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TOMOYO Linux Cross Reference
Linux/net/mac80211/driver-ops.h

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  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                 return -EINVAL;
151 
152         trace_drv_add_interface(local, sdata);
153         ret = local->ops->add_interface(&local->hw, &sdata->vif);
154         trace_drv_return_int(local, ret);
155 
156         if (ret == 0)
157                 sdata->flags |= IEEE80211_SDATA_IN_DRIVER;
158 
159         return ret;
160 }
161 
162 static inline int drv_change_interface(struct ieee80211_local *local,
163                                        struct ieee80211_sub_if_data *sdata,
164                                        enum nl80211_iftype type, bool p2p)
165 {
166         int ret;
167 
168         might_sleep();
169 
170         check_sdata_in_driver(sdata);
171 
172         trace_drv_change_interface(local, sdata, type, p2p);
173         ret = local->ops->change_interface(&local->hw, &sdata->vif, type, p2p);
174         trace_drv_return_int(local, ret);
175         return ret;
176 }
177 
178 static inline void drv_remove_interface(struct ieee80211_local *local,
179                                         struct ieee80211_sub_if_data *sdata)
180 {
181         might_sleep();
182 
183         check_sdata_in_driver(sdata);
184 
185         trace_drv_remove_interface(local, sdata);
186         local->ops->remove_interface(&local->hw, &sdata->vif);
187         sdata->flags &= ~IEEE80211_SDATA_IN_DRIVER;
188         trace_drv_return_void(local);
189 }
190 
191 static inline int drv_config(struct ieee80211_local *local, u32 changed)
192 {
193         int ret;
194 
195         might_sleep();
196 
197         trace_drv_config(local, changed);
198         ret = local->ops->config(&local->hw, changed);
199         trace_drv_return_int(local, ret);
200         return ret;
201 }
202 
203 static inline void drv_bss_info_changed(struct ieee80211_local *local,
204                                         struct ieee80211_sub_if_data *sdata,
205                                         struct ieee80211_bss_conf *info,
206                                         u32 changed)
207 {
208         might_sleep();
209 
210         if (WARN_ON_ONCE(changed & (BSS_CHANGED_BEACON |
211                                     BSS_CHANGED_BEACON_ENABLED) &&
212                          sdata->vif.type != NL80211_IFTYPE_AP &&
213                          sdata->vif.type != NL80211_IFTYPE_ADHOC &&
214                          sdata->vif.type != NL80211_IFTYPE_MESH_POINT))
215                 return;
216 
217         if (WARN_ON_ONCE(sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE ||
218                          sdata->vif.type == NL80211_IFTYPE_MONITOR))
219                 return;
220 
221         check_sdata_in_driver(sdata);
222 
223         trace_drv_bss_info_changed(local, sdata, info, changed);
224         if (local->ops->bss_info_changed)
225                 local->ops->bss_info_changed(&local->hw, &sdata->vif, info, changed);
226         trace_drv_return_void(local);
227 }
228 
229 static inline u64 drv_prepare_multicast(struct ieee80211_local *local,
230                                         struct netdev_hw_addr_list *mc_list)
231 {
232         u64 ret = 0;
233 
234         trace_drv_prepare_multicast(local, mc_list->count);
235 
236         if (local->ops->prepare_multicast)
237                 ret = local->ops->prepare_multicast(&local->hw, mc_list);
238 
239         trace_drv_return_u64(local, ret);
240 
241         return ret;
242 }
243 
244 static inline void drv_set_multicast_list(struct ieee80211_local *local,
245                                           struct ieee80211_sub_if_data *sdata,
246                                           struct netdev_hw_addr_list *mc_list)
247 {
248         bool allmulti = sdata->flags & IEEE80211_SDATA_ALLMULTI;
249 
250         trace_drv_set_multicast_list(local, sdata, mc_list->count);
251 
252         check_sdata_in_driver(sdata);
253 
254         if (local->ops->set_multicast_list)
255                 local->ops->set_multicast_list(&local->hw, &sdata->vif,
256                                                allmulti, mc_list);
257         trace_drv_return_void(local);
258 }
259 
260 static inline void drv_configure_filter(struct ieee80211_local *local,
261                                         unsigned int changed_flags,
262                                         unsigned int *total_flags,
263                                         u64 multicast)
264 {
265         might_sleep();
266 
267         trace_drv_configure_filter(local, changed_flags, total_flags,
268                                    multicast);
269         local->ops->configure_filter(&local->hw, changed_flags, total_flags,
270                                      multicast);
271         trace_drv_return_void(local);
272 }
273 
274 static inline int drv_set_tim(struct ieee80211_local *local,
275                               struct ieee80211_sta *sta, bool set)
276 {
277         int ret = 0;
278         trace_drv_set_tim(local, sta, set);
279         if (local->ops->set_tim)
280                 ret = local->ops->set_tim(&local->hw, sta, set);
281         trace_drv_return_int(local, ret);
282         return ret;
283 }
284 
285 static inline int drv_set_key(struct ieee80211_local *local,
286                               enum set_key_cmd cmd,
287                               struct ieee80211_sub_if_data *sdata,
288                               struct ieee80211_sta *sta,
289                               struct ieee80211_key_conf *key)
290 {
291         int ret;
292 
293         might_sleep();
294 
295         sdata = get_bss_sdata(sdata);
296         check_sdata_in_driver(sdata);
297 
298         trace_drv_set_key(local, cmd, sdata, sta, key);
299         ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key);
300         trace_drv_return_int(local, ret);
301         return ret;
302 }
303 
304 static inline void drv_update_tkip_key(struct ieee80211_local *local,
305                                        struct ieee80211_sub_if_data *sdata,
306                                        struct ieee80211_key_conf *conf,
307                                        struct sta_info *sta, u32 iv32,
308                                        u16 *phase1key)
309 {
310         struct ieee80211_sta *ista = NULL;
311 
312         if (sta)
313                 ista = &sta->sta;
314 
315         sdata = get_bss_sdata(sdata);
316         check_sdata_in_driver(sdata);
317 
318         trace_drv_update_tkip_key(local, sdata, conf, ista, iv32);
319         if (local->ops->update_tkip_key)
320                 local->ops->update_tkip_key(&local->hw, &sdata->vif, conf,
321                                             ista, iv32, phase1key);
322         trace_drv_return_void(local);
323 }
324 
325 static inline int drv_hw_scan(struct ieee80211_local *local,
326                               struct ieee80211_sub_if_data *sdata,
327                               struct cfg80211_scan_request *req)
328 {
329         int ret;
330 
331         might_sleep();
332 
333         check_sdata_in_driver(sdata);
334 
335         trace_drv_hw_scan(local, sdata);
336         ret = local->ops->hw_scan(&local->hw, &sdata->vif, req);
337         trace_drv_return_int(local, ret);
338         return ret;
339 }
340 
341 static inline void drv_cancel_hw_scan(struct ieee80211_local *local,
342                                       struct ieee80211_sub_if_data *sdata)
343 {
344         might_sleep();
345 
346         check_sdata_in_driver(sdata);
347 
348         trace_drv_cancel_hw_scan(local, sdata);
349         local->ops->cancel_hw_scan(&local->hw, &sdata->vif);
350         trace_drv_return_void(local);
351 }
352 
353 static inline int
354 drv_sched_scan_start(struct ieee80211_local *local,
355                      struct ieee80211_sub_if_data *sdata,
356                      struct cfg80211_sched_scan_request *req,
357                      struct ieee80211_sched_scan_ies *ies)
358 {
359         int ret;
360 
361         might_sleep();
362 
363         check_sdata_in_driver(sdata);
364 
365         trace_drv_sched_scan_start(local, sdata);
366         ret = local->ops->sched_scan_start(&local->hw, &sdata->vif,
367                                               req, ies);
368         trace_drv_return_int(local, ret);
369         return ret;
370 }
371 
372 static inline void drv_sched_scan_stop(struct ieee80211_local *local,
373                                        struct ieee80211_sub_if_data *sdata)
374 {
375         might_sleep();
376 
377         check_sdata_in_driver(sdata);
378 
379         trace_drv_sched_scan_stop(local, sdata);
380         local->ops->sched_scan_stop(&local->hw, &sdata->vif);
381         trace_drv_return_void(local);
382 }
383 
384 static inline void drv_sw_scan_start(struct ieee80211_local *local)
385 {
386         might_sleep();
387 
388         trace_drv_sw_scan_start(local);
389         if (local->ops->sw_scan_start)
390                 local->ops->sw_scan_start(&local->hw);
391         trace_drv_return_void(local);
392 }
393 
394 static inline void drv_sw_scan_complete(struct ieee80211_local *local)
395 {
396         might_sleep();
397 
398         trace_drv_sw_scan_complete(local);
399         if (local->ops->sw_scan_complete)
400                 local->ops->sw_scan_complete(&local->hw);
401         trace_drv_return_void(local);
402 }
403 
404 static inline int drv_get_stats(struct ieee80211_local *local,
405                                 struct ieee80211_low_level_stats *stats)
406 {
407         int ret = -EOPNOTSUPP;
408 
409         might_sleep();
410 
411         if (local->ops->get_stats)
412                 ret = local->ops->get_stats(&local->hw, stats);
413         trace_drv_get_stats(local, stats, ret);
414 
415         return ret;
416 }
417 
418 static inline void drv_get_tkip_seq(struct ieee80211_local *local,
419                                     u8 hw_key_idx, u32 *iv32, u16 *iv16)
420 {
421         if (local->ops->get_tkip_seq)
422                 local->ops->get_tkip_seq(&local->hw, hw_key_idx, iv32, iv16);
423         trace_drv_get_tkip_seq(local, hw_key_idx, iv32, iv16);
424 }
425 
426 static inline int drv_set_frag_threshold(struct ieee80211_local *local,
427                                         u32 value)
428 {
429         int ret = 0;
430 
431         might_sleep();
432 
433         trace_drv_set_frag_threshold(local, value);
434         if (local->ops->set_frag_threshold)
435                 ret = local->ops->set_frag_threshold(&local->hw, value);
436         trace_drv_return_int(local, ret);
437         return ret;
438 }
439 
440 static inline int drv_set_rts_threshold(struct ieee80211_local *local,
441                                         u32 value)
442 {
443         int ret = 0;
444 
445         might_sleep();
446 
447         trace_drv_set_rts_threshold(local, value);
448         if (local->ops->set_rts_threshold)
449                 ret = local->ops->set_rts_threshold(&local->hw, value);
450         trace_drv_return_int(local, ret);
451         return ret;
452 }
453 
454 static inline int drv_set_coverage_class(struct ieee80211_local *local,
455                                          u8 value)
456 {
457         int ret = 0;
458         might_sleep();
459 
460         trace_drv_set_coverage_class(local, value);
461         if (local->ops->set_coverage_class)
462                 local->ops->set_coverage_class(&local->hw, value);
463         else
464                 ret = -EOPNOTSUPP;
465 
466         trace_drv_return_int(local, ret);
467         return ret;
468 }
469 
470 static inline void drv_sta_notify(struct ieee80211_local *local,
471                                   struct ieee80211_sub_if_data *sdata,
472                                   enum sta_notify_cmd cmd,
473                                   struct ieee80211_sta *sta)
474 {
475         sdata = get_bss_sdata(sdata);
476         check_sdata_in_driver(sdata);
477 
478         trace_drv_sta_notify(local, sdata, cmd, sta);
479         if (local->ops->sta_notify)
480                 local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta);
481         trace_drv_return_void(local);
482 }
483 
484 static inline int drv_sta_add(struct ieee80211_local *local,
485                               struct ieee80211_sub_if_data *sdata,
486                               struct ieee80211_sta *sta)
487 {
488         int ret = 0;
489 
490         might_sleep();
491 
492         sdata = get_bss_sdata(sdata);
493         check_sdata_in_driver(sdata);
494 
495         trace_drv_sta_add(local, sdata, sta);
496         if (local->ops->sta_add)
497                 ret = local->ops->sta_add(&local->hw, &sdata->vif, sta);
498 
499         trace_drv_return_int(local, ret);
500 
501         return ret;
502 }
503 
504 static inline void drv_sta_remove(struct ieee80211_local *local,
505                                   struct ieee80211_sub_if_data *sdata,
506                                   struct ieee80211_sta *sta)
507 {
508         might_sleep();
509 
510         sdata = get_bss_sdata(sdata);
511         check_sdata_in_driver(sdata);
512 
513         trace_drv_sta_remove(local, sdata, sta);
514         if (local->ops->sta_remove)
515                 local->ops->sta_remove(&local->hw, &sdata->vif, sta);
516 
517         trace_drv_return_void(local);
518 }
519 
520 #ifdef CONFIG_MAC80211_DEBUGFS
521 static inline void drv_sta_add_debugfs(struct ieee80211_local *local,
522                                        struct ieee80211_sub_if_data *sdata,
523                                        struct ieee80211_sta *sta,
524                                        struct dentry *dir)
525 {
526         might_sleep();
527 
528         sdata = get_bss_sdata(sdata);
529         check_sdata_in_driver(sdata);
530 
531         if (local->ops->sta_add_debugfs)
532                 local->ops->sta_add_debugfs(&local->hw, &sdata->vif,
533                                             sta, dir);
534 }
535 
536 static inline void drv_sta_remove_debugfs(struct ieee80211_local *local,
537                                           struct ieee80211_sub_if_data *sdata,
538                                           struct ieee80211_sta *sta,
539                                           struct dentry *dir)
540 {
541         might_sleep();
542 
543         sdata = get_bss_sdata(sdata);
544         check_sdata_in_driver(sdata);
545 
546         if (local->ops->sta_remove_debugfs)
547                 local->ops->sta_remove_debugfs(&local->hw, &sdata->vif,
548                                                sta, dir);
549 }
550 #endif
551 
552 static inline __must_check
553 int drv_sta_state(struct ieee80211_local *local,
554                   struct ieee80211_sub_if_data *sdata,
555                   struct sta_info *sta,
556                   enum ieee80211_sta_state old_state,
557                   enum ieee80211_sta_state new_state)
558 {
559         int ret = 0;
560 
561         might_sleep();
562 
563         sdata = get_bss_sdata(sdata);
564         check_sdata_in_driver(sdata);
565 
566         trace_drv_sta_state(local, sdata, &sta->sta, old_state, new_state);
567         if (local->ops->sta_state) {
568                 ret = local->ops->sta_state(&local->hw, &sdata->vif, &sta->sta,
569                                             old_state, new_state);
570         } else if (old_state == IEEE80211_STA_AUTH &&
571                    new_state == IEEE80211_STA_ASSOC) {
572                 ret = drv_sta_add(local, sdata, &sta->sta);
573                 if (ret == 0)
574                         sta->uploaded = true;
575         } else if (old_state == IEEE80211_STA_ASSOC &&
576                    new_state == IEEE80211_STA_AUTH) {
577                 drv_sta_remove(local, sdata, &sta->sta);
578         }
579         trace_drv_return_int(local, ret);
580         return ret;
581 }
582 
583 static inline void drv_sta_rc_update(struct ieee80211_local *local,
584                                      struct ieee80211_sub_if_data *sdata,
585                                      struct ieee80211_sta *sta, u32 changed)
586 {
587         sdata = get_bss_sdata(sdata);
588         check_sdata_in_driver(sdata);
589 
590         WARN_ON(changed & IEEE80211_RC_SUPP_RATES_CHANGED &&
591                 (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
592                  sdata->vif.type != NL80211_IFTYPE_MESH_POINT));
593 
594         trace_drv_sta_rc_update(local, sdata, sta, changed);
595         if (local->ops->sta_rc_update)
596                 local->ops->sta_rc_update(&local->hw, &sdata->vif,
597                                           sta, changed);
598 
599         trace_drv_return_void(local);
600 }
601 
602 static inline int drv_conf_tx(struct ieee80211_local *local,
603                               struct ieee80211_sub_if_data *sdata, u16 ac,
604                               const struct ieee80211_tx_queue_params *params)
605 {
606         int ret = -EOPNOTSUPP;
607 
608         might_sleep();
609 
610         check_sdata_in_driver(sdata);
611 
612         trace_drv_conf_tx(local, sdata, ac, params);
613         if (local->ops->conf_tx)
614                 ret = local->ops->conf_tx(&local->hw, &sdata->vif,
615                                           ac, params);
616         trace_drv_return_int(local, ret);
617         return ret;
618 }
619 
620 static inline u64 drv_get_tsf(struct ieee80211_local *local,
621                               struct ieee80211_sub_if_data *sdata)
622 {
623         u64 ret = -1ULL;
624 
625         might_sleep();
626 
627         check_sdata_in_driver(sdata);
628 
629         trace_drv_get_tsf(local, sdata);
630         if (local->ops->get_tsf)
631                 ret = local->ops->get_tsf(&local->hw, &sdata->vif);
632         trace_drv_return_u64(local, ret);
633         return ret;
634 }
635 
636 static inline void drv_set_tsf(struct ieee80211_local *local,
637                                struct ieee80211_sub_if_data *sdata,
638                                u64 tsf)
639 {
640         might_sleep();
641 
642         check_sdata_in_driver(sdata);
643 
644         trace_drv_set_tsf(local, sdata, tsf);
645         if (local->ops->set_tsf)
646                 local->ops->set_tsf(&local->hw, &sdata->vif, tsf);
647         trace_drv_return_void(local);
648 }
649 
650 static inline void drv_reset_tsf(struct ieee80211_local *local,
651                                  struct ieee80211_sub_if_data *sdata)
652 {
653         might_sleep();
654 
655         check_sdata_in_driver(sdata);
656 
657         trace_drv_reset_tsf(local, sdata);
658         if (local->ops->reset_tsf)
659                 local->ops->reset_tsf(&local->hw, &sdata->vif);
660         trace_drv_return_void(local);
661 }
662 
663 static inline int drv_tx_last_beacon(struct ieee80211_local *local)
664 {
665         int ret = 0; /* default unsupported op for less congestion */
666 
667         might_sleep();
668 
669         trace_drv_tx_last_beacon(local);
670         if (local->ops->tx_last_beacon)
671                 ret = local->ops->tx_last_beacon(&local->hw);
672         trace_drv_return_int(local, ret);
673         return ret;
674 }
675 
676 static inline int drv_ampdu_action(struct ieee80211_local *local,
677                                    struct ieee80211_sub_if_data *sdata,
678                                    enum ieee80211_ampdu_mlme_action action,
679                                    struct ieee80211_sta *sta, u16 tid,
680                                    u16 *ssn, u8 buf_size)
681 {
682         int ret = -EOPNOTSUPP;
683 
684         might_sleep();
685 
686         sdata = get_bss_sdata(sdata);
687         check_sdata_in_driver(sdata);
688 
689         trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, buf_size);
690 
691         if (local->ops->ampdu_action)
692                 ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
693                                                sta, tid, ssn, buf_size);
694 
695         trace_drv_return_int(local, ret);
696 
697         return ret;
698 }
699 
700 static inline int drv_get_survey(struct ieee80211_local *local, int idx,
701                                 struct survey_info *survey)
702 {
703         int ret = -EOPNOTSUPP;
704 
705         trace_drv_get_survey(local, idx, survey);
706 
707         if (local->ops->get_survey)
708                 ret = local->ops->get_survey(&local->hw, idx, survey);
709 
710         trace_drv_return_int(local, ret);
711 
712         return ret;
713 }
714 
715 static inline void drv_rfkill_poll(struct ieee80211_local *local)
716 {
717         might_sleep();
718 
719         if (local->ops->rfkill_poll)
720                 local->ops->rfkill_poll(&local->hw);
721 }
722 
723 static inline void drv_flush(struct ieee80211_local *local,
724                              u32 queues, bool drop)
725 {
726         might_sleep();
727 
728         trace_drv_flush(local, queues, drop);
729         if (local->ops->flush)
730                 local->ops->flush(&local->hw, queues, drop);
731         trace_drv_return_void(local);
732 }
733 
734 static inline void drv_channel_switch(struct ieee80211_local *local,
735                                      struct ieee80211_channel_switch *ch_switch)
736 {
737         might_sleep();
738 
739         trace_drv_channel_switch(local, ch_switch);
740         local->ops->channel_switch(&local->hw, ch_switch);
741         trace_drv_return_void(local);
742 }
743 
744 
745 static inline int drv_set_antenna(struct ieee80211_local *local,
746                                   u32 tx_ant, u32 rx_ant)
747 {
748         int ret = -EOPNOTSUPP;
749         might_sleep();
750         if (local->ops->set_antenna)
751                 ret = local->ops->set_antenna(&local->hw, tx_ant, rx_ant);
752         trace_drv_set_antenna(local, tx_ant, rx_ant, ret);
753         return ret;
754 }
755 
756 static inline int drv_get_antenna(struct ieee80211_local *local,
757                                   u32 *tx_ant, u32 *rx_ant)
758 {
759         int ret = -EOPNOTSUPP;
760         might_sleep();
761         if (local->ops->get_antenna)
762                 ret = local->ops->get_antenna(&local->hw, tx_ant, rx_ant);
763         trace_drv_get_antenna(local, *tx_ant, *rx_ant, ret);
764         return ret;
765 }
766 
767 static inline int drv_remain_on_channel(struct ieee80211_local *local,
768                                         struct ieee80211_sub_if_data *sdata,
769                                         struct ieee80211_channel *chan,
770                                         unsigned int duration,
771                                         enum ieee80211_roc_type type)
772 {
773         int ret;
774 
775         might_sleep();
776 
777         trace_drv_remain_on_channel(local, sdata, chan, duration, type);
778         ret = local->ops->remain_on_channel(&local->hw, &sdata->vif,
779                                             chan, duration, type);
780         trace_drv_return_int(local, ret);
781 
782         return ret;
783 }
784 
785 static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local)
786 {
787         int ret;
788 
789         might_sleep();
790 
791         trace_drv_cancel_remain_on_channel(local);
792         ret = local->ops->cancel_remain_on_channel(&local->hw);
793         trace_drv_return_int(local, ret);
794 
795         return ret;
796 }
797 
798 static inline int drv_set_ringparam(struct ieee80211_local *local,
799                                     u32 tx, u32 rx)
800 {
801         int ret = -ENOTSUPP;
802 
803         might_sleep();
804 
805         trace_drv_set_ringparam(local, tx, rx);
806         if (local->ops->set_ringparam)
807                 ret = local->ops->set_ringparam(&local->hw, tx, rx);
808         trace_drv_return_int(local, ret);
809 
810         return ret;
811 }
812 
813 static inline void drv_get_ringparam(struct ieee80211_local *local,
814                                      u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
815 {
816         might_sleep();
817 
818         trace_drv_get_ringparam(local, tx, tx_max, rx, rx_max);
819         if (local->ops->get_ringparam)
820                 local->ops->get_ringparam(&local->hw, tx, tx_max, rx, rx_max);
821         trace_drv_return_void(local);
822 }
823 
824 static inline bool drv_tx_frames_pending(struct ieee80211_local *local)
825 {
826         bool ret = false;
827 
828         might_sleep();
829 
830         trace_drv_tx_frames_pending(local);
831         if (local->ops->tx_frames_pending)
832                 ret = local->ops->tx_frames_pending(&local->hw);
833         trace_drv_return_bool(local, ret);
834 
835         return ret;
836 }
837 
838 static inline int drv_set_bitrate_mask(struct ieee80211_local *local,
839                                        struct ieee80211_sub_if_data *sdata,
840                                        const struct cfg80211_bitrate_mask *mask)
841 {
842         int ret = -EOPNOTSUPP;
843 
844         might_sleep();
845 
846         check_sdata_in_driver(sdata);
847 
848         trace_drv_set_bitrate_mask(local, sdata, mask);
849         if (local->ops->set_bitrate_mask)
850                 ret = local->ops->set_bitrate_mask(&local->hw,
851                                                    &sdata->vif, mask);
852         trace_drv_return_int(local, ret);
853 
854         return ret;
855 }
856 
857 static inline void drv_set_rekey_data(struct ieee80211_local *local,
858                                       struct ieee80211_sub_if_data *sdata,
859                                       struct cfg80211_gtk_rekey_data *data)
860 {
861         check_sdata_in_driver(sdata);
862 
863         trace_drv_set_rekey_data(local, sdata, data);
864         if (local->ops->set_rekey_data)
865                 local->ops->set_rekey_data(&local->hw, &sdata->vif, data);
866         trace_drv_return_void(local);
867 }
868 
869 static inline void drv_rssi_callback(struct ieee80211_local *local,
870                                      struct ieee80211_sub_if_data *sdata,
871                                      const enum ieee80211_rssi_event event)
872 {
873         trace_drv_rssi_callback(local, sdata, event);
874         if (local->ops->rssi_callback)
875                 local->ops->rssi_callback(&local->hw, &sdata->vif, event);
876         trace_drv_return_void(local);
877 }
878 
879 static inline void
880 drv_release_buffered_frames(struct ieee80211_local *local,
881                             struct sta_info *sta, u16 tids, int num_frames,
882                             enum ieee80211_frame_release_type reason,
883                             bool more_data)
884 {
885         trace_drv_release_buffered_frames(local, &sta->sta, tids, num_frames,
886                                           reason, more_data);
887         if (local->ops->release_buffered_frames)
888                 local->ops->release_buffered_frames(&local->hw, &sta->sta, tids,
889                                                     num_frames, reason,
890                                                     more_data);
891         trace_drv_return_void(local);
892 }
893 
894 static inline void
895 drv_allow_buffered_frames(struct ieee80211_local *local,
896                           struct sta_info *sta, u16 tids, int num_frames,
897                           enum ieee80211_frame_release_type reason,
898                           bool more_data)
899 {
900         trace_drv_allow_buffered_frames(local, &sta->sta, tids, num_frames,
901                                         reason, more_data);
902         if (local->ops->allow_buffered_frames)
903                 local->ops->allow_buffered_frames(&local->hw, &sta->sta,
904                                                   tids, num_frames, reason,
905                                                   more_data);
906         trace_drv_return_void(local);
907 }
908 
909 static inline int drv_get_rssi(struct ieee80211_local *local,
910                                 struct ieee80211_sub_if_data *sdata,
911                                 struct ieee80211_sta *sta,
912                                 s8 *rssi_dbm)
913 {
914         int ret;
915 
916         might_sleep();
917 
918         ret = local->ops->get_rssi(&local->hw, &sdata->vif, sta, rssi_dbm);
919         trace_drv_get_rssi(local, sta, *rssi_dbm, ret);
920 
921         return ret;
922 }
923 
924 static inline void drv_mgd_prepare_tx(struct ieee80211_local *local,
925                                       struct ieee80211_sub_if_data *sdata)
926 {
927         might_sleep();
928 
929         check_sdata_in_driver(sdata);
930         WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION);
931 
932         trace_drv_mgd_prepare_tx(local, sdata);
933         if (local->ops->mgd_prepare_tx)
934                 local->ops->mgd_prepare_tx(&local->hw, &sdata->vif);
935         trace_drv_return_void(local);
936 }
937 
938 static inline int drv_add_chanctx(struct ieee80211_local *local,
939                                   struct ieee80211_chanctx *ctx)
940 {
941         int ret = -EOPNOTSUPP;
942 
943         trace_drv_add_chanctx(local, ctx);
944         if (local->ops->add_chanctx)
945                 ret = local->ops->add_chanctx(&local->hw, &ctx->conf);
946         trace_drv_return_int(local, ret);
947         if (!ret)
948                 ctx->driver_present = true;
949 
950         return ret;
951 }
952 
953 static inline void drv_remove_chanctx(struct ieee80211_local *local,
954                                       struct ieee80211_chanctx *ctx)
955 {
956         trace_drv_remove_chanctx(local, ctx);
957         if (local->ops->remove_chanctx)
958                 local->ops->remove_chanctx(&local->hw, &ctx->conf);
959         trace_drv_return_void(local);
960         ctx->driver_present = false;
961 }
962 
963 static inline void drv_change_chanctx(struct ieee80211_local *local,
964                                       struct ieee80211_chanctx *ctx,
965                                       u32 changed)
966 {
967         trace_drv_change_chanctx(local, ctx, changed);
968         if (local->ops->change_chanctx) {
969                 WARN_ON_ONCE(!ctx->driver_present);
970                 local->ops->change_chanctx(&local->hw, &ctx->conf, changed);
971         }
972         trace_drv_return_void(local);
973 }
974 
975 static inline int drv_assign_vif_chanctx(struct ieee80211_local *local,
976                                          struct ieee80211_sub_if_data *sdata,
977                                          struct ieee80211_chanctx *ctx)
978 {
979         int ret = 0;
980 
981         check_sdata_in_driver(sdata);
982 
983         trace_drv_assign_vif_chanctx(local, sdata, ctx);
984         if (local->ops->assign_vif_chanctx) {
985                 WARN_ON_ONCE(!ctx->driver_present);
986                 ret = local->ops->assign_vif_chanctx(&local->hw,
987                                                      &sdata->vif,
988                                                      &ctx->conf);
989         }
990         trace_drv_return_int(local, ret);
991 
992         return ret;
993 }
994 
995 static inline void drv_unassign_vif_chanctx(struct ieee80211_local *local,
996                                             struct ieee80211_sub_if_data *sdata,
997                                             struct ieee80211_chanctx *ctx)
998 {
999         check_sdata_in_driver(sdata);
1000 
1001         trace_drv_unassign_vif_chanctx(local, sdata, ctx);
1002         if (local->ops->unassign_vif_chanctx) {
1003                 WARN_ON_ONCE(!ctx->driver_present);
1004                 local->ops->unassign_vif_chanctx(&local->hw,
1005                                                  &sdata->vif,
1006                                                  &ctx->conf);
1007         }
1008         trace_drv_return_void(local);
1009 }
1010 
1011 static inline int drv_start_ap(struct ieee80211_local *local,
1012                                struct ieee80211_sub_if_data *sdata)
1013 {
1014         int ret = 0;
1015 
1016         check_sdata_in_driver(sdata);
1017 
1018         trace_drv_start_ap(local, sdata, &sdata->vif.bss_conf);
1019         if (local->ops->start_ap)
1020                 ret = local->ops->start_ap(&local->hw, &sdata->vif);
1021         trace_drv_return_int(local, ret);
1022         return ret;
1023 }
1024 
1025 static inline void drv_stop_ap(struct ieee80211_local *local,
1026                                struct ieee80211_sub_if_data *sdata)
1027 {
1028         check_sdata_in_driver(sdata);
1029 
1030         trace_drv_stop_ap(local, sdata);
1031         if (local->ops->stop_ap)
1032                 local->ops->stop_ap(&local->hw, &sdata->vif);
1033         trace_drv_return_void(local);
1034 }
1035 
1036 static inline void drv_restart_complete(struct ieee80211_local *local)
1037 {
1038         might_sleep();
1039 
1040         trace_drv_restart_complete(local);
1041         if (local->ops->restart_complete)
1042                 local->ops->restart_complete(&local->hw);
1043         trace_drv_return_void(local);
1044 }
1045 
1046 static inline void
1047 drv_set_default_unicast_key(struct ieee80211_local *local,
1048                             struct ieee80211_sub_if_data *sdata,
1049                             int key_idx)
1050 {
1051         check_sdata_in_driver(sdata);
1052 
1053         WARN_ON_ONCE(key_idx < -1 || key_idx > 3);
1054 
1055         trace_drv_set_default_unicast_key(local, sdata, key_idx);
1056         if (local->ops->set_default_unicast_key)
1057                 local->ops->set_default_unicast_key(&local->hw, &sdata->vif,
1058                                                     key_idx);
1059         trace_drv_return_void(local);
1060 }
1061 
1062 #if IS_ENABLED(CONFIG_IPV6)
1063 static inline void drv_ipv6_addr_change(struct ieee80211_local *local,
1064                                         struct ieee80211_sub_if_data *sdata,
1065                                         struct inet6_dev *idev)
1066 {
1067         trace_drv_ipv6_addr_change(local, sdata);
1068         if (local->ops->ipv6_addr_change)
1069                 local->ops->ipv6_addr_change(&local->hw, &sdata->vif, idev);
1070         trace_drv_return_void(local);
1071 }
1072 #endif
1073 
1074 #endif /* __MAC80211_DRIVER_OPS */
1075 

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