xref: /openbmc/linux/net/mac80211/driver-ops.h (revision 4800cd83) 
1 #ifndef __MAC80211_DRIVER_OPS
2 #define __MAC80211_DRIVER_OPS
3 
4 #include <net/mac80211.h>
5 #include "ieee80211_i.h"
6 #include "driver-trace.h"
7 
8 static inline int drv_tx(struct ieee80211_local *local, struct sk_buff *skb)
9 {
10 	return local->ops->tx(&local->hw, skb);
11 }
12 
13 static inline int drv_start(struct ieee80211_local *local)
14 {
15 	int ret;
16 
17 	might_sleep();
18 
19 	trace_drv_start(local);
20 	local->started = true;
21 	smp_mb();
22 	ret = local->ops->start(&local->hw);
23 	trace_drv_return_int(local, ret);
24 	return ret;
25 }
26 
27 static inline void drv_stop(struct ieee80211_local *local)
28 {
29 	might_sleep();
30 
31 	trace_drv_stop(local);
32 	local->ops->stop(&local->hw);
33 	trace_drv_return_void(local);
34 
35 	/* sync away all work on the tasklet before clearing started */
36 	tasklet_disable(&local->tasklet);
37 	tasklet_enable(&local->tasklet);
38 
39 	barrier();
40 
41 	local->started = false;
42 }
43 
44 static inline int drv_add_interface(struct ieee80211_local *local,
45 				    struct ieee80211_vif *vif)
46 {
47 	int ret;
48 
49 	might_sleep();
50 
51 	trace_drv_add_interface(local, vif_to_sdata(vif));
52 	ret = local->ops->add_interface(&local->hw, vif);
53 	trace_drv_return_int(local, ret);
54 	return ret;
55 }
56 
57 static inline int drv_change_interface(struct ieee80211_local *local,
58 				       struct ieee80211_sub_if_data *sdata,
59 				       enum nl80211_iftype type, bool p2p)
60 {
61 	int ret;
62 
63 	might_sleep();
64 
65 	trace_drv_change_interface(local, sdata, type, p2p);
66 	ret = local->ops->change_interface(&local->hw, &sdata->vif, type, p2p);
67 	trace_drv_return_int(local, ret);
68 	return ret;
69 }
70 
71 static inline void drv_remove_interface(struct ieee80211_local *local,
72 					struct ieee80211_vif *vif)
73 {
74 	might_sleep();
75 
76 	trace_drv_remove_interface(local, vif_to_sdata(vif));
77 	local->ops->remove_interface(&local->hw, vif);
78 	trace_drv_return_void(local);
79 }
80 
81 static inline int drv_config(struct ieee80211_local *local, u32 changed)
82 {
83 	int ret;
84 
85 	might_sleep();
86 
87 	trace_drv_config(local, changed);
88 	ret = local->ops->config(&local->hw, changed);
89 	trace_drv_return_int(local, ret);
90 	return ret;
91 }
92 
93 static inline void drv_bss_info_changed(struct ieee80211_local *local,
94 					struct ieee80211_sub_if_data *sdata,
95 					struct ieee80211_bss_conf *info,
96 					u32 changed)
97 {
98 	might_sleep();
99 
100 	trace_drv_bss_info_changed(local, sdata, info, changed);
101 	if (local->ops->bss_info_changed)
102 		local->ops->bss_info_changed(&local->hw, &sdata->vif, info, changed);
103 	trace_drv_return_void(local);
104 }
105 
106 static inline u64 drv_prepare_multicast(struct ieee80211_local *local,
107 					struct netdev_hw_addr_list *mc_list)
108 {
109 	u64 ret = 0;
110 
111 	trace_drv_prepare_multicast(local, mc_list->count);
112 
113 	if (local->ops->prepare_multicast)
114 		ret = local->ops->prepare_multicast(&local->hw, mc_list);
115 
116 	trace_drv_return_u64(local, ret);
117 
118 	return ret;
119 }
120 
121 static inline void drv_configure_filter(struct ieee80211_local *local,
122 					unsigned int changed_flags,
123 					unsigned int *total_flags,
124 					u64 multicast)
125 {
126 	might_sleep();
127 
128 	trace_drv_configure_filter(local, changed_flags, total_flags,
129 				   multicast);
130 	local->ops->configure_filter(&local->hw, changed_flags, total_flags,
131 				     multicast);
132 	trace_drv_return_void(local);
133 }
134 
135 static inline int drv_set_tim(struct ieee80211_local *local,
136 			      struct ieee80211_sta *sta, bool set)
137 {
138 	int ret = 0;
139 	trace_drv_set_tim(local, sta, set);
140 	if (local->ops->set_tim)
141 		ret = local->ops->set_tim(&local->hw, sta, set);
142 	trace_drv_return_int(local, ret);
143 	return ret;
144 }
145 
146 static inline int drv_set_key(struct ieee80211_local *local,
147 			      enum set_key_cmd cmd,
148 			      struct ieee80211_sub_if_data *sdata,
149 			      struct ieee80211_sta *sta,
150 			      struct ieee80211_key_conf *key)
151 {
152 	int ret;
153 
154 	might_sleep();
155 
156 	trace_drv_set_key(local, cmd, sdata, sta, key);
157 	ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key);
158 	trace_drv_return_int(local, ret);
159 	return ret;
160 }
161 
162 static inline void drv_update_tkip_key(struct ieee80211_local *local,
163 				       struct ieee80211_sub_if_data *sdata,
164 				       struct ieee80211_key_conf *conf,
165 				       struct sta_info *sta, u32 iv32,
166 				       u16 *phase1key)
167 {
168 	struct ieee80211_sta *ista = NULL;
169 
170 	if (sta)
171 		ista = &sta->sta;
172 
173 	trace_drv_update_tkip_key(local, sdata, conf, ista, iv32);
174 	if (local->ops->update_tkip_key)
175 		local->ops->update_tkip_key(&local->hw, &sdata->vif, conf,
176 					    ista, iv32, phase1key);
177 	trace_drv_return_void(local);
178 }
179 
180 static inline int drv_hw_scan(struct ieee80211_local *local,
181 			      struct ieee80211_sub_if_data *sdata,
182 			      struct cfg80211_scan_request *req)
183 {
184 	int ret;
185 
186 	might_sleep();
187 
188 	trace_drv_hw_scan(local, sdata, req);
189 	ret = local->ops->hw_scan(&local->hw, &sdata->vif, req);
190 	trace_drv_return_int(local, ret);
191 	return ret;
192 }
193 
194 static inline void drv_sw_scan_start(struct ieee80211_local *local)
195 {
196 	might_sleep();
197 
198 	trace_drv_sw_scan_start(local);
199 	if (local->ops->sw_scan_start)
200 		local->ops->sw_scan_start(&local->hw);
201 	trace_drv_return_void(local);
202 }
203 
204 static inline void drv_sw_scan_complete(struct ieee80211_local *local)
205 {
206 	might_sleep();
207 
208 	trace_drv_sw_scan_complete(local);
209 	if (local->ops->sw_scan_complete)
210 		local->ops->sw_scan_complete(&local->hw);
211 	trace_drv_return_void(local);
212 }
213 
214 static inline int drv_get_stats(struct ieee80211_local *local,
215 				struct ieee80211_low_level_stats *stats)
216 {
217 	int ret = -EOPNOTSUPP;
218 
219 	might_sleep();
220 
221 	if (local->ops->get_stats)
222 		ret = local->ops->get_stats(&local->hw, stats);
223 	trace_drv_get_stats(local, stats, ret);
224 
225 	return ret;
226 }
227 
228 static inline void drv_get_tkip_seq(struct ieee80211_local *local,
229 				    u8 hw_key_idx, u32 *iv32, u16 *iv16)
230 {
231 	if (local->ops->get_tkip_seq)
232 		local->ops->get_tkip_seq(&local->hw, hw_key_idx, iv32, iv16);
233 	trace_drv_get_tkip_seq(local, hw_key_idx, iv32, iv16);
234 }
235 
236 static inline int drv_set_frag_threshold(struct ieee80211_local *local,
237 					u32 value)
238 {
239 	int ret = 0;
240 
241 	might_sleep();
242 
243 	trace_drv_set_frag_threshold(local, value);
244 	if (local->ops->set_frag_threshold)
245 		ret = local->ops->set_frag_threshold(&local->hw, value);
246 	trace_drv_return_int(local, ret);
247 	return ret;
248 }
249 
250 static inline int drv_set_rts_threshold(struct ieee80211_local *local,
251 					u32 value)
252 {
253 	int ret = 0;
254 
255 	might_sleep();
256 
257 	trace_drv_set_rts_threshold(local, value);
258 	if (local->ops->set_rts_threshold)
259 		ret = local->ops->set_rts_threshold(&local->hw, value);
260 	trace_drv_return_int(local, ret);
261 	return ret;
262 }
263 
264 static inline int drv_set_coverage_class(struct ieee80211_local *local,
265 					 u8 value)
266 {
267 	int ret = 0;
268 	might_sleep();
269 
270 	trace_drv_set_coverage_class(local, value);
271 	if (local->ops->set_coverage_class)
272 		local->ops->set_coverage_class(&local->hw, value);
273 	else
274 		ret = -EOPNOTSUPP;
275 
276 	trace_drv_return_int(local, ret);
277 	return ret;
278 }
279 
280 static inline void drv_sta_notify(struct ieee80211_local *local,
281 				  struct ieee80211_sub_if_data *sdata,
282 				  enum sta_notify_cmd cmd,
283 				  struct ieee80211_sta *sta)
284 {
285 	trace_drv_sta_notify(local, sdata, cmd, sta);
286 	if (local->ops->sta_notify)
287 		local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta);
288 	trace_drv_return_void(local);
289 }
290 
291 static inline int drv_sta_add(struct ieee80211_local *local,
292 			      struct ieee80211_sub_if_data *sdata,
293 			      struct ieee80211_sta *sta)
294 {
295 	int ret = 0;
296 
297 	might_sleep();
298 
299 	trace_drv_sta_add(local, sdata, sta);
300 	if (local->ops->sta_add)
301 		ret = local->ops->sta_add(&local->hw, &sdata->vif, sta);
302 
303 	trace_drv_return_int(local, ret);
304 
305 	return ret;
306 }
307 
308 static inline void drv_sta_remove(struct ieee80211_local *local,
309 				  struct ieee80211_sub_if_data *sdata,
310 				  struct ieee80211_sta *sta)
311 {
312 	might_sleep();
313 
314 	trace_drv_sta_remove(local, sdata, sta);
315 	if (local->ops->sta_remove)
316 		local->ops->sta_remove(&local->hw, &sdata->vif, sta);
317 
318 	trace_drv_return_void(local);
319 }
320 
321 static inline int drv_conf_tx(struct ieee80211_local *local, u16 queue,
322 			      const struct ieee80211_tx_queue_params *params)
323 {
324 	int ret = -EOPNOTSUPP;
325 
326 	might_sleep();
327 
328 	trace_drv_conf_tx(local, queue, params);
329 	if (local->ops->conf_tx)
330 		ret = local->ops->conf_tx(&local->hw, queue, params);
331 	trace_drv_return_int(local, ret);
332 	return ret;
333 }
334 
335 static inline u64 drv_get_tsf(struct ieee80211_local *local)
336 {
337 	u64 ret = -1ULL;
338 
339 	might_sleep();
340 
341 	trace_drv_get_tsf(local);
342 	if (local->ops->get_tsf)
343 		ret = local->ops->get_tsf(&local->hw);
344 	trace_drv_return_u64(local, ret);
345 	return ret;
346 }
347 
348 static inline void drv_set_tsf(struct ieee80211_local *local, u64 tsf)
349 {
350 	might_sleep();
351 
352 	trace_drv_set_tsf(local, tsf);
353 	if (local->ops->set_tsf)
354 		local->ops->set_tsf(&local->hw, tsf);
355 	trace_drv_return_void(local);
356 }
357 
358 static inline void drv_reset_tsf(struct ieee80211_local *local)
359 {
360 	might_sleep();
361 
362 	trace_drv_reset_tsf(local);
363 	if (local->ops->reset_tsf)
364 		local->ops->reset_tsf(&local->hw);
365 	trace_drv_return_void(local);
366 }
367 
368 static inline int drv_tx_last_beacon(struct ieee80211_local *local)
369 {
370 	int ret = 0; /* default unsuported op for less congestion */
371 
372 	might_sleep();
373 
374 	trace_drv_tx_last_beacon(local);
375 	if (local->ops->tx_last_beacon)
376 		ret = local->ops->tx_last_beacon(&local->hw);
377 	trace_drv_return_int(local, ret);
378 	return ret;
379 }
380 
381 static inline int drv_ampdu_action(struct ieee80211_local *local,
382 				   struct ieee80211_sub_if_data *sdata,
383 				   enum ieee80211_ampdu_mlme_action action,
384 				   struct ieee80211_sta *sta, u16 tid,
385 				   u16 *ssn)
386 {
387 	int ret = -EOPNOTSUPP;
388 
389 	might_sleep();
390 
391 	trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn);
392 
393 	if (local->ops->ampdu_action)
394 		ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
395 					       sta, tid, ssn);
396 
397 	trace_drv_return_int(local, ret);
398 
399 	return ret;
400 }
401 
402 static inline int drv_get_survey(struct ieee80211_local *local, int idx,
403 				struct survey_info *survey)
404 {
405 	int ret = -EOPNOTSUPP;
406 
407 	trace_drv_get_survey(local, idx, survey);
408 
409 	if (local->ops->get_survey)
410 		ret = local->ops->get_survey(&local->hw, idx, survey);
411 
412 	trace_drv_return_int(local, ret);
413 
414 	return ret;
415 }
416 
417 static inline void drv_rfkill_poll(struct ieee80211_local *local)
418 {
419 	might_sleep();
420 
421 	if (local->ops->rfkill_poll)
422 		local->ops->rfkill_poll(&local->hw);
423 }
424 
425 static inline void drv_flush(struct ieee80211_local *local, bool drop)
426 {
427 	might_sleep();
428 
429 	trace_drv_flush(local, drop);
430 	if (local->ops->flush)
431 		local->ops->flush(&local->hw, drop);
432 	trace_drv_return_void(local);
433 }
434 
435 static inline void drv_channel_switch(struct ieee80211_local *local,
436 				     struct ieee80211_channel_switch *ch_switch)
437 {
438 	might_sleep();
439 
440 	trace_drv_channel_switch(local, ch_switch);
441 	local->ops->channel_switch(&local->hw, ch_switch);
442 	trace_drv_return_void(local);
443 }
444 
445 
446 static inline int drv_set_antenna(struct ieee80211_local *local,
447 				  u32 tx_ant, u32 rx_ant)
448 {
449 	int ret = -EOPNOTSUPP;
450 	might_sleep();
451 	if (local->ops->set_antenna)
452 		ret = local->ops->set_antenna(&local->hw, tx_ant, rx_ant);
453 	trace_drv_set_antenna(local, tx_ant, rx_ant, ret);
454 	return ret;
455 }
456 
457 static inline int drv_get_antenna(struct ieee80211_local *local,
458 				  u32 *tx_ant, u32 *rx_ant)
459 {
460 	int ret = -EOPNOTSUPP;
461 	might_sleep();
462 	if (local->ops->get_antenna)
463 		ret = local->ops->get_antenna(&local->hw, tx_ant, rx_ant);
464 	trace_drv_get_antenna(local, *tx_ant, *rx_ant, ret);
465 	return ret;
466 }
467 
468 static inline int drv_remain_on_channel(struct ieee80211_local *local,
469 					struct ieee80211_channel *chan,
470 					enum nl80211_channel_type chantype,
471 					unsigned int duration)
472 {
473 	int ret;
474 
475 	might_sleep();
476 
477 	trace_drv_remain_on_channel(local, chan, chantype, duration);
478 	ret = local->ops->remain_on_channel(&local->hw, chan, chantype,
479 					    duration);
480 	trace_drv_return_int(local, ret);
481 
482 	return ret;
483 }
484 
485 static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local)
486 {
487 	int ret;
488 
489 	might_sleep();
490 
491 	trace_drv_cancel_remain_on_channel(local);
492 	ret = local->ops->cancel_remain_on_channel(&local->hw);
493 	trace_drv_return_int(local, ret);
494 
495 	return ret;
496 }
497 
498 #endif /* __MAC80211_DRIVER_OPS */
499