summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/airo.c
blob: e1b3e3c134fdfaeccbd2f575734fa9754b9660e6 (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
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
2779
2780
2781
2782
2783
2784
2785
2786
2787
2788
2789
2790
2791
2792
2793
2794
2795
2796
2797
2798
2799
2800
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813
2814
2815
2816
2817
2818
2819
2820
2821
2822
2823
2824
2825
2826
2827
2828
2829
2830
2831
2832
2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
2940
2941
2942
2943
2944
2945
2946
2947
2948
2949
2950
2951
2952
2953
2954
2955
2956
2957
2958
2959
2960
2961
2962
2963
2964
2965
2966
2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
2977
2978
2979
2980
2981
2982
2983
2984
2985
2986
2987
2988
2989
2990
2991
2992
2993
2994
2995
2996
2997
2998
2999
3000
3001
3002
3003
3004
3005
3006
3007
3008
3009
3010
3011
3012
3013
3014
3015
3016
3017
3018
3019
3020
3021
3022
3023
3024
3025
3026
3027
3028
3029
3030
3031
3032
3033
3034
3035
3036
3037
3038
3039
3040
3041
3042
3043
3044
3045
3046
3047
3048
3049
3050
3051
3052
3053
3054
3055
3056
3057
3058
3059
3060
3061
3062
3063
3064
3065
3066
3067
3068
3069
3070
3071
3072
3073
3074
3075
3076
3077
3078
3079
3080
3081
3082
3083
3084
3085
3086
3087
3088
3089
3090
3091
3092
3093
3094
3095
3096
3097
3098
3099
3100
3101
3102
3103
3104
3105
3106
3107
3108
3109
3110
3111
3112
3113
3114
3115
3116
3117
3118
3119
3120
3121
3122
3123
3124
3125
3126
3127
3128
3129
3130
3131
3132
3133
3134
3135
3136
3137
3138
3139
3140
3141
3142
3143
3144
3145
3146
3147
3148
3149
3150
3151
3152
3153
3154
3155
3156
3157
3158
3159
3160
3161
3162
3163
3164
3165
3166
3167
3168
3169
3170
3171
3172
3173
3174
3175
3176
3177
3178
3179
3180
3181
3182
3183
3184
3185
3186
3187
3188
3189
3190
3191
3192
3193
3194
3195
3196
3197
3198
3199
3200
3201
3202
3203
3204
3205
3206
3207
3208
3209
3210
3211
3212
3213
3214
3215
3216
3217
3218
3219
3220
3221
3222
3223
3224
3225
3226
3227
3228
3229
3230
3231
3232
3233
3234
3235
3236
3237
3238
3239
3240
3241
3242
3243
3244
3245
3246
3247
3248
3249
3250
3251
3252
3253
3254
3255
3256
3257
3258
3259
3260
3261
3262
3263
3264
3265
3266
3267
3268
3269
3270
3271
3272
3273
3274
3275
3276
3277
3278
3279
3280
3281
3282
3283
3284
3285
3286
3287
3288
3289
3290
3291
3292
3293
3294
3295
3296
3297
3298
3299
3300
3301
3302
3303
3304
3305
3306
3307
3308
3309
3310
3311
3312
3313
3314
3315
3316
3317
3318
3319
3320
3321
3322
3323
3324
3325
3326
3327
3328
3329
3330
3331
3332
3333
3334
3335
3336
3337
3338
3339
3340
3341
3342
3343
3344
3345
3346
3347
3348
3349
3350
3351
3352
3353
3354
3355
3356
3357
3358
3359
3360
3361
3362
3363
3364
3365
3366
3367
3368
3369
3370
3371
3372
3373
3374
3375
3376
3377
3378
3379
3380
3381
3382
3383
3384
3385
3386
3387
3388
3389
3390
3391
3392
3393
3394
3395
3396
3397
3398
3399
3400
3401
3402
3403
3404
3405
3406
3407
3408
3409
3410
3411
3412
3413
3414
3415
3416
3417
3418
3419
3420
3421
3422
3423
3424
3425
3426
3427
3428
3429
3430
3431
3432
3433
3434
3435
3436
3437
3438
3439
3440
3441
3442
3443
3444
3445
3446
3447
3448
3449
3450
3451
3452
3453
3454
3455
3456
3457
3458
3459
3460
3461
3462
3463
3464
3465
3466
3467
3468
3469
3470
3471
3472
3473
3474
3475
3476
3477
3478
3479
3480
3481
3482
3483
3484
3485
3486
3487
3488
3489
3490
3491
3492
3493
3494
3495
3496
3497
3498
3499
3500
3501
3502
3503
3504
3505
3506
3507
3508
3509
3510
3511
3512
3513
3514
3515
3516
3517
3518
3519
3520
3521
3522
3523
3524
3525
3526
3527
3528
3529
3530
3531
3532
3533
3534
3535
3536
3537
3538
3539
3540
3541
3542
3543
3544
3545
3546
3547
3548
3549
3550
3551
3552
3553
3554
3555
3556
3557
3558
3559
3560
3561
3562
3563
3564
3565
3566
3567
3568
3569
3570
3571
3572
3573
3574
3575
3576
3577
3578
3579
3580
3581
3582
3583
3584
3585
3586
3587
3588
3589
3590
3591
3592
3593
3594
3595
3596
3597
3598
3599
3600
3601
3602
3603
3604
3605
3606
3607
3608
3609
3610
3611
3612
3613
3614
3615
3616
3617
3618
3619
3620
3621
3622
3623
3624
3625
3626
3627
3628
3629
3630
3631
3632
3633
3634
3635
3636
3637
3638
3639
3640
3641
3642
3643
3644
3645
3646
3647
3648
3649
3650
3651
3652
3653
3654
3655
3656
3657
3658
3659
3660
3661
3662
3663
3664
3665
3666
3667
3668
3669
3670
3671
3672
3673
3674
3675
3676
3677
3678
3679
3680
3681
3682
3683
3684
3685
3686
3687
3688
3689
3690
3691
3692
3693
3694
3695
3696
3697
3698
3699
3700
3701
3702
3703
3704
3705
3706
3707
3708
3709
3710
3711
3712
3713
3714
3715
3716
3717
3718
3719
3720
3721
3722
3723
3724
3725
3726
3727
3728
3729
3730
3731
3732
3733
3734
3735
3736
3737
3738
3739
3740
3741
3742
3743
3744
3745
3746
3747
3748
3749
3750
3751
3752
3753
3754
3755
3756
3757
3758
3759
3760
3761
3762
3763
3764
3765
3766
3767
3768
3769
3770
3771
3772
3773
3774
3775
3776
3777
3778
3779
3780
3781
3782
3783
3784
3785
3786
3787
3788
3789
3790
3791
3792
3793
3794
3795
3796
3797
3798
3799
3800
3801
3802
3803
3804
3805
3806
3807
3808
3809
3810
3811
3812
3813
3814
3815
3816
3817
3818
3819
3820
3821
3822
3823
3824
3825
3826
3827
3828
3829
3830
3831
3832
3833
3834
3835
3836
3837
3838
3839
3840
3841
3842
3843
3844
3845
3846
3847
3848
3849
3850
3851
3852
3853
3854
3855
3856
3857
3858
3859
3860
3861
3862
3863
3864
3865
3866
3867
3868
3869
3870
3871
3872
3873
3874
3875
3876
3877
3878
3879
3880
3881
3882
3883
3884
3885
3886
3887
3888
3889
3890
3891
3892
3893
3894
3895
3896
3897
3898
3899
3900
3901
3902
3903
3904
3905
3906
3907
3908
3909
3910
3911
3912
3913
3914
3915
3916
3917
3918
3919
3920
3921
3922
3923
3924
3925
3926
3927
3928
3929
3930
3931
3932
3933
3934
3935
3936
3937
3938
3939
3940
3941
3942
3943
3944
3945
3946
3947
3948
3949
3950
3951
3952
3953
3954
3955
3956
3957
3958
3959
3960
3961
3962
3963
3964
3965
3966
3967
3968
3969
3970
3971
3972
3973
3974
3975
3976
3977
3978
3979
3980
3981
3982
3983
3984
3985
3986
3987
3988
3989
3990
3991
3992
3993
3994
3995
3996
3997
3998
3999
4000
4001
4002
4003
4004
4005
4006
4007
4008
4009
4010
4011
4012
4013
4014
4015
4016
4017
4018
4019
4020
4021
4022
4023
4024
4025
4026
4027
4028
4029
4030
4031
4032
4033
4034
4035
4036
4037
4038
4039
4040
4041
4042
4043
4044
4045
4046
4047
4048
4049
4050
4051
4052
4053
4054
4055
4056
4057
4058
4059
4060
4061
4062
4063
4064
4065
4066
4067
4068
4069
4070
4071
4072
4073
4074
4075
4076
4077
4078
4079
4080
4081
4082
4083
4084
4085
4086
4087
4088
4089
4090
4091
4092
4093
4094
4095
4096
4097
4098
4099
4100
4101
4102
4103
4104
4105
4106
4107
4108
4109
4110
4111
4112
4113
4114
4115
4116
4117
4118
4119
4120
4121
4122
4123
4124
4125
4126
4127
4128
4129
4130
4131
4132
4133
4134
4135
4136
4137
4138
4139
4140
4141
4142
4143
4144
4145
4146
4147
4148
4149
4150
4151
4152
4153
4154
4155
4156
4157
4158
4159
4160
4161
4162
4163
4164
4165
4166
4167
4168
4169
4170
4171
4172
4173
4174
4175
4176
4177
4178
4179
4180
4181
4182
4183
4184
4185
4186
4187
4188
4189
4190
4191
4192
4193
4194
4195
4196
4197
4198
4199
4200
4201
4202
4203
4204
4205
4206
4207
4208
4209
4210
4211
4212
4213
4214
4215
4216
4217
4218
4219
4220
4221
4222
4223
4224
4225
4226
4227
4228
4229
4230
4231
4232
4233
4234
4235
4236
4237
4238
4239
4240
4241
4242
4243
4244
4245
4246
4247
4248
4249
4250
4251
4252
4253
4254
4255
4256
4257
4258
4259
4260
4261
4262
4263
4264
4265
4266
4267
4268
4269
4270
4271
4272
4273
4274
4275
4276
4277
4278
4279
4280
4281
4282
4283
4284
4285
4286
4287
4288
4289
4290
4291
4292
4293
4294
4295
4296
4297
4298
4299
4300
4301
4302
4303
4304
4305
4306
4307
4308
4309
4310
4311
4312
4313
4314
4315
4316
4317
4318
4319
4320
4321
4322
4323
4324
4325
4326
4327
4328
4329
4330
4331
4332
4333
4334
4335
4336
4337
4338
4339
4340
4341
4342
4343
4344
4345
4346
4347
4348
4349
4350
4351
4352
4353
4354
4355
4356
4357
4358
4359
4360
4361
4362
4363
4364
4365
4366
4367
4368
4369
4370
4371
4372
4373
4374
4375
4376
4377
4378
4379
4380
4381
4382
4383
4384
4385
4386
4387
4388
4389
4390
4391
4392
4393
4394
4395
4396
4397
4398
4399
4400
4401
4402
4403
4404
4405
4406
4407
4408
4409
4410
4411
4412
4413
4414
4415
4416
4417
4418
4419
4420
4421
4422
4423
4424
4425
4426
4427
4428
4429
4430
4431
4432
4433
4434
4435
4436
4437
4438
4439
4440
4441
4442
4443
4444
4445
4446
4447
4448
4449
4450
4451
4452
4453
4454
4455
4456
4457
4458
4459
4460
4461
4462
4463
4464
4465
4466
4467
4468
4469
4470
4471
4472
4473
4474
4475
4476
4477
4478
4479
4480
4481
4482
4483
4484
4485
4486
4487
4488
4489
4490
4491
4492
4493
4494
4495
4496
4497
4498
4499
4500
4501
4502
4503
4504
4505
4506
4507
4508
4509
4510
4511
4512
4513
4514
4515
4516
4517
4518
4519
4520
4521
4522
4523
4524
4525
4526
4527
4528
4529
4530
4531
4532
4533
4534
4535
4536
4537
4538
4539
4540
4541
4542
4543
4544
4545
4546
4547
4548
4549
4550
4551
4552
4553
4554
4555
4556
4557
4558
4559
4560
4561
4562
4563
4564
4565
4566
4567
4568
4569
4570
4571
4572
4573
4574
4575
4576
4577
4578
4579
4580
4581
4582
4583
4584
4585
4586
4587
4588
4589
4590
4591
4592
4593
4594
4595
4596
4597
4598
4599
4600
4601
4602
4603
4604
4605
4606
4607
4608
4609
4610
4611
4612
4613
4614
4615
4616
4617
4618
4619
4620
4621
4622
4623
4624
4625
4626
4627
4628
4629
4630
4631
4632
4633
4634
4635
4636
4637
4638
4639
4640
4641
4642
4643
4644
4645
4646
4647
4648
4649
4650
4651
4652
4653
4654
4655
4656
4657
4658
4659
4660
4661
4662
4663
4664
4665
4666
4667
4668
4669
4670
4671
4672
4673
4674
4675
4676
4677
4678
4679
4680
4681
4682
4683
4684
4685
4686
4687
4688
4689
4690
4691
4692
4693
4694
4695
4696
4697
4698
4699
4700
4701
4702
4703
4704
4705
4706
4707
4708
4709
4710
4711
4712
4713
4714
4715
4716
4717
4718
4719
4720
4721
4722
4723
4724
4725
4726
4727
4728
4729
4730
4731
4732
4733
4734
4735
4736
4737
4738
4739
4740
4741
4742
4743
4744
4745
4746
4747
4748
4749
4750
4751
4752
4753
4754
4755
4756
4757
4758
4759
4760
4761
4762
4763
4764
4765
4766
4767
4768
4769
4770
4771
4772
4773
4774
4775
4776
4777
4778
4779
4780
4781
4782
4783
4784
4785
4786
4787
4788
4789
4790
4791
4792
4793
4794
4795
4796
4797
4798
4799
4800
4801
4802
4803
4804
4805
4806
4807
4808
4809
4810
4811
4812
4813
4814
4815
4816
4817
4818
4819
4820
4821
4822
4823
4824
4825
4826
4827
4828
4829
4830
4831
4832
4833
4834
4835
4836
4837
4838
4839
4840
4841
4842
4843
4844
4845
4846
4847
4848
4849
4850
4851
4852
4853
4854
4855
4856
4857
4858
4859
4860
4861
4862
4863
4864
4865
4866
4867
4868
4869
4870
4871
4872
4873
4874
4875
4876
4877
4878
4879
4880
4881
4882
4883
4884
4885
4886
4887
4888
4889
4890
4891
4892
4893
4894
4895
4896
4897
4898
4899
4900
4901
4902
4903
4904
4905
4906
4907
4908
4909
4910
4911
4912
4913
4914
4915
4916
4917
4918
4919
4920
4921
4922
4923
4924
4925
4926
4927
4928
4929
4930
4931
4932
4933
4934
4935
4936
4937
4938
4939
4940
4941
4942
4943
4944
4945
4946
4947
4948
4949
4950
4951
4952
4953
4954
4955
4956
4957
4958
4959
4960
4961
4962
4963
4964
4965
4966
4967
4968
4969
4970
4971
4972
4973
4974
4975
4976
4977
4978
4979
4980
4981
4982
4983
4984
4985
4986
4987
4988
4989
4990
4991
4992
4993
4994
4995
4996
4997
4998
4999
5000
5001
5002
5003
5004
5005
5006
5007
5008
5009
5010
5011
5012
5013
5014
5015
5016
5017
5018
5019
5020
5021
5022
5023
5024
5025
5026
5027
5028
5029
5030
5031
5032
5033
5034
5035
5036
5037
5038
5039
5040
5041
5042
5043
5044
5045
5046
5047
5048
5049
5050
5051
5052
5053
5054
5055
5056
5057
5058
5059
5060
5061
5062
5063
5064
5065
5066
5067
5068
5069
5070
5071
5072
5073
5074
5075
5076
5077
5078
5079
5080
5081
5082
5083
5084
5085
5086
5087
5088
5089
5090
5091
5092
5093
5094
5095
5096
5097
5098
5099
5100
5101
5102
5103
5104
5105
5106
5107
5108
5109
5110
5111
5112
5113
5114
5115
5116
5117
5118
5119
5120
5121
5122
5123
5124
5125
5126
5127
5128
5129
5130
5131
5132
5133
5134
5135
5136
5137
5138
5139
5140
5141
5142
5143
5144
5145
5146
5147
5148
5149
5150
5151
5152
5153
5154
5155
5156
5157
5158
5159
5160
5161
5162
5163
5164
5165
5166
5167
5168
5169
5170
5171
5172
5173
5174
5175
5176
5177
5178
5179
5180
5181
5182
5183
5184
5185
5186
5187
5188
5189
5190
5191
5192
5193
5194
5195
5196
5197
5198
5199
5200
5201
5202
5203
5204
5205
5206
5207
5208
5209
5210
5211
5212
5213
5214
5215
5216
5217
5218
5219
5220
5221
5222
5223
5224
5225
5226
5227
5228
5229
5230
5231
5232
5233
5234
5235
5236
5237
5238
5239
5240
5241
5242
5243
5244
5245
5246
5247
5248
5249
5250
5251
5252
5253
5254
5255
5256
5257
5258
5259
5260
5261
5262
5263
5264
5265
5266
5267
5268
5269
5270
5271
5272
5273
5274
5275
5276
5277
5278
5279
5280
5281
5282
5283
5284
5285
5286
5287
5288
5289
5290
5291
5292
5293
5294
5295
5296
5297
5298
5299
5300
5301
5302
5303
5304
5305
5306
5307
5308
5309
5310
5311
5312
5313
5314
5315
5316
5317
5318
5319
5320
5321
5322
5323
5324
5325
5326
5327
5328
5329
5330
5331
5332
5333
5334
5335
5336
5337
5338
5339
5340
5341
5342
5343
5344
5345
5346
5347
5348
5349
5350
5351
5352
5353
5354
5355
5356
5357
5358
5359
5360
5361
5362
5363
5364
5365
5366
5367
5368
5369
5370
5371
5372
5373
5374
5375
5376
5377
5378
5379
5380
5381
5382
5383
5384
5385
5386
5387
5388
5389
5390
5391
5392
5393
5394
5395
5396
5397
5398
5399
5400
5401
5402
5403
5404
5405
5406
5407
5408
5409
5410
5411
5412
5413
5414
5415
5416
5417
5418
5419
5420
5421
5422
5423
5424
5425
5426
5427
5428
5429
5430
5431
5432
5433
5434
5435
5436
5437
5438
5439
5440
5441
5442
5443
5444
5445
5446
5447
5448
5449
5450
5451
5452
5453
5454
5455
5456
5457
5458
5459
5460
5461
5462
5463
5464
5465
5466
5467
5468
5469
5470
5471
5472
5473
5474
5475
5476
5477
5478
5479
5480
5481
5482
5483
5484
5485
5486
5487
5488
5489
5490
5491
5492
5493
5494
5495
5496
5497
5498
5499
5500
5501
5502
5503
5504
5505
5506
5507
5508
5509
5510
5511
5512
5513
5514
5515
5516
5517
5518
5519
5520
5521
5522
5523
5524
5525
5526
5527
5528
5529
5530
5531
5532
5533
5534
5535
5536
5537
5538
5539
5540
5541
5542
5543
5544
5545
5546
5547
5548
5549
5550
5551
5552
5553
5554
5555
5556
5557
5558
5559
5560
5561
5562
5563
5564
5565
5566
5567
5568
5569
5570
5571
5572
5573
5574
5575
5576
5577
5578
5579
5580
5581
5582
5583
5584
5585
5586
5587
5588
5589
5590
5591
5592
5593
5594
5595
5596
5597
5598
5599
5600
5601
5602
5603
5604
5605
5606
5607
5608
5609
5610
5611
5612
5613
5614
5615
5616
5617
5618
5619
5620
5621
5622
5623
5624
5625
5626
5627
5628
5629
5630
5631
5632
5633
5634
5635
5636
5637
5638
5639
5640
5641
5642
5643
5644
5645
5646
5647
5648
5649
5650
5651
5652
5653
5654
5655
5656
5657
5658
5659
5660
5661
5662
5663
5664
5665
5666
5667
5668
5669
5670
5671
5672
5673
5674
5675
5676
5677
5678
5679
5680
5681
5682
5683
5684
5685
5686
5687
5688
5689
5690
5691
5692
5693
5694
5695
5696
5697
5698
5699
5700
5701
5702
5703
5704
5705
5706
5707
5708
5709
5710
5711
5712
5713
5714
5715
5716
5717
5718
5719
5720
5721
5722
5723
5724
5725
5726
5727
5728
5729
5730
5731
5732
5733
5734
5735
5736
5737
5738
5739
5740
5741
5742
5743
5744
5745
5746
5747
5748
5749
5750
5751
5752
5753
5754
5755
5756
5757
5758
5759
5760
5761
5762
5763
5764
5765
5766
5767
5768
5769
5770
5771
5772
5773
5774
5775
5776
5777
5778
5779
5780
5781
5782
5783
5784
5785
5786
5787
5788
5789
5790
5791
5792
5793
5794
5795
5796
5797
5798
5799
5800
5801
5802
5803
5804
5805
5806
5807
5808
5809
5810
5811
5812
5813
5814
5815
5816
5817
5818
5819
5820
5821
5822
5823
5824
5825
5826
5827
5828
5829
5830
5831
5832
5833
5834
5835
5836
5837
5838
5839
5840
5841
5842
5843
5844
5845
5846
5847
5848
5849
5850
5851
5852
5853
5854
5855
5856
5857
5858
5859
5860
5861
5862
5863
5864
5865
5866
5867
5868
5869
5870
5871
5872
5873
5874
5875
5876
5877
5878
5879
5880
5881
5882
5883
5884
5885
5886
5887
5888
5889
5890
5891
5892
5893
5894
5895
5896
5897
5898
5899
5900
5901
5902
5903
5904
5905
5906
5907
5908
5909
5910
5911
5912
5913
5914
5915
5916
5917
5918
5919
5920
5921
5922
5923
5924
5925
5926
5927
5928
5929
5930
5931
5932
5933
5934
5935
5936
5937
5938
5939
5940
5941
5942
5943
5944
5945
5946
5947
5948
5949
5950
5951
5952
5953
5954
5955
5956
5957
5958
5959
5960
5961
5962
5963
5964
5965
5966
5967
5968
5969
5970
5971
5972
5973
5974
5975
5976
5977
5978
5979
5980
5981
5982
5983
5984
5985
5986
5987
5988
5989
5990
5991
5992
5993
5994
5995
5996
5997
5998
5999
6000
6001
6002
6003
6004
6005
6006
6007
6008
6009
6010
6011
6012
6013
6014
6015
6016
6017
6018
6019
6020
6021
6022
6023
6024
6025
6026
6027
6028
6029
6030
6031
6032
6033
6034
6035
6036
6037
6038
6039
6040
6041
6042
6043
6044
6045
6046
6047
6048
6049
6050
6051
6052
6053
6054
6055
6056
6057
6058
6059
6060
6061
6062
6063
6064
6065
6066
6067
6068
6069
6070
6071
6072
6073
6074
6075
6076
6077
6078
6079
6080
6081
6082
6083
6084
6085
6086
6087
6088
6089
6090
6091
6092
6093
6094
6095
6096
6097
6098
6099
6100
6101
6102
6103
6104
6105
6106
6107
6108
6109
6110
6111
6112
6113
6114
6115
6116
6117
6118
6119
6120
6121
6122
6123
6124
6125
6126
6127
6128
6129
6130
6131
6132
6133
6134
6135
6136
6137
6138
6139
6140
6141
6142
6143
6144
6145
6146
6147
6148
6149
6150
6151
6152
6153
6154
6155
6156
6157
6158
6159
6160
6161
6162
6163
6164
6165
6166
6167
6168
6169
6170
6171
6172
6173
6174
6175
6176
6177
6178
6179
6180
6181
6182
6183
6184
6185
6186
6187
6188
6189
6190
6191
6192
6193
6194
6195
6196
6197
6198
6199
6200
6201
6202
6203
6204
6205
6206
6207
6208
6209
6210
6211
6212
6213
6214
6215
6216
6217
6218
6219
6220
6221
6222
6223
6224
6225
6226
6227
6228
6229
6230
6231
6232
6233
6234
6235
6236
6237
6238
6239
6240
6241
6242
6243
6244
6245
6246
6247
6248
6249
6250
6251
6252
6253
6254
6255
6256
6257
6258
6259
6260
6261
6262
6263
6264
6265
6266
6267
6268
6269
6270
6271
6272
6273
6274
6275
6276
6277
6278
6279
6280
6281
6282
6283
6284
6285
6286
6287
6288
6289
6290
6291
6292
6293
6294
6295
6296
6297
6298
6299
6300
6301
6302
6303
6304
6305
6306
6307
6308
6309
6310
6311
6312
6313
6314
6315
6316
6317
6318
6319
6320
6321
6322
6323
6324
6325
6326
6327
6328
6329
6330
6331
6332
6333
6334
6335
6336
6337
6338
6339
6340
6341
6342
6343
6344
6345
6346
6347
6348
6349
6350
6351
6352
6353
6354
6355
6356
6357
6358
6359
6360
6361
6362
6363
6364
6365
6366
6367
6368
6369
6370
6371
6372
6373
6374
6375
6376
6377
6378
6379
6380
6381
6382
6383
6384
6385
6386
6387
6388
6389
6390
6391
6392
6393
6394
6395
6396
6397
6398
6399
6400
6401
6402
6403
6404
6405
6406
6407
6408
6409
6410
6411
6412
6413
6414
6415
6416
6417
6418
6419
6420
6421
6422
6423
6424
6425
6426
6427
6428
6429
6430
6431
6432
6433
6434
6435
6436
6437
6438
6439
6440
6441
6442
6443
6444
6445
6446
6447
6448
6449
6450
6451
6452
6453
6454
6455
6456
6457
6458
6459
6460
6461
6462
6463
6464
6465
6466
6467
6468
6469
6470
6471
6472
6473
6474
6475
6476
6477
6478
6479
6480
6481
6482
6483
6484
6485
6486
6487
6488
6489
6490
6491
6492
6493
6494
6495
6496
6497
6498
6499
6500
6501
6502
6503
6504
6505
6506
6507
6508
6509
6510
6511
6512
6513
6514
6515
6516
6517
6518
6519
6520
6521
6522
6523
6524
6525
6526
6527
6528
6529
6530
6531
6532
6533
6534
6535
6536
6537
6538
6539
6540
6541
6542
6543
6544
6545
6546
6547
6548
6549
6550
6551
6552
6553
6554
6555
6556
6557
6558
6559
6560
6561
6562
6563
6564
6565
6566
6567
6568
6569
6570
6571
6572
6573
6574
6575
6576
6577
6578
6579
6580
6581
6582
6583
6584
6585
6586
6587
6588
6589
6590
6591
6592
6593
6594
6595
6596
6597
6598
6599
6600
6601
6602
6603
6604
6605
6606
6607
6608
6609
6610
6611
6612
6613
6614
6615
6616
6617
6618
6619
6620
6621
6622
6623
6624
6625
6626
6627
6628
6629
6630
6631
6632
6633
6634
6635
6636
6637
6638
6639
6640
6641
6642
6643
6644
6645
6646
6647
6648
6649
6650
6651
6652
6653
6654
6655
6656
6657
6658
6659
6660
6661
6662
6663
6664
6665
6666
6667
6668
6669
6670
6671
6672
6673
6674
6675
6676
6677
6678
6679
6680
6681
6682
6683
6684
6685
6686
6687
6688
6689
6690
6691
6692
6693
6694
6695
6696
6697
6698
6699
6700
6701
6702
6703
6704
6705
6706
6707
6708
6709
6710
6711
6712
6713
6714
6715
6716
6717
6718
6719
6720
6721
6722
6723
6724
6725
6726
6727
6728
6729
6730
6731
6732
6733
6734
6735
6736
6737
6738
6739
6740
6741
6742
6743
6744
6745
6746
6747
6748
6749
6750
6751
6752
6753
6754
6755
6756
6757
6758
6759
6760
6761
6762
6763
6764
6765
6766
6767
6768
6769
6770
6771
6772
6773
6774
6775
6776
6777
6778
6779
6780
6781
6782
6783
6784
6785
6786
6787
6788
6789
6790
6791
6792
6793
6794
6795
6796
6797
6798
6799
6800
6801
6802
6803
6804
6805
6806
6807
6808
6809
6810
6811
6812
6813
6814
6815
6816
6817
6818
6819
6820
6821
6822
6823
6824
6825
6826
6827
6828
6829
6830
6831
6832
6833
6834
6835
6836
6837
6838
6839
6840
6841
6842
6843
6844
6845
6846
6847
6848
6849
6850
6851
6852
6853
6854
6855
6856
6857
6858
6859
6860
6861
6862
6863
6864
6865
6866
6867
6868
6869
6870
6871
6872
6873
6874
6875
6876
6877
6878
6879
6880
6881
6882
6883
6884
6885
6886
6887
6888
6889
6890
6891
6892
6893
6894
6895
6896
6897
6898
6899
6900
6901
6902
6903
6904
6905
6906
6907
6908
6909
6910
6911
6912
6913
6914
6915
6916
6917
6918
6919
6920
6921
6922
6923
6924
6925
6926
6927
6928
6929
6930
6931
6932
6933
6934
6935
6936
6937
6938
6939
6940
6941
6942
6943
6944
6945
6946
6947
6948
6949
6950
6951
6952
6953
6954
6955
6956
6957
6958
6959
6960
6961
6962
6963
6964
6965
6966
6967
6968
6969
6970
6971
6972
6973
6974
6975
6976
6977
6978
6979
6980
6981
6982
6983
6984
6985
6986
6987
6988
6989
6990
6991
6992
6993
6994
6995
6996
6997
6998
6999
7000
7001
7002
7003
7004
7005
7006
7007
7008
7009
7010
7011
7012
7013
7014
7015
7016
7017
7018
7019
7020
7021
7022
7023
7024
7025
7026
7027
7028
7029
7030
7031
7032
7033
7034
7035
7036
7037
7038
7039
7040
7041
7042
7043
7044
7045
7046
7047
7048
7049
7050
7051
7052
7053
7054
7055
7056
7057
7058
7059
7060
7061
7062
7063
7064
7065
7066
7067
7068
7069
7070
7071
7072
7073
7074
7075
7076
7077
7078
7079
7080
7081
7082
7083
7084
7085
7086
7087
7088
7089
7090
7091
7092
7093
7094
7095
7096
7097
7098
7099
7100
7101
7102
7103
7104
7105
7106
7107
7108
7109
7110
7111
7112
7113
7114
7115
7116
7117
7118
7119
7120
7121
7122
7123
7124
7125
7126
7127
7128
7129
7130
7131
7132
7133
7134
7135
7136
7137
7138
7139
7140
7141
7142
7143
7144
7145
7146
7147
7148
7149
7150
7151
7152
7153
7154
7155
7156
7157
7158
7159
7160
7161
7162
7163
7164
7165
7166
7167
7168
7169
7170
7171
7172
7173
7174
7175
7176
7177
7178
7179
7180
7181
7182
7183
7184
7185
7186
7187
7188
7189
7190
7191
7192
7193
7194
7195
7196
7197
7198
7199
7200
7201
7202
7203
7204
7205
7206
7207
7208
7209
7210
7211
7212
7213
7214
7215
7216
7217
7218
7219
7220
7221
7222
7223
7224
7225
7226
7227
7228
7229
7230
7231
7232
7233
7234
7235
7236
7237
7238
7239
7240
7241
7242
7243
7244
7245
7246
7247
7248
7249
7250
7251
7252
7253
7254
7255
7256
7257
7258
7259
7260
7261
7262
7263
7264
7265
7266
7267
7268
7269
7270
7271
7272
7273
7274
7275
7276
7277
7278
7279
7280
7281
7282
7283
7284
7285
7286
7287
7288
7289
7290
7291
7292
7293
7294
7295
7296
7297
7298
7299
7300
7301
7302
7303
7304
7305
7306
7307
7308
7309
7310
7311
7312
7313
7314
7315
7316
7317
7318
7319
7320
7321
7322
7323
7324
7325
7326
7327
7328
7329
7330
7331
7332
7333
7334
7335
7336
7337
7338
7339
7340
7341
7342
7343
7344
7345
7346
7347
7348
7349
7350
7351
7352
7353
7354
7355
7356
7357
7358
7359
7360
7361
7362
7363
7364
7365
7366
7367
7368
7369
7370
7371
7372
7373
7374
7375
7376
7377
7378
7379
7380
7381
7382
7383
7384
7385
7386
7387
7388
7389
7390
7391
7392
7393
7394
7395
7396
7397
7398
7399
7400
7401
7402
7403
7404
7405
7406
7407
7408
7409
7410
7411
7412
7413
7414
7415
7416
7417
7418
7419
7420
7421
7422
7423
7424
7425
7426
7427
7428
7429
7430
7431
7432
7433
7434
7435
7436
7437
7438
7439
7440
7441
7442
7443
7444
7445
7446
7447
7448
7449
7450
7451
7452
7453
7454
7455
7456
7457
7458
7459
7460
7461
7462
7463
7464
7465
7466
7467
7468
7469
7470
7471
7472
7473
7474
7475
7476
7477
7478
7479
7480
7481
7482
7483
7484
7485
7486
7487
7488
7489
7490
7491
7492
7493
7494
7495
7496
7497
7498
7499
7500
7501
7502
7503
7504
7505
7506
7507
7508
7509
7510
7511
7512
7513
7514
7515
7516
7517
7518
7519
7520
7521
7522
7523
7524
7525
7526
7527
7528
7529
7530
7531
7532
7533
7534
7535
7536
7537
7538
7539
7540
7541
7542
7543
7544
7545
7546
7547
7548
7549
7550
7551
7552
7553
7554
7555
7556
7557
7558
7559
7560
7561
7562
7563
7564
7565
7566
7567
7568
7569
7570
7571
7572
7573
7574
7575
7576
7577
7578
7579
7580
7581
7582
7583
7584
7585
7586
7587
7588
7589
7590
7591
7592
7593
7594
7595
7596
7597
7598
7599
7600
7601
7602
7603
7604
7605
7606
7607
7608
7609
7610
7611
7612
7613
7614
7615
7616
7617
7618
7619
7620
7621
7622
7623
7624
7625
7626
7627
7628
7629
7630
7631
7632
7633
7634
7635
7636
7637
7638
7639
7640
7641
7642
7643
7644
7645
7646
7647
7648
7649
7650
7651
7652
7653
7654
7655
7656
7657
7658
7659
7660
7661
7662
7663
7664
7665
7666
7667
7668
7669
7670
7671
7672
7673
7674
7675
7676
7677
7678
7679
7680
7681
7682
7683
7684
7685
7686
7687
7688
7689
7690
7691
7692
7693
7694
7695
7696
7697
7698
7699
7700
7701
7702
7703
7704
7705
7706
7707
7708
7709
7710
7711
7712
7713
7714
7715
7716
7717
7718
7719
7720
7721
7722
7723
7724
7725
7726
7727
7728
7729
7730
7731
7732
7733
7734
7735
7736
7737
7738
7739
7740
7741
7742
7743
7744
7745
7746
7747
7748
7749
7750
7751
7752
7753
7754
7755
7756
7757
7758
7759
7760
7761
7762
7763
7764
7765
7766
7767
7768
7769
7770
7771
7772
7773
7774
7775
7776
7777
7778
7779
7780
7781
7782
7783
7784
7785
7786
7787
7788
7789
7790
7791
7792
7793
7794
7795
7796
7797
7798
7799
7800
7801
7802
7803
7804
7805
7806
7807
7808
7809
7810
7811
7812
7813
7814
7815
7816
7817
7818
7819
7820
7821
7822
7823
7824
7825
7826
7827
7828
7829
7830
7831
7832
7833
7834
7835
7836
7837
7838
7839
7840
7841
7842
7843
7844
7845
7846
7847
7848
7849
7850
7851
7852
7853
7854
7855
7856
7857
7858
7859
7860
7861
7862
7863
7864
7865
7866
7867
7868
7869
7870
7871
7872
7873
7874
7875
7876
7877
7878
7879
7880
7881
7882
7883
7884
7885
7886
7887
7888
7889
7890
7891
7892
7893
7894
7895
7896
7897
7898
7899
7900
7901
7902
7903
7904
7905
7906
7907
7908
7909
7910
7911
7912
7913
7914
7915
7916
7917
7918
7919
7920
7921
7922
7923
7924
7925
7926
7927
7928
7929
7930
7931
7932
7933
7934
7935
7936
7937
7938
7939
7940
7941
7942
7943
7944
7945
7946
7947
7948
7949
7950
7951
7952
7953
7954
7955
7956
7957
7958
7959
7960
7961
7962
7963
7964
7965
7966
7967
7968
7969
7970
7971
7972
7973
7974
7975
7976
7977
7978
7979
7980
7981
7982
7983
7984
7985
7986
7987
7988
7989
7990
7991
7992
7993
7994
7995
7996
7997
7998
7999
8000
8001
8002
8003
8004
8005
8006
8007
8008
8009
8010
8011
8012
8013
8014
8015
8016
8017
8018
8019
8020
8021
8022
8023
8024
8025
8026
8027
8028
8029
8030
8031
8032
8033
8034
8035
8036
8037
8038
8039
8040
8041
8042
8043
8044
8045
8046
8047
8048
8049
8050
8051
8052
8053
8054
8055
8056
8057
8058
8059
8060
8061
8062
8063
8064
8065
8066
8067
8068
8069
8070
8071
8072
8073
8074
8075
8076
8077
8078
8079
8080
8081
8082
8083
8084
8085
8086
8087
8088
8089
8090
8091
8092
8093
8094
8095
8096
8097
8098
8099
8100
8101
8102
8103
8104
8105
8106
8107
8108
8109
8110
8111
8112
8113
8114
8115
8116
8117
8118
8119
8120
8121
8122
8123
8124
8125
8126
8127
8128
8129
8130
8131
8132
8133
8134
8135
8136
8137
8138
8139
8140
8141
8142
8143
8144
8145
8146
8147
8148
8149
8150
8151
8152
8153
8154
8155
8156
8157
8158
8159
8160
8161
8162
8163
8164
8165
8166
8167
8168
8169
8170
8171
8172
8173
8174
8175
8176
8177
8178
8179
8180
8181
8182
8183
8184
8185
8186
8187
8188
8189
8190
8191
8192
8193
8194
8195
8196
8197
8198
8199
8200
8201
8202
8203
8204
8205
8206
8207
8208
8209
8210
8211
8212
8213
8214
8215
8216
8217
8218
8219
8220
8221
8222
8223
8224
8225
8226
8227
8228
8229
8230
8231
8232
8233
8234
8235
8236
8237
8238
8239
8240
8241
8242
8243
8244
8245
8246
8247
8248
8249
8250
8251
8252
8253
8254
8255
8256
8257
8258
8259
8260
8261
8262
8263
8264
/*======================================================================

    Aironet driver for 4500 and 4800 series cards

    This code is released under both the GPL version 2 and BSD licenses.
    Either license may be used.  The respective licenses are found at
    the end of this file.

    This code was developed by Benjamin Reed <breed@users.sourceforge.net>
    including portions of which come from the Aironet PC4500
    Developer's Reference Manual and used with permission.  Copyright
    (C) 1999 Benjamin Reed.  All Rights Reserved.  Permission to use
    code in the Developer's manual was granted for this driver by
    Aironet.  Major code contributions were received from Javier Achirica
    <achirica@users.sourceforge.net> and Jean Tourrilhes <jt@hpl.hp.com>.
    Code was also integrated from the Cisco Aironet driver for Linux.
    Support for MPI350 cards was added by Fabrice Bellet
    <fabrice@bellet.info>.

======================================================================*/

#include <linux/err.h>
#include <linux/init.h>

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/proc_fs.h>

#include <linux/sched.h>
#include <linux/ptrace.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/timer.h>
#include <linux/interrupt.h>
#include <linux/in.h>
#include <linux/bitops.h>
#include <linux/scatterlist.h>
#include <linux/crypto.h>
#include <asm/io.h>
#include <asm/system.h>
#include <asm/unaligned.h>

#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/if_arp.h>
#include <linux/ioport.h>
#include <linux/pci.h>
#include <asm/uaccess.h>
#include <linux/kthread.h>
#include <linux/freezer.h>

#include <linux/ieee80211.h>
#include <net/iw_handler.h>

#include "airo.h"

#define DRV_NAME "airo"

#ifdef CONFIG_PCI
static DEFINE_PCI_DEVICE_TABLE(card_ids) = {
	{ 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
	{ 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
	{ 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
	{ 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
	{ 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
	{ 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
	{ 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
	{ 0, }
};
MODULE_DEVICE_TABLE(pci, card_ids);

static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
static void airo_pci_remove(struct pci_dev *);
static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
static int airo_pci_resume(struct pci_dev *pdev);

static struct pci_driver airo_driver = {
	.name     = DRV_NAME,
	.id_table = card_ids,
	.probe    = airo_pci_probe,
	.remove   = __devexit_p(airo_pci_remove),
	.suspend  = airo_pci_suspend,
	.resume   = airo_pci_resume,
};
#endif /* CONFIG_PCI */

/* Include Wireless Extension definition and check version - Jean II */
#include <linux/wireless.h>
#define WIRELESS_SPY		/* enable iwspy support */
#include <net/iw_handler.h>	/* New driver API */

#define CISCO_EXT		/* enable Cisco extensions */
#ifdef CISCO_EXT
#include <linux/delay.h>
#endif

/* Hack to do some power saving */
#define POWER_ON_DOWN

/* As you can see this list is HUGH!
   I really don't know what a lot of these counts are about, but they
   are all here for completeness.  If the IGNLABEL macro is put in
   infront of the label, that statistic will not be included in the list
   of statistics in the /proc filesystem */

#define IGNLABEL(comment) NULL
static const char *statsLabels[] = {
	"RxOverrun",
	IGNLABEL("RxPlcpCrcErr"),
	IGNLABEL("RxPlcpFormatErr"),
	IGNLABEL("RxPlcpLengthErr"),
	"RxMacCrcErr",
	"RxMacCrcOk",
	"RxWepErr",
	"RxWepOk",
	"RetryLong",
	"RetryShort",
	"MaxRetries",
	"NoAck",
	"NoCts",
	"RxAck",
	"RxCts",
	"TxAck",
	"TxRts",
	"TxCts",
	"TxMc",
	"TxBc",
	"TxUcFrags",
	"TxUcPackets",
	"TxBeacon",
	"RxBeacon",
	"TxSinColl",
	"TxMulColl",
	"DefersNo",
	"DefersProt",
	"DefersEngy",
	"DupFram",
	"RxFragDisc",
	"TxAged",
	"RxAged",
	"LostSync-MaxRetry",
	"LostSync-MissedBeacons",
	"LostSync-ArlExceeded",
	"LostSync-Deauth",
	"LostSync-Disassoced",
	"LostSync-TsfTiming",
	"HostTxMc",
	"HostTxBc",
	"HostTxUc",
	"HostTxFail",
	"HostRxMc",
	"HostRxBc",
	"HostRxUc",
	"HostRxDiscard",
	IGNLABEL("HmacTxMc"),
	IGNLABEL("HmacTxBc"),
	IGNLABEL("HmacTxUc"),
	IGNLABEL("HmacTxFail"),
	IGNLABEL("HmacRxMc"),
	IGNLABEL("HmacRxBc"),
	IGNLABEL("HmacRxUc"),
	IGNLABEL("HmacRxDiscard"),
	IGNLABEL("HmacRxAccepted"),
	"SsidMismatch",
	"ApMismatch",
	"RatesMismatch",
	"AuthReject",
	"AuthTimeout",
	"AssocReject",
	"AssocTimeout",
	IGNLABEL("ReasonOutsideTable"),
	IGNLABEL("ReasonStatus1"),
	IGNLABEL("ReasonStatus2"),
	IGNLABEL("ReasonStatus3"),
	IGNLABEL("ReasonStatus4"),
	IGNLABEL("ReasonStatus5"),
	IGNLABEL("ReasonStatus6"),
	IGNLABEL("ReasonStatus7"),
	IGNLABEL("ReasonStatus8"),
	IGNLABEL("ReasonStatus9"),
	IGNLABEL("ReasonStatus10"),
	IGNLABEL("ReasonStatus11"),
	IGNLABEL("ReasonStatus12"),
	IGNLABEL("ReasonStatus13"),
	IGNLABEL("ReasonStatus14"),
	IGNLABEL("ReasonStatus15"),
	IGNLABEL("ReasonStatus16"),
	IGNLABEL("ReasonStatus17"),
	IGNLABEL("ReasonStatus18"),
	IGNLABEL("ReasonStatus19"),
	"RxMan",
	"TxMan",
	"RxRefresh",
	"TxRefresh",
	"RxPoll",
	"TxPoll",
	"HostRetries",
	"LostSync-HostReq",
	"HostTxBytes",
	"HostRxBytes",
	"ElapsedUsec",
	"ElapsedSec",
	"LostSyncBetterAP",
	"PrivacyMismatch",
	"Jammed",
	"DiscRxNotWepped",
	"PhyEleMismatch",
	(char*)-1 };
#ifndef RUN_AT
#define RUN_AT(x) (jiffies+(x))
#endif


/* These variables are for insmod, since it seems that the rates
   can only be set in setup_card.  Rates should be a comma separated
   (no spaces) list of rates (up to 8). */

static int rates[8];
static char *ssids[3];

static int io[4];
static int irq[4];

static
int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
		       0 means no limit.  For old cards this was 4 */

static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
		    the bap, needed on some older cards and buses. */
static int adhoc;

static int probe = 1;

static int proc_uid /* = 0 */;

static int proc_gid /* = 0 */;

static int airo_perm = 0555;

static int proc_perm = 0644;

MODULE_AUTHOR("Benjamin Reed");
MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet cards.  "
		   "Direct support for ISA/PCI/MPI cards and support for PCMCIA when used with airo_cs.");
MODULE_LICENSE("Dual BSD/GPL");
MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
module_param_array(io, int, NULL, 0);
module_param_array(irq, int, NULL, 0);
module_param_array(rates, int, NULL, 0);
module_param_array(ssids, charp, NULL, 0);
module_param(auto_wep, int, 0);
MODULE_PARM_DESC(auto_wep,
		 "If non-zero, the driver will keep looping through the authentication options until an association is made.  "
		 "The value of auto_wep is number of the wep keys to check.  "
		 "A value of 2 will try using the key at index 0 and index 1.");
module_param(aux_bap, int, 0);
MODULE_PARM_DESC(aux_bap,
		 "If non-zero, the driver will switch into a mode that seems to work better for older cards with some older buses.  "
		 "Before switching it checks that the switch is needed.");
module_param(maxencrypt, int, 0);
MODULE_PARM_DESC(maxencrypt,
		 "The maximum speed that the card can do encryption.  "
		 "Units are in 512kbs.  "
		 "Zero (default) means there is no limit.  "
		 "Older cards used to be limited to 2mbs (4).");
module_param(adhoc, int, 0);
MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
module_param(probe, int, 0);
MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");

module_param(proc_uid, int, 0);
MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
module_param(proc_gid, int, 0);
MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
module_param(airo_perm, int, 0);
MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
module_param(proc_perm, int, 0);
MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");

/* This is a kind of sloppy hack to get this information to OUT4500 and
   IN4500.  I would be extremely interested in the situation where this
   doesn't work though!!! */
static int do8bitIO /* = 0 */;

/* Return codes */
#define SUCCESS 0
#define ERROR -1
#define NO_PACKET -2

/* Commands */
#define NOP2		0x0000
#define MAC_ENABLE	0x0001
#define MAC_DISABLE	0x0002
#define CMD_LOSE_SYNC	0x0003 /* Not sure what this does... */
#define CMD_SOFTRESET	0x0004
#define HOSTSLEEP	0x0005
#define CMD_MAGIC_PKT	0x0006
#define CMD_SETWAKEMASK	0x0007
#define CMD_READCFG	0x0008
#define CMD_SETMODE	0x0009
#define CMD_ALLOCATETX	0x000a
#define CMD_TRANSMIT	0x000b
#define CMD_DEALLOCATETX 0x000c
#define NOP		0x0010
#define CMD_WORKAROUND	0x0011
#define CMD_ALLOCATEAUX 0x0020
#define CMD_ACCESS	0x0021
#define CMD_PCIBAP	0x0022
#define CMD_PCIAUX	0x0023
#define CMD_ALLOCBUF	0x0028
#define CMD_GETTLV	0x0029
#define CMD_PUTTLV	0x002a
#define CMD_DELTLV	0x002b
#define CMD_FINDNEXTTLV	0x002c
#define CMD_PSPNODES	0x0030
#define CMD_SETCW	0x0031    
#define CMD_SETPCF	0x0032    
#define CMD_SETPHYREG	0x003e
#define CMD_TXTEST	0x003f
#define MAC_ENABLETX	0x0101
#define CMD_LISTBSS	0x0103
#define CMD_SAVECFG	0x0108
#define CMD_ENABLEAUX	0x0111
#define CMD_WRITERID	0x0121
#define CMD_USEPSPNODES	0x0130
#define MAC_ENABLERX	0x0201

/* Command errors */
#define ERROR_QUALIF 0x00
#define ERROR_ILLCMD 0x01
#define ERROR_ILLFMT 0x02
#define ERROR_INVFID 0x03
#define ERROR_INVRID 0x04
#define ERROR_LARGE 0x05
#define ERROR_NDISABL 0x06
#define ERROR_ALLOCBSY 0x07
#define ERROR_NORD 0x0B
#define ERROR_NOWR 0x0C
#define ERROR_INVFIDTX 0x0D
#define ERROR_TESTACT 0x0E
#define ERROR_TAGNFND 0x12
#define ERROR_DECODE 0x20
#define ERROR_DESCUNAV 0x21
#define ERROR_BADLEN 0x22
#define ERROR_MODE 0x80
#define ERROR_HOP 0x81
#define ERROR_BINTER 0x82
#define ERROR_RXMODE 0x83
#define ERROR_MACADDR 0x84
#define ERROR_RATES 0x85
#define ERROR_ORDER 0x86
#define ERROR_SCAN 0x87
#define ERROR_AUTH 0x88
#define ERROR_PSMODE 0x89
#define ERROR_RTYPE 0x8A
#define ERROR_DIVER 0x8B
#define ERROR_SSID 0x8C
#define ERROR_APLIST 0x8D
#define ERROR_AUTOWAKE 0x8E
#define ERROR_LEAP 0x8F

/* Registers */
#define COMMAND 0x00
#define PARAM0 0x02
#define PARAM1 0x04
#define PARAM2 0x06
#define STATUS 0x08
#define RESP0 0x0a
#define RESP1 0x0c
#define RESP2 0x0e
#define LINKSTAT 0x10
#define SELECT0 0x18
#define OFFSET0 0x1c
#define RXFID 0x20
#define TXALLOCFID 0x22
#define TXCOMPLFID 0x24
#define DATA0 0x36
#define EVSTAT 0x30
#define EVINTEN 0x32
#define EVACK 0x34
#define SWS0 0x28
#define SWS1 0x2a
#define SWS2 0x2c
#define SWS3 0x2e
#define AUXPAGE 0x3A
#define AUXOFF 0x3C
#define AUXDATA 0x3E

#define FID_TX 1
#define FID_RX 2
/* Offset into aux memory for descriptors */
#define AUX_OFFSET 0x800
/* Size of allocated packets */
#define PKTSIZE 1840
#define RIDSIZE 2048
/* Size of the transmit queue */
#define MAXTXQ 64

/* BAP selectors */
#define BAP0 0 /* Used for receiving packets */
#define BAP1 2 /* Used for xmiting packets and working with RIDS */

/* Flags */
#define COMMAND_BUSY 0x8000

#define BAP_BUSY 0x8000
#define BAP_ERR 0x4000
#define BAP_DONE 0x2000

#define PROMISC 0xffff
#define NOPROMISC 0x0000

#define EV_CMD 0x10
#define EV_CLEARCOMMANDBUSY 0x4000
#define EV_RX 0x01
#define EV_TX 0x02
#define EV_TXEXC 0x04
#define EV_ALLOC 0x08
#define EV_LINK 0x80
#define EV_AWAKE 0x100
#define EV_TXCPY 0x400
#define EV_UNKNOWN 0x800
#define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
#define EV_AWAKEN 0x2000
#define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)

#ifdef CHECK_UNKNOWN_INTS
#define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
#else
#define IGNORE_INTS (~STATUS_INTS)
#endif

/* RID TYPES */
#define RID_RW 0x20

/* The RIDs */
#define RID_CAPABILITIES 0xFF00
#define RID_APINFO     0xFF01
#define RID_RADIOINFO  0xFF02
#define RID_UNKNOWN3   0xFF03
#define RID_RSSI       0xFF04
#define RID_CONFIG     0xFF10
#define RID_SSID       0xFF11
#define RID_APLIST     0xFF12
#define RID_DRVNAME    0xFF13
#define RID_ETHERENCAP 0xFF14
#define RID_WEP_TEMP   0xFF15
#define RID_WEP_PERM   0xFF16
#define RID_MODULATION 0xFF17
#define RID_OPTIONS    0xFF18
#define RID_ACTUALCONFIG 0xFF20 /*readonly*/
#define RID_FACTORYCONFIG 0xFF21
#define RID_UNKNOWN22  0xFF22
#define RID_LEAPUSERNAME 0xFF23
#define RID_LEAPPASSWORD 0xFF24
#define RID_STATUS     0xFF50
#define RID_BEACON_HST 0xFF51
#define RID_BUSY_HST   0xFF52
#define RID_RETRIES_HST 0xFF53
#define RID_UNKNOWN54  0xFF54
#define RID_UNKNOWN55  0xFF55
#define RID_UNKNOWN56  0xFF56
#define RID_MIC        0xFF57
#define RID_STATS16    0xFF60
#define RID_STATS16DELTA 0xFF61
#define RID_STATS16DELTACLEAR 0xFF62
#define RID_STATS      0xFF68
#define RID_STATSDELTA 0xFF69
#define RID_STATSDELTACLEAR 0xFF6A
#define RID_ECHOTEST_RID 0xFF70
#define RID_ECHOTEST_RESULTS 0xFF71
#define RID_BSSLISTFIRST 0xFF72
#define RID_BSSLISTNEXT  0xFF73
#define RID_WPA_BSSLISTFIRST 0xFF74
#define RID_WPA_BSSLISTNEXT  0xFF75

typedef struct {
	u16 cmd;
	u16 parm0;
	u16 parm1;
	u16 parm2;
} Cmd;

typedef struct {
	u16 status;
	u16 rsp0;
	u16 rsp1;
	u16 rsp2;
} Resp;

/*
 * Rids and endian-ness:  The Rids will always be in cpu endian, since
 * this all the patches from the big-endian guys end up doing that.
 * so all rid access should use the read/writeXXXRid routines.
 */

/* This structure came from an email sent to me from an engineer at
   aironet for inclusion into this driver */
typedef struct WepKeyRid WepKeyRid;
struct WepKeyRid {
	__le16 len;
	__le16 kindex;
	u8 mac[ETH_ALEN];
	__le16 klen;
	u8 key[16];
} __packed;

/* These structures are from the Aironet's PC4500 Developers Manual */
typedef struct Ssid Ssid;
struct Ssid {
	__le16 len;
	u8 ssid[32];
} __packed;

typedef struct SsidRid SsidRid;
struct SsidRid {
	__le16 len;
	Ssid ssids[3];
} __packed;

typedef struct ModulationRid ModulationRid;
struct ModulationRid {
        __le16 len;
        __le16 modulation;
#define MOD_DEFAULT cpu_to_le16(0)
#define MOD_CCK cpu_to_le16(1)
#define MOD_MOK cpu_to_le16(2)
} __packed;

typedef struct ConfigRid ConfigRid;
struct ConfigRid {
	__le16 len; /* sizeof(ConfigRid) */
	__le16 opmode; /* operating mode */
#define MODE_STA_IBSS cpu_to_le16(0)
#define MODE_STA_ESS cpu_to_le16(1)
#define MODE_AP cpu_to_le16(2)
#define MODE_AP_RPTR cpu_to_le16(3)
#define MODE_CFG_MASK cpu_to_le16(0xff)
#define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
#define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
#define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
#define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
#define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
#define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
#define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
#define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
#define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
	__le16 rmode; /* receive mode */
#define RXMODE_BC_MC_ADDR cpu_to_le16(0)
#define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
#define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
#define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
#define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
#define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
#define RXMODE_MASK cpu_to_le16(255)
#define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
#define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
#define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
	__le16 fragThresh;
	__le16 rtsThres;
	u8 macAddr[ETH_ALEN];
	u8 rates[8];
	__le16 shortRetryLimit;
	__le16 longRetryLimit;
	__le16 txLifetime; /* in kusec */
	__le16 rxLifetime; /* in kusec */
	__le16 stationary;
	__le16 ordering;
	__le16 u16deviceType; /* for overriding device type */
	__le16 cfpRate;
	__le16 cfpDuration;
	__le16 _reserved1[3];
	/*---------- Scanning/Associating ----------*/
	__le16 scanMode;
#define SCANMODE_ACTIVE cpu_to_le16(0)
#define SCANMODE_PASSIVE cpu_to_le16(1)
#define SCANMODE_AIROSCAN cpu_to_le16(2)
	__le16 probeDelay; /* in kusec */
	__le16 probeEnergyTimeout; /* in kusec */
        __le16 probeResponseTimeout;
	__le16 beaconListenTimeout;
	__le16 joinNetTimeout;
	__le16 authTimeout;
	__le16 authType;
#define AUTH_OPEN cpu_to_le16(0x1)
#define AUTH_ENCRYPT cpu_to_le16(0x101)
#define AUTH_SHAREDKEY cpu_to_le16(0x102)
#define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
	__le16 associationTimeout;
	__le16 specifiedApTimeout;
	__le16 offlineScanInterval;
	__le16 offlineScanDuration;
	__le16 linkLossDelay;
	__le16 maxBeaconLostTime;
	__le16 refreshInterval;
#define DISABLE_REFRESH cpu_to_le16(0xFFFF)
	__le16 _reserved1a[1];
	/*---------- Power save operation ----------*/
	__le16 powerSaveMode;
#define POWERSAVE_CAM cpu_to_le16(0)
#define POWERSAVE_PSP cpu_to_le16(1)
#define POWERSAVE_PSPCAM cpu_to_le16(2)
	__le16 sleepForDtims;
	__le16 listenInterval;
	__le16 fastListenInterval;
	__le16 listenDecay;
	__le16 fastListenDelay;
	__le16 _reserved2[2];
	/*---------- Ap/Ibss config items ----------*/
	__le16 beaconPeriod;
	__le16 atimDuration;
	__le16 hopPeriod;
	__le16 channelSet;
	__le16 channel;
	__le16 dtimPeriod;
	__le16 bridgeDistance;
	__le16 radioID;
	/*---------- Radio configuration ----------*/
	__le16 radioType;
#define RADIOTYPE_DEFAULT cpu_to_le16(0)
#define RADIOTYPE_802_11 cpu_to_le16(1)
#define RADIOTYPE_LEGACY cpu_to_le16(2)
	u8 rxDiversity;
	u8 txDiversity;
	__le16 txPower;
#define TXPOWER_DEFAULT 0
	__le16 rssiThreshold;
#define RSSI_DEFAULT 0
        __le16 modulation;
#define PREAMBLE_AUTO cpu_to_le16(0)
#define PREAMBLE_LONG cpu_to_le16(1)
#define PREAMBLE_SHORT cpu_to_le16(2)
	__le16 preamble;
	__le16 homeProduct;
	__le16 radioSpecific;
	/*---------- Aironet Extensions ----------*/
	u8 nodeName[16];
	__le16 arlThreshold;
	__le16 arlDecay;
	__le16 arlDelay;
	__le16 _reserved4[1];
	/*---------- Aironet Extensions ----------*/
	u8 magicAction;
#define MAGIC_ACTION_STSCHG 1
#define MAGIC_ACTION_RESUME 2
#define MAGIC_IGNORE_MCAST (1<<8)
#define MAGIC_IGNORE_BCAST (1<<9)
#define MAGIC_SWITCH_TO_PSP (0<<10)
#define MAGIC_STAY_IN_CAM (1<<10)
	u8 magicControl;
	__le16 autoWake;
} __packed;

typedef struct StatusRid StatusRid;
struct StatusRid {
	__le16 len;
	u8 mac[ETH_ALEN];
	__le16 mode;
	__le16 errorCode;
	__le16 sigQuality;
	__le16 SSIDlen;
	char SSID[32];
	char apName[16];
	u8 bssid[4][ETH_ALEN];
	__le16 beaconPeriod;
	__le16 dimPeriod;
	__le16 atimDuration;
	__le16 hopPeriod;
	__le16 channelSet;
	__le16 channel;
	__le16 hopsToBackbone;
	__le16 apTotalLoad;
	__le16 generatedLoad;
	__le16 accumulatedArl;
	__le16 signalQuality;
	__le16 currentXmitRate;
	__le16 apDevExtensions;
	__le16 normalizedSignalStrength;
	__le16 shortPreamble;
	u8 apIP[4];
	u8 noisePercent; /* Noise percent in last second */
	u8 noisedBm; /* Noise dBm in last second */
	u8 noiseAvePercent; /* Noise percent in last minute */
	u8 noiseAvedBm; /* Noise dBm in last minute */
	u8 noiseMaxPercent; /* Highest noise percent in last minute */
	u8 noiseMaxdBm; /* Highest noise dbm in last minute */
	__le16 load;
	u8 carrier[4];
	__le16 assocStatus;
#define STAT_NOPACKETS 0
#define STAT_NOCARRIERSET 10
#define STAT_GOTCARRIERSET 11
#define STAT_WRONGSSID 20
#define STAT_BADCHANNEL 25
#define STAT_BADBITRATES 30
#define STAT_BADPRIVACY 35
#define STAT_APFOUND 40
#define STAT_APREJECTED 50
#define STAT_AUTHENTICATING 60
#define STAT_DEAUTHENTICATED 61
#define STAT_AUTHTIMEOUT 62
#define STAT_ASSOCIATING 70
#define STAT_DEASSOCIATED 71
#define STAT_ASSOCTIMEOUT 72
#define STAT_NOTAIROAP 73
#define STAT_ASSOCIATED 80
#define STAT_LEAPING 90
#define STAT_LEAPFAILED 91
#define STAT_LEAPTIMEDOUT 92
#define STAT_LEAPCOMPLETE 93
} __packed;

typedef struct StatsRid StatsRid;
struct StatsRid {
	__le16 len;
	__le16 spacer;
	__le32 vals[100];
} __packed;

typedef struct APListRid APListRid;
struct APListRid {
	__le16 len;
	u8 ap[4][ETH_ALEN];
} __packed;

typedef struct CapabilityRid CapabilityRid;
struct CapabilityRid {
	__le16 len;
	char oui[3];
	char zero;
	__le16 prodNum;
	char manName[32];
	char prodName[16];
	char prodVer[8];
	char factoryAddr[ETH_ALEN];
	char aironetAddr[ETH_ALEN];
	__le16 radioType;
	__le16 country;
	char callid[ETH_ALEN];
	char supportedRates[8];
	char rxDiversity;
	char txDiversity;
	__le16 txPowerLevels[8];
	__le16 hardVer;
	__le16 hardCap;
	__le16 tempRange;
	__le16 softVer;
	__le16 softSubVer;
	__le16 interfaceVer;
	__le16 softCap;
	__le16 bootBlockVer;
	__le16 requiredHard;
	__le16 extSoftCap;
} __packed;

/* Only present on firmware >= 5.30.17 */
typedef struct BSSListRidExtra BSSListRidExtra;
struct BSSListRidExtra {
  __le16 unknown[4];
  u8 fixed[12]; /* WLAN management frame */
  u8 iep[624];
} __packed;

typedef struct BSSListRid BSSListRid;
struct BSSListRid {
  __le16 len;
  __le16 index; /* First is 0 and 0xffff means end of list */
#define RADIO_FH 1 /* Frequency hopping radio type */
#define RADIO_DS 2 /* Direct sequence radio type */
#define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
  __le16 radioType;
  u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
  u8 zero;
  u8 ssidLen;
  u8 ssid[32];
  __le16 dBm;
#define CAP_ESS cpu_to_le16(1<<0)
#define CAP_IBSS cpu_to_le16(1<<1)
#define CAP_PRIVACY cpu_to_le16(1<<4)
#define CAP_SHORTHDR cpu_to_le16(1<<5)
  __le16 cap;
  __le16 beaconInterval;
  u8 rates[8]; /* Same as rates for config rid */
  struct { /* For frequency hopping only */
    __le16 dwell;
    u8 hopSet;
    u8 hopPattern;
    u8 hopIndex;
    u8 fill;
  } fh;
  __le16 dsChannel;
  __le16 atimWindow;

  /* Only present on firmware >= 5.30.17 */
  BSSListRidExtra extra;
} __packed;

typedef struct {
  BSSListRid bss;
  struct list_head list;
} BSSListElement;

typedef struct tdsRssiEntry tdsRssiEntry;
struct tdsRssiEntry {
  u8 rssipct;
  u8 rssidBm;
} __packed;

typedef struct tdsRssiRid tdsRssiRid;
struct tdsRssiRid {
  u16 len;
  tdsRssiEntry x[256];
} __packed;

typedef struct MICRid MICRid;
struct MICRid {
	__le16 len;
	__le16 state;
	__le16 multicastValid;
	u8  multicast[16];
	__le16 unicastValid;
	u8  unicast[16];
} __packed;

typedef struct MICBuffer MICBuffer;
struct MICBuffer {
	__be16 typelen;

	union {
	    u8 snap[8];
	    struct {
		u8 dsap;
		u8 ssap;
		u8 control;
		u8 orgcode[3];
		u8 fieldtype[2];
	    } llc;
	} u;
	__be32 mic;
	__be32 seq;
} __packed;

typedef struct {
	u8 da[ETH_ALEN];
	u8 sa[ETH_ALEN];
} etherHead;

#define TXCTL_TXOK (1<<1) /* report if tx is ok */
#define TXCTL_TXEX (1<<2) /* report if tx fails */
#define TXCTL_802_3 (0<<3) /* 802.3 packet */
#define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
#define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
#define TXCTL_LLC (1<<4) /* payload is llc */
#define TXCTL_RELEASE (0<<5) /* release after completion */
#define TXCTL_NORELEASE (1<<5) /* on completion returns to host */

#define BUSY_FID 0x10000

#ifdef CISCO_EXT
#define AIROMAGIC	0xa55a
/* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
#ifdef SIOCIWFIRSTPRIV
#ifdef SIOCDEVPRIVATE
#define AIROOLDIOCTL	SIOCDEVPRIVATE
#define AIROOLDIDIFC 	AIROOLDIOCTL + 1
#endif /* SIOCDEVPRIVATE */
#else /* SIOCIWFIRSTPRIV */
#define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
#endif /* SIOCIWFIRSTPRIV */
/* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
 * only and don't return the modified struct ifreq to the application which
 * is usually a problem. - Jean II */
#define AIROIOCTL	SIOCIWFIRSTPRIV
#define AIROIDIFC 	AIROIOCTL + 1

/* Ioctl constants to be used in airo_ioctl.command */

#define	AIROGCAP  		0	// Capability rid
#define AIROGCFG		1       // USED A LOT
#define AIROGSLIST		2	// System ID list
#define AIROGVLIST		3       // List of specified AP's
#define AIROGDRVNAM		4	//  NOTUSED
#define AIROGEHTENC		5	// NOTUSED
#define AIROGWEPKTMP		6
#define AIROGWEPKNV		7
#define AIROGSTAT		8
#define AIROGSTATSC32		9
#define AIROGSTATSD32		10
#define AIROGMICRID		11
#define AIROGMICSTATS		12
#define AIROGFLAGS		13
#define AIROGID			14
#define AIRORRID		15
#define AIRORSWVERSION		17

/* Leave gap of 40 commands after AIROGSTATSD32 for future */

#define AIROPCAP               	AIROGSTATSD32 + 40
#define AIROPVLIST              AIROPCAP      + 1
#define AIROPSLIST		AIROPVLIST    + 1
#define AIROPCFG		AIROPSLIST    + 1
#define AIROPSIDS		AIROPCFG      + 1
#define AIROPAPLIST		AIROPSIDS     + 1
#define AIROPMACON		AIROPAPLIST   + 1	/* Enable mac  */
#define AIROPMACOFF		AIROPMACON    + 1 	/* Disable mac */
#define AIROPSTCLR		AIROPMACOFF   + 1
#define AIROPWEPKEY		AIROPSTCLR    + 1
#define AIROPWEPKEYNV		AIROPWEPKEY   + 1
#define AIROPLEAPPWD            AIROPWEPKEYNV + 1
#define AIROPLEAPUSR            AIROPLEAPPWD  + 1

/* Flash codes */

#define AIROFLSHRST	       AIROPWEPKEYNV  + 40
#define AIROFLSHGCHR           AIROFLSHRST    + 1
#define AIROFLSHSTFL           AIROFLSHGCHR   + 1
#define AIROFLSHPCHR           AIROFLSHSTFL   + 1
#define AIROFLPUTBUF           AIROFLSHPCHR   + 1
#define AIRORESTART            AIROFLPUTBUF   + 1

#define FLASHSIZE	32768
#define AUXMEMSIZE	(256 * 1024)

typedef struct aironet_ioctl {
	unsigned short command;		// What to do
	unsigned short len;		// Len of data
	unsigned short ridnum;		// rid number
	unsigned char __user *data;	// d-data
} aironet_ioctl;

static const char swversion[] = "2.1";
#endif /* CISCO_EXT */

#define NUM_MODULES       2
#define MIC_MSGLEN_MAX    2400
#define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
#define AIRO_DEF_MTU      2312

typedef struct {
	u32   size;            // size
	u8    enabled;         // MIC enabled or not
	u32   rxSuccess;       // successful packets received
	u32   rxIncorrectMIC;  // pkts dropped due to incorrect MIC comparison
	u32   rxNotMICed;      // pkts dropped due to not being MIC'd
	u32   rxMICPlummed;    // pkts dropped due to not having a MIC plummed
	u32   rxWrongSequence; // pkts dropped due to sequence number violation
	u32   reserve[32];
} mic_statistics;

typedef struct {
	u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
	u64 accum;	// accumulated mic, reduced to u32 in final()
	int position;	// current position (byte offset) in message
	union {
		u8  d8[4];
		__be32 d32;
	} part;	// saves partial message word across update() calls
} emmh32_context;

typedef struct {
	emmh32_context seed;	    // Context - the seed
	u32		 rx;	    // Received sequence number
	u32		 tx;	    // Tx sequence number
	u32		 window;    // Start of window
	u8		 valid;	    // Flag to say if context is valid or not
	u8		 key[16];
} miccntx;

typedef struct {
	miccntx mCtx;		// Multicast context
	miccntx uCtx;		// Unicast context
} mic_module;

typedef struct {
	unsigned int  rid: 16;
	unsigned int  len: 15;
	unsigned int  valid: 1;
	dma_addr_t host_addr;
} Rid;

typedef struct {
	unsigned int  offset: 15;
	unsigned int  eoc: 1;
	unsigned int  len: 15;
	unsigned int  valid: 1;
	dma_addr_t host_addr;
} TxFid;

struct rx_hdr {
	__le16 status, len;
	u8 rssi[2];
	u8 rate;
	u8 freq;
	__le16 tmp[4];
} __packed;

typedef struct {
	unsigned int  ctl: 15;
	unsigned int  rdy: 1;
	unsigned int  len: 15;
	unsigned int  valid: 1;
	dma_addr_t host_addr;
} RxFid;

/*
 * Host receive descriptor
 */
typedef struct {
	unsigned char __iomem *card_ram_off; /* offset into card memory of the
						desc */
	RxFid         rx_desc;		     /* card receive descriptor */
	char          *virtual_host_addr;    /* virtual address of host receive
					        buffer */
	int           pending;
} HostRxDesc;

/*
 * Host transmit descriptor
 */
typedef struct {
	unsigned char __iomem *card_ram_off;	     /* offset into card memory of the
						desc */
	TxFid         tx_desc;		     /* card transmit descriptor */
	char          *virtual_host_addr;    /* virtual address of host receive
					        buffer */
	int           pending;
} HostTxDesc;

/*
 * Host RID descriptor
 */
typedef struct {
	unsigned char __iomem *card_ram_off;      /* offset into card memory of the
					     descriptor */
	Rid           rid_desc;		  /* card RID descriptor */
	char          *virtual_host_addr; /* virtual address of host receive
					     buffer */
} HostRidDesc;

typedef struct {
	u16 sw0;
	u16 sw1;
	u16 status;
	u16 len;
#define HOST_SET (1 << 0)
#define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
#define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
#define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
#define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
#define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
#define HOST_CLR_AID (1 << 7) /* clear AID failure */
#define HOST_RTS (1 << 9) /* Force RTS use */
#define HOST_SHORT (1 << 10) /* Do short preamble */
	u16 ctl;
	u16 aid;
	u16 retries;
	u16 fill;
} TxCtlHdr;

typedef struct {
        u16 ctl;
        u16 duration;
        char addr1[6];
        char addr2[6];
        char addr3[6];
        u16 seq;
        char addr4[6];
} WifiHdr;


typedef struct {
	TxCtlHdr ctlhdr;
	u16 fill1;
	u16 fill2;
	WifiHdr wifihdr;
	u16 gaplen;
	u16 status;
} WifiCtlHdr;

static WifiCtlHdr wifictlhdr8023 = {
	.ctlhdr = {
		.ctl	= HOST_DONT_RLSE,
	}
};

// A few details needed for WEP (Wireless Equivalent Privacy)
#define MAX_KEY_SIZE 13			// 128 (?) bits
#define MIN_KEY_SIZE  5			// 40 bits RC4 - WEP
typedef struct wep_key_t {
	u16	len;
	u8	key[16];	/* 40-bit and 104-bit keys */
} wep_key_t;

/* List of Wireless Handlers (new API) */
static const struct iw_handler_def	airo_handler_def;

static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";

struct airo_info;

static int get_dec_u16( char *buffer, int *start, int limit );
static void OUT4500( struct airo_info *, u16 register, u16 value );
static unsigned short IN4500( struct airo_info *, u16 register );
static u16 setup_card(struct airo_info*, u8 *mac, int lock);
static int enable_MAC(struct airo_info *ai, int lock);
static void disable_MAC(struct airo_info *ai, int lock);
static void enable_interrupts(struct airo_info*);
static void disable_interrupts(struct airo_info*);
static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
			int whichbap);
static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
			 int whichbap);
static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
		     int whichbap);
static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
static int PC4500_writerid(struct airo_info*, u16 rid, const void
			   *pBuf, int len, int lock);
static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
			int len, int dummy );
static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);

static int mpi_send_packet (struct net_device *dev);
static void mpi_unmap_card(struct pci_dev *pci);
static void mpi_receive_802_3(struct airo_info *ai);
static void mpi_receive_802_11(struct airo_info *ai);
static int waitbusy (struct airo_info *ai);

static irqreturn_t airo_interrupt( int irq, void* dev_id);
static int airo_thread(void *data);
static void timer_func( struct net_device *dev );
static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
static void airo_read_wireless_stats (struct airo_info *local);
#ifdef CISCO_EXT
static int readrids(struct net_device *dev, aironet_ioctl *comp);
static int writerids(struct net_device *dev, aironet_ioctl *comp);
static int flashcard(struct net_device *dev, aironet_ioctl *comp);
#endif /* CISCO_EXT */
static void micinit(struct airo_info *ai);
static int micsetup(struct airo_info *ai);
static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);

static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);

static void airo_networks_free(struct airo_info *ai);

struct airo_info {
	struct net_device             *dev;
	struct list_head              dev_list;
	/* Note, we can have MAX_FIDS outstanding.  FIDs are 16-bits, so we
	   use the high bit to mark whether it is in use. */
#define MAX_FIDS 6
#define MPI_MAX_FIDS 1
	u32                           fids[MAX_FIDS];
	ConfigRid config;
	char keyindex; // Used with auto wep
	char defindex; // Used with auto wep
	struct proc_dir_entry *proc_entry;
        spinlock_t aux_lock;
#define FLAG_RADIO_OFF	0	/* User disabling of MAC */
#define FLAG_RADIO_DOWN	1	/* ifup/ifdown disabling of MAC */
#define FLAG_RADIO_MASK 0x03
#define FLAG_ENABLED	2
#define FLAG_ADHOC	3	/* Needed by MIC */
#define FLAG_MIC_CAPABLE 4
#define FLAG_UPDATE_MULTI 5
#define FLAG_UPDATE_UNI 6
#define FLAG_802_11	7
#define FLAG_PROMISC	8	/* IFF_PROMISC 0x100 - include/linux/if.h */
#define FLAG_PENDING_XMIT 9
#define FLAG_PENDING_XMIT11 10
#define FLAG_MPI	11
#define FLAG_REGISTERED	12
#define FLAG_COMMIT	13
#define FLAG_RESET	14
#define FLAG_FLASHING	15
#define FLAG_WPA_CAPABLE	16
	unsigned long flags;
#define JOB_DIE	0
#define JOB_XMIT	1
#define JOB_XMIT11	2
#define JOB_STATS	3
#define JOB_PROMISC	4
#define JOB_MIC	5
#define JOB_EVENT	6
#define JOB_AUTOWEP	7
#define JOB_WSTATS	8
#define JOB_SCAN_RESULTS  9
	unsigned long jobs;
	int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
			int whichbap);
	unsigned short *flash;
	tdsRssiEntry *rssi;
	struct task_struct *list_bss_task;
	struct task_struct *airo_thread_task;
	struct semaphore sem;
	wait_queue_head_t thr_wait;
	unsigned long expires;
	struct {
		struct sk_buff *skb;
		int fid;
	} xmit, xmit11;
	struct net_device *wifidev;
	struct iw_statistics	wstats;		// wireless stats
	unsigned long		scan_timeout;	/* Time scan should be read */
	struct iw_spy_data	spy_data;
	struct iw_public_data	wireless_data;
	/* MIC stuff */
	struct crypto_cipher	*tfm;
	mic_module		mod[2];
	mic_statistics		micstats;
	HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
	HostTxDesc txfids[MPI_MAX_FIDS];
	HostRidDesc config_desc;
	unsigned long ridbus; // phys addr of config_desc
	struct sk_buff_head txq;// tx queue used by mpi350 code
	struct pci_dev          *pci;
	unsigned char		__iomem *pcimem;
	unsigned char		__iomem *pciaux;
	unsigned char		*shared;
	dma_addr_t		shared_dma;
	pm_message_t		power;
	SsidRid			*SSID;
	APListRid		*APList;
#define	PCI_SHARED_LEN		2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
	char			proc_name[IFNAMSIZ];

	int			wep_capable;
	int			max_wep_idx;

	/* WPA-related stuff */
	unsigned int bssListFirst;
	unsigned int bssListNext;
	unsigned int bssListRidLen;

	struct list_head network_list;
	struct list_head network_free_list;
	BSSListElement *networks;
};

static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
			   int whichbap)
{
	return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
}

static int setup_proc_entry( struct net_device *dev,
			     struct airo_info *apriv );
static int takedown_proc_entry( struct net_device *dev,
				struct airo_info *apriv );

static int cmdreset(struct airo_info *ai);
static int setflashmode (struct airo_info *ai);
static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
static int flashputbuf(struct airo_info *ai);
static int flashrestart(struct airo_info *ai,struct net_device *dev);

#define airo_print(type, name, fmt, args...) \
	printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)

#define airo_print_info(name, fmt, args...) \
	airo_print(KERN_INFO, name, fmt, ##args)

#define airo_print_dbg(name, fmt, args...) \
	airo_print(KERN_DEBUG, name, fmt, ##args)

#define airo_print_warn(name, fmt, args...) \
	airo_print(KERN_WARNING, name, fmt, ##args)

#define airo_print_err(name, fmt, args...) \
	airo_print(KERN_ERR, name, fmt, ##args)

#define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash)

/***********************************************************************
 *                              MIC ROUTINES                           *
 ***********************************************************************
 */

static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
static void MoveWindow(miccntx *context, u32 micSeq);
static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
			   struct crypto_cipher *tfm);
static void emmh32_init(emmh32_context *context);
static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
static void emmh32_final(emmh32_context *context, u8 digest[4]);
static int flashpchar(struct airo_info *ai,int byte,int dwelltime);

static void age_mic_context(miccntx *cur, miccntx *old, u8 *key, int key_len,
			    struct crypto_cipher *tfm)
{
	/* If the current MIC context is valid and its key is the same as
	 * the MIC register, there's nothing to do.
	 */
	if (cur->valid && (memcmp(cur->key, key, key_len) == 0))
		return;

	/* Age current mic Context */
	memcpy(old, cur, sizeof(*cur));

	/* Initialize new context */
	memcpy(cur->key, key, key_len);
	cur->window  = 33; /* Window always points to the middle */
	cur->rx      = 0;  /* Rx Sequence numbers */
	cur->tx      = 0;  /* Tx sequence numbers */
	cur->valid   = 1;  /* Key is now valid */

	/* Give key to mic seed */
	emmh32_setseed(&cur->seed, key, key_len, tfm);
}

/* micinit - Initialize mic seed */

static void micinit(struct airo_info *ai)
{
	MICRid mic_rid;

	clear_bit(JOB_MIC, &ai->jobs);
	PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
	up(&ai->sem);

	ai->micstats.enabled = (le16_to_cpu(mic_rid.state) & 0x00FF) ? 1 : 0;
	if (!ai->micstats.enabled) {
		/* So next time we have a valid key and mic is enabled, we will
		 * update the sequence number if the key is the same as before.
		 */
		ai->mod[0].uCtx.valid = 0;
		ai->mod[0].mCtx.valid = 0;
		return;
	}

	if (mic_rid.multicastValid) {
		age_mic_context(&ai->mod[0].mCtx, &ai->mod[1].mCtx,
		                mic_rid.multicast, sizeof(mic_rid.multicast),
		                ai->tfm);
	}

	if (mic_rid.unicastValid) {
		age_mic_context(&ai->mod[0].uCtx, &ai->mod[1].uCtx,
				mic_rid.unicast, sizeof(mic_rid.unicast),
				ai->tfm);
	}
}

/* micsetup - Get ready for business */

static int micsetup(struct airo_info *ai) {
	int i;

	if (ai->tfm == NULL)
	        ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);

        if (IS_ERR(ai->tfm)) {
                airo_print_err(ai->dev->name, "failed to load transform for AES");
                ai->tfm = NULL;
                return ERROR;
        }

	for (i=0; i < NUM_MODULES; i++) {
		memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
		memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
	}
	return SUCCESS;
}

static const u8 micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};

/*===========================================================================
 * Description: Mic a packet
 *    
 *      Inputs: etherHead * pointer to an 802.3 frame
 *    
 *     Returns: BOOLEAN if successful, otherwise false.
 *             PacketTxLen will be updated with the mic'd packets size.
 *
 *    Caveats: It is assumed that the frame buffer will already
 *             be big enough to hold the largets mic message possible.
 *            (No memory allocation is done here).
 *  
 *    Author: sbraneky (10/15/01)
 *    Merciless hacks by rwilcher (1/14/02)
 */

static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
{
	miccntx   *context;

	// Determine correct context
	// If not adhoc, always use unicast key

	if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
		context = &ai->mod[0].mCtx;
	else
		context = &ai->mod[0].uCtx;
  
	if (!context->valid)
		return ERROR;

	mic->typelen = htons(payLen + 16); //Length of Mic'd packet

	memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap

	// Add Tx sequence
	mic->seq = htonl(context->tx);
	context->tx += 2;

	emmh32_init(&context->seed); // Mic the packet
	emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
	emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
	emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
	emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
	emmh32_final(&context->seed, (u8*)&mic->mic);

	/*    New Type/length ?????????? */
	mic->typelen = 0; //Let NIC know it could be an oversized packet
	return SUCCESS;
}

typedef enum {
    NONE,
    NOMIC,
    NOMICPLUMMED,
    SEQUENCE,
    INCORRECTMIC,
} mic_error;

/*===========================================================================
 *  Description: Decapsulates a MIC'd packet and returns the 802.3 packet
 *               (removes the MIC stuff) if packet is a valid packet.
 *      
 *       Inputs: etherHead  pointer to the 802.3 packet             
 *     
 *      Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
 *     
 *      Author: sbraneky (10/15/01)
 *    Merciless hacks by rwilcher (1/14/02)
 *---------------------------------------------------------------------------
 */

static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
{
	int      i;
	u32      micSEQ;
	miccntx  *context;
	u8       digest[4];
	mic_error micError = NONE;

	// Check if the packet is a Mic'd packet

	if (!ai->micstats.enabled) {
		//No Mic set or Mic OFF but we received a MIC'd packet.
		if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
			ai->micstats.rxMICPlummed++;
			return ERROR;
		}
		return SUCCESS;
	}

	if (ntohs(mic->typelen) == 0x888E)
		return SUCCESS;

	if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
	    // Mic enabled but packet isn't Mic'd
		ai->micstats.rxMICPlummed++;
	    	return ERROR;
	}

	micSEQ = ntohl(mic->seq);            //store SEQ as CPU order

	//At this point we a have a mic'd packet and mic is enabled
	//Now do the mic error checking.

	//Receive seq must be odd
	if ( (micSEQ & 1) == 0 ) {
		ai->micstats.rxWrongSequence++;
		return ERROR;
	}

	for (i = 0; i < NUM_MODULES; i++) {
		int mcast = eth->da[0] & 1;
		//Determine proper context 
		context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
	
		//Make sure context is valid
		if (!context->valid) {
			if (i == 0)
				micError = NOMICPLUMMED;
			continue;                
		}
	       	//DeMic it 

		if (!mic->typelen)
			mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
	
		emmh32_init(&context->seed);
		emmh32_update(&context->seed, eth->da, ETH_ALEN*2); 
		emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap)); 
		emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));	
		emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);	
		//Calculate MIC
		emmh32_final(&context->seed, digest);
	
		if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
		  //Invalid Mic
			if (i == 0)
				micError = INCORRECTMIC;
			continue;
		}

		//Check Sequence number if mics pass
		if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
			ai->micstats.rxSuccess++;
			return SUCCESS;
		}
		if (i == 0)
			micError = SEQUENCE;
	}

	// Update statistics
	switch (micError) {
		case NOMICPLUMMED: ai->micstats.rxMICPlummed++;   break;
		case SEQUENCE:    ai->micstats.rxWrongSequence++; break;
		case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
		case NONE:  break;
		case NOMIC: break;
	}
	return ERROR;
}

/*===========================================================================
 * Description:  Checks the Rx Seq number to make sure it is valid
 *               and hasn't already been received
 *   
 *     Inputs: miccntx - mic context to check seq against
 *             micSeq  - the Mic seq number
 *   
 *    Returns: TRUE if valid otherwise FALSE. 
 *
 *    Author: sbraneky (10/15/01)
 *    Merciless hacks by rwilcher (1/14/02)
 *---------------------------------------------------------------------------
 */

static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
{
	u32 seq,index;

	//Allow for the ap being rebooted - if it is then use the next 
	//sequence number of the current sequence number - might go backwards

	if (mcast) {
		if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
			clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
			context->window = (micSeq > 33) ? micSeq : 33;
			context->rx     = 0;        // Reset rx
		}
	} else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
		clear_bit (FLAG_UPDATE_UNI, &ai->flags);
		context->window = (micSeq > 33) ? micSeq : 33; // Move window
		context->rx     = 0;        // Reset rx
	}

	//Make sequence number relative to START of window
	seq = micSeq - (context->window - 33);

	//Too old of a SEQ number to check.
	if ((s32)seq < 0)
		return ERROR;
    
	if ( seq > 64 ) {
		//Window is infinite forward
		MoveWindow(context,micSeq);
		return SUCCESS;
	}

	// We are in the window. Now check the context rx bit to see if it was already sent
	seq >>= 1;         //divide by 2 because we only have odd numbers
	index = 1 << seq;  //Get an index number

	if (!(context->rx & index)) {
		//micSEQ falls inside the window.
		//Add seqence number to the list of received numbers.
		context->rx |= index;

		MoveWindow(context,micSeq);

		return SUCCESS;
	}
	return ERROR;
}

static void MoveWindow(miccntx *context, u32 micSeq)
{
	u32 shift;

	//Move window if seq greater than the middle of the window
	if (micSeq > context->window) {
		shift = (micSeq - context->window) >> 1;
    
		    //Shift out old
		if (shift < 32)
			context->rx >>= shift;
		else
			context->rx = 0;

		context->window = micSeq;      //Move window
	}
}

/*==============================================*/
/*========== EMMH ROUTINES  ====================*/
/*==============================================*/

/* mic accumulate */
#define MIC_ACCUM(val)	\
	context->accum += (u64)(val) * context->coeff[coeff_position++];

static unsigned char aes_counter[16];

/* expand the key to fill the MMH coefficient array */
static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
			   struct crypto_cipher *tfm)
{
  /* take the keying material, expand if necessary, truncate at 16-bytes */
  /* run through AES counter mode to generate context->coeff[] */
  
	int i,j;
	u32 counter;
	u8 *cipher, plain[16];

	crypto_cipher_setkey(tfm, pkey, 16);
	counter = 0;
	for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
		aes_counter[15] = (u8)(counter >> 0);
		aes_counter[14] = (u8)(counter >> 8);
		aes_counter[13] = (u8)(counter >> 16);
		aes_counter[12] = (u8)(counter >> 24);
		counter++;
		memcpy (plain, aes_counter, 16);
		crypto_cipher_encrypt_one(tfm, plain, plain);
		cipher = plain;
		for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
			context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
			j += 4;
		}
	}
}

/* prepare for calculation of a new mic */
static void emmh32_init(emmh32_context *context)
{
	/* prepare for new mic calculation */
	context->accum = 0;
	context->position = 0;
}

/* add some bytes to the mic calculation */
static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
{
	int	coeff_position, byte_position;
  
	if (len == 0) return;
  
	coeff_position = context->position >> 2;
  
	/* deal with partial 32-bit word left over from last update */
	byte_position = context->position & 3;
	if (byte_position) {
		/* have a partial word in part to deal with */
		do {
			if (len == 0) return;
			context->part.d8[byte_position++] = *pOctets++;
			context->position++;
			len--;
		} while (byte_position < 4);
		MIC_ACCUM(ntohl(context->part.d32));
	}

	/* deal with full 32-bit words */
	while (len >= 4) {
		MIC_ACCUM(ntohl(*(__be32 *)pOctets));
		context->position += 4;
		pOctets += 4;
		len -= 4;
	}

	/* deal with partial 32-bit word that will be left over from this update */
	byte_position = 0;
	while (len > 0) {
		context->part.d8[byte_position++] = *pOctets++;
		context->position++;
		len--;
	}
}

/* mask used to zero empty bytes for final partial word */
static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };

/* calculate the mic */
static void emmh32_final(emmh32_context *context, u8 digest[4])
{
	int	coeff_position, byte_position;
	u32	val;
  
	u64 sum, utmp;
	s64 stmp;

	coeff_position = context->position >> 2;
  
	/* deal with partial 32-bit word left over from last update */
	byte_position = context->position & 3;
	if (byte_position) {
		/* have a partial word in part to deal with */
		val = ntohl(context->part.d32);
		MIC_ACCUM(val & mask32[byte_position]);	/* zero empty bytes */
	}

	/* reduce the accumulated u64 to a 32-bit MIC */
	sum = context->accum;
	stmp = (sum  & 0xffffffffLL) - ((sum >> 32)  * 15);
	utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
	sum = utmp & 0xffffffffLL;
	if (utmp > 0x10000000fLL)
		sum -= 15;

	val = (u32)sum;
	digest[0] = (val>>24) & 0xFF;
	digest[1] = (val>>16) & 0xFF;
	digest[2] = (val>>8) & 0xFF;
	digest[3] = val & 0xFF;
}

static int readBSSListRid(struct airo_info *ai, int first,
		      BSSListRid *list)
{
	Cmd cmd;
	Resp rsp;

	if (first == 1) {
		if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
		memset(&cmd, 0, sizeof(cmd));
		cmd.cmd=CMD_LISTBSS;
		if (down_interruptible(&ai->sem))
			return -ERESTARTSYS;
		ai->list_bss_task = current;
		issuecommand(ai, &cmd, &rsp);
		up(&ai->sem);
		/* Let the command take effect */
		schedule_timeout_uninterruptible(3 * HZ);
		ai->list_bss_task = NULL;
	}
	return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
			    list, ai->bssListRidLen, 1);
}

static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
{
	return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
				wkr, sizeof(*wkr), lock);
}

static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
{
	int rc;
	rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
	if (rc!=SUCCESS)
		airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
	if (perm) {
		rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
		if (rc!=SUCCESS)
			airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
	}
	return rc;
}

static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
{
	return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
}

static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
{
	return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
}

static int readConfigRid(struct airo_info *ai, int lock)
{
	int rc;
	ConfigRid cfg;

	if (ai->config.len)
		return SUCCESS;

	rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
	if (rc != SUCCESS)
		return rc;

	ai->config = cfg;
	return SUCCESS;
}

static inline void checkThrottle(struct airo_info *ai)
{
	int i;
/* Old hardware had a limit on encryption speed */
	if (ai->config.authType != AUTH_OPEN && maxencrypt) {
		for(i=0; i<8; i++) {
			if (ai->config.rates[i] > maxencrypt) {
				ai->config.rates[i] = 0;
			}
		}
	}
}

static int writeConfigRid(struct airo_info *ai, int lock)
{
	ConfigRid cfgr;

	if (!test_bit (FLAG_COMMIT, &ai->flags))
		return SUCCESS;

	clear_bit (FLAG_COMMIT, &ai->flags);
	clear_bit (FLAG_RESET, &ai->flags);
	checkThrottle(ai);
	cfgr = ai->config;

	if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
		set_bit(FLAG_ADHOC, &ai->flags);
	else
		clear_bit(FLAG_ADHOC, &ai->flags);

	return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
}

static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
{
	return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
}

static int readAPListRid(struct airo_info *ai, APListRid *aplr)
{
	return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
}

static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
{
	return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
}

static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
{
	return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
}

static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
{
	return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
}

static void try_auto_wep(struct airo_info *ai)
{
	if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
		ai->expires = RUN_AT(3*HZ);
		wake_up_interruptible(&ai->thr_wait);
	}
}

static int airo_open(struct net_device *dev) {
	struct airo_info *ai = dev->ml_priv;
	int rc = 0;

	if (test_bit(FLAG_FLASHING, &ai->flags))
		return -EIO;

	/* Make sure the card is configured.
	 * Wireless Extensions may postpone config changes until the card
	 * is open (to pipeline changes and speed-up card setup). If
	 * those changes are not yet committed, do it now - Jean II */
	if (test_bit(FLAG_COMMIT, &ai->flags)) {
		disable_MAC(ai, 1);
		writeConfigRid(ai, 1);
	}

	if (ai->wifidev != dev) {
		clear_bit(JOB_DIE, &ai->jobs);
		ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
		if (IS_ERR(ai->airo_thread_task))
			return (int)PTR_ERR(ai->airo_thread_task);

		rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
			dev->name, dev);
		if (rc) {
			airo_print_err(dev->name,
				"register interrupt %d failed, rc %d",
				dev->irq, rc);
			set_bit(JOB_DIE, &ai->jobs);
			kthread_stop(ai->airo_thread_task);
			return rc;
		}

		/* Power on the MAC controller (which may have been disabled) */
		clear_bit(FLAG_RADIO_DOWN, &ai->flags);
		enable_interrupts(ai);

		try_auto_wep(ai);
	}
	enable_MAC(ai, 1);

	netif_start_queue(dev);
	return 0;
}

static netdev_tx_t mpi_start_xmit(struct sk_buff *skb,
					struct net_device *dev)
{
	int npacks, pending;
	unsigned long flags;
	struct airo_info *ai = dev->ml_priv;

	if (!skb) {
		airo_print_err(dev->name, "%s: skb == NULL!",__func__);
		return NETDEV_TX_OK;
	}
	npacks = skb_queue_len (&ai->txq);

	if (npacks >= MAXTXQ - 1) {
		netif_stop_queue (dev);
		if (npacks > MAXTXQ) {
			dev->stats.tx_fifo_errors++;
			return NETDEV_TX_BUSY;
		}
		skb_queue_tail (&ai->txq, skb);
		return NETDEV_TX_OK;
	}

	spin_lock_irqsave(&ai->aux_lock, flags);
	skb_queue_tail (&ai->txq, skb);
	pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
	spin_unlock_irqrestore(&ai->aux_lock,flags);
	netif_wake_queue (dev);

	if (pending == 0) {
		set_bit(FLAG_PENDING_XMIT, &ai->flags);
		mpi_send_packet (dev);
	}
	return NETDEV_TX_OK;
}

/*
 * @mpi_send_packet
 *
 * Attempt to transmit a packet. Can be called from interrupt
 * or transmit . return number of packets we tried to send
 */

static int mpi_send_packet (struct net_device *dev)
{
	struct sk_buff *skb;
	unsigned char *buffer;
	s16 len;
	__le16 *payloadLen;
	struct airo_info *ai = dev->ml_priv;
	u8 *sendbuf;

	/* get a packet to send */

	if ((skb = skb_dequeue(&ai->txq)) == NULL) {
		airo_print_err(dev->name,
			"%s: Dequeue'd zero in send_packet()",
			__func__);
		return 0;
	}

	/* check min length*/
	len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
	buffer = skb->data;

	ai->txfids[0].tx_desc.offset = 0;
	ai->txfids[0].tx_desc.valid = 1;
	ai->txfids[0].tx_desc.eoc = 1;
	ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);

/*
 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
 * right after  TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
 * is immediately after it. ------------------------------------------------
 *                         |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
 *                         ------------------------------------------------
 */

	memcpy((char *)ai->txfids[0].virtual_host_addr,
		(char *)&wifictlhdr8023, sizeof(wifictlhdr8023));

	payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
		sizeof(wifictlhdr8023));
	sendbuf = ai->txfids[0].virtual_host_addr +
		sizeof(wifictlhdr8023) + 2 ;

	/*
	 * Firmware automatically puts 802 header on so
	 * we don't need to account for it in the length
	 */
	if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
		(ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
		MICBuffer pMic;

		if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
			return ERROR;

		*payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
		ai->txfids[0].tx_desc.len += sizeof(pMic);
		/* copy data into airo dma buffer */
		memcpy (sendbuf, buffer, sizeof(etherHead));
		buffer += sizeof(etherHead);
		sendbuf += sizeof(etherHead);
		memcpy (sendbuf, &pMic, sizeof(pMic));
		sendbuf += sizeof(pMic);
		memcpy (sendbuf, buffer, len - sizeof(etherHead));
	} else {
		*payloadLen = cpu_to_le16(len - sizeof(etherHead));

		dev->trans_start = jiffies;

		/* copy data into airo dma buffer */
		memcpy(sendbuf, buffer, len);
	}

	memcpy_toio(ai->txfids[0].card_ram_off,
		&ai->txfids[0].tx_desc, sizeof(TxFid));

	OUT4500(ai, EVACK, 8);

	dev_kfree_skb_any(skb);
	return 1;
}

static void get_tx_error(struct airo_info *ai, s32 fid)
{
	__le16 status;

	if (fid < 0)
		status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
	else {
		if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
			return;
		bap_read(ai, &status, 2, BAP0);
	}
	if (le16_to_cpu(status) & 2) /* Too many retries */
		ai->dev->stats.tx_aborted_errors++;
	if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
		ai->dev->stats.tx_heartbeat_errors++;
	if (le16_to_cpu(status) & 8) /* Aid fail */
		{ }
	if (le16_to_cpu(status) & 0x10) /* MAC disabled */
		ai->dev->stats.tx_carrier_errors++;
	if (le16_to_cpu(status) & 0x20) /* Association lost */
		{ }
	/* We produce a TXDROP event only for retry or lifetime
	 * exceeded, because that's the only status that really mean
	 * that this particular node went away.
	 * Other errors means that *we* screwed up. - Jean II */
	if ((le16_to_cpu(status) & 2) ||
	     (le16_to_cpu(status) & 4)) {
		union iwreq_data	wrqu;
		char junk[0x18];

		/* Faster to skip over useless data than to do
		 * another bap_setup(). We are at offset 0x6 and
		 * need to go to 0x18 and read 6 bytes - Jean II */
		bap_read(ai, (__le16 *) junk, 0x18, BAP0);

		/* Copy 802.11 dest address.
		 * We use the 802.11 header because the frame may
		 * not be 802.3 or may be mangled...
		 * In Ad-Hoc mode, it will be the node address.
		 * In managed mode, it will be most likely the AP addr
		 * User space will figure out how to convert it to
		 * whatever it needs (IP address or else).
		 * - Jean II */
		memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
		wrqu.addr.sa_family = ARPHRD_ETHER;

		/* Send event to user space */
		wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
	}
}

static void airo_end_xmit(struct net_device *dev) {
	u16 status;
	int i;
	struct airo_info *priv = dev->ml_priv;
	struct sk_buff *skb = priv->xmit.skb;
	int fid = priv->xmit.fid;
	u32 *fids = priv->fids;

	clear_bit(JOB_XMIT, &priv->jobs);
	clear_bit(FLAG_PENDING_XMIT, &priv->flags);
	status = transmit_802_3_packet (priv, fids[fid], skb->data);
	up(&priv->sem);

	i = 0;
	if ( status == SUCCESS ) {
		dev->trans_start = jiffies;
		for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
	} else {
		priv->fids[fid] &= 0xffff;
		dev->stats.tx_window_errors++;
	}
	if (i < MAX_FIDS / 2)
		netif_wake_queue(dev);
	dev_kfree_skb(skb);
}

static netdev_tx_t airo_start_xmit(struct sk_buff *skb,
					 struct net_device *dev)
{
	s16 len;
	int i, j;
	struct airo_info *priv = dev->ml_priv;
	u32 *fids = priv->fids;

	if ( skb == NULL ) {
		airo_print_err(dev->name, "%s: skb == NULL!", __func__);
		return NETDEV_TX_OK;
	}

	/* Find a vacant FID */
	for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
	for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );

	if ( j >= MAX_FIDS / 2 ) {
		netif_stop_queue(dev);

		if (i == MAX_FIDS / 2) {
			dev->stats.tx_fifo_errors++;
			return NETDEV_TX_BUSY;
		}
	}
	/* check min length*/
	len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
        /* Mark fid as used & save length for later */
	fids[i] |= (len << 16);
	priv->xmit.skb = skb;
	priv->xmit.fid = i;
	if (down_trylock(&priv->sem) != 0) {
		set_bit(FLAG_PENDING_XMIT, &priv->flags);
		netif_stop_queue(dev);
		set_bit(JOB_XMIT, &priv->jobs);
		wake_up_interruptible(&priv->thr_wait);
	} else
		airo_end_xmit(dev);
	return NETDEV_TX_OK;
}

static void airo_end_xmit11(struct net_device *dev) {
	u16 status;
	int i;
	struct airo_info *priv = dev->ml_priv;
	struct sk_buff *skb = priv->xmit11.skb;
	int fid = priv->xmit11.fid;
	u32 *fids = priv->fids;

	clear_bit(JOB_XMIT11, &priv->jobs);
	clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
	status = transmit_802_11_packet (priv, fids[fid], skb->data);
	up(&priv->sem);

	i = MAX_FIDS / 2;
	if ( status == SUCCESS ) {
		dev->trans_start = jiffies;
		for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
	} else {
		priv->fids[fid] &= 0xffff;
		dev->stats.tx_window_errors++;
	}
	if (i < MAX_FIDS)
		netif_wake_queue(dev);
	dev_kfree_skb(skb);
}

static netdev_tx_t airo_start_xmit11(struct sk_buff *skb,
					   struct net_device *dev)
{
	s16 len;
	int i, j;
	struct airo_info *priv = dev->ml_priv;
	u32 *fids = priv->fids;

	if (test_bit(FLAG_MPI, &priv->flags)) {
		/* Not implemented yet for MPI350 */
		netif_stop_queue(dev);
		dev_kfree_skb_any(skb);
		return NETDEV_TX_OK;
	}

	if ( skb == NULL ) {
		airo_print_err(dev->name, "%s: skb == NULL!", __func__);
		return NETDEV_TX_OK;
	}

	/* Find a vacant FID */
	for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
	for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );

	if ( j >= MAX_FIDS ) {
		netif_stop_queue(dev);

		if (i == MAX_FIDS) {
			dev->stats.tx_fifo_errors++;
			return NETDEV_TX_BUSY;
		}
	}
	/* check min length*/
	len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
        /* Mark fid as used & save length for later */
	fids[i] |= (len << 16);
	priv->xmit11.skb = skb;
	priv->xmit11.fid = i;
	if (down_trylock(&priv->sem) != 0) {
		set_bit(FLAG_PENDING_XMIT11, &priv->flags);
		netif_stop_queue(dev);
		set_bit(JOB_XMIT11, &priv->jobs);
		wake_up_interruptible(&priv->thr_wait);
	} else
		airo_end_xmit11(dev);
	return NETDEV_TX_OK;
}

static void airo_read_stats(struct net_device *dev)
{
	struct airo_info *ai = dev->ml_priv;
	StatsRid stats_rid;
	__le32 *vals = stats_rid.vals;

	clear_bit(JOB_STATS, &ai->jobs);
	if (ai->power.event) {
		up(&ai->sem);
		return;
	}
	readStatsRid(ai, &stats_rid, RID_STATS, 0);
	up(&ai->sem);

	dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
			       le32_to_cpu(vals[45]);
	dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
			       le32_to_cpu(vals[41]);
	dev->stats.rx_bytes = le32_to_cpu(vals[92]);
	dev->stats.tx_bytes = le32_to_cpu(vals[91]);
	dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
			      le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
	dev->stats.tx_errors = le32_to_cpu(vals[42]) +
			      dev->stats.tx_fifo_errors;
	dev->stats.multicast = le32_to_cpu(vals[43]);
	dev->stats.collisions = le32_to_cpu(vals[89]);

	/* detailed rx_errors: */
	dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
	dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
	dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
	dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
}

static struct net_device_stats *airo_get_stats(struct net_device *dev)
{
	struct airo_info *local =  dev->ml_priv;

	if (!test_bit(JOB_STATS, &local->jobs)) {
		/* Get stats out of the card if available */
		if (down_trylock(&local->sem) != 0) {
			set_bit(JOB_STATS, &local->jobs);
			wake_up_interruptible(&local->thr_wait);
		} else
			airo_read_stats(dev);
	}

	return &dev->stats;
}

static void airo_set_promisc(struct airo_info *ai) {
	Cmd cmd;
	Resp rsp;

	memset(&cmd, 0, sizeof(cmd));
	cmd.cmd=CMD_SETMODE;
	clear_bit(JOB_PROMISC, &ai->jobs);
	cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
	issuecommand(ai, &cmd, &rsp);
	up(&ai->sem);
}

static void airo_set_multicast_list(struct net_device *dev) {
	struct airo_info *ai = dev->ml_priv;

	if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
		change_bit(FLAG_PROMISC, &ai->flags);
		if (down_trylock(&ai->sem) != 0) {
			set_bit(JOB_PROMISC, &ai->jobs);
			wake_up_interruptible(&ai->thr_wait);
		} else
			airo_set_promisc(ai);
	}

	if ((dev->flags&IFF_ALLMULTI) || !netdev_mc_empty(dev)) {
		/* Turn on multicast.  (Should be already setup...) */
	}
}

static int airo_set_mac_address(struct net_device *dev, void *p)
{
	struct airo_info *ai = dev->ml_priv;
	struct sockaddr *addr = p;

	readConfigRid(ai, 1);
	memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
	set_bit (FLAG_COMMIT, &ai->flags);
	disable_MAC(ai, 1);
	writeConfigRid (ai, 1);
	enable_MAC(ai, 1);
	memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
	if (ai->wifidev)
		memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
	return 0;
}

static int airo_change_mtu(struct net_device *dev, int new_mtu)
{
	if ((new_mtu < 68) || (new_mtu > 2400))
		return -EINVAL;
	dev->mtu = new_mtu;
	return 0;
}

static LIST_HEAD(airo_devices);

static void add_airo_dev(struct airo_info *ai)
{
	/* Upper layers already keep track of PCI devices,
	 * so we only need to remember our non-PCI cards. */
	if (!ai->pci)
		list_add_tail(&ai->dev_list, &airo_devices);
}

static void del_airo_dev(struct airo_info *ai)
{
	if (!ai->pci)
		list_del(&ai->dev_list);
}

static int airo_close(struct net_device *dev) {
	struct airo_info *ai = dev->ml_priv;

	netif_stop_queue(dev);

	if (ai->wifidev != dev) {
#ifdef POWER_ON_DOWN
		/* Shut power to the card. The idea is that the user can save
		 * power when he doesn't need the card with "ifconfig down".
		 * That's the method that is most friendly towards the network
		 * stack (i.e. the network stack won't try to broadcast
		 * anything on the interface and routes are gone. Jean II */
		set_bit(FLAG_RADIO_DOWN, &ai->flags);
		disable_MAC(ai, 1);
#endif
		disable_interrupts( ai );

		free_irq(dev->irq, dev);

		set_bit(JOB_DIE, &ai->jobs);
		kthread_stop(ai->airo_thread_task);
	}
	return 0;
}

void stop_airo_card( struct net_device *dev, int freeres )
{
	struct airo_info *ai = dev->ml_priv;

	set_bit(FLAG_RADIO_DOWN, &ai->flags);
	disable_MAC(ai, 1);
	disable_interrupts(ai);
	takedown_proc_entry( dev, ai );
	if (test_bit(FLAG_REGISTERED, &ai->flags)) {
		unregister_netdev( dev );
		if (ai->wifidev) {
			unregister_netdev(ai->wifidev);
			free_netdev(ai->wifidev);
			ai->wifidev = NULL;
		}
		clear_bit(FLAG_REGISTERED, &ai->flags);
	}
	/*
	 * Clean out tx queue
	 */
	if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
		struct sk_buff *skb = NULL;
		for (;(skb = skb_dequeue(&ai->txq));)
			dev_kfree_skb(skb);
	}

	airo_networks_free (ai);

	kfree(ai->flash);
	kfree(ai->rssi);
	kfree(ai->APList);
	kfree(ai->SSID);
	if (freeres) {
		/* PCMCIA frees this stuff, so only for PCI and ISA */
	        release_region( dev->base_addr, 64 );
		if (test_bit(FLAG_MPI, &ai->flags)) {
			if (ai->pci)
				mpi_unmap_card(ai->pci);
			if (ai->pcimem)
				iounmap(ai->pcimem);
			if (ai->pciaux)
				iounmap(ai->pciaux);
			pci_free_consistent(ai->pci, PCI_SHARED_LEN,
				ai->shared, ai->shared_dma);
		}
        }
	crypto_free_cipher(ai->tfm);
	del_airo_dev(ai);
	free_netdev( dev );
}

EXPORT_SYMBOL(stop_airo_card);

static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
{
	memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
	return ETH_ALEN;
}

static void mpi_unmap_card(struct pci_dev *pci)
{
	unsigned long mem_start = pci_resource_start(pci, 1);
	unsigned long mem_len = pci_resource_len(pci, 1);
	unsigned long aux_start = pci_resource_start(pci, 2);
	unsigned long aux_len = AUXMEMSIZE;

	release_mem_region(aux_start, aux_len);
	release_mem_region(mem_start, mem_len);
}

/*************************************************************
 *  This routine assumes that descriptors have been setup .
 *  Run at insmod time or after reset  when the decriptors
 *  have been initialized . Returns 0 if all is well nz
 *  otherwise . Does not allocate memory but sets up card
 *  using previously allocated descriptors.
 */
static int mpi_init_descriptors (struct airo_info *ai)
{
	Cmd cmd;
	Resp rsp;
	int i;
	int rc = SUCCESS;

	/* Alloc  card RX descriptors */
	netif_stop_queue(ai->dev);

	memset(&rsp,0,sizeof(rsp));
	memset(&cmd,0,sizeof(cmd));

	cmd.cmd = CMD_ALLOCATEAUX;
	cmd.parm0 = FID_RX;
	cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
	cmd.parm2 = MPI_MAX_FIDS;
	rc=issuecommand(ai, &cmd, &rsp);
	if (rc != SUCCESS) {
		airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
		return rc;
	}

	for (i=0; i<MPI_MAX_FIDS; i++) {
		memcpy_toio(ai->rxfids[i].card_ram_off,
			&ai->rxfids[i].rx_desc, sizeof(RxFid));
	}

	/* Alloc card TX descriptors */

	memset(&rsp,0,sizeof(rsp));
	memset(&cmd,0,sizeof(cmd));

	cmd.cmd = CMD_ALLOCATEAUX;
	cmd.parm0 = FID_TX;
	cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
	cmd.parm2 = MPI_MAX_FIDS;

	for (i=0; i<MPI_MAX_FIDS; i++) {
		ai->txfids[i].tx_desc.valid = 1;
		memcpy_toio(ai->txfids[i].card_ram_off,
			&ai->txfids[i].tx_desc, sizeof(TxFid));
	}
	ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */

	rc=issuecommand(ai, &cmd, &rsp);
	if (rc != SUCCESS) {
		airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
		return rc;
	}

	/* Alloc card Rid descriptor */
	memset(&rsp,0,sizeof(rsp));
	memset(&cmd,0,sizeof(cmd));

	cmd.cmd = CMD_ALLOCATEAUX;
	cmd.parm0 = RID_RW;
	cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
	cmd.parm2 = 1; /* Magic number... */
	rc=issuecommand(ai, &cmd, &rsp);
	if (rc != SUCCESS) {
		airo_print_err(ai->dev->name, "Couldn't allocate RID");
		return rc;
	}

	memcpy_toio(ai->config_desc.card_ram_off,
		&ai->config_desc.rid_desc, sizeof(Rid));

	return rc;
}

/*
 * We are setting up three things here:
 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
 * 2) Map PCI memory for issuing commands.
 * 3) Allocate memory (shared) to send and receive ethernet frames.
 */
static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
{
	unsigned long mem_start, mem_len, aux_start, aux_len;
	int rc = -1;
	int i;
	dma_addr_t busaddroff;
	unsigned char *vpackoff;
	unsigned char __iomem *pciaddroff;

	mem_start = pci_resource_start(pci, 1);
	mem_len = pci_resource_len(pci, 1);
	aux_start = pci_resource_start(pci, 2);
	aux_len = AUXMEMSIZE;

	if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
		airo_print_err("", "Couldn't get region %x[%x]",
			(int)mem_start, (int)mem_len);
		goto out;
	}
	if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
		airo_print_err("", "Couldn't get region %x[%x]",
			(int)aux_start, (int)aux_len);
		goto free_region1;
	}

	ai->pcimem = ioremap(mem_start, mem_len);
	if (!ai->pcimem) {
		airo_print_err("", "Couldn't map region %x[%x]",
			(int)mem_start, (int)mem_len);
		goto free_region2;
	}
	ai->pciaux = ioremap(aux_start, aux_len);
	if (!ai->pciaux) {
		airo_print_err("", "Couldn't map region %x[%x]",
			(int)aux_start, (int)aux_len);
		goto free_memmap;
	}

	/* Reserve PKTSIZE for each fid and 2K for the Rids */
	ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
	if (!ai->shared) {
		airo_print_err("", "Couldn't alloc_consistent %d",
			PCI_SHARED_LEN);
		goto free_auxmap;
	}

	/*
	 * Setup descriptor RX, TX, CONFIG
	 */
	busaddroff = ai->shared_dma;
	pciaddroff = ai->pciaux + AUX_OFFSET;
	vpackoff   = ai->shared;

	/* RX descriptor setup */
	for(i = 0; i < MPI_MAX_FIDS; i++) {
		ai->rxfids[i].pending = 0;
		ai->rxfids[i].card_ram_off = pciaddroff;
		ai->rxfids[i].virtual_host_addr = vpackoff;
		ai->rxfids[i].rx_desc.host_addr = busaddroff;
		ai->rxfids[i].rx_desc.valid = 1;
		ai->rxfids[i].rx_desc.len = PKTSIZE;
		ai->rxfids[i].rx_desc.rdy = 0;

		pciaddroff += sizeof(RxFid);
		busaddroff += PKTSIZE;
		vpackoff   += PKTSIZE;
	}

	/* TX descriptor setup */
	for(i = 0; i < MPI_MAX_FIDS; i++) {
		ai->txfids[i].card_ram_off = pciaddroff;
		ai->txfids[i].virtual_host_addr = vpackoff;
		ai->txfids[i].tx_desc.valid = 1;
		ai->txfids[i].tx_desc.host_addr = busaddroff;
		memcpy(ai->txfids[i].virtual_host_addr,
			&wifictlhdr8023, sizeof(wifictlhdr8023));

		pciaddroff += sizeof(TxFid);
		busaddroff += PKTSIZE;
		vpackoff   += PKTSIZE;
	}
	ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */

	/* Rid descriptor setup */
	ai->config_desc.card_ram_off = pciaddroff;
	ai->config_desc.virtual_host_addr = vpackoff;
	ai->config_desc.rid_desc.host_addr = busaddroff;
	ai->ridbus = busaddroff;
	ai->config_desc.rid_desc.rid = 0;
	ai->config_desc.rid_desc.len = RIDSIZE;
	ai->config_desc.rid_desc.valid = 1;
	pciaddroff += sizeof(Rid);
	busaddroff += RIDSIZE;
	vpackoff   += RIDSIZE;

	/* Tell card about descriptors */
	if (mpi_init_descriptors (ai) != SUCCESS)
		goto free_shared;

	return 0;
 free_shared:
	pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
 free_auxmap:
	iounmap(ai->pciaux);
 free_memmap:
	iounmap(ai->pcimem);
 free_region2:
	release_mem_region(aux_start, aux_len);
 free_region1:
	release_mem_region(mem_start, mem_len);
 out:
	return rc;
}

static const struct header_ops airo_header_ops = {
	.parse = wll_header_parse,
};

static const struct net_device_ops airo11_netdev_ops = {
	.ndo_open 		= airo_open,
	.ndo_stop 		= airo_close,
	.ndo_start_xmit 	= airo_start_xmit11,
	.ndo_get_stats 		= airo_get_stats,
	.ndo_set_mac_address	= airo_set_mac_address,
	.ndo_do_ioctl		= airo_ioctl,
	.ndo_change_mtu		= airo_change_mtu,
};

static void wifi_setup(struct net_device *dev)
{
	dev->netdev_ops = &airo11_netdev_ops;
	dev->header_ops = &airo_header_ops;
	dev->wireless_handlers = &airo_handler_def;

	dev->type               = ARPHRD_IEEE80211;
	dev->hard_header_len    = ETH_HLEN;
	dev->mtu                = AIRO_DEF_MTU;
	dev->addr_len           = ETH_ALEN;
	dev->tx_queue_len       = 100; 

	memset(dev->broadcast,0xFF, ETH_ALEN);

	dev->flags              = IFF_BROADCAST|IFF_MULTICAST;
}

static struct net_device *init_wifidev(struct airo_info *ai,
					struct net_device *ethdev)
{
	int err;
	struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
	if (!dev)
		return NULL;
	dev->ml_priv = ethdev->ml_priv;
	dev->irq = ethdev->irq;
	dev->base_addr = ethdev->base_addr;
	dev->wireless_data = ethdev->wireless_data;
	SET_NETDEV_DEV(dev, ethdev->dev.parent);
	memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
	err = register_netdev(dev);
	if (err<0) {
		free_netdev(dev);
		return NULL;
	}
	return dev;
}

static int reset_card( struct net_device *dev , int lock) {
	struct airo_info *ai = dev->ml_priv;

	if (lock && down_interruptible(&ai->sem))
		return -1;
	waitbusy (ai);
	OUT4500(ai,COMMAND,CMD_SOFTRESET);
	msleep(200);
	waitbusy (ai);
	msleep(200);
	if (lock)
		up(&ai->sem);
	return 0;
}

#define AIRO_MAX_NETWORK_COUNT	64
static int airo_networks_allocate(struct airo_info *ai)
{
	if (ai->networks)
		return 0;

	ai->networks = kcalloc(AIRO_MAX_NETWORK_COUNT, sizeof(BSSListElement),
			       GFP_KERNEL);
	if (!ai->networks) {
		airo_print_warn("", "Out of memory allocating beacons");
		return -ENOMEM;
	}

	return 0;
}

static void airo_networks_free(struct airo_info *ai)
{
	kfree(ai->networks);
	ai->networks = NULL;
}

static void airo_networks_initialize(struct airo_info *ai)
{
	int i;

	INIT_LIST_HEAD(&ai->network_free_list);
	INIT_LIST_HEAD(&ai->network_list);
	for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
		list_add_tail(&ai->networks[i].list,
			      &ai->network_free_list);
}

static const struct net_device_ops airo_netdev_ops = {
	.ndo_open		= airo_open,
	.ndo_stop		= airo_close,
	.ndo_start_xmit		= airo_start_xmit,
	.ndo_get_stats		= airo_get_stats,
	.ndo_set_multicast_list	= airo_set_multicast_list,
	.ndo_set_mac_address	= airo_set_mac_address,
	.ndo_do_ioctl		= airo_ioctl,
	.ndo_change_mtu		= airo_change_mtu,
	.ndo_validate_addr	= eth_validate_addr,
};

static const struct net_device_ops mpi_netdev_ops = {
	.ndo_open		= airo_open,
	.ndo_stop		= airo_close,
	.ndo_start_xmit		= mpi_start_xmit,
	.ndo_get_stats		= airo_get_stats,
	.ndo_set_multicast_list	= airo_set_multicast_list,
	.ndo_set_mac_address	= airo_set_mac_address,
	.ndo_do_ioctl		= airo_ioctl,
	.ndo_change_mtu		= airo_change_mtu,
	.ndo_validate_addr	= eth_validate_addr,
};


static struct net_device *_init_airo_card( unsigned short irq, int port,
					   int is_pcmcia, struct pci_dev *pci,
					   struct device *dmdev )
{
	struct net_device *dev;
	struct airo_info *ai;
	int i, rc;
	CapabilityRid cap_rid;

	/* Create the network device object. */
	dev = alloc_netdev(sizeof(*ai), "", ether_setup);
	if (!dev) {
		airo_print_err("", "Couldn't alloc_etherdev");
		return NULL;
	}

	ai = dev->ml_priv = netdev_priv(dev);
	ai->wifidev = NULL;
	ai->flags = 1 << FLAG_RADIO_DOWN;
	ai->jobs = 0;
	ai->dev = dev;
	if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
		airo_print_dbg("", "Found an MPI350 card");
		set_bit(FLAG_MPI, &ai->flags);
	}
	spin_lock_init(&ai->aux_lock);
	sema_init(&ai->sem, 1);
	ai->config.len = 0;
	ai->pci = pci;
	init_waitqueue_head (&ai->thr_wait);
	ai->tfm = NULL;
	add_airo_dev(ai);

	if (airo_networks_allocate (ai))
		goto err_out_free;
	airo_networks_initialize (ai);

	skb_queue_head_init (&ai->txq);

	/* The Airo-specific entries in the device structure. */
	if (test_bit(FLAG_MPI,&ai->flags))
		dev->netdev_ops = &mpi_netdev_ops;
	else
		dev->netdev_ops = &airo_netdev_ops;
	dev->wireless_handlers = &airo_handler_def;
	ai->wireless_data.spy_data = &ai->spy_data;
	dev->wireless_data = &ai->wireless_data;
	dev->irq = irq;
	dev->base_addr = port;
	dev->priv_flags &= ~IFF_TX_SKB_SHARING;

	SET_NETDEV_DEV(dev, dmdev);

	reset_card (dev, 1);
	msleep(400);

	if (!is_pcmcia) {
		if (!request_region(dev->base_addr, 64, DRV_NAME)) {
			rc = -EBUSY;
			airo_print_err(dev->name, "Couldn't request region");
			goto err_out_nets;
		}
	}

	if (test_bit(FLAG_MPI,&ai->flags)) {
		if (mpi_map_card(ai, pci)) {
			airo_print_err("", "Could not map memory");
			goto err_out_res;
		}
	}

	if (probe) {
		if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
			airo_print_err(dev->name, "MAC could not be enabled" );
			rc = -EIO;
			goto err_out_map;
		}
	} else if (!test_bit(FLAG_MPI,&ai->flags)) {
		ai->bap_read = fast_bap_read;
		set_bit(FLAG_FLASHING, &ai->flags);
	}

	strcpy(dev->name, "eth%d");
	rc = register_netdev(dev);
	if (rc) {
		airo_print_err(dev->name, "Couldn't register_netdev");
		goto err_out_map;
	}
	ai->wifidev = init_wifidev(ai, dev);
	if (!ai->wifidev)
		goto err_out_reg;

	rc = readCapabilityRid(ai, &cap_rid, 1);
	if (rc != SUCCESS) {
		rc = -EIO;
		goto err_out_wifi;
	}
	/* WEP capability discovery */
	ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
	ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;

	airo_print_info(dev->name, "Firmware version %x.%x.%02d",
	                ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
	                (le16_to_cpu(cap_rid.softVer) & 0xFF),
	                le16_to_cpu(cap_rid.softSubVer));

	/* Test for WPA support */
	/* Only firmware versions 5.30.17 or better can do WPA */
	if (le16_to_cpu(cap_rid.softVer) > 0x530
	 || (le16_to_cpu(cap_rid.softVer) == 0x530
	      && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
		airo_print_info(ai->dev->name, "WPA supported.");

		set_bit(FLAG_WPA_CAPABLE, &ai->flags);
		ai->bssListFirst = RID_WPA_BSSLISTFIRST;
		ai->bssListNext = RID_WPA_BSSLISTNEXT;
		ai->bssListRidLen = sizeof(BSSListRid);
	} else {
		airo_print_info(ai->dev->name, "WPA unsupported with firmware "
			"versions older than 5.30.17.");

		ai->bssListFirst = RID_BSSLISTFIRST;
		ai->bssListNext = RID_BSSLISTNEXT;
		ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
	}

	set_bit(FLAG_REGISTERED,&ai->flags);
	airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);

	/* Allocate the transmit buffers */
	if (probe && !test_bit(FLAG_MPI,&ai->flags))
		for( i = 0; i < MAX_FIDS; i++ )
			ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);

	if (setup_proc_entry(dev, dev->ml_priv) < 0)
		goto err_out_wifi;

	return dev;

err_out_wifi:
	unregister_netdev(ai->wifidev);
	free_netdev(ai->wifidev);
err_out_reg:
	unregister_netdev(dev);
err_out_map:
	if (test_bit(FLAG_MPI,&ai->flags) && pci) {
		pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
		iounmap(ai->pciaux);
		iounmap(ai->pcimem);
		mpi_unmap_card(ai->pci);
	}
err_out_res:
	if (!is_pcmcia)
	        release_region( dev->base_addr, 64 );
err_out_nets:
	airo_networks_free(ai);
err_out_free:
	del_airo_dev(ai);
	free_netdev(dev);
	return NULL;
}

struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
				  struct device *dmdev)
{
	return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
}

EXPORT_SYMBOL(init_airo_card);

static int waitbusy (struct airo_info *ai) {
	int delay = 0;
	while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
		udelay (10);
		if ((++delay % 20) == 0)
			OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
	}
	return delay < 10000;
}

int reset_airo_card( struct net_device *dev )
{
	int i;
	struct airo_info *ai = dev->ml_priv;

	if (reset_card (dev, 1))
		return -1;

	if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
		airo_print_err(dev->name, "MAC could not be enabled");
		return -1;
	}
	airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
	/* Allocate the transmit buffers if needed */
	if (!test_bit(FLAG_MPI,&ai->flags))
		for( i = 0; i < MAX_FIDS; i++ )
			ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);

	enable_interrupts( ai );
	netif_wake_queue(dev);
	return 0;
}

EXPORT_SYMBOL(reset_airo_card);

static void airo_send_event(struct net_device *dev) {
	struct airo_info *ai = dev->ml_priv;
	union iwreq_data wrqu;
	StatusRid status_rid;

	clear_bit(JOB_EVENT, &ai->jobs);
	PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
	up(&ai->sem);
	wrqu.data.length = 0;
	wrqu.data.flags = 0;
	memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
	wrqu.ap_addr.sa_family = ARPHRD_ETHER;

	/* Send event to user space */
	wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
}

static void airo_process_scan_results (struct airo_info *ai) {
	union iwreq_data	wrqu;
	BSSListRid bss;
	int rc;
	BSSListElement * loop_net;
	BSSListElement * tmp_net;

	/* Blow away current list of scan results */
	list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
		list_move_tail (&loop_net->list, &ai->network_free_list);
		/* Don't blow away ->list, just BSS data */
		memset (loop_net, 0, sizeof (loop_net->bss));
	}

	/* Try to read the first entry of the scan result */
	rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
	if((rc) || (bss.index == cpu_to_le16(0xffff))) {
		/* No scan results */
		goto out;
	}

	/* Read and parse all entries */
	tmp_net = NULL;
	while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
		/* Grab a network off the free list */
		if (!list_empty(&ai->network_free_list)) {
			tmp_net = list_entry(ai->network_free_list.next,
					    BSSListElement, list);
			list_del(ai->network_free_list.next);
		}

		if (tmp_net != NULL) {
			memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
			list_add_tail(&tmp_net->list, &ai->network_list);
			tmp_net = NULL;
		}

		/* Read next entry */
		rc = PC4500_readrid(ai, ai->bssListNext,
				    &bss, ai->bssListRidLen, 0);
	}

out:
	ai->scan_timeout = 0;
	clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
	up(&ai->sem);

	/* Send an empty event to user space.
	 * We don't send the received data on
	 * the event because it would require
	 * us to do complex transcoding, and
	 * we want to minimise the work done in
	 * the irq handler. Use a request to
	 * extract the data - Jean II */
	wrqu.data.length = 0;
	wrqu.data.flags = 0;
	wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
}

static int airo_thread(void *data) {
	struct net_device *dev = data;
	struct airo_info *ai = dev->ml_priv;
	int locked;

	set_freezable();
	while(1) {
		/* make swsusp happy with our thread */
		try_to_freeze();

		if (test_bit(JOB_DIE, &ai->jobs))
			break;

		if (ai->jobs) {
			locked = down_interruptible(&ai->sem);
		} else {
			wait_queue_t wait;

			init_waitqueue_entry(&wait, current);
			add_wait_queue(&ai->thr_wait, &wait);
			for (;;) {
				set_current_state(TASK_INTERRUPTIBLE);
				if (ai->jobs)
					break;
				if (ai->expires || ai->scan_timeout) {
					if (ai->scan_timeout &&
							time_after_eq(jiffies,ai->scan_timeout)){
						set_bit(JOB_SCAN_RESULTS, &ai->jobs);
						break;
					} else if (ai->expires &&
							time_after_eq(jiffies,ai->expires)){
						set_bit(JOB_AUTOWEP, &ai->jobs);
						break;
					}
					if (!kthread_should_stop() &&
					    !freezing(current)) {
						unsigned long wake_at;
						if (!ai->expires || !ai->scan_timeout) {
							wake_at = max(ai->expires,
								ai->scan_timeout);
						} else {
							wake_at = min(ai->expires,
								ai->scan_timeout);
						}
						schedule_timeout(wake_at - jiffies);
						continue;
					}
				} else if (!kthread_should_stop() &&
					   !freezing(current)) {
					schedule();
					continue;
				}
				break;
			}
			current->state = TASK_RUNNING;
			remove_wait_queue(&ai->thr_wait, &wait);
			locked = 1;
		}

		if (locked)
			continue;

		if (test_bit(JOB_DIE, &ai->jobs)) {
			up(&ai->sem);
			break;
		}

		if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
			up(&ai->sem);
			continue;
		}

		if (test_bit(JOB_XMIT, &ai->jobs))
			airo_end_xmit(dev);
		else if (test_bit(JOB_XMIT11, &ai->jobs))
			airo_end_xmit11(dev);
		else if (test_bit(JOB_STATS, &ai->jobs))
			airo_read_stats(dev);
		else if (test_bit(JOB_WSTATS, &ai->jobs))
			airo_read_wireless_stats(ai);
		else if (test_bit(JOB_PROMISC, &ai->jobs))
			airo_set_promisc(ai);
		else if (test_bit(JOB_MIC, &ai->jobs))
			micinit(ai);
		else if (test_bit(JOB_EVENT, &ai->jobs))
			airo_send_event(dev);
		else if (test_bit(JOB_AUTOWEP, &ai->jobs))
			timer_func(dev);
		else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
			airo_process_scan_results(ai);
		else  /* Shouldn't get here, but we make sure to unlock */
			up(&ai->sem);
	}

	return 0;
}

static int header_len(__le16 ctl)
{
	u16 fc = le16_to_cpu(ctl);
	switch (fc & 0xc) {
	case 4:
		if ((fc & 0xe0) == 0xc0)
			return 10;	/* one-address control packet */
		return 16;	/* two-address control packet */
	case 8:
		if ((fc & 0x300) == 0x300)
			return 30;	/* WDS packet */
	}
	return 24;
}

static void airo_handle_cisco_mic(struct airo_info *ai)
{
	if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
		set_bit(JOB_MIC, &ai->jobs);
		wake_up_interruptible(&ai->thr_wait);
	}
}

/* Airo Status codes */
#define STAT_NOBEACON	0x8000 /* Loss of sync - missed beacons */
#define STAT_MAXRETRIES	0x8001 /* Loss of sync - max retries */
#define STAT_MAXARL	0x8002 /* Loss of sync - average retry level exceeded*/
#define STAT_FORCELOSS	0x8003 /* Loss of sync - host request */
#define STAT_TSFSYNC	0x8004 /* Loss of sync - TSF synchronization */
#define STAT_DEAUTH	0x8100 /* low byte is 802.11 reason code */
#define STAT_DISASSOC	0x8200 /* low byte is 802.11 reason code */
#define STAT_ASSOC_FAIL	0x8400 /* low byte is 802.11 reason code */
#define STAT_AUTH_FAIL	0x0300 /* low byte is 802.11 reason code */
#define STAT_ASSOC	0x0400 /* Associated */
#define STAT_REASSOC    0x0600 /* Reassociated?  Only on firmware >= 5.30.17 */

static void airo_print_status(const char *devname, u16 status)
{
	u8 reason = status & 0xFF;

	switch (status & 0xFF00) {
	case STAT_NOBEACON:
		switch (status) {
		case STAT_NOBEACON:
			airo_print_dbg(devname, "link lost (missed beacons)");
			break;
		case STAT_MAXRETRIES:
		case STAT_MAXARL:
			airo_print_dbg(devname, "link lost (max retries)");
			break;
		case STAT_FORCELOSS:
			airo_print_dbg(devname, "link lost (local choice)");
			break;
		case STAT_TSFSYNC:
			airo_print_dbg(devname, "link lost (TSF sync lost)");
			break;
		default:
			airo_print_dbg(devname, "unknow status %x\n", status);
			break;
		}
		break;
	case STAT_DEAUTH:
		airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
		break;
	case STAT_DISASSOC:
		airo_print_dbg(devname, "disassociated (reason: %d)", reason);
		break;
	case STAT_ASSOC_FAIL:
		airo_print_dbg(devname, "association failed (reason: %d)",
			       reason);
		break;
	case STAT_AUTH_FAIL:
		airo_print_dbg(devname, "authentication failed (reason: %d)",
			       reason);
		break;
	case STAT_ASSOC:
	case STAT_REASSOC:
		break;
	default:
		airo_print_dbg(devname, "unknow status %x\n", status);
		break;
	}
}

static void airo_handle_link(struct airo_info *ai)
{
	union iwreq_data wrqu;
	int scan_forceloss = 0;
	u16 status;

	/* Get new status and acknowledge the link change */
	status = le16_to_cpu(IN4500(ai, LINKSTAT));
	OUT4500(ai, EVACK, EV_LINK);

	if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
		scan_forceloss = 1;

	airo_print_status(ai->dev->name, status);

	if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
		if (auto_wep)
			ai->expires = 0;
		if (ai->list_bss_task)
			wake_up_process(ai->list_bss_task);
		set_bit(FLAG_UPDATE_UNI, &ai->flags);
		set_bit(FLAG_UPDATE_MULTI, &ai->flags);

		if (down_trylock(&ai->sem) != 0) {
			set_bit(JOB_EVENT, &ai->jobs);
			wake_up_interruptible(&ai->thr_wait);
		} else
			airo_send_event(ai->dev);
	} else if (!scan_forceloss) {
		if (auto_wep && !ai->expires) {
			ai->expires = RUN_AT(3*HZ);
			wake_up_interruptible(&ai->thr_wait);
		}

		/* Send event to user space */
		memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
		wrqu.ap_addr.sa_family = ARPHRD_ETHER;
		wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
	}
}

static void airo_handle_rx(struct airo_info *ai)
{
	struct sk_buff *skb = NULL;
	__le16 fc, v, *buffer, tmpbuf[4];
	u16 len, hdrlen = 0, gap, fid;
	struct rx_hdr hdr;
	int success = 0;

	if (test_bit(FLAG_MPI, &ai->flags)) {
		if (test_bit(FLAG_802_11, &ai->flags))
			mpi_receive_802_11(ai);
		else
			mpi_receive_802_3(ai);
		OUT4500(ai, EVACK, EV_RX);
		return;
	}

	fid = IN4500(ai, RXFID);

	/* Get the packet length */
	if (test_bit(FLAG_802_11, &ai->flags)) {
		bap_setup (ai, fid, 4, BAP0);
		bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
		/* Bad CRC. Ignore packet */
		if (le16_to_cpu(hdr.status) & 2)
			hdr.len = 0;
		if (ai->wifidev == NULL)
			hdr.len = 0;
	} else {
		bap_setup(ai, fid, 0x36, BAP0);
		bap_read(ai, &hdr.len, 2, BAP0);
	}
	len = le16_to_cpu(hdr.len);

	if (len > AIRO_DEF_MTU) {
		airo_print_err(ai->dev->name, "Bad size %d", len);
		goto done;
	}
	if (len == 0)
		goto done;

	if (test_bit(FLAG_802_11, &ai->flags)) {
		bap_read(ai, &fc, sizeof (fc), BAP0);
		hdrlen = header_len(fc);
	} else
		hdrlen = ETH_ALEN * 2;

	skb = dev_alloc_skb(len + hdrlen + 2 + 2);
	if (!skb) {
		ai->dev->stats.rx_dropped++;
		goto done;
	}

	skb_reserve(skb, 2); /* This way the IP header is aligned */
	buffer = (__le16 *) skb_put(skb, len + hdrlen);
	if (test_bit(FLAG_802_11, &ai->flags)) {
		buffer[0] = fc;
		bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
		if (hdrlen == 24)
			bap_read(ai, tmpbuf, 6, BAP0);

		bap_read(ai, &v, sizeof(v), BAP0);
		gap = le16_to_cpu(v);
		if (gap) {
			if (gap <= 8) {
				bap_read(ai, tmpbuf, gap, BAP0);
			} else {
				airo_print_err(ai->dev->name, "gaplen too "
					"big. Problems will follow...");
			}
		}
		bap_read(ai, buffer + hdrlen/2, len, BAP0);
	} else {
		MICBuffer micbuf;

		bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
		if (ai->micstats.enabled) {
			bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
			if (ntohs(micbuf.typelen) > 0x05DC)
				bap_setup(ai, fid, 0x44, BAP0);
			else {
				if (len <= sizeof (micbuf)) {
					dev_kfree_skb_irq(skb);
					goto done;
				}

				len -= sizeof(micbuf);
				skb_trim(skb, len + hdrlen);
			}
		}

		bap_read(ai, buffer + ETH_ALEN, len, BAP0);
		if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
			dev_kfree_skb_irq (skb);
		else
			success = 1;
	}

#ifdef WIRELESS_SPY
	if (success && (ai->spy_data.spy_number > 0)) {
		char *sa;
		struct iw_quality wstats;

		/* Prepare spy data : addr + qual */
		if (!test_bit(FLAG_802_11, &ai->flags)) {
			sa = (char *) buffer + 6;
			bap_setup(ai, fid, 8, BAP0);
			bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
		} else
			sa = (char *) buffer + 10;
		wstats.qual = hdr.rssi[0];
		if (ai->rssi)
			wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
		else
			wstats.level = (hdr.rssi[1] + 321) / 2;
		wstats.noise = ai->wstats.qual.noise;
		wstats.updated =  IW_QUAL_LEVEL_UPDATED
				| IW_QUAL_QUAL_UPDATED
				| IW_QUAL_DBM;
		/* Update spy records */
		wireless_spy_update(ai->dev, sa, &wstats);
	}
#endif /* WIRELESS_SPY */

done:
	OUT4500(ai, EVACK, EV_RX);

	if (success) {
		if (test_bit(FLAG_802_11, &ai->flags)) {
			skb_reset_mac_header(skb);
			skb->pkt_type = PACKET_OTHERHOST;
			skb->dev = ai->wifidev;
			skb->protocol = htons(ETH_P_802_2);
		} else
			skb->protocol = eth_type_trans(skb, ai->dev);
		skb->ip_summed = CHECKSUM_NONE;

		netif_rx(skb);
	}
}

static void airo_handle_tx(struct airo_info *ai, u16 status)
{
	int i, len = 0, index = -1;
	u16 fid;

	if (test_bit(FLAG_MPI, &ai->flags)) {
		unsigned long flags;

		if (status & EV_TXEXC)
			get_tx_error(ai, -1);

		spin_lock_irqsave(&ai->aux_lock, flags);
		if (!skb_queue_empty(&ai->txq)) {
			spin_unlock_irqrestore(&ai->aux_lock,flags);
			mpi_send_packet(ai->dev);
		} else {
			clear_bit(FLAG_PENDING_XMIT, &ai->flags);
			spin_unlock_irqrestore(&ai->aux_lock,flags);
			netif_wake_queue(ai->dev);
		}
		OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
		return;
	}

	fid = IN4500(ai, TXCOMPLFID);

	for(i = 0; i < MAX_FIDS; i++) {
		if ((ai->fids[i] & 0xffff) == fid) {
			len = ai->fids[i] >> 16;
			index = i;
		}
	}

	if (index != -1) {
		if (status & EV_TXEXC)
			get_tx_error(ai, index);

		OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));

		/* Set up to be used again */
		ai->fids[index] &= 0xffff;
		if (index < MAX_FIDS / 2) {
			if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
				netif_wake_queue(ai->dev);
		} else {
			if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
				netif_wake_queue(ai->wifidev);
		}
	} else {
		OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
		airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
	}
}

static irqreturn_t airo_interrupt(int irq, void *dev_id)
{
	struct net_device *dev = dev_id;
	u16 status, savedInterrupts = 0;
	struct airo_info *ai = dev->ml_priv;
	int handled = 0;

	if (!netif_device_present(dev))
		return IRQ_NONE;

	for (;;) {
		status = IN4500(ai, EVSTAT);
		if (!(status & STATUS_INTS) || (status == 0xffff))
			break;

		handled = 1;

		if (status & EV_AWAKE) {
			OUT4500(ai, EVACK, EV_AWAKE);
			OUT4500(ai, EVACK, EV_AWAKE);
		}

		if (!savedInterrupts) {
			savedInterrupts = IN4500(ai, EVINTEN);
			OUT4500(ai, EVINTEN, 0);
		}

		if (status & EV_MIC) {
			OUT4500(ai, EVACK, EV_MIC);
			airo_handle_cisco_mic(ai);
		}

		if (status & EV_LINK) {
			/* Link status changed */
			airo_handle_link(ai);
		}

		/* Check to see if there is something to receive */
		if (status & EV_RX)
			airo_handle_rx(ai);

		/* Check to see if a packet has been transmitted */
		if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
			airo_handle_tx(ai, status);

		if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
			airo_print_warn(ai->dev->name, "Got weird status %x",
				status & ~STATUS_INTS & ~IGNORE_INTS );
		}
	}

	if (savedInterrupts)
		OUT4500(ai, EVINTEN, savedInterrupts);

	return IRQ_RETVAL(handled);
}

/*
 *  Routines to talk to the card
 */

/*
 *  This was originally written for the 4500, hence the name
 *  NOTE:  If use with 8bit mode and SMP bad things will happen!
 *         Why would some one do 8 bit IO in an SMP machine?!?
 */
static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
	if (test_bit(FLAG_MPI,&ai->flags))
		reg <<= 1;
	if ( !do8bitIO )
		outw( val, ai->dev->base_addr + reg );
	else {
		outb( val & 0xff, ai->dev->base_addr + reg );
		outb( val >> 8, ai->dev->base_addr + reg + 1 );
	}
}

static u16 IN4500( struct airo_info *ai, u16 reg ) {
	unsigned short rc;

	if (test_bit(FLAG_MPI,&ai->flags))
		reg <<= 1;
	if ( !do8bitIO )
		rc = inw( ai->dev->base_addr + reg );
	else {
		rc = inb( ai->dev->base_addr + reg );
		rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
	}
	return rc;
}

static int enable_MAC(struct airo_info *ai, int lock)
{
	int rc;
	Cmd cmd;
	Resp rsp;

	/* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
	 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
	 * Note : we could try to use !netif_running(dev) in enable_MAC()
	 * instead of this flag, but I don't trust it *within* the
	 * open/close functions, and testing both flags together is
	 * "cheaper" - Jean II */
	if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;

	if (lock && down_interruptible(&ai->sem))
		return -ERESTARTSYS;

	if (!test_bit(FLAG_ENABLED, &ai->flags)) {
		memset(&cmd, 0, sizeof(cmd));
		cmd.cmd = MAC_ENABLE;
		rc = issuecommand(ai, &cmd, &rsp);
		if (rc == SUCCESS)
			set_bit(FLAG_ENABLED, &ai->flags);
	} else
		rc = SUCCESS;

	if (lock)
	    up(&ai->sem);

	if (rc)
		airo_print_err(ai->dev->name, "Cannot enable MAC");
	else if ((rsp.status & 0xFF00) != 0) {
		airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
			"rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
		rc = ERROR;
	}
	return rc;
}

static void disable_MAC( struct airo_info *ai, int lock ) {
        Cmd cmd;
	Resp rsp;

	if (lock && down_interruptible(&ai->sem))
		return;

	if (test_bit(FLAG_ENABLED, &ai->flags)) {
		memset(&cmd, 0, sizeof(cmd));
		cmd.cmd = MAC_DISABLE; // disable in case already enabled
		issuecommand(ai, &cmd, &rsp);
		clear_bit(FLAG_ENABLED, &ai->flags);
	}
	if (lock)
		up(&ai->sem);
}

static void enable_interrupts( struct airo_info *ai ) {
	/* Enable the interrupts */
	OUT4500( ai, EVINTEN, STATUS_INTS );
}

static void disable_interrupts( struct airo_info *ai ) {
	OUT4500( ai, EVINTEN, 0 );
}

static void mpi_receive_802_3(struct airo_info *ai)
{
	RxFid rxd;
	int len = 0;
	struct sk_buff *skb;
	char *buffer;
	int off = 0;
	MICBuffer micbuf;

	memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
	/* Make sure we got something */
	if (rxd.rdy && rxd.valid == 0) {
		len = rxd.len + 12;
		if (len < 12 || len > 2048)
			goto badrx;

		skb = dev_alloc_skb(len);
		if (!skb) {
			ai->dev->stats.rx_dropped++;
			goto badrx;
		}
		buffer = skb_put(skb,len);
		memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
		if (ai->micstats.enabled) {
			memcpy(&micbuf,
				ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
				sizeof(micbuf));
			if (ntohs(micbuf.typelen) <= 0x05DC) {
				if (len <= sizeof(micbuf) + ETH_ALEN * 2)
					goto badmic;

				off = sizeof(micbuf);
				skb_trim (skb, len - off);
			}
		}
		memcpy(buffer + ETH_ALEN * 2,
			ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
			len - ETH_ALEN * 2 - off);
		if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
badmic:
			dev_kfree_skb_irq (skb);
			goto badrx;
		}
#ifdef WIRELESS_SPY
		if (ai->spy_data.spy_number > 0) {
			char *sa;
			struct iw_quality wstats;
			/* Prepare spy data : addr + qual */
			sa = buffer + ETH_ALEN;
			wstats.qual = 0; /* XXX Where do I get that info from ??? */
			wstats.level = 0;
			wstats.updated = 0;
			/* Update spy records */
			wireless_spy_update(ai->dev, sa, &wstats);
		}
#endif /* WIRELESS_SPY */

		skb->ip_summed = CHECKSUM_NONE;
		skb->protocol = eth_type_trans(skb, ai->dev);
		netif_rx(skb);
	}
badrx:
	if (rxd.valid == 0) {
		rxd.valid = 1;
		rxd.rdy = 0;
		rxd.len = PKTSIZE;
		memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
	}
}

static void mpi_receive_802_11(struct airo_info *ai)
{
	RxFid rxd;
	struct sk_buff *skb = NULL;
	u16 len, hdrlen = 0;
	__le16 fc;
	struct rx_hdr hdr;
	u16 gap;
	u16 *buffer;
	char *ptr = ai->rxfids[0].virtual_host_addr + 4;

	memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
	memcpy ((char *)&hdr, ptr, sizeof(hdr));
	ptr += sizeof(hdr);
	/* Bad CRC. Ignore packet */
	if (le16_to_cpu(hdr.status) & 2)
		hdr.len = 0;
	if (ai->wifidev == NULL)
		hdr.len = 0;
	len = le16_to_cpu(hdr.len);
	if (len > AIRO_DEF_MTU) {
		airo_print_err(ai->dev->name, "Bad size %d", len);
		goto badrx;
	}
	if (len == 0)
		goto badrx;

	fc = get_unaligned((__le16 *)ptr);
	hdrlen = header_len(fc);

	skb = dev_alloc_skb( len + hdrlen + 2 );
	if ( !skb ) {
		ai->dev->stats.rx_dropped++;
		goto badrx;
	}
	buffer = (u16*)skb_put (skb, len + hdrlen);
	memcpy ((char *)buffer, ptr, hdrlen);
	ptr += hdrlen;
	if (hdrlen == 24)
		ptr += 6;
	gap = get_unaligned_le16(ptr);
	ptr += sizeof(__le16);
	if (gap) {
		if (gap <= 8)
			ptr += gap;
		else
			airo_print_err(ai->dev->name,
			    "gaplen too big. Problems will follow...");
	}
	memcpy ((char *)buffer + hdrlen, ptr, len);
	ptr += len;
#ifdef IW_WIRELESS_SPY	  /* defined in iw_handler.h */
	if (ai->spy_data.spy_number > 0) {
		char *sa;
		struct iw_quality wstats;
		/* Prepare spy data : addr + qual */
		sa = (char*)buffer + 10;
		wstats.qual = hdr.rssi[0];
		if (ai->rssi)
			wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
		else
			wstats.level = (hdr.rssi[1] + 321) / 2;
		wstats.noise = ai->wstats.qual.noise;
		wstats.updated = IW_QUAL_QUAL_UPDATED
			| IW_QUAL_LEVEL_UPDATED
			| IW_QUAL_DBM;
		/* Update spy records */
		wireless_spy_update(ai->dev, sa, &wstats);
	}
#endif /* IW_WIRELESS_SPY */
	skb_reset_mac_header(skb);
	skb->pkt_type = PACKET_OTHERHOST;
	skb->dev = ai->wifidev;
	skb->protocol = htons(ETH_P_802_2);
	skb->ip_summed = CHECKSUM_NONE;
	netif_rx( skb );

badrx:
	if (rxd.valid == 0) {
		rxd.valid = 1;
		rxd.rdy = 0;
		rxd.len = PKTSIZE;
		memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
	}
}

static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
{
	Cmd cmd;
	Resp rsp;
	int status;
	SsidRid mySsid;
	__le16 lastindex;
	WepKeyRid wkr;
	int rc;

	memset( &mySsid, 0, sizeof( mySsid ) );
	kfree (ai->flash);
	ai->flash = NULL;

	/* The NOP is the first step in getting the card going */
	cmd.cmd = NOP;
	cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
	if (lock && down_interruptible(&ai->sem))
		return ERROR;
	if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
		if (lock)
			up(&ai->sem);
		return ERROR;
	}
	disable_MAC( ai, 0);

	// Let's figure out if we need to use the AUX port
	if (!test_bit(FLAG_MPI,&ai->flags)) {
		cmd.cmd = CMD_ENABLEAUX;
		if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
			if (lock)
				up(&ai->sem);
			airo_print_err(ai->dev->name, "Error checking for AUX port");
			return ERROR;
		}
		if (!aux_bap || rsp.status & 0xff00) {
			ai->bap_read = fast_bap_read;
			airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
		} else {
			ai->bap_read = aux_bap_read;
			airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
		}
	}
	if (lock)
		up(&ai->sem);
	if (ai->config.len == 0) {
		int i;
		tdsRssiRid rssi_rid;
		CapabilityRid cap_rid;

		kfree(ai->APList);
		ai->APList = NULL;
		kfree(ai->SSID);
		ai->SSID = NULL;
		// general configuration (read/modify/write)
		status = readConfigRid(ai, lock);
		if ( status != SUCCESS ) return ERROR;

		status = readCapabilityRid(ai, &cap_rid, lock);
		if ( status != SUCCESS ) return ERROR;

		status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
		if ( status == SUCCESS ) {
			if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
				memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
		}
		else {
			kfree(ai->rssi);
			ai->rssi = NULL;
			if (cap_rid.softCap & cpu_to_le16(8))
				ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
			else
				airo_print_warn(ai->dev->name, "unknown received signal "
						"level scale");
		}
		ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
		ai->config.authType = AUTH_OPEN;
		ai->config.modulation = MOD_CCK;

		if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
		    (cap_rid.extSoftCap & cpu_to_le16(1)) &&
		    micsetup(ai) == SUCCESS) {
			ai->config.opmode |= MODE_MIC;
			set_bit(FLAG_MIC_CAPABLE, &ai->flags);
		}

		/* Save off the MAC */
		for( i = 0; i < ETH_ALEN; i++ ) {
			mac[i] = ai->config.macAddr[i];
		}

		/* Check to see if there are any insmod configured
		   rates to add */
		if ( rates[0] ) {
			memset(ai->config.rates,0,sizeof(ai->config.rates));
			for( i = 0; i < 8 && rates[i]; i++ ) {
				ai->config.rates[i] = rates[i];
			}
		}
		set_bit (FLAG_COMMIT, &ai->flags);
	}

	/* Setup the SSIDs if present */
	if ( ssids[0] ) {
		int i;
		for( i = 0; i < 3 && ssids[i]; i++ ) {
			size_t len = strlen(ssids[i]);
			if (len > 32)
				len = 32;
			mySsid.ssids[i].len = cpu_to_le16(len);
			memcpy(mySsid.ssids[i].ssid, ssids[i], len);
		}
		mySsid.len = cpu_to_le16(sizeof(mySsid));
	}

	status = writeConfigRid(ai, lock);
	if ( status != SUCCESS ) return ERROR;

	/* Set up the SSID list */
	if ( ssids[0] ) {
		status = writeSsidRid(ai, &mySsid, lock);
		if ( status != SUCCESS ) return ERROR;
	}

	status = enable_MAC(ai, lock);
	if (status != SUCCESS)
		return ERROR;

	/* Grab the initial wep key, we gotta save it for auto_wep */
	rc = readWepKeyRid(ai, &wkr, 1, lock);
	if (rc == SUCCESS) do {
		lastindex = wkr.kindex;
		if (wkr.kindex == cpu_to_le16(0xffff)) {
			ai->defindex = wkr.mac[0];
		}
		rc = readWepKeyRid(ai, &wkr, 0, lock);
	} while(lastindex != wkr.kindex);

	try_auto_wep(ai);

	return SUCCESS;
}

static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
        // Im really paranoid about letting it run forever!
	int max_tries = 600000;

	if (IN4500(ai, EVSTAT) & EV_CMD)
		OUT4500(ai, EVACK, EV_CMD);

	OUT4500(ai, PARAM0, pCmd->parm0);
	OUT4500(ai, PARAM1, pCmd->parm1);
	OUT4500(ai, PARAM2, pCmd->parm2);
	OUT4500(ai, COMMAND, pCmd->cmd);

	while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
		if ((IN4500(ai, COMMAND)) == pCmd->cmd)
			// PC4500 didn't notice command, try again
			OUT4500(ai, COMMAND, pCmd->cmd);
		if (!in_atomic() && (max_tries & 255) == 0)
			schedule();
	}

	if ( max_tries == -1 ) {
		airo_print_err(ai->dev->name,
			"Max tries exceeded when issuing command");
		if (IN4500(ai, COMMAND) & COMMAND_BUSY)
			OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
		return ERROR;
	}

	// command completed
	pRsp->status = IN4500(ai, STATUS);
	pRsp->rsp0 = IN4500(ai, RESP0);
	pRsp->rsp1 = IN4500(ai, RESP1);
	pRsp->rsp2 = IN4500(ai, RESP2);
	if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
		airo_print_err(ai->dev->name,
			"cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
			pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
			pRsp->rsp2);

	// clear stuck command busy if necessary
	if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
		OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
	}
	// acknowledge processing the status/response
	OUT4500(ai, EVACK, EV_CMD);

	return SUCCESS;
}

/* Sets up the bap to start exchange data.  whichbap should
 * be one of the BAP0 or BAP1 defines.  Locks should be held before
 * calling! */
static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
{
	int timeout = 50;
	int max_tries = 3;

	OUT4500(ai, SELECT0+whichbap, rid);
	OUT4500(ai, OFFSET0+whichbap, offset);
	while (1) {
		int status = IN4500(ai, OFFSET0+whichbap);
		if (status & BAP_BUSY) {
                        /* This isn't really a timeout, but its kinda
			   close */
			if (timeout--) {
				continue;
			}
		} else if ( status & BAP_ERR ) {
			/* invalid rid or offset */
			airo_print_err(ai->dev->name, "BAP error %x %d",
				status, whichbap );
			return ERROR;
		} else if (status & BAP_DONE) { // success
			return SUCCESS;
		}
		if ( !(max_tries--) ) {
			airo_print_err(ai->dev->name,
				"BAP setup error too many retries\n");
			return ERROR;
		}
		// -- PC4500 missed it, try again
		OUT4500(ai, SELECT0+whichbap, rid);
		OUT4500(ai, OFFSET0+whichbap, offset);
		timeout = 50;
	}
}

/* should only be called by aux_bap_read.  This aux function and the
   following use concepts not documented in the developers guide.  I
   got them from a patch given to my by Aironet */
static u16 aux_setup(struct airo_info *ai, u16 page,
		     u16 offset, u16 *len)
{
	u16 next;

	OUT4500(ai, AUXPAGE, page);
	OUT4500(ai, AUXOFF, 0);
	next = IN4500(ai, AUXDATA);
	*len = IN4500(ai, AUXDATA)&0xff;
	if (offset != 4) OUT4500(ai, AUXOFF, offset);
	return next;
}

/* requires call to bap_setup() first */
static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
			int bytelen, int whichbap)
{
	u16 len;
	u16 page;
	u16 offset;
	u16 next;
	int words;
	int i;
	unsigned long flags;

	spin_lock_irqsave(&ai->aux_lock, flags);
	page = IN4500(ai, SWS0+whichbap);
	offset = IN4500(ai, SWS2+whichbap);
	next = aux_setup(ai, page, offset, &len);
	words = (bytelen+1)>>1;

	for (i=0; i<words;) {
		int count;
		count = (len>>1) < (words-i) ? (len>>1) : (words-i);
		if ( !do8bitIO )
			insw( ai->dev->base_addr+DATA0+whichbap,
			      pu16Dst+i,count );
		else
			insb( ai->dev->base_addr+DATA0+whichbap,
			      pu16Dst+i, count << 1 );
		i += count;
		if (i<words) {
			next = aux_setup(ai, next, 4, &len);
		}
	}
	spin_unlock_irqrestore(&ai->aux_lock, flags);
	return SUCCESS;
}


/* requires call to bap_setup() first */
static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
			 int bytelen, int whichbap)
{
	bytelen = (bytelen + 1) & (~1); // round up to even value
	if ( !do8bitIO )
		insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
	else
		insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
	return SUCCESS;
}

/* requires call to bap_setup() first */
static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
		     int bytelen, int whichbap)
{
	bytelen = (bytelen + 1) & (~1); // round up to even value
	if ( !do8bitIO )
		outsw( ai->dev->base_addr+DATA0+whichbap,
		       pu16Src, bytelen>>1 );
	else
		outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
	return SUCCESS;
}

static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
{
	Cmd cmd; /* for issuing commands */
	Resp rsp; /* response from commands */
	u16 status;

	memset(&cmd, 0, sizeof(cmd));
	cmd.cmd = accmd;
	cmd.parm0 = rid;
	status = issuecommand(ai, &cmd, &rsp);
	if (status != 0) return status;
	if ( (rsp.status & 0x7F00) != 0) {
		return (accmd << 8) + (rsp.rsp0 & 0xFF);
	}
	return 0;
}

/*  Note, that we are using BAP1 which is also used by transmit, so
 *  we must get a lock. */
static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
{
	u16 status;
        int rc = SUCCESS;

	if (lock) {
		if (down_interruptible(&ai->sem))
			return ERROR;
	}
	if (test_bit(FLAG_MPI,&ai->flags)) {
		Cmd cmd;
		Resp rsp;

		memset(&cmd, 0, sizeof(cmd));
		memset(&rsp, 0, sizeof(rsp));
		ai->config_desc.rid_desc.valid = 1;
		ai->config_desc.rid_desc.len = RIDSIZE;
		ai->config_desc.rid_desc.rid = 0;
		ai->config_desc.rid_desc.host_addr = ai->ridbus;

		cmd.cmd = CMD_ACCESS;
		cmd.parm0 = rid;

		memcpy_toio(ai->config_desc.card_ram_off,
			&ai->config_desc.rid_desc, sizeof(Rid));

		rc = issuecommand(ai, &cmd, &rsp);

		if (rsp.status & 0x7f00)
			rc = rsp.rsp0;
		if (!rc)
			memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
		goto done;
	} else {
		if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
	                rc = status;
	                goto done;
	        }
		if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
			rc = ERROR;
	                goto done;
	        }
		// read the rid length field
		bap_read(ai, pBuf, 2, BAP1);
		// length for remaining part of rid
		len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;

		if ( len <= 2 ) {
			airo_print_err(ai->dev->name,
				"Rid %x has a length of %d which is too short",
				(int)rid, (int)len );
			rc = ERROR;
	                goto done;
		}
		// read remainder of the rid
		rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
	}
done:
	if (lock)
		up(&ai->sem);
	return rc;
}

/*  Note, that we are using BAP1 which is also used by transmit, so
 *  make sure this isn't called when a transmit is happening */
static int PC4500_writerid(struct airo_info *ai, u16 rid,
			   const void *pBuf, int len, int lock)
{
	u16 status;
	int rc = SUCCESS;

	*(__le16*)pBuf = cpu_to_le16((u16)len);

	if (lock) {
		if (down_interruptible(&ai->sem))
			return ERROR;
	}
	if (test_bit(FLAG_MPI,&ai->flags)) {
		Cmd cmd;
		Resp rsp;

		if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
			airo_print_err(ai->dev->name,
				"%s: MAC should be disabled (rid=%04x)",
				__func__, rid);
		memset(&cmd, 0, sizeof(cmd));
		memset(&rsp, 0, sizeof(rsp));

		ai->config_desc.rid_desc.valid = 1;
		ai->config_desc.rid_desc.len = *((u16 *)pBuf);
		ai->config_desc.rid_desc.rid = 0;

		cmd.cmd = CMD_WRITERID;
		cmd.parm0 = rid;

		memcpy_toio(ai->config_desc.card_ram_off,
			&ai->config_desc.rid_desc, sizeof(Rid));

		if (len < 4 || len > 2047) {
			airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
			rc = -1;
		} else {
			memcpy((char *)ai->config_desc.virtual_host_addr,
				pBuf, len);

			rc = issuecommand(ai, &cmd, &rsp);
			if ((rc & 0xff00) != 0) {
				airo_print_err(ai->dev->name, "%s: Write rid Error %d",
						__func__, rc);
				airo_print_err(ai->dev->name, "%s: Cmd=%04x",
						__func__, cmd.cmd);
			}

			if ((rsp.status & 0x7f00))
				rc = rsp.rsp0;
		}
	} else {
		// --- first access so that we can write the rid data
		if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
	                rc = status;
	                goto done;
	        }
		// --- now write the rid data
		if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
	                rc = ERROR;
	                goto done;
	        }
		bap_write(ai, pBuf, len, BAP1);
		// ---now commit the rid data
		rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
	}
done:
	if (lock)
		up(&ai->sem);
        return rc;
}

/* Allocates a FID to be used for transmitting packets.  We only use
   one for now. */
static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
{
	unsigned int loop = 3000;
	Cmd cmd;
	Resp rsp;
	u16 txFid;
	__le16 txControl;

	cmd.cmd = CMD_ALLOCATETX;
	cmd.parm0 = lenPayload;
	if (down_interruptible(&ai->sem))
		return ERROR;
	if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
		txFid = ERROR;
		goto done;
	}
	if ( (rsp.status & 0xFF00) != 0) {
		txFid = ERROR;
		goto done;
	}
	/* wait for the allocate event/indication
	 * It makes me kind of nervous that this can just sit here and spin,
	 * but in practice it only loops like four times. */
	while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
	if (!loop) {
		txFid = ERROR;
		goto done;
	}

	// get the allocated fid and acknowledge
	txFid = IN4500(ai, TXALLOCFID);
	OUT4500(ai, EVACK, EV_ALLOC);

	/*  The CARD is pretty cool since it converts the ethernet packet
	 *  into 802.11.  Also note that we don't release the FID since we
	 *  will be using the same one over and over again. */
	/*  We only have to setup the control once since we are not
	 *  releasing the fid. */
	if (raw)
		txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
			| TXCTL_ETHERNET | TXCTL_NORELEASE);
	else
		txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
			| TXCTL_ETHERNET | TXCTL_NORELEASE);
	if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
		txFid = ERROR;
	else
		bap_write(ai, &txControl, sizeof(txControl), BAP1);

done:
	up(&ai->sem);

	return txFid;
}

/* In general BAP1 is dedicated to transmiting packets.  However,
   since we need a BAP when accessing RIDs, we also use BAP1 for that.
   Make sure the BAP1 spinlock is held when this is called. */
static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
{
	__le16 payloadLen;
	Cmd cmd;
	Resp rsp;
	int miclen = 0;
	u16 txFid = len;
	MICBuffer pMic;

	len >>= 16;

	if (len <= ETH_ALEN * 2) {
		airo_print_warn(ai->dev->name, "Short packet %d", len);
		return ERROR;
	}
	len -= ETH_ALEN * 2;

	if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled && 
	    (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
		if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
			return ERROR;
		miclen = sizeof(pMic);
	}
	// packet is destination[6], source[6], payload[len-12]
	// write the payload length and dst/src/payload
	if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
	/* The hardware addresses aren't counted as part of the payload, so
	 * we have to subtract the 12 bytes for the addresses off */
	payloadLen = cpu_to_le16(len + miclen);
	bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
	bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
	if (miclen)
		bap_write(ai, (__le16*)&pMic, miclen, BAP1);
	bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
	// issue the transmit command
	memset( &cmd, 0, sizeof( cmd ) );
	cmd.cmd = CMD_TRANSMIT;
	cmd.parm0 = txFid;
	if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
	if ( (rsp.status & 0xFF00) != 0) return ERROR;
	return SUCCESS;
}

static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
{
	__le16 fc, payloadLen;
	Cmd cmd;
	Resp rsp;
	int hdrlen;
	static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
	/* padding of header to full size + le16 gaplen (6) + gaplen bytes */
	u16 txFid = len;
	len >>= 16;

	fc = *(__le16*)pPacket;
	hdrlen = header_len(fc);

	if (len < hdrlen) {
		airo_print_warn(ai->dev->name, "Short packet %d", len);
		return ERROR;
	}

	/* packet is 802.11 header +  payload
	 * write the payload length and dst/src/payload */
	if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
	/* The 802.11 header aren't counted as part of the payload, so
	 * we have to subtract the header bytes off */
	payloadLen = cpu_to_le16(len-hdrlen);
	bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
	if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
	bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
	bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);

	bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
	// issue the transmit command
	memset( &cmd, 0, sizeof( cmd ) );
	cmd.cmd = CMD_TRANSMIT;
	cmd.parm0 = txFid;
	if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
	if ( (rsp.status & 0xFF00) != 0) return ERROR;
	return SUCCESS;
}

/*
 *  This is the proc_fs routines.  It is a bit messier than I would
 *  like!  Feel free to clean it up!
 */

static ssize_t proc_read( struct file *file,
			  char __user *buffer,
			  size_t len,
			  loff_t *offset);

static ssize_t proc_write( struct file *file,
			   const char __user *buffer,
			   size_t len,
			   loff_t *offset );
static int proc_close( struct inode *inode, struct file *file );

static int proc_stats_open( struct inode *inode, struct file *file );
static int proc_statsdelta_open( struct inode *inode, struct file *file );
static int proc_status_open( struct inode *inode, struct file *file );
static int proc_SSID_open( struct inode *inode, struct file *file );
static int proc_APList_open( struct inode *inode, struct file *file );
static int proc_BSSList_open( struct inode *inode, struct file *file );
static int proc_config_open( struct inode *inode, struct file *file );
static int proc_wepkey_open( struct inode *inode, struct file *file );

static const struct file_operations proc_statsdelta_ops = {
	.owner		= THIS_MODULE,
	.read		= proc_read,
	.open		= proc_statsdelta_open,
	.release	= proc_close,
	.llseek		= default_llseek,
};

static const struct file_operations proc_stats_ops = {
	.owner		= THIS_MODULE,
	.read		= proc_read,
	.open		= proc_stats_open,
	.release	= proc_close,
	.llseek		= default_llseek,
};

static const struct file_operations proc_status_ops = {
	.owner		= THIS_MODULE,
	.read		= proc_read,
	.open		= proc_status_open,
	.release	= proc_close,
	.llseek		= default_llseek,
};

static const struct file_operations proc_SSID_ops = {
	.owner		= THIS_MODULE,
	.read		= proc_read,
	.write		= proc_write,
	.open		= proc_SSID_open,
	.release	= proc_close,
	.llseek		= default_llseek,
};

static const struct file_operations proc_BSSList_ops = {
	.owner		= THIS_MODULE,
	.read		= proc_read,
	.write		= proc_write,
	.open		= proc_BSSList_open,
	.release	= proc_close,
	.llseek		= default_llseek,
};

static const struct file_operations proc_APList_ops = {
	.owner		= THIS_MODULE,
	.read		= proc_read,
	.write		= proc_write,
	.open		= proc_APList_open,
	.release	= proc_close,
	.llseek		= default_llseek,
};

static const struct file_operations proc_config_ops = {
	.owner		= THIS_MODULE,
	.read		= proc_read,
	.write		= proc_write,
	.open		= proc_config_open,
	.release	= proc_close,
	.llseek		= default_llseek,
};

static const struct file_operations proc_wepkey_ops = {
	.owner		= THIS_MODULE,
	.read		= proc_read,
	.write		= proc_write,
	.open		= proc_wepkey_open,
	.release	= proc_close,
	.llseek		= default_llseek,
};

static struct proc_dir_entry *airo_entry;

struct proc_data {
	int release_buffer;
	int readlen;
	char *rbuffer;
	int writelen;
	int maxwritelen;
	char *wbuffer;
	void (*on_close) (struct inode *, struct file *);
};

static int setup_proc_entry( struct net_device *dev,
			     struct airo_info *apriv ) {
	struct proc_dir_entry *entry;
	/* First setup the device directory */
	strcpy(apriv->proc_name,dev->name);
	apriv->proc_entry = proc_mkdir_mode(apriv->proc_name, airo_perm,
					    airo_entry);
	if (!apriv->proc_entry)
		goto fail;
	apriv->proc_entry->uid = proc_uid;
	apriv->proc_entry->gid = proc_gid;

	/* Setup the StatsDelta */
	entry = proc_create_data("StatsDelta", S_IRUGO & proc_perm,
				 apriv->proc_entry, &proc_statsdelta_ops, dev);
	if (!entry)
		goto fail_stats_delta;
	entry->uid = proc_uid;
	entry->gid = proc_gid;

	/* Setup the Stats */
	entry = proc_create_data("Stats", S_IRUGO & proc_perm,
				 apriv->proc_entry, &proc_stats_ops, dev);
	if (!entry)
		goto fail_stats;
	entry->uid = proc_uid;
	entry->gid = proc_gid;

	/* Setup the Status */
	entry = proc_create_data("Status", S_IRUGO & proc_perm,
				 apriv->proc_entry, &proc_status_ops, dev);
	if (!entry)
		goto fail_status;
	entry->uid = proc_uid;
	entry->gid = proc_gid;

	/* Setup the Config */
	entry = proc_create_data("Config", proc_perm,
				 apriv->proc_entry, &proc_config_ops, dev);
	if (!entry)
		goto fail_config;
	entry->uid = proc_uid;
	entry->gid = proc_gid;

	/* Setup the SSID */
	entry = proc_create_data("SSID", proc_perm,
				 apriv->proc_entry, &proc_SSID_ops, dev);
	if (!entry)
		goto fail_ssid;
	entry->uid = proc_uid;
	entry->gid = proc_gid;

	/* Setup the APList */
	entry = proc_create_data("APList", proc_perm,
				 apriv->proc_entry, &proc_APList_ops, dev);
	if (!entry)
		goto fail_aplist;
	entry->uid = proc_uid;
	entry->gid = proc_gid;

	/* Setup the BSSList */
	entry = proc_create_data("BSSList", proc_perm,
				 apriv->proc_entry, &proc_BSSList_ops, dev);
	if (!entry)
		goto fail_bsslist;
	entry->uid = proc_uid;
	entry->gid = proc_gid;

	/* Setup the WepKey */
	entry = proc_create_data("WepKey", proc_perm,
				 apriv->proc_entry, &proc_wepkey_ops, dev);
	if (!entry)
		goto fail_wepkey;
	entry->uid = proc_uid;
	entry->gid = proc_gid;

	return 0;

fail_wepkey:
	remove_proc_entry("BSSList", apriv->proc_entry);
fail_bsslist:
	remove_proc_entry("APList", apriv->proc_entry);
fail_aplist:
	remove_proc_entry("SSID", apriv->proc_entry);
fail_ssid:
	remove_proc_entry("Config", apriv->proc_entry);
fail_config:
	remove_proc_entry("Status", apriv->proc_entry);
fail_status:
	remove_proc_entry("Stats", apriv->proc_entry);
fail_stats:
	remove_proc_entry("StatsDelta", apriv->proc_entry);
fail_stats_delta:
	remove_proc_entry(apriv->proc_name, airo_entry);
fail:
	return -ENOMEM;
}

static int takedown_proc_entry( struct net_device *dev,
				struct airo_info *apriv ) {
	if ( !apriv->proc_entry->namelen ) return 0;
	remove_proc_entry("Stats",apriv->proc_entry);
	remove_proc_entry("StatsDelta",apriv->proc_entry);
	remove_proc_entry("Status",apriv->proc_entry);
	remove_proc_entry("Config",apriv->proc_entry);
	remove_proc_entry("SSID",apriv->proc_entry);
	remove_proc_entry("APList",apriv->proc_entry);
	remove_proc_entry("BSSList",apriv->proc_entry);
	remove_proc_entry("WepKey",apriv->proc_entry);
	remove_proc_entry(apriv->proc_name,airo_entry);
	return 0;
}

/*
 *  What we want from the proc_fs is to be able to efficiently read
 *  and write the configuration.  To do this, we want to read the
 *  configuration when the file is opened and write it when the file is
 *  closed.  So basically we allocate a read buffer at open and fill it
 *  with data, and allocate a write buffer and read it at close.
 */

/*
 *  The read routine is generic, it relies on the preallocated rbuffer
 *  to supply the data.
 */
static ssize_t proc_read( struct file *file,
			  char __user *buffer,
			  size_t len,
			  loff_t *offset )
{
	struct proc_data *priv = file->private_data;

	if (!priv->rbuffer)
		return -EINVAL;

	return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
					priv->readlen);
}

/*
 *  The write routine is generic, it fills in a preallocated rbuffer
 *  to supply the data.
 */
static ssize_t proc_write( struct file *file,
			   const char __user *buffer,
			   size_t len,
			   loff_t *offset )
{
	ssize_t ret;
	struct proc_data *priv = file->private_data;

	if (!priv->wbuffer)
		return -EINVAL;

	ret = simple_write_to_buffer(priv->wbuffer, priv->maxwritelen, offset,
					buffer, len);
	if (ret > 0)
		priv->writelen = max_t(int, priv->writelen, *offset);

	return ret;
}

static int proc_status_open(struct inode *inode, struct file *file)
{
	struct proc_data *data;
	struct proc_dir_entry *dp = PDE(inode);
	struct net_device *dev = dp->data;
	struct airo_info *apriv = dev->ml_priv;
	CapabilityRid cap_rid;
	StatusRid status_rid;
	u16 mode;
	int i;

	if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
		return -ENOMEM;
	data = file->private_data;
	if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
		kfree (file->private_data);
		return -ENOMEM;
	}

	readStatusRid(apriv, &status_rid, 1);
	readCapabilityRid(apriv, &cap_rid, 1);

	mode = le16_to_cpu(status_rid.mode);

        i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
                    mode & 1 ? "CFG ": "",
                    mode & 2 ? "ACT ": "",
                    mode & 0x10 ? "SYN ": "",
                    mode & 0x20 ? "LNK ": "",
                    mode & 0x40 ? "LEAP ": "",
                    mode & 0x80 ? "PRIV ": "",
                    mode & 0x100 ? "KEY ": "",
                    mode & 0x200 ? "WEP ": "",
                    mode & 0x8000 ? "ERR ": "");
	sprintf( data->rbuffer+i, "Mode: %x\n"
		 "Signal Strength: %d\n"
		 "Signal Quality: %d\n"
		 "SSID: %-.*s\n"
		 "AP: %-.16s\n"
		 "Freq: %d\n"
		 "BitRate: %dmbs\n"
		 "Driver Version: %s\n"
		 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
		 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
		 "Software Version: %x\nSoftware Subversion: %x\n"
		 "Boot block version: %x\n",
		 le16_to_cpu(status_rid.mode),
		 le16_to_cpu(status_rid.normalizedSignalStrength),
		 le16_to_cpu(status_rid.signalQuality),
		 le16_to_cpu(status_rid.SSIDlen),
		 status_rid.SSID,
		 status_rid.apName,
		 le16_to_cpu(status_rid.channel),
		 le16_to_cpu(status_rid.currentXmitRate) / 2,
		 version,
		 cap_rid.prodName,
		 cap_rid.manName,
		 cap_rid.prodVer,
		 le16_to_cpu(cap_rid.radioType),
		 le16_to_cpu(cap_rid.country),
		 le16_to_cpu(cap_rid.hardVer),
		 le16_to_cpu(cap_rid.softVer),
		 le16_to_cpu(cap_rid.softSubVer),
		 le16_to_cpu(cap_rid.bootBlockVer));
	data->readlen = strlen( data->rbuffer );
	return 0;
}

static int proc_stats_rid_open(struct inode*, struct file*, u16);
static int proc_statsdelta_open( struct inode *inode,
				 struct file *file ) {
	if (file->f_mode&FMODE_WRITE) {
		return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
	}
	return proc_stats_rid_open(inode, file, RID_STATSDELTA);
}

static int proc_stats_open( struct inode *inode, struct file *file ) {
	return proc_stats_rid_open(inode, file, RID_STATS);
}

static int proc_stats_rid_open( struct inode *inode,
				struct file *file,
				u16 rid )
{
	struct proc_data *data;
	struct proc_dir_entry *dp = PDE(inode);
	struct net_device *dev = dp->data;
	struct airo_info *apriv = dev->ml_priv;
	StatsRid stats;
	int i, j;
	__le32 *vals = stats.vals;
	int len;

	if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
		return -ENOMEM;
	data = file->private_data;
	if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
		kfree (file->private_data);
		return -ENOMEM;
	}

	readStatsRid(apriv, &stats, rid, 1);
	len = le16_to_cpu(stats.len);

        j = 0;
	for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
		if (!statsLabels[i]) continue;
		if (j+strlen(statsLabels[i])+16>4096) {
			airo_print_warn(apriv->dev->name,
			       "Potentially disastrous buffer overflow averted!");
			break;
		}
		j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
				le32_to_cpu(vals[i]));
	}
	if (i*4 >= len) {
		airo_print_warn(apriv->dev->name, "Got a short rid");
	}
	data->readlen = j;
	return 0;
}

static int get_dec_u16( char *buffer, int *start, int limit ) {
	u16 value;
	int valid = 0;
	for (value = 0; *start < limit && buffer[*start] >= '0' &&
			buffer[*start] <= '9'; (*start)++) {
		valid = 1;
		value *= 10;
		value += buffer[*start] - '0';
	}
	if ( !valid ) return -1;
	return value;
}

static int airo_config_commit(struct net_device *dev,
			      struct iw_request_info *info, void *zwrq,
			      char *extra);

static inline int sniffing_mode(struct airo_info *ai)
{
	return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >=
		le16_to_cpu(RXMODE_RFMON);
}

static void proc_config_on_close(struct inode *inode, struct file *file)
{
	struct proc_data *data = file->private_data;
	struct proc_dir_entry *dp = PDE(inode);
	struct net_device *dev = dp->data;
	struct airo_info *ai = dev->ml_priv;
	char *line;

	if ( !data->writelen ) return;

	readConfigRid(ai, 1);
	set_bit (FLAG_COMMIT, &ai->flags);

	line = data->wbuffer;
	while( line[0] ) {
/*** Mode processing */
		if ( !strncmp( line, "Mode: ", 6 ) ) {
			line += 6;
			if (sniffing_mode(ai))
				set_bit (FLAG_RESET, &ai->flags);
			ai->config.rmode &= ~RXMODE_FULL_MASK;
			clear_bit (FLAG_802_11, &ai->flags);
			ai->config.opmode &= ~MODE_CFG_MASK;
			ai->config.scanMode = SCANMODE_ACTIVE;
			if ( line[0] == 'a' ) {
				ai->config.opmode |= MODE_STA_IBSS;
			} else {
				ai->config.opmode |= MODE_STA_ESS;
				if ( line[0] == 'r' ) {
					ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
					ai->config.scanMode = SCANMODE_PASSIVE;
					set_bit (FLAG_802_11, &ai->flags);
				} else if ( line[0] == 'y' ) {
					ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
					ai->config.scanMode = SCANMODE_PASSIVE;
					set_bit (FLAG_802_11, &ai->flags);
				} else if ( line[0] == 'l' )
					ai->config.rmode |= RXMODE_LANMON;
			}
			set_bit (FLAG_COMMIT, &ai->flags);
		}

/*** Radio status */
		else if (!strncmp(line,"Radio: ", 7)) {
			line += 7;
			if (!strncmp(line,"off",3)) {
				set_bit (FLAG_RADIO_OFF, &ai->flags);
			} else {
				clear_bit (FLAG_RADIO_OFF, &ai->flags);
			}
		}
/*** NodeName processing */
		else if ( !strncmp( line, "NodeName: ", 10 ) ) {
			int j;

			line += 10;
			memset( ai->config.nodeName, 0, 16 );
/* Do the name, assume a space between the mode and node name */
			for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
				ai->config.nodeName[j] = line[j];
			}
			set_bit (FLAG_COMMIT, &ai->flags);
		}

/*** PowerMode processing */
		else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
			line += 11;
			if ( !strncmp( line, "PSPCAM", 6 ) ) {
				ai->config.powerSaveMode = POWERSAVE_PSPCAM;
				set_bit (FLAG_COMMIT, &ai->flags);
			} else if ( !strncmp( line, "PSP", 3 ) ) {
				ai->config.powerSaveMode = POWERSAVE_PSP;
				set_bit (FLAG_COMMIT, &ai->flags);
			} else {
				ai->config.powerSaveMode = POWERSAVE_CAM;
				set_bit (FLAG_COMMIT, &ai->flags);
			}
		} else if ( !strncmp( line, "DataRates: ", 11 ) ) {
			int v, i = 0, k = 0; /* i is index into line,
						k is index to rates */

			line += 11;
			while((v = get_dec_u16(line, &i, 3))!=-1) {
				ai->config.rates[k++] = (u8)v;
				line += i + 1;
				i = 0;
			}
			set_bit (FLAG_COMMIT, &ai->flags);
		} else if ( !strncmp( line, "Channel: ", 9 ) ) {
			int v, i = 0;
			line += 9;
			v = get_dec_u16(line, &i, i+3);
			if ( v != -1 ) {
				ai->config.channelSet = cpu_to_le16(v);
				set_bit (FLAG_COMMIT, &ai->flags);
			}
		} else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
			int v, i = 0;
			line += 11;
			v = get_dec_u16(line, &i, i+3);
			if ( v != -1 ) {
				ai->config.txPower = cpu_to_le16(v);
				set_bit (FLAG_COMMIT, &ai->flags);
			}
		} else if ( !strncmp( line, "WEP: ", 5 ) ) {
			line += 5;
			switch( line[0] ) {
			case 's':
				ai->config.authType = AUTH_SHAREDKEY;
				break;
			case 'e':
				ai->config.authType = AUTH_ENCRYPT;
				break;
			default:
				ai->config.authType = AUTH_OPEN;
				break;
			}
			set_bit (FLAG_COMMIT, &ai->flags);
		} else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
			int v, i = 0;

			line += 16;
			v = get_dec_u16(line, &i, 3);
			v = (v<0) ? 0 : ((v>255) ? 255 : v);
			ai->config.longRetryLimit = cpu_to_le16(v);
			set_bit (FLAG_COMMIT, &ai->flags);
		} else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
			int v, i = 0;

			line += 17;
			v = get_dec_u16(line, &i, 3);
			v = (v<0) ? 0 : ((v>255) ? 255 : v);
			ai->config.shortRetryLimit = cpu_to_le16(v);
			set_bit (FLAG_COMMIT, &ai->flags);
		} else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
			int v, i = 0;

			line += 14;
			v = get_dec_u16(line, &i, 4);
			v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
			ai->config.rtsThres = cpu_to_le16(v);
			set_bit (FLAG_COMMIT, &ai->flags);
		} else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
			int v, i = 0;

			line += 16;
			v = get_dec_u16(line, &i, 5);
			v = (v<0) ? 0 : v;
			ai->config.txLifetime = cpu_to_le16(v);
			set_bit (FLAG_COMMIT, &ai->flags);
		} else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
			int v, i = 0;

			line += 16;
			v = get_dec_u16(line, &i, 5);
			v = (v<0) ? 0 : v;
			ai->config.rxLifetime = cpu_to_le16(v);
			set_bit (FLAG_COMMIT, &ai->flags);
		} else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
			ai->config.txDiversity =
				(line[13]=='l') ? 1 :
				((line[13]=='r')? 2: 3);
			set_bit (FLAG_COMMIT, &ai->flags);
		} else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
			ai->config.rxDiversity =
				(line[13]=='l') ? 1 :
				((line[13]=='r')? 2: 3);
			set_bit (FLAG_COMMIT, &ai->flags);
		} else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
			int v, i = 0;

			line += 15;
			v = get_dec_u16(line, &i, 4);
			v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
			v = v & 0xfffe; /* Make sure its even */
			ai->config.fragThresh = cpu_to_le16(v);
			set_bit (FLAG_COMMIT, &ai->flags);
		} else if (!strncmp(line, "Modulation: ", 12)) {
			line += 12;
			switch(*line) {
			case 'd':  ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
			case 'c':  ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
			case 'm':  ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
			default: airo_print_warn(ai->dev->name, "Unknown modulation");
			}
		} else if (!strncmp(line, "Preamble: ", 10)) {
			line += 10;
			switch(*line) {
			case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
			case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
			case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
			default: airo_print_warn(ai->dev->name, "Unknown preamble");
			}
		} else {
			airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
		}
		while( line[0] && line[0] != '\n' ) line++;
		if ( line[0] ) line++;
	}
	airo_config_commit(dev, NULL, NULL, NULL);
}

static const char *get_rmode(__le16 mode)
{
        switch(mode & RXMODE_MASK) {
        case RXMODE_RFMON:  return "rfmon";
        case RXMODE_RFMON_ANYBSS:  return "yna (any) bss rfmon";
        case RXMODE_LANMON:  return "lanmon";
        }
        return "ESS";
}

static int proc_config_open(struct inode *inode, struct file *file)
{
	struct proc_data *data;
	struct proc_dir_entry *dp = PDE(inode);
	struct net_device *dev = dp->data;
	struct airo_info *ai = dev->ml_priv;
	int i;
	__le16 mode;

	if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
		return -ENOMEM;
	data = file->private_data;
	if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
		kfree (file->private_data);
		return -ENOMEM;
	}
	if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
		kfree (data->rbuffer);
		kfree (file->private_data);
		return -ENOMEM;
	}
	data->maxwritelen = 2048;
	data->on_close = proc_config_on_close;

	readConfigRid(ai, 1);

	mode = ai->config.opmode & MODE_CFG_MASK;
	i = sprintf( data->rbuffer,
		     "Mode: %s\n"
		     "Radio: %s\n"
		     "NodeName: %-16s\n"
		     "PowerMode: %s\n"
		     "DataRates: %d %d %d %d %d %d %d %d\n"
		     "Channel: %d\n"
		     "XmitPower: %d\n",
		     mode == MODE_STA_IBSS ? "adhoc" :
		     mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
		     mode == MODE_AP ? "AP" :
		     mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
		     test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
		     ai->config.nodeName,
		     ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
		     ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
		     ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
		     "Error",
		     (int)ai->config.rates[0],
		     (int)ai->config.rates[1],
		     (int)ai->config.rates[2],
		     (int)ai->config.rates[3],
		     (int)ai->config.rates[4],
		     (int)ai->config.rates[5],
		     (int)ai->config.rates[6],
		     (int)ai->config.rates[7],
		     le16_to_cpu(ai->config.channelSet),
		     le16_to_cpu(ai->config.txPower)
		);
	sprintf( data->rbuffer + i,
		 "LongRetryLimit: %d\n"
		 "ShortRetryLimit: %d\n"
		 "RTSThreshold: %d\n"
		 "TXMSDULifetime: %d\n"
		 "RXMSDULifetime: %d\n"
		 "TXDiversity: %s\n"
		 "RXDiversity: %s\n"
		 "FragThreshold: %d\n"
		 "WEP: %s\n"
		 "Modulation: %s\n"
		 "Preamble: %s\n",
		 le16_to_cpu(ai->config.longRetryLimit),
		 le16_to_cpu(ai->config.shortRetryLimit),
		 le16_to_cpu(ai->config.rtsThres),
		 le16_to_cpu(ai->config.txLifetime),
		 le16_to_cpu(ai->config.rxLifetime),
		 ai->config.txDiversity == 1 ? "left" :
		 ai->config.txDiversity == 2 ? "right" : "both",
		 ai->config.rxDiversity == 1 ? "left" :
		 ai->config.rxDiversity == 2 ? "right" : "both",
		 le16_to_cpu(ai->config.fragThresh),
		 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
		 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
		 ai->config.modulation == MOD_DEFAULT ? "default" :
		 ai->config.modulation == MOD_CCK ? "cck" :
		 ai->config.modulation == MOD_MOK ? "mok" : "error",
		 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
		 ai->config.preamble == PREAMBLE_LONG ? "long" :
		 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
		);
	data->readlen = strlen( data->rbuffer );
	return 0;
}

static void proc_SSID_on_close(struct inode *inode, struct file *file)
{
	struct proc_data *data = file->private_data;
	struct proc_dir_entry *dp = PDE(inode);
	struct net_device *dev = dp->data;
	struct airo_info *ai = dev->ml_priv;
	SsidRid SSID_rid;
	int i;
	char *p = data->wbuffer;
	char *end = p + data->writelen;

	if (!data->writelen)
		return;

	*end = '\n'; /* sentinel; we have space for it */

	memset(&SSID_rid, 0, sizeof(SSID_rid));

	for (i = 0; i < 3 && p < end; i++) {
		int j = 0;
		/* copy up to 32 characters from this line */
		while (*p != '\n' && j < 32)
			SSID_rid.ssids[i].ssid[j++] = *p++;
		if (j == 0)
			break;
		SSID_rid.ssids[i].len = cpu_to_le16(j);
		/* skip to the beginning of the next line */
		while (*p++ != '\n')
			;
	}
	if (i)
		SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
	disable_MAC(ai, 1);
	writeSsidRid(ai, &SSID_rid, 1);
	enable_MAC(ai, 1);
}

static void proc_APList_on_close( struct inode *inode, struct file *file ) {
	struct proc_data *data = file->private_data;
	struct proc_dir_entry *dp = PDE(inode);
	struct net_device *dev = dp->data;
	struct airo_info *ai = dev->ml_priv;
	APListRid APList_rid;
	int i;

	if ( !data->writelen ) return;

	memset( &APList_rid, 0, sizeof(APList_rid) );
	APList_rid.len = cpu_to_le16(sizeof(APList_rid));

	for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
		int j;
		for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
			switch(j%3) {
			case 0:
				APList_rid.ap[i][j/3]=
					hex_to_bin(data->wbuffer[j+i*6*3])<<4;
				break;
			case 1:
				APList_rid.ap[i][j/3]|=
					hex_to_bin(data->wbuffer[j+i*6*3]);
				break;
			}
		}
	}
	disable_MAC(ai, 1);
	writeAPListRid(ai, &APList_rid, 1);
	enable_MAC(ai, 1);
}

/* This function wraps PC4500_writerid with a MAC disable */
static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
			int len, int dummy ) {
	int rc;

	disable_MAC(ai, 1);
	rc = PC4500_writerid(ai, rid, rid_data, len, 1);
	enable_MAC(ai, 1);
	return rc;
}

/* Returns the WEP key at the specified index, or -1 if that key does
 * not exist.  The buffer is assumed to be at least 16 bytes in length.
 */
static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
{
	WepKeyRid wkr;
	int rc;
	__le16 lastindex;

	rc = readWepKeyRid(ai, &wkr, 1, 1);
	if (rc != SUCCESS)
		return -1;
	do {
		lastindex = wkr.kindex;
		if (le16_to_cpu(wkr.kindex) == index) {
			int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
			memcpy(buf, wkr.key, klen);
			return klen;
		}
		rc = readWepKeyRid(ai, &wkr, 0, 1);
		if (rc != SUCCESS)
			return -1;
	} while (lastindex != wkr.kindex);
	return -1;
}

static int get_wep_tx_idx(struct airo_info *ai)
{
	WepKeyRid wkr;
	int rc;
	__le16 lastindex;

	rc = readWepKeyRid(ai, &wkr, 1, 1);
	if (rc != SUCCESS)
		return -1;
	do {
		lastindex = wkr.kindex;
		if (wkr.kindex == cpu_to_le16(0xffff))
			return wkr.mac[0];
		rc = readWepKeyRid(ai, &wkr, 0, 1);
		if (rc != SUCCESS)
			return -1;
	} while (lastindex != wkr.kindex);
	return -1;
}

static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
		       u16 keylen, int perm, int lock)
{
	static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
	WepKeyRid wkr;
	int rc;

	if (WARN_ON(keylen == 0))
		return -1;

	memset(&wkr, 0, sizeof(wkr));
	wkr.len = cpu_to_le16(sizeof(wkr));
	wkr.kindex = cpu_to_le16(index);
	wkr.klen = cpu_to_le16(keylen);
	memcpy(wkr.key, key, keylen);
	memcpy(wkr.mac, macaddr, ETH_ALEN);

	if (perm) disable_MAC(ai, lock);
	rc = writeWepKeyRid(ai, &wkr, perm, lock);
	if (perm) enable_MAC(ai, lock);
	return rc;
}

static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
{
	WepKeyRid wkr;
	int rc;

	memset(&wkr, 0, sizeof(wkr));
	wkr.len = cpu_to_le16(sizeof(wkr));
	wkr.kindex = cpu_to_le16(0xffff);
	wkr.mac[0] = (char)index;

	if (perm) {
		ai->defindex = (char)index;
		disable_MAC(ai, lock);
	}

	rc = writeWepKeyRid(ai, &wkr, perm, lock);

	if (perm)
		enable_MAC(ai, lock);
	return rc;
}

static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
	struct proc_data *data;
	struct proc_dir_entry *dp = PDE(inode);
	struct net_device *dev = dp->data;
	struct airo_info *ai = dev->ml_priv;
	int i, rc;
	char key[16];
	u16 index = 0;
	int j = 0;

	memset(key, 0, sizeof(key));

	data = file->private_data;
	if ( !data->writelen ) return;

	if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
	    (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
		index = data->wbuffer[0] - '0';
		if (data->wbuffer[1] == '\n') {
			rc = set_wep_tx_idx(ai, index, 1, 1);
			if (rc < 0) {
				airo_print_err(ai->dev->name, "failed to set "
				               "WEP transmit index to %d: %d.",
				               index, rc);
			}
			return;
		}
		j = 2;
	} else {
		airo_print_err(ai->dev->name, "WepKey passed invalid key index");
		return;
	}

	for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
		switch(i%3) {
		case 0:
			key[i/3] = hex_to_bin(data->wbuffer[i+j])<<4;
			break;
		case 1:
			key[i/3] |= hex_to_bin(data->wbuffer[i+j]);
			break;
		}
	}

	rc = set_wep_key(ai, index, key, i/3, 1, 1);
	if (rc < 0) {
		airo_print_err(ai->dev->name, "failed to set WEP key at index "
		               "%d: %d.", index, rc);
	}
}

static int proc_wepkey_open( struct inode *inode, struct file *file )
{
	struct proc_data *data;
	struct proc_dir_entry *dp = PDE(inode);
	struct net_device *dev = dp->data;
	struct airo_info *ai = dev->ml_priv;
	char *ptr;
	WepKeyRid wkr;
	__le16 lastindex;
	int j=0;
	int rc;

	if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
		return -ENOMEM;
	memset(&wkr, 0, sizeof(wkr));
	data = file->private_data;
	if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
		kfree (file->private_data);
		return -ENOMEM;
	}
	data->writelen = 0;
	data->maxwritelen = 80;
	if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
		kfree (data->rbuffer);
		kfree (file->private_data);
		return -ENOMEM;
	}
	data->on_close = proc_wepkey_on_close;

	ptr = data->rbuffer;
	strcpy(ptr, "No wep keys\n");
	rc = readWepKeyRid(ai, &wkr, 1, 1);
	if (rc == SUCCESS) do {
		lastindex = wkr.kindex;
		if (wkr.kindex == cpu_to_le16(0xffff)) {
			j += sprintf(ptr+j, "Tx key = %d\n",
				     (int)wkr.mac[0]);
		} else {
			j += sprintf(ptr+j, "Key %d set with length = %d\n",
				     le16_to_cpu(wkr.kindex),
				     le16_to_cpu(wkr.klen));
		}
		readWepKeyRid(ai, &wkr, 0, 1);
	} while((lastindex != wkr.kindex) && (j < 180-30));

	data->readlen = strlen( data->rbuffer );
	return 0;
}

static int proc_SSID_open(struct inode *inode, struct file *file)
{
	struct proc_data *data;
	struct proc_dir_entry *dp = PDE(inode);
	struct net_device *dev = dp->data;
	struct airo_info *ai = dev->ml_priv;
	int i;
	char *ptr;
	SsidRid SSID_rid;

	if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
		return -ENOMEM;
	data = file->private_data;
	if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
		kfree (file->private_data);
		return -ENOMEM;
	}
	data->writelen = 0;
	data->maxwritelen = 33*3;
	/* allocate maxwritelen + 1; we'll want a sentinel */
	if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
		kfree (data->rbuffer);
		kfree (file->private_data);
		return -ENOMEM;
	}
	data->on_close = proc_SSID_on_close;

	readSsidRid(ai, &SSID_rid);
	ptr = data->rbuffer;
	for (i = 0; i < 3; i++) {
		int j;
		size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
		if (!len)
			break;
		if (len > 32)
			len = 32;
		for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
			*ptr++ = SSID_rid.ssids[i].ssid[j];
		*ptr++ = '\n';
	}
	*ptr = '\0';
	data->readlen = strlen( data->rbuffer );
	return 0;
}

static int proc_APList_open( struct inode *inode, struct file *file ) {
	struct proc_data *data;
	struct proc_dir_entry *dp = PDE(inode);
	struct net_device *dev = dp->data;
	struct airo_info *ai = dev->ml_priv;
	int i;
	char *ptr;
	APListRid APList_rid;

	if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
		return -ENOMEM;
	data = file->private_data;
	if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
		kfree (file->private_data);
		return -ENOMEM;
	}
	data->writelen = 0;
	data->maxwritelen = 4*6*3;
	if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
		kfree (data->rbuffer);
		kfree (file->private_data);
		return -ENOMEM;
	}
	data->on_close = proc_APList_on_close;

	readAPListRid(ai, &APList_rid);
	ptr = data->rbuffer;
	for( i = 0; i < 4; i++ ) {
// We end when we find a zero MAC
		if ( !*(int*)APList_rid.ap[i] &&
		     !*(int*)&APList_rid.ap[i][2]) break;
		ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
	}
	if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");

	*ptr = '\0';
	data->readlen = strlen( data->rbuffer );
	return 0;
}

static int proc_BSSList_open( struct inode *inode, struct file *file ) {
	struct proc_data *data;
	struct proc_dir_entry *dp = PDE(inode);
	struct net_device *dev = dp->data;
	struct airo_info *ai = dev->ml_priv;
	char *ptr;
	BSSListRid BSSList_rid;
	int rc;
	/* If doLoseSync is not 1, we won't do a Lose Sync */
	int doLoseSync = -1;

	if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
		return -ENOMEM;
	data = file->private_data;
	if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
		kfree (file->private_data);
		return -ENOMEM;
	}
	data->writelen = 0;
	data->maxwritelen = 0;
	data->wbuffer = NULL;
	data->on_close = NULL;

	if (file->f_mode & FMODE_WRITE) {
		if (!(file->f_mode & FMODE_READ)) {
			Cmd cmd;
			Resp rsp;

			if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
			memset(&cmd, 0, sizeof(cmd));
			cmd.cmd=CMD_LISTBSS;
			if (down_interruptible(&ai->sem))
				return -ERESTARTSYS;
			issuecommand(ai, &cmd, &rsp);
			up(&ai->sem);
			data->readlen = 0;
			return 0;
		}
		doLoseSync = 1;
	}
	ptr = data->rbuffer;
	/* There is a race condition here if there are concurrent opens.
           Since it is a rare condition, we'll just live with it, otherwise
           we have to add a spin lock... */
	rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
	while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
		ptr += sprintf(ptr, "%pM %*s rssi = %d",
			       BSSList_rid.bssid,
				(int)BSSList_rid.ssidLen,
				BSSList_rid.ssid,
				le16_to_cpu(BSSList_rid.dBm));
		ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
				le16_to_cpu(BSSList_rid.dsChannel),
				BSSList_rid.cap & CAP_ESS ? "ESS" : "",
				BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
				BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
				BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
		rc = readBSSListRid(ai, 0, &BSSList_rid);
	}
	*ptr = '\0';
	data->readlen = strlen( data->rbuffer );
	return 0;
}

static int proc_close( struct inode *inode, struct file *file )
{
	struct proc_data *data = file->private_data;

	if (data->on_close != NULL)
		data->on_close(inode, file);
	kfree(data->rbuffer);
	kfree(data->wbuffer);
	kfree(data);
	return 0;
}

/* Since the card doesn't automatically switch to the right WEP mode,
   we will make it do it.  If the card isn't associated, every secs we
   will switch WEP modes to see if that will help.  If the card is
   associated we will check every minute to see if anything has
   changed. */
static void timer_func( struct net_device *dev ) {
	struct airo_info *apriv = dev->ml_priv;

/* We don't have a link so try changing the authtype */
	readConfigRid(apriv, 0);
	disable_MAC(apriv, 0);
	switch(apriv->config.authType) {
		case AUTH_ENCRYPT:
/* So drop to OPEN */
			apriv->config.authType = AUTH_OPEN;
			break;
		case AUTH_SHAREDKEY:
			if (apriv->keyindex < auto_wep) {
				set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
				apriv->config.authType = AUTH_SHAREDKEY;
				apriv->keyindex++;
			} else {
			        /* Drop to ENCRYPT */
				apriv->keyindex = 0;
				set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
				apriv->config.authType = AUTH_ENCRYPT;
			}
			break;
		default:  /* We'll escalate to SHAREDKEY */
			apriv->config.authType = AUTH_SHAREDKEY;
	}
	set_bit (FLAG_COMMIT, &apriv->flags);
	writeConfigRid(apriv, 0);
	enable_MAC(apriv, 0);
	up(&apriv->sem);

/* Schedule check to see if the change worked */
	clear_bit(JOB_AUTOWEP, &apriv->jobs);
	apriv->expires = RUN_AT(HZ*3);
}

#ifdef CONFIG_PCI
static int __devinit airo_pci_probe(struct pci_dev *pdev,
				    const struct pci_device_id *pent)
{
	struct net_device *dev;

	if (pci_enable_device(pdev))
		return -ENODEV;
	pci_set_master(pdev);

	if (pdev->device == 0x5000 || pdev->device == 0xa504)
			dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
	else
			dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
	if (!dev) {
		pci_disable_device(pdev);
		return -ENODEV;
	}

	pci_set_drvdata(pdev, dev);
	return 0;
}

static void __devexit airo_pci_remove(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);

	airo_print_info(dev->name, "Unregistering...");
	stop_airo_card(dev, 1);
	pci_disable_device(pdev);
	pci_set_drvdata(pdev, NULL);
}

static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
{
	struct net_device *dev = pci_get_drvdata(pdev);
	struct airo_info *ai = dev->ml_priv;
	Cmd cmd;
	Resp rsp;

	if (!ai->APList)
		ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
	if (!ai->APList)
		return -ENOMEM;
	if (!ai->SSID)
		ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
	if (!ai->SSID)
		return -ENOMEM;
	readAPListRid(ai, ai->APList);
	readSsidRid(ai, ai->SSID);
	memset(&cmd, 0, sizeof(cmd));
	/* the lock will be released at the end of the resume callback */
	if (down_interruptible(&ai->sem))
		return -EAGAIN;
	disable_MAC(ai, 0);
	netif_device_detach(dev);
	ai->power = state;
	cmd.cmd = HOSTSLEEP;
	issuecommand(ai, &cmd, &rsp);

	pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
	pci_save_state(pdev);
	pci_set_power_state(pdev, pci_choose_state(pdev, state));
	return 0;
}

static int airo_pci_resume(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
	struct airo_info *ai = dev->ml_priv;
	pci_power_t prev_state = pdev->current_state;

	pci_set_power_state(pdev, PCI_D0);
	pci_restore_state(pdev);
	pci_enable_wake(pdev, PCI_D0, 0);

	if (prev_state != PCI_D1) {
		reset_card(dev, 0);
		mpi_init_descriptors(ai);
		setup_card(ai, dev->dev_addr, 0);
		clear_bit(FLAG_RADIO_OFF, &ai->flags);
		clear_bit(FLAG_PENDING_XMIT, &ai->flags);
	} else {
		OUT4500(ai, EVACK, EV_AWAKEN);
		OUT4500(ai, EVACK, EV_AWAKEN);
		msleep(100);
	}

	set_bit(FLAG_COMMIT, &ai->flags);
	disable_MAC(ai, 0);
        msleep(200);
	if (ai->SSID) {
		writeSsidRid(ai, ai->SSID, 0);
		kfree(ai->SSID);
		ai->SSID = NULL;
	}
	if (ai->APList) {
		writeAPListRid(ai, ai->APList, 0);
		kfree(ai->APList);
		ai->APList = NULL;
	}
	writeConfigRid(ai, 0);
	enable_MAC(ai, 0);
	ai->power = PMSG_ON;
	netif_device_attach(dev);
	netif_wake_queue(dev);
	enable_interrupts(ai);
	up(&ai->sem);
	return 0;
}
#endif

static int __init airo_init_module( void )
{
	int i;

	airo_entry = proc_mkdir_mode("driver/aironet", airo_perm, NULL);

	if (airo_entry) {
		airo_entry->uid = proc_uid;
		airo_entry->gid = proc_gid;
	}

	for (i = 0; i < 4 && io[i] && irq[i]; i++) {
		airo_print_info("", "Trying to configure ISA adapter at irq=%d "
			"io=0x%x", irq[i], io[i] );
		if (init_airo_card( irq[i], io[i], 0, NULL ))
			/* do nothing */ ;
	}

#ifdef CONFIG_PCI
	airo_print_info("", "Probing for PCI adapters");
	i = pci_register_driver(&airo_driver);
	airo_print_info("", "Finished probing for PCI adapters");

	if (i) {
		remove_proc_entry("driver/aironet", NULL);
		return i;
	}
#endif

	/* Always exit with success, as we are a library module
	 * as well as a driver module
	 */
	return 0;
}

static void __exit airo_cleanup_module( void )
{
	struct airo_info *ai;
	while(!list_empty(&airo_devices)) {
		ai = list_entry(airo_devices.next, struct airo_info, dev_list);
		airo_print_info(ai->dev->name, "Unregistering...");
		stop_airo_card(ai->dev, 1);
	}
#ifdef CONFIG_PCI
	pci_unregister_driver(&airo_driver);
#endif
	remove_proc_entry("driver/aironet", NULL);
}

/*
 * Initial Wireless Extension code for Aironet driver by :
 *	Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
 * Conversion to new driver API by :
 *	Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
 * Javier also did a good amount of work here, adding some new extensions
 * and fixing my code. Let's just say that without him this code just
 * would not work at all... - Jean II
 */

static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
{
	if (!rssi_rid)
		return 0;

	return (0x100 - rssi_rid[rssi].rssidBm);
}

static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
{
	int i;

	if (!rssi_rid)
		return 0;

	for (i = 0; i < 256; i++)
		if (rssi_rid[i].rssidBm == dbm)
			return rssi_rid[i].rssipct;

	return 0;
}


static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
{
	int quality = 0;
	u16 sq;

	if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
		return 0;

	if (!(cap_rid->hardCap & cpu_to_le16(8)))
		return 0;

	sq = le16_to_cpu(status_rid->signalQuality);
	if (memcmp(cap_rid->prodName, "350", 3))
		if (sq > 0x20)
			quality = 0;
		else
			quality = 0x20 - sq;
	else
		if (sq > 0xb0)
			quality = 0;
		else if (sq < 0x10)
			quality = 0xa0;
		else
			quality = 0xb0 - sq;
	return quality;
}

#define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
#define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : get protocol name
 */
static int airo_get_name(struct net_device *dev,
			 struct iw_request_info *info,
			 char *cwrq,
			 char *extra)
{
	strcpy(cwrq, "IEEE 802.11-DS");
	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : set frequency
 */
static int airo_set_freq(struct net_device *dev,
			 struct iw_request_info *info,
			 struct iw_freq *fwrq,
			 char *extra)
{
	struct airo_info *local = dev->ml_priv;
	int rc = -EINPROGRESS;		/* Call commit handler */

	/* If setting by frequency, convert to a channel */
	if(fwrq->e == 1) {
		int f = fwrq->m / 100000;

		/* Hack to fall through... */
		fwrq->e = 0;
		fwrq->m = ieee80211_freq_to_dsss_chan(f);
	}
	/* Setting by channel number */
	if((fwrq->m > 1000) || (fwrq->e > 0))
		rc = -EOPNOTSUPP;
	else {
		int channel = fwrq->m;
		/* We should do a better check than that,
		 * based on the card capability !!! */
		if((channel < 1) || (channel > 14)) {
			airo_print_dbg(dev->name, "New channel value of %d is invalid!",
				fwrq->m);
			rc = -EINVAL;
		} else {
			readConfigRid(local, 1);
			/* Yes ! We can set it !!! */
			local->config.channelSet = cpu_to_le16(channel);
			set_bit (FLAG_COMMIT, &local->flags);
		}
	}
	return rc;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : get frequency
 */
static int airo_get_freq(struct net_device *dev,
			 struct iw_request_info *info,
			 struct iw_freq *fwrq,
			 char *extra)
{
	struct airo_info *local = dev->ml_priv;
	StatusRid status_rid;		/* Card status info */
	int ch;

	readConfigRid(local, 1);
	if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
		status_rid.channel = local->config.channelSet;
	else
		readStatusRid(local, &status_rid, 1);

	ch = le16_to_cpu(status_rid.channel);
	if((ch > 0) && (ch < 15)) {
		fwrq->m = ieee80211_dsss_chan_to_freq(ch) * 100000;
		fwrq->e = 1;
	} else {
		fwrq->m = ch;
		fwrq->e = 0;
	}

	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : set ESSID
 */
static int airo_set_essid(struct net_device *dev,
			  struct iw_request_info *info,
			  struct iw_point *dwrq,
			  char *extra)
{
	struct airo_info *local = dev->ml_priv;
	SsidRid SSID_rid;		/* SSIDs */

	/* Reload the list of current SSID */
	readSsidRid(local, &SSID_rid);

	/* Check if we asked for `any' */
	if (dwrq->flags == 0) {
		/* Just send an empty SSID list */
		memset(&SSID_rid, 0, sizeof(SSID_rid));
	} else {
		unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1;

		/* Check the size of the string */
		if (dwrq->length > IW_ESSID_MAX_SIZE)
			return -E2BIG ;

		/* Check if index is valid */
		if (index >= ARRAY_SIZE(SSID_rid.ssids))
			return -EINVAL;

		/* Set the SSID */
		memset(SSID_rid.ssids[index].ssid, 0,
		       sizeof(SSID_rid.ssids[index].ssid));
		memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
		SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
	}
	SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
	/* Write it to the card */
	disable_MAC(local, 1);
	writeSsidRid(local, &SSID_rid, 1);
	enable_MAC(local, 1);

	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : get ESSID
 */
static int airo_get_essid(struct net_device *dev,
			  struct iw_request_info *info,
			  struct iw_point *dwrq,
			  char *extra)
{
	struct airo_info *local = dev->ml_priv;
	StatusRid status_rid;		/* Card status info */

	readStatusRid(local, &status_rid, 1);

	/* Note : if dwrq->flags != 0, we should
	 * get the relevant SSID from the SSID list... */

	/* Get the current SSID */
	memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
	/* If none, we may want to get the one that was set */

	/* Push it out ! */
	dwrq->length = le16_to_cpu(status_rid.SSIDlen);
	dwrq->flags = 1; /* active */

	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : set AP address
 */
static int airo_set_wap(struct net_device *dev,
			struct iw_request_info *info,
			struct sockaddr *awrq,
			char *extra)
{
	struct airo_info *local = dev->ml_priv;
	Cmd cmd;
	Resp rsp;
	APListRid APList_rid;
	static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
	static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };

	if (awrq->sa_family != ARPHRD_ETHER)
		return -EINVAL;
	else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
	         !memcmp(off, awrq->sa_data, ETH_ALEN)) {
		memset(&cmd, 0, sizeof(cmd));
		cmd.cmd=CMD_LOSE_SYNC;
		if (down_interruptible(&local->sem))
			return -ERESTARTSYS;
		issuecommand(local, &cmd, &rsp);
		up(&local->sem);
	} else {
		memset(&APList_rid, 0, sizeof(APList_rid));
		APList_rid.len = cpu_to_le16(sizeof(APList_rid));
		memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
		disable_MAC(local, 1);
		writeAPListRid(local, &APList_rid, 1);
		enable_MAC(local, 1);
	}
	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : get AP address
 */
static int airo_get_wap(struct net_device *dev,
			struct iw_request_info *info,
			struct sockaddr *awrq,
			char *extra)
{
	struct airo_info *local = dev->ml_priv;
	StatusRid status_rid;		/* Card status info */

	readStatusRid(local, &status_rid, 1);

	/* Tentative. This seems to work, wow, I'm lucky !!! */
	memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
	awrq->sa_family = ARPHRD_ETHER;

	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : set Nickname
 */
static int airo_set_nick(struct net_device *dev,
			 struct iw_request_info *info,
			 struct iw_point *dwrq,
			 char *extra)
{
	struct airo_info *local = dev->ml_priv;

	/* Check the size of the string */
	if(dwrq->length > 16) {
		return -E2BIG;
	}
	readConfigRid(local, 1);
	memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
	memcpy(local->config.nodeName, extra, dwrq->length);
	set_bit (FLAG_COMMIT, &local->flags);

	return -EINPROGRESS;		/* Call commit handler */
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : get Nickname
 */
static int airo_get_nick(struct net_device *dev,
			 struct iw_request_info *info,
			 struct iw_point *dwrq,
			 char *extra)
{
	struct airo_info *local = dev->ml_priv;

	readConfigRid(local, 1);
	strncpy(extra, local->config.nodeName, 16);
	extra[16] = '\0';
	dwrq->length = strlen(extra);

	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : set Bit-Rate
 */
static int airo_set_rate(struct net_device *dev,
			 struct iw_request_info *info,
			 struct iw_param *vwrq,
			 char *extra)
{
	struct airo_info *local = dev->ml_priv;
	CapabilityRid cap_rid;		/* Card capability info */
	u8	brate = 0;
	int	i;

	/* First : get a valid bit rate value */
	readCapabilityRid(local, &cap_rid, 1);

	/* Which type of value ? */
	if((vwrq->value < 8) && (vwrq->value >= 0)) {
		/* Setting by rate index */
		/* Find value in the magic rate table */
		brate = cap_rid.supportedRates[vwrq->value];
	} else {
		/* Setting by frequency value */
		u8	normvalue = (u8) (vwrq->value/500000);

		/* Check if rate is valid */
		for(i = 0 ; i < 8 ; i++) {
			if(normvalue == cap_rid.supportedRates[i]) {
				brate = normvalue;
				break;
			}
		}
	}
	/* -1 designed the max rate (mostly auto mode) */
	if(vwrq->value == -1) {
		/* Get the highest available rate */
		for(i = 0 ; i < 8 ; i++) {
			if(cap_rid.supportedRates[i] == 0)
				break;
		}
		if(i != 0)
			brate = cap_rid.supportedRates[i - 1];
	}
	/* Check that it is valid */
	if(brate == 0) {
		return -EINVAL;
	}

	readConfigRid(local, 1);
	/* Now, check if we want a fixed or auto value */
	if(vwrq->fixed == 0) {
		/* Fill all the rates up to this max rate */
		memset(local->config.rates, 0, 8);
		for(i = 0 ; i < 8 ; i++) {
			local->config.rates[i] = cap_rid.supportedRates[i];
			if(local->config.rates[i] == brate)
				break;
		}
	} else {
		/* Fixed mode */
		/* One rate, fixed */
		memset(local->config.rates, 0, 8);
		local->config.rates[0] = brate;
	}
	set_bit (FLAG_COMMIT, &local->flags);

	return -EINPROGRESS;		/* Call commit handler */
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : get Bit-Rate
 */
static int airo_get_rate(struct net_device *dev,
			 struct iw_request_info *info,
			 struct iw_param *vwrq,
			 char *extra)
{
	struct airo_info *local = dev->ml_priv;
	StatusRid status_rid;		/* Card status info */

	readStatusRid(local, &status_rid, 1);

	vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
	/* If more than one rate, set auto */
	readConfigRid(local, 1);
	vwrq->fixed = (local->config.rates[1] == 0);

	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : set RTS threshold
 */
static int airo_set_rts(struct net_device *dev,
			struct iw_request_info *info,
			struct iw_param *vwrq,
			char *extra)
{
	struct airo_info *local = dev->ml_priv;
	int rthr = vwrq->value;

	if(vwrq->disabled)
		rthr = AIRO_DEF_MTU;
	if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
		return -EINVAL;
	}
	readConfigRid(local, 1);
	local->config.rtsThres = cpu_to_le16(rthr);
	set_bit (FLAG_COMMIT, &local->flags);

	return -EINPROGRESS;		/* Call commit handler */
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : get RTS threshold
 */
static int airo_get_rts(struct net_device *dev,
			struct iw_request_info *info,
			struct iw_param *vwrq,
			char *extra)
{
	struct airo_info *local = dev->ml_priv;

	readConfigRid(local, 1);
	vwrq->value = le16_to_cpu(local->config.rtsThres);
	vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
	vwrq->fixed = 1;

	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : set Fragmentation threshold
 */
static int airo_set_frag(struct net_device *dev,
			 struct iw_request_info *info,
			 struct iw_param *vwrq,
			 char *extra)
{
	struct airo_info *local = dev->ml_priv;
	int fthr = vwrq->value;

	if(vwrq->disabled)
		fthr = AIRO_DEF_MTU;
	if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
		return -EINVAL;
	}
	fthr &= ~0x1;	/* Get an even value - is it really needed ??? */
	readConfigRid(local, 1);
	local->config.fragThresh = cpu_to_le16(fthr);
	set_bit (FLAG_COMMIT, &local->flags);

	return -EINPROGRESS;		/* Call commit handler */
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : get Fragmentation threshold
 */
static int airo_get_frag(struct net_device *dev,
			 struct iw_request_info *info,
			 struct iw_param *vwrq,
			 char *extra)
{
	struct airo_info *local = dev->ml_priv;

	readConfigRid(local, 1);
	vwrq->value = le16_to_cpu(local->config.fragThresh);
	vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
	vwrq->fixed = 1;

	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : set Mode of Operation
 */
static int airo_set_mode(struct net_device *dev,
			 struct iw_request_info *info,
			 __u32 *uwrq,
			 char *extra)
{
	struct airo_info *local = dev->ml_priv;
	int reset = 0;

	readConfigRid(local, 1);
	if (sniffing_mode(local))
		reset = 1;

	switch(*uwrq) {
		case IW_MODE_ADHOC:
			local->config.opmode &= ~MODE_CFG_MASK;
			local->config.opmode |= MODE_STA_IBSS;
			local->config.rmode &= ~RXMODE_FULL_MASK;
			local->config.scanMode = SCANMODE_ACTIVE;
			clear_bit (FLAG_802_11, &local->flags);
			break;
		case IW_MODE_INFRA:
			local->config.opmode &= ~MODE_CFG_MASK;
			local->config.opmode |= MODE_STA_ESS;
			local->config.rmode &= ~RXMODE_FULL_MASK;
			local->config.scanMode = SCANMODE_ACTIVE;
			clear_bit (FLAG_802_11, &local->flags);
			break;
		case IW_MODE_MASTER:
			local->config.opmode &= ~MODE_CFG_MASK;
			local->config.opmode |= MODE_AP;
			local->config.rmode &= ~RXMODE_FULL_MASK;
			local->config.scanMode = SCANMODE_ACTIVE;
			clear_bit (FLAG_802_11, &local->flags);
			break;
		case IW_MODE_REPEAT:
			local->config.opmode &= ~MODE_CFG_MASK;
			local->config.opmode |= MODE_AP_RPTR;
			local->config.rmode &= ~RXMODE_FULL_MASK;
			local->config.scanMode = SCANMODE_ACTIVE;
			clear_bit (FLAG_802_11, &local->flags);
			break;
		case IW_MODE_MONITOR:
			local->config.opmode &= ~MODE_CFG_MASK;
			local->config.opmode |= MODE_STA_ESS;
			local->config.rmode &= ~RXMODE_FULL_MASK;
			local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
			local->config.scanMode = SCANMODE_PASSIVE;
			set_bit (FLAG_802_11, &local->flags);
			break;
		default:
			return -EINVAL;
	}
	if (reset)
		set_bit (FLAG_RESET, &local->flags);
	set_bit (FLAG_COMMIT, &local->flags);

	return -EINPROGRESS;		/* Call commit handler */
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : get Mode of Operation
 */
static int airo_get_mode(struct net_device *dev,
			 struct iw_request_info *info,
			 __u32 *uwrq,
			 char *extra)
{
	struct airo_info *local = dev->ml_priv;

	readConfigRid(local, 1);
	/* If not managed, assume it's ad-hoc */
	switch (local->config.opmode & MODE_CFG_MASK) {
		case MODE_STA_ESS:
			*uwrq = IW_MODE_INFRA;
			break;
		case MODE_AP:
			*uwrq = IW_MODE_MASTER;
			break;
		case MODE_AP_RPTR:
			*uwrq = IW_MODE_REPEAT;
			break;
		default:
			*uwrq = IW_MODE_ADHOC;
	}

	return 0;
}

static inline int valid_index(struct airo_info *ai, int index)
{
	return (index >= 0) && (index <= ai->max_wep_idx);
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : set Encryption Key
 */
static int airo_set_encode(struct net_device *dev,
			   struct iw_request_info *info,
			   struct iw_point *dwrq,
			   char *extra)
{
	struct airo_info *local = dev->ml_priv;
	int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
	__le16 currentAuthType = local->config.authType;
	int rc = 0;

	if (!local->wep_capable)
		return -EOPNOTSUPP;

	readConfigRid(local, 1);

	/* Basic checking: do we have a key to set ?
	 * Note : with the new API, it's impossible to get a NULL pointer.
	 * Therefore, we need to check a key size == 0 instead.
	 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
	 * when no key is present (only change flags), but older versions
	 * don't do it. - Jean II */
	if (dwrq->length > 0) {
		wep_key_t key;
		int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
		int current_index;

		/* Check the size of the key */
		if (dwrq->length > MAX_KEY_SIZE) {
			return -EINVAL;
		}

		current_index = get_wep_tx_idx(local);
		if (current_index < 0)
			current_index = 0;

		/* Check the index (none -> use current) */
		if (!valid_index(local, index))
			index = current_index;

		/* Set the length */
		if (dwrq->length > MIN_KEY_SIZE)
			key.len = MAX_KEY_SIZE;
		else
			key.len = MIN_KEY_SIZE;
		/* Check if the key is not marked as invalid */
		if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
			/* Cleanup */
			memset(key.key, 0, MAX_KEY_SIZE);
			/* Copy the key in the driver */
			memcpy(key.key, extra, dwrq->length);
			/* Send the key to the card */
			rc = set_wep_key(local, index, key.key, key.len, perm, 1);
			if (rc < 0) {
				airo_print_err(local->dev->name, "failed to set"
				               " WEP key at index %d: %d.",
				               index, rc);
				return rc;
			}
		}
		/* WE specify that if a valid key is set, encryption
		 * should be enabled (user may turn it off later)
		 * This is also how "iwconfig ethX key on" works */
		if((index == current_index) && (key.len > 0) &&
		   (local->config.authType == AUTH_OPEN)) {
			local->config.authType = AUTH_ENCRYPT;
		}
	} else {
		/* Do we want to just set the transmit key index ? */
		int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
		if (valid_index(local, index)) {
			rc = set_wep_tx_idx(local, index, perm, 1);
			if (rc < 0) {
				airo_print_err(local->dev->name, "failed to set"
				               " WEP transmit index to %d: %d.",
				               index, rc);
				return rc;
			}
		} else {
			/* Don't complain if only change the mode */
			if (!(dwrq->flags & IW_ENCODE_MODE))
				return -EINVAL;
		}
	}
	/* Read the flags */
	if(dwrq->flags & IW_ENCODE_DISABLED)
		local->config.authType = AUTH_OPEN;	// disable encryption
	if(dwrq->flags & IW_ENCODE_RESTRICTED)
		local->config.authType = AUTH_SHAREDKEY;	// Only Both
	if(dwrq->flags & IW_ENCODE_OPEN)
		local->config.authType = AUTH_ENCRYPT;	// Only Wep
	/* Commit the changes to flags if needed */
	if (local->config.authType != currentAuthType)
		set_bit (FLAG_COMMIT, &local->flags);
	return -EINPROGRESS;		/* Call commit handler */
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : get Encryption Key
 */
static int airo_get_encode(struct net_device *dev,
			   struct iw_request_info *info,
			   struct iw_point *dwrq,
			   char *extra)
{
	struct airo_info *local = dev->ml_priv;
	int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
	int wep_key_len;
	u8 buf[16];

	if (!local->wep_capable)
		return -EOPNOTSUPP;

	readConfigRid(local, 1);

	/* Check encryption mode */
	switch(local->config.authType)	{
		case AUTH_ENCRYPT:
			dwrq->flags = IW_ENCODE_OPEN;
			break;
		case AUTH_SHAREDKEY:
			dwrq->flags = IW_ENCODE_RESTRICTED;
			break;
		default:
		case AUTH_OPEN:
			dwrq->flags = IW_ENCODE_DISABLED;
			break;
	}
	/* We can't return the key, so set the proper flag and return zero */
	dwrq->flags |= IW_ENCODE_NOKEY;
	memset(extra, 0, 16);

	/* Which key do we want ? -1 -> tx index */
	if (!valid_index(local, index)) {
		index = get_wep_tx_idx(local);
		if (index < 0)
			index = 0;
	}
	dwrq->flags |= index + 1;

	/* Copy the key to the user buffer */
	wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
	if (wep_key_len < 0) {
		dwrq->length = 0;
	} else {
		dwrq->length = wep_key_len;
		memcpy(extra, buf, dwrq->length);
	}

	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : set extended Encryption parameters
 */
static int airo_set_encodeext(struct net_device *dev,
			   struct iw_request_info *info,
			    union iwreq_data *wrqu,
			    char *extra)
{
	struct airo_info *local = dev->ml_priv;
	struct iw_point *encoding = &wrqu->encoding;
	struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
	int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
	__le16 currentAuthType = local->config.authType;
	int idx, key_len, alg = ext->alg, set_key = 1, rc;
	wep_key_t key;

	if (!local->wep_capable)
		return -EOPNOTSUPP;

	readConfigRid(local, 1);

	/* Determine and validate the key index */
	idx = encoding->flags & IW_ENCODE_INDEX;
	if (idx) {
		if (!valid_index(local, idx - 1))
			return -EINVAL;
		idx--;
	} else {
		idx = get_wep_tx_idx(local);
		if (idx < 0)
			idx = 0;
	}

	if (encoding->flags & IW_ENCODE_DISABLED)
		alg = IW_ENCODE_ALG_NONE;

	if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
		/* Only set transmit key index here, actual
		 * key is set below if needed.
		 */
		rc = set_wep_tx_idx(local, idx, perm, 1);
		if (rc < 0) {
			airo_print_err(local->dev->name, "failed to set "
			               "WEP transmit index to %d: %d.",
			               idx, rc);
			return rc;
		}
		set_key = ext->key_len > 0 ? 1 : 0;
	}

	if (set_key) {
		/* Set the requested key first */
		memset(key.key, 0, MAX_KEY_SIZE);
		switch (alg) {
		case IW_ENCODE_ALG_NONE:
			key.len = 0;
			break;
		case IW_ENCODE_ALG_WEP:
			if (ext->key_len > MIN_KEY_SIZE) {
				key.len = MAX_KEY_SIZE;
			} else if (ext->key_len > 0) {
				key.len = MIN_KEY_SIZE;
			} else {
				return -EINVAL;
			}
			key_len = min (ext->key_len, key.len);
			memcpy(key.key, ext->key, key_len);
			break;
		default:
			return -EINVAL;
		}
		if (key.len == 0) {
			rc = set_wep_tx_idx(local, idx, perm, 1);
			if (rc < 0) {
				airo_print_err(local->dev->name,
					       "failed to set WEP transmit index to %d: %d.",
					       idx, rc);
				return rc;
			}
		} else {
			rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
			if (rc < 0) {
				airo_print_err(local->dev->name,
					       "failed to set WEP key at index %d: %d.",
					       idx, rc);
				return rc;
			}
		}
	}

	/* Read the flags */
	if(encoding->flags & IW_ENCODE_DISABLED)
		local->config.authType = AUTH_OPEN;	// disable encryption
	if(encoding->flags & IW_ENCODE_RESTRICTED)
		local->config.authType = AUTH_SHAREDKEY;	// Only Both
	if(encoding->flags & IW_ENCODE_OPEN)
		local->config.authType = AUTH_ENCRYPT;	// Only Wep
	/* Commit the changes to flags if needed */
	if (local->config.authType != currentAuthType)
		set_bit (FLAG_COMMIT, &local->flags);

	return -EINPROGRESS;
}


/*------------------------------------------------------------------*/
/*
 * Wireless Handler : get extended Encryption parameters
 */
static int airo_get_encodeext(struct net_device *dev,
			    struct iw_request_info *info,
			    union iwreq_data *wrqu,
			    char *extra)
{
	struct airo_info *local = dev->ml_priv;
	struct iw_point *encoding = &wrqu->encoding;
	struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
	int idx, max_key_len, wep_key_len;
	u8 buf[16];

	if (!local->wep_capable)
		return -EOPNOTSUPP;

	readConfigRid(local, 1);

	max_key_len = encoding->length - sizeof(*ext);
	if (max_key_len < 0)
		return -EINVAL;

	idx = encoding->flags & IW_ENCODE_INDEX;
	if (idx) {
		if (!valid_index(local, idx - 1))
			return -EINVAL;
		idx--;
	} else {
		idx = get_wep_tx_idx(local);
		if (idx < 0)
			idx = 0;
	}

	encoding->flags = idx + 1;
	memset(ext, 0, sizeof(*ext));

	/* Check encryption mode */
	switch(local->config.authType) {
		case AUTH_ENCRYPT:
			encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
			break;
		case AUTH_SHAREDKEY:
			encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
			break;
		default:
		case AUTH_OPEN:
			encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
			break;
	}
	/* We can't return the key, so set the proper flag and return zero */
	encoding->flags |= IW_ENCODE_NOKEY;
	memset(extra, 0, 16);
	
	/* Copy the key to the user buffer */
	wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
	if (wep_key_len < 0) {
		ext->key_len = 0;
	} else {
		ext->key_len = wep_key_len;
		memcpy(extra, buf, ext->key_len);
	}

	return 0;
}


/*------------------------------------------------------------------*/
/*
 * Wireless Handler : set extended authentication parameters
 */
static int airo_set_auth(struct net_device *dev,
			       struct iw_request_info *info,
			       union iwreq_data *wrqu, char *extra)
{
	struct airo_info *local = dev->ml_priv;
	struct iw_param *param = &wrqu->param;
	__le16 currentAuthType = local->config.authType;

	switch (param->flags & IW_AUTH_INDEX) {
	case IW_AUTH_WPA_VERSION:
	case IW_AUTH_CIPHER_PAIRWISE:
	case IW_AUTH_CIPHER_GROUP:
	case IW_AUTH_KEY_MGMT:
	case IW_AUTH_RX_UNENCRYPTED_EAPOL:
	case IW_AUTH_PRIVACY_INVOKED:
		/*
		 * airo does not use these parameters
		 */
		break;

	case IW_AUTH_DROP_UNENCRYPTED:
		if (param->value) {
			/* Only change auth type if unencrypted */
			if (currentAuthType == AUTH_OPEN)
				local->config.authType = AUTH_ENCRYPT;
		} else {
			local->config.authType = AUTH_OPEN;
		}

		/* Commit the changes to flags if needed */
		if (local->config.authType != currentAuthType)
			set_bit (FLAG_COMMIT, &local->flags);
		break;

	case IW_AUTH_80211_AUTH_ALG: {
			/* FIXME: What about AUTH_OPEN?  This API seems to
			 * disallow setting our auth to AUTH_OPEN.
			 */
			if (param->value & IW_AUTH_ALG_SHARED_KEY) {
				local->config.authType = AUTH_SHAREDKEY;
			} else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
				local->config.authType = AUTH_ENCRYPT;
			} else
				return -EINVAL;

			/* Commit the changes to flags if needed */
			if (local->config.authType != currentAuthType)
				set_bit (FLAG_COMMIT, &local->flags);
			break;
		}

	case IW_AUTH_WPA_ENABLED:
		/* Silently accept disable of WPA */
		if (param->value > 0)
			return -EOPNOTSUPP;
		break;

	default:
		return -EOPNOTSUPP;
	}
	return -EINPROGRESS;
}


/*------------------------------------------------------------------*/
/*
 * Wireless Handler : get extended authentication parameters
 */
static int airo_get_auth(struct net_device *dev,
			       struct iw_request_info *info,
			       union iwreq_data *wrqu, char *extra)
{
	struct airo_info *local = dev->ml_priv;
	struct iw_param *param = &wrqu->param;
	__le16 currentAuthType = local->config.authType;

	switch (param->flags & IW_AUTH_INDEX) {
	case IW_AUTH_DROP_UNENCRYPTED:
		switch (currentAuthType) {
		case AUTH_SHAREDKEY:
		case AUTH_ENCRYPT:
			param->value = 1;
			break;
		default:
			param->value = 0;
			break;
		}
		break;

	case IW_AUTH_80211_AUTH_ALG:
		switch (currentAuthType) {
		case AUTH_SHAREDKEY:
			param->value = IW_AUTH_ALG_SHARED_KEY;
			break;
		case AUTH_ENCRYPT:
		default:
			param->value = IW_AUTH_ALG_OPEN_SYSTEM;
			break;
		}
		break;

	case IW_AUTH_WPA_ENABLED:
		param->value = 0;
		break;

	default:
		return -EOPNOTSUPP;
	}
	return 0;
}


/*------------------------------------------------------------------*/
/*
 * Wireless Handler : set Tx-Power
 */
static int airo_set_txpow(struct net_device *dev,
			  struct iw_request_info *info,
			  struct iw_param *vwrq,
			  char *extra)
{
	struct airo_info *local = dev->ml_priv;
	CapabilityRid cap_rid;		/* Card capability info */
	int i;
	int rc = -EINVAL;
	__le16 v = cpu_to_le16(vwrq->value);

	readCapabilityRid(local, &cap_rid, 1);

	if (vwrq->disabled) {
		set_bit (FLAG_RADIO_OFF, &local->flags);
		set_bit (FLAG_COMMIT, &local->flags);
		return -EINPROGRESS;		/* Call commit handler */
	}
	if (vwrq->flags != IW_TXPOW_MWATT) {
		return -EINVAL;
	}
	clear_bit (FLAG_RADIO_OFF, &local->flags);
	for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++)
		if (v == cap_rid.txPowerLevels[i]) {
			readConfigRid(local, 1);
			local->config.txPower = v;
			set_bit (FLAG_COMMIT, &local->flags);
			rc = -EINPROGRESS;	/* Call commit handler */
			break;
		}
	return rc;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : get Tx-Power
 */
static int airo_get_txpow(struct net_device *dev,
			  struct iw_request_info *info,
			  struct iw_param *vwrq,
			  char *extra)
{
	struct airo_info *local = dev->ml_priv;

	readConfigRid(local, 1);
	vwrq->value = le16_to_cpu(local->config.txPower);
	vwrq->fixed = 1;	/* No power control */
	vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
	vwrq->flags = IW_TXPOW_MWATT;

	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : set Retry limits
 */
static int airo_set_retry(struct net_device *dev,
			  struct iw_request_info *info,
			  struct iw_param *vwrq,
			  char *extra)
{
	struct airo_info *local = dev->ml_priv;
	int rc = -EINVAL;

	if(vwrq->disabled) {
		return -EINVAL;
	}
	readConfigRid(local, 1);
	if(vwrq->flags & IW_RETRY_LIMIT) {
		__le16 v = cpu_to_le16(vwrq->value);
		if(vwrq->flags & IW_RETRY_LONG)
			local->config.longRetryLimit = v;
		else if (vwrq->flags & IW_RETRY_SHORT)
			local->config.shortRetryLimit = v;
		else {
			/* No modifier : set both */
			local->config.longRetryLimit = v;
			local->config.shortRetryLimit = v;
		}
		set_bit (FLAG_COMMIT, &local->flags);
		rc = -EINPROGRESS;		/* Call commit handler */
	}
	if(vwrq->flags & IW_RETRY_LIFETIME) {
		local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
		set_bit (FLAG_COMMIT, &local->flags);
		rc = -EINPROGRESS;		/* Call commit handler */
	}
	return rc;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : get Retry limits
 */
static int airo_get_retry(struct net_device *dev,
			  struct iw_request_info *info,
			  struct iw_param *vwrq,
			  char *extra)
{
	struct airo_info *local = dev->ml_priv;

	vwrq->disabled = 0;      /* Can't be disabled */

	readConfigRid(local, 1);
	/* Note : by default, display the min retry number */
	if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
		vwrq->flags = IW_RETRY_LIFETIME;
		vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
	} else if((vwrq->flags & IW_RETRY_LONG)) {
		vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
		vwrq->value = le16_to_cpu(local->config.longRetryLimit);
	} else {
		vwrq->flags = IW_RETRY_LIMIT;
		vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
		if(local->config.shortRetryLimit != local->config.longRetryLimit)
			vwrq->flags |= IW_RETRY_SHORT;
	}

	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : get range info
 */
static int airo_get_range(struct net_device *dev,
			  struct iw_request_info *info,
			  struct iw_point *dwrq,
			  char *extra)
{
	struct airo_info *local = dev->ml_priv;
	struct iw_range *range = (struct iw_range *) extra;
	CapabilityRid cap_rid;		/* Card capability info */
	int		i;
	int		k;

	readCapabilityRid(local, &cap_rid, 1);

	dwrq->length = sizeof(struct iw_range);
	memset(range, 0, sizeof(*range));
	range->min_nwid = 0x0000;
	range->max_nwid = 0x0000;
	range->num_channels = 14;
	/* Should be based on cap_rid.country to give only
	 * what the current card support */
	k = 0;
	for(i = 0; i < 14; i++) {
		range->freq[k].i = i + 1; /* List index */
		range->freq[k].m = ieee80211_dsss_chan_to_freq(i + 1) * 100000;
		range->freq[k++].e = 1;	/* Values in MHz -> * 10^5 * 10 */
	}
	range->num_frequency = k;

	range->sensitivity = 65535;

	/* Hum... Should put the right values there */
	if (local->rssi)
		range->max_qual.qual = 100;	/* % */
	else
		range->max_qual.qual = airo_get_max_quality(&cap_rid);
	range->max_qual.level = 0x100 - 120;	/* -120 dBm */
	range->max_qual.noise = 0x100 - 120;	/* -120 dBm */

	/* Experimental measurements - boundary 11/5.5 Mb/s */
	/* Note : with or without the (local->rssi), results
	 * are somewhat different. - Jean II */
	if (local->rssi) {
		range->avg_qual.qual = 50;		/* % */
		range->avg_qual.level = 0x100 - 70;	/* -70 dBm */
	} else {
		range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
		range->avg_qual.level = 0x100 - 80;	/* -80 dBm */
	}
	range->avg_qual.noise = 0x100 - 85;		/* -85 dBm */

	for(i = 0 ; i < 8 ; i++) {
		range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
		if(range->bitrate[i] == 0)
			break;
	}
	range->num_bitrates = i;

	/* Set an indication of the max TCP throughput
	 * in bit/s that we can expect using this interface.
	 * May be use for QoS stuff... Jean II */
	if(i > 2)
		range->throughput = 5000 * 1000;
	else
		range->throughput = 1500 * 1000;

	range->min_rts = 0;
	range->max_rts = AIRO_DEF_MTU;
	range->min_frag = 256;
	range->max_frag = AIRO_DEF_MTU;

	if(cap_rid.softCap & cpu_to_le16(2)) {
		// WEP: RC4 40 bits
		range->encoding_size[0] = 5;
		// RC4 ~128 bits
		if (cap_rid.softCap & cpu_to_le16(0x100)) {
			range->encoding_size[1] = 13;
			range->num_encoding_sizes = 2;
		} else
			range->num_encoding_sizes = 1;
		range->max_encoding_tokens =
			cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
	} else {
		range->num_encoding_sizes = 0;
		range->max_encoding_tokens = 0;
	}
	range->min_pmp = 0;
	range->max_pmp = 5000000;	/* 5 secs */
	range->min_pmt = 0;
	range->max_pmt = 65535 * 1024;	/* ??? */
	range->pmp_flags = IW_POWER_PERIOD;
	range->pmt_flags = IW_POWER_TIMEOUT;
	range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;

	/* Transmit Power - values are in mW */
	for(i = 0 ; i < 8 ; i++) {
		range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
		if(range->txpower[i] == 0)
			break;
	}
	range->num_txpower = i;
	range->txpower_capa = IW_TXPOW_MWATT;
	range->we_version_source = 19;
	range->we_version_compiled = WIRELESS_EXT;
	range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
	range->retry_flags = IW_RETRY_LIMIT;
	range->r_time_flags = IW_RETRY_LIFETIME;
	range->min_retry = 1;
	range->max_retry = 65535;
	range->min_r_time = 1024;
	range->max_r_time = 65535 * 1024;

	/* Event capability (kernel + driver) */
	range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
				IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
				IW_EVENT_CAPA_MASK(SIOCGIWAP) |
				IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
	range->event_capa[1] = IW_EVENT_CAPA_K_1;
	range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : set Power Management
 */
static int airo_set_power(struct net_device *dev,
			  struct iw_request_info *info,
			  struct iw_param *vwrq,
			  char *extra)
{
	struct airo_info *local = dev->ml_priv;

	readConfigRid(local, 1);
	if (vwrq->disabled) {
		if (sniffing_mode(local))
			return -EINVAL;
		local->config.powerSaveMode = POWERSAVE_CAM;
		local->config.rmode &= ~RXMODE_MASK;
		local->config.rmode |= RXMODE_BC_MC_ADDR;
		set_bit (FLAG_COMMIT, &local->flags);
		return -EINPROGRESS;		/* Call commit handler */
	}
	if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
		local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
		local->config.powerSaveMode = POWERSAVE_PSPCAM;
		set_bit (FLAG_COMMIT, &local->flags);
	} else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
		local->config.fastListenInterval =
		local->config.listenInterval =
			cpu_to_le16((vwrq->value + 500) / 1024);
		local->config.powerSaveMode = POWERSAVE_PSPCAM;
		set_bit (FLAG_COMMIT, &local->flags);
	}
	switch (vwrq->flags & IW_POWER_MODE) {
		case IW_POWER_UNICAST_R:
			if (sniffing_mode(local))
				return -EINVAL;
			local->config.rmode &= ~RXMODE_MASK;
			local->config.rmode |= RXMODE_ADDR;
			set_bit (FLAG_COMMIT, &local->flags);
			break;
		case IW_POWER_ALL_R:
			if (sniffing_mode(local))
				return -EINVAL;
			local->config.rmode &= ~RXMODE_MASK;
			local->config.rmode |= RXMODE_BC_MC_ADDR;
			set_bit (FLAG_COMMIT, &local->flags);
		case IW_POWER_ON:
			/* This is broken, fixme ;-) */
			break;
		default:
			return -EINVAL;
	}
	// Note : we may want to factor local->need_commit here
	// Note2 : may also want to factor RXMODE_RFMON test
	return -EINPROGRESS;		/* Call commit handler */
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : get Power Management
 */
static int airo_get_power(struct net_device *dev,
			  struct iw_request_info *info,
			  struct iw_param *vwrq,
			  char *extra)
{
	struct airo_info *local = dev->ml_priv;
	__le16 mode;

	readConfigRid(local, 1);
	mode = local->config.powerSaveMode;
	if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
		return 0;
	if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
		vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
		vwrq->flags = IW_POWER_TIMEOUT;
	} else {
		vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
		vwrq->flags = IW_POWER_PERIOD;
	}
	if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
		vwrq->flags |= IW_POWER_UNICAST_R;
	else
		vwrq->flags |= IW_POWER_ALL_R;

	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : set Sensitivity
 */
static int airo_set_sens(struct net_device *dev,
			 struct iw_request_info *info,
			 struct iw_param *vwrq,
			 char *extra)
{
	struct airo_info *local = dev->ml_priv;

	readConfigRid(local, 1);
	local->config.rssiThreshold =
		cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
	set_bit (FLAG_COMMIT, &local->flags);

	return -EINPROGRESS;		/* Call commit handler */
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : get Sensitivity
 */
static int airo_get_sens(struct net_device *dev,
			 struct iw_request_info *info,
			 struct iw_param *vwrq,
			 char *extra)
{
	struct airo_info *local = dev->ml_priv;

	readConfigRid(local, 1);
	vwrq->value = le16_to_cpu(local->config.rssiThreshold);
	vwrq->disabled = (vwrq->value == 0);
	vwrq->fixed = 1;

	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : get AP List
 * Note : this is deprecated in favor of IWSCAN
 */
static int airo_get_aplist(struct net_device *dev,
			   struct iw_request_info *info,
			   struct iw_point *dwrq,
			   char *extra)
{
	struct airo_info *local = dev->ml_priv;
	struct sockaddr *address = (struct sockaddr *) extra;
	struct iw_quality *qual;
	BSSListRid BSSList;
	int i;
	int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;

	qual = kmalloc(IW_MAX_AP * sizeof(*qual), GFP_KERNEL);
	if (!qual)
		return -ENOMEM;

	for (i = 0; i < IW_MAX_AP; i++) {
		u16 dBm;
		if (readBSSListRid(local, loseSync, &BSSList))
			break;
		loseSync = 0;
		memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
		address[i].sa_family = ARPHRD_ETHER;
		dBm = le16_to_cpu(BSSList.dBm);
		if (local->rssi) {
			qual[i].level = 0x100 - dBm;
			qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
			qual[i].updated = IW_QUAL_QUAL_UPDATED
					| IW_QUAL_LEVEL_UPDATED
					| IW_QUAL_DBM;
		} else {
			qual[i].level = (dBm + 321) / 2;
			qual[i].qual = 0;
			qual[i].updated = IW_QUAL_QUAL_INVALID
					| IW_QUAL_LEVEL_UPDATED
					| IW_QUAL_DBM;
		}
		qual[i].noise = local->wstats.qual.noise;
		if (BSSList.index == cpu_to_le16(0xffff))
			break;
	}
	if (!i) {
		StatusRid status_rid;		/* Card status info */
		readStatusRid(local, &status_rid, 1);
		for (i = 0;
		     i < min(IW_MAX_AP, 4) &&
			     (status_rid.bssid[i][0]
			      & status_rid.bssid[i][1]
			      & status_rid.bssid[i][2]
			      & status_rid.bssid[i][3]
			      & status_rid.bssid[i][4]
			      & status_rid.bssid[i][5])!=0xff &&
			     (status_rid.bssid[i][0]
			      | status_rid.bssid[i][1]
			      | status_rid.bssid[i][2]
			      | status_rid.bssid[i][3]
			      | status_rid.bssid[i][4]
			      | status_rid.bssid[i][5]);
		     i++) {
			memcpy(address[i].sa_data,
			       status_rid.bssid[i], ETH_ALEN);
			address[i].sa_family = ARPHRD_ETHER;
		}
	} else {
		dwrq->flags = 1; /* Should be define'd */
		memcpy(extra + sizeof(struct sockaddr)*i,
		       &qual,  sizeof(struct iw_quality)*i);
	}
	dwrq->length = i;

	kfree(qual);
	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : Initiate Scan
 */
static int airo_set_scan(struct net_device *dev,
			 struct iw_request_info *info,
			 struct iw_point *dwrq,
			 char *extra)
{
	struct airo_info *ai = dev->ml_priv;
	Cmd cmd;
	Resp rsp;
	int wake = 0;

	/* Note : you may have realised that, as this is a SET operation,
	 * this is privileged and therefore a normal user can't
	 * perform scanning.
	 * This is not an error, while the device perform scanning,
	 * traffic doesn't flow, so it's a perfect DoS...
	 * Jean II */
	if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;

	if (down_interruptible(&ai->sem))
		return -ERESTARTSYS;

	/* If there's already a scan in progress, don't
	 * trigger another one. */
	if (ai->scan_timeout > 0)
		goto out;

	/* Initiate a scan command */
	ai->scan_timeout = RUN_AT(3*HZ);
	memset(&cmd, 0, sizeof(cmd));
	cmd.cmd=CMD_LISTBSS;
	issuecommand(ai, &cmd, &rsp);
	wake = 1;

out:
	up(&ai->sem);
	if (wake)
		wake_up_interruptible(&ai->thr_wait);
	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Translate scan data returned from the card to a card independent
 * format that the Wireless Tools will understand - Jean II
 */
static inline char *airo_translate_scan(struct net_device *dev,
					struct iw_request_info *info,
					char *current_ev,
					char *end_buf,
					BSSListRid *bss)
{
	struct airo_info *ai = dev->ml_priv;
	struct iw_event		iwe;		/* Temporary buffer */
	__le16			capabilities;
	char *			current_val;	/* For rates */
	int			i;
	char *		buf;
	u16 dBm;

	/* First entry *MUST* be the AP MAC address */
	iwe.cmd = SIOCGIWAP;
	iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
	memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
	current_ev = iwe_stream_add_event(info, current_ev, end_buf,
					  &iwe, IW_EV_ADDR_LEN);

	/* Other entries will be displayed in the order we give them */

	/* Add the ESSID */
	iwe.u.data.length = bss->ssidLen;
	if(iwe.u.data.length > 32)
		iwe.u.data.length = 32;
	iwe.cmd = SIOCGIWESSID;
	iwe.u.data.flags = 1;
	current_ev = iwe_stream_add_point(info, current_ev, end_buf,
					  &iwe, bss->ssid);

	/* Add mode */
	iwe.cmd = SIOCGIWMODE;
	capabilities = bss->cap;
	if(capabilities & (CAP_ESS | CAP_IBSS)) {
		if(capabilities & CAP_ESS)
			iwe.u.mode = IW_MODE_MASTER;
		else
			iwe.u.mode = IW_MODE_ADHOC;
		current_ev = iwe_stream_add_event(info, current_ev, end_buf,
						  &iwe, IW_EV_UINT_LEN);
	}

	/* Add frequency */
	iwe.cmd = SIOCGIWFREQ;
	iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
	iwe.u.freq.m = ieee80211_dsss_chan_to_freq(iwe.u.freq.m) * 100000;
	iwe.u.freq.e = 1;
	current_ev = iwe_stream_add_event(info, current_ev, end_buf,
					  &iwe, IW_EV_FREQ_LEN);

	dBm = le16_to_cpu(bss->dBm);

	/* Add quality statistics */
	iwe.cmd = IWEVQUAL;
	if (ai->rssi) {
		iwe.u.qual.level = 0x100 - dBm;
		iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
		iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
				| IW_QUAL_LEVEL_UPDATED
				| IW_QUAL_DBM;
	} else {
		iwe.u.qual.level = (dBm + 321) / 2;
		iwe.u.qual.qual = 0;
		iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
				| IW_QUAL_LEVEL_UPDATED
				| IW_QUAL_DBM;
	}
	iwe.u.qual.noise = ai->wstats.qual.noise;
	current_ev = iwe_stream_add_event(info, current_ev, end_buf,
					  &iwe, IW_EV_QUAL_LEN);

	/* Add encryption capability */
	iwe.cmd = SIOCGIWENCODE;
	if(capabilities & CAP_PRIVACY)
		iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
	else
		iwe.u.data.flags = IW_ENCODE_DISABLED;
	iwe.u.data.length = 0;
	current_ev = iwe_stream_add_point(info, current_ev, end_buf,
					  &iwe, bss->ssid);

	/* Rate : stuffing multiple values in a single event require a bit
	 * more of magic - Jean II */
	current_val = current_ev + iwe_stream_lcp_len(info);

	iwe.cmd = SIOCGIWRATE;
	/* Those two flags are ignored... */
	iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
	/* Max 8 values */
	for(i = 0 ; i < 8 ; i++) {
		/* NULL terminated */
		if(bss->rates[i] == 0)
			break;
		/* Bit rate given in 500 kb/s units (+ 0x80) */
		iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
		/* Add new value to event */
		current_val = iwe_stream_add_value(info, current_ev,
						   current_val, end_buf,
						   &iwe, IW_EV_PARAM_LEN);
	}
	/* Check if we added any event */
	if ((current_val - current_ev) > iwe_stream_lcp_len(info))
		current_ev = current_val;

	/* Beacon interval */
	buf = kmalloc(30, GFP_KERNEL);
	if (buf) {
		iwe.cmd = IWEVCUSTOM;
		sprintf(buf, "bcn_int=%d", bss->beaconInterval);
		iwe.u.data.length = strlen(buf);
		current_ev = iwe_stream_add_point(info, current_ev, end_buf,
						  &iwe, buf);
		kfree(buf);
	}

	/* Put WPA/RSN Information Elements into the event stream */
	if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
		unsigned int num_null_ies = 0;
		u16 length = sizeof (bss->extra.iep);
		u8 *ie = (void *)&bss->extra.iep;

		while ((length >= 2) && (num_null_ies < 2)) {
			if (2 + ie[1] > length) {
				/* Invalid element, don't continue parsing IE */
				break;
			}

			switch (ie[0]) {
			case WLAN_EID_SSID:
				/* Two zero-length SSID elements
				 * mean we're done parsing elements */
				if (!ie[1])
					num_null_ies++;
				break;

			case WLAN_EID_GENERIC:
				if (ie[1] >= 4 &&
				    ie[2] == 0x00 &&
				    ie[3] == 0x50 &&
				    ie[4] == 0xf2 &&
				    ie[5] == 0x01) {
					iwe.cmd = IWEVGENIE;
					/* 64 is an arbitrary cut-off */
					iwe.u.data.length = min(ie[1] + 2,
								64);
					current_ev = iwe_stream_add_point(
							info, current_ev,
							end_buf, &iwe, ie);
				}
				break;

			case WLAN_EID_RSN:
				iwe.cmd = IWEVGENIE;
				/* 64 is an arbitrary cut-off */
				iwe.u.data.length = min(ie[1] + 2, 64);
				current_ev = iwe_stream_add_point(
					info, current_ev, end_buf,
					&iwe, ie);
				break;

			default:
				break;
			}

			length -= 2 + ie[1];
			ie += 2 + ie[1];
		}
	}
	return current_ev;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : Read Scan Results
 */
static int airo_get_scan(struct net_device *dev,
			 struct iw_request_info *info,
			 struct iw_point *dwrq,
			 char *extra)
{
	struct airo_info *ai = dev->ml_priv;
	BSSListElement *net;
	int err = 0;
	char *current_ev = extra;

	/* If a scan is in-progress, return -EAGAIN */
	if (ai->scan_timeout > 0)
		return -EAGAIN;

	if (down_interruptible(&ai->sem))
		return -EAGAIN;

	list_for_each_entry (net, &ai->network_list, list) {
		/* Translate to WE format this entry */
		current_ev = airo_translate_scan(dev, info, current_ev,
						 extra + dwrq->length,
						 &net->bss);

		/* Check if there is space for one more entry */
		if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
			/* Ask user space to try again with a bigger buffer */
			err = -E2BIG;
			goto out;
		}
	}

	/* Length of data */
	dwrq->length = (current_ev - extra);
	dwrq->flags = 0;	/* todo */

out:
	up(&ai->sem);
	return err;
}

/*------------------------------------------------------------------*/
/*
 * Commit handler : called after a bunch of SET operations
 */
static int airo_config_commit(struct net_device *dev,
			      struct iw_request_info *info,	/* NULL */
			      void *zwrq,			/* NULL */
			      char *extra)			/* NULL */
{
	struct airo_info *local = dev->ml_priv;

	if (!test_bit (FLAG_COMMIT, &local->flags))
		return 0;

	/* Some of the "SET" function may have modified some of the
	 * parameters. It's now time to commit them in the card */
	disable_MAC(local, 1);
	if (test_bit (FLAG_RESET, &local->flags)) {
		APListRid APList_rid;
		SsidRid SSID_rid;

		readAPListRid(local, &APList_rid);
		readSsidRid(local, &SSID_rid);
		if (test_bit(FLAG_MPI,&local->flags))
			setup_card(local, dev->dev_addr, 1 );
		else
			reset_airo_card(dev);
		disable_MAC(local, 1);
		writeSsidRid(local, &SSID_rid, 1);
		writeAPListRid(local, &APList_rid, 1);
	}
	if (down_interruptible(&local->sem))
		return -ERESTARTSYS;
	writeConfigRid(local, 0);
	enable_MAC(local, 0);
	if (test_bit (FLAG_RESET, &local->flags))
		airo_set_promisc(local);
	else
		up(&local->sem);

	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Structures to export the Wireless Handlers
 */

static const struct iw_priv_args airo_private_args[] = {
/*{ cmd,         set_args,                            get_args, name } */
  { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
    IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
  { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
    IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
};

static const iw_handler		airo_handler[] =
{
	(iw_handler) airo_config_commit,	/* SIOCSIWCOMMIT */
	(iw_handler) airo_get_name,		/* SIOCGIWNAME */
	(iw_handler) NULL,			/* SIOCSIWNWID */
	(iw_handler) NULL,			/* SIOCGIWNWID */
	(iw_handler) airo_set_freq,		/* SIOCSIWFREQ */
	(iw_handler) airo_get_freq,		/* SIOCGIWFREQ */
	(iw_handler) airo_set_mode,		/* SIOCSIWMODE */
	(iw_handler) airo_get_mode,		/* SIOCGIWMODE */
	(iw_handler) airo_set_sens,		/* SIOCSIWSENS */
	(iw_handler) airo_get_sens,		/* SIOCGIWSENS */
	(iw_handler) NULL,			/* SIOCSIWRANGE */
	(iw_handler) airo_get_range,		/* SIOCGIWRANGE */
	(iw_handler) NULL,			/* SIOCSIWPRIV */
	(iw_handler) NULL,			/* SIOCGIWPRIV */
	(iw_handler) NULL,			/* SIOCSIWSTATS */
	(iw_handler) NULL,			/* SIOCGIWSTATS */
	iw_handler_set_spy,			/* SIOCSIWSPY */
	iw_handler_get_spy,			/* SIOCGIWSPY */
	iw_handler_set_thrspy,			/* SIOCSIWTHRSPY */
	iw_handler_get_thrspy,			/* SIOCGIWTHRSPY */
	(iw_handler) airo_set_wap,		/* SIOCSIWAP */
	(iw_handler) airo_get_wap,		/* SIOCGIWAP */
	(iw_handler) NULL,			/* -- hole -- */
	(iw_handler) airo_get_aplist,		/* SIOCGIWAPLIST */
	(iw_handler) airo_set_scan,		/* SIOCSIWSCAN */
	(iw_handler) airo_get_scan,		/* SIOCGIWSCAN */
	(iw_handler) airo_set_essid,		/* SIOCSIWESSID */
	(iw_handler) airo_get_essid,		/* SIOCGIWESSID */
	(iw_handler) airo_set_nick,		/* SIOCSIWNICKN */
	(iw_handler) airo_get_nick,		/* SIOCGIWNICKN */
	(iw_handler) NULL,			/* -- hole -- */
	(iw_handler) NULL,			/* -- hole -- */
	(iw_handler) airo_set_rate,		/* SIOCSIWRATE */
	(iw_handler) airo_get_rate,		/* SIOCGIWRATE */
	(iw_handler) airo_set_rts,		/* SIOCSIWRTS */
	(iw_handler) airo_get_rts,		/* SIOCGIWRTS */
	(iw_handler) airo_set_frag,		/* SIOCSIWFRAG */
	(iw_handler) airo_get_frag,		/* SIOCGIWFRAG */
	(iw_handler) airo_set_txpow,		/* SIOCSIWTXPOW */
	(iw_handler) airo_get_txpow,		/* SIOCGIWTXPOW */
	(iw_handler) airo_set_retry,		/* SIOCSIWRETRY */
	(iw_handler) airo_get_retry,		/* SIOCGIWRETRY */
	(iw_handler) airo_set_encode,		/* SIOCSIWENCODE */
	(iw_handler) airo_get_encode,		/* SIOCGIWENCODE */
	(iw_handler) airo_set_power,		/* SIOCSIWPOWER */
	(iw_handler) airo_get_power,		/* SIOCGIWPOWER */
	(iw_handler) NULL,			/* -- hole -- */
	(iw_handler) NULL,			/* -- hole -- */
	(iw_handler) NULL,			/* SIOCSIWGENIE */
	(iw_handler) NULL,			/* SIOCGIWGENIE */
	(iw_handler) airo_set_auth,		/* SIOCSIWAUTH */
	(iw_handler) airo_get_auth,		/* SIOCGIWAUTH */
	(iw_handler) airo_set_encodeext,	/* SIOCSIWENCODEEXT */
	(iw_handler) airo_get_encodeext,	/* SIOCGIWENCODEEXT */
	(iw_handler) NULL,			/* SIOCSIWPMKSA */
};

/* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
 * We want to force the use of the ioctl code, because those can't be
 * won't work the iw_handler code (because they simultaneously read
 * and write data and iw_handler can't do that).
 * Note that it's perfectly legal to read/write on a single ioctl command,
 * you just can't use iwpriv and need to force it via the ioctl handler.
 * Jean II */
static const iw_handler		airo_private_handler[] =
{
	NULL,				/* SIOCIWFIRSTPRIV */
};

static const struct iw_handler_def	airo_handler_def =
{
	.num_standard	= ARRAY_SIZE(airo_handler),
	.num_private	= ARRAY_SIZE(airo_private_handler),
	.num_private_args = ARRAY_SIZE(airo_private_args),
	.standard	= airo_handler,
	.private	= airo_private_handler,
	.private_args	= airo_private_args,
	.get_wireless_stats = airo_get_wireless_stats,
};

/*
 * This defines the configuration part of the Wireless Extensions
 * Note : irq and spinlock protection will occur in the subroutines
 *
 * TODO :
 *	o Check input value more carefully and fill correct values in range
 *	o Test and shakeout the bugs (if any)
 *
 * Jean II
 *
 * Javier Achirica did a great job of merging code from the unnamed CISCO
 * developer that added support for flashing the card.
 */
static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
{
	int rc = 0;
	struct airo_info *ai = dev->ml_priv;

	if (ai->power.event)
		return 0;

	switch (cmd) {
#ifdef CISCO_EXT
	case AIROIDIFC:
#ifdef AIROOLDIDIFC
	case AIROOLDIDIFC:
#endif
	{
		int val = AIROMAGIC;
		aironet_ioctl com;
		if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
			rc = -EFAULT;
		else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
			rc = -EFAULT;
	}
	break;

	case AIROIOCTL:
#ifdef AIROOLDIOCTL
	case AIROOLDIOCTL:
#endif
		/* Get the command struct and hand it off for evaluation by
		 * the proper subfunction
		 */
	{
		aironet_ioctl com;
		if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
			rc = -EFAULT;
			break;
		}

		/* Separate R/W functions bracket legality here
		 */
		if ( com.command == AIRORSWVERSION ) {
			if (copy_to_user(com.data, swversion, sizeof(swversion)))
				rc = -EFAULT;
			else
				rc = 0;
		}
		else if ( com.command <= AIRORRID)
			rc = readrids(dev,&com);
		else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
			rc = writerids(dev,&com);
		else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
			rc = flashcard(dev,&com);
		else
			rc = -EINVAL;      /* Bad command in ioctl */
	}
	break;
#endif /* CISCO_EXT */

	// All other calls are currently unsupported
	default:
		rc = -EOPNOTSUPP;
	}
	return rc;
}

/*
 * Get the Wireless stats out of the driver
 * Note : irq and spinlock protection will occur in the subroutines
 *
 * TODO :
 *	o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
 *
 * Jean
 */
static void airo_read_wireless_stats(struct airo_info *local)
{
	StatusRid status_rid;
	StatsRid stats_rid;
	CapabilityRid cap_rid;
	__le32 *vals = stats_rid.vals;

	/* Get stats out of the card */
	clear_bit(JOB_WSTATS, &local->jobs);
	if (local->power.event) {
		up(&local->sem);
		return;
	}
	readCapabilityRid(local, &cap_rid, 0);
	readStatusRid(local, &status_rid, 0);
	readStatsRid(local, &stats_rid, RID_STATS, 0);
	up(&local->sem);

	/* The status */
	local->wstats.status = le16_to_cpu(status_rid.mode);

	/* Signal quality and co */
	if (local->rssi) {
		local->wstats.qual.level =
			airo_rssi_to_dbm(local->rssi,
					 le16_to_cpu(status_rid.sigQuality));
		/* normalizedSignalStrength appears to be a percentage */
		local->wstats.qual.qual =
			le16_to_cpu(status_rid.normalizedSignalStrength);
	} else {
		local->wstats.qual.level =
			(le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
		local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
	}
	if (le16_to_cpu(status_rid.len) >= 124) {
		local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
		local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
	} else {
		local->wstats.qual.noise = 0;
		local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
	}

	/* Packets discarded in the wireless adapter due to wireless
	 * specific problems */
	local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
				     le32_to_cpu(vals[57]) +
				     le32_to_cpu(vals[58]); /* SSID Mismatch */
	local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
	local->wstats.discard.fragment = le32_to_cpu(vals[30]);
	local->wstats.discard.retries = le32_to_cpu(vals[10]);
	local->wstats.discard.misc = le32_to_cpu(vals[1]) +
				     le32_to_cpu(vals[32]);
	local->wstats.miss.beacon = le32_to_cpu(vals[34]);
}

static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
{
	struct airo_info *local =  dev->ml_priv;

	if (!test_bit(JOB_WSTATS, &local->jobs)) {
		/* Get stats out of the card if available */
		if (down_trylock(&local->sem) != 0) {
			set_bit(JOB_WSTATS, &local->jobs);
			wake_up_interruptible(&local->thr_wait);
		} else
			airo_read_wireless_stats(local);
	}

	return &local->wstats;
}

#ifdef CISCO_EXT
/*
 * This just translates from driver IOCTL codes to the command codes to
 * feed to the radio's host interface. Things can be added/deleted
 * as needed.  This represents the READ side of control I/O to
 * the card
 */
static int readrids(struct net_device *dev, aironet_ioctl *comp) {
	unsigned short ridcode;
	unsigned char *iobuf;
	int len;
	struct airo_info *ai = dev->ml_priv;

	if (test_bit(FLAG_FLASHING, &ai->flags))
		return -EIO;

	switch(comp->command)
	{
	case AIROGCAP:      ridcode = RID_CAPABILITIES; break;
	case AIROGCFG:      ridcode = RID_CONFIG;
		if (test_bit(FLAG_COMMIT, &ai->flags)) {
			disable_MAC (ai, 1);
			writeConfigRid (ai, 1);
			enable_MAC(ai, 1);
		}
		break;
	case AIROGSLIST:    ridcode = RID_SSID;         break;
	case AIROGVLIST:    ridcode = RID_APLIST;       break;
	case AIROGDRVNAM:   ridcode = RID_DRVNAME;      break;
	case AIROGEHTENC:   ridcode = RID_ETHERENCAP;   break;
	case AIROGWEPKTMP:  ridcode = RID_WEP_TEMP;
		/* Only super-user can read WEP keys */
		if (!capable(CAP_NET_ADMIN))
			return -EPERM;
		break;
	case AIROGWEPKNV:   ridcode = RID_WEP_PERM;
		/* Only super-user can read WEP keys */
		if (!capable(CAP_NET_ADMIN))
			return -EPERM;
		break;
	case AIROGSTAT:     ridcode = RID_STATUS;       break;
	case AIROGSTATSD32: ridcode = RID_STATSDELTA;   break;
	case AIROGSTATSC32: ridcode = RID_STATS;        break;
	case AIROGMICSTATS:
		if (copy_to_user(comp->data, &ai->micstats,
				 min((int)comp->len,(int)sizeof(ai->micstats))))
			return -EFAULT;
		return 0;
	case AIRORRID:      ridcode = comp->ridnum;     break;
	default:
		return -EINVAL;
		break;
	}

	if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
		return -ENOMEM;

	PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
	/* get the count of bytes in the rid  docs say 1st 2 bytes is it.
	 * then return it to the user
	 * 9/22/2000 Honor user given length
	 */
	len = comp->len;

	if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
		kfree (iobuf);
		return -EFAULT;
	}
	kfree (iobuf);
	return 0;
}

/*
 * Danger Will Robinson write the rids here
 */

static int writerids(struct net_device *dev, aironet_ioctl *comp) {
	struct airo_info *ai = dev->ml_priv;
	int  ridcode;
        int  enabled;
	static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
	unsigned char *iobuf;

	/* Only super-user can write RIDs */
	if (!capable(CAP_NET_ADMIN))
		return -EPERM;

	if (test_bit(FLAG_FLASHING, &ai->flags))
		return -EIO;

	ridcode = 0;
	writer = do_writerid;

	switch(comp->command)
	{
	case AIROPSIDS:     ridcode = RID_SSID;         break;
	case AIROPCAP:      ridcode = RID_CAPABILITIES; break;
	case AIROPAPLIST:   ridcode = RID_APLIST;       break;
	case AIROPCFG: ai->config.len = 0;
			    clear_bit(FLAG_COMMIT, &ai->flags);
			    ridcode = RID_CONFIG;       break;
	case AIROPWEPKEYNV: ridcode = RID_WEP_PERM;     break;
	case AIROPLEAPUSR:  ridcode = RID_LEAPUSERNAME; break;
	case AIROPLEAPPWD:  ridcode = RID_LEAPPASSWORD; break;
	case AIROPWEPKEY:   ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
		break;
	case AIROPLEAPUSR+1: ridcode = 0xFF2A;          break;
	case AIROPLEAPUSR+2: ridcode = 0xFF2B;          break;

		/* this is not really a rid but a command given to the card
		 * same with MAC off
		 */
	case AIROPMACON:
		if (enable_MAC(ai, 1) != 0)
			return -EIO;
		return 0;

		/*
		 * Evidently this code in the airo driver does not get a symbol
		 * as disable_MAC. it's probably so short the compiler does not gen one.
		 */
	case AIROPMACOFF:
		disable_MAC(ai, 1);
		return 0;

		/* This command merely clears the counts does not actually store any data
		 * only reads rid. But as it changes the cards state, I put it in the
		 * writerid routines.
		 */
	case AIROPSTCLR:
		if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
			return -ENOMEM;

		PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);

		enabled = ai->micstats.enabled;
		memset(&ai->micstats,0,sizeof(ai->micstats));
		ai->micstats.enabled = enabled;

		if (copy_to_user(comp->data, iobuf,
				 min((int)comp->len, (int)RIDSIZE))) {
			kfree (iobuf);
			return -EFAULT;
		}
		kfree (iobuf);
		return 0;

	default:
		return -EOPNOTSUPP;	/* Blarg! */
	}
	if(comp->len > RIDSIZE)
		return -EINVAL;

	if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
		return -ENOMEM;

	if (copy_from_user(iobuf,comp->data,comp->len)) {
		kfree (iobuf);
		return -EFAULT;
	}

	if (comp->command == AIROPCFG) {
		ConfigRid *cfg = (ConfigRid *)iobuf;

		if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
			cfg->opmode |= MODE_MIC;

		if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
			set_bit (FLAG_ADHOC, &ai->flags);
		else
			clear_bit (FLAG_ADHOC, &ai->flags);
	}

	if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
		kfree (iobuf);
		return -EIO;
	}
	kfree (iobuf);
	return 0;
}

/*****************************************************************************
 * Ancillary flash / mod functions much black magic lurkes here              *
 *****************************************************************************
 */

/*
 * Flash command switch table
 */

static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
	int z;

	/* Only super-user can modify flash */
	if (!capable(CAP_NET_ADMIN))
		return -EPERM;

	switch(comp->command)
	{
	case AIROFLSHRST:
		return cmdreset((struct airo_info *)dev->ml_priv);

	case AIROFLSHSTFL:
		if (!AIRO_FLASH(dev) &&
		    (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
			return -ENOMEM;
		return setflashmode((struct airo_info *)dev->ml_priv);

	case AIROFLSHGCHR: /* Get char from aux */
		if(comp->len != sizeof(int))
			return -EINVAL;
		if (copy_from_user(&z,comp->data,comp->len))
			return -EFAULT;
		return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);

	case AIROFLSHPCHR: /* Send char to card. */
		if(comp->len != sizeof(int))
			return -EINVAL;
		if (copy_from_user(&z,comp->data,comp->len))
			return -EFAULT;
		return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);

	case AIROFLPUTBUF: /* Send 32k to card */
		if (!AIRO_FLASH(dev))
			return -ENOMEM;
		if(comp->len > FLASHSIZE)
			return -EINVAL;
		if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
			return -EFAULT;

		flashputbuf((struct airo_info *)dev->ml_priv);
		return 0;

	case AIRORESTART:
		if (flashrestart((struct airo_info *)dev->ml_priv, dev))
			return -EIO;
		return 0;
	}
	return -EINVAL;
}

#define FLASH_COMMAND  0x7e7e

/*
 * STEP 1)
 * Disable MAC and do soft reset on
 * card.
 */

static int cmdreset(struct airo_info *ai) {
	disable_MAC(ai, 1);

	if(!waitbusy (ai)){
		airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
		return -EBUSY;
	}

	OUT4500(ai,COMMAND,CMD_SOFTRESET);

	ssleep(1);			/* WAS 600 12/7/00 */

	if(!waitbusy (ai)){
		airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
		return -EBUSY;
	}
	return 0;
}

/* STEP 2)
 * Put the card in legendary flash
 * mode
 */

static int setflashmode (struct airo_info *ai) {
	set_bit (FLAG_FLASHING, &ai->flags);

	OUT4500(ai, SWS0, FLASH_COMMAND);
	OUT4500(ai, SWS1, FLASH_COMMAND);
	if (probe) {
		OUT4500(ai, SWS0, FLASH_COMMAND);
		OUT4500(ai, COMMAND,0x10);
	} else {
		OUT4500(ai, SWS2, FLASH_COMMAND);
		OUT4500(ai, SWS3, FLASH_COMMAND);
		OUT4500(ai, COMMAND,0);
	}
	msleep(500);		/* 500ms delay */

	if(!waitbusy(ai)) {
		clear_bit (FLAG_FLASHING, &ai->flags);
		airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
		return -EIO;
	}
	return 0;
}

/* Put character to SWS0 wait for dwelltime
 * x 50us for  echo .
 */

static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
	int echo;
	int waittime;

	byte |= 0x8000;

	if(dwelltime == 0 )
		dwelltime = 200;

	waittime=dwelltime;

	/* Wait for busy bit d15 to go false indicating buffer empty */
	while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
		udelay (50);
		waittime -= 50;
	}

	/* timeout for busy clear wait */
	if(waittime <= 0 ){
		airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
		return -EBUSY;
	}

	/* Port is clear now write byte and wait for it to echo back */
	do {
		OUT4500(ai,SWS0,byte);
		udelay(50);
		dwelltime -= 50;
		echo = IN4500(ai,SWS1);
	} while (dwelltime >= 0 && echo != byte);

	OUT4500(ai,SWS1,0);

	return (echo == byte) ? 0 : -EIO;
}

/*
 * Get a character from the card matching matchbyte
 * Step 3)
 */
static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
	int           rchar;
	unsigned char rbyte=0;

	do {
		rchar = IN4500(ai,SWS1);

		if(dwelltime && !(0x8000 & rchar)){
			dwelltime -= 10;
			mdelay(10);
			continue;
		}
		rbyte = 0xff & rchar;

		if( (rbyte == matchbyte) && (0x8000 & rchar) ){
			OUT4500(ai,SWS1,0);
			return 0;
		}
		if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
			break;
		OUT4500(ai,SWS1,0);

	}while(dwelltime > 0);
	return -EIO;
}

/*
 * Transfer 32k of firmware data from user buffer to our buffer and
 * send to the card
 */

static int flashputbuf(struct airo_info *ai){
	int            nwords;

	/* Write stuff */
	if (test_bit(FLAG_MPI,&ai->flags))
		memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
	else {
		OUT4500(ai,AUXPAGE,0x100);
		OUT4500(ai,AUXOFF,0);

		for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
			OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
		}
	}
	OUT4500(ai,SWS0,0x8000);

	return 0;
}

/*
 *
 */
static int flashrestart(struct airo_info *ai,struct net_device *dev){
	int    i,status;

	ssleep(1);			/* Added 12/7/00 */
	clear_bit (FLAG_FLASHING, &ai->flags);
	if (test_bit(FLAG_MPI, &ai->flags)) {
		status = mpi_init_descriptors(ai);
		if (status != SUCCESS)
			return status;
	}
	status = setup_card(ai, dev->dev_addr, 1);

	if (!test_bit(FLAG_MPI,&ai->flags))
		for( i = 0; i < MAX_FIDS; i++ ) {
			ai->fids[i] = transmit_allocate
				( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
		}

	ssleep(1);			/* Added 12/7/00 */
	return status;
}
#endif /* CISCO_EXT */

/*
    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, or (at your option) any later version.

    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.

    In addition:

    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions
    are met:

    1. Redistributions of source code must retain the above copyright
       notice, this list of conditions and the following disclaimer.
    2. Redistributions in binary form must reproduce the above copyright
       notice, this list of conditions and the following disclaimer in the
       documentation and/or other materials provided with the distribution.
    3. The name of the author may not be used to endorse or promote
       products derived from this software without specific prior written
       permission.

    THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
    IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
    INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
    SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
    STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
    IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
    POSSIBILITY OF SUCH DAMAGE.
*/

module_init(airo_init_module);
module_exit(airo_cleanup_module);