summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/mwifiex/main.h
blob: 43ff149de9db969577f9f8a163ed1f23cf25a62b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
/*
 * Marvell Wireless LAN device driver: major data structures and prototypes
 *
 * Copyright (C) 2011, Marvell International Ltd.
 *
 * This software file (the "File") is distributed by Marvell International
 * Ltd. under the terms of the GNU General Public License Version 2, June 1991
 * (the "License").  You may use, redistribute and/or modify this File in
 * accordance with the terms and conditions of the License, a copy of which
 * is available by writing to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
 *
 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
 * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
 * this warranty disclaimer.
 */

#ifndef _MWIFIEX_MAIN_H_
#define _MWIFIEX_MAIN_H_

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/sched.h>
#include <linux/semaphore.h>
#include <linux/ip.h>
#include <linux/skbuff.h>
#include <linux/if_arp.h>
#include <linux/etherdevice.h>
#include <net/sock.h>
#include <net/lib80211.h>
#include <linux/firmware.h>
#include <linux/ctype.h>

#include "decl.h"
#include "ioctl.h"
#include "util.h"
#include "fw.h"

extern const char driver_version[];
extern struct mwifiex_adapter *g_adapter;

enum {
	MWIFIEX_NO_WAIT,
	MWIFIEX_IOCTL_WAIT,
	MWIFIEX_CMD_WAIT,
	MWIFIEX_PROC_WAIT,
	MWIFIEX_WSTATS_WAIT
};

#define DRV_MODE_STA       0x1

#define SD8787_W0   0x30
#define SD8787_W1   0x31
#define SD8787_A0   0x40
#define SD8787_A1   0x41

#define DEFAULT_FW_NAME "mrvl/sd8787_uapsta.bin"
#define SD8787_W1_FW_NAME "mrvl/sd8787_uapsta_w1.bin"
#define SD8787_AX_FW_NAME "mrvl/sd8787_uapsta.bin"

struct mwifiex_drv_mode {
	u16 drv_mode;
	u16 intf_num;
	struct mwifiex_bss_attr *bss_attr;
};


#define MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT	(5 * HZ)

#define MWIFIEX_TIMER_10S			10000
#define MWIFIEX_TIMER_1S			1000

#define MAX_TX_PENDING      60

#define MWIFIEX_UPLD_SIZE               (2312)

#define MAX_EVENT_SIZE                  1024

#define ARP_FILTER_MAX_BUF_SIZE         68

#define MWIFIEX_KEY_BUFFER_SIZE			16
#define MWIFIEX_DEFAULT_LISTEN_INTERVAL 10
#define MWIFIEX_MAX_REGION_CODE         7

#define DEFAULT_BCN_AVG_FACTOR          8
#define DEFAULT_DATA_AVG_FACTOR         8

#define FIRST_VALID_CHANNEL				0xff
#define DEFAULT_AD_HOC_CHANNEL			6
#define DEFAULT_AD_HOC_CHANNEL_A		36

#define DEFAULT_BCN_MISS_TIMEOUT		5

#define MAX_SCAN_BEACON_BUFFER			8000

#define SCAN_BEACON_ENTRY_PAD			6

#define MWIFIEX_PASSIVE_SCAN_CHAN_TIME	200
#define MWIFIEX_ACTIVE_SCAN_CHAN_TIME	200
#define MWIFIEX_SPECIFIC_SCAN_CHAN_TIME	110

#define SCAN_RSSI(RSSI)					(0x100 - ((u8)(RSSI)))

#define MWIFIEX_MAX_TOTAL_SCAN_TIME	(MWIFIEX_TIMER_10S - MWIFIEX_TIMER_1S)

#define RSN_GTK_OUI_OFFSET				2

#define MWIFIEX_OUI_NOT_PRESENT			0
#define MWIFIEX_OUI_PRESENT				1

#define IS_CARD_RX_RCVD(adapter) (adapter->cmd_resp_received || \
					adapter->event_received || \
					adapter->data_received)

#define MWIFIEX_TYPE_CMD				1
#define MWIFIEX_TYPE_DATA				0
#define MWIFIEX_TYPE_EVENT				3

#define DBG_CMD_NUM						5

#define MAX_BITMAP_RATES_SIZE			10

#define MAX_CHANNEL_BAND_BG     14

#define MAX_FREQUENCY_BAND_BG   2484

struct mwifiex_dbg {
	u32 num_cmd_host_to_card_failure;
	u32 num_cmd_sleep_cfm_host_to_card_failure;
	u32 num_tx_host_to_card_failure;
	u32 num_event_deauth;
	u32 num_event_disassoc;
	u32 num_event_link_lost;
	u32 num_cmd_deauth;
	u32 num_cmd_assoc_success;
	u32 num_cmd_assoc_failure;
	u32 num_tx_timeout;
	u32 num_cmd_timeout;
	u16 timeout_cmd_id;
	u16 timeout_cmd_act;
	u16 last_cmd_id[DBG_CMD_NUM];
	u16 last_cmd_act[DBG_CMD_NUM];
	u16 last_cmd_index;
	u16 last_cmd_resp_id[DBG_CMD_NUM];
	u16 last_cmd_resp_index;
	u16 last_event[DBG_CMD_NUM];
	u16 last_event_index;
};

enum MWIFIEX_HARDWARE_STATUS {
	MWIFIEX_HW_STATUS_READY,
	MWIFIEX_HW_STATUS_INITIALIZING,
	MWIFIEX_HW_STATUS_FW_READY,
	MWIFIEX_HW_STATUS_INIT_DONE,
	MWIFIEX_HW_STATUS_RESET,
	MWIFIEX_HW_STATUS_CLOSING,
	MWIFIEX_HW_STATUS_NOT_READY
};

enum MWIFIEX_802_11_POWER_MODE {
	MWIFIEX_802_11_POWER_MODE_CAM,
	MWIFIEX_802_11_POWER_MODE_PSP
};

struct mwifiex_tx_param {
	u32 next_pkt_len;
};

enum MWIFIEX_PS_STATE {
	PS_STATE_AWAKE,
	PS_STATE_PRE_SLEEP,
	PS_STATE_SLEEP_CFM,
	PS_STATE_SLEEP
};

struct mwifiex_add_ba_param {
	u32 tx_win_size;
	u32 rx_win_size;
	u32 timeout;
};

struct mwifiex_tx_aggr {
	u8 ampdu_user;
	u8 ampdu_ap;
	u8 amsdu;
};

struct mwifiex_ra_list_tbl {
	struct list_head list;
	struct sk_buff_head skb_head;
	u8 ra[ETH_ALEN];
	u32 total_pkts_size;
	u32 is_11n_enabled;
};

struct mwifiex_tid_tbl {
	struct list_head ra_list;
	/* spin lock for tid table */
	spinlock_t tid_tbl_lock;
	struct mwifiex_ra_list_tbl *ra_list_curr;
};

#define WMM_HIGHEST_PRIORITY		7
#define HIGH_PRIO_TID				7
#define LOW_PRIO_TID				0

struct mwifiex_wmm_desc {
	struct mwifiex_tid_tbl tid_tbl_ptr[MAX_NUM_TID];
	u32 packets_out[MAX_NUM_TID];
	/* spin lock to protect ra_list */
	spinlock_t ra_list_spinlock;
	struct mwifiex_wmm_ac_status ac_status[IEEE80211_MAX_QUEUES];
	enum mwifiex_wmm_ac_e ac_down_graded_vals[IEEE80211_MAX_QUEUES];
	u32 drv_pkt_delay_max;
	u8 queue_priority[IEEE80211_MAX_QUEUES];
	u32 user_pri_pkt_tx_ctrl[WMM_HIGHEST_PRIORITY + 1];	/* UP: 0 to 7 */

};

struct mwifiex_802_11_security {
	u8 wpa_enabled;
	u8 wpa2_enabled;
	u8 wapi_enabled;
	u8 wapi_key_on;
	enum MWIFIEX_802_11_WEP_STATUS wep_status;
	u32 authentication_mode;
	u32 encryption_mode;
};

struct ieee_types_header {
	u8 element_id;
	u8 len;
} __packed;

struct ieee_obss_scan_param {
	u16 obss_scan_passive_dwell;
	u16 obss_scan_active_dwell;
	u16 bss_chan_width_trigger_scan_int;
	u16 obss_scan_passive_total;
	u16 obss_scan_active_total;
	u16 bss_width_chan_trans_delay;
	u16 obss_scan_active_threshold;
} __packed;

struct ieee_types_obss_scan_param {
	struct ieee_types_header ieee_hdr;
	struct ieee_obss_scan_param obss_scan;
} __packed;

#define MWIFIEX_SUPPORTED_RATES                 14

#define MWIFIEX_SUPPORTED_RATES_EXT             32

#define IEEE_MAX_IE_SIZE			256

struct ieee_types_vendor_specific {
	struct ieee_types_vendor_header vend_hdr;
	u8 data[IEEE_MAX_IE_SIZE - sizeof(struct ieee_types_vendor_header)];
} __packed;

struct ieee_types_generic {
	struct ieee_types_header ieee_hdr;
	u8 data[IEEE_MAX_IE_SIZE - sizeof(struct ieee_types_header)];
} __packed;

struct mwifiex_bssdescriptor {
	u8 mac_address[ETH_ALEN];
	struct mwifiex_802_11_ssid ssid;
	u32 privacy;
	s32 rssi;
	u32 channel;
	u32 freq;
	u16 beacon_period;
	u8 erp_flags;
	u32 bss_mode;
	u8 supported_rates[MWIFIEX_SUPPORTED_RATES];
	u8 data_rates[MWIFIEX_SUPPORTED_RATES];
	/* Network band.
	 * BAND_B(0x01): 'b' band
	 * BAND_G(0x02): 'g' band
	 * BAND_A(0X04): 'a' band
	 */
	u16 bss_band;
	long long network_tsf;
	u8 time_stamp[8];
	union ieee_types_phy_param_set phy_param_set;
	union ieee_types_ss_param_set ss_param_set;
	u16 cap_info_bitmap;
	struct ieee_types_wmm_parameter wmm_ie;
	u8  disable_11n;
	struct ieee80211_ht_cap *bcn_ht_cap;
	u16 ht_cap_offset;
	struct ieee80211_ht_info *bcn_ht_info;
	u16 ht_info_offset;
	u8 *bcn_bss_co_2040;
	u16 bss_co_2040_offset;
	u8 *bcn_ext_cap;
	u16 ext_cap_offset;
	struct ieee_types_obss_scan_param *bcn_obss_scan;
	u16 overlap_bss_offset;
	struct ieee_types_vendor_specific *bcn_wpa_ie;
	u16 wpa_offset;
	struct ieee_types_generic *bcn_rsn_ie;
	u16 rsn_offset;
	struct ieee_types_generic *bcn_wapi_ie;
	u16 wapi_offset;
	u8 *beacon_buf;
	u32 beacon_buf_size;
	u32 beacon_buf_size_max;

};

struct mwifiex_current_bss_params {
	struct mwifiex_bssdescriptor bss_descriptor;
	u8 wmm_enabled;
	u8 wmm_uapsd_enabled;
	u8 band;
	u32 num_of_rates;
	u8 data_rates[MWIFIEX_SUPPORTED_RATES];
};

struct mwifiex_sleep_params {
	u16 sp_error;
	u16 sp_offset;
	u16 sp_stable_time;
	u8 sp_cal_control;
	u8 sp_ext_sleep_clk;
	u16 sp_reserved;
};

struct mwifiex_sleep_period {
	u16 period;
	u16 reserved;
};

struct mwifiex_wep_key {
	u32 length;
	u32 key_index;
	u32 key_length;
	u8 key_material[MWIFIEX_KEY_BUFFER_SIZE];
};

#define MAX_REGION_CHANNEL_NUM  2

struct mwifiex_chan_freq_power {
	u16 channel;
	u32 freq;
	u16 max_tx_power;
	u8 unsupported;
};

enum state_11d_t {
	DISABLE_11D = 0,
	ENABLE_11D = 1,
};

#define MWIFIEX_MAX_TRIPLET_802_11D		83

struct mwifiex_802_11d_domain_reg {
	u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
	u8 no_of_triplet;
	struct ieee80211_country_ie_triplet
		triplet[MWIFIEX_MAX_TRIPLET_802_11D];
};

struct mwifiex_vendor_spec_cfg_ie {
	u16 mask;
	u16 flag;
	u8 ie[MWIFIEX_MAX_VSIE_LEN];
};

struct wps {
	u8 session_enable;
};

struct mwifiex_adapter;
struct mwifiex_private;

struct mwifiex_private {
	struct mwifiex_adapter *adapter;
	u8 bss_index;
	u8 bss_type;
	u8 bss_role;
	u8 bss_priority;
	u8 bss_num;
	u8 frame_type;
	u8 curr_addr[ETH_ALEN];
	u8 media_connected;
	u32 num_tx_timeout;
	struct net_device *netdev;
	struct net_device_stats stats;
	u16 curr_pkt_filter;
	u32 bss_mode;
	u32 pkt_tx_ctrl;
	u16 tx_power_level;
	u8 max_tx_power_level;
	u8 min_tx_power_level;
	u8 tx_rate;
	u8 tx_htinfo;
	u8 rxpd_htinfo;
	u8 rxpd_rate;
	u16 rate_bitmap;
	u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
	u32 data_rate;
	u8 is_data_rate_auto;
	u16 bcn_avg_factor;
	u16 data_avg_factor;
	s16 data_rssi_last;
	s16 data_nf_last;
	s16 data_rssi_avg;
	s16 data_nf_avg;
	s16 bcn_rssi_last;
	s16 bcn_nf_last;
	s16 bcn_rssi_avg;
	s16 bcn_nf_avg;
	struct mwifiex_bssdescriptor *attempted_bss_desc;
	struct mwifiex_802_11_ssid prev_ssid;
	u8 prev_bssid[ETH_ALEN];
	struct mwifiex_current_bss_params curr_bss_params;
	u16 beacon_period;
	u16 listen_interval;
	u16 atim_window;
	u8 adhoc_channel;
	u8 adhoc_is_link_sensed;
	u8 adhoc_state;
	struct mwifiex_802_11_security sec_info;
	struct mwifiex_wep_key wep_key[NUM_WEP_KEYS];
	u16 wep_key_curr_index;
	u8 wpa_ie[256];
	u8 wpa_ie_len;
	u8 wpa_is_gtk_set;
	struct host_cmd_ds_802_11_key_material aes_key;
	u8 wapi_ie[256];
	u8 wapi_ie_len;
	u8 wmm_required;
	u8 wmm_enabled;
	u8 wmm_qosinfo;
	struct mwifiex_wmm_desc wmm;
	struct list_head tx_ba_stream_tbl_ptr;
	/* spin lock for tx_ba_stream_tbl_ptr queue */
	spinlock_t tx_ba_stream_tbl_lock;
	struct mwifiex_tx_aggr aggr_prio_tbl[MAX_NUM_TID];
	struct mwifiex_add_ba_param add_ba_param;
	u16 rx_seq[MAX_NUM_TID];
	struct list_head rx_reorder_tbl_ptr;
	/* spin lock for rx_reorder_tbl_ptr queue */
	spinlock_t rx_reorder_tbl_lock;
	/* spin lock for Rx packets */
	spinlock_t rx_pkt_lock;

#define MWIFIEX_ASSOC_RSP_BUF_SIZE  500
	u8 assoc_rsp_buf[MWIFIEX_ASSOC_RSP_BUF_SIZE];
	u32 assoc_rsp_size;

#define MWIFIEX_GENIE_BUF_SIZE      256
	u8 gen_ie_buf[MWIFIEX_GENIE_BUF_SIZE];
	u8 gen_ie_buf_len;

	struct mwifiex_vendor_spec_cfg_ie vs_ie[MWIFIEX_MAX_VSIE_NUM];

#define MWIFIEX_ASSOC_TLV_BUF_SIZE  256
	u8 assoc_tlv_buf[MWIFIEX_ASSOC_TLV_BUF_SIZE];
	u8 assoc_tlv_buf_len;

	u8 *curr_bcn_buf;
	u32 curr_bcn_size;
	/* spin lock for beacon buffer */
	spinlock_t curr_bcn_buf_lock;
	u16 ioctl_wait_q_woken;
	wait_queue_head_t ioctl_wait_q;
	u16 cmd_wait_q_woken;
	wait_queue_head_t cmd_wait_q;
	struct wireless_dev *wdev;
	struct mwifiex_chan_freq_power cfp;
	char version_str[128];
#ifdef CONFIG_DEBUG_FS
	struct dentry *dfs_dev_dir;
#endif
	u8 nick_name[16];
	struct iw_statistics w_stats;
	u16 w_stats_wait_q_woken;
	wait_queue_head_t w_stats_wait_q;
	u16 current_key_index;
	struct semaphore async_sem;
	u8 scan_pending_on_block;
	u8 report_scan_result;
	struct cfg80211_scan_request *scan_request;
	int scan_result_status;
	bool assoc_request;
	u16 assoc_result;
	bool ibss_join_request;
	u16 ibss_join_result;
	bool disconnect;
	u8 cfg_bssid[6];
	struct workqueue_struct *workqueue;
	struct work_struct cfg_workqueue;
	u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
	struct wps wps;
	u8 scan_block;
};

enum mwifiex_ba_status {
	BA_STREAM_NOT_SETUP = 0,
	BA_STREAM_SETUP_INPROGRESS,
	BA_STREAM_SETUP_COMPLETE
};

struct mwifiex_tx_ba_stream_tbl {
	struct list_head list;
	int tid;
	u8 ra[ETH_ALEN];
	enum mwifiex_ba_status ba_status;
};

struct mwifiex_rx_reorder_tbl;

struct reorder_tmr_cnxt {
	struct timer_list timer;
	struct mwifiex_rx_reorder_tbl *ptr;
	struct mwifiex_private *priv;
};

struct mwifiex_rx_reorder_tbl {
	struct list_head list;
	int tid;
	u8 ta[ETH_ALEN];
	int start_win;
	int win_size;
	void **rx_reorder_ptr;
	struct reorder_tmr_cnxt timer_context;
};

struct mwifiex_bss_prio_node {
	struct list_head list;
	struct mwifiex_private *priv;
};

struct mwifiex_bss_prio_tbl {
	struct list_head bss_prio_head;
	/* spin lock for bss priority  */
	spinlock_t bss_prio_lock;
	struct mwifiex_bss_prio_node *bss_prio_cur;
};

struct cmd_ctrl_node {
	struct list_head list;
	struct mwifiex_private *priv;
	u32 cmd_oid;
	u32 cmd_flag;
	struct sk_buff *cmd_skb;
	struct sk_buff *resp_skb;
	void *data_buf;
	void *wq_buf;
	struct sk_buff *skb;
};

struct mwifiex_if_ops {
	int (*init_if) (struct mwifiex_adapter *);
	void (*cleanup_if) (struct mwifiex_adapter *);
	int (*check_fw_status) (struct mwifiex_adapter *, u32, int *);
	int (*prog_fw) (struct mwifiex_adapter *, struct mwifiex_fw_image *);
	int (*register_dev) (struct mwifiex_adapter *);
	void (*unregister_dev) (struct mwifiex_adapter *);
	int (*enable_int) (struct mwifiex_adapter *);
	int (*process_int_status) (struct mwifiex_adapter *);
	int (*host_to_card) (struct mwifiex_adapter *, u8,
			     u8 *payload, u32 pkt_len,
			     struct mwifiex_tx_param *);
	int (*wakeup) (struct mwifiex_adapter *);
	int (*wakeup_complete) (struct mwifiex_adapter *);

	void (*update_mp_end_port) (struct mwifiex_adapter *, u16);
	void (*cleanup_mpa_buf) (struct mwifiex_adapter *);
};

struct mwifiex_adapter {
	struct mwifiex_private *priv[MWIFIEX_MAX_BSS_NUM];
	u8 priv_num;
	struct mwifiex_drv_mode *drv_mode;
	const struct firmware *firmware;
	struct device *dev;
	bool surprise_removed;
	u32 fw_release_number;
	u32 revision_id;
	u16 init_wait_q_woken;
	wait_queue_head_t init_wait_q;
	void *card;
	struct mwifiex_if_ops if_ops;
	atomic_t rx_pending;
	atomic_t tx_pending;
	atomic_t ioctl_pending;
	struct workqueue_struct *workqueue;
	struct work_struct main_work;
	struct mwifiex_bss_prio_tbl bss_prio_tbl[MWIFIEX_MAX_BSS_NUM];
	/* spin lock for init/shutdown */
	spinlock_t mwifiex_lock;
	/* spin lock for main process */
	spinlock_t main_proc_lock;
	u32 mwifiex_processing;
	u16 max_tx_buf_size;
	u16 tx_buf_size;
	u16 curr_tx_buf_size;
	u32 ioport;
	enum MWIFIEX_HARDWARE_STATUS hw_status;
	u16 number_of_antenna;
	u32 fw_cap_info;
	/* spin lock for interrupt handling */
	spinlock_t int_lock;
	u8 int_status;
	u32 event_cause;
	struct sk_buff *event_skb;
	u8 upld_buf[MWIFIEX_UPLD_SIZE];
	u8 data_sent;
	u8 cmd_sent;
	u8 cmd_resp_received;
	u8 event_received;
	u8 data_received;
	u16 seq_num;
	struct cmd_ctrl_node *cmd_pool;
	struct cmd_ctrl_node *curr_cmd;
	/* spin lock for command */
	spinlock_t mwifiex_cmd_lock;
	u32 num_cmd_timeout;
	u16 last_init_cmd;
	struct timer_list cmd_timer;
	struct list_head cmd_free_q;
	/* spin lock for cmd_free_q */
	spinlock_t cmd_free_q_lock;
	struct list_head cmd_pending_q;
	/* spin lock for cmd_pending_q */
	spinlock_t cmd_pending_q_lock;
	struct list_head scan_pending_q;
	/* spin lock for scan_pending_q */
	spinlock_t scan_pending_q_lock;
	u32 scan_processing;
	u16 region_code;
	struct mwifiex_802_11d_domain_reg domain_reg;
	struct mwifiex_bssdescriptor *scan_table;
	u32 num_in_scan_table;
	u16 scan_probes;
	u32 scan_mode;
	u16 specific_scan_time;
	u16 active_scan_time;
	u16 passive_scan_time;
	u8 bcn_buf[MAX_SCAN_BEACON_BUFFER];
	u8 *bcn_buf_end;
	u8 fw_bands;
	u8 adhoc_start_band;
	u8 config_bands;
	struct mwifiex_chan_scan_param_set *scan_channels;
	u8 tx_lock_flag;
	struct mwifiex_sleep_params sleep_params;
	struct mwifiex_sleep_period sleep_period;
	u16 ps_mode;
	u32 ps_state;
	u8 need_to_wakeup;
	u16 multiple_dtim;
	u16 local_listen_interval;
	u16 null_pkt_interval;
	struct sk_buff *sleep_cfm;
	u16 bcn_miss_time_out;
	u16 adhoc_awake_period;
	u8 is_deep_sleep;
	u8 delay_null_pkt;
	u16 delay_to_ps;
	u16 enhanced_ps_mode;
	u8 pm_wakeup_card_req;
	u16 gen_null_pkt;
	u16 pps_uapsd_mode;
	u32 pm_wakeup_fw_try;
	u8 is_hs_configured;
	struct mwifiex_hs_config_param hs_cfg;
	u8 hs_activated;
	u16 hs_activate_wait_q_woken;
	wait_queue_head_t hs_activate_wait_q;
	bool is_suspended;
	u8 event_body[MAX_EVENT_SIZE];
	u32 hw_dot_11n_dev_cap;
	u8 hw_dev_mcs_support;
	u8 adhoc_11n_enabled;
	u8 chan_offset;
	struct mwifiex_dbg dbg;
	u8 arp_filter[ARP_FILTER_MAX_BUF_SIZE];
	u32 arp_filter_size;
};

int mwifiex_init_lock_list(struct mwifiex_adapter *adapter);
void mwifiex_free_lock_list(struct mwifiex_adapter *adapter);

int mwifiex_init_fw(struct mwifiex_adapter *adapter);

int mwifiex_init_fw_complete(struct mwifiex_adapter *adapter);

int mwifiex_shutdown_drv(struct mwifiex_adapter *adapter);

int mwifiex_shutdown_fw_complete(struct mwifiex_adapter *adapter);

int mwifiex_dnld_fw(struct mwifiex_adapter *, struct mwifiex_fw_image *);

int mwifiex_recv_complete(struct mwifiex_adapter *,
			  struct sk_buff *skb,
			  int status);

int mwifiex_recv_packet(struct mwifiex_adapter *, struct sk_buff *skb);

int mwifiex_process_event(struct mwifiex_adapter *adapter);

int mwifiex_ioctl_complete(struct mwifiex_adapter *adapter,
			   struct mwifiex_wait_queue *ioctl_wq,
			   int status);

int mwifiex_prepare_cmd(struct mwifiex_private *priv,
			uint16_t cmd_no,
			u16 cmd_action,
			u32 cmd_oid,
			void *wait_queue, void *data_buf);

void mwifiex_cmd_timeout_func(unsigned long function_context);

int mwifiex_misc_ioctl_init_shutdown(struct mwifiex_adapter *adapter,
				     struct mwifiex_wait_queue *wait_queue,
				     u32 func_init_shutdown);
int mwifiex_get_debug_info(struct mwifiex_private *,
			   struct mwifiex_debug_info *);

int mwifiex_alloc_cmd_buffer(struct mwifiex_adapter *adapter);
int mwifiex_free_cmd_buffer(struct mwifiex_adapter *adapter);
void mwifiex_cancel_all_pending_cmd(struct mwifiex_adapter *adapter);
void mwifiex_cancel_pending_ioctl(struct mwifiex_adapter *adapter,
				  struct mwifiex_wait_queue *ioctl_wq);

void mwifiex_insert_cmd_to_free_q(struct mwifiex_adapter *adapter,
				  struct cmd_ctrl_node *cmd_node);

void mwifiex_insert_cmd_to_pending_q(struct mwifiex_adapter *adapter,
				     struct cmd_ctrl_node *cmd_node,
				     u32 addtail);

int mwifiex_exec_next_cmd(struct mwifiex_adapter *adapter);
int mwifiex_process_cmdresp(struct mwifiex_adapter *adapter);
int mwifiex_handle_rx_packet(struct mwifiex_adapter *adapter,
			     struct sk_buff *skb);
int mwifiex_process_tx(struct mwifiex_private *priv, struct sk_buff *skb,
		       struct mwifiex_tx_param *tx_param);
int mwifiex_send_null_packet(struct mwifiex_private *priv, u8 flags);
int mwifiex_write_data_complete(struct mwifiex_adapter *adapter,
				struct sk_buff *skb, int status);
int mwifiex_recv_packet_complete(struct mwifiex_adapter *,
				 struct sk_buff *skb, int status);
void mwifiex_clean_txrx(struct mwifiex_private *priv);
u8 mwifiex_check_last_packet_indication(struct mwifiex_private *priv);
void mwifiex_check_ps_cond(struct mwifiex_adapter *adapter);
void mwifiex_process_sleep_confirm_resp(struct mwifiex_adapter *, u8 *,
					u32);
int mwifiex_cmd_enh_power_mode(struct mwifiex_private *priv,
			       struct host_cmd_ds_command *cmd,
			       u16 cmd_action, uint16_t ps_bitmap,
			       void *data_buf);
int mwifiex_ret_enh_power_mode(struct mwifiex_private *priv,
			       struct host_cmd_ds_command *resp,
			       void *data_buf);
void mwifiex_process_hs_config(struct mwifiex_adapter *adapter);
void mwifiex_hs_activated_event(struct mwifiex_private *priv,
					u8 activated);
int mwifiex_ret_802_11_hs_cfg(struct mwifiex_private *priv,
			      struct host_cmd_ds_command *resp);
int mwifiex_process_rx_packet(struct mwifiex_adapter *adapter,
			      struct sk_buff *skb);
int mwifiex_sta_prepare_cmd(struct mwifiex_private *, uint16_t cmd_no,
			    u16 cmd_action, u32 cmd_oid,
			    void *data_buf, void *cmd_buf);
int mwifiex_process_sta_cmdresp(struct mwifiex_private *, u16 cmdresp_no,
				void *cmd_buf, void *ioctl);
int mwifiex_process_sta_rx_packet(struct mwifiex_adapter *,
				  struct sk_buff *skb);
int mwifiex_process_sta_event(struct mwifiex_private *);
void *mwifiex_process_sta_txpd(struct mwifiex_private *, struct sk_buff *skb);
int mwifiex_sta_init_cmd(struct mwifiex_private *, u8 first_sta);
int mwifiex_scan_networks(struct mwifiex_private *priv, void *wait_queue,
			  u16 action,
			  const struct mwifiex_user_scan_cfg
			  *user_scan_in, struct mwifiex_scan_resp *);
int mwifiex_cmd_802_11_scan(struct mwifiex_private *priv,
			    struct host_cmd_ds_command *cmd,
			    void *data_buf);
void mwifiex_queue_scan_cmd(struct mwifiex_private *priv,
			    struct cmd_ctrl_node *cmd_node);
int mwifiex_ret_802_11_scan(struct mwifiex_private *priv,
			    struct host_cmd_ds_command *resp,
			    void *wait_queue);
s32 mwifiex_find_ssid_in_list(struct mwifiex_private *priv,
				struct mwifiex_802_11_ssid *ssid, u8 *bssid,
				u32 mode);
s32 mwifiex_find_bssid_in_list(struct mwifiex_private *priv, u8 *bssid,
				 u32 mode);
int mwifiex_find_best_network(struct mwifiex_private *priv,
			      struct mwifiex_ssid_bssid *req_ssid_bssid);
s32 mwifiex_ssid_cmp(struct mwifiex_802_11_ssid *ssid1,
		       struct mwifiex_802_11_ssid *ssid2);
int mwifiex_associate(struct mwifiex_private *priv, void *wait_queue,
		      struct mwifiex_bssdescriptor *bss_desc);
int mwifiex_cmd_802_11_associate(struct mwifiex_private *priv,
				 struct host_cmd_ds_command
				 *cmd, void *data_buf);
int mwifiex_ret_802_11_associate(struct mwifiex_private *priv,
				 struct host_cmd_ds_command *resp,
				 void *wait_queue);
void mwifiex_reset_connect_state(struct mwifiex_private *priv);
void mwifiex_2040_coex_event(struct mwifiex_private *priv);
u8 mwifiex_band_to_radio_type(u8 band);
int mwifiex_deauthenticate(struct mwifiex_private *priv,
			   struct mwifiex_wait_queue *wait_queue,
			   u8 *mac);
int mwifiex_adhoc_start(struct mwifiex_private *priv, void *wait_queue,
			struct mwifiex_802_11_ssid *adhoc_ssid);
int mwifiex_adhoc_join(struct mwifiex_private *priv, void *wait_queue,
		       struct mwifiex_bssdescriptor *bss_desc);
int mwifiex_cmd_802_11_ad_hoc_start(struct mwifiex_private *priv,
				    struct host_cmd_ds_command *cmd,
				    void *data_buf);
int mwifiex_cmd_802_11_ad_hoc_join(struct mwifiex_private *priv,
				   struct host_cmd_ds_command *cmd,
				   void *data_buf);
int mwifiex_ret_802_11_ad_hoc(struct mwifiex_private *priv,
			      struct host_cmd_ds_command *resp,
			      void *wait_queue);
int mwifiex_cmd_802_11_bg_scan_query(struct mwifiex_private *priv,
				     struct host_cmd_ds_command *cmd,
				     void *data_buf);
struct mwifiex_chan_freq_power *
			mwifiex_get_cfp_by_band_and_channel_from_cfg80211(
						struct mwifiex_private *priv,
						u8 band, u16 channel);
struct mwifiex_chan_freq_power *mwifiex_get_cfp_by_band_and_freq_from_cfg80211(
						struct mwifiex_private *priv,
						u8 band, u32 freq);
u32 mwifiex_index_to_data_rate(struct mwifiex_adapter *adapter, u8 index,
				 u8 ht_info);
u32 mwifiex_find_freq_from_band_chan(u8, u8);
int mwifiex_cmd_append_vsie_tlv(struct mwifiex_private *priv, u16 vsie_mask,
				u8 **buffer);
u32 mwifiex_index_to_data_rate(struct mwifiex_adapter *adapter, u8 index,
				 u8 ht_info);
u32 mwifiex_get_active_data_rates(struct mwifiex_private *priv,
				    u8 *rates);
u32 mwifiex_get_supported_rates(struct mwifiex_private *priv, u8 *rates);
u8 mwifiex_data_rate_to_index(struct mwifiex_adapter *adapter, u32 rate);
u8 mwifiex_is_rate_auto(struct mwifiex_private *priv);
int mwifiex_get_rate_index(struct mwifiex_adapter *adapter,
			   u16 *rateBitmap, int size);
extern u16 region_code_index[MWIFIEX_MAX_REGION_CODE];
void mwifiex_save_curr_bcn(struct mwifiex_private *priv);
void mwifiex_free_curr_bcn(struct mwifiex_private *priv);
int mwifiex_cmd_get_hw_spec(struct mwifiex_private *priv,
			    struct host_cmd_ds_command *cmd);
int mwifiex_ret_get_hw_spec(struct mwifiex_private *priv,
			    struct host_cmd_ds_command *resp);
int is_command_pending(struct mwifiex_adapter *adapter);

/*
 * This function checks if the queuing is RA based or not.
 */
static inline u8
mwifiex_queuing_ra_based(struct mwifiex_private *priv)
{
	/*
	 * Currently we assume if we are in Infra, then DA=RA. This might not be
	 * true in the future
	 */
	if ((priv->bss_mode == NL80211_IFTYPE_STATION) &&
	    (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA))
		return false;

	return true;
}

/*
 * This function copies rates.
 */
static inline u32
mwifiex_copy_rates(u8 *dest, u32 pos, u8 *src, int len)
{
	int i;

	for (i = 0; i < len && src[i]; i++, pos++) {
		if (pos >= MWIFIEX_SUPPORTED_RATES)
			break;
		dest[pos] = src[i];
	}

	return pos;
}

/*
 * This function returns the correct private structure pointer based
 * upon the BSS type and BSS number.
 */
static inline struct mwifiex_private *
mwifiex_get_priv_by_id(struct mwifiex_adapter *adapter,
		       u32 bss_num, u32 bss_type)
{
	int i;

	for (i = 0; i < adapter->priv_num; i++) {
		if (adapter->priv[i]) {
			if ((adapter->priv[i]->bss_num == bss_num)
			    && (adapter->priv[i]->bss_type == bss_type))
				break;
		}
	}
	return ((i < adapter->priv_num) ? adapter->priv[i] : NULL);
}

/*
 * This function returns the first available private structure pointer
 * based upon the BSS role.
 */
static inline struct mwifiex_private *
mwifiex_get_priv(struct mwifiex_adapter *adapter,
		 enum mwifiex_bss_role bss_role)
{
	int i;

	for (i = 0; i < adapter->priv_num; i++) {
		if (adapter->priv[i]) {
			if (bss_role == MWIFIEX_BSS_ROLE_ANY ||
			    GET_BSS_ROLE(adapter->priv[i]) == bss_role)
				break;
		}
	}

	return ((i < adapter->priv_num) ? adapter->priv[i] : NULL);
}

/*
 * This function returns the driver private structure of a network device.
 */
static inline struct mwifiex_private *
mwifiex_netdev_get_priv(struct net_device *dev)
{
	return (struct mwifiex_private *) (*(unsigned long *) netdev_priv(dev));
}

struct mwifiex_wait_queue *mwifiex_alloc_fill_wait_queue(
				struct mwifiex_private *,
				u8 wait_option);
struct mwifiex_private *mwifiex_bss_index_to_priv(struct mwifiex_adapter
						*adapter, u8 bss_index);
int mwifiex_shutdown_fw(struct mwifiex_private *, u8);

int mwifiex_add_card(void *, struct semaphore *, struct mwifiex_if_ops *);
int mwifiex_remove_card(struct mwifiex_adapter *, struct semaphore *);

void mwifiex_get_version(struct mwifiex_adapter *adapter, char *version,
			 int maxlen);
int mwifiex_request_set_mac_address(struct mwifiex_private *priv);
void mwifiex_request_set_multicast_list(struct mwifiex_private *priv,
					struct net_device *dev);
int mwifiex_request_ioctl(struct mwifiex_private *priv,
			  struct mwifiex_wait_queue *req,
			  int, u8 wait_option);
int mwifiex_disconnect(struct mwifiex_private *, u8, u8 *);
int mwifiex_bss_start(struct mwifiex_private *priv,
		      u8 wait_option,
		      struct mwifiex_ssid_bssid *ssid_bssid);
int mwifiex_set_hs_params(struct mwifiex_private *priv,
			      u16 action, u8 wait_option,
			      struct mwifiex_ds_hs_cfg *hscfg);
int mwifiex_cancel_hs(struct mwifiex_private *priv, u8 wait_option);
int mwifiex_enable_hs(struct mwifiex_adapter *adapter);
void mwifiex_process_ioctl_resp(struct mwifiex_private *priv,
				struct mwifiex_wait_queue *req);
u32 mwifiex_get_mode(struct mwifiex_private *priv, u8 wait_option);
int mwifiex_get_signal_info(struct mwifiex_private *priv,
			    u8 wait_option,
			    struct mwifiex_ds_get_signal *signal);
int mwifiex_drv_get_data_rate(struct mwifiex_private *priv,
			      struct mwifiex_rate_cfg *rate);
int mwifiex_get_channel_list(struct mwifiex_private *priv,
			     u8 wait_option,
			     struct mwifiex_chan_list *chanlist);
int mwifiex_get_scan_table(struct mwifiex_private *priv,
			   u8 wait_option,
			   struct mwifiex_scan_resp *scanresp);
int mwifiex_enable_wep_key(struct mwifiex_private *priv, u8 wait_option);
int mwifiex_find_best_bss(struct mwifiex_private *priv, u8 wait_option,
			  struct mwifiex_ssid_bssid *ssid_bssid);
int mwifiex_request_scan(struct mwifiex_private *priv,
			 u8 wait_option,
			 struct mwifiex_802_11_ssid *req_ssid);
int mwifiex_set_user_scan_ioctl(struct mwifiex_private *priv,
				struct mwifiex_user_scan_cfg *scan_req);
int mwifiex_change_adhoc_chan(struct mwifiex_private *priv, int channel);
int mwifiex_set_radio(struct mwifiex_private *priv, u8 option);

int mwifiex_drv_change_adhoc_chan(struct mwifiex_private *priv, int channel);

int mwifiex_set_encode(struct mwifiex_private *priv, const u8 *key,
		       int key_len, u8 key_index, int disable);

int mwifiex_set_gen_ie(struct mwifiex_private *priv, u8 *ie, int ie_len);

int mwifiex_get_ver_ext(struct mwifiex_private *priv);

int mwifiex_get_stats_info(struct mwifiex_private *priv,
			   struct mwifiex_ds_get_stats *log);

int mwifiex_reg_write(struct mwifiex_private *priv, u32 reg_type,
		      u32 reg_offset, u32 reg_value);

int mwifiex_reg_read(struct mwifiex_private *priv, u32 reg_type,
		     u32 reg_offset, u32 *value);

int mwifiex_eeprom_read(struct mwifiex_private *priv, u16 offset, u16 bytes,
			u8 *value);

int mwifiex_set_11n_httx_cfg(struct mwifiex_private *priv, int data);

int mwifiex_get_11n_httx_cfg(struct mwifiex_private *priv, int *data);

int mwifiex_set_tx_rate_cfg(struct mwifiex_private *priv, int tx_rate_index);

int mwifiex_get_tx_rate_cfg(struct mwifiex_private *priv, int *tx_rate_index);

int mwifiex_drv_set_power(struct mwifiex_private *priv, bool power_on);

int mwifiex_drv_get_driver_version(struct mwifiex_adapter *adapter,
				   char *version, int max_len);

int mwifiex_set_tx_power(struct mwifiex_private *priv, int type, int dbm);

int mwifiex_main_process(struct mwifiex_adapter *);

int mwifiex_bss_ioctl_channel(struct mwifiex_private *,
			      u16 action,
			      struct mwifiex_chan_freq_power *cfp);
int mwifiex_bss_ioctl_find_bss(struct mwifiex_private *,
			       struct mwifiex_wait_queue *,
			       struct mwifiex_ssid_bssid *);
int mwifiex_radio_ioctl_band_cfg(struct mwifiex_private *,
				 u16 action,
				 struct mwifiex_ds_band_cfg *);
int mwifiex_snmp_mib_ioctl(struct mwifiex_private *,
			   struct mwifiex_wait_queue *,
			   u32 cmd_oid, u16 action, u32 *value);
int mwifiex_get_bss_info(struct mwifiex_private *,
			 struct mwifiex_bss_info *);

#ifdef CONFIG_DEBUG_FS
void mwifiex_debugfs_init(void);
void mwifiex_debugfs_remove(void);

void mwifiex_dev_debugfs_init(struct mwifiex_private *priv);
void mwifiex_dev_debugfs_remove(struct mwifiex_private *priv);
#endif
#endif /* !_MWIFIEX_MAIN_H_ */