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                          sdata->vif.type != NL80211_IFTYPE_OCB))
 219                 return;
 220
 221         if (WARN_ON_ONCE(sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE ||
 222                          sdata->vif.type == NL80211_IFTYPE_MONITOR))
 223                 return;
 224
 225         if (!check_sdata_in_driver(sdata))
 226                 return;
 227
 228         trace_drv_bss_info_changed(local, sdata, info, changed);
 229         if (local->ops->bss_info_changed)
 230                 local->ops->bss_info_changed(&local->hw, &sdata->vif, info, changed);
 231         trace_drv_return_void(local);
 232 }
 233
 234 static inline u64 drv_prepare_multicast(struct ieee80211_local *local,
 235                                         struct netdev_hw_addr_list *mc_list)
 236 {
 237         u64 ret = 0;
 238
 239         trace_drv_prepare_multicast(local, mc_list->count);
 240
 241         if (local->ops->prepare_multicast)
 242                 ret = local->ops->prepare_multicast(&local->hw, mc_list);
 243
 244         trace_drv_return_u64(local, ret);
 245
 246         return ret;
 247 }
 248
 249 static inline void drv_configure_filter(struct ieee80211_local *local,
 250                                         unsigned int changed_flags,
 251                                         unsigned int *total_flags,
 252                                         u64 multicast)
 253 {
 254         might_sleep();
 255
 256         trace_drv_configure_filter(local, changed_flags, total_flags,
 257                                    multicast);
 258         local->ops->configure_filter(&local->hw, changed_flags, total_flags,
 259                                      multicast);
 260         trace_drv_return_void(local);
 261 }
 262
 263 static inline int drv_set_tim(struct ieee80211_local *local,
 264                               struct ieee80211_sta *sta, bool set)
 265 {
 266         int ret = 0;
 267         trace_drv_set_tim(local, sta, set);
 268         if (local->ops->set_tim)
 269                 ret = local->ops->set_tim(&local->hw, sta, set);
 270         trace_drv_return_int(local, ret);
 271         return ret;
 272 }
 273
 274 static inline int drv_set_key(struct ieee80211_local *local,
 275                               enum set_key_cmd cmd,
 276                               struct ieee80211_sub_if_data *sdata,
 277                               struct ieee80211_sta *sta,
 278                               struct ieee80211_key_conf *key)
 279 {
 280         int ret;
 281
 282         might_sleep();
 283
 284         sdata = get_bss_sdata(sdata);
 285         if (!check_sdata_in_driver(sdata))
 286                 return -EIO;
 287
 288         trace_drv_set_key(local, cmd, sdata, sta, key);
 289         ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key);
 290         trace_drv_return_int(local, ret);
 291         return ret;
 292 }
 293
 294 static inline void drv_update_tkip_key(struct ieee80211_local *local,
 295                                        struct ieee80211_sub_if_data *sdata,
 296                                        struct ieee80211_key_conf *conf,
 297                                        struct sta_info *sta, u32 iv32,
 298                                        u16 *phase1key)
 299 {
 300         struct ieee80211_sta *ista = NULL;
 301
 302         if (sta)
 303                 ista = &sta->sta;
 304
 305         sdata = get_bss_sdata(sdata);
 306         if (!check_sdata_in_driver(sdata))
 307                 return;
 308
 309         trace_drv_update_tkip_key(local, sdata, conf, ista, iv32);
 310         if (local->ops->update_tkip_key)
 311                 local->ops->update_tkip_key(&local->hw, &sdata->vif, conf,
 312                                             ista, iv32, phase1key);
 313         trace_drv_return_void(local);
 314 }
 315
 316 static inline int drv_hw_scan(struct ieee80211_local *local,
 317                               struct ieee80211_sub_if_data *sdata,
 318                               struct ieee80211_scan_request *req)
 319 {
 320         int ret;
 321
 322         might_sleep();
 323
 324         if (!check_sdata_in_driver(sdata))
 325                 return -EIO;
 326
 327         trace_drv_hw_scan(local, sdata);
 328         ret = local->ops->hw_scan(&local->hw, &sdata->vif, req);
 329         trace_drv_return_int(local, ret);
 330         return ret;
 331 }
 332
 333 static inline void drv_cancel_hw_scan(struct ieee80211_local *local,
 334                                       struct ieee80211_sub_if_data *sdata)
 335 {
 336         might_sleep();
 337
 338         if (!check_sdata_in_driver(sdata))
 339                 return;
 340
 341         trace_drv_cancel_hw_scan(local, sdata);
 342         local->ops->cancel_hw_scan(&local->hw, &sdata->vif);
 343         trace_drv_return_void(local);
 344 }
 345
 346 static inline int
 347 drv_sched_scan_start(struct ieee80211_local *local,
 348                      struct ieee80211_sub_if_data *sdata,
 349                      struct cfg80211_sched_scan_request *req,
 350                      struct ieee80211_scan_ies *ies)
 351 {
 352         int ret;
 353
 354         might_sleep();
 355
 356         if (!check_sdata_in_driver(sdata))
 357                 return -EIO;
 358
 359         trace_drv_sched_scan_start(local, sdata);
 360         ret = local->ops->sched_scan_start(&local->hw, &sdata->vif,
 361                                               req, ies);
 362         trace_drv_return_int(local, ret);
 363         return ret;
 364 }
 365
 366 static inline int drv_sched_scan_stop(struct ieee80211_local *local,
 367                                       struct ieee80211_sub_if_data *sdata)
 368 {
 369         int ret;
 370
 371         might_sleep();
 372
 373         if (!check_sdata_in_driver(sdata))
 374                 return -EIO;
 375
 376         trace_drv_sched_scan_stop(local, sdata);
 377         ret = local->ops->sched_scan_stop(&local->hw, &sdata->vif);
 378         trace_drv_return_int(local, ret);
 379
 380         return ret;
 381 }
 382
 383 static inline void drv_sw_scan_start(struct ieee80211_local *local)
 384 {
 385         might_sleep();
 386
 387         trace_drv_sw_scan_start(local);
 388         if (local->ops->sw_scan_start)
 389                 local->ops->sw_scan_start(&local->hw);
 390         trace_drv_return_void(local);
 391 }
 392
 393 static inline void drv_sw_scan_complete(struct ieee80211_local *local)
 394 {
 395         might_sleep();
 396
 397         trace_drv_sw_scan_complete(local);
 398         if (local->ops->sw_scan_complete)
 399                 local->ops->sw_scan_complete(&local->hw);
 400         trace_drv_return_void(local);
 401 }
 402
 403 static inline int drv_get_stats(struct ieee80211_local *local,
 404                                 struct ieee80211_low_level_stats *stats)
 405 {
 406         int ret = -EOPNOTSUPP;
 407
 408         might_sleep();
 409
 410         if (local->ops->get_stats)
 411                 ret = local->ops->get_stats(&local->hw, stats);
 412         trace_drv_get_stats(local, stats, ret);
 413
 414         return ret;
 415 }
 416
 417 static inline void drv_get_tkip_seq(struct ieee80211_local *local,
 418                                     u8 hw_key_idx, u32 *iv32, u16 *iv16)
 419 {
 420         if (local->ops->get_tkip_seq)
 421                 local->ops->get_tkip_seq(&local->hw, hw_key_idx, iv32, iv16);
 422         trace_drv_get_tkip_seq(local, hw_key_idx, iv32, iv16);
 423 }
 424
 425 static inline int drv_set_frag_threshold(struct ieee80211_local *local,
 426                                         u32 value)
 427 {
 428         int ret = 0;
 429
 430         might_sleep();
 431
 432         trace_drv_set_frag_threshold(local, value);
 433         if (local->ops->set_frag_threshold)
 434                 ret = local->ops->set_frag_threshold(&local->hw, value);
 435         trace_drv_return_int(local, ret);
 436         return ret;
 437 }
 438
 439 static inline int drv_set_rts_threshold(struct ieee80211_local *local,
 440                                         u32 value)
 441 {
 442         int ret = 0;
 443
 444         might_sleep();
 445
 446         trace_drv_set_rts_threshold(local, value);
 447         if (local->ops->set_rts_threshold)
 448                 ret = local->ops->set_rts_threshold(&local->hw, value);
 449         trace_drv_return_int(local, ret);
 450         return ret;
 451 }
 452
 453 static inline int drv_set_coverage_class(struct ieee80211_local *local,
 454                                          s16 value)
 455 {
 456         int ret = 0;
 457         might_sleep();
 458
 459         trace_drv_set_coverage_class(local, value);
 460         if (local->ops->set_coverage_class)
 461                 local->ops->set_coverage_class(&local->hw, value);
 462         else
 463                 ret = -EOPNOTSUPP;
 464
 465         trace_drv_return_int(local, ret);
 466         return ret;
 467 }
 468
 469 static inline void drv_sta_notify(struct ieee80211_local *local,
 470                                   struct ieee80211_sub_if_data *sdata,
 471                                   enum sta_notify_cmd cmd,
 472                                   struct ieee80211_sta *sta)
 473 {
 474         sdata = get_bss_sdata(sdata);
 475         if (!check_sdata_in_driver(sdata))
 476                 return;
 477
 478         trace_drv_sta_notify(local, sdata, cmd, sta);
 479         if (local->ops->sta_notify)
 480                 local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta);
 481         trace_drv_return_void(local);
 482 }
 483
 484 static inline int drv_sta_add(struct ieee80211_local *local,
 485                               struct ieee80211_sub_if_data *sdata,
 486                               struct ieee80211_sta *sta)
 487 {
 488         int ret = 0;
 489
 490         might_sleep();
 491
 492         sdata = get_bss_sdata(sdata);
 493         if (!check_sdata_in_driver(sdata))
 494                 return -EIO;
 495
 496         trace_drv_sta_add(local, sdata, sta);
 497         if (local->ops->sta_add)
 498                 ret = local->ops->sta_add(&local->hw, &sdata->vif, sta);
 499
 500         trace_drv_return_int(local, ret);
 501
 502         return ret;
 503 }
 504
 505 static inline void drv_sta_remove(struct ieee80211_local *local,
 506                                   struct ieee80211_sub_if_data *sdata,
 507                                   struct ieee80211_sta *sta)
 508 {
 509         might_sleep();
 510
 511         sdata = get_bss_sdata(sdata);
 512         if (!check_sdata_in_driver(sdata))
 513                 return;
 514
 515         trace_drv_sta_remove(local, sdata, sta);
 516         if (local->ops->sta_remove)
 517                 local->ops->sta_remove(&local->hw, &sdata->vif, sta);
 518
 519         trace_drv_return_void(local);
 520 }
 521
 522 #ifdef CONFIG_MAC80211_DEBUGFS
 523 static inline void drv_sta_add_debugfs(struct ieee80211_local *local,
 524                                        struct ieee80211_sub_if_data *sdata,
 525                                        struct ieee80211_sta *sta,
 526                                        struct dentry *dir)
 527 {
 528         might_sleep();
 529
 530         sdata = get_bss_sdata(sdata);
 531         if (!check_sdata_in_driver(sdata))
 532                 return;
 533
 534         if (local->ops->sta_add_debugfs)
 535                 local->ops->sta_add_debugfs(&local->hw, &sdata->vif,
 536                                             sta, dir);
 537 }
 538
 539 static inline void drv_sta_remove_debugfs(struct ieee80211_local *local,
 540                                           struct ieee80211_sub_if_data *sdata,
 541                                           struct ieee80211_sta *sta,
 542                                           struct dentry *dir)
 543 {
 544         might_sleep();
 545
 546         sdata = get_bss_sdata(sdata);
 547         check_sdata_in_driver(sdata);
 548
 549         if (local->ops->sta_remove_debugfs)
 550                 local->ops->sta_remove_debugfs(&local->hw, &sdata->vif,
 551                                                sta, dir);
 552 }
 553 #endif
 554
 555 static inline void drv_sta_pre_rcu_remove(struct ieee80211_local *local,
 556                                           struct ieee80211_sub_if_data *sdata,
 557                                           struct sta_info *sta)
 558 {
 559         might_sleep();
 560
 561         sdata = get_bss_sdata(sdata);
 562         if (!check_sdata_in_driver(sdata))
 563                 return;
 564
 565         trace_drv_sta_pre_rcu_remove(local, sdata, &sta->sta);
 566         if (local->ops->sta_pre_rcu_remove)
 567                 local->ops->sta_pre_rcu_remove(&local->hw, &sdata->vif,
 568                                                &sta->sta);
 569         trace_drv_return_void(local);
 570 }
 571
 572 static inline __must_check
 573 int drv_sta_state(struct ieee80211_local *local,
 574                   struct ieee80211_sub_if_data *sdata,
 575                   struct sta_info *sta,
 576                   enum ieee80211_sta_state old_state,
 577                   enum ieee80211_sta_state new_state)
 578 {
 579         int ret = 0;
 580
 581         might_sleep();
 582
 583         sdata = get_bss_sdata(sdata);
 584         if (!check_sdata_in_driver(sdata))
 585                 return -EIO;
 586
 587         trace_drv_sta_state(local, sdata, &sta->sta, old_state, new_state);
 588         if (local->ops->sta_state) {
 589                 ret = local->ops->sta_state(&local->hw, &sdata->vif, &sta->sta,
 590                                             old_state, new_state);
 591         } else if (old_state == IEEE80211_STA_AUTH &&
 592                    new_state == IEEE80211_STA_ASSOC) {
 593                 ret = drv_sta_add(local, sdata, &sta->sta);
 594                 if (ret == 0)
 595                         sta->uploaded = true;
 596         } else if (old_state == IEEE80211_STA_ASSOC &&
 597                    new_state == IEEE80211_STA_AUTH) {
 598                 drv_sta_remove(local, sdata, &sta->sta);
 599         }
 600         trace_drv_return_int(local, ret);
 601         return ret;
 602 }
 603
 604 static inline void drv_sta_rc_update(struct ieee80211_local *local,
 605                                      struct ieee80211_sub_if_data *sdata,
 606                                      struct ieee80211_sta *sta, u32 changed)
 607 {
 608         sdata = get_bss_sdata(sdata);
 609         if (!check_sdata_in_driver(sdata))
 610                 return;
 611
 612         WARN_ON(changed & IEEE80211_RC_SUPP_RATES_CHANGED &&
 613                 (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
 614                  sdata->vif.type != NL80211_IFTYPE_MESH_POINT));
 615
 616         trace_drv_sta_rc_update(local, sdata, sta, changed);
 617         if (local->ops->sta_rc_update)
 618                 local->ops->sta_rc_update(&local->hw, &sdata->vif,
 619                                           sta, changed);
 620
 621         trace_drv_return_void(local);
 622 }
 623
 624 static inline int drv_conf_tx(struct ieee80211_local *local,
 625                               struct ieee80211_sub_if_data *sdata, u16 ac,
 626                               const struct ieee80211_tx_queue_params *params)
 627 {
 628         int ret = -EOPNOTSUPP;
 629
 630         might_sleep();
 631
 632         if (!check_sdata_in_driver(sdata))
 633                 return -EIO;
 634
 635         if (WARN_ONCE(params->cw_min == 0 ||
 636                       params->cw_min > params->cw_max,
 637                       "%s: invalid CW_min/CW_max: %d/%d\n",
 638                       sdata->name, params->cw_min, params->cw_max))
 639                 return -EINVAL;
 640
 641         trace_drv_conf_tx(local, sdata, ac, params);
 642         if (local->ops->conf_tx)
 643                 ret = local->ops->conf_tx(&local->hw, &sdata->vif,
 644                                           ac, params);
 645         trace_drv_return_int(local, ret);
 646         return ret;
 647 }
 648
 649 static inline u64 drv_get_tsf(struct ieee80211_local *local,
 650                               struct ieee80211_sub_if_data *sdata)
 651 {
 652         u64 ret = -1ULL;
 653
 654         might_sleep();
 655
 656         if (!check_sdata_in_driver(sdata))
 657                 return ret;
 658
 659         trace_drv_get_tsf(local, sdata);
 660         if (local->ops->get_tsf)
 661                 ret = local->ops->get_tsf(&local->hw, &sdata->vif);
 662         trace_drv_return_u64(local, ret);
 663         return ret;
 664 }
 665
 666 static inline void drv_set_tsf(struct ieee80211_local *local,
 667                                struct ieee80211_sub_if_data *sdata,
 668                                u64 tsf)
 669 {
 670         might_sleep();
 671
 672         if (!check_sdata_in_driver(sdata))
 673                 return;
 674
 675         trace_drv_set_tsf(local, sdata, tsf);
 676         if (local->ops->set_tsf)
 677                 local->ops->set_tsf(&local->hw, &sdata->vif, tsf);
 678         trace_drv_return_void(local);
 679 }
 680
 681 static inline void drv_reset_tsf(struct ieee80211_local *local,
 682                                  struct ieee80211_sub_if_data *sdata)
 683 {
 684         might_sleep();
 685
 686         if (!check_sdata_in_driver(sdata))
 687                 return;
 688
 689         trace_drv_reset_tsf(local, sdata);
 690         if (local->ops->reset_tsf)
 691                 local->ops->reset_tsf(&local->hw, &sdata->vif);
 692         trace_drv_return_void(local);
 693 }
 694
 695 static inline int drv_tx_last_beacon(struct ieee80211_local *local)
 696 {
 697         int ret = 0; /* default unsupported op for less congestion */
 698
 699         might_sleep();
 700
 701         trace_drv_tx_last_beacon(local);
 702         if (local->ops->tx_last_beacon)
 703                 ret = local->ops->tx_last_beacon(&local->hw);
 704         trace_drv_return_int(local, ret);
 705         return ret;
 706 }
 707
 708 static inline int drv_ampdu_action(struct ieee80211_local *local,
 709                                    struct ieee80211_sub_if_data *sdata,
 710                                    enum ieee80211_ampdu_mlme_action action,
 711                                    struct ieee80211_sta *sta, u16 tid,
 712                                    u16 *ssn, u8 buf_size)
 713 {
 714         int ret = -EOPNOTSUPP;
 715
 716         might_sleep();
 717
 718         sdata = get_bss_sdata(sdata);
 719         if (!check_sdata_in_driver(sdata))
 720                 return -EIO;
 721
 722         trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, buf_size);
 723
 724         if (local->ops->ampdu_action)
 725                 ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
 726                                                sta, tid, ssn, buf_size);
 727
 728         trace_drv_return_int(local, ret);
 729
 730         return ret;
 731 }
 732
 733 static inline int drv_get_survey(struct ieee80211_local *local, int idx,
 734                                 struct survey_info *survey)
 735 {
 736         int ret = -EOPNOTSUPP;
 737
 738         trace_drv_get_survey(local, idx, survey);
 739
 740         if (local->ops->get_survey)
 741                 ret = local->ops->get_survey(&local->hw, idx, survey);
 742
 743         trace_drv_return_int(local, ret);
 744
 745         return ret;
 746 }
 747
 748 static inline void drv_rfkill_poll(struct ieee80211_local *local)
 749 {
 750         might_sleep();
 751
 752         if (local->ops->rfkill_poll)
 753                 local->ops->rfkill_poll(&local->hw);
 754 }
 755
 756 static inline void drv_flush(struct ieee80211_local *local,
 757                              struct ieee80211_sub_if_data *sdata,
 758                              u32 queues, bool drop)
 759 {
 760         struct ieee80211_vif *vif = sdata ? &sdata->vif : NULL;
 761
 762         might_sleep();
 763
 764         if (sdata && !check_sdata_in_driver(sdata))
 765                 return;
 766
 767         trace_drv_flush(local, queues, drop);
 768         if (local->ops->flush)
 769                 local->ops->flush(&local->hw, vif, queues, drop);
 770         trace_drv_return_void(local);
 771 }
 772
 773 static inline void drv_channel_switch(struct ieee80211_local *local,
 774                                       struct ieee80211_sub_if_data *sdata,
 775                                       struct ieee80211_channel_switch *ch_switch)
 776 {
 777         might_sleep();
 778
 779         trace_drv_channel_switch(local, sdata, ch_switch);
 780         local->ops->channel_switch(&local->hw, &sdata->vif, ch_switch);
 781         trace_drv_return_void(local);
 782 }
 783
 784
 785 static inline int drv_set_antenna(struct ieee80211_local *local,
 786                                   u32 tx_ant, u32 rx_ant)
 787 {
 788         int ret = -EOPNOTSUPP;
 789         might_sleep();
 790         if (local->ops->set_antenna)
 791                 ret = local->ops->set_antenna(&local->hw, tx_ant, rx_ant);
 792         trace_drv_set_antenna(local, tx_ant, rx_ant, ret);
 793         return ret;
 794 }
 795
 796 static inline int drv_get_antenna(struct ieee80211_local *local,
 797                                   u32 *tx_ant, u32 *rx_ant)
 798 {
 799         int ret = -EOPNOTSUPP;
 800         might_sleep();
 801         if (local->ops->get_antenna)
 802                 ret = local->ops->get_antenna(&local->hw, tx_ant, rx_ant);
 803         trace_drv_get_antenna(local, *tx_ant, *rx_ant, ret);
 804         return ret;
 805 }
 806
 807 static inline int drv_remain_on_channel(struct ieee80211_local *local,
 808                                         struct ieee80211_sub_if_data *sdata,
 809                                         struct ieee80211_channel *chan,
 810                                         unsigned int duration,
 811                                         enum ieee80211_roc_type type)
 812 {
 813         int ret;
 814
 815         might_sleep();
 816
 817         trace_drv_remain_on_channel(local, sdata, chan, duration, type);
 818         ret = local->ops->remain_on_channel(&local->hw, &sdata->vif,
 819                                             chan, duration, type);
 820         trace_drv_return_int(local, ret);
 821
 822         return ret;
 823 }
 824
 825 static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local)
 826 {
 827         int ret;
 828
 829         might_sleep();
 830
 831         trace_drv_cancel_remain_on_channel(local);
 832         ret = local->ops->cancel_remain_on_channel(&local->hw);
 833         trace_drv_return_int(local, ret);
 834
 835         return ret;
 836 }
 837
 838 static inline int drv_set_ringparam(struct ieee80211_local *local,
 839                                     u32 tx, u32 rx)
 840 {
 841         int ret = -ENOTSUPP;
 842
 843         might_sleep();
 844
 845         trace_drv_set_ringparam(local, tx, rx);
 846         if (local->ops->set_ringparam)
 847                 ret = local->ops->set_ringparam(&local->hw, tx, rx);
 848         trace_drv_return_int(local, ret);
 849
 850         return ret;
 851 }
 852
 853 static inline void drv_get_ringparam(struct ieee80211_local *local,
 854                                      u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
 855 {
 856         might_sleep();
 857
 858         trace_drv_get_ringparam(local, tx, tx_max, rx, rx_max);
 859         if (local->ops->get_ringparam)
 860                 local->ops->get_ringparam(&local->hw, tx, tx_max, rx, rx_max);
 861         trace_drv_return_void(local);
 862 }
 863
 864 static inline bool drv_tx_frames_pending(struct ieee80211_local *local)
 865 {
 866         bool ret = false;
 867
 868         might_sleep();
 869
 870         trace_drv_tx_frames_pending(local);
 871         if (local->ops->tx_frames_pending)
 872                 ret = local->ops->tx_frames_pending(&local->hw);
 873         trace_drv_return_bool(local, ret);
 874
 875         return ret;
 876 }
 877
 878 static inline int drv_set_bitrate_mask(struct ieee80211_local *local,
 879                                        struct ieee80211_sub_if_data *sdata,
 880                                        const struct cfg80211_bitrate_mask *mask)
 881 {
 882         int ret = -EOPNOTSUPP;
 883
 884         might_sleep();
 885
 886         if (!check_sdata_in_driver(sdata))
 887                 return -EIO;
 888
 889         trace_drv_set_bitrate_mask(local, sdata, mask);
 890         if (local->ops->set_bitrate_mask)
 891                 ret = local->ops->set_bitrate_mask(&local->hw,
 892                                                    &sdata->vif, mask);
 893         trace_drv_return_int(local, ret);
 894
 895         return ret;
 896 }
 897
 898 static inline void drv_set_rekey_data(struct ieee80211_local *local,
 899                                       struct ieee80211_sub_if_data *sdata,
 900                                       struct cfg80211_gtk_rekey_data *data)
 901 {
 902         if (!check_sdata_in_driver(sdata))
 903                 return;
 904
 905         trace_drv_set_rekey_data(local, sdata, data);
 906         if (local->ops->set_rekey_data)
 907                 local->ops->set_rekey_data(&local->hw, &sdata->vif, data);
 908         trace_drv_return_void(local);
 909 }
 910
 911 static inline void drv_rssi_callback(struct ieee80211_local *local,
 912                                      struct ieee80211_sub_if_data *sdata,
 913                                      const enum ieee80211_rssi_event event)
 914 {
 915         trace_drv_rssi_callback(local, sdata, event);
 916         if (local->ops->rssi_callback)
 917                 local->ops->rssi_callback(&local->hw, &sdata->vif, event);
 918         trace_drv_return_void(local);
 919 }
 920
 921 static inline void
 922 drv_release_buffered_frames(struct ieee80211_local *local,
 923                             struct sta_info *sta, u16 tids, int num_frames,
 924                             enum ieee80211_frame_release_type reason,
 925                             bool more_data)
 926 {
 927         trace_drv_release_buffered_frames(local, &sta->sta, tids, num_frames,
 928                                           reason, more_data);
 929         if (local->ops->release_buffered_frames)
 930                 local->ops->release_buffered_frames(&local->hw, &sta->sta, tids,
 931                                                     num_frames, reason,
 932                                                     more_data);
 933         trace_drv_return_void(local);
 934 }
 935
 936 static inline void
 937 drv_allow_buffered_frames(struct ieee80211_local *local,
 938                           struct sta_info *sta, u16 tids, int num_frames,
 939                           enum ieee80211_frame_release_type reason,
 940                           bool more_data)
 941 {
 942         trace_drv_allow_buffered_frames(local, &sta->sta, tids, num_frames,
 943                                         reason, more_data);
 944         if (local->ops->allow_buffered_frames)
 945                 local->ops->allow_buffered_frames(&local->hw, &sta->sta,
 946                                                   tids, num_frames, reason,
 947                                                   more_data);
 948         trace_drv_return_void(local);
 949 }
 950
 951 static inline int drv_get_rssi(struct ieee80211_local *local,
 952                                 struct ieee80211_sub_if_data *sdata,
 953                                 struct ieee80211_sta *sta,
 954                                 s8 *rssi_dbm)
 955 {
 956         int ret;
 957
 958         might_sleep();
 959
 960         ret = local->ops->get_rssi(&local->hw, &sdata->vif, sta, rssi_dbm);
 961         trace_drv_get_rssi(local, sta, *rssi_dbm, ret);
 962
 963         return ret;
 964 }
 965
 966 static inline void drv_mgd_prepare_tx(struct ieee80211_local *local,
 967                                       struct ieee80211_sub_if_data *sdata)
 968 {
 969         might_sleep();
 970
 971         if (!check_sdata_in_driver(sdata))
 972                 return;
 973         WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION);
 974
 975         trace_drv_mgd_prepare_tx(local, sdata);
 976         if (local->ops->mgd_prepare_tx)
 977                 local->ops->mgd_prepare_tx(&local->hw, &sdata->vif);
 978         trace_drv_return_void(local);
 979 }
 980
 981 static inline void
 982 drv_mgd_protect_tdls_discover(struct ieee80211_local *local,
 983                               struct ieee80211_sub_if_data *sdata)
 984 {
 985         might_sleep();
 986
 987         if (!check_sdata_in_driver(sdata))
 988                 return;
 989         WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION);
 990
 991         trace_drv_mgd_protect_tdls_discover(local, sdata);
 992         if (local->ops->mgd_protect_tdls_discover)
 993                 local->ops->mgd_protect_tdls_discover(&local->hw, &sdata->vif);
 994         trace_drv_return_void(local);
 995 }
 996
 997 static inline int drv_add_chanctx(struct ieee80211_local *local,
 998                                   struct ieee80211_chanctx *ctx)
 999 {
1000         int ret = -EOPNOTSUPP;
1001
1002         trace_drv_add_chanctx(local, ctx);
1003         if (local->ops->add_chanctx)
1004                 ret = local->ops->add_chanctx(&local->hw, &ctx->conf);
1005         trace_drv_return_int(local, ret);
1006         if (!ret)
1007                 ctx->driver_present = true;
1008
1009         return ret;
1010 }
1011
1012 static inline void drv_remove_chanctx(struct ieee80211_local *local,
1013                                       struct ieee80211_chanctx *ctx)
1014 {
1015         if (WARN_ON(!ctx->driver_present))
1016                 return;
1017
1018         trace_drv_remove_chanctx(local, ctx);
1019         if (local->ops->remove_chanctx)
1020                 local->ops->remove_chanctx(&local->hw, &ctx->conf);
1021         trace_drv_return_void(local);
1022         ctx->driver_present = false;
1023 }
1024
1025 static inline void drv_change_chanctx(struct ieee80211_local *local,
1026                                       struct ieee80211_chanctx *ctx,
1027                                       u32 changed)
1028 {
1029         trace_drv_change_chanctx(local, ctx, changed);
1030         if (local->ops->change_chanctx) {
1031                 WARN_ON_ONCE(!ctx->driver_present);
1032                 local->ops->change_chanctx(&local->hw, &ctx->conf, changed);
1033         }
1034         trace_drv_return_void(local);
1035 }
1036
1037 static inline int drv_assign_vif_chanctx(struct ieee80211_local *local,
1038                                          struct ieee80211_sub_if_data *sdata,
1039                                          struct ieee80211_chanctx *ctx)
1040 {
1041         int ret = 0;
1042
1043         if (!check_sdata_in_driver(sdata))
1044                 return -EIO;
1045
1046         trace_drv_assign_vif_chanctx(local, sdata, ctx);
1047         if (local->ops->assign_vif_chanctx) {
1048                 WARN_ON_ONCE(!ctx->driver_present);
1049                 ret = local->ops->assign_vif_chanctx(&local->hw,
1050                                                      &sdata->vif,
1051                                                      &ctx->conf);
1052         }
1053         trace_drv_return_int(local, ret);
1054
1055         return ret;
1056 }
1057
1058 static inline void drv_unassign_vif_chanctx(struct ieee80211_local *local,
1059                                             struct ieee80211_sub_if_data *sdata,
1060                                             struct ieee80211_chanctx *ctx)
1061 {
1062         if (!check_sdata_in_driver(sdata))
1063                 return;
1064
1065         trace_drv_unassign_vif_chanctx(local, sdata, ctx);
1066         if (local->ops->unassign_vif_chanctx) {
1067                 WARN_ON_ONCE(!ctx->driver_present);
1068                 local->ops->unassign_vif_chanctx(&local->hw,
1069                                                  &sdata->vif,
1070                                                  &ctx->conf);
1071         }
1072         trace_drv_return_void(local);
1073 }
1074
1075 static inline int
1076 drv_switch_vif_chanctx(struct ieee80211_local *local,
1077                        struct ieee80211_vif_chanctx_switch *vifs,
1078                        int n_vifs,
1079                        enum ieee80211_chanctx_switch_mode mode)
1080 {
1081         int ret = 0;
1082         int i;
1083
1084         if (!local->ops->switch_vif_chanctx)
1085                 return -EOPNOTSUPP;
1086
1087         for (i = 0; i < n_vifs; i++) {
1088                 struct ieee80211_chanctx *new_ctx =
1089                         container_of(vifs[i].new_ctx,
1090                                      struct ieee80211_chanctx,
1091                                      conf);
1092                 struct ieee80211_chanctx *old_ctx =
1093                         container_of(vifs[i].old_ctx,
1094                                      struct ieee80211_chanctx,
1095                                      conf);
1096
1097                 WARN_ON_ONCE(!old_ctx->driver_present);
1098                 WARN_ON_ONCE((mode == CHANCTX_SWMODE_SWAP_CONTEXTS &&
1099                               new_ctx->driver_present) ||
1100                              (mode == CHANCTX_SWMODE_REASSIGN_VIF &&
1101                               !new_ctx->driver_present));
1102         }
1103
1104         trace_drv_switch_vif_chanctx(local, vifs, n_vifs, mode);
1105         ret = local->ops->switch_vif_chanctx(&local->hw,
1106                                              vifs, n_vifs, mode);
1107         trace_drv_return_int(local, ret);
1108
1109         if (!ret && mode == CHANCTX_SWMODE_SWAP_CONTEXTS) {
1110                 for (i = 0; i < n_vifs; i++) {
1111                         struct ieee80211_chanctx *new_ctx =
1112                                 container_of(vifs[i].new_ctx,
1113                                              struct ieee80211_chanctx,
1114                                              conf);
1115                         struct ieee80211_chanctx *old_ctx =
1116                                 container_of(vifs[i].old_ctx,
1117                                              struct ieee80211_chanctx,
1118                                              conf);
1119
1120                         new_ctx->driver_present = true;
1121                         old_ctx->driver_present = false;
1122                 }
1123         }
1124
1125         return ret;
1126 }
1127
1128 static inline int drv_start_ap(struct ieee80211_local *local,
1129                                struct ieee80211_sub_if_data *sdata)
1130 {
1131         int ret = 0;
1132
1133         if (!check_sdata_in_driver(sdata))
1134                 return -EIO;
1135
1136         trace_drv_start_ap(local, sdata, &sdata->vif.bss_conf);
1137         if (local->ops->start_ap)
1138                 ret = local->ops->start_ap(&local->hw, &sdata->vif);
1139         trace_drv_return_int(local, ret);
1140         return ret;
1141 }
1142
1143 static inline void drv_stop_ap(struct ieee80211_local *local,
1144                                struct ieee80211_sub_if_data *sdata)
1145 {
1146         if (!check_sdata_in_driver(sdata))
1147                 return;
1148
1149         trace_drv_stop_ap(local, sdata);
1150         if (local->ops->stop_ap)
1151                 local->ops->stop_ap(&local->hw, &sdata->vif);
1152         trace_drv_return_void(local);
1153 }
1154
1155 static inline void drv_restart_complete(struct ieee80211_local *local)
1156 {
1157         might_sleep();
1158
1159         trace_drv_restart_complete(local);
1160         if (local->ops->restart_complete)
1161                 local->ops->restart_complete(&local->hw);
1162         trace_drv_return_void(local);
1163 }
1164
1165 static inline void
1166 drv_set_default_unicast_key(struct ieee80211_local *local,
1167                             struct ieee80211_sub_if_data *sdata,
1168                             int key_idx)
1169 {
1170         if (!check_sdata_in_driver(sdata))
1171                 return;
1172
1173         WARN_ON_ONCE(key_idx < -1 || key_idx > 3);
1174
1175         trace_drv_set_default_unicast_key(local, sdata, key_idx);
1176         if (local->ops->set_default_unicast_key)
1177                 local->ops->set_default_unicast_key(&local->hw, &sdata->vif,
1178                                                     key_idx);
1179         trace_drv_return_void(local);
1180 }
1181
1182 #if IS_ENABLED(CONFIG_IPV6)
1183 static inline void drv_ipv6_addr_change(struct ieee80211_local *local,
1184                                         struct ieee80211_sub_if_data *sdata,
1185                                         struct inet6_dev *idev)
1186 {
1187         trace_drv_ipv6_addr_change(local, sdata);
1188         if (local->ops->ipv6_addr_change)
1189                 local->ops->ipv6_addr_change(&local->hw, &sdata->vif, idev);
1190         trace_drv_return_void(local);
1191 }
1192 #endif
1193
1194 static inline void
1195 drv_channel_switch_beacon(struct ieee80211_sub_if_data *sdata,
1196                           struct cfg80211_chan_def *chandef)
1197 {
1198         struct ieee80211_local *local = sdata->local;
1199
1200         if (local->ops->channel_switch_beacon) {
1201                 trace_drv_channel_switch_beacon(local, sdata, chandef);
1202                 local->ops->channel_switch_beacon(&local->hw, &sdata->vif,
1203                                                   chandef);
1204         }
1205 }
1206
1207 static inline int
1208 drv_pre_channel_switch(struct ieee80211_sub_if_data *sdata,
1209                        struct ieee80211_channel_switch *ch_switch)
1210 {
1211         struct ieee80211_local *local = sdata->local;
1212         int ret = 0;
1213
1214         if (!check_sdata_in_driver(sdata))
1215                 return -EIO;
1216
1217         trace_drv_pre_channel_switch(local, sdata, ch_switch);
1218         if (local->ops->pre_channel_switch)
1219                 ret = local->ops->pre_channel_switch(&local->hw, &sdata->vif,
1220                                                      ch_switch);
1221         trace_drv_return_int(local, ret);
1222         return ret;
1223 }
1224
1225 static inline int
1226 drv_post_channel_switch(struct ieee80211_sub_if_data *sdata)
1227 {
1228         struct ieee80211_local *local = sdata->local;
1229         int ret = 0;
1230
1231         if (!check_sdata_in_driver(sdata))
1232                 return -EIO;
1233
1234         trace_drv_post_channel_switch(local, sdata);
1235         if (local->ops->post_channel_switch)
1236                 ret = local->ops->post_channel_switch(&local->hw, &sdata->vif);
1237         trace_drv_return_int(local, ret);
1238         return ret;
1239 }
1240
1241 static inline int drv_join_ibss(struct ieee80211_local *local,
1242                                 struct ieee80211_sub_if_data *sdata)
1243 {
1244         int ret = 0;
1245
1246         might_sleep();
1247         if (!check_sdata_in_driver(sdata))
1248                 return -EIO;
1249
1250         trace_drv_join_ibss(local, sdata, &sdata->vif.bss_conf);
1251         if (local->ops->join_ibss)
1252                 ret = local->ops->join_ibss(&local->hw, &sdata->vif);
1253         trace_drv_return_int(local, ret);
1254         return ret;
1255 }
1256
1257 static inline void drv_leave_ibss(struct ieee80211_local *local,
1258                                   struct ieee80211_sub_if_data *sdata)
1259 {
1260         might_sleep();
1261         if (!check_sdata_in_driver(sdata))
1262                 return;
1263
1264         trace_drv_leave_ibss(local, sdata);
1265         if (local->ops->leave_ibss)
1266                 local->ops->leave_ibss(&local->hw, &sdata->vif);
1267         trace_drv_return_void(local);
1268 }
1269
1270 static inline u32 drv_get_expected_throughput(struct ieee80211_local *local,
1271                                               struct ieee80211_sta *sta)
1272 {
1273         u32 ret = 0;
1274
1275         trace_drv_get_expected_throughput(sta);
1276         if (local->ops->get_expected_throughput)
1277                 ret = local->ops->get_expected_throughput(sta);
1278         trace_drv_return_u32(local, ret);
1279
1280         return ret;
1281 }
1282
1283 static inline int drv_get_txpower(struct ieee80211_local *local,
1284                                   struct ieee80211_sub_if_data *sdata, int *dbm)
1285 {
1286         int ret;
1287
1288         if (!local->ops->get_txpower)
1289                 return -EOPNOTSUPP;
1290
1291         ret = local->ops->get_txpower(&local->hw, &sdata->vif, dbm);
1292         trace_drv_get_txpower(local, sdata, *dbm, ret);
1293
1294         return ret;
1295 }
1296
1297 #endif /* __MAC80211_DRIVER_OPS */