1	/* SPDX-License-Identifier: GPL-2.0-only */
2	/*
3	* Copyright 2002-2005, Instant802 Networks, Inc.
4	* Copyright 2005, Devicescape Software, Inc.
5	* Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
6	* Copyright 2007-2010 Johannes Berg <johannes@sipsolutions.net>
7	* Copyright 2013-2015 Intel Mobile Communications GmbH
8	* Copyright (C) 2018-2025 Intel Corporation
9	*/
10
11	#ifndef IEEE80211_I_H
12	#define IEEE80211_I_H
13
14	#include <linux/kernel.h>
15	#include <linux/device.h>
16	#include <linux/if_ether.h>
17	#include <linux/interrupt.h>
18	#include <linux/list.h>
19	#include <linux/netdevice.h>
20	#include <linux/skbuff.h>
21	#include <linux/workqueue.h>
22	#include <linux/types.h>
23	#include <linux/spinlock.h>
24	#include <linux/etherdevice.h>
25	#include <linux/leds.h>
26	#include <linux/idr.h>
27	#include <linux/rhashtable.h>
28	#include <linux/rbtree.h>
29	#include <kunit/visibility.h>
30	#include <net/ieee80211_radiotap.h>
31	#include <net/cfg80211.h>
32	#include <net/mac80211.h>
33	#include <net/fq.h>
34	#include "key.h"
35	#include "sta_info.h"
36	#include "debug.h"
37	#include "drop.h"
38
39	extern const struct cfg80211_ops mac80211_config_ops;
40
41	struct ieee80211_local;
42	struct ieee80211_mesh_fast_tx;
43
44	/* Maximum number of broadcast/multicast frames to buffer when some of the
45	* associated stations are using power saving. */
46	#define AP_MAX_BC_BUFFER 128
47
48	/* Maximum number of frames buffered to all STAs, including multicast frames.
49	* Note: increasing this limit increases the potential memory requirement. Each
50	* frame can be up to about 2 kB long. */
51	#define TOTAL_MAX_TX_BUFFER 512
52
53	/* Required encryption head and tailroom */
54	#define IEEE80211_ENCRYPT_HEADROOM 8
55	#define IEEE80211_ENCRYPT_TAILROOM 18
56
57	/* power level hasn't been configured (or set to automatic) */
58	#define IEEE80211_UNSET_POWER_LEVEL INT_MIN
59
60	/*
61	* Some APs experience problems when working with U-APSD. Decreasing the
62	* probability of that happening by using legacy mode for all ACs but VO isn't
63	* enough.
64	*
65	* Cisco 4410N originally forced us to enable VO by default only because it
66	* treated non-VO ACs as legacy.
67	*
68	* However some APs (notably Netgear R7000) silently reclassify packets to
69	* different ACs. Since u-APSD ACs require trigger frames for frame retrieval
70	* clients would never see some frames (e.g. ARP responses) or would fetch them
71	* accidentally after a long time.
72	*
73	* It makes little sense to enable u-APSD queues by default because it needs
74	* userspace applications to be aware of it to actually take advantage of the
75	* possible additional powersavings. Implicitly depending on driver autotrigger
76	* frame support doesn't make much sense.
77	*/
78	#define IEEE80211_DEFAULT_UAPSD_QUEUES 0
79
80	#define IEEE80211_DEFAULT_MAX_SP_LEN \
81	IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL
82
83	extern const u8 ieee80211_ac_to_qos_mask[IEEE80211_NUM_ACS];
84
85	#define IEEE80211_DEAUTH_FRAME_LEN (24 /* hdr */ + 2 /* reason */)
86
87	#define IEEE80211_MAX_NAN_INSTANCE_ID 255
88
89	enum ieee80211_status_data {
90	IEEE80211_STATUS_TYPE_MASK = 0x00f,
91	IEEE80211_STATUS_TYPE_INVALID = 0,
92	IEEE80211_STATUS_TYPE_SMPS = 1,
93	IEEE80211_STATUS_TYPE_NEG_TTLM = 2,
94	IEEE80211_STATUS_SUBDATA_MASK = 0x1ff0,
95	};
96
97	static inline bool
98	ieee80211_sta_keep_active(struct sta_info *sta, u8 ac)
99	{
100	/* Keep a station's queues on the active list for deficit accounting
101	* purposes if it was active or queued during the last 100ms.
102	*/
103	return time_before_eq(jiffies, sta->airtime[ac].last_active + HZ / 10);
104	}
105
106	struct ieee80211_bss {
107	u32 device_ts_beacon, device_ts_presp;
108
109	bool wmm_used;
110	bool uapsd_supported;
111
112	#define IEEE80211_MAX_SUPP_RATES 32
113	u8 supp_rates[IEEE80211_MAX_SUPP_RATES];
114	size_t supp_rates_len;
115	struct ieee80211_rate *beacon_rate;
116
117	u32 vht_cap_info;
118
119	/*
120	* During association, we save an ERP value from a probe response so
121	* that we can feed ERP info to the driver when handling the
122	* association completes. these fields probably won't be up-to-date
123	* otherwise, you probably don't want to use them.
124	*/
125	bool has_erp_value;
126	u8 erp_value;
127
128	/* Keep track of the corruption of the last beacon/probe response. */
129	u8 corrupt_data;
130
131	/* Keep track of what bits of information we have valid info for. */
132	u8 valid_data;
133	};
134
135	/**
136	* enum ieee80211_bss_corrupt_data_flags - BSS data corruption flags
137	* @IEEE80211_BSS_CORRUPT_BEACON: last beacon frame received was corrupted
138	* @IEEE80211_BSS_CORRUPT_PROBE_RESP: last probe response received was corrupted
139	*
140	* These are bss flags that are attached to a bss in the
141	* @corrupt_data field of &struct ieee80211_bss.
142	*/
143	enum ieee80211_bss_corrupt_data_flags {
144	IEEE80211_BSS_CORRUPT_BEACON = BIT(0),
145	IEEE80211_BSS_CORRUPT_PROBE_RESP = BIT(1)
146	};
147
148	/**
149	* enum ieee80211_bss_valid_data_flags - BSS valid data flags
150	* @IEEE80211_BSS_VALID_WMM: WMM/UAPSD data was gathered from non-corrupt IE
151	* @IEEE80211_BSS_VALID_RATES: Supported rates were gathered from non-corrupt IE
152	* @IEEE80211_BSS_VALID_ERP: ERP flag was gathered from non-corrupt IE
153	*
154	* These are bss flags that are attached to a bss in the
155	* @valid_data field of &struct ieee80211_bss. They show which parts
156	* of the data structure were received as a result of an un-corrupted
157	* beacon/probe response.
158	*/
159	enum ieee80211_bss_valid_data_flags {
160	IEEE80211_BSS_VALID_WMM = BIT(1),
161	IEEE80211_BSS_VALID_RATES = BIT(2),
162	IEEE80211_BSS_VALID_ERP = BIT(3)
163	};
164
165	typedef unsigned __bitwise ieee80211_tx_result;
166	#define TX_CONTINUE ((__force ieee80211_tx_result) 0u)
167	#define TX_DROP ((__force ieee80211_tx_result) 1u)
168	#define TX_QUEUED ((__force ieee80211_tx_result) 2u)
169
170	#define IEEE80211_TX_UNICAST BIT(1)
171	#define IEEE80211_TX_PS_BUFFERED BIT(2)
172
173	struct ieee80211_tx_data {
174	struct sk_buff *skb;
175	struct sk_buff_head skbs;
176	struct ieee80211_local *local;
177	struct ieee80211_sub_if_data *sdata;
178	struct sta_info *sta;
179	struct ieee80211_key *key;
180	struct ieee80211_tx_rate rate;
181
182	unsigned int flags;
183	};
184
185	/**
186	* enum ieee80211_packet_rx_flags - packet RX flags
187	* @IEEE80211_RX_AMSDU: a-MSDU packet
188	* @IEEE80211_RX_MALFORMED_ACTION_FRM: action frame is malformed
189	* @IEEE80211_RX_DEFERRED_RELEASE: frame was subjected to receive reordering
190	*
191	* These are per-frame flags that are attached to a frame in the
192	* @rx_flags field of &struct ieee80211_rx_status.
193	*/
194	enum ieee80211_packet_rx_flags {
195	IEEE80211_RX_AMSDU = BIT(3),
196	IEEE80211_RX_MALFORMED_ACTION_FRM = BIT(4),
197	IEEE80211_RX_DEFERRED_RELEASE = BIT(5),
198	};
199
200	/**
201	* enum ieee80211_rx_flags - RX data flags
202	*
203	* @IEEE80211_RX_BEACON_REPORTED: This frame was already reported
204	* to cfg80211_report_obss_beacon().
205	*
206	* These flags are used across handling multiple interfaces
207	* for a single frame.
208	*/
209	enum ieee80211_rx_flags {
210	IEEE80211_RX_BEACON_REPORTED = BIT(0),
211	};
212
213	struct ieee80211_rx_data {
214	struct list_head *list;
215	struct sk_buff *skb;
216	struct ieee80211_local *local;
217	struct ieee80211_sub_if_data *sdata;
218	struct ieee80211_link_data *link;
219	struct sta_info *sta;
220	struct link_sta_info *link_sta;
221	struct ieee80211_key *key;
222
223	unsigned int flags;
224
225	/*
226	* Index into sequence numbers array, 0..16
227	* since the last (16) is used for non-QoS,
228	* will be 16 on non-QoS frames.
229	*/
230	int seqno_idx;
231
232	/*
233	* Index into the security IV/PN arrays, 0..16
234	* since the last (16) is used for CCMP-encrypted
235	* management frames, will be set to 16 on mgmt
236	* frames and 0 on non-QoS frames.
237	*/
238	int security_idx;
239
240	int link_id;
241
242	union {
243	struct {
244	u32 iv32;
245	u16 iv16;
246	} tkip;
247	struct {
248	u8 pn[IEEE80211_CCMP_PN_LEN];
249	} ccm_gcm;
250	};
251	};
252
253	struct ieee80211_csa_settings {
254	const u16 *counter_offsets_beacon;
255	const u16 *counter_offsets_presp;
256
257	int n_counter_offsets_beacon;
258	int n_counter_offsets_presp;
259
260	u8 count;
261	};
262
263	struct ieee80211_color_change_settings {
264	u16 counter_offset_beacon;
265	u16 counter_offset_presp;
266	u8 count;
267	};
268
269	struct beacon_data {
270	u8 *head, *tail;
271	int head_len, tail_len;
272	struct ieee80211_meshconf_ie *meshconf;
273	u16 cntdwn_counter_offsets[IEEE80211_MAX_CNTDWN_COUNTERS_NUM];
274	u8 cntdwn_current_counter;
275	struct cfg80211_mbssid_elems *mbssid_ies;
276	struct cfg80211_rnr_elems *rnr_ies;
277	struct rcu_head rcu_head;
278	};
279
280	struct probe_resp {
281	struct rcu_head rcu_head;
282	int len;
283	u16 cntdwn_counter_offsets[IEEE80211_MAX_CNTDWN_COUNTERS_NUM];
284	u8 data[];
285	};
286
287	struct fils_discovery_data {
288	struct rcu_head rcu_head;
289	int len;
290	u8 data[];
291	};
292
293	struct unsol_bcast_probe_resp_data {
294	struct rcu_head rcu_head;
295	int len;
296	u8 data[];
297	};
298
299	struct ps_data {
300	/* yes, this looks ugly, but guarantees that we can later use
301	* bitmap_empty :)
302	* NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */
303	u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]
304	__aligned(__alignof__(unsigned long));
305	struct sk_buff_head bc_buf;
306	atomic_t num_sta_ps; /* number of stations in PS mode */
307	int dtim_count;
308	bool dtim_bc_mc;
309	};
310
311	struct ieee80211_if_ap {
312	struct list_head vlans; /* write-protected with RTNL and local->mtx */
313
314	struct ps_data ps;
315	atomic_t num_mcast_sta; /* number of stations receiving multicast */
316
317	bool multicast_to_unicast;
318	bool active;
319	};
320
321	struct ieee80211_if_vlan {
322	struct list_head list; /* write-protected with RTNL and local->mtx */
323
324	/* used for all tx if the VLAN is configured to 4-addr mode */
325	struct sta_info __rcu *sta;
326	atomic_t num_mcast_sta; /* number of stations receiving multicast */
327	};
328
329	struct mesh_stats {
330	__u32 fwded_mcast; /* Mesh forwarded multicast frames */
331	__u32 fwded_unicast; /* Mesh forwarded unicast frames */
332	__u32 fwded_frames; /* Mesh total forwarded frames */
333	__u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/
334	__u32 dropped_frames_no_route; /* Not transmitted, no route found */
335	};
336
337	#define PREQ_Q_F_START 0x1
338	#define PREQ_Q_F_REFRESH 0x2
339	struct mesh_preq_queue {
340	struct list_head list;
341	u8 dst[ETH_ALEN];
342	u8 flags;
343	};
344
345	struct ieee80211_roc_work {
346	struct list_head list;
347
348	struct ieee80211_sub_if_data *sdata;
349
350	struct ieee80211_channel *chan;
351
352	bool started, abort, hw_begun, notified;
353	bool on_channel;
354
355	unsigned long start_time;
356
357	u32 duration, req_duration;
358	struct sk_buff *frame;
359	u64 cookie, mgmt_tx_cookie;
360	enum ieee80211_roc_type type;
361	};
362
363	/* flags used in struct ieee80211_if_managed.flags */
364	enum ieee80211_sta_flags {
365	IEEE80211_STA_CONNECTION_POLL = BIT(1),
366	IEEE80211_STA_CONTROL_PORT = BIT(2),
367	IEEE80211_STA_MFP_ENABLED = BIT(6),
368	IEEE80211_STA_UAPSD_ENABLED = BIT(7),
369	IEEE80211_STA_NULLFUNC_ACKED = BIT(8),
370	IEEE80211_STA_ENABLE_RRM = BIT(15),
371	};
372
373	enum ieee80211_conn_mode {
374	IEEE80211_CONN_MODE_S1G,
375	IEEE80211_CONN_MODE_LEGACY,
376	IEEE80211_CONN_MODE_HT,
377	IEEE80211_CONN_MODE_VHT,
378	IEEE80211_CONN_MODE_HE,
379	IEEE80211_CONN_MODE_EHT,
380	};
381
382	#define IEEE80211_CONN_MODE_HIGHEST IEEE80211_CONN_MODE_EHT
383
384	enum ieee80211_conn_bw_limit {
385	IEEE80211_CONN_BW_LIMIT_20,
386	IEEE80211_CONN_BW_LIMIT_40,
387	IEEE80211_CONN_BW_LIMIT_80,
388	IEEE80211_CONN_BW_LIMIT_160, /* also 80+80 */
389	IEEE80211_CONN_BW_LIMIT_320,
390	};
391
392	struct ieee80211_conn_settings {
393	enum ieee80211_conn_mode mode;
394	enum ieee80211_conn_bw_limit bw_limit;
395	};
396
397	extern const struct ieee80211_conn_settings ieee80211_conn_settings_unlimited;
398
399	struct ieee80211_mgd_auth_data {
400	struct cfg80211_bss *bss;
401	unsigned long timeout;
402	int tries;
403	u16 algorithm, expected_transaction;
404
405	unsigned long userspace_selectors[BITS_TO_LONGS(128)];
406
407	u8 key[WLAN_KEY_LEN_WEP104];
408	u8 key_len, key_idx;
409	bool done, waiting;
410	bool peer_confirmed;
411	bool timeout_started;
412	int link_id;
413
414	u8 ap_addr[ETH_ALEN] __aligned(2);
415
416	u16 sae_trans, sae_status;
417	size_t data_len;
418	u8 data[];
419	};
420
421	struct ieee80211_mgd_assoc_data {
422	struct {
423	struct cfg80211_bss *bss;
424
425	u8 addr[ETH_ALEN] __aligned(2);
426
427	u8 ap_ht_param;
428
429	struct ieee80211_vht_cap ap_vht_cap;
430
431	size_t elems_len;
432	u8 *elems; /* pointing to inside ie[] below */
433
434	struct ieee80211_conn_settings conn;
435
436	u16 status;
437
438	bool disabled;
439	} link[IEEE80211_MLD_MAX_NUM_LINKS];
440
441	u8 ap_addr[ETH_ALEN] __aligned(2);
442
443	/* this is for a workaround, so we use it only for non-MLO */
444	const u8 *supp_rates;
445	u8 supp_rates_len;
446
447	unsigned long timeout;
448	int tries;
449
450	u8 prev_ap_addr[ETH_ALEN];
451	u8 ssid[IEEE80211_MAX_SSID_LEN];
452	u8 ssid_len;
453	bool wmm, uapsd;
454	bool need_beacon;
455	bool synced;
456	bool timeout_started;
457	bool comeback; /* whether the AP has requested association comeback */
458	bool s1g;
459	bool spp_amsdu;
460
461	s8 assoc_link_id;
462
463	__le16 ext_mld_capa_ops;
464
465	u8 fils_nonces[2 * FILS_NONCE_LEN];
466	u8 fils_kek[FILS_MAX_KEK_LEN];
467	size_t fils_kek_len;
468
469	size_t ie_len;
470	u8 *ie_pos; /* used to fill ie[] with link[].elems */
471	u8 ie[];
472	};
473
474	struct ieee80211_sta_tx_tspec {
475	/* timestamp of the first packet in the time slice */
476	unsigned long time_slice_start;
477
478	u32 admitted_time; /* in usecs, unlike over the air */
479	u8 tsid;
480	s8 up; /* signed to be able to invalidate with -1 during teardown */
481
482	/* consumed TX time in microseconds in the time slice */
483	u32 consumed_tx_time;
484	enum {
485	TX_TSPEC_ACTION_NONE = 0,
486	TX_TSPEC_ACTION_DOWNGRADE,
487	TX_TSPEC_ACTION_STOP_DOWNGRADE,
488	} action;
489	bool downgraded;
490	};
491
492	/* Advertised TID-to-link mapping info */
493	struct ieee80211_adv_ttlm_info {
494	/* time in TUs at which the new mapping is established, or 0 if there is
495	* no planned advertised TID-to-link mapping
496	*/
497	u16 switch_time;
498	u32 duration; /* duration of the planned T2L map in TUs */
499	u16 map; /* map of usable links for all TIDs */
500	bool active; /* whether the advertised mapping is active or not */
501	};
502
503	DECLARE_EWMA(beacon_signal, 4, 4)
504
505	struct ieee80211_if_managed {
506	struct timer_list timer;
507	struct timer_list conn_mon_timer;
508	struct timer_list bcn_mon_timer;
509	struct wiphy_work monitor_work;
510	struct wiphy_work beacon_connection_loss_work;
511	struct wiphy_work csa_connection_drop_work;
512
513	unsigned long beacon_timeout;
514	unsigned long probe_timeout;
515	int probe_send_count;
516	bool nullfunc_failed;
517	u8 connection_loss:1,
518	driver_disconnect:1,
519	reconnect:1,
520	associated:1;
521
522	struct ieee80211_mgd_auth_data *auth_data;
523	struct ieee80211_mgd_assoc_data *assoc_data;
524
525	unsigned long userspace_selectors[BITS_TO_LONGS(128)];
526
527	bool powersave; /* powersave requested for this iface */
528	bool broken_ap; /* AP is broken -- turn off powersave */
529
530	unsigned int flags;
531
532	u16 mcast_seq_last;
533
534	bool status_acked;
535	bool status_received;
536	__le16 status_fc;
537
538	enum {
539	IEEE80211_MFP_DISABLED,
540	IEEE80211_MFP_OPTIONAL,
541	IEEE80211_MFP_REQUIRED
542	} mfp; /* management frame protection */
543
544	/*
545	* Bitmask of enabled u-apsd queues,
546	* IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association
547	* to take effect.
548	*/
549	unsigned int uapsd_queues;
550
551	/*
552	* Maximum number of buffered frames AP can deliver during a
553	* service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar.
554	* Needs a new association to take effect.
555	*/
556	unsigned int uapsd_max_sp_len;
557
558	u8 use_4addr;
559
560	/*
561	* State variables for keeping track of RSSI of the AP currently
562	* connected to and informing driver when RSSI has gone
563	* below/above a certain threshold.
564	*/
565	int rssi_min_thold, rssi_max_thold;
566
567	struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */
568	struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */
569	struct ieee80211_vht_cap vht_capa; /* configured VHT overrides */
570	struct ieee80211_vht_cap vht_capa_mask; /* Valid parts of vht_capa */
571	struct ieee80211_s1g_cap s1g_capa; /* configured S1G overrides */
572	struct ieee80211_s1g_cap s1g_capa_mask; /* valid s1g_capa bits */
573
574	/* TDLS support */
575	u8 tdls_peer[ETH_ALEN] __aligned(2);
576	struct wiphy_delayed_work tdls_peer_del_work;
577	struct sk_buff *orig_teardown_skb; /* The original teardown skb */
578	struct sk_buff *teardown_skb; /* A copy to send through the AP */
579	spinlock_t teardown_lock; /* To lock changing teardown_skb */
580	bool tdls_wider_bw_prohibited;
581
582	/* WMM-AC TSPEC support */
583	struct ieee80211_sta_tx_tspec tx_tspec[IEEE80211_NUM_ACS];
584	/* Use a separate work struct so that we can do something here
585	* while the sdata->work is flushing the queues, for example.
586	* otherwise, in scenarios where we hardly get any traffic out
587	* on the BE queue, but there's a lot of VO traffic, we might
588	* get stuck in a downgraded situation and flush takes forever.
589	*/
590	struct wiphy_delayed_work tx_tspec_wk;
591
592	/* Information elements from the last transmitted (Re)Association
593	* Request frame.
594	*/
595	u8 *assoc_req_ies;
596	size_t assoc_req_ies_len;
597
598	struct wiphy_delayed_work ml_reconf_work;
599	u16 removed_links;
600
601	/* TID-to-link mapping support */
602	struct wiphy_delayed_work ttlm_work;
603	struct ieee80211_adv_ttlm_info ttlm_info;
604	struct wiphy_work teardown_ttlm_work;
605
606	/* dialog token enumerator for neg TTLM request */
607	u8 dialog_token_alloc;
608	struct wiphy_delayed_work neg_ttlm_timeout_work;
609
610	/* Locally initiated multi-link reconfiguration */
611	struct {
612	struct ieee80211_mgd_assoc_data *add_links_data;
613	struct wiphy_delayed_work wk;
614	u16 removed_links;
615	u16 added_links;
616	u8 dialog_token;
617	} reconf;
618
619	/* Support for epcs */
620	struct {
621	bool enabled;
622	u8 dialog_token;
623	} epcs;
624	};
625
626	struct ieee80211_if_ibss {
627	struct timer_list timer;
628	struct wiphy_work csa_connection_drop_work;
629
630	unsigned long last_scan_completed;
631
632	u32 basic_rates;
633
634	bool fixed_bssid;
635	bool fixed_channel;
636	bool privacy;
637
638	bool control_port;
639	bool userspace_handles_dfs;
640
641	u8 bssid[ETH_ALEN] __aligned(2);
642	u8 ssid[IEEE80211_MAX_SSID_LEN];
643	u8 ssid_len, ie_len;
644	u8 *ie;
645	struct cfg80211_chan_def chandef;
646
647	unsigned long ibss_join_req;
648	/* probe response/beacon for IBSS */
649	struct beacon_data __rcu *presp;
650
651	struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */
652	struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */
653
654	spinlock_t incomplete_lock;
655	struct list_head incomplete_stations;
656
657	enum {
658	IEEE80211_IBSS_MLME_SEARCH,
659	IEEE80211_IBSS_MLME_JOINED,
660	} state;
661	};
662
663	/**
664	* struct ieee80211_if_ocb - OCB mode state
665	*
666	* @housekeeping_timer: timer for periodic invocation of a housekeeping task
667	* @wrkq_flags: OCB deferred task action
668	* @incomplete_lock: delayed STA insertion lock
669	* @incomplete_stations: list of STAs waiting for delayed insertion
670	* @joined: indication if the interface is connected to an OCB network
671	*/
672	struct ieee80211_if_ocb {
673	struct timer_list housekeeping_timer;
674	unsigned long wrkq_flags;
675
676	spinlock_t incomplete_lock;
677	struct list_head incomplete_stations;
678
679	bool joined;
680	};
681
682	/**
683	* struct ieee80211_mesh_sync_ops - Extensible synchronization framework interface
684	*
685	* these declarations define the interface, which enables
686	* vendor-specific mesh synchronization
687	*
688	* @rx_bcn_presp: beacon/probe response was received
689	* @adjust_tsf: TSF adjustment method
690	*/
691	struct ieee80211_mesh_sync_ops {
692	void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata, u16 stype,
693	struct ieee80211_mgmt *mgmt, unsigned int len,
694	const struct ieee80211_meshconf_ie *mesh_cfg,
695	struct ieee80211_rx_status *rx_status);
696
697	/* should be called with beacon_data under RCU read lock */
698	void (*adjust_tsf)(struct ieee80211_sub_if_data *sdata,
699	struct beacon_data *beacon);
700	/* add other framework functions here */
701	};
702
703	struct mesh_csa_settings {
704	struct rcu_head rcu_head;
705	struct cfg80211_csa_settings settings;
706	};
707
708	/**
709	* struct mesh_table - mesh hash table
710	*
711	* @known_gates: list of known mesh gates and their mpaths by the station. The
712	* gate's mpath may or may not be resolved and active.
713	* @gates_lock: protects updates to known_gates
714	* @rhead: the rhashtable containing struct mesh_paths, keyed by dest addr
715	* @walk_head: linked list containing all mesh_path objects
716	* @walk_lock: lock protecting walk_head
717	* @entries: number of entries in the table
718	*/
719	struct mesh_table {
720	struct hlist_head known_gates;
721	spinlock_t gates_lock;
722	struct rhashtable rhead;
723	struct hlist_head walk_head;
724	spinlock_t walk_lock;
725	atomic_t entries; /* Up to MAX_MESH_NEIGHBOURS */
726	};
727
728	/**
729	* struct mesh_tx_cache - mesh fast xmit header cache
730	*
731	* @rht: hash table containing struct ieee80211_mesh_fast_tx, using skb DA as key
732	* @walk_head: linked list containing all ieee80211_mesh_fast_tx objects
733	* @walk_lock: lock protecting walk_head and rht
734	*/
735	struct mesh_tx_cache {
736	struct rhashtable rht;
737	struct hlist_head walk_head;
738	spinlock_t walk_lock;
739	};
740
741	struct ieee80211_if_mesh {
742	struct timer_list housekeeping_timer;
743	struct timer_list mesh_path_timer;
744	struct timer_list mesh_path_root_timer;
745
746	unsigned long wrkq_flags;
747	unsigned long mbss_changed[64 / BITS_PER_LONG];
748
749	bool userspace_handles_dfs;
750
751	u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN];
752	size_t mesh_id_len;
753	/* Active Path Selection Protocol Identifier */
754	u8 mesh_pp_id;
755	/* Active Path Selection Metric Identifier */
756	u8 mesh_pm_id;
757	/* Congestion Control Mode Identifier */
758	u8 mesh_cc_id;
759	/* Synchronization Protocol Identifier */
760	u8 mesh_sp_id;
761	/* Authentication Protocol Identifier */
762	u8 mesh_auth_id;
763	/* Local mesh Sequence Number */
764	u32 sn;
765	/* Last used PREQ ID */
766	u32 preq_id;
767	atomic_t mpaths;
768	/* Timestamp of last SN update */
769	unsigned long last_sn_update;
770	/* Time when it's ok to send next PERR */
771	unsigned long next_perr;
772	/* Timestamp of last PREQ sent */
773	unsigned long last_preq;
774	struct mesh_rmc *rmc;
775	spinlock_t mesh_preq_queue_lock;
776	struct mesh_preq_queue preq_queue;
777	int preq_queue_len;
778	struct mesh_stats mshstats;
779	struct mesh_config mshcfg;
780	atomic_t estab_plinks;
781	atomic_t mesh_seqnum;
782	bool accepting_plinks;
783	int num_gates;
784	struct beacon_data __rcu *beacon;
785	const u8 *ie;
786	u8 ie_len;
787	enum {
788	IEEE80211_MESH_SEC_NONE = 0x0,
789	IEEE80211_MESH_SEC_AUTHED = 0x1,
790	IEEE80211_MESH_SEC_SECURED = 0x2,
791	} security;
792	bool user_mpm;
793	/* Extensible Synchronization Framework */
794	const struct ieee80211_mesh_sync_ops *sync_ops;
795	s64 sync_offset_clockdrift_max;
796	spinlock_t sync_offset_lock;
797	/* mesh power save */
798	enum nl80211_mesh_power_mode nonpeer_pm;
799	int ps_peers_light_sleep;
800	int ps_peers_deep_sleep;
801	struct ps_data ps;
802	/* Channel Switching Support */
803	struct mesh_csa_settings __rcu *csa;
804	enum {
805	IEEE80211_MESH_CSA_ROLE_NONE,
806	IEEE80211_MESH_CSA_ROLE_INIT,
807	IEEE80211_MESH_CSA_ROLE_REPEATER,
808	} csa_role;
809	u8 chsw_ttl;
810	u16 pre_value;
811
812	/* offset from skb->data while building IE */
813	int meshconf_offset;
814
815	struct mesh_table mesh_paths;
816	struct mesh_table mpp_paths; /* Store paths for MPP&MAP */
817	int mesh_paths_generation;
818	int mpp_paths_generation;
819	struct mesh_tx_cache tx_cache;
820	};
821
822	#ifdef CONFIG_MAC80211_MESH
823	#define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \
824	do { (msh)->mshstats.name++; } while (0)
825	#else
826	#define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \
827	do { } while (0)
828	#endif
829
830	/**
831	* enum ieee80211_sub_if_data_flags - virtual interface flags
832	*
833	* @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets
834	* @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between
835	* associated stations and deliver multicast frames both
836	* back to wireless media and to the local net stack.
837	* @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume.
838	* @IEEE80211_SDATA_IN_DRIVER: indicates interface was added to driver
839	* @IEEE80211_SDATA_DISCONNECT_HW_RESTART: Disconnect after hardware restart
840	* recovery
841	*/
842	enum ieee80211_sub_if_data_flags {
843	IEEE80211_SDATA_ALLMULTI = BIT(0),
844	IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3),
845	IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4),
846	IEEE80211_SDATA_IN_DRIVER = BIT(5),
847	IEEE80211_SDATA_DISCONNECT_HW_RESTART = BIT(6),
848	};
849
850	/**
851	* enum ieee80211_sdata_state_bits - virtual interface state bits
852	* @SDATA_STATE_RUNNING: virtual interface is up & running; this
853	* mirrors netif_running() but is separate for interface type
854	* change handling while the interface is up
855	* @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel
856	* mode, so queues are stopped
857	* @SDATA_STATE_OFFCHANNEL_BEACON_STOPPED: Beaconing was stopped due
858	* to offchannel, reset when offchannel returns
859	*/
860	enum ieee80211_sdata_state_bits {
861	SDATA_STATE_RUNNING,
862	SDATA_STATE_OFFCHANNEL,
863	SDATA_STATE_OFFCHANNEL_BEACON_STOPPED,
864	};
865
866	/**
867	* enum ieee80211_chanctx_mode - channel context configuration mode
868	*
869	* @IEEE80211_CHANCTX_SHARED: channel context may be used by
870	* multiple interfaces
871	* @IEEE80211_CHANCTX_EXCLUSIVE: channel context can be used
872	* only by a single interface. This can be used for example for
873	* non-fixed channel IBSS.
874	*/
875	enum ieee80211_chanctx_mode {
876	IEEE80211_CHANCTX_SHARED,
877	IEEE80211_CHANCTX_EXCLUSIVE
878	};
879
880	/**
881	* enum ieee80211_chanctx_replace_state - channel context replacement state
882	*
883	* This is used for channel context in-place reservations that require channel
884	* context switch/swap.
885	*
886	* @IEEE80211_CHANCTX_REPLACE_NONE: no replacement is taking place
887	* @IEEE80211_CHANCTX_WILL_BE_REPLACED: this channel context will be replaced
888	* by a (not yet registered) channel context pointed by %replace_ctx.
889	* @IEEE80211_CHANCTX_REPLACES_OTHER: this (not yet registered) channel context
890	* replaces an existing channel context pointed to by %replace_ctx.
891	*/
892	enum ieee80211_chanctx_replace_state {
893	IEEE80211_CHANCTX_REPLACE_NONE,
894	IEEE80211_CHANCTX_WILL_BE_REPLACED,
895	IEEE80211_CHANCTX_REPLACES_OTHER,
896	};
897
898	struct ieee80211_chanctx {
899	struct list_head list;
900	struct rcu_head rcu_head;
901
902	struct list_head assigned_links;
903	struct list_head reserved_links;
904
905	enum ieee80211_chanctx_replace_state replace_state;
906	struct ieee80211_chanctx *replace_ctx;
907
908	enum ieee80211_chanctx_mode mode;
909	bool driver_present;
910
911	/* temporary data for search algorithm etc. */
912	struct ieee80211_chan_req req;
913
914	bool radar_detected;
915
916	/* MUST be last - ends in a flexible-array member. */
917	struct ieee80211_chanctx_conf conf;
918	};
919
920	struct mac80211_qos_map {
921	struct cfg80211_qos_map qos_map;
922	struct rcu_head rcu_head;
923	};
924
925	enum txq_info_flags {
926	IEEE80211_TXQ_STOP,
927	IEEE80211_TXQ_AMPDU,
928	IEEE80211_TXQ_NO_AMSDU,
929	IEEE80211_TXQ_DIRTY,
930	};
931
932	/**
933	* struct txq_info - per tid queue
934	*
935	* @tin: contains packets split into multiple flows
936	* @def_cvars: codel vars for the @tin's default_flow
937	* @cstats: code statistics for this queue
938	* @frags: used to keep fragments created after dequeue
939	* @schedule_order: used with ieee80211_local->active_txqs
940	* @schedule_round: counter to prevent infinite loops on TXQ scheduling
941	* @flags: TXQ flags from &enum txq_info_flags
942	* @txq: the driver visible part
943	*/
944	struct txq_info {
945	struct fq_tin tin;
946	struct codel_vars def_cvars;
947	struct codel_stats cstats;
948
949	u16 schedule_round;
950	struct list_head schedule_order;
951
952	struct sk_buff_head frags;
953
954	unsigned long flags;
955
956	/* keep last! */
957	struct ieee80211_txq txq;
958	};
959
960	struct ieee80211_if_mntr {
961	u32 flags;
962	u8 mu_follow_addr[ETH_ALEN] __aligned(2);
963
964	struct list_head list;
965	};
966
967	/**
968	* struct ieee80211_if_nan - NAN state
969	*
970	* @conf: current NAN configuration
971	* @func_lock: lock for @func_inst_ids
972	* @function_inst_ids: a bitmap of available instance_id's
973	*/
974	struct ieee80211_if_nan {
975	struct cfg80211_nan_conf conf;
976
977	/* protects function_inst_ids */
978	spinlock_t func_lock;
979	struct idr function_inst_ids;
980	};
981
982	struct ieee80211_link_data_managed {
983	u8 bssid[ETH_ALEN] __aligned(2);
984
985	u8 dtim_period;
986	enum ieee80211_smps_mode req_smps, /* requested smps mode */
987	driver_smps_mode; /* smps mode request */
988
989	struct ieee80211_conn_settings conn;
990
991	s16 p2p_noa_index;
992
993	bool tdls_chan_switch_prohibited;
994
995	bool have_beacon;
996	bool tracking_signal_avg;
997	bool disable_wmm_tracking;
998	bool operating_11g_mode;
999
1000	struct {
1001	struct wiphy_delayed_work switch_work;
1002	struct cfg80211_chan_def ap_chandef;
1003	struct ieee80211_parsed_tpe tpe;
1004	unsigned long time;
1005	bool waiting_bcn;
1006	bool ignored_same_chan;
1007	bool blocked_tx;
1008	} csa;
1009
1010	struct wiphy_work request_smps_work;
1011	/* used to reconfigure hardware SM PS */
1012	struct wiphy_work recalc_smps;
1013
1014	bool beacon_crc_valid;
1015	u32 beacon_crc;
1016	struct ewma_beacon_signal ave_beacon_signal;
1017	int last_ave_beacon_signal;
1018
1019	/*
1020	* Number of Beacon frames used in ave_beacon_signal. This can be used
1021	* to avoid generating less reliable cqm events that would be based
1022	* only on couple of received frames.
1023	*/
1024	unsigned int count_beacon_signal;
1025
1026	/* Number of times beacon loss was invoked. */
1027	unsigned int beacon_loss_count;
1028
1029	/*
1030	* Last Beacon frame signal strength average (ave_beacon_signal / 16)
1031	* that triggered a cqm event. 0 indicates that no event has been
1032	* generated for the current association.
1033	*/
1034	int last_cqm_event_signal;
1035
1036	int wmm_last_param_set;
1037	int mu_edca_last_param_set;
1038	};
1039
1040	struct ieee80211_link_data_ap {
1041	struct beacon_data __rcu *beacon;
1042	struct probe_resp __rcu *probe_resp;
1043	struct fils_discovery_data __rcu *fils_discovery;
1044	struct unsol_bcast_probe_resp_data __rcu *unsol_bcast_probe_resp;
1045
1046	/* to be used after channel switch. */
1047	struct cfg80211_beacon_data *next_beacon;
1048	};
1049
1050	struct ieee80211_link_data {
1051	struct ieee80211_sub_if_data *sdata;
1052	unsigned int link_id;
1053
1054	struct list_head assigned_chanctx_list; /* protected by wiphy mutex */
1055	struct list_head reserved_chanctx_list; /* protected by wiphy mutex */
1056
1057	/* multicast keys only */
1058	struct ieee80211_key __rcu *gtk[NUM_DEFAULT_KEYS +
1059	NUM_DEFAULT_MGMT_KEYS +
1060	NUM_DEFAULT_BEACON_KEYS];
1061	struct ieee80211_key __rcu *default_multicast_key;
1062	struct ieee80211_key __rcu *default_mgmt_key;
1063	struct ieee80211_key __rcu *default_beacon_key;
1064
1065
1066	bool operating_11g_mode;
1067
1068	struct {
1069	struct wiphy_work finalize_work;
1070	struct ieee80211_chan_req chanreq;
1071	} csa;
1072
1073	struct wiphy_work color_change_finalize_work;
1074	struct wiphy_delayed_work color_collision_detect_work;
1075	u64 color_bitmap;
1076
1077	/* context reservation -- protected with wiphy mutex */
1078	struct ieee80211_chanctx *reserved_chanctx;
1079	struct ieee80211_chan_req reserved;
1080	bool reserved_radar_required;
1081	bool reserved_ready;
1082
1083	u8 needed_rx_chains;
1084	enum ieee80211_smps_mode smps_mode;
1085
1086	int user_power_level; /* in dBm */
1087	int ap_power_level; /* in dBm */
1088
1089	bool radar_required;
1090	struct wiphy_delayed_work dfs_cac_timer_work;
1091
1092	union {
1093	struct ieee80211_link_data_managed mgd;
1094	struct ieee80211_link_data_ap ap;
1095	} u;
1096
1097	struct ieee80211_tx_queue_params tx_conf[IEEE80211_NUM_ACS];
1098
1099	struct ieee80211_bss_conf *conf;
1100
1101	#ifdef CONFIG_MAC80211_DEBUGFS
1102	struct dentry *debugfs_dir;
1103	#endif
1104	};
1105
1106	struct ieee80211_sub_if_data {
1107	struct list_head list;
1108
1109	struct wireless_dev wdev;
1110
1111	/* keys */
1112	struct list_head key_list;
1113
1114	/* count for keys needing tailroom space allocation */
1115	int crypto_tx_tailroom_needed_cnt;
1116	int crypto_tx_tailroom_pending_dec;
1117	struct wiphy_delayed_work dec_tailroom_needed_wk;
1118
1119	struct net_device *dev;
1120	struct ieee80211_local *local;
1121
1122	unsigned int flags;
1123
1124	unsigned long state;
1125
1126	char name[IFNAMSIZ];
1127
1128	struct ieee80211_fragment_cache frags;
1129
1130	/* TID bitmap for NoAck policy */
1131	u16 noack_map;
1132
1133	/* bit field of ACM bits (BIT(802.1D tag)) */
1134	u8 wmm_acm;
1135
1136	struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS];
1137	struct ieee80211_key __rcu *default_unicast_key;
1138
1139	u16 sequence_number;
1140	u16 mld_mcast_seq;
1141	__be16 control_port_protocol;
1142	bool control_port_no_encrypt;
1143	bool control_port_no_preauth;
1144	bool control_port_over_nl80211;
1145
1146	atomic_t num_tx_queued;
1147	struct mac80211_qos_map __rcu *qos_map;
1148
1149	struct wiphy_work work;
1150	struct sk_buff_head skb_queue;
1151	struct sk_buff_head status_queue;
1152
1153	/*
1154	* AP this belongs to: self in AP mode and
1155	* corresponding AP in VLAN mode, NULL for
1156	* all others (might be needed later in IBSS)
1157	*/
1158	struct ieee80211_if_ap *bss;
1159
1160	/* bitmap of allowed (non-MCS) rate indexes for rate control */
1161	u32 rc_rateidx_mask[NUM_NL80211_BANDS];
1162
1163	bool rc_has_mcs_mask[NUM_NL80211_BANDS];
1164	u8 rc_rateidx_mcs_mask[NUM_NL80211_BANDS][IEEE80211_HT_MCS_MASK_LEN];
1165
1166	bool rc_has_vht_mcs_mask[NUM_NL80211_BANDS];
1167	u16 rc_rateidx_vht_mcs_mask[NUM_NL80211_BANDS][NL80211_VHT_NSS_MAX];
1168
1169	/* Beacon frame (non-MCS) rate (as a bitmap) */
1170	u32 beacon_rateidx_mask[NUM_NL80211_BANDS];
1171	bool beacon_rate_set;
1172
1173	union {
1174	struct ieee80211_if_ap ap;
1175	struct ieee80211_if_vlan vlan;
1176	struct ieee80211_if_managed mgd;
1177	struct ieee80211_if_ibss ibss;
1178	struct ieee80211_if_mesh mesh;
1179	struct ieee80211_if_ocb ocb;
1180	struct ieee80211_if_mntr mntr;
1181	struct ieee80211_if_nan nan;
1182	} u;
1183
1184	struct ieee80211_link_data deflink;
1185	struct ieee80211_link_data __rcu *link[IEEE80211_MLD_MAX_NUM_LINKS];
1186
1187	/* for ieee80211_set_active_links_async() */
1188	struct wiphy_work activate_links_work;
1189	u16 desired_active_links;
1190
1191	u16 restart_active_links;
1192
1193	#ifdef CONFIG_MAC80211_DEBUGFS
1194	struct {
1195	struct dentry *subdir_stations;
1196	struct dentry *default_unicast_key;
1197	struct dentry *default_multicast_key;
1198	struct dentry *default_mgmt_key;
1199	struct dentry *default_beacon_key;
1200	} debugfs;
1201	#endif
1202
1203	/* must be last, dynamically sized area in this! */
1204	struct ieee80211_vif vif;
1205	};
1206
1207	static inline
1208	struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p)
1209	{
1210	return container_of(p, struct ieee80211_sub_if_data, vif);
1211	}
1212
1213	#define sdata_dereference(p, sdata) \
1214	wiphy_dereference(sdata->local->hw.wiphy, p)
1215
1216	#define for_each_sdata_link(_local, _link) \
1217	/* outer loop just to define the variables ... */ \
1218	for (struct ieee80211_sub_if_data *___sdata = NULL; \
1219	!___sdata; \
1220	___sdata = (void *)~0 /* always stop */) \
1221	list_for_each_entry(___sdata, &(_local)->interfaces, list) \
1222	if (ieee80211_sdata_running(___sdata)) \
1223	for (int ___link_id = 0; \
1224	___link_id < ARRAY_SIZE(___sdata->link); \
1225	___link_id++) \
1226	if ((_link = wiphy_dereference((_local)->hw.wiphy, \
1227	___sdata->link[___link_id])))
1228
1229	#define for_each_link_data(sdata, __link) \
1230	struct ieee80211_sub_if_data *__sdata = sdata; \
1231	for (int __link_id = 0; \
1232	__link_id < ARRAY_SIZE((__sdata)->link); __link_id++) \
1233	if ((!(__sdata)->vif.valid_links || \
1234	(__sdata)->vif.valid_links & BIT(__link_id)) && \
1235	((__link) = sdata_dereference((__sdata)->link[__link_id], \
1236	(__sdata))))
1237
1238	static inline int
1239	ieee80211_get_mbssid_beacon_len(struct cfg80211_mbssid_elems *elems,
1240	struct cfg80211_rnr_elems *rnr_elems,
1241	u8 i)
1242	{
1243	int len = 0;
1244
1245	if (!elems || !elems->cnt || i > elems->cnt)
1246	return 0;
1247
1248	if (i < elems->cnt) {
1249	len = elems->elem[i].len;
1250	if (rnr_elems) {
1251	len += rnr_elems->elem[i].len;
1252	for (i = elems->cnt; i < rnr_elems->cnt; i++)
1253	len += rnr_elems->elem[i].len;
1254	}
1255	return len;
1256	}
1257
1258	/* i == elems->cnt, calculate total length of all MBSSID elements */
1259	for (i = 0; i < elems->cnt; i++)
1260	len += elems->elem[i].len;
1261
1262	if (rnr_elems) {
1263	for (i = 0; i < rnr_elems->cnt; i++)
1264	len += rnr_elems->elem[i].len;
1265	}
1266
1267	return len;
1268	}
1269
1270	enum {
1271	IEEE80211_RX_MSG = 1,
1272	IEEE80211_TX_STATUS_MSG = 2,
1273	};
1274
1275	enum queue_stop_reason {
1276	IEEE80211_QUEUE_STOP_REASON_DRIVER,
1277	IEEE80211_QUEUE_STOP_REASON_PS,
1278	IEEE80211_QUEUE_STOP_REASON_CSA,
1279	IEEE80211_QUEUE_STOP_REASON_AGGREGATION,
1280	IEEE80211_QUEUE_STOP_REASON_SUSPEND,
1281	IEEE80211_QUEUE_STOP_REASON_SKB_ADD,
1282	IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL,
1283	IEEE80211_QUEUE_STOP_REASON_FLUSH,
1284	IEEE80211_QUEUE_STOP_REASON_TDLS_TEARDOWN,
1285	IEEE80211_QUEUE_STOP_REASON_RESERVE_TID,
1286	IEEE80211_QUEUE_STOP_REASON_IFTYPE_CHANGE,
1287
1288	IEEE80211_QUEUE_STOP_REASONS,
1289	};
1290
1291	#ifdef CONFIG_MAC80211_LEDS
1292	struct tpt_led_trigger {
1293	char name[32];
1294	const struct ieee80211_tpt_blink *blink_table;
1295	unsigned int blink_table_len;
1296	struct timer_list timer;
1297	struct ieee80211_local *local;
1298	unsigned long prev_traffic;
1299	unsigned long tx_bytes, rx_bytes;
1300	unsigned int active, want;
1301	bool running;
1302	};
1303	#endif
1304
1305	/**
1306	* enum mac80211_scan_flags - currently active scan mode
1307	*
1308	* @SCAN_SW_SCANNING: We're currently in the process of scanning but may as
1309	* well be on the operating channel
1310	* @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to
1311	* determine if we are on the operating channel or not
1312	* @SCAN_ONCHANNEL_SCANNING: Do a software scan on only the current operating
1313	* channel. This should not interrupt normal traffic.
1314	* @SCAN_COMPLETED: Set for our scan work function when the driver reported
1315	* that the scan completed.
1316	* @SCAN_ABORTED: Set for our scan work function when the driver reported
1317	* a scan complete for an aborted scan.
1318	* @SCAN_HW_CANCELLED: Set for our scan work function when the scan is being
1319	* cancelled.
1320	* @SCAN_BEACON_WAIT: Set whenever we're passive scanning because of radar/no-IR
1321	* and could send a probe request after receiving a beacon.
1322	* @SCAN_BEACON_DONE: Beacon received, we can now send a probe request
1323	*/
1324	enum mac80211_scan_flags {
1325	SCAN_SW_SCANNING,
1326	SCAN_HW_SCANNING,
1327	SCAN_ONCHANNEL_SCANNING,
1328	SCAN_COMPLETED,
1329	SCAN_ABORTED,
1330	SCAN_HW_CANCELLED,
1331	SCAN_BEACON_WAIT,
1332	SCAN_BEACON_DONE,
1333	};
1334
1335	/**
1336	* enum mac80211_scan_state - scan state machine states
1337	*
1338	* @SCAN_DECISION: Main entry point to the scan state machine, this state
1339	* determines if we should keep on scanning or switch back to the
1340	* operating channel
1341	* @SCAN_SET_CHANNEL: Set the next channel to be scanned
1342	* @SCAN_SEND_PROBE: Send probe requests and wait for probe responses
1343	* @SCAN_SUSPEND: Suspend the scan and go back to operating channel to
1344	* send out data
1345	* @SCAN_RESUME: Resume the scan and scan the next channel
1346	* @SCAN_ABORT: Abort the scan and go back to operating channel
1347	*/
1348	enum mac80211_scan_state {
1349	SCAN_DECISION,
1350	SCAN_SET_CHANNEL,
1351	SCAN_SEND_PROBE,
1352	SCAN_SUSPEND,
1353	SCAN_RESUME,
1354	SCAN_ABORT,
1355	};
1356
1357	DECLARE_STATIC_KEY_FALSE(aql_disable);
1358
1359	struct ieee80211_local {
1360	/* embed the driver visible part.
1361	* don't cast (use the static inlines below), but we keep
1362	* it first anyway so they become a no-op */
1363	struct ieee80211_hw hw;
1364
1365	struct fq fq;
1366	struct codel_vars *cvars;
1367	struct codel_params cparams;
1368
1369	/* protects active_txqs and txqi->schedule_order */
1370	spinlock_t active_txq_lock[IEEE80211_NUM_ACS];
1371	struct list_head active_txqs[IEEE80211_NUM_ACS];
1372	u16 schedule_round[IEEE80211_NUM_ACS];
1373
1374	/* serializes ieee80211_handle_wake_tx_queue */
1375	spinlock_t handle_wake_tx_queue_lock;
1376
1377	u16 airtime_flags;
1378	u32 aql_txq_limit_low[IEEE80211_NUM_ACS];
1379	u32 aql_txq_limit_high[IEEE80211_NUM_ACS];
1380	u32 aql_threshold;
1381	atomic_t aql_total_pending_airtime;
1382	atomic_t aql_ac_pending_airtime[IEEE80211_NUM_ACS];
1383
1384	const struct ieee80211_ops *ops;
1385
1386	/*
1387	* private workqueue to mac80211. mac80211 makes this accessible
1388	* via ieee80211_queue_work()
1389	*/
1390	struct workqueue_struct *workqueue;
1391
1392	unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES];
1393	int q_stop_reasons[IEEE80211_MAX_QUEUES][IEEE80211_QUEUE_STOP_REASONS];
1394	/* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */
1395	spinlock_t queue_stop_reason_lock;
1396
1397	int open_count;
1398	int monitors, virt_monitors, tx_mntrs;
1399	/* number of interfaces with corresponding FIF_ flags */
1400	int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll,
1401	fif_probe_req;
1402	bool probe_req_reg;
1403	bool rx_mcast_action_reg;
1404	unsigned int filter_flags; /* FIF_* */
1405
1406	bool wiphy_ciphers_allocated;
1407
1408	struct cfg80211_chan_def dflt_chandef;
1409	bool emulate_chanctx;
1410
1411	/* protects the aggregated multicast list and filter calls */
1412	spinlock_t filter_lock;
1413
1414	/* used for uploading changed mc list */
1415	struct wiphy_work reconfig_filter;
1416
1417	/* aggregated multicast list */
1418	struct netdev_hw_addr_list mc_list;
1419
1420	bool tim_in_locked_section; /* see ieee80211_beacon_get() */
1421
1422	/*
1423	* suspended is true if we finished all the suspend _and_ we have
1424	* not yet come up from resume. This is to be used by mac80211
1425	* to ensure driver sanity during suspend and mac80211's own
1426	* sanity. It can eventually be used for WoW as well.
1427	*/
1428	bool suspended;
1429
1430	/* suspending is true during the whole suspend process */
1431	bool suspending;
1432
1433	/*
1434	* Resuming is true while suspended, but when we're reprogramming the
1435	* hardware -- at that time it's allowed to use ieee80211_queue_work()
1436	* again even though some other parts of the stack are still suspended
1437	* and we still drop received frames to avoid waking the stack.
1438	*/
1439	bool resuming;
1440
1441	/*
1442	* quiescing is true during the suspend process _only_ to
1443	* ease timer cancelling etc.
1444	*/
1445	bool quiescing;
1446
1447	/* device is started */
1448	bool started;
1449
1450	/* device is during a HW reconfig */
1451	bool in_reconfig;
1452
1453	/* reconfiguration failed ... suppress some warnings etc. */
1454	bool reconfig_failure;
1455
1456	/* wowlan is enabled -- don't reconfig on resume */
1457	bool wowlan;
1458
1459	struct wiphy_work radar_detected_work;
1460
1461	/* number of RX chains the hardware has */
1462	u8 rx_chains;
1463
1464	/* bitmap of which sbands were copied */
1465	u8 sband_allocated;
1466
1467	int tx_headroom; /* required headroom for hardware/radiotap */
1468
1469	/* Tasklet and skb queue to process calls from IRQ mode. All frames
1470	* added to skb_queue will be processed, but frames in
1471	* skb_queue_unreliable may be dropped if the total length of these
1472	* queues increases over the limit. */
1473	#define IEEE80211_IRQSAFE_QUEUE_LIMIT 128
1474	struct tasklet_struct tasklet;
1475	struct sk_buff_head skb_queue;
1476	struct sk_buff_head skb_queue_unreliable;
1477
1478	spinlock_t rx_path_lock;
1479
1480	/* Station data */
1481	/*
1482	* The list, hash table and counter are protected
1483	* by the wiphy mutex, reads are done with RCU.
1484	*/
1485	spinlock_t tim_lock;
1486	unsigned long num_sta;
1487	struct list_head sta_list;
1488	struct rhltable sta_hash;
1489	struct rhltable link_sta_hash;
1490	struct timer_list sta_cleanup;
1491	int sta_generation;
1492
1493	struct sk_buff_head pending[IEEE80211_MAX_QUEUES];
1494	struct tasklet_struct tx_pending_tasklet;
1495	struct tasklet_struct wake_txqs_tasklet;
1496
1497	atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES];
1498
1499	/* number of interfaces with allmulti RX */
1500	atomic_t iff_allmultis;
1501
1502	struct rate_control_ref *rate_ctrl;
1503
1504	struct arc4_ctx wep_tx_ctx;
1505	struct arc4_ctx wep_rx_ctx;
1506	u32 wep_iv;
1507
1508	/* see iface.c */
1509	struct list_head interfaces;
1510	struct list_head mon_list; /* only that are IFF_UP */
1511	struct mutex iflist_mtx;
1512
1513	/* Scanning and BSS list */
1514	unsigned long scanning;
1515	struct cfg80211_ssid scan_ssid;
1516	struct cfg80211_scan_request *int_scan_req;
1517	struct cfg80211_scan_request __rcu *scan_req;
1518	struct ieee80211_scan_request *hw_scan_req;
1519	struct cfg80211_chan_def scan_chandef;
1520	enum nl80211_band hw_scan_band;
1521	int scan_channel_idx;
1522	int scan_ies_len;
1523	int hw_scan_ies_bufsize;
1524	struct cfg80211_scan_info scan_info;
1525
1526	struct wiphy_work sched_scan_stopped_work;
1527	struct ieee80211_sub_if_data __rcu *sched_scan_sdata;
1528	struct cfg80211_sched_scan_request __rcu *sched_scan_req;
1529	u8 scan_addr[ETH_ALEN];
1530
1531	unsigned long leave_oper_channel_time;
1532	enum mac80211_scan_state next_scan_state;
1533	struct wiphy_delayed_work scan_work;
1534	struct ieee80211_sub_if_data __rcu *scan_sdata;
1535
1536	/* Temporary remain-on-channel for off-channel operations */
1537	struct ieee80211_channel *tmp_channel;
1538
1539	/* channel contexts */
1540	struct list_head chanctx_list;
1541
1542	#ifdef CONFIG_MAC80211_LEDS
1543	struct led_trigger tx_led, rx_led, assoc_led, radio_led;
1544	struct led_trigger tpt_led;
1545	atomic_t tx_led_active, rx_led_active, assoc_led_active;
1546	atomic_t radio_led_active, tpt_led_active;
1547	struct tpt_led_trigger *tpt_led_trigger;
1548	#endif
1549
1550	#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
1551	/* SNMP counters */
1552	/* dot11CountersTable */
1553	u32 dot11TransmittedFragmentCount;
1554	u32 dot11MulticastTransmittedFrameCount;
1555	u32 dot11FailedCount;
1556	u32 dot11RetryCount;
1557	u32 dot11MultipleRetryCount;
1558	u32 dot11FrameDuplicateCount;
1559	u32 dot11ReceivedFragmentCount;
1560	u32 dot11MulticastReceivedFrameCount;
1561	u32 dot11TransmittedFrameCount;
1562
1563	/* TX/RX handler statistics */
1564	unsigned int tx_handlers_drop;
1565	unsigned int tx_handlers_queued;
1566	unsigned int tx_handlers_drop_wep;
1567	unsigned int tx_handlers_drop_not_assoc;
1568	unsigned int tx_handlers_drop_unauth_port;
1569	unsigned int rx_handlers_drop;
1570	unsigned int rx_handlers_queued;
1571	unsigned int rx_handlers_drop_nullfunc;
1572	unsigned int rx_handlers_drop_defrag;
1573	unsigned int tx_expand_skb_head;
1574	unsigned int tx_expand_skb_head_cloned;
1575	unsigned int rx_expand_skb_head_defrag;
1576	unsigned int rx_handlers_fragments;
1577	unsigned int tx_status_drop;
1578	#define I802_DEBUG_INC(c) (c)++
1579	#else /* CONFIG_MAC80211_DEBUG_COUNTERS */
1580	#define I802_DEBUG_INC(c) do { } while (0)
1581	#endif /* CONFIG_MAC80211_DEBUG_COUNTERS */
1582
1583
1584	int total_ps_buffered; /* total number of all buffered unicast and
1585	* multicast packets for power saving stations
1586	*/
1587
1588	bool pspolling;
1589	/*
1590	* PS can only be enabled when we have exactly one managed
1591	* interface (and monitors) in PS, this then points there.
1592	*/
1593	struct ieee80211_sub_if_data *ps_sdata;
1594	struct wiphy_work dynamic_ps_enable_work;
1595	struct wiphy_work dynamic_ps_disable_work;
1596	struct timer_list dynamic_ps_timer;
1597	struct notifier_block ifa_notifier;
1598	struct notifier_block ifa6_notifier;
1599
1600	/*
1601	* The dynamic ps timeout configured from user space via WEXT -
1602	* this will override whatever chosen by mac80211 internally.
1603	*/
1604	int dynamic_ps_forced_timeout;
1605
1606	int user_power_level; /* in dBm, for all interfaces */
1607
1608	struct work_struct restart_work;
1609
1610	#ifdef CONFIG_MAC80211_DEBUGFS
1611	struct local_debugfsdentries {
1612	struct dentry *rcdir;
1613	struct dentry *keys;
1614	} debugfs;
1615	bool force_tx_status;
1616	#endif
1617
1618	/*
1619	* Remain-on-channel support
1620	*/
1621	struct wiphy_delayed_work roc_work;
1622	struct list_head roc_list;
1623	struct wiphy_work hw_roc_start, hw_roc_done;
1624	unsigned long hw_roc_start_time;
1625	u64 roc_cookie_counter;
1626
1627	struct idr ack_status_frames;
1628	spinlock_t ack_status_lock;
1629
1630	struct ieee80211_sub_if_data __rcu *p2p_sdata;
1631
1632	/* virtual monitor interface */
1633	struct ieee80211_sub_if_data __rcu *monitor_sdata;
1634	struct ieee80211_chan_req monitor_chanreq;
1635
1636	/* extended capabilities provided by mac80211 */
1637	u8 ext_capa[8];
1638
1639	bool wbrf_supported;
1640	};
1641
1642	static inline struct ieee80211_sub_if_data *
1643	IEEE80211_DEV_TO_SUB_IF(const struct net_device *dev)
1644	{
1645	return netdev_priv(dev);
1646	}
1647
1648	static inline struct ieee80211_sub_if_data *
1649	IEEE80211_WDEV_TO_SUB_IF(struct wireless_dev *wdev)
1650	{
1651	return container_of(wdev, struct ieee80211_sub_if_data, wdev);
1652	}
1653
1654	static inline struct ieee80211_supported_band *
1655	ieee80211_get_sband(struct ieee80211_sub_if_data *sdata)
1656	{
1657	struct ieee80211_local *local = sdata->local;
1658	struct ieee80211_chanctx_conf *chanctx_conf;
1659	enum nl80211_band band;
1660
1661	WARN_ON(ieee80211_vif_is_mld(&sdata->vif));
1662
1663	rcu_read_lock();
1664	chanctx_conf = rcu_dereference(sdata->vif.bss_conf.chanctx_conf);
1665
1666	if (!chanctx_conf) {
1667	rcu_read_unlock();
1668	return NULL;
1669	}
1670
1671	band = chanctx_conf->def.chan->band;
1672	rcu_read_unlock();
1673
1674	return local->hw.wiphy->bands[band];
1675	}
1676
1677	static inline struct ieee80211_supported_band *
1678	ieee80211_get_link_sband(struct ieee80211_link_data *link)
1679	{
1680	struct ieee80211_local *local = link->sdata->local;
1681	struct ieee80211_chanctx_conf *chanctx_conf;
1682	enum nl80211_band band;
1683
1684	rcu_read_lock();
1685	chanctx_conf = rcu_dereference(link->conf->chanctx_conf);
1686	if (!chanctx_conf) {
1687	rcu_read_unlock();
1688	return NULL;
1689	}
1690
1691	band = chanctx_conf->def.chan->band;
1692	rcu_read_unlock();
1693
1694	return local->hw.wiphy->bands[band];
1695	}
1696
1697	/* this struct holds the value parsing from channel switch IE */
1698	struct ieee80211_csa_ie {
1699	struct ieee80211_chan_req chanreq;
1700	u8 mode;
1701	u8 count;
1702	u8 ttl;
1703	u16 pre_value;
1704	u16 reason_code;
1705	u32 max_switch_time;
1706	};
1707
1708	enum ieee80211_elems_parse_error {
1709	IEEE80211_PARSE_ERR_INVALID_END = BIT(0),
1710	IEEE80211_PARSE_ERR_DUP_ELEM = BIT(1),
1711	IEEE80211_PARSE_ERR_BAD_ELEM_SIZE = BIT(2),
1712	IEEE80211_PARSE_ERR_UNEXPECTED_ELEM = BIT(3),
1713	IEEE80211_PARSE_ERR_DUP_NEST_ML_BASIC = BIT(4),
1714	};
1715
1716	/* Parsed Information Elements */
1717	struct ieee802_11_elems {
1718	const u8 *ie_start;
1719	size_t total_len;
1720	u32 crc;
1721
1722	/* pointers to IEs */
1723	const struct ieee80211_tdls_lnkie *lnk_id;
1724	const struct ieee80211_ch_switch_timing *ch_sw_timing;
1725	const u8 *ext_capab;
1726	const u8 *ssid;
1727	const u8 *supp_rates;
1728	const u8 *ds_params;
1729	const struct ieee80211_tim_ie *tim;
1730	const u8 *rsn;
1731	const u8 *rsnx;
1732	const u8 *erp_info;
1733	const u8 *ext_supp_rates;
1734	const u8 *wmm_info;
1735	const u8 *wmm_param;
1736	const struct ieee80211_ht_cap *ht_cap_elem;
1737	const struct ieee80211_ht_operation *ht_operation;
1738	const struct ieee80211_vht_cap *vht_cap_elem;
1739	const struct ieee80211_vht_operation *vht_operation;
1740	const struct ieee80211_meshconf_ie *mesh_config;
1741	const u8 *he_cap;
1742	const struct ieee80211_he_operation *he_operation;
1743	const struct ieee80211_he_spr *he_spr;
1744	const struct ieee80211_mu_edca_param_set *mu_edca_param_set;
1745	const struct ieee80211_he_6ghz_capa *he_6ghz_capa;
1746	const u8 *uora_element;
1747	const u8 *mesh_id;
1748	const u8 *peering;
1749	const __le16 *awake_window;
1750	const u8 *preq;
1751	const u8 *prep;
1752	const u8 *perr;
1753	const struct ieee80211_rann_ie *rann;
1754	const struct ieee80211_channel_sw_ie *ch_switch_ie;
1755	const struct ieee80211_ext_chansw_ie *ext_chansw_ie;
1756	const struct ieee80211_wide_bw_chansw_ie *wide_bw_chansw_ie;
1757	const u8 *max_channel_switch_time;
1758	const u8 *country_elem;
1759	const u8 *pwr_constr_elem;
1760	const u8 *cisco_dtpc_elem;
1761	const struct ieee80211_timeout_interval_ie *timeout_int;
1762	const u8 *opmode_notif;
1763	const struct ieee80211_sec_chan_offs_ie *sec_chan_offs;
1764	struct ieee80211_mesh_chansw_params_ie *mesh_chansw_params_ie;
1765	const struct ieee80211_bss_max_idle_period_ie *max_idle_period_ie;
1766	const struct ieee80211_multiple_bssid_configuration *mbssid_config_ie;
1767	const struct ieee80211_bssid_index *bssid_index;
1768	u8 max_bssid_indicator;
1769	u8 dtim_count;
1770	u8 dtim_period;
1771	const struct ieee80211_addba_ext_ie *addba_ext_ie;
1772	const struct ieee80211_s1g_cap *s1g_capab;
1773	const struct ieee80211_s1g_oper_ie *s1g_oper;
1774	const struct ieee80211_s1g_bcn_compat_ie *s1g_bcn_compat;
1775	const struct ieee80211_aid_response_ie *aid_resp;
1776	const struct ieee80211_eht_cap_elem *eht_cap;
1777	const struct ieee80211_eht_operation *eht_operation;
1778	const struct ieee80211_multi_link_elem *ml_basic;
1779	const struct ieee80211_multi_link_elem *ml_reconf;
1780	const struct ieee80211_multi_link_elem *ml_epcs;
1781	const struct ieee80211_bandwidth_indication *bandwidth_indication;
1782	const struct ieee80211_ttlm_elem *ttlm[IEEE80211_TTLM_MAX_CNT];
1783
1784	/* not the order in the psd values is per element, not per chandef */
1785	struct ieee80211_parsed_tpe tpe;
1786	struct ieee80211_parsed_tpe csa_tpe;
1787
1788	/* length of them, respectively */
1789	u8 ext_capab_len;
1790	u8 ssid_len;
1791	u8 supp_rates_len;
1792	u8 tim_len;
1793	u8 rsn_len;
1794	u8 rsnx_len;
1795	u8 ext_supp_rates_len;
1796	u8 wmm_info_len;
1797	u8 wmm_param_len;
1798	u8 he_cap_len;
1799	u8 mesh_id_len;
1800	u8 peering_len;
1801	u8 preq_len;
1802	u8 prep_len;
1803	u8 perr_len;
1804	u8 country_elem_len;
1805	u8 bssid_index_len;
1806	u8 eht_cap_len;
1807
1808	/* mult-link element can be de-fragmented and thus u8 is not sufficient */
1809	size_t ml_basic_len;
1810	size_t ml_reconf_len;
1811	size_t ml_epcs_len;
1812
1813	u8 ttlm_num;
1814
1815	/*
1816	* store the per station profile pointer and length in case that the
1817	* parsing also handled Multi-Link element parsing for a specific link
1818	* ID.
1819	*/
1820	struct ieee80211_mle_per_sta_profile *prof;
1821	size_t sta_prof_len;
1822
1823	/* whether/which parse error occurred while retrieving these elements */
1824	u8 parse_error;
1825	};
1826
1827	static inline struct ieee80211_local *hw_to_local(
1828	struct ieee80211_hw *hw)
1829	{
1830	return container_of(hw, struct ieee80211_local, hw);
1831	}
1832
1833	static inline struct txq_info *to_txq_info(struct ieee80211_txq *txq)
1834	{
1835	return container_of(txq, struct txq_info, txq);
1836	}
1837
1838	static inline bool txq_has_queue(struct ieee80211_txq *txq)
1839	{
1840	struct txq_info *txqi = to_txq_info(txq);
1841
1842	return !(skb_queue_empty(list: &txqi->frags) && !txqi->tin.backlog_packets);
1843	}
1844
1845	static inline bool
1846	ieee80211_have_rx_timestamp(struct ieee80211_rx_status *status)
1847	{
1848	return status->flag & RX_FLAG_MACTIME;
1849	}
1850
1851	void ieee80211_vif_inc_num_mcast(struct ieee80211_sub_if_data *sdata);
1852	void ieee80211_vif_dec_num_mcast(struct ieee80211_sub_if_data *sdata);
1853
1854	void ieee80211_vif_block_queues_csa(struct ieee80211_sub_if_data *sdata);
1855	void ieee80211_vif_unblock_queues_csa(struct ieee80211_sub_if_data *sdata);
1856
1857	/* This function returns the number of multicast stations connected to this
1858	* interface. It returns -1 if that number is not tracked, that is for netdevs
1859	* not in AP or AP_VLAN mode or when using 4addr.
1860	*/
1861	static inline int
1862	ieee80211_vif_get_num_mcast_if(struct ieee80211_sub_if_data *sdata)
1863	{
1864	if (sdata->vif.type == NL80211_IFTYPE_AP)
1865	return atomic_read(v: &sdata->u.ap.num_mcast_sta);
1866	if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN && !sdata->u.vlan.sta)
1867	return atomic_read(v: &sdata->u.vlan.num_mcast_sta);
1868	return -1;
1869	}
1870
1871	u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local,
1872	struct ieee80211_rx_status *status,
1873	unsigned int mpdu_len,
1874	unsigned int mpdu_offset);
1875	int ieee80211_hw_config(struct ieee80211_local *local, u32 changed);
1876	int ieee80211_hw_conf_chan(struct ieee80211_local *local);
1877	void ieee80211_hw_conf_init(struct ieee80211_local *local);
1878	void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx);
1879	void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
1880	u64 changed);
1881	void ieee80211_vif_cfg_change_notify(struct ieee80211_sub_if_data *sdata,
1882	u64 changed);
1883	void ieee80211_link_info_change_notify(struct ieee80211_sub_if_data *sdata,
1884	struct ieee80211_link_data *link,
1885	u64 changed);
1886	void ieee80211_configure_filter(struct ieee80211_local *local);
1887	u64 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata);
1888
1889	void ieee80211_handle_queued_frames(struct ieee80211_local *local);
1890
1891	u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local);
1892	int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
1893	u64 *cookie, gfp_t gfp);
1894
1895	void ieee80211_check_fast_rx(struct sta_info *sta);
1896	void __ieee80211_check_fast_rx_iface(struct ieee80211_sub_if_data *sdata);
1897	void ieee80211_check_fast_rx_iface(struct ieee80211_sub_if_data *sdata);
1898	void ieee80211_clear_fast_rx(struct sta_info *sta);
1899
1900	bool ieee80211_is_our_addr(struct ieee80211_sub_if_data *sdata,
1901	const u8 *addr, int *out_link_id);
1902
1903	/* STA code */
1904	void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata);
1905	int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
1906	struct cfg80211_auth_request *req);
1907	int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
1908	struct cfg80211_assoc_request *req);
1909	int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
1910	struct cfg80211_deauth_request *req);
1911	int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata,
1912	struct cfg80211_disassoc_request *req);
1913	void ieee80211_send_pspoll(struct ieee80211_local *local,
1914	struct ieee80211_sub_if_data *sdata);
1915	void ieee80211_recalc_ps(struct ieee80211_local *local);
1916	void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data *sdata);
1917	void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata);
1918	void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
1919	struct sk_buff *skb);
1920	void ieee80211_sta_rx_queued_ext(struct ieee80211_sub_if_data *sdata,
1921	struct sk_buff *skb);
1922	void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata);
1923	void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata);
1924	void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata);
1925	void ieee80211_mgd_conn_tx_status(struct ieee80211_sub_if_data *sdata,
1926	__le16 fc, bool acked);
1927	void ieee80211_mgd_quiesce(struct ieee80211_sub_if_data *sdata);
1928	void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata);
1929	void ieee80211_sta_handle_tspec_ac_params(struct ieee80211_sub_if_data *sdata);
1930	void ieee80211_sta_connection_lost(struct ieee80211_sub_if_data *sdata,
1931	u8 reason, bool tx);
1932	void ieee80211_mgd_setup_link(struct ieee80211_link_data *link);
1933	void ieee80211_mgd_stop_link(struct ieee80211_link_data *link);
1934	void ieee80211_mgd_set_link_qos_params(struct ieee80211_link_data *link);
1935
1936	/* IBSS code */
1937	void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local);
1938	void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata);
1939	void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata,
1940	const u8 *bssid, const u8 *addr, u32 supp_rates);
1941	int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
1942	struct cfg80211_ibss_params *params);
1943	int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata);
1944	void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata);
1945	void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
1946	struct sk_buff *skb);
1947	int ieee80211_ibss_csa_beacon(struct ieee80211_sub_if_data *sdata,
1948	struct cfg80211_csa_settings *csa_settings,
1949	u64 *changed);
1950	int ieee80211_ibss_finish_csa(struct ieee80211_sub_if_data *sdata,
1951	u64 *changed);
1952	void ieee80211_ibss_stop(struct ieee80211_sub_if_data *sdata);
1953
1954	/* OCB code */
1955	void ieee80211_ocb_work(struct ieee80211_sub_if_data *sdata);
1956	void ieee80211_ocb_rx_no_sta(struct ieee80211_sub_if_data *sdata,
1957	const u8 *bssid, const u8 *addr, u32 supp_rates);
1958	void ieee80211_ocb_setup_sdata(struct ieee80211_sub_if_data *sdata);
1959	int ieee80211_ocb_join(struct ieee80211_sub_if_data *sdata,
1960	struct ocb_setup *setup);
1961	int ieee80211_ocb_leave(struct ieee80211_sub_if_data *sdata);
1962
1963	/* mesh code */
1964	void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata);
1965	void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
1966	struct sk_buff *skb);
1967	int ieee80211_mesh_csa_beacon(struct ieee80211_sub_if_data *sdata,
1968	struct cfg80211_csa_settings *csa_settings,
1969	u64 *changed);
1970	int ieee80211_mesh_finish_csa(struct ieee80211_sub_if_data *sdata,
1971	u64 *changed);
1972
1973	/* scan/BSS handling */
1974	void ieee80211_scan_work(struct wiphy *wiphy, struct wiphy_work *work);
1975	int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data *sdata,
1976	const u8 *ssid, u8 ssid_len,
1977	struct ieee80211_channel **channels,
1978	unsigned int n_channels);
1979	int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata,
1980	struct cfg80211_scan_request *req);
1981	void ieee80211_scan_cancel(struct ieee80211_local *local);
1982	void ieee80211_run_deferred_scan(struct ieee80211_local *local);
1983	void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb);
1984
1985	void ieee80211_inform_bss(struct wiphy *wiphy, struct cfg80211_bss *bss,
1986	const struct cfg80211_bss_ies *ies, void *data);
1987
1988	void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local);
1989	struct ieee80211_bss *
1990	ieee80211_bss_info_update(struct ieee80211_local *local,
1991	struct ieee80211_rx_status *rx_status,
1992	struct ieee80211_mgmt *mgmt,
1993	size_t len,
1994	struct ieee80211_channel *channel);
1995	void ieee80211_rx_bss_put(struct ieee80211_local *local,
1996	struct ieee80211_bss *bss);
1997
1998	/* scheduled scan handling */
1999	int
2000	__ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
2001	struct cfg80211_sched_scan_request *req);
2002	int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
2003	struct cfg80211_sched_scan_request *req);
2004	int ieee80211_request_sched_scan_stop(struct ieee80211_local *local);
2005	void ieee80211_sched_scan_end(struct ieee80211_local *local);
2006	void ieee80211_sched_scan_stopped_work(struct wiphy *wiphy,
2007	struct wiphy_work *work);
2008
2009	/* off-channel/mgmt-tx */
2010	void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local);
2011	void ieee80211_offchannel_return(struct ieee80211_local *local);
2012	void ieee80211_roc_setup(struct ieee80211_local *local);
2013	void ieee80211_start_next_roc(struct ieee80211_local *local);
2014	void ieee80211_reconfig_roc(struct ieee80211_local *local);
2015	void ieee80211_roc_purge(struct ieee80211_local *local,
2016	struct ieee80211_sub_if_data *sdata);
2017	int ieee80211_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
2018	struct ieee80211_channel *chan,
2019	unsigned int duration, u64 *cookie);
2020	int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
2021	struct wireless_dev *wdev, u64 cookie);
2022	int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
2023	struct cfg80211_mgmt_tx_params *params, u64 *cookie);
2024	int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
2025	struct wireless_dev *wdev, u64 cookie);
2026
2027	/* channel switch handling */
2028	void ieee80211_csa_finalize_work(struct wiphy *wiphy, struct wiphy_work *work);
2029	int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
2030	struct cfg80211_csa_settings *params);
2031
2032	/* color change handling */
2033	void ieee80211_color_change_finalize_work(struct wiphy *wiphy,
2034	struct wiphy_work *work);
2035	void ieee80211_color_collision_detection_work(struct wiphy *wiphy,
2036	struct wiphy_work *work);
2037
2038	/* interface handling */
2039	#define MAC80211_SUPPORTED_FEATURES_TX (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | \
2040	NETIF_F_HW_CSUM | NETIF_F_SG | \
2041	NETIF_F_HIGHDMA | NETIF_F_GSO_SOFTWARE | \
2042	NETIF_F_HW_TC)
2043	#define MAC80211_SUPPORTED_FEATURES_RX (NETIF_F_RXCSUM)
2044	#define MAC80211_SUPPORTED_FEATURES (MAC80211_SUPPORTED_FEATURES_TX | \
2045	MAC80211_SUPPORTED_FEATURES_RX)
2046
2047	int ieee80211_iface_init(void);
2048	void ieee80211_iface_exit(void);
2049	int ieee80211_if_add(struct ieee80211_local *local, const char *name,
2050	unsigned char name_assign_type,
2051	struct wireless_dev **new_wdev, enum nl80211_iftype type,
2052	struct vif_params *params);
2053	int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata,
2054	enum nl80211_iftype type);
2055	void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata);
2056	void ieee80211_remove_interfaces(struct ieee80211_local *local);
2057	u32 ieee80211_idle_off(struct ieee80211_local *local);
2058	void ieee80211_recalc_idle(struct ieee80211_local *local);
2059	void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata,
2060	const int offset);
2061	int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up);
2062	void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata);
2063	int ieee80211_add_virtual_monitor(struct ieee80211_local *local);
2064	void ieee80211_del_virtual_monitor(struct ieee80211_local *local);
2065
2066	bool __ieee80211_recalc_txpower(struct ieee80211_link_data *link);
2067	void ieee80211_recalc_txpower(struct ieee80211_link_data *link,
2068	bool update_bss);
2069	void ieee80211_recalc_offload(struct ieee80211_local *local);
2070
2071	static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata)
2072	{
2073	return test_bit(SDATA_STATE_RUNNING, &sdata->state);
2074	}
2075
2076	/* link handling */
2077	void ieee80211_link_setup(struct ieee80211_link_data *link);
2078	void ieee80211_link_init(struct ieee80211_sub_if_data *sdata,
2079	int link_id,
2080	struct ieee80211_link_data *link,
2081	struct ieee80211_bss_conf *link_conf);
2082	void ieee80211_link_stop(struct ieee80211_link_data *link);
2083	int ieee80211_vif_set_links(struct ieee80211_sub_if_data *sdata,
2084	u16 new_links, u16 dormant_links);
2085	static inline void ieee80211_vif_clear_links(struct ieee80211_sub_if_data *sdata)
2086	{
2087	ieee80211_vif_set_links(sdata, new_links: 0, dormant_links: 0);
2088	}
2089
2090	void ieee80211_apvlan_link_setup(struct ieee80211_sub_if_data *sdata);
2091	void ieee80211_apvlan_link_clear(struct ieee80211_sub_if_data *sdata);
2092
2093	/* tx handling */
2094	void ieee80211_clear_tx_pending(struct ieee80211_local *local);
2095	void ieee80211_tx_pending(struct tasklet_struct *t);
2096	netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb,
2097	struct net_device *dev);
2098	netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
2099	struct net_device *dev);
2100	netdev_tx_t ieee80211_subif_start_xmit_8023(struct sk_buff *skb,
2101	struct net_device *dev);
2102	void __ieee80211_subif_start_xmit(struct sk_buff *skb,
2103	struct net_device *dev,
2104	u32 info_flags,
2105	u32 ctrl_flags,
2106	u64 *cookie);
2107	struct sk_buff *
2108	ieee80211_build_data_template(struct ieee80211_sub_if_data *sdata,
2109	struct sk_buff *skb, u32 info_flags);
2110	void ieee80211_tx_monitor(struct ieee80211_local *local, struct sk_buff *skb,
2111	int retry_count, struct ieee80211_tx_status *status);
2112
2113	void ieee80211_check_fast_xmit(struct sta_info *sta);
2114	void ieee80211_check_fast_xmit_all(struct ieee80211_local *local);
2115	void ieee80211_check_fast_xmit_iface(struct ieee80211_sub_if_data *sdata);
2116	void ieee80211_clear_fast_xmit(struct sta_info *sta);
2117	int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev,
2118	const u8 *buf, size_t len,
2119	const u8 *dest, __be16 proto, bool unencrypted,
2120	int link_id, u64 *cookie);
2121	int ieee80211_probe_mesh_link(struct wiphy *wiphy, struct net_device *dev,
2122	const u8 *buf, size_t len);
2123	void __ieee80211_xmit_fast(struct ieee80211_sub_if_data *sdata,
2124	struct sta_info *sta,
2125	struct ieee80211_fast_tx *fast_tx,
2126	struct sk_buff *skb, bool ampdu,
2127	const u8 *da, const u8 *sa);
2128	void ieee80211_aggr_check(struct ieee80211_sub_if_data *sdata,
2129	struct sta_info *sta, struct sk_buff *skb);
2130
2131	/* HT */
2132	void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata,
2133	struct ieee80211_sta_ht_cap *ht_cap);
2134	bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata,
2135	struct ieee80211_supported_band *sband,
2136	const struct ieee80211_ht_cap *ht_cap_ie,
2137	struct link_sta_info *link_sta);
2138	void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata,
2139	const u8 *da, u16 tid,
2140	u16 initiator, u16 reason_code);
2141	int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata,
2142	enum ieee80211_smps_mode smps, const u8 *da,
2143	const u8 *bssid, int link_id);
2144	void ieee80211_add_addbaext(struct sk_buff *skb,
2145	const u8 req_addba_ext_data,
2146	u16 buf_size);
2147	u8 ieee80211_retrieve_addba_ext_data(struct sta_info *sta,
2148	const void *elem_data, ssize_t elem_len,
2149	u16 *buf_size);
2150	void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
2151	u16 initiator, u16 reason, bool stop);
2152	void __ieee80211_start_rx_ba_session(struct sta_info *sta,
2153	u8 dialog_token, u16 timeout,
2154	u16 start_seq_num, u16 ba_policy, u16 tid,
2155	u16 buf_size, bool tx, bool auto_seq,
2156	const u8 addba_ext_data);
2157	void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta,
2158	enum ieee80211_agg_stop_reason reason);
2159	void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata,
2160	struct sta_info *sta,
2161	struct ieee80211_mgmt *mgmt, size_t len);
2162	void ieee80211_process_addba_resp(struct ieee80211_local *local,
2163	struct sta_info *sta,
2164	struct ieee80211_mgmt *mgmt,
2165	size_t len);
2166	void ieee80211_process_addba_request(struct ieee80211_local *local,
2167	struct sta_info *sta,
2168	struct ieee80211_mgmt *mgmt,
2169	size_t len);
2170
2171	static inline struct ieee80211_mgmt *
2172	ieee80211_mgmt_ba(struct sk_buff *skb, const u8 *da,
2173	struct ieee80211_sub_if_data *sdata)
2174	{
2175	struct ieee80211_mgmt *mgmt = skb_put_zero(skb, len: 24);
2176
2177	ether_addr_copy(dst: mgmt->da, src: da);
2178	ether_addr_copy(dst: mgmt->sa, src: sdata->vif.addr);
2179
2180	if (sdata->vif.type == NL80211_IFTYPE_AP ||
2181	sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
2182	sdata->vif.type == NL80211_IFTYPE_MESH_POINT)
2183	ether_addr_copy(dst: mgmt->bssid, src: sdata->vif.addr);
2184	else if (sdata->vif.type == NL80211_IFTYPE_STATION)
2185	ether_addr_copy(dst: mgmt->bssid, src: sdata->vif.cfg.ap_addr);
2186	else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
2187	ether_addr_copy(dst: mgmt->bssid, src: sdata->u.ibss.bssid);
2188
2189	mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
2190	IEEE80211_STYPE_ACTION);
2191	return mgmt;
2192	}
2193
2194	int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
2195	enum ieee80211_agg_stop_reason reason);
2196	void ieee80211_start_tx_ba_cb(struct sta_info *sta, int tid,
2197	struct tid_ampdu_tx *tid_tx);
2198	void ieee80211_stop_tx_ba_cb(struct sta_info *sta, int tid,
2199	struct tid_ampdu_tx *tid_tx);
2200	void ieee80211_ba_session_work(struct wiphy *wiphy, struct wiphy_work *work);
2201	void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid);
2202	void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid);
2203
2204	u8 ieee80211_mcs_to_chains(const struct ieee80211_mcs_info *mcs);
2205	enum nl80211_smps_mode
2206	ieee80211_smps_mode_to_smps_mode(enum ieee80211_smps_mode smps);
2207
2208	/* VHT */
2209	void
2210	ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata,
2211	struct ieee80211_supported_band *sband,
2212	const struct ieee80211_vht_cap *vht_cap_ie,
2213	const struct ieee80211_vht_cap *vht_cap_ie2,
2214	struct link_sta_info *link_sta);
2215	enum ieee80211_sta_rx_bandwidth
2216	_ieee80211_sta_cap_rx_bw(struct link_sta_info *link_sta,
2217	struct cfg80211_chan_def *chandef);
2218	static inline enum ieee80211_sta_rx_bandwidth
2219	ieee80211_sta_cap_rx_bw(struct link_sta_info *link_sta)
2220	{
2221	return _ieee80211_sta_cap_rx_bw(link_sta, NULL);
2222	}
2223	enum ieee80211_sta_rx_bandwidth
2224	_ieee80211_sta_cur_vht_bw(struct link_sta_info *link_sta,
2225	struct cfg80211_chan_def *chandef);
2226	static inline enum ieee80211_sta_rx_bandwidth
2227	ieee80211_sta_cur_vht_bw(struct link_sta_info *link_sta)
2228	{
2229	return _ieee80211_sta_cur_vht_bw(link_sta, NULL);
2230	}
2231	void ieee80211_sta_init_nss(struct link_sta_info *link_sta);
2232	enum nl80211_chan_width
2233	ieee80211_sta_cap_chan_bw(struct link_sta_info *link_sta);
2234	void ieee80211_process_mu_groups(struct ieee80211_sub_if_data *sdata,
2235	struct ieee80211_link_data *link,
2236	struct ieee80211_mgmt *mgmt);
2237	u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata,
2238	struct link_sta_info *sta,
2239	u8 opmode, enum nl80211_band band);
2240	void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata,
2241	struct link_sta_info *sta,
2242	u8 opmode, enum nl80211_band band);
2243	void ieee80211_apply_vhtcap_overrides(struct ieee80211_sub_if_data *sdata,
2244	struct ieee80211_sta_vht_cap *vht_cap);
2245	void ieee80211_get_vht_mask_from_cap(__le16 vht_cap,
2246	u16 vht_mask[NL80211_VHT_NSS_MAX]);
2247	enum nl80211_chan_width
2248	ieee80211_sta_rx_bw_to_chan_width(struct link_sta_info *sta);
2249
2250	/* HE */
2251	void
2252	ieee80211_he_cap_ie_to_sta_he_cap(struct ieee80211_sub_if_data *sdata,
2253	struct ieee80211_supported_band *sband,
2254	const u8 *he_cap_ie, u8 he_cap_len,
2255	const struct ieee80211_he_6ghz_capa *he_6ghz_capa,
2256	struct link_sta_info *link_sta);
2257	void
2258	ieee80211_he_spr_ie_to_bss_conf(struct ieee80211_vif *vif,
2259	const struct ieee80211_he_spr *he_spr_ie_elem);
2260
2261	void
2262	ieee80211_he_op_ie_to_bss_conf(struct ieee80211_vif *vif,
2263	const struct ieee80211_he_operation *he_op_ie_elem);
2264
2265	/* S1G */
2266	void ieee80211_s1g_sta_rate_init(struct sta_info *sta);
2267	bool ieee80211_s1g_is_twt_setup(struct sk_buff *skb);
2268	void ieee80211_s1g_rx_twt_action(struct ieee80211_sub_if_data *sdata,
2269	struct sk_buff *skb);
2270	void ieee80211_s1g_status_twt_action(struct ieee80211_sub_if_data *sdata,
2271	struct sk_buff *skb);
2272
2273	/* Spectrum management */
2274	void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata,
2275	struct ieee80211_mgmt *mgmt,
2276	size_t len);
2277	/**
2278	* ieee80211_parse_ch_switch_ie - parses channel switch IEs
2279	* @sdata: the sdata of the interface which has received the frame
2280	* @elems: parsed 802.11 elements received with the frame
2281	* @current_band: indicates the current band
2282	* @vht_cap_info: VHT capabilities of the transmitter
2283	* @conn: contains information about own capabilities and restrictions
2284	* to decide which channel switch announcements can be accepted
2285	* @bssid: the currently connected bssid (for reporting)
2286	* @unprot_action: whether the frame was an unprotected frame or not,
2287	* used for reporting
2288	* @csa_ie: parsed 802.11 csa elements on count, mode, chandef and mesh ttl.
2289	* All of them will be filled with if success only.
2290	* Return: 0 on success, <0 on error and >0 if there is nothing to parse.
2291	*/
2292	int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata,
2293	struct ieee802_11_elems *elems,
2294	enum nl80211_band current_band,
2295	u32 vht_cap_info,
2296	struct ieee80211_conn_settings *conn,
2297	u8 *bssid, bool unprot_action,
2298	struct ieee80211_csa_ie *csa_ie);
2299
2300	/* Suspend/resume and hw reconfiguration */
2301	int ieee80211_reconfig(struct ieee80211_local *local);
2302	void ieee80211_stop_device(struct ieee80211_local *local, bool suspend);
2303
2304	int __ieee80211_suspend(struct ieee80211_hw *hw,
2305	struct cfg80211_wowlan *wowlan);
2306
2307	static inline int __ieee80211_resume(struct ieee80211_hw *hw)
2308	{
2309	struct ieee80211_local *local = hw_to_local(hw);
2310
2311	WARN(test_bit(SCAN_HW_SCANNING, &local->scanning) &&
2312	!test_bit(SCAN_COMPLETED, &local->scanning),
2313	"%s: resume with hardware scan still in progress\n",
2314	wiphy_name(hw->wiphy));
2315
2316	return ieee80211_reconfig(local: hw_to_local(hw));
2317	}
2318
2319	/* utility functions/constants */
2320	extern const void *const mac80211_wiphy_privid; /* for wiphy privid */
2321	const char *ieee80211_conn_mode_str(enum ieee80211_conn_mode mode);
2322	enum ieee80211_conn_bw_limit
2323	ieee80211_min_bw_limit_from_chandef(struct cfg80211_chan_def *chandef);
2324	int ieee80211_frame_duration(enum nl80211_band band, size_t len,
2325	int rate, int erp, int short_preamble);
2326	void ieee80211_regulatory_limit_wmm_params(struct ieee80211_sub_if_data *sdata,
2327	struct ieee80211_tx_queue_params *qparam,
2328	int ac);
2329	void ieee80211_clear_tpe(struct ieee80211_parsed_tpe *tpe);
2330	void ieee80211_set_wmm_default(struct ieee80211_link_data *link,
2331	bool bss_notify, bool enable_qos);
2332	void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
2333	struct sta_info *sta, struct sk_buff *skb);
2334
2335	void __ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata,
2336	struct sk_buff *skb, int tid, int link_id,
2337	enum nl80211_band band);
2338
2339	/* sta_out needs to be checked for ERR_PTR() before using */
2340	int ieee80211_lookup_ra_sta(struct ieee80211_sub_if_data *sdata,
2341	struct sk_buff *skb,
2342	struct sta_info **sta_out);
2343
2344	static inline void
2345	ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata,
2346	struct sk_buff *skb, int tid,
2347	enum nl80211_band band)
2348	{
2349	rcu_read_lock();
2350	__ieee80211_tx_skb_tid_band(sdata, skb, tid, link_id: -1, band);
2351	rcu_read_unlock();
2352	}
2353
2354	void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata,
2355	struct sk_buff *skb, int tid, int link_id);
2356
2357	static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata,
2358	struct sk_buff *skb)
2359	{
2360	/* Send all internal mgmt frames on VO. Accordingly set TID to 7. */
2361	ieee80211_tx_skb_tid(sdata, skb, tid: 7, link_id: -1);
2362	}
2363
2364	/**
2365	* struct ieee80211_elems_parse_params - element parsing parameters
2366	* @mode: connection mode for parsing
2367	* @start: pointer to the elements
2368	* @len: length of the elements
2369	* @action: %true if the elements came from an action frame
2370	* @filter: bitmap of element IDs to filter out while calculating
2371	* the element CRC
2372	* @crc: CRC starting value
2373	* @bss: the BSS to parse this as, for multi-BSSID cases this can
2374	* represent a non-transmitting BSS in which case the data
2375	* for that non-transmitting BSS is returned
2376	* @link_id: the link ID to parse elements for, if a STA profile
2377	* is present in the multi-link element, or -1 to ignore;
2378	* note that the code currently assumes parsing an association
2379	* (or re-association) response frame if this is given
2380	* @from_ap: frame is received from an AP (currently used only
2381	* for EHT capabilities parsing)
2382	*/
2383	struct ieee80211_elems_parse_params {
2384	enum ieee80211_conn_mode mode;
2385	const u8 *start;
2386	size_t len;
2387	bool action;
2388	u64 filter;
2389	u32 crc;
2390	struct cfg80211_bss *bss;
2391	int link_id;
2392	bool from_ap;
2393	};
2394
2395	struct ieee802_11_elems *
2396	ieee802_11_parse_elems_full(struct ieee80211_elems_parse_params *params);
2397
2398	static inline struct ieee802_11_elems *
2399	ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
2400	u64 filter, u32 crc,
2401	struct cfg80211_bss *bss)
2402	{
2403	struct ieee80211_elems_parse_params params = {
2404	.mode = IEEE80211_CONN_MODE_HIGHEST,
2405	.start = start,
2406	.len = len,
2407	.action = action,
2408	.filter = filter,
2409	.crc = crc,
2410	.bss = bss,
2411	.link_id = -1,
2412	};
2413
2414	return ieee802_11_parse_elems_full(params: &params);
2415	}
2416
2417	static inline struct ieee802_11_elems *
2418	ieee802_11_parse_elems(const u8 *start, size_t len, bool action,
2419	struct cfg80211_bss *bss)
2420	{
2421	return ieee802_11_parse_elems_crc(start, len, action, filter: 0, crc: 0, bss);
2422	}
2423
2424	extern const int ieee802_1d_to_ac[8];
2425
2426	static inline int ieee80211_ac_from_tid(int tid)
2427	{
2428	return ieee802_1d_to_ac[tid & 7];
2429	}
2430
2431	void ieee80211_dynamic_ps_enable_work(struct wiphy *wiphy,
2432	struct wiphy_work *work);
2433	void ieee80211_dynamic_ps_disable_work(struct wiphy *wiphy,
2434	struct wiphy_work *work);
2435	void ieee80211_dynamic_ps_timer(struct timer_list *t);
2436	void ieee80211_send_nullfunc(struct ieee80211_local *local,
2437	struct ieee80211_sub_if_data *sdata,
2438	bool powersave);
2439	void ieee80211_send_4addr_nullfunc(struct ieee80211_local *local,
2440	struct ieee80211_sub_if_data *sdata);
2441	void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata,
2442	struct ieee80211_hdr *hdr, bool ack, u16 tx_time);
2443	unsigned int
2444	ieee80211_get_vif_queues(struct ieee80211_local *local,
2445	struct ieee80211_sub_if_data *sdata);
2446	void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw,
2447	unsigned long queues,
2448	enum queue_stop_reason reason,
2449	bool refcounted);
2450	void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw,
2451	unsigned long queues,
2452	enum queue_stop_reason reason,
2453	bool refcounted);
2454	void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue,
2455	enum queue_stop_reason reason,
2456	bool refcounted);
2457	void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue,
2458	enum queue_stop_reason reason,
2459	bool refcounted);
2460	static inline void
2461	ieee80211_stop_vif_queues(struct ieee80211_local *local,
2462	struct ieee80211_sub_if_data *sdata,
2463	enum queue_stop_reason reason)
2464	{
2465	ieee80211_stop_queues_by_reason(hw: &local->hw,
2466	queues: ieee80211_get_vif_queues(local, sdata),
2467	reason, refcounted: true);
2468	}
2469
2470	static inline void
2471	ieee80211_wake_vif_queues(struct ieee80211_local *local,
2472	struct ieee80211_sub_if_data *sdata,
2473	enum queue_stop_reason reason)
2474	{
2475	ieee80211_wake_queues_by_reason(hw: &local->hw,
2476	queues: ieee80211_get_vif_queues(local, sdata),
2477	reason, refcounted: true);
2478	}
2479	static inline void
2480	ieee80211_stop_vif_queues_norefcount(struct ieee80211_local *local,
2481	struct ieee80211_sub_if_data *sdata,
2482	enum queue_stop_reason reason)
2483	{
2484	ieee80211_stop_queues_by_reason(hw: &local->hw,
2485	queues: ieee80211_get_vif_queues(local, sdata),
2486	reason, refcounted: false);
2487	}
2488	static inline void
2489	ieee80211_wake_vif_queues_norefcount(struct ieee80211_local *local,
2490	struct ieee80211_sub_if_data *sdata,
2491	enum queue_stop_reason reason)
2492	{
2493	ieee80211_wake_queues_by_reason(hw: &local->hw,
2494	queues: ieee80211_get_vif_queues(local, sdata),
2495	reason, refcounted: false);
2496	}
2497	void ieee80211_add_pending_skb(struct ieee80211_local *local,
2498	struct sk_buff *skb);
2499	void ieee80211_add_pending_skbs(struct ieee80211_local *local,
2500	struct sk_buff_head *skbs);
2501	void ieee80211_flush_queues(struct ieee80211_local *local,
2502	struct ieee80211_sub_if_data *sdata, bool drop);
2503	void __ieee80211_flush_queues(struct ieee80211_local *local,
2504	struct ieee80211_sub_if_data *sdata,
2505	unsigned int queues, bool drop);
2506
2507	static inline bool ieee80211_can_run_worker(struct ieee80211_local *local)
2508	{
2509	/*
2510	* It's unsafe to try to do any work during reconfigure flow.
2511	* When the flow ends the work will be requeued.
2512	*/
2513	if (local->in_reconfig)
2514	return false;
2515
2516	/*
2517	* If quiescing is set, we are racing with __ieee80211_suspend.
2518	* __ieee80211_suspend flushes the workers after setting quiescing,
2519	* and we check quiescing / suspended before enqueuing new workers.
2520	* We should abort the worker to avoid the races below.
2521	*/
2522	if (local->quiescing)
2523	return false;
2524
2525	/*
2526	* We might already be suspended if the following scenario occurs:
2527	* __ieee80211_suspend Control path
2528	*
2529	* if (local->quiescing)
2530	* return;
2531	* local->quiescing = true;
2532	* flush_workqueue();
2533	* queue_work(...);
2534	* local->suspended = true;
2535	* local->quiescing = false;
2536	* worker starts running...
2537	*/
2538	if (local->suspended)
2539	return false;
2540
2541	return true;
2542	}
2543
2544	int ieee80211_txq_setup_flows(struct ieee80211_local *local);
2545	void ieee80211_txq_set_params(struct ieee80211_local *local);
2546	void ieee80211_txq_teardown_flows(struct ieee80211_local *local);
2547	void ieee80211_txq_init(struct ieee80211_sub_if_data *sdata,
2548	struct sta_info *sta,
2549	struct txq_info *txq, int tid);
2550	void ieee80211_txq_purge(struct ieee80211_local *local,
2551	struct txq_info *txqi);
2552	void ieee80211_purge_sta_txqs(struct sta_info *sta);
2553	void ieee80211_txq_remove_vlan(struct ieee80211_local *local,
2554	struct ieee80211_sub_if_data *sdata);
2555	void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats,
2556	struct txq_info *txqi);
2557	void ieee80211_wake_txqs(struct tasklet_struct *t);
2558	void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
2559	u16 transaction, u16 auth_alg, u16 status,
2560	const u8 *extra, size_t extra_len, const u8 *bssid,
2561	const u8 *da, const u8 *key, u8 key_len, u8 key_idx,
2562	u32 tx_flags);
2563	void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,
2564	const u8 *da, const u8 *bssid,
2565	u16 stype, u16 reason,
2566	bool send_frame, u8 *frame_buf);
2567
2568	enum {
2569	IEEE80211_PROBE_FLAG_DIRECTED = BIT(0),
2570	IEEE80211_PROBE_FLAG_MIN_CONTENT = BIT(1),
2571	IEEE80211_PROBE_FLAG_RANDOM_SN = BIT(2),
2572	};
2573
2574	int ieee80211_build_preq_ies(struct ieee80211_sub_if_data *sdata, u8 *buffer,
2575	size_t buffer_len,
2576	struct ieee80211_scan_ies *ie_desc,
2577	const u8 *ie, size_t ie_len,
2578	u8 bands_used, u32 *rate_masks,
2579	struct cfg80211_chan_def *chandef,
2580	u32 flags);
2581	struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
2582	const u8 *src, const u8 *dst,
2583	u32 ratemask,
2584	struct ieee80211_channel *chan,
2585	const u8 *ssid, size_t ssid_len,
2586	const u8 *ie, size_t ie_len,
2587	u32 flags);
2588	u32 ieee80211_sta_get_rates(struct ieee80211_sub_if_data *sdata,
2589	struct ieee802_11_elems *elems,
2590	enum nl80211_band band, u32 *basic_rates);
2591	int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2592	struct ieee80211_link_data *link,
2593	enum ieee80211_smps_mode smps_mode);
2594	void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata,
2595	struct ieee80211_link_data *link);
2596	void ieee80211_recalc_min_chandef(struct ieee80211_sub_if_data *sdata,
2597	int link_id);
2598
2599	size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset);
2600	u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
2601	u16 cap);
2602	u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
2603	const struct cfg80211_chan_def *chandef,
2604	u16 prot_mode, bool rifs_mode);
2605	void ieee80211_ie_build_wide_bw_cs(u8 *pos,
2606	const struct cfg80211_chan_def *chandef);
2607	u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap,
2608	u32 cap);
2609	u8 *ieee80211_ie_build_vht_oper(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap,
2610	const struct cfg80211_chan_def *chandef);
2611	u8 ieee80211_ie_len_he_cap(struct ieee80211_sub_if_data *sdata);
2612	u8 *ieee80211_ie_build_he_oper(u8 *pos, const struct cfg80211_chan_def *chandef);
2613	u8 *ieee80211_ie_build_eht_oper(u8 *pos, const struct cfg80211_chan_def *chandef,
2614	const struct ieee80211_sta_eht_cap *eht_cap);
2615	int ieee80211_parse_bitrates(enum nl80211_chan_width width,
2616	const struct ieee80211_supported_band *sband,
2617	const u8 *srates, int srates_len, u32 *rates);
2618	u8 *ieee80211_add_wmm_info_ie(u8 *buf, u8 qosinfo);
2619	void ieee80211_add_s1g_capab_ie(struct ieee80211_sub_if_data *sdata,
2620	struct ieee80211_sta_s1g_cap *caps,
2621	struct sk_buff *skb);
2622	void ieee80211_add_aid_request_ie(struct ieee80211_sub_if_data *sdata,
2623	struct sk_buff *skb);
2624
2625	/* element building in SKBs */
2626	int ieee80211_put_srates_elem(struct sk_buff *skb,
2627	const struct ieee80211_supported_band *sband,
2628	u32 basic_rates, u32 masked_rates,
2629	u8 element_id);
2630	int ieee80211_put_he_cap(struct sk_buff *skb,
2631	struct ieee80211_sub_if_data *sdata,
2632	const struct ieee80211_supported_band *sband,
2633	const struct ieee80211_conn_settings *conn);
2634	int ieee80211_put_he_6ghz_cap(struct sk_buff *skb,
2635	struct ieee80211_sub_if_data *sdata,
2636	enum ieee80211_smps_mode smps_mode);
2637	int ieee80211_put_eht_cap(struct sk_buff *skb,
2638	struct ieee80211_sub_if_data *sdata,
2639	const struct ieee80211_supported_band *sband,
2640	const struct ieee80211_conn_settings *conn);
2641
2642	/* channel management */
2643	bool ieee80211_chandef_ht_oper(const struct ieee80211_ht_operation *ht_oper,
2644	struct cfg80211_chan_def *chandef);
2645	bool ieee80211_chandef_vht_oper(struct ieee80211_hw *hw, u32 vht_cap_info,
2646	const struct ieee80211_vht_operation *oper,
2647	const struct ieee80211_ht_operation *htop,
2648	struct cfg80211_chan_def *chandef);
2649	void ieee80211_chandef_eht_oper(const struct ieee80211_eht_operation_info *info,
2650	struct cfg80211_chan_def *chandef);
2651	bool ieee80211_chandef_he_6ghz_oper(struct ieee80211_local *local,
2652	const struct ieee80211_he_operation *he_oper,
2653	const struct ieee80211_eht_operation *eht_oper,
2654	struct cfg80211_chan_def *chandef);
2655	bool ieee80211_chandef_s1g_oper(const struct ieee80211_s1g_oper_ie *oper,
2656	struct cfg80211_chan_def *chandef);
2657	void ieee80211_chandef_downgrade(struct cfg80211_chan_def *chandef,
2658	struct ieee80211_conn_settings *conn);
2659	static inline void
2660	ieee80211_chanreq_downgrade(struct ieee80211_chan_req *chanreq,
2661	struct ieee80211_conn_settings *conn)
2662	{
2663	ieee80211_chandef_downgrade(chandef: &chanreq->oper, conn);
2664	if (WARN_ON(!conn))
2665	return;
2666	if (conn->mode < IEEE80211_CONN_MODE_EHT)
2667	chanreq->ap.chan = NULL;
2668	}
2669
2670	bool ieee80211_chanreq_identical(const struct ieee80211_chan_req *a,
2671	const struct ieee80211_chan_req *b);
2672
2673	int __must_check
2674	_ieee80211_link_use_channel(struct ieee80211_link_data *link,
2675	const struct ieee80211_chan_req *req,
2676	enum ieee80211_chanctx_mode mode,
2677	bool assign_on_failure);
2678
2679	static inline int __must_check
2680	ieee80211_link_use_channel(struct ieee80211_link_data *link,
2681	const struct ieee80211_chan_req *req,
2682	enum ieee80211_chanctx_mode mode)
2683	{
2684	return _ieee80211_link_use_channel(link, req, mode, assign_on_failure: false);
2685	}
2686
2687	int __must_check
2688	ieee80211_link_reserve_chanctx(struct ieee80211_link_data *link,
2689	const struct ieee80211_chan_req *req,
2690	enum ieee80211_chanctx_mode mode,
2691	bool radar_required);
2692	int __must_check
2693	ieee80211_link_use_reserved_context(struct ieee80211_link_data *link);
2694	int ieee80211_link_unreserve_chanctx(struct ieee80211_link_data *link);
2695
2696	int __must_check
2697	ieee80211_link_change_chanreq(struct ieee80211_link_data *link,
2698	const struct ieee80211_chan_req *req,
2699	u64 *changed);
2700	void __ieee80211_link_release_channel(struct ieee80211_link_data *link,
2701	bool skip_idle_recalc);
2702	void ieee80211_link_release_channel(struct ieee80211_link_data *link);
2703	void ieee80211_link_vlan_copy_chanctx(struct ieee80211_link_data *link);
2704	void ieee80211_link_copy_chanctx_to_vlans(struct ieee80211_link_data *link,
2705	bool clear);
2706	int ieee80211_chanctx_refcount(struct ieee80211_local *local,
2707	struct ieee80211_chanctx *ctx);
2708
2709	void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local,
2710	struct ieee80211_chanctx *chanctx);
2711	void ieee80211_recalc_chanctx_min_def(struct ieee80211_local *local,
2712	struct ieee80211_chanctx *ctx,
2713	struct ieee80211_link_data *rsvd_for,
2714	bool check_reserved);
2715	bool ieee80211_is_radar_required(struct ieee80211_local *local);
2716
2717	void ieee80211_dfs_cac_timer_work(struct wiphy *wiphy, struct wiphy_work *work);
2718	void ieee80211_dfs_cac_cancel(struct ieee80211_local *local,
2719	struct ieee80211_chanctx *chanctx);
2720	void ieee80211_dfs_radar_detected_work(struct wiphy *wiphy,
2721	struct wiphy_work *work);
2722	int ieee80211_send_action_csa(struct ieee80211_sub_if_data *sdata,
2723	struct cfg80211_csa_settings *csa_settings);
2724
2725	void ieee80211_recalc_dtim(struct ieee80211_local *local,
2726	struct ieee80211_sub_if_data *sdata);
2727	int ieee80211_check_combinations(struct ieee80211_sub_if_data *sdata,
2728	const struct cfg80211_chan_def *chandef,
2729	enum ieee80211_chanctx_mode chanmode,
2730	u8 radar_detect, int radio_idx);
2731	int ieee80211_max_num_channels(struct ieee80211_local *local, int radio_idx);
2732	u32 ieee80211_get_radio_mask(struct wiphy *wiphy, struct net_device *dev);
2733	void ieee80211_recalc_chanctx_chantype(struct ieee80211_local *local,
2734	struct ieee80211_chanctx *ctx);
2735
2736	/* TDLS */
2737	int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
2738	const u8 *peer, int link_id,
2739	u8 action_code, u8 dialog_token, u16 status_code,
2740	u32 peer_capability, bool initiator,
2741	const u8 *extra_ies, size_t extra_ies_len);
2742	int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
2743	const u8 *peer, enum nl80211_tdls_operation oper);
2744	void ieee80211_tdls_peer_del_work(struct wiphy *wiphy, struct wiphy_work *wk);
2745	int ieee80211_tdls_channel_switch(struct wiphy *wiphy, struct net_device *dev,
2746	const u8 *addr, u8 oper_class,
2747	struct cfg80211_chan_def *chandef);
2748	void ieee80211_tdls_cancel_channel_switch(struct wiphy *wiphy,
2749	struct net_device *dev,
2750	const u8 *addr);
2751	void ieee80211_teardown_tdls_peers(struct ieee80211_link_data *link);
2752	void ieee80211_tdls_handle_disconnect(struct ieee80211_sub_if_data *sdata,
2753	const u8 *peer, u16 reason);
2754	void
2755	ieee80211_process_tdls_channel_switch(struct ieee80211_sub_if_data *sdata,
2756	struct sk_buff *skb);
2757
2758
2759	const char *ieee80211_get_reason_code_string(u16 reason_code);
2760	u16 ieee80211_encode_usf(int val);
2761	u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len,
2762	enum nl80211_iftype type);
2763
2764	extern const struct ethtool_ops ieee80211_ethtool_ops;
2765
2766	u32 ieee80211_calc_expected_tx_airtime(struct ieee80211_hw *hw,
2767	struct ieee80211_vif *vif,
2768	struct ieee80211_sta *pubsta,
2769	int len, bool ampdu);
2770	#ifdef CONFIG_MAC80211_NOINLINE
2771	#define debug_noinline noinline
2772	#else
2773	#define debug_noinline
2774	#endif
2775
2776	void ieee80211_init_frag_cache(struct ieee80211_fragment_cache *cache);
2777	void ieee80211_destroy_frag_cache(struct ieee80211_fragment_cache *cache);
2778
2779	u8 ieee80211_ie_len_eht_cap(struct ieee80211_sub_if_data *sdata);
2780
2781	void
2782	ieee80211_eht_cap_ie_to_sta_eht_cap(struct ieee80211_sub_if_data *sdata,
2783	struct ieee80211_supported_band *sband,
2784	const u8 *he_cap_ie, u8 he_cap_len,
2785	const struct ieee80211_eht_cap_elem *eht_cap_ie_elem,
2786	u8 eht_cap_len,
2787	struct link_sta_info *link_sta);
2788	void ieee80211_process_neg_ttlm_req(struct ieee80211_sub_if_data *sdata,
2789	struct ieee80211_mgmt *mgmt, size_t len);
2790	void ieee80211_process_neg_ttlm_res(struct ieee80211_sub_if_data *sdata,
2791	struct ieee80211_mgmt *mgmt, size_t len);
2792	int ieee80211_req_neg_ttlm(struct ieee80211_sub_if_data *sdata,
2793	struct cfg80211_ttlm_params *params);
2794	void ieee80211_process_ttlm_teardown(struct ieee80211_sub_if_data *sdata);
2795
2796	void ieee80211_check_wbrf_support(struct ieee80211_local *local);
2797	void ieee80211_add_wbrf(struct ieee80211_local *local, struct cfg80211_chan_def *chandef);
2798	void ieee80211_remove_wbrf(struct ieee80211_local *local, struct cfg80211_chan_def *chandef);
2799	int ieee80211_mgd_set_epcs(struct ieee80211_sub_if_data *sdata, bool enable);
2800	void ieee80211_process_epcs_ena_resp(struct ieee80211_sub_if_data *sdata,
2801	struct ieee80211_mgmt *mgmt, size_t len);
2802	void ieee80211_process_epcs_teardown(struct ieee80211_sub_if_data *sdata,
2803	struct ieee80211_mgmt *mgmt, size_t len);
2804
2805	int ieee80211_mgd_assoc_ml_reconf(struct ieee80211_sub_if_data *sdata,
2806	struct cfg80211_ml_reconf_req *req);
2807
2808	void ieee80211_process_ml_reconf_resp(struct ieee80211_sub_if_data *sdata,
2809	struct ieee80211_mgmt *mgmt, size_t len);
2810	void ieee80211_stop_mbssid(struct ieee80211_sub_if_data *sdata);
2811
2812	#if IS_ENABLED(CONFIG_MAC80211_KUNIT_TEST)
2813	#define EXPORT_SYMBOL_IF_MAC80211_KUNIT(sym) EXPORT_SYMBOL_IF_KUNIT(sym)
2814	#define VISIBLE_IF_MAC80211_KUNIT
2815	ieee80211_rx_result
2816	ieee80211_drop_unencrypted_mgmt(struct ieee80211_rx_data *rx);
2817	int ieee80211_calc_chandef_subchan_offset(const struct cfg80211_chan_def *ap,
2818	u8 n_partial_subchans);
2819	void ieee80211_rearrange_tpe_psd(struct ieee80211_parsed_tpe_psd *psd,
2820	const struct cfg80211_chan_def *ap,
2821	const struct cfg80211_chan_def *used);
2822	struct ieee802_11_elems *
2823	ieee80211_determine_chan_mode(struct ieee80211_sub_if_data *sdata,
2824	struct ieee80211_conn_settings *conn,
2825	struct cfg80211_bss *cbss, int link_id,
2826	struct ieee80211_chan_req *chanreq,
2827	struct cfg80211_chan_def *ap_chandef,
2828	unsigned long *userspace_selectors);
2829	#else
2830	#define EXPORT_SYMBOL_IF_MAC80211_KUNIT(sym)
2831	#define VISIBLE_IF_MAC80211_KUNIT static
2832	#endif
2833
2834	#endif /* IEEE80211_I_H */
2835