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