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
 574         trace_drv_sta_rc_update(local, sdata, sta, changed);
 575         if (local->ops->sta_rc_update)
 576                 local->ops->sta_rc_update(&local->hw, &sdata->vif,
 577                                           sta, changed);
 578
 579         trace_drv_return_void(local);
 580 }
 581
 582 static inline int drv_conf_tx(struct ieee80211_local *local,
 583                               struct ieee80211_sub_if_data *sdata, u16 ac,
 584                               const struct ieee80211_tx_queue_params *params)
 585 {
 586         int ret = -EOPNOTSUPP;
 587
 588         might_sleep();
 589
 590         check_sdata_in_driver(sdata);
 591
 592         trace_drv_conf_tx(local, sdata, ac, params);
 593         if (local->ops->conf_tx)
 594                 ret = local->ops->conf_tx(&local->hw, &sdata->vif,
 595                                           ac, params);
 596         trace_drv_return_int(local, ret);
 597         return ret;
 598 }
 599
 600 static inline u64 drv_get_tsf(struct ieee80211_local *local,
 601                               struct ieee80211_sub_if_data *sdata)
 602 {
 603         u64 ret = -1ULL;
 604
 605         might_sleep();
 606
 607         check_sdata_in_driver(sdata);
 608
 609         trace_drv_get_tsf(local, sdata);
 610         if (local->ops->get_tsf)
 611                 ret = local->ops->get_tsf(&local->hw, &sdata->vif);
 612         trace_drv_return_u64(local, ret);
 613         return ret;
 614 }
 615
 616 static inline void drv_set_tsf(struct ieee80211_local *local,
 617                                struct ieee80211_sub_if_data *sdata,
 618                                u64 tsf)
 619 {
 620         might_sleep();
 621
 622         check_sdata_in_driver(sdata);
 623
 624         trace_drv_set_tsf(local, sdata, tsf);
 625         if (local->ops->set_tsf)
 626                 local->ops->set_tsf(&local->hw, &sdata->vif, tsf);
 627         trace_drv_return_void(local);
 628 }
 629
 630 static inline void drv_reset_tsf(struct ieee80211_local *local,
 631                                  struct ieee80211_sub_if_data *sdata)
 632 {
 633         might_sleep();
 634
 635         check_sdata_in_driver(sdata);
 636
 637         trace_drv_reset_tsf(local, sdata);
 638         if (local->ops->reset_tsf)
 639                 local->ops->reset_tsf(&local->hw, &sdata->vif);
 640         trace_drv_return_void(local);
 641 }
 642
 643 static inline int drv_tx_last_beacon(struct ieee80211_local *local)
 644 {
 645         int ret = 0; /* default unsupported op for less congestion */
 646
 647         might_sleep();
 648
 649         trace_drv_tx_last_beacon(local);
 650         if (local->ops->tx_last_beacon)
 651                 ret = local->ops->tx_last_beacon(&local->hw);
 652         trace_drv_return_int(local, ret);
 653         return ret;
 654 }
 655
 656 static inline int drv_ampdu_action(struct ieee80211_local *local,
 657                                    struct ieee80211_sub_if_data *sdata,
 658                                    enum ieee80211_ampdu_mlme_action action,
 659                                    struct ieee80211_sta *sta, u16 tid,
 660                                    u16 *ssn, u8 buf_size)
 661 {
 662         int ret = -EOPNOTSUPP;
 663
 664         might_sleep();
 665
 666         sdata = get_bss_sdata(sdata);
 667         check_sdata_in_driver(sdata);
 668
 669         trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, buf_size);
 670
 671         if (local->ops->ampdu_action)
 672                 ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
 673                                                sta, tid, ssn, buf_size);
 674
 675         trace_drv_return_int(local, ret);
 676
 677         return ret;
 678 }
 679
 680 static inline int drv_get_survey(struct ieee80211_local *local, int idx,
 681                                 struct survey_info *survey)
 682 {
 683         int ret = -EOPNOTSUPP;
 684
 685         trace_drv_get_survey(local, idx, survey);
 686
 687         if (local->ops->get_survey)
 688                 ret = local->ops->get_survey(&local->hw, idx, survey);
 689
 690         trace_drv_return_int(local, ret);
 691
 692         return ret;
 693 }
 694
 695 static inline void drv_rfkill_poll(struct ieee80211_local *local)
 696 {
 697         might_sleep();
 698
 699         if (local->ops->rfkill_poll)
 700                 local->ops->rfkill_poll(&local->hw);
 701 }
 702
 703 static inline void drv_flush(struct ieee80211_local *local, bool drop)
 704 {
 705         might_sleep();
 706
 707         trace_drv_flush(local, drop);
 708         if (local->ops->flush)
 709                 local->ops->flush(&local->hw, drop);
 710         trace_drv_return_void(local);
 711 }
 712
 713 static inline void drv_channel_switch(struct ieee80211_local *local,
 714                                      struct ieee80211_channel_switch *ch_switch)
 715 {
 716         might_sleep();
 717
 718         trace_drv_channel_switch(local, ch_switch);
 719         local->ops->channel_switch(&local->hw, ch_switch);
 720         trace_drv_return_void(local);
 721 }
 722
 723
 724 static inline int drv_set_antenna(struct ieee80211_local *local,
 725                                   u32 tx_ant, u32 rx_ant)
 726 {
 727         int ret = -EOPNOTSUPP;
 728         might_sleep();
 729         if (local->ops->set_antenna)
 730                 ret = local->ops->set_antenna(&local->hw, tx_ant, rx_ant);
 731         trace_drv_set_antenna(local, tx_ant, rx_ant, ret);
 732         return ret;
 733 }
 734
 735 static inline int drv_get_antenna(struct ieee80211_local *local,
 736                                   u32 *tx_ant, u32 *rx_ant)
 737 {
 738         int ret = -EOPNOTSUPP;
 739         might_sleep();
 740         if (local->ops->get_antenna)
 741                 ret = local->ops->get_antenna(&local->hw, tx_ant, rx_ant);
 742         trace_drv_get_antenna(local, *tx_ant, *rx_ant, ret);
 743         return ret;
 744 }
 745
 746 static inline int drv_remain_on_channel(struct ieee80211_local *local,
 747                                         struct ieee80211_sub_if_data *sdata,
 748                                         struct ieee80211_channel *chan,
 749                                         unsigned int duration)
 750 {
 751         int ret;
 752
 753         might_sleep();
 754
 755         trace_drv_remain_on_channel(local, sdata, chan, duration);
 756         ret = local->ops->remain_on_channel(&local->hw, &sdata->vif,
 757                                             chan, duration);
 758         trace_drv_return_int(local, ret);
 759
 760         return ret;
 761 }
 762
 763 static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local)
 764 {
 765         int ret;
 766
 767         might_sleep();
 768
 769         trace_drv_cancel_remain_on_channel(local);
 770         ret = local->ops->cancel_remain_on_channel(&local->hw);
 771         trace_drv_return_int(local, ret);
 772
 773         return ret;
 774 }
 775
 776 static inline int drv_set_ringparam(struct ieee80211_local *local,
 777                                     u32 tx, u32 rx)
 778 {
 779         int ret = -ENOTSUPP;
 780
 781         might_sleep();
 782
 783         trace_drv_set_ringparam(local, tx, rx);
 784         if (local->ops->set_ringparam)
 785                 ret = local->ops->set_ringparam(&local->hw, tx, rx);
 786         trace_drv_return_int(local, ret);
 787
 788         return ret;
 789 }
 790
 791 static inline void drv_get_ringparam(struct ieee80211_local *local,
 792                                      u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
 793 {
 794         might_sleep();
 795
 796         trace_drv_get_ringparam(local, tx, tx_max, rx, rx_max);
 797         if (local->ops->get_ringparam)
 798                 local->ops->get_ringparam(&local->hw, tx, tx_max, rx, rx_max);
 799         trace_drv_return_void(local);
 800 }
 801
 802 static inline bool drv_tx_frames_pending(struct ieee80211_local *local)
 803 {
 804         bool ret = false;
 805
 806         might_sleep();
 807
 808         trace_drv_tx_frames_pending(local);
 809         if (local->ops->tx_frames_pending)
 810                 ret = local->ops->tx_frames_pending(&local->hw);
 811         trace_drv_return_bool(local, ret);
 812
 813         return ret;
 814 }
 815
 816 static inline int drv_set_bitrate_mask(struct ieee80211_local *local,
 817                                        struct ieee80211_sub_if_data *sdata,
 818                                        const struct cfg80211_bitrate_mask *mask)
 819 {
 820         int ret = -EOPNOTSUPP;
 821
 822         might_sleep();
 823
 824         check_sdata_in_driver(sdata);
 825
 826         trace_drv_set_bitrate_mask(local, sdata, mask);
 827         if (local->ops->set_bitrate_mask)
 828                 ret = local->ops->set_bitrate_mask(&local->hw,
 829                                                    &sdata->vif, mask);
 830         trace_drv_return_int(local, ret);
 831
 832         return ret;
 833 }
 834
 835 static inline void drv_set_rekey_data(struct ieee80211_local *local,
 836                                       struct ieee80211_sub_if_data *sdata,
 837                                       struct cfg80211_gtk_rekey_data *data)
 838 {
 839         check_sdata_in_driver(sdata);
 840
 841         trace_drv_set_rekey_data(local, sdata, data);
 842         if (local->ops->set_rekey_data)
 843                 local->ops->set_rekey_data(&local->hw, &sdata->vif, data);
 844         trace_drv_return_void(local);
 845 }
 846
 847 static inline void drv_rssi_callback(struct ieee80211_local *local,
 848                                      const enum ieee80211_rssi_event event)
 849 {
 850         trace_drv_rssi_callback(local, event);
 851         if (local->ops->rssi_callback)
 852                 local->ops->rssi_callback(&local->hw, event);
 853         trace_drv_return_void(local);
 854 }
 855
 856 static inline void
 857 drv_release_buffered_frames(struct ieee80211_local *local,
 858                             struct sta_info *sta, u16 tids, int num_frames,
 859                             enum ieee80211_frame_release_type reason,
 860                             bool more_data)
 861 {
 862         trace_drv_release_buffered_frames(local, &sta->sta, tids, num_frames,
 863                                           reason, more_data);
 864         if (local->ops->release_buffered_frames)
 865                 local->ops->release_buffered_frames(&local->hw, &sta->sta, tids,
 866                                                     num_frames, reason,
 867                                                     more_data);
 868         trace_drv_return_void(local);
 869 }
 870
 871 static inline void
 872 drv_allow_buffered_frames(struct ieee80211_local *local,
 873                           struct sta_info *sta, u16 tids, int num_frames,
 874                           enum ieee80211_frame_release_type reason,
 875                           bool more_data)
 876 {
 877         trace_drv_allow_buffered_frames(local, &sta->sta, tids, num_frames,
 878                                         reason, more_data);
 879         if (local->ops->allow_buffered_frames)
 880                 local->ops->allow_buffered_frames(&local->hw, &sta->sta,
 881                                                   tids, num_frames, reason,
 882                                                   more_data);
 883         trace_drv_return_void(local);
 884 }
 885
 886 static inline int drv_get_rssi(struct ieee80211_local *local,
 887                                 struct ieee80211_sub_if_data *sdata,
 888                                 struct ieee80211_sta *sta,
 889                                 s8 *rssi_dbm)
 890 {
 891         int ret;
 892
 893         might_sleep();
 894
 895         ret = local->ops->get_rssi(&local->hw, &sdata->vif, sta, rssi_dbm);
 896         trace_drv_get_rssi(local, sta, *rssi_dbm, ret);
 897
 898         return ret;
 899 }
 900
 901 static inline void drv_mgd_prepare_tx(struct ieee80211_local *local,
 902                                       struct ieee80211_sub_if_data *sdata)
 903 {
 904         might_sleep();
 905
 906         check_sdata_in_driver(sdata);
 907         WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION);
 908
 909         trace_drv_mgd_prepare_tx(local, sdata);
 910         if (local->ops->mgd_prepare_tx)
 911                 local->ops->mgd_prepare_tx(&local->hw, &sdata->vif);
 912         trace_drv_return_void(local);
 913 }
 914
 915 static inline int drv_add_chanctx(struct ieee80211_local *local,
 916                                   struct ieee80211_chanctx *ctx)
 917 {
 918         int ret = -EOPNOTSUPP;
 919
 920         trace_drv_add_chanctx(local, ctx);
 921         if (local->ops->add_chanctx)
 922                 ret = local->ops->add_chanctx(&local->hw, &ctx->conf);
 923         trace_drv_return_int(local, ret);
 924         if (!ret)
 925                 ctx->driver_present = true;
 926
 927         return ret;
 928 }
 929
 930 static inline void drv_remove_chanctx(struct ieee80211_local *local,
 931                                       struct ieee80211_chanctx *ctx)
 932 {
 933         trace_drv_remove_chanctx(local, ctx);
 934         if (local->ops->remove_chanctx)
 935                 local->ops->remove_chanctx(&local->hw, &ctx->conf);
 936         trace_drv_return_void(local);
 937         ctx->driver_present = false;
 938 }
 939
 940 static inline void drv_change_chanctx(struct ieee80211_local *local,
 941                                       struct ieee80211_chanctx *ctx,
 942                                       u32 changed)
 943 {
 944         trace_drv_change_chanctx(local, ctx, changed);
 945         if (local->ops->change_chanctx) {
 946                 WARN_ON_ONCE(!ctx->driver_present);
 947                 local->ops->change_chanctx(&local->hw, &ctx->conf, changed);
 948         }
 949         trace_drv_return_void(local);
 950 }
 951
 952 static inline int drv_assign_vif_chanctx(struct ieee80211_local *local,
 953                                          struct ieee80211_sub_if_data *sdata,
 954                                          struct ieee80211_chanctx *ctx)
 955 {
 956         int ret = 0;
 957
 958         check_sdata_in_driver(sdata);
 959
 960         trace_drv_assign_vif_chanctx(local, sdata, ctx);
 961         if (local->ops->assign_vif_chanctx) {
 962                 WARN_ON_ONCE(!ctx->driver_present);
 963                 ret = local->ops->assign_vif_chanctx(&local->hw,
 964                                                      &sdata->vif,
 965                                                      &ctx->conf);
 966         }
 967         trace_drv_return_int(local, ret);
 968
 969         return ret;
 970 }
 971
 972 static inline void drv_unassign_vif_chanctx(struct ieee80211_local *local,
 973                                             struct ieee80211_sub_if_data *sdata,
 974                                             struct ieee80211_chanctx *ctx)
 975 {
 976         check_sdata_in_driver(sdata);
 977
 978         trace_drv_unassign_vif_chanctx(local, sdata, ctx);
 979         if (local->ops->unassign_vif_chanctx) {
 980                 WARN_ON_ONCE(!ctx->driver_present);
 981                 local->ops->unassign_vif_chanctx(&local->hw,
 982                                                  &sdata->vif,
 983                                                  &ctx->conf);
 984         }
 985         trace_drv_return_void(local);
 986 }
 987
 988 static inline int drv_start_ap(struct ieee80211_local *local,
 989                                struct ieee80211_sub_if_data *sdata)
 990 {
 991         int ret = 0;
 992
 993         check_sdata_in_driver(sdata);
 994
 995         trace_drv_start_ap(local, sdata, &sdata->vif.bss_conf);
 996         if (local->ops->start_ap)
 997                 ret = local->ops->start_ap(&local->hw, &sdata->vif);
 998         trace_drv_return_int(local, ret);
 999         return ret;
1000 }
1001
1002 static inline void drv_stop_ap(struct ieee80211_local *local,
1003                                struct ieee80211_sub_if_data *sdata)
1004 {
1005         check_sdata_in_driver(sdata);
1006
1007         trace_drv_stop_ap(local, sdata);
1008         if (local->ops->stop_ap)
1009                 local->ops->stop_ap(&local->hw, &sdata->vif);
1010         trace_drv_return_void(local);
1011 }
1012
1013 static inline void drv_restart_complete(struct ieee80211_local *local)
1014 {
1015         might_sleep();
1016
1017         trace_drv_restart_complete(local);
1018         if (local->ops->restart_complete)
1019                 local->ops->restart_complete(&local->hw);
1020         trace_drv_return_void(local);
1021 }
1022
1023 #endif /* __MAC80211_DRIVER_OPS */