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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
57#define IEEE80211_UNSET_POWER_LEVEL INT_MIN
58
59
60
61
62
63
64
65#define IEEE80211_DEFAULT_UAPSD_QUEUES \
66 IEEE80211_WMM_IE_STA_QOSINFO_AC_VO
67
68#define IEEE80211_DEFAULT_MAX_SP_LEN \
69 IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL
70
71#define IEEE80211_DEAUTH_FRAME_LEN (24 + 2 )
72
73struct ieee80211_fragment_entry {
74 unsigned long first_frag_time;
75 unsigned int seq;
76 unsigned int rx_queue;
77 unsigned int last_frag;
78 unsigned int extra_len;
79 struct sk_buff_head skb_list;
80 int ccmp;
81 u8 last_pn[6];
82};
83
84
85struct ieee80211_bss {
86 u32 device_ts_beacon, device_ts_presp;
87
88 bool wmm_used;
89 bool uapsd_supported;
90
91#define IEEE80211_MAX_SUPP_RATES 32
92 u8 supp_rates[IEEE80211_MAX_SUPP_RATES];
93 size_t supp_rates_len;
94 struct ieee80211_rate *beacon_rate;
95
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97
98
99
100
101
102 bool has_erp_value;
103 u8 erp_value;
104
105
106 u8 corrupt_data;
107
108
109 u8 valid_data;
110};
111
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118
119
120enum ieee80211_bss_corrupt_data_flags {
121 IEEE80211_BSS_CORRUPT_BEACON = BIT(0),
122 IEEE80211_BSS_CORRUPT_PROBE_RESP = BIT(1)
123};
124
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135
136enum ieee80211_bss_valid_data_flags {
137 IEEE80211_BSS_VALID_WMM = BIT(1),
138 IEEE80211_BSS_VALID_RATES = BIT(2),
139 IEEE80211_BSS_VALID_ERP = BIT(3)
140};
141
142typedef unsigned __bitwise__ ieee80211_tx_result;
143#define TX_CONTINUE ((__force ieee80211_tx_result) 0u)
144#define TX_DROP ((__force ieee80211_tx_result) 1u)
145#define TX_QUEUED ((__force ieee80211_tx_result) 2u)
146
147#define IEEE80211_TX_UNICAST BIT(1)
148#define IEEE80211_TX_PS_BUFFERED BIT(2)
149
150struct ieee80211_tx_data {
151 struct sk_buff *skb;
152 struct sk_buff_head skbs;
153 struct ieee80211_local *local;
154 struct ieee80211_sub_if_data *sdata;
155 struct sta_info *sta;
156 struct ieee80211_key *key;
157 struct ieee80211_tx_rate rate;
158
159 unsigned int flags;
160};
161
162
163typedef unsigned __bitwise__ ieee80211_rx_result;
164#define RX_CONTINUE ((__force ieee80211_rx_result) 0u)
165#define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u)
166#define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u)
167#define RX_QUEUED ((__force ieee80211_rx_result) 3u)
168
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180
181enum ieee80211_packet_rx_flags {
182 IEEE80211_RX_RA_MATCH = BIT(1),
183 IEEE80211_RX_FRAGMENTED = BIT(2),
184 IEEE80211_RX_AMSDU = BIT(3),
185 IEEE80211_RX_MALFORMED_ACTION_FRM = BIT(4),
186 IEEE80211_RX_DEFERRED_RELEASE = BIT(5),
187};
188
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197
198
199enum ieee80211_rx_flags {
200 IEEE80211_RX_CMNTR = BIT(0),
201 IEEE80211_RX_BEACON_REPORTED = BIT(1),
202};
203
204struct ieee80211_rx_data {
205 struct sk_buff *skb;
206 struct ieee80211_local *local;
207 struct ieee80211_sub_if_data *sdata;
208 struct sta_info *sta;
209 struct ieee80211_key *key;
210
211 unsigned int flags;
212
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216
217
218 int seqno_idx;
219
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225
226 int security_idx;
227
228 u32 tkip_iv32;
229 u16 tkip_iv16;
230};
231
232struct beacon_data {
233 u8 *head, *tail;
234 int head_len, tail_len;
235 struct rcu_head rcu_head;
236};
237
238struct probe_resp {
239 struct rcu_head rcu_head;
240 int len;
241 u8 data[0];
242};
243
244struct ps_data {
245
246
247
248 u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)];
249 struct sk_buff_head bc_buf;
250 atomic_t num_sta_ps;
251 int dtim_count;
252 bool dtim_bc_mc;
253};
254
255struct ieee80211_if_ap {
256 struct beacon_data __rcu *beacon;
257 struct probe_resp __rcu *probe_resp;
258
259
260 struct cfg80211_beacon_data *next_beacon;
261 struct list_head vlans;
262
263 struct ps_data ps;
264 atomic_t num_mcast_sta;
265};
266
267struct ieee80211_if_wds {
268 struct sta_info *sta;
269 u8 remote_addr[ETH_ALEN];
270};
271
272struct ieee80211_if_vlan {
273 struct list_head list;
274
275
276 struct sta_info __rcu *sta;
277};
278
279struct mesh_stats {
280 __u32 fwded_mcast;
281 __u32 fwded_unicast;
282 __u32 fwded_frames;
283 __u32 dropped_frames_ttl;
284 __u32 dropped_frames_no_route;
285 __u32 dropped_frames_congestion;
286};
287
288#define PREQ_Q_F_START 0x1
289#define PREQ_Q_F_REFRESH 0x2
290struct mesh_preq_queue {
291 struct list_head list;
292 u8 dst[ETH_ALEN];
293 u8 flags;
294};
295
296#if HZ/100 == 0
297#define IEEE80211_ROC_MIN_LEFT 1
298#else
299#define IEEE80211_ROC_MIN_LEFT (HZ/100)
300#endif
301
302struct ieee80211_roc_work {
303 struct list_head list;
304 struct list_head dependents;
305
306 struct delayed_work work;
307
308 struct ieee80211_sub_if_data *sdata;
309
310 struct ieee80211_channel *chan;
311
312 bool started, abort, hw_begun, notified;
313 bool to_be_freed;
314
315 unsigned long hw_start_time;
316
317 u32 duration, req_duration;
318 struct sk_buff *frame;
319 u64 cookie, mgmt_tx_cookie;
320 enum ieee80211_roc_type type;
321};
322
323
324enum ieee80211_sta_flags {
325 IEEE80211_STA_BEACON_POLL = BIT(0),
326 IEEE80211_STA_CONNECTION_POLL = BIT(1),
327 IEEE80211_STA_CONTROL_PORT = BIT(2),
328 IEEE80211_STA_DISABLE_HT = BIT(4),
329 IEEE80211_STA_CSA_RECEIVED = BIT(5),
330 IEEE80211_STA_MFP_ENABLED = BIT(6),
331 IEEE80211_STA_UAPSD_ENABLED = BIT(7),
332 IEEE80211_STA_NULLFUNC_ACKED = BIT(8),
333 IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9),
334 IEEE80211_STA_DISABLE_40MHZ = BIT(10),
335 IEEE80211_STA_DISABLE_VHT = BIT(11),
336 IEEE80211_STA_DISABLE_80P80MHZ = BIT(12),
337 IEEE80211_STA_DISABLE_160MHZ = BIT(13),
338};
339
340struct ieee80211_mgd_auth_data {
341 struct cfg80211_bss *bss;
342 unsigned long timeout;
343 int tries;
344 u16 algorithm, expected_transaction;
345
346 u8 key[WLAN_KEY_LEN_WEP104];
347 u8 key_len, key_idx;
348 bool done;
349 bool timeout_started;
350
351 u16 sae_trans, sae_status;
352 size_t data_len;
353 u8 data[];
354};
355
356struct ieee80211_mgd_assoc_data {
357 struct cfg80211_bss *bss;
358 const u8 *supp_rates;
359
360 unsigned long timeout;
361 int tries;
362
363 u16 capability;
364 u8 prev_bssid[ETH_ALEN];
365 u8 ssid[IEEE80211_MAX_SSID_LEN];
366 u8 ssid_len;
367 u8 supp_rates_len;
368 bool wmm, uapsd;
369 bool need_beacon;
370 bool synced;
371 bool timeout_started;
372
373 u8 ap_ht_param;
374
375 struct ieee80211_vht_cap ap_vht_cap;
376
377 size_t ie_len;
378 u8 ie[];
379};
380
381struct ieee80211_if_managed {
382 struct timer_list timer;
383 struct timer_list conn_mon_timer;
384 struct timer_list bcn_mon_timer;
385 struct timer_list chswitch_timer;
386 struct work_struct monitor_work;
387 struct work_struct chswitch_work;
388 struct work_struct beacon_connection_loss_work;
389 struct work_struct csa_connection_drop_work;
390
391 unsigned long beacon_timeout;
392 unsigned long probe_timeout;
393 int probe_send_count;
394 bool nullfunc_failed;
395 bool connection_loss;
396
397 struct cfg80211_bss *associated;
398 struct ieee80211_mgd_auth_data *auth_data;
399 struct ieee80211_mgd_assoc_data *assoc_data;
400
401 u8 bssid[ETH_ALEN];
402
403 u16 aid;
404
405 bool powersave;
406 bool broken_ap;
407 bool have_beacon;
408 u8 dtim_period;
409 enum ieee80211_smps_mode req_smps,
410 driver_smps_mode;
411
412 struct work_struct request_smps_work;
413
414 unsigned int flags;
415
416 bool beacon_crc_valid;
417 u32 beacon_crc;
418
419 bool status_acked;
420 bool status_received;
421 __le16 status_fc;
422
423 enum {
424 IEEE80211_MFP_DISABLED,
425 IEEE80211_MFP_OPTIONAL,
426 IEEE80211_MFP_REQUIRED
427 } mfp;
428
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433
434 unsigned int uapsd_queues;
435
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441 unsigned int uapsd_max_sp_len;
442
443 int wmm_last_param_set;
444
445 u8 use_4addr;
446
447 s16 p2p_noa_index;
448
449
450 int last_beacon_signal;
451
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457
458 int ave_beacon_signal;
459
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464
465 unsigned int count_beacon_signal;
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470
471
472 int last_cqm_event_signal;
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479 int rssi_min_thold, rssi_max_thold;
480 int last_ave_beacon_signal;
481
482 struct ieee80211_ht_cap ht_capa;
483 struct ieee80211_ht_cap ht_capa_mask;
484 struct ieee80211_vht_cap vht_capa;
485 struct ieee80211_vht_cap vht_capa_mask;
486};
487
488struct ieee80211_if_ibss {
489 struct timer_list timer;
490
491 unsigned long last_scan_completed;
492
493 u32 basic_rates;
494
495 bool fixed_bssid;
496 bool fixed_channel;
497 bool privacy;
498
499 bool control_port;
500
501 u8 bssid[ETH_ALEN] __aligned(2);
502 u8 ssid[IEEE80211_MAX_SSID_LEN];
503 u8 ssid_len, ie_len;
504 u8 *ie;
505 struct cfg80211_chan_def chandef;
506
507 unsigned long ibss_join_req;
508
509 struct beacon_data __rcu *presp;
510
511 struct ieee80211_ht_cap ht_capa;
512 struct ieee80211_ht_cap ht_capa_mask;
513
514 spinlock_t incomplete_lock;
515 struct list_head incomplete_stations;
516
517 enum {
518 IEEE80211_IBSS_MLME_SEARCH,
519 IEEE80211_IBSS_MLME_JOINED,
520 } state;
521};
522
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529
530struct ieee802_11_elems;
531struct ieee80211_mesh_sync_ops {
532 void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata,
533 u16 stype,
534 struct ieee80211_mgmt *mgmt,
535 struct ieee802_11_elems *elems,
536 struct ieee80211_rx_status *rx_status);
537 void (*adjust_tbtt)(struct ieee80211_sub_if_data *sdata);
538
539};
540
541struct ieee80211_if_mesh {
542 struct timer_list housekeeping_timer;
543 struct timer_list mesh_path_timer;
544 struct timer_list mesh_path_root_timer;
545
546 unsigned long wrkq_flags;
547 unsigned long mbss_changed;
548
549 u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN];
550 size_t mesh_id_len;
551
552 u8 mesh_pp_id;
553
554 u8 mesh_pm_id;
555
556 u8 mesh_cc_id;
557
558 u8 mesh_sp_id;
559
560 u8 mesh_auth_id;
561
562 u32 sn;
563
564 u32 preq_id;
565 atomic_t mpaths;
566
567 unsigned long last_sn_update;
568
569 unsigned long next_perr;
570
571 unsigned long last_preq;
572 struct mesh_rmc *rmc;
573 spinlock_t mesh_preq_queue_lock;
574 struct mesh_preq_queue preq_queue;
575 int preq_queue_len;
576 struct mesh_stats mshstats;
577 struct mesh_config mshcfg;
578 atomic_t estab_plinks;
579 u32 mesh_seqnum;
580 bool accepting_plinks;
581 int num_gates;
582 struct beacon_data __rcu *beacon;
583 const u8 *ie;
584 u8 ie_len;
585 enum {
586 IEEE80211_MESH_SEC_NONE = 0x0,
587 IEEE80211_MESH_SEC_AUTHED = 0x1,
588 IEEE80211_MESH_SEC_SECURED = 0x2,
589 } security;
590 bool user_mpm;
591
592 const struct ieee80211_mesh_sync_ops *sync_ops;
593 s64 sync_offset_clockdrift_max;
594 spinlock_t sync_offset_lock;
595 bool adjusting_tbtt;
596
597 enum nl80211_mesh_power_mode nonpeer_pm;
598 int ps_peers_light_sleep;
599 int ps_peers_deep_sleep;
600 struct ps_data ps;
601};
602
603#ifdef CONFIG_MAC80211_MESH
604#define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \
605 do { (msh)->mshstats.name++; } while (0)
606#else
607#define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \
608 do { } while (0)
609#endif
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622
623enum ieee80211_sub_if_data_flags {
624 IEEE80211_SDATA_ALLMULTI = BIT(0),
625 IEEE80211_SDATA_PROMISC = BIT(1),
626 IEEE80211_SDATA_OPERATING_GMODE = BIT(2),
627 IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3),
628 IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4),
629 IEEE80211_SDATA_IN_DRIVER = BIT(5),
630};
631
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641
642enum ieee80211_sdata_state_bits {
643 SDATA_STATE_RUNNING,
644 SDATA_STATE_OFFCHANNEL,
645 SDATA_STATE_OFFCHANNEL_BEACON_STOPPED,
646};
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656
657enum ieee80211_chanctx_mode {
658 IEEE80211_CHANCTX_SHARED,
659 IEEE80211_CHANCTX_EXCLUSIVE
660};
661
662struct ieee80211_chanctx {
663 struct list_head list;
664 struct rcu_head rcu_head;
665
666 enum ieee80211_chanctx_mode mode;
667 int refcount;
668 bool driver_present;
669
670 struct ieee80211_chanctx_conf conf;
671};
672
673struct ieee80211_sub_if_data {
674 struct list_head list;
675
676 struct wireless_dev wdev;
677
678
679 struct list_head key_list;
680
681
682 int crypto_tx_tailroom_needed_cnt;
683 int crypto_tx_tailroom_pending_dec;
684 struct delayed_work dec_tailroom_needed_wk;
685
686 struct net_device *dev;
687 struct ieee80211_local *local;
688
689 unsigned int flags;
690
691 unsigned long state;
692
693 int drop_unencrypted;
694
695 char name[IFNAMSIZ];
696
697
698 struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX];
699 unsigned int fragment_next;
700
701
702 u16 noack_map;
703
704
705 u8 wmm_acm;
706
707 struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS];
708 struct ieee80211_key __rcu *default_unicast_key;
709 struct ieee80211_key __rcu *default_multicast_key;
710 struct ieee80211_key __rcu *default_mgmt_key;
711
712 u16 sequence_number;
713 __be16 control_port_protocol;
714 bool control_port_no_encrypt;
715
716 struct ieee80211_tx_queue_params tx_conf[IEEE80211_NUM_ACS];
717
718 struct work_struct csa_finalize_work;
719 int csa_counter_offset_beacon;
720 int csa_counter_offset_presp;
721 bool csa_radar_required;
722
723
724 struct work_struct recalc_smps;
725
726 struct work_struct work;
727 struct sk_buff_head skb_queue;
728
729 u8 needed_rx_chains;
730 enum ieee80211_smps_mode smps_mode;
731
732 int user_power_level;
733 int ap_power_level;
734
735 bool radar_required;
736 struct delayed_work dfs_cac_timer_work;
737
738
739
740
741
742
743 struct ieee80211_if_ap *bss;
744
745
746 u32 rc_rateidx_mask[IEEE80211_NUM_BANDS];
747
748 bool rc_has_mcs_mask[IEEE80211_NUM_BANDS];
749 u8 rc_rateidx_mcs_mask[IEEE80211_NUM_BANDS][IEEE80211_HT_MCS_MASK_LEN];
750
751 union {
752 struct ieee80211_if_ap ap;
753 struct ieee80211_if_wds wds;
754 struct ieee80211_if_vlan vlan;
755 struct ieee80211_if_managed mgd;
756 struct ieee80211_if_ibss ibss;
757 struct ieee80211_if_mesh mesh;
758 u32 mntr_flags;
759 } u;
760
761 spinlock_t cleanup_stations_lock;
762 struct list_head cleanup_stations;
763 struct work_struct cleanup_stations_wk;
764
765#ifdef CONFIG_MAC80211_DEBUGFS
766 struct {
767 struct dentry *subdir_stations;
768 struct dentry *default_unicast_key;
769 struct dentry *default_multicast_key;
770 struct dentry *default_mgmt_key;
771 } debugfs;
772#endif
773
774
775 struct ieee80211_vif vif;
776};
777
778static inline
779struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p)
780{
781 return container_of(p, struct ieee80211_sub_if_data, vif);
782}
783
784static inline void sdata_lock(struct ieee80211_sub_if_data *sdata)
785 __acquires(&sdata->wdev.mtx)
786{
787 mutex_lock(&sdata->wdev.mtx);
788 __acquire(&sdata->wdev.mtx);
789}
790
791static inline void sdata_unlock(struct ieee80211_sub_if_data *sdata)
792 __releases(&sdata->wdev.mtx)
793{
794 mutex_unlock(&sdata->wdev.mtx);
795 __release(&sdata->wdev.mtx);
796}
797
798static inline void
799sdata_assert_lock(struct ieee80211_sub_if_data *sdata)
800{
801 lockdep_assert_held(&sdata->wdev.mtx);
802}
803
804static inline enum ieee80211_band
805ieee80211_get_sdata_band(struct ieee80211_sub_if_data *sdata)
806{
807 enum ieee80211_band band = IEEE80211_BAND_2GHZ;
808 struct ieee80211_chanctx_conf *chanctx_conf;
809
810 rcu_read_lock();
811 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
812 if (!WARN_ON(!chanctx_conf))
813 band = chanctx_conf->def.chan->band;
814 rcu_read_unlock();
815
816 return band;
817}
818
819static inline int
820ieee80211_chandef_get_shift(struct cfg80211_chan_def *chandef)
821{
822 switch (chandef->width) {
823 case NL80211_CHAN_WIDTH_5:
824 return 2;
825 case NL80211_CHAN_WIDTH_10:
826 return 1;
827 default:
828 return 0;
829 }
830}
831
832static inline int
833ieee80211_vif_get_shift(struct ieee80211_vif *vif)
834{
835 struct ieee80211_chanctx_conf *chanctx_conf;
836 int shift = 0;
837
838 rcu_read_lock();
839 chanctx_conf = rcu_dereference(vif->chanctx_conf);
840 if (chanctx_conf)
841 shift = ieee80211_chandef_get_shift(&chanctx_conf->def);
842 rcu_read_unlock();
843
844 return shift;
845}
846
847enum sdata_queue_type {
848 IEEE80211_SDATA_QUEUE_TYPE_FRAME = 0,
849 IEEE80211_SDATA_QUEUE_AGG_START = 1,
850 IEEE80211_SDATA_QUEUE_AGG_STOP = 2,
851};
852
853enum {
854 IEEE80211_RX_MSG = 1,
855 IEEE80211_TX_STATUS_MSG = 2,
856};
857
858enum queue_stop_reason {
859 IEEE80211_QUEUE_STOP_REASON_DRIVER,
860 IEEE80211_QUEUE_STOP_REASON_PS,
861 IEEE80211_QUEUE_STOP_REASON_CSA,
862 IEEE80211_QUEUE_STOP_REASON_AGGREGATION,
863 IEEE80211_QUEUE_STOP_REASON_SUSPEND,
864 IEEE80211_QUEUE_STOP_REASON_SKB_ADD,
865 IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL,
866 IEEE80211_QUEUE_STOP_REASON_FLUSH,
867};
868
869#ifdef CONFIG_MAC80211_LEDS
870struct tpt_led_trigger {
871 struct led_trigger trig;
872 char name[32];
873 const struct ieee80211_tpt_blink *blink_table;
874 unsigned int blink_table_len;
875 struct timer_list timer;
876 unsigned long prev_traffic;
877 unsigned long tx_bytes, rx_bytes;
878 unsigned int active, want;
879 bool running;
880};
881#endif
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899enum {
900 SCAN_SW_SCANNING,
901 SCAN_HW_SCANNING,
902 SCAN_ONCHANNEL_SCANNING,
903 SCAN_COMPLETED,
904 SCAN_ABORTED,
905 SCAN_HW_CANCELLED,
906};
907
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920
921enum mac80211_scan_state {
922 SCAN_DECISION,
923 SCAN_SET_CHANNEL,
924 SCAN_SEND_PROBE,
925 SCAN_SUSPEND,
926 SCAN_RESUME,
927 SCAN_ABORT,
928};
929
930struct ieee80211_local {
931
932
933
934 struct ieee80211_hw hw;
935
936 const struct ieee80211_ops *ops;
937
938
939
940
941
942 struct workqueue_struct *workqueue;
943
944 unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES];
945
946 spinlock_t queue_stop_reason_lock;
947
948 int open_count;
949 int monitors, cooked_mntrs;
950
951 int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll,
952 fif_probe_req;
953 int probe_req_reg;
954 unsigned int filter_flags;
955
956 bool wiphy_ciphers_allocated;
957
958 bool use_chanctx;
959
960
961 spinlock_t filter_lock;
962
963
964 struct work_struct reconfig_filter;
965
966
967 struct netdev_hw_addr_list mc_list;
968
969 bool tim_in_locked_section;
970
971
972
973
974
975
976
977 bool suspended;
978
979
980
981
982
983
984
985 bool resuming;
986
987
988
989
990
991 bool quiescing;
992
993
994 bool started;
995
996
997 bool in_reconfig;
998
999
1000 bool wowlan;
1001
1002
1003 bool radar_detect_enabled;
1004 struct work_struct radar_detected_work;
1005
1006
1007 u8 rx_chains;
1008
1009 int tx_headroom;
1010
1011
1012
1013
1014
1015#define IEEE80211_IRQSAFE_QUEUE_LIMIT 128
1016 struct tasklet_struct tasklet;
1017 struct sk_buff_head skb_queue;
1018 struct sk_buff_head skb_queue_unreliable;
1019
1020 spinlock_t rx_path_lock;
1021
1022
1023
1024
1025
1026
1027 struct mutex sta_mtx;
1028 spinlock_t tim_lock;
1029 unsigned long num_sta;
1030 struct list_head sta_list;
1031 struct sta_info __rcu *sta_hash[STA_HASH_SIZE];
1032 struct timer_list sta_cleanup;
1033 int sta_generation;
1034
1035 struct sk_buff_head pending[IEEE80211_MAX_QUEUES];
1036 struct tasklet_struct tx_pending_tasklet;
1037
1038 atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES];
1039
1040
1041 atomic_t iff_allmultis, iff_promiscs;
1042
1043 struct rate_control_ref *rate_ctrl;
1044
1045 struct crypto_cipher *wep_tx_tfm;
1046 struct crypto_cipher *wep_rx_tfm;
1047 u32 wep_iv;
1048
1049
1050 struct list_head interfaces;
1051 struct mutex iflist_mtx;
1052
1053
1054
1055
1056
1057 struct mutex key_mtx;
1058
1059
1060 struct mutex mtx;
1061
1062
1063 unsigned long scanning;
1064 struct cfg80211_ssid scan_ssid;
1065 struct cfg80211_scan_request *int_scan_req;
1066 struct cfg80211_scan_request *scan_req, *hw_scan_req;
1067 struct cfg80211_chan_def scan_chandef;
1068 enum ieee80211_band hw_scan_band;
1069 int scan_channel_idx;
1070 int scan_ies_len;
1071 int hw_scan_ies_bufsize;
1072
1073 struct work_struct sched_scan_stopped_work;
1074 struct ieee80211_sub_if_data __rcu *sched_scan_sdata;
1075
1076 unsigned long leave_oper_channel_time;
1077 enum mac80211_scan_state next_scan_state;
1078 struct delayed_work scan_work;
1079 struct ieee80211_sub_if_data __rcu *scan_sdata;
1080 struct cfg80211_chan_def csa_chandef;
1081
1082 struct cfg80211_chan_def _oper_chandef;
1083
1084
1085 struct ieee80211_channel *tmp_channel;
1086
1087
1088 struct list_head chanctx_list;
1089 struct mutex chanctx_mtx;
1090
1091
1092
1093 u32 dot11TransmittedFragmentCount;
1094 u32 dot11MulticastTransmittedFrameCount;
1095 u32 dot11FailedCount;
1096 u32 dot11RetryCount;
1097 u32 dot11MultipleRetryCount;
1098 u32 dot11FrameDuplicateCount;
1099 u32 dot11ReceivedFragmentCount;
1100 u32 dot11MulticastReceivedFrameCount;
1101 u32 dot11TransmittedFrameCount;
1102
1103#ifdef CONFIG_MAC80211_LEDS
1104 struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led;
1105 struct tpt_led_trigger *tpt_led_trigger;
1106 char tx_led_name[32], rx_led_name[32],
1107 assoc_led_name[32], radio_led_name[32];
1108#endif
1109
1110#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
1111
1112 unsigned int tx_handlers_drop;
1113 unsigned int tx_handlers_queued;
1114 unsigned int tx_handlers_drop_unencrypted;
1115 unsigned int tx_handlers_drop_fragment;
1116 unsigned int tx_handlers_drop_wep;
1117 unsigned int tx_handlers_drop_not_assoc;
1118 unsigned int tx_handlers_drop_unauth_port;
1119 unsigned int rx_handlers_drop;
1120 unsigned int rx_handlers_queued;
1121 unsigned int rx_handlers_drop_nullfunc;
1122 unsigned int rx_handlers_drop_defrag;
1123 unsigned int rx_handlers_drop_short;
1124 unsigned int tx_expand_skb_head;
1125 unsigned int tx_expand_skb_head_cloned;
1126 unsigned int rx_expand_skb_head;
1127 unsigned int rx_expand_skb_head2;
1128 unsigned int rx_handlers_fragments;
1129 unsigned int tx_status_drop;
1130#define I802_DEBUG_INC(c) (c)++
1131#else
1132#define I802_DEBUG_INC(c) do { } while (0)
1133#endif
1134
1135
1136 int total_ps_buffered;
1137
1138
1139
1140 bool pspolling;
1141 bool offchannel_ps_enabled;
1142
1143
1144
1145
1146 struct ieee80211_sub_if_data *ps_sdata;
1147 struct work_struct dynamic_ps_enable_work;
1148 struct work_struct dynamic_ps_disable_work;
1149 struct timer_list dynamic_ps_timer;
1150 struct notifier_block network_latency_notifier;
1151 struct notifier_block ifa_notifier;
1152 struct notifier_block ifa6_notifier;
1153
1154
1155
1156
1157
1158 int dynamic_ps_forced_timeout;
1159
1160 int user_power_level;
1161
1162 enum ieee80211_smps_mode smps_mode;
1163
1164 struct work_struct restart_work;
1165
1166#ifdef CONFIG_MAC80211_DEBUGFS
1167 struct local_debugfsdentries {
1168 struct dentry *rcdir;
1169 struct dentry *keys;
1170 } debugfs;
1171#endif
1172
1173
1174
1175
1176 struct list_head roc_list;
1177 struct work_struct hw_roc_start, hw_roc_done;
1178 unsigned long hw_roc_start_time;
1179 u64 roc_cookie_counter;
1180
1181 struct idr ack_status_frames;
1182 spinlock_t ack_status_lock;
1183
1184 struct ieee80211_sub_if_data __rcu *p2p_sdata;
1185
1186
1187 struct ieee80211_sub_if_data __rcu *monitor_sdata;
1188 struct cfg80211_chan_def monitor_chandef;
1189};
1190
1191static inline struct ieee80211_sub_if_data *
1192IEEE80211_DEV_TO_SUB_IF(struct net_device *dev)
1193{
1194 return netdev_priv(dev);
1195}
1196
1197static inline struct ieee80211_sub_if_data *
1198IEEE80211_WDEV_TO_SUB_IF(struct wireless_dev *wdev)
1199{
1200 return container_of(wdev, struct ieee80211_sub_if_data, wdev);
1201}
1202
1203
1204struct ieee80211_ra_tid {
1205 u8 ra[ETH_ALEN];
1206 u16 tid;
1207};
1208
1209
1210struct ieee802_11_elems {
1211 const u8 *ie_start;
1212 size_t total_len;
1213
1214
1215 const u8 *ssid;
1216 const u8 *supp_rates;
1217 const u8 *ds_params;
1218 const struct ieee80211_tim_ie *tim;
1219 const u8 *challenge;
1220 const u8 *rsn;
1221 const u8 *erp_info;
1222 const u8 *ext_supp_rates;
1223 const u8 *wmm_info;
1224 const u8 *wmm_param;
1225 const struct ieee80211_ht_cap *ht_cap_elem;
1226 const struct ieee80211_ht_operation *ht_operation;
1227 const struct ieee80211_vht_cap *vht_cap_elem;
1228 const struct ieee80211_vht_operation *vht_operation;
1229 const struct ieee80211_meshconf_ie *mesh_config;
1230 const u8 *mesh_id;
1231 const u8 *peering;
1232 const __le16 *awake_window;
1233 const u8 *preq;
1234 const u8 *prep;
1235 const u8 *perr;
1236 const struct ieee80211_rann_ie *rann;
1237 const struct ieee80211_channel_sw_ie *ch_switch_ie;
1238 const struct ieee80211_ext_chansw_ie *ext_chansw_ie;
1239 const struct ieee80211_wide_bw_chansw_ie *wide_bw_chansw_ie;
1240 const u8 *country_elem;
1241 const u8 *pwr_constr_elem;
1242 const struct ieee80211_timeout_interval_ie *timeout_int;
1243 const u8 *opmode_notif;
1244 const struct ieee80211_sec_chan_offs_ie *sec_chan_offs;
1245
1246
1247 u8 ssid_len;
1248 u8 supp_rates_len;
1249 u8 tim_len;
1250 u8 challenge_len;
1251 u8 rsn_len;
1252 u8 ext_supp_rates_len;
1253 u8 wmm_info_len;
1254 u8 wmm_param_len;
1255 u8 mesh_id_len;
1256 u8 peering_len;
1257 u8 preq_len;
1258 u8 prep_len;
1259 u8 perr_len;
1260 u8 country_elem_len;
1261
1262
1263 bool parse_error;
1264};
1265
1266static inline struct ieee80211_local *hw_to_local(
1267 struct ieee80211_hw *hw)
1268{
1269 return container_of(hw, struct ieee80211_local, hw);
1270}
1271
1272
1273static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr)
1274{
1275 return ether_addr_equal(raddr, addr) ||
1276 is_broadcast_ether_addr(raddr);
1277}
1278
1279static inline bool
1280ieee80211_have_rx_timestamp(struct ieee80211_rx_status *status)
1281{
1282 WARN_ON_ONCE(status->flag & RX_FLAG_MACTIME_START &&
1283 status->flag & RX_FLAG_MACTIME_END);
1284 return status->flag & (RX_FLAG_MACTIME_START | RX_FLAG_MACTIME_END);
1285}
1286
1287u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local,
1288 struct ieee80211_rx_status *status,
1289 unsigned int mpdu_len,
1290 unsigned int mpdu_offset);
1291int ieee80211_hw_config(struct ieee80211_local *local, u32 changed);
1292void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx);
1293void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
1294 u32 changed);
1295void ieee80211_configure_filter(struct ieee80211_local *local);
1296u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata);
1297
1298
1299void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata);
1300int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
1301 struct cfg80211_auth_request *req);
1302int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
1303 struct cfg80211_assoc_request *req);
1304int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
1305 struct cfg80211_deauth_request *req);
1306int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata,
1307 struct cfg80211_disassoc_request *req);
1308void ieee80211_send_pspoll(struct ieee80211_local *local,
1309 struct ieee80211_sub_if_data *sdata);
1310void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency);
1311void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data *sdata);
1312int ieee80211_max_network_latency(struct notifier_block *nb,
1313 unsigned long data, void *dummy);
1314int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata);
1315void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata);
1316void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
1317 struct sk_buff *skb);
1318void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata);
1319void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata);
1320void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata);
1321void ieee80211_mgd_conn_tx_status(struct ieee80211_sub_if_data *sdata,
1322 __le16 fc, bool acked);
1323void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata);
1324
1325
1326void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local);
1327void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata);
1328void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata,
1329 const u8 *bssid, const u8 *addr, u32 supp_rates);
1330int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
1331 struct cfg80211_ibss_params *params);
1332int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata);
1333void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata);
1334void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
1335 struct sk_buff *skb);
1336
1337
1338void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata);
1339void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
1340 struct sk_buff *skb);
1341
1342
1343void ieee80211_scan_work(struct work_struct *work);
1344int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data *sdata,
1345 const u8 *ssid, u8 ssid_len,
1346 struct ieee80211_channel *chan,
1347 enum nl80211_bss_scan_width scan_width);
1348int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata,
1349 struct cfg80211_scan_request *req);
1350void ieee80211_scan_cancel(struct ieee80211_local *local);
1351void ieee80211_run_deferred_scan(struct ieee80211_local *local);
1352void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb);
1353
1354void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local);
1355struct ieee80211_bss *
1356ieee80211_bss_info_update(struct ieee80211_local *local,
1357 struct ieee80211_rx_status *rx_status,
1358 struct ieee80211_mgmt *mgmt,
1359 size_t len,
1360 struct ieee802_11_elems *elems,
1361 struct ieee80211_channel *channel);
1362void ieee80211_rx_bss_put(struct ieee80211_local *local,
1363 struct ieee80211_bss *bss);
1364
1365
1366int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
1367 struct cfg80211_sched_scan_request *req);
1368int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata);
1369void ieee80211_sched_scan_stopped_work(struct work_struct *work);
1370
1371
1372void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local);
1373void ieee80211_offchannel_return(struct ieee80211_local *local);
1374void ieee80211_roc_setup(struct ieee80211_local *local);
1375void ieee80211_start_next_roc(struct ieee80211_local *local);
1376void ieee80211_roc_purge(struct ieee80211_local *local,
1377 struct ieee80211_sub_if_data *sdata);
1378void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc, bool free);
1379void ieee80211_sw_roc_work(struct work_struct *work);
1380void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc);
1381
1382
1383void ieee80211_csa_finalize_work(struct work_struct *work);
1384
1385
1386int ieee80211_iface_init(void);
1387void ieee80211_iface_exit(void);
1388int ieee80211_if_add(struct ieee80211_local *local, const char *name,
1389 struct wireless_dev **new_wdev, enum nl80211_iftype type,
1390 struct vif_params *params);
1391int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata,
1392 enum nl80211_iftype type);
1393void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata);
1394void ieee80211_remove_interfaces(struct ieee80211_local *local);
1395u32 ieee80211_idle_off(struct ieee80211_local *local);
1396void ieee80211_recalc_idle(struct ieee80211_local *local);
1397void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata,
1398 const int offset);
1399int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up);
1400void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata);
1401int ieee80211_add_virtual_monitor(struct ieee80211_local *local);
1402void ieee80211_del_virtual_monitor(struct ieee80211_local *local);
1403
1404bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata);
1405void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata);
1406int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
1407 struct cfg80211_beacon_data *params);
1408
1409static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata)
1410{
1411 return test_bit(SDATA_STATE_RUNNING, &sdata->state);
1412}
1413
1414
1415void ieee80211_clear_tx_pending(struct ieee80211_local *local);
1416void ieee80211_tx_pending(unsigned long data);
1417netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb,
1418 struct net_device *dev);
1419netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
1420 struct net_device *dev);
1421void ieee80211_purge_tx_queue(struct ieee80211_hw *hw,
1422 struct sk_buff_head *skbs);
1423
1424
1425void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata,
1426 struct ieee80211_sta_ht_cap *ht_cap);
1427bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata,
1428 struct ieee80211_supported_band *sband,
1429 const struct ieee80211_ht_cap *ht_cap_ie,
1430 struct sta_info *sta);
1431void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata,
1432 const u8 *da, u16 tid,
1433 u16 initiator, u16 reason_code);
1434int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata,
1435 enum ieee80211_smps_mode smps, const u8 *da,
1436 const u8 *bssid);
1437void ieee80211_request_smps_work(struct work_struct *work);
1438
1439void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
1440 u16 initiator, u16 reason, bool stop);
1441void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
1442 u16 initiator, u16 reason, bool stop);
1443void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta,
1444 enum ieee80211_agg_stop_reason reason);
1445void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata,
1446 struct sta_info *sta,
1447 struct ieee80211_mgmt *mgmt, size_t len);
1448void ieee80211_process_addba_resp(struct ieee80211_local *local,
1449 struct sta_info *sta,
1450 struct ieee80211_mgmt *mgmt,
1451 size_t len);
1452void ieee80211_process_addba_request(struct ieee80211_local *local,
1453 struct sta_info *sta,
1454 struct ieee80211_mgmt *mgmt,
1455 size_t len);
1456
1457int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
1458 enum ieee80211_agg_stop_reason reason);
1459int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
1460 enum ieee80211_agg_stop_reason reason);
1461void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid);
1462void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid);
1463void ieee80211_ba_session_work(struct work_struct *work);
1464void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid);
1465void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid);
1466
1467u8 ieee80211_mcs_to_chains(const struct ieee80211_mcs_info *mcs);
1468
1469
1470void
1471ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata,
1472 struct ieee80211_supported_band *sband,
1473 const struct ieee80211_vht_cap *vht_cap_ie,
1474 struct sta_info *sta);
1475enum ieee80211_sta_rx_bandwidth ieee80211_sta_cur_vht_bw(struct sta_info *sta);
1476void ieee80211_sta_set_rx_nss(struct sta_info *sta);
1477void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata,
1478 struct sta_info *sta, u8 opmode,
1479 enum ieee80211_band band, bool nss_only);
1480void ieee80211_apply_vhtcap_overrides(struct ieee80211_sub_if_data *sdata,
1481 struct ieee80211_sta_vht_cap *vht_cap);
1482
1483
1484void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata,
1485 struct ieee80211_mgmt *mgmt,
1486 size_t len);
1487
1488
1489int ieee80211_reconfig(struct ieee80211_local *local);
1490void ieee80211_stop_device(struct ieee80211_local *local);
1491
1492int __ieee80211_suspend(struct ieee80211_hw *hw,
1493 struct cfg80211_wowlan *wowlan);
1494
1495static inline int __ieee80211_resume(struct ieee80211_hw *hw)
1496{
1497 struct ieee80211_local *local = hw_to_local(hw);
1498
1499 WARN(test_bit(SCAN_HW_SCANNING, &local->scanning),
1500 "%s: resume with hardware scan still in progress\n",
1501 wiphy_name(hw->wiphy));
1502
1503 return ieee80211_reconfig(hw_to_local(hw));
1504}
1505
1506
1507extern void *mac80211_wiphy_privid;
1508u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len,
1509 enum nl80211_iftype type);
1510int ieee80211_frame_duration(enum ieee80211_band band, size_t len,
1511 int rate, int erp, int short_preamble,
1512 int shift);
1513void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx,
1514 struct ieee80211_hdr *hdr, const u8 *tsc,
1515 gfp_t gfp);
1516void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata,
1517 bool bss_notify);
1518void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
1519 enum ieee80211_band band);
1520
1521void __ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata,
1522 struct sk_buff *skb, int tid,
1523 enum ieee80211_band band);
1524
1525static inline void
1526ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata,
1527 struct sk_buff *skb, int tid,
1528 enum ieee80211_band band)
1529{
1530 rcu_read_lock();
1531 __ieee80211_tx_skb_tid_band(sdata, skb, tid, band);
1532 rcu_read_unlock();
1533}
1534
1535static inline void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata,
1536 struct sk_buff *skb, int tid)
1537{
1538 struct ieee80211_chanctx_conf *chanctx_conf;
1539
1540 rcu_read_lock();
1541 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
1542 if (WARN_ON(!chanctx_conf)) {
1543 rcu_read_unlock();
1544 kfree_skb(skb);
1545 return;
1546 }
1547
1548 __ieee80211_tx_skb_tid_band(sdata, skb, tid,
1549 chanctx_conf->def.chan->band);
1550 rcu_read_unlock();
1551}
1552
1553static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata,
1554 struct sk_buff *skb)
1555{
1556
1557 ieee80211_tx_skb_tid(sdata, skb, 7);
1558}
1559
1560u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
1561 struct ieee802_11_elems *elems,
1562 u64 filter, u32 crc);
1563static inline void ieee802_11_parse_elems(const u8 *start, size_t len,
1564 bool action,
1565 struct ieee802_11_elems *elems)
1566{
1567 ieee802_11_parse_elems_crc(start, len, action, elems, 0, 0);
1568}
1569
1570void ieee80211_dynamic_ps_enable_work(struct work_struct *work);
1571void ieee80211_dynamic_ps_disable_work(struct work_struct *work);
1572void ieee80211_dynamic_ps_timer(unsigned long data);
1573void ieee80211_send_nullfunc(struct ieee80211_local *local,
1574 struct ieee80211_sub_if_data *sdata,
1575 int powersave);
1576void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata,
1577 struct ieee80211_hdr *hdr);
1578void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata,
1579 struct ieee80211_hdr *hdr, bool ack);
1580
1581void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw,
1582 unsigned long queues,
1583 enum queue_stop_reason reason);
1584void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw,
1585 unsigned long queues,
1586 enum queue_stop_reason reason);
1587void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue,
1588 enum queue_stop_reason reason);
1589void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue,
1590 enum queue_stop_reason reason);
1591void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue);
1592void ieee80211_add_pending_skb(struct ieee80211_local *local,
1593 struct sk_buff *skb);
1594void ieee80211_add_pending_skbs_fn(struct ieee80211_local *local,
1595 struct sk_buff_head *skbs,
1596 void (*fn)(void *data), void *data);
1597static inline void ieee80211_add_pending_skbs(struct ieee80211_local *local,
1598 struct sk_buff_head *skbs)
1599{
1600 ieee80211_add_pending_skbs_fn(local, skbs, NULL, NULL);
1601}
1602void ieee80211_flush_queues(struct ieee80211_local *local,
1603 struct ieee80211_sub_if_data *sdata);
1604
1605void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
1606 u16 transaction, u16 auth_alg, u16 status,
1607 const u8 *extra, size_t extra_len, const u8 *bssid,
1608 const u8 *da, const u8 *key, u8 key_len, u8 key_idx,
1609 u32 tx_flags);
1610void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,
1611 const u8 *bssid, u16 stype, u16 reason,
1612 bool send_frame, u8 *frame_buf);
1613int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
1614 size_t buffer_len, const u8 *ie, size_t ie_len,
1615 enum ieee80211_band band, u32 rate_mask,
1616 struct cfg80211_chan_def *chandef);
1617struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
1618 u8 *dst, u32 ratemask,
1619 struct ieee80211_channel *chan,
1620 const u8 *ssid, size_t ssid_len,
1621 const u8 *ie, size_t ie_len,
1622 bool directed);
1623void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
1624 const u8 *ssid, size_t ssid_len,
1625 const u8 *ie, size_t ie_len,
1626 u32 ratemask, bool directed, u32 tx_flags,
1627 struct ieee80211_channel *channel, bool scan);
1628
1629u32 ieee80211_sta_get_rates(struct ieee80211_sub_if_data *sdata,
1630 struct ieee802_11_elems *elems,
1631 enum ieee80211_band band, u32 *basic_rates);
1632int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
1633 enum ieee80211_smps_mode smps_mode);
1634void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata);
1635
1636size_t ieee80211_ie_split(const u8 *ies, size_t ielen,
1637 const u8 *ids, int n_ids, size_t offset);
1638size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset);
1639u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
1640 u16 cap);
1641u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
1642 const struct cfg80211_chan_def *chandef,
1643 u16 prot_mode);
1644u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap,
1645 u32 cap);
1646int ieee80211_parse_bitrates(struct cfg80211_chan_def *chandef,
1647 const struct ieee80211_supported_band *sband,
1648 const u8 *srates, int srates_len, u32 *rates);
1649int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata,
1650 struct sk_buff *skb, bool need_basic,
1651 enum ieee80211_band band);
1652int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata,
1653 struct sk_buff *skb, bool need_basic,
1654 enum ieee80211_band band);
1655
1656
1657void ieee80211_ht_oper_to_chandef(struct ieee80211_channel *control_chan,
1658 const struct ieee80211_ht_operation *ht_oper,
1659 struct cfg80211_chan_def *chandef);
1660
1661int __must_check
1662ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata,
1663 const struct cfg80211_chan_def *chandef,
1664 enum ieee80211_chanctx_mode mode);
1665int __must_check
1666ieee80211_vif_change_bandwidth(struct ieee80211_sub_if_data *sdata,
1667 const struct cfg80211_chan_def *chandef,
1668 u32 *changed);
1669
1670int __must_check
1671ieee80211_vif_change_channel(struct ieee80211_sub_if_data *sdata,
1672 const struct cfg80211_chan_def *chandef,
1673 u32 *changed);
1674void ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata);
1675void ieee80211_vif_vlan_copy_chanctx(struct ieee80211_sub_if_data *sdata);
1676void ieee80211_vif_copy_chanctx_to_vlans(struct ieee80211_sub_if_data *sdata,
1677 bool clear);
1678
1679void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local,
1680 struct ieee80211_chanctx *chanctx);
1681void ieee80211_recalc_radar_chanctx(struct ieee80211_local *local,
1682 struct ieee80211_chanctx *chanctx);
1683
1684void ieee80211_dfs_cac_timer(unsigned long data);
1685void ieee80211_dfs_cac_timer_work(struct work_struct *work);
1686void ieee80211_dfs_cac_cancel(struct ieee80211_local *local);
1687void ieee80211_dfs_radar_detected_work(struct work_struct *work);
1688
1689#ifdef CONFIG_MAC80211_NOINLINE
1690#define debug_noinline noinline
1691#else
1692#define debug_noinline
1693#endif
1694
1695#endif
1696