mac80211: move sdata debugfs dir to vif
[firefly-linux-kernel-4.4.55.git] / net / mac80211 / driver-ops.h
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
551 static inline
552 void drv_add_interface_debugfs(struct ieee80211_local *local,
553                                struct ieee80211_sub_if_data *sdata)
554 {
555         might_sleep();
556
557         check_sdata_in_driver(sdata);
558
559         if (!local->ops->add_interface_debugfs)
560                 return;
561
562         local->ops->add_interface_debugfs(&local->hw, &sdata->vif,
563                                           sdata->vif.debugfs_dir);
564 }
565
566 static inline
567 void drv_remove_interface_debugfs(struct ieee80211_local *local,
568                                   struct ieee80211_sub_if_data *sdata)
569 {
570         might_sleep();
571
572         check_sdata_in_driver(sdata);
573
574         if (!local->ops->remove_interface_debugfs)
575                 return;
576
577         local->ops->remove_interface_debugfs(&local->hw, &sdata->vif,
578                                              sdata->vif.debugfs_dir);
579 }
580 #else
581 static inline
582 void drv_add_interface_debugfs(struct ieee80211_local *local,
583                                struct ieee80211_sub_if_data *sdata) {}
584 static inline
585 void drv_remove_interface_debugfs(struct ieee80211_local *local,
586                                   struct ieee80211_sub_if_data *sdata) {}
587 #endif
588
589 static inline __must_check
590 int drv_sta_state(struct ieee80211_local *local,
591                   struct ieee80211_sub_if_data *sdata,
592                   struct sta_info *sta,
593                   enum ieee80211_sta_state old_state,
594                   enum ieee80211_sta_state new_state)
595 {
596         int ret = 0;
597
598         might_sleep();
599
600         sdata = get_bss_sdata(sdata);
601         check_sdata_in_driver(sdata);
602
603         trace_drv_sta_state(local, sdata, &sta->sta, old_state, new_state);
604         if (local->ops->sta_state) {
605                 ret = local->ops->sta_state(&local->hw, &sdata->vif, &sta->sta,
606                                             old_state, new_state);
607         } else if (old_state == IEEE80211_STA_AUTH &&
608                    new_state == IEEE80211_STA_ASSOC) {
609                 ret = drv_sta_add(local, sdata, &sta->sta);
610                 if (ret == 0)
611                         sta->uploaded = true;
612         } else if (old_state == IEEE80211_STA_ASSOC &&
613                    new_state == IEEE80211_STA_AUTH) {
614                 drv_sta_remove(local, sdata, &sta->sta);
615         }
616         trace_drv_return_int(local, ret);
617         return ret;
618 }
619
620 static inline void drv_sta_rc_update(struct ieee80211_local *local,
621                                      struct ieee80211_sub_if_data *sdata,
622                                      struct ieee80211_sta *sta, u32 changed)
623 {
624         sdata = get_bss_sdata(sdata);
625         check_sdata_in_driver(sdata);
626
627         WARN_ON(changed & IEEE80211_RC_SUPP_RATES_CHANGED &&
628                 (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
629                  sdata->vif.type != NL80211_IFTYPE_MESH_POINT));
630
631         trace_drv_sta_rc_update(local, sdata, sta, changed);
632         if (local->ops->sta_rc_update)
633                 local->ops->sta_rc_update(&local->hw, &sdata->vif,
634                                           sta, changed);
635
636         trace_drv_return_void(local);
637 }
638
639 static inline int drv_conf_tx(struct ieee80211_local *local,
640                               struct ieee80211_sub_if_data *sdata, u16 ac,
641                               const struct ieee80211_tx_queue_params *params)
642 {
643         int ret = -EOPNOTSUPP;
644
645         might_sleep();
646
647         check_sdata_in_driver(sdata);
648
649         trace_drv_conf_tx(local, sdata, ac, params);
650         if (local->ops->conf_tx)
651                 ret = local->ops->conf_tx(&local->hw, &sdata->vif,
652                                           ac, params);
653         trace_drv_return_int(local, ret);
654         return ret;
655 }
656
657 static inline u64 drv_get_tsf(struct ieee80211_local *local,
658                               struct ieee80211_sub_if_data *sdata)
659 {
660         u64 ret = -1ULL;
661
662         might_sleep();
663
664         check_sdata_in_driver(sdata);
665
666         trace_drv_get_tsf(local, sdata);
667         if (local->ops->get_tsf)
668                 ret = local->ops->get_tsf(&local->hw, &sdata->vif);
669         trace_drv_return_u64(local, ret);
670         return ret;
671 }
672
673 static inline void drv_set_tsf(struct ieee80211_local *local,
674                                struct ieee80211_sub_if_data *sdata,
675                                u64 tsf)
676 {
677         might_sleep();
678
679         check_sdata_in_driver(sdata);
680
681         trace_drv_set_tsf(local, sdata, tsf);
682         if (local->ops->set_tsf)
683                 local->ops->set_tsf(&local->hw, &sdata->vif, tsf);
684         trace_drv_return_void(local);
685 }
686
687 static inline void drv_reset_tsf(struct ieee80211_local *local,
688                                  struct ieee80211_sub_if_data *sdata)
689 {
690         might_sleep();
691
692         check_sdata_in_driver(sdata);
693
694         trace_drv_reset_tsf(local, sdata);
695         if (local->ops->reset_tsf)
696                 local->ops->reset_tsf(&local->hw, &sdata->vif);
697         trace_drv_return_void(local);
698 }
699
700 static inline int drv_tx_last_beacon(struct ieee80211_local *local)
701 {
702         int ret = 0; /* default unsupported op for less congestion */
703
704         might_sleep();
705
706         trace_drv_tx_last_beacon(local);
707         if (local->ops->tx_last_beacon)
708                 ret = local->ops->tx_last_beacon(&local->hw);
709         trace_drv_return_int(local, ret);
710         return ret;
711 }
712
713 static inline int drv_ampdu_action(struct ieee80211_local *local,
714                                    struct ieee80211_sub_if_data *sdata,
715                                    enum ieee80211_ampdu_mlme_action action,
716                                    struct ieee80211_sta *sta, u16 tid,
717                                    u16 *ssn, u8 buf_size)
718 {
719         int ret = -EOPNOTSUPP;
720
721         might_sleep();
722
723         sdata = get_bss_sdata(sdata);
724         check_sdata_in_driver(sdata);
725
726         trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, buf_size);
727
728         if (local->ops->ampdu_action)
729                 ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
730                                                sta, tid, ssn, buf_size);
731
732         trace_drv_return_int(local, ret);
733
734         return ret;
735 }
736
737 static inline int drv_get_survey(struct ieee80211_local *local, int idx,
738                                 struct survey_info *survey)
739 {
740         int ret = -EOPNOTSUPP;
741
742         trace_drv_get_survey(local, idx, survey);
743
744         if (local->ops->get_survey)
745                 ret = local->ops->get_survey(&local->hw, idx, survey);
746
747         trace_drv_return_int(local, ret);
748
749         return ret;
750 }
751
752 static inline void drv_rfkill_poll(struct ieee80211_local *local)
753 {
754         might_sleep();
755
756         if (local->ops->rfkill_poll)
757                 local->ops->rfkill_poll(&local->hw);
758 }
759
760 static inline void drv_flush(struct ieee80211_local *local, bool drop)
761 {
762         might_sleep();
763
764         trace_drv_flush(local, drop);
765         if (local->ops->flush)
766                 local->ops->flush(&local->hw, drop);
767         trace_drv_return_void(local);
768 }
769
770 static inline void drv_channel_switch(struct ieee80211_local *local,
771                                      struct ieee80211_channel_switch *ch_switch)
772 {
773         might_sleep();
774
775         trace_drv_channel_switch(local, ch_switch);
776         local->ops->channel_switch(&local->hw, ch_switch);
777         trace_drv_return_void(local);
778 }
779
780
781 static inline int drv_set_antenna(struct ieee80211_local *local,
782                                   u32 tx_ant, u32 rx_ant)
783 {
784         int ret = -EOPNOTSUPP;
785         might_sleep();
786         if (local->ops->set_antenna)
787                 ret = local->ops->set_antenna(&local->hw, tx_ant, rx_ant);
788         trace_drv_set_antenna(local, tx_ant, rx_ant, ret);
789         return ret;
790 }
791
792 static inline int drv_get_antenna(struct ieee80211_local *local,
793                                   u32 *tx_ant, u32 *rx_ant)
794 {
795         int ret = -EOPNOTSUPP;
796         might_sleep();
797         if (local->ops->get_antenna)
798                 ret = local->ops->get_antenna(&local->hw, tx_ant, rx_ant);
799         trace_drv_get_antenna(local, *tx_ant, *rx_ant, ret);
800         return ret;
801 }
802
803 static inline int drv_remain_on_channel(struct ieee80211_local *local,
804                                         struct ieee80211_sub_if_data *sdata,
805                                         struct ieee80211_channel *chan,
806                                         unsigned int duration,
807                                         enum ieee80211_roc_type type)
808 {
809         int ret;
810
811         might_sleep();
812
813         trace_drv_remain_on_channel(local, sdata, chan, duration, type);
814         ret = local->ops->remain_on_channel(&local->hw, &sdata->vif,
815                                             chan, duration, type);
816         trace_drv_return_int(local, ret);
817
818         return ret;
819 }
820
821 static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local)
822 {
823         int ret;
824
825         might_sleep();
826
827         trace_drv_cancel_remain_on_channel(local);
828         ret = local->ops->cancel_remain_on_channel(&local->hw);
829         trace_drv_return_int(local, ret);
830
831         return ret;
832 }
833
834 static inline int drv_set_ringparam(struct ieee80211_local *local,
835                                     u32 tx, u32 rx)
836 {
837         int ret = -ENOTSUPP;
838
839         might_sleep();
840
841         trace_drv_set_ringparam(local, tx, rx);
842         if (local->ops->set_ringparam)
843                 ret = local->ops->set_ringparam(&local->hw, tx, rx);
844         trace_drv_return_int(local, ret);
845
846         return ret;
847 }
848
849 static inline void drv_get_ringparam(struct ieee80211_local *local,
850                                      u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
851 {
852         might_sleep();
853
854         trace_drv_get_ringparam(local, tx, tx_max, rx, rx_max);
855         if (local->ops->get_ringparam)
856                 local->ops->get_ringparam(&local->hw, tx, tx_max, rx, rx_max);
857         trace_drv_return_void(local);
858 }
859
860 static inline bool drv_tx_frames_pending(struct ieee80211_local *local)
861 {
862         bool ret = false;
863
864         might_sleep();
865
866         trace_drv_tx_frames_pending(local);
867         if (local->ops->tx_frames_pending)
868                 ret = local->ops->tx_frames_pending(&local->hw);
869         trace_drv_return_bool(local, ret);
870
871         return ret;
872 }
873
874 static inline int drv_set_bitrate_mask(struct ieee80211_local *local,
875                                        struct ieee80211_sub_if_data *sdata,
876                                        const struct cfg80211_bitrate_mask *mask)
877 {
878         int ret = -EOPNOTSUPP;
879
880         might_sleep();
881
882         check_sdata_in_driver(sdata);
883
884         trace_drv_set_bitrate_mask(local, sdata, mask);
885         if (local->ops->set_bitrate_mask)
886                 ret = local->ops->set_bitrate_mask(&local->hw,
887                                                    &sdata->vif, mask);
888         trace_drv_return_int(local, ret);
889
890         return ret;
891 }
892
893 static inline void drv_set_rekey_data(struct ieee80211_local *local,
894                                       struct ieee80211_sub_if_data *sdata,
895                                       struct cfg80211_gtk_rekey_data *data)
896 {
897         check_sdata_in_driver(sdata);
898
899         trace_drv_set_rekey_data(local, sdata, data);
900         if (local->ops->set_rekey_data)
901                 local->ops->set_rekey_data(&local->hw, &sdata->vif, data);
902         trace_drv_return_void(local);
903 }
904
905 static inline void drv_rssi_callback(struct ieee80211_local *local,
906                                      struct ieee80211_sub_if_data *sdata,
907                                      const enum ieee80211_rssi_event event)
908 {
909         trace_drv_rssi_callback(local, sdata, event);
910         if (local->ops->rssi_callback)
911                 local->ops->rssi_callback(&local->hw, &sdata->vif, event);
912         trace_drv_return_void(local);
913 }
914
915 static inline void
916 drv_release_buffered_frames(struct ieee80211_local *local,
917                             struct sta_info *sta, u16 tids, int num_frames,
918                             enum ieee80211_frame_release_type reason,
919                             bool more_data)
920 {
921         trace_drv_release_buffered_frames(local, &sta->sta, tids, num_frames,
922                                           reason, more_data);
923         if (local->ops->release_buffered_frames)
924                 local->ops->release_buffered_frames(&local->hw, &sta->sta, tids,
925                                                     num_frames, reason,
926                                                     more_data);
927         trace_drv_return_void(local);
928 }
929
930 static inline void
931 drv_allow_buffered_frames(struct ieee80211_local *local,
932                           struct sta_info *sta, u16 tids, int num_frames,
933                           enum ieee80211_frame_release_type reason,
934                           bool more_data)
935 {
936         trace_drv_allow_buffered_frames(local, &sta->sta, tids, num_frames,
937                                         reason, more_data);
938         if (local->ops->allow_buffered_frames)
939                 local->ops->allow_buffered_frames(&local->hw, &sta->sta,
940                                                   tids, num_frames, reason,
941                                                   more_data);
942         trace_drv_return_void(local);
943 }
944
945 static inline int drv_get_rssi(struct ieee80211_local *local,
946                                 struct ieee80211_sub_if_data *sdata,
947                                 struct ieee80211_sta *sta,
948                                 s8 *rssi_dbm)
949 {
950         int ret;
951
952         might_sleep();
953
954         ret = local->ops->get_rssi(&local->hw, &sdata->vif, sta, rssi_dbm);
955         trace_drv_get_rssi(local, sta, *rssi_dbm, ret);
956
957         return ret;
958 }
959
960 static inline void drv_mgd_prepare_tx(struct ieee80211_local *local,
961                                       struct ieee80211_sub_if_data *sdata)
962 {
963         might_sleep();
964
965         check_sdata_in_driver(sdata);
966         WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION);
967
968         trace_drv_mgd_prepare_tx(local, sdata);
969         if (local->ops->mgd_prepare_tx)
970                 local->ops->mgd_prepare_tx(&local->hw, &sdata->vif);
971         trace_drv_return_void(local);
972 }
973
974 static inline int drv_add_chanctx(struct ieee80211_local *local,
975                                   struct ieee80211_chanctx *ctx)
976 {
977         int ret = -EOPNOTSUPP;
978
979         trace_drv_add_chanctx(local, ctx);
980         if (local->ops->add_chanctx)
981                 ret = local->ops->add_chanctx(&local->hw, &ctx->conf);
982         trace_drv_return_int(local, ret);
983         if (!ret)
984                 ctx->driver_present = true;
985
986         return ret;
987 }
988
989 static inline void drv_remove_chanctx(struct ieee80211_local *local,
990                                       struct ieee80211_chanctx *ctx)
991 {
992         trace_drv_remove_chanctx(local, ctx);
993         if (local->ops->remove_chanctx)
994                 local->ops->remove_chanctx(&local->hw, &ctx->conf);
995         trace_drv_return_void(local);
996         ctx->driver_present = false;
997 }
998
999 static inline void drv_change_chanctx(struct ieee80211_local *local,
1000                                       struct ieee80211_chanctx *ctx,
1001                                       u32 changed)
1002 {
1003         trace_drv_change_chanctx(local, ctx, changed);
1004         if (local->ops->change_chanctx) {
1005                 WARN_ON_ONCE(!ctx->driver_present);
1006                 local->ops->change_chanctx(&local->hw, &ctx->conf, changed);
1007         }
1008         trace_drv_return_void(local);
1009 }
1010
1011 static inline int drv_assign_vif_chanctx(struct ieee80211_local *local,
1012                                          struct ieee80211_sub_if_data *sdata,
1013                                          struct ieee80211_chanctx *ctx)
1014 {
1015         int ret = 0;
1016
1017         check_sdata_in_driver(sdata);
1018
1019         trace_drv_assign_vif_chanctx(local, sdata, ctx);
1020         if (local->ops->assign_vif_chanctx) {
1021                 WARN_ON_ONCE(!ctx->driver_present);
1022                 ret = local->ops->assign_vif_chanctx(&local->hw,
1023                                                      &sdata->vif,
1024                                                      &ctx->conf);
1025         }
1026         trace_drv_return_int(local, ret);
1027
1028         return ret;
1029 }
1030
1031 static inline void drv_unassign_vif_chanctx(struct ieee80211_local *local,
1032                                             struct ieee80211_sub_if_data *sdata,
1033                                             struct ieee80211_chanctx *ctx)
1034 {
1035         check_sdata_in_driver(sdata);
1036
1037         trace_drv_unassign_vif_chanctx(local, sdata, ctx);
1038         if (local->ops->unassign_vif_chanctx) {
1039                 WARN_ON_ONCE(!ctx->driver_present);
1040                 local->ops->unassign_vif_chanctx(&local->hw,
1041                                                  &sdata->vif,
1042                                                  &ctx->conf);
1043         }
1044         trace_drv_return_void(local);
1045 }
1046
1047 static inline int drv_start_ap(struct ieee80211_local *local,
1048                                struct ieee80211_sub_if_data *sdata)
1049 {
1050         int ret = 0;
1051
1052         check_sdata_in_driver(sdata);
1053
1054         trace_drv_start_ap(local, sdata, &sdata->vif.bss_conf);
1055         if (local->ops->start_ap)
1056                 ret = local->ops->start_ap(&local->hw, &sdata->vif);
1057         trace_drv_return_int(local, ret);
1058         return ret;
1059 }
1060
1061 static inline void drv_stop_ap(struct ieee80211_local *local,
1062                                struct ieee80211_sub_if_data *sdata)
1063 {
1064         check_sdata_in_driver(sdata);
1065
1066         trace_drv_stop_ap(local, sdata);
1067         if (local->ops->stop_ap)
1068                 local->ops->stop_ap(&local->hw, &sdata->vif);
1069         trace_drv_return_void(local);
1070 }
1071
1072 static inline void drv_restart_complete(struct ieee80211_local *local)
1073 {
1074         might_sleep();
1075
1076         trace_drv_restart_complete(local);
1077         if (local->ops->restart_complete)
1078                 local->ops->restart_complete(&local->hw);
1079         trace_drv_return_void(local);
1080 }
1081
1082 static inline void
1083 drv_set_default_unicast_key(struct ieee80211_local *local,
1084                             struct ieee80211_sub_if_data *sdata,
1085                             int key_idx)
1086 {
1087         check_sdata_in_driver(sdata);
1088
1089         WARN_ON_ONCE(key_idx < -1 || key_idx > 3);
1090
1091         trace_drv_set_default_unicast_key(local, sdata, key_idx);
1092         if (local->ops->set_default_unicast_key)
1093                 local->ops->set_default_unicast_key(&local->hw, &sdata->vif,
1094                                                     key_idx);
1095         trace_drv_return_void(local);
1096 }
1097
1098 #if IS_ENABLED(CONFIG_IPV6)
1099 static inline void drv_ipv6_addr_change(struct ieee80211_local *local,
1100                                         struct ieee80211_sub_if_data *sdata,
1101                                         struct inet6_dev *idev)
1102 {
1103         trace_drv_ipv6_addr_change(local, sdata);
1104         if (local->ops->ipv6_addr_change)
1105                 local->ops->ipv6_addr_change(&local->hw, &sdata->vif, idev);
1106         trace_drv_return_void(local);
1107 }
1108 #endif
1109
1110 #endif /* __MAC80211_DRIVER_OPS */