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