xref: /openbmc/linux/net/mac80211/driver-ops.h (revision 12eb4683) 
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_set_multicast_list(struct ieee80211_local *local,
246 					  struct ieee80211_sub_if_data *sdata,
247 					  struct netdev_hw_addr_list *mc_list)
248 {
249 	bool allmulti = sdata->flags & IEEE80211_SDATA_ALLMULTI;
250 
251 	trace_drv_set_multicast_list(local, sdata, mc_list->count);
252 
253 	check_sdata_in_driver(sdata);
254 
255 	if (local->ops->set_multicast_list)
256 		local->ops->set_multicast_list(&local->hw, &sdata->vif,
257 					       allmulti, mc_list);
258 	trace_drv_return_void(local);
259 }
260 
261 static inline void drv_configure_filter(struct ieee80211_local *local,
262 					unsigned int changed_flags,
263 					unsigned int *total_flags,
264 					u64 multicast)
265 {
266 	might_sleep();
267 
268 	trace_drv_configure_filter(local, changed_flags, total_flags,
269 				   multicast);
270 	local->ops->configure_filter(&local->hw, changed_flags, total_flags,
271 				     multicast);
272 	trace_drv_return_void(local);
273 }
274 
275 static inline int drv_set_tim(struct ieee80211_local *local,
276 			      struct ieee80211_sta *sta, bool set)
277 {
278 	int ret = 0;
279 	trace_drv_set_tim(local, sta, set);
280 	if (local->ops->set_tim)
281 		ret = local->ops->set_tim(&local->hw, sta, set);
282 	trace_drv_return_int(local, ret);
283 	return ret;
284 }
285 
286 static inline int drv_set_key(struct ieee80211_local *local,
287 			      enum set_key_cmd cmd,
288 			      struct ieee80211_sub_if_data *sdata,
289 			      struct ieee80211_sta *sta,
290 			      struct ieee80211_key_conf *key)
291 {
292 	int ret;
293 
294 	might_sleep();
295 
296 	sdata = get_bss_sdata(sdata);
297 	check_sdata_in_driver(sdata);
298 
299 	trace_drv_set_key(local, cmd, sdata, sta, key);
300 	ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key);
301 	trace_drv_return_int(local, ret);
302 	return ret;
303 }
304 
305 static inline void drv_update_tkip_key(struct ieee80211_local *local,
306 				       struct ieee80211_sub_if_data *sdata,
307 				       struct ieee80211_key_conf *conf,
308 				       struct sta_info *sta, u32 iv32,
309 				       u16 *phase1key)
310 {
311 	struct ieee80211_sta *ista = NULL;
312 
313 	if (sta)
314 		ista = &sta->sta;
315 
316 	sdata = get_bss_sdata(sdata);
317 	check_sdata_in_driver(sdata);
318 
319 	trace_drv_update_tkip_key(local, sdata, conf, ista, iv32);
320 	if (local->ops->update_tkip_key)
321 		local->ops->update_tkip_key(&local->hw, &sdata->vif, conf,
322 					    ista, iv32, phase1key);
323 	trace_drv_return_void(local);
324 }
325 
326 static inline int drv_hw_scan(struct ieee80211_local *local,
327 			      struct ieee80211_sub_if_data *sdata,
328 			      struct cfg80211_scan_request *req)
329 {
330 	int ret;
331 
332 	might_sleep();
333 
334 	check_sdata_in_driver(sdata);
335 
336 	trace_drv_hw_scan(local, sdata);
337 	ret = local->ops->hw_scan(&local->hw, &sdata->vif, req);
338 	trace_drv_return_int(local, ret);
339 	return ret;
340 }
341 
342 static inline void drv_cancel_hw_scan(struct ieee80211_local *local,
343 				      struct ieee80211_sub_if_data *sdata)
344 {
345 	might_sleep();
346 
347 	check_sdata_in_driver(sdata);
348 
349 	trace_drv_cancel_hw_scan(local, sdata);
350 	local->ops->cancel_hw_scan(&local->hw, &sdata->vif);
351 	trace_drv_return_void(local);
352 }
353 
354 static inline int
355 drv_sched_scan_start(struct ieee80211_local *local,
356 		     struct ieee80211_sub_if_data *sdata,
357 		     struct cfg80211_sched_scan_request *req,
358 		     struct ieee80211_sched_scan_ies *ies)
359 {
360 	int ret;
361 
362 	might_sleep();
363 
364 	check_sdata_in_driver(sdata);
365 
366 	trace_drv_sched_scan_start(local, sdata);
367 	ret = local->ops->sched_scan_start(&local->hw, &sdata->vif,
368 					      req, ies);
369 	trace_drv_return_int(local, ret);
370 	return ret;
371 }
372 
373 static inline void drv_sched_scan_stop(struct ieee80211_local *local,
374 				       struct ieee80211_sub_if_data *sdata)
375 {
376 	might_sleep();
377 
378 	check_sdata_in_driver(sdata);
379 
380 	trace_drv_sched_scan_stop(local, sdata);
381 	local->ops->sched_scan_stop(&local->hw, &sdata->vif);
382 	trace_drv_return_void(local);
383 }
384 
385 static inline void drv_sw_scan_start(struct ieee80211_local *local)
386 {
387 	might_sleep();
388 
389 	trace_drv_sw_scan_start(local);
390 	if (local->ops->sw_scan_start)
391 		local->ops->sw_scan_start(&local->hw);
392 	trace_drv_return_void(local);
393 }
394 
395 static inline void drv_sw_scan_complete(struct ieee80211_local *local)
396 {
397 	might_sleep();
398 
399 	trace_drv_sw_scan_complete(local);
400 	if (local->ops->sw_scan_complete)
401 		local->ops->sw_scan_complete(&local->hw);
402 	trace_drv_return_void(local);
403 }
404 
405 static inline int drv_get_stats(struct ieee80211_local *local,
406 				struct ieee80211_low_level_stats *stats)
407 {
408 	int ret = -EOPNOTSUPP;
409 
410 	might_sleep();
411 
412 	if (local->ops->get_stats)
413 		ret = local->ops->get_stats(&local->hw, stats);
414 	trace_drv_get_stats(local, stats, ret);
415 
416 	return ret;
417 }
418 
419 static inline void drv_get_tkip_seq(struct ieee80211_local *local,
420 				    u8 hw_key_idx, u32 *iv32, u16 *iv16)
421 {
422 	if (local->ops->get_tkip_seq)
423 		local->ops->get_tkip_seq(&local->hw, hw_key_idx, iv32, iv16);
424 	trace_drv_get_tkip_seq(local, hw_key_idx, iv32, iv16);
425 }
426 
427 static inline int drv_set_frag_threshold(struct ieee80211_local *local,
428 					u32 value)
429 {
430 	int ret = 0;
431 
432 	might_sleep();
433 
434 	trace_drv_set_frag_threshold(local, value);
435 	if (local->ops->set_frag_threshold)
436 		ret = local->ops->set_frag_threshold(&local->hw, value);
437 	trace_drv_return_int(local, ret);
438 	return ret;
439 }
440 
441 static inline int drv_set_rts_threshold(struct ieee80211_local *local,
442 					u32 value)
443 {
444 	int ret = 0;
445 
446 	might_sleep();
447 
448 	trace_drv_set_rts_threshold(local, value);
449 	if (local->ops->set_rts_threshold)
450 		ret = local->ops->set_rts_threshold(&local->hw, value);
451 	trace_drv_return_int(local, ret);
452 	return ret;
453 }
454 
455 static inline int drv_set_coverage_class(struct ieee80211_local *local,
456 					 u8 value)
457 {
458 	int ret = 0;
459 	might_sleep();
460 
461 	trace_drv_set_coverage_class(local, value);
462 	if (local->ops->set_coverage_class)
463 		local->ops->set_coverage_class(&local->hw, value);
464 	else
465 		ret = -EOPNOTSUPP;
466 
467 	trace_drv_return_int(local, ret);
468 	return ret;
469 }
470 
471 static inline void drv_sta_notify(struct ieee80211_local *local,
472 				  struct ieee80211_sub_if_data *sdata,
473 				  enum sta_notify_cmd cmd,
474 				  struct ieee80211_sta *sta)
475 {
476 	sdata = get_bss_sdata(sdata);
477 	check_sdata_in_driver(sdata);
478 
479 	trace_drv_sta_notify(local, sdata, cmd, sta);
480 	if (local->ops->sta_notify)
481 		local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta);
482 	trace_drv_return_void(local);
483 }
484 
485 static inline int drv_sta_add(struct ieee80211_local *local,
486 			      struct ieee80211_sub_if_data *sdata,
487 			      struct ieee80211_sta *sta)
488 {
489 	int ret = 0;
490 
491 	might_sleep();
492 
493 	sdata = get_bss_sdata(sdata);
494 	check_sdata_in_driver(sdata);
495 
496 	trace_drv_sta_add(local, sdata, sta);
497 	if (local->ops->sta_add)
498 		ret = local->ops->sta_add(&local->hw, &sdata->vif, sta);
499 
500 	trace_drv_return_int(local, ret);
501 
502 	return ret;
503 }
504 
505 static inline void drv_sta_remove(struct ieee80211_local *local,
506 				  struct ieee80211_sub_if_data *sdata,
507 				  struct ieee80211_sta *sta)
508 {
509 	might_sleep();
510 
511 	sdata = get_bss_sdata(sdata);
512 	check_sdata_in_driver(sdata);
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 	check_sdata_in_driver(sdata);
531 
532 	if (local->ops->sta_add_debugfs)
533 		local->ops->sta_add_debugfs(&local->hw, &sdata->vif,
534 					    sta, dir);
535 }
536 
537 static inline void drv_sta_remove_debugfs(struct ieee80211_local *local,
538 					  struct ieee80211_sub_if_data *sdata,
539 					  struct ieee80211_sta *sta,
540 					  struct dentry *dir)
541 {
542 	might_sleep();
543 
544 	sdata = get_bss_sdata(sdata);
545 	check_sdata_in_driver(sdata);
546 
547 	if (local->ops->sta_remove_debugfs)
548 		local->ops->sta_remove_debugfs(&local->hw, &sdata->vif,
549 					       sta, dir);
550 }
551 #endif
552 
553 static inline __must_check
554 int drv_sta_state(struct ieee80211_local *local,
555 		  struct ieee80211_sub_if_data *sdata,
556 		  struct sta_info *sta,
557 		  enum ieee80211_sta_state old_state,
558 		  enum ieee80211_sta_state new_state)
559 {
560 	int ret = 0;
561 
562 	might_sleep();
563 
564 	sdata = get_bss_sdata(sdata);
565 	check_sdata_in_driver(sdata);
566 
567 	trace_drv_sta_state(local, sdata, &sta->sta, old_state, new_state);
568 	if (local->ops->sta_state) {
569 		ret = local->ops->sta_state(&local->hw, &sdata->vif, &sta->sta,
570 					    old_state, new_state);
571 	} else if (old_state == IEEE80211_STA_AUTH &&
572 		   new_state == IEEE80211_STA_ASSOC) {
573 		ret = drv_sta_add(local, sdata, &sta->sta);
574 		if (ret == 0)
575 			sta->uploaded = true;
576 	} else if (old_state == IEEE80211_STA_ASSOC &&
577 		   new_state == IEEE80211_STA_AUTH) {
578 		drv_sta_remove(local, sdata, &sta->sta);
579 	}
580 	trace_drv_return_int(local, ret);
581 	return ret;
582 }
583 
584 static inline void drv_sta_rc_update(struct ieee80211_local *local,
585 				     struct ieee80211_sub_if_data *sdata,
586 				     struct ieee80211_sta *sta, u32 changed)
587 {
588 	sdata = get_bss_sdata(sdata);
589 	check_sdata_in_driver(sdata);
590 
591 	WARN_ON(changed & IEEE80211_RC_SUPP_RATES_CHANGED &&
592 		(sdata->vif.type != NL80211_IFTYPE_ADHOC &&
593 		 sdata->vif.type != NL80211_IFTYPE_MESH_POINT));
594 
595 	trace_drv_sta_rc_update(local, sdata, sta, changed);
596 	if (local->ops->sta_rc_update)
597 		local->ops->sta_rc_update(&local->hw, &sdata->vif,
598 					  sta, changed);
599 
600 	trace_drv_return_void(local);
601 }
602 
603 static inline int drv_conf_tx(struct ieee80211_local *local,
604 			      struct ieee80211_sub_if_data *sdata, u16 ac,
605 			      const struct ieee80211_tx_queue_params *params)
606 {
607 	int ret = -EOPNOTSUPP;
608 
609 	might_sleep();
610 
611 	check_sdata_in_driver(sdata);
612 
613 	trace_drv_conf_tx(local, sdata, ac, params);
614 	if (local->ops->conf_tx)
615 		ret = local->ops->conf_tx(&local->hw, &sdata->vif,
616 					  ac, params);
617 	trace_drv_return_int(local, ret);
618 	return ret;
619 }
620 
621 static inline u64 drv_get_tsf(struct ieee80211_local *local,
622 			      struct ieee80211_sub_if_data *sdata)
623 {
624 	u64 ret = -1ULL;
625 
626 	might_sleep();
627 
628 	check_sdata_in_driver(sdata);
629 
630 	trace_drv_get_tsf(local, sdata);
631 	if (local->ops->get_tsf)
632 		ret = local->ops->get_tsf(&local->hw, &sdata->vif);
633 	trace_drv_return_u64(local, ret);
634 	return ret;
635 }
636 
637 static inline void drv_set_tsf(struct ieee80211_local *local,
638 			       struct ieee80211_sub_if_data *sdata,
639 			       u64 tsf)
640 {
641 	might_sleep();
642 
643 	check_sdata_in_driver(sdata);
644 
645 	trace_drv_set_tsf(local, sdata, tsf);
646 	if (local->ops->set_tsf)
647 		local->ops->set_tsf(&local->hw, &sdata->vif, tsf);
648 	trace_drv_return_void(local);
649 }
650 
651 static inline void drv_reset_tsf(struct ieee80211_local *local,
652 				 struct ieee80211_sub_if_data *sdata)
653 {
654 	might_sleep();
655 
656 	check_sdata_in_driver(sdata);
657 
658 	trace_drv_reset_tsf(local, sdata);
659 	if (local->ops->reset_tsf)
660 		local->ops->reset_tsf(&local->hw, &sdata->vif);
661 	trace_drv_return_void(local);
662 }
663 
664 static inline int drv_tx_last_beacon(struct ieee80211_local *local)
665 {
666 	int ret = 0; /* default unsupported op for less congestion */
667 
668 	might_sleep();
669 
670 	trace_drv_tx_last_beacon(local);
671 	if (local->ops->tx_last_beacon)
672 		ret = local->ops->tx_last_beacon(&local->hw);
673 	trace_drv_return_int(local, ret);
674 	return ret;
675 }
676 
677 static inline int drv_ampdu_action(struct ieee80211_local *local,
678 				   struct ieee80211_sub_if_data *sdata,
679 				   enum ieee80211_ampdu_mlme_action action,
680 				   struct ieee80211_sta *sta, u16 tid,
681 				   u16 *ssn, u8 buf_size)
682 {
683 	int ret = -EOPNOTSUPP;
684 
685 	might_sleep();
686 
687 	sdata = get_bss_sdata(sdata);
688 	check_sdata_in_driver(sdata);
689 
690 	trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, buf_size);
691 
692 	if (local->ops->ampdu_action)
693 		ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
694 					       sta, tid, ssn, buf_size);
695 
696 	trace_drv_return_int(local, ret);
697 
698 	return ret;
699 }
700 
701 static inline int drv_get_survey(struct ieee80211_local *local, int idx,
702 				struct survey_info *survey)
703 {
704 	int ret = -EOPNOTSUPP;
705 
706 	trace_drv_get_survey(local, idx, survey);
707 
708 	if (local->ops->get_survey)
709 		ret = local->ops->get_survey(&local->hw, idx, survey);
710 
711 	trace_drv_return_int(local, ret);
712 
713 	return ret;
714 }
715 
716 static inline void drv_rfkill_poll(struct ieee80211_local *local)
717 {
718 	might_sleep();
719 
720 	if (local->ops->rfkill_poll)
721 		local->ops->rfkill_poll(&local->hw);
722 }
723 
724 static inline void drv_flush(struct ieee80211_local *local,
725 			     u32 queues, bool drop)
726 {
727 	might_sleep();
728 
729 	trace_drv_flush(local, queues, drop);
730 	if (local->ops->flush)
731 		local->ops->flush(&local->hw, queues, drop);
732 	trace_drv_return_void(local);
733 }
734 
735 static inline void drv_channel_switch(struct ieee80211_local *local,
736 				     struct ieee80211_channel_switch *ch_switch)
737 {
738 	might_sleep();
739 
740 	trace_drv_channel_switch(local, ch_switch);
741 	local->ops->channel_switch(&local->hw, ch_switch);
742 	trace_drv_return_void(local);
743 }
744 
745 
746 static inline int drv_set_antenna(struct ieee80211_local *local,
747 				  u32 tx_ant, u32 rx_ant)
748 {
749 	int ret = -EOPNOTSUPP;
750 	might_sleep();
751 	if (local->ops->set_antenna)
752 		ret = local->ops->set_antenna(&local->hw, tx_ant, rx_ant);
753 	trace_drv_set_antenna(local, tx_ant, rx_ant, ret);
754 	return ret;
755 }
756 
757 static inline int drv_get_antenna(struct ieee80211_local *local,
758 				  u32 *tx_ant, u32 *rx_ant)
759 {
760 	int ret = -EOPNOTSUPP;
761 	might_sleep();
762 	if (local->ops->get_antenna)
763 		ret = local->ops->get_antenna(&local->hw, tx_ant, rx_ant);
764 	trace_drv_get_antenna(local, *tx_ant, *rx_ant, ret);
765 	return ret;
766 }
767 
768 static inline int drv_remain_on_channel(struct ieee80211_local *local,
769 					struct ieee80211_sub_if_data *sdata,
770 					struct ieee80211_channel *chan,
771 					unsigned int duration,
772 					enum ieee80211_roc_type type)
773 {
774 	int ret;
775 
776 	might_sleep();
777 
778 	trace_drv_remain_on_channel(local, sdata, chan, duration, type);
779 	ret = local->ops->remain_on_channel(&local->hw, &sdata->vif,
780 					    chan, duration, type);
781 	trace_drv_return_int(local, ret);
782 
783 	return ret;
784 }
785 
786 static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local)
787 {
788 	int ret;
789 
790 	might_sleep();
791 
792 	trace_drv_cancel_remain_on_channel(local);
793 	ret = local->ops->cancel_remain_on_channel(&local->hw);
794 	trace_drv_return_int(local, ret);
795 
796 	return ret;
797 }
798 
799 static inline int drv_set_ringparam(struct ieee80211_local *local,
800 				    u32 tx, u32 rx)
801 {
802 	int ret = -ENOTSUPP;
803 
804 	might_sleep();
805 
806 	trace_drv_set_ringparam(local, tx, rx);
807 	if (local->ops->set_ringparam)
808 		ret = local->ops->set_ringparam(&local->hw, tx, rx);
809 	trace_drv_return_int(local, ret);
810 
811 	return ret;
812 }
813 
814 static inline void drv_get_ringparam(struct ieee80211_local *local,
815 				     u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
816 {
817 	might_sleep();
818 
819 	trace_drv_get_ringparam(local, tx, tx_max, rx, rx_max);
820 	if (local->ops->get_ringparam)
821 		local->ops->get_ringparam(&local->hw, tx, tx_max, rx, rx_max);
822 	trace_drv_return_void(local);
823 }
824 
825 static inline bool drv_tx_frames_pending(struct ieee80211_local *local)
826 {
827 	bool ret = false;
828 
829 	might_sleep();
830 
831 	trace_drv_tx_frames_pending(local);
832 	if (local->ops->tx_frames_pending)
833 		ret = local->ops->tx_frames_pending(&local->hw);
834 	trace_drv_return_bool(local, ret);
835 
836 	return ret;
837 }
838 
839 static inline int drv_set_bitrate_mask(struct ieee80211_local *local,
840 				       struct ieee80211_sub_if_data *sdata,
841 				       const struct cfg80211_bitrate_mask *mask)
842 {
843 	int ret = -EOPNOTSUPP;
844 
845 	might_sleep();
846 
847 	check_sdata_in_driver(sdata);
848 
849 	trace_drv_set_bitrate_mask(local, sdata, mask);
850 	if (local->ops->set_bitrate_mask)
851 		ret = local->ops->set_bitrate_mask(&local->hw,
852 						   &sdata->vif, mask);
853 	trace_drv_return_int(local, ret);
854 
855 	return ret;
856 }
857 
858 static inline void drv_set_rekey_data(struct ieee80211_local *local,
859 				      struct ieee80211_sub_if_data *sdata,
860 				      struct cfg80211_gtk_rekey_data *data)
861 {
862 	check_sdata_in_driver(sdata);
863 
864 	trace_drv_set_rekey_data(local, sdata, data);
865 	if (local->ops->set_rekey_data)
866 		local->ops->set_rekey_data(&local->hw, &sdata->vif, data);
867 	trace_drv_return_void(local);
868 }
869 
870 static inline void drv_rssi_callback(struct ieee80211_local *local,
871 				     struct ieee80211_sub_if_data *sdata,
872 				     const enum ieee80211_rssi_event event)
873 {
874 	trace_drv_rssi_callback(local, sdata, event);
875 	if (local->ops->rssi_callback)
876 		local->ops->rssi_callback(&local->hw, &sdata->vif, event);
877 	trace_drv_return_void(local);
878 }
879 
880 static inline void
881 drv_release_buffered_frames(struct ieee80211_local *local,
882 			    struct sta_info *sta, u16 tids, int num_frames,
883 			    enum ieee80211_frame_release_type reason,
884 			    bool more_data)
885 {
886 	trace_drv_release_buffered_frames(local, &sta->sta, tids, num_frames,
887 					  reason, more_data);
888 	if (local->ops->release_buffered_frames)
889 		local->ops->release_buffered_frames(&local->hw, &sta->sta, tids,
890 						    num_frames, reason,
891 						    more_data);
892 	trace_drv_return_void(local);
893 }
894 
895 static inline void
896 drv_allow_buffered_frames(struct ieee80211_local *local,
897 			  struct sta_info *sta, u16 tids, int num_frames,
898 			  enum ieee80211_frame_release_type reason,
899 			  bool more_data)
900 {
901 	trace_drv_allow_buffered_frames(local, &sta->sta, tids, num_frames,
902 					reason, more_data);
903 	if (local->ops->allow_buffered_frames)
904 		local->ops->allow_buffered_frames(&local->hw, &sta->sta,
905 						  tids, num_frames, reason,
906 						  more_data);
907 	trace_drv_return_void(local);
908 }
909 
910 static inline int drv_get_rssi(struct ieee80211_local *local,
911 				struct ieee80211_sub_if_data *sdata,
912 				struct ieee80211_sta *sta,
913 				s8 *rssi_dbm)
914 {
915 	int ret;
916 
917 	might_sleep();
918 
919 	ret = local->ops->get_rssi(&local->hw, &sdata->vif, sta, rssi_dbm);
920 	trace_drv_get_rssi(local, sta, *rssi_dbm, ret);
921 
922 	return ret;
923 }
924 
925 static inline void drv_mgd_prepare_tx(struct ieee80211_local *local,
926 				      struct ieee80211_sub_if_data *sdata)
927 {
928 	might_sleep();
929 
930 	check_sdata_in_driver(sdata);
931 	WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION);
932 
933 	trace_drv_mgd_prepare_tx(local, sdata);
934 	if (local->ops->mgd_prepare_tx)
935 		local->ops->mgd_prepare_tx(&local->hw, &sdata->vif);
936 	trace_drv_return_void(local);
937 }
938 
939 static inline int drv_add_chanctx(struct ieee80211_local *local,
940 				  struct ieee80211_chanctx *ctx)
941 {
942 	int ret = -EOPNOTSUPP;
943 
944 	trace_drv_add_chanctx(local, ctx);
945 	if (local->ops->add_chanctx)
946 		ret = local->ops->add_chanctx(&local->hw, &ctx->conf);
947 	trace_drv_return_int(local, ret);
948 	if (!ret)
949 		ctx->driver_present = true;
950 
951 	return ret;
952 }
953 
954 static inline void drv_remove_chanctx(struct ieee80211_local *local,
955 				      struct ieee80211_chanctx *ctx)
956 {
957 	trace_drv_remove_chanctx(local, ctx);
958 	if (local->ops->remove_chanctx)
959 		local->ops->remove_chanctx(&local->hw, &ctx->conf);
960 	trace_drv_return_void(local);
961 	ctx->driver_present = false;
962 }
963 
964 static inline void drv_change_chanctx(struct ieee80211_local *local,
965 				      struct ieee80211_chanctx *ctx,
966 				      u32 changed)
967 {
968 	trace_drv_change_chanctx(local, ctx, changed);
969 	if (local->ops->change_chanctx) {
970 		WARN_ON_ONCE(!ctx->driver_present);
971 		local->ops->change_chanctx(&local->hw, &ctx->conf, changed);
972 	}
973 	trace_drv_return_void(local);
974 }
975 
976 static inline int drv_assign_vif_chanctx(struct ieee80211_local *local,
977 					 struct ieee80211_sub_if_data *sdata,
978 					 struct ieee80211_chanctx *ctx)
979 {
980 	int ret = 0;
981 
982 	check_sdata_in_driver(sdata);
983 
984 	trace_drv_assign_vif_chanctx(local, sdata, ctx);
985 	if (local->ops->assign_vif_chanctx) {
986 		WARN_ON_ONCE(!ctx->driver_present);
987 		ret = local->ops->assign_vif_chanctx(&local->hw,
988 						     &sdata->vif,
989 						     &ctx->conf);
990 	}
991 	trace_drv_return_int(local, ret);
992 
993 	return ret;
994 }
995 
996 static inline void drv_unassign_vif_chanctx(struct ieee80211_local *local,
997 					    struct ieee80211_sub_if_data *sdata,
998 					    struct ieee80211_chanctx *ctx)
999 {
1000 	check_sdata_in_driver(sdata);
1001 
1002 	trace_drv_unassign_vif_chanctx(local, sdata, ctx);
1003 	if (local->ops->unassign_vif_chanctx) {
1004 		WARN_ON_ONCE(!ctx->driver_present);
1005 		local->ops->unassign_vif_chanctx(&local->hw,
1006 						 &sdata->vif,
1007 						 &ctx->conf);
1008 	}
1009 	trace_drv_return_void(local);
1010 }
1011 
1012 static inline int drv_start_ap(struct ieee80211_local *local,
1013 			       struct ieee80211_sub_if_data *sdata)
1014 {
1015 	int ret = 0;
1016 
1017 	check_sdata_in_driver(sdata);
1018 
1019 	trace_drv_start_ap(local, sdata, &sdata->vif.bss_conf);
1020 	if (local->ops->start_ap)
1021 		ret = local->ops->start_ap(&local->hw, &sdata->vif);
1022 	trace_drv_return_int(local, ret);
1023 	return ret;
1024 }
1025 
1026 static inline void drv_stop_ap(struct ieee80211_local *local,
1027 			       struct ieee80211_sub_if_data *sdata)
1028 {
1029 	check_sdata_in_driver(sdata);
1030 
1031 	trace_drv_stop_ap(local, sdata);
1032 	if (local->ops->stop_ap)
1033 		local->ops->stop_ap(&local->hw, &sdata->vif);
1034 	trace_drv_return_void(local);
1035 }
1036 
1037 static inline void drv_restart_complete(struct ieee80211_local *local)
1038 {
1039 	might_sleep();
1040 
1041 	trace_drv_restart_complete(local);
1042 	if (local->ops->restart_complete)
1043 		local->ops->restart_complete(&local->hw);
1044 	trace_drv_return_void(local);
1045 }
1046 
1047 static inline void
1048 drv_set_default_unicast_key(struct ieee80211_local *local,
1049 			    struct ieee80211_sub_if_data *sdata,
1050 			    int key_idx)
1051 {
1052 	check_sdata_in_driver(sdata);
1053 
1054 	WARN_ON_ONCE(key_idx < -1 || key_idx > 3);
1055 
1056 	trace_drv_set_default_unicast_key(local, sdata, key_idx);
1057 	if (local->ops->set_default_unicast_key)
1058 		local->ops->set_default_unicast_key(&local->hw, &sdata->vif,
1059 						    key_idx);
1060 	trace_drv_return_void(local);
1061 }
1062 
1063 #if IS_ENABLED(CONFIG_IPV6)
1064 static inline void drv_ipv6_addr_change(struct ieee80211_local *local,
1065 					struct ieee80211_sub_if_data *sdata,
1066 					struct inet6_dev *idev)
1067 {
1068 	trace_drv_ipv6_addr_change(local, sdata);
1069 	if (local->ops->ipv6_addr_change)
1070 		local->ops->ipv6_addr_change(&local->hw, &sdata->vif, idev);
1071 	trace_drv_return_void(local);
1072 }
1073 #endif
1074 
1075 static inline void
1076 drv_channel_switch_beacon(struct ieee80211_sub_if_data *sdata,
1077 			  struct cfg80211_chan_def *chandef)
1078 {
1079 	struct ieee80211_local *local = sdata->local;
1080 
1081 	if (local->ops->channel_switch_beacon) {
1082 		trace_drv_channel_switch_beacon(local, sdata, chandef);
1083 		local->ops->channel_switch_beacon(&local->hw, &sdata->vif,
1084 						  chandef);
1085 	}
1086 }
1087 
1088 static inline int drv_join_ibss(struct ieee80211_local *local,
1089 				struct ieee80211_sub_if_data *sdata)
1090 {
1091 	int ret = 0;
1092 
1093 	might_sleep();
1094 	check_sdata_in_driver(sdata);
1095 
1096 	trace_drv_join_ibss(local, sdata, &sdata->vif.bss_conf);
1097 	if (local->ops->join_ibss)
1098 		ret = local->ops->join_ibss(&local->hw, &sdata->vif);
1099 	trace_drv_return_int(local, ret);
1100 	return ret;
1101 }
1102 
1103 static inline void drv_leave_ibss(struct ieee80211_local *local,
1104 				  struct ieee80211_sub_if_data *sdata)
1105 {
1106 	might_sleep();
1107 	check_sdata_in_driver(sdata);
1108 
1109 	trace_drv_leave_ibss(local, sdata);
1110 	if (local->ops->leave_ibss)
1111 		local->ops->leave_ibss(&local->hw, &sdata->vif);
1112 	trace_drv_return_void(local);
1113 }
1114 
1115 #endif /* __MAC80211_DRIVER_OPS */
1116