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 "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,
  26                           struct ieee80211_tx_control *control,
  27                           struct sk_buff *skb)
  28 {
  29         local->ops->tx(&local->hw, control, skb);
  30 }
  31
  32 static inline void drv_get_et_strings(struct ieee80211_sub_if_data *sdata,
  33                                       u32 sset, u8 *data)
  34 {
  35         struct ieee80211_local *local = sdata->local;
  36         if (local->ops->get_et_strings) {
  37                 trace_drv_get_et_strings(local, sset);
  38                 local->ops->get_et_strings(&local->hw, &sdata->vif, sset, data);
  39                 trace_drv_return_void(local);
  40         }
  41 }
  42
  43 static inline void drv_get_et_stats(struct ieee80211_sub_if_data *sdata,
  44                                     struct ethtool_stats *stats,
  45                                     u64 *data)
  46 {
  47         struct ieee80211_local *local = sdata->local;
  48         if (local->ops->get_et_stats) {
  49                 trace_drv_get_et_stats(local);
  50                 local->ops->get_et_stats(&local->hw, &sdata->vif, stats, data);
  51                 trace_drv_return_void(local);
  52         }
  53 }
  54
  55 static inline int drv_get_et_sset_count(struct ieee80211_sub_if_data *sdata,
  56                                         int sset)
  57 {
  58         struct ieee80211_local *local = sdata->local;
  59         int rv = 0;
  60         if (local->ops->get_et_sset_count) {
  61                 trace_drv_get_et_sset_count(local, sset);
  62                 rv = local->ops->get_et_sset_count(&local->hw, &sdata->vif,
  63                                                    sset);
  64                 trace_drv_return_int(local, rv);
  65         }
  66         return rv;
  67 }
  68
  69 static inline int drv_start(struct ieee80211_local *local)
  70 {
  71         int ret;
  72
  73         might_sleep();
  74
  75         trace_drv_start(local);
  76         local->started = true;
  77         smp_mb();
  78         ret = local->ops->start(&local->hw);
  79         trace_drv_return_int(local, ret);
  80         return ret;
  81 }
  82
  83 static inline void drv_stop(struct ieee80211_local *local)
  84 {
  85         might_sleep();
  86
  87         trace_drv_stop(local);
  88         local->ops->stop(&local->hw);
  89         trace_drv_return_void(local);
  90
  91         /* sync away all work on the tasklet before clearing started */
  92         tasklet_disable(&local->tasklet);
  93         tasklet_enable(&local->tasklet);
  94
  95         barrier();
  96
  97         local->started = false;
  98 }
  99
 100 #ifdef CONFIG_PM
 101 static inline int drv_suspend(struct ieee80211_local *local,
 102                               struct cfg80211_wowlan *wowlan)
 103 {
 104         int ret;
 105
 106         might_sleep();
 107
 108         trace_drv_suspend(local);
 109         ret = local->ops->suspend(&local->hw, wowlan);
 110         trace_drv_return_int(local, ret);
 111         return ret;
 112 }
 113
 114 static inline int drv_resume(struct ieee80211_local *local)
 115 {
 116         int ret;
 117
 118         might_sleep();
 119
 120         trace_drv_resume(local);
 121         ret = local->ops->resume(&local->hw);
 122         trace_drv_return_int(local, ret);
 123         return ret;
 124 }
 125
 126 static inline void drv_set_wakeup(struct ieee80211_local *local,
 127                                   bool enabled)
 128 {
 129         might_sleep();
 130
 131         if (!local->ops->set_wakeup)
 132                 return;
 133
 134         trace_drv_set_wakeup(local, enabled);
 135         local->ops->set_wakeup(&local->hw, enabled);
 136         trace_drv_return_void(local);
 137 }
 138 #endif
 139
 140 static inline int drv_add_interface(struct ieee80211_local *local,
 141                                     struct ieee80211_sub_if_data *sdata)
 142 {
 143         int ret;
 144
 145         might_sleep();
 146
 147         if (WARN_ON(sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
 148                     (sdata->vif.type == NL80211_IFTYPE_MONITOR &&
 149                      !(local->hw.flags & IEEE80211_HW_WANT_MONITOR_VIF))))
 150                 return -EINVAL;
 151
 152         trace_drv_add_interface(local, sdata);
 153         ret = local->ops->add_interface(&local->hw, &sdata->vif);
 154         trace_drv_return_int(local, ret);
 155
 156         if (ret == 0)
 157                 sdata->flags |= IEEE80211_SDATA_IN_DRIVER;
 158
 159         return ret;
 160 }
 161
 162 static inline int drv_change_interface(struct ieee80211_local *local,
 163                                        struct ieee80211_sub_if_data *sdata,
 164                                        enum nl80211_iftype type, bool p2p)
 165 {
 166         int ret;
 167
 168         might_sleep();
 169
 170         check_sdata_in_driver(sdata);
 171
 172         trace_drv_change_interface(local, sdata, type, p2p);
 173         ret = local->ops->change_interface(&local->hw, &sdata->vif, type, p2p);
 174         trace_drv_return_int(local, ret);
 175         return ret;
 176 }
 177
 178 static inline void drv_remove_interface(struct ieee80211_local *local,
 179                                         struct ieee80211_sub_if_data *sdata)
 180 {
 181         might_sleep();
 182
 183         check_sdata_in_driver(sdata);
 184
 185         trace_drv_remove_interface(local, sdata);
 186         local->ops->remove_interface(&local->hw, &sdata->vif);
 187         sdata->flags &= ~IEEE80211_SDATA_IN_DRIVER;
 188         trace_drv_return_void(local);
 189 }
 190
 191 static inline int drv_config(struct ieee80211_local *local, u32 changed)
 192 {
 193         int ret;
 194
 195         might_sleep();
 196
 197         trace_drv_config(local, changed);
 198         ret = local->ops->config(&local->hw, changed);
 199         trace_drv_return_int(local, ret);
 200         return ret;
 201 }
 202
 203 static inline void drv_bss_info_changed(struct ieee80211_local *local,
 204                                         struct ieee80211_sub_if_data *sdata,
 205                                         struct ieee80211_bss_conf *info,
 206                                         u32 changed)
 207 {
 208         might_sleep();
 209
 210         check_sdata_in_driver(sdata);
 211
 212         trace_drv_bss_info_changed(local, sdata, info, changed);
 213         if (local->ops->bss_info_changed)
 214                 local->ops->bss_info_changed(&local->hw, &sdata->vif, info, changed);
 215         trace_drv_return_void(local);
 216 }
 217
 218 static inline u64 drv_prepare_multicast(struct ieee80211_local *local,
 219                                         struct netdev_hw_addr_list *mc_list)
 220 {
 221         u64 ret = 0;
 222
 223         trace_drv_prepare_multicast(local, mc_list->count);
 224
 225         if (local->ops->prepare_multicast)
 226                 ret = local->ops->prepare_multicast(&local->hw, mc_list);
 227
 228         trace_drv_return_u64(local, ret);
 229
 230         return ret;
 231 }
 232
 233 static inline void drv_configure_filter(struct ieee80211_local *local,
 234                                         unsigned int changed_flags,
 235                                         unsigned int *total_flags,
 236                                         u64 multicast)
 237 {
 238         might_sleep();
 239
 240         trace_drv_configure_filter(local, changed_flags, total_flags,
 241                                    multicast);
 242         local->ops->configure_filter(&local->hw, changed_flags, total_flags,
 243                                      multicast);
 244         trace_drv_return_void(local);
 245 }
 246
 247 static inline int drv_set_tim(struct ieee80211_local *local,
 248                               struct ieee80211_sta *sta, bool set)
 249 {
 250         int ret = 0;
 251         trace_drv_set_tim(local, sta, set);
 252         if (local->ops->set_tim)
 253                 ret = local->ops->set_tim(&local->hw, sta, set);
 254         trace_drv_return_int(local, ret);
 255         return ret;
 256 }
 257
 258 static inline int drv_set_key(struct ieee80211_local *local,
 259                               enum set_key_cmd cmd,
 260                               struct ieee80211_sub_if_data *sdata,
 261                               struct ieee80211_sta *sta,
 262                               struct ieee80211_key_conf *key)
 263 {
 264         int ret;
 265
 266         might_sleep();
 267
 268         sdata = get_bss_sdata(sdata);
 269         check_sdata_in_driver(sdata);
 270
 271         trace_drv_set_key(local, cmd, sdata, sta, key);
 272         ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key);
 273         trace_drv_return_int(local, ret);
 274         return ret;
 275 }
 276
 277 static inline void drv_update_tkip_key(struct ieee80211_local *local,
 278                                        struct ieee80211_sub_if_data *sdata,
 279                                        struct ieee80211_key_conf *conf,
 280                                        struct sta_info *sta, u32 iv32,
 281                                        u16 *phase1key)
 282 {
 283         struct ieee80211_sta *ista = NULL;
 284
 285         if (sta)
 286                 ista = &sta->sta;
 287
 288         sdata = get_bss_sdata(sdata);
 289         check_sdata_in_driver(sdata);
 290
 291         trace_drv_update_tkip_key(local, sdata, conf, ista, iv32);
 292         if (local->ops->update_tkip_key)
 293                 local->ops->update_tkip_key(&local->hw, &sdata->vif, conf,
 294                                             ista, iv32, phase1key);
 295         trace_drv_return_void(local);
 296 }
 297
 298 static inline int drv_hw_scan(struct ieee80211_local *local,
 299                               struct ieee80211_sub_if_data *sdata,
 300                               struct cfg80211_scan_request *req)
 301 {
 302         int ret;
 303
 304         might_sleep();
 305
 306         check_sdata_in_driver(sdata);
 307
 308         trace_drv_hw_scan(local, sdata);
 309         ret = local->ops->hw_scan(&local->hw, &sdata->vif, req);
 310         trace_drv_return_int(local, ret);
 311         return ret;
 312 }
 313
 314 static inline void drv_cancel_hw_scan(struct ieee80211_local *local,
 315                                       struct ieee80211_sub_if_data *sdata)
 316 {
 317         might_sleep();
 318
 319         check_sdata_in_driver(sdata);
 320
 321         trace_drv_cancel_hw_scan(local, sdata);
 322         local->ops->cancel_hw_scan(&local->hw, &sdata->vif);
 323         trace_drv_return_void(local);
 324 }
 325
 326 static inline int
 327 drv_sched_scan_start(struct ieee80211_local *local,
 328                      struct ieee80211_sub_if_data *sdata,
 329                      struct cfg80211_sched_scan_request *req,
 330                      struct ieee80211_sched_scan_ies *ies)
 331 {
 332         int ret;
 333
 334         might_sleep();
 335
 336         check_sdata_in_driver(sdata);
 337
 338         trace_drv_sched_scan_start(local, sdata);
 339         ret = local->ops->sched_scan_start(&local->hw, &sdata->vif,
 340                                               req, ies);
 341         trace_drv_return_int(local, ret);
 342         return ret;
 343 }
 344
 345 static inline void drv_sched_scan_stop(struct ieee80211_local *local,
 346                                        struct ieee80211_sub_if_data *sdata)
 347 {
 348         might_sleep();
 349
 350         check_sdata_in_driver(sdata);
 351
 352         trace_drv_sched_scan_stop(local, sdata);
 353         local->ops->sched_scan_stop(&local->hw, &sdata->vif);
 354         trace_drv_return_void(local);
 355 }
 356
 357 static inline void drv_sw_scan_start(struct ieee80211_local *local)
 358 {
 359         might_sleep();
 360
 361         trace_drv_sw_scan_start(local);
 362         if (local->ops->sw_scan_start)
 363                 local->ops->sw_scan_start(&local->hw);
 364         trace_drv_return_void(local);
 365 }
 366
 367 static inline void drv_sw_scan_complete(struct ieee80211_local *local)
 368 {
 369         might_sleep();
 370
 371         trace_drv_sw_scan_complete(local);
 372         if (local->ops->sw_scan_complete)
 373                 local->ops->sw_scan_complete(&local->hw);
 374         trace_drv_return_void(local);
 375 }
 376
 377 static inline int drv_get_stats(struct ieee80211_local *local,
 378                                 struct ieee80211_low_level_stats *stats)
 379 {
 380         int ret = -EOPNOTSUPP;
 381
 382         might_sleep();
 383
 384         if (local->ops->get_stats)
 385                 ret = local->ops->get_stats(&local->hw, stats);
 386         trace_drv_get_stats(local, stats, ret);
 387
 388         return ret;
 389 }
 390
 391 static inline void drv_get_tkip_seq(struct ieee80211_local *local,
 392                                     u8 hw_key_idx, u32 *iv32, u16 *iv16)
 393 {
 394         if (local->ops->get_tkip_seq)
 395                 local->ops->get_tkip_seq(&local->hw, hw_key_idx, iv32, iv16);
 396         trace_drv_get_tkip_seq(local, hw_key_idx, iv32, iv16);
 397 }
 398
 399 static inline int drv_set_frag_threshold(struct ieee80211_local *local,
 400                                         u32 value)
 401 {
 402         int ret = 0;
 403
 404         might_sleep();
 405
 406         trace_drv_set_frag_threshold(local, value);
 407         if (local->ops->set_frag_threshold)
 408                 ret = local->ops->set_frag_threshold(&local->hw, value);
 409         trace_drv_return_int(local, ret);
 410         return ret;
 411 }
 412
 413 static inline int drv_set_rts_threshold(struct ieee80211_local *local,
 414                                         u32 value)
 415 {
 416         int ret = 0;
 417
 418         might_sleep();
 419
 420         trace_drv_set_rts_threshold(local, value);
 421         if (local->ops->set_rts_threshold)
 422                 ret = local->ops->set_rts_threshold(&local->hw, value);
 423         trace_drv_return_int(local, ret);
 424         return ret;
 425 }
 426
 427 static inline int drv_set_coverage_class(struct ieee80211_local *local,
 428                                          u8 value)
 429 {
 430         int ret = 0;
 431         might_sleep();
 432
 433         trace_drv_set_coverage_class(local, value);
 434         if (local->ops->set_coverage_class)
 435                 local->ops->set_coverage_class(&local->hw, value);
 436         else
 437                 ret = -EOPNOTSUPP;
 438
 439         trace_drv_return_int(local, ret);
 440         return ret;
 441 }
 442
 443 static inline void drv_sta_notify(struct ieee80211_local *local,
 444                                   struct ieee80211_sub_if_data *sdata,
 445                                   enum sta_notify_cmd cmd,
 446                                   struct ieee80211_sta *sta)
 447 {
 448         sdata = get_bss_sdata(sdata);
 449         check_sdata_in_driver(sdata);
 450
 451         trace_drv_sta_notify(local, sdata, cmd, sta);
 452         if (local->ops->sta_notify)
 453                 local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta);
 454         trace_drv_return_void(local);
 455 }
 456
 457 static inline int drv_sta_add(struct ieee80211_local *local,
 458                               struct ieee80211_sub_if_data *sdata,
 459                               struct ieee80211_sta *sta)
 460 {
 461         int ret = 0;
 462
 463         might_sleep();
 464
 465         sdata = get_bss_sdata(sdata);
 466         check_sdata_in_driver(sdata);
 467
 468         trace_drv_sta_add(local, sdata, sta);
 469         if (local->ops->sta_add)
 470                 ret = local->ops->sta_add(&local->hw, &sdata->vif, sta);
 471
 472         trace_drv_return_int(local, ret);
 473
 474         return ret;
 475 }
 476
 477 static inline void drv_sta_remove(struct ieee80211_local *local,
 478                                   struct ieee80211_sub_if_data *sdata,
 479                                   struct ieee80211_sta *sta)
 480 {
 481         might_sleep();
 482
 483         sdata = get_bss_sdata(sdata);
 484         check_sdata_in_driver(sdata);
 485
 486         trace_drv_sta_remove(local, sdata, sta);
 487         if (local->ops->sta_remove)
 488                 local->ops->sta_remove(&local->hw, &sdata->vif, sta);
 489
 490         trace_drv_return_void(local);
 491 }
 492
 493 static inline __must_check
 494 int drv_sta_state(struct ieee80211_local *local,
 495                   struct ieee80211_sub_if_data *sdata,
 496                   struct sta_info *sta,
 497                   enum ieee80211_sta_state old_state,
 498                   enum ieee80211_sta_state new_state)
 499 {
 500         int ret = 0;
 501
 502         might_sleep();
 503
 504         sdata = get_bss_sdata(sdata);
 505         check_sdata_in_driver(sdata);
 506
 507         trace_drv_sta_state(local, sdata, &sta->sta, old_state, new_state);
 508         if (local->ops->sta_state) {
 509                 ret = local->ops->sta_state(&local->hw, &sdata->vif, &sta->sta,
 510                                             old_state, new_state);
 511         } else if (old_state == IEEE80211_STA_AUTH &&
 512                    new_state == IEEE80211_STA_ASSOC) {
 513                 ret = drv_sta_add(local, sdata, &sta->sta);
 514                 if (ret == 0)
 515                         sta->uploaded = true;
 516         } else if (old_state == IEEE80211_STA_ASSOC &&
 517                    new_state == IEEE80211_STA_AUTH) {
 518                 drv_sta_remove(local, sdata, &sta->sta);
 519         }
 520         trace_drv_return_int(local, ret);
 521         return ret;
 522 }
 523
 524 static inline void drv_sta_rc_update(struct ieee80211_local *local,
 525                                      struct ieee80211_sub_if_data *sdata,
 526                                      struct ieee80211_sta *sta, u32 changed)
 527 {
 528         sdata = get_bss_sdata(sdata);
 529         check_sdata_in_driver(sdata);
 530
 531         trace_drv_sta_rc_update(local, sdata, sta, changed);
 532         if (local->ops->sta_rc_update)
 533                 local->ops->sta_rc_update(&local->hw, &sdata->vif,
 534                                           sta, changed);
 535
 536         trace_drv_return_void(local);
 537 }
 538
 539 static inline int drv_conf_tx(struct ieee80211_local *local,
 540                               struct ieee80211_sub_if_data *sdata, u16 ac,
 541                               const struct ieee80211_tx_queue_params *params)
 542 {
 543         int ret = -EOPNOTSUPP;
 544
 545         might_sleep();
 546
 547         check_sdata_in_driver(sdata);
 548
 549         trace_drv_conf_tx(local, sdata, ac, params);
 550         if (local->ops->conf_tx)
 551                 ret = local->ops->conf_tx(&local->hw, &sdata->vif,
 552                                           ac, params);
 553         trace_drv_return_int(local, ret);
 554         return ret;
 555 }
 556
 557 static inline u64 drv_get_tsf(struct ieee80211_local *local,
 558                               struct ieee80211_sub_if_data *sdata)
 559 {
 560         u64 ret = -1ULL;
 561
 562         might_sleep();
 563
 564         check_sdata_in_driver(sdata);
 565
 566         trace_drv_get_tsf(local, sdata);
 567         if (local->ops->get_tsf)
 568                 ret = local->ops->get_tsf(&local->hw, &sdata->vif);
 569         trace_drv_return_u64(local, ret);
 570         return ret;
 571 }
 572
 573 static inline void drv_set_tsf(struct ieee80211_local *local,
 574                                struct ieee80211_sub_if_data *sdata,
 575                                u64 tsf)
 576 {
 577         might_sleep();
 578
 579         check_sdata_in_driver(sdata);
 580
 581         trace_drv_set_tsf(local, sdata, tsf);
 582         if (local->ops->set_tsf)
 583                 local->ops->set_tsf(&local->hw, &sdata->vif, tsf);
 584         trace_drv_return_void(local);
 585 }
 586
 587 static inline void drv_reset_tsf(struct ieee80211_local *local,
 588                                  struct ieee80211_sub_if_data *sdata)
 589 {
 590         might_sleep();
 591
 592         check_sdata_in_driver(sdata);
 593
 594         trace_drv_reset_tsf(local, sdata);
 595         if (local->ops->reset_tsf)
 596                 local->ops->reset_tsf(&local->hw, &sdata->vif);
 597         trace_drv_return_void(local);
 598 }
 599
 600 static inline int drv_tx_last_beacon(struct ieee80211_local *local)
 601 {
 602         int ret = 0; /* default unsuported op for less congestion */
 603
 604         might_sleep();
 605
 606         trace_drv_tx_last_beacon(local);
 607         if (local->ops->tx_last_beacon)
 608                 ret = local->ops->tx_last_beacon(&local->hw);
 609         trace_drv_return_int(local, ret);
 610         return ret;
 611 }
 612
 613 static inline int drv_ampdu_action(struct ieee80211_local *local,
 614                                    struct ieee80211_sub_if_data *sdata,
 615                                    enum ieee80211_ampdu_mlme_action action,
 616                                    struct ieee80211_sta *sta, u16 tid,
 617                                    u16 *ssn, u8 buf_size)
 618 {
 619         int ret = -EOPNOTSUPP;
 620
 621         might_sleep();
 622
 623         sdata = get_bss_sdata(sdata);
 624         check_sdata_in_driver(sdata);
 625
 626         trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, buf_size);
 627
 628         if (local->ops->ampdu_action)
 629                 ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
 630                                                sta, tid, ssn, buf_size);
 631
 632         trace_drv_return_int(local, ret);
 633
 634         return ret;
 635 }
 636
 637 static inline int drv_get_survey(struct ieee80211_local *local, int idx,
 638                                 struct survey_info *survey)
 639 {
 640         int ret = -EOPNOTSUPP;
 641
 642         trace_drv_get_survey(local, idx, survey);
 643
 644         if (local->ops->get_survey)
 645                 ret = local->ops->get_survey(&local->hw, idx, survey);
 646
 647         trace_drv_return_int(local, ret);
 648
 649         return ret;
 650 }
 651
 652 static inline void drv_rfkill_poll(struct ieee80211_local *local)
 653 {
 654         might_sleep();
 655
 656         if (local->ops->rfkill_poll)
 657                 local->ops->rfkill_poll(&local->hw);
 658 }
 659
 660 static inline void drv_flush(struct ieee80211_local *local, bool drop)
 661 {
 662         might_sleep();
 663
 664         trace_drv_flush(local, drop);
 665         if (local->ops->flush)
 666                 local->ops->flush(&local->hw, drop);
 667         trace_drv_return_void(local);
 668 }
 669
 670 static inline void drv_channel_switch(struct ieee80211_local *local,
 671                                      struct ieee80211_channel_switch *ch_switch)
 672 {
 673         might_sleep();
 674
 675         trace_drv_channel_switch(local, ch_switch);
 676         local->ops->channel_switch(&local->hw, ch_switch);
 677         trace_drv_return_void(local);
 678 }
 679
 680
 681 static inline int drv_set_antenna(struct ieee80211_local *local,
 682                                   u32 tx_ant, u32 rx_ant)
 683 {
 684         int ret = -EOPNOTSUPP;
 685         might_sleep();
 686         if (local->ops->set_antenna)
 687                 ret = local->ops->set_antenna(&local->hw, tx_ant, rx_ant);
 688         trace_drv_set_antenna(local, tx_ant, rx_ant, ret);
 689         return ret;
 690 }
 691
 692 static inline int drv_get_antenna(struct ieee80211_local *local,
 693                                   u32 *tx_ant, u32 *rx_ant)
 694 {
 695         int ret = -EOPNOTSUPP;
 696         might_sleep();
 697         if (local->ops->get_antenna)
 698                 ret = local->ops->get_antenna(&local->hw, tx_ant, rx_ant);
 699         trace_drv_get_antenna(local, *tx_ant, *rx_ant, ret);
 700         return ret;
 701 }
 702
 703 static inline int drv_remain_on_channel(struct ieee80211_local *local,
 704                                         struct ieee80211_channel *chan,
 705                                         enum nl80211_channel_type chantype,
 706                                         unsigned int duration)
 707 {
 708         int ret;
 709
 710         might_sleep();
 711
 712         trace_drv_remain_on_channel(local, chan, chantype, duration);
 713         ret = local->ops->remain_on_channel(&local->hw, chan, chantype,
 714                                             duration);
 715         trace_drv_return_int(local, ret);
 716
 717         return ret;
 718 }
 719
 720 static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local)
 721 {
 722         int ret;
 723
 724         might_sleep();
 725
 726         trace_drv_cancel_remain_on_channel(local);
 727         ret = local->ops->cancel_remain_on_channel(&local->hw);
 728         trace_drv_return_int(local, ret);
 729
 730         return ret;
 731 }
 732
 733 static inline int drv_set_ringparam(struct ieee80211_local *local,
 734                                     u32 tx, u32 rx)
 735 {
 736         int ret = -ENOTSUPP;
 737
 738         might_sleep();
 739
 740         trace_drv_set_ringparam(local, tx, rx);
 741         if (local->ops->set_ringparam)
 742                 ret = local->ops->set_ringparam(&local->hw, tx, rx);
 743         trace_drv_return_int(local, ret);
 744
 745         return ret;
 746 }
 747
 748 static inline void drv_get_ringparam(struct ieee80211_local *local,
 749                                      u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
 750 {
 751         might_sleep();
 752
 753         trace_drv_get_ringparam(local, tx, tx_max, rx, rx_max);
 754         if (local->ops->get_ringparam)
 755                 local->ops->get_ringparam(&local->hw, tx, tx_max, rx, rx_max);
 756         trace_drv_return_void(local);
 757 }
 758
 759 static inline bool drv_tx_frames_pending(struct ieee80211_local *local)
 760 {
 761         bool ret = false;
 762
 763         might_sleep();
 764
 765         trace_drv_tx_frames_pending(local);
 766         if (local->ops->tx_frames_pending)
 767                 ret = local->ops->tx_frames_pending(&local->hw);
 768         trace_drv_return_bool(local, ret);
 769
 770         return ret;
 771 }
 772
 773 static inline int drv_set_bitrate_mask(struct ieee80211_local *local,
 774                                        struct ieee80211_sub_if_data *sdata,
 775                                        const struct cfg80211_bitrate_mask *mask)
 776 {
 777         int ret = -EOPNOTSUPP;
 778
 779         might_sleep();
 780
 781         check_sdata_in_driver(sdata);
 782
 783         trace_drv_set_bitrate_mask(local, sdata, mask);
 784         if (local->ops->set_bitrate_mask)
 785                 ret = local->ops->set_bitrate_mask(&local->hw,
 786                                                    &sdata->vif, mask);
 787         trace_drv_return_int(local, ret);
 788
 789         return ret;
 790 }
 791
 792 static inline void drv_set_rekey_data(struct ieee80211_local *local,
 793                                       struct ieee80211_sub_if_data *sdata,
 794                                       struct cfg80211_gtk_rekey_data *data)
 795 {
 796         check_sdata_in_driver(sdata);
 797
 798         trace_drv_set_rekey_data(local, sdata, data);
 799         if (local->ops->set_rekey_data)
 800                 local->ops->set_rekey_data(&local->hw, &sdata->vif, data);
 801         trace_drv_return_void(local);
 802 }
 803
 804 static inline void drv_rssi_callback(struct ieee80211_local *local,
 805                                      const enum ieee80211_rssi_event event)
 806 {
 807         trace_drv_rssi_callback(local, event);
 808         if (local->ops->rssi_callback)
 809                 local->ops->rssi_callback(&local->hw, event);
 810         trace_drv_return_void(local);
 811 }
 812
 813 static inline void
 814 drv_release_buffered_frames(struct ieee80211_local *local,
 815                             struct sta_info *sta, u16 tids, int num_frames,
 816                             enum ieee80211_frame_release_type reason,
 817                             bool more_data)
 818 {
 819         trace_drv_release_buffered_frames(local, &sta->sta, tids, num_frames,
 820                                           reason, more_data);
 821         if (local->ops->release_buffered_frames)
 822                 local->ops->release_buffered_frames(&local->hw, &sta->sta, tids,
 823                                                     num_frames, reason,
 824                                                     more_data);
 825         trace_drv_return_void(local);
 826 }
 827
 828 static inline void
 829 drv_allow_buffered_frames(struct ieee80211_local *local,
 830                           struct sta_info *sta, u16 tids, int num_frames,
 831                           enum ieee80211_frame_release_type reason,
 832                           bool more_data)
 833 {
 834         trace_drv_allow_buffered_frames(local, &sta->sta, tids, num_frames,
 835                                         reason, more_data);
 836         if (local->ops->allow_buffered_frames)
 837                 local->ops->allow_buffered_frames(&local->hw, &sta->sta,
 838                                                   tids, num_frames, reason,
 839                                                   more_data);
 840         trace_drv_return_void(local);
 841 }
 842
 843 static inline int drv_get_rssi(struct ieee80211_local *local,
 844                                 struct ieee80211_sub_if_data *sdata,
 845                                 struct ieee80211_sta *sta,
 846                                 s8 *rssi_dbm)
 847 {
 848         int ret;
 849
 850         might_sleep();
 851
 852         ret = local->ops->get_rssi(&local->hw, &sdata->vif, sta, rssi_dbm);
 853         trace_drv_get_rssi(local, sta, *rssi_dbm, ret);
 854
 855         return ret;
 856 }
 857
 858 static inline void drv_mgd_prepare_tx(struct ieee80211_local *local,
 859                                       struct ieee80211_sub_if_data *sdata)
 860 {
 861         might_sleep();
 862
 863         check_sdata_in_driver(sdata);
 864         WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION);
 865
 866         trace_drv_mgd_prepare_tx(local, sdata);
 867         if (local->ops->mgd_prepare_tx)
 868                 local->ops->mgd_prepare_tx(&local->hw, &sdata->vif);
 869         trace_drv_return_void(local);
 870 }
 871 #endif /* __MAC80211_DRIVER_OPS */