Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
[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 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                      !(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         check_sdata_in_driver(sdata);
172
173         trace_drv_change_interface(local, sdata, type, p2p);
174         ret = local->ops->change_interface(&local->hw, &sdata->vif, type, p2p);
175         trace_drv_return_int(local, ret);
176         return ret;
177 }
178
179 static inline void drv_remove_interface(struct ieee80211_local *local,
180                                         struct ieee80211_sub_if_data *sdata)
181 {
182         might_sleep();
183
184         check_sdata_in_driver(sdata);
185
186         trace_drv_remove_interface(local, sdata);
187         local->ops->remove_interface(&local->hw, &sdata->vif);
188         sdata->flags &= ~IEEE80211_SDATA_IN_DRIVER;
189         trace_drv_return_void(local);
190 }
191
192 static inline int drv_config(struct ieee80211_local *local, u32 changed)
193 {
194         int ret;
195
196         might_sleep();
197
198         trace_drv_config(local, changed);
199         ret = local->ops->config(&local->hw, changed);
200         trace_drv_return_int(local, ret);
201         return ret;
202 }
203
204 static inline void drv_bss_info_changed(struct ieee80211_local *local,
205                                         struct ieee80211_sub_if_data *sdata,
206                                         struct ieee80211_bss_conf *info,
207                                         u32 changed)
208 {
209         might_sleep();
210
211         if (WARN_ON_ONCE(changed & (BSS_CHANGED_BEACON |
212                                     BSS_CHANGED_BEACON_ENABLED) &&
213                          sdata->vif.type != NL80211_IFTYPE_AP &&
214                          sdata->vif.type != NL80211_IFTYPE_ADHOC &&
215                          sdata->vif.type != NL80211_IFTYPE_MESH_POINT))
216                 return;
217
218         if (WARN_ON_ONCE(sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE ||
219                          sdata->vif.type == NL80211_IFTYPE_MONITOR))
220                 return;
221
222         check_sdata_in_driver(sdata);
223
224         trace_drv_bss_info_changed(local, sdata, info, changed);
225         if (local->ops->bss_info_changed)
226                 local->ops->bss_info_changed(&local->hw, &sdata->vif, info, changed);
227         trace_drv_return_void(local);
228 }
229
230 static inline u64 drv_prepare_multicast(struct ieee80211_local *local,
231                                         struct netdev_hw_addr_list *mc_list)
232 {
233         u64 ret = 0;
234
235         trace_drv_prepare_multicast(local, mc_list->count);
236
237         if (local->ops->prepare_multicast)
238                 ret = local->ops->prepare_multicast(&local->hw, mc_list);
239
240         trace_drv_return_u64(local, ret);
241
242         return ret;
243 }
244
245 static inline void drv_configure_filter(struct ieee80211_local *local,
246                                         unsigned int changed_flags,
247                                         unsigned int *total_flags,
248                                         u64 multicast)
249 {
250         might_sleep();
251
252         trace_drv_configure_filter(local, changed_flags, total_flags,
253                                    multicast);
254         local->ops->configure_filter(&local->hw, changed_flags, total_flags,
255                                      multicast);
256         trace_drv_return_void(local);
257 }
258
259 static inline int drv_set_tim(struct ieee80211_local *local,
260                               struct ieee80211_sta *sta, bool set)
261 {
262         int ret = 0;
263         trace_drv_set_tim(local, sta, set);
264         if (local->ops->set_tim)
265                 ret = local->ops->set_tim(&local->hw, sta, set);
266         trace_drv_return_int(local, ret);
267         return ret;
268 }
269
270 static inline int drv_set_key(struct ieee80211_local *local,
271                               enum set_key_cmd cmd,
272                               struct ieee80211_sub_if_data *sdata,
273                               struct ieee80211_sta *sta,
274                               struct ieee80211_key_conf *key)
275 {
276         int ret;
277
278         might_sleep();
279
280         sdata = get_bss_sdata(sdata);
281         check_sdata_in_driver(sdata);
282
283         trace_drv_set_key(local, cmd, sdata, sta, key);
284         ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key);
285         trace_drv_return_int(local, ret);
286         return ret;
287 }
288
289 static inline void drv_update_tkip_key(struct ieee80211_local *local,
290                                        struct ieee80211_sub_if_data *sdata,
291                                        struct ieee80211_key_conf *conf,
292                                        struct sta_info *sta, u32 iv32,
293                                        u16 *phase1key)
294 {
295         struct ieee80211_sta *ista = NULL;
296
297         if (sta)
298                 ista = &sta->sta;
299
300         sdata = get_bss_sdata(sdata);
301         check_sdata_in_driver(sdata);
302
303         trace_drv_update_tkip_key(local, sdata, conf, ista, iv32);
304         if (local->ops->update_tkip_key)
305                 local->ops->update_tkip_key(&local->hw, &sdata->vif, conf,
306                                             ista, iv32, phase1key);
307         trace_drv_return_void(local);
308 }
309
310 static inline int drv_hw_scan(struct ieee80211_local *local,
311                               struct ieee80211_sub_if_data *sdata,
312                               struct cfg80211_scan_request *req)
313 {
314         int ret;
315
316         might_sleep();
317
318         check_sdata_in_driver(sdata);
319
320         trace_drv_hw_scan(local, sdata);
321         ret = local->ops->hw_scan(&local->hw, &sdata->vif, req);
322         trace_drv_return_int(local, ret);
323         return ret;
324 }
325
326 static inline void drv_cancel_hw_scan(struct ieee80211_local *local,
327                                       struct ieee80211_sub_if_data *sdata)
328 {
329         might_sleep();
330
331         check_sdata_in_driver(sdata);
332
333         trace_drv_cancel_hw_scan(local, sdata);
334         local->ops->cancel_hw_scan(&local->hw, &sdata->vif);
335         trace_drv_return_void(local);
336 }
337
338 static inline int
339 drv_sched_scan_start(struct ieee80211_local *local,
340                      struct ieee80211_sub_if_data *sdata,
341                      struct cfg80211_sched_scan_request *req,
342                      struct ieee80211_sched_scan_ies *ies)
343 {
344         int ret;
345
346         might_sleep();
347
348         check_sdata_in_driver(sdata);
349
350         trace_drv_sched_scan_start(local, sdata);
351         ret = local->ops->sched_scan_start(&local->hw, &sdata->vif,
352                                               req, ies);
353         trace_drv_return_int(local, ret);
354         return ret;
355 }
356
357 static inline int drv_sched_scan_stop(struct ieee80211_local *local,
358                                       struct ieee80211_sub_if_data *sdata)
359 {
360         int ret;
361
362         might_sleep();
363
364         check_sdata_in_driver(sdata);
365
366         trace_drv_sched_scan_stop(local, sdata);
367         ret = local->ops->sched_scan_stop(&local->hw, &sdata->vif);
368         trace_drv_return_int(local, ret);
369
370         return ret;
371 }
372
373 static inline void drv_sw_scan_start(struct ieee80211_local *local)
374 {
375         might_sleep();
376
377         trace_drv_sw_scan_start(local);
378         if (local->ops->sw_scan_start)
379                 local->ops->sw_scan_start(&local->hw);
380         trace_drv_return_void(local);
381 }
382
383 static inline void drv_sw_scan_complete(struct ieee80211_local *local)
384 {
385         might_sleep();
386
387         trace_drv_sw_scan_complete(local);
388         if (local->ops->sw_scan_complete)
389                 local->ops->sw_scan_complete(&local->hw);
390         trace_drv_return_void(local);
391 }
392
393 static inline int drv_get_stats(struct ieee80211_local *local,
394                                 struct ieee80211_low_level_stats *stats)
395 {
396         int ret = -EOPNOTSUPP;
397
398         might_sleep();
399
400         if (local->ops->get_stats)
401                 ret = local->ops->get_stats(&local->hw, stats);
402         trace_drv_get_stats(local, stats, ret);
403
404         return ret;
405 }
406
407 static inline void drv_get_tkip_seq(struct ieee80211_local *local,
408                                     u8 hw_key_idx, u32 *iv32, u16 *iv16)
409 {
410         if (local->ops->get_tkip_seq)
411                 local->ops->get_tkip_seq(&local->hw, hw_key_idx, iv32, iv16);
412         trace_drv_get_tkip_seq(local, hw_key_idx, iv32, iv16);
413 }
414
415 static inline int drv_set_frag_threshold(struct ieee80211_local *local,
416                                         u32 value)
417 {
418         int ret = 0;
419
420         might_sleep();
421
422         trace_drv_set_frag_threshold(local, value);
423         if (local->ops->set_frag_threshold)
424                 ret = local->ops->set_frag_threshold(&local->hw, value);
425         trace_drv_return_int(local, ret);
426         return ret;
427 }
428
429 static inline int drv_set_rts_threshold(struct ieee80211_local *local,
430                                         u32 value)
431 {
432         int ret = 0;
433
434         might_sleep();
435
436         trace_drv_set_rts_threshold(local, value);
437         if (local->ops->set_rts_threshold)
438                 ret = local->ops->set_rts_threshold(&local->hw, value);
439         trace_drv_return_int(local, ret);
440         return ret;
441 }
442
443 static inline int drv_set_coverage_class(struct ieee80211_local *local,
444                                          u8 value)
445 {
446         int ret = 0;
447         might_sleep();
448
449         trace_drv_set_coverage_class(local, value);
450         if (local->ops->set_coverage_class)
451                 local->ops->set_coverage_class(&local->hw, value);
452         else
453                 ret = -EOPNOTSUPP;
454
455         trace_drv_return_int(local, ret);
456         return ret;
457 }
458
459 static inline void drv_sta_notify(struct ieee80211_local *local,
460                                   struct ieee80211_sub_if_data *sdata,
461                                   enum sta_notify_cmd cmd,
462                                   struct ieee80211_sta *sta)
463 {
464         sdata = get_bss_sdata(sdata);
465         check_sdata_in_driver(sdata);
466
467         trace_drv_sta_notify(local, sdata, cmd, sta);
468         if (local->ops->sta_notify)
469                 local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta);
470         trace_drv_return_void(local);
471 }
472
473 static inline int drv_sta_add(struct ieee80211_local *local,
474                               struct ieee80211_sub_if_data *sdata,
475                               struct ieee80211_sta *sta)
476 {
477         int ret = 0;
478
479         might_sleep();
480
481         sdata = get_bss_sdata(sdata);
482         check_sdata_in_driver(sdata);
483
484         trace_drv_sta_add(local, sdata, sta);
485         if (local->ops->sta_add)
486                 ret = local->ops->sta_add(&local->hw, &sdata->vif, sta);
487
488         trace_drv_return_int(local, ret);
489
490         return ret;
491 }
492
493 static inline void drv_sta_remove(struct ieee80211_local *local,
494                                   struct ieee80211_sub_if_data *sdata,
495                                   struct ieee80211_sta *sta)
496 {
497         might_sleep();
498
499         sdata = get_bss_sdata(sdata);
500         check_sdata_in_driver(sdata);
501
502         trace_drv_sta_remove(local, sdata, sta);
503         if (local->ops->sta_remove)
504                 local->ops->sta_remove(&local->hw, &sdata->vif, sta);
505
506         trace_drv_return_void(local);
507 }
508
509 #ifdef CONFIG_MAC80211_DEBUGFS
510 static inline void drv_sta_add_debugfs(struct ieee80211_local *local,
511                                        struct ieee80211_sub_if_data *sdata,
512                                        struct ieee80211_sta *sta,
513                                        struct dentry *dir)
514 {
515         might_sleep();
516
517         sdata = get_bss_sdata(sdata);
518         check_sdata_in_driver(sdata);
519
520         if (local->ops->sta_add_debugfs)
521                 local->ops->sta_add_debugfs(&local->hw, &sdata->vif,
522                                             sta, dir);
523 }
524
525 static inline void drv_sta_remove_debugfs(struct ieee80211_local *local,
526                                           struct ieee80211_sub_if_data *sdata,
527                                           struct ieee80211_sta *sta,
528                                           struct dentry *dir)
529 {
530         might_sleep();
531
532         sdata = get_bss_sdata(sdata);
533         check_sdata_in_driver(sdata);
534
535         if (local->ops->sta_remove_debugfs)
536                 local->ops->sta_remove_debugfs(&local->hw, &sdata->vif,
537                                                sta, dir);
538 }
539 #endif
540
541 static inline void drv_sta_pre_rcu_remove(struct ieee80211_local *local,
542                                           struct ieee80211_sub_if_data *sdata,
543                                           struct sta_info *sta)
544 {
545         might_sleep();
546
547         sdata = get_bss_sdata(sdata);
548         check_sdata_in_driver(sdata);
549
550         trace_drv_sta_pre_rcu_remove(local, sdata, &sta->sta);
551         if (local->ops->sta_pre_rcu_remove)
552                 local->ops->sta_pre_rcu_remove(&local->hw, &sdata->vif,
553                                                &sta->sta);
554         trace_drv_return_void(local);
555 }
556
557 static inline __must_check
558 int drv_sta_state(struct ieee80211_local *local,
559                   struct ieee80211_sub_if_data *sdata,
560                   struct sta_info *sta,
561                   enum ieee80211_sta_state old_state,
562                   enum ieee80211_sta_state new_state)
563 {
564         int ret = 0;
565
566         might_sleep();
567
568         sdata = get_bss_sdata(sdata);
569         check_sdata_in_driver(sdata);
570
571         trace_drv_sta_state(local, sdata, &sta->sta, old_state, new_state);
572         if (local->ops->sta_state) {
573                 ret = local->ops->sta_state(&local->hw, &sdata->vif, &sta->sta,
574                                             old_state, new_state);
575         } else if (old_state == IEEE80211_STA_AUTH &&
576                    new_state == IEEE80211_STA_ASSOC) {
577                 ret = drv_sta_add(local, sdata, &sta->sta);
578                 if (ret == 0)
579                         sta->uploaded = true;
580         } else if (old_state == IEEE80211_STA_ASSOC &&
581                    new_state == IEEE80211_STA_AUTH) {
582                 drv_sta_remove(local, sdata, &sta->sta);
583         }
584         trace_drv_return_int(local, ret);
585         return ret;
586 }
587
588 static inline void drv_sta_rc_update(struct ieee80211_local *local,
589                                      struct ieee80211_sub_if_data *sdata,
590                                      struct ieee80211_sta *sta, u32 changed)
591 {
592         sdata = get_bss_sdata(sdata);
593         check_sdata_in_driver(sdata);
594
595         WARN_ON(changed & IEEE80211_RC_SUPP_RATES_CHANGED &&
596                 (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
597                  sdata->vif.type != NL80211_IFTYPE_MESH_POINT));
598
599         trace_drv_sta_rc_update(local, sdata, sta, changed);
600         if (local->ops->sta_rc_update)
601                 local->ops->sta_rc_update(&local->hw, &sdata->vif,
602                                           sta, changed);
603
604         trace_drv_return_void(local);
605 }
606
607 static inline int drv_conf_tx(struct ieee80211_local *local,
608                               struct ieee80211_sub_if_data *sdata, u16 ac,
609                               const struct ieee80211_tx_queue_params *params)
610 {
611         int ret = -EOPNOTSUPP;
612
613         might_sleep();
614
615         check_sdata_in_driver(sdata);
616
617         trace_drv_conf_tx(local, sdata, ac, params);
618         if (local->ops->conf_tx)
619                 ret = local->ops->conf_tx(&local->hw, &sdata->vif,
620                                           ac, params);
621         trace_drv_return_int(local, ret);
622         return ret;
623 }
624
625 static inline u64 drv_get_tsf(struct ieee80211_local *local,
626                               struct ieee80211_sub_if_data *sdata)
627 {
628         u64 ret = -1ULL;
629
630         might_sleep();
631
632         check_sdata_in_driver(sdata);
633
634         trace_drv_get_tsf(local, sdata);
635         if (local->ops->get_tsf)
636                 ret = local->ops->get_tsf(&local->hw, &sdata->vif);
637         trace_drv_return_u64(local, ret);
638         return ret;
639 }
640
641 static inline void drv_set_tsf(struct ieee80211_local *local,
642                                struct ieee80211_sub_if_data *sdata,
643                                u64 tsf)
644 {
645         might_sleep();
646
647         check_sdata_in_driver(sdata);
648
649         trace_drv_set_tsf(local, sdata, tsf);
650         if (local->ops->set_tsf)
651                 local->ops->set_tsf(&local->hw, &sdata->vif, tsf);
652         trace_drv_return_void(local);
653 }
654
655 static inline void drv_reset_tsf(struct ieee80211_local *local,
656                                  struct ieee80211_sub_if_data *sdata)
657 {
658         might_sleep();
659
660         check_sdata_in_driver(sdata);
661
662         trace_drv_reset_tsf(local, sdata);
663         if (local->ops->reset_tsf)
664                 local->ops->reset_tsf(&local->hw, &sdata->vif);
665         trace_drv_return_void(local);
666 }
667
668 static inline int drv_tx_last_beacon(struct ieee80211_local *local)
669 {
670         int ret = 0; /* default unsupported op for less congestion */
671
672         might_sleep();
673
674         trace_drv_tx_last_beacon(local);
675         if (local->ops->tx_last_beacon)
676                 ret = local->ops->tx_last_beacon(&local->hw);
677         trace_drv_return_int(local, ret);
678         return ret;
679 }
680
681 static inline int drv_ampdu_action(struct ieee80211_local *local,
682                                    struct ieee80211_sub_if_data *sdata,
683                                    enum ieee80211_ampdu_mlme_action action,
684                                    struct ieee80211_sta *sta, u16 tid,
685                                    u16 *ssn, u8 buf_size)
686 {
687         int ret = -EOPNOTSUPP;
688
689         might_sleep();
690
691         sdata = get_bss_sdata(sdata);
692         check_sdata_in_driver(sdata);
693
694         trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, buf_size);
695
696         if (local->ops->ampdu_action)
697                 ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
698                                                sta, tid, ssn, buf_size);
699
700         trace_drv_return_int(local, ret);
701
702         return ret;
703 }
704
705 static inline int drv_get_survey(struct ieee80211_local *local, int idx,
706                                 struct survey_info *survey)
707 {
708         int ret = -EOPNOTSUPP;
709
710         trace_drv_get_survey(local, idx, survey);
711
712         if (local->ops->get_survey)
713                 ret = local->ops->get_survey(&local->hw, idx, survey);
714
715         trace_drv_return_int(local, ret);
716
717         return ret;
718 }
719
720 static inline void drv_rfkill_poll(struct ieee80211_local *local)
721 {
722         might_sleep();
723
724         if (local->ops->rfkill_poll)
725                 local->ops->rfkill_poll(&local->hw);
726 }
727
728 static inline void drv_flush(struct ieee80211_local *local,
729                              struct ieee80211_sub_if_data *sdata,
730                              u32 queues, bool drop)
731 {
732         struct ieee80211_vif *vif = sdata ? &sdata->vif : NULL;
733
734         might_sleep();
735
736         if (sdata)
737                 check_sdata_in_driver(sdata);
738
739         trace_drv_flush(local, queues, drop);
740         if (local->ops->flush)
741                 local->ops->flush(&local->hw, vif, queues, drop);
742         trace_drv_return_void(local);
743 }
744
745 static inline void drv_channel_switch(struct ieee80211_local *local,
746                                      struct ieee80211_channel_switch *ch_switch)
747 {
748         might_sleep();
749
750         trace_drv_channel_switch(local, ch_switch);
751         local->ops->channel_switch(&local->hw, ch_switch);
752         trace_drv_return_void(local);
753 }
754
755
756 static inline int drv_set_antenna(struct ieee80211_local *local,
757                                   u32 tx_ant, u32 rx_ant)
758 {
759         int ret = -EOPNOTSUPP;
760         might_sleep();
761         if (local->ops->set_antenna)
762                 ret = local->ops->set_antenna(&local->hw, tx_ant, rx_ant);
763         trace_drv_set_antenna(local, tx_ant, rx_ant, ret);
764         return ret;
765 }
766
767 static inline int drv_get_antenna(struct ieee80211_local *local,
768                                   u32 *tx_ant, u32 *rx_ant)
769 {
770         int ret = -EOPNOTSUPP;
771         might_sleep();
772         if (local->ops->get_antenna)
773                 ret = local->ops->get_antenna(&local->hw, tx_ant, rx_ant);
774         trace_drv_get_antenna(local, *tx_ant, *rx_ant, ret);
775         return ret;
776 }
777
778 static inline int drv_remain_on_channel(struct ieee80211_local *local,
779                                         struct ieee80211_sub_if_data *sdata,
780                                         struct ieee80211_channel *chan,
781                                         unsigned int duration,
782                                         enum ieee80211_roc_type type)
783 {
784         int ret;
785
786         might_sleep();
787
788         trace_drv_remain_on_channel(local, sdata, chan, duration, type);
789         ret = local->ops->remain_on_channel(&local->hw, &sdata->vif,
790                                             chan, duration, type);
791         trace_drv_return_int(local, ret);
792
793         return ret;
794 }
795
796 static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local)
797 {
798         int ret;
799
800         might_sleep();
801
802         trace_drv_cancel_remain_on_channel(local);
803         ret = local->ops->cancel_remain_on_channel(&local->hw);
804         trace_drv_return_int(local, ret);
805
806         return ret;
807 }
808
809 static inline int drv_set_ringparam(struct ieee80211_local *local,
810                                     u32 tx, u32 rx)
811 {
812         int ret = -ENOTSUPP;
813
814         might_sleep();
815
816         trace_drv_set_ringparam(local, tx, rx);
817         if (local->ops->set_ringparam)
818                 ret = local->ops->set_ringparam(&local->hw, tx, rx);
819         trace_drv_return_int(local, ret);
820
821         return ret;
822 }
823
824 static inline void drv_get_ringparam(struct ieee80211_local *local,
825                                      u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
826 {
827         might_sleep();
828
829         trace_drv_get_ringparam(local, tx, tx_max, rx, rx_max);
830         if (local->ops->get_ringparam)
831                 local->ops->get_ringparam(&local->hw, tx, tx_max, rx, rx_max);
832         trace_drv_return_void(local);
833 }
834
835 static inline bool drv_tx_frames_pending(struct ieee80211_local *local)
836 {
837         bool ret = false;
838
839         might_sleep();
840
841         trace_drv_tx_frames_pending(local);
842         if (local->ops->tx_frames_pending)
843                 ret = local->ops->tx_frames_pending(&local->hw);
844         trace_drv_return_bool(local, ret);
845
846         return ret;
847 }
848
849 static inline int drv_set_bitrate_mask(struct ieee80211_local *local,
850                                        struct ieee80211_sub_if_data *sdata,
851                                        const struct cfg80211_bitrate_mask *mask)
852 {
853         int ret = -EOPNOTSUPP;
854
855         might_sleep();
856
857         check_sdata_in_driver(sdata);
858
859         trace_drv_set_bitrate_mask(local, sdata, mask);
860         if (local->ops->set_bitrate_mask)
861                 ret = local->ops->set_bitrate_mask(&local->hw,
862                                                    &sdata->vif, mask);
863         trace_drv_return_int(local, ret);
864
865         return ret;
866 }
867
868 static inline void drv_set_rekey_data(struct ieee80211_local *local,
869                                       struct ieee80211_sub_if_data *sdata,
870                                       struct cfg80211_gtk_rekey_data *data)
871 {
872         check_sdata_in_driver(sdata);
873
874         trace_drv_set_rekey_data(local, sdata, data);
875         if (local->ops->set_rekey_data)
876                 local->ops->set_rekey_data(&local->hw, &sdata->vif, data);
877         trace_drv_return_void(local);
878 }
879
880 static inline void drv_rssi_callback(struct ieee80211_local *local,
881                                      struct ieee80211_sub_if_data *sdata,
882                                      const enum ieee80211_rssi_event event)
883 {
884         trace_drv_rssi_callback(local, sdata, event);
885         if (local->ops->rssi_callback)
886                 local->ops->rssi_callback(&local->hw, &sdata->vif, event);
887         trace_drv_return_void(local);
888 }
889
890 static inline void
891 drv_release_buffered_frames(struct ieee80211_local *local,
892                             struct sta_info *sta, u16 tids, int num_frames,
893                             enum ieee80211_frame_release_type reason,
894                             bool more_data)
895 {
896         trace_drv_release_buffered_frames(local, &sta->sta, tids, num_frames,
897                                           reason, more_data);
898         if (local->ops->release_buffered_frames)
899                 local->ops->release_buffered_frames(&local->hw, &sta->sta, tids,
900                                                     num_frames, reason,
901                                                     more_data);
902         trace_drv_return_void(local);
903 }
904
905 static inline void
906 drv_allow_buffered_frames(struct ieee80211_local *local,
907                           struct sta_info *sta, u16 tids, int num_frames,
908                           enum ieee80211_frame_release_type reason,
909                           bool more_data)
910 {
911         trace_drv_allow_buffered_frames(local, &sta->sta, tids, num_frames,
912                                         reason, more_data);
913         if (local->ops->allow_buffered_frames)
914                 local->ops->allow_buffered_frames(&local->hw, &sta->sta,
915                                                   tids, num_frames, reason,
916                                                   more_data);
917         trace_drv_return_void(local);
918 }
919
920 static inline int drv_get_rssi(struct ieee80211_local *local,
921                                 struct ieee80211_sub_if_data *sdata,
922                                 struct ieee80211_sta *sta,
923                                 s8 *rssi_dbm)
924 {
925         int ret;
926
927         might_sleep();
928
929         ret = local->ops->get_rssi(&local->hw, &sdata->vif, sta, rssi_dbm);
930         trace_drv_get_rssi(local, sta, *rssi_dbm, ret);
931
932         return ret;
933 }
934
935 static inline void drv_mgd_prepare_tx(struct ieee80211_local *local,
936                                       struct ieee80211_sub_if_data *sdata)
937 {
938         might_sleep();
939
940         check_sdata_in_driver(sdata);
941         WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION);
942
943         trace_drv_mgd_prepare_tx(local, sdata);
944         if (local->ops->mgd_prepare_tx)
945                 local->ops->mgd_prepare_tx(&local->hw, &sdata->vif);
946         trace_drv_return_void(local);
947 }
948
949 static inline int drv_add_chanctx(struct ieee80211_local *local,
950                                   struct ieee80211_chanctx *ctx)
951 {
952         int ret = -EOPNOTSUPP;
953
954         trace_drv_add_chanctx(local, ctx);
955         if (local->ops->add_chanctx)
956                 ret = local->ops->add_chanctx(&local->hw, &ctx->conf);
957         trace_drv_return_int(local, ret);
958         if (!ret)
959                 ctx->driver_present = true;
960
961         return ret;
962 }
963
964 static inline void drv_remove_chanctx(struct ieee80211_local *local,
965                                       struct ieee80211_chanctx *ctx)
966 {
967         trace_drv_remove_chanctx(local, ctx);
968         if (local->ops->remove_chanctx)
969                 local->ops->remove_chanctx(&local->hw, &ctx->conf);
970         trace_drv_return_void(local);
971         ctx->driver_present = false;
972 }
973
974 static inline void drv_change_chanctx(struct ieee80211_local *local,
975                                       struct ieee80211_chanctx *ctx,
976                                       u32 changed)
977 {
978         trace_drv_change_chanctx(local, ctx, changed);
979         if (local->ops->change_chanctx) {
980                 WARN_ON_ONCE(!ctx->driver_present);
981                 local->ops->change_chanctx(&local->hw, &ctx->conf, changed);
982         }
983         trace_drv_return_void(local);
984 }
985
986 static inline int drv_assign_vif_chanctx(struct ieee80211_local *local,
987                                          struct ieee80211_sub_if_data *sdata,
988                                          struct ieee80211_chanctx *ctx)
989 {
990         int ret = 0;
991
992         check_sdata_in_driver(sdata);
993
994         trace_drv_assign_vif_chanctx(local, sdata, ctx);
995         if (local->ops->assign_vif_chanctx) {
996                 WARN_ON_ONCE(!ctx->driver_present);
997                 ret = local->ops->assign_vif_chanctx(&local->hw,
998                                                      &sdata->vif,
999                                                      &ctx->conf);
1000         }
1001         trace_drv_return_int(local, ret);
1002
1003         return ret;
1004 }
1005
1006 static inline void drv_unassign_vif_chanctx(struct ieee80211_local *local,
1007                                             struct ieee80211_sub_if_data *sdata,
1008                                             struct ieee80211_chanctx *ctx)
1009 {
1010         check_sdata_in_driver(sdata);
1011
1012         trace_drv_unassign_vif_chanctx(local, sdata, ctx);
1013         if (local->ops->unassign_vif_chanctx) {
1014                 WARN_ON_ONCE(!ctx->driver_present);
1015                 local->ops->unassign_vif_chanctx(&local->hw,
1016                                                  &sdata->vif,
1017                                                  &ctx->conf);
1018         }
1019         trace_drv_return_void(local);
1020 }
1021
1022 static inline int drv_start_ap(struct ieee80211_local *local,
1023                                struct ieee80211_sub_if_data *sdata)
1024 {
1025         int ret = 0;
1026
1027         check_sdata_in_driver(sdata);
1028
1029         trace_drv_start_ap(local, sdata, &sdata->vif.bss_conf);
1030         if (local->ops->start_ap)
1031                 ret = local->ops->start_ap(&local->hw, &sdata->vif);
1032         trace_drv_return_int(local, ret);
1033         return ret;
1034 }
1035
1036 static inline void drv_stop_ap(struct ieee80211_local *local,
1037                                struct ieee80211_sub_if_data *sdata)
1038 {
1039         check_sdata_in_driver(sdata);
1040
1041         trace_drv_stop_ap(local, sdata);
1042         if (local->ops->stop_ap)
1043                 local->ops->stop_ap(&local->hw, &sdata->vif);
1044         trace_drv_return_void(local);
1045 }
1046
1047 static inline void drv_restart_complete(struct ieee80211_local *local)
1048 {
1049         might_sleep();
1050
1051         trace_drv_restart_complete(local);
1052         if (local->ops->restart_complete)
1053                 local->ops->restart_complete(&local->hw);
1054         trace_drv_return_void(local);
1055 }
1056
1057 static inline void
1058 drv_set_default_unicast_key(struct ieee80211_local *local,
1059                             struct ieee80211_sub_if_data *sdata,
1060                             int key_idx)
1061 {
1062         check_sdata_in_driver(sdata);
1063
1064         WARN_ON_ONCE(key_idx < -1 || key_idx > 3);
1065
1066         trace_drv_set_default_unicast_key(local, sdata, key_idx);
1067         if (local->ops->set_default_unicast_key)
1068                 local->ops->set_default_unicast_key(&local->hw, &sdata->vif,
1069                                                     key_idx);
1070         trace_drv_return_void(local);
1071 }
1072
1073 #if IS_ENABLED(CONFIG_IPV6)
1074 static inline void drv_ipv6_addr_change(struct ieee80211_local *local,
1075                                         struct ieee80211_sub_if_data *sdata,
1076                                         struct inet6_dev *idev)
1077 {
1078         trace_drv_ipv6_addr_change(local, sdata);
1079         if (local->ops->ipv6_addr_change)
1080                 local->ops->ipv6_addr_change(&local->hw, &sdata->vif, idev);
1081         trace_drv_return_void(local);
1082 }
1083 #endif
1084
1085 static inline void
1086 drv_channel_switch_beacon(struct ieee80211_sub_if_data *sdata,
1087                           struct cfg80211_chan_def *chandef)
1088 {
1089         struct ieee80211_local *local = sdata->local;
1090
1091         if (local->ops->channel_switch_beacon) {
1092                 trace_drv_channel_switch_beacon(local, sdata, chandef);
1093                 local->ops->channel_switch_beacon(&local->hw, &sdata->vif,
1094                                                   chandef);
1095         }
1096 }
1097
1098 static inline int drv_join_ibss(struct ieee80211_local *local,
1099                                 struct ieee80211_sub_if_data *sdata)
1100 {
1101         int ret = 0;
1102
1103         might_sleep();
1104         check_sdata_in_driver(sdata);
1105
1106         trace_drv_join_ibss(local, sdata, &sdata->vif.bss_conf);
1107         if (local->ops->join_ibss)
1108                 ret = local->ops->join_ibss(&local->hw, &sdata->vif);
1109         trace_drv_return_int(local, ret);
1110         return ret;
1111 }
1112
1113 static inline void drv_leave_ibss(struct ieee80211_local *local,
1114                                   struct ieee80211_sub_if_data *sdata)
1115 {
1116         might_sleep();
1117         check_sdata_in_driver(sdata);
1118
1119         trace_drv_leave_ibss(local, sdata);
1120         if (local->ops->leave_ibss)
1121                 local->ops->leave_ibss(&local->hw, &sdata->vif);
1122         trace_drv_return_void(local);
1123 }
1124
1125 #endif /* __MAC80211_DRIVER_OPS */