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 cfg80211_scan_request *req)
 156 {
 157         int ret;
 158
 159         might_sleep();
 160
 161         ret = local->ops->hw_scan(&local->hw, req);
 162         trace_drv_hw_scan(local, req, ret);
 163         return ret;
 164 }
 165
 166 static inline void drv_sw_scan_start(struct ieee80211_local *local)
 167 {
 168         might_sleep();
 169
 170         if (local->ops->sw_scan_start)
 171                 local->ops->sw_scan_start(&local->hw);
 172         trace_drv_sw_scan_start(local);
 173 }
 174
 175 static inline void drv_sw_scan_complete(struct ieee80211_local *local)
 176 {
 177         might_sleep();
 178
 179         if (local->ops->sw_scan_complete)
 180                 local->ops->sw_scan_complete(&local->hw);
 181         trace_drv_sw_scan_complete(local);
 182 }
 183
 184 static inline int drv_get_stats(struct ieee80211_local *local,
 185                                 struct ieee80211_low_level_stats *stats)
 186 {
 187         int ret = -EOPNOTSUPP;
 188
 189         might_sleep();
 190
 191         if (local->ops->get_stats)
 192                 ret = local->ops->get_stats(&local->hw, stats);
 193         trace_drv_get_stats(local, stats, ret);
 194
 195         return ret;
 196 }
 197
 198 static inline void drv_get_tkip_seq(struct ieee80211_local *local,
 199                                     u8 hw_key_idx, u32 *iv32, u16 *iv16)
 200 {
 201         if (local->ops->get_tkip_seq)
 202                 local->ops->get_tkip_seq(&local->hw, hw_key_idx, iv32, iv16);
 203         trace_drv_get_tkip_seq(local, hw_key_idx, iv32, iv16);
 204 }
 205
 206 static inline int drv_set_rts_threshold(struct ieee80211_local *local,
 207                                         u32 value)
 208 {
 209         int ret = 0;
 210
 211         might_sleep();
 212
 213         if (local->ops->set_rts_threshold)
 214                 ret = local->ops->set_rts_threshold(&local->hw, value);
 215         trace_drv_set_rts_threshold(local, value, ret);
 216         return ret;
 217 }
 218
 219 static inline int drv_set_coverage_class(struct ieee80211_local *local,
 220                                          u8 value)
 221 {
 222         int ret = 0;
 223         might_sleep();
 224
 225         if (local->ops->set_coverage_class)
 226                 local->ops->set_coverage_class(&local->hw, value);
 227         else
 228                 ret = -EOPNOTSUPP;
 229
 230         trace_drv_set_coverage_class(local, value, ret);
 231         return ret;
 232 }
 233
 234 static inline void drv_sta_notify(struct ieee80211_local *local,
 235                                   struct ieee80211_sub_if_data *sdata,
 236                                   enum sta_notify_cmd cmd,
 237                                   struct ieee80211_sta *sta)
 238 {
 239         if (local->ops->sta_notify)
 240                 local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta);
 241         trace_drv_sta_notify(local, sdata, cmd, sta);
 242 }
 243
 244 static inline int drv_sta_add(struct ieee80211_local *local,
 245                               struct ieee80211_sub_if_data *sdata,
 246                               struct ieee80211_sta *sta)
 247 {
 248         int ret = 0;
 249
 250         might_sleep();
 251
 252         if (local->ops->sta_add)
 253                 ret = local->ops->sta_add(&local->hw, &sdata->vif, sta);
 254         else if (local->ops->sta_notify)
 255                 local->ops->sta_notify(&local->hw, &sdata->vif,
 256                                         STA_NOTIFY_ADD, sta);
 257
 258         trace_drv_sta_add(local, sdata, sta, ret);
 259
 260         return ret;
 261 }
 262
 263 static inline void drv_sta_remove(struct ieee80211_local *local,
 264                                   struct ieee80211_sub_if_data *sdata,
 265                                   struct ieee80211_sta *sta)
 266 {
 267         might_sleep();
 268
 269         if (local->ops->sta_remove)
 270                 local->ops->sta_remove(&local->hw, &sdata->vif, sta);
 271         else if (local->ops->sta_notify)
 272                 local->ops->sta_notify(&local->hw, &sdata->vif,
 273                                         STA_NOTIFY_REMOVE, sta);
 274
 275         trace_drv_sta_remove(local, sdata, sta);
 276 }
 277
 278 static inline int drv_conf_tx(struct ieee80211_local *local, u16 queue,
 279                               const struct ieee80211_tx_queue_params *params)
 280 {
 281         int ret = -EOPNOTSUPP;
 282
 283         might_sleep();
 284
 285         if (local->ops->conf_tx)
 286                 ret = local->ops->conf_tx(&local->hw, queue, params);
 287         trace_drv_conf_tx(local, queue, params, ret);
 288         return ret;
 289 }
 290
 291 static inline u64 drv_get_tsf(struct ieee80211_local *local)
 292 {
 293         u64 ret = -1ULL;
 294
 295         might_sleep();
 296
 297         if (local->ops->get_tsf)
 298                 ret = local->ops->get_tsf(&local->hw);
 299         trace_drv_get_tsf(local, ret);
 300         return ret;
 301 }
 302
 303 static inline void drv_set_tsf(struct ieee80211_local *local, u64 tsf)
 304 {
 305         might_sleep();
 306
 307         if (local->ops->set_tsf)
 308                 local->ops->set_tsf(&local->hw, tsf);
 309         trace_drv_set_tsf(local, tsf);
 310 }
 311
 312 static inline void drv_reset_tsf(struct ieee80211_local *local)
 313 {
 314         might_sleep();
 315
 316         if (local->ops->reset_tsf)
 317                 local->ops->reset_tsf(&local->hw);
 318         trace_drv_reset_tsf(local);
 319 }
 320
 321 static inline int drv_tx_last_beacon(struct ieee80211_local *local)
 322 {
 323         int ret = 1;
 324
 325         might_sleep();
 326
 327         if (local->ops->tx_last_beacon)
 328                 ret = local->ops->tx_last_beacon(&local->hw);
 329         trace_drv_tx_last_beacon(local, ret);
 330         return ret;
 331 }
 332
 333 static inline int drv_ampdu_action(struct ieee80211_local *local,
 334                                    struct ieee80211_sub_if_data *sdata,
 335                                    enum ieee80211_ampdu_mlme_action action,
 336                                    struct ieee80211_sta *sta, u16 tid,
 337                                    u16 *ssn)
 338 {
 339         int ret = -EOPNOTSUPP;
 340         if (local->ops->ampdu_action)
 341                 ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
 342                                                sta, tid, ssn);
 343         trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, ret);
 344         return ret;
 345 }
 346
 347
 348 static inline void drv_rfkill_poll(struct ieee80211_local *local)
 349 {
 350         might_sleep();
 351
 352         if (local->ops->rfkill_poll)
 353                 local->ops->rfkill_poll(&local->hw);
 354 }
 355
 356 static inline void drv_flush(struct ieee80211_local *local, bool drop)
 357 {
 358         might_sleep();
 359
 360         trace_drv_flush(local, drop);
 361         if (local->ops->flush)
 362                 local->ops->flush(&local->hw, drop);
 363 }
 364 #endif /* __MAC80211_DRIVER_OPS */