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 int drv_tx_sync(struct ieee80211_local *local,
 134                               struct ieee80211_sub_if_data *sdata,
 135                               const u8 *bssid,
 136                               enum ieee80211_tx_sync_type type)
 137 {
 138         int ret = 0;
 139
 140         might_sleep();
 141
 142         trace_drv_tx_sync(local, sdata, bssid, type);
 143         if (local->ops->tx_sync)
 144                 ret = local->ops->tx_sync(&local->hw, &sdata->vif,
 145                                           bssid, type);
 146         trace_drv_return_int(local, ret);
 147         return ret;
 148 }
 149
 150 static inline void drv_finish_tx_sync(struct ieee80211_local *local,
 151                                       struct ieee80211_sub_if_data *sdata,
 152                                       const u8 *bssid,
 153                                       enum ieee80211_tx_sync_type type)
 154 {
 155         might_sleep();
 156
 157         trace_drv_finish_tx_sync(local, sdata, bssid, type);
 158         if (local->ops->finish_tx_sync)
 159                 local->ops->finish_tx_sync(&local->hw, &sdata->vif,
 160                                            bssid, type);
 161         trace_drv_return_void(local);
 162 }
 163
 164 static inline u64 drv_prepare_multicast(struct ieee80211_local *local,
 165                                         struct netdev_hw_addr_list *mc_list)
 166 {
 167         u64 ret = 0;
 168
 169         trace_drv_prepare_multicast(local, mc_list->count);
 170
 171         if (local->ops->prepare_multicast)
 172                 ret = local->ops->prepare_multicast(&local->hw, mc_list);
 173
 174         trace_drv_return_u64(local, ret);
 175
 176         return ret;
 177 }
 178
 179 static inline void drv_configure_filter(struct ieee80211_local *local,
 180                                         unsigned int changed_flags,
 181                                         unsigned int *total_flags,
 182                                         u64 multicast)
 183 {
 184         might_sleep();
 185
 186         trace_drv_configure_filter(local, changed_flags, total_flags,
 187                                    multicast);
 188         local->ops->configure_filter(&local->hw, changed_flags, total_flags,
 189                                      multicast);
 190         trace_drv_return_void(local);
 191 }
 192
 193 static inline int drv_set_tim(struct ieee80211_local *local,
 194                               struct ieee80211_sta *sta, bool set)
 195 {
 196         int ret = 0;
 197         trace_drv_set_tim(local, sta, set);
 198         if (local->ops->set_tim)
 199                 ret = local->ops->set_tim(&local->hw, sta, set);
 200         trace_drv_return_int(local, ret);
 201         return ret;
 202 }
 203
 204 static inline int drv_set_key(struct ieee80211_local *local,
 205                               enum set_key_cmd cmd,
 206                               struct ieee80211_sub_if_data *sdata,
 207                               struct ieee80211_sta *sta,
 208                               struct ieee80211_key_conf *key)
 209 {
 210         int ret;
 211
 212         might_sleep();
 213
 214         trace_drv_set_key(local, cmd, sdata, sta, key);
 215         ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key);
 216         trace_drv_return_int(local, ret);
 217         return ret;
 218 }
 219
 220 static inline void drv_update_tkip_key(struct ieee80211_local *local,
 221                                        struct ieee80211_sub_if_data *sdata,
 222                                        struct ieee80211_key_conf *conf,
 223                                        struct sta_info *sta, u32 iv32,
 224                                        u16 *phase1key)
 225 {
 226         struct ieee80211_sta *ista = NULL;
 227
 228         if (sta)
 229                 ista = &sta->sta;
 230
 231         trace_drv_update_tkip_key(local, sdata, conf, ista, iv32);
 232         if (local->ops->update_tkip_key)
 233                 local->ops->update_tkip_key(&local->hw, &sdata->vif, conf,
 234                                             ista, iv32, phase1key);
 235         trace_drv_return_void(local);
 236 }
 237
 238 static inline int drv_hw_scan(struct ieee80211_local *local,
 239                               struct ieee80211_sub_if_data *sdata,
 240                               struct cfg80211_scan_request *req)
 241 {
 242         int ret;
 243
 244         might_sleep();
 245
 246         trace_drv_hw_scan(local, sdata);
 247         ret = local->ops->hw_scan(&local->hw, &sdata->vif, req);
 248         trace_drv_return_int(local, ret);
 249         return ret;
 250 }
 251
 252 static inline void drv_cancel_hw_scan(struct ieee80211_local *local,
 253                                       struct ieee80211_sub_if_data *sdata)
 254 {
 255         might_sleep();
 256
 257         trace_drv_cancel_hw_scan(local, sdata);
 258         local->ops->cancel_hw_scan(&local->hw, &sdata->vif);
 259         trace_drv_return_void(local);
 260 }
 261
 262 static inline int
 263 drv_sched_scan_start(struct ieee80211_local *local,
 264                      struct ieee80211_sub_if_data *sdata,
 265                      struct cfg80211_sched_scan_request *req,
 266                      struct ieee80211_sched_scan_ies *ies)
 267 {
 268         int ret;
 269
 270         might_sleep();
 271
 272         trace_drv_sched_scan_start(local, sdata);
 273         ret = local->ops->sched_scan_start(&local->hw, &sdata->vif,
 274                                               req, ies);
 275         trace_drv_return_int(local, ret);
 276         return ret;
 277 }
 278
 279 static inline void drv_sched_scan_stop(struct ieee80211_local *local,
 280                                        struct ieee80211_sub_if_data *sdata)
 281 {
 282         might_sleep();
 283
 284         trace_drv_sched_scan_stop(local, sdata);
 285         local->ops->sched_scan_stop(&local->hw, &sdata->vif);
 286         trace_drv_return_void(local);
 287 }
 288
 289 static inline void drv_sw_scan_start(struct ieee80211_local *local)
 290 {
 291         might_sleep();
 292
 293         trace_drv_sw_scan_start(local);
 294         if (local->ops->sw_scan_start)
 295                 local->ops->sw_scan_start(&local->hw);
 296         trace_drv_return_void(local);
 297 }
 298
 299 static inline void drv_sw_scan_complete(struct ieee80211_local *local)
 300 {
 301         might_sleep();
 302
 303         trace_drv_sw_scan_complete(local);
 304         if (local->ops->sw_scan_complete)
 305                 local->ops->sw_scan_complete(&local->hw);
 306         trace_drv_return_void(local);
 307 }
 308
 309 static inline int drv_get_stats(struct ieee80211_local *local,
 310                                 struct ieee80211_low_level_stats *stats)
 311 {
 312         int ret = -EOPNOTSUPP;
 313
 314         might_sleep();
 315
 316         if (local->ops->get_stats)
 317                 ret = local->ops->get_stats(&local->hw, stats);
 318         trace_drv_get_stats(local, stats, ret);
 319
 320         return ret;
 321 }
 322
 323 static inline void drv_get_tkip_seq(struct ieee80211_local *local,
 324                                     u8 hw_key_idx, u32 *iv32, u16 *iv16)
 325 {
 326         if (local->ops->get_tkip_seq)
 327                 local->ops->get_tkip_seq(&local->hw, hw_key_idx, iv32, iv16);
 328         trace_drv_get_tkip_seq(local, hw_key_idx, iv32, iv16);
 329 }
 330
 331 static inline int drv_set_frag_threshold(struct ieee80211_local *local,
 332                                         u32 value)
 333 {
 334         int ret = 0;
 335
 336         might_sleep();
 337
 338         trace_drv_set_frag_threshold(local, value);
 339         if (local->ops->set_frag_threshold)
 340                 ret = local->ops->set_frag_threshold(&local->hw, value);
 341         trace_drv_return_int(local, ret);
 342         return ret;
 343 }
 344
 345 static inline int drv_set_rts_threshold(struct ieee80211_local *local,
 346                                         u32 value)
 347 {
 348         int ret = 0;
 349
 350         might_sleep();
 351
 352         trace_drv_set_rts_threshold(local, value);
 353         if (local->ops->set_rts_threshold)
 354                 ret = local->ops->set_rts_threshold(&local->hw, value);
 355         trace_drv_return_int(local, ret);
 356         return ret;
 357 }
 358
 359 static inline int drv_set_coverage_class(struct ieee80211_local *local,
 360                                          u8 value)
 361 {
 362         int ret = 0;
 363         might_sleep();
 364
 365         trace_drv_set_coverage_class(local, value);
 366         if (local->ops->set_coverage_class)
 367                 local->ops->set_coverage_class(&local->hw, value);
 368         else
 369                 ret = -EOPNOTSUPP;
 370
 371         trace_drv_return_int(local, ret);
 372         return ret;
 373 }
 374
 375 static inline void drv_sta_notify(struct ieee80211_local *local,
 376                                   struct ieee80211_sub_if_data *sdata,
 377                                   enum sta_notify_cmd cmd,
 378                                   struct ieee80211_sta *sta)
 379 {
 380         trace_drv_sta_notify(local, sdata, cmd, sta);
 381         if (local->ops->sta_notify)
 382                 local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta);
 383         trace_drv_return_void(local);
 384 }
 385
 386 static inline int drv_sta_add(struct ieee80211_local *local,
 387                               struct ieee80211_sub_if_data *sdata,
 388                               struct ieee80211_sta *sta)
 389 {
 390         int ret = 0;
 391
 392         might_sleep();
 393
 394         trace_drv_sta_add(local, sdata, sta);
 395         if (local->ops->sta_add)
 396                 ret = local->ops->sta_add(&local->hw, &sdata->vif, sta);
 397
 398         trace_drv_return_int(local, ret);
 399
 400         return ret;
 401 }
 402
 403 static inline void drv_sta_remove(struct ieee80211_local *local,
 404                                   struct ieee80211_sub_if_data *sdata,
 405                                   struct ieee80211_sta *sta)
 406 {
 407         might_sleep();
 408
 409         trace_drv_sta_remove(local, sdata, sta);
 410         if (local->ops->sta_remove)
 411                 local->ops->sta_remove(&local->hw, &sdata->vif, sta);
 412
 413         trace_drv_return_void(local);
 414 }
 415
 416 static inline int drv_conf_tx(struct ieee80211_local *local, u16 queue,
 417                               const struct ieee80211_tx_queue_params *params)
 418 {
 419         int ret = -EOPNOTSUPP;
 420
 421         might_sleep();
 422
 423         trace_drv_conf_tx(local, queue, params);
 424         if (local->ops->conf_tx)
 425                 ret = local->ops->conf_tx(&local->hw, queue, params);
 426         trace_drv_return_int(local, ret);
 427         return ret;
 428 }
 429
 430 static inline u64 drv_get_tsf(struct ieee80211_local *local,
 431                               struct ieee80211_sub_if_data *sdata)
 432 {
 433         u64 ret = -1ULL;
 434
 435         might_sleep();
 436
 437         trace_drv_get_tsf(local, sdata);
 438         if (local->ops->get_tsf)
 439                 ret = local->ops->get_tsf(&local->hw, &sdata->vif);
 440         trace_drv_return_u64(local, ret);
 441         return ret;
 442 }
 443
 444 static inline void drv_set_tsf(struct ieee80211_local *local,
 445                                struct ieee80211_sub_if_data *sdata,
 446                                u64 tsf)
 447 {
 448         might_sleep();
 449
 450         trace_drv_set_tsf(local, sdata, tsf);
 451         if (local->ops->set_tsf)
 452                 local->ops->set_tsf(&local->hw, &sdata->vif, tsf);
 453         trace_drv_return_void(local);
 454 }
 455
 456 static inline void drv_reset_tsf(struct ieee80211_local *local,
 457                                  struct ieee80211_sub_if_data *sdata)
 458 {
 459         might_sleep();
 460
 461         trace_drv_reset_tsf(local, sdata);
 462         if (local->ops->reset_tsf)
 463                 local->ops->reset_tsf(&local->hw, &sdata->vif);
 464         trace_drv_return_void(local);
 465 }
 466
 467 static inline int drv_tx_last_beacon(struct ieee80211_local *local)
 468 {
 469         int ret = 0; /* default unsuported op for less congestion */
 470
 471         might_sleep();
 472
 473         trace_drv_tx_last_beacon(local);
 474         if (local->ops->tx_last_beacon)
 475                 ret = local->ops->tx_last_beacon(&local->hw);
 476         trace_drv_return_int(local, ret);
 477         return ret;
 478 }
 479
 480 static inline int drv_ampdu_action(struct ieee80211_local *local,
 481                                    struct ieee80211_sub_if_data *sdata,
 482                                    enum ieee80211_ampdu_mlme_action action,
 483                                    struct ieee80211_sta *sta, u16 tid,
 484                                    u16 *ssn, u8 buf_size)
 485 {
 486         int ret = -EOPNOTSUPP;
 487
 488         might_sleep();
 489
 490         trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, buf_size);
 491
 492         if (local->ops->ampdu_action)
 493                 ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
 494                                                sta, tid, ssn, buf_size);
 495
 496         trace_drv_return_int(local, ret);
 497
 498         return ret;
 499 }
 500
 501 static inline int drv_get_survey(struct ieee80211_local *local, int idx,
 502                                 struct survey_info *survey)
 503 {
 504         int ret = -EOPNOTSUPP;
 505
 506         trace_drv_get_survey(local, idx, survey);
 507
 508         if (local->ops->get_survey)
 509                 ret = local->ops->get_survey(&local->hw, idx, survey);
 510
 511         trace_drv_return_int(local, ret);
 512
 513         return ret;
 514 }
 515
 516 static inline void drv_rfkill_poll(struct ieee80211_local *local)
 517 {
 518         might_sleep();
 519
 520         if (local->ops->rfkill_poll)
 521                 local->ops->rfkill_poll(&local->hw);
 522 }
 523
 524 static inline void drv_flush(struct ieee80211_local *local, bool drop)
 525 {
 526         might_sleep();
 527
 528         trace_drv_flush(local, drop);
 529         if (local->ops->flush)
 530                 local->ops->flush(&local->hw, drop);
 531         trace_drv_return_void(local);
 532 }
 533
 534 static inline void drv_channel_switch(struct ieee80211_local *local,
 535                                      struct ieee80211_channel_switch *ch_switch)
 536 {
 537         might_sleep();
 538
 539         trace_drv_channel_switch(local, ch_switch);
 540         local->ops->channel_switch(&local->hw, ch_switch);
 541         trace_drv_return_void(local);
 542 }
 543
 544
 545 static inline int drv_set_antenna(struct ieee80211_local *local,
 546                                   u32 tx_ant, u32 rx_ant)
 547 {
 548         int ret = -EOPNOTSUPP;
 549         might_sleep();
 550         if (local->ops->set_antenna)
 551                 ret = local->ops->set_antenna(&local->hw, tx_ant, rx_ant);
 552         trace_drv_set_antenna(local, tx_ant, rx_ant, ret);
 553         return ret;
 554 }
 555
 556 static inline int drv_get_antenna(struct ieee80211_local *local,
 557                                   u32 *tx_ant, u32 *rx_ant)
 558 {
 559         int ret = -EOPNOTSUPP;
 560         might_sleep();
 561         if (local->ops->get_antenna)
 562                 ret = local->ops->get_antenna(&local->hw, tx_ant, rx_ant);
 563         trace_drv_get_antenna(local, *tx_ant, *rx_ant, ret);
 564         return ret;
 565 }
 566
 567 static inline int drv_remain_on_channel(struct ieee80211_local *local,
 568                                         struct ieee80211_channel *chan,
 569                                         enum nl80211_channel_type chantype,
 570                                         unsigned int duration)
 571 {
 572         int ret;
 573
 574         might_sleep();
 575
 576         trace_drv_remain_on_channel(local, chan, chantype, duration);
 577         ret = local->ops->remain_on_channel(&local->hw, chan, chantype,
 578                                             duration);
 579         trace_drv_return_int(local, ret);
 580
 581         return ret;
 582 }
 583
 584 static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local)
 585 {
 586         int ret;
 587
 588         might_sleep();
 589
 590         trace_drv_cancel_remain_on_channel(local);
 591         ret = local->ops->cancel_remain_on_channel(&local->hw);
 592         trace_drv_return_int(local, ret);
 593
 594         return ret;
 595 }
 596
 597 static inline int drv_set_ringparam(struct ieee80211_local *local,
 598                                     u32 tx, u32 rx)
 599 {
 600         int ret = -ENOTSUPP;
 601
 602         might_sleep();
 603
 604         trace_drv_set_ringparam(local, tx, rx);
 605         if (local->ops->set_ringparam)
 606                 ret = local->ops->set_ringparam(&local->hw, tx, rx);
 607         trace_drv_return_int(local, ret);
 608
 609         return ret;
 610 }
 611
 612 static inline void drv_get_ringparam(struct ieee80211_local *local,
 613                                      u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
 614 {
 615         might_sleep();
 616
 617         trace_drv_get_ringparam(local, tx, tx_max, rx, rx_max);
 618         if (local->ops->get_ringparam)
 619                 local->ops->get_ringparam(&local->hw, tx, tx_max, rx, rx_max);
 620         trace_drv_return_void(local);
 621 }
 622
 623 static inline bool drv_tx_frames_pending(struct ieee80211_local *local)
 624 {
 625         bool ret = false;
 626
 627         might_sleep();
 628
 629         trace_drv_tx_frames_pending(local);
 630         if (local->ops->tx_frames_pending)
 631                 ret = local->ops->tx_frames_pending(&local->hw);
 632         trace_drv_return_bool(local, ret);
 633
 634         return ret;
 635 }
 636
 637 static inline int drv_set_bitrate_mask(struct ieee80211_local *local,
 638                                        struct ieee80211_sub_if_data *sdata,
 639                                        const struct cfg80211_bitrate_mask *mask)
 640 {
 641         int ret = -EOPNOTSUPP;
 642
 643         might_sleep();
 644
 645         trace_drv_set_bitrate_mask(local, sdata, mask);
 646         if (local->ops->set_bitrate_mask)
 647                 ret = local->ops->set_bitrate_mask(&local->hw,
 648                                                    &sdata->vif, mask);
 649         trace_drv_return_int(local, ret);
 650
 651         return ret;
 652 }
 653
 654 static inline void drv_set_rekey_data(struct ieee80211_local *local,
 655                                       struct ieee80211_sub_if_data *sdata,
 656                                       struct cfg80211_gtk_rekey_data *data)
 657 {
 658         trace_drv_set_rekey_data(local, sdata, data);
 659         if (local->ops->set_rekey_data)
 660                 local->ops->set_rekey_data(&local->hw, &sdata->vif, data);
 661         trace_drv_return_void(local);
 662 }
 663
 664 static inline void drv_rssi_callback(struct ieee80211_local *local,
 665                                      const enum ieee80211_rssi_event event)
 666 {
 667         trace_drv_rssi_callback(local, event);
 668         if (local->ops->rssi_callback)
 669                 local->ops->rssi_callback(&local->hw, event);
 670         trace_drv_return_void(local);
 671 }
 672 #endif /* __MAC80211_DRIVER_OPS */