net/mac80211/driver-ops.h

   1 #ifndef __MAC80211_DRIVER_OPS
   2 #define __MAC80211_DRIVER_OPS
   3
   4 #include <net/mac80211.h>
   5 #include "ieee80211_i.h"
   6 #include "trace.h"
   7
   8 static inline bool check_sdata_in_driver(struct ieee80211_sub_if_data *sdata)
   9 {
  10         return !WARN(!(sdata->flags & IEEE80211_SDATA_IN_DRIVER),
  11                      "%s:  Failed check-sdata-in-driver check, flags: 0x%x\n",
  12                      sdata->dev ? sdata->dev->name : sdata->name, sdata->flags);
  13 }
  14
  15 static inline struct ieee80211_sub_if_data *
  16 get_bss_sdata(struct ieee80211_sub_if_data *sdata)
  17 {
  18         if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
  19                 sdata = container_of(sdata->bss, struct ieee80211_sub_if_data,
  20                                      u.ap);
  21
  22         return sdata;
  23 }
  24
  25 static inline void drv_tx(struct ieee80211_local *local,
  26                           struct ieee80211_tx_control *control,
  27                           struct sk_buff *skb)
  28 {
  29         local->ops->tx(&local->hw, control, skb);
  30 }
  31
  32 static inline void drv_get_et_strings(struct ieee80211_sub_if_data *sdata,
  33                                       u32 sset, u8 *data)
  34 {
  35         struct ieee80211_local *local = sdata->local;
  36         if (local->ops->get_et_strings) {
  37                 trace_drv_get_et_strings(local, sset);
  38                 local->ops->get_et_strings(&local->hw, &sdata->vif, sset, data);
  39                 trace_drv_return_void(local);
  40         }
  41 }
  42
  43 static inline void drv_get_et_stats(struct ieee80211_sub_if_data *sdata,
  44                                     struct ethtool_stats *stats,
  45                                     u64 *data)
  46 {
  47         struct ieee80211_local *local = sdata->local;
  48         if (local->ops->get_et_stats) {
  49                 trace_drv_get_et_stats(local);
  50                 local->ops->get_et_stats(&local->hw, &sdata->vif, stats, data);
  51                 trace_drv_return_void(local);
  52         }
  53 }
  54
  55 static inline int drv_get_et_sset_count(struct ieee80211_sub_if_data *sdata,
  56                                         int sset)
  57 {
  58         struct ieee80211_local *local = sdata->local;
  59         int rv = 0;
  60         if (local->ops->get_et_sset_count) {
  61                 trace_drv_get_et_sset_count(local, sset);
  62                 rv = local->ops->get_et_sset_count(&local->hw, &sdata->vif,
  63                                                    sset);
  64                 trace_drv_return_int(local, rv);
  65         }
  66         return rv;
  67 }
  68
  69 static inline int drv_start(struct ieee80211_local *local)
  70 {
  71         int ret;
  72
  73         might_sleep();
  74
  75         trace_drv_start(local);
  76         local->started = true;
  77         smp_mb();
  78         ret = local->ops->start(&local->hw);
  79         trace_drv_return_int(local, ret);
  80         return ret;
  81 }
  82
  83 static inline void drv_stop(struct ieee80211_local *local)
  84 {
  85         might_sleep();
  86
  87         trace_drv_stop(local);
  88         local->ops->stop(&local->hw);
  89         trace_drv_return_void(local);
  90
  91         /* sync away all work on the tasklet before clearing started */
  92         tasklet_disable(&local->tasklet);
  93         tasklet_enable(&local->tasklet);
  94
  95         barrier();
  96
  97         local->started = false;
  98 }
  99
 100 #ifdef CONFIG_PM
 101 static inline int drv_suspend(struct ieee80211_local *local,
 102                               struct cfg80211_wowlan *wowlan)
 103 {
 104         int ret;
 105
 106         might_sleep();
 107
 108         trace_drv_suspend(local);
 109         ret = local->ops->suspend(&local->hw, wowlan);
 110         trace_drv_return_int(local, ret);
 111         return ret;
 112 }
 113
 114 static inline int drv_resume(struct ieee80211_local *local)
 115 {
 116         int ret;
 117
 118         might_sleep();
 119
 120         trace_drv_resume(local);
 121         ret = local->ops->resume(&local->hw);
 122         trace_drv_return_int(local, ret);
 123         return ret;
 124 }
 125
 126 static inline void drv_set_wakeup(struct ieee80211_local *local,
 127                                   bool enabled)
 128 {
 129         might_sleep();
 130
 131         if (!local->ops->set_wakeup)
 132                 return;
 133
 134         trace_drv_set_wakeup(local, enabled);
 135         local->ops->set_wakeup(&local->hw, enabled);
 136         trace_drv_return_void(local);
 137 }
 138 #endif
 139
 140 static inline int drv_add_interface(struct ieee80211_local *local,
 141                                     struct ieee80211_sub_if_data *sdata)
 142 {
 143         int ret;
 144
 145         might_sleep();
 146
 147         if (WARN_ON(sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
 148                     (sdata->vif.type == NL80211_IFTYPE_MONITOR &&
 149                      !ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF) &&
 150                      !(sdata->u.mntr_flags & MONITOR_FLAG_ACTIVE))))
 151                 return -EINVAL;
 152
 153         trace_drv_add_interface(local, sdata);
 154         ret = local->ops->add_interface(&local->hw, &sdata->vif);
 155         trace_drv_return_int(local, ret);
 156
 157         if (ret == 0)
 158                 sdata->flags |= IEEE80211_SDATA_IN_DRIVER;
 159
 160         return ret;
 161 }
 162
 163 static inline int drv_change_interface(struct ieee80211_local *local,
 164                                        struct ieee80211_sub_if_data *sdata,
 165                                        enum nl80211_iftype type, bool p2p)
 166 {
 167         int ret;
 168
 169         might_sleep();
 170
 171         if (!check_sdata_in_driver(sdata))
 172                 return -EIO;
 173
 174         trace_drv_change_interface(local, sdata, type, p2p);
 175         ret = local->ops->change_interface(&local->hw, &sdata->vif, type, p2p);
 176         trace_drv_return_int(local, ret);
 177         return ret;
 178 }
 179
 180 static inline void drv_remove_interface(struct ieee80211_local *local,
 181                                         struct ieee80211_sub_if_data *sdata)
 182 {
 183         might_sleep();
 184
 185         if (!check_sdata_in_driver(sdata))
 186                 return;
 187
 188         trace_drv_remove_interface(local, sdata);
 189         local->ops->remove_interface(&local->hw, &sdata->vif);
 190         sdata->flags &= ~IEEE80211_SDATA_IN_DRIVER;
 191         trace_drv_return_void(local);
 192 }
 193
 194 static inline int drv_config(struct ieee80211_local *local, u32 changed)
 195 {
 196         int ret;
 197
 198         might_sleep();
 199
 200         trace_drv_config(local, changed);
 201         ret = local->ops->config(&local->hw, changed);
 202         trace_drv_return_int(local, ret);
 203         return ret;
 204 }
 205
 206 static inline void drv_bss_info_changed(struct ieee80211_local *local,
 207                                         struct ieee80211_sub_if_data *sdata,
 208                                         struct ieee80211_bss_conf *info,
 209                                         u32 changed)
 210 {
 211         might_sleep();
 212
 213         if (WARN_ON_ONCE(changed & (BSS_CHANGED_BEACON |
 214                                     BSS_CHANGED_BEACON_ENABLED) &&
 215                          sdata->vif.type != NL80211_IFTYPE_AP &&
 216                          sdata->vif.type != NL80211_IFTYPE_ADHOC &&
 217                          sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
 218                          sdata->vif.type != NL80211_IFTYPE_OCB))
 219                 return;
 220
 221         if (WARN_ON_ONCE(sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE ||
 222                          sdata->vif.type == NL80211_IFTYPE_MONITOR))
 223                 return;
 224
 225         if (!check_sdata_in_driver(sdata))
 226                 return;
 227
 228         trace_drv_bss_info_changed(local, sdata, info, changed);
 229         if (local->ops->bss_info_changed)
 230                 local->ops->bss_info_changed(&local->hw, &sdata->vif, info, changed);
 231         trace_drv_return_void(local);
 232 }
 233
 234 static inline u64 drv_prepare_multicast(struct ieee80211_local *local,
 235                                         struct netdev_hw_addr_list *mc_list)
 236 {
 237         u64 ret = 0;
 238
 239         trace_drv_prepare_multicast(local, mc_list->count);
 240
 241         if (local->ops->prepare_multicast)
 242                 ret = local->ops->prepare_multicast(&local->hw, mc_list);
 243
 244         trace_drv_return_u64(local, ret);
 245
 246         return ret;
 247 }
 248
 249 static inline void drv_configure_filter(struct ieee80211_local *local,
 250                                         unsigned int changed_flags,
 251                                         unsigned int *total_flags,
 252                                         u64 multicast)
 253 {
 254         might_sleep();
 255
 256         trace_drv_configure_filter(local, changed_flags, total_flags,
 257                                    multicast);
 258         local->ops->configure_filter(&local->hw, changed_flags, total_flags,
 259                                      multicast);
 260         trace_drv_return_void(local);
 261 }
 262
 263 static inline void drv_config_iface_filter(struct ieee80211_local *local,
 264                                            struct ieee80211_sub_if_data *sdata,
 265                                            unsigned int filter_flags,
 266                                            unsigned int changed_flags)
 267 {
 268         might_sleep();
 269
 270         trace_drv_config_iface_filter(local, sdata, filter_flags,
 271                                       changed_flags);
 272         if (local->ops->config_iface_filter)
 273                 local->ops->config_iface_filter(&local->hw, &sdata->vif,
 274                                                 filter_flags,
 275                                                 changed_flags);
 276         trace_drv_return_void(local);
 277 }
 278
 279 static inline int drv_set_tim(struct ieee80211_local *local,
 280                               struct ieee80211_sta *sta, bool set)
 281 {
 282         int ret = 0;
 283         trace_drv_set_tim(local, sta, set);
 284         if (local->ops->set_tim)
 285                 ret = local->ops->set_tim(&local->hw, sta, set);
 286         trace_drv_return_int(local, ret);
 287         return ret;
 288 }
 289
 290 static inline int drv_set_key(struct ieee80211_local *local,
 291                               enum set_key_cmd cmd,
 292                               struct ieee80211_sub_if_data *sdata,
 293                               struct ieee80211_sta *sta,
 294                               struct ieee80211_key_conf *key)
 295 {
 296         int ret;
 297
 298         might_sleep();
 299
 300         sdata = get_bss_sdata(sdata);
 301         if (!check_sdata_in_driver(sdata))
 302                 return -EIO;
 303
 304         trace_drv_set_key(local, cmd, sdata, sta, key);
 305         ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key);
 306         trace_drv_return_int(local, ret);
 307         return ret;
 308 }
 309
 310 static inline void drv_update_tkip_key(struct ieee80211_local *local,
 311                                        struct ieee80211_sub_if_data *sdata,
 312                                        struct ieee80211_key_conf *conf,
 313                                        struct sta_info *sta, u32 iv32,
 314                                        u16 *phase1key)
 315 {
 316         struct ieee80211_sta *ista = NULL;
 317
 318         if (sta)
 319                 ista = &sta->sta;
 320
 321         sdata = get_bss_sdata(sdata);
 322         if (!check_sdata_in_driver(sdata))
 323                 return;
 324
 325         trace_drv_update_tkip_key(local, sdata, conf, ista, iv32);
 326         if (local->ops->update_tkip_key)
 327                 local->ops->update_tkip_key(&local->hw, &sdata->vif, conf,
 328                                             ista, iv32, phase1key);
 329         trace_drv_return_void(local);
 330 }
 331
 332 static inline int drv_hw_scan(struct ieee80211_local *local,
 333                               struct ieee80211_sub_if_data *sdata,
 334                               struct ieee80211_scan_request *req)
 335 {
 336         int ret;
 337
 338         might_sleep();
 339
 340         if (!check_sdata_in_driver(sdata))
 341                 return -EIO;
 342
 343         trace_drv_hw_scan(local, sdata);
 344         ret = local->ops->hw_scan(&local->hw, &sdata->vif, req);
 345         trace_drv_return_int(local, ret);
 346         return ret;
 347 }
 348
 349 static inline void drv_cancel_hw_scan(struct ieee80211_local *local,
 350                                       struct ieee80211_sub_if_data *sdata)
 351 {
 352         might_sleep();
 353
 354         if (!check_sdata_in_driver(sdata))
 355                 return;
 356
 357         trace_drv_cancel_hw_scan(local, sdata);
 358         local->ops->cancel_hw_scan(&local->hw, &sdata->vif);
 359         trace_drv_return_void(local);
 360 }
 361
 362 static inline int
 363 drv_sched_scan_start(struct ieee80211_local *local,
 364                      struct ieee80211_sub_if_data *sdata,
 365                      struct cfg80211_sched_scan_request *req,
 366                      struct ieee80211_scan_ies *ies)
 367 {
 368         int ret;
 369
 370         might_sleep();
 371
 372         if (!check_sdata_in_driver(sdata))
 373                 return -EIO;
 374
 375         trace_drv_sched_scan_start(local, sdata);
 376         ret = local->ops->sched_scan_start(&local->hw, &sdata->vif,
 377                                               req, ies);
 378         trace_drv_return_int(local, ret);
 379         return ret;
 380 }
 381
 382 static inline int drv_sched_scan_stop(struct ieee80211_local *local,
 383                                       struct ieee80211_sub_if_data *sdata)
 384 {
 385         int ret;
 386
 387         might_sleep();
 388
 389         if (!check_sdata_in_driver(sdata))
 390                 return -EIO;
 391
 392         trace_drv_sched_scan_stop(local, sdata);
 393         ret = local->ops->sched_scan_stop(&local->hw, &sdata->vif);
 394         trace_drv_return_int(local, ret);
 395
 396         return ret;
 397 }
 398
 399 static inline void drv_sw_scan_start(struct ieee80211_local *local,
 400                                      struct ieee80211_sub_if_data *sdata,
 401                                      const u8 *mac_addr)
 402 {
 403         might_sleep();
 404
 405         trace_drv_sw_scan_start(local, sdata, mac_addr);
 406         if (local->ops->sw_scan_start)
 407                 local->ops->sw_scan_start(&local->hw, &sdata->vif, mac_addr);
 408         trace_drv_return_void(local);
 409 }
 410
 411 static inline void drv_sw_scan_complete(struct ieee80211_local *local,
 412                                         struct ieee80211_sub_if_data *sdata)
 413 {
 414         might_sleep();
 415
 416         trace_drv_sw_scan_complete(local, sdata);
 417         if (local->ops->sw_scan_complete)
 418                 local->ops->sw_scan_complete(&local->hw, &sdata->vif);
 419         trace_drv_return_void(local);
 420 }
 421
 422 static inline int drv_get_stats(struct ieee80211_local *local,
 423                                 struct ieee80211_low_level_stats *stats)
 424 {
 425         int ret = -EOPNOTSUPP;
 426
 427         might_sleep();
 428
 429         if (local->ops->get_stats)
 430                 ret = local->ops->get_stats(&local->hw, stats);
 431         trace_drv_get_stats(local, stats, ret);
 432
 433         return ret;
 434 }
 435
 436 static inline void drv_get_key_seq(struct ieee80211_local *local,
 437                                    struct ieee80211_key *key,
 438                                    struct ieee80211_key_seq *seq)
 439 {
 440         if (local->ops->get_key_seq)
 441                 local->ops->get_key_seq(&local->hw, &key->conf, seq);
 442         trace_drv_get_key_seq(local, &key->conf);
 443 }
 444
 445 static inline int drv_set_frag_threshold(struct ieee80211_local *local,
 446                                         u32 value)
 447 {
 448         int ret = 0;
 449
 450         might_sleep();
 451
 452         trace_drv_set_frag_threshold(local, value);
 453         if (local->ops->set_frag_threshold)
 454                 ret = local->ops->set_frag_threshold(&local->hw, value);
 455         trace_drv_return_int(local, ret);
 456         return ret;
 457 }
 458
 459 static inline int drv_set_rts_threshold(struct ieee80211_local *local,
 460                                         u32 value)
 461 {
 462         int ret = 0;
 463
 464         might_sleep();
 465
 466         trace_drv_set_rts_threshold(local, value);
 467         if (local->ops->set_rts_threshold)
 468                 ret = local->ops->set_rts_threshold(&local->hw, value);
 469         trace_drv_return_int(local, ret);
 470         return ret;
 471 }
 472
 473 static inline int drv_set_coverage_class(struct ieee80211_local *local,
 474                                          s16 value)
 475 {
 476         int ret = 0;
 477         might_sleep();
 478
 479         trace_drv_set_coverage_class(local, value);
 480         if (local->ops->set_coverage_class)
 481                 local->ops->set_coverage_class(&local->hw, value);
 482         else
 483                 ret = -EOPNOTSUPP;
 484
 485         trace_drv_return_int(local, ret);
 486         return ret;
 487 }
 488
 489 static inline void drv_sta_notify(struct ieee80211_local *local,
 490                                   struct ieee80211_sub_if_data *sdata,
 491                                   enum sta_notify_cmd cmd,
 492                                   struct ieee80211_sta *sta)
 493 {
 494         sdata = get_bss_sdata(sdata);
 495         if (!check_sdata_in_driver(sdata))
 496                 return;
 497
 498         trace_drv_sta_notify(local, sdata, cmd, sta);
 499         if (local->ops->sta_notify)
 500                 local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta);
 501         trace_drv_return_void(local);
 502 }
 503
 504 static inline int drv_sta_add(struct ieee80211_local *local,
 505                               struct ieee80211_sub_if_data *sdata,
 506                               struct ieee80211_sta *sta)
 507 {
 508         int ret = 0;
 509
 510         might_sleep();
 511
 512         sdata = get_bss_sdata(sdata);
 513         if (!check_sdata_in_driver(sdata))
 514                 return -EIO;
 515
 516         trace_drv_sta_add(local, sdata, sta);
 517         if (local->ops->sta_add)
 518                 ret = local->ops->sta_add(&local->hw, &sdata->vif, sta);
 519
 520         trace_drv_return_int(local, ret);
 521
 522         return ret;
 523 }
 524
 525 static inline void drv_sta_remove(struct ieee80211_local *local,
 526                                   struct ieee80211_sub_if_data *sdata,
 527                                   struct ieee80211_sta *sta)
 528 {
 529         might_sleep();
 530
 531         sdata = get_bss_sdata(sdata);
 532         if (!check_sdata_in_driver(sdata))
 533                 return;
 534
 535         trace_drv_sta_remove(local, sdata, sta);
 536         if (local->ops->sta_remove)
 537                 local->ops->sta_remove(&local->hw, &sdata->vif, sta);
 538
 539         trace_drv_return_void(local);
 540 }
 541
 542 #ifdef CONFIG_MAC80211_DEBUGFS
 543 static inline void drv_sta_add_debugfs(struct ieee80211_local *local,
 544                                        struct ieee80211_sub_if_data *sdata,
 545                                        struct ieee80211_sta *sta,
 546                                        struct dentry *dir)
 547 {
 548         might_sleep();
 549
 550         sdata = get_bss_sdata(sdata);
 551         if (!check_sdata_in_driver(sdata))
 552                 return;
 553
 554         if (local->ops->sta_add_debugfs)
 555                 local->ops->sta_add_debugfs(&local->hw, &sdata->vif,
 556                                             sta, dir);
 557 }
 558
 559 static inline void drv_sta_remove_debugfs(struct ieee80211_local *local,
 560                                           struct ieee80211_sub_if_data *sdata,
 561                                           struct ieee80211_sta *sta,
 562                                           struct dentry *dir)
 563 {
 564         might_sleep();
 565
 566         sdata = get_bss_sdata(sdata);
 567         check_sdata_in_driver(sdata);
 568
 569         if (local->ops->sta_remove_debugfs)
 570                 local->ops->sta_remove_debugfs(&local->hw, &sdata->vif,
 571                                                sta, dir);
 572 }
 573 #endif
 574
 575 static inline void drv_sta_pre_rcu_remove(struct ieee80211_local *local,
 576                                           struct ieee80211_sub_if_data *sdata,
 577                                           struct sta_info *sta)
 578 {
 579         might_sleep();
 580
 581         sdata = get_bss_sdata(sdata);
 582         if (!check_sdata_in_driver(sdata))
 583                 return;
 584
 585         trace_drv_sta_pre_rcu_remove(local, sdata, &sta->sta);
 586         if (local->ops->sta_pre_rcu_remove)
 587                 local->ops->sta_pre_rcu_remove(&local->hw, &sdata->vif,
 588                                                &sta->sta);
 589         trace_drv_return_void(local);
 590 }
 591
 592 __must_check
 593 int drv_sta_state(struct ieee80211_local *local,
 594                   struct ieee80211_sub_if_data *sdata,
 595                   struct sta_info *sta,
 596                   enum ieee80211_sta_state old_state,
 597                   enum ieee80211_sta_state new_state);
 598
 599 void drv_sta_rc_update(struct ieee80211_local *local,
 600                        struct ieee80211_sub_if_data *sdata,
 601                        struct ieee80211_sta *sta, u32 changed);
 602
 603 static inline void drv_sta_rate_tbl_update(struct ieee80211_local *local,
 604                                            struct ieee80211_sub_if_data *sdata,
 605                                            struct ieee80211_sta *sta)
 606 {
 607         sdata = get_bss_sdata(sdata);
 608         if (!check_sdata_in_driver(sdata))
 609                 return;
 610
 611         trace_drv_sta_rate_tbl_update(local, sdata, sta);
 612         if (local->ops->sta_rate_tbl_update)
 613                 local->ops->sta_rate_tbl_update(&local->hw, &sdata->vif, sta);
 614
 615         trace_drv_return_void(local);
 616 }
 617
 618 static inline void drv_sta_statistics(struct ieee80211_local *local,
 619                                       struct ieee80211_sub_if_data *sdata,
 620                                       struct ieee80211_sta *sta,
 621                                       struct station_info *sinfo)
 622 {
 623         sdata = get_bss_sdata(sdata);
 624         if (!check_sdata_in_driver(sdata))
 625                 return;
 626
 627         trace_drv_sta_statistics(local, sdata, sta);
 628         if (local->ops->sta_statistics)
 629                 local->ops->sta_statistics(&local->hw, &sdata->vif, sta, sinfo);
 630         trace_drv_return_void(local);
 631 }
 632
 633 int drv_conf_tx(struct ieee80211_local *local,
 634                 struct ieee80211_sub_if_data *sdata, u16 ac,
 635                 const struct ieee80211_tx_queue_params *params);
 636
 637 static inline u64 drv_get_tsf(struct ieee80211_local *local,
 638                               struct ieee80211_sub_if_data *sdata)
 639 {
 640         u64 ret = -1ULL;
 641
 642         might_sleep();
 643
 644         if (!check_sdata_in_driver(sdata))
 645                 return ret;
 646
 647         trace_drv_get_tsf(local, sdata);
 648         if (local->ops->get_tsf)
 649                 ret = local->ops->get_tsf(&local->hw, &sdata->vif);
 650         trace_drv_return_u64(local, ret);
 651         return ret;
 652 }
 653
 654 static inline void drv_set_tsf(struct ieee80211_local *local,
 655                                struct ieee80211_sub_if_data *sdata,
 656                                u64 tsf)
 657 {
 658         might_sleep();
 659
 660         if (!check_sdata_in_driver(sdata))
 661                 return;
 662
 663         trace_drv_set_tsf(local, sdata, tsf);
 664         if (local->ops->set_tsf)
 665                 local->ops->set_tsf(&local->hw, &sdata->vif, tsf);
 666         trace_drv_return_void(local);
 667 }
 668
 669 static inline void drv_reset_tsf(struct ieee80211_local *local,
 670                                  struct ieee80211_sub_if_data *sdata)
 671 {
 672         might_sleep();
 673
 674         if (!check_sdata_in_driver(sdata))
 675                 return;
 676
 677         trace_drv_reset_tsf(local, sdata);
 678         if (local->ops->reset_tsf)
 679                 local->ops->reset_tsf(&local->hw, &sdata->vif);
 680         trace_drv_return_void(local);
 681 }
 682
 683 static inline int drv_tx_last_beacon(struct ieee80211_local *local)
 684 {
 685         int ret = 0; /* default unsupported op for less congestion */
 686
 687         might_sleep();
 688
 689         trace_drv_tx_last_beacon(local);
 690         if (local->ops->tx_last_beacon)
 691                 ret = local->ops->tx_last_beacon(&local->hw);
 692         trace_drv_return_int(local, ret);
 693         return ret;
 694 }
 695
 696 static inline int drv_ampdu_action(struct ieee80211_local *local,
 697                                    struct ieee80211_sub_if_data *sdata,
 698                                    enum ieee80211_ampdu_mlme_action action,
 699                                    struct ieee80211_sta *sta, u16 tid,
 700                                    u16 *ssn, u8 buf_size, bool amsdu)
 701 {
 702         int ret = -EOPNOTSUPP;
 703
 704         might_sleep();
 705
 706         sdata = get_bss_sdata(sdata);
 707         if (!check_sdata_in_driver(sdata))
 708                 return -EIO;
 709
 710         trace_drv_ampdu_action(local, sdata, action, sta, tid,
 711                                ssn, buf_size, amsdu);
 712
 713         if (local->ops->ampdu_action)
 714                 ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
 715                                                sta, tid, ssn, buf_size, amsdu);
 716
 717         trace_drv_return_int(local, ret);
 718
 719         return ret;
 720 }
 721
 722 static inline int drv_get_survey(struct ieee80211_local *local, int idx,
 723                                 struct survey_info *survey)
 724 {
 725         int ret = -EOPNOTSUPP;
 726
 727         trace_drv_get_survey(local, idx, survey);
 728
 729         if (local->ops->get_survey)
 730                 ret = local->ops->get_survey(&local->hw, idx, survey);
 731
 732         trace_drv_return_int(local, ret);
 733
 734         return ret;
 735 }
 736
 737 static inline void drv_rfkill_poll(struct ieee80211_local *local)
 738 {
 739         might_sleep();
 740
 741         if (local->ops->rfkill_poll)
 742                 local->ops->rfkill_poll(&local->hw);
 743 }
 744
 745 static inline void drv_flush(struct ieee80211_local *local,
 746                              struct ieee80211_sub_if_data *sdata,
 747                              u32 queues, bool drop)
 748 {
 749         struct ieee80211_vif *vif = sdata ? &sdata->vif : NULL;
 750
 751         might_sleep();
 752
 753         if (sdata && !check_sdata_in_driver(sdata))
 754                 return;
 755
 756         trace_drv_flush(local, queues, drop);
 757         if (local->ops->flush)
 758                 local->ops->flush(&local->hw, vif, queues, drop);
 759         trace_drv_return_void(local);
 760 }
 761
 762 static inline void drv_channel_switch(struct ieee80211_local *local,
 763                                       struct ieee80211_sub_if_data *sdata,
 764                                       struct ieee80211_channel_switch *ch_switch)
 765 {
 766         might_sleep();
 767
 768         trace_drv_channel_switch(local, sdata, ch_switch);
 769         local->ops->channel_switch(&local->hw, &sdata->vif, ch_switch);
 770         trace_drv_return_void(local);
 771 }
 772
 773
 774 static inline int drv_set_antenna(struct ieee80211_local *local,
 775                                   u32 tx_ant, u32 rx_ant)
 776 {
 777         int ret = -EOPNOTSUPP;
 778         might_sleep();
 779         if (local->ops->set_antenna)
 780                 ret = local->ops->set_antenna(&local->hw, tx_ant, rx_ant);
 781         trace_drv_set_antenna(local, tx_ant, rx_ant, ret);
 782         return ret;
 783 }
 784
 785 static inline int drv_get_antenna(struct ieee80211_local *local,
 786                                   u32 *tx_ant, u32 *rx_ant)
 787 {
 788         int ret = -EOPNOTSUPP;
 789         might_sleep();
 790         if (local->ops->get_antenna)
 791                 ret = local->ops->get_antenna(&local->hw, tx_ant, rx_ant);
 792         trace_drv_get_antenna(local, *tx_ant, *rx_ant, ret);
 793         return ret;
 794 }
 795
 796 static inline int drv_remain_on_channel(struct ieee80211_local *local,
 797                                         struct ieee80211_sub_if_data *sdata,
 798                                         struct ieee80211_channel *chan,
 799                                         unsigned int duration,
 800                                         enum ieee80211_roc_type type)
 801 {
 802         int ret;
 803
 804         might_sleep();
 805
 806         trace_drv_remain_on_channel(local, sdata, chan, duration, type);
 807         ret = local->ops->remain_on_channel(&local->hw, &sdata->vif,
 808                                             chan, duration, type);
 809         trace_drv_return_int(local, ret);
 810
 811         return ret;
 812 }
 813
 814 static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local)
 815 {
 816         int ret;
 817
 818         might_sleep();
 819
 820         trace_drv_cancel_remain_on_channel(local);
 821         ret = local->ops->cancel_remain_on_channel(&local->hw);
 822         trace_drv_return_int(local, ret);
 823
 824         return ret;
 825 }
 826
 827 static inline int drv_set_ringparam(struct ieee80211_local *local,
 828                                     u32 tx, u32 rx)
 829 {
 830         int ret = -ENOTSUPP;
 831
 832         might_sleep();
 833
 834         trace_drv_set_ringparam(local, tx, rx);
 835         if (local->ops->set_ringparam)
 836                 ret = local->ops->set_ringparam(&local->hw, tx, rx);
 837         trace_drv_return_int(local, ret);
 838
 839         return ret;
 840 }
 841
 842 static inline void drv_get_ringparam(struct ieee80211_local *local,
 843                                      u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
 844 {
 845         might_sleep();
 846
 847         trace_drv_get_ringparam(local, tx, tx_max, rx, rx_max);
 848         if (local->ops->get_ringparam)
 849                 local->ops->get_ringparam(&local->hw, tx, tx_max, rx, rx_max);
 850         trace_drv_return_void(local);
 851 }
 852
 853 static inline bool drv_tx_frames_pending(struct ieee80211_local *local)
 854 {
 855         bool ret = false;
 856
 857         might_sleep();
 858
 859         trace_drv_tx_frames_pending(local);
 860         if (local->ops->tx_frames_pending)
 861                 ret = local->ops->tx_frames_pending(&local->hw);
 862         trace_drv_return_bool(local, ret);
 863
 864         return ret;
 865 }
 866
 867 static inline int drv_set_bitrate_mask(struct ieee80211_local *local,
 868                                        struct ieee80211_sub_if_data *sdata,
 869                                        const struct cfg80211_bitrate_mask *mask)
 870 {
 871         int ret = -EOPNOTSUPP;
 872
 873         might_sleep();
 874
 875         if (!check_sdata_in_driver(sdata))
 876                 return -EIO;
 877
 878         trace_drv_set_bitrate_mask(local, sdata, mask);
 879         if (local->ops->set_bitrate_mask)
 880                 ret = local->ops->set_bitrate_mask(&local->hw,
 881                                                    &sdata->vif, mask);
 882         trace_drv_return_int(local, ret);
 883
 884         return ret;
 885 }
 886
 887 static inline void drv_set_rekey_data(struct ieee80211_local *local,
 888                                       struct ieee80211_sub_if_data *sdata,
 889                                       struct cfg80211_gtk_rekey_data *data)
 890 {
 891         if (!check_sdata_in_driver(sdata))
 892                 return;
 893
 894         trace_drv_set_rekey_data(local, sdata, data);
 895         if (local->ops->set_rekey_data)
 896                 local->ops->set_rekey_data(&local->hw, &sdata->vif, data);
 897         trace_drv_return_void(local);
 898 }
 899
 900 static inline void drv_event_callback(struct ieee80211_local *local,
 901                                       struct ieee80211_sub_if_data *sdata,
 902                                       const struct ieee80211_event *event)
 903 {
 904         trace_drv_event_callback(local, sdata, event);
 905         if (local->ops->event_callback)
 906                 local->ops->event_callback(&local->hw, &sdata->vif, event);
 907         trace_drv_return_void(local);
 908 }
 909
 910 static inline void
 911 drv_release_buffered_frames(struct ieee80211_local *local,
 912                             struct sta_info *sta, u16 tids, int num_frames,
 913                             enum ieee80211_frame_release_type reason,
 914                             bool more_data)
 915 {
 916         trace_drv_release_buffered_frames(local, &sta->sta, tids, num_frames,
 917                                           reason, more_data);
 918         if (local->ops->release_buffered_frames)
 919                 local->ops->release_buffered_frames(&local->hw, &sta->sta, tids,
 920                                                     num_frames, reason,
 921                                                     more_data);
 922         trace_drv_return_void(local);
 923 }
 924
 925 static inline void
 926 drv_allow_buffered_frames(struct ieee80211_local *local,
 927                           struct sta_info *sta, u16 tids, int num_frames,
 928                           enum ieee80211_frame_release_type reason,
 929                           bool more_data)
 930 {
 931         trace_drv_allow_buffered_frames(local, &sta->sta, tids, num_frames,
 932                                         reason, more_data);
 933         if (local->ops->allow_buffered_frames)
 934                 local->ops->allow_buffered_frames(&local->hw, &sta->sta,
 935                                                   tids, num_frames, reason,
 936                                                   more_data);
 937         trace_drv_return_void(local);
 938 }
 939
 940 static inline void drv_mgd_prepare_tx(struct ieee80211_local *local,
 941                                       struct ieee80211_sub_if_data *sdata)
 942 {
 943         might_sleep();
 944
 945         if (!check_sdata_in_driver(sdata))
 946                 return;
 947         WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION);
 948
 949         trace_drv_mgd_prepare_tx(local, sdata);
 950         if (local->ops->mgd_prepare_tx)
 951                 local->ops->mgd_prepare_tx(&local->hw, &sdata->vif);
 952         trace_drv_return_void(local);
 953 }
 954
 955 static inline void
 956 drv_mgd_protect_tdls_discover(struct ieee80211_local *local,
 957                               struct ieee80211_sub_if_data *sdata)
 958 {
 959         might_sleep();
 960
 961         if (!check_sdata_in_driver(sdata))
 962                 return;
 963         WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION);
 964
 965         trace_drv_mgd_protect_tdls_discover(local, sdata);
 966         if (local->ops->mgd_protect_tdls_discover)
 967                 local->ops->mgd_protect_tdls_discover(&local->hw, &sdata->vif);
 968         trace_drv_return_void(local);
 969 }
 970
 971 static inline int drv_add_chanctx(struct ieee80211_local *local,
 972                                   struct ieee80211_chanctx *ctx)
 973 {
 974         int ret = -EOPNOTSUPP;
 975
 976         trace_drv_add_chanctx(local, ctx);
 977         if (local->ops->add_chanctx)
 978                 ret = local->ops->add_chanctx(&local->hw, &ctx->conf);
 979         trace_drv_return_int(local, ret);
 980         if (!ret)
 981                 ctx->driver_present = true;
 982
 983         return ret;
 984 }
 985
 986 static inline void drv_remove_chanctx(struct ieee80211_local *local,
 987                                       struct ieee80211_chanctx *ctx)
 988 {
 989         if (WARN_ON(!ctx->driver_present))
 990                 return;
 991
 992         trace_drv_remove_chanctx(local, ctx);
 993         if (local->ops->remove_chanctx)
 994                 local->ops->remove_chanctx(&local->hw, &ctx->conf);
 995         trace_drv_return_void(local);
 996         ctx->driver_present = false;
 997 }
 998
 999 static inline void drv_change_chanctx(struct ieee80211_local *local,
1000                                       struct ieee80211_chanctx *ctx,
1001                                       u32 changed)
1002 {
1003         trace_drv_change_chanctx(local, ctx, changed);
1004         if (local->ops->change_chanctx) {
1005                 WARN_ON_ONCE(!ctx->driver_present);
1006                 local->ops->change_chanctx(&local->hw, &ctx->conf, changed);
1007         }
1008         trace_drv_return_void(local);
1009 }
1010
1011 static inline int drv_assign_vif_chanctx(struct ieee80211_local *local,
1012                                          struct ieee80211_sub_if_data *sdata,
1013                                          struct ieee80211_chanctx *ctx)
1014 {
1015         int ret = 0;
1016
1017         if (!check_sdata_in_driver(sdata))
1018                 return -EIO;
1019
1020         trace_drv_assign_vif_chanctx(local, sdata, ctx);
1021         if (local->ops->assign_vif_chanctx) {
1022                 WARN_ON_ONCE(!ctx->driver_present);
1023                 ret = local->ops->assign_vif_chanctx(&local->hw,
1024                                                      &sdata->vif,
1025                                                      &ctx->conf);
1026         }
1027         trace_drv_return_int(local, ret);
1028
1029         return ret;
1030 }
1031
1032 static inline void drv_unassign_vif_chanctx(struct ieee80211_local *local,
1033                                             struct ieee80211_sub_if_data *sdata,
1034                                             struct ieee80211_chanctx *ctx)
1035 {
1036         if (!check_sdata_in_driver(sdata))
1037                 return;
1038
1039         trace_drv_unassign_vif_chanctx(local, sdata, ctx);
1040         if (local->ops->unassign_vif_chanctx) {
1041                 WARN_ON_ONCE(!ctx->driver_present);
1042                 local->ops->unassign_vif_chanctx(&local->hw,
1043                                                  &sdata->vif,
1044                                                  &ctx->conf);
1045         }
1046         trace_drv_return_void(local);
1047 }
1048
1049 static inline int
1050 drv_switch_vif_chanctx(struct ieee80211_local *local,
1051                        struct ieee80211_vif_chanctx_switch *vifs,
1052                        int n_vifs,
1053                        enum ieee80211_chanctx_switch_mode mode)
1054 {
1055         int ret = 0;
1056         int i;
1057
1058         if (!local->ops->switch_vif_chanctx)
1059                 return -EOPNOTSUPP;
1060
1061         for (i = 0; i < n_vifs; i++) {
1062                 struct ieee80211_chanctx *new_ctx =
1063                         container_of(vifs[i].new_ctx,
1064                                      struct ieee80211_chanctx,
1065                                      conf);
1066                 struct ieee80211_chanctx *old_ctx =
1067                         container_of(vifs[i].old_ctx,
1068                                      struct ieee80211_chanctx,
1069                                      conf);
1070
1071                 WARN_ON_ONCE(!old_ctx->driver_present);
1072                 WARN_ON_ONCE((mode == CHANCTX_SWMODE_SWAP_CONTEXTS &&
1073                               new_ctx->driver_present) ||
1074                              (mode == CHANCTX_SWMODE_REASSIGN_VIF &&
1075                               !new_ctx->driver_present));
1076         }
1077
1078         trace_drv_switch_vif_chanctx(local, vifs, n_vifs, mode);
1079         ret = local->ops->switch_vif_chanctx(&local->hw,
1080                                              vifs, n_vifs, mode);
1081         trace_drv_return_int(local, ret);
1082
1083         if (!ret && mode == CHANCTX_SWMODE_SWAP_CONTEXTS) {
1084                 for (i = 0; i < n_vifs; i++) {
1085                         struct ieee80211_chanctx *new_ctx =
1086                                 container_of(vifs[i].new_ctx,
1087                                              struct ieee80211_chanctx,
1088                                              conf);
1089                         struct ieee80211_chanctx *old_ctx =
1090                                 container_of(vifs[i].old_ctx,
1091                                              struct ieee80211_chanctx,
1092                                              conf);
1093
1094                         new_ctx->driver_present = true;
1095                         old_ctx->driver_present = false;
1096                 }
1097         }
1098
1099         return ret;
1100 }
1101
1102 static inline int drv_start_ap(struct ieee80211_local *local,
1103                                struct ieee80211_sub_if_data *sdata)
1104 {
1105         int ret = 0;
1106
1107         if (!check_sdata_in_driver(sdata))
1108                 return -EIO;
1109
1110         trace_drv_start_ap(local, sdata, &sdata->vif.bss_conf);
1111         if (local->ops->start_ap)
1112                 ret = local->ops->start_ap(&local->hw, &sdata->vif);
1113         trace_drv_return_int(local, ret);
1114         return ret;
1115 }
1116
1117 static inline void drv_stop_ap(struct ieee80211_local *local,
1118                                struct ieee80211_sub_if_data *sdata)
1119 {
1120         if (!check_sdata_in_driver(sdata))
1121                 return;
1122
1123         trace_drv_stop_ap(local, sdata);
1124         if (local->ops->stop_ap)
1125                 local->ops->stop_ap(&local->hw, &sdata->vif);
1126         trace_drv_return_void(local);
1127 }
1128
1129 static inline void
1130 drv_reconfig_complete(struct ieee80211_local *local,
1131                       enum ieee80211_reconfig_type reconfig_type)
1132 {
1133         might_sleep();
1134
1135         trace_drv_reconfig_complete(local, reconfig_type);
1136         if (local->ops->reconfig_complete)
1137                 local->ops->reconfig_complete(&local->hw, reconfig_type);
1138         trace_drv_return_void(local);
1139 }
1140
1141 static inline void
1142 drv_set_default_unicast_key(struct ieee80211_local *local,
1143                             struct ieee80211_sub_if_data *sdata,
1144                             int key_idx)
1145 {
1146         if (!check_sdata_in_driver(sdata))
1147                 return;
1148
1149         WARN_ON_ONCE(key_idx < -1 || key_idx > 3);
1150
1151         trace_drv_set_default_unicast_key(local, sdata, key_idx);
1152         if (local->ops->set_default_unicast_key)
1153                 local->ops->set_default_unicast_key(&local->hw, &sdata->vif,
1154                                                     key_idx);
1155         trace_drv_return_void(local);
1156 }
1157
1158 #if IS_ENABLED(CONFIG_IPV6)
1159 static inline void drv_ipv6_addr_change(struct ieee80211_local *local,
1160                                         struct ieee80211_sub_if_data *sdata,
1161                                         struct inet6_dev *idev)
1162 {
1163         trace_drv_ipv6_addr_change(local, sdata);
1164         if (local->ops->ipv6_addr_change)
1165                 local->ops->ipv6_addr_change(&local->hw, &sdata->vif, idev);
1166         trace_drv_return_void(local);
1167 }
1168 #endif
1169
1170 static inline void
1171 drv_channel_switch_beacon(struct ieee80211_sub_if_data *sdata,
1172                           struct cfg80211_chan_def *chandef)
1173 {
1174         struct ieee80211_local *local = sdata->local;
1175
1176         if (local->ops->channel_switch_beacon) {
1177                 trace_drv_channel_switch_beacon(local, sdata, chandef);
1178                 local->ops->channel_switch_beacon(&local->hw, &sdata->vif,
1179                                                   chandef);
1180         }
1181 }
1182
1183 static inline int
1184 drv_pre_channel_switch(struct ieee80211_sub_if_data *sdata,
1185                        struct ieee80211_channel_switch *ch_switch)
1186 {
1187         struct ieee80211_local *local = sdata->local;
1188         int ret = 0;
1189
1190         if (!check_sdata_in_driver(sdata))
1191                 return -EIO;
1192
1193         trace_drv_pre_channel_switch(local, sdata, ch_switch);
1194         if (local->ops->pre_channel_switch)
1195                 ret = local->ops->pre_channel_switch(&local->hw, &sdata->vif,
1196                                                      ch_switch);
1197         trace_drv_return_int(local, ret);
1198         return ret;
1199 }
1200
1201 static inline int
1202 drv_post_channel_switch(struct ieee80211_sub_if_data *sdata)
1203 {
1204         struct ieee80211_local *local = sdata->local;
1205         int ret = 0;
1206
1207         if (!check_sdata_in_driver(sdata))
1208                 return -EIO;
1209
1210         trace_drv_post_channel_switch(local, sdata);
1211         if (local->ops->post_channel_switch)
1212                 ret = local->ops->post_channel_switch(&local->hw, &sdata->vif);
1213         trace_drv_return_int(local, ret);
1214         return ret;
1215 }
1216
1217 static inline int drv_join_ibss(struct ieee80211_local *local,
1218                                 struct ieee80211_sub_if_data *sdata)
1219 {
1220         int ret = 0;
1221
1222         might_sleep();
1223         if (!check_sdata_in_driver(sdata))
1224                 return -EIO;
1225
1226         trace_drv_join_ibss(local, sdata, &sdata->vif.bss_conf);
1227         if (local->ops->join_ibss)
1228                 ret = local->ops->join_ibss(&local->hw, &sdata->vif);
1229         trace_drv_return_int(local, ret);
1230         return ret;
1231 }
1232
1233 static inline void drv_leave_ibss(struct ieee80211_local *local,
1234                                   struct ieee80211_sub_if_data *sdata)
1235 {
1236         might_sleep();
1237         if (!check_sdata_in_driver(sdata))
1238                 return;
1239
1240         trace_drv_leave_ibss(local, sdata);
1241         if (local->ops->leave_ibss)
1242                 local->ops->leave_ibss(&local->hw, &sdata->vif);
1243         trace_drv_return_void(local);
1244 }
1245
1246 static inline u32 drv_get_expected_throughput(struct ieee80211_local *local,
1247                                               struct ieee80211_sta *sta)
1248 {
1249         u32 ret = 0;
1250
1251         trace_drv_get_expected_throughput(sta);
1252         if (local->ops->get_expected_throughput)
1253                 ret = local->ops->get_expected_throughput(sta);
1254         trace_drv_return_u32(local, ret);
1255
1256         return ret;
1257 }
1258
1259 static inline int drv_get_txpower(struct ieee80211_local *local,
1260                                   struct ieee80211_sub_if_data *sdata, int *dbm)
1261 {
1262         int ret;
1263
1264         if (!local->ops->get_txpower)
1265                 return -EOPNOTSUPP;
1266
1267         ret = local->ops->get_txpower(&local->hw, &sdata->vif, dbm);
1268         trace_drv_get_txpower(local, sdata, *dbm, ret);
1269
1270         return ret;
1271 }
1272
1273 static inline int
1274 drv_tdls_channel_switch(struct ieee80211_local *local,
1275                         struct ieee80211_sub_if_data *sdata,
1276                         struct ieee80211_sta *sta, u8 oper_class,
1277                         struct cfg80211_chan_def *chandef,
1278                         struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie)
1279 {
1280         int ret;
1281
1282         might_sleep();
1283         if (!check_sdata_in_driver(sdata))
1284                 return -EIO;
1285
1286         if (!local->ops->tdls_channel_switch)
1287                 return -EOPNOTSUPP;
1288
1289         trace_drv_tdls_channel_switch(local, sdata, sta, oper_class, chandef);
1290         ret = local->ops->tdls_channel_switch(&local->hw, &sdata->vif, sta,
1291                                               oper_class, chandef, tmpl_skb,
1292                                               ch_sw_tm_ie);
1293         trace_drv_return_int(local, ret);
1294         return ret;
1295 }
1296
1297 static inline void
1298 drv_tdls_cancel_channel_switch(struct ieee80211_local *local,
1299                                struct ieee80211_sub_if_data *sdata,
1300                                struct ieee80211_sta *sta)
1301 {
1302         might_sleep();
1303         if (!check_sdata_in_driver(sdata))
1304                 return;
1305
1306         if (!local->ops->tdls_cancel_channel_switch)
1307                 return;
1308
1309         trace_drv_tdls_cancel_channel_switch(local, sdata, sta);
1310         local->ops->tdls_cancel_channel_switch(&local->hw, &sdata->vif, sta);
1311         trace_drv_return_void(local);
1312 }
1313
1314 static inline void
1315 drv_tdls_recv_channel_switch(struct ieee80211_local *local,
1316                              struct ieee80211_sub_if_data *sdata,
1317                              struct ieee80211_tdls_ch_sw_params *params)
1318 {
1319         trace_drv_tdls_recv_channel_switch(local, sdata, params);
1320         if (local->ops->tdls_recv_channel_switch)
1321                 local->ops->tdls_recv_channel_switch(&local->hw, &sdata->vif,
1322                                                      params);
1323         trace_drv_return_void(local);
1324 }
1325
1326 static inline void drv_wake_tx_queue(struct ieee80211_local *local,
1327                                      struct txq_info *txq)
1328 {
1329         struct ieee80211_sub_if_data *sdata = vif_to_sdata(txq->txq.vif);
1330
1331         if (!check_sdata_in_driver(sdata))
1332                 return;
1333
1334         trace_drv_wake_tx_queue(local, sdata, txq);
1335         local->ops->wake_tx_queue(&local->hw, &txq->txq);
1336 }
1337
1338 #endif /* __MAC80211_DRIVER_OPS */