xref: /linux/net/mac80211/driver-ops.h (revision cb299ba8b5ef2239429484072fea394cd7581bd7) 
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_rts_threshold(struct ieee80211_local *local,
237 					u32 value)
238 {
239 	int ret = 0;
240 
241 	might_sleep();
242 
243 	trace_drv_set_rts_threshold(local, value);
244 	if (local->ops->set_rts_threshold)
245 		ret = local->ops->set_rts_threshold(&local->hw, value);
246 	trace_drv_return_int(local, ret);
247 	return ret;
248 }
249 
250 static inline int drv_set_coverage_class(struct ieee80211_local *local,
251 					 u8 value)
252 {
253 	int ret = 0;
254 	might_sleep();
255 
256 	trace_drv_set_coverage_class(local, value);
257 	if (local->ops->set_coverage_class)
258 		local->ops->set_coverage_class(&local->hw, value);
259 	else
260 		ret = -EOPNOTSUPP;
261 
262 	trace_drv_return_int(local, ret);
263 	return ret;
264 }
265 
266 static inline void drv_sta_notify(struct ieee80211_local *local,
267 				  struct ieee80211_sub_if_data *sdata,
268 				  enum sta_notify_cmd cmd,
269 				  struct ieee80211_sta *sta)
270 {
271 	trace_drv_sta_notify(local, sdata, cmd, sta);
272 	if (local->ops->sta_notify)
273 		local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta);
274 	trace_drv_return_void(local);
275 }
276 
277 static inline int drv_sta_add(struct ieee80211_local *local,
278 			      struct ieee80211_sub_if_data *sdata,
279 			      struct ieee80211_sta *sta)
280 {
281 	int ret = 0;
282 
283 	might_sleep();
284 
285 	trace_drv_sta_add(local, sdata, sta);
286 	if (local->ops->sta_add)
287 		ret = local->ops->sta_add(&local->hw, &sdata->vif, sta);
288 
289 	trace_drv_return_int(local, ret);
290 
291 	return ret;
292 }
293 
294 static inline void drv_sta_remove(struct ieee80211_local *local,
295 				  struct ieee80211_sub_if_data *sdata,
296 				  struct ieee80211_sta *sta)
297 {
298 	might_sleep();
299 
300 	trace_drv_sta_remove(local, sdata, sta);
301 	if (local->ops->sta_remove)
302 		local->ops->sta_remove(&local->hw, &sdata->vif, sta);
303 
304 	trace_drv_return_void(local);
305 }
306 
307 static inline int drv_conf_tx(struct ieee80211_local *local, u16 queue,
308 			      const struct ieee80211_tx_queue_params *params)
309 {
310 	int ret = -EOPNOTSUPP;
311 
312 	might_sleep();
313 
314 	trace_drv_conf_tx(local, queue, params);
315 	if (local->ops->conf_tx)
316 		ret = local->ops->conf_tx(&local->hw, queue, params);
317 	trace_drv_return_int(local, ret);
318 	return ret;
319 }
320 
321 static inline u64 drv_get_tsf(struct ieee80211_local *local)
322 {
323 	u64 ret = -1ULL;
324 
325 	might_sleep();
326 
327 	trace_drv_get_tsf(local);
328 	if (local->ops->get_tsf)
329 		ret = local->ops->get_tsf(&local->hw);
330 	trace_drv_return_u64(local, ret);
331 	return ret;
332 }
333 
334 static inline void drv_set_tsf(struct ieee80211_local *local, u64 tsf)
335 {
336 	might_sleep();
337 
338 	trace_drv_set_tsf(local, tsf);
339 	if (local->ops->set_tsf)
340 		local->ops->set_tsf(&local->hw, tsf);
341 	trace_drv_return_void(local);
342 }
343 
344 static inline void drv_reset_tsf(struct ieee80211_local *local)
345 {
346 	might_sleep();
347 
348 	trace_drv_reset_tsf(local);
349 	if (local->ops->reset_tsf)
350 		local->ops->reset_tsf(&local->hw);
351 	trace_drv_return_void(local);
352 }
353 
354 static inline int drv_tx_last_beacon(struct ieee80211_local *local)
355 {
356 	int ret = 1;
357 
358 	might_sleep();
359 
360 	trace_drv_tx_last_beacon(local);
361 	if (local->ops->tx_last_beacon)
362 		ret = local->ops->tx_last_beacon(&local->hw);
363 	trace_drv_return_int(local, ret);
364 	return ret;
365 }
366 
367 static inline int drv_ampdu_action(struct ieee80211_local *local,
368 				   struct ieee80211_sub_if_data *sdata,
369 				   enum ieee80211_ampdu_mlme_action action,
370 				   struct ieee80211_sta *sta, u16 tid,
371 				   u16 *ssn)
372 {
373 	int ret = -EOPNOTSUPP;
374 
375 	might_sleep();
376 
377 	trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn);
378 
379 	if (local->ops->ampdu_action)
380 		ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
381 					       sta, tid, ssn);
382 
383 	trace_drv_return_int(local, ret);
384 
385 	return ret;
386 }
387 
388 static inline int drv_get_survey(struct ieee80211_local *local, int idx,
389 				struct survey_info *survey)
390 {
391 	int ret = -EOPNOTSUPP;
392 
393 	trace_drv_get_survey(local, idx, survey);
394 
395 	if (local->ops->get_survey)
396 		ret = local->ops->get_survey(&local->hw, idx, survey);
397 
398 	trace_drv_return_int(local, ret);
399 
400 	return ret;
401 }
402 
403 static inline void drv_rfkill_poll(struct ieee80211_local *local)
404 {
405 	might_sleep();
406 
407 	if (local->ops->rfkill_poll)
408 		local->ops->rfkill_poll(&local->hw);
409 }
410 
411 static inline void drv_flush(struct ieee80211_local *local, bool drop)
412 {
413 	might_sleep();
414 
415 	trace_drv_flush(local, drop);
416 	if (local->ops->flush)
417 		local->ops->flush(&local->hw, drop);
418 	trace_drv_return_void(local);
419 }
420 
421 static inline void drv_channel_switch(struct ieee80211_local *local,
422 				     struct ieee80211_channel_switch *ch_switch)
423 {
424 	might_sleep();
425 
426 	trace_drv_channel_switch(local, ch_switch);
427 	local->ops->channel_switch(&local->hw, ch_switch);
428 	trace_drv_return_void(local);
429 }
430 
431 #endif /* __MAC80211_DRIVER_OPS */
432