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12#ifndef IEEE80211_I_H
13#define IEEE80211_I_H
14
15#include <linux/kernel.h>
16#include <linux/device.h>
17#include <linux/if_ether.h>
18#include <linux/interrupt.h>
19#include <linux/list.h>
20#include <linux/netdevice.h>
21#include <linux/skbuff.h>
22#include <linux/workqueue.h>
23#include <linux/types.h>
24#include <linux/spinlock.h>
25#include <linux/etherdevice.h>
26#include <linux/leds.h>
27#include <net/ieee80211_radiotap.h>
28#include <net/cfg80211.h>
29#include <net/mac80211.h>
30#include "key.h"
31#include "sta_info.h"
32
33struct ieee80211_local;
34
35
36
37#define AP_MAX_BC_BUFFER 128
38
39
40
41
42#define TOTAL_MAX_TX_BUFFER 512
43
44
45#define IEEE80211_ENCRYPT_HEADROOM 8
46#define IEEE80211_ENCRYPT_TAILROOM 18
47
48
49
50
51
52#define IEEE80211_FRAGMENT_MAX 4
53
54#define TU_TO_EXP_TIME(x) (jiffies + usecs_to_jiffies((x) * 1024))
55
56#define IEEE80211_DEFAULT_UAPSD_QUEUES \
57 (IEEE80211_WMM_IE_STA_QOSINFO_AC_BK | \
58 IEEE80211_WMM_IE_STA_QOSINFO_AC_BE | \
59 IEEE80211_WMM_IE_STA_QOSINFO_AC_VI | \
60 IEEE80211_WMM_IE_STA_QOSINFO_AC_VO)
61
62#define IEEE80211_DEFAULT_MAX_SP_LEN \
63 IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL
64
65struct ieee80211_fragment_entry {
66 unsigned long first_frag_time;
67 unsigned int seq;
68 unsigned int rx_queue;
69 unsigned int last_frag;
70 unsigned int extra_len;
71 struct sk_buff_head skb_list;
72 int ccmp;
73 u8 last_pn[6];
74};
75
76
77struct ieee80211_bss {
78
79 size_t ssid_len;
80 u8 ssid[IEEE80211_MAX_SSID_LEN];
81
82 u8 dtim_period;
83
84 bool wmm_used;
85 bool uapsd_supported;
86
87 unsigned long last_probe_resp;
88
89#ifdef CONFIG_MAC80211_MESH
90 u8 *mesh_id;
91 size_t mesh_id_len;
92 u8 *mesh_cfg;
93#endif
94
95#define IEEE80211_MAX_SUPP_RATES 32
96 u8 supp_rates[IEEE80211_MAX_SUPP_RATES];
97 size_t supp_rates_len;
98
99
100
101
102
103
104
105 bool has_erp_value;
106 u8 erp_value;
107};
108
109static inline u8 *bss_mesh_cfg(struct ieee80211_bss *bss)
110{
111#ifdef CONFIG_MAC80211_MESH
112 return bss->mesh_cfg;
113#endif
114 return NULL;
115}
116
117static inline u8 *bss_mesh_id(struct ieee80211_bss *bss)
118{
119#ifdef CONFIG_MAC80211_MESH
120 return bss->mesh_id;
121#endif
122 return NULL;
123}
124
125static inline u8 bss_mesh_id_len(struct ieee80211_bss *bss)
126{
127#ifdef CONFIG_MAC80211_MESH
128 return bss->mesh_id_len;
129#endif
130 return 0;
131}
132
133
134typedef unsigned __bitwise__ ieee80211_tx_result;
135#define TX_CONTINUE ((__force ieee80211_tx_result) 0u)
136#define TX_DROP ((__force ieee80211_tx_result) 1u)
137#define TX_QUEUED ((__force ieee80211_tx_result) 2u)
138
139#define IEEE80211_TX_FRAGMENTED BIT(0)
140#define IEEE80211_TX_UNICAST BIT(1)
141#define IEEE80211_TX_PS_BUFFERED BIT(2)
142
143struct ieee80211_tx_data {
144 struct sk_buff *skb;
145 struct ieee80211_local *local;
146 struct ieee80211_sub_if_data *sdata;
147 struct sta_info *sta;
148 struct ieee80211_key *key;
149
150 struct ieee80211_channel *channel;
151
152 u16 ethertype;
153 unsigned int flags;
154};
155
156
157typedef unsigned __bitwise__ ieee80211_rx_result;
158#define RX_CONTINUE ((__force ieee80211_rx_result) 0u)
159#define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u)
160#define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u)
161#define RX_QUEUED ((__force ieee80211_rx_result) 3u)
162
163
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173
174
175
176enum ieee80211_packet_rx_flags {
177 IEEE80211_RX_IN_SCAN = BIT(0),
178 IEEE80211_RX_RA_MATCH = BIT(1),
179 IEEE80211_RX_FRAGMENTED = BIT(2),
180 IEEE80211_RX_AMSDU = BIT(3),
181 IEEE80211_RX_MALFORMED_ACTION_FRM = BIT(4),
182 IEEE80211_RX_DEFERRED_RELEASE = BIT(5),
183};
184
185
186
187
188
189
190
191
192
193enum ieee80211_rx_flags {
194 IEEE80211_RX_CMNTR = BIT(0),
195};
196
197struct ieee80211_rx_data {
198 struct sk_buff *skb;
199 struct ieee80211_local *local;
200 struct ieee80211_sub_if_data *sdata;
201 struct sta_info *sta;
202 struct ieee80211_key *key;
203
204 unsigned int flags;
205 int queue;
206 u32 tkip_iv32;
207 u16 tkip_iv16;
208};
209
210struct beacon_data {
211 u8 *head, *tail;
212 int head_len, tail_len;
213 int dtim_period;
214};
215
216struct ieee80211_if_ap {
217 struct beacon_data *beacon;
218
219 struct list_head vlans;
220
221
222
223
224 u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)];
225 struct sk_buff_head ps_bc_buf;
226 atomic_t num_sta_ps;
227 int dtim_count;
228};
229
230struct ieee80211_if_wds {
231 struct sta_info *sta;
232 u8 remote_addr[ETH_ALEN];
233};
234
235struct ieee80211_if_vlan {
236 struct list_head list;
237
238
239 struct sta_info *sta;
240};
241
242struct mesh_stats {
243 __u32 fwded_mcast;
244 __u32 fwded_unicast;
245 __u32 fwded_frames;
246 __u32 dropped_frames_ttl;
247 __u32 dropped_frames_no_route;
248 atomic_t estab_plinks;
249};
250
251#define PREQ_Q_F_START 0x1
252#define PREQ_Q_F_REFRESH 0x2
253struct mesh_preq_queue {
254 struct list_head list;
255 u8 dst[ETH_ALEN];
256 u8 flags;
257};
258
259enum ieee80211_work_type {
260 IEEE80211_WORK_ABORT,
261 IEEE80211_WORK_DIRECT_PROBE,
262 IEEE80211_WORK_AUTH,
263 IEEE80211_WORK_ASSOC_BEACON_WAIT,
264 IEEE80211_WORK_ASSOC,
265 IEEE80211_WORK_REMAIN_ON_CHANNEL,
266 IEEE80211_WORK_OFFCHANNEL_TX,
267};
268
269
270
271
272
273
274
275
276enum work_done_result {
277 WORK_DONE_DESTROY,
278 WORK_DONE_REQUEUE,
279};
280
281struct ieee80211_work {
282 struct list_head list;
283
284 struct rcu_head rcu_head;
285
286 struct ieee80211_sub_if_data *sdata;
287
288 enum work_done_result (*done)(struct ieee80211_work *wk,
289 struct sk_buff *skb);
290
291 struct ieee80211_channel *chan;
292 enum nl80211_channel_type chan_type;
293
294 unsigned long timeout;
295 enum ieee80211_work_type type;
296
297 u8 filter_ta[ETH_ALEN];
298
299 bool started;
300
301 union {
302 struct {
303 int tries;
304 u16 algorithm, transaction;
305 u8 ssid[IEEE80211_MAX_SSID_LEN];
306 u8 ssid_len;
307 u8 key[WLAN_KEY_LEN_WEP104];
308 u8 key_len, key_idx;
309 bool privacy;
310 } probe_auth;
311 struct {
312 struct cfg80211_bss *bss;
313 const u8 *supp_rates;
314 const u8 *ht_information_ie;
315 enum ieee80211_smps_mode smps;
316 int tries;
317 u16 capability;
318 u8 prev_bssid[ETH_ALEN];
319 u8 ssid[IEEE80211_MAX_SSID_LEN];
320 u8 ssid_len;
321 u8 supp_rates_len;
322 bool wmm_used, use_11n, uapsd_used;
323 } assoc;
324 struct {
325 u32 duration;
326 } remain;
327 struct {
328 struct sk_buff *frame;
329 u32 wait;
330 } offchan_tx;
331 };
332
333 int ie_len;
334
335 u8 ie[0];
336};
337
338
339enum ieee80211_sta_flags {
340 IEEE80211_STA_BEACON_POLL = BIT(0),
341 IEEE80211_STA_CONNECTION_POLL = BIT(1),
342 IEEE80211_STA_CONTROL_PORT = BIT(2),
343 IEEE80211_STA_DISABLE_11N = BIT(4),
344 IEEE80211_STA_CSA_RECEIVED = BIT(5),
345 IEEE80211_STA_MFP_ENABLED = BIT(6),
346 IEEE80211_STA_UAPSD_ENABLED = BIT(7),
347 IEEE80211_STA_NULLFUNC_ACKED = BIT(8),
348 IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9),
349};
350
351struct ieee80211_if_managed {
352 struct timer_list timer;
353 struct timer_list conn_mon_timer;
354 struct timer_list bcn_mon_timer;
355 struct timer_list chswitch_timer;
356 struct work_struct monitor_work;
357 struct work_struct chswitch_work;
358 struct work_struct beacon_connection_loss_work;
359
360 unsigned long beacon_timeout;
361 unsigned long probe_timeout;
362 int probe_send_count;
363 bool nullfunc_failed;
364
365 struct mutex mtx;
366 struct cfg80211_bss *associated;
367
368 u8 bssid[ETH_ALEN];
369
370 u16 aid;
371
372 unsigned long timers_running;
373 bool powersave;
374 enum ieee80211_smps_mode req_smps,
375 ap_smps,
376 driver_smps_mode;
377
378 struct work_struct request_smps_work;
379
380 unsigned int flags;
381
382 bool beacon_crc_valid;
383 u32 beacon_crc;
384
385 enum {
386 IEEE80211_MFP_DISABLED,
387 IEEE80211_MFP_OPTIONAL,
388 IEEE80211_MFP_REQUIRED
389 } mfp;
390
391 int wmm_last_param_set;
392
393 u8 use_4addr;
394
395
396 int last_beacon_signal;
397
398
399
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401
402
403
404 int ave_beacon_signal;
405
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409
410
411 unsigned int count_beacon_signal;
412
413
414
415
416
417
418 int last_cqm_event_signal;
419};
420
421struct ieee80211_if_ibss {
422 struct timer_list timer;
423
424 struct mutex mtx;
425
426 unsigned long last_scan_completed;
427
428 u32 basic_rates;
429
430 bool timer_running;
431
432 bool fixed_bssid;
433 bool fixed_channel;
434 bool privacy;
435
436 u8 bssid[ETH_ALEN];
437 u8 ssid[IEEE80211_MAX_SSID_LEN];
438 u8 ssid_len, ie_len;
439 u8 *ie;
440 struct ieee80211_channel *channel;
441
442 unsigned long ibss_join_req;
443
444 struct sk_buff *presp, *skb;
445
446 enum {
447 IEEE80211_IBSS_MLME_SEARCH,
448 IEEE80211_IBSS_MLME_JOINED,
449 } state;
450};
451
452struct ieee80211_if_mesh {
453 struct timer_list housekeeping_timer;
454 struct timer_list mesh_path_timer;
455 struct timer_list mesh_path_root_timer;
456
457 unsigned long timers_running;
458
459 unsigned long wrkq_flags;
460
461 u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN];
462 size_t mesh_id_len;
463
464 u8 mesh_pp_id;
465
466 u8 mesh_pm_id;
467
468 u8 mesh_cc_id;
469
470 u8 mesh_sp_id;
471
472 u8 mesh_auth_id;
473
474 u32 sn;
475
476 u32 preq_id;
477 atomic_t mpaths;
478
479 unsigned long last_sn_update;
480
481 unsigned long last_preq;
482 struct mesh_rmc *rmc;
483 spinlock_t mesh_preq_queue_lock;
484 struct mesh_preq_queue preq_queue;
485 int preq_queue_len;
486 struct mesh_stats mshstats;
487 struct mesh_config mshcfg;
488 u32 mesh_seqnum;
489 bool accepting_plinks;
490 const u8 *vendor_ie;
491 u8 vendor_ie_len;
492};
493
494#ifdef CONFIG_MAC80211_MESH
495#define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \
496 do { (msh)->mshstats.name++; } while (0)
497#else
498#define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \
499 do { } while (0)
500#endif
501
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510
511
512enum ieee80211_sub_if_data_flags {
513 IEEE80211_SDATA_ALLMULTI = BIT(0),
514 IEEE80211_SDATA_PROMISC = BIT(1),
515 IEEE80211_SDATA_OPERATING_GMODE = BIT(2),
516 IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3),
517};
518
519
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525
526
527enum ieee80211_sdata_state_bits {
528 SDATA_STATE_RUNNING,
529 SDATA_STATE_OFFCHANNEL,
530};
531
532struct ieee80211_sub_if_data {
533 struct list_head list;
534
535 struct wireless_dev wdev;
536
537
538 struct list_head key_list;
539
540 struct net_device *dev;
541 struct ieee80211_local *local;
542
543 unsigned int flags;
544
545 unsigned long state;
546
547 int drop_unencrypted;
548
549 char name[IFNAMSIZ];
550
551
552
553
554
555 bool ht_opmode_valid;
556
557
558 bool old_idle;
559
560
561 struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX];
562 unsigned int fragment_next;
563
564 struct ieee80211_key *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS];
565 struct ieee80211_key *default_unicast_key, *default_multicast_key;
566 struct ieee80211_key *default_mgmt_key;
567
568 u16 sequence_number;
569 __be16 control_port_protocol;
570 bool control_port_no_encrypt;
571
572 struct work_struct work;
573 struct sk_buff_head skb_queue;
574
575 bool arp_filter_state;
576
577
578
579
580
581
582 struct ieee80211_if_ap *bss;
583
584
585 u32 rc_rateidx_mask[IEEE80211_NUM_BANDS];
586
587 union {
588 struct ieee80211_if_ap ap;
589 struct ieee80211_if_wds wds;
590 struct ieee80211_if_vlan vlan;
591 struct ieee80211_if_managed mgd;
592 struct ieee80211_if_ibss ibss;
593 struct ieee80211_if_mesh mesh;
594 u32 mntr_flags;
595 } u;
596
597#ifdef CONFIG_MAC80211_DEBUGFS
598 struct {
599 struct dentry *dir;
600 struct dentry *subdir_stations;
601 struct dentry *default_unicast_key;
602 struct dentry *default_multicast_key;
603 struct dentry *default_mgmt_key;
604 } debugfs;
605#endif
606
607 struct ieee80211_vif vif;
608};
609
610static inline
611struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p)
612{
613 return container_of(p, struct ieee80211_sub_if_data, vif);
614}
615
616enum sdata_queue_type {
617 IEEE80211_SDATA_QUEUE_TYPE_FRAME = 0,
618 IEEE80211_SDATA_QUEUE_AGG_START = 1,
619 IEEE80211_SDATA_QUEUE_AGG_STOP = 2,
620};
621
622enum {
623 IEEE80211_RX_MSG = 1,
624 IEEE80211_TX_STATUS_MSG = 2,
625};
626
627enum queue_stop_reason {
628 IEEE80211_QUEUE_STOP_REASON_DRIVER,
629 IEEE80211_QUEUE_STOP_REASON_PS,
630 IEEE80211_QUEUE_STOP_REASON_CSA,
631 IEEE80211_QUEUE_STOP_REASON_AGGREGATION,
632 IEEE80211_QUEUE_STOP_REASON_SUSPEND,
633 IEEE80211_QUEUE_STOP_REASON_SKB_ADD,
634};
635
636#ifdef CONFIG_MAC80211_LEDS
637struct tpt_led_trigger {
638 struct led_trigger trig;
639 char name[32];
640 const struct ieee80211_tpt_blink *blink_table;
641 unsigned int blink_table_len;
642 struct timer_list timer;
643 unsigned long prev_traffic;
644 unsigned long tx_bytes, rx_bytes;
645 unsigned int active, want;
646 bool running;
647};
648#endif
649
650
651
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662
663
664enum {
665 SCAN_SW_SCANNING,
666 SCAN_HW_SCANNING,
667 SCAN_OFF_CHANNEL,
668 SCAN_COMPLETED,
669 SCAN_ABORTED,
670};
671
672
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681
682
683
684
685enum mac80211_scan_state {
686 SCAN_DECISION,
687 SCAN_SET_CHANNEL,
688 SCAN_SEND_PROBE,
689 SCAN_LEAVE_OPER_CHANNEL,
690 SCAN_ENTER_OPER_CHANNEL,
691};
692
693struct ieee80211_local {
694
695
696
697 struct ieee80211_hw hw;
698
699 const struct ieee80211_ops *ops;
700
701
702
703
704 struct list_head work_list;
705 struct timer_list work_timer;
706 struct work_struct work_work;
707 struct sk_buff_head work_skb_queue;
708
709
710
711
712
713 struct workqueue_struct *workqueue;
714
715 unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES];
716
717 spinlock_t queue_stop_reason_lock;
718
719 int open_count;
720 int monitors, cooked_mntrs;
721
722 int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll,
723 fif_probe_req;
724 int probe_req_reg;
725 unsigned int filter_flags;
726
727 bool wiphy_ciphers_allocated;
728
729
730 spinlock_t filter_lock;
731
732
733 struct work_struct reconfig_filter;
734
735
736 struct work_struct recalc_smps;
737
738
739 struct netdev_hw_addr_list mc_list;
740
741 bool tim_in_locked_section;
742
743
744
745
746
747
748
749 bool suspended;
750
751
752
753
754
755
756
757 bool resuming;
758
759
760
761
762
763 bool quiescing;
764
765
766 bool started;
767
768 int tx_headroom;
769
770
771
772
773
774#define IEEE80211_IRQSAFE_QUEUE_LIMIT 128
775 struct tasklet_struct tasklet;
776 struct sk_buff_head skb_queue;
777 struct sk_buff_head skb_queue_unreliable;
778
779
780
781
782
783
784
785 struct sk_buff_head rx_skb_queue;
786 bool running_rx_handler;
787
788
789
790
791
792
793
794
795 struct mutex sta_mtx;
796 spinlock_t sta_lock;
797 unsigned long num_sta;
798 struct list_head sta_list, sta_pending_list;
799 struct sta_info *sta_hash[STA_HASH_SIZE];
800 struct timer_list sta_cleanup;
801 struct work_struct sta_finish_work;
802 int sta_generation;
803
804 struct sk_buff_head pending[IEEE80211_MAX_QUEUES];
805 struct tasklet_struct tx_pending_tasklet;
806
807 atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES];
808
809
810 atomic_t iff_allmultis, iff_promiscs;
811
812 struct rate_control_ref *rate_ctrl;
813
814 struct crypto_blkcipher *wep_tx_tfm;
815 struct crypto_blkcipher *wep_rx_tfm;
816 u32 wep_iv;
817
818
819 struct list_head interfaces;
820 struct mutex iflist_mtx;
821
822
823
824
825
826 struct mutex key_mtx;
827
828
829 struct mutex mtx;
830
831
832 unsigned long scanning;
833 struct cfg80211_ssid scan_ssid;
834 struct cfg80211_scan_request *int_scan_req;
835 struct cfg80211_scan_request *scan_req, *hw_scan_req;
836 struct ieee80211_channel *scan_channel;
837 enum ieee80211_band hw_scan_band;
838 int scan_channel_idx;
839 int scan_ies_len;
840
841 unsigned long leave_oper_channel_time;
842 enum mac80211_scan_state next_scan_state;
843 struct delayed_work scan_work;
844 struct ieee80211_sub_if_data *scan_sdata;
845 enum nl80211_channel_type _oper_channel_type;
846 struct ieee80211_channel *oper_channel, *csa_channel;
847
848
849 struct ieee80211_channel *tmp_channel;
850 enum nl80211_channel_type tmp_channel_type;
851
852
853
854 u32 dot11TransmittedFragmentCount;
855 u32 dot11MulticastTransmittedFrameCount;
856 u32 dot11FailedCount;
857 u32 dot11RetryCount;
858 u32 dot11MultipleRetryCount;
859 u32 dot11FrameDuplicateCount;
860 u32 dot11ReceivedFragmentCount;
861 u32 dot11MulticastReceivedFrameCount;
862 u32 dot11TransmittedFrameCount;
863
864#ifdef CONFIG_MAC80211_LEDS
865 int tx_led_counter, rx_led_counter;
866 struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led;
867 struct tpt_led_trigger *tpt_led_trigger;
868 char tx_led_name[32], rx_led_name[32],
869 assoc_led_name[32], radio_led_name[32];
870#endif
871
872#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
873
874 unsigned int tx_handlers_drop;
875 unsigned int tx_handlers_queued;
876 unsigned int tx_handlers_drop_unencrypted;
877 unsigned int tx_handlers_drop_fragment;
878 unsigned int tx_handlers_drop_wep;
879 unsigned int tx_handlers_drop_not_assoc;
880 unsigned int tx_handlers_drop_unauth_port;
881 unsigned int rx_handlers_drop;
882 unsigned int rx_handlers_queued;
883 unsigned int rx_handlers_drop_nullfunc;
884 unsigned int rx_handlers_drop_defrag;
885 unsigned int rx_handlers_drop_short;
886 unsigned int rx_handlers_drop_passive_scan;
887 unsigned int tx_expand_skb_head;
888 unsigned int tx_expand_skb_head_cloned;
889 unsigned int rx_expand_skb_head;
890 unsigned int rx_expand_skb_head2;
891 unsigned int rx_handlers_fragments;
892 unsigned int tx_status_drop;
893#define I802_DEBUG_INC(c) (c)++
894#else
895#define I802_DEBUG_INC(c) do { } while (0)
896#endif
897
898
899 int total_ps_buffered;
900
901
902 int wifi_wme_noack_test;
903 unsigned int wmm_acm;
904
905
906
907
908
909
910 unsigned int uapsd_queues;
911
912
913
914
915
916
917 unsigned int uapsd_max_sp_len;
918
919 bool pspolling;
920 bool offchannel_ps_enabled;
921
922
923
924
925 struct ieee80211_sub_if_data *ps_sdata;
926 struct work_struct dynamic_ps_enable_work;
927 struct work_struct dynamic_ps_disable_work;
928 struct timer_list dynamic_ps_timer;
929 struct notifier_block network_latency_notifier;
930 struct notifier_block ifa_notifier;
931
932
933
934
935
936 int dynamic_ps_forced_timeout;
937 int dynamic_ps_user_timeout;
938 bool disable_dynamic_ps;
939
940 int user_power_level;
941 int power_constr_level;
942
943 enum ieee80211_smps_mode smps_mode;
944
945 struct work_struct restart_work;
946
947#ifdef CONFIG_MAC80211_DEBUGFS
948 struct local_debugfsdentries {
949 struct dentry *rcdir;
950 struct dentry *keys;
951 } debugfs;
952#endif
953
954 struct ieee80211_channel *hw_roc_channel;
955 struct net_device *hw_roc_dev;
956 struct sk_buff *hw_roc_skb, *hw_roc_skb_for_status;
957 struct work_struct hw_roc_start, hw_roc_done;
958 enum nl80211_channel_type hw_roc_channel_type;
959 unsigned int hw_roc_duration;
960 u32 hw_roc_cookie;
961 bool hw_roc_for_tx;
962
963
964 struct net_device napi_dev;
965
966 struct napi_struct napi;
967};
968
969static inline struct ieee80211_sub_if_data *
970IEEE80211_DEV_TO_SUB_IF(struct net_device *dev)
971{
972 return netdev_priv(dev);
973}
974
975
976struct ieee80211_ra_tid {
977 u8 ra[ETH_ALEN];
978 u16 tid;
979};
980
981
982struct ieee802_11_elems {
983 u8 *ie_start;
984 size_t total_len;
985
986
987 u8 *ssid;
988 u8 *supp_rates;
989 u8 *fh_params;
990 u8 *ds_params;
991 u8 *cf_params;
992 struct ieee80211_tim_ie *tim;
993 u8 *ibss_params;
994 u8 *challenge;
995 u8 *wpa;
996 u8 *rsn;
997 u8 *erp_info;
998 u8 *ext_supp_rates;
999 u8 *wmm_info;
1000 u8 *wmm_param;
1001 struct ieee80211_ht_cap *ht_cap_elem;
1002 struct ieee80211_ht_info *ht_info_elem;
1003 struct ieee80211_meshconf_ie *mesh_config;
1004 u8 *mesh_id;
1005 u8 *peer_link;
1006 u8 *preq;
1007 u8 *prep;
1008 u8 *perr;
1009 struct ieee80211_rann_ie *rann;
1010 u8 *ch_switch_elem;
1011 u8 *country_elem;
1012 u8 *pwr_constr_elem;
1013 u8 *quiet_elem;
1014 u8 *timeout_int;
1015
1016
1017 u8 ssid_len;
1018 u8 supp_rates_len;
1019 u8 fh_params_len;
1020 u8 ds_params_len;
1021 u8 cf_params_len;
1022 u8 tim_len;
1023 u8 ibss_params_len;
1024 u8 challenge_len;
1025 u8 wpa_len;
1026 u8 rsn_len;
1027 u8 erp_info_len;
1028 u8 ext_supp_rates_len;
1029 u8 wmm_info_len;
1030 u8 wmm_param_len;
1031 u8 mesh_id_len;
1032 u8 peer_link_len;
1033 u8 preq_len;
1034 u8 prep_len;
1035 u8 perr_len;
1036 u8 ch_switch_elem_len;
1037 u8 country_elem_len;
1038 u8 pwr_constr_elem_len;
1039 u8 quiet_elem_len;
1040 u8 num_of_quiet_elem;
1041 u8 timeout_int_len;
1042};
1043
1044static inline struct ieee80211_local *hw_to_local(
1045 struct ieee80211_hw *hw)
1046{
1047 return container_of(hw, struct ieee80211_local, hw);
1048}
1049
1050static inline struct ieee80211_hw *local_to_hw(
1051 struct ieee80211_local *local)
1052{
1053 return &local->hw;
1054}
1055
1056
1057static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr)
1058{
1059 return compare_ether_addr(raddr, addr) == 0 ||
1060 is_broadcast_ether_addr(raddr);
1061}
1062
1063
1064int ieee80211_hw_config(struct ieee80211_local *local, u32 changed);
1065void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx);
1066void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
1067 u32 changed);
1068void ieee80211_configure_filter(struct ieee80211_local *local);
1069u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata);
1070
1071extern bool ieee80211_disable_40mhz_24ghz;
1072
1073
1074void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata);
1075int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
1076 struct cfg80211_auth_request *req);
1077int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
1078 struct cfg80211_assoc_request *req);
1079int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
1080 struct cfg80211_deauth_request *req,
1081 void *cookie);
1082int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata,
1083 struct cfg80211_disassoc_request *req,
1084 void *cookie);
1085void ieee80211_send_pspoll(struct ieee80211_local *local,
1086 struct ieee80211_sub_if_data *sdata);
1087void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency);
1088int ieee80211_max_network_latency(struct notifier_block *nb,
1089 unsigned long data, void *dummy);
1090int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata);
1091void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
1092 struct ieee80211_channel_sw_ie *sw_elem,
1093 struct ieee80211_bss *bss,
1094 u64 timestamp);
1095void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata);
1096void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata);
1097void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata);
1098void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
1099 struct sk_buff *skb);
1100void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata);
1101void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata);
1102
1103
1104void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local);
1105void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata);
1106struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
1107 u8 *bssid, u8 *addr, u32 supp_rates,
1108 gfp_t gfp);
1109int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
1110 struct cfg80211_ibss_params *params);
1111int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata);
1112void ieee80211_ibss_quiesce(struct ieee80211_sub_if_data *sdata);
1113void ieee80211_ibss_restart(struct ieee80211_sub_if_data *sdata);
1114void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata);
1115void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
1116 struct sk_buff *skb);
1117
1118
1119void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata);
1120void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
1121 struct sk_buff *skb);
1122
1123
1124void ieee80211_scan_work(struct work_struct *work);
1125int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata,
1126 const u8 *ssid, u8 ssid_len,
1127 struct ieee80211_channel *chan);
1128int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata,
1129 struct cfg80211_scan_request *req);
1130void ieee80211_scan_cancel(struct ieee80211_local *local);
1131ieee80211_rx_result
1132ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb);
1133
1134void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local);
1135struct ieee80211_bss *
1136ieee80211_bss_info_update(struct ieee80211_local *local,
1137 struct ieee80211_rx_status *rx_status,
1138 struct ieee80211_mgmt *mgmt,
1139 size_t len,
1140 struct ieee802_11_elems *elems,
1141 struct ieee80211_channel *channel,
1142 bool beacon);
1143struct ieee80211_bss *
1144ieee80211_rx_bss_get(struct ieee80211_local *local, u8 *bssid, int freq,
1145 u8 *ssid, u8 ssid_len);
1146void ieee80211_rx_bss_put(struct ieee80211_local *local,
1147 struct ieee80211_bss *bss);
1148
1149
1150void ieee80211_offchannel_stop_beaconing(struct ieee80211_local *local);
1151void ieee80211_offchannel_stop_station(struct ieee80211_local *local);
1152void ieee80211_offchannel_return(struct ieee80211_local *local,
1153 bool enable_beaconing);
1154void ieee80211_hw_roc_setup(struct ieee80211_local *local);
1155
1156
1157int ieee80211_iface_init(void);
1158void ieee80211_iface_exit(void);
1159int ieee80211_if_add(struct ieee80211_local *local, const char *name,
1160 struct net_device **new_dev, enum nl80211_iftype type,
1161 struct vif_params *params);
1162int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata,
1163 enum nl80211_iftype type);
1164void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata);
1165void ieee80211_remove_interfaces(struct ieee80211_local *local);
1166u32 __ieee80211_recalc_idle(struct ieee80211_local *local);
1167void ieee80211_recalc_idle(struct ieee80211_local *local);
1168void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata,
1169 const int offset);
1170
1171static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata)
1172{
1173 return test_bit(SDATA_STATE_RUNNING, &sdata->state);
1174}
1175
1176
1177void ieee80211_clear_tx_pending(struct ieee80211_local *local);
1178void ieee80211_tx_pending(unsigned long data);
1179netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb,
1180 struct net_device *dev);
1181netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
1182 struct net_device *dev);
1183
1184
1185
1186
1187struct ieee80211_tx_status_rtap_hdr {
1188 struct ieee80211_radiotap_header hdr;
1189 u8 rate;
1190 u8 padding_for_rate;
1191 __le16 tx_flags;
1192 u8 data_retries;
1193} __packed;
1194
1195
1196
1197void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_supported_band *sband,
1198 struct ieee80211_ht_cap *ht_cap_ie,
1199 struct ieee80211_sta_ht_cap *ht_cap);
1200void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u16 ssn);
1201void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata,
1202 const u8 *da, u16 tid,
1203 u16 initiator, u16 reason_code);
1204int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata,
1205 enum ieee80211_smps_mode smps, const u8 *da,
1206 const u8 *bssid);
1207void ieee80211_request_smps_work(struct work_struct *work);
1208
1209void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
1210 u16 initiator, u16 reason, bool stop);
1211void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
1212 u16 initiator, u16 reason, bool stop);
1213void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, bool tx);
1214void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata,
1215 struct sta_info *sta,
1216 struct ieee80211_mgmt *mgmt, size_t len);
1217void ieee80211_process_addba_resp(struct ieee80211_local *local,
1218 struct sta_info *sta,
1219 struct ieee80211_mgmt *mgmt,
1220 size_t len);
1221void ieee80211_process_addba_request(struct ieee80211_local *local,
1222 struct sta_info *sta,
1223 struct ieee80211_mgmt *mgmt,
1224 size_t len);
1225
1226int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
1227 enum ieee80211_back_parties initiator,
1228 bool tx);
1229int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
1230 enum ieee80211_back_parties initiator,
1231 bool tx);
1232void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid);
1233void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid);
1234void ieee80211_ba_session_work(struct work_struct *work);
1235void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid);
1236void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid);
1237
1238
1239void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata,
1240 struct ieee80211_mgmt *mgmt,
1241 size_t len);
1242
1243
1244int ieee80211_reconfig(struct ieee80211_local *local);
1245void ieee80211_stop_device(struct ieee80211_local *local);
1246
1247#ifdef CONFIG_PM
1248int __ieee80211_suspend(struct ieee80211_hw *hw);
1249
1250static inline int __ieee80211_resume(struct ieee80211_hw *hw)
1251{
1252 struct ieee80211_local *local = hw_to_local(hw);
1253
1254 WARN(test_bit(SCAN_HW_SCANNING, &local->scanning),
1255 "%s: resume with hardware scan still in progress\n",
1256 wiphy_name(hw->wiphy));
1257
1258 return ieee80211_reconfig(hw_to_local(hw));
1259}
1260#else
1261static inline int __ieee80211_suspend(struct ieee80211_hw *hw)
1262{
1263 return 0;
1264}
1265
1266static inline int __ieee80211_resume(struct ieee80211_hw *hw)
1267{
1268 return 0;
1269}
1270#endif
1271
1272
1273extern void *mac80211_wiphy_privid;
1274u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len,
1275 enum nl80211_iftype type);
1276int ieee80211_frame_duration(struct ieee80211_local *local, size_t len,
1277 int rate, int erp, int short_preamble);
1278void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx,
1279 struct ieee80211_hdr *hdr, const u8 *tsc,
1280 gfp_t gfp);
1281void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata);
1282void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb);
1283void ieee802_11_parse_elems(u8 *start, size_t len,
1284 struct ieee802_11_elems *elems);
1285u32 ieee802_11_parse_elems_crc(u8 *start, size_t len,
1286 struct ieee802_11_elems *elems,
1287 u64 filter, u32 crc);
1288u32 ieee80211_mandatory_rates(struct ieee80211_local *local,
1289 enum ieee80211_band band);
1290
1291void ieee80211_dynamic_ps_enable_work(struct work_struct *work);
1292void ieee80211_dynamic_ps_disable_work(struct work_struct *work);
1293void ieee80211_dynamic_ps_timer(unsigned long data);
1294void ieee80211_send_nullfunc(struct ieee80211_local *local,
1295 struct ieee80211_sub_if_data *sdata,
1296 int powersave);
1297void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata,
1298 struct ieee80211_hdr *hdr);
1299void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata,
1300 struct ieee80211_hdr *hdr, bool ack);
1301void ieee80211_beacon_connection_loss_work(struct work_struct *work);
1302
1303void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw,
1304 enum queue_stop_reason reason);
1305void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw,
1306 enum queue_stop_reason reason);
1307void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue,
1308 enum queue_stop_reason reason);
1309void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue,
1310 enum queue_stop_reason reason);
1311void ieee80211_add_pending_skb(struct ieee80211_local *local,
1312 struct sk_buff *skb);
1313int ieee80211_add_pending_skbs(struct ieee80211_local *local,
1314 struct sk_buff_head *skbs);
1315int ieee80211_add_pending_skbs_fn(struct ieee80211_local *local,
1316 struct sk_buff_head *skbs,
1317 void (*fn)(void *data), void *data);
1318
1319void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
1320 u16 transaction, u16 auth_alg,
1321 u8 *extra, size_t extra_len, const u8 *bssid,
1322 const u8 *key, u8 key_len, u8 key_idx);
1323int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
1324 const u8 *ie, size_t ie_len,
1325 enum ieee80211_band band, u32 rate_mask,
1326 u8 channel);
1327struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
1328 u8 *dst,
1329 const u8 *ssid, size_t ssid_len,
1330 const u8 *ie, size_t ie_len);
1331void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
1332 const u8 *ssid, size_t ssid_len,
1333 const u8 *ie, size_t ie_len);
1334
1335void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata,
1336 const size_t supp_rates_len,
1337 const u8 *supp_rates);
1338u32 ieee80211_sta_get_rates(struct ieee80211_local *local,
1339 struct ieee802_11_elems *elems,
1340 enum ieee80211_band band);
1341int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
1342 enum ieee80211_smps_mode smps_mode);
1343void ieee80211_recalc_smps(struct ieee80211_local *local);
1344
1345size_t ieee80211_ie_split(const u8 *ies, size_t ielen,
1346 const u8 *ids, int n_ids, size_t offset);
1347size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset);
1348
1349
1350void ieee80211_work_init(struct ieee80211_local *local);
1351void ieee80211_add_work(struct ieee80211_work *wk);
1352void free_work(struct ieee80211_work *wk);
1353void ieee80211_work_purge(struct ieee80211_sub_if_data *sdata);
1354ieee80211_rx_result ieee80211_work_rx_mgmt(struct ieee80211_sub_if_data *sdata,
1355 struct sk_buff *skb);
1356int ieee80211_wk_remain_on_channel(struct ieee80211_sub_if_data *sdata,
1357 struct ieee80211_channel *chan,
1358 enum nl80211_channel_type channel_type,
1359 unsigned int duration, u64 *cookie);
1360int ieee80211_wk_cancel_remain_on_channel(
1361 struct ieee80211_sub_if_data *sdata, u64 cookie);
1362
1363
1364enum ieee80211_chan_mode {
1365 CHAN_MODE_UNDEFINED,
1366 CHAN_MODE_HOPPING,
1367 CHAN_MODE_FIXED,
1368};
1369
1370enum ieee80211_chan_mode
1371ieee80211_get_channel_mode(struct ieee80211_local *local,
1372 struct ieee80211_sub_if_data *ignore);
1373bool ieee80211_set_channel_type(struct ieee80211_local *local,
1374 struct ieee80211_sub_if_data *sdata,
1375 enum nl80211_channel_type chantype);
1376
1377#ifdef CONFIG_MAC80211_NOINLINE
1378#define debug_noinline noinline
1379#else
1380#define debug_noinline
1381#endif
1382
1383#endif
1384