net/mac80211/driver-ops.h

   1 #ifndef __MAC80211_DRIVER_OPS
   2 #define __MAC80211_DRIVER_OPS
   3
   4 #include <net/mac80211.h>
   5 #include "ieee80211_i.h"
   6 #include "trace.h"
   7
   8 static inline void check_sdata_in_driver(struct ieee80211_sub_if_data *sdata)
   9 {
  10         WARN(!(sdata->flags & IEEE80211_SDATA_IN_DRIVER),
  11              "%s:  Failed check-sdata-in-driver check, flags: 0x%x\n",
  12              sdata->dev ? sdata->dev->name : sdata->name, sdata->flags);
  13 }
  14
  15 static inline struct ieee80211_sub_if_data *
  16 get_bss_sdata(struct ieee80211_sub_if_data *sdata)
  17 {
  18         if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
  19                 sdata = container_of(sdata->bss, struct ieee80211_sub_if_data,
  20                                      u.ap);
  21
  22         return sdata;
  23 }
  24
  25 static inline void drv_tx(struct ieee80211_local *local,
  26                           struct ieee80211_tx_control *control,
  27                           struct sk_buff *skb)
  28 {
  29         local->ops->tx(&local->hw, control, skb);
  30 }
  31
  32 static inline void drv_get_et_strings(struct ieee80211_sub_if_data *sdata,
  33                                       u32 sset, u8 *data)
  34 {
  35         struct ieee80211_local *local = sdata->local;
  36         if (local->ops->get_et_strings) {
  37                 trace_drv_get_et_strings(local, sset);
  38                 local->ops->get_et_strings(&local->hw, &sdata->vif, sset, data);
  39                 trace_drv_return_void(local);
  40         }
  41 }
  42
  43 static inline void drv_get_et_stats(struct ieee80211_sub_if_data *sdata,
  44                                     struct ethtool_stats *stats,
  45                                     u64 *data)
  46 {
  47         struct ieee80211_local *local = sdata->local;
  48         if (local->ops->get_et_stats) {
  49                 trace_drv_get_et_stats(local);
  50                 local->ops->get_et_stats(&local->hw, &sdata->vif, stats, data);
  51                 trace_drv_return_void(local);
  52         }
  53 }
  54
  55 static inline int drv_get_et_sset_count(struct ieee80211_sub_if_data *sdata,
  56                                         int sset)
  57 {
  58         struct ieee80211_local *local = sdata->local;
  59         int rv = 0;
  60         if (local->ops->get_et_sset_count) {
  61                 trace_drv_get_et_sset_count(local, sset);
  62                 rv = local->ops->get_et_sset_count(&local->hw, &sdata->vif,
  63                                                    sset);
  64                 trace_drv_return_int(local, rv);
  65         }
  66         return rv;
  67 }
  68
  69 static inline int drv_start(struct ieee80211_local *local)
  70 {
  71         int ret;
  72
  73         might_sleep();
  74
  75         trace_drv_start(local);
  76         local->started = true;
  77         smp_mb();
  78         ret = local->ops->start(&local->hw);
  79         trace_drv_return_int(local, ret);
  80         return ret;
  81 }
  82
  83 static inline void drv_stop(struct ieee80211_local *local)
  84 {
  85         might_sleep();
  86
  87         trace_drv_stop(local);
  88         local->ops->stop(&local->hw);
  89         trace_drv_return_void(local);
  90
  91         /* sync away all work on the tasklet before clearing started */
  92         tasklet_disable(&local->tasklet);
  93         tasklet_enable(&local->tasklet);
  94
  95         barrier();
  96
  97         local->started = false;
  98 }
  99
 100 #ifdef CONFIG_PM
 101 static inline int drv_suspend(struct ieee80211_local *local,
 102                               struct cfg80211_wowlan *wowlan)
 103 {
 104         int ret;
 105
 106         might_sleep();
 107
 108         trace_drv_suspend(local);
 109         ret = local->ops->suspend(&local->hw, wowlan);
 110         trace_drv_return_int(local, ret);
 111         return ret;
 112 }
 113
 114 static inline int drv_resume(struct ieee80211_local *local)
 115 {
 116         int ret;
 117
 118         might_sleep();
 119
 120         trace_drv_resume(local);
 121         ret = local->ops->resume(&local->hw);
 122         trace_drv_return_int(local, ret);
 123         return ret;
 124 }
 125
 126 static inline void drv_set_wakeup(struct ieee80211_local *local,
 127                                   bool enabled)
 128 {
 129         might_sleep();
 130
 131         if (!local->ops->set_wakeup)
 132                 return;
 133
 134         trace_drv_set_wakeup(local, enabled);
 135         local->ops->set_wakeup(&local->hw, enabled);
 136         trace_drv_return_void(local);
 137 }
 138 #endif
 139
 140 static inline int drv_add_interface(struct ieee80211_local *local,
 141                                     struct ieee80211_sub_if_data *sdata)
 142 {
 143         int ret;
 144
 145         might_sleep();
 146
 147         if (WARN_ON(sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
 148                     (sdata->vif.type == NL80211_IFTYPE_MONITOR &&
 149                      !(local->hw.flags & IEEE80211_HW_WANT_MONITOR_VIF) &&
 150                      !(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         check_sdata_in_driver(sdata);
 172
 173         trace_drv_change_interface(local, sdata, type, p2p);
 174         ret = local->ops->change_interface(&local->hw, &sdata->vif, type, p2p);
 175         trace_drv_return_int(local, ret);
 176         return ret;
 177 }
 178
 179 static inline void drv_remove_interface(struct ieee80211_local *local,
 180                                         struct ieee80211_sub_if_data *sdata)
 181 {
 182         might_sleep();
 183
 184         check_sdata_in_driver(sdata);
 185
 186         trace_drv_remove_interface(local, sdata);
 187         local->ops->remove_interface(&local->hw, &sdata->vif);
 188         sdata->flags &= ~IEEE80211_SDATA_IN_DRIVER;
 189         trace_drv_return_void(local);
 190 }
 191
 192 static inline int drv_config(struct ieee80211_local *local, u32 changed)
 193 {
 194         int ret;
 195
 196         might_sleep();
 197
 198         trace_drv_config(local, changed);
 199         ret = local->ops->config(&local->hw, changed);
 200         trace_drv_return_int(local, ret);
 201         return ret;
 202 }
 203
 204 static inline void drv_bss_info_changed(struct ieee80211_local *local,
 205                                         struct ieee80211_sub_if_data *sdata,
 206                                         struct ieee80211_bss_conf *info,
 207                                         u32 changed)
 208 {
 209         might_sleep();
 210
 211         if (WARN_ON_ONCE(changed & (BSS_CHANGED_BEACON |
 212                                     BSS_CHANGED_BEACON_ENABLED) &&
 213                          sdata->vif.type != NL80211_IFTYPE_AP &&
 214                          sdata->vif.type != NL80211_IFTYPE_ADHOC &&
 215                          sdata->vif.type != NL80211_IFTYPE_MESH_POINT))
 216                 return;
 217
 218         if (WARN_ON_ONCE(sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE ||
 219                          sdata->vif.type == NL80211_IFTYPE_MONITOR))
 220                 return;
 221
 222         check_sdata_in_driver(sdata);
 223
 224         trace_drv_bss_info_changed(local, sdata, info, changed);
 225         if (local->ops->bss_info_changed)
 226                 local->ops->bss_info_changed(&local->hw, &sdata->vif, info, changed);
 227         trace_drv_return_void(local);
 228 }
 229
 230 static inline u64 drv_prepare_multicast(struct ieee80211_local *local,
 231                                         struct netdev_hw_addr_list *mc_list)
 232 {
 233         u64 ret = 0;
 234
 235         trace_drv_prepare_multicast(local, mc_list->count);
 236
 237         if (local->ops->prepare_multicast)
 238                 ret = local->ops->prepare_multicast(&local->hw, mc_list);
 239
 240         trace_drv_return_u64(local, ret);
 241
 242         return ret;
 243 }
 244
 245 static inline void drv_set_multicast_list(struct ieee80211_local *local,
 246                                           struct ieee80211_sub_if_data *sdata,
 247                                           struct netdev_hw_addr_list *mc_list)
 248 {
 249         bool allmulti = sdata->flags & IEEE80211_SDATA_ALLMULTI;
 250
 251         trace_drv_set_multicast_list(local, sdata, mc_list->count);
 252
 253         check_sdata_in_driver(sdata);
 254
 255         if (local->ops->set_multicast_list)
 256                 local->ops->set_multicast_list(&local->hw, &sdata->vif,
 257                                                allmulti, mc_list);
 258         trace_drv_return_void(local);
 259 }
 260
 261 static inline void drv_configure_filter(struct ieee80211_local *local,
 262                                         unsigned int changed_flags,
 263                                         unsigned int *total_flags,
 264                                         u64 multicast)
 265 {
 266         might_sleep();
 267
 268         trace_drv_configure_filter(local, changed_flags, total_flags,
 269                                    multicast);
 270         local->ops->configure_filter(&local->hw, changed_flags, total_flags,
 271                                      multicast);
 272         trace_drv_return_void(local);
 273 }
 274
 275 static inline int drv_set_tim(struct ieee80211_local *local,
 276                               struct ieee80211_sta *sta, bool set)
 277 {
 278         int ret = 0;
 279         trace_drv_set_tim(local, sta, set);
 280         if (local->ops->set_tim)
 281                 ret = local->ops->set_tim(&local->hw, sta, set);
 282         trace_drv_return_int(local, ret);
 283         return ret;
 284 }
 285
 286 static inline int drv_set_key(struct ieee80211_local *local,
 287                               enum set_key_cmd cmd,
 288                               struct ieee80211_sub_if_data *sdata,
 289                               struct ieee80211_sta *sta,
 290                               struct ieee80211_key_conf *key)
 291 {
 292         int ret;
 293
 294         might_sleep();
 295
 296         sdata = get_bss_sdata(sdata);
 297         check_sdata_in_driver(sdata);
 298
 299         trace_drv_set_key(local, cmd, sdata, sta, key);
 300         ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key);
 301         trace_drv_return_int(local, ret);
 302         return ret;
 303 }
 304
 305 static inline void drv_update_tkip_key(struct ieee80211_local *local,
 306                                        struct ieee80211_sub_if_data *sdata,
 307                                        struct ieee80211_key_conf *conf,
 308                                        struct sta_info *sta, u32 iv32,
 309                                        u16 *phase1key)
 310 {
 311         struct ieee80211_sta *ista = NULL;
 312
 313         if (sta)
 314                 ista = &sta->sta;
 315
 316         sdata = get_bss_sdata(sdata);
 317         check_sdata_in_driver(sdata);
 318
 319         trace_drv_update_tkip_key(local, sdata, conf, ista, iv32);
 320         if (local->ops->update_tkip_key)
 321                 local->ops->update_tkip_key(&local->hw, &sdata->vif, conf,
 322                                             ista, iv32, phase1key);
 323         trace_drv_return_void(local);
 324 }
 325
 326 static inline int drv_hw_scan(struct ieee80211_local *local,
 327                               struct ieee80211_sub_if_data *sdata,
 328                               struct cfg80211_scan_request *req)
 329 {
 330         int ret;
 331
 332         might_sleep();
 333
 334         check_sdata_in_driver(sdata);
 335
 336         trace_drv_hw_scan(local, sdata);
 337         ret = local->ops->hw_scan(&local->hw, &sdata->vif, req);
 338         trace_drv_return_int(local, ret);
 339         return ret;
 340 }
 341
 342 static inline void drv_cancel_hw_scan(struct ieee80211_local *local,
 343                                       struct ieee80211_sub_if_data *sdata)
 344 {
 345         might_sleep();
 346
 347         check_sdata_in_driver(sdata);
 348
 349         trace_drv_cancel_hw_scan(local, sdata);
 350         local->ops->cancel_hw_scan(&local->hw, &sdata->vif);
 351         trace_drv_return_void(local);
 352 }
 353
 354 static inline int
 355 drv_sched_scan_start(struct ieee80211_local *local,
 356                      struct ieee80211_sub_if_data *sdata,
 357                      struct cfg80211_sched_scan_request *req,
 358                      struct ieee80211_sched_scan_ies *ies)
 359 {
 360         int ret;
 361
 362         might_sleep();
 363
 364         check_sdata_in_driver(sdata);
 365
 366         trace_drv_sched_scan_start(local, sdata);
 367         ret = local->ops->sched_scan_start(&local->hw, &sdata->vif,
 368                                               req, ies);
 369         trace_drv_return_int(local, ret);
 370         return ret;
 371 }
 372
 373 static inline void drv_sched_scan_stop(struct ieee80211_local *local,
 374                                        struct ieee80211_sub_if_data *sdata)
 375 {
 376         might_sleep();
 377
 378         check_sdata_in_driver(sdata);
 379
 380         trace_drv_sched_scan_stop(local, sdata);
 381         local->ops->sched_scan_stop(&local->hw, &sdata->vif);
 382         trace_drv_return_void(local);
 383 }
 384
 385 static inline void drv_sw_scan_start(struct ieee80211_local *local)
 386 {
 387         might_sleep();
 388
 389         trace_drv_sw_scan_start(local);
 390         if (local->ops->sw_scan_start)
 391                 local->ops->sw_scan_start(&local->hw);
 392         trace_drv_return_void(local);
 393 }
 394
 395 static inline void drv_sw_scan_complete(struct ieee80211_local *local)
 396 {
 397         might_sleep();
 398
 399         trace_drv_sw_scan_complete(local);
 400         if (local->ops->sw_scan_complete)
 401                 local->ops->sw_scan_complete(&local->hw);
 402         trace_drv_return_void(local);
 403 }
 404
 405 static inline int drv_get_stats(struct ieee80211_local *local,
 406                                 struct ieee80211_low_level_stats *stats)
 407 {
 408         int ret = -EOPNOTSUPP;
 409
 410         might_sleep();
 411
 412         if (local->ops->get_stats)
 413                 ret = local->ops->get_stats(&local->hw, stats);
 414         trace_drv_get_stats(local, stats, ret);
 415
 416         return ret;
 417 }
 418
 419 static inline void drv_get_tkip_seq(struct ieee80211_local *local,
 420                                     u8 hw_key_idx, u32 *iv32, u16 *iv16)
 421 {
 422         if (local->ops->get_tkip_seq)
 423                 local->ops->get_tkip_seq(&local->hw, hw_key_idx, iv32, iv16);
 424         trace_drv_get_tkip_seq(local, hw_key_idx, iv32, iv16);
 425 }
 426
 427 static inline int drv_set_frag_threshold(struct ieee80211_local *local,
 428                                         u32 value)
 429 {
 430         int ret = 0;
 431
 432         might_sleep();
 433
 434         trace_drv_set_frag_threshold(local, value);
 435         if (local->ops->set_frag_threshold)
 436                 ret = local->ops->set_frag_threshold(&local->hw, value);
 437         trace_drv_return_int(local, ret);
 438         return ret;
 439 }
 440
 441 static inline int drv_set_rts_threshold(struct ieee80211_local *local,
 442                                         u32 value)
 443 {
 444         int ret = 0;
 445
 446         might_sleep();
 447
 448         trace_drv_set_rts_threshold(local, value);
 449         if (local->ops->set_rts_threshold)
 450                 ret = local->ops->set_rts_threshold(&local->hw, value);
 451         trace_drv_return_int(local, ret);
 452         return ret;
 453 }
 454
 455 static inline int drv_set_coverage_class(struct ieee80211_local *local,
 456                                          u8 value)
 457 {
 458         int ret = 0;
 459         might_sleep();
 460
 461         trace_drv_set_coverage_class(local, value);
 462         if (local->ops->set_coverage_class)
 463                 local->ops->set_coverage_class(&local->hw, value);
 464         else
 465                 ret = -EOPNOTSUPP;
 466
 467         trace_drv_return_int(local, ret);
 468         return ret;
 469 }
 470
 471 static inline void drv_sta_notify(struct ieee80211_local *local,
 472                                   struct ieee80211_sub_if_data *sdata,
 473                                   enum sta_notify_cmd cmd,
 474                                   struct ieee80211_sta *sta)
 475 {
 476         sdata = get_bss_sdata(sdata);
 477         check_sdata_in_driver(sdata);
 478
 479         trace_drv_sta_notify(local, sdata, cmd, sta);
 480         if (local->ops->sta_notify)
 481                 local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta);
 482         trace_drv_return_void(local);
 483 }
 484
 485 static inline int drv_sta_add(struct ieee80211_local *local,
 486                               struct ieee80211_sub_if_data *sdata,
 487                               struct ieee80211_sta *sta)
 488 {
 489         int ret = 0;
 490
 491         might_sleep();
 492
 493         sdata = get_bss_sdata(sdata);
 494         check_sdata_in_driver(sdata);
 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         check_sdata_in_driver(sdata);
 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         check_sdata_in_driver(sdata);
 531
 532         if (local->ops->sta_add_debugfs)
 533                 local->ops->sta_add_debugfs(&local->hw, &sdata->vif,
 534                                             sta, dir);
 535 }
 536
 537 static inline void drv_sta_remove_debugfs(struct ieee80211_local *local,
 538                                           struct ieee80211_sub_if_data *sdata,
 539                                           struct ieee80211_sta *sta,
 540                                           struct dentry *dir)
 541 {
 542         might_sleep();
 543
 544         sdata = get_bss_sdata(sdata);
 545         check_sdata_in_driver(sdata);
 546
 547         if (local->ops->sta_remove_debugfs)
 548                 local->ops->sta_remove_debugfs(&local->hw, &sdata->vif,
 549                                                sta, dir);
 550 }
 551 #endif
 552
 553 static inline __must_check
 554 int drv_sta_state(struct ieee80211_local *local,
 555                   struct ieee80211_sub_if_data *sdata,
 556                   struct sta_info *sta,
 557                   enum ieee80211_sta_state old_state,
 558                   enum ieee80211_sta_state new_state)
 559 {
 560         int ret = 0;
 561
 562         might_sleep();
 563
 564         sdata = get_bss_sdata(sdata);
 565         check_sdata_in_driver(sdata);
 566
 567         trace_drv_sta_state(local, sdata, &sta->sta, old_state, new_state);
 568         if (local->ops->sta_state) {
 569                 ret = local->ops->sta_state(&local->hw, &sdata->vif, &sta->sta,
 570                                             old_state, new_state);
 571         } else if (old_state == IEEE80211_STA_AUTH &&
 572                    new_state == IEEE80211_STA_ASSOC) {
 573                 ret = drv_sta_add(local, sdata, &sta->sta);
 574                 if (ret == 0)
 575                         sta->uploaded = true;
 576         } else if (old_state == IEEE80211_STA_ASSOC &&
 577                    new_state == IEEE80211_STA_AUTH) {
 578                 drv_sta_remove(local, sdata, &sta->sta);
 579         }
 580         trace_drv_return_int(local, ret);
 581         return ret;
 582 }
 583
 584 static inline void drv_sta_rc_update(struct ieee80211_local *local,
 585                                      struct ieee80211_sub_if_data *sdata,
 586                                      struct ieee80211_sta *sta, u32 changed)
 587 {
 588         sdata = get_bss_sdata(sdata);
 589         check_sdata_in_driver(sdata);
 590
 591         WARN_ON(changed & IEEE80211_RC_SUPP_RATES_CHANGED &&
 592                 (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
 593                  sdata->vif.type != NL80211_IFTYPE_MESH_POINT));
 594
 595         trace_drv_sta_rc_update(local, sdata, sta, changed);
 596         if (local->ops->sta_rc_update)
 597                 local->ops->sta_rc_update(&local->hw, &sdata->vif,
 598                                           sta, changed);
 599
 600         trace_drv_return_void(local);
 601 }
 602
 603 static inline int drv_conf_tx(struct ieee80211_local *local,
 604                               struct ieee80211_sub_if_data *sdata, u16 ac,
 605                               const struct ieee80211_tx_queue_params *params)
 606 {
 607         int ret = -EOPNOTSUPP;
 608
 609         might_sleep();
 610
 611         check_sdata_in_driver(sdata);
 612
 613         trace_drv_conf_tx(local, sdata, ac, params);
 614         if (local->ops->conf_tx)
 615                 ret = local->ops->conf_tx(&local->hw, &sdata->vif,
 616                                           ac, params);
 617         trace_drv_return_int(local, ret);
 618         return ret;
 619 }
 620
 621 static inline u64 drv_get_tsf(struct ieee80211_local *local,
 622                               struct ieee80211_sub_if_data *sdata)
 623 {
 624         u64 ret = -1ULL;
 625
 626         might_sleep();
 627
 628         check_sdata_in_driver(sdata);
 629
 630         trace_drv_get_tsf(local, sdata);
 631         if (local->ops->get_tsf)
 632                 ret = local->ops->get_tsf(&local->hw, &sdata->vif);
 633         trace_drv_return_u64(local, ret);
 634         return ret;
 635 }
 636
 637 static inline void drv_set_tsf(struct ieee80211_local *local,
 638                                struct ieee80211_sub_if_data *sdata,
 639                                u64 tsf)
 640 {
 641         might_sleep();
 642
 643         check_sdata_in_driver(sdata);
 644
 645         trace_drv_set_tsf(local, sdata, tsf);
 646         if (local->ops->set_tsf)
 647                 local->ops->set_tsf(&local->hw, &sdata->vif, tsf);
 648         trace_drv_return_void(local);
 649 }
 650
 651 static inline void drv_reset_tsf(struct ieee80211_local *local,
 652                                  struct ieee80211_sub_if_data *sdata)
 653 {
 654         might_sleep();
 655
 656         check_sdata_in_driver(sdata);
 657
 658         trace_drv_reset_tsf(local, sdata);
 659         if (local->ops->reset_tsf)
 660                 local->ops->reset_tsf(&local->hw, &sdata->vif);
 661         trace_drv_return_void(local);
 662 }
 663
 664 static inline int drv_tx_last_beacon(struct ieee80211_local *local)
 665 {
 666         int ret = 0; /* default unsupported op for less congestion */
 667
 668         might_sleep();
 669
 670         trace_drv_tx_last_beacon(local);
 671         if (local->ops->tx_last_beacon)
 672                 ret = local->ops->tx_last_beacon(&local->hw);
 673         trace_drv_return_int(local, ret);
 674         return ret;
 675 }
 676
 677 static inline int drv_ampdu_action(struct ieee80211_local *local,
 678                                    struct ieee80211_sub_if_data *sdata,
 679                                    enum ieee80211_ampdu_mlme_action action,
 680                                    struct ieee80211_sta *sta, u16 tid,
 681                                    u16 *ssn, u8 buf_size)
 682 {
 683         int ret = -EOPNOTSUPP;
 684
 685         might_sleep();
 686
 687         sdata = get_bss_sdata(sdata);
 688         check_sdata_in_driver(sdata);
 689
 690         trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, buf_size);
 691
 692         if (local->ops->ampdu_action)
 693                 ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
 694                                                sta, tid, ssn, buf_size);
 695
 696         trace_drv_return_int(local, ret);
 697
 698         return ret;
 699 }
 700
 701 static inline int drv_get_survey(struct ieee80211_local *local, int idx,
 702                                 struct survey_info *survey)
 703 {
 704         int ret = -EOPNOTSUPP;
 705
 706         trace_drv_get_survey(local, idx, survey);
 707
 708         if (local->ops->get_survey)
 709                 ret = local->ops->get_survey(&local->hw, idx, survey);
 710
 711         trace_drv_return_int(local, ret);
 712
 713         return ret;
 714 }
 715
 716 static inline void drv_rfkill_poll(struct ieee80211_local *local)
 717 {
 718         might_sleep();
 719
 720         if (local->ops->rfkill_poll)
 721                 local->ops->rfkill_poll(&local->hw);
 722 }
 723
 724 static inline void drv_flush(struct ieee80211_local *local,
 725                              u32 queues, bool drop)
 726 {
 727         might_sleep();
 728
 729         trace_drv_flush(local, queues, drop);
 730         if (local->ops->flush)
 731                 local->ops->flush(&local->hw, queues, drop);
 732         trace_drv_return_void(local);
 733 }
 734
 735 static inline void drv_channel_switch(struct ieee80211_local *local,
 736                                      struct ieee80211_channel_switch *ch_switch)
 737 {
 738         might_sleep();
 739
 740         trace_drv_channel_switch(local, ch_switch);
 741         local->ops->channel_switch(&local->hw, ch_switch);
 742         trace_drv_return_void(local);
 743 }
 744
 745
 746 static inline int drv_set_antenna(struct ieee80211_local *local,
 747                                   u32 tx_ant, u32 rx_ant)
 748 {
 749         int ret = -EOPNOTSUPP;
 750         might_sleep();
 751         if (local->ops->set_antenna)
 752                 ret = local->ops->set_antenna(&local->hw, tx_ant, rx_ant);
 753         trace_drv_set_antenna(local, tx_ant, rx_ant, ret);
 754         return ret;
 755 }
 756
 757 static inline int drv_get_antenna(struct ieee80211_local *local,
 758                                   u32 *tx_ant, u32 *rx_ant)
 759 {
 760         int ret = -EOPNOTSUPP;
 761         might_sleep();
 762         if (local->ops->get_antenna)
 763                 ret = local->ops->get_antenna(&local->hw, tx_ant, rx_ant);
 764         trace_drv_get_antenna(local, *tx_ant, *rx_ant, ret);
 765         return ret;
 766 }
 767
 768 static inline int drv_remain_on_channel(struct ieee80211_local *local,
 769                                         struct ieee80211_sub_if_data *sdata,
 770                                         struct ieee80211_channel *chan,
 771                                         unsigned int duration,
 772                                         enum ieee80211_roc_type type)
 773 {
 774         int ret;
 775
 776         might_sleep();
 777
 778         trace_drv_remain_on_channel(local, sdata, chan, duration, type);
 779         ret = local->ops->remain_on_channel(&local->hw, &sdata->vif,
 780                                             chan, duration, type);
 781         trace_drv_return_int(local, ret);
 782
 783         return ret;
 784 }
 785
 786 static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local)
 787 {
 788         int ret;
 789
 790         might_sleep();
 791
 792         trace_drv_cancel_remain_on_channel(local);
 793         ret = local->ops->cancel_remain_on_channel(&local->hw);
 794         trace_drv_return_int(local, ret);
 795
 796         return ret;
 797 }
 798
 799 static inline int drv_set_ringparam(struct ieee80211_local *local,
 800                                     u32 tx, u32 rx)
 801 {
 802         int ret = -ENOTSUPP;
 803
 804         might_sleep();
 805
 806         trace_drv_set_ringparam(local, tx, rx);
 807         if (local->ops->set_ringparam)
 808                 ret = local->ops->set_ringparam(&local->hw, tx, rx);
 809         trace_drv_return_int(local, ret);
 810
 811         return ret;
 812 }
 813
 814 static inline void drv_get_ringparam(struct ieee80211_local *local,
 815                                      u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
 816 {
 817         might_sleep();
 818
 819         trace_drv_get_ringparam(local, tx, tx_max, rx, rx_max);
 820         if (local->ops->get_ringparam)
 821                 local->ops->get_ringparam(&local->hw, tx, tx_max, rx, rx_max);
 822         trace_drv_return_void(local);
 823 }
 824
 825 static inline bool drv_tx_frames_pending(struct ieee80211_local *local)
 826 {
 827         bool ret = false;
 828
 829         might_sleep();
 830
 831         trace_drv_tx_frames_pending(local);
 832         if (local->ops->tx_frames_pending)
 833                 ret = local->ops->tx_frames_pending(&local->hw);
 834         trace_drv_return_bool(local, ret);
 835
 836         return ret;
 837 }
 838
 839 static inline int drv_set_bitrate_mask(struct ieee80211_local *local,
 840                                        struct ieee80211_sub_if_data *sdata,
 841                                        const struct cfg80211_bitrate_mask *mask)
 842 {
 843         int ret = -EOPNOTSUPP;
 844
 845         might_sleep();
 846
 847         check_sdata_in_driver(sdata);
 848
 849         trace_drv_set_bitrate_mask(local, sdata, mask);
 850         if (local->ops->set_bitrate_mask)
 851                 ret = local->ops->set_bitrate_mask(&local->hw,
 852                                                    &sdata->vif, mask);
 853         trace_drv_return_int(local, ret);
 854
 855         return ret;
 856 }
 857
 858 static inline void drv_set_rekey_data(struct ieee80211_local *local,
 859                                       struct ieee80211_sub_if_data *sdata,
 860                                       struct cfg80211_gtk_rekey_data *data)
 861 {
 862         check_sdata_in_driver(sdata);
 863
 864         trace_drv_set_rekey_data(local, sdata, data);
 865         if (local->ops->set_rekey_data)
 866                 local->ops->set_rekey_data(&local->hw, &sdata->vif, data);
 867         trace_drv_return_void(local);
 868 }
 869
 870 static inline void drv_rssi_callback(struct ieee80211_local *local,
 871                                      struct ieee80211_sub_if_data *sdata,
 872                                      const enum ieee80211_rssi_event event)
 873 {
 874         trace_drv_rssi_callback(local, sdata, event);
 875         if (local->ops->rssi_callback)
 876                 local->ops->rssi_callback(&local->hw, &sdata->vif, event);
 877         trace_drv_return_void(local);
 878 }
 879
 880 static inline void
 881 drv_release_buffered_frames(struct ieee80211_local *local,
 882                             struct sta_info *sta, u16 tids, int num_frames,
 883                             enum ieee80211_frame_release_type reason,
 884                             bool more_data)
 885 {
 886         trace_drv_release_buffered_frames(local, &sta->sta, tids, num_frames,
 887                                           reason, more_data);
 888         if (local->ops->release_buffered_frames)
 889                 local->ops->release_buffered_frames(&local->hw, &sta->sta, tids,
 890                                                     num_frames, reason,
 891                                                     more_data);
 892         trace_drv_return_void(local);
 893 }
 894
 895 static inline void
 896 drv_allow_buffered_frames(struct ieee80211_local *local,
 897                           struct sta_info *sta, u16 tids, int num_frames,
 898                           enum ieee80211_frame_release_type reason,
 899                           bool more_data)
 900 {
 901         trace_drv_allow_buffered_frames(local, &sta->sta, tids, num_frames,
 902                                         reason, more_data);
 903         if (local->ops->allow_buffered_frames)
 904                 local->ops->allow_buffered_frames(&local->hw, &sta->sta,
 905                                                   tids, num_frames, reason,
 906                                                   more_data);
 907         trace_drv_return_void(local);
 908 }
 909
 910 static inline int drv_get_rssi(struct ieee80211_local *local,
 911                                 struct ieee80211_sub_if_data *sdata,
 912                                 struct ieee80211_sta *sta,
 913                                 s8 *rssi_dbm)
 914 {
 915         int ret;
 916
 917         might_sleep();
 918
 919         ret = local->ops->get_rssi(&local->hw, &sdata->vif, sta, rssi_dbm);
 920         trace_drv_get_rssi(local, sta, *rssi_dbm, ret);
 921
 922         return ret;
 923 }
 924
 925 static inline void drv_mgd_prepare_tx(struct ieee80211_local *local,
 926                                       struct ieee80211_sub_if_data *sdata)
 927 {
 928         might_sleep();
 929
 930         check_sdata_in_driver(sdata);
 931         WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION);
 932
 933         trace_drv_mgd_prepare_tx(local, sdata);
 934         if (local->ops->mgd_prepare_tx)
 935                 local->ops->mgd_prepare_tx(&local->hw, &sdata->vif);
 936         trace_drv_return_void(local);
 937 }
 938
 939 static inline int drv_add_chanctx(struct ieee80211_local *local,
 940                                   struct ieee80211_chanctx *ctx)
 941 {
 942         int ret = -EOPNOTSUPP;
 943
 944         trace_drv_add_chanctx(local, ctx);
 945         if (local->ops->add_chanctx)
 946                 ret = local->ops->add_chanctx(&local->hw, &ctx->conf);
 947         trace_drv_return_int(local, ret);
 948         if (!ret)
 949                 ctx->driver_present = true;
 950
 951         return ret;
 952 }
 953
 954 static inline void drv_remove_chanctx(struct ieee80211_local *local,
 955                                       struct ieee80211_chanctx *ctx)
 956 {
 957         trace_drv_remove_chanctx(local, ctx);
 958         if (local->ops->remove_chanctx)
 959                 local->ops->remove_chanctx(&local->hw, &ctx->conf);
 960         trace_drv_return_void(local);
 961         ctx->driver_present = false;
 962 }
 963
 964 static inline void drv_change_chanctx(struct ieee80211_local *local,
 965                                       struct ieee80211_chanctx *ctx,
 966                                       u32 changed)
 967 {
 968         trace_drv_change_chanctx(local, ctx, changed);
 969         if (local->ops->change_chanctx) {
 970                 WARN_ON_ONCE(!ctx->driver_present);
 971                 local->ops->change_chanctx(&local->hw, &ctx->conf, changed);
 972         }
 973         trace_drv_return_void(local);
 974 }
 975
 976 static inline int drv_assign_vif_chanctx(struct ieee80211_local *local,
 977                                          struct ieee80211_sub_if_data *sdata,
 978                                          struct ieee80211_chanctx *ctx)
 979 {
 980         int ret = 0;
 981
 982         check_sdata_in_driver(sdata);
 983
 984         trace_drv_assign_vif_chanctx(local, sdata, ctx);
 985         if (local->ops->assign_vif_chanctx) {
 986                 WARN_ON_ONCE(!ctx->driver_present);
 987                 ret = local->ops->assign_vif_chanctx(&local->hw,
 988                                                      &sdata->vif,
 989                                                      &ctx->conf);
 990         }
 991         trace_drv_return_int(local, ret);
 992
 993         return ret;
 994 }
 995
 996 static inline void drv_unassign_vif_chanctx(struct ieee80211_local *local,
 997                                             struct ieee80211_sub_if_data *sdata,
 998                                             struct ieee80211_chanctx *ctx)
 999 {
1000         check_sdata_in_driver(sdata);
1001
1002         trace_drv_unassign_vif_chanctx(local, sdata, ctx);
1003         if (local->ops->unassign_vif_chanctx) {
1004                 WARN_ON_ONCE(!ctx->driver_present);
1005                 local->ops->unassign_vif_chanctx(&local->hw,
1006                                                  &sdata->vif,
1007                                                  &ctx->conf);
1008         }
1009         trace_drv_return_void(local);
1010 }
1011
1012 static inline int drv_start_ap(struct ieee80211_local *local,
1013                                struct ieee80211_sub_if_data *sdata)
1014 {
1015         int ret = 0;
1016
1017         check_sdata_in_driver(sdata);
1018
1019         trace_drv_start_ap(local, sdata, &sdata->vif.bss_conf);
1020         if (local->ops->start_ap)
1021                 ret = local->ops->start_ap(&local->hw, &sdata->vif);
1022         trace_drv_return_int(local, ret);
1023         return ret;
1024 }
1025
1026 static inline void drv_stop_ap(struct ieee80211_local *local,
1027                                struct ieee80211_sub_if_data *sdata)
1028 {
1029         check_sdata_in_driver(sdata);
1030
1031         trace_drv_stop_ap(local, sdata);
1032         if (local->ops->stop_ap)
1033                 local->ops->stop_ap(&local->hw, &sdata->vif);
1034         trace_drv_return_void(local);
1035 }
1036
1037 static inline void drv_restart_complete(struct ieee80211_local *local)
1038 {
1039         might_sleep();
1040
1041         trace_drv_restart_complete(local);
1042         if (local->ops->restart_complete)
1043                 local->ops->restart_complete(&local->hw);
1044         trace_drv_return_void(local);
1045 }
1046
1047 static inline void
1048 drv_set_default_unicast_key(struct ieee80211_local *local,
1049                             struct ieee80211_sub_if_data *sdata,
1050                             int key_idx)
1051 {
1052         check_sdata_in_driver(sdata);
1053
1054         WARN_ON_ONCE(key_idx < -1 || key_idx > 3);
1055
1056         trace_drv_set_default_unicast_key(local, sdata, key_idx);
1057         if (local->ops->set_default_unicast_key)
1058                 local->ops->set_default_unicast_key(&local->hw, &sdata->vif,
1059                                                     key_idx);
1060         trace_drv_return_void(local);
1061 }
1062
1063 #if IS_ENABLED(CONFIG_IPV6)
1064 static inline void drv_ipv6_addr_change(struct ieee80211_local *local,
1065                                         struct ieee80211_sub_if_data *sdata,
1066                                         struct inet6_dev *idev)
1067 {
1068         trace_drv_ipv6_addr_change(local, sdata);
1069         if (local->ops->ipv6_addr_change)
1070                 local->ops->ipv6_addr_change(&local->hw, &sdata->vif, idev);
1071         trace_drv_return_void(local);
1072 }
1073 #endif
1074
1075 #endif /* __MAC80211_DRIVER_OPS */