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