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 int drv_add_interface(struct ieee80211_local *local,
 141                       struct ieee80211_sub_if_data *sdata);
 142
 143 int drv_change_interface(struct ieee80211_local *local,
 144                          struct ieee80211_sub_if_data *sdata,
 145                          enum nl80211_iftype type, bool p2p);
 146
 147 void drv_remove_interface(struct ieee80211_local *local,
 148                           struct ieee80211_sub_if_data *sdata);
 149
 150 static inline int drv_config(struct ieee80211_local *local, u32 changed)
 151 {
 152         int ret;
 153
 154         might_sleep();
 155
 156         trace_drv_config(local, changed);
 157         ret = local->ops->config(&local->hw, changed);
 158         trace_drv_return_int(local, ret);
 159         return ret;
 160 }
 161
 162 static inline void drv_bss_info_changed(struct ieee80211_local *local,
 163                                         struct ieee80211_sub_if_data *sdata,
 164                                         struct ieee80211_bss_conf *info,
 165                                         u32 changed)
 166 {
 167         might_sleep();
 168
 169         if (WARN_ON_ONCE(changed & (BSS_CHANGED_BEACON |
 170                                     BSS_CHANGED_BEACON_ENABLED) &&
 171                          sdata->vif.type != NL80211_IFTYPE_AP &&
 172                          sdata->vif.type != NL80211_IFTYPE_ADHOC &&
 173                          sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
 174                          sdata->vif.type != NL80211_IFTYPE_OCB))
 175                 return;
 176
 177         if (WARN_ON_ONCE(sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE ||
 178                          sdata->vif.type == NL80211_IFTYPE_MONITOR))
 179                 return;
 180
 181         if (!check_sdata_in_driver(sdata))
 182                 return;
 183
 184         trace_drv_bss_info_changed(local, sdata, info, changed);
 185         if (local->ops->bss_info_changed)
 186                 local->ops->bss_info_changed(&local->hw, &sdata->vif, info, changed);
 187         trace_drv_return_void(local);
 188 }
 189
 190 static inline u64 drv_prepare_multicast(struct ieee80211_local *local,
 191                                         struct netdev_hw_addr_list *mc_list)
 192 {
 193         u64 ret = 0;
 194
 195         trace_drv_prepare_multicast(local, mc_list->count);
 196
 197         if (local->ops->prepare_multicast)
 198                 ret = local->ops->prepare_multicast(&local->hw, mc_list);
 199
 200         trace_drv_return_u64(local, ret);
 201
 202         return ret;
 203 }
 204
 205 static inline void drv_configure_filter(struct ieee80211_local *local,
 206                                         unsigned int changed_flags,
 207                                         unsigned int *total_flags,
 208                                         u64 multicast)
 209 {
 210         might_sleep();
 211
 212         trace_drv_configure_filter(local, changed_flags, total_flags,
 213                                    multicast);
 214         local->ops->configure_filter(&local->hw, changed_flags, total_flags,
 215                                      multicast);
 216         trace_drv_return_void(local);
 217 }
 218
 219 static inline void drv_config_iface_filter(struct ieee80211_local *local,
 220                                            struct ieee80211_sub_if_data *sdata,
 221                                            unsigned int filter_flags,
 222                                            unsigned int changed_flags)
 223 {
 224         might_sleep();
 225
 226         trace_drv_config_iface_filter(local, sdata, filter_flags,
 227                                       changed_flags);
 228         if (local->ops->config_iface_filter)
 229                 local->ops->config_iface_filter(&local->hw, &sdata->vif,
 230                                                 filter_flags,
 231                                                 changed_flags);
 232         trace_drv_return_void(local);
 233 }
 234
 235 static inline int drv_set_tim(struct ieee80211_local *local,
 236                               struct ieee80211_sta *sta, bool set)
 237 {
 238         int ret = 0;
 239         trace_drv_set_tim(local, sta, set);
 240         if (local->ops->set_tim)
 241                 ret = local->ops->set_tim(&local->hw, sta, set);
 242         trace_drv_return_int(local, ret);
 243         return ret;
 244 }
 245
 246 static inline int drv_set_key(struct ieee80211_local *local,
 247                               enum set_key_cmd cmd,
 248                               struct ieee80211_sub_if_data *sdata,
 249                               struct ieee80211_sta *sta,
 250                               struct ieee80211_key_conf *key)
 251 {
 252         int ret;
 253
 254         might_sleep();
 255
 256         sdata = get_bss_sdata(sdata);
 257         if (!check_sdata_in_driver(sdata))
 258                 return -EIO;
 259
 260         trace_drv_set_key(local, cmd, sdata, sta, key);
 261         ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key);
 262         trace_drv_return_int(local, ret);
 263         return ret;
 264 }
 265
 266 static inline void drv_update_tkip_key(struct ieee80211_local *local,
 267                                        struct ieee80211_sub_if_data *sdata,
 268                                        struct ieee80211_key_conf *conf,
 269                                        struct sta_info *sta, u32 iv32,
 270                                        u16 *phase1key)
 271 {
 272         struct ieee80211_sta *ista = NULL;
 273
 274         if (sta)
 275                 ista = &sta->sta;
 276
 277         sdata = get_bss_sdata(sdata);
 278         if (!check_sdata_in_driver(sdata))
 279                 return;
 280
 281         trace_drv_update_tkip_key(local, sdata, conf, ista, iv32);
 282         if (local->ops->update_tkip_key)
 283                 local->ops->update_tkip_key(&local->hw, &sdata->vif, conf,
 284                                             ista, iv32, phase1key);
 285         trace_drv_return_void(local);
 286 }
 287
 288 static inline int drv_hw_scan(struct ieee80211_local *local,
 289                               struct ieee80211_sub_if_data *sdata,
 290                               struct ieee80211_scan_request *req)
 291 {
 292         int ret;
 293
 294         might_sleep();
 295
 296         if (!check_sdata_in_driver(sdata))
 297                 return -EIO;
 298
 299         trace_drv_hw_scan(local, sdata);
 300         ret = local->ops->hw_scan(&local->hw, &sdata->vif, req);
 301         trace_drv_return_int(local, ret);
 302         return ret;
 303 }
 304
 305 static inline void drv_cancel_hw_scan(struct ieee80211_local *local,
 306                                       struct ieee80211_sub_if_data *sdata)
 307 {
 308         might_sleep();
 309
 310         if (!check_sdata_in_driver(sdata))
 311                 return;
 312
 313         trace_drv_cancel_hw_scan(local, sdata);
 314         local->ops->cancel_hw_scan(&local->hw, &sdata->vif);
 315         trace_drv_return_void(local);
 316 }
 317
 318 static inline int
 319 drv_sched_scan_start(struct ieee80211_local *local,
 320                      struct ieee80211_sub_if_data *sdata,
 321                      struct cfg80211_sched_scan_request *req,
 322                      struct ieee80211_scan_ies *ies)
 323 {
 324         int ret;
 325
 326         might_sleep();
 327
 328         if (!check_sdata_in_driver(sdata))
 329                 return -EIO;
 330
 331         trace_drv_sched_scan_start(local, sdata);
 332         ret = local->ops->sched_scan_start(&local->hw, &sdata->vif,
 333                                               req, ies);
 334         trace_drv_return_int(local, ret);
 335         return ret;
 336 }
 337
 338 static inline int drv_sched_scan_stop(struct ieee80211_local *local,
 339                                       struct ieee80211_sub_if_data *sdata)
 340 {
 341         int ret;
 342
 343         might_sleep();
 344
 345         if (!check_sdata_in_driver(sdata))
 346                 return -EIO;
 347
 348         trace_drv_sched_scan_stop(local, sdata);
 349         ret = local->ops->sched_scan_stop(&local->hw, &sdata->vif);
 350         trace_drv_return_int(local, ret);
 351
 352         return ret;
 353 }
 354
 355 static inline void drv_sw_scan_start(struct ieee80211_local *local,
 356                                      struct ieee80211_sub_if_data *sdata,
 357                                      const u8 *mac_addr)
 358 {
 359         might_sleep();
 360
 361         trace_drv_sw_scan_start(local, sdata, mac_addr);
 362         if (local->ops->sw_scan_start)
 363                 local->ops->sw_scan_start(&local->hw, &sdata->vif, mac_addr);
 364         trace_drv_return_void(local);
 365 }
 366
 367 static inline void drv_sw_scan_complete(struct ieee80211_local *local,
 368                                         struct ieee80211_sub_if_data *sdata)
 369 {
 370         might_sleep();
 371
 372         trace_drv_sw_scan_complete(local, sdata);
 373         if (local->ops->sw_scan_complete)
 374                 local->ops->sw_scan_complete(&local->hw, &sdata->vif);
 375         trace_drv_return_void(local);
 376 }
 377
 378 static inline int drv_get_stats(struct ieee80211_local *local,
 379                                 struct ieee80211_low_level_stats *stats)
 380 {
 381         int ret = -EOPNOTSUPP;
 382
 383         might_sleep();
 384
 385         if (local->ops->get_stats)
 386                 ret = local->ops->get_stats(&local->hw, stats);
 387         trace_drv_get_stats(local, stats, ret);
 388
 389         return ret;
 390 }
 391
 392 static inline void drv_get_key_seq(struct ieee80211_local *local,
 393                                    struct ieee80211_key *key,
 394                                    struct ieee80211_key_seq *seq)
 395 {
 396         if (local->ops->get_key_seq)
 397                 local->ops->get_key_seq(&local->hw, &key->conf, seq);
 398         trace_drv_get_key_seq(local, &key->conf);
 399 }
 400
 401 static inline int drv_set_frag_threshold(struct ieee80211_local *local,
 402                                         u32 value)
 403 {
 404         int ret = 0;
 405
 406         might_sleep();
 407
 408         trace_drv_set_frag_threshold(local, value);
 409         if (local->ops->set_frag_threshold)
 410                 ret = local->ops->set_frag_threshold(&local->hw, value);
 411         trace_drv_return_int(local, ret);
 412         return ret;
 413 }
 414
 415 static inline int drv_set_rts_threshold(struct ieee80211_local *local,
 416                                         u32 value)
 417 {
 418         int ret = 0;
 419
 420         might_sleep();
 421
 422         trace_drv_set_rts_threshold(local, value);
 423         if (local->ops->set_rts_threshold)
 424                 ret = local->ops->set_rts_threshold(&local->hw, value);
 425         trace_drv_return_int(local, ret);
 426         return ret;
 427 }
 428
 429 static inline int drv_set_coverage_class(struct ieee80211_local *local,
 430                                          s16 value)
 431 {
 432         int ret = 0;
 433         might_sleep();
 434
 435         trace_drv_set_coverage_class(local, value);
 436         if (local->ops->set_coverage_class)
 437                 local->ops->set_coverage_class(&local->hw, value);
 438         else
 439                 ret = -EOPNOTSUPP;
 440
 441         trace_drv_return_int(local, ret);
 442         return ret;
 443 }
 444
 445 static inline void drv_sta_notify(struct ieee80211_local *local,
 446                                   struct ieee80211_sub_if_data *sdata,
 447                                   enum sta_notify_cmd cmd,
 448                                   struct ieee80211_sta *sta)
 449 {
 450         sdata = get_bss_sdata(sdata);
 451         if (!check_sdata_in_driver(sdata))
 452                 return;
 453
 454         trace_drv_sta_notify(local, sdata, cmd, sta);
 455         if (local->ops->sta_notify)
 456                 local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta);
 457         trace_drv_return_void(local);
 458 }
 459
 460 static inline int drv_sta_add(struct ieee80211_local *local,
 461                               struct ieee80211_sub_if_data *sdata,
 462                               struct ieee80211_sta *sta)
 463 {
 464         int ret = 0;
 465
 466         might_sleep();
 467
 468         sdata = get_bss_sdata(sdata);
 469         if (!check_sdata_in_driver(sdata))
 470                 return -EIO;
 471
 472         trace_drv_sta_add(local, sdata, sta);
 473         if (local->ops->sta_add)
 474                 ret = local->ops->sta_add(&local->hw, &sdata->vif, sta);
 475
 476         trace_drv_return_int(local, ret);
 477
 478         return ret;
 479 }
 480
 481 static inline void drv_sta_remove(struct ieee80211_local *local,
 482                                   struct ieee80211_sub_if_data *sdata,
 483                                   struct ieee80211_sta *sta)
 484 {
 485         might_sleep();
 486
 487         sdata = get_bss_sdata(sdata);
 488         if (!check_sdata_in_driver(sdata))
 489                 return;
 490
 491         trace_drv_sta_remove(local, sdata, sta);
 492         if (local->ops->sta_remove)
 493                 local->ops->sta_remove(&local->hw, &sdata->vif, sta);
 494
 495         trace_drv_return_void(local);
 496 }
 497
 498 #ifdef CONFIG_MAC80211_DEBUGFS
 499 static inline void drv_sta_add_debugfs(struct ieee80211_local *local,
 500                                        struct ieee80211_sub_if_data *sdata,
 501                                        struct ieee80211_sta *sta,
 502                                        struct dentry *dir)
 503 {
 504         might_sleep();
 505
 506         sdata = get_bss_sdata(sdata);
 507         if (!check_sdata_in_driver(sdata))
 508                 return;
 509
 510         if (local->ops->sta_add_debugfs)
 511                 local->ops->sta_add_debugfs(&local->hw, &sdata->vif,
 512                                             sta, dir);
 513 }
 514
 515 static inline void drv_sta_remove_debugfs(struct ieee80211_local *local,
 516                                           struct ieee80211_sub_if_data *sdata,
 517                                           struct ieee80211_sta *sta,
 518                                           struct dentry *dir)
 519 {
 520         might_sleep();
 521
 522         sdata = get_bss_sdata(sdata);
 523         check_sdata_in_driver(sdata);
 524
 525         if (local->ops->sta_remove_debugfs)
 526                 local->ops->sta_remove_debugfs(&local->hw, &sdata->vif,
 527                                                sta, dir);
 528 }
 529 #endif
 530
 531 static inline void drv_sta_pre_rcu_remove(struct ieee80211_local *local,
 532                                           struct ieee80211_sub_if_data *sdata,
 533                                           struct sta_info *sta)
 534 {
 535         might_sleep();
 536
 537         sdata = get_bss_sdata(sdata);
 538         if (!check_sdata_in_driver(sdata))
 539                 return;
 540
 541         trace_drv_sta_pre_rcu_remove(local, sdata, &sta->sta);
 542         if (local->ops->sta_pre_rcu_remove)
 543                 local->ops->sta_pre_rcu_remove(&local->hw, &sdata->vif,
 544                                                &sta->sta);
 545         trace_drv_return_void(local);
 546 }
 547
 548 __must_check
 549 int drv_sta_state(struct ieee80211_local *local,
 550                   struct ieee80211_sub_if_data *sdata,
 551                   struct sta_info *sta,
 552                   enum ieee80211_sta_state old_state,
 553                   enum ieee80211_sta_state new_state);
 554
 555 void drv_sta_rc_update(struct ieee80211_local *local,
 556                        struct ieee80211_sub_if_data *sdata,
 557                        struct ieee80211_sta *sta, u32 changed);
 558
 559 static inline void drv_sta_rate_tbl_update(struct ieee80211_local *local,
 560                                            struct ieee80211_sub_if_data *sdata,
 561                                            struct ieee80211_sta *sta)
 562 {
 563         sdata = get_bss_sdata(sdata);
 564         if (!check_sdata_in_driver(sdata))
 565                 return;
 566
 567         trace_drv_sta_rate_tbl_update(local, sdata, sta);
 568         if (local->ops->sta_rate_tbl_update)
 569                 local->ops->sta_rate_tbl_update(&local->hw, &sdata->vif, sta);
 570
 571         trace_drv_return_void(local);
 572 }
 573
 574 static inline void drv_sta_statistics(struct ieee80211_local *local,
 575                                       struct ieee80211_sub_if_data *sdata,
 576                                       struct ieee80211_sta *sta,
 577                                       struct station_info *sinfo)
 578 {
 579         sdata = get_bss_sdata(sdata);
 580         if (!check_sdata_in_driver(sdata))
 581                 return;
 582
 583         trace_drv_sta_statistics(local, sdata, sta);
 584         if (local->ops->sta_statistics)
 585                 local->ops->sta_statistics(&local->hw, &sdata->vif, sta, sinfo);
 586         trace_drv_return_void(local);
 587 }
 588
 589 int drv_conf_tx(struct ieee80211_local *local,
 590                 struct ieee80211_sub_if_data *sdata, u16 ac,
 591                 const struct ieee80211_tx_queue_params *params);
 592
 593 static inline u64 drv_get_tsf(struct ieee80211_local *local,
 594                               struct ieee80211_sub_if_data *sdata)
 595 {
 596         u64 ret = -1ULL;
 597
 598         might_sleep();
 599
 600         if (!check_sdata_in_driver(sdata))
 601                 return ret;
 602
 603         trace_drv_get_tsf(local, sdata);
 604         if (local->ops->get_tsf)
 605                 ret = local->ops->get_tsf(&local->hw, &sdata->vif);
 606         trace_drv_return_u64(local, ret);
 607         return ret;
 608 }
 609
 610 static inline void drv_set_tsf(struct ieee80211_local *local,
 611                                struct ieee80211_sub_if_data *sdata,
 612                                u64 tsf)
 613 {
 614         might_sleep();
 615
 616         if (!check_sdata_in_driver(sdata))
 617                 return;
 618
 619         trace_drv_set_tsf(local, sdata, tsf);
 620         if (local->ops->set_tsf)
 621                 local->ops->set_tsf(&local->hw, &sdata->vif, tsf);
 622         trace_drv_return_void(local);
 623 }
 624
 625 static inline void drv_reset_tsf(struct ieee80211_local *local,
 626                                  struct ieee80211_sub_if_data *sdata)
 627 {
 628         might_sleep();
 629
 630         if (!check_sdata_in_driver(sdata))
 631                 return;
 632
 633         trace_drv_reset_tsf(local, sdata);
 634         if (local->ops->reset_tsf)
 635                 local->ops->reset_tsf(&local->hw, &sdata->vif);
 636         trace_drv_return_void(local);
 637 }
 638
 639 static inline int drv_tx_last_beacon(struct ieee80211_local *local)
 640 {
 641         int ret = 0; /* default unsupported op for less congestion */
 642
 643         might_sleep();
 644
 645         trace_drv_tx_last_beacon(local);
 646         if (local->ops->tx_last_beacon)
 647                 ret = local->ops->tx_last_beacon(&local->hw);
 648         trace_drv_return_int(local, ret);
 649         return ret;
 650 }
 651
 652 static inline int drv_ampdu_action(struct ieee80211_local *local,
 653                                    struct ieee80211_sub_if_data *sdata,
 654                                    enum ieee80211_ampdu_mlme_action action,
 655                                    struct ieee80211_sta *sta, u16 tid,
 656                                    u16 *ssn, u8 buf_size, bool amsdu)
 657 {
 658         int ret = -EOPNOTSUPP;
 659
 660         might_sleep();
 661
 662         sdata = get_bss_sdata(sdata);
 663         if (!check_sdata_in_driver(sdata))
 664                 return -EIO;
 665
 666         trace_drv_ampdu_action(local, sdata, action, sta, tid,
 667                                ssn, buf_size, amsdu);
 668
 669         if (local->ops->ampdu_action)
 670                 ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
 671                                                sta, tid, ssn, buf_size, amsdu);
 672
 673         trace_drv_return_int(local, ret);
 674
 675         return ret;
 676 }
 677
 678 static inline int drv_get_survey(struct ieee80211_local *local, int idx,
 679                                 struct survey_info *survey)
 680 {
 681         int ret = -EOPNOTSUPP;
 682
 683         trace_drv_get_survey(local, idx, survey);
 684
 685         if (local->ops->get_survey)
 686                 ret = local->ops->get_survey(&local->hw, idx, survey);
 687
 688         trace_drv_return_int(local, ret);
 689
 690         return ret;
 691 }
 692
 693 static inline void drv_rfkill_poll(struct ieee80211_local *local)
 694 {
 695         might_sleep();
 696
 697         if (local->ops->rfkill_poll)
 698                 local->ops->rfkill_poll(&local->hw);
 699 }
 700
 701 static inline void drv_flush(struct ieee80211_local *local,
 702                              struct ieee80211_sub_if_data *sdata,
 703                              u32 queues, bool drop)
 704 {
 705         struct ieee80211_vif *vif = sdata ? &sdata->vif : NULL;
 706
 707         might_sleep();
 708
 709         if (sdata && !check_sdata_in_driver(sdata))
 710                 return;
 711
 712         trace_drv_flush(local, queues, drop);
 713         if (local->ops->flush)
 714                 local->ops->flush(&local->hw, vif, queues, drop);
 715         trace_drv_return_void(local);
 716 }
 717
 718 static inline void drv_channel_switch(struct ieee80211_local *local,
 719                                       struct ieee80211_sub_if_data *sdata,
 720                                       struct ieee80211_channel_switch *ch_switch)
 721 {
 722         might_sleep();
 723
 724         trace_drv_channel_switch(local, sdata, ch_switch);
 725         local->ops->channel_switch(&local->hw, &sdata->vif, 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         if (!check_sdata_in_driver(sdata))
 832                 return -EIO;
 833
 834         trace_drv_set_bitrate_mask(local, sdata, mask);
 835         if (local->ops->set_bitrate_mask)
 836                 ret = local->ops->set_bitrate_mask(&local->hw,
 837                                                    &sdata->vif, mask);
 838         trace_drv_return_int(local, ret);
 839
 840         return ret;
 841 }
 842
 843 static inline void drv_set_rekey_data(struct ieee80211_local *local,
 844                                       struct ieee80211_sub_if_data *sdata,
 845                                       struct cfg80211_gtk_rekey_data *data)
 846 {
 847         if (!check_sdata_in_driver(sdata))
 848                 return;
 849
 850         trace_drv_set_rekey_data(local, sdata, data);
 851         if (local->ops->set_rekey_data)
 852                 local->ops->set_rekey_data(&local->hw, &sdata->vif, data);
 853         trace_drv_return_void(local);
 854 }
 855
 856 static inline void drv_event_callback(struct ieee80211_local *local,
 857                                       struct ieee80211_sub_if_data *sdata,
 858                                       const struct ieee80211_event *event)
 859 {
 860         trace_drv_event_callback(local, sdata, event);
 861         if (local->ops->event_callback)
 862                 local->ops->event_callback(&local->hw, &sdata->vif, event);
 863         trace_drv_return_void(local);
 864 }
 865
 866 static inline void
 867 drv_release_buffered_frames(struct ieee80211_local *local,
 868                             struct sta_info *sta, u16 tids, int num_frames,
 869                             enum ieee80211_frame_release_type reason,
 870                             bool more_data)
 871 {
 872         trace_drv_release_buffered_frames(local, &sta->sta, tids, num_frames,
 873                                           reason, more_data);
 874         if (local->ops->release_buffered_frames)
 875                 local->ops->release_buffered_frames(&local->hw, &sta->sta, tids,
 876                                                     num_frames, reason,
 877                                                     more_data);
 878         trace_drv_return_void(local);
 879 }
 880
 881 static inline void
 882 drv_allow_buffered_frames(struct ieee80211_local *local,
 883                           struct sta_info *sta, u16 tids, int num_frames,
 884                           enum ieee80211_frame_release_type reason,
 885                           bool more_data)
 886 {
 887         trace_drv_allow_buffered_frames(local, &sta->sta, tids, num_frames,
 888                                         reason, more_data);
 889         if (local->ops->allow_buffered_frames)
 890                 local->ops->allow_buffered_frames(&local->hw, &sta->sta,
 891                                                   tids, num_frames, reason,
 892                                                   more_data);
 893         trace_drv_return_void(local);
 894 }
 895
 896 static inline void drv_mgd_prepare_tx(struct ieee80211_local *local,
 897                                       struct ieee80211_sub_if_data *sdata)
 898 {
 899         might_sleep();
 900
 901         if (!check_sdata_in_driver(sdata))
 902                 return;
 903         WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION);
 904
 905         trace_drv_mgd_prepare_tx(local, sdata);
 906         if (local->ops->mgd_prepare_tx)
 907                 local->ops->mgd_prepare_tx(&local->hw, &sdata->vif);
 908         trace_drv_return_void(local);
 909 }
 910
 911 static inline void
 912 drv_mgd_protect_tdls_discover(struct ieee80211_local *local,
 913                               struct ieee80211_sub_if_data *sdata)
 914 {
 915         might_sleep();
 916
 917         if (!check_sdata_in_driver(sdata))
 918                 return;
 919         WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION);
 920
 921         trace_drv_mgd_protect_tdls_discover(local, sdata);
 922         if (local->ops->mgd_protect_tdls_discover)
 923                 local->ops->mgd_protect_tdls_discover(&local->hw, &sdata->vif);
 924         trace_drv_return_void(local);
 925 }
 926
 927 static inline int drv_add_chanctx(struct ieee80211_local *local,
 928                                   struct ieee80211_chanctx *ctx)
 929 {
 930         int ret = -EOPNOTSUPP;
 931
 932         trace_drv_add_chanctx(local, ctx);
 933         if (local->ops->add_chanctx)
 934                 ret = local->ops->add_chanctx(&local->hw, &ctx->conf);
 935         trace_drv_return_int(local, ret);
 936         if (!ret)
 937                 ctx->driver_present = true;
 938
 939         return ret;
 940 }
 941
 942 static inline void drv_remove_chanctx(struct ieee80211_local *local,
 943                                       struct ieee80211_chanctx *ctx)
 944 {
 945         if (WARN_ON(!ctx->driver_present))
 946                 return;
 947
 948         trace_drv_remove_chanctx(local, ctx);
 949         if (local->ops->remove_chanctx)
 950                 local->ops->remove_chanctx(&local->hw, &ctx->conf);
 951         trace_drv_return_void(local);
 952         ctx->driver_present = false;
 953 }
 954
 955 static inline void drv_change_chanctx(struct ieee80211_local *local,
 956                                       struct ieee80211_chanctx *ctx,
 957                                       u32 changed)
 958 {
 959         trace_drv_change_chanctx(local, ctx, changed);
 960         if (local->ops->change_chanctx) {
 961                 WARN_ON_ONCE(!ctx->driver_present);
 962                 local->ops->change_chanctx(&local->hw, &ctx->conf, changed);
 963         }
 964         trace_drv_return_void(local);
 965 }
 966
 967 static inline int drv_assign_vif_chanctx(struct ieee80211_local *local,
 968                                          struct ieee80211_sub_if_data *sdata,
 969                                          struct ieee80211_chanctx *ctx)
 970 {
 971         int ret = 0;
 972
 973         if (!check_sdata_in_driver(sdata))
 974                 return -EIO;
 975
 976         trace_drv_assign_vif_chanctx(local, sdata, ctx);
 977         if (local->ops->assign_vif_chanctx) {
 978                 WARN_ON_ONCE(!ctx->driver_present);
 979                 ret = local->ops->assign_vif_chanctx(&local->hw,
 980                                                      &sdata->vif,
 981                                                      &ctx->conf);
 982         }
 983         trace_drv_return_int(local, ret);
 984
 985         return ret;
 986 }
 987
 988 static inline void drv_unassign_vif_chanctx(struct ieee80211_local *local,
 989                                             struct ieee80211_sub_if_data *sdata,
 990                                             struct ieee80211_chanctx *ctx)
 991 {
 992         if (!check_sdata_in_driver(sdata))
 993                 return;
 994
 995         trace_drv_unassign_vif_chanctx(local, sdata, ctx);
 996         if (local->ops->unassign_vif_chanctx) {
 997                 WARN_ON_ONCE(!ctx->driver_present);
 998                 local->ops->unassign_vif_chanctx(&local->hw,
 999                                                  &sdata->vif,
1000                                                  &ctx->conf);
1001         }
1002         trace_drv_return_void(local);
1003 }
1004
1005 int drv_switch_vif_chanctx(struct ieee80211_local *local,
1006                            struct ieee80211_vif_chanctx_switch *vifs,
1007                            int n_vifs, enum ieee80211_chanctx_switch_mode mode);
1008
1009 static inline int drv_start_ap(struct ieee80211_local *local,
1010                                struct ieee80211_sub_if_data *sdata)
1011 {
1012         int ret = 0;
1013
1014         if (!check_sdata_in_driver(sdata))
1015                 return -EIO;
1016
1017         trace_drv_start_ap(local, sdata, &sdata->vif.bss_conf);
1018         if (local->ops->start_ap)
1019                 ret = local->ops->start_ap(&local->hw, &sdata->vif);
1020         trace_drv_return_int(local, ret);
1021         return ret;
1022 }
1023
1024 static inline void drv_stop_ap(struct ieee80211_local *local,
1025                                struct ieee80211_sub_if_data *sdata)
1026 {
1027         if (!check_sdata_in_driver(sdata))
1028                 return;
1029
1030         trace_drv_stop_ap(local, sdata);
1031         if (local->ops->stop_ap)
1032                 local->ops->stop_ap(&local->hw, &sdata->vif);
1033         trace_drv_return_void(local);
1034 }
1035
1036 static inline void
1037 drv_reconfig_complete(struct ieee80211_local *local,
1038                       enum ieee80211_reconfig_type reconfig_type)
1039 {
1040         might_sleep();
1041
1042         trace_drv_reconfig_complete(local, reconfig_type);
1043         if (local->ops->reconfig_complete)
1044                 local->ops->reconfig_complete(&local->hw, reconfig_type);
1045         trace_drv_return_void(local);
1046 }
1047
1048 static inline void
1049 drv_set_default_unicast_key(struct ieee80211_local *local,
1050                             struct ieee80211_sub_if_data *sdata,
1051                             int key_idx)
1052 {
1053         if (!check_sdata_in_driver(sdata))
1054                 return;
1055
1056         WARN_ON_ONCE(key_idx < -1 || key_idx > 3);
1057
1058         trace_drv_set_default_unicast_key(local, sdata, key_idx);
1059         if (local->ops->set_default_unicast_key)
1060                 local->ops->set_default_unicast_key(&local->hw, &sdata->vif,
1061                                                     key_idx);
1062         trace_drv_return_void(local);
1063 }
1064
1065 #if IS_ENABLED(CONFIG_IPV6)
1066 static inline void drv_ipv6_addr_change(struct ieee80211_local *local,
1067                                         struct ieee80211_sub_if_data *sdata,
1068                                         struct inet6_dev *idev)
1069 {
1070         trace_drv_ipv6_addr_change(local, sdata);
1071         if (local->ops->ipv6_addr_change)
1072                 local->ops->ipv6_addr_change(&local->hw, &sdata->vif, idev);
1073         trace_drv_return_void(local);
1074 }
1075 #endif
1076
1077 static inline void
1078 drv_channel_switch_beacon(struct ieee80211_sub_if_data *sdata,
1079                           struct cfg80211_chan_def *chandef)
1080 {
1081         struct ieee80211_local *local = sdata->local;
1082
1083         if (local->ops->channel_switch_beacon) {
1084                 trace_drv_channel_switch_beacon(local, sdata, chandef);
1085                 local->ops->channel_switch_beacon(&local->hw, &sdata->vif,
1086                                                   chandef);
1087         }
1088 }
1089
1090 static inline int
1091 drv_pre_channel_switch(struct ieee80211_sub_if_data *sdata,
1092                        struct ieee80211_channel_switch *ch_switch)
1093 {
1094         struct ieee80211_local *local = sdata->local;
1095         int ret = 0;
1096
1097         if (!check_sdata_in_driver(sdata))
1098                 return -EIO;
1099
1100         trace_drv_pre_channel_switch(local, sdata, ch_switch);
1101         if (local->ops->pre_channel_switch)
1102                 ret = local->ops->pre_channel_switch(&local->hw, &sdata->vif,
1103                                                      ch_switch);
1104         trace_drv_return_int(local, ret);
1105         return ret;
1106 }
1107
1108 static inline int
1109 drv_post_channel_switch(struct ieee80211_sub_if_data *sdata)
1110 {
1111         struct ieee80211_local *local = sdata->local;
1112         int ret = 0;
1113
1114         if (!check_sdata_in_driver(sdata))
1115                 return -EIO;
1116
1117         trace_drv_post_channel_switch(local, sdata);
1118         if (local->ops->post_channel_switch)
1119                 ret = local->ops->post_channel_switch(&local->hw, &sdata->vif);
1120         trace_drv_return_int(local, ret);
1121         return ret;
1122 }
1123
1124 static inline int drv_join_ibss(struct ieee80211_local *local,
1125                                 struct ieee80211_sub_if_data *sdata)
1126 {
1127         int ret = 0;
1128
1129         might_sleep();
1130         if (!check_sdata_in_driver(sdata))
1131                 return -EIO;
1132
1133         trace_drv_join_ibss(local, sdata, &sdata->vif.bss_conf);
1134         if (local->ops->join_ibss)
1135                 ret = local->ops->join_ibss(&local->hw, &sdata->vif);
1136         trace_drv_return_int(local, ret);
1137         return ret;
1138 }
1139
1140 static inline void drv_leave_ibss(struct ieee80211_local *local,
1141                                   struct ieee80211_sub_if_data *sdata)
1142 {
1143         might_sleep();
1144         if (!check_sdata_in_driver(sdata))
1145                 return;
1146
1147         trace_drv_leave_ibss(local, sdata);
1148         if (local->ops->leave_ibss)
1149                 local->ops->leave_ibss(&local->hw, &sdata->vif);
1150         trace_drv_return_void(local);
1151 }
1152
1153 static inline u32 drv_get_expected_throughput(struct ieee80211_local *local,
1154                                               struct ieee80211_sta *sta)
1155 {
1156         u32 ret = 0;
1157
1158         trace_drv_get_expected_throughput(sta);
1159         if (local->ops->get_expected_throughput)
1160                 ret = local->ops->get_expected_throughput(sta);
1161         trace_drv_return_u32(local, ret);
1162
1163         return ret;
1164 }
1165
1166 static inline int drv_get_txpower(struct ieee80211_local *local,
1167                                   struct ieee80211_sub_if_data *sdata, int *dbm)
1168 {
1169         int ret;
1170
1171         if (!local->ops->get_txpower)
1172                 return -EOPNOTSUPP;
1173
1174         ret = local->ops->get_txpower(&local->hw, &sdata->vif, dbm);
1175         trace_drv_get_txpower(local, sdata, *dbm, ret);
1176
1177         return ret;
1178 }
1179
1180 static inline int
1181 drv_tdls_channel_switch(struct ieee80211_local *local,
1182                         struct ieee80211_sub_if_data *sdata,
1183                         struct ieee80211_sta *sta, u8 oper_class,
1184                         struct cfg80211_chan_def *chandef,
1185                         struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie)
1186 {
1187         int ret;
1188
1189         might_sleep();
1190         if (!check_sdata_in_driver(sdata))
1191                 return -EIO;
1192
1193         if (!local->ops->tdls_channel_switch)
1194                 return -EOPNOTSUPP;
1195
1196         trace_drv_tdls_channel_switch(local, sdata, sta, oper_class, chandef);
1197         ret = local->ops->tdls_channel_switch(&local->hw, &sdata->vif, sta,
1198                                               oper_class, chandef, tmpl_skb,
1199                                               ch_sw_tm_ie);
1200         trace_drv_return_int(local, ret);
1201         return ret;
1202 }
1203
1204 static inline void
1205 drv_tdls_cancel_channel_switch(struct ieee80211_local *local,
1206                                struct ieee80211_sub_if_data *sdata,
1207                                struct ieee80211_sta *sta)
1208 {
1209         might_sleep();
1210         if (!check_sdata_in_driver(sdata))
1211                 return;
1212
1213         if (!local->ops->tdls_cancel_channel_switch)
1214                 return;
1215
1216         trace_drv_tdls_cancel_channel_switch(local, sdata, sta);
1217         local->ops->tdls_cancel_channel_switch(&local->hw, &sdata->vif, sta);
1218         trace_drv_return_void(local);
1219 }
1220
1221 static inline void
1222 drv_tdls_recv_channel_switch(struct ieee80211_local *local,
1223                              struct ieee80211_sub_if_data *sdata,
1224                              struct ieee80211_tdls_ch_sw_params *params)
1225 {
1226         trace_drv_tdls_recv_channel_switch(local, sdata, params);
1227         if (local->ops->tdls_recv_channel_switch)
1228                 local->ops->tdls_recv_channel_switch(&local->hw, &sdata->vif,
1229                                                      params);
1230         trace_drv_return_void(local);
1231 }
1232
1233 static inline void drv_wake_tx_queue(struct ieee80211_local *local,
1234                                      struct txq_info *txq)
1235 {
1236         struct ieee80211_sub_if_data *sdata = vif_to_sdata(txq->txq.vif);
1237
1238         if (!check_sdata_in_driver(sdata))
1239                 return;
1240
1241         trace_drv_wake_tx_queue(local, sdata, txq);
1242         local->ops->wake_tx_queue(&local->hw, &txq->txq);
1243 }
1244
1245 #endif /* __MAC80211_DRIVER_OPS */