summaryrefslogtreecommitdiff
path: root/package/broadcom-wl/src/driver/proto/802.11.h
blob: 89d13564ed77b3e4b76032a0b034ce6838785be1 (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
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
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
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
/*
 * Copyright 2007, Broadcom Corporation
 * All Rights Reserved.
 * 
 * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
 * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
 * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
 *
 * Fundamental types and constants relating to 802.11
 *
 */

#ifndef _802_11_H_
#define _802_11_H_

#ifndef _TYPEDEFS_H_
#include <typedefs.h>
#endif

#ifndef _NET_ETHERNET_H_
#include <proto/ethernet.h>
#endif

#include <proto/wpa.h>

/* enable structure packing */
#if defined(__GNUC__)
#define	PACKED	__attribute__((packed))
#else
#pragma pack(1)
#define	PACKED
#endif

#define DOT11_TU_TO_US			1024	/* 802.11 Time Unit is 1024 microseconds */

/* Generic 802.11 frame constants */
#define DOT11_A3_HDR_LEN		24	/* d11 header length with A3 */
#define DOT11_A4_HDR_LEN		30	/* d11 header length with A4 */
#define DOT11_MAC_HDR_LEN		DOT11_A3_HDR_LEN	/* MAC header length */
#define DOT11_FCS_LEN			4	/* d11 FCS length */
#define DOT11_ICV_LEN			4	/* d11 ICV length */
#define DOT11_ICV_AES_LEN		8	/* d11 ICV/AES length */
#define DOT11_QOS_LEN			2	/* d11 QoS length */
#define DOT11_HTC_LEN			4	/* d11 HT Control field length */

#define DOT11_KEY_INDEX_SHIFT		6	/* d11 key index shift */
#define DOT11_IV_LEN			4	/* d11 IV length */
#define DOT11_IV_TKIP_LEN		8	/* d11 IV TKIP length */
#define DOT11_IV_AES_OCB_LEN		4	/* d11 IV/AES/OCB length */
#define DOT11_IV_AES_CCM_LEN		8	/* d11 IV/AES/CCM length */
#define DOT11_IV_MAX_LEN		8	/* maximum iv len for any encryption */

/* Includes MIC */
#define DOT11_MAX_MPDU_BODY_LEN		2304	/* max MPDU body length */
/* A4 header + QoS + CCMP + PDU + ICV + FCS = 2352 */
#define DOT11_MAX_MPDU_LEN		(DOT11_A4_HDR_LEN + \
					 DOT11_QOS_LEN + \
					 DOT11_IV_AES_CCM_LEN + \
					 DOT11_MAX_MPDU_BODY_LEN + \
					 DOT11_ICV_LEN + \
					 DOT11_FCS_LEN)	/* d11 max MPDU length */

#define DOT11_MAX_SSID_LEN		32	/* d11 max ssid length */

/* dot11RTSThreshold */
#define DOT11_DEFAULT_RTS_LEN		2347	/* d11 default RTS length */
#define DOT11_MAX_RTS_LEN		2347	/* d11 max RTS length */

/* dot11FragmentationThreshold */
#define DOT11_MIN_FRAG_LEN		256	/* d11 min fragmentation length */
#define DOT11_MAX_FRAG_LEN		2346	/* Max frag is also limited by aMPDUMaxLength
						* of the attached PHY
						*/
#define DOT11_DEFAULT_FRAG_LEN		2346	/* d11 default fragmentation length */

/* dot11BeaconPeriod */
#define DOT11_MIN_BEACON_PERIOD		1	/* d11 min beacon period */
#define DOT11_MAX_BEACON_PERIOD		0xFFFF	/* d11 max beacon period */

/* dot11DTIMPeriod */
#define DOT11_MIN_DTIM_PERIOD		1	/* d11 min DTIM period */
#define DOT11_MAX_DTIM_PERIOD		0xFF	/* d11 max DTIM period */

/* 802.2 LLC/SNAP header used by 802.11 per 802.1H */
#define DOT11_LLC_SNAP_HDR_LEN		8	/* d11 LLC/SNAP header length */
#define DOT11_OUI_LEN			3	/* d11 OUI length */
struct dot11_llc_snap_header {
	uint8	dsap;				/* always 0xAA */
	uint8	ssap;				/* always 0xAA */
	uint8	ctl;				/* always 0x03 */
	uint8	oui[DOT11_OUI_LEN];		/* RFC1042: 0x00 0x00 0x00
						 * Bridge-Tunnel: 0x00 0x00 0xF8
						 */
	uint16	type;				/* ethertype */
} PACKED;

/* RFC1042 header used by 802.11 per 802.1H */
#define RFC1042_HDR_LEN	(ETHER_HDR_LEN + DOT11_LLC_SNAP_HDR_LEN)	/* RCF1042 header length */

/* Generic 802.11 MAC header */
/*
 * N.B.: This struct reflects the full 4 address 802.11 MAC header.
 *		 The fields are defined such that the shorter 1, 2, and 3
 *		 address headers just use the first k fields.
 */
struct dot11_header {
	uint16			fc;		/* frame control */
	uint16			durid;		/* duration/ID */
	struct ether_addr	a1;		/* address 1 */
	struct ether_addr	a2;		/* address 2 */
	struct ether_addr	a3;		/* address 3 */
	uint16			seq;		/* sequence control */
	struct ether_addr	a4;		/* address 4 */
} PACKED;

/* Control frames */

struct dot11_rts_frame {
	uint16			fc;		/* frame control */
	uint16			durid;		/* duration/ID */
	struct ether_addr	ra;		/* receiver address */
	struct ether_addr	ta;		/* transmitter address */
} PACKED;
#define	DOT11_RTS_LEN		16		/* d11 RTS frame length */

struct dot11_cts_frame {
	uint16			fc;		/* frame control */
	uint16			durid;		/* duration/ID */
	struct ether_addr	ra;		/* receiver address */
} PACKED;
#define	DOT11_CTS_LEN		10		/* d11 CTS frame length */

struct dot11_ack_frame {
	uint16			fc;		/* frame control */
	uint16			durid;		/* duration/ID */
	struct ether_addr	ra;		/* receiver address */
} PACKED;
#define	DOT11_ACK_LEN		10		/* d11 ACK frame length */

struct dot11_ps_poll_frame {
	uint16			fc;		/* frame control */
	uint16			durid;		/* AID */
	struct ether_addr	bssid;		/* receiver address, STA in AP */
	struct ether_addr	ta;		/* transmitter address */
} PACKED;
#define	DOT11_PS_POLL_LEN	16		/* d11 PS poll frame length */

struct dot11_cf_end_frame {
	uint16			fc;		/* frame control */
	uint16			durid;		/* duration/ID */
	struct ether_addr	ra;		/* receiver address */
	struct ether_addr	bssid;		/* transmitter address, STA in AP */
} PACKED;
#define	DOT11_CS_END_LEN	16		/* d11 CF-END frame length */

/* BA/BAR Control parameters */
#define DOT11_BA_CTL_POLICY_NORMAL	0x0000	/* normal ack */
#define DOT11_BA_CTL_POLICY_NOACK	0x0001	/* no ack */
#define DOT11_BA_CTL_POLICY_MASK	0x0001	/* ack policy mask */

#define DOT11_BA_CTL_MTID		0x0002	/* multi tid BA */
#define DOT11_BA_CTL_COMPRESSED		0x0004	/* compressed bitmap */

#define DOT11_BA_CTL_NUMMSDU_MASK	0x0FC0	/* num msdu in bitmap mask */
#define DOT11_BA_CTL_NUMMSDU_SHIFT	6	/* num msdu in bitmap shift */

#define DOT11_BA_CTL_TID_MASK		0xF000	/* tid mask */
#define DOT11_BA_CTL_TID_SHIFT		12	/* tid shift */

/* control frame header (BA/BAR) */
struct dot11_ctl_header {
	uint16			fc;		/* frame control */
	uint16			durid;		/* duration/ID */
	struct ether_addr	ra;		/* receiver address */
	struct ether_addr	ta;		/* transmitter address */
} PACKED;
#define DOT11_CTL_HDR_LEN	16		/* control frame hdr len */

/* BAR frame payload */
struct dot11_bar {
	uint16			bar_control;	/* BAR Control */
	uint16			seqnum;		/* Starting Sequence control */
} PACKED;
#define DOT11_BAR_LEN		4		/* BAR frame payload length */

#define DOT11_BA_BITMAP_LEN	128		/* bitmap length */
#define DOT11_BA_CMP_BITMAP_LEN	8		/* compressed bitmap length */
/* BA frame payload */
struct dot11_ba {
	uint16			ba_control;	/* BA Control */
	uint16			seqnum;		/* Starting Sequence control */
	uint8			bitmap[DOT11_BA_BITMAP_LEN];	/* Block Ack Bitmap */
} PACKED;
#define DOT11_BA_LEN		4		/* BA frame payload len (wo bitmap) */

/* Management frame header */
struct dot11_management_header {
	uint16			fc;		/* frame control */
	uint16			durid;		/* duration/ID */
	struct ether_addr	da;		/* receiver address */
	struct ether_addr	sa;		/* transmitter address */
	struct ether_addr	bssid;		/* BSS ID */
	uint16			seq;		/* sequence control */
} PACKED;
#define	DOT11_MGMT_HDR_LEN	24		/* d11 management header length */

/* Management frame payloads */

struct dot11_bcn_prb {
	uint32			timestamp[2];
	uint16			beacon_interval;
	uint16			capability;
} PACKED;
#define	DOT11_BCN_PRB_LEN	12		/* 802.11 beacon/probe frame fixed length */

struct dot11_auth {
	uint16			alg;		/* algorithm */
	uint16			seq;		/* sequence control */
	uint16			status;		/* status code */
} PACKED;
#define DOT11_AUTH_FIXED_LEN	6		/* length of auth frame without challenge info
						 * elt
						 */

struct dot11_assoc_req {
	uint16			capability;	/* capability information */
	uint16			listen;		/* listen interval */
} PACKED;
#define DOT11_ASSOC_REQ_FIXED_LEN	4	/* length of assoc frame without info elts */

struct dot11_reassoc_req {
	uint16			capability;	/* capability information */
	uint16			listen;		/* listen interval */
	struct ether_addr	ap;		/* Current AP address */
} PACKED;
#define DOT11_REASSOC_REQ_FIXED_LEN	10	/* length of assoc frame without info elts */

struct dot11_assoc_resp {
	uint16			capability;	/* capability information */
	uint16			status;		/* status code */
	uint16			aid;		/* association ID */
} PACKED;

struct dot11_action_measure {
	uint8	category;
	uint8	action;
	uint8	token;
	uint8	data[1];
} PACKED;
#define DOT11_ACTION_MEASURE_LEN	3	/* d11 action measurement header length */

struct dot11_action_ht_ch_width {
	uint8	category;
	uint8	action;
	uint8	ch_width;
} PACKED;

struct dot11_action_ht_mimops {
	uint8	category;
	uint8	action;
	uint8	control;
} PACKED;

#define SM_PWRSAVE_ENABLE	1
#define SM_PWRSAVE_MODE		2

struct dot11_action_ht_info_xchg {
	uint8	category;
	uint8	action;
	uint8	info;
} PACKED;

#define	DOT11_HT_INFO_XCHG_INFO_REQ		0x01
#define	DOT11_HT_INFO_XCHG_40MHZ_INTOLERANT	0x02
#define	DOT11_HT_INFO_XCHG_STA_CHAN_WIDTH	0x04


/* ************* 802.11h related definitions. ************* */
struct dot11_power_cnst {
	uint8 id;
	uint8 len;
	uint8 power;
} PACKED;
typedef struct dot11_power_cnst dot11_power_cnst_t;

struct dot11_power_cap {
	uint8 min;
	uint8 max;
} PACKED;
typedef struct dot11_power_cap dot11_power_cap_t;

struct dot11_tpc_rep {
	uint8 id;
	uint8 len;
	uint8 tx_pwr;
	uint8 margin;
} PACKED;
typedef struct dot11_tpc_rep dot11_tpc_rep_t;
#define DOT11_MNG_IE_TPC_REPORT_LEN	2 	/* length of IE data, not including 2 byte header */

struct dot11_supp_channels {
	uint8 id;
	uint8 len;
	uint8 first_channel;
	uint8 num_channels;
} PACKED;
typedef struct dot11_supp_channels dot11_supp_channels_t;

/* Extension Channel Offset IE: 802.11n-D1.0 spec. added sideband
 * offset for 40MHz operation.  The possible 3 values are:
 * 1 = above control channel
 * 3 = below control channel
 * 0 = no extension channel
 */
struct dot11_extch {
	uint8	id;		/* IE ID, 62, DOT11_MNG_EXT_CHANNEL_OFFSET */
	uint8	len;		/* IE length */
	uint8	extch;
} PACKED;
typedef struct dot11_extch dot11_extch_ie_t;

struct dot11_brcm_extch {
	uint8	id;		/* IE ID, 221, DOT11_MNG_PROPR_ID */
	uint8	len;		/* IE length */
	uint8	oui[3];		/* Proprietary OUI, BRCM_OUI */
	uint8	type;           /* type inidicates what follows */
	uint8	extch;
} PACKED;
typedef struct dot11_brcm_extch dot11_brcm_extch_ie_t;

#define BRCM_EXTCH_IE_LEN	5
#define BRCM_EXTCH_IE_TYPE	53	/* 802.11n ID not yet assigned */
#define DOT11_EXTCH_IE_LEN	1
#define DOT11_EXT_CH_MASK	0x03	/* extension channel mask */
#define DOT11_EXT_CH_UPPER	0x01	/* ext. ch. on upper sb */
#define DOT11_EXT_CH_LOWER	0x03	/* ext. ch. on lower sb */
#define DOT11_EXT_CH_NONE	0x00	/* no extension ch.  */

struct dot11_action_frmhdr {
	uint8	category;
	uint8	action;
	uint8	data[1];
} PACKED;

/* CSA IE data structure */
struct dot11_channel_switch {
	uint8 id;	/* id DOT11_MNG_CHANNEL_SWITCH_ID */
	uint8 len;	/* length of IE */
	uint8 mode;	/* mode 0 or 1 */
	uint8 channel;	/* channel switch to */
	uint8 count;	/* number of beacons before switching */
} PACKED;
typedef struct dot11_channel_switch dot11_chan_switch_ie_t;

#define DOT11_SWITCH_IE_LEN	3	/* length of IE data, not including 2 byte header */
/* CSA mode - 802.11h-2003 $7.3.2.20 */
#define DOT11_CSA_MODE_ADVISORY		0	/* no DOT11_CSA_MODE_NO_TX restriction imposed */
#define DOT11_CSA_MODE_NO_TX		1	/* no transmission upon receiving CSA frame. */

struct dot11_action_switch_channel {
	uint8	category;
	uint8	action;
	dot11_chan_switch_ie_t chan_switch_ie;	/* for switch IE */
	dot11_brcm_extch_ie_t extch_ie;		/* extension channel offset */
} PACKED;

/* 11n Extended Channel Switch IE data structure */
struct dot11_ext_csa {
	uint8 id;	/* id DOT11_MNG_EXT_CHANNEL_SWITCH_ID */
	uint8 len;	/* length of IE */
	uint8 mode;	/* mode 0 or 1 */
	uint8 reg;	/* regulatory class */
	uint8 channel;	/* channel switch to */
	uint8 count;	/* number of beacons before switching */
} PACKED;
typedef struct dot11_ext_csa dot11_ext_csa_ie_t;
#define DOT11_EXT_CSA_IE_LEN	4	/* length of extended channel switch IE body */

struct dot11_action_ext_csa {
	uint8	category;
	uint8	action;
	dot11_ext_csa_ie_t chan_switch_ie;	/* for switch IE */
} PACKED;

/* 802.11h Measurement Request/Report IEs */
/* Measurement Type field */
#define DOT11_MEASURE_TYPE_BASIC 	0	/* d11 measurement basic type */
#define DOT11_MEASURE_TYPE_CCA 		1	/* d11 measurement CCA type */
#define DOT11_MEASURE_TYPE_RPI		2	/* d11 measurement PRI type */

/* Measurement Request Modes */
#define DOT11_MEASURE_MODE_ENABLE 	(1<<1)	/* d11 measurement enable */
#define DOT11_MEASURE_MODE_REQUEST	(1<<2)	/* d11 measurement request */
#define DOT11_MEASURE_MODE_REPORT 	(1<<3)	/* d11 measurement report */
/* Measurement Report Modes */
#define DOT11_MEASURE_MODE_LATE 	(1<<0)	/* d11 measurement late */
#define DOT11_MEASURE_MODE_INCAPABLE	(1<<1)	/* d11 measurement incapable */
#define DOT11_MEASURE_MODE_REFUSED	(1<<2)	/* d11 measurement refuse */
/* Basic Measurement Map bits */
#define DOT11_MEASURE_BASIC_MAP_BSS	((uint8)(1<<0))	/* d11 measurement basic map BSS */
#define DOT11_MEASURE_BASIC_MAP_OFDM	((uint8)(1<<1))	/* d11 measurement map OFDM */
#define DOT11_MEASURE_BASIC_MAP_UKNOWN	((uint8)(1<<2))	/* d11 measurement map unknown */
#define DOT11_MEASURE_BASIC_MAP_RADAR	((uint8)(1<<3))	/* d11 measurement map radar */
#define DOT11_MEASURE_BASIC_MAP_UNMEAS	((uint8)(1<<4))	/* d11 measurement map unmeasuremnt */

struct dot11_meas_req {
	uint8 id;
	uint8 len;
	uint8 token;
	uint8 mode;
	uint8 type;
	uint8 channel;
	uint8 start_time[8];
	uint16 duration;
} PACKED;
typedef struct dot11_meas_req dot11_meas_req_t;
#define DOT11_MNG_IE_MREQ_LEN 14	/* d11 measurement request IE length */
/* length of Measure Request IE data not including variable len */
#define DOT11_MNG_IE_MREQ_FIXED_LEN 3	/* d11 measurement request IE fixed length */

struct dot11_meas_rep {
	uint8 id;
	uint8 len;
	uint8 token;
	uint8 mode;
	uint8 type;
	union
	{
		struct {
			uint8 channel;
			uint8 start_time[8];
			uint16 duration;
			uint8 map;
		} PACKED basic;
		uint8 data[1];
	} PACKED rep;
} PACKED;
typedef struct dot11_meas_rep dot11_meas_rep_t;

/* length of Measure Report IE data not including variable len */
#define DOT11_MNG_IE_MREP_FIXED_LEN	3	/* d11 measurement response IE fixed length */

struct dot11_meas_rep_basic {
	uint8 channel;
	uint8 start_time[8];
	uint16 duration;
	uint8 map;
} PACKED;
typedef struct dot11_meas_rep_basic dot11_meas_rep_basic_t;
#define DOT11_MEASURE_BASIC_REP_LEN	12	/* d11 measurement basic report length */

struct dot11_quiet {
	uint8 id;
	uint8 len;
	uint8 count;	/* TBTTs until beacon interval in quiet starts */
	uint8 period;	/* Beacon intervals between periodic quiet periods ? */
	uint16 duration;	/* Length of quiet period, in TU's */
	uint16 offset;	/* TU's offset from TBTT in Count field */
} PACKED;
typedef struct dot11_quiet dot11_quiet_t;

struct chan_map_tuple {
	uint8 channel;
	uint8 map;
} PACKED;
typedef struct chan_map_tuple chan_map_tuple_t;

struct dot11_ibss_dfs {
	uint8 id;
	uint8 len;
	uint8 eaddr[ETHER_ADDR_LEN];
	uint8 interval;
	chan_map_tuple_t map[1];
} PACKED;
typedef struct dot11_ibss_dfs dot11_ibss_dfs_t;

/* WME Elements */
#define WME_OUI			"\x00\x50\xf2"	/* WME OUI */
#define WME_VER			1	/* WME version */
#define WME_TYPE		2	/* WME type */
#define WME_SUBTYPE_IE		0	/* Information Element */
#define WME_SUBTYPE_PARAM_IE	1	/* Parameter Element */
#define WME_SUBTYPE_TSPEC	2	/* Traffic Specification */

/* WME Access Category Indices (ACIs) */
#define AC_BE			0	/* Best Effort */
#define AC_BK			1	/* Background */
#define AC_VI			2	/* Video */
#define AC_VO			3	/* Voice */
#define AC_COUNT		4	/* number of ACs */

typedef uint8 ac_bitmap_t;	/* AC bitmap of (1 << AC_xx) */

#define AC_BITMAP_NONE		0x0	/* No ACs */
#define AC_BITMAP_ALL		0xf	/* All ACs */
#define AC_BITMAP_TST(ab, ac)	(((ab) & (1 << (ac))) != 0)

/* WME Information Element (IE) */
struct wme_ie {
	uint8 oui[3];
	uint8 type;
	uint8 subtype;
	uint8 version;
	uint8 qosinfo;
} PACKED;
typedef struct wme_ie wme_ie_t;
#define WME_IE_LEN 7	/* WME IE length */

struct edcf_acparam {
	uint8	ACI;
	uint8	ECW;
	uint16  TXOP;		/* stored in network order (ls octet first) */
} PACKED;
typedef struct edcf_acparam edcf_acparam_t;

/* WME Parameter Element (PE) */
struct wme_param_ie {
	uint8 oui[3];
	uint8 type;
	uint8 subtype;
	uint8 version;
	uint8 qosinfo;
	uint8 rsvd;
	edcf_acparam_t acparam[AC_COUNT];
} PACKED;
typedef struct wme_param_ie wme_param_ie_t;
#define WME_PARAM_IE_LEN            24          /* WME Parameter IE length */

/* QoS Info field for IE as sent from AP */
#define WME_QI_AP_APSD_MASK         0x80        /* U-APSD Supported mask */
#define WME_QI_AP_APSD_SHIFT        7           /* U-APSD Supported shift */
#define WME_QI_AP_COUNT_MASK        0x0f        /* Parameter set count mask */
#define WME_QI_AP_COUNT_SHIFT       0           /* Parameter set count shift */

/* QoS Info field for IE as sent from STA */
#define WME_QI_STA_MAXSPLEN_MASK    0x60        /* Max Service Period Length mask */
#define WME_QI_STA_MAXSPLEN_SHIFT   5           /* Max Service Period Length shift */
#define WME_QI_STA_APSD_ALL_MASK    0xf         /* APSD all AC bits mask */
#define WME_QI_STA_APSD_ALL_SHIFT   0           /* APSD all AC bits shift */
#define WME_QI_STA_APSD_BE_MASK     0x8         /* APSD AC_BE mask */
#define WME_QI_STA_APSD_BE_SHIFT    3           /* APSD AC_BE shift */
#define WME_QI_STA_APSD_BK_MASK     0x4         /* APSD AC_BK mask */
#define WME_QI_STA_APSD_BK_SHIFT    2           /* APSD AC_BK shift */
#define WME_QI_STA_APSD_VI_MASK     0x2         /* APSD AC_VI mask */
#define WME_QI_STA_APSD_VI_SHIFT    1           /* APSD AC_VI shift */
#define WME_QI_STA_APSD_VO_MASK     0x1         /* APSD AC_VO mask */
#define WME_QI_STA_APSD_VO_SHIFT    0           /* APSD AC_VO shift */

/* ACI */
#define EDCF_AIFSN_MIN               1           /* AIFSN minimum value */
#define EDCF_AIFSN_MAX               15          /* AIFSN maximum value */
#define EDCF_AIFSN_MASK              0x0f        /* AIFSN mask */
#define EDCF_ACM_MASK                0x10        /* ACM mask */
#define EDCF_ACI_MASK                0x60        /* ACI mask */
#define EDCF_ACI_SHIFT               5           /* ACI shift */

/* ECW */
#define EDCF_ECW_MIN                 0           /* cwmin/cwmax exponent minimum value */
#define EDCF_ECW_MAX                 15          /* cwmin/cwmax exponent maximum value */
#define EDCF_ECW2CW(exp)             ((1 << (exp)) - 1)
#define EDCF_ECWMIN_MASK             0x0f        /* cwmin exponent form mask */
#define EDCF_ECWMAX_MASK             0xf0        /* cwmax exponent form mask */
#define EDCF_ECWMAX_SHIFT            4           /* cwmax exponent form shift */

/* TXOP */
#define EDCF_TXOP_MIN                0           /* TXOP minimum value */
#define EDCF_TXOP_MAX                65535       /* TXOP maximum value */
#define EDCF_TXOP2USEC(txop)         ((txop) << 5)

/* Default EDCF parameters that AP advertises for STA to use; WMM draft Table 12 */
#define EDCF_AC_BE_ACI_STA           0x03	/* STA ACI value for best effort AC */
#define EDCF_AC_BE_ECW_STA           0xA4	/* STA ECW value for best effort AC */
#define EDCF_AC_BE_TXOP_STA          0x0000	/* STA TXOP value for best effort AC */
#define EDCF_AC_BK_ACI_STA           0x27	/* STA ACI value for background AC */
#define EDCF_AC_BK_ECW_STA           0xA4	/* STA ECW value for background AC */
#define EDCF_AC_BK_TXOP_STA          0x0000	/* STA TXOP value for background AC */
#define EDCF_AC_VI_ACI_STA           0x42	/* STA ACI value for video AC */
#define EDCF_AC_VI_ECW_STA           0x43	/* STA ECW value for video AC */
#define EDCF_AC_VI_TXOP_STA          0x005e	/* STA TXOP value for video AC */
#define EDCF_AC_VO_ACI_STA           0x62	/* STA ACI value for audio AC */
#define EDCF_AC_VO_ECW_STA           0x32	/* STA ECW value for audio AC */
#define EDCF_AC_VO_TXOP_STA          0x002f	/* STA TXOP value for audio AC */

/* Default EDCF parameters that AP uses; WMM draft Table 14 */
#define EDCF_AC_BE_ACI_AP            0x03	/* AP ACI value for best effort AC */
#define EDCF_AC_BE_ECW_AP            0x64	/* AP ECW value for best effort AC */
#define EDCF_AC_BE_TXOP_AP           0x0000	/* AP TXOP value for best effort AC */
#define EDCF_AC_BK_ACI_AP            0x27	/* AP ACI value for background AC */
#define EDCF_AC_BK_ECW_AP            0xA4	/* AP ECW value for background AC */
#define EDCF_AC_BK_TXOP_AP           0x0000	/* AP TXOP value for background AC */
#define EDCF_AC_VI_ACI_AP            0x41	/* AP ACI value for video AC */
#define EDCF_AC_VI_ECW_AP            0x43	/* AP ECW value for video AC */
#define EDCF_AC_VI_TXOP_AP           0x005e	/* AP TXOP value for video AC */
#define EDCF_AC_VO_ACI_AP            0x61	/* AP ACI value for audio AC */
#define EDCF_AC_VO_ECW_AP            0x32	/* AP ECW value for audio AC */
#define EDCF_AC_VO_TXOP_AP           0x002f	/* AP TXOP value for audio AC */

struct dot11_qbss_load_ie {
	uint8 id; 			/* 11, DOT11_MNG_QBSS_LOAD_ID */
	uint8 length;
	uint16 station_count; 		/* total number of STAs associated */
	uint8 channel_utilization;	/* % of time, normalized to 255, QAP sensed medium busy */
	uint16 aac; 			/* available admission capacity */
} PACKED;
typedef struct dot11_qbss_load_ie dot11_qbss_load_ie_t;

/* nom_msdu_size */
#define FIXED_MSDU_SIZE 0x8000		/* MSDU size is fixed */
#define MSDU_SIZE_MASK	0x7fff		/* (Nominal or fixed) MSDU size */

/* surplus_bandwidth */
/* Represented as 3 bits of integer, binary point, 13 bits fraction */
#define	INTEGER_SHIFT	13	/* integer shift */
#define FRACTION_MASK	0x1FFF	/* fraction mask */

/* Management Notification Frame */
struct dot11_management_notification {
	uint8 category;			/* DOT11_ACTION_NOTIFICATION */
	uint8 action;
	uint8 token;
	uint8 status;
	uint8 data[1];			/* Elements */
} PACKED;
#define DOT11_MGMT_NOTIFICATION_LEN 4	/* Fixed length */

/* WME Action Codes */
#define WME_ADDTS_REQUEST	0	/* WME ADDTS request */
#define WME_ADDTS_RESPONSE	1	/* WME ADDTS response */
#define WME_DELTS_REQUEST	2	/* WME DELTS request */

/* WME Setup Response Status Codes */
#define WME_ADMISSION_ACCEPTED	0	/* WME admission accepted */
#define WME_INVALID_PARAMETERS	1	/* WME invalide parameters */
#define WME_ADMISSION_REFUSED	3	/* WME admission refused */

/* Macro to take a pointer to a beacon or probe response
 * body and return the char* pointer to the SSID info element
 */
#define BCN_PRB_SSID(body) ((char*)(body) + DOT11_BCN_PRB_LEN)

/* Authentication frame payload constants */
#define DOT11_OPEN_SYSTEM	0	/* d11 open authentication */
#define DOT11_SHARED_KEY	1	/* d11 shared authentication */
#define DOT11_CHALLENGE_LEN	128	/* d11 challenge text length */

/* Frame control macros */
#define FC_PVER_MASK		0x3	/* PVER mask */
#define FC_PVER_SHIFT		0	/* PVER shift */
#define FC_TYPE_MASK		0xC	/* type mask */
#define FC_TYPE_SHIFT		2	/* type shift */
#define FC_SUBTYPE_MASK		0xF0	/* subtype mask */
#define FC_SUBTYPE_SHIFT	4	/* subtype shift */
#define FC_TODS			0x100	/* to DS */
#define FC_TODS_SHIFT		8	/* to DS shift */
#define FC_FROMDS		0x200	/* from DS */
#define FC_FROMDS_SHIFT		9	/* from DS shift */
#define FC_MOREFRAG		0x400	/* more frag. */
#define FC_MOREFRAG_SHIFT	10	/* more frag. shift */
#define FC_RETRY		0x800	/* retry */
#define FC_RETRY_SHIFT		11	/* retry shift */
#define FC_PM			0x1000	/* PM */
#define FC_PM_SHIFT		12	/* PM shift */
#define FC_MOREDATA		0x2000	/* more data */
#define FC_MOREDATA_SHIFT	13	/* more data shift */
#define FC_WEP			0x4000	/* WEP */
#define FC_WEP_SHIFT		14	/* WEP shift */
#define FC_ORDER		0x8000	/* order */
#define FC_ORDER_SHIFT		15	/* order shift */

/* sequence control macros */
#define SEQNUM_SHIFT		4	/* seq. number shift */
#define SEQNUM_MAX		0x1000	/* max seqnum + 1 */
#define FRAGNUM_MASK		0xF	/* frag. number mask */

/* Frame Control type/subtype defs */

/* FC Types */
#define FC_TYPE_MNG		0	/* management type */
#define FC_TYPE_CTL		1	/* control type */
#define FC_TYPE_DATA		2	/* data type */

/* Management Subtypes */
#define FC_SUBTYPE_ASSOC_REQ		0	/* assoc. request */
#define FC_SUBTYPE_ASSOC_RESP		1	/* assoc. response */
#define FC_SUBTYPE_REASSOC_REQ		2	/* reassoc. request */
#define FC_SUBTYPE_REASSOC_RESP		3	/* reassoc. response */
#define FC_SUBTYPE_PROBE_REQ		4	/* probe request */
#define FC_SUBTYPE_PROBE_RESP		5	/* probe response */
#define FC_SUBTYPE_BEACON		8	/* beacon */
#define FC_SUBTYPE_ATIM			9	/* ATIM */
#define FC_SUBTYPE_DISASSOC		10	/* disassoc. */
#define FC_SUBTYPE_AUTH			11	/* authentication */
#define FC_SUBTYPE_DEAUTH		12	/* de-authentication */
#define FC_SUBTYPE_ACTION		13	/* action */
#define FC_SUBTYPE_ACTION_NOACK		14	/* action no-ack */

/* Control Subtypes */
#define FC_SUBTYPE_CTL_WRAPPER		7	/* Control Wrapper */
#define FC_SUBTYPE_BLOCKACK_REQ		8	/* Block Ack Req */
#define FC_SUBTYPE_BLOCKACK		9	/* Block Ack */
#define FC_SUBTYPE_PS_POLL		10	/* PS poll */
#define FC_SUBTYPE_RTS			11	/* RTS */
#define FC_SUBTYPE_CTS			12	/* CTS */
#define FC_SUBTYPE_ACK			13	/* ACK */
#define FC_SUBTYPE_CF_END		14	/* CF-END */
#define FC_SUBTYPE_CF_END_ACK		15	/* CF-END ACK */

/* Data Subtypes */
#define FC_SUBTYPE_DATA			0	/* Data */
#define FC_SUBTYPE_DATA_CF_ACK		1	/* Data + CF-ACK */
#define FC_SUBTYPE_DATA_CF_POLL		2	/* Data + CF-Poll */
#define FC_SUBTYPE_DATA_CF_ACK_POLL	3	/* Data + CF-Ack + CF-Poll */
#define FC_SUBTYPE_NULL			4	/* Null */
#define FC_SUBTYPE_CF_ACK		5	/* CF-Ack */
#define FC_SUBTYPE_CF_POLL		6	/* CF-Poll */
#define FC_SUBTYPE_CF_ACK_POLL		7	/* CF-Ack + CF-Poll */
#define FC_SUBTYPE_QOS_DATA		8	/* QoS Data */
#define FC_SUBTYPE_QOS_DATA_CF_ACK	9	/* QoS Data + CF-Ack */
#define FC_SUBTYPE_QOS_DATA_CF_POLL	10	/* QoS Data + CF-Poll */
#define FC_SUBTYPE_QOS_DATA_CF_ACK_POLL	11	/* QoS Data + CF-Ack + CF-Poll */
#define FC_SUBTYPE_QOS_NULL		12	/* QoS Null */
#define FC_SUBTYPE_QOS_CF_POLL		14	/* QoS CF-Poll */
#define FC_SUBTYPE_QOS_CF_ACK_POLL	15	/* QoS CF-Ack + CF-Poll */

/* Data Subtype Groups */
#define FC_SUBTYPE_ANY_QOS(s)		(((s) & 8) != 0)
#define FC_SUBTYPE_ANY_NULL(s)		(((s) & 4) != 0)
#define FC_SUBTYPE_ANY_CF_POLL(s)	(((s) & 2) != 0)
#define FC_SUBTYPE_ANY_CF_ACK(s)	(((s) & 1) != 0)

/* Type/Subtype Combos */
#define FC_KIND_MASK		(FC_TYPE_MASK | FC_SUBTYPE_MASK)	/* FC kind mask */

#define FC_KIND(t, s)	(((t) << FC_TYPE_SHIFT) | ((s) << FC_SUBTYPE_SHIFT))	/* FC kind */

#define FC_SUBTYPE(fc)	(((fc) & FC_SUBTYPE_MASK) >> FC_SUBTYPE_SHIFT)	/* Subtype from FC */
#define FC_TYPE(fc)	(((fc) & FC_TYPE_MASK) >> FC_TYPE_SHIFT)	/* Type from FC */

#define FC_ASSOC_REQ	FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_ASSOC_REQ)	/* assoc. request */
#define FC_ASSOC_RESP	FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_ASSOC_RESP)	/* assoc. response */
#define FC_REASSOC_REQ	FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_REASSOC_REQ)	/* reassoc. request */
#define FC_REASSOC_RESP	FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_REASSOC_RESP)	/* reassoc. response */
#define FC_PROBE_REQ	FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_PROBE_REQ)	/* probe request */
#define FC_PROBE_RESP	FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_PROBE_RESP)	/* probe response */
#define FC_BEACON	FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_BEACON)		/* beacon */
#define FC_DISASSOC	FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_DISASSOC)	/* disassoc */
#define FC_AUTH		FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_AUTH)		/* authentication */
#define FC_DEAUTH	FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_DEAUTH)		/* deauthentication */
#define FC_ACTION	FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_ACTION)		/* action */
#define FC_ACTION_NOACK	FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_ACTION_NOACK)	/* action no-ack */

#define FC_CTL_WRAPPER	FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_CTL_WRAPPER)	/* Control Wrapper */
#define FC_BLOCKACK_REQ	FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_BLOCKACK_REQ)	/* Block Ack Req */
#define FC_BLOCKACK	FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_BLOCKACK)	/* Block Ack */
#define FC_PS_POLL	FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_PS_POLL)	/* PS poll */
#define FC_RTS		FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_RTS)		/* RTS */
#define FC_CTS		FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_CTS)		/* CTS */
#define FC_ACK		FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_ACK)		/* ACK */
#define FC_CF_END	FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_CF_END)		/* CF-END */
#define FC_CF_END_ACK	FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_CF_END_ACK)	/* CF-END ACK */

#define FC_DATA		FC_KIND(FC_TYPE_DATA, FC_SUBTYPE_DATA)		/* data */
#define FC_NULL_DATA	FC_KIND(FC_TYPE_DATA, FC_SUBTYPE_NULL)		/* null data */
#define FC_DATA_CF_ACK	FC_KIND(FC_TYPE_DATA, FC_SUBTYPE_DATA_CF_ACK)	/* data CF ACK */
#define FC_QOS_DATA	FC_KIND(FC_TYPE_DATA, FC_SUBTYPE_QOS_DATA)	/* QoS data */
#define FC_QOS_NULL	FC_KIND(FC_TYPE_DATA, FC_SUBTYPE_QOS_NULL)	/* QoS null */

/* QoS Control Field */

/* 802.1D Priority */
#define QOS_PRIO_SHIFT		0	/* QoS priority shift */
#define QOS_PRIO_MASK		0x0007	/* QoS priority mask */
#define QOS_PRIO(qos)		(((qos) & QOS_PRIO_MASK) >> QOS_PRIO_SHIFT)	/* QoS priority */

/* Traffic Identifier */
#define QOS_TID_SHIFT		0	/* QoS TID shift */
#define QOS_TID_MASK		0x000f	/* QoS TID mask */
#define QOS_TID(qos)		(((qos) & QOS_TID_MASK) >> QOS_TID_SHIFT)	/* QoS TID */

/* End of Service Period (U-APSD) */
#define QOS_EOSP_SHIFT		4	/* QoS End of Service Period shift */
#define QOS_EOSP_MASK		0x0010	/* QoS End of Service Period mask */
#define QOS_EOSP(qos)		(((qos) & QOS_EOSP_MASK) >> QOS_EOSP_SHIFT)	/* Qos EOSP */

/* Ack Policy */
#define QOS_ACK_NORMAL_ACK	0	/* Normal Ack */
#define QOS_ACK_NO_ACK		1	/* No Ack (eg mcast) */
#define QOS_ACK_NO_EXP_ACK	2	/* No Explicit Ack */
#define QOS_ACK_BLOCK_ACK	3	/* Block Ack */
#define QOS_ACK_SHIFT		5	/* QoS ACK shift */
#define QOS_ACK_MASK		0x0060	/* QoS ACK mask */
#define QOS_ACK(qos)		(((qos) & QOS_ACK_MASK) >> QOS_ACK_SHIFT)	/* QoS ACK */

/* A-MSDU flag */
#define QOS_AMSDU_SHIFT		7	/* AMSDU shift */
#define QOS_AMSDU_MASK		0x0080	/* AMSDU mask */

/* Management Frames */

/* Management Frame Constants */

/* Fixed fields */
#define DOT11_MNG_AUTH_ALGO_LEN		2	/* d11 management auth. algo. length */
#define DOT11_MNG_AUTH_SEQ_LEN		2	/* d11 management auth. seq. length */
#define DOT11_MNG_BEACON_INT_LEN	2	/* d11 management beacon interval length */
#define DOT11_MNG_CAP_LEN		2	/* d11 management cap. length */
#define DOT11_MNG_AP_ADDR_LEN		6	/* d11 management AP address length */
#define DOT11_MNG_LISTEN_INT_LEN	2	/* d11 management listen interval length */
#define DOT11_MNG_REASON_LEN		2	/* d11 management reason length */
#define DOT11_MNG_AID_LEN		2	/* d11 management AID length */
#define DOT11_MNG_STATUS_LEN		2	/* d11 management status length */
#define DOT11_MNG_TIMESTAMP_LEN		8	/* d11 management timestamp length */

/* DUR/ID field in assoc resp is 0xc000 | AID */
#define DOT11_AID_MASK			0x3fff	/* d11 AID mask */

/* Reason Codes */
#define DOT11_RC_RESERVED		0	/* d11 RC reserved */
#define DOT11_RC_UNSPECIFIED		1	/* Unspecified reason */
#define DOT11_RC_AUTH_INVAL		2	/* Previous authentication no longer valid */
#define DOT11_RC_DEAUTH_LEAVING		3	/* Deauthenticated because sending station
						 * is leaving (or has left) IBSS or ESS
						 */
#define DOT11_RC_INACTIVITY		4	/* Disassociated due to inactivity */
#define DOT11_RC_BUSY			5	/* Disassociated because AP is unable to handle
						 * all currently associated stations
						 */
#define DOT11_RC_INVAL_CLASS_2		6	/* Class 2 frame received from
						 * nonauthenticated station
						 */
#define DOT11_RC_INVAL_CLASS_3		7	/* Class 3 frame received from
						 *  nonassociated station
						 */
#define DOT11_RC_DISASSOC_LEAVING	8	/* Disassociated because sending station is
						 * leaving (or has left) BSS
						 */
#define DOT11_RC_NOT_AUTH		9	/* Station requesting (re)association is not
						 * authenticated with responding station
						 */
#define DOT11_RC_BAD_PC			10	/* Unacceptable power capability element */
#define DOT11_RC_BAD_CHANNELS		11	/* Unacceptable supported channels element */
/* 12 is unused */

/* 32-39 are QSTA specific reasons added in 11e */
#define DOT11_RC_UNSPECIFIED_QOS	32	/* unspecified QoS-related reason */
#define DOT11_RC_INSUFFCIENT_BW		33	/* QAP lacks sufficient bandwidth */
#define DOT11_RC_EXCESSIVE_FRAMES	34	/* excessive number of frames need ack */
#define DOT11_RC_TX_OUTSIDE_TXOP	35	/* transmitting outside the limits of txop */
#define DOT11_RC_LEAVING_QBSS		36	/* QSTA is leaving the QBSS (or restting) */
#define DOT11_RC_BAD_MECHANISM		37	/* does not want to use the mechanism */
#define DOT11_RC_SETUP_NEEDED		38	/* mechanism needs a setup */
#define DOT11_RC_TIMEOUT		39	/* timeout */

#define DOT11_RC_MAX			23	/* Reason codes > 23 are reserved */

/* Status Codes */
#define DOT11_SC_SUCCESS		0	/* Successful */
#define DOT11_SC_FAILURE		1	/* Unspecified failure */
#define DOT11_SC_CAP_MISMATCH		10	/* Cannot support all requested
						 * capabilities in the Capability
						 * Information field
						 */
#define DOT11_SC_REASSOC_FAIL		11	/* Reassociation denied due to inability
						 * to confirm that association exists
						 */
#define DOT11_SC_ASSOC_FAIL		12	/* Association denied due to reason
						 * outside the scope of this standard
						 */
#define DOT11_SC_AUTH_MISMATCH		13	/* Responding station does not support
						 * the specified authentication
						 * algorithm
						 */
#define DOT11_SC_AUTH_SEQ		14	/* Received an Authentication frame
						 * with authentication transaction
						 * sequence number out of expected
						 * sequence
						 */
#define DOT11_SC_AUTH_CHALLENGE_FAIL	15	/* Authentication rejected because of
						 * challenge failure
						 */
#define DOT11_SC_AUTH_TIMEOUT		16	/* Authentication rejected due to timeout
						 * waiting for next frame in sequence
						 */
#define DOT11_SC_ASSOC_BUSY_FAIL	17	/* Association denied because AP is
						 * unable to handle additional
						 * associated stations
						 */
#define DOT11_SC_ASSOC_RATE_MISMATCH	18	/* Association denied due to requesting
						 * station not supporting all of the
						 * data rates in the BSSBasicRateSet
						 * parameter
						 */
#define DOT11_SC_ASSOC_SHORT_REQUIRED	19	/* Association denied due to requesting
						 * station not supporting the Short
						 * Preamble option
						 */
#define DOT11_SC_ASSOC_PBCC_REQUIRED	20	/* Association denied due to requesting
						 * station not supporting the PBCC
						 * Modulation option
						 */
#define DOT11_SC_ASSOC_AGILITY_REQUIRED	21	/* Association denied due to requesting
						 * station not supporting the Channel
						 * Agility option
						 */
#define DOT11_SC_ASSOC_SPECTRUM_REQUIRED	22	/* Association denied because Spectrum
							 * Management capability is required.
							 */
#define DOT11_SC_ASSOC_BAD_POWER_CAP	23	/* Association denied because the info
						 * in the Power Cap element is
						 * unacceptable.
						 */
#define DOT11_SC_ASSOC_BAD_SUP_CHANNELS	24	/* Association denied because the info
						 * in the Supported Channel element is
						 * unacceptable
						 */
#define DOT11_SC_ASSOC_SHORTSLOT_REQUIRED	25	/* Association denied due to requesting
							 * station not supporting the Short Slot
							 * Time option
							 */
#define DOT11_SC_ASSOC_ERPBCC_REQUIRED	26	/* Association denied due to requesting
						 * station not supporting the ER-PBCC
						 * Modulation option
						 */
#define DOT11_SC_ASSOC_DSSOFDM_REQUIRED	27	/* Association denied due to requesting
						 * station not supporting the DSS-OFDM
						 * option
						 */

#define	DOT11_SC_DECLINED		37	/* request declined */
#define	DOT11_SC_INVALID_PARAMS		38	/* One or more params have invalid values */

/* Info Elts, length of INFORMATION portion of Info Elts */
#define DOT11_MNG_DS_PARAM_LEN			1	/* d11 management DS parameter length */
#define DOT11_MNG_IBSS_PARAM_LEN		2	/* d11 management IBSS parameter length */

/* TIM Info element has 3 bytes fixed info in INFORMATION field,
 * followed by 1 to 251 bytes of Partial Virtual Bitmap
 */
#define DOT11_MNG_TIM_FIXED_LEN			3	/* d11 management TIM fixed length */
#define DOT11_MNG_TIM_DTIM_COUNT		0	/* d11 management DTIM count */
#define DOT11_MNG_TIM_DTIM_PERIOD		1	/* d11 management DTIM period */
#define DOT11_MNG_TIM_BITMAP_CTL		2	/* d11 management TIM BITMAP control  */
#define DOT11_MNG_TIM_PVB			3	/* d11 management TIM PVB */

/* TLV defines */
#define TLV_TAG_OFF		0	/* tag offset */
#define TLV_LEN_OFF		1	/* length offset */
#define TLV_HDR_LEN		2	/* header length */
#define TLV_BODY_OFF		2	/* body offset */

/* Management Frame Information Element IDs */
#define DOT11_MNG_SSID_ID			0	/* d11 management SSID id */
#define DOT11_MNG_RATES_ID			1	/* d11 management rates id */
#define DOT11_MNG_FH_PARMS_ID			2	/* d11 management FH parameter id */
#define DOT11_MNG_DS_PARMS_ID			3	/* d11 management DS parameter id */
#define DOT11_MNG_CF_PARMS_ID			4	/* d11 management CF parameter id */
#define DOT11_MNG_TIM_ID			5	/* d11 management TIM id */
#define DOT11_MNG_IBSS_PARMS_ID			6	/* d11 management IBSS parameter id */
#define DOT11_MNG_COUNTRY_ID			7	/* d11 management country id */
#define DOT11_MNG_HOPPING_PARMS_ID		8	/* d11 management hopping parameter id */
#define DOT11_MNG_HOPPING_TABLE_ID		9	/* d11 management hopping table id */
#define DOT11_MNG_REQUEST_ID			10	/* d11 management request id */
#define DOT11_MNG_QBSS_LOAD_ID 			11	/* d11 management QBSS Load id */
#define DOT11_MNG_CHALLENGE_ID			16	/* d11 management chanllenge id */
#define DOT11_MNG_PWR_CONSTRAINT_ID		32	/* 11H PowerConstraint */
#define DOT11_MNG_PWR_CAP_ID			33	/* 11H PowerCapability */
#define DOT11_MNG_TPC_REQUEST_ID 		34	/* 11H TPC Request */
#define DOT11_MNG_TPC_REPORT_ID			35	/* 11H TPC Report */
#define DOT11_MNG_SUPP_CHANNELS_ID		36	/* 11H Supported Channels */
#define DOT11_MNG_CHANNEL_SWITCH_ID		37	/* 11H ChannelSwitch Announcement */
#define DOT11_MNG_MEASURE_REQUEST_ID		38	/* 11H MeasurementRequest */
#define DOT11_MNG_MEASURE_REPORT_ID		39	/* 11H MeasurementReport */
#define DOT11_MNG_QUIET_ID			40	/* 11H Quiet */
#define DOT11_MNG_IBSS_DFS_ID			41	/* 11H IBSS_DFS */
#define DOT11_MNG_ERP_ID			42	/* d11 management ERP id */
#define DOT11_MNG_TS_DELAY_ID			43	/* d11 management TS Delay id */
#define	DOT11_MNG_HT_CAP			45	/* d11 mgmt HT cap id */
#define DOT11_MNG_NONERP_ID			47	/* d11 management NON-ERP id */
#define DOT11_MNG_RSN_ID			48	/* d11 management RSN id */
#define DOT11_MNG_EXT_RATES_ID			50	/* d11 management ext. rates id */
#define DOT11_MNG_EXT_CSA_ID			60	/* d11 Extended CSA */
#define	DOT11_MNG_HT_ADD			61	/* d11 mgmt additional HT info */
#define	DOT11_MNG_EXT_CHANNEL_OFFSET		62	/* d11 mgmt ext channel offset */
#define	DOT11_MNG_EXT_CAP			127	/* d11 mgmt ext capability */
#define DOT11_MNG_WPA_ID			221	/* d11 management WPA id */
#define DOT11_MNG_PROPR_ID			221	/* d11 management proprietary id */

/* Rate element Basic flag and rate mask */
#define DOT11_RATE_BASIC			0x80	/* flag for a Basic Rate */
#define DOT11_RATE_MASK				0x7F	/* mask for numeric part of rate */

/* ERP info element bit values */
#define DOT11_MNG_ERP_LEN			1	/* ERP is currently 1 byte long */
#define DOT11_MNG_NONERP_PRESENT		0x01	/* NonERP (802.11b) STAs are present
							 *in the BSS
							 */
#define DOT11_MNG_USE_PROTECTION		0x02	/* Use protection mechanisms for
							 *ERP-OFDM frames
							 */
#define DOT11_MNG_BARKER_PREAMBLE		0x04	/* Short Preambles: 0 == allowed,
							 * 1 == not allowed
							 */
/* TS Delay element offset & size */
#define DOT11_MGN_TS_DELAY_LEN		4	/* length of TS DELAY IE */
#define TS_DELAY_FIELD_SIZE			4	/* TS DELAY field size */

/* Capability Information Field */
#define DOT11_CAP_ESS				0x0001	/* d11 cap. ESS */
#define DOT11_CAP_IBSS				0x0002	/* d11 cap. IBSS */
#define DOT11_CAP_POLLABLE			0x0004	/* d11 cap. pollable */
#define DOT11_CAP_POLL_RQ			0x0008	/* d11 cap. poll request */
#define DOT11_CAP_PRIVACY			0x0010	/* d11 cap. privacy */
#define DOT11_CAP_SHORT				0x0020	/* d11 cap. short */
#define DOT11_CAP_PBCC				0x0040	/* d11 cap. PBCC */
#define DOT11_CAP_AGILITY			0x0080	/* d11 cap. agility */
#define DOT11_CAP_SPECTRUM			0x0100	/* d11 cap. spectrum */
#define DOT11_CAP_SHORTSLOT			0x0400	/* d11 cap. shortslot */
#define DOT11_CAP_CCK_OFDM			0x2000	/* d11 cap. CCK/OFDM */

/* Extended Capability Information Field */
#define DOT11_EXT_CAP_HT_IE_SUPPORT	0x01	/* support for info xchg action frame */

/* Action Frame Constants */
#define DOT11_ACTION_HDR_LEN		2	/* action frame header length */
#define DOT11_ACTION_CAT_ERR_MASK	0x80	/* d11 action category error mask */
#define DOT11_ACTION_CAT_MASK		0x7F	/* d11 action category mask */
#define DOT11_ACTION_CAT_SPECT_MNG	0x00	/* d11 action category spectrum management */
#define DOT11_ACTION_CAT_BLOCKACK	0x03	/* d11 action category block ack */
#define DOT11_ACTION_CAT_HT		0x07	/* d11 action category for HT */
#define DOT11_ACTION_NOTIFICATION	0x11	/* 17 */

#define DOT11_ACTION_ID_M_REQ		0	/* d11 action measurement request */
#define DOT11_ACTION_ID_M_REP		1	/* d11 action measurement response */
#define DOT11_ACTION_ID_TPC_REQ		2	/* d11 action TPC request */
#define DOT11_ACTION_ID_TPC_REP		3	/* d11 action TPC response */
#define DOT11_ACTION_ID_CHANNEL_SWITCH	4	/* d11 action channel switch */
#define DOT11_ACTION_ID_EXT_CSA		5	/* d11 extened CSA for 11n */

/* HT action ids */
#define DOT11_ACTION_ID_HT_CH_WIDTH	0	/* notify channel width action id */
#define DOT11_ACTION_ID_HT_MIMO_PS	1	/* mimo ps action id */
#define DOT11_ACTION_ID_HT_INFO_XCHG	8	/* HT Information Exchange action id */

/* Block Ack action types */
#define DOT11_BA_ACTION_ADDBA_REQ	0	/* ADDBA Req action frame type */
#define DOT11_BA_ACTION_ADDBA_RESP	1	/* ADDBA Resp action frame type */
#define DOT11_BA_ACTION_DELBA		2	/* DELBA action frame type */

/* ADDBA action parameters */
#define DOT11_ADDBA_PARAM_AMSDU_SUP	0x0001	/* AMSDU supported under BA */
#define DOT11_ADDBA_PARAM_POLICY_MASK	0x0002	/* policy mask(ack vs delayed) */
#define DOT11_ADDBA_PARAM_POLICY_SHIFT	1	/* policy shift */
#define DOT11_ADDBA_PARAM_TID_MASK	0x003c	/* tid mask */
#define DOT11_ADDBA_PARAM_TID_SHIFT	2	/* tid shift */
#define DOT11_ADDBA_PARAM_BSIZE_MASK	0xffc0	/* buffer size mask */
#define DOT11_ADDBA_PARAM_BSIZE_SHIFT	6	/* buffer size shift */

#define DOT11_ADDBA_POLICY_DELAYED	0	/* delayed BA policy */
#define DOT11_ADDBA_POLICY_IMMEDIATE	1	/* immediate BA policy */

struct dot11_addba_req {
	uint8 category;				/* category of action frame (3) */
	uint8 action;				/* action: addba req */
	uint8 token;				/* identifier */
	uint16 addba_param_set;			/* parameter set */
	uint16 timeout;				/* timeout in seconds */
	uint16 start_seqnum;			/* starting sequence number */
}PACKED;
typedef struct dot11_addba_req dot11_addba_req_t;
#define DOT11_ADDBA_REQ_LEN		9	/* length of addba req frame */

struct dot11_addba_resp {
	uint8 category;				/* category of action frame (3) */
	uint8 action;				/* action: addba resp */
	uint8 token;				/* identifier */
	uint16 status;				/* status of add request */
	uint16 addba_param_set;			/* negotiated parameter set */
	uint16 timeout;				/* negotiated timeout in seconds */
}PACKED;
typedef struct dot11_addba_resp dot11_addba_resp_t;
#define DOT11_ADDBA_RESP_LEN		9	/* length of addba resp frame */

/* DELBA action parameters */
#define DOT11_DELBA_PARAM_INIT_MASK	0x0800	/* initiator mask */
#define DOT11_DELBA_PARAM_INIT_SHIFT	11	/* initiator shift */
#define DOT11_DELBA_PARAM_TID_MASK	0xf000	/* tid mask */
#define DOT11_DELBA_PARAM_TID_SHIFT	12	/* tid shift */

struct dot11_delba {
	uint8 category;				/* category of action frame (3) */
	uint8 action;				/* action: addba req */
	uint16 delba_param_set;			/* paarmeter set */
	uint16 reason;				/* reason for dellba */
}PACKED;
typedef struct dot11_delba dot11_delba_t;
#define DOT11_DELBA_LEN			6	/* length of delba frame */

/* MLME Enumerations */
#define DOT11_BSSTYPE_INFRASTRUCTURE		0	/* d11 infrastructure */
#define DOT11_BSSTYPE_INDEPENDENT		1	/* d11 independent */
#define DOT11_BSSTYPE_ANY			2	/* d11 any BSS type */
#define DOT11_SCANTYPE_ACTIVE			0	/* d11 scan active */
#define DOT11_SCANTYPE_PASSIVE			1	/* d11 scan passive */

/* 802.11 BRCM "Compromise" Pre N constants */
#define PREN_PREAMBLE		24	/* green field preamble time */
#define PREN_MM_EXT		8	/* extra mixed mode preamble time */
#define PREN_PREAMBLE_EXT	4	/* extra preamble (multiply by unique_streams-1) */

/* 802.11 N PHY constants */
#define NPHY_RIFS_TIME		2	/* NPHY RIFS time */

/* 802.11 A PHY constants */
#define APHY_SLOT_TIME		9	/* APHY slot time */
#define APHY_SIFS_TIME		16	/* APHY SIFS time */
#define APHY_DIFS_TIME		(APHY_SIFS_TIME + (2 * APHY_SLOT_TIME))	/* APHY DIFS time */
#define APHY_PREAMBLE_TIME	16	/* APHY preamble time */
#define APHY_SIGNAL_TIME	4	/* APHY signal time */
#define APHY_SYMBOL_TIME	4	/* APHY symbol time */
#define APHY_SERVICE_NBITS	16	/* APHY service nbits */
#define APHY_TAIL_NBITS		6	/* APHY tail nbits */
#define	APHY_CWMIN		15	/* APHY cwmin */

/* 802.11 B PHY constants */
#define BPHY_SLOT_TIME		20	/* BPHY slot time */
#define BPHY_SIFS_TIME		10	/* BPHY SIFS time */
#define BPHY_DIFS_TIME		50	/* BPHY DIFS time */
#define BPHY_PLCP_TIME		192	/* BPHY PLCP time */
#define BPHY_PLCP_SHORT_TIME	96	/* BPHY PLCP short time */
#define	BPHY_CWMIN		31	/* BPHY cwmin */

/* 802.11 G constants */
#define DOT11_OFDM_SIGNAL_EXTENSION	6	/* d11 OFDM signal extension */

#define PHY_CWMAX		1023	/* PHY cwmax */

#define	DOT11_MAXNUMFRAGS	16	/* max # fragments per MSDU */

/* dot11Counters Table - 802.11 spec., Annex D */
typedef struct d11cnt {
	uint32		txfrag;		/* dot11TransmittedFragmentCount */
	uint32		txmulti;	/* dot11MulticastTransmittedFrameCount */
	uint32		txfail;		/* dot11FailedCount */
	uint32		txretry;	/* dot11RetryCount */
	uint32		txretrie;	/* dot11MultipleRetryCount */
	uint32		rxdup;		/* dot11FrameduplicateCount */
	uint32		txrts;		/* dot11RTSSuccessCount */
	uint32		txnocts;	/* dot11RTSFailureCount */
	uint32		txnoack;	/* dot11ACKFailureCount */
	uint32		rxfrag;		/* dot11ReceivedFragmentCount */
	uint32		rxmulti;	/* dot11MulticastReceivedFrameCount */
	uint32		rxcrc;		/* dot11FCSErrorCount */
	uint32		txfrmsnt;	/* dot11TransmittedFrameCount */
	uint32		rxundec;	/* dot11WEPUndecryptableCount */
} d11cnt_t;

/* BRCM OUI */
#define BRCM_OUI		"\x00\x10\x18"	/* Broadcom OUI */

/* OUI for BRCM proprietary IE */
#define BRCM_PROP_OUI		"\x00\x90\x4C"	/* Broadcom proprietary OUI */

/* BRCM info element */
struct brcm_ie {
	uint8	id;		/* IE ID, 221, DOT11_MNG_PROPR_ID */
	uint8	len;		/* IE length */
	uint8	oui[3];		/* Proprietary OUI, BRCM_OUI */
	uint8	ver;		/* type/ver of this IE */
	uint8	assoc;		/* # of assoc STAs */
	uint8	flags;		/* misc flags */
	uint8	flags1;		/* misc flags */
	uint16	amsdu_mtu_pref;	/* preferred A-MSDU MTU */
} PACKED;
typedef	struct brcm_ie brcm_ie_t;
#define BRCM_IE_LEN		11	/* BRCM IE length */
#define BRCM_IE_VER		2	/* BRCM IE version */
#define BRCM_IE_LEGACY_AES_VER	1	/* BRCM IE legacy AES version */

/* brcm_ie flags */
#define	BRF_ABCAP		0x1	/* afterburner capable */
#define	BRF_ABRQRD		0x2	/* afterburner requested */
#define	BRF_LZWDS		0x4	/* lazy wds enabled */
#define	BRF_BLOCKACK		0x8	/* BlockACK capable */
#define BRF_ABCOUNTER_MASK	0xf0	/* afterburner wds "state" counter */
#define BRF_ABCOUNTER_SHIFT	4	/* offset of afterburner wds "state" counter */

/* brcm_ie flags1 */
#define	BRF1_AMSDU		0x1	/* A-MSDU capable */
#define	BRF1_DPT		0x2	/* DPT capable */

#define AB_WDS_TIMEOUT_MAX	15	/* afterburner wds Max count indicating not
					 * locally capable
					 */
#define AB_WDS_TIMEOUT_MIN	1	/* afterburner wds, use zero count as indicating
					 * "downrev"
					 */

/* EWC definitions */
#define MCSSET_LEN	16	/* 16-bits per 8-bit set to give 128-bits bitmap of MCS Index */
#define MAX_MCS_NUM	(128)	/* max mcs number = 128 */

struct ewc_cap_ie {
	uint16	cap;
	uint8	params;
	uint8	supp_mcs[MCSSET_LEN];
	uint16	ext_htcap;
	uint32	txbf_cap;
	uint8	as_cap;
} PACKED;
typedef struct ewc_cap_ie ewc_cap_ie_t;

/* CAP IE: EWC 1.0 spec. simply stole a 802.11 IE, we use our prop. IE until this is resolved */
/* the capability IE is primarily used to convey this nodes abilities */
struct ewc_prop_cap_ie {
	uint8	id;		/* IE ID, 221, DOT11_MNG_PROPR_ID */
	uint8	len;		/* IE length */
	uint8	oui[3];		/* Proprietary OUI, BRCM_PROP_OUI */
	uint8	type;           /* type inidicates what follows */
	ewc_cap_ie_t cap_ie;
} PACKED;
typedef struct ewc_prop_cap_ie ewc_prop_cap_ie_t;
#define EWC_PROP_IE_OVERHEAD	4	/* overhead bytes for prop oui ie */
#define EWC_CAP_IE_LEN	26	
#define EWC_CAP_IE_TYPE	51      

#define EWC_CAP_LDPC_CODING	0x0001	/* Support for rx of LDPC coded pkts */
#define EWC_CAP_40MHZ		0x0002  /* FALSE:20Mhz, TRUE:20/40MHZ supported */
#define EWC_CAP_MIMO_PS_MASK	0x000C  /* Mimo PS mask */
#define EWC_CAP_MIMO_PS_SHIFT	0x0002	/* Mimo PS shift */
#define EWC_CAP_MIMO_PS_OFF	0x0003	/* Mimo PS, no restriction */
#define EWC_CAP_MIMO_PS_RTS	0x0001	/* Mimo PS, send RTS/CTS around MIMO frames */
#define EWC_CAP_MIMO_PS_ON	0x0000	/* Mimo PS, MIMO disallowed */
#define EWC_CAP_GF		0x0010	/* Greenfield preamble support */
#define EWC_CAP_SHORT_GI_20	0x0020	/* 20MHZ short guard interval support */
#define EWC_CAP_SHORT_GI_40	0x0040	/* 40Mhz short guard interval support */
#define EWC_CAP_TX_STBC		0x0080	/* Tx STBC support */
#define EWC_CAP_RX_STBC_MASK	0x0300	/* Rx STBC mask */
#define EWC_CAP_RX_STBC_SHIFT	8	/* Rx STBC shift */
#define EWC_CAP_DELAYED_BA	0x0400	/* delayed BA support */
#define EWC_CAP_MAX_AMSDU	0x0800	/* Max AMSDU size in bytes , 0=3839, 1=7935 */
#define EWC_CAP_DSSS_CCK	0x1000	/* DSSS/CCK supported by the BSS */
#define EWC_CAP_PSMP		0x2000	/* Power Save Multi Poll support */
#define EWC_CAP_40MHZ_INTOLERANT 0x4000	/* 40MHz Intolerant */
#define EWC_CAP_LSIG_TXOP	0x8000	/* L-SIG TXOP protection support */

#define EWC_CAP_RX_STBC_NO		0x0	/* no rx STBC support */
#define EWC_CAP_RX_STBC_ONE_STREAM	0x1	/* rx STBC support of 1 spatial stream */
#define EWC_CAP_RX_STBC_TWO_STREAM	0x2	/* rx STBC support of 1-2 spatial streams */
#define EWC_CAP_RX_STBC_THREE_STREAM	0x3	/* rx STBC support of 1-3 spatial streams */

#define EWC_MAX_AMSDU		7935	/* max amsdu size (bytes) per the EWC spec */
#define EWC_MIN_AMSDU		3835	/* min amsdu size (bytes) per the EWC spec */

#define EWC_PARAMS_RX_FACTOR_MASK	0x03	/* ampdu rcv factor mask */
#define EWC_PARAMS_DENSITY_MASK		0x1C	/* ampdu density mask */
#define EWC_PARAMS_DENSITY_SHIFT	2	/* ampdu density shift */

/* EWC/AMPDU specific define */
#define AMPDU_MAX_MPDU_DENSITY	7	/* max mpdu density; in 1/8 usec units */
#define AMPDU_MAX_RX_FACTOR	3	/* max rcv ampdu len (64kb) */
#define AMPDU_RX_FACTOR_BASE	8*1024	/* ampdu factor base for rx len */
#define AMPDU_DELIMITER_LEN	4	/* length of ampdu delimiter */

struct ewc_add_ie {
	uint8	ctl_ch;			/* control channel number */
	uint8	byte1;			/* ext ch,rec. ch. width, RIFS support */
	uint16	opmode;			/* operation mode */
	uint16	misc_bits;		/* misc bits */
	uint8	basic_mcs[MCSSET_LEN];  /* required MCS set */
} PACKED;
typedef struct ewc_add_ie ewc_add_ie_t;

/* ADD IE: EWC 1.0 spec. simply stole a 802.11 IE, we use our prop. IE until this is resolved */
/* the additional IE is primarily used to convey the current BSS configuration */
struct ewc_prop_add_ie {
	uint8	id;		/* IE ID, 221, DOT11_MNG_PROPR_ID */
	uint8	len;		/* IE length */
	uint8	oui[3];		/* Proprietary OUI, BRCM_PROP_OUI */
	uint8	type;		/* indicates what follows */
	ewc_add_ie_t add_ie;
} PACKED;
typedef struct ewc_prop_add_ie ewc_prop_add_ie_t;

#define EWC_ADD_IE_LEN	22	
#define EWC_ADD_IE_TYPE	52	

/* byte1 defn's */
#define EWC_BW_ANY		0x04	/* set, STA can use 20 or 40MHz */
#define EWC_RIFS_PERMITTED     	0x08	/* RIFS allowed */

/* opmode defn's */
#define EWC_OPMODE_MASK	        0x0003	/* protection mode mask */
#define EWC_OPMODE_SHIFT	0	/* protection mode shift */
#define EWC_OPMODE_PURE		0x0000	/* protection mode PURE */
#define EWC_OPMODE_OPTIONAL	0x0001	/* protection mode optional */
#define EWC_OPMODE_HT20IN40	0x0002	/* protection mode 20MHz HT in 40MHz BSS */
#define EWC_OPMODE_MIXED	0x0003	/* protection mode Mixed Mode */
#define EWC_OPMODE_NONGF	0x0004	/* protection mode non-GF */
#define DOT11N_TXBURST		0x0008	/* Tx burst limit */
#define DOT11N_OBSS_NONHT	0x0010	/* OBSS Non-HT STA present */

/* misc_bites defn's */
#define EWC_BASIC_STBC_MCS	0x007f	/* basic STBC MCS */
#define EWC_DUAL_STBC_PROT	0x0080	/* Dual STBC Protection */
#define EWC_SECOND_BCN		0x0100	/* Secondary beacon support */
#define EWC_LSIG_TXOP		0x0200	/* L-SIG TXOP Protection full support */
#define EWC_PCO_ACTIVE		0x0400	/* PCO active */
#define EWC_PCO_PHASE		0x0800	/* PCO phase */

/* Tx Burst Limits */
#define DOT11N_2G_TXBURST_LIMIT	6160	/* 2G band Tx burst limit per 802.11n Draft 1.10 (usec) */
#define DOT11N_5G_TXBURST_LIMIT	3080	/* 5G band Tx burst limit per 802.11n Draft 1.10 (usec) */

/* Macros for opmode */
#define GET_EWC_OPMODE(add_ie)		((ltoh16_ua(&add_ie->opmode) & EWC_OPMODE_MASK) \
					>> EWC_OPMODE_SHIFT)
#define EWC_MIXEDMODE_PRESENT(add_ie)	((ltoh16_ua(&add_ie->opmode) & EWC_OPMODE_MASK) \
					== EWC_OPMODE_MIXED)	/* mixed mode present */
#define EWC_HT20_PRESENT(add_ie)	((ltoh16_ua(&add_ie->opmode) & EWC_OPMODE_MASK) \
					== EWC_OPMODE_HT20IN40)	/* 20MHz HT present */
#define EWC_OPTIONAL_PRESENT(add_ie)	((ltoh16_ua(&add_ie->opmode) & EWC_OPMODE_MASK) \
					== EWC_OPMODE_OPTIONAL)	/* Optional protection present */
#define EWC_USE_PROTECTION(add_ie)	(EWC_HT20_PRESENT((add_ie)) || \
					EWC_MIXEDMODE_PRESENT((add_ie))) /* use protection */
#define EWC_NONGF_PRESENT(add_ie)	((ltoh16_ua(&add_ie->opmode) & EWC_OPMODE_NONGF) \
					== EWC_OPMODE_NONGF)	/* non-GF present */
#define DOT11N_TXBURST_PRESENT(add_ie)	((ltoh16_ua(&add_ie->opmode) & DOT11N_TXBURST) \
					== DOT11N_TXBURST)	/* Tx Burst present */
#define DOT11N_OBSS_NONHT_PRESENT(add_ie)	((ltoh16_ua(&add_ie->opmode) & DOT11N_OBSS_NONHT) \
					== DOT11N_OBSS_NONHT)	/* OBSS Non-HT present */

/* Vendor IE structure */
struct vndr_ie {
	uchar id;
	uchar len;
	uchar oui [3];
	uchar data [1]; 	/* Variable size data */
} PACKED;
typedef struct vndr_ie vndr_ie_t;

#define VNDR_IE_HDR_LEN		2	/* id + len field */
#define VNDR_IE_MIN_LEN		3	/* size of the oui field */
#define VNDR_IE_MAX_LEN		256	/* verdor IE max length */

/* WPA definitions */
#define WPA_VERSION		1	/* WPA version */
#define WPA_OUI			"\x00\x50\xF2"	/* WPA OUI */

#define WPA2_VERSION		1	/* WPA2 version */
#define WPA2_VERSION_LEN	2	/* WAP2 version length */
#define WPA2_OUI		"\x00\x0F\xAC"	/* WPA2 OUI */

#define WPA_OUI_LEN	3	/* WPA OUI length */

/* RSN authenticated key managment suite */
#define RSN_AKM_NONE		0	/* None (IBSS) */
#define RSN_AKM_UNSPECIFIED	1	/* Over 802.1x */
#define RSN_AKM_PSK		2	/* Pre-shared Key */

/* Key related defines */
#define DOT11_MAX_DEFAULT_KEYS	4	/* number of default keys */
#define DOT11_MAX_KEY_SIZE	32	/* max size of any key */
#define DOT11_MAX_IV_SIZE	16	/* max size of any IV */
#define DOT11_EXT_IV_FLAG	(1<<5)	/* flag to indicate IV is > 4 bytes */

#define WEP1_KEY_SIZE		5	/* max size of any WEP key */
#define WEP1_KEY_HEX_SIZE	10	/* size of WEP key in hex. */
#define WEP128_KEY_SIZE		13	/* max size of any WEP key */
#define WEP128_KEY_HEX_SIZE	26	/* size of WEP key in hex. */
#define TKIP_MIC_SIZE		8	/* size of TKIP MIC */
#define TKIP_EOM_SIZE		7	/* max size of TKIP EOM */
#define TKIP_EOM_FLAG		0x5a	/* TKIP EOM flag byte */
#define TKIP_KEY_SIZE		32	/* size of any TKIP key */
#define TKIP_MIC_AUTH_TX	16	/* offset to Authenticator MIC TX key */
#define TKIP_MIC_AUTH_RX	24	/* offset to Authenticator MIC RX key */
#define TKIP_MIC_SUP_RX		TKIP_MIC_AUTH_TX	/* offset to Supplicant MIC RX key */
#define TKIP_MIC_SUP_TX		TKIP_MIC_AUTH_RX	/* offset to Supplicant MIC TX key */
#define AES_KEY_SIZE		16	/* size of AES key */

#undef PACKED
#if !defined(__GNUC__)
#pragma pack()
#endif

#endif /* _802_11_H_ */