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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 <net/ieee80211_radiotap.h>
30#include <net/cfg80211.h>
31#include <net/mac80211.h>
32#include <net/fq.h>
33#include "key.h"
34#include "sta_info.h"
35#include "debug.h"
36
37extern const struct cfg80211_ops mac80211_config_ops;
38
39struct ieee80211_local;
40
41
42
43#define AP_MAX_BC_BUFFER 128
44
45
46
47
48#define TOTAL_MAX_TX_BUFFER 512
49
50
51#define IEEE80211_ENCRYPT_HEADROOM 8
52#define IEEE80211_ENCRYPT_TAILROOM 18
53
54
55#define IEEE80211_UNSET_POWER_LEVEL INT_MIN
56
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73
74
75#define IEEE80211_DEFAULT_UAPSD_QUEUES 0
76
77#define IEEE80211_DEFAULT_MAX_SP_LEN \
78 IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL
79
80extern const u8 ieee80211_ac_to_qos_mask[IEEE80211_NUM_ACS];
81
82#define IEEE80211_DEAUTH_FRAME_LEN (24 + 2 )
83
84#define IEEE80211_MAX_NAN_INSTANCE_ID 255
85
86struct ieee80211_bss {
87 u32 device_ts_beacon, device_ts_presp;
88
89 bool wmm_used;
90 bool uapsd_supported;
91
92#define IEEE80211_MAX_SUPP_RATES 32
93 u8 supp_rates[IEEE80211_MAX_SUPP_RATES];
94 size_t supp_rates_len;
95 struct ieee80211_rate *beacon_rate;
96
97 u32 vht_cap_info;
98
99
100
101
102
103
104
105 bool has_erp_value;
106 u8 erp_value;
107
108
109 u8 corrupt_data;
110
111
112 u8 valid_data;
113};
114
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118
119
120
121
122
123enum ieee80211_bss_corrupt_data_flags {
124 IEEE80211_BSS_CORRUPT_BEACON = BIT(0),
125 IEEE80211_BSS_CORRUPT_PROBE_RESP = BIT(1)
126};
127
128
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135
136
137
138
139enum ieee80211_bss_valid_data_flags {
140 IEEE80211_BSS_VALID_WMM = BIT(1),
141 IEEE80211_BSS_VALID_RATES = BIT(2),
142 IEEE80211_BSS_VALID_ERP = BIT(3)
143};
144
145typedef unsigned __bitwise ieee80211_tx_result;
146#define TX_CONTINUE ((__force ieee80211_tx_result) 0u)
147#define TX_DROP ((__force ieee80211_tx_result) 1u)
148#define TX_QUEUED ((__force ieee80211_tx_result) 2u)
149
150#define IEEE80211_TX_UNICAST BIT(1)
151#define IEEE80211_TX_PS_BUFFERED BIT(2)
152
153struct ieee80211_tx_data {
154 struct sk_buff *skb;
155 struct sk_buff_head skbs;
156 struct ieee80211_local *local;
157 struct ieee80211_sub_if_data *sdata;
158 struct sta_info *sta;
159 struct ieee80211_key *key;
160 struct ieee80211_tx_rate rate;
161
162 unsigned int flags;
163};
164
165
166typedef unsigned __bitwise ieee80211_rx_result;
167#define RX_CONTINUE ((__force ieee80211_rx_result) 0u)
168#define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u)
169#define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u)
170#define RX_QUEUED ((__force ieee80211_rx_result) 3u)
171
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179
180
181enum ieee80211_packet_rx_flags {
182 IEEE80211_RX_AMSDU = BIT(3),
183 IEEE80211_RX_MALFORMED_ACTION_FRM = BIT(4),
184 IEEE80211_RX_DEFERRED_RELEASE = BIT(5),
185};
186
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195
196
197enum ieee80211_rx_flags {
198 IEEE80211_RX_CMNTR = BIT(0),
199 IEEE80211_RX_BEACON_REPORTED = BIT(1),
200};
201
202struct ieee80211_rx_data {
203 struct list_head *list;
204 struct sk_buff *skb;
205 struct ieee80211_local *local;
206 struct ieee80211_sub_if_data *sdata;
207 struct sta_info *sta;
208 struct ieee80211_key *key;
209
210 unsigned int flags;
211
212
213
214
215
216
217 int seqno_idx;
218
219
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222
223
224
225 int security_idx;
226
227 union {
228 struct {
229 u32 iv32;
230 u16 iv16;
231 } tkip;
232 struct {
233 u8 pn[IEEE80211_CCMP_PN_LEN];
234 } ccm_gcm;
235 };
236};
237
238struct ieee80211_csa_settings {
239 const u16 *counter_offsets_beacon;
240 const u16 *counter_offsets_presp;
241
242 int n_counter_offsets_beacon;
243 int n_counter_offsets_presp;
244
245 u8 count;
246};
247
248struct ieee80211_color_change_settings {
249 u16 counter_offset_beacon;
250 u16 counter_offset_presp;
251 u8 count;
252};
253
254struct beacon_data {
255 u8 *head, *tail;
256 int head_len, tail_len;
257 struct ieee80211_meshconf_ie *meshconf;
258 u16 cntdwn_counter_offsets[IEEE80211_MAX_CNTDWN_COUNTERS_NUM];
259 u8 cntdwn_current_counter;
260 struct cfg80211_mbssid_elems *mbssid_ies;
261 struct rcu_head rcu_head;
262};
263
264struct probe_resp {
265 struct rcu_head rcu_head;
266 int len;
267 u16 cntdwn_counter_offsets[IEEE80211_MAX_CNTDWN_COUNTERS_NUM];
268 u8 data[];
269};
270
271struct fils_discovery_data {
272 struct rcu_head rcu_head;
273 int len;
274 u8 data[];
275};
276
277struct unsol_bcast_probe_resp_data {
278 struct rcu_head rcu_head;
279 int len;
280 u8 data[];
281};
282
283struct ps_data {
284
285
286
287 u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]
288 __aligned(__alignof__(unsigned long));
289 struct sk_buff_head bc_buf;
290 atomic_t num_sta_ps;
291 int dtim_count;
292 bool dtim_bc_mc;
293};
294
295struct ieee80211_if_ap {
296 struct beacon_data __rcu *beacon;
297 struct probe_resp __rcu *probe_resp;
298 struct fils_discovery_data __rcu *fils_discovery;
299 struct unsol_bcast_probe_resp_data __rcu *unsol_bcast_probe_resp;
300
301
302 struct cfg80211_beacon_data *next_beacon;
303 struct list_head vlans;
304
305 struct ps_data ps;
306 atomic_t num_mcast_sta;
307
308 bool multicast_to_unicast;
309};
310
311struct ieee80211_if_vlan {
312 struct list_head list;
313
314
315 struct sta_info __rcu *sta;
316 atomic_t num_mcast_sta;
317};
318
319struct mesh_stats {
320 __u32 fwded_mcast;
321 __u32 fwded_unicast;
322 __u32 fwded_frames;
323 __u32 dropped_frames_ttl;
324 __u32 dropped_frames_no_route;
325 __u32 dropped_frames_congestion;
326};
327
328#define PREQ_Q_F_START 0x1
329#define PREQ_Q_F_REFRESH 0x2
330struct mesh_preq_queue {
331 struct list_head list;
332 u8 dst[ETH_ALEN];
333 u8 flags;
334};
335
336struct ieee80211_roc_work {
337 struct list_head list;
338
339 struct ieee80211_sub_if_data *sdata;
340
341 struct ieee80211_channel *chan;
342
343 bool started, abort, hw_begun, notified;
344 bool on_channel;
345
346 unsigned long start_time;
347
348 u32 duration, req_duration;
349 struct sk_buff *frame;
350 u64 cookie, mgmt_tx_cookie;
351 enum ieee80211_roc_type type;
352};
353
354
355enum ieee80211_sta_flags {
356 IEEE80211_STA_CONNECTION_POLL = BIT(1),
357 IEEE80211_STA_CONTROL_PORT = BIT(2),
358 IEEE80211_STA_DISABLE_HT = BIT(4),
359 IEEE80211_STA_MFP_ENABLED = BIT(6),
360 IEEE80211_STA_UAPSD_ENABLED = BIT(7),
361 IEEE80211_STA_NULLFUNC_ACKED = BIT(8),
362 IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9),
363 IEEE80211_STA_DISABLE_40MHZ = BIT(10),
364 IEEE80211_STA_DISABLE_VHT = BIT(11),
365 IEEE80211_STA_DISABLE_80P80MHZ = BIT(12),
366 IEEE80211_STA_DISABLE_160MHZ = BIT(13),
367 IEEE80211_STA_DISABLE_WMM = BIT(14),
368 IEEE80211_STA_ENABLE_RRM = BIT(15),
369 IEEE80211_STA_DISABLE_HE = BIT(16),
370 IEEE80211_STA_DISABLE_EHT = BIT(17),
371 IEEE80211_STA_DISABLE_320MHZ = BIT(18),
372};
373
374struct ieee80211_mgd_auth_data {
375 struct cfg80211_bss *bss;
376 unsigned long timeout;
377 int tries;
378 u16 algorithm, expected_transaction;
379
380 u8 key[WLAN_KEY_LEN_WEP104];
381 u8 key_len, key_idx;
382 bool done, waiting;
383 bool peer_confirmed;
384 bool timeout_started;
385
386 u16 sae_trans, sae_status;
387 size_t data_len;
388 u8 data[];
389};
390
391struct ieee80211_mgd_assoc_data {
392 struct cfg80211_bss *bss;
393 const u8 *supp_rates;
394
395 unsigned long timeout;
396 int tries;
397
398 u16 capability;
399 u8 prev_bssid[ETH_ALEN];
400 u8 ssid[IEEE80211_MAX_SSID_LEN];
401 u8 ssid_len;
402 u8 supp_rates_len;
403 bool wmm, uapsd;
404 bool need_beacon;
405 bool synced;
406 bool timeout_started;
407
408 u8 ap_ht_param;
409
410 struct ieee80211_vht_cap ap_vht_cap;
411
412 u8 fils_nonces[2 * FILS_NONCE_LEN];
413 u8 fils_kek[FILS_MAX_KEK_LEN];
414 size_t fils_kek_len;
415
416 size_t ie_len;
417 u8 ie[];
418};
419
420struct ieee80211_sta_tx_tspec {
421
422 unsigned long time_slice_start;
423
424 u32 admitted_time;
425 u8 tsid;
426 s8 up;
427
428
429 u32 consumed_tx_time;
430 enum {
431 TX_TSPEC_ACTION_NONE = 0,
432 TX_TSPEC_ACTION_DOWNGRADE,
433 TX_TSPEC_ACTION_STOP_DOWNGRADE,
434 } action;
435 bool downgraded;
436};
437
438DECLARE_EWMA(beacon_signal, 4, 4)
439
440struct ieee80211_if_managed {
441 struct timer_list timer;
442 struct timer_list conn_mon_timer;
443 struct timer_list bcn_mon_timer;
444 struct timer_list chswitch_timer;
445 struct work_struct monitor_work;
446 struct work_struct chswitch_work;
447 struct work_struct beacon_connection_loss_work;
448 struct work_struct csa_connection_drop_work;
449
450 unsigned long beacon_timeout;
451 unsigned long probe_timeout;
452 int probe_send_count;
453 bool nullfunc_failed;
454 u8 connection_loss:1,
455 driver_disconnect:1,
456 reconnect:1,
457 associated:1;
458
459 struct cfg80211_bss *assoc_bss;
460 struct ieee80211_mgd_auth_data *auth_data;
461 struct ieee80211_mgd_assoc_data *assoc_data;
462
463 u8 bssid[ETH_ALEN] __aligned(2);
464
465 bool powersave;
466 bool broken_ap;
467 bool have_beacon;
468 u8 dtim_period;
469 enum ieee80211_smps_mode req_smps,
470 driver_smps_mode;
471
472 struct work_struct request_smps_work;
473
474 unsigned int flags;
475
476 bool csa_waiting_bcn;
477 bool csa_ignored_same_chan;
478
479 bool beacon_crc_valid;
480 u32 beacon_crc;
481
482 bool status_acked;
483 bool status_received;
484 __le16 status_fc;
485
486 enum {
487 IEEE80211_MFP_DISABLED,
488 IEEE80211_MFP_OPTIONAL,
489 IEEE80211_MFP_REQUIRED
490 } mfp;
491
492
493
494
495
496
497 unsigned int uapsd_queues;
498
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500
501
502
503
504 unsigned int uapsd_max_sp_len;
505
506 int wmm_last_param_set;
507 int mu_edca_last_param_set;
508
509 u8 use_4addr;
510
511 s16 p2p_noa_index;
512
513 struct ewma_beacon_signal ave_beacon_signal;
514
515
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518
519
520 unsigned int count_beacon_signal;
521
522
523 unsigned int beacon_loss_count;
524
525
526
527
528
529
530 int last_cqm_event_signal;
531
532
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535
536
537 int rssi_min_thold, rssi_max_thold;
538 int last_ave_beacon_signal;
539
540 struct ieee80211_ht_cap ht_capa;
541 struct ieee80211_ht_cap ht_capa_mask;
542 struct ieee80211_vht_cap vht_capa;
543 struct ieee80211_vht_cap vht_capa_mask;
544 struct ieee80211_s1g_cap s1g_capa;
545 struct ieee80211_s1g_cap s1g_capa_mask;
546
547
548 u8 tdls_peer[ETH_ALEN] __aligned(2);
549 struct delayed_work tdls_peer_del_work;
550 struct sk_buff *orig_teardown_skb;
551 struct sk_buff *teardown_skb;
552 spinlock_t teardown_lock;
553 bool tdls_chan_switch_prohibited;
554 bool tdls_wider_bw_prohibited;
555
556
557 struct ieee80211_sta_tx_tspec tx_tspec[IEEE80211_NUM_ACS];
558
559
560
561
562
563
564 struct delayed_work tx_tspec_wk;
565
566
567
568
569 u8 *assoc_req_ies;
570 size_t assoc_req_ies_len;
571};
572
573struct ieee80211_if_ibss {
574 struct timer_list timer;
575 struct work_struct csa_connection_drop_work;
576
577 unsigned long last_scan_completed;
578
579 u32 basic_rates;
580
581 bool fixed_bssid;
582 bool fixed_channel;
583 bool privacy;
584
585 bool control_port;
586 bool userspace_handles_dfs;
587
588 u8 bssid[ETH_ALEN] __aligned(2);
589 u8 ssid[IEEE80211_MAX_SSID_LEN];
590 u8 ssid_len, ie_len;
591 u8 *ie;
592 struct cfg80211_chan_def chandef;
593
594 unsigned long ibss_join_req;
595
596 struct beacon_data __rcu *presp;
597
598 struct ieee80211_ht_cap ht_capa;
599 struct ieee80211_ht_cap ht_capa_mask;
600
601 spinlock_t incomplete_lock;
602 struct list_head incomplete_stations;
603
604 enum {
605 IEEE80211_IBSS_MLME_SEARCH,
606 IEEE80211_IBSS_MLME_JOINED,
607 } state;
608};
609
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618
619struct ieee80211_if_ocb {
620 struct timer_list housekeeping_timer;
621 unsigned long wrkq_flags;
622
623 spinlock_t incomplete_lock;
624 struct list_head incomplete_stations;
625
626 bool joined;
627};
628
629
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631
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635
636struct ieee802_11_elems;
637struct ieee80211_mesh_sync_ops {
638 void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata, u16 stype,
639 struct ieee80211_mgmt *mgmt, unsigned int len,
640 const struct ieee80211_meshconf_ie *mesh_cfg,
641 struct ieee80211_rx_status *rx_status);
642
643
644 void (*adjust_tsf)(struct ieee80211_sub_if_data *sdata,
645 struct beacon_data *beacon);
646
647};
648
649struct mesh_csa_settings {
650 struct rcu_head rcu_head;
651 struct cfg80211_csa_settings settings;
652};
653
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664
665struct mesh_table {
666 struct hlist_head known_gates;
667 spinlock_t gates_lock;
668 struct rhashtable rhead;
669 struct hlist_head walk_head;
670 spinlock_t walk_lock;
671 atomic_t entries;
672};
673
674struct ieee80211_if_mesh {
675 struct timer_list housekeeping_timer;
676 struct timer_list mesh_path_timer;
677 struct timer_list mesh_path_root_timer;
678
679 unsigned long wrkq_flags;
680 unsigned long mbss_changed;
681
682 bool userspace_handles_dfs;
683
684 u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN];
685 size_t mesh_id_len;
686
687 u8 mesh_pp_id;
688
689 u8 mesh_pm_id;
690
691 u8 mesh_cc_id;
692
693 u8 mesh_sp_id;
694
695 u8 mesh_auth_id;
696
697 u32 sn;
698
699 u32 preq_id;
700 atomic_t mpaths;
701
702 unsigned long last_sn_update;
703
704 unsigned long next_perr;
705
706 unsigned long last_preq;
707 struct mesh_rmc *rmc;
708 spinlock_t mesh_preq_queue_lock;
709 struct mesh_preq_queue preq_queue;
710 int preq_queue_len;
711 struct mesh_stats mshstats;
712 struct mesh_config mshcfg;
713 atomic_t estab_plinks;
714 u32 mesh_seqnum;
715 bool accepting_plinks;
716 int num_gates;
717 struct beacon_data __rcu *beacon;
718 const u8 *ie;
719 u8 ie_len;
720 enum {
721 IEEE80211_MESH_SEC_NONE = 0x0,
722 IEEE80211_MESH_SEC_AUTHED = 0x1,
723 IEEE80211_MESH_SEC_SECURED = 0x2,
724 } security;
725 bool user_mpm;
726
727 const struct ieee80211_mesh_sync_ops *sync_ops;
728 s64 sync_offset_clockdrift_max;
729 spinlock_t sync_offset_lock;
730
731 enum nl80211_mesh_power_mode nonpeer_pm;
732 int ps_peers_light_sleep;
733 int ps_peers_deep_sleep;
734 struct ps_data ps;
735
736 struct mesh_csa_settings __rcu *csa;
737 enum {
738 IEEE80211_MESH_CSA_ROLE_NONE,
739 IEEE80211_MESH_CSA_ROLE_INIT,
740 IEEE80211_MESH_CSA_ROLE_REPEATER,
741 } csa_role;
742 u8 chsw_ttl;
743 u16 pre_value;
744
745
746 int meshconf_offset;
747
748 struct mesh_table mesh_paths;
749 struct mesh_table mpp_paths;
750 int mesh_paths_generation;
751 int mpp_paths_generation;
752};
753
754#ifdef CONFIG_MAC80211_MESH
755#define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \
756 do { (msh)->mshstats.name++; } while (0)
757#else
758#define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \
759 do { } while (0)
760#endif
761
762
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774
775enum ieee80211_sub_if_data_flags {
776 IEEE80211_SDATA_ALLMULTI = BIT(0),
777 IEEE80211_SDATA_OPERATING_GMODE = BIT(2),
778 IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3),
779 IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4),
780 IEEE80211_SDATA_IN_DRIVER = BIT(5),
781 IEEE80211_SDATA_DISCONNECT_HW_RESTART = BIT(6),
782};
783
784
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787
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789
790
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792
793
794enum ieee80211_sdata_state_bits {
795 SDATA_STATE_RUNNING,
796 SDATA_STATE_OFFCHANNEL,
797 SDATA_STATE_OFFCHANNEL_BEACON_STOPPED,
798};
799
800
801
802
803
804
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807
808
809enum ieee80211_chanctx_mode {
810 IEEE80211_CHANCTX_SHARED,
811 IEEE80211_CHANCTX_EXCLUSIVE
812};
813
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815
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819
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825
826enum ieee80211_chanctx_replace_state {
827 IEEE80211_CHANCTX_REPLACE_NONE,
828 IEEE80211_CHANCTX_WILL_BE_REPLACED,
829 IEEE80211_CHANCTX_REPLACES_OTHER,
830};
831
832struct ieee80211_chanctx {
833 struct list_head list;
834 struct rcu_head rcu_head;
835
836 struct list_head assigned_vifs;
837 struct list_head reserved_vifs;
838
839 enum ieee80211_chanctx_replace_state replace_state;
840 struct ieee80211_chanctx *replace_ctx;
841
842 enum ieee80211_chanctx_mode mode;
843 bool driver_present;
844
845 struct ieee80211_chanctx_conf conf;
846};
847
848struct mac80211_qos_map {
849 struct cfg80211_qos_map qos_map;
850 struct rcu_head rcu_head;
851};
852
853enum txq_info_flags {
854 IEEE80211_TXQ_STOP,
855 IEEE80211_TXQ_AMPDU,
856 IEEE80211_TXQ_NO_AMSDU,
857 IEEE80211_TXQ_STOP_NETIF_TX,
858};
859
860
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863
864
865
866
867
868
869
870struct txq_info {
871 struct fq_tin tin;
872 struct codel_vars def_cvars;
873 struct codel_stats cstats;
874 struct rb_node schedule_order;
875
876 struct sk_buff_head frags;
877 unsigned long flags;
878
879
880 struct ieee80211_txq txq;
881};
882
883struct ieee80211_if_mntr {
884 u32 flags;
885 u8 mu_follow_addr[ETH_ALEN] __aligned(2);
886
887 struct list_head list;
888};
889
890
891
892
893
894
895
896struct ieee80211_if_nan {
897 struct cfg80211_nan_conf conf;
898
899
900 spinlock_t func_lock;
901 struct idr function_inst_ids;
902};
903
904struct ieee80211_sub_if_data {
905 struct list_head list;
906
907 struct wireless_dev wdev;
908
909
910 struct list_head key_list;
911
912
913 int crypto_tx_tailroom_needed_cnt;
914 int crypto_tx_tailroom_pending_dec;
915 struct delayed_work dec_tailroom_needed_wk;
916
917 struct net_device *dev;
918 struct ieee80211_local *local;
919
920 unsigned int flags;
921
922 unsigned long state;
923
924 char name[IFNAMSIZ];
925
926 struct ieee80211_fragment_cache frags;
927
928
929 u16 noack_map;
930
931
932 u8 wmm_acm;
933
934 struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS +
935 NUM_DEFAULT_MGMT_KEYS +
936 NUM_DEFAULT_BEACON_KEYS];
937 struct ieee80211_key __rcu *default_unicast_key;
938 struct ieee80211_key __rcu *default_multicast_key;
939 struct ieee80211_key __rcu *default_mgmt_key;
940 struct ieee80211_key __rcu *default_beacon_key;
941
942 u16 sequence_number;
943 __be16 control_port_protocol;
944 bool control_port_no_encrypt;
945 bool control_port_no_preauth;
946 bool control_port_over_nl80211;
947 int encrypt_headroom;
948
949 atomic_t num_tx_queued;
950 struct ieee80211_tx_queue_params tx_conf[IEEE80211_NUM_ACS];
951 struct mac80211_qos_map __rcu *qos_map;
952
953 struct airtime_info airtime[IEEE80211_NUM_ACS];
954
955 struct work_struct csa_finalize_work;
956 bool csa_block_tx;
957 struct cfg80211_chan_def csa_chandef;
958
959 struct work_struct color_change_finalize_work;
960
961 struct list_head assigned_chanctx_list;
962 struct list_head reserved_chanctx_list;
963
964
965 struct ieee80211_chanctx *reserved_chanctx;
966 struct cfg80211_chan_def reserved_chandef;
967 bool reserved_radar_required;
968 bool reserved_ready;
969
970
971 struct work_struct recalc_smps;
972
973 struct work_struct work;
974 struct sk_buff_head skb_queue;
975 struct sk_buff_head status_queue;
976
977 u8 needed_rx_chains;
978 enum ieee80211_smps_mode smps_mode;
979
980 int user_power_level;
981 int ap_power_level;
982
983 bool radar_required;
984 struct delayed_work dfs_cac_timer_work;
985
986
987
988
989
990
991 struct ieee80211_if_ap *bss;
992
993
994 u32 rc_rateidx_mask[NUM_NL80211_BANDS];
995
996 bool rc_has_mcs_mask[NUM_NL80211_BANDS];
997 u8 rc_rateidx_mcs_mask[NUM_NL80211_BANDS][IEEE80211_HT_MCS_MASK_LEN];
998
999 bool rc_has_vht_mcs_mask[NUM_NL80211_BANDS];
1000 u16 rc_rateidx_vht_mcs_mask[NUM_NL80211_BANDS][NL80211_VHT_NSS_MAX];
1001
1002
1003 u32 beacon_rateidx_mask[NUM_NL80211_BANDS];
1004 bool beacon_rate_set;
1005
1006 union {
1007 struct ieee80211_if_ap ap;
1008 struct ieee80211_if_vlan vlan;
1009 struct ieee80211_if_managed mgd;
1010 struct ieee80211_if_ibss ibss;
1011 struct ieee80211_if_mesh mesh;
1012 struct ieee80211_if_ocb ocb;
1013 struct ieee80211_if_mntr mntr;
1014 struct ieee80211_if_nan nan;
1015 } u;
1016
1017#ifdef CONFIG_MAC80211_DEBUGFS
1018 struct {
1019 struct dentry *subdir_stations;
1020 struct dentry *default_unicast_key;
1021 struct dentry *default_multicast_key;
1022 struct dentry *default_mgmt_key;
1023 struct dentry *default_beacon_key;
1024 } debugfs;
1025#endif
1026
1027
1028 struct ieee80211_vif vif;
1029};
1030
1031static inline
1032struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p)
1033{
1034 return container_of(p, struct ieee80211_sub_if_data, vif);
1035}
1036
1037static inline void sdata_lock(struct ieee80211_sub_if_data *sdata)
1038 __acquires(&sdata->wdev.mtx)
1039{
1040 mutex_lock(&sdata->wdev.mtx);
1041 __acquire(&sdata->wdev.mtx);
1042}
1043
1044static inline void sdata_unlock(struct ieee80211_sub_if_data *sdata)
1045 __releases(&sdata->wdev.mtx)
1046{
1047 mutex_unlock(&sdata->wdev.mtx);
1048 __release(&sdata->wdev.mtx);
1049}
1050
1051#define sdata_dereference(p, sdata) \
1052 rcu_dereference_protected(p, lockdep_is_held(&sdata->wdev.mtx))
1053
1054static inline void
1055sdata_assert_lock(struct ieee80211_sub_if_data *sdata)
1056{
1057 lockdep_assert_held(&sdata->wdev.mtx);
1058}
1059
1060static inline int
1061ieee80211_chandef_get_shift(struct cfg80211_chan_def *chandef)
1062{
1063 switch (chandef->width) {
1064 case NL80211_CHAN_WIDTH_5:
1065 return 2;
1066 case NL80211_CHAN_WIDTH_10:
1067 return 1;
1068 default:
1069 return 0;
1070 }
1071}
1072
1073static inline int
1074ieee80211_vif_get_shift(struct ieee80211_vif *vif)
1075{
1076 struct ieee80211_chanctx_conf *chanctx_conf;
1077 int shift = 0;
1078
1079 rcu_read_lock();
1080 chanctx_conf = rcu_dereference(vif->chanctx_conf);
1081 if (chanctx_conf)
1082 shift = ieee80211_chandef_get_shift(&chanctx_conf->def);
1083 rcu_read_unlock();
1084
1085 return shift;
1086}
1087
1088static inline int
1089ieee80211_get_mbssid_beacon_len(struct cfg80211_mbssid_elems *elems)
1090{
1091 int i, len = 0;
1092
1093 if (!elems)
1094 return 0;
1095
1096 for (i = 0; i < elems->cnt; i++)
1097 len += elems->elem[i].len;
1098
1099 return len;
1100}
1101
1102enum {
1103 IEEE80211_RX_MSG = 1,
1104 IEEE80211_TX_STATUS_MSG = 2,
1105};
1106
1107enum queue_stop_reason {
1108 IEEE80211_QUEUE_STOP_REASON_DRIVER,
1109 IEEE80211_QUEUE_STOP_REASON_PS,
1110 IEEE80211_QUEUE_STOP_REASON_CSA,
1111 IEEE80211_QUEUE_STOP_REASON_AGGREGATION,
1112 IEEE80211_QUEUE_STOP_REASON_SUSPEND,
1113 IEEE80211_QUEUE_STOP_REASON_SKB_ADD,
1114 IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL,
1115 IEEE80211_QUEUE_STOP_REASON_FLUSH,
1116 IEEE80211_QUEUE_STOP_REASON_TDLS_TEARDOWN,
1117 IEEE80211_QUEUE_STOP_REASON_RESERVE_TID,
1118 IEEE80211_QUEUE_STOP_REASON_IFTYPE_CHANGE,
1119
1120 IEEE80211_QUEUE_STOP_REASONS,
1121};
1122
1123#ifdef CONFIG_MAC80211_LEDS
1124struct tpt_led_trigger {
1125 char name[32];
1126 const struct ieee80211_tpt_blink *blink_table;
1127 unsigned int blink_table_len;
1128 struct timer_list timer;
1129 struct ieee80211_local *local;
1130 unsigned long prev_traffic;
1131 unsigned long tx_bytes, rx_bytes;
1132 unsigned int active, want;
1133 bool running;
1134};
1135#endif
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156enum {
1157 SCAN_SW_SCANNING,
1158 SCAN_HW_SCANNING,
1159 SCAN_ONCHANNEL_SCANNING,
1160 SCAN_COMPLETED,
1161 SCAN_ABORTED,
1162 SCAN_HW_CANCELLED,
1163 SCAN_BEACON_WAIT,
1164 SCAN_BEACON_DONE,
1165};
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180enum mac80211_scan_state {
1181 SCAN_DECISION,
1182 SCAN_SET_CHANNEL,
1183 SCAN_SEND_PROBE,
1184 SCAN_SUSPEND,
1185 SCAN_RESUME,
1186 SCAN_ABORT,
1187};
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214struct airtime_sched_info {
1215 spinlock_t lock;
1216 struct rb_root_cached active_txqs;
1217 struct rb_node *schedule_pos;
1218 struct list_head active_list;
1219 u64 last_weight_update;
1220 u64 last_schedule_activity;
1221 u64 v_t;
1222 u64 weight_sum;
1223 u64 weight_sum_reciprocal;
1224 u32 aql_txq_limit_low;
1225 u32 aql_txq_limit_high;
1226};
1227DECLARE_STATIC_KEY_FALSE(aql_disable);
1228
1229struct ieee80211_local {
1230
1231
1232
1233 struct ieee80211_hw hw;
1234
1235 struct fq fq;
1236 struct codel_vars *cvars;
1237 struct codel_params cparams;
1238
1239
1240 struct airtime_sched_info airtime[IEEE80211_NUM_ACS];
1241 u16 airtime_flags;
1242 u32 aql_threshold;
1243 atomic_t aql_total_pending_airtime;
1244
1245 const struct ieee80211_ops *ops;
1246
1247
1248
1249
1250
1251 struct workqueue_struct *workqueue;
1252
1253 unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES];
1254 int q_stop_reasons[IEEE80211_MAX_QUEUES][IEEE80211_QUEUE_STOP_REASONS];
1255
1256 spinlock_t queue_stop_reason_lock;
1257
1258 int open_count;
1259 int monitors, cooked_mntrs;
1260
1261 int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll,
1262 fif_probe_req;
1263 bool probe_req_reg;
1264 bool rx_mcast_action_reg;
1265 unsigned int filter_flags;
1266
1267 bool wiphy_ciphers_allocated;
1268
1269 bool use_chanctx;
1270
1271
1272 spinlock_t filter_lock;
1273
1274
1275 struct work_struct reconfig_filter;
1276
1277
1278 struct netdev_hw_addr_list mc_list;
1279
1280 bool tim_in_locked_section;
1281
1282
1283
1284
1285
1286
1287
1288 bool suspended;
1289
1290
1291 bool suspending;
1292
1293
1294
1295
1296
1297
1298
1299 bool resuming;
1300
1301
1302
1303
1304
1305 bool quiescing;
1306
1307
1308 bool started;
1309
1310
1311 bool in_reconfig;
1312
1313
1314 bool wowlan;
1315
1316 struct work_struct radar_detected_work;
1317
1318
1319 u8 rx_chains;
1320
1321
1322 u8 sband_allocated;
1323
1324 int tx_headroom;
1325
1326
1327
1328
1329
1330#define IEEE80211_IRQSAFE_QUEUE_LIMIT 128
1331 struct tasklet_struct tasklet;
1332 struct sk_buff_head skb_queue;
1333 struct sk_buff_head skb_queue_unreliable;
1334
1335 spinlock_t rx_path_lock;
1336
1337
1338
1339
1340
1341
1342 struct mutex sta_mtx;
1343 spinlock_t tim_lock;
1344 unsigned long num_sta;
1345 struct list_head sta_list;
1346 struct rhltable sta_hash;
1347 struct timer_list sta_cleanup;
1348 int sta_generation;
1349
1350 struct sk_buff_head pending[IEEE80211_MAX_QUEUES];
1351 struct tasklet_struct tx_pending_tasklet;
1352 struct tasklet_struct wake_txqs_tasklet;
1353
1354 atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES];
1355
1356
1357 atomic_t iff_allmultis;
1358
1359 struct rate_control_ref *rate_ctrl;
1360
1361 struct arc4_ctx wep_tx_ctx;
1362 struct arc4_ctx wep_rx_ctx;
1363 u32 wep_iv;
1364
1365
1366 struct list_head interfaces;
1367 struct list_head mon_list;
1368 struct mutex iflist_mtx;
1369
1370
1371
1372
1373
1374 struct mutex key_mtx;
1375
1376
1377 struct mutex mtx;
1378
1379
1380 unsigned long scanning;
1381 struct cfg80211_ssid scan_ssid;
1382 struct cfg80211_scan_request *int_scan_req;
1383 struct cfg80211_scan_request __rcu *scan_req;
1384 struct ieee80211_scan_request *hw_scan_req;
1385 struct cfg80211_chan_def scan_chandef;
1386 enum nl80211_band hw_scan_band;
1387 int scan_channel_idx;
1388 int scan_ies_len;
1389 int hw_scan_ies_bufsize;
1390 struct cfg80211_scan_info scan_info;
1391
1392 struct work_struct sched_scan_stopped_work;
1393 struct ieee80211_sub_if_data __rcu *sched_scan_sdata;
1394 struct cfg80211_sched_scan_request __rcu *sched_scan_req;
1395 u8 scan_addr[ETH_ALEN];
1396
1397 unsigned long leave_oper_channel_time;
1398 enum mac80211_scan_state next_scan_state;
1399 struct delayed_work scan_work;
1400 struct ieee80211_sub_if_data __rcu *scan_sdata;
1401
1402 struct cfg80211_chan_def _oper_chandef;
1403
1404
1405 struct ieee80211_channel *tmp_channel;
1406
1407
1408 struct list_head chanctx_list;
1409 struct mutex chanctx_mtx;
1410
1411#ifdef CONFIG_MAC80211_LEDS
1412 struct led_trigger tx_led, rx_led, assoc_led, radio_led;
1413 struct led_trigger tpt_led;
1414 atomic_t tx_led_active, rx_led_active, assoc_led_active;
1415 atomic_t radio_led_active, tpt_led_active;
1416 struct tpt_led_trigger *tpt_led_trigger;
1417#endif
1418
1419#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
1420
1421
1422 u32 dot11TransmittedFragmentCount;
1423 u32 dot11MulticastTransmittedFrameCount;
1424 u32 dot11FailedCount;
1425 u32 dot11RetryCount;
1426 u32 dot11MultipleRetryCount;
1427 u32 dot11FrameDuplicateCount;
1428 u32 dot11ReceivedFragmentCount;
1429 u32 dot11MulticastReceivedFrameCount;
1430 u32 dot11TransmittedFrameCount;
1431
1432
1433 unsigned int tx_handlers_drop;
1434 unsigned int tx_handlers_queued;
1435 unsigned int tx_handlers_drop_wep;
1436 unsigned int tx_handlers_drop_not_assoc;
1437 unsigned int tx_handlers_drop_unauth_port;
1438 unsigned int rx_handlers_drop;
1439 unsigned int rx_handlers_queued;
1440 unsigned int rx_handlers_drop_nullfunc;
1441 unsigned int rx_handlers_drop_defrag;
1442 unsigned int tx_expand_skb_head;
1443 unsigned int tx_expand_skb_head_cloned;
1444 unsigned int rx_expand_skb_head_defrag;
1445 unsigned int rx_handlers_fragments;
1446 unsigned int tx_status_drop;
1447#define I802_DEBUG_INC(c) (c)++
1448#else
1449#define I802_DEBUG_INC(c) do { } while (0)
1450#endif
1451
1452
1453 int total_ps_buffered;
1454
1455
1456
1457 bool pspolling;
1458
1459
1460
1461
1462 struct ieee80211_sub_if_data *ps_sdata;
1463 struct work_struct dynamic_ps_enable_work;
1464 struct work_struct dynamic_ps_disable_work;
1465 struct timer_list dynamic_ps_timer;
1466 struct notifier_block ifa_notifier;
1467 struct notifier_block ifa6_notifier;
1468
1469
1470
1471
1472
1473 int dynamic_ps_forced_timeout;
1474
1475 int user_power_level;
1476
1477 enum ieee80211_smps_mode smps_mode;
1478
1479 struct work_struct restart_work;
1480
1481#ifdef CONFIG_MAC80211_DEBUGFS
1482 struct local_debugfsdentries {
1483 struct dentry *rcdir;
1484 struct dentry *keys;
1485 } debugfs;
1486 bool force_tx_status;
1487#endif
1488
1489
1490
1491
1492 struct delayed_work roc_work;
1493 struct list_head roc_list;
1494 struct work_struct hw_roc_start, hw_roc_done;
1495 unsigned long hw_roc_start_time;
1496 u64 roc_cookie_counter;
1497
1498 struct idr ack_status_frames;
1499 spinlock_t ack_status_lock;
1500
1501 struct ieee80211_sub_if_data __rcu *p2p_sdata;
1502
1503
1504 struct ieee80211_sub_if_data __rcu *monitor_sdata;
1505 struct cfg80211_chan_def monitor_chandef;
1506
1507
1508 u8 ext_capa[8];
1509};
1510
1511static inline struct ieee80211_sub_if_data *
1512IEEE80211_DEV_TO_SUB_IF(const struct net_device *dev)
1513{
1514 return netdev_priv(dev);
1515}
1516
1517static inline struct ieee80211_sub_if_data *
1518IEEE80211_WDEV_TO_SUB_IF(struct wireless_dev *wdev)
1519{
1520 return container_of(wdev, struct ieee80211_sub_if_data, wdev);
1521}
1522
1523static inline struct ieee80211_supported_band *
1524ieee80211_get_sband(struct ieee80211_sub_if_data *sdata)
1525{
1526 struct ieee80211_local *local = sdata->local;
1527 struct ieee80211_chanctx_conf *chanctx_conf;
1528 enum nl80211_band band;
1529
1530 rcu_read_lock();
1531 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
1532
1533 if (!chanctx_conf) {
1534 rcu_read_unlock();
1535 return NULL;
1536 }
1537
1538 band = chanctx_conf->def.chan->band;
1539 rcu_read_unlock();
1540
1541 return local->hw.wiphy->bands[band];
1542}
1543
1544
1545struct ieee80211_csa_ie {
1546 struct cfg80211_chan_def chandef;
1547 u8 mode;
1548 u8 count;
1549 u8 ttl;
1550 u16 pre_value;
1551 u16 reason_code;
1552 u32 max_switch_time;
1553};
1554
1555
1556struct ieee802_11_elems {
1557 const u8 *ie_start;
1558 size_t total_len;
1559 u32 crc;
1560
1561
1562 const struct ieee80211_tdls_lnkie *lnk_id;
1563 const struct ieee80211_ch_switch_timing *ch_sw_timing;
1564 const u8 *ext_capab;
1565 const u8 *ssid;
1566 const u8 *supp_rates;
1567 const u8 *ds_params;
1568 const struct ieee80211_tim_ie *tim;
1569 const u8 *rsn;
1570 const u8 *rsnx;
1571 const u8 *erp_info;
1572 const u8 *ext_supp_rates;
1573 const u8 *wmm_info;
1574 const u8 *wmm_param;
1575 const struct ieee80211_ht_cap *ht_cap_elem;
1576 const struct ieee80211_ht_operation *ht_operation;
1577 const struct ieee80211_vht_cap *vht_cap_elem;
1578 const struct ieee80211_vht_operation *vht_operation;
1579 const struct ieee80211_meshconf_ie *mesh_config;
1580 const u8 *he_cap;
1581 const struct ieee80211_he_operation *he_operation;
1582 const struct ieee80211_he_spr *he_spr;
1583 const struct ieee80211_mu_edca_param_set *mu_edca_param_set;
1584 const struct ieee80211_he_6ghz_capa *he_6ghz_capa;
1585 const struct ieee80211_tx_pwr_env *tx_pwr_env[IEEE80211_TPE_MAX_IE_COUNT];
1586 const u8 *uora_element;
1587 const u8 *mesh_id;
1588 const u8 *peering;
1589 const __le16 *awake_window;
1590 const u8 *preq;
1591 const u8 *prep;
1592 const u8 *perr;
1593 const struct ieee80211_rann_ie *rann;
1594 const struct ieee80211_channel_sw_ie *ch_switch_ie;
1595 const struct ieee80211_ext_chansw_ie *ext_chansw_ie;
1596 const struct ieee80211_wide_bw_chansw_ie *wide_bw_chansw_ie;
1597 const u8 *max_channel_switch_time;
1598 const u8 *country_elem;
1599 const u8 *pwr_constr_elem;
1600 const u8 *cisco_dtpc_elem;
1601 const struct ieee80211_timeout_interval_ie *timeout_int;
1602 const u8 *opmode_notif;
1603 const struct ieee80211_sec_chan_offs_ie *sec_chan_offs;
1604 struct ieee80211_mesh_chansw_params_ie *mesh_chansw_params_ie;
1605 const struct ieee80211_bss_max_idle_period_ie *max_idle_period_ie;
1606 const struct ieee80211_multiple_bssid_configuration *mbssid_config_ie;
1607 const struct ieee80211_bssid_index *bssid_index;
1608 u8 max_bssid_indicator;
1609 u8 dtim_count;
1610 u8 dtim_period;
1611 const struct ieee80211_addba_ext_ie *addba_ext_ie;
1612 const struct ieee80211_s1g_cap *s1g_capab;
1613 const struct ieee80211_s1g_oper_ie *s1g_oper;
1614 const struct ieee80211_s1g_bcn_compat_ie *s1g_bcn_compat;
1615 const struct ieee80211_aid_response_ie *aid_resp;
1616 const struct ieee80211_eht_cap_elem *eht_cap;
1617 const struct ieee80211_eht_operation *eht_operation;
1618
1619
1620 u8 ext_capab_len;
1621 u8 ssid_len;
1622 u8 supp_rates_len;
1623 u8 tim_len;
1624 u8 rsn_len;
1625 u8 rsnx_len;
1626 u8 ext_supp_rates_len;
1627 u8 wmm_info_len;
1628 u8 wmm_param_len;
1629 u8 he_cap_len;
1630 u8 mesh_id_len;
1631 u8 peering_len;
1632 u8 preq_len;
1633 u8 prep_len;
1634 u8 perr_len;
1635 u8 country_elem_len;
1636 u8 bssid_index_len;
1637 u8 tx_pwr_env_len[IEEE80211_TPE_MAX_IE_COUNT];
1638 u8 tx_pwr_env_num;
1639 u8 eht_cap_len;
1640
1641
1642 bool parse_error;
1643};
1644
1645static inline struct ieee80211_local *hw_to_local(
1646 struct ieee80211_hw *hw)
1647{
1648 return container_of(hw, struct ieee80211_local, hw);
1649}
1650
1651static inline struct txq_info *to_txq_info(struct ieee80211_txq *txq)
1652{
1653 return container_of(txq, struct txq_info, txq);
1654}
1655
1656static inline bool txq_has_queue(struct ieee80211_txq *txq)
1657{
1658 struct txq_info *txqi = to_txq_info(txq);
1659
1660 return !(skb_queue_empty(&txqi->frags) && !txqi->tin.backlog_packets);
1661}
1662
1663static inline struct airtime_info *to_airtime_info(struct ieee80211_txq *txq)
1664{
1665 struct ieee80211_sub_if_data *sdata;
1666 struct sta_info *sta;
1667
1668 if (txq->sta) {
1669 sta = container_of(txq->sta, struct sta_info, sta);
1670 return &sta->airtime[txq->ac];
1671 }
1672
1673 sdata = vif_to_sdata(txq->vif);
1674 return &sdata->airtime[txq->ac];
1675}
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692#define IEEE80211_RECIPROCAL_DIVISOR_64 0x100000000ULL
1693#define IEEE80211_RECIPROCAL_SHIFT_64 32
1694#define IEEE80211_RECIPROCAL_DIVISOR_32 0x80000U
1695#define IEEE80211_RECIPROCAL_SHIFT_32 19
1696
1697static inline void airtime_weight_set(struct airtime_info *air_info, u16 weight)
1698{
1699 if (air_info->weight == weight)
1700 return;
1701
1702 air_info->weight = weight;
1703 if (weight) {
1704 air_info->weight_reciprocal =
1705 IEEE80211_RECIPROCAL_DIVISOR_32 / weight;
1706 } else {
1707 air_info->weight_reciprocal = 0;
1708 }
1709}
1710
1711static inline void airtime_weight_sum_set(struct airtime_sched_info *air_sched,
1712 int weight_sum)
1713{
1714 if (air_sched->weight_sum == weight_sum)
1715 return;
1716
1717 air_sched->weight_sum = weight_sum;
1718 if (air_sched->weight_sum) {
1719 air_sched->weight_sum_reciprocal = IEEE80211_RECIPROCAL_DIVISOR_64;
1720 do_div(air_sched->weight_sum_reciprocal, air_sched->weight_sum);
1721 } else {
1722 air_sched->weight_sum_reciprocal = 0;
1723 }
1724}
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749#define AIRTIME_ACTIVE_DURATION (100 * NSEC_PER_MSEC)
1750#define AIRTIME_MAX_BEHIND 20000
1751
1752static inline bool airtime_is_active(struct airtime_info *air_info, u64 now)
1753{
1754 return air_info->last_scheduled >= now - AIRTIME_ACTIVE_DURATION;
1755}
1756
1757static inline void airtime_set_active(struct airtime_sched_info *air_sched,
1758 struct airtime_info *air_info, u64 now)
1759{
1760 air_info->last_scheduled = now;
1761 air_sched->last_schedule_activity = now;
1762 list_move_tail(&air_info->list, &air_sched->active_list);
1763}
1764
1765static inline bool airtime_catchup_v_t(struct airtime_sched_info *air_sched,
1766 u64 v_t, u64 now)
1767{
1768 air_sched->v_t = v_t;
1769 return true;
1770}
1771
1772static inline void init_airtime_info(struct airtime_info *air_info,
1773 struct airtime_sched_info *air_sched)
1774{
1775 atomic_set(&air_info->aql_tx_pending, 0);
1776 air_info->aql_limit_low = air_sched->aql_txq_limit_low;
1777 air_info->aql_limit_high = air_sched->aql_txq_limit_high;
1778 airtime_weight_set(air_info, IEEE80211_DEFAULT_AIRTIME_WEIGHT);
1779 INIT_LIST_HEAD(&air_info->list);
1780}
1781
1782static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr)
1783{
1784 return ether_addr_equal(raddr, addr) ||
1785 is_broadcast_ether_addr(raddr);
1786}
1787
1788static inline bool
1789ieee80211_have_rx_timestamp(struct ieee80211_rx_status *status)
1790{
1791 WARN_ON_ONCE(status->flag & RX_FLAG_MACTIME_START &&
1792 status->flag & RX_FLAG_MACTIME_END);
1793 return !!(status->flag & (RX_FLAG_MACTIME_START | RX_FLAG_MACTIME_END |
1794 RX_FLAG_MACTIME_PLCP_START));
1795}
1796
1797void ieee80211_vif_inc_num_mcast(struct ieee80211_sub_if_data *sdata);
1798void ieee80211_vif_dec_num_mcast(struct ieee80211_sub_if_data *sdata);
1799
1800
1801
1802
1803
1804static inline int
1805ieee80211_vif_get_num_mcast_if(struct ieee80211_sub_if_data *sdata)
1806{
1807 if (sdata->vif.type == NL80211_IFTYPE_AP)
1808 return atomic_read(&sdata->u.ap.num_mcast_sta);
1809 if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN && !sdata->u.vlan.sta)
1810 return atomic_read(&sdata->u.vlan.num_mcast_sta);
1811 return -1;
1812}
1813
1814u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local,
1815 struct ieee80211_rx_status *status,
1816 unsigned int mpdu_len,
1817 unsigned int mpdu_offset);
1818int ieee80211_hw_config(struct ieee80211_local *local, u32 changed);
1819void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx);
1820void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
1821 u32 changed);
1822void ieee80211_configure_filter(struct ieee80211_local *local);
1823u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata);
1824
1825u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local);
1826int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
1827 u64 *cookie, gfp_t gfp);
1828
1829void ieee80211_check_fast_rx(struct sta_info *sta);
1830void __ieee80211_check_fast_rx_iface(struct ieee80211_sub_if_data *sdata);
1831void ieee80211_check_fast_rx_iface(struct ieee80211_sub_if_data *sdata);
1832void ieee80211_clear_fast_rx(struct sta_info *sta);
1833
1834
1835void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata);
1836int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
1837 struct cfg80211_auth_request *req);
1838int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
1839 struct cfg80211_assoc_request *req);
1840int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
1841 struct cfg80211_deauth_request *req);
1842int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata,
1843 struct cfg80211_disassoc_request *req);
1844void ieee80211_send_pspoll(struct ieee80211_local *local,
1845 struct ieee80211_sub_if_data *sdata);
1846void ieee80211_recalc_ps(struct ieee80211_local *local);
1847void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data *sdata);
1848int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata);
1849void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata);
1850void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
1851 struct sk_buff *skb);
1852void ieee80211_sta_rx_queued_ext(struct ieee80211_sub_if_data *sdata,
1853 struct sk_buff *skb);
1854void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata);
1855void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata);
1856void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata);
1857void ieee80211_mgd_conn_tx_status(struct ieee80211_sub_if_data *sdata,
1858 __le16 fc, bool acked);
1859void ieee80211_mgd_quiesce(struct ieee80211_sub_if_data *sdata);
1860void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata);
1861void ieee80211_sta_handle_tspec_ac_params(struct ieee80211_sub_if_data *sdata);
1862void ieee80211_sta_connection_lost(struct ieee80211_sub_if_data *sdata,
1863 u8 reason, bool tx);
1864
1865
1866void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local);
1867void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata);
1868void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata,
1869 const u8 *bssid, const u8 *addr, u32 supp_rates);
1870int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
1871 struct cfg80211_ibss_params *params);
1872int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata);
1873void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata);
1874void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
1875 struct sk_buff *skb);
1876int ieee80211_ibss_csa_beacon(struct ieee80211_sub_if_data *sdata,
1877 struct cfg80211_csa_settings *csa_settings);
1878int ieee80211_ibss_finish_csa(struct ieee80211_sub_if_data *sdata);
1879void ieee80211_ibss_stop(struct ieee80211_sub_if_data *sdata);
1880
1881
1882void ieee80211_ocb_work(struct ieee80211_sub_if_data *sdata);
1883void ieee80211_ocb_rx_no_sta(struct ieee80211_sub_if_data *sdata,
1884 const u8 *bssid, const u8 *addr, u32 supp_rates);
1885void ieee80211_ocb_setup_sdata(struct ieee80211_sub_if_data *sdata);
1886int ieee80211_ocb_join(struct ieee80211_sub_if_data *sdata,
1887 struct ocb_setup *setup);
1888int ieee80211_ocb_leave(struct ieee80211_sub_if_data *sdata);
1889
1890
1891void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata);
1892void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
1893 struct sk_buff *skb);
1894int ieee80211_mesh_csa_beacon(struct ieee80211_sub_if_data *sdata,
1895 struct cfg80211_csa_settings *csa_settings);
1896int ieee80211_mesh_finish_csa(struct ieee80211_sub_if_data *sdata);
1897
1898
1899void ieee80211_scan_work(struct work_struct *work);
1900int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data *sdata,
1901 const u8 *ssid, u8 ssid_len,
1902 struct ieee80211_channel **channels,
1903 unsigned int n_channels,
1904 enum nl80211_bss_scan_width scan_width);
1905int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata,
1906 struct cfg80211_scan_request *req);
1907void ieee80211_scan_cancel(struct ieee80211_local *local);
1908void ieee80211_run_deferred_scan(struct ieee80211_local *local);
1909void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb);
1910
1911void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local);
1912struct ieee80211_bss *
1913ieee80211_bss_info_update(struct ieee80211_local *local,
1914 struct ieee80211_rx_status *rx_status,
1915 struct ieee80211_mgmt *mgmt,
1916 size_t len,
1917 struct ieee80211_channel *channel);
1918void ieee80211_rx_bss_put(struct ieee80211_local *local,
1919 struct ieee80211_bss *bss);
1920
1921
1922int
1923__ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
1924 struct cfg80211_sched_scan_request *req);
1925int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
1926 struct cfg80211_sched_scan_request *req);
1927int ieee80211_request_sched_scan_stop(struct ieee80211_local *local);
1928void ieee80211_sched_scan_end(struct ieee80211_local *local);
1929void ieee80211_sched_scan_stopped_work(struct work_struct *work);
1930
1931
1932void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local);
1933void ieee80211_offchannel_return(struct ieee80211_local *local);
1934void ieee80211_roc_setup(struct ieee80211_local *local);
1935void ieee80211_start_next_roc(struct ieee80211_local *local);
1936void ieee80211_roc_purge(struct ieee80211_local *local,
1937 struct ieee80211_sub_if_data *sdata);
1938int ieee80211_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
1939 struct ieee80211_channel *chan,
1940 unsigned int duration, u64 *cookie);
1941int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
1942 struct wireless_dev *wdev, u64 cookie);
1943int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
1944 struct cfg80211_mgmt_tx_params *params, u64 *cookie);
1945int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
1946 struct wireless_dev *wdev, u64 cookie);
1947
1948
1949void ieee80211_csa_finalize_work(struct work_struct *work);
1950int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
1951 struct cfg80211_csa_settings *params);
1952
1953
1954void ieee80211_color_change_finalize_work(struct work_struct *work);
1955
1956
1957#define MAC80211_SUPPORTED_FEATURES_TX (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | \
1958 NETIF_F_HW_CSUM | NETIF_F_SG | \
1959 NETIF_F_HIGHDMA | NETIF_F_GSO_SOFTWARE)
1960#define MAC80211_SUPPORTED_FEATURES_RX (NETIF_F_RXCSUM)
1961#define MAC80211_SUPPORTED_FEATURES (MAC80211_SUPPORTED_FEATURES_TX | \
1962 MAC80211_SUPPORTED_FEATURES_RX)
1963
1964int ieee80211_iface_init(void);
1965void ieee80211_iface_exit(void);
1966int ieee80211_if_add(struct ieee80211_local *local, const char *name,
1967 unsigned char name_assign_type,
1968 struct wireless_dev **new_wdev, enum nl80211_iftype type,
1969 struct vif_params *params);
1970int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata,
1971 enum nl80211_iftype type);
1972void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata);
1973void ieee80211_remove_interfaces(struct ieee80211_local *local);
1974u32 ieee80211_idle_off(struct ieee80211_local *local);
1975void ieee80211_recalc_idle(struct ieee80211_local *local);
1976void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata,
1977 const int offset);
1978int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up);
1979void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata);
1980int ieee80211_add_virtual_monitor(struct ieee80211_local *local);
1981void ieee80211_del_virtual_monitor(struct ieee80211_local *local);
1982
1983bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata);
1984void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata,
1985 bool update_bss);
1986void ieee80211_recalc_offload(struct ieee80211_local *local);
1987
1988static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata)
1989{
1990 return test_bit(SDATA_STATE_RUNNING, &sdata->state);
1991}
1992
1993
1994void ieee80211_clear_tx_pending(struct ieee80211_local *local);
1995void ieee80211_tx_pending(struct tasklet_struct *t);
1996netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb,
1997 struct net_device *dev);
1998netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
1999 struct net_device *dev);
2000netdev_tx_t ieee80211_subif_start_xmit_8023(struct sk_buff *skb,
2001 struct net_device *dev);
2002void __ieee80211_subif_start_xmit(struct sk_buff *skb,
2003 struct net_device *dev,
2004 u32 info_flags,
2005 u32 ctrl_flags,
2006 u64 *cookie);
2007void ieee80211_purge_tx_queue(struct ieee80211_hw *hw,
2008 struct sk_buff_head *skbs);
2009struct sk_buff *
2010ieee80211_build_data_template(struct ieee80211_sub_if_data *sdata,
2011 struct sk_buff *skb, u32 info_flags);
2012void ieee80211_tx_monitor(struct ieee80211_local *local, struct sk_buff *skb,
2013 struct ieee80211_supported_band *sband,
2014 int retry_count, int shift, bool send_to_cooked,
2015 struct ieee80211_tx_status *status);
2016
2017void ieee80211_check_fast_xmit(struct sta_info *sta);
2018void ieee80211_check_fast_xmit_all(struct ieee80211_local *local);
2019void ieee80211_check_fast_xmit_iface(struct ieee80211_sub_if_data *sdata);
2020void ieee80211_clear_fast_xmit(struct sta_info *sta);
2021int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev,
2022 const u8 *buf, size_t len,
2023 const u8 *dest, __be16 proto, bool unencrypted,
2024 u64 *cookie);
2025int ieee80211_probe_mesh_link(struct wiphy *wiphy, struct net_device *dev,
2026 const u8 *buf, size_t len);
2027void ieee80211_resort_txq(struct ieee80211_hw *hw,
2028 struct ieee80211_txq *txq);
2029void ieee80211_unschedule_txq(struct ieee80211_hw *hw,
2030 struct ieee80211_txq *txq,
2031 bool purge);
2032void ieee80211_update_airtime_weight(struct ieee80211_local *local,
2033 struct airtime_sched_info *air_sched,
2034 u64 now, bool force);
2035
2036
2037void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata,
2038 struct ieee80211_sta_ht_cap *ht_cap);
2039bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata,
2040 struct ieee80211_supported_band *sband,
2041 const struct ieee80211_ht_cap *ht_cap_ie,
2042 struct sta_info *sta);
2043void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata,
2044 const u8 *da, u16 tid,
2045 u16 initiator, u16 reason_code);
2046int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata,
2047 enum ieee80211_smps_mode smps, const u8 *da,
2048 const u8 *bssid);
2049void ieee80211_request_smps_ap_work(struct work_struct *work);
2050void ieee80211_request_smps_mgd_work(struct work_struct *work);
2051bool ieee80211_smps_is_restrictive(enum ieee80211_smps_mode smps_mode_old,
2052 enum ieee80211_smps_mode smps_mode_new);
2053
2054void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
2055 u16 initiator, u16 reason, bool stop);
2056void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
2057 u16 initiator, u16 reason, bool stop);
2058void ___ieee80211_start_rx_ba_session(struct sta_info *sta,
2059 u8 dialog_token, u16 timeout,
2060 u16 start_seq_num, u16 ba_policy, u16 tid,
2061 u16 buf_size, bool tx, bool auto_seq,
2062 const struct ieee80211_addba_ext_ie *addbaext);
2063void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta,
2064 enum ieee80211_agg_stop_reason reason);
2065void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata,
2066 struct sta_info *sta,
2067 struct ieee80211_mgmt *mgmt, size_t len);
2068void ieee80211_process_addba_resp(struct ieee80211_local *local,
2069 struct sta_info *sta,
2070 struct ieee80211_mgmt *mgmt,
2071 size_t len);
2072void ieee80211_process_addba_request(struct ieee80211_local *local,
2073 struct sta_info *sta,
2074 struct ieee80211_mgmt *mgmt,
2075 size_t len);
2076
2077int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
2078 enum ieee80211_agg_stop_reason reason);
2079int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
2080 enum ieee80211_agg_stop_reason reason);
2081void ieee80211_start_tx_ba_cb(struct sta_info *sta, int tid,
2082 struct tid_ampdu_tx *tid_tx);
2083void ieee80211_stop_tx_ba_cb(struct sta_info *sta, int tid,
2084 struct tid_ampdu_tx *tid_tx);
2085void ieee80211_ba_session_work(struct work_struct *work);
2086void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid);
2087void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid);
2088
2089u8 ieee80211_mcs_to_chains(const struct ieee80211_mcs_info *mcs);
2090enum nl80211_smps_mode
2091ieee80211_smps_mode_to_smps_mode(enum ieee80211_smps_mode smps);
2092
2093
2094void
2095ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata,
2096 struct ieee80211_supported_band *sband,
2097 const struct ieee80211_vht_cap *vht_cap_ie,
2098 struct sta_info *sta);
2099enum ieee80211_sta_rx_bandwidth ieee80211_sta_cap_rx_bw(struct sta_info *sta);
2100enum ieee80211_sta_rx_bandwidth ieee80211_sta_cur_vht_bw(struct sta_info *sta);
2101void ieee80211_sta_set_rx_nss(struct sta_info *sta);
2102enum ieee80211_sta_rx_bandwidth
2103ieee80211_chan_width_to_rx_bw(enum nl80211_chan_width width);
2104enum nl80211_chan_width ieee80211_sta_cap_chan_bw(struct sta_info *sta);
2105void ieee80211_process_mu_groups(struct ieee80211_sub_if_data *sdata,
2106 struct ieee80211_mgmt *mgmt);
2107u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata,
2108 struct sta_info *sta, u8 opmode,
2109 enum nl80211_band band);
2110void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata,
2111 struct sta_info *sta, u8 opmode,
2112 enum nl80211_band band);
2113void ieee80211_apply_vhtcap_overrides(struct ieee80211_sub_if_data *sdata,
2114 struct ieee80211_sta_vht_cap *vht_cap);
2115void ieee80211_get_vht_mask_from_cap(__le16 vht_cap,
2116 u16 vht_mask[NL80211_VHT_NSS_MAX]);
2117enum nl80211_chan_width
2118ieee80211_sta_rx_bw_to_chan_width(struct sta_info *sta);
2119
2120
2121void
2122ieee80211_he_cap_ie_to_sta_he_cap(struct ieee80211_sub_if_data *sdata,
2123 struct ieee80211_supported_band *sband,
2124 const u8 *he_cap_ie, u8 he_cap_len,
2125 const struct ieee80211_he_6ghz_capa *he_6ghz_capa,
2126 struct sta_info *sta);
2127void
2128ieee80211_he_spr_ie_to_bss_conf(struct ieee80211_vif *vif,
2129 const struct ieee80211_he_spr *he_spr_ie_elem);
2130
2131void
2132ieee80211_he_op_ie_to_bss_conf(struct ieee80211_vif *vif,
2133 const struct ieee80211_he_operation *he_op_ie_elem);
2134
2135
2136void ieee80211_s1g_sta_rate_init(struct sta_info *sta);
2137bool ieee80211_s1g_is_twt_setup(struct sk_buff *skb);
2138void ieee80211_s1g_rx_twt_action(struct ieee80211_sub_if_data *sdata,
2139 struct sk_buff *skb);
2140void ieee80211_s1g_status_twt_action(struct ieee80211_sub_if_data *sdata,
2141 struct sk_buff *skb);
2142
2143
2144void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata,
2145 struct ieee80211_mgmt *mgmt,
2146 size_t len);
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata,
2165 struct ieee802_11_elems *elems,
2166 enum nl80211_band current_band,
2167 u32 vht_cap_info,
2168 u32 sta_flags, u8 *bssid,
2169 struct ieee80211_csa_ie *csa_ie);
2170
2171
2172int ieee80211_reconfig(struct ieee80211_local *local);
2173void ieee80211_stop_device(struct ieee80211_local *local);
2174
2175int __ieee80211_suspend(struct ieee80211_hw *hw,
2176 struct cfg80211_wowlan *wowlan);
2177
2178static inline int __ieee80211_resume(struct ieee80211_hw *hw)
2179{
2180 struct ieee80211_local *local = hw_to_local(hw);
2181
2182 WARN(test_bit(SCAN_HW_SCANNING, &local->scanning) &&
2183 !test_bit(SCAN_COMPLETED, &local->scanning),
2184 "%s: resume with hardware scan still in progress\n",
2185 wiphy_name(hw->wiphy));
2186
2187 return ieee80211_reconfig(hw_to_local(hw));
2188}
2189
2190
2191extern const void *const mac80211_wiphy_privid;
2192int ieee80211_frame_duration(enum nl80211_band band, size_t len,
2193 int rate, int erp, int short_preamble,
2194 int shift);
2195void ieee80211_regulatory_limit_wmm_params(struct ieee80211_sub_if_data *sdata,
2196 struct ieee80211_tx_queue_params *qparam,
2197 int ac);
2198void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata,
2199 bool bss_notify, bool enable_qos);
2200void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
2201 struct sta_info *sta, struct sk_buff *skb);
2202
2203void __ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata,
2204 struct sk_buff *skb, int tid,
2205 enum nl80211_band band);
2206
2207
2208int ieee80211_lookup_ra_sta(struct ieee80211_sub_if_data *sdata,
2209 struct sk_buff *skb,
2210 struct sta_info **sta_out);
2211
2212static inline void
2213ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata,
2214 struct sk_buff *skb, int tid,
2215 enum nl80211_band band)
2216{
2217 rcu_read_lock();
2218 __ieee80211_tx_skb_tid_band(sdata, skb, tid, band);
2219 rcu_read_unlock();
2220}
2221
2222static inline void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata,
2223 struct sk_buff *skb, int tid)
2224{
2225 struct ieee80211_chanctx_conf *chanctx_conf;
2226
2227 rcu_read_lock();
2228 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
2229 if (WARN_ON(!chanctx_conf)) {
2230 rcu_read_unlock();
2231 kfree_skb(skb);
2232 return;
2233 }
2234
2235 __ieee80211_tx_skb_tid_band(sdata, skb, tid,
2236 chanctx_conf->def.chan->band);
2237 rcu_read_unlock();
2238}
2239
2240static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata,
2241 struct sk_buff *skb)
2242{
2243
2244 ieee80211_tx_skb_tid(sdata, skb, 7);
2245}
2246
2247struct ieee802_11_elems *ieee802_11_parse_elems_crc(const u8 *start, size_t len,
2248 bool action,
2249 u64 filter, u32 crc,
2250 const u8 *transmitter_bssid,
2251 const u8 *bss_bssid);
2252static inline struct ieee802_11_elems *
2253ieee802_11_parse_elems(const u8 *start, size_t len, bool action,
2254 const u8 *transmitter_bssid,
2255 const u8 *bss_bssid)
2256{
2257 return ieee802_11_parse_elems_crc(start, len, action, 0, 0,
2258 transmitter_bssid, bss_bssid);
2259}
2260
2261
2262extern const int ieee802_1d_to_ac[8];
2263
2264static inline int ieee80211_ac_from_tid(int tid)
2265{
2266 return ieee802_1d_to_ac[tid & 7];
2267}
2268
2269void ieee80211_dynamic_ps_enable_work(struct work_struct *work);
2270void ieee80211_dynamic_ps_disable_work(struct work_struct *work);
2271void ieee80211_dynamic_ps_timer(struct timer_list *t);
2272void ieee80211_send_nullfunc(struct ieee80211_local *local,
2273 struct ieee80211_sub_if_data *sdata,
2274 bool powersave);
2275void ieee80211_send_4addr_nullfunc(struct ieee80211_local *local,
2276 struct ieee80211_sub_if_data *sdata);
2277void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata,
2278 struct ieee80211_hdr *hdr, bool ack, u16 tx_time);
2279
2280void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw,
2281 unsigned long queues,
2282 enum queue_stop_reason reason,
2283 bool refcounted);
2284void ieee80211_stop_vif_queues(struct ieee80211_local *local,
2285 struct ieee80211_sub_if_data *sdata,
2286 enum queue_stop_reason reason);
2287void ieee80211_wake_vif_queues(struct ieee80211_local *local,
2288 struct ieee80211_sub_if_data *sdata,
2289 enum queue_stop_reason reason);
2290void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw,
2291 unsigned long queues,
2292 enum queue_stop_reason reason,
2293 bool refcounted);
2294void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue,
2295 enum queue_stop_reason reason,
2296 bool refcounted);
2297void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue,
2298 enum queue_stop_reason reason,
2299 bool refcounted);
2300void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue);
2301void ieee80211_add_pending_skb(struct ieee80211_local *local,
2302 struct sk_buff *skb);
2303void ieee80211_add_pending_skbs(struct ieee80211_local *local,
2304 struct sk_buff_head *skbs);
2305void ieee80211_flush_queues(struct ieee80211_local *local,
2306 struct ieee80211_sub_if_data *sdata, bool drop);
2307void __ieee80211_flush_queues(struct ieee80211_local *local,
2308 struct ieee80211_sub_if_data *sdata,
2309 unsigned int queues, bool drop);
2310
2311static inline bool ieee80211_can_run_worker(struct ieee80211_local *local)
2312{
2313
2314
2315
2316
2317 if (local->in_reconfig)
2318 return false;
2319
2320
2321
2322
2323
2324
2325
2326 if (local->quiescing)
2327 return false;
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342 if (local->suspended)
2343 return false;
2344
2345 return true;
2346}
2347
2348int ieee80211_txq_setup_flows(struct ieee80211_local *local);
2349void ieee80211_txq_set_params(struct ieee80211_local *local);
2350void ieee80211_txq_teardown_flows(struct ieee80211_local *local);
2351void ieee80211_txq_init(struct ieee80211_sub_if_data *sdata,
2352 struct sta_info *sta,
2353 struct txq_info *txq, int tid);
2354void ieee80211_txq_purge(struct ieee80211_local *local,
2355 struct txq_info *txqi);
2356void ieee80211_txq_remove_vlan(struct ieee80211_local *local,
2357 struct ieee80211_sub_if_data *sdata);
2358void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats,
2359 struct txq_info *txqi);
2360void ieee80211_wake_txqs(struct tasklet_struct *t);
2361void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
2362 u16 transaction, u16 auth_alg, u16 status,
2363 const u8 *extra, size_t extra_len, const u8 *bssid,
2364 const u8 *da, const u8 *key, u8 key_len, u8 key_idx,
2365 u32 tx_flags);
2366void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,
2367 const u8 *da, const u8 *bssid,
2368 u16 stype, u16 reason,
2369 bool send_frame, u8 *frame_buf);
2370
2371enum {
2372 IEEE80211_PROBE_FLAG_DIRECTED = BIT(0),
2373 IEEE80211_PROBE_FLAG_MIN_CONTENT = BIT(1),
2374 IEEE80211_PROBE_FLAG_RANDOM_SN = BIT(2),
2375};
2376
2377int ieee80211_build_preq_ies(struct ieee80211_sub_if_data *sdata, u8 *buffer,
2378 size_t buffer_len,
2379 struct ieee80211_scan_ies *ie_desc,
2380 const u8 *ie, size_t ie_len,
2381 u8 bands_used, u32 *rate_masks,
2382 struct cfg80211_chan_def *chandef,
2383 u32 flags);
2384struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
2385 const u8 *src, const u8 *dst,
2386 u32 ratemask,
2387 struct ieee80211_channel *chan,
2388 const u8 *ssid, size_t ssid_len,
2389 const u8 *ie, size_t ie_len,
2390 u32 flags);
2391u32 ieee80211_sta_get_rates(struct ieee80211_sub_if_data *sdata,
2392 struct ieee802_11_elems *elems,
2393 enum nl80211_band band, u32 *basic_rates);
2394int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2395 enum ieee80211_smps_mode smps_mode);
2396void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata);
2397void ieee80211_recalc_min_chandef(struct ieee80211_sub_if_data *sdata);
2398
2399size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset);
2400u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
2401 u16 cap);
2402u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
2403 const struct cfg80211_chan_def *chandef,
2404 u16 prot_mode, bool rifs_mode);
2405void ieee80211_ie_build_wide_bw_cs(u8 *pos,
2406 const struct cfg80211_chan_def *chandef);
2407u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap,
2408 u32 cap);
2409u8 *ieee80211_ie_build_vht_oper(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap,
2410 const struct cfg80211_chan_def *chandef);
2411u8 ieee80211_ie_len_he_cap(struct ieee80211_sub_if_data *sdata, u8 iftype);
2412u8 *ieee80211_ie_build_he_cap(u32 disable_flags, u8 *pos,
2413 const struct ieee80211_sta_he_cap *he_cap,
2414 u8 *end);
2415void ieee80211_ie_build_he_6ghz_cap(struct ieee80211_sub_if_data *sdata,
2416 struct sk_buff *skb);
2417u8 *ieee80211_ie_build_he_oper(u8 *pos, struct cfg80211_chan_def *chandef);
2418int ieee80211_parse_bitrates(struct cfg80211_chan_def *chandef,
2419 const struct ieee80211_supported_band *sband,
2420 const u8 *srates, int srates_len, u32 *rates);
2421int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata,
2422 struct sk_buff *skb, bool need_basic,
2423 enum nl80211_band band);
2424int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata,
2425 struct sk_buff *skb, bool need_basic,
2426 enum nl80211_band band);
2427u8 *ieee80211_add_wmm_info_ie(u8 *buf, u8 qosinfo);
2428void ieee80211_add_s1g_capab_ie(struct ieee80211_sub_if_data *sdata,
2429 struct ieee80211_sta_s1g_cap *caps,
2430 struct sk_buff *skb);
2431void ieee80211_add_aid_request_ie(struct ieee80211_sub_if_data *sdata,
2432 struct sk_buff *skb);
2433
2434
2435bool ieee80211_chandef_ht_oper(const struct ieee80211_ht_operation *ht_oper,
2436 struct cfg80211_chan_def *chandef);
2437bool ieee80211_chandef_vht_oper(struct ieee80211_hw *hw, u32 vht_cap_info,
2438 const struct ieee80211_vht_operation *oper,
2439 const struct ieee80211_ht_operation *htop,
2440 struct cfg80211_chan_def *chandef);
2441bool ieee80211_chandef_he_6ghz_oper(struct ieee80211_sub_if_data *sdata,
2442 const struct ieee80211_he_operation *he_oper,
2443 const struct ieee80211_eht_operation *eht_oper,
2444 struct cfg80211_chan_def *chandef);
2445bool ieee80211_chandef_s1g_oper(const struct ieee80211_s1g_oper_ie *oper,
2446 struct cfg80211_chan_def *chandef);
2447u32 ieee80211_chandef_downgrade(struct cfg80211_chan_def *c);
2448
2449int __must_check
2450ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata,
2451 const struct cfg80211_chan_def *chandef,
2452 enum ieee80211_chanctx_mode mode);
2453int __must_check
2454ieee80211_vif_reserve_chanctx(struct ieee80211_sub_if_data *sdata,
2455 const struct cfg80211_chan_def *chandef,
2456 enum ieee80211_chanctx_mode mode,
2457 bool radar_required);
2458int __must_check
2459ieee80211_vif_use_reserved_context(struct ieee80211_sub_if_data *sdata);
2460int ieee80211_vif_unreserve_chanctx(struct ieee80211_sub_if_data *sdata);
2461
2462int __must_check
2463ieee80211_vif_change_bandwidth(struct ieee80211_sub_if_data *sdata,
2464 const struct cfg80211_chan_def *chandef,
2465 u32 *changed);
2466void ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata);
2467void ieee80211_vif_vlan_copy_chanctx(struct ieee80211_sub_if_data *sdata);
2468void ieee80211_vif_copy_chanctx_to_vlans(struct ieee80211_sub_if_data *sdata,
2469 bool clear);
2470int ieee80211_chanctx_refcount(struct ieee80211_local *local,
2471 struct ieee80211_chanctx *ctx);
2472
2473void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local,
2474 struct ieee80211_chanctx *chanctx);
2475void ieee80211_recalc_chanctx_min_def(struct ieee80211_local *local,
2476 struct ieee80211_chanctx *ctx);
2477bool ieee80211_is_radar_required(struct ieee80211_local *local);
2478
2479void ieee80211_dfs_cac_timer(unsigned long data);
2480void ieee80211_dfs_cac_timer_work(struct work_struct *work);
2481void ieee80211_dfs_cac_cancel(struct ieee80211_local *local);
2482void ieee80211_dfs_radar_detected_work(struct work_struct *work);
2483int ieee80211_send_action_csa(struct ieee80211_sub_if_data *sdata,
2484 struct cfg80211_csa_settings *csa_settings);
2485
2486bool ieee80211_cs_valid(const struct ieee80211_cipher_scheme *cs);
2487bool ieee80211_cs_list_valid(const struct ieee80211_cipher_scheme *cs, int n);
2488const struct ieee80211_cipher_scheme *
2489ieee80211_cs_get(struct ieee80211_local *local, u32 cipher,
2490 enum nl80211_iftype iftype);
2491int ieee80211_cs_headroom(struct ieee80211_local *local,
2492 struct cfg80211_crypto_settings *crypto,
2493 enum nl80211_iftype iftype);
2494void ieee80211_recalc_dtim(struct ieee80211_local *local,
2495 struct ieee80211_sub_if_data *sdata);
2496int ieee80211_check_combinations(struct ieee80211_sub_if_data *sdata,
2497 const struct cfg80211_chan_def *chandef,
2498 enum ieee80211_chanctx_mode chanmode,
2499 u8 radar_detect);
2500int ieee80211_max_num_channels(struct ieee80211_local *local);
2501void ieee80211_recalc_chanctx_chantype(struct ieee80211_local *local,
2502 struct ieee80211_chanctx *ctx);
2503
2504
2505int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
2506 const u8 *peer, u8 action_code, u8 dialog_token,
2507 u16 status_code, u32 peer_capability,
2508 bool initiator, const u8 *extra_ies,
2509 size_t extra_ies_len);
2510int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
2511 const u8 *peer, enum nl80211_tdls_operation oper);
2512void ieee80211_tdls_peer_del_work(struct work_struct *wk);
2513int ieee80211_tdls_channel_switch(struct wiphy *wiphy, struct net_device *dev,
2514 const u8 *addr, u8 oper_class,
2515 struct cfg80211_chan_def *chandef);
2516void ieee80211_tdls_cancel_channel_switch(struct wiphy *wiphy,
2517 struct net_device *dev,
2518 const u8 *addr);
2519void ieee80211_teardown_tdls_peers(struct ieee80211_sub_if_data *sdata);
2520void ieee80211_tdls_handle_disconnect(struct ieee80211_sub_if_data *sdata,
2521 const u8 *peer, u16 reason);
2522void
2523ieee80211_process_tdls_channel_switch(struct ieee80211_sub_if_data *sdata,
2524 struct sk_buff *skb);
2525
2526
2527const char *ieee80211_get_reason_code_string(u16 reason_code);
2528u16 ieee80211_encode_usf(int val);
2529u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len,
2530 enum nl80211_iftype type);
2531
2532extern const struct ethtool_ops ieee80211_ethtool_ops;
2533
2534u32 ieee80211_calc_expected_tx_airtime(struct ieee80211_hw *hw,
2535 struct ieee80211_vif *vif,
2536 struct ieee80211_sta *pubsta,
2537 int len, bool ampdu);
2538#ifdef CONFIG_MAC80211_NOINLINE
2539#define debug_noinline noinline
2540#else
2541#define debug_noinline
2542#endif
2543
2544void ieee80211_init_frag_cache(struct ieee80211_fragment_cache *cache);
2545void ieee80211_destroy_frag_cache(struct ieee80211_fragment_cache *cache);
2546
2547u8 ieee80211_ie_len_eht_cap(struct ieee80211_sub_if_data *sdata, u8 iftype);
2548u8 *ieee80211_ie_build_eht_cap(u8 *pos,
2549 const struct ieee80211_sta_he_cap *he_cap,
2550 const struct ieee80211_sta_eht_cap *eht_cap,
2551 u8 *end);
2552
2553void
2554ieee80211_eht_cap_ie_to_sta_eht_cap(struct ieee80211_sub_if_data *sdata,
2555 struct ieee80211_supported_band *sband,
2556 const u8 *he_cap_ie, u8 he_cap_len,
2557 const struct ieee80211_eht_cap_elem *eht_cap_ie_elem,
2558 u8 eht_cap_len, struct sta_info *sta);
2559#endif
2560