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