Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
[cascardo/linux.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 bool check_sdata_in_driver(struct ieee80211_sub_if_data *sdata)
9 {
10         return !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                      !ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF) &&
150                      !(sdata->u.mntr_flags & MONITOR_FLAG_ACTIVE))))
151                 return -EINVAL;
152
153         trace_drv_add_interface(local, sdata);
154         ret = local->ops->add_interface(&local->hw, &sdata->vif);
155         trace_drv_return_int(local, ret);
156
157         if (ret == 0)
158                 sdata->flags |= IEEE80211_SDATA_IN_DRIVER;
159
160         return ret;
161 }
162
163 static inline int drv_change_interface(struct ieee80211_local *local,
164                                        struct ieee80211_sub_if_data *sdata,
165                                        enum nl80211_iftype type, bool p2p)
166 {
167         int ret;
168
169         might_sleep();
170
171         if (!check_sdata_in_driver(sdata))
172                 return -EIO;
173
174         trace_drv_change_interface(local, sdata, type, p2p);
175         ret = local->ops->change_interface(&local->hw, &sdata->vif, type, p2p);
176         trace_drv_return_int(local, ret);
177         return ret;
178 }
179
180 static inline void drv_remove_interface(struct ieee80211_local *local,
181                                         struct ieee80211_sub_if_data *sdata)
182 {
183         might_sleep();
184
185         if (!check_sdata_in_driver(sdata))
186                 return;
187
188         trace_drv_remove_interface(local, sdata);
189         local->ops->remove_interface(&local->hw, &sdata->vif);
190         sdata->flags &= ~IEEE80211_SDATA_IN_DRIVER;
191         trace_drv_return_void(local);
192 }
193
194 static inline int drv_config(struct ieee80211_local *local, u32 changed)
195 {
196         int ret;
197
198         might_sleep();
199
200         trace_drv_config(local, changed);
201         ret = local->ops->config(&local->hw, changed);
202         trace_drv_return_int(local, ret);
203         return ret;
204 }
205
206 static inline void drv_bss_info_changed(struct ieee80211_local *local,
207                                         struct ieee80211_sub_if_data *sdata,
208                                         struct ieee80211_bss_conf *info,
209                                         u32 changed)
210 {
211         might_sleep();
212
213         if (WARN_ON_ONCE(changed & (BSS_CHANGED_BEACON |
214                                     BSS_CHANGED_BEACON_ENABLED) &&
215                          sdata->vif.type != NL80211_IFTYPE_AP &&
216                          sdata->vif.type != NL80211_IFTYPE_ADHOC &&
217                          sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
218                          sdata->vif.type != NL80211_IFTYPE_OCB))
219                 return;
220
221         if (WARN_ON_ONCE(sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE ||
222                          sdata->vif.type == NL80211_IFTYPE_MONITOR))
223                 return;
224
225         if (!check_sdata_in_driver(sdata))
226                 return;
227
228         trace_drv_bss_info_changed(local, sdata, info, changed);
229         if (local->ops->bss_info_changed)
230                 local->ops->bss_info_changed(&local->hw, &sdata->vif, info, changed);
231         trace_drv_return_void(local);
232 }
233
234 static inline u64 drv_prepare_multicast(struct ieee80211_local *local,
235                                         struct netdev_hw_addr_list *mc_list)
236 {
237         u64 ret = 0;
238
239         trace_drv_prepare_multicast(local, mc_list->count);
240
241         if (local->ops->prepare_multicast)
242                 ret = local->ops->prepare_multicast(&local->hw, mc_list);
243
244         trace_drv_return_u64(local, ret);
245
246         return ret;
247 }
248
249 static inline void drv_configure_filter(struct ieee80211_local *local,
250                                         unsigned int changed_flags,
251                                         unsigned int *total_flags,
252                                         u64 multicast)
253 {
254         might_sleep();
255
256         trace_drv_configure_filter(local, changed_flags, total_flags,
257                                    multicast);
258         local->ops->configure_filter(&local->hw, changed_flags, total_flags,
259                                      multicast);
260         trace_drv_return_void(local);
261 }
262
263 static inline int drv_set_tim(struct ieee80211_local *local,
264                               struct ieee80211_sta *sta, bool set)
265 {
266         int ret = 0;
267         trace_drv_set_tim(local, sta, set);
268         if (local->ops->set_tim)
269                 ret = local->ops->set_tim(&local->hw, sta, set);
270         trace_drv_return_int(local, ret);
271         return ret;
272 }
273
274 static inline int drv_set_key(struct ieee80211_local *local,
275                               enum set_key_cmd cmd,
276                               struct ieee80211_sub_if_data *sdata,
277                               struct ieee80211_sta *sta,
278                               struct ieee80211_key_conf *key)
279 {
280         int ret;
281
282         might_sleep();
283
284         sdata = get_bss_sdata(sdata);
285         if (!check_sdata_in_driver(sdata))
286                 return -EIO;
287
288         trace_drv_set_key(local, cmd, sdata, sta, key);
289         ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key);
290         trace_drv_return_int(local, ret);
291         return ret;
292 }
293
294 static inline void drv_update_tkip_key(struct ieee80211_local *local,
295                                        struct ieee80211_sub_if_data *sdata,
296                                        struct ieee80211_key_conf *conf,
297                                        struct sta_info *sta, u32 iv32,
298                                        u16 *phase1key)
299 {
300         struct ieee80211_sta *ista = NULL;
301
302         if (sta)
303                 ista = &sta->sta;
304
305         sdata = get_bss_sdata(sdata);
306         if (!check_sdata_in_driver(sdata))
307                 return;
308
309         trace_drv_update_tkip_key(local, sdata, conf, ista, iv32);
310         if (local->ops->update_tkip_key)
311                 local->ops->update_tkip_key(&local->hw, &sdata->vif, conf,
312                                             ista, iv32, phase1key);
313         trace_drv_return_void(local);
314 }
315
316 static inline int drv_hw_scan(struct ieee80211_local *local,
317                               struct ieee80211_sub_if_data *sdata,
318                               struct ieee80211_scan_request *req)
319 {
320         int ret;
321
322         might_sleep();
323
324         if (!check_sdata_in_driver(sdata))
325                 return -EIO;
326
327         trace_drv_hw_scan(local, sdata);
328         ret = local->ops->hw_scan(&local->hw, &sdata->vif, req);
329         trace_drv_return_int(local, ret);
330         return ret;
331 }
332
333 static inline void drv_cancel_hw_scan(struct ieee80211_local *local,
334                                       struct ieee80211_sub_if_data *sdata)
335 {
336         might_sleep();
337
338         if (!check_sdata_in_driver(sdata))
339                 return;
340
341         trace_drv_cancel_hw_scan(local, sdata);
342         local->ops->cancel_hw_scan(&local->hw, &sdata->vif);
343         trace_drv_return_void(local);
344 }
345
346 static inline int
347 drv_sched_scan_start(struct ieee80211_local *local,
348                      struct ieee80211_sub_if_data *sdata,
349                      struct cfg80211_sched_scan_request *req,
350                      struct ieee80211_scan_ies *ies)
351 {
352         int ret;
353
354         might_sleep();
355
356         if (!check_sdata_in_driver(sdata))
357                 return -EIO;
358
359         trace_drv_sched_scan_start(local, sdata);
360         ret = local->ops->sched_scan_start(&local->hw, &sdata->vif,
361                                               req, ies);
362         trace_drv_return_int(local, ret);
363         return ret;
364 }
365
366 static inline int drv_sched_scan_stop(struct ieee80211_local *local,
367                                       struct ieee80211_sub_if_data *sdata)
368 {
369         int ret;
370
371         might_sleep();
372
373         if (!check_sdata_in_driver(sdata))
374                 return -EIO;
375
376         trace_drv_sched_scan_stop(local, sdata);
377         ret = local->ops->sched_scan_stop(&local->hw, &sdata->vif);
378         trace_drv_return_int(local, ret);
379
380         return ret;
381 }
382
383 static inline void drv_sw_scan_start(struct ieee80211_local *local,
384                                      struct ieee80211_sub_if_data *sdata,
385                                      const u8 *mac_addr)
386 {
387         might_sleep();
388
389         trace_drv_sw_scan_start(local, sdata, mac_addr);
390         if (local->ops->sw_scan_start)
391                 local->ops->sw_scan_start(&local->hw, &sdata->vif, mac_addr);
392         trace_drv_return_void(local);
393 }
394
395 static inline void drv_sw_scan_complete(struct ieee80211_local *local,
396                                         struct ieee80211_sub_if_data *sdata)
397 {
398         might_sleep();
399
400         trace_drv_sw_scan_complete(local, sdata);
401         if (local->ops->sw_scan_complete)
402                 local->ops->sw_scan_complete(&local->hw, &sdata->vif);
403         trace_drv_return_void(local);
404 }
405
406 static inline int drv_get_stats(struct ieee80211_local *local,
407                                 struct ieee80211_low_level_stats *stats)
408 {
409         int ret = -EOPNOTSUPP;
410
411         might_sleep();
412
413         if (local->ops->get_stats)
414                 ret = local->ops->get_stats(&local->hw, stats);
415         trace_drv_get_stats(local, stats, ret);
416
417         return ret;
418 }
419
420 static inline void drv_get_key_seq(struct ieee80211_local *local,
421                                    struct ieee80211_key *key,
422                                    struct ieee80211_key_seq *seq)
423 {
424         if (local->ops->get_key_seq)
425                 local->ops->get_key_seq(&local->hw, &key->conf, seq);
426         trace_drv_get_key_seq(local, &key->conf);
427 }
428
429 static inline int drv_set_frag_threshold(struct ieee80211_local *local,
430                                         u32 value)
431 {
432         int ret = 0;
433
434         might_sleep();
435
436         trace_drv_set_frag_threshold(local, value);
437         if (local->ops->set_frag_threshold)
438                 ret = local->ops->set_frag_threshold(&local->hw, value);
439         trace_drv_return_int(local, ret);
440         return ret;
441 }
442
443 static inline int drv_set_rts_threshold(struct ieee80211_local *local,
444                                         u32 value)
445 {
446         int ret = 0;
447
448         might_sleep();
449
450         trace_drv_set_rts_threshold(local, value);
451         if (local->ops->set_rts_threshold)
452                 ret = local->ops->set_rts_threshold(&local->hw, value);
453         trace_drv_return_int(local, ret);
454         return ret;
455 }
456
457 static inline int drv_set_coverage_class(struct ieee80211_local *local,
458                                          s16 value)
459 {
460         int ret = 0;
461         might_sleep();
462
463         trace_drv_set_coverage_class(local, value);
464         if (local->ops->set_coverage_class)
465                 local->ops->set_coverage_class(&local->hw, value);
466         else
467                 ret = -EOPNOTSUPP;
468
469         trace_drv_return_int(local, ret);
470         return ret;
471 }
472
473 static inline void drv_sta_notify(struct ieee80211_local *local,
474                                   struct ieee80211_sub_if_data *sdata,
475                                   enum sta_notify_cmd cmd,
476                                   struct ieee80211_sta *sta)
477 {
478         sdata = get_bss_sdata(sdata);
479         if (!check_sdata_in_driver(sdata))
480                 return;
481
482         trace_drv_sta_notify(local, sdata, cmd, sta);
483         if (local->ops->sta_notify)
484                 local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta);
485         trace_drv_return_void(local);
486 }
487
488 static inline int drv_sta_add(struct ieee80211_local *local,
489                               struct ieee80211_sub_if_data *sdata,
490                               struct ieee80211_sta *sta)
491 {
492         int ret = 0;
493
494         might_sleep();
495
496         sdata = get_bss_sdata(sdata);
497         if (!check_sdata_in_driver(sdata))
498                 return -EIO;
499
500         trace_drv_sta_add(local, sdata, sta);
501         if (local->ops->sta_add)
502                 ret = local->ops->sta_add(&local->hw, &sdata->vif, sta);
503
504         trace_drv_return_int(local, ret);
505
506         return ret;
507 }
508
509 static inline void drv_sta_remove(struct ieee80211_local *local,
510                                   struct ieee80211_sub_if_data *sdata,
511                                   struct ieee80211_sta *sta)
512 {
513         might_sleep();
514
515         sdata = get_bss_sdata(sdata);
516         if (!check_sdata_in_driver(sdata))
517                 return;
518
519         trace_drv_sta_remove(local, sdata, sta);
520         if (local->ops->sta_remove)
521                 local->ops->sta_remove(&local->hw, &sdata->vif, sta);
522
523         trace_drv_return_void(local);
524 }
525
526 #ifdef CONFIG_MAC80211_DEBUGFS
527 static inline void drv_sta_add_debugfs(struct ieee80211_local *local,
528                                        struct ieee80211_sub_if_data *sdata,
529                                        struct ieee80211_sta *sta,
530                                        struct dentry *dir)
531 {
532         might_sleep();
533
534         sdata = get_bss_sdata(sdata);
535         if (!check_sdata_in_driver(sdata))
536                 return;
537
538         if (local->ops->sta_add_debugfs)
539                 local->ops->sta_add_debugfs(&local->hw, &sdata->vif,
540                                             sta, dir);
541 }
542
543 static inline void drv_sta_remove_debugfs(struct ieee80211_local *local,
544                                           struct ieee80211_sub_if_data *sdata,
545                                           struct ieee80211_sta *sta,
546                                           struct dentry *dir)
547 {
548         might_sleep();
549
550         sdata = get_bss_sdata(sdata);
551         check_sdata_in_driver(sdata);
552
553         if (local->ops->sta_remove_debugfs)
554                 local->ops->sta_remove_debugfs(&local->hw, &sdata->vif,
555                                                sta, dir);
556 }
557 #endif
558
559 static inline void drv_sta_pre_rcu_remove(struct ieee80211_local *local,
560                                           struct ieee80211_sub_if_data *sdata,
561                                           struct sta_info *sta)
562 {
563         might_sleep();
564
565         sdata = get_bss_sdata(sdata);
566         if (!check_sdata_in_driver(sdata))
567                 return;
568
569         trace_drv_sta_pre_rcu_remove(local, sdata, &sta->sta);
570         if (local->ops->sta_pre_rcu_remove)
571                 local->ops->sta_pre_rcu_remove(&local->hw, &sdata->vif,
572                                                &sta->sta);
573         trace_drv_return_void(local);
574 }
575
576 static inline __must_check
577 int drv_sta_state(struct ieee80211_local *local,
578                   struct ieee80211_sub_if_data *sdata,
579                   struct sta_info *sta,
580                   enum ieee80211_sta_state old_state,
581                   enum ieee80211_sta_state new_state)
582 {
583         int ret = 0;
584
585         might_sleep();
586
587         sdata = get_bss_sdata(sdata);
588         if (!check_sdata_in_driver(sdata))
589                 return -EIO;
590
591         trace_drv_sta_state(local, sdata, &sta->sta, old_state, new_state);
592         if (local->ops->sta_state) {
593                 ret = local->ops->sta_state(&local->hw, &sdata->vif, &sta->sta,
594                                             old_state, new_state);
595         } else if (old_state == IEEE80211_STA_AUTH &&
596                    new_state == IEEE80211_STA_ASSOC) {
597                 ret = drv_sta_add(local, sdata, &sta->sta);
598                 if (ret == 0)
599                         sta->uploaded = true;
600         } else if (old_state == IEEE80211_STA_ASSOC &&
601                    new_state == IEEE80211_STA_AUTH) {
602                 drv_sta_remove(local, sdata, &sta->sta);
603         }
604         trace_drv_return_int(local, ret);
605         return ret;
606 }
607
608 static inline void drv_sta_rc_update(struct ieee80211_local *local,
609                                      struct ieee80211_sub_if_data *sdata,
610                                      struct ieee80211_sta *sta, u32 changed)
611 {
612         sdata = get_bss_sdata(sdata);
613         if (!check_sdata_in_driver(sdata))
614                 return;
615
616         WARN_ON(changed & IEEE80211_RC_SUPP_RATES_CHANGED &&
617                 (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
618                  sdata->vif.type != NL80211_IFTYPE_MESH_POINT));
619
620         trace_drv_sta_rc_update(local, sdata, sta, changed);
621         if (local->ops->sta_rc_update)
622                 local->ops->sta_rc_update(&local->hw, &sdata->vif,
623                                           sta, changed);
624
625         trace_drv_return_void(local);
626 }
627
628 static inline void drv_sta_rate_tbl_update(struct ieee80211_local *local,
629                                            struct ieee80211_sub_if_data *sdata,
630                                            struct ieee80211_sta *sta)
631 {
632         sdata = get_bss_sdata(sdata);
633         if (!check_sdata_in_driver(sdata))
634                 return;
635
636         trace_drv_sta_rate_tbl_update(local, sdata, sta);
637         if (local->ops->sta_rate_tbl_update)
638                 local->ops->sta_rate_tbl_update(&local->hw, &sdata->vif, sta);
639
640         trace_drv_return_void(local);
641 }
642
643 static inline void drv_sta_statistics(struct ieee80211_local *local,
644                                       struct ieee80211_sub_if_data *sdata,
645                                       struct ieee80211_sta *sta,
646                                       struct station_info *sinfo)
647 {
648         sdata = get_bss_sdata(sdata);
649         if (!check_sdata_in_driver(sdata))
650                 return;
651
652         trace_drv_sta_statistics(local, sdata, sta);
653         if (local->ops->sta_statistics)
654                 local->ops->sta_statistics(&local->hw, &sdata->vif, sta, sinfo);
655         trace_drv_return_void(local);
656 }
657
658 static inline int drv_conf_tx(struct ieee80211_local *local,
659                               struct ieee80211_sub_if_data *sdata, u16 ac,
660                               const struct ieee80211_tx_queue_params *params)
661 {
662         int ret = -EOPNOTSUPP;
663
664         might_sleep();
665
666         if (!check_sdata_in_driver(sdata))
667                 return -EIO;
668
669         if (WARN_ONCE(params->cw_min == 0 ||
670                       params->cw_min > params->cw_max,
671                       "%s: invalid CW_min/CW_max: %d/%d\n",
672                       sdata->name, params->cw_min, params->cw_max))
673                 return -EINVAL;
674
675         trace_drv_conf_tx(local, sdata, ac, params);
676         if (local->ops->conf_tx)
677                 ret = local->ops->conf_tx(&local->hw, &sdata->vif,
678                                           ac, params);
679         trace_drv_return_int(local, ret);
680         return ret;
681 }
682
683 static inline u64 drv_get_tsf(struct ieee80211_local *local,
684                               struct ieee80211_sub_if_data *sdata)
685 {
686         u64 ret = -1ULL;
687
688         might_sleep();
689
690         if (!check_sdata_in_driver(sdata))
691                 return ret;
692
693         trace_drv_get_tsf(local, sdata);
694         if (local->ops->get_tsf)
695                 ret = local->ops->get_tsf(&local->hw, &sdata->vif);
696         trace_drv_return_u64(local, ret);
697         return ret;
698 }
699
700 static inline void drv_set_tsf(struct ieee80211_local *local,
701                                struct ieee80211_sub_if_data *sdata,
702                                u64 tsf)
703 {
704         might_sleep();
705
706         if (!check_sdata_in_driver(sdata))
707                 return;
708
709         trace_drv_set_tsf(local, sdata, tsf);
710         if (local->ops->set_tsf)
711                 local->ops->set_tsf(&local->hw, &sdata->vif, tsf);
712         trace_drv_return_void(local);
713 }
714
715 static inline void drv_reset_tsf(struct ieee80211_local *local,
716                                  struct ieee80211_sub_if_data *sdata)
717 {
718         might_sleep();
719
720         if (!check_sdata_in_driver(sdata))
721                 return;
722
723         trace_drv_reset_tsf(local, sdata);
724         if (local->ops->reset_tsf)
725                 local->ops->reset_tsf(&local->hw, &sdata->vif);
726         trace_drv_return_void(local);
727 }
728
729 static inline int drv_tx_last_beacon(struct ieee80211_local *local)
730 {
731         int ret = 0; /* default unsupported op for less congestion */
732
733         might_sleep();
734
735         trace_drv_tx_last_beacon(local);
736         if (local->ops->tx_last_beacon)
737                 ret = local->ops->tx_last_beacon(&local->hw);
738         trace_drv_return_int(local, ret);
739         return ret;
740 }
741
742 static inline int drv_ampdu_action(struct ieee80211_local *local,
743                                    struct ieee80211_sub_if_data *sdata,
744                                    enum ieee80211_ampdu_mlme_action action,
745                                    struct ieee80211_sta *sta, u16 tid,
746                                    u16 *ssn, u8 buf_size)
747 {
748         int ret = -EOPNOTSUPP;
749
750         might_sleep();
751
752         sdata = get_bss_sdata(sdata);
753         if (!check_sdata_in_driver(sdata))
754                 return -EIO;
755
756         trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, buf_size);
757
758         if (local->ops->ampdu_action)
759                 ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
760                                                sta, tid, ssn, buf_size);
761
762         trace_drv_return_int(local, ret);
763
764         return ret;
765 }
766
767 static inline int drv_get_survey(struct ieee80211_local *local, int idx,
768                                 struct survey_info *survey)
769 {
770         int ret = -EOPNOTSUPP;
771
772         trace_drv_get_survey(local, idx, survey);
773
774         if (local->ops->get_survey)
775                 ret = local->ops->get_survey(&local->hw, idx, survey);
776
777         trace_drv_return_int(local, ret);
778
779         return ret;
780 }
781
782 static inline void drv_rfkill_poll(struct ieee80211_local *local)
783 {
784         might_sleep();
785
786         if (local->ops->rfkill_poll)
787                 local->ops->rfkill_poll(&local->hw);
788 }
789
790 static inline void drv_flush(struct ieee80211_local *local,
791                              struct ieee80211_sub_if_data *sdata,
792                              u32 queues, bool drop)
793 {
794         struct ieee80211_vif *vif = sdata ? &sdata->vif : NULL;
795
796         might_sleep();
797
798         if (sdata && !check_sdata_in_driver(sdata))
799                 return;
800
801         trace_drv_flush(local, queues, drop);
802         if (local->ops->flush)
803                 local->ops->flush(&local->hw, vif, queues, drop);
804         trace_drv_return_void(local);
805 }
806
807 static inline void drv_channel_switch(struct ieee80211_local *local,
808                                       struct ieee80211_sub_if_data *sdata,
809                                       struct ieee80211_channel_switch *ch_switch)
810 {
811         might_sleep();
812
813         trace_drv_channel_switch(local, sdata, ch_switch);
814         local->ops->channel_switch(&local->hw, &sdata->vif, ch_switch);
815         trace_drv_return_void(local);
816 }
817
818
819 static inline int drv_set_antenna(struct ieee80211_local *local,
820                                   u32 tx_ant, u32 rx_ant)
821 {
822         int ret = -EOPNOTSUPP;
823         might_sleep();
824         if (local->ops->set_antenna)
825                 ret = local->ops->set_antenna(&local->hw, tx_ant, rx_ant);
826         trace_drv_set_antenna(local, tx_ant, rx_ant, ret);
827         return ret;
828 }
829
830 static inline int drv_get_antenna(struct ieee80211_local *local,
831                                   u32 *tx_ant, u32 *rx_ant)
832 {
833         int ret = -EOPNOTSUPP;
834         might_sleep();
835         if (local->ops->get_antenna)
836                 ret = local->ops->get_antenna(&local->hw, tx_ant, rx_ant);
837         trace_drv_get_antenna(local, *tx_ant, *rx_ant, ret);
838         return ret;
839 }
840
841 static inline int drv_remain_on_channel(struct ieee80211_local *local,
842                                         struct ieee80211_sub_if_data *sdata,
843                                         struct ieee80211_channel *chan,
844                                         unsigned int duration,
845                                         enum ieee80211_roc_type type)
846 {
847         int ret;
848
849         might_sleep();
850
851         trace_drv_remain_on_channel(local, sdata, chan, duration, type);
852         ret = local->ops->remain_on_channel(&local->hw, &sdata->vif,
853                                             chan, duration, type);
854         trace_drv_return_int(local, ret);
855
856         return ret;
857 }
858
859 static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local)
860 {
861         int ret;
862
863         might_sleep();
864
865         trace_drv_cancel_remain_on_channel(local);
866         ret = local->ops->cancel_remain_on_channel(&local->hw);
867         trace_drv_return_int(local, ret);
868
869         return ret;
870 }
871
872 static inline int drv_set_ringparam(struct ieee80211_local *local,
873                                     u32 tx, u32 rx)
874 {
875         int ret = -ENOTSUPP;
876
877         might_sleep();
878
879         trace_drv_set_ringparam(local, tx, rx);
880         if (local->ops->set_ringparam)
881                 ret = local->ops->set_ringparam(&local->hw, tx, rx);
882         trace_drv_return_int(local, ret);
883
884         return ret;
885 }
886
887 static inline void drv_get_ringparam(struct ieee80211_local *local,
888                                      u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
889 {
890         might_sleep();
891
892         trace_drv_get_ringparam(local, tx, tx_max, rx, rx_max);
893         if (local->ops->get_ringparam)
894                 local->ops->get_ringparam(&local->hw, tx, tx_max, rx, rx_max);
895         trace_drv_return_void(local);
896 }
897
898 static inline bool drv_tx_frames_pending(struct ieee80211_local *local)
899 {
900         bool ret = false;
901
902         might_sleep();
903
904         trace_drv_tx_frames_pending(local);
905         if (local->ops->tx_frames_pending)
906                 ret = local->ops->tx_frames_pending(&local->hw);
907         trace_drv_return_bool(local, ret);
908
909         return ret;
910 }
911
912 static inline int drv_set_bitrate_mask(struct ieee80211_local *local,
913                                        struct ieee80211_sub_if_data *sdata,
914                                        const struct cfg80211_bitrate_mask *mask)
915 {
916         int ret = -EOPNOTSUPP;
917
918         might_sleep();
919
920         if (!check_sdata_in_driver(sdata))
921                 return -EIO;
922
923         trace_drv_set_bitrate_mask(local, sdata, mask);
924         if (local->ops->set_bitrate_mask)
925                 ret = local->ops->set_bitrate_mask(&local->hw,
926                                                    &sdata->vif, mask);
927         trace_drv_return_int(local, ret);
928
929         return ret;
930 }
931
932 static inline void drv_set_rekey_data(struct ieee80211_local *local,
933                                       struct ieee80211_sub_if_data *sdata,
934                                       struct cfg80211_gtk_rekey_data *data)
935 {
936         if (!check_sdata_in_driver(sdata))
937                 return;
938
939         trace_drv_set_rekey_data(local, sdata, data);
940         if (local->ops->set_rekey_data)
941                 local->ops->set_rekey_data(&local->hw, &sdata->vif, data);
942         trace_drv_return_void(local);
943 }
944
945 static inline void drv_event_callback(struct ieee80211_local *local,
946                                       struct ieee80211_sub_if_data *sdata,
947                                       const struct ieee80211_event *event)
948 {
949         trace_drv_event_callback(local, sdata, event);
950         if (local->ops->event_callback)
951                 local->ops->event_callback(&local->hw, &sdata->vif, event);
952         trace_drv_return_void(local);
953 }
954
955 static inline void
956 drv_release_buffered_frames(struct ieee80211_local *local,
957                             struct sta_info *sta, u16 tids, int num_frames,
958                             enum ieee80211_frame_release_type reason,
959                             bool more_data)
960 {
961         trace_drv_release_buffered_frames(local, &sta->sta, tids, num_frames,
962                                           reason, more_data);
963         if (local->ops->release_buffered_frames)
964                 local->ops->release_buffered_frames(&local->hw, &sta->sta, tids,
965                                                     num_frames, reason,
966                                                     more_data);
967         trace_drv_return_void(local);
968 }
969
970 static inline void
971 drv_allow_buffered_frames(struct ieee80211_local *local,
972                           struct sta_info *sta, u16 tids, int num_frames,
973                           enum ieee80211_frame_release_type reason,
974                           bool more_data)
975 {
976         trace_drv_allow_buffered_frames(local, &sta->sta, tids, num_frames,
977                                         reason, more_data);
978         if (local->ops->allow_buffered_frames)
979                 local->ops->allow_buffered_frames(&local->hw, &sta->sta,
980                                                   tids, num_frames, reason,
981                                                   more_data);
982         trace_drv_return_void(local);
983 }
984
985 static inline void drv_mgd_prepare_tx(struct ieee80211_local *local,
986                                       struct ieee80211_sub_if_data *sdata)
987 {
988         might_sleep();
989
990         if (!check_sdata_in_driver(sdata))
991                 return;
992         WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION);
993
994         trace_drv_mgd_prepare_tx(local, sdata);
995         if (local->ops->mgd_prepare_tx)
996                 local->ops->mgd_prepare_tx(&local->hw, &sdata->vif);
997         trace_drv_return_void(local);
998 }
999
1000 static inline void
1001 drv_mgd_protect_tdls_discover(struct ieee80211_local *local,
1002                               struct ieee80211_sub_if_data *sdata)
1003 {
1004         might_sleep();
1005
1006         if (!check_sdata_in_driver(sdata))
1007                 return;
1008         WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION);
1009
1010         trace_drv_mgd_protect_tdls_discover(local, sdata);
1011         if (local->ops->mgd_protect_tdls_discover)
1012                 local->ops->mgd_protect_tdls_discover(&local->hw, &sdata->vif);
1013         trace_drv_return_void(local);
1014 }
1015
1016 static inline int drv_add_chanctx(struct ieee80211_local *local,
1017                                   struct ieee80211_chanctx *ctx)
1018 {
1019         int ret = -EOPNOTSUPP;
1020
1021         trace_drv_add_chanctx(local, ctx);
1022         if (local->ops->add_chanctx)
1023                 ret = local->ops->add_chanctx(&local->hw, &ctx->conf);
1024         trace_drv_return_int(local, ret);
1025         if (!ret)
1026                 ctx->driver_present = true;
1027
1028         return ret;
1029 }
1030
1031 static inline void drv_remove_chanctx(struct ieee80211_local *local,
1032                                       struct ieee80211_chanctx *ctx)
1033 {
1034         if (WARN_ON(!ctx->driver_present))
1035                 return;
1036
1037         trace_drv_remove_chanctx(local, ctx);
1038         if (local->ops->remove_chanctx)
1039                 local->ops->remove_chanctx(&local->hw, &ctx->conf);
1040         trace_drv_return_void(local);
1041         ctx->driver_present = false;
1042 }
1043
1044 static inline void drv_change_chanctx(struct ieee80211_local *local,
1045                                       struct ieee80211_chanctx *ctx,
1046                                       u32 changed)
1047 {
1048         trace_drv_change_chanctx(local, ctx, changed);
1049         if (local->ops->change_chanctx) {
1050                 WARN_ON_ONCE(!ctx->driver_present);
1051                 local->ops->change_chanctx(&local->hw, &ctx->conf, changed);
1052         }
1053         trace_drv_return_void(local);
1054 }
1055
1056 static inline int drv_assign_vif_chanctx(struct ieee80211_local *local,
1057                                          struct ieee80211_sub_if_data *sdata,
1058                                          struct ieee80211_chanctx *ctx)
1059 {
1060         int ret = 0;
1061
1062         if (!check_sdata_in_driver(sdata))
1063                 return -EIO;
1064
1065         trace_drv_assign_vif_chanctx(local, sdata, ctx);
1066         if (local->ops->assign_vif_chanctx) {
1067                 WARN_ON_ONCE(!ctx->driver_present);
1068                 ret = local->ops->assign_vif_chanctx(&local->hw,
1069                                                      &sdata->vif,
1070                                                      &ctx->conf);
1071         }
1072         trace_drv_return_int(local, ret);
1073
1074         return ret;
1075 }
1076
1077 static inline void drv_unassign_vif_chanctx(struct ieee80211_local *local,
1078                                             struct ieee80211_sub_if_data *sdata,
1079                                             struct ieee80211_chanctx *ctx)
1080 {
1081         if (!check_sdata_in_driver(sdata))
1082                 return;
1083
1084         trace_drv_unassign_vif_chanctx(local, sdata, ctx);
1085         if (local->ops->unassign_vif_chanctx) {
1086                 WARN_ON_ONCE(!ctx->driver_present);
1087                 local->ops->unassign_vif_chanctx(&local->hw,
1088                                                  &sdata->vif,
1089                                                  &ctx->conf);
1090         }
1091         trace_drv_return_void(local);
1092 }
1093
1094 static inline int
1095 drv_switch_vif_chanctx(struct ieee80211_local *local,
1096                        struct ieee80211_vif_chanctx_switch *vifs,
1097                        int n_vifs,
1098                        enum ieee80211_chanctx_switch_mode mode)
1099 {
1100         int ret = 0;
1101         int i;
1102
1103         if (!local->ops->switch_vif_chanctx)
1104                 return -EOPNOTSUPP;
1105
1106         for (i = 0; i < n_vifs; i++) {
1107                 struct ieee80211_chanctx *new_ctx =
1108                         container_of(vifs[i].new_ctx,
1109                                      struct ieee80211_chanctx,
1110                                      conf);
1111                 struct ieee80211_chanctx *old_ctx =
1112                         container_of(vifs[i].old_ctx,
1113                                      struct ieee80211_chanctx,
1114                                      conf);
1115
1116                 WARN_ON_ONCE(!old_ctx->driver_present);
1117                 WARN_ON_ONCE((mode == CHANCTX_SWMODE_SWAP_CONTEXTS &&
1118                               new_ctx->driver_present) ||
1119                              (mode == CHANCTX_SWMODE_REASSIGN_VIF &&
1120                               !new_ctx->driver_present));
1121         }
1122
1123         trace_drv_switch_vif_chanctx(local, vifs, n_vifs, mode);
1124         ret = local->ops->switch_vif_chanctx(&local->hw,
1125                                              vifs, n_vifs, mode);
1126         trace_drv_return_int(local, ret);
1127
1128         if (!ret && mode == CHANCTX_SWMODE_SWAP_CONTEXTS) {
1129                 for (i = 0; i < n_vifs; i++) {
1130                         struct ieee80211_chanctx *new_ctx =
1131                                 container_of(vifs[i].new_ctx,
1132                                              struct ieee80211_chanctx,
1133                                              conf);
1134                         struct ieee80211_chanctx *old_ctx =
1135                                 container_of(vifs[i].old_ctx,
1136                                              struct ieee80211_chanctx,
1137                                              conf);
1138
1139                         new_ctx->driver_present = true;
1140                         old_ctx->driver_present = false;
1141                 }
1142         }
1143
1144         return ret;
1145 }
1146
1147 static inline int drv_start_ap(struct ieee80211_local *local,
1148                                struct ieee80211_sub_if_data *sdata)
1149 {
1150         int ret = 0;
1151
1152         if (!check_sdata_in_driver(sdata))
1153                 return -EIO;
1154
1155         trace_drv_start_ap(local, sdata, &sdata->vif.bss_conf);
1156         if (local->ops->start_ap)
1157                 ret = local->ops->start_ap(&local->hw, &sdata->vif);
1158         trace_drv_return_int(local, ret);
1159         return ret;
1160 }
1161
1162 static inline void drv_stop_ap(struct ieee80211_local *local,
1163                                struct ieee80211_sub_if_data *sdata)
1164 {
1165         if (!check_sdata_in_driver(sdata))
1166                 return;
1167
1168         trace_drv_stop_ap(local, sdata);
1169         if (local->ops->stop_ap)
1170                 local->ops->stop_ap(&local->hw, &sdata->vif);
1171         trace_drv_return_void(local);
1172 }
1173
1174 static inline void
1175 drv_reconfig_complete(struct ieee80211_local *local,
1176                       enum ieee80211_reconfig_type reconfig_type)
1177 {
1178         might_sleep();
1179
1180         trace_drv_reconfig_complete(local, reconfig_type);
1181         if (local->ops->reconfig_complete)
1182                 local->ops->reconfig_complete(&local->hw, reconfig_type);
1183         trace_drv_return_void(local);
1184 }
1185
1186 static inline void
1187 drv_set_default_unicast_key(struct ieee80211_local *local,
1188                             struct ieee80211_sub_if_data *sdata,
1189                             int key_idx)
1190 {
1191         if (!check_sdata_in_driver(sdata))
1192                 return;
1193
1194         WARN_ON_ONCE(key_idx < -1 || key_idx > 3);
1195
1196         trace_drv_set_default_unicast_key(local, sdata, key_idx);
1197         if (local->ops->set_default_unicast_key)
1198                 local->ops->set_default_unicast_key(&local->hw, &sdata->vif,
1199                                                     key_idx);
1200         trace_drv_return_void(local);
1201 }
1202
1203 #if IS_ENABLED(CONFIG_IPV6)
1204 static inline void drv_ipv6_addr_change(struct ieee80211_local *local,
1205                                         struct ieee80211_sub_if_data *sdata,
1206                                         struct inet6_dev *idev)
1207 {
1208         trace_drv_ipv6_addr_change(local, sdata);
1209         if (local->ops->ipv6_addr_change)
1210                 local->ops->ipv6_addr_change(&local->hw, &sdata->vif, idev);
1211         trace_drv_return_void(local);
1212 }
1213 #endif
1214
1215 static inline void
1216 drv_channel_switch_beacon(struct ieee80211_sub_if_data *sdata,
1217                           struct cfg80211_chan_def *chandef)
1218 {
1219         struct ieee80211_local *local = sdata->local;
1220
1221         if (local->ops->channel_switch_beacon) {
1222                 trace_drv_channel_switch_beacon(local, sdata, chandef);
1223                 local->ops->channel_switch_beacon(&local->hw, &sdata->vif,
1224                                                   chandef);
1225         }
1226 }
1227
1228 static inline int
1229 drv_pre_channel_switch(struct ieee80211_sub_if_data *sdata,
1230                        struct ieee80211_channel_switch *ch_switch)
1231 {
1232         struct ieee80211_local *local = sdata->local;
1233         int ret = 0;
1234
1235         if (!check_sdata_in_driver(sdata))
1236                 return -EIO;
1237
1238         trace_drv_pre_channel_switch(local, sdata, ch_switch);
1239         if (local->ops->pre_channel_switch)
1240                 ret = local->ops->pre_channel_switch(&local->hw, &sdata->vif,
1241                                                      ch_switch);
1242         trace_drv_return_int(local, ret);
1243         return ret;
1244 }
1245
1246 static inline int
1247 drv_post_channel_switch(struct ieee80211_sub_if_data *sdata)
1248 {
1249         struct ieee80211_local *local = sdata->local;
1250         int ret = 0;
1251
1252         if (!check_sdata_in_driver(sdata))
1253                 return -EIO;
1254
1255         trace_drv_post_channel_switch(local, sdata);
1256         if (local->ops->post_channel_switch)
1257                 ret = local->ops->post_channel_switch(&local->hw, &sdata->vif);
1258         trace_drv_return_int(local, ret);
1259         return ret;
1260 }
1261
1262 static inline int drv_join_ibss(struct ieee80211_local *local,
1263                                 struct ieee80211_sub_if_data *sdata)
1264 {
1265         int ret = 0;
1266
1267         might_sleep();
1268         if (!check_sdata_in_driver(sdata))
1269                 return -EIO;
1270
1271         trace_drv_join_ibss(local, sdata, &sdata->vif.bss_conf);
1272         if (local->ops->join_ibss)
1273                 ret = local->ops->join_ibss(&local->hw, &sdata->vif);
1274         trace_drv_return_int(local, ret);
1275         return ret;
1276 }
1277
1278 static inline void drv_leave_ibss(struct ieee80211_local *local,
1279                                   struct ieee80211_sub_if_data *sdata)
1280 {
1281         might_sleep();
1282         if (!check_sdata_in_driver(sdata))
1283                 return;
1284
1285         trace_drv_leave_ibss(local, sdata);
1286         if (local->ops->leave_ibss)
1287                 local->ops->leave_ibss(&local->hw, &sdata->vif);
1288         trace_drv_return_void(local);
1289 }
1290
1291 static inline u32 drv_get_expected_throughput(struct ieee80211_local *local,
1292                                               struct ieee80211_sta *sta)
1293 {
1294         u32 ret = 0;
1295
1296         trace_drv_get_expected_throughput(sta);
1297         if (local->ops->get_expected_throughput)
1298                 ret = local->ops->get_expected_throughput(sta);
1299         trace_drv_return_u32(local, ret);
1300
1301         return ret;
1302 }
1303
1304 static inline int drv_get_txpower(struct ieee80211_local *local,
1305                                   struct ieee80211_sub_if_data *sdata, int *dbm)
1306 {
1307         int ret;
1308
1309         if (!local->ops->get_txpower)
1310                 return -EOPNOTSUPP;
1311
1312         ret = local->ops->get_txpower(&local->hw, &sdata->vif, dbm);
1313         trace_drv_get_txpower(local, sdata, *dbm, ret);
1314
1315         return ret;
1316 }
1317
1318 static inline int
1319 drv_tdls_channel_switch(struct ieee80211_local *local,
1320                         struct ieee80211_sub_if_data *sdata,
1321                         struct ieee80211_sta *sta, u8 oper_class,
1322                         struct cfg80211_chan_def *chandef,
1323                         struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie)
1324 {
1325         int ret;
1326
1327         might_sleep();
1328         if (!check_sdata_in_driver(sdata))
1329                 return -EIO;
1330
1331         if (!local->ops->tdls_channel_switch)
1332                 return -EOPNOTSUPP;
1333
1334         trace_drv_tdls_channel_switch(local, sdata, sta, oper_class, chandef);
1335         ret = local->ops->tdls_channel_switch(&local->hw, &sdata->vif, sta,
1336                                               oper_class, chandef, tmpl_skb,
1337                                               ch_sw_tm_ie);
1338         trace_drv_return_int(local, ret);
1339         return ret;
1340 }
1341
1342 static inline void
1343 drv_tdls_cancel_channel_switch(struct ieee80211_local *local,
1344                                struct ieee80211_sub_if_data *sdata,
1345                                struct ieee80211_sta *sta)
1346 {
1347         might_sleep();
1348         if (!check_sdata_in_driver(sdata))
1349                 return;
1350
1351         if (!local->ops->tdls_cancel_channel_switch)
1352                 return;
1353
1354         trace_drv_tdls_cancel_channel_switch(local, sdata, sta);
1355         local->ops->tdls_cancel_channel_switch(&local->hw, &sdata->vif, sta);
1356         trace_drv_return_void(local);
1357 }
1358
1359 static inline void
1360 drv_tdls_recv_channel_switch(struct ieee80211_local *local,
1361                              struct ieee80211_sub_if_data *sdata,
1362                              struct ieee80211_tdls_ch_sw_params *params)
1363 {
1364         trace_drv_tdls_recv_channel_switch(local, sdata, params);
1365         if (local->ops->tdls_recv_channel_switch)
1366                 local->ops->tdls_recv_channel_switch(&local->hw, &sdata->vif,
1367                                                      params);
1368         trace_drv_return_void(local);
1369 }
1370
1371 static inline void drv_wake_tx_queue(struct ieee80211_local *local,
1372                                      struct txq_info *txq)
1373 {
1374         struct ieee80211_sub_if_data *sdata = vif_to_sdata(txq->txq.vif);
1375
1376         if (!check_sdata_in_driver(sdata))
1377                 return;
1378
1379         trace_drv_wake_tx_queue(local, sdata, txq);
1380         local->ops->wake_tx_queue(&local->hw, &txq->txq);
1381 }
1382
1383 #endif /* __MAC80211_DRIVER_OPS */