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
 273         trace_drv_sta_add(local, sdata, sta, ret);
 274
 275         return ret;
 276 }
 277
 278 static inline void drv_sta_remove(struct ieee80211_local *local,
 279                                   struct ieee80211_sub_if_data *sdata,
 280                                   struct ieee80211_sta *sta)
 281 {
 282         might_sleep();
 283
 284         if (local->ops->sta_remove)
 285                 local->ops->sta_remove(&local->hw, &sdata->vif, sta);
 286
 287         trace_drv_sta_remove(local, sdata, sta);
 288 }
 289
 290 static inline int drv_conf_tx(struct ieee80211_local *local, u16 queue,
 291                               const struct ieee80211_tx_queue_params *params)
 292 {
 293         int ret = -EOPNOTSUPP;
 294
 295         might_sleep();
 296
 297         if (local->ops->conf_tx)
 298                 ret = local->ops->conf_tx(&local->hw, queue, params);
 299         trace_drv_conf_tx(local, queue, params, ret);
 300         return ret;
 301 }
 302
 303 static inline u64 drv_get_tsf(struct ieee80211_local *local)
 304 {
 305         u64 ret = -1ULL;
 306
 307         might_sleep();
 308
 309         if (local->ops->get_tsf)
 310                 ret = local->ops->get_tsf(&local->hw);
 311         trace_drv_get_tsf(local, ret);
 312         return ret;
 313 }
 314
 315 static inline void drv_set_tsf(struct ieee80211_local *local, u64 tsf)
 316 {
 317         might_sleep();
 318
 319         if (local->ops->set_tsf)
 320                 local->ops->set_tsf(&local->hw, tsf);
 321         trace_drv_set_tsf(local, tsf);
 322 }
 323
 324 static inline void drv_reset_tsf(struct ieee80211_local *local)
 325 {
 326         might_sleep();
 327
 328         if (local->ops->reset_tsf)
 329                 local->ops->reset_tsf(&local->hw);
 330         trace_drv_reset_tsf(local);
 331 }
 332
 333 static inline int drv_tx_last_beacon(struct ieee80211_local *local)
 334 {
 335         int ret = 1;
 336
 337         might_sleep();
 338
 339         if (local->ops->tx_last_beacon)
 340                 ret = local->ops->tx_last_beacon(&local->hw);
 341         trace_drv_tx_last_beacon(local, ret);
 342         return ret;
 343 }
 344
 345 static inline int drv_ampdu_action(struct ieee80211_local *local,
 346                                    struct ieee80211_sub_if_data *sdata,
 347                                    enum ieee80211_ampdu_mlme_action action,
 348                                    struct ieee80211_sta *sta, u16 tid,
 349                                    u16 *ssn)
 350 {
 351         int ret = -EOPNOTSUPP;
 352         if (local->ops->ampdu_action)
 353                 ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
 354                                                sta, tid, ssn);
 355         trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, ret);
 356         return ret;
 357 }
 358
 359 static inline int drv_get_survey(struct ieee80211_local *local, int idx,
 360                                 struct survey_info *survey)
 361 {
 362         int ret = -EOPNOTSUPP;
 363         if (local->ops->get_survey)
 364                 ret = local->ops->get_survey(&local->hw, idx, survey);
 365         /* trace_drv_get_survey(local, idx, survey, ret); */
 366         return ret;
 367 }
 368
 369 static inline void drv_rfkill_poll(struct ieee80211_local *local)
 370 {
 371         might_sleep();
 372
 373         if (local->ops->rfkill_poll)
 374                 local->ops->rfkill_poll(&local->hw);
 375 }
 376
 377 static inline void drv_flush(struct ieee80211_local *local, bool drop)
 378 {
 379         might_sleep();
 380
 381         trace_drv_flush(local, drop);
 382         if (local->ops->flush)
 383                 local->ops->flush(&local->hw, drop);
 384 }
 385
 386 static inline void drv_channel_switch(struct ieee80211_local *local,
 387                                      struct ieee80211_channel_switch *ch_switch)
 388 {
 389         might_sleep();
 390
 391         local->ops->channel_switch(&local->hw, ch_switch);
 392
 393         trace_drv_channel_switch(local, ch_switch);
 394 }
 395
 396 #endif /* __MAC80211_DRIVER_OPS */