xref: /openbmc/linux/net/mac80211/driver-ops.h (revision 9c1f8594) 
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, u16 queue,
417 			      const struct ieee80211_tx_queue_params *params)
418 {
419 	int ret = -EOPNOTSUPP;
420 
421 	might_sleep();
422 
423 	trace_drv_conf_tx(local, queue, params);
424 	if (local->ops->conf_tx)
425 		ret = local->ops->conf_tx(&local->hw, queue, params);
426 	trace_drv_return_int(local, ret);
427 	return ret;
428 }
429 
430 static inline u64 drv_get_tsf(struct ieee80211_local *local)
431 {
432 	u64 ret = -1ULL;
433 
434 	might_sleep();
435 
436 	trace_drv_get_tsf(local);
437 	if (local->ops->get_tsf)
438 		ret = local->ops->get_tsf(&local->hw);
439 	trace_drv_return_u64(local, ret);
440 	return ret;
441 }
442 
443 static inline void drv_set_tsf(struct ieee80211_local *local, u64 tsf)
444 {
445 	might_sleep();
446 
447 	trace_drv_set_tsf(local, tsf);
448 	if (local->ops->set_tsf)
449 		local->ops->set_tsf(&local->hw, tsf);
450 	trace_drv_return_void(local);
451 }
452 
453 static inline void drv_reset_tsf(struct ieee80211_local *local)
454 {
455 	might_sleep();
456 
457 	trace_drv_reset_tsf(local);
458 	if (local->ops->reset_tsf)
459 		local->ops->reset_tsf(&local->hw);
460 	trace_drv_return_void(local);
461 }
462 
463 static inline int drv_tx_last_beacon(struct ieee80211_local *local)
464 {
465 	int ret = 0; /* default unsuported op for less congestion */
466 
467 	might_sleep();
468 
469 	trace_drv_tx_last_beacon(local);
470 	if (local->ops->tx_last_beacon)
471 		ret = local->ops->tx_last_beacon(&local->hw);
472 	trace_drv_return_int(local, ret);
473 	return ret;
474 }
475 
476 static inline int drv_ampdu_action(struct ieee80211_local *local,
477 				   struct ieee80211_sub_if_data *sdata,
478 				   enum ieee80211_ampdu_mlme_action action,
479 				   struct ieee80211_sta *sta, u16 tid,
480 				   u16 *ssn, u8 buf_size)
481 {
482 	int ret = -EOPNOTSUPP;
483 
484 	might_sleep();
485 
486 	trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, buf_size);
487 
488 	if (local->ops->ampdu_action)
489 		ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
490 					       sta, tid, ssn, buf_size);
491 
492 	trace_drv_return_int(local, ret);
493 
494 	return ret;
495 }
496 
497 static inline int drv_get_survey(struct ieee80211_local *local, int idx,
498 				struct survey_info *survey)
499 {
500 	int ret = -EOPNOTSUPP;
501 
502 	trace_drv_get_survey(local, idx, survey);
503 
504 	if (local->ops->get_survey)
505 		ret = local->ops->get_survey(&local->hw, idx, survey);
506 
507 	trace_drv_return_int(local, ret);
508 
509 	return ret;
510 }
511 
512 static inline void drv_rfkill_poll(struct ieee80211_local *local)
513 {
514 	might_sleep();
515 
516 	if (local->ops->rfkill_poll)
517 		local->ops->rfkill_poll(&local->hw);
518 }
519 
520 static inline void drv_flush(struct ieee80211_local *local, bool drop)
521 {
522 	might_sleep();
523 
524 	trace_drv_flush(local, drop);
525 	if (local->ops->flush)
526 		local->ops->flush(&local->hw, drop);
527 	trace_drv_return_void(local);
528 }
529 
530 static inline void drv_channel_switch(struct ieee80211_local *local,
531 				     struct ieee80211_channel_switch *ch_switch)
532 {
533 	might_sleep();
534 
535 	trace_drv_channel_switch(local, ch_switch);
536 	local->ops->channel_switch(&local->hw, ch_switch);
537 	trace_drv_return_void(local);
538 }
539 
540 
541 static inline int drv_set_antenna(struct ieee80211_local *local,
542 				  u32 tx_ant, u32 rx_ant)
543 {
544 	int ret = -EOPNOTSUPP;
545 	might_sleep();
546 	if (local->ops->set_antenna)
547 		ret = local->ops->set_antenna(&local->hw, tx_ant, rx_ant);
548 	trace_drv_set_antenna(local, tx_ant, rx_ant, ret);
549 	return ret;
550 }
551 
552 static inline int drv_get_antenna(struct ieee80211_local *local,
553 				  u32 *tx_ant, u32 *rx_ant)
554 {
555 	int ret = -EOPNOTSUPP;
556 	might_sleep();
557 	if (local->ops->get_antenna)
558 		ret = local->ops->get_antenna(&local->hw, tx_ant, rx_ant);
559 	trace_drv_get_antenna(local, *tx_ant, *rx_ant, ret);
560 	return ret;
561 }
562 
563 static inline int drv_remain_on_channel(struct ieee80211_local *local,
564 					struct ieee80211_channel *chan,
565 					enum nl80211_channel_type chantype,
566 					unsigned int duration)
567 {
568 	int ret;
569 
570 	might_sleep();
571 
572 	trace_drv_remain_on_channel(local, chan, chantype, duration);
573 	ret = local->ops->remain_on_channel(&local->hw, chan, chantype,
574 					    duration);
575 	trace_drv_return_int(local, ret);
576 
577 	return ret;
578 }
579 
580 static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local)
581 {
582 	int ret;
583 
584 	might_sleep();
585 
586 	trace_drv_cancel_remain_on_channel(local);
587 	ret = local->ops->cancel_remain_on_channel(&local->hw);
588 	trace_drv_return_int(local, ret);
589 
590 	return ret;
591 }
592 
593 static inline int drv_offchannel_tx(struct ieee80211_local *local,
594 				    struct sk_buff *skb,
595 				    struct ieee80211_channel *chan,
596 				    enum nl80211_channel_type channel_type,
597 				    unsigned int wait)
598 {
599 	int ret;
600 
601 	might_sleep();
602 
603 	trace_drv_offchannel_tx(local, skb, chan, channel_type, wait);
604 	ret = local->ops->offchannel_tx(&local->hw, skb, chan,
605 					channel_type, wait);
606 	trace_drv_return_int(local, ret);
607 
608 	return ret;
609 }
610 
611 static inline int drv_offchannel_tx_cancel_wait(struct ieee80211_local *local)
612 {
613 	int ret;
614 
615 	might_sleep();
616 
617 	trace_drv_offchannel_tx_cancel_wait(local);
618 	ret = local->ops->offchannel_tx_cancel_wait(&local->hw);
619 	trace_drv_return_int(local, ret);
620 
621 	return ret;
622 }
623 
624 static inline int drv_set_ringparam(struct ieee80211_local *local,
625 				    u32 tx, u32 rx)
626 {
627 	int ret = -ENOTSUPP;
628 
629 	might_sleep();
630 
631 	trace_drv_set_ringparam(local, tx, rx);
632 	if (local->ops->set_ringparam)
633 		ret = local->ops->set_ringparam(&local->hw, tx, rx);
634 	trace_drv_return_int(local, ret);
635 
636 	return ret;
637 }
638 
639 static inline void drv_get_ringparam(struct ieee80211_local *local,
640 				     u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
641 {
642 	might_sleep();
643 
644 	trace_drv_get_ringparam(local, tx, tx_max, rx, rx_max);
645 	if (local->ops->get_ringparam)
646 		local->ops->get_ringparam(&local->hw, tx, tx_max, rx, rx_max);
647 	trace_drv_return_void(local);
648 }
649 
650 static inline bool drv_tx_frames_pending(struct ieee80211_local *local)
651 {
652 	bool ret = false;
653 
654 	might_sleep();
655 
656 	trace_drv_tx_frames_pending(local);
657 	if (local->ops->tx_frames_pending)
658 		ret = local->ops->tx_frames_pending(&local->hw);
659 	trace_drv_return_bool(local, ret);
660 
661 	return ret;
662 }
663 
664 static inline int drv_set_bitrate_mask(struct ieee80211_local *local,
665 				       struct ieee80211_sub_if_data *sdata,
666 				       const struct cfg80211_bitrate_mask *mask)
667 {
668 	int ret = -EOPNOTSUPP;
669 
670 	might_sleep();
671 
672 	trace_drv_set_bitrate_mask(local, sdata, mask);
673 	if (local->ops->set_bitrate_mask)
674 		ret = local->ops->set_bitrate_mask(&local->hw,
675 						   &sdata->vif, mask);
676 	trace_drv_return_int(local, ret);
677 
678 	return ret;
679 }
680 
681 static inline void drv_set_rekey_data(struct ieee80211_local *local,
682 				      struct ieee80211_sub_if_data *sdata,
683 				      struct cfg80211_gtk_rekey_data *data)
684 {
685 	trace_drv_set_rekey_data(local, sdata, data);
686 	if (local->ops->set_rekey_data)
687 		local->ops->set_rekey_data(&local->hw, &sdata->vif, data);
688 	trace_drv_return_void(local);
689 }
690 
691 static inline void drv_rssi_callback(struct ieee80211_local *local,
692 				     const enum ieee80211_rssi_event event)
693 {
694 	trace_drv_rssi_callback(local, event);
695 	if (local->ops->rssi_callback)
696 		local->ops->rssi_callback(&local->hw, event);
697 	trace_drv_return_void(local);
698 }
699 #endif /* __MAC80211_DRIVER_OPS */
700