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12#ifndef IEEE80211_I_H
13#define IEEE80211_I_H
14
15#include <linux/kernel.h>
16#include <linux/device.h>
17#include <linux/if_ether.h>
18#include <linux/interrupt.h>
19#include <linux/list.h>
20#include <linux/netdevice.h>
21#include <linux/skbuff.h>
22#include <linux/workqueue.h>
23#include <linux/types.h>
24#include <linux/spinlock.h>
25#include <linux/etherdevice.h>
26#include <linux/leds.h>
27#include <linux/idr.h>
28#include <net/ieee80211_radiotap.h>
29#include <net/cfg80211.h>
30#include <net/mac80211.h>
31#include "key.h"
32#include "sta_info.h"
33#include "debug.h"
34
35struct ieee80211_local;
36
37
38
39#define AP_MAX_BC_BUFFER 128
40
41
42
43
44#define TOTAL_MAX_TX_BUFFER 512
45
46
47#define IEEE80211_ENCRYPT_HEADROOM 8
48#define IEEE80211_ENCRYPT_TAILROOM 18
49
50
51
52
53
54#define IEEE80211_FRAGMENT_MAX 4
55
56#define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024))
57#define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x))
58
59
60#define IEEE80211_UNSET_POWER_LEVEL INT_MIN
61
62
63
64
65
66
67
68#define IEEE80211_DEFAULT_UAPSD_QUEUES \
69 IEEE80211_WMM_IE_STA_QOSINFO_AC_VO
70
71#define IEEE80211_DEFAULT_MAX_SP_LEN \
72 IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL
73
74#define IEEE80211_DEAUTH_FRAME_LEN (24 + 2 )
75
76struct ieee80211_fragment_entry {
77 unsigned long first_frag_time;
78 unsigned int seq;
79 unsigned int rx_queue;
80 unsigned int last_frag;
81 unsigned int extra_len;
82 struct sk_buff_head skb_list;
83 int ccmp;
84 u8 last_pn[6];
85};
86
87
88struct ieee80211_bss {
89 u32 device_ts_beacon, device_ts_presp;
90
91 bool wmm_used;
92 bool uapsd_supported;
93
94#define IEEE80211_MAX_SUPP_RATES 32
95 u8 supp_rates[IEEE80211_MAX_SUPP_RATES];
96 size_t supp_rates_len;
97 struct ieee80211_rate *beacon_rate;
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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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
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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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183
184enum ieee80211_packet_rx_flags {
185 IEEE80211_RX_RA_MATCH = BIT(1),
186 IEEE80211_RX_FRAGMENTED = BIT(2),
187 IEEE80211_RX_AMSDU = BIT(3),
188 IEEE80211_RX_MALFORMED_ACTION_FRM = BIT(4),
189 IEEE80211_RX_DEFERRED_RELEASE = BIT(5),
190};
191
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200
201
202enum ieee80211_rx_flags {
203 IEEE80211_RX_CMNTR = BIT(0),
204 IEEE80211_RX_BEACON_REPORTED = BIT(1),
205};
206
207struct ieee80211_rx_data {
208 struct sk_buff *skb;
209 struct ieee80211_local *local;
210 struct ieee80211_sub_if_data *sdata;
211 struct sta_info *sta;
212 struct ieee80211_key *key;
213
214 unsigned int flags;
215
216
217
218
219
220
221 int seqno_idx;
222
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227
228
229 int security_idx;
230
231 u32 tkip_iv32;
232 u16 tkip_iv16;
233};
234
235struct beacon_data {
236 u8 *head, *tail;
237 int head_len, tail_len;
238 struct rcu_head rcu_head;
239};
240
241struct probe_resp {
242 struct rcu_head rcu_head;
243 int len;
244 u8 data[0];
245};
246
247struct ps_data {
248
249
250
251 u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)];
252 struct sk_buff_head bc_buf;
253 atomic_t num_sta_ps;
254 int dtim_count;
255 bool dtim_bc_mc;
256};
257
258struct ieee80211_if_ap {
259 struct beacon_data __rcu *beacon;
260 struct probe_resp __rcu *probe_resp;
261
262 struct list_head vlans;
263
264 struct ps_data ps;
265 atomic_t num_mcast_sta;
266};
267
268struct ieee80211_if_wds {
269 struct sta_info *sta;
270 u8 remote_addr[ETH_ALEN];
271};
272
273struct ieee80211_if_vlan {
274 struct list_head list;
275
276
277 struct sta_info __rcu *sta;
278};
279
280struct mesh_stats {
281 __u32 fwded_mcast;
282 __u32 fwded_unicast;
283 __u32 fwded_frames;
284 __u32 dropped_frames_ttl;
285 __u32 dropped_frames_no_route;
286 __u32 dropped_frames_congestion;
287};
288
289#define PREQ_Q_F_START 0x1
290#define PREQ_Q_F_REFRESH 0x2
291struct mesh_preq_queue {
292 struct list_head list;
293 u8 dst[ETH_ALEN];
294 u8 flags;
295};
296
297#if HZ/100 == 0
298#define IEEE80211_ROC_MIN_LEFT 1
299#else
300#define IEEE80211_ROC_MIN_LEFT (HZ/100)
301#endif
302
303struct ieee80211_roc_work {
304 struct list_head list;
305 struct list_head dependents;
306
307 struct delayed_work work;
308
309 struct ieee80211_sub_if_data *sdata;
310
311 struct ieee80211_channel *chan;
312
313 bool started, abort, hw_begun, notified;
314 bool to_be_freed;
315
316 unsigned long hw_start_time;
317
318 u32 duration, req_duration;
319 struct sk_buff *frame;
320 u64 cookie, mgmt_tx_cookie;
321 enum ieee80211_roc_type type;
322};
323
324
325enum ieee80211_sta_flags {
326 IEEE80211_STA_BEACON_POLL = BIT(0),
327 IEEE80211_STA_CONNECTION_POLL = BIT(1),
328 IEEE80211_STA_CONTROL_PORT = BIT(2),
329 IEEE80211_STA_DISABLE_HT = BIT(4),
330 IEEE80211_STA_CSA_RECEIVED = BIT(5),
331 IEEE80211_STA_MFP_ENABLED = BIT(6),
332 IEEE80211_STA_UAPSD_ENABLED = BIT(7),
333 IEEE80211_STA_NULLFUNC_ACKED = BIT(8),
334 IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9),
335 IEEE80211_STA_DISABLE_40MHZ = BIT(10),
336 IEEE80211_STA_DISABLE_VHT = BIT(11),
337 IEEE80211_STA_DISABLE_80P80MHZ = BIT(12),
338 IEEE80211_STA_DISABLE_160MHZ = BIT(13),
339};
340
341struct ieee80211_mgd_auth_data {
342 struct cfg80211_bss *bss;
343 unsigned long timeout;
344 int tries;
345 u16 algorithm, expected_transaction;
346
347 u8 key[WLAN_KEY_LEN_WEP104];
348 u8 key_len, key_idx;
349 bool done;
350 bool timeout_started;
351
352 u16 sae_trans, sae_status;
353 size_t data_len;
354 u8 data[];
355};
356
357struct ieee80211_mgd_assoc_data {
358 struct cfg80211_bss *bss;
359 const u8 *supp_rates;
360
361 unsigned long timeout;
362 int tries;
363
364 u16 capability;
365 u8 prev_bssid[ETH_ALEN];
366 u8 ssid[IEEE80211_MAX_SSID_LEN];
367 u8 ssid_len;
368 u8 supp_rates_len;
369 bool wmm, uapsd;
370 bool need_beacon;
371 bool synced;
372 bool timeout_started;
373
374 u8 ap_ht_param;
375
376 struct ieee80211_vht_cap ap_vht_cap;
377
378 size_t ie_len;
379 u8 ie[];
380};
381
382struct ieee80211_if_managed {
383 struct timer_list timer;
384 struct timer_list conn_mon_timer;
385 struct timer_list bcn_mon_timer;
386 struct timer_list chswitch_timer;
387 struct work_struct monitor_work;
388 struct work_struct chswitch_work;
389 struct work_struct beacon_connection_loss_work;
390 struct work_struct csa_connection_drop_work;
391
392 unsigned long beacon_timeout;
393 unsigned long probe_timeout;
394 int probe_send_count;
395 bool nullfunc_failed;
396 bool connection_loss;
397
398 struct cfg80211_bss *associated;
399 struct ieee80211_mgd_auth_data *auth_data;
400 struct ieee80211_mgd_assoc_data *assoc_data;
401
402 u8 bssid[ETH_ALEN];
403
404 u16 aid;
405
406 bool powersave;
407 bool broken_ap;
408 bool have_beacon;
409 u8 dtim_period;
410 enum ieee80211_smps_mode req_smps,
411 driver_smps_mode;
412
413 struct work_struct request_smps_work;
414
415 unsigned int flags;
416
417 bool beacon_crc_valid;
418 u32 beacon_crc;
419
420 bool status_acked;
421 bool status_received;
422 __le16 status_fc;
423
424 enum {
425 IEEE80211_MFP_DISABLED,
426 IEEE80211_MFP_OPTIONAL,
427 IEEE80211_MFP_REQUIRED
428 } mfp;
429
430
431
432
433
434
435 unsigned int uapsd_queues;
436
437
438
439
440
441
442 unsigned int uapsd_max_sp_len;
443
444 int wmm_last_param_set;
445
446 u8 use_4addr;
447
448 s16 p2p_noa_index;
449
450
451 int last_beacon_signal;
452
453
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457
458
459 int ave_beacon_signal;
460
461
462
463
464
465
466 unsigned int count_beacon_signal;
467
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471
472
473 int last_cqm_event_signal;
474
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478
479
480 int rssi_min_thold, rssi_max_thold;
481 int last_ave_beacon_signal;
482
483 struct ieee80211_ht_cap ht_capa;
484 struct ieee80211_ht_cap ht_capa_mask;
485 struct ieee80211_vht_cap vht_capa;
486 struct ieee80211_vht_cap vht_capa_mask;
487};
488
489struct ieee80211_if_ibss {
490 struct timer_list timer;
491
492 unsigned long last_scan_completed;
493
494 u32 basic_rates;
495
496 bool fixed_bssid;
497 bool fixed_channel;
498 bool privacy;
499
500 bool control_port;
501
502 u8 bssid[ETH_ALEN] __aligned(2);
503 u8 ssid[IEEE80211_MAX_SSID_LEN];
504 u8 ssid_len, ie_len;
505 u8 *ie;
506 struct cfg80211_chan_def chandef;
507
508 unsigned long ibss_join_req;
509
510 struct beacon_data __rcu *presp;
511
512 spinlock_t incomplete_lock;
513 struct list_head incomplete_stations;
514
515 enum {
516 IEEE80211_IBSS_MLME_SEARCH,
517 IEEE80211_IBSS_MLME_JOINED,
518 } state;
519};
520
521
522
523
524
525
526
527
528struct ieee802_11_elems;
529struct ieee80211_mesh_sync_ops {
530 void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata,
531 u16 stype,
532 struct ieee80211_mgmt *mgmt,
533 struct ieee802_11_elems *elems,
534 struct ieee80211_rx_status *rx_status);
535 void (*adjust_tbtt)(struct ieee80211_sub_if_data *sdata);
536
537};
538
539struct ieee80211_if_mesh {
540 struct timer_list housekeeping_timer;
541 struct timer_list mesh_path_timer;
542 struct timer_list mesh_path_root_timer;
543
544 unsigned long wrkq_flags;
545 unsigned long mbss_changed;
546
547 u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN];
548 size_t mesh_id_len;
549
550 u8 mesh_pp_id;
551
552 u8 mesh_pm_id;
553
554 u8 mesh_cc_id;
555
556 u8 mesh_sp_id;
557
558 u8 mesh_auth_id;
559
560 u32 sn;
561
562 u32 preq_id;
563 atomic_t mpaths;
564
565 unsigned long last_sn_update;
566
567 unsigned long next_perr;
568
569 unsigned long last_preq;
570 struct mesh_rmc *rmc;
571 spinlock_t mesh_preq_queue_lock;
572 struct mesh_preq_queue preq_queue;
573 int preq_queue_len;
574 struct mesh_stats mshstats;
575 struct mesh_config mshcfg;
576 atomic_t estab_plinks;
577 u32 mesh_seqnum;
578 bool accepting_plinks;
579 int num_gates;
580 struct beacon_data __rcu *beacon;
581 const u8 *ie;
582 u8 ie_len;
583 enum {
584 IEEE80211_MESH_SEC_NONE = 0x0,
585 IEEE80211_MESH_SEC_AUTHED = 0x1,
586 IEEE80211_MESH_SEC_SECURED = 0x2,
587 } security;
588 bool user_mpm;
589
590 const struct ieee80211_mesh_sync_ops *sync_ops;
591 s64 sync_offset_clockdrift_max;
592 spinlock_t sync_offset_lock;
593 bool adjusting_tbtt;
594
595 enum nl80211_mesh_power_mode nonpeer_pm;
596 int ps_peers_light_sleep;
597 int ps_peers_deep_sleep;
598 struct ps_data ps;
599};
600
601#ifdef CONFIG_MAC80211_MESH
602#define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \
603 do { (msh)->mshstats.name++; } while (0)
604#else
605#define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \
606 do { } while (0)
607#endif
608
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619
620
621enum ieee80211_sub_if_data_flags {
622 IEEE80211_SDATA_ALLMULTI = BIT(0),
623 IEEE80211_SDATA_PROMISC = BIT(1),
624 IEEE80211_SDATA_OPERATING_GMODE = BIT(2),
625 IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3),
626 IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4),
627 IEEE80211_SDATA_IN_DRIVER = BIT(5),
628};
629
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639
640enum ieee80211_sdata_state_bits {
641 SDATA_STATE_RUNNING,
642 SDATA_STATE_OFFCHANNEL,
643 SDATA_STATE_OFFCHANNEL_BEACON_STOPPED,
644};
645
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654
655enum ieee80211_chanctx_mode {
656 IEEE80211_CHANCTX_SHARED,
657 IEEE80211_CHANCTX_EXCLUSIVE
658};
659
660struct ieee80211_chanctx {
661 struct list_head list;
662 struct rcu_head rcu_head;
663
664 enum ieee80211_chanctx_mode mode;
665 int refcount;
666 bool driver_present;
667
668 struct ieee80211_chanctx_conf conf;
669};
670
671struct ieee80211_sub_if_data {
672 struct list_head list;
673
674 struct wireless_dev wdev;
675
676
677 struct list_head key_list;
678
679
680 int crypto_tx_tailroom_needed_cnt;
681 int crypto_tx_tailroom_pending_dec;
682 struct delayed_work dec_tailroom_needed_wk;
683
684 struct net_device *dev;
685 struct ieee80211_local *local;
686
687 unsigned int flags;
688
689 unsigned long state;
690
691 int drop_unencrypted;
692
693 char name[IFNAMSIZ];
694
695
696 struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX];
697 unsigned int fragment_next;
698
699
700 u16 noack_map;
701
702
703 u8 wmm_acm;
704
705 struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS];
706 struct ieee80211_key __rcu *default_unicast_key;
707 struct ieee80211_key __rcu *default_multicast_key;
708 struct ieee80211_key __rcu *default_mgmt_key;
709
710 u16 sequence_number;
711 __be16 control_port_protocol;
712 bool control_port_no_encrypt;
713
714 struct ieee80211_tx_queue_params tx_conf[IEEE80211_NUM_ACS];
715
716
717 struct work_struct recalc_smps;
718
719 struct work_struct work;
720 struct sk_buff_head skb_queue;
721
722 u8 needed_rx_chains;
723 enum ieee80211_smps_mode smps_mode;
724
725 int user_power_level;
726 int ap_power_level;
727
728 bool radar_required;
729 struct delayed_work dfs_cac_timer_work;
730
731
732
733
734
735
736 struct ieee80211_if_ap *bss;
737
738
739 u32 rc_rateidx_mask[IEEE80211_NUM_BANDS];
740
741 bool rc_has_mcs_mask[IEEE80211_NUM_BANDS];
742 u8 rc_rateidx_mcs_mask[IEEE80211_NUM_BANDS][IEEE80211_HT_MCS_MASK_LEN];
743
744 union {
745 struct ieee80211_if_ap ap;
746 struct ieee80211_if_wds wds;
747 struct ieee80211_if_vlan vlan;
748 struct ieee80211_if_managed mgd;
749 struct ieee80211_if_ibss ibss;
750 struct ieee80211_if_mesh mesh;
751 u32 mntr_flags;
752 } u;
753
754 spinlock_t cleanup_stations_lock;
755 struct list_head cleanup_stations;
756 struct work_struct cleanup_stations_wk;
757
758#ifdef CONFIG_MAC80211_DEBUGFS
759 struct {
760 struct dentry *subdir_stations;
761 struct dentry *default_unicast_key;
762 struct dentry *default_multicast_key;
763 struct dentry *default_mgmt_key;
764 } debugfs;
765#endif
766
767
768 struct ieee80211_vif vif;
769};
770
771static inline
772struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p)
773{
774 return container_of(p, struct ieee80211_sub_if_data, vif);
775}
776
777static inline void sdata_lock(struct ieee80211_sub_if_data *sdata)
778 __acquires(&sdata->wdev.mtx)
779{
780 mutex_lock(&sdata->wdev.mtx);
781 __acquire(&sdata->wdev.mtx);
782}
783
784static inline void sdata_unlock(struct ieee80211_sub_if_data *sdata)
785 __releases(&sdata->wdev.mtx)
786{
787 mutex_unlock(&sdata->wdev.mtx);
788 __release(&sdata->wdev.mtx);
789}
790
791static inline void
792sdata_assert_lock(struct ieee80211_sub_if_data *sdata)
793{
794 lockdep_assert_held(&sdata->wdev.mtx);
795}
796
797static inline enum ieee80211_band
798ieee80211_get_sdata_band(struct ieee80211_sub_if_data *sdata)
799{
800 enum ieee80211_band band = IEEE80211_BAND_2GHZ;
801 struct ieee80211_chanctx_conf *chanctx_conf;
802
803 rcu_read_lock();
804 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
805 if (!WARN_ON(!chanctx_conf))
806 band = chanctx_conf->def.chan->band;
807 rcu_read_unlock();
808
809 return band;
810}
811
812enum sdata_queue_type {
813 IEEE80211_SDATA_QUEUE_TYPE_FRAME = 0,
814 IEEE80211_SDATA_QUEUE_AGG_START = 1,
815 IEEE80211_SDATA_QUEUE_AGG_STOP = 2,
816};
817
818enum {
819 IEEE80211_RX_MSG = 1,
820 IEEE80211_TX_STATUS_MSG = 2,
821};
822
823enum queue_stop_reason {
824 IEEE80211_QUEUE_STOP_REASON_DRIVER,
825 IEEE80211_QUEUE_STOP_REASON_PS,
826 IEEE80211_QUEUE_STOP_REASON_CSA,
827 IEEE80211_QUEUE_STOP_REASON_AGGREGATION,
828 IEEE80211_QUEUE_STOP_REASON_SUSPEND,
829 IEEE80211_QUEUE_STOP_REASON_SKB_ADD,
830 IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL,
831 IEEE80211_QUEUE_STOP_REASON_FLUSH,
832};
833
834#ifdef CONFIG_MAC80211_LEDS
835struct tpt_led_trigger {
836 struct led_trigger trig;
837 char name[32];
838 const struct ieee80211_tpt_blink *blink_table;
839 unsigned int blink_table_len;
840 struct timer_list timer;
841 unsigned long prev_traffic;
842 unsigned long tx_bytes, rx_bytes;
843 unsigned int active, want;
844 bool running;
845};
846#endif
847
848
849
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861
862enum {
863 SCAN_SW_SCANNING,
864 SCAN_HW_SCANNING,
865 SCAN_ONCHANNEL_SCANNING,
866 SCAN_COMPLETED,
867 SCAN_ABORTED,
868};
869
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882
883enum mac80211_scan_state {
884 SCAN_DECISION,
885 SCAN_SET_CHANNEL,
886 SCAN_SEND_PROBE,
887 SCAN_SUSPEND,
888 SCAN_RESUME,
889 SCAN_ABORT,
890};
891
892struct ieee80211_local {
893
894
895
896 struct ieee80211_hw hw;
897
898 const struct ieee80211_ops *ops;
899
900
901
902
903
904 struct workqueue_struct *workqueue;
905
906 unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES];
907
908 spinlock_t queue_stop_reason_lock;
909
910 int open_count;
911 int monitors, cooked_mntrs;
912
913 int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll,
914 fif_probe_req;
915 int probe_req_reg;
916 unsigned int filter_flags;
917
918 bool wiphy_ciphers_allocated;
919
920 bool use_chanctx;
921
922
923 spinlock_t filter_lock;
924
925
926 struct work_struct reconfig_filter;
927
928
929 struct netdev_hw_addr_list mc_list;
930
931 bool tim_in_locked_section;
932
933
934
935
936
937
938
939 bool suspended;
940
941
942
943
944
945
946
947 bool resuming;
948
949
950
951
952
953 bool quiescing;
954
955
956 bool started;
957
958
959 bool in_reconfig;
960
961
962 bool wowlan;
963
964
965 bool radar_detect_enabled;
966 struct work_struct radar_detected_work;
967
968
969 u8 rx_chains;
970
971 int tx_headroom;
972
973
974
975
976
977#define IEEE80211_IRQSAFE_QUEUE_LIMIT 128
978 struct tasklet_struct tasklet;
979 struct sk_buff_head skb_queue;
980 struct sk_buff_head skb_queue_unreliable;
981
982 spinlock_t rx_path_lock;
983
984
985
986
987
988
989 struct mutex sta_mtx;
990 spinlock_t tim_lock;
991 unsigned long num_sta;
992 struct list_head sta_list;
993 struct sta_info __rcu *sta_hash[STA_HASH_SIZE];
994 struct timer_list sta_cleanup;
995 int sta_generation;
996
997 struct sk_buff_head pending[IEEE80211_MAX_QUEUES];
998 struct tasklet_struct tx_pending_tasklet;
999
1000 atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES];
1001
1002
1003 atomic_t iff_allmultis, iff_promiscs;
1004
1005 struct rate_control_ref *rate_ctrl;
1006
1007 struct crypto_cipher *wep_tx_tfm;
1008 struct crypto_cipher *wep_rx_tfm;
1009 u32 wep_iv;
1010
1011
1012 struct list_head interfaces;
1013 struct mutex iflist_mtx;
1014
1015
1016
1017
1018
1019 struct mutex key_mtx;
1020
1021
1022 struct mutex mtx;
1023
1024
1025 unsigned long scanning;
1026 struct cfg80211_ssid scan_ssid;
1027 struct cfg80211_scan_request *int_scan_req;
1028 struct cfg80211_scan_request *scan_req, *hw_scan_req;
1029 struct ieee80211_channel *scan_channel;
1030 enum ieee80211_band hw_scan_band;
1031 int scan_channel_idx;
1032 int scan_ies_len;
1033 int hw_scan_ies_bufsize;
1034
1035 struct work_struct sched_scan_stopped_work;
1036 struct ieee80211_sub_if_data __rcu *sched_scan_sdata;
1037
1038 unsigned long leave_oper_channel_time;
1039 enum mac80211_scan_state next_scan_state;
1040 struct delayed_work scan_work;
1041 struct ieee80211_sub_if_data __rcu *scan_sdata;
1042 struct cfg80211_chan_def csa_chandef;
1043
1044 struct cfg80211_chan_def _oper_chandef;
1045
1046
1047 struct ieee80211_channel *tmp_channel;
1048
1049
1050 struct list_head chanctx_list;
1051 struct mutex chanctx_mtx;
1052
1053
1054
1055 u32 dot11TransmittedFragmentCount;
1056 u32 dot11MulticastTransmittedFrameCount;
1057 u32 dot11FailedCount;
1058 u32 dot11RetryCount;
1059 u32 dot11MultipleRetryCount;
1060 u32 dot11FrameDuplicateCount;
1061 u32 dot11ReceivedFragmentCount;
1062 u32 dot11MulticastReceivedFrameCount;
1063 u32 dot11TransmittedFrameCount;
1064
1065#ifdef CONFIG_MAC80211_LEDS
1066 int tx_led_counter, rx_led_counter;
1067 struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led;
1068 struct tpt_led_trigger *tpt_led_trigger;
1069 char tx_led_name[32], rx_led_name[32],
1070 assoc_led_name[32], radio_led_name[32];
1071#endif
1072
1073#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
1074
1075 unsigned int tx_handlers_drop;
1076 unsigned int tx_handlers_queued;
1077 unsigned int tx_handlers_drop_unencrypted;
1078 unsigned int tx_handlers_drop_fragment;
1079 unsigned int tx_handlers_drop_wep;
1080 unsigned int tx_handlers_drop_not_assoc;
1081 unsigned int tx_handlers_drop_unauth_port;
1082 unsigned int rx_handlers_drop;
1083 unsigned int rx_handlers_queued;
1084 unsigned int rx_handlers_drop_nullfunc;
1085 unsigned int rx_handlers_drop_defrag;
1086 unsigned int rx_handlers_drop_short;
1087 unsigned int tx_expand_skb_head;
1088 unsigned int tx_expand_skb_head_cloned;
1089 unsigned int rx_expand_skb_head;
1090 unsigned int rx_expand_skb_head2;
1091 unsigned int rx_handlers_fragments;
1092 unsigned int tx_status_drop;
1093#define I802_DEBUG_INC(c) (c)++
1094#else
1095#define I802_DEBUG_INC(c) do { } while (0)
1096#endif
1097
1098
1099 int total_ps_buffered;
1100
1101
1102
1103 bool pspolling;
1104 bool offchannel_ps_enabled;
1105
1106
1107
1108
1109 struct ieee80211_sub_if_data *ps_sdata;
1110 struct work_struct dynamic_ps_enable_work;
1111 struct work_struct dynamic_ps_disable_work;
1112 struct timer_list dynamic_ps_timer;
1113 struct notifier_block network_latency_notifier;
1114 struct notifier_block ifa_notifier;
1115 struct notifier_block ifa6_notifier;
1116
1117
1118
1119
1120
1121 int dynamic_ps_forced_timeout;
1122
1123 int user_power_level;
1124
1125 enum ieee80211_smps_mode smps_mode;
1126
1127 struct work_struct restart_work;
1128
1129#ifdef CONFIG_MAC80211_DEBUGFS
1130 struct local_debugfsdentries {
1131 struct dentry *rcdir;
1132 struct dentry *keys;
1133 } debugfs;
1134#endif
1135
1136
1137
1138
1139 struct list_head roc_list;
1140 struct work_struct hw_roc_start, hw_roc_done;
1141 unsigned long hw_roc_start_time;
1142 u64 roc_cookie_counter;
1143
1144 struct idr ack_status_frames;
1145 spinlock_t ack_status_lock;
1146
1147 struct ieee80211_sub_if_data __rcu *p2p_sdata;
1148
1149
1150 struct ieee80211_sub_if_data __rcu *monitor_sdata;
1151 struct cfg80211_chan_def monitor_chandef;
1152};
1153
1154static inline struct ieee80211_sub_if_data *
1155IEEE80211_DEV_TO_SUB_IF(struct net_device *dev)
1156{
1157 return netdev_priv(dev);
1158}
1159
1160static inline struct ieee80211_sub_if_data *
1161IEEE80211_WDEV_TO_SUB_IF(struct wireless_dev *wdev)
1162{
1163 return container_of(wdev, struct ieee80211_sub_if_data, wdev);
1164}
1165
1166
1167struct ieee80211_ra_tid {
1168 u8 ra[ETH_ALEN];
1169 u16 tid;
1170};
1171
1172
1173struct ieee802_11_elems {
1174 const u8 *ie_start;
1175 size_t total_len;
1176
1177
1178 const u8 *ssid;
1179 const u8 *supp_rates;
1180 const u8 *ds_params;
1181 const struct ieee80211_tim_ie *tim;
1182 const u8 *challenge;
1183 const u8 *rsn;
1184 const u8 *erp_info;
1185 const u8 *ext_supp_rates;
1186 const u8 *wmm_info;
1187 const u8 *wmm_param;
1188 const struct ieee80211_ht_cap *ht_cap_elem;
1189 const struct ieee80211_ht_operation *ht_operation;
1190 const struct ieee80211_vht_cap *vht_cap_elem;
1191 const struct ieee80211_vht_operation *vht_operation;
1192 const struct ieee80211_meshconf_ie *mesh_config;
1193 const u8 *mesh_id;
1194 const u8 *peering;
1195 const __le16 *awake_window;
1196 const u8 *preq;
1197 const u8 *prep;
1198 const u8 *perr;
1199 const struct ieee80211_rann_ie *rann;
1200 const struct ieee80211_channel_sw_ie *ch_switch_ie;
1201 const struct ieee80211_ext_chansw_ie *ext_chansw_ie;
1202 const struct ieee80211_wide_bw_chansw_ie *wide_bw_chansw_ie;
1203 const u8 *country_elem;
1204 const u8 *pwr_constr_elem;
1205 const struct ieee80211_timeout_interval_ie *timeout_int;
1206 const u8 *opmode_notif;
1207 const struct ieee80211_sec_chan_offs_ie *sec_chan_offs;
1208
1209
1210 u8 ssid_len;
1211 u8 supp_rates_len;
1212 u8 tim_len;
1213 u8 challenge_len;
1214 u8 rsn_len;
1215 u8 ext_supp_rates_len;
1216 u8 wmm_info_len;
1217 u8 wmm_param_len;
1218 u8 mesh_id_len;
1219 u8 peering_len;
1220 u8 preq_len;
1221 u8 prep_len;
1222 u8 perr_len;
1223 u8 country_elem_len;
1224
1225
1226 bool parse_error;
1227};
1228
1229static inline struct ieee80211_local *hw_to_local(
1230 struct ieee80211_hw *hw)
1231{
1232 return container_of(hw, struct ieee80211_local, hw);
1233}
1234
1235
1236static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr)
1237{
1238 return ether_addr_equal(raddr, addr) ||
1239 is_broadcast_ether_addr(raddr);
1240}
1241
1242static inline bool
1243ieee80211_have_rx_timestamp(struct ieee80211_rx_status *status)
1244{
1245 WARN_ON_ONCE(status->flag & RX_FLAG_MACTIME_START &&
1246 status->flag & RX_FLAG_MACTIME_END);
1247 return status->flag & (RX_FLAG_MACTIME_START | RX_FLAG_MACTIME_END);
1248}
1249
1250u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local,
1251 struct ieee80211_rx_status *status,
1252 unsigned int mpdu_len,
1253 unsigned int mpdu_offset);
1254int ieee80211_hw_config(struct ieee80211_local *local, u32 changed);
1255void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx);
1256void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
1257 u32 changed);
1258void ieee80211_configure_filter(struct ieee80211_local *local);
1259u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata);
1260
1261
1262void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata);
1263int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
1264 struct cfg80211_auth_request *req);
1265int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
1266 struct cfg80211_assoc_request *req);
1267int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
1268 struct cfg80211_deauth_request *req);
1269int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata,
1270 struct cfg80211_disassoc_request *req);
1271void ieee80211_send_pspoll(struct ieee80211_local *local,
1272 struct ieee80211_sub_if_data *sdata);
1273void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency);
1274void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data *sdata);
1275int ieee80211_max_network_latency(struct notifier_block *nb,
1276 unsigned long data, void *dummy);
1277int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata);
1278void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata);
1279void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
1280 struct sk_buff *skb);
1281void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata);
1282void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata);
1283void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata);
1284void ieee80211_mgd_conn_tx_status(struct ieee80211_sub_if_data *sdata,
1285 __le16 fc, bool acked);
1286void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata);
1287
1288
1289void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local);
1290void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata);
1291void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata,
1292 const u8 *bssid, const u8 *addr, u32 supp_rates);
1293int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
1294 struct cfg80211_ibss_params *params);
1295int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata);
1296void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata);
1297void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
1298 struct sk_buff *skb);
1299
1300
1301void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata);
1302void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
1303 struct sk_buff *skb);
1304
1305
1306void ieee80211_scan_work(struct work_struct *work);
1307int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data *sdata,
1308 const u8 *ssid, u8 ssid_len,
1309 struct ieee80211_channel *chan);
1310int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata,
1311 struct cfg80211_scan_request *req);
1312void ieee80211_scan_cancel(struct ieee80211_local *local);
1313void ieee80211_run_deferred_scan(struct ieee80211_local *local);
1314void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb);
1315
1316void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local);
1317struct ieee80211_bss *
1318ieee80211_bss_info_update(struct ieee80211_local *local,
1319 struct ieee80211_rx_status *rx_status,
1320 struct ieee80211_mgmt *mgmt,
1321 size_t len,
1322 struct ieee802_11_elems *elems,
1323 struct ieee80211_channel *channel);
1324void ieee80211_rx_bss_put(struct ieee80211_local *local,
1325 struct ieee80211_bss *bss);
1326
1327
1328int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
1329 struct cfg80211_sched_scan_request *req);
1330int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata);
1331void ieee80211_sched_scan_stopped_work(struct work_struct *work);
1332
1333
1334void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local);
1335void ieee80211_offchannel_return(struct ieee80211_local *local);
1336void ieee80211_roc_setup(struct ieee80211_local *local);
1337void ieee80211_start_next_roc(struct ieee80211_local *local);
1338void ieee80211_roc_purge(struct ieee80211_local *local,
1339 struct ieee80211_sub_if_data *sdata);
1340void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc, bool free);
1341void ieee80211_sw_roc_work(struct work_struct *work);
1342void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc);
1343
1344
1345int ieee80211_iface_init(void);
1346void ieee80211_iface_exit(void);
1347int ieee80211_if_add(struct ieee80211_local *local, const char *name,
1348 struct wireless_dev **new_wdev, enum nl80211_iftype type,
1349 struct vif_params *params);
1350int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata,
1351 enum nl80211_iftype type);
1352void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata);
1353void ieee80211_remove_interfaces(struct ieee80211_local *local);
1354u32 ieee80211_idle_off(struct ieee80211_local *local);
1355void ieee80211_recalc_idle(struct ieee80211_local *local);
1356void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata,
1357 const int offset);
1358int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up);
1359void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata);
1360int ieee80211_add_virtual_monitor(struct ieee80211_local *local);
1361void ieee80211_del_virtual_monitor(struct ieee80211_local *local);
1362
1363bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata);
1364void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata);
1365
1366static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata)
1367{
1368 return test_bit(SDATA_STATE_RUNNING, &sdata->state);
1369}
1370
1371
1372void ieee80211_clear_tx_pending(struct ieee80211_local *local);
1373void ieee80211_tx_pending(unsigned long data);
1374netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb,
1375 struct net_device *dev);
1376netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
1377 struct net_device *dev);
1378void ieee80211_purge_tx_queue(struct ieee80211_hw *hw,
1379 struct sk_buff_head *skbs);
1380
1381
1382void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata,
1383 struct ieee80211_sta_ht_cap *ht_cap);
1384bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata,
1385 struct ieee80211_supported_band *sband,
1386 const struct ieee80211_ht_cap *ht_cap_ie,
1387 struct sta_info *sta);
1388void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata,
1389 const u8 *da, u16 tid,
1390 u16 initiator, u16 reason_code);
1391int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata,
1392 enum ieee80211_smps_mode smps, const u8 *da,
1393 const u8 *bssid);
1394void ieee80211_request_smps_work(struct work_struct *work);
1395
1396void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
1397 u16 initiator, u16 reason, bool stop);
1398void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
1399 u16 initiator, u16 reason, bool stop);
1400void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta,
1401 enum ieee80211_agg_stop_reason reason);
1402void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata,
1403 struct sta_info *sta,
1404 struct ieee80211_mgmt *mgmt, size_t len);
1405void ieee80211_process_addba_resp(struct ieee80211_local *local,
1406 struct sta_info *sta,
1407 struct ieee80211_mgmt *mgmt,
1408 size_t len);
1409void ieee80211_process_addba_request(struct ieee80211_local *local,
1410 struct sta_info *sta,
1411 struct ieee80211_mgmt *mgmt,
1412 size_t len);
1413
1414int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
1415 enum ieee80211_agg_stop_reason reason);
1416int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
1417 enum ieee80211_agg_stop_reason reason);
1418void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid);
1419void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid);
1420void ieee80211_ba_session_work(struct work_struct *work);
1421void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid);
1422void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid);
1423
1424u8 ieee80211_mcs_to_chains(const struct ieee80211_mcs_info *mcs);
1425
1426
1427void
1428ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata,
1429 struct ieee80211_supported_band *sband,
1430 const struct ieee80211_vht_cap *vht_cap_ie,
1431 struct sta_info *sta);
1432enum ieee80211_sta_rx_bandwidth ieee80211_sta_cur_vht_bw(struct sta_info *sta);
1433void ieee80211_sta_set_rx_nss(struct sta_info *sta);
1434void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata,
1435 struct sta_info *sta, u8 opmode,
1436 enum ieee80211_band band, bool nss_only);
1437void ieee80211_apply_vhtcap_overrides(struct ieee80211_sub_if_data *sdata,
1438 struct ieee80211_sta_vht_cap *vht_cap);
1439
1440
1441void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata,
1442 struct ieee80211_mgmt *mgmt,
1443 size_t len);
1444
1445
1446int ieee80211_reconfig(struct ieee80211_local *local);
1447void ieee80211_stop_device(struct ieee80211_local *local);
1448
1449int __ieee80211_suspend(struct ieee80211_hw *hw,
1450 struct cfg80211_wowlan *wowlan);
1451
1452static inline int __ieee80211_resume(struct ieee80211_hw *hw)
1453{
1454 struct ieee80211_local *local = hw_to_local(hw);
1455
1456 WARN(test_bit(SCAN_HW_SCANNING, &local->scanning),
1457 "%s: resume with hardware scan still in progress\n",
1458 wiphy_name(hw->wiphy));
1459
1460 return ieee80211_reconfig(hw_to_local(hw));
1461}
1462
1463
1464extern void *mac80211_wiphy_privid;
1465u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len,
1466 enum nl80211_iftype type);
1467int ieee80211_frame_duration(enum ieee80211_band band, size_t len,
1468 int rate, int erp, int short_preamble);
1469void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx,
1470 struct ieee80211_hdr *hdr, const u8 *tsc,
1471 gfp_t gfp);
1472void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata,
1473 bool bss_notify);
1474void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
1475 enum ieee80211_band band);
1476
1477void __ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata,
1478 struct sk_buff *skb, int tid,
1479 enum ieee80211_band band);
1480
1481static inline void
1482ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata,
1483 struct sk_buff *skb, int tid,
1484 enum ieee80211_band band)
1485{
1486 rcu_read_lock();
1487 __ieee80211_tx_skb_tid_band(sdata, skb, tid, band);
1488 rcu_read_unlock();
1489}
1490
1491static inline void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata,
1492 struct sk_buff *skb, int tid)
1493{
1494 struct ieee80211_chanctx_conf *chanctx_conf;
1495
1496 rcu_read_lock();
1497 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
1498 if (WARN_ON(!chanctx_conf)) {
1499 rcu_read_unlock();
1500 kfree_skb(skb);
1501 return;
1502 }
1503
1504 __ieee80211_tx_skb_tid_band(sdata, skb, tid,
1505 chanctx_conf->def.chan->band);
1506 rcu_read_unlock();
1507}
1508
1509static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata,
1510 struct sk_buff *skb)
1511{
1512
1513 ieee80211_tx_skb_tid(sdata, skb, 7);
1514}
1515
1516u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
1517 struct ieee802_11_elems *elems,
1518 u64 filter, u32 crc);
1519static inline void ieee802_11_parse_elems(const u8 *start, size_t len,
1520 bool action,
1521 struct ieee802_11_elems *elems)
1522{
1523 ieee802_11_parse_elems_crc(start, len, action, elems, 0, 0);
1524}
1525
1526void ieee80211_dynamic_ps_enable_work(struct work_struct *work);
1527void ieee80211_dynamic_ps_disable_work(struct work_struct *work);
1528void ieee80211_dynamic_ps_timer(unsigned long data);
1529void ieee80211_send_nullfunc(struct ieee80211_local *local,
1530 struct ieee80211_sub_if_data *sdata,
1531 int powersave);
1532void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata,
1533 struct ieee80211_hdr *hdr);
1534void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata,
1535 struct ieee80211_hdr *hdr, bool ack);
1536
1537void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw,
1538 unsigned long queues,
1539 enum queue_stop_reason reason);
1540void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw,
1541 unsigned long queues,
1542 enum queue_stop_reason reason);
1543void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue,
1544 enum queue_stop_reason reason);
1545void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue,
1546 enum queue_stop_reason reason);
1547void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue);
1548void ieee80211_add_pending_skb(struct ieee80211_local *local,
1549 struct sk_buff *skb);
1550void ieee80211_add_pending_skbs_fn(struct ieee80211_local *local,
1551 struct sk_buff_head *skbs,
1552 void (*fn)(void *data), void *data);
1553static inline void ieee80211_add_pending_skbs(struct ieee80211_local *local,
1554 struct sk_buff_head *skbs)
1555{
1556 ieee80211_add_pending_skbs_fn(local, skbs, NULL, NULL);
1557}
1558void ieee80211_flush_queues(struct ieee80211_local *local,
1559 struct ieee80211_sub_if_data *sdata);
1560
1561void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
1562 u16 transaction, u16 auth_alg, u16 status,
1563 const u8 *extra, size_t extra_len, const u8 *bssid,
1564 const u8 *da, const u8 *key, u8 key_len, u8 key_idx,
1565 u32 tx_flags);
1566void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,
1567 const u8 *bssid, u16 stype, u16 reason,
1568 bool send_frame, u8 *frame_buf);
1569int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
1570 size_t buffer_len, const u8 *ie, size_t ie_len,
1571 enum ieee80211_band band, u32 rate_mask,
1572 u8 channel);
1573struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
1574 u8 *dst, u32 ratemask,
1575 struct ieee80211_channel *chan,
1576 const u8 *ssid, size_t ssid_len,
1577 const u8 *ie, size_t ie_len,
1578 bool directed);
1579void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
1580 const u8 *ssid, size_t ssid_len,
1581 const u8 *ie, size_t ie_len,
1582 u32 ratemask, bool directed, u32 tx_flags,
1583 struct ieee80211_channel *channel, bool scan);
1584
1585void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata,
1586 const size_t supp_rates_len,
1587 const u8 *supp_rates);
1588u32 ieee80211_sta_get_rates(struct ieee80211_local *local,
1589 struct ieee802_11_elems *elems,
1590 enum ieee80211_band band, u32 *basic_rates);
1591int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
1592 enum ieee80211_smps_mode smps_mode);
1593void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata);
1594
1595size_t ieee80211_ie_split(const u8 *ies, size_t ielen,
1596 const u8 *ids, int n_ids, size_t offset);
1597size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset);
1598u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
1599 u16 cap);
1600u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
1601 const struct cfg80211_chan_def *chandef,
1602 u16 prot_mode);
1603u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap,
1604 u32 cap);
1605int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata,
1606 struct sk_buff *skb, bool need_basic,
1607 enum ieee80211_band band);
1608int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata,
1609 struct sk_buff *skb, bool need_basic,
1610 enum ieee80211_band band);
1611
1612
1613void ieee80211_ht_oper_to_chandef(struct ieee80211_channel *control_chan,
1614 const struct ieee80211_ht_operation *ht_oper,
1615 struct cfg80211_chan_def *chandef);
1616
1617int __must_check
1618ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata,
1619 const struct cfg80211_chan_def *chandef,
1620 enum ieee80211_chanctx_mode mode);
1621int __must_check
1622ieee80211_vif_change_bandwidth(struct ieee80211_sub_if_data *sdata,
1623 const struct cfg80211_chan_def *chandef,
1624 u32 *changed);
1625void ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata);
1626void ieee80211_vif_vlan_copy_chanctx(struct ieee80211_sub_if_data *sdata);
1627void ieee80211_vif_copy_chanctx_to_vlans(struct ieee80211_sub_if_data *sdata,
1628 bool clear);
1629
1630void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local,
1631 struct ieee80211_chanctx *chanctx);
1632void ieee80211_recalc_radar_chanctx(struct ieee80211_local *local,
1633 struct ieee80211_chanctx *chanctx);
1634
1635void ieee80211_dfs_cac_timer(unsigned long data);
1636void ieee80211_dfs_cac_timer_work(struct work_struct *work);
1637void ieee80211_dfs_cac_cancel(struct ieee80211_local *local);
1638void ieee80211_dfs_radar_detected_work(struct work_struct *work);
1639
1640#ifdef CONFIG_MAC80211_NOINLINE
1641#define debug_noinline noinline
1642#else
1643#define debug_noinline
1644#endif
1645
1646#endif
1647