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bap_read()/bap_write() work with fixed-endian buffers
[deliverable/linux.git] / drivers / net / wireless / airo.c
CommitLineData
1da177e4
LT		 1/*======================================================================
2
3 Aironet driver for 4500 and 4800 series cards
4
5 This code is released under both the GPL version 2 and BSD licenses.
6 Either license may be used. The respective licenses are found at
7 the end of this file.
8
9 This code was developed by Benjamin Reed <breed@users.sourceforge.net>
10 including portions of which come from the Aironet PC4500
11 Developer's Reference Manual and used with permission. Copyright
12 (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use
13 code in the Developer's manual was granted for this driver by
14 Aironet. Major code contributions were received from Javier Achirica
15 <achirica@users.sourceforge.net> and Jean Tourrilhes <jt@hpl.hp.com>.
16 Code was also integrated from the Cisco Aironet driver for Linux.
17 Support for MPI350 cards was added by Fabrice Bellet
18 <fabrice@bellet.info>.
19
20======================================================================*/
21
f12cc209 22#include <linux/err.h>
1da177e4
LT		 23#include <linux/init.h>
24
25#include <linux/kernel.h>
26#include <linux/module.h>
27#include <linux/proc_fs.h>
1da177e4
LT		 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>
378f058c 37#include <linux/scatterlist.h>
a39d3e79 38#include <linux/crypto.h>
1da177e4
LT		 39#include <asm/io.h>
40#include <asm/system.h>
593c2b9c 41#include <asm/unaligned.h>
1da177e4
LT		 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>
3c304956 50#include <net/ieee80211.h>
3b4c7d64 51#include <linux/kthread.h>
7dfb7103 52#include <linux/freezer.h>
1da177e4 53
d3808760
AB		 54#include "airo.h"
55
1138c37b
MS		 56#define DRV_NAME "airo"
57
1da177e4
LT		 58#ifdef CONFIG_PCI
59static struct pci_device_id card_ids[] = {
60 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
61 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
62 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
63 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
67 { 0, }
68};
69MODULE_DEVICE_TABLE(pci, card_ids);
70
71static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
72static void airo_pci_remove(struct pci_dev *);
05adc3b7 73static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
1da177e4
LT		 74static int airo_pci_resume(struct pci_dev *pdev);
75
76static struct pci_driver airo_driver = {
1138c37b 77 .name = DRV_NAME,
1da177e4
LT		 78 .id_table = card_ids,
79 .probe = airo_pci_probe,
80 .remove = __devexit_p(airo_pci_remove),
81 .suspend = airo_pci_suspend,
82 .resume = airo_pci_resume,
83};
84#endif /* CONFIG_PCI */
85
86/* Include Wireless Extension definition and check version - Jean II */
87#include <linux/wireless.h>
88#define WIRELESS_SPY // enable iwspy support
89#include <net/iw_handler.h> // New driver API
90
91#define CISCO_EXT // enable Cisco extensions
92#ifdef CISCO_EXT
93#include <linux/delay.h>
94#endif
95
1da177e4
LT		 96/* Hack to do some power saving */
97#define POWER_ON_DOWN
98
99/* As you can see this list is HUGH!
100 I really don't know what a lot of these counts are about, but they
101 are all here for completeness. If the IGNLABEL macro is put in
102 infront of the label, that statistic will not be included in the list
103 of statistics in the /proc filesystem */
104
105#define IGNLABEL(comment) NULL
106static char *statsLabels[] = {
107 "RxOverrun",
108 IGNLABEL("RxPlcpCrcErr"),
109 IGNLABEL("RxPlcpFormatErr"),
110 IGNLABEL("RxPlcpLengthErr"),
111 "RxMacCrcErr",
112 "RxMacCrcOk",
113 "RxWepErr",
114 "RxWepOk",
115 "RetryLong",
116 "RetryShort",
117 "MaxRetries",
118 "NoAck",
119 "NoCts",
120 "RxAck",
121 "RxCts",
122 "TxAck",
123 "TxRts",
124 "TxCts",
125 "TxMc",
126 "TxBc",
127 "TxUcFrags",
128 "TxUcPackets",
129 "TxBeacon",
130 "RxBeacon",
131 "TxSinColl",
132 "TxMulColl",
133 "DefersNo",
134 "DefersProt",
135 "DefersEngy",
136 "DupFram",
137 "RxFragDisc",
138 "TxAged",
139 "RxAged",
140 "LostSync-MaxRetry",
141 "LostSync-MissedBeacons",
142 "LostSync-ArlExceeded",
143 "LostSync-Deauth",
144 "LostSync-Disassoced",
145 "LostSync-TsfTiming",
146 "HostTxMc",
147 "HostTxBc",
148 "HostTxUc",
149 "HostTxFail",
150 "HostRxMc",
151 "HostRxBc",
152 "HostRxUc",
153 "HostRxDiscard",
154 IGNLABEL("HmacTxMc"),
155 IGNLABEL("HmacTxBc"),
156 IGNLABEL("HmacTxUc"),
157 IGNLABEL("HmacTxFail"),
158 IGNLABEL("HmacRxMc"),
159 IGNLABEL("HmacRxBc"),
160 IGNLABEL("HmacRxUc"),
161 IGNLABEL("HmacRxDiscard"),
162 IGNLABEL("HmacRxAccepted"),
163 "SsidMismatch",
164 "ApMismatch",
165 "RatesMismatch",
166 "AuthReject",
167 "AuthTimeout",
168 "AssocReject",
169 "AssocTimeout",
170 IGNLABEL("ReasonOutsideTable"),
171 IGNLABEL("ReasonStatus1"),
172 IGNLABEL("ReasonStatus2"),
173 IGNLABEL("ReasonStatus3"),
174 IGNLABEL("ReasonStatus4"),
175 IGNLABEL("ReasonStatus5"),
176 IGNLABEL("ReasonStatus6"),
177 IGNLABEL("ReasonStatus7"),
178 IGNLABEL("ReasonStatus8"),
179 IGNLABEL("ReasonStatus9"),
180 IGNLABEL("ReasonStatus10"),
181 IGNLABEL("ReasonStatus11"),
182 IGNLABEL("ReasonStatus12"),
183 IGNLABEL("ReasonStatus13"),
184 IGNLABEL("ReasonStatus14"),
185 IGNLABEL("ReasonStatus15"),
186 IGNLABEL("ReasonStatus16"),
187 IGNLABEL("ReasonStatus17"),
188 IGNLABEL("ReasonStatus18"),
189 IGNLABEL("ReasonStatus19"),
190 "RxMan",
191 "TxMan",
192 "RxRefresh",
193 "TxRefresh",
194 "RxPoll",
195 "TxPoll",
196 "HostRetries",
197 "LostSync-HostReq",
198 "HostTxBytes",
199 "HostRxBytes",
200 "ElapsedUsec",
201 "ElapsedSec",
202 "LostSyncBetterAP",
203 "PrivacyMismatch",
204 "Jammed",
205 "DiscRxNotWepped",
206 "PhyEleMismatch",
207 (char*)-1 };
208#ifndef RUN_AT
209#define RUN_AT(x) (jiffies+(x))
210#endif
211
212
213/* These variables are for insmod, since it seems that the rates
214 can only be set in setup_card. Rates should be a comma separated
215 (no spaces) list of rates (up to 8). */
216
217static int rates[8];
218static int basic_rate;
219static char *ssids[3];
220
221static int io[4];
222static int irq[4];
223
224static
225int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
226 0 means no limit. For old cards this was 4 */
227
228static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
229static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
230 the bap, needed on some older cards and buses. */
231static int adhoc;
232
233static int probe = 1;
234
235static int proc_uid /* = 0 */;
236
237static int proc_gid /* = 0 */;
238
239static int airo_perm = 0555;
240
241static int proc_perm = 0644;
242
243MODULE_AUTHOR("Benjamin Reed");
244MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
d73ae55a
BN		 245cards. Direct support for ISA/PCI/MPI cards and support \
246for PCMCIA when used with airo_cs.");
1da177e4
LT		 247MODULE_LICENSE("Dual BSD/GPL");
248MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
249module_param_array(io, int, NULL, 0);
250module_param_array(irq, int, NULL, 0);
251module_param(basic_rate, int, 0);
252module_param_array(rates, int, NULL, 0);
253module_param_array(ssids, charp, NULL, 0);
254module_param(auto_wep, int, 0);
255MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
256the authentication options until an association is made. The value of \
257auto_wep is number of the wep keys to check. A value of 2 will try using \
258the key at index 0 and index 1.");
259module_param(aux_bap, int, 0);
260MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
261than seems to work better for older cards with some older buses. Before \
262switching it checks that the switch is needed.");
263module_param(maxencrypt, int, 0);
264MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
265encryption. Units are in 512kbs. Zero (default) means there is no limit. \
266Older cards used to be limited to 2mbs (4).");
267module_param(adhoc, int, 0);
268MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
269module_param(probe, int, 0);
270MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
271
272module_param(proc_uid, int, 0);
273MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
274module_param(proc_gid, int, 0);
275MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
276module_param(airo_perm, int, 0);
277MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
278module_param(proc_perm, int, 0);
279MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
280
281/* This is a kind of sloppy hack to get this information to OUT4500 and
282 IN4500. I would be extremely interested in the situation where this
283 doesn't work though!!! */
284static int do8bitIO = 0;
285
286/* Return codes */
287#define SUCCESS 0
288#define ERROR -1
289#define NO_PACKET -2
290
291/* Commands */
292#define NOP2 0x0000
293#define MAC_ENABLE 0x0001
294#define MAC_DISABLE 0x0002
295#define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
296#define CMD_SOFTRESET 0x0004
297#define HOSTSLEEP 0x0005
298#define CMD_MAGIC_PKT 0x0006
299#define CMD_SETWAKEMASK 0x0007
300#define CMD_READCFG 0x0008
301#define CMD_SETMODE 0x0009
302#define CMD_ALLOCATETX 0x000a
303#define CMD_TRANSMIT 0x000b
304#define CMD_DEALLOCATETX 0x000c
305#define NOP 0x0010
306#define CMD_WORKAROUND 0x0011
307#define CMD_ALLOCATEAUX 0x0020
308#define CMD_ACCESS 0x0021
309#define CMD_PCIBAP 0x0022
310#define CMD_PCIAUX 0x0023
311#define CMD_ALLOCBUF 0x0028
312#define CMD_GETTLV 0x0029
313#define CMD_PUTTLV 0x002a
314#define CMD_DELTLV 0x002b
315#define CMD_FINDNEXTTLV 0x002c
316#define CMD_PSPNODES 0x0030
317#define CMD_SETCW 0x0031
318#define CMD_SETPCF 0x0032
319#define CMD_SETPHYREG 0x003e
320#define CMD_TXTEST 0x003f
321#define MAC_ENABLETX 0x0101
322#define CMD_LISTBSS 0x0103
323#define CMD_SAVECFG 0x0108
324#define CMD_ENABLEAUX 0x0111
325#define CMD_WRITERID 0x0121
326#define CMD_USEPSPNODES 0x0130
327#define MAC_ENABLERX 0x0201
328
329/* Command errors */
330#define ERROR_QUALIF 0x00
331#define ERROR_ILLCMD 0x01
332#define ERROR_ILLFMT 0x02
333#define ERROR_INVFID 0x03
334#define ERROR_INVRID 0x04
335#define ERROR_LARGE 0x05
336#define ERROR_NDISABL 0x06
337#define ERROR_ALLOCBSY 0x07
338#define ERROR_NORD 0x0B
339#define ERROR_NOWR 0x0C
340#define ERROR_INVFIDTX 0x0D
341#define ERROR_TESTACT 0x0E
342#define ERROR_TAGNFND 0x12
343#define ERROR_DECODE 0x20
344#define ERROR_DESCUNAV 0x21
345#define ERROR_BADLEN 0x22
346#define ERROR_MODE 0x80
347#define ERROR_HOP 0x81
348#define ERROR_BINTER 0x82
349#define ERROR_RXMODE 0x83
350#define ERROR_MACADDR 0x84
351#define ERROR_RATES 0x85
352#define ERROR_ORDER 0x86
353#define ERROR_SCAN 0x87
354#define ERROR_AUTH 0x88
355#define ERROR_PSMODE 0x89
356#define ERROR_RTYPE 0x8A
357#define ERROR_DIVER 0x8B
358#define ERROR_SSID 0x8C
359#define ERROR_APLIST 0x8D
360#define ERROR_AUTOWAKE 0x8E
361#define ERROR_LEAP 0x8F
362
363/* Registers */
364#define COMMAND 0x00
365#define PARAM0 0x02
366#define PARAM1 0x04
367#define PARAM2 0x06
368#define STATUS 0x08
369#define RESP0 0x0a
370#define RESP1 0x0c
371#define RESP2 0x0e
372#define LINKSTAT 0x10
373#define SELECT0 0x18
374#define OFFSET0 0x1c
375#define RXFID 0x20
376#define TXALLOCFID 0x22
377#define TXCOMPLFID 0x24
378#define DATA0 0x36
379#define EVSTAT 0x30
380#define EVINTEN 0x32
381#define EVACK 0x34
382#define SWS0 0x28
383#define SWS1 0x2a
384#define SWS2 0x2c
385#define SWS3 0x2e
386#define AUXPAGE 0x3A
387#define AUXOFF 0x3C
388#define AUXDATA 0x3E
389
390#define FID_TX 1
391#define FID_RX 2
392/* Offset into aux memory for descriptors */
393#define AUX_OFFSET 0x800
394/* Size of allocated packets */
395#define PKTSIZE 1840
396#define RIDSIZE 2048
397/* Size of the transmit queue */
398#define MAXTXQ 64
399
400/* BAP selectors */
401#define BAP0 0 // Used for receiving packets
402#define BAP1 2 // Used for xmiting packets and working with RIDS
403
404/* Flags */
405#define COMMAND_BUSY 0x8000
406
407#define BAP_BUSY 0x8000
408#define BAP_ERR 0x4000
409#define BAP_DONE 0x2000
410
411#define PROMISC 0xffff
412#define NOPROMISC 0x0000
413
414#define EV_CMD 0x10
415#define EV_CLEARCOMMANDBUSY 0x4000
416#define EV_RX 0x01
417#define EV_TX 0x02
418#define EV_TXEXC 0x04
419#define EV_ALLOC 0x08
420#define EV_LINK 0x80
421#define EV_AWAKE 0x100
422#define EV_TXCPY 0x400
423#define EV_UNKNOWN 0x800
424#define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
425#define EV_AWAKEN 0x2000
426#define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
427
428#ifdef CHECK_UNKNOWN_INTS
429#define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
430#else
431#define IGNORE_INTS (~STATUS_INTS)
432#endif
433
434/* RID TYPES */
435#define RID_RW 0x20
436
437/* The RIDs */
438#define RID_CAPABILITIES 0xFF00
439#define RID_APINFO 0xFF01
440#define RID_RADIOINFO 0xFF02
441#define RID_UNKNOWN3 0xFF03
442#define RID_RSSI 0xFF04
443#define RID_CONFIG 0xFF10
444#define RID_SSID 0xFF11
445#define RID_APLIST 0xFF12
446#define RID_DRVNAME 0xFF13
447#define RID_ETHERENCAP 0xFF14
448#define RID_WEP_TEMP 0xFF15
449#define RID_WEP_PERM 0xFF16
450#define RID_MODULATION 0xFF17
451#define RID_OPTIONS 0xFF18
452#define RID_ACTUALCONFIG 0xFF20 /*readonly*/
453#define RID_FACTORYCONFIG 0xFF21
454#define RID_UNKNOWN22 0xFF22
455#define RID_LEAPUSERNAME 0xFF23
456#define RID_LEAPPASSWORD 0xFF24
457#define RID_STATUS 0xFF50
458#define RID_BEACON_HST 0xFF51
459#define RID_BUSY_HST 0xFF52
460#define RID_RETRIES_HST 0xFF53
461#define RID_UNKNOWN54 0xFF54
462#define RID_UNKNOWN55 0xFF55
463#define RID_UNKNOWN56 0xFF56
464#define RID_MIC 0xFF57
465#define RID_STATS16 0xFF60
466#define RID_STATS16DELTA 0xFF61
467#define RID_STATS16DELTACLEAR 0xFF62
468#define RID_STATS 0xFF68
469#define RID_STATSDELTA 0xFF69
470#define RID_STATSDELTACLEAR 0xFF6A
471#define RID_ECHOTEST_RID 0xFF70
472#define RID_ECHOTEST_RESULTS 0xFF71
473#define RID_BSSLISTFIRST 0xFF72
474#define RID_BSSLISTNEXT 0xFF73
3c304956
DW		 475#define RID_WPA_BSSLISTFIRST 0xFF74
476#define RID_WPA_BSSLISTNEXT 0xFF75
1da177e4
LT		 477
478typedef struct {
479 u16 cmd;
480 u16 parm0;
481 u16 parm1;
482 u16 parm2;
483} Cmd;
484
485typedef struct {
486 u16 status;
487 u16 rsp0;
488 u16 rsp1;
489 u16 rsp2;
490} Resp;
491
492/*
493 * Rids and endian-ness: The Rids will always be in cpu endian, since
494 * this all the patches from the big-endian guys end up doing that.
495 * so all rid access should use the read/writeXXXRid routines.
496 */
497
498/* This is redundant for x86 archs, but it seems necessary for ARM */
499#pragma pack(1)
500
501/* This structure came from an email sent to me from an engineer at
502 aironet for inclusion into this driver */
503typedef struct {
504 u16 len;
505 u16 kindex;
506 u8 mac[ETH_ALEN];
507 u16 klen;
508 u8 key[16];
509} WepKeyRid;
510
511/* These structures are from the Aironet's PC4500 Developers Manual */
512typedef struct {
0dd2212f 513 __le16 len;
1da177e4
LT		 514 u8 ssid[32];
515} Ssid;
516
517typedef struct {
0dd2212f 518 __le16 len;
1da177e4
LT		 519 Ssid ssids[3];
520} SsidRid;
521
522typedef struct {
523 u16 len;
524 u16 modulation;
525#define MOD_DEFAULT 0
526#define MOD_CCK 1
527#define MOD_MOK 2
528} ModulationRid;
529
530typedef struct {
531 u16 len; /* sizeof(ConfigRid) */
532 u16 opmode; /* operating mode */
533#define MODE_STA_IBSS 0
534#define MODE_STA_ESS 1
535#define MODE_AP 2
536#define MODE_AP_RPTR 3
537#define MODE_ETHERNET_HOST (0<<8) /* rx payloads converted */
538#define MODE_LLC_HOST (1<<8) /* rx payloads left as is */
539#define MODE_AIRONET_EXTEND (1<<9) /* enable Aironet extenstions */
540#define MODE_AP_INTERFACE (1<<10) /* enable ap interface extensions */
541#define MODE_ANTENNA_ALIGN (1<<11) /* enable antenna alignment */
542#define MODE_ETHER_LLC (1<<12) /* enable ethernet LLC */
543#define MODE_LEAF_NODE (1<<13) /* enable leaf node bridge */
544#define MODE_CF_POLLABLE (1<<14) /* enable CF pollable */
545#define MODE_MIC (1<<15) /* enable MIC */
546 u16 rmode; /* receive mode */
547#define RXMODE_BC_MC_ADDR 0
548#define RXMODE_BC_ADDR 1 /* ignore multicasts */
549#define RXMODE_ADDR 2 /* ignore multicast and broadcast */
550#define RXMODE_RFMON 3 /* wireless monitor mode */
551#define RXMODE_RFMON_ANYBSS 4
552#define RXMODE_LANMON 5 /* lan style monitor -- data packets only */
553#define RXMODE_DISABLE_802_3_HEADER (1<<8) /* disables 802.3 header on rx */
554#define RXMODE_NORMALIZED_RSSI (1<<9) /* return normalized RSSI */
555 u16 fragThresh;
556 u16 rtsThres;
557 u8 macAddr[ETH_ALEN];
558 u8 rates[8];
559 u16 shortRetryLimit;
560 u16 longRetryLimit;
561 u16 txLifetime; /* in kusec */
562 u16 rxLifetime; /* in kusec */
563 u16 stationary;
564 u16 ordering;
565 u16 u16deviceType; /* for overriding device type */
566 u16 cfpRate;
567 u16 cfpDuration;
568 u16 _reserved1[3];
569 /*---------- Scanning/Associating ----------*/
570 u16 scanMode;
571#define SCANMODE_ACTIVE 0
572#define SCANMODE_PASSIVE 1
573#define SCANMODE_AIROSCAN 2
574 u16 probeDelay; /* in kusec */
575 u16 probeEnergyTimeout; /* in kusec */
576 u16 probeResponseTimeout;
577 u16 beaconListenTimeout;
578 u16 joinNetTimeout;
579 u16 authTimeout;
580 u16 authType;
581#define AUTH_OPEN 0x1
582#define AUTH_ENCRYPT 0x101
583#define AUTH_SHAREDKEY 0x102
584#define AUTH_ALLOW_UNENCRYPTED 0x200
585 u16 associationTimeout;
586 u16 specifiedApTimeout;
587 u16 offlineScanInterval;
588 u16 offlineScanDuration;
589 u16 linkLossDelay;
590 u16 maxBeaconLostTime;
591 u16 refreshInterval;
592#define DISABLE_REFRESH 0xFFFF
593 u16 _reserved1a[1];
594 /*---------- Power save operation ----------*/
595 u16 powerSaveMode;
596#define POWERSAVE_CAM 0
597#define POWERSAVE_PSP 1
598#define POWERSAVE_PSPCAM 2
599 u16 sleepForDtims;
600 u16 listenInterval;
601 u16 fastListenInterval;
602 u16 listenDecay;
603 u16 fastListenDelay;
604 u16 _reserved2[2];
605 /*---------- Ap/Ibss config items ----------*/
606 u16 beaconPeriod;
607 u16 atimDuration;
608 u16 hopPeriod;
609 u16 channelSet;
610 u16 channel;
611 u16 dtimPeriod;
612 u16 bridgeDistance;
613 u16 radioID;
614 /*---------- Radio configuration ----------*/
615 u16 radioType;
616#define RADIOTYPE_DEFAULT 0
617#define RADIOTYPE_802_11 1
618#define RADIOTYPE_LEGACY 2
619 u8 rxDiversity;
620 u8 txDiversity;
621 u16 txPower;
622#define TXPOWER_DEFAULT 0
623 u16 rssiThreshold;
624#define RSSI_DEFAULT 0
625 u16 modulation;
626#define PREAMBLE_AUTO 0
627#define PREAMBLE_LONG 1
628#define PREAMBLE_SHORT 2
629 u16 preamble;
630 u16 homeProduct;
631 u16 radioSpecific;
632 /*---------- Aironet Extensions ----------*/
633 u8 nodeName[16];
634 u16 arlThreshold;
635 u16 arlDecay;
636 u16 arlDelay;
637 u16 _reserved4[1];
638 /*---------- Aironet Extensions ----------*/
639 u8 magicAction;
640#define MAGIC_ACTION_STSCHG 1
641#define MAGIC_ACTION_RESUME 2
642#define MAGIC_IGNORE_MCAST (1<<8)
643#define MAGIC_IGNORE_BCAST (1<<9)
644#define MAGIC_SWITCH_TO_PSP (0<<10)
645#define MAGIC_STAY_IN_CAM (1<<10)
646 u8 magicControl;
647 u16 autoWake;
648} ConfigRid;
649
650typedef struct {
651 u16 len;
652 u8 mac[ETH_ALEN];
653 u16 mode;
654 u16 errorCode;
655 u16 sigQuality;
656 u16 SSIDlen;
657 char SSID[32];
658 char apName[16];
659 u8 bssid[4][ETH_ALEN];
660 u16 beaconPeriod;
661 u16 dimPeriod;
662 u16 atimDuration;
663 u16 hopPeriod;
664 u16 channelSet;
665 u16 channel;
666 u16 hopsToBackbone;
667 u16 apTotalLoad;
668 u16 generatedLoad;
669 u16 accumulatedArl;
670 u16 signalQuality;
671 u16 currentXmitRate;
672 u16 apDevExtensions;
673 u16 normalizedSignalStrength;
674 u16 shortPreamble;
675 u8 apIP[4];
676 u8 noisePercent; /* Noise percent in last second */
677 u8 noisedBm; /* Noise dBm in last second */
678 u8 noiseAvePercent; /* Noise percent in last minute */
679 u8 noiseAvedBm; /* Noise dBm in last minute */
680 u8 noiseMaxPercent; /* Highest noise percent in last minute */
681 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
682 u16 load;
683 u8 carrier[4];
684 u16 assocStatus;
685#define STAT_NOPACKETS 0
686#define STAT_NOCARRIERSET 10
687#define STAT_GOTCARRIERSET 11
688#define STAT_WRONGSSID 20
689#define STAT_BADCHANNEL 25
690#define STAT_BADBITRATES 30
691#define STAT_BADPRIVACY 35
692#define STAT_APFOUND 40
693#define STAT_APREJECTED 50
694#define STAT_AUTHENTICATING 60
695#define STAT_DEAUTHENTICATED 61
696#define STAT_AUTHTIMEOUT 62
697#define STAT_ASSOCIATING 70
698#define STAT_DEASSOCIATED 71
699#define STAT_ASSOCTIMEOUT 72
700#define STAT_NOTAIROAP 73
701#define STAT_ASSOCIATED 80
702#define STAT_LEAPING 90
703#define STAT_LEAPFAILED 91
704#define STAT_LEAPTIMEDOUT 92
705#define STAT_LEAPCOMPLETE 93
706} StatusRid;
707
708typedef struct {
709 u16 len;
710 u16 spacer;
711 u32 vals[100];
712} StatsRid;
713
714
715typedef struct {
716 u16 len;
717 u8 ap[4][ETH_ALEN];
718} APListRid;
719
720typedef struct {
721 u16 len;
722 char oui[3];
723 char zero;
724 u16 prodNum;
725 char manName[32];
726 char prodName[16];
727 char prodVer[8];
728 char factoryAddr[ETH_ALEN];
729 char aironetAddr[ETH_ALEN];
730 u16 radioType;
731 u16 country;
732 char callid[ETH_ALEN];
733 char supportedRates[8];
734 char rxDiversity;
735 char txDiversity;
736 u16 txPowerLevels[8];
737 u16 hardVer;
738 u16 hardCap;
739 u16 tempRange;
740 u16 softVer;
741 u16 softSubVer;
742 u16 interfaceVer;
743 u16 softCap;
744 u16 bootBlockVer;
745 u16 requiredHard;
746 u16 extSoftCap;
747} CapabilityRid;
748
3c304956
DW		 749
750/* Only present on firmware >= 5.30.17 */
751typedef struct {
752 u16 unknown[4];
753 u8 fixed[12]; /* WLAN management frame */
754 u8 iep[624];
755} BSSListRidExtra;
756
1da177e4
LT		 757typedef struct {
758 u16 len;
759 u16 index; /* First is 0 and 0xffff means end of list */
760#define RADIO_FH 1 /* Frequency hopping radio type */
761#define RADIO_DS 2 /* Direct sequence radio type */
762#define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
763 u16 radioType;
764 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
765 u8 zero;
766 u8 ssidLen;
767 u8 ssid[32];
41480af2 768 u16 dBm;
1da177e4
LT		 769#define CAP_ESS (1<<0)
770#define CAP_IBSS (1<<1)
771#define CAP_PRIVACY (1<<4)
772#define CAP_SHORTHDR (1<<5)
773 u16 cap;
774 u16 beaconInterval;
775 u8 rates[8]; /* Same as rates for config rid */
776 struct { /* For frequency hopping only */
777 u16 dwell;
778 u8 hopSet;
779 u8 hopPattern;
780 u8 hopIndex;
781 u8 fill;
782 } fh;
783 u16 dsChannel;
784 u16 atimWindow;
3c304956
DW		 785
786 /* Only present on firmware >= 5.30.17 */
787 BSSListRidExtra extra;
1da177e4
LT		 788} BSSListRid;
789
9e75af30
DW		 790typedef struct {
791 BSSListRid bss;
792 struct list_head list;
793} BSSListElement;
794
1da177e4
LT		 795typedef struct {
796 u8 rssipct;
797 u8 rssidBm;
798} tdsRssiEntry;
799
800typedef struct {
801 u16 len;
802 tdsRssiEntry x[256];
803} tdsRssiRid;
804
805typedef struct {
806 u16 len;
807 u16 state;
808 u16 multicastValid;
809 u8 multicast[16];
810 u16 unicastValid;
811 u8 unicast[16];
812} MICRid;
813
814typedef struct {
593c2b9c 815 __be16 typelen;
1da177e4
LT		 816
817 union {
818 u8 snap[8];
819 struct {
820 u8 dsap;
821 u8 ssap;
822 u8 control;
823 u8 orgcode[3];
824 u8 fieldtype[2];
825 } llc;
826 } u;
593c2b9c
AV		 827 __be32 mic;
828 __be32 seq;
1da177e4
LT		 829} MICBuffer;
830
831typedef struct {
832 u8 da[ETH_ALEN];
833 u8 sa[ETH_ALEN];
834} etherHead;
835
836#pragma pack()
837
838#define TXCTL_TXOK (1<<1) /* report if tx is ok */
839#define TXCTL_TXEX (1<<2) /* report if tx fails */
840#define TXCTL_802_3 (0<<3) /* 802.3 packet */
841#define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
842#define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
843#define TXCTL_LLC (1<<4) /* payload is llc */
844#define TXCTL_RELEASE (0<<5) /* release after completion */
845#define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
846
847#define BUSY_FID 0x10000
848
849#ifdef CISCO_EXT
850#define AIROMAGIC 0xa55a
851/* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
852#ifdef SIOCIWFIRSTPRIV
853#ifdef SIOCDEVPRIVATE
854#define AIROOLDIOCTL SIOCDEVPRIVATE
855#define AIROOLDIDIFC AIROOLDIOCTL + 1
856#endif /* SIOCDEVPRIVATE */
857#else /* SIOCIWFIRSTPRIV */
858#define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
859#endif /* SIOCIWFIRSTPRIV */
860/* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
861 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
862 * only and don't return the modified struct ifreq to the application which
863 * is usually a problem. - Jean II */
864#define AIROIOCTL SIOCIWFIRSTPRIV
865#define AIROIDIFC AIROIOCTL + 1
866
867/* Ioctl constants to be used in airo_ioctl.command */
868
869#define AIROGCAP 0 // Capability rid
870#define AIROGCFG 1 // USED A LOT
871#define AIROGSLIST 2 // System ID list
872#define AIROGVLIST 3 // List of specified AP's
873#define AIROGDRVNAM 4 // NOTUSED
874#define AIROGEHTENC 5 // NOTUSED
875#define AIROGWEPKTMP 6
876#define AIROGWEPKNV 7
877#define AIROGSTAT 8
878#define AIROGSTATSC32 9
879#define AIROGSTATSD32 10
880#define AIROGMICRID 11
881#define AIROGMICSTATS 12
882#define AIROGFLAGS 13
883#define AIROGID 14
884#define AIRORRID 15
885#define AIRORSWVERSION 17
886
887/* Leave gap of 40 commands after AIROGSTATSD32 for future */
888
889#define AIROPCAP AIROGSTATSD32 + 40
890#define AIROPVLIST AIROPCAP + 1
891#define AIROPSLIST AIROPVLIST + 1
892#define AIROPCFG AIROPSLIST + 1
893#define AIROPSIDS AIROPCFG + 1
894#define AIROPAPLIST AIROPSIDS + 1
895#define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
896#define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
897#define AIROPSTCLR AIROPMACOFF + 1
898#define AIROPWEPKEY AIROPSTCLR + 1
899#define AIROPWEPKEYNV AIROPWEPKEY + 1
900#define AIROPLEAPPWD AIROPWEPKEYNV + 1
901#define AIROPLEAPUSR AIROPLEAPPWD + 1
902
903/* Flash codes */
904
905#define AIROFLSHRST AIROPWEPKEYNV + 40
906#define AIROFLSHGCHR AIROFLSHRST + 1
907#define AIROFLSHSTFL AIROFLSHGCHR + 1
908#define AIROFLSHPCHR AIROFLSHSTFL + 1
909#define AIROFLPUTBUF AIROFLSHPCHR + 1
910#define AIRORESTART AIROFLPUTBUF + 1
911
912#define FLASHSIZE 32768
913#define AUXMEMSIZE (256 * 1024)
914
915typedef struct aironet_ioctl {
916 unsigned short command; // What to do
917 unsigned short len; // Len of data
918 unsigned short ridnum; // rid number
919 unsigned char __user *data; // d-data
920} aironet_ioctl;
921
62595eb9 922static char swversion[] = "2.1";
1da177e4
LT		 923#endif /* CISCO_EXT */
924
925#define NUM_MODULES 2
926#define MIC_MSGLEN_MAX 2400
927#define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
15db2763 928#define AIRO_DEF_MTU 2312
1da177e4
LT		 929
930typedef struct {
931 u32 size; // size
932 u8 enabled; // MIC enabled or not
933 u32 rxSuccess; // successful packets received
934 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
935 u32 rxNotMICed; // pkts dropped due to not being MIC'd
936 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
937 u32 rxWrongSequence; // pkts dropped due to sequence number violation
938 u32 reserve[32];
939} mic_statistics;
940
941typedef struct {
942 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
943 u64 accum; // accumulated mic, reduced to u32 in final()
944 int position; // current position (byte offset) in message
945 union {
946 u8 d8[4];
593c2b9c 947 __be32 d32;
1da177e4
LT		 948 } part; // saves partial message word across update() calls
949} emmh32_context;
950
951typedef struct {
952 emmh32_context seed; // Context - the seed
953 u32 rx; // Received sequence number
954 u32 tx; // Tx sequence number
955 u32 window; // Start of window
956 u8 valid; // Flag to say if context is valid or not
957 u8 key[16];
958} miccntx;
959
960typedef struct {
961 miccntx mCtx; // Multicast context
962 miccntx uCtx; // Unicast context
963} mic_module;
964
965typedef struct {
966 unsigned int rid: 16;
967 unsigned int len: 15;
968 unsigned int valid: 1;
969 dma_addr_t host_addr;
970} Rid;
971
972typedef struct {
973 unsigned int offset: 15;
974 unsigned int eoc: 1;
975 unsigned int len: 15;
976 unsigned int valid: 1;
977 dma_addr_t host_addr;
978} TxFid;
979
980typedef struct {
981 unsigned int ctl: 15;
982 unsigned int rdy: 1;
983 unsigned int len: 15;
984 unsigned int valid: 1;
985 dma_addr_t host_addr;
986} RxFid;
987
988/*
989 * Host receive descriptor
990 */
991typedef struct {
992 unsigned char __iomem *card_ram_off; /* offset into card memory of the
993 desc */
994 RxFid rx_desc; /* card receive descriptor */
995 char *virtual_host_addr; /* virtual address of host receive
996 buffer */
997 int pending;
998} HostRxDesc;
999
1000/*
1001 * Host transmit descriptor
1002 */
1003typedef struct {
1004 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1005 desc */
1006 TxFid tx_desc; /* card transmit descriptor */
1007 char *virtual_host_addr; /* virtual address of host receive
1008 buffer */
1009 int pending;
1010} HostTxDesc;
1011
1012/*
1013 * Host RID descriptor
1014 */
1015typedef struct {
1016 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1017 descriptor */
1018 Rid rid_desc; /* card RID descriptor */
1019 char *virtual_host_addr; /* virtual address of host receive
1020 buffer */
1021} HostRidDesc;
1022
1023typedef struct {
1024 u16 sw0;
1025 u16 sw1;
1026 u16 status;
1027 u16 len;
1028#define HOST_SET (1 << 0)
1029#define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1030#define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1031#define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1032#define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1033#define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1034#define HOST_CLR_AID (1 << 7) /* clear AID failure */
1035#define HOST_RTS (1 << 9) /* Force RTS use */
1036#define HOST_SHORT (1 << 10) /* Do short preamble */
1037 u16 ctl;
1038 u16 aid;
1039 u16 retries;
1040 u16 fill;
1041} TxCtlHdr;
1042
1043typedef struct {
1044 u16 ctl;
1045 u16 duration;
1046 char addr1[6];
1047 char addr2[6];
1048 char addr3[6];
1049 u16 seq;
1050 char addr4[6];
1051} WifiHdr;
1052
1053
1054typedef struct {
1055 TxCtlHdr ctlhdr;
1056 u16 fill1;
1057 u16 fill2;
1058 WifiHdr wifihdr;
1059 u16 gaplen;
1060 u16 status;
1061} WifiCtlHdr;
1062
ff1d2767 1063static WifiCtlHdr wifictlhdr8023 = {
1da177e4
LT		 1064 .ctlhdr = {
1065 .ctl = HOST_DONT_RLSE,
1066 }
1067};
1068
1da177e4
LT		 1069// Frequency list (map channels to frequencies)
1070static const long frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1071 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
1072
1073// A few details needed for WEP (Wireless Equivalent Privacy)
1074#define MAX_KEY_SIZE 13 // 128 (?) bits
1075#define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1076typedef struct wep_key_t {
1077 u16 len;
1078 u8 key[16]; /* 40-bit and 104-bit keys */
1079} wep_key_t;
1080
1081/* Backward compatibility */
1082#ifndef IW_ENCODE_NOKEY
1083#define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1084#define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1085#endif /* IW_ENCODE_NOKEY */
1086
1087/* List of Wireless Handlers (new API) */
1088static const struct iw_handler_def airo_handler_def;
1da177e4
LT		 1089
1090static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1091
1092struct airo_info;
1093
1094static int get_dec_u16( char *buffer, int *start, int limit );
1095static void OUT4500( struct airo_info *, u16 register, u16 value );
1096static unsigned short IN4500( struct airo_info *, u16 register );
1097static u16 setup_card(struct airo_info*, u8 *mac, int lock);
175ec1a1 1098static int enable_MAC(struct airo_info *ai, int lock);
1da177e4
LT		 1099static void disable_MAC(struct airo_info *ai, int lock);
1100static void enable_interrupts(struct airo_info*);
1101static void disable_interrupts(struct airo_info*);
1102static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1103static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
b8c06bc1 1104static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1da177e4 1105 int whichbap);
b8c06bc1 1106static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1da177e4 1107 int whichbap);
b8c06bc1 1108static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1da177e4
LT		 1109 int whichbap);
1110static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1111static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1112static int PC4500_writerid(struct airo_info*, u16 rid, const void
1113 *pBuf, int len, int lock);
1114static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1115 int len, int dummy );
1116static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1117static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1118static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1119
1120static int mpi_send_packet (struct net_device *dev);
1121static void mpi_unmap_card(struct pci_dev *pci);
1122static void mpi_receive_802_3(struct airo_info *ai);
1123static void mpi_receive_802_11(struct airo_info *ai);
1124static int waitbusy (struct airo_info *ai);
1125
7d12e780 1126static irqreturn_t airo_interrupt( int irq, void* dev_id);
1da177e4
LT		 1127static int airo_thread(void *data);
1128static void timer_func( struct net_device *dev );
1129static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
ff1d2767 1130static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1da177e4 1131static void airo_read_wireless_stats (struct airo_info *local);
1da177e4
LT		 1132#ifdef CISCO_EXT
1133static int readrids(struct net_device *dev, aironet_ioctl *comp);
1134static int writerids(struct net_device *dev, aironet_ioctl *comp);
ff1d2767 1135static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1da177e4 1136#endif /* CISCO_EXT */
1da177e4
LT		 1137static void micinit(struct airo_info *ai);
1138static int micsetup(struct airo_info *ai);
1139static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1140static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1141
41480af2
DW		 1142static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1143static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1144
9e75af30
DW		 1145static void airo_networks_free(struct airo_info *ai);
1146
1da177e4
LT		 1147struct airo_info {
1148 struct net_device_stats stats;
1149 struct net_device *dev;
af5b5c9a 1150 struct list_head dev_list;
1da177e4
LT		 1151 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1152 use the high bit to mark whether it is in use. */
1153#define MAX_FIDS 6
1154#define MPI_MAX_FIDS 1
1155 int fids[MAX_FIDS];
1156 ConfigRid config;
1157 char keyindex; // Used with auto wep
1158 char defindex; // Used with auto wep
1159 struct proc_dir_entry *proc_entry;
1160 spinlock_t aux_lock;
1da177e4
LT		 1161#define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1162#define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1163#define FLAG_RADIO_MASK 0x03
1164#define FLAG_ENABLED 2
1165#define FLAG_ADHOC 3 /* Needed by MIC */
1166#define FLAG_MIC_CAPABLE 4
1167#define FLAG_UPDATE_MULTI 5
1168#define FLAG_UPDATE_UNI 6
1169#define FLAG_802_11 7
3c304956 1170#define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1da177e4
LT		 1171#define FLAG_PENDING_XMIT 9
1172#define FLAG_PENDING_XMIT11 10
1173#define FLAG_MPI 11
1174#define FLAG_REGISTERED 12
1175#define FLAG_COMMIT 13
1176#define FLAG_RESET 14
1177#define FLAG_FLASHING 15
3c304956
DW		 1178#define FLAG_WPA_CAPABLE 16
1179 unsigned long flags;
1180#define JOB_DIE 0
1181#define JOB_XMIT 1
1182#define JOB_XMIT11 2
1183#define JOB_STATS 3
1184#define JOB_PROMISC 4
1185#define JOB_MIC 5
1186#define JOB_EVENT 6
1187#define JOB_AUTOWEP 7
1188#define JOB_WSTATS 8
1189#define JOB_SCAN_RESULTS 9
1190 unsigned long jobs;
b8c06bc1 1191 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1da177e4
LT		 1192 int whichbap);
1193 unsigned short *flash;
1194 tdsRssiEntry *rssi;
3b4c7d64
SB		 1195 struct task_struct *list_bss_task;
1196 struct task_struct *airo_thread_task;
1da177e4 1197 struct semaphore sem;
1da177e4 1198 wait_queue_head_t thr_wait;
1da177e4
LT		 1199 unsigned long expires;
1200 struct {
1201 struct sk_buff *skb;
1202 int fid;
1203 } xmit, xmit11;
1204 struct net_device *wifidev;
1da177e4 1205 struct iw_statistics wstats; // wireless stats
9e75af30 1206 unsigned long scan_timeout; /* Time scan should be read */
1da177e4
LT		 1207 struct iw_spy_data spy_data;
1208 struct iw_public_data wireless_data;
1da177e4 1209 /* MIC stuff */
f12cc209 1210 struct crypto_cipher *tfm;
1da177e4
LT		 1211 mic_module mod[2];
1212 mic_statistics micstats;
1da177e4
LT		 1213 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1214 HostTxDesc txfids[MPI_MAX_FIDS];
1215 HostRidDesc config_desc;
1216 unsigned long ridbus; // phys addr of config_desc
1217 struct sk_buff_head txq;// tx queue used by mpi350 code
1218 struct pci_dev *pci;
1219 unsigned char __iomem *pcimem;
1220 unsigned char __iomem *pciaux;
1221 unsigned char *shared;
1222 dma_addr_t shared_dma;
1cc68ae0 1223 pm_message_t power;
1da177e4
LT		 1224 SsidRid *SSID;
1225 APListRid *APList;
1226#define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1227 char proc_name[IFNAMSIZ];
9e75af30 1228
3c304956
DW		 1229 /* WPA-related stuff */
1230 unsigned int bssListFirst;
1231 unsigned int bssListNext;
1232 unsigned int bssListRidLen;
1233
9e75af30
DW		 1234 struct list_head network_list;
1235 struct list_head network_free_list;
1236 BSSListElement *networks;
1da177e4
LT		 1237};
1238
b8c06bc1
AV		 1239static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1240 int whichbap)
1241{
1da177e4
LT		 1242 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1243}
1244
1245static int setup_proc_entry( struct net_device *dev,
1246 struct airo_info *apriv );
1247static int takedown_proc_entry( struct net_device *dev,
1248 struct airo_info *apriv );
1249
ff1d2767
JM		 1250static int cmdreset(struct airo_info *ai);
1251static int setflashmode (struct airo_info *ai);
1252static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1253static int flashputbuf(struct airo_info *ai);
1254static int flashrestart(struct airo_info *ai,struct net_device *dev);
1255
934d8bf1 1256#define airo_print(type, name, fmt, args...) \
1138c37b 1257 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
934d8bf1
DW		 1258
1259#define airo_print_info(name, fmt, args...) \
1260 airo_print(KERN_INFO, name, fmt, ##args)
1261
1262#define airo_print_dbg(name, fmt, args...) \
1263 airo_print(KERN_DEBUG, name, fmt, ##args)
1264
1265#define airo_print_warn(name, fmt, args...) \
1266 airo_print(KERN_WARNING, name, fmt, ##args)
1267
1268#define airo_print_err(name, fmt, args...) \
1269 airo_print(KERN_ERR, name, fmt, ##args)
1270
1271
1da177e4
LT		 1272/***********************************************************************
1273 * MIC ROUTINES *
1274 ***********************************************************************
1275 */
1276
1277static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1278static void MoveWindow(miccntx *context, u32 micSeq);
f12cc209
HX		 1279static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1280 struct crypto_cipher *tfm);
ff1d2767
JM		 1281static void emmh32_init(emmh32_context *context);
1282static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1283static void emmh32_final(emmh32_context *context, u8 digest[4]);
1284static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1da177e4
LT		 1285
1286/* micinit - Initialize mic seed */
1287
1288static void micinit(struct airo_info *ai)
1289{
1290 MICRid mic_rid;
1291
3c304956 1292 clear_bit(JOB_MIC, &ai->jobs);
1da177e4
LT		 1293 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1294 up(&ai->sem);
1295
1296 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1297
1298 if (ai->micstats.enabled) {
1299 /* Key must be valid and different */
1300 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1301 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1302 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1303 /* Age current mic Context */
1304 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1305 /* Initialize new context */
1306 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1307 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1308 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1309 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1310 ai->mod[0].mCtx.valid = 1; //Key is now valid
1311
1312 /* Give key to mic seed */
1313 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1314 }
1315
1316 /* Key must be valid and different */
1317 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1318 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1319 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1320 /* Age current mic Context */
1321 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1322 /* Initialize new context */
1323 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1324
1325 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1326 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1327 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1328 ai->mod[0].uCtx.valid = 1; //Key is now valid
1329
1330 //Give key to mic seed
1331 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1332 }
1333 } else {
1334 /* So next time we have a valid key and mic is enabled, we will update
1335 * the sequence number if the key is the same as before.
1336 */
1337 ai->mod[0].uCtx.valid = 0;
1338 ai->mod[0].mCtx.valid = 0;
1339 }
1340}
1341
1342/* micsetup - Get ready for business */
1343
1344static int micsetup(struct airo_info *ai) {
1345 int i;
1346
1347 if (ai->tfm == NULL)
f12cc209 1348 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1da177e4 1349
f12cc209 1350 if (IS_ERR(ai->tfm)) {
934d8bf1 1351 airo_print_err(ai->dev->name, "failed to load transform for AES");
f12cc209 1352 ai->tfm = NULL;
1da177e4
LT		 1353 return ERROR;
1354 }
1355
1356 for (i=0; i < NUM_MODULES; i++) {
1357 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1358 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1359 }
1360 return SUCCESS;
1361}
1362
ff1d2767 1363static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1da177e4
LT		 1364
1365/*===========================================================================
1366 * Description: Mic a packet
1367 *
1368 * Inputs: etherHead * pointer to an 802.3 frame
1369 *
1370 * Returns: BOOLEAN if successful, otherwise false.
1371 * PacketTxLen will be updated with the mic'd packets size.
1372 *
1373 * Caveats: It is assumed that the frame buffer will already
1374 * be big enough to hold the largets mic message possible.
1375 * (No memory allocation is done here).
1376 *
1377 * Author: sbraneky (10/15/01)
1378 * Merciless hacks by rwilcher (1/14/02)
1379 */
1380
1381static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1382{
1383 miccntx *context;
1384
1385 // Determine correct context
1386 // If not adhoc, always use unicast key
1387
1388 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1389 context = &ai->mod[0].mCtx;
1390 else
1391 context = &ai->mod[0].uCtx;
1392
1393 if (!context->valid)
1394 return ERROR;
1395
1396 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1397
1398 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1399
1400 // Add Tx sequence
1401 mic->seq = htonl(context->tx);
1402 context->tx += 2;
1403
1404 emmh32_init(&context->seed); // Mic the packet
1405 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1406 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1407 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1408 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1409 emmh32_final(&context->seed, (u8*)&mic->mic);
1410
1411 /* New Type/length ?????????? */
1412 mic->typelen = 0; //Let NIC know it could be an oversized packet
1413 return SUCCESS;
1414}
1415
1416typedef enum {
1417 NONE,
1418 NOMIC,
1419 NOMICPLUMMED,
1420 SEQUENCE,
1421 INCORRECTMIC,
1422} mic_error;
1423
1424/*===========================================================================
1425 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1426 * (removes the MIC stuff) if packet is a valid packet.
1427 *
1428 * Inputs: etherHead pointer to the 802.3 packet
1429 *
1430 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1431 *
1432 * Author: sbraneky (10/15/01)
1433 * Merciless hacks by rwilcher (1/14/02)
1434 *---------------------------------------------------------------------------
1435 */
1436
1437static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1438{
1439 int i;
1440 u32 micSEQ;
1441 miccntx *context;
1442 u8 digest[4];
1443 mic_error micError = NONE;
1444
1445 // Check if the packet is a Mic'd packet
1446
1447 if (!ai->micstats.enabled) {
1448 //No Mic set or Mic OFF but we received a MIC'd packet.
1449 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1450 ai->micstats.rxMICPlummed++;
1451 return ERROR;
1452 }
1453 return SUCCESS;
1454 }
1455
1456 if (ntohs(mic->typelen) == 0x888E)
1457 return SUCCESS;
1458
1459 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1460 // Mic enabled but packet isn't Mic'd
1461 ai->micstats.rxMICPlummed++;
1462 return ERROR;
1463 }
1464
1465 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1466
1467 //At this point we a have a mic'd packet and mic is enabled
1468 //Now do the mic error checking.
1469
1470 //Receive seq must be odd
1471 if ( (micSEQ & 1) == 0 ) {
1472 ai->micstats.rxWrongSequence++;
1473 return ERROR;
1474 }
1475
1476 for (i = 0; i < NUM_MODULES; i++) {
1477 int mcast = eth->da[0] & 1;
1478 //Determine proper context
1479 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1480
1481 //Make sure context is valid
1482 if (!context->valid) {
1483 if (i == 0)
1484 micError = NOMICPLUMMED;
1485 continue;
1486 }
1487 //DeMic it
1488
1489 if (!mic->typelen)
1490 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1491
1492 emmh32_init(&context->seed);
1493 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1494 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1495 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1496 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1497 //Calculate MIC
1498 emmh32_final(&context->seed, digest);
1499
1500 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1501 //Invalid Mic
1502 if (i == 0)
1503 micError = INCORRECTMIC;
1504 continue;
1505 }
1506
1507 //Check Sequence number if mics pass
1508 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1509 ai->micstats.rxSuccess++;
1510 return SUCCESS;
1511 }
1512 if (i == 0)
1513 micError = SEQUENCE;
1514 }
1515
1516 // Update statistics
1517 switch (micError) {
1518 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1519 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1520 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1521 case NONE: break;
1522 case NOMIC: break;
1523 }
1524 return ERROR;
1525}
1526
1527/*===========================================================================
1528 * Description: Checks the Rx Seq number to make sure it is valid
1529 * and hasn't already been received
1530 *
1531 * Inputs: miccntx - mic context to check seq against
1532 * micSeq - the Mic seq number
1533 *
1534 * Returns: TRUE if valid otherwise FALSE.
1535 *
1536 * Author: sbraneky (10/15/01)
1537 * Merciless hacks by rwilcher (1/14/02)
1538 *---------------------------------------------------------------------------
1539 */
1540
1541static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1542{
1543 u32 seq,index;
1544
1545 //Allow for the ap being rebooted - if it is then use the next
1546 //sequence number of the current sequence number - might go backwards
1547
1548 if (mcast) {
1549 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1550 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1551 context->window = (micSeq > 33) ? micSeq : 33;
1552 context->rx = 0; // Reset rx
1553 }
1554 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1555 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1556 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1557 context->rx = 0; // Reset rx
1558 }
1559
1560 //Make sequence number relative to START of window
1561 seq = micSeq - (context->window - 33);
1562
1563 //Too old of a SEQ number to check.
1564 if ((s32)seq < 0)
1565 return ERROR;
1566
1567 if ( seq > 64 ) {
1568 //Window is infinite forward
1569 MoveWindow(context,micSeq);
1570 return SUCCESS;
1571 }
1572
1573 // We are in the window. Now check the context rx bit to see if it was already sent
1574 seq >>= 1; //divide by 2 because we only have odd numbers
1575 index = 1 << seq; //Get an index number
1576
1577 if (!(context->rx & index)) {
1578 //micSEQ falls inside the window.
1579 //Add seqence number to the list of received numbers.
1580 context->rx |= index;
1581
1582 MoveWindow(context,micSeq);
1583
1584 return SUCCESS;
1585 }
1586 return ERROR;
1587}
1588
1589static void MoveWindow(miccntx *context, u32 micSeq)
1590{
1591 u32 shift;
1592
1593 //Move window if seq greater than the middle of the window
1594 if (micSeq > context->window) {
1595 shift = (micSeq - context->window) >> 1;
1596
1597 //Shift out old
1598 if (shift < 32)
1599 context->rx >>= shift;
1600 else
1601 context->rx = 0;
1602
1603 context->window = micSeq; //Move window
1604 }
1605}
1606
1607/*==============================================*/
1608/*========== EMMH ROUTINES ====================*/
1609/*==============================================*/
1610
1611/* mic accumulate */
1612#define MIC_ACCUM(val) \
1613 context->accum += (u64)(val) * context->coeff[coeff_position++];
1614
1615static unsigned char aes_counter[16];
1616
1617/* expand the key to fill the MMH coefficient array */
f12cc209
HX		 1618static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1619 struct crypto_cipher *tfm)
1da177e4
LT		 1620{
1621 /* take the keying material, expand if necessary, truncate at 16-bytes */
1622 /* run through AES counter mode to generate context->coeff[] */
1623
1624 int i,j;
1625 u32 counter;
1626 u8 *cipher, plain[16];
1da177e4
LT		 1627
1628 crypto_cipher_setkey(tfm, pkey, 16);
1629 counter = 0;
e7c04fd3 1630 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1da177e4
LT		 1631 aes_counter[15] = (u8)(counter >> 0);
1632 aes_counter[14] = (u8)(counter >> 8);
1633 aes_counter[13] = (u8)(counter >> 16);
1634 aes_counter[12] = (u8)(counter >> 24);
1635 counter++;
1636 memcpy (plain, aes_counter, 16);
f12cc209
HX		 1637 crypto_cipher_encrypt_one(tfm, plain, plain);
1638 cipher = plain;
e7c04fd3 1639 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
593c2b9c 1640 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1da177e4
LT		 1641 j += 4;
1642 }
1643 }
1644}
1645
1646/* prepare for calculation of a new mic */
ff1d2767 1647static void emmh32_init(emmh32_context *context)
1da177e4
LT		 1648{
1649 /* prepare for new mic calculation */
1650 context->accum = 0;
1651 context->position = 0;
1652}
1653
1654/* add some bytes to the mic calculation */
ff1d2767 1655static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1da177e4
LT		 1656{
1657 int coeff_position, byte_position;
1658
1659 if (len == 0) return;
1660
1661 coeff_position = context->position >> 2;
1662
1663 /* deal with partial 32-bit word left over from last update */
1664 byte_position = context->position & 3;
1665 if (byte_position) {
1666 /* have a partial word in part to deal with */
1667 do {
1668 if (len == 0) return;
1669 context->part.d8[byte_position++] = *pOctets++;
1670 context->position++;
1671 len--;
1672 } while (byte_position < 4);
593c2b9c 1673 MIC_ACCUM(ntohl(context->part.d32));
1da177e4
LT		 1674 }
1675
1676 /* deal with full 32-bit words */
1677 while (len >= 4) {
593c2b9c 1678 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1da177e4
LT		 1679 context->position += 4;
1680 pOctets += 4;
1681 len -= 4;
1682 }
1683
1684 /* deal with partial 32-bit word that will be left over from this update */
1685 byte_position = 0;
1686 while (len > 0) {
1687 context->part.d8[byte_position++] = *pOctets++;
1688 context->position++;
1689 len--;
1690 }
1691}
1692
1693/* mask used to zero empty bytes for final partial word */
1694static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1695
1696/* calculate the mic */
ff1d2767 1697static void emmh32_final(emmh32_context *context, u8 digest[4])
1da177e4
LT		 1698{
1699 int coeff_position, byte_position;
1700 u32 val;
1701
1702 u64 sum, utmp;
1703 s64 stmp;
1704
1705 coeff_position = context->position >> 2;
1706
1707 /* deal with partial 32-bit word left over from last update */
1708 byte_position = context->position & 3;
1709 if (byte_position) {
1710 /* have a partial word in part to deal with */
593c2b9c 1711 val = ntohl(context->part.d32);
1da177e4
LT		 1712 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1713 }
1714
1715 /* reduce the accumulated u64 to a 32-bit MIC */
1716 sum = context->accum;
1717 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1718 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1719 sum = utmp & 0xffffffffLL;
1720 if (utmp > 0x10000000fLL)
1721 sum -= 15;
1722
1723 val = (u32)sum;
1724 digest[0] = (val>>24) & 0xFF;
1725 digest[1] = (val>>16) & 0xFF;
1726 digest[2] = (val>>8) & 0xFF;
1727 digest[3] = val & 0xFF;
1728}
1da177e4
LT		 1729
1730static int readBSSListRid(struct airo_info *ai, int first,
1731 BSSListRid *list) {
1732 int rc;
3c304956
DW		 1733 Cmd cmd;
1734 Resp rsp;
1da177e4
LT		 1735
1736 if (first == 1) {
3c304956
DW		 1737 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1738 memset(&cmd, 0, sizeof(cmd));
1739 cmd.cmd=CMD_LISTBSS;
1740 if (down_interruptible(&ai->sem))
1741 return -ERESTARTSYS;
3b4c7d64 1742 ai->list_bss_task = current;
3c304956
DW		 1743 issuecommand(ai, &cmd, &rsp);
1744 up(&ai->sem);
1745 /* Let the command take effect */
3b4c7d64
SB		 1746 schedule_timeout_uninterruptible(3 * HZ);
1747 ai->list_bss_task = NULL;
3c304956
DW		 1748 }
1749 rc = PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1750 list, ai->bssListRidLen, 1);
1da177e4
LT		 1751
1752 list->len = le16_to_cpu(list->len);
1753 list->index = le16_to_cpu(list->index);
1754 list->radioType = le16_to_cpu(list->radioType);
1755 list->cap = le16_to_cpu(list->cap);
1756 list->beaconInterval = le16_to_cpu(list->beaconInterval);
1757 list->fh.dwell = le16_to_cpu(list->fh.dwell);
1758 list->dsChannel = le16_to_cpu(list->dsChannel);
1759 list->atimWindow = le16_to_cpu(list->atimWindow);
41480af2 1760 list->dBm = le16_to_cpu(list->dBm);
1da177e4
LT		 1761 return rc;
1762}
1763
1764static int readWepKeyRid(struct airo_info*ai, WepKeyRid *wkr, int temp, int lock) {
1765 int rc = PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1766 wkr, sizeof(*wkr), lock);
1767
1768 wkr->len = le16_to_cpu(wkr->len);
1769 wkr->kindex = le16_to_cpu(wkr->kindex);
1770 wkr->klen = le16_to_cpu(wkr->klen);
1771 return rc;
1772}
1773/* In the writeXXXRid routines we copy the rids so that we don't screwup
1774 * the originals when we endian them... */
1775static int writeWepKeyRid(struct airo_info*ai, WepKeyRid *pwkr, int perm, int lock) {
1776 int rc;
1777 WepKeyRid wkr = *pwkr;
1778
1779 wkr.len = cpu_to_le16(wkr.len);
1780 wkr.kindex = cpu_to_le16(wkr.kindex);
1781 wkr.klen = cpu_to_le16(wkr.klen);
1782 rc = PC4500_writerid(ai, RID_WEP_TEMP, &wkr, sizeof(wkr), lock);
934d8bf1 1783 if (rc!=SUCCESS) airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1da177e4
LT		 1784 if (perm) {
1785 rc = PC4500_writerid(ai, RID_WEP_PERM, &wkr, sizeof(wkr), lock);
1786 if (rc!=SUCCESS) {
934d8bf1 1787 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1da177e4
LT		 1788 }
1789 }
1790 return rc;
1791}
1792
0dd2212f
AV		 1793static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1794{
1795 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1da177e4 1796}
1da177e4 1797
0dd2212f
AV		 1798static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1799{
1800 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1da177e4 1801}
0dd2212f 1802
1da177e4
LT		 1803static int readConfigRid(struct airo_info*ai, int lock) {
1804 int rc;
1805 u16 *s;
1806 ConfigRid cfg;
1807
1808 if (ai->config.len)
1809 return SUCCESS;
1810
1811 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1812 if (rc != SUCCESS)
1813 return rc;
1814
1815 for(s = &cfg.len; s <= &cfg.rtsThres; s++) *s = le16_to_cpu(*s);
1816
1817 for(s = &cfg.shortRetryLimit; s <= &cfg.radioType; s++)
1818 *s = le16_to_cpu(*s);
1819
1820 for(s = &cfg.txPower; s <= &cfg.radioSpecific; s++)
1821 *s = le16_to_cpu(*s);
1822
1823 for(s = &cfg.arlThreshold; s <= &cfg._reserved4[0]; s++)
1824 *s = cpu_to_le16(*s);
1825
1826 for(s = &cfg.autoWake; s <= &cfg.autoWake; s++)
1827 *s = cpu_to_le16(*s);
1828
1829 ai->config = cfg;
1830 return SUCCESS;
1831}
1832static inline void checkThrottle(struct airo_info *ai) {
1833 int i;
1834/* Old hardware had a limit on encryption speed */
1835 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1836 for(i=0; i<8; i++) {
1837 if (ai->config.rates[i] > maxencrypt) {
1838 ai->config.rates[i] = 0;
1839 }
1840 }
1841 }
1842}
1843static int writeConfigRid(struct airo_info*ai, int lock) {
1844 u16 *s;
1845 ConfigRid cfgr;
1846
1847 if (!test_bit (FLAG_COMMIT, &ai->flags))
1848 return SUCCESS;
1849
1850 clear_bit (FLAG_COMMIT, &ai->flags);
1851 clear_bit (FLAG_RESET, &ai->flags);
1852 checkThrottle(ai);
1853 cfgr = ai->config;
1854
1855 if ((cfgr.opmode & 0xFF) == MODE_STA_IBSS)
1856 set_bit(FLAG_ADHOC, &ai->flags);
1857 else
1858 clear_bit(FLAG_ADHOC, &ai->flags);
1859
1860 for(s = &cfgr.len; s <= &cfgr.rtsThres; s++) *s = cpu_to_le16(*s);
1861
1862 for(s = &cfgr.shortRetryLimit; s <= &cfgr.radioType; s++)
1863 *s = cpu_to_le16(*s);
1864
1865 for(s = &cfgr.txPower; s <= &cfgr.radioSpecific; s++)
1866 *s = cpu_to_le16(*s);
1867
1868 for(s = &cfgr.arlThreshold; s <= &cfgr._reserved4[0]; s++)
1869 *s = cpu_to_le16(*s);
1870
1871 for(s = &cfgr.autoWake; s <= &cfgr.autoWake; s++)
1872 *s = cpu_to_le16(*s);
1873
1874 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1875}
1876static int readStatusRid(struct airo_info*ai, StatusRid *statr, int lock) {
1877 int rc = PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1878 u16 *s;
1879
1880 statr->len = le16_to_cpu(statr->len);
1881 for(s = &statr->mode; s <= &statr->SSIDlen; s++) *s = le16_to_cpu(*s);
1882
1883 for(s = &statr->beaconPeriod; s <= &statr->shortPreamble; s++)
1884 *s = le16_to_cpu(*s);
1885 statr->load = le16_to_cpu(statr->load);
1886 statr->assocStatus = le16_to_cpu(statr->assocStatus);
1887 return rc;
1888}
1889static int readAPListRid(struct airo_info*ai, APListRid *aplr) {
1890 int rc = PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1891 aplr->len = le16_to_cpu(aplr->len);
1892 return rc;
1893}
1894static int writeAPListRid(struct airo_info*ai, APListRid *aplr, int lock) {
1895 int rc;
1896 aplr->len = cpu_to_le16(aplr->len);
1897 rc = PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1898 return rc;
1899}
1900static int readCapabilityRid(struct airo_info*ai, CapabilityRid *capr, int lock) {
1901 int rc = PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1902 u16 *s;
1903
1904 capr->len = le16_to_cpu(capr->len);
1905 capr->prodNum = le16_to_cpu(capr->prodNum);
1906 capr->radioType = le16_to_cpu(capr->radioType);
1907 capr->country = le16_to_cpu(capr->country);
1908 for(s = &capr->txPowerLevels[0]; s <= &capr->requiredHard; s++)
1909 *s = le16_to_cpu(*s);
1910 return rc;
1911}
1912static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) {
1913 int rc = PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1914 u32 *i;
1915
1916 sr->len = le16_to_cpu(sr->len);
1917 for(i = &sr->vals[0]; i <= &sr->vals[99]; i++) *i = le32_to_cpu(*i);
1918 return rc;
1919}
1920
1c2b7db8
MS		 1921static void try_auto_wep(struct airo_info *ai)
1922{
1923 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1924 ai->expires = RUN_AT(3*HZ);
1925 wake_up_interruptible(&ai->thr_wait);
1926 }
1927}
1928
1da177e4 1929static int airo_open(struct net_device *dev) {
1c2b7db8 1930 struct airo_info *ai = dev->priv;
1c2b7db8 1931 int rc = 0;
1da177e4 1932
1c2b7db8 1933 if (test_bit(FLAG_FLASHING, &ai->flags))
1da177e4
LT		 1934 return -EIO;
1935
1936 /* Make sure the card is configured.
1937 * Wireless Extensions may postpone config changes until the card
1938 * is open (to pipeline changes and speed-up card setup). If
1939 * those changes are not yet commited, do it now - Jean II */
1c2b7db8
MS		 1940 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1941 disable_MAC(ai, 1);
1942 writeConfigRid(ai, 1);
1da177e4
LT		 1943 }
1944
1c2b7db8
MS		 1945 if (ai->wifidev != dev) {
1946 clear_bit(JOB_DIE, &ai->jobs);
1947 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1948 if (IS_ERR(ai->airo_thread_task))
1949 return (int)PTR_ERR(ai->airo_thread_task);
1950
1951 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1952 dev->name, dev);
1953 if (rc) {
1954 airo_print_err(dev->name,
1955 "register interrupt %d failed, rc %d",
1956 dev->irq, rc);
1957 set_bit(JOB_DIE, &ai->jobs);
1958 kthread_stop(ai->airo_thread_task);
1959 return rc;
1960 }
1961
1da177e4 1962 /* Power on the MAC controller (which may have been disabled) */
1c2b7db8
MS		 1963 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1964 enable_interrupts(ai);
1965
1966 try_auto_wep(ai);
1da177e4 1967 }
175ec1a1 1968 enable_MAC(ai, 1);
1da177e4
LT		 1969
1970 netif_start_queue(dev);
1971 return 0;
1972}
1973
1974static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1975 int npacks, pending;
1976 unsigned long flags;
1977 struct airo_info *ai = dev->priv;
1978
1979 if (!skb) {
934d8bf1 1980 airo_print_err(dev->name, "%s: skb == NULL!",__FUNCTION__);
1da177e4
LT		 1981 return 0;
1982 }
1983 npacks = skb_queue_len (&ai->txq);
1984
1985 if (npacks >= MAXTXQ - 1) {
1986 netif_stop_queue (dev);
1987 if (npacks > MAXTXQ) {
1988 ai->stats.tx_fifo_errors++;
1989 return 1;
1990 }
1991 skb_queue_tail (&ai->txq, skb);
1992 return 0;
1993 }
1994
1995 spin_lock_irqsave(&ai->aux_lock, flags);
1996 skb_queue_tail (&ai->txq, skb);
1997 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1998 spin_unlock_irqrestore(&ai->aux_lock,flags);
1999 netif_wake_queue (dev);
2000
2001 if (pending == 0) {
2002 set_bit(FLAG_PENDING_XMIT, &ai->flags);
2003 mpi_send_packet (dev);
2004 }
2005 return 0;
2006}
2007
2008/*
2009 * @mpi_send_packet
2010 *
2011 * Attempt to transmit a packet. Can be called from interrupt
2012 * or transmit . return number of packets we tried to send
2013 */
2014
2015static int mpi_send_packet (struct net_device *dev)
2016{
2017 struct sk_buff *skb;
2018 unsigned char *buffer;
593c2b9c
AV		 2019 s16 len;
2020 __le16 *payloadLen;
1da177e4
LT		 2021 struct airo_info *ai = dev->priv;
2022 u8 *sendbuf;
2023
2024 /* get a packet to send */
2025
79ea13ce 2026 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
934d8bf1
DW		 2027 airo_print_err(dev->name,
2028 "%s: Dequeue'd zero in send_packet()",
1da177e4
LT		 2029 __FUNCTION__);
2030 return 0;
2031 }
2032
2033 /* check min length*/
2034 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2035 buffer = skb->data;
2036
2037 ai->txfids[0].tx_desc.offset = 0;
2038 ai->txfids[0].tx_desc.valid = 1;
2039 ai->txfids[0].tx_desc.eoc = 1;
2040 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
2041
2042/*
2043 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
2044 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
2045 * is immediatly after it. ------------------------------------------------
2046 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
2047 * ------------------------------------------------
2048 */
2049
2050 memcpy((char *)ai->txfids[0].virtual_host_addr,
2051 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2052
593c2b9c 2053 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
1da177e4
LT		 2054 sizeof(wifictlhdr8023));
2055 sendbuf = ai->txfids[0].virtual_host_addr +
2056 sizeof(wifictlhdr8023) + 2 ;
2057
2058 /*
2059 * Firmware automaticly puts 802 header on so
2060 * we don't need to account for it in the length
2061 */
1da177e4 2062 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
593c2b9c 2063 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
1da177e4
LT		 2064 MICBuffer pMic;
2065
2066 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2067 return ERROR;
2068
2069 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2070 ai->txfids[0].tx_desc.len += sizeof(pMic);
2071 /* copy data into airo dma buffer */
2072 memcpy (sendbuf, buffer, sizeof(etherHead));
2073 buffer += sizeof(etherHead);
2074 sendbuf += sizeof(etherHead);
2075 memcpy (sendbuf, &pMic, sizeof(pMic));
2076 sendbuf += sizeof(pMic);
2077 memcpy (sendbuf, buffer, len - sizeof(etherHead));
a39d3e79 2078 } else {
1da177e4
LT		 2079 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2080
2081 dev->trans_start = jiffies;
2082
2083 /* copy data into airo dma buffer */
2084 memcpy(sendbuf, buffer, len);
2085 }
2086
2087 memcpy_toio(ai->txfids[0].card_ram_off,
2088 &ai->txfids[0].tx_desc, sizeof(TxFid));
2089
2090 OUT4500(ai, EVACK, 8);
2091
2092 dev_kfree_skb_any(skb);
2093 return 1;
2094}
2095
29b09fcc 2096static void get_tx_error(struct airo_info *ai, s32 fid)
1da177e4 2097{
593c2b9c 2098 __le16 status;
1da177e4
LT		 2099
2100 if (fid < 0)
2101 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2102 else {
2103 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2104 return;
2105 bap_read(ai, &status, 2, BAP0);
2106 }
2107 if (le16_to_cpu(status) & 2) /* Too many retries */
2108 ai->stats.tx_aborted_errors++;
2109 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2110 ai->stats.tx_heartbeat_errors++;
2111 if (le16_to_cpu(status) & 8) /* Aid fail */
2112 { }
2113 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2114 ai->stats.tx_carrier_errors++;
2115 if (le16_to_cpu(status) & 0x20) /* Association lost */
2116 { }
2117 /* We produce a TXDROP event only for retry or lifetime
2118 * exceeded, because that's the only status that really mean
2119 * that this particular node went away.
2120 * Other errors means that *we* screwed up. - Jean II */
2121 if ((le16_to_cpu(status) & 2) ||
2122 (le16_to_cpu(status) & 4)) {
2123 union iwreq_data wrqu;
2124 char junk[0x18];
2125
2126 /* Faster to skip over useless data than to do
2127 * another bap_setup(). We are at offset 0x6 and
2128 * need to go to 0x18 and read 6 bytes - Jean II */
b8c06bc1 2129 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
1da177e4
LT		 2130
2131 /* Copy 802.11 dest address.
2132 * We use the 802.11 header because the frame may
2133 * not be 802.3 or may be mangled...
2134 * In Ad-Hoc mode, it will be the node address.
2135 * In managed mode, it will be most likely the AP addr
2136 * User space will figure out how to convert it to
2137 * whatever it needs (IP address or else).
2138 * - Jean II */
2139 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2140 wrqu.addr.sa_family = ARPHRD_ETHER;
2141
2142 /* Send event to user space */
2143 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2144 }
2145}
2146
2147static void airo_end_xmit(struct net_device *dev) {
2148 u16 status;
2149 int i;
2150 struct airo_info *priv = dev->priv;
2151 struct sk_buff *skb = priv->xmit.skb;
2152 int fid = priv->xmit.fid;
2153 u32 *fids = priv->fids;
2154
3c304956 2155 clear_bit(JOB_XMIT, &priv->jobs);
1da177e4
LT		 2156 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2157 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2158 up(&priv->sem);
2159
2160 i = 0;
2161 if ( status == SUCCESS ) {
2162 dev->trans_start = jiffies;
2163 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2164 } else {
2165 priv->fids[fid] &= 0xffff;
2166 priv->stats.tx_window_errors++;
2167 }
2168 if (i < MAX_FIDS / 2)
2169 netif_wake_queue(dev);
2170 dev_kfree_skb(skb);
2171}
2172
2173static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2174 s16 len;
2175 int i, j;
2176 struct airo_info *priv = dev->priv;
2177 u32 *fids = priv->fids;
2178
2179 if ( skb == NULL ) {
934d8bf1 2180 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
1da177e4
LT		 2181 return 0;
2182 }
2183
2184 /* Find a vacant FID */
2185 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2186 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2187
2188 if ( j >= MAX_FIDS / 2 ) {
2189 netif_stop_queue(dev);
2190
2191 if (i == MAX_FIDS / 2) {
2192 priv->stats.tx_fifo_errors++;
2193 return 1;
2194 }
2195 }
2196 /* check min length*/
2197 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2198 /* Mark fid as used & save length for later */
2199 fids[i] |= (len << 16);
2200 priv->xmit.skb = skb;
2201 priv->xmit.fid = i;
2202 if (down_trylock(&priv->sem) != 0) {
2203 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2204 netif_stop_queue(dev);
3c304956 2205 set_bit(JOB_XMIT, &priv->jobs);
1da177e4
LT		 2206 wake_up_interruptible(&priv->thr_wait);
2207 } else
2208 airo_end_xmit(dev);
2209 return 0;
2210}
2211
2212static void airo_end_xmit11(struct net_device *dev) {
2213 u16 status;
2214 int i;
2215 struct airo_info *priv = dev->priv;
2216 struct sk_buff *skb = priv->xmit11.skb;
2217 int fid = priv->xmit11.fid;
2218 u32 *fids = priv->fids;
2219
3c304956 2220 clear_bit(JOB_XMIT11, &priv->jobs);
1da177e4
LT		 2221 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2222 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2223 up(&priv->sem);
2224
2225 i = MAX_FIDS / 2;
2226 if ( status == SUCCESS ) {
2227 dev->trans_start = jiffies;
2228 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2229 } else {
2230 priv->fids[fid] &= 0xffff;
2231 priv->stats.tx_window_errors++;
2232 }
2233 if (i < MAX_FIDS)
2234 netif_wake_queue(dev);
2235 dev_kfree_skb(skb);
2236}
2237
2238static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2239 s16 len;
2240 int i, j;
2241 struct airo_info *priv = dev->priv;
2242 u32 *fids = priv->fids;
2243
2244 if (test_bit(FLAG_MPI, &priv->flags)) {
2245 /* Not implemented yet for MPI350 */
2246 netif_stop_queue(dev);
2247 return -ENETDOWN;
2248 }
2249
2250 if ( skb == NULL ) {
934d8bf1 2251 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
1da177e4
LT		 2252 return 0;
2253 }
2254
2255 /* Find a vacant FID */
2256 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2257 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2258
2259 if ( j >= MAX_FIDS ) {
2260 netif_stop_queue(dev);
2261
2262 if (i == MAX_FIDS) {
2263 priv->stats.tx_fifo_errors++;
2264 return 1;
2265 }
2266 }
2267 /* check min length*/
2268 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2269 /* Mark fid as used & save length for later */
2270 fids[i] |= (len << 16);
2271 priv->xmit11.skb = skb;
2272 priv->xmit11.fid = i;
2273 if (down_trylock(&priv->sem) != 0) {
2274 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2275 netif_stop_queue(dev);
3c304956 2276 set_bit(JOB_XMIT11, &priv->jobs);
1da177e4
LT		 2277 wake_up_interruptible(&priv->thr_wait);
2278 } else
2279 airo_end_xmit11(dev);
2280 return 0;
2281}
2282
2283static void airo_read_stats(struct airo_info *ai) {
2284 StatsRid stats_rid;
2285 u32 *vals = stats_rid.vals;
2286
3c304956 2287 clear_bit(JOB_STATS, &ai->jobs);
ca078bae 2288 if (ai->power.event) {
1da177e4
LT		 2289 up(&ai->sem);
2290 return;
2291 }
2292 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2293 up(&ai->sem);
2294
2295 ai->stats.rx_packets = vals[43] + vals[44] + vals[45];
2296 ai->stats.tx_packets = vals[39] + vals[40] + vals[41];
2297 ai->stats.rx_bytes = vals[92];
2298 ai->stats.tx_bytes = vals[91];
2299 ai->stats.rx_errors = vals[0] + vals[2] + vals[3] + vals[4];
2300 ai->stats.tx_errors = vals[42] + ai->stats.tx_fifo_errors;
2301 ai->stats.multicast = vals[43];
2302 ai->stats.collisions = vals[89];
2303
2304 /* detailed rx_errors: */
2305 ai->stats.rx_length_errors = vals[3];
2306 ai->stats.rx_crc_errors = vals[4];
2307 ai->stats.rx_frame_errors = vals[2];
2308 ai->stats.rx_fifo_errors = vals[0];
2309}
2310
ff1d2767 2311static struct net_device_stats *airo_get_stats(struct net_device *dev)
1da177e4
LT		 2312{
2313 struct airo_info *local = dev->priv;
2314
3c304956 2315 if (!test_bit(JOB_STATS, &local->jobs)) {
1da177e4
LT		 2316 /* Get stats out of the card if available */
2317 if (down_trylock(&local->sem) != 0) {
3c304956 2318 set_bit(JOB_STATS, &local->jobs);
1da177e4
LT		 2319 wake_up_interruptible(&local->thr_wait);
2320 } else
2321 airo_read_stats(local);
2322 }
2323
2324 return &local->stats;
2325}
2326
2327static void airo_set_promisc(struct airo_info *ai) {
2328 Cmd cmd;
2329 Resp rsp;
2330
2331 memset(&cmd, 0, sizeof(cmd));
2332 cmd.cmd=CMD_SETMODE;
3c304956 2333 clear_bit(JOB_PROMISC, &ai->jobs);
1da177e4
LT		 2334 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2335 issuecommand(ai, &cmd, &rsp);
2336 up(&ai->sem);
2337}
2338
2339static void airo_set_multicast_list(struct net_device *dev) {
2340 struct airo_info *ai = dev->priv;
2341
2342 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2343 change_bit(FLAG_PROMISC, &ai->flags);
2344 if (down_trylock(&ai->sem) != 0) {
3c304956 2345 set_bit(JOB_PROMISC, &ai->jobs);
1da177e4
LT		 2346 wake_up_interruptible(&ai->thr_wait);
2347 } else
2348 airo_set_promisc(ai);
2349 }
2350
2351 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2352 /* Turn on multicast. (Should be already setup...) */
2353 }
2354}
2355
2356static int airo_set_mac_address(struct net_device *dev, void *p)
2357{
2358 struct airo_info *ai = dev->priv;
2359 struct sockaddr *addr = p;
1da177e4
LT		 2360
2361 readConfigRid(ai, 1);
2362 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2363 set_bit (FLAG_COMMIT, &ai->flags);
2364 disable_MAC(ai, 1);
2365 writeConfigRid (ai, 1);
175ec1a1 2366 enable_MAC(ai, 1);
1da177e4
LT		 2367 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2368 if (ai->wifidev)
2369 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2370 return 0;
2371}
2372
2373static int airo_change_mtu(struct net_device *dev, int new_mtu)
2374{
2375 if ((new_mtu < 68) || (new_mtu > 2400))
2376 return -EINVAL;
2377 dev->mtu = new_mtu;
2378 return 0;
2379}
2380
af5b5c9a
MS		 2381static LIST_HEAD(airo_devices);
2382
2383static void add_airo_dev(struct airo_info *ai)
2384{
2385 /* Upper layers already keep track of PCI devices,
2386 * so we only need to remember our non-PCI cards. */
2387 if (!ai->pci)
2388 list_add_tail(&ai->dev_list, &airo_devices);
2389}
2390
2391static void del_airo_dev(struct airo_info *ai)
2392{
2393 if (!ai->pci)
2394 list_del(&ai->dev_list);
2395}
1da177e4
LT		 2396
2397static int airo_close(struct net_device *dev) {
2398 struct airo_info *ai = dev->priv;
2399
2400 netif_stop_queue(dev);
2401
2402 if (ai->wifidev != dev) {
2403#ifdef POWER_ON_DOWN
2404 /* Shut power to the card. The idea is that the user can save
2405 * power when he doesn't need the card with "ifconfig down".
2406 * That's the method that is most friendly towards the network
2407 * stack (i.e. the network stack won't try to broadcast
2408 * anything on the interface and routes are gone. Jean II */
2409 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2410 disable_MAC(ai, 1);
2411#endif
2412 disable_interrupts( ai );
1c2b7db8
MS		 2413
2414 free_irq(dev->irq, dev);
2415
2416 set_bit(JOB_DIE, &ai->jobs);
2417 kthread_stop(ai->airo_thread_task);
1da177e4
LT		 2418 }
2419 return 0;
2420}
2421
1da177e4
LT		 2422void stop_airo_card( struct net_device *dev, int freeres )
2423{
2424 struct airo_info *ai = dev->priv;
2425
2426 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2427 disable_MAC(ai, 1);
2428 disable_interrupts(ai);
1da177e4
LT		 2429 takedown_proc_entry( dev, ai );
2430 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2431 unregister_netdev( dev );
2432 if (ai->wifidev) {
2433 unregister_netdev(ai->wifidev);
2434 free_netdev(ai->wifidev);
2435 ai->wifidev = NULL;
2436 }
2437 clear_bit(FLAG_REGISTERED, &ai->flags);
2438 }
1da177e4
LT		 2439 /*
2440 * Clean out tx queue
2441 */
b03efcfb 2442 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
1da177e4
LT		 2443 struct sk_buff *skb = NULL;
2444 for (;(skb = skb_dequeue(&ai->txq));)
2445 dev_kfree_skb(skb);
2446 }
2447
9e75af30
DW		 2448 airo_networks_free (ai);
2449
b4558ea9
JJ		 2450 kfree(ai->flash);
2451 kfree(ai->rssi);
2452 kfree(ai->APList);
2453 kfree(ai->SSID);
1da177e4
LT		 2454 if (freeres) {
2455 /* PCMCIA frees this stuff, so only for PCI and ISA */
2456 release_region( dev->base_addr, 64 );
2457 if (test_bit(FLAG_MPI, &ai->flags)) {
2458 if (ai->pci)
2459 mpi_unmap_card(ai->pci);
2460 if (ai->pcimem)
2461 iounmap(ai->pcimem);
2462 if (ai->pciaux)
2463 iounmap(ai->pciaux);
2464 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2465 ai->shared, ai->shared_dma);
2466 }
2467 }
f12cc209 2468 crypto_free_cipher(ai->tfm);
af5b5c9a 2469 del_airo_dev(ai);
1da177e4
LT		 2470 free_netdev( dev );
2471}
2472
2473EXPORT_SYMBOL(stop_airo_card);
2474
b95cce35 2475static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
1da177e4 2476{
98e399f8 2477 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
1da177e4
LT		 2478 return ETH_ALEN;
2479}
2480
2481static void mpi_unmap_card(struct pci_dev *pci)
2482{
2483 unsigned long mem_start = pci_resource_start(pci, 1);
2484 unsigned long mem_len = pci_resource_len(pci, 1);
2485 unsigned long aux_start = pci_resource_start(pci, 2);
2486 unsigned long aux_len = AUXMEMSIZE;
2487
2488 release_mem_region(aux_start, aux_len);
2489 release_mem_region(mem_start, mem_len);
2490}
2491
2492/*************************************************************
2493 * This routine assumes that descriptors have been setup .
2494 * Run at insmod time or after reset when the decriptors
2495 * have been initialized . Returns 0 if all is well nz
2496 * otherwise . Does not allocate memory but sets up card
2497 * using previously allocated descriptors.
2498 */
2499static int mpi_init_descriptors (struct airo_info *ai)
2500{
2501 Cmd cmd;
2502 Resp rsp;
2503 int i;
2504 int rc = SUCCESS;
2505
2506 /* Alloc card RX descriptors */
2507 netif_stop_queue(ai->dev);
2508
2509 memset(&rsp,0,sizeof(rsp));
2510 memset(&cmd,0,sizeof(cmd));
2511
2512 cmd.cmd = CMD_ALLOCATEAUX;
2513 cmd.parm0 = FID_RX;
2514 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2515 cmd.parm2 = MPI_MAX_FIDS;
2516 rc=issuecommand(ai, &cmd, &rsp);
2517 if (rc != SUCCESS) {
934d8bf1 2518 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
1da177e4
LT		 2519 return rc;
2520 }
2521
2522 for (i=0; i<MPI_MAX_FIDS; i++) {
2523 memcpy_toio(ai->rxfids[i].card_ram_off,
2524 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2525 }
2526
2527 /* Alloc card TX descriptors */
2528
2529 memset(&rsp,0,sizeof(rsp));
2530 memset(&cmd,0,sizeof(cmd));
2531
2532 cmd.cmd = CMD_ALLOCATEAUX;
2533 cmd.parm0 = FID_TX;
2534 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2535 cmd.parm2 = MPI_MAX_FIDS;
2536
2537 for (i=0; i<MPI_MAX_FIDS; i++) {
2538 ai->txfids[i].tx_desc.valid = 1;
2539 memcpy_toio(ai->txfids[i].card_ram_off,
2540 &ai->txfids[i].tx_desc, sizeof(TxFid));
2541 }
2542 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2543
2544 rc=issuecommand(ai, &cmd, &rsp);
2545 if (rc != SUCCESS) {
934d8bf1 2546 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
1da177e4
LT		 2547 return rc;
2548 }
2549
2550 /* Alloc card Rid descriptor */
2551 memset(&rsp,0,sizeof(rsp));
2552 memset(&cmd,0,sizeof(cmd));
2553
2554 cmd.cmd = CMD_ALLOCATEAUX;
2555 cmd.parm0 = RID_RW;
2556 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2557 cmd.parm2 = 1; /* Magic number... */
2558 rc=issuecommand(ai, &cmd, &rsp);
2559 if (rc != SUCCESS) {
934d8bf1 2560 airo_print_err(ai->dev->name, "Couldn't allocate RID");
1da177e4
LT		 2561 return rc;
2562 }
2563
2564 memcpy_toio(ai->config_desc.card_ram_off,
2565 &ai->config_desc.rid_desc, sizeof(Rid));
2566
2567 return rc;
2568}
2569
2570/*
2571 * We are setting up three things here:
2572 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2573 * 2) Map PCI memory for issueing commands.
2574 * 3) Allocate memory (shared) to send and receive ethernet frames.
2575 */
1138c37b 2576static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
1da177e4
LT		 2577{
2578 unsigned long mem_start, mem_len, aux_start, aux_len;
2579 int rc = -1;
2580 int i;
2759c8d5
JG		 2581 dma_addr_t busaddroff;
2582 unsigned char *vpackoff;
1da177e4
LT		 2583 unsigned char __iomem *pciaddroff;
2584
2585 mem_start = pci_resource_start(pci, 1);
2586 mem_len = pci_resource_len(pci, 1);
2587 aux_start = pci_resource_start(pci, 2);
2588 aux_len = AUXMEMSIZE;
2589
1138c37b
MS		 2590 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2591 airo_print_err("", "Couldn't get region %x[%x]",
2592 (int)mem_start, (int)mem_len);
1da177e4
LT		 2593 goto out;
2594 }
1138c37b
MS		 2595 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2596 airo_print_err("", "Couldn't get region %x[%x]",
2597 (int)aux_start, (int)aux_len);
1da177e4
LT		 2598 goto free_region1;
2599 }
2600
2601 ai->pcimem = ioremap(mem_start, mem_len);
2602 if (!ai->pcimem) {
1138c37b
MS		 2603 airo_print_err("", "Couldn't map region %x[%x]",
2604 (int)mem_start, (int)mem_len);
1da177e4
LT		 2605 goto free_region2;
2606 }
2607 ai->pciaux = ioremap(aux_start, aux_len);
2608 if (!ai->pciaux) {
1138c37b
MS		 2609 airo_print_err("", "Couldn't map region %x[%x]",
2610 (int)aux_start, (int)aux_len);
1da177e4
LT		 2611 goto free_memmap;
2612 }
2613
2614 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2615 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2616 if (!ai->shared) {
1138c37b
MS		 2617 airo_print_err("", "Couldn't alloc_consistent %d",
2618 PCI_SHARED_LEN);
1da177e4
LT		 2619 goto free_auxmap;
2620 }
2621
2622 /*
2623 * Setup descriptor RX, TX, CONFIG
2624 */
2759c8d5 2625 busaddroff = ai->shared_dma;
1da177e4
LT		 2626 pciaddroff = ai->pciaux + AUX_OFFSET;
2627 vpackoff = ai->shared;
2628
2629 /* RX descriptor setup */
2630 for(i = 0; i < MPI_MAX_FIDS; i++) {
2631 ai->rxfids[i].pending = 0;
2632 ai->rxfids[i].card_ram_off = pciaddroff;
2633 ai->rxfids[i].virtual_host_addr = vpackoff;
2759c8d5 2634 ai->rxfids[i].rx_desc.host_addr = busaddroff;
1da177e4
LT		 2635 ai->rxfids[i].rx_desc.valid = 1;
2636 ai->rxfids[i].rx_desc.len = PKTSIZE;
2637 ai->rxfids[i].rx_desc.rdy = 0;
2638
2639 pciaddroff += sizeof(RxFid);
2640 busaddroff += PKTSIZE;
2641 vpackoff += PKTSIZE;
2642 }
2643
2644 /* TX descriptor setup */
2645 for(i = 0; i < MPI_MAX_FIDS; i++) {
2646 ai->txfids[i].card_ram_off = pciaddroff;
2647 ai->txfids[i].virtual_host_addr = vpackoff;
2648 ai->txfids[i].tx_desc.valid = 1;
2759c8d5 2649 ai->txfids[i].tx_desc.host_addr = busaddroff;
1da177e4
LT		 2650 memcpy(ai->txfids[i].virtual_host_addr,
2651 &wifictlhdr8023, sizeof(wifictlhdr8023));
2652
2653 pciaddroff += sizeof(TxFid);
2654 busaddroff += PKTSIZE;
2655 vpackoff += PKTSIZE;
2656 }
2657 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2658
2659 /* Rid descriptor setup */
2660 ai->config_desc.card_ram_off = pciaddroff;
2661 ai->config_desc.virtual_host_addr = vpackoff;
2759c8d5
JG		 2662 ai->config_desc.rid_desc.host_addr = busaddroff;
2663 ai->ridbus = busaddroff;
1da177e4
LT		 2664 ai->config_desc.rid_desc.rid = 0;
2665 ai->config_desc.rid_desc.len = RIDSIZE;
2666 ai->config_desc.rid_desc.valid = 1;
2667 pciaddroff += sizeof(Rid);
2668 busaddroff += RIDSIZE;
2669 vpackoff += RIDSIZE;
2670
2671 /* Tell card about descriptors */
2672 if (mpi_init_descriptors (ai) != SUCCESS)
2673 goto free_shared;
2674
2675 return 0;
2676 free_shared:
2677 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2678 free_auxmap:
2679 iounmap(ai->pciaux);
2680 free_memmap:
2681 iounmap(ai->pcimem);
2682 free_region2:
2683 release_mem_region(aux_start, aux_len);
2684 free_region1:
2685 release_mem_region(mem_start, mem_len);
2686 out:
2687 return rc;
2688}
2689
3b04ddde
SH		 2690static const struct header_ops airo_header_ops = {
2691 .parse = wll_header_parse,
2692};
2693
1da177e4
LT		 2694static void wifi_setup(struct net_device *dev)
2695{
3b04ddde 2696 dev->header_ops = &airo_header_ops;
1da177e4
LT		 2697 dev->hard_start_xmit = &airo_start_xmit11;
2698 dev->get_stats = &airo_get_stats;
2699 dev->set_mac_address = &airo_set_mac_address;
2700 dev->do_ioctl = &airo_ioctl;
1da177e4 2701 dev->wireless_handlers = &airo_handler_def;
1da177e4
LT		 2702 dev->change_mtu = &airo_change_mtu;
2703 dev->open = &airo_open;
2704 dev->stop = &airo_close;
2705
2706 dev->type = ARPHRD_IEEE80211;
2707 dev->hard_header_len = ETH_HLEN;
15db2763 2708 dev->mtu = AIRO_DEF_MTU;
1da177e4
LT		 2709 dev->addr_len = ETH_ALEN;
2710 dev->tx_queue_len = 100;
2711
2712 memset(dev->broadcast,0xFF, ETH_ALEN);
2713
2714 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2715}
2716
2717static struct net_device *init_wifidev(struct airo_info *ai,
2718 struct net_device *ethdev)
2719{
2720 int err;
2721 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2722 if (!dev)
2723 return NULL;
2724 dev->priv = ethdev->priv;
2725 dev->irq = ethdev->irq;
2726 dev->base_addr = ethdev->base_addr;
1da177e4 2727 dev->wireless_data = ethdev->wireless_data;
1da177e4
LT		 2728 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2729 err = register_netdev(dev);
2730 if (err<0) {
2731 free_netdev(dev);
2732 return NULL;
2733 }
2734 return dev;
2735}
2736
ff1d2767 2737static int reset_card( struct net_device *dev , int lock) {
1da177e4
LT		 2738 struct airo_info *ai = dev->priv;
2739
2740 if (lock && down_interruptible(&ai->sem))
2741 return -1;
2742 waitbusy (ai);
2743 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2744 msleep(200);
2745 waitbusy (ai);
2746 msleep(200);
2747 if (lock)
2748 up(&ai->sem);
2749 return 0;
2750}
2751
3c304956 2752#define AIRO_MAX_NETWORK_COUNT 64
9e75af30
DW		 2753static int airo_networks_allocate(struct airo_info *ai)
2754{
2755 if (ai->networks)
2756 return 0;
2757
2758 ai->networks =
3c304956 2759 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
9e75af30
DW		 2760 GFP_KERNEL);
2761 if (!ai->networks) {
1138c37b 2762 airo_print_warn("", "Out of memory allocating beacons");
9e75af30
DW		 2763 return -ENOMEM;
2764 }
2765
2766 return 0;
2767}
2768
2769static void airo_networks_free(struct airo_info *ai)
2770{
9e75af30
DW		 2771 kfree(ai->networks);
2772 ai->networks = NULL;
2773}
2774
2775static void airo_networks_initialize(struct airo_info *ai)
2776{
2777 int i;
2778
2779 INIT_LIST_HEAD(&ai->network_free_list);
2780 INIT_LIST_HEAD(&ai->network_list);
3c304956 2781 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
9e75af30
DW		 2782 list_add_tail(&ai->networks[i].list,
2783 &ai->network_free_list);
2784}
2785
3c304956
DW		 2786static int airo_test_wpa_capable(struct airo_info *ai)
2787{
2788 int status;
2789 CapabilityRid cap_rid;
3c304956
DW		 2790
2791 status = readCapabilityRid(ai, &cap_rid, 1);
2792 if (status != SUCCESS) return 0;
2793
2794 /* Only firmware versions 5.30.17 or better can do WPA */
2795 if ((cap_rid.softVer > 0x530)
0c6157a3 2796 || ((cap_rid.softVer == 0x530) && (cap_rid.softSubVer >= 17))) {
1138c37b 2797 airo_print_info("", "WPA is supported.");
3c304956
DW		 2798 return 1;
2799 }
2800
2801 /* No WPA support */
1138c37b 2802 airo_print_info("", "WPA unsupported (only firmware versions 5.30.17"
3c304956
DW		 2803 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2804 return 0;
2805}
2806
ff1d2767
JM		 2807static struct net_device *_init_airo_card( unsigned short irq, int port,
2808 int is_pcmcia, struct pci_dev *pci,
2809 struct device *dmdev )
1da177e4
LT		 2810{
2811 struct net_device *dev;
2812 struct airo_info *ai;
2813 int i, rc;
0795af57 2814 DECLARE_MAC_BUF(mac);
1da177e4
LT		 2815
2816 /* Create the network device object. */
1138c37b
MS		 2817 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2818 if (!dev) {
934d8bf1 2819 airo_print_err("", "Couldn't alloc_etherdev");
1da177e4 2820 return NULL;
1da177e4
LT		 2821 }
2822
2823 ai = dev->priv;
2824 ai->wifidev = NULL;
fb038c27 2825 ai->flags = 1 << FLAG_RADIO_DOWN;
3c304956 2826 ai->jobs = 0;
934d8bf1 2827 ai->dev = dev;
1da177e4 2828 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
1138c37b 2829 airo_print_dbg("", "Found an MPI350 card");
1da177e4
LT		 2830 set_bit(FLAG_MPI, &ai->flags);
2831 }
1da177e4
LT		 2832 spin_lock_init(&ai->aux_lock);
2833 sema_init(&ai->sem, 1);
2834 ai->config.len = 0;
2835 ai->pci = pci;
2836 init_waitqueue_head (&ai->thr_wait);
1da177e4 2837 ai->tfm = NULL;
af5b5c9a 2838 add_airo_dev(ai);
1da177e4 2839
9e75af30 2840 if (airo_networks_allocate (ai))
1c2b7db8 2841 goto err_out_free;
9e75af30
DW		 2842 airo_networks_initialize (ai);
2843
1da177e4
LT		 2844 /* The Airo-specific entries in the device structure. */
2845 if (test_bit(FLAG_MPI,&ai->flags)) {
2846 skb_queue_head_init (&ai->txq);
2847 dev->hard_start_xmit = &mpi_start_xmit;
2848 } else
2849 dev->hard_start_xmit = &airo_start_xmit;
2850 dev->get_stats = &airo_get_stats;
2851 dev->set_multicast_list = &airo_set_multicast_list;
2852 dev->set_mac_address = &airo_set_mac_address;
2853 dev->do_ioctl = &airo_ioctl;
1da177e4
LT		 2854 dev->wireless_handlers = &airo_handler_def;
2855 ai->wireless_data.spy_data = &ai->spy_data;
2856 dev->wireless_data = &ai->wireless_data;
1da177e4
LT		 2857 dev->change_mtu = &airo_change_mtu;
2858 dev->open = &airo_open;
2859 dev->stop = &airo_close;
2860 dev->irq = irq;
2861 dev->base_addr = port;
2862
2863 SET_NETDEV_DEV(dev, dmdev);
2864
1d97f384
MC		 2865 reset_card (dev, 1);
2866 msleep(400);
1da177e4 2867
1da177e4 2868 if (!is_pcmcia) {
1138c37b 2869 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
1da177e4 2870 rc = -EBUSY;
934d8bf1 2871 airo_print_err(dev->name, "Couldn't request region");
1c2b7db8 2872 goto err_out_nets;
1da177e4
LT		 2873 }
2874 }
2875
2876 if (test_bit(FLAG_MPI,&ai->flags)) {
1138c37b
MS		 2877 if (mpi_map_card(ai, pci)) {
2878 airo_print_err("", "Could not map memory");
1da177e4
LT		 2879 goto err_out_res;
2880 }
2881 }
2882
2883 if (probe) {
2884 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
934d8bf1 2885 airo_print_err(dev->name, "MAC could not be enabled" );
1da177e4
LT		 2886 rc = -EIO;
2887 goto err_out_map;
2888 }
2889 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2890 ai->bap_read = fast_bap_read;
2891 set_bit(FLAG_FLASHING, &ai->flags);
2892 }
2893
3c304956
DW		 2894 /* Test for WPA support */
2895 if (airo_test_wpa_capable(ai)) {
2896 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2897 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2898 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2899 ai->bssListRidLen = sizeof(BSSListRid);
2900 } else {
2901 ai->bssListFirst = RID_BSSLISTFIRST;
2902 ai->bssListNext = RID_BSSLISTNEXT;
2903 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2904 }
2905
1138c37b 2906 strcpy(dev->name, "eth%d");
1da177e4
LT		 2907 rc = register_netdev(dev);
2908 if (rc) {
934d8bf1 2909 airo_print_err(dev->name, "Couldn't register_netdev");
1da177e4
LT		 2910 goto err_out_map;
2911 }
2912 ai->wifidev = init_wifidev(ai, dev);
431aca5a
FM		 2913 if (!ai->wifidev)
2914 goto err_out_reg;
1da177e4
LT		 2915
2916 set_bit(FLAG_REGISTERED,&ai->flags);
0795af57
JP		 2917 airo_print_info(dev->name, "MAC enabled %s",
2918 print_mac(mac, dev->dev_addr));
1da177e4
LT		 2919
2920 /* Allocate the transmit buffers */
2921 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2922 for( i = 0; i < MAX_FIDS; i++ )
15db2763 2923 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
1da177e4 2924
431aca5a
FM		 2925 if (setup_proc_entry(dev, dev->priv) < 0)
2926 goto err_out_wifi;
2927
1da177e4
LT		 2928 return dev;
2929
431aca5a
FM		 2930err_out_wifi:
2931 unregister_netdev(ai->wifidev);
2932 free_netdev(ai->wifidev);
2933err_out_reg:
2934 unregister_netdev(dev);
1da177e4
LT		 2935err_out_map:
2936 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2937 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2938 iounmap(ai->pciaux);
2939 iounmap(ai->pcimem);
2940 mpi_unmap_card(ai->pci);
2941 }
2942err_out_res:
2943 if (!is_pcmcia)
2944 release_region( dev->base_addr, 64 );
4d881901
MS		 2945err_out_nets:
2946 airo_networks_free(ai);
af5b5c9a 2947 del_airo_dev(ai);
1da177e4
LT		 2948err_out_free:
2949 free_netdev(dev);
2950 return NULL;
2951}
2952
2953struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2954 struct device *dmdev)
2955{
2956 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2957}
2958
2959EXPORT_SYMBOL(init_airo_card);
2960
2961static int waitbusy (struct airo_info *ai) {
2962 int delay = 0;
2963 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2964 udelay (10);
2965 if ((++delay % 20) == 0)
2966 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2967 }
2968 return delay < 10000;
2969}
2970
2971int reset_airo_card( struct net_device *dev )
2972{
2973 int i;
2974 struct airo_info *ai = dev->priv;
0795af57 2975 DECLARE_MAC_BUF(mac);
1da177e4
LT		 2976
2977 if (reset_card (dev, 1))
2978 return -1;
2979
2980 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
934d8bf1 2981 airo_print_err(dev->name, "MAC could not be enabled");
1da177e4
LT		 2982 return -1;
2983 }
0795af57
JP		 2984 airo_print_info(dev->name, "MAC enabled %s",
2985 print_mac(mac, dev->dev_addr));
1da177e4
LT		 2986 /* Allocate the transmit buffers if needed */
2987 if (!test_bit(FLAG_MPI,&ai->flags))
2988 for( i = 0; i < MAX_FIDS; i++ )
15db2763 2989 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
1da177e4
LT		 2990
2991 enable_interrupts( ai );
2992 netif_wake_queue(dev);
2993 return 0;
2994}
2995
2996EXPORT_SYMBOL(reset_airo_card);
2997
2998static void airo_send_event(struct net_device *dev) {
2999 struct airo_info *ai = dev->priv;
3000 union iwreq_data wrqu;
3001 StatusRid status_rid;
3002
3c304956 3003 clear_bit(JOB_EVENT, &ai->jobs);
1da177e4
LT		 3004 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
3005 up(&ai->sem);
3006 wrqu.data.length = 0;
3007 wrqu.data.flags = 0;
3008 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
3009 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3010
3011 /* Send event to user space */
3012 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
3013}
3014
9e75af30
DW		 3015static void airo_process_scan_results (struct airo_info *ai) {
3016 union iwreq_data wrqu;
3c304956 3017 BSSListRid bss;
9e75af30
DW		 3018 int rc;
3019 BSSListElement * loop_net;
3020 BSSListElement * tmp_net;
3021
3022 /* Blow away current list of scan results */
3023 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3024 list_move_tail (&loop_net->list, &ai->network_free_list);
3025 /* Don't blow away ->list, just BSS data */
3026 memset (loop_net, 0, sizeof (loop_net->bss));
3027 }
3028
3029 /* Try to read the first entry of the scan result */
3c304956
DW		 3030 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3031 if((rc) || (bss.index == 0xffff)) {
9e75af30
DW		 3032 /* No scan results */
3033 goto out;
3034 }
3035
3036 /* Read and parse all entries */
3037 tmp_net = NULL;
3c304956 3038 while((!rc) && (bss.index != 0xffff)) {
9e75af30
DW		 3039 /* Grab a network off the free list */
3040 if (!list_empty(&ai->network_free_list)) {
3041 tmp_net = list_entry(ai->network_free_list.next,
3042 BSSListElement, list);
3043 list_del(ai->network_free_list.next);
3044 }
3045
3046 if (tmp_net != NULL) {
3c304956 3047 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
9e75af30
DW		 3048 list_add_tail(&tmp_net->list, &ai->network_list);
3049 tmp_net = NULL;
3050 }
3051
3052 /* Read next entry */
3c304956
DW		 3053 rc = PC4500_readrid(ai, ai->bssListNext,
3054 &bss, ai->bssListRidLen, 0);
9e75af30
DW		 3055 }
3056
3057out:
3058 ai->scan_timeout = 0;
3c304956 3059 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
9e75af30
DW		 3060 up(&ai->sem);
3061
3062 /* Send an empty event to user space.
3063 * We don't send the received data on
3064 * the event because it would require
3065 * us to do complex transcoding, and
3066 * we want to minimise the work done in
3067 * the irq handler. Use a request to
3068 * extract the data - Jean II */
3069 wrqu.data.length = 0;
3070 wrqu.data.flags = 0;
3071 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3072}
3073
1da177e4
LT		 3074static int airo_thread(void *data) {
3075 struct net_device *dev = data;
3076 struct airo_info *ai = dev->priv;
3077 int locked;
83144186
RW		 3078
3079 set_freezable();
1da177e4 3080 while(1) {
1da177e4 3081 /* make swsusp happy with our thread */
3e1d1d28 3082 try_to_freeze();
1da177e4 3083
3c304956 3084 if (test_bit(JOB_DIE, &ai->jobs))
1da177e4
LT		 3085 break;
3086
3c304956 3087 if (ai->jobs) {
1da177e4
LT		 3088 locked = down_interruptible(&ai->sem);
3089 } else {
3090 wait_queue_t wait;
3091
3092 init_waitqueue_entry(&wait, current);
3093 add_wait_queue(&ai->thr_wait, &wait);
3094 for (;;) {
3095 set_current_state(TASK_INTERRUPTIBLE);
3c304956 3096 if (ai->jobs)
1da177e4 3097 break;
9e75af30
DW		 3098 if (ai->expires || ai->scan_timeout) {
3099 if (ai->scan_timeout &&
3100 time_after_eq(jiffies,ai->scan_timeout)){
3c304956 3101 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
9e75af30
DW		 3102 break;
3103 } else if (ai->expires &&
3104 time_after_eq(jiffies,ai->expires)){
3c304956 3105 set_bit(JOB_AUTOWEP, &ai->jobs);
1da177e4
LT		 3106 break;
3107 }
5bb85f18
DK		 3108 if (!kthread_should_stop() &&
3109 !freezing(current)) {
9e75af30
DW		 3110 unsigned long wake_at;
3111 if (!ai->expires || !ai->scan_timeout) {
3112 wake_at = max(ai->expires,
3113 ai->scan_timeout);
3114 } else {
3115 wake_at = min(ai->expires,
3116 ai->scan_timeout);
3117 }
3118 schedule_timeout(wake_at - jiffies);
1da177e4
LT		 3119 continue;
3120 }
5bb85f18
DK		 3121 } else if (!kthread_should_stop() &&
3122 !freezing(current)) {
1da177e4
LT		 3123 schedule();
3124 continue;
3125 }
3126 break;
3127 }
3128 current->state = TASK_RUNNING;
3129 remove_wait_queue(&ai->thr_wait, &wait);
3130 locked = 1;
3131 }
3132
3133 if (locked)
3134 continue;
3135
3c304956 3136 if (test_bit(JOB_DIE, &ai->jobs)) {
1da177e4
LT		 3137 up(&ai->sem);
3138 break;
3139 }
3140
ca078bae 3141 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
1da177e4
LT		 3142 up(&ai->sem);
3143 continue;
3144 }
3145
3c304956 3146 if (test_bit(JOB_XMIT, &ai->jobs))
1da177e4 3147 airo_end_xmit(dev);
3c304956 3148 else if (test_bit(JOB_XMIT11, &ai->jobs))
1da177e4 3149 airo_end_xmit11(dev);
3c304956 3150 else if (test_bit(JOB_STATS, &ai->jobs))
1da177e4 3151 airo_read_stats(ai);
3c304956 3152 else if (test_bit(JOB_WSTATS, &ai->jobs))
1da177e4 3153 airo_read_wireless_stats(ai);
3c304956 3154 else if (test_bit(JOB_PROMISC, &ai->jobs))
1da177e4 3155 airo_set_promisc(ai);
3c304956 3156 else if (test_bit(JOB_MIC, &ai->jobs))
1da177e4 3157 micinit(ai);
3c304956 3158 else if (test_bit(JOB_EVENT, &ai->jobs))
1da177e4 3159 airo_send_event(dev);
3c304956 3160 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
1da177e4 3161 timer_func(dev);
3c304956 3162 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
9e75af30
DW		 3163 airo_process_scan_results(ai);
3164 else /* Shouldn't get here, but we make sure to unlock */
3165 up(&ai->sem);
1da177e4 3166 }
3b4c7d64
SB		 3167
3168 return 0;
1da177e4
LT		 3169}
3170
0300b332
AV		 3171static int header_len(__le16 ctl)
3172{
3173 u16 fc = le16_to_cpu(ctl);
3174 switch (fc & 0xc) {
3175 case 4:
3176 if ((fc & 0xe0) == 0xc0)
3177 return 10; /* one-address control packet */
3178 return 16; /* two-address control packet */
3179 case 8:
3180 if ((fc & 0x300) == 0x300)
3181 return 30; /* WDS packet */
3182 }
3183 return 24;
3184}
3185
28fc1f5a
JG		 3186static irqreturn_t airo_interrupt(int irq, void *dev_id)
3187{
3188 struct net_device *dev = dev_id;
1da177e4
LT		 3189 u16 status;
3190 u16 fid;
3191 struct airo_info *apriv = dev->priv;
3192 u16 savedInterrupts = 0;
3193 int handled = 0;
3194
3195 if (!netif_device_present(dev))
3196 return IRQ_NONE;
3197
3198 for (;;) {
3199 status = IN4500( apriv, EVSTAT );
3200 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3201
3202 handled = 1;
3203
3204 if ( status & EV_AWAKE ) {
3205 OUT4500( apriv, EVACK, EV_AWAKE );
3206 OUT4500( apriv, EVACK, EV_AWAKE );
3207 }
3208
3209 if (!savedInterrupts) {
3210 savedInterrupts = IN4500( apriv, EVINTEN );
3211 OUT4500( apriv, EVINTEN, 0 );
3212 }
3213
3214 if ( status & EV_MIC ) {
3215 OUT4500( apriv, EVACK, EV_MIC );
1da177e4 3216 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3c304956 3217 set_bit(JOB_MIC, &apriv->jobs);
1da177e4
LT		 3218 wake_up_interruptible(&apriv->thr_wait);
3219 }
1da177e4
LT		 3220 }
3221 if ( status & EV_LINK ) {
3222 union iwreq_data wrqu;
6fcdf565 3223 int scan_forceloss = 0;
1da177e4
LT		 3224 /* The link status has changed, if you want to put a
3225 monitor hook in, do it here. (Remember that
3226 interrupts are still disabled!)
3227 */
3228 u16 newStatus = IN4500(apriv, LINKSTAT);
3229 OUT4500( apriv, EVACK, EV_LINK);
3230 /* Here is what newStatus means: */
3231#define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3232#define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3233#define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3234#define FORCELOSS 0x8003 /* Loss of sync - host request */
3235#define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3236#define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3237#define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3238#define ASSFAIL 0x8400 /* Association failure (low byte is reason
3239 code) */
3240#define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3241 code) */
6fcdf565
DW		 3242#define ASSOCIATED 0x0400 /* Associated */
3243#define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
1da177e4
LT		 3244#define RC_RESERVED 0 /* Reserved return code */
3245#define RC_NOREASON 1 /* Unspecified reason */
3246#define RC_AUTHINV 2 /* Previous authentication invalid */
3247#define RC_DEAUTH 3 /* Deauthenticated because sending station is
3248 leaving */
3249#define RC_NOACT 4 /* Disassociated due to inactivity */
3250#define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3251 all currently associated stations */
3252#define RC_BADCLASS2 6 /* Class 2 frame received from
3253 non-Authenticated station */
3254#define RC_BADCLASS3 7 /* Class 3 frame received from
3255 non-Associated station */
3256#define RC_STATLEAVE 8 /* Disassociated because sending station is
3257 leaving BSS */
3258#define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3259 Authenticated with the responding station */
6fcdf565
DW		 3260 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3261 scan_forceloss = 1;
3262 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
1da177e4
LT		 3263 if (auto_wep)
3264 apriv->expires = 0;
3b4c7d64
SB		 3265 if (apriv->list_bss_task)
3266 wake_up_process(apriv->list_bss_task);
1da177e4
LT		 3267 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3268 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
6fcdf565 3269
1da177e4 3270 if (down_trylock(&apriv->sem) != 0) {
3c304956 3271 set_bit(JOB_EVENT, &apriv->jobs);
1da177e4
LT		 3272 wake_up_interruptible(&apriv->thr_wait);
3273 } else
3274 airo_send_event(dev);
6fcdf565
DW		 3275 } else if (!scan_forceloss) {
3276 if (auto_wep && !apriv->expires) {
3277 apriv->expires = RUN_AT(3*HZ);
3278 wake_up_interruptible(&apriv->thr_wait);
3279 }
1da177e4
LT		 3280
3281 /* Send event to user space */
6fcdf565
DW		 3282 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3283 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
1da177e4
LT		 3284 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3285 }
3286 }
3287
3288 /* Check to see if there is something to receive */
3289 if ( status & EV_RX ) {
3290 struct sk_buff *skb = NULL;
b8c06bc1
AV		 3291 __le16 fc, v;
3292 u16 len, hdrlen = 0;
1da177e4
LT		 3293#pragma pack(1)
3294 struct {
593c2b9c 3295 __le16 status, len;
1da177e4
LT		 3296 u8 rssi[2];
3297 u8 rate;
3298 u8 freq;
593c2b9c 3299 __le16 tmp[4];
1da177e4
LT		 3300 } hdr;
3301#pragma pack()
3302 u16 gap;
b8c06bc1
AV		 3303 __le16 tmpbuf[4];
3304 __le16 *buffer;
1da177e4
LT		 3305
3306 if (test_bit(FLAG_MPI,&apriv->flags)) {
3307 if (test_bit(FLAG_802_11, &apriv->flags))
3308 mpi_receive_802_11(apriv);
3309 else
3310 mpi_receive_802_3(apriv);
3311 OUT4500(apriv, EVACK, EV_RX);
3312 goto exitrx;
3313 }
3314
3315 fid = IN4500( apriv, RXFID );
3316
3317 /* Get the packet length */
3318 if (test_bit(FLAG_802_11, &apriv->flags)) {
3319 bap_setup (apriv, fid, 4, BAP0);
b8c06bc1 3320 bap_read (apriv, (__le16*)&hdr, sizeof(hdr), BAP0);
1da177e4
LT		 3321 /* Bad CRC. Ignore packet */
3322 if (le16_to_cpu(hdr.status) & 2)
3323 hdr.len = 0;
3324 if (apriv->wifidev == NULL)
3325 hdr.len = 0;
3326 } else {
3327 bap_setup (apriv, fid, 0x36, BAP0);
b8c06bc1 3328 bap_read (apriv, &hdr.len, 2, BAP0);
1da177e4
LT		 3329 }
3330 len = le16_to_cpu(hdr.len);
3331
15db2763 3332 if (len > AIRO_DEF_MTU) {
934d8bf1 3333 airo_print_err(apriv->dev->name, "Bad size %d", len);
1da177e4
LT		 3334 goto badrx;
3335 }
3336 if (len == 0)
3337 goto badrx;
3338
3339 if (test_bit(FLAG_802_11, &apriv->flags)) {
0300b332
AV		 3340 bap_read (apriv, &fc, sizeof(fc), BAP0);
3341 hdrlen = header_len(fc);
1da177e4
LT		 3342 } else
3343 hdrlen = ETH_ALEN * 2;
3344
3345 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3346 if ( !skb ) {
3347 apriv->stats.rx_dropped++;
3348 goto badrx;
3349 }
3350 skb_reserve(skb, 2); /* This way the IP header is aligned */
b8c06bc1 3351 buffer = (__le16*)skb_put (skb, len + hdrlen);
1da177e4
LT		 3352 if (test_bit(FLAG_802_11, &apriv->flags)) {
3353 buffer[0] = fc;
3354 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3355 if (hdrlen == 24)
3356 bap_read (apriv, tmpbuf, 6, BAP0);
3357
b8c06bc1
AV		 3358 bap_read (apriv, &v, sizeof(v), BAP0);
3359 gap = le16_to_cpu(v);
1da177e4 3360 if (gap) {
934d8bf1 3361 if (gap <= 8) {
1da177e4 3362 bap_read (apriv, tmpbuf, gap, BAP0);
934d8bf1
DW		 3363 } else {
3364 airo_print_err(apriv->dev->name, "gaplen too "
3365 "big. Problems will follow...");
3366 }
1da177e4
LT		 3367 }
3368 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3369 } else {
1da177e4 3370 MICBuffer micbuf;
1da177e4 3371 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
1da177e4 3372 if (apriv->micstats.enabled) {
b8c06bc1 3373 bap_read (apriv,(__le16*)&micbuf,sizeof(micbuf),BAP0);
1da177e4
LT		 3374 if (ntohs(micbuf.typelen) > 0x05DC)
3375 bap_setup (apriv, fid, 0x44, BAP0);
3376 else {
3377 if (len <= sizeof(micbuf))
3378 goto badmic;
3379
3380 len -= sizeof(micbuf);
3381 skb_trim (skb, len + hdrlen);
3382 }
3383 }
1da177e4 3384 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
1da177e4
LT		 3385 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3386badmic:
3387 dev_kfree_skb_irq (skb);
1da177e4
LT		 3388badrx:
3389 OUT4500( apriv, EVACK, EV_RX);
3390 goto exitrx;
3391 }
3392 }
3393#ifdef WIRELESS_SPY
3394 if (apriv->spy_data.spy_number > 0) {
3395 char *sa;
3396 struct iw_quality wstats;
3397 /* Prepare spy data : addr + qual */
3398 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3399 sa = (char*)buffer + 6;
3400 bap_setup (apriv, fid, 8, BAP0);
b8c06bc1 3401 bap_read (apriv, (__le16*)hdr.rssi, 2, BAP0);
1da177e4
LT		 3402 } else
3403 sa = (char*)buffer + 10;
3404 wstats.qual = hdr.rssi[0];
3405 if (apriv->rssi)
3406 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3407 else
3408 wstats.level = (hdr.rssi[1] + 321) / 2;
41480af2
DW		 3409 wstats.noise = apriv->wstats.qual.noise;
3410 wstats.updated = IW_QUAL_LEVEL_UPDATED
3411 | IW_QUAL_QUAL_UPDATED
ce6623c3 3412 | IW_QUAL_DBM;
1da177e4
LT		 3413 /* Update spy records */
3414 wireless_spy_update(dev, sa, &wstats);
3415 }
3416#endif /* WIRELESS_SPY */
3417 OUT4500( apriv, EVACK, EV_RX);
3418
3419 if (test_bit(FLAG_802_11, &apriv->flags)) {
459a98ed 3420 skb_reset_mac_header(skb);
1da177e4
LT		 3421 skb->pkt_type = PACKET_OTHERHOST;
3422 skb->dev = apriv->wifidev;
3423 skb->protocol = htons(ETH_P_802_2);
4c13eb66 3424 } else
1da177e4 3425 skb->protocol = eth_type_trans(skb,dev);
1da177e4
LT		 3426 skb->dev->last_rx = jiffies;
3427 skb->ip_summed = CHECKSUM_NONE;
3428
3429 netif_rx( skb );
3430 }
3431exitrx:
3432
3433 /* Check to see if a packet has been transmitted */
3434 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3435 int i;
3436 int len = 0;
3437 int index = -1;
3438
3439 if (test_bit(FLAG_MPI,&apriv->flags)) {
3440 unsigned long flags;
3441
3442 if (status & EV_TXEXC)
3443 get_tx_error(apriv, -1);
3444 spin_lock_irqsave(&apriv->aux_lock, flags);
b03efcfb 3445 if (!skb_queue_empty(&apriv->txq)) {
1da177e4
LT		 3446 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3447 mpi_send_packet (dev);
3448 } else {
3449 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3450 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3451 netif_wake_queue (dev);
3452 }
3453 OUT4500( apriv, EVACK,
3454 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3455 goto exittx;
3456 }
3457
3458 fid = IN4500(apriv, TXCOMPLFID);
3459
3460 for( i = 0; i < MAX_FIDS; i++ ) {
3461 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3462 len = apriv->fids[i] >> 16;
3463 index = i;
3464 }
3465 }
3466 if (index != -1) {
3467 if (status & EV_TXEXC)
3468 get_tx_error(apriv, index);
3469 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3470 /* Set up to be used again */
3471 apriv->fids[index] &= 0xffff;
3472 if (index < MAX_FIDS / 2) {
3473 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3474 netif_wake_queue(dev);
3475 } else {
3476 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3477 netif_wake_queue(apriv->wifidev);
3478 }
3479 } else {
3480 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
934d8bf1
DW		 3481 airo_print_err(apriv->dev->name, "Unallocated FID was "
3482 "used to xmit" );
1da177e4
LT		 3483 }
3484 }
3485exittx:
3486 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
934d8bf1 3487 airo_print_warn(apriv->dev->name, "Got weird status %x",
1da177e4
LT		 3488 status & ~STATUS_INTS & ~IGNORE_INTS );
3489 }
3490
3491 if (savedInterrupts)
3492 OUT4500( apriv, EVINTEN, savedInterrupts );
3493
3494 /* done.. */
3495 return IRQ_RETVAL(handled);
3496}
3497
3498/*
3499 * Routines to talk to the card
3500 */
3501
3502/*
3503 * This was originally written for the 4500, hence the name
3504 * NOTE: If use with 8bit mode and SMP bad things will happen!
3505 * Why would some one do 8 bit IO in an SMP machine?!?
3506 */
3507static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3508 if (test_bit(FLAG_MPI,&ai->flags))
3509 reg <<= 1;
3510 if ( !do8bitIO )
3511 outw( val, ai->dev->base_addr + reg );
3512 else {
3513 outb( val & 0xff, ai->dev->base_addr + reg );
3514 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3515 }
3516}
3517
3518static u16 IN4500( struct airo_info *ai, u16 reg ) {
3519 unsigned short rc;
3520
3521 if (test_bit(FLAG_MPI,&ai->flags))
3522 reg <<= 1;
3523 if ( !do8bitIO )
3524 rc = inw( ai->dev->base_addr + reg );
3525 else {
3526 rc = inb( ai->dev->base_addr + reg );
3527 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3528 }
3529 return rc;
3530}
3531
175ec1a1
MS		 3532static int enable_MAC(struct airo_info *ai, int lock)
3533{
1da177e4 3534 int rc;
175ec1a1
MS		 3535 Cmd cmd;
3536 Resp rsp;
1da177e4
LT		 3537
3538 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3539 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3540 * Note : we could try to use !netif_running(dev) in enable_MAC()
3541 * instead of this flag, but I don't trust it *within* the
3542 * open/close functions, and testing both flags together is
3543 * "cheaper" - Jean II */
3544 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3545
3546 if (lock && down_interruptible(&ai->sem))
3547 return -ERESTARTSYS;
3548
3549 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3550 memset(&cmd, 0, sizeof(cmd));
3551 cmd.cmd = MAC_ENABLE;
175ec1a1 3552 rc = issuecommand(ai, &cmd, &rsp);
1da177e4
LT		 3553 if (rc == SUCCESS)
3554 set_bit(FLAG_ENABLED, &ai->flags);
3555 } else
3556 rc = SUCCESS;
3557
3558 if (lock)
3559 up(&ai->sem);
3560
3561 if (rc)
175ec1a1
MS		 3562 airo_print_err(ai->dev->name, "Cannot enable MAC");
3563 else if ((rsp.status & 0xFF00) != 0) {
3564 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3565 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3566 rc = ERROR;
3567 }
1da177e4
LT		 3568 return rc;
3569}
3570
3571static void disable_MAC( struct airo_info *ai, int lock ) {
3572 Cmd cmd;
3573 Resp rsp;
3574
3575 if (lock && down_interruptible(&ai->sem))
3576 return;
3577
3578 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3579 memset(&cmd, 0, sizeof(cmd));
3580 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3581 issuecommand(ai, &cmd, &rsp);
3582 clear_bit(FLAG_ENABLED, &ai->flags);
3583 }
3584 if (lock)
3585 up(&ai->sem);
3586}
3587
3588static void enable_interrupts( struct airo_info *ai ) {
3589 /* Enable the interrupts */
3590 OUT4500( ai, EVINTEN, STATUS_INTS );
3591}
3592
3593static void disable_interrupts( struct airo_info *ai ) {
3594 OUT4500( ai, EVINTEN, 0 );
3595}
3596
3597static void mpi_receive_802_3(struct airo_info *ai)
3598{
3599 RxFid rxd;
3600 int len = 0;
3601 struct sk_buff *skb;
3602 char *buffer;
1da177e4
LT		 3603 int off = 0;
3604 MICBuffer micbuf;
1da177e4
LT		 3605
3606 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3607 /* Make sure we got something */
3608 if (rxd.rdy && rxd.valid == 0) {
3609 len = rxd.len + 12;
3610 if (len < 12 || len > 2048)
3611 goto badrx;
3612
3613 skb = dev_alloc_skb(len);
3614 if (!skb) {
3615 ai->stats.rx_dropped++;
3616 goto badrx;
3617 }
3618 buffer = skb_put(skb,len);
1da177e4
LT		 3619 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3620 if (ai->micstats.enabled) {
3621 memcpy(&micbuf,
3622 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3623 sizeof(micbuf));
3624 if (ntohs(micbuf.typelen) <= 0x05DC) {
3625 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3626 goto badmic;
3627
3628 off = sizeof(micbuf);
3629 skb_trim (skb, len - off);
3630 }
3631 }
3632 memcpy(buffer + ETH_ALEN * 2,
3633 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3634 len - ETH_ALEN * 2 - off);
3635 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3636badmic:
3637 dev_kfree_skb_irq (skb);
3638 goto badrx;
3639 }
1da177e4
LT		 3640#ifdef WIRELESS_SPY
3641 if (ai->spy_data.spy_number > 0) {
3642 char *sa;
3643 struct iw_quality wstats;
3644 /* Prepare spy data : addr + qual */
3645 sa = buffer + ETH_ALEN;
3646 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3647 wstats.level = 0;
3648 wstats.updated = 0;
3649 /* Update spy records */
3650 wireless_spy_update(ai->dev, sa, &wstats);
3651 }
3652#endif /* WIRELESS_SPY */
3653
1da177e4
LT		 3654 skb->ip_summed = CHECKSUM_NONE;
3655 skb->protocol = eth_type_trans(skb, ai->dev);
3656 skb->dev->last_rx = jiffies;
3657 netif_rx(skb);
3658 }
3659badrx:
3660 if (rxd.valid == 0) {
3661 rxd.valid = 1;
3662 rxd.rdy = 0;
3663 rxd.len = PKTSIZE;
3664 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3665 }
3666}
3667
3668void mpi_receive_802_11 (struct airo_info *ai)
3669{
3670 RxFid rxd;
3671 struct sk_buff *skb = NULL;
0300b332
AV		 3672 u16 len, hdrlen = 0;
3673 __le16 fc;
1da177e4
LT		 3674#pragma pack(1)
3675 struct {
593c2b9c 3676 __le16 status, len;
1da177e4
LT		 3677 u8 rssi[2];
3678 u8 rate;
3679 u8 freq;
593c2b9c 3680 __le16 tmp[4];
1da177e4
LT		 3681 } hdr;
3682#pragma pack()
3683 u16 gap;
3684 u16 *buffer;
3685 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3686
3687 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3688 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3689 ptr += sizeof(hdr);
3690 /* Bad CRC. Ignore packet */
3691 if (le16_to_cpu(hdr.status) & 2)
3692 hdr.len = 0;
3693 if (ai->wifidev == NULL)
3694 hdr.len = 0;
3695 len = le16_to_cpu(hdr.len);
15db2763 3696 if (len > AIRO_DEF_MTU) {
934d8bf1 3697 airo_print_err(ai->dev->name, "Bad size %d", len);
1da177e4
LT		 3698 goto badrx;
3699 }
3700 if (len == 0)
3701 goto badrx;
3702
0300b332
AV		 3703 fc = get_unaligned((__le16 *)ptr);
3704 hdrlen = header_len(fc);
1da177e4
LT		 3705
3706 skb = dev_alloc_skb( len + hdrlen + 2 );
3707 if ( !skb ) {
3708 ai->stats.rx_dropped++;
3709 goto badrx;
3710 }
3711 buffer = (u16*)skb_put (skb, len + hdrlen);
3712 memcpy ((char *)buffer, ptr, hdrlen);
3713 ptr += hdrlen;
3714 if (hdrlen == 24)
3715 ptr += 6;
593c2b9c
AV		 3716 gap = le16_to_cpu(get_unaligned((__le16 *)ptr));
3717 ptr += sizeof(__le16);
1da177e4
LT		 3718 if (gap) {
3719 if (gap <= 8)
3720 ptr += gap;
3721 else
934d8bf1
DW		 3722 airo_print_err(ai->dev->name,
3723 "gaplen too big. Problems will follow...");
1da177e4
LT		 3724 }
3725 memcpy ((char *)buffer + hdrlen, ptr, len);
3726 ptr += len;
3727#ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3728 if (ai->spy_data.spy_number > 0) {
3729 char *sa;
3730 struct iw_quality wstats;
3731 /* Prepare spy data : addr + qual */
3732 sa = (char*)buffer + 10;
3733 wstats.qual = hdr.rssi[0];
3734 if (ai->rssi)
3735 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3736 else
3737 wstats.level = (hdr.rssi[1] + 321) / 2;
41480af2
DW		 3738 wstats.noise = ai->wstats.qual.noise;
3739 wstats.updated = IW_QUAL_QUAL_UPDATED
3740 | IW_QUAL_LEVEL_UPDATED
ce6623c3 3741 | IW_QUAL_DBM;
1da177e4
LT		 3742 /* Update spy records */
3743 wireless_spy_update(ai->dev, sa, &wstats);
3744 }
3745#endif /* IW_WIRELESS_SPY */
459a98ed 3746 skb_reset_mac_header(skb);
1da177e4
LT		 3747 skb->pkt_type = PACKET_OTHERHOST;
3748 skb->dev = ai->wifidev;
3749 skb->protocol = htons(ETH_P_802_2);
3750 skb->dev->last_rx = jiffies;
3751 skb->ip_summed = CHECKSUM_NONE;
3752 netif_rx( skb );
3753badrx:
3754 if (rxd.valid == 0) {
3755 rxd.valid = 1;
3756 rxd.rdy = 0;
3757 rxd.len = PKTSIZE;
3758 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3759 }
3760}
3761
3762static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3763{
3764 Cmd cmd;
3765 Resp rsp;
3766 int status;
3767 int i;
3768 SsidRid mySsid;
3769 u16 lastindex;
3770 WepKeyRid wkr;
3771 int rc;
3772
3773 memset( &mySsid, 0, sizeof( mySsid ) );
b4558ea9
JJ		 3774 kfree (ai->flash);
3775 ai->flash = NULL;
1da177e4
LT		 3776
3777 /* The NOP is the first step in getting the card going */
3778 cmd.cmd = NOP;
3779 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3780 if (lock && down_interruptible(&ai->sem))
3781 return ERROR;
3782 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3783 if (lock)
3784 up(&ai->sem);
3785 return ERROR;
3786 }
3787 disable_MAC( ai, 0);
3788
3789 // Let's figure out if we need to use the AUX port
3790 if (!test_bit(FLAG_MPI,&ai->flags)) {
3791 cmd.cmd = CMD_ENABLEAUX;
3792 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3793 if (lock)
3794 up(&ai->sem);
934d8bf1 3795 airo_print_err(ai->dev->name, "Error checking for AUX port");
1da177e4
LT		 3796 return ERROR;
3797 }
3798 if (!aux_bap || rsp.status & 0xff00) {
3799 ai->bap_read = fast_bap_read;
934d8bf1 3800 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
1da177e4
LT		 3801 } else {
3802 ai->bap_read = aux_bap_read;
934d8bf1 3803 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
1da177e4
LT		 3804 }
3805 }
3806 if (lock)
3807 up(&ai->sem);
3808 if (ai->config.len == 0) {
3809 tdsRssiRid rssi_rid;
3810 CapabilityRid cap_rid;
3811
b4558ea9
JJ		 3812 kfree(ai->APList);
3813 ai->APList = NULL;
3814 kfree(ai->SSID);
3815 ai->SSID = NULL;
1da177e4
LT		 3816 // general configuration (read/modify/write)
3817 status = readConfigRid(ai, lock);
3818 if ( status != SUCCESS ) return ERROR;
3819
3820 status = readCapabilityRid(ai, &cap_rid, lock);
3821 if ( status != SUCCESS ) return ERROR;
3822
3823 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3824 if ( status == SUCCESS ) {
3825 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
41480af2 3826 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
1da177e4
LT		 3827 }
3828 else {
b4558ea9
JJ		 3829 kfree(ai->rssi);
3830 ai->rssi = NULL;
1da177e4
LT		 3831 if (cap_rid.softCap & 8)
3832 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3833 else
934d8bf1
DW		 3834 airo_print_warn(ai->dev->name, "unknown received signal "
3835 "level scale");
1da177e4
LT		 3836 }
3837 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3838 ai->config.authType = AUTH_OPEN;
3839 ai->config.modulation = MOD_CCK;
3840
15617858
AV		 3841 if ((cap_rid.len>=sizeof(cap_rid)) &&
3842 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
1da177e4
LT		 3843 (micsetup(ai) == SUCCESS)) {
3844 ai->config.opmode |= MODE_MIC;
3845 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3846 }
1da177e4
LT		 3847
3848 /* Save off the MAC */
3849 for( i = 0; i < ETH_ALEN; i++ ) {
3850 mac[i] = ai->config.macAddr[i];
3851 }
3852
3853 /* Check to see if there are any insmod configured
3854 rates to add */
3855 if ( rates[0] ) {
3856 int i = 0;
3857 memset(ai->config.rates,0,sizeof(ai->config.rates));
3858 for( i = 0; i < 8 && rates[i]; i++ ) {
3859 ai->config.rates[i] = rates[i];
3860 }
3861 }
3862 if ( basic_rate > 0 ) {
3863 int i;
3864 for( i = 0; i < 8; i++ ) {
3865 if ( ai->config.rates[i] == basic_rate ||
3866 !ai->config.rates ) {
3867 ai->config.rates[i] = basic_rate | 0x80;
3868 break;
3869 }
3870 }
3871 }
3872 set_bit (FLAG_COMMIT, &ai->flags);
3873 }
3874
3875 /* Setup the SSIDs if present */
3876 if ( ssids[0] ) {
3877 int i;
3878 for( i = 0; i < 3 && ssids[i]; i++ ) {
0dd2212f
AV		 3879 size_t len = strlen(ssids[i]);
3880 if (len > 32)
3881 len = 32;
3882 mySsid.ssids[i].len = cpu_to_le16(len);
3883 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
1da177e4 3884 }
0dd2212f 3885 mySsid.len = cpu_to_le16(sizeof(mySsid));
1da177e4
LT		 3886 }
3887
3888 status = writeConfigRid(ai, lock);
3889 if ( status != SUCCESS ) return ERROR;
3890
3891 /* Set up the SSID list */
3892 if ( ssids[0] ) {
3893 status = writeSsidRid(ai, &mySsid, lock);
3894 if ( status != SUCCESS ) return ERROR;
3895 }
3896
175ec1a1
MS		 3897 status = enable_MAC(ai, lock);
3898 if (status != SUCCESS)
1da177e4 3899 return ERROR;
1da177e4
LT		 3900
3901 /* Grab the initial wep key, we gotta save it for auto_wep */
3902 rc = readWepKeyRid(ai, &wkr, 1, lock);
3903 if (rc == SUCCESS) do {
3904 lastindex = wkr.kindex;
3905 if (wkr.kindex == 0xffff) {
3906 ai->defindex = wkr.mac[0];
3907 }
3908 rc = readWepKeyRid(ai, &wkr, 0, lock);
3909 } while(lastindex != wkr.kindex);
3910
1c2b7db8 3911 try_auto_wep(ai);
1da177e4
LT		 3912
3913 return SUCCESS;
3914}
3915
3916static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3917 // Im really paranoid about letting it run forever!
3918 int max_tries = 600000;
3919
3920 if (IN4500(ai, EVSTAT) & EV_CMD)
3921 OUT4500(ai, EVACK, EV_CMD);
3922
3923 OUT4500(ai, PARAM0, pCmd->parm0);
3924 OUT4500(ai, PARAM1, pCmd->parm1);
3925 OUT4500(ai, PARAM2, pCmd->parm2);
3926 OUT4500(ai, COMMAND, pCmd->cmd);
3927
3928 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3929 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3930 // PC4500 didn't notice command, try again
3931 OUT4500(ai, COMMAND, pCmd->cmd);
3932 if (!in_atomic() && (max_tries & 255) == 0)
3933 schedule();
3934 }
3935
3936 if ( max_tries == -1 ) {
934d8bf1
DW		 3937 airo_print_err(ai->dev->name,
3938 "Max tries exceeded when issueing command");
1da177e4
LT		 3939 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3940 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3941 return ERROR;
3942 }
3943
3944 // command completed
3945 pRsp->status = IN4500(ai, STATUS);
3946 pRsp->rsp0 = IN4500(ai, RESP0);
3947 pRsp->rsp1 = IN4500(ai, RESP1);
3948 pRsp->rsp2 = IN4500(ai, RESP2);
13dca9b8
RS		 3949 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3950 airo_print_err(ai->dev->name,
3951 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3952 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3953 pRsp->rsp2);
1da177e4
LT		 3954
3955 // clear stuck command busy if necessary
3956 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3957 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3958 }
3959 // acknowledge processing the status/response
3960 OUT4500(ai, EVACK, EV_CMD);
3961
3962 return SUCCESS;
3963}
3964
3965/* Sets up the bap to start exchange data. whichbap should
3966 * be one of the BAP0 or BAP1 defines. Locks should be held before
3967 * calling! */
3968static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3969{
3970 int timeout = 50;
3971 int max_tries = 3;
3972
3973 OUT4500(ai, SELECT0+whichbap, rid);
3974 OUT4500(ai, OFFSET0+whichbap, offset);
3975 while (1) {
3976 int status = IN4500(ai, OFFSET0+whichbap);
3977 if (status & BAP_BUSY) {
3978 /* This isn't really a timeout, but its kinda
3979 close */
3980 if (timeout--) {
3981 continue;
3982 }
3983 } else if ( status & BAP_ERR ) {
3984 /* invalid rid or offset */
934d8bf1 3985 airo_print_err(ai->dev->name, "BAP error %x %d",
1da177e4
LT		 3986 status, whichbap );
3987 return ERROR;
3988 } else if (status & BAP_DONE) { // success
3989 return SUCCESS;
3990 }
3991 if ( !(max_tries--) ) {
934d8bf1 3992 airo_print_err(ai->dev->name,
1138c37b 3993 "BAP setup error too many retries\n");
1da177e4
LT		 3994 return ERROR;
3995 }
3996 // -- PC4500 missed it, try again
3997 OUT4500(ai, SELECT0+whichbap, rid);
3998 OUT4500(ai, OFFSET0+whichbap, offset);
3999 timeout = 50;
4000 }
4001}
4002
4003/* should only be called by aux_bap_read. This aux function and the
4004 following use concepts not documented in the developers guide. I
4005 got them from a patch given to my by Aironet */
4006static u16 aux_setup(struct airo_info *ai, u16 page,
4007 u16 offset, u16 *len)
4008{
4009 u16 next;
4010
4011 OUT4500(ai, AUXPAGE, page);
4012 OUT4500(ai, AUXOFF, 0);
4013 next = IN4500(ai, AUXDATA);
4014 *len = IN4500(ai, AUXDATA)&0xff;
4015 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4016 return next;
4017}
4018
4019/* requires call to bap_setup() first */
b8c06bc1 4020static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
1da177e4
LT		 4021 int bytelen, int whichbap)
4022{
4023 u16 len;
4024 u16 page;
4025 u16 offset;
4026 u16 next;
4027 int words;
4028 int i;
4029 unsigned long flags;
4030
4031 spin_lock_irqsave(&ai->aux_lock, flags);
4032 page = IN4500(ai, SWS0+whichbap);
4033 offset = IN4500(ai, SWS2+whichbap);
4034 next = aux_setup(ai, page, offset, &len);
4035 words = (bytelen+1)>>1;
4036
4037 for (i=0; i<words;) {
4038 int count;
4039 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4040 if ( !do8bitIO )
4041 insw( ai->dev->base_addr+DATA0+whichbap,
4042 pu16Dst+i,count );
4043 else
4044 insb( ai->dev->base_addr+DATA0+whichbap,
4045 pu16Dst+i, count << 1 );
4046 i += count;
4047 if (i<words) {
4048 next = aux_setup(ai, next, 4, &len);
4049 }
4050 }
4051 spin_unlock_irqrestore(&ai->aux_lock, flags);
4052 return SUCCESS;
4053}
4054
4055
4056/* requires call to bap_setup() first */
b8c06bc1 4057static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
1da177e4
LT		 4058 int bytelen, int whichbap)
4059{
4060 bytelen = (bytelen + 1) & (~1); // round up to even value
4061 if ( !do8bitIO )
4062 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4063 else
4064 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4065 return SUCCESS;
4066}
4067
4068/* requires call to bap_setup() first */
b8c06bc1 4069static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
1da177e4
LT		 4070 int bytelen, int whichbap)
4071{
4072 bytelen = (bytelen + 1) & (~1); // round up to even value
4073 if ( !do8bitIO )
4074 outsw( ai->dev->base_addr+DATA0+whichbap,
4075 pu16Src, bytelen>>1 );
4076 else
4077 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4078 return SUCCESS;
4079}
4080
4081static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4082{
4083 Cmd cmd; /* for issuing commands */
4084 Resp rsp; /* response from commands */
4085 u16 status;
4086
4087 memset(&cmd, 0, sizeof(cmd));
4088 cmd.cmd = accmd;
4089 cmd.parm0 = rid;
4090 status = issuecommand(ai, &cmd, &rsp);
4091 if (status != 0) return status;
4092 if ( (rsp.status & 0x7F00) != 0) {
4093 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4094 }
4095 return 0;
4096}
4097
4098/* Note, that we are using BAP1 which is also used by transmit, so
4099 * we must get a lock. */
4100static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4101{
4102 u16 status;
4103 int rc = SUCCESS;
4104
4105 if (lock) {
4106 if (down_interruptible(&ai->sem))
4107 return ERROR;
4108 }
4109 if (test_bit(FLAG_MPI,&ai->flags)) {
4110 Cmd cmd;
4111 Resp rsp;
4112
4113 memset(&cmd, 0, sizeof(cmd));
4114 memset(&rsp, 0, sizeof(rsp));
4115 ai->config_desc.rid_desc.valid = 1;
4116 ai->config_desc.rid_desc.len = RIDSIZE;
4117 ai->config_desc.rid_desc.rid = 0;
4118 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4119
4120 cmd.cmd = CMD_ACCESS;
4121 cmd.parm0 = rid;
4122
4123 memcpy_toio(ai->config_desc.card_ram_off,
4124 &ai->config_desc.rid_desc, sizeof(Rid));
4125
4126 rc = issuecommand(ai, &cmd, &rsp);
4127
4128 if (rsp.status & 0x7f00)
4129 rc = rsp.rsp0;
4130 if (!rc)
4131 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4132 goto done;
4133 } else {
4134 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4135 rc = status;
4136 goto done;
4137 }
4138 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4139 rc = ERROR;
4140 goto done;
4141 }
4142 // read the rid length field
4143 bap_read(ai, pBuf, 2, BAP1);
4144 // length for remaining part of rid
593c2b9c 4145 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
1da177e4
LT		 4146
4147 if ( len <= 2 ) {
934d8bf1
DW		 4148 airo_print_err(ai->dev->name,
4149 "Rid %x has a length of %d which is too short",
1da177e4
LT		 4150 (int)rid, (int)len );
4151 rc = ERROR;
4152 goto done;
4153 }
4154 // read remainder of the rid
b8c06bc1 4155 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
1da177e4
LT		 4156 }
4157done:
4158 if (lock)
4159 up(&ai->sem);
4160 return rc;
4161}
4162
4163/* Note, that we are using BAP1 which is also used by transmit, so
4164 * make sure this isnt called when a transmit is happening */
4165static int PC4500_writerid(struct airo_info *ai, u16 rid,
4166 const void *pBuf, int len, int lock)
4167{
4168 u16 status;
4169 int rc = SUCCESS;
4170
593c2b9c 4171 *(__le16*)pBuf = cpu_to_le16((u16)len);
1da177e4
LT		 4172
4173 if (lock) {
4174 if (down_interruptible(&ai->sem))
4175 return ERROR;
4176 }
4177 if (test_bit(FLAG_MPI,&ai->flags)) {
4178 Cmd cmd;
4179 Resp rsp;
4180
f89b2321 4181 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
934d8bf1
DW		 4182 airo_print_err(ai->dev->name,
4183 "%s: MAC should be disabled (rid=%04x)",
1da177e4
LT		 4184 __FUNCTION__, rid);
4185 memset(&cmd, 0, sizeof(cmd));
4186 memset(&rsp, 0, sizeof(rsp));
4187
4188 ai->config_desc.rid_desc.valid = 1;
4189 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4190 ai->config_desc.rid_desc.rid = 0;
4191
4192 cmd.cmd = CMD_WRITERID;
4193 cmd.parm0 = rid;
4194
4195 memcpy_toio(ai->config_desc.card_ram_off,
4196 &ai->config_desc.rid_desc, sizeof(Rid));
4197
4198 if (len < 4 || len > 2047) {
934d8bf1 4199 airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
1da177e4
LT		 4200 rc = -1;
4201 } else {
4202 memcpy((char *)ai->config_desc.virtual_host_addr,
4203 pBuf, len);
4204
4205 rc = issuecommand(ai, &cmd, &rsp);
4206 if ((rc & 0xff00) != 0) {
934d8bf1
DW		 4207 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4208 __FUNCTION__, rc);
4209 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4210 __FUNCTION__, cmd.cmd);
1da177e4
LT		 4211 }
4212
4213 if ((rsp.status & 0x7f00))
4214 rc = rsp.rsp0;
4215 }
4216 } else {
4217 // --- first access so that we can write the rid data
4218 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4219 rc = status;
4220 goto done;
4221 }
4222 // --- now write the rid data
4223 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4224 rc = ERROR;
4225 goto done;
4226 }
4227 bap_write(ai, pBuf, len, BAP1);
4228 // ---now commit the rid data
4229 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4230 }
4231done:
4232 if (lock)
4233 up(&ai->sem);
4234 return rc;
4235}
4236
4237/* Allocates a FID to be used for transmitting packets. We only use
4238 one for now. */
4239static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4240{
4241 unsigned int loop = 3000;
4242 Cmd cmd;
4243 Resp rsp;
4244 u16 txFid;
593c2b9c 4245 __le16 txControl;
1da177e4
LT		 4246
4247 cmd.cmd = CMD_ALLOCATETX;
4248 cmd.parm0 = lenPayload;
4249 if (down_interruptible(&ai->sem))
4250 return ERROR;
4251 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4252 txFid = ERROR;
4253 goto done;
4254 }
4255 if ( (rsp.status & 0xFF00) != 0) {
4256 txFid = ERROR;
4257 goto done;
4258 }
4259 /* wait for the allocate event/indication
4260 * It makes me kind of nervous that this can just sit here and spin,
4261 * but in practice it only loops like four times. */
4262 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4263 if (!loop) {
4264 txFid = ERROR;
4265 goto done;
4266 }
4267
4268 // get the allocated fid and acknowledge
4269 txFid = IN4500(ai, TXALLOCFID);
4270 OUT4500(ai, EVACK, EV_ALLOC);
4271
4272 /* The CARD is pretty cool since it converts the ethernet packet
4273 * into 802.11. Also note that we don't release the FID since we
4274 * will be using the same one over and over again. */
4275 /* We only have to setup the control once since we are not
4276 * releasing the fid. */
4277 if (raw)
4278 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4279 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4280 else
4281 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4282 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4283 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4284 txFid = ERROR;
4285 else
4286 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4287
4288done:
4289 up(&ai->sem);
4290
4291 return txFid;
4292}
4293
4294/* In general BAP1 is dedicated to transmiting packets. However,
4295 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4296 Make sure the BAP1 spinlock is held when this is called. */
4297static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4298{
593c2b9c 4299 __le16 payloadLen;
1da177e4
LT		 4300 Cmd cmd;
4301 Resp rsp;
4302 int miclen = 0;
4303 u16 txFid = len;
4304 MICBuffer pMic;
4305
4306 len >>= 16;
4307
4308 if (len <= ETH_ALEN * 2) {
934d8bf1 4309 airo_print_warn(ai->dev->name, "Short packet %d", len);
1da177e4
LT		 4310 return ERROR;
4311 }
4312 len -= ETH_ALEN * 2;
4313
1da177e4 4314 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
593c2b9c 4315 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
1da177e4
LT		 4316 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4317 return ERROR;
4318 miclen = sizeof(pMic);
4319 }
1da177e4
LT		 4320 // packet is destination[6], source[6], payload[len-12]
4321 // write the payload length and dst/src/payload
4322 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4323 /* The hardware addresses aren't counted as part of the payload, so
4324 * we have to subtract the 12 bytes for the addresses off */
4325 payloadLen = cpu_to_le16(len + miclen);
4326 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
b8c06bc1 4327 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
1da177e4 4328 if (miclen)
b8c06bc1
AV		 4329 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4330 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
1da177e4
LT		 4331 // issue the transmit command
4332 memset( &cmd, 0, sizeof( cmd ) );
4333 cmd.cmd = CMD_TRANSMIT;
4334 cmd.parm0 = txFid;
4335 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4336 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4337 return SUCCESS;
4338}
4339
4340static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4341{
593c2b9c 4342 __le16 fc, payloadLen;
1da177e4
LT		 4343 Cmd cmd;
4344 Resp rsp;
4345 int hdrlen;
977b143c
AV		 4346 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4347 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
1da177e4
LT		 4348 u16 txFid = len;
4349 len >>= 16;
1da177e4 4350
0300b332
AV		 4351 fc = *(__le16*)pPacket;
4352 hdrlen = header_len(fc);
1da177e4
LT		 4353
4354 if (len < hdrlen) {
934d8bf1 4355 airo_print_warn(ai->dev->name, "Short packet %d", len);
1da177e4
LT		 4356 return ERROR;
4357 }
4358
4359 /* packet is 802.11 header + payload
4360 * write the payload length and dst/src/payload */
4361 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4362 /* The 802.11 header aren't counted as part of the payload, so
4363 * we have to subtract the header bytes off */
4364 payloadLen = cpu_to_le16(len-hdrlen);
4365 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4366 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
b8c06bc1
AV		 4367 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4368 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
1da177e4 4369
b8c06bc1 4370 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
1da177e4
LT		 4371 // issue the transmit command
4372 memset( &cmd, 0, sizeof( cmd ) );
4373 cmd.cmd = CMD_TRANSMIT;
4374 cmd.parm0 = txFid;
4375 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4376 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4377 return SUCCESS;
4378}
4379
4380/*
4381 * This is the proc_fs routines. It is a bit messier than I would
4382 * like! Feel free to clean it up!
4383 */
4384
4385static ssize_t proc_read( struct file *file,
4386 char __user *buffer,
4387 size_t len,
4388 loff_t *offset);
4389
4390static ssize_t proc_write( struct file *file,
4391 const char __user *buffer,
4392 size_t len,
4393 loff_t *offset );
4394static int proc_close( struct inode *inode, struct file *file );
4395
4396static int proc_stats_open( struct inode *inode, struct file *file );
4397static int proc_statsdelta_open( struct inode *inode, struct file *file );
4398static int proc_status_open( struct inode *inode, struct file *file );
4399static int proc_SSID_open( struct inode *inode, struct file *file );
4400static int proc_APList_open( struct inode *inode, struct file *file );
4401static int proc_BSSList_open( struct inode *inode, struct file *file );
4402static int proc_config_open( struct inode *inode, struct file *file );
4403static int proc_wepkey_open( struct inode *inode, struct file *file );
4404
d54b1fdb 4405static const struct file_operations proc_statsdelta_ops = {
1da177e4
LT		 4406 .read = proc_read,
4407 .open = proc_statsdelta_open,
4408 .release = proc_close
4409};
4410
d54b1fdb 4411static const struct file_operations proc_stats_ops = {
1da177e4
LT		 4412 .read = proc_read,
4413 .open = proc_stats_open,
4414 .release = proc_close
4415};
4416
d54b1fdb 4417static const struct file_operations proc_status_ops = {
1da177e4
LT		 4418 .read = proc_read,
4419 .open = proc_status_open,
4420 .release = proc_close
4421};
4422
d54b1fdb 4423static const struct file_operations proc_SSID_ops = {
1da177e4
LT		 4424 .read = proc_read,
4425 .write = proc_write,
4426 .open = proc_SSID_open,
4427 .release = proc_close
4428};
4429
d54b1fdb 4430static const struct file_operations proc_BSSList_ops = {
1da177e4
LT		 4431 .read = proc_read,
4432 .write = proc_write,
4433 .open = proc_BSSList_open,
4434 .release = proc_close
4435};
4436
d54b1fdb 4437static const struct file_operations proc_APList_ops = {
1da177e4
LT		 4438 .read = proc_read,
4439 .write = proc_write,
4440 .open = proc_APList_open,
4441 .release = proc_close
4442};
4443
d54b1fdb 4444static const struct file_operations proc_config_ops = {
1da177e4
LT		 4445 .read = proc_read,
4446 .write = proc_write,
4447 .open = proc_config_open,
4448 .release = proc_close
4449};
4450
d54b1fdb 4451static const struct file_operations proc_wepkey_ops = {
1da177e4
LT		 4452 .read = proc_read,
4453 .write = proc_write,
4454 .open = proc_wepkey_open,
4455 .release = proc_close
4456};
4457
4458static struct proc_dir_entry *airo_entry;
4459
4460struct proc_data {
4461 int release_buffer;
4462 int readlen;
4463 char *rbuffer;
4464 int writelen;
4465 int maxwritelen;
4466 char *wbuffer;
4467 void (*on_close) (struct inode *, struct file *);
4468};
4469
4470#ifndef SETPROC_OPS
4471#define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4472#endif
4473
4474static int setup_proc_entry( struct net_device *dev,
4475 struct airo_info *apriv ) {
4476 struct proc_dir_entry *entry;
4477 /* First setup the device directory */
4478 strcpy(apriv->proc_name,dev->name);
4479 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4480 S_IFDIR|airo_perm,
4481 airo_entry);
431aca5a
FM		 4482 if (!apriv->proc_entry)
4483 goto fail;
4484 apriv->proc_entry->uid = proc_uid;
4485 apriv->proc_entry->gid = proc_gid;
4486 apriv->proc_entry->owner = THIS_MODULE;
1da177e4
LT		 4487
4488 /* Setup the StatsDelta */
4489 entry = create_proc_entry("StatsDelta",
4490 S_IFREG | (S_IRUGO&proc_perm),
4491 apriv->proc_entry);
431aca5a
FM		 4492 if (!entry)
4493 goto fail_stats_delta;
4494 entry->uid = proc_uid;
4495 entry->gid = proc_gid;
1da177e4 4496 entry->data = dev;
431aca5a 4497 entry->owner = THIS_MODULE;
1da177e4
LT		 4498 SETPROC_OPS(entry, proc_statsdelta_ops);
4499
4500 /* Setup the Stats */
4501 entry = create_proc_entry("Stats",
4502 S_IFREG | (S_IRUGO&proc_perm),
4503 apriv->proc_entry);
431aca5a
FM		 4504 if (!entry)
4505 goto fail_stats;
4506 entry->uid = proc_uid;
4507 entry->gid = proc_gid;
1da177e4 4508 entry->data = dev;
431aca5a 4509 entry->owner = THIS_MODULE;
1da177e4
LT		 4510 SETPROC_OPS(entry, proc_stats_ops);
4511
4512 /* Setup the Status */
4513 entry = create_proc_entry("Status",
4514 S_IFREG | (S_IRUGO&proc_perm),
4515 apriv->proc_entry);
431aca5a
FM		 4516 if (!entry)
4517 goto fail_status;
4518 entry->uid = proc_uid;
4519 entry->gid = proc_gid;
1da177e4 4520 entry->data = dev;
431aca5a 4521 entry->owner = THIS_MODULE;
1da177e4
LT		 4522 SETPROC_OPS(entry, proc_status_ops);
4523
4524 /* Setup the Config */
4525 entry = create_proc_entry("Config",
4526 S_IFREG | proc_perm,
4527 apriv->proc_entry);
431aca5a
FM		 4528 if (!entry)
4529 goto fail_config;
4530 entry->uid = proc_uid;
4531 entry->gid = proc_gid;
1da177e4 4532 entry->data = dev;
431aca5a 4533 entry->owner = THIS_MODULE;
1da177e4
LT		 4534 SETPROC_OPS(entry, proc_config_ops);
4535
4536 /* Setup the SSID */
4537 entry = create_proc_entry("SSID",
4538 S_IFREG | proc_perm,
4539 apriv->proc_entry);
431aca5a
FM		 4540 if (!entry)
4541 goto fail_ssid;
4542 entry->uid = proc_uid;
4543 entry->gid = proc_gid;
1da177e4 4544 entry->data = dev;
431aca5a 4545 entry->owner = THIS_MODULE;
1da177e4
LT		 4546 SETPROC_OPS(entry, proc_SSID_ops);
4547
4548 /* Setup the APList */
4549 entry = create_proc_entry("APList",
4550 S_IFREG | proc_perm,
4551 apriv->proc_entry);
431aca5a
FM		 4552 if (!entry)
4553 goto fail_aplist;
4554 entry->uid = proc_uid;
4555 entry->gid = proc_gid;
1da177e4 4556 entry->data = dev;
431aca5a 4557 entry->owner = THIS_MODULE;
1da177e4
LT		 4558 SETPROC_OPS(entry, proc_APList_ops);
4559
4560 /* Setup the BSSList */
4561 entry = create_proc_entry("BSSList",
4562 S_IFREG | proc_perm,
4563 apriv->proc_entry);
431aca5a
FM		 4564 if (!entry)
4565 goto fail_bsslist;
1da177e4
LT		 4566 entry->uid = proc_uid;
4567 entry->gid = proc_gid;
4568 entry->data = dev;
431aca5a 4569 entry->owner = THIS_MODULE;
1da177e4
LT		 4570 SETPROC_OPS(entry, proc_BSSList_ops);
4571
4572 /* Setup the WepKey */
4573 entry = create_proc_entry("WepKey",
4574 S_IFREG | proc_perm,
4575 apriv->proc_entry);
431aca5a
FM		 4576 if (!entry)
4577 goto fail_wepkey;
4578 entry->uid = proc_uid;
4579 entry->gid = proc_gid;
1da177e4 4580 entry->data = dev;
431aca5a 4581 entry->owner = THIS_MODULE;
1da177e4
LT		 4582 SETPROC_OPS(entry, proc_wepkey_ops);
4583
4584 return 0;
431aca5a
FM		 4585
4586fail_wepkey:
4587 remove_proc_entry("BSSList", apriv->proc_entry);
4588fail_bsslist:
4589 remove_proc_entry("APList", apriv->proc_entry);
4590fail_aplist:
4591 remove_proc_entry("SSID", apriv->proc_entry);
4592fail_ssid:
4593 remove_proc_entry("Config", apriv->proc_entry);
4594fail_config:
4595 remove_proc_entry("Status", apriv->proc_entry);
4596fail_status:
4597 remove_proc_entry("Stats", apriv->proc_entry);
4598fail_stats:
4599 remove_proc_entry("StatsDelta", apriv->proc_entry);
4600fail_stats_delta:
4601 remove_proc_entry(apriv->proc_name, airo_entry);
4602fail:
4603 return -ENOMEM;
1da177e4
LT		 4604}
4605
4606static int takedown_proc_entry( struct net_device *dev,
4607 struct airo_info *apriv ) {
4608 if ( !apriv->proc_entry->namelen ) return 0;
4609 remove_proc_entry("Stats",apriv->proc_entry);
4610 remove_proc_entry("StatsDelta",apriv->proc_entry);
4611 remove_proc_entry("Status",apriv->proc_entry);
4612 remove_proc_entry("Config",apriv->proc_entry);
4613 remove_proc_entry("SSID",apriv->proc_entry);
4614 remove_proc_entry("APList",apriv->proc_entry);
4615 remove_proc_entry("BSSList",apriv->proc_entry);
4616 remove_proc_entry("WepKey",apriv->proc_entry);
4617 remove_proc_entry(apriv->proc_name,airo_entry);
4618 return 0;
4619}
4620
4621/*
4622 * What we want from the proc_fs is to be able to efficiently read
4623 * and write the configuration. To do this, we want to read the
4624 * configuration when the file is opened and write it when the file is
4625 * closed. So basically we allocate a read buffer at open and fill it
4626 * with data, and allocate a write buffer and read it at close.
4627 */
4628
4629/*
4630 * The read routine is generic, it relies on the preallocated rbuffer
4631 * to supply the data.
4632 */
4633static ssize_t proc_read( struct file *file,
4634 char __user *buffer,
4635 size_t len,
4636 loff_t *offset )
4637{
4638 loff_t pos = *offset;
4639 struct proc_data *priv = (struct proc_data*)file->private_data;
4640
4641 if (!priv->rbuffer)
4642 return -EINVAL;
4643
4644 if (pos < 0)
4645 return -EINVAL;
4646 if (pos >= priv->readlen)
4647 return 0;
4648 if (len > priv->readlen - pos)
4649 len = priv->readlen - pos;
4650 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4651 return -EFAULT;
4652 *offset = pos + len;
4653 return len;
4654}
4655
4656/*
4657 * The write routine is generic, it fills in a preallocated rbuffer
4658 * to supply the data.
4659 */
4660static ssize_t proc_write( struct file *file,
4661 const char __user *buffer,
4662 size_t len,
4663 loff_t *offset )
4664{
4665 loff_t pos = *offset;
4666 struct proc_data *priv = (struct proc_data*)file->private_data;
4667
4668 if (!priv->wbuffer)
4669 return -EINVAL;
4670
4671 if (pos < 0)
4672 return -EINVAL;
4673 if (pos >= priv->maxwritelen)
4674 return 0;
4675 if (len > priv->maxwritelen - pos)
4676 len = priv->maxwritelen - pos;
4677 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4678 return -EFAULT;
4679 if ( pos + len > priv->writelen )
4680 priv->writelen = len + file->f_pos;
4681 *offset = pos + len;
4682 return len;
4683}
4684
4685static int proc_status_open( struct inode *inode, struct file *file ) {
4686 struct proc_data *data;
4687 struct proc_dir_entry *dp = PDE(inode);
4688 struct net_device *dev = dp->data;
4689 struct airo_info *apriv = dev->priv;
4690 CapabilityRid cap_rid;
4691 StatusRid status_rid;
4692 int i;
4693
b69a3aa8 4694 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 4695 return -ENOMEM;
1da177e4
LT		 4696 data = (struct proc_data *)file->private_data;
4697 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4698 kfree (file->private_data);
4699 return -ENOMEM;
4700 }
4701
4702 readStatusRid(apriv, &status_rid, 1);
4703 readCapabilityRid(apriv, &cap_rid, 1);
4704
4705 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4706 status_rid.mode & 1 ? "CFG ": "",
4707 status_rid.mode & 2 ? "ACT ": "",
4708 status_rid.mode & 0x10 ? "SYN ": "",
4709 status_rid.mode & 0x20 ? "LNK ": "",
4710 status_rid.mode & 0x40 ? "LEAP ": "",
4711 status_rid.mode & 0x80 ? "PRIV ": "",
4712 status_rid.mode & 0x100 ? "KEY ": "",
4713 status_rid.mode & 0x200 ? "WEP ": "",
4714 status_rid.mode & 0x8000 ? "ERR ": "");
4715 sprintf( data->rbuffer+i, "Mode: %x\n"
4716 "Signal Strength: %d\n"
4717 "Signal Quality: %d\n"
4718 "SSID: %-.*s\n"
4719 "AP: %-.16s\n"
4720 "Freq: %d\n"
4721 "BitRate: %dmbs\n"
4722 "Driver Version: %s\n"
4723 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4724 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4725 "Software Version: %x\nSoftware Subversion: %x\n"
4726 "Boot block version: %x\n",
4727 (int)status_rid.mode,
4728 (int)status_rid.normalizedSignalStrength,
4729 (int)status_rid.signalQuality,
4730 (int)status_rid.SSIDlen,
4731 status_rid.SSID,
4732 status_rid.apName,
4733 (int)status_rid.channel,
4734 (int)status_rid.currentXmitRate/2,
4735 version,
4736 cap_rid.prodName,
4737 cap_rid.manName,
4738 cap_rid.prodVer,
4739 cap_rid.radioType,
4740 cap_rid.country,
4741 cap_rid.hardVer,
4742 (int)cap_rid.softVer,
4743 (int)cap_rid.softSubVer,
4744 (int)cap_rid.bootBlockVer );
4745 data->readlen = strlen( data->rbuffer );
4746 return 0;
4747}
4748
4749static int proc_stats_rid_open(struct inode*, struct file*, u16);
4750static int proc_statsdelta_open( struct inode *inode,
4751 struct file *file ) {
4752 if (file->f_mode&FMODE_WRITE) {
4753 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4754 }
4755 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4756}
4757
4758static int proc_stats_open( struct inode *inode, struct file *file ) {
4759 return proc_stats_rid_open(inode, file, RID_STATS);
4760}
4761
4762static int proc_stats_rid_open( struct inode *inode,
4763 struct file *file,
4764 u16 rid ) {
4765 struct proc_data *data;
4766 struct proc_dir_entry *dp = PDE(inode);
4767 struct net_device *dev = dp->data;
4768 struct airo_info *apriv = dev->priv;
4769 StatsRid stats;
4770 int i, j;
4771 u32 *vals = stats.vals;
4772
b69a3aa8 4773 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 4774 return -ENOMEM;
1da177e4
LT		 4775 data = (struct proc_data *)file->private_data;
4776 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4777 kfree (file->private_data);
4778 return -ENOMEM;
4779 }
4780
4781 readStatsRid(apriv, &stats, rid, 1);
4782
4783 j = 0;
4784 for(i=0; statsLabels[i]!=(char *)-1 &&
4785 i*4<stats.len; i++){
4786 if (!statsLabels[i]) continue;
4787 if (j+strlen(statsLabels[i])+16>4096) {
934d8bf1
DW		 4788 airo_print_warn(apriv->dev->name,
4789 "Potentially disasterous buffer overflow averted!");
1da177e4
LT		 4790 break;
4791 }
4792 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], vals[i]);
4793 }
4794 if (i*4>=stats.len){
934d8bf1 4795 airo_print_warn(apriv->dev->name, "Got a short rid");
1da177e4
LT		 4796 }
4797 data->readlen = j;
4798 return 0;
4799}
4800
4801static int get_dec_u16( char *buffer, int *start, int limit ) {
4802 u16 value;
4803 int valid = 0;
4804 for( value = 0; buffer[*start] >= '0' &&
4805 buffer[*start] <= '9' &&
4806 *start < limit; (*start)++ ) {
4807 valid = 1;
4808 value *= 10;
4809 value += buffer[*start] - '0';
4810 }
4811 if ( !valid ) return -1;
4812 return value;
4813}
4814
4815static int airo_config_commit(struct net_device *dev,
4816 struct iw_request_info *info, void *zwrq,
4817 char *extra);
4818
4819static void proc_config_on_close( struct inode *inode, struct file *file ) {
4820 struct proc_data *data = file->private_data;
4821 struct proc_dir_entry *dp = PDE(inode);
4822 struct net_device *dev = dp->data;
4823 struct airo_info *ai = dev->priv;
4824 char *line;
4825
4826 if ( !data->writelen ) return;
4827
4828 readConfigRid(ai, 1);
4829 set_bit (FLAG_COMMIT, &ai->flags);
4830
4831 line = data->wbuffer;
4832 while( line[0] ) {
4833/*** Mode processing */
4834 if ( !strncmp( line, "Mode: ", 6 ) ) {
4835 line += 6;
4836 if ((ai->config.rmode & 0xff) >= RXMODE_RFMON)
4837 set_bit (FLAG_RESET, &ai->flags);
4838 ai->config.rmode &= 0xfe00;
4839 clear_bit (FLAG_802_11, &ai->flags);
4840 ai->config.opmode &= 0xFF00;
4841 ai->config.scanMode = SCANMODE_ACTIVE;
4842 if ( line[0] == 'a' ) {
4843 ai->config.opmode |= 0;
4844 } else {
4845 ai->config.opmode |= 1;
4846 if ( line[0] == 'r' ) {
4847 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4848 ai->config.scanMode = SCANMODE_PASSIVE;
4849 set_bit (FLAG_802_11, &ai->flags);
4850 } else if ( line[0] == 'y' ) {
4851 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4852 ai->config.scanMode = SCANMODE_PASSIVE;
4853 set_bit (FLAG_802_11, &ai->flags);
4854 } else if ( line[0] == 'l' )
4855 ai->config.rmode |= RXMODE_LANMON;
4856 }
4857 set_bit (FLAG_COMMIT, &ai->flags);
4858 }
4859
4860/*** Radio status */
4861 else if (!strncmp(line,"Radio: ", 7)) {
4862 line += 7;
4863 if (!strncmp(line,"off",3)) {
4864 set_bit (FLAG_RADIO_OFF, &ai->flags);
4865 } else {
4866 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4867 }
4868 }
4869/*** NodeName processing */
4870 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4871 int j;
4872
4873 line += 10;
4874 memset( ai->config.nodeName, 0, 16 );
4875/* Do the name, assume a space between the mode and node name */
4876 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4877 ai->config.nodeName[j] = line[j];
4878 }
4879 set_bit (FLAG_COMMIT, &ai->flags);
4880 }
4881
4882/*** PowerMode processing */
4883 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4884 line += 11;
4885 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4886 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4887 set_bit (FLAG_COMMIT, &ai->flags);
4888 } else if ( !strncmp( line, "PSP", 3 ) ) {
4889 ai->config.powerSaveMode = POWERSAVE_PSP;
4890 set_bit (FLAG_COMMIT, &ai->flags);
4891 } else {
4892 ai->config.powerSaveMode = POWERSAVE_CAM;
4893 set_bit (FLAG_COMMIT, &ai->flags);
4894 }
4895 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4896 int v, i = 0, k = 0; /* i is index into line,
4897 k is index to rates */
4898
4899 line += 11;
4900 while((v = get_dec_u16(line, &i, 3))!=-1) {
4901 ai->config.rates[k++] = (u8)v;
4902 line += i + 1;
4903 i = 0;
4904 }
4905 set_bit (FLAG_COMMIT, &ai->flags);
4906 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4907 int v, i = 0;
4908 line += 9;
4909 v = get_dec_u16(line, &i, i+3);
4910 if ( v != -1 ) {
4911 ai->config.channelSet = (u16)v;
4912 set_bit (FLAG_COMMIT, &ai->flags);
4913 }
4914 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4915 int v, i = 0;
4916 line += 11;
4917 v = get_dec_u16(line, &i, i+3);
4918 if ( v != -1 ) {
4919 ai->config.txPower = (u16)v;
4920 set_bit (FLAG_COMMIT, &ai->flags);
4921 }
4922 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4923 line += 5;
4924 switch( line[0] ) {
4925 case 's':
4926 ai->config.authType = (u16)AUTH_SHAREDKEY;
4927 break;
4928 case 'e':
4929 ai->config.authType = (u16)AUTH_ENCRYPT;
4930 break;
4931 default:
4932 ai->config.authType = (u16)AUTH_OPEN;
4933 break;
4934 }
4935 set_bit (FLAG_COMMIT, &ai->flags);
4936 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4937 int v, i = 0;
4938
4939 line += 16;
4940 v = get_dec_u16(line, &i, 3);
4941 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4942 ai->config.longRetryLimit = (u16)v;
4943 set_bit (FLAG_COMMIT, &ai->flags);
4944 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4945 int v, i = 0;
4946
4947 line += 17;
4948 v = get_dec_u16(line, &i, 3);
4949 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4950 ai->config.shortRetryLimit = (u16)v;
4951 set_bit (FLAG_COMMIT, &ai->flags);
4952 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4953 int v, i = 0;
4954
4955 line += 14;
4956 v = get_dec_u16(line, &i, 4);
15db2763 4957 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
1da177e4
LT		 4958 ai->config.rtsThres = (u16)v;
4959 set_bit (FLAG_COMMIT, &ai->flags);
4960 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4961 int v, i = 0;
4962
4963 line += 16;
4964 v = get_dec_u16(line, &i, 5);
4965 v = (v<0) ? 0 : v;
4966 ai->config.txLifetime = (u16)v;
4967 set_bit (FLAG_COMMIT, &ai->flags);
4968 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4969 int v, i = 0;
4970
4971 line += 16;
4972 v = get_dec_u16(line, &i, 5);
4973 v = (v<0) ? 0 : v;
4974 ai->config.rxLifetime = (u16)v;
4975 set_bit (FLAG_COMMIT, &ai->flags);
4976 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4977 ai->config.txDiversity =
4978 (line[13]=='l') ? 1 :
4979 ((line[13]=='r')? 2: 3);
4980 set_bit (FLAG_COMMIT, &ai->flags);
4981 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4982 ai->config.rxDiversity =
4983 (line[13]=='l') ? 1 :
4984 ((line[13]=='r')? 2: 3);
4985 set_bit (FLAG_COMMIT, &ai->flags);
4986 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4987 int v, i = 0;
4988
4989 line += 15;
4990 v = get_dec_u16(line, &i, 4);
15db2763 4991 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
1da177e4
LT		 4992 v = v & 0xfffe; /* Make sure its even */
4993 ai->config.fragThresh = (u16)v;
4994 set_bit (FLAG_COMMIT, &ai->flags);
4995 } else if (!strncmp(line, "Modulation: ", 12)) {
4996 line += 12;
4997 switch(*line) {
4998 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4999 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
5000 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
934d8bf1 5001 default: airo_print_warn(ai->dev->name, "Unknown modulation");
1da177e4
LT		 5002 }
5003 } else if (!strncmp(line, "Preamble: ", 10)) {
5004 line += 10;
5005 switch(*line) {
5006 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
5007 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5008 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
934d8bf1 5009 default: airo_print_warn(ai->dev->name, "Unknown preamble");
1da177e4
LT		 5010 }
5011 } else {
934d8bf1 5012 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
1da177e4
LT		 5013 }
5014 while( line[0] && line[0] != '\n' ) line++;
5015 if ( line[0] ) line++;
5016 }
5017 airo_config_commit(dev, NULL, NULL, NULL);
5018}
5019
5020static char *get_rmode(u16 mode) {
5021 switch(mode&0xff) {
5022 case RXMODE_RFMON: return "rfmon";
5023 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5024 case RXMODE_LANMON: return "lanmon";
5025 }
5026 return "ESS";
5027}
5028
5029static int proc_config_open( struct inode *inode, struct file *file ) {
5030 struct proc_data *data;
5031 struct proc_dir_entry *dp = PDE(inode);
5032 struct net_device *dev = dp->data;
5033 struct airo_info *ai = dev->priv;
5034 int i;
5035
b69a3aa8 5036 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5037 return -ENOMEM;
1da177e4
LT		 5038 data = (struct proc_data *)file->private_data;
5039 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5040 kfree (file->private_data);
5041 return -ENOMEM;
5042 }
b69a3aa8 5043 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5044 kfree (data->rbuffer);
5045 kfree (file->private_data);
5046 return -ENOMEM;
5047 }
1da177e4
LT		 5048 data->maxwritelen = 2048;
5049 data->on_close = proc_config_on_close;
5050
5051 readConfigRid(ai, 1);
5052
5053 i = sprintf( data->rbuffer,
5054 "Mode: %s\n"
5055 "Radio: %s\n"
5056 "NodeName: %-16s\n"
5057 "PowerMode: %s\n"
5058 "DataRates: %d %d %d %d %d %d %d %d\n"
5059 "Channel: %d\n"
5060 "XmitPower: %d\n",
5061 (ai->config.opmode & 0xFF) == 0 ? "adhoc" :
5062 (ai->config.opmode & 0xFF) == 1 ? get_rmode(ai->config.rmode):
5063 (ai->config.opmode & 0xFF) == 2 ? "AP" :
5064 (ai->config.opmode & 0xFF) == 3 ? "AP RPTR" : "Error",
5065 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5066 ai->config.nodeName,
5067 ai->config.powerSaveMode == 0 ? "CAM" :
5068 ai->config.powerSaveMode == 1 ? "PSP" :
5069 ai->config.powerSaveMode == 2 ? "PSPCAM" : "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 (int)ai->config.channelSet,
5079 (int)ai->config.txPower
5080 );
5081 sprintf( data->rbuffer + i,
5082 "LongRetryLimit: %d\n"
5083 "ShortRetryLimit: %d\n"
5084 "RTSThreshold: %d\n"
5085 "TXMSDULifetime: %d\n"
5086 "RXMSDULifetime: %d\n"
5087 "TXDiversity: %s\n"
5088 "RXDiversity: %s\n"
5089 "FragThreshold: %d\n"
5090 "WEP: %s\n"
5091 "Modulation: %s\n"
5092 "Preamble: %s\n",
5093 (int)ai->config.longRetryLimit,
5094 (int)ai->config.shortRetryLimit,
5095 (int)ai->config.rtsThres,
5096 (int)ai->config.txLifetime,
5097 (int)ai->config.rxLifetime,
5098 ai->config.txDiversity == 1 ? "left" :
5099 ai->config.txDiversity == 2 ? "right" : "both",
5100 ai->config.rxDiversity == 1 ? "left" :
5101 ai->config.rxDiversity == 2 ? "right" : "both",
5102 (int)ai->config.fragThresh,
5103 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5104 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5105 ai->config.modulation == 0 ? "default" :
5106 ai->config.modulation == MOD_CCK ? "cck" :
5107 ai->config.modulation == MOD_MOK ? "mok" : "error",
5108 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5109 ai->config.preamble == PREAMBLE_LONG ? "long" :
5110 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5111 );
5112 data->readlen = strlen( data->rbuffer );
5113 return 0;
5114}
5115
0dd2212f
AV		 5116static void proc_SSID_on_close(struct inode *inode, struct file *file)
5117{
1da177e4
LT		 5118 struct proc_data *data = (struct proc_data *)file->private_data;
5119 struct proc_dir_entry *dp = PDE(inode);
5120 struct net_device *dev = dp->data;
5121 struct airo_info *ai = dev->priv;
5122 SsidRid SSID_rid;
1da177e4 5123 int i;
0dd2212f
AV		 5124 char *p = data->wbuffer;
5125 char *end = p + data->writelen;
1da177e4 5126
0dd2212f
AV		 5127 if (!data->writelen)
5128 return;
1da177e4 5129
0dd2212f 5130 *end = '\n'; /* sentinel; we have space for it */
1da177e4 5131
0dd2212f
AV		 5132 memset(&SSID_rid, 0, sizeof(SSID_rid));
5133
5134 for (i = 0; i < 3 && p < end; i++) {
5135 int j = 0;
5136 /* copy up to 32 characters from this line */
5137 while (*p != '\n' && j < 32)
5138 SSID_rid.ssids[i].ssid[j++] = *p++;
5139 if (j == 0)
5140 break;
5141 SSID_rid.ssids[i].len = cpu_to_le16(j);
5142 /* skip to the beginning of the next line */
5143 while (*p++ != '\n')
5144 ;
1da177e4
LT		 5145 }
5146 if (i)
0dd2212f 5147 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
1da177e4
LT		 5148 disable_MAC(ai, 1);
5149 writeSsidRid(ai, &SSID_rid, 1);
175ec1a1 5150 enable_MAC(ai, 1);
1da177e4
LT		 5151}
5152
77933d72 5153static inline u8 hexVal(char c) {
1da177e4
LT		 5154 if (c>='0' && c<='9') return c -= '0';
5155 if (c>='a' && c<='f') return c -= 'a'-10;
5156 if (c>='A' && c<='F') return c -= 'A'-10;
5157 return 0;
5158}
5159
5160static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5161 struct proc_data *data = (struct proc_data *)file->private_data;
5162 struct proc_dir_entry *dp = PDE(inode);
5163 struct net_device *dev = dp->data;
5164 struct airo_info *ai = dev->priv;
5165 APListRid APList_rid;
1da177e4
LT		 5166 int i;
5167
5168 if ( !data->writelen ) return;
5169
5170 memset( &APList_rid, 0, sizeof(APList_rid) );
5171 APList_rid.len = sizeof(APList_rid);
5172
5173 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5174 int j;
5175 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5176 switch(j%3) {
5177 case 0:
5178 APList_rid.ap[i][j/3]=
5179 hexVal(data->wbuffer[j+i*6*3])<<4;
5180 break;
5181 case 1:
5182 APList_rid.ap[i][j/3]|=
5183 hexVal(data->wbuffer[j+i*6*3]);
5184 break;
5185 }
5186 }
5187 }
5188 disable_MAC(ai, 1);
5189 writeAPListRid(ai, &APList_rid, 1);
175ec1a1 5190 enable_MAC(ai, 1);
1da177e4
LT		 5191}
5192
5193/* This function wraps PC4500_writerid with a MAC disable */
5194static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5195 int len, int dummy ) {
5196 int rc;
1da177e4
LT		 5197
5198 disable_MAC(ai, 1);
5199 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
175ec1a1 5200 enable_MAC(ai, 1);
1da177e4
LT		 5201 return rc;
5202}
5203
5204/* Returns the length of the key at the index. If index == 0xffff
5205 * the index of the transmit key is returned. If the key doesn't exist,
5206 * -1 will be returned.
5207 */
5208static int get_wep_key(struct airo_info *ai, u16 index) {
5209 WepKeyRid wkr;
5210 int rc;
5211 u16 lastindex;
5212
5213 rc = readWepKeyRid(ai, &wkr, 1, 1);
5214 if (rc == SUCCESS) do {
5215 lastindex = wkr.kindex;
5216 if (wkr.kindex == index) {
5217 if (index == 0xffff) {
5218 return wkr.mac[0];
5219 }
5220 return wkr.klen;
5221 }
5222 readWepKeyRid(ai, &wkr, 0, 1);
5223 } while(lastindex != wkr.kindex);
5224 return -1;
5225}
5226
5227static int set_wep_key(struct airo_info *ai, u16 index,
5228 const char *key, u16 keylen, int perm, int lock ) {
5229 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5230 WepKeyRid wkr;
1da177e4
LT		 5231
5232 memset(&wkr, 0, sizeof(wkr));
5233 if (keylen == 0) {
5234// We are selecting which key to use
5235 wkr.len = sizeof(wkr);
5236 wkr.kindex = 0xffff;
5237 wkr.mac[0] = (char)index;
1da177e4
LT		 5238 if (perm) ai->defindex = (char)index;
5239 } else {
5240// We are actually setting the key
5241 wkr.len = sizeof(wkr);
5242 wkr.kindex = index;
5243 wkr.klen = keylen;
5244 memcpy( wkr.key, key, keylen );
5245 memcpy( wkr.mac, macaddr, ETH_ALEN );
1da177e4
LT		 5246 }
5247
f89b2321 5248 if (perm) disable_MAC(ai, lock);
1da177e4 5249 writeWepKeyRid(ai, &wkr, perm, lock);
175ec1a1 5250 if (perm) enable_MAC(ai, lock);
1da177e4
LT		 5251 return 0;
5252}
5253
5254static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5255 struct proc_data *data;
5256 struct proc_dir_entry *dp = PDE(inode);
5257 struct net_device *dev = dp->data;
5258 struct airo_info *ai = dev->priv;
5259 int i;
5260 char key[16];
5261 u16 index = 0;
5262 int j = 0;
5263
5264 memset(key, 0, sizeof(key));
5265
5266 data = (struct proc_data *)file->private_data;
5267 if ( !data->writelen ) return;
5268
5269 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5270 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5271 index = data->wbuffer[0] - '0';
5272 if (data->wbuffer[1] == '\n') {
5273 set_wep_key(ai, index, NULL, 0, 1, 1);
5274 return;
5275 }
5276 j = 2;
5277 } else {
934d8bf1 5278 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
1da177e4
LT		 5279 return;
5280 }
5281
5282 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5283 switch(i%3) {
5284 case 0:
5285 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5286 break;
5287 case 1:
5288 key[i/3] |= hexVal(data->wbuffer[i+j]);
5289 break;
5290 }
5291 }
5292 set_wep_key(ai, index, key, i/3, 1, 1);
5293}
5294
5295static int proc_wepkey_open( struct inode *inode, struct file *file ) {
5296 struct proc_data *data;
5297 struct proc_dir_entry *dp = PDE(inode);
5298 struct net_device *dev = dp->data;
5299 struct airo_info *ai = dev->priv;
5300 char *ptr;
5301 WepKeyRid wkr;
5302 u16 lastindex;
5303 int j=0;
5304 int rc;
5305
b69a3aa8 5306 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5307 return -ENOMEM;
1da177e4
LT		 5308 memset(&wkr, 0, sizeof(wkr));
5309 data = (struct proc_data *)file->private_data;
b69a3aa8 5310 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5311 kfree (file->private_data);
5312 return -ENOMEM;
5313 }
1da177e4
LT		 5314 data->writelen = 0;
5315 data->maxwritelen = 80;
b69a3aa8 5316 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5317 kfree (data->rbuffer);
5318 kfree (file->private_data);
5319 return -ENOMEM;
5320 }
1da177e4
LT		 5321 data->on_close = proc_wepkey_on_close;
5322
5323 ptr = data->rbuffer;
5324 strcpy(ptr, "No wep keys\n");
5325 rc = readWepKeyRid(ai, &wkr, 1, 1);
5326 if (rc == SUCCESS) do {
5327 lastindex = wkr.kindex;
5328 if (wkr.kindex == 0xffff) {
5329 j += sprintf(ptr+j, "Tx key = %d\n",
5330 (int)wkr.mac[0]);
5331 } else {
5332 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5333 (int)wkr.kindex, (int)wkr.klen);
5334 }
5335 readWepKeyRid(ai, &wkr, 0, 1);
5336 } while((lastindex != wkr.kindex) && (j < 180-30));
5337
5338 data->readlen = strlen( data->rbuffer );
5339 return 0;
5340}
5341
0dd2212f
AV		 5342static int proc_SSID_open(struct inode *inode, struct file *file)
5343{
1da177e4
LT		 5344 struct proc_data *data;
5345 struct proc_dir_entry *dp = PDE(inode);
5346 struct net_device *dev = dp->data;
5347 struct airo_info *ai = dev->priv;
5348 int i;
5349 char *ptr;
5350 SsidRid SSID_rid;
5351
b69a3aa8 5352 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5353 return -ENOMEM;
1da177e4
LT		 5354 data = (struct proc_data *)file->private_data;
5355 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5356 kfree (file->private_data);
5357 return -ENOMEM;
5358 }
5359 data->writelen = 0;
5360 data->maxwritelen = 33*3;
0dd2212f
AV		 5361 /* allocate maxwritelen + 1; we'll want a sentinel */
5362 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
1da177e4
LT		 5363 kfree (data->rbuffer);
5364 kfree (file->private_data);
5365 return -ENOMEM;
5366 }
1da177e4
LT		 5367 data->on_close = proc_SSID_on_close;
5368
5369 readSsidRid(ai, &SSID_rid);
5370 ptr = data->rbuffer;
0dd2212f 5371 for (i = 0; i < 3; i++) {
1da177e4 5372 int j;
0dd2212f
AV		 5373 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5374 if (!len)
5375 break;
5376 if (len > 32)
5377 len = 32;
5378 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
1da177e4 5379 *ptr++ = SSID_rid.ssids[i].ssid[j];
1da177e4
LT		 5380 *ptr++ = '\n';
5381 }
5382 *ptr = '\0';
5383 data->readlen = strlen( data->rbuffer );
5384 return 0;
5385}
5386
5387static int proc_APList_open( struct inode *inode, struct file *file ) {
5388 struct proc_data *data;
5389 struct proc_dir_entry *dp = PDE(inode);
5390 struct net_device *dev = dp->data;
5391 struct airo_info *ai = dev->priv;
5392 int i;
5393 char *ptr;
5394 APListRid APList_rid;
0795af57 5395 DECLARE_MAC_BUF(mac);
1da177e4 5396
b69a3aa8 5397 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5398 return -ENOMEM;
1da177e4
LT		 5399 data = (struct proc_data *)file->private_data;
5400 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5401 kfree (file->private_data);
5402 return -ENOMEM;
5403 }
5404 data->writelen = 0;
5405 data->maxwritelen = 4*6*3;
b69a3aa8 5406 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5407 kfree (data->rbuffer);
5408 kfree (file->private_data);
5409 return -ENOMEM;
5410 }
1da177e4
LT		 5411 data->on_close = proc_APList_on_close;
5412
5413 readAPListRid(ai, &APList_rid);
5414 ptr = data->rbuffer;
5415 for( i = 0; i < 4; i++ ) {
5416// We end when we find a zero MAC
5417 if ( !*(int*)APList_rid.ap[i] &&
5418 !*(int*)&APList_rid.ap[i][2]) break;
0795af57
JP		 5419 ptr += sprintf(ptr, "%s\n",
5420 print_mac(mac, APList_rid.ap[i]));
1da177e4
LT		 5421 }
5422 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5423
5424 *ptr = '\0';
5425 data->readlen = strlen( data->rbuffer );
5426 return 0;
5427}
5428
5429static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5430 struct proc_data *data;
5431 struct proc_dir_entry *dp = PDE(inode);
5432 struct net_device *dev = dp->data;
5433 struct airo_info *ai = dev->priv;
5434 char *ptr;
5435 BSSListRid BSSList_rid;
5436 int rc;
5437 /* If doLoseSync is not 1, we won't do a Lose Sync */
5438 int doLoseSync = -1;
0795af57 5439 DECLARE_MAC_BUF(mac);
1da177e4 5440
b69a3aa8 5441 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5442 return -ENOMEM;
1da177e4
LT		 5443 data = (struct proc_data *)file->private_data;
5444 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5445 kfree (file->private_data);
5446 return -ENOMEM;
5447 }
5448 data->writelen = 0;
5449 data->maxwritelen = 0;
5450 data->wbuffer = NULL;
5451 data->on_close = NULL;
5452
5453 if (file->f_mode & FMODE_WRITE) {
5454 if (!(file->f_mode & FMODE_READ)) {
5455 Cmd cmd;
5456 Resp rsp;
5457
5458 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5459 memset(&cmd, 0, sizeof(cmd));
5460 cmd.cmd=CMD_LISTBSS;
5461 if (down_interruptible(&ai->sem))
5462 return -ERESTARTSYS;
5463 issuecommand(ai, &cmd, &rsp);
5464 up(&ai->sem);
5465 data->readlen = 0;
5466 return 0;
5467 }
5468 doLoseSync = 1;
5469 }
5470 ptr = data->rbuffer;
5471 /* There is a race condition here if there are concurrent opens.
5472 Since it is a rare condition, we'll just live with it, otherwise
5473 we have to add a spin lock... */
5474 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5475 while(rc == 0 && BSSList_rid.index != 0xffff) {
0795af57
JP		 5476 ptr += sprintf(ptr, "%s %*s rssi = %d",
5477 print_mac(mac, BSSList_rid.bssid),
1da177e4
LT		 5478 (int)BSSList_rid.ssidLen,
5479 BSSList_rid.ssid,
41480af2 5480 (int)BSSList_rid.dBm);
1da177e4
LT		 5481 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5482 (int)BSSList_rid.dsChannel,
5483 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5484 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5485 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5486 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5487 rc = readBSSListRid(ai, 0, &BSSList_rid);
5488 }
5489 *ptr = '\0';
5490 data->readlen = strlen( data->rbuffer );
5491 return 0;
5492}
5493
5494static int proc_close( struct inode *inode, struct file *file )
5495{
b4558ea9
JJ		 5496 struct proc_data *data = file->private_data;
5497
5498 if (data->on_close != NULL)
5499 data->on_close(inode, file);
5500 kfree(data->rbuffer);
5501 kfree(data->wbuffer);
5502 kfree(data);
1da177e4
LT		 5503 return 0;
5504}
5505
1da177e4
LT		 5506/* Since the card doesn't automatically switch to the right WEP mode,
5507 we will make it do it. If the card isn't associated, every secs we
5508 will switch WEP modes to see if that will help. If the card is
5509 associated we will check every minute to see if anything has
5510 changed. */
5511static void timer_func( struct net_device *dev ) {
5512 struct airo_info *apriv = dev->priv;
1da177e4
LT		 5513
5514/* We don't have a link so try changing the authtype */
5515 readConfigRid(apriv, 0);
5516 disable_MAC(apriv, 0);
5517 switch(apriv->config.authType) {
5518 case AUTH_ENCRYPT:
5519/* So drop to OPEN */
5520 apriv->config.authType = AUTH_OPEN;
5521 break;
5522 case AUTH_SHAREDKEY:
5523 if (apriv->keyindex < auto_wep) {
5524 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5525 apriv->config.authType = AUTH_SHAREDKEY;
5526 apriv->keyindex++;
5527 } else {
5528 /* Drop to ENCRYPT */
5529 apriv->keyindex = 0;
5530 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5531 apriv->config.authType = AUTH_ENCRYPT;
5532 }
5533 break;
5534 default: /* We'll escalate to SHAREDKEY */
5535 apriv->config.authType = AUTH_SHAREDKEY;
5536 }
5537 set_bit (FLAG_COMMIT, &apriv->flags);
5538 writeConfigRid(apriv, 0);
175ec1a1 5539 enable_MAC(apriv, 0);
1da177e4
LT		 5540 up(&apriv->sem);
5541
5542/* Schedule check to see if the change worked */
3c304956 5543 clear_bit(JOB_AUTOWEP, &apriv->jobs);
1da177e4
LT		 5544 apriv->expires = RUN_AT(HZ*3);
5545}
5546
1da177e4
LT		 5547#ifdef CONFIG_PCI
5548static int __devinit airo_pci_probe(struct pci_dev *pdev,
5549 const struct pci_device_id *pent)
5550{
5551 struct net_device *dev;
5552
5553 if (pci_enable_device(pdev))
5554 return -ENODEV;
5555 pci_set_master(pdev);
5556
5557 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5558 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5559 else
5560 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
777ec5e9
MS		 5561 if (!dev) {
5562 pci_disable_device(pdev);
1da177e4 5563 return -ENODEV;
777ec5e9 5564 }
1da177e4
LT		 5565
5566 pci_set_drvdata(pdev, dev);
5567 return 0;
5568}
5569
5570static void __devexit airo_pci_remove(struct pci_dev *pdev)
5571{
af5b5c9a
MS		 5572 struct net_device *dev = pci_get_drvdata(pdev);
5573
5574 airo_print_info(dev->name, "Unregistering...");
5575 stop_airo_card(dev, 1);
777ec5e9
MS		 5576 pci_disable_device(pdev);
5577 pci_set_drvdata(pdev, NULL);
1da177e4
LT		 5578}
5579
05adc3b7 5580static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
1da177e4
LT		 5581{
5582 struct net_device *dev = pci_get_drvdata(pdev);
5583 struct airo_info *ai = dev->priv;
5584 Cmd cmd;
5585 Resp rsp;
5586
5587 if ((ai->APList == NULL) &&
5588 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5589 return -ENOMEM;
5590 if ((ai->SSID == NULL) &&
5591 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5592 return -ENOMEM;
5593 readAPListRid(ai, ai->APList);
5594 readSsidRid(ai, ai->SSID);
5595 memset(&cmd, 0, sizeof(cmd));
5596 /* the lock will be released at the end of the resume callback */
5597 if (down_interruptible(&ai->sem))
5598 return -EAGAIN;
5599 disable_MAC(ai, 0);
5600 netif_device_detach(dev);
5601 ai->power = state;
5602 cmd.cmd=HOSTSLEEP;
5603 issuecommand(ai, &cmd, &rsp);
5604
1cc68ae0 5605 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
1da177e4 5606 pci_save_state(pdev);
1cc68ae0 5607 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
1da177e4
LT		 5608}
5609
5610static int airo_pci_resume(struct pci_dev *pdev)
5611{
5612 struct net_device *dev = pci_get_drvdata(pdev);
5613 struct airo_info *ai = dev->priv;
53232803 5614 pci_power_t prev_state = pdev->current_state;
1da177e4 5615
53232803 5616 pci_set_power_state(pdev, PCI_D0);
1da177e4 5617 pci_restore_state(pdev);
53232803 5618 pci_enable_wake(pdev, PCI_D0, 0);
1da177e4 5619
53232803 5620 if (prev_state != PCI_D1) {
1da177e4
LT		 5621 reset_card(dev, 0);
5622 mpi_init_descriptors(ai);
5623 setup_card(ai, dev->dev_addr, 0);
5624 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5625 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5626 } else {
5627 OUT4500(ai, EVACK, EV_AWAKEN);
5628 OUT4500(ai, EVACK, EV_AWAKEN);
5629 msleep(100);
5630 }
5631
5632 set_bit (FLAG_COMMIT, &ai->flags);
5633 disable_MAC(ai, 0);
5634 msleep(200);
5635 if (ai->SSID) {
5636 writeSsidRid(ai, ai->SSID, 0);
5637 kfree(ai->SSID);
5638 ai->SSID = NULL;
5639 }
5640 if (ai->APList) {
5641 writeAPListRid(ai, ai->APList, 0);
5642 kfree(ai->APList);
5643 ai->APList = NULL;
5644 }
5645 writeConfigRid(ai, 0);
175ec1a1 5646 enable_MAC(ai, 0);
1cc68ae0 5647 ai->power = PMSG_ON;
1da177e4
LT		 5648 netif_device_attach(dev);
5649 netif_wake_queue(dev);
5650 enable_interrupts(ai);
5651 up(&ai->sem);
5652 return 0;
5653}
5654#endif
5655
5656static int __init airo_init_module( void )
5657{
de897881
JG		 5658 int i;
5659#if 0
5660 int have_isa_dev = 0;
5661#endif
1da177e4
LT		 5662
5663 airo_entry = create_proc_entry("aironet",
5664 S_IFDIR | airo_perm,
5665 proc_root_driver);
de897881
JG		 5666
5667 if (airo_entry) {
5668 airo_entry->uid = proc_uid;
5669 airo_entry->gid = proc_gid;
5670 }
1da177e4
LT		 5671
5672 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
934d8bf1
DW		 5673 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5674 "io=0x%x", irq[i], io[i] );
1da177e4 5675 if (init_airo_card( irq[i], io[i], 0, NULL ))
de897881 5676#if 0
1da177e4 5677 have_isa_dev = 1;
de897881
JG		 5678#else
5679 /* do nothing */ ;
5680#endif
1da177e4
LT		 5681 }
5682
5683#ifdef CONFIG_PCI
934d8bf1 5684 airo_print_info("", "Probing for PCI adapters");
de897881 5685 i = pci_register_driver(&airo_driver);
934d8bf1 5686 airo_print_info("", "Finished probing for PCI adapters");
de897881
JG		 5687
5688 if (i) {
5689 remove_proc_entry("aironet", proc_root_driver);
5690 return i;
5691 }
1da177e4
LT		 5692#endif
5693
5694 /* Always exit with success, as we are a library module
5695 * as well as a driver module
5696 */
5697 return 0;
5698}
5699
5700static void __exit airo_cleanup_module( void )
5701{
af5b5c9a
MS		 5702 struct airo_info *ai;
5703 while(!list_empty(&airo_devices)) {
5704 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5705 airo_print_info(ai->dev->name, "Unregistering...");
5706 stop_airo_card(ai->dev, 1);
1da177e4
LT		 5707 }
5708#ifdef CONFIG_PCI
5709 pci_unregister_driver(&airo_driver);
5710#endif
5711 remove_proc_entry("aironet", proc_root_driver);
5712}
5713
1da177e4
LT		 5714/*
5715 * Initial Wireless Extension code for Aironet driver by :
5716 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5717 * Conversion to new driver API by :
5718 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5719 * Javier also did a good amount of work here, adding some new extensions
5720 * and fixing my code. Let's just say that without him this code just
5721 * would not work at all... - Jean II
5722 */
5723
41480af2
DW		 5724static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5725{
5726 if( !rssi_rid )
5727 return 0;
5728
5729 return (0x100 - rssi_rid[rssi].rssidBm);
5730}
5731
5732static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5733{
5734 int i;
5735
5736 if( !rssi_rid )
5737 return 0;
5738
5739 for( i = 0; i < 256; i++ )
5740 if (rssi_rid[i].rssidBm == dbm)
5741 return rssi_rid[i].rssipct;
5742
5743 return 0;
5744}
5745
5746
1da177e4
LT		 5747static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5748{
5749 int quality = 0;
5750
5751 if ((status_rid->mode & 0x3f) == 0x3f && (cap_rid->hardCap & 8)) {
5752 if (memcmp(cap_rid->prodName, "350", 3))
5753 if (status_rid->signalQuality > 0x20)
5754 quality = 0;
5755 else
5756 quality = 0x20 - status_rid->signalQuality;
5757 else
5758 if (status_rid->signalQuality > 0xb0)
5759 quality = 0;
5760 else if (status_rid->signalQuality < 0x10)
5761 quality = 0xa0;
5762 else
5763 quality = 0xb0 - status_rid->signalQuality;
5764 }
5765 return quality;
5766}
5767
5768#define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5769#define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5770
5771/*------------------------------------------------------------------*/
5772/*
5773 * Wireless Handler : get protocol name
5774 */
5775static int airo_get_name(struct net_device *dev,
5776 struct iw_request_info *info,
5777 char *cwrq,
5778 char *extra)
5779{
5780 strcpy(cwrq, "IEEE 802.11-DS");
5781 return 0;
5782}
5783
5784/*------------------------------------------------------------------*/
5785/*
5786 * Wireless Handler : set frequency
5787 */
5788static int airo_set_freq(struct net_device *dev,
5789 struct iw_request_info *info,
5790 struct iw_freq *fwrq,
5791 char *extra)
5792{
5793 struct airo_info *local = dev->priv;
5794 int rc = -EINPROGRESS; /* Call commit handler */
5795
5796 /* If setting by frequency, convert to a channel */
5797 if((fwrq->e == 1) &&
5798 (fwrq->m >= (int) 2.412e8) &&
5799 (fwrq->m <= (int) 2.487e8)) {
5800 int f = fwrq->m / 100000;
5801 int c = 0;
5802 while((c < 14) && (f != frequency_list[c]))
5803 c++;
5804 /* Hack to fall through... */
5805 fwrq->e = 0;
5806 fwrq->m = c + 1;
5807 }
5808 /* Setting by channel number */
5809 if((fwrq->m > 1000) || (fwrq->e > 0))
5810 rc = -EOPNOTSUPP;
5811 else {
5812 int channel = fwrq->m;
5813 /* We should do a better check than that,
5814 * based on the card capability !!! */
2610c733 5815 if((channel < 1) || (channel > 14)) {
934d8bf1
DW		 5816 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5817 fwrq->m);
1da177e4
LT		 5818 rc = -EINVAL;
5819 } else {
5820 readConfigRid(local, 1);
5821 /* Yes ! We can set it !!! */
2610c733 5822 local->config.channelSet = (u16) channel;
1da177e4
LT		 5823 set_bit (FLAG_COMMIT, &local->flags);
5824 }
5825 }
5826 return rc;
5827}
5828
5829/*------------------------------------------------------------------*/
5830/*
5831 * Wireless Handler : get frequency
5832 */
5833static int airo_get_freq(struct net_device *dev,
5834 struct iw_request_info *info,
5835 struct iw_freq *fwrq,
5836 char *extra)
5837{
5838 struct airo_info *local = dev->priv;
5839 StatusRid status_rid; /* Card status info */
2610c733 5840 int ch;
1da177e4
LT		 5841
5842 readConfigRid(local, 1);
5843 if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
5844 status_rid.channel = local->config.channelSet;
5845 else
5846 readStatusRid(local, &status_rid, 1);
5847
2610c733
JA		 5848 ch = (int)status_rid.channel;
5849 if((ch > 0) && (ch < 15)) {
5850 fwrq->m = frequency_list[ch - 1] * 100000;
1da177e4 5851 fwrq->e = 1;
2610c733
JA		 5852 } else {
5853 fwrq->m = ch;
5854 fwrq->e = 0;
1da177e4 5855 }
1da177e4
LT		 5856
5857 return 0;
5858}
5859
5860/*------------------------------------------------------------------*/
5861/*
5862 * Wireless Handler : set ESSID
5863 */
5864static int airo_set_essid(struct net_device *dev,
5865 struct iw_request_info *info,
5866 struct iw_point *dwrq,
5867 char *extra)
5868{
5869 struct airo_info *local = dev->priv;
1da177e4
LT		 5870 SsidRid SSID_rid; /* SSIDs */
5871
5872 /* Reload the list of current SSID */
5873 readSsidRid(local, &SSID_rid);
5874
5875 /* Check if we asked for `any' */
5876 if(dwrq->flags == 0) {
5877 /* Just send an empty SSID list */
5878 memset(&SSID_rid, 0, sizeof(SSID_rid));
5879 } else {
5880 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5881
5882 /* Check the size of the string */
7f8544cc 5883 if(dwrq->length > IW_ESSID_MAX_SIZE) {
1da177e4
LT		 5884 return -E2BIG ;
5885 }
5886 /* Check if index is valid */
5887 if((index < 0) || (index >= 4)) {
5888 return -EINVAL;
5889 }
5890
5891 /* Set the SSID */
5892 memset(SSID_rid.ssids[index].ssid, 0,
5893 sizeof(SSID_rid.ssids[index].ssid));
5894 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
0dd2212f 5895 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
1da177e4 5896 }
0dd2212f 5897 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
1da177e4
LT		 5898 /* Write it to the card */
5899 disable_MAC(local, 1);
5900 writeSsidRid(local, &SSID_rid, 1);
175ec1a1 5901 enable_MAC(local, 1);
1da177e4
LT		 5902
5903 return 0;
5904}
5905
5906/*------------------------------------------------------------------*/
5907/*
5908 * Wireless Handler : get ESSID
5909 */
5910static int airo_get_essid(struct net_device *dev,
5911 struct iw_request_info *info,
5912 struct iw_point *dwrq,
5913 char *extra)
5914{
5915 struct airo_info *local = dev->priv;
5916 StatusRid status_rid; /* Card status info */
5917
5918 readStatusRid(local, &status_rid, 1);
5919
5920 /* Note : if dwrq->flags != 0, we should
5921 * get the relevant SSID from the SSID list... */
5922
5923 /* Get the current SSID */
5924 memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
1da177e4
LT		 5925 /* If none, we may want to get the one that was set */
5926
5927 /* Push it out ! */
d6a13a24 5928 dwrq->length = status_rid.SSIDlen;
1da177e4
LT		 5929 dwrq->flags = 1; /* active */
5930
5931 return 0;
5932}
5933
5934/*------------------------------------------------------------------*/
5935/*
5936 * Wireless Handler : set AP address
5937 */
5938static int airo_set_wap(struct net_device *dev,
5939 struct iw_request_info *info,
5940 struct sockaddr *awrq,
5941 char *extra)
5942{
5943 struct airo_info *local = dev->priv;
5944 Cmd cmd;
5945 Resp rsp;
5946 APListRid APList_rid;
4be757dd
DW		 5947 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5948 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
1da177e4
LT		 5949
5950 if (awrq->sa_family != ARPHRD_ETHER)
5951 return -EINVAL;
4be757dd
DW		 5952 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5953 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
1da177e4
LT		 5954 memset(&cmd, 0, sizeof(cmd));
5955 cmd.cmd=CMD_LOSE_SYNC;
5956 if (down_interruptible(&local->sem))
5957 return -ERESTARTSYS;
5958 issuecommand(local, &cmd, &rsp);
5959 up(&local->sem);
5960 } else {
5961 memset(&APList_rid, 0, sizeof(APList_rid));
5962 APList_rid.len = sizeof(APList_rid);
5963 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5964 disable_MAC(local, 1);
5965 writeAPListRid(local, &APList_rid, 1);
175ec1a1 5966 enable_MAC(local, 1);
1da177e4
LT		 5967 }
5968 return 0;
5969}
5970
5971/*------------------------------------------------------------------*/
5972/*
5973 * Wireless Handler : get AP address
5974 */
5975static int airo_get_wap(struct net_device *dev,
5976 struct iw_request_info *info,
5977 struct sockaddr *awrq,
5978 char *extra)
5979{
5980 struct airo_info *local = dev->priv;
5981 StatusRid status_rid; /* Card status info */
5982
5983 readStatusRid(local, &status_rid, 1);
5984
5985 /* Tentative. This seems to work, wow, I'm lucky !!! */
5986 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5987 awrq->sa_family = ARPHRD_ETHER;
5988
5989 return 0;
5990}
5991
5992/*------------------------------------------------------------------*/
5993/*
5994 * Wireless Handler : set Nickname
5995 */
5996static int airo_set_nick(struct net_device *dev,
5997 struct iw_request_info *info,
5998 struct iw_point *dwrq,
5999 char *extra)
6000{
6001 struct airo_info *local = dev->priv;
6002
6003 /* Check the size of the string */
7f8544cc 6004 if(dwrq->length > 16) {
1da177e4
LT		 6005 return -E2BIG;
6006 }
6007 readConfigRid(local, 1);
6008 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6009 memcpy(local->config.nodeName, extra, dwrq->length);
6010 set_bit (FLAG_COMMIT, &local->flags);
6011
6012 return -EINPROGRESS; /* Call commit handler */
6013}
6014
6015/*------------------------------------------------------------------*/
6016/*
6017 * Wireless Handler : get Nickname
6018 */
6019static int airo_get_nick(struct net_device *dev,
6020 struct iw_request_info *info,
6021 struct iw_point *dwrq,
6022 char *extra)
6023{
6024 struct airo_info *local = dev->priv;
6025
6026 readConfigRid(local, 1);
6027 strncpy(extra, local->config.nodeName, 16);
6028 extra[16] = '\0';
7f8544cc 6029 dwrq->length = strlen(extra);
1da177e4
LT		 6030
6031 return 0;
6032}
6033
6034/*------------------------------------------------------------------*/
6035/*
6036 * Wireless Handler : set Bit-Rate
6037 */
6038static int airo_set_rate(struct net_device *dev,
6039 struct iw_request_info *info,
6040 struct iw_param *vwrq,
6041 char *extra)
6042{
6043 struct airo_info *local = dev->priv;
6044 CapabilityRid cap_rid; /* Card capability info */
6045 u8 brate = 0;
6046 int i;
6047
6048 /* First : get a valid bit rate value */
6049 readCapabilityRid(local, &cap_rid, 1);
6050
6051 /* Which type of value ? */
6052 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6053 /* Setting by rate index */
6054 /* Find value in the magic rate table */
6055 brate = cap_rid.supportedRates[vwrq->value];
6056 } else {
6057 /* Setting by frequency value */
6058 u8 normvalue = (u8) (vwrq->value/500000);
6059
6060 /* Check if rate is valid */
6061 for(i = 0 ; i < 8 ; i++) {
6062 if(normvalue == cap_rid.supportedRates[i]) {
6063 brate = normvalue;
6064 break;
6065 }
6066 }
6067 }
6068 /* -1 designed the max rate (mostly auto mode) */
6069 if(vwrq->value == -1) {
6070 /* Get the highest available rate */
6071 for(i = 0 ; i < 8 ; i++) {
6072 if(cap_rid.supportedRates[i] == 0)
6073 break;
6074 }
6075 if(i != 0)
6076 brate = cap_rid.supportedRates[i - 1];
6077 }
6078 /* Check that it is valid */
6079 if(brate == 0) {
6080 return -EINVAL;
6081 }
6082
6083 readConfigRid(local, 1);
6084 /* Now, check if we want a fixed or auto value */
6085 if(vwrq->fixed == 0) {
6086 /* Fill all the rates up to this max rate */
6087 memset(local->config.rates, 0, 8);
6088 for(i = 0 ; i < 8 ; i++) {
6089 local->config.rates[i] = cap_rid.supportedRates[i];
6090 if(local->config.rates[i] == brate)
6091 break;
6092 }
6093 } else {
6094 /* Fixed mode */
6095 /* One rate, fixed */
6096 memset(local->config.rates, 0, 8);
6097 local->config.rates[0] = brate;
6098 }
6099 set_bit (FLAG_COMMIT, &local->flags);
6100
6101 return -EINPROGRESS; /* Call commit handler */
6102}
6103
6104/*------------------------------------------------------------------*/
6105/*
6106 * Wireless Handler : get Bit-Rate
6107 */
6108static int airo_get_rate(struct net_device *dev,
6109 struct iw_request_info *info,
6110 struct iw_param *vwrq,
6111 char *extra)
6112{
6113 struct airo_info *local = dev->priv;
6114 StatusRid status_rid; /* Card status info */
6115
6116 readStatusRid(local, &status_rid, 1);
6117
6118 vwrq->value = status_rid.currentXmitRate * 500000;
6119 /* If more than one rate, set auto */
6120 readConfigRid(local, 1);
6121 vwrq->fixed = (local->config.rates[1] == 0);
6122
6123 return 0;
6124}
6125
6126/*------------------------------------------------------------------*/
6127/*
6128 * Wireless Handler : set RTS threshold
6129 */
6130static int airo_set_rts(struct net_device *dev,
6131 struct iw_request_info *info,
6132 struct iw_param *vwrq,
6133 char *extra)
6134{
6135 struct airo_info *local = dev->priv;
6136 int rthr = vwrq->value;
6137
6138 if(vwrq->disabled)
15db2763
DW		 6139 rthr = AIRO_DEF_MTU;
6140 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
1da177e4
LT		 6141 return -EINVAL;
6142 }
6143 readConfigRid(local, 1);
6144 local->config.rtsThres = rthr;
6145 set_bit (FLAG_COMMIT, &local->flags);
6146
6147 return -EINPROGRESS; /* Call commit handler */
6148}
6149
6150/*------------------------------------------------------------------*/
6151/*
6152 * Wireless Handler : get RTS threshold
6153 */
6154static int airo_get_rts(struct net_device *dev,
6155 struct iw_request_info *info,
6156 struct iw_param *vwrq,
6157 char *extra)
6158{
6159 struct airo_info *local = dev->priv;
6160
6161 readConfigRid(local, 1);
6162 vwrq->value = local->config.rtsThres;
15db2763 6163 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
1da177e4
LT		 6164 vwrq->fixed = 1;
6165
6166 return 0;
6167}
6168
6169/*------------------------------------------------------------------*/
6170/*
6171 * Wireless Handler : set Fragmentation threshold
6172 */
6173static int airo_set_frag(struct net_device *dev,
6174 struct iw_request_info *info,
6175 struct iw_param *vwrq,
6176 char *extra)
6177{
6178 struct airo_info *local = dev->priv;
6179 int fthr = vwrq->value;
6180
6181 if(vwrq->disabled)
15db2763
DW		 6182 fthr = AIRO_DEF_MTU;
6183 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
1da177e4
LT		 6184 return -EINVAL;
6185 }
6186 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6187 readConfigRid(local, 1);
6188 local->config.fragThresh = (u16)fthr;
6189 set_bit (FLAG_COMMIT, &local->flags);
6190
6191 return -EINPROGRESS; /* Call commit handler */
6192}
6193
6194/*------------------------------------------------------------------*/
6195/*
6196 * Wireless Handler : get Fragmentation threshold
6197 */
6198static int airo_get_frag(struct net_device *dev,
6199 struct iw_request_info *info,
6200 struct iw_param *vwrq,
6201 char *extra)
6202{
6203 struct airo_info *local = dev->priv;
6204
6205 readConfigRid(local, 1);
6206 vwrq->value = local->config.fragThresh;
15db2763 6207 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
1da177e4
LT		 6208 vwrq->fixed = 1;
6209
6210 return 0;
6211}
6212
6213/*------------------------------------------------------------------*/
6214/*
6215 * Wireless Handler : set Mode of Operation
6216 */
6217static int airo_set_mode(struct net_device *dev,
6218 struct iw_request_info *info,
6219 __u32 *uwrq,
6220 char *extra)
6221{
6222 struct airo_info *local = dev->priv;
6223 int reset = 0;
6224
6225 readConfigRid(local, 1);
6226 if ((local->config.rmode & 0xff) >= RXMODE_RFMON)
6227 reset = 1;
6228
6229 switch(*uwrq) {
6230 case IW_MODE_ADHOC:
6231 local->config.opmode &= 0xFF00;
6232 local->config.opmode |= MODE_STA_IBSS;
6233 local->config.rmode &= 0xfe00;
6234 local->config.scanMode = SCANMODE_ACTIVE;
6235 clear_bit (FLAG_802_11, &local->flags);
6236 break;
6237 case IW_MODE_INFRA:
6238 local->config.opmode &= 0xFF00;
6239 local->config.opmode |= MODE_STA_ESS;
6240 local->config.rmode &= 0xfe00;
6241 local->config.scanMode = SCANMODE_ACTIVE;
6242 clear_bit (FLAG_802_11, &local->flags);
6243 break;
6244 case IW_MODE_MASTER:
6245 local->config.opmode &= 0xFF00;
6246 local->config.opmode |= MODE_AP;
6247 local->config.rmode &= 0xfe00;
6248 local->config.scanMode = SCANMODE_ACTIVE;
6249 clear_bit (FLAG_802_11, &local->flags);
6250 break;
6251 case IW_MODE_REPEAT:
6252 local->config.opmode &= 0xFF00;
6253 local->config.opmode |= MODE_AP_RPTR;
6254 local->config.rmode &= 0xfe00;
6255 local->config.scanMode = SCANMODE_ACTIVE;
6256 clear_bit (FLAG_802_11, &local->flags);
6257 break;
6258 case IW_MODE_MONITOR:
6259 local->config.opmode &= 0xFF00;
6260 local->config.opmode |= MODE_STA_ESS;
6261 local->config.rmode &= 0xfe00;
6262 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6263 local->config.scanMode = SCANMODE_PASSIVE;
6264 set_bit (FLAG_802_11, &local->flags);
6265 break;
6266 default:
6267 return -EINVAL;
6268 }
6269 if (reset)
6270 set_bit (FLAG_RESET, &local->flags);
6271 set_bit (FLAG_COMMIT, &local->flags);
6272
6273 return -EINPROGRESS; /* Call commit handler */
6274}
6275
6276/*------------------------------------------------------------------*/
6277/*
6278 * Wireless Handler : get Mode of Operation
6279 */
6280static int airo_get_mode(struct net_device *dev,
6281 struct iw_request_info *info,
6282 __u32 *uwrq,
6283 char *extra)
6284{
6285 struct airo_info *local = dev->priv;
6286
6287 readConfigRid(local, 1);
6288 /* If not managed, assume it's ad-hoc */
6289 switch (local->config.opmode & 0xFF) {
6290 case MODE_STA_ESS:
6291 *uwrq = IW_MODE_INFRA;
6292 break;
6293 case MODE_AP:
6294 *uwrq = IW_MODE_MASTER;
6295 break;
6296 case MODE_AP_RPTR:
6297 *uwrq = IW_MODE_REPEAT;
6298 break;
6299 default:
6300 *uwrq = IW_MODE_ADHOC;
6301 }
6302
6303 return 0;
6304}
6305
6306/*------------------------------------------------------------------*/
6307/*
6308 * Wireless Handler : set Encryption Key
6309 */
6310static int airo_set_encode(struct net_device *dev,
6311 struct iw_request_info *info,
6312 struct iw_point *dwrq,
6313 char *extra)
6314{
6315 struct airo_info *local = dev->priv;
6316 CapabilityRid cap_rid; /* Card capability info */
f89b2321
DS		 6317 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6318 u16 currentAuthType = local->config.authType;
1da177e4
LT		 6319
6320 /* Is WEP supported ? */
6321 readCapabilityRid(local, &cap_rid, 1);
6322 /* Older firmware doesn't support this...
6323 if(!(cap_rid.softCap & 2)) {
6324 return -EOPNOTSUPP;
6325 } */
6326 readConfigRid(local, 1);
6327
6328 /* Basic checking: do we have a key to set ?
6329 * Note : with the new API, it's impossible to get a NULL pointer.
6330 * Therefore, we need to check a key size == 0 instead.
6331 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6332 * when no key is present (only change flags), but older versions
6333 * don't do it. - Jean II */
6334 if (dwrq->length > 0) {
6335 wep_key_t key;
6336 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6337 int current_index = get_wep_key(local, 0xffff);
6338 /* Check the size of the key */
6339 if (dwrq->length > MAX_KEY_SIZE) {
6340 return -EINVAL;
6341 }
6342 /* Check the index (none -> use current) */
6343 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4:1)))
6344 index = current_index;
6345 /* Set the length */
6346 if (dwrq->length > MIN_KEY_SIZE)
6347 key.len = MAX_KEY_SIZE;
6348 else
6349 if (dwrq->length > 0)
6350 key.len = MIN_KEY_SIZE;
6351 else
6352 /* Disable the key */
6353 key.len = 0;
6354 /* Check if the key is not marked as invalid */
6355 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6356 /* Cleanup */
6357 memset(key.key, 0, MAX_KEY_SIZE);
6358 /* Copy the key in the driver */
6359 memcpy(key.key, extra, dwrq->length);
6360 /* Send the key to the card */
f89b2321 6361 set_wep_key(local, index, key.key, key.len, perm, 1);
1da177e4
LT		 6362 }
6363 /* WE specify that if a valid key is set, encryption
6364 * should be enabled (user may turn it off later)
6365 * This is also how "iwconfig ethX key on" works */
6366 if((index == current_index) && (key.len > 0) &&
6367 (local->config.authType == AUTH_OPEN)) {
6368 local->config.authType = AUTH_ENCRYPT;
1da177e4
LT		 6369 }
6370 } else {
6371 /* Do we want to just set the transmit key index ? */
6372 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6373 if ((index >= 0) && (index < ((cap_rid.softCap & 0x80)?4:1))) {
f89b2321 6374 set_wep_key(local, index, NULL, 0, perm, 1);
1da177e4
LT		 6375 } else
6376 /* Don't complain if only change the mode */
93a3b607 6377 if (!(dwrq->flags & IW_ENCODE_MODE))
1da177e4 6378 return -EINVAL;
1da177e4
LT		 6379 }
6380 /* Read the flags */
6381 if(dwrq->flags & IW_ENCODE_DISABLED)
6382 local->config.authType = AUTH_OPEN; // disable encryption
6383 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6384 local->config.authType = AUTH_SHAREDKEY; // Only Both
6385 if(dwrq->flags & IW_ENCODE_OPEN)
6386 local->config.authType = AUTH_ENCRYPT; // Only Wep
6387 /* Commit the changes to flags if needed */
f89b2321 6388 if (local->config.authType != currentAuthType)
1da177e4
LT		 6389 set_bit (FLAG_COMMIT, &local->flags);
6390 return -EINPROGRESS; /* Call commit handler */
6391}
6392
6393/*------------------------------------------------------------------*/
6394/*
6395 * Wireless Handler : get Encryption Key
6396 */
6397static int airo_get_encode(struct net_device *dev,
6398 struct iw_request_info *info,
6399 struct iw_point *dwrq,
6400 char *extra)
6401{
6402 struct airo_info *local = dev->priv;
6403 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6404 CapabilityRid cap_rid; /* Card capability info */
6405
6406 /* Is it supported ? */
6407 readCapabilityRid(local, &cap_rid, 1);
6408 if(!(cap_rid.softCap & 2)) {
6409 return -EOPNOTSUPP;
6410 }
6411 readConfigRid(local, 1);
6412 /* Check encryption mode */
6413 switch(local->config.authType) {
6414 case AUTH_ENCRYPT:
6415 dwrq->flags = IW_ENCODE_OPEN;
6416 break;
6417 case AUTH_SHAREDKEY:
6418 dwrq->flags = IW_ENCODE_RESTRICTED;
6419 break;
6420 default:
6421 case AUTH_OPEN:
6422 dwrq->flags = IW_ENCODE_DISABLED;
6423 break;
6424 }
6425 /* We can't return the key, so set the proper flag and return zero */
6426 dwrq->flags |= IW_ENCODE_NOKEY;
6427 memset(extra, 0, 16);
6428
6429 /* Which key do we want ? -1 -> tx index */
6430 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4 : 1)))
6431 index = get_wep_key(local, 0xffff);
6432 dwrq->flags |= index + 1;
6433 /* Copy the key to the user buffer */
6434 dwrq->length = get_wep_key(local, index);
6435 if (dwrq->length > 16) {
6436 dwrq->length=0;
6437 }
6438 return 0;
6439}
6440
4be757dd
DW		 6441/*------------------------------------------------------------------*/
6442/*
6443 * Wireless Handler : set extended Encryption parameters
6444 */
6445static int airo_set_encodeext(struct net_device *dev,
6446 struct iw_request_info *info,
6447 union iwreq_data *wrqu,
6448 char *extra)
6449{
6450 struct airo_info *local = dev->priv;
6451 struct iw_point *encoding = &wrqu->encoding;
6452 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6453 CapabilityRid cap_rid; /* Card capability info */
6454 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6455 u16 currentAuthType = local->config.authType;
22d8846e 6456 int idx, key_len, alg = ext->alg, set_key = 1;
4be757dd
DW		 6457 wep_key_t key;
6458
6459 /* Is WEP supported ? */
6460 readCapabilityRid(local, &cap_rid, 1);
6461 /* Older firmware doesn't support this...
6462 if(!(cap_rid.softCap & 2)) {
6463 return -EOPNOTSUPP;
6464 } */
6465 readConfigRid(local, 1);
6466
6467 /* Determine and validate the key index */
6468 idx = encoding->flags & IW_ENCODE_INDEX;
6469 if (idx) {
6470 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6471 return -EINVAL;
6472 idx--;
6473 } else
6474 idx = get_wep_key(local, 0xffff);
6475
6476 if (encoding->flags & IW_ENCODE_DISABLED)
6477 alg = IW_ENCODE_ALG_NONE;
6478
4be757dd 6479 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
22d8846e
DW		 6480 /* Only set transmit key index here, actual
6481 * key is set below if needed.
6482 */
4be757dd 6483 set_wep_key(local, idx, NULL, 0, perm, 1);
22d8846e
DW		 6484 set_key = ext->key_len > 0 ? 1 : 0;
6485 }
6486
6487 if (set_key) {
4be757dd
DW		 6488 /* Set the requested key first */
6489 memset(key.key, 0, MAX_KEY_SIZE);
6490 switch (alg) {
6491 case IW_ENCODE_ALG_NONE:
6492 key.len = 0;
6493 break;
6494 case IW_ENCODE_ALG_WEP:
6495 if (ext->key_len > MIN_KEY_SIZE) {
6496 key.len = MAX_KEY_SIZE;
6497 } else if (ext->key_len > 0) {
6498 key.len = MIN_KEY_SIZE;
6499 } else {
6500 return -EINVAL;
6501 }
6502 key_len = min (ext->key_len, key.len);
6503 memcpy(key.key, ext->key, key_len);
6504 break;
6505 default:
6506 return -EINVAL;
6507 }
6508 /* Send the key to the card */
6509 set_wep_key(local, idx, key.key, key.len, perm, 1);
6510 }
6511
6512 /* Read the flags */
6513 if(encoding->flags & IW_ENCODE_DISABLED)
6514 local->config.authType = AUTH_OPEN; // disable encryption
6515 if(encoding->flags & IW_ENCODE_RESTRICTED)
6516 local->config.authType = AUTH_SHAREDKEY; // Only Both
6517 if(encoding->flags & IW_ENCODE_OPEN)
6518 local->config.authType = AUTH_ENCRYPT; // Only Wep
6519 /* Commit the changes to flags if needed */
6520 if (local->config.authType != currentAuthType)
6521 set_bit (FLAG_COMMIT, &local->flags);
6522
6523 return -EINPROGRESS;
6524}
6525
6526
6527/*------------------------------------------------------------------*/
6528/*
6529 * Wireless Handler : get extended Encryption parameters
6530 */
6531static int airo_get_encodeext(struct net_device *dev,
6532 struct iw_request_info *info,
6533 union iwreq_data *wrqu,
6534 char *extra)
6535{
6536 struct airo_info *local = dev->priv;
6537 struct iw_point *encoding = &wrqu->encoding;
6538 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6539 CapabilityRid cap_rid; /* Card capability info */
6540 int idx, max_key_len;
6541
6542 /* Is it supported ? */
6543 readCapabilityRid(local, &cap_rid, 1);
6544 if(!(cap_rid.softCap & 2)) {
6545 return -EOPNOTSUPP;
6546 }
6547 readConfigRid(local, 1);
6548
6549 max_key_len = encoding->length - sizeof(*ext);
6550 if (max_key_len < 0)
6551 return -EINVAL;
6552
6553 idx = encoding->flags & IW_ENCODE_INDEX;
6554 if (idx) {
6555 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6556 return -EINVAL;
6557 idx--;
6558 } else
6559 idx = get_wep_key(local, 0xffff);
6560
6561 encoding->flags = idx + 1;
6562 memset(ext, 0, sizeof(*ext));
6563
6564 /* Check encryption mode */
6565 switch(local->config.authType) {
6566 case AUTH_ENCRYPT:
6567 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6568 break;
6569 case AUTH_SHAREDKEY:
6570 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6571 break;
6572 default:
6573 case AUTH_OPEN:
6574 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6575 break;
6576 }
6577 /* We can't return the key, so set the proper flag and return zero */
6578 encoding->flags |= IW_ENCODE_NOKEY;
6579 memset(extra, 0, 16);
6580
6581 /* Copy the key to the user buffer */
6582 ext->key_len = get_wep_key(local, idx);
6583 if (ext->key_len > 16) {
6584 ext->key_len=0;
6585 }
6586
6587 return 0;
6588}
6589
6590
6591/*------------------------------------------------------------------*/
6592/*
6593 * Wireless Handler : set extended authentication parameters
6594 */
6595static int airo_set_auth(struct net_device *dev,
6596 struct iw_request_info *info,
6597 union iwreq_data *wrqu, char *extra)
6598{
6599 struct airo_info *local = dev->priv;
6600 struct iw_param *param = &wrqu->param;
6601 u16 currentAuthType = local->config.authType;
6602
6603 switch (param->flags & IW_AUTH_INDEX) {
6604 case IW_AUTH_WPA_VERSION:
6605 case IW_AUTH_CIPHER_PAIRWISE:
6606 case IW_AUTH_CIPHER_GROUP:
6607 case IW_AUTH_KEY_MGMT:
6608 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6609 case IW_AUTH_PRIVACY_INVOKED:
6610 /*
6611 * airo does not use these parameters
6612 */
6613 break;
6614
6615 case IW_AUTH_DROP_UNENCRYPTED:
6616 if (param->value) {
6617 /* Only change auth type if unencrypted */
6618 if (currentAuthType == AUTH_OPEN)
6619 local->config.authType = AUTH_ENCRYPT;
6620 } else {
6621 local->config.authType = AUTH_OPEN;
6622 }
6623
6624 /* Commit the changes to flags if needed */
6625 if (local->config.authType != currentAuthType)
6626 set_bit (FLAG_COMMIT, &local->flags);
6627 break;
6628
6629 case IW_AUTH_80211_AUTH_ALG: {
6630 /* FIXME: What about AUTH_OPEN? This API seems to
6631 * disallow setting our auth to AUTH_OPEN.
6632 */
6633 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6634 local->config.authType = AUTH_SHAREDKEY;
6635 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6636 local->config.authType = AUTH_ENCRYPT;
6637 } else
6638 return -EINVAL;
6639 break;
6640
6641 /* Commit the changes to flags if needed */
6642 if (local->config.authType != currentAuthType)
6643 set_bit (FLAG_COMMIT, &local->flags);
6644 }
6645
6646 case IW_AUTH_WPA_ENABLED:
6647 /* Silently accept disable of WPA */
6648 if (param->value > 0)
6649 return -EOPNOTSUPP;
6650 break;
6651
6652 default:
6653 return -EOPNOTSUPP;
6654 }
6655 return -EINPROGRESS;
6656}
6657
6658
6659/*------------------------------------------------------------------*/
6660/*
6661 * Wireless Handler : get extended authentication parameters
6662 */
6663static int airo_get_auth(struct net_device *dev,
6664 struct iw_request_info *info,
6665 union iwreq_data *wrqu, char *extra)
6666{
6667 struct airo_info *local = dev->priv;
6668 struct iw_param *param = &wrqu->param;
6669 u16 currentAuthType = local->config.authType;
6670
6671 switch (param->flags & IW_AUTH_INDEX) {
6672 case IW_AUTH_DROP_UNENCRYPTED:
6673 switch (currentAuthType) {
6674 case AUTH_SHAREDKEY:
6675 case AUTH_ENCRYPT:
6676 param->value = 1;
6677 break;
6678 default:
6679 param->value = 0;
6680 break;
6681 }
6682 break;
6683
6684 case IW_AUTH_80211_AUTH_ALG:
6685 switch (currentAuthType) {
6686 case AUTH_SHAREDKEY:
6687 param->value = IW_AUTH_ALG_SHARED_KEY;
6688 break;
6689 case AUTH_ENCRYPT:
6690 default:
6691 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6692 break;
6693 }
6694 break;
6695
6696 case IW_AUTH_WPA_ENABLED:
6697 param->value = 0;
6698 break;
6699
6700 default:
6701 return -EOPNOTSUPP;
6702 }
6703 return 0;
6704}
6705
6706
1da177e4
LT		 6707/*------------------------------------------------------------------*/
6708/*
6709 * Wireless Handler : set Tx-Power
6710 */
6711static int airo_set_txpow(struct net_device *dev,
6712 struct iw_request_info *info,
6713 struct iw_param *vwrq,
6714 char *extra)
6715{
6716 struct airo_info *local = dev->priv;
6717 CapabilityRid cap_rid; /* Card capability info */
6718 int i;
6719 int rc = -EINVAL;
6720
6721 readCapabilityRid(local, &cap_rid, 1);
6722
6723 if (vwrq->disabled) {
6724 set_bit (FLAG_RADIO_OFF, &local->flags);
6725 set_bit (FLAG_COMMIT, &local->flags);
6726 return -EINPROGRESS; /* Call commit handler */
6727 }
6728 if (vwrq->flags != IW_TXPOW_MWATT) {
6729 return -EINVAL;
6730 }
6731 clear_bit (FLAG_RADIO_OFF, &local->flags);
6732 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6733 if ((vwrq->value==cap_rid.txPowerLevels[i])) {
6734 readConfigRid(local, 1);
6735 local->config.txPower = vwrq->value;
6736 set_bit (FLAG_COMMIT, &local->flags);
6737 rc = -EINPROGRESS; /* Call commit handler */
6738 break;
6739 }
6740 return rc;
6741}
6742
6743/*------------------------------------------------------------------*/
6744/*
6745 * Wireless Handler : get Tx-Power
6746 */
6747static int airo_get_txpow(struct net_device *dev,
6748 struct iw_request_info *info,
6749 struct iw_param *vwrq,
6750 char *extra)
6751{
6752 struct airo_info *local = dev->priv;
6753
6754 readConfigRid(local, 1);
6755 vwrq->value = local->config.txPower;
6756 vwrq->fixed = 1; /* No power control */
6757 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6758 vwrq->flags = IW_TXPOW_MWATT;
6759
6760 return 0;
6761}
6762
6763/*------------------------------------------------------------------*/
6764/*
6765 * Wireless Handler : set Retry limits
6766 */
6767static int airo_set_retry(struct net_device *dev,
6768 struct iw_request_info *info,
6769 struct iw_param *vwrq,
6770 char *extra)
6771{
6772 struct airo_info *local = dev->priv;
6773 int rc = -EINVAL;
6774
6775 if(vwrq->disabled) {
6776 return -EINVAL;
6777 }
6778 readConfigRid(local, 1);
6779 if(vwrq->flags & IW_RETRY_LIMIT) {
7f8544cc 6780 if(vwrq->flags & IW_RETRY_LONG)
1da177e4 6781 local->config.longRetryLimit = vwrq->value;
7f8544cc 6782 else if (vwrq->flags & IW_RETRY_SHORT)
1da177e4
LT		 6783 local->config.shortRetryLimit = vwrq->value;
6784 else {
6785 /* No modifier : set both */
6786 local->config.longRetryLimit = vwrq->value;
6787 local->config.shortRetryLimit = vwrq->value;
6788 }
6789 set_bit (FLAG_COMMIT, &local->flags);
6790 rc = -EINPROGRESS; /* Call commit handler */
6791 }
6792 if(vwrq->flags & IW_RETRY_LIFETIME) {
6793 local->config.txLifetime = vwrq->value / 1024;
6794 set_bit (FLAG_COMMIT, &local->flags);
6795 rc = -EINPROGRESS; /* Call commit handler */
6796 }
6797 return rc;
6798}
6799
6800/*------------------------------------------------------------------*/
6801/*
6802 * Wireless Handler : get Retry limits
6803 */
6804static int airo_get_retry(struct net_device *dev,
6805 struct iw_request_info *info,
6806 struct iw_param *vwrq,
6807 char *extra)
6808{
6809 struct airo_info *local = dev->priv;
6810
6811 vwrq->disabled = 0; /* Can't be disabled */
6812
6813 readConfigRid(local, 1);
6814 /* Note : by default, display the min retry number */
6815 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6816 vwrq->flags = IW_RETRY_LIFETIME;
6817 vwrq->value = (int)local->config.txLifetime * 1024;
7f8544cc
JT		 6818 } else if((vwrq->flags & IW_RETRY_LONG)) {
6819 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
1da177e4
LT		 6820 vwrq->value = (int)local->config.longRetryLimit;
6821 } else {
6822 vwrq->flags = IW_RETRY_LIMIT;
6823 vwrq->value = (int)local->config.shortRetryLimit;
6824 if((int)local->config.shortRetryLimit != (int)local->config.longRetryLimit)
7f8544cc 6825 vwrq->flags |= IW_RETRY_SHORT;
1da177e4
LT		 6826 }
6827
6828 return 0;
6829}
6830
6831/*------------------------------------------------------------------*/
6832/*
6833 * Wireless Handler : get range info
6834 */
6835static int airo_get_range(struct net_device *dev,
6836 struct iw_request_info *info,
6837 struct iw_point *dwrq,
6838 char *extra)
6839{
6840 struct airo_info *local = dev->priv;
6841 struct iw_range *range = (struct iw_range *) extra;
6842 CapabilityRid cap_rid; /* Card capability info */
6843 int i;
6844 int k;
6845
6846 readCapabilityRid(local, &cap_rid, 1);
6847
6848 dwrq->length = sizeof(struct iw_range);
6849 memset(range, 0, sizeof(*range));
6850 range->min_nwid = 0x0000;
6851 range->max_nwid = 0x0000;
6852 range->num_channels = 14;
6853 /* Should be based on cap_rid.country to give only
6854 * what the current card support */
6855 k = 0;
6856 for(i = 0; i < 14; i++) {
6857 range->freq[k].i = i + 1; /* List index */
6858 range->freq[k].m = frequency_list[i] * 100000;
6859 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6860 }
6861 range->num_frequency = k;
6862
41480af2
DW		 6863 range->sensitivity = 65535;
6864
1da177e4 6865 /* Hum... Should put the right values there */
41480af2
DW		 6866 if (local->rssi)
6867 range->max_qual.qual = 100; /* % */
6868 else
6869 range->max_qual.qual = airo_get_max_quality(&cap_rid);
ce6623c3
JT		 6870 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6871 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
41480af2
DW		 6872
6873 /* Experimental measurements - boundary 11/5.5 Mb/s */
6874 /* Note : with or without the (local->rssi), results
6875 * are somewhat different. - Jean II */
6876 if (local->rssi) {
ce6623c3
JT		 6877 range->avg_qual.qual = 50; /* % */
6878 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
41480af2
DW		 6879 } else {
6880 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
ce6623c3 6881 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
41480af2 6882 }
ce6623c3 6883 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
1da177e4
LT		 6884
6885 for(i = 0 ; i < 8 ; i++) {
6886 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6887 if(range->bitrate[i] == 0)
6888 break;
6889 }
6890 range->num_bitrates = i;
6891
6892 /* Set an indication of the max TCP throughput
6893 * in bit/s that we can expect using this interface.
6894 * May be use for QoS stuff... Jean II */
6895 if(i > 2)
6896 range->throughput = 5000 * 1000;
6897 else
6898 range->throughput = 1500 * 1000;
6899
6900 range->min_rts = 0;
15db2763 6901 range->max_rts = AIRO_DEF_MTU;
1da177e4 6902 range->min_frag = 256;
15db2763 6903 range->max_frag = AIRO_DEF_MTU;
1da177e4
LT		 6904
6905 if(cap_rid.softCap & 2) {
6906 // WEP: RC4 40 bits
6907 range->encoding_size[0] = 5;
6908 // RC4 ~128 bits
6909 if (cap_rid.softCap & 0x100) {
6910 range->encoding_size[1] = 13;
6911 range->num_encoding_sizes = 2;
6912 } else
6913 range->num_encoding_sizes = 1;
6914 range->max_encoding_tokens = (cap_rid.softCap & 0x80) ? 4 : 1;
6915 } else {
6916 range->num_encoding_sizes = 0;
6917 range->max_encoding_tokens = 0;
6918 }
6919 range->min_pmp = 0;
6920 range->max_pmp = 5000000; /* 5 secs */
6921 range->min_pmt = 0;
6922 range->max_pmt = 65535 * 1024; /* ??? */
6923 range->pmp_flags = IW_POWER_PERIOD;
6924 range->pmt_flags = IW_POWER_TIMEOUT;
6925 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6926
6927 /* Transmit Power - values are in mW */
6928 for(i = 0 ; i < 8 ; i++) {
6929 range->txpower[i] = cap_rid.txPowerLevels[i];
6930 if(range->txpower[i] == 0)
6931 break;
6932 }
6933 range->num_txpower = i;
6934 range->txpower_capa = IW_TXPOW_MWATT;
3c304956 6935 range->we_version_source = 19;
1da177e4
LT		 6936 range->we_version_compiled = WIRELESS_EXT;
6937 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6938 range->retry_flags = IW_RETRY_LIMIT;
6939 range->r_time_flags = IW_RETRY_LIFETIME;
6940 range->min_retry = 1;
6941 range->max_retry = 65535;
6942 range->min_r_time = 1024;
6943 range->max_r_time = 65535 * 1024;
1da177e4
LT		 6944
6945 /* Event capability (kernel + driver) */
6946 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6947 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6948 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6949 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6950 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6951 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6952 return 0;
6953}
6954
6955/*------------------------------------------------------------------*/
6956/*
6957 * Wireless Handler : set Power Management
6958 */
6959static int airo_set_power(struct net_device *dev,
6960 struct iw_request_info *info,
6961 struct iw_param *vwrq,
6962 char *extra)
6963{
6964 struct airo_info *local = dev->priv;
6965
6966 readConfigRid(local, 1);
6967 if (vwrq->disabled) {
6968 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6969 return -EINVAL;
6970 }
6971 local->config.powerSaveMode = POWERSAVE_CAM;
6972 local->config.rmode &= 0xFF00;
6973 local->config.rmode |= RXMODE_BC_MC_ADDR;
6974 set_bit (FLAG_COMMIT, &local->flags);
6975 return -EINPROGRESS; /* Call commit handler */
6976 }
6977 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6978 local->config.fastListenDelay = (vwrq->value + 500) / 1024;
6979 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6980 set_bit (FLAG_COMMIT, &local->flags);
6981 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
6982 local->config.fastListenInterval = local->config.listenInterval = (vwrq->value + 500) / 1024;
6983 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6984 set_bit (FLAG_COMMIT, &local->flags);
6985 }
6986 switch (vwrq->flags & IW_POWER_MODE) {
6987 case IW_POWER_UNICAST_R:
6988 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6989 return -EINVAL;
6990 }
6991 local->config.rmode &= 0xFF00;
6992 local->config.rmode |= RXMODE_ADDR;
6993 set_bit (FLAG_COMMIT, &local->flags);
6994 break;
6995 case IW_POWER_ALL_R:
6996 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6997 return -EINVAL;
6998 }
6999 local->config.rmode &= 0xFF00;
7000 local->config.rmode |= RXMODE_BC_MC_ADDR;
7001 set_bit (FLAG_COMMIT, &local->flags);
7002 case IW_POWER_ON:
7f8544cc 7003 /* This is broken, fixme ;-) */
1da177e4
LT		 7004 break;
7005 default:
7006 return -EINVAL;
7007 }
7008 // Note : we may want to factor local->need_commit here
7009 // Note2 : may also want to factor RXMODE_RFMON test
7010 return -EINPROGRESS; /* Call commit handler */
7011}
7012
7013/*------------------------------------------------------------------*/
7014/*
7015 * Wireless Handler : get Power Management
7016 */
7017static int airo_get_power(struct net_device *dev,
7018 struct iw_request_info *info,
7019 struct iw_param *vwrq,
7020 char *extra)
7021{
7022 struct airo_info *local = dev->priv;
7023 int mode;
7024
7025 readConfigRid(local, 1);
7026 mode = local->config.powerSaveMode;
7027 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7028 return 0;
7029 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7030 vwrq->value = (int)local->config.fastListenDelay * 1024;
7031 vwrq->flags = IW_POWER_TIMEOUT;
7032 } else {
7033 vwrq->value = (int)local->config.fastListenInterval * 1024;
7034 vwrq->flags = IW_POWER_PERIOD;
7035 }
7036 if ((local->config.rmode & 0xFF) == RXMODE_ADDR)
7037 vwrq->flags |= IW_POWER_UNICAST_R;
7038 else
7039 vwrq->flags |= IW_POWER_ALL_R;
7040
7041 return 0;
7042}
7043
7044/*------------------------------------------------------------------*/
7045/*
7046 * Wireless Handler : set Sensitivity
7047 */
7048static int airo_set_sens(struct net_device *dev,
7049 struct iw_request_info *info,
7050 struct iw_param *vwrq,
7051 char *extra)
7052{
7053 struct airo_info *local = dev->priv;
7054
7055 readConfigRid(local, 1);
7056 local->config.rssiThreshold = vwrq->disabled ? RSSI_DEFAULT : vwrq->value;
7057 set_bit (FLAG_COMMIT, &local->flags);
7058
7059 return -EINPROGRESS; /* Call commit handler */
7060}
7061
7062/*------------------------------------------------------------------*/
7063/*
7064 * Wireless Handler : get Sensitivity
7065 */
7066static int airo_get_sens(struct net_device *dev,
7067 struct iw_request_info *info,
7068 struct iw_param *vwrq,
7069 char *extra)
7070{
7071 struct airo_info *local = dev->priv;
7072
7073 readConfigRid(local, 1);
7074 vwrq->value = local->config.rssiThreshold;
7075 vwrq->disabled = (vwrq->value == 0);
7076 vwrq->fixed = 1;
7077
7078 return 0;
7079}
7080
7081/*------------------------------------------------------------------*/
7082/*
7083 * Wireless Handler : get AP List
7084 * Note : this is deprecated in favor of IWSCAN
7085 */
7086static int airo_get_aplist(struct net_device *dev,
7087 struct iw_request_info *info,
7088 struct iw_point *dwrq,
7089 char *extra)
7090{
7091 struct airo_info *local = dev->priv;
7092 struct sockaddr *address = (struct sockaddr *) extra;
7093 struct iw_quality qual[IW_MAX_AP];
7094 BSSListRid BSSList;
7095 int i;
7096 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7097
7098 for (i = 0; i < IW_MAX_AP; i++) {
7099 if (readBSSListRid(local, loseSync, &BSSList))
7100 break;
7101 loseSync = 0;
7102 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7103 address[i].sa_family = ARPHRD_ETHER;
41480af2
DW		 7104 if (local->rssi) {
7105 qual[i].level = 0x100 - BSSList.dBm;
7106 qual[i].qual = airo_dbm_to_pct( local->rssi, BSSList.dBm );
ce6623c3
JT		 7107 qual[i].updated = IW_QUAL_QUAL_UPDATED
7108 | IW_QUAL_LEVEL_UPDATED
7109 | IW_QUAL_DBM;
41480af2
DW		 7110 } else {
7111 qual[i].level = (BSSList.dBm + 321) / 2;
7112 qual[i].qual = 0;
ce6623c3
JT		 7113 qual[i].updated = IW_QUAL_QUAL_INVALID
7114 | IW_QUAL_LEVEL_UPDATED
7115 | IW_QUAL_DBM;
41480af2
DW		 7116 }
7117 qual[i].noise = local->wstats.qual.noise;
1da177e4
LT		 7118 if (BSSList.index == 0xffff)
7119 break;
7120 }
7121 if (!i) {
7122 StatusRid status_rid; /* Card status info */
7123 readStatusRid(local, &status_rid, 1);
7124 for (i = 0;
7125 i < min(IW_MAX_AP, 4) &&
7126 (status_rid.bssid[i][0]
7127 & status_rid.bssid[i][1]
7128 & status_rid.bssid[i][2]
7129 & status_rid.bssid[i][3]
7130 & status_rid.bssid[i][4]
7131 & status_rid.bssid[i][5])!=0xff &&
7132 (status_rid.bssid[i][0]
7133 | status_rid.bssid[i][1]
7134 | status_rid.bssid[i][2]
7135 | status_rid.bssid[i][3]
7136 | status_rid.bssid[i][4]
7137 | status_rid.bssid[i][5]);
7138 i++) {
7139 memcpy(address[i].sa_data,
7140 status_rid.bssid[i], ETH_ALEN);
7141 address[i].sa_family = ARPHRD_ETHER;
7142 }
7143 } else {
7144 dwrq->flags = 1; /* Should be define'd */
7145 memcpy(extra + sizeof(struct sockaddr)*i,
7146 &qual, sizeof(struct iw_quality)*i);
7147 }
7148 dwrq->length = i;
7149
7150 return 0;
7151}
7152
7153/*------------------------------------------------------------------*/
7154/*
7155 * Wireless Handler : Initiate Scan
7156 */
7157static int airo_set_scan(struct net_device *dev,
7158 struct iw_request_info *info,
7159 struct iw_param *vwrq,
7160 char *extra)
7161{
7162 struct airo_info *ai = dev->priv;
7163 Cmd cmd;
7164 Resp rsp;
9e75af30 7165 int wake = 0;
1da177e4
LT		 7166
7167 /* Note : you may have realised that, as this is a SET operation,
7168 * this is privileged and therefore a normal user can't
7169 * perform scanning.
7170 * This is not an error, while the device perform scanning,
7171 * traffic doesn't flow, so it's a perfect DoS...
7172 * Jean II */
7173 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7174
9e75af30
DW		 7175 if (down_interruptible(&ai->sem))
7176 return -ERESTARTSYS;
7177
7178 /* If there's already a scan in progress, don't
7179 * trigger another one. */
7180 if (ai->scan_timeout > 0)
7181 goto out;
7182
1da177e4 7183 /* Initiate a scan command */
6fcdf565 7184 ai->scan_timeout = RUN_AT(3*HZ);
1da177e4
LT		 7185 memset(&cmd, 0, sizeof(cmd));
7186 cmd.cmd=CMD_LISTBSS;
1da177e4 7187 issuecommand(ai, &cmd, &rsp);
9e75af30 7188 wake = 1;
1da177e4 7189
9e75af30
DW		 7190out:
7191 up(&ai->sem);
7192 if (wake)
7193 wake_up_interruptible(&ai->thr_wait);
1da177e4
LT		 7194 return 0;
7195}
7196
7197/*------------------------------------------------------------------*/
7198/*
7199 * Translate scan data returned from the card to a card independent
7200 * format that the Wireless Tools will understand - Jean II
7201 */
7202static inline char *airo_translate_scan(struct net_device *dev,
7203 char *current_ev,
7204 char *end_buf,
41480af2 7205 BSSListRid *bss)
1da177e4
LT		 7206{
7207 struct airo_info *ai = dev->priv;
7208 struct iw_event iwe; /* Temporary buffer */
7209 u16 capabilities;
7210 char * current_val; /* For rates */
7211 int i;
3c304956 7212 char * buf;
851b3e5e 7213 u16 dBm;
1da177e4
LT		 7214
7215 /* First entry *MUST* be the AP MAC address */
7216 iwe.cmd = SIOCGIWAP;
7217 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
41480af2 7218 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
1da177e4
LT		 7219 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
7220
7221 /* Other entries will be displayed in the order we give them */
7222
7223 /* Add the ESSID */
41480af2 7224 iwe.u.data.length = bss->ssidLen;
1da177e4
LT		 7225 if(iwe.u.data.length > 32)
7226 iwe.u.data.length = 32;
7227 iwe.cmd = SIOCGIWESSID;
7228 iwe.u.data.flags = 1;
41480af2 7229 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
1da177e4
LT		 7230
7231 /* Add mode */
7232 iwe.cmd = SIOCGIWMODE;
41480af2 7233 capabilities = le16_to_cpu(bss->cap);
1da177e4
LT		 7234 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7235 if(capabilities & CAP_ESS)
7236 iwe.u.mode = IW_MODE_MASTER;
7237 else
7238 iwe.u.mode = IW_MODE_ADHOC;
7239 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
7240 }
7241
7242 /* Add frequency */
7243 iwe.cmd = SIOCGIWFREQ;
41480af2 7244 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
1141455d 7245 /* iwe.u.freq.m containt the channel (starting 1), our
7246 * frequency_list array start at index 0...
7247 */
7248 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
1da177e4
LT		 7249 iwe.u.freq.e = 1;
7250 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
7251
851b3e5e
AV		 7252 dBm = le16_to_cpu(bss->dBm);
7253
1da177e4
LT		 7254 /* Add quality statistics */
7255 iwe.cmd = IWEVQUAL;
41480af2 7256 if (ai->rssi) {
851b3e5e
AV		 7257 iwe.u.qual.level = 0x100 - dBm;
7258 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
ce6623c3
JT		 7259 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7260 | IW_QUAL_LEVEL_UPDATED
7261 | IW_QUAL_DBM;
41480af2 7262 } else {
851b3e5e 7263 iwe.u.qual.level = (dBm + 321) / 2;
41480af2 7264 iwe.u.qual.qual = 0;
bbeec90b 7265 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
ce6623c3
JT		 7266 | IW_QUAL_LEVEL_UPDATED
7267 | IW_QUAL_DBM;
41480af2
DW		 7268 }
7269 iwe.u.qual.noise = ai->wstats.qual.noise;
1da177e4
LT		 7270 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
7271
7272 /* Add encryption capability */
7273 iwe.cmd = SIOCGIWENCODE;
7274 if(capabilities & CAP_PRIVACY)
7275 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7276 else
7277 iwe.u.data.flags = IW_ENCODE_DISABLED;
7278 iwe.u.data.length = 0;
41480af2 7279 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
1da177e4
LT		 7280
7281 /* Rate : stuffing multiple values in a single event require a bit
7282 * more of magic - Jean II */
7283 current_val = current_ev + IW_EV_LCP_LEN;
7284
7285 iwe.cmd = SIOCGIWRATE;
7286 /* Those two flags are ignored... */
7287 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7288 /* Max 8 values */
7289 for(i = 0 ; i < 8 ; i++) {
7290 /* NULL terminated */
41480af2 7291 if(bss->rates[i] == 0)
1da177e4
LT		 7292 break;
7293 /* Bit rate given in 500 kb/s units (+ 0x80) */
41480af2 7294 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
1da177e4
LT		 7295 /* Add new value to event */
7296 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
7297 }
7298 /* Check if we added any event */
7299 if((current_val - current_ev) > IW_EV_LCP_LEN)
7300 current_ev = current_val;
7301
3c304956
DW		 7302 /* Beacon interval */
7303 buf = kmalloc(30, GFP_KERNEL);
7304 if (buf) {
7305 iwe.cmd = IWEVCUSTOM;
7306 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7307 iwe.u.data.length = strlen(buf);
7308 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, buf);
7309 kfree(buf);
7310 }
7311
7312 /* Put WPA/RSN Information Elements into the event stream */
7313 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7314 unsigned int num_null_ies = 0;
7315 u16 length = sizeof (bss->extra.iep);
7316 struct ieee80211_info_element *info_element =
7317 (struct ieee80211_info_element *) &bss->extra.iep;
7318
7319 while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) {
7320 if (sizeof(*info_element) + info_element->len > length) {
7321 /* Invalid element, don't continue parsing IE */
7322 break;
7323 }
7324
7325 switch (info_element->id) {
7326 case MFIE_TYPE_SSID:
7327 /* Two zero-length SSID elements
7328 * mean we're done parsing elements */
7329 if (!info_element->len)
7330 num_null_ies++;
7331 break;
7332
7333 case MFIE_TYPE_GENERIC:
7334 if (info_element->len >= 4 &&
7335 info_element->data[0] == 0x00 &&
7336 info_element->data[1] == 0x50 &&
7337 info_element->data[2] == 0xf2 &&
7338 info_element->data[3] == 0x01) {
7339 iwe.cmd = IWEVGENIE;
7340 iwe.u.data.length = min(info_element->len + 2,
7341 MAX_WPA_IE_LEN);
7342 current_ev = iwe_stream_add_point(current_ev, end_buf,
7343 &iwe, (char *) info_element);
7344 }
7345 break;
7346
7347 case MFIE_TYPE_RSN:
7348 iwe.cmd = IWEVGENIE;
7349 iwe.u.data.length = min(info_element->len + 2,
7350 MAX_WPA_IE_LEN);
7351 current_ev = iwe_stream_add_point(current_ev, end_buf,
7352 &iwe, (char *) info_element);
7353 break;
7354
7355 default:
7356 break;
7357 }
7358
7359 length -= sizeof(*info_element) + info_element->len;
7360 info_element =
7361 (struct ieee80211_info_element *)&info_element->
7362 data[info_element->len];
7363 }
7364 }
1da177e4
LT		 7365 return current_ev;
7366}
7367
7368/*------------------------------------------------------------------*/
7369/*
7370 * Wireless Handler : Read Scan Results
7371 */
7372static int airo_get_scan(struct net_device *dev,
7373 struct iw_request_info *info,
7374 struct iw_point *dwrq,
7375 char *extra)
7376{
7377 struct airo_info *ai = dev->priv;
9e75af30
DW		 7378 BSSListElement *net;
7379 int err = 0;
1da177e4
LT		 7380 char *current_ev = extra;
7381
9e75af30
DW		 7382 /* If a scan is in-progress, return -EAGAIN */
7383 if (ai->scan_timeout > 0)
1da177e4 7384 return -EAGAIN;
1da177e4 7385
9e75af30
DW		 7386 if (down_interruptible(&ai->sem))
7387 return -EAGAIN;
1da177e4 7388
9e75af30 7389 list_for_each_entry (net, &ai->network_list, list) {
1da177e4
LT		 7390 /* Translate to WE format this entry */
7391 current_ev = airo_translate_scan(dev, current_ev,
7392 extra + dwrq->length,
9e75af30 7393 &net->bss);
1da177e4
LT		 7394
7395 /* Check if there is space for one more entry */
7396 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7397 /* Ask user space to try again with a bigger buffer */
9e75af30
DW		 7398 err = -E2BIG;
7399 goto out;
1da177e4 7400 }
1da177e4 7401 }
9e75af30 7402
1da177e4
LT		 7403 /* Length of data */
7404 dwrq->length = (current_ev - extra);
7405 dwrq->flags = 0; /* todo */
7406
9e75af30
DW		 7407out:
7408 up(&ai->sem);
7409 return err;
1da177e4
LT		 7410}
7411
7412/*------------------------------------------------------------------*/
7413/*
7414 * Commit handler : called after a bunch of SET operations
7415 */
7416static int airo_config_commit(struct net_device *dev,
7417 struct iw_request_info *info, /* NULL */
7418 void *zwrq, /* NULL */
7419 char *extra) /* NULL */
7420{
7421 struct airo_info *local = dev->priv;
1da177e4
LT		 7422
7423 if (!test_bit (FLAG_COMMIT, &local->flags))
7424 return 0;
7425
7426 /* Some of the "SET" function may have modified some of the
7427 * parameters. It's now time to commit them in the card */
7428 disable_MAC(local, 1);
7429 if (test_bit (FLAG_RESET, &local->flags)) {
7430 APListRid APList_rid;
7431 SsidRid SSID_rid;
7432
7433 readAPListRid(local, &APList_rid);
7434 readSsidRid(local, &SSID_rid);
7435 if (test_bit(FLAG_MPI,&local->flags))
7436 setup_card(local, dev->dev_addr, 1 );
7437 else
7438 reset_airo_card(dev);
7439 disable_MAC(local, 1);
7440 writeSsidRid(local, &SSID_rid, 1);
7441 writeAPListRid(local, &APList_rid, 1);
7442 }
7443 if (down_interruptible(&local->sem))
7444 return -ERESTARTSYS;
7445 writeConfigRid(local, 0);
175ec1a1 7446 enable_MAC(local, 0);
1da177e4
LT		 7447 if (test_bit (FLAG_RESET, &local->flags))
7448 airo_set_promisc(local);
7449 else
7450 up(&local->sem);
7451
7452 return 0;
7453}
7454
7455/*------------------------------------------------------------------*/
7456/*
7457 * Structures to export the Wireless Handlers
7458 */
7459
7460static const struct iw_priv_args airo_private_args[] = {
7461/*{ cmd, set_args, get_args, name } */
7462 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7463 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7464 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7465 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7466};
7467
7468static const iw_handler airo_handler[] =
7469{
7470 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7471 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7472 (iw_handler) NULL, /* SIOCSIWNWID */
7473 (iw_handler) NULL, /* SIOCGIWNWID */
7474 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7475 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7476 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7477 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7478 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7479 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7480 (iw_handler) NULL, /* SIOCSIWRANGE */
7481 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7482 (iw_handler) NULL, /* SIOCSIWPRIV */
7483 (iw_handler) NULL, /* SIOCGIWPRIV */
7484 (iw_handler) NULL, /* SIOCSIWSTATS */
7485 (iw_handler) NULL, /* SIOCGIWSTATS */
7486 iw_handler_set_spy, /* SIOCSIWSPY */
7487 iw_handler_get_spy, /* SIOCGIWSPY */
7488 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7489 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7490 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7491 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7492 (iw_handler) NULL, /* -- hole -- */
7493 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7494 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7495 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7496 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7497 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7498 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7499 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7500 (iw_handler) NULL, /* -- hole -- */
7501 (iw_handler) NULL, /* -- hole -- */
7502 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7503 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7504 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7505 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7506 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7507 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7508 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7509 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7510 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7511 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7512 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7513 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7514 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7515 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
4be757dd
DW		 7516 (iw_handler) NULL, /* -- hole -- */
7517 (iw_handler) NULL, /* -- hole -- */
7518 (iw_handler) NULL, /* SIOCSIWGENIE */
7519 (iw_handler) NULL, /* SIOCGIWGENIE */
7520 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7521 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7522 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7523 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7524 (iw_handler) NULL, /* SIOCSIWPMKSA */
1da177e4
LT		 7525};
7526
7527/* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7528 * We want to force the use of the ioctl code, because those can't be
7529 * won't work the iw_handler code (because they simultaneously read
7530 * and write data and iw_handler can't do that).
7531 * Note that it's perfectly legal to read/write on a single ioctl command,
7532 * you just can't use iwpriv and need to force it via the ioctl handler.
7533 * Jean II */
7534static const iw_handler airo_private_handler[] =
7535{
7536 NULL, /* SIOCIWFIRSTPRIV */
7537};
7538
7539static const struct iw_handler_def airo_handler_def =
7540{
ff8ac609
DC		 7541 .num_standard = ARRAY_SIZE(airo_handler),
7542 .num_private = ARRAY_SIZE(airo_private_handler),
7543 .num_private_args = ARRAY_SIZE(airo_private_args),
1da177e4
LT		 7544 .standard = airo_handler,
7545 .private = airo_private_handler,
7546 .private_args = airo_private_args,
7547 .get_wireless_stats = airo_get_wireless_stats,
7548};
7549
1da177e4
LT		 7550/*
7551 * This defines the configuration part of the Wireless Extensions
7552 * Note : irq and spinlock protection will occur in the subroutines
7553 *
7554 * TODO :
7555 * o Check input value more carefully and fill correct values in range
7556 * o Test and shakeout the bugs (if any)
7557 *
7558 * Jean II
7559 *
7560 * Javier Achirica did a great job of merging code from the unnamed CISCO
7561 * developer that added support for flashing the card.
7562 */
7563static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7564{
7565 int rc = 0;
7566 struct airo_info *ai = (struct airo_info *)dev->priv;
7567
ca078bae 7568 if (ai->power.event)
1da177e4
LT		 7569 return 0;
7570
7571 switch (cmd) {
7572#ifdef CISCO_EXT
7573 case AIROIDIFC:
7574#ifdef AIROOLDIDIFC
7575 case AIROOLDIDIFC:
7576#endif
7577 {
7578 int val = AIROMAGIC;
7579 aironet_ioctl com;
7580 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7581 rc = -EFAULT;
7582 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7583 rc = -EFAULT;
7584 }
7585 break;
7586
7587 case AIROIOCTL:
7588#ifdef AIROOLDIOCTL
7589 case AIROOLDIOCTL:
7590#endif
7591 /* Get the command struct and hand it off for evaluation by
7592 * the proper subfunction
7593 */
7594 {
7595 aironet_ioctl com;
7596 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7597 rc = -EFAULT;
7598 break;
7599 }
7600
7601 /* Separate R/W functions bracket legality here
7602 */
7603 if ( com.command == AIRORSWVERSION ) {
7604 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7605 rc = -EFAULT;
7606 else
7607 rc = 0;
7608 }
7609 else if ( com.command <= AIRORRID)
7610 rc = readrids(dev,&com);
7611 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7612 rc = writerids(dev,&com);
7613 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7614 rc = flashcard(dev,&com);
7615 else
7616 rc = -EINVAL; /* Bad command in ioctl */
7617 }
7618 break;
7619#endif /* CISCO_EXT */
7620
7621 // All other calls are currently unsupported
7622 default:
7623 rc = -EOPNOTSUPP;
7624 }
7625 return rc;
7626}
7627
1da177e4
LT		 7628/*
7629 * Get the Wireless stats out of the driver
7630 * Note : irq and spinlock protection will occur in the subroutines
7631 *
7632 * TODO :
7633 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7634 *
7635 * Jean
7636 */
7637static void airo_read_wireless_stats(struct airo_info *local)
7638{
7639 StatusRid status_rid;
7640 StatsRid stats_rid;
7641 CapabilityRid cap_rid;
7642 u32 *vals = stats_rid.vals;
7643
7644 /* Get stats out of the card */
3c304956 7645 clear_bit(JOB_WSTATS, &local->jobs);
ca078bae 7646 if (local->power.event) {
1da177e4
LT		 7647 up(&local->sem);
7648 return;
7649 }
7650 readCapabilityRid(local, &cap_rid, 0);
7651 readStatusRid(local, &status_rid, 0);
7652 readStatsRid(local, &stats_rid, RID_STATS, 0);
7653 up(&local->sem);
7654
7655 /* The status */
7656 local->wstats.status = status_rid.mode;
7657
41480af2
DW		 7658 /* Signal quality and co */
7659 if (local->rssi) {
7660 local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
7661 /* normalizedSignalStrength appears to be a percentage */
7662 local->wstats.qual.qual = status_rid.normalizedSignalStrength;
7663 } else {
1da177e4 7664 local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
41480af2
DW		 7665 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7666 }
1da177e4 7667 if (status_rid.len >= 124) {
41480af2 7668 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
ce6623c3 7669 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
1da177e4
LT		 7670 } else {
7671 local->wstats.qual.noise = 0;
ce6623c3 7672 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
1da177e4
LT		 7673 }
7674
7675 /* Packets discarded in the wireless adapter due to wireless
7676 * specific problems */
7677 local->wstats.discard.nwid = vals[56] + vals[57] + vals[58];/* SSID Mismatch */
7678 local->wstats.discard.code = vals[6];/* RxWepErr */
7679 local->wstats.discard.fragment = vals[30];
7680 local->wstats.discard.retries = vals[10];
7681 local->wstats.discard.misc = vals[1] + vals[32];
7682 local->wstats.miss.beacon = vals[34];
7683}
7684
ff1d2767 7685static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
1da177e4
LT		 7686{
7687 struct airo_info *local = dev->priv;
7688
3c304956 7689 if (!test_bit(JOB_WSTATS, &local->jobs)) {
1da177e4
LT		 7690 /* Get stats out of the card if available */
7691 if (down_trylock(&local->sem) != 0) {
3c304956 7692 set_bit(JOB_WSTATS, &local->jobs);
1da177e4
LT		 7693 wake_up_interruptible(&local->thr_wait);
7694 } else
7695 airo_read_wireless_stats(local);
7696 }
7697
7698 return &local->wstats;
7699}
1da177e4
LT		 7700
7701#ifdef CISCO_EXT
7702/*
7703 * This just translates from driver IOCTL codes to the command codes to
7704 * feed to the radio's host interface. Things can be added/deleted
7705 * as needed. This represents the READ side of control I/O to
7706 * the card
7707 */
7708static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7709 unsigned short ridcode;
7710 unsigned char *iobuf;
7711 int len;
7712 struct airo_info *ai = dev->priv;
1da177e4
LT		 7713
7714 if (test_bit(FLAG_FLASHING, &ai->flags))
7715 return -EIO;
7716
7717 switch(comp->command)
7718 {
7719 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7720 case AIROGCFG: ridcode = RID_CONFIG;
7721 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7722 disable_MAC (ai, 1);
7723 writeConfigRid (ai, 1);
175ec1a1 7724 enable_MAC(ai, 1);
1da177e4
LT		 7725 }
7726 break;
7727 case AIROGSLIST: ridcode = RID_SSID; break;
7728 case AIROGVLIST: ridcode = RID_APLIST; break;
7729 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7730 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7731 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7732 /* Only super-user can read WEP keys */
7733 if (!capable(CAP_NET_ADMIN))
7734 return -EPERM;
7735 break;
7736 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7737 /* Only super-user can read WEP keys */
7738 if (!capable(CAP_NET_ADMIN))
7739 return -EPERM;
7740 break;
7741 case AIROGSTAT: ridcode = RID_STATUS; break;
7742 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7743 case AIROGSTATSC32: ridcode = RID_STATS; break;
1da177e4
LT		 7744 case AIROGMICSTATS:
7745 if (copy_to_user(comp->data, &ai->micstats,
7746 min((int)comp->len,(int)sizeof(ai->micstats))))
7747 return -EFAULT;
7748 return 0;
1da177e4
LT		 7749 case AIRORRID: ridcode = comp->ridnum; break;
7750 default:
7751 return -EINVAL;
7752 break;
7753 }
7754
7755 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7756 return -ENOMEM;
7757
7758 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7759 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7760 * then return it to the user
7761 * 9/22/2000 Honor user given length
7762 */
7763 len = comp->len;
7764
7765 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7766 kfree (iobuf);
7767 return -EFAULT;
7768 }
7769 kfree (iobuf);
7770 return 0;
7771}
7772
7773/*
7774 * Danger Will Robinson write the rids here
7775 */
7776
7777static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7778 struct airo_info *ai = dev->priv;
7779 int ridcode;
1da177e4 7780 int enabled;
1da177e4
LT		 7781 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7782 unsigned char *iobuf;
7783
7784 /* Only super-user can write RIDs */
7785 if (!capable(CAP_NET_ADMIN))
7786 return -EPERM;
7787
7788 if (test_bit(FLAG_FLASHING, &ai->flags))
7789 return -EIO;
7790
7791 ridcode = 0;
7792 writer = do_writerid;
7793
7794 switch(comp->command)
7795 {
7796 case AIROPSIDS: ridcode = RID_SSID; break;
7797 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7798 case AIROPAPLIST: ridcode = RID_APLIST; break;
7799 case AIROPCFG: ai->config.len = 0;
7800 clear_bit(FLAG_COMMIT, &ai->flags);
7801 ridcode = RID_CONFIG; break;
7802 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7803 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7804 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7805 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7806 break;
7807 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7808 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7809
7810 /* this is not really a rid but a command given to the card
7811 * same with MAC off
7812 */
7813 case AIROPMACON:
175ec1a1 7814 if (enable_MAC(ai, 1) != 0)
1da177e4
LT		 7815 return -EIO;
7816 return 0;
7817
7818 /*
7819 * Evidently this code in the airo driver does not get a symbol
7820 * as disable_MAC. it's probably so short the compiler does not gen one.
7821 */
7822 case AIROPMACOFF:
7823 disable_MAC(ai, 1);
7824 return 0;
7825
7826 /* This command merely clears the counts does not actually store any data
7827 * only reads rid. But as it changes the cards state, I put it in the
7828 * writerid routines.
7829 */
7830 case AIROPSTCLR:
7831 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7832 return -ENOMEM;
7833
7834 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7835
1da177e4
LT		 7836 enabled = ai->micstats.enabled;
7837 memset(&ai->micstats,0,sizeof(ai->micstats));
7838 ai->micstats.enabled = enabled;
1da177e4
LT		 7839
7840 if (copy_to_user(comp->data, iobuf,
7841 min((int)comp->len, (int)RIDSIZE))) {
7842 kfree (iobuf);
7843 return -EFAULT;
7844 }
7845 kfree (iobuf);
7846 return 0;
7847
7848 default:
7849 return -EOPNOTSUPP; /* Blarg! */
7850 }
7851 if(comp->len > RIDSIZE)
7852 return -EINVAL;
7853
7854 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7855 return -ENOMEM;
7856
7857 if (copy_from_user(iobuf,comp->data,comp->len)) {
7858 kfree (iobuf);
7859 return -EFAULT;
7860 }
7861
7862 if (comp->command == AIROPCFG) {
7863 ConfigRid *cfg = (ConfigRid *)iobuf;
7864
7865 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
2ab1f519 7866 cfg->opmode |= cpu_to_le16(MODE_MIC);
1da177e4 7867
2ab1f519 7868 if ((le16_to_cpu(cfg->opmode) & 0xFF) == MODE_STA_IBSS)
1da177e4
LT		 7869 set_bit (FLAG_ADHOC, &ai->flags);
7870 else
7871 clear_bit (FLAG_ADHOC, &ai->flags);
7872 }
7873
7874 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7875 kfree (iobuf);
7876 return -EIO;
7877 }
7878 kfree (iobuf);
7879 return 0;
7880}
7881
7882/*****************************************************************************
7883 * Ancillary flash / mod functions much black magic lurkes here *
7884 *****************************************************************************
7885 */
7886
7887/*
7888 * Flash command switch table
7889 */
7890
ff1d2767 7891static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
1da177e4 7892 int z;
1da177e4
LT		 7893
7894 /* Only super-user can modify flash */
7895 if (!capable(CAP_NET_ADMIN))
7896 return -EPERM;
7897
7898 switch(comp->command)
7899 {
7900 case AIROFLSHRST:
7901 return cmdreset((struct airo_info *)dev->priv);
7902
7903 case AIROFLSHSTFL:
7904 if (!((struct airo_info *)dev->priv)->flash &&
7905 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7906 return -ENOMEM;
7907 return setflashmode((struct airo_info *)dev->priv);
7908
7909 case AIROFLSHGCHR: /* Get char from aux */
7910 if(comp->len != sizeof(int))
7911 return -EINVAL;
7912 if (copy_from_user(&z,comp->data,comp->len))
7913 return -EFAULT;
7914 return flashgchar((struct airo_info *)dev->priv,z,8000);
7915
7916 case AIROFLSHPCHR: /* Send char to card. */
7917 if(comp->len != sizeof(int))
7918 return -EINVAL;
7919 if (copy_from_user(&z,comp->data,comp->len))
7920 return -EFAULT;
7921 return flashpchar((struct airo_info *)dev->priv,z,8000);
7922
7923 case AIROFLPUTBUF: /* Send 32k to card */
7924 if (!((struct airo_info *)dev->priv)->flash)
7925 return -ENOMEM;
7926 if(comp->len > FLASHSIZE)
7927 return -EINVAL;
7928 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7929 return -EFAULT;
7930
7931 flashputbuf((struct airo_info *)dev->priv);
7932 return 0;
7933
7934 case AIRORESTART:
7935 if(flashrestart((struct airo_info *)dev->priv,dev))
7936 return -EIO;
7937 return 0;
7938 }
7939 return -EINVAL;
7940}
7941
7942#define FLASH_COMMAND 0x7e7e
7943
7944/*
7945 * STEP 1)
7946 * Disable MAC and do soft reset on
7947 * card.
7948 */
7949
ff1d2767 7950static int cmdreset(struct airo_info *ai) {
1da177e4
LT		 7951 disable_MAC(ai, 1);
7952
7953 if(!waitbusy (ai)){
934d8bf1 7954 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
1da177e4
LT		 7955 return -EBUSY;
7956 }
7957
7958 OUT4500(ai,COMMAND,CMD_SOFTRESET);
7959
7960 ssleep(1); /* WAS 600 12/7/00 */
7961
7962 if(!waitbusy (ai)){
934d8bf1 7963 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
1da177e4
LT		 7964 return -EBUSY;
7965 }
7966 return 0;
7967}
7968
7969/* STEP 2)
7970 * Put the card in legendary flash
7971 * mode
7972 */
7973
ff1d2767 7974static int setflashmode (struct airo_info *ai) {
1da177e4
LT		 7975 set_bit (FLAG_FLASHING, &ai->flags);
7976
7977 OUT4500(ai, SWS0, FLASH_COMMAND);
7978 OUT4500(ai, SWS1, FLASH_COMMAND);
7979 if (probe) {
7980 OUT4500(ai, SWS0, FLASH_COMMAND);
7981 OUT4500(ai, COMMAND,0x10);
7982 } else {
7983 OUT4500(ai, SWS2, FLASH_COMMAND);
7984 OUT4500(ai, SWS3, FLASH_COMMAND);
7985 OUT4500(ai, COMMAND,0);
7986 }
7987 msleep(500); /* 500ms delay */
7988
7989 if(!waitbusy(ai)) {
7990 clear_bit (FLAG_FLASHING, &ai->flags);
934d8bf1 7991 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
1da177e4
LT		 7992 return -EIO;
7993 }
7994 return 0;
7995}
7996
7997/* Put character to SWS0 wait for dwelltime
7998 * x 50us for echo .
7999 */
8000
ff1d2767 8001static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
1da177e4
LT		 8002 int echo;
8003 int waittime;
8004
8005 byte |= 0x8000;
8006
8007 if(dwelltime == 0 )
8008 dwelltime = 200;
8009
8010 waittime=dwelltime;
8011
8012 /* Wait for busy bit d15 to go false indicating buffer empty */
8013 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8014 udelay (50);
8015 waittime -= 50;
8016 }
8017
8018 /* timeout for busy clear wait */
8019 if(waittime <= 0 ){
934d8bf1 8020 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
1da177e4
LT		 8021 return -EBUSY;
8022 }
8023
8024 /* Port is clear now write byte and wait for it to echo back */
8025 do {
8026 OUT4500(ai,SWS0,byte);
8027 udelay(50);
8028 dwelltime -= 50;
8029 echo = IN4500(ai,SWS1);
8030 } while (dwelltime >= 0 && echo != byte);
8031
8032 OUT4500(ai,SWS1,0);
8033
8034 return (echo == byte) ? 0 : -EIO;
8035}
8036
8037/*
8038 * Get a character from the card matching matchbyte
8039 * Step 3)
8040 */
ff1d2767 8041static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
1da177e4
LT		 8042 int rchar;
8043 unsigned char rbyte=0;
8044
8045 do {
8046 rchar = IN4500(ai,SWS1);
8047
8048 if(dwelltime && !(0x8000 & rchar)){
8049 dwelltime -= 10;
8050 mdelay(10);
8051 continue;
8052 }
8053 rbyte = 0xff & rchar;
8054
8055 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8056 OUT4500(ai,SWS1,0);
8057 return 0;
8058 }
8059 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8060 break;
8061 OUT4500(ai,SWS1,0);
8062
8063 }while(dwelltime > 0);
8064 return -EIO;
8065}
8066
8067/*
8068 * Transfer 32k of firmware data from user buffer to our buffer and
8069 * send to the card
8070 */
8071
ff1d2767 8072static int flashputbuf(struct airo_info *ai){
1da177e4
LT		 8073 int nwords;
8074
8075 /* Write stuff */
8076 if (test_bit(FLAG_MPI,&ai->flags))
8077 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8078 else {
8079 OUT4500(ai,AUXPAGE,0x100);
8080 OUT4500(ai,AUXOFF,0);
8081
8082 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8083 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8084 }
8085 }
8086 OUT4500(ai,SWS0,0x8000);
8087
8088 return 0;
8089}
8090
8091/*
8092 *
8093 */
ff1d2767 8094static int flashrestart(struct airo_info *ai,struct net_device *dev){
1da177e4
LT		 8095 int i,status;
8096
8097 ssleep(1); /* Added 12/7/00 */
8098 clear_bit (FLAG_FLASHING, &ai->flags);
8099 if (test_bit(FLAG_MPI, &ai->flags)) {
8100 status = mpi_init_descriptors(ai);
8101 if (status != SUCCESS)
8102 return status;
8103 }
8104 status = setup_card(ai, dev->dev_addr, 1);
8105
8106 if (!test_bit(FLAG_MPI,&ai->flags))
8107 for( i = 0; i < MAX_FIDS; i++ ) {
8108 ai->fids[i] = transmit_allocate
15db2763 8109 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
1da177e4
LT		 8110 }
8111
8112 ssleep(1); /* Added 12/7/00 */
8113 return status;
8114}
8115#endif /* CISCO_EXT */
8116
8117/*
8118 This program is free software; you can redistribute it and/or
8119 modify it under the terms of the GNU General Public License
8120 as published by the Free Software Foundation; either version 2
8121 of the License, or (at your option) any later version.
8122
8123 This program is distributed in the hope that it will be useful,
8124 but WITHOUT ANY WARRANTY; without even the implied warranty of
8125 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8126 GNU General Public License for more details.
8127
8128 In addition:
8129
8130 Redistribution and use in source and binary forms, with or without
8131 modification, are permitted provided that the following conditions
8132 are met:
8133
8134 1. Redistributions of source code must retain the above copyright
8135 notice, this list of conditions and the following disclaimer.
8136 2. Redistributions in binary form must reproduce the above copyright
8137 notice, this list of conditions and the following disclaimer in the
8138 documentation and/or other materials provided with the distribution.
8139 3. The name of the author may not be used to endorse or promote
8140 products derived from this software without specific prior written
8141 permission.
8142
8143 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8144 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8145 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8146 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8147 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8148 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8149 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8150 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8151 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8152 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8153 POSSIBILITY OF SUCH DAMAGE.
8154*/
8155
8156module_init(airo_init_module);
8157module_exit(airo_cleanup_module);
Linux kernel - Deliverables
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