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 void drv_tx(struct ieee80211_local *local, struct sk_buff *skb)
   9 {
  10         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         trace_drv_start(local);
  20         local->started = true;
  21         smp_mb();
  22         ret = local->ops->start(&local->hw);
  23         trace_drv_return_int(local, ret);
  24         return ret;
  25 }
  26
  27 static inline void drv_stop(struct ieee80211_local *local)
  28 {
  29         might_sleep();
  30
  31         trace_drv_stop(local);
  32         local->ops->stop(&local->hw);
  33         trace_drv_return_void(local);
  34
  35         /* sync away all work on the tasklet before clearing started */
  36         tasklet_disable(&local->tasklet);
  37         tasklet_enable(&local->tasklet);
  38
  39         barrier();
  40
  41         local->started = false;
  42 }
  43
  44 #ifdef CONFIG_PM
  45 static inline int drv_suspend(struct ieee80211_local *local,
  46                               struct cfg80211_wowlan *wowlan)
  47 {
  48         int ret;
  49
  50         might_sleep();
  51
  52         trace_drv_suspend(local);
  53         ret = local->ops->suspend(&local->hw, wowlan);
  54         trace_drv_return_int(local, ret);
  55         return ret;
  56 }
  57
  58 static inline int drv_resume(struct ieee80211_local *local)
  59 {
  60         int ret;
  61
  62         might_sleep();
  63
  64         trace_drv_resume(local);
  65         ret = local->ops->resume(&local->hw);
  66         trace_drv_return_int(local, ret);
  67         return ret;
  68 }
  69 #endif
  70
  71 static inline int drv_add_interface(struct ieee80211_local *local,
  72                                     struct ieee80211_vif *vif)
  73 {
  74         int ret;
  75
  76         might_sleep();
  77
  78         trace_drv_add_interface(local, vif_to_sdata(vif));
  79         ret = local->ops->add_interface(&local->hw, vif);
  80         trace_drv_return_int(local, ret);
  81         return ret;
  82 }
  83
  84 static inline int drv_change_interface(struct ieee80211_local *local,
  85                                        struct ieee80211_sub_if_data *sdata,
  86                                        enum nl80211_iftype type, bool p2p)
  87 {
  88         int ret;
  89
  90         might_sleep();
  91
  92         trace_drv_change_interface(local, sdata, type, p2p);
  93         ret = local->ops->change_interface(&local->hw, &sdata->vif, type, p2p);
  94         trace_drv_return_int(local, ret);
  95         return ret;
  96 }
  97
  98 static inline void drv_remove_interface(struct ieee80211_local *local,
  99                                         struct ieee80211_vif *vif)
 100 {
 101         might_sleep();
 102
 103         trace_drv_remove_interface(local, vif_to_sdata(vif));
 104         local->ops->remove_interface(&local->hw, vif);
 105         trace_drv_return_void(local);
 106 }
 107
 108 static inline int drv_config(struct ieee80211_local *local, u32 changed)
 109 {
 110         int ret;
 111
 112         might_sleep();
 113
 114         trace_drv_config(local, changed);
 115         ret = local->ops->config(&local->hw, changed);
 116         trace_drv_return_int(local, ret);
 117         return ret;
 118 }
 119
 120 static inline void drv_bss_info_changed(struct ieee80211_local *local,
 121                                         struct ieee80211_sub_if_data *sdata,
 122                                         struct ieee80211_bss_conf *info,
 123                                         u32 changed)
 124 {
 125         might_sleep();
 126
 127         trace_drv_bss_info_changed(local, sdata, info, changed);
 128         if (local->ops->bss_info_changed)
 129                 local->ops->bss_info_changed(&local->hw, &sdata->vif, info, changed);
 130         trace_drv_return_void(local);
 131 }
 132
 133 static inline u64 drv_prepare_multicast(struct ieee80211_local *local,
 134                                         struct netdev_hw_addr_list *mc_list)
 135 {
 136         u64 ret = 0;
 137
 138         trace_drv_prepare_multicast(local, mc_list->count);
 139
 140         if (local->ops->prepare_multicast)
 141                 ret = local->ops->prepare_multicast(&local->hw, mc_list);
 142
 143         trace_drv_return_u64(local, ret);
 144
 145         return ret;
 146 }
 147
 148 static inline void drv_configure_filter(struct ieee80211_local *local,
 149                                         unsigned int changed_flags,
 150                                         unsigned int *total_flags,
 151                                         u64 multicast)
 152 {
 153         might_sleep();
 154
 155         trace_drv_configure_filter(local, changed_flags, total_flags,
 156                                    multicast);
 157         local->ops->configure_filter(&local->hw, changed_flags, total_flags,
 158                                      multicast);
 159         trace_drv_return_void(local);
 160 }
 161
 162 static inline int drv_set_tim(struct ieee80211_local *local,
 163                               struct ieee80211_sta *sta, bool set)
 164 {
 165         int ret = 0;
 166         trace_drv_set_tim(local, sta, set);
 167         if (local->ops->set_tim)
 168                 ret = local->ops->set_tim(&local->hw, sta, set);
 169         trace_drv_return_int(local, ret);
 170         return ret;
 171 }
 172
 173 static inline int drv_set_key(struct ieee80211_local *local,
 174                               enum set_key_cmd cmd,
 175                               struct ieee80211_sub_if_data *sdata,
 176                               struct ieee80211_sta *sta,
 177                               struct ieee80211_key_conf *key)
 178 {
 179         int ret;
 180
 181         might_sleep();
 182
 183         trace_drv_set_key(local, cmd, sdata, sta, key);
 184         ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key);
 185         trace_drv_return_int(local, ret);
 186         return ret;
 187 }
 188
 189 static inline void drv_update_tkip_key(struct ieee80211_local *local,
 190                                        struct ieee80211_sub_if_data *sdata,
 191                                        struct ieee80211_key_conf *conf,
 192                                        struct sta_info *sta, u32 iv32,
 193                                        u16 *phase1key)
 194 {
 195         struct ieee80211_sta *ista = NULL;
 196
 197         if (sta)
 198                 ista = &sta->sta;
 199
 200         trace_drv_update_tkip_key(local, sdata, conf, ista, iv32);
 201         if (local->ops->update_tkip_key)
 202                 local->ops->update_tkip_key(&local->hw, &sdata->vif, conf,
 203                                             ista, iv32, phase1key);
 204         trace_drv_return_void(local);
 205 }
 206
 207 static inline int drv_hw_scan(struct ieee80211_local *local,
 208                               struct ieee80211_sub_if_data *sdata,
 209                               struct cfg80211_scan_request *req)
 210 {
 211         int ret;
 212
 213         might_sleep();
 214
 215         trace_drv_hw_scan(local, sdata);
 216         ret = local->ops->hw_scan(&local->hw, &sdata->vif, req);
 217         trace_drv_return_int(local, ret);
 218         return ret;
 219 }
 220
 221 static inline void drv_cancel_hw_scan(struct ieee80211_local *local,
 222                                       struct ieee80211_sub_if_data *sdata)
 223 {
 224         might_sleep();
 225
 226         trace_drv_cancel_hw_scan(local, sdata);
 227         local->ops->cancel_hw_scan(&local->hw, &sdata->vif);
 228         trace_drv_return_void(local);
 229 }
 230
 231 static inline int
 232 drv_sched_scan_start(struct ieee80211_local *local,
 233                      struct ieee80211_sub_if_data *sdata,
 234                      struct cfg80211_sched_scan_request *req,
 235                      struct ieee80211_sched_scan_ies *ies)
 236 {
 237         int ret;
 238
 239         might_sleep();
 240
 241         trace_drv_sched_scan_start(local, sdata);
 242         ret = local->ops->sched_scan_start(&local->hw, &sdata->vif,
 243                                               req, ies);
 244         trace_drv_return_int(local, ret);
 245         return ret;
 246 }
 247
 248 static inline void drv_sched_scan_stop(struct ieee80211_local *local,
 249                                        struct ieee80211_sub_if_data *sdata)
 250 {
 251         might_sleep();
 252
 253         trace_drv_sched_scan_stop(local, sdata);
 254         local->ops->sched_scan_stop(&local->hw, &sdata->vif);
 255         trace_drv_return_void(local);
 256 }
 257
 258 static inline void drv_sw_scan_start(struct ieee80211_local *local)
 259 {
 260         might_sleep();
 261
 262         trace_drv_sw_scan_start(local);
 263         if (local->ops->sw_scan_start)
 264                 local->ops->sw_scan_start(&local->hw);
 265         trace_drv_return_void(local);
 266 }
 267
 268 static inline void drv_sw_scan_complete(struct ieee80211_local *local)
 269 {
 270         might_sleep();
 271
 272         trace_drv_sw_scan_complete(local);
 273         if (local->ops->sw_scan_complete)
 274                 local->ops->sw_scan_complete(&local->hw);
 275         trace_drv_return_void(local);
 276 }
 277
 278 static inline int drv_get_stats(struct ieee80211_local *local,
 279                                 struct ieee80211_low_level_stats *stats)
 280 {
 281         int ret = -EOPNOTSUPP;
 282
 283         might_sleep();
 284
 285         if (local->ops->get_stats)
 286                 ret = local->ops->get_stats(&local->hw, stats);
 287         trace_drv_get_stats(local, stats, ret);
 288
 289         return ret;
 290 }
 291
 292 static inline void drv_get_tkip_seq(struct ieee80211_local *local,
 293                                     u8 hw_key_idx, u32 *iv32, u16 *iv16)
 294 {
 295         if (local->ops->get_tkip_seq)
 296                 local->ops->get_tkip_seq(&local->hw, hw_key_idx, iv32, iv16);
 297         trace_drv_get_tkip_seq(local, hw_key_idx, iv32, iv16);
 298 }
 299
 300 static inline int drv_set_frag_threshold(struct ieee80211_local *local,
 301                                         u32 value)
 302 {
 303         int ret = 0;
 304
 305         might_sleep();
 306
 307         trace_drv_set_frag_threshold(local, value);
 308         if (local->ops->set_frag_threshold)
 309                 ret = local->ops->set_frag_threshold(&local->hw, value);
 310         trace_drv_return_int(local, ret);
 311         return ret;
 312 }
 313
 314 static inline int drv_set_rts_threshold(struct ieee80211_local *local,
 315                                         u32 value)
 316 {
 317         int ret = 0;
 318
 319         might_sleep();
 320
 321         trace_drv_set_rts_threshold(local, value);
 322         if (local->ops->set_rts_threshold)
 323                 ret = local->ops->set_rts_threshold(&local->hw, value);
 324         trace_drv_return_int(local, ret);
 325         return ret;
 326 }
 327
 328 static inline int drv_set_coverage_class(struct ieee80211_local *local,
 329                                          u8 value)
 330 {
 331         int ret = 0;
 332         might_sleep();
 333
 334         trace_drv_set_coverage_class(local, value);
 335         if (local->ops->set_coverage_class)
 336                 local->ops->set_coverage_class(&local->hw, value);
 337         else
 338                 ret = -EOPNOTSUPP;
 339
 340         trace_drv_return_int(local, ret);
 341         return ret;
 342 }
 343
 344 static inline void drv_sta_notify(struct ieee80211_local *local,
 345                                   struct ieee80211_sub_if_data *sdata,
 346                                   enum sta_notify_cmd cmd,
 347                                   struct ieee80211_sta *sta)
 348 {
 349         trace_drv_sta_notify(local, sdata, cmd, sta);
 350         if (local->ops->sta_notify)
 351                 local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta);
 352         trace_drv_return_void(local);
 353 }
 354
 355 static inline int drv_sta_add(struct ieee80211_local *local,
 356                               struct ieee80211_sub_if_data *sdata,
 357                               struct ieee80211_sta *sta)
 358 {
 359         int ret = 0;
 360
 361         might_sleep();
 362
 363         trace_drv_sta_add(local, sdata, sta);
 364         if (local->ops->sta_add)
 365                 ret = local->ops->sta_add(&local->hw, &sdata->vif, sta);
 366
 367         trace_drv_return_int(local, ret);
 368
 369         return ret;
 370 }
 371
 372 static inline void drv_sta_remove(struct ieee80211_local *local,
 373                                   struct ieee80211_sub_if_data *sdata,
 374                                   struct ieee80211_sta *sta)
 375 {
 376         might_sleep();
 377
 378         trace_drv_sta_remove(local, sdata, sta);
 379         if (local->ops->sta_remove)
 380                 local->ops->sta_remove(&local->hw, &sdata->vif, sta);
 381
 382         trace_drv_return_void(local);
 383 }
 384
 385 static inline int drv_conf_tx(struct ieee80211_local *local, u16 queue,
 386                               const struct ieee80211_tx_queue_params *params)
 387 {
 388         int ret = -EOPNOTSUPP;
 389
 390         might_sleep();
 391
 392         trace_drv_conf_tx(local, queue, params);
 393         if (local->ops->conf_tx)
 394                 ret = local->ops->conf_tx(&local->hw, queue, params);
 395         trace_drv_return_int(local, ret);
 396         return ret;
 397 }
 398
 399 static inline u64 drv_get_tsf(struct ieee80211_local *local)
 400 {
 401         u64 ret = -1ULL;
 402
 403         might_sleep();
 404
 405         trace_drv_get_tsf(local);
 406         if (local->ops->get_tsf)
 407                 ret = local->ops->get_tsf(&local->hw);
 408         trace_drv_return_u64(local, ret);
 409         return ret;
 410 }
 411
 412 static inline void drv_set_tsf(struct ieee80211_local *local, u64 tsf)
 413 {
 414         might_sleep();
 415
 416         trace_drv_set_tsf(local, tsf);
 417         if (local->ops->set_tsf)
 418                 local->ops->set_tsf(&local->hw, tsf);
 419         trace_drv_return_void(local);
 420 }
 421
 422 static inline void drv_reset_tsf(struct ieee80211_local *local)
 423 {
 424         might_sleep();
 425
 426         trace_drv_reset_tsf(local);
 427         if (local->ops->reset_tsf)
 428                 local->ops->reset_tsf(&local->hw);
 429         trace_drv_return_void(local);
 430 }
 431
 432 static inline int drv_tx_last_beacon(struct ieee80211_local *local)
 433 {
 434         int ret = 0; /* default unsuported op for less congestion */
 435
 436         might_sleep();
 437
 438         trace_drv_tx_last_beacon(local);
 439         if (local->ops->tx_last_beacon)
 440                 ret = local->ops->tx_last_beacon(&local->hw);
 441         trace_drv_return_int(local, ret);
 442         return ret;
 443 }
 444
 445 static inline int drv_ampdu_action(struct ieee80211_local *local,
 446                                    struct ieee80211_sub_if_data *sdata,
 447                                    enum ieee80211_ampdu_mlme_action action,
 448                                    struct ieee80211_sta *sta, u16 tid,
 449                                    u16 *ssn, u8 buf_size)
 450 {
 451         int ret = -EOPNOTSUPP;
 452
 453         might_sleep();
 454
 455         trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, buf_size);
 456
 457         if (local->ops->ampdu_action)
 458                 ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
 459                                                sta, tid, ssn, buf_size);
 460
 461         trace_drv_return_int(local, ret);
 462
 463         return ret;
 464 }
 465
 466 static inline int drv_get_survey(struct ieee80211_local *local, int idx,
 467                                 struct survey_info *survey)
 468 {
 469         int ret = -EOPNOTSUPP;
 470
 471         trace_drv_get_survey(local, idx, survey);
 472
 473         if (local->ops->get_survey)
 474                 ret = local->ops->get_survey(&local->hw, idx, survey);
 475
 476         trace_drv_return_int(local, ret);
 477
 478         return ret;
 479 }
 480
 481 static inline void drv_rfkill_poll(struct ieee80211_local *local)
 482 {
 483         might_sleep();
 484
 485         if (local->ops->rfkill_poll)
 486                 local->ops->rfkill_poll(&local->hw);
 487 }
 488
 489 static inline void drv_flush(struct ieee80211_local *local, bool drop)
 490 {
 491         might_sleep();
 492
 493         trace_drv_flush(local, drop);
 494         if (local->ops->flush)
 495                 local->ops->flush(&local->hw, drop);
 496         trace_drv_return_void(local);
 497 }
 498
 499 static inline void drv_channel_switch(struct ieee80211_local *local,
 500                                      struct ieee80211_channel_switch *ch_switch)
 501 {
 502         might_sleep();
 503
 504         trace_drv_channel_switch(local, ch_switch);
 505         local->ops->channel_switch(&local->hw, ch_switch);
 506         trace_drv_return_void(local);
 507 }
 508
 509
 510 static inline int drv_set_antenna(struct ieee80211_local *local,
 511                                   u32 tx_ant, u32 rx_ant)
 512 {
 513         int ret = -EOPNOTSUPP;
 514         might_sleep();
 515         if (local->ops->set_antenna)
 516                 ret = local->ops->set_antenna(&local->hw, tx_ant, rx_ant);
 517         trace_drv_set_antenna(local, tx_ant, rx_ant, ret);
 518         return ret;
 519 }
 520
 521 static inline int drv_get_antenna(struct ieee80211_local *local,
 522                                   u32 *tx_ant, u32 *rx_ant)
 523 {
 524         int ret = -EOPNOTSUPP;
 525         might_sleep();
 526         if (local->ops->get_antenna)
 527                 ret = local->ops->get_antenna(&local->hw, tx_ant, rx_ant);
 528         trace_drv_get_antenna(local, *tx_ant, *rx_ant, ret);
 529         return ret;
 530 }
 531
 532 static inline int drv_remain_on_channel(struct ieee80211_local *local,
 533                                         struct ieee80211_channel *chan,
 534                                         enum nl80211_channel_type chantype,
 535                                         unsigned int duration)
 536 {
 537         int ret;
 538
 539         might_sleep();
 540
 541         trace_drv_remain_on_channel(local, chan, chantype, duration);
 542         ret = local->ops->remain_on_channel(&local->hw, chan, chantype,
 543                                             duration);
 544         trace_drv_return_int(local, ret);
 545
 546         return ret;
 547 }
 548
 549 static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local)
 550 {
 551         int ret;
 552
 553         might_sleep();
 554
 555         trace_drv_cancel_remain_on_channel(local);
 556         ret = local->ops->cancel_remain_on_channel(&local->hw);
 557         trace_drv_return_int(local, ret);
 558
 559         return ret;
 560 }
 561
 562 static inline int drv_offchannel_tx(struct ieee80211_local *local,
 563                                     struct sk_buff *skb,
 564                                     struct ieee80211_channel *chan,
 565                                     enum nl80211_channel_type channel_type,
 566                                     unsigned int wait)
 567 {
 568         int ret;
 569
 570         might_sleep();
 571
 572         trace_drv_offchannel_tx(local, skb, chan, channel_type, wait);
 573         ret = local->ops->offchannel_tx(&local->hw, skb, chan,
 574                                         channel_type, wait);
 575         trace_drv_return_int(local, ret);
 576
 577         return ret;
 578 }
 579
 580 static inline int drv_offchannel_tx_cancel_wait(struct ieee80211_local *local)
 581 {
 582         int ret;
 583
 584         might_sleep();
 585
 586         trace_drv_offchannel_tx_cancel_wait(local);
 587         ret = local->ops->offchannel_tx_cancel_wait(&local->hw);
 588         trace_drv_return_int(local, ret);
 589
 590         return ret;
 591 }
 592
 593 static inline int drv_set_ringparam(struct ieee80211_local *local,
 594                                     u32 tx, u32 rx)
 595 {
 596         int ret = -ENOTSUPP;
 597
 598         might_sleep();
 599
 600         trace_drv_set_ringparam(local, tx, rx);
 601         if (local->ops->set_ringparam)
 602                 ret = local->ops->set_ringparam(&local->hw, tx, rx);
 603         trace_drv_return_int(local, ret);
 604
 605         return ret;
 606 }
 607
 608 static inline void drv_get_ringparam(struct ieee80211_local *local,
 609                                      u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
 610 {
 611         might_sleep();
 612
 613         trace_drv_get_ringparam(local, tx, tx_max, rx, rx_max);
 614         if (local->ops->get_ringparam)
 615                 local->ops->get_ringparam(&local->hw, tx, tx_max, rx, rx_max);
 616         trace_drv_return_void(local);
 617 }
 618
 619 static inline bool drv_tx_frames_pending(struct ieee80211_local *local)
 620 {
 621         bool ret = false;
 622
 623         might_sleep();
 624
 625         trace_drv_tx_frames_pending(local);
 626         if (local->ops->tx_frames_pending)
 627                 ret = local->ops->tx_frames_pending(&local->hw);
 628         trace_drv_return_bool(local, ret);
 629
 630         return ret;
 631 }
 632
 633 static inline int drv_set_bitrate_mask(struct ieee80211_local *local,
 634                                        struct ieee80211_sub_if_data *sdata,
 635                                        const struct cfg80211_bitrate_mask *mask)
 636 {
 637         int ret = -EOPNOTSUPP;
 638
 639         might_sleep();
 640
 641         trace_drv_set_bitrate_mask(local, sdata, mask);
 642         if (local->ops->set_bitrate_mask)
 643                 ret = local->ops->set_bitrate_mask(&local->hw,
 644                                                    &sdata->vif, mask);
 645         trace_drv_return_int(local, ret);
 646
 647         return ret;
 648 }
 649
 650 static inline void drv_set_rekey_data(struct ieee80211_local *local,
 651                                       struct ieee80211_sub_if_data *sdata,
 652                                       struct cfg80211_gtk_rekey_data *data)
 653 {
 654         trace_drv_set_rekey_data(local, sdata, data);
 655         if (local->ops->set_rekey_data)
 656                 local->ops->set_rekey_data(&local->hw, &sdata->vif, data);
 657         trace_drv_return_void(local);
 658 }
 659
 660 #endif /* __MAC80211_DRIVER_OPS */