xref: /openbmc/linux/net/mac80211/driver-ops.h (revision 3a9a231d) 
1 #ifndef __MAC80211_DRIVER_OPS
2 #define __MAC80211_DRIVER_OPS
3 
4 #include <net/mac80211.h>
5 #include "ieee80211_i.h"
6 #include "driver-trace.h"
7 
8 static inline void drv_tx(struct ieee80211_local *local, struct sk_buff *skb)
9 {
10 	local->ops->tx(&local->hw, skb);
11 }
12 
13 static inline int drv_start(struct ieee80211_local *local)
14 {
15 	int ret;
16 
17 	might_sleep();
18 
19 	trace_drv_start(local);
20 	local->started = true;
21 	smp_mb();
22 	ret = local->ops->start(&local->hw);
23 	trace_drv_return_int(local, ret);
24 	return ret;
25 }
26 
27 static inline void drv_stop(struct ieee80211_local *local)
28 {
29 	might_sleep();
30 
31 	trace_drv_stop(local);
32 	local->ops->stop(&local->hw);
33 	trace_drv_return_void(local);
34 
35 	/* sync away all work on the tasklet before clearing started */
36 	tasklet_disable(&local->tasklet);
37 	tasklet_enable(&local->tasklet);
38 
39 	barrier();
40 
41 	local->started = false;
42 }
43 
44 #ifdef CONFIG_PM
45 static inline int drv_suspend(struct ieee80211_local *local,
46 			      struct cfg80211_wowlan *wowlan)
47 {
48 	int ret;
49 
50 	might_sleep();
51 
52 	trace_drv_suspend(local);
53 	ret = local->ops->suspend(&local->hw, wowlan);
54 	trace_drv_return_int(local, ret);
55 	return ret;
56 }
57 
58 static inline int drv_resume(struct ieee80211_local *local)
59 {
60 	int ret;
61 
62 	might_sleep();
63 
64 	trace_drv_resume(local);
65 	ret = local->ops->resume(&local->hw);
66 	trace_drv_return_int(local, ret);
67 	return ret;
68 }
69 #endif
70 
71 static inline int drv_add_interface(struct ieee80211_local *local,
72 				    struct ieee80211_vif *vif)
73 {
74 	int ret;
75 
76 	might_sleep();
77 
78 	trace_drv_add_interface(local, vif_to_sdata(vif));
79 	ret = local->ops->add_interface(&local->hw, vif);
80 	trace_drv_return_int(local, ret);
81 	return ret;
82 }
83 
84 static inline int drv_change_interface(struct ieee80211_local *local,
85 				       struct ieee80211_sub_if_data *sdata,
86 				       enum nl80211_iftype type, bool p2p)
87 {
88 	int ret;
89 
90 	might_sleep();
91 
92 	trace_drv_change_interface(local, sdata, type, p2p);
93 	ret = local->ops->change_interface(&local->hw, &sdata->vif, type, p2p);
94 	trace_drv_return_int(local, ret);
95 	return ret;
96 }
97 
98 static inline void drv_remove_interface(struct ieee80211_local *local,
99 					struct ieee80211_vif *vif)
100 {
101 	might_sleep();
102 
103 	trace_drv_remove_interface(local, vif_to_sdata(vif));
104 	local->ops->remove_interface(&local->hw, vif);
105 	trace_drv_return_void(local);
106 }
107 
108 static inline int drv_config(struct ieee80211_local *local, u32 changed)
109 {
110 	int ret;
111 
112 	might_sleep();
113 
114 	trace_drv_config(local, changed);
115 	ret = local->ops->config(&local->hw, changed);
116 	trace_drv_return_int(local, ret);
117 	return ret;
118 }
119 
120 static inline void drv_bss_info_changed(struct ieee80211_local *local,
121 					struct ieee80211_sub_if_data *sdata,
122 					struct ieee80211_bss_conf *info,
123 					u32 changed)
124 {
125 	might_sleep();
126 
127 	trace_drv_bss_info_changed(local, sdata, info, changed);
128 	if (local->ops->bss_info_changed)
129 		local->ops->bss_info_changed(&local->hw, &sdata->vif, info, changed);
130 	trace_drv_return_void(local);
131 }
132 
133 static inline int drv_tx_sync(struct ieee80211_local *local,
134 			      struct ieee80211_sub_if_data *sdata,
135 			      const u8 *bssid,
136 			      enum ieee80211_tx_sync_type type)
137 {
138 	int ret = 0;
139 
140 	might_sleep();
141 
142 	trace_drv_tx_sync(local, sdata, bssid, type);
143 	if (local->ops->tx_sync)
144 		ret = local->ops->tx_sync(&local->hw, &sdata->vif,
145 					  bssid, type);
146 	trace_drv_return_int(local, ret);
147 	return ret;
148 }
149 
150 static inline void drv_finish_tx_sync(struct ieee80211_local *local,
151 				      struct ieee80211_sub_if_data *sdata,
152 				      const u8 *bssid,
153 				      enum ieee80211_tx_sync_type type)
154 {
155 	might_sleep();
156 
157 	trace_drv_finish_tx_sync(local, sdata, bssid, type);
158 	if (local->ops->finish_tx_sync)
159 		local->ops->finish_tx_sync(&local->hw, &sdata->vif,
160 					   bssid, type);
161 	trace_drv_return_void(local);
162 }
163 
164 static inline u64 drv_prepare_multicast(struct ieee80211_local *local,
165 					struct netdev_hw_addr_list *mc_list)
166 {
167 	u64 ret = 0;
168 
169 	trace_drv_prepare_multicast(local, mc_list->count);
170 
171 	if (local->ops->prepare_multicast)
172 		ret = local->ops->prepare_multicast(&local->hw, mc_list);
173 
174 	trace_drv_return_u64(local, ret);
175 
176 	return ret;
177 }
178 
179 static inline void drv_configure_filter(struct ieee80211_local *local,
180 					unsigned int changed_flags,
181 					unsigned int *total_flags,
182 					u64 multicast)
183 {
184 	might_sleep();
185 
186 	trace_drv_configure_filter(local, changed_flags, total_flags,
187 				   multicast);
188 	local->ops->configure_filter(&local->hw, changed_flags, total_flags,
189 				     multicast);
190 	trace_drv_return_void(local);
191 }
192 
193 static inline int drv_set_tim(struct ieee80211_local *local,
194 			      struct ieee80211_sta *sta, bool set)
195 {
196 	int ret = 0;
197 	trace_drv_set_tim(local, sta, set);
198 	if (local->ops->set_tim)
199 		ret = local->ops->set_tim(&local->hw, sta, set);
200 	trace_drv_return_int(local, ret);
201 	return ret;
202 }
203 
204 static inline int drv_set_key(struct ieee80211_local *local,
205 			      enum set_key_cmd cmd,
206 			      struct ieee80211_sub_if_data *sdata,
207 			      struct ieee80211_sta *sta,
208 			      struct ieee80211_key_conf *key)
209 {
210 	int ret;
211 
212 	might_sleep();
213 
214 	trace_drv_set_key(local, cmd, sdata, sta, key);
215 	ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key);
216 	trace_drv_return_int(local, ret);
217 	return ret;
218 }
219 
220 static inline void drv_update_tkip_key(struct ieee80211_local *local,
221 				       struct ieee80211_sub_if_data *sdata,
222 				       struct ieee80211_key_conf *conf,
223 				       struct sta_info *sta, u32 iv32,
224 				       u16 *phase1key)
225 {
226 	struct ieee80211_sta *ista = NULL;
227 
228 	if (sta)
229 		ista = &sta->sta;
230 
231 	trace_drv_update_tkip_key(local, sdata, conf, ista, iv32);
232 	if (local->ops->update_tkip_key)
233 		local->ops->update_tkip_key(&local->hw, &sdata->vif, conf,
234 					    ista, iv32, phase1key);
235 	trace_drv_return_void(local);
236 }
237 
238 static inline int drv_hw_scan(struct ieee80211_local *local,
239 			      struct ieee80211_sub_if_data *sdata,
240 			      struct cfg80211_scan_request *req)
241 {
242 	int ret;
243 
244 	might_sleep();
245 
246 	trace_drv_hw_scan(local, sdata);
247 	ret = local->ops->hw_scan(&local->hw, &sdata->vif, req);
248 	trace_drv_return_int(local, ret);
249 	return ret;
250 }
251 
252 static inline void drv_cancel_hw_scan(struct ieee80211_local *local,
253 				      struct ieee80211_sub_if_data *sdata)
254 {
255 	might_sleep();
256 
257 	trace_drv_cancel_hw_scan(local, sdata);
258 	local->ops->cancel_hw_scan(&local->hw, &sdata->vif);
259 	trace_drv_return_void(local);
260 }
261 
262 static inline int
263 drv_sched_scan_start(struct ieee80211_local *local,
264 		     struct ieee80211_sub_if_data *sdata,
265 		     struct cfg80211_sched_scan_request *req,
266 		     struct ieee80211_sched_scan_ies *ies)
267 {
268 	int ret;
269 
270 	might_sleep();
271 
272 	trace_drv_sched_scan_start(local, sdata);
273 	ret = local->ops->sched_scan_start(&local->hw, &sdata->vif,
274 					      req, ies);
275 	trace_drv_return_int(local, ret);
276 	return ret;
277 }
278 
279 static inline void drv_sched_scan_stop(struct ieee80211_local *local,
280 				       struct ieee80211_sub_if_data *sdata)
281 {
282 	might_sleep();
283 
284 	trace_drv_sched_scan_stop(local, sdata);
285 	local->ops->sched_scan_stop(&local->hw, &sdata->vif);
286 	trace_drv_return_void(local);
287 }
288 
289 static inline void drv_sw_scan_start(struct ieee80211_local *local)
290 {
291 	might_sleep();
292 
293 	trace_drv_sw_scan_start(local);
294 	if (local->ops->sw_scan_start)
295 		local->ops->sw_scan_start(&local->hw);
296 	trace_drv_return_void(local);
297 }
298 
299 static inline void drv_sw_scan_complete(struct ieee80211_local *local)
300 {
301 	might_sleep();
302 
303 	trace_drv_sw_scan_complete(local);
304 	if (local->ops->sw_scan_complete)
305 		local->ops->sw_scan_complete(&local->hw);
306 	trace_drv_return_void(local);
307 }
308 
309 static inline int drv_get_stats(struct ieee80211_local *local,
310 				struct ieee80211_low_level_stats *stats)
311 {
312 	int ret = -EOPNOTSUPP;
313 
314 	might_sleep();
315 
316 	if (local->ops->get_stats)
317 		ret = local->ops->get_stats(&local->hw, stats);
318 	trace_drv_get_stats(local, stats, ret);
319 
320 	return ret;
321 }
322 
323 static inline void drv_get_tkip_seq(struct ieee80211_local *local,
324 				    u8 hw_key_idx, u32 *iv32, u16 *iv16)
325 {
326 	if (local->ops->get_tkip_seq)
327 		local->ops->get_tkip_seq(&local->hw, hw_key_idx, iv32, iv16);
328 	trace_drv_get_tkip_seq(local, hw_key_idx, iv32, iv16);
329 }
330 
331 static inline int drv_set_frag_threshold(struct ieee80211_local *local,
332 					u32 value)
333 {
334 	int ret = 0;
335 
336 	might_sleep();
337 
338 	trace_drv_set_frag_threshold(local, value);
339 	if (local->ops->set_frag_threshold)
340 		ret = local->ops->set_frag_threshold(&local->hw, value);
341 	trace_drv_return_int(local, ret);
342 	return ret;
343 }
344 
345 static inline int drv_set_rts_threshold(struct ieee80211_local *local,
346 					u32 value)
347 {
348 	int ret = 0;
349 
350 	might_sleep();
351 
352 	trace_drv_set_rts_threshold(local, value);
353 	if (local->ops->set_rts_threshold)
354 		ret = local->ops->set_rts_threshold(&local->hw, value);
355 	trace_drv_return_int(local, ret);
356 	return ret;
357 }
358 
359 static inline int drv_set_coverage_class(struct ieee80211_local *local,
360 					 u8 value)
361 {
362 	int ret = 0;
363 	might_sleep();
364 
365 	trace_drv_set_coverage_class(local, value);
366 	if (local->ops->set_coverage_class)
367 		local->ops->set_coverage_class(&local->hw, value);
368 	else
369 		ret = -EOPNOTSUPP;
370 
371 	trace_drv_return_int(local, ret);
372 	return ret;
373 }
374 
375 static inline void drv_sta_notify(struct ieee80211_local *local,
376 				  struct ieee80211_sub_if_data *sdata,
377 				  enum sta_notify_cmd cmd,
378 				  struct ieee80211_sta *sta)
379 {
380 	trace_drv_sta_notify(local, sdata, cmd, sta);
381 	if (local->ops->sta_notify)
382 		local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta);
383 	trace_drv_return_void(local);
384 }
385 
386 static inline int drv_sta_add(struct ieee80211_local *local,
387 			      struct ieee80211_sub_if_data *sdata,
388 			      struct ieee80211_sta *sta)
389 {
390 	int ret = 0;
391 
392 	might_sleep();
393 
394 	trace_drv_sta_add(local, sdata, sta);
395 	if (local->ops->sta_add)
396 		ret = local->ops->sta_add(&local->hw, &sdata->vif, sta);
397 
398 	trace_drv_return_int(local, ret);
399 
400 	return ret;
401 }
402 
403 static inline void drv_sta_remove(struct ieee80211_local *local,
404 				  struct ieee80211_sub_if_data *sdata,
405 				  struct ieee80211_sta *sta)
406 {
407 	might_sleep();
408 
409 	trace_drv_sta_remove(local, sdata, sta);
410 	if (local->ops->sta_remove)
411 		local->ops->sta_remove(&local->hw, &sdata->vif, sta);
412 
413 	trace_drv_return_void(local);
414 }
415 
416 static inline int drv_conf_tx(struct ieee80211_local *local,
417 			      struct ieee80211_sub_if_data *sdata, u16 queue,
418 			      const struct ieee80211_tx_queue_params *params)
419 {
420 	int ret = -EOPNOTSUPP;
421 
422 	might_sleep();
423 
424 	trace_drv_conf_tx(local, sdata, queue, params);
425 	if (local->ops->conf_tx)
426 		ret = local->ops->conf_tx(&local->hw, &sdata->vif,
427 					  queue, params);
428 	trace_drv_return_int(local, ret);
429 	return ret;
430 }
431 
432 static inline u64 drv_get_tsf(struct ieee80211_local *local,
433 			      struct ieee80211_sub_if_data *sdata)
434 {
435 	u64 ret = -1ULL;
436 
437 	might_sleep();
438 
439 	trace_drv_get_tsf(local, sdata);
440 	if (local->ops->get_tsf)
441 		ret = local->ops->get_tsf(&local->hw, &sdata->vif);
442 	trace_drv_return_u64(local, ret);
443 	return ret;
444 }
445 
446 static inline void drv_set_tsf(struct ieee80211_local *local,
447 			       struct ieee80211_sub_if_data *sdata,
448 			       u64 tsf)
449 {
450 	might_sleep();
451 
452 	trace_drv_set_tsf(local, sdata, tsf);
453 	if (local->ops->set_tsf)
454 		local->ops->set_tsf(&local->hw, &sdata->vif, tsf);
455 	trace_drv_return_void(local);
456 }
457 
458 static inline void drv_reset_tsf(struct ieee80211_local *local,
459 				 struct ieee80211_sub_if_data *sdata)
460 {
461 	might_sleep();
462 
463 	trace_drv_reset_tsf(local, sdata);
464 	if (local->ops->reset_tsf)
465 		local->ops->reset_tsf(&local->hw, &sdata->vif);
466 	trace_drv_return_void(local);
467 }
468 
469 static inline int drv_tx_last_beacon(struct ieee80211_local *local)
470 {
471 	int ret = 0; /* default unsuported op for less congestion */
472 
473 	might_sleep();
474 
475 	trace_drv_tx_last_beacon(local);
476 	if (local->ops->tx_last_beacon)
477 		ret = local->ops->tx_last_beacon(&local->hw);
478 	trace_drv_return_int(local, ret);
479 	return ret;
480 }
481 
482 static inline int drv_ampdu_action(struct ieee80211_local *local,
483 				   struct ieee80211_sub_if_data *sdata,
484 				   enum ieee80211_ampdu_mlme_action action,
485 				   struct ieee80211_sta *sta, u16 tid,
486 				   u16 *ssn, u8 buf_size)
487 {
488 	int ret = -EOPNOTSUPP;
489 
490 	might_sleep();
491 
492 	trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, buf_size);
493 
494 	if (local->ops->ampdu_action)
495 		ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
496 					       sta, tid, ssn, buf_size);
497 
498 	trace_drv_return_int(local, ret);
499 
500 	return ret;
501 }
502 
503 static inline int drv_get_survey(struct ieee80211_local *local, int idx,
504 				struct survey_info *survey)
505 {
506 	int ret = -EOPNOTSUPP;
507 
508 	trace_drv_get_survey(local, idx, survey);
509 
510 	if (local->ops->get_survey)
511 		ret = local->ops->get_survey(&local->hw, idx, survey);
512 
513 	trace_drv_return_int(local, ret);
514 
515 	return ret;
516 }
517 
518 static inline void drv_rfkill_poll(struct ieee80211_local *local)
519 {
520 	might_sleep();
521 
522 	if (local->ops->rfkill_poll)
523 		local->ops->rfkill_poll(&local->hw);
524 }
525 
526 static inline void drv_flush(struct ieee80211_local *local, bool drop)
527 {
528 	might_sleep();
529 
530 	trace_drv_flush(local, drop);
531 	if (local->ops->flush)
532 		local->ops->flush(&local->hw, drop);
533 	trace_drv_return_void(local);
534 }
535 
536 static inline void drv_channel_switch(struct ieee80211_local *local,
537 				     struct ieee80211_channel_switch *ch_switch)
538 {
539 	might_sleep();
540 
541 	trace_drv_channel_switch(local, ch_switch);
542 	local->ops->channel_switch(&local->hw, ch_switch);
543 	trace_drv_return_void(local);
544 }
545 
546 
547 static inline int drv_set_antenna(struct ieee80211_local *local,
548 				  u32 tx_ant, u32 rx_ant)
549 {
550 	int ret = -EOPNOTSUPP;
551 	might_sleep();
552 	if (local->ops->set_antenna)
553 		ret = local->ops->set_antenna(&local->hw, tx_ant, rx_ant);
554 	trace_drv_set_antenna(local, tx_ant, rx_ant, ret);
555 	return ret;
556 }
557 
558 static inline int drv_get_antenna(struct ieee80211_local *local,
559 				  u32 *tx_ant, u32 *rx_ant)
560 {
561 	int ret = -EOPNOTSUPP;
562 	might_sleep();
563 	if (local->ops->get_antenna)
564 		ret = local->ops->get_antenna(&local->hw, tx_ant, rx_ant);
565 	trace_drv_get_antenna(local, *tx_ant, *rx_ant, ret);
566 	return ret;
567 }
568 
569 static inline int drv_remain_on_channel(struct ieee80211_local *local,
570 					struct ieee80211_channel *chan,
571 					enum nl80211_channel_type chantype,
572 					unsigned int duration)
573 {
574 	int ret;
575 
576 	might_sleep();
577 
578 	trace_drv_remain_on_channel(local, chan, chantype, duration);
579 	ret = local->ops->remain_on_channel(&local->hw, chan, chantype,
580 					    duration);
581 	trace_drv_return_int(local, ret);
582 
583 	return ret;
584 }
585 
586 static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local)
587 {
588 	int ret;
589 
590 	might_sleep();
591 
592 	trace_drv_cancel_remain_on_channel(local);
593 	ret = local->ops->cancel_remain_on_channel(&local->hw);
594 	trace_drv_return_int(local, ret);
595 
596 	return ret;
597 }
598 
599 static inline int drv_set_ringparam(struct ieee80211_local *local,
600 				    u32 tx, u32 rx)
601 {
602 	int ret = -ENOTSUPP;
603 
604 	might_sleep();
605 
606 	trace_drv_set_ringparam(local, tx, rx);
607 	if (local->ops->set_ringparam)
608 		ret = local->ops->set_ringparam(&local->hw, tx, rx);
609 	trace_drv_return_int(local, ret);
610 
611 	return ret;
612 }
613 
614 static inline void drv_get_ringparam(struct ieee80211_local *local,
615 				     u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
616 {
617 	might_sleep();
618 
619 	trace_drv_get_ringparam(local, tx, tx_max, rx, rx_max);
620 	if (local->ops->get_ringparam)
621 		local->ops->get_ringparam(&local->hw, tx, tx_max, rx, rx_max);
622 	trace_drv_return_void(local);
623 }
624 
625 static inline bool drv_tx_frames_pending(struct ieee80211_local *local)
626 {
627 	bool ret = false;
628 
629 	might_sleep();
630 
631 	trace_drv_tx_frames_pending(local);
632 	if (local->ops->tx_frames_pending)
633 		ret = local->ops->tx_frames_pending(&local->hw);
634 	trace_drv_return_bool(local, ret);
635 
636 	return ret;
637 }
638 
639 static inline int drv_set_bitrate_mask(struct ieee80211_local *local,
640 				       struct ieee80211_sub_if_data *sdata,
641 				       const struct cfg80211_bitrate_mask *mask)
642 {
643 	int ret = -EOPNOTSUPP;
644 
645 	might_sleep();
646 
647 	trace_drv_set_bitrate_mask(local, sdata, mask);
648 	if (local->ops->set_bitrate_mask)
649 		ret = local->ops->set_bitrate_mask(&local->hw,
650 						   &sdata->vif, mask);
651 	trace_drv_return_int(local, ret);
652 
653 	return ret;
654 }
655 
656 static inline void drv_set_rekey_data(struct ieee80211_local *local,
657 				      struct ieee80211_sub_if_data *sdata,
658 				      struct cfg80211_gtk_rekey_data *data)
659 {
660 	trace_drv_set_rekey_data(local, sdata, data);
661 	if (local->ops->set_rekey_data)
662 		local->ops->set_rekey_data(&local->hw, &sdata->vif, data);
663 	trace_drv_return_void(local);
664 }
665 
666 static inline void drv_rssi_callback(struct ieee80211_local *local,
667 				     const enum ieee80211_rssi_event event)
668 {
669 	trace_drv_rssi_callback(local, event);
670 	if (local->ops->rssi_callback)
671 		local->ops->rssi_callback(&local->hw, event);
672 	trace_drv_return_void(local);
673 }
674 
675 static inline void
676 drv_release_buffered_frames(struct ieee80211_local *local,
677 			    struct sta_info *sta, u16 tids, int num_frames,
678 			    enum ieee80211_frame_release_type reason,
679 			    bool more_data)
680 {
681 	trace_drv_release_buffered_frames(local, &sta->sta, tids, num_frames,
682 					  reason, more_data);
683 	if (local->ops->release_buffered_frames)
684 		local->ops->release_buffered_frames(&local->hw, &sta->sta, tids,
685 						    num_frames, reason,
686 						    more_data);
687 	trace_drv_return_void(local);
688 }
689 
690 static inline void
691 drv_allow_buffered_frames(struct ieee80211_local *local,
692 			  struct sta_info *sta, u16 tids, int num_frames,
693 			  enum ieee80211_frame_release_type reason,
694 			  bool more_data)
695 {
696 	trace_drv_allow_buffered_frames(local, &sta->sta, tids, num_frames,
697 					reason, more_data);
698 	if (local->ops->allow_buffered_frames)
699 		local->ops->allow_buffered_frames(&local->hw, &sta->sta,
700 						  tids, num_frames, reason,
701 						  more_data);
702 	trace_drv_return_void(local);
703 }
704 #endif /* __MAC80211_DRIVER_OPS */
705