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