aboutsummaryrefslogtreecommitdiff
path: root/include/linux/ieee80211.h
blob: ce07161c873504b3ff8222d2ba3bf27830490dfa (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
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
/*
 * IEEE 802.11 defines
 *
 * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
 * <jkmaline@cc.hut.fi>
 * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
 * Copyright (c) 2005, Devicescape Software, Inc.
 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#ifndef LINUX_IEEE80211_H
#define LINUX_IEEE80211_H

#include <linux/types.h>
#include <asm/byteorder.h>

/*
 * DS bit usage
 *
 * TA = transmitter address
 * RA = receiver address
 * DA = destination address
 * SA = source address
 *
 * ToDS    FromDS  A1(RA)  A2(TA)  A3      A4      Use
 * -----------------------------------------------------------------
 *  0       0       DA      SA      BSSID   -       IBSS/DLS
 *  0       1       DA      BSSID   SA      -       AP -> STA
 *  1       0       BSSID   SA      DA      -       AP <- STA
 *  1       1       RA      TA      DA      SA      unspecified (WDS)
 */

#define FCS_LEN 4

#define IEEE80211_FCTL_VERS		0x0003
#define IEEE80211_FCTL_FTYPE		0x000c
#define IEEE80211_FCTL_STYPE		0x00f0
#define IEEE80211_FCTL_TODS		0x0100
#define IEEE80211_FCTL_FROMDS		0x0200
#define IEEE80211_FCTL_MOREFRAGS	0x0400
#define IEEE80211_FCTL_RETRY		0x0800
#define IEEE80211_FCTL_PM		0x1000
#define IEEE80211_FCTL_MOREDATA		0x2000
#define IEEE80211_FCTL_PROTECTED	0x4000
#define IEEE80211_FCTL_ORDER		0x8000
#define IEEE80211_FCTL_CTL_EXT		0x0f00

#define IEEE80211_SCTL_FRAG		0x000F
#define IEEE80211_SCTL_SEQ		0xFFF0

#define IEEE80211_FTYPE_MGMT		0x0000
#define IEEE80211_FTYPE_CTL		0x0004
#define IEEE80211_FTYPE_DATA		0x0008
#define IEEE80211_FTYPE_EXT		0x000c

/* management */
#define IEEE80211_STYPE_ASSOC_REQ	0x0000
#define IEEE80211_STYPE_ASSOC_RESP	0x0010
#define IEEE80211_STYPE_REASSOC_REQ	0x0020
#define IEEE80211_STYPE_REASSOC_RESP	0x0030
#define IEEE80211_STYPE_PROBE_REQ	0x0040
#define IEEE80211_STYPE_PROBE_RESP	0x0050
#define IEEE80211_STYPE_BEACON		0x0080
#define IEEE80211_STYPE_ATIM		0x0090
#define IEEE80211_STYPE_DISASSOC	0x00A0
#define IEEE80211_STYPE_AUTH		0x00B0
#define IEEE80211_STYPE_DEAUTH		0x00C0
#define IEEE80211_STYPE_ACTION		0x00D0

/* control */
#define IEEE80211_STYPE_CTL_EXT		0x0060
#define IEEE80211_STYPE_BACK_REQ	0x0080
#define IEEE80211_STYPE_BACK		0x0090
#define IEEE80211_STYPE_PSPOLL		0x00A0
#define IEEE80211_STYPE_RTS		0x00B0
#define IEEE80211_STYPE_CTS		0x00C0
#define IEEE80211_STYPE_ACK		0x00D0
#define IEEE80211_STYPE_CFEND		0x00E0
#define IEEE80211_STYPE_CFENDACK	0x00F0

/* data */
#define IEEE80211_STYPE_DATA			0x0000
#define IEEE80211_STYPE_DATA_CFACK		0x0010
#define IEEE80211_STYPE_DATA_CFPOLL		0x0020
#define IEEE80211_STYPE_DATA_CFACKPOLL		0x0030
#define IEEE80211_STYPE_NULLFUNC		0x0040
#define IEEE80211_STYPE_CFACK			0x0050
#define IEEE80211_STYPE_CFPOLL			0x0060
#define IEEE80211_STYPE_CFACKPOLL		0x0070
#define IEEE80211_STYPE_QOS_DATA		0x0080
#define IEEE80211_STYPE_QOS_DATA_CFACK		0x0090
#define IEEE80211_STYPE_QOS_DATA_CFPOLL		0x00A0
#define IEEE80211_STYPE_QOS_DATA_CFACKPOLL	0x00B0
#define IEEE80211_STYPE_QOS_NULLFUNC		0x00C0
#define IEEE80211_STYPE_QOS_CFACK		0x00D0
#define IEEE80211_STYPE_QOS_CFPOLL		0x00E0
#define IEEE80211_STYPE_QOS_CFACKPOLL		0x00F0

/* extension, added by 802.11ad */
#define IEEE80211_STYPE_DMG_BEACON		0x0000

/* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
#define IEEE80211_CTL_EXT_POLL		0x2000
#define IEEE80211_CTL_EXT_SPR		0x3000
#define IEEE80211_CTL_EXT_GRANT	0x4000
#define IEEE80211_CTL_EXT_DMG_CTS	0x5000
#define IEEE80211_CTL_EXT_DMG_DTS	0x6000
#define IEEE80211_CTL_EXT_SSW		0x8000
#define IEEE80211_CTL_EXT_SSW_FBACK	0x9000
#define IEEE80211_CTL_EXT_SSW_ACK	0xa000


#define IEEE80211_SN_MASK		((IEEE80211_SCTL_SEQ) >> 4)
#define IEEE80211_MAX_SN		IEEE80211_SN_MASK
#define IEEE80211_SN_MODULO		(IEEE80211_MAX_SN + 1)

static inline int ieee80211_sn_less(u16 sn1, u16 sn2)
{
	return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
}

static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
{
	return (sn1 + sn2) & IEEE80211_SN_MASK;
}

static inline u16 ieee80211_sn_inc(u16 sn)
{
	return ieee80211_sn_add(sn, 1);
}

static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
{
	return (sn1 - sn2) & IEEE80211_SN_MASK;
}

#define IEEE80211_SEQ_TO_SN(seq)	(((seq) & IEEE80211_SCTL_SEQ) >> 4)
#define IEEE80211_SN_TO_SEQ(ssn)	(((ssn) << 4) & IEEE80211_SCTL_SEQ)

/* miscellaneous IEEE 802.11 constants */
#define IEEE80211_MAX_FRAG_THRESHOLD	2352
#define IEEE80211_MAX_RTS_THRESHOLD	2353
#define IEEE80211_MAX_AID		2007
#define IEEE80211_MAX_TIM_LEN		251
/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
   6.2.1.1.2.

   802.11e clarifies the figure in section 7.1.2. The frame body is
   up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
#define IEEE80211_MAX_DATA_LEN		2304
/* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
#define IEEE80211_MAX_FRAME_LEN		2352

#define IEEE80211_MAX_SSID_LEN		32

#define IEEE80211_MAX_MESH_ID_LEN	32

#define IEEE80211_NUM_TIDS		16

#define IEEE80211_QOS_CTL_LEN		2
/* 1d tag mask */
#define IEEE80211_QOS_CTL_TAG1D_MASK		0x0007
/* TID mask */
#define IEEE80211_QOS_CTL_TID_MASK		0x000f
/* EOSP */
#define IEEE80211_QOS_CTL_EOSP			0x0010
/* ACK policy */
#define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL	0x0000
#define IEEE80211_QOS_CTL_ACK_POLICY_NOACK	0x0020
#define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL	0x0040
#define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK	0x0060
#define IEEE80211_QOS_CTL_ACK_POLICY_MASK	0x0060
/* A-MSDU 802.11n */
#define IEEE80211_QOS_CTL_A_MSDU_PRESENT	0x0080
/* Mesh Control 802.11s */
#define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT  0x0100

/* Mesh Power Save Level */
#define IEEE80211_QOS_CTL_MESH_PS_LEVEL		0x0200
/* Mesh Receiver Service Period Initiated */
#define IEEE80211_QOS_CTL_RSPI			0x0400

/* U-APSD queue for WMM IEs sent by AP */
#define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD	(1<<7)
#define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK	0x0f

/* U-APSD queues for WMM IEs sent by STA */
#define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO	(1<<0)
#define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI	(1<<1)
#define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK	(1<<2)
#define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE	(1<<3)
#define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK	0x0f

/* U-APSD max SP length for WMM IEs sent by STA */
#define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL	0x00
#define IEEE80211_WMM_IE_STA_QOSINFO_SP_2	0x01
#define IEEE80211_WMM_IE_STA_QOSINFO_SP_4	0x02
#define IEEE80211_WMM_IE_STA_QOSINFO_SP_6	0x03
#define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK	0x03
#define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT	5

#define IEEE80211_HT_CTL_LEN		4

struct ieee80211_hdr {
	__le16 frame_control;
	__le16 duration_id;
	u8 addr1[6];
	u8 addr2[6];
	u8 addr3[6];
	__le16 seq_ctrl;
	u8 addr4[6];
} __packed __aligned(2);

struct ieee80211_hdr_3addr {
	__le16 frame_control;
	__le16 duration_id;
	u8 addr1[6];
	u8 addr2[6];
	u8 addr3[6];
	__le16 seq_ctrl;
} __packed __aligned(2);

struct ieee80211_qos_hdr {
	__le16 frame_control;
	__le16 duration_id;
	u8 addr1[6];
	u8 addr2[6];
	u8 addr3[6];
	__le16 seq_ctrl;
	__le16 qos_ctrl;
} __packed __aligned(2);

/**
 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
 * @fc: frame control bytes in little-endian byteorder
 */
static inline int ieee80211_has_tods(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
}

/**
 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
 * @fc: frame control bytes in little-endian byteorder
 */
static inline int ieee80211_has_fromds(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
}

/**
 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
 * @fc: frame control bytes in little-endian byteorder
 */
static inline int ieee80211_has_a4(__le16 fc)
{
	__le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
	return (fc & tmp) == tmp;
}

/**
 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
 * @fc: frame control bytes in little-endian byteorder
 */
static inline int ieee80211_has_morefrags(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
}

/**
 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
 * @fc: frame control bytes in little-endian byteorder
 */
static inline int ieee80211_has_retry(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
}

/**
 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
 * @fc: frame control bytes in little-endian byteorder
 */
static inline int ieee80211_has_pm(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
}

/**
 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
 * @fc: frame control bytes in little-endian byteorder
 */
static inline int ieee80211_has_moredata(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
}

/**
 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
 * @fc: frame control bytes in little-endian byteorder
 */
static inline int ieee80211_has_protected(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
}

/**
 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
 * @fc: frame control bytes in little-endian byteorder
 */
static inline int ieee80211_has_order(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
}

/**
 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
 * @fc: frame control bytes in little-endian byteorder
 */
static inline int ieee80211_is_mgmt(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_MGMT);
}

/**
 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
 * @fc: frame control bytes in little-endian byteorder
 */
static inline int ieee80211_is_ctl(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_CTL);
}

/**
 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
 * @fc: frame control bytes in little-endian byteorder
 */
static inline int ieee80211_is_data(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_DATA);
}

/**
 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
 * @fc: frame control bytes in little-endian byteorder
 */
static inline int ieee80211_is_data_qos(__le16 fc)
{
	/*
	 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
	 * to check the one bit
	 */
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
	       cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
}

/**
 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
 * @fc: frame control bytes in little-endian byteorder
 */
static inline int ieee80211_is_data_present(__le16 fc)
{
	/*
	 * mask with 0x40 and test that that bit is clear to only return true
	 * for the data-containing substypes.
	 */
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
	       cpu_to_le16(IEEE80211_FTYPE_DATA);
}

/**
 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
 * @fc: frame control bytes in little-endian byteorder
 */
static inline int ieee80211_is_assoc_req(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
}

/**
 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
 * @fc: frame control bytes in little-endian byteorder
 */
static inline int ieee80211_is_assoc_resp(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
}

/**
 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
 * @fc: frame control bytes in little-endian byteorder
 */
static inline int ieee80211_is_reassoc_req(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
}

/**
 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
 * @fc: frame control bytes in little-endian byteorder
 */
static inline int ieee80211_is_reassoc_resp(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
}

/**
 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
 * @fc: frame control bytes in little-endian byteorder
 */
static inline int ieee80211_is_probe_req(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
}

/**
 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
 * @fc: frame control bytes in little-endian byteorder
 */
static inline int ieee80211_is_probe_resp(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
}

/**
 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
 * @fc: frame control bytes in little-endian byteorder
 */
static inline int ieee80211_is_beacon(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
}

/**
 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
 * @fc: frame control bytes in little-endian byteorder
 */
static inline int ieee80211_is_atim(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
}

/**
 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
 * @fc: frame control bytes in little-endian byteorder
 */
static inline int ieee80211_is_disassoc(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
}

/**
 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
 * @fc: frame control bytes in little-endian byteorder
 */
static inline int ieee80211_is_auth(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
}

/**
 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
 * @fc: frame control bytes in little-endian byteorder
 */
static inline int ieee80211_is_deauth(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
}

/**
 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
 * @fc: frame control bytes in little-endian byteorder
 */
static inline int ieee80211_is_action(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
}

/**
 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
 * @fc: frame control bytes in little-endian byteorder
 */
static inline int ieee80211_is_back_req(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
}

/**
 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
 * @fc: frame control bytes in little-endian byteorder
 */
static inline int ieee80211_is_back(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
}

/**
 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
 * @fc: frame control bytes in little-endian byteorder
 */
static inline int ieee80211_is_pspoll(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
}

/**
 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
 * @fc: frame control bytes in little-endian byteorder
 */
static inline int ieee80211_is_rts(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
}

/**
 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
 * @fc: frame control bytes in little-endian byteorder
 */
static inline int ieee80211_is_cts(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
}

/**
 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
 * @fc: frame control bytes in little-endian byteorder
 */
static inline int ieee80211_is_ack(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
}

/**
 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
 * @fc: frame control bytes in little-endian byteorder
 */
static inline int ieee80211_is_cfend(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
}

/**
 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
 * @fc: frame control bytes in little-endian byteorder
 */
static inline int ieee80211_is_cfendack(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
}

/**
 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
 * @fc: frame control bytes in little-endian byteorder
 */
static inline int ieee80211_is_nullfunc(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
}

/**
 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
 * @fc: frame control bytes in little-endian byteorder
 */
static inline int ieee80211_is_qos_nullfunc(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
}

/**
 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
 * @seq_ctrl: frame sequence control bytes in little-endian byteorder
 */
static inline int ieee80211_is_first_frag(__le16 seq_ctrl)
{
	return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
}

struct ieee80211s_hdr {
	u8 flags;
	u8 ttl;
	__le32 seqnum;
	u8 eaddr1[6];
	u8 eaddr2[6];
} __packed __aligned(2);

/* Mesh flags */
#define MESH_FLAGS_AE_A4 	0x1
#define MESH_FLAGS_AE_A5_A6	0x2
#define MESH_FLAGS_AE		0x3
#define MESH_FLAGS_PS_DEEP	0x4

/**
 * enum ieee80211_preq_flags - mesh PREQ element flags
 *
 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
 */
enum ieee80211_preq_flags {
	IEEE80211_PREQ_PROACTIVE_PREP_FLAG	= 1<<2,
};

/**
 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
 *
 * @IEEE80211_PREQ_TO_FLAG: target only subfield
 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
 */
enum ieee80211_preq_target_flags {
	IEEE80211_PREQ_TO_FLAG	= 1<<0,
	IEEE80211_PREQ_USN_FLAG	= 1<<2,
};

/**
 * struct ieee80211_quiet_ie
 *
 * This structure refers to "Quiet information element"
 */
struct ieee80211_quiet_ie {
	u8 count;
	u8 period;
	__le16 duration;
	__le16 offset;
} __packed;

/**
 * struct ieee80211_msrment_ie
 *
 * This structure refers to "Measurement Request/Report information element"
 */
struct ieee80211_msrment_ie {
	u8 token;
	u8 mode;
	u8 type;
	u8 request[0];
} __packed;

/**
 * struct ieee80211_channel_sw_ie
 *
 * This structure refers to "Channel Switch Announcement information element"
 */
struct ieee80211_channel_sw_ie {
	u8 mode;
	u8 new_ch_num;
	u8 count;
} __packed;

/**
 * struct ieee80211_ext_chansw_ie
 *
 * This structure represents the "Extended Channel Switch Announcement element"
 */
struct ieee80211_ext_chansw_ie {
	u8 mode;
	u8 new_operating_class;
	u8 new_ch_num;
	u8 count;
} __packed;

/**
 * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
 * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
 *	values here
 * This structure represents the "Secondary Channel Offset element"
 */
struct ieee80211_sec_chan_offs_ie {
	u8 sec_chan_offs;
} __packed;

/**
 * struct ieee80211_tim
 *
 * This structure refers to "Traffic Indication Map information element"
 */
struct ieee80211_tim_ie {
	u8 dtim_count;
	u8 dtim_period;
	u8 bitmap_ctrl;
	/* variable size: 1 - 251 bytes */
	u8 virtual_map[1];
} __packed;

/**
 * struct ieee80211_meshconf_ie
 *
 * This structure refers to "Mesh Configuration information element"
 */
struct ieee80211_meshconf_ie {
	u8 meshconf_psel;
	u8 meshconf_pmetric;
	u8 meshconf_congest;
	u8 meshconf_synch;
	u8 meshconf_auth;
	u8 meshconf_form;
	u8 meshconf_cap;
} __packed;

/**
 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
 *
 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
 *	additional mesh peerings with other mesh STAs
 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
 *	is ongoing
 * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
 *	neighbors in deep sleep mode
 */
enum mesh_config_capab_flags {
	IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS		= 0x01,
	IEEE80211_MESHCONF_CAPAB_FORWARDING		= 0x08,
	IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING		= 0x20,
	IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL	= 0x40,
};

/**
 * struct ieee80211_rann_ie
 *
 * This structure refers to "Root Announcement information element"
 */
struct ieee80211_rann_ie {
	u8 rann_flags;
	u8 rann_hopcount;
	u8 rann_ttl;
	u8 rann_addr[6];
	__le32 rann_seq;
	__le32 rann_interval;
	__le32 rann_metric;
} __packed;

enum ieee80211_rann_flags {
	RANN_FLAG_IS_GATE = 1 << 0,
};

enum ieee80211_ht_chanwidth_values {
	IEEE80211_HT_CHANWIDTH_20MHZ = 0,
	IEEE80211_HT_CHANWIDTH_ANY = 1,
};

/**
 * enum ieee80211_opmode_bits - VHT operating mode field bits
 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
 *	(the NSS value is the value of this field + 1)
 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
 *	using a beamforming steering matrix
 */
enum ieee80211_vht_opmode_bits {
	IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK	= 3,
	IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ	= 0,
	IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ	= 1,
	IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ	= 2,
	IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ	= 3,
	IEEE80211_OPMODE_NOTIF_RX_NSS_MASK	= 0x70,
	IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT	= 4,
	IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF	= 0x80,
};

#define WLAN_SA_QUERY_TR_ID_LEN 2

struct ieee80211_mgmt {
	__le16 frame_control;
	__le16 duration;
	u8 da[6];
	u8 sa[6];
	u8 bssid[6];
	__le16 seq_ctrl;
	union {
		struct {
			__le16 auth_alg;
			__le16 auth_transaction;
			__le16 status_code;
			/* possibly followed by Challenge text */
			u8 variable[0];
		} __packed auth;
		struct {
			__le16 reason_code;
		} __packed deauth;
		struct {
			__le16 capab_info;
			__le16 listen_interval;
			/* followed by SSID and Supported rates */
			u8 variable[0];
		} __packed assoc_req;
		struct {
			__le16 capab_info;
			__le16 status_code;
			__le16 aid;
			/* followed by Supported rates */
			u8 variable[0];
		} __packed assoc_resp, reassoc_resp;
		struct {
			__le16 capab_info;
			__le16 listen_interval;
			u8 current_ap[6];
			/* followed by SSID and Supported rates */
			u8 variable[0];
		} __packed reassoc_req;
		struct {
			__le16 reason_code;
		} __packed disassoc;
		struct {
			__le64 timestamp;
			__le16 beacon_int;
			__le16 capab_info;
			/* followed by some of SSID, Supported rates,
			 * FH Params, DS Params, CF Params, IBSS Params, TIM */
			u8 variable[0];
		} __packed beacon;
		struct {
			/* only variable items: SSID, Supported rates */
			u8 variable[0];
		} __packed probe_req;
		struct {
			__le64 timestamp;
			__le16 beacon_int;
			__le16 capab_info;
			/* followed by some of SSID, Supported rates,
			 * FH Params, DS Params, CF Params, IBSS Params */
			u8 variable[0];
		} __packed probe_resp;
		struct {
			u8 category;
			union {
				struct {
					u8 action_code;
					u8 dialog_token;
					u8 status_code;
					u8 variable[0];
				} __packed wme_action;
				struct{
					u8 action_code;
					u8 variable[0];
				} __packed chan_switch;
				struct{
					u8 action_code;
					struct ieee80211_ext_chansw_ie data;
					u8 variable[0];
				} __packed ext_chan_switch;
				struct{
					u8 action_code;
					u8 dialog_token;
					u8 element_id;
					u8 length;
					struct ieee80211_msrment_ie msr_elem;
				} __packed measurement;
				struct{
					u8 action_code;
					u8 dialog_token;
					__le16 capab;
					__le16 timeout;
					__le16 start_seq_num;
				} __packed addba_req;
				struct{
					u8 action_code;
					u8 dialog_token;
					__le16 status;
					__le16 capab;
					__le16 timeout;
				} __packed addba_resp;
				struct{
					u8 action_code;
					__le16 params;
					__le16 reason_code;
				} __packed delba;
				struct {
					u8 action_code;
					u8 variable[0];
				} __packed self_prot;
				struct{
					u8 action_code;
					u8 variable[0];
				} __packed mesh_action;
				struct {
					u8 action;
					u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
				} __packed sa_query;
				struct {
					u8 action;
					u8 smps_control;
				} __packed ht_smps;
				struct {
					u8 action_code;
					u8 chanwidth;
				} __packed ht_notify_cw;
				struct {
					u8 action_code;
					u8 dialog_token;
					__le16 capability;
					u8 variable[0];
				} __packed tdls_discover_resp;
				struct {
					u8 action_code;
					u8 operating_mode;
				} __packed vht_opmode_notif;
			} u;
		} __packed action;
	} u;
} __packed __aligned(2);

/* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */
#define BSS_MEMBERSHIP_SELECTOR_HT_PHY	127

/* mgmt header + 1 byte category code */
#define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)


/* Management MIC information element (IEEE 802.11w) */
struct ieee80211_mmie {
	u8 element_id;
	u8 length;
	__le16 key_id;
	u8 sequence_number[6];
	u8 mic[8];
} __packed;

struct ieee80211_vendor_ie {
	u8 element_id;
	u8 len;
	u8 oui[3];
	u8 oui_type;
} __packed;

/* Control frames */
struct ieee80211_rts {
	__le16 frame_control;
	__le16 duration;
	u8 ra[6];
	u8 ta[6];
} __packed __aligned(2);

struct ieee80211_cts {
	__le16 frame_control;
	__le16 duration;
	u8 ra[6];
} __packed __aligned(2);

struct ieee80211_pspoll {
	__le16 frame_control;
	__le16 aid;
	u8 bssid[6];
	u8 ta[6];
} __packed __aligned(2);

/* TDLS */

/* Link-id information element */
struct ieee80211_tdls_lnkie {
	u8 ie_type; /* Link Identifier IE */
	u8 ie_len;
	u8 bssid[6];
	u8 init_sta[6];
	u8 resp_sta[6];
} __packed;

struct ieee80211_tdls_data {
	u8 da[6];
	u8 sa[6];
	__be16 ether_type;
	u8 payload_type;
	u8 category;
	u8 action_code;
	union {
		struct {
			u8 dialog_token;
			__le16 capability;
			u8 variable[0];
		} __packed setup_req;
		struct {
			__le16 status_code;
			u8 dialog_token;
			__le16 capability;
			u8 variable[0];
		} __packed setup_resp;
		struct {
			__le16 status_code;
			u8 dialog_token;
			u8 variable[0];
		} __packed setup_cfm;
		struct {
			__le16 reason_code;
			u8 variable[0];
		} __packed teardown;
		struct {
			u8 dialog_token;
			u8 variable[0];
		} __packed discover_req;
	} u;
} __packed;

/*
 * Peer-to-Peer IE attribute related definitions.
 */
/**
 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
 */
enum ieee80211_p2p_attr_id {
	IEEE80211_P2P_ATTR_STATUS = 0,
	IEEE80211_P2P_ATTR_MINOR_REASON,
	IEEE80211_P2P_ATTR_CAPABILITY,
	IEEE80211_P2P_ATTR_DEVICE_ID,
	IEEE80211_P2P_ATTR_GO_INTENT,
	IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
	IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
	IEEE80211_P2P_ATTR_GROUP_BSSID,
	IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
	IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
	IEEE80211_P2P_ATTR_MANAGABILITY,
	IEEE80211_P2P_ATTR_CHANNEL_LIST,
	IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
	IEEE80211_P2P_ATTR_DEVICE_INFO,
	IEEE80211_P2P_ATTR_GROUP_INFO,
	IEEE80211_P2P_ATTR_GROUP_ID,
	IEEE80211_P2P_ATTR_INTERFACE,
	IEEE80211_P2P_ATTR_OPER_CHANNEL,
	IEEE80211_P2P_ATTR_INVITE_FLAGS,
	/* 19 - 220: Reserved */
	IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,

	IEEE80211_P2P_ATTR_MAX
};

/* Notice of Absence attribute - described in P2P spec 4.1.14 */
/* Typical max value used here */
#define IEEE80211_P2P_NOA_DESC_MAX	4

struct ieee80211_p2p_noa_desc {
	u8 count;
	__le32 duration;
	__le32 interval;
	__le32 start_time;
} __packed;

struct ieee80211_p2p_noa_attr {
	u8 index;
	u8 oppps_ctwindow;
	struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
} __packed;

#define IEEE80211_P2P_OPPPS_ENABLE_BIT		BIT(7)
#define IEEE80211_P2P_OPPPS_CTWINDOW_MASK	0x7F

/**
 * struct ieee80211_bar - HT Block Ack Request
 *
 * This structure refers to "HT BlockAckReq" as
 * described in 802.11n draft section 7.2.1.7.1
 */
struct ieee80211_bar {
	__le16 frame_control;
	__le16 duration;
	__u8 ra[6];
	__u8 ta[6];
	__le16 control;
	__le16 start_seq_num;
} __packed;

/* 802.11 BAR control masks */
#define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL	0x0000
#define IEEE80211_BAR_CTRL_MULTI_TID		0x0002
#define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA	0x0004
#define IEEE80211_BAR_CTRL_TID_INFO_MASK	0xf000
#define IEEE80211_BAR_CTRL_TID_INFO_SHIFT	12

#define IEEE80211_HT_MCS_MASK_LEN		10

/**
 * struct ieee80211_mcs_info - MCS information
 * @rx_mask: RX mask
 * @rx_highest: highest supported RX rate. If set represents
 *	the highest supported RX data rate in units of 1 Mbps.
 *	If this field is 0 this value should not be used to
 *	consider the highest RX data rate supported.
 * @tx_params: TX parameters
 */
struct ieee80211_mcs_info {
	u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
	__le16 rx_highest;
	u8 tx_params;
	u8 reserved[3];
} __packed;

/* 802.11n HT capability MSC set */
#define IEEE80211_HT_MCS_RX_HIGHEST_MASK	0x3ff
#define IEEE80211_HT_MCS_TX_DEFINED		0x01
#define IEEE80211_HT_MCS_TX_RX_DIFF		0x02
/* value 0 == 1 stream etc */
#define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK	0x0C
#define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT	2
#define		IEEE80211_HT_MCS_TX_MAX_STREAMS	4
#define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION	0x10

/*
 * 802.11n D5.0 20.3.5 / 20.6 says:
 * - indices 0 to 7 and 32 are single spatial stream
 * - 8 to 31 are multiple spatial streams using equal modulation
 *   [8..15 for two streams, 16..23 for three and 24..31 for four]
 * - remainder are multiple spatial streams using unequal modulation
 */
#define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
#define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
	(IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)

/**
 * struct ieee80211_ht_cap - HT capabilities
 *
 * This structure is the "HT capabilities element" as
 * described in 802.11n D5.0 7.3.2.57
 */
struct ieee80211_ht_cap {
	__le16 cap_info;
	u8 ampdu_params_info;

	/* 16 bytes MCS information */
	struct ieee80211_mcs_info mcs;

	__le16 extended_ht_cap_info;
	__le32 tx_BF_cap_info;
	u8 antenna_selection_info;
} __packed;

/* 802.11n HT capabilities masks (for cap_info) */
#define IEEE80211_HT_CAP_LDPC_CODING		0x0001
#define IEEE80211_HT_CAP_SUP_WIDTH_20_40	0x0002
#define IEEE80211_HT_CAP_SM_PS			0x000C
#define		IEEE80211_HT_CAP_SM_PS_SHIFT	2
#define IEEE80211_HT_CAP_GRN_FLD		0x0010
#define IEEE80211_HT_CAP_SGI_20			0x0020
#define IEEE80211_HT_CAP_SGI_40			0x0040
#define IEEE80211_HT_CAP_TX_STBC		0x0080
#define IEEE80211_HT_CAP_RX_STBC		0x0300
#define		IEEE80211_HT_CAP_RX_STBC_SHIFT	8
#define IEEE80211_HT_CAP_DELAY_BA		0x0400
#define IEEE80211_HT_CAP_MAX_AMSDU		0x0800
#define IEEE80211_HT_CAP_DSSSCCK40		0x1000
#define IEEE80211_HT_CAP_RESERVED		0x2000
#define IEEE80211_HT_CAP_40MHZ_INTOLERANT	0x4000
#define IEEE80211_HT_CAP_LSIG_TXOP_PROT		0x8000

/* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
#define IEEE80211_HT_EXT_CAP_PCO		0x0001
#define IEEE80211_HT_EXT_CAP_PCO_TIME		0x0006
#define		IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT	1
#define IEEE80211_HT_EXT_CAP_MCS_FB		0x0300
#define		IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT	8
#define IEEE80211_HT_EXT_CAP_HTC_SUP		0x0400
#define IEEE80211_HT_EXT_CAP_RD_RESPONDER	0x0800

/* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
#define IEEE80211_HT_AMPDU_PARM_FACTOR		0x03
#define IEEE80211_HT_AMPDU_PARM_DENSITY		0x1C
#define		IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT	2

/*
 * Maximum length of AMPDU that the STA can receive.
 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
 */
enum ieee80211_max_ampdu_length_exp {
	IEEE80211_HT_MAX_AMPDU_8K = 0,
	IEEE80211_HT_MAX_AMPDU_16K = 1,
	IEEE80211_HT_MAX_AMPDU_32K = 2,
	IEEE80211_HT_MAX_AMPDU_64K = 3
};

#define IEEE80211_HT_MAX_AMPDU_FACTOR 13

/* Minimum MPDU start spacing */
enum ieee80211_min_mpdu_spacing {
	IEEE80211_HT_MPDU_DENSITY_NONE = 0,	/* No restriction */
	IEEE80211_HT_MPDU_DENSITY_0_25 = 1,	/* 1/4 usec */
	IEEE80211_HT_MPDU_DENSITY_0_5 = 2,	/* 1/2 usec */
	IEEE80211_HT_MPDU_DENSITY_1 = 3,	/* 1 usec */
	IEEE80211_HT_MPDU_DENSITY_2 = 4,	/* 2 usec */
	IEEE80211_HT_MPDU_DENSITY_4 = 5,	/* 4 usec */
	IEEE80211_HT_MPDU_DENSITY_8 = 6,	/* 8 usec */
	IEEE80211_HT_MPDU_DENSITY_16 = 7	/* 16 usec */
};

/**
 * struct ieee80211_ht_operation - HT operation IE
 *
 * This structure is the "HT operation element" as
 * described in 802.11n-2009 7.3.2.57
 */
struct ieee80211_ht_operation {
	u8 primary_chan;
	u8 ht_param;
	__le16 operation_mode;
	__le16 stbc_param;
	u8 basic_set[16];
} __packed;

/* for ht_param */
#define IEEE80211_HT_PARAM_CHA_SEC_OFFSET		0x03
#define		IEEE80211_HT_PARAM_CHA_SEC_NONE		0x00
#define		IEEE80211_HT_PARAM_CHA_SEC_ABOVE	0x01
#define		IEEE80211_HT_PARAM_CHA_SEC_BELOW	0x03
#define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY		0x04
#define IEEE80211_HT_PARAM_RIFS_MODE			0x08

/* for operation_mode */
#define IEEE80211_HT_OP_MODE_PROTECTION			0x0003
#define		IEEE80211_HT_OP_MODE_PROTECTION_NONE		0
#define		IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER	1
#define		IEEE80211_HT_OP_MODE_PROTECTION_20MHZ		2
#define		IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED	3
#define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT		0x0004
#define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT		0x0010

/* for stbc_param */
#define IEEE80211_HT_STBC_PARAM_DUAL_BEACON		0x0040
#define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT		0x0080
#define IEEE80211_HT_STBC_PARAM_STBC_BEACON		0x0100
#define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT	0x0200
#define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE		0x0400
#define IEEE80211_HT_STBC_PARAM_PCO_PHASE		0x0800


/* block-ack parameters */
#define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
#define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
#define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
#define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800

/*
 * A-PMDU buffer sizes
 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
 */
#define IEEE80211_MIN_AMPDU_BUF 0x8
#define IEEE80211_MAX_AMPDU_BUF 0x40


/* Spatial Multiplexing Power Save Modes (for capability) */
#define WLAN_HT_CAP_SM_PS_STATIC	0
#define WLAN_HT_CAP_SM_PS_DYNAMIC	1
#define WLAN_HT_CAP_SM_PS_INVALID	2
#define WLAN_HT_CAP_SM_PS_DISABLED	3

/* for SM power control field lower two bits */
#define WLAN_HT_SMPS_CONTROL_DISABLED	0
#define WLAN_HT_SMPS_CONTROL_STATIC	1
#define WLAN_HT_SMPS_CONTROL_DYNAMIC	3

/**
 * struct ieee80211_vht_mcs_info - VHT MCS information
 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
 * @rx_highest: Indicates highest long GI VHT PPDU data rate
 *	STA can receive. Rate expressed in units of 1 Mbps.
 *	If this field is 0 this value should not be used to
 *	consider the highest RX data rate supported.
 *	The top 3 bits of this field are reserved.
 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
 * @tx_highest: Indicates highest long GI VHT PPDU data rate
 *	STA can transmit. Rate expressed in units of 1 Mbps.
 *	If this field is 0 this value should not be used to
 *	consider the highest TX data rate supported.
 *	The top 3 bits of this field are reserved.
 */
struct ieee80211_vht_mcs_info {
	__le16 rx_mcs_map;
	__le16 rx_highest;
	__le16 tx_mcs_map;
	__le16 tx_highest;
} __packed;

/**
 * enum ieee80211_vht_mcs_support - VHT MCS support definitions
 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
 *	number of streams
 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
 *
 * These definitions are used in each 2-bit subfield of the @rx_mcs_map
 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
 * both split into 8 subfields by number of streams. These values indicate
 * which MCSes are supported for the number of streams the value appears
 * for.
 */
enum ieee80211_vht_mcs_support {
	IEEE80211_VHT_MCS_SUPPORT_0_7	= 0,
	IEEE80211_VHT_MCS_SUPPORT_0_8	= 1,
	IEEE80211_VHT_MCS_SUPPORT_0_9	= 2,
	IEEE80211_VHT_MCS_NOT_SUPPORTED	= 3,
};

/**
 * struct ieee80211_vht_cap - VHT capabilities
 *
 * This structure is the "VHT capabilities element" as
 * described in 802.11ac D3.0 8.4.2.160
 * @vht_cap_info: VHT capability info
 * @supp_mcs: VHT MCS supported rates
 */
struct ieee80211_vht_cap {
	__le32 vht_cap_info;
	struct ieee80211_vht_mcs_info supp_mcs;
} __packed;

/**
 * enum ieee80211_vht_chanwidth - VHT channel width
 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
 *	determine the channel width (20 or 40 MHz)
 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
 */
enum ieee80211_vht_chanwidth {
	IEEE80211_VHT_CHANWIDTH_USE_HT		= 0,
	IEEE80211_VHT_CHANWIDTH_80MHZ		= 1,
	IEEE80211_VHT_CHANWIDTH_160MHZ		= 2,
	IEEE80211_VHT_CHANWIDTH_80P80MHZ	= 3,
};

/**
 * struct ieee80211_vht_operation - VHT operation IE
 *
 * This structure is the "VHT operation element" as
 * described in 802.11ac D3.0 8.4.2.161
 * @chan_width: Operating channel width
 * @center_freq_seg1_idx: center freq segment 1 index
 * @center_freq_seg2_idx: center freq segment 2 index
 * @basic_mcs_set: VHT Basic MCS rate set
 */
struct ieee80211_vht_operation {
	u8 chan_width;
	u8 center_freq_seg1_idx;
	u8 center_freq_seg2_idx;
	__le16 basic_mcs_set;
} __packed;


/* 802.11ac VHT Capabilities */
#define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895			0x00000000
#define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991			0x00000001
#define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454			0x00000002
#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ		0x00000004
#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ	0x00000008
#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK			0x0000000C
#define IEEE80211_VHT_CAP_RXLDPC				0x00000010
#define IEEE80211_VHT_CAP_SHORT_GI_80				0x00000020
#define IEEE80211_VHT_CAP_SHORT_GI_160				0x00000040
#define IEEE80211_VHT_CAP_TXSTBC				0x00000080
#define IEEE80211_VHT_CAP_RXSTBC_1				0x00000100
#define IEEE80211_VHT_CAP_RXSTBC_2				0x00000200
#define IEEE80211_VHT_CAP_RXSTBC_3				0x00000300
#define IEEE80211_VHT_CAP_RXSTBC_4				0x00000400
#define IEEE80211_VHT_CAP_RXSTBC_MASK				0x00000700
#define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE			0x00000800
#define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE			0x00001000
#define IEEE80211_VHT_CAP_BEAMFORMER_ANTENNAS_MAX		0x00006000
#define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MAX		0x00030000
#define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE			0x00080000
#define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE			0x00100000
#define IEEE80211_VHT_CAP_VHT_TXOP_PS				0x00200000
#define IEEE80211_VHT_CAP_HTC_VHT				0x00400000
#define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT	23
#define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK	\
		(7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
#define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB	0x08000000
#define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB	0x0c000000
#define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN			0x10000000
#define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN			0x20000000

/* Authentication algorithms */
#define WLAN_AUTH_OPEN 0
#define WLAN_AUTH_SHARED_KEY 1
#define WLAN_AUTH_FT 2
#define WLAN_AUTH_SAE 3
#define WLAN_AUTH_LEAP 128

#define WLAN_AUTH_CHALLENGE_LEN 128

#define WLAN_CAPABILITY_ESS		(1<<0)
#define WLAN_CAPABILITY_IBSS		(1<<1)

/*
 * A mesh STA sets the ESS and IBSS capability bits to zero.
 * however, this holds true for p2p probe responses (in the p2p_find
 * phase) as well.
 */
#define WLAN_CAPABILITY_IS_STA_BSS(cap)	\
	(!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))

#define WLAN_CAPABILITY_CF_POLLABLE	(1<<2)
#define WLAN_CAPABILITY_CF_POLL_REQUEST	(1<<3)
#define WLAN_CAPABILITY_PRIVACY		(1<<4)
#define WLAN_CAPABILITY_SHORT_PREAMBLE	(1<<5)
#define WLAN_CAPABILITY_PBCC		(1<<6)
#define WLAN_CAPABILITY_CHANNEL_AGILITY	(1<<7)

/* 802.11h */
#define WLAN_CAPABILITY_SPECTRUM_MGMT	(1<<8)
#define WLAN_CAPABILITY_QOS		(1<<9)
#define WLAN_CAPABILITY_SHORT_SLOT_TIME	(1<<10)
#define WLAN_CAPABILITY_APSD		(1<<11)
#define WLAN_CAPABILITY_RADIO_MEASURE	(1<<12)
#define WLAN_CAPABILITY_DSSS_OFDM	(1<<13)
#define WLAN_CAPABILITY_DEL_BACK	(1<<14)
#define WLAN_CAPABILITY_IMM_BACK	(1<<15)

/* DMG (60gHz) 802.11ad */
/* type - bits 0..1 */
#define WLAN_CAPABILITY_DMG_TYPE_MASK		(3<<0)
#define WLAN_CAPABILITY_DMG_TYPE_IBSS		(1<<0) /* Tx by: STA */
#define WLAN_CAPABILITY_DMG_TYPE_PBSS		(2<<0) /* Tx by: PCP */
#define WLAN_CAPABILITY_DMG_TYPE_AP		(3<<0) /* Tx by: AP */

#define WLAN_CAPABILITY_DMG_CBAP_ONLY		(1<<2)
#define WLAN_CAPABILITY_DMG_CBAP_SOURCE		(1<<3)
#define WLAN_CAPABILITY_DMG_PRIVACY		(1<<4)
#define WLAN_CAPABILITY_DMG_ECPAC		(1<<5)

#define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT	(1<<8)
#define WLAN_CAPABILITY_DMG_RADIO_MEASURE	(1<<12)

/* measurement */
#define IEEE80211_SPCT_MSR_RPRT_MODE_LATE	(1<<0)
#define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE	(1<<1)
#define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED	(1<<2)

#define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC	0
#define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA	1
#define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI	2

/* 802.11g ERP information element */
#define WLAN_ERP_NON_ERP_PRESENT (1<<0)
#define WLAN_ERP_USE_PROTECTION (1<<1)
#define WLAN_ERP_BARKER_PREAMBLE (1<<2)

/* WLAN_ERP_BARKER_PREAMBLE values */
enum {
	WLAN_ERP_PREAMBLE_SHORT = 0,
	WLAN_ERP_PREAMBLE_LONG = 1,
};

/* Band ID, 802.11ad #8.4.1.45 */
enum {
	IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
	IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
	IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
	IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
	IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
	IEEE80211_BANDID_60G   = 5, /* 60 GHz */
};

/* Status codes */
enum ieee80211_statuscode {
	WLAN_STATUS_SUCCESS = 0,
	WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
	WLAN_STATUS_CAPS_UNSUPPORTED = 10,
	WLAN_STATUS_REASSOC_NO_ASSOC = 11,
	WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
	WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
	WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
	WLAN_STATUS_CHALLENGE_FAIL = 15,
	WLAN_STATUS_AUTH_TIMEOUT = 16,
	WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
	WLAN_STATUS_ASSOC_DENIED_RATES = 18,
	/* 802.11b */
	WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
	WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
	WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
	/* 802.11h */
	WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
	WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
	WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
	/* 802.11g */
	WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
	WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
	/* 802.11w */
	WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
	WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
	/* 802.11i */
	WLAN_STATUS_INVALID_IE = 40,
	WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
	WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
	WLAN_STATUS_INVALID_AKMP = 43,
	WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
	WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
	WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
	/* 802.11e */
	WLAN_STATUS_UNSPECIFIED_QOS = 32,
	WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
	WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
	WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
	WLAN_STATUS_REQUEST_DECLINED = 37,
	WLAN_STATUS_INVALID_QOS_PARAM = 38,
	WLAN_STATUS_CHANGE_TSPEC = 39,
	WLAN_STATUS_WAIT_TS_DELAY = 47,
	WLAN_STATUS_NO_DIRECT_LINK = 48,
	WLAN_STATUS_STA_NOT_PRESENT = 49,
	WLAN_STATUS_STA_NOT_QSTA = 50,
	/* 802.11s */
	WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
	WLAN_STATUS_FCG_NOT_SUPP = 78,
	WLAN_STATUS_STA_NO_TBTT = 78,
	/* 802.11ad */
	WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
	WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
	WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
	WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
	WLAN_STATUS_PERFORMING_FST_NOW = 87,
	WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
	WLAN_STATUS_REJECT_U_PID_SETTING = 89,
	WLAN_STATUS_REJECT_DSE_BAND = 96,
	WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
	WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
};


/* Reason codes */
enum ieee80211_reasoncode {
	WLAN_REASON_UNSPECIFIED = 1,
	WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
	WLAN_REASON_DEAUTH_LEAVING = 3,
	WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
	WLAN_REASON_DISASSOC_AP_BUSY = 5,
	WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
	WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
	WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
	WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
	/* 802.11h */
	WLAN_REASON_DISASSOC_BAD_POWER = 10,
	WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
	/* 802.11i */
	WLAN_REASON_INVALID_IE = 13,
	WLAN_REASON_MIC_FAILURE = 14,
	WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
	WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
	WLAN_REASON_IE_DIFFERENT = 17,
	WLAN_REASON_INVALID_GROUP_CIPHER = 18,
	WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
	WLAN_REASON_INVALID_AKMP = 20,
	WLAN_REASON_UNSUPP_RSN_VERSION = 21,
	WLAN_REASON_INVALID_RSN_IE_CAP = 22,
	WLAN_REASON_IEEE8021X_FAILED = 23,
	WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
	/* 802.11e */
	WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
	WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
	WLAN_REASON_DISASSOC_LOW_ACK = 34,
	WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
	WLAN_REASON_QSTA_LEAVE_QBSS = 36,
	WLAN_REASON_QSTA_NOT_USE = 37,
	WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
	WLAN_REASON_QSTA_TIMEOUT = 39,
	WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
	/* 802.11s */
	WLAN_REASON_MESH_PEER_CANCELED = 52,
	WLAN_REASON_MESH_MAX_PEERS = 53,
	WLAN_REASON_MESH_CONFIG = 54,
	WLAN_REASON_MESH_CLOSE = 55,
	WLAN_REASON_MESH_MAX_RETRIES = 56,
	WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
	WLAN_REASON_MESH_INVALID_GTK = 58,
	WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
	WLAN_REASON_MESH_INVALID_SECURITY = 60,
	WLAN_REASON_MESH_PATH_ERROR = 61,
	WLAN_REASON_MESH_PATH_NOFORWARD = 62,
	WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
	WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
	WLAN_REASON_MESH_CHAN_REGULATORY = 65,
	WLAN_REASON_MESH_CHAN = 66,
};


/* Information Element IDs */
enum ieee80211_eid {
	WLAN_EID_SSID = 0,
	WLAN_EID_SUPP_RATES = 1,
	WLAN_EID_FH_PARAMS = 2,
	WLAN_EID_DS_PARAMS = 3,
	WLAN_EID_CF_PARAMS = 4,
	WLAN_EID_TIM = 5,
	WLAN_EID_IBSS_PARAMS = 6,
	WLAN_EID_CHALLENGE = 16,

	WLAN_EID_COUNTRY = 7,
	WLAN_EID_HP_PARAMS = 8,
	WLAN_EID_HP_TABLE = 9,
	WLAN_EID_REQUEST = 10,

	WLAN_EID_QBSS_LOAD = 11,
	WLAN_EID_EDCA_PARAM_SET = 12,
	WLAN_EID_TSPEC = 13,
	WLAN_EID_TCLAS = 14,
	WLAN_EID_SCHEDULE = 15,
	WLAN_EID_TS_DELAY = 43,
	WLAN_EID_TCLAS_PROCESSING = 44,
	WLAN_EID_QOS_CAPA = 46,
	/* 802.11z */
	WLAN_EID_LINK_ID = 101,
	/* 802.11s */
	WLAN_EID_MESH_CONFIG = 113,
	WLAN_EID_MESH_ID = 114,
	WLAN_EID_LINK_METRIC_REPORT = 115,
	WLAN_EID_CONGESTION_NOTIFICATION = 116,
	WLAN_EID_PEER_MGMT = 117,
	WLAN_EID_CHAN_SWITCH_PARAM = 118,
	WLAN_EID_MESH_AWAKE_WINDOW = 119,
	WLAN_EID_BEACON_TIMING = 120,
	WLAN_EID_MCCAOP_SETUP_REQ = 121,
	WLAN_EID_MCCAOP_SETUP_RESP = 122,
	WLAN_EID_MCCAOP_ADVERT = 123,
	WLAN_EID_MCCAOP_TEARDOWN = 124,
	WLAN_EID_GANN = 125,
	WLAN_EID_RANN = 126,
	WLAN_EID_PREQ = 130,
	WLAN_EID_PREP = 131,
	WLAN_EID_PERR = 132,
	WLAN_EID_PXU = 137,
	WLAN_EID_PXUC = 138,
	WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
	WLAN_EID_MIC = 140,

	WLAN_EID_PWR_CONSTRAINT = 32,
	WLAN_EID_PWR_CAPABILITY = 33,
	WLAN_EID_TPC_REQUEST = 34,
	WLAN_EID_TPC_REPORT = 35,
	WLAN_EID_SUPPORTED_CHANNELS = 36,
	WLAN_EID_CHANNEL_SWITCH = 37,
	WLAN_EID_MEASURE_REQUEST = 38,
	WLAN_EID_MEASURE_REPORT = 39,
	WLAN_EID_QUIET = 40,
	WLAN_EID_IBSS_DFS = 41,

	WLAN_EID_ERP_INFO = 42,
	WLAN_EID_EXT_SUPP_RATES = 50,

	WLAN_EID_HT_CAPABILITY = 45,
	WLAN_EID_HT_OPERATION = 61,
	WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,

	WLAN_EID_RSN = 48,
	WLAN_EID_MMIE = 76,
	WLAN_EID_VENDOR_SPECIFIC = 221,
	WLAN_EID_QOS_PARAMETER = 222,

	WLAN_EID_AP_CHAN_REPORT = 51,
	WLAN_EID_NEIGHBOR_REPORT = 52,
	WLAN_EID_RCPI = 53,
	WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
	WLAN_EID_ANTENNA_INFO = 64,
	WLAN_EID_RSNI = 65,
	WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
	WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
	WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
	WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
	WLAN_EID_MULTIPLE_BSSID = 71,
	WLAN_EID_BSS_COEX_2040 = 72,
	WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
	WLAN_EID_EXT_CAPABILITY = 127,

	WLAN_EID_MOBILITY_DOMAIN = 54,
	WLAN_EID_FAST_BSS_TRANSITION = 55,
	WLAN_EID_TIMEOUT_INTERVAL = 56,
	WLAN_EID_RIC_DATA = 57,
	WLAN_EID_RIC_DESCRIPTOR = 75,

	WLAN_EID_DSE_REGISTERED_LOCATION = 58,
	WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
	WLAN_EID_EXT_CHANSWITCH_ANN = 60,

	WLAN_EID_VHT_CAPABILITY = 191,
	WLAN_EID_VHT_OPERATION = 192,
	WLAN_EID_OPMODE_NOTIF = 199,

	/* 802.11ad */
	WLAN_EID_NON_TX_BSSID_CAP =  83,
	WLAN_EID_WAKEUP_SCHEDULE = 143,
	WLAN_EID_EXT_SCHEDULE = 144,
	WLAN_EID_STA_AVAILABILITY = 145,
	WLAN_EID_DMG_TSPEC = 146,
	WLAN_EID_DMG_AT = 147,
	WLAN_EID_DMG_CAP = 148,
	WLAN_EID_DMG_OPERATION = 151,
	WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
	WLAN_EID_DMG_BEAM_REFINEMENT = 153,
	WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
	WLAN_EID_AWAKE_WINDOW = 157,
	WLAN_EID_MULTI_BAND = 158,
	WLAN_EID_ADDBA_EXT = 159,
	WLAN_EID_NEXT_PCP_LIST = 160,
	WLAN_EID_PCP_HANDOVER = 161,
	WLAN_EID_DMG_LINK_MARGIN = 162,
	WLAN_EID_SWITCHING_STREAM = 163,
	WLAN_EID_SESSION_TRANSITION = 164,
	WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
	WLAN_EID_CLUSTER_REPORT = 166,
	WLAN_EID_RELAY_CAP = 167,
	WLAN_EID_RELAY_XFER_PARAM_SET = 168,
	WLAN_EID_BEAM_LINK_MAINT = 169,
	WLAN_EID_MULTIPLE_MAC_ADDR = 170,
	WLAN_EID_U_PID = 171,
	WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
	WLAN_EID_QUIET_PERIOD_REQ = 175,
	WLAN_EID_QUIET_PERIOD_RESP = 177,
	WLAN_EID_EPAC_POLICY = 182,
	WLAN_EID_CLISTER_TIME_OFF = 183,
	WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
};

/* Action category code */
enum ieee80211_category {
	WLAN_CATEGORY_SPECTRUM_MGMT = 0,
	WLAN_CATEGORY_QOS = 1,
	WLAN_CATEGORY_DLS = 2,
	WLAN_CATEGORY_BACK = 3,
	WLAN_CATEGORY_PUBLIC = 4,
	WLAN_CATEGORY_HT = 7,
	WLAN_CATEGORY_SA_QUERY = 8,
	WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
	WLAN_CATEGORY_TDLS = 12,
	WLAN_CATEGORY_MESH_ACTION = 13,
	WLAN_CATEGORY_MULTIHOP_ACTION = 14,
	WLAN_CATEGORY_SELF_PROTECTED = 15,
	WLAN_CATEGORY_DMG = 16,
	WLAN_CATEGORY_WMM = 17,
	WLAN_CATEGORY_FST = 18,
	WLAN_CATEGORY_UNPROT_DMG = 20,
	WLAN_CATEGORY_VHT = 21,
	WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
	WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
};

/* SPECTRUM_MGMT action code */
enum ieee80211_spectrum_mgmt_actioncode {
	WLAN_ACTION_SPCT_MSR_REQ = 0,
	WLAN_ACTION_SPCT_MSR_RPRT = 1,
	WLAN_ACTION_SPCT_TPC_REQ = 2,
	WLAN_ACTION_SPCT_TPC_RPRT = 3,
	WLAN_ACTION_SPCT_CHL_SWITCH = 4,
};

/* HT action codes */
enum ieee80211_ht_actioncode {
	WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
	WLAN_HT_ACTION_SMPS = 1,
	WLAN_HT_ACTION_PSMP = 2,
	WLAN_HT_ACTION_PCO_PHASE = 3,
	WLAN_HT_ACTION_CSI = 4,
	WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
	WLAN_HT_ACTION_COMPRESSED_BF = 6,
	WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
};

/* VHT action codes */
enum ieee80211_vht_actioncode {
	WLAN_VHT_ACTION_COMPRESSED_BF = 0,
	WLAN_VHT_ACTION_GROUPID_MGMT = 1,
	WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
};

/* Self Protected Action codes */
enum ieee80211_self_protected_actioncode {
	WLAN_SP_RESERVED = 0,
	WLAN_SP_MESH_PEERING_OPEN = 1,
	WLAN_SP_MESH_PEERING_CONFIRM = 2,
	WLAN_SP_MESH_PEERING_CLOSE = 3,
	WLAN_SP_MGK_INFORM = 4,
	WLAN_SP_MGK_ACK = 5,
};

/* Mesh action codes */
enum ieee80211_mesh_actioncode {
	WLAN_MESH_ACTION_LINK_METRIC_REPORT,
	WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
	WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
	WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
	WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
	WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
	WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
	WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
	WLAN_MESH_ACTION_MCCA_TEARDOWN,
	WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
	WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
};

/* Security key length */
enum ieee80211_key_len {
	WLAN_KEY_LEN_WEP40 = 5,
	WLAN_KEY_LEN_WEP104 = 13,
	WLAN_KEY_LEN_CCMP = 16,
	WLAN_KEY_LEN_TKIP = 32,
	WLAN_KEY_LEN_AES_CMAC = 16,
};

/* Public action codes */
enum ieee80211_pub_actioncode {
	WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
	WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
};

/* TDLS action codes */
enum ieee80211_tdls_actioncode {
	WLAN_TDLS_SETUP_REQUEST = 0,
	WLAN_TDLS_SETUP_RESPONSE = 1,
	WLAN_TDLS_SETUP_CONFIRM = 2,
	WLAN_TDLS_TEARDOWN = 3,
	WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
	WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
	WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
	WLAN_TDLS_PEER_PSM_REQUEST = 7,
	WLAN_TDLS_PEER_PSM_RESPONSE = 8,
	WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
	WLAN_TDLS_DISCOVERY_REQUEST = 10,
};

/*
 * TDLS capabililites to be enabled in the 5th byte of the
 * @WLAN_EID_EXT_CAPABILITY information element
 */
#define WLAN_EXT_CAPA5_TDLS_ENABLED	BIT(5)
#define WLAN_EXT_CAPA5_TDLS_PROHIBITED	BIT(6)

#define WLAN_EXT_CAPA8_OPMODE_NOTIF	BIT(6)

/* TDLS specific payload type in the LLC/SNAP header */
#define WLAN_TDLS_SNAP_RFTYPE	0x2

/**
 * enum - mesh synchronization method identifier
 *
 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
 *	that will be specified in a vendor specific information element
 */
enum {
	IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
	IEEE80211_SYNC_METHOD_VENDOR = 255,
};

/**
 * enum - mesh path selection protocol identifier
 *
 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
 *	be specified in a vendor specific information element
 */
enum {
	IEEE80211_PATH_PROTOCOL_HWMP = 1,
	IEEE80211_PATH_PROTOCOL_VENDOR = 255,
};

/**
 * enum - mesh path selection metric identifier
 *
 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
 *	specified in a vendor specific information element
 */
enum {
	IEEE80211_PATH_METRIC_AIRTIME = 1,
	IEEE80211_PATH_METRIC_VENDOR = 255,
};

/**
 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
 *
 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
 *
 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
 *	this value
 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
 *	the proactive PREQ with proactive PREP subfield set to 0
 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
 *	supports the proactive PREQ with proactive PREP subfield set to 1
 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
 *	the proactive RANN
 */
enum ieee80211_root_mode_identifier {
	IEEE80211_ROOTMODE_NO_ROOT = 0,
	IEEE80211_ROOTMODE_ROOT = 1,
	IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
	IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
	IEEE80211_PROACTIVE_RANN = 4,
};

/*
 * IEEE 802.11-2007 7.3.2.9 Country information element
 *
 * Minimum length is 8 octets, ie len must be evenly
 * divisible by 2
 */

/* Although the spec says 8 I'm seeing 6 in practice */
#define IEEE80211_COUNTRY_IE_MIN_LEN	6

/* The Country String field of the element shall be 3 octets in length */
#define IEEE80211_COUNTRY_STRING_LEN	3

/*
 * For regulatory extension stuff see IEEE 802.11-2007
 * Annex I (page 1141) and Annex J (page 1147). Also
 * review 7.3.2.9.
 *
 * When dot11RegulatoryClassesRequired is true and the
 * first_channel/reg_extension_id is >= 201 then the IE
 * compromises of the 'ext' struct represented below:
 *
 *  - Regulatory extension ID - when generating IE this just needs
 *    to be monotonically increasing for each triplet passed in
 *    the IE
 *  - Regulatory class - index into set of rules
 *  - Coverage class - index into air propagation time (Table 7-27),
 *    in microseconds, you can compute the air propagation time from
 *    the index by multiplying by 3, so index 10 yields a propagation
 *    of 10 us. Valid values are 0-31, values 32-255 are not defined
 *    yet. A value of 0 inicates air propagation of <= 1 us.
 *
 *  See also Table I.2 for Emission limit sets and table
 *  I.3 for Behavior limit sets. Table J.1 indicates how to map
 *  a reg_class to an emission limit set and behavior limit set.
 */
#define IEEE80211_COUNTRY_EXTENSION_ID 201

/*
 *  Channels numbers in the IE must be monotonically increasing
 *  if dot11RegulatoryClassesRequired is not true.
 *
 *  If dot11RegulatoryClassesRequired is true consecutive
 *  subband triplets following a regulatory triplet shall
 *  have monotonically increasing first_channel number fields.
 *
 *  Channel numbers shall not overlap.
 *
 *  Note that max_power is signed.
 */
struct ieee80211_country_ie_triplet {
	union {
		struct {
			u8 first_channel;
			u8 num_channels;
			s8 max_power;
		} __packed chans;
		struct {
			u8 reg_extension_id;
			u8 reg_class;
			u8 coverage_class;
		} __packed ext;
	};
} __packed;

enum ieee80211_timeout_interval_type {
	WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
	WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
	WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
};

/**
 * struct ieee80211_timeout_interval_ie - Timeout Interval element
 * @type: type, see &enum ieee80211_timeout_interval_type
 * @value: timeout interval value
 */
struct ieee80211_timeout_interval_ie {
	u8 type;
	__le32 value;
} __packed;

/* BACK action code */
enum ieee80211_back_actioncode {
	WLAN_ACTION_ADDBA_REQ = 0,
	WLAN_ACTION_ADDBA_RESP = 1,
	WLAN_ACTION_DELBA = 2,
};

/* BACK (block-ack) parties */
enum ieee80211_back_parties {
	WLAN_BACK_RECIPIENT = 0,
	WLAN_BACK_INITIATOR = 1,
};

/* SA Query action */
enum ieee80211_sa_query_action {
	WLAN_ACTION_SA_QUERY_REQUEST = 0,
	WLAN_ACTION_SA_QUERY_RESPONSE = 1,
};


/* cipher suite selectors */
#define WLAN_CIPHER_SUITE_USE_GROUP	0x000FAC00
#define WLAN_CIPHER_SUITE_WEP40		0x000FAC01
#define WLAN_CIPHER_SUITE_TKIP		0x000FAC02
/* reserved: 				0x000FAC03 */
#define WLAN_CIPHER_SUITE_CCMP		0x000FAC04
#define WLAN_CIPHER_SUITE_WEP104	0x000FAC05
#define WLAN_CIPHER_SUITE_AES_CMAC	0x000FAC06
#define WLAN_CIPHER_SUITE_GCMP		0x000FAC08

#define WLAN_CIPHER_SUITE_SMS4		0x00147201

/* AKM suite selectors */
#define WLAN_AKM_SUITE_8021X		0x000FAC01
#define WLAN_AKM_SUITE_PSK		0x000FAC02
#define WLAN_AKM_SUITE_8021X_SHA256	0x000FAC05
#define WLAN_AKM_SUITE_PSK_SHA256	0x000FAC06
#define WLAN_AKM_SUITE_TDLS		0x000FAC07
#define WLAN_AKM_SUITE_SAE		0x000FAC08
#define WLAN_AKM_SUITE_FT_OVER_SAE	0x000FAC09

#define WLAN_MAX_KEY_LEN		32

#define WLAN_PMKID_LEN			16

#define WLAN_OUI_WFA			0x506f9a
#define WLAN_OUI_TYPE_WFA_P2P		9
#define WLAN_OUI_MICROSOFT		0x0050f2
#define WLAN_OUI_TYPE_MICROSOFT_WPA	1
#define WLAN_OUI_TYPE_MICROSOFT_WMM	2
#define WLAN_OUI_TYPE_MICROSOFT_WPS	4

/*
 * WMM/802.11e Tspec Element
 */
#define IEEE80211_WMM_IE_TSPEC_TID_MASK		0x0F
#define IEEE80211_WMM_IE_TSPEC_TID_SHIFT	1

enum ieee80211_tspec_status_code {
	IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
	IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
};

struct ieee80211_tspec_ie {
	u8 element_id;
	u8 len;
	u8 oui[3];
	u8 oui_type;
	u8 oui_subtype;
	u8 version;
	__le16 tsinfo;
	u8 tsinfo_resvd;
	__le16 nominal_msdu;
	__le16 max_msdu;
	__le32 min_service_int;
	__le32 max_service_int;
	__le32 inactivity_int;
	__le32 suspension_int;
	__le32 service_start_time;
	__le32 min_data_rate;
	__le32 mean_data_rate;
	__le32 peak_data_rate;
	__le32 max_burst_size;
	__le32 delay_bound;
	__le32 min_phy_rate;
	__le16 sba;
	__le16 medium_time;
} __packed;

/**
 * ieee80211_get_qos_ctl - get pointer to qos control bytes
 * @hdr: the frame
 *
 * The qos ctrl bytes come after the frame_control, duration, seq_num
 * and 3 or 4 addresses of length ETH_ALEN.
 * 3 addr: 2 + 2 + 2 + 3*6 = 24
 * 4 addr: 2 + 2 + 2 + 4*6 = 30
 */
static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
{
	if (ieee80211_has_a4(hdr->frame_control))
		return (u8 *)hdr + 30;
	else
		return (u8 *)hdr + 24;
}

/**
 * ieee80211_get_SA - get pointer to SA
 * @hdr: the frame
 *
 * Given an 802.11 frame, this function returns the offset
 * to the source address (SA). It does not verify that the
 * header is long enough to contain the address, and the
 * header must be long enough to contain the frame control
 * field.
 */
static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
{
	if (ieee80211_has_a4(hdr->frame_control))
		return hdr->addr4;
	if (ieee80211_has_fromds(hdr->frame_control))
		return hdr->addr3;
	return hdr->addr2;
}

/**
 * ieee80211_get_DA - get pointer to DA
 * @hdr: the frame
 *
 * Given an 802.11 frame, this function returns the offset
 * to the destination address (DA). It does not verify that
 * the header is long enough to contain the address, and the
 * header must be long enough to contain the frame control
 * field.
 */
static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
{
	if (ieee80211_has_tods(hdr->frame_control))
		return hdr->addr3;
	else
		return hdr->addr1;
}

/**
 * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
 * @hdr: the frame (buffer must include at least the first octet of payload)
 */
static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
{
	if (ieee80211_is_disassoc(hdr->frame_control) ||
	    ieee80211_is_deauth(hdr->frame_control))
		return true;

	if (ieee80211_is_action(hdr->frame_control)) {
		u8 *category;

		/*
		 * Action frames, excluding Public Action frames, are Robust
		 * Management Frames. However, if we are looking at a Protected
		 * frame, skip the check since the data may be encrypted and
		 * the frame has already been found to be a Robust Management
		 * Frame (by the other end).
		 */
		if (ieee80211_has_protected(hdr->frame_control))
			return true;
		category = ((u8 *) hdr) + 24;
		return *category != WLAN_CATEGORY_PUBLIC &&
			*category != WLAN_CATEGORY_HT &&
			*category != WLAN_CATEGORY_SELF_PROTECTED &&
			*category != WLAN_CATEGORY_VENDOR_SPECIFIC;
	}

	return false;
}

/**
 * ieee80211_is_public_action - check if frame is a public action frame
 * @hdr: the frame
 * @len: length of the frame
 */
static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
					      size_t len)
{
	struct ieee80211_mgmt *mgmt = (void *)hdr;

	if (len < IEEE80211_MIN_ACTION_SIZE)
		return false;
	if (!ieee80211_is_action(hdr->frame_control))
		return false;
	return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
}

/**
 * ieee80211_dsss_chan_to_freq - get channel center frequency
 * @channel: the DSSS channel
 *
 * Convert IEEE802.11 DSSS channel to the center frequency (MHz).
 * Ref IEEE 802.11-2007 section 15.6
 */
static inline int ieee80211_dsss_chan_to_freq(int channel)
{
	if ((channel > 0) && (channel < 14))
		return 2407 + (channel * 5);
	else if (channel == 14)
		return 2484;
	else
		return -1;
}

/**
 * ieee80211_freq_to_dsss_chan - get channel
 * @freq: the frequency
 *
 * Convert frequency (MHz) to IEEE802.11 DSSS channel
 * Ref IEEE 802.11-2007 section 15.6
 *
 * This routine selects the channel with the closest center frequency.
 */
static inline int ieee80211_freq_to_dsss_chan(int freq)
{
	if ((freq >= 2410) && (freq < 2475))
		return (freq - 2405) / 5;
	else if ((freq >= 2482) && (freq < 2487))
		return 14;
	else
		return -1;
}

/**
 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
 * @tu: the TUs
 */
static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
{
	return 1024 * tu;
}

/**
 * ieee80211_check_tim - check if AID bit is set in TIM
 * @tim: the TIM IE
 * @tim_len: length of the TIM IE
 * @aid: the AID to look for
 */
static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
				       u8 tim_len, u16 aid)
{
	u8 mask;
	u8 index, indexn1, indexn2;

	if (unlikely(!tim || tim_len < sizeof(*tim)))
		return false;

	aid &= 0x3fff;
	index = aid / 8;
	mask  = 1 << (aid & 7);

	indexn1 = tim->bitmap_ctrl & 0xfe;
	indexn2 = tim_len + indexn1 - 4;

	if (index < indexn1 || index > indexn2)
		return false;

	index -= indexn1;

	return !!(tim->virtual_map[index] & mask);
}

#endif /* LINUX_IEEE80211_H */