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) 2018-2025 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 work_struct rfkill_block; 31 32 /* ISO / IEC 3166 alpha2 for which this device is receiving 33 * country IEs on, this can help disregard country IEs from APs 34 * on the same alpha2 quickly. The alpha2 may differ from 35 * cfg80211_regdomain's alpha2 when an intersection has occurred. 36 * If the AP is reconfigured this can also be used to tell us if 37 * the country on the country IE changed. */ 38 char country_ie_alpha2[2]; 39 40 /* 41 * the driver requests the regulatory core to set this regulatory 42 * domain as the wiphy's. Only used for %REGULATORY_WIPHY_SELF_MANAGED 43 * devices using the regulatory_set_wiphy_regd() API 44 */ 45 const struct ieee80211_regdomain *requested_regd; 46 47 /* If a Country IE has been received this tells us the environment 48 * which its telling us its in. This defaults to ENVIRON_ANY */ 49 enum environment_cap env; 50 51 /* wiphy index, internal only */ 52 int wiphy_idx; 53 54 /* protected by RTNL */ 55 int devlist_generation, wdev_id; 56 int opencount; 57 wait_queue_head_t dev_wait; 58 59 struct list_head beacon_registrations; 60 spinlock_t beacon_registrations_lock; 61 62 /* protected by RTNL only */ 63 int num_running_ifaces; 64 int num_running_monitor_ifaces; 65 u64 cookie_counter; 66 67 /* BSSes/scanning */ 68 spinlock_t bss_lock; 69 struct list_head bss_list; 70 struct rb_root bss_tree; 71 u32 bss_generation; 72 u32 bss_entries; 73 struct cfg80211_scan_request *scan_req; /* protected by RTNL */ 74 struct cfg80211_scan_request *int_scan_req; 75 struct sk_buff *scan_msg; 76 struct list_head sched_scan_req_list; 77 time64_t suspend_at; 78 struct wiphy_work scan_done_wk; 79 80 struct genl_info *cur_cmd_info; 81 82 struct work_struct conn_work; 83 struct work_struct event_work; 84 85 struct delayed_work dfs_update_channels_wk; 86 87 struct wireless_dev *background_radar_wdev; 88 struct cfg80211_chan_def background_radar_chandef; 89 struct delayed_work background_cac_done_wk; 90 struct work_struct background_cac_abort_wk; 91 92 /* netlink port which started critical protocol (0 means not started) */ 93 u32 crit_proto_nlportid; 94 95 struct cfg80211_coalesce *coalesce; 96 97 struct work_struct destroy_work; 98 struct wiphy_work sched_scan_stop_wk; 99 struct work_struct sched_scan_res_wk; 100 101 struct cfg80211_chan_def radar_chandef; 102 struct work_struct propagate_radar_detect_wk; 103 104 struct cfg80211_chan_def cac_done_chandef; 105 struct work_struct propagate_cac_done_wk; 106 107 struct work_struct mgmt_registrations_update_wk; 108 /* lock for all wdev lists */ 109 spinlock_t mgmt_registrations_lock; 110 111 struct work_struct wiphy_work; 112 struct list_head wiphy_work_list; 113 /* protects the list above */ 114 spinlock_t wiphy_work_lock; 115 bool suspended; 116 117 /* must be last because of the way we do wiphy_priv(), 118 * and it should at least be aligned to NETDEV_ALIGN */ 119 struct wiphy wiphy __aligned(NETDEV_ALIGN); 120 }; 121 122 static inline 123 struct cfg80211_registered_device *wiphy_to_rdev(struct wiphy *wiphy) 124 { 125 BUG_ON(!wiphy); 126 return container_of(wiphy, struct cfg80211_registered_device, wiphy); 127 } 128 129 static inline void 130 cfg80211_rdev_free_wowlan(struct cfg80211_registered_device *rdev) 131 { 132 #ifdef CONFIG_PM 133 int i; 134 135 if (!rdev->wiphy.wowlan_config) 136 return; 137 for (i = 0; i < rdev->wiphy.wowlan_config->n_patterns; i++) 138 kfree(rdev->wiphy.wowlan_config->patterns[i].mask); 139 kfree(rdev->wiphy.wowlan_config->patterns); 140 if (rdev->wiphy.wowlan_config->tcp && 141 rdev->wiphy.wowlan_config->tcp->sock) 142 sock_release(rdev->wiphy.wowlan_config->tcp->sock); 143 kfree(rdev->wiphy.wowlan_config->tcp); 144 kfree(rdev->wiphy.wowlan_config->nd_config); 145 kfree(rdev->wiphy.wowlan_config); 146 #endif 147 } 148 149 static inline u64 cfg80211_assign_cookie(struct cfg80211_registered_device *rdev) 150 { 151 u64 r = ++rdev->cookie_counter; 152 153 if (WARN_ON(r == 0)) 154 r = ++rdev->cookie_counter; 155 156 return r; 157 } 158 159 extern struct workqueue_struct *cfg80211_wq; 160 extern struct list_head cfg80211_rdev_list; 161 extern int cfg80211_rdev_list_generation; 162 163 /* This is constructed like this so it can be used in if/else */ 164 static inline int for_each_rdev_check_rtnl(void) 165 { 166 ASSERT_RTNL(); 167 return 0; 168 } 169 #define for_each_rdev(rdev) \ 170 if (for_each_rdev_check_rtnl()) {} else \ 171 list_for_each_entry(rdev, &cfg80211_rdev_list, list) 172 173 enum bss_source_type { 174 BSS_SOURCE_DIRECT = 0, 175 BSS_SOURCE_MBSSID, 176 BSS_SOURCE_STA_PROFILE, 177 }; 178 179 struct cfg80211_internal_bss { 180 struct list_head list; 181 struct list_head hidden_list; 182 struct rb_node rbn; 183 unsigned long ts; 184 unsigned long refcount; 185 atomic_t hold; 186 187 /* time at the start of the reception of the first octet of the 188 * timestamp field of the last beacon/probe received for this BSS. 189 * The time is the TSF of the BSS specified by %parent_bssid. 190 */ 191 u64 parent_tsf; 192 193 /* the BSS according to which %parent_tsf is set. This is set to 194 * the BSS that the interface that requested the scan was connected to 195 * when the beacon/probe was received. 196 */ 197 u8 parent_bssid[ETH_ALEN] __aligned(2); 198 199 enum bss_source_type bss_source; 200 201 /* must be last because of priv member */ 202 struct cfg80211_bss pub; 203 }; 204 205 static inline struct cfg80211_internal_bss *bss_from_pub(struct cfg80211_bss *pub) 206 { 207 return container_of(pub, struct cfg80211_internal_bss, pub); 208 } 209 210 static inline void cfg80211_hold_bss(struct cfg80211_internal_bss *bss) 211 { 212 atomic_inc(&bss->hold); 213 if (bss->pub.transmitted_bss) { 214 bss = container_of(bss->pub.transmitted_bss, 215 struct cfg80211_internal_bss, pub); 216 atomic_inc(&bss->hold); 217 } 218 } 219 220 static inline void cfg80211_unhold_bss(struct cfg80211_internal_bss *bss) 221 { 222 int r = atomic_dec_return(&bss->hold); 223 WARN_ON(r < 0); 224 if (bss->pub.transmitted_bss) { 225 bss = container_of(bss->pub.transmitted_bss, 226 struct cfg80211_internal_bss, pub); 227 r = atomic_dec_return(&bss->hold); 228 WARN_ON(r < 0); 229 } 230 } 231 232 233 struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx); 234 int get_wiphy_idx(struct wiphy *wiphy); 235 236 struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx); 237 238 int cfg80211_switch_netns(struct cfg80211_registered_device *rdev, 239 struct net *net); 240 241 void cfg80211_init_wdev(struct wireless_dev *wdev); 242 void cfg80211_register_wdev(struct cfg80211_registered_device *rdev, 243 struct wireless_dev *wdev); 244 245 static inline bool cfg80211_has_monitors_only(struct cfg80211_registered_device *rdev) 246 { 247 lockdep_assert_held(&rdev->wiphy.mtx); 248 249 return rdev->num_running_ifaces == rdev->num_running_monitor_ifaces && 250 rdev->num_running_ifaces > 0; 251 } 252 253 enum cfg80211_event_type { 254 EVENT_CONNECT_RESULT, 255 EVENT_ROAMED, 256 EVENT_DISCONNECTED, 257 EVENT_IBSS_JOINED, 258 EVENT_STOPPED, 259 EVENT_PORT_AUTHORIZED, 260 }; 261 262 struct cfg80211_event { 263 struct list_head list; 264 enum cfg80211_event_type type; 265 266 union { 267 struct cfg80211_connect_resp_params cr; 268 struct cfg80211_roam_info rm; 269 struct { 270 const u8 *ie; 271 size_t ie_len; 272 u16 reason; 273 bool locally_generated; 274 } dc; 275 struct { 276 u8 bssid[ETH_ALEN]; 277 struct ieee80211_channel *channel; 278 } ij; 279 struct { 280 u8 peer_addr[ETH_ALEN]; 281 const u8 *td_bitmap; 282 u8 td_bitmap_len; 283 } pa; 284 }; 285 }; 286 287 struct cfg80211_cached_keys { 288 struct key_params params[4]; 289 u8 data[4][WLAN_KEY_LEN_WEP104]; 290 int def; 291 }; 292 293 struct cfg80211_beacon_registration { 294 struct list_head list; 295 u32 nlportid; 296 }; 297 298 struct cfg80211_cqm_config { 299 struct rcu_head rcu_head; 300 u32 rssi_hyst; 301 s32 last_rssi_event_value; 302 enum nl80211_cqm_rssi_threshold_event last_rssi_event_type; 303 bool use_range_api; 304 int n_rssi_thresholds; 305 s32 rssi_thresholds[] __counted_by(n_rssi_thresholds); 306 }; 307 308 void cfg80211_cqm_rssi_notify_work(struct wiphy *wiphy, 309 struct wiphy_work *work); 310 311 void cfg80211_destroy_ifaces(struct cfg80211_registered_device *rdev); 312 313 /* free object */ 314 void cfg80211_dev_free(struct cfg80211_registered_device *rdev); 315 316 int cfg80211_dev_rename(struct cfg80211_registered_device *rdev, 317 char *newname); 318 319 void ieee80211_set_bitrate_flags(struct wiphy *wiphy); 320 321 void cfg80211_bss_expire(struct cfg80211_registered_device *rdev); 322 void cfg80211_bss_age(struct cfg80211_registered_device *rdev, 323 unsigned long age_secs); 324 void cfg80211_update_assoc_bss_entry(struct wireless_dev *wdev, 325 unsigned int link, 326 struct ieee80211_channel *channel); 327 328 /* IBSS */ 329 int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev, 330 struct net_device *dev, 331 struct cfg80211_ibss_params *params, 332 struct cfg80211_cached_keys *connkeys); 333 void cfg80211_clear_ibss(struct net_device *dev, bool nowext); 334 int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, 335 struct net_device *dev, bool nowext); 336 void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, 337 struct ieee80211_channel *channel); 338 int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev, 339 struct wireless_dev *wdev); 340 341 /* mesh */ 342 extern const struct mesh_config default_mesh_config; 343 extern const struct mesh_setup default_mesh_setup; 344 int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev, 345 struct net_device *dev, 346 struct mesh_setup *setup, 347 const struct mesh_config *conf); 348 int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev, 349 struct net_device *dev); 350 int cfg80211_set_mesh_channel(struct cfg80211_registered_device *rdev, 351 struct wireless_dev *wdev, 352 struct cfg80211_chan_def *chandef); 353 354 /* OCB */ 355 int cfg80211_join_ocb(struct cfg80211_registered_device *rdev, 356 struct net_device *dev, 357 struct ocb_setup *setup); 358 int cfg80211_leave_ocb(struct cfg80211_registered_device *rdev, 359 struct net_device *dev); 360 361 /* AP */ 362 int cfg80211_stop_ap(struct cfg80211_registered_device *rdev, 363 struct net_device *dev, int link, 364 bool notify); 365 366 /* MLME */ 367 int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, 368 struct net_device *dev, 369 struct cfg80211_auth_request *req); 370 int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, 371 struct net_device *dev, 372 struct cfg80211_assoc_request *req, 373 struct netlink_ext_ack *extack); 374 int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev, 375 struct net_device *dev, const u8 *bssid, 376 const u8 *ie, int ie_len, u16 reason, 377 bool local_state_change); 378 int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev, 379 struct net_device *dev, const u8 *ap_addr, 380 const u8 *ie, int ie_len, u16 reason, 381 bool local_state_change); 382 void cfg80211_mlme_down(struct cfg80211_registered_device *rdev, 383 struct net_device *dev); 384 int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid, 385 u16 frame_type, const u8 *match_data, 386 int match_len, bool multicast_rx, 387 struct netlink_ext_ack *extack); 388 void cfg80211_mgmt_registrations_update_wk(struct work_struct *wk); 389 void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid); 390 void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev); 391 int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev, 392 struct wireless_dev *wdev, 393 struct cfg80211_mgmt_tx_params *params, 394 u64 *cookie); 395 void cfg80211_oper_and_ht_capa(struct ieee80211_ht_cap *ht_capa, 396 const struct ieee80211_ht_cap *ht_capa_mask); 397 void cfg80211_oper_and_vht_capa(struct ieee80211_vht_cap *vht_capa, 398 const struct ieee80211_vht_cap *vht_capa_mask); 399 400 /* SME events */ 401 int cfg80211_connect(struct cfg80211_registered_device *rdev, 402 struct net_device *dev, 403 struct cfg80211_connect_params *connect, 404 struct cfg80211_cached_keys *connkeys, 405 const u8 *prev_bssid); 406 void __cfg80211_connect_result(struct net_device *dev, 407 struct cfg80211_connect_resp_params *params, 408 bool wextev); 409 void __cfg80211_disconnected(struct net_device *dev, const u8 *ie, 410 size_t ie_len, u16 reason, bool from_ap); 411 int cfg80211_disconnect(struct cfg80211_registered_device *rdev, 412 struct net_device *dev, u16 reason, 413 bool wextev); 414 void __cfg80211_roamed(struct wireless_dev *wdev, 415 struct cfg80211_roam_info *info); 416 void __cfg80211_port_authorized(struct wireless_dev *wdev, const u8 *peer_addr, 417 const u8 *td_bitmap, u8 td_bitmap_len); 418 int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev, 419 struct wireless_dev *wdev); 420 void cfg80211_autodisconnect_wk(struct work_struct *work); 421 422 /* SME implementation */ 423 void cfg80211_conn_work(struct work_struct *work); 424 void cfg80211_sme_scan_done(struct net_device *dev); 425 bool cfg80211_sme_rx_assoc_resp(struct wireless_dev *wdev, u16 status); 426 void cfg80211_sme_rx_auth(struct wireless_dev *wdev, const u8 *buf, size_t len); 427 void cfg80211_sme_disassoc(struct wireless_dev *wdev); 428 void cfg80211_sme_deauth(struct wireless_dev *wdev); 429 void cfg80211_sme_auth_timeout(struct wireless_dev *wdev); 430 void cfg80211_sme_assoc_timeout(struct wireless_dev *wdev); 431 void cfg80211_sme_abandon_assoc(struct wireless_dev *wdev); 432 433 /* internal helpers */ 434 bool cfg80211_supported_cipher_suite(struct wiphy *wiphy, u32 cipher); 435 bool cfg80211_valid_key_idx(struct cfg80211_registered_device *rdev, 436 int key_idx, bool pairwise); 437 int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev, 438 struct key_params *params, int key_idx, 439 bool pairwise, const u8 *mac_addr); 440 void __cfg80211_scan_done(struct wiphy *wiphy, struct wiphy_work *wk); 441 void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, 442 bool send_message); 443 void cfg80211_add_sched_scan_req(struct cfg80211_registered_device *rdev, 444 struct cfg80211_sched_scan_request *req); 445 int cfg80211_sched_scan_req_possible(struct cfg80211_registered_device *rdev, 446 bool want_multi); 447 void cfg80211_sched_scan_results_wk(struct work_struct *work); 448 int cfg80211_stop_sched_scan_req(struct cfg80211_registered_device *rdev, 449 struct cfg80211_sched_scan_request *req, 450 bool driver_initiated); 451 int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev, 452 u64 reqid, bool driver_initiated); 453 void cfg80211_upload_connect_keys(struct wireless_dev *wdev); 454 int cfg80211_change_iface(struct cfg80211_registered_device *rdev, 455 struct net_device *dev, enum nl80211_iftype ntype, 456 struct vif_params *params); 457 void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev); 458 void cfg80211_process_wiphy_works(struct cfg80211_registered_device *rdev, 459 struct wiphy_work *end); 460 void cfg80211_process_wdev_events(struct wireless_dev *wdev); 461 462 bool cfg80211_does_bw_fit_range(const struct ieee80211_freq_range *freq_range, 463 u32 center_freq_khz, u32 bw_khz); 464 465 int cfg80211_scan(struct cfg80211_registered_device *rdev); 466 467 extern struct work_struct cfg80211_disconnect_work; 468 469 #define NL80211_BSS_USE_FOR_ALL (NL80211_BSS_USE_FOR_NORMAL | \ 470 NL80211_BSS_USE_FOR_MLD_LINK) 471 472 void cfg80211_set_dfs_state(struct wiphy *wiphy, 473 const struct cfg80211_chan_def *chandef, 474 enum nl80211_dfs_state dfs_state); 475 476 void cfg80211_dfs_channels_update_work(struct work_struct *work); 477 478 void cfg80211_sched_dfs_chan_update(struct cfg80211_registered_device *rdev); 479 480 int 481 cfg80211_start_background_radar_detection(struct cfg80211_registered_device *rdev, 482 struct wireless_dev *wdev, 483 struct cfg80211_chan_def *chandef); 484 485 void cfg80211_stop_background_radar_detection(struct wireless_dev *wdev); 486 487 void cfg80211_background_cac_done_wk(struct work_struct *work); 488 489 void cfg80211_background_cac_abort_wk(struct work_struct *work); 490 491 bool cfg80211_any_wiphy_oper_chan(struct wiphy *wiphy, 492 struct ieee80211_channel *chan); 493 494 bool cfg80211_beaconing_iface_active(struct wireless_dev *wdev); 495 496 bool cfg80211_is_sub_chan(struct cfg80211_chan_def *chandef, 497 struct ieee80211_channel *chan, 498 bool primary_only); 499 bool cfg80211_wdev_on_sub_chan(struct wireless_dev *wdev, 500 struct ieee80211_channel *chan, 501 bool primary_only); 502 bool _cfg80211_chandef_usable(struct wiphy *wiphy, 503 const struct cfg80211_chan_def *chandef, 504 u32 prohibited_flags, 505 u32 permitting_flags); 506 507 static inline unsigned int elapsed_jiffies_msecs(unsigned long start) 508 { 509 unsigned long end = jiffies; 510 511 if (end >= start) 512 return jiffies_to_msecs(end - start); 513 514 return jiffies_to_msecs(end + (ULONG_MAX - start) + 1); 515 } 516 517 int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev, 518 struct net_device *dev, 519 struct cfg80211_chan_def *chandef); 520 521 int ieee80211_get_ratemask(struct ieee80211_supported_band *sband, 522 const u8 *rates, unsigned int n_rates, 523 u32 *mask); 524 525 int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev, 526 enum nl80211_iftype iftype, u32 beacon_int); 527 528 void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev, 529 enum nl80211_iftype iftype, int num); 530 531 void cfg80211_leave(struct cfg80211_registered_device *rdev, 532 struct wireless_dev *wdev); 533 534 void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev, 535 struct wireless_dev *wdev); 536 537 void cfg80211_stop_nan(struct cfg80211_registered_device *rdev, 538 struct wireless_dev *wdev); 539 540 struct cfg80211_internal_bss * 541 cfg80211_bss_update(struct cfg80211_registered_device *rdev, 542 struct cfg80211_internal_bss *tmp, 543 bool signal_valid, unsigned long ts); 544 545 enum ieee80211_ap_reg_power 546 cfg80211_get_6ghz_power_type(const u8 *elems, size_t elems_len); 547 548 #ifdef CONFIG_CFG80211_DEVELOPER_WARNINGS 549 #define CFG80211_DEV_WARN_ON(cond) WARN_ON(cond) 550 #else 551 /* 552 * Trick to enable using it as a condition, 553 * and also not give a warning when it's 554 * not used that way. 555 */ 556 #define CFG80211_DEV_WARN_ON(cond) ({bool __r = (cond); __r; }) 557 #endif 558 559 void cfg80211_release_pmsr(struct wireless_dev *wdev, u32 portid); 560 void cfg80211_pmsr_wdev_down(struct wireless_dev *wdev); 561 void cfg80211_pmsr_free_wk(struct work_struct *work); 562 563 void cfg80211_remove_link(struct wireless_dev *wdev, unsigned int link_id); 564 void cfg80211_remove_links(struct wireless_dev *wdev); 565 int cfg80211_remove_virtual_intf(struct cfg80211_registered_device *rdev, 566 struct wireless_dev *wdev); 567 void cfg80211_wdev_release_link_bsses(struct wireless_dev *wdev, u16 link_mask); 568 569 int cfg80211_assoc_ml_reconf(struct cfg80211_registered_device *rdev, 570 struct net_device *dev, 571 struct cfg80211_ml_reconf_req *req); 572 573 /** 574 * struct cfg80211_colocated_ap - colocated AP information 575 * 576 * @list: linked list to all colocated APs 577 * @bssid: BSSID of the reported AP 578 * @ssid: SSID of the reported AP 579 * @ssid_len: length of the ssid 580 * @center_freq: frequency the reported AP is on 581 * @unsolicited_probe: the reported AP is part of an ESS, where all the APs 582 * that operate in the same channel as the reported AP and that might be 583 * detected by a STA receiving this frame, are transmitting unsolicited 584 * Probe Response frames every 20 TUs 585 * @oct_recommended: OCT is recommended to exchange MMPDUs with the reported AP 586 * @same_ssid: the reported AP has the same SSID as the reporting AP 587 * @multi_bss: the reported AP is part of a multiple BSSID set 588 * @transmitted_bssid: the reported AP is the transmitting BSSID 589 * @colocated_ess: all the APs that share the same ESS as the reported AP are 590 * colocated and can be discovered via legacy bands. 591 * @short_ssid_valid: short_ssid is valid and can be used 592 * @short_ssid: the short SSID for this SSID 593 * @psd_20: The 20MHz PSD EIRP of the primary 20MHz channel for the reported AP 594 */ 595 struct cfg80211_colocated_ap { 596 struct list_head list; 597 u8 bssid[ETH_ALEN]; 598 u8 ssid[IEEE80211_MAX_SSID_LEN]; 599 size_t ssid_len; 600 u32 short_ssid; 601 u32 center_freq; 602 u8 unsolicited_probe:1, 603 oct_recommended:1, 604 same_ssid:1, 605 multi_bss:1, 606 transmitted_bssid:1, 607 colocated_ess:1, 608 short_ssid_valid:1; 609 s8 psd_20; 610 }; 611 612 #if IS_ENABLED(CONFIG_CFG80211_KUNIT_TEST) 613 #define EXPORT_SYMBOL_IF_CFG80211_KUNIT(sym) EXPORT_SYMBOL_IF_KUNIT(sym) 614 #define VISIBLE_IF_CFG80211_KUNIT 615 void cfg80211_free_coloc_ap_list(struct list_head *coloc_ap_list); 616 617 int cfg80211_parse_colocated_ap(const struct cfg80211_bss_ies *ies, 618 struct list_head *list); 619 620 size_t cfg80211_gen_new_ie(const u8 *ie, size_t ielen, 621 const u8 *subie, size_t subie_len, 622 u8 *new_ie, size_t new_ie_len); 623 #else 624 #define EXPORT_SYMBOL_IF_CFG80211_KUNIT(sym) 625 #define VISIBLE_IF_CFG80211_KUNIT static 626 #endif /* IS_ENABLED(CONFIG_CFG80211_KUNIT_TEST) */ 627 628 #endif /* __NET_WIRELESS_CORE_H */ 629