mac80211: introduce flush operation
[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         local->started = true;
18         smp_mb();
19         ret = local->ops->start(&local->hw);
20         trace_drv_start(local, ret);
21         return ret;
22 }
23
24 static inline void drv_stop(struct ieee80211_local *local)
25 {
26         local->ops->stop(&local->hw);
27         trace_drv_stop(local);
28
29         /* sync away all work on the tasklet before clearing started */
30         tasklet_disable(&local->tasklet);
31         tasklet_enable(&local->tasklet);
32
33         barrier();
34
35         local->started = false;
36 }
37
38 static inline int drv_add_interface(struct ieee80211_local *local,
39                                     struct ieee80211_if_init_conf *conf)
40 {
41         int ret = local->ops->add_interface(&local->hw, conf);
42         trace_drv_add_interface(local, vif_to_sdata(conf->vif), ret);
43         return ret;
44 }
45
46 static inline void drv_remove_interface(struct ieee80211_local *local,
47                                         struct ieee80211_if_init_conf *conf)
48 {
49         local->ops->remove_interface(&local->hw, conf);
50         trace_drv_remove_interface(local, vif_to_sdata(conf->vif));
51 }
52
53 static inline int drv_config(struct ieee80211_local *local, u32 changed)
54 {
55         int ret = local->ops->config(&local->hw, changed);
56         trace_drv_config(local, changed, ret);
57         return ret;
58 }
59
60 static inline void drv_bss_info_changed(struct ieee80211_local *local,
61                                         struct ieee80211_sub_if_data *sdata,
62                                         struct ieee80211_bss_conf *info,
63                                         u32 changed)
64 {
65         if (local->ops->bss_info_changed)
66                 local->ops->bss_info_changed(&local->hw, &sdata->vif, info, changed);
67         trace_drv_bss_info_changed(local, sdata, info, changed);
68 }
69
70 static inline u64 drv_prepare_multicast(struct ieee80211_local *local,
71                                         int mc_count,
72                                         struct dev_addr_list *mc_list)
73 {
74         u64 ret = 0;
75
76         if (local->ops->prepare_multicast)
77                 ret = local->ops->prepare_multicast(&local->hw, mc_count,
78                                                     mc_list);
79
80         trace_drv_prepare_multicast(local, mc_count, ret);
81
82         return ret;
83 }
84
85 static inline void drv_configure_filter(struct ieee80211_local *local,
86                                         unsigned int changed_flags,
87                                         unsigned int *total_flags,
88                                         u64 multicast)
89 {
90         might_sleep();
91
92         local->ops->configure_filter(&local->hw, changed_flags, total_flags,
93                                      multicast);
94         trace_drv_configure_filter(local, changed_flags, total_flags,
95                                    multicast);
96 }
97
98 static inline int drv_set_tim(struct ieee80211_local *local,
99                               struct ieee80211_sta *sta, bool set)
100 {
101         int ret = 0;
102         if (local->ops->set_tim)
103                 ret = local->ops->set_tim(&local->hw, sta, set);
104         trace_drv_set_tim(local, sta, set, ret);
105         return ret;
106 }
107
108 static inline int drv_set_key(struct ieee80211_local *local,
109                               enum set_key_cmd cmd,
110                               struct ieee80211_sub_if_data *sdata,
111                               struct ieee80211_sta *sta,
112                               struct ieee80211_key_conf *key)
113 {
114         int ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key);
115         trace_drv_set_key(local, cmd, sdata, sta, key, ret);
116         return ret;
117 }
118
119 static inline void drv_update_tkip_key(struct ieee80211_local *local,
120                                        struct ieee80211_key_conf *conf,
121                                        const u8 *address, u32 iv32,
122                                        u16 *phase1key)
123 {
124         if (local->ops->update_tkip_key)
125                 local->ops->update_tkip_key(&local->hw, conf, address,
126                                             iv32, phase1key);
127         trace_drv_update_tkip_key(local, conf, address, iv32);
128 }
129
130 static inline int drv_hw_scan(struct ieee80211_local *local,
131                               struct cfg80211_scan_request *req)
132 {
133         int ret = local->ops->hw_scan(&local->hw, req);
134         trace_drv_hw_scan(local, req, ret);
135         return ret;
136 }
137
138 static inline void drv_sw_scan_start(struct ieee80211_local *local)
139 {
140         if (local->ops->sw_scan_start)
141                 local->ops->sw_scan_start(&local->hw);
142         trace_drv_sw_scan_start(local);
143 }
144
145 static inline void drv_sw_scan_complete(struct ieee80211_local *local)
146 {
147         if (local->ops->sw_scan_complete)
148                 local->ops->sw_scan_complete(&local->hw);
149         trace_drv_sw_scan_complete(local);
150 }
151
152 static inline int drv_get_stats(struct ieee80211_local *local,
153                                 struct ieee80211_low_level_stats *stats)
154 {
155         int ret = -EOPNOTSUPP;
156
157         if (local->ops->get_stats)
158                 ret = local->ops->get_stats(&local->hw, stats);
159         trace_drv_get_stats(local, stats, ret);
160
161         return ret;
162 }
163
164 static inline void drv_get_tkip_seq(struct ieee80211_local *local,
165                                     u8 hw_key_idx, u32 *iv32, u16 *iv16)
166 {
167         if (local->ops->get_tkip_seq)
168                 local->ops->get_tkip_seq(&local->hw, hw_key_idx, iv32, iv16);
169         trace_drv_get_tkip_seq(local, hw_key_idx, iv32, iv16);
170 }
171
172 static inline int drv_set_rts_threshold(struct ieee80211_local *local,
173                                         u32 value)
174 {
175         int ret = 0;
176         if (local->ops->set_rts_threshold)
177                 ret = local->ops->set_rts_threshold(&local->hw, value);
178         trace_drv_set_rts_threshold(local, value, ret);
179         return ret;
180 }
181
182 static inline void drv_sta_notify(struct ieee80211_local *local,
183                                   struct ieee80211_sub_if_data *sdata,
184                                   enum sta_notify_cmd cmd,
185                                   struct ieee80211_sta *sta)
186 {
187         if (local->ops->sta_notify)
188                 local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta);
189         trace_drv_sta_notify(local, sdata, cmd, sta);
190 }
191
192 static inline int drv_conf_tx(struct ieee80211_local *local, u16 queue,
193                               const struct ieee80211_tx_queue_params *params)
194 {
195         int ret = -EOPNOTSUPP;
196         if (local->ops->conf_tx)
197                 ret = local->ops->conf_tx(&local->hw, queue, params);
198         trace_drv_conf_tx(local, queue, params, ret);
199         return ret;
200 }
201
202 static inline int drv_get_tx_stats(struct ieee80211_local *local,
203                                    struct ieee80211_tx_queue_stats *stats)
204 {
205         int ret = local->ops->get_tx_stats(&local->hw, stats);
206         trace_drv_get_tx_stats(local, stats, ret);
207         return ret;
208 }
209
210 static inline u64 drv_get_tsf(struct ieee80211_local *local)
211 {
212         u64 ret = -1ULL;
213         if (local->ops->get_tsf)
214                 ret = local->ops->get_tsf(&local->hw);
215         trace_drv_get_tsf(local, ret);
216         return ret;
217 }
218
219 static inline void drv_set_tsf(struct ieee80211_local *local, u64 tsf)
220 {
221         if (local->ops->set_tsf)
222                 local->ops->set_tsf(&local->hw, tsf);
223         trace_drv_set_tsf(local, tsf);
224 }
225
226 static inline void drv_reset_tsf(struct ieee80211_local *local)
227 {
228         if (local->ops->reset_tsf)
229                 local->ops->reset_tsf(&local->hw);
230         trace_drv_reset_tsf(local);
231 }
232
233 static inline int drv_tx_last_beacon(struct ieee80211_local *local)
234 {
235         int ret = 1;
236         if (local->ops->tx_last_beacon)
237                 ret = local->ops->tx_last_beacon(&local->hw);
238         trace_drv_tx_last_beacon(local, ret);
239         return ret;
240 }
241
242 static inline int drv_ampdu_action(struct ieee80211_local *local,
243                                    struct ieee80211_sub_if_data *sdata,
244                                    enum ieee80211_ampdu_mlme_action action,
245                                    struct ieee80211_sta *sta, u16 tid,
246                                    u16 *ssn)
247 {
248         int ret = -EOPNOTSUPP;
249         if (local->ops->ampdu_action)
250                 ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
251                                                sta, tid, ssn);
252         trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, ret);
253         return ret;
254 }
255
256
257 static inline void drv_rfkill_poll(struct ieee80211_local *local)
258 {
259         if (local->ops->rfkill_poll)
260                 local->ops->rfkill_poll(&local->hw);
261 }
262
263 static inline void drv_flush(struct ieee80211_local *local, bool drop)
264 {
265         trace_drv_flush(local, drop);
266         if (local->ops->flush)
267                 local->ops->flush(&local->hw, drop);
268 }
269 #endif /* __MAC80211_DRIVER_OPS */