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13#ifndef IEEE80211_I_H
14#define IEEE80211_I_H
15
16#include <linux/kernel.h>
17#include <linux/device.h>
18#include <linux/if_ether.h>
19#include <linux/interrupt.h>
20#include <linux/list.h>
21#include <linux/netdevice.h>
22#include <linux/skbuff.h>
23#include <linux/workqueue.h>
24#include <linux/types.h>
25#include <linux/spinlock.h>
26#include <linux/etherdevice.h>
27#include <linux/leds.h>
28#include <linux/idr.h>
29#include <linux/rhashtable.h>
30#include <net/ieee80211_radiotap.h>
31#include <net/cfg80211.h>
32#include <net/mac80211.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
56
57
58#define IEEE80211_FRAGMENT_MAX 4
59
60
61#define IEEE80211_UNSET_POWER_LEVEL INT_MIN
62
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79
80
81#define IEEE80211_DEFAULT_UAPSD_QUEUES 0
82
83#define IEEE80211_DEFAULT_MAX_SP_LEN \
84 IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL
85
86#define IEEE80211_DEAUTH_FRAME_LEN (24 + 2 )
87
88struct ieee80211_fragment_entry {
89 struct sk_buff_head skb_list;
90 unsigned long first_frag_time;
91 u16 seq;
92 u16 extra_len;
93 u16 last_frag;
94 u8 rx_queue;
95 bool check_sequential_pn;
96 u8 last_pn[6];
97};
98
99
100struct ieee80211_bss {
101 u32 device_ts_beacon, device_ts_presp;
102
103 bool wmm_used;
104 bool uapsd_supported;
105
106#define IEEE80211_MAX_SUPP_RATES 32
107 u8 supp_rates[IEEE80211_MAX_SUPP_RATES];
108 size_t supp_rates_len;
109 struct ieee80211_rate *beacon_rate;
110
111
112
113
114
115
116
117 bool has_erp_value;
118 u8 erp_value;
119
120
121 u8 corrupt_data;
122
123
124 u8 valid_data;
125};
126
127
128
129
130
131
132
133
134
135enum ieee80211_bss_corrupt_data_flags {
136 IEEE80211_BSS_CORRUPT_BEACON = BIT(0),
137 IEEE80211_BSS_CORRUPT_PROBE_RESP = BIT(1)
138};
139
140
141
142
143
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149
150
151enum ieee80211_bss_valid_data_flags {
152 IEEE80211_BSS_VALID_WMM = BIT(1),
153 IEEE80211_BSS_VALID_RATES = BIT(2),
154 IEEE80211_BSS_VALID_ERP = BIT(3)
155};
156
157typedef unsigned __bitwise__ ieee80211_tx_result;
158#define TX_CONTINUE ((__force ieee80211_tx_result) 0u)
159#define TX_DROP ((__force ieee80211_tx_result) 1u)
160#define TX_QUEUED ((__force ieee80211_tx_result) 2u)
161
162#define IEEE80211_TX_UNICAST BIT(1)
163#define IEEE80211_TX_PS_BUFFERED BIT(2)
164
165struct ieee80211_tx_data {
166 struct sk_buff *skb;
167 struct sk_buff_head skbs;
168 struct ieee80211_local *local;
169 struct ieee80211_sub_if_data *sdata;
170 struct sta_info *sta;
171 struct ieee80211_key *key;
172 struct ieee80211_tx_rate rate;
173
174 unsigned int flags;
175};
176
177
178typedef unsigned __bitwise__ ieee80211_rx_result;
179#define RX_CONTINUE ((__force ieee80211_rx_result) 0u)
180#define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u)
181#define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u)
182#define RX_QUEUED ((__force ieee80211_rx_result) 3u)
183
184
185
186
187
188
189
190
191
192
193enum ieee80211_packet_rx_flags {
194 IEEE80211_RX_AMSDU = BIT(3),
195 IEEE80211_RX_MALFORMED_ACTION_FRM = BIT(4),
196 IEEE80211_RX_DEFERRED_RELEASE = BIT(5),
197};
198
199
200
201
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206
207
208
209enum ieee80211_rx_flags {
210 IEEE80211_RX_CMNTR = BIT(0),
211 IEEE80211_RX_BEACON_REPORTED = BIT(1),
212};
213
214struct ieee80211_rx_data {
215 struct napi_struct *napi;
216 struct sk_buff *skb;
217 struct ieee80211_local *local;
218 struct ieee80211_sub_if_data *sdata;
219 struct sta_info *sta;
220 struct ieee80211_key *key;
221
222 unsigned int flags;
223
224
225
226
227
228
229 int seqno_idx;
230
231
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233
234
235
236
237 int security_idx;
238
239 u32 tkip_iv32;
240 u16 tkip_iv16;
241};
242
243struct ieee80211_csa_settings {
244 const u16 *counter_offsets_beacon;
245 const u16 *counter_offsets_presp;
246
247 int n_counter_offsets_beacon;
248 int n_counter_offsets_presp;
249
250 u8 count;
251};
252
253struct beacon_data {
254 u8 *head, *tail;
255 int head_len, tail_len;
256 struct ieee80211_meshconf_ie *meshconf;
257 u16 csa_counter_offsets[IEEE80211_MAX_CSA_COUNTERS_NUM];
258 u8 csa_current_counter;
259 struct rcu_head rcu_head;
260};
261
262struct probe_resp {
263 struct rcu_head rcu_head;
264 int len;
265 u16 csa_counter_offsets[IEEE80211_MAX_CSA_COUNTERS_NUM];
266 u8 data[0];
267};
268
269struct ps_data {
270
271
272
273 u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]
274 __aligned(__alignof__(unsigned long));
275 struct sk_buff_head bc_buf;
276 atomic_t num_sta_ps;
277 int dtim_count;
278 bool dtim_bc_mc;
279};
280
281struct ieee80211_if_ap {
282 struct beacon_data __rcu *beacon;
283 struct probe_resp __rcu *probe_resp;
284
285
286 struct cfg80211_beacon_data *next_beacon;
287 struct list_head vlans;
288
289 struct ps_data ps;
290 atomic_t num_mcast_sta;
291 enum ieee80211_smps_mode req_smps,
292 driver_smps_mode;
293
294 struct work_struct request_smps_work;
295};
296
297struct ieee80211_if_wds {
298 struct sta_info *sta;
299 u8 remote_addr[ETH_ALEN];
300};
301
302struct ieee80211_if_vlan {
303 struct list_head list;
304
305
306 struct sta_info __rcu *sta;
307};
308
309struct mesh_stats {
310 __u32 fwded_mcast;
311 __u32 fwded_unicast;
312 __u32 fwded_frames;
313 __u32 dropped_frames_ttl;
314 __u32 dropped_frames_no_route;
315 __u32 dropped_frames_congestion;
316};
317
318#define PREQ_Q_F_START 0x1
319#define PREQ_Q_F_REFRESH 0x2
320struct mesh_preq_queue {
321 struct list_head list;
322 u8 dst[ETH_ALEN];
323 u8 flags;
324};
325
326struct ieee80211_roc_work {
327 struct list_head list;
328
329 struct ieee80211_sub_if_data *sdata;
330
331 struct ieee80211_channel *chan;
332
333 bool started, abort, hw_begun, notified;
334 bool on_channel;
335
336 unsigned long start_time;
337
338 u32 duration, req_duration;
339 struct sk_buff *frame;
340 u64 cookie, mgmt_tx_cookie;
341 enum ieee80211_roc_type type;
342};
343
344
345enum ieee80211_sta_flags {
346 IEEE80211_STA_CONNECTION_POLL = BIT(1),
347 IEEE80211_STA_CONTROL_PORT = BIT(2),
348 IEEE80211_STA_DISABLE_HT = BIT(4),
349 IEEE80211_STA_MFP_ENABLED = BIT(6),
350 IEEE80211_STA_UAPSD_ENABLED = BIT(7),
351 IEEE80211_STA_NULLFUNC_ACKED = BIT(8),
352 IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9),
353 IEEE80211_STA_DISABLE_40MHZ = BIT(10),
354 IEEE80211_STA_DISABLE_VHT = BIT(11),
355 IEEE80211_STA_DISABLE_80P80MHZ = BIT(12),
356 IEEE80211_STA_DISABLE_160MHZ = BIT(13),
357 IEEE80211_STA_DISABLE_WMM = BIT(14),
358 IEEE80211_STA_ENABLE_RRM = BIT(15),
359};
360
361struct ieee80211_mgd_auth_data {
362 struct cfg80211_bss *bss;
363 unsigned long timeout;
364 int tries;
365 u16 algorithm, expected_transaction;
366
367 u8 key[WLAN_KEY_LEN_WEP104];
368 u8 key_len, key_idx;
369 bool done;
370 bool timeout_started;
371
372 u16 sae_trans, sae_status;
373 size_t data_len;
374 u8 data[];
375};
376
377struct ieee80211_mgd_assoc_data {
378 struct cfg80211_bss *bss;
379 const u8 *supp_rates;
380
381 unsigned long timeout;
382 int tries;
383
384 u16 capability;
385 u8 prev_bssid[ETH_ALEN];
386 u8 ssid[IEEE80211_MAX_SSID_LEN];
387 u8 ssid_len;
388 u8 supp_rates_len;
389 bool wmm, uapsd;
390 bool need_beacon;
391 bool synced;
392 bool timeout_started;
393
394 u8 ap_ht_param;
395
396 struct ieee80211_vht_cap ap_vht_cap;
397
398 size_t ie_len;
399 u8 ie[];
400};
401
402struct ieee80211_sta_tx_tspec {
403
404 unsigned long time_slice_start;
405
406 u32 admitted_time;
407 u8 tsid;
408 s8 up;
409
410
411 u32 consumed_tx_time;
412 enum {
413 TX_TSPEC_ACTION_NONE = 0,
414 TX_TSPEC_ACTION_DOWNGRADE,
415 TX_TSPEC_ACTION_STOP_DOWNGRADE,
416 } action;
417 bool downgraded;
418};
419
420DECLARE_EWMA(beacon_signal, 16, 4)
421
422struct ieee80211_if_managed {
423 struct timer_list timer;
424 struct timer_list conn_mon_timer;
425 struct timer_list bcn_mon_timer;
426 struct timer_list chswitch_timer;
427 struct work_struct monitor_work;
428 struct work_struct chswitch_work;
429 struct work_struct beacon_connection_loss_work;
430 struct work_struct csa_connection_drop_work;
431
432 unsigned long beacon_timeout;
433 unsigned long probe_timeout;
434 int probe_send_count;
435 bool nullfunc_failed;
436 bool connection_loss;
437
438 struct cfg80211_bss *associated;
439 struct ieee80211_mgd_auth_data *auth_data;
440 struct ieee80211_mgd_assoc_data *assoc_data;
441
442 u8 bssid[ETH_ALEN];
443
444 u16 aid;
445
446 bool powersave;
447 bool broken_ap;
448 bool have_beacon;
449 u8 dtim_period;
450 enum ieee80211_smps_mode req_smps,
451 driver_smps_mode;
452
453 struct work_struct request_smps_work;
454
455 unsigned int flags;
456
457 bool csa_waiting_bcn;
458 bool csa_ignored_same_chan;
459
460 bool beacon_crc_valid;
461 u32 beacon_crc;
462
463 bool status_acked;
464 bool status_received;
465 __le16 status_fc;
466
467 enum {
468 IEEE80211_MFP_DISABLED,
469 IEEE80211_MFP_OPTIONAL,
470 IEEE80211_MFP_REQUIRED
471 } mfp;
472
473
474
475
476
477
478 unsigned int uapsd_queues;
479
480
481
482
483
484
485 unsigned int uapsd_max_sp_len;
486
487 int wmm_last_param_set;
488
489 u8 use_4addr;
490
491 s16 p2p_noa_index;
492
493 struct ewma_beacon_signal ave_beacon_signal;
494
495
496
497
498
499
500 unsigned int count_beacon_signal;
501
502
503 unsigned int beacon_loss_count;
504
505
506
507
508
509
510 int last_cqm_event_signal;
511
512
513
514
515
516
517 int rssi_min_thold, rssi_max_thold;
518 int last_ave_beacon_signal;
519
520 struct ieee80211_ht_cap ht_capa;
521 struct ieee80211_ht_cap ht_capa_mask;
522 struct ieee80211_vht_cap vht_capa;
523 struct ieee80211_vht_cap vht_capa_mask;
524
525
526 u8 tdls_peer[ETH_ALEN] __aligned(2);
527 struct delayed_work tdls_peer_del_work;
528 struct sk_buff *orig_teardown_skb;
529 struct sk_buff *teardown_skb;
530 spinlock_t teardown_lock;
531 bool tdls_chan_switch_prohibited;
532 bool tdls_wider_bw_prohibited;
533
534
535 struct ieee80211_sta_tx_tspec tx_tspec[IEEE80211_NUM_ACS];
536
537
538
539
540
541
542 struct delayed_work tx_tspec_wk;
543};
544
545struct ieee80211_if_ibss {
546 struct timer_list timer;
547 struct work_struct csa_connection_drop_work;
548
549 unsigned long last_scan_completed;
550
551 u32 basic_rates;
552
553 bool fixed_bssid;
554 bool fixed_channel;
555 bool privacy;
556
557 bool control_port;
558 bool userspace_handles_dfs;
559
560 u8 bssid[ETH_ALEN] __aligned(2);
561 u8 ssid[IEEE80211_MAX_SSID_LEN];
562 u8 ssid_len, ie_len;
563 u8 *ie;
564 struct cfg80211_chan_def chandef;
565
566 unsigned long ibss_join_req;
567
568 struct beacon_data __rcu *presp;
569
570 struct ieee80211_ht_cap ht_capa;
571 struct ieee80211_ht_cap ht_capa_mask;
572
573 spinlock_t incomplete_lock;
574 struct list_head incomplete_stations;
575
576 enum {
577 IEEE80211_IBSS_MLME_SEARCH,
578 IEEE80211_IBSS_MLME_JOINED,
579 } state;
580};
581
582
583
584
585
586
587
588
589
590
591struct ieee80211_if_ocb {
592 struct timer_list housekeeping_timer;
593 unsigned long wrkq_flags;
594
595 spinlock_t incomplete_lock;
596 struct list_head incomplete_stations;
597
598 bool joined;
599};
600
601
602
603
604
605
606
607
608struct ieee802_11_elems;
609struct ieee80211_mesh_sync_ops {
610 void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata,
611 u16 stype,
612 struct ieee80211_mgmt *mgmt,
613 struct ieee802_11_elems *elems,
614 struct ieee80211_rx_status *rx_status);
615
616
617 void (*adjust_tbtt)(struct ieee80211_sub_if_data *sdata,
618 struct beacon_data *beacon);
619
620};
621
622struct mesh_csa_settings {
623 struct rcu_head rcu_head;
624 struct cfg80211_csa_settings settings;
625};
626
627struct ieee80211_if_mesh {
628 struct timer_list housekeeping_timer;
629 struct timer_list mesh_path_timer;
630 struct timer_list mesh_path_root_timer;
631
632 unsigned long wrkq_flags;
633 unsigned long mbss_changed;
634
635 u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN];
636 size_t mesh_id_len;
637
638 u8 mesh_pp_id;
639
640 u8 mesh_pm_id;
641
642 u8 mesh_cc_id;
643
644 u8 mesh_sp_id;
645
646 u8 mesh_auth_id;
647
648 u32 sn;
649
650 u32 preq_id;
651 atomic_t mpaths;
652
653 unsigned long last_sn_update;
654
655 unsigned long next_perr;
656
657 unsigned long last_preq;
658 struct mesh_rmc *rmc;
659 spinlock_t mesh_preq_queue_lock;
660 struct mesh_preq_queue preq_queue;
661 int preq_queue_len;
662 struct mesh_stats mshstats;
663 struct mesh_config mshcfg;
664 atomic_t estab_plinks;
665 u32 mesh_seqnum;
666 bool accepting_plinks;
667 int num_gates;
668 struct beacon_data __rcu *beacon;
669 const u8 *ie;
670 u8 ie_len;
671 enum {
672 IEEE80211_MESH_SEC_NONE = 0x0,
673 IEEE80211_MESH_SEC_AUTHED = 0x1,
674 IEEE80211_MESH_SEC_SECURED = 0x2,
675 } security;
676 bool user_mpm;
677
678 const struct ieee80211_mesh_sync_ops *sync_ops;
679 s64 sync_offset_clockdrift_max;
680 spinlock_t sync_offset_lock;
681 bool adjusting_tbtt;
682
683 enum nl80211_mesh_power_mode nonpeer_pm;
684 int ps_peers_light_sleep;
685 int ps_peers_deep_sleep;
686 struct ps_data ps;
687
688 struct mesh_csa_settings __rcu *csa;
689 enum {
690 IEEE80211_MESH_CSA_ROLE_NONE,
691 IEEE80211_MESH_CSA_ROLE_INIT,
692 IEEE80211_MESH_CSA_ROLE_REPEATER,
693 } csa_role;
694 u8 chsw_ttl;
695 u16 pre_value;
696
697
698 int meshconf_offset;
699};
700
701#ifdef CONFIG_MAC80211_MESH
702#define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \
703 do { (msh)->mshstats.name++; } while (0)
704#else
705#define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \
706 do { } while (0)
707#endif
708
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718
719
720enum ieee80211_sub_if_data_flags {
721 IEEE80211_SDATA_ALLMULTI = BIT(0),
722 IEEE80211_SDATA_OPERATING_GMODE = BIT(2),
723 IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3),
724 IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4),
725 IEEE80211_SDATA_IN_DRIVER = BIT(5),
726};
727
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736
737
738enum ieee80211_sdata_state_bits {
739 SDATA_STATE_RUNNING,
740 SDATA_STATE_OFFCHANNEL,
741 SDATA_STATE_OFFCHANNEL_BEACON_STOPPED,
742};
743
744
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747
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749
750
751
752
753enum ieee80211_chanctx_mode {
754 IEEE80211_CHANCTX_SHARED,
755 IEEE80211_CHANCTX_EXCLUSIVE
756};
757
758
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766
767
768
769
770enum ieee80211_chanctx_replace_state {
771 IEEE80211_CHANCTX_REPLACE_NONE,
772 IEEE80211_CHANCTX_WILL_BE_REPLACED,
773 IEEE80211_CHANCTX_REPLACES_OTHER,
774};
775
776struct ieee80211_chanctx {
777 struct list_head list;
778 struct rcu_head rcu_head;
779
780 struct list_head assigned_vifs;
781 struct list_head reserved_vifs;
782
783 enum ieee80211_chanctx_replace_state replace_state;
784 struct ieee80211_chanctx *replace_ctx;
785
786 enum ieee80211_chanctx_mode mode;
787 bool driver_present;
788
789 struct ieee80211_chanctx_conf conf;
790};
791
792struct mac80211_qos_map {
793 struct cfg80211_qos_map qos_map;
794 struct rcu_head rcu_head;
795};
796
797enum txq_info_flags {
798 IEEE80211_TXQ_STOP,
799 IEEE80211_TXQ_AMPDU,
800};
801
802struct txq_info {
803 struct sk_buff_head queue;
804 unsigned long flags;
805 unsigned long byte_cnt;
806
807
808 struct ieee80211_txq txq;
809};
810
811struct ieee80211_sub_if_data {
812 struct list_head list;
813
814 struct wireless_dev wdev;
815
816
817 struct list_head key_list;
818
819
820 int crypto_tx_tailroom_needed_cnt;
821 int crypto_tx_tailroom_pending_dec;
822 struct delayed_work dec_tailroom_needed_wk;
823
824 struct net_device *dev;
825 struct ieee80211_local *local;
826
827 unsigned int flags;
828
829 unsigned long state;
830
831 char name[IFNAMSIZ];
832
833
834 struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX];
835 unsigned int fragment_next;
836
837
838 u16 noack_map;
839
840
841 u8 wmm_acm;
842
843 struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS];
844 struct ieee80211_key __rcu *default_unicast_key;
845 struct ieee80211_key __rcu *default_multicast_key;
846 struct ieee80211_key __rcu *default_mgmt_key;
847
848 u16 sequence_number;
849 __be16 control_port_protocol;
850 bool control_port_no_encrypt;
851 int encrypt_headroom;
852
853 atomic_t txqs_len[IEEE80211_NUM_ACS];
854 struct ieee80211_tx_queue_params tx_conf[IEEE80211_NUM_ACS];
855 struct mac80211_qos_map __rcu *qos_map;
856
857 struct work_struct csa_finalize_work;
858 bool csa_block_tx;
859 struct cfg80211_chan_def csa_chandef;
860
861 struct list_head assigned_chanctx_list;
862 struct list_head reserved_chanctx_list;
863
864
865 struct ieee80211_chanctx *reserved_chanctx;
866 struct cfg80211_chan_def reserved_chandef;
867 bool reserved_radar_required;
868 bool reserved_ready;
869
870
871 struct work_struct recalc_smps;
872
873 struct work_struct work;
874 struct sk_buff_head skb_queue;
875
876 u8 needed_rx_chains;
877 enum ieee80211_smps_mode smps_mode;
878
879 int user_power_level;
880 int ap_power_level;
881
882 bool radar_required;
883 struct delayed_work dfs_cac_timer_work;
884
885
886
887
888
889
890 struct ieee80211_if_ap *bss;
891
892
893 u32 rc_rateidx_mask[IEEE80211_NUM_BANDS];
894
895 bool rc_has_mcs_mask[IEEE80211_NUM_BANDS];
896 u8 rc_rateidx_mcs_mask[IEEE80211_NUM_BANDS][IEEE80211_HT_MCS_MASK_LEN];
897
898 bool rc_has_vht_mcs_mask[IEEE80211_NUM_BANDS];
899 u16 rc_rateidx_vht_mcs_mask[IEEE80211_NUM_BANDS][NL80211_VHT_NSS_MAX];
900
901 union {
902 struct ieee80211_if_ap ap;
903 struct ieee80211_if_wds wds;
904 struct ieee80211_if_vlan vlan;
905 struct ieee80211_if_managed mgd;
906 struct ieee80211_if_ibss ibss;
907 struct ieee80211_if_mesh mesh;
908 struct ieee80211_if_ocb ocb;
909 u32 mntr_flags;
910 } u;
911
912#ifdef CONFIG_MAC80211_DEBUGFS
913 struct {
914 struct dentry *subdir_stations;
915 struct dentry *default_unicast_key;
916 struct dentry *default_multicast_key;
917 struct dentry *default_mgmt_key;
918 } debugfs;
919#endif
920
921
922 struct ieee80211_vif vif;
923};
924
925static inline
926struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p)
927{
928 return container_of(p, struct ieee80211_sub_if_data, vif);
929}
930
931static inline void sdata_lock(struct ieee80211_sub_if_data *sdata)
932 __acquires(&sdata->wdev.mtx)
933{
934 mutex_lock(&sdata->wdev.mtx);
935 __acquire(&sdata->wdev.mtx);
936}
937
938static inline void sdata_unlock(struct ieee80211_sub_if_data *sdata)
939 __releases(&sdata->wdev.mtx)
940{
941 mutex_unlock(&sdata->wdev.mtx);
942 __release(&sdata->wdev.mtx);
943}
944
945#define sdata_dereference(p, sdata) \
946 rcu_dereference_protected(p, lockdep_is_held(&sdata->wdev.mtx))
947
948static inline void
949sdata_assert_lock(struct ieee80211_sub_if_data *sdata)
950{
951 lockdep_assert_held(&sdata->wdev.mtx);
952}
953
954static inline enum ieee80211_band
955ieee80211_get_sdata_band(struct ieee80211_sub_if_data *sdata)
956{
957 enum ieee80211_band band = IEEE80211_BAND_2GHZ;
958 struct ieee80211_chanctx_conf *chanctx_conf;
959
960 rcu_read_lock();
961 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
962 if (!WARN_ON(!chanctx_conf))
963 band = chanctx_conf->def.chan->band;
964 rcu_read_unlock();
965
966 return band;
967}
968
969static inline int
970ieee80211_chandef_get_shift(struct cfg80211_chan_def *chandef)
971{
972 switch (chandef->width) {
973 case NL80211_CHAN_WIDTH_5:
974 return 2;
975 case NL80211_CHAN_WIDTH_10:
976 return 1;
977 default:
978 return 0;
979 }
980}
981
982static inline int
983ieee80211_vif_get_shift(struct ieee80211_vif *vif)
984{
985 struct ieee80211_chanctx_conf *chanctx_conf;
986 int shift = 0;
987
988 rcu_read_lock();
989 chanctx_conf = rcu_dereference(vif->chanctx_conf);
990 if (chanctx_conf)
991 shift = ieee80211_chandef_get_shift(&chanctx_conf->def);
992 rcu_read_unlock();
993
994 return shift;
995}
996
997struct ieee80211_rx_agg {
998 u8 addr[ETH_ALEN];
999 u16 tid;
1000};
1001
1002enum sdata_queue_type {
1003 IEEE80211_SDATA_QUEUE_TYPE_FRAME = 0,
1004 IEEE80211_SDATA_QUEUE_AGG_START = 1,
1005 IEEE80211_SDATA_QUEUE_AGG_STOP = 2,
1006 IEEE80211_SDATA_QUEUE_RX_AGG_START = 3,
1007 IEEE80211_SDATA_QUEUE_RX_AGG_STOP = 4,
1008};
1009
1010enum {
1011 IEEE80211_RX_MSG = 1,
1012 IEEE80211_TX_STATUS_MSG = 2,
1013};
1014
1015enum queue_stop_reason {
1016 IEEE80211_QUEUE_STOP_REASON_DRIVER,
1017 IEEE80211_QUEUE_STOP_REASON_PS,
1018 IEEE80211_QUEUE_STOP_REASON_CSA,
1019 IEEE80211_QUEUE_STOP_REASON_AGGREGATION,
1020 IEEE80211_QUEUE_STOP_REASON_SUSPEND,
1021 IEEE80211_QUEUE_STOP_REASON_SKB_ADD,
1022 IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL,
1023 IEEE80211_QUEUE_STOP_REASON_FLUSH,
1024 IEEE80211_QUEUE_STOP_REASON_TDLS_TEARDOWN,
1025 IEEE80211_QUEUE_STOP_REASON_RESERVE_TID,
1026
1027 IEEE80211_QUEUE_STOP_REASONS,
1028};
1029
1030#ifdef CONFIG_MAC80211_LEDS
1031struct tpt_led_trigger {
1032 char name[32];
1033 const struct ieee80211_tpt_blink *blink_table;
1034 unsigned int blink_table_len;
1035 struct timer_list timer;
1036 unsigned long prev_traffic;
1037 unsigned long tx_bytes, rx_bytes;
1038 unsigned int active, want;
1039 bool running;
1040};
1041#endif
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059enum {
1060 SCAN_SW_SCANNING,
1061 SCAN_HW_SCANNING,
1062 SCAN_ONCHANNEL_SCANNING,
1063 SCAN_COMPLETED,
1064 SCAN_ABORTED,
1065 SCAN_HW_CANCELLED,
1066};
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081enum mac80211_scan_state {
1082 SCAN_DECISION,
1083 SCAN_SET_CHANNEL,
1084 SCAN_SEND_PROBE,
1085 SCAN_SUSPEND,
1086 SCAN_RESUME,
1087 SCAN_ABORT,
1088};
1089
1090struct ieee80211_local {
1091
1092
1093
1094 struct ieee80211_hw hw;
1095
1096 const struct ieee80211_ops *ops;
1097
1098
1099
1100
1101
1102 struct workqueue_struct *workqueue;
1103
1104 unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES];
1105 int q_stop_reasons[IEEE80211_MAX_QUEUES][IEEE80211_QUEUE_STOP_REASONS];
1106
1107 spinlock_t queue_stop_reason_lock;
1108
1109 int open_count;
1110 int monitors, cooked_mntrs;
1111
1112 int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll,
1113 fif_probe_req;
1114 int probe_req_reg;
1115 unsigned int filter_flags;
1116
1117 bool wiphy_ciphers_allocated;
1118
1119 bool use_chanctx;
1120
1121
1122 spinlock_t filter_lock;
1123
1124
1125 struct work_struct reconfig_filter;
1126
1127
1128 struct netdev_hw_addr_list mc_list;
1129
1130 bool tim_in_locked_section;
1131
1132
1133
1134
1135
1136
1137
1138 bool suspended;
1139
1140
1141
1142
1143
1144
1145
1146 bool resuming;
1147
1148
1149
1150
1151
1152 bool quiescing;
1153
1154
1155 bool started;
1156
1157
1158 bool in_reconfig;
1159
1160
1161 bool wowlan;
1162
1163 struct work_struct radar_detected_work;
1164
1165
1166 u8 rx_chains;
1167
1168 int tx_headroom;
1169
1170
1171
1172
1173
1174#define IEEE80211_IRQSAFE_QUEUE_LIMIT 128
1175 struct tasklet_struct tasklet;
1176 struct sk_buff_head skb_queue;
1177 struct sk_buff_head skb_queue_unreliable;
1178
1179 spinlock_t rx_path_lock;
1180
1181
1182
1183
1184
1185
1186 struct mutex sta_mtx;
1187 spinlock_t tim_lock;
1188 unsigned long num_sta;
1189 struct list_head sta_list;
1190 struct rhashtable sta_hash;
1191 struct timer_list sta_cleanup;
1192 int sta_generation;
1193
1194 struct sk_buff_head pending[IEEE80211_MAX_QUEUES];
1195 struct tasklet_struct tx_pending_tasklet;
1196
1197 atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES];
1198
1199
1200 atomic_t iff_allmultis;
1201
1202 struct rate_control_ref *rate_ctrl;
1203
1204 struct crypto_cipher *wep_tx_tfm;
1205 struct crypto_cipher *wep_rx_tfm;
1206 u32 wep_iv;
1207
1208
1209 struct list_head interfaces;
1210 struct mutex iflist_mtx;
1211
1212
1213
1214
1215
1216 struct mutex key_mtx;
1217
1218
1219 struct mutex mtx;
1220
1221
1222 unsigned long scanning;
1223 struct cfg80211_ssid scan_ssid;
1224 struct cfg80211_scan_request *int_scan_req;
1225 struct cfg80211_scan_request __rcu *scan_req;
1226 struct ieee80211_scan_request *hw_scan_req;
1227 struct cfg80211_chan_def scan_chandef;
1228 enum ieee80211_band hw_scan_band;
1229 int scan_channel_idx;
1230 int scan_ies_len;
1231 int hw_scan_ies_bufsize;
1232
1233 struct work_struct sched_scan_stopped_work;
1234 struct ieee80211_sub_if_data __rcu *sched_scan_sdata;
1235 struct cfg80211_sched_scan_request __rcu *sched_scan_req;
1236 u8 scan_addr[ETH_ALEN];
1237
1238 unsigned long leave_oper_channel_time;
1239 enum mac80211_scan_state next_scan_state;
1240 struct delayed_work scan_work;
1241 struct ieee80211_sub_if_data __rcu *scan_sdata;
1242
1243 struct cfg80211_chan_def _oper_chandef;
1244
1245
1246 struct ieee80211_channel *tmp_channel;
1247
1248
1249 struct list_head chanctx_list;
1250 struct mutex chanctx_mtx;
1251
1252#ifdef CONFIG_MAC80211_LEDS
1253 struct led_trigger tx_led, rx_led, assoc_led, radio_led;
1254 struct led_trigger tpt_led;
1255 atomic_t tx_led_active, rx_led_active, assoc_led_active;
1256 atomic_t radio_led_active, tpt_led_active;
1257 struct tpt_led_trigger *tpt_led_trigger;
1258#endif
1259
1260#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
1261
1262
1263 u32 dot11TransmittedFragmentCount;
1264 u32 dot11MulticastTransmittedFrameCount;
1265 u32 dot11FailedCount;
1266 u32 dot11RetryCount;
1267 u32 dot11MultipleRetryCount;
1268 u32 dot11FrameDuplicateCount;
1269 u32 dot11ReceivedFragmentCount;
1270 u32 dot11MulticastReceivedFrameCount;
1271 u32 dot11TransmittedFrameCount;
1272
1273
1274 unsigned int tx_handlers_drop;
1275 unsigned int tx_handlers_queued;
1276 unsigned int tx_handlers_drop_wep;
1277 unsigned int tx_handlers_drop_not_assoc;
1278 unsigned int tx_handlers_drop_unauth_port;
1279 unsigned int rx_handlers_drop;
1280 unsigned int rx_handlers_queued;
1281 unsigned int rx_handlers_drop_nullfunc;
1282 unsigned int rx_handlers_drop_defrag;
1283 unsigned int tx_expand_skb_head;
1284 unsigned int tx_expand_skb_head_cloned;
1285 unsigned int rx_expand_skb_head_defrag;
1286 unsigned int rx_handlers_fragments;
1287 unsigned int tx_status_drop;
1288#define I802_DEBUG_INC(c) (c)++
1289#else
1290#define I802_DEBUG_INC(c) do { } while (0)
1291#endif
1292
1293
1294 int total_ps_buffered;
1295
1296
1297
1298 bool pspolling;
1299 bool offchannel_ps_enabled;
1300
1301
1302
1303
1304 struct ieee80211_sub_if_data *ps_sdata;
1305 struct work_struct dynamic_ps_enable_work;
1306 struct work_struct dynamic_ps_disable_work;
1307 struct timer_list dynamic_ps_timer;
1308 struct notifier_block ifa_notifier;
1309 struct notifier_block ifa6_notifier;
1310
1311
1312
1313
1314
1315 int dynamic_ps_forced_timeout;
1316
1317 int user_power_level;
1318
1319 enum ieee80211_smps_mode smps_mode;
1320
1321 struct work_struct restart_work;
1322
1323#ifdef CONFIG_MAC80211_DEBUGFS
1324 struct local_debugfsdentries {
1325 struct dentry *rcdir;
1326 struct dentry *keys;
1327 } debugfs;
1328#endif
1329
1330
1331
1332
1333 struct delayed_work roc_work;
1334 struct list_head roc_list;
1335 struct work_struct hw_roc_start, hw_roc_done;
1336 unsigned long hw_roc_start_time;
1337 u64 roc_cookie_counter;
1338
1339 struct idr ack_status_frames;
1340 spinlock_t ack_status_lock;
1341
1342 struct ieee80211_sub_if_data __rcu *p2p_sdata;
1343
1344
1345 struct ieee80211_sub_if_data __rcu *monitor_sdata;
1346 struct cfg80211_chan_def monitor_chandef;
1347
1348
1349 u8 ext_capa[8];
1350
1351
1352 struct work_struct tdls_chsw_work;
1353 struct sk_buff_head skb_queue_tdls_chsw;
1354};
1355
1356static inline struct ieee80211_sub_if_data *
1357IEEE80211_DEV_TO_SUB_IF(struct net_device *dev)
1358{
1359 return netdev_priv(dev);
1360}
1361
1362static inline struct ieee80211_sub_if_data *
1363IEEE80211_WDEV_TO_SUB_IF(struct wireless_dev *wdev)
1364{
1365 return container_of(wdev, struct ieee80211_sub_if_data, wdev);
1366}
1367
1368
1369struct ieee80211_ra_tid {
1370 u8 ra[ETH_ALEN];
1371 u16 tid;
1372};
1373
1374
1375struct ieee80211_csa_ie {
1376 struct cfg80211_chan_def chandef;
1377 u8 mode;
1378 u8 count;
1379 u8 ttl;
1380 u16 pre_value;
1381};
1382
1383
1384struct ieee802_11_elems {
1385 const u8 *ie_start;
1386 size_t total_len;
1387
1388
1389 const struct ieee80211_tdls_lnkie *lnk_id;
1390 const struct ieee80211_ch_switch_timing *ch_sw_timing;
1391 const u8 *ext_capab;
1392 const u8 *ssid;
1393 const u8 *supp_rates;
1394 const u8 *ds_params;
1395 const struct ieee80211_tim_ie *tim;
1396 const u8 *challenge;
1397 const u8 *rsn;
1398 const u8 *erp_info;
1399 const u8 *ext_supp_rates;
1400 const u8 *wmm_info;
1401 const u8 *wmm_param;
1402 const struct ieee80211_ht_cap *ht_cap_elem;
1403 const struct ieee80211_ht_operation *ht_operation;
1404 const struct ieee80211_vht_cap *vht_cap_elem;
1405 const struct ieee80211_vht_operation *vht_operation;
1406 const struct ieee80211_meshconf_ie *mesh_config;
1407 const u8 *mesh_id;
1408 const u8 *peering;
1409 const __le16 *awake_window;
1410 const u8 *preq;
1411 const u8 *prep;
1412 const u8 *perr;
1413 const struct ieee80211_rann_ie *rann;
1414 const struct ieee80211_channel_sw_ie *ch_switch_ie;
1415 const struct ieee80211_ext_chansw_ie *ext_chansw_ie;
1416 const struct ieee80211_wide_bw_chansw_ie *wide_bw_chansw_ie;
1417 const u8 *country_elem;
1418 const u8 *pwr_constr_elem;
1419 const u8 *cisco_dtpc_elem;
1420 const struct ieee80211_timeout_interval_ie *timeout_int;
1421 const u8 *opmode_notif;
1422 const struct ieee80211_sec_chan_offs_ie *sec_chan_offs;
1423 const struct ieee80211_mesh_chansw_params_ie *mesh_chansw_params_ie;
1424
1425
1426 u8 ext_capab_len;
1427 u8 ssid_len;
1428 u8 supp_rates_len;
1429 u8 tim_len;
1430 u8 challenge_len;
1431 u8 rsn_len;
1432 u8 ext_supp_rates_len;
1433 u8 wmm_info_len;
1434 u8 wmm_param_len;
1435 u8 mesh_id_len;
1436 u8 peering_len;
1437 u8 preq_len;
1438 u8 prep_len;
1439 u8 perr_len;
1440 u8 country_elem_len;
1441
1442
1443 bool parse_error;
1444};
1445
1446static inline struct ieee80211_local *hw_to_local(
1447 struct ieee80211_hw *hw)
1448{
1449 return container_of(hw, struct ieee80211_local, hw);
1450}
1451
1452static inline struct txq_info *to_txq_info(struct ieee80211_txq *txq)
1453{
1454 return container_of(txq, struct txq_info, txq);
1455}
1456
1457static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr)
1458{
1459 return ether_addr_equal(raddr, addr) ||
1460 is_broadcast_ether_addr(raddr);
1461}
1462
1463static inline bool
1464ieee80211_have_rx_timestamp(struct ieee80211_rx_status *status)
1465{
1466 WARN_ON_ONCE(status->flag & RX_FLAG_MACTIME_START &&
1467 status->flag & RX_FLAG_MACTIME_END);
1468 if (status->flag & (RX_FLAG_MACTIME_START | RX_FLAG_MACTIME_END))
1469 return true;
1470
1471 if (status->flag & RX_FLAG_MACTIME_PLCP_START &&
1472 !(status->flag & (RX_FLAG_HT | RX_FLAG_VHT)))
1473 return true;
1474 return false;
1475}
1476
1477u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local,
1478 struct ieee80211_rx_status *status,
1479 unsigned int mpdu_len,
1480 unsigned int mpdu_offset);
1481int ieee80211_hw_config(struct ieee80211_local *local, u32 changed);
1482void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx);
1483void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
1484 u32 changed);
1485void ieee80211_configure_filter(struct ieee80211_local *local);
1486u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata);
1487
1488u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local);
1489int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
1490 u64 *cookie, gfp_t gfp);
1491
1492
1493void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata);
1494int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
1495 struct cfg80211_auth_request *req);
1496int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
1497 struct cfg80211_assoc_request *req);
1498int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
1499 struct cfg80211_deauth_request *req);
1500int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata,
1501 struct cfg80211_disassoc_request *req);
1502void ieee80211_send_pspoll(struct ieee80211_local *local,
1503 struct ieee80211_sub_if_data *sdata);
1504void ieee80211_recalc_ps(struct ieee80211_local *local);
1505void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data *sdata);
1506int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata);
1507void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata);
1508void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
1509 struct sk_buff *skb);
1510void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata);
1511void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata);
1512void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata);
1513void ieee80211_mgd_conn_tx_status(struct ieee80211_sub_if_data *sdata,
1514 __le16 fc, bool acked);
1515void ieee80211_mgd_quiesce(struct ieee80211_sub_if_data *sdata);
1516void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata);
1517void ieee80211_sta_handle_tspec_ac_params(struct ieee80211_sub_if_data *sdata);
1518
1519
1520void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local);
1521void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata);
1522void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata,
1523 const u8 *bssid, const u8 *addr, u32 supp_rates);
1524int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
1525 struct cfg80211_ibss_params *params);
1526int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata);
1527void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata);
1528void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
1529 struct sk_buff *skb);
1530int ieee80211_ibss_csa_beacon(struct ieee80211_sub_if_data *sdata,
1531 struct cfg80211_csa_settings *csa_settings);
1532int ieee80211_ibss_finish_csa(struct ieee80211_sub_if_data *sdata);
1533void ieee80211_ibss_stop(struct ieee80211_sub_if_data *sdata);
1534
1535
1536void ieee80211_ocb_work(struct ieee80211_sub_if_data *sdata);
1537void ieee80211_ocb_rx_no_sta(struct ieee80211_sub_if_data *sdata,
1538 const u8 *bssid, const u8 *addr, u32 supp_rates);
1539void ieee80211_ocb_setup_sdata(struct ieee80211_sub_if_data *sdata);
1540int ieee80211_ocb_join(struct ieee80211_sub_if_data *sdata,
1541 struct ocb_setup *setup);
1542int ieee80211_ocb_leave(struct ieee80211_sub_if_data *sdata);
1543
1544
1545void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata);
1546void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
1547 struct sk_buff *skb);
1548int ieee80211_mesh_csa_beacon(struct ieee80211_sub_if_data *sdata,
1549 struct cfg80211_csa_settings *csa_settings);
1550int ieee80211_mesh_finish_csa(struct ieee80211_sub_if_data *sdata);
1551
1552
1553void ieee80211_scan_work(struct work_struct *work);
1554int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data *sdata,
1555 const u8 *ssid, u8 ssid_len,
1556 struct ieee80211_channel **channels,
1557 unsigned int n_channels,
1558 enum nl80211_bss_scan_width scan_width);
1559int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata,
1560 struct cfg80211_scan_request *req);
1561void ieee80211_scan_cancel(struct ieee80211_local *local);
1562void ieee80211_run_deferred_scan(struct ieee80211_local *local);
1563void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb);
1564
1565void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local);
1566struct ieee80211_bss *
1567ieee80211_bss_info_update(struct ieee80211_local *local,
1568 struct ieee80211_rx_status *rx_status,
1569 struct ieee80211_mgmt *mgmt,
1570 size_t len,
1571 struct ieee802_11_elems *elems,
1572 struct ieee80211_channel *channel);
1573void ieee80211_rx_bss_put(struct ieee80211_local *local,
1574 struct ieee80211_bss *bss);
1575
1576
1577int
1578__ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
1579 struct cfg80211_sched_scan_request *req);
1580int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
1581 struct cfg80211_sched_scan_request *req);
1582int ieee80211_request_sched_scan_stop(struct ieee80211_local *local);
1583void ieee80211_sched_scan_end(struct ieee80211_local *local);
1584void ieee80211_sched_scan_stopped_work(struct work_struct *work);
1585
1586
1587void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local);
1588void ieee80211_offchannel_return(struct ieee80211_local *local);
1589void ieee80211_roc_setup(struct ieee80211_local *local);
1590void ieee80211_start_next_roc(struct ieee80211_local *local);
1591void ieee80211_roc_purge(struct ieee80211_local *local,
1592 struct ieee80211_sub_if_data *sdata);
1593int ieee80211_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
1594 struct ieee80211_channel *chan,
1595 unsigned int duration, u64 *cookie);
1596int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
1597 struct wireless_dev *wdev, u64 cookie);
1598int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
1599 struct cfg80211_mgmt_tx_params *params, u64 *cookie);
1600int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
1601 struct wireless_dev *wdev, u64 cookie);
1602
1603
1604void ieee80211_csa_finalize_work(struct work_struct *work);
1605int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
1606 struct cfg80211_csa_settings *params);
1607
1608
1609int ieee80211_iface_init(void);
1610void ieee80211_iface_exit(void);
1611int ieee80211_if_add(struct ieee80211_local *local, const char *name,
1612 unsigned char name_assign_type,
1613 struct wireless_dev **new_wdev, enum nl80211_iftype type,
1614 struct vif_params *params);
1615int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata,
1616 enum nl80211_iftype type);
1617void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata);
1618void ieee80211_remove_interfaces(struct ieee80211_local *local);
1619u32 ieee80211_idle_off(struct ieee80211_local *local);
1620void ieee80211_recalc_idle(struct ieee80211_local *local);
1621void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata,
1622 const int offset);
1623int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up);
1624void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata);
1625int ieee80211_add_virtual_monitor(struct ieee80211_local *local);
1626void ieee80211_del_virtual_monitor(struct ieee80211_local *local);
1627
1628bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata);
1629void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata,
1630 bool update_bss);
1631
1632static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata)
1633{
1634 return test_bit(SDATA_STATE_RUNNING, &sdata->state);
1635}
1636
1637
1638void ieee80211_clear_tx_pending(struct ieee80211_local *local);
1639void ieee80211_tx_pending(unsigned long data);
1640netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb,
1641 struct net_device *dev);
1642netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
1643 struct net_device *dev);
1644void __ieee80211_subif_start_xmit(struct sk_buff *skb,
1645 struct net_device *dev,
1646 u32 info_flags);
1647void ieee80211_purge_tx_queue(struct ieee80211_hw *hw,
1648 struct sk_buff_head *skbs);
1649struct sk_buff *
1650ieee80211_build_data_template(struct ieee80211_sub_if_data *sdata,
1651 struct sk_buff *skb, u32 info_flags);
1652void ieee80211_tx_monitor(struct ieee80211_local *local, struct sk_buff *skb,
1653 struct ieee80211_supported_band *sband,
1654 int retry_count, int shift, bool send_to_cooked);
1655
1656void ieee80211_check_fast_xmit(struct sta_info *sta);
1657void ieee80211_check_fast_xmit_all(struct ieee80211_local *local);
1658void ieee80211_check_fast_xmit_iface(struct ieee80211_sub_if_data *sdata);
1659void ieee80211_clear_fast_xmit(struct sta_info *sta);
1660
1661
1662void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata,
1663 struct ieee80211_sta_ht_cap *ht_cap);
1664bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata,
1665 struct ieee80211_supported_band *sband,
1666 const struct ieee80211_ht_cap *ht_cap_ie,
1667 struct sta_info *sta);
1668void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata,
1669 const u8 *da, u16 tid,
1670 u16 initiator, u16 reason_code);
1671int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata,
1672 enum ieee80211_smps_mode smps, const u8 *da,
1673 const u8 *bssid);
1674void ieee80211_request_smps_ap_work(struct work_struct *work);
1675void ieee80211_request_smps_mgd_work(struct work_struct *work);
1676bool ieee80211_smps_is_restrictive(enum ieee80211_smps_mode smps_mode_old,
1677 enum ieee80211_smps_mode smps_mode_new);
1678
1679void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
1680 u16 initiator, u16 reason, bool stop);
1681void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
1682 u16 initiator, u16 reason, bool stop);
1683void __ieee80211_start_rx_ba_session(struct sta_info *sta,
1684 u8 dialog_token, u16 timeout,
1685 u16 start_seq_num, u16 ba_policy, u16 tid,
1686 u16 buf_size, bool tx, bool auto_seq);
1687void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta,
1688 enum ieee80211_agg_stop_reason reason);
1689void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata,
1690 struct sta_info *sta,
1691 struct ieee80211_mgmt *mgmt, size_t len);
1692void ieee80211_process_addba_resp(struct ieee80211_local *local,
1693 struct sta_info *sta,
1694 struct ieee80211_mgmt *mgmt,
1695 size_t len);
1696void ieee80211_process_addba_request(struct ieee80211_local *local,
1697 struct sta_info *sta,
1698 struct ieee80211_mgmt *mgmt,
1699 size_t len);
1700
1701int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
1702 enum ieee80211_agg_stop_reason reason);
1703int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
1704 enum ieee80211_agg_stop_reason reason);
1705void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid);
1706void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid);
1707void ieee80211_ba_session_work(struct work_struct *work);
1708void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid);
1709void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid);
1710
1711u8 ieee80211_mcs_to_chains(const struct ieee80211_mcs_info *mcs);
1712
1713
1714void
1715ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata,
1716 struct ieee80211_supported_band *sband,
1717 const struct ieee80211_vht_cap *vht_cap_ie,
1718 struct sta_info *sta);
1719enum ieee80211_sta_rx_bandwidth ieee80211_sta_cap_rx_bw(struct sta_info *sta);
1720enum ieee80211_sta_rx_bandwidth ieee80211_sta_cur_vht_bw(struct sta_info *sta);
1721void ieee80211_sta_set_rx_nss(struct sta_info *sta);
1722enum ieee80211_sta_rx_bandwidth
1723ieee80211_chan_width_to_rx_bw(enum nl80211_chan_width width);
1724enum nl80211_chan_width ieee80211_sta_cap_chan_bw(struct sta_info *sta);
1725void ieee80211_sta_set_rx_nss(struct sta_info *sta);
1726void ieee80211_process_mu_groups(struct ieee80211_sub_if_data *sdata,
1727 struct ieee80211_mgmt *mgmt);
1728u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata,
1729 struct sta_info *sta, u8 opmode,
1730 enum ieee80211_band band);
1731void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata,
1732 struct sta_info *sta, u8 opmode,
1733 enum ieee80211_band band);
1734void ieee80211_apply_vhtcap_overrides(struct ieee80211_sub_if_data *sdata,
1735 struct ieee80211_sta_vht_cap *vht_cap);
1736void ieee80211_get_vht_mask_from_cap(__le16 vht_cap,
1737 u16 vht_mask[NL80211_VHT_NSS_MAX]);
1738
1739
1740void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata,
1741 struct ieee80211_mgmt *mgmt,
1742 size_t len);
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata,
1760 struct ieee802_11_elems *elems,
1761 enum ieee80211_band current_band,
1762 u32 sta_flags, u8 *bssid,
1763 struct ieee80211_csa_ie *csa_ie);
1764
1765
1766int ieee80211_reconfig(struct ieee80211_local *local);
1767void ieee80211_stop_device(struct ieee80211_local *local);
1768
1769int __ieee80211_suspend(struct ieee80211_hw *hw,
1770 struct cfg80211_wowlan *wowlan);
1771
1772static inline int __ieee80211_resume(struct ieee80211_hw *hw)
1773{
1774 struct ieee80211_local *local = hw_to_local(hw);
1775
1776 WARN(test_bit(SCAN_HW_SCANNING, &local->scanning) &&
1777 !test_bit(SCAN_COMPLETED, &local->scanning),
1778 "%s: resume with hardware scan still in progress\n",
1779 wiphy_name(hw->wiphy));
1780
1781 return ieee80211_reconfig(hw_to_local(hw));
1782}
1783
1784
1785extern const void *const mac80211_wiphy_privid;
1786int ieee80211_frame_duration(enum ieee80211_band band, size_t len,
1787 int rate, int erp, int short_preamble,
1788 int shift);
1789void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata,
1790 bool bss_notify, bool enable_qos);
1791void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
1792 struct sta_info *sta, struct sk_buff *skb);
1793
1794void __ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata,
1795 struct sk_buff *skb, int tid,
1796 enum ieee80211_band band);
1797
1798static inline void
1799ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata,
1800 struct sk_buff *skb, int tid,
1801 enum ieee80211_band band)
1802{
1803 rcu_read_lock();
1804 __ieee80211_tx_skb_tid_band(sdata, skb, tid, band);
1805 rcu_read_unlock();
1806}
1807
1808static inline void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata,
1809 struct sk_buff *skb, int tid)
1810{
1811 struct ieee80211_chanctx_conf *chanctx_conf;
1812
1813 rcu_read_lock();
1814 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
1815 if (WARN_ON(!chanctx_conf)) {
1816 rcu_read_unlock();
1817 kfree_skb(skb);
1818 return;
1819 }
1820
1821 __ieee80211_tx_skb_tid_band(sdata, skb, tid,
1822 chanctx_conf->def.chan->band);
1823 rcu_read_unlock();
1824}
1825
1826static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata,
1827 struct sk_buff *skb)
1828{
1829
1830 ieee80211_tx_skb_tid(sdata, skb, 7);
1831}
1832
1833u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
1834 struct ieee802_11_elems *elems,
1835 u64 filter, u32 crc);
1836static inline void ieee802_11_parse_elems(const u8 *start, size_t len,
1837 bool action,
1838 struct ieee802_11_elems *elems)
1839{
1840 ieee802_11_parse_elems_crc(start, len, action, elems, 0, 0);
1841}
1842
1843
1844extern const int ieee802_1d_to_ac[8];
1845
1846static inline int ieee80211_ac_from_tid(int tid)
1847{
1848 return ieee802_1d_to_ac[tid & 7];
1849}
1850
1851void ieee80211_dynamic_ps_enable_work(struct work_struct *work);
1852void ieee80211_dynamic_ps_disable_work(struct work_struct *work);
1853void ieee80211_dynamic_ps_timer(unsigned long data);
1854void ieee80211_send_nullfunc(struct ieee80211_local *local,
1855 struct ieee80211_sub_if_data *sdata,
1856 bool powersave);
1857void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata,
1858 struct ieee80211_hdr *hdr);
1859void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata,
1860 struct ieee80211_hdr *hdr, bool ack, u16 tx_time);
1861
1862void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw,
1863 unsigned long queues,
1864 enum queue_stop_reason reason,
1865 bool refcounted);
1866void ieee80211_stop_vif_queues(struct ieee80211_local *local,
1867 struct ieee80211_sub_if_data *sdata,
1868 enum queue_stop_reason reason);
1869void ieee80211_wake_vif_queues(struct ieee80211_local *local,
1870 struct ieee80211_sub_if_data *sdata,
1871 enum queue_stop_reason reason);
1872void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw,
1873 unsigned long queues,
1874 enum queue_stop_reason reason,
1875 bool refcounted);
1876void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue,
1877 enum queue_stop_reason reason,
1878 bool refcounted);
1879void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue,
1880 enum queue_stop_reason reason,
1881 bool refcounted);
1882void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue);
1883void ieee80211_add_pending_skb(struct ieee80211_local *local,
1884 struct sk_buff *skb);
1885void ieee80211_add_pending_skbs(struct ieee80211_local *local,
1886 struct sk_buff_head *skbs);
1887void ieee80211_flush_queues(struct ieee80211_local *local,
1888 struct ieee80211_sub_if_data *sdata, bool drop);
1889void __ieee80211_flush_queues(struct ieee80211_local *local,
1890 struct ieee80211_sub_if_data *sdata,
1891 unsigned int queues, bool drop);
1892
1893static inline bool ieee80211_can_run_worker(struct ieee80211_local *local)
1894{
1895
1896
1897
1898
1899
1900
1901 if (local->quiescing)
1902 return false;
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917 if (local->suspended)
1918 return false;
1919
1920 return true;
1921}
1922
1923void ieee80211_init_tx_queue(struct ieee80211_sub_if_data *sdata,
1924 struct sta_info *sta,
1925 struct txq_info *txq, int tid);
1926void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
1927 u16 transaction, u16 auth_alg, u16 status,
1928 const u8 *extra, size_t extra_len, const u8 *bssid,
1929 const u8 *da, const u8 *key, u8 key_len, u8 key_idx,
1930 u32 tx_flags);
1931void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,
1932 const u8 *bssid, u16 stype, u16 reason,
1933 bool send_frame, u8 *frame_buf);
1934int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
1935 size_t buffer_len,
1936 struct ieee80211_scan_ies *ie_desc,
1937 const u8 *ie, size_t ie_len,
1938 u8 bands_used, u32 *rate_masks,
1939 struct cfg80211_chan_def *chandef);
1940struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
1941 const u8 *src, const u8 *dst,
1942 u32 ratemask,
1943 struct ieee80211_channel *chan,
1944 const u8 *ssid, size_t ssid_len,
1945 const u8 *ie, size_t ie_len,
1946 bool directed);
1947void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata,
1948 const u8 *src, const u8 *dst,
1949 const u8 *ssid, size_t ssid_len,
1950 const u8 *ie, size_t ie_len,
1951 u32 ratemask, bool directed, u32 tx_flags,
1952 struct ieee80211_channel *channel, bool scan);
1953
1954u32 ieee80211_sta_get_rates(struct ieee80211_sub_if_data *sdata,
1955 struct ieee802_11_elems *elems,
1956 enum ieee80211_band band, u32 *basic_rates);
1957int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
1958 enum ieee80211_smps_mode smps_mode);
1959int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
1960 enum ieee80211_smps_mode smps_mode);
1961void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata);
1962void ieee80211_recalc_min_chandef(struct ieee80211_sub_if_data *sdata);
1963
1964size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset);
1965u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
1966 u16 cap);
1967u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
1968 const struct cfg80211_chan_def *chandef,
1969 u16 prot_mode, bool rifs_mode);
1970u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap,
1971 u32 cap);
1972u8 *ieee80211_ie_build_vht_oper(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap,
1973 const struct cfg80211_chan_def *chandef);
1974int ieee80211_parse_bitrates(struct cfg80211_chan_def *chandef,
1975 const struct ieee80211_supported_band *sband,
1976 const u8 *srates, int srates_len, u32 *rates);
1977int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata,
1978 struct sk_buff *skb, bool need_basic,
1979 enum ieee80211_band band);
1980int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata,
1981 struct sk_buff *skb, bool need_basic,
1982 enum ieee80211_band band);
1983u8 *ieee80211_add_wmm_info_ie(u8 *buf, u8 qosinfo);
1984
1985
1986bool ieee80211_chandef_ht_oper(const struct ieee80211_ht_operation *ht_oper,
1987 struct cfg80211_chan_def *chandef);
1988bool ieee80211_chandef_vht_oper(const struct ieee80211_vht_operation *oper,
1989 struct cfg80211_chan_def *chandef);
1990u32 ieee80211_chandef_downgrade(struct cfg80211_chan_def *c);
1991
1992int __must_check
1993ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata,
1994 const struct cfg80211_chan_def *chandef,
1995 enum ieee80211_chanctx_mode mode);
1996int __must_check
1997ieee80211_vif_reserve_chanctx(struct ieee80211_sub_if_data *sdata,
1998 const struct cfg80211_chan_def *chandef,
1999 enum ieee80211_chanctx_mode mode,
2000 bool radar_required);
2001int __must_check
2002ieee80211_vif_use_reserved_context(struct ieee80211_sub_if_data *sdata);
2003int ieee80211_vif_unreserve_chanctx(struct ieee80211_sub_if_data *sdata);
2004
2005int __must_check
2006ieee80211_vif_change_bandwidth(struct ieee80211_sub_if_data *sdata,
2007 const struct cfg80211_chan_def *chandef,
2008 u32 *changed);
2009void ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata);
2010void ieee80211_vif_vlan_copy_chanctx(struct ieee80211_sub_if_data *sdata);
2011void ieee80211_vif_copy_chanctx_to_vlans(struct ieee80211_sub_if_data *sdata,
2012 bool clear);
2013int ieee80211_chanctx_refcount(struct ieee80211_local *local,
2014 struct ieee80211_chanctx *ctx);
2015
2016void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local,
2017 struct ieee80211_chanctx *chanctx);
2018void ieee80211_recalc_chanctx_min_def(struct ieee80211_local *local,
2019 struct ieee80211_chanctx *ctx);
2020bool ieee80211_is_radar_required(struct ieee80211_local *local);
2021
2022void ieee80211_dfs_cac_timer(unsigned long data);
2023void ieee80211_dfs_cac_timer_work(struct work_struct *work);
2024void ieee80211_dfs_cac_cancel(struct ieee80211_local *local);
2025void ieee80211_dfs_radar_detected_work(struct work_struct *work);
2026int ieee80211_send_action_csa(struct ieee80211_sub_if_data *sdata,
2027 struct cfg80211_csa_settings *csa_settings);
2028
2029bool ieee80211_cs_valid(const struct ieee80211_cipher_scheme *cs);
2030bool ieee80211_cs_list_valid(const struct ieee80211_cipher_scheme *cs, int n);
2031const struct ieee80211_cipher_scheme *
2032ieee80211_cs_get(struct ieee80211_local *local, u32 cipher,
2033 enum nl80211_iftype iftype);
2034int ieee80211_cs_headroom(struct ieee80211_local *local,
2035 struct cfg80211_crypto_settings *crypto,
2036 enum nl80211_iftype iftype);
2037void ieee80211_recalc_dtim(struct ieee80211_local *local,
2038 struct ieee80211_sub_if_data *sdata);
2039int ieee80211_check_combinations(struct ieee80211_sub_if_data *sdata,
2040 const struct cfg80211_chan_def *chandef,
2041 enum ieee80211_chanctx_mode chanmode,
2042 u8 radar_detect);
2043int ieee80211_max_num_channels(struct ieee80211_local *local);
2044enum nl80211_chan_width ieee80211_get_sta_bw(struct ieee80211_sta *sta);
2045void ieee80211_recalc_chanctx_chantype(struct ieee80211_local *local,
2046 struct ieee80211_chanctx *ctx);
2047
2048
2049int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
2050 const u8 *peer, u8 action_code, u8 dialog_token,
2051 u16 status_code, u32 peer_capability,
2052 bool initiator, const u8 *extra_ies,
2053 size_t extra_ies_len);
2054int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
2055 const u8 *peer, enum nl80211_tdls_operation oper);
2056void ieee80211_tdls_peer_del_work(struct work_struct *wk);
2057int ieee80211_tdls_channel_switch(struct wiphy *wiphy, struct net_device *dev,
2058 const u8 *addr, u8 oper_class,
2059 struct cfg80211_chan_def *chandef);
2060void ieee80211_tdls_cancel_channel_switch(struct wiphy *wiphy,
2061 struct net_device *dev,
2062 const u8 *addr);
2063void ieee80211_teardown_tdls_peers(struct ieee80211_sub_if_data *sdata);
2064void ieee80211_tdls_chsw_work(struct work_struct *wk);
2065
2066extern const struct ethtool_ops ieee80211_ethtool_ops;
2067
2068#ifdef CONFIG_MAC80211_NOINLINE
2069#define debug_noinline noinline
2070#else
2071#define debug_noinline
2072#endif
2073
2074#endif
2075