aboutsummaryrefslogtreecommitdiffstats
path: root/src/drivers/driver_madwifi.c
blob: ab1f7971c22a9293efc641509190592add4cfe91 (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
/*
 * WPA Supplicant - driver interaction with MADWIFI 802.11 driver
 * Copyright (c) 2004, Sam Leffler <sam@errno.com>
 * Copyright (c) 2004, Video54 Technologies
 * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi>
 *
 * 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.
 *
 * Alternatively, this software may be distributed under the terms of BSD
 * license.
 *
 * See README and COPYING for more details.
 *
 * While this driver wrapper supports both AP (hostapd) and station
 * (wpa_supplicant) operations, the station side is deprecated and
 * driver_wext.c should be used instead. This driver wrapper should only be
 * used with hostapd for AP mode functionality.
 */

#include "includes.h"
#include <sys/ioctl.h>

#include "common.h"
#include "driver.h"
#include "driver_wext.h"
#include "eloop.h"
#include "common/ieee802_11_defs.h"
#include "wireless_copy.h"

/*
 * Avoid conflicts with wpa_supplicant definitions by undefining a definition.
 */
#undef WME_OUI_TYPE

#include <include/compat.h>
#include <net80211/ieee80211.h>
#ifdef WME_NUM_AC
/* Assume this is built against BSD branch of madwifi driver. */
#define MADWIFI_BSD
#include <net80211/_ieee80211.h>
#endif /* WME_NUM_AC */
#include <net80211/ieee80211_crypto.h>
#include <net80211/ieee80211_ioctl.h>

#ifdef CONFIG_WPS
#ifdef IEEE80211_IOCTL_FILTERFRAME
#include <netpacket/packet.h>

#ifndef ETH_P_80211_RAW
#define ETH_P_80211_RAW 0x0019
#endif
#endif /* IEEE80211_IOCTL_FILTERFRAME */
#endif /* CONFIG_WPS */

/*
 * Avoid conflicts with hostapd definitions by undefining couple of defines
 * from madwifi header files.
 */
#undef RSN_VERSION
#undef WPA_VERSION
#undef WPA_OUI_TYPE
#undef WME_OUI_TYPE


#ifdef IEEE80211_IOCTL_SETWMMPARAMS
/* Assume this is built against madwifi-ng */
#define MADWIFI_NG
#endif /* IEEE80211_IOCTL_SETWMMPARAMS */


#ifdef HOSTAPD

#include "priv_netlink.h"
#include "netlink.h"
#include "l2_packet/l2_packet.h"


struct madwifi_driver_data {
	struct hostapd_data *hapd;		/* back pointer */

	char	iface[IFNAMSIZ + 1];
	int     ifindex;
	struct l2_packet_data *sock_xmit;	/* raw packet xmit socket */
	struct l2_packet_data *sock_recv;	/* raw packet recv socket */
	int	ioctl_sock;			/* socket for ioctl() use */
	struct netlink_data *netlink;
	int	we_version;
	u8	acct_mac[ETH_ALEN];
	struct hostap_sta_driver_data acct_data;

	struct l2_packet_data *sock_raw; /* raw 802.11 management frames */
};

static int madwifi_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
			      int reason_code);

static int
set80211priv(struct madwifi_driver_data *drv, int op, void *data, int len)
{
	struct iwreq iwr;
	int do_inline = len < IFNAMSIZ;

	memset(&iwr, 0, sizeof(iwr));
	os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
#ifdef IEEE80211_IOCTL_FILTERFRAME
	/* FILTERFRAME must be NOT inline, regardless of size. */
	if (op == IEEE80211_IOCTL_FILTERFRAME)
		do_inline = 0;
#endif /* IEEE80211_IOCTL_FILTERFRAME */
	if (op == IEEE80211_IOCTL_SET_APPIEBUF)
		do_inline = 0;
	if (do_inline) {
		/*
		 * Argument data fits inline; put it there.
		 */
		memcpy(iwr.u.name, data, len);
	} else {
		/*
		 * Argument data too big for inline transfer; setup a
		 * parameter block instead; the kernel will transfer
		 * the data for the driver.
		 */
		iwr.u.data.pointer = data;
		iwr.u.data.length = len;
	}

	if (ioctl(drv->ioctl_sock, op, &iwr) < 0) {
#ifdef MADWIFI_NG
		int first = IEEE80211_IOCTL_SETPARAM;
		static const char *opnames[] = {
			"ioctl[IEEE80211_IOCTL_SETPARAM]",
			"ioctl[IEEE80211_IOCTL_GETPARAM]",
			"ioctl[IEEE80211_IOCTL_SETMODE]",
			"ioctl[IEEE80211_IOCTL_GETMODE]",
			"ioctl[IEEE80211_IOCTL_SETWMMPARAMS]",
			"ioctl[IEEE80211_IOCTL_GETWMMPARAMS]",
			"ioctl[IEEE80211_IOCTL_SETCHANLIST]",
			"ioctl[IEEE80211_IOCTL_GETCHANLIST]",
			"ioctl[IEEE80211_IOCTL_CHANSWITCH]",
			"ioctl[IEEE80211_IOCTL_GET_APPIEBUF]",
			"ioctl[IEEE80211_IOCTL_SET_APPIEBUF]",
			"ioctl[IEEE80211_IOCTL_GETSCANRESULTS]",
			"ioctl[IEEE80211_IOCTL_FILTERFRAME]",
			"ioctl[IEEE80211_IOCTL_GETCHANINFO]",
			"ioctl[IEEE80211_IOCTL_SETOPTIE]",
			"ioctl[IEEE80211_IOCTL_GETOPTIE]",
			"ioctl[IEEE80211_IOCTL_SETMLME]",
			NULL,
			"ioctl[IEEE80211_IOCTL_SETKEY]",
			NULL,
			"ioctl[IEEE80211_IOCTL_DELKEY]",
			NULL,
			"ioctl[IEEE80211_IOCTL_ADDMAC]",
			NULL,
			"ioctl[IEEE80211_IOCTL_DELMAC]",
			NULL,
			"ioctl[IEEE80211_IOCTL_WDSMAC]",
			NULL,
			"ioctl[IEEE80211_IOCTL_WDSDELMAC]",
			NULL,
			"ioctl[IEEE80211_IOCTL_KICKMAC]",
		};
#else /* MADWIFI_NG */
		int first = IEEE80211_IOCTL_SETPARAM;
		static const char *opnames[] = {
			"ioctl[IEEE80211_IOCTL_SETPARAM]",
			"ioctl[IEEE80211_IOCTL_GETPARAM]",
			"ioctl[IEEE80211_IOCTL_SETKEY]",
			"ioctl[SIOCIWFIRSTPRIV+3]",
			"ioctl[IEEE80211_IOCTL_DELKEY]",
			"ioctl[SIOCIWFIRSTPRIV+5]",
			"ioctl[IEEE80211_IOCTL_SETMLME]",
			"ioctl[SIOCIWFIRSTPRIV+7]",
			"ioctl[IEEE80211_IOCTL_SETOPTIE]",
			"ioctl[IEEE80211_IOCTL_GETOPTIE]",
			"ioctl[IEEE80211_IOCTL_ADDMAC]",
			"ioctl[SIOCIWFIRSTPRIV+11]",
			"ioctl[IEEE80211_IOCTL_DELMAC]",
			"ioctl[SIOCIWFIRSTPRIV+13]",
			"ioctl[IEEE80211_IOCTL_CHANLIST]",
			"ioctl[SIOCIWFIRSTPRIV+15]",
			"ioctl[IEEE80211_IOCTL_GETRSN]",
			"ioctl[SIOCIWFIRSTPRIV+17]",
			"ioctl[IEEE80211_IOCTL_GETKEY]",
		};
#endif /* MADWIFI_NG */
		int idx = op - first;
		if (first <= op &&
		    idx < (int) (sizeof(opnames) / sizeof(opnames[0])) &&
		    opnames[idx])
			perror(opnames[idx]);
		else
			perror("ioctl[unknown???]");
		return -1;
	}
	return 0;
}

static int
set80211param(struct madwifi_driver_data *drv, int op, int arg)
{
	struct iwreq iwr;

	memset(&iwr, 0, sizeof(iwr));
	os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
	iwr.u.mode = op;
	memcpy(iwr.u.name+sizeof(__u32), &arg, sizeof(arg));

	if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_SETPARAM, &iwr) < 0) {
		perror("ioctl[IEEE80211_IOCTL_SETPARAM]");
		wpa_printf(MSG_DEBUG, "%s: Failed to set parameter (op %d "
			   "arg %d)", __func__, op, arg);
		return -1;
	}
	return 0;
}

#ifndef CONFIG_NO_STDOUT_DEBUG
static const char *
ether_sprintf(const u8 *addr)
{
	static char buf[sizeof(MACSTR)];

	if (addr != NULL)
		snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr));
	else
		snprintf(buf, sizeof(buf), MACSTR, 0,0,0,0,0,0);
	return buf;
}
#endif /* CONFIG_NO_STDOUT_DEBUG */

/*
 * Configure WPA parameters.
 */
static int
madwifi_configure_wpa(struct madwifi_driver_data *drv,
		      struct wpa_bss_params *params)
{
	int v;

	switch (params->wpa_group) {
	case WPA_CIPHER_CCMP:
		v = IEEE80211_CIPHER_AES_CCM;
		break;
	case WPA_CIPHER_TKIP:
		v = IEEE80211_CIPHER_TKIP;
		break;
	case WPA_CIPHER_WEP104:
		v = IEEE80211_CIPHER_WEP;
		break;
	case WPA_CIPHER_WEP40:
		v = IEEE80211_CIPHER_WEP;
		break;
	case WPA_CIPHER_NONE:
		v = IEEE80211_CIPHER_NONE;
		break;
	default:
		wpa_printf(MSG_ERROR, "Unknown group key cipher %u",
			   params->wpa_group);
		return -1;
	}
	wpa_printf(MSG_DEBUG, "%s: group key cipher=%d", __func__, v);
	if (set80211param(drv, IEEE80211_PARAM_MCASTCIPHER, v)) {
		printf("Unable to set group key cipher to %u\n", v);
		return -1;
	}
	if (v == IEEE80211_CIPHER_WEP) {
		/* key length is done only for specific ciphers */
		v = (params->wpa_group == WPA_CIPHER_WEP104 ? 13 : 5);
		if (set80211param(drv, IEEE80211_PARAM_MCASTKEYLEN, v)) {
			printf("Unable to set group key length to %u\n", v);
			return -1;
		}
	}

	v = 0;
	if (params->wpa_pairwise & WPA_CIPHER_CCMP)
		v |= 1<<IEEE80211_CIPHER_AES_CCM;
	if (params->wpa_pairwise & WPA_CIPHER_TKIP)
		v |= 1<<IEEE80211_CIPHER_TKIP;
	if (params->wpa_pairwise & WPA_CIPHER_NONE)
		v |= 1<<IEEE80211_CIPHER_NONE;
	wpa_printf(MSG_DEBUG, "%s: pairwise key ciphers=0x%x", __func__, v);
	if (set80211param(drv, IEEE80211_PARAM_UCASTCIPHERS, v)) {
		printf("Unable to set pairwise key ciphers to 0x%x\n", v);
		return -1;
	}

	wpa_printf(MSG_DEBUG, "%s: key management algorithms=0x%x",
		   __func__, params->wpa_key_mgmt);
	if (set80211param(drv, IEEE80211_PARAM_KEYMGTALGS,
			  params->wpa_key_mgmt)) {
		printf("Unable to set key management algorithms to 0x%x\n",
			params->wpa_key_mgmt);
		return -1;
	}

	v = 0;
	if (params->rsn_preauth)
		v |= BIT(0);
	wpa_printf(MSG_DEBUG, "%s: rsn capabilities=0x%x",
		   __func__, params->rsn_preauth);
	if (set80211param(drv, IEEE80211_PARAM_RSNCAPS, v)) {
		printf("Unable to set RSN capabilities to 0x%x\n", v);
		return -1;
	}

	wpa_printf(MSG_DEBUG, "%s: enable WPA=0x%x", __func__, params->wpa);
	if (set80211param(drv, IEEE80211_PARAM_WPA, params->wpa)) {
		printf("Unable to set WPA to %u\n", params->wpa);
		return -1;
	}
	return 0;
}


static int
madwifi_set_iface_flags(void *priv, int dev_up)
{
	struct madwifi_driver_data *drv = priv;
	struct ifreq ifr;

	wpa_printf(MSG_DEBUG, "%s: dev_up=%d", __func__, dev_up);

	if (drv->ioctl_sock < 0)
		return -1;

	memset(&ifr, 0, sizeof(ifr));
	os_strlcpy(ifr.ifr_name, drv->iface, IFNAMSIZ);

	if (ioctl(drv->ioctl_sock, SIOCGIFFLAGS, &ifr) != 0) {
		perror("ioctl[SIOCGIFFLAGS]");
		return -1;
	}

	if (dev_up)
		ifr.ifr_flags |= IFF_UP;
	else
		ifr.ifr_flags &= ~IFF_UP;

	if (ioctl(drv->ioctl_sock, SIOCSIFFLAGS, &ifr) != 0) {
		perror("ioctl[SIOCSIFFLAGS]");
		return -1;
	}

	return 0;
}

static int
madwifi_set_ieee8021x(void *priv, struct wpa_bss_params *params)
{
	struct madwifi_driver_data *drv = priv;

	wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, params->enabled);

	if (!params->enabled) {
		/* XXX restore state */
		return set80211param(priv, IEEE80211_PARAM_AUTHMODE,
			IEEE80211_AUTH_AUTO);
	}
	if (!params->wpa && !params->ieee802_1x) {
		hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER,
			HOSTAPD_LEVEL_WARNING, "No 802.1X or WPA enabled!");
		return -1;
	}
	if (params->wpa && madwifi_configure_wpa(drv, params) != 0) {
		hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER,
			HOSTAPD_LEVEL_WARNING, "Error configuring WPA state!");
		return -1;
	}
	if (set80211param(priv, IEEE80211_PARAM_AUTHMODE,
		(params->wpa ? IEEE80211_AUTH_WPA : IEEE80211_AUTH_8021X))) {
		hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER,
			HOSTAPD_LEVEL_WARNING, "Error enabling WPA/802.1X!");
		return -1;
	}

	return 0;
}

static int
madwifi_set_privacy(const char *ifname, void *priv, int enabled)
{
	struct madwifi_driver_data *drv = priv;

	wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);

	return set80211param(drv, IEEE80211_PARAM_PRIVACY, enabled);
}

static int
madwifi_set_sta_authorized(void *priv, const u8 *addr, int authorized)
{
	struct madwifi_driver_data *drv = priv;
	struct ieee80211req_mlme mlme;
	int ret;

	wpa_printf(MSG_DEBUG, "%s: addr=%s authorized=%d",
		   __func__, ether_sprintf(addr), authorized);

	if (authorized)
		mlme.im_op = IEEE80211_MLME_AUTHORIZE;
	else
		mlme.im_op = IEEE80211_MLME_UNAUTHORIZE;
	mlme.im_reason = 0;
	memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
	ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
	if (ret < 0) {
		wpa_printf(MSG_DEBUG, "%s: Failed to %sauthorize STA " MACSTR,
			   __func__, authorized ? "" : "un", MAC2STR(addr));
	}

	return ret;
}

static int
madwifi_sta_set_flags(void *priv, const u8 *addr, int total_flags,
		      int flags_or, int flags_and)
{
	/* For now, only support setting Authorized flag */
	if (flags_or & WPA_STA_AUTHORIZED)
		return madwifi_set_sta_authorized(priv, addr, 1);
	if (!(flags_and & WPA_STA_AUTHORIZED))
		return madwifi_set_sta_authorized(priv, addr, 0);
	return 0;
}

static int
madwifi_del_key(void *priv, const u8 *addr, int key_idx)
{
	struct madwifi_driver_data *drv = priv;
	struct ieee80211req_del_key wk;
	int ret;

	wpa_printf(MSG_DEBUG, "%s: addr=%s key_idx=%d",
		   __func__, ether_sprintf(addr), key_idx);

	memset(&wk, 0, sizeof(wk));
	if (addr != NULL) {
		memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
		wk.idk_keyix = (u8) IEEE80211_KEYIX_NONE;
	} else {
		wk.idk_keyix = key_idx;
	}

	ret = set80211priv(drv, IEEE80211_IOCTL_DELKEY, &wk, sizeof(wk));
	if (ret < 0) {
		wpa_printf(MSG_DEBUG, "%s: Failed to delete key (addr %s"
			   " key_idx %d)", __func__, ether_sprintf(addr),
			   key_idx);
	}

	return ret;
}

static int
wpa_driver_madwifi_set_key(const char *ifname, void *priv, wpa_alg alg,
			   const u8 *addr, int key_idx, int set_tx,
			   const u8 *seq, size_t seq_len,
			   const u8 *key, size_t key_len)
{
	struct madwifi_driver_data *drv = priv;
	struct ieee80211req_key wk;
	u_int8_t cipher;
	int ret;

	if (alg == WPA_ALG_NONE)
		return madwifi_del_key(drv, addr, key_idx);

	wpa_printf(MSG_DEBUG, "%s: alg=%d addr=%s key_idx=%d",
		   __func__, alg, ether_sprintf(addr), key_idx);

	if (alg == WPA_ALG_WEP)
		cipher = IEEE80211_CIPHER_WEP;
	else if (alg == WPA_ALG_TKIP)
		cipher = IEEE80211_CIPHER_TKIP;
	else if (alg == WPA_ALG_CCMP)
		cipher = IEEE80211_CIPHER_AES_CCM;
	else {
		printf("%s: unknown/unsupported algorithm %d\n",
			__func__, alg);
		return -1;
	}

	if (key_len > sizeof(wk.ik_keydata)) {
		printf("%s: key length %lu too big\n", __func__,
		       (unsigned long) key_len);
		return -3;
	}

	memset(&wk, 0, sizeof(wk));
	wk.ik_type = cipher;
	wk.ik_flags = IEEE80211_KEY_RECV | IEEE80211_KEY_XMIT;
	if (addr == NULL) {
		memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
		wk.ik_keyix = key_idx;
		wk.ik_flags |= IEEE80211_KEY_DEFAULT;
	} else {
		memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
		wk.ik_keyix = IEEE80211_KEYIX_NONE;
	}
	wk.ik_keylen = key_len;
	memcpy(wk.ik_keydata, key, key_len);

	ret = set80211priv(drv, IEEE80211_IOCTL_SETKEY, &wk, sizeof(wk));
	if (ret < 0) {
		wpa_printf(MSG_DEBUG, "%s: Failed to set key (addr %s"
			   " key_idx %d alg %d key_len %lu set_tx %d)",
			   __func__, ether_sprintf(wk.ik_macaddr), key_idx,
			   alg, (unsigned long) key_len, set_tx);
	}

	return ret;
}


static int
madwifi_get_seqnum(const char *ifname, void *priv, const u8 *addr, int idx,
		   u8 *seq)
{
	struct madwifi_driver_data *drv = priv;
	struct ieee80211req_key wk;

	wpa_printf(MSG_DEBUG, "%s: addr=%s idx=%d",
		   __func__, ether_sprintf(addr), idx);

	memset(&wk, 0, sizeof(wk));
	if (addr == NULL)
		memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
	else
		memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
	wk.ik_keyix = idx;

	if (set80211priv(drv, IEEE80211_IOCTL_GETKEY, &wk, sizeof(wk))) {
		wpa_printf(MSG_DEBUG, "%s: Failed to get encryption data "
			   "(addr " MACSTR " key_idx %d)",
			   __func__, MAC2STR(wk.ik_macaddr), idx);
		return -1;
	}

#ifdef WORDS_BIGENDIAN
	{
		/*
		 * wk.ik_keytsc is in host byte order (big endian), need to
		 * swap it to match with the byte order used in WPA.
		 */
		int i;
		u8 tmp[WPA_KEY_RSC_LEN];
		memcpy(tmp, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
		for (i = 0; i < WPA_KEY_RSC_LEN; i++) {
			seq[i] = tmp[WPA_KEY_RSC_LEN - i - 1];
		}
	}
#else /* WORDS_BIGENDIAN */
	memcpy(seq, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
#endif /* WORDS_BIGENDIAN */
	return 0;
}


static int 
madwifi_flush(void *priv)
{
#ifdef MADWIFI_BSD
	u8 allsta[IEEE80211_ADDR_LEN];
	memset(allsta, 0xff, IEEE80211_ADDR_LEN);
	return madwifi_sta_deauth(priv, NULL, allsta,
				  IEEE80211_REASON_AUTH_LEAVE);
#else /* MADWIFI_BSD */
	return 0;		/* XXX */
#endif /* MADWIFI_BSD */
}


static int
madwifi_read_sta_driver_data(void *priv, struct hostap_sta_driver_data *data,
			     const u8 *addr)
{
	struct madwifi_driver_data *drv = priv;

#ifdef MADWIFI_BSD
	struct ieee80211req_sta_stats stats;

	memset(data, 0, sizeof(*data));

	/*
	 * Fetch statistics for station from the system.
	 */
	memset(&stats, 0, sizeof(stats));
	memcpy(stats.is_u.macaddr, addr, IEEE80211_ADDR_LEN);
	if (set80211priv(drv,
#ifdef MADWIFI_NG
			 IEEE80211_IOCTL_STA_STATS,
#else /* MADWIFI_NG */
			 IEEE80211_IOCTL_GETSTASTATS,
#endif /* MADWIFI_NG */
			 &stats, sizeof(stats))) {
		wpa_printf(MSG_DEBUG, "%s: Failed to fetch STA stats (addr "
			   MACSTR ")", __func__, MAC2STR(addr));
		if (memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) {
			memcpy(data, &drv->acct_data, sizeof(*data));
			return 0;
		}

		printf("Failed to get station stats information element.\n");
		return -1;
	}

	data->rx_packets = stats.is_stats.ns_rx_data;
	data->rx_bytes = stats.is_stats.ns_rx_bytes;
	data->tx_packets = stats.is_stats.ns_tx_data;
	data->tx_bytes = stats.is_stats.ns_tx_bytes;
	return 0;

#else /* MADWIFI_BSD */

	char buf[1024], line[128], *pos;
	FILE *f;
	unsigned long val;

	memset(data, 0, sizeof(*data));
	snprintf(buf, sizeof(buf), "/proc/net/madwifi/%s/" MACSTR,
		 drv->iface, MAC2STR(addr));

	f = fopen(buf, "r");
	if (!f) {
		if (memcmp(addr, drv->acct_mac, ETH_ALEN) != 0)
			return -1;
		memcpy(data, &drv->acct_data, sizeof(*data));
		return 0;
	}
	/* Need to read proc file with in one piece, so use large enough
	 * buffer. */
	setbuffer(f, buf, sizeof(buf));

	while (fgets(line, sizeof(line), f)) {
		pos = strchr(line, '=');
		if (!pos)
			continue;
		*pos++ = '\0';
		val = strtoul(pos, NULL, 10);
		if (strcmp(line, "rx_packets") == 0)
			data->rx_packets = val;
		else if (strcmp(line, "tx_packets") == 0)
			data->tx_packets = val;
		else if (strcmp(line, "rx_bytes") == 0)
			data->rx_bytes = val;
		else if (strcmp(line, "tx_bytes") == 0)
			data->tx_bytes = val;
	}

	fclose(f);

	return 0;
#endif /* MADWIFI_BSD */
}


static int
madwifi_sta_clear_stats(void *priv, const u8 *addr)
{
#if defined(MADWIFI_BSD) && defined(IEEE80211_MLME_CLEAR_STATS)
	struct madwifi_driver_data *drv = priv;
	struct ieee80211req_mlme mlme;
	int ret;

	wpa_printf(MSG_DEBUG, "%s: addr=%s", __func__, ether_sprintf(addr));

	mlme.im_op = IEEE80211_MLME_CLEAR_STATS;
	memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
	ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme,
			   sizeof(mlme));
	if (ret < 0) {
		wpa_printf(MSG_DEBUG, "%s: Failed to clear STA stats (addr "
			   MACSTR ")", __func__, MAC2STR(addr));
	}

	return ret;
#else /* MADWIFI_BSD && IEEE80211_MLME_CLEAR_STATS */
	return 0; /* FIX */
#endif /* MADWIFI_BSD && IEEE80211_MLME_CLEAR_STATS */
}


static int
madwifi_set_opt_ie(const char *ifname, void *priv, const u8 *ie, size_t ie_len)
{
	/*
	 * Do nothing; we setup parameters at startup that define the
	 * contents of the beacon information element.
	 */
	return 0;
}

static int
madwifi_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
		   int reason_code)
{
	struct madwifi_driver_data *drv = priv;
	struct ieee80211req_mlme mlme;
	int ret;

	wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
		   __func__, ether_sprintf(addr), reason_code);

	mlme.im_op = IEEE80211_MLME_DEAUTH;
	mlme.im_reason = reason_code;
	memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
	ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
	if (ret < 0) {
		wpa_printf(MSG_DEBUG, "%s: Failed to deauth STA (addr " MACSTR
			   " reason %d)",
			   __func__, MAC2STR(addr), reason_code);
	}

	return ret;
}

static int
madwifi_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
		     int reason_code)
{
	struct madwifi_driver_data *drv = priv;
	struct ieee80211req_mlme mlme;
	int ret;

	wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
		   __func__, ether_sprintf(addr), reason_code);

	mlme.im_op = IEEE80211_MLME_DISASSOC;
	mlme.im_reason = reason_code;
	memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
	ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
	if (ret < 0) {
		wpa_printf(MSG_DEBUG, "%s: Failed to disassoc STA (addr "
			   MACSTR " reason %d)",
			   __func__, MAC2STR(addr), reason_code);
	}

	return ret;
}

#ifdef CONFIG_WPS
#ifdef IEEE80211_IOCTL_FILTERFRAME
static void madwifi_raw_receive(void *ctx, const u8 *src_addr, const u8 *buf,
				size_t len)
{
	struct madwifi_driver_data *drv = ctx;
	const struct ieee80211_mgmt *mgmt;
	const u8 *end, *ie;
	u16 fc;
	size_t ie_len;

	/* Send Probe Request information to WPS processing */

	if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req))
		return;
	mgmt = (const struct ieee80211_mgmt *) buf;

	fc = le_to_host16(mgmt->frame_control);
	if (WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT ||
	    WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_PROBE_REQ)
		return;

	end = buf + len;
	ie = mgmt->u.probe_req.variable;
	ie_len = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req));

	hostapd_probe_req_rx(drv->hapd, mgmt->sa, ie, ie_len);
}
#endif /* IEEE80211_IOCTL_FILTERFRAME */
#endif /* CONFIG_WPS */

static int madwifi_receive_probe_req(struct madwifi_driver_data *drv)
{
	int ret = 0;
#ifdef CONFIG_WPS
#ifdef IEEE80211_IOCTL_FILTERFRAME
	struct ieee80211req_set_filter filt;

	wpa_printf(MSG_DEBUG, "%s Enter", __func__);
	filt.app_filterype = IEEE80211_FILTER_TYPE_PROBE_REQ;

	ret = set80211priv(drv, IEEE80211_IOCTL_FILTERFRAME, &filt,
			   sizeof(struct ieee80211req_set_filter));
	if (ret)
		return ret;

	drv->sock_raw = l2_packet_init(drv->iface, NULL, ETH_P_80211_RAW,
				       madwifi_raw_receive, drv, 1);
	if (drv->sock_raw == NULL)
		return -1;
#endif /* IEEE80211_IOCTL_FILTERFRAME */
#endif /* CONFIG_WPS */
	return ret;
}

#ifdef CONFIG_WPS
static int
madwifi_set_wps_ie(void *priv, const u8 *ie, size_t len, u32 frametype)
{
	struct madwifi_driver_data *drv = priv;
	u8 buf[256];
	struct ieee80211req_getset_appiebuf *beac_ie;

	wpa_printf(MSG_DEBUG, "%s buflen = %lu", __func__,
		   (unsigned long) len);

	beac_ie = (struct ieee80211req_getset_appiebuf *) buf;
	beac_ie->app_frmtype = frametype;
	beac_ie->app_buflen = len;
	memcpy(&(beac_ie->app_buf[0]), ie, len);

	return set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, beac_ie,
			    sizeof(struct ieee80211req_getset_appiebuf) + len);
}

static int
madwifi_set_wps_beacon_ie(const char *ifname, void *priv, const u8 *ie,
			  size_t len)
{
	return madwifi_set_wps_ie(priv, ie, len, IEEE80211_APPIE_FRAME_BEACON);
}

static int
madwifi_set_wps_probe_resp_ie(const char *ifname, void *priv, const u8 *ie,
			      size_t len)
{
	return madwifi_set_wps_ie(priv, ie, len,
				  IEEE80211_APPIE_FRAME_PROBE_RESP);
}
#else /* CONFIG_WPS */
#define madwifi_set_wps_beacon_ie NULL
#define madwifi_set_wps_probe_resp_ie NULL
#endif /* CONFIG_WPS */

static int
madwifi_new_sta(struct madwifi_driver_data *drv, u8 addr[IEEE80211_ADDR_LEN])
{
	struct hostapd_data *hapd = drv->hapd;
	struct ieee80211req_wpaie ie;
	int ielen = 0, res;
	u8 *iebuf = NULL;

	/*
	 * Fetch negotiated WPA/RSN parameters from the system.
	 */
	memset(&ie, 0, sizeof(ie));
	memcpy(ie.wpa_macaddr, addr, IEEE80211_ADDR_LEN);
	if (set80211priv(drv, IEEE80211_IOCTL_GETWPAIE, &ie, sizeof(ie))) {
		wpa_printf(MSG_DEBUG, "%s: Failed to get WPA/RSN IE",
			   __func__);
		goto no_ie;
	}
	wpa_hexdump(MSG_MSGDUMP, "madwifi req WPA IE",
		    ie.wpa_ie, IEEE80211_MAX_OPT_IE);
	iebuf = ie.wpa_ie;
	/* madwifi seems to return some random data if WPA/RSN IE is not set.
	 * Assume the IE was not included if the IE type is unknown. */
	if (iebuf[0] != WLAN_EID_VENDOR_SPECIFIC)
		iebuf[1] = 0;
#ifdef MADWIFI_NG
	wpa_hexdump(MSG_MSGDUMP, "madwifi req RSN IE",
		    ie.rsn_ie, IEEE80211_MAX_OPT_IE);
	if (iebuf[1] == 0 && ie.rsn_ie[1] > 0) {
		/* madwifi-ng svn #1453 added rsn_ie. Use it, if wpa_ie was not
		 * set. This is needed for WPA2. */
		iebuf = ie.rsn_ie;
		if (iebuf[0] != WLAN_EID_RSN)
			iebuf[1] = 0;
	}
#endif /* MADWIFI_NG */

	ielen = iebuf[1];
	if (ielen == 0)
		iebuf = NULL;
	else
		ielen += 2;

no_ie:
	res = hostapd_notif_assoc(hapd, addr, iebuf, ielen);

	if (memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) {
		/* Cached accounting data is not valid anymore. */
		memset(drv->acct_mac, 0, ETH_ALEN);
		memset(&drv->acct_data, 0, sizeof(drv->acct_data));
	}

	return res;
}

static void
madwifi_wireless_event_wireless_custom(struct madwifi_driver_data *drv,
				       char *custom)
{
	wpa_printf(MSG_DEBUG, "Custom wireless event: '%s'", custom);

	if (strncmp(custom, "MLME-MICHAELMICFAILURE.indication", 33) == 0) {
		char *pos;
		u8 addr[ETH_ALEN];
		pos = strstr(custom, "addr=");
		if (pos == NULL) {
			wpa_printf(MSG_DEBUG,
				   "MLME-MICHAELMICFAILURE.indication "
				   "without sender address ignored");
			return;
		}
		pos += 5;
		if (hwaddr_aton(pos, addr) == 0) {
			union wpa_event_data data;
			os_memset(&data, 0, sizeof(data));
			data.michael_mic_failure.unicast = 1;
			data.michael_mic_failure.src = addr;
			wpa_supplicant_event(drv->hapd,
					     EVENT_MICHAEL_MIC_FAILURE, &data);
		} else {
			wpa_printf(MSG_DEBUG,
				   "MLME-MICHAELMICFAILURE.indication "
				   "with invalid MAC address");
		}
	} else if (strncmp(custom, "STA-TRAFFIC-STAT", 16) == 0) {
		char *key, *value;
		u32 val;
		key = custom;
		while ((key = strchr(key, '\n')) != NULL) {
			key++;
			value = strchr(key, '=');
			if (value == NULL)
				continue;
			*value++ = '\0';
			val = strtoul(value, NULL, 10);
			if (strcmp(key, "mac") == 0)
				hwaddr_aton(value, drv->acct_mac);
			else if (strcmp(key, "rx_packets") == 0)
				drv->acct_data.rx_packets = val;
			else if (strcmp(key, "tx_packets") == 0)
				drv->acct_data.tx_packets = val;
			else if (strcmp(key, "rx_bytes") == 0)
				drv->acct_data.rx_bytes = val;
			else if (strcmp(key, "tx_bytes") == 0)
				drv->acct_data.tx_bytes = val;
			key = value;
		}
	}
}

static void
madwifi_wireless_event_wireless(struct madwifi_driver_data *drv,
					    char *data, int len)
{
	struct iw_event iwe_buf, *iwe = &iwe_buf;
	char *pos, *end, *custom, *buf;

	pos = data;
	end = data + len;

	while (pos + IW_EV_LCP_LEN <= end) {
		/* Event data may be unaligned, so make a local, aligned copy
		 * before processing. */
		memcpy(&iwe_buf, pos, IW_EV_LCP_LEN);
		wpa_printf(MSG_MSGDUMP, "Wireless event: cmd=0x%x len=%d",
			   iwe->cmd, iwe->len);
		if (iwe->len <= IW_EV_LCP_LEN)
			return;

		custom = pos + IW_EV_POINT_LEN;
		if (drv->we_version > 18 &&
		    (iwe->cmd == IWEVMICHAELMICFAILURE ||
		     iwe->cmd == IWEVCUSTOM)) {
			/* WE-19 removed the pointer from struct iw_point */
			char *dpos = (char *) &iwe_buf.u.data.length;
			int dlen = dpos - (char *) &iwe_buf;
			memcpy(dpos, pos + IW_EV_LCP_LEN,
			       sizeof(struct iw_event) - dlen);
		} else {
			memcpy(&iwe_buf, pos, sizeof(struct iw_event));
			custom += IW_EV_POINT_OFF;
		}

		switch (iwe->cmd) {
		case IWEVEXPIRED:
			hostapd_notif_disassoc(drv->hapd,
					       (u8 *) iwe->u.addr.sa_data);
			break;
		case IWEVREGISTERED:
			madwifi_new_sta(drv, (u8 *) iwe->u.addr.sa_data);
			break;
		case IWEVCUSTOM:
			if (custom + iwe->u.data.length > end)
				return;
			buf = malloc(iwe->u.data.length + 1);
			if (buf == NULL)
				return;		/* XXX */
			memcpy(buf, custom, iwe->u.data.length);
			buf[iwe->u.data.length] = '\0';
			madwifi_wireless_event_wireless_custom(drv, buf);
			free(buf);
			break;
		}

		pos += iwe->len;
	}
}


static void
madwifi_wireless_event_rtm_newlink(void *ctx, struct ifinfomsg *ifi,
				   u8 *buf, size_t len)
{
	struct madwifi_driver_data *drv = ctx;
	int attrlen, rta_len;
	struct rtattr *attr;

	if (ifi->ifi_index != drv->ifindex)
		return;

	attrlen = len;
	attr = (struct rtattr *) buf;

	rta_len = RTA_ALIGN(sizeof(struct rtattr));
	while (RTA_OK(attr, attrlen)) {
		if (attr->rta_type == IFLA_WIRELESS) {
			madwifi_wireless_event_wireless(
				drv, ((char *) attr) + rta_len,
				attr->rta_len - rta_len);
		}
		attr = RTA_NEXT(attr, attrlen);
	}
}


static int
madwifi_get_we_version(struct madwifi_driver_data *drv)
{
	struct iw_range *range;
	struct iwreq iwr;
	int minlen;
	size_t buflen;

	drv->we_version = 0;

	/*
	 * Use larger buffer than struct iw_range in order to allow the
	 * structure to grow in the future.
	 */
	buflen = sizeof(struct iw_range) + 500;
	range = os_zalloc(buflen);
	if (range == NULL)
		return -1;

	memset(&iwr, 0, sizeof(iwr));
	os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
	iwr.u.data.pointer = (caddr_t) range;
	iwr.u.data.length = buflen;

	minlen = ((char *) &range->enc_capa) - (char *) range +
		sizeof(range->enc_capa);

	if (ioctl(drv->ioctl_sock, SIOCGIWRANGE, &iwr) < 0) {
		perror("ioctl[SIOCGIWRANGE]");
		free(range);
		return -1;
	} else if (iwr.u.data.length >= minlen &&
		   range->we_version_compiled >= 18) {
		wpa_printf(MSG_DEBUG, "SIOCGIWRANGE: WE(compiled)=%d "
			   "WE(source)=%d enc_capa=0x%x",
			   range->we_version_compiled,
			   range->we_version_source,
			   range->enc_capa);
		drv->we_version = range->we_version_compiled;
	}

	free(range);
	return 0;
}


static int
madwifi_wireless_event_init(struct madwifi_driver_data *drv)
{
	struct netlink_config *cfg;

	madwifi_get_we_version(drv);

	cfg = os_zalloc(sizeof(*cfg));
	if (cfg == NULL)
		return -1;
	cfg->ctx = drv;
	cfg->newlink_cb = madwifi_wireless_event_rtm_newlink;
	drv->netlink = netlink_init(cfg);
	if (drv->netlink == NULL) {
		os_free(cfg);
		return -1;
	}

	return 0;
}


static int
madwifi_send_eapol(void *priv, const u8 *addr, const u8 *data, size_t data_len,
		   int encrypt, const u8 *own_addr)
{
	struct madwifi_driver_data *drv = priv;
	unsigned char buf[3000];
	unsigned char *bp = buf;
	struct l2_ethhdr *eth;
	size_t len;
	int status;

	/*
	 * Prepend the Ethernet header.  If the caller left us
	 * space at the front we could just insert it but since
	 * we don't know we copy to a local buffer.  Given the frequency
	 * and size of frames this probably doesn't matter.
	 */
	len = data_len + sizeof(struct l2_ethhdr);
	if (len > sizeof(buf)) {
		bp = malloc(len);
		if (bp == NULL) {
			printf("EAPOL frame discarded, cannot malloc temp "
			       "buffer of size %lu!\n", (unsigned long) len);
			return -1;
		}
	}
	eth = (struct l2_ethhdr *) bp;
	memcpy(eth->h_dest, addr, ETH_ALEN);
	memcpy(eth->h_source, own_addr, ETH_ALEN);
	eth->h_proto = host_to_be16(ETH_P_EAPOL);
	memcpy(eth+1, data, data_len);

	wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", bp, len);

	status = l2_packet_send(drv->sock_xmit, addr, ETH_P_EAPOL, bp, len);

	if (bp != buf)
		free(bp);
	return status;
}

static void
handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
{
	struct madwifi_driver_data *drv = ctx;
	hostapd_eapol_receive(drv->hapd, src_addr,
			      buf + sizeof(struct l2_ethhdr),
			      len - sizeof(struct l2_ethhdr));
}

static void *
madwifi_init(struct hostapd_data *hapd, struct wpa_init_params *params)
{
	struct madwifi_driver_data *drv;
	struct ifreq ifr;
	struct iwreq iwr;

	drv = os_zalloc(sizeof(struct madwifi_driver_data));
	if (drv == NULL) {
		printf("Could not allocate memory for madwifi driver data\n");
		return NULL;
	}

	drv->hapd = hapd;
	drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
	if (drv->ioctl_sock < 0) {
		perror("socket[PF_INET,SOCK_DGRAM]");
		goto bad;
	}
	memcpy(drv->iface, params->ifname, sizeof(drv->iface));

	memset(&ifr, 0, sizeof(ifr));
	os_strlcpy(ifr.ifr_name, drv->iface, sizeof(ifr.ifr_name));
	if (ioctl(drv->ioctl_sock, SIOCGIFINDEX, &ifr) != 0) {
		perror("ioctl(SIOCGIFINDEX)");
		goto bad;
	}
	drv->ifindex = ifr.ifr_ifindex;

	drv->sock_xmit = l2_packet_init(drv->iface, NULL, ETH_P_EAPOL,
					handle_read, drv, 1);
	if (drv->sock_xmit == NULL)
		goto bad;
	if (l2_packet_get_own_addr(drv->sock_xmit, params->own_addr))
		goto bad;
	if (params->bridge[0]) {
		wpa_printf(MSG_DEBUG, "Configure bridge %s for EAPOL traffic.",
			   params->bridge[0]);
		drv->sock_recv = l2_packet_init(params->bridge[0], NULL,
						ETH_P_EAPOL, handle_read, drv,
						1);
		if (drv->sock_recv == NULL)
			goto bad;
	} else
		drv->sock_recv = drv->sock_xmit;

	memset(&iwr, 0, sizeof(iwr));
	os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);

	iwr.u.mode = IW_MODE_MASTER;

	if (ioctl(drv->ioctl_sock, SIOCSIWMODE, &iwr) < 0) {
		perror("ioctl[SIOCSIWMODE]");
		printf("Could not set interface to master mode!\n");
		goto bad;
	}

	madwifi_set_iface_flags(drv, 0);	/* mark down during setup */
	madwifi_set_privacy(drv->iface, drv, 0); /* default to no privacy */

	madwifi_receive_probe_req(drv);

	if (madwifi_wireless_event_init(drv))
		goto bad;

	return drv;
bad:
	if (drv->sock_xmit != NULL)
		l2_packet_deinit(drv->sock_xmit);
	if (drv->ioctl_sock >= 0)
		close(drv->ioctl_sock);
	if (drv != NULL)
		free(drv);
	return NULL;
}


static void
madwifi_deinit(void *priv)
{
	struct madwifi_driver_data *drv = priv;

	netlink_deinit(drv->netlink);
	(void) madwifi_set_iface_flags(drv, 0);
	if (drv->ioctl_sock >= 0)
		close(drv->ioctl_sock);
	if (drv->sock_recv != NULL && drv->sock_recv != drv->sock_xmit)
		l2_packet_deinit(drv->sock_recv);
	if (drv->sock_xmit != NULL)
		l2_packet_deinit(drv->sock_xmit);
	if (drv->sock_raw)
		l2_packet_deinit(drv->sock_raw);
	free(drv);
}

static int
madwifi_set_ssid(const char *ifname, void *priv, const u8 *buf, int len)
{
	struct madwifi_driver_data *drv = priv;
	struct iwreq iwr;

	memset(&iwr, 0, sizeof(iwr));
	os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
	iwr.u.essid.flags = 1; /* SSID active */
	iwr.u.essid.pointer = (caddr_t) buf;
	iwr.u.essid.length = len + 1;

	if (ioctl(drv->ioctl_sock, SIOCSIWESSID, &iwr) < 0) {
		perror("ioctl[SIOCSIWESSID]");
		printf("len=%d\n", len);
		return -1;
	}
	return 0;
}

static int
madwifi_get_ssid(const char *ifname, void *priv, u8 *buf, int len)
{
	struct madwifi_driver_data *drv = priv;
	struct iwreq iwr;
	int ret = 0;

	memset(&iwr, 0, sizeof(iwr));
	os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
	iwr.u.essid.pointer = (caddr_t) buf;
	iwr.u.essid.length = len;

	if (ioctl(drv->ioctl_sock, SIOCGIWESSID, &iwr) < 0) {
		perror("ioctl[SIOCGIWESSID]");
		ret = -1;
	} else
		ret = iwr.u.essid.length;

	return ret;
}

static int
madwifi_set_countermeasures(void *priv, int enabled)
{
	struct madwifi_driver_data *drv = priv;
	wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
	return set80211param(drv, IEEE80211_PARAM_COUNTERMEASURES, enabled);
}

static int
madwifi_commit(void *priv)
{
	return madwifi_set_iface_flags(priv, 1);
}

#else /* HOSTAPD */

struct wpa_driver_madwifi_data {
	void *wext; /* private data for driver_wext */
	void *ctx;
	char ifname[IFNAMSIZ + 1];
	int sock;
};

static int wpa_driver_madwifi_set_auth_alg(void *priv, int auth_alg);
static int wpa_driver_madwifi_set_probe_req_ie(void *priv, const u8 *ies,
					       size_t ies_len);


static int
set80211priv(struct wpa_driver_madwifi_data *drv, int op, void *data, int len,
	     int show_err)
{
	struct iwreq iwr;

	os_memset(&iwr, 0, sizeof(iwr));
	os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
	if (len < IFNAMSIZ &&
	    op != IEEE80211_IOCTL_SET_APPIEBUF) {
		/*
		 * Argument data fits inline; put it there.
		 */
		os_memcpy(iwr.u.name, data, len);
	} else {
		/*
		 * Argument data too big for inline transfer; setup a
		 * parameter block instead; the kernel will transfer
		 * the data for the driver.
		 */
		iwr.u.data.pointer = data;
		iwr.u.data.length = len;
	}

	if (ioctl(drv->sock, op, &iwr) < 0) {
		if (show_err) {
#ifdef MADWIFI_NG
			int first = IEEE80211_IOCTL_SETPARAM;
			int last = IEEE80211_IOCTL_KICKMAC;
			static const char *opnames[] = {
				"ioctl[IEEE80211_IOCTL_SETPARAM]",
				"ioctl[IEEE80211_IOCTL_GETPARAM]",
				"ioctl[IEEE80211_IOCTL_SETMODE]",
				"ioctl[IEEE80211_IOCTL_GETMODE]",
				"ioctl[IEEE80211_IOCTL_SETWMMPARAMS]",
				"ioctl[IEEE80211_IOCTL_GETWMMPARAMS]",
				"ioctl[IEEE80211_IOCTL_SETCHANLIST]",
				"ioctl[IEEE80211_IOCTL_GETCHANLIST]",
				"ioctl[IEEE80211_IOCTL_CHANSWITCH]",
				NULL,
				"ioctl[IEEE80211_IOCTL_SET_APPIEBUF]",
				"ioctl[IEEE80211_IOCTL_GETSCANRESULTS]",
				NULL,
				"ioctl[IEEE80211_IOCTL_GETCHANINFO]",
				"ioctl[IEEE80211_IOCTL_SETOPTIE]",
				"ioctl[IEEE80211_IOCTL_GETOPTIE]",
				"ioctl[IEEE80211_IOCTL_SETMLME]",
				NULL,
				"ioctl[IEEE80211_IOCTL_SETKEY]",
				NULL,
				"ioctl[IEEE80211_IOCTL_DELKEY]",
				NULL,
				"ioctl[IEEE80211_IOCTL_ADDMAC]",
				NULL,
				"ioctl[IEEE80211_IOCTL_DELMAC]",
				NULL,
				"ioctl[IEEE80211_IOCTL_WDSMAC]",
				NULL,
				"ioctl[IEEE80211_IOCTL_WDSDELMAC]",
				NULL,
				"ioctl[IEEE80211_IOCTL_KICKMAC]",
			};
#else /* MADWIFI_NG */
			int first = IEEE80211_IOCTL_SETPARAM;
			int last = IEEE80211_IOCTL_CHANLIST;
			static const char *opnames[] = {
				"ioctl[IEEE80211_IOCTL_SETPARAM]",
				"ioctl[IEEE80211_IOCTL_GETPARAM]",
				"ioctl[IEEE80211_IOCTL_SETKEY]",
				"ioctl[IEEE80211_IOCTL_GETKEY]",
				"ioctl[IEEE80211_IOCTL_DELKEY]",
				NULL,
				"ioctl[IEEE80211_IOCTL_SETMLME]",
				NULL,
				"ioctl[IEEE80211_IOCTL_SETOPTIE]",
				"ioctl[IEEE80211_IOCTL_GETOPTIE]",
				"ioctl[IEEE80211_IOCTL_ADDMAC]",
				NULL,
				"ioctl[IEEE80211_IOCTL_DELMAC]",
				NULL,
				"ioctl[IEEE80211_IOCTL_CHANLIST]",
			};
#endif /* MADWIFI_NG */
			int idx = op - first;
			if (first <= op && op <= last &&
			    idx < (int) (sizeof(opnames) / sizeof(opnames[0]))
			    && opnames[idx])
				perror(opnames[idx]);
			else
				perror("ioctl[unknown???]");
		}
		return -1;
	}
	return 0;
}

static int
set80211param(struct wpa_driver_madwifi_data *drv, int op, int arg,
	      int show_err)
{
	struct iwreq iwr;

	os_memset(&iwr, 0, sizeof(iwr));
	os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
	iwr.u.mode = op;
	os_memcpy(iwr.u.name+sizeof(u32), &arg, sizeof(arg));

	if (ioctl(drv->sock, IEEE80211_IOCTL_SETPARAM, &iwr) < 0) {
		if (show_err) 
			perror("ioctl[IEEE80211_IOCTL_SETPARAM]");
		return -1;
	}
	return 0;
}

static int
wpa_driver_madwifi_set_wpa_ie(struct wpa_driver_madwifi_data *drv,
			      const u8 *wpa_ie, size_t wpa_ie_len)
{
	struct iwreq iwr;

	os_memset(&iwr, 0, sizeof(iwr));
	os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
	/* NB: SETOPTIE is not fixed-size so must not be inlined */
	iwr.u.data.pointer = (void *) wpa_ie;
	iwr.u.data.length = wpa_ie_len;

	if (ioctl(drv->sock, IEEE80211_IOCTL_SETOPTIE, &iwr) < 0) {
		perror("ioctl[IEEE80211_IOCTL_SETOPTIE]");
		return -1;
	}
	return 0;
}

static int
wpa_driver_madwifi_del_key(struct wpa_driver_madwifi_data *drv, int key_idx,
			   const u8 *addr)
{
	struct ieee80211req_del_key wk;

	wpa_printf(MSG_DEBUG, "%s: keyidx=%d", __FUNCTION__, key_idx);
	os_memset(&wk, 0, sizeof(wk));
	wk.idk_keyix = key_idx;
	if (addr != NULL)
		os_memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);

	return set80211priv(drv, IEEE80211_IOCTL_DELKEY, &wk, sizeof(wk), 1);
}

static int
wpa_driver_madwifi_set_key(const char *ifname, void *priv, wpa_alg alg,
			   const u8 *addr, int key_idx, int set_tx,
			   const u8 *seq, size_t seq_len,
			   const u8 *key, size_t key_len)
{
	struct wpa_driver_madwifi_data *drv = priv;
	struct ieee80211req_key wk;
	char *alg_name;
	u_int8_t cipher;

	if (alg == WPA_ALG_NONE)
		return wpa_driver_madwifi_del_key(drv, key_idx, addr);

	switch (alg) {
	case WPA_ALG_WEP:
		if (addr == NULL || os_memcmp(addr, "\xff\xff\xff\xff\xff\xff",
					      ETH_ALEN) == 0) {
			/*
			 * madwifi did not seem to like static WEP key
			 * configuration with IEEE80211_IOCTL_SETKEY, so use
			 * Linux wireless extensions ioctl for this.
			 */
			return wpa_driver_wext_set_key(ifname, drv->wext, alg,
						       addr, key_idx, set_tx,
						       seq, seq_len,
						       key, key_len);
		}
		alg_name = "WEP";
		cipher = IEEE80211_CIPHER_WEP;
		break;
	case WPA_ALG_TKIP:
		alg_name = "TKIP";
		cipher = IEEE80211_CIPHER_TKIP;
		break;
	case WPA_ALG_CCMP:
		alg_name = "CCMP";
		cipher = IEEE80211_CIPHER_AES_CCM;
		break;
	default:
		wpa_printf(MSG_DEBUG, "%s: unknown/unsupported algorithm %d",
			__FUNCTION__, alg);
		return -1;
	}

	wpa_printf(MSG_DEBUG, "%s: alg=%s key_idx=%d set_tx=%d seq_len=%lu "
		   "key_len=%lu", __FUNCTION__, alg_name, key_idx, set_tx,
		   (unsigned long) seq_len, (unsigned long) key_len);

	if (seq_len > sizeof(u_int64_t)) {
		wpa_printf(MSG_DEBUG, "%s: seq_len %lu too big",
			   __FUNCTION__, (unsigned long) seq_len);
		return -2;
	}
	if (key_len > sizeof(wk.ik_keydata)) {
		wpa_printf(MSG_DEBUG, "%s: key length %lu too big",
			   __FUNCTION__, (unsigned long) key_len);
		return -3;
	}

	os_memset(&wk, 0, sizeof(wk));
	wk.ik_type = cipher;
	wk.ik_flags = IEEE80211_KEY_RECV;
	if (addr == NULL ||
	    os_memcmp(addr, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) == 0)
		wk.ik_flags |= IEEE80211_KEY_GROUP;
	if (set_tx) {
		wk.ik_flags |= IEEE80211_KEY_XMIT | IEEE80211_KEY_DEFAULT;
		os_memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
	} else
		os_memset(wk.ik_macaddr, 0, IEEE80211_ADDR_LEN);
	wk.ik_keyix = key_idx;
	wk.ik_keylen = key_len;
#ifdef WORDS_BIGENDIAN
#define WPA_KEY_RSC_LEN 8
	{
		size_t i;
		u8 tmp[WPA_KEY_RSC_LEN];
		os_memset(tmp, 0, sizeof(tmp));
		for (i = 0; i < seq_len; i++)
			tmp[WPA_KEY_RSC_LEN - i - 1] = seq[i];
		os_memcpy(&wk.ik_keyrsc, tmp, WPA_KEY_RSC_LEN);
	}
#else /* WORDS_BIGENDIAN */
	os_memcpy(&wk.ik_keyrsc, seq, seq_len);
#endif /* WORDS_BIGENDIAN */
	os_memcpy(wk.ik_keydata, key, key_len);

	return set80211priv(drv, IEEE80211_IOCTL_SETKEY, &wk, sizeof(wk), 1);
}

static int
wpa_driver_madwifi_set_countermeasures(void *priv, int enabled)
{
	struct wpa_driver_madwifi_data *drv = priv;
	wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
	return set80211param(drv, IEEE80211_PARAM_COUNTERMEASURES, enabled, 1);
}

static int
wpa_driver_madwifi_deauthenticate(void *priv, const u8 *addr, int reason_code)
{
	struct wpa_driver_madwifi_data *drv = priv;
	struct ieee80211req_mlme mlme;

	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
	mlme.im_op = IEEE80211_MLME_DEAUTH;
	mlme.im_reason = reason_code;
	os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
	return set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme), 1);
}

static int
wpa_driver_madwifi_disassociate(void *priv, const u8 *addr, int reason_code)
{
	struct wpa_driver_madwifi_data *drv = priv;
	struct ieee80211req_mlme mlme;

	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
	mlme.im_op = IEEE80211_MLME_DISASSOC;
	mlme.im_reason = reason_code;
	os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
	return set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme), 1);
}

static int
wpa_driver_madwifi_associate(void *priv,
			     struct wpa_driver_associate_params *params)
{
	struct wpa_driver_madwifi_data *drv = priv;
	struct ieee80211req_mlme mlme;
	int ret = 0, privacy = 1;

	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);

	if (set80211param(drv, IEEE80211_PARAM_DROPUNENCRYPTED,
			  params->drop_unencrypted, 1) < 0)
		ret = -1;
	if (wpa_driver_madwifi_set_auth_alg(drv, params->auth_alg) < 0)
		ret = -1;

	/*
	 * NB: Don't need to set the freq or cipher-related state as
	 *     this is implied by the bssid which is used to locate
	 *     the scanned node state which holds it.  The ssid is
	 *     needed to disambiguate an AP that broadcasts multiple
	 *     ssid's but uses the same bssid.
	 */
	/* XXX error handling is wrong but unclear what to do... */
	if (wpa_driver_madwifi_set_wpa_ie(drv, params->wpa_ie,
					  params->wpa_ie_len) < 0)
		ret = -1;

	if (params->pairwise_suite == CIPHER_NONE &&
	    params->group_suite == CIPHER_NONE &&
	    params->key_mgmt_suite == KEY_MGMT_NONE &&
	    params->wpa_ie_len == 0)
		privacy = 0;

	if (set80211param(drv, IEEE80211_PARAM_PRIVACY, privacy, 1) < 0)
		ret = -1;

	if (params->wpa_ie_len &&
	    set80211param(drv, IEEE80211_PARAM_WPA,
			  params->wpa_ie[0] == WLAN_EID_RSN ? 2 : 1, 1) < 0)
		ret = -1;

	if (params->bssid == NULL) {
		/* ap_scan=2 mode - driver takes care of AP selection and
		 * roaming */
		/* FIX: this does not seem to work; would probably need to
		 * change something in the driver */
		if (set80211param(drv, IEEE80211_PARAM_ROAMING, 0, 1) < 0)
			ret = -1;

		if (wpa_driver_wext_set_ssid(drv->wext, params->ssid,
					     params->ssid_len) < 0)
			ret = -1;
	} else {
		if (set80211param(drv, IEEE80211_PARAM_ROAMING, 2, 1) < 0)
			ret = -1;
		if (wpa_driver_wext_set_ssid(drv->wext, params->ssid,
					     params->ssid_len) < 0)
			ret = -1;
		os_memset(&mlme, 0, sizeof(mlme));
		mlme.im_op = IEEE80211_MLME_ASSOC;
		os_memcpy(mlme.im_macaddr, params->bssid, IEEE80211_ADDR_LEN);
		if (set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme,
				 sizeof(mlme), 1) < 0) {
			wpa_printf(MSG_DEBUG, "%s: SETMLME[ASSOC] failed",
				   __func__);
			ret = -1;
		}
	}

	return ret;
}

static int
wpa_driver_madwifi_set_auth_alg(void *priv, int auth_alg)
{
	struct wpa_driver_madwifi_data *drv = priv;
	int authmode;

	if ((auth_alg & AUTH_ALG_OPEN_SYSTEM) &&
	    (auth_alg & AUTH_ALG_SHARED_KEY))
		authmode = IEEE80211_AUTH_AUTO;
	else if (auth_alg & AUTH_ALG_SHARED_KEY)
		authmode = IEEE80211_AUTH_SHARED;
	else
		authmode = IEEE80211_AUTH_OPEN;

	return set80211param(drv, IEEE80211_PARAM_AUTHMODE, authmode, 1);
}

static int
wpa_driver_madwifi_scan(void *priv, struct wpa_driver_scan_params *params)
{
	struct wpa_driver_madwifi_data *drv = priv;
	struct iwreq iwr;
	int ret = 0;
	const u8 *ssid = params->ssids[0].ssid;
	size_t ssid_len = params->ssids[0].ssid_len;

	wpa_driver_madwifi_set_probe_req_ie(drv, params->extra_ies,
					    params->extra_ies_len);

	os_memset(&iwr, 0, sizeof(iwr));
	os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);

	/* set desired ssid before scan */
	/* FIX: scan should not break the current association, so using
	 * set_ssid may not be the best way of doing this.. */
	if (wpa_driver_wext_set_ssid(drv->wext, ssid, ssid_len) < 0)
		ret = -1;

	if (ioctl(drv->sock, SIOCSIWSCAN, &iwr) < 0) {
		perror("ioctl[SIOCSIWSCAN]");
		ret = -1;
	}

	/*
	 * madwifi delivers a scan complete event so no need to poll, but
	 * register a backup timeout anyway to make sure that we recover even
	 * if the driver does not send this event for any reason. This timeout
	 * will only be used if the event is not delivered (event handler will
	 * cancel the timeout).
	 */
	eloop_cancel_timeout(wpa_driver_wext_scan_timeout, drv->wext,
			     drv->ctx);
	eloop_register_timeout(30, 0, wpa_driver_wext_scan_timeout, drv->wext,
			       drv->ctx);

	return ret;
}

static int wpa_driver_madwifi_get_bssid(void *priv, u8 *bssid)
{
	struct wpa_driver_madwifi_data *drv = priv;
	return wpa_driver_wext_get_bssid(drv->wext, bssid);
}


static int wpa_driver_madwifi_get_ssid(void *priv, u8 *ssid)
{
	struct wpa_driver_madwifi_data *drv = priv;
	return wpa_driver_wext_get_ssid(drv->wext, ssid);
}


static struct wpa_scan_results *
wpa_driver_madwifi_get_scan_results(void *priv)
{
	struct wpa_driver_madwifi_data *drv = priv;
	return wpa_driver_wext_get_scan_results(drv->wext);
}


static int wpa_driver_madwifi_set_operstate(void *priv, int state)
{
	struct wpa_driver_madwifi_data *drv = priv;
	return wpa_driver_wext_set_operstate(drv->wext, state);
}


static int wpa_driver_madwifi_set_probe_req_ie(void *priv, const u8 *ies,
					       size_t ies_len)
{
	struct ieee80211req_getset_appiebuf *probe_req_ie;
	int ret;

	probe_req_ie = os_malloc(sizeof(*probe_req_ie) + ies_len);
	if (probe_req_ie == NULL)
		return -1;

	probe_req_ie->app_frmtype = IEEE80211_APPIE_FRAME_PROBE_REQ;
	probe_req_ie->app_buflen = ies_len;
	os_memcpy(probe_req_ie->app_buf, ies, ies_len);

	ret = set80211priv(priv, IEEE80211_IOCTL_SET_APPIEBUF, probe_req_ie,
			   sizeof(struct ieee80211req_getset_appiebuf) +
			   ies_len, 1);

	os_free(probe_req_ie);

	return ret;
}


static void * wpa_driver_madwifi_init(void *ctx, const char *ifname)
{
	struct wpa_driver_madwifi_data *drv;

	drv = os_zalloc(sizeof(*drv));
	if (drv == NULL)
		return NULL;
	drv->wext = wpa_driver_wext_init(ctx, ifname);
	if (drv->wext == NULL)
		goto fail;

	drv->ctx = ctx;
	os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
	drv->sock = socket(PF_INET, SOCK_DGRAM, 0);
	if (drv->sock < 0)
		goto fail2;

	if (set80211param(drv, IEEE80211_PARAM_ROAMING, 2, 1) < 0) {
		wpa_printf(MSG_DEBUG, "%s: failed to set wpa_supplicant-based "
			   "roaming", __FUNCTION__);
		goto fail3;
	}

	if (set80211param(drv, IEEE80211_PARAM_WPA, 3, 1) < 0) {
		wpa_printf(MSG_DEBUG, "%s: failed to enable WPA support",
			   __FUNCTION__);
		goto fail3;
	}

	return drv;

fail3:
	close(drv->sock);
fail2:
	wpa_driver_wext_deinit(drv->wext);
fail:
	os_free(drv);
	return NULL;
}


static void wpa_driver_madwifi_deinit(void *priv)
{
	struct wpa_driver_madwifi_data *drv = priv;

	if (wpa_driver_madwifi_set_wpa_ie(drv, NULL, 0) < 0) {
		wpa_printf(MSG_DEBUG, "%s: failed to clear WPA IE",
			   __FUNCTION__);
	}
	if (set80211param(drv, IEEE80211_PARAM_ROAMING, 0, 1) < 0) {
		wpa_printf(MSG_DEBUG, "%s: failed to enable driver-based "
			   "roaming", __FUNCTION__);
	}
	if (set80211param(drv, IEEE80211_PARAM_PRIVACY, 0, 1) < 0) {
		wpa_printf(MSG_DEBUG, "%s: failed to disable forced Privacy "
			   "flag", __FUNCTION__);
	}
	if (set80211param(drv, IEEE80211_PARAM_WPA, 0, 1) < 0) {
		wpa_printf(MSG_DEBUG, "%s: failed to disable WPA",
			   __FUNCTION__);
	}

	wpa_driver_wext_deinit(drv->wext);

	close(drv->sock);
	os_free(drv);
}

#endif /* HOSTAPD */


const struct wpa_driver_ops wpa_driver_madwifi_ops = {
	.name			= "madwifi",
	.desc			= "MADWIFI 802.11 support (Atheros, etc.)",
	.set_key		= wpa_driver_madwifi_set_key,
#ifdef HOSTAPD
	.hapd_init		= madwifi_init,
	.hapd_deinit		= madwifi_deinit,
	.set_ieee8021x		= madwifi_set_ieee8021x,
	.set_privacy		= madwifi_set_privacy,
	.get_seqnum		= madwifi_get_seqnum,
	.flush			= madwifi_flush,
	.set_generic_elem	= madwifi_set_opt_ie,
	.sta_set_flags		= madwifi_sta_set_flags,
	.read_sta_data		= madwifi_read_sta_driver_data,
	.hapd_send_eapol	= madwifi_send_eapol,
	.sta_disassoc		= madwifi_sta_disassoc,
	.sta_deauth		= madwifi_sta_deauth,
	.hapd_set_ssid		= madwifi_set_ssid,
	.hapd_get_ssid		= madwifi_get_ssid,
	.hapd_set_countermeasures	= madwifi_set_countermeasures,
	.sta_clear_stats        = madwifi_sta_clear_stats,
	.commit			= madwifi_commit,
	.set_wps_beacon_ie	= madwifi_set_wps_beacon_ie,
	.set_wps_probe_resp_ie	= madwifi_set_wps_probe_resp_ie,
#else /* HOSTAPD */
	.get_bssid		= wpa_driver_madwifi_get_bssid,
	.get_ssid		= wpa_driver_madwifi_get_ssid,
	.init			= wpa_driver_madwifi_init,
	.deinit			= wpa_driver_madwifi_deinit,
	.set_countermeasures	= wpa_driver_madwifi_set_countermeasures,
	.scan2			= wpa_driver_madwifi_scan,
	.get_scan_results2	= wpa_driver_madwifi_get_scan_results,
	.deauthenticate		= wpa_driver_madwifi_deauthenticate,
	.disassociate		= wpa_driver_madwifi_disassociate,
	.associate		= wpa_driver_madwifi_associate,
	.set_operstate		= wpa_driver_madwifi_set_operstate,
#endif /* HOSTAPD */
};