xref: /linux/net/mac80211/driver-ops.h (revision d39d0ed196aa1685bb24771e92f78633c66ac9cb) 
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 void drv_remove_interface(struct ieee80211_local *local,
58 					struct ieee80211_vif *vif)
59 {
60 	might_sleep();
61 
62 	trace_drv_remove_interface(local, vif_to_sdata(vif));
63 	local->ops->remove_interface(&local->hw, vif);
64 	trace_drv_return_void(local);
65 }
66 
67 static inline int drv_config(struct ieee80211_local *local, u32 changed)
68 {
69 	int ret;
70 
71 	might_sleep();
72 
73 	trace_drv_config(local, changed);
74 	ret = local->ops->config(&local->hw, changed);
75 	trace_drv_return_int(local, ret);
76 	return ret;
77 }
78 
79 static inline void drv_bss_info_changed(struct ieee80211_local *local,
80 					struct ieee80211_sub_if_data *sdata,
81 					struct ieee80211_bss_conf *info,
82 					u32 changed)
83 {
84 	might_sleep();
85 
86 	trace_drv_bss_info_changed(local, sdata, info, changed);
87 	if (local->ops->bss_info_changed)
88 		local->ops->bss_info_changed(&local->hw, &sdata->vif, info, changed);
89 	trace_drv_return_void(local);
90 }
91 
92 static inline u64 drv_prepare_multicast(struct ieee80211_local *local,
93 					struct netdev_hw_addr_list *mc_list)
94 {
95 	u64 ret = 0;
96 
97 	trace_drv_prepare_multicast(local, mc_list->count);
98 
99 	if (local->ops->prepare_multicast)
100 		ret = local->ops->prepare_multicast(&local->hw, mc_list);
101 
102 	trace_drv_return_u64(local, ret);
103 
104 	return ret;
105 }
106 
107 static inline void drv_configure_filter(struct ieee80211_local *local,
108 					unsigned int changed_flags,
109 					unsigned int *total_flags,
110 					u64 multicast)
111 {
112 	might_sleep();
113 
114 	trace_drv_configure_filter(local, changed_flags, total_flags,
115 				   multicast);
116 	local->ops->configure_filter(&local->hw, changed_flags, total_flags,
117 				     multicast);
118 	trace_drv_return_void(local);
119 }
120 
121 static inline int drv_set_tim(struct ieee80211_local *local,
122 			      struct ieee80211_sta *sta, bool set)
123 {
124 	int ret = 0;
125 	trace_drv_set_tim(local, sta, set);
126 	if (local->ops->set_tim)
127 		ret = local->ops->set_tim(&local->hw, sta, set);
128 	trace_drv_return_int(local, ret);
129 	return ret;
130 }
131 
132 static inline int drv_set_key(struct ieee80211_local *local,
133 			      enum set_key_cmd cmd,
134 			      struct ieee80211_sub_if_data *sdata,
135 			      struct ieee80211_sta *sta,
136 			      struct ieee80211_key_conf *key)
137 {
138 	int ret;
139 
140 	might_sleep();
141 
142 	trace_drv_set_key(local, cmd, sdata, sta, key);
143 	ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key);
144 	trace_drv_return_int(local, ret);
145 	return ret;
146 }
147 
148 static inline void drv_update_tkip_key(struct ieee80211_local *local,
149 				       struct ieee80211_sub_if_data *sdata,
150 				       struct ieee80211_key_conf *conf,
151 				       struct sta_info *sta, u32 iv32,
152 				       u16 *phase1key)
153 {
154 	struct ieee80211_sta *ista = NULL;
155 
156 	if (sta)
157 		ista = &sta->sta;
158 
159 	trace_drv_update_tkip_key(local, sdata, conf, ista, iv32);
160 	if (local->ops->update_tkip_key)
161 		local->ops->update_tkip_key(&local->hw, &sdata->vif, conf,
162 					    ista, iv32, phase1key);
163 	trace_drv_return_void(local);
164 }
165 
166 static inline int drv_hw_scan(struct ieee80211_local *local,
167 			      struct ieee80211_sub_if_data *sdata,
168 			      struct cfg80211_scan_request *req)
169 {
170 	int ret;
171 
172 	might_sleep();
173 
174 	trace_drv_hw_scan(local, sdata, req);
175 	ret = local->ops->hw_scan(&local->hw, &sdata->vif, req);
176 	trace_drv_return_int(local, ret);
177 	return ret;
178 }
179 
180 static inline void drv_sw_scan_start(struct ieee80211_local *local)
181 {
182 	might_sleep();
183 
184 	trace_drv_sw_scan_start(local);
185 	if (local->ops->sw_scan_start)
186 		local->ops->sw_scan_start(&local->hw);
187 	trace_drv_return_void(local);
188 }
189 
190 static inline void drv_sw_scan_complete(struct ieee80211_local *local)
191 {
192 	might_sleep();
193 
194 	trace_drv_sw_scan_complete(local);
195 	if (local->ops->sw_scan_complete)
196 		local->ops->sw_scan_complete(&local->hw);
197 	trace_drv_return_void(local);
198 }
199 
200 static inline int drv_get_stats(struct ieee80211_local *local,
201 				struct ieee80211_low_level_stats *stats)
202 {
203 	int ret = -EOPNOTSUPP;
204 
205 	might_sleep();
206 
207 	if (local->ops->get_stats)
208 		ret = local->ops->get_stats(&local->hw, stats);
209 	trace_drv_get_stats(local, stats, ret);
210 
211 	return ret;
212 }
213 
214 static inline void drv_get_tkip_seq(struct ieee80211_local *local,
215 				    u8 hw_key_idx, u32 *iv32, u16 *iv16)
216 {
217 	if (local->ops->get_tkip_seq)
218 		local->ops->get_tkip_seq(&local->hw, hw_key_idx, iv32, iv16);
219 	trace_drv_get_tkip_seq(local, hw_key_idx, iv32, iv16);
220 }
221 
222 static inline int drv_set_rts_threshold(struct ieee80211_local *local,
223 					u32 value)
224 {
225 	int ret = 0;
226 
227 	might_sleep();
228 
229 	trace_drv_set_rts_threshold(local, value);
230 	if (local->ops->set_rts_threshold)
231 		ret = local->ops->set_rts_threshold(&local->hw, value);
232 	trace_drv_return_int(local, ret);
233 	return ret;
234 }
235 
236 static inline int drv_set_coverage_class(struct ieee80211_local *local,
237 					 u8 value)
238 {
239 	int ret = 0;
240 	might_sleep();
241 
242 	trace_drv_set_coverage_class(local, value);
243 	if (local->ops->set_coverage_class)
244 		local->ops->set_coverage_class(&local->hw, value);
245 	else
246 		ret = -EOPNOTSUPP;
247 
248 	trace_drv_return_int(local, ret);
249 	return ret;
250 }
251 
252 static inline void drv_sta_notify(struct ieee80211_local *local,
253 				  struct ieee80211_sub_if_data *sdata,
254 				  enum sta_notify_cmd cmd,
255 				  struct ieee80211_sta *sta)
256 {
257 	trace_drv_sta_notify(local, sdata, cmd, sta);
258 	if (local->ops->sta_notify)
259 		local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta);
260 	trace_drv_return_void(local);
261 }
262 
263 static inline int drv_sta_add(struct ieee80211_local *local,
264 			      struct ieee80211_sub_if_data *sdata,
265 			      struct ieee80211_sta *sta)
266 {
267 	int ret = 0;
268 
269 	might_sleep();
270 
271 	trace_drv_sta_add(local, sdata, sta);
272 	if (local->ops->sta_add)
273 		ret = local->ops->sta_add(&local->hw, &sdata->vif, sta);
274 
275 	trace_drv_return_int(local, ret);
276 
277 	return ret;
278 }
279 
280 static inline void drv_sta_remove(struct ieee80211_local *local,
281 				  struct ieee80211_sub_if_data *sdata,
282 				  struct ieee80211_sta *sta)
283 {
284 	might_sleep();
285 
286 	trace_drv_sta_remove(local, sdata, sta);
287 	if (local->ops->sta_remove)
288 		local->ops->sta_remove(&local->hw, &sdata->vif, sta);
289 
290 	trace_drv_return_void(local);
291 }
292 
293 static inline int drv_conf_tx(struct ieee80211_local *local, u16 queue,
294 			      const struct ieee80211_tx_queue_params *params)
295 {
296 	int ret = -EOPNOTSUPP;
297 
298 	might_sleep();
299 
300 	trace_drv_conf_tx(local, queue, params);
301 	if (local->ops->conf_tx)
302 		ret = local->ops->conf_tx(&local->hw, queue, params);
303 	trace_drv_return_int(local, ret);
304 	return ret;
305 }
306 
307 static inline u64 drv_get_tsf(struct ieee80211_local *local)
308 {
309 	u64 ret = -1ULL;
310 
311 	might_sleep();
312 
313 	trace_drv_get_tsf(local);
314 	if (local->ops->get_tsf)
315 		ret = local->ops->get_tsf(&local->hw);
316 	trace_drv_return_u64(local, ret);
317 	return ret;
318 }
319 
320 static inline void drv_set_tsf(struct ieee80211_local *local, u64 tsf)
321 {
322 	might_sleep();
323 
324 	trace_drv_set_tsf(local, tsf);
325 	if (local->ops->set_tsf)
326 		local->ops->set_tsf(&local->hw, tsf);
327 	trace_drv_return_void(local);
328 }
329 
330 static inline void drv_reset_tsf(struct ieee80211_local *local)
331 {
332 	might_sleep();
333 
334 	trace_drv_reset_tsf(local);
335 	if (local->ops->reset_tsf)
336 		local->ops->reset_tsf(&local->hw);
337 	trace_drv_return_void(local);
338 }
339 
340 static inline int drv_tx_last_beacon(struct ieee80211_local *local)
341 {
342 	int ret = 1;
343 
344 	might_sleep();
345 
346 	trace_drv_tx_last_beacon(local);
347 	if (local->ops->tx_last_beacon)
348 		ret = local->ops->tx_last_beacon(&local->hw);
349 	trace_drv_return_int(local, ret);
350 	return ret;
351 }
352 
353 static inline int drv_ampdu_action(struct ieee80211_local *local,
354 				   struct ieee80211_sub_if_data *sdata,
355 				   enum ieee80211_ampdu_mlme_action action,
356 				   struct ieee80211_sta *sta, u16 tid,
357 				   u16 *ssn)
358 {
359 	int ret = -EOPNOTSUPP;
360 
361 	might_sleep();
362 
363 	trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn);
364 
365 	if (local->ops->ampdu_action)
366 		ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
367 					       sta, tid, ssn);
368 
369 	trace_drv_return_int(local, ret);
370 
371 	return ret;
372 }
373 
374 static inline int drv_get_survey(struct ieee80211_local *local, int idx,
375 				struct survey_info *survey)
376 {
377 	int ret = -EOPNOTSUPP;
378 
379 	trace_drv_get_survey(local, idx, survey);
380 
381 	if (local->ops->get_survey)
382 		ret = local->ops->get_survey(&local->hw, idx, survey);
383 
384 	trace_drv_return_int(local, ret);
385 
386 	return ret;
387 }
388 
389 static inline void drv_rfkill_poll(struct ieee80211_local *local)
390 {
391 	might_sleep();
392 
393 	if (local->ops->rfkill_poll)
394 		local->ops->rfkill_poll(&local->hw);
395 }
396 
397 static inline void drv_flush(struct ieee80211_local *local, bool drop)
398 {
399 	might_sleep();
400 
401 	trace_drv_flush(local, drop);
402 	if (local->ops->flush)
403 		local->ops->flush(&local->hw, drop);
404 	trace_drv_return_void(local);
405 }
406 
407 static inline void drv_channel_switch(struct ieee80211_local *local,
408 				     struct ieee80211_channel_switch *ch_switch)
409 {
410 	might_sleep();
411 
412 	trace_drv_channel_switch(local, ch_switch);
413 	local->ops->channel_switch(&local->hw, ch_switch);
414 	trace_drv_return_void(local);
415 }
416 
417 #endif /* __MAC80211_DRIVER_OPS */
418