 
660 	check_sdata_in_driver(sdata);
661 
662 	trace_drv_reset_tsf(local, sdata);
663 	if (local->ops->reset_tsf)
664 		local->ops->reset_tsf(&local->hw, &sdata->vif);
665 	trace_drv_return_void(local);
666 }
667 
668 static inline int drv_tx_last_beacon(struct ieee80211_local *local)
669 {
670 	int ret = 0; /* default unsupported op for less congestion */
671 
672 	might_sleep();
673 
674 	trace_drv_tx_last_beacon(local);
675 	if (local->ops->tx_last_beacon)
676 		ret = local->ops->tx_last_beacon(&local->hw);
677 	trace_drv_return_int(local, ret);
678 	return ret;
679 }
680 
681 static inline int drv_ampdu_action(struct ieee80211_local *local,
682 				   struct ieee80211_sub_if_data *sdata,
683 				   enum ieee80211_ampdu_mlme_action action,
684 				   struct ieee80211_sta *sta, u16 tid,
685 				   u16 *ssn, u8 buf_size)
686 {
687 	int ret = -EOPNOTSUPP;
688 
689 	might_sleep();
690 
691 	sdata = get_bss_sdata(sdata);
692 	check_sdata_in_driver(sdata);
693 
694 	trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, buf_size);
695 
696 	if (local->ops->ampdu_action)
697 		ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
698 					       sta, tid, ssn, buf_size);
699 
700 	trace_drv_return_int(local, ret);
701 
702 	return ret;
703 }
704 
705 static inline int drv_get_survey(struct ieee80211_local *local, int idx,
706 				struct survey_info *survey)
707 {
708 	int ret = -EOPNOTSUPP;
709 
710 	trace_drv_get_survey(local, idx, survey);
711 
712 	if (local->ops->get_survey)
713 		ret = local->ops->get_survey(&local->hw, idx, survey);
714 
715 	trace_drv_return_int(local, ret);
716 
717 	return ret;
718 }
719 
720 static inline void drv_rfkill_poll(struct ieee80211_local *local)
721 {
722 	might_sleep();
723 
724 	if (local->ops->rfkill_poll)
725 		local->ops->rfkill_poll(&local->hw);
726 }
727 
728 static inline void drv_flush(struct ieee80211_local *local,
729 			     u32 queues, bool drop)
730 {
731 	might_sleep();
732 
733 	trace_drv_flush(local, queues, drop);
734 	if (local->ops->flush)
735 		local->ops->flush(&local->hw, queues, drop);
736 	trace_drv_return_void(local);
737 }
738 
739 static inline void drv_channel_switch(struct ieee80211_local *local,
740 				     struct ieee80211_channel_switch *ch_switch)
741 {
742 	might_sleep();
743 
744 	trace_drv_channel_switch(local, ch_switch);
745 	local->ops->channel_switch(&local->hw, ch_switch);
746 	trace_drv_return_void(local);
747 }
748 
749 
750 static inline int drv_set_antenna(struct ieee80211_local *local,
751 				  u32 tx_ant, u32 rx_ant)
752 {
753 	int ret = -EOPNOTSUPP;
754 	might_sleep();
755 	if (local->ops->set_antenna)
756 		ret = local->ops->set_antenna(&local->hw, tx_ant, rx_ant);
757 	trace_drv_set_antenna(local, tx_ant, rx_ant, ret);
758 	return ret;
759 }
760 
761 static inline int drv_get_antenna(struct ieee80211_local *local,
762 				  u32 *tx_ant, u32 *rx_ant)
763 {
764 	int ret = -EOPNOTSUPP;
765 	might_sleep();
766 	if (local->ops->get_antenna)
767 		ret = local->ops->get_antenna(&local->hw, tx_ant, rx_ant);
768 	trace_drv_get_antenna(local, *tx_ant, *rx_ant, ret);
769 	return ret;
770 }
771 
772 static inline int drv_remain_on_channel(struct ieee80211_local *local,
773 					struct ieee80211_sub_if_data *sdata,
774 					struct ieee80211_channel *chan,
775 					unsigned int duration,
776 					enum ieee80211_roc_type type)
777 {
778 	int ret;
779 
780 	might_sleep();
781 
782 	trace_drv_remain_on_channel(local, sdata, chan, duration, type);
783 	ret = local->ops->remain_on_channel(&local->hw, &sdata->vif,
784 					    chan, duration, type);
785 	trace_drv_return_int(local, ret);
786 
787 	return ret;
788 }
789 
790 static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local)
791 {
792 	int ret;
793 
794 	might_sleep();
795 
796 	trace_drv_cancel_remain_on_channel(local);
797 	ret = local->ops->cancel_remain_on_channel(&local->hw);
798 	trace_drv_return_int(local, ret);
799 
800 	return ret;
801 }
802 
803 static inline int drv_set_ringparam(struct ieee80211_local *local,
804 				    u32 tx, u32 rx)
805 {
806 	int ret = -ENOTSUPP;
807 
808 	might_sleep();
809 
810 	trace_drv_set_ringparam(local, tx, rx);
811 	if (local->ops->set_ringparam)
812 		ret = local->ops->set_ringparam(&local->hw, tx, rx);
813 	trace_drv_return_int(local, ret);
814 
815 	return ret;
816 }
817 
818 static inline void drv_get_ringparam(struct ieee80211_local *local,
819 				     u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
820 {
821 	might_sleep();
822 
823 	trace_drv_get_ringparam(local, tx, tx_max, rx, rx_max);
824 	if (local->ops->get_ringparam)
825 		local->ops->get_ringparam(&local->hw, tx, tx_max, rx, rx_max);
826 	trace_drv_return_void(local);
827 }
828 
829 static inline bool drv_tx_frames_pending(struct ieee80211_local *local)
830 {
831 	bool ret = false;
832 
833 	might_sleep();
834 
835 	trace_drv_tx_frames_pending(local);
836 	if (local->ops->tx_frames_pending)
837 		ret = local->ops->tx_frames_pending(&local->hw);
838 	trace_drv_return_bool(local, ret);
839 
840 	return ret;
841 }
842 
843 static inline int drv_set_bitrate_mask(struct ieee80211_local *local,
844 				       struct ieee80211_sub_if_data *sdata,
845 				       const struct cfg80211_bitrate_mask *mask)
846 {
847 	int ret = -EOPNOTSUPP;
848 
849 	might_sleep();
850 
851 	check_sdata_in_driver(sdata);
852 
853 	trace_drv_set_bitrate_mask(local, sdata, mask);
854 	if (local->ops->set_bitrate_mask)
855 		ret = local->ops->set_bitrate_mask(&local->hw,
856 						   &sdata->vif, mask);
857 	trace_drv_return_int(local, ret);
858 
859 	return ret;
860 }
861 
862 static inline void drv_set_rekey_data(struct ieee80211_local *local,
863 				      struct ieee80211_sub_if_data *sdata,
864 				      struct cfg80211_gtk_rekey_data *data)
865 {
866 	check_sdata_in_driver(sdata);
867 
868 	trace_drv_set_rekey_data(local, sdata, data);
869 	if (local->ops->set_rekey_data)
870 		local->ops->set_rekey_data(&local->hw, &sdata->vif, data);
871 	trace_drv_return_void(local);
872 }
873 
874 static inline void drv_rssi_callback(struct ieee80211_local *local,
875 				     struct ieee80211_sub_if_data *sdata,
876 				     const enum ieee80211_rssi_event event)
877 {
878 	trace_drv_rssi_callback(local, sdata, event);
879 	if (local->ops->rssi_callback)
880 		local->ops->rssi_callback(&local->hw, &sdata->vif, event);
881 	trace_drv_return_void(local);
882 }
883 
884 static inline void
885 drv_release_buffered_frames(struct ieee80211_local *local,
886 			    struct sta_info *sta, u16 tids, int num_frames,
887 			    enum ieee80211_frame_release_type reason,
888 			    bool more_data)
889 {
890 	trace_drv_release_buffered_frames(local, &sta->sta, tids, num_frames,
891 					  reason, more_data);
892 	if (local->ops->release_buffered_frames)
893 		local->ops->release_buffered_frames(&local->hw, &sta->sta, tids,
894 						    num_frames, reason,
895 						    more_data);
896 	trace_drv_return_void(local);
897 }
898 
899 static inline void
900 drv_allow_buffered_frames(struct ieee80211_local *local,
901 			  struct sta_info *sta, u16 tids, int num_frames,
902 			  enum ieee80211_frame_release_type reason,
903 			  bool more_data)
904 {
905 	trace_drv_allow_buffered_frames(local, &sta->sta, tids, num_frames,
906 					reason, more_data);
907 	if (local->ops->allow_buffered_frames)
908 		local->ops->allow_buffered_frames(&local->hw, &sta->sta,
909 						  tids, num_frames, reason,
910 						  more_data);
911 	trace_drv_return_void(local);
912 }
913 
914 static inline int drv_get_rssi(struct ieee80211_local *local,
915 				struct ieee80211_sub_if_data *sdata,
916 				struct ieee80211_sta *sta,
917 				s8 *rssi_dbm)
918 {
919 	int ret;
920 
921 	might_sleep();
922 
923 	ret = local->ops->get_rssi(&local->hw, &sdata->vif, sta, rssi_dbm);
924 	trace_drv_get_rssi(local, sta, *rssi_dbm, ret);
925 
926 	return ret;
927 }
928 
929 static inline void drv_mgd_prepare_tx(struct ieee80211_local *local,
930 				      struct ieee80211_sub_if_data *sdata)
931 {
932 	might_sleep();
933 
934 	check_sdata_in_driver(sdata);
935 	WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION);
936 
937 	trace_drv_mgd_prepare_tx(local, sdata);
938 	if (local->ops->mgd_prepare_tx)
939 		local->ops->mgd_prepare_tx(&local->hw, &sdata->vif);
940 	trace_drv_return_void(local);
941 }
942 
943 static inline int drv_add_chanctx(struct ieee80211_local *local,
944 				  struct ieee80211_chanctx *ctx)
945 {
946 	int ret = -EOPNOTSUPP;
947 
948 	trace_drv_add_chanctx(local, ctx);
949 	if (local->ops->add_chanctx)
950 		ret = local->ops->add_chanctx(&local->hw, &ctx->conf);
951 	trace_drv_return_int(local, ret);
952 	if (!ret)
953 		ctx->driver_present = true;
954 
955 	return ret;
956 }
957 
958 static inline void drv_remove_chanctx(struct ieee80211_local *local,
959 				      struct ieee80211_chanctx *ctx)
960 {
961 	trace_drv_remove_chanctx(local, ctx);
962 	if (local->ops->remove_chanctx)
963 		local->ops->remove_chanctx(&local->hw, &ctx->conf);
964 	trace_drv_return_void(local);
965 	ctx->driver_present = false;
966 }
967 
968 static inline void drv_change_chanctx(struct ieee80211_local *local,
969 				      struct ieee80211_chanctx *ctx,
970 				      u32 changed)
971 {
972 	trace_drv_change_chanctx(local, ctx, changed);
973 	if (local->ops->change_chanctx) {
974 		WARN_ON_ONCE(!ctx->driver_present);
975 		local->ops->change_chanctx(&local->hw, &ctx->conf, changed);
976 	}
977 	trace_drv_return_void(local);
978 }
979 
980 static inline int drv_assign_vif_chanctx(struct ieee80211_local *local,
981 					 struct ieee80211_sub_if_data *sdata,
982 					 struct ieee80211_chanctx *ctx)
983 {
984 	int ret = 0;
985 
986 	check_sdata_in_driver(sdata);
987 
988 	trace_drv_assign_vif_chanctx(local, sdata, ctx);
989 	if (local->ops->assign_vif_chanctx) {
990 		WARN_ON_ONCE(!ctx->driver_present);
991 		ret = local->ops->assign_vif_chanctx(&local->hw,
992 						     &sdata->vif,
993 						     &ctx->conf);
994 	}
995 	trace_drv_return_int(local, ret);
996 
997 	return ret;
998 }
999 
1000 static inline void drv_unassign_vif_chanctx(struct ieee80211_local *local,
1001 					    struct ieee80211_sub_if_data *sdata,
1002 					    struct ieee80211_chanctx *ctx)
1003 {
1004 	check_sdata_in_driver(sdata);
1005 
1006 	trace_drv_unassign_vif_chanctx(local, sdata, ctx);
1007 	if (local->ops->unassign_vif_chanctx) {
1008 		WARN_ON_ONCE(!ctx->driver_present);
1009 		local->ops->unassign_vif_chanctx(&local->hw,
1010 						 &sdata->vif,
1011 						 &ctx->conf);
1012 	}
1013 	trace_drv_return_void(local);
1014 }
1015 
1016 static inline int drv_start_ap(struct ieee80211_local *local,
1017 			       struct ieee80211_sub_if_data *sdata)
1018 {
1019 	int ret = 0;
1020 
1021 	check_sdata_in_driver(sdata);
1022 
1023 	trace_drv_start_ap(local, sdata, &sdata->vif.bss_conf);
1024 	if (local->ops->start_ap)
1025 		ret = local->ops->start_ap(&local->hw, &sdata->vif);
1026 	trace_drv_return_int(local, ret);
1027 	return ret;
1028 }
1029 
1030 static inline void drv_stop_ap(struct ieee80211_local *local,
1031 			       struct ieee80211_sub_if_data *sdata)
1032 {
1033 	check_sdata_in_driver(sdata);
1034 
1035 	trace_drv_stop_ap(local, sdata);
1036 	if (local->ops->stop_ap)
1037 		local->ops->stop_ap(&local->hw, &sdata->vif);
1038 	trace_drv_return_void(local);
1039 }
1040 
1041 static inline void drv_restart_complete(struct ieee80211_local *local)
1042 {
1043 	might_sleep();
1044 
1045 	trace_drv_restart_complete(local);
1046 	if (local->ops->restart_complete)
1047 		local->ops->restart_complete(&local->hw);
1048 	trace_drv_return_void(local);
1049 }
1050 
1051 static inline void
1052 drv_set_default_unicast_key(struct ieee80211_local *local,
1053 			    struct ieee80211_sub_if_data *sdata,
1054 			    int key_idx)
1055 {
1056 	check_sdata_in_driver(sdata);
1057 
1058 	WARN_ON_ONCE(key_idx < -1 || key_idx > 3);
1059 
1060 	trace_drv_set_default_unicast_key(local, sdata, key_idx);
1061 	if (local->ops->set_default_unicast_key)
1062 		local->ops->set_default_unicast_key(&local->hw, &sdata->vif,
1063 						    key_idx);
1064 	trace_drv_return_void(local);
1065 }
1066 
1067 #if IS_ENABLED(CONFIG_IPV6)
1068 static inline void drv_ipv6_addr_change(struct ieee80211_local *local,
1069 					struct ieee80211_sub_if_data *sdata,
1070 					struct inet6_dev *idev)
1071 {
1072 	trace_drv_ipv6_addr_change(local, sdata);
1073 	if (local->ops->ipv6_addr_change)
1074 		local->ops->ipv6_addr_change(&local->hw, &sdata->vif, idev);
1075 	trace_drv_return_void(local);
1076 }
1077 #endif
1078 
1079 static inline void
1080 drv_channel_switch_beacon(struct ieee80211_sub_if_data *sdata,
1081 			  struct cfg80211_chan_def *chandef)
1082 {
1083 	struct ieee80211_local *local = sdata->local;
1084 
1085 	if (local->ops->channel_switch_beacon) {
1086 		trace_drv_channel_switch_beacon(local, sdata, chandef);
1087 		local->ops->channel_switch_beacon(&local->hw, &sdata->vif,
1088 						  chandef);
1089 	}
1090 }
1091 
1092 static inline int drv_join_ibss(struct ieee80211_local *local,
1093 				struct ieee80211_sub_if_data *sdata)
1094 {
1095 	int ret = 0;
1096 
1097 	might_sleep();
1098 	check_sdata_in_driver(sdata);
1099 
1100 	trace_drv_join_ibss(local, sdata, &sdata->vif.bss_conf);
1101 	if (local->ops->join_ibss)
1102 		ret = local->ops->join_ibss(&local->hw, &sdata->vif);
1103 	trace_drv_return_int(local, ret);
1104 	return ret;
1105 }
1106 
1107 static inline void drv_leave_ibss(struct ieee80211_local *local,
1108 				  struct ieee80211_sub_if_data *sdata)
1109 {
1110 	might_sleep();
1111 	check_sdata_in_driver(sdata);
1112 
1113 	trace_drv_leave_ibss(local, sdata);
1114 	if (local->ops->leave_ibss)
1115 		local->ops->leave_ibss(&local->hw, &sdata->vif);
1116 	trace_drv_return_void(local);
1117 }
1118 
1119 #endif /* __MAC80211_DRIVER_OPS */
1120