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 ? sdata->dev->name : sdata->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 #ifdef CONFIG_MAC80211_DEBUGFS
 494 static inline void drv_sta_add_debugfs(struct ieee80211_local *local,
 495                                        struct ieee80211_sub_if_data *sdata,
 496                                        struct ieee80211_sta *sta,
 497                                        struct dentry *dir)
 498 {
 499         might_sleep();
 500
 501         sdata = get_bss_sdata(sdata);
 502         check_sdata_in_driver(sdata);
 503
 504         if (local->ops->sta_add_debugfs)
 505                 local->ops->sta_add_debugfs(&local->hw, &sdata->vif,
 506                                             sta, dir);
 507 }
 508
 509 static inline void drv_sta_remove_debugfs(struct ieee80211_local *local,
 510                                           struct ieee80211_sub_if_data *sdata,
 511                                           struct ieee80211_sta *sta,
 512                                           struct dentry *dir)
 513 {
 514         might_sleep();
 515
 516         sdata = get_bss_sdata(sdata);
 517         check_sdata_in_driver(sdata);
 518
 519         if (local->ops->sta_remove_debugfs)
 520                 local->ops->sta_remove_debugfs(&local->hw, &sdata->vif,
 521                                                sta, dir);
 522 }
 523 #endif
 524
 525 static inline __must_check
 526 int drv_sta_state(struct ieee80211_local *local,
 527                   struct ieee80211_sub_if_data *sdata,
 528                   struct sta_info *sta,
 529                   enum ieee80211_sta_state old_state,
 530                   enum ieee80211_sta_state new_state)
 531 {
 532         int ret = 0;
 533
 534         might_sleep();
 535
 536         sdata = get_bss_sdata(sdata);
 537         check_sdata_in_driver(sdata);
 538
 539         trace_drv_sta_state(local, sdata, &sta->sta, old_state, new_state);
 540         if (local->ops->sta_state) {
 541                 ret = local->ops->sta_state(&local->hw, &sdata->vif, &sta->sta,
 542                                             old_state, new_state);
 543         } else if (old_state == IEEE80211_STA_AUTH &&
 544                    new_state == IEEE80211_STA_ASSOC) {
 545                 ret = drv_sta_add(local, sdata, &sta->sta);
 546                 if (ret == 0)
 547                         sta->uploaded = true;
 548         } else if (old_state == IEEE80211_STA_ASSOC &&
 549                    new_state == IEEE80211_STA_AUTH) {
 550                 drv_sta_remove(local, sdata, &sta->sta);
 551         }
 552         trace_drv_return_int(local, ret);
 553         return ret;
 554 }
 555
 556 static inline void drv_sta_rc_update(struct ieee80211_local *local,
 557                                      struct ieee80211_sub_if_data *sdata,
 558                                      struct ieee80211_sta *sta, u32 changed)
 559 {
 560         sdata = get_bss_sdata(sdata);
 561         check_sdata_in_driver(sdata);
 562
 563         WARN_ON(changed & IEEE80211_RC_SUPP_RATES_CHANGED &&
 564                 sdata->vif.type != NL80211_IFTYPE_ADHOC);
 565
 566         trace_drv_sta_rc_update(local, sdata, sta, changed);
 567         if (local->ops->sta_rc_update)
 568                 local->ops->sta_rc_update(&local->hw, &sdata->vif,
 569                                           sta, changed);
 570
 571         trace_drv_return_void(local);
 572 }
 573
 574 static inline int drv_conf_tx(struct ieee80211_local *local,
 575                               struct ieee80211_sub_if_data *sdata, u16 ac,
 576                               const struct ieee80211_tx_queue_params *params)
 577 {
 578         int ret = -EOPNOTSUPP;
 579
 580         might_sleep();
 581
 582         check_sdata_in_driver(sdata);
 583
 584         trace_drv_conf_tx(local, sdata, ac, params);
 585         if (local->ops->conf_tx)
 586                 ret = local->ops->conf_tx(&local->hw, &sdata->vif,
 587                                           ac, params);
 588         trace_drv_return_int(local, ret);
 589         return ret;
 590 }
 591
 592 static inline u64 drv_get_tsf(struct ieee80211_local *local,
 593                               struct ieee80211_sub_if_data *sdata)
 594 {
 595         u64 ret = -1ULL;
 596
 597         might_sleep();
 598
 599         check_sdata_in_driver(sdata);
 600
 601         trace_drv_get_tsf(local, sdata);
 602         if (local->ops->get_tsf)
 603                 ret = local->ops->get_tsf(&local->hw, &sdata->vif);
 604         trace_drv_return_u64(local, ret);
 605         return ret;
 606 }
 607
 608 static inline void drv_set_tsf(struct ieee80211_local *local,
 609                                struct ieee80211_sub_if_data *sdata,
 610                                u64 tsf)
 611 {
 612         might_sleep();
 613
 614         check_sdata_in_driver(sdata);
 615
 616         trace_drv_set_tsf(local, sdata, tsf);
 617         if (local->ops->set_tsf)
 618                 local->ops->set_tsf(&local->hw, &sdata->vif, tsf);
 619         trace_drv_return_void(local);
 620 }
 621
 622 static inline void drv_reset_tsf(struct ieee80211_local *local,
 623                                  struct ieee80211_sub_if_data *sdata)
 624 {
 625         might_sleep();
 626
 627         check_sdata_in_driver(sdata);
 628
 629         trace_drv_reset_tsf(local, sdata);
 630         if (local->ops->reset_tsf)
 631                 local->ops->reset_tsf(&local->hw, &sdata->vif);
 632         trace_drv_return_void(local);
 633 }
 634
 635 static inline int drv_tx_last_beacon(struct ieee80211_local *local)
 636 {
 637         int ret = 0; /* default unsuported op for less congestion */
 638
 639         might_sleep();
 640
 641         trace_drv_tx_last_beacon(local);
 642         if (local->ops->tx_last_beacon)
 643                 ret = local->ops->tx_last_beacon(&local->hw);
 644         trace_drv_return_int(local, ret);
 645         return ret;
 646 }
 647
 648 static inline int drv_ampdu_action(struct ieee80211_local *local,
 649                                    struct ieee80211_sub_if_data *sdata,
 650                                    enum ieee80211_ampdu_mlme_action action,
 651                                    struct ieee80211_sta *sta, u16 tid,
 652                                    u16 *ssn, u8 buf_size)
 653 {
 654         int ret = -EOPNOTSUPP;
 655
 656         might_sleep();
 657
 658         sdata = get_bss_sdata(sdata);
 659         check_sdata_in_driver(sdata);
 660
 661         trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, buf_size);
 662
 663         if (local->ops->ampdu_action)
 664                 ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
 665                                                sta, tid, ssn, buf_size);
 666
 667         trace_drv_return_int(local, ret);
 668
 669         return ret;
 670 }
 671
 672 static inline int drv_get_survey(struct ieee80211_local *local, int idx,
 673                                 struct survey_info *survey)
 674 {
 675         int ret = -EOPNOTSUPP;
 676
 677         trace_drv_get_survey(local, idx, survey);
 678
 679         if (local->ops->get_survey)
 680                 ret = local->ops->get_survey(&local->hw, idx, survey);
 681
 682         trace_drv_return_int(local, ret);
 683
 684         return ret;
 685 }
 686
 687 static inline void drv_rfkill_poll(struct ieee80211_local *local)
 688 {
 689         might_sleep();
 690
 691         if (local->ops->rfkill_poll)
 692                 local->ops->rfkill_poll(&local->hw);
 693 }
 694
 695 static inline void drv_flush(struct ieee80211_local *local, bool drop)
 696 {
 697         might_sleep();
 698
 699         trace_drv_flush(local, drop);
 700         if (local->ops->flush)
 701                 local->ops->flush(&local->hw, drop);
 702         trace_drv_return_void(local);
 703 }
 704
 705 static inline void drv_channel_switch(struct ieee80211_local *local,
 706                                      struct ieee80211_channel_switch *ch_switch)
 707 {
 708         might_sleep();
 709
 710         trace_drv_channel_switch(local, ch_switch);
 711         local->ops->channel_switch(&local->hw, ch_switch);
 712         trace_drv_return_void(local);
 713 }
 714
 715
 716 static inline int drv_set_antenna(struct ieee80211_local *local,
 717                                   u32 tx_ant, u32 rx_ant)
 718 {
 719         int ret = -EOPNOTSUPP;
 720         might_sleep();
 721         if (local->ops->set_antenna)
 722                 ret = local->ops->set_antenna(&local->hw, tx_ant, rx_ant);
 723         trace_drv_set_antenna(local, tx_ant, rx_ant, ret);
 724         return ret;
 725 }
 726
 727 static inline int drv_get_antenna(struct ieee80211_local *local,
 728                                   u32 *tx_ant, u32 *rx_ant)
 729 {
 730         int ret = -EOPNOTSUPP;
 731         might_sleep();
 732         if (local->ops->get_antenna)
 733                 ret = local->ops->get_antenna(&local->hw, tx_ant, rx_ant);
 734         trace_drv_get_antenna(local, *tx_ant, *rx_ant, ret);
 735         return ret;
 736 }
 737
 738 static inline int drv_remain_on_channel(struct ieee80211_local *local,
 739                                         struct ieee80211_sub_if_data *sdata,
 740                                         struct ieee80211_channel *chan,
 741                                         unsigned int duration)
 742 {
 743         int ret;
 744
 745         might_sleep();
 746
 747         trace_drv_remain_on_channel(local, sdata, chan, duration);
 748         ret = local->ops->remain_on_channel(&local->hw, &sdata->vif,
 749                                             chan, duration);
 750         trace_drv_return_int(local, ret);
 751
 752         return ret;
 753 }
 754
 755 static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local)
 756 {
 757         int ret;
 758
 759         might_sleep();
 760
 761         trace_drv_cancel_remain_on_channel(local);
 762         ret = local->ops->cancel_remain_on_channel(&local->hw);
 763         trace_drv_return_int(local, ret);
 764
 765         return ret;
 766 }
 767
 768 static inline int drv_set_ringparam(struct ieee80211_local *local,
 769                                     u32 tx, u32 rx)
 770 {
 771         int ret = -ENOTSUPP;
 772
 773         might_sleep();
 774
 775         trace_drv_set_ringparam(local, tx, rx);
 776         if (local->ops->set_ringparam)
 777                 ret = local->ops->set_ringparam(&local->hw, tx, rx);
 778         trace_drv_return_int(local, ret);
 779
 780         return ret;
 781 }
 782
 783 static inline void drv_get_ringparam(struct ieee80211_local *local,
 784                                      u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
 785 {
 786         might_sleep();
 787
 788         trace_drv_get_ringparam(local, tx, tx_max, rx, rx_max);
 789         if (local->ops->get_ringparam)
 790                 local->ops->get_ringparam(&local->hw, tx, tx_max, rx, rx_max);
 791         trace_drv_return_void(local);
 792 }
 793
 794 static inline bool drv_tx_frames_pending(struct ieee80211_local *local)
 795 {
 796         bool ret = false;
 797
 798         might_sleep();
 799
 800         trace_drv_tx_frames_pending(local);
 801         if (local->ops->tx_frames_pending)
 802                 ret = local->ops->tx_frames_pending(&local->hw);
 803         trace_drv_return_bool(local, ret);
 804
 805         return ret;
 806 }
 807
 808 static inline int drv_set_bitrate_mask(struct ieee80211_local *local,
 809                                        struct ieee80211_sub_if_data *sdata,
 810                                        const struct cfg80211_bitrate_mask *mask)
 811 {
 812         int ret = -EOPNOTSUPP;
 813
 814         might_sleep();
 815
 816         check_sdata_in_driver(sdata);
 817
 818         trace_drv_set_bitrate_mask(local, sdata, mask);
 819         if (local->ops->set_bitrate_mask)
 820                 ret = local->ops->set_bitrate_mask(&local->hw,
 821                                                    &sdata->vif, mask);
 822         trace_drv_return_int(local, ret);
 823
 824         return ret;
 825 }
 826
 827 static inline void drv_set_rekey_data(struct ieee80211_local *local,
 828                                       struct ieee80211_sub_if_data *sdata,
 829                                       struct cfg80211_gtk_rekey_data *data)
 830 {
 831         check_sdata_in_driver(sdata);
 832
 833         trace_drv_set_rekey_data(local, sdata, data);
 834         if (local->ops->set_rekey_data)
 835                 local->ops->set_rekey_data(&local->hw, &sdata->vif, data);
 836         trace_drv_return_void(local);
 837 }
 838
 839 static inline void drv_rssi_callback(struct ieee80211_local *local,
 840                                      const enum ieee80211_rssi_event event)
 841 {
 842         trace_drv_rssi_callback(local, event);
 843         if (local->ops->rssi_callback)
 844                 local->ops->rssi_callback(&local->hw, event);
 845         trace_drv_return_void(local);
 846 }
 847
 848 static inline void
 849 drv_release_buffered_frames(struct ieee80211_local *local,
 850                             struct sta_info *sta, u16 tids, int num_frames,
 851                             enum ieee80211_frame_release_type reason,
 852                             bool more_data)
 853 {
 854         trace_drv_release_buffered_frames(local, &sta->sta, tids, num_frames,
 855                                           reason, more_data);
 856         if (local->ops->release_buffered_frames)
 857                 local->ops->release_buffered_frames(&local->hw, &sta->sta, tids,
 858                                                     num_frames, reason,
 859                                                     more_data);
 860         trace_drv_return_void(local);
 861 }
 862
 863 static inline void
 864 drv_allow_buffered_frames(struct ieee80211_local *local,
 865                           struct sta_info *sta, u16 tids, int num_frames,
 866                           enum ieee80211_frame_release_type reason,
 867                           bool more_data)
 868 {
 869         trace_drv_allow_buffered_frames(local, &sta->sta, tids, num_frames,
 870                                         reason, more_data);
 871         if (local->ops->allow_buffered_frames)
 872                 local->ops->allow_buffered_frames(&local->hw, &sta->sta,
 873                                                   tids, num_frames, reason,
 874                                                   more_data);
 875         trace_drv_return_void(local);
 876 }
 877
 878 static inline int drv_get_rssi(struct ieee80211_local *local,
 879                                 struct ieee80211_sub_if_data *sdata,
 880                                 struct ieee80211_sta *sta,
 881                                 s8 *rssi_dbm)
 882 {
 883         int ret;
 884
 885         might_sleep();
 886
 887         ret = local->ops->get_rssi(&local->hw, &sdata->vif, sta, rssi_dbm);
 888         trace_drv_get_rssi(local, sta, *rssi_dbm, ret);
 889
 890         return ret;
 891 }
 892
 893 static inline void drv_mgd_prepare_tx(struct ieee80211_local *local,
 894                                       struct ieee80211_sub_if_data *sdata)
 895 {
 896         might_sleep();
 897
 898         check_sdata_in_driver(sdata);
 899         WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION);
 900
 901         trace_drv_mgd_prepare_tx(local, sdata);
 902         if (local->ops->mgd_prepare_tx)
 903                 local->ops->mgd_prepare_tx(&local->hw, &sdata->vif);
 904         trace_drv_return_void(local);
 905 }
 906
 907 static inline int drv_add_chanctx(struct ieee80211_local *local,
 908                                   struct ieee80211_chanctx *ctx)
 909 {
 910         int ret = -EOPNOTSUPP;
 911
 912         trace_drv_add_chanctx(local, ctx);
 913         if (local->ops->add_chanctx)
 914                 ret = local->ops->add_chanctx(&local->hw, &ctx->conf);
 915         trace_drv_return_int(local, ret);
 916
 917         return ret;
 918 }
 919
 920 static inline void drv_remove_chanctx(struct ieee80211_local *local,
 921                                       struct ieee80211_chanctx *ctx)
 922 {
 923         trace_drv_remove_chanctx(local, ctx);
 924         if (local->ops->remove_chanctx)
 925                 local->ops->remove_chanctx(&local->hw, &ctx->conf);
 926         trace_drv_return_void(local);
 927 }
 928
 929 static inline void drv_change_chanctx(struct ieee80211_local *local,
 930                                       struct ieee80211_chanctx *ctx,
 931                                       u32 changed)
 932 {
 933         trace_drv_change_chanctx(local, ctx, changed);
 934         if (local->ops->change_chanctx)
 935                 local->ops->change_chanctx(&local->hw, &ctx->conf, changed);
 936         trace_drv_return_void(local);
 937 }
 938
 939 static inline int drv_assign_vif_chanctx(struct ieee80211_local *local,
 940                                          struct ieee80211_sub_if_data *sdata,
 941                                          struct ieee80211_chanctx *ctx)
 942 {
 943         int ret = 0;
 944
 945         check_sdata_in_driver(sdata);
 946
 947         trace_drv_assign_vif_chanctx(local, sdata, ctx);
 948         if (local->ops->assign_vif_chanctx)
 949                 ret = local->ops->assign_vif_chanctx(&local->hw,
 950                                                      &sdata->vif,
 951                                                      &ctx->conf);
 952         trace_drv_return_int(local, ret);
 953
 954         return ret;
 955 }
 956
 957 static inline void drv_unassign_vif_chanctx(struct ieee80211_local *local,
 958                                             struct ieee80211_sub_if_data *sdata,
 959                                             struct ieee80211_chanctx *ctx)
 960 {
 961         check_sdata_in_driver(sdata);
 962
 963         trace_drv_unassign_vif_chanctx(local, sdata, ctx);
 964         if (local->ops->unassign_vif_chanctx)
 965                 local->ops->unassign_vif_chanctx(&local->hw,
 966                                                  &sdata->vif,
 967                                                  &ctx->conf);
 968         trace_drv_return_void(local);
 969 }
 970
 971 static inline int drv_start_ap(struct ieee80211_local *local,
 972                                struct ieee80211_sub_if_data *sdata)
 973 {
 974         int ret = 0;
 975
 976         check_sdata_in_driver(sdata);
 977
 978         trace_drv_start_ap(local, sdata, &sdata->vif.bss_conf);
 979         if (local->ops->start_ap)
 980                 ret = local->ops->start_ap(&local->hw, &sdata->vif);
 981         trace_drv_return_int(local, ret);
 982         return ret;
 983 }
 984
 985 static inline void drv_stop_ap(struct ieee80211_local *local,
 986                                struct ieee80211_sub_if_data *sdata)
 987 {
 988         check_sdata_in_driver(sdata);
 989
 990         trace_drv_stop_ap(local, sdata);
 991         if (local->ops->stop_ap)
 992                 local->ops->stop_ap(&local->hw, &sdata->vif);
 993         trace_drv_return_void(local);
 994 }
 995
 996 static inline void drv_restart_complete(struct ieee80211_local *local)
 997 {
 998         might_sleep();
 999
1000         trace_drv_restart_complete(local);
1001         if (local->ops->restart_complete)
1002                 local->ops->restart_complete(&local->hw);
1003         trace_drv_return_void(local);
1004 }
1005
1006 #endif /* __MAC80211_DRIVER_OPS */