net/wireless/core.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Wireless configuration interface internals.
   4  *
   5  * Copyright 2006-2010  Johannes Berg <johannes@sipsolutions.net>
   6  * Copyright (C) 2018-2020 Intel Corporation
   7  */
   8 #ifndef __NET_WIRELESS_CORE_H
   9 #define __NET_WIRELESS_CORE_H
  10 #include <linux/list.h>
  11 #include <linux/netdevice.h>
  12 #include <linux/rbtree.h>
  13 #include <linux/debugfs.h>
  14 #include <linux/rfkill.h>
  15 #include <linux/workqueue.h>
  16 #include <linux/rtnetlink.h>
  17 #include <net/genetlink.h>
  18 #include <net/cfg80211.h>
  19 #include "reg.h"
  20
  21
  22 #define WIPHY_IDX_INVALID       -1
  23
  24 struct cfg80211_registered_device {
  25         const struct cfg80211_ops *ops;
  26         struct list_head list;
  27
  28         /* rfkill support */
  29         struct rfkill_ops rfkill_ops;
  30         struct rfkill *rfkill;
  31         struct work_struct rfkill_block;
  32
  33         /* ISO / IEC 3166 alpha2 for which this device is receiving
  34          * country IEs on, this can help disregard country IEs from APs
  35          * on the same alpha2 quickly. The alpha2 may differ from
  36          * cfg80211_regdomain's alpha2 when an intersection has occurred.
  37          * If the AP is reconfigured this can also be used to tell us if
  38          * the country on the country IE changed. */
  39         char country_ie_alpha2[2];
  40
  41         /*
  42          * the driver requests the regulatory core to set this regulatory
  43          * domain as the wiphy's. Only used for %REGULATORY_WIPHY_SELF_MANAGED
  44          * devices using the regulatory_set_wiphy_regd() API
  45          */
  46         const struct ieee80211_regdomain *requested_regd;
  47
  48         /* If a Country IE has been received this tells us the environment
  49          * which its telling us its in. This defaults to ENVIRON_ANY */
  50         enum environment_cap env;
  51
  52         /* wiphy index, internal only */
  53         int wiphy_idx;
  54
  55         /* protected by RTNL */
  56         int devlist_generation, wdev_id;
  57         int opencount;
  58         wait_queue_head_t dev_wait;
  59
  60         struct list_head beacon_registrations;
  61         spinlock_t beacon_registrations_lock;
  62
  63         /* protected by RTNL only */
  64         int num_running_ifaces;
  65         int num_running_monitor_ifaces;
  66         u64 cookie_counter;
  67
  68         /* BSSes/scanning */
  69         spinlock_t bss_lock;
  70         struct list_head bss_list;
  71         struct rb_root bss_tree;
  72         u32 bss_generation;
  73         u32 bss_entries;
  74         struct cfg80211_scan_request *scan_req; /* protected by RTNL */
  75         struct cfg80211_scan_request *int_scan_req;
  76         struct sk_buff *scan_msg;
  77         struct list_head sched_scan_req_list;
  78         time64_t suspend_at;
  79         struct work_struct scan_done_wk;
  80
  81         struct genl_info *cur_cmd_info;
  82
  83         struct work_struct conn_work;
  84         struct work_struct event_work;
  85
  86         struct delayed_work dfs_update_channels_wk;
  87
  88         /* netlink port which started critical protocol (0 means not started) */
  89         u32 crit_proto_nlportid;
  90
  91         struct cfg80211_coalesce *coalesce;
  92
  93         struct work_struct destroy_work;
  94         struct work_struct sched_scan_stop_wk;
  95         struct work_struct sched_scan_res_wk;
  96
  97         struct cfg80211_chan_def radar_chandef;
  98         struct work_struct propagate_radar_detect_wk;
  99
 100         struct cfg80211_chan_def cac_done_chandef;
 101         struct work_struct propagate_cac_done_wk;
 102
 103         struct work_struct mgmt_registrations_update_wk;
 104         /* lock for all wdev lists */
 105         spinlock_t mgmt_registrations_lock;
 106
 107         /* must be last because of the way we do wiphy_priv(),
 108          * and it should at least be aligned to NETDEV_ALIGN */
 109         struct wiphy wiphy __aligned(NETDEV_ALIGN);
 110 };
 111
 112 static inline
 113 struct cfg80211_registered_device *wiphy_to_rdev(struct wiphy *wiphy)
 114 {
 115         BUG_ON(!wiphy);
 116         return container_of(wiphy, struct cfg80211_registered_device, wiphy);
 117 }
 118
 119 static inline void
 120 cfg80211_rdev_free_wowlan(struct cfg80211_registered_device *rdev)
 121 {
 122 #ifdef CONFIG_PM
 123         int i;
 124
 125         if (!rdev->wiphy.wowlan_config)
 126                 return;
 127         for (i = 0; i < rdev->wiphy.wowlan_config->n_patterns; i++)
 128                 kfree(rdev->wiphy.wowlan_config->patterns[i].mask);
 129         kfree(rdev->wiphy.wowlan_config->patterns);
 130         if (rdev->wiphy.wowlan_config->tcp &&
 131             rdev->wiphy.wowlan_config->tcp->sock)
 132                 sock_release(rdev->wiphy.wowlan_config->tcp->sock);
 133         kfree(rdev->wiphy.wowlan_config->tcp);
 134         kfree(rdev->wiphy.wowlan_config->nd_config);
 135         kfree(rdev->wiphy.wowlan_config);
 136 #endif
 137 }
 138
 139 static inline u64 cfg80211_assign_cookie(struct cfg80211_registered_device *rdev)
 140 {
 141         u64 r = ++rdev->cookie_counter;
 142
 143         if (WARN_ON(r == 0))
 144                 r = ++rdev->cookie_counter;
 145
 146         return r;
 147 }
 148
 149 extern struct workqueue_struct *cfg80211_wq;
 150 extern struct list_head cfg80211_rdev_list;
 151 extern int cfg80211_rdev_list_generation;
 152
 153 struct cfg80211_internal_bss {
 154         struct list_head list;
 155         struct list_head hidden_list;
 156         struct rb_node rbn;
 157         u64 ts_boottime;
 158         unsigned long ts;
 159         unsigned long refcount;
 160         atomic_t hold;
 161
 162         /* time at the start of the reception of the first octet of the
 163          * timestamp field of the last beacon/probe received for this BSS.
 164          * The time is the TSF of the BSS specified by %parent_bssid.
 165          */
 166         u64 parent_tsf;
 167
 168         /* the BSS according to which %parent_tsf is set. This is set to
 169          * the BSS that the interface that requested the scan was connected to
 170          * when the beacon/probe was received.
 171          */
 172         u8 parent_bssid[ETH_ALEN] __aligned(2);
 173
 174         /* must be last because of priv member */
 175         struct cfg80211_bss pub;
 176 };
 177
 178 static inline struct cfg80211_internal_bss *bss_from_pub(struct cfg80211_bss *pub)
 179 {
 180         return container_of(pub, struct cfg80211_internal_bss, pub);
 181 }
 182
 183 static inline void cfg80211_hold_bss(struct cfg80211_internal_bss *bss)
 184 {
 185         atomic_inc(&bss->hold);
 186         if (bss->pub.transmitted_bss) {
 187                 bss = container_of(bss->pub.transmitted_bss,
 188                                    struct cfg80211_internal_bss, pub);
 189                 atomic_inc(&bss->hold);
 190         }
 191 }
 192
 193 static inline void cfg80211_unhold_bss(struct cfg80211_internal_bss *bss)
 194 {
 195         int r = atomic_dec_return(&bss->hold);
 196         WARN_ON(r < 0);
 197         if (bss->pub.transmitted_bss) {
 198                 bss = container_of(bss->pub.transmitted_bss,
 199                                    struct cfg80211_internal_bss, pub);
 200                 r = atomic_dec_return(&bss->hold);
 201                 WARN_ON(r < 0);
 202         }
 203 }
 204
 205
 206 struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx);
 207 int get_wiphy_idx(struct wiphy *wiphy);
 208
 209 struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx);
 210
 211 int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,
 212                           struct net *net);
 213
 214 void cfg80211_init_wdev(struct wireless_dev *wdev);
 215 void cfg80211_register_wdev(struct cfg80211_registered_device *rdev,
 216                             struct wireless_dev *wdev);
 217
 218 static inline void wdev_lock(struct wireless_dev *wdev)
 219         __acquires(wdev)
 220 {
 221         mutex_lock(&wdev->mtx);
 222         __acquire(wdev->mtx);
 223 }
 224
 225 static inline void wdev_unlock(struct wireless_dev *wdev)
 226         __releases(wdev)
 227 {
 228         __release(wdev->mtx);
 229         mutex_unlock(&wdev->mtx);
 230 }
 231
 232 #define ASSERT_WDEV_LOCK(wdev) lockdep_assert_held(&(wdev)->mtx)
 233
 234 static inline bool cfg80211_has_monitors_only(struct cfg80211_registered_device *rdev)
 235 {
 236         ASSERT_RTNL();
 237
 238         return rdev->num_running_ifaces == rdev->num_running_monitor_ifaces &&
 239                rdev->num_running_ifaces > 0;
 240 }
 241
 242 enum cfg80211_event_type {
 243         EVENT_CONNECT_RESULT,
 244         EVENT_ROAMED,
 245         EVENT_DISCONNECTED,
 246         EVENT_IBSS_JOINED,
 247         EVENT_STOPPED,
 248         EVENT_PORT_AUTHORIZED,
 249 };
 250
 251 struct cfg80211_event {
 252         struct list_head list;
 253         enum cfg80211_event_type type;
 254
 255         union {
 256                 struct cfg80211_connect_resp_params cr;
 257                 struct cfg80211_roam_info rm;
 258                 struct {
 259                         const u8 *ie;
 260                         size_t ie_len;
 261                         u16 reason;
 262                         bool locally_generated;
 263                 } dc;
 264                 struct {
 265                         u8 bssid[ETH_ALEN];
 266                         struct ieee80211_channel *channel;
 267                 } ij;
 268                 struct {
 269                         u8 bssid[ETH_ALEN];
 270                 } pa;
 271         };
 272 };
 273
 274 struct cfg80211_cached_keys {
 275         struct key_params params[CFG80211_MAX_WEP_KEYS];
 276         u8 data[CFG80211_MAX_WEP_KEYS][WLAN_KEY_LEN_WEP104];
 277         int def;
 278 };
 279
 280 enum cfg80211_chan_mode {
 281         CHAN_MODE_UNDEFINED,
 282         CHAN_MODE_SHARED,
 283         CHAN_MODE_EXCLUSIVE,
 284 };
 285
 286 struct cfg80211_beacon_registration {
 287         struct list_head list;
 288         u32 nlportid;
 289 };
 290
 291 struct cfg80211_cqm_config {
 292         u32 rssi_hyst;
 293         s32 last_rssi_event_value;
 294         int n_rssi_thresholds;
 295         s32 rssi_thresholds[];
 296 };
 297
 298 void cfg80211_destroy_ifaces(struct cfg80211_registered_device *rdev);
 299
 300 /* free object */
 301 void cfg80211_dev_free(struct cfg80211_registered_device *rdev);
 302
 303 int cfg80211_dev_rename(struct cfg80211_registered_device *rdev,
 304                         char *newname);
 305
 306 void ieee80211_set_bitrate_flags(struct wiphy *wiphy);
 307
 308 void cfg80211_bss_expire(struct cfg80211_registered_device *rdev);
 309 void cfg80211_bss_age(struct cfg80211_registered_device *rdev,
 310                       unsigned long age_secs);
 311 void cfg80211_update_assoc_bss_entry(struct wireless_dev *wdev,
 312                                      struct ieee80211_channel *channel);
 313
 314 /* IBSS */
 315 int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
 316                          struct net_device *dev,
 317                          struct cfg80211_ibss_params *params,
 318                          struct cfg80211_cached_keys *connkeys);
 319 void cfg80211_clear_ibss(struct net_device *dev, bool nowext);
 320 int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
 321                           struct net_device *dev, bool nowext);
 322 int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
 323                         struct net_device *dev, bool nowext);
 324 void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid,
 325                             struct ieee80211_channel *channel);
 326 int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev,
 327                             struct wireless_dev *wdev);
 328
 329 /* mesh */
 330 extern const struct mesh_config default_mesh_config;
 331 extern const struct mesh_setup default_mesh_setup;
 332 int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
 333                          struct net_device *dev,
 334                          struct mesh_setup *setup,
 335                          const struct mesh_config *conf);
 336 int __cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
 337                           struct net_device *dev);
 338 int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
 339                         struct net_device *dev);
 340 int cfg80211_set_mesh_channel(struct cfg80211_registered_device *rdev,
 341                               struct wireless_dev *wdev,
 342                               struct cfg80211_chan_def *chandef);
 343
 344 /* OCB */
 345 int __cfg80211_join_ocb(struct cfg80211_registered_device *rdev,
 346                         struct net_device *dev,
 347                         struct ocb_setup *setup);
 348 int cfg80211_join_ocb(struct cfg80211_registered_device *rdev,
 349                       struct net_device *dev,
 350                       struct ocb_setup *setup);
 351 int __cfg80211_leave_ocb(struct cfg80211_registered_device *rdev,
 352                          struct net_device *dev);
 353 int cfg80211_leave_ocb(struct cfg80211_registered_device *rdev,
 354                        struct net_device *dev);
 355
 356 /* AP */
 357 int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
 358                        struct net_device *dev, bool notify);
 359 int cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
 360                      struct net_device *dev, bool notify);
 361
 362 /* MLME */
 363 int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
 364                        struct net_device *dev,
 365                        struct ieee80211_channel *chan,
 366                        enum nl80211_auth_type auth_type,
 367                        const u8 *bssid,
 368                        const u8 *ssid, int ssid_len,
 369                        const u8 *ie, int ie_len,
 370                        const u8 *key, int key_len, int key_idx,
 371                        const u8 *auth_data, int auth_data_len);
 372 int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
 373                         struct net_device *dev,
 374                         struct ieee80211_channel *chan,
 375                         const u8 *bssid,
 376                         const u8 *ssid, int ssid_len,
 377                         struct cfg80211_assoc_request *req);
 378 int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
 379                          struct net_device *dev, const u8 *bssid,
 380                          const u8 *ie, int ie_len, u16 reason,
 381                          bool local_state_change);
 382 int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
 383                            struct net_device *dev, const u8 *bssid,
 384                            const u8 *ie, int ie_len, u16 reason,
 385                            bool local_state_change);
 386 void cfg80211_mlme_down(struct cfg80211_registered_device *rdev,
 387                         struct net_device *dev);
 388 int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid,
 389                                 u16 frame_type, const u8 *match_data,
 390                                 int match_len, bool multicast_rx,
 391                                 struct netlink_ext_ack *extack);
 392 void cfg80211_mgmt_registrations_update_wk(struct work_struct *wk);
 393 void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid);
 394 void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev);
 395 int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
 396                           struct wireless_dev *wdev,
 397                           struct cfg80211_mgmt_tx_params *params,
 398                           u64 *cookie);
 399 void cfg80211_oper_and_ht_capa(struct ieee80211_ht_cap *ht_capa,
 400                                const struct ieee80211_ht_cap *ht_capa_mask);
 401 void cfg80211_oper_and_vht_capa(struct ieee80211_vht_cap *vht_capa,
 402                                 const struct ieee80211_vht_cap *vht_capa_mask);
 403
 404 /* SME events */
 405 int cfg80211_connect(struct cfg80211_registered_device *rdev,
 406                      struct net_device *dev,
 407                      struct cfg80211_connect_params *connect,
 408                      struct cfg80211_cached_keys *connkeys,
 409                      const u8 *prev_bssid);
 410 void __cfg80211_connect_result(struct net_device *dev,
 411                                struct cfg80211_connect_resp_params *params,
 412                                bool wextev);
 413 void __cfg80211_disconnected(struct net_device *dev, const u8 *ie,
 414                              size_t ie_len, u16 reason, bool from_ap);
 415 int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
 416                         struct net_device *dev, u16 reason,
 417                         bool wextev);
 418 void __cfg80211_roamed(struct wireless_dev *wdev,
 419                        struct cfg80211_roam_info *info);
 420 void __cfg80211_port_authorized(struct wireless_dev *wdev, const u8 *bssid);
 421 int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev,
 422                               struct wireless_dev *wdev);
 423 void cfg80211_autodisconnect_wk(struct work_struct *work);
 424
 425 /* SME implementation */
 426 void cfg80211_conn_work(struct work_struct *work);
 427 void cfg80211_sme_scan_done(struct net_device *dev);
 428 bool cfg80211_sme_rx_assoc_resp(struct wireless_dev *wdev, u16 status);
 429 void cfg80211_sme_rx_auth(struct wireless_dev *wdev, const u8 *buf, size_t len);
 430 void cfg80211_sme_disassoc(struct wireless_dev *wdev);
 431 void cfg80211_sme_deauth(struct wireless_dev *wdev);
 432 void cfg80211_sme_auth_timeout(struct wireless_dev *wdev);
 433 void cfg80211_sme_assoc_timeout(struct wireless_dev *wdev);
 434 void cfg80211_sme_abandon_assoc(struct wireless_dev *wdev);
 435
 436 /* internal helpers */
 437 bool cfg80211_supported_cipher_suite(struct wiphy *wiphy, u32 cipher);
 438 bool cfg80211_valid_key_idx(struct cfg80211_registered_device *rdev,
 439                             int key_idx, bool pairwise);
 440 int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev,
 441                                    struct key_params *params, int key_idx,
 442                                    bool pairwise, const u8 *mac_addr);
 443 void __cfg80211_scan_done(struct work_struct *wk);
 444 void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev,
 445                            bool send_message);
 446 void cfg80211_add_sched_scan_req(struct cfg80211_registered_device *rdev,
 447                                  struct cfg80211_sched_scan_request *req);
 448 int cfg80211_sched_scan_req_possible(struct cfg80211_registered_device *rdev,
 449                                      bool want_multi);
 450 void cfg80211_sched_scan_results_wk(struct work_struct *work);
 451 int cfg80211_stop_sched_scan_req(struct cfg80211_registered_device *rdev,
 452                                  struct cfg80211_sched_scan_request *req,
 453                                  bool driver_initiated);
 454 int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev,
 455                                u64 reqid, bool driver_initiated);
 456 void cfg80211_upload_connect_keys(struct wireless_dev *wdev);
 457 int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
 458                           struct net_device *dev, enum nl80211_iftype ntype,
 459                           struct vif_params *params);
 460 void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev);
 461 void cfg80211_process_wdev_events(struct wireless_dev *wdev);
 462
 463 bool cfg80211_does_bw_fit_range(const struct ieee80211_freq_range *freq_range,
 464                                 u32 center_freq_khz, u32 bw_khz);
 465
 466 int cfg80211_scan(struct cfg80211_registered_device *rdev);
 467
 468 extern struct work_struct cfg80211_disconnect_work;
 469
 470 /**
 471  * cfg80211_chandef_dfs_usable - checks if chandef is DFS usable
 472  * @wiphy: the wiphy to validate against
 473  * @chandef: the channel definition to check
 474  *
 475  * Checks if chandef is usable and we can/need start CAC on such channel.
 476  *
 477  * Return: true if all channels available and at least
 478  *         one channel requires CAC (NL80211_DFS_USABLE)
 479  */
 480 bool cfg80211_chandef_dfs_usable(struct wiphy *wiphy,
 481                                  const struct cfg80211_chan_def *chandef);
 482
 483 void cfg80211_set_dfs_state(struct wiphy *wiphy,
 484                             const struct cfg80211_chan_def *chandef,
 485                             enum nl80211_dfs_state dfs_state);
 486
 487 void cfg80211_dfs_channels_update_work(struct work_struct *work);
 488
 489 unsigned int
 490 cfg80211_chandef_dfs_cac_time(struct wiphy *wiphy,
 491                               const struct cfg80211_chan_def *chandef);
 492
 493 void cfg80211_sched_dfs_chan_update(struct cfg80211_registered_device *rdev);
 494
 495 bool cfg80211_any_wiphy_oper_chan(struct wiphy *wiphy,
 496                                   struct ieee80211_channel *chan);
 497
 498 bool cfg80211_beaconing_iface_active(struct wireless_dev *wdev);
 499
 500 bool cfg80211_is_sub_chan(struct cfg80211_chan_def *chandef,
 501                           struct ieee80211_channel *chan);
 502
 503 static inline unsigned int elapsed_jiffies_msecs(unsigned long start)
 504 {
 505         unsigned long end = jiffies;
 506
 507         if (end >= start)
 508                 return jiffies_to_msecs(end - start);
 509
 510         return jiffies_to_msecs(end + (ULONG_MAX - start) + 1);
 511 }
 512
 513 void
 514 cfg80211_get_chan_state(struct wireless_dev *wdev,
 515                         struct ieee80211_channel **chan,
 516                         enum cfg80211_chan_mode *chanmode,
 517                         u8 *radar_detect);
 518
 519 int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev,
 520                                  struct cfg80211_chan_def *chandef);
 521
 522 int ieee80211_get_ratemask(struct ieee80211_supported_band *sband,
 523                            const u8 *rates, unsigned int n_rates,
 524                            u32 *mask);
 525
 526 int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev,
 527                                  enum nl80211_iftype iftype, u32 beacon_int);
 528
 529 void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev,
 530                                enum nl80211_iftype iftype, int num);
 531
 532 void __cfg80211_leave(struct cfg80211_registered_device *rdev,
 533                       struct wireless_dev *wdev);
 534 void cfg80211_leave(struct cfg80211_registered_device *rdev,
 535                     struct wireless_dev *wdev);
 536
 537 void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev,
 538                               struct wireless_dev *wdev);
 539
 540 void cfg80211_stop_nan(struct cfg80211_registered_device *rdev,
 541                        struct wireless_dev *wdev);
 542
 543 struct cfg80211_internal_bss *
 544 cfg80211_bss_update(struct cfg80211_registered_device *rdev,
 545                     struct cfg80211_internal_bss *tmp,
 546                     bool signal_valid, unsigned long ts);
 547 #ifdef CONFIG_CFG80211_DEVELOPER_WARNINGS
 548 #define CFG80211_DEV_WARN_ON(cond)      WARN_ON(cond)
 549 #else
 550 /*
 551  * Trick to enable using it as a condition,
 552  * and also not give a warning when it's
 553  * not used that way.
 554  */
 555 #define CFG80211_DEV_WARN_ON(cond)      ({bool __r = (cond); __r; })
 556 #endif
 557
 558 void cfg80211_cqm_config_free(struct wireless_dev *wdev);
 559
 560 void cfg80211_release_pmsr(struct wireless_dev *wdev, u32 portid);
 561 void cfg80211_pmsr_wdev_down(struct wireless_dev *wdev);
 562 void cfg80211_pmsr_free_wk(struct work_struct *work);
 563
 564 #endif /* __NET_WIRELESS_CORE_H */