net/mac80211/driver-ops.h

   1 #ifndef __MAC80211_DRIVER_OPS
   2 #define __MAC80211_DRIVER_OPS
   3
   4 #include <net/mac80211.h>
   5 #include "ieee80211_i.h"
   6 #include "trace.h"
   7
   8 static inline void check_sdata_in_driver(struct ieee80211_sub_if_data *sdata)
   9 {
  10         WARN(!(sdata->flags & IEEE80211_SDATA_IN_DRIVER),
  11              "%s:  Failed check-sdata-in-driver check, flags: 0x%x\n",
  12              sdata->dev ? sdata->dev->name : sdata->name, sdata->flags);
  13 }
  14
  15 static inline struct ieee80211_sub_if_data *
  16 get_bss_sdata(struct ieee80211_sub_if_data *sdata)
  17 {
  18         if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
  19                 sdata = container_of(sdata->bss, struct ieee80211_sub_if_data,
  20                                      u.ap);
  21
  22         return sdata;
  23 }
  24
  25 static inline void drv_tx(struct ieee80211_local *local,
  26                           struct ieee80211_tx_control *control,
  27                           struct sk_buff *skb)
  28 {
  29         local->ops->tx(&local->hw, control, skb);
  30 }
  31
  32 static inline void drv_get_et_strings(struct ieee80211_sub_if_data *sdata,
  33                                       u32 sset, u8 *data)
  34 {
  35         struct ieee80211_local *local = sdata->local;
  36         if (local->ops->get_et_strings) {
  37                 trace_drv_get_et_strings(local, sset);
  38                 local->ops->get_et_strings(&local->hw, &sdata->vif, sset, data);
  39                 trace_drv_return_void(local);
  40         }
  41 }
  42
  43 static inline void drv_get_et_stats(struct ieee80211_sub_if_data *sdata,
  44                                     struct ethtool_stats *stats,
  45                                     u64 *data)
  46 {
  47         struct ieee80211_local *local = sdata->local;
  48         if (local->ops->get_et_stats) {
  49                 trace_drv_get_et_stats(local);
  50                 local->ops->get_et_stats(&local->hw, &sdata->vif, stats, data);
  51                 trace_drv_return_void(local);
  52         }
  53 }
  54
  55 static inline int drv_get_et_sset_count(struct ieee80211_sub_if_data *sdata,
  56                                         int sset)
  57 {
  58         struct ieee80211_local *local = sdata->local;
  59         int rv = 0;
  60         if (local->ops->get_et_sset_count) {
  61                 trace_drv_get_et_sset_count(local, sset);
  62                 rv = local->ops->get_et_sset_count(&local->hw, &sdata->vif,
  63                                                    sset);
  64                 trace_drv_return_int(local, rv);
  65         }
  66         return rv;
  67 }
  68
  69 static inline int drv_start(struct ieee80211_local *local)
  70 {
  71         int ret;
  72
  73         might_sleep();
  74
  75         trace_drv_start(local);
  76         local->started = true;
  77         smp_mb();
  78         ret = local->ops->start(&local->hw);
  79         trace_drv_return_int(local, ret);
  80         return ret;
  81 }
  82
  83 static inline void drv_stop(struct ieee80211_local *local)
  84 {
  85         might_sleep();
  86
  87         trace_drv_stop(local);
  88         local->ops->stop(&local->hw);
  89         trace_drv_return_void(local);
  90
  91         /* sync away all work on the tasklet before clearing started */
  92         tasklet_disable(&local->tasklet);
  93         tasklet_enable(&local->tasklet);
  94
  95         barrier();
  96
  97         local->started = false;
  98 }
  99
 100 #ifdef CONFIG_PM
 101 static inline int drv_suspend(struct ieee80211_local *local,
 102                               struct cfg80211_wowlan *wowlan)
 103 {
 104         int ret;
 105
 106         might_sleep();
 107
 108         trace_drv_suspend(local);
 109         ret = local->ops->suspend(&local->hw, wowlan);
 110         trace_drv_return_int(local, ret);
 111         return ret;
 112 }
 113
 114 static inline int drv_resume(struct ieee80211_local *local)
 115 {
 116         int ret;
 117
 118         might_sleep();
 119
 120         trace_drv_resume(local);
 121         ret = local->ops->resume(&local->hw);
 122         trace_drv_return_int(local, ret);
 123         return ret;
 124 }
 125
 126 static inline void drv_set_wakeup(struct ieee80211_local *local,
 127                                   bool enabled)
 128 {
 129         might_sleep();
 130
 131         if (!local->ops->set_wakeup)
 132                 return;
 133
 134         trace_drv_set_wakeup(local, enabled);
 135         local->ops->set_wakeup(&local->hw, enabled);
 136         trace_drv_return_void(local);
 137 }
 138 #endif
 139
 140 static inline int drv_add_interface(struct ieee80211_local *local,
 141                                     struct ieee80211_sub_if_data *sdata)
 142 {
 143         int ret;
 144
 145         might_sleep();
 146
 147         if (WARN_ON(sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
 148                     (sdata->vif.type == NL80211_IFTYPE_MONITOR &&
 149                      !(local->hw.flags & IEEE80211_HW_WANT_MONITOR_VIF))))
 150                 return -EINVAL;
 151
 152         trace_drv_add_interface(local, sdata);
 153         ret = local->ops->add_interface(&local->hw, &sdata->vif);
 154         trace_drv_return_int(local, ret);
 155
 156         if (ret == 0)
 157                 sdata->flags |= IEEE80211_SDATA_IN_DRIVER;
 158
 159         return ret;
 160 }
 161
 162 static inline int drv_change_interface(struct ieee80211_local *local,
 163                                        struct ieee80211_sub_if_data *sdata,
 164                                        enum nl80211_iftype type, bool p2p)
 165 {
 166         int ret;
 167
 168         might_sleep();
 169
 170         check_sdata_in_driver(sdata);
 171
 172         trace_drv_change_interface(local, sdata, type, p2p);
 173         ret = local->ops->change_interface(&local->hw, &sdata->vif, type, p2p);
 174         trace_drv_return_int(local, ret);
 175         return ret;
 176 }
 177
 178 static inline void drv_remove_interface(struct ieee80211_local *local,
 179                                         struct ieee80211_sub_if_data *sdata)
 180 {
 181         might_sleep();
 182
 183         check_sdata_in_driver(sdata);
 184
 185         trace_drv_remove_interface(local, sdata);
 186         local->ops->remove_interface(&local->hw, &sdata->vif);
 187         sdata->flags &= ~IEEE80211_SDATA_IN_DRIVER;
 188         trace_drv_return_void(local);
 189 }
 190
 191 static inline int drv_config(struct ieee80211_local *local, u32 changed)
 192 {
 193         int ret;
 194
 195         might_sleep();
 196
 197         trace_drv_config(local, changed);
 198         ret = local->ops->config(&local->hw, changed);
 199         trace_drv_return_int(local, ret);
 200         return ret;
 201 }
 202
 203 static inline void drv_bss_info_changed(struct ieee80211_local *local,
 204                                         struct ieee80211_sub_if_data *sdata,
 205                                         struct ieee80211_bss_conf *info,
 206                                         u32 changed)
 207 {
 208         might_sleep();
 209
 210         if (WARN_ON_ONCE(changed & (BSS_CHANGED_BEACON |
 211                                     BSS_CHANGED_BEACON_ENABLED) &&
 212                          sdata->vif.type != NL80211_IFTYPE_AP &&
 213                          sdata->vif.type != NL80211_IFTYPE_ADHOC &&
 214                          sdata->vif.type != NL80211_IFTYPE_MESH_POINT))
 215                 return;
 216
 217         if (WARN_ON_ONCE(sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE ||
 218                          sdata->vif.type == NL80211_IFTYPE_MONITOR))
 219                 return;
 220
 221         check_sdata_in_driver(sdata);
 222
 223         trace_drv_bss_info_changed(local, sdata, info, changed);
 224         if (local->ops->bss_info_changed)
 225                 local->ops->bss_info_changed(&local->hw, &sdata->vif, info, changed);
 226         trace_drv_return_void(local);
 227 }
 228
 229 static inline u64 drv_prepare_multicast(struct ieee80211_local *local,
 230                                         struct netdev_hw_addr_list *mc_list)
 231 {
 232         u64 ret = 0;
 233
 234         trace_drv_prepare_multicast(local, mc_list->count);
 235
 236         if (local->ops->prepare_multicast)
 237                 ret = local->ops->prepare_multicast(&local->hw, mc_list);
 238
 239         trace_drv_return_u64(local, ret);
 240
 241         return ret;
 242 }
 243
 244 static inline void drv_set_multicast_list(struct ieee80211_local *local,
 245                                           struct ieee80211_sub_if_data *sdata,
 246                                           struct netdev_hw_addr_list *mc_list)
 247 {
 248         bool allmulti = sdata->flags & IEEE80211_SDATA_ALLMULTI;
 249
 250         trace_drv_set_multicast_list(local, sdata, mc_list->count);
 251
 252         check_sdata_in_driver(sdata);
 253
 254         if (local->ops->set_multicast_list)
 255                 local->ops->set_multicast_list(&local->hw, &sdata->vif,
 256                                                allmulti, mc_list);
 257         trace_drv_return_void(local);
 258 }
 259
 260 static inline void drv_configure_filter(struct ieee80211_local *local,
 261                                         unsigned int changed_flags,
 262                                         unsigned int *total_flags,
 263                                         u64 multicast)
 264 {
 265         might_sleep();
 266
 267         trace_drv_configure_filter(local, changed_flags, total_flags,
 268                                    multicast);
 269         local->ops->configure_filter(&local->hw, changed_flags, total_flags,
 270                                      multicast);
 271         trace_drv_return_void(local);
 272 }
 273
 274 static inline int drv_set_tim(struct ieee80211_local *local,
 275                               struct ieee80211_sta *sta, bool set)
 276 {
 277         int ret = 0;
 278         trace_drv_set_tim(local, sta, set);
 279         if (local->ops->set_tim)
 280                 ret = local->ops->set_tim(&local->hw, sta, set);
 281         trace_drv_return_int(local, ret);
 282         return ret;
 283 }
 284
 285 static inline int drv_set_key(struct ieee80211_local *local,
 286                               enum set_key_cmd cmd,
 287                               struct ieee80211_sub_if_data *sdata,
 288                               struct ieee80211_sta *sta,
 289                               struct ieee80211_key_conf *key)
 290 {
 291         int ret;
 292
 293         might_sleep();
 294
 295         sdata = get_bss_sdata(sdata);
 296         check_sdata_in_driver(sdata);
 297
 298         trace_drv_set_key(local, cmd, sdata, sta, key);
 299         ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key);
 300         trace_drv_return_int(local, ret);
 301         return ret;
 302 }
 303
 304 static inline void drv_update_tkip_key(struct ieee80211_local *local,
 305                                        struct ieee80211_sub_if_data *sdata,
 306                                        struct ieee80211_key_conf *conf,
 307                                        struct sta_info *sta, u32 iv32,
 308                                        u16 *phase1key)
 309 {
 310         struct ieee80211_sta *ista = NULL;
 311
 312         if (sta)
 313                 ista = &sta->sta;
 314
 315         sdata = get_bss_sdata(sdata);
 316         check_sdata_in_driver(sdata);
 317
 318         trace_drv_update_tkip_key(local, sdata, conf, ista, iv32);
 319         if (local->ops->update_tkip_key)
 320                 local->ops->update_tkip_key(&local->hw, &sdata->vif, conf,
 321                                             ista, iv32, phase1key);
 322         trace_drv_return_void(local);
 323 }
 324
 325 static inline int drv_hw_scan(struct ieee80211_local *local,
 326                               struct ieee80211_sub_if_data *sdata,
 327                               struct cfg80211_scan_request *req)
 328 {
 329         int ret;
 330
 331         might_sleep();
 332
 333         check_sdata_in_driver(sdata);
 334
 335         trace_drv_hw_scan(local, sdata);
 336         ret = local->ops->hw_scan(&local->hw, &sdata->vif, req);
 337         trace_drv_return_int(local, ret);
 338         return ret;
 339 }
 340
 341 static inline void drv_cancel_hw_scan(struct ieee80211_local *local,
 342                                       struct ieee80211_sub_if_data *sdata)
 343 {
 344         might_sleep();
 345
 346         check_sdata_in_driver(sdata);
 347
 348         trace_drv_cancel_hw_scan(local, sdata);
 349         local->ops->cancel_hw_scan(&local->hw, &sdata->vif);
 350         trace_drv_return_void(local);
 351 }
 352
 353 static inline int
 354 drv_sched_scan_start(struct ieee80211_local *local,
 355                      struct ieee80211_sub_if_data *sdata,
 356                      struct cfg80211_sched_scan_request *req,
 357                      struct ieee80211_sched_scan_ies *ies)
 358 {
 359         int ret;
 360
 361         might_sleep();
 362
 363         check_sdata_in_driver(sdata);
 364
 365         trace_drv_sched_scan_start(local, sdata);
 366         ret = local->ops->sched_scan_start(&local->hw, &sdata->vif,
 367                                               req, ies);
 368         trace_drv_return_int(local, ret);
 369         return ret;
 370 }
 371
 372 static inline void drv_sched_scan_stop(struct ieee80211_local *local,
 373                                        struct ieee80211_sub_if_data *sdata)
 374 {
 375         might_sleep();
 376
 377         check_sdata_in_driver(sdata);
 378
 379         trace_drv_sched_scan_stop(local, sdata);
 380         local->ops->sched_scan_stop(&local->hw, &sdata->vif);
 381         trace_drv_return_void(local);
 382 }
 383
 384 static inline void drv_sw_scan_start(struct ieee80211_local *local)
 385 {
 386         might_sleep();
 387
 388         trace_drv_sw_scan_start(local);
 389         if (local->ops->sw_scan_start)
 390                 local->ops->sw_scan_start(&local->hw);
 391         trace_drv_return_void(local);
 392 }
 393
 394 static inline void drv_sw_scan_complete(struct ieee80211_local *local)
 395 {
 396         might_sleep();
 397
 398         trace_drv_sw_scan_complete(local);
 399         if (local->ops->sw_scan_complete)
 400                 local->ops->sw_scan_complete(&local->hw);
 401         trace_drv_return_void(local);
 402 }
 403
 404 static inline int drv_get_stats(struct ieee80211_local *local,
 405                                 struct ieee80211_low_level_stats *stats)
 406 {
 407         int ret = -EOPNOTSUPP;
 408
 409         might_sleep();
 410
 411         if (local->ops->get_stats)
 412                 ret = local->ops->get_stats(&local->hw, stats);
 413         trace_drv_get_stats(local, stats, ret);
 414
 415         return ret;
 416 }
 417
 418 static inline void drv_get_tkip_seq(struct ieee80211_local *local,
 419                                     u8 hw_key_idx, u32 *iv32, u16 *iv16)
 420 {
 421         if (local->ops->get_tkip_seq)
 422                 local->ops->get_tkip_seq(&local->hw, hw_key_idx, iv32, iv16);
 423         trace_drv_get_tkip_seq(local, hw_key_idx, iv32, iv16);
 424 }
 425
 426 static inline int drv_set_frag_threshold(struct ieee80211_local *local,
 427                                         u32 value)
 428 {
 429         int ret = 0;
 430
 431         might_sleep();
 432
 433         trace_drv_set_frag_threshold(local, value);
 434         if (local->ops->set_frag_threshold)
 435                 ret = local->ops->set_frag_threshold(&local->hw, value);
 436         trace_drv_return_int(local, ret);
 437         return ret;
 438 }
 439
 440 static inline int drv_set_rts_threshold(struct ieee80211_local *local,
 441                                         u32 value)
 442 {
 443         int ret = 0;
 444
 445         might_sleep();
 446
 447         trace_drv_set_rts_threshold(local, value);
 448         if (local->ops->set_rts_threshold)
 449                 ret = local->ops->set_rts_threshold(&local->hw, value);
 450         trace_drv_return_int(local, ret);
 451         return ret;
 452 }
 453
 454 static inline int drv_set_coverage_class(struct ieee80211_local *local,
 455                                          u8 value)
 456 {
 457         int ret = 0;
 458         might_sleep();
 459
 460         trace_drv_set_coverage_class(local, value);
 461         if (local->ops->set_coverage_class)
 462                 local->ops->set_coverage_class(&local->hw, value);
 463         else
 464                 ret = -EOPNOTSUPP;
 465
 466         trace_drv_return_int(local, ret);
 467         return ret;
 468 }
 469
 470 static inline void drv_sta_notify(struct ieee80211_local *local,
 471                                   struct ieee80211_sub_if_data *sdata,
 472                                   enum sta_notify_cmd cmd,
 473                                   struct ieee80211_sta *sta)
 474 {
 475         sdata = get_bss_sdata(sdata);
 476         check_sdata_in_driver(sdata);
 477
 478         trace_drv_sta_notify(local, sdata, cmd, sta);
 479         if (local->ops->sta_notify)
 480                 local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta);
 481         trace_drv_return_void(local);
 482 }
 483
 484 static inline int drv_sta_add(struct ieee80211_local *local,
 485                               struct ieee80211_sub_if_data *sdata,
 486                               struct ieee80211_sta *sta)
 487 {
 488         int ret = 0;
 489
 490         might_sleep();
 491
 492         sdata = get_bss_sdata(sdata);
 493         check_sdata_in_driver(sdata);
 494
 495         trace_drv_sta_add(local, sdata, sta);
 496         if (local->ops->sta_add)
 497                 ret = local->ops->sta_add(&local->hw, &sdata->vif, sta);
 498
 499         trace_drv_return_int(local, ret);
 500
 501         return ret;
 502 }
 503
 504 static inline void drv_sta_remove(struct ieee80211_local *local,
 505                                   struct ieee80211_sub_if_data *sdata,
 506                                   struct ieee80211_sta *sta)
 507 {
 508         might_sleep();
 509
 510         sdata = get_bss_sdata(sdata);
 511         check_sdata_in_driver(sdata);
 512
 513         trace_drv_sta_remove(local, sdata, sta);
 514         if (local->ops->sta_remove)
 515                 local->ops->sta_remove(&local->hw, &sdata->vif, sta);
 516
 517         trace_drv_return_void(local);
 518 }
 519
 520 #ifdef CONFIG_MAC80211_DEBUGFS
 521 static inline void drv_sta_add_debugfs(struct ieee80211_local *local,
 522                                        struct ieee80211_sub_if_data *sdata,
 523                                        struct ieee80211_sta *sta,
 524                                        struct dentry *dir)
 525 {
 526         might_sleep();
 527
 528         sdata = get_bss_sdata(sdata);
 529         check_sdata_in_driver(sdata);
 530
 531         if (local->ops->sta_add_debugfs)
 532                 local->ops->sta_add_debugfs(&local->hw, &sdata->vif,
 533                                             sta, dir);
 534 }
 535
 536 static inline void drv_sta_remove_debugfs(struct ieee80211_local *local,
 537                                           struct ieee80211_sub_if_data *sdata,
 538                                           struct ieee80211_sta *sta,
 539                                           struct dentry *dir)
 540 {
 541         might_sleep();
 542
 543         sdata = get_bss_sdata(sdata);
 544         check_sdata_in_driver(sdata);
 545
 546         if (local->ops->sta_remove_debugfs)
 547                 local->ops->sta_remove_debugfs(&local->hw, &sdata->vif,
 548                                                sta, dir);
 549 }
 550 #endif
 551
 552 static inline __must_check
 553 int drv_sta_state(struct ieee80211_local *local,
 554                   struct ieee80211_sub_if_data *sdata,
 555                   struct sta_info *sta,
 556                   enum ieee80211_sta_state old_state,
 557                   enum ieee80211_sta_state new_state)
 558 {
 559         int ret = 0;
 560
 561         might_sleep();
 562
 563         sdata = get_bss_sdata(sdata);
 564         check_sdata_in_driver(sdata);
 565
 566         trace_drv_sta_state(local, sdata, &sta->sta, old_state, new_state);
 567         if (local->ops->sta_state) {
 568                 ret = local->ops->sta_state(&local->hw, &sdata->vif, &sta->sta,
 569                                             old_state, new_state);
 570         } else if (old_state == IEEE80211_STA_AUTH &&
 571                    new_state == IEEE80211_STA_ASSOC) {
 572                 ret = drv_sta_add(local, sdata, &sta->sta);
 573                 if (ret == 0)
 574                         sta->uploaded = true;
 575         } else if (old_state == IEEE80211_STA_ASSOC &&
 576                    new_state == IEEE80211_STA_AUTH) {
 577                 drv_sta_remove(local, sdata, &sta->sta);
 578         }
 579         trace_drv_return_int(local, ret);
 580         return ret;
 581 }
 582
 583 static inline void drv_sta_rc_update(struct ieee80211_local *local,
 584                                      struct ieee80211_sub_if_data *sdata,
 585                                      struct ieee80211_sta *sta, u32 changed)
 586 {
 587         sdata = get_bss_sdata(sdata);
 588         check_sdata_in_driver(sdata);
 589
 590         WARN_ON(changed & IEEE80211_RC_SUPP_RATES_CHANGED &&
 591                 (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
 592                  sdata->vif.type != NL80211_IFTYPE_MESH_POINT));
 593
 594         trace_drv_sta_rc_update(local, sdata, sta, changed);
 595         if (local->ops->sta_rc_update)
 596                 local->ops->sta_rc_update(&local->hw, &sdata->vif,
 597                                           sta, changed);
 598
 599         trace_drv_return_void(local);
 600 }
 601
 602 static inline int drv_conf_tx(struct ieee80211_local *local,
 603                               struct ieee80211_sub_if_data *sdata, u16 ac,
 604                               const struct ieee80211_tx_queue_params *params)
 605 {
 606         int ret = -EOPNOTSUPP;
 607
 608         might_sleep();
 609
 610         check_sdata_in_driver(sdata);
 611
 612         trace_drv_conf_tx(local, sdata, ac, params);
 613         if (local->ops->conf_tx)
 614                 ret = local->ops->conf_tx(&local->hw, &sdata->vif,
 615                                           ac, params);
 616         trace_drv_return_int(local, ret);
 617         return ret;
 618 }
 619
 620 static inline u64 drv_get_tsf(struct ieee80211_local *local,
 621                               struct ieee80211_sub_if_data *sdata)
 622 {
 623         u64 ret = -1ULL;
 624
 625         might_sleep();
 626
 627         check_sdata_in_driver(sdata);
 628
 629         trace_drv_get_tsf(local, sdata);
 630         if (local->ops->get_tsf)
 631                 ret = local->ops->get_tsf(&local->hw, &sdata->vif);
 632         trace_drv_return_u64(local, ret);
 633         return ret;
 634 }
 635
 636 static inline void drv_set_tsf(struct ieee80211_local *local,
 637                                struct ieee80211_sub_if_data *sdata,
 638                                u64 tsf)
 639 {
 640         might_sleep();
 641
 642         check_sdata_in_driver(sdata);
 643
 644         trace_drv_set_tsf(local, sdata, tsf);
 645         if (local->ops->set_tsf)
 646                 local->ops->set_tsf(&local->hw, &sdata->vif, tsf);
 647         trace_drv_return_void(local);
 648 }
 649
 650 static inline void drv_reset_tsf(struct ieee80211_local *local,
 651                                  struct ieee80211_sub_if_data *sdata)
 652 {
 653         might_sleep();
 654
 655         check_sdata_in_driver(sdata);
 656
 657         trace_drv_reset_tsf(local, sdata);
 658         if (local->ops->reset_tsf)
 659                 local->ops->reset_tsf(&local->hw, &sdata->vif);
 660         trace_drv_return_void(local);
 661 }
 662
 663 static inline int drv_tx_last_beacon(struct ieee80211_local *local)
 664 {
 665         int ret = 0; /* default unsupported op for less congestion */
 666
 667         might_sleep();
 668
 669         trace_drv_tx_last_beacon(local);
 670         if (local->ops->tx_last_beacon)
 671                 ret = local->ops->tx_last_beacon(&local->hw);
 672         trace_drv_return_int(local, ret);
 673         return ret;
 674 }
 675
 676 static inline int drv_ampdu_action(struct ieee80211_local *local,
 677                                    struct ieee80211_sub_if_data *sdata,
 678                                    enum ieee80211_ampdu_mlme_action action,
 679                                    struct ieee80211_sta *sta, u16 tid,
 680                                    u16 *ssn, u8 buf_size)
 681 {
 682         int ret = -EOPNOTSUPP;
 683
 684         might_sleep();
 685
 686         sdata = get_bss_sdata(sdata);
 687         check_sdata_in_driver(sdata);
 688
 689         trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, buf_size);
 690
 691         if (local->ops->ampdu_action)
 692                 ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
 693                                                sta, tid, ssn, buf_size);
 694
 695         trace_drv_return_int(local, ret);
 696
 697         return ret;
 698 }
 699
 700 static inline int drv_get_survey(struct ieee80211_local *local, int idx,
 701                                 struct survey_info *survey)
 702 {
 703         int ret = -EOPNOTSUPP;
 704
 705         trace_drv_get_survey(local, idx, survey);
 706
 707         if (local->ops->get_survey)
 708                 ret = local->ops->get_survey(&local->hw, idx, survey);
 709
 710         trace_drv_return_int(local, ret);
 711
 712         return ret;
 713 }
 714
 715 static inline void drv_rfkill_poll(struct ieee80211_local *local)
 716 {
 717         might_sleep();
 718
 719         if (local->ops->rfkill_poll)
 720                 local->ops->rfkill_poll(&local->hw);
 721 }
 722
 723 static inline void drv_flush(struct ieee80211_local *local,
 724                              u32 queues, bool drop)
 725 {
 726         might_sleep();
 727
 728         trace_drv_flush(local, queues, drop);
 729         if (local->ops->flush)
 730                 local->ops->flush(&local->hw, queues, drop);
 731         trace_drv_return_void(local);
 732 }
 733
 734 static inline void drv_channel_switch(struct ieee80211_local *local,
 735                                      struct ieee80211_channel_switch *ch_switch)
 736 {
 737         might_sleep();
 738
 739         trace_drv_channel_switch(local, ch_switch);
 740         local->ops->channel_switch(&local->hw, ch_switch);
 741         trace_drv_return_void(local);
 742 }
 743
 744
 745 static inline int drv_set_antenna(struct ieee80211_local *local,
 746                                   u32 tx_ant, u32 rx_ant)
 747 {
 748         int ret = -EOPNOTSUPP;
 749         might_sleep();
 750         if (local->ops->set_antenna)
 751                 ret = local->ops->set_antenna(&local->hw, tx_ant, rx_ant);
 752         trace_drv_set_antenna(local, tx_ant, rx_ant, ret);
 753         return ret;
 754 }
 755
 756 static inline int drv_get_antenna(struct ieee80211_local *local,
 757                                   u32 *tx_ant, u32 *rx_ant)
 758 {
 759         int ret = -EOPNOTSUPP;
 760         might_sleep();
 761         if (local->ops->get_antenna)
 762                 ret = local->ops->get_antenna(&local->hw, tx_ant, rx_ant);
 763         trace_drv_get_antenna(local, *tx_ant, *rx_ant, ret);
 764         return ret;
 765 }
 766
 767 static inline int drv_remain_on_channel(struct ieee80211_local *local,
 768                                         struct ieee80211_sub_if_data *sdata,
 769                                         struct ieee80211_channel *chan,
 770                                         unsigned int duration,
 771                                         enum ieee80211_roc_type type)
 772 {
 773         int ret;
 774
 775         might_sleep();
 776
 777         trace_drv_remain_on_channel(local, sdata, chan, duration, type);
 778         ret = local->ops->remain_on_channel(&local->hw, &sdata->vif,
 779                                             chan, duration, type);
 780         trace_drv_return_int(local, ret);
 781
 782         return ret;
 783 }
 784
 785 static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local)
 786 {
 787         int ret;
 788
 789         might_sleep();
 790
 791         trace_drv_cancel_remain_on_channel(local);
 792         ret = local->ops->cancel_remain_on_channel(&local->hw);
 793         trace_drv_return_int(local, ret);
 794
 795         return ret;
 796 }
 797
 798 static inline int drv_set_ringparam(struct ieee80211_local *local,
 799                                     u32 tx, u32 rx)
 800 {
 801         int ret = -ENOTSUPP;
 802
 803         might_sleep();
 804
 805         trace_drv_set_ringparam(local, tx, rx);
 806         if (local->ops->set_ringparam)
 807                 ret = local->ops->set_ringparam(&local->hw, tx, rx);
 808         trace_drv_return_int(local, ret);
 809
 810         return ret;
 811 }
 812
 813 static inline void drv_get_ringparam(struct ieee80211_local *local,
 814                                      u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
 815 {
 816         might_sleep();
 817
 818         trace_drv_get_ringparam(local, tx, tx_max, rx, rx_max);
 819         if (local->ops->get_ringparam)
 820                 local->ops->get_ringparam(&local->hw, tx, tx_max, rx, rx_max);
 821         trace_drv_return_void(local);
 822 }
 823
 824 static inline bool drv_tx_frames_pending(struct ieee80211_local *local)
 825 {
 826         bool ret = false;
 827
 828         might_sleep();
 829
 830         trace_drv_tx_frames_pending(local);
 831         if (local->ops->tx_frames_pending)
 832                 ret = local->ops->tx_frames_pending(&local->hw);
 833         trace_drv_return_bool(local, ret);
 834
 835         return ret;
 836 }
 837
 838 static inline int drv_set_bitrate_mask(struct ieee80211_local *local,
 839                                        struct ieee80211_sub_if_data *sdata,
 840                                        const struct cfg80211_bitrate_mask *mask)
 841 {
 842         int ret = -EOPNOTSUPP;
 843
 844         might_sleep();
 845
 846         check_sdata_in_driver(sdata);
 847
 848         trace_drv_set_bitrate_mask(local, sdata, mask);
 849         if (local->ops->set_bitrate_mask)
 850                 ret = local->ops->set_bitrate_mask(&local->hw,
 851                                                    &sdata->vif, mask);
 852         trace_drv_return_int(local, ret);
 853
 854         return ret;
 855 }
 856
 857 static inline void drv_set_rekey_data(struct ieee80211_local *local,
 858                                       struct ieee80211_sub_if_data *sdata,
 859                                       struct cfg80211_gtk_rekey_data *data)
 860 {
 861         check_sdata_in_driver(sdata);
 862
 863         trace_drv_set_rekey_data(local, sdata, data);
 864         if (local->ops->set_rekey_data)
 865                 local->ops->set_rekey_data(&local->hw, &sdata->vif, data);
 866         trace_drv_return_void(local);
 867 }
 868
 869 static inline void drv_rssi_callback(struct ieee80211_local *local,
 870                                      struct ieee80211_sub_if_data *sdata,
 871                                      const enum ieee80211_rssi_event event)
 872 {
 873         trace_drv_rssi_callback(local, sdata, event);
 874         if (local->ops->rssi_callback)
 875                 local->ops->rssi_callback(&local->hw, &sdata->vif, event);
 876         trace_drv_return_void(local);
 877 }
 878
 879 static inline void
 880 drv_release_buffered_frames(struct ieee80211_local *local,
 881                             struct sta_info *sta, u16 tids, int num_frames,
 882                             enum ieee80211_frame_release_type reason,
 883                             bool more_data)
 884 {
 885         trace_drv_release_buffered_frames(local, &sta->sta, tids, num_frames,
 886                                           reason, more_data);
 887         if (local->ops->release_buffered_frames)
 888                 local->ops->release_buffered_frames(&local->hw, &sta->sta, tids,
 889                                                     num_frames, reason,
 890                                                     more_data);
 891         trace_drv_return_void(local);
 892 }
 893
 894 static inline void
 895 drv_allow_buffered_frames(struct ieee80211_local *local,
 896                           struct sta_info *sta, u16 tids, int num_frames,
 897                           enum ieee80211_frame_release_type reason,
 898                           bool more_data)
 899 {
 900         trace_drv_allow_buffered_frames(local, &sta->sta, tids, num_frames,
 901                                         reason, more_data);
 902         if (local->ops->allow_buffered_frames)
 903                 local->ops->allow_buffered_frames(&local->hw, &sta->sta,
 904                                                   tids, num_frames, reason,
 905                                                   more_data);
 906         trace_drv_return_void(local);
 907 }
 908
 909 static inline int drv_get_rssi(struct ieee80211_local *local,
 910                                 struct ieee80211_sub_if_data *sdata,
 911                                 struct ieee80211_sta *sta,
 912                                 s8 *rssi_dbm)
 913 {
 914         int ret;
 915
 916         might_sleep();
 917
 918         ret = local->ops->get_rssi(&local->hw, &sdata->vif, sta, rssi_dbm);
 919         trace_drv_get_rssi(local, sta, *rssi_dbm, ret);
 920
 921         return ret;
 922 }
 923
 924 static inline void drv_mgd_prepare_tx(struct ieee80211_local *local,
 925                                       struct ieee80211_sub_if_data *sdata)
 926 {
 927         might_sleep();
 928
 929         check_sdata_in_driver(sdata);
 930         WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION);
 931
 932         trace_drv_mgd_prepare_tx(local, sdata);
 933         if (local->ops->mgd_prepare_tx)
 934                 local->ops->mgd_prepare_tx(&local->hw, &sdata->vif);
 935         trace_drv_return_void(local);
 936 }
 937
 938 static inline int drv_add_chanctx(struct ieee80211_local *local,
 939                                   struct ieee80211_chanctx *ctx)
 940 {
 941         int ret = -EOPNOTSUPP;
 942
 943         trace_drv_add_chanctx(local, ctx);
 944         if (local->ops->add_chanctx)
 945                 ret = local->ops->add_chanctx(&local->hw, &ctx->conf);
 946         trace_drv_return_int(local, ret);
 947         if (!ret)
 948                 ctx->driver_present = true;
 949
 950         return ret;
 951 }
 952
 953 static inline void drv_remove_chanctx(struct ieee80211_local *local,
 954                                       struct ieee80211_chanctx *ctx)
 955 {
 956         trace_drv_remove_chanctx(local, ctx);
 957         if (local->ops->remove_chanctx)
 958                 local->ops->remove_chanctx(&local->hw, &ctx->conf);
 959         trace_drv_return_void(local);
 960         ctx->driver_present = false;
 961 }
 962
 963 static inline void drv_change_chanctx(struct ieee80211_local *local,
 964                                       struct ieee80211_chanctx *ctx,
 965                                       u32 changed)
 966 {
 967         trace_drv_change_chanctx(local, ctx, changed);
 968         if (local->ops->change_chanctx) {
 969                 WARN_ON_ONCE(!ctx->driver_present);
 970                 local->ops->change_chanctx(&local->hw, &ctx->conf, changed);
 971         }
 972         trace_drv_return_void(local);
 973 }
 974
 975 static inline int drv_assign_vif_chanctx(struct ieee80211_local *local,
 976                                          struct ieee80211_sub_if_data *sdata,
 977                                          struct ieee80211_chanctx *ctx)
 978 {
 979         int ret = 0;
 980
 981         check_sdata_in_driver(sdata);
 982
 983         trace_drv_assign_vif_chanctx(local, sdata, ctx);
 984         if (local->ops->assign_vif_chanctx) {
 985                 WARN_ON_ONCE(!ctx->driver_present);
 986                 ret = local->ops->assign_vif_chanctx(&local->hw,
 987                                                      &sdata->vif,
 988                                                      &ctx->conf);
 989         }
 990         trace_drv_return_int(local, ret);
 991
 992         return ret;
 993 }
 994
 995 static inline void drv_unassign_vif_chanctx(struct ieee80211_local *local,
 996                                             struct ieee80211_sub_if_data *sdata,
 997                                             struct ieee80211_chanctx *ctx)
 998 {
 999         check_sdata_in_driver(sdata);
1000
1001         trace_drv_unassign_vif_chanctx(local, sdata, ctx);
1002         if (local->ops->unassign_vif_chanctx) {
1003                 WARN_ON_ONCE(!ctx->driver_present);
1004                 local->ops->unassign_vif_chanctx(&local->hw,
1005                                                  &sdata->vif,
1006                                                  &ctx->conf);
1007         }
1008         trace_drv_return_void(local);
1009 }
1010
1011 static inline int drv_start_ap(struct ieee80211_local *local,
1012                                struct ieee80211_sub_if_data *sdata)
1013 {
1014         int ret = 0;
1015
1016         check_sdata_in_driver(sdata);
1017
1018         trace_drv_start_ap(local, sdata, &sdata->vif.bss_conf);
1019         if (local->ops->start_ap)
1020                 ret = local->ops->start_ap(&local->hw, &sdata->vif);
1021         trace_drv_return_int(local, ret);
1022         return ret;
1023 }
1024
1025 static inline void drv_stop_ap(struct ieee80211_local *local,
1026                                struct ieee80211_sub_if_data *sdata)
1027 {
1028         check_sdata_in_driver(sdata);
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 drv_restart_complete(struct ieee80211_local *local)
1037 {
1038         might_sleep();
1039
1040         trace_drv_restart_complete(local);
1041         if (local->ops->restart_complete)
1042                 local->ops->restart_complete(&local->hw);
1043         trace_drv_return_void(local);
1044 }
1045
1046 static inline void
1047 drv_set_default_unicast_key(struct ieee80211_local *local,
1048                             struct ieee80211_sub_if_data *sdata,
1049                             int key_idx)
1050 {
1051         check_sdata_in_driver(sdata);
1052
1053         WARN_ON_ONCE(key_idx < -1 || key_idx > 3);
1054
1055         trace_drv_set_default_unicast_key(local, sdata, key_idx);
1056         if (local->ops->set_default_unicast_key)
1057                 local->ops->set_default_unicast_key(&local->hw, &sdata->vif,
1058                                                     key_idx);
1059         trace_drv_return_void(local);
1060 }
1061
1062 #if IS_ENABLED(CONFIG_IPV6)
1063 static inline void drv_ipv6_addr_change(struct ieee80211_local *local,
1064                                         struct ieee80211_sub_if_data *sdata,
1065                                         struct inet6_dev *idev)
1066 {
1067         trace_drv_ipv6_addr_change(local, sdata);
1068         if (local->ops->ipv6_addr_change)
1069                 local->ops->ipv6_addr_change(&local->hw, &sdata->vif, idev);
1070         trace_drv_return_void(local);
1071 }
1072 #endif
1073
1074 #endif /* __MAC80211_DRIVER_OPS */