aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/wireless/prism54/oid_mgt.c
blob: 42780320cd5cbef6ab1a2b9b13f91877b996c719 (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
/*
 *  Copyright (C) 2003,2004 Aurelien Alleaume <slts@free.fr>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#include <linux/kernel.h>

#include "prismcompat.h"
#include "islpci_dev.h"
#include "islpci_mgt.h"
#include "isl_oid.h"
#include "oid_mgt.h"
#include "isl_ioctl.h"

/* to convert between channel and freq */
static const int frequency_list_bg[] = { 2412, 2417, 2422, 2427, 2432,
	2437, 2442, 2447, 2452, 2457, 2462, 2467, 2472, 2484
};

int
channel_of_freq(int f)
{
	int c = 0;

	if ((f >= 2412) && (f <= 2484)) {
		while ((c < 14) && (f != frequency_list_bg[c]))
			c++;
		return (c >= 14) ? 0 : ++c;
	} else if ((f >= (int) 5000) && (f <= (int) 6000)) {
		return ( (f - 5000) / 5 );
	} else
		return 0;
}

#define OID_STRUCT(name,oid,s,t) [name] = {oid, 0, sizeof(s), t}
#define OID_STRUCT_C(name,oid,s,t) OID_STRUCT(name,oid,s,t | OID_FLAG_CACHED)
#define OID_U32(name,oid) OID_STRUCT(name,oid,u32,OID_TYPE_U32)
#define OID_U32_C(name,oid) OID_STRUCT_C(name,oid,u32,OID_TYPE_U32)
#define OID_STRUCT_MLME(name,oid) OID_STRUCT(name,oid,struct obj_mlme,OID_TYPE_MLME)
#define OID_STRUCT_MLMEEX(name,oid) OID_STRUCT(name,oid,struct obj_mlmeex,OID_TYPE_MLMEEX)

#define OID_UNKNOWN(name,oid) OID_STRUCT(name,oid,0,0)

struct oid_t isl_oid[] = {
	OID_STRUCT(GEN_OID_MACADDRESS, 0x00000000, u8[6], OID_TYPE_ADDR),
	OID_U32(GEN_OID_LINKSTATE, 0x00000001),
	OID_UNKNOWN(GEN_OID_WATCHDOG, 0x00000002),
	OID_UNKNOWN(GEN_OID_MIBOP, 0x00000003),
	OID_UNKNOWN(GEN_OID_OPTIONS, 0x00000004),
	OID_UNKNOWN(GEN_OID_LEDCONFIG, 0x00000005),

	/* 802.11 */
	OID_U32_C(DOT11_OID_BSSTYPE, 0x10000000),
	OID_STRUCT_C(DOT11_OID_BSSID, 0x10000001, u8[6], OID_TYPE_RAW),
	OID_STRUCT_C(DOT11_OID_SSID, 0x10000002, struct obj_ssid,
		     OID_TYPE_SSID),
	OID_U32(DOT11_OID_STATE, 0x10000003),
	OID_U32(DOT11_OID_AID, 0x10000004),
	OID_STRUCT(DOT11_OID_COUNTRYSTRING, 0x10000005, u8[4], OID_TYPE_RAW),
	OID_STRUCT_C(DOT11_OID_SSIDOVERRIDE, 0x10000006, struct obj_ssid,
		     OID_TYPE_SSID),

	OID_U32(DOT11_OID_MEDIUMLIMIT, 0x11000000),
	OID_U32_C(DOT11_OID_BEACONPERIOD, 0x11000001),
	OID_U32(DOT11_OID_DTIMPERIOD, 0x11000002),
	OID_U32(DOT11_OID_ATIMWINDOW, 0x11000003),
	OID_U32(DOT11_OID_LISTENINTERVAL, 0x11000004),
	OID_U32(DOT11_OID_CFPPERIOD, 0x11000005),
	OID_U32(DOT11_OID_CFPDURATION, 0x11000006),

	OID_U32_C(DOT11_OID_AUTHENABLE, 0x12000000),
	OID_U32_C(DOT11_OID_PRIVACYINVOKED, 0x12000001),
	OID_U32_C(DOT11_OID_EXUNENCRYPTED, 0x12000002),
	OID_U32_C(DOT11_OID_DEFKEYID, 0x12000003),
	[DOT11_OID_DEFKEYX] = {0x12000004, 3, sizeof (struct obj_key),
			       OID_FLAG_CACHED | OID_TYPE_KEY},	/* DOT11_OID_DEFKEY1,...DOT11_OID_DEFKEY4 */
	OID_UNKNOWN(DOT11_OID_STAKEY, 0x12000008),
	OID_U32(DOT11_OID_REKEYTHRESHOLD, 0x12000009),
	OID_UNKNOWN(DOT11_OID_STASC, 0x1200000a),

	OID_U32(DOT11_OID_PRIVTXREJECTED, 0x1a000000),
	OID_U32(DOT11_OID_PRIVRXPLAIN, 0x1a000001),
	OID_U32(DOT11_OID_PRIVRXFAILED, 0x1a000002),
	OID_U32(DOT11_OID_PRIVRXNOKEY, 0x1a000003),

	OID_U32_C(DOT11_OID_RTSTHRESH, 0x13000000),
	OID_U32_C(DOT11_OID_FRAGTHRESH, 0x13000001),
	OID_U32_C(DOT11_OID_SHORTRETRIES, 0x13000002),
	OID_U32_C(DOT11_OID_LONGRETRIES, 0x13000003),
	OID_U32_C(DOT11_OID_MAXTXLIFETIME, 0x13000004),
	OID_U32(DOT11_OID_MAXRXLIFETIME, 0x13000005),
	OID_U32(DOT11_OID_AUTHRESPTIMEOUT, 0x13000006),
	OID_U32(DOT11_OID_ASSOCRESPTIMEOUT, 0x13000007),

	OID_UNKNOWN(DOT11_OID_ALOFT_TABLE, 0x1d000000),
	OID_UNKNOWN(DOT11_OID_ALOFT_CTRL_TABLE, 0x1d000001),
	OID_UNKNOWN(DOT11_OID_ALOFT_RETREAT, 0x1d000002),
	OID_UNKNOWN(DOT11_OID_ALOFT_PROGRESS, 0x1d000003),
	OID_U32(DOT11_OID_ALOFT_FIXEDRATE, 0x1d000004),
	OID_UNKNOWN(DOT11_OID_ALOFT_RSSIGRAPH, 0x1d000005),
	OID_UNKNOWN(DOT11_OID_ALOFT_CONFIG, 0x1d000006),

	[DOT11_OID_VDCFX] = {0x1b000000, 7, 0, 0},
	OID_U32(DOT11_OID_MAXFRAMEBURST, 0x1b000008),

	OID_U32(DOT11_OID_PSM, 0x14000000),
	OID_U32(DOT11_OID_CAMTIMEOUT, 0x14000001),
	OID_U32(DOT11_OID_RECEIVEDTIMS, 0x14000002),
	OID_U32(DOT11_OID_ROAMPREFERENCE, 0x14000003),

	OID_U32(DOT11_OID_BRIDGELOCAL, 0x15000000),
	OID_U32(DOT11_OID_CLIENTS, 0x15000001),
	OID_U32(DOT11_OID_CLIENTSASSOCIATED, 0x15000002),
	[DOT11_OID_CLIENTX] = {0x15000003, 2006, 0, 0},	/* DOT11_OID_CLIENTX,...DOT11_OID_CLIENT2007 */

	OID_STRUCT(DOT11_OID_CLIENTFIND, 0x150007DB, u8[6], OID_TYPE_ADDR),
	OID_STRUCT(DOT11_OID_WDSLINKADD, 0x150007DC, u8[6], OID_TYPE_ADDR),
	OID_STRUCT(DOT11_OID_WDSLINKREMOVE, 0x150007DD, u8[6], OID_TYPE_ADDR),
	OID_STRUCT(DOT11_OID_EAPAUTHSTA, 0x150007DE, u8[6], OID_TYPE_ADDR),
	OID_STRUCT(DOT11_OID_EAPUNAUTHSTA, 0x150007DF, u8[6], OID_TYPE_ADDR),
	OID_U32_C(DOT11_OID_DOT1XENABLE, 0x150007E0),
	OID_UNKNOWN(DOT11_OID_MICFAILURE, 0x150007E1),
	OID_UNKNOWN(DOT11_OID_REKEYINDICATE, 0x150007E2),

	OID_U32(DOT11_OID_MPDUTXSUCCESSFUL, 0x16000000),
	OID_U32(DOT11_OID_MPDUTXONERETRY, 0x16000001),
	OID_U32(DOT11_OID_MPDUTXMULTIPLERETRIES, 0x16000002),
	OID_U32(DOT11_OID_MPDUTXFAILED, 0x16000003),
	OID_U32(DOT11_OID_MPDURXSUCCESSFUL, 0x16000004),
	OID_U32(DOT11_OID_MPDURXDUPS, 0x16000005),
	OID_U32(DOT11_OID_RTSSUCCESSFUL, 0x16000006),
	OID_U32(DOT11_OID_RTSFAILED, 0x16000007),
	OID_U32(DOT11_OID_ACKFAILED, 0x16000008),
	OID_U32(DOT11_OID_FRAMERECEIVES, 0x16000009),
	OID_U32(DOT11_OID_FRAMEERRORS, 0x1600000A),
	OID_U32(DOT11_OID_FRAMEABORTS, 0x1600000B),
	OID_U32(DOT11_OID_FRAMEABORTSPHY, 0x1600000C),

	OID_U32(DOT11_OID_SLOTTIME, 0x17000000),
	OID_U32(DOT11_OID_CWMIN, 0x17000001),
	OID_U32(DOT11_OID_CWMAX, 0x17000002),
	OID_U32(DOT11_OID_ACKWINDOW, 0x17000003),
	OID_U32(DOT11_OID_ANTENNARX, 0x17000004),
	OID_U32(DOT11_OID_ANTENNATX, 0x17000005),
	OID_U32(DOT11_OID_ANTENNADIVERSITY, 0x17000006),
	OID_U32_C(DOT11_OID_CHANNEL, 0x17000007),
	OID_U32_C(DOT11_OID_EDTHRESHOLD, 0x17000008),
	OID_U32(DOT11_OID_PREAMBLESETTINGS, 0x17000009),
	OID_STRUCT(DOT11_OID_RATES, 0x1700000A, u8[IWMAX_BITRATES + 1],
		   OID_TYPE_RAW),
	OID_U32(DOT11_OID_CCAMODESUPPORTED, 0x1700000B),
	OID_U32(DOT11_OID_CCAMODE, 0x1700000C),
	OID_UNKNOWN(DOT11_OID_RSSIVECTOR, 0x1700000D),
	OID_UNKNOWN(DOT11_OID_OUTPUTPOWERTABLE, 0x1700000E),
	OID_U32(DOT11_OID_OUTPUTPOWER, 0x1700000F),
	OID_STRUCT(DOT11_OID_SUPPORTEDRATES, 0x17000010,
		   u8[IWMAX_BITRATES + 1], OID_TYPE_RAW),
	OID_U32_C(DOT11_OID_FREQUENCY, 0x17000011),
	[DOT11_OID_SUPPORTEDFREQUENCIES] =
	    {0x17000012, 0, sizeof (struct obj_frequencies)
	     + sizeof (u16) * IWMAX_FREQ, OID_TYPE_FREQUENCIES},

	OID_U32(DOT11_OID_NOISEFLOOR, 0x17000013),
	OID_STRUCT(DOT11_OID_FREQUENCYACTIVITY, 0x17000014, u8[IWMAX_FREQ + 1],
		   OID_TYPE_RAW),
	OID_UNKNOWN(DOT11_OID_IQCALIBRATIONTABLE, 0x17000015),
	OID_U32(DOT11_OID_NONERPPROTECTION, 0x17000016),
	OID_U32(DOT11_OID_SLOTSETTINGS, 0x17000017),
	OID_U32(DOT11_OID_NONERPTIMEOUT, 0x17000018),
	OID_U32(DOT11_OID_PROFILES, 0x17000019),
	OID_STRUCT(DOT11_OID_EXTENDEDRATES, 0x17000020,
		   u8[IWMAX_BITRATES + 1], OID_TYPE_RAW),

	OID_STRUCT_MLME(DOT11_OID_DEAUTHENTICATE, 0x18000000),
	OID_STRUCT_MLME(DOT11_OID_AUTHENTICATE, 0x18000001),
	OID_STRUCT_MLME(DOT11_OID_DISASSOCIATE, 0x18000002),
	OID_STRUCT_MLME(DOT11_OID_ASSOCIATE, 0x18000003),
	OID_UNKNOWN(DOT11_OID_SCAN, 0x18000004),
	OID_STRUCT_MLMEEX(DOT11_OID_BEACON, 0x18000005),
	OID_STRUCT_MLMEEX(DOT11_OID_PROBE, 0x18000006),
	OID_STRUCT_MLMEEX(DOT11_OID_DEAUTHENTICATEEX, 0x18000007),
	OID_STRUCT_MLMEEX(DOT11_OID_AUTHENTICATEEX, 0x18000008),
	OID_STRUCT_MLMEEX(DOT11_OID_DISASSOCIATEEX, 0x18000009),
	OID_STRUCT_MLMEEX(DOT11_OID_ASSOCIATEEX, 0x1800000A),
	OID_STRUCT_MLMEEX(DOT11_OID_REASSOCIATE, 0x1800000B),
	OID_STRUCT_MLMEEX(DOT11_OID_REASSOCIATEEX, 0x1800000C),

	OID_U32(DOT11_OID_NONERPSTATUS, 0x1E000000),

	OID_U32(DOT11_OID_STATIMEOUT, 0x19000000),
	OID_U32_C(DOT11_OID_MLMEAUTOLEVEL, 0x19000001),
	OID_U32(DOT11_OID_BSSTIMEOUT, 0x19000002),
	[DOT11_OID_ATTACHMENT] = {0x19000003, 0,
		sizeof(struct obj_attachment), OID_TYPE_ATTACH},
	OID_STRUCT_C(DOT11_OID_PSMBUFFER, 0x19000004, struct obj_buffer,
		     OID_TYPE_BUFFER),

	OID_U32(DOT11_OID_BSSS, 0x1C000000),
	[DOT11_OID_BSSX] = {0x1C000001, 63, sizeof (struct obj_bss),
			    OID_TYPE_BSS},	/*DOT11_OID_BSS1,...,DOT11_OID_BSS64 */
	OID_STRUCT(DOT11_OID_BSSFIND, 0x1C000042, struct obj_bss, OID_TYPE_BSS),
	[DOT11_OID_BSSLIST] = {0x1C000043, 0, sizeof (struct
						      obj_bsslist) +
			       sizeof (struct obj_bss[IWMAX_BSS]),
			       OID_TYPE_BSSLIST},

	OID_UNKNOWN(OID_INL_TUNNEL, 0xFF020000),
	OID_UNKNOWN(OID_INL_MEMADDR, 0xFF020001),
	OID_UNKNOWN(OID_INL_MEMORY, 0xFF020002),
	OID_U32_C(OID_INL_MODE, 0xFF020003),
	OID_UNKNOWN(OID_INL_COMPONENT_NR, 0xFF020004),
	OID_STRUCT(OID_INL_VERSION, 0xFF020005, u8[8], OID_TYPE_RAW),
	OID_UNKNOWN(OID_INL_INTERFACE_ID, 0xFF020006),
	OID_UNKNOWN(OID_INL_COMPONENT_ID, 0xFF020007),
	OID_U32_C(OID_INL_CONFIG, 0xFF020008),
	OID_U32_C(OID_INL_DOT11D_CONFORMANCE, 0xFF02000C),
	OID_U32(OID_INL_PHYCAPABILITIES, 0xFF02000D),
	OID_U32_C(OID_INL_OUTPUTPOWER, 0xFF02000F),

};

int
mgt_init(islpci_private *priv)
{
	int i;

	priv->mib = kcalloc(OID_NUM_LAST, sizeof (void *), GFP_KERNEL);
	if (!priv->mib)
		return -ENOMEM;

	/* Alloc the cache */
	for (i = 0; i < OID_NUM_LAST; i++) {
		if (isl_oid[i].flags & OID_FLAG_CACHED) {
			priv->mib[i] = kmalloc(isl_oid[i].size *
					       (isl_oid[i].range + 1),
					       GFP_KERNEL);
			if (!priv->mib[i])
				return -ENOMEM;
			memset(priv->mib[i], 0,
			       isl_oid[i].size * (isl_oid[i].range + 1));
		} else
			priv->mib[i] = NULL;
	}

	init_rwsem(&priv->mib_sem);
	prism54_mib_init(priv);

	return 0;
}

void
mgt_clean(islpci_private *priv)
{
	int i;

	if (!priv->mib)
		return;
	for (i = 0; i < OID_NUM_LAST; i++) {
		kfree(priv->mib[i]);
		priv->mib[i] = NULL;
	}
	kfree(priv->mib);
	priv->mib = NULL;
}

void
mgt_le_to_cpu(int type, void *data)
{
	switch (type) {
	case OID_TYPE_U32:
		*(u32 *) data = le32_to_cpu(*(u32 *) data);
		break;
	case OID_TYPE_BUFFER:{
			struct obj_buffer *buff = data;
			buff->size = le32_to_cpu(buff->size);
			buff->addr = le32_to_cpu(buff->addr);
			break;
		}
	case OID_TYPE_BSS:{
			struct obj_bss *bss = data;
			bss->age = le16_to_cpu(bss->age);
			bss->channel = le16_to_cpu(bss->channel);
			bss->capinfo = le16_to_cpu(bss->capinfo);
			bss->rates = le16_to_cpu(bss->rates);
			bss->basic_rates = le16_to_cpu(bss->basic_rates);
			break;
		}
	case OID_TYPE_BSSLIST:{
			struct obj_bsslist *list = data;
			int i;
			list->nr = le32_to_cpu(list->nr);
			for (i = 0; i < list->nr; i++)
				mgt_le_to_cpu(OID_TYPE_BSS, &list->bsslist[i]);
			break;
		}
	case OID_TYPE_FREQUENCIES:{
			struct obj_frequencies *freq = data;
			int i;
			freq->nr = le16_to_cpu(freq->nr);
			for (i = 0; i < freq->nr; i++)
				freq->mhz[i] = le16_to_cpu(freq->mhz[i]);
			break;
		}
	case OID_TYPE_MLME:{
			struct obj_mlme *mlme = data;
			mlme->id = le16_to_cpu(mlme->id);
			mlme->state = le16_to_cpu(mlme->state);
			mlme->code = le16_to_cpu(mlme->code);
			break;
		}
	case OID_TYPE_MLMEEX:{
			struct obj_mlmeex *mlme = data;
			mlme->id = le16_to_cpu(mlme->id);
			mlme->state = le16_to_cpu(mlme->state);
			mlme->code = le16_to_cpu(mlme->code);
			mlme->size = le16_to_cpu(mlme->size);
			break;
		}
	case OID_TYPE_ATTACH:{
			struct obj_attachment *attach = data;
			attach->id = le16_to_cpu(attach->id);
			attach->size = le16_to_cpu(attach->size);
			break;
	}
	case OID_TYPE_SSID:
	case OID_TYPE_KEY:
	case OID_TYPE_ADDR:
	case OID_TYPE_RAW:
		break;
	default:
		BUG();
	}
}

static void
mgt_cpu_to_le(int type, void *data)
{
	switch (type) {
	case OID_TYPE_U32:
		*(u32 *) data = cpu_to_le32(*(u32 *) data);
		break;
	case OID_TYPE_BUFFER:{
			struct obj_buffer *buff = data;
			buff->size = cpu_to_le32(buff->size);
			buff->addr = cpu_to_le32(buff->addr);
			break;
		}
	case OID_TYPE_BSS:{
			struct obj_bss *bss = data;
			bss->age = cpu_to_le16(bss->age);
			bss->channel = cpu_to_le16(bss->channel);
			bss->capinfo = cpu_to_le16(bss->capinfo);
			bss->rates = cpu_to_le16(bss->rates);
			bss->basic_rates = cpu_to_le16(bss->basic_rates);
			break;
		}
	case OID_TYPE_BSSLIST:{
			struct obj_bsslist *list = data;
			int i;
			list->nr = cpu_to_le32(list->nr);
			for (i = 0; i < list->nr; i++)
				mgt_cpu_to_le(OID_TYPE_BSS, &list->bsslist[i]);
			break;
		}
	case OID_TYPE_FREQUENCIES:{
			struct obj_frequencies *freq = data;
			int i;
			freq->nr = cpu_to_le16(freq->nr);
			for (i = 0; i < freq->nr; i++)
				freq->mhz[i] = cpu_to_le16(freq->mhz[i]);
			break;
		}
	case OID_TYPE_MLME:{
			struct obj_mlme *mlme = data;
			mlme->id = cpu_to_le16(mlme->id);
			mlme->state = cpu_to_le16(mlme->state);
			mlme->code = cpu_to_le16(mlme->code);
			break;
		}
	case OID_TYPE_MLMEEX:{
			struct obj_mlmeex *mlme = data;
			mlme->id = cpu_to_le16(mlme->id);
			mlme->state = cpu_to_le16(mlme->state);
			mlme->code = cpu_to_le16(mlme->code);
			mlme->size = cpu_to_le16(mlme->size);
			break;
		}
	case OID_TYPE_ATTACH:{
			struct obj_attachment *attach = data;
			attach->id = cpu_to_le16(attach->id);
			attach->size = cpu_to_le16(attach->size);
			break;
	}
	case OID_TYPE_SSID:
	case OID_TYPE_KEY:
	case OID_TYPE_ADDR:
	case OID_TYPE_RAW:
		break;
	default:
		BUG();
	}
}

/* Note : data is modified during this function */

int
mgt_set_request(islpci_private *priv, enum oid_num_t n, int extra, void *data)
{
	int ret = 0;
	struct islpci_mgmtframe *response = NULL;
	int response_op = PIMFOR_OP_ERROR;
	int dlen;
	void *cache, *_data = data;
	u32 oid;

	BUG_ON(OID_NUM_LAST <= n);
	BUG_ON(extra > isl_oid[n].range);

	if (!priv->mib)
		/* memory has been freed */
		return -1;

	dlen = isl_oid[n].size;
	cache = priv->mib[n];
	cache += (cache ? extra * dlen : 0);
	oid = isl_oid[n].oid + extra;

	if (_data == NULL)
		/* we are requested to re-set a cached value */
		_data = cache;
	else
		mgt_cpu_to_le(isl_oid[n].flags & OID_FLAG_TYPE, _data);
	/* If we are going to write to the cache, we don't want anyone to read
	 * it -> acquire write lock.
	 * Else we could acquire a read lock to be sure we don't bother the
	 * commit process (which takes a write lock). But I'm not sure if it's
	 * needed.
	 */
	if (cache)
		down_write(&priv->mib_sem);

	if (islpci_get_state(priv) >= PRV_STATE_READY) {
		ret = islpci_mgt_transaction(priv->ndev, PIMFOR_OP_SET, oid,
					     _data, dlen, &response);
		if (!ret) {
			response_op = response->header->operation;
			islpci_mgt_release(response);
		}
		if (ret || response_op == PIMFOR_OP_ERROR)
			ret = -EIO;
	} else if (!cache)
		ret = -EIO;

	if (cache) {
		if (!ret && data)
			memcpy(cache, _data, dlen);
		up_write(&priv->mib_sem);
	}

	/* re-set given data to what it was */
	if (data)
		mgt_le_to_cpu(isl_oid[n].flags & OID_FLAG_TYPE, data);

	return ret;
}

/* None of these are cached */
int
mgt_set_varlen(islpci_private *priv, enum oid_num_t n, void *data, int extra_len)
{
	int ret = 0;
	struct islpci_mgmtframe *response;
	int response_op = PIMFOR_OP_ERROR;
	int dlen;
	u32 oid;

	BUG_ON(OID_NUM_LAST <= n);

	dlen = isl_oid[n].size;
	oid = isl_oid[n].oid;

	mgt_cpu_to_le(isl_oid[n].flags & OID_FLAG_TYPE, data);

	if (islpci_get_state(priv) >= PRV_STATE_READY) {
		ret = islpci_mgt_transaction(priv->ndev, PIMFOR_OP_SET, oid,
					     data, dlen + extra_len, &response);
		if (!ret) {
			response_op = response->header->operation;
			islpci_mgt_release(response);
		}
		if (ret || response_op == PIMFOR_OP_ERROR)
			ret = -EIO;
	} else
		ret = -EIO;

	/* re-set given data to what it was */
	if (data)
		mgt_le_to_cpu(isl_oid[n].flags & OID_FLAG_TYPE, data);

	return ret;
}

int
mgt_get_request(islpci_private *priv, enum oid_num_t n, int extra, void *data,
		union oid_res_t *res)
{

	int ret = -EIO;
	int reslen = 0;
	struct islpci_mgmtframe *response = NULL;

	int dlen;
	void *cache, *_res = NULL;
	u32 oid;

	BUG_ON(OID_NUM_LAST <= n);
	BUG_ON(extra > isl_oid[n].range);

	res->ptr = NULL;

	if (!priv->mib)
		/* memory has been freed */
		return -1;

	dlen = isl_oid[n].size;
	cache = priv->mib[n];
	cache += cache ? extra * dlen : 0;
	oid = isl_oid[n].oid + extra;
	reslen = dlen;

	if (cache)
		down_read(&priv->mib_sem);

	if (islpci_get_state(priv) >= PRV_STATE_READY) {
		ret = islpci_mgt_transaction(priv->ndev, PIMFOR_OP_GET,
					     oid, data, dlen, &response);
		if (ret || !response ||
		    response->header->operation == PIMFOR_OP_ERROR) {
			if (response)
				islpci_mgt_release(response);
			ret = -EIO;
		}
		if (!ret) {
			_res = response->data;
			reslen = response->header->length;
		}
	} else if (cache) {
		_res = cache;
		ret = 0;
	}
	if ((isl_oid[n].flags & OID_FLAG_TYPE) == OID_TYPE_U32)
		res->u = ret ? 0 : le32_to_cpu(*(u32 *) _res);
	else {
		res->ptr = kmalloc(reslen, GFP_KERNEL);
		BUG_ON(res->ptr == NULL);
		if (ret)
			memset(res->ptr, 0, reslen);
		else {
			memcpy(res->ptr, _res, reslen);
			mgt_le_to_cpu(isl_oid[n].flags & OID_FLAG_TYPE,
				      res->ptr);
		}
	}
	if (cache)
		up_read(&priv->mib_sem);

	if (response && !ret)
		islpci_mgt_release(response);

	if (reslen > isl_oid[n].size)
		printk(KERN_DEBUG
		       "mgt_get_request(0x%x): received data length was bigger "
		       "than expected (%d > %d). Memory is probably corrupted...",
		       oid, reslen, isl_oid[n].size);

	return ret;
}

/* lock outside */
int
mgt_commit_list(islpci_private *priv, enum oid_num_t *l, int n)
{
	int i, ret = 0;
	struct islpci_mgmtframe *response;

	for (i = 0; i < n; i++) {
		struct oid_t *t = &(isl_oid[l[i]]);
		void *data = priv->mib[l[i]];
		int j = 0;
		u32 oid = t->oid;
		BUG_ON(data == NULL);
		while (j <= t->range) {
			int r = islpci_mgt_transaction(priv->ndev, PIMFOR_OP_SET,
						      oid, data, t->size,
						      &response);
			if (response) {
				r |= (response->header->operation == PIMFOR_OP_ERROR);
				islpci_mgt_release(response);
			}
			if (r)
				printk(KERN_ERR "%s: mgt_commit_list: failure. "
					"oid=%08x err=%d\n",
					priv->ndev->name, oid, r);
			ret |= r;
			j++;
			oid++;
			data += t->size;
		}
	}
	return ret;
}

/* Lock outside */

void
mgt_set(islpci_private *priv, enum oid_num_t n, void *data)
{
	BUG_ON(OID_NUM_LAST <= n);
	BUG_ON(priv->mib[n] == NULL);

	memcpy(priv->mib[n], data, isl_oid[n].size);
	mgt_cpu_to_le(isl_oid[n].flags & OID_FLAG_TYPE, priv->mib[n]);
}

void
mgt_get(islpci_private *priv, enum oid_num_t n, void *res)
{
	BUG_ON(OID_NUM_LAST <= n);
	BUG_ON(priv->mib[n] == NULL);
	BUG_ON(res == NULL);

	memcpy(res, priv->mib[n], isl_oid[n].size);
	mgt_le_to_cpu(isl_oid[n].flags & OID_FLAG_TYPE, res);
}

/* Commits the cache. Lock outside. */

static enum oid_num_t commit_part1[] = {
	OID_INL_CONFIG,
	OID_INL_MODE,
	DOT11_OID_BSSTYPE,
	DOT11_OID_CHANNEL,
	DOT11_OID_MLMEAUTOLEVEL
};

static enum oid_num_t commit_part2[] = {
	DOT11_OID_SSID,
	DOT11_OID_PSMBUFFER,
	DOT11_OID_AUTHENABLE,
	DOT11_OID_PRIVACYINVOKED,
	DOT11_OID_EXUNENCRYPTED,
	DOT11_OID_DEFKEYX,	/* MULTIPLE */
	DOT11_OID_DEFKEYID,
	DOT11_OID_DOT1XENABLE,
	OID_INL_DOT11D_CONFORMANCE,
	/* Do not initialize this - fw < 1.0.4.3 rejects it
	OID_INL_OUTPUTPOWER,
	*/
};

/* update the MAC addr. */
static int
mgt_update_addr(islpci_private *priv)
{
	struct islpci_mgmtframe *res;
	int ret;

	ret = islpci_mgt_transaction(priv->ndev, PIMFOR_OP_GET,
				     isl_oid[GEN_OID_MACADDRESS].oid, NULL,
				     isl_oid[GEN_OID_MACADDRESS].size, &res);

	if ((ret == 0) && res && (res->header->operation != PIMFOR_OP_ERROR))
		memcpy(priv->ndev->dev_addr, res->data, 6);
	else
		ret = -EIO;
	if (res)
		islpci_mgt_release(res);

	if (ret)
		printk(KERN_ERR "%s: mgt_update_addr: failure\n", priv->ndev->name);
	return ret;
}

#define VEC_SIZE(a) ARRAY_SIZE(a)

int
mgt_commit(islpci_private *priv)
{
	int rvalue;
	u32 u;

	if (islpci_get_state(priv) < PRV_STATE_INIT)
		return 0;

	rvalue = mgt_commit_list(priv, commit_part1, VEC_SIZE(commit_part1));

	if (priv->iw_mode != IW_MODE_MONITOR)
		rvalue |= mgt_commit_list(priv, commit_part2, VEC_SIZE(commit_part2));

	u = OID_INL_MODE;
	rvalue |= mgt_commit_list(priv, &u, 1);
	rvalue |= mgt_update_addr(priv);

	if (rvalue) {
		/* some request have failed. The device might be in an
		   incoherent state. We should reset it ! */
		printk(KERN_DEBUG "%s: mgt_commit: failure\n", priv->ndev->name);
	}
	return rvalue;
}

/* The following OIDs need to be "unlatched":
 *
 * MEDIUMLIMIT,BEACONPERIOD,DTIMPERIOD,ATIMWINDOW,LISTENINTERVAL
 * FREQUENCY,EXTENDEDRATES.
 *
 * The way to do this is to set ESSID. Note though that they may get
 * unlatch before though by setting another OID. */
#if 0
void
mgt_unlatch_all(islpci_private *priv)
{
	u32 u;
	int rvalue = 0;

	if (islpci_get_state(priv) < PRV_STATE_INIT)
		return;

	u = DOT11_OID_SSID;
	rvalue = mgt_commit_list(priv, &u, 1);
	/* Necessary if in MANUAL RUN mode? */
#if 0
	u = OID_INL_MODE;
	rvalue |= mgt_commit_list(priv, &u, 1);

	u = DOT11_OID_MLMEAUTOLEVEL;
	rvalue |= mgt_commit_list(priv, &u, 1);

	u = OID_INL_MODE;
	rvalue |= mgt_commit_list(priv, &u, 1);
#endif

	if (rvalue)
		printk(KERN_DEBUG "%s: Unlatching OIDs failed\n", priv->ndev->name);
}
#endif

/* This will tell you if you are allowed to answer a mlme(ex) request .*/

int
mgt_mlme_answer(islpci_private *priv)
{
	u32 mlmeautolevel;
	/* Acquire a read lock because if we are in a mode change, it's
	 * possible to answer true, while the card is leaving master to managed
	 * mode. Answering to a mlme in this situation could hang the card.
	 */
	down_read(&priv->mib_sem);
	mlmeautolevel =
	    le32_to_cpu(*(u32 *) priv->mib[DOT11_OID_MLMEAUTOLEVEL]);
	up_read(&priv->mib_sem);

	return ((priv->iw_mode == IW_MODE_MASTER) &&
		(mlmeautolevel >= DOT11_MLME_INTERMEDIATE));
}

enum oid_num_t
mgt_oidtonum(u32 oid)
{
	int i;

	for (i = 0; i < OID_NUM_LAST; i++)
		if (isl_oid[i].oid == oid)
			return i;

	printk(KERN_DEBUG "looking for an unknown oid 0x%x", oid);

	return OID_NUM_LAST;
}

int
mgt_response_to_str(enum oid_num_t n, union oid_res_t *r, char *str)
{
	switch (isl_oid[n].flags & OID_FLAG_TYPE) {
	case OID_TYPE_U32:
		return snprintf(str, PRIV_STR_SIZE, "%u\n", r->u);
		break;
	case OID_TYPE_BUFFER:{
			struct obj_buffer *buff = r->ptr;
			return snprintf(str, PRIV_STR_SIZE,
					"size=%u\naddr=0x%X\n", buff->size,
					buff->addr);
		}
		break;
	case OID_TYPE_BSS:{
			struct obj_bss *bss = r->ptr;
			return snprintf(str, PRIV_STR_SIZE,
					"age=%u\nchannel=%u\n"
					"capinfo=0x%X\nrates=0x%X\n"
					"basic_rates=0x%X\n", bss->age,
					bss->channel, bss->capinfo,
					bss->rates, bss->basic_rates);
		}
		break;
	case OID_TYPE_BSSLIST:{
			struct obj_bsslist *list = r->ptr;
			int i, k;
			k = snprintf(str, PRIV_STR_SIZE, "nr=%u\n", list->nr);
			for (i = 0; i < list->nr; i++)
				k += snprintf(str + k, PRIV_STR_SIZE - k,
					      "bss[%u] : \nage=%u\nchannel=%u\n"
					      "capinfo=0x%X\nrates=0x%X\n"
					      "basic_rates=0x%X\n",
					      i, list->bsslist[i].age,
					      list->bsslist[i].channel,
					      list->bsslist[i].capinfo,
					      list->bsslist[i].rates,
					      list->bsslist[i].basic_rates);
			return k;
		}
		break;
	case OID_TYPE_FREQUENCIES:{
			struct obj_frequencies *freq = r->ptr;
			int i, t;
			printk("nr : %u\n", freq->nr);
			t = snprintf(str, PRIV_STR_SIZE, "nr=%u\n", freq->nr);
			for (i = 0; i < freq->nr; i++)
				t += snprintf(str + t, PRIV_STR_SIZE - t,
					      "mhz[%u]=%u\n", i, freq->mhz[i]);
			return t;
		}
		break;
	case OID_TYPE_MLME:{
			struct obj_mlme *mlme = r->ptr;
			return snprintf(str, PRIV_STR_SIZE,
					"id=0x%X\nstate=0x%X\ncode=0x%X\n",
					mlme->id, mlme->state, mlme->code);
		}
		break;
	case OID_TYPE_MLMEEX:{
			struct obj_mlmeex *mlme = r->ptr;
			return snprintf(str, PRIV_STR_SIZE,
					"id=0x%X\nstate=0x%X\n"
					"code=0x%X\nsize=0x%X\n", mlme->id,
					mlme->state, mlme->code, mlme->size);
		}
		break;
	case OID_TYPE_ATTACH:{
			struct obj_attachment *attach = r->ptr;
			return snprintf(str, PRIV_STR_SIZE,
					"id=%d\nsize=%d\n",
					attach->id,
					attach->size);
		}
		break;
	case OID_TYPE_SSID:{
			struct obj_ssid *ssid = r->ptr;
			return snprintf(str, PRIV_STR_SIZE,
					"length=%u\noctets=%.*s\n",
					ssid->length, ssid->length,
					ssid->octets);
		}
		break;
	case OID_TYPE_KEY:{
			struct obj_key *key = r->ptr;
			int t, i;
			t = snprintf(str, PRIV_STR_SIZE,
				     "type=0x%X\nlength=0x%X\nkey=0x",
				     key->type, key->length);
			for (i = 0; i < key->length; i++)
				t += snprintf(str + t, PRIV_STR_SIZE - t,
					      "%02X:", key->key[i]);
			t += snprintf(str + t, PRIV_STR_SIZE - t, "\n");
			return t;
		}
		break;
	case OID_TYPE_RAW:
	case OID_TYPE_ADDR:{
			unsigned char *buff = r->ptr;
			int t, i;
			t = snprintf(str, PRIV_STR_SIZE, "hex data=");
			for (i = 0; i < isl_oid[n].size; i++)
				t += snprintf(str + t, PRIV_STR_SIZE - t,
					      "%02X:", buff[i]);
			t += snprintf(str + t, PRIV_STR_SIZE - t, "\n");
			return t;
		}
		break;
	default:
		BUG();
	}
	return 0;
}