mmc: dw_mmc: Override blk_settings with platdata on IDMAC
[linux-2.6.git] / net / mac80211 / driver-ops.h
blobaf4691fed6457e4df103d3e27332a01b9b304f66
1 #ifndef __MAC80211_DRIVER_OPS
2 #define __MAC80211_DRIVER_OPS
4 #include <net/mac80211.h>
5 #include "ieee80211_i.h"
6 #include "driver-trace.h"
8 static inline void check_sdata_in_driver(struct ieee80211_sub_if_data *sdata)
10 WARN_ON(!(sdata->flags & IEEE80211_SDATA_IN_DRIVER));
13 static inline struct ieee80211_sub_if_data *
14 get_bss_sdata(struct ieee80211_sub_if_data *sdata)
16 if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
17 sdata = container_of(sdata->bss, struct ieee80211_sub_if_data,
18 u.ap);
20 return sdata;
23 static inline void drv_tx(struct ieee80211_local *local, struct sk_buff *skb)
25 local->ops->tx(&local->hw, skb);
28 static inline void drv_tx_frags(struct ieee80211_local *local,
29 struct ieee80211_vif *vif,
30 struct ieee80211_sta *sta,
31 struct sk_buff_head *skbs)
33 local->ops->tx_frags(&local->hw, vif, sta, skbs);
36 static inline int drv_start(struct ieee80211_local *local)
38 int ret;
40 might_sleep();
42 trace_drv_start(local);
43 local->started = true;
44 smp_mb();
45 ret = local->ops->start(&local->hw);
46 trace_drv_return_int(local, ret);
47 return ret;
50 static inline void drv_stop(struct ieee80211_local *local)
52 might_sleep();
54 trace_drv_stop(local);
55 local->ops->stop(&local->hw);
56 trace_drv_return_void(local);
58 /* sync away all work on the tasklet before clearing started */
59 tasklet_disable(&local->tasklet);
60 tasklet_enable(&local->tasklet);
62 barrier();
64 local->started = false;
67 #ifdef CONFIG_PM
68 static inline int drv_suspend(struct ieee80211_local *local,
69 struct cfg80211_wowlan *wowlan)
71 int ret;
73 might_sleep();
75 trace_drv_suspend(local);
76 ret = local->ops->suspend(&local->hw, wowlan);
77 trace_drv_return_int(local, ret);
78 return ret;
81 static inline int drv_resume(struct ieee80211_local *local)
83 int ret;
85 might_sleep();
87 trace_drv_resume(local);
88 ret = local->ops->resume(&local->hw);
89 trace_drv_return_int(local, ret);
90 return ret;
92 #endif
94 static inline int drv_add_interface(struct ieee80211_local *local,
95 struct ieee80211_sub_if_data *sdata)
97 int ret;
99 might_sleep();
101 if (WARN_ON(sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
102 sdata->vif.type == NL80211_IFTYPE_MONITOR))
103 return -EINVAL;
105 trace_drv_add_interface(local, sdata);
106 ret = local->ops->add_interface(&local->hw, &sdata->vif);
107 trace_drv_return_int(local, ret);
109 if (ret == 0)
110 sdata->flags |= IEEE80211_SDATA_IN_DRIVER;
112 return ret;
115 static inline int drv_change_interface(struct ieee80211_local *local,
116 struct ieee80211_sub_if_data *sdata,
117 enum nl80211_iftype type, bool p2p)
119 int ret;
121 might_sleep();
123 check_sdata_in_driver(sdata);
125 trace_drv_change_interface(local, sdata, type, p2p);
126 ret = local->ops->change_interface(&local->hw, &sdata->vif, type, p2p);
127 trace_drv_return_int(local, ret);
128 return ret;
131 static inline void drv_remove_interface(struct ieee80211_local *local,
132 struct ieee80211_sub_if_data *sdata)
134 might_sleep();
136 check_sdata_in_driver(sdata);
138 trace_drv_remove_interface(local, sdata);
139 local->ops->remove_interface(&local->hw, &sdata->vif);
140 sdata->flags &= ~IEEE80211_SDATA_IN_DRIVER;
141 trace_drv_return_void(local);
144 static inline int drv_config(struct ieee80211_local *local, u32 changed)
146 int ret;
148 might_sleep();
150 trace_drv_config(local, changed);
151 ret = local->ops->config(&local->hw, changed);
152 trace_drv_return_int(local, ret);
153 return ret;
156 static inline void drv_bss_info_changed(struct ieee80211_local *local,
157 struct ieee80211_sub_if_data *sdata,
158 struct ieee80211_bss_conf *info,
159 u32 changed)
161 might_sleep();
163 check_sdata_in_driver(sdata);
165 trace_drv_bss_info_changed(local, sdata, info, changed);
166 if (local->ops->bss_info_changed)
167 local->ops->bss_info_changed(&local->hw, &sdata->vif, info, changed);
168 trace_drv_return_void(local);
171 static inline u64 drv_prepare_multicast(struct ieee80211_local *local,
172 struct netdev_hw_addr_list *mc_list)
174 u64 ret = 0;
176 trace_drv_prepare_multicast(local, mc_list->count);
178 if (local->ops->prepare_multicast)
179 ret = local->ops->prepare_multicast(&local->hw, mc_list);
181 trace_drv_return_u64(local, ret);
183 return ret;
186 static inline void drv_configure_filter(struct ieee80211_local *local,
187 unsigned int changed_flags,
188 unsigned int *total_flags,
189 u64 multicast)
191 might_sleep();
193 trace_drv_configure_filter(local, changed_flags, total_flags,
194 multicast);
195 local->ops->configure_filter(&local->hw, changed_flags, total_flags,
196 multicast);
197 trace_drv_return_void(local);
200 static inline int drv_set_tim(struct ieee80211_local *local,
201 struct ieee80211_sta *sta, bool set)
203 int ret = 0;
204 trace_drv_set_tim(local, sta, set);
205 if (local->ops->set_tim)
206 ret = local->ops->set_tim(&local->hw, sta, set);
207 trace_drv_return_int(local, ret);
208 return ret;
211 static inline int drv_set_key(struct ieee80211_local *local,
212 enum set_key_cmd cmd,
213 struct ieee80211_sub_if_data *sdata,
214 struct ieee80211_sta *sta,
215 struct ieee80211_key_conf *key)
217 int ret;
219 might_sleep();
221 sdata = get_bss_sdata(sdata);
222 check_sdata_in_driver(sdata);
224 trace_drv_set_key(local, cmd, sdata, sta, key);
225 ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key);
226 trace_drv_return_int(local, ret);
227 return ret;
230 static inline void drv_update_tkip_key(struct ieee80211_local *local,
231 struct ieee80211_sub_if_data *sdata,
232 struct ieee80211_key_conf *conf,
233 struct sta_info *sta, u32 iv32,
234 u16 *phase1key)
236 struct ieee80211_sta *ista = NULL;
238 if (sta)
239 ista = &sta->sta;
241 sdata = get_bss_sdata(sdata);
242 check_sdata_in_driver(sdata);
244 trace_drv_update_tkip_key(local, sdata, conf, ista, iv32);
245 if (local->ops->update_tkip_key)
246 local->ops->update_tkip_key(&local->hw, &sdata->vif, conf,
247 ista, iv32, phase1key);
248 trace_drv_return_void(local);
251 static inline int drv_hw_scan(struct ieee80211_local *local,
252 struct ieee80211_sub_if_data *sdata,
253 struct cfg80211_scan_request *req)
255 int ret;
257 might_sleep();
259 check_sdata_in_driver(sdata);
261 trace_drv_hw_scan(local, sdata);
262 ret = local->ops->hw_scan(&local->hw, &sdata->vif, req);
263 trace_drv_return_int(local, ret);
264 return ret;
267 static inline void drv_cancel_hw_scan(struct ieee80211_local *local,
268 struct ieee80211_sub_if_data *sdata)
270 might_sleep();
272 check_sdata_in_driver(sdata);
274 trace_drv_cancel_hw_scan(local, sdata);
275 local->ops->cancel_hw_scan(&local->hw, &sdata->vif);
276 trace_drv_return_void(local);
279 static inline int
280 drv_sched_scan_start(struct ieee80211_local *local,
281 struct ieee80211_sub_if_data *sdata,
282 struct cfg80211_sched_scan_request *req,
283 struct ieee80211_sched_scan_ies *ies)
285 int ret;
287 might_sleep();
289 check_sdata_in_driver(sdata);
291 trace_drv_sched_scan_start(local, sdata);
292 ret = local->ops->sched_scan_start(&local->hw, &sdata->vif,
293 req, ies);
294 trace_drv_return_int(local, ret);
295 return ret;
298 static inline void drv_sched_scan_stop(struct ieee80211_local *local,
299 struct ieee80211_sub_if_data *sdata)
301 might_sleep();
303 check_sdata_in_driver(sdata);
305 trace_drv_sched_scan_stop(local, sdata);
306 local->ops->sched_scan_stop(&local->hw, &sdata->vif);
307 trace_drv_return_void(local);
310 static inline void drv_sw_scan_start(struct ieee80211_local *local)
312 might_sleep();
314 trace_drv_sw_scan_start(local);
315 if (local->ops->sw_scan_start)
316 local->ops->sw_scan_start(&local->hw);
317 trace_drv_return_void(local);
320 static inline void drv_sw_scan_complete(struct ieee80211_local *local)
322 might_sleep();
324 trace_drv_sw_scan_complete(local);
325 if (local->ops->sw_scan_complete)
326 local->ops->sw_scan_complete(&local->hw);
327 trace_drv_return_void(local);
330 static inline int drv_get_stats(struct ieee80211_local *local,
331 struct ieee80211_low_level_stats *stats)
333 int ret = -EOPNOTSUPP;
335 might_sleep();
337 if (local->ops->get_stats)
338 ret = local->ops->get_stats(&local->hw, stats);
339 trace_drv_get_stats(local, stats, ret);
341 return ret;
344 static inline void drv_get_tkip_seq(struct ieee80211_local *local,
345 u8 hw_key_idx, u32 *iv32, u16 *iv16)
347 if (local->ops->get_tkip_seq)
348 local->ops->get_tkip_seq(&local->hw, hw_key_idx, iv32, iv16);
349 trace_drv_get_tkip_seq(local, hw_key_idx, iv32, iv16);
352 static inline int drv_set_frag_threshold(struct ieee80211_local *local,
353 u32 value)
355 int ret = 0;
357 might_sleep();
359 trace_drv_set_frag_threshold(local, value);
360 if (local->ops->set_frag_threshold)
361 ret = local->ops->set_frag_threshold(&local->hw, value);
362 trace_drv_return_int(local, ret);
363 return ret;
366 static inline int drv_set_rts_threshold(struct ieee80211_local *local,
367 u32 value)
369 int ret = 0;
371 might_sleep();
373 trace_drv_set_rts_threshold(local, value);
374 if (local->ops->set_rts_threshold)
375 ret = local->ops->set_rts_threshold(&local->hw, value);
376 trace_drv_return_int(local, ret);
377 return ret;
380 static inline int drv_set_coverage_class(struct ieee80211_local *local,
381 u8 value)
383 int ret = 0;
384 might_sleep();
386 trace_drv_set_coverage_class(local, value);
387 if (local->ops->set_coverage_class)
388 local->ops->set_coverage_class(&local->hw, value);
389 else
390 ret = -EOPNOTSUPP;
392 trace_drv_return_int(local, ret);
393 return ret;
396 static inline void drv_sta_notify(struct ieee80211_local *local,
397 struct ieee80211_sub_if_data *sdata,
398 enum sta_notify_cmd cmd,
399 struct ieee80211_sta *sta)
401 sdata = get_bss_sdata(sdata);
402 check_sdata_in_driver(sdata);
404 trace_drv_sta_notify(local, sdata, cmd, sta);
405 if (local->ops->sta_notify)
406 local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta);
407 trace_drv_return_void(local);
410 static inline int drv_sta_add(struct ieee80211_local *local,
411 struct ieee80211_sub_if_data *sdata,
412 struct ieee80211_sta *sta)
414 int ret = 0;
416 might_sleep();
418 sdata = get_bss_sdata(sdata);
419 check_sdata_in_driver(sdata);
421 trace_drv_sta_add(local, sdata, sta);
422 if (local->ops->sta_add)
423 ret = local->ops->sta_add(&local->hw, &sdata->vif, sta);
425 trace_drv_return_int(local, ret);
427 return ret;
430 static inline void drv_sta_remove(struct ieee80211_local *local,
431 struct ieee80211_sub_if_data *sdata,
432 struct ieee80211_sta *sta)
434 might_sleep();
436 sdata = get_bss_sdata(sdata);
437 check_sdata_in_driver(sdata);
439 trace_drv_sta_remove(local, sdata, sta);
440 if (local->ops->sta_remove)
441 local->ops->sta_remove(&local->hw, &sdata->vif, sta);
443 trace_drv_return_void(local);
446 static inline __must_check
447 int drv_sta_state(struct ieee80211_local *local,
448 struct ieee80211_sub_if_data *sdata,
449 struct sta_info *sta,
450 enum ieee80211_sta_state old_state,
451 enum ieee80211_sta_state new_state)
453 int ret = 0;
455 might_sleep();
457 sdata = get_bss_sdata(sdata);
458 check_sdata_in_driver(sdata);
460 trace_drv_sta_state(local, sdata, &sta->sta, old_state, new_state);
461 if (local->ops->sta_state) {
462 ret = local->ops->sta_state(&local->hw, &sdata->vif, &sta->sta,
463 old_state, new_state);
464 } else if (old_state == IEEE80211_STA_AUTH &&
465 new_state == IEEE80211_STA_ASSOC) {
466 ret = drv_sta_add(local, sdata, &sta->sta);
467 if (ret == 0)
468 sta->uploaded = true;
469 } else if (old_state == IEEE80211_STA_ASSOC &&
470 new_state == IEEE80211_STA_AUTH) {
471 drv_sta_remove(local, sdata, &sta->sta);
473 trace_drv_return_int(local, ret);
474 return ret;
477 static inline int drv_conf_tx(struct ieee80211_local *local,
478 struct ieee80211_sub_if_data *sdata, u16 queue,
479 const struct ieee80211_tx_queue_params *params)
481 int ret = -EOPNOTSUPP;
483 might_sleep();
485 check_sdata_in_driver(sdata);
487 trace_drv_conf_tx(local, sdata, queue, params);
488 if (local->ops->conf_tx)
489 ret = local->ops->conf_tx(&local->hw, &sdata->vif,
490 queue, params);
491 trace_drv_return_int(local, ret);
492 return ret;
495 static inline u64 drv_get_tsf(struct ieee80211_local *local,
496 struct ieee80211_sub_if_data *sdata)
498 u64 ret = -1ULL;
500 might_sleep();
502 check_sdata_in_driver(sdata);
504 trace_drv_get_tsf(local, sdata);
505 if (local->ops->get_tsf)
506 ret = local->ops->get_tsf(&local->hw, &sdata->vif);
507 trace_drv_return_u64(local, ret);
508 return ret;
511 static inline void drv_set_tsf(struct ieee80211_local *local,
512 struct ieee80211_sub_if_data *sdata,
513 u64 tsf)
515 might_sleep();
517 check_sdata_in_driver(sdata);
519 trace_drv_set_tsf(local, sdata, tsf);
520 if (local->ops->set_tsf)
521 local->ops->set_tsf(&local->hw, &sdata->vif, tsf);
522 trace_drv_return_void(local);
525 static inline void drv_reset_tsf(struct ieee80211_local *local,
526 struct ieee80211_sub_if_data *sdata)
528 might_sleep();
530 check_sdata_in_driver(sdata);
532 trace_drv_reset_tsf(local, sdata);
533 if (local->ops->reset_tsf)
534 local->ops->reset_tsf(&local->hw, &sdata->vif);
535 trace_drv_return_void(local);
538 static inline int drv_tx_last_beacon(struct ieee80211_local *local)
540 int ret = 0; /* default unsuported op for less congestion */
542 might_sleep();
544 trace_drv_tx_last_beacon(local);
545 if (local->ops->tx_last_beacon)
546 ret = local->ops->tx_last_beacon(&local->hw);
547 trace_drv_return_int(local, ret);
548 return ret;
551 static inline int drv_ampdu_action(struct ieee80211_local *local,
552 struct ieee80211_sub_if_data *sdata,
553 enum ieee80211_ampdu_mlme_action action,
554 struct ieee80211_sta *sta, u16 tid,
555 u16 *ssn, u8 buf_size)
557 int ret = -EOPNOTSUPP;
559 might_sleep();
561 sdata = get_bss_sdata(sdata);
562 check_sdata_in_driver(sdata);
564 trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, buf_size);
566 if (local->ops->ampdu_action)
567 ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
568 sta, tid, ssn, buf_size);
570 trace_drv_return_int(local, ret);
572 return ret;
575 static inline int drv_get_survey(struct ieee80211_local *local, int idx,
576 struct survey_info *survey)
578 int ret = -EOPNOTSUPP;
580 trace_drv_get_survey(local, idx, survey);
582 if (local->ops->get_survey)
583 ret = local->ops->get_survey(&local->hw, idx, survey);
585 trace_drv_return_int(local, ret);
587 return ret;
590 static inline void drv_rfkill_poll(struct ieee80211_local *local)
592 might_sleep();
594 if (local->ops->rfkill_poll)
595 local->ops->rfkill_poll(&local->hw);
598 static inline void drv_flush(struct ieee80211_local *local, bool drop)
600 might_sleep();
602 trace_drv_flush(local, drop);
603 if (local->ops->flush)
604 local->ops->flush(&local->hw, drop);
605 trace_drv_return_void(local);
608 static inline void drv_channel_switch(struct ieee80211_local *local,
609 struct ieee80211_channel_switch *ch_switch)
611 might_sleep();
613 trace_drv_channel_switch(local, ch_switch);
614 local->ops->channel_switch(&local->hw, ch_switch);
615 trace_drv_return_void(local);
619 static inline int drv_set_antenna(struct ieee80211_local *local,
620 u32 tx_ant, u32 rx_ant)
622 int ret = -EOPNOTSUPP;
623 might_sleep();
624 if (local->ops->set_antenna)
625 ret = local->ops->set_antenna(&local->hw, tx_ant, rx_ant);
626 trace_drv_set_antenna(local, tx_ant, rx_ant, ret);
627 return ret;
630 static inline int drv_get_antenna(struct ieee80211_local *local,
631 u32 *tx_ant, u32 *rx_ant)
633 int ret = -EOPNOTSUPP;
634 might_sleep();
635 if (local->ops->get_antenna)
636 ret = local->ops->get_antenna(&local->hw, tx_ant, rx_ant);
637 trace_drv_get_antenna(local, *tx_ant, *rx_ant, ret);
638 return ret;
641 static inline int drv_remain_on_channel(struct ieee80211_local *local,
642 struct ieee80211_channel *chan,
643 enum nl80211_channel_type chantype,
644 unsigned int duration)
646 int ret;
648 might_sleep();
650 trace_drv_remain_on_channel(local, chan, chantype, duration);
651 ret = local->ops->remain_on_channel(&local->hw, chan, chantype,
652 duration);
653 trace_drv_return_int(local, ret);
655 return ret;
658 static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local)
660 int ret;
662 might_sleep();
664 trace_drv_cancel_remain_on_channel(local);
665 ret = local->ops->cancel_remain_on_channel(&local->hw);
666 trace_drv_return_int(local, ret);
668 return ret;
671 static inline int drv_set_ringparam(struct ieee80211_local *local,
672 u32 tx, u32 rx)
674 int ret = -ENOTSUPP;
676 might_sleep();
678 trace_drv_set_ringparam(local, tx, rx);
679 if (local->ops->set_ringparam)
680 ret = local->ops->set_ringparam(&local->hw, tx, rx);
681 trace_drv_return_int(local, ret);
683 return ret;
686 static inline void drv_get_ringparam(struct ieee80211_local *local,
687 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
689 might_sleep();
691 trace_drv_get_ringparam(local, tx, tx_max, rx, rx_max);
692 if (local->ops->get_ringparam)
693 local->ops->get_ringparam(&local->hw, tx, tx_max, rx, rx_max);
694 trace_drv_return_void(local);
697 static inline bool drv_tx_frames_pending(struct ieee80211_local *local)
699 bool ret = false;
701 might_sleep();
703 trace_drv_tx_frames_pending(local);
704 if (local->ops->tx_frames_pending)
705 ret = local->ops->tx_frames_pending(&local->hw);
706 trace_drv_return_bool(local, ret);
708 return ret;
711 static inline int drv_set_bitrate_mask(struct ieee80211_local *local,
712 struct ieee80211_sub_if_data *sdata,
713 const struct cfg80211_bitrate_mask *mask)
715 int ret = -EOPNOTSUPP;
717 might_sleep();
719 check_sdata_in_driver(sdata);
721 trace_drv_set_bitrate_mask(local, sdata, mask);
722 if (local->ops->set_bitrate_mask)
723 ret = local->ops->set_bitrate_mask(&local->hw,
724 &sdata->vif, mask);
725 trace_drv_return_int(local, ret);
727 return ret;
730 static inline void drv_set_rekey_data(struct ieee80211_local *local,
731 struct ieee80211_sub_if_data *sdata,
732 struct cfg80211_gtk_rekey_data *data)
734 check_sdata_in_driver(sdata);
736 trace_drv_set_rekey_data(local, sdata, data);
737 if (local->ops->set_rekey_data)
738 local->ops->set_rekey_data(&local->hw, &sdata->vif, data);
739 trace_drv_return_void(local);
742 static inline void drv_rssi_callback(struct ieee80211_local *local,
743 const enum ieee80211_rssi_event event)
745 trace_drv_rssi_callback(local, event);
746 if (local->ops->rssi_callback)
747 local->ops->rssi_callback(&local->hw, event);
748 trace_drv_return_void(local);
751 static inline void
752 drv_release_buffered_frames(struct ieee80211_local *local,
753 struct sta_info *sta, u16 tids, int num_frames,
754 enum ieee80211_frame_release_type reason,
755 bool more_data)
757 trace_drv_release_buffered_frames(local, &sta->sta, tids, num_frames,
758 reason, more_data);
759 if (local->ops->release_buffered_frames)
760 local->ops->release_buffered_frames(&local->hw, &sta->sta, tids,
761 num_frames, reason,
762 more_data);
763 trace_drv_return_void(local);
766 static inline void
767 drv_allow_buffered_frames(struct ieee80211_local *local,
768 struct sta_info *sta, u16 tids, int num_frames,
769 enum ieee80211_frame_release_type reason,
770 bool more_data)
772 trace_drv_allow_buffered_frames(local, &sta->sta, tids, num_frames,
773 reason, more_data);
774 if (local->ops->allow_buffered_frames)
775 local->ops->allow_buffered_frames(&local->hw, &sta->sta,
776 tids, num_frames, reason,
777 more_data);
778 trace_drv_return_void(local);
780 #endif /* __MAC80211_DRIVER_OPS */