mac80211: Add support for hardware ARP query filtering
[linux-2.6.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 "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         local->started = true;
20         smp_mb();
21         ret = local->ops->start(&local->hw);
22         trace_drv_start(local, ret);
23         return ret;
24 }
25
26 static inline void drv_stop(struct ieee80211_local *local)
27 {
28         might_sleep();
29
30         local->ops->stop(&local->hw);
31         trace_drv_stop(local);
32
33         /* sync away all work on the tasklet before clearing started */
34         tasklet_disable(&local->tasklet);
35         tasklet_enable(&local->tasklet);
36
37         barrier();
38
39         local->started = false;
40 }
41
42 static inline int drv_add_interface(struct ieee80211_local *local,
43                                     struct ieee80211_vif *vif)
44 {
45         int ret;
46
47         might_sleep();
48
49         ret = local->ops->add_interface(&local->hw, vif);
50         trace_drv_add_interface(local, vif_to_sdata(vif), ret);
51         return ret;
52 }
53
54 static inline void drv_remove_interface(struct ieee80211_local *local,
55                                         struct ieee80211_vif *vif)
56 {
57         might_sleep();
58
59         local->ops->remove_interface(&local->hw, vif);
60         trace_drv_remove_interface(local, vif_to_sdata(vif));
61 }
62
63 static inline int drv_config(struct ieee80211_local *local, u32 changed)
64 {
65         int ret;
66
67         might_sleep();
68
69         ret = local->ops->config(&local->hw, changed);
70         trace_drv_config(local, changed, ret);
71         return ret;
72 }
73
74 static inline void drv_bss_info_changed(struct ieee80211_local *local,
75                                         struct ieee80211_sub_if_data *sdata,
76                                         struct ieee80211_bss_conf *info,
77                                         u32 changed)
78 {
79         might_sleep();
80
81         if (local->ops->bss_info_changed)
82                 local->ops->bss_info_changed(&local->hw, &sdata->vif, info, changed);
83         trace_drv_bss_info_changed(local, sdata, info, changed);
84 }
85
86 struct in_ifaddr;
87 static inline int drv_configure_arp_filter(struct ieee80211_local *local,
88                                            struct ieee80211_vif *vif,
89                                            struct in_ifaddr *ifa_list)
90 {
91         int ret = 0;
92
93         might_sleep();
94
95         if (local->ops->configure_arp_filter)
96                 ret = local->ops->configure_arp_filter(&local->hw, vif,
97                                                        ifa_list);
98
99         trace_drv_configure_arp_filter(local, vif_to_sdata(vif), ifa_list, ret);
100         return ret;
101 }
102
103 static inline u64 drv_prepare_multicast(struct ieee80211_local *local,
104                                         struct netdev_hw_addr_list *mc_list)
105 {
106         u64 ret = 0;
107
108         if (local->ops->prepare_multicast)
109                 ret = local->ops->prepare_multicast(&local->hw, mc_list);
110
111         trace_drv_prepare_multicast(local, mc_list->count, ret);
112
113         return ret;
114 }
115
116 static inline void drv_configure_filter(struct ieee80211_local *local,
117                                         unsigned int changed_flags,
118                                         unsigned int *total_flags,
119                                         u64 multicast)
120 {
121         might_sleep();
122
123         local->ops->configure_filter(&local->hw, changed_flags, total_flags,
124                                      multicast);
125         trace_drv_configure_filter(local, changed_flags, total_flags,
126                                    multicast);
127 }
128
129 static inline int drv_set_tim(struct ieee80211_local *local,
130                               struct ieee80211_sta *sta, bool set)
131 {
132         int ret = 0;
133         if (local->ops->set_tim)
134                 ret = local->ops->set_tim(&local->hw, sta, set);
135         trace_drv_set_tim(local, sta, set, ret);
136         return ret;
137 }
138
139 static inline int drv_set_key(struct ieee80211_local *local,
140                               enum set_key_cmd cmd,
141                               struct ieee80211_sub_if_data *sdata,
142                               struct ieee80211_sta *sta,
143                               struct ieee80211_key_conf *key)
144 {
145         int ret;
146
147         might_sleep();
148
149         ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key);
150         trace_drv_set_key(local, cmd, sdata, sta, key, ret);
151         return ret;
152 }
153
154 static inline void drv_update_tkip_key(struct ieee80211_local *local,
155                                        struct ieee80211_sub_if_data *sdata,
156                                        struct ieee80211_key_conf *conf,
157                                        struct sta_info *sta, u32 iv32,
158                                        u16 *phase1key)
159 {
160         struct ieee80211_sta *ista = NULL;
161
162         if (sta)
163                 ista = &sta->sta;
164
165         if (local->ops->update_tkip_key)
166                 local->ops->update_tkip_key(&local->hw, &sdata->vif, conf,
167                                             ista, iv32, phase1key);
168         trace_drv_update_tkip_key(local, sdata, conf, ista, iv32);
169 }
170
171 static inline int drv_hw_scan(struct ieee80211_local *local,
172                               struct ieee80211_sub_if_data *sdata,
173                               struct cfg80211_scan_request *req)
174 {
175         int ret;
176
177         might_sleep();
178
179         ret = local->ops->hw_scan(&local->hw, &sdata->vif, req);
180         trace_drv_hw_scan(local, sdata, req, ret);
181         return ret;
182 }
183
184 static inline void drv_sw_scan_start(struct ieee80211_local *local)
185 {
186         might_sleep();
187
188         if (local->ops->sw_scan_start)
189                 local->ops->sw_scan_start(&local->hw);
190         trace_drv_sw_scan_start(local);
191 }
192
193 static inline void drv_sw_scan_complete(struct ieee80211_local *local)
194 {
195         might_sleep();
196
197         if (local->ops->sw_scan_complete)
198                 local->ops->sw_scan_complete(&local->hw);
199         trace_drv_sw_scan_complete(local);
200 }
201
202 static inline int drv_get_stats(struct ieee80211_local *local,
203                                 struct ieee80211_low_level_stats *stats)
204 {
205         int ret = -EOPNOTSUPP;
206
207         might_sleep();
208
209         if (local->ops->get_stats)
210                 ret = local->ops->get_stats(&local->hw, stats);
211         trace_drv_get_stats(local, stats, ret);
212
213         return ret;
214 }
215
216 static inline void drv_get_tkip_seq(struct ieee80211_local *local,
217                                     u8 hw_key_idx, u32 *iv32, u16 *iv16)
218 {
219         if (local->ops->get_tkip_seq)
220                 local->ops->get_tkip_seq(&local->hw, hw_key_idx, iv32, iv16);
221         trace_drv_get_tkip_seq(local, hw_key_idx, iv32, iv16);
222 }
223
224 static inline int drv_set_rts_threshold(struct ieee80211_local *local,
225                                         u32 value)
226 {
227         int ret = 0;
228
229         might_sleep();
230
231         if (local->ops->set_rts_threshold)
232                 ret = local->ops->set_rts_threshold(&local->hw, value);
233         trace_drv_set_rts_threshold(local, value, ret);
234         return ret;
235 }
236
237 static inline int drv_set_coverage_class(struct ieee80211_local *local,
238                                          u8 value)
239 {
240         int ret = 0;
241         might_sleep();
242
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_set_coverage_class(local, value, 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         if (local->ops->sta_notify)
258                 local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta);
259         trace_drv_sta_notify(local, sdata, cmd, sta);
260 }
261
262 static inline int drv_sta_add(struct ieee80211_local *local,
263                               struct ieee80211_sub_if_data *sdata,
264                               struct ieee80211_sta *sta)
265 {
266         int ret = 0;
267
268         might_sleep();
269
270         if (local->ops->sta_add)
271                 ret = local->ops->sta_add(&local->hw, &sdata->vif, sta);
272         else if (local->ops->sta_notify)
273                 local->ops->sta_notify(&local->hw, &sdata->vif,
274                                         STA_NOTIFY_ADD, sta);
275
276         trace_drv_sta_add(local, sdata, sta, ret);
277
278         return ret;
279 }
280
281 static inline void drv_sta_remove(struct ieee80211_local *local,
282                                   struct ieee80211_sub_if_data *sdata,
283                                   struct ieee80211_sta *sta)
284 {
285         might_sleep();
286
287         if (local->ops->sta_remove)
288                 local->ops->sta_remove(&local->hw, &sdata->vif, sta);
289         else if (local->ops->sta_notify)
290                 local->ops->sta_notify(&local->hw, &sdata->vif,
291                                         STA_NOTIFY_REMOVE, sta);
292
293         trace_drv_sta_remove(local, sdata, sta);
294 }
295
296 static inline int drv_conf_tx(struct ieee80211_local *local, u16 queue,
297                               const struct ieee80211_tx_queue_params *params)
298 {
299         int ret = -EOPNOTSUPP;
300
301         might_sleep();
302
303         if (local->ops->conf_tx)
304                 ret = local->ops->conf_tx(&local->hw, queue, params);
305         trace_drv_conf_tx(local, queue, params, ret);
306         return ret;
307 }
308
309 static inline u64 drv_get_tsf(struct ieee80211_local *local)
310 {
311         u64 ret = -1ULL;
312
313         might_sleep();
314
315         if (local->ops->get_tsf)
316                 ret = local->ops->get_tsf(&local->hw);
317         trace_drv_get_tsf(local, ret);
318         return ret;
319 }
320
321 static inline void drv_set_tsf(struct ieee80211_local *local, u64 tsf)
322 {
323         might_sleep();
324
325         if (local->ops->set_tsf)
326                 local->ops->set_tsf(&local->hw, tsf);
327         trace_drv_set_tsf(local, tsf);
328 }
329
330 static inline void drv_reset_tsf(struct ieee80211_local *local)
331 {
332         might_sleep();
333
334         if (local->ops->reset_tsf)
335                 local->ops->reset_tsf(&local->hw);
336         trace_drv_reset_tsf(local);
337 }
338
339 static inline int drv_tx_last_beacon(struct ieee80211_local *local)
340 {
341         int ret = 1;
342
343         might_sleep();
344
345         if (local->ops->tx_last_beacon)
346                 ret = local->ops->tx_last_beacon(&local->hw);
347         trace_drv_tx_last_beacon(local, ret);
348         return ret;
349 }
350
351 static inline int drv_ampdu_action(struct ieee80211_local *local,
352                                    struct ieee80211_sub_if_data *sdata,
353                                    enum ieee80211_ampdu_mlme_action action,
354                                    struct ieee80211_sta *sta, u16 tid,
355                                    u16 *ssn)
356 {
357         int ret = -EOPNOTSUPP;
358         if (local->ops->ampdu_action)
359                 ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
360                                                sta, tid, ssn);
361         trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, ret);
362         return ret;
363 }
364
365 static inline int drv_get_survey(struct ieee80211_local *local, int idx,
366                                 struct survey_info *survey)
367 {
368         int ret = -EOPNOTSUPP;
369         if (local->ops->conf_tx)
370                 ret = local->ops->get_survey(&local->hw, idx, survey);
371         /* trace_drv_get_survey(local, idx, survey, ret); */
372         return ret;
373 }
374
375 static inline void drv_rfkill_poll(struct ieee80211_local *local)
376 {
377         might_sleep();
378
379         if (local->ops->rfkill_poll)
380                 local->ops->rfkill_poll(&local->hw);
381 }
382
383 static inline void drv_flush(struct ieee80211_local *local, bool drop)
384 {
385         might_sleep();
386
387         trace_drv_flush(local, drop);
388         if (local->ops->flush)
389                 local->ops->flush(&local->hw, drop);
390 }
391
392 static inline void drv_channel_switch(struct ieee80211_local *local,
393                                      struct ieee80211_channel_switch *ch_switch)
394 {
395         might_sleep();
396
397         local->ops->channel_switch(&local->hw, ch_switch);
398
399         trace_drv_channel_switch(local, ch_switch);
400 }
401
402 #endif /* __MAC80211_DRIVER_OPS */