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 bool check_sdata_in_driver(struct ieee80211_sub_if_data *sdata)
   9 {
  10         return !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                      !(sdata->u.mntr_flags & MONITOR_FLAG_ACTIVE))))
 151                 return -EINVAL;
 152
 153         trace_drv_add_interface(local, sdata);
 154         ret = local->ops->add_interface(&local->hw, &sdata->vif);
 155         trace_drv_return_int(local, ret);
 156
 157         if (ret == 0)
 158                 sdata->flags |= IEEE80211_SDATA_IN_DRIVER;
 159
 160         return ret;
 161 }
 162
 163 static inline int drv_change_interface(struct ieee80211_local *local,
 164                                        struct ieee80211_sub_if_data *sdata,
 165                                        enum nl80211_iftype type, bool p2p)
 166 {
 167         int ret;
 168
 169         might_sleep();
 170
 171         if (!check_sdata_in_driver(sdata))
 172                 return -EIO;
 173
 174         trace_drv_change_interface(local, sdata, type, p2p);
 175         ret = local->ops->change_interface(&local->hw, &sdata->vif, type, p2p);
 176         trace_drv_return_int(local, ret);
 177         return ret;
 178 }
 179
 180 static inline void drv_remove_interface(struct ieee80211_local *local,
 181                                         struct ieee80211_sub_if_data *sdata)
 182 {
 183         might_sleep();
 184
 185         if (!check_sdata_in_driver(sdata))
 186                 return;
 187
 188         trace_drv_remove_interface(local, sdata);
 189         local->ops->remove_interface(&local->hw, &sdata->vif);
 190         sdata->flags &= ~IEEE80211_SDATA_IN_DRIVER;
 191         trace_drv_return_void(local);
 192 }
 193
 194 static inline int drv_config(struct ieee80211_local *local, u32 changed)
 195 {
 196         int ret;
 197
 198         might_sleep();
 199
 200         trace_drv_config(local, changed);
 201         ret = local->ops->config(&local->hw, changed);
 202         trace_drv_return_int(local, ret);
 203         return ret;
 204 }
 205
 206 static inline void drv_bss_info_changed(struct ieee80211_local *local,
 207                                         struct ieee80211_sub_if_data *sdata,
 208                                         struct ieee80211_bss_conf *info,
 209                                         u32 changed)
 210 {
 211         might_sleep();
 212
 213         if (WARN_ON_ONCE(changed & (BSS_CHANGED_BEACON |
 214                                     BSS_CHANGED_BEACON_ENABLED) &&
 215                          sdata->vif.type != NL80211_IFTYPE_AP &&
 216                          sdata->vif.type != NL80211_IFTYPE_ADHOC &&
 217                          sdata->vif.type != NL80211_IFTYPE_MESH_POINT))
 218                 return;
 219
 220         if (WARN_ON_ONCE(sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE ||
 221                          sdata->vif.type == NL80211_IFTYPE_MONITOR))
 222                 return;
 223
 224         if (!check_sdata_in_driver(sdata))
 225                 return;
 226
 227         trace_drv_bss_info_changed(local, sdata, info, changed);
 228         if (local->ops->bss_info_changed)
 229                 local->ops->bss_info_changed(&local->hw, &sdata->vif, info, changed);
 230         trace_drv_return_void(local);
 231 }
 232
 233 static inline u64 drv_prepare_multicast(struct ieee80211_local *local,
 234                                         struct netdev_hw_addr_list *mc_list)
 235 {
 236         u64 ret = 0;
 237
 238         trace_drv_prepare_multicast(local, mc_list->count);
 239
 240         if (local->ops->prepare_multicast)
 241                 ret = local->ops->prepare_multicast(&local->hw, mc_list);
 242
 243         trace_drv_return_u64(local, ret);
 244
 245         return ret;
 246 }
 247
 248 static inline void drv_configure_filter(struct ieee80211_local *local,
 249                                         unsigned int changed_flags,
 250                                         unsigned int *total_flags,
 251                                         u64 multicast)
 252 {
 253         might_sleep();
 254
 255         trace_drv_configure_filter(local, changed_flags, total_flags,
 256                                    multicast);
 257         local->ops->configure_filter(&local->hw, changed_flags, total_flags,
 258                                      multicast);
 259         trace_drv_return_void(local);
 260 }
 261
 262 static inline int drv_set_tim(struct ieee80211_local *local,
 263                               struct ieee80211_sta *sta, bool set)
 264 {
 265         int ret = 0;
 266         trace_drv_set_tim(local, sta, set);
 267         if (local->ops->set_tim)
 268                 ret = local->ops->set_tim(&local->hw, sta, set);
 269         trace_drv_return_int(local, ret);
 270         return ret;
 271 }
 272
 273 static inline int drv_set_key(struct ieee80211_local *local,
 274                               enum set_key_cmd cmd,
 275                               struct ieee80211_sub_if_data *sdata,
 276                               struct ieee80211_sta *sta,
 277                               struct ieee80211_key_conf *key)
 278 {
 279         int ret;
 280
 281         might_sleep();
 282
 283         sdata = get_bss_sdata(sdata);
 284         if (!check_sdata_in_driver(sdata))
 285                 return -EIO;
 286
 287         trace_drv_set_key(local, cmd, sdata, sta, key);
 288         ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key);
 289         trace_drv_return_int(local, ret);
 290         return ret;
 291 }
 292
 293 static inline void drv_update_tkip_key(struct ieee80211_local *local,
 294                                        struct ieee80211_sub_if_data *sdata,
 295                                        struct ieee80211_key_conf *conf,
 296                                        struct sta_info *sta, u32 iv32,
 297                                        u16 *phase1key)
 298 {
 299         struct ieee80211_sta *ista = NULL;
 300
 301         if (sta)
 302                 ista = &sta->sta;
 303
 304         sdata = get_bss_sdata(sdata);
 305         if (!check_sdata_in_driver(sdata))
 306                 return;
 307
 308         trace_drv_update_tkip_key(local, sdata, conf, ista, iv32);
 309         if (local->ops->update_tkip_key)
 310                 local->ops->update_tkip_key(&local->hw, &sdata->vif, conf,
 311                                             ista, iv32, phase1key);
 312         trace_drv_return_void(local);
 313 }
 314
 315 static inline int drv_hw_scan(struct ieee80211_local *local,
 316                               struct ieee80211_sub_if_data *sdata,
 317                               struct ieee80211_scan_request *req)
 318 {
 319         int ret;
 320
 321         might_sleep();
 322
 323         if (!check_sdata_in_driver(sdata))
 324                 return -EIO;
 325
 326         trace_drv_hw_scan(local, sdata);
 327         ret = local->ops->hw_scan(&local->hw, &sdata->vif, req);
 328         trace_drv_return_int(local, ret);
 329         return ret;
 330 }
 331
 332 static inline void drv_cancel_hw_scan(struct ieee80211_local *local,
 333                                       struct ieee80211_sub_if_data *sdata)
 334 {
 335         might_sleep();
 336
 337         if (!check_sdata_in_driver(sdata))
 338                 return;
 339
 340         trace_drv_cancel_hw_scan(local, sdata);
 341         local->ops->cancel_hw_scan(&local->hw, &sdata->vif);
 342         trace_drv_return_void(local);
 343 }
 344
 345 static inline int
 346 drv_sched_scan_start(struct ieee80211_local *local,
 347                      struct ieee80211_sub_if_data *sdata,
 348                      struct cfg80211_sched_scan_request *req,
 349                      struct ieee80211_scan_ies *ies)
 350 {
 351         int ret;
 352
 353         might_sleep();
 354
 355         if (!check_sdata_in_driver(sdata))
 356                 return -EIO;
 357
 358         trace_drv_sched_scan_start(local, sdata);
 359         ret = local->ops->sched_scan_start(&local->hw, &sdata->vif,
 360                                               req, ies);
 361         trace_drv_return_int(local, ret);
 362         return ret;
 363 }
 364
 365 static inline int drv_sched_scan_stop(struct ieee80211_local *local,
 366                                       struct ieee80211_sub_if_data *sdata)
 367 {
 368         int ret;
 369
 370         might_sleep();
 371
 372         if (!check_sdata_in_driver(sdata))
 373                 return -EIO;
 374
 375         trace_drv_sched_scan_stop(local, sdata);
 376         ret = local->ops->sched_scan_stop(&local->hw, &sdata->vif);
 377         trace_drv_return_int(local, ret);
 378
 379         return ret;
 380 }
 381
 382 static inline void drv_sw_scan_start(struct ieee80211_local *local)
 383 {
 384         might_sleep();
 385
 386         trace_drv_sw_scan_start(local);
 387         if (local->ops->sw_scan_start)
 388                 local->ops->sw_scan_start(&local->hw);
 389         trace_drv_return_void(local);
 390 }
 391
 392 static inline void drv_sw_scan_complete(struct ieee80211_local *local)
 393 {
 394         might_sleep();
 395
 396         trace_drv_sw_scan_complete(local);
 397         if (local->ops->sw_scan_complete)
 398                 local->ops->sw_scan_complete(&local->hw);
 399         trace_drv_return_void(local);
 400 }
 401
 402 static inline int drv_get_stats(struct ieee80211_local *local,
 403                                 struct ieee80211_low_level_stats *stats)
 404 {
 405         int ret = -EOPNOTSUPP;
 406
 407         might_sleep();
 408
 409         if (local->ops->get_stats)
 410                 ret = local->ops->get_stats(&local->hw, stats);
 411         trace_drv_get_stats(local, stats, ret);
 412
 413         return ret;
 414 }
 415
 416 static inline void drv_get_tkip_seq(struct ieee80211_local *local,
 417                                     u8 hw_key_idx, u32 *iv32, u16 *iv16)
 418 {
 419         if (local->ops->get_tkip_seq)
 420                 local->ops->get_tkip_seq(&local->hw, hw_key_idx, iv32, iv16);
 421         trace_drv_get_tkip_seq(local, hw_key_idx, iv32, iv16);
 422 }
 423
 424 static inline int drv_set_frag_threshold(struct ieee80211_local *local,
 425                                         u32 value)
 426 {
 427         int ret = 0;
 428
 429         might_sleep();
 430
 431         trace_drv_set_frag_threshold(local, value);
 432         if (local->ops->set_frag_threshold)
 433                 ret = local->ops->set_frag_threshold(&local->hw, value);
 434         trace_drv_return_int(local, ret);
 435         return ret;
 436 }
 437
 438 static inline int drv_set_rts_threshold(struct ieee80211_local *local,
 439                                         u32 value)
 440 {
 441         int ret = 0;
 442
 443         might_sleep();
 444
 445         trace_drv_set_rts_threshold(local, value);
 446         if (local->ops->set_rts_threshold)
 447                 ret = local->ops->set_rts_threshold(&local->hw, value);
 448         trace_drv_return_int(local, ret);
 449         return ret;
 450 }
 451
 452 static inline int drv_set_coverage_class(struct ieee80211_local *local,
 453                                          s16 value)
 454 {
 455         int ret = 0;
 456         might_sleep();
 457
 458         trace_drv_set_coverage_class(local, value);
 459         if (local->ops->set_coverage_class)
 460                 local->ops->set_coverage_class(&local->hw, value);
 461         else
 462                 ret = -EOPNOTSUPP;
 463
 464         trace_drv_return_int(local, ret);
 465         return ret;
 466 }
 467
 468 static inline void drv_sta_notify(struct ieee80211_local *local,
 469                                   struct ieee80211_sub_if_data *sdata,
 470                                   enum sta_notify_cmd cmd,
 471                                   struct ieee80211_sta *sta)
 472 {
 473         sdata = get_bss_sdata(sdata);
 474         if (!check_sdata_in_driver(sdata))
 475                 return;
 476
 477         trace_drv_sta_notify(local, sdata, cmd, sta);
 478         if (local->ops->sta_notify)
 479                 local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta);
 480         trace_drv_return_void(local);
 481 }
 482
 483 static inline int drv_sta_add(struct ieee80211_local *local,
 484                               struct ieee80211_sub_if_data *sdata,
 485                               struct ieee80211_sta *sta)
 486 {
 487         int ret = 0;
 488
 489         might_sleep();
 490
 491         sdata = get_bss_sdata(sdata);
 492         if (!check_sdata_in_driver(sdata))
 493                 return -EIO;
 494
 495         trace_drv_sta_add(local, sdata, sta);
 496         if (local->ops->sta_add)
 497                 ret = local->ops->sta_add(&local->hw, &sdata->vif, sta);
 498
 499         trace_drv_return_int(local, ret);
 500
 501         return ret;
 502 }
 503
 504 static inline void drv_sta_remove(struct ieee80211_local *local,
 505                                   struct ieee80211_sub_if_data *sdata,
 506                                   struct ieee80211_sta *sta)
 507 {
 508         might_sleep();
 509
 510         sdata = get_bss_sdata(sdata);
 511         if (!check_sdata_in_driver(sdata))
 512                 return;
 513
 514         trace_drv_sta_remove(local, sdata, sta);
 515         if (local->ops->sta_remove)
 516                 local->ops->sta_remove(&local->hw, &sdata->vif, sta);
 517
 518         trace_drv_return_void(local);
 519 }
 520
 521 #ifdef CONFIG_MAC80211_DEBUGFS
 522 static inline void drv_sta_add_debugfs(struct ieee80211_local *local,
 523                                        struct ieee80211_sub_if_data *sdata,
 524                                        struct ieee80211_sta *sta,
 525                                        struct dentry *dir)
 526 {
 527         might_sleep();
 528
 529         sdata = get_bss_sdata(sdata);
 530         if (!check_sdata_in_driver(sdata))
 531                 return;
 532
 533         if (local->ops->sta_add_debugfs)
 534                 local->ops->sta_add_debugfs(&local->hw, &sdata->vif,
 535                                             sta, dir);
 536 }
 537
 538 static inline void drv_sta_remove_debugfs(struct ieee80211_local *local,
 539                                           struct ieee80211_sub_if_data *sdata,
 540                                           struct ieee80211_sta *sta,
 541                                           struct dentry *dir)
 542 {
 543         might_sleep();
 544
 545         sdata = get_bss_sdata(sdata);
 546         check_sdata_in_driver(sdata);
 547
 548         if (local->ops->sta_remove_debugfs)
 549                 local->ops->sta_remove_debugfs(&local->hw, &sdata->vif,
 550                                                sta, dir);
 551 }
 552 #endif
 553
 554 static inline void drv_sta_pre_rcu_remove(struct ieee80211_local *local,
 555                                           struct ieee80211_sub_if_data *sdata,
 556                                           struct sta_info *sta)
 557 {
 558         might_sleep();
 559
 560         sdata = get_bss_sdata(sdata);
 561         if (!check_sdata_in_driver(sdata))
 562                 return;
 563
 564         trace_drv_sta_pre_rcu_remove(local, sdata, &sta->sta);
 565         if (local->ops->sta_pre_rcu_remove)
 566                 local->ops->sta_pre_rcu_remove(&local->hw, &sdata->vif,
 567                                                &sta->sta);
 568         trace_drv_return_void(local);
 569 }
 570
 571 static inline __must_check
 572 int drv_sta_state(struct ieee80211_local *local,
 573                   struct ieee80211_sub_if_data *sdata,
 574                   struct sta_info *sta,
 575                   enum ieee80211_sta_state old_state,
 576                   enum ieee80211_sta_state new_state)
 577 {
 578         int ret = 0;
 579
 580         might_sleep();
 581
 582         sdata = get_bss_sdata(sdata);
 583         if (!check_sdata_in_driver(sdata))
 584                 return -EIO;
 585
 586         trace_drv_sta_state(local, sdata, &sta->sta, old_state, new_state);
 587         if (local->ops->sta_state) {
 588                 ret = local->ops->sta_state(&local->hw, &sdata->vif, &sta->sta,
 589                                             old_state, new_state);
 590         } else if (old_state == IEEE80211_STA_AUTH &&
 591                    new_state == IEEE80211_STA_ASSOC) {
 592                 ret = drv_sta_add(local, sdata, &sta->sta);
 593                 if (ret == 0)
 594                         sta->uploaded = true;
 595         } else if (old_state == IEEE80211_STA_ASSOC &&
 596                    new_state == IEEE80211_STA_AUTH) {
 597                 drv_sta_remove(local, sdata, &sta->sta);
 598         }
 599         trace_drv_return_int(local, ret);
 600         return ret;
 601 }
 602
 603 static inline void drv_sta_rc_update(struct ieee80211_local *local,
 604                                      struct ieee80211_sub_if_data *sdata,
 605                                      struct ieee80211_sta *sta, u32 changed)
 606 {
 607         sdata = get_bss_sdata(sdata);
 608         if (!check_sdata_in_driver(sdata))
 609                 return;
 610
 611         WARN_ON(changed & IEEE80211_RC_SUPP_RATES_CHANGED &&
 612                 (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
 613                  sdata->vif.type != NL80211_IFTYPE_MESH_POINT));
 614
 615         trace_drv_sta_rc_update(local, sdata, sta, changed);
 616         if (local->ops->sta_rc_update)
 617                 local->ops->sta_rc_update(&local->hw, &sdata->vif,
 618                                           sta, changed);
 619
 620         trace_drv_return_void(local);
 621 }
 622
 623 static inline int drv_conf_tx(struct ieee80211_local *local,
 624                               struct ieee80211_sub_if_data *sdata, u16 ac,
 625                               const struct ieee80211_tx_queue_params *params)
 626 {
 627         int ret = -EOPNOTSUPP;
 628
 629         might_sleep();
 630
 631         if (!check_sdata_in_driver(sdata))
 632                 return -EIO;
 633
 634         if (WARN_ONCE(params->cw_min == 0 ||
 635                       params->cw_min > params->cw_max,
 636                       "%s: invalid CW_min/CW_max: %d/%d\n",
 637                       sdata->name, params->cw_min, params->cw_max))
 638                 return -EINVAL;
 639
 640         trace_drv_conf_tx(local, sdata, ac, params);
 641         if (local->ops->conf_tx)
 642                 ret = local->ops->conf_tx(&local->hw, &sdata->vif,
 643                                           ac, params);
 644         trace_drv_return_int(local, ret);
 645         return ret;
 646 }
 647
 648 static inline u64 drv_get_tsf(struct ieee80211_local *local,
 649                               struct ieee80211_sub_if_data *sdata)
 650 {
 651         u64 ret = -1ULL;
 652
 653         might_sleep();
 654
 655         if (!check_sdata_in_driver(sdata))
 656                 return ret;
 657
 658         trace_drv_get_tsf(local, sdata);
 659         if (local->ops->get_tsf)
 660                 ret = local->ops->get_tsf(&local->hw, &sdata->vif);
 661         trace_drv_return_u64(local, ret);
 662         return ret;
 663 }
 664
 665 static inline void drv_set_tsf(struct ieee80211_local *local,
 666                                struct ieee80211_sub_if_data *sdata,
 667                                u64 tsf)
 668 {
 669         might_sleep();
 670
 671         if (!check_sdata_in_driver(sdata))
 672                 return;
 673
 674         trace_drv_set_tsf(local, sdata, tsf);
 675         if (local->ops->set_tsf)
 676                 local->ops->set_tsf(&local->hw, &sdata->vif, tsf);
 677         trace_drv_return_void(local);
 678 }
 679
 680 static inline void drv_reset_tsf(struct ieee80211_local *local,
 681                                  struct ieee80211_sub_if_data *sdata)
 682 {
 683         might_sleep();
 684
 685         if (!check_sdata_in_driver(sdata))
 686                 return;
 687
 688         trace_drv_reset_tsf(local, sdata);
 689         if (local->ops->reset_tsf)
 690                 local->ops->reset_tsf(&local->hw, &sdata->vif);
 691         trace_drv_return_void(local);
 692 }
 693
 694 static inline int drv_tx_last_beacon(struct ieee80211_local *local)
 695 {
 696         int ret = 0; /* default unsupported op for less congestion */
 697
 698         might_sleep();
 699
 700         trace_drv_tx_last_beacon(local);
 701         if (local->ops->tx_last_beacon)
 702                 ret = local->ops->tx_last_beacon(&local->hw);
 703         trace_drv_return_int(local, ret);
 704         return ret;
 705 }
 706
 707 static inline int drv_ampdu_action(struct ieee80211_local *local,
 708                                    struct ieee80211_sub_if_data *sdata,
 709                                    enum ieee80211_ampdu_mlme_action action,
 710                                    struct ieee80211_sta *sta, u16 tid,
 711                                    u16 *ssn, u8 buf_size)
 712 {
 713         int ret = -EOPNOTSUPP;
 714
 715         might_sleep();
 716
 717         sdata = get_bss_sdata(sdata);
 718         if (!check_sdata_in_driver(sdata))
 719                 return -EIO;
 720
 721         trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, buf_size);
 722
 723         if (local->ops->ampdu_action)
 724                 ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
 725                                                sta, tid, ssn, buf_size);
 726
 727         trace_drv_return_int(local, ret);
 728
 729         return ret;
 730 }
 731
 732 static inline int drv_get_survey(struct ieee80211_local *local, int idx,
 733                                 struct survey_info *survey)
 734 {
 735         int ret = -EOPNOTSUPP;
 736
 737         trace_drv_get_survey(local, idx, survey);
 738
 739         if (local->ops->get_survey)
 740                 ret = local->ops->get_survey(&local->hw, idx, survey);
 741
 742         trace_drv_return_int(local, ret);
 743
 744         return ret;
 745 }
 746
 747 static inline void drv_rfkill_poll(struct ieee80211_local *local)
 748 {
 749         might_sleep();
 750
 751         if (local->ops->rfkill_poll)
 752                 local->ops->rfkill_poll(&local->hw);
 753 }
 754
 755 static inline void drv_flush(struct ieee80211_local *local,
 756                              struct ieee80211_sub_if_data *sdata,
 757                              u32 queues, bool drop)
 758 {
 759         struct ieee80211_vif *vif = sdata ? &sdata->vif : NULL;
 760
 761         might_sleep();
 762
 763         if (sdata && !check_sdata_in_driver(sdata))
 764                 return;
 765
 766         trace_drv_flush(local, queues, drop);
 767         if (local->ops->flush)
 768                 local->ops->flush(&local->hw, vif, queues, drop);
 769         trace_drv_return_void(local);
 770 }
 771
 772 static inline void drv_channel_switch(struct ieee80211_local *local,
 773                                       struct ieee80211_sub_if_data *sdata,
 774                                       struct ieee80211_channel_switch *ch_switch)
 775 {
 776         might_sleep();
 777
 778         trace_drv_channel_switch(local, sdata, ch_switch);
 779         local->ops->channel_switch(&local->hw, &sdata->vif, ch_switch);
 780         trace_drv_return_void(local);
 781 }
 782
 783
 784 static inline int drv_set_antenna(struct ieee80211_local *local,
 785                                   u32 tx_ant, u32 rx_ant)
 786 {
 787         int ret = -EOPNOTSUPP;
 788         might_sleep();
 789         if (local->ops->set_antenna)
 790                 ret = local->ops->set_antenna(&local->hw, tx_ant, rx_ant);
 791         trace_drv_set_antenna(local, tx_ant, rx_ant, ret);
 792         return ret;
 793 }
 794
 795 static inline int drv_get_antenna(struct ieee80211_local *local,
 796                                   u32 *tx_ant, u32 *rx_ant)
 797 {
 798         int ret = -EOPNOTSUPP;
 799         might_sleep();
 800         if (local->ops->get_antenna)
 801                 ret = local->ops->get_antenna(&local->hw, tx_ant, rx_ant);
 802         trace_drv_get_antenna(local, *tx_ant, *rx_ant, ret);
 803         return ret;
 804 }
 805
 806 static inline int drv_remain_on_channel(struct ieee80211_local *local,
 807                                         struct ieee80211_sub_if_data *sdata,
 808                                         struct ieee80211_channel *chan,
 809                                         unsigned int duration,
 810                                         enum ieee80211_roc_type type)
 811 {
 812         int ret;
 813
 814         might_sleep();
 815
 816         trace_drv_remain_on_channel(local, sdata, chan, duration, type);
 817         ret = local->ops->remain_on_channel(&local->hw, &sdata->vif,
 818                                             chan, duration, type);
 819         trace_drv_return_int(local, ret);
 820
 821         return ret;
 822 }
 823
 824 static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local)
 825 {
 826         int ret;
 827
 828         might_sleep();
 829
 830         trace_drv_cancel_remain_on_channel(local);
 831         ret = local->ops->cancel_remain_on_channel(&local->hw);
 832         trace_drv_return_int(local, ret);
 833
 834         return ret;
 835 }
 836
 837 static inline int drv_set_ringparam(struct ieee80211_local *local,
 838                                     u32 tx, u32 rx)
 839 {
 840         int ret = -ENOTSUPP;
 841
 842         might_sleep();
 843
 844         trace_drv_set_ringparam(local, tx, rx);
 845         if (local->ops->set_ringparam)
 846                 ret = local->ops->set_ringparam(&local->hw, tx, rx);
 847         trace_drv_return_int(local, ret);
 848
 849         return ret;
 850 }
 851
 852 static inline void drv_get_ringparam(struct ieee80211_local *local,
 853                                      u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
 854 {
 855         might_sleep();
 856
 857         trace_drv_get_ringparam(local, tx, tx_max, rx, rx_max);
 858         if (local->ops->get_ringparam)
 859                 local->ops->get_ringparam(&local->hw, tx, tx_max, rx, rx_max);
 860         trace_drv_return_void(local);
 861 }
 862
 863 static inline bool drv_tx_frames_pending(struct ieee80211_local *local)
 864 {
 865         bool ret = false;
 866
 867         might_sleep();
 868
 869         trace_drv_tx_frames_pending(local);
 870         if (local->ops->tx_frames_pending)
 871                 ret = local->ops->tx_frames_pending(&local->hw);
 872         trace_drv_return_bool(local, ret);
 873
 874         return ret;
 875 }
 876
 877 static inline int drv_set_bitrate_mask(struct ieee80211_local *local,
 878                                        struct ieee80211_sub_if_data *sdata,
 879                                        const struct cfg80211_bitrate_mask *mask)
 880 {
 881         int ret = -EOPNOTSUPP;
 882
 883         might_sleep();
 884
 885         if (!check_sdata_in_driver(sdata))
 886                 return -EIO;
 887
 888         trace_drv_set_bitrate_mask(local, sdata, mask);
 889         if (local->ops->set_bitrate_mask)
 890                 ret = local->ops->set_bitrate_mask(&local->hw,
 891                                                    &sdata->vif, mask);
 892         trace_drv_return_int(local, ret);
 893
 894         return ret;
 895 }
 896
 897 static inline void drv_set_rekey_data(struct ieee80211_local *local,
 898                                       struct ieee80211_sub_if_data *sdata,
 899                                       struct cfg80211_gtk_rekey_data *data)
 900 {
 901         if (!check_sdata_in_driver(sdata))
 902                 return;
 903
 904         trace_drv_set_rekey_data(local, sdata, data);
 905         if (local->ops->set_rekey_data)
 906                 local->ops->set_rekey_data(&local->hw, &sdata->vif, data);
 907         trace_drv_return_void(local);
 908 }
 909
 910 static inline void drv_rssi_callback(struct ieee80211_local *local,
 911                                      struct ieee80211_sub_if_data *sdata,
 912                                      const enum ieee80211_rssi_event event)
 913 {
 914         trace_drv_rssi_callback(local, sdata, event);
 915         if (local->ops->rssi_callback)
 916                 local->ops->rssi_callback(&local->hw, &sdata->vif, event);
 917         trace_drv_return_void(local);
 918 }
 919
 920 static inline void
 921 drv_release_buffered_frames(struct ieee80211_local *local,
 922                             struct sta_info *sta, u16 tids, int num_frames,
 923                             enum ieee80211_frame_release_type reason,
 924                             bool more_data)
 925 {
 926         trace_drv_release_buffered_frames(local, &sta->sta, tids, num_frames,
 927                                           reason, more_data);
 928         if (local->ops->release_buffered_frames)
 929                 local->ops->release_buffered_frames(&local->hw, &sta->sta, tids,
 930                                                     num_frames, reason,
 931                                                     more_data);
 932         trace_drv_return_void(local);
 933 }
 934
 935 static inline void
 936 drv_allow_buffered_frames(struct ieee80211_local *local,
 937                           struct sta_info *sta, u16 tids, int num_frames,
 938                           enum ieee80211_frame_release_type reason,
 939                           bool more_data)
 940 {
 941         trace_drv_allow_buffered_frames(local, &sta->sta, tids, num_frames,
 942                                         reason, more_data);
 943         if (local->ops->allow_buffered_frames)
 944                 local->ops->allow_buffered_frames(&local->hw, &sta->sta,
 945                                                   tids, num_frames, reason,
 946                                                   more_data);
 947         trace_drv_return_void(local);
 948 }
 949
 950 static inline int drv_get_rssi(struct ieee80211_local *local,
 951                                 struct ieee80211_sub_if_data *sdata,
 952                                 struct ieee80211_sta *sta,
 953                                 s8 *rssi_dbm)
 954 {
 955         int ret;
 956
 957         might_sleep();
 958
 959         ret = local->ops->get_rssi(&local->hw, &sdata->vif, sta, rssi_dbm);
 960         trace_drv_get_rssi(local, sta, *rssi_dbm, ret);
 961
 962         return ret;
 963 }
 964
 965 static inline void drv_mgd_prepare_tx(struct ieee80211_local *local,
 966                                       struct ieee80211_sub_if_data *sdata)
 967 {
 968         might_sleep();
 969
 970         if (!check_sdata_in_driver(sdata))
 971                 return;
 972         WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION);
 973
 974         trace_drv_mgd_prepare_tx(local, sdata);
 975         if (local->ops->mgd_prepare_tx)
 976                 local->ops->mgd_prepare_tx(&local->hw, &sdata->vif);
 977         trace_drv_return_void(local);
 978 }
 979
 980 static inline void
 981 drv_mgd_protect_tdls_discover(struct ieee80211_local *local,
 982                               struct ieee80211_sub_if_data *sdata)
 983 {
 984         might_sleep();
 985
 986         if (!check_sdata_in_driver(sdata))
 987                 return;
 988         WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION);
 989
 990         trace_drv_mgd_protect_tdls_discover(local, sdata);
 991         if (local->ops->mgd_protect_tdls_discover)
 992                 local->ops->mgd_protect_tdls_discover(&local->hw, &sdata->vif);
 993         trace_drv_return_void(local);
 994 }
 995
 996 static inline int drv_add_chanctx(struct ieee80211_local *local,
 997                                   struct ieee80211_chanctx *ctx)
 998 {
 999         int ret = -EOPNOTSUPP;
1000
1001         trace_drv_add_chanctx(local, ctx);
1002         if (local->ops->add_chanctx)
1003                 ret = local->ops->add_chanctx(&local->hw, &ctx->conf);
1004         trace_drv_return_int(local, ret);
1005         if (!ret)
1006                 ctx->driver_present = true;
1007
1008         return ret;
1009 }
1010
1011 static inline void drv_remove_chanctx(struct ieee80211_local *local,
1012                                       struct ieee80211_chanctx *ctx)
1013 {
1014         if (WARN_ON(!ctx->driver_present))
1015                 return;
1016
1017         trace_drv_remove_chanctx(local, ctx);
1018         if (local->ops->remove_chanctx)
1019                 local->ops->remove_chanctx(&local->hw, &ctx->conf);
1020         trace_drv_return_void(local);
1021         ctx->driver_present = false;
1022 }
1023
1024 static inline void drv_change_chanctx(struct ieee80211_local *local,
1025                                       struct ieee80211_chanctx *ctx,
1026                                       u32 changed)
1027 {
1028         trace_drv_change_chanctx(local, ctx, changed);
1029         if (local->ops->change_chanctx) {
1030                 WARN_ON_ONCE(!ctx->driver_present);
1031                 local->ops->change_chanctx(&local->hw, &ctx->conf, changed);
1032         }
1033         trace_drv_return_void(local);
1034 }
1035
1036 static inline int drv_assign_vif_chanctx(struct ieee80211_local *local,
1037                                          struct ieee80211_sub_if_data *sdata,
1038                                          struct ieee80211_chanctx *ctx)
1039 {
1040         int ret = 0;
1041
1042         if (!check_sdata_in_driver(sdata))
1043                 return -EIO;
1044
1045         trace_drv_assign_vif_chanctx(local, sdata, ctx);
1046         if (local->ops->assign_vif_chanctx) {
1047                 WARN_ON_ONCE(!ctx->driver_present);
1048                 ret = local->ops->assign_vif_chanctx(&local->hw,
1049                                                      &sdata->vif,
1050                                                      &ctx->conf);
1051         }
1052         trace_drv_return_int(local, ret);
1053
1054         return ret;
1055 }
1056
1057 static inline void drv_unassign_vif_chanctx(struct ieee80211_local *local,
1058                                             struct ieee80211_sub_if_data *sdata,
1059                                             struct ieee80211_chanctx *ctx)
1060 {
1061         if (!check_sdata_in_driver(sdata))
1062                 return;
1063
1064         trace_drv_unassign_vif_chanctx(local, sdata, ctx);
1065         if (local->ops->unassign_vif_chanctx) {
1066                 WARN_ON_ONCE(!ctx->driver_present);
1067                 local->ops->unassign_vif_chanctx(&local->hw,
1068                                                  &sdata->vif,
1069                                                  &ctx->conf);
1070         }
1071         trace_drv_return_void(local);
1072 }
1073
1074 static inline int
1075 drv_switch_vif_chanctx(struct ieee80211_local *local,
1076                        struct ieee80211_vif_chanctx_switch *vifs,
1077                        int n_vifs,
1078                        enum ieee80211_chanctx_switch_mode mode)
1079 {
1080         int ret = 0;
1081         int i;
1082
1083         if (!local->ops->switch_vif_chanctx)
1084                 return -EOPNOTSUPP;
1085
1086         for (i = 0; i < n_vifs; i++) {
1087                 struct ieee80211_chanctx *new_ctx =
1088                         container_of(vifs[i].new_ctx,
1089                                      struct ieee80211_chanctx,
1090                                      conf);
1091                 struct ieee80211_chanctx *old_ctx =
1092                         container_of(vifs[i].old_ctx,
1093                                      struct ieee80211_chanctx,
1094                                      conf);
1095
1096                 WARN_ON_ONCE(!old_ctx->driver_present);
1097                 WARN_ON_ONCE((mode == CHANCTX_SWMODE_SWAP_CONTEXTS &&
1098                               new_ctx->driver_present) ||
1099                              (mode == CHANCTX_SWMODE_REASSIGN_VIF &&
1100                               !new_ctx->driver_present));
1101         }
1102
1103         trace_drv_switch_vif_chanctx(local, vifs, n_vifs, mode);
1104         ret = local->ops->switch_vif_chanctx(&local->hw,
1105                                              vifs, n_vifs, mode);
1106         trace_drv_return_int(local, ret);
1107
1108         if (!ret && mode == CHANCTX_SWMODE_SWAP_CONTEXTS) {
1109                 for (i = 0; i < n_vifs; i++) {
1110                         struct ieee80211_chanctx *new_ctx =
1111                                 container_of(vifs[i].new_ctx,
1112                                              struct ieee80211_chanctx,
1113                                              conf);
1114                         struct ieee80211_chanctx *old_ctx =
1115                                 container_of(vifs[i].old_ctx,
1116                                              struct ieee80211_chanctx,
1117                                              conf);
1118
1119                         new_ctx->driver_present = true;
1120                         old_ctx->driver_present = false;
1121                 }
1122         }
1123
1124         return ret;
1125 }
1126
1127 static inline int drv_start_ap(struct ieee80211_local *local,
1128                                struct ieee80211_sub_if_data *sdata)
1129 {
1130         int ret = 0;
1131
1132         if (!check_sdata_in_driver(sdata))
1133                 return -EIO;
1134
1135         trace_drv_start_ap(local, sdata, &sdata->vif.bss_conf);
1136         if (local->ops->start_ap)
1137                 ret = local->ops->start_ap(&local->hw, &sdata->vif);
1138         trace_drv_return_int(local, ret);
1139         return ret;
1140 }
1141
1142 static inline void drv_stop_ap(struct ieee80211_local *local,
1143                                struct ieee80211_sub_if_data *sdata)
1144 {
1145         if (!check_sdata_in_driver(sdata))
1146                 return;
1147
1148         trace_drv_stop_ap(local, sdata);
1149         if (local->ops->stop_ap)
1150                 local->ops->stop_ap(&local->hw, &sdata->vif);
1151         trace_drv_return_void(local);
1152 }
1153
1154 static inline void drv_restart_complete(struct ieee80211_local *local)
1155 {
1156         might_sleep();
1157
1158         trace_drv_restart_complete(local);
1159         if (local->ops->restart_complete)
1160                 local->ops->restart_complete(&local->hw);
1161         trace_drv_return_void(local);
1162 }
1163
1164 static inline void
1165 drv_set_default_unicast_key(struct ieee80211_local *local,
1166                             struct ieee80211_sub_if_data *sdata,
1167                             int key_idx)
1168 {
1169         if (!check_sdata_in_driver(sdata))
1170                 return;
1171
1172         WARN_ON_ONCE(key_idx < -1 || key_idx > 3);
1173
1174         trace_drv_set_default_unicast_key(local, sdata, key_idx);
1175         if (local->ops->set_default_unicast_key)
1176                 local->ops->set_default_unicast_key(&local->hw, &sdata->vif,
1177                                                     key_idx);
1178         trace_drv_return_void(local);
1179 }
1180
1181 #if IS_ENABLED(CONFIG_IPV6)
1182 static inline void drv_ipv6_addr_change(struct ieee80211_local *local,
1183                                         struct ieee80211_sub_if_data *sdata,
1184                                         struct inet6_dev *idev)
1185 {
1186         trace_drv_ipv6_addr_change(local, sdata);
1187         if (local->ops->ipv6_addr_change)
1188                 local->ops->ipv6_addr_change(&local->hw, &sdata->vif, idev);
1189         trace_drv_return_void(local);
1190 }
1191 #endif
1192
1193 static inline void
1194 drv_channel_switch_beacon(struct ieee80211_sub_if_data *sdata,
1195                           struct cfg80211_chan_def *chandef)
1196 {
1197         struct ieee80211_local *local = sdata->local;
1198
1199         if (local->ops->channel_switch_beacon) {
1200                 trace_drv_channel_switch_beacon(local, sdata, chandef);
1201                 local->ops->channel_switch_beacon(&local->hw, &sdata->vif,
1202                                                   chandef);
1203         }
1204 }
1205
1206 static inline int
1207 drv_pre_channel_switch(struct ieee80211_sub_if_data *sdata,
1208                        struct ieee80211_channel_switch *ch_switch)
1209 {
1210         struct ieee80211_local *local = sdata->local;
1211         int ret = 0;
1212
1213         if (!check_sdata_in_driver(sdata))
1214                 return -EIO;
1215
1216         trace_drv_pre_channel_switch(local, sdata, ch_switch);
1217         if (local->ops->pre_channel_switch)
1218                 ret = local->ops->pre_channel_switch(&local->hw, &sdata->vif,
1219                                                      ch_switch);
1220         trace_drv_return_int(local, ret);
1221         return ret;
1222 }
1223
1224 static inline int
1225 drv_post_channel_switch(struct ieee80211_sub_if_data *sdata)
1226 {
1227         struct ieee80211_local *local = sdata->local;
1228         int ret = 0;
1229
1230         if (!check_sdata_in_driver(sdata))
1231                 return -EIO;
1232
1233         trace_drv_post_channel_switch(local, sdata);
1234         if (local->ops->post_channel_switch)
1235                 ret = local->ops->post_channel_switch(&local->hw, &sdata->vif);
1236         trace_drv_return_int(local, ret);
1237         return ret;
1238 }
1239
1240 static inline int drv_join_ibss(struct ieee80211_local *local,
1241                                 struct ieee80211_sub_if_data *sdata)
1242 {
1243         int ret = 0;
1244
1245         might_sleep();
1246         if (!check_sdata_in_driver(sdata))
1247                 return -EIO;
1248
1249         trace_drv_join_ibss(local, sdata, &sdata->vif.bss_conf);
1250         if (local->ops->join_ibss)
1251                 ret = local->ops->join_ibss(&local->hw, &sdata->vif);
1252         trace_drv_return_int(local, ret);
1253         return ret;
1254 }
1255
1256 static inline void drv_leave_ibss(struct ieee80211_local *local,
1257                                   struct ieee80211_sub_if_data *sdata)
1258 {
1259         might_sleep();
1260         if (!check_sdata_in_driver(sdata))
1261                 return;
1262
1263         trace_drv_leave_ibss(local, sdata);
1264         if (local->ops->leave_ibss)
1265                 local->ops->leave_ibss(&local->hw, &sdata->vif);
1266         trace_drv_return_void(local);
1267 }
1268
1269 static inline u32 drv_get_expected_throughput(struct ieee80211_local *local,
1270                                               struct ieee80211_sta *sta)
1271 {
1272         u32 ret = 0;
1273
1274         trace_drv_get_expected_throughput(sta);
1275         if (local->ops->get_expected_throughput)
1276                 ret = local->ops->get_expected_throughput(sta);
1277         trace_drv_return_u32(local, ret);
1278
1279         return ret;
1280 }
1281
1282 #endif /* __MAC80211_DRIVER_OPS */