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 check_sdata_in_driver(struct ieee80211_sub_if_data *sdata)
   9 {
  10         WARN(!(sdata->flags & IEEE80211_SDATA_IN_DRIVER),
  11              "%s:  Failed check-sdata-in-driver check, flags: 0x%x\n",
  12              sdata->dev->name, sdata->flags);
  13 }
  14
  15 static inline struct ieee80211_sub_if_data *
  16 get_bss_sdata(struct ieee80211_sub_if_data *sdata)
  17 {
  18         if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
  19                 sdata = container_of(sdata->bss, struct ieee80211_sub_if_data,
  20                                      u.ap);
  21
  22         return sdata;
  23 }
  24
  25 static inline void drv_tx(struct ieee80211_local *local, struct sk_buff *skb)
  26 {
  27         local->ops->tx(&local->hw, skb);
  28 }
  29
  30 static inline void drv_tx_frags(struct ieee80211_local *local,
  31                                 struct ieee80211_vif *vif,
  32                                 struct ieee80211_sta *sta,
  33                                 struct sk_buff_head *skbs)
  34 {
  35         local->ops->tx_frags(&local->hw, vif, sta, skbs);
  36 }
  37
  38 static inline void drv_get_et_strings(struct ieee80211_sub_if_data *sdata,
  39                                       u32 sset, u8 *data)
  40 {
  41         struct ieee80211_local *local = sdata->local;
  42         if (local->ops->get_et_strings) {
  43                 trace_drv_get_et_strings(local, sset);
  44                 local->ops->get_et_strings(&local->hw, &sdata->vif, sset, data);
  45                 trace_drv_return_void(local);
  46         }
  47 }
  48
  49 static inline void drv_get_et_stats(struct ieee80211_sub_if_data *sdata,
  50                                     struct ethtool_stats *stats,
  51                                     u64 *data)
  52 {
  53         struct ieee80211_local *local = sdata->local;
  54         if (local->ops->get_et_stats) {
  55                 trace_drv_get_et_stats(local);
  56                 local->ops->get_et_stats(&local->hw, &sdata->vif, stats, data);
  57                 trace_drv_return_void(local);
  58         }
  59 }
  60
  61 static inline int drv_get_et_sset_count(struct ieee80211_sub_if_data *sdata,
  62                                         int sset)
  63 {
  64         struct ieee80211_local *local = sdata->local;
  65         int rv = 0;
  66         if (local->ops->get_et_sset_count) {
  67                 trace_drv_get_et_sset_count(local, sset);
  68                 rv = local->ops->get_et_sset_count(&local->hw, &sdata->vif,
  69                                                    sset);
  70                 trace_drv_return_int(local, rv);
  71         }
  72         return rv;
  73 }
  74
  75 static inline int drv_start(struct ieee80211_local *local)
  76 {
  77         int ret;
  78
  79         might_sleep();
  80
  81         trace_drv_start(local);
  82         local->started = true;
  83         smp_mb();
  84         ret = local->ops->start(&local->hw);
  85         trace_drv_return_int(local, ret);
  86         return ret;
  87 }
  88
  89 static inline void drv_stop(struct ieee80211_local *local)
  90 {
  91         might_sleep();
  92
  93         trace_drv_stop(local);
  94         local->ops->stop(&local->hw);
  95         trace_drv_return_void(local);
  96
  97         /* sync away all work on the tasklet before clearing started */
  98         tasklet_disable(&local->tasklet);
  99         tasklet_enable(&local->tasklet);
 100
 101         barrier();
 102
 103         local->started = false;
 104 }
 105
 106 #ifdef CONFIG_PM
 107 static inline int drv_suspend(struct ieee80211_local *local,
 108                               struct cfg80211_wowlan *wowlan)
 109 {
 110         int ret;
 111
 112         might_sleep();
 113
 114         trace_drv_suspend(local);
 115         ret = local->ops->suspend(&local->hw, wowlan);
 116         trace_drv_return_int(local, ret);
 117         return ret;
 118 }
 119
 120 static inline int drv_resume(struct ieee80211_local *local)
 121 {
 122         int ret;
 123
 124         might_sleep();
 125
 126         trace_drv_resume(local);
 127         ret = local->ops->resume(&local->hw);
 128         trace_drv_return_int(local, ret);
 129         return ret;
 130 }
 131
 132 static inline void drv_set_wakeup(struct ieee80211_local *local,
 133                                   bool enabled)
 134 {
 135         might_sleep();
 136
 137         if (!local->ops->set_wakeup)
 138                 return;
 139
 140         trace_drv_set_wakeup(local, enabled);
 141         local->ops->set_wakeup(&local->hw, enabled);
 142         trace_drv_return_void(local);
 143 }
 144 #endif
 145
 146 static inline int drv_add_interface(struct ieee80211_local *local,
 147                                     struct ieee80211_sub_if_data *sdata)
 148 {
 149         int ret;
 150
 151         might_sleep();
 152
 153         if (WARN_ON(sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
 154                     (sdata->vif.type == NL80211_IFTYPE_MONITOR &&
 155                      !(local->hw.flags & IEEE80211_HW_WANT_MONITOR_VIF))))
 156                 return -EINVAL;
 157
 158         trace_drv_add_interface(local, sdata);
 159         ret = local->ops->add_interface(&local->hw, &sdata->vif);
 160         trace_drv_return_int(local, ret);
 161
 162         if (ret == 0)
 163                 sdata->flags |= IEEE80211_SDATA_IN_DRIVER;
 164
 165         return ret;
 166 }
 167
 168 static inline int drv_change_interface(struct ieee80211_local *local,
 169                                        struct ieee80211_sub_if_data *sdata,
 170                                        enum nl80211_iftype type, bool p2p)
 171 {
 172         int ret;
 173
 174         might_sleep();
 175
 176         check_sdata_in_driver(sdata);
 177
 178         trace_drv_change_interface(local, sdata, type, p2p);
 179         ret = local->ops->change_interface(&local->hw, &sdata->vif, type, p2p);
 180         trace_drv_return_int(local, ret);
 181         return ret;
 182 }
 183
 184 static inline void drv_remove_interface(struct ieee80211_local *local,
 185                                         struct ieee80211_sub_if_data *sdata)
 186 {
 187         might_sleep();
 188
 189         check_sdata_in_driver(sdata);
 190
 191         trace_drv_remove_interface(local, sdata);
 192         local->ops->remove_interface(&local->hw, &sdata->vif);
 193         sdata->flags &= ~IEEE80211_SDATA_IN_DRIVER;
 194         trace_drv_return_void(local);
 195 }
 196
 197 static inline int drv_config(struct ieee80211_local *local, u32 changed)
 198 {
 199         int ret;
 200
 201         might_sleep();
 202
 203         trace_drv_config(local, changed);
 204         ret = local->ops->config(&local->hw, changed);
 205         trace_drv_return_int(local, ret);
 206         return ret;
 207 }
 208
 209 static inline void drv_bss_info_changed(struct ieee80211_local *local,
 210                                         struct ieee80211_sub_if_data *sdata,
 211                                         struct ieee80211_bss_conf *info,
 212                                         u32 changed)
 213 {
 214         might_sleep();
 215
 216         check_sdata_in_driver(sdata);
 217
 218         trace_drv_bss_info_changed(local, sdata, info, changed);
 219         if (local->ops->bss_info_changed)
 220                 local->ops->bss_info_changed(&local->hw, &sdata->vif, info, changed);
 221         trace_drv_return_void(local);
 222 }
 223
 224 static inline u64 drv_prepare_multicast(struct ieee80211_local *local,
 225                                         struct netdev_hw_addr_list *mc_list)
 226 {
 227         u64 ret = 0;
 228
 229         trace_drv_prepare_multicast(local, mc_list->count);
 230
 231         if (local->ops->prepare_multicast)
 232                 ret = local->ops->prepare_multicast(&local->hw, mc_list);
 233
 234         trace_drv_return_u64(local, ret);
 235
 236         return ret;
 237 }
 238
 239 static inline void drv_configure_filter(struct ieee80211_local *local,
 240                                         unsigned int changed_flags,
 241                                         unsigned int *total_flags,
 242                                         u64 multicast)
 243 {
 244         might_sleep();
 245
 246         trace_drv_configure_filter(local, changed_flags, total_flags,
 247                                    multicast);
 248         local->ops->configure_filter(&local->hw, changed_flags, total_flags,
 249                                      multicast);
 250         trace_drv_return_void(local);
 251 }
 252
 253 static inline int drv_set_tim(struct ieee80211_local *local,
 254                               struct ieee80211_sta *sta, bool set)
 255 {
 256         int ret = 0;
 257         trace_drv_set_tim(local, sta, set);
 258         if (local->ops->set_tim)
 259                 ret = local->ops->set_tim(&local->hw, sta, set);
 260         trace_drv_return_int(local, ret);
 261         return ret;
 262 }
 263
 264 static inline int drv_set_key(struct ieee80211_local *local,
 265                               enum set_key_cmd cmd,
 266                               struct ieee80211_sub_if_data *sdata,
 267                               struct ieee80211_sta *sta,
 268                               struct ieee80211_key_conf *key)
 269 {
 270         int ret;
 271
 272         might_sleep();
 273
 274         sdata = get_bss_sdata(sdata);
 275         check_sdata_in_driver(sdata);
 276
 277         trace_drv_set_key(local, cmd, sdata, sta, key);
 278         ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key);
 279         trace_drv_return_int(local, ret);
 280         return ret;
 281 }
 282
 283 static inline void drv_update_tkip_key(struct ieee80211_local *local,
 284                                        struct ieee80211_sub_if_data *sdata,
 285                                        struct ieee80211_key_conf *conf,
 286                                        struct sta_info *sta, u32 iv32,
 287                                        u16 *phase1key)
 288 {
 289         struct ieee80211_sta *ista = NULL;
 290
 291         if (sta)
 292                 ista = &sta->sta;
 293
 294         sdata = get_bss_sdata(sdata);
 295         check_sdata_in_driver(sdata);
 296
 297         trace_drv_update_tkip_key(local, sdata, conf, ista, iv32);
 298         if (local->ops->update_tkip_key)
 299                 local->ops->update_tkip_key(&local->hw, &sdata->vif, conf,
 300                                             ista, iv32, phase1key);
 301         trace_drv_return_void(local);
 302 }
 303
 304 static inline int drv_hw_scan(struct ieee80211_local *local,
 305                               struct ieee80211_sub_if_data *sdata,
 306                               struct cfg80211_scan_request *req)
 307 {
 308         int ret;
 309
 310         might_sleep();
 311
 312         check_sdata_in_driver(sdata);
 313
 314         trace_drv_hw_scan(local, sdata);
 315         ret = local->ops->hw_scan(&local->hw, &sdata->vif, req);
 316         trace_drv_return_int(local, ret);
 317         return ret;
 318 }
 319
 320 static inline void drv_cancel_hw_scan(struct ieee80211_local *local,
 321                                       struct ieee80211_sub_if_data *sdata)
 322 {
 323         might_sleep();
 324
 325         check_sdata_in_driver(sdata);
 326
 327         trace_drv_cancel_hw_scan(local, sdata);
 328         local->ops->cancel_hw_scan(&local->hw, &sdata->vif);
 329         trace_drv_return_void(local);
 330 }
 331
 332 static inline int
 333 drv_sched_scan_start(struct ieee80211_local *local,
 334                      struct ieee80211_sub_if_data *sdata,
 335                      struct cfg80211_sched_scan_request *req,
 336                      struct ieee80211_sched_scan_ies *ies)
 337 {
 338         int ret;
 339
 340         might_sleep();
 341
 342         check_sdata_in_driver(sdata);
 343
 344         trace_drv_sched_scan_start(local, sdata);
 345         ret = local->ops->sched_scan_start(&local->hw, &sdata->vif,
 346                                               req, ies);
 347         trace_drv_return_int(local, ret);
 348         return ret;
 349 }
 350
 351 static inline void drv_sched_scan_stop(struct ieee80211_local *local,
 352                                        struct ieee80211_sub_if_data *sdata)
 353 {
 354         might_sleep();
 355
 356         check_sdata_in_driver(sdata);
 357
 358         trace_drv_sched_scan_stop(local, sdata);
 359         local->ops->sched_scan_stop(&local->hw, &sdata->vif);
 360         trace_drv_return_void(local);
 361 }
 362
 363 static inline void drv_sw_scan_start(struct ieee80211_local *local)
 364 {
 365         might_sleep();
 366
 367         trace_drv_sw_scan_start(local);
 368         if (local->ops->sw_scan_start)
 369                 local->ops->sw_scan_start(&local->hw);
 370         trace_drv_return_void(local);
 371 }
 372
 373 static inline void drv_sw_scan_complete(struct ieee80211_local *local)
 374 {
 375         might_sleep();
 376
 377         trace_drv_sw_scan_complete(local);
 378         if (local->ops->sw_scan_complete)
 379                 local->ops->sw_scan_complete(&local->hw);
 380         trace_drv_return_void(local);
 381 }
 382
 383 static inline int drv_get_stats(struct ieee80211_local *local,
 384                                 struct ieee80211_low_level_stats *stats)
 385 {
 386         int ret = -EOPNOTSUPP;
 387
 388         might_sleep();
 389
 390         if (local->ops->get_stats)
 391                 ret = local->ops->get_stats(&local->hw, stats);
 392         trace_drv_get_stats(local, stats, ret);
 393
 394         return ret;
 395 }
 396
 397 static inline void drv_get_tkip_seq(struct ieee80211_local *local,
 398                                     u8 hw_key_idx, u32 *iv32, u16 *iv16)
 399 {
 400         if (local->ops->get_tkip_seq)
 401                 local->ops->get_tkip_seq(&local->hw, hw_key_idx, iv32, iv16);
 402         trace_drv_get_tkip_seq(local, hw_key_idx, iv32, iv16);
 403 }
 404
 405 static inline int drv_set_frag_threshold(struct ieee80211_local *local,
 406                                         u32 value)
 407 {
 408         int ret = 0;
 409
 410         might_sleep();
 411
 412         trace_drv_set_frag_threshold(local, value);
 413         if (local->ops->set_frag_threshold)
 414                 ret = local->ops->set_frag_threshold(&local->hw, value);
 415         trace_drv_return_int(local, ret);
 416         return ret;
 417 }
 418
 419 static inline int drv_set_rts_threshold(struct ieee80211_local *local,
 420                                         u32 value)
 421 {
 422         int ret = 0;
 423
 424         might_sleep();
 425
 426         trace_drv_set_rts_threshold(local, value);
 427         if (local->ops->set_rts_threshold)
 428                 ret = local->ops->set_rts_threshold(&local->hw, value);
 429         trace_drv_return_int(local, ret);
 430         return ret;
 431 }
 432
 433 static inline int drv_set_coverage_class(struct ieee80211_local *local,
 434                                          u8 value)
 435 {
 436         int ret = 0;
 437         might_sleep();
 438
 439         trace_drv_set_coverage_class(local, value);
 440         if (local->ops->set_coverage_class)
 441                 local->ops->set_coverage_class(&local->hw, value);
 442         else
 443                 ret = -EOPNOTSUPP;
 444
 445         trace_drv_return_int(local, ret);
 446         return ret;
 447 }
 448
 449 static inline void drv_sta_notify(struct ieee80211_local *local,
 450                                   struct ieee80211_sub_if_data *sdata,
 451                                   enum sta_notify_cmd cmd,
 452                                   struct ieee80211_sta *sta)
 453 {
 454         sdata = get_bss_sdata(sdata);
 455         check_sdata_in_driver(sdata);
 456
 457         trace_drv_sta_notify(local, sdata, cmd, sta);
 458         if (local->ops->sta_notify)
 459                 local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta);
 460         trace_drv_return_void(local);
 461 }
 462
 463 static inline int drv_sta_add(struct ieee80211_local *local,
 464                               struct ieee80211_sub_if_data *sdata,
 465                               struct ieee80211_sta *sta)
 466 {
 467         int ret = 0;
 468
 469         might_sleep();
 470
 471         sdata = get_bss_sdata(sdata);
 472         check_sdata_in_driver(sdata);
 473
 474         trace_drv_sta_add(local, sdata, sta);
 475         if (local->ops->sta_add)
 476                 ret = local->ops->sta_add(&local->hw, &sdata->vif, sta);
 477
 478         trace_drv_return_int(local, ret);
 479
 480         return ret;
 481 }
 482
 483 static inline void drv_sta_remove(struct ieee80211_local *local,
 484                                   struct ieee80211_sub_if_data *sdata,
 485                                   struct ieee80211_sta *sta)
 486 {
 487         might_sleep();
 488
 489         sdata = get_bss_sdata(sdata);
 490         check_sdata_in_driver(sdata);
 491
 492         trace_drv_sta_remove(local, sdata, sta);
 493         if (local->ops->sta_remove)
 494                 local->ops->sta_remove(&local->hw, &sdata->vif, sta);
 495
 496         trace_drv_return_void(local);
 497 }
 498
 499 static inline __must_check
 500 int drv_sta_state(struct ieee80211_local *local,
 501                   struct ieee80211_sub_if_data *sdata,
 502                   struct sta_info *sta,
 503                   enum ieee80211_sta_state old_state,
 504                   enum ieee80211_sta_state new_state)
 505 {
 506         int ret = 0;
 507
 508         might_sleep();
 509
 510         sdata = get_bss_sdata(sdata);
 511         check_sdata_in_driver(sdata);
 512
 513         trace_drv_sta_state(local, sdata, &sta->sta, old_state, new_state);
 514         if (local->ops->sta_state) {
 515                 ret = local->ops->sta_state(&local->hw, &sdata->vif, &sta->sta,
 516                                             old_state, new_state);
 517         } else if (old_state == IEEE80211_STA_AUTH &&
 518                    new_state == IEEE80211_STA_ASSOC) {
 519                 ret = drv_sta_add(local, sdata, &sta->sta);
 520                 if (ret == 0)
 521                         sta->uploaded = true;
 522         } else if (old_state == IEEE80211_STA_ASSOC &&
 523                    new_state == IEEE80211_STA_AUTH) {
 524                 drv_sta_remove(local, sdata, &sta->sta);
 525         }
 526         trace_drv_return_int(local, ret);
 527         return ret;
 528 }
 529
 530 static inline void drv_sta_rc_update(struct ieee80211_local *local,
 531                                      struct ieee80211_sub_if_data *sdata,
 532                                      struct ieee80211_sta *sta, u32 changed)
 533 {
 534         sdata = get_bss_sdata(sdata);
 535         check_sdata_in_driver(sdata);
 536
 537         trace_drv_sta_rc_update(local, sdata, sta, changed);
 538         if (local->ops->sta_rc_update)
 539                 local->ops->sta_rc_update(&local->hw, &sdata->vif,
 540                                           sta, changed);
 541
 542         trace_drv_return_void(local);
 543 }
 544
 545 static inline int drv_conf_tx(struct ieee80211_local *local,
 546                               struct ieee80211_sub_if_data *sdata, u16 ac,
 547                               const struct ieee80211_tx_queue_params *params)
 548 {
 549         int ret = -EOPNOTSUPP;
 550
 551         might_sleep();
 552
 553         check_sdata_in_driver(sdata);
 554
 555         trace_drv_conf_tx(local, sdata, ac, params);
 556         if (local->ops->conf_tx)
 557                 ret = local->ops->conf_tx(&local->hw, &sdata->vif,
 558                                           ac, params);
 559         trace_drv_return_int(local, ret);
 560         return ret;
 561 }
 562
 563 static inline u64 drv_get_tsf(struct ieee80211_local *local,
 564                               struct ieee80211_sub_if_data *sdata)
 565 {
 566         u64 ret = -1ULL;
 567
 568         might_sleep();
 569
 570         check_sdata_in_driver(sdata);
 571
 572         trace_drv_get_tsf(local, sdata);
 573         if (local->ops->get_tsf)
 574                 ret = local->ops->get_tsf(&local->hw, &sdata->vif);
 575         trace_drv_return_u64(local, ret);
 576         return ret;
 577 }
 578
 579 static inline void drv_set_tsf(struct ieee80211_local *local,
 580                                struct ieee80211_sub_if_data *sdata,
 581                                u64 tsf)
 582 {
 583         might_sleep();
 584
 585         check_sdata_in_driver(sdata);
 586
 587         trace_drv_set_tsf(local, sdata, tsf);
 588         if (local->ops->set_tsf)
 589                 local->ops->set_tsf(&local->hw, &sdata->vif, tsf);
 590         trace_drv_return_void(local);
 591 }
 592
 593 static inline void drv_reset_tsf(struct ieee80211_local *local,
 594                                  struct ieee80211_sub_if_data *sdata)
 595 {
 596         might_sleep();
 597
 598         check_sdata_in_driver(sdata);
 599
 600         trace_drv_reset_tsf(local, sdata);
 601         if (local->ops->reset_tsf)
 602                 local->ops->reset_tsf(&local->hw, &sdata->vif);
 603         trace_drv_return_void(local);
 604 }
 605
 606 static inline int drv_tx_last_beacon(struct ieee80211_local *local)
 607 {
 608         int ret = 0; /* default unsuported op for less congestion */
 609
 610         might_sleep();
 611
 612         trace_drv_tx_last_beacon(local);
 613         if (local->ops->tx_last_beacon)
 614                 ret = local->ops->tx_last_beacon(&local->hw);
 615         trace_drv_return_int(local, ret);
 616         return ret;
 617 }
 618
 619 static inline int drv_ampdu_action(struct ieee80211_local *local,
 620                                    struct ieee80211_sub_if_data *sdata,
 621                                    enum ieee80211_ampdu_mlme_action action,
 622                                    struct ieee80211_sta *sta, u16 tid,
 623                                    u16 *ssn, u8 buf_size)
 624 {
 625         int ret = -EOPNOTSUPP;
 626
 627         might_sleep();
 628
 629         sdata = get_bss_sdata(sdata);
 630         check_sdata_in_driver(sdata);
 631
 632         trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, buf_size);
 633
 634         if (local->ops->ampdu_action)
 635                 ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
 636                                                sta, tid, ssn, buf_size);
 637
 638         trace_drv_return_int(local, ret);
 639
 640         return ret;
 641 }
 642
 643 static inline int drv_get_survey(struct ieee80211_local *local, int idx,
 644                                 struct survey_info *survey)
 645 {
 646         int ret = -EOPNOTSUPP;
 647
 648         trace_drv_get_survey(local, idx, survey);
 649
 650         if (local->ops->get_survey)
 651                 ret = local->ops->get_survey(&local->hw, idx, survey);
 652
 653         trace_drv_return_int(local, ret);
 654
 655         return ret;
 656 }
 657
 658 static inline void drv_rfkill_poll(struct ieee80211_local *local)
 659 {
 660         might_sleep();
 661
 662         if (local->ops->rfkill_poll)
 663                 local->ops->rfkill_poll(&local->hw);
 664 }
 665
 666 static inline void drv_flush(struct ieee80211_local *local, bool drop)
 667 {
 668         might_sleep();
 669
 670         trace_drv_flush(local, drop);
 671         if (local->ops->flush)
 672                 local->ops->flush(&local->hw, drop);
 673         trace_drv_return_void(local);
 674 }
 675
 676 static inline void drv_channel_switch(struct ieee80211_local *local,
 677                                      struct ieee80211_channel_switch *ch_switch)
 678 {
 679         might_sleep();
 680
 681         trace_drv_channel_switch(local, ch_switch);
 682         local->ops->channel_switch(&local->hw, ch_switch);
 683         trace_drv_return_void(local);
 684 }
 685
 686
 687 static inline int drv_set_antenna(struct ieee80211_local *local,
 688                                   u32 tx_ant, u32 rx_ant)
 689 {
 690         int ret = -EOPNOTSUPP;
 691         might_sleep();
 692         if (local->ops->set_antenna)
 693                 ret = local->ops->set_antenna(&local->hw, tx_ant, rx_ant);
 694         trace_drv_set_antenna(local, tx_ant, rx_ant, ret);
 695         return ret;
 696 }
 697
 698 static inline int drv_get_antenna(struct ieee80211_local *local,
 699                                   u32 *tx_ant, u32 *rx_ant)
 700 {
 701         int ret = -EOPNOTSUPP;
 702         might_sleep();
 703         if (local->ops->get_antenna)
 704                 ret = local->ops->get_antenna(&local->hw, tx_ant, rx_ant);
 705         trace_drv_get_antenna(local, *tx_ant, *rx_ant, ret);
 706         return ret;
 707 }
 708
 709 static inline int drv_remain_on_channel(struct ieee80211_local *local,
 710                                         struct ieee80211_channel *chan,
 711                                         enum nl80211_channel_type chantype,
 712                                         unsigned int duration)
 713 {
 714         int ret;
 715
 716         might_sleep();
 717
 718         trace_drv_remain_on_channel(local, chan, chantype, duration);
 719         ret = local->ops->remain_on_channel(&local->hw, chan, chantype,
 720                                             duration);
 721         trace_drv_return_int(local, ret);
 722
 723         return ret;
 724 }
 725
 726 static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local)
 727 {
 728         int ret;
 729
 730         might_sleep();
 731
 732         trace_drv_cancel_remain_on_channel(local);
 733         ret = local->ops->cancel_remain_on_channel(&local->hw);
 734         trace_drv_return_int(local, ret);
 735
 736         return ret;
 737 }
 738
 739 static inline int drv_set_ringparam(struct ieee80211_local *local,
 740                                     u32 tx, u32 rx)
 741 {
 742         int ret = -ENOTSUPP;
 743
 744         might_sleep();
 745
 746         trace_drv_set_ringparam(local, tx, rx);
 747         if (local->ops->set_ringparam)
 748                 ret = local->ops->set_ringparam(&local->hw, tx, rx);
 749         trace_drv_return_int(local, ret);
 750
 751         return ret;
 752 }
 753
 754 static inline void drv_get_ringparam(struct ieee80211_local *local,
 755                                      u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
 756 {
 757         might_sleep();
 758
 759         trace_drv_get_ringparam(local, tx, tx_max, rx, rx_max);
 760         if (local->ops->get_ringparam)
 761                 local->ops->get_ringparam(&local->hw, tx, tx_max, rx, rx_max);
 762         trace_drv_return_void(local);
 763 }
 764
 765 static inline bool drv_tx_frames_pending(struct ieee80211_local *local)
 766 {
 767         bool ret = false;
 768
 769         might_sleep();
 770
 771         trace_drv_tx_frames_pending(local);
 772         if (local->ops->tx_frames_pending)
 773                 ret = local->ops->tx_frames_pending(&local->hw);
 774         trace_drv_return_bool(local, ret);
 775
 776         return ret;
 777 }
 778
 779 static inline int drv_set_bitrate_mask(struct ieee80211_local *local,
 780                                        struct ieee80211_sub_if_data *sdata,
 781                                        const struct cfg80211_bitrate_mask *mask)
 782 {
 783         int ret = -EOPNOTSUPP;
 784
 785         might_sleep();
 786
 787         check_sdata_in_driver(sdata);
 788
 789         trace_drv_set_bitrate_mask(local, sdata, mask);
 790         if (local->ops->set_bitrate_mask)
 791                 ret = local->ops->set_bitrate_mask(&local->hw,
 792                                                    &sdata->vif, mask);
 793         trace_drv_return_int(local, ret);
 794
 795         return ret;
 796 }
 797
 798 static inline void drv_set_rekey_data(struct ieee80211_local *local,
 799                                       struct ieee80211_sub_if_data *sdata,
 800                                       struct cfg80211_gtk_rekey_data *data)
 801 {
 802         check_sdata_in_driver(sdata);
 803
 804         trace_drv_set_rekey_data(local, sdata, data);
 805         if (local->ops->set_rekey_data)
 806                 local->ops->set_rekey_data(&local->hw, &sdata->vif, data);
 807         trace_drv_return_void(local);
 808 }
 809
 810 static inline void drv_rssi_callback(struct ieee80211_local *local,
 811                                      const enum ieee80211_rssi_event event)
 812 {
 813         trace_drv_rssi_callback(local, event);
 814         if (local->ops->rssi_callback)
 815                 local->ops->rssi_callback(&local->hw, event);
 816         trace_drv_return_void(local);
 817 }
 818
 819 static inline void
 820 drv_release_buffered_frames(struct ieee80211_local *local,
 821                             struct sta_info *sta, u16 tids, int num_frames,
 822                             enum ieee80211_frame_release_type reason,
 823                             bool more_data)
 824 {
 825         trace_drv_release_buffered_frames(local, &sta->sta, tids, num_frames,
 826                                           reason, more_data);
 827         if (local->ops->release_buffered_frames)
 828                 local->ops->release_buffered_frames(&local->hw, &sta->sta, tids,
 829                                                     num_frames, reason,
 830                                                     more_data);
 831         trace_drv_return_void(local);
 832 }
 833
 834 static inline void
 835 drv_allow_buffered_frames(struct ieee80211_local *local,
 836                           struct sta_info *sta, u16 tids, int num_frames,
 837                           enum ieee80211_frame_release_type reason,
 838                           bool more_data)
 839 {
 840         trace_drv_allow_buffered_frames(local, &sta->sta, tids, num_frames,
 841                                         reason, more_data);
 842         if (local->ops->allow_buffered_frames)
 843                 local->ops->allow_buffered_frames(&local->hw, &sta->sta,
 844                                                   tids, num_frames, reason,
 845                                                   more_data);
 846         trace_drv_return_void(local);
 847 }
 848 #endif /* __MAC80211_DRIVER_OPS */