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) 2018-2026 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 <linux/wait_bit.h> 18 #include <net/genetlink.h> 19 #include <net/cfg80211.h> 20 #include "reg.h" 21 22 23 /* protects the wiphy list, wiphy netns changes and regulatory state */ 24 extern struct mutex cfg80211_mutex; 25 26 #define WIPHY_IDX_INVALID -1 27 28 struct cfg80211_scan_request_int { 29 struct cfg80211_scan_info info; 30 bool notified; 31 /* 32 * set while the request is handed to the driver, i.e. between 33 * rdev_scan() and cfg80211_scan_done() 34 */ 35 bool driver_owns; 36 /* 37 * set when cfg80211 is done with the request but the driver still 38 * owns it, so that cfg80211_scan_done() knows to just free it 39 */ 40 bool stale; 41 /* must be last - variable members */ 42 struct cfg80211_scan_request req; 43 }; 44 45 struct cfg80211_registered_device { 46 const struct cfg80211_ops *ops; 47 struct list_head list; 48 49 /* rfkill support */ 50 struct rfkill_ops rfkill_ops; 51 struct work_struct rfkill_block; 52 53 /* ISO / IEC 3166 alpha2 for which this device is receiving 54 * country IEs on, this can help disregard country IEs from APs 55 * on the same alpha2 quickly. The alpha2 may differ from 56 * cfg80211_regdomain's alpha2 when an intersection has occurred. 57 * If the AP is reconfigured this can also be used to tell us if 58 * the country on the country IE changed. */ 59 char country_ie_alpha2[2]; 60 61 /* 62 * the driver requests the regulatory core to set this regulatory 63 * domain as the wiphy's. Only used for %REGULATORY_WIPHY_SELF_MANAGED 64 * devices using the regulatory_set_wiphy_regd() API 65 */ 66 const struct ieee80211_regdomain *requested_regd; 67 68 /* If a Country IE has been received this tells us the environment 69 * which its telling us its in. This defaults to ENVIRON_ANY */ 70 enum environment_cap env; 71 72 /* wiphy index, internal only */ 73 int wiphy_idx; 74 75 /* protected by RTNL */ 76 int devlist_generation, wdev_id; 77 int opencount; 78 wait_queue_head_t dev_wait; 79 80 struct list_head beacon_registrations; 81 spinlock_t beacon_registrations_lock; 82 83 /* protected by RTNL only */ 84 int num_running_ifaces; 85 int num_running_monitor_ifaces; 86 87 /* atomic for unlocked users */ 88 atomic64_t cookie_counter; 89 90 /* BSSes/scanning */ 91 spinlock_t bss_lock; 92 struct list_head bss_list; 93 struct rb_root bss_tree; 94 u32 bss_generation; 95 u32 bss_entries; 96 struct cfg80211_scan_request_int *scan_req; /* protected by RTNL */ 97 struct cfg80211_scan_request_int *int_scan_req; 98 struct sk_buff *scan_msg; 99 struct list_head sched_scan_req_list; 100 time64_t suspend_at; 101 struct wiphy_work scan_done_wk; 102 103 struct genl_info *cur_cmd_info; 104 105 struct work_struct conn_work; 106 struct work_struct event_work; 107 108 struct delayed_work dfs_update_channels_wk; 109 110 struct wireless_dev *background_radar_wdev; 111 struct cfg80211_chan_def background_radar_chandef; 112 struct delayed_work background_cac_done_wk; 113 struct work_struct background_cac_abort_wk; 114 115 /* netlink port which started critical protocol (0 means not started) */ 116 u32 crit_proto_nlportid; 117 118 struct cfg80211_coalesce *coalesce; 119 120 struct work_struct destroy_work; 121 struct wiphy_work sched_scan_stop_wk; 122 struct work_struct sched_scan_res_wk; 123 struct wiphy_work reg_check_chans_wk; 124 struct work_struct reg_leave_nan_wk; 125 126 struct cfg80211_chan_def radar_chandef; 127 struct work_struct propagate_radar_detect_wk; 128 129 struct cfg80211_chan_def cac_done_chandef; 130 struct work_struct propagate_cac_done_wk; 131 132 struct work_struct mgmt_registrations_update_wk; 133 /* lock for all wdev lists */ 134 spinlock_t mgmt_registrations_lock; 135 136 struct work_struct wiphy_work; 137 struct list_head wiphy_work_list; 138 /* protects the list above */ 139 spinlock_t wiphy_work_lock; 140 bool suspended; 141 142 /* must be last because of the way we do wiphy_priv(), 143 * and it should at least be aligned to NETDEV_ALIGN */ 144 struct wiphy wiphy __aligned(NETDEV_ALIGN); 145 }; 146 147 static inline 148 struct cfg80211_registered_device *wiphy_to_rdev(struct wiphy *wiphy) 149 { 150 BUG_ON(!wiphy); 151 return container_of(wiphy, struct cfg80211_registered_device, wiphy); 152 } 153 154 static inline void 155 cfg80211_rdev_free_wowlan(struct cfg80211_registered_device *rdev) 156 { 157 #ifdef CONFIG_PM 158 int i; 159 160 if (!rdev->wiphy.wowlan_config) 161 return; 162 for (i = 0; i < rdev->wiphy.wowlan_config->n_patterns; i++) 163 kfree(rdev->wiphy.wowlan_config->patterns[i].mask); 164 kfree(rdev->wiphy.wowlan_config->patterns); 165 if (rdev->wiphy.wowlan_config->tcp && 166 rdev->wiphy.wowlan_config->tcp->sock) 167 sock_release(rdev->wiphy.wowlan_config->tcp->sock); 168 kfree(rdev->wiphy.wowlan_config->tcp); 169 kfree(rdev->wiphy.wowlan_config->nd_config); 170 kfree(rdev->wiphy.wowlan_config); 171 #endif 172 } 173 174 static inline u64 cfg80211_assign_cookie(struct cfg80211_registered_device *rdev) 175 { 176 u64 r = atomic64_inc_return(&rdev->cookie_counter); 177 178 if (WARN_ON(r == 0)) 179 r = atomic64_inc_return(&rdev->cookie_counter); 180 181 return r; 182 } 183 184 extern struct workqueue_struct *cfg80211_wq; 185 extern struct list_head cfg80211_rdev_list; 186 extern int cfg80211_rdev_list_generation; 187 188 #define for_each_rdev(rdev) \ 189 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list, \ 190 lockdep_rtnl_is_held() || \ 191 lockdep_is_held(&cfg80211_mutex)) 192 193 enum bss_source_type { 194 BSS_SOURCE_DIRECT = 0, 195 BSS_SOURCE_MBSSID, 196 BSS_SOURCE_STA_PROFILE, 197 }; 198 199 struct cfg80211_internal_bss { 200 struct list_head list; 201 struct list_head hidden_list; 202 struct rb_node rbn; 203 unsigned long ts; 204 unsigned long refcount; 205 atomic_t hold; 206 207 /* time at the start of the reception of the first octet of the 208 * timestamp field of the last beacon/probe received for this BSS. 209 * The time is the TSF of the BSS specified by %parent_bssid. 210 */ 211 u64 parent_tsf; 212 213 /* the BSS according to which %parent_tsf is set. This is set to 214 * the BSS that the interface that requested the scan was connected to 215 * when the beacon/probe was received. 216 */ 217 u8 parent_bssid[ETH_ALEN] __aligned(2); 218 219 enum bss_source_type bss_source; 220 221 /* must be last because of priv member */ 222 struct cfg80211_bss pub; 223 }; 224 225 static inline struct cfg80211_internal_bss *bss_from_pub(struct cfg80211_bss *pub) 226 { 227 return container_of(pub, struct cfg80211_internal_bss, pub); 228 } 229 230 static inline void cfg80211_hold_bss(struct cfg80211_internal_bss *bss) 231 { 232 atomic_inc(&bss->hold); 233 if (bss->pub.transmitted_bss) { 234 bss = container_of(bss->pub.transmitted_bss, 235 struct cfg80211_internal_bss, pub); 236 atomic_inc(&bss->hold); 237 } 238 } 239 240 static inline void cfg80211_unhold_bss(struct cfg80211_internal_bss *bss) 241 { 242 int r = atomic_dec_return(&bss->hold); 243 WARN_ON(r < 0); 244 if (bss->pub.transmitted_bss) { 245 bss = container_of(bss->pub.transmitted_bss, 246 struct cfg80211_internal_bss, pub); 247 r = atomic_dec_return(&bss->hold); 248 WARN_ON(r < 0); 249 } 250 } 251 252 253 struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx); 254 int get_wiphy_idx(struct wiphy *wiphy); 255 256 struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx); 257 258 int cfg80211_switch_netns(struct cfg80211_registered_device *rdev, 259 struct net *net); 260 261 void cfg80211_init_wdev(struct wireless_dev *wdev); 262 void cfg80211_register_wdev(struct cfg80211_registered_device *rdev, 263 struct wireless_dev *wdev); 264 265 static inline void wdev_hold(struct wireless_dev *wdev) 266 { 267 if (wdev->netdev) { 268 dev_hold(wdev->netdev); 269 return; 270 } 271 272 /* also not RTNL, but can't check that */ 273 lockdep_assert_not_held(&wdev->wiphy->mtx); 274 refcount_inc(&wdev->refcnt); 275 } 276 277 static inline void wdev_put(struct wireless_dev *wdev) 278 { 279 if (wdev->netdev) 280 dev_put(wdev->netdev); 281 else if (refcount_dec_and_test(&wdev->refcnt)) 282 wake_up_var(&wdev->refcnt); 283 } 284 285 static inline bool cfg80211_has_monitors_only(struct cfg80211_registered_device *rdev) 286 { 287 lockdep_assert_held(&rdev->wiphy.mtx); 288 289 return rdev->num_running_ifaces == rdev->num_running_monitor_ifaces && 290 rdev->num_running_ifaces > 0; 291 } 292 293 enum cfg80211_event_type { 294 EVENT_CONNECT_RESULT, 295 EVENT_ROAMED, 296 EVENT_DISCONNECTED, 297 EVENT_IBSS_JOINED, 298 EVENT_STOPPED, 299 EVENT_PORT_AUTHORIZED, 300 }; 301 302 struct cfg80211_event { 303 struct list_head list; 304 enum cfg80211_event_type type; 305 306 union { 307 struct cfg80211_connect_resp_params cr; 308 struct cfg80211_roam_info rm; 309 struct { 310 const u8 *ie; 311 size_t ie_len; 312 u16 reason; 313 bool locally_generated; 314 } dc; 315 struct { 316 struct cfg80211_bss *bss; 317 } ij; 318 struct { 319 u8 peer_addr[ETH_ALEN]; 320 const u8 *td_bitmap; 321 u8 td_bitmap_len; 322 } pa; 323 }; 324 int link_id; 325 }; 326 327 struct cfg80211_cached_keys { 328 struct key_params params[4]; 329 u8 data[4][WLAN_KEY_LEN_WEP104]; 330 int def; 331 }; 332 333 struct cfg80211_beacon_registration { 334 struct list_head list; 335 u32 nlportid; 336 }; 337 338 struct cfg80211_cqm_config { 339 struct rcu_head rcu_head; 340 u32 rssi_hyst; 341 s32 last_rssi_event_value; 342 enum nl80211_cqm_rssi_threshold_event last_rssi_event_type; 343 bool use_range_api; 344 int n_rssi_thresholds; 345 s32 rssi_thresholds[] __counted_by(n_rssi_thresholds); 346 }; 347 348 void cfg80211_cqm_rssi_notify_work(struct wiphy *wiphy, 349 struct wiphy_work *work); 350 351 void cfg80211_destroy_ifaces(struct cfg80211_registered_device *rdev); 352 353 void cfg80211_close_dependents(struct cfg80211_registered_device *rdev, 354 struct wireless_dev *wdev); 355 356 /* free object */ 357 void cfg80211_dev_free(struct cfg80211_registered_device *rdev); 358 359 int cfg80211_dev_rename(struct cfg80211_registered_device *rdev, 360 char *newname); 361 362 void ieee80211_set_bitrate_flags(struct wiphy *wiphy); 363 364 void cfg80211_bss_expire(struct cfg80211_registered_device *rdev); 365 void cfg80211_bss_age(struct cfg80211_registered_device *rdev, 366 unsigned long age_secs); 367 void cfg80211_update_assoc_bss_entry(struct wireless_dev *wdev, 368 unsigned int link, 369 struct ieee80211_channel *channel); 370 371 /* IBSS */ 372 int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev, 373 struct net_device *dev, 374 struct cfg80211_ibss_params *params, 375 struct cfg80211_cached_keys *connkeys); 376 void cfg80211_clear_ibss(struct net_device *dev, bool nowext); 377 int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, 378 struct net_device *dev, bool nowext); 379 void __cfg80211_ibss_joined(struct net_device *dev, struct cfg80211_bss *bss); 380 int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev, 381 struct wireless_dev *wdev); 382 383 /* mesh */ 384 extern const struct mesh_config default_mesh_config; 385 extern const struct mesh_setup default_mesh_setup; 386 int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev, 387 struct net_device *dev, 388 struct mesh_setup *setup, 389 const struct mesh_config *conf); 390 int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev, 391 struct net_device *dev); 392 int cfg80211_set_mesh_channel(struct cfg80211_registered_device *rdev, 393 struct wireless_dev *wdev, 394 struct cfg80211_chan_def *chandef); 395 396 /* OCB */ 397 int cfg80211_join_ocb(struct cfg80211_registered_device *rdev, 398 struct net_device *dev, 399 struct ocb_setup *setup); 400 int cfg80211_leave_ocb(struct cfg80211_registered_device *rdev, 401 struct net_device *dev); 402 403 /* AP */ 404 int cfg80211_stop_ap(struct cfg80211_registered_device *rdev, 405 struct net_device *dev, int link, 406 bool notify); 407 408 /* MLME */ 409 int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, 410 struct net_device *dev, 411 struct cfg80211_auth_request *req); 412 int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, 413 struct net_device *dev, 414 struct cfg80211_assoc_request *req, 415 struct netlink_ext_ack *extack); 416 int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev, 417 struct net_device *dev, const u8 *bssid, 418 const u8 *ie, int ie_len, u16 reason, 419 bool local_state_change); 420 int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev, 421 struct net_device *dev, const u8 *ap_addr, 422 const u8 *ie, int ie_len, u16 reason, 423 bool local_state_change); 424 void cfg80211_mlme_down(struct cfg80211_registered_device *rdev, 425 struct net_device *dev); 426 int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid, 427 u16 frame_type, const u8 *match_data, 428 int match_len, bool multicast_rx, 429 struct netlink_ext_ack *extack); 430 void cfg80211_mgmt_registrations_update_wk(struct work_struct *wk); 431 void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid); 432 void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev); 433 int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev, 434 struct wireless_dev *wdev, 435 struct cfg80211_mgmt_tx_params *params, 436 u64 cookie); 437 int cfg80211_mlme_mgmt_tx_unlocked(struct cfg80211_registered_device *rdev, 438 struct wireless_dev *wdev, 439 struct cfg80211_mgmt_tx_params *params, 440 u64 cookie); 441 void cfg80211_oper_and_ht_capa(struct ieee80211_ht_cap *ht_capa, 442 const struct ieee80211_ht_cap *ht_capa_mask); 443 void cfg80211_oper_and_vht_capa(struct ieee80211_vht_cap *vht_capa, 444 const struct ieee80211_vht_cap *vht_capa_mask); 445 446 /* SME events */ 447 int cfg80211_connect(struct cfg80211_registered_device *rdev, 448 struct net_device *dev, 449 struct cfg80211_connect_params *connect, 450 struct cfg80211_cached_keys *connkeys, 451 const u8 *prev_bssid); 452 void __cfg80211_connect_result(struct net_device *dev, 453 struct cfg80211_connect_resp_params *params, 454 bool wextev); 455 void __cfg80211_disconnected(struct net_device *dev, const u8 *ie, 456 size_t ie_len, u16 reason, bool from_ap); 457 int cfg80211_disconnect(struct cfg80211_registered_device *rdev, 458 struct net_device *dev, u16 reason, 459 bool wextev); 460 void __cfg80211_roamed(struct wireless_dev *wdev, 461 struct cfg80211_roam_info *info); 462 void __cfg80211_port_authorized(struct wireless_dev *wdev, const u8 *peer_addr, 463 const u8 *td_bitmap, u8 td_bitmap_len); 464 int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev, 465 struct wireless_dev *wdev); 466 void cfg80211_autodisconnect_wk(struct wiphy *wiphy, struct wiphy_work *work); 467 468 /* SME implementation */ 469 void cfg80211_conn_work(struct work_struct *work); 470 void cfg80211_sme_scan_done(struct net_device *dev); 471 bool cfg80211_sme_rx_assoc_resp(struct wireless_dev *wdev, u16 status); 472 void cfg80211_sme_rx_auth(struct wireless_dev *wdev, const u8 *buf, size_t len); 473 void cfg80211_sme_disassoc(struct wireless_dev *wdev); 474 void cfg80211_sme_deauth(struct wireless_dev *wdev); 475 void cfg80211_sme_auth_timeout(struct wireless_dev *wdev); 476 void cfg80211_sme_assoc_timeout(struct wireless_dev *wdev); 477 void cfg80211_sme_abandon_assoc(struct wireless_dev *wdev); 478 479 /* internal helpers */ 480 bool cfg80211_supported_cipher_suite(struct wiphy *wiphy, u32 cipher); 481 bool cfg80211_cigtk_supported(struct wireless_dev *wdev, 482 struct genl_info *info); 483 bool cfg80211_valid_key_idx(struct wireless_dev *wdev, 484 int key_idx, enum nl80211_key_type type, 485 const u8 *mac_addr); 486 int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev, 487 struct wireless_dev *wdev, 488 struct key_params *params, int key_idx, 489 enum nl80211_key_type type, 490 const u8 *mac_addr); 491 void __cfg80211_scan_done(struct wiphy *wiphy, struct wiphy_work *wk); 492 void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, 493 bool send_message); 494 void cfg80211_add_sched_scan_req(struct cfg80211_registered_device *rdev, 495 struct cfg80211_sched_scan_request *req); 496 int cfg80211_sched_scan_req_possible(struct cfg80211_registered_device *rdev, 497 bool want_multi); 498 void cfg80211_sched_scan_results_wk(struct work_struct *work); 499 int cfg80211_stop_sched_scan_req(struct cfg80211_registered_device *rdev, 500 struct cfg80211_sched_scan_request *req, 501 bool driver_initiated); 502 int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev, 503 u64 reqid, bool driver_initiated); 504 void cfg80211_upload_connect_keys(struct wireless_dev *wdev); 505 int cfg80211_change_iface(struct cfg80211_registered_device *rdev, 506 struct net_device *dev, enum nl80211_iftype ntype, 507 struct vif_params *params); 508 void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev); 509 void cfg80211_process_wiphy_works(struct cfg80211_registered_device *rdev, 510 struct wiphy_work *end); 511 void cfg80211_process_wdev_events(struct wireless_dev *wdev); 512 513 bool cfg80211_does_bw_fit_range(const struct ieee80211_freq_range *freq_range, 514 u32 center_freq_khz, u32 bw_khz); 515 516 int cfg80211_scan(struct cfg80211_registered_device *rdev); 517 518 extern struct work_struct cfg80211_disconnect_work; 519 520 #define NL80211_BSS_USE_FOR_ALL (NL80211_BSS_USE_FOR_NORMAL | \ 521 NL80211_BSS_USE_FOR_MLD_LINK) 522 523 void cfg80211_set_dfs_state(struct wiphy *wiphy, 524 const struct cfg80211_chan_def *chandef, 525 enum nl80211_dfs_state dfs_state); 526 527 void cfg80211_set_cac_state(struct wiphy *wiphy, 528 const struct cfg80211_chan_def *chandef, 529 bool cac_ongoing); 530 531 void cfg80211_dfs_channels_update_work(struct work_struct *work); 532 533 void cfg80211_sched_dfs_chan_update(struct cfg80211_registered_device *rdev); 534 535 int 536 cfg80211_start_background_radar_detection(struct cfg80211_registered_device *rdev, 537 struct wireless_dev *wdev, 538 struct cfg80211_chan_def *chandef); 539 540 void cfg80211_stop_radar_detection(struct wireless_dev *wdev); 541 void cfg80211_stop_background_radar_detection(struct wireless_dev *wdev); 542 543 void cfg80211_background_cac_done_wk(struct work_struct *work); 544 545 void cfg80211_background_cac_abort_wk(struct work_struct *work); 546 547 bool cfg80211_any_wiphy_oper_chan(struct wiphy *wiphy, 548 struct ieee80211_channel *chan); 549 550 bool cfg80211_beaconing_iface_active(struct wireless_dev *wdev); 551 552 bool cfg80211_is_sub_chan(struct cfg80211_chan_def *chandef, 553 struct ieee80211_channel *chan, 554 bool primary_only); 555 bool cfg80211_wdev_on_sub_chan(struct wireless_dev *wdev, 556 struct ieee80211_channel *chan, 557 bool primary_only); 558 bool _cfg80211_chandef_usable(struct wiphy *wiphy, 559 const struct cfg80211_chan_def *chandef, 560 u32 prohibited_flags, 561 u32 permitting_flags); 562 563 static inline unsigned int elapsed_jiffies_msecs(unsigned long start) 564 { 565 unsigned long end = jiffies; 566 567 if (end >= start) 568 return jiffies_to_msecs(end - start); 569 570 return jiffies_to_msecs(end + (ULONG_MAX - start) + 1); 571 } 572 573 int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev, 574 struct net_device *dev, 575 struct cfg80211_chan_def *chandef); 576 577 int ieee80211_get_ratemask(struct ieee80211_supported_band *sband, 578 const u8 *rates, unsigned int n_rates, 579 u32 *mask); 580 581 int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev, 582 enum nl80211_iftype iftype, u32 beacon_int); 583 584 void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev, 585 enum nl80211_iftype iftype, int num); 586 587 void cfg80211_leave_locked(struct cfg80211_registered_device *rdev, 588 struct wireless_dev *wdev, int link_id); 589 590 void cfg80211_leave(struct cfg80211_registered_device *rdev, 591 struct wireless_dev *wdev, 592 int link_id); 593 594 void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev, 595 struct wireless_dev *wdev); 596 597 void cfg80211_stop_nan(struct cfg80211_registered_device *rdev, 598 struct wireless_dev *wdev); 599 void cfg80211_stop_pd(struct cfg80211_registered_device *rdev, 600 struct wireless_dev *wdev); 601 602 int cfg80211_nan_set_local_schedule(struct cfg80211_registered_device *rdev, 603 struct wireless_dev *wdev, 604 struct cfg80211_nan_local_sched *sched); 605 606 int cfg80211_nan_set_non_evac_channels(struct cfg80211_registered_device *rdev, 607 struct wireless_dev *wdev, 608 struct cfg80211_nan_non_evac_channels *channels); 609 610 struct cfg80211_internal_bss * 611 cfg80211_bss_update(struct cfg80211_registered_device *rdev, 612 struct cfg80211_internal_bss *tmp, 613 bool signal_valid, unsigned long ts); 614 615 enum ieee80211_ap_reg_power 616 cfg80211_get_6ghz_power_type(const u8 *elems, size_t elems_len, 617 u32 client_flags); 618 619 #ifdef CONFIG_CFG80211_DEVELOPER_WARNINGS 620 #define CFG80211_DEV_WARN_ON(cond) WARN_ON(cond) 621 #else 622 /* 623 * Trick to enable using it as a condition, 624 * and also not give a warning when it's 625 * not used that way. 626 */ 627 #define CFG80211_DEV_WARN_ON(cond) ({bool __r = (cond); __r; }) 628 #endif 629 630 void cfg80211_release_pmsr(struct wireless_dev *wdev, u32 portid); 631 void cfg80211_pmsr_wdev_down(struct wireless_dev *wdev); 632 void cfg80211_pmsr_free_wk(struct wiphy *wiphy, struct wiphy_work *work); 633 634 void cfg80211_remove_link(struct wireless_dev *wdev, unsigned int link_id); 635 void cfg80211_remove_links(struct wireless_dev *wdev); 636 int cfg80211_remove_virtual_intf(struct cfg80211_registered_device *rdev, 637 struct wireless_dev *wdev); 638 void cfg80211_wdev_release_link_bsses(struct wireless_dev *wdev, u16 link_mask); 639 640 int cfg80211_assoc_ml_reconf(struct cfg80211_registered_device *rdev, 641 struct net_device *dev, 642 struct cfg80211_ml_reconf_req *req); 643 644 /** 645 * struct cfg80211_colocated_ap - colocated AP information 646 * 647 * @list: linked list to all colocated APs 648 * @bssid: BSSID of the reported AP 649 * @ssid: SSID of the reported AP 650 * @ssid_len: length of the ssid 651 * @center_freq: frequency the reported AP is on 652 * @unsolicited_probe: the reported AP is part of an ESS, where all the APs 653 * that operate in the same channel as the reported AP and that might be 654 * detected by a STA receiving this frame, are transmitting unsolicited 655 * Probe Response frames every 20 TUs 656 * @oct_recommended: OCT is recommended to exchange MMPDUs with the reported AP 657 * @same_ssid: the reported AP has the same SSID as the reporting AP 658 * @multi_bss: the reported AP is part of a multiple BSSID set 659 * @transmitted_bssid: the reported AP is the transmitting BSSID 660 * @colocated_ess: all the APs that share the same ESS as the reported AP are 661 * colocated and can be discovered via legacy bands. 662 * @short_ssid_valid: short_ssid is valid and can be used 663 * @short_ssid: the short SSID for this SSID 664 * @psd_20: The 20MHz PSD EIRP of the primary 20MHz channel for the reported AP 665 */ 666 struct cfg80211_colocated_ap { 667 struct list_head list; 668 u8 bssid[ETH_ALEN]; 669 u8 ssid[IEEE80211_MAX_SSID_LEN]; 670 size_t ssid_len; 671 u32 short_ssid; 672 u32 center_freq; 673 u8 unsolicited_probe:1, 674 oct_recommended:1, 675 same_ssid:1, 676 multi_bss:1, 677 transmitted_bssid:1, 678 colocated_ess:1, 679 short_ssid_valid:1; 680 s8 psd_20; 681 }; 682 683 #if IS_ENABLED(CONFIG_CFG80211_KUNIT_TEST) 684 #define EXPORT_SYMBOL_IF_CFG80211_KUNIT(sym) EXPORT_SYMBOL_IF_KUNIT(sym) 685 #define VISIBLE_IF_CFG80211_KUNIT 686 void cfg80211_free_coloc_ap_list(struct list_head *coloc_ap_list); 687 688 int cfg80211_parse_colocated_ap(const struct cfg80211_bss_ies *ies, 689 struct list_head *list); 690 691 size_t cfg80211_gen_new_ie(const u8 *ie, size_t ielen, 692 const u8 *subie, size_t subie_len, 693 u8 *new_ie, size_t new_ie_len); 694 #else 695 #define EXPORT_SYMBOL_IF_CFG80211_KUNIT(sym) 696 #define VISIBLE_IF_CFG80211_KUNIT static 697 #endif /* IS_ENABLED(CONFIG_CFG80211_KUNIT_TEST) */ 698 699 #endif /* __NET_WIRELESS_CORE_H */ 700