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