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22#include <linux/err.h>
23#include <linux/init.h>
24
25#include <linux/kernel.h>
26#include <linux/module.h>
27#include <linux/proc_fs.h>
28
29#include <linux/sched.h>
30#include <linux/ptrace.h>
31#include <linux/slab.h>
32#include <linux/string.h>
33#include <linux/timer.h>
34#include <linux/interrupt.h>
35#include <linux/in.h>
36#include <linux/bitops.h>
37#include <linux/scatterlist.h>
38#include <linux/crypto.h>
39#include <asm/io.h>
40#include <asm/system.h>
41#include <asm/unaligned.h>
42
43#include <linux/netdevice.h>
44#include <linux/etherdevice.h>
45#include <linux/skbuff.h>
46#include <linux/if_arp.h>
47#include <linux/ioport.h>
48#include <linux/pci.h>
49#include <asm/uaccess.h>
50#include <linux/kthread.h>
51#include <linux/freezer.h>
52
53#include <linux/ieee80211.h>
54
55#include "airo.h"
56
57#define DRV_NAME "airo"
58
59#ifdef CONFIG_PCI
60static struct pci_device_id card_ids[] = {
61 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
62 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
63 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
67 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
68 { 0, }
69};
70MODULE_DEVICE_TABLE(pci, card_ids);
71
72static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
73static void airo_pci_remove(struct pci_dev *);
74static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
75static int airo_pci_resume(struct pci_dev *pdev);
76
77static struct pci_driver airo_driver = {
78 .name = DRV_NAME,
79 .id_table = card_ids,
80 .probe = airo_pci_probe,
81 .remove = __devexit_p(airo_pci_remove),
82 .suspend = airo_pci_suspend,
83 .resume = airo_pci_resume,
84};
85#endif
86
87
88#include <linux/wireless.h>
89#define WIRELESS_SPY
90#include <net/iw_handler.h>
91
92#define CISCO_EXT
93#ifdef CISCO_EXT
94#include <linux/delay.h>
95#endif
96
97
98#define POWER_ON_DOWN
99
100
101
102
103
104
105
106#define IGNLABEL(comment) NULL
107static char *statsLabels[] = {
108 "RxOverrun",
109 IGNLABEL("RxPlcpCrcErr"),
110 IGNLABEL("RxPlcpFormatErr"),
111 IGNLABEL("RxPlcpLengthErr"),
112 "RxMacCrcErr",
113 "RxMacCrcOk",
114 "RxWepErr",
115 "RxWepOk",
116 "RetryLong",
117 "RetryShort",
118 "MaxRetries",
119 "NoAck",
120 "NoCts",
121 "RxAck",
122 "RxCts",
123 "TxAck",
124 "TxRts",
125 "TxCts",
126 "TxMc",
127 "TxBc",
128 "TxUcFrags",
129 "TxUcPackets",
130 "TxBeacon",
131 "RxBeacon",
132 "TxSinColl",
133 "TxMulColl",
134 "DefersNo",
135 "DefersProt",
136 "DefersEngy",
137 "DupFram",
138 "RxFragDisc",
139 "TxAged",
140 "RxAged",
141 "LostSync-MaxRetry",
142 "LostSync-MissedBeacons",
143 "LostSync-ArlExceeded",
144 "LostSync-Deauth",
145 "LostSync-Disassoced",
146 "LostSync-TsfTiming",
147 "HostTxMc",
148 "HostTxBc",
149 "HostTxUc",
150 "HostTxFail",
151 "HostRxMc",
152 "HostRxBc",
153 "HostRxUc",
154 "HostRxDiscard",
155 IGNLABEL("HmacTxMc"),
156 IGNLABEL("HmacTxBc"),
157 IGNLABEL("HmacTxUc"),
158 IGNLABEL("HmacTxFail"),
159 IGNLABEL("HmacRxMc"),
160 IGNLABEL("HmacRxBc"),
161 IGNLABEL("HmacRxUc"),
162 IGNLABEL("HmacRxDiscard"),
163 IGNLABEL("HmacRxAccepted"),
164 "SsidMismatch",
165 "ApMismatch",
166 "RatesMismatch",
167 "AuthReject",
168 "AuthTimeout",
169 "AssocReject",
170 "AssocTimeout",
171 IGNLABEL("ReasonOutsideTable"),
172 IGNLABEL("ReasonStatus1"),
173 IGNLABEL("ReasonStatus2"),
174 IGNLABEL("ReasonStatus3"),
175 IGNLABEL("ReasonStatus4"),
176 IGNLABEL("ReasonStatus5"),
177 IGNLABEL("ReasonStatus6"),
178 IGNLABEL("ReasonStatus7"),
179 IGNLABEL("ReasonStatus8"),
180 IGNLABEL("ReasonStatus9"),
181 IGNLABEL("ReasonStatus10"),
182 IGNLABEL("ReasonStatus11"),
183 IGNLABEL("ReasonStatus12"),
184 IGNLABEL("ReasonStatus13"),
185 IGNLABEL("ReasonStatus14"),
186 IGNLABEL("ReasonStatus15"),
187 IGNLABEL("ReasonStatus16"),
188 IGNLABEL("ReasonStatus17"),
189 IGNLABEL("ReasonStatus18"),
190 IGNLABEL("ReasonStatus19"),
191 "RxMan",
192 "TxMan",
193 "RxRefresh",
194 "TxRefresh",
195 "RxPoll",
196 "TxPoll",
197 "HostRetries",
198 "LostSync-HostReq",
199 "HostTxBytes",
200 "HostRxBytes",
201 "ElapsedUsec",
202 "ElapsedSec",
203 "LostSyncBetterAP",
204 "PrivacyMismatch",
205 "Jammed",
206 "DiscRxNotWepped",
207 "PhyEleMismatch",
208 (char*)-1 };
209#ifndef RUN_AT
210#define RUN_AT(x) (jiffies+(x))
211#endif
212
213
214
215
216
217
218static int rates[8];
219static int basic_rate;
220static char *ssids[3];
221
222static int io[4];
223static int irq[4];
224
225static
226int maxencrypt ;
227
228
229static int auto_wep ;
230static int aux_bap ;
231
232static int adhoc;
233
234static int probe = 1;
235
236static int proc_uid ;
237
238static int proc_gid ;
239
240static int airo_perm = 0555;
241
242static int proc_perm = 0644;
243
244MODULE_AUTHOR("Benjamin Reed");
245MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
246cards. Direct support for ISA/PCI/MPI cards and support \
247for PCMCIA when used with airo_cs.");
248MODULE_LICENSE("Dual BSD/GPL");
249MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
250module_param_array(io, int, NULL, 0);
251module_param_array(irq, int, NULL, 0);
252module_param(basic_rate, int, 0);
253module_param_array(rates, int, NULL, 0);
254module_param_array(ssids, charp, NULL, 0);
255module_param(auto_wep, int, 0);
256MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
257the authentication options until an association is made. The value of \
258auto_wep is number of the wep keys to check. A value of 2 will try using \
259the key at index 0 and index 1.");
260module_param(aux_bap, int, 0);
261MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
262than seems to work better for older cards with some older buses. Before \
263switching it checks that the switch is needed.");
264module_param(maxencrypt, int, 0);
265MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
266encryption. Units are in 512kbs. Zero (default) means there is no limit. \
267Older cards used to be limited to 2mbs (4).");
268module_param(adhoc, int, 0);
269MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
270module_param(probe, int, 0);
271MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
272
273module_param(proc_uid, int, 0);
274MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
275module_param(proc_gid, int, 0);
276MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
277module_param(airo_perm, int, 0);
278MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
279module_param(proc_perm, int, 0);
280MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
281
282
283
284
285static int do8bitIO ;
286
287
288#define SUCCESS 0
289#define ERROR -1
290#define NO_PACKET -2
291
292
293#define NOP2 0x0000
294#define MAC_ENABLE 0x0001
295#define MAC_DISABLE 0x0002
296#define CMD_LOSE_SYNC 0x0003
297#define CMD_SOFTRESET 0x0004
298#define HOSTSLEEP 0x0005
299#define CMD_MAGIC_PKT 0x0006
300#define CMD_SETWAKEMASK 0x0007
301#define CMD_READCFG 0x0008
302#define CMD_SETMODE 0x0009
303#define CMD_ALLOCATETX 0x000a
304#define CMD_TRANSMIT 0x000b
305#define CMD_DEALLOCATETX 0x000c
306#define NOP 0x0010
307#define CMD_WORKAROUND 0x0011
308#define CMD_ALLOCATEAUX 0x0020
309#define CMD_ACCESS 0x0021
310#define CMD_PCIBAP 0x0022
311#define CMD_PCIAUX 0x0023
312#define CMD_ALLOCBUF 0x0028
313#define CMD_GETTLV 0x0029
314#define CMD_PUTTLV 0x002a
315#define CMD_DELTLV 0x002b
316#define CMD_FINDNEXTTLV 0x002c
317#define CMD_PSPNODES 0x0030
318#define CMD_SETCW 0x0031
319#define CMD_SETPCF 0x0032
320#define CMD_SETPHYREG 0x003e
321#define CMD_TXTEST 0x003f
322#define MAC_ENABLETX 0x0101
323#define CMD_LISTBSS 0x0103
324#define CMD_SAVECFG 0x0108
325#define CMD_ENABLEAUX 0x0111
326#define CMD_WRITERID 0x0121
327#define CMD_USEPSPNODES 0x0130
328#define MAC_ENABLERX 0x0201
329
330
331#define ERROR_QUALIF 0x00
332#define ERROR_ILLCMD 0x01
333#define ERROR_ILLFMT 0x02
334#define ERROR_INVFID 0x03
335#define ERROR_INVRID 0x04
336#define ERROR_LARGE 0x05
337#define ERROR_NDISABL 0x06
338#define ERROR_ALLOCBSY 0x07
339#define ERROR_NORD 0x0B
340#define ERROR_NOWR 0x0C
341#define ERROR_INVFIDTX 0x0D
342#define ERROR_TESTACT 0x0E
343#define ERROR_TAGNFND 0x12
344#define ERROR_DECODE 0x20
345#define ERROR_DESCUNAV 0x21
346#define ERROR_BADLEN 0x22
347#define ERROR_MODE 0x80
348#define ERROR_HOP 0x81
349#define ERROR_BINTER 0x82
350#define ERROR_RXMODE 0x83
351#define ERROR_MACADDR 0x84
352#define ERROR_RATES 0x85
353#define ERROR_ORDER 0x86
354#define ERROR_SCAN 0x87
355#define ERROR_AUTH 0x88
356#define ERROR_PSMODE 0x89
357#define ERROR_RTYPE 0x8A
358#define ERROR_DIVER 0x8B
359#define ERROR_SSID 0x8C
360#define ERROR_APLIST 0x8D
361#define ERROR_AUTOWAKE 0x8E
362#define ERROR_LEAP 0x8F
363
364
365#define COMMAND 0x00
366#define PARAM0 0x02
367#define PARAM1 0x04
368#define PARAM2 0x06
369#define STATUS 0x08
370#define RESP0 0x0a
371#define RESP1 0x0c
372#define RESP2 0x0e
373#define LINKSTAT 0x10
374#define SELECT0 0x18
375#define OFFSET0 0x1c
376#define RXFID 0x20
377#define TXALLOCFID 0x22
378#define TXCOMPLFID 0x24
379#define DATA0 0x36
380#define EVSTAT 0x30
381#define EVINTEN 0x32
382#define EVACK 0x34
383#define SWS0 0x28
384#define SWS1 0x2a
385#define SWS2 0x2c
386#define SWS3 0x2e
387#define AUXPAGE 0x3A
388#define AUXOFF 0x3C
389#define AUXDATA 0x3E
390
391#define FID_TX 1
392#define FID_RX 2
393
394#define AUX_OFFSET 0x800
395
396#define PKTSIZE 1840
397#define RIDSIZE 2048
398
399#define MAXTXQ 64
400
401
402#define BAP0 0
403#define BAP1 2
404
405
406#define COMMAND_BUSY 0x8000
407
408#define BAP_BUSY 0x8000
409#define BAP_ERR 0x4000
410#define BAP_DONE 0x2000
411
412#define PROMISC 0xffff
413#define NOPROMISC 0x0000
414
415#define EV_CMD 0x10
416#define EV_CLEARCOMMANDBUSY 0x4000
417#define EV_RX 0x01
418#define EV_TX 0x02
419#define EV_TXEXC 0x04
420#define EV_ALLOC 0x08
421#define EV_LINK 0x80
422#define EV_AWAKE 0x100
423#define EV_TXCPY 0x400
424#define EV_UNKNOWN 0x800
425#define EV_MIC 0x1000
426#define EV_AWAKEN 0x2000
427#define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
428
429#ifdef CHECK_UNKNOWN_INTS
430#define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
431#else
432#define IGNORE_INTS (~STATUS_INTS)
433#endif
434
435
436#define RID_RW 0x20
437
438
439#define RID_CAPABILITIES 0xFF00
440#define RID_APINFO 0xFF01
441#define RID_RADIOINFO 0xFF02
442#define RID_UNKNOWN3 0xFF03
443#define RID_RSSI 0xFF04
444#define RID_CONFIG 0xFF10
445#define RID_SSID 0xFF11
446#define RID_APLIST 0xFF12
447#define RID_DRVNAME 0xFF13
448#define RID_ETHERENCAP 0xFF14
449#define RID_WEP_TEMP 0xFF15
450#define RID_WEP_PERM 0xFF16
451#define RID_MODULATION 0xFF17
452#define RID_OPTIONS 0xFF18
453#define RID_ACTUALCONFIG 0xFF20
454#define RID_FACTORYCONFIG 0xFF21
455#define RID_UNKNOWN22 0xFF22
456#define RID_LEAPUSERNAME 0xFF23
457#define RID_LEAPPASSWORD 0xFF24
458#define RID_STATUS 0xFF50
459#define RID_BEACON_HST 0xFF51
460#define RID_BUSY_HST 0xFF52
461#define RID_RETRIES_HST 0xFF53
462#define RID_UNKNOWN54 0xFF54
463#define RID_UNKNOWN55 0xFF55
464#define RID_UNKNOWN56 0xFF56
465#define RID_MIC 0xFF57
466#define RID_STATS16 0xFF60
467#define RID_STATS16DELTA 0xFF61
468#define RID_STATS16DELTACLEAR 0xFF62
469#define RID_STATS 0xFF68
470#define RID_STATSDELTA 0xFF69
471#define RID_STATSDELTACLEAR 0xFF6A
472#define RID_ECHOTEST_RID 0xFF70
473#define RID_ECHOTEST_RESULTS 0xFF71
474#define RID_BSSLISTFIRST 0xFF72
475#define RID_BSSLISTNEXT 0xFF73
476#define RID_WPA_BSSLISTFIRST 0xFF74
477#define RID_WPA_BSSLISTNEXT 0xFF75
478
479typedef struct {
480 u16 cmd;
481 u16 parm0;
482 u16 parm1;
483 u16 parm2;
484} Cmd;
485
486typedef struct {
487 u16 status;
488 u16 rsp0;
489 u16 rsp1;
490 u16 rsp2;
491} Resp;
492
493
494
495
496
497
498
499
500
501typedef struct WepKeyRid WepKeyRid;
502struct WepKeyRid {
503 __le16 len;
504 __le16 kindex;
505 u8 mac[ETH_ALEN];
506 __le16 klen;
507 u8 key[16];
508} __attribute__ ((packed));
509
510
511typedef struct Ssid Ssid;
512struct Ssid {
513 __le16 len;
514 u8 ssid[32];
515} __attribute__ ((packed));
516
517typedef struct SsidRid SsidRid;
518struct SsidRid {
519 __le16 len;
520 Ssid ssids[3];
521} __attribute__ ((packed));
522
523typedef struct ModulationRid ModulationRid;
524struct ModulationRid {
525 __le16 len;
526 __le16 modulation;
527#define MOD_DEFAULT cpu_to_le16(0)
528#define MOD_CCK cpu_to_le16(1)
529#define MOD_MOK cpu_to_le16(2)
530} __attribute__ ((packed));
531
532typedef struct ConfigRid ConfigRid;
533struct ConfigRid {
534 __le16 len;
535 __le16 opmode;
536#define MODE_STA_IBSS cpu_to_le16(0)
537#define MODE_STA_ESS cpu_to_le16(1)
538#define MODE_AP cpu_to_le16(2)
539#define MODE_AP_RPTR cpu_to_le16(3)
540#define MODE_CFG_MASK cpu_to_le16(0xff)
541#define MODE_ETHERNET_HOST cpu_to_le16(0<<8)
542#define MODE_LLC_HOST cpu_to_le16(1<<8)
543#define MODE_AIRONET_EXTEND cpu_to_le16(1<<9)
544#define MODE_AP_INTERFACE cpu_to_le16(1<<10)
545#define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11)
546#define MODE_ETHER_LLC cpu_to_le16(1<<12)
547#define MODE_LEAF_NODE cpu_to_le16(1<<13)
548#define MODE_CF_POLLABLE cpu_to_le16(1<<14)
549#define MODE_MIC cpu_to_le16(1<<15)
550 __le16 rmode;
551#define RXMODE_BC_MC_ADDR cpu_to_le16(0)
552#define RXMODE_BC_ADDR cpu_to_le16(1)
553#define RXMODE_ADDR cpu_to_le16(2)
554#define RXMODE_RFMON cpu_to_le16(3)
555#define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
556#define RXMODE_LANMON cpu_to_le16(5)
557#define RXMODE_MASK cpu_to_le16(255)
558#define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8)
559#define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
560#define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9)
561 __le16 fragThresh;
562 __le16 rtsThres;
563 u8 macAddr[ETH_ALEN];
564 u8 rates[8];
565 __le16 shortRetryLimit;
566 __le16 longRetryLimit;
567 __le16 txLifetime;
568 __le16 rxLifetime;
569 __le16 stationary;
570 __le16 ordering;
571 __le16 u16deviceType;
572 __le16 cfpRate;
573 __le16 cfpDuration;
574 __le16 _reserved1[3];
575
576 __le16 scanMode;
577#define SCANMODE_ACTIVE cpu_to_le16(0)
578#define SCANMODE_PASSIVE cpu_to_le16(1)
579#define SCANMODE_AIROSCAN cpu_to_le16(2)
580 __le16 probeDelay;
581 __le16 probeEnergyTimeout;
582 __le16 probeResponseTimeout;
583 __le16 beaconListenTimeout;
584 __le16 joinNetTimeout;
585 __le16 authTimeout;
586 __le16 authType;
587#define AUTH_OPEN cpu_to_le16(0x1)
588#define AUTH_ENCRYPT cpu_to_le16(0x101)
589#define AUTH_SHAREDKEY cpu_to_le16(0x102)
590#define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
591 __le16 associationTimeout;
592 __le16 specifiedApTimeout;
593 __le16 offlineScanInterval;
594 __le16 offlineScanDuration;
595 __le16 linkLossDelay;
596 __le16 maxBeaconLostTime;
597 __le16 refreshInterval;
598#define DISABLE_REFRESH cpu_to_le16(0xFFFF)
599 __le16 _reserved1a[1];
600
601 __le16 powerSaveMode;
602#define POWERSAVE_CAM cpu_to_le16(0)
603#define POWERSAVE_PSP cpu_to_le16(1)
604#define POWERSAVE_PSPCAM cpu_to_le16(2)
605 __le16 sleepForDtims;
606 __le16 listenInterval;
607 __le16 fastListenInterval;
608 __le16 listenDecay;
609 __le16 fastListenDelay;
610 __le16 _reserved2[2];
611
612 __le16 beaconPeriod;
613 __le16 atimDuration;
614 __le16 hopPeriod;
615 __le16 channelSet;
616 __le16 channel;
617 __le16 dtimPeriod;
618 __le16 bridgeDistance;
619 __le16 radioID;
620
621 __le16 radioType;
622#define RADIOTYPE_DEFAULT cpu_to_le16(0)
623#define RADIOTYPE_802_11 cpu_to_le16(1)
624#define RADIOTYPE_LEGACY cpu_to_le16(2)
625 u8 rxDiversity;
626 u8 txDiversity;
627 __le16 txPower;
628#define TXPOWER_DEFAULT 0
629 __le16 rssiThreshold;
630#define RSSI_DEFAULT 0
631 __le16 modulation;
632#define PREAMBLE_AUTO cpu_to_le16(0)
633#define PREAMBLE_LONG cpu_to_le16(1)
634#define PREAMBLE_SHORT cpu_to_le16(2)
635 __le16 preamble;
636 __le16 homeProduct;
637 __le16 radioSpecific;
638
639 u8 nodeName[16];
640 __le16 arlThreshold;
641 __le16 arlDecay;
642 __le16 arlDelay;
643 __le16 _reserved4[1];
644
645 u8 magicAction;
646#define MAGIC_ACTION_STSCHG 1
647#define MAGIC_ACTION_RESUME 2
648#define MAGIC_IGNORE_MCAST (1<<8)
649#define MAGIC_IGNORE_BCAST (1<<9)
650#define MAGIC_SWITCH_TO_PSP (0<<10)
651#define MAGIC_STAY_IN_CAM (1<<10)
652 u8 magicControl;
653 __le16 autoWake;
654} __attribute__ ((packed));
655
656typedef struct StatusRid StatusRid;
657struct StatusRid {
658 __le16 len;
659 u8 mac[ETH_ALEN];
660 __le16 mode;
661 __le16 errorCode;
662 __le16 sigQuality;
663 __le16 SSIDlen;
664 char SSID[32];
665 char apName[16];
666 u8 bssid[4][ETH_ALEN];
667 __le16 beaconPeriod;
668 __le16 dimPeriod;
669 __le16 atimDuration;
670 __le16 hopPeriod;
671 __le16 channelSet;
672 __le16 channel;
673 __le16 hopsToBackbone;
674 __le16 apTotalLoad;
675 __le16 generatedLoad;
676 __le16 accumulatedArl;
677 __le16 signalQuality;
678 __le16 currentXmitRate;
679 __le16 apDevExtensions;
680 __le16 normalizedSignalStrength;
681 __le16 shortPreamble;
682 u8 apIP[4];
683 u8 noisePercent;
684 u8 noisedBm;
685 u8 noiseAvePercent;
686 u8 noiseAvedBm;
687 u8 noiseMaxPercent;
688 u8 noiseMaxdBm;
689 __le16 load;
690 u8 carrier[4];
691 __le16 assocStatus;
692#define STAT_NOPACKETS 0
693#define STAT_NOCARRIERSET 10
694#define STAT_GOTCARRIERSET 11
695#define STAT_WRONGSSID 20
696#define STAT_BADCHANNEL 25
697#define STAT_BADBITRATES 30
698#define STAT_BADPRIVACY 35
699#define STAT_APFOUND 40
700#define STAT_APREJECTED 50
701#define STAT_AUTHENTICATING 60
702#define STAT_DEAUTHENTICATED 61
703#define STAT_AUTHTIMEOUT 62
704#define STAT_ASSOCIATING 70
705#define STAT_DEASSOCIATED 71
706#define STAT_ASSOCTIMEOUT 72
707#define STAT_NOTAIROAP 73
708#define STAT_ASSOCIATED 80
709#define STAT_LEAPING 90
710#define STAT_LEAPFAILED 91
711#define STAT_LEAPTIMEDOUT 92
712#define STAT_LEAPCOMPLETE 93
713} __attribute__ ((packed));
714
715typedef struct StatsRid StatsRid;
716struct StatsRid {
717 __le16 len;
718 __le16 spacer;
719 __le32 vals[100];
720} __attribute__ ((packed));
721
722typedef struct APListRid APListRid;
723struct APListRid {
724 __le16 len;
725 u8 ap[4][ETH_ALEN];
726} __attribute__ ((packed));
727
728typedef struct CapabilityRid CapabilityRid;
729struct CapabilityRid {
730 __le16 len;
731 char oui[3];
732 char zero;
733 __le16 prodNum;
734 char manName[32];
735 char prodName[16];
736 char prodVer[8];
737 char factoryAddr[ETH_ALEN];
738 char aironetAddr[ETH_ALEN];
739 __le16 radioType;
740 __le16 country;
741 char callid[ETH_ALEN];
742 char supportedRates[8];
743 char rxDiversity;
744 char txDiversity;
745 __le16 txPowerLevels[8];
746 __le16 hardVer;
747 __le16 hardCap;
748 __le16 tempRange;
749 __le16 softVer;
750 __le16 softSubVer;
751 __le16 interfaceVer;
752 __le16 softCap;
753 __le16 bootBlockVer;
754 __le16 requiredHard;
755 __le16 extSoftCap;
756} __attribute__ ((packed));
757
758
759typedef struct BSSListRidExtra BSSListRidExtra;
760struct BSSListRidExtra {
761 __le16 unknown[4];
762 u8 fixed[12];
763 u8 iep[624];
764} __attribute__ ((packed));
765
766typedef struct BSSListRid BSSListRid;
767struct BSSListRid {
768 __le16 len;
769 __le16 index;
770#define RADIO_FH 1
771#define RADIO_DS 2
772#define RADIO_TMA 4
773 __le16 radioType;
774 u8 bssid[ETH_ALEN];
775 u8 zero;
776 u8 ssidLen;
777 u8 ssid[32];
778 __le16 dBm;
779#define CAP_ESS cpu_to_le16(1<<0)
780#define CAP_IBSS cpu_to_le16(1<<1)
781#define CAP_PRIVACY cpu_to_le16(1<<4)
782#define CAP_SHORTHDR cpu_to_le16(1<<5)
783 __le16 cap;
784 __le16 beaconInterval;
785 u8 rates[8];
786 struct {
787 __le16 dwell;
788 u8 hopSet;
789 u8 hopPattern;
790 u8 hopIndex;
791 u8 fill;
792 } fh;
793 __le16 dsChannel;
794 __le16 atimWindow;
795
796
797 BSSListRidExtra extra;
798} __attribute__ ((packed));
799
800typedef struct {
801 BSSListRid bss;
802 struct list_head list;
803} BSSListElement;
804
805typedef struct tdsRssiEntry tdsRssiEntry;
806struct tdsRssiEntry {
807 u8 rssipct;
808 u8 rssidBm;
809} __attribute__ ((packed));
810
811typedef struct tdsRssiRid tdsRssiRid;
812struct tdsRssiRid {
813 u16 len;
814 tdsRssiEntry x[256];
815} __attribute__ ((packed));
816
817typedef struct MICRid MICRid;
818struct MICRid {
819 __le16 len;
820 __le16 state;
821 __le16 multicastValid;
822 u8 multicast[16];
823 __le16 unicastValid;
824 u8 unicast[16];
825} __attribute__ ((packed));
826
827typedef struct MICBuffer MICBuffer;
828struct MICBuffer {
829 __be16 typelen;
830
831 union {
832 u8 snap[8];
833 struct {
834 u8 dsap;
835 u8 ssap;
836 u8 control;
837 u8 orgcode[3];
838 u8 fieldtype[2];
839 } llc;
840 } u;
841 __be32 mic;
842 __be32 seq;
843} __attribute__ ((packed));
844
845typedef struct {
846 u8 da[ETH_ALEN];
847 u8 sa[ETH_ALEN];
848} etherHead;
849
850#define TXCTL_TXOK (1<<1)
851#define TXCTL_TXEX (1<<2)
852#define TXCTL_802_3 (0<<3)
853#define TXCTL_802_11 (1<<3)
854#define TXCTL_ETHERNET (0<<4)
855#define TXCTL_LLC (1<<4)
856#define TXCTL_RELEASE (0<<5)
857#define TXCTL_NORELEASE (1<<5)
858
859#define BUSY_FID 0x10000
860
861#ifdef CISCO_EXT
862#define AIROMAGIC 0xa55a
863
864#ifdef SIOCIWFIRSTPRIV
865#ifdef SIOCDEVPRIVATE
866#define AIROOLDIOCTL SIOCDEVPRIVATE
867#define AIROOLDIDIFC AIROOLDIOCTL + 1
868#endif
869#else
870#define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
871#endif
872
873
874
875
876#define AIROIOCTL SIOCIWFIRSTPRIV
877#define AIROIDIFC AIROIOCTL + 1
878
879
880
881#define AIROGCAP 0
882#define AIROGCFG 1
883#define AIROGSLIST 2
884#define AIROGVLIST 3
885#define AIROGDRVNAM 4
886#define AIROGEHTENC 5
887#define AIROGWEPKTMP 6
888#define AIROGWEPKNV 7
889#define AIROGSTAT 8
890#define AIROGSTATSC32 9
891#define AIROGSTATSD32 10
892#define AIROGMICRID 11
893#define AIROGMICSTATS 12
894#define AIROGFLAGS 13
895#define AIROGID 14
896#define AIRORRID 15
897#define AIRORSWVERSION 17
898
899
900
901#define AIROPCAP AIROGSTATSD32 + 40
902#define AIROPVLIST AIROPCAP + 1
903#define AIROPSLIST AIROPVLIST + 1
904#define AIROPCFG AIROPSLIST + 1
905#define AIROPSIDS AIROPCFG + 1
906#define AIROPAPLIST AIROPSIDS + 1
907#define AIROPMACON AIROPAPLIST + 1
908#define AIROPMACOFF AIROPMACON + 1
909#define AIROPSTCLR AIROPMACOFF + 1
910#define AIROPWEPKEY AIROPSTCLR + 1
911#define AIROPWEPKEYNV AIROPWEPKEY + 1
912#define AIROPLEAPPWD AIROPWEPKEYNV + 1
913#define AIROPLEAPUSR AIROPLEAPPWD + 1
914
915
916
917#define AIROFLSHRST AIROPWEPKEYNV + 40
918#define AIROFLSHGCHR AIROFLSHRST + 1
919#define AIROFLSHSTFL AIROFLSHGCHR + 1
920#define AIROFLSHPCHR AIROFLSHSTFL + 1
921#define AIROFLPUTBUF AIROFLSHPCHR + 1
922#define AIRORESTART AIROFLPUTBUF + 1
923
924#define FLASHSIZE 32768
925#define AUXMEMSIZE (256 * 1024)
926
927typedef struct aironet_ioctl {
928 unsigned short command;
929 unsigned short len;
930 unsigned short ridnum;
931 unsigned char __user *data;
932} aironet_ioctl;
933
934static char swversion[] = "2.1";
935#endif
936
937#define NUM_MODULES 2
938#define MIC_MSGLEN_MAX 2400
939#define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
940#define AIRO_DEF_MTU 2312
941
942typedef struct {
943 u32 size;
944 u8 enabled;
945 u32 rxSuccess;
946 u32 rxIncorrectMIC;
947 u32 rxNotMICed;
948 u32 rxMICPlummed;
949 u32 rxWrongSequence;
950 u32 reserve[32];
951} mic_statistics;
952
953typedef struct {
954 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
955 u64 accum;
956 int position;
957 union {
958 u8 d8[4];
959 __be32 d32;
960 } part;
961} emmh32_context;
962
963typedef struct {
964 emmh32_context seed;
965 u32 rx;
966 u32 tx;
967 u32 window;
968 u8 valid;
969 u8 key[16];
970} miccntx;
971
972typedef struct {
973 miccntx mCtx;
974 miccntx uCtx;
975} mic_module;
976
977typedef struct {
978 unsigned int rid: 16;
979 unsigned int len: 15;
980 unsigned int valid: 1;
981 dma_addr_t host_addr;
982} Rid;
983
984typedef struct {
985 unsigned int offset: 15;
986 unsigned int eoc: 1;
987 unsigned int len: 15;
988 unsigned int valid: 1;
989 dma_addr_t host_addr;
990} TxFid;
991
992struct rx_hdr {
993 __le16 status, len;
994 u8 rssi[2];
995 u8 rate;
996 u8 freq;
997 __le16 tmp[4];
998} __attribute__ ((packed));
999
1000typedef struct {
1001 unsigned int ctl: 15;
1002 unsigned int rdy: 1;
1003 unsigned int len: 15;
1004 unsigned int valid: 1;
1005 dma_addr_t host_addr;
1006} RxFid;
1007
1008
1009
1010
1011typedef struct {
1012 unsigned char __iomem *card_ram_off;
1013
1014 RxFid rx_desc;
1015 char *virtual_host_addr;
1016
1017 int pending;
1018} HostRxDesc;
1019
1020
1021
1022
1023typedef struct {
1024 unsigned char __iomem *card_ram_off;
1025
1026 TxFid tx_desc;
1027 char *virtual_host_addr;
1028
1029 int pending;
1030} HostTxDesc;
1031
1032
1033
1034
1035typedef struct {
1036 unsigned char __iomem *card_ram_off;
1037
1038 Rid rid_desc;
1039 char *virtual_host_addr;
1040
1041} HostRidDesc;
1042
1043typedef struct {
1044 u16 sw0;
1045 u16 sw1;
1046 u16 status;
1047 u16 len;
1048#define HOST_SET (1 << 0)
1049#define HOST_INT_TX (1 << 1)
1050#define HOST_INT_TXERR (1 << 2)
1051#define HOST_LCC_PAYLOAD (1 << 4)
1052#define HOST_DONT_RLSE (1 << 5)
1053#define HOST_DONT_RETRY (1 << 6)
1054#define HOST_CLR_AID (1 << 7)
1055#define HOST_RTS (1 << 9)
1056#define HOST_SHORT (1 << 10)
1057 u16 ctl;
1058 u16 aid;
1059 u16 retries;
1060 u16 fill;
1061} TxCtlHdr;
1062
1063typedef struct {
1064 u16 ctl;
1065 u16 duration;
1066 char addr1[6];
1067 char addr2[6];
1068 char addr3[6];
1069 u16 seq;
1070 char addr4[6];
1071} WifiHdr;
1072
1073
1074typedef struct {
1075 TxCtlHdr ctlhdr;
1076 u16 fill1;
1077 u16 fill2;
1078 WifiHdr wifihdr;
1079 u16 gaplen;
1080 u16 status;
1081} WifiCtlHdr;
1082
1083static WifiCtlHdr wifictlhdr8023 = {
1084 .ctlhdr = {
1085 .ctl = HOST_DONT_RLSE,
1086 }
1087};
1088
1089
1090#define MAX_KEY_SIZE 13
1091#define MIN_KEY_SIZE 5
1092typedef struct wep_key_t {
1093 u16 len;
1094 u8 key[16];
1095} wep_key_t;
1096
1097
1098static const struct iw_handler_def airo_handler_def;
1099
1100static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1101
1102struct airo_info;
1103
1104static int get_dec_u16( char *buffer, int *start, int limit );
1105static void OUT4500( struct airo_info *, u16 register, u16 value );
1106static unsigned short IN4500( struct airo_info *, u16 register );
1107static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1108static int enable_MAC(struct airo_info *ai, int lock);
1109static void disable_MAC(struct airo_info *ai, int lock);
1110static void enable_interrupts(struct airo_info*);
1111static void disable_interrupts(struct airo_info*);
1112static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1113static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1114static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1115 int whichbap);
1116static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1117 int whichbap);
1118static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1119 int whichbap);
1120static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1121static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1122static int PC4500_writerid(struct airo_info*, u16 rid, const void
1123 *pBuf, int len, int lock);
1124static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1125 int len, int dummy );
1126static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1127static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1128static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1129
1130static int mpi_send_packet (struct net_device *dev);
1131static void mpi_unmap_card(struct pci_dev *pci);
1132static void mpi_receive_802_3(struct airo_info *ai);
1133static void mpi_receive_802_11(struct airo_info *ai);
1134static int waitbusy (struct airo_info *ai);
1135
1136static irqreturn_t airo_interrupt( int irq, void* dev_id);
1137static int airo_thread(void *data);
1138static void timer_func( struct net_device *dev );
1139static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1140static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1141static void airo_read_wireless_stats (struct airo_info *local);
1142#ifdef CISCO_EXT
1143static int readrids(struct net_device *dev, aironet_ioctl *comp);
1144static int writerids(struct net_device *dev, aironet_ioctl *comp);
1145static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1146#endif
1147static void micinit(struct airo_info *ai);
1148static int micsetup(struct airo_info *ai);
1149static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1150static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1151
1152static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1153static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1154
1155static void airo_networks_free(struct airo_info *ai);
1156
1157struct airo_info {
1158 struct net_device *dev;
1159 struct list_head dev_list;
1160
1161
1162#define MAX_FIDS 6
1163#define MPI_MAX_FIDS 1
1164 u32 fids[MAX_FIDS];
1165 ConfigRid config;
1166 char keyindex;
1167 char defindex;
1168 struct proc_dir_entry *proc_entry;
1169 spinlock_t aux_lock;
1170#define FLAG_RADIO_OFF 0
1171#define FLAG_RADIO_DOWN 1
1172#define FLAG_RADIO_MASK 0x03
1173#define FLAG_ENABLED 2
1174#define FLAG_ADHOC 3
1175#define FLAG_MIC_CAPABLE 4
1176#define FLAG_UPDATE_MULTI 5
1177#define FLAG_UPDATE_UNI 6
1178#define FLAG_802_11 7
1179#define FLAG_PROMISC 8
1180#define FLAG_PENDING_XMIT 9
1181#define FLAG_PENDING_XMIT11 10
1182#define FLAG_MPI 11
1183#define FLAG_REGISTERED 12
1184#define FLAG_COMMIT 13
1185#define FLAG_RESET 14
1186#define FLAG_FLASHING 15
1187#define FLAG_WPA_CAPABLE 16
1188 unsigned long flags;
1189#define JOB_DIE 0
1190#define JOB_XMIT 1
1191#define JOB_XMIT11 2
1192#define JOB_STATS 3
1193#define JOB_PROMISC 4
1194#define JOB_MIC 5
1195#define JOB_EVENT 6
1196#define JOB_AUTOWEP 7
1197#define JOB_WSTATS 8
1198#define JOB_SCAN_RESULTS 9
1199 unsigned long jobs;
1200 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1201 int whichbap);
1202 unsigned short *flash;
1203 tdsRssiEntry *rssi;
1204 struct task_struct *list_bss_task;
1205 struct task_struct *airo_thread_task;
1206 struct semaphore sem;
1207 wait_queue_head_t thr_wait;
1208 unsigned long expires;
1209 struct {
1210 struct sk_buff *skb;
1211 int fid;
1212 } xmit, xmit11;
1213 struct net_device *wifidev;
1214 struct iw_statistics wstats;
1215 unsigned long scan_timeout;
1216 struct iw_spy_data spy_data;
1217 struct iw_public_data wireless_data;
1218
1219 struct crypto_cipher *tfm;
1220 mic_module mod[2];
1221 mic_statistics micstats;
1222 HostRxDesc rxfids[MPI_MAX_FIDS];
1223 HostTxDesc txfids[MPI_MAX_FIDS];
1224 HostRidDesc config_desc;
1225 unsigned long ridbus;
1226 struct sk_buff_head txq;
1227 struct pci_dev *pci;
1228 unsigned char __iomem *pcimem;
1229 unsigned char __iomem *pciaux;
1230 unsigned char *shared;
1231 dma_addr_t shared_dma;
1232 pm_message_t power;
1233 SsidRid *SSID;
1234 APListRid *APList;
1235#define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1236 char proc_name[IFNAMSIZ];
1237
1238 int wep_capable;
1239 int max_wep_idx;
1240
1241
1242 unsigned int bssListFirst;
1243 unsigned int bssListNext;
1244 unsigned int bssListRidLen;
1245
1246 struct list_head network_list;
1247 struct list_head network_free_list;
1248 BSSListElement *networks;
1249};
1250
1251static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1252 int whichbap)
1253{
1254 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1255}
1256
1257static int setup_proc_entry( struct net_device *dev,
1258 struct airo_info *apriv );
1259static int takedown_proc_entry( struct net_device *dev,
1260 struct airo_info *apriv );
1261
1262static int cmdreset(struct airo_info *ai);
1263static int setflashmode (struct airo_info *ai);
1264static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1265static int flashputbuf(struct airo_info *ai);
1266static int flashrestart(struct airo_info *ai,struct net_device *dev);
1267
1268#define airo_print(type, name, fmt, args...) \
1269 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1270
1271#define airo_print_info(name, fmt, args...) \
1272 airo_print(KERN_INFO, name, fmt, ##args)
1273
1274#define airo_print_dbg(name, fmt, args...) \
1275 airo_print(KERN_DEBUG, name, fmt, ##args)
1276
1277#define airo_print_warn(name, fmt, args...) \
1278 airo_print(KERN_WARNING, name, fmt, ##args)
1279
1280#define airo_print_err(name, fmt, args...) \
1281 airo_print(KERN_ERR, name, fmt, ##args)
1282
1283#define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash)
1284
1285
1286
1287
1288
1289
1290static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1291static void MoveWindow(miccntx *context, u32 micSeq);
1292static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1293 struct crypto_cipher *tfm);
1294static void emmh32_init(emmh32_context *context);
1295static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1296static void emmh32_final(emmh32_context *context, u8 digest[4]);
1297static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1298
1299static void age_mic_context(miccntx *cur, miccntx *old, u8 *key, int key_len,
1300 struct crypto_cipher *tfm)
1301{
1302
1303
1304
1305 if (cur->valid && (memcmp(cur->key, key, key_len) == 0))
1306 return;
1307
1308
1309 memcpy(old, cur, sizeof(*cur));
1310
1311
1312 memcpy(cur->key, key, key_len);
1313 cur->window = 33;
1314 cur->rx = 0;
1315 cur->tx = 0;
1316 cur->valid = 1;
1317
1318
1319 emmh32_setseed(&cur->seed, key, key_len, tfm);
1320}
1321
1322
1323
1324static void micinit(struct airo_info *ai)
1325{
1326 MICRid mic_rid;
1327
1328 clear_bit(JOB_MIC, &ai->jobs);
1329 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1330 up(&ai->sem);
1331
1332 ai->micstats.enabled = (le16_to_cpu(mic_rid.state) & 0x00FF) ? 1 : 0;
1333 if (!ai->micstats.enabled) {
1334
1335
1336
1337 ai->mod[0].uCtx.valid = 0;
1338 ai->mod[0].mCtx.valid = 0;
1339 return;
1340 }
1341
1342 if (mic_rid.multicastValid) {
1343 age_mic_context(&ai->mod[0].mCtx, &ai->mod[1].mCtx,
1344 mic_rid.multicast, sizeof(mic_rid.multicast),
1345 ai->tfm);
1346 }
1347
1348 if (mic_rid.unicastValid) {
1349 age_mic_context(&ai->mod[0].uCtx, &ai->mod[1].uCtx,
1350 mic_rid.unicast, sizeof(mic_rid.unicast),
1351 ai->tfm);
1352 }
1353}
1354
1355
1356
1357static int micsetup(struct airo_info *ai) {
1358 int i;
1359
1360 if (ai->tfm == NULL)
1361 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1362
1363 if (IS_ERR(ai->tfm)) {
1364 airo_print_err(ai->dev->name, "failed to load transform for AES");
1365 ai->tfm = NULL;
1366 return ERROR;
1367 }
1368
1369 for (i=0; i < NUM_MODULES; i++) {
1370 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1371 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1372 }
1373 return SUCCESS;
1374}
1375
1376static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1395{
1396 miccntx *context;
1397
1398
1399
1400
1401 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1402 context = &ai->mod[0].mCtx;
1403 else
1404 context = &ai->mod[0].uCtx;
1405
1406 if (!context->valid)
1407 return ERROR;
1408
1409 mic->typelen = htons(payLen + 16);
1410
1411 memcpy(&mic->u.snap, micsnap, sizeof(micsnap));
1412
1413
1414 mic->seq = htonl(context->tx);
1415 context->tx += 2;
1416
1417 emmh32_init(&context->seed);
1418 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2);
1419 emmh32_update(&context->seed,(u8*)&mic->typelen,10);
1420 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq));
1421 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen);
1422 emmh32_final(&context->seed, (u8*)&mic->mic);
1423
1424
1425 mic->typelen = 0;
1426 return SUCCESS;
1427}
1428
1429typedef enum {
1430 NONE,
1431 NOMIC,
1432 NOMICPLUMMED,
1433 SEQUENCE,
1434 INCORRECTMIC,
1435} mic_error;
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1451{
1452 int i;
1453 u32 micSEQ;
1454 miccntx *context;
1455 u8 digest[4];
1456 mic_error micError = NONE;
1457
1458
1459
1460 if (!ai->micstats.enabled) {
1461
1462 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1463 ai->micstats.rxMICPlummed++;
1464 return ERROR;
1465 }
1466 return SUCCESS;
1467 }
1468
1469 if (ntohs(mic->typelen) == 0x888E)
1470 return SUCCESS;
1471
1472 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1473
1474 ai->micstats.rxMICPlummed++;
1475 return ERROR;
1476 }
1477
1478 micSEQ = ntohl(mic->seq);
1479
1480
1481
1482
1483
1484 if ( (micSEQ & 1) == 0 ) {
1485 ai->micstats.rxWrongSequence++;
1486 return ERROR;
1487 }
1488
1489 for (i = 0; i < NUM_MODULES; i++) {
1490 int mcast = eth->da[0] & 1;
1491
1492 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1493
1494
1495 if (!context->valid) {
1496 if (i == 0)
1497 micError = NOMICPLUMMED;
1498 continue;
1499 }
1500
1501
1502 if (!mic->typelen)
1503 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1504
1505 emmh32_init(&context->seed);
1506 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1507 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1508 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1509 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1510
1511 emmh32_final(&context->seed, digest);
1512
1513 if (memcmp(digest, &mic->mic, 4)) {
1514
1515 if (i == 0)
1516 micError = INCORRECTMIC;
1517 continue;
1518 }
1519
1520
1521 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1522 ai->micstats.rxSuccess++;
1523 return SUCCESS;
1524 }
1525 if (i == 0)
1526 micError = SEQUENCE;
1527 }
1528
1529
1530 switch (micError) {
1531 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1532 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1533 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1534 case NONE: break;
1535 case NOMIC: break;
1536 }
1537 return ERROR;
1538}
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1555{
1556 u32 seq,index;
1557
1558
1559
1560
1561 if (mcast) {
1562 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1563 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1564 context->window = (micSeq > 33) ? micSeq : 33;
1565 context->rx = 0;
1566 }
1567 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1568 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1569 context->window = (micSeq > 33) ? micSeq : 33;
1570 context->rx = 0;
1571 }
1572
1573
1574 seq = micSeq - (context->window - 33);
1575
1576
1577 if ((s32)seq < 0)
1578 return ERROR;
1579
1580 if ( seq > 64 ) {
1581
1582 MoveWindow(context,micSeq);
1583 return SUCCESS;
1584 }
1585
1586
1587 seq >>= 1;
1588 index = 1 << seq;
1589
1590 if (!(context->rx & index)) {
1591
1592
1593 context->rx |= index;
1594
1595 MoveWindow(context,micSeq);
1596
1597 return SUCCESS;
1598 }
1599 return ERROR;
1600}
1601
1602static void MoveWindow(miccntx *context, u32 micSeq)
1603{
1604 u32 shift;
1605
1606
1607 if (micSeq > context->window) {
1608 shift = (micSeq - context->window) >> 1;
1609
1610
1611 if (shift < 32)
1612 context->rx >>= shift;
1613 else
1614 context->rx = 0;
1615
1616 context->window = micSeq;
1617 }
1618}
1619
1620
1621
1622
1623
1624
1625#define MIC_ACCUM(val) \
1626 context->accum += (u64)(val) * context->coeff[coeff_position++];
1627
1628static unsigned char aes_counter[16];
1629
1630
1631static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1632 struct crypto_cipher *tfm)
1633{
1634
1635
1636
1637 int i,j;
1638 u32 counter;
1639 u8 *cipher, plain[16];
1640
1641 crypto_cipher_setkey(tfm, pkey, 16);
1642 counter = 0;
1643 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1644 aes_counter[15] = (u8)(counter >> 0);
1645 aes_counter[14] = (u8)(counter >> 8);
1646 aes_counter[13] = (u8)(counter >> 16);
1647 aes_counter[12] = (u8)(counter >> 24);
1648 counter++;
1649 memcpy (plain, aes_counter, 16);
1650 crypto_cipher_encrypt_one(tfm, plain, plain);
1651 cipher = plain;
1652 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1653 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1654 j += 4;
1655 }
1656 }
1657}
1658
1659
1660static void emmh32_init(emmh32_context *context)
1661{
1662
1663 context->accum = 0;
1664 context->position = 0;
1665}
1666
1667
1668static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1669{
1670 int coeff_position, byte_position;
1671
1672 if (len == 0) return;
1673
1674 coeff_position = context->position >> 2;
1675
1676
1677 byte_position = context->position & 3;
1678 if (byte_position) {
1679
1680 do {
1681 if (len == 0) return;
1682 context->part.d8[byte_position++] = *pOctets++;
1683 context->position++;
1684 len--;
1685 } while (byte_position < 4);
1686 MIC_ACCUM(ntohl(context->part.d32));
1687 }
1688
1689
1690 while (len >= 4) {
1691 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1692 context->position += 4;
1693 pOctets += 4;
1694 len -= 4;
1695 }
1696
1697
1698 byte_position = 0;
1699 while (len > 0) {
1700 context->part.d8[byte_position++] = *pOctets++;
1701 context->position++;
1702 len--;
1703 }
1704}
1705
1706
1707static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1708
1709
1710static void emmh32_final(emmh32_context *context, u8 digest[4])
1711{
1712 int coeff_position, byte_position;
1713 u32 val;
1714
1715 u64 sum, utmp;
1716 s64 stmp;
1717
1718 coeff_position = context->position >> 2;
1719
1720
1721 byte_position = context->position & 3;
1722 if (byte_position) {
1723
1724 val = ntohl(context->part.d32);
1725 MIC_ACCUM(val & mask32[byte_position]);
1726 }
1727
1728
1729 sum = context->accum;
1730 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1731 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1732 sum = utmp & 0xffffffffLL;
1733 if (utmp > 0x10000000fLL)
1734 sum -= 15;
1735
1736 val = (u32)sum;
1737 digest[0] = (val>>24) & 0xFF;
1738 digest[1] = (val>>16) & 0xFF;
1739 digest[2] = (val>>8) & 0xFF;
1740 digest[3] = val & 0xFF;
1741}
1742
1743static int readBSSListRid(struct airo_info *ai, int first,
1744 BSSListRid *list)
1745{
1746 Cmd cmd;
1747 Resp rsp;
1748
1749 if (first == 1) {
1750 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1751 memset(&cmd, 0, sizeof(cmd));
1752 cmd.cmd=CMD_LISTBSS;
1753 if (down_interruptible(&ai->sem))
1754 return -ERESTARTSYS;
1755 ai->list_bss_task = current;
1756 issuecommand(ai, &cmd, &rsp);
1757 up(&ai->sem);
1758
1759 schedule_timeout_uninterruptible(3 * HZ);
1760 ai->list_bss_task = NULL;
1761 }
1762 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1763 list, ai->bssListRidLen, 1);
1764}
1765
1766static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1767{
1768 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1769 wkr, sizeof(*wkr), lock);
1770}
1771
1772static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1773{
1774 int rc;
1775 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1776 if (rc!=SUCCESS)
1777 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1778 if (perm) {
1779 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1780 if (rc!=SUCCESS)
1781 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1782 }
1783 return rc;
1784}
1785
1786static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1787{
1788 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1789}
1790
1791static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1792{
1793 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1794}
1795
1796static int readConfigRid(struct airo_info *ai, int lock)
1797{
1798 int rc;
1799 ConfigRid cfg;
1800
1801 if (ai->config.len)
1802 return SUCCESS;
1803
1804 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1805 if (rc != SUCCESS)
1806 return rc;
1807
1808 ai->config = cfg;
1809 return SUCCESS;
1810}
1811
1812static inline void checkThrottle(struct airo_info *ai)
1813{
1814 int i;
1815
1816 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1817 for(i=0; i<8; i++) {
1818 if (ai->config.rates[i] > maxencrypt) {
1819 ai->config.rates[i] = 0;
1820 }
1821 }
1822 }
1823}
1824
1825static int writeConfigRid(struct airo_info *ai, int lock)
1826{
1827 ConfigRid cfgr;
1828
1829 if (!test_bit (FLAG_COMMIT, &ai->flags))
1830 return SUCCESS;
1831
1832 clear_bit (FLAG_COMMIT, &ai->flags);
1833 clear_bit (FLAG_RESET, &ai->flags);
1834 checkThrottle(ai);
1835 cfgr = ai->config;
1836
1837 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1838 set_bit(FLAG_ADHOC, &ai->flags);
1839 else
1840 clear_bit(FLAG_ADHOC, &ai->flags);
1841
1842 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1843}
1844
1845static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1846{
1847 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1848}
1849
1850static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1851{
1852 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1853}
1854
1855static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1856{
1857 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1858}
1859
1860static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1861{
1862 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1863}
1864
1865static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1866{
1867 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1868}
1869
1870static void try_auto_wep(struct airo_info *ai)
1871{
1872 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1873 ai->expires = RUN_AT(3*HZ);
1874 wake_up_interruptible(&ai->thr_wait);
1875 }
1876}
1877
1878static int airo_open(struct net_device *dev) {
1879 struct airo_info *ai = dev->ml_priv;
1880 int rc = 0;
1881
1882 if (test_bit(FLAG_FLASHING, &ai->flags))
1883 return -EIO;
1884
1885
1886
1887
1888
1889 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1890 disable_MAC(ai, 1);
1891 writeConfigRid(ai, 1);
1892 }
1893
1894 if (ai->wifidev != dev) {
1895 clear_bit(JOB_DIE, &ai->jobs);
1896 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1897 if (IS_ERR(ai->airo_thread_task))
1898 return (int)PTR_ERR(ai->airo_thread_task);
1899
1900 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1901 dev->name, dev);
1902 if (rc) {
1903 airo_print_err(dev->name,
1904 "register interrupt %d failed, rc %d",
1905 dev->irq, rc);
1906 set_bit(JOB_DIE, &ai->jobs);
1907 kthread_stop(ai->airo_thread_task);
1908 return rc;
1909 }
1910
1911
1912 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1913 enable_interrupts(ai);
1914
1915 try_auto_wep(ai);
1916 }
1917 enable_MAC(ai, 1);
1918
1919 netif_start_queue(dev);
1920 return 0;
1921}
1922
1923static netdev_tx_t mpi_start_xmit(struct sk_buff *skb,
1924 struct net_device *dev)
1925{
1926 int npacks, pending;
1927 unsigned long flags;
1928 struct airo_info *ai = dev->ml_priv;
1929
1930 if (!skb) {
1931 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
1932 return NETDEV_TX_OK;
1933 }
1934 npacks = skb_queue_len (&ai->txq);
1935
1936 if (npacks >= MAXTXQ - 1) {
1937 netif_stop_queue (dev);
1938 if (npacks > MAXTXQ) {
1939 dev->stats.tx_fifo_errors++;
1940 return NETDEV_TX_BUSY;
1941 }
1942 skb_queue_tail (&ai->txq, skb);
1943 return NETDEV_TX_OK;
1944 }
1945
1946 spin_lock_irqsave(&ai->aux_lock, flags);
1947 skb_queue_tail (&ai->txq, skb);
1948 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1949 spin_unlock_irqrestore(&ai->aux_lock,flags);
1950 netif_wake_queue (dev);
1951
1952 if (pending == 0) {
1953 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1954 mpi_send_packet (dev);
1955 }
1956 return NETDEV_TX_OK;
1957}
1958
1959
1960
1961
1962
1963
1964
1965
1966static int mpi_send_packet (struct net_device *dev)
1967{
1968 struct sk_buff *skb;
1969 unsigned char *buffer;
1970 s16 len;
1971 __le16 *payloadLen;
1972 struct airo_info *ai = dev->ml_priv;
1973 u8 *sendbuf;
1974
1975
1976
1977 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1978 airo_print_err(dev->name,
1979 "%s: Dequeue'd zero in send_packet()",
1980 __func__);
1981 return 0;
1982 }
1983
1984
1985 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1986 buffer = skb->data;
1987
1988 ai->txfids[0].tx_desc.offset = 0;
1989 ai->txfids[0].tx_desc.valid = 1;
1990 ai->txfids[0].tx_desc.eoc = 1;
1991 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001 memcpy((char *)ai->txfids[0].virtual_host_addr,
2002 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2003
2004 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
2005 sizeof(wifictlhdr8023));
2006 sendbuf = ai->txfids[0].virtual_host_addr +
2007 sizeof(wifictlhdr8023) + 2 ;
2008
2009
2010
2011
2012
2013 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2014 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2015 MICBuffer pMic;
2016
2017 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2018 return ERROR;
2019
2020 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2021 ai->txfids[0].tx_desc.len += sizeof(pMic);
2022
2023 memcpy (sendbuf, buffer, sizeof(etherHead));
2024 buffer += sizeof(etherHead);
2025 sendbuf += sizeof(etherHead);
2026 memcpy (sendbuf, &pMic, sizeof(pMic));
2027 sendbuf += sizeof(pMic);
2028 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2029 } else {
2030 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2031
2032 dev->trans_start = jiffies;
2033
2034
2035 memcpy(sendbuf, buffer, len);
2036 }
2037
2038 memcpy_toio(ai->txfids[0].card_ram_off,
2039 &ai->txfids[0].tx_desc, sizeof(TxFid));
2040
2041 OUT4500(ai, EVACK, 8);
2042
2043 dev_kfree_skb_any(skb);
2044 return 1;
2045}
2046
2047static void get_tx_error(struct airo_info *ai, s32 fid)
2048{
2049 __le16 status;
2050
2051 if (fid < 0)
2052 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2053 else {
2054 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2055 return;
2056 bap_read(ai, &status, 2, BAP0);
2057 }
2058 if (le16_to_cpu(status) & 2)
2059 ai->dev->stats.tx_aborted_errors++;
2060 if (le16_to_cpu(status) & 4)
2061 ai->dev->stats.tx_heartbeat_errors++;
2062 if (le16_to_cpu(status) & 8)
2063 { }
2064 if (le16_to_cpu(status) & 0x10)
2065 ai->dev->stats.tx_carrier_errors++;
2066 if (le16_to_cpu(status) & 0x20)
2067 { }
2068
2069
2070
2071
2072 if ((le16_to_cpu(status) & 2) ||
2073 (le16_to_cpu(status) & 4)) {
2074 union iwreq_data wrqu;
2075 char junk[0x18];
2076
2077
2078
2079
2080 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2091 wrqu.addr.sa_family = ARPHRD_ETHER;
2092
2093
2094 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2095 }
2096}
2097
2098static void airo_end_xmit(struct net_device *dev) {
2099 u16 status;
2100 int i;
2101 struct airo_info *priv = dev->ml_priv;
2102 struct sk_buff *skb = priv->xmit.skb;
2103 int fid = priv->xmit.fid;
2104 u32 *fids = priv->fids;
2105
2106 clear_bit(JOB_XMIT, &priv->jobs);
2107 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2108 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2109 up(&priv->sem);
2110
2111 i = 0;
2112 if ( status == SUCCESS ) {
2113 dev->trans_start = jiffies;
2114 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2115 } else {
2116 priv->fids[fid] &= 0xffff;
2117 dev->stats.tx_window_errors++;
2118 }
2119 if (i < MAX_FIDS / 2)
2120 netif_wake_queue(dev);
2121 dev_kfree_skb(skb);
2122}
2123
2124static netdev_tx_t airo_start_xmit(struct sk_buff *skb,
2125 struct net_device *dev)
2126{
2127 s16 len;
2128 int i, j;
2129 struct airo_info *priv = dev->ml_priv;
2130 u32 *fids = priv->fids;
2131
2132 if ( skb == NULL ) {
2133 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2134 return NETDEV_TX_OK;
2135 }
2136
2137
2138 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2139 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2140
2141 if ( j >= MAX_FIDS / 2 ) {
2142 netif_stop_queue(dev);
2143
2144 if (i == MAX_FIDS / 2) {
2145 dev->stats.tx_fifo_errors++;
2146 return NETDEV_TX_BUSY;
2147 }
2148 }
2149
2150 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2151
2152 fids[i] |= (len << 16);
2153 priv->xmit.skb = skb;
2154 priv->xmit.fid = i;
2155 if (down_trylock(&priv->sem) != 0) {
2156 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2157 netif_stop_queue(dev);
2158 set_bit(JOB_XMIT, &priv->jobs);
2159 wake_up_interruptible(&priv->thr_wait);
2160 } else
2161 airo_end_xmit(dev);
2162 return NETDEV_TX_OK;
2163}
2164
2165static void airo_end_xmit11(struct net_device *dev) {
2166 u16 status;
2167 int i;
2168 struct airo_info *priv = dev->ml_priv;
2169 struct sk_buff *skb = priv->xmit11.skb;
2170 int fid = priv->xmit11.fid;
2171 u32 *fids = priv->fids;
2172
2173 clear_bit(JOB_XMIT11, &priv->jobs);
2174 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2175 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2176 up(&priv->sem);
2177
2178 i = MAX_FIDS / 2;
2179 if ( status == SUCCESS ) {
2180 dev->trans_start = jiffies;
2181 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2182 } else {
2183 priv->fids[fid] &= 0xffff;
2184 dev->stats.tx_window_errors++;
2185 }
2186 if (i < MAX_FIDS)
2187 netif_wake_queue(dev);
2188 dev_kfree_skb(skb);
2189}
2190
2191static netdev_tx_t airo_start_xmit11(struct sk_buff *skb,
2192 struct net_device *dev)
2193{
2194 s16 len;
2195 int i, j;
2196 struct airo_info *priv = dev->ml_priv;
2197 u32 *fids = priv->fids;
2198
2199 if (test_bit(FLAG_MPI, &priv->flags)) {
2200
2201 netif_stop_queue(dev);
2202 dev_kfree_skb_any(skb);
2203 return NETDEV_TX_OK;
2204 }
2205
2206 if ( skb == NULL ) {
2207 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2208 return NETDEV_TX_OK;
2209 }
2210
2211
2212 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2213 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2214
2215 if ( j >= MAX_FIDS ) {
2216 netif_stop_queue(dev);
2217
2218 if (i == MAX_FIDS) {
2219 dev->stats.tx_fifo_errors++;
2220 return NETDEV_TX_BUSY;
2221 }
2222 }
2223
2224 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2225
2226 fids[i] |= (len << 16);
2227 priv->xmit11.skb = skb;
2228 priv->xmit11.fid = i;
2229 if (down_trylock(&priv->sem) != 0) {
2230 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2231 netif_stop_queue(dev);
2232 set_bit(JOB_XMIT11, &priv->jobs);
2233 wake_up_interruptible(&priv->thr_wait);
2234 } else
2235 airo_end_xmit11(dev);
2236 return NETDEV_TX_OK;
2237}
2238
2239static void airo_read_stats(struct net_device *dev)
2240{
2241 struct airo_info *ai = dev->ml_priv;
2242 StatsRid stats_rid;
2243 __le32 *vals = stats_rid.vals;
2244
2245 clear_bit(JOB_STATS, &ai->jobs);
2246 if (ai->power.event) {
2247 up(&ai->sem);
2248 return;
2249 }
2250 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2251 up(&ai->sem);
2252
2253 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2254 le32_to_cpu(vals[45]);
2255 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2256 le32_to_cpu(vals[41]);
2257 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2258 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2259 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2260 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2261 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2262 dev->stats.tx_fifo_errors;
2263 dev->stats.multicast = le32_to_cpu(vals[43]);
2264 dev->stats.collisions = le32_to_cpu(vals[89]);
2265
2266
2267 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2268 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2269 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2270 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
2271}
2272
2273static struct net_device_stats *airo_get_stats(struct net_device *dev)
2274{
2275 struct airo_info *local = dev->ml_priv;
2276
2277 if (!test_bit(JOB_STATS, &local->jobs)) {
2278
2279 if (down_trylock(&local->sem) != 0) {
2280 set_bit(JOB_STATS, &local->jobs);
2281 wake_up_interruptible(&local->thr_wait);
2282 } else
2283 airo_read_stats(dev);
2284 }
2285
2286 return &dev->stats;
2287}
2288
2289static void airo_set_promisc(struct airo_info *ai) {
2290 Cmd cmd;
2291 Resp rsp;
2292
2293 memset(&cmd, 0, sizeof(cmd));
2294 cmd.cmd=CMD_SETMODE;
2295 clear_bit(JOB_PROMISC, &ai->jobs);
2296 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2297 issuecommand(ai, &cmd, &rsp);
2298 up(&ai->sem);
2299}
2300
2301static void airo_set_multicast_list(struct net_device *dev) {
2302 struct airo_info *ai = dev->ml_priv;
2303
2304 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2305 change_bit(FLAG_PROMISC, &ai->flags);
2306 if (down_trylock(&ai->sem) != 0) {
2307 set_bit(JOB_PROMISC, &ai->jobs);
2308 wake_up_interruptible(&ai->thr_wait);
2309 } else
2310 airo_set_promisc(ai);
2311 }
2312
2313 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2314
2315 }
2316}
2317
2318static int airo_set_mac_address(struct net_device *dev, void *p)
2319{
2320 struct airo_info *ai = dev->ml_priv;
2321 struct sockaddr *addr = p;
2322
2323 readConfigRid(ai, 1);
2324 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2325 set_bit (FLAG_COMMIT, &ai->flags);
2326 disable_MAC(ai, 1);
2327 writeConfigRid (ai, 1);
2328 enable_MAC(ai, 1);
2329 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2330 if (ai->wifidev)
2331 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2332 return 0;
2333}
2334
2335static int airo_change_mtu(struct net_device *dev, int new_mtu)
2336{
2337 if ((new_mtu < 68) || (new_mtu > 2400))
2338 return -EINVAL;
2339 dev->mtu = new_mtu;
2340 return 0;
2341}
2342
2343static LIST_HEAD(airo_devices);
2344
2345static void add_airo_dev(struct airo_info *ai)
2346{
2347
2348
2349 if (!ai->pci)
2350 list_add_tail(&ai->dev_list, &airo_devices);
2351}
2352
2353static void del_airo_dev(struct airo_info *ai)
2354{
2355 if (!ai->pci)
2356 list_del(&ai->dev_list);
2357}
2358
2359static int airo_close(struct net_device *dev) {
2360 struct airo_info *ai = dev->ml_priv;
2361
2362 netif_stop_queue(dev);
2363
2364 if (ai->wifidev != dev) {
2365#ifdef POWER_ON_DOWN
2366
2367
2368
2369
2370
2371 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2372 disable_MAC(ai, 1);
2373#endif
2374 disable_interrupts( ai );
2375
2376 free_irq(dev->irq, dev);
2377
2378 set_bit(JOB_DIE, &ai->jobs);
2379 kthread_stop(ai->airo_thread_task);
2380 }
2381 return 0;
2382}
2383
2384void stop_airo_card( struct net_device *dev, int freeres )
2385{
2386 struct airo_info *ai = dev->ml_priv;
2387
2388 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2389 disable_MAC(ai, 1);
2390 disable_interrupts(ai);
2391 takedown_proc_entry( dev, ai );
2392 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2393 unregister_netdev( dev );
2394 if (ai->wifidev) {
2395 unregister_netdev(ai->wifidev);
2396 free_netdev(ai->wifidev);
2397 ai->wifidev = NULL;
2398 }
2399 clear_bit(FLAG_REGISTERED, &ai->flags);
2400 }
2401
2402
2403
2404 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2405 struct sk_buff *skb = NULL;
2406 for (;(skb = skb_dequeue(&ai->txq));)
2407 dev_kfree_skb(skb);
2408 }
2409
2410 airo_networks_free (ai);
2411
2412 kfree(ai->flash);
2413 kfree(ai->rssi);
2414 kfree(ai->APList);
2415 kfree(ai->SSID);
2416 if (freeres) {
2417
2418 release_region( dev->base_addr, 64 );
2419 if (test_bit(FLAG_MPI, &ai->flags)) {
2420 if (ai->pci)
2421 mpi_unmap_card(ai->pci);
2422 if (ai->pcimem)
2423 iounmap(ai->pcimem);
2424 if (ai->pciaux)
2425 iounmap(ai->pciaux);
2426 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2427 ai->shared, ai->shared_dma);
2428 }
2429 }
2430 crypto_free_cipher(ai->tfm);
2431 del_airo_dev(ai);
2432 free_netdev( dev );
2433}
2434
2435EXPORT_SYMBOL(stop_airo_card);
2436
2437static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2438{
2439 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2440 return ETH_ALEN;
2441}
2442
2443static void mpi_unmap_card(struct pci_dev *pci)
2444{
2445 unsigned long mem_start = pci_resource_start(pci, 1);
2446 unsigned long mem_len = pci_resource_len(pci, 1);
2447 unsigned long aux_start = pci_resource_start(pci, 2);
2448 unsigned long aux_len = AUXMEMSIZE;
2449
2450 release_mem_region(aux_start, aux_len);
2451 release_mem_region(mem_start, mem_len);
2452}
2453
2454
2455
2456
2457
2458
2459
2460
2461static int mpi_init_descriptors (struct airo_info *ai)
2462{
2463 Cmd cmd;
2464 Resp rsp;
2465 int i;
2466 int rc = SUCCESS;
2467
2468
2469 netif_stop_queue(ai->dev);
2470
2471 memset(&rsp,0,sizeof(rsp));
2472 memset(&cmd,0,sizeof(cmd));
2473
2474 cmd.cmd = CMD_ALLOCATEAUX;
2475 cmd.parm0 = FID_RX;
2476 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2477 cmd.parm2 = MPI_MAX_FIDS;
2478 rc=issuecommand(ai, &cmd, &rsp);
2479 if (rc != SUCCESS) {
2480 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2481 return rc;
2482 }
2483
2484 for (i=0; i<MPI_MAX_FIDS; i++) {
2485 memcpy_toio(ai->rxfids[i].card_ram_off,
2486 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2487 }
2488
2489
2490
2491 memset(&rsp,0,sizeof(rsp));
2492 memset(&cmd,0,sizeof(cmd));
2493
2494 cmd.cmd = CMD_ALLOCATEAUX;
2495 cmd.parm0 = FID_TX;
2496 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2497 cmd.parm2 = MPI_MAX_FIDS;
2498
2499 for (i=0; i<MPI_MAX_FIDS; i++) {
2500 ai->txfids[i].tx_desc.valid = 1;
2501 memcpy_toio(ai->txfids[i].card_ram_off,
2502 &ai->txfids[i].tx_desc, sizeof(TxFid));
2503 }
2504 ai->txfids[i-1].tx_desc.eoc = 1;
2505
2506 rc=issuecommand(ai, &cmd, &rsp);
2507 if (rc != SUCCESS) {
2508 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2509 return rc;
2510 }
2511
2512
2513 memset(&rsp,0,sizeof(rsp));
2514 memset(&cmd,0,sizeof(cmd));
2515
2516 cmd.cmd = CMD_ALLOCATEAUX;
2517 cmd.parm0 = RID_RW;
2518 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2519 cmd.parm2 = 1;
2520 rc=issuecommand(ai, &cmd, &rsp);
2521 if (rc != SUCCESS) {
2522 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2523 return rc;
2524 }
2525
2526 memcpy_toio(ai->config_desc.card_ram_off,
2527 &ai->config_desc.rid_desc, sizeof(Rid));
2528
2529 return rc;
2530}
2531
2532
2533
2534
2535
2536
2537
2538static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2539{
2540 unsigned long mem_start, mem_len, aux_start, aux_len;
2541 int rc = -1;
2542 int i;
2543 dma_addr_t busaddroff;
2544 unsigned char *vpackoff;
2545 unsigned char __iomem *pciaddroff;
2546
2547 mem_start = pci_resource_start(pci, 1);
2548 mem_len = pci_resource_len(pci, 1);
2549 aux_start = pci_resource_start(pci, 2);
2550 aux_len = AUXMEMSIZE;
2551
2552 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2553 airo_print_err("", "Couldn't get region %x[%x]",
2554 (int)mem_start, (int)mem_len);
2555 goto out;
2556 }
2557 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2558 airo_print_err("", "Couldn't get region %x[%x]",
2559 (int)aux_start, (int)aux_len);
2560 goto free_region1;
2561 }
2562
2563 ai->pcimem = ioremap(mem_start, mem_len);
2564 if (!ai->pcimem) {
2565 airo_print_err("", "Couldn't map region %x[%x]",
2566 (int)mem_start, (int)mem_len);
2567 goto free_region2;
2568 }
2569 ai->pciaux = ioremap(aux_start, aux_len);
2570 if (!ai->pciaux) {
2571 airo_print_err("", "Couldn't map region %x[%x]",
2572 (int)aux_start, (int)aux_len);
2573 goto free_memmap;
2574 }
2575
2576
2577 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2578 if (!ai->shared) {
2579 airo_print_err("", "Couldn't alloc_consistent %d",
2580 PCI_SHARED_LEN);
2581 goto free_auxmap;
2582 }
2583
2584
2585
2586
2587 busaddroff = ai->shared_dma;
2588 pciaddroff = ai->pciaux + AUX_OFFSET;
2589 vpackoff = ai->shared;
2590
2591
2592 for(i = 0; i < MPI_MAX_FIDS; i++) {
2593 ai->rxfids[i].pending = 0;
2594 ai->rxfids[i].card_ram_off = pciaddroff;
2595 ai->rxfids[i].virtual_host_addr = vpackoff;
2596 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2597 ai->rxfids[i].rx_desc.valid = 1;
2598 ai->rxfids[i].rx_desc.len = PKTSIZE;
2599 ai->rxfids[i].rx_desc.rdy = 0;
2600
2601 pciaddroff += sizeof(RxFid);
2602 busaddroff += PKTSIZE;
2603 vpackoff += PKTSIZE;
2604 }
2605
2606
2607 for(i = 0; i < MPI_MAX_FIDS; i++) {
2608 ai->txfids[i].card_ram_off = pciaddroff;
2609 ai->txfids[i].virtual_host_addr = vpackoff;
2610 ai->txfids[i].tx_desc.valid = 1;
2611 ai->txfids[i].tx_desc.host_addr = busaddroff;
2612 memcpy(ai->txfids[i].virtual_host_addr,
2613 &wifictlhdr8023, sizeof(wifictlhdr8023));
2614
2615 pciaddroff += sizeof(TxFid);
2616 busaddroff += PKTSIZE;
2617 vpackoff += PKTSIZE;
2618 }
2619 ai->txfids[i-1].tx_desc.eoc = 1;
2620
2621
2622 ai->config_desc.card_ram_off = pciaddroff;
2623 ai->config_desc.virtual_host_addr = vpackoff;
2624 ai->config_desc.rid_desc.host_addr = busaddroff;
2625 ai->ridbus = busaddroff;
2626 ai->config_desc.rid_desc.rid = 0;
2627 ai->config_desc.rid_desc.len = RIDSIZE;
2628 ai->config_desc.rid_desc.valid = 1;
2629 pciaddroff += sizeof(Rid);
2630 busaddroff += RIDSIZE;
2631 vpackoff += RIDSIZE;
2632
2633
2634 if (mpi_init_descriptors (ai) != SUCCESS)
2635 goto free_shared;
2636
2637 return 0;
2638 free_shared:
2639 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2640 free_auxmap:
2641 iounmap(ai->pciaux);
2642 free_memmap:
2643 iounmap(ai->pcimem);
2644 free_region2:
2645 release_mem_region(aux_start, aux_len);
2646 free_region1:
2647 release_mem_region(mem_start, mem_len);
2648 out:
2649 return rc;
2650}
2651
2652static const struct header_ops airo_header_ops = {
2653 .parse = wll_header_parse,
2654};
2655
2656static const struct net_device_ops airo11_netdev_ops = {
2657 .ndo_open = airo_open,
2658 .ndo_stop = airo_close,
2659 .ndo_start_xmit = airo_start_xmit11,
2660 .ndo_get_stats = airo_get_stats,
2661 .ndo_set_mac_address = airo_set_mac_address,
2662 .ndo_do_ioctl = airo_ioctl,
2663 .ndo_change_mtu = airo_change_mtu,
2664};
2665
2666static void wifi_setup(struct net_device *dev)
2667{
2668 dev->netdev_ops = &airo11_netdev_ops;
2669 dev->header_ops = &airo_header_ops;
2670 dev->wireless_handlers = &airo_handler_def;
2671
2672 dev->type = ARPHRD_IEEE80211;
2673 dev->hard_header_len = ETH_HLEN;
2674 dev->mtu = AIRO_DEF_MTU;
2675 dev->addr_len = ETH_ALEN;
2676 dev->tx_queue_len = 100;
2677
2678 memset(dev->broadcast,0xFF, ETH_ALEN);
2679
2680 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2681}
2682
2683static struct net_device *init_wifidev(struct airo_info *ai,
2684 struct net_device *ethdev)
2685{
2686 int err;
2687 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2688 if (!dev)
2689 return NULL;
2690 dev->ml_priv = ethdev->ml_priv;
2691 dev->irq = ethdev->irq;
2692 dev->base_addr = ethdev->base_addr;
2693 dev->wireless_data = ethdev->wireless_data;
2694 SET_NETDEV_DEV(dev, ethdev->dev.parent);
2695 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2696 err = register_netdev(dev);
2697 if (err<0) {
2698 free_netdev(dev);
2699 return NULL;
2700 }
2701 return dev;
2702}
2703
2704static int reset_card( struct net_device *dev , int lock) {
2705 struct airo_info *ai = dev->ml_priv;
2706
2707 if (lock && down_interruptible(&ai->sem))
2708 return -1;
2709 waitbusy (ai);
2710 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2711 msleep(200);
2712 waitbusy (ai);
2713 msleep(200);
2714 if (lock)
2715 up(&ai->sem);
2716 return 0;
2717}
2718
2719#define AIRO_MAX_NETWORK_COUNT 64
2720static int airo_networks_allocate(struct airo_info *ai)
2721{
2722 if (ai->networks)
2723 return 0;
2724
2725 ai->networks =
2726 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2727 GFP_KERNEL);
2728 if (!ai->networks) {
2729 airo_print_warn("", "Out of memory allocating beacons");
2730 return -ENOMEM;
2731 }
2732
2733 return 0;
2734}
2735
2736static void airo_networks_free(struct airo_info *ai)
2737{
2738 kfree(ai->networks);
2739 ai->networks = NULL;
2740}
2741
2742static void airo_networks_initialize(struct airo_info *ai)
2743{
2744 int i;
2745
2746 INIT_LIST_HEAD(&ai->network_free_list);
2747 INIT_LIST_HEAD(&ai->network_list);
2748 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2749 list_add_tail(&ai->networks[i].list,
2750 &ai->network_free_list);
2751}
2752
2753static const struct net_device_ops airo_netdev_ops = {
2754 .ndo_open = airo_open,
2755 .ndo_stop = airo_close,
2756 .ndo_start_xmit = airo_start_xmit,
2757 .ndo_get_stats = airo_get_stats,
2758 .ndo_set_multicast_list = airo_set_multicast_list,
2759 .ndo_set_mac_address = airo_set_mac_address,
2760 .ndo_do_ioctl = airo_ioctl,
2761 .ndo_change_mtu = airo_change_mtu,
2762 .ndo_validate_addr = eth_validate_addr,
2763};
2764
2765static const struct net_device_ops mpi_netdev_ops = {
2766 .ndo_open = airo_open,
2767 .ndo_stop = airo_close,
2768 .ndo_start_xmit = mpi_start_xmit,
2769 .ndo_get_stats = airo_get_stats,
2770 .ndo_set_multicast_list = airo_set_multicast_list,
2771 .ndo_set_mac_address = airo_set_mac_address,
2772 .ndo_do_ioctl = airo_ioctl,
2773 .ndo_change_mtu = airo_change_mtu,
2774 .ndo_validate_addr = eth_validate_addr,
2775};
2776
2777
2778static struct net_device *_init_airo_card( unsigned short irq, int port,
2779 int is_pcmcia, struct pci_dev *pci,
2780 struct device *dmdev )
2781{
2782 struct net_device *dev;
2783 struct airo_info *ai;
2784 int i, rc;
2785 CapabilityRid cap_rid;
2786
2787
2788 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2789 if (!dev) {
2790 airo_print_err("", "Couldn't alloc_etherdev");
2791 return NULL;
2792 }
2793
2794 ai = dev->ml_priv = netdev_priv(dev);
2795 ai->wifidev = NULL;
2796 ai->flags = 1 << FLAG_RADIO_DOWN;
2797 ai->jobs = 0;
2798 ai->dev = dev;
2799 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2800 airo_print_dbg("", "Found an MPI350 card");
2801 set_bit(FLAG_MPI, &ai->flags);
2802 }
2803 spin_lock_init(&ai->aux_lock);
2804 sema_init(&ai->sem, 1);
2805 ai->config.len = 0;
2806 ai->pci = pci;
2807 init_waitqueue_head (&ai->thr_wait);
2808 ai->tfm = NULL;
2809 add_airo_dev(ai);
2810
2811 if (airo_networks_allocate (ai))
2812 goto err_out_free;
2813 airo_networks_initialize (ai);
2814
2815 skb_queue_head_init (&ai->txq);
2816
2817
2818 if (test_bit(FLAG_MPI,&ai->flags))
2819 dev->netdev_ops = &mpi_netdev_ops;
2820 else
2821 dev->netdev_ops = &airo_netdev_ops;
2822 dev->wireless_handlers = &airo_handler_def;
2823 ai->wireless_data.spy_data = &ai->spy_data;
2824 dev->wireless_data = &ai->wireless_data;
2825 dev->irq = irq;
2826 dev->base_addr = port;
2827
2828 SET_NETDEV_DEV(dev, dmdev);
2829
2830 reset_card (dev, 1);
2831 msleep(400);
2832
2833 if (!is_pcmcia) {
2834 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2835 rc = -EBUSY;
2836 airo_print_err(dev->name, "Couldn't request region");
2837 goto err_out_nets;
2838 }
2839 }
2840
2841 if (test_bit(FLAG_MPI,&ai->flags)) {
2842 if (mpi_map_card(ai, pci)) {
2843 airo_print_err("", "Could not map memory");
2844 goto err_out_res;
2845 }
2846 }
2847
2848 if (probe) {
2849 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
2850 airo_print_err(dev->name, "MAC could not be enabled" );
2851 rc = -EIO;
2852 goto err_out_map;
2853 }
2854 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2855 ai->bap_read = fast_bap_read;
2856 set_bit(FLAG_FLASHING, &ai->flags);
2857 }
2858
2859 strcpy(dev->name, "eth%d");
2860 rc = register_netdev(dev);
2861 if (rc) {
2862 airo_print_err(dev->name, "Couldn't register_netdev");
2863 goto err_out_map;
2864 }
2865 ai->wifidev = init_wifidev(ai, dev);
2866 if (!ai->wifidev)
2867 goto err_out_reg;
2868
2869 rc = readCapabilityRid(ai, &cap_rid, 1);
2870 if (rc != SUCCESS) {
2871 rc = -EIO;
2872 goto err_out_wifi;
2873 }
2874
2875 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2876 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
2877
2878 airo_print_info(dev->name, "Firmware version %x.%x.%02x",
2879 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2880 (le16_to_cpu(cap_rid.softVer) & 0xFF),
2881 le16_to_cpu(cap_rid.softSubVer));
2882
2883
2884
2885 if (le16_to_cpu(cap_rid.softVer) > 0x530
2886 || (le16_to_cpu(cap_rid.softVer) == 0x530
2887 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2888 airo_print_info(ai->dev->name, "WPA supported.");
2889
2890 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2891 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2892 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2893 ai->bssListRidLen = sizeof(BSSListRid);
2894 } else {
2895 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2896 "versions older than 5.30.17.");
2897
2898 ai->bssListFirst = RID_BSSLISTFIRST;
2899 ai->bssListNext = RID_BSSLISTNEXT;
2900 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2901 }
2902
2903 set_bit(FLAG_REGISTERED,&ai->flags);
2904 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2905
2906
2907 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2908 for( i = 0; i < MAX_FIDS; i++ )
2909 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2910
2911 if (setup_proc_entry(dev, dev->ml_priv) < 0)
2912 goto err_out_wifi;
2913
2914 return dev;
2915
2916err_out_wifi:
2917 unregister_netdev(ai->wifidev);
2918 free_netdev(ai->wifidev);
2919err_out_reg:
2920 unregister_netdev(dev);
2921err_out_map:
2922 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2923 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2924 iounmap(ai->pciaux);
2925 iounmap(ai->pcimem);
2926 mpi_unmap_card(ai->pci);
2927 }
2928err_out_res:
2929 if (!is_pcmcia)
2930 release_region( dev->base_addr, 64 );
2931err_out_nets:
2932 airo_networks_free(ai);
2933 del_airo_dev(ai);
2934err_out_free:
2935 free_netdev(dev);
2936 return NULL;
2937}
2938
2939struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2940 struct device *dmdev)
2941{
2942 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2943}
2944
2945EXPORT_SYMBOL(init_airo_card);
2946
2947static int waitbusy (struct airo_info *ai) {
2948 int delay = 0;
2949 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
2950 udelay (10);
2951 if ((++delay % 20) == 0)
2952 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2953 }
2954 return delay < 10000;
2955}
2956
2957int reset_airo_card( struct net_device *dev )
2958{
2959 int i;
2960 struct airo_info *ai = dev->ml_priv;
2961
2962 if (reset_card (dev, 1))
2963 return -1;
2964
2965 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2966 airo_print_err(dev->name, "MAC could not be enabled");
2967 return -1;
2968 }
2969 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2970
2971 if (!test_bit(FLAG_MPI,&ai->flags))
2972 for( i = 0; i < MAX_FIDS; i++ )
2973 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2974
2975 enable_interrupts( ai );
2976 netif_wake_queue(dev);
2977 return 0;
2978}
2979
2980EXPORT_SYMBOL(reset_airo_card);
2981
2982static void airo_send_event(struct net_device *dev) {
2983 struct airo_info *ai = dev->ml_priv;
2984 union iwreq_data wrqu;
2985 StatusRid status_rid;
2986
2987 clear_bit(JOB_EVENT, &ai->jobs);
2988 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2989 up(&ai->sem);
2990 wrqu.data.length = 0;
2991 wrqu.data.flags = 0;
2992 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2993 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2994
2995
2996 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2997}
2998
2999static void airo_process_scan_results (struct airo_info *ai) {
3000 union iwreq_data wrqu;
3001 BSSListRid bss;
3002 int rc;
3003 BSSListElement * loop_net;
3004 BSSListElement * tmp_net;
3005
3006
3007 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3008 list_move_tail (&loop_net->list, &ai->network_free_list);
3009
3010 memset (loop_net, 0, sizeof (loop_net->bss));
3011 }
3012
3013
3014 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3015 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
3016
3017 goto out;
3018 }
3019
3020
3021 tmp_net = NULL;
3022 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
3023
3024 if (!list_empty(&ai->network_free_list)) {
3025 tmp_net = list_entry(ai->network_free_list.next,
3026 BSSListElement, list);
3027 list_del(ai->network_free_list.next);
3028 }
3029
3030 if (tmp_net != NULL) {
3031 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3032 list_add_tail(&tmp_net->list, &ai->network_list);
3033 tmp_net = NULL;
3034 }
3035
3036
3037 rc = PC4500_readrid(ai, ai->bssListNext,
3038 &bss, ai->bssListRidLen, 0);
3039 }
3040
3041out:
3042 ai->scan_timeout = 0;
3043 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3044 up(&ai->sem);
3045
3046
3047
3048
3049
3050
3051
3052
3053 wrqu.data.length = 0;
3054 wrqu.data.flags = 0;
3055 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3056}
3057
3058static int airo_thread(void *data) {
3059 struct net_device *dev = data;
3060 struct airo_info *ai = dev->ml_priv;
3061 int locked;
3062
3063 set_freezable();
3064 while(1) {
3065
3066 try_to_freeze();
3067
3068 if (test_bit(JOB_DIE, &ai->jobs))
3069 break;
3070
3071 if (ai->jobs) {
3072 locked = down_interruptible(&ai->sem);
3073 } else {
3074 wait_queue_t wait;
3075
3076 init_waitqueue_entry(&wait, current);
3077 add_wait_queue(&ai->thr_wait, &wait);
3078 for (;;) {
3079 set_current_state(TASK_INTERRUPTIBLE);
3080 if (ai->jobs)
3081 break;
3082 if (ai->expires || ai->scan_timeout) {
3083 if (ai->scan_timeout &&
3084 time_after_eq(jiffies,ai->scan_timeout)){
3085 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3086 break;
3087 } else if (ai->expires &&
3088 time_after_eq(jiffies,ai->expires)){
3089 set_bit(JOB_AUTOWEP, &ai->jobs);
3090 break;
3091 }
3092 if (!kthread_should_stop() &&
3093 !freezing(current)) {
3094 unsigned long wake_at;
3095 if (!ai->expires || !ai->scan_timeout) {
3096 wake_at = max(ai->expires,
3097 ai->scan_timeout);
3098 } else {
3099 wake_at = min(ai->expires,
3100 ai->scan_timeout);
3101 }
3102 schedule_timeout(wake_at - jiffies);
3103 continue;
3104 }
3105 } else if (!kthread_should_stop() &&
3106 !freezing(current)) {
3107 schedule();
3108 continue;
3109 }
3110 break;
3111 }
3112 current->state = TASK_RUNNING;
3113 remove_wait_queue(&ai->thr_wait, &wait);
3114 locked = 1;
3115 }
3116
3117 if (locked)
3118 continue;
3119
3120 if (test_bit(JOB_DIE, &ai->jobs)) {
3121 up(&ai->sem);
3122 break;
3123 }
3124
3125 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3126 up(&ai->sem);
3127 continue;
3128 }
3129
3130 if (test_bit(JOB_XMIT, &ai->jobs))
3131 airo_end_xmit(dev);
3132 else if (test_bit(JOB_XMIT11, &ai->jobs))
3133 airo_end_xmit11(dev);
3134 else if (test_bit(JOB_STATS, &ai->jobs))
3135 airo_read_stats(dev);
3136 else if (test_bit(JOB_WSTATS, &ai->jobs))
3137 airo_read_wireless_stats(ai);
3138 else if (test_bit(JOB_PROMISC, &ai->jobs))
3139 airo_set_promisc(ai);
3140 else if (test_bit(JOB_MIC, &ai->jobs))
3141 micinit(ai);
3142 else if (test_bit(JOB_EVENT, &ai->jobs))
3143 airo_send_event(dev);
3144 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3145 timer_func(dev);
3146 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3147 airo_process_scan_results(ai);
3148 else
3149 up(&ai->sem);
3150 }
3151
3152 return 0;
3153}
3154
3155static int header_len(__le16 ctl)
3156{
3157 u16 fc = le16_to_cpu(ctl);
3158 switch (fc & 0xc) {
3159 case 4:
3160 if ((fc & 0xe0) == 0xc0)
3161 return 10;
3162 return 16;
3163 case 8:
3164 if ((fc & 0x300) == 0x300)
3165 return 30;
3166 }
3167 return 24;
3168}
3169
3170static void airo_handle_cisco_mic(struct airo_info *ai)
3171{
3172 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3173 set_bit(JOB_MIC, &ai->jobs);
3174 wake_up_interruptible(&ai->thr_wait);
3175 }
3176}
3177
3178
3179#define STAT_NOBEACON 0x8000
3180#define STAT_MAXRETRIES 0x8001
3181#define STAT_MAXARL 0x8002
3182#define STAT_FORCELOSS 0x8003
3183#define STAT_TSFSYNC 0x8004
3184#define STAT_DEAUTH 0x8100
3185#define STAT_DISASSOC 0x8200
3186#define STAT_ASSOC_FAIL 0x8400
3187#define STAT_AUTH_FAIL 0x0300
3188#define STAT_ASSOC 0x0400
3189#define STAT_REASSOC 0x0600
3190
3191static void airo_print_status(const char *devname, u16 status)
3192{
3193 u8 reason = status & 0xFF;
3194
3195 switch (status) {
3196 case STAT_NOBEACON:
3197 airo_print_dbg(devname, "link lost (missed beacons)");
3198 break;
3199 case STAT_MAXRETRIES:
3200 case STAT_MAXARL:
3201 airo_print_dbg(devname, "link lost (max retries)");
3202 break;
3203 case STAT_FORCELOSS:
3204 airo_print_dbg(devname, "link lost (local choice)");
3205 break;
3206 case STAT_TSFSYNC:
3207 airo_print_dbg(devname, "link lost (TSF sync lost)");
3208 break;
3209 case STAT_DEAUTH:
3210 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3211 break;
3212 case STAT_DISASSOC:
3213 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3214 break;
3215 case STAT_ASSOC_FAIL:
3216 airo_print_dbg(devname, "association failed (reason: %d)",
3217 reason);
3218 break;
3219 case STAT_AUTH_FAIL:
3220 airo_print_dbg(devname, "authentication failed (reason: %d)",
3221 reason);
3222 break;
3223 default:
3224 break;
3225 }
3226}
3227
3228static void airo_handle_link(struct airo_info *ai)
3229{
3230 union iwreq_data wrqu;
3231 int scan_forceloss = 0;
3232 u16 status;
3233
3234
3235 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3236 OUT4500(ai, EVACK, EV_LINK);
3237
3238 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3239 scan_forceloss = 1;
3240
3241 airo_print_status(ai->dev->name, status);
3242
3243 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3244 if (auto_wep)
3245 ai->expires = 0;
3246 if (ai->list_bss_task)
3247 wake_up_process(ai->list_bss_task);
3248 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3249 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3250
3251 if (down_trylock(&ai->sem) != 0) {
3252 set_bit(JOB_EVENT, &ai->jobs);
3253 wake_up_interruptible(&ai->thr_wait);
3254 } else
3255 airo_send_event(ai->dev);
3256 } else if (!scan_forceloss) {
3257 if (auto_wep && !ai->expires) {
3258 ai->expires = RUN_AT(3*HZ);
3259 wake_up_interruptible(&ai->thr_wait);
3260 }
3261
3262
3263 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3264 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3265 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3266 }
3267}
3268
3269static void airo_handle_rx(struct airo_info *ai)
3270{
3271 struct sk_buff *skb = NULL;
3272 __le16 fc, v, *buffer, tmpbuf[4];
3273 u16 len, hdrlen = 0, gap, fid;
3274 struct rx_hdr hdr;
3275 int success = 0;
3276
3277 if (test_bit(FLAG_MPI, &ai->flags)) {
3278 if (test_bit(FLAG_802_11, &ai->flags))
3279 mpi_receive_802_11(ai);
3280 else
3281 mpi_receive_802_3(ai);
3282 OUT4500(ai, EVACK, EV_RX);
3283 return;
3284 }
3285
3286 fid = IN4500(ai, RXFID);
3287
3288
3289 if (test_bit(FLAG_802_11, &ai->flags)) {
3290 bap_setup (ai, fid, 4, BAP0);
3291 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3292
3293 if (le16_to_cpu(hdr.status) & 2)
3294 hdr.len = 0;
3295 if (ai->wifidev == NULL)
3296 hdr.len = 0;
3297 } else {
3298 bap_setup(ai, fid, 0x36, BAP0);
3299 bap_read(ai, &hdr.len, 2, BAP0);
3300 }
3301 len = le16_to_cpu(hdr.len);
3302
3303 if (len > AIRO_DEF_MTU) {
3304 airo_print_err(ai->dev->name, "Bad size %d", len);
3305 goto done;
3306 }
3307 if (len == 0)
3308 goto done;
3309
3310 if (test_bit(FLAG_802_11, &ai->flags)) {
3311 bap_read(ai, &fc, sizeof (fc), BAP0);
3312 hdrlen = header_len(fc);
3313 } else
3314 hdrlen = ETH_ALEN * 2;
3315
3316 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3317 if (!skb) {
3318 ai->dev->stats.rx_dropped++;
3319 goto done;
3320 }
3321
3322 skb_reserve(skb, 2);
3323 buffer = (__le16 *) skb_put(skb, len + hdrlen);
3324 if (test_bit(FLAG_802_11, &ai->flags)) {
3325 buffer[0] = fc;
3326 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3327 if (hdrlen == 24)
3328 bap_read(ai, tmpbuf, 6, BAP0);
3329
3330 bap_read(ai, &v, sizeof(v), BAP0);
3331 gap = le16_to_cpu(v);
3332 if (gap) {
3333 if (gap <= 8) {
3334 bap_read(ai, tmpbuf, gap, BAP0);
3335 } else {
3336 airo_print_err(ai->dev->name, "gaplen too "
3337 "big. Problems will follow...");
3338 }
3339 }
3340 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3341 } else {
3342 MICBuffer micbuf;
3343
3344 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3345 if (ai->micstats.enabled) {
3346 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3347 if (ntohs(micbuf.typelen) > 0x05DC)
3348 bap_setup(ai, fid, 0x44, BAP0);
3349 else {
3350 if (len <= sizeof (micbuf)) {
3351 dev_kfree_skb_irq(skb);
3352 goto done;
3353 }
3354
3355 len -= sizeof(micbuf);
3356 skb_trim(skb, len + hdrlen);
3357 }
3358 }
3359
3360 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3361 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3362 dev_kfree_skb_irq (skb);
3363 else
3364 success = 1;
3365 }
3366
3367#ifdef WIRELESS_SPY
3368 if (success && (ai->spy_data.spy_number > 0)) {
3369 char *sa;
3370 struct iw_quality wstats;
3371
3372
3373 if (!test_bit(FLAG_802_11, &ai->flags)) {
3374 sa = (char *) buffer + 6;
3375 bap_setup(ai, fid, 8, BAP0);
3376 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3377 } else
3378 sa = (char *) buffer + 10;
3379 wstats.qual = hdr.rssi[0];
3380 if (ai->rssi)
3381 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3382 else
3383 wstats.level = (hdr.rssi[1] + 321) / 2;
3384 wstats.noise = ai->wstats.qual.noise;
3385 wstats.updated = IW_QUAL_LEVEL_UPDATED
3386 | IW_QUAL_QUAL_UPDATED
3387 | IW_QUAL_DBM;
3388
3389 wireless_spy_update(ai->dev, sa, &wstats);
3390 }
3391#endif
3392
3393done:
3394 OUT4500(ai, EVACK, EV_RX);
3395
3396 if (success) {
3397 if (test_bit(FLAG_802_11, &ai->flags)) {
3398 skb_reset_mac_header(skb);
3399 skb->pkt_type = PACKET_OTHERHOST;
3400 skb->dev = ai->wifidev;
3401 skb->protocol = htons(ETH_P_802_2);
3402 } else
3403 skb->protocol = eth_type_trans(skb, ai->dev);
3404 skb->ip_summed = CHECKSUM_NONE;
3405
3406 netif_rx(skb);
3407 }
3408}
3409
3410static void airo_handle_tx(struct airo_info *ai, u16 status)
3411{
3412 int i, len = 0, index = -1;
3413 u16 fid;
3414
3415 if (test_bit(FLAG_MPI, &ai->flags)) {
3416 unsigned long flags;
3417
3418 if (status & EV_TXEXC)
3419 get_tx_error(ai, -1);
3420
3421 spin_lock_irqsave(&ai->aux_lock, flags);
3422 if (!skb_queue_empty(&ai->txq)) {
3423 spin_unlock_irqrestore(&ai->aux_lock,flags);
3424 mpi_send_packet(ai->dev);
3425 } else {
3426 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3427 spin_unlock_irqrestore(&ai->aux_lock,flags);
3428 netif_wake_queue(ai->dev);
3429 }
3430 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3431 return;
3432 }
3433
3434 fid = IN4500(ai, TXCOMPLFID);
3435
3436 for(i = 0; i < MAX_FIDS; i++) {
3437 if ((ai->fids[i] & 0xffff) == fid) {
3438 len = ai->fids[i] >> 16;
3439 index = i;
3440 }
3441 }
3442
3443 if (index != -1) {
3444 if (status & EV_TXEXC)
3445 get_tx_error(ai, index);
3446
3447 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3448
3449
3450 ai->fids[index] &= 0xffff;
3451 if (index < MAX_FIDS / 2) {
3452 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3453 netif_wake_queue(ai->dev);
3454 } else {
3455 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3456 netif_wake_queue(ai->wifidev);
3457 }
3458 } else {
3459 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3460 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3461 }
3462}
3463
3464static irqreturn_t airo_interrupt(int irq, void *dev_id)
3465{
3466 struct net_device *dev = dev_id;
3467 u16 status, savedInterrupts = 0;
3468 struct airo_info *ai = dev->ml_priv;
3469 int handled = 0;
3470
3471 if (!netif_device_present(dev))
3472 return IRQ_NONE;
3473
3474 for (;;) {
3475 status = IN4500(ai, EVSTAT);
3476 if (!(status & STATUS_INTS) || (status == 0xffff))
3477 break;
3478
3479 handled = 1;
3480
3481 if (status & EV_AWAKE) {
3482 OUT4500(ai, EVACK, EV_AWAKE);
3483 OUT4500(ai, EVACK, EV_AWAKE);
3484 }
3485
3486 if (!savedInterrupts) {
3487 savedInterrupts = IN4500(ai, EVINTEN);
3488 OUT4500(ai, EVINTEN, 0);
3489 }
3490
3491 if (status & EV_MIC) {
3492 OUT4500(ai, EVACK, EV_MIC);
3493 airo_handle_cisco_mic(ai);
3494 }
3495
3496 if (status & EV_LINK) {
3497
3498 airo_handle_link(ai);
3499 }
3500
3501
3502 if (status & EV_RX)
3503 airo_handle_rx(ai);
3504
3505
3506 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3507 airo_handle_tx(ai, status);
3508
3509 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3510 airo_print_warn(ai->dev->name, "Got weird status %x",
3511 status & ~STATUS_INTS & ~IGNORE_INTS );
3512 }
3513 }
3514
3515 if (savedInterrupts)
3516 OUT4500(ai, EVINTEN, savedInterrupts);
3517
3518 return IRQ_RETVAL(handled);
3519}
3520
3521
3522
3523
3524
3525
3526
3527
3528
3529
3530static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3531 if (test_bit(FLAG_MPI,&ai->flags))
3532 reg <<= 1;
3533 if ( !do8bitIO )
3534 outw( val, ai->dev->base_addr + reg );
3535 else {
3536 outb( val & 0xff, ai->dev->base_addr + reg );
3537 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3538 }
3539}
3540
3541static u16 IN4500( struct airo_info *ai, u16 reg ) {
3542 unsigned short rc;
3543
3544 if (test_bit(FLAG_MPI,&ai->flags))
3545 reg <<= 1;
3546 if ( !do8bitIO )
3547 rc = inw( ai->dev->base_addr + reg );
3548 else {
3549 rc = inb( ai->dev->base_addr + reg );
3550 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3551 }
3552 return rc;
3553}
3554
3555static int enable_MAC(struct airo_info *ai, int lock)
3556{
3557 int rc;
3558 Cmd cmd;
3559 Resp rsp;
3560
3561
3562
3563
3564
3565
3566
3567 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3568
3569 if (lock && down_interruptible(&ai->sem))
3570 return -ERESTARTSYS;
3571
3572 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3573 memset(&cmd, 0, sizeof(cmd));
3574 cmd.cmd = MAC_ENABLE;
3575 rc = issuecommand(ai, &cmd, &rsp);
3576 if (rc == SUCCESS)
3577 set_bit(FLAG_ENABLED, &ai->flags);
3578 } else
3579 rc = SUCCESS;
3580
3581 if (lock)
3582 up(&ai->sem);
3583
3584 if (rc)
3585 airo_print_err(ai->dev->name, "Cannot enable MAC");
3586 else if ((rsp.status & 0xFF00) != 0) {
3587 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3588 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3589 rc = ERROR;
3590 }
3591 return rc;
3592}
3593
3594static void disable_MAC( struct airo_info *ai, int lock ) {
3595 Cmd cmd;
3596 Resp rsp;
3597
3598 if (lock && down_interruptible(&ai->sem))
3599 return;
3600
3601 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3602 memset(&cmd, 0, sizeof(cmd));
3603 cmd.cmd = MAC_DISABLE;
3604 issuecommand(ai, &cmd, &rsp);
3605 clear_bit(FLAG_ENABLED, &ai->flags);
3606 }
3607 if (lock)
3608 up(&ai->sem);
3609}
3610
3611static void enable_interrupts( struct airo_info *ai ) {
3612
3613 OUT4500( ai, EVINTEN, STATUS_INTS );
3614}
3615
3616static void disable_interrupts( struct airo_info *ai ) {
3617 OUT4500( ai, EVINTEN, 0 );
3618}
3619
3620static void mpi_receive_802_3(struct airo_info *ai)
3621{
3622 RxFid rxd;
3623 int len = 0;
3624 struct sk_buff *skb;
3625 char *buffer;
3626 int off = 0;
3627 MICBuffer micbuf;
3628
3629 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3630
3631 if (rxd.rdy && rxd.valid == 0) {
3632 len = rxd.len + 12;
3633 if (len < 12 || len > 2048)
3634 goto badrx;
3635
3636 skb = dev_alloc_skb(len);
3637 if (!skb) {
3638 ai->dev->stats.rx_dropped++;
3639 goto badrx;
3640 }
3641 buffer = skb_put(skb,len);
3642 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3643 if (ai->micstats.enabled) {
3644 memcpy(&micbuf,
3645 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3646 sizeof(micbuf));
3647 if (ntohs(micbuf.typelen) <= 0x05DC) {
3648 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3649 goto badmic;
3650
3651 off = sizeof(micbuf);
3652 skb_trim (skb, len - off);
3653 }
3654 }
3655 memcpy(buffer + ETH_ALEN * 2,
3656 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3657 len - ETH_ALEN * 2 - off);
3658 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3659badmic:
3660 dev_kfree_skb_irq (skb);
3661 goto badrx;
3662 }
3663#ifdef WIRELESS_SPY
3664 if (ai->spy_data.spy_number > 0) {
3665 char *sa;
3666 struct iw_quality wstats;
3667
3668 sa = buffer + ETH_ALEN;
3669 wstats.qual = 0;
3670 wstats.level = 0;
3671 wstats.updated = 0;
3672
3673 wireless_spy_update(ai->dev, sa, &wstats);
3674 }
3675#endif
3676
3677 skb->ip_summed = CHECKSUM_NONE;
3678 skb->protocol = eth_type_trans(skb, ai->dev);
3679 netif_rx(skb);
3680 }
3681badrx:
3682 if (rxd.valid == 0) {
3683 rxd.valid = 1;
3684 rxd.rdy = 0;
3685 rxd.len = PKTSIZE;
3686 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3687 }
3688}
3689
3690static void mpi_receive_802_11(struct airo_info *ai)
3691{
3692 RxFid rxd;
3693 struct sk_buff *skb = NULL;
3694 u16 len, hdrlen = 0;
3695 __le16 fc;
3696 struct rx_hdr hdr;
3697 u16 gap;
3698 u16 *buffer;
3699 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
3700
3701 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3702 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3703 ptr += sizeof(hdr);
3704
3705 if (le16_to_cpu(hdr.status) & 2)
3706 hdr.len = 0;
3707 if (ai->wifidev == NULL)
3708 hdr.len = 0;
3709 len = le16_to_cpu(hdr.len);
3710 if (len > AIRO_DEF_MTU) {
3711 airo_print_err(ai->dev->name, "Bad size %d", len);
3712 goto badrx;
3713 }
3714 if (len == 0)
3715 goto badrx;
3716
3717 fc = get_unaligned((__le16 *)ptr);
3718 hdrlen = header_len(fc);
3719
3720 skb = dev_alloc_skb( len + hdrlen + 2 );
3721 if ( !skb ) {
3722 ai->dev->stats.rx_dropped++;
3723 goto badrx;
3724 }
3725 buffer = (u16*)skb_put (skb, len + hdrlen);
3726 memcpy ((char *)buffer, ptr, hdrlen);
3727 ptr += hdrlen;
3728 if (hdrlen == 24)
3729 ptr += 6;
3730 gap = get_unaligned_le16(ptr);
3731 ptr += sizeof(__le16);
3732 if (gap) {
3733 if (gap <= 8)
3734 ptr += gap;
3735 else
3736 airo_print_err(ai->dev->name,
3737 "gaplen too big. Problems will follow...");
3738 }
3739 memcpy ((char *)buffer + hdrlen, ptr, len);
3740 ptr += len;
3741#ifdef IW_WIRELESS_SPY
3742 if (ai->spy_data.spy_number > 0) {
3743 char *sa;
3744 struct iw_quality wstats;
3745
3746 sa = (char*)buffer + 10;
3747 wstats.qual = hdr.rssi[0];
3748 if (ai->rssi)
3749 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3750 else
3751 wstats.level = (hdr.rssi[1] + 321) / 2;
3752 wstats.noise = ai->wstats.qual.noise;
3753 wstats.updated = IW_QUAL_QUAL_UPDATED
3754 | IW_QUAL_LEVEL_UPDATED
3755 | IW_QUAL_DBM;
3756
3757 wireless_spy_update(ai->dev, sa, &wstats);
3758 }
3759#endif
3760 skb_reset_mac_header(skb);
3761 skb->pkt_type = PACKET_OTHERHOST;
3762 skb->dev = ai->wifidev;
3763 skb->protocol = htons(ETH_P_802_2);
3764 skb->ip_summed = CHECKSUM_NONE;
3765 netif_rx( skb );
3766
3767badrx:
3768 if (rxd.valid == 0) {
3769 rxd.valid = 1;
3770 rxd.rdy = 0;
3771 rxd.len = PKTSIZE;
3772 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3773 }
3774}
3775
3776static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3777{
3778 Cmd cmd;
3779 Resp rsp;
3780 int status;
3781 SsidRid mySsid;
3782 __le16 lastindex;
3783 WepKeyRid wkr;
3784 int rc;
3785
3786 memset( &mySsid, 0, sizeof( mySsid ) );
3787 kfree (ai->flash);
3788 ai->flash = NULL;
3789
3790
3791 cmd.cmd = NOP;
3792 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3793 if (lock && down_interruptible(&ai->sem))
3794 return ERROR;
3795 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3796 if (lock)
3797 up(&ai->sem);
3798 return ERROR;
3799 }
3800 disable_MAC( ai, 0);
3801
3802
3803 if (!test_bit(FLAG_MPI,&ai->flags)) {
3804 cmd.cmd = CMD_ENABLEAUX;
3805 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3806 if (lock)
3807 up(&ai->sem);
3808 airo_print_err(ai->dev->name, "Error checking for AUX port");
3809 return ERROR;
3810 }
3811 if (!aux_bap || rsp.status & 0xff00) {
3812 ai->bap_read = fast_bap_read;
3813 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3814 } else {
3815 ai->bap_read = aux_bap_read;
3816 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3817 }
3818 }
3819 if (lock)
3820 up(&ai->sem);
3821 if (ai->config.len == 0) {
3822 int i;
3823 tdsRssiRid rssi_rid;
3824 CapabilityRid cap_rid;
3825
3826 kfree(ai->APList);
3827 ai->APList = NULL;
3828 kfree(ai->SSID);
3829 ai->SSID = NULL;
3830
3831 status = readConfigRid(ai, lock);
3832 if ( status != SUCCESS ) return ERROR;
3833
3834 status = readCapabilityRid(ai, &cap_rid, lock);
3835 if ( status != SUCCESS ) return ERROR;
3836
3837 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3838 if ( status == SUCCESS ) {
3839 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3840 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512);
3841 }
3842 else {
3843 kfree(ai->rssi);
3844 ai->rssi = NULL;
3845 if (cap_rid.softCap & cpu_to_le16(8))
3846 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3847 else
3848 airo_print_warn(ai->dev->name, "unknown received signal "
3849 "level scale");
3850 }
3851 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3852 ai->config.authType = AUTH_OPEN;
3853 ai->config.modulation = MOD_CCK;
3854
3855 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3856 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3857 micsetup(ai) == SUCCESS) {
3858 ai->config.opmode |= MODE_MIC;
3859 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3860 }
3861
3862
3863 for( i = 0; i < ETH_ALEN; i++ ) {
3864 mac[i] = ai->config.macAddr[i];
3865 }
3866
3867
3868
3869 if ( rates[0] ) {
3870 memset(ai->config.rates,0,sizeof(ai->config.rates));
3871 for( i = 0; i < 8 && rates[i]; i++ ) {
3872 ai->config.rates[i] = rates[i];
3873 }
3874 }
3875 if ( basic_rate > 0 ) {
3876 for( i = 0; i < 8; i++ ) {
3877 if ( ai->config.rates[i] == basic_rate ||
3878 !ai->config.rates ) {
3879 ai->config.rates[i] = basic_rate | 0x80;
3880 break;
3881 }
3882 }
3883 }
3884 set_bit (FLAG_COMMIT, &ai->flags);
3885 }
3886
3887
3888 if ( ssids[0] ) {
3889 int i;
3890 for( i = 0; i < 3 && ssids[i]; i++ ) {
3891 size_t len = strlen(ssids[i]);
3892 if (len > 32)
3893 len = 32;
3894 mySsid.ssids[i].len = cpu_to_le16(len);
3895 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3896 }
3897 mySsid.len = cpu_to_le16(sizeof(mySsid));
3898 }
3899
3900 status = writeConfigRid(ai, lock);
3901 if ( status != SUCCESS ) return ERROR;
3902
3903
3904 if ( ssids[0] ) {
3905 status = writeSsidRid(ai, &mySsid, lock);
3906 if ( status != SUCCESS ) return ERROR;
3907 }
3908
3909 status = enable_MAC(ai, lock);
3910 if (status != SUCCESS)
3911 return ERROR;
3912
3913
3914 rc = readWepKeyRid(ai, &wkr, 1, lock);
3915 if (rc == SUCCESS) do {
3916 lastindex = wkr.kindex;
3917 if (wkr.kindex == cpu_to_le16(0xffff)) {
3918 ai->defindex = wkr.mac[0];
3919 }
3920 rc = readWepKeyRid(ai, &wkr, 0, lock);
3921 } while(lastindex != wkr.kindex);
3922
3923 try_auto_wep(ai);
3924
3925 return SUCCESS;
3926}
3927
3928static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3929
3930 int max_tries = 600000;
3931
3932 if (IN4500(ai, EVSTAT) & EV_CMD)
3933 OUT4500(ai, EVACK, EV_CMD);
3934
3935 OUT4500(ai, PARAM0, pCmd->parm0);
3936 OUT4500(ai, PARAM1, pCmd->parm1);
3937 OUT4500(ai, PARAM2, pCmd->parm2);
3938 OUT4500(ai, COMMAND, pCmd->cmd);
3939
3940 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3941 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3942
3943 OUT4500(ai, COMMAND, pCmd->cmd);
3944 if (!in_atomic() && (max_tries & 255) == 0)
3945 schedule();
3946 }
3947
3948 if ( max_tries == -1 ) {
3949 airo_print_err(ai->dev->name,
3950 "Max tries exceeded when issueing command");
3951 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3952 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3953 return ERROR;
3954 }
3955
3956
3957 pRsp->status = IN4500(ai, STATUS);
3958 pRsp->rsp0 = IN4500(ai, RESP0);
3959 pRsp->rsp1 = IN4500(ai, RESP1);
3960 pRsp->rsp2 = IN4500(ai, RESP2);
3961 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3962 airo_print_err(ai->dev->name,
3963 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3964 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3965 pRsp->rsp2);
3966
3967
3968 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3969 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3970 }
3971
3972 OUT4500(ai, EVACK, EV_CMD);
3973
3974 return SUCCESS;
3975}
3976
3977
3978
3979
3980static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3981{
3982 int timeout = 50;
3983 int max_tries = 3;
3984
3985 OUT4500(ai, SELECT0+whichbap, rid);
3986 OUT4500(ai, OFFSET0+whichbap, offset);
3987 while (1) {
3988 int status = IN4500(ai, OFFSET0+whichbap);
3989 if (status & BAP_BUSY) {
3990
3991
3992 if (timeout--) {
3993 continue;
3994 }
3995 } else if ( status & BAP_ERR ) {
3996
3997 airo_print_err(ai->dev->name, "BAP error %x %d",
3998 status, whichbap );
3999 return ERROR;
4000 } else if (status & BAP_DONE) {
4001 return SUCCESS;
4002 }
4003 if ( !(max_tries--) ) {
4004 airo_print_err(ai->dev->name,
4005 "BAP setup error too many retries\n");
4006 return ERROR;
4007 }
4008
4009 OUT4500(ai, SELECT0+whichbap, rid);
4010 OUT4500(ai, OFFSET0+whichbap, offset);
4011 timeout = 50;
4012 }
4013}
4014
4015
4016
4017
4018static u16 aux_setup(struct airo_info *ai, u16 page,
4019 u16 offset, u16 *len)
4020{
4021 u16 next;
4022
4023 OUT4500(ai, AUXPAGE, page);
4024 OUT4500(ai, AUXOFF, 0);
4025 next = IN4500(ai, AUXDATA);
4026 *len = IN4500(ai, AUXDATA)&0xff;
4027 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4028 return next;
4029}
4030
4031
4032static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4033 int bytelen, int whichbap)
4034{
4035 u16 len;
4036 u16 page;
4037 u16 offset;
4038 u16 next;
4039 int words;
4040 int i;
4041 unsigned long flags;
4042
4043 spin_lock_irqsave(&ai->aux_lock, flags);
4044 page = IN4500(ai, SWS0+whichbap);
4045 offset = IN4500(ai, SWS2+whichbap);
4046 next = aux_setup(ai, page, offset, &len);
4047 words = (bytelen+1)>>1;
4048
4049 for (i=0; i<words;) {
4050 int count;
4051 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4052 if ( !do8bitIO )
4053 insw( ai->dev->base_addr+DATA0+whichbap,
4054 pu16Dst+i,count );
4055 else
4056 insb( ai->dev->base_addr+DATA0+whichbap,
4057 pu16Dst+i, count << 1 );
4058 i += count;
4059 if (i<words) {
4060 next = aux_setup(ai, next, 4, &len);
4061 }
4062 }
4063 spin_unlock_irqrestore(&ai->aux_lock, flags);
4064 return SUCCESS;
4065}
4066
4067
4068
4069static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4070 int bytelen, int whichbap)
4071{
4072 bytelen = (bytelen + 1) & (~1);
4073 if ( !do8bitIO )
4074 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4075 else
4076 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4077 return SUCCESS;
4078}
4079
4080
4081static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4082 int bytelen, int whichbap)
4083{
4084 bytelen = (bytelen + 1) & (~1);
4085 if ( !do8bitIO )
4086 outsw( ai->dev->base_addr+DATA0+whichbap,
4087 pu16Src, bytelen>>1 );
4088 else
4089 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4090 return SUCCESS;
4091}
4092
4093static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4094{
4095 Cmd cmd;
4096 Resp rsp;
4097 u16 status;
4098
4099 memset(&cmd, 0, sizeof(cmd));
4100 cmd.cmd = accmd;
4101 cmd.parm0 = rid;
4102 status = issuecommand(ai, &cmd, &rsp);
4103 if (status != 0) return status;
4104 if ( (rsp.status & 0x7F00) != 0) {
4105 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4106 }
4107 return 0;
4108}
4109
4110
4111
4112static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4113{
4114 u16 status;
4115 int rc = SUCCESS;
4116
4117 if (lock) {
4118 if (down_interruptible(&ai->sem))
4119 return ERROR;
4120 }
4121 if (test_bit(FLAG_MPI,&ai->flags)) {
4122 Cmd cmd;
4123 Resp rsp;
4124
4125 memset(&cmd, 0, sizeof(cmd));
4126 memset(&rsp, 0, sizeof(rsp));
4127 ai->config_desc.rid_desc.valid = 1;
4128 ai->config_desc.rid_desc.len = RIDSIZE;
4129 ai->config_desc.rid_desc.rid = 0;
4130 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4131
4132 cmd.cmd = CMD_ACCESS;
4133 cmd.parm0 = rid;
4134
4135 memcpy_toio(ai->config_desc.card_ram_off,
4136 &ai->config_desc.rid_desc, sizeof(Rid));
4137
4138 rc = issuecommand(ai, &cmd, &rsp);
4139
4140 if (rsp.status & 0x7f00)
4141 rc = rsp.rsp0;
4142 if (!rc)
4143 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4144 goto done;
4145 } else {
4146 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4147 rc = status;
4148 goto done;
4149 }
4150 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4151 rc = ERROR;
4152 goto done;
4153 }
4154
4155 bap_read(ai, pBuf, 2, BAP1);
4156
4157 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4158
4159 if ( len <= 2 ) {
4160 airo_print_err(ai->dev->name,
4161 "Rid %x has a length of %d which is too short",
4162 (int)rid, (int)len );
4163 rc = ERROR;
4164 goto done;
4165 }
4166
4167 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4168 }
4169done:
4170 if (lock)
4171 up(&ai->sem);
4172 return rc;
4173}
4174
4175
4176
4177static int PC4500_writerid(struct airo_info *ai, u16 rid,
4178 const void *pBuf, int len, int lock)
4179{
4180 u16 status;
4181 int rc = SUCCESS;
4182
4183 *(__le16*)pBuf = cpu_to_le16((u16)len);
4184
4185 if (lock) {
4186 if (down_interruptible(&ai->sem))
4187 return ERROR;
4188 }
4189 if (test_bit(FLAG_MPI,&ai->flags)) {
4190 Cmd cmd;
4191 Resp rsp;
4192
4193 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4194 airo_print_err(ai->dev->name,
4195 "%s: MAC should be disabled (rid=%04x)",
4196 __func__, rid);
4197 memset(&cmd, 0, sizeof(cmd));
4198 memset(&rsp, 0, sizeof(rsp));
4199
4200 ai->config_desc.rid_desc.valid = 1;
4201 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4202 ai->config_desc.rid_desc.rid = 0;
4203
4204 cmd.cmd = CMD_WRITERID;
4205 cmd.parm0 = rid;
4206
4207 memcpy_toio(ai->config_desc.card_ram_off,
4208 &ai->config_desc.rid_desc, sizeof(Rid));
4209
4210 if (len < 4 || len > 2047) {
4211 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4212 rc = -1;
4213 } else {
4214 memcpy((char *)ai->config_desc.virtual_host_addr,
4215 pBuf, len);
4216
4217 rc = issuecommand(ai, &cmd, &rsp);
4218 if ((rc & 0xff00) != 0) {
4219 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4220 __func__, rc);
4221 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4222 __func__, cmd.cmd);
4223 }
4224
4225 if ((rsp.status & 0x7f00))
4226 rc = rsp.rsp0;
4227 }
4228 } else {
4229
4230 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4231 rc = status;
4232 goto done;
4233 }
4234
4235 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4236 rc = ERROR;
4237 goto done;
4238 }
4239 bap_write(ai, pBuf, len, BAP1);
4240
4241 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4242 }
4243done:
4244 if (lock)
4245 up(&ai->sem);
4246 return rc;
4247}
4248
4249
4250
4251static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4252{
4253 unsigned int loop = 3000;
4254 Cmd cmd;
4255 Resp rsp;
4256 u16 txFid;
4257 __le16 txControl;
4258
4259 cmd.cmd = CMD_ALLOCATETX;
4260 cmd.parm0 = lenPayload;
4261 if (down_interruptible(&ai->sem))
4262 return ERROR;
4263 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4264 txFid = ERROR;
4265 goto done;
4266 }
4267 if ( (rsp.status & 0xFF00) != 0) {
4268 txFid = ERROR;
4269 goto done;
4270 }
4271
4272
4273
4274 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4275 if (!loop) {
4276 txFid = ERROR;
4277 goto done;
4278 }
4279
4280
4281 txFid = IN4500(ai, TXALLOCFID);
4282 OUT4500(ai, EVACK, EV_ALLOC);
4283
4284
4285
4286
4287
4288
4289 if (raw)
4290 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4291 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4292 else
4293 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4294 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4295 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4296 txFid = ERROR;
4297 else
4298 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4299
4300done:
4301 up(&ai->sem);
4302
4303 return txFid;
4304}
4305
4306
4307
4308
4309static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4310{
4311 __le16 payloadLen;
4312 Cmd cmd;
4313 Resp rsp;
4314 int miclen = 0;
4315 u16 txFid = len;
4316 MICBuffer pMic;
4317
4318 len >>= 16;
4319
4320 if (len <= ETH_ALEN * 2) {
4321 airo_print_warn(ai->dev->name, "Short packet %d", len);
4322 return ERROR;
4323 }
4324 len -= ETH_ALEN * 2;
4325
4326 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4327 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4328 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4329 return ERROR;
4330 miclen = sizeof(pMic);
4331 }
4332
4333
4334 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4335
4336
4337 payloadLen = cpu_to_le16(len + miclen);
4338 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4339 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4340 if (miclen)
4341 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4342 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4343
4344 memset( &cmd, 0, sizeof( cmd ) );
4345 cmd.cmd = CMD_TRANSMIT;
4346 cmd.parm0 = txFid;
4347 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4348 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4349 return SUCCESS;
4350}
4351
4352static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4353{
4354 __le16 fc, payloadLen;
4355 Cmd cmd;
4356 Resp rsp;
4357 int hdrlen;
4358 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4359
4360 u16 txFid = len;
4361 len >>= 16;
4362
4363 fc = *(__le16*)pPacket;
4364 hdrlen = header_len(fc);
4365
4366 if (len < hdrlen) {
4367 airo_print_warn(ai->dev->name, "Short packet %d", len);
4368 return ERROR;
4369 }
4370
4371
4372
4373 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4374
4375
4376 payloadLen = cpu_to_le16(len-hdrlen);
4377 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4378 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4379 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4380 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4381
4382 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4383
4384 memset( &cmd, 0, sizeof( cmd ) );
4385 cmd.cmd = CMD_TRANSMIT;
4386 cmd.parm0 = txFid;
4387 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4388 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4389 return SUCCESS;
4390}
4391
4392
4393
4394
4395
4396
4397static ssize_t proc_read( struct file *file,
4398 char __user *buffer,
4399 size_t len,
4400 loff_t *offset);
4401
4402static ssize_t proc_write( struct file *file,
4403 const char __user *buffer,
4404 size_t len,
4405 loff_t *offset );
4406static int proc_close( struct inode *inode, struct file *file );
4407
4408static int proc_stats_open( struct inode *inode, struct file *file );
4409static int proc_statsdelta_open( struct inode *inode, struct file *file );
4410static int proc_status_open( struct inode *inode, struct file *file );
4411static int proc_SSID_open( struct inode *inode, struct file *file );
4412static int proc_APList_open( struct inode *inode, struct file *file );
4413static int proc_BSSList_open( struct inode *inode, struct file *file );
4414static int proc_config_open( struct inode *inode, struct file *file );
4415static int proc_wepkey_open( struct inode *inode, struct file *file );
4416
4417static const struct file_operations proc_statsdelta_ops = {
4418 .owner = THIS_MODULE,
4419 .read = proc_read,
4420 .open = proc_statsdelta_open,
4421 .release = proc_close
4422};
4423
4424static const struct file_operations proc_stats_ops = {
4425 .owner = THIS_MODULE,
4426 .read = proc_read,
4427 .open = proc_stats_open,
4428 .release = proc_close
4429};
4430
4431static const struct file_operations proc_status_ops = {
4432 .owner = THIS_MODULE,
4433 .read = proc_read,
4434 .open = proc_status_open,
4435 .release = proc_close
4436};
4437
4438static const struct file_operations proc_SSID_ops = {
4439 .owner = THIS_MODULE,
4440 .read = proc_read,
4441 .write = proc_write,
4442 .open = proc_SSID_open,
4443 .release = proc_close
4444};
4445
4446static const struct file_operations proc_BSSList_ops = {
4447 .owner = THIS_MODULE,
4448 .read = proc_read,
4449 .write = proc_write,
4450 .open = proc_BSSList_open,
4451 .release = proc_close
4452};
4453
4454static const struct file_operations proc_APList_ops = {
4455 .owner = THIS_MODULE,
4456 .read = proc_read,
4457 .write = proc_write,
4458 .open = proc_APList_open,
4459 .release = proc_close
4460};
4461
4462static const struct file_operations proc_config_ops = {
4463 .owner = THIS_MODULE,
4464 .read = proc_read,
4465 .write = proc_write,
4466 .open = proc_config_open,
4467 .release = proc_close
4468};
4469
4470static const struct file_operations proc_wepkey_ops = {
4471 .owner = THIS_MODULE,
4472 .read = proc_read,
4473 .write = proc_write,
4474 .open = proc_wepkey_open,
4475 .release = proc_close
4476};
4477
4478static struct proc_dir_entry *airo_entry;
4479
4480struct proc_data {
4481 int release_buffer;
4482 int readlen;
4483 char *rbuffer;
4484 int writelen;
4485 int maxwritelen;
4486 char *wbuffer;
4487 void (*on_close) (struct inode *, struct file *);
4488};
4489
4490static int setup_proc_entry( struct net_device *dev,
4491 struct airo_info *apriv ) {
4492 struct proc_dir_entry *entry;
4493
4494 strcpy(apriv->proc_name,dev->name);
4495 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4496 S_IFDIR|airo_perm,
4497 airo_entry);
4498 if (!apriv->proc_entry)
4499 goto fail;
4500 apriv->proc_entry->uid = proc_uid;
4501 apriv->proc_entry->gid = proc_gid;
4502
4503
4504 entry = proc_create_data("StatsDelta",
4505 S_IFREG | (S_IRUGO&proc_perm),
4506 apriv->proc_entry, &proc_statsdelta_ops, dev);
4507 if (!entry)
4508 goto fail_stats_delta;
4509 entry->uid = proc_uid;
4510 entry->gid = proc_gid;
4511
4512
4513 entry = proc_create_data("Stats",
4514 S_IFREG | (S_IRUGO&proc_perm),
4515 apriv->proc_entry, &proc_stats_ops, dev);
4516 if (!entry)
4517 goto fail_stats;
4518 entry->uid = proc_uid;
4519 entry->gid = proc_gid;
4520
4521
4522 entry = proc_create_data("Status",
4523 S_IFREG | (S_IRUGO&proc_perm),
4524 apriv->proc_entry, &proc_status_ops, dev);
4525 if (!entry)
4526 goto fail_status;
4527 entry->uid = proc_uid;
4528 entry->gid = proc_gid;
4529
4530
4531 entry = proc_create_data("Config",
4532 S_IFREG | proc_perm,
4533 apriv->proc_entry, &proc_config_ops, dev);
4534 if (!entry)
4535 goto fail_config;
4536 entry->uid = proc_uid;
4537 entry->gid = proc_gid;
4538
4539
4540 entry = proc_create_data("SSID",
4541 S_IFREG | proc_perm,
4542 apriv->proc_entry, &proc_SSID_ops, dev);
4543 if (!entry)
4544 goto fail_ssid;
4545 entry->uid = proc_uid;
4546 entry->gid = proc_gid;
4547
4548
4549 entry = proc_create_data("APList",
4550 S_IFREG | proc_perm,
4551 apriv->proc_entry, &proc_APList_ops, dev);
4552 if (!entry)
4553 goto fail_aplist;
4554 entry->uid = proc_uid;
4555 entry->gid = proc_gid;
4556
4557
4558 entry = proc_create_data("BSSList",
4559 S_IFREG | proc_perm,
4560 apriv->proc_entry, &proc_BSSList_ops, dev);
4561 if (!entry)
4562 goto fail_bsslist;
4563 entry->uid = proc_uid;
4564 entry->gid = proc_gid;
4565
4566
4567 entry = proc_create_data("WepKey",
4568 S_IFREG | proc_perm,
4569 apriv->proc_entry, &proc_wepkey_ops, dev);
4570 if (!entry)
4571 goto fail_wepkey;
4572 entry->uid = proc_uid;
4573 entry->gid = proc_gid;
4574
4575 return 0;
4576
4577fail_wepkey:
4578 remove_proc_entry("BSSList", apriv->proc_entry);
4579fail_bsslist:
4580 remove_proc_entry("APList", apriv->proc_entry);
4581fail_aplist:
4582 remove_proc_entry("SSID", apriv->proc_entry);
4583fail_ssid:
4584 remove_proc_entry("Config", apriv->proc_entry);
4585fail_config:
4586 remove_proc_entry("Status", apriv->proc_entry);
4587fail_status:
4588 remove_proc_entry("Stats", apriv->proc_entry);
4589fail_stats:
4590 remove_proc_entry("StatsDelta", apriv->proc_entry);
4591fail_stats_delta:
4592 remove_proc_entry(apriv->proc_name, airo_entry);
4593fail:
4594 return -ENOMEM;
4595}
4596
4597static int takedown_proc_entry( struct net_device *dev,
4598 struct airo_info *apriv ) {
4599 if ( !apriv->proc_entry->namelen ) return 0;
4600 remove_proc_entry("Stats",apriv->proc_entry);
4601 remove_proc_entry("StatsDelta",apriv->proc_entry);
4602 remove_proc_entry("Status",apriv->proc_entry);
4603 remove_proc_entry("Config",apriv->proc_entry);
4604 remove_proc_entry("SSID",apriv->proc_entry);
4605 remove_proc_entry("APList",apriv->proc_entry);
4606 remove_proc_entry("BSSList",apriv->proc_entry);
4607 remove_proc_entry("WepKey",apriv->proc_entry);
4608 remove_proc_entry(apriv->proc_name,airo_entry);
4609 return 0;
4610}
4611
4612
4613
4614
4615
4616
4617
4618
4619
4620
4621
4622
4623
4624static ssize_t proc_read( struct file *file,
4625 char __user *buffer,
4626 size_t len,
4627 loff_t *offset )
4628{
4629 struct proc_data *priv = file->private_data;
4630
4631 if (!priv->rbuffer)
4632 return -EINVAL;
4633
4634 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4635 priv->readlen);
4636}
4637
4638
4639
4640
4641
4642static ssize_t proc_write( struct file *file,
4643 const char __user *buffer,
4644 size_t len,
4645 loff_t *offset )
4646{
4647 loff_t pos = *offset;
4648 struct proc_data *priv = (struct proc_data*)file->private_data;
4649
4650 if (!priv->wbuffer)
4651 return -EINVAL;
4652
4653 if (pos < 0)
4654 return -EINVAL;
4655 if (pos >= priv->maxwritelen)
4656 return 0;
4657 if (len > priv->maxwritelen - pos)
4658 len = priv->maxwritelen - pos;
4659 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4660 return -EFAULT;
4661 if ( pos + len > priv->writelen )
4662 priv->writelen = len + file->f_pos;
4663 *offset = pos + len;
4664 return len;
4665}
4666
4667static int proc_status_open(struct inode *inode, struct file *file)
4668{
4669 struct proc_data *data;
4670 struct proc_dir_entry *dp = PDE(inode);
4671 struct net_device *dev = dp->data;
4672 struct airo_info *apriv = dev->ml_priv;
4673 CapabilityRid cap_rid;
4674 StatusRid status_rid;
4675 u16 mode;
4676 int i;
4677
4678 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4679 return -ENOMEM;
4680 data = (struct proc_data *)file->private_data;
4681 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4682 kfree (file->private_data);
4683 return -ENOMEM;
4684 }
4685
4686 readStatusRid(apriv, &status_rid, 1);
4687 readCapabilityRid(apriv, &cap_rid, 1);
4688
4689 mode = le16_to_cpu(status_rid.mode);
4690
4691 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4692 mode & 1 ? "CFG ": "",
4693 mode & 2 ? "ACT ": "",
4694 mode & 0x10 ? "SYN ": "",
4695 mode & 0x20 ? "LNK ": "",
4696 mode & 0x40 ? "LEAP ": "",
4697 mode & 0x80 ? "PRIV ": "",
4698 mode & 0x100 ? "KEY ": "",
4699 mode & 0x200 ? "WEP ": "",
4700 mode & 0x8000 ? "ERR ": "");
4701 sprintf( data->rbuffer+i, "Mode: %x\n"
4702 "Signal Strength: %d\n"
4703 "Signal Quality: %d\n"
4704 "SSID: %-.*s\n"
4705 "AP: %-.16s\n"
4706 "Freq: %d\n"
4707 "BitRate: %dmbs\n"
4708 "Driver Version: %s\n"
4709 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4710 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4711 "Software Version: %x\nSoftware Subversion: %x\n"
4712 "Boot block version: %x\n",
4713 le16_to_cpu(status_rid.mode),
4714 le16_to_cpu(status_rid.normalizedSignalStrength),
4715 le16_to_cpu(status_rid.signalQuality),
4716 le16_to_cpu(status_rid.SSIDlen),
4717 status_rid.SSID,
4718 status_rid.apName,
4719 le16_to_cpu(status_rid.channel),
4720 le16_to_cpu(status_rid.currentXmitRate) / 2,
4721 version,
4722 cap_rid.prodName,
4723 cap_rid.manName,
4724 cap_rid.prodVer,
4725 le16_to_cpu(cap_rid.radioType),
4726 le16_to_cpu(cap_rid.country),
4727 le16_to_cpu(cap_rid.hardVer),
4728 le16_to_cpu(cap_rid.softVer),
4729 le16_to_cpu(cap_rid.softSubVer),
4730 le16_to_cpu(cap_rid.bootBlockVer));
4731 data->readlen = strlen( data->rbuffer );
4732 return 0;
4733}
4734
4735static int proc_stats_rid_open(struct inode*, struct file*, u16);
4736static int proc_statsdelta_open( struct inode *inode,
4737 struct file *file ) {
4738 if (file->f_mode&FMODE_WRITE) {
4739 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4740 }
4741 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4742}
4743
4744static int proc_stats_open( struct inode *inode, struct file *file ) {
4745 return proc_stats_rid_open(inode, file, RID_STATS);
4746}
4747
4748static int proc_stats_rid_open( struct inode *inode,
4749 struct file *file,
4750 u16 rid )
4751{
4752 struct proc_data *data;
4753 struct proc_dir_entry *dp = PDE(inode);
4754 struct net_device *dev = dp->data;
4755 struct airo_info *apriv = dev->ml_priv;
4756 StatsRid stats;
4757 int i, j;
4758 __le32 *vals = stats.vals;
4759 int len;
4760
4761 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4762 return -ENOMEM;
4763 data = (struct proc_data *)file->private_data;
4764 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4765 kfree (file->private_data);
4766 return -ENOMEM;
4767 }
4768
4769 readStatsRid(apriv, &stats, rid, 1);
4770 len = le16_to_cpu(stats.len);
4771
4772 j = 0;
4773 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4774 if (!statsLabels[i]) continue;
4775 if (j+strlen(statsLabels[i])+16>4096) {
4776 airo_print_warn(apriv->dev->name,
4777 "Potentially disasterous buffer overflow averted!");
4778 break;
4779 }
4780 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4781 le32_to_cpu(vals[i]));
4782 }
4783 if (i*4 >= len) {
4784 airo_print_warn(apriv->dev->name, "Got a short rid");
4785 }
4786 data->readlen = j;
4787 return 0;
4788}
4789
4790static int get_dec_u16( char *buffer, int *start, int limit ) {
4791 u16 value;
4792 int valid = 0;
4793 for (value = 0; *start < limit && buffer[*start] >= '0' &&
4794 buffer[*start] <= '9'; (*start)++) {
4795 valid = 1;
4796 value *= 10;
4797 value += buffer[*start] - '0';
4798 }
4799 if ( !valid ) return -1;
4800 return value;
4801}
4802
4803static int airo_config_commit(struct net_device *dev,
4804 struct iw_request_info *info, void *zwrq,
4805 char *extra);
4806
4807static inline int sniffing_mode(struct airo_info *ai)
4808{
4809 return le16_to_cpu(ai->config.rmode & RXMODE_MASK) >=
4810 le16_to_cpu(RXMODE_RFMON);
4811}
4812
4813static void proc_config_on_close(struct inode *inode, struct file *file)
4814{
4815 struct proc_data *data = file->private_data;
4816 struct proc_dir_entry *dp = PDE(inode);
4817 struct net_device *dev = dp->data;
4818 struct airo_info *ai = dev->ml_priv;
4819 char *line;
4820
4821 if ( !data->writelen ) return;
4822
4823 readConfigRid(ai, 1);
4824 set_bit (FLAG_COMMIT, &ai->flags);
4825
4826 line = data->wbuffer;
4827 while( line[0] ) {
4828
4829 if ( !strncmp( line, "Mode: ", 6 ) ) {
4830 line += 6;
4831 if (sniffing_mode(ai))
4832 set_bit (FLAG_RESET, &ai->flags);
4833 ai->config.rmode &= ~RXMODE_FULL_MASK;
4834 clear_bit (FLAG_802_11, &ai->flags);
4835 ai->config.opmode &= ~MODE_CFG_MASK;
4836 ai->config.scanMode = SCANMODE_ACTIVE;
4837 if ( line[0] == 'a' ) {
4838 ai->config.opmode |= MODE_STA_IBSS;
4839 } else {
4840 ai->config.opmode |= MODE_STA_ESS;
4841 if ( line[0] == 'r' ) {
4842 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4843 ai->config.scanMode = SCANMODE_PASSIVE;
4844 set_bit (FLAG_802_11, &ai->flags);
4845 } else if ( line[0] == 'y' ) {
4846 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4847 ai->config.scanMode = SCANMODE_PASSIVE;
4848 set_bit (FLAG_802_11, &ai->flags);
4849 } else if ( line[0] == 'l' )
4850 ai->config.rmode |= RXMODE_LANMON;
4851 }
4852 set_bit (FLAG_COMMIT, &ai->flags);
4853 }
4854
4855
4856 else if (!strncmp(line,"Radio: ", 7)) {
4857 line += 7;
4858 if (!strncmp(line,"off",3)) {
4859 set_bit (FLAG_RADIO_OFF, &ai->flags);
4860 } else {
4861 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4862 }
4863 }
4864
4865 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4866 int j;
4867
4868 line += 10;
4869 memset( ai->config.nodeName, 0, 16 );
4870
4871 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4872 ai->config.nodeName[j] = line[j];
4873 }
4874 set_bit (FLAG_COMMIT, &ai->flags);
4875 }
4876
4877
4878 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4879 line += 11;
4880 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4881 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4882 set_bit (FLAG_COMMIT, &ai->flags);
4883 } else if ( !strncmp( line, "PSP", 3 ) ) {
4884 ai->config.powerSaveMode = POWERSAVE_PSP;
4885 set_bit (FLAG_COMMIT, &ai->flags);
4886 } else {
4887 ai->config.powerSaveMode = POWERSAVE_CAM;
4888 set_bit (FLAG_COMMIT, &ai->flags);
4889 }
4890 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4891 int v, i = 0, k = 0;
4892
4893
4894 line += 11;
4895 while((v = get_dec_u16(line, &i, 3))!=-1) {
4896 ai->config.rates[k++] = (u8)v;
4897 line += i + 1;
4898 i = 0;
4899 }
4900 set_bit (FLAG_COMMIT, &ai->flags);
4901 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4902 int v, i = 0;
4903 line += 9;
4904 v = get_dec_u16(line, &i, i+3);
4905 if ( v != -1 ) {
4906 ai->config.channelSet = cpu_to_le16(v);
4907 set_bit (FLAG_COMMIT, &ai->flags);
4908 }
4909 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4910 int v, i = 0;
4911 line += 11;
4912 v = get_dec_u16(line, &i, i+3);
4913 if ( v != -1 ) {
4914 ai->config.txPower = cpu_to_le16(v);
4915 set_bit (FLAG_COMMIT, &ai->flags);
4916 }
4917 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4918 line += 5;
4919 switch( line[0] ) {
4920 case 's':
4921 ai->config.authType = AUTH_SHAREDKEY;
4922 break;
4923 case 'e':
4924 ai->config.authType = AUTH_ENCRYPT;
4925 break;
4926 default:
4927 ai->config.authType = AUTH_OPEN;
4928 break;
4929 }
4930 set_bit (FLAG_COMMIT, &ai->flags);
4931 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4932 int v, i = 0;
4933
4934 line += 16;
4935 v = get_dec_u16(line, &i, 3);
4936 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4937 ai->config.longRetryLimit = cpu_to_le16(v);
4938 set_bit (FLAG_COMMIT, &ai->flags);
4939 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4940 int v, i = 0;
4941
4942 line += 17;
4943 v = get_dec_u16(line, &i, 3);
4944 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4945 ai->config.shortRetryLimit = cpu_to_le16(v);
4946 set_bit (FLAG_COMMIT, &ai->flags);
4947 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4948 int v, i = 0;
4949
4950 line += 14;
4951 v = get_dec_u16(line, &i, 4);
4952 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4953 ai->config.rtsThres = cpu_to_le16(v);
4954 set_bit (FLAG_COMMIT, &ai->flags);
4955 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4956 int v, i = 0;
4957
4958 line += 16;
4959 v = get_dec_u16(line, &i, 5);
4960 v = (v<0) ? 0 : v;
4961 ai->config.txLifetime = cpu_to_le16(v);
4962 set_bit (FLAG_COMMIT, &ai->flags);
4963 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4964 int v, i = 0;
4965
4966 line += 16;
4967 v = get_dec_u16(line, &i, 5);
4968 v = (v<0) ? 0 : v;
4969 ai->config.rxLifetime = cpu_to_le16(v);
4970 set_bit (FLAG_COMMIT, &ai->flags);
4971 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4972 ai->config.txDiversity =
4973 (line[13]=='l') ? 1 :
4974 ((line[13]=='r')? 2: 3);
4975 set_bit (FLAG_COMMIT, &ai->flags);
4976 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4977 ai->config.rxDiversity =
4978 (line[13]=='l') ? 1 :
4979 ((line[13]=='r')? 2: 3);
4980 set_bit (FLAG_COMMIT, &ai->flags);
4981 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4982 int v, i = 0;
4983
4984 line += 15;
4985 v = get_dec_u16(line, &i, 4);
4986 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4987 v = v & 0xfffe;
4988 ai->config.fragThresh = cpu_to_le16(v);
4989 set_bit (FLAG_COMMIT, &ai->flags);
4990 } else if (!strncmp(line, "Modulation: ", 12)) {
4991 line += 12;
4992 switch(*line) {
4993 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4994 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4995 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4996 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4997 }
4998 } else if (!strncmp(line, "Preamble: ", 10)) {
4999 line += 10;
5000 switch(*line) {
5001 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
5002 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5003 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
5004 default: airo_print_warn(ai->dev->name, "Unknown preamble");
5005 }
5006 } else {
5007 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
5008 }
5009 while( line[0] && line[0] != '\n' ) line++;
5010 if ( line[0] ) line++;
5011 }
5012 airo_config_commit(dev, NULL, NULL, NULL);
5013}
5014
5015static char *get_rmode(__le16 mode)
5016{
5017 switch(mode & RXMODE_MASK) {
5018 case RXMODE_RFMON: return "rfmon";
5019 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5020 case RXMODE_LANMON: return "lanmon";
5021 }
5022 return "ESS";
5023}
5024
5025static int proc_config_open(struct inode *inode, struct file *file)
5026{
5027 struct proc_data *data;
5028 struct proc_dir_entry *dp = PDE(inode);
5029 struct net_device *dev = dp->data;
5030 struct airo_info *ai = dev->ml_priv;
5031 int i;
5032 __le16 mode;
5033
5034 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5035 return -ENOMEM;
5036 data = (struct proc_data *)file->private_data;
5037 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5038 kfree (file->private_data);
5039 return -ENOMEM;
5040 }
5041 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5042 kfree (data->rbuffer);
5043 kfree (file->private_data);
5044 return -ENOMEM;
5045 }
5046 data->maxwritelen = 2048;
5047 data->on_close = proc_config_on_close;
5048
5049 readConfigRid(ai, 1);
5050
5051 mode = ai->config.opmode & MODE_CFG_MASK;
5052 i = sprintf( data->rbuffer,
5053 "Mode: %s\n"
5054 "Radio: %s\n"
5055 "NodeName: %-16s\n"
5056 "PowerMode: %s\n"
5057 "DataRates: %d %d %d %d %d %d %d %d\n"
5058 "Channel: %d\n"
5059 "XmitPower: %d\n",
5060 mode == MODE_STA_IBSS ? "adhoc" :
5061 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5062 mode == MODE_AP ? "AP" :
5063 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5064 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5065 ai->config.nodeName,
5066 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5067 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5068 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5069 "Error",
5070 (int)ai->config.rates[0],
5071 (int)ai->config.rates[1],
5072 (int)ai->config.rates[2],
5073 (int)ai->config.rates[3],
5074 (int)ai->config.rates[4],
5075 (int)ai->config.rates[5],
5076 (int)ai->config.rates[6],
5077 (int)ai->config.rates[7],
5078 le16_to_cpu(ai->config.channelSet),
5079 le16_to_cpu(ai->config.