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                 return -EINVAL;
 151
 152         trace_drv_add_interface(local, sdata);
 153         ret = local->ops->add_interface(&local->hw, &sdata->vif);
 154         trace_drv_return_int(local, ret);
 155
 156         if (ret == 0)
 157                 sdata->flags |= IEEE80211_SDATA_IN_DRIVER;
 158
 159         return ret;
 160 }
 161
 162 static inline int drv_change_interface(struct ieee80211_local *local,
 163                                        struct ieee80211_sub_if_data *sdata,
 164                                        enum nl80211_iftype type, bool p2p)
 165 {
 166         int ret;
 167
 168         might_sleep();
 169
 170         check_sdata_in_driver(sdata);
 171
 172         trace_drv_change_interface(local, sdata, type, p2p);
 173         ret = local->ops->change_interface(&local->hw, &sdata->vif, type, p2p);
 174         trace_drv_return_int(local, ret);
 175         return ret;
 176 }
 177
 178 static inline void drv_remove_interface(struct ieee80211_local *local,
 179                                         struct ieee80211_sub_if_data *sdata)
 180 {
 181         might_sleep();
 182
 183         check_sdata_in_driver(sdata);
 184
 185         trace_drv_remove_interface(local, sdata);
 186         local->ops->remove_interface(&local->hw, &sdata->vif);
 187         sdata->flags &= ~IEEE80211_SDATA_IN_DRIVER;
 188         trace_drv_return_void(local);
 189 }
 190
 191 static inline int drv_config(struct ieee80211_local *local, u32 changed)
 192 {
 193         int ret;
 194
 195         might_sleep();
 196
 197         trace_drv_config(local, changed);
 198         ret = local->ops->config(&local->hw, changed);
 199         trace_drv_return_int(local, ret);
 200         return ret;
 201 }
 202
 203 static inline void drv_bss_info_changed(struct ieee80211_local *local,
 204                                         struct ieee80211_sub_if_data *sdata,
 205                                         struct ieee80211_bss_conf *info,
 206                                         u32 changed)
 207 {
 208         might_sleep();
 209
 210         if (WARN_ON_ONCE(changed & (BSS_CHANGED_BEACON |
 211                                     BSS_CHANGED_BEACON_ENABLED) &&
 212                          sdata->vif.type != NL80211_IFTYPE_AP &&
 213                          sdata->vif.type != NL80211_IFTYPE_ADHOC &&
 214                          sdata->vif.type != NL80211_IFTYPE_MESH_POINT))
 215                 return;
 216
 217         if (WARN_ON_ONCE(sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE ||
 218                          sdata->vif.type == NL80211_IFTYPE_MONITOR))
 219                 return;
 220
 221         check_sdata_in_driver(sdata);
 222
 223         trace_drv_bss_info_changed(local, sdata, info, changed);
 224         if (local->ops->bss_info_changed)
 225                 local->ops->bss_info_changed(&local->hw, &sdata->vif, info, changed);
 226         trace_drv_return_void(local);
 227 }
 228
 229 static inline u64 drv_prepare_multicast(struct ieee80211_local *local,
 230                                         struct netdev_hw_addr_list *mc_list)
 231 {
 232         u64 ret = 0;
 233
 234         trace_drv_prepare_multicast(local, mc_list->count);
 235
 236         if (local->ops->prepare_multicast)
 237                 ret = local->ops->prepare_multicast(&local->hw, mc_list);
 238
 239         trace_drv_return_u64(local, ret);
 240
 241         return ret;
 242 }
 243
 244 static inline void drv_configure_filter(struct ieee80211_local *local,
 245                                         unsigned int changed_flags,
 246                                         unsigned int *total_flags,
 247                                         u64 multicast)
 248 {
 249         might_sleep();
 250
 251         trace_drv_configure_filter(local, changed_flags, total_flags,
 252                                    multicast);
 253         local->ops->configure_filter(&local->hw, changed_flags, total_flags,
 254                                      multicast);
 255         trace_drv_return_void(local);
 256 }
 257
 258 static inline int drv_set_tim(struct ieee80211_local *local,
 259                               struct ieee80211_sta *sta, bool set)
 260 {
 261         int ret = 0;
 262         trace_drv_set_tim(local, sta, set);
 263         if (local->ops->set_tim)
 264                 ret = local->ops->set_tim(&local->hw, sta, set);
 265         trace_drv_return_int(local, ret);
 266         return ret;
 267 }
 268
 269 static inline int drv_set_key(struct ieee80211_local *local,
 270                               enum set_key_cmd cmd,
 271                               struct ieee80211_sub_if_data *sdata,
 272                               struct ieee80211_sta *sta,
 273                               struct ieee80211_key_conf *key)
 274 {
 275         int ret;
 276
 277         might_sleep();
 278
 279         sdata = get_bss_sdata(sdata);
 280         check_sdata_in_driver(sdata);
 281
 282         trace_drv_set_key(local, cmd, sdata, sta, key);
 283         ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key);
 284         trace_drv_return_int(local, ret);
 285         return ret;
 286 }
 287
 288 static inline void drv_update_tkip_key(struct ieee80211_local *local,
 289                                        struct ieee80211_sub_if_data *sdata,
 290                                        struct ieee80211_key_conf *conf,
 291                                        struct sta_info *sta, u32 iv32,
 292                                        u16 *phase1key)
 293 {
 294         struct ieee80211_sta *ista = NULL;
 295
 296         if (sta)
 297                 ista = &sta->sta;
 298
 299         sdata = get_bss_sdata(sdata);
 300         check_sdata_in_driver(sdata);
 301
 302         trace_drv_update_tkip_key(local, sdata, conf, ista, iv32);
 303         if (local->ops->update_tkip_key)
 304                 local->ops->update_tkip_key(&local->hw, &sdata->vif, conf,
 305                                             ista, iv32, phase1key);
 306         trace_drv_return_void(local);
 307 }
 308
 309 static inline int drv_hw_scan(struct ieee80211_local *local,
 310                               struct ieee80211_sub_if_data *sdata,
 311                               struct cfg80211_scan_request *req)
 312 {
 313         int ret;
 314
 315         might_sleep();
 316
 317         check_sdata_in_driver(sdata);
 318
 319         trace_drv_hw_scan(local, sdata);
 320         ret = local->ops->hw_scan(&local->hw, &sdata->vif, req);
 321         trace_drv_return_int(local, ret);
 322         return ret;
 323 }
 324
 325 static inline void drv_cancel_hw_scan(struct ieee80211_local *local,
 326                                       struct ieee80211_sub_if_data *sdata)
 327 {
 328         might_sleep();
 329
 330         check_sdata_in_driver(sdata);
 331
 332         trace_drv_cancel_hw_scan(local, sdata);
 333         local->ops->cancel_hw_scan(&local->hw, &sdata->vif);
 334         trace_drv_return_void(local);
 335 }
 336
 337 static inline int
 338 drv_sched_scan_start(struct ieee80211_local *local,
 339                      struct ieee80211_sub_if_data *sdata,
 340                      struct cfg80211_sched_scan_request *req,
 341                      struct ieee80211_sched_scan_ies *ies)
 342 {
 343         int ret;
 344
 345         might_sleep();
 346
 347         check_sdata_in_driver(sdata);
 348
 349         trace_drv_sched_scan_start(local, sdata);
 350         ret = local->ops->sched_scan_start(&local->hw, &sdata->vif,
 351                                               req, ies);
 352         trace_drv_return_int(local, ret);
 353         return ret;
 354 }
 355
 356 static inline void drv_sched_scan_stop(struct ieee80211_local *local,
 357                                        struct ieee80211_sub_if_data *sdata)
 358 {
 359         might_sleep();
 360
 361         check_sdata_in_driver(sdata);
 362
 363         trace_drv_sched_scan_stop(local, sdata);
 364         local->ops->sched_scan_stop(&local->hw, &sdata->vif);
 365         trace_drv_return_void(local);
 366 }
 367
 368 static inline void drv_sw_scan_start(struct ieee80211_local *local)
 369 {
 370         might_sleep();
 371
 372         trace_drv_sw_scan_start(local);
 373         if (local->ops->sw_scan_start)
 374                 local->ops->sw_scan_start(&local->hw);
 375         trace_drv_return_void(local);
 376 }
 377
 378 static inline void drv_sw_scan_complete(struct ieee80211_local *local)
 379 {
 380         might_sleep();
 381
 382         trace_drv_sw_scan_complete(local);
 383         if (local->ops->sw_scan_complete)
 384                 local->ops->sw_scan_complete(&local->hw);
 385         trace_drv_return_void(local);
 386 }
 387
 388 static inline int drv_get_stats(struct ieee80211_local *local,
 389                                 struct ieee80211_low_level_stats *stats)
 390 {
 391         int ret = -EOPNOTSUPP;
 392
 393         might_sleep();
 394
 395         if (local->ops->get_stats)
 396                 ret = local->ops->get_stats(&local->hw, stats);
 397         trace_drv_get_stats(local, stats, ret);
 398
 399         return ret;
 400 }
 401
 402 static inline void drv_get_tkip_seq(struct ieee80211_local *local,
 403                                     u8 hw_key_idx, u32 *iv32, u16 *iv16)
 404 {
 405         if (local->ops->get_tkip_seq)
 406                 local->ops->get_tkip_seq(&local->hw, hw_key_idx, iv32, iv16);
 407         trace_drv_get_tkip_seq(local, hw_key_idx, iv32, iv16);
 408 }
 409
 410 static inline int drv_set_frag_threshold(struct ieee80211_local *local,
 411                                         u32 value)
 412 {
 413         int ret = 0;
 414
 415         might_sleep();
 416
 417         trace_drv_set_frag_threshold(local, value);
 418         if (local->ops->set_frag_threshold)
 419                 ret = local->ops->set_frag_threshold(&local->hw, value);
 420         trace_drv_return_int(local, ret);
 421         return ret;
 422 }
 423
 424 static inline int drv_set_rts_threshold(struct ieee80211_local *local,
 425                                         u32 value)
 426 {
 427         int ret = 0;
 428
 429         might_sleep();
 430
 431         trace_drv_set_rts_threshold(local, value);
 432         if (local->ops->set_rts_threshold)
 433                 ret = local->ops->set_rts_threshold(&local->hw, value);
 434         trace_drv_return_int(local, ret);
 435         return ret;
 436 }
 437
 438 static inline int drv_set_coverage_class(struct ieee80211_local *local,
 439                                          u8 value)
 440 {
 441         int ret = 0;
 442         might_sleep();
 443
 444         trace_drv_set_coverage_class(local, value);
 445         if (local->ops->set_coverage_class)
 446                 local->ops->set_coverage_class(&local->hw, value);
 447         else
 448                 ret = -EOPNOTSUPP;
 449
 450         trace_drv_return_int(local, ret);
 451         return ret;
 452 }
 453
 454 static inline void drv_sta_notify(struct ieee80211_local *local,
 455                                   struct ieee80211_sub_if_data *sdata,
 456                                   enum sta_notify_cmd cmd,
 457                                   struct ieee80211_sta *sta)
 458 {
 459         sdata = get_bss_sdata(sdata);
 460         check_sdata_in_driver(sdata);
 461
 462         trace_drv_sta_notify(local, sdata, cmd, sta);
 463         if (local->ops->sta_notify)
 464                 local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta);
 465         trace_drv_return_void(local);
 466 }
 467
 468 static inline int drv_sta_add(struct ieee80211_local *local,
 469                               struct ieee80211_sub_if_data *sdata,
 470                               struct ieee80211_sta *sta)
 471 {
 472         int ret = 0;
 473
 474         might_sleep();
 475
 476         sdata = get_bss_sdata(sdata);
 477         check_sdata_in_driver(sdata);
 478
 479         trace_drv_sta_add(local, sdata, sta);
 480         if (local->ops->sta_add)
 481                 ret = local->ops->sta_add(&local->hw, &sdata->vif, sta);
 482
 483         trace_drv_return_int(local, ret);
 484
 485         return ret;
 486 }
 487
 488 static inline void drv_sta_remove(struct ieee80211_local *local,
 489                                   struct ieee80211_sub_if_data *sdata,
 490                                   struct ieee80211_sta *sta)
 491 {
 492         might_sleep();
 493
 494         sdata = get_bss_sdata(sdata);
 495         check_sdata_in_driver(sdata);
 496
 497         trace_drv_sta_remove(local, sdata, sta);
 498         if (local->ops->sta_remove)
 499                 local->ops->sta_remove(&local->hw, &sdata->vif, sta);
 500
 501         trace_drv_return_void(local);
 502 }
 503
 504 #ifdef CONFIG_MAC80211_DEBUGFS
 505 static inline void drv_sta_add_debugfs(struct ieee80211_local *local,
 506                                        struct ieee80211_sub_if_data *sdata,
 507                                        struct ieee80211_sta *sta,
 508                                        struct dentry *dir)
 509 {
 510         might_sleep();
 511
 512         sdata = get_bss_sdata(sdata);
 513         check_sdata_in_driver(sdata);
 514
 515         if (local->ops->sta_add_debugfs)
 516                 local->ops->sta_add_debugfs(&local->hw, &sdata->vif,
 517                                             sta, dir);
 518 }
 519
 520 static inline void drv_sta_remove_debugfs(struct ieee80211_local *local,
 521                                           struct ieee80211_sub_if_data *sdata,
 522                                           struct ieee80211_sta *sta,
 523                                           struct dentry *dir)
 524 {
 525         might_sleep();
 526
 527         sdata = get_bss_sdata(sdata);
 528         check_sdata_in_driver(sdata);
 529
 530         if (local->ops->sta_remove_debugfs)
 531                 local->ops->sta_remove_debugfs(&local->hw, &sdata->vif,
 532                                                sta, dir);
 533 }
 534
 535 static inline
 536 void drv_add_interface_debugfs(struct ieee80211_local *local,
 537                                struct ieee80211_sub_if_data *sdata)
 538 {
 539         might_sleep();
 540
 541         check_sdata_in_driver(sdata);
 542
 543         if (!local->ops->add_interface_debugfs)
 544                 return;
 545
 546         local->ops->add_interface_debugfs(&local->hw, &sdata->vif,
 547                                           sdata->debugfs.dir);
 548 }
 549
 550 static inline
 551 void drv_remove_interface_debugfs(struct ieee80211_local *local,
 552                                   struct ieee80211_sub_if_data *sdata)
 553 {
 554         might_sleep();
 555
 556         check_sdata_in_driver(sdata);
 557
 558         if (!local->ops->remove_interface_debugfs)
 559                 return;
 560
 561         local->ops->remove_interface_debugfs(&local->hw, &sdata->vif,
 562                                              sdata->debugfs.dir);
 563 }
 564 #else
 565 static inline
 566 void drv_add_interface_debugfs(struct ieee80211_local *local,
 567                                struct ieee80211_sub_if_data *sdata) {}
 568 static inline
 569 void drv_remove_interface_debugfs(struct ieee80211_local *local,
 570                                   struct ieee80211_sub_if_data *sdata) {}
 571 #endif
 572
 573 static inline __must_check
 574 int drv_sta_state(struct ieee80211_local *local,
 575                   struct ieee80211_sub_if_data *sdata,
 576                   struct sta_info *sta,
 577                   enum ieee80211_sta_state old_state,
 578                   enum ieee80211_sta_state new_state)
 579 {
 580         int ret = 0;
 581
 582         might_sleep();
 583
 584         sdata = get_bss_sdata(sdata);
 585         check_sdata_in_driver(sdata);
 586
 587         trace_drv_sta_state(local, sdata, &sta->sta, old_state, new_state);
 588         if (local->ops->sta_state) {
 589                 ret = local->ops->sta_state(&local->hw, &sdata->vif, &sta->sta,
 590                                             old_state, new_state);
 591         } else if (old_state == IEEE80211_STA_AUTH &&
 592                    new_state == IEEE80211_STA_ASSOC) {
 593                 ret = drv_sta_add(local, sdata, &sta->sta);
 594                 if (ret == 0)
 595                         sta->uploaded = true;
 596         } else if (old_state == IEEE80211_STA_ASSOC &&
 597                    new_state == IEEE80211_STA_AUTH) {
 598                 drv_sta_remove(local, sdata, &sta->sta);
 599         }
 600         trace_drv_return_int(local, ret);
 601         return ret;
 602 }
 603
 604 static inline void drv_sta_rc_update(struct ieee80211_local *local,
 605                                      struct ieee80211_sub_if_data *sdata,
 606                                      struct ieee80211_sta *sta, u32 changed)
 607 {
 608         sdata = get_bss_sdata(sdata);
 609         check_sdata_in_driver(sdata);
 610
 611         WARN_ON(changed & IEEE80211_RC_SUPP_RATES_CHANGED &&
 612                 (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
 613                  sdata->vif.type != NL80211_IFTYPE_MESH_POINT));
 614
 615         trace_drv_sta_rc_update(local, sdata, sta, changed);
 616         if (local->ops->sta_rc_update)
 617                 local->ops->sta_rc_update(&local->hw, &sdata->vif,
 618                                           sta, changed);
 619
 620         trace_drv_return_void(local);
 621 }
 622
 623 static inline int drv_conf_tx(struct ieee80211_local *local,
 624                               struct ieee80211_sub_if_data *sdata, u16 ac,
 625                               const struct ieee80211_tx_queue_params *params)
 626 {
 627         int ret = -EOPNOTSUPP;
 628
 629         might_sleep();
 630
 631         check_sdata_in_driver(sdata);
 632
 633         trace_drv_conf_tx(local, sdata, ac, params);
 634         if (local->ops->conf_tx)
 635                 ret = local->ops->conf_tx(&local->hw, &sdata->vif,
 636                                           ac, params);
 637         trace_drv_return_int(local, ret);
 638         return ret;
 639 }
 640
 641 static inline u64 drv_get_tsf(struct ieee80211_local *local,
 642                               struct ieee80211_sub_if_data *sdata)
 643 {
 644         u64 ret = -1ULL;
 645
 646         might_sleep();
 647
 648         check_sdata_in_driver(sdata);
 649
 650         trace_drv_get_tsf(local, sdata);
 651         if (local->ops->get_tsf)
 652                 ret = local->ops->get_tsf(&local->hw, &sdata->vif);
 653         trace_drv_return_u64(local, ret);
 654         return ret;
 655 }
 656
 657 static inline void drv_set_tsf(struct ieee80211_local *local,
 658                                struct ieee80211_sub_if_data *sdata,
 659                                u64 tsf)
 660 {
 661         might_sleep();
 662
 663         check_sdata_in_driver(sdata);
 664
 665         trace_drv_set_tsf(local, sdata, tsf);
 666         if (local->ops->set_tsf)
 667                 local->ops->set_tsf(&local->hw, &sdata->vif, tsf);
 668         trace_drv_return_void(local);
 669 }
 670
 671 static inline void drv_reset_tsf(struct ieee80211_local *local,
 672                                  struct ieee80211_sub_if_data *sdata)
 673 {
 674         might_sleep();
 675
 676         check_sdata_in_driver(sdata);
 677
 678         trace_drv_reset_tsf(local, sdata);
 679         if (local->ops->reset_tsf)
 680                 local->ops->reset_tsf(&local->hw, &sdata->vif);
 681         trace_drv_return_void(local);
 682 }
 683
 684 static inline int drv_tx_last_beacon(struct ieee80211_local *local)
 685 {
 686         int ret = 0; /* default unsupported op for less congestion */
 687
 688         might_sleep();
 689
 690         trace_drv_tx_last_beacon(local);
 691         if (local->ops->tx_last_beacon)
 692                 ret = local->ops->tx_last_beacon(&local->hw);
 693         trace_drv_return_int(local, ret);
 694         return ret;
 695 }
 696
 697 static inline int drv_ampdu_action(struct ieee80211_local *local,
 698                                    struct ieee80211_sub_if_data *sdata,
 699                                    enum ieee80211_ampdu_mlme_action action,
 700                                    struct ieee80211_sta *sta, u16 tid,
 701                                    u16 *ssn, u8 buf_size)
 702 {
 703         int ret = -EOPNOTSUPP;
 704
 705         might_sleep();
 706
 707         sdata = get_bss_sdata(sdata);
 708         check_sdata_in_driver(sdata);
 709
 710         trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, buf_size);
 711
 712         if (local->ops->ampdu_action)
 713                 ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
 714                                                sta, tid, ssn, buf_size);
 715
 716         trace_drv_return_int(local, ret);
 717
 718         return ret;
 719 }
 720
 721 static inline int drv_get_survey(struct ieee80211_local *local, int idx,
 722                                 struct survey_info *survey)
 723 {
 724         int ret = -EOPNOTSUPP;
 725
 726         trace_drv_get_survey(local, idx, survey);
 727
 728         if (local->ops->get_survey)
 729                 ret = local->ops->get_survey(&local->hw, idx, survey);
 730
 731         trace_drv_return_int(local, ret);
 732
 733         return ret;
 734 }
 735
 736 static inline void drv_rfkill_poll(struct ieee80211_local *local)
 737 {
 738         might_sleep();
 739
 740         if (local->ops->rfkill_poll)
 741                 local->ops->rfkill_poll(&local->hw);
 742 }
 743
 744 static inline void drv_flush(struct ieee80211_local *local, bool drop)
 745 {
 746         might_sleep();
 747
 748         trace_drv_flush(local, drop);
 749         if (local->ops->flush)
 750                 local->ops->flush(&local->hw, drop);
 751         trace_drv_return_void(local);
 752 }
 753
 754 static inline void drv_channel_switch(struct ieee80211_local *local,
 755                                      struct ieee80211_channel_switch *ch_switch)
 756 {
 757         might_sleep();
 758
 759         trace_drv_channel_switch(local, ch_switch);
 760         local->ops->channel_switch(&local->hw, ch_switch);
 761         trace_drv_return_void(local);
 762 }
 763
 764
 765 static inline int drv_set_antenna(struct ieee80211_local *local,
 766                                   u32 tx_ant, u32 rx_ant)
 767 {
 768         int ret = -EOPNOTSUPP;
 769         might_sleep();
 770         if (local->ops->set_antenna)
 771                 ret = local->ops->set_antenna(&local->hw, tx_ant, rx_ant);
 772         trace_drv_set_antenna(local, tx_ant, rx_ant, ret);
 773         return ret;
 774 }
 775
 776 static inline int drv_get_antenna(struct ieee80211_local *local,
 777                                   u32 *tx_ant, u32 *rx_ant)
 778 {
 779         int ret = -EOPNOTSUPP;
 780         might_sleep();
 781         if (local->ops->get_antenna)
 782                 ret = local->ops->get_antenna(&local->hw, tx_ant, rx_ant);
 783         trace_drv_get_antenna(local, *tx_ant, *rx_ant, ret);
 784         return ret;
 785 }
 786
 787 static inline int drv_remain_on_channel(struct ieee80211_local *local,
 788                                         struct ieee80211_sub_if_data *sdata,
 789                                         struct ieee80211_channel *chan,
 790                                         unsigned int duration)
 791 {
 792         int ret;
 793
 794         might_sleep();
 795
 796         trace_drv_remain_on_channel(local, sdata, chan, duration);
 797         ret = local->ops->remain_on_channel(&local->hw, &sdata->vif,
 798                                             chan, duration);
 799         trace_drv_return_int(local, ret);
 800
 801         return ret;
 802 }
 803
 804 static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local)
 805 {
 806         int ret;
 807
 808         might_sleep();
 809
 810         trace_drv_cancel_remain_on_channel(local);
 811         ret = local->ops->cancel_remain_on_channel(&local->hw);
 812         trace_drv_return_int(local, ret);
 813
 814         return ret;
 815 }
 816
 817 static inline int drv_set_ringparam(struct ieee80211_local *local,
 818                                     u32 tx, u32 rx)
 819 {
 820         int ret = -ENOTSUPP;
 821
 822         might_sleep();
 823
 824         trace_drv_set_ringparam(local, tx, rx);
 825         if (local->ops->set_ringparam)
 826                 ret = local->ops->set_ringparam(&local->hw, tx, rx);
 827         trace_drv_return_int(local, ret);
 828
 829         return ret;
 830 }
 831
 832 static inline void drv_get_ringparam(struct ieee80211_local *local,
 833                                      u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
 834 {
 835         might_sleep();
 836
 837         trace_drv_get_ringparam(local, tx, tx_max, rx, rx_max);
 838         if (local->ops->get_ringparam)
 839                 local->ops->get_ringparam(&local->hw, tx, tx_max, rx, rx_max);
 840         trace_drv_return_void(local);
 841 }
 842
 843 static inline bool drv_tx_frames_pending(struct ieee80211_local *local)
 844 {
 845         bool ret = false;
 846
 847         might_sleep();
 848
 849         trace_drv_tx_frames_pending(local);
 850         if (local->ops->tx_frames_pending)
 851                 ret = local->ops->tx_frames_pending(&local->hw);
 852         trace_drv_return_bool(local, ret);
 853
 854         return ret;
 855 }
 856
 857 static inline int drv_set_bitrate_mask(struct ieee80211_local *local,
 858                                        struct ieee80211_sub_if_data *sdata,
 859                                        const struct cfg80211_bitrate_mask *mask)
 860 {
 861         int ret = -EOPNOTSUPP;
 862
 863         might_sleep();
 864
 865         check_sdata_in_driver(sdata);
 866
 867         trace_drv_set_bitrate_mask(local, sdata, mask);
 868         if (local->ops->set_bitrate_mask)
 869                 ret = local->ops->set_bitrate_mask(&local->hw,
 870                                                    &sdata->vif, mask);
 871         trace_drv_return_int(local, ret);
 872
 873         return ret;
 874 }
 875
 876 static inline void drv_set_rekey_data(struct ieee80211_local *local,
 877                                       struct ieee80211_sub_if_data *sdata,
 878                                       struct cfg80211_gtk_rekey_data *data)
 879 {
 880         check_sdata_in_driver(sdata);
 881
 882         trace_drv_set_rekey_data(local, sdata, data);
 883         if (local->ops->set_rekey_data)
 884                 local->ops->set_rekey_data(&local->hw, &sdata->vif, data);
 885         trace_drv_return_void(local);
 886 }
 887
 888 static inline void drv_rssi_callback(struct ieee80211_local *local,
 889                                      struct ieee80211_sub_if_data *sdata,
 890                                      const enum ieee80211_rssi_event event)
 891 {
 892         trace_drv_rssi_callback(local, sdata, event);
 893         if (local->ops->rssi_callback)
 894                 local->ops->rssi_callback(&local->hw, &sdata->vif, event);
 895         trace_drv_return_void(local);
 896 }
 897
 898 static inline void
 899 drv_release_buffered_frames(struct ieee80211_local *local,
 900                             struct sta_info *sta, u16 tids, int num_frames,
 901                             enum ieee80211_frame_release_type reason,
 902                             bool more_data)
 903 {
 904         trace_drv_release_buffered_frames(local, &sta->sta, tids, num_frames,
 905                                           reason, more_data);
 906         if (local->ops->release_buffered_frames)
 907                 local->ops->release_buffered_frames(&local->hw, &sta->sta, tids,
 908                                                     num_frames, reason,
 909                                                     more_data);
 910         trace_drv_return_void(local);
 911 }
 912
 913 static inline void
 914 drv_allow_buffered_frames(struct ieee80211_local *local,
 915                           struct sta_info *sta, u16 tids, int num_frames,
 916                           enum ieee80211_frame_release_type reason,
 917                           bool more_data)
 918 {
 919         trace_drv_allow_buffered_frames(local, &sta->sta, tids, num_frames,
 920                                         reason, more_data);
 921         if (local->ops->allow_buffered_frames)
 922                 local->ops->allow_buffered_frames(&local->hw, &sta->sta,
 923                                                   tids, num_frames, reason,
 924                                                   more_data);
 925         trace_drv_return_void(local);
 926 }
 927
 928 static inline int drv_get_rssi(struct ieee80211_local *local,
 929                                 struct ieee80211_sub_if_data *sdata,
 930                                 struct ieee80211_sta *sta,
 931                                 s8 *rssi_dbm)
 932 {
 933         int ret;
 934
 935         might_sleep();
 936
 937         ret = local->ops->get_rssi(&local->hw, &sdata->vif, sta, rssi_dbm);
 938         trace_drv_get_rssi(local, sta, *rssi_dbm, ret);
 939
 940         return ret;
 941 }
 942
 943 static inline void drv_mgd_prepare_tx(struct ieee80211_local *local,
 944                                       struct ieee80211_sub_if_data *sdata)
 945 {
 946         might_sleep();
 947
 948         check_sdata_in_driver(sdata);
 949         WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION);
 950
 951         trace_drv_mgd_prepare_tx(local, sdata);
 952         if (local->ops->mgd_prepare_tx)
 953                 local->ops->mgd_prepare_tx(&local->hw, &sdata->vif);
 954         trace_drv_return_void(local);
 955 }
 956
 957 static inline int drv_add_chanctx(struct ieee80211_local *local,
 958                                   struct ieee80211_chanctx *ctx)
 959 {
 960         int ret = -EOPNOTSUPP;
 961
 962         trace_drv_add_chanctx(local, ctx);
 963         if (local->ops->add_chanctx)
 964                 ret = local->ops->add_chanctx(&local->hw, &ctx->conf);
 965         trace_drv_return_int(local, ret);
 966         if (!ret)
 967                 ctx->driver_present = true;
 968
 969         return ret;
 970 }
 971
 972 static inline void drv_remove_chanctx(struct ieee80211_local *local,
 973                                       struct ieee80211_chanctx *ctx)
 974 {
 975         trace_drv_remove_chanctx(local, ctx);
 976         if (local->ops->remove_chanctx)
 977                 local->ops->remove_chanctx(&local->hw, &ctx->conf);
 978         trace_drv_return_void(local);
 979         ctx->driver_present = false;
 980 }
 981
 982 static inline void drv_change_chanctx(struct ieee80211_local *local,
 983                                       struct ieee80211_chanctx *ctx,
 984                                       u32 changed)
 985 {
 986         trace_drv_change_chanctx(local, ctx, changed);
 987         if (local->ops->change_chanctx) {
 988                 WARN_ON_ONCE(!ctx->driver_present);
 989                 local->ops->change_chanctx(&local->hw, &ctx->conf, changed);
 990         }
 991         trace_drv_return_void(local);
 992 }
 993
 994 static inline int drv_assign_vif_chanctx(struct ieee80211_local *local,
 995                                          struct ieee80211_sub_if_data *sdata,
 996                                          struct ieee80211_chanctx *ctx)
 997 {
 998         int ret = 0;
 999
1000         check_sdata_in_driver(sdata);
1001
1002         trace_drv_assign_vif_chanctx(local, sdata, ctx);
1003         if (local->ops->assign_vif_chanctx) {
1004                 WARN_ON_ONCE(!ctx->driver_present);
1005                 ret = local->ops->assign_vif_chanctx(&local->hw,
1006                                                      &sdata->vif,
1007                                                      &ctx->conf);
1008         }
1009         trace_drv_return_int(local, ret);
1010
1011         return ret;
1012 }
1013
1014 static inline void drv_unassign_vif_chanctx(struct ieee80211_local *local,
1015                                             struct ieee80211_sub_if_data *sdata,
1016                                             struct ieee80211_chanctx *ctx)
1017 {
1018         check_sdata_in_driver(sdata);
1019
1020         trace_drv_unassign_vif_chanctx(local, sdata, ctx);
1021         if (local->ops->unassign_vif_chanctx) {
1022                 WARN_ON_ONCE(!ctx->driver_present);
1023                 local->ops->unassign_vif_chanctx(&local->hw,
1024                                                  &sdata->vif,
1025                                                  &ctx->conf);
1026         }
1027         trace_drv_return_void(local);
1028 }
1029
1030 static inline int drv_start_ap(struct ieee80211_local *local,
1031                                struct ieee80211_sub_if_data *sdata)
1032 {
1033         int ret = 0;
1034
1035         check_sdata_in_driver(sdata);
1036
1037         trace_drv_start_ap(local, sdata, &sdata->vif.bss_conf);
1038         if (local->ops->start_ap)
1039                 ret = local->ops->start_ap(&local->hw, &sdata->vif);
1040         trace_drv_return_int(local, ret);
1041         return ret;
1042 }
1043
1044 static inline void drv_stop_ap(struct ieee80211_local *local,
1045                                struct ieee80211_sub_if_data *sdata)
1046 {
1047         check_sdata_in_driver(sdata);
1048
1049         trace_drv_stop_ap(local, sdata);
1050         if (local->ops->stop_ap)
1051                 local->ops->stop_ap(&local->hw, &sdata->vif);
1052         trace_drv_return_void(local);
1053 }
1054
1055 static inline void drv_restart_complete(struct ieee80211_local *local)
1056 {
1057         might_sleep();
1058
1059         trace_drv_restart_complete(local);
1060         if (local->ops->restart_complete)
1061                 local->ops->restart_complete(&local->hw);
1062         trace_drv_return_void(local);
1063 }
1064
1065 static inline void
1066 drv_set_default_unicast_key(struct ieee80211_local *local,
1067                             struct ieee80211_sub_if_data *sdata,
1068                             int key_idx)
1069 {
1070         check_sdata_in_driver(sdata);
1071
1072         WARN_ON_ONCE(key_idx < -1 || key_idx > 3);
1073
1074         trace_drv_set_default_unicast_key(local, sdata, key_idx);
1075         if (local->ops->set_default_unicast_key)
1076                 local->ops->set_default_unicast_key(&local->hw, &sdata->vif,
1077                                                     key_idx);
1078         trace_drv_return_void(local);
1079 }
1080
1081 #if IS_ENABLED(CONFIG_IPV6)
1082 static inline void drv_ipv6_addr_change(struct ieee80211_local *local,
1083                                         struct ieee80211_sub_if_data *sdata,
1084                                         struct inet6_dev *idev)
1085 {
1086         trace_drv_ipv6_addr_change(local, sdata);
1087         if (local->ops->ipv6_addr_change)
1088                 local->ops->ipv6_addr_change(&local->hw, &sdata->vif, idev);
1089         trace_drv_return_void(local);
1090 }
1091 #endif
1092
1093 #endif /* __MAC80211_DRIVER_OPS */