aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/ray_cs.c
blob: fc81ac67009d8924771f24d9a3c721bdaeb5df41 (plain) (blame)
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
/*=============================================================================
 *
 * A  PCMCIA client driver for the Raylink wireless LAN card.
 * The starting point for this module was the skeleton.c in the
 * PCMCIA 2.9.12 package written by David Hinds, dahinds@users.sourceforge.net
 *
 *
 * Copyright (c) 1998  Corey Thomas (corey@world.std.com)
 *
 * This driver is free software; you can redistribute it and/or modify
 * it under the terms of version 2 only of the GNU General Public License as 
 * published by the Free Software Foundation.
 *
 * It is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
 *
 * Changes:
 * Arnaldo Carvalho de Melo <acme@conectiva.com.br> - 08/08/2000
 * - reorganize kmallocs in ray_attach, checking all for failure
 *   and releasing the previous allocations if one fails
 *
 * Daniele Bellucci <bellucda@tiscali.it> - 07/10/2003
 * - Audit copy_to_user in ioctl(SIOCGIWESSID)
 * 
=============================================================================*/

#include <linux/config.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/proc_fs.h>
#include <linux/ptrace.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/if_arp.h>
#include <linux/ioport.h>
#include <linux/skbuff.h>
#include <linux/ethtool.h>

#include <pcmcia/cs_types.h>
#include <pcmcia/cs.h>
#include <pcmcia/cistpl.h>
#include <pcmcia/cisreg.h>
#include <pcmcia/ds.h>
#include <pcmcia/mem_op.h>

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

#include <asm/io.h>
#include <asm/system.h>
#include <asm/byteorder.h>
#include <asm/uaccess.h>

/* Warning : these stuff will slow down the driver... */
#define WIRELESS_SPY		/* Enable spying addresses */
/* Definitions we need for spy */
typedef struct iw_statistics	iw_stats;
typedef u_char	mac_addr[ETH_ALEN];	/* Hardware address */

#include "rayctl.h"
#include "ray_cs.h"

/* All the PCMCIA modules use PCMCIA_DEBUG to control debugging.  If
   you do not define PCMCIA_DEBUG at all, all the debug code will be
   left out.  If you compile with PCMCIA_DEBUG=0, the debug code will
   be present but disabled -- but it can then be enabled for specific
   modules at load time with a 'pc_debug=#' option to insmod.
*/

#ifdef RAYLINK_DEBUG
#define PCMCIA_DEBUG RAYLINK_DEBUG
#endif
#ifdef PCMCIA_DEBUG
static int ray_debug;
static int pc_debug = PCMCIA_DEBUG;
module_param(pc_debug, int, 0);
/* #define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args); */
#define DEBUG(n, args...) if (pc_debug>(n)) printk(args);
#else
#define DEBUG(n, args...)
#endif
/** Prototypes based on PCMCIA skeleton driver *******************************/
static void ray_config(dev_link_t *link);
static void ray_release(dev_link_t *link);
static void ray_detach(struct pcmcia_device *p_dev);

/***** Prototypes indicated by device structure ******************************/
static int ray_dev_close(struct net_device *dev);
static int ray_dev_config(struct net_device *dev, struct ifmap *map);
static struct net_device_stats *ray_get_stats(struct net_device *dev);
static int ray_dev_init(struct net_device *dev);

static struct ethtool_ops netdev_ethtool_ops;

static int ray_open(struct net_device *dev);
static int ray_dev_start_xmit(struct sk_buff *skb, struct net_device *dev);
static void set_multicast_list(struct net_device *dev);
static void ray_update_multi_list(struct net_device *dev, int all);
static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx,
                unsigned char *data, int len);
static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx, UCHAR msg_type,
                unsigned char *data);
static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len);
static iw_stats * ray_get_wireless_stats(struct net_device *	dev);
static const struct iw_handler_def	ray_handler_def;

/***** Prototypes for raylink functions **************************************/
static int asc_to_int(char a);
static void authenticate(ray_dev_t *local);
static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type);
static void authenticate_timeout(u_long);
static int get_free_ccs(ray_dev_t *local);
static int get_free_tx_ccs(ray_dev_t *local);
static void init_startup_params(ray_dev_t *local);
static int parse_addr(char *in_str, UCHAR *out);
static int ray_hw_xmit(unsigned char* data, int len, struct net_device* dev, UCHAR type);
static int ray_init(struct net_device *dev);
static int interrupt_ecf(ray_dev_t *local, int ccs);
static void ray_reset(struct net_device *dev);
static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value, int len);
static void verify_dl_startup(u_long);

/* Prototypes for interrpt time functions **********************************/
static irqreturn_t ray_interrupt (int reg, void *dev_id, struct pt_regs *regs);
static void clear_interrupt(ray_dev_t *local);
static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs, 
                       unsigned int pkt_addr, int rx_len);
static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr, int len);
static void ray_rx(struct net_device *dev, ray_dev_t *local, struct rcs __iomem *prcs);
static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs);
static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs,
                     unsigned int pkt_addr, int rx_len);
static void rx_data(struct net_device *dev, struct rcs __iomem *prcs, unsigned int pkt_addr, 
             int rx_len);
static void associate(ray_dev_t *local);

/* Card command functions */
static int dl_startup_params(struct net_device *dev);
static void join_net(u_long local);
static void start_net(u_long local);
/* void start_net(ray_dev_t *local); */

/*===========================================================================*/
/* Parameters that can be set with 'insmod' */

/* ADHOC=0, Infrastructure=1 */
static int net_type = ADHOC;

/* Hop dwell time in Kus (1024 us units defined by 802.11) */
static int hop_dwell = 128;

/* Beacon period in Kus */
static int beacon_period = 256;

/* power save mode (0 = off, 1 = save power) */
static int psm;

/* String for network's Extended Service Set ID. 32 Characters max */
static char *essid;

/* Default to encapsulation unless translation requested */
static int translate = 1;

static int country = USA;

static int sniffer;

static int bc;

/* 48 bit physical card address if overriding card's real physical
 * address is required.  Since IEEE 802.11 addresses are 48 bits
 * like ethernet, an int can't be used, so a string is used. To
 * allow use of addresses starting with a decimal digit, the first
 * character must be a letter and will be ignored. This letter is
 * followed by up to 12 hex digits which are the address.  If less
 * than 12 digits are used, the address will be left filled with 0's.
 * Note that bit 0 of the first byte is the broadcast bit, and evil
 * things will happen if it is not 0 in a card address.
 */
static char *phy_addr = NULL;


/* A linked list of "instances" of the ray device.  Each actual
   PCMCIA card corresponds to one device instance, and is described
   by one dev_link_t structure (defined in ds.h).
*/
static dev_link_t *dev_list = NULL;

/* A dev_link_t structure has fields for most things that are needed
   to keep track of a socket, but there will usually be some device
   specific information that also needs to be kept track of.  The
   'priv' pointer in a dev_link_t structure can be used to point to
   a device-specific private data structure, like this.
*/
static unsigned int ray_mem_speed = 500;

MODULE_AUTHOR("Corey Thomas <corey@world.std.com>");
MODULE_DESCRIPTION("Raylink/WebGear wireless LAN driver");
MODULE_LICENSE("GPL");

module_param(net_type, int, 0);
module_param(hop_dwell, int, 0);
module_param(beacon_period, int, 0);
module_param(psm, int, 0);
module_param(essid, charp, 0);
module_param(translate, int, 0);
module_param(country, int, 0);
module_param(sniffer, int, 0);
module_param(bc, int, 0);
module_param(phy_addr, charp, 0);
module_param(ray_mem_speed, int, 0);

static UCHAR b5_default_startup_parms[] = {
    0,   0,                         /* Adhoc station */
   'L','I','N','U','X', 0,  0,  0,  /* 32 char ESSID */
    0,  0,  0,  0,  0,  0,  0,  0,
    0,  0,  0,  0,  0,  0,  0,  0,
    0,  0,  0,  0,  0,  0,  0,  0,
    1,  0,                          /* Active scan, CA Mode */
    0,  0,  0,  0,  0,  0,          /* No default MAC addr  */
    0x7f, 0xff,                     /* Frag threshold */
    0x00, 0x80,                     /* Hop time 128 Kus*/
    0x01, 0x00,                     /* Beacon period 256 Kus */
    0x01, 0x07, 0xa3,               /* DTIM, retries, ack timeout*/
    0x1d, 0x82, 0x4e,               /* SIFS, DIFS, PIFS */
    0x7f, 0xff,                     /* RTS threshold */
    0x04, 0xe2, 0x38, 0xA4,         /* scan_dwell, max_scan_dwell */
    0x05,                           /* assoc resp timeout thresh */
    0x08, 0x02, 0x08,               /* adhoc, infra, super cycle max*/
    0,                              /* Promiscuous mode */
    0x0c, 0x0bd,                    /* Unique word */
    0x32,                           /* Slot time */
    0xff, 0xff,                     /* roam-low snr, low snr count */
    0x05, 0xff,                     /* Infra, adhoc missed bcn thresh */
    0x01, 0x0b, 0x4f,               /* USA, hop pattern, hop pat length */
/* b4 - b5 differences start here */
    0x00, 0x3f,                     /* CW max */
    0x00, 0x0f,                     /* CW min */
    0x04, 0x08,                     /* Noise gain, limit offset */
    0x28, 0x28,                     /* det rssi, med busy offsets */
    7,                              /* det sync thresh */
    0, 2, 2,                        /* test mode, min, max */
    0,                              /* allow broadcast SSID probe resp */
    0, 0,                           /* privacy must start, can join */
    2, 0, 0, 0, 0, 0, 0, 0          /* basic rate set */
};

static UCHAR b4_default_startup_parms[] = {
    0,   0,                         /* Adhoc station */
   'L','I','N','U','X', 0,  0,  0,  /* 32 char ESSID */
    0,  0,  0,  0,  0,  0,  0,  0,
    0,  0,  0,  0,  0,  0,  0,  0,
    0,  0,  0,  0,  0,  0,  0,  0,
    1,  0,                          /* Active scan, CA Mode */
    0,  0,  0,  0,  0,  0,          /* No default MAC addr  */
    0x7f, 0xff,                     /* Frag threshold */
    0x02, 0x00,                     /* Hop time */
    0x00, 0x01,                     /* Beacon period */
    0x01, 0x07, 0xa3,               /* DTIM, retries, ack timeout*/
    0x1d, 0x82, 0xce,               /* SIFS, DIFS, PIFS */
    0x7f, 0xff,                     /* RTS threshold */
    0xfb, 0x1e, 0xc7, 0x5c,         /* scan_dwell, max_scan_dwell */
    0x05,                           /* assoc resp timeout thresh */
    0x04, 0x02, 0x4,                /* adhoc, infra, super cycle max*/
    0,                              /* Promiscuous mode */
    0x0c, 0x0bd,                    /* Unique word */
    0x4e,                           /* Slot time (TBD seems wrong)*/
    0xff, 0xff,                     /* roam-low snr, low snr count */
    0x05, 0xff,                     /* Infra, adhoc missed bcn thresh */
    0x01, 0x0b, 0x4e,               /* USA, hop pattern, hop pat length */
/* b4 - b5 differences start here */
    0x3f, 0x0f,                     /* CW max, min */
    0x04, 0x08,                     /* Noise gain, limit offset */
    0x28, 0x28,                     /* det rssi, med busy offsets */
    7,                              /* det sync thresh */
    0, 2, 2                         /* test mode, min, max*/
};
/*===========================================================================*/
static unsigned char eth2_llc[] = {0xaa, 0xaa, 3, 0, 0, 0};

static char hop_pattern_length[] = { 1,
	     USA_HOP_MOD,             EUROPE_HOP_MOD,
	     JAPAN_HOP_MOD,           KOREA_HOP_MOD,
	     SPAIN_HOP_MOD,           FRANCE_HOP_MOD,
	     ISRAEL_HOP_MOD,          AUSTRALIA_HOP_MOD,
	     JAPAN_TEST_HOP_MOD
};

static char rcsid[] = "Raylink/WebGear wireless LAN - Corey <Thomas corey@world.std.com>";

/*=============================================================================
    ray_attach() creates an "instance" of the driver, allocating
    local data structures for one device.  The device is registered
    with Card Services.
    The dev_link structure is initialized, but we don't actually
    configure the card at this point -- we wait until we receive a
    card insertion event.
=============================================================================*/
static int ray_attach(struct pcmcia_device *p_dev)
{
    dev_link_t *link;
    ray_dev_t *local;
    struct net_device *dev;
    
    DEBUG(1, "ray_attach()\n");

    /* Initialize the dev_link_t structure */
    link = kmalloc(sizeof(struct dev_link_t), GFP_KERNEL);

    if (!link)
	    return -ENOMEM;

    /* Allocate space for private device-specific data */
    dev = alloc_etherdev(sizeof(ray_dev_t));

    if (!dev)
	    goto fail_alloc_dev;

    local = dev->priv;

    memset(link, 0, sizeof(struct dev_link_t));

    /* The io structure describes IO port mapping. None used here */
    link->io.NumPorts1 = 0;
    link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
    link->io.IOAddrLines = 5;

    /* Interrupt setup. For PCMCIA, driver takes what's given */
    link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
    link->irq.IRQInfo1 = IRQ_LEVEL_ID;
    link->irq.Handler = &ray_interrupt;

    /* General socket configuration */
    link->conf.Attributes = CONF_ENABLE_IRQ;
    link->conf.Vcc = 50;
    link->conf.IntType = INT_MEMORY_AND_IO;
    link->conf.ConfigIndex = 1;
    link->conf.Present = PRESENT_OPTION;

    link->priv = dev;
    link->irq.Instance = dev;
    
    local->finder = link;
    local->card_status = CARD_INSERTED;
    local->authentication_state = UNAUTHENTICATED;
    local->num_multi = 0;
    DEBUG(2,"ray_attach link = %p,  dev = %p,  local = %p, intr = %p\n",
          link,dev,local,&ray_interrupt);

    /* Raylink entries in the device structure */
    dev->hard_start_xmit = &ray_dev_start_xmit;
    dev->set_config = &ray_dev_config;
    dev->get_stats  = &ray_get_stats;
    SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops);
    dev->wireless_handlers = &ray_handler_def;
#ifdef WIRELESS_SPY
    local->wireless_data.spy_data = &local->spy_data;
    dev->wireless_data = &local->wireless_data;
#endif	/* WIRELESS_SPY */

    dev->set_multicast_list = &set_multicast_list;

    DEBUG(2,"ray_cs ray_attach calling ether_setup.)\n");
    SET_MODULE_OWNER(dev);
    dev->init = &ray_dev_init;
    dev->open = &ray_open;
    dev->stop = &ray_dev_close;
    netif_stop_queue(dev);

    init_timer(&local->timer);

    link->handle = p_dev;
    p_dev->instance = link;

    link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
    ray_config(link);

    return 0;

fail_alloc_dev:
    kfree(link);
    return -ENOMEM;
} /* ray_attach */
/*=============================================================================
    This deletes a driver "instance".  The device is de-registered
    with Card Services.  If it has been released, all local data
    structures are freed.  Otherwise, the structures will be freed
    when the device is released.
=============================================================================*/
static void ray_detach(struct pcmcia_device *p_dev)
{
    dev_link_t *link = dev_to_instance(p_dev);
    dev_link_t **linkp;
    struct net_device *dev;
    ray_dev_t *local;

    DEBUG(1, "ray_detach(0x%p)\n", link);
    
    /* Locate device structure */
    for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
        if (*linkp == link) break;
    if (*linkp == NULL)
        return;

    dev = link->priv;

    if (link->state & DEV_CONFIG) {
	    ray_release(link);

	    local = (ray_dev_t *)dev->priv;
            del_timer(&local->timer);
    }

    /* Unlink device structure, free pieces */
    *linkp = link->next;
    if (link->priv) {
	if (link->dev) unregister_netdev(dev);
        free_netdev(dev);
    }
    kfree(link);
    DEBUG(2,"ray_cs ray_detach ending\n");
} /* ray_detach */
/*=============================================================================
    ray_config() is run after a CARD_INSERTION event
    is received, to configure the PCMCIA socket, and to make the
    ethernet device available to the system.
=============================================================================*/
#define CS_CHECK(fn, ret) \
do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
#define MAX_TUPLE_SIZE 128
static void ray_config(dev_link_t *link)
{
    client_handle_t handle = link->handle;
    tuple_t tuple;
    cisparse_t parse;
    int last_fn = 0, last_ret = 0;
    int i;
    u_char buf[MAX_TUPLE_SIZE];
    win_req_t req;
    memreq_t mem;
    struct net_device *dev = (struct net_device *)link->priv;
    ray_dev_t *local = (ray_dev_t *)dev->priv;

    DEBUG(1, "ray_config(0x%p)\n", link);

    /* This reads the card's CONFIG tuple to find its configuration regs */
    tuple.DesiredTuple = CISTPL_CONFIG;
    CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
    tuple.TupleData = buf;
    tuple.TupleDataMax = MAX_TUPLE_SIZE;
    tuple.TupleOffset = 0;
    CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
    CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse));
    link->conf.ConfigBase = parse.config.base;
    link->conf.Present = parse.config.rmask[0];

    /* Determine card type and firmware version */
    buf[0] = buf[MAX_TUPLE_SIZE - 1] = 0;
    tuple.DesiredTuple = CISTPL_VERS_1;
    CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
    tuple.TupleData = buf;
    tuple.TupleDataMax = MAX_TUPLE_SIZE;
    tuple.TupleOffset = 2;
    CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));

    for (i=0; i<tuple.TupleDataLen - 4; i++) 
        if (buf[i] == 0) buf[i] = ' ';
    printk(KERN_INFO "ray_cs Detected: %s\n",buf);

    /* Configure card */
    link->state |= DEV_CONFIG;

    /* Now allocate an interrupt line.  Note that this does not
       actually assign a handler to the interrupt.
    */
    CS_CHECK(RequestIRQ, pcmcia_request_irq(link->handle, &link->irq));
    dev->irq = link->irq.AssignedIRQ;
    
    /* This actually configures the PCMCIA socket -- setting up
       the I/O windows and the interrupt mapping.
    */
    CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link->handle, &link->conf));

/*** Set up 32k window for shared memory (transmit and control) ************/
    req.Attributes = WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
    req.Base = 0;
    req.Size = 0x8000;
    req.AccessSpeed = ray_mem_speed;
    CS_CHECK(RequestWindow, pcmcia_request_window(&link->handle, &req, &link->win));
    mem.CardOffset = 0x0000; mem.Page = 0;
    CS_CHECK(MapMemPage, pcmcia_map_mem_page(link->win, &mem));
    local->sram = ioremap(req.Base,req.Size);

/*** Set up 16k window for shared memory (receive buffer) ***************/
    req.Attributes = WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
    req.Base = 0;
    req.Size = 0x4000;
    req.AccessSpeed = ray_mem_speed;
    CS_CHECK(RequestWindow, pcmcia_request_window(&link->handle, &req, &local->rmem_handle));
    mem.CardOffset = 0x8000; mem.Page = 0;
    CS_CHECK(MapMemPage, pcmcia_map_mem_page(local->rmem_handle, &mem));
    local->rmem = ioremap(req.Base,req.Size);

/*** Set up window for attribute memory ***********************************/
    req.Attributes = WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_AM | WIN_ENABLE | WIN_USE_WAIT;
    req.Base = 0;
    req.Size = 0x1000;
    req.AccessSpeed = ray_mem_speed;
    CS_CHECK(RequestWindow, pcmcia_request_window(&link->handle, &req, &local->amem_handle));
    mem.CardOffset = 0x0000; mem.Page = 0;
    CS_CHECK(MapMemPage, pcmcia_map_mem_page(local->amem_handle, &mem));
    local->amem = ioremap(req.Base,req.Size);

    DEBUG(3,"ray_config sram=%p\n",local->sram);
    DEBUG(3,"ray_config rmem=%p\n",local->rmem);
    DEBUG(3,"ray_config amem=%p\n",local->amem);
    if (ray_init(dev) < 0) {
        ray_release(link);
        return;
    }

    SET_NETDEV_DEV(dev, &handle_to_dev(handle));
    i = register_netdev(dev);
    if (i != 0) {
        printk("ray_config register_netdev() failed\n");
        ray_release(link);
        return;
    }

    strcpy(local->node.dev_name, dev->name);
    link->dev = &local->node;

    link->state &= ~DEV_CONFIG_PENDING;
    printk(KERN_INFO "%s: RayLink, irq %d, hw_addr ",
       dev->name, dev->irq);
    for (i = 0; i < 6; i++)
    printk("%02X%s", dev->dev_addr[i], ((i<5) ? ":" : "\n"));

    return;

cs_failed:
    cs_error(link->handle, last_fn, last_ret);

    ray_release(link);
} /* ray_config */

static inline struct ccs __iomem *ccs_base(ray_dev_t *dev)
{
	return dev->sram + CCS_BASE;
}

static inline struct rcs __iomem *rcs_base(ray_dev_t *dev)
{
	/*
	 * This looks nonsensical, since there is a separate
	 * RCS_BASE. But the difference between a "struct rcs"
	 * and a "struct ccs" ends up being in the _index_ off
	 * the base, so the base pointer is the same for both
	 * ccs/rcs.
	 */
	return dev->sram + CCS_BASE;
}

/*===========================================================================*/
static int ray_init(struct net_device *dev)
{
    int i;
    UCHAR *p;
    struct ccs __iomem *pccs;
    ray_dev_t *local = (ray_dev_t *)dev->priv;
    dev_link_t *link = local->finder;
    DEBUG(1, "ray_init(0x%p)\n", dev);
    if (!(link->state & DEV_PRESENT)) {
        DEBUG(0,"ray_init - device not present\n");
        return -1;
    }

    local->net_type = net_type;
    local->sta_type = TYPE_STA;

    /* Copy the startup results to local memory */
    memcpy_fromio(&local->startup_res, local->sram + ECF_TO_HOST_BASE,\
           sizeof(struct startup_res_6));

    /* Check Power up test status and get mac address from card */
    if (local->startup_res.startup_word != 0x80) {
    printk(KERN_INFO "ray_init ERROR card status = %2x\n",
           local->startup_res.startup_word);
        local->card_status = CARD_INIT_ERROR;
        return -1;
    }

    local->fw_ver = local->startup_res.firmware_version[0];
    local->fw_bld = local->startup_res.firmware_version[1];
    local->fw_var = local->startup_res.firmware_version[2];
    DEBUG(1,"ray_init firmware version %d.%d \n",local->fw_ver, local->fw_bld);

    local->tib_length = 0x20;
    if ((local->fw_ver == 5) && (local->fw_bld >= 30))
        local->tib_length = local->startup_res.tib_length;
    DEBUG(2,"ray_init tib_length = 0x%02x\n", local->tib_length);
    /* Initialize CCS's to buffer free state */
    pccs = ccs_base(local);
    for (i=0;  i<NUMBER_OF_CCS;  i++) {
        writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
    }
    init_startup_params(local);

    /* copy mac address to startup parameters */
    if (parse_addr(phy_addr, local->sparm.b4.a_mac_addr))
    {
        p = local->sparm.b4.a_mac_addr;
    }
    else
    {
        memcpy(&local->sparm.b4.a_mac_addr,
               &local->startup_res.station_addr, ADDRLEN);
        p = local->sparm.b4.a_mac_addr;
    }

    clear_interrupt(local); /* Clear any interrupt from the card */
    local->card_status = CARD_AWAITING_PARAM;
    DEBUG(2,"ray_init ending\n");
    return 0;
} /* ray_init */
/*===========================================================================*/
/* Download startup parameters to the card and command it to read them       */
static int dl_startup_params(struct net_device *dev)
{
    int ccsindex;
    ray_dev_t *local = (ray_dev_t *)dev->priv;
    struct ccs __iomem *pccs;
    dev_link_t *link = local->finder;

    DEBUG(1,"dl_startup_params entered\n");
    if (!(link->state & DEV_PRESENT)) {
        DEBUG(2,"ray_cs dl_startup_params - device not present\n");
        return -1;
    }
    
    /* Copy parameters to host to ECF area */
    if (local->fw_ver == 0x55) 
        memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b4,
               sizeof(struct b4_startup_params));
    else
        memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b5,
               sizeof(struct b5_startup_params));

    
    /* Fill in the CCS fields for the ECF */
    if ((ccsindex = get_free_ccs(local)) < 0) return -1;
    local->dl_param_ccs = ccsindex;
    pccs = ccs_base(local) + ccsindex;
    writeb(CCS_DOWNLOAD_STARTUP_PARAMS, &pccs->cmd);
    DEBUG(2,"dl_startup_params start ccsindex = %d\n", local->dl_param_ccs);
    /* Interrupt the firmware to process the command */
    if (interrupt_ecf(local, ccsindex)) {
        printk(KERN_INFO "ray dl_startup_params failed - "
           "ECF not ready for intr\n");
        local->card_status = CARD_DL_PARAM_ERROR;
        writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
        return -2;
    }
    local->card_status = CARD_DL_PARAM;
    /* Start kernel timer to wait for dl startup to complete. */
    local->timer.expires = jiffies + HZ/2;
    local->timer.data = (long)local;
    local->timer.function = &verify_dl_startup;
    add_timer(&local->timer);
    DEBUG(2,"ray_cs dl_startup_params started timer for verify_dl_startup\n");
    return 0;
} /* dl_startup_params */
/*===========================================================================*/
static void init_startup_params(ray_dev_t *local)
{
    int i; 

    if (country > JAPAN_TEST) country = USA;
    else
        if (country < USA) country = USA;
    /* structure for hop time and beacon period is defined here using 
     * New 802.11D6.1 format.  Card firmware is still using old format
     * until version 6.
     *    Before                    After
     *    a_hop_time ms byte        a_hop_time ms byte
     *    a_hop_time 2s byte        a_hop_time ls byte
     *    a_hop_time ls byte        a_beacon_period ms byte
     *    a_beacon_period           a_beacon_period ls byte
     *
     *    a_hop_time = uS           a_hop_time = KuS
     *    a_beacon_period = hops    a_beacon_period = KuS
     */                             /* 64ms = 010000 */
    if (local->fw_ver == 0x55)  {
        memcpy((UCHAR *)&local->sparm.b4, b4_default_startup_parms, 
               sizeof(struct b4_startup_params));
        /* Translate sane kus input values to old build 4/5 format */
        /* i = hop time in uS truncated to 3 bytes */
        i = (hop_dwell * 1024) & 0xffffff;
        local->sparm.b4.a_hop_time[0] = (i >> 16) & 0xff;
        local->sparm.b4.a_hop_time[1] = (i >> 8) & 0xff;
        local->sparm.b4.a_beacon_period[0] = 0;
        local->sparm.b4.a_beacon_period[1] =
            ((beacon_period/hop_dwell) - 1) & 0xff;
        local->sparm.b4.a_curr_country_code = country;
        local->sparm.b4.a_hop_pattern_length = 
            hop_pattern_length[(int)country] - 1;
        if (bc)
        {
            local->sparm.b4.a_ack_timeout = 0x50;
            local->sparm.b4.a_sifs = 0x3f;
        }
    }
    else {    /* Version 5 uses real kus values */
        memcpy((UCHAR *)&local->sparm.b5, b5_default_startup_parms, 
               sizeof(struct b5_startup_params));

        local->sparm.b5.a_hop_time[0] = (hop_dwell >> 8) & 0xff;
        local->sparm.b5.a_hop_time[1] = hop_dwell & 0xff;
        local->sparm.b5.a_beacon_period[0] = (beacon_period >> 8) & 0xff;
        local->sparm.b5.a_beacon_period[1] = beacon_period & 0xff;
        if (psm)
            local->sparm.b5.a_power_mgt_state = 1;
        local->sparm.b5.a_curr_country_code = country;
        local->sparm.b5.a_hop_pattern_length = 
            hop_pattern_length[(int)country];
    }
    
    local->sparm.b4.a_network_type = net_type & 0x01;
    local->sparm.b4.a_acting_as_ap_status = TYPE_STA;

    if (essid != NULL)
        strncpy(local->sparm.b4.a_current_ess_id, essid, ESSID_SIZE);
} /* init_startup_params */ 
/*===========================================================================*/
static void verify_dl_startup(u_long data)
{
    ray_dev_t *local = (ray_dev_t *)data;
    struct ccs __iomem *pccs = ccs_base(local) + local->dl_param_ccs;
    UCHAR status;
    dev_link_t *link = local->finder;

    if (!(link->state & DEV_PRESENT)) {
        DEBUG(2,"ray_cs verify_dl_startup - device not present\n");
        return;
    }
#ifdef PCMCIA_DEBUG
    if (pc_debug > 2) {
    int i;
    printk(KERN_DEBUG "verify_dl_startup parameters sent via ccs %d:\n",
           local->dl_param_ccs);
        for (i=0; i<sizeof(struct b5_startup_params); i++) {
            printk(" %2x", (unsigned int) readb(local->sram + HOST_TO_ECF_BASE + i));
        }
    printk("\n");
    }
#endif

    status = readb(&pccs->buffer_status);
    if (status!= CCS_BUFFER_FREE)
    {
        printk(KERN_INFO "Download startup params failed.  Status = %d\n",
           status);
        local->card_status = CARD_DL_PARAM_ERROR;
        return;
    }
    if (local->sparm.b4.a_network_type == ADHOC)
        start_net((u_long)local);
    else
        join_net((u_long)local);

    return;
} /* end verify_dl_startup */
/*===========================================================================*/
/* Command card to start a network */
static void start_net(u_long data)
{
    ray_dev_t *local = (ray_dev_t *)data;
    struct ccs __iomem *pccs;
    int ccsindex;
    dev_link_t *link = local->finder;
    if (!(link->state & DEV_PRESENT)) {
        DEBUG(2,"ray_cs start_net - device not present\n");
        return;
    }
    /* Fill in the CCS fields for the ECF */
    if ((ccsindex = get_free_ccs(local)) < 0) return;
    pccs = ccs_base(local) + ccsindex;
    writeb(CCS_START_NETWORK, &pccs->cmd);
    writeb(0, &pccs->var.start_network.update_param);
    /* Interrupt the firmware to process the command */
    if (interrupt_ecf(local, ccsindex)) {
        DEBUG(1,"ray start net failed - card not ready for intr\n");
        writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
        return;
    }
    local->card_status = CARD_DOING_ACQ;
    return;
} /* end start_net */
/*===========================================================================*/
/* Command card to join a network */
static void join_net(u_long data)
{
    ray_dev_t *local = (ray_dev_t *)data;

    struct ccs __iomem *pccs;
    int ccsindex;
    dev_link_t *link = local->finder;
    
    if (!(link->state & DEV_PRESENT)) {
        DEBUG(2,"ray_cs join_net - device not present\n");
        return;
    }
    /* Fill in the CCS fields for the ECF */
    if ((ccsindex = get_free_ccs(local)) < 0) return;
    pccs = ccs_base(local) + ccsindex;
    writeb(CCS_JOIN_NETWORK, &pccs->cmd);
    writeb(0, &pccs->var.join_network.update_param);
    writeb(0, &pccs->var.join_network.net_initiated);
    /* Interrupt the firmware to process the command */
    if (interrupt_ecf(local, ccsindex)) {
        DEBUG(1,"ray join net failed - card not ready for intr\n");
        writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
        return;
    }
    local->card_status = CARD_DOING_ACQ;
    return;
}
/*============================================================================
    After a card is removed, ray_release() will unregister the net
    device, and release the PCMCIA configuration.  If the device is
    still open, this will be postponed until it is closed.
=============================================================================*/
static void ray_release(dev_link_t *link)
{
    struct net_device *dev = link->priv; 
    ray_dev_t *local = dev->priv;
    int i;
    
    DEBUG(1, "ray_release(0x%p)\n", link);

    del_timer(&local->timer);

    iounmap(local->sram);
    iounmap(local->rmem);
    iounmap(local->amem);
    /* Do bother checking to see if these succeed or not */
    i = pcmcia_release_window(local->amem_handle);
    if ( i != CS_SUCCESS ) DEBUG(0,"ReleaseWindow(local->amem) ret = %x\n",i);
    i = pcmcia_release_window(local->rmem_handle);
    if ( i != CS_SUCCESS ) DEBUG(0,"ReleaseWindow(local->rmem) ret = %x\n",i);
    pcmcia_disable_device(link->handle);

    DEBUG(2,"ray_release ending\n");
}

static int ray_suspend(struct pcmcia_device *p_dev)
{
	dev_link_t *link = dev_to_instance(p_dev);
	struct net_device *dev = link->priv;

	link->state |= DEV_SUSPEND;
        if (link->state & DEV_CONFIG) {
		if (link->open)
			netif_device_detach(dev);

		pcmcia_release_configuration(link->handle);
        }


	return 0;
}

static int ray_resume(struct pcmcia_device *p_dev)
{
	dev_link_t *link = dev_to_instance(p_dev);
	struct net_device *dev = link->priv;

	link->state &= ~DEV_SUSPEND;
        if (link->state & DEV_CONFIG) {
		pcmcia_request_configuration(link->handle, &link->conf);
		if (link->open) {
			ray_reset(dev);
			netif_device_attach(dev);
		}
        }

	return 0;
}

/*===========================================================================*/
int ray_dev_init(struct net_device *dev)
{
#ifdef RAY_IMMEDIATE_INIT
    int i;
#endif	/* RAY_IMMEDIATE_INIT */
    ray_dev_t *local = dev->priv;
    dev_link_t *link = local->finder;

    DEBUG(1,"ray_dev_init(dev=%p)\n",dev);
    if (!(link->state & DEV_PRESENT)) {
        DEBUG(2,"ray_dev_init - device not present\n");
        return -1;
    }
#ifdef RAY_IMMEDIATE_INIT
    /* Download startup parameters */
    if ( (i = dl_startup_params(dev)) < 0)
    {
        printk(KERN_INFO "ray_dev_init dl_startup_params failed - "
           "returns 0x%x\n",i);
        return -1;
    }
#else	/* RAY_IMMEDIATE_INIT */
    /* Postpone the card init so that we can still configure the card,
     * for example using the Wireless Extensions. The init will happen
     * in ray_open() - Jean II */
    DEBUG(1,"ray_dev_init: postponing card init to ray_open() ; Status = %d\n",
	  local->card_status);
#endif	/* RAY_IMMEDIATE_INIT */

    /* copy mac and broadcast addresses to linux device */
    memcpy(&dev->dev_addr, &local->sparm.b4.a_mac_addr, ADDRLEN);
    memset(dev->broadcast, 0xff, ETH_ALEN);

    DEBUG(2,"ray_dev_init ending\n");
    return 0;
}
/*===========================================================================*/
static int ray_dev_config(struct net_device *dev, struct ifmap *map)
{
    ray_dev_t *local = dev->priv;
    dev_link_t *link = local->finder;
    /* Dummy routine to satisfy device structure */
    DEBUG(1,"ray_dev_config(dev=%p,ifmap=%p)\n",dev,map);
    if (!(link->state & DEV_PRESENT)) {
        DEBUG(2,"ray_dev_config - device not present\n");
        return -1;
    }

    return 0;
}
/*===========================================================================*/
static int ray_dev_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
    ray_dev_t *local = dev->priv;
    dev_link_t *link = local->finder;
    short length = skb->len;

    if (!(link->state & DEV_PRESENT)) {
        DEBUG(2,"ray_dev_start_xmit - device not present\n");
        return -1;
    }
    DEBUG(3,"ray_dev_start_xmit(skb=%p, dev=%p)\n",skb,dev);
    if (local->authentication_state == NEED_TO_AUTH) {
        DEBUG(0,"ray_cs Sending authentication request.\n");
        if (!build_auth_frame (local, local->auth_id, OPEN_AUTH_REQUEST)) {
            local->authentication_state = AUTHENTICATED;
            netif_stop_queue(dev);
            return 1;
        }
    }

    if (length < ETH_ZLEN)
    {
    	skb = skb_padto(skb, ETH_ZLEN);
    	if (skb == NULL)
    		return 0;
    	length = ETH_ZLEN;
    }
    switch (ray_hw_xmit( skb->data, length, dev, DATA_TYPE)) {
        case XMIT_NO_CCS:
        case XMIT_NEED_AUTH:
	    netif_stop_queue(dev);
            return 1;
        case XMIT_NO_INTR:
        case XMIT_MSG_BAD:
        case XMIT_OK:
        default:
            dev->trans_start = jiffies;
            dev_kfree_skb(skb);
            return 0;
    }
    return 0;
} /* ray_dev_start_xmit */
/*===========================================================================*/
static int ray_hw_xmit(unsigned char* data, int len, struct net_device* dev, 
                UCHAR msg_type)
{
    ray_dev_t *local = (ray_dev_t *)dev->priv;
    struct ccs __iomem *pccs;
    int ccsindex;
    int offset;
    struct tx_msg __iomem *ptx; /* Address of xmit buffer in PC space */
    short int addr;     /* Address of xmit buffer in card space */
    
    DEBUG(3,"ray_hw_xmit(data=%p, len=%d, dev=%p)\n",data,len,dev);
    if (len + TX_HEADER_LENGTH > TX_BUF_SIZE)
    {
        printk(KERN_INFO "ray_hw_xmit packet too large: %d bytes\n",len);
        return XMIT_MSG_BAD;
    }
	switch (ccsindex = get_free_tx_ccs(local)) {
	case ECCSBUSY:
		DEBUG(2,"ray_hw_xmit tx_ccs table busy\n");
	case ECCSFULL:
        DEBUG(2,"ray_hw_xmit No free tx ccs\n");
	case ECARDGONE:
	netif_stop_queue(dev);
        return XMIT_NO_CCS;
	default:
		break;
	}
    addr = TX_BUF_BASE + (ccsindex << 11);

    if (msg_type == DATA_TYPE) {
        local->stats.tx_bytes += len;
        local->stats.tx_packets++;
    }

    ptx = local->sram + addr;

    ray_build_header(local, ptx, msg_type, data);
    if (translate) {
        offset = translate_frame(local, ptx, data, len);
    }
    else { /* Encapsulate frame */
        /* TBD TIB length will move address of ptx->var */
        memcpy_toio(&ptx->var, data, len);
        offset = 0;
    }

    /* fill in the CCS */
    pccs = ccs_base(local) + ccsindex;
    len += TX_HEADER_LENGTH + offset;
    writeb(CCS_TX_REQUEST, &pccs->cmd);
    writeb(addr >> 8, &pccs->var.tx_request.tx_data_ptr[0]);
    writeb(local->tib_length, &pccs->var.tx_request.tx_data_ptr[1]);
    writeb(len >> 8, &pccs->var.tx_request.tx_data_length[0]);
    writeb(len & 0xff, &pccs->var.tx_request.tx_data_length[1]);
/* TBD still need psm_cam? */
    writeb(PSM_CAM, &pccs->var.tx_request.pow_sav_mode);
    writeb(local->net_default_tx_rate, &pccs->var.tx_request.tx_rate);
    writeb(0, &pccs->var.tx_request.antenna);
    DEBUG(3,"ray_hw_xmit default_tx_rate = 0x%x\n",\
          local->net_default_tx_rate);

    /* Interrupt the firmware to process the command */
    if (interrupt_ecf(local, ccsindex)) {
        DEBUG(2,"ray_hw_xmit failed - ECF not ready for intr\n");
/* TBD very inefficient to copy packet to buffer, and then not
   send it, but the alternative is to queue the messages and that
   won't be done for a while.  Maybe set tbusy until a CCS is free?
*/
        writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
        return XMIT_NO_INTR;
    }
    return XMIT_OK;
} /* end ray_hw_xmit */
/*===========================================================================*/
static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx, unsigned char *data,
                    int len)
{
    unsigned short int proto = ((struct ethhdr *)data)->h_proto;
    if (ntohs(proto) >= 1536) { /* DIX II ethernet frame */
        DEBUG(3,"ray_cs translate_frame DIX II\n");
        /* Copy LLC header to card buffer */
        memcpy_toio(&ptx->var, eth2_llc, sizeof(eth2_llc));
        memcpy_toio( ((void __iomem *)&ptx->var) + sizeof(eth2_llc), (UCHAR *)&proto, 2);
        if ((proto == 0xf380) || (proto == 0x3781)) {
            /* This is the selective translation table, only 2 entries */
            writeb(0xf8, &((struct snaphdr_t __iomem *)ptx->var)->org[3]);
        }
        /* Copy body of ethernet packet without ethernet header */
        memcpy_toio((void __iomem *)&ptx->var + sizeof(struct snaphdr_t), \
                    data + ETH_HLEN,  len - ETH_HLEN);
        return (int) sizeof(struct snaphdr_t) - ETH_HLEN;
    }
    else { /* already  802 type, and proto is length */
        DEBUG(3,"ray_cs translate_frame 802\n");
        if (proto == 0xffff) { /* evil netware IPX 802.3 without LLC */
        DEBUG(3,"ray_cs translate_frame evil IPX\n");
            memcpy_toio(&ptx->var, data + ETH_HLEN,  len - ETH_HLEN);
            return 0 - ETH_HLEN;
        }
        memcpy_toio(&ptx->var, data + ETH_HLEN,  len - ETH_HLEN);
        return 0 - ETH_HLEN;
    }
    /* TBD do other frame types */
} /* end translate_frame */
/*===========================================================================*/
static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx, UCHAR msg_type,
                unsigned char *data)
{
    writeb(PROTOCOL_VER | msg_type, &ptx->mac.frame_ctl_1);
/*** IEEE 802.11 Address field assignments *************
                TODS FROMDS   addr_1     addr_2          addr_3   addr_4
Adhoc           0    0        dest       src (terminal)  BSSID    N/A
AP to Terminal  0    1        dest       AP(BSSID)       source   N/A
Terminal to AP  1    0        AP(BSSID)  src (terminal)  dest     N/A
AP to AP        1    1        dest AP    src AP          dest     source      
*******************************************************/
    if (local->net_type == ADHOC) {   
        writeb(0, &ptx->mac.frame_ctl_2);
        memcpy_toio(ptx->mac.addr_1, ((struct ethhdr *)data)->h_dest, 2 * ADDRLEN);
        memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
    }
    else /* infrastructure */
    {
        if (local->sparm.b4.a_acting_as_ap_status)
        {
            writeb(FC2_FROM_DS, &ptx->mac.frame_ctl_2);
            memcpy_toio(ptx->mac.addr_1, ((struct ethhdr *)data)->h_dest, ADDRLEN);
            memcpy_toio(ptx->mac.addr_2, local->bss_id, 6);
            memcpy_toio(ptx->mac.addr_3, ((struct ethhdr *)data)->h_source, ADDRLEN);
        }
        else /* Terminal */
        {
            writeb(FC2_TO_DS, &ptx->mac.frame_ctl_2);
            memcpy_toio(ptx->mac.addr_1, local->bss_id, ADDRLEN);
            memcpy_toio(ptx->mac.addr_2, ((struct ethhdr *)data)->h_source, ADDRLEN);
            memcpy_toio(ptx->mac.addr_3, ((struct ethhdr *)data)->h_dest, ADDRLEN);
        }
    }
} /* end encapsulate_frame */


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

static void netdev_get_drvinfo(struct net_device *dev,
			       struct ethtool_drvinfo *info)
{
	strcpy(info->driver, "ray_cs");
}

static struct ethtool_ops netdev_ethtool_ops = {
	.get_drvinfo		= netdev_get_drvinfo,
};

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

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

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : set frequency
 */
static int ray_set_freq(struct net_device *dev,
			struct iw_request_info *info,
			struct iw_freq *fwrq,
			char *extra)
{
	ray_dev_t *local = (ray_dev_t *)dev->priv;
	int err = -EINPROGRESS;		/* Call commit handler */

	/* Reject if card is already initialised */
	if(local->card_status != CARD_AWAITING_PARAM)
		return -EBUSY;

	/* Setting by channel number */
	if ((fwrq->m > USA_HOP_MOD) || (fwrq->e > 0))
		err = -EOPNOTSUPP;
	else
		local->sparm.b5.a_hop_pattern = fwrq->m;

	return err;
}
 
/*------------------------------------------------------------------*/
/*
 * Wireless Handler : get frequency
 */
static int ray_get_freq(struct net_device *dev,
			struct iw_request_info *info,
			struct iw_freq *fwrq,
			char *extra)
{
	ray_dev_t *local = (ray_dev_t *)dev->priv;

	fwrq->m = local->sparm.b5.a_hop_pattern;
	fwrq->e = 0;
	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : set ESSID
 */
static int ray_set_essid(struct net_device *dev,
			 struct iw_request_info *info,
			 struct iw_point *dwrq,
			 char *extra)
{
	ray_dev_t *local = (ray_dev_t *)dev->priv;

	/* Reject if card is already initialised */
	if(local->card_status != CARD_AWAITING_PARAM)
		return -EBUSY;

	/* Check if we asked for `any' */
	if(dwrq->flags == 0) {
		/* Corey : can you do that ? */
		return -EOPNOTSUPP;
	} else {
		/* Check the size of the string */
		if(dwrq->length > IW_ESSID_MAX_SIZE + 1) {
			return -E2BIG;
		}

		/* Set the ESSID in the card */
		memset(local->sparm.b5.a_current_ess_id, 0, IW_ESSID_MAX_SIZE);
		memcpy(local->sparm.b5.a_current_ess_id, extra, dwrq->length);
	}

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

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : get ESSID
 */
static int ray_get_essid(struct net_device *dev,
			 struct iw_request_info *info,
			 struct iw_point *dwrq,
			 char *extra)
{
	ray_dev_t *local = (ray_dev_t *)dev->priv;

	/* Get the essid that was set */
	memcpy(extra, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE);
	extra[IW_ESSID_MAX_SIZE] = '\0';

	/* Push it out ! */
	dwrq->length = strlen(extra);
	dwrq->flags = 1; /* active */

	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : get AP address
 */
static int ray_get_wap(struct net_device *dev,
			struct iw_request_info *info,
			struct sockaddr *awrq,
			char *extra)
{
	ray_dev_t *local = (ray_dev_t *)dev->priv;

	memcpy(awrq->sa_data, local->bss_id, ETH_ALEN);
	awrq->sa_family = ARPHRD_ETHER;

	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : set Bit-Rate
 */
static int ray_set_rate(struct net_device *dev,
			struct iw_request_info *info,
			struct iw_param *vwrq,
			char *extra)
{
	ray_dev_t *local = (ray_dev_t *)dev->priv;

	/* Reject if card is already initialised */
	if(local->card_status != CARD_AWAITING_PARAM)
		return -EBUSY;

	/* Check if rate is in range */
	if((vwrq->value != 1000000) && (vwrq->value != 2000000))
		return -EINVAL;

	/* Hack for 1.5 Mb/s instead of 2 Mb/s */
	if((local->fw_ver == 0x55) &&		/* Please check */
	   (vwrq->value == 2000000))
		local->net_default_tx_rate = 3;
	else
		local->net_default_tx_rate = vwrq->value/500000;

	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : get Bit-Rate
 */
static int ray_get_rate(struct net_device *dev,
			struct iw_request_info *info,
			struct iw_param *vwrq,
			char *extra)
{
	ray_dev_t *local = (ray_dev_t *)dev->priv;

	if(local->net_default_tx_rate == 3)
		vwrq->value = 2000000;		/* Hum... */
	else
		vwrq->value = local->net_default_tx_rate * 500000;
	vwrq->fixed = 0;		/* We are in auto mode */

	return 0;
}

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

	/* Reject if card is already initialised */
	if(local->card_status != CARD_AWAITING_PARAM)
		return -EBUSY;

	/* if(wrq->u.rts.fixed == 0) we should complain */
	if(vwrq->disabled)
		rthr = 32767;
	else {
		if((rthr < 0) || (rthr > 2347)) /* What's the max packet size ??? */
			return -EINVAL;
	}
	local->sparm.b5.a_rts_threshold[0] = (rthr >> 8) & 0xFF;
	local->sparm.b5.a_rts_threshold[1] = rthr & 0xFF;

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


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

	vwrq->value = (local->sparm.b5.a_rts_threshold[0] << 8)
		+ local->sparm.b5.a_rts_threshold[1];
	vwrq->disabled = (vwrq->value == 32767);
	vwrq->fixed = 1;

	return 0;
}

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

	/* Reject if card is already initialised */
	if(local->card_status != CARD_AWAITING_PARAM)
		return -EBUSY;

	/* if(wrq->u.frag.fixed == 0) should complain */
	if(vwrq->disabled)
		fthr = 32767;
	else {
		if((fthr < 256) || (fthr > 2347)) /* To check out ! */
			return -EINVAL;
	}
	local->sparm.b5.a_frag_threshold[0] = (fthr >> 8) & 0xFF;
	local->sparm.b5.a_frag_threshold[1] = fthr & 0xFF;

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

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

	vwrq->value = (local->sparm.b5.a_frag_threshold[0] << 8)
		+ local->sparm.b5.a_frag_threshold[1];
	vwrq->disabled = (vwrq->value == 32767);
	vwrq->fixed = 1;

	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : set Mode of Operation
 */
static int ray_set_mode(struct net_device *dev,
			struct iw_request_info *info,
			__u32 *uwrq,
			char *extra)
{
	ray_dev_t *local = (ray_dev_t *)dev->priv;
	int err = -EINPROGRESS;		/* Call commit handler */
	char card_mode = 1;

	/* Reject if card is already initialised */
	if(local->card_status != CARD_AWAITING_PARAM)
		return -EBUSY;

	switch (*uwrq)
	{
	case IW_MODE_ADHOC:
		card_mode = 0;
		// Fall through
	case IW_MODE_INFRA:
		local->sparm.b5.a_network_type = card_mode;
		break;
	default:
		err = -EINVAL;
	}

	return err;
}

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

	if(local->sparm.b5.a_network_type)
		*uwrq = IW_MODE_INFRA;
	else
		*uwrq = IW_MODE_ADHOC;

	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : get range info
 */
static int ray_get_range(struct net_device *dev,
			 struct iw_request_info *info,
			 struct iw_point *dwrq,
			 char *extra)
{
	struct iw_range *range = (struct iw_range *) extra;

	memset((char *) range, 0, sizeof(struct iw_range));

	/* Set the length (very important for backward compatibility) */
	dwrq->length = sizeof(struct iw_range);

	/* Set the Wireless Extension versions */
	range->we_version_compiled = WIRELESS_EXT;
	range->we_version_source = 9;

	/* Set information in the range struct */
	range->throughput = 1.1 * 1000 * 1000;	/* Put the right number here */
	range->num_channels = hop_pattern_length[(int)country]; 
	range->num_frequency = 0;
	range->max_qual.qual = 0;
	range->max_qual.level = 255;	/* What's the correct value ? */
	range->max_qual.noise = 255;	/* Idem */
	range->num_bitrates = 2;
	range->bitrate[0] = 1000000;	/* 1 Mb/s */
	range->bitrate[1] = 2000000;	/* 2 Mb/s */
	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Private Handler : set framing mode
 */
static int ray_set_framing(struct net_device *dev,
			   struct iw_request_info *info,
			   union iwreq_data *wrqu,
			   char *extra)
{
	translate = *(extra);	/* Set framing mode */

	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Private Handler : get framing mode
 */
static int ray_get_framing(struct net_device *dev,
			   struct iw_request_info *info,
			   union iwreq_data *wrqu,
			   char *extra)
{
	*(extra) = translate;

	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Private Handler : get country
 */
static int ray_get_country(struct net_device *dev,
			   struct iw_request_info *info,
			   union iwreq_data *wrqu,
			   char *extra)
{
	*(extra) = country;

	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Commit handler : called after a bunch of SET operations
 */
static int ray_commit(struct net_device *dev,
		      struct iw_request_info *info,	/* NULL */
		      void *zwrq,			/* NULL */
		      char *extra)			/* NULL */
{
	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Stats handler : return Wireless Stats
 */
static iw_stats * ray_get_wireless_stats(struct net_device *	dev)
{
  ray_dev_t *	local = (ray_dev_t *) dev->priv;
  dev_link_t *link = local->finder;
  struct status __iomem *p = local->sram + STATUS_BASE;

  if(local == (ray_dev_t *) NULL)
    return (iw_stats *) NULL;

  local->wstats.status = local->card_status;
#ifdef WIRELESS_SPY
  if((local->spy_data.spy_number > 0) && (local->sparm.b5.a_network_type == 0))
    {
      /* Get it from the first node in spy list */
      local->wstats.qual.qual = local->spy_data.spy_stat[0].qual;
      local->wstats.qual.level = local->spy_data.spy_stat[0].level;
      local->wstats.qual.noise = local->spy_data.spy_stat[0].noise;
      local->wstats.qual.updated = local->spy_data.spy_stat[0].updated;
    }
#endif /* WIRELESS_SPY */

  if((link->state & DEV_PRESENT)) {
    local->wstats.qual.noise = readb(&p->rxnoise);
    local->wstats.qual.updated |= 4;
  }

  return &local->wstats;
} /* end ray_get_wireless_stats */

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

static const iw_handler	ray_handler[] = {
	[SIOCSIWCOMMIT-SIOCIWFIRST] = (iw_handler) ray_commit,
	[SIOCGIWNAME  -SIOCIWFIRST] = (iw_handler) ray_get_name,
	[SIOCSIWFREQ  -SIOCIWFIRST] = (iw_handler) ray_set_freq,
	[SIOCGIWFREQ  -SIOCIWFIRST] = (iw_handler) ray_get_freq,
	[SIOCSIWMODE  -SIOCIWFIRST] = (iw_handler) ray_set_mode,
	[SIOCGIWMODE  -SIOCIWFIRST] = (iw_handler) ray_get_mode,
	[SIOCGIWRANGE -SIOCIWFIRST] = (iw_handler) ray_get_range,
#ifdef WIRELESS_SPY
 	[SIOCSIWSPY   -SIOCIWFIRST] = (iw_handler) iw_handler_set_spy,
	[SIOCGIWSPY   -SIOCIWFIRST] = (iw_handler) iw_handler_get_spy,
	[SIOCSIWTHRSPY-SIOCIWFIRST] = (iw_handler) iw_handler_set_thrspy,
	[SIOCGIWTHRSPY-SIOCIWFIRST] = (iw_handler) iw_handler_get_thrspy,
#endif	/* WIRELESS_SPY */
	[SIOCGIWAP    -SIOCIWFIRST] = (iw_handler) ray_get_wap,
	[SIOCSIWESSID -SIOCIWFIRST] = (iw_handler) ray_set_essid,
	[SIOCGIWESSID -SIOCIWFIRST] = (iw_handler) ray_get_essid,
	[SIOCSIWRATE  -SIOCIWFIRST] = (iw_handler) ray_set_rate,
	[SIOCGIWRATE  -SIOCIWFIRST] = (iw_handler) ray_get_rate,
	[SIOCSIWRTS   -SIOCIWFIRST] = (iw_handler) ray_set_rts,
	[SIOCGIWRTS   -SIOCIWFIRST] = (iw_handler) ray_get_rts,
	[SIOCSIWFRAG  -SIOCIWFIRST] = (iw_handler) ray_set_frag,
	[SIOCGIWFRAG  -SIOCIWFIRST] = (iw_handler) ray_get_frag,
};

#define SIOCSIPFRAMING	SIOCIWFIRSTPRIV		/* Set framing mode */
#define SIOCGIPFRAMING	SIOCIWFIRSTPRIV + 1	/* Get framing mode */
#define SIOCGIPCOUNTRY	SIOCIWFIRSTPRIV + 3	/* Get country code */

static const iw_handler	ray_private_handler[] = {
	[0] = (iw_handler) ray_set_framing,
	[1] = (iw_handler) ray_get_framing,
	[3] = (iw_handler) ray_get_country,
};

static const struct iw_priv_args	ray_private_args[] = {
/* cmd,		set_args,	get_args,	name */
{ SIOCSIPFRAMING, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 0, "set_framing" },
{ SIOCGIPFRAMING, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "get_framing" },
{ SIOCGIPCOUNTRY, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "get_country" },
};

static const struct iw_handler_def	ray_handler_def =
{
	.num_standard	= sizeof(ray_handler)/sizeof(iw_handler),
	.num_private	= sizeof(ray_private_handler)/sizeof(iw_handler),
	.num_private_args = sizeof(ray_private_args)/sizeof(struct iw_priv_args),
	.standard	= ray_handler,
	.private	= ray_private_handler,
	.private_args	= ray_private_args,
	.get_wireless_stats = ray_get_wireless_stats,
};

/*===========================================================================*/
static int ray_open(struct net_device *dev)
{
    dev_link_t *link;
    ray_dev_t *local = (ray_dev_t *)dev->priv;
    
    DEBUG(1, "ray_open('%s')\n", dev->name);

    for (link = dev_list; link; link = link->next)
        if (link->priv == dev) break;
    if (!DEV_OK(link)) {
        return -ENODEV;
    }

    if (link->open == 0) local->num_multi = 0;
    link->open++;

    /* If the card is not started, time to start it ! - Jean II */
    if(local->card_status == CARD_AWAITING_PARAM) {
	int i;

	DEBUG(1,"ray_open: doing init now !\n");

	/* Download startup parameters */
	if ( (i = dl_startup_params(dev)) < 0)
	  {
	    printk(KERN_INFO "ray_dev_init dl_startup_params failed - "
		   "returns 0x%x\n",i);
	    return -1;
	  }
     }

    if (sniffer) netif_stop_queue(dev);
    else         netif_start_queue(dev);

    DEBUG(2,"ray_open ending\n");
    return 0;
} /* end ray_open */
/*===========================================================================*/
static int ray_dev_close(struct net_device *dev)
{
    dev_link_t *link;

    DEBUG(1, "ray_dev_close('%s')\n", dev->name);

    for (link = dev_list; link; link = link->next)
        if (link->priv == dev) break;
    if (link == NULL)
        return -ENODEV;

    link->open--;
    netif_stop_queue(dev);

    /* In here, we should stop the hardware (stop card from beeing active)
     * and set local->card_status to CARD_AWAITING_PARAM, so that while the
     * card is closed we can chage its configuration.
     * Probably also need a COR reset to get sane state - Jean II */

    return 0;
} /* end ray_dev_close */
/*===========================================================================*/
static void ray_reset(struct net_device *dev) {
    DEBUG(1,"ray_reset entered\n");
    return;
}
/*===========================================================================*/
/* Cause a firmware interrupt if it is ready for one                         */
/* Return nonzero if not ready                                               */
static int interrupt_ecf(ray_dev_t *local, int ccs)
{
    int i = 50;
    dev_link_t *link = local->finder;

    if (!(link->state & DEV_PRESENT)) {
        DEBUG(2,"ray_cs interrupt_ecf - device not present\n");
        return -1;
    }
    DEBUG(2,"interrupt_ecf(local=%p, ccs = 0x%x\n",local,ccs);

    while ( i && 
            (readb(local->amem + CIS_OFFSET + ECF_INTR_OFFSET) & ECF_INTR_SET))
        i--;
    if (i == 0) {
        DEBUG(2,"ray_cs interrupt_ecf card not ready for interrupt\n");
        return -1;
    }
	/* Fill the mailbox, then kick the card */
    writeb(ccs, local->sram + SCB_BASE);
    writeb(ECF_INTR_SET, local->amem + CIS_OFFSET + ECF_INTR_OFFSET);
    return 0;
} /* interrupt_ecf */
/*===========================================================================*/
/* Get next free transmit CCS                                                */
/* Return - index of current tx ccs                                          */
static int get_free_tx_ccs(ray_dev_t *local)
{
    int i;
    struct ccs __iomem *pccs = ccs_base(local);
    dev_link_t *link = local->finder;

    if (!(link->state & DEV_PRESENT)) {
        DEBUG(2,"ray_cs get_free_tx_ccs - device not present\n");
        return ECARDGONE;
    }

    if (test_and_set_bit(0,&local->tx_ccs_lock)) {
        DEBUG(1,"ray_cs tx_ccs_lock busy\n");
        return ECCSBUSY;
    } 

    for (i=0; i < NUMBER_OF_TX_CCS; i++) {
        if (readb(&(pccs+i)->buffer_status) == CCS_BUFFER_FREE) {
            writeb(CCS_BUFFER_BUSY, &(pccs+i)->buffer_status);
            writeb(CCS_END_LIST, &(pccs+i)->link);
			local->tx_ccs_lock = 0;
            return i;
        }
    }
	local->tx_ccs_lock = 0;
    DEBUG(2,"ray_cs ERROR no free tx CCS for raylink card\n");
    return ECCSFULL;
} /* get_free_tx_ccs */
/*===========================================================================*/
/* Get next free CCS                                                         */
/* Return - index of current ccs                                             */
static int get_free_ccs(ray_dev_t *local)
{
    int i;
    struct ccs __iomem *pccs = ccs_base(local);
    dev_link_t *link = local->finder;

    if (!(link->state & DEV_PRESENT)) {
        DEBUG(2,"ray_cs get_free_ccs - device not present\n");
        return ECARDGONE;
    }
    if (test_and_set_bit(0,&local->ccs_lock)) {
        DEBUG(1,"ray_cs ccs_lock busy\n");
        return ECCSBUSY;
    } 

    for (i = NUMBER_OF_TX_CCS; i < NUMBER_OF_CCS; i++) {
        if (readb(&(pccs+i)->buffer_status) == CCS_BUFFER_FREE) {
            writeb(CCS_BUFFER_BUSY, &(pccs+i)->buffer_status);
            writeb(CCS_END_LIST, &(pccs+i)->link);
			local->ccs_lock = 0;
            return i;
        }
    }
	local->ccs_lock = 0;
    DEBUG(1,"ray_cs ERROR no free CCS for raylink card\n");
    return ECCSFULL;
} /* get_free_ccs */
/*===========================================================================*/
static void authenticate_timeout(u_long data)
{
    ray_dev_t *local = (ray_dev_t *)data;
    del_timer(&local->timer);
    printk(KERN_INFO "ray_cs Authentication with access point failed"
       " - timeout\n");
    join_net((u_long)local);
}
/*===========================================================================*/
static int asc_to_int(char a)
{
    if (a < '0') return -1;
    if (a <= '9') return (a - '0');
    if (a < 'A') return -1;
    if (a <= 'F') return (10 + a - 'A');
    if (a < 'a') return -1;
    if (a <= 'f') return (10 + a - 'a');
    return -1;
}
/*===========================================================================*/
static int parse_addr(char *in_str, UCHAR *out)
{
    int len;
    int i,j,k;
    int status;
    
    if (in_str == NULL) return 0;
    if ((len = strlen(in_str)) < 2) return 0;
    memset(out, 0, ADDRLEN);

    status = 1;
    j = len - 1;
    if (j > 12) j = 12;
    i = 5;
    
    while (j > 0)
    {
        if ((k = asc_to_int(in_str[j--])) != -1) out[i] = k;
        else return 0;

        if (j == 0) break;
        if ((k = asc_to_int(in_str[j--])) != -1) out[i] += k << 4;
        else return 0;
        if (!i--) break;
    }
    return status;
}
/*===========================================================================*/
static struct net_device_stats *ray_get_stats(struct net_device *dev)
{
    ray_dev_t *local = (ray_dev_t *)dev->priv;
    dev_link_t *link = local->finder;
    struct status __iomem *p = local->sram + STATUS_BASE;
    if (!(link->state & DEV_PRESENT)) {
        DEBUG(2,"ray_cs net_device_stats - device not present\n");
        return &local->stats;
    }
    if (readb(&p->mrx_overflow_for_host))
    {
        local->stats.rx_over_errors += ntohs(readb(&p->mrx_overflow));
        writeb(0,&p->mrx_overflow);
        writeb(0,&p->mrx_overflow_for_host);
    }
    if (readb(&p->mrx_checksum_error_for_host))
    {
        local->stats.rx_crc_errors += ntohs(readb(&p->mrx_checksum_error));
        writeb(0,&p->mrx_checksum_error);
        writeb(0,&p->mrx_checksum_error_for_host);
    }
    if (readb(&p->rx_hec_error_for_host))
    {
        local->stats.rx_frame_errors += ntohs(readb(&p->rx_hec_error));
        writeb(0,&p->rx_hec_error);
        writeb(0,&p->rx_hec_error_for_host);
    }
    return &local->stats;
}
/*===========================================================================*/
static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value, int len)
{
    ray_dev_t *local = (ray_dev_t *)dev->priv;
    dev_link_t *link = local->finder;
    int ccsindex;
    int i;
    struct ccs __iomem *pccs;

    if (!(link->state & DEV_PRESENT)) {
        DEBUG(2,"ray_update_parm - device not present\n");
        return;
    }

    if ((ccsindex = get_free_ccs(local)) < 0)
    {
        DEBUG(0,"ray_update_parm - No free ccs\n");
        return;
    }
    pccs = ccs_base(local) + ccsindex;
    writeb(CCS_UPDATE_PARAMS, &pccs->cmd);
    writeb(objid, &pccs->var.update_param.object_id);
    writeb(1, &pccs->var.update_param.number_objects);
    writeb(0, &pccs->var.update_param.failure_cause);
    for (i=0; i<len; i++) {
        writeb(value[i], local->sram + HOST_TO_ECF_BASE);
    }
    /* Interrupt the firmware to process the command */
    if (interrupt_ecf(local, ccsindex)) {
        DEBUG(0,"ray_cs associate failed - ECF not ready for intr\n");
        writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
    }
}
/*===========================================================================*/
static void ray_update_multi_list(struct net_device *dev, int all)
{
    struct dev_mc_list *dmi, **dmip;
    int ccsindex;
    struct ccs __iomem *pccs;
    int i = 0;
    ray_dev_t *local = (ray_dev_t *)dev->priv;
    dev_link_t *link = local->finder;
    void __iomem *p = local->sram + HOST_TO_ECF_BASE;

    if (!(link->state & DEV_PRESENT)) {
        DEBUG(2,"ray_update_multi_list - device not present\n");
        return;
    }
    else 
        DEBUG(2,"ray_update_multi_list(%p)\n",dev);
    if ((ccsindex = get_free_ccs(local)) < 0)
    {
        DEBUG(1,"ray_update_multi - No free ccs\n");
        return;
    }
    pccs = ccs_base(local) + ccsindex;
    writeb(CCS_UPDATE_MULTICAST_LIST, &pccs->cmd);

    if (all) {
        writeb(0xff, &pccs->var);
        local->num_multi = 0xff;
    }
    else {
        /* Copy the kernel's list of MC addresses to card */
        for (dmip=&dev->mc_list; (dmi=*dmip)!=NULL; dmip=&dmi->next) {
            memcpy_toio(p, dmi->dmi_addr, ETH_ALEN);
            DEBUG(1,"ray_update_multi add addr %02x%02x%02x%02x%02x%02x\n",dmi->dmi_addr[0],dmi->dmi_addr[1],dmi->dmi_addr[2],dmi->dmi_addr[3],dmi->dmi_addr[4],dmi->dmi_addr[5]);
            p += ETH_ALEN;
            i++;
        }
        if (i > 256/ADDRLEN) i = 256/ADDRLEN;
        writeb((UCHAR)i, &pccs->var);
        DEBUG(1,"ray_cs update_multi %d addresses in list\n", i);
        /* Interrupt the firmware to process the command */
        local->num_multi = i;
    }
    if (interrupt_ecf(local, ccsindex)) {
        DEBUG(1,"ray_cs update_multi failed - ECF not ready for intr\n");
        writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
    }
} /* end ray_update_multi_list */
/*===========================================================================*/
static void set_multicast_list(struct net_device *dev)
{
    ray_dev_t *local = (ray_dev_t *)dev->priv;
    UCHAR promisc;

    DEBUG(2,"ray_cs set_multicast_list(%p)\n",dev);

    if (dev->flags & IFF_PROMISC)
    {
        if (local->sparm.b5.a_promiscuous_mode == 0) {
            DEBUG(1,"ray_cs set_multicast_list promisc on\n");
            local->sparm.b5.a_promiscuous_mode = 1;
            promisc = 1;
            ray_update_parm(dev,  OBJID_promiscuous_mode, \
                            &promisc, sizeof(promisc));
        }
    }
    else {
        if (local->sparm.b5.a_promiscuous_mode == 1) {
            DEBUG(1,"ray_cs set_multicast_list promisc off\n");
            local->sparm.b5.a_promiscuous_mode = 0;
            promisc = 0;
            ray_update_parm(dev,  OBJID_promiscuous_mode, \
                            &promisc, sizeof(promisc));
        }
    }

    if (dev->flags & IFF_ALLMULTI) ray_update_multi_list(dev, 1);
    else
    {
        if (local->num_multi != dev->mc_count) ray_update_multi_list(dev, 0);
    }
} /* end set_multicast_list */
/*=============================================================================
 * All routines below here are run at interrupt time.
=============================================================================*/
static irqreturn_t ray_interrupt(int irq, void *dev_id, struct pt_regs * regs)
{
    struct net_device *dev = (struct net_device *)dev_id;
    dev_link_t *link;
    ray_dev_t *local;
    struct ccs __iomem *pccs;
    struct rcs __iomem *prcs;
    UCHAR rcsindex;
    UCHAR tmp;
    UCHAR cmd;
    UCHAR status;

    if (dev == NULL) /* Note that we want interrupts with dev->start == 0 */
	return IRQ_NONE;

    DEBUG(4,"ray_cs: interrupt for *dev=%p\n",dev);

    local = (ray_dev_t *)dev->priv;
    link = (dev_link_t *)local->finder;
    if ( ! (link->state & DEV_PRESENT) || link->state & DEV_SUSPEND ) {
        DEBUG(2,"ray_cs interrupt from device not present or suspended.\n");
        return IRQ_NONE;
    }
    rcsindex = readb(&((struct scb __iomem *)(local->sram))->rcs_index);

    if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS))
    {
        DEBUG(1,"ray_cs interrupt bad rcsindex = 0x%x\n",rcsindex);
        clear_interrupt(local);
        return IRQ_HANDLED;
    }
    if (rcsindex < NUMBER_OF_CCS) /* If it's a returned CCS */
    {
        pccs = ccs_base(local) + rcsindex;
        cmd = readb(&pccs->cmd);
        status = readb(&pccs->buffer_status);
        switch (cmd)
        {
        case CCS_DOWNLOAD_STARTUP_PARAMS: /* Happens in firmware someday */
            del_timer(&local->timer);
            if (status == CCS_COMMAND_COMPLETE) {
                DEBUG(1,"ray_cs interrupt download_startup_parameters OK\n");
            }
            else {
                DEBUG(1,"ray_cs interrupt download_startup_parameters fail\n");
            }
            break;
        case CCS_UPDATE_PARAMS:
            DEBUG(1,"ray_cs interrupt update params done\n");
            if (status != CCS_COMMAND_COMPLETE) {
                tmp = readb(&pccs->var.update_param.failure_cause);
            DEBUG(0,"ray_cs interrupt update params failed - reason %d\n",tmp);
            }
            break;
        case CCS_REPORT_PARAMS:
            DEBUG(1,"ray_cs interrupt report params done\n");
            break;
        case CCS_UPDATE_MULTICAST_LIST: /* Note that this CCS isn't returned */
            DEBUG(1,"ray_cs interrupt CCS Update Multicast List done\n");
            break;
        case CCS_UPDATE_POWER_SAVINGS_MODE:
            DEBUG(1,"ray_cs interrupt update power save mode done\n");
            break;
        case CCS_START_NETWORK:
        case CCS_JOIN_NETWORK:
            if (status == CCS_COMMAND_COMPLETE) {
                if (readb(&pccs->var.start_network.net_initiated) == 1) {
                    DEBUG(0,"ray_cs interrupt network \"%s\" started\n",\
                          local->sparm.b4.a_current_ess_id);
                }
                else {
                    DEBUG(0,"ray_cs interrupt network \"%s\" joined\n",\
                          local->sparm.b4.a_current_ess_id);
                }
                memcpy_fromio(&local->bss_id,pccs->var.start_network.bssid,ADDRLEN);

                if (local->fw_ver == 0x55) local->net_default_tx_rate = 3;
                else local->net_default_tx_rate = 
                         readb(&pccs->var.start_network.net_default_tx_rate);
                local->encryption = readb(&pccs->var.start_network.encryption);
                if (!sniffer && (local->net_type == INFRA)
                    && !(local->sparm.b4.a_acting_as_ap_status)) {
                    authenticate(local);
                }
                local->card_status = CARD_ACQ_COMPLETE;
            }
            else {
                local->card_status = CARD_ACQ_FAILED;

                del_timer(&local->timer);
                local->timer.expires = jiffies + HZ*5;
                local->timer.data = (long)local;
                if (status == CCS_START_NETWORK) {
                    DEBUG(0,"ray_cs interrupt network \"%s\" start failed\n",\
                          local->sparm.b4.a_current_ess_id);
                    local->timer.function = &start_net;
                }
                else {
                    DEBUG(0,"ray_cs interrupt network \"%s\" join failed\n",\
                          local->sparm.b4.a_current_ess_id);
                    local->timer.function = &join_net;
                }
                add_timer(&local->timer);
            }
            break;
        case CCS_START_ASSOCIATION:
            if (status == CCS_COMMAND_COMPLETE) {
                local->card_status = CARD_ASSOC_COMPLETE;
                DEBUG(0,"ray_cs association successful\n");
            }
            else
            {
                DEBUG(0,"ray_cs association failed,\n");
                local->card_status = CARD_ASSOC_FAILED;
                join_net((u_long)local);
            }
            break;
        case CCS_TX_REQUEST:
            if (status == CCS_COMMAND_COMPLETE) {
                DEBUG(3,"ray_cs interrupt tx request complete\n");
            }
            else {
                DEBUG(1,"ray_cs interrupt tx request failed\n");
            }
            if (!sniffer) netif_start_queue(dev);
            netif_wake_queue(dev);
            break;
        case CCS_TEST_MEMORY:
            DEBUG(1,"ray_cs interrupt mem test done\n");
            break;
        case CCS_SHUTDOWN:
            DEBUG(1,"ray_cs interrupt Unexpected CCS returned - Shutdown\n");
            break;
        case CCS_DUMP_MEMORY:
            DEBUG(1,"ray_cs interrupt dump memory done\n");
            break;
        case CCS_START_TIMER:
            DEBUG(2,"ray_cs interrupt DING - raylink timer expired\n");
            break;
        default:
            DEBUG(1,"ray_cs interrupt Unexpected CCS 0x%x returned 0x%x\n",\
                  rcsindex, cmd);
        }
        writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
    }
    else /* It's an RCS */
    {
        prcs = rcs_base(local) + rcsindex;
    
        switch (readb(&prcs->interrupt_id))
        {
        case PROCESS_RX_PACKET:
            ray_rx(dev, local, prcs);
            break;
        case REJOIN_NET_COMPLETE:
            DEBUG(1,"ray_cs interrupt rejoin net complete\n");
            local->card_status = CARD_ACQ_COMPLETE;
            /* do we need to clear tx buffers CCS's? */
            if (local->sparm.b4.a_network_type == ADHOC) {
                if (!sniffer) netif_start_queue(dev);
            }
            else {
                memcpy_fromio(&local->bss_id, prcs->var.rejoin_net_complete.bssid, ADDRLEN);
                DEBUG(1,"ray_cs new BSSID = %02x%02x%02x%02x%02x%02x\n",\
                      local->bss_id[0], local->bss_id[1], local->bss_id[2],\
                      local->bss_id[3], local->bss_id[4], local->bss_id[5]);
                if (!sniffer) authenticate(local);
            }
            break;
        case ROAMING_INITIATED:
            DEBUG(1,"ray_cs interrupt roaming initiated\n"); 
            netif_stop_queue(dev);
            local->card_status = CARD_DOING_ACQ;
            break;
        case JAPAN_CALL_SIGN_RXD:
            DEBUG(1,"ray_cs interrupt japan call sign rx\n");
            break;
        default:
            DEBUG(1,"ray_cs Unexpected interrupt for RCS 0x%x cmd = 0x%x\n",\
                  rcsindex, (unsigned int) readb(&prcs->interrupt_id));
            break;
        }
        writeb(CCS_BUFFER_FREE, &prcs->buffer_status);
    }
    clear_interrupt(local);
    return IRQ_HANDLED;
} /* ray_interrupt */
/*===========================================================================*/
static void ray_rx(struct net_device *dev, ray_dev_t *local, struct rcs __iomem *prcs)
{
    int rx_len;
    unsigned int pkt_addr;
    void __iomem *pmsg;
    DEBUG(4,"ray_rx process rx packet\n");

    /* Calculate address of packet within Rx buffer */
    pkt_addr = ((readb(&prcs->var.rx_packet.rx_data_ptr[0]) << 8)
                + readb(&prcs->var.rx_packet.rx_data_ptr[1])) & RX_BUFF_END;
    /* Length of first packet fragment */
    rx_len = (readb(&prcs->var.rx_packet.rx_data_length[0]) << 8)
        + readb(&prcs->var.rx_packet.rx_data_length[1]);

    local->last_rsl = readb(&prcs->var.rx_packet.rx_sig_lev);
    pmsg = local->rmem + pkt_addr;
    switch(readb(pmsg))
    {
    case DATA_TYPE:
        DEBUG(4,"ray_rx data type\n");
        rx_data(dev, prcs, pkt_addr, rx_len);
        break;
    case AUTHENTIC_TYPE:
        DEBUG(4,"ray_rx authentic type\n");
        if (sniffer) rx_data(dev, prcs, pkt_addr, rx_len);
        else rx_authenticate(local, prcs, pkt_addr, rx_len);
        break;
    case DEAUTHENTIC_TYPE:
        DEBUG(4,"ray_rx deauth type\n");
        if (sniffer) rx_data(dev, prcs, pkt_addr, rx_len);
        else rx_deauthenticate(local, prcs, pkt_addr, rx_len);
        break;
    case NULL_MSG_TYPE:
        DEBUG(3,"ray_cs rx NULL msg\n");
        break;
    case BEACON_TYPE:
        DEBUG(4,"ray_rx beacon type\n");
        if (sniffer) rx_data(dev, prcs, pkt_addr, rx_len);

        copy_from_rx_buff(local, (UCHAR *)&local->last_bcn, pkt_addr, 
                          rx_len < sizeof(struct beacon_rx) ? 
                          rx_len : sizeof(struct beacon_rx));

	local->beacon_rxed = 1;
        /* Get the statistics so the card counters never overflow */
        ray_get_stats(dev);
            break;
    default:
        DEBUG(0,"ray_cs unknown pkt type %2x\n", (unsigned int) readb(pmsg));
        break;
    }

} /* end ray_rx */
/*===========================================================================*/
static void rx_data(struct net_device *dev, struct rcs __iomem *prcs, unsigned int pkt_addr, 
             int rx_len)
{
    struct sk_buff *skb = NULL;
    struct rcs __iomem *prcslink = prcs;
    ray_dev_t *local = dev->priv;
    UCHAR *rx_ptr;
    int total_len;
    int tmp;
#ifdef WIRELESS_SPY
    int siglev = local->last_rsl;
    u_char linksrcaddr[ETH_ALEN];	/* Other end of the wireless link */
#endif

    if (!sniffer) {
        if (translate) {
/* TBD length needs fixing for translated header */
            if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
                rx_len > (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN + FCS_LEN)) 
            {
                DEBUG(0,"ray_cs invalid packet length %d received \n",rx_len);
                return;
            }
        }
        else /* encapsulated ethernet */ {
            if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
                rx_len > (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN + FCS_LEN))
            {
                DEBUG(0,"ray_cs invalid packet length %d received \n",rx_len);
                return;
            }
        }
    }
    DEBUG(4,"ray_cs rx_data packet\n");
    /* If fragmented packet, verify sizes of fragments add up */
    if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
        DEBUG(1,"ray_cs rx'ed fragment\n");
        tmp = (readb(&prcs->var.rx_packet.totalpacketlength[0]) << 8)
            +  readb(&prcs->var.rx_packet.totalpacketlength[1]);
        total_len = tmp;
        prcslink = prcs;
        do {
            tmp -= (readb(&prcslink->var.rx_packet.rx_data_length[0]) << 8)
                +   readb(&prcslink->var.rx_packet.rx_data_length[1]);
            if (readb(&prcslink->var.rx_packet.next_frag_rcs_index) == 0xFF
                || tmp < 0) break;
            prcslink = rcs_base(local)
                + readb(&prcslink->link_field);
        } while (1);

        if (tmp < 0)
        {
            DEBUG(0,"ray_cs rx_data fragment lengths don't add up\n");
            local->stats.rx_dropped++; 
            release_frag_chain(local, prcs);
            return;
        }
    }
    else { /* Single unfragmented packet */
        total_len = rx_len;
    }

    skb = dev_alloc_skb( total_len+5 );
    if (skb == NULL)
    {
        DEBUG(0,"ray_cs rx_data could not allocate skb\n");
        local->stats.rx_dropped++; 
        if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF)
            release_frag_chain(local, prcs);
        return;
    }
    skb_reserve( skb, 2);   /* Align IP on 16 byte (TBD check this)*/
    skb->dev = dev;

    DEBUG(4,"ray_cs rx_data total_len = %x, rx_len = %x\n",total_len,rx_len);

/************************/
    /* Reserve enough room for the whole damn packet. */
    rx_ptr = skb_put( skb, total_len);
    /* Copy the whole packet to sk_buff */
    rx_ptr += copy_from_rx_buff(local, rx_ptr, pkt_addr & RX_BUFF_END, rx_len);
    /* Get source address */
#ifdef WIRELESS_SPY
    memcpy(linksrcaddr, ((struct mac_header *)skb->data)->addr_2, ETH_ALEN);
#endif
    /* Now, deal with encapsulation/translation/sniffer */
    if (!sniffer) {
        if (!translate) { 
            /* Encapsulated ethernet, so just lop off 802.11 MAC header */
/* TBD reserve            skb_reserve( skb, RX_MAC_HEADER_LENGTH); */
            skb_pull( skb, RX_MAC_HEADER_LENGTH);
        }
        else {
            /* Do translation */
            untranslate(local, skb, total_len);
        }
    }
    else 
    {  /* sniffer mode, so just pass whole packet */  };

/************************/
    /* Now pick up the rest of the fragments if any */
    tmp = 17; 
    if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
        prcslink = prcs;
        DEBUG(1,"ray_cs rx_data in fragment loop\n");
        do {
            prcslink = rcs_base(local)
                + readb(&prcslink->var.rx_packet.next_frag_rcs_index);
            rx_len = (( readb(&prcslink->var.rx_packet.rx_data_length[0]) << 8)
                      + readb(&prcslink->var.rx_packet.rx_data_length[1]))
                & RX_BUFF_END;
            pkt_addr = (( readb(&prcslink->var.rx_packet.rx_data_ptr[0]) << 8)
                        + readb(&prcslink->var.rx_packet.rx_data_ptr[1]))
                & RX_BUFF_END;

            rx_ptr += copy_from_rx_buff(local, rx_ptr, pkt_addr, rx_len);

        } while (tmp-- && 
                 readb(&prcslink->var.rx_packet.next_frag_rcs_index) != 0xFF);
        release_frag_chain(local, prcs);
    }

    skb->protocol = eth_type_trans(skb,dev);
    netif_rx(skb);
    dev->last_rx = jiffies;
    local->stats.rx_packets++;
    local->stats.rx_bytes += total_len;

    /* Gather signal strength per address */
#ifdef WIRELESS_SPY
    /* For the Access Point or the node having started the ad-hoc net
     * note : ad-hoc work only in some specific configurations, but we
     * kludge in ray_get_wireless_stats... */
    if(!memcmp(linksrcaddr, local->bss_id, ETH_ALEN))
      {
	/* Update statistics */
	/*local->wstats.qual.qual = none ? */
	local->wstats.qual.level = siglev;
	/*local->wstats.qual.noise = none ? */
	local->wstats.qual.updated = 0x2;
      }
    /* Now, update the spy stuff */
    {
	struct iw_quality wstats;
	wstats.level = siglev;
	/* wstats.noise = none ? */
	/* wstats.qual = none ? */
	wstats.updated = 0x2;
	/* Update spy records */
	wireless_spy_update(dev, linksrcaddr, &wstats);
    }
#endif	/* WIRELESS_SPY */
} /* end rx_data */
/*===========================================================================*/
static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len)
{
    snaphdr_t *psnap = (snaphdr_t *)(skb->data + RX_MAC_HEADER_LENGTH);
    struct mac_header *pmac = (struct mac_header *)skb->data;
    unsigned short type = *(unsigned short *)psnap->ethertype;
    unsigned int xsap = *(unsigned int *)psnap & 0x00ffffff;
    unsigned int org = (*(unsigned int *)psnap->org) & 0x00ffffff;
    int delta;
    struct ethhdr *peth;
    UCHAR srcaddr[ADDRLEN];
    UCHAR destaddr[ADDRLEN];

    if (pmac->frame_ctl_2 & FC2_FROM_DS) {
	if (pmac->frame_ctl_2 & FC2_TO_DS) { /* AP to AP */
	    memcpy(destaddr, pmac->addr_3, ADDRLEN);
	    memcpy(srcaddr, ((unsigned char *)pmac->addr_3) + ADDRLEN, ADDRLEN);
	} else { /* AP to terminal */
	    memcpy(destaddr, pmac->addr_1, ADDRLEN);
	    memcpy(srcaddr, pmac->addr_3, ADDRLEN); 
	}
    } else { /* Terminal to AP */
	if (pmac->frame_ctl_2 & FC2_TO_DS) {
	    memcpy(destaddr, pmac->addr_3, ADDRLEN);
	    memcpy(srcaddr, pmac->addr_2, ADDRLEN); 
	} else { /* Adhoc */
	    memcpy(destaddr, pmac->addr_1, ADDRLEN);
	    memcpy(srcaddr, pmac->addr_2, ADDRLEN); 
	}
    }

#ifdef PCMCIA_DEBUG
    if (pc_debug > 3) {
    int i;
    printk(KERN_DEBUG "skb->data before untranslate");
    for (i=0;i<64;i++) 
        printk("%02x ",skb->data[i]);
    printk("\n" KERN_DEBUG "type = %08x, xsap = %08x, org = %08x\n",
           type,xsap,org);
    printk(KERN_DEBUG "untranslate skb->data = %p\n",skb->data);
    }
#endif

    if ( xsap != SNAP_ID) {
        /* not a snap type so leave it alone */
        DEBUG(3,"ray_cs untranslate NOT SNAP %x\n", *(unsigned int *)psnap & 0x00ffffff);

        delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
        peth = (struct ethhdr *)(skb->data + delta);
        peth->h_proto = htons(len - RX_MAC_HEADER_LENGTH);
    }
    else { /* Its a SNAP */
        if (org == BRIDGE_ENCAP) { /* EtherII and nuke the LLC  */
        DEBUG(3,"ray_cs untranslate Bridge encap\n");
            delta = RX_MAC_HEADER_LENGTH 
                + sizeof(struct snaphdr_t) - ETH_HLEN;
            peth = (struct ethhdr *)(skb->data + delta);
            peth->h_proto = type;
        }
        else {
            if (org == RFC1042_ENCAP) {
                switch (type) {
                case RAY_IPX_TYPE:
                case APPLEARP_TYPE:
                    DEBUG(3,"ray_cs untranslate RFC IPX/AARP\n");
                    delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
                    peth = (struct ethhdr *)(skb->data + delta);
                    peth->h_proto = htons(len - RX_MAC_HEADER_LENGTH);
                    break;
                default:
                    DEBUG(3,"ray_cs untranslate RFC default\n");
                    delta = RX_MAC_HEADER_LENGTH + 
                        sizeof(struct snaphdr_t) - ETH_HLEN;
                    peth = (struct ethhdr *)(skb->data + delta);
                    peth->h_proto = type;
                    break;
                }
            }
            else {
                printk("ray_cs untranslate very confused by packet\n");
                delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
                peth = (struct ethhdr *)(skb->data + delta);
                peth->h_proto = type;
            }
        }
    }
/* TBD reserve  skb_reserve(skb, delta); */
    skb_pull(skb, delta);
    DEBUG(3,"untranslate after skb_pull(%d), skb->data = %p\n",delta,skb->data);
    memcpy(peth->h_dest, destaddr, ADDRLEN);
    memcpy(peth->h_source, srcaddr, ADDRLEN);
#ifdef PCMCIA_DEBUG
    if (pc_debug > 3) {
    int i;
    printk(KERN_DEBUG "skb->data after untranslate:");
    for (i=0;i<64;i++)
        printk("%02x ",skb->data[i]);
    printk("\n");
    }
#endif
} /* end untranslate */
/*===========================================================================*/
/* Copy data from circular receive buffer to PC memory.
 * dest     = destination address in PC memory
 * pkt_addr = source address in receive buffer
 * len      = length of packet to copy
 */
static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr, int length)
{
    int wrap_bytes = (pkt_addr + length) - (RX_BUFF_END + 1);
    if (wrap_bytes <= 0)
    {
        memcpy_fromio(dest,local->rmem + pkt_addr,length);
    }
    else /* Packet wrapped in circular buffer */
    {
        memcpy_fromio(dest,local->rmem+pkt_addr,length - wrap_bytes);
        memcpy_fromio(dest + length - wrap_bytes, local->rmem, wrap_bytes);
    }
    return length;
}
/*===========================================================================*/
static void release_frag_chain(ray_dev_t *local, struct rcs __iomem * prcs)
{
    struct rcs __iomem *prcslink = prcs;
    int tmp = 17;
    unsigned rcsindex = readb(&prcs->var.rx_packet.next_frag_rcs_index);

    while (tmp--) {
        writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
        if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) {
            DEBUG(1,"ray_cs interrupt bad rcsindex = 0x%x\n",rcsindex);
            break;      
        }   
        prcslink = rcs_base(local) + rcsindex;
        rcsindex = readb(&prcslink->var.rx_packet.next_frag_rcs_index);
    }
    writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
}
/*===========================================================================*/
static void authenticate(ray_dev_t *local)
{
    dev_link_t *link = local->finder;
    DEBUG(0,"ray_cs Starting authentication.\n");
    if (!(link->state & DEV_PRESENT)) {
        DEBUG(2,"ray_cs authenticate - device not present\n");
        return;
    }

    del_timer(&local->timer);
    if (build_auth_frame(local, local->bss_id, OPEN_AUTH_REQUEST)) {
        local->timer.function = &join_net;
    }
    else {
        local->timer.function = &authenticate_timeout;
    }
    local->timer.expires = jiffies + HZ*2;
    local->timer.data = (long)local;
    add_timer(&local->timer);
    local->authentication_state = AWAITING_RESPONSE;
} /* end authenticate */
/*===========================================================================*/
static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs,
                     unsigned int pkt_addr, int rx_len)
{
    UCHAR buff[256];
    struct rx_msg *msg = (struct rx_msg *)buff;
    
    del_timer(&local->timer);

    copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
    /* if we are trying to get authenticated */
    if (local->sparm.b4.a_network_type == ADHOC) {
        DEBUG(1,"ray_cs rx_auth var= %02x %02x %02x %02x %02x %02x\n", msg->var[0],msg->var[1],msg->var[2],msg->var[3],msg->var[4],msg->var[5]);
        if (msg->var[2] == 1) {
                    DEBUG(0,"ray_cs Sending authentication response.\n");
                    if (!build_auth_frame (local, msg->mac.addr_2, OPEN_AUTH_RESPONSE)) {
                        local->authentication_state = NEED_TO_AUTH;
                        memcpy(local->auth_id, msg->mac.addr_2, ADDRLEN);
                    }
        }
    }
    else /* Infrastructure network */
    {
        if (local->authentication_state == AWAITING_RESPONSE) {
            /* Verify authentication sequence #2 and success */
            if (msg->var[2] == 2) {
                if ((msg->var[3] | msg->var[4]) == 0) {
                    DEBUG(1,"Authentication successful\n");
                    local->card_status = CARD_AUTH_COMPLETE;
                    associate(local);
                    local->authentication_state = AUTHENTICATED;
                }
                else {
                    DEBUG(0,"Authentication refused\n");
                    local->card_status = CARD_AUTH_REFUSED;
                    join_net((u_long)local);
                    local->authentication_state = UNAUTHENTICATED;
                }
            }
        }
    }

} /* end rx_authenticate */
/*===========================================================================*/
static void associate(ray_dev_t *local)
{
    struct ccs __iomem *pccs;
    dev_link_t *link = local->finder;
    struct net_device *dev = link->priv;
    int ccsindex;
    if (!(link->state & DEV_PRESENT)) {
        DEBUG(2,"ray_cs associate - device not present\n");
        return;
    }
    /* If no tx buffers available, return*/
    if ((ccsindex = get_free_ccs(local)) < 0)
    {
/* TBD should never be here but... what if we are? */
        DEBUG(1,"ray_cs associate - No free ccs\n");
        return;
    }
    DEBUG(1,"ray_cs Starting association with access point\n");
    pccs = ccs_base(local) + ccsindex;
    /* fill in the CCS */
    writeb(CCS_START_ASSOCIATION, &pccs->cmd);
    /* Interrupt the firmware to process the command */
    if (interrupt_ecf(local, ccsindex)) {
        DEBUG(1,"ray_cs associate failed - ECF not ready for intr\n");
        writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);

        del_timer(&local->timer);
        local->timer.expires = jiffies + HZ*2;
        local->timer.data = (long)local;
        local->timer.function = &join_net;
        add_timer(&local->timer);
        local->card_status = CARD_ASSOC_FAILED;
        return;
    }
    if (!sniffer) netif_start_queue(dev);

} /* end associate */
/*===========================================================================*/
static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs, 
                       unsigned int pkt_addr, int rx_len)
{
/*  UCHAR buff[256];
    struct rx_msg *msg = (struct rx_msg *)buff;
*/
    DEBUG(0,"Deauthentication frame received\n");
    local->authentication_state = UNAUTHENTICATED;
    /* Need to reauthenticate or rejoin depending on reason code */
/*  copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
 */
}
/*===========================================================================*/
static void clear_interrupt(ray_dev_t *local)
{
    writeb(0, local->amem + CIS_OFFSET + HCS_INTR_OFFSET);
}
/*===========================================================================*/
#ifdef CONFIG_PROC_FS
#define MAXDATA (PAGE_SIZE - 80)

static char *card_status[] = {
    "Card inserted - uninitialized",     /* 0 */
    "Card not downloaded",               /* 1 */
    "Waiting for download parameters",   /* 2 */
    "Card doing acquisition",            /* 3 */
    "Acquisition complete",              /* 4 */
    "Authentication complete",           /* 5 */
    "Association complete",              /* 6 */
    "???", "???", "???", "???",          /* 7 8 9 10 undefined */
    "Card init error",                   /* 11 */
    "Download parameters error",         /* 12 */
    "???",                               /* 13 */
    "Acquisition failed",                /* 14 */
    "Authentication refused",            /* 15 */
    "Association failed"                 /* 16 */
};

static char *nettype[] = {"Adhoc", "Infra "};
static char *framing[] = {"Encapsulation", "Translation"}
;
/*===========================================================================*/
static int ray_cs_proc_read(char *buf, char **start, off_t offset, int len)
{
/* Print current values which are not available via other means
 * eg ifconfig 
 */
    int i;
    dev_link_t *link;
    struct net_device *dev;
    ray_dev_t *local;
    UCHAR *p;
    struct freq_hop_element *pfh;
    UCHAR c[33];

    link = dev_list;
    if (!link)
    	return 0;
    dev = (struct net_device *)link->priv;
    if (!dev)
    	return 0;
    local = (ray_dev_t *)dev->priv;
    if (!local)
    	return 0;

    len = 0;

    len += sprintf(buf + len, "Raylink Wireless LAN driver status\n");
    len += sprintf(buf + len, "%s\n", rcsid);
    /* build 4 does not report version, and field is 0x55 after memtest */
    len += sprintf(buf + len, "Firmware version     = ");
    if (local->fw_ver == 0x55)
        len += sprintf(buf + len, "4 - Use dump_cis for more details\n");
    else
        len += sprintf(buf + len, "%2d.%02d.%02d\n",
                   local->fw_ver, local->fw_bld, local->fw_var);

    for (i=0; i<32; i++) c[i] = local->sparm.b5.a_current_ess_id[i];
    c[32] = 0;
    len += sprintf(buf + len, "%s network ESSID = \"%s\"\n", 
                   nettype[local->sparm.b5.a_network_type], c);

    p = local->bss_id;
    len += sprintf(buf + len, 
                   "BSSID                = %02x:%02x:%02x:%02x:%02x:%02x\n",
                   p[0],p[1],p[2],p[3],p[4],p[5]);

    len += sprintf(buf + len, "Country code         = %d\n", 
                   local->sparm.b5.a_curr_country_code);

    i = local->card_status;
    if (i < 0) i = 10;
    if (i > 16) i = 10;
    len += sprintf(buf + len, "Card status          = %s\n", card_status[i]);

    len += sprintf(buf + len, "Framing mode         = %s\n",framing[translate]);

    len += sprintf(buf + len, "Last pkt signal lvl  = %d\n", local->last_rsl);

    if (local->beacon_rxed) {
	/* Pull some fields out of last beacon received */
	len += sprintf(buf + len, "Beacon Interval      = %d Kus\n", 
		       local->last_bcn.beacon_intvl[0]
		       + 256 * local->last_bcn.beacon_intvl[1]);
    
    p = local->last_bcn.elements;
    if (p[0] == C_ESSID_ELEMENT_ID) p += p[1] + 2;
    else {
        len += sprintf(buf + len, "Parse beacon failed at essid element id = %d\n",p[0]);
        return len;
    }

    if (p[0] == C_SUPPORTED_RATES_ELEMENT_ID) {
        len += sprintf(buf + len, "Supported rate codes = ");
        for (i=2; i<p[1] + 2; i++) 
            len += sprintf(buf + len, "0x%02x ", p[i]);
        len += sprintf(buf + len, "\n");
        p += p[1] + 2;
    }
    else {
        len += sprintf(buf + len, "Parse beacon failed at rates element\n");
        return len;
    }

	if (p[0] == C_FH_PARAM_SET_ELEMENT_ID) {
	    pfh = (struct freq_hop_element *)p;
	    len += sprintf(buf + len, "Hop dwell            = %d Kus\n",
			   pfh->dwell_time[0] + 256 * pfh->dwell_time[1]);
	    len += sprintf(buf + len, "Hop set              = %d \n", pfh->hop_set);
	    len += sprintf(buf + len, "Hop pattern          = %d \n", pfh->hop_pattern);
	    len += sprintf(buf + len, "Hop index            = %d \n", pfh->hop_index);
	    p += p[1] + 2;
	}
	else {
	    len += sprintf(buf + len, "Parse beacon failed at FH param element\n");
	    return len;
	}
    } else {
	len += sprintf(buf + len, "No beacons received\n");
    }
    return len;
}

#endif
/*===========================================================================*/
static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type)
{
    int addr;
    struct ccs __iomem *pccs;
    struct tx_msg __iomem *ptx;
    int ccsindex;

    /* If no tx buffers available, return */
    if ((ccsindex = get_free_tx_ccs(local)) < 0)
    {
        DEBUG(1,"ray_cs send authenticate - No free tx ccs\n");
        return -1;
    }

    pccs = ccs_base(local) + ccsindex;

    /* Address in card space */
    addr = TX_BUF_BASE + (ccsindex << 11);
    /* fill in the CCS */
    writeb(CCS_TX_REQUEST, &pccs->cmd);
    writeb(addr >> 8, pccs->var.tx_request.tx_data_ptr);
    writeb(0x20, pccs->var.tx_request.tx_data_ptr + 1);
    writeb(TX_AUTHENTICATE_LENGTH_MSB, pccs->var.tx_request.tx_data_length);
    writeb(TX_AUTHENTICATE_LENGTH_LSB,pccs->var.tx_request.tx_data_length + 1);
    writeb(0, &pccs->var.tx_request.pow_sav_mode);

    ptx = local->sram + addr;
    /* fill in the mac header */
    writeb(PROTOCOL_VER | AUTHENTIC_TYPE, &ptx->mac.frame_ctl_1);
    writeb(0, &ptx->mac.frame_ctl_2);

    memcpy_toio(ptx->mac.addr_1, dest, ADDRLEN);
    memcpy_toio(ptx->mac.addr_2, local->sparm.b4.a_mac_addr, ADDRLEN);
    memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);

    /* Fill in msg body with protocol 00 00, sequence 01 00 ,status 00 00 */
    memset_io(ptx->var, 0, 6);
    writeb(auth_type & 0xff, ptx->var + 2);

    /* Interrupt the firmware to process the command */
    if (interrupt_ecf(local, ccsindex)) {
        DEBUG(1,"ray_cs send authentication request failed - ECF not ready for intr\n");
        writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
        return -1;
    }
    return 0;
} /* End build_auth_frame */

/*===========================================================================*/
#ifdef CONFIG_PROC_FS
static void raycs_write(const char *name, write_proc_t *w, void *data)
{
	struct proc_dir_entry * entry = create_proc_entry(name, S_IFREG | S_IWUSR, NULL);
	if (entry) {
		entry->write_proc = w;
		entry->data = data;
	}
}

static int write_essid(struct file *file, const char __user *buffer, unsigned long count, void *data)
{
	static char proc_essid[33];
	int len = count;

	if (len > 32)
		len = 32;
	memset(proc_essid, 0, 33);
	if (copy_from_user(proc_essid, buffer, len))
		return -EFAULT;
	essid = proc_essid;
	return count;
}

static int write_int(struct file *file, const char __user *buffer, unsigned long count, void *data)
{
	static char proc_number[10];
	char *p;
	int nr, len;

	if (!count)
		return 0;

	if (count > 9)
		return -EINVAL;
	if (copy_from_user(proc_number, buffer, count))
		return -EFAULT;
	p = proc_number;
	nr = 0;
	len = count;
	do {
		unsigned int c = *p - '0';
		if (c > 9)
			return -EINVAL;
		nr = nr*10 + c;
		p++;
	} while (--len);
	*(int *)data = nr;
	return count;
}
#endif

static struct pcmcia_device_id ray_ids[] = {
	PCMCIA_DEVICE_MANF_CARD(0x01a6, 0x0000),
	PCMCIA_DEVICE_NULL,
};
MODULE_DEVICE_TABLE(pcmcia, ray_ids);

static struct pcmcia_driver ray_driver = {
	.owner		= THIS_MODULE,
	.drv		= {
		.name	= "ray_cs",
	},
	.probe		= ray_attach,
	.remove		= ray_detach,
	.id_table       = ray_ids,
	.suspend	= ray_suspend,
	.resume		= ray_resume,
};

static int __init init_ray_cs(void)
{
    int rc;
    
    DEBUG(1, "%s\n", rcsid);
    rc = pcmcia_register_driver(&ray_driver);
    DEBUG(1, "raylink init_module register_pcmcia_driver returns 0x%x\n",rc);

#ifdef CONFIG_PROC_FS
    proc_mkdir("driver/ray_cs", NULL);

    create_proc_info_entry("driver/ray_cs/ray_cs", 0, NULL, &ray_cs_proc_read);
    raycs_write("driver/ray_cs/essid", write_essid, NULL);
    raycs_write("driver/ray_cs/net_type", write_int, &net_type);
    raycs_write("driver/ray_cs/translate", write_int, &translate);
#endif
    if (translate != 0) translate = 1;
    return 0;
} /* init_ray_cs */

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

static void __exit exit_ray_cs(void)
{
    DEBUG(0, "ray_cs: cleanup_module\n");

#ifdef CONFIG_PROC_FS
    remove_proc_entry("driver/ray_cs/ray_cs", NULL);
    remove_proc_entry("driver/ray_cs/essid", NULL);
    remove_proc_entry("driver/ray_cs/net_type", NULL);
    remove_proc_entry("driver/ray_cs/translate", NULL);
    remove_proc_entry("driver/ray_cs", NULL);
#endif

    pcmcia_unregister_driver(&ray_driver);
    BUG_ON(dev_list != NULL);
} /* exit_ray_cs */

module_init(init_ray_cs);
module_exit(exit_ray_cs);

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