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) 2018-2024 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 wiphy_to_rdev(struct wiphy * wiphy)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 cfg80211_rdev_free_wowlan(struct cfg80211_registered_device * rdev)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 cfg80211_assign_cookie(struct cfg80211_registered_device * rdev)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 */ for_each_rdev_check_rtnl(void)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 u64 ts_boottime; 184 unsigned long ts; 185 unsigned long refcount; 186 atomic_t hold; 187 188 /* time at the start of the reception of the first octet of the 189 * timestamp field of the last beacon/probe received for this BSS. 190 * The time is the TSF of the BSS specified by %parent_bssid. 191 */ 192 u64 parent_tsf; 193 194 /* the BSS according to which %parent_tsf is set. This is set to 195 * the BSS that the interface that requested the scan was connected to 196 * when the beacon/probe was received. 197 */ 198 u8 parent_bssid[ETH_ALEN] __aligned(2); 199 200 enum bss_source_type bss_source; 201 202 /* must be last because of priv member */ 203 struct cfg80211_bss pub; 204 }; 205 bss_from_pub(struct cfg80211_bss * pub)206 static inline struct cfg80211_internal_bss *bss_from_pub(struct cfg80211_bss *pub) 207 { 208 return container_of(pub, struct cfg80211_internal_bss, pub); 209 } 210 cfg80211_hold_bss(struct cfg80211_internal_bss * bss)211 static inline void cfg80211_hold_bss(struct cfg80211_internal_bss *bss) 212 { 213 atomic_inc(&bss->hold); 214 if (bss->pub.transmitted_bss) { 215 bss = container_of(bss->pub.transmitted_bss, 216 struct cfg80211_internal_bss, pub); 217 atomic_inc(&bss->hold); 218 } 219 } 220 cfg80211_unhold_bss(struct cfg80211_internal_bss * bss)221 static inline void cfg80211_unhold_bss(struct cfg80211_internal_bss *bss) 222 { 223 int r = atomic_dec_return(&bss->hold); 224 WARN_ON(r < 0); 225 if (bss->pub.transmitted_bss) { 226 bss = container_of(bss->pub.transmitted_bss, 227 struct cfg80211_internal_bss, pub); 228 r = atomic_dec_return(&bss->hold); 229 WARN_ON(r < 0); 230 } 231 } 232 233 234 struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx); 235 int get_wiphy_idx(struct wiphy *wiphy); 236 237 struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx); 238 239 int cfg80211_switch_netns(struct cfg80211_registered_device *rdev, 240 struct net *net); 241 242 void cfg80211_init_wdev(struct wireless_dev *wdev); 243 void cfg80211_register_wdev(struct cfg80211_registered_device *rdev, 244 struct wireless_dev *wdev); 245 cfg80211_has_monitors_only(struct cfg80211_registered_device * rdev)246 static inline bool cfg80211_has_monitors_only(struct cfg80211_registered_device *rdev) 247 { 248 lockdep_assert_held(&rdev->wiphy.mtx); 249 250 return rdev->num_running_ifaces == rdev->num_running_monitor_ifaces && 251 rdev->num_running_ifaces > 0; 252 } 253 254 enum cfg80211_event_type { 255 EVENT_CONNECT_RESULT, 256 EVENT_ROAMED, 257 EVENT_DISCONNECTED, 258 EVENT_IBSS_JOINED, 259 EVENT_STOPPED, 260 EVENT_PORT_AUTHORIZED, 261 }; 262 263 struct cfg80211_event { 264 struct list_head list; 265 enum cfg80211_event_type type; 266 267 union { 268 struct cfg80211_connect_resp_params cr; 269 struct cfg80211_roam_info rm; 270 struct { 271 const u8 *ie; 272 size_t ie_len; 273 u16 reason; 274 bool locally_generated; 275 } dc; 276 struct { 277 u8 bssid[ETH_ALEN]; 278 struct ieee80211_channel *channel; 279 } ij; 280 struct { 281 u8 peer_addr[ETH_ALEN]; 282 const u8 *td_bitmap; 283 u8 td_bitmap_len; 284 } pa; 285 }; 286 }; 287 288 struct cfg80211_cached_keys { 289 struct key_params params[4]; 290 u8 data[4][WLAN_KEY_LEN_WEP104]; 291 int def; 292 }; 293 294 struct cfg80211_beacon_registration { 295 struct list_head list; 296 u32 nlportid; 297 }; 298 299 struct cfg80211_cqm_config { 300 struct rcu_head rcu_head; 301 u32 rssi_hyst; 302 s32 last_rssi_event_value; 303 enum nl80211_cqm_rssi_threshold_event last_rssi_event_type; 304 bool use_range_api; 305 int n_rssi_thresholds; 306 s32 rssi_thresholds[] __counted_by(n_rssi_thresholds); 307 }; 308 309 void cfg80211_cqm_rssi_notify_work(struct wiphy *wiphy, 310 struct wiphy_work *work); 311 312 void cfg80211_destroy_ifaces(struct cfg80211_registered_device *rdev); 313 314 /* free object */ 315 void cfg80211_dev_free(struct cfg80211_registered_device *rdev); 316 317 int cfg80211_dev_rename(struct cfg80211_registered_device *rdev, 318 char *newname); 319 320 void ieee80211_set_bitrate_flags(struct wiphy *wiphy); 321 322 void cfg80211_bss_expire(struct cfg80211_registered_device *rdev); 323 void cfg80211_bss_age(struct cfg80211_registered_device *rdev, 324 unsigned long age_secs); 325 void cfg80211_update_assoc_bss_entry(struct wireless_dev *wdev, 326 unsigned int link, 327 struct ieee80211_channel *channel); 328 329 /* IBSS */ 330 int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev, 331 struct net_device *dev, 332 struct cfg80211_ibss_params *params, 333 struct cfg80211_cached_keys *connkeys); 334 void cfg80211_clear_ibss(struct net_device *dev, bool nowext); 335 int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, 336 struct net_device *dev, bool nowext); 337 void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, 338 struct ieee80211_channel *channel); 339 int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev, 340 struct wireless_dev *wdev); 341 342 /* mesh */ 343 extern const struct mesh_config default_mesh_config; 344 extern const struct mesh_setup default_mesh_setup; 345 int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev, 346 struct net_device *dev, 347 struct mesh_setup *setup, 348 const struct mesh_config *conf); 349 int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev, 350 struct net_device *dev); 351 int cfg80211_set_mesh_channel(struct cfg80211_registered_device *rdev, 352 struct wireless_dev *wdev, 353 struct cfg80211_chan_def *chandef); 354 355 /* OCB */ 356 int cfg80211_join_ocb(struct cfg80211_registered_device *rdev, 357 struct net_device *dev, 358 struct ocb_setup *setup); 359 int cfg80211_leave_ocb(struct cfg80211_registered_device *rdev, 360 struct net_device *dev); 361 362 /* AP */ 363 int cfg80211_stop_ap(struct cfg80211_registered_device *rdev, 364 struct net_device *dev, int link, 365 bool notify); 366 367 /* MLME */ 368 int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, 369 struct net_device *dev, 370 struct cfg80211_auth_request *req); 371 int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, 372 struct net_device *dev, 373 struct cfg80211_assoc_request *req, 374 struct netlink_ext_ack *extack); 375 int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev, 376 struct net_device *dev, const u8 *bssid, 377 const u8 *ie, int ie_len, u16 reason, 378 bool local_state_change); 379 int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev, 380 struct net_device *dev, const u8 *ap_addr, 381 const u8 *ie, int ie_len, u16 reason, 382 bool local_state_change); 383 void cfg80211_mlme_down(struct cfg80211_registered_device *rdev, 384 struct net_device *dev); 385 int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid, 386 u16 frame_type, const u8 *match_data, 387 int match_len, bool multicast_rx, 388 struct netlink_ext_ack *extack); 389 void cfg80211_mgmt_registrations_update_wk(struct work_struct *wk); 390 void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid); 391 void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev); 392 int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev, 393 struct wireless_dev *wdev, 394 struct cfg80211_mgmt_tx_params *params, 395 u64 *cookie); 396 void cfg80211_oper_and_ht_capa(struct ieee80211_ht_cap *ht_capa, 397 const struct ieee80211_ht_cap *ht_capa_mask); 398 void cfg80211_oper_and_vht_capa(struct ieee80211_vht_cap *vht_capa, 399 const struct ieee80211_vht_cap *vht_capa_mask); 400 401 /* SME events */ 402 int cfg80211_connect(struct cfg80211_registered_device *rdev, 403 struct net_device *dev, 404 struct cfg80211_connect_params *connect, 405 struct cfg80211_cached_keys *connkeys, 406 const u8 *prev_bssid); 407 void __cfg80211_connect_result(struct net_device *dev, 408 struct cfg80211_connect_resp_params *params, 409 bool wextev); 410 void __cfg80211_disconnected(struct net_device *dev, const u8 *ie, 411 size_t ie_len, u16 reason, bool from_ap); 412 int cfg80211_disconnect(struct cfg80211_registered_device *rdev, 413 struct net_device *dev, u16 reason, 414 bool wextev); 415 void __cfg80211_roamed(struct wireless_dev *wdev, 416 struct cfg80211_roam_info *info); 417 void __cfg80211_port_authorized(struct wireless_dev *wdev, const u8 *peer_addr, 418 const u8 *td_bitmap, u8 td_bitmap_len); 419 int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev, 420 struct wireless_dev *wdev); 421 void cfg80211_autodisconnect_wk(struct work_struct *work); 422 423 /* SME implementation */ 424 void cfg80211_conn_work(struct work_struct *work); 425 void cfg80211_sme_scan_done(struct net_device *dev); 426 bool cfg80211_sme_rx_assoc_resp(struct wireless_dev *wdev, u16 status); 427 void cfg80211_sme_rx_auth(struct wireless_dev *wdev, const u8 *buf, size_t len); 428 void cfg80211_sme_disassoc(struct wireless_dev *wdev); 429 void cfg80211_sme_deauth(struct wireless_dev *wdev); 430 void cfg80211_sme_auth_timeout(struct wireless_dev *wdev); 431 void cfg80211_sme_assoc_timeout(struct wireless_dev *wdev); 432 void cfg80211_sme_abandon_assoc(struct wireless_dev *wdev); 433 434 /* internal helpers */ 435 bool cfg80211_supported_cipher_suite(struct wiphy *wiphy, u32 cipher); 436 bool cfg80211_valid_key_idx(struct cfg80211_registered_device *rdev, 437 int key_idx, bool pairwise); 438 int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev, 439 struct key_params *params, int key_idx, 440 bool pairwise, const u8 *mac_addr); 441 void __cfg80211_scan_done(struct wiphy *wiphy, struct wiphy_work *wk); 442 void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, 443 bool send_message); 444 void cfg80211_add_sched_scan_req(struct cfg80211_registered_device *rdev, 445 struct cfg80211_sched_scan_request *req); 446 int cfg80211_sched_scan_req_possible(struct cfg80211_registered_device *rdev, 447 bool want_multi); 448 void cfg80211_sched_scan_results_wk(struct work_struct *work); 449 int cfg80211_stop_sched_scan_req(struct cfg80211_registered_device *rdev, 450 struct cfg80211_sched_scan_request *req, 451 bool driver_initiated); 452 int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev, 453 u64 reqid, bool driver_initiated); 454 void cfg80211_upload_connect_keys(struct wireless_dev *wdev); 455 int cfg80211_change_iface(struct cfg80211_registered_device *rdev, 456 struct net_device *dev, enum nl80211_iftype ntype, 457 struct vif_params *params); 458 void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev); 459 void cfg80211_process_wiphy_works(struct cfg80211_registered_device *rdev, 460 struct wiphy_work *end); 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 #define NL80211_BSS_USE_FOR_ALL (NL80211_BSS_USE_FOR_NORMAL | \ 471 NL80211_BSS_USE_FOR_MLD_LINK) 472 473 void cfg80211_set_dfs_state(struct wiphy *wiphy, 474 const struct cfg80211_chan_def *chandef, 475 enum nl80211_dfs_state dfs_state); 476 477 void cfg80211_dfs_channels_update_work(struct work_struct *work); 478 479 void cfg80211_sched_dfs_chan_update(struct cfg80211_registered_device *rdev); 480 481 int 482 cfg80211_start_background_radar_detection(struct cfg80211_registered_device *rdev, 483 struct wireless_dev *wdev, 484 struct cfg80211_chan_def *chandef); 485 486 void cfg80211_stop_background_radar_detection(struct wireless_dev *wdev); 487 488 void cfg80211_background_cac_done_wk(struct work_struct *work); 489 490 void cfg80211_background_cac_abort_wk(struct work_struct *work); 491 492 bool cfg80211_any_wiphy_oper_chan(struct wiphy *wiphy, 493 struct ieee80211_channel *chan); 494 495 bool cfg80211_beaconing_iface_active(struct wireless_dev *wdev); 496 497 bool cfg80211_is_sub_chan(struct cfg80211_chan_def *chandef, 498 struct ieee80211_channel *chan, 499 bool primary_only); 500 bool cfg80211_wdev_on_sub_chan(struct wireless_dev *wdev, 501 struct ieee80211_channel *chan, 502 bool primary_only); 503 bool _cfg80211_chandef_usable(struct wiphy *wiphy, 504 const struct cfg80211_chan_def *chandef, 505 u32 prohibited_flags, 506 u32 permitting_flags); 507 elapsed_jiffies_msecs(unsigned long start)508 static inline unsigned int elapsed_jiffies_msecs(unsigned long start) 509 { 510 unsigned long end = jiffies; 511 512 if (end >= start) 513 return jiffies_to_msecs(end - start); 514 515 return jiffies_to_msecs(end + (ULONG_MAX - start) + 1); 516 } 517 518 int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev, 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 /** 570 * struct cfg80211_colocated_ap - colocated AP information 571 * 572 * @list: linked list to all colocated APs 573 * @bssid: BSSID of the reported AP 574 * @ssid: SSID of the reported AP 575 * @ssid_len: length of the ssid 576 * @center_freq: frequency the reported AP is on 577 * @unsolicited_probe: the reported AP is part of an ESS, where all the APs 578 * that operate in the same channel as the reported AP and that might be 579 * detected by a STA receiving this frame, are transmitting unsolicited 580 * Probe Response frames every 20 TUs 581 * @oct_recommended: OCT is recommended to exchange MMPDUs with the reported AP 582 * @same_ssid: the reported AP has the same SSID as the reporting AP 583 * @multi_bss: the reported AP is part of a multiple BSSID set 584 * @transmitted_bssid: the reported AP is the transmitting BSSID 585 * @colocated_ess: all the APs that share the same ESS as the reported AP are 586 * colocated and can be discovered via legacy bands. 587 * @short_ssid_valid: short_ssid is valid and can be used 588 * @short_ssid: the short SSID for this SSID 589 * @psd_20: The 20MHz PSD EIRP of the primary 20MHz channel for the reported AP 590 */ 591 struct cfg80211_colocated_ap { 592 struct list_head list; 593 u8 bssid[ETH_ALEN]; 594 u8 ssid[IEEE80211_MAX_SSID_LEN]; 595 size_t ssid_len; 596 u32 short_ssid; 597 u32 center_freq; 598 u8 unsolicited_probe:1, 599 oct_recommended:1, 600 same_ssid:1, 601 multi_bss:1, 602 transmitted_bssid:1, 603 colocated_ess:1, 604 short_ssid_valid:1; 605 s8 psd_20; 606 }; 607 608 #if IS_ENABLED(CONFIG_CFG80211_KUNIT_TEST) 609 #define EXPORT_SYMBOL_IF_CFG80211_KUNIT(sym) EXPORT_SYMBOL_IF_KUNIT(sym) 610 #define VISIBLE_IF_CFG80211_KUNIT 611 void cfg80211_free_coloc_ap_list(struct list_head *coloc_ap_list); 612 613 int cfg80211_parse_colocated_ap(const struct cfg80211_bss_ies *ies, 614 struct list_head *list); 615 616 size_t cfg80211_gen_new_ie(const u8 *ie, size_t ielen, 617 const u8 *subie, size_t subie_len, 618 u8 *new_ie, size_t new_ie_len); 619 #else 620 #define EXPORT_SYMBOL_IF_CFG80211_KUNIT(sym) 621 #define VISIBLE_IF_CFG80211_KUNIT static 622 #endif /* IS_ENABLED(CONFIG_CFG80211_KUNIT_TEST) */ 623 624 #endif /* __NET_WIRELESS_CORE_H */ 625