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_configure_filter(struct ieee80211_local *local,
 246                                         unsigned int changed_flags,
 247                                         unsigned int *total_flags,
 248                                         u64 multicast)
 249 {
 250         might_sleep();
 251
 252         trace_drv_configure_filter(local, changed_flags, total_flags,
 253                                    multicast);
 254         local->ops->configure_filter(&local->hw, changed_flags, total_flags,
 255                                      multicast);
 256         trace_drv_return_void(local);
 257 }
 258
 259 static inline int drv_set_tim(struct ieee80211_local *local,
 260                               struct ieee80211_sta *sta, bool set)
 261 {
 262         int ret = 0;
 263         trace_drv_set_tim(local, sta, set);
 264         if (local->ops->set_tim)
 265                 ret = local->ops->set_tim(&local->hw, sta, set);
 266         trace_drv_return_int(local, ret);
 267         return ret;
 268 }
 269
 270 static inline int drv_set_key(struct ieee80211_local *local,
 271                               enum set_key_cmd cmd,
 272                               struct ieee80211_sub_if_data *sdata,
 273                               struct ieee80211_sta *sta,
 274                               struct ieee80211_key_conf *key)
 275 {
 276         int ret;
 277
 278         might_sleep();
 279
 280         sdata = get_bss_sdata(sdata);
 281         check_sdata_in_driver(sdata);
 282
 283         trace_drv_set_key(local, cmd, sdata, sta, key);
 284         ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key);
 285         trace_drv_return_int(local, ret);
 286         return ret;
 287 }
 288
 289 static inline void drv_update_tkip_key(struct ieee80211_local *local,
 290                                        struct ieee80211_sub_if_data *sdata,
 291                                        struct ieee80211_key_conf *conf,
 292                                        struct sta_info *sta, u32 iv32,
 293                                        u16 *phase1key)
 294 {
 295         struct ieee80211_sta *ista = NULL;
 296
 297         if (sta)
 298                 ista = &sta->sta;
 299
 300         sdata = get_bss_sdata(sdata);
 301         check_sdata_in_driver(sdata);
 302
 303         trace_drv_update_tkip_key(local, sdata, conf, ista, iv32);
 304         if (local->ops->update_tkip_key)
 305                 local->ops->update_tkip_key(&local->hw, &sdata->vif, conf,
 306                                             ista, iv32, phase1key);
 307         trace_drv_return_void(local);
 308 }
 309
 310 static inline int drv_hw_scan(struct ieee80211_local *local,
 311                               struct ieee80211_sub_if_data *sdata,
 312                               struct cfg80211_scan_request *req)
 313 {
 314         int ret;
 315
 316         might_sleep();
 317
 318         check_sdata_in_driver(sdata);
 319
 320         trace_drv_hw_scan(local, sdata);
 321         ret = local->ops->hw_scan(&local->hw, &sdata->vif, req);
 322         trace_drv_return_int(local, ret);
 323         return ret;
 324 }
 325
 326 static inline void drv_cancel_hw_scan(struct ieee80211_local *local,
 327                                       struct ieee80211_sub_if_data *sdata)
 328 {
 329         might_sleep();
 330
 331         check_sdata_in_driver(sdata);
 332
 333         trace_drv_cancel_hw_scan(local, sdata);
 334         local->ops->cancel_hw_scan(&local->hw, &sdata->vif);
 335         trace_drv_return_void(local);
 336 }
 337
 338 static inline int
 339 drv_sched_scan_start(struct ieee80211_local *local,
 340                      struct ieee80211_sub_if_data *sdata,
 341                      struct cfg80211_sched_scan_request *req,
 342                      struct ieee80211_sched_scan_ies *ies)
 343 {
 344         int ret;
 345
 346         might_sleep();
 347
 348         check_sdata_in_driver(sdata);
 349
 350         trace_drv_sched_scan_start(local, sdata);
 351         ret = local->ops->sched_scan_start(&local->hw, &sdata->vif,
 352                                               req, ies);
 353         trace_drv_return_int(local, ret);
 354         return ret;
 355 }
 356
 357 static inline int drv_sched_scan_stop(struct ieee80211_local *local,
 358                                       struct ieee80211_sub_if_data *sdata)
 359 {
 360         int ret;
 361
 362         might_sleep();
 363
 364         check_sdata_in_driver(sdata);
 365
 366         trace_drv_sched_scan_stop(local, sdata);
 367         ret = local->ops->sched_scan_stop(&local->hw, &sdata->vif);
 368         trace_drv_return_int(local, ret);
 369
 370         return ret;
 371 }
 372
 373 static inline void drv_sw_scan_start(struct ieee80211_local *local)
 374 {
 375         might_sleep();
 376
 377         trace_drv_sw_scan_start(local);
 378         if (local->ops->sw_scan_start)
 379                 local->ops->sw_scan_start(&local->hw);
 380         trace_drv_return_void(local);
 381 }
 382
 383 static inline void drv_sw_scan_complete(struct ieee80211_local *local)
 384 {
 385         might_sleep();
 386
 387         trace_drv_sw_scan_complete(local);
 388         if (local->ops->sw_scan_complete)
 389                 local->ops->sw_scan_complete(&local->hw);
 390         trace_drv_return_void(local);
 391 }
 392
 393 static inline int drv_get_stats(struct ieee80211_local *local,
 394                                 struct ieee80211_low_level_stats *stats)
 395 {
 396         int ret = -EOPNOTSUPP;
 397
 398         might_sleep();
 399
 400         if (local->ops->get_stats)
 401                 ret = local->ops->get_stats(&local->hw, stats);
 402         trace_drv_get_stats(local, stats, ret);
 403
 404         return ret;
 405 }
 406
 407 static inline void drv_get_tkip_seq(struct ieee80211_local *local,
 408                                     u8 hw_key_idx, u32 *iv32, u16 *iv16)
 409 {
 410         if (local->ops->get_tkip_seq)
 411                 local->ops->get_tkip_seq(&local->hw, hw_key_idx, iv32, iv16);
 412         trace_drv_get_tkip_seq(local, hw_key_idx, iv32, iv16);
 413 }
 414
 415 static inline int drv_set_frag_threshold(struct ieee80211_local *local,
 416                                         u32 value)
 417 {
 418         int ret = 0;
 419
 420         might_sleep();
 421
 422         trace_drv_set_frag_threshold(local, value);
 423         if (local->ops->set_frag_threshold)
 424                 ret = local->ops->set_frag_threshold(&local->hw, value);
 425         trace_drv_return_int(local, ret);
 426         return ret;
 427 }
 428
 429 static inline int drv_set_rts_threshold(struct ieee80211_local *local,
 430                                         u32 value)
 431 {
 432         int ret = 0;
 433
 434         might_sleep();
 435
 436         trace_drv_set_rts_threshold(local, value);
 437         if (local->ops->set_rts_threshold)
 438                 ret = local->ops->set_rts_threshold(&local->hw, value);
 439         trace_drv_return_int(local, ret);
 440         return ret;
 441 }
 442
 443 static inline int drv_set_coverage_class(struct ieee80211_local *local,
 444                                          u8 value)
 445 {
 446         int ret = 0;
 447         might_sleep();
 448
 449         trace_drv_set_coverage_class(local, value);
 450         if (local->ops->set_coverage_class)
 451                 local->ops->set_coverage_class(&local->hw, value);
 452         else
 453                 ret = -EOPNOTSUPP;
 454
 455         trace_drv_return_int(local, ret);
 456         return ret;
 457 }
 458
 459 static inline void drv_sta_notify(struct ieee80211_local *local,
 460                                   struct ieee80211_sub_if_data *sdata,
 461                                   enum sta_notify_cmd cmd,
 462                                   struct ieee80211_sta *sta)
 463 {
 464         sdata = get_bss_sdata(sdata);
 465         check_sdata_in_driver(sdata);
 466
 467         trace_drv_sta_notify(local, sdata, cmd, sta);
 468         if (local->ops->sta_notify)
 469                 local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta);
 470         trace_drv_return_void(local);
 471 }
 472
 473 static inline int drv_sta_add(struct ieee80211_local *local,
 474                               struct ieee80211_sub_if_data *sdata,
 475                               struct ieee80211_sta *sta)
 476 {
 477         int ret = 0;
 478
 479         might_sleep();
 480
 481         sdata = get_bss_sdata(sdata);
 482         check_sdata_in_driver(sdata);
 483
 484         trace_drv_sta_add(local, sdata, sta);
 485         if (local->ops->sta_add)
 486                 ret = local->ops->sta_add(&local->hw, &sdata->vif, sta);
 487
 488         trace_drv_return_int(local, ret);
 489
 490         return ret;
 491 }
 492
 493 static inline void drv_sta_remove(struct ieee80211_local *local,
 494                                   struct ieee80211_sub_if_data *sdata,
 495                                   struct ieee80211_sta *sta)
 496 {
 497         might_sleep();
 498
 499         sdata = get_bss_sdata(sdata);
 500         check_sdata_in_driver(sdata);
 501
 502         trace_drv_sta_remove(local, sdata, sta);
 503         if (local->ops->sta_remove)
 504                 local->ops->sta_remove(&local->hw, &sdata->vif, sta);
 505
 506         trace_drv_return_void(local);
 507 }
 508
 509 #ifdef CONFIG_MAC80211_DEBUGFS
 510 static inline void drv_sta_add_debugfs(struct ieee80211_local *local,
 511                                        struct ieee80211_sub_if_data *sdata,
 512                                        struct ieee80211_sta *sta,
 513                                        struct dentry *dir)
 514 {
 515         might_sleep();
 516
 517         sdata = get_bss_sdata(sdata);
 518         check_sdata_in_driver(sdata);
 519
 520         if (local->ops->sta_add_debugfs)
 521                 local->ops->sta_add_debugfs(&local->hw, &sdata->vif,
 522                                             sta, dir);
 523 }
 524
 525 static inline void drv_sta_remove_debugfs(struct ieee80211_local *local,
 526                                           struct ieee80211_sub_if_data *sdata,
 527                                           struct ieee80211_sta *sta,
 528                                           struct dentry *dir)
 529 {
 530         might_sleep();
 531
 532         sdata = get_bss_sdata(sdata);
 533         check_sdata_in_driver(sdata);
 534
 535         if (local->ops->sta_remove_debugfs)
 536                 local->ops->sta_remove_debugfs(&local->hw, &sdata->vif,
 537                                                sta, dir);
 538 }
 539 #endif
 540
 541 static inline void drv_sta_pre_rcu_remove(struct ieee80211_local *local,
 542                                           struct ieee80211_sub_if_data *sdata,
 543                                           struct sta_info *sta)
 544 {
 545         might_sleep();
 546
 547         sdata = get_bss_sdata(sdata);
 548         check_sdata_in_driver(sdata);
 549
 550         trace_drv_sta_pre_rcu_remove(local, sdata, &sta->sta);
 551         if (local->ops->sta_pre_rcu_remove)
 552                 local->ops->sta_pre_rcu_remove(&local->hw, &sdata->vif,
 553                                                &sta->sta);
 554         trace_drv_return_void(local);
 555 }
 556
 557 static inline __must_check
 558 int drv_sta_state(struct ieee80211_local *local,
 559                   struct ieee80211_sub_if_data *sdata,
 560                   struct sta_info *sta,
 561                   enum ieee80211_sta_state old_state,
 562                   enum ieee80211_sta_state new_state)
 563 {
 564         int ret = 0;
 565
 566         might_sleep();
 567
 568         sdata = get_bss_sdata(sdata);
 569         check_sdata_in_driver(sdata);
 570
 571         trace_drv_sta_state(local, sdata, &sta->sta, old_state, new_state);
 572         if (local->ops->sta_state) {
 573                 ret = local->ops->sta_state(&local->hw, &sdata->vif, &sta->sta,
 574                                             old_state, new_state);
 575         } else if (old_state == IEEE80211_STA_AUTH &&
 576                    new_state == IEEE80211_STA_ASSOC) {
 577                 ret = drv_sta_add(local, sdata, &sta->sta);
 578                 if (ret == 0)
 579                         sta->uploaded = true;
 580         } else if (old_state == IEEE80211_STA_ASSOC &&
 581                    new_state == IEEE80211_STA_AUTH) {
 582                 drv_sta_remove(local, sdata, &sta->sta);
 583         }
 584         trace_drv_return_int(local, ret);
 585         return ret;
 586 }
 587
 588 static inline void drv_sta_rc_update(struct ieee80211_local *local,
 589                                      struct ieee80211_sub_if_data *sdata,
 590                                      struct ieee80211_sta *sta, u32 changed)
 591 {
 592         sdata = get_bss_sdata(sdata);
 593         check_sdata_in_driver(sdata);
 594
 595         WARN_ON(changed & IEEE80211_RC_SUPP_RATES_CHANGED &&
 596                 (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
 597                  sdata->vif.type != NL80211_IFTYPE_MESH_POINT));
 598
 599         trace_drv_sta_rc_update(local, sdata, sta, changed);
 600         if (local->ops->sta_rc_update)
 601                 local->ops->sta_rc_update(&local->hw, &sdata->vif,
 602                                           sta, changed);
 603
 604         trace_drv_return_void(local);
 605 }
 606
 607 static inline int drv_conf_tx(struct ieee80211_local *local,
 608                               struct ieee80211_sub_if_data *sdata, u16 ac,
 609                               const struct ieee80211_tx_queue_params *params)
 610 {
 611         int ret = -EOPNOTSUPP;
 612
 613         might_sleep();
 614
 615         check_sdata_in_driver(sdata);
 616
 617         trace_drv_conf_tx(local, sdata, ac, params);
 618         if (local->ops->conf_tx)
 619                 ret = local->ops->conf_tx(&local->hw, &sdata->vif,
 620                                           ac, params);
 621         trace_drv_return_int(local, ret);
 622         return ret;
 623 }
 624
 625 static inline u64 drv_get_tsf(struct ieee80211_local *local,
 626                               struct ieee80211_sub_if_data *sdata)
 627 {
 628         u64 ret = -1ULL;
 629
 630         might_sleep();
 631
 632         check_sdata_in_driver(sdata);
 633
 634         trace_drv_get_tsf(local, sdata);
 635         if (local->ops->get_tsf)
 636                 ret = local->ops->get_tsf(&local->hw, &sdata->vif);
 637         trace_drv_return_u64(local, ret);
 638         return ret;
 639 }
 640
 641 static inline void drv_set_tsf(struct ieee80211_local *local,
 642                                struct ieee80211_sub_if_data *sdata,
 643                                u64 tsf)
 644 {
 645         might_sleep();
 646
 647         check_sdata_in_driver(sdata);
 648
 649         trace_drv_set_tsf(local, sdata, tsf);
 650         if (local->ops->set_tsf)
 651                 local->ops->set_tsf(&local->hw, &sdata->vif, tsf);
 652         trace_drv_return_void(local);
 653 }
 654
 655 static inline void drv_reset_tsf(struct ieee80211_local *local,
 656                                  struct ieee80211_sub_if_data *sdata)
 657 {
 658         might_sleep();
 659
 660         check_sdata_in_driver(sdata);
 661
 662         trace_drv_reset_tsf(local, sdata);
 663         if (local->ops->reset_tsf)
 664                 local->ops->reset_tsf(&local->hw, &sdata->vif);
 665         trace_drv_return_void(local);
 666 }
 667
 668 static inline int drv_tx_last_beacon(struct ieee80211_local *local)
 669 {
 670         int ret = 0; /* default unsupported op for less congestion */
 671
 672         might_sleep();
 673
 674         trace_drv_tx_last_beacon(local);
 675         if (local->ops->tx_last_beacon)
 676                 ret = local->ops->tx_last_beacon(&local->hw);
 677         trace_drv_return_int(local, ret);
 678         return ret;
 679 }
 680
 681 static inline int drv_ampdu_action(struct ieee80211_local *local,
 682                                    struct ieee80211_sub_if_data *sdata,
 683                                    enum ieee80211_ampdu_mlme_action action,
 684                                    struct ieee80211_sta *sta, u16 tid,
 685                                    u16 *ssn, u8 buf_size)
 686 {
 687         int ret = -EOPNOTSUPP;
 688
 689         might_sleep();
 690
 691         sdata = get_bss_sdata(sdata);
 692         check_sdata_in_driver(sdata);
 693
 694         trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, buf_size);
 695
 696         if (local->ops->ampdu_action)
 697                 ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
 698                                                sta, tid, ssn, buf_size);
 699
 700         trace_drv_return_int(local, ret);
 701
 702         return ret;
 703 }
 704
 705 static inline int drv_get_survey(struct ieee80211_local *local, int idx,
 706                                 struct survey_info *survey)
 707 {
 708         int ret = -EOPNOTSUPP;
 709
 710         trace_drv_get_survey(local, idx, survey);
 711
 712         if (local->ops->get_survey)
 713                 ret = local->ops->get_survey(&local->hw, idx, survey);
 714
 715         trace_drv_return_int(local, ret);
 716
 717         return ret;
 718 }
 719
 720 static inline void drv_rfkill_poll(struct ieee80211_local *local)
 721 {
 722         might_sleep();
 723
 724         if (local->ops->rfkill_poll)
 725                 local->ops->rfkill_poll(&local->hw);
 726 }
 727
 728 static inline void drv_flush(struct ieee80211_local *local,
 729                              struct ieee80211_sub_if_data *sdata,
 730                              u32 queues, bool drop)
 731 {
 732         struct ieee80211_vif *vif = sdata ? &sdata->vif : NULL;
 733
 734         might_sleep();
 735
 736         if (sdata)
 737                 check_sdata_in_driver(sdata);
 738
 739         trace_drv_flush(local, queues, drop);
 740         if (local->ops->flush)
 741                 local->ops->flush(&local->hw, vif, queues, drop);
 742         trace_drv_return_void(local);
 743 }
 744
 745 static inline void drv_channel_switch(struct ieee80211_local *local,
 746                                      struct ieee80211_channel_switch *ch_switch)
 747 {
 748         might_sleep();
 749
 750         trace_drv_channel_switch(local, ch_switch);
 751         local->ops->channel_switch(&local->hw, ch_switch);
 752         trace_drv_return_void(local);
 753 }
 754
 755
 756 static inline int drv_set_antenna(struct ieee80211_local *local,
 757                                   u32 tx_ant, u32 rx_ant)
 758 {
 759         int ret = -EOPNOTSUPP;
 760         might_sleep();
 761         if (local->ops->set_antenna)
 762                 ret = local->ops->set_antenna(&local->hw, tx_ant, rx_ant);
 763         trace_drv_set_antenna(local, tx_ant, rx_ant, ret);
 764         return ret;
 765 }
 766
 767 static inline int drv_get_antenna(struct ieee80211_local *local,
 768                                   u32 *tx_ant, u32 *rx_ant)
 769 {
 770         int ret = -EOPNOTSUPP;
 771         might_sleep();
 772         if (local->ops->get_antenna)
 773                 ret = local->ops->get_antenna(&local->hw, tx_ant, rx_ant);
 774         trace_drv_get_antenna(local, *tx_ant, *rx_ant, ret);
 775         return ret;
 776 }
 777
 778 static inline int drv_remain_on_channel(struct ieee80211_local *local,
 779                                         struct ieee80211_sub_if_data *sdata,
 780                                         struct ieee80211_channel *chan,
 781                                         unsigned int duration,
 782                                         enum ieee80211_roc_type type)
 783 {
 784         int ret;
 785
 786         might_sleep();
 787
 788         trace_drv_remain_on_channel(local, sdata, chan, duration, type);
 789         ret = local->ops->remain_on_channel(&local->hw, &sdata->vif,
 790                                             chan, duration, type);
 791         trace_drv_return_int(local, ret);
 792
 793         return ret;
 794 }
 795
 796 static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local)
 797 {
 798         int ret;
 799
 800         might_sleep();
 801
 802         trace_drv_cancel_remain_on_channel(local);
 803         ret = local->ops->cancel_remain_on_channel(&local->hw);
 804         trace_drv_return_int(local, ret);
 805
 806         return ret;
 807 }
 808
 809 static inline int drv_set_ringparam(struct ieee80211_local *local,
 810                                     u32 tx, u32 rx)
 811 {
 812         int ret = -ENOTSUPP;
 813
 814         might_sleep();
 815
 816         trace_drv_set_ringparam(local, tx, rx);
 817         if (local->ops->set_ringparam)
 818                 ret = local->ops->set_ringparam(&local->hw, tx, rx);
 819         trace_drv_return_int(local, ret);
 820
 821         return ret;
 822 }
 823
 824 static inline void drv_get_ringparam(struct ieee80211_local *local,
 825                                      u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
 826 {
 827         might_sleep();
 828
 829         trace_drv_get_ringparam(local, tx, tx_max, rx, rx_max);
 830         if (local->ops->get_ringparam)
 831                 local->ops->get_ringparam(&local->hw, tx, tx_max, rx, rx_max);
 832         trace_drv_return_void(local);
 833 }
 834
 835 static inline bool drv_tx_frames_pending(struct ieee80211_local *local)
 836 {
 837         bool ret = false;
 838
 839         might_sleep();
 840
 841         trace_drv_tx_frames_pending(local);
 842         if (local->ops->tx_frames_pending)
 843                 ret = local->ops->tx_frames_pending(&local->hw);
 844         trace_drv_return_bool(local, ret);
 845
 846         return ret;
 847 }
 848
 849 static inline int drv_set_bitrate_mask(struct ieee80211_local *local,
 850                                        struct ieee80211_sub_if_data *sdata,
 851                                        const struct cfg80211_bitrate_mask *mask)
 852 {
 853         int ret = -EOPNOTSUPP;
 854
 855         might_sleep();
 856
 857         check_sdata_in_driver(sdata);
 858
 859         trace_drv_set_bitrate_mask(local, sdata, mask);
 860         if (local->ops->set_bitrate_mask)
 861                 ret = local->ops->set_bitrate_mask(&local->hw,
 862                                                    &sdata->vif, mask);
 863         trace_drv_return_int(local, ret);
 864
 865         return ret;
 866 }
 867
 868 static inline void drv_set_rekey_data(struct ieee80211_local *local,
 869                                       struct ieee80211_sub_if_data *sdata,
 870                                       struct cfg80211_gtk_rekey_data *data)
 871 {
 872         check_sdata_in_driver(sdata);
 873
 874         trace_drv_set_rekey_data(local, sdata, data);
 875         if (local->ops->set_rekey_data)
 876                 local->ops->set_rekey_data(&local->hw, &sdata->vif, data);
 877         trace_drv_return_void(local);
 878 }
 879
 880 static inline void drv_rssi_callback(struct ieee80211_local *local,
 881                                      struct ieee80211_sub_if_data *sdata,
 882                                      const enum ieee80211_rssi_event event)
 883 {
 884         trace_drv_rssi_callback(local, sdata, event);
 885         if (local->ops->rssi_callback)
 886                 local->ops->rssi_callback(&local->hw, &sdata->vif, event);
 887         trace_drv_return_void(local);
 888 }
 889
 890 static inline void
 891 drv_release_buffered_frames(struct ieee80211_local *local,
 892                             struct sta_info *sta, u16 tids, int num_frames,
 893                             enum ieee80211_frame_release_type reason,
 894                             bool more_data)
 895 {
 896         trace_drv_release_buffered_frames(local, &sta->sta, tids, num_frames,
 897                                           reason, more_data);
 898         if (local->ops->release_buffered_frames)
 899                 local->ops->release_buffered_frames(&local->hw, &sta->sta, tids,
 900                                                     num_frames, reason,
 901                                                     more_data);
 902         trace_drv_return_void(local);
 903 }
 904
 905 static inline void
 906 drv_allow_buffered_frames(struct ieee80211_local *local,
 907                           struct sta_info *sta, u16 tids, int num_frames,
 908                           enum ieee80211_frame_release_type reason,
 909                           bool more_data)
 910 {
 911         trace_drv_allow_buffered_frames(local, &sta->sta, tids, num_frames,
 912                                         reason, more_data);
 913         if (local->ops->allow_buffered_frames)
 914                 local->ops->allow_buffered_frames(&local->hw, &sta->sta,
 915                                                   tids, num_frames, reason,
 916                                                   more_data);
 917         trace_drv_return_void(local);
 918 }
 919
 920 static inline int drv_get_rssi(struct ieee80211_local *local,
 921                                 struct ieee80211_sub_if_data *sdata,
 922                                 struct ieee80211_sta *sta,
 923                                 s8 *rssi_dbm)
 924 {
 925         int ret;
 926
 927         might_sleep();
 928
 929         ret = local->ops->get_rssi(&local->hw, &sdata->vif, sta, rssi_dbm);
 930         trace_drv_get_rssi(local, sta, *rssi_dbm, ret);
 931
 932         return ret;
 933 }
 934
 935 static inline void drv_mgd_prepare_tx(struct ieee80211_local *local,
 936                                       struct ieee80211_sub_if_data *sdata)
 937 {
 938         might_sleep();
 939
 940         check_sdata_in_driver(sdata);
 941         WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION);
 942
 943         trace_drv_mgd_prepare_tx(local, sdata);
 944         if (local->ops->mgd_prepare_tx)
 945                 local->ops->mgd_prepare_tx(&local->hw, &sdata->vif);
 946         trace_drv_return_void(local);
 947 }
 948
 949 static inline int drv_add_chanctx(struct ieee80211_local *local,
 950                                   struct ieee80211_chanctx *ctx)
 951 {
 952         int ret = -EOPNOTSUPP;
 953
 954         trace_drv_add_chanctx(local, ctx);
 955         if (local->ops->add_chanctx)
 956                 ret = local->ops->add_chanctx(&local->hw, &ctx->conf);
 957         trace_drv_return_int(local, ret);
 958         if (!ret)
 959                 ctx->driver_present = true;
 960
 961         return ret;
 962 }
 963
 964 static inline void drv_remove_chanctx(struct ieee80211_local *local,
 965                                       struct ieee80211_chanctx *ctx)
 966 {
 967         trace_drv_remove_chanctx(local, ctx);
 968         if (local->ops->remove_chanctx)
 969                 local->ops->remove_chanctx(&local->hw, &ctx->conf);
 970         trace_drv_return_void(local);
 971         ctx->driver_present = false;
 972 }
 973
 974 static inline void drv_change_chanctx(struct ieee80211_local *local,
 975                                       struct ieee80211_chanctx *ctx,
 976                                       u32 changed)
 977 {
 978         trace_drv_change_chanctx(local, ctx, changed);
 979         if (local->ops->change_chanctx) {
 980                 WARN_ON_ONCE(!ctx->driver_present);
 981                 local->ops->change_chanctx(&local->hw, &ctx->conf, changed);
 982         }
 983         trace_drv_return_void(local);
 984 }
 985
 986 static inline int drv_assign_vif_chanctx(struct ieee80211_local *local,
 987                                          struct ieee80211_sub_if_data *sdata,
 988                                          struct ieee80211_chanctx *ctx)
 989 {
 990         int ret = 0;
 991
 992         check_sdata_in_driver(sdata);
 993
 994         trace_drv_assign_vif_chanctx(local, sdata, ctx);
 995         if (local->ops->assign_vif_chanctx) {
 996                 WARN_ON_ONCE(!ctx->driver_present);
 997                 ret = local->ops->assign_vif_chanctx(&local->hw,
 998                                                      &sdata->vif,
 999                                                      &ctx->conf);
1000         }
1001         trace_drv_return_int(local, ret);
1002
1003         return ret;
1004 }
1005
1006 static inline void drv_unassign_vif_chanctx(struct ieee80211_local *local,
1007                                             struct ieee80211_sub_if_data *sdata,
1008                                             struct ieee80211_chanctx *ctx)
1009 {
1010         check_sdata_in_driver(sdata);
1011
1012         trace_drv_unassign_vif_chanctx(local, sdata, ctx);
1013         if (local->ops->unassign_vif_chanctx) {
1014                 WARN_ON_ONCE(!ctx->driver_present);
1015                 local->ops->unassign_vif_chanctx(&local->hw,
1016                                                  &sdata->vif,
1017                                                  &ctx->conf);
1018         }
1019         trace_drv_return_void(local);
1020 }
1021
1022 static inline int drv_start_ap(struct ieee80211_local *local,
1023                                struct ieee80211_sub_if_data *sdata)
1024 {
1025         int ret = 0;
1026
1027         check_sdata_in_driver(sdata);
1028
1029         trace_drv_start_ap(local, sdata, &sdata->vif.bss_conf);
1030         if (local->ops->start_ap)
1031                 ret = local->ops->start_ap(&local->hw, &sdata->vif);
1032         trace_drv_return_int(local, ret);
1033         return ret;
1034 }
1035
1036 static inline void drv_stop_ap(struct ieee80211_local *local,
1037                                struct ieee80211_sub_if_data *sdata)
1038 {
1039         check_sdata_in_driver(sdata);
1040
1041         trace_drv_stop_ap(local, sdata);
1042         if (local->ops->stop_ap)
1043                 local->ops->stop_ap(&local->hw, &sdata->vif);
1044         trace_drv_return_void(local);
1045 }
1046
1047 static inline void drv_restart_complete(struct ieee80211_local *local)
1048 {
1049         might_sleep();
1050
1051         trace_drv_restart_complete(local);
1052         if (local->ops->restart_complete)
1053                 local->ops->restart_complete(&local->hw);
1054         trace_drv_return_void(local);
1055 }
1056
1057 static inline void
1058 drv_set_default_unicast_key(struct ieee80211_local *local,
1059                             struct ieee80211_sub_if_data *sdata,
1060                             int key_idx)
1061 {
1062         check_sdata_in_driver(sdata);
1063
1064         WARN_ON_ONCE(key_idx < -1 || key_idx > 3);
1065
1066         trace_drv_set_default_unicast_key(local, sdata, key_idx);
1067         if (local->ops->set_default_unicast_key)
1068                 local->ops->set_default_unicast_key(&local->hw, &sdata->vif,
1069                                                     key_idx);
1070         trace_drv_return_void(local);
1071 }
1072
1073 #if IS_ENABLED(CONFIG_IPV6)
1074 static inline void drv_ipv6_addr_change(struct ieee80211_local *local,
1075                                         struct ieee80211_sub_if_data *sdata,
1076                                         struct inet6_dev *idev)
1077 {
1078         trace_drv_ipv6_addr_change(local, sdata);
1079         if (local->ops->ipv6_addr_change)
1080                 local->ops->ipv6_addr_change(&local->hw, &sdata->vif, idev);
1081         trace_drv_return_void(local);
1082 }
1083 #endif
1084
1085 static inline void
1086 drv_channel_switch_beacon(struct ieee80211_sub_if_data *sdata,
1087                           struct cfg80211_chan_def *chandef)
1088 {
1089         struct ieee80211_local *local = sdata->local;
1090
1091         if (local->ops->channel_switch_beacon) {
1092                 trace_drv_channel_switch_beacon(local, sdata, chandef);
1093                 local->ops->channel_switch_beacon(&local->hw, &sdata->vif,
1094                                                   chandef);
1095         }
1096 }
1097
1098 static inline int drv_join_ibss(struct ieee80211_local *local,
1099                                 struct ieee80211_sub_if_data *sdata)
1100 {
1101         int ret = 0;
1102
1103         might_sleep();
1104         check_sdata_in_driver(sdata);
1105
1106         trace_drv_join_ibss(local, sdata, &sdata->vif.bss_conf);
1107         if (local->ops->join_ibss)
1108                 ret = local->ops->join_ibss(&local->hw, &sdata->vif);
1109         trace_drv_return_int(local, ret);
1110         return ret;
1111 }
1112
1113 static inline void drv_leave_ibss(struct ieee80211_local *local,
1114                                   struct ieee80211_sub_if_data *sdata)
1115 {
1116         might_sleep();
1117         check_sdata_in_driver(sdata);
1118
1119         trace_drv_leave_ibss(local, sdata);
1120         if (local->ops->leave_ibss)
1121                 local->ops->leave_ibss(&local->hw, &sdata->vif);
1122         trace_drv_return_void(local);
1123 }
1124
1125 #endif /* __MAC80211_DRIVER_OPS */