1
2
3
4
5
6
7
8
9
10
11#ifndef IEEE80211_I_H
12#define IEEE80211_I_H
13
14#include <linux/kernel.h>
15#include <linux/device.h>
16#include <linux/if_ether.h>
17#include <linux/interrupt.h>
18#include <linux/list.h>
19#include <linux/netdevice.h>
20#include <linux/skbuff.h>
21#include <linux/workqueue.h>
22#include <linux/types.h>
23#include <linux/spinlock.h>
24#include <linux/etherdevice.h>
25#include <linux/leds.h>
26#include <linux/idr.h>
27#include <linux/rhashtable.h>
28#include <net/ieee80211_radiotap.h>
29#include <net/cfg80211.h>
30#include <net/mac80211.h>
31#include <net/fq.h>
32#include "key.h"
33#include "sta_info.h"
34#include "debug.h"
35
36extern const struct cfg80211_ops mac80211_config_ops;
37
38struct ieee80211_local;
39
40
41
42#define AP_MAX_BC_BUFFER 128
43
44
45
46
47#define TOTAL_MAX_TX_BUFFER 512
48
49
50#define IEEE80211_ENCRYPT_HEADROOM 8
51#define IEEE80211_ENCRYPT_TAILROOM 18
52
53
54#define IEEE80211_UNSET_POWER_LEVEL INT_MIN
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74#define IEEE80211_DEFAULT_UAPSD_QUEUES 0
75
76#define IEEE80211_DEFAULT_MAX_SP_LEN \
77 IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL
78
79extern const u8 ieee80211_ac_to_qos_mask[IEEE80211_NUM_ACS];
80
81#define IEEE80211_DEAUTH_FRAME_LEN (24 + 2 )
82
83#define IEEE80211_MAX_NAN_INSTANCE_ID 255
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
96 u32 vht_cap_info;
97
98
99
100
101
102
103
104 bool has_erp_value;
105 u8 erp_value;
106
107
108 u8 corrupt_data;
109
110
111 u8 valid_data;
112};
113
114
115
116
117
118
119
120
121
122enum ieee80211_bss_corrupt_data_flags {
123 IEEE80211_BSS_CORRUPT_BEACON = BIT(0),
124 IEEE80211_BSS_CORRUPT_PROBE_RESP = BIT(1)
125};
126
127
128
129
130
131
132
133
134
135
136
137
138enum ieee80211_bss_valid_data_flags {
139 IEEE80211_BSS_VALID_WMM = BIT(1),
140 IEEE80211_BSS_VALID_RATES = BIT(2),
141 IEEE80211_BSS_VALID_ERP = BIT(3)
142};
143
144typedef unsigned __bitwise ieee80211_tx_result;
145#define TX_CONTINUE ((__force ieee80211_tx_result) 0u)
146#define TX_DROP ((__force ieee80211_tx_result) 1u)
147#define TX_QUEUED ((__force ieee80211_tx_result) 2u)
148
149#define IEEE80211_TX_UNICAST BIT(1)
150#define IEEE80211_TX_PS_BUFFERED BIT(2)
151
152struct ieee80211_tx_data {
153 struct sk_buff *skb;
154 struct sk_buff_head skbs;
155 struct ieee80211_local *local;
156 struct ieee80211_sub_if_data *sdata;
157 struct sta_info *sta;
158 struct ieee80211_key *key;
159 struct ieee80211_tx_rate rate;
160
161 unsigned int flags;
162};
163
164
165typedef unsigned __bitwise ieee80211_rx_result;
166#define RX_CONTINUE ((__force ieee80211_rx_result) 0u)
167#define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u)
168#define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u)
169#define RX_QUEUED ((__force ieee80211_rx_result) 3u)
170
171
172
173
174
175
176
177
178
179
180enum ieee80211_packet_rx_flags {
181 IEEE80211_RX_AMSDU = BIT(3),
182 IEEE80211_RX_MALFORMED_ACTION_FRM = BIT(4),
183 IEEE80211_RX_DEFERRED_RELEASE = BIT(5),
184};
185
186
187
188
189
190
191
192
193
194
195
196enum ieee80211_rx_flags {
197 IEEE80211_RX_CMNTR = BIT(0),
198 IEEE80211_RX_BEACON_REPORTED = BIT(1),
199};
200
201struct ieee80211_rx_data {
202 struct list_head *list;
203 struct sk_buff *skb;
204 struct ieee80211_local *local;
205 struct ieee80211_sub_if_data *sdata;
206 struct sta_info *sta;
207 struct ieee80211_key *key;
208
209 unsigned int flags;
210
211
212
213
214
215
216 int seqno_idx;
217
218
219
220
221
222
223
224 int security_idx;
225
226 union {
227 struct {
228 u32 iv32;
229 u16 iv16;
230 } tkip;
231 struct {
232 u8 pn[IEEE80211_CCMP_PN_LEN];
233 } ccm_gcm;
234 };
235};
236
237struct ieee80211_csa_settings {
238 const u16 *counter_offsets_beacon;
239 const u16 *counter_offsets_presp;
240
241 int n_counter_offsets_beacon;
242 int n_counter_offsets_presp;
243
244 u8 count;
245};
246
247struct beacon_data {
248 u8 *head, *tail;
249 int head_len, tail_len;
250 struct ieee80211_meshconf_ie *meshconf;
251 u16 cntdwn_counter_offsets[IEEE80211_MAX_CNTDWN_COUNTERS_NUM];
252 u8 cntdwn_current_counter;
253 struct rcu_head rcu_head;
254};
255
256struct probe_resp {
257 struct rcu_head rcu_head;
258 int len;
259 u16 cntdwn_counter_offsets[IEEE80211_MAX_CNTDWN_COUNTERS_NUM];
260 u8 data[];
261};
262
263struct fils_discovery_data {
264 struct rcu_head rcu_head;
265 int len;
266 u8 data[];
267};
268
269struct unsol_bcast_probe_resp_data {
270 struct rcu_head rcu_head;
271 int len;
272 u8 data[];
273};
274
275struct ps_data {
276
277
278
279 u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]
280 __aligned(__alignof__(unsigned long));
281 struct sk_buff_head bc_buf;
282 atomic_t num_sta_ps;
283 int dtim_count;
284 bool dtim_bc_mc;
285};
286
287struct ieee80211_if_ap {
288 struct beacon_data __rcu *beacon;
289 struct probe_resp __rcu *probe_resp;
290 struct fils_discovery_data __rcu *fils_discovery;
291 struct unsol_bcast_probe_resp_data __rcu *unsol_bcast_probe_resp;
292
293
294 struct cfg80211_beacon_data *next_beacon;
295 struct list_head vlans;
296
297 struct ps_data ps;
298 atomic_t num_mcast_sta;
299
300 bool multicast_to_unicast;
301};
302
303struct ieee80211_if_vlan {
304 struct list_head list;
305
306
307 struct sta_info __rcu *sta;
308 atomic_t num_mcast_sta;
309};
310
311struct mesh_stats {
312 __u32 fwded_mcast;
313 __u32 fwded_unicast;
314 __u32 fwded_frames;
315 __u32 dropped_frames_ttl;
316 __u32 dropped_frames_no_route;
317 __u32 dropped_frames_congestion;
318};
319
320#define PREQ_Q_F_START 0x1
321#define PREQ_Q_F_REFRESH 0x2
322struct mesh_preq_queue {
323 struct list_head list;
324 u8 dst[ETH_ALEN];
325 u8 flags;
326};
327
328struct ieee80211_roc_work {
329 struct list_head list;
330
331 struct ieee80211_sub_if_data *sdata;
332
333 struct ieee80211_channel *chan;
334
335 bool started, abort, hw_begun, notified;
336 bool on_channel;
337
338 unsigned long start_time;
339
340 u32 duration, req_duration;
341 struct sk_buff *frame;
342 u64 cookie, mgmt_tx_cookie;
343 enum ieee80211_roc_type type;
344};
345
346
347enum ieee80211_sta_flags {
348 IEEE80211_STA_CONNECTION_POLL = BIT(1),
349 IEEE80211_STA_CONTROL_PORT = BIT(2),
350 IEEE80211_STA_DISABLE_HT = BIT(4),
351 IEEE80211_STA_MFP_ENABLED = BIT(6),
352 IEEE80211_STA_UAPSD_ENABLED = BIT(7),
353 IEEE80211_STA_NULLFUNC_ACKED = BIT(8),
354 IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9),
355 IEEE80211_STA_DISABLE_40MHZ = BIT(10),
356 IEEE80211_STA_DISABLE_VHT = BIT(11),
357 IEEE80211_STA_DISABLE_80P80MHZ = BIT(12),
358 IEEE80211_STA_DISABLE_160MHZ = BIT(13),
359 IEEE80211_STA_DISABLE_WMM = BIT(14),
360 IEEE80211_STA_ENABLE_RRM = BIT(15),
361 IEEE80211_STA_DISABLE_HE = BIT(16),
362};
363
364struct ieee80211_mgd_auth_data {
365 struct cfg80211_bss *bss;
366 unsigned long timeout;
367 int tries;
368 u16 algorithm, expected_transaction;
369
370 u8 key[WLAN_KEY_LEN_WEP104];
371 u8 key_len, key_idx;
372 bool done;
373 bool peer_confirmed;
374 bool timeout_started;
375
376 u16 sae_trans, sae_status;
377 size_t data_len;
378 u8 data[];
379};
380
381struct ieee80211_mgd_assoc_data {
382 struct cfg80211_bss *bss;
383 const u8 *supp_rates;
384
385 unsigned long timeout;
386 int tries;
387
388 u16 capability;
389 u8 prev_bssid[ETH_ALEN];
390 u8 ssid[IEEE80211_MAX_SSID_LEN];
391 u8 ssid_len;
392 u8 supp_rates_len;
393 bool wmm, uapsd;
394 bool need_beacon;
395 bool synced;
396 bool timeout_started;
397
398 u8 ap_ht_param;
399
400 struct ieee80211_vht_cap ap_vht_cap;
401
402 u8 fils_nonces[2 * FILS_NONCE_LEN];
403 u8 fils_kek[FILS_MAX_KEK_LEN];
404 size_t fils_kek_len;
405
406 size_t ie_len;
407 u8 ie[];
408};
409
410struct ieee80211_sta_tx_tspec {
411
412 unsigned long time_slice_start;
413
414 u32 admitted_time;
415 u8 tsid;
416 s8 up;
417
418
419 u32 consumed_tx_time;
420 enum {
421 TX_TSPEC_ACTION_NONE = 0,
422 TX_TSPEC_ACTION_DOWNGRADE,
423 TX_TSPEC_ACTION_STOP_DOWNGRADE,
424 } action;
425 bool downgraded;
426};
427
428DECLARE_EWMA(beacon_signal, 4, 4)
429
430struct ieee80211_if_managed {
431 struct timer_list timer;
432 struct timer_list conn_mon_timer;
433 struct timer_list bcn_mon_timer;
434 struct timer_list chswitch_timer;
435 struct work_struct monitor_work;
436 struct work_struct chswitch_work;
437 struct work_struct beacon_connection_loss_work;
438 struct work_struct csa_connection_drop_work;
439
440 unsigned long beacon_timeout;
441 unsigned long probe_timeout;
442 int probe_send_count;
443 bool nullfunc_failed;
444 u8 connection_loss:1,
445 driver_disconnect:1,
446 reconnect:1;
447
448 struct cfg80211_bss *associated;
449 struct ieee80211_mgd_auth_data *auth_data;
450 struct ieee80211_mgd_assoc_data *assoc_data;
451
452 u8 bssid[ETH_ALEN] __aligned(2);
453
454 bool powersave;
455 bool broken_ap;
456 bool have_beacon;
457 u8 dtim_period;
458 enum ieee80211_smps_mode req_smps,
459 driver_smps_mode;
460
461 struct work_struct request_smps_work;
462
463 unsigned int flags;
464
465 bool csa_waiting_bcn;
466 bool csa_ignored_same_chan;
467
468 bool beacon_crc_valid;
469 u32 beacon_crc;
470
471 bool status_acked;
472 bool status_received;
473 __le16 status_fc;
474
475 enum {
476 IEEE80211_MFP_DISABLED,
477 IEEE80211_MFP_OPTIONAL,
478 IEEE80211_MFP_REQUIRED
479 } mfp;
480
481
482
483
484
485
486 unsigned int uapsd_queues;
487
488
489
490
491
492
493 unsigned int uapsd_max_sp_len;
494
495 int wmm_last_param_set;
496 int mu_edca_last_param_set;
497
498 u8 use_4addr;
499
500 s16 p2p_noa_index;
501
502 struct ewma_beacon_signal ave_beacon_signal;
503
504
505
506
507
508
509 unsigned int count_beacon_signal;
510
511
512 unsigned int beacon_loss_count;
513
514
515
516
517
518
519 int last_cqm_event_signal;
520
521
522
523
524
525
526 int rssi_min_thold, rssi_max_thold;
527 int last_ave_beacon_signal;
528
529 struct ieee80211_ht_cap ht_capa;
530 struct ieee80211_ht_cap ht_capa_mask;
531 struct ieee80211_vht_cap vht_capa;
532 struct ieee80211_vht_cap vht_capa_mask;
533 struct ieee80211_s1g_cap s1g_capa;
534 struct ieee80211_s1g_cap s1g_capa_mask;
535
536
537 u8 tdls_peer[ETH_ALEN] __aligned(2);
538 struct delayed_work tdls_peer_del_work;
539 struct sk_buff *orig_teardown_skb;
540 struct sk_buff *teardown_skb;
541 spinlock_t teardown_lock;
542 bool tdls_chan_switch_prohibited;
543 bool tdls_wider_bw_prohibited;
544
545
546 struct ieee80211_sta_tx_tspec tx_tspec[IEEE80211_NUM_ACS];
547
548
549
550
551
552
553 struct delayed_work tx_tspec_wk;
554
555
556
557
558 u8 *assoc_req_ies;
559 size_t assoc_req_ies_len;
560};
561
562struct ieee80211_if_ibss {
563 struct timer_list timer;
564 struct work_struct csa_connection_drop_work;
565
566 unsigned long last_scan_completed;
567
568 u32 basic_rates;
569
570 bool fixed_bssid;
571 bool fixed_channel;
572 bool privacy;
573
574 bool control_port;
575 bool userspace_handles_dfs;
576
577 u8 bssid[ETH_ALEN] __aligned(2);
578 u8 ssid[IEEE80211_MAX_SSID_LEN];
579 u8 ssid_len, ie_len;
580 u8 *ie;
581 struct cfg80211_chan_def chandef;
582
583 unsigned long ibss_join_req;
584
585 struct beacon_data __rcu *presp;
586
587 struct ieee80211_ht_cap ht_capa;
588 struct ieee80211_ht_cap ht_capa_mask;
589
590 spinlock_t incomplete_lock;
591 struct list_head incomplete_stations;
592
593 enum {
594 IEEE80211_IBSS_MLME_SEARCH,
595 IEEE80211_IBSS_MLME_JOINED,
596 } state;
597};
598
599
600
601
602
603
604
605
606
607
608struct ieee80211_if_ocb {
609 struct timer_list housekeeping_timer;
610 unsigned long wrkq_flags;
611
612 spinlock_t incomplete_lock;
613 struct list_head incomplete_stations;
614
615 bool joined;
616};
617
618
619
620
621
622
623
624
625struct ieee802_11_elems;
626struct ieee80211_mesh_sync_ops {
627 void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata,
628 u16 stype,
629 struct ieee80211_mgmt *mgmt,
630 struct ieee802_11_elems *elems,
631 struct ieee80211_rx_status *rx_status);
632
633
634 void (*adjust_tsf)(struct ieee80211_sub_if_data *sdata,
635 struct beacon_data *beacon);
636
637};
638
639struct mesh_csa_settings {
640 struct rcu_head rcu_head;
641 struct cfg80211_csa_settings settings;
642};
643
644struct ieee80211_if_mesh {
645 struct timer_list housekeeping_timer;
646 struct timer_list mesh_path_timer;
647 struct timer_list mesh_path_root_timer;
648
649 unsigned long wrkq_flags;
650 unsigned long mbss_changed;
651
652 bool userspace_handles_dfs;
653
654 u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN];
655 size_t mesh_id_len;
656
657 u8 mesh_pp_id;
658
659 u8 mesh_pm_id;
660
661 u8 mesh_cc_id;
662
663 u8 mesh_sp_id;
664
665 u8 mesh_auth_id;
666
667 u32 sn;
668
669 u32 preq_id;
670 atomic_t mpaths;
671
672 unsigned long last_sn_update;
673
674 unsigned long next_perr;
675
676 unsigned long last_preq;
677 struct mesh_rmc *rmc;
678 spinlock_t mesh_preq_queue_lock;
679 struct mesh_preq_queue preq_queue;
680 int preq_queue_len;
681 struct mesh_stats mshstats;
682 struct mesh_config mshcfg;
683 atomic_t estab_plinks;
684 u32 mesh_seqnum;
685 bool accepting_plinks;
686 int num_gates;
687 struct beacon_data __rcu *beacon;
688 const u8 *ie;
689 u8 ie_len;
690 enum {
691 IEEE80211_MESH_SEC_NONE = 0x0,
692 IEEE80211_MESH_SEC_AUTHED = 0x1,
693 IEEE80211_MESH_SEC_SECURED = 0x2,
694 } security;
695 bool user_mpm;
696
697 const struct ieee80211_mesh_sync_ops *sync_ops;
698 s64 sync_offset_clockdrift_max;
699 spinlock_t sync_offset_lock;
700
701 enum nl80211_mesh_power_mode nonpeer_pm;
702 int ps_peers_light_sleep;
703 int ps_peers_deep_sleep;
704 struct ps_data ps;
705
706 struct mesh_csa_settings __rcu *csa;
707 enum {
708 IEEE80211_MESH_CSA_ROLE_NONE,
709 IEEE80211_MESH_CSA_ROLE_INIT,
710 IEEE80211_MESH_CSA_ROLE_REPEATER,
711 } csa_role;
712 u8 chsw_ttl;
713 u16 pre_value;
714
715
716 int meshconf_offset;
717
718 struct mesh_table *mesh_paths;
719 struct mesh_table *mpp_paths;
720 int mesh_paths_generation;
721 int mpp_paths_generation;
722};
723
724#ifdef CONFIG_MAC80211_MESH
725#define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \
726 do { (msh)->mshstats.name++; } while (0)
727#else
728#define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \
729 do { } while (0)
730#endif
731
732
733
734
735
736
737
738
739
740
741
742
743enum ieee80211_sub_if_data_flags {
744 IEEE80211_SDATA_ALLMULTI = BIT(0),
745 IEEE80211_SDATA_OPERATING_GMODE = BIT(2),
746 IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3),
747 IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4),
748 IEEE80211_SDATA_IN_DRIVER = BIT(5),
749};
750
751
752
753
754
755
756
757
758
759
760
761enum ieee80211_sdata_state_bits {
762 SDATA_STATE_RUNNING,
763 SDATA_STATE_OFFCHANNEL,
764 SDATA_STATE_OFFCHANNEL_BEACON_STOPPED,
765};
766
767
768
769
770
771
772
773
774
775
776enum ieee80211_chanctx_mode {
777 IEEE80211_CHANCTX_SHARED,
778 IEEE80211_CHANCTX_EXCLUSIVE
779};
780
781
782
783
784
785
786
787
788
789
790
791
792
793enum ieee80211_chanctx_replace_state {
794 IEEE80211_CHANCTX_REPLACE_NONE,
795 IEEE80211_CHANCTX_WILL_BE_REPLACED,
796 IEEE80211_CHANCTX_REPLACES_OTHER,
797};
798
799struct ieee80211_chanctx {
800 struct list_head list;
801 struct rcu_head rcu_head;
802
803 struct list_head assigned_vifs;
804 struct list_head reserved_vifs;
805
806 enum ieee80211_chanctx_replace_state replace_state;
807 struct ieee80211_chanctx *replace_ctx;
808
809 enum ieee80211_chanctx_mode mode;
810 bool driver_present;
811
812 struct ieee80211_chanctx_conf conf;
813};
814
815struct mac80211_qos_map {
816 struct cfg80211_qos_map qos_map;
817 struct rcu_head rcu_head;
818};
819
820enum txq_info_flags {
821 IEEE80211_TXQ_STOP,
822 IEEE80211_TXQ_AMPDU,
823 IEEE80211_TXQ_NO_AMSDU,
824 IEEE80211_TXQ_STOP_NETIF_TX,
825};
826
827
828
829
830
831
832
833
834
835
836
837struct txq_info {
838 struct fq_tin tin;
839 struct codel_vars def_cvars;
840 struct codel_stats cstats;
841 struct rb_node schedule_order;
842
843 struct sk_buff_head frags;
844 unsigned long flags;
845
846
847 struct ieee80211_txq txq;
848};
849
850struct ieee80211_if_mntr {
851 u32 flags;
852 u8 mu_follow_addr[ETH_ALEN] __aligned(2);
853
854 struct list_head list;
855};
856
857
858
859
860
861
862
863struct ieee80211_if_nan {
864 struct cfg80211_nan_conf conf;
865
866
867 spinlock_t func_lock;
868 struct idr function_inst_ids;
869};
870
871struct ieee80211_sub_if_data {
872 struct list_head list;
873
874 struct wireless_dev wdev;
875
876
877 struct list_head key_list;
878
879
880 int crypto_tx_tailroom_needed_cnt;
881 int crypto_tx_tailroom_pending_dec;
882 struct delayed_work dec_tailroom_needed_wk;
883
884 struct net_device *dev;
885 struct ieee80211_local *local;
886
887 unsigned int flags;
888
889 unsigned long state;
890
891 char name[IFNAMSIZ];
892
893 struct ieee80211_fragment_cache frags;
894
895
896 u16 noack_map;
897
898
899 u8 wmm_acm;
900
901 struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS +
902 NUM_DEFAULT_MGMT_KEYS +
903 NUM_DEFAULT_BEACON_KEYS];
904 struct ieee80211_key __rcu *default_unicast_key;
905 struct ieee80211_key __rcu *default_multicast_key;
906 struct ieee80211_key __rcu *default_mgmt_key;
907 struct ieee80211_key __rcu *default_beacon_key;
908
909 u16 sequence_number;
910 __be16 control_port_protocol;
911 bool control_port_no_encrypt;
912 bool control_port_no_preauth;
913 bool control_port_over_nl80211;
914 int encrypt_headroom;
915
916 atomic_t num_tx_queued;
917 struct ieee80211_tx_queue_params tx_conf[IEEE80211_NUM_ACS];
918 struct mac80211_qos_map __rcu *qos_map;
919
920 struct airtime_info airtime[IEEE80211_NUM_ACS];
921
922 struct work_struct csa_finalize_work;
923 bool csa_block_tx;
924 struct cfg80211_chan_def csa_chandef;
925
926 struct list_head assigned_chanctx_list;
927 struct list_head reserved_chanctx_list;
928
929
930 struct ieee80211_chanctx *reserved_chanctx;
931 struct cfg80211_chan_def reserved_chandef;
932 bool reserved_radar_required;
933 bool reserved_ready;
934
935
936 struct work_struct recalc_smps;
937
938 struct work_struct work;
939 struct sk_buff_head skb_queue;
940
941 u8 needed_rx_chains;
942 enum ieee80211_smps_mode smps_mode;
943
944 int user_power_level;
945 int ap_power_level;
946
947 bool radar_required;
948 struct delayed_work dfs_cac_timer_work;
949
950
951
952
953
954
955 struct ieee80211_if_ap *bss;
956
957
958 u32 rc_rateidx_mask[NUM_NL80211_BANDS];
959
960 bool rc_has_mcs_mask[NUM_NL80211_BANDS];
961 u8 rc_rateidx_mcs_mask[NUM_NL80211_BANDS][IEEE80211_HT_MCS_MASK_LEN];
962
963 bool rc_has_vht_mcs_mask[NUM_NL80211_BANDS];
964 u16 rc_rateidx_vht_mcs_mask[NUM_NL80211_BANDS][NL80211_VHT_NSS_MAX];
965
966
967 u32 beacon_rateidx_mask[NUM_NL80211_BANDS];
968 bool beacon_rate_set;
969
970 union {
971 struct ieee80211_if_ap ap;
972 struct ieee80211_if_vlan vlan;
973 struct ieee80211_if_managed mgd;
974 struct ieee80211_if_ibss ibss;
975 struct ieee80211_if_mesh mesh;
976 struct ieee80211_if_ocb ocb;
977 struct ieee80211_if_mntr mntr;
978 struct ieee80211_if_nan nan;
979 } u;
980
981#ifdef CONFIG_MAC80211_DEBUGFS
982 struct {
983 struct dentry *subdir_stations;
984 struct dentry *default_unicast_key;
985 struct dentry *default_multicast_key;
986 struct dentry *default_mgmt_key;
987 struct dentry *default_beacon_key;
988 } debugfs;
989#endif
990
991
992 struct ieee80211_vif vif;
993};
994
995static inline
996struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p)
997{
998 return container_of(p, struct ieee80211_sub_if_data, vif);
999}
1000
1001static inline void sdata_lock(struct ieee80211_sub_if_data *sdata)
1002 __acquires(&sdata->wdev.mtx)
1003{
1004 mutex_lock(&sdata->wdev.mtx);
1005 __acquire(&sdata->wdev.mtx);
1006}
1007
1008static inline void sdata_unlock(struct ieee80211_sub_if_data *sdata)
1009 __releases(&sdata->wdev.mtx)
1010{
1011 mutex_unlock(&sdata->wdev.mtx);
1012 __release(&sdata->wdev.mtx);
1013}
1014
1015#define sdata_dereference(p, sdata) \
1016 rcu_dereference_protected(p, lockdep_is_held(&sdata->wdev.mtx))
1017
1018static inline void
1019sdata_assert_lock(struct ieee80211_sub_if_data *sdata)
1020{
1021 lockdep_assert_held(&sdata->wdev.mtx);
1022}
1023
1024static inline int
1025ieee80211_chandef_get_shift(struct cfg80211_chan_def *chandef)
1026{
1027 switch (chandef->width) {
1028 case NL80211_CHAN_WIDTH_5:
1029 return 2;
1030 case NL80211_CHAN_WIDTH_10:
1031 return 1;
1032 default:
1033 return 0;
1034 }
1035}
1036
1037static inline int
1038ieee80211_vif_get_shift(struct ieee80211_vif *vif)
1039{
1040 struct ieee80211_chanctx_conf *chanctx_conf;
1041 int shift = 0;
1042
1043 rcu_read_lock();
1044 chanctx_conf = rcu_dereference(vif->chanctx_conf);
1045 if (chanctx_conf)
1046 shift = ieee80211_chandef_get_shift(&chanctx_conf->def);
1047 rcu_read_unlock();
1048
1049 return shift;
1050}
1051
1052enum {
1053 IEEE80211_RX_MSG = 1,
1054 IEEE80211_TX_STATUS_MSG = 2,
1055};
1056
1057enum queue_stop_reason {
1058 IEEE80211_QUEUE_STOP_REASON_DRIVER,
1059 IEEE80211_QUEUE_STOP_REASON_PS,
1060 IEEE80211_QUEUE_STOP_REASON_CSA,
1061 IEEE80211_QUEUE_STOP_REASON_AGGREGATION,
1062 IEEE80211_QUEUE_STOP_REASON_SUSPEND,
1063 IEEE80211_QUEUE_STOP_REASON_SKB_ADD,
1064 IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL,
1065 IEEE80211_QUEUE_STOP_REASON_FLUSH,
1066 IEEE80211_QUEUE_STOP_REASON_TDLS_TEARDOWN,
1067 IEEE80211_QUEUE_STOP_REASON_RESERVE_TID,
1068 IEEE80211_QUEUE_STOP_REASON_IFTYPE_CHANGE,
1069
1070 IEEE80211_QUEUE_STOP_REASONS,
1071};
1072
1073#ifdef CONFIG_MAC80211_LEDS
1074struct tpt_led_trigger {
1075 char name[32];
1076 const struct ieee80211_tpt_blink *blink_table;
1077 unsigned int blink_table_len;
1078 struct timer_list timer;
1079 struct ieee80211_local *local;
1080 unsigned long prev_traffic;
1081 unsigned long tx_bytes, rx_bytes;
1082 unsigned int active, want;
1083 bool running;
1084};
1085#endif
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103enum {
1104 SCAN_SW_SCANNING,
1105 SCAN_HW_SCANNING,
1106 SCAN_ONCHANNEL_SCANNING,
1107 SCAN_COMPLETED,
1108 SCAN_ABORTED,
1109 SCAN_HW_CANCELLED,
1110};
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125enum mac80211_scan_state {
1126 SCAN_DECISION,
1127 SCAN_SET_CHANNEL,
1128 SCAN_SEND_PROBE,
1129 SCAN_SUSPEND,
1130 SCAN_RESUME,
1131 SCAN_ABORT,
1132};
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159struct airtime_sched_info {
1160 spinlock_t lock;
1161 struct rb_root_cached active_txqs;
1162 struct rb_node *schedule_pos;
1163 struct list_head active_list;
1164 u64 last_weight_update;
1165 u64 last_schedule_activity;
1166 u64 v_t;
1167 u64 weight_sum;
1168 u64 weight_sum_reciprocal;
1169 u32 aql_txq_limit_low;
1170 u32 aql_txq_limit_high;
1171};
1172DECLARE_STATIC_KEY_FALSE(aql_disable);
1173
1174struct ieee80211_local {
1175
1176
1177
1178 struct ieee80211_hw hw;
1179
1180 struct fq fq;
1181 struct codel_vars *cvars;
1182 struct codel_params cparams;
1183
1184
1185 struct airtime_sched_info airtime[IEEE80211_NUM_ACS];
1186 u16 airtime_flags;
1187 u32 aql_threshold;
1188 atomic_t aql_total_pending_airtime;
1189
1190 const struct ieee80211_ops *ops;
1191
1192
1193
1194
1195
1196 struct workqueue_struct *workqueue;
1197
1198 unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES];
1199 int q_stop_reasons[IEEE80211_MAX_QUEUES][IEEE80211_QUEUE_STOP_REASONS];
1200
1201 spinlock_t queue_stop_reason_lock;
1202
1203 int open_count;
1204 int monitors, cooked_mntrs;
1205
1206 int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll,
1207 fif_probe_req;
1208 bool probe_req_reg;
1209 bool rx_mcast_action_reg;
1210 unsigned int filter_flags;
1211
1212 bool wiphy_ciphers_allocated;
1213
1214 bool use_chanctx;
1215
1216
1217 spinlock_t filter_lock;
1218
1219
1220 struct work_struct reconfig_filter;
1221
1222
1223 struct netdev_hw_addr_list mc_list;
1224
1225 bool tim_in_locked_section;
1226
1227
1228
1229
1230
1231
1232
1233 bool suspended;
1234
1235
1236
1237
1238
1239
1240
1241 bool resuming;
1242
1243
1244
1245
1246
1247 bool quiescing;
1248
1249
1250 bool started;
1251
1252
1253 bool in_reconfig;
1254
1255
1256 bool wowlan;
1257
1258 struct work_struct radar_detected_work;
1259
1260
1261 u8 rx_chains;
1262
1263
1264 u8 sband_allocated;
1265
1266 int tx_headroom;
1267
1268
1269
1270
1271
1272#define IEEE80211_IRQSAFE_QUEUE_LIMIT 128
1273 struct tasklet_struct tasklet;
1274 struct sk_buff_head skb_queue;
1275 struct sk_buff_head skb_queue_unreliable;
1276
1277 spinlock_t rx_path_lock;
1278
1279
1280
1281
1282
1283
1284 struct mutex sta_mtx;
1285 spinlock_t tim_lock;
1286 unsigned long num_sta;
1287 struct list_head sta_list;
1288 struct rhltable sta_hash;
1289 struct timer_list sta_cleanup;
1290 int sta_generation;
1291
1292 struct sk_buff_head pending[IEEE80211_MAX_QUEUES];
1293 struct tasklet_struct tx_pending_tasklet;
1294 struct tasklet_struct wake_txqs_tasklet;
1295
1296 atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES];
1297
1298
1299 atomic_t iff_allmultis;
1300
1301 struct rate_control_ref *rate_ctrl;
1302
1303 struct arc4_ctx wep_tx_ctx;
1304 struct arc4_ctx wep_rx_ctx;
1305 u32 wep_iv;
1306
1307
1308 struct list_head interfaces;
1309 struct list_head mon_list;
1310 struct mutex iflist_mtx;
1311
1312
1313
1314
1315
1316 struct mutex key_mtx;
1317
1318
1319 struct mutex mtx;
1320
1321
1322 unsigned long scanning;
1323 struct cfg80211_ssid scan_ssid;
1324 struct cfg80211_scan_request *int_scan_req;
1325 struct cfg80211_scan_request __rcu *scan_req;
1326 struct ieee80211_scan_request *hw_scan_req;
1327 struct cfg80211_chan_def scan_chandef;
1328 enum nl80211_band hw_scan_band;
1329 int scan_channel_idx;
1330 int scan_ies_len;
1331 int hw_scan_ies_bufsize;
1332 struct cfg80211_scan_info scan_info;
1333
1334 struct work_struct sched_scan_stopped_work;
1335 struct ieee80211_sub_if_data __rcu *sched_scan_sdata;
1336 struct cfg80211_sched_scan_request __rcu *sched_scan_req;
1337 u8 scan_addr[ETH_ALEN];
1338
1339 unsigned long leave_oper_channel_time;
1340 enum mac80211_scan_state next_scan_state;
1341 struct delayed_work scan_work;
1342 struct ieee80211_sub_if_data __rcu *scan_sdata;
1343
1344 struct cfg80211_chan_def _oper_chandef;
1345
1346
1347 struct ieee80211_channel *tmp_channel;
1348
1349
1350 struct list_head chanctx_list;
1351 struct mutex chanctx_mtx;
1352
1353#ifdef CONFIG_MAC80211_LEDS
1354 struct led_trigger tx_led, rx_led, assoc_led, radio_led;
1355 struct led_trigger tpt_led;
1356 atomic_t tx_led_active, rx_led_active, assoc_led_active;
1357 atomic_t radio_led_active, tpt_led_active;
1358 struct tpt_led_trigger *tpt_led_trigger;
1359#endif
1360
1361#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
1362
1363
1364 u32 dot11TransmittedFragmentCount;
1365 u32 dot11MulticastTransmittedFrameCount;
1366 u32 dot11FailedCount;
1367 u32 dot11RetryCount;
1368 u32 dot11MultipleRetryCount;
1369 u32 dot11FrameDuplicateCount;
1370 u32 dot11ReceivedFragmentCount;
1371 u32 dot11MulticastReceivedFrameCount;
1372 u32 dot11TransmittedFrameCount;
1373
1374
1375 unsigned int tx_handlers_drop;
1376 unsigned int tx_handlers_queued;
1377 unsigned int tx_handlers_drop_wep;
1378 unsigned int tx_handlers_drop_not_assoc;
1379 unsigned int tx_handlers_drop_unauth_port;
1380 unsigned int rx_handlers_drop;
1381 unsigned int rx_handlers_queued;
1382 unsigned int rx_handlers_drop_nullfunc;
1383 unsigned int rx_handlers_drop_defrag;
1384 unsigned int tx_expand_skb_head;
1385 unsigned int tx_expand_skb_head_cloned;
1386 unsigned int rx_expand_skb_head_defrag;
1387 unsigned int rx_handlers_fragments;
1388 unsigned int tx_status_drop;
1389#define I802_DEBUG_INC(c) (c)++
1390#else
1391#define I802_DEBUG_INC(c) do { } while (0)
1392#endif
1393
1394
1395 int total_ps_buffered;
1396
1397
1398
1399 bool pspolling;
1400
1401
1402
1403
1404 struct ieee80211_sub_if_data *ps_sdata;
1405 struct work_struct dynamic_ps_enable_work;
1406 struct work_struct dynamic_ps_disable_work;
1407 struct timer_list dynamic_ps_timer;
1408 struct notifier_block ifa_notifier;
1409 struct notifier_block ifa6_notifier;
1410
1411
1412
1413
1414
1415 int dynamic_ps_forced_timeout;
1416
1417 int user_power_level;
1418
1419 enum ieee80211_smps_mode smps_mode;
1420
1421 struct work_struct restart_work;
1422
1423#ifdef CONFIG_MAC80211_DEBUGFS
1424 struct local_debugfsdentries {
1425 struct dentry *rcdir;
1426 struct dentry *keys;
1427 } debugfs;
1428 bool force_tx_status;
1429#endif
1430
1431
1432
1433
1434 struct delayed_work roc_work;
1435 struct list_head roc_list;
1436 struct work_struct hw_roc_start, hw_roc_done;
1437 unsigned long hw_roc_start_time;
1438 u64 roc_cookie_counter;
1439
1440 struct idr ack_status_frames;
1441 spinlock_t ack_status_lock;
1442
1443 struct ieee80211_sub_if_data __rcu *p2p_sdata;
1444
1445
1446 struct ieee80211_sub_if_data __rcu *monitor_sdata;
1447 struct cfg80211_chan_def monitor_chandef;
1448
1449
1450 u8 ext_capa[8];
1451};
1452
1453static inline struct ieee80211_sub_if_data *
1454IEEE80211_DEV_TO_SUB_IF(struct net_device *dev)
1455{
1456 return netdev_priv(dev);
1457}
1458
1459static inline struct ieee80211_sub_if_data *
1460IEEE80211_WDEV_TO_SUB_IF(struct wireless_dev *wdev)
1461{
1462 return container_of(wdev, struct ieee80211_sub_if_data, wdev);
1463}
1464
1465static inline struct ieee80211_supported_band *
1466ieee80211_get_sband(struct ieee80211_sub_if_data *sdata)
1467{
1468 struct ieee80211_local *local = sdata->local;
1469 struct ieee80211_chanctx_conf *chanctx_conf;
1470 enum nl80211_band band;
1471
1472 rcu_read_lock();
1473 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
1474
1475 if (!chanctx_conf) {
1476 rcu_read_unlock();
1477 return NULL;
1478 }
1479
1480 band = chanctx_conf->def.chan->band;
1481 rcu_read_unlock();
1482
1483 return local->hw.wiphy->bands[band];
1484}
1485
1486
1487struct ieee80211_csa_ie {
1488 struct cfg80211_chan_def chandef;
1489 u8 mode;
1490 u8 count;
1491 u8 ttl;
1492 u16 pre_value;
1493 u16 reason_code;
1494 u32 max_switch_time;
1495};
1496
1497
1498struct ieee802_11_elems {
1499 const u8 *ie_start;
1500 size_t total_len;
1501
1502
1503 const struct ieee80211_tdls_lnkie *lnk_id;
1504 const struct ieee80211_ch_switch_timing *ch_sw_timing;
1505 const u8 *ext_capab;
1506 const u8 *ssid;
1507 const u8 *supp_rates;
1508 const u8 *ds_params;
1509 const struct ieee80211_tim_ie *tim;
1510 const u8 *challenge;
1511 const u8 *rsn;
1512 const u8 *rsnx;
1513 const u8 *erp_info;
1514 const u8 *ext_supp_rates;
1515 const u8 *wmm_info;
1516 const u8 *wmm_param;
1517 const struct ieee80211_ht_cap *ht_cap_elem;
1518 const struct ieee80211_ht_operation *ht_operation;
1519 const struct ieee80211_vht_cap *vht_cap_elem;
1520 const struct ieee80211_vht_operation *vht_operation;
1521 const struct ieee80211_meshconf_ie *mesh_config;
1522 const u8 *he_cap;
1523 const struct ieee80211_he_operation *he_operation;
1524 const struct ieee80211_he_spr *he_spr;
1525 const struct ieee80211_mu_edca_param_set *mu_edca_param_set;
1526 const struct ieee80211_he_6ghz_capa *he_6ghz_capa;
1527 const u8 *uora_element;
1528 const u8 *mesh_id;
1529 const u8 *peering;
1530 const __le16 *awake_window;
1531 const u8 *preq;
1532 const u8 *prep;
1533 const u8 *perr;
1534 const struct ieee80211_rann_ie *rann;
1535 const struct ieee80211_channel_sw_ie *ch_switch_ie;
1536 const struct ieee80211_ext_chansw_ie *ext_chansw_ie;
1537 const struct ieee80211_wide_bw_chansw_ie *wide_bw_chansw_ie;
1538 const u8 *max_channel_switch_time;
1539 const u8 *country_elem;
1540 const u8 *pwr_constr_elem;
1541 const u8 *cisco_dtpc_elem;
1542 const struct ieee80211_timeout_interval_ie *timeout_int;
1543 const u8 *opmode_notif;
1544 const struct ieee80211_sec_chan_offs_ie *sec_chan_offs;
1545 struct ieee80211_mesh_chansw_params_ie *mesh_chansw_params_ie;
1546 const struct ieee80211_bss_max_idle_period_ie *max_idle_period_ie;
1547 const struct ieee80211_multiple_bssid_configuration *mbssid_config_ie;
1548 const struct ieee80211_bssid_index *bssid_index;
1549 u8 max_bssid_indicator;
1550 u8 dtim_count;
1551 u8 dtim_period;
1552 const struct ieee80211_addba_ext_ie *addba_ext_ie;
1553 const struct ieee80211_s1g_cap *s1g_capab;
1554 const struct ieee80211_s1g_oper_ie *s1g_oper;
1555 const struct ieee80211_s1g_bcn_compat_ie *s1g_bcn_compat;
1556 const struct ieee80211_aid_response_ie *aid_resp;
1557
1558
1559 u8 ext_capab_len;
1560 u8 ssid_len;
1561 u8 supp_rates_len;
1562 u8 tim_len;
1563 u8 challenge_len;
1564 u8 rsn_len;
1565 u8 rsnx_len;
1566 u8 ext_supp_rates_len;
1567 u8 wmm_info_len;
1568 u8 wmm_param_len;
1569 u8 he_cap_len;
1570 u8 mesh_id_len;
1571 u8 peering_len;
1572 u8 preq_len;
1573 u8 prep_len;
1574 u8 perr_len;
1575 u8 country_elem_len;
1576 u8 bssid_index_len;
1577
1578
1579 bool parse_error;
1580};
1581
1582static inline struct ieee80211_local *hw_to_local(
1583 struct ieee80211_hw *hw)
1584{
1585 return container_of(hw, struct ieee80211_local, hw);
1586}
1587
1588static inline struct txq_info *to_txq_info(struct ieee80211_txq *txq)
1589{
1590 return container_of(txq, struct txq_info, txq);
1591}
1592
1593static inline bool txq_has_queue(struct ieee80211_txq *txq)
1594{
1595 struct txq_info *txqi = to_txq_info(txq);
1596
1597 return !(skb_queue_empty(&txqi->frags) && !txqi->tin.backlog_packets);
1598}
1599
1600static inline struct airtime_info *to_airtime_info(struct ieee80211_txq *txq)
1601{
1602 struct ieee80211_sub_if_data *sdata;
1603 struct sta_info *sta;
1604
1605 if (txq->sta) {
1606 sta = container_of(txq->sta, struct sta_info, sta);
1607 return &sta->airtime[txq->ac];
1608 }
1609
1610 sdata = vif_to_sdata(txq->vif);
1611 return &sdata->airtime[txq->ac];
1612}
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629#define IEEE80211_RECIPROCAL_DIVISOR_64 0x100000000ULL
1630#define IEEE80211_RECIPROCAL_SHIFT_64 32
1631#define IEEE80211_RECIPROCAL_DIVISOR_32 0x80000U
1632#define IEEE80211_RECIPROCAL_SHIFT_32 19
1633
1634static inline void airtime_weight_set(struct airtime_info *air_info, u16 weight)
1635{
1636 if (air_info->weight == weight)
1637 return;
1638
1639 air_info->weight = weight;
1640 if (weight) {
1641 air_info->weight_reciprocal =
1642 IEEE80211_RECIPROCAL_DIVISOR_32 / weight;
1643 } else {
1644 air_info->weight_reciprocal = 0;
1645 }
1646}
1647
1648static inline void airtime_weight_sum_set(struct airtime_sched_info *air_sched,
1649 int weight_sum)
1650{
1651 if (air_sched->weight_sum == weight_sum)
1652 return;
1653
1654 air_sched->weight_sum = weight_sum;
1655 if (air_sched->weight_sum) {
1656 air_sched->weight_sum_reciprocal = IEEE80211_RECIPROCAL_DIVISOR_64;
1657 do_div(air_sched->weight_sum_reciprocal, air_sched->weight_sum);
1658 } else {
1659 air_sched->weight_sum_reciprocal = 0;
1660 }
1661}
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686#define AIRTIME_ACTIVE_DURATION (100 * NSEC_PER_MSEC)
1687#define AIRTIME_MAX_BEHIND 20000
1688
1689static inline bool airtime_is_active(struct airtime_info *air_info, u64 now)
1690{
1691 return air_info->last_scheduled >= now - AIRTIME_ACTIVE_DURATION;
1692}
1693
1694static inline void airtime_set_active(struct airtime_sched_info *air_sched,
1695 struct airtime_info *air_info, u64 now)
1696{
1697 air_info->last_scheduled = now;
1698 air_sched->last_schedule_activity = now;
1699 list_move_tail(&air_info->list, &air_sched->active_list);
1700}
1701
1702static inline bool airtime_catchup_v_t(struct airtime_sched_info *air_sched,
1703 u64 v_t, u64 now)
1704{
1705 air_sched->v_t = v_t;
1706 return true;
1707}
1708
1709static inline void init_airtime_info(struct airtime_info *air_info,
1710 struct airtime_sched_info *air_sched)
1711{
1712 atomic_set(&air_info->aql_tx_pending, 0);
1713 air_info->aql_limit_low = air_sched->aql_txq_limit_low;
1714 air_info->aql_limit_high = air_sched->aql_txq_limit_high;
1715 airtime_weight_set(air_info, IEEE80211_DEFAULT_AIRTIME_WEIGHT);
1716 INIT_LIST_HEAD(&air_info->list);
1717}
1718
1719static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr)
1720{
1721 return ether_addr_equal(raddr, addr) ||
1722 is_broadcast_ether_addr(raddr);
1723}
1724
1725static inline bool
1726ieee80211_have_rx_timestamp(struct ieee80211_rx_status *status)
1727{
1728 WARN_ON_ONCE(status->flag & RX_FLAG_MACTIME_START &&
1729 status->flag & RX_FLAG_MACTIME_END);
1730 return !!(status->flag & (RX_FLAG_MACTIME_START | RX_FLAG_MACTIME_END |
1731 RX_FLAG_MACTIME_PLCP_START));
1732}
1733
1734void ieee80211_vif_inc_num_mcast(struct ieee80211_sub_if_data *sdata);
1735void ieee80211_vif_dec_num_mcast(struct ieee80211_sub_if_data *sdata);
1736
1737
1738
1739
1740
1741static inline int
1742ieee80211_vif_get_num_mcast_if(struct ieee80211_sub_if_data *sdata)
1743{
1744 if (sdata->vif.type == NL80211_IFTYPE_AP)
1745 return atomic_read(&sdata->u.ap.num_mcast_sta);
1746 if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN && !sdata->u.vlan.sta)
1747 return atomic_read(&sdata->u.vlan.num_mcast_sta);
1748 return -1;
1749}
1750
1751u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local,
1752 struct ieee80211_rx_status *status,
1753 unsigned int mpdu_len,
1754 unsigned int mpdu_offset);
1755int ieee80211_hw_config(struct ieee80211_local *local, u32 changed);
1756void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx);
1757void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
1758 u32 changed);
1759void ieee80211_configure_filter(struct ieee80211_local *local);
1760u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata);
1761
1762u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local);
1763int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
1764 u64 *cookie, gfp_t gfp);
1765
1766void ieee80211_check_fast_rx(struct sta_info *sta);
1767void __ieee80211_check_fast_rx_iface(struct ieee80211_sub_if_data *sdata);
1768void ieee80211_check_fast_rx_iface(struct ieee80211_sub_if_data *sdata);
1769void ieee80211_clear_fast_rx(struct sta_info *sta);
1770
1771
1772void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata);
1773int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
1774 struct cfg80211_auth_request *req);
1775int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
1776 struct cfg80211_assoc_request *req);
1777int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
1778 struct cfg80211_deauth_request *req);
1779int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata,
1780 struct cfg80211_disassoc_request *req);
1781void ieee80211_send_pspoll(struct ieee80211_local *local,
1782 struct ieee80211_sub_if_data *sdata);
1783void ieee80211_recalc_ps(struct ieee80211_local *local);
1784void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data *sdata);
1785int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata);
1786void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata);
1787void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
1788 struct sk_buff *skb);
1789void ieee80211_sta_rx_queued_ext(struct ieee80211_sub_if_data *sdata,
1790 struct sk_buff *skb);
1791void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata);
1792void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata);
1793void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata);
1794void ieee80211_mgd_conn_tx_status(struct ieee80211_sub_if_data *sdata,
1795 __le16 fc, bool acked);
1796void ieee80211_mgd_quiesce(struct ieee80211_sub_if_data *sdata);
1797void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata);
1798void ieee80211_sta_handle_tspec_ac_params(struct ieee80211_sub_if_data *sdata);
1799void ieee80211_sta_connection_lost(struct ieee80211_sub_if_data *sdata,
1800 u8 *bssid, u8 reason, bool tx);
1801
1802
1803void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local);
1804void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata);
1805void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata,
1806 const u8 *bssid, const u8 *addr, u32 supp_rates);
1807int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
1808 struct cfg80211_ibss_params *params);
1809int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata);
1810void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata);
1811void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
1812 struct sk_buff *skb);
1813int ieee80211_ibss_csa_beacon(struct ieee80211_sub_if_data *sdata,
1814 struct cfg80211_csa_settings *csa_settings);
1815int ieee80211_ibss_finish_csa(struct ieee80211_sub_if_data *sdata);
1816void ieee80211_ibss_stop(struct ieee80211_sub_if_data *sdata);
1817
1818
1819void ieee80211_ocb_work(struct ieee80211_sub_if_data *sdata);
1820void ieee80211_ocb_rx_no_sta(struct ieee80211_sub_if_data *sdata,
1821 const u8 *bssid, const u8 *addr, u32 supp_rates);
1822void ieee80211_ocb_setup_sdata(struct ieee80211_sub_if_data *sdata);
1823int ieee80211_ocb_join(struct ieee80211_sub_if_data *sdata,
1824 struct ocb_setup *setup);
1825int ieee80211_ocb_leave(struct ieee80211_sub_if_data *sdata);
1826
1827
1828void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata);
1829void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
1830 struct sk_buff *skb);
1831int ieee80211_mesh_csa_beacon(struct ieee80211_sub_if_data *sdata,
1832 struct cfg80211_csa_settings *csa_settings);
1833int ieee80211_mesh_finish_csa(struct ieee80211_sub_if_data *sdata);
1834
1835
1836void ieee80211_scan_work(struct work_struct *work);
1837int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data *sdata,
1838 const u8 *ssid, u8 ssid_len,
1839 struct ieee80211_channel **channels,
1840 unsigned int n_channels,
1841 enum nl80211_bss_scan_width scan_width);
1842int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata,
1843 struct cfg80211_scan_request *req);
1844void ieee80211_scan_cancel(struct ieee80211_local *local);
1845void ieee80211_run_deferred_scan(struct ieee80211_local *local);
1846void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb);
1847
1848void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local);
1849struct ieee80211_bss *
1850ieee80211_bss_info_update(struct ieee80211_local *local,
1851 struct ieee80211_rx_status *rx_status,
1852 struct ieee80211_mgmt *mgmt,
1853 size_t len,
1854 struct ieee80211_channel *channel);
1855void ieee80211_rx_bss_put(struct ieee80211_local *local,
1856 struct ieee80211_bss *bss);
1857
1858
1859int
1860__ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
1861 struct cfg80211_sched_scan_request *req);
1862int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
1863 struct cfg80211_sched_scan_request *req);
1864int ieee80211_request_sched_scan_stop(struct ieee80211_local *local);
1865void ieee80211_sched_scan_end(struct ieee80211_local *local);
1866void ieee80211_sched_scan_stopped_work(struct work_struct *work);
1867
1868
1869void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local);
1870void ieee80211_offchannel_return(struct ieee80211_local *local);
1871void ieee80211_roc_setup(struct ieee80211_local *local);
1872void ieee80211_start_next_roc(struct ieee80211_local *local);
1873void ieee80211_roc_purge(struct ieee80211_local *local,
1874 struct ieee80211_sub_if_data *sdata);
1875int ieee80211_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
1876 struct ieee80211_channel *chan,
1877 unsigned int duration, u64 *cookie);
1878int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
1879 struct wireless_dev *wdev, u64 cookie);
1880int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
1881 struct cfg80211_mgmt_tx_params *params, u64 *cookie);
1882int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
1883 struct wireless_dev *wdev, u64 cookie);
1884
1885
1886void ieee80211_csa_finalize_work(struct work_struct *work);
1887int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
1888 struct cfg80211_csa_settings *params);
1889
1890
1891#define MAC80211_SUPPORTED_FEATURES_TX (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | \
1892 NETIF_F_HW_CSUM | NETIF_F_SG | \
1893 NETIF_F_HIGHDMA | NETIF_F_GSO_SOFTWARE)
1894#define MAC80211_SUPPORTED_FEATURES_RX (NETIF_F_RXCSUM)
1895#define MAC80211_SUPPORTED_FEATURES (MAC80211_SUPPORTED_FEATURES_TX | \
1896 MAC80211_SUPPORTED_FEATURES_RX)
1897
1898int ieee80211_iface_init(void);
1899void ieee80211_iface_exit(void);
1900int ieee80211_if_add(struct ieee80211_local *local, const char *name,
1901 unsigned char name_assign_type,
1902 struct wireless_dev **new_wdev, enum nl80211_iftype type,
1903 struct vif_params *params);
1904int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata,
1905 enum nl80211_iftype type);
1906void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata);
1907void ieee80211_remove_interfaces(struct ieee80211_local *local);
1908u32 ieee80211_idle_off(struct ieee80211_local *local);
1909void ieee80211_recalc_idle(struct ieee80211_local *local);
1910void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata,
1911 const int offset);
1912int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up);
1913void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata);
1914int ieee80211_add_virtual_monitor(struct ieee80211_local *local);
1915void ieee80211_del_virtual_monitor(struct ieee80211_local *local);
1916
1917bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata);
1918void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata,
1919 bool update_bss);
1920void ieee80211_recalc_offload(struct ieee80211_local *local);
1921
1922static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata)
1923{
1924 return test_bit(SDATA_STATE_RUNNING, &sdata->state);
1925}
1926
1927
1928void ieee80211_clear_tx_pending(struct ieee80211_local *local);
1929void ieee80211_tx_pending(struct tasklet_struct *t);
1930netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb,
1931 struct net_device *dev);
1932netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
1933 struct net_device *dev);
1934netdev_tx_t ieee80211_subif_start_xmit_8023(struct sk_buff *skb,
1935 struct net_device *dev);
1936void __ieee80211_subif_start_xmit(struct sk_buff *skb,
1937 struct net_device *dev,
1938 u32 info_flags,
1939 u32 ctrl_flags,
1940 u64 *cookie);
1941void ieee80211_purge_tx_queue(struct ieee80211_hw *hw,
1942 struct sk_buff_head *skbs);
1943struct sk_buff *
1944ieee80211_build_data_template(struct ieee80211_sub_if_data *sdata,
1945 struct sk_buff *skb, u32 info_flags);
1946void ieee80211_tx_monitor(struct ieee80211_local *local, struct sk_buff *skb,
1947 struct ieee80211_supported_band *sband,
1948 int retry_count, int shift, bool send_to_cooked,
1949 struct ieee80211_tx_status *status);
1950
1951void ieee80211_check_fast_xmit(struct sta_info *sta);
1952void ieee80211_check_fast_xmit_all(struct ieee80211_local *local);
1953void ieee80211_check_fast_xmit_iface(struct ieee80211_sub_if_data *sdata);
1954void ieee80211_clear_fast_xmit(struct sta_info *sta);
1955int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev,
1956 const u8 *buf, size_t len,
1957 const u8 *dest, __be16 proto, bool unencrypted,
1958 u64 *cookie);
1959int ieee80211_probe_mesh_link(struct wiphy *wiphy, struct net_device *dev,
1960 const u8 *buf, size_t len);
1961void ieee80211_resort_txq(struct ieee80211_hw *hw,
1962 struct ieee80211_txq *txq);
1963void ieee80211_unschedule_txq(struct ieee80211_hw *hw,
1964 struct ieee80211_txq *txq,
1965 bool purge);
1966void ieee80211_update_airtime_weight(struct ieee80211_local *local,
1967 struct airtime_sched_info *air_sched,
1968 u64 now, bool force);
1969
1970
1971void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata,
1972 struct ieee80211_sta_ht_cap *ht_cap);
1973bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata,
1974 struct ieee80211_supported_band *sband,
1975 const struct ieee80211_ht_cap *ht_cap_ie,
1976 struct sta_info *sta);
1977void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata,
1978 const u8 *da, u16 tid,
1979 u16 initiator, u16 reason_code);
1980int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata,
1981 enum ieee80211_smps_mode smps, const u8 *da,
1982 const u8 *bssid);
1983void ieee80211_request_smps_ap_work(struct work_struct *work);
1984void ieee80211_request_smps_mgd_work(struct work_struct *work);
1985bool ieee80211_smps_is_restrictive(enum ieee80211_smps_mode smps_mode_old,
1986 enum ieee80211_smps_mode smps_mode_new);
1987
1988void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
1989 u16 initiator, u16 reason, bool stop);
1990void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
1991 u16 initiator, u16 reason, bool stop);
1992void ___ieee80211_start_rx_ba_session(struct sta_info *sta,
1993 u8 dialog_token, u16 timeout,
1994 u16 start_seq_num, u16 ba_policy, u16 tid,
1995 u16 buf_size, bool tx, bool auto_seq,
1996 const struct ieee80211_addba_ext_ie *addbaext);
1997void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta,
1998 enum ieee80211_agg_stop_reason reason);
1999void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata,
2000 struct sta_info *sta,
2001 struct ieee80211_mgmt *mgmt, size_t len);
2002void ieee80211_process_addba_resp(struct ieee80211_local *local,
2003 struct sta_info *sta,
2004 struct ieee80211_mgmt *mgmt,
2005 size_t len);
2006void ieee80211_process_addba_request(struct ieee80211_local *local,
2007 struct sta_info *sta,
2008 struct ieee80211_mgmt *mgmt,
2009 size_t len);
2010
2011int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
2012 enum ieee80211_agg_stop_reason reason);
2013int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
2014 enum ieee80211_agg_stop_reason reason);
2015void ieee80211_start_tx_ba_cb(struct sta_info *sta, int tid,
2016 struct tid_ampdu_tx *tid_tx);
2017void ieee80211_stop_tx_ba_cb(struct sta_info *sta, int tid,
2018 struct tid_ampdu_tx *tid_tx);
2019void ieee80211_ba_session_work(struct work_struct *work);
2020void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid);
2021void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid);
2022
2023u8 ieee80211_mcs_to_chains(const struct ieee80211_mcs_info *mcs);
2024enum nl80211_smps_mode
2025ieee80211_smps_mode_to_smps_mode(enum ieee80211_smps_mode smps);
2026
2027
2028void
2029ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata,
2030 struct ieee80211_supported_band *sband,
2031 const struct ieee80211_vht_cap *vht_cap_ie,
2032 struct sta_info *sta);
2033enum ieee80211_sta_rx_bandwidth ieee80211_sta_cap_rx_bw(struct sta_info *sta);
2034enum ieee80211_sta_rx_bandwidth ieee80211_sta_cur_vht_bw(struct sta_info *sta);
2035void ieee80211_sta_set_rx_nss(struct sta_info *sta);
2036enum ieee80211_sta_rx_bandwidth
2037ieee80211_chan_width_to_rx_bw(enum nl80211_chan_width width);
2038enum nl80211_chan_width ieee80211_sta_cap_chan_bw(struct sta_info *sta);
2039void ieee80211_process_mu_groups(struct ieee80211_sub_if_data *sdata,
2040 struct ieee80211_mgmt *mgmt);
2041u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata,
2042 struct sta_info *sta, u8 opmode,
2043 enum nl80211_band band);
2044void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata,
2045 struct sta_info *sta, u8 opmode,
2046 enum nl80211_band band);
2047void ieee80211_apply_vhtcap_overrides(struct ieee80211_sub_if_data *sdata,
2048 struct ieee80211_sta_vht_cap *vht_cap);
2049void ieee80211_get_vht_mask_from_cap(__le16 vht_cap,
2050 u16 vht_mask[NL80211_VHT_NSS_MAX]);
2051enum nl80211_chan_width
2052ieee80211_sta_rx_bw_to_chan_width(struct sta_info *sta);
2053
2054
2055void
2056ieee80211_he_cap_ie_to_sta_he_cap(struct ieee80211_sub_if_data *sdata,
2057 struct ieee80211_supported_band *sband,
2058 const u8 *he_cap_ie, u8 he_cap_len,
2059 const struct ieee80211_he_6ghz_capa *he_6ghz_capa,
2060 struct sta_info *sta);
2061void
2062ieee80211_he_spr_ie_to_bss_conf(struct ieee80211_vif *vif,
2063 const struct ieee80211_he_spr *he_spr_ie_elem);
2064
2065void
2066ieee80211_he_op_ie_to_bss_conf(struct ieee80211_vif *vif,
2067 const struct ieee80211_he_operation *he_op_ie_elem);
2068
2069
2070void ieee80211_s1g_sta_rate_init(struct sta_info *sta);
2071
2072
2073void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata,
2074 struct ieee80211_mgmt *mgmt,
2075 size_t len);
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata,
2094 struct ieee802_11_elems *elems,
2095 enum nl80211_band current_band,
2096 u32 vht_cap_info,
2097 u32 sta_flags, u8 *bssid,
2098 struct ieee80211_csa_ie *csa_ie);
2099
2100
2101int ieee80211_reconfig(struct ieee80211_local *local);
2102void ieee80211_stop_device(struct ieee80211_local *local);
2103
2104int __ieee80211_suspend(struct ieee80211_hw *hw,
2105 struct cfg80211_wowlan *wowlan);
2106
2107static inline int __ieee80211_resume(struct ieee80211_hw *hw)
2108{
2109 struct ieee80211_local *local = hw_to_local(hw);
2110
2111 WARN(test_bit(SCAN_HW_SCANNING, &local->scanning) &&
2112 !test_bit(SCAN_COMPLETED, &local->scanning),
2113 "%s: resume with hardware scan still in progress\n",
2114 wiphy_name(hw->wiphy));
2115
2116 return ieee80211_reconfig(hw_to_local(hw));
2117}
2118
2119
2120extern const void *const mac80211_wiphy_privid;
2121int ieee80211_frame_duration(enum nl80211_band band, size_t len,
2122 int rate, int erp, int short_preamble,
2123 int shift);
2124void ieee80211_regulatory_limit_wmm_params(struct ieee80211_sub_if_data *sdata,
2125 struct ieee80211_tx_queue_params *qparam,
2126 int ac);
2127void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata,
2128 bool bss_notify, bool enable_qos);
2129void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
2130 struct sta_info *sta, struct sk_buff *skb);
2131
2132void __ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata,
2133 struct sk_buff *skb, int tid,
2134 enum nl80211_band band);
2135
2136
2137int ieee80211_lookup_ra_sta(struct ieee80211_sub_if_data *sdata,
2138 struct sk_buff *skb,
2139 struct sta_info **sta_out);
2140
2141static inline void
2142ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata,
2143 struct sk_buff *skb, int tid,
2144 enum nl80211_band band)
2145{
2146 rcu_read_lock();
2147 __ieee80211_tx_skb_tid_band(sdata, skb, tid, band);
2148 rcu_read_unlock();
2149}
2150
2151static inline void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata,
2152 struct sk_buff *skb, int tid)
2153{
2154 struct ieee80211_chanctx_conf *chanctx_conf;
2155
2156 rcu_read_lock();
2157 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
2158 if (WARN_ON(!chanctx_conf)) {
2159 rcu_read_unlock();
2160 kfree_skb(skb);
2161 return;
2162 }
2163
2164 __ieee80211_tx_skb_tid_band(sdata, skb, tid,
2165 chanctx_conf->def.chan->band);
2166 rcu_read_unlock();
2167}
2168
2169static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata,
2170 struct sk_buff *skb)
2171{
2172
2173 ieee80211_tx_skb_tid(sdata, skb, 7);
2174}
2175
2176u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
2177 struct ieee802_11_elems *elems,
2178 u64 filter, u32 crc, u8 *transmitter_bssid,
2179 u8 *bss_bssid);
2180static inline void ieee802_11_parse_elems(const u8 *start, size_t len,
2181 bool action,
2182 struct ieee802_11_elems *elems,
2183 u8 *transmitter_bssid,
2184 u8 *bss_bssid)
2185{
2186 ieee802_11_parse_elems_crc(start, len, action, elems, 0, 0,
2187 transmitter_bssid, bss_bssid);
2188}
2189
2190
2191extern const int ieee802_1d_to_ac[8];
2192
2193static inline int ieee80211_ac_from_tid(int tid)
2194{
2195 return ieee802_1d_to_ac[tid & 7];
2196}
2197
2198void ieee80211_dynamic_ps_enable_work(struct work_struct *work);
2199void ieee80211_dynamic_ps_disable_work(struct work_struct *work);
2200void ieee80211_dynamic_ps_timer(struct timer_list *t);
2201void ieee80211_send_nullfunc(struct ieee80211_local *local,
2202 struct ieee80211_sub_if_data *sdata,
2203 bool powersave);
2204void ieee80211_send_4addr_nullfunc(struct ieee80211_local *local,
2205 struct ieee80211_sub_if_data *sdata);
2206void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata,
2207 struct ieee80211_hdr *hdr, bool ack, u16 tx_time);
2208
2209void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw,
2210 unsigned long queues,
2211 enum queue_stop_reason reason,
2212 bool refcounted);
2213void ieee80211_stop_vif_queues(struct ieee80211_local *local,
2214 struct ieee80211_sub_if_data *sdata,
2215 enum queue_stop_reason reason);
2216void ieee80211_wake_vif_queues(struct ieee80211_local *local,
2217 struct ieee80211_sub_if_data *sdata,
2218 enum queue_stop_reason reason);
2219void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw,
2220 unsigned long queues,
2221 enum queue_stop_reason reason,
2222 bool refcounted);
2223void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue,
2224 enum queue_stop_reason reason,
2225 bool refcounted);
2226void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue,
2227 enum queue_stop_reason reason,
2228 bool refcounted);
2229void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue);
2230void ieee80211_add_pending_skb(struct ieee80211_local *local,
2231 struct sk_buff *skb);
2232void ieee80211_add_pending_skbs(struct ieee80211_local *local,
2233 struct sk_buff_head *skbs);
2234void ieee80211_flush_queues(struct ieee80211_local *local,
2235 struct ieee80211_sub_if_data *sdata, bool drop);
2236void __ieee80211_flush_queues(struct ieee80211_local *local,
2237 struct ieee80211_sub_if_data *sdata,
2238 unsigned int queues, bool drop);
2239
2240static inline bool ieee80211_can_run_worker(struct ieee80211_local *local)
2241{
2242
2243
2244
2245
2246 if (local->in_reconfig)
2247 return false;
2248
2249
2250
2251
2252
2253
2254
2255 if (local->quiescing)
2256 return false;
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271 if (local->suspended)
2272 return false;
2273
2274 return true;
2275}
2276
2277int ieee80211_txq_setup_flows(struct ieee80211_local *local);
2278void ieee80211_txq_set_params(struct ieee80211_local *local);
2279void ieee80211_txq_teardown_flows(struct ieee80211_local *local);
2280void ieee80211_txq_init(struct ieee80211_sub_if_data *sdata,
2281 struct sta_info *sta,
2282 struct txq_info *txq, int tid);
2283void ieee80211_txq_purge(struct ieee80211_local *local,
2284 struct txq_info *txqi);
2285void ieee80211_txq_remove_vlan(struct ieee80211_local *local,
2286 struct ieee80211_sub_if_data *sdata);
2287void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats,
2288 struct txq_info *txqi);
2289void ieee80211_wake_txqs(struct tasklet_struct *t);
2290void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
2291 u16 transaction, u16 auth_alg, u16 status,
2292 const u8 *extra, size_t extra_len, const u8 *bssid,
2293 const u8 *da, const u8 *key, u8 key_len, u8 key_idx,
2294 u32 tx_flags);
2295void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,
2296 const u8 *da, const u8 *bssid,
2297 u16 stype, u16 reason,
2298 bool send_frame, u8 *frame_buf);
2299
2300enum {
2301 IEEE80211_PROBE_FLAG_DIRECTED = BIT(0),
2302 IEEE80211_PROBE_FLAG_MIN_CONTENT = BIT(1),
2303 IEEE80211_PROBE_FLAG_RANDOM_SN = BIT(2),
2304};
2305
2306int ieee80211_build_preq_ies(struct ieee80211_sub_if_data *sdata, u8 *buffer,
2307 size_t buffer_len,
2308 struct ieee80211_scan_ies *ie_desc,
2309 const u8 *ie, size_t ie_len,
2310 u8 bands_used, u32 *rate_masks,
2311 struct cfg80211_chan_def *chandef,
2312 u32 flags);
2313struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
2314 const u8 *src, const u8 *dst,
2315 u32 ratemask,
2316 struct ieee80211_channel *chan,
2317 const u8 *ssid, size_t ssid_len,
2318 const u8 *ie, size_t ie_len,
2319 u32 flags);
2320u32 ieee80211_sta_get_rates(struct ieee80211_sub_if_data *sdata,
2321 struct ieee802_11_elems *elems,
2322 enum nl80211_band band, u32 *basic_rates);
2323int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2324 enum ieee80211_smps_mode smps_mode);
2325void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata);
2326void ieee80211_recalc_min_chandef(struct ieee80211_sub_if_data *sdata);
2327
2328size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset);
2329u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
2330 u16 cap);
2331u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
2332 const struct cfg80211_chan_def *chandef,
2333 u16 prot_mode, bool rifs_mode);
2334void ieee80211_ie_build_wide_bw_cs(u8 *pos,
2335 const struct cfg80211_chan_def *chandef);
2336u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap,
2337 u32 cap);
2338u8 *ieee80211_ie_build_vht_oper(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap,
2339 const struct cfg80211_chan_def *chandef);
2340u8 ieee80211_ie_len_he_cap(struct ieee80211_sub_if_data *sdata, u8 iftype);
2341u8 *ieee80211_ie_build_he_cap(u8 *pos,
2342 const struct ieee80211_sta_he_cap *he_cap,
2343 u8 *end);
2344void ieee80211_ie_build_he_6ghz_cap(struct ieee80211_sub_if_data *sdata,
2345 struct sk_buff *skb);
2346u8 *ieee80211_ie_build_he_oper(u8 *pos, struct cfg80211_chan_def *chandef);
2347int ieee80211_parse_bitrates(struct cfg80211_chan_def *chandef,
2348 const struct ieee80211_supported_band *sband,
2349 const u8 *srates, int srates_len, u32 *rates);
2350int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata,
2351 struct sk_buff *skb, bool need_basic,
2352 enum nl80211_band band);
2353int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata,
2354 struct sk_buff *skb, bool need_basic,
2355 enum nl80211_band band);
2356u8 *ieee80211_add_wmm_info_ie(u8 *buf, u8 qosinfo);
2357void ieee80211_add_s1g_capab_ie(struct ieee80211_sub_if_data *sdata,
2358 struct ieee80211_sta_s1g_cap *caps,
2359 struct sk_buff *skb);
2360void ieee80211_add_aid_request_ie(struct ieee80211_sub_if_data *sdata,
2361 struct sk_buff *skb);
2362
2363
2364bool ieee80211_chandef_ht_oper(const struct ieee80211_ht_operation *ht_oper,
2365 struct cfg80211_chan_def *chandef);
2366bool ieee80211_chandef_vht_oper(struct ieee80211_hw *hw, u32 vht_cap_info,
2367 const struct ieee80211_vht_operation *oper,
2368 const struct ieee80211_ht_operation *htop,
2369 struct cfg80211_chan_def *chandef);
2370bool ieee80211_chandef_he_6ghz_oper(struct ieee80211_sub_if_data *sdata,
2371 const struct ieee80211_he_operation *he_oper,
2372 struct cfg80211_chan_def *chandef);
2373bool ieee80211_chandef_s1g_oper(const struct ieee80211_s1g_oper_ie *oper,
2374 struct cfg80211_chan_def *chandef);
2375u32 ieee80211_chandef_downgrade(struct cfg80211_chan_def *c);
2376
2377int __must_check
2378ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata,
2379 const struct cfg80211_chan_def *chandef,
2380 enum ieee80211_chanctx_mode mode);
2381int __must_check
2382ieee80211_vif_reserve_chanctx(struct ieee80211_sub_if_data *sdata,
2383 const struct cfg80211_chan_def *chandef,
2384 enum ieee80211_chanctx_mode mode,
2385 bool radar_required);
2386int __must_check
2387ieee80211_vif_use_reserved_context(struct ieee80211_sub_if_data *sdata);
2388int ieee80211_vif_unreserve_chanctx(struct ieee80211_sub_if_data *sdata);
2389
2390int __must_check
2391ieee80211_vif_change_bandwidth(struct ieee80211_sub_if_data *sdata,
2392 const struct cfg80211_chan_def *chandef,
2393 u32 *changed);
2394void ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata);
2395void ieee80211_vif_vlan_copy_chanctx(struct ieee80211_sub_if_data *sdata);
2396void ieee80211_vif_copy_chanctx_to_vlans(struct ieee80211_sub_if_data *sdata,
2397 bool clear);
2398int ieee80211_chanctx_refcount(struct ieee80211_local *local,
2399 struct ieee80211_chanctx *ctx);
2400
2401void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local,
2402 struct ieee80211_chanctx *chanctx);
2403void ieee80211_recalc_chanctx_min_def(struct ieee80211_local *local,
2404 struct ieee80211_chanctx *ctx);
2405bool ieee80211_is_radar_required(struct ieee80211_local *local);
2406
2407void ieee80211_dfs_cac_timer(unsigned long data);
2408void ieee80211_dfs_cac_timer_work(struct work_struct *work);
2409void ieee80211_dfs_cac_cancel(struct ieee80211_local *local);
2410void ieee80211_dfs_radar_detected_work(struct work_struct *work);
2411int ieee80211_send_action_csa(struct ieee80211_sub_if_data *sdata,
2412 struct cfg80211_csa_settings *csa_settings);
2413
2414bool ieee80211_cs_valid(const struct ieee80211_cipher_scheme *cs);
2415bool ieee80211_cs_list_valid(const struct ieee80211_cipher_scheme *cs, int n);
2416const struct ieee80211_cipher_scheme *
2417ieee80211_cs_get(struct ieee80211_local *local, u32 cipher,
2418 enum nl80211_iftype iftype);
2419int ieee80211_cs_headroom(struct ieee80211_local *local,
2420 struct cfg80211_crypto_settings *crypto,
2421 enum nl80211_iftype iftype);
2422void ieee80211_recalc_dtim(struct ieee80211_local *local,
2423 struct ieee80211_sub_if_data *sdata);
2424int ieee80211_check_combinations(struct ieee80211_sub_if_data *sdata,
2425 const struct cfg80211_chan_def *chandef,
2426 enum ieee80211_chanctx_mode chanmode,
2427 u8 radar_detect);
2428int ieee80211_max_num_channels(struct ieee80211_local *local);
2429void ieee80211_recalc_chanctx_chantype(struct ieee80211_local *local,
2430 struct ieee80211_chanctx *ctx);
2431
2432
2433int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
2434 const u8 *peer, u8 action_code, u8 dialog_token,
2435 u16 status_code, u32 peer_capability,
2436 bool initiator, const u8 *extra_ies,
2437 size_t extra_ies_len);
2438int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
2439 const u8 *peer, enum nl80211_tdls_operation oper);
2440void ieee80211_tdls_peer_del_work(struct work_struct *wk);
2441int ieee80211_tdls_channel_switch(struct wiphy *wiphy, struct net_device *dev,
2442 const u8 *addr, u8 oper_class,
2443 struct cfg80211_chan_def *chandef);
2444void ieee80211_tdls_cancel_channel_switch(struct wiphy *wiphy,
2445 struct net_device *dev,
2446 const u8 *addr);
2447void ieee80211_teardown_tdls_peers(struct ieee80211_sub_if_data *sdata);
2448void ieee80211_tdls_handle_disconnect(struct ieee80211_sub_if_data *sdata,
2449 const u8 *peer, u16 reason);
2450void
2451ieee80211_process_tdls_channel_switch(struct ieee80211_sub_if_data *sdata,
2452 struct sk_buff *skb);
2453
2454
2455const char *ieee80211_get_reason_code_string(u16 reason_code);
2456u16 ieee80211_encode_usf(int val);
2457u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len,
2458 enum nl80211_iftype type);
2459
2460extern const struct ethtool_ops ieee80211_ethtool_ops;
2461
2462u32 ieee80211_calc_expected_tx_airtime(struct ieee80211_hw *hw,
2463 struct ieee80211_vif *vif,
2464 struct ieee80211_sta *pubsta,
2465 int len, bool ampdu);
2466#ifdef CONFIG_MAC80211_NOINLINE
2467#define debug_noinline noinline
2468#else
2469#define debug_noinline
2470#endif
2471
2472void ieee80211_init_frag_cache(struct ieee80211_fragment_cache *cache);
2473void ieee80211_destroy_frag_cache(struct ieee80211_fragment_cache *cache);
2474
2475#endif
2476