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
22#include <linux/err.h>
23#include <linux/init.h>
24
25#include <linux/kernel.h>
26#include <linux/module.h>
27#include <linux/proc_fs.h>
28
29#include <linux/sched.h>
30#include <linux/ptrace.h>
31#include <linux/slab.h>
32#include <linux/string.h>
33#include <linux/timer.h>
34#include <linux/interrupt.h>
35#include <linux/in.h>
36#include <linux/bitops.h>
37#include <linux/scatterlist.h>
38#include <linux/crypto.h>
39#include <linux/io.h>
40#include <asm/unaligned.h>
41
42#include <linux/netdevice.h>
43#include <linux/etherdevice.h>
44#include <linux/skbuff.h>
45#include <linux/if_arp.h>
46#include <linux/ioport.h>
47#include <linux/pci.h>
48#include <linux/uaccess.h>
49#include <linux/kthread.h>
50#include <linux/freezer.h>
51
52#include <net/cfg80211.h>
53#include <net/iw_handler.h>
54
55#include "airo.h"
56
57#define DRV_NAME "airo"
58
59#ifdef CONFIG_PCI
60static const struct pci_device_id card_ids[] = {
61	{ 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
62	{ 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
63	{ 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
64	{ 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
65	{ 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
66	{ 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
67	{ 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
68	{ 0, }
69};
70MODULE_DEVICE_TABLE(pci, card_ids);
71
72static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
73static void airo_pci_remove(struct pci_dev *);
74static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
75static int airo_pci_resume(struct pci_dev *pdev);
76
77static struct pci_driver airo_driver = {
78	.name     = DRV_NAME,
79	.id_table = card_ids,
80	.probe    = airo_pci_probe,
81	.remove   = airo_pci_remove,
82	.suspend  = airo_pci_suspend,
83	.resume   = airo_pci_resume,
84};
85#endif /* CONFIG_PCI */
86
87/* Include Wireless Extension definition and check version - Jean II */
88#include <linux/wireless.h>
89#define WIRELESS_SPY		/* enable iwspy support */
90
91#define CISCO_EXT		/* enable Cisco extensions */
92#ifdef CISCO_EXT
93#include <linux/delay.h>
94#endif
95
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 const 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 char *ssids[3];
219
220static int io[4];
221static int irq[4];
222
223static
224int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
225		       0 means no limit.  For old cards this was 4 */
226
227static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
228static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
229		    the bap, needed on some older cards and buses. */
230static int adhoc;
231
232static int probe = 1;
233
234static kuid_t proc_kuid;
235static int proc_uid /* = 0 */;
236
237static kgid_t proc_kgid;
238static int proc_gid /* = 0 */;
239
240static int airo_perm = 0555;
241
242static int proc_perm = 0644;
243
244MODULE_AUTHOR("Benjamin Reed");
245MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet cards.  "
246		   "Direct support for ISA/PCI/MPI cards and support for PCMCIA when used with airo_cs.");
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_array(rates, int, NULL, 0);
252module_param_array(ssids, charp, NULL, 0);
253module_param(auto_wep, int, 0);
254MODULE_PARM_DESC(auto_wep,
255		 "If non-zero, the driver will keep looping through the authentication options until an association is made.  "
256		 "The value of auto_wep is number of the wep keys to check.  "
257		 "A value of 2 will try using the key at index 0 and index 1.");
258module_param(aux_bap, int, 0);
259MODULE_PARM_DESC(aux_bap,
260		 "If non-zero, the driver will switch into a mode that seems to work better for older cards with some older buses.  "
261		 "Before switching it checks that the switch is needed.");
262module_param(maxencrypt, int, 0);
263MODULE_PARM_DESC(maxencrypt,
264		 "The maximum speed that the card can do encryption.  "
265		 "Units are in 512kbs.  "
266		 "Zero (default) means there is no limit.  "
267		 "Older cards used to be limited to 2mbs (4).");
268module_param(adhoc, int, 0);
269MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
270module_param(probe, int, 0);
271MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
272
273module_param(proc_uid, int, 0);
274MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
275module_param(proc_gid, int, 0);
276MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
277module_param(airo_perm, int, 0);
278MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
279module_param(proc_perm, int, 0);
280MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
281
282/* This is a kind of sloppy hack to get this information to OUT4500 and
283   IN4500.  I would be extremely interested in the situation where this
284   doesn't work though!!! */
285static int do8bitIO /* = 0 */;
286
287/* Return codes */
288#define SUCCESS 0
289#define ERROR -1
290#define NO_PACKET -2
291
292/* Commands */
293#define NOP2		0x0000
294#define MAC_ENABLE	0x0001
295#define MAC_DISABLE	0x0002
296#define CMD_LOSE_SYNC	0x0003 /* Not sure what this does... */
297#define CMD_SOFTRESET	0x0004
298#define HOSTSLEEP	0x0005
299#define CMD_MAGIC_PKT	0x0006
300#define CMD_SETWAKEMASK	0x0007
301#define CMD_READCFG	0x0008
302#define CMD_SETMODE	0x0009
303#define CMD_ALLOCATETX	0x000a
304#define CMD_TRANSMIT	0x000b
305#define CMD_DEALLOCATETX 0x000c
306#define NOP		0x0010
307#define CMD_WORKAROUND	0x0011
308#define CMD_ALLOCATEAUX 0x0020
309#define CMD_ACCESS	0x0021
310#define CMD_PCIBAP	0x0022
311#define CMD_PCIAUX	0x0023
312#define CMD_ALLOCBUF	0x0028
313#define CMD_GETTLV	0x0029
314#define CMD_PUTTLV	0x002a
315#define CMD_DELTLV	0x002b
316#define CMD_FINDNEXTTLV	0x002c
317#define CMD_PSPNODES	0x0030
318#define CMD_SETCW	0x0031
319#define CMD_SETPCF	0x0032
320#define CMD_SETPHYREG	0x003e
321#define CMD_TXTEST	0x003f
322#define MAC_ENABLETX	0x0101
323#define CMD_LISTBSS	0x0103
324#define CMD_SAVECFG	0x0108
325#define CMD_ENABLEAUX	0x0111
326#define CMD_WRITERID	0x0121
327#define CMD_USEPSPNODES	0x0130
328#define MAC_ENABLERX	0x0201
329
330/* Command errors */
331#define ERROR_QUALIF 0x00
332#define ERROR_ILLCMD 0x01
333#define ERROR_ILLFMT 0x02
334#define ERROR_INVFID 0x03
335#define ERROR_INVRID 0x04
336#define ERROR_LARGE 0x05
337#define ERROR_NDISABL 0x06
338#define ERROR_ALLOCBSY 0x07
339#define ERROR_NORD 0x0B
340#define ERROR_NOWR 0x0C
341#define ERROR_INVFIDTX 0x0D
342#define ERROR_TESTACT 0x0E
343#define ERROR_TAGNFND 0x12
344#define ERROR_DECODE 0x20
345#define ERROR_DESCUNAV 0x21
346#define ERROR_BADLEN 0x22
347#define ERROR_MODE 0x80
348#define ERROR_HOP 0x81
349#define ERROR_BINTER 0x82
350#define ERROR_RXMODE 0x83
351#define ERROR_MACADDR 0x84
352#define ERROR_RATES 0x85
353#define ERROR_ORDER 0x86
354#define ERROR_SCAN 0x87
355#define ERROR_AUTH 0x88
356#define ERROR_PSMODE 0x89
357#define ERROR_RTYPE 0x8A
358#define ERROR_DIVER 0x8B
359#define ERROR_SSID 0x8C
360#define ERROR_APLIST 0x8D
361#define ERROR_AUTOWAKE 0x8E
362#define ERROR_LEAP 0x8F
363
364/* Registers */
365#define COMMAND 0x00
366#define PARAM0 0x02
367#define PARAM1 0x04
368#define PARAM2 0x06
369#define STATUS 0x08
370#define RESP0 0x0a
371#define RESP1 0x0c
372#define RESP2 0x0e
373#define LINKSTAT 0x10
374#define SELECT0 0x18
375#define OFFSET0 0x1c
376#define RXFID 0x20
377#define TXALLOCFID 0x22
378#define TXCOMPLFID 0x24
379#define DATA0 0x36
380#define EVSTAT 0x30
381#define EVINTEN 0x32
382#define EVACK 0x34
383#define SWS0 0x28
384#define SWS1 0x2a
385#define SWS2 0x2c
386#define SWS3 0x2e
387#define AUXPAGE 0x3A
388#define AUXOFF 0x3C
389#define AUXDATA 0x3E
390
391#define FID_TX 1
392#define FID_RX 2
393/* Offset into aux memory for descriptors */
394#define AUX_OFFSET 0x800
395/* Size of allocated packets */
396#define PKTSIZE 1840
397#define RIDSIZE 2048
398/* Size of the transmit queue */
399#define MAXTXQ 64
400
401/* BAP selectors */
402#define BAP0 0 /* Used for receiving packets */
403#define BAP1 2 /* Used for xmiting packets and working with RIDS */
404
405/* Flags */
406#define COMMAND_BUSY 0x8000
407
408#define BAP_BUSY 0x8000
409#define BAP_ERR 0x4000
410#define BAP_DONE 0x2000
411
412#define PROMISC 0xffff
413#define NOPROMISC 0x0000
414
415#define EV_CMD 0x10
416#define EV_CLEARCOMMANDBUSY 0x4000
417#define EV_RX 0x01
418#define EV_TX 0x02
419#define EV_TXEXC 0x04
420#define EV_ALLOC 0x08
421#define EV_LINK 0x80
422#define EV_AWAKE 0x100
423#define EV_TXCPY 0x400
424#define EV_UNKNOWN 0x800
425#define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
426#define EV_AWAKEN 0x2000
427#define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
428
429#ifdef CHECK_UNKNOWN_INTS
430#define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
431#else
432#define IGNORE_INTS (~STATUS_INTS)
433#endif
434
435/* RID TYPES */
436#define RID_RW 0x20
437
438/* The RIDs */
439#define RID_CAPABILITIES 0xFF00
440#define RID_APINFO     0xFF01
441#define RID_RADIOINFO  0xFF02
442#define RID_UNKNOWN3   0xFF03
443#define RID_RSSI       0xFF04
444#define RID_CONFIG     0xFF10
445#define RID_SSID       0xFF11
446#define RID_APLIST     0xFF12
447#define RID_DRVNAME    0xFF13
448#define RID_ETHERENCAP 0xFF14
449#define RID_WEP_TEMP   0xFF15
450#define RID_WEP_PERM   0xFF16
451#define RID_MODULATION 0xFF17
452#define RID_OPTIONS    0xFF18
453#define RID_ACTUALCONFIG 0xFF20 /*readonly*/
454#define RID_FACTORYCONFIG 0xFF21
455#define RID_UNKNOWN22  0xFF22
456#define RID_LEAPUSERNAME 0xFF23
457#define RID_LEAPPASSWORD 0xFF24
458#define RID_STATUS     0xFF50
459#define RID_BEACON_HST 0xFF51
460#define RID_BUSY_HST   0xFF52
461#define RID_RETRIES_HST 0xFF53
462#define RID_UNKNOWN54  0xFF54
463#define RID_UNKNOWN55  0xFF55
464#define RID_UNKNOWN56  0xFF56
465#define RID_MIC        0xFF57
466#define RID_STATS16    0xFF60
467#define RID_STATS16DELTA 0xFF61
468#define RID_STATS16DELTACLEAR 0xFF62
469#define RID_STATS      0xFF68
470#define RID_STATSDELTA 0xFF69
471#define RID_STATSDELTACLEAR 0xFF6A
472#define RID_ECHOTEST_RID 0xFF70
473#define RID_ECHOTEST_RESULTS 0xFF71
474#define RID_BSSLISTFIRST 0xFF72
475#define RID_BSSLISTNEXT  0xFF73
476#define RID_WPA_BSSLISTFIRST 0xFF74
477#define RID_WPA_BSSLISTNEXT  0xFF75
478
479typedef struct {
480	u16 cmd;
481	u16 parm0;
482	u16 parm1;
483	u16 parm2;
484} Cmd;
485
486typedef struct {
487	u16 status;
488	u16 rsp0;
489	u16 rsp1;
490	u16 rsp2;
491} Resp;
492
493/*
494 * Rids and endian-ness:  The Rids will always be in cpu endian, since
495 * this all the patches from the big-endian guys end up doing that.
496 * so all rid access should use the read/writeXXXRid routines.
497 */
498
499/* This structure came from an email sent to me from an engineer at
500   aironet for inclusion into this driver */
501typedef struct WepKeyRid WepKeyRid;
502struct WepKeyRid {
503	__le16 len;
504	__le16 kindex;
505	u8 mac[ETH_ALEN];
506	__le16 klen;
507	u8 key[16];
508} __packed;
509
510/* These structures are from the Aironet's PC4500 Developers Manual */
511typedef struct Ssid Ssid;
512struct Ssid {
513	__le16 len;
514	u8 ssid[32];
515} __packed;
516
517typedef struct SsidRid SsidRid;
518struct SsidRid {
519	__le16 len;
520	Ssid ssids[3];
521} __packed;
522
523typedef struct ModulationRid ModulationRid;
524struct ModulationRid {
525        __le16 len;
526        __le16 modulation;
527#define MOD_DEFAULT cpu_to_le16(0)
528#define MOD_CCK cpu_to_le16(1)
529#define MOD_MOK cpu_to_le16(2)
530} __packed;
531
532typedef struct ConfigRid ConfigRid;
533struct ConfigRid {
534	__le16 len; /* sizeof(ConfigRid) */
535	__le16 opmode; /* operating mode */
536#define MODE_STA_IBSS cpu_to_le16(0)
537#define MODE_STA_ESS cpu_to_le16(1)
538#define MODE_AP cpu_to_le16(2)
539#define MODE_AP_RPTR cpu_to_le16(3)
540#define MODE_CFG_MASK cpu_to_le16(0xff)
541#define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
542#define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
543#define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
544#define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
545#define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
546#define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
547#define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
548#define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
549#define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
550	__le16 rmode; /* receive mode */
551#define RXMODE_BC_MC_ADDR cpu_to_le16(0)
552#define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
553#define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
554#define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
555#define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
556#define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
557#define RXMODE_MASK cpu_to_le16(255)
558#define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
559#define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
560#define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
561	__le16 fragThresh;
562	__le16 rtsThres;
563	u8 macAddr[ETH_ALEN];
564	u8 rates[8];
565	__le16 shortRetryLimit;
566	__le16 longRetryLimit;
567	__le16 txLifetime; /* in kusec */
568	__le16 rxLifetime; /* in kusec */
569	__le16 stationary;
570	__le16 ordering;
571	__le16 u16deviceType; /* for overriding device type */
572	__le16 cfpRate;
573	__le16 cfpDuration;
574	__le16 _reserved1[3];
575	/*---------- Scanning/Associating ----------*/
576	__le16 scanMode;
577#define SCANMODE_ACTIVE cpu_to_le16(0)
578#define SCANMODE_PASSIVE cpu_to_le16(1)
579#define SCANMODE_AIROSCAN cpu_to_le16(2)
580	__le16 probeDelay; /* in kusec */
581	__le16 probeEnergyTimeout; /* in kusec */
582        __le16 probeResponseTimeout;
583	__le16 beaconListenTimeout;
584	__le16 joinNetTimeout;
585	__le16 authTimeout;
586	__le16 authType;
587#define AUTH_OPEN cpu_to_le16(0x1)
588#define AUTH_ENCRYPT cpu_to_le16(0x101)
589#define AUTH_SHAREDKEY cpu_to_le16(0x102)
590#define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
591	__le16 associationTimeout;
592	__le16 specifiedApTimeout;
593	__le16 offlineScanInterval;
594	__le16 offlineScanDuration;
595	__le16 linkLossDelay;
596	__le16 maxBeaconLostTime;
597	__le16 refreshInterval;
598#define DISABLE_REFRESH cpu_to_le16(0xFFFF)
599	__le16 _reserved1a[1];
600	/*---------- Power save operation ----------*/
601	__le16 powerSaveMode;
602#define POWERSAVE_CAM cpu_to_le16(0)
603#define POWERSAVE_PSP cpu_to_le16(1)
604#define POWERSAVE_PSPCAM cpu_to_le16(2)
605	__le16 sleepForDtims;
606	__le16 listenInterval;
607	__le16 fastListenInterval;
608	__le16 listenDecay;
609	__le16 fastListenDelay;
610	__le16 _reserved2[2];
611	/*---------- Ap/Ibss config items ----------*/
612	__le16 beaconPeriod;
613	__le16 atimDuration;
614	__le16 hopPeriod;
615	__le16 channelSet;
616	__le16 channel;
617	__le16 dtimPeriod;
618	__le16 bridgeDistance;
619	__le16 radioID;
620	/*---------- Radio configuration ----------*/
621	__le16 radioType;
622#define RADIOTYPE_DEFAULT cpu_to_le16(0)
623#define RADIOTYPE_802_11 cpu_to_le16(1)
624#define RADIOTYPE_LEGACY cpu_to_le16(2)
625	u8 rxDiversity;
626	u8 txDiversity;
627	__le16 txPower;
628#define TXPOWER_DEFAULT 0
629	__le16 rssiThreshold;
630#define RSSI_DEFAULT 0
631        __le16 modulation;
632#define PREAMBLE_AUTO cpu_to_le16(0)
633#define PREAMBLE_LONG cpu_to_le16(1)
634#define PREAMBLE_SHORT cpu_to_le16(2)
635	__le16 preamble;
636	__le16 homeProduct;
637	__le16 radioSpecific;
638	/*---------- Aironet Extensions ----------*/
639	u8 nodeName[16];
640	__le16 arlThreshold;
641	__le16 arlDecay;
642	__le16 arlDelay;
643	__le16 _reserved4[1];
644	/*---------- Aironet Extensions ----------*/
645	u8 magicAction;
646#define MAGIC_ACTION_STSCHG 1
647#define MAGIC_ACTION_RESUME 2
648#define MAGIC_IGNORE_MCAST (1<<8)
649#define MAGIC_IGNORE_BCAST (1<<9)
650#define MAGIC_SWITCH_TO_PSP (0<<10)
651#define MAGIC_STAY_IN_CAM (1<<10)
652	u8 magicControl;
653	__le16 autoWake;
654} __packed;
655
656typedef struct StatusRid StatusRid;
657struct StatusRid {
658	__le16 len;
659	u8 mac[ETH_ALEN];
660	__le16 mode;
661	__le16 errorCode;
662	__le16 sigQuality;
663	__le16 SSIDlen;
664	char SSID[32];
665	char apName[16];
666	u8 bssid[4][ETH_ALEN];
667	__le16 beaconPeriod;
668	__le16 dimPeriod;
669	__le16 atimDuration;
670	__le16 hopPeriod;
671	__le16 channelSet;
672	__le16 channel;
673	__le16 hopsToBackbone;
674	__le16 apTotalLoad;
675	__le16 generatedLoad;
676	__le16 accumulatedArl;
677	__le16 signalQuality;
678	__le16 currentXmitRate;
679	__le16 apDevExtensions;
680	__le16 normalizedSignalStrength;
681	__le16 shortPreamble;
682	u8 apIP[4];
683	u8 noisePercent; /* Noise percent in last second */
684	u8 noisedBm; /* Noise dBm in last second */
685	u8 noiseAvePercent; /* Noise percent in last minute */
686	u8 noiseAvedBm; /* Noise dBm in last minute */
687	u8 noiseMaxPercent; /* Highest noise percent in last minute */
688	u8 noiseMaxdBm; /* Highest noise dbm in last minute */
689	__le16 load;
690	u8 carrier[4];
691	__le16 assocStatus;
692#define STAT_NOPACKETS 0
693#define STAT_NOCARRIERSET 10
694#define STAT_GOTCARRIERSET 11
695#define STAT_WRONGSSID 20
696#define STAT_BADCHANNEL 25
697#define STAT_BADBITRATES 30
698#define STAT_BADPRIVACY 35
699#define STAT_APFOUND 40
700#define STAT_APREJECTED 50
701#define STAT_AUTHENTICATING 60
702#define STAT_DEAUTHENTICATED 61
703#define STAT_AUTHTIMEOUT 62
704#define STAT_ASSOCIATING 70
705#define STAT_DEASSOCIATED 71
706#define STAT_ASSOCTIMEOUT 72
707#define STAT_NOTAIROAP 73
708#define STAT_ASSOCIATED 80
709#define STAT_LEAPING 90
710#define STAT_LEAPFAILED 91
711#define STAT_LEAPTIMEDOUT 92
712#define STAT_LEAPCOMPLETE 93
713} __packed;
714
715typedef struct StatsRid StatsRid;
716struct StatsRid {
717	__le16 len;
718	__le16 spacer;
719	__le32 vals[100];
720} __packed;
721
722typedef struct APListRid APListRid;
723struct APListRid {
724	__le16 len;
725	u8 ap[4][ETH_ALEN];
726} __packed;
727
728typedef struct CapabilityRid CapabilityRid;
729struct CapabilityRid {
730	__le16 len;
731	char oui[3];
732	char zero;
733	__le16 prodNum;
734	char manName[32];
735	char prodName[16];
736	char prodVer[8];
737	char factoryAddr[ETH_ALEN];
738	char aironetAddr[ETH_ALEN];
739	__le16 radioType;
740	__le16 country;
741	char callid[ETH_ALEN];
742	char supportedRates[8];
743	char rxDiversity;
744	char txDiversity;
745	__le16 txPowerLevels[8];
746	__le16 hardVer;
747	__le16 hardCap;
748	__le16 tempRange;
749	__le16 softVer;
750	__le16 softSubVer;
751	__le16 interfaceVer;
752	__le16 softCap;
753	__le16 bootBlockVer;
754	__le16 requiredHard;
755	__le16 extSoftCap;
756} __packed;
757
758/* Only present on firmware >= 5.30.17 */
759typedef struct BSSListRidExtra BSSListRidExtra;
760struct BSSListRidExtra {
761  __le16 unknown[4];
762  u8 fixed[12]; /* WLAN management frame */
763  u8 iep[624];
764} __packed;
765
766typedef struct BSSListRid BSSListRid;
767struct BSSListRid {
768  __le16 len;
769  __le16 index; /* First is 0 and 0xffff means end of list */
770#define RADIO_FH 1 /* Frequency hopping radio type */
771#define RADIO_DS 2 /* Direct sequence radio type */
772#define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
773  __le16 radioType;
774  u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
775  u8 zero;
776  u8 ssidLen;
777  u8 ssid[32];
778  __le16 dBm;
779#define CAP_ESS cpu_to_le16(1<<0)
780#define CAP_IBSS cpu_to_le16(1<<1)
781#define CAP_PRIVACY cpu_to_le16(1<<4)
782#define CAP_SHORTHDR cpu_to_le16(1<<5)
783  __le16 cap;
784  __le16 beaconInterval;
785  u8 rates[8]; /* Same as rates for config rid */
786  struct { /* For frequency hopping only */
787    __le16 dwell;
788    u8 hopSet;
789    u8 hopPattern;
790    u8 hopIndex;
791    u8 fill;
792  } fh;
793  __le16 dsChannel;
794  __le16 atimWindow;
795
796  /* Only present on firmware >= 5.30.17 */
797  BSSListRidExtra extra;
798} __packed;
799
800typedef struct {
801  BSSListRid bss;
802  struct list_head list;
803} BSSListElement;
804
805typedef struct tdsRssiEntry tdsRssiEntry;
806struct tdsRssiEntry {
807  u8 rssipct;
808  u8 rssidBm;
809} __packed;
810
811typedef struct tdsRssiRid tdsRssiRid;
812struct tdsRssiRid {
813  u16 len;
814  tdsRssiEntry x[256];
815} __packed;
816
817typedef struct MICRid MICRid;
818struct MICRid {
819	__le16 len;
820	__le16 state;
821	__le16 multicastValid;
822	u8  multicast[16];
823	__le16 unicastValid;
824	u8  unicast[16];
825} __packed;
826
827typedef struct MICBuffer MICBuffer;
828struct MICBuffer {
829	__be16 typelen;
830
831	union {
832	    u8 snap[8];
833	    struct {
834		u8 dsap;
835		u8 ssap;
836		u8 control;
837		u8 orgcode[3];
838		u8 fieldtype[2];
839	    } llc;
840	} u;
841	__be32 mic;
842	__be32 seq;
843} __packed;
844
845typedef struct {
846	u8 da[ETH_ALEN];
847	u8 sa[ETH_ALEN];
848} etherHead;
849
850#define TXCTL_TXOK (1<<1) /* report if tx is ok */
851#define TXCTL_TXEX (1<<2) /* report if tx fails */
852#define TXCTL_802_3 (0<<3) /* 802.3 packet */
853#define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
854#define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
855#define TXCTL_LLC (1<<4) /* payload is llc */
856#define TXCTL_RELEASE (0<<5) /* release after completion */
857#define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
858
859#define BUSY_FID 0x10000
860
861#ifdef CISCO_EXT
862#define AIROMAGIC	0xa55a
863/* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
864#ifdef SIOCIWFIRSTPRIV
865#ifdef SIOCDEVPRIVATE
866#define AIROOLDIOCTL	SIOCDEVPRIVATE
867#define AIROOLDIDIFC 	AIROOLDIOCTL + 1
868#endif /* SIOCDEVPRIVATE */
869#else /* SIOCIWFIRSTPRIV */
870#define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
871#endif /* SIOCIWFIRSTPRIV */
872/* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
873 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
874 * only and don't return the modified struct ifreq to the application which
875 * is usually a problem. - Jean II */
876#define AIROIOCTL	SIOCIWFIRSTPRIV
877#define AIROIDIFC 	AIROIOCTL + 1
878
879/* Ioctl constants to be used in airo_ioctl.command */
880
881#define	AIROGCAP  		0	// Capability rid
882#define AIROGCFG		1       // USED A LOT
883#define AIROGSLIST		2	// System ID list
884#define AIROGVLIST		3       // List of specified AP's
885#define AIROGDRVNAM		4	//  NOTUSED
886#define AIROGEHTENC		5	// NOTUSED
887#define AIROGWEPKTMP		6
888#define AIROGWEPKNV		7
889#define AIROGSTAT		8
890#define AIROGSTATSC32		9
891#define AIROGSTATSD32		10
892#define AIROGMICRID		11
893#define AIROGMICSTATS		12
894#define AIROGFLAGS		13
895#define AIROGID			14
896#define AIRORRID		15
897#define AIRORSWVERSION		17
898
899/* Leave gap of 40 commands after AIROGSTATSD32 for future */
900
901#define AIROPCAP               	AIROGSTATSD32 + 40
902#define AIROPVLIST              AIROPCAP      + 1
903#define AIROPSLIST		AIROPVLIST    + 1
904#define AIROPCFG		AIROPSLIST    + 1
905#define AIROPSIDS		AIROPCFG      + 1
906#define AIROPAPLIST		AIROPSIDS     + 1
907#define AIROPMACON		AIROPAPLIST   + 1	/* Enable mac  */
908#define AIROPMACOFF		AIROPMACON    + 1 	/* Disable mac */
909#define AIROPSTCLR		AIROPMACOFF   + 1
910#define AIROPWEPKEY		AIROPSTCLR    + 1
911#define AIROPWEPKEYNV		AIROPWEPKEY   + 1
912#define AIROPLEAPPWD            AIROPWEPKEYNV + 1
913#define AIROPLEAPUSR            AIROPLEAPPWD  + 1
914
915/* Flash codes */
916
917#define AIROFLSHRST	       AIROPWEPKEYNV  + 40
918#define AIROFLSHGCHR           AIROFLSHRST    + 1
919#define AIROFLSHSTFL           AIROFLSHGCHR   + 1
920#define AIROFLSHPCHR           AIROFLSHSTFL   + 1
921#define AIROFLPUTBUF           AIROFLSHPCHR   + 1
922#define AIRORESTART            AIROFLPUTBUF   + 1
923
924#define FLASHSIZE	32768
925#define AUXMEMSIZE	(256 * 1024)
926
927typedef struct aironet_ioctl {
928	unsigned short command;		// What to do
929	unsigned short len;		// Len of data
930	unsigned short ridnum;		// rid number
931	unsigned char __user *data;	// d-data
932} aironet_ioctl;
933
934static const char swversion[] = "2.1";
935#endif /* CISCO_EXT */
936
937#define NUM_MODULES       2
938#define MIC_MSGLEN_MAX    2400
939#define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
940#define AIRO_DEF_MTU      2312
941
942typedef struct {
943	u32   size;            // size
944	u8    enabled;         // MIC enabled or not
945	u32   rxSuccess;       // successful packets received
946	u32   rxIncorrectMIC;  // pkts dropped due to incorrect MIC comparison
947	u32   rxNotMICed;      // pkts dropped due to not being MIC'd
948	u32   rxMICPlummed;    // pkts dropped due to not having a MIC plummed
949	u32   rxWrongSequence; // pkts dropped due to sequence number violation
950	u32   reserve[32];
951} mic_statistics;
952
953typedef struct {
954	u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
955	u64 accum;	// accumulated mic, reduced to u32 in final()
956	int position;	// current position (byte offset) in message
957	union {
958		u8  d8[4];
959		__be32 d32;
960	} part;	// saves partial message word across update() calls
961} emmh32_context;
962
963typedef struct {
964	emmh32_context seed;	    // Context - the seed
965	u32		 rx;	    // Received sequence number
966	u32		 tx;	    // Tx sequence number
967	u32		 window;    // Start of window
968	u8		 valid;	    // Flag to say if context is valid or not
969	u8		 key[16];
970} miccntx;
971
972typedef struct {
973	miccntx mCtx;		// Multicast context
974	miccntx uCtx;		// Unicast context
975} mic_module;
976
977typedef struct {
978	unsigned int  rid: 16;
979	unsigned int  len: 15;
980	unsigned int  valid: 1;
981	dma_addr_t host_addr;
982} Rid;
983
984typedef struct {
985	unsigned int  offset: 15;
986	unsigned int  eoc: 1;
987	unsigned int  len: 15;
988	unsigned int  valid: 1;
989	dma_addr_t host_addr;
990} TxFid;
991
992struct rx_hdr {
993	__le16 status, len;
994	u8 rssi[2];
995	u8 rate;
996	u8 freq;
997	__le16 tmp[4];
998} __packed;
999
1000typedef struct {
1001	unsigned int  ctl: 15;
1002	unsigned int  rdy: 1;
1003	unsigned int  len: 15;
1004	unsigned int  valid: 1;
1005	dma_addr_t host_addr;
1006} RxFid;
1007
1008/*
1009 * Host receive descriptor
1010 */
1011typedef struct {
1012	unsigned char __iomem *card_ram_off; /* offset into card memory of the
1013						desc */
1014	RxFid         rx_desc;		     /* card receive descriptor */
1015	char          *virtual_host_addr;    /* virtual address of host receive
1016					        buffer */
1017	int           pending;
1018} HostRxDesc;
1019
1020/*
1021 * Host transmit descriptor
1022 */
1023typedef struct {
1024	unsigned char __iomem *card_ram_off;	     /* offset into card memory of the
1025						desc */
1026	TxFid         tx_desc;		     /* card transmit descriptor */
1027	char          *virtual_host_addr;    /* virtual address of host receive
1028					        buffer */
1029	int           pending;
1030} HostTxDesc;
1031
1032/*
1033 * Host RID descriptor
1034 */
1035typedef struct {
1036	unsigned char __iomem *card_ram_off;      /* offset into card memory of the
1037					     descriptor */
1038	Rid           rid_desc;		  /* card RID descriptor */
1039	char          *virtual_host_addr; /* virtual address of host receive
1040					     buffer */
1041} HostRidDesc;
1042
1043typedef struct {
1044	u16 sw0;
1045	u16 sw1;
1046	u16 status;
1047	u16 len;
1048#define HOST_SET (1 << 0)
1049#define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1050#define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1051#define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1052#define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1053#define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1054#define HOST_CLR_AID (1 << 7) /* clear AID failure */
1055#define HOST_RTS (1 << 9) /* Force RTS use */
1056#define HOST_SHORT (1 << 10) /* Do short preamble */
1057	u16 ctl;
1058	u16 aid;
1059	u16 retries;
1060	u16 fill;
1061} TxCtlHdr;
1062
1063typedef struct {
1064        u16 ctl;
1065        u16 duration;
1066        char addr1[6];
1067        char addr2[6];
1068        char addr3[6];
1069        u16 seq;
1070        char addr4[6];
1071} WifiHdr;
1072
1073
1074typedef struct {
1075	TxCtlHdr ctlhdr;
1076	u16 fill1;
1077	u16 fill2;
1078	WifiHdr wifihdr;
1079	u16 gaplen;
1080	u16 status;
1081} WifiCtlHdr;
1082
1083static WifiCtlHdr wifictlhdr8023 = {
1084	.ctlhdr = {
1085		.ctl	= HOST_DONT_RLSE,
1086	}
1087};
1088
1089// A few details needed for WEP (Wireless Equivalent Privacy)
1090#define MAX_KEY_SIZE 13			// 128 (?) bits
1091#define MIN_KEY_SIZE  5			// 40 bits RC4 - WEP
1092typedef struct wep_key_t {
1093	u16	len;
1094	u8	key[16];	/* 40-bit and 104-bit keys */
1095} wep_key_t;
1096
1097/* List of Wireless Handlers (new API) */
1098static const struct iw_handler_def	airo_handler_def;
1099
1100static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1101
1102struct airo_info;
1103
1104static int get_dec_u16( char *buffer, int *start, int limit );
1105static void OUT4500( struct airo_info *, u16 register, u16 value );
1106static unsigned short IN4500( struct airo_info *, u16 register );
1107static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1108static int enable_MAC(struct airo_info *ai, int lock);
1109static void disable_MAC(struct airo_info *ai, int lock);
1110static void enable_interrupts(struct airo_info*);
1111static void disable_interrupts(struct airo_info*);
1112static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1113static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1114static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1115			int whichbap);
1116static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1117			 int whichbap);
1118static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1119		     int whichbap);
1120static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1121static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1122static int PC4500_writerid(struct airo_info*, u16 rid, const void
1123			   *pBuf, int len, int lock);
1124static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1125			int len, int dummy );
1126static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1127static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1128static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1129
1130static int mpi_send_packet (struct net_device *dev);
1131static void mpi_unmap_card(struct pci_dev *pci);
1132static void mpi_receive_802_3(struct airo_info *ai);
1133static void mpi_receive_802_11(struct airo_info *ai);
1134static int waitbusy (struct airo_info *ai);
1135
1136static irqreturn_t airo_interrupt( int irq, void* dev_id);
1137static int airo_thread(void *data);
1138static void timer_func( struct net_device *dev );
1139static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1140static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1141static void airo_read_wireless_stats (struct airo_info *local);
1142#ifdef CISCO_EXT
1143static int readrids(struct net_device *dev, aironet_ioctl *comp);
1144static int writerids(struct net_device *dev, aironet_ioctl *comp);
1145static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1146#endif /* CISCO_EXT */
1147static void micinit(struct airo_info *ai);
1148static int micsetup(struct airo_info *ai);
1149static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1150static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1151
1152static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1153static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1154
1155static void airo_networks_free(struct airo_info *ai);
1156
1157struct airo_info {
1158	struct net_device             *dev;
1159	struct list_head              dev_list;
1160	/* Note, we can have MAX_FIDS outstanding.  FIDs are 16-bits, so we
1161	   use the high bit to mark whether it is in use. */
1162#define MAX_FIDS 6
1163#define MPI_MAX_FIDS 1
1164	u32                           fids[MAX_FIDS];
1165	ConfigRid config;
1166	char keyindex; // Used with auto wep
1167	char defindex; // Used with auto wep
1168	struct proc_dir_entry *proc_entry;
1169        spinlock_t aux_lock;
1170#define FLAG_RADIO_OFF	0	/* User disabling of MAC */
1171#define FLAG_RADIO_DOWN	1	/* ifup/ifdown disabling of MAC */
1172#define FLAG_RADIO_MASK 0x03
1173#define FLAG_ENABLED	2
1174#define FLAG_ADHOC	3	/* Needed by MIC */
1175#define FLAG_MIC_CAPABLE 4
1176#define FLAG_UPDATE_MULTI 5
1177#define FLAG_UPDATE_UNI 6
1178#define FLAG_802_11	7
1179#define FLAG_PROMISC	8	/* IFF_PROMISC 0x100 - include/linux/if.h */
1180#define FLAG_PENDING_XMIT 9
1181#define FLAG_PENDING_XMIT11 10
1182#define FLAG_MPI	11
1183#define FLAG_REGISTERED	12
1184#define FLAG_COMMIT	13
1185#define FLAG_RESET	14
1186#define FLAG_FLASHING	15
1187#define FLAG_WPA_CAPABLE	16
1188	unsigned long flags;
1189#define JOB_DIE	0
1190#define JOB_XMIT	1
1191#define JOB_XMIT11	2
1192#define JOB_STATS	3
1193#define JOB_PROMISC	4
1194#define JOB_MIC	5
1195#define JOB_EVENT	6
1196#define JOB_AUTOWEP	7
1197#define JOB_WSTATS	8
1198#define JOB_SCAN_RESULTS  9
1199	unsigned long jobs;
1200	int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1201			int whichbap);
1202	unsigned short *flash;
1203	tdsRssiEntry *rssi;
1204	struct task_struct *list_bss_task;
1205	struct task_struct *airo_thread_task;
1206	struct semaphore sem;
1207	wait_queue_head_t thr_wait;
1208	unsigned long expires;
1209	struct {
1210		struct sk_buff *skb;
1211		int fid;
1212	} xmit, xmit11;
1213	struct net_device *wifidev;
1214	struct iw_statistics	wstats;		// wireless stats
1215	unsigned long		scan_timeout;	/* Time scan should be read */
1216	struct iw_spy_data	spy_data;
1217	struct iw_public_data	wireless_data;
1218	/* MIC stuff */
1219	struct crypto_cipher	*tfm;
1220	mic_module		mod[2];
1221	mic_statistics		micstats;
1222	HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1223	HostTxDesc txfids[MPI_MAX_FIDS];
1224	HostRidDesc config_desc;
1225	unsigned long ridbus; // phys addr of config_desc
1226	struct sk_buff_head txq;// tx queue used by mpi350 code
1227	struct pci_dev          *pci;
1228	unsigned char		__iomem *pcimem;
1229	unsigned char		__iomem *pciaux;
1230	unsigned char		*shared;
1231	dma_addr_t		shared_dma;
1232	pm_message_t		power;
1233	SsidRid			*SSID;
1234	APListRid		*APList;
1235#define	PCI_SHARED_LEN		2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1236	char			proc_name[IFNAMSIZ];
1237
1238	int			wep_capable;
1239	int			max_wep_idx;
1240
1241	/* WPA-related stuff */
1242	unsigned int bssListFirst;
1243	unsigned int bssListNext;
1244	unsigned int bssListRidLen;
1245
1246	struct list_head network_list;
1247	struct list_head network_free_list;
1248	BSSListElement *networks;
1249};
1250
1251static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1252			   int whichbap)
1253{
1254	return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1255}
1256
1257static int setup_proc_entry( struct net_device *dev,
1258			     struct airo_info *apriv );
1259static int takedown_proc_entry( struct net_device *dev,
1260				struct airo_info *apriv );
1261
1262static int cmdreset(struct airo_info *ai);
1263static int setflashmode (struct airo_info *ai);
1264static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1265static int flashputbuf(struct airo_info *ai);
1266static int flashrestart(struct airo_info *ai,struct net_device *dev);
1267
1268#define airo_print(type, name, fmt, args...) \
1269	printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1270
1271#define airo_print_info(name, fmt, args...) \
1272	airo_print(KERN_INFO, name, fmt, ##args)
1273
1274#define airo_print_dbg(name, fmt, args...) \
1275	airo_print(KERN_DEBUG, name, fmt, ##args)
1276
1277#define airo_print_warn(name, fmt, args...) \
1278	airo_print(KERN_WARNING, name, fmt, ##args)
1279
1280#define airo_print_err(name, fmt, args...) \
1281	airo_print(KERN_ERR, name, fmt, ##args)
1282
1283#define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash)
1284
1285/***********************************************************************
1286 *                              MIC ROUTINES                           *
1287 ***********************************************************************
1288 */
1289
1290static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1291static void MoveWindow(miccntx *context, u32 micSeq);
1292static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1293			   struct crypto_cipher *tfm);
1294static void emmh32_init(emmh32_context *context);
1295static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1296static void emmh32_final(emmh32_context *context, u8 digest[4]);
1297static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1298
1299static void age_mic_context(miccntx *cur, miccntx *old, u8 *key, int key_len,
1300			    struct crypto_cipher *tfm)
1301{
1302	/* If the current MIC context is valid and its key is the same as
1303	 * the MIC register, there's nothing to do.
1304	 */
1305	if (cur->valid && (memcmp(cur->key, key, key_len) == 0))
1306		return;
1307
1308	/* Age current mic Context */
1309	memcpy(old, cur, sizeof(*cur));
1310
1311	/* Initialize new context */
1312	memcpy(cur->key, key, key_len);
1313	cur->window  = 33; /* Window always points to the middle */
1314	cur->rx      = 0;  /* Rx Sequence numbers */
1315	cur->tx      = 0;  /* Tx sequence numbers */
1316	cur->valid   = 1;  /* Key is now valid */
1317
1318	/* Give key to mic seed */
1319	emmh32_setseed(&cur->seed, key, key_len, tfm);
1320}
1321
1322/* micinit - Initialize mic seed */
1323
1324static void micinit(struct airo_info *ai)
1325{
1326	MICRid mic_rid;
1327
1328	clear_bit(JOB_MIC, &ai->jobs);
1329	PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1330	up(&ai->sem);
1331
1332	ai->micstats.enabled = (le16_to_cpu(mic_rid.state) & 0x00FF) ? 1 : 0;
1333	if (!ai->micstats.enabled) {
1334		/* So next time we have a valid key and mic is enabled, we will
1335		 * update 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		return;
1340	}
1341
1342	if (mic_rid.multicastValid) {
1343		age_mic_context(&ai->mod[0].mCtx, &ai->mod[1].mCtx,
1344		                mic_rid.multicast, sizeof(mic_rid.multicast),
1345		                ai->tfm);
1346	}
1347
1348	if (mic_rid.unicastValid) {
1349		age_mic_context(&ai->mod[0].uCtx, &ai->mod[1].uCtx,
1350				mic_rid.unicast, sizeof(mic_rid.unicast),
1351				ai->tfm);
1352	}
1353}
1354
1355/* micsetup - Get ready for business */
1356
1357static int micsetup(struct airo_info *ai) {
1358	int i;
1359
1360	if (ai->tfm == NULL)
1361	        ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1362
1363        if (IS_ERR(ai->tfm)) {
1364                airo_print_err(ai->dev->name, "failed to load transform for AES");
1365                ai->tfm = NULL;
1366                return ERROR;
1367        }
1368
1369	for (i=0; i < NUM_MODULES; i++) {
1370		memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1371		memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1372	}
1373	return SUCCESS;
1374}
1375
1376static const u8 micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1377
1378/*===========================================================================
1379 * Description: Mic a packet
1380 *
1381 *      Inputs: etherHead * pointer to an 802.3 frame
1382 *
1383 *     Returns: BOOLEAN if successful, otherwise false.
1384 *             PacketTxLen will be updated with the mic'd packets size.
1385 *
1386 *    Caveats: It is assumed that the frame buffer will already
1387 *             be big enough to hold the largets mic message possible.
1388 *            (No memory allocation is done here).
1389 *
1390 *    Author: sbraneky (10/15/01)
1391 *    Merciless hacks by rwilcher (1/14/02)
1392 */
1393
1394static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1395{
1396	miccntx   *context;
1397
1398	// Determine correct context
1399	// If not adhoc, always use unicast key
1400
1401	if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1402		context = &ai->mod[0].mCtx;
1403	else
1404		context = &ai->mod[0].uCtx;
1405
1406	if (!context->valid)
1407		return ERROR;
1408
1409	mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1410
1411	memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1412
1413	// Add Tx sequence
1414	mic->seq = htonl(context->tx);
1415	context->tx += 2;
1416
1417	emmh32_init(&context->seed); // Mic the packet
1418	emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1419	emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1420	emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1421	emmh32_update(&context->seed,(u8*)(frame + 1),payLen); //payload
1422	emmh32_final(&context->seed, (u8*)&mic->mic);
1423
1424	/*    New Type/length ?????????? */
1425	mic->typelen = 0; //Let NIC know it could be an oversized packet
1426	return SUCCESS;
1427}
1428
1429typedef enum {
1430    NONE,
1431    NOMIC,
1432    NOMICPLUMMED,
1433    SEQUENCE,
1434    INCORRECTMIC,
1435} mic_error;
1436
1437/*===========================================================================
1438 *  Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1439 *               (removes the MIC stuff) if packet is a valid packet.
1440 *
1441 *       Inputs: etherHead  pointer to the 802.3 packet
1442 *
1443 *      Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1444 *
1445 *      Author: sbraneky (10/15/01)
1446 *    Merciless hacks by rwilcher (1/14/02)
1447 *---------------------------------------------------------------------------
1448 */
1449
1450static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1451{
1452	int      i;
1453	u32      micSEQ;
1454	miccntx  *context;
1455	u8       digest[4];
1456	mic_error micError = NONE;
1457
1458	// Check if the packet is a Mic'd packet
1459
1460	if (!ai->micstats.enabled) {
1461		//No Mic set or Mic OFF but we received a MIC'd packet.
1462		if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1463			ai->micstats.rxMICPlummed++;
1464			return ERROR;
1465		}
1466		return SUCCESS;
1467	}
1468
1469	if (ntohs(mic->typelen) == 0x888E)
1470		return SUCCESS;
1471
1472	if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1473	    // Mic enabled but packet isn't Mic'd
1474		ai->micstats.rxMICPlummed++;
1475	    	return ERROR;
1476	}
1477
1478	micSEQ = ntohl(mic->seq);            //store SEQ as CPU order
1479
1480	//At this point we a have a mic'd packet and mic is enabled
1481	//Now do the mic error checking.
1482
1483	//Receive seq must be odd
1484	if ( (micSEQ & 1) == 0 ) {
1485		ai->micstats.rxWrongSequence++;
1486		return ERROR;
1487	}
1488
1489	for (i = 0; i < NUM_MODULES; i++) {
1490		int mcast = eth->da[0] & 1;
1491		//Determine proper context
1492		context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1493
1494		//Make sure context is valid
1495		if (!context->valid) {
1496			if (i == 0)
1497				micError = NOMICPLUMMED;
1498			continue;
1499		}
1500	       	//DeMic it
1501
1502		if (!mic->typelen)
1503			mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1504
1505		emmh32_init(&context->seed);
1506		emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1507		emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1508		emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1509		emmh32_update(&context->seed, (u8 *)(eth + 1),payLen);
1510		//Calculate MIC
1511		emmh32_final(&context->seed, digest);
1512
1513		if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1514		  //Invalid Mic
1515			if (i == 0)
1516				micError = INCORRECTMIC;
1517			continue;
1518		}
1519
1520		//Check Sequence number if mics pass
1521		if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1522			ai->micstats.rxSuccess++;
1523			return SUCCESS;
1524		}
1525		if (i == 0)
1526			micError = SEQUENCE;
1527	}
1528
1529	// Update statistics
1530	switch (micError) {
1531		case NOMICPLUMMED: ai->micstats.rxMICPlummed++;   break;
1532		case SEQUENCE:    ai->micstats.rxWrongSequence++; break;
1533		case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1534		case NONE:  break;
1535		case NOMIC: break;
1536	}
1537	return ERROR;
1538}
1539
1540/*===========================================================================
1541 * Description:  Checks the Rx Seq number to make sure it is valid
1542 *               and hasn't already been received
1543 *
1544 *     Inputs: miccntx - mic context to check seq against
1545 *             micSeq  - the Mic seq number
1546 *
1547 *    Returns: TRUE if valid otherwise FALSE.
1548 *
1549 *    Author: sbraneky (10/15/01)
1550 *    Merciless hacks by rwilcher (1/14/02)
1551 *---------------------------------------------------------------------------
1552 */
1553
1554static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1555{
1556	u32 seq,index;
1557
1558	//Allow for the ap being rebooted - if it is then use the next
1559	//sequence number of the current sequence number - might go backwards
1560
1561	if (mcast) {
1562		if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1563			clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1564			context->window = (micSeq > 33) ? micSeq : 33;
1565			context->rx     = 0;        // Reset rx
1566		}
1567	} else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1568		clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1569		context->window = (micSeq > 33) ? micSeq : 33; // Move window
1570		context->rx     = 0;        // Reset rx
1571	}
1572
1573	//Make sequence number relative to START of window
1574	seq = micSeq - (context->window - 33);
1575
1576	//Too old of a SEQ number to check.
1577	if ((s32)seq < 0)
1578		return ERROR;
1579
1580	if ( seq > 64 ) {
1581		//Window is infinite forward
1582		MoveWindow(context,micSeq);
1583		return SUCCESS;
1584	}
1585
1586	// We are in the window. Now check the context rx bit to see if it was already sent
1587	seq >>= 1;         //divide by 2 because we only have odd numbers
1588	index = 1 << seq;  //Get an index number
1589
1590	if (!(context->rx & index)) {
1591		//micSEQ falls inside the window.
1592		//Add seqence number to the list of received numbers.
1593		context->rx |= index;
1594
1595		MoveWindow(context,micSeq);
1596
1597		return SUCCESS;
1598	}
1599	return ERROR;
1600}
1601
1602static void MoveWindow(miccntx *context, u32 micSeq)
1603{
1604	u32 shift;
1605
1606	//Move window if seq greater than the middle of the window
1607	if (micSeq > context->window) {
1608		shift = (micSeq - context->window) >> 1;
1609
1610		    //Shift out old
1611		if (shift < 32)
1612			context->rx >>= shift;
1613		else
1614			context->rx = 0;
1615
1616		context->window = micSeq;      //Move window
1617	}
1618}
1619
1620/*==============================================*/
1621/*========== EMMH ROUTINES  ====================*/
1622/*==============================================*/
1623
1624/* mic accumulate */
1625#define MIC_ACCUM(val)	\
1626	context->accum += (u64)(val) * context->coeff[coeff_position++];
1627
1628static unsigned char aes_counter[16];
1629
1630/* expand the key to fill the MMH coefficient array */
1631static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1632			   struct crypto_cipher *tfm)
1633{
1634  /* take the keying material, expand if necessary, truncate at 16-bytes */
1635  /* run through AES counter mode to generate context->coeff[] */
1636
1637	int i,j;
1638	u32 counter;
1639	u8 *cipher, plain[16];
1640
1641	crypto_cipher_setkey(tfm, pkey, 16);
1642	counter = 0;
1643	for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1644		aes_counter[15] = (u8)(counter >> 0);
1645		aes_counter[14] = (u8)(counter >> 8);
1646		aes_counter[13] = (u8)(counter >> 16);
1647		aes_counter[12] = (u8)(counter >> 24);
1648		counter++;
1649		memcpy (plain, aes_counter, 16);
1650		crypto_cipher_encrypt_one(tfm, plain, plain);
1651		cipher = plain;
1652		for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1653			context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1654			j += 4;
1655		}
1656	}
1657}
1658
1659/* prepare for calculation of a new mic */
1660static void emmh32_init(emmh32_context *context)
1661{
1662	/* prepare for new mic calculation */
1663	context->accum = 0;
1664	context->position = 0;
1665}
1666
1667/* add some bytes to the mic calculation */
1668static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1669{
1670	int	coeff_position, byte_position;
1671
1672	if (len == 0) return;
1673
1674	coeff_position = context->position >> 2;
1675
1676	/* deal with partial 32-bit word left over from last update */
1677	byte_position = context->position & 3;
1678	if (byte_position) {
1679		/* have a partial word in part to deal with */
1680		do {
1681			if (len == 0) return;
1682			context->part.d8[byte_position++] = *pOctets++;
1683			context->position++;
1684			len--;
1685		} while (byte_position < 4);
1686		MIC_ACCUM(ntohl(context->part.d32));
1687	}
1688
1689	/* deal with full 32-bit words */
1690	while (len >= 4) {
1691		MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1692		context->position += 4;
1693		pOctets += 4;
1694		len -= 4;
1695	}
1696
1697	/* deal with partial 32-bit word that will be left over from this update */
1698	byte_position = 0;
1699	while (len > 0) {
1700		context->part.d8[byte_position++] = *pOctets++;
1701		context->position++;
1702		len--;
1703	}
1704}
1705
1706/* mask used to zero empty bytes for final partial word */
1707static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1708
1709/* calculate the mic */
1710static void emmh32_final(emmh32_context *context, u8 digest[4])
1711{
1712	int	coeff_position, byte_position;
1713	u32	val;
1714
1715	u64 sum, utmp;
1716	s64 stmp;
1717
1718	coeff_position = context->position >> 2;
1719
1720	/* deal with partial 32-bit word left over from last update */
1721	byte_position = context->position & 3;
1722	if (byte_position) {
1723		/* have a partial word in part to deal with */
1724		val = ntohl(context->part.d32);
1725		MIC_ACCUM(val & mask32[byte_position]);	/* zero empty bytes */
1726	}
1727
1728	/* reduce the accumulated u64 to a 32-bit MIC */
1729	sum = context->accum;
1730	stmp = (sum  & 0xffffffffLL) - ((sum >> 32)  * 15);
1731	utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1732	sum = utmp & 0xffffffffLL;
1733	if (utmp > 0x10000000fLL)
1734		sum -= 15;
1735
1736	val = (u32)sum;
1737	digest[0] = (val>>24) & 0xFF;
1738	digest[1] = (val>>16) & 0xFF;
1739	digest[2] = (val>>8) & 0xFF;
1740	digest[3] = val & 0xFF;
1741}
1742
1743static int readBSSListRid(struct airo_info *ai, int first,
1744		      BSSListRid *list)
1745{
1746	Cmd cmd;
1747	Resp rsp;
1748
1749	if (first == 1) {
1750		if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1751		memset(&cmd, 0, sizeof(cmd));
1752		cmd.cmd=CMD_LISTBSS;
1753		if (down_interruptible(&ai->sem))
1754			return -ERESTARTSYS;
1755		ai->list_bss_task = current;
1756		issuecommand(ai, &cmd, &rsp);
1757		up(&ai->sem);
1758		/* Let the command take effect */
1759		schedule_timeout_uninterruptible(3 * HZ);
1760		ai->list_bss_task = NULL;
1761	}
1762	return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1763			    list, ai->bssListRidLen, 1);
1764}
1765
1766static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1767{
1768	return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1769				wkr, sizeof(*wkr), lock);
1770}
1771
1772static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1773{
1774	int rc;
1775	rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1776	if (rc!=SUCCESS)
1777		airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1778	if (perm) {
1779		rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1780		if (rc!=SUCCESS)
1781			airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1782	}
1783	return rc;
1784}
1785
1786static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1787{
1788	return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1789}
1790
1791static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1792{
1793	return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1794}
1795
1796static int readConfigRid(struct airo_info *ai, int lock)
1797{
1798	int rc;
1799	ConfigRid cfg;
1800
1801	if (ai->config.len)
1802		return SUCCESS;
1803
1804	rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1805	if (rc != SUCCESS)
1806		return rc;
1807
1808	ai->config = cfg;
1809	return SUCCESS;
1810}
1811
1812static inline void checkThrottle(struct airo_info *ai)
1813{
1814	int i;
1815/* Old hardware had a limit on encryption speed */
1816	if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1817		for(i=0; i<8; i++) {
1818			if (ai->config.rates[i] > maxencrypt) {
1819				ai->config.rates[i] = 0;
1820			}
1821		}
1822	}
1823}
1824
1825static int writeConfigRid(struct airo_info *ai, int lock)
1826{
1827	ConfigRid cfgr;
1828
1829	if (!test_bit (FLAG_COMMIT, &ai->flags))
1830		return SUCCESS;
1831
1832	clear_bit (FLAG_COMMIT, &ai->flags);
1833	clear_bit (FLAG_RESET, &ai->flags);
1834	checkThrottle(ai);
1835	cfgr = ai->config;
1836
1837	if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1838		set_bit(FLAG_ADHOC, &ai->flags);
1839	else
1840		clear_bit(FLAG_ADHOC, &ai->flags);
1841
1842	return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1843}
1844
1845static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1846{
1847	return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1848}
1849
1850static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1851{
1852	return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1853}
1854
1855static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1856{
1857	return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1858}
1859
1860static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1861{
1862	return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1863}
1864
1865static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1866{
1867	return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1868}
1869
1870static void try_auto_wep(struct airo_info *ai)
1871{
1872	if (auto_wep && !test_bit(FLAG_RADIO_DOWN, &ai->flags)) {
1873		ai->expires = RUN_AT(3*HZ);
1874		wake_up_interruptible(&ai->thr_wait);
1875	}
1876}
1877
1878static int airo_open(struct net_device *dev) {
1879	struct airo_info *ai = dev->ml_priv;
1880	int rc = 0;
1881
1882	if (test_bit(FLAG_FLASHING, &ai->flags))
1883		return -EIO;
1884
1885	/* Make sure the card is configured.
1886	 * Wireless Extensions may postpone config changes until the card
1887	 * is open (to pipeline changes and speed-up card setup). If
1888	 * those changes are not yet committed, do it now - Jean II */
1889	if (test_bit(FLAG_COMMIT, &ai->flags)) {
1890		disable_MAC(ai, 1);
1891		writeConfigRid(ai, 1);
1892	}
1893
1894	if (ai->wifidev != dev) {
1895		clear_bit(JOB_DIE, &ai->jobs);
1896		ai->airo_thread_task = kthread_run(airo_thread, dev, "%s",
1897						   dev->name);
1898		if (IS_ERR(ai->airo_thread_task))
1899			return (int)PTR_ERR(ai->airo_thread_task);
1900
1901		rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1902			dev->name, dev);
1903		if (rc) {
1904			airo_print_err(dev->name,
1905				"register interrupt %d failed, rc %d",
1906				dev->irq, rc);
1907			set_bit(JOB_DIE, &ai->jobs);
1908			kthread_stop(ai->airo_thread_task);
1909			return rc;
1910		}
1911
1912		/* Power on the MAC controller (which may have been disabled) */
1913		clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1914		enable_interrupts(ai);
1915
1916		try_auto_wep(ai);
1917	}
1918	enable_MAC(ai, 1);
1919
1920	netif_start_queue(dev);
1921	return 0;
1922}
1923
1924static netdev_tx_t mpi_start_xmit(struct sk_buff *skb,
1925					struct net_device *dev)
1926{
1927	int npacks, pending;
1928	unsigned long flags;
1929	struct airo_info *ai = dev->ml_priv;
1930
1931	if (!skb) {
1932		airo_print_err(dev->name, "%s: skb == NULL!",__func__);
1933		return NETDEV_TX_OK;
1934	}
1935	npacks = skb_queue_len (&ai->txq);
1936
1937	if (npacks >= MAXTXQ - 1) {
1938		netif_stop_queue (dev);
1939		if (npacks > MAXTXQ) {
1940			dev->stats.tx_fifo_errors++;
1941			return NETDEV_TX_BUSY;
1942		}
1943		skb_queue_tail (&ai->txq, skb);
1944		return NETDEV_TX_OK;
1945	}
1946
1947	spin_lock_irqsave(&ai->aux_lock, flags);
1948	skb_queue_tail (&ai->txq, skb);
1949	pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1950	spin_unlock_irqrestore(&ai->aux_lock,flags);
1951	netif_wake_queue (dev);
1952
1953	if (pending == 0) {
1954		set_bit(FLAG_PENDING_XMIT, &ai->flags);
1955		mpi_send_packet (dev);
1956	}
1957	return NETDEV_TX_OK;
1958}
1959
1960/*
1961 * @mpi_send_packet
1962 *
1963 * Attempt to transmit a packet. Can be called from interrupt
1964 * or transmit . return number of packets we tried to send
1965 */
1966
1967static int mpi_send_packet (struct net_device *dev)
1968{
1969	struct sk_buff *skb;
1970	unsigned char *buffer;
1971	s16 len;
1972	__le16 *payloadLen;
1973	struct airo_info *ai = dev->ml_priv;
1974	u8 *sendbuf;
1975
1976	/* get a packet to send */
1977
1978	if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1979		airo_print_err(dev->name,
1980			"%s: Dequeue'd zero in send_packet()",
1981			__func__);
1982		return 0;
1983	}
1984
1985	/* check min length*/
1986	len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1987	buffer = skb->data;
1988
1989	ai->txfids[0].tx_desc.offset = 0;
1990	ai->txfids[0].tx_desc.valid = 1;
1991	ai->txfids[0].tx_desc.eoc = 1;
1992	ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1993
1994/*
1995 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1996 * right after  TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1997 * is immediately after it. ------------------------------------------------
1998 *                         |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1999 *                         ------------------------------------------------
2000 */
2001
2002	memcpy(ai->txfids[0].virtual_host_addr,
2003		(char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2004
2005	payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
2006		sizeof(wifictlhdr8023));
2007	sendbuf = ai->txfids[0].virtual_host_addr +
2008		sizeof(wifictlhdr8023) + 2 ;
2009
2010	/*
2011	 * Firmware automatically puts 802 header on so
2012	 * we don't need to account for it in the length
2013	 */
2014	if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2015		(ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2016		MICBuffer pMic;
2017
2018		if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2019			return ERROR;
2020
2021		*payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2022		ai->txfids[0].tx_desc.len += sizeof(pMic);
2023		/* copy data into airo dma buffer */
2024		memcpy (sendbuf, buffer, sizeof(etherHead));
2025		buffer += sizeof(etherHead);
2026		sendbuf += sizeof(etherHead);
2027		memcpy (sendbuf, &pMic, sizeof(pMic));
2028		sendbuf += sizeof(pMic);
2029		memcpy (sendbuf, buffer, len - sizeof(etherHead));
2030	} else {
2031		*payloadLen = cpu_to_le16(len - sizeof(etherHead));
2032
2033		dev->trans_start = jiffies;
2034
2035		/* copy data into airo dma buffer */
2036		memcpy(sendbuf, buffer, len);
2037	}
2038
2039	memcpy_toio(ai->txfids[0].card_ram_off,
2040		&ai->txfids[0].tx_desc, sizeof(TxFid));
2041
2042	OUT4500(ai, EVACK, 8);
2043
2044	dev_kfree_skb_any(skb);
2045	return 1;
2046}
2047
2048static void get_tx_error(struct airo_info *ai, s32 fid)
2049{
2050	__le16 status;
2051
2052	if (fid < 0)
2053		status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2054	else {
2055		if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2056			return;
2057		bap_read(ai, &status, 2, BAP0);
2058	}
2059	if (le16_to_cpu(status) & 2) /* Too many retries */
2060		ai->dev->stats.tx_aborted_errors++;
2061	if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2062		ai->dev->stats.tx_heartbeat_errors++;
2063	if (le16_to_cpu(status) & 8) /* Aid fail */
2064		{ }
2065	if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2066		ai->dev->stats.tx_carrier_errors++;
2067	if (le16_to_cpu(status) & 0x20) /* Association lost */
2068		{ }
2069	/* We produce a TXDROP event only for retry or lifetime
2070	 * exceeded, because that's the only status that really mean
2071	 * that this particular node went away.
2072	 * Other errors means that *we* screwed up. - Jean II */
2073	if ((le16_to_cpu(status) & 2) ||
2074	     (le16_to_cpu(status) & 4)) {
2075		union iwreq_data	wrqu;
2076		char junk[0x18];
2077
2078		/* Faster to skip over useless data than to do
2079		 * another bap_setup(). We are at offset 0x6 and
2080		 * need to go to 0x18 and read 6 bytes - Jean II */
2081		bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2082
2083		/* Copy 802.11 dest address.
2084		 * We use the 802.11 header because the frame may
2085		 * not be 802.3 or may be mangled...
2086		 * In Ad-Hoc mode, it will be the node address.
2087		 * In managed mode, it will be most likely the AP addr
2088		 * User space will figure out how to convert it to
2089		 * whatever it needs (IP address or else).
2090		 * - Jean II */
2091		memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2092		wrqu.addr.sa_family = ARPHRD_ETHER;
2093
2094		/* Send event to user space */
2095		wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2096	}
2097}
2098
2099static void airo_end_xmit(struct net_device *dev) {
2100	u16 status;
2101	int i;
2102	struct airo_info *priv = dev->ml_priv;
2103	struct sk_buff *skb = priv->xmit.skb;
2104	int fid = priv->xmit.fid;
2105	u32 *fids = priv->fids;
2106
2107	clear_bit(JOB_XMIT, &priv->jobs);
2108	clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2109	status = transmit_802_3_packet (priv, fids[fid], skb->data);
2110	up(&priv->sem);
2111
2112	i = 0;
2113	if ( status == SUCCESS ) {
2114		dev->trans_start = jiffies;
2115		for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2116	} else {
2117		priv->fids[fid] &= 0xffff;
2118		dev->stats.tx_window_errors++;
2119	}
2120	if (i < MAX_FIDS / 2)
2121		netif_wake_queue(dev);
2122	dev_kfree_skb(skb);
2123}
2124
2125static netdev_tx_t airo_start_xmit(struct sk_buff *skb,
2126					 struct net_device *dev)
2127{
2128	s16 len;
2129	int i, j;
2130	struct airo_info *priv = dev->ml_priv;
2131	u32 *fids = priv->fids;
2132
2133	if ( skb == NULL ) {
2134		airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2135		return NETDEV_TX_OK;
2136	}
2137
2138	/* Find a vacant FID */
2139	for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2140	for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2141
2142	if ( j >= MAX_FIDS / 2 ) {
2143		netif_stop_queue(dev);
2144
2145		if (i == MAX_FIDS / 2) {
2146			dev->stats.tx_fifo_errors++;
2147			return NETDEV_TX_BUSY;
2148		}
2149	}
2150	/* check min length*/
2151	len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2152        /* Mark fid as used & save length for later */
2153	fids[i] |= (len << 16);
2154	priv->xmit.skb = skb;
2155	priv->xmit.fid = i;
2156	if (down_trylock(&priv->sem) != 0) {
2157		set_bit(FLAG_PENDING_XMIT, &priv->flags);
2158		netif_stop_queue(dev);
2159		set_bit(JOB_XMIT, &priv->jobs);
2160		wake_up_interruptible(&priv->thr_wait);
2161	} else
2162		airo_end_xmit(dev);
2163	return NETDEV_TX_OK;
2164}
2165
2166static void airo_end_xmit11(struct net_device *dev) {
2167	u16 status;
2168	int i;
2169	struct airo_info *priv = dev->ml_priv;
2170	struct sk_buff *skb = priv->xmit11.skb;
2171	int fid = priv->xmit11.fid;
2172	u32 *fids = priv->fids;
2173
2174	clear_bit(JOB_XMIT11, &priv->jobs);
2175	clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2176	status = transmit_802_11_packet (priv, fids[fid], skb->data);
2177	up(&priv->sem);
2178
2179	i = MAX_FIDS / 2;
2180	if ( status == SUCCESS ) {
2181		dev->trans_start = jiffies;
2182		for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2183	} else {
2184		priv->fids[fid] &= 0xffff;
2185		dev->stats.tx_window_errors++;
2186	}
2187	if (i < MAX_FIDS)
2188		netif_wake_queue(dev);
2189	dev_kfree_skb(skb);
2190}
2191
2192static netdev_tx_t airo_start_xmit11(struct sk_buff *skb,
2193					   struct net_device *dev)
2194{
2195	s16 len;
2196	int i, j;
2197	struct airo_info *priv = dev->ml_priv;
2198	u32 *fids = priv->fids;
2199
2200	if (test_bit(FLAG_MPI, &priv->flags)) {
2201		/* Not implemented yet for MPI350 */
2202		netif_stop_queue(dev);
2203		dev_kfree_skb_any(skb);
2204		return NETDEV_TX_OK;
2205	}
2206
2207	if ( skb == NULL ) {
2208		airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2209		return NETDEV_TX_OK;
2210	}
2211
2212	/* Find a vacant FID */
2213	for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2214	for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2215
2216	if ( j >= MAX_FIDS ) {
2217		netif_stop_queue(dev);
2218
2219		if (i == MAX_FIDS) {
2220			dev->stats.tx_fifo_errors++;
2221			return NETDEV_TX_BUSY;
2222		}
2223	}
2224	/* check min length*/
2225	len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2226        /* Mark fid as used & save length for later */
2227	fids[i] |= (len << 16);
2228	priv->xmit11.skb = skb;
2229	priv->xmit11.fid = i;
2230	if (down_trylock(&priv->sem) != 0) {
2231		set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2232		netif_stop_queue(dev);
2233		set_bit(JOB_XMIT11, &priv->jobs);
2234		wake_up_interruptible(&priv->thr_wait);
2235	} else
2236		airo_end_xmit11(dev);
2237	return NETDEV_TX_OK;
2238}
2239
2240static void airo_read_stats(struct net_device *dev)
2241{
2242	struct airo_info *ai = dev->ml_priv;
2243	StatsRid stats_rid;
2244	__le32 *vals = stats_rid.vals;
2245
2246	clear_bit(JOB_STATS, &ai->jobs);
2247	if (ai->power.event) {
2248		up(&ai->sem);
2249		return;
2250	}
2251	readStatsRid(ai, &stats_rid, RID_STATS, 0);
2252	up(&ai->sem);
2253
2254	dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2255			       le32_to_cpu(vals[45]);
2256	dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2257			       le32_to_cpu(vals[41]);
2258	dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2259	dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2260	dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2261			      le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2262	dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2263			      dev->stats.tx_fifo_errors;
2264	dev->stats.multicast = le32_to_cpu(vals[43]);
2265	dev->stats.collisions = le32_to_cpu(vals[89]);
2266
2267	/* detailed rx_errors: */
2268	dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2269	dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2270	dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2271	dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
2272}
2273
2274static struct net_device_stats *airo_get_stats(struct net_device *dev)
2275{
2276	struct airo_info *local =  dev->ml_priv;
2277
2278	if (!test_bit(JOB_STATS, &local->jobs)) {
2279		/* Get stats out of the card if available */
2280		if (down_trylock(&local->sem) != 0) {
2281			set_bit(JOB_STATS, &local->jobs);
2282			wake_up_interruptible(&local->thr_wait);
2283		} else
2284			airo_read_stats(dev);
2285	}
2286
2287	return &dev->stats;
2288}
2289
2290static void airo_set_promisc(struct airo_info *ai) {
2291	Cmd cmd;
2292	Resp rsp;
2293
2294	memset(&cmd, 0, sizeof(cmd));
2295	cmd.cmd=CMD_SETMODE;
2296	clear_bit(JOB_PROMISC, &ai->jobs);
2297	cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2298	issuecommand(ai, &cmd, &rsp);
2299	up(&ai->sem);
2300}
2301
2302static void airo_set_multicast_list(struct net_device *dev) {
2303	struct airo_info *ai = dev->ml_priv;
2304
2305	if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2306		change_bit(FLAG_PROMISC, &ai->flags);
2307		if (down_trylock(&ai->sem) != 0) {
2308			set_bit(JOB_PROMISC, &ai->jobs);
2309			wake_up_interruptible(&ai->thr_wait);
2310		} else
2311			airo_set_promisc(ai);
2312	}
2313
2314	if ((dev->flags&IFF_ALLMULTI) || !netdev_mc_empty(dev)) {
2315		/* Turn on multicast.  (Should be already setup...) */
2316	}
2317}
2318
2319static int airo_set_mac_address(struct net_device *dev, void *p)
2320{
2321	struct airo_info *ai = dev->ml_priv;
2322	struct sockaddr *addr = p;
2323
2324	readConfigRid(ai, 1);
2325	memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2326	set_bit (FLAG_COMMIT, &ai->flags);
2327	disable_MAC(ai, 1);
2328	writeConfigRid (ai, 1);
2329	enable_MAC(ai, 1);
2330	memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2331	if (ai->wifidev)
2332		memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2333	return 0;
2334}
2335
2336static int airo_change_mtu(struct net_device *dev, int new_mtu)
2337{
2338	if ((new_mtu < 68) || (new_mtu > 2400))
2339		return -EINVAL;
2340	dev->mtu = new_mtu;
2341	return 0;
2342}
2343
2344static LIST_HEAD(airo_devices);
2345
2346static void add_airo_dev(struct airo_info *ai)
2347{
2348	/* Upper layers already keep track of PCI devices,
2349	 * so we only need to remember our non-PCI cards. */
2350	if (!ai->pci)
2351		list_add_tail(&ai->dev_list, &airo_devices);
2352}
2353
2354static void del_airo_dev(struct airo_info *ai)
2355{
2356	if (!ai->pci)
2357		list_del(&ai->dev_list);
2358}
2359
2360static int airo_close(struct net_device *dev) {
2361	struct airo_info *ai = dev->ml_priv;
2362
2363	netif_stop_queue(dev);
2364
2365	if (ai->wifidev != dev) {
2366#ifdef POWER_ON_DOWN
2367		/* Shut power to the card. The idea is that the user can save
2368		 * power when he doesn't need the card with "ifconfig down".
2369		 * That's the method that is most friendly towards the network
2370		 * stack (i.e. the network stack won't try to broadcast
2371		 * anything on the interface and routes are gone. Jean II */
2372		set_bit(FLAG_RADIO_DOWN, &ai->flags);
2373		disable_MAC(ai, 1);
2374#endif
2375		disable_interrupts( ai );
2376
2377		free_irq(dev->irq, dev);
2378
2379		set_bit(JOB_DIE, &ai->jobs);
2380		kthread_stop(ai->airo_thread_task);
2381	}
2382	return 0;
2383}
2384
2385void stop_airo_card( struct net_device *dev, int freeres )
2386{
2387	struct airo_info *ai = dev->ml_priv;
2388
2389	set_bit(FLAG_RADIO_DOWN, &ai->flags);
2390	disable_MAC(ai, 1);
2391	disable_interrupts(ai);
2392	takedown_proc_entry( dev, ai );
2393	if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2394		unregister_netdev( dev );
2395		if (ai->wifidev) {
2396			unregister_netdev(ai->wifidev);
2397			free_netdev(ai->wifidev);
2398			ai->wifidev = NULL;
2399		}
2400		clear_bit(FLAG_REGISTERED, &ai->flags);
2401	}
2402	/*
2403	 * Clean out tx queue
2404	 */
2405	if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2406		struct sk_buff *skb = NULL;
2407		for (;(skb = skb_dequeue(&ai->txq));)
2408			dev_kfree_skb(skb);
2409	}
2410
2411	airo_networks_free (ai);
2412
2413	kfree(ai->flash);
2414	kfree(ai->rssi);
2415	kfree(ai->APList);
2416	kfree(ai->SSID);
2417	if (freeres) {
2418		/* PCMCIA frees this stuff, so only for PCI and ISA */
2419	        release_region( dev->base_addr, 64 );
2420		if (test_bit(FLAG_MPI, &ai->flags)) {
2421			if (ai->pci)
2422				mpi_unmap_card(ai->pci);
2423			if (ai->pcimem)
2424				iounmap(ai->pcimem);
2425			if (ai->pciaux)
2426				iounmap(ai->pciaux);
2427			pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2428				ai->shared, ai->shared_dma);
2429		}
2430        }
2431	crypto_free_cipher(ai->tfm);
2432	del_airo_dev(ai);
2433	free_netdev( dev );
2434}
2435
2436EXPORT_SYMBOL(stop_airo_card);
2437
2438static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2439{
2440	memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2441	return ETH_ALEN;
2442}
2443
2444static void mpi_unmap_card(struct pci_dev *pci)
2445{
2446	unsigned long mem_start = pci_resource_start(pci, 1);
2447	unsigned long mem_len = pci_resource_len(pci, 1);
2448	unsigned long aux_start = pci_resource_start(pci, 2);
2449	unsigned long aux_len = AUXMEMSIZE;
2450
2451	release_mem_region(aux_start, aux_len);
2452	release_mem_region(mem_start, mem_len);
2453}
2454
2455/*************************************************************
2456 *  This routine assumes that descriptors have been setup .
2457 *  Run at insmod time or after reset  when the decriptors
2458 *  have been initialized . Returns 0 if all is well nz
2459 *  otherwise . Does not allocate memory but sets up card
2460 *  using previously allocated descriptors.
2461 */
2462static int mpi_init_descriptors (struct airo_info *ai)
2463{
2464	Cmd cmd;
2465	Resp rsp;
2466	int i;
2467	int rc = SUCCESS;
2468
2469	/* Alloc  card RX descriptors */
2470	netif_stop_queue(ai->dev);
2471
2472	memset(&rsp,0,sizeof(rsp));
2473	memset(&cmd,0,sizeof(cmd));
2474
2475	cmd.cmd = CMD_ALLOCATEAUX;
2476	cmd.parm0 = FID_RX;
2477	cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2478	cmd.parm2 = MPI_MAX_FIDS;
2479	rc=issuecommand(ai, &cmd, &rsp);
2480	if (rc != SUCCESS) {
2481		airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2482		return rc;
2483	}
2484
2485	for (i=0; i<MPI_MAX_FIDS; i++) {
2486		memcpy_toio(ai->rxfids[i].card_ram_off,
2487			&ai->rxfids[i].rx_desc, sizeof(RxFid));
2488	}
2489
2490	/* Alloc card TX descriptors */
2491
2492	memset(&rsp,0,sizeof(rsp));
2493	memset(&cmd,0,sizeof(cmd));
2494
2495	cmd.cmd = CMD_ALLOCATEAUX;
2496	cmd.parm0 = FID_TX;
2497	cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2498	cmd.parm2 = MPI_MAX_FIDS;
2499
2500	for (i=0; i<MPI_MAX_FIDS; i++) {
2501		ai->txfids[i].tx_desc.valid = 1;
2502		memcpy_toio(ai->txfids[i].card_ram_off,
2503			&ai->txfids[i].tx_desc, sizeof(TxFid));
2504	}
2505	ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2506
2507	rc=issuecommand(ai, &cmd, &rsp);
2508	if (rc != SUCCESS) {
2509		airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2510		return rc;
2511	}
2512
2513	/* Alloc card Rid descriptor */
2514	memset(&rsp,0,sizeof(rsp));
2515	memset(&cmd,0,sizeof(cmd));
2516
2517	cmd.cmd = CMD_ALLOCATEAUX;
2518	cmd.parm0 = RID_RW;
2519	cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2520	cmd.parm2 = 1; /* Magic number... */
2521	rc=issuecommand(ai, &cmd, &rsp);
2522	if (rc != SUCCESS) {
2523		airo_print_err(ai->dev->name, "Couldn't allocate RID");
2524		return rc;
2525	}
2526
2527	memcpy_toio(ai->config_desc.card_ram_off,
2528		&ai->config_desc.rid_desc, sizeof(Rid));
2529
2530	return rc;
2531}
2532
2533/*
2534 * We are setting up three things here:
2535 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2536 * 2) Map PCI memory for issuing commands.
2537 * 3) Allocate memory (shared) to send and receive ethernet frames.
2538 */
2539static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2540{
2541	unsigned long mem_start, mem_len, aux_start, aux_len;
2542	int rc = -1;
2543	int i;
2544	dma_addr_t busaddroff;
2545	unsigned char *vpackoff;
2546	unsigned char __iomem *pciaddroff;
2547
2548	mem_start = pci_resource_start(pci, 1);
2549	mem_len = pci_resource_len(pci, 1);
2550	aux_start = pci_resource_start(pci, 2);
2551	aux_len = AUXMEMSIZE;
2552
2553	if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2554		airo_print_err("", "Couldn't get region %x[%x]",
2555			(int)mem_start, (int)mem_len);
2556		goto out;
2557	}
2558	if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2559		airo_print_err("", "Couldn't get region %x[%x]",
2560			(int)aux_start, (int)aux_len);
2561		goto free_region1;
2562	}
2563
2564	ai->pcimem = ioremap(mem_start, mem_len);
2565	if (!ai->pcimem) {
2566		airo_print_err("", "Couldn't map region %x[%x]",
2567			(int)mem_start, (int)mem_len);
2568		goto free_region2;
2569	}
2570	ai->pciaux = ioremap(aux_start, aux_len);
2571	if (!ai->pciaux) {
2572		airo_print_err("", "Couldn't map region %x[%x]",
2573			(int)aux_start, (int)aux_len);
2574		goto free_memmap;
2575	}
2576
2577	/* Reserve PKTSIZE for each fid and 2K for the Rids */
2578	ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2579	if (!ai->shared) {
2580		airo_print_err("", "Couldn't alloc_consistent %d",
2581			PCI_SHARED_LEN);
2582		goto free_auxmap;
2583	}
2584
2585	/*
2586	 * Setup descriptor RX, TX, CONFIG
2587	 */
2588	busaddroff = ai->shared_dma;
2589	pciaddroff = ai->pciaux + AUX_OFFSET;
2590	vpackoff   = ai->shared;
2591
2592	/* RX descriptor setup */
2593	for(i = 0; i < MPI_MAX_FIDS; i++) {
2594		ai->rxfids[i].pending = 0;
2595		ai->rxfids[i].card_ram_off = pciaddroff;
2596		ai->rxfids[i].virtual_host_addr = vpackoff;
2597		ai->rxfids[i].rx_desc.host_addr = busaddroff;
2598		ai->rxfids[i].rx_desc.valid = 1;
2599		ai->rxfids[i].rx_desc.len = PKTSIZE;
2600		ai->rxfids[i].rx_desc.rdy = 0;
2601
2602		pciaddroff += sizeof(RxFid);
2603		busaddroff += PKTSIZE;
2604		vpackoff   += PKTSIZE;
2605	}
2606
2607	/* TX descriptor setup */
2608	for(i = 0; i < MPI_MAX_FIDS; i++) {
2609		ai->txfids[i].card_ram_off = pciaddroff;
2610		ai->txfids[i].virtual_host_addr = vpackoff;
2611		ai->txfids[i].tx_desc.valid = 1;
2612		ai->txfids[i].tx_desc.host_addr = busaddroff;
2613		memcpy(ai->txfids[i].virtual_host_addr,
2614			&wifictlhdr8023, sizeof(wifictlhdr8023));
2615
2616		pciaddroff += sizeof(TxFid);
2617		busaddroff += PKTSIZE;
2618		vpackoff   += PKTSIZE;
2619	}
2620	ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2621
2622	/* Rid descriptor setup */
2623	ai->config_desc.card_ram_off = pciaddroff;
2624	ai->config_desc.virtual_host_addr = vpackoff;
2625	ai->config_desc.rid_desc.host_addr = busaddroff;
2626	ai->ridbus = busaddroff;
2627	ai->config_desc.rid_desc.rid = 0;
2628	ai->config_desc.rid_desc.len = RIDSIZE;
2629	ai->config_desc.rid_desc.valid = 1;
2630	pciaddroff += sizeof(Rid);
2631	busaddroff += RIDSIZE;
2632	vpackoff   += RIDSIZE;
2633
2634	/* Tell card about descriptors */
2635	if (mpi_init_descriptors (ai) != SUCCESS)
2636		goto free_shared;
2637
2638	return 0;
2639 free_shared:
2640	pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2641 free_auxmap:
2642	iounmap(ai->pciaux);
2643 free_memmap:
2644	iounmap(ai->pcimem);
2645 free_region2:
2646	release_mem_region(aux_start, aux_len);
2647 free_region1:
2648	release_mem_region(mem_start, mem_len);
2649 out:
2650	return rc;
2651}
2652
2653static const struct header_ops airo_header_ops = {
2654	.parse = wll_header_parse,
2655};
2656
2657static const struct net_device_ops airo11_netdev_ops = {
2658	.ndo_open 		= airo_open,
2659	.ndo_stop 		= airo_close,
2660	.ndo_start_xmit 	= airo_start_xmit11,
2661	.ndo_get_stats 		= airo_get_stats,
2662	.ndo_set_mac_address	= airo_set_mac_address,
2663	.ndo_do_ioctl		= airo_ioctl,
2664	.ndo_change_mtu		= airo_change_mtu,
2665};
2666
2667static void wifi_setup(struct net_device *dev)
2668{
2669	dev->netdev_ops = &airo11_netdev_ops;
2670	dev->header_ops = &airo_header_ops;
2671	dev->wireless_handlers = &airo_handler_def;
2672
2673	dev->type               = ARPHRD_IEEE80211;
2674	dev->hard_header_len    = ETH_HLEN;
2675	dev->mtu                = AIRO_DEF_MTU;
2676	dev->addr_len           = ETH_ALEN;
2677	dev->tx_queue_len       = 100;
2678
2679	eth_broadcast_addr(dev->broadcast);
2680
2681	dev->flags              = IFF_BROADCAST|IFF_MULTICAST;
2682}
2683
2684static struct net_device *init_wifidev(struct airo_info *ai,
2685					struct net_device *ethdev)
2686{
2687	int err;
2688	struct net_device *dev = alloc_netdev(0, "wifi%d", NET_NAME_UNKNOWN,
2689					      wifi_setup);
2690	if (!dev)
2691		return NULL;
2692	dev->ml_priv = ethdev->ml_priv;
2693	dev->irq = ethdev->irq;
2694	dev->base_addr = ethdev->base_addr;
2695	dev->wireless_data = ethdev->wireless_data;
2696	SET_NETDEV_DEV(dev, ethdev->dev.parent);
2697	eth_hw_addr_inherit(dev, ethdev);
2698	err = register_netdev(dev);
2699	if (err<0) {
2700		free_netdev(dev);
2701		return NULL;
2702	}
2703	return dev;
2704}
2705
2706static int reset_card( struct net_device *dev , int lock) {
2707	struct airo_info *ai = dev->ml_priv;
2708
2709	if (lock && down_interruptible(&ai->sem))
2710		return -1;
2711	waitbusy (ai);
2712	OUT4500(ai,COMMAND,CMD_SOFTRESET);
2713	msleep(200);
2714	waitbusy (ai);
2715	msleep(200);
2716	if (lock)
2717		up(&ai->sem);
2718	return 0;
2719}
2720
2721#define AIRO_MAX_NETWORK_COUNT	64
2722static int airo_networks_allocate(struct airo_info *ai)
2723{
2724	if (ai->networks)
2725		return 0;
2726
2727	ai->networks = kcalloc(AIRO_MAX_NETWORK_COUNT, sizeof(BSSListElement),
2728			       GFP_KERNEL);
2729	if (!ai->networks) {
2730		airo_print_warn("", "Out of memory allocating beacons");
2731		return -ENOMEM;
2732	}
2733
2734	return 0;
2735}
2736
2737static void airo_networks_free(struct airo_info *ai)
2738{
2739	kfree(ai->networks);
2740	ai->networks = NULL;
2741}
2742
2743static void airo_networks_initialize(struct airo_info *ai)
2744{
2745	int i;
2746
2747	INIT_LIST_HEAD(&ai->network_free_list);
2748	INIT_LIST_HEAD(&ai->network_list);
2749	for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2750		list_add_tail(&ai->networks[i].list,
2751			      &ai->network_free_list);
2752}
2753
2754static const struct net_device_ops airo_netdev_ops = {
2755	.ndo_open		= airo_open,
2756	.ndo_stop		= airo_close,
2757	.ndo_start_xmit		= airo_start_xmit,
2758	.ndo_get_stats		= airo_get_stats,
2759	.ndo_set_rx_mode	= airo_set_multicast_list,
2760	.ndo_set_mac_address	= airo_set_mac_address,
2761	.ndo_do_ioctl		= airo_ioctl,
2762	.ndo_change_mtu		= airo_change_mtu,
2763	.ndo_validate_addr	= eth_validate_addr,
2764};
2765
2766static const struct net_device_ops mpi_netdev_ops = {
2767	.ndo_open		= airo_open,
2768	.ndo_stop		= airo_close,
2769	.ndo_start_xmit		= mpi_start_xmit,
2770	.ndo_get_stats		= airo_get_stats,
2771	.ndo_set_rx_mode	= airo_set_multicast_list,
2772	.ndo_set_mac_address	= airo_set_mac_address,
2773	.ndo_do_ioctl		= airo_ioctl,
2774	.ndo_change_mtu		= airo_change_mtu,
2775	.ndo_validate_addr	= eth_validate_addr,
2776};
2777
2778
2779static struct net_device *_init_airo_card( unsigned short irq, int port,
2780					   int is_pcmcia, struct pci_dev *pci,
2781					   struct device *dmdev )
2782{
2783	struct net_device *dev;
2784	struct airo_info *ai;
2785	int i, rc;
2786	CapabilityRid cap_rid;
2787
2788	/* Create the network device object. */
2789	dev = alloc_netdev(sizeof(*ai), "", NET_NAME_UNKNOWN, ether_setup);
2790	if (!dev) {
2791		airo_print_err("", "Couldn't alloc_etherdev");
2792		return NULL;
2793	}
2794
2795	ai = dev->ml_priv = netdev_priv(dev);
2796	ai->wifidev = NULL;
2797	ai->flags = 1 << FLAG_RADIO_DOWN;
2798	ai->jobs = 0;
2799	ai->dev = dev;
2800	if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2801		airo_print_dbg("", "Found an MPI350 card");
2802		set_bit(FLAG_MPI, &ai->flags);
2803	}
2804	spin_lock_init(&ai->aux_lock);
2805	sema_init(&ai->sem, 1);
2806	ai->config.len = 0;
2807	ai->pci = pci;
2808	init_waitqueue_head (&ai->thr_wait);
2809	ai->tfm = NULL;
2810	add_airo_dev(ai);
2811
2812	if (airo_networks_allocate (ai))
2813		goto err_out_free;
2814	airo_networks_initialize (ai);
2815
2816	skb_queue_head_init (&ai->txq);
2817
2818	/* The Airo-specific entries in the device structure. */
2819	if (test_bit(FLAG_MPI,&ai->flags))
2820		dev->netdev_ops = &mpi_netdev_ops;
2821	else
2822		dev->netdev_ops = &airo_netdev_ops;
2823	dev->wireless_handlers = &airo_handler_def;
2824	ai->wireless_data.spy_data = &ai->spy_data;
2825	dev->wireless_data = &ai->wireless_data;
2826	dev->irq = irq;
2827	dev->base_addr = port;
2828	dev->priv_flags &= ~IFF_TX_SKB_SHARING;
2829
2830	SET_NETDEV_DEV(dev, dmdev);
2831
2832	reset_card (dev, 1);
2833	msleep(400);
2834
2835	if (!is_pcmcia) {
2836		if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2837			rc = -EBUSY;
2838			airo_print_err(dev->name, "Couldn't request region");
2839			goto err_out_nets;
2840		}
2841	}
2842
2843	if (test_bit(FLAG_MPI,&ai->flags)) {
2844		if (mpi_map_card(ai, pci)) {
2845			airo_print_err("", "Could not map memory");
2846			goto err_out_res;
2847		}
2848	}
2849
2850	if (probe) {
2851		if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
2852			airo_print_err(dev->name, "MAC could not be enabled" );
2853			rc = -EIO;
2854			goto err_out_map;
2855		}
2856	} else if (!test_bit(FLAG_MPI,&ai->flags)) {
2857		ai->bap_read = fast_bap_read;
2858		set_bit(FLAG_FLASHING, &ai->flags);
2859	}
2860
2861	strcpy(dev->name, "eth%d");
2862	rc = register_netdev(dev);
2863	if (rc) {
2864		airo_print_err(dev->name, "Couldn't register_netdev");
2865		goto err_out_map;
2866	}
2867	ai->wifidev = init_wifidev(ai, dev);
2868	if (!ai->wifidev)
2869		goto err_out_reg;
2870
2871	rc = readCapabilityRid(ai, &cap_rid, 1);
2872	if (rc != SUCCESS) {
2873		rc = -EIO;
2874		goto err_out_wifi;
2875	}
2876	/* WEP capability discovery */
2877	ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2878	ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
2879
2880	airo_print_info(dev->name, "Firmware version %x.%x.%02d",
2881	                ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2882	                (le16_to_cpu(cap_rid.softVer) & 0xFF),
2883	                le16_to_cpu(cap_rid.softSubVer));
2884
2885	/* Test for WPA support */
2886	/* Only firmware versions 5.30.17 or better can do WPA */
2887	if (le16_to_cpu(cap_rid.softVer) > 0x530
2888	 || (le16_to_cpu(cap_rid.softVer) == 0x530
2889	      && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2890		airo_print_info(ai->dev->name, "WPA supported.");
2891
2892		set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2893		ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2894		ai->bssListNext = RID_WPA_BSSLISTNEXT;
2895		ai->bssListRidLen = sizeof(BSSListRid);
2896	} else {
2897		airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2898			"versions older than 5.30.17.");
2899
2900		ai->bssListFirst = RID_BSSLISTFIRST;
2901		ai->bssListNext = RID_BSSLISTNEXT;
2902		ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2903	}
2904
2905	set_bit(FLAG_REGISTERED,&ai->flags);
2906	airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2907
2908	/* Allocate the transmit buffers */
2909	if (probe && !test_bit(FLAG_MPI,&ai->flags))
2910		for( i = 0; i < MAX_FIDS; i++ )
2911			ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2912
2913	if (setup_proc_entry(dev, dev->ml_priv) < 0)
2914		goto err_out_wifi;
2915
2916	return dev;
2917
2918err_out_wifi:
2919	unregister_netdev(ai->wifidev);
2920	free_netdev(ai->wifidev);
2921err_out_reg:
2922	unregister_netdev(dev);
2923err_out_map:
2924	if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2925		pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2926		iounmap(ai->pciaux);
2927		iounmap(ai->pcimem);
2928		mpi_unmap_card(ai->pci);
2929	}
2930err_out_res:
2931	if (!is_pcmcia)
2932	        release_region( dev->base_addr, 64 );
2933err_out_nets:
2934	airo_networks_free(ai);
2935err_out_free:
2936	del_airo_dev(ai);
2937	free_netdev(dev);
2938	return NULL;
2939}
2940
2941struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2942				  struct device *dmdev)
2943{
2944	return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2945}
2946
2947EXPORT_SYMBOL(init_airo_card);
2948
2949static int waitbusy (struct airo_info *ai) {
2950	int delay = 0;
2951	while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
2952		udelay (10);
2953		if ((++delay % 20) == 0)
2954			OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2955	}
2956	return delay < 10000;
2957}
2958
2959int reset_airo_card( struct net_device *dev )
2960{
2961	int i;
2962	struct airo_info *ai = dev->ml_priv;
2963
2964	if (reset_card (dev, 1))
2965		return -1;
2966
2967	if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2968		airo_print_err(dev->name, "MAC could not be enabled");
2969		return -1;
2970	}
2971	airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2972	/* Allocate the transmit buffers if needed */
2973	if (!test_bit(FLAG_MPI,&ai->flags))
2974		for( i = 0; i < MAX_FIDS; i++ )
2975			ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2976
2977	enable_interrupts( ai );
2978	netif_wake_queue(dev);
2979	return 0;
2980}
2981
2982EXPORT_SYMBOL(reset_airo_card);
2983
2984static void airo_send_event(struct net_device *dev) {
2985	struct airo_info *ai = dev->ml_priv;
2986	union iwreq_data wrqu;
2987	StatusRid status_rid;
2988
2989	clear_bit(JOB_EVENT, &ai->jobs);
2990	PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2991	up(&ai->sem);
2992	wrqu.data.length = 0;
2993	wrqu.data.flags = 0;
2994	memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2995	wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2996
2997	/* Send event to user space */
2998	wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2999}
3000
3001static void airo_process_scan_results (struct airo_info *ai) {
3002	union iwreq_data	wrqu;
3003	BSSListRid bss;
3004	int rc;
3005	BSSListElement * loop_net;
3006	BSSListElement * tmp_net;
3007
3008	/* Blow away current list of scan results */
3009	list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3010		list_move_tail (&loop_net->list, &ai->network_free_list);
3011		/* Don't blow away ->list, just BSS data */
3012		memset (loop_net, 0, sizeof (loop_net->bss));
3013	}
3014
3015	/* Try to read the first entry of the scan result */
3016	rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3017	if((rc) || (bss.index == cpu_to_le16(0xffff))) {
3018		/* No scan results */
3019		goto out;
3020	}
3021
3022	/* Read and parse all entries */
3023	tmp_net = NULL;
3024	while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
3025		/* Grab a network off the free list */
3026		if (!list_empty(&ai->network_free_list)) {
3027			tmp_net = list_entry(ai->network_free_list.next,
3028					    BSSListElement, list);
3029			list_del(ai->network_free_list.next);
3030		}
3031
3032		if (tmp_net != NULL) {
3033			memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3034			list_add_tail(&tmp_net->list, &ai->network_list);
3035			tmp_net = NULL;
3036		}
3037
3038		/* Read next entry */
3039		rc = PC4500_readrid(ai, ai->bssListNext,
3040				    &bss, ai->bssListRidLen, 0);
3041	}
3042
3043out:
3044	ai->scan_timeout = 0;
3045	clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3046	up(&ai->sem);
3047
3048	/* Send an empty event to user space.
3049	 * We don't send the received data on
3050	 * the event because it would require
3051	 * us to do complex transcoding, and
3052	 * we want to minimise the work done in
3053	 * the irq handler. Use a request to
3054	 * extract the data - Jean II */
3055	wrqu.data.length = 0;
3056	wrqu.data.flags = 0;
3057	wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3058}
3059
3060static int airo_thread(void *data) {
3061	struct net_device *dev = data;
3062	struct airo_info *ai = dev->ml_priv;
3063	int locked;
3064
3065	set_freezable();
3066	while(1) {
3067		/* make swsusp happy with our thread */
3068		try_to_freeze();
3069
3070		if (test_bit(JOB_DIE, &ai->jobs))
3071			break;
3072
3073		if (ai->jobs) {
3074			locked = down_interruptible(&ai->sem);
3075		} else {
3076			wait_queue_t wait;
3077
3078			init_waitqueue_entry(&wait, current);
3079			add_wait_queue(&ai->thr_wait, &wait);
3080			for (;;) {
3081				set_current_state(TASK_INTERRUPTIBLE);
3082				if (ai->jobs)
3083					break;
3084				if (ai->expires || ai->scan_timeout) {
3085					if (ai->scan_timeout &&
3086							time_after_eq(jiffies,ai->scan_timeout)){
3087						set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3088						break;
3089					} else if (ai->expires &&
3090							time_after_eq(jiffies,ai->expires)){
3091						set_bit(JOB_AUTOWEP, &ai->jobs);
3092						break;
3093					}
3094					if (!kthread_should_stop() &&
3095					    !freezing(current)) {
3096						unsigned long wake_at;
3097						if (!ai->expires || !ai->scan_timeout) {
3098							wake_at = max(ai->expires,
3099								ai->scan_timeout);
3100						} else {
3101							wake_at = min(ai->expires,
3102								ai->scan_timeout);
3103						}
3104						schedule_timeout(wake_at - jiffies);
3105						continue;
3106					}
3107				} else if (!kthread_should_stop() &&
3108					   !freezing(current)) {
3109					schedule();
3110					continue;
3111				}
3112				break;
3113			}
3114			current->state = TASK_RUNNING;
3115			remove_wait_queue(&ai->thr_wait, &wait);
3116			locked = 1;
3117		}
3118
3119		if (locked)
3120			continue;
3121
3122		if (test_bit(JOB_DIE, &ai->jobs)) {
3123			up(&ai->sem);
3124			break;
3125		}
3126
3127		if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3128			up(&ai->sem);
3129			continue;
3130		}
3131
3132		if (test_bit(JOB_XMIT, &ai->jobs))
3133			airo_end_xmit(dev);
3134		else if (test_bit(JOB_XMIT11, &ai->jobs))
3135			airo_end_xmit11(dev);
3136		else if (test_bit(JOB_STATS, &ai->jobs))
3137			airo_read_stats(dev);
3138		else if (test_bit(JOB_WSTATS, &ai->jobs))
3139			airo_read_wireless_stats(ai);
3140		else if (test_bit(JOB_PROMISC, &ai->jobs))
3141			airo_set_promisc(ai);
3142		else if (test_bit(JOB_MIC, &ai->jobs))
3143			micinit(ai);
3144		else if (test_bit(JOB_EVENT, &ai->jobs))
3145			airo_send_event(dev);
3146		else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3147			timer_func(dev);
3148		else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3149			airo_process_scan_results(ai);
3150		else  /* Shouldn't get here, but we make sure to unlock */
3151			up(&ai->sem);
3152	}
3153
3154	return 0;
3155}
3156
3157static int header_len(__le16 ctl)
3158{
3159	u16 fc = le16_to_cpu(ctl);
3160	switch (fc & 0xc) {
3161	case 4:
3162		if ((fc & 0xe0) == 0xc0)
3163			return 10;	/* one-address control packet */
3164		return 16;	/* two-address control packet */
3165	case 8:
3166		if ((fc & 0x300) == 0x300)
3167			return 30;	/* WDS packet */
3168	}
3169	return 24;
3170}
3171
3172static void airo_handle_cisco_mic(struct airo_info *ai)
3173{
3174	if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3175		set_bit(JOB_MIC, &ai->jobs);
3176		wake_up_interruptible(&ai->thr_wait);
3177	}
3178}
3179
3180/* Airo Status codes */
3181#define STAT_NOBEACON	0x8000 /* Loss of sync - missed beacons */
3182#define STAT_MAXRETRIES	0x8001 /* Loss of sync - max retries */
3183#define STAT_MAXARL	0x8002 /* Loss of sync - average retry level exceeded*/
3184#define STAT_FORCELOSS	0x8003 /* Loss of sync - host request */
3185#define STAT_TSFSYNC	0x8004 /* Loss of sync - TSF synchronization */
3186#define STAT_DEAUTH	0x8100 /* low byte is 802.11 reason code */
3187#define STAT_DISASSOC	0x8200 /* low byte is 802.11 reason code */
3188#define STAT_ASSOC_FAIL	0x8400 /* low byte is 802.11 reason code */
3189#define STAT_AUTH_FAIL	0x0300 /* low byte is 802.11 reason code */
3190#define STAT_ASSOC	0x0400 /* Associated */
3191#define STAT_REASSOC    0x0600 /* Reassociated?  Only on firmware >= 5.30.17 */
3192
3193static void airo_print_status(const char *devname, u16 status)
3194{
3195	u8 reason = status & 0xFF;
3196
3197	switch (status & 0xFF00) {
3198	case STAT_NOBEACON:
3199		switch (status) {
3200		case STAT_NOBEACON:
3201			airo_print_dbg(devname, "link lost (missed beacons)");
3202			break;
3203		case STAT_MAXRETRIES:
3204		case STAT_MAXARL:
3205			airo_print_dbg(devname, "link lost (max retries)");
3206			break;
3207		case STAT_FORCELOSS:
3208			airo_print_dbg(devname, "link lost (local choice)");
3209			break;
3210		case STAT_TSFSYNC:
3211			airo_print_dbg(devname, "link lost (TSF sync lost)");
3212			break;
3213		default:
3214			airo_print_dbg(devname, "unknown status %x\n", status);
3215			break;
3216		}
3217		break;
3218	case STAT_DEAUTH:
3219		airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3220		break;
3221	case STAT_DISASSOC:
3222		airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3223		break;
3224	case STAT_ASSOC_FAIL:
3225		airo_print_dbg(devname, "association failed (reason: %d)",
3226			       reason);
3227		break;
3228	case STAT_AUTH_FAIL:
3229		airo_print_dbg(devname, "authentication failed (reason: %d)",
3230			       reason);
3231		break;
3232	case STAT_ASSOC:
3233	case STAT_REASSOC:
3234		break;
3235	default:
3236		airo_print_dbg(devname, "unknown status %x\n", status);
3237		break;
3238	}
3239}
3240
3241static void airo_handle_link(struct airo_info *ai)
3242{
3243	union iwreq_data wrqu;
3244	int scan_forceloss = 0;
3245	u16 status;
3246
3247	/* Get new status and acknowledge the link change */
3248	status = le16_to_cpu(IN4500(ai, LINKSTAT));
3249	OUT4500(ai, EVACK, EV_LINK);
3250
3251	if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3252		scan_forceloss = 1;
3253
3254	airo_print_status(ai->dev->name, status);
3255
3256	if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3257		if (auto_wep)
3258			ai->expires = 0;
3259		if (ai->list_bss_task)
3260			wake_up_process(ai->list_bss_task);
3261		set_bit(FLAG_UPDATE_UNI, &ai->flags);
3262		set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3263
3264		if (down_trylock(&ai->sem) != 0) {
3265			set_bit(JOB_EVENT, &ai->jobs);
3266			wake_up_interruptible(&ai->thr_wait);
3267		} else
3268			airo_send_event(ai->dev);
3269	} else if (!scan_forceloss) {
3270		if (auto_wep && !ai->expires) {
3271			ai->expires = RUN_AT(3*HZ);
3272			wake_up_interruptible(&ai->thr_wait);
3273		}
3274
3275		/* Send event to user space */
3276		eth_zero_addr(wrqu.ap_addr.sa_data);
3277		wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3278		wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3279	}
3280}
3281
3282static void airo_handle_rx(struct airo_info *ai)
3283{
3284	struct sk_buff *skb = NULL;
3285	__le16 fc, v, *buffer, tmpbuf[4];
3286	u16 len, hdrlen = 0, gap, fid;
3287	struct rx_hdr hdr;
3288	int success = 0;
3289
3290	if (test_bit(FLAG_MPI, &ai->flags)) {
3291		if (test_bit(FLAG_802_11, &ai->flags))
3292			mpi_receive_802_11(ai);
3293		else
3294			mpi_receive_802_3(ai);
3295		OUT4500(ai, EVACK, EV_RX);
3296		return;
3297	}
3298
3299	fid = IN4500(ai, RXFID);
3300
3301	/* Get the packet length */
3302	if (test_bit(FLAG_802_11, &ai->flags)) {
3303		bap_setup (ai, fid, 4, BAP0);
3304		bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3305		/* Bad CRC. Ignore packet */
3306		if (le16_to_cpu(hdr.status) & 2)
3307			hdr.len = 0;
3308		if (ai->wifidev == NULL)
3309			hdr.len = 0;
3310	} else {
3311		bap_setup(ai, fid, 0x36, BAP0);
3312		bap_read(ai, &hdr.len, 2, BAP0);
3313	}
3314	len = le16_to_cpu(hdr.len);
3315
3316	if (len > AIRO_DEF_MTU) {
3317		airo_print_err(ai->dev->name, "Bad size %d", len);
3318		goto done;
3319	}
3320	if (len == 0)
3321		goto done;
3322
3323	if (test_bit(FLAG_802_11, &ai->flags)) {
3324		bap_read(ai, &fc, sizeof (fc), BAP0);
3325		hdrlen = header_len(fc);
3326	} else
3327		hdrlen = ETH_ALEN * 2;
3328
3329	skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3330	if (!skb) {
3331		ai->dev->stats.rx_dropped++;
3332		goto done;
3333	}
3334
3335	skb_reserve(skb, 2); /* This way the IP header is aligned */
3336	buffer = (__le16 *) skb_put(skb, len + hdrlen);
3337	if (test_bit(FLAG_802_11, &ai->flags)) {
3338		buffer[0] = fc;
3339		bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3340		if (hdrlen == 24)
3341			bap_read(ai, tmpbuf, 6, BAP0);
3342
3343		bap_read(ai, &v, sizeof(v), BAP0);
3344		gap = le16_to_cpu(v);
3345		if (gap) {
3346			if (gap <= 8) {
3347				bap_read(ai, tmpbuf, gap, BAP0);
3348			} else {
3349				airo_print_err(ai->dev->name, "gaplen too "
3350					"big. Problems will follow...");
3351			}
3352		}
3353		bap_read(ai, buffer + hdrlen/2, len, BAP0);
3354	} else {
3355		MICBuffer micbuf;
3356
3357		bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3358		if (ai->micstats.enabled) {
3359			bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3360			if (ntohs(micbuf.typelen) > 0x05DC)
3361				bap_setup(ai, fid, 0x44, BAP0);
3362			else {
3363				if (len <= sizeof (micbuf)) {
3364					dev_kfree_skb_irq(skb);
3365					goto done;
3366				}
3367
3368				len -= sizeof(micbuf);
3369				skb_trim(skb, len + hdrlen);
3370			}
3371		}
3372
3373		bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3374		if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3375			dev_kfree_skb_irq (skb);
3376		else
3377			success = 1;
3378	}
3379
3380#ifdef WIRELESS_SPY
3381	if (success && (ai->spy_data.spy_number > 0)) {
3382		char *sa;
3383		struct iw_quality wstats;
3384
3385		/* Prepare spy data : addr + qual */
3386		if (!test_bit(FLAG_802_11, &ai->flags)) {
3387			sa = (char *) buffer + 6;
3388			bap_setup(ai, fid, 8, BAP0);
3389			bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3390		} else
3391			sa = (char *) buffer + 10;
3392		wstats.qual = hdr.rssi[0];
3393		if (ai->rssi)
3394			wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3395		else
3396			wstats.level = (hdr.rssi[1] + 321) / 2;
3397		wstats.noise = ai->wstats.qual.noise;
3398		wstats.updated =  IW_QUAL_LEVEL_UPDATED
3399				| IW_QUAL_QUAL_UPDATED
3400				| IW_QUAL_DBM;
3401		/* Update spy records */
3402		wireless_spy_update(ai->dev, sa, &wstats);
3403	}
3404#endif /* WIRELESS_SPY */
3405
3406done:
3407	OUT4500(ai, EVACK, EV_RX);
3408
3409	if (success) {
3410		if (test_bit(FLAG_802_11, &ai->flags)) {
3411			skb_reset_mac_header(skb);
3412			skb->pkt_type = PACKET_OTHERHOST;
3413			skb->dev = ai->wifidev;
3414			skb->protocol = htons(ETH_P_802_2);
3415		} else
3416			skb->protocol = eth_type_trans(skb, ai->dev);
3417		skb->ip_summed = CHECKSUM_NONE;
3418
3419		netif_rx(skb);
3420	}
3421}
3422
3423static void airo_handle_tx(struct airo_info *ai, u16 status)
3424{
3425	int i, len = 0, index = -1;
3426	u16 fid;
3427
3428	if (test_bit(FLAG_MPI, &ai->flags)) {
3429		unsigned long flags;
3430
3431		if (status & EV_TXEXC)
3432			get_tx_error(ai, -1);
3433
3434		spin_lock_irqsave(&ai->aux_lock, flags);
3435		if (!skb_queue_empty(&ai->txq)) {
3436			spin_unlock_irqrestore(&ai->aux_lock,flags);
3437			mpi_send_packet(ai->dev);
3438		} else {
3439			clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3440			spin_unlock_irqrestore(&ai->aux_lock,flags);
3441			netif_wake_queue(ai->dev);
3442		}
3443		OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3444		return;
3445	}
3446
3447	fid = IN4500(ai, TXCOMPLFID);
3448
3449	for(i = 0; i < MAX_FIDS; i++) {
3450		if ((ai->fids[i] & 0xffff) == fid) {
3451			len = ai->fids[i] >> 16;
3452			index = i;
3453		}
3454	}
3455
3456	if (index != -1) {
3457		if (status & EV_TXEXC)
3458			get_tx_error(ai, index);
3459
3460		OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3461
3462		/* Set up to be used again */
3463		ai->fids[index] &= 0xffff;
3464		if (index < MAX_FIDS / 2) {
3465			if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3466				netif_wake_queue(ai->dev);
3467		} else {
3468			if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3469				netif_wake_queue(ai->wifidev);
3470		}
3471	} else {
3472		OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3473		airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3474	}
3475}
3476
3477static irqreturn_t airo_interrupt(int irq, void *dev_id)
3478{
3479	struct net_device *dev = dev_id;
3480	u16 status, savedInterrupts = 0;
3481	struct airo_info *ai = dev->ml_priv;
3482	int handled = 0;
3483
3484	if (!netif_device_present(dev))
3485		return IRQ_NONE;
3486
3487	for (;;) {
3488		status = IN4500(ai, EVSTAT);
3489		if (!(status & STATUS_INTS) || (status == 0xffff))
3490			break;
3491
3492		handled = 1;
3493
3494		if (status & EV_AWAKE) {
3495			OUT4500(ai, EVACK, EV_AWAKE);
3496			OUT4500(ai, EVACK, EV_AWAKE);
3497		}
3498
3499		if (!savedInterrupts) {
3500			savedInterrupts = IN4500(ai, EVINTEN);
3501			OUT4500(ai, EVINTEN, 0);
3502		}
3503
3504		if (status & EV_MIC) {
3505			OUT4500(ai, EVACK, EV_MIC);
3506			airo_handle_cisco_mic(ai);
3507		}
3508
3509		if (status & EV_LINK) {
3510			/* Link status changed */
3511			airo_handle_link(ai);
3512		}
3513
3514		/* Check to see if there is something to receive */
3515		if (status & EV_RX)
3516			airo_handle_rx(ai);
3517
3518		/* Check to see if a packet has been transmitted */
3519		if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3520			airo_handle_tx(ai, status);
3521
3522		if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3523			airo_print_warn(ai->dev->name, "Got weird status %x",
3524				status & ~STATUS_INTS & ~IGNORE_INTS );
3525		}
3526	}
3527
3528	if (savedInterrupts)
3529		OUT4500(ai, EVINTEN, savedInterrupts);
3530
3531	return IRQ_RETVAL(handled);
3532}
3533
3534/*
3535 *  Routines to talk to the card
3536 */
3537
3538/*
3539 *  This was originally written for the 4500, hence the name
3540 *  NOTE:  If use with 8bit mode and SMP bad things will happen!
3541 *         Why would some one do 8 bit IO in an SMP machine?!?
3542 */
3543static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3544	if (test_bit(FLAG_MPI,&ai->flags))
3545		reg <<= 1;
3546	if ( !do8bitIO )
3547		outw( val, ai->dev->base_addr + reg );
3548	else {
3549		outb( val & 0xff, ai->dev->base_addr + reg );
3550		outb( val >> 8, ai->dev->base_addr + reg + 1 );
3551	}
3552}
3553
3554static u16 IN4500( struct airo_info *ai, u16 reg ) {
3555	unsigned short rc;
3556
3557	if (test_bit(FLAG_MPI,&ai->flags))
3558		reg <<= 1;
3559	if ( !do8bitIO )
3560		rc = inw( ai->dev->base_addr + reg );
3561	else {
3562		rc = inb( ai->dev->base_addr + reg );
3563		rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3564	}
3565	return rc;
3566}
3567
3568static int enable_MAC(struct airo_info *ai, int lock)
3569{
3570	int rc;
3571	Cmd cmd;
3572	Resp rsp;
3573
3574	/* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3575	 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3576	 * Note : we could try to use !netif_running(dev) in enable_MAC()
3577	 * instead of this flag, but I don't trust it *within* the
3578	 * open/close functions, and testing both flags together is
3579	 * "cheaper" - Jean II */
3580	if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3581
3582	if (lock && down_interruptible(&ai->sem))
3583		return -ERESTARTSYS;
3584
3585	if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3586		memset(&cmd, 0, sizeof(cmd));
3587		cmd.cmd = MAC_ENABLE;
3588		rc = issuecommand(ai, &cmd, &rsp);
3589		if (rc == SUCCESS)
3590			set_bit(FLAG_ENABLED, &ai->flags);
3591	} else
3592		rc = SUCCESS;
3593
3594	if (lock)
3595	    up(&ai->sem);
3596
3597	if (rc)
3598		airo_print_err(ai->dev->name, "Cannot enable MAC");
3599	else if ((rsp.status & 0xFF00) != 0) {
3600		airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3601			"rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3602		rc = ERROR;
3603	}
3604	return rc;
3605}
3606
3607static void disable_MAC( struct airo_info *ai, int lock ) {
3608        Cmd cmd;
3609	Resp rsp;
3610
3611	if (lock && down_interruptible(&ai->sem))
3612		return;
3613
3614	if (test_bit(FLAG_ENABLED, &ai->flags)) {
3615		memset(&cmd, 0, sizeof(cmd));
3616		cmd.cmd = MAC_DISABLE; // disable in case already enabled
3617		issuecommand(ai, &cmd, &rsp);
3618		clear_bit(FLAG_ENABLED, &ai->flags);
3619	}
3620	if (lock)
3621		up(&ai->sem);
3622}
3623
3624static void enable_interrupts( struct airo_info *ai ) {
3625	/* Enable the interrupts */
3626	OUT4500( ai, EVINTEN, STATUS_INTS );
3627}
3628
3629static void disable_interrupts( struct airo_info *ai ) {
3630	OUT4500( ai, EVINTEN, 0 );
3631}
3632
3633static void mpi_receive_802_3(struct airo_info *ai)
3634{
3635	RxFid rxd;
3636	int len = 0;
3637	struct sk_buff *skb;
3638	char *buffer;
3639	int off = 0;
3640	MICBuffer micbuf;
3641
3642	memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3643	/* Make sure we got something */
3644	if (rxd.rdy && rxd.valid == 0) {
3645		len = rxd.len + 12;
3646		if (len < 12 || len > 2048)
3647			goto badrx;
3648
3649		skb = dev_alloc_skb(len);
3650		if (!skb) {
3651			ai->dev->stats.rx_dropped++;
3652			goto badrx;
3653		}
3654		buffer = skb_put(skb,len);
3655		memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3656		if (ai->micstats.enabled) {
3657			memcpy(&micbuf,
3658				ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3659				sizeof(micbuf));
3660			if (ntohs(micbuf.typelen) <= 0x05DC) {
3661				if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3662					goto badmic;
3663
3664				off = sizeof(micbuf);
3665				skb_trim (skb, len - off);
3666			}
3667		}
3668		memcpy(buffer + ETH_ALEN * 2,
3669			ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3670			len - ETH_ALEN * 2 - off);
3671		if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3672badmic:
3673			dev_kfree_skb_irq (skb);
3674			goto badrx;
3675		}
3676#ifdef WIRELESS_SPY
3677		if (ai->spy_data.spy_number > 0) {
3678			char *sa;
3679			struct iw_quality wstats;
3680			/* Prepare spy data : addr + qual */
3681			sa = buffer + ETH_ALEN;
3682			wstats.qual = 0; /* XXX Where do I get that info from ??? */
3683			wstats.level = 0;
3684			wstats.updated = 0;
3685			/* Update spy records */
3686			wireless_spy_update(ai->dev, sa, &wstats);
3687		}
3688#endif /* WIRELESS_SPY */
3689
3690		skb->ip_summed = CHECKSUM_NONE;
3691		skb->protocol = eth_type_trans(skb, ai->dev);
3692		netif_rx(skb);
3693	}
3694badrx:
3695	if (rxd.valid == 0) {
3696		rxd.valid = 1;
3697		rxd.rdy = 0;
3698		rxd.len = PKTSIZE;
3699		memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3700	}
3701}
3702
3703static void mpi_receive_802_11(struct airo_info *ai)
3704{
3705	RxFid rxd;
3706	struct sk_buff *skb = NULL;
3707	u16 len, hdrlen = 0;
3708	__le16 fc;
3709	struct rx_hdr hdr;
3710	u16 gap;
3711	u16 *buffer;
3712	char *ptr = ai->rxfids[0].virtual_host_addr + 4;
3713
3714	memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3715	memcpy ((char *)&hdr, ptr, sizeof(hdr));
3716	ptr += sizeof(hdr);
3717	/* Bad CRC. Ignore packet */
3718	if (le16_to_cpu(hdr.status) & 2)
3719		hdr.len = 0;
3720	if (ai->wifidev == NULL)
3721		hdr.len = 0;
3722	len = le16_to_cpu(hdr.len);
3723	if (len > AIRO_DEF_MTU) {
3724		airo_print_err(ai->dev->name, "Bad size %d", len);
3725		goto badrx;
3726	}
3727	if (len == 0)
3728		goto badrx;
3729
3730	fc = get_unaligned((__le16 *)ptr);
3731	hdrlen = header_len(fc);
3732
3733	skb = dev_alloc_skb( len + hdrlen + 2 );
3734	if ( !skb ) {
3735		ai->dev->stats.rx_dropped++;
3736		goto badrx;
3737	}
3738	buffer = (u16*)skb_put (skb, len + hdrlen);
3739	memcpy ((char *)buffer, ptr, hdrlen);
3740	ptr += hdrlen;
3741	if (hdrlen == 24)
3742		ptr += 6;
3743	gap = get_unaligned_le16(ptr);
3744	ptr += sizeof(__le16);
3745	if (gap) {
3746		if (gap <= 8)
3747			ptr += gap;
3748		else
3749			airo_print_err(ai->dev->name,
3750			    "gaplen too big. Problems will follow...");
3751	}
3752	memcpy ((char *)buffer + hdrlen, ptr, len);
3753	ptr += len;
3754#ifdef IW_WIRELESS_SPY	  /* defined in iw_handler.h */
3755	if (ai->spy_data.spy_number > 0) {
3756		char *sa;
3757		struct iw_quality wstats;
3758		/* Prepare spy data : addr + qual */
3759		sa = (char*)buffer + 10;
3760		wstats.qual = hdr.rssi[0];
3761		if (ai->rssi)
3762			wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3763		else
3764			wstats.level = (hdr.rssi[1] + 321) / 2;
3765		wstats.noise = ai->wstats.qual.noise;
3766		wstats.updated = IW_QUAL_QUAL_UPDATED
3767			| IW_QUAL_LEVEL_UPDATED
3768			| IW_QUAL_DBM;
3769		/* Update spy records */
3770		wireless_spy_update(ai->dev, sa, &wstats);
3771	}
3772#endif /* IW_WIRELESS_SPY */
3773	skb_reset_mac_header(skb);
3774	skb->pkt_type = PACKET_OTHERHOST;
3775	skb->dev = ai->wifidev;
3776	skb->protocol = htons(ETH_P_802_2);
3777	skb->ip_summed = CHECKSUM_NONE;
3778	netif_rx( skb );
3779
3780badrx:
3781	if (rxd.valid == 0) {
3782		rxd.valid = 1;
3783		rxd.rdy = 0;
3784		rxd.len = PKTSIZE;
3785		memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3786	}
3787}
3788
3789static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3790{
3791	Cmd cmd;
3792	Resp rsp;
3793	int status;
3794	SsidRid mySsid;
3795	__le16 lastindex;
3796	WepKeyRid wkr;
3797	int rc;
3798
3799	memset( &mySsid, 0, sizeof( mySsid ) );
3800	kfree (ai->flash);
3801	ai->flash = NULL;
3802
3803	/* The NOP is the first step in getting the card going */
3804	cmd.cmd = NOP;
3805	cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3806	if (lock && down_interruptible(&ai->sem))
3807		return ERROR;
3808	if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3809		if (lock)
3810			up(&ai->sem);
3811		return ERROR;
3812	}
3813	disable_MAC( ai, 0);
3814
3815	// Let's figure out if we need to use the AUX port
3816	if (!test_bit(FLAG_MPI,&ai->flags)) {
3817		cmd.cmd = CMD_ENABLEAUX;
3818		if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3819			if (lock)
3820				up(&ai->sem);
3821			airo_print_err(ai->dev->name, "Error checking for AUX port");
3822			return ERROR;
3823		}
3824		if (!aux_bap || rsp.status & 0xff00) {
3825			ai->bap_read = fast_bap_read;
3826			airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3827		} else {
3828			ai->bap_read = aux_bap_read;
3829			airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3830		}
3831	}
3832	if (lock)
3833		up(&ai->sem);
3834	if (ai->config.len == 0) {
3835		int i;
3836		tdsRssiRid rssi_rid;
3837		CapabilityRid cap_rid;
3838
3839		kfree(ai->APList);
3840		ai->APList = NULL;
3841		kfree(ai->SSID);
3842		ai->SSID = NULL;
3843		// general configuration (read/modify/write)
3844		status = readConfigRid(ai, lock);
3845		if ( status != SUCCESS ) return ERROR;
3846
3847		status = readCapabilityRid(ai, &cap_rid, lock);
3848		if ( status != SUCCESS ) return ERROR;
3849
3850		status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3851		if ( status == SUCCESS ) {
3852			if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3853				memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3854		}
3855		else {
3856			kfree(ai->rssi);
3857			ai->rssi = NULL;
3858			if (cap_rid.softCap & cpu_to_le16(8))
3859				ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3860			else
3861				airo_print_warn(ai->dev->name, "unknown received signal "
3862						"level scale");
3863		}
3864		ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3865		ai->config.authType = AUTH_OPEN;
3866		ai->config.modulation = MOD_CCK;
3867
3868		if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3869		    (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3870		    micsetup(ai) == SUCCESS) {
3871			ai->config.opmode |= MODE_MIC;
3872			set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3873		}
3874
3875		/* Save off the MAC */
3876		for( i = 0; i < ETH_ALEN; i++ ) {
3877			mac[i] = ai->config.macAddr[i];
3878		}
3879
3880		/* Check to see if there are any insmod configured
3881		   rates to add */
3882		if ( rates[0] ) {
3883			memset(ai->config.rates,0,sizeof(ai->config.rates));
3884			for( i = 0; i < 8 && rates[i]; i++ ) {
3885				ai->config.rates[i] = rates[i];
3886			}
3887		}
3888		set_bit (FLAG_COMMIT, &ai->flags);
3889	}
3890
3891	/* Setup the SSIDs if present */
3892	if ( ssids[0] ) {
3893		int i;
3894		for( i = 0; i < 3 && ssids[i]; i++ ) {
3895			size_t len = strlen(ssids[i]);
3896			if (len > 32)
3897				len = 32;
3898			mySsid.ssids[i].len = cpu_to_le16(len);
3899			memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3900		}
3901		mySsid.len = cpu_to_le16(sizeof(mySsid));
3902	}
3903
3904	status = writeConfigRid(ai, lock);
3905	if ( status != SUCCESS ) return ERROR;
3906
3907	/* Set up the SSID list */
3908	if ( ssids[0] ) {
3909		status = writeSsidRid(ai, &mySsid, lock);
3910		if ( status != SUCCESS ) return ERROR;
3911	}
3912
3913	status = enable_MAC(ai, lock);
3914	if (status != SUCCESS)
3915		return ERROR;
3916
3917	/* Grab the initial wep key, we gotta save it for auto_wep */
3918	rc = readWepKeyRid(ai, &wkr, 1, lock);
3919	if (rc == SUCCESS) do {
3920		lastindex = wkr.kindex;
3921		if (wkr.kindex == cpu_to_le16(0xffff)) {
3922			ai->defindex = wkr.mac[0];
3923		}
3924		rc = readWepKeyRid(ai, &wkr, 0, lock);
3925	} while(lastindex != wkr.kindex);
3926
3927	try_auto_wep(ai);
3928
3929	return SUCCESS;
3930}
3931
3932static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3933        // Im really paranoid about letting it run forever!
3934	int max_tries = 600000;
3935
3936	if (IN4500(ai, EVSTAT) & EV_CMD)
3937		OUT4500(ai, EVACK, EV_CMD);
3938
3939	OUT4500(ai, PARAM0, pCmd->parm0);
3940	OUT4500(ai, PARAM1, pCmd->parm1);
3941	OUT4500(ai, PARAM2, pCmd->parm2);
3942	OUT4500(ai, COMMAND, pCmd->cmd);
3943
3944	while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3945		if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3946			// PC4500 didn't notice command, try again
3947			OUT4500(ai, COMMAND, pCmd->cmd);
3948		if (!in_atomic() && (max_tries & 255) == 0)
3949			schedule();
3950	}
3951
3952	if ( max_tries == -1 ) {
3953		airo_print_err(ai->dev->name,
3954			"Max tries exceeded when issuing command");
3955		if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3956			OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3957		return ERROR;
3958	}
3959
3960	// command completed
3961	pRsp->status = IN4500(ai, STATUS);
3962	pRsp->rsp0 = IN4500(ai, RESP0);
3963	pRsp->rsp1 = IN4500(ai, RESP1);
3964	pRsp->rsp2 = IN4500(ai, RESP2);
3965	if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3966		airo_print_err(ai->dev->name,
3967			"cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3968			pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3969			pRsp->rsp2);
3970
3971	// clear stuck command busy if necessary
3972	if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3973		OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3974	}
3975	// acknowledge processing the status/response
3976	OUT4500(ai, EVACK, EV_CMD);
3977
3978	return SUCCESS;
3979}
3980
3981/* Sets up the bap to start exchange data.  whichbap should
3982 * be one of the BAP0 or BAP1 defines.  Locks should be held before
3983 * calling! */
3984static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3985{
3986	int timeout = 50;
3987	int max_tries = 3;
3988
3989	OUT4500(ai, SELECT0+whichbap, rid);
3990	OUT4500(ai, OFFSET0+whichbap, offset);
3991	while (1) {
3992		int status = IN4500(ai, OFFSET0+whichbap);
3993		if (status & BAP_BUSY) {
3994                        /* This isn't really a timeout, but its kinda
3995			   close */
3996			if (timeout--) {
3997				continue;
3998			}
3999		} else if ( status & BAP_ERR ) {
4000			/* invalid rid or offset */
4001			airo_print_err(ai->dev->name, "BAP error %x %d",
4002				status, whichbap );
4003			return ERROR;
4004		} else if (status & BAP_DONE) { // success
4005			return SUCCESS;
4006		}
4007		if ( !(max_tries--) ) {
4008			airo_print_err(ai->dev->name,
4009				"BAP setup error too many retries\n");
4010			return ERROR;
4011		}
4012		// -- PC4500 missed it, try again
4013		OUT4500(ai, SELECT0+whichbap, rid);
4014		OUT4500(ai, OFFSET0+whichbap, offset);
4015		timeout = 50;
4016	}
4017}
4018
4019/* should only be called by aux_bap_read.  This aux function and the
4020   following use concepts not documented in the developers guide.  I
4021   got them from a patch given to my by Aironet */
4022static u16 aux_setup(struct airo_info *ai, u16 page,
4023		     u16 offset, u16 *len)
4024{
4025	u16 next;
4026
4027	OUT4500(ai, AUXPAGE, page);
4028	OUT4500(ai, AUXOFF, 0);
4029	next = IN4500(ai, AUXDATA);
4030	*len = IN4500(ai, AUXDATA)&0xff;
4031	if (offset != 4) OUT4500(ai, AUXOFF, offset);
4032	return next;
4033}
4034
4035/* requires call to bap_setup() first */
4036static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4037			int bytelen, int whichbap)
4038{
4039	u16 len;
4040	u16 page;
4041	u16 offset;
4042	u16 next;
4043	int words;
4044	int i;
4045	unsigned long flags;
4046
4047	spin_lock_irqsave(&ai->aux_lock, flags);
4048	page = IN4500(ai, SWS0+whichbap);
4049	offset = IN4500(ai, SWS2+whichbap);
4050	next = aux_setup(ai, page, offset, &len);
4051	words = (bytelen+1)>>1;
4052
4053	for (i=0; i<words;) {
4054		int count;
4055		count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4056		if ( !do8bitIO )
4057			insw( ai->dev->base_addr+DATA0+whichbap,
4058			      pu16Dst+i,count );
4059		else
4060			insb( ai->dev->base_addr+DATA0+whichbap,
4061			      pu16Dst+i, count << 1 );
4062		i += count;
4063		if (i<words) {
4064			next = aux_setup(ai, next, 4, &len);
4065		}
4066	}
4067	spin_unlock_irqrestore(&ai->aux_lock, flags);
4068	return SUCCESS;
4069}
4070
4071
4072/* requires call to bap_setup() first */
4073static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4074			 int bytelen, int whichbap)
4075{
4076	bytelen = (bytelen + 1) & (~1); // round up to even value
4077	if ( !do8bitIO )
4078		insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4079	else
4080		insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4081	return SUCCESS;
4082}
4083
4084/* requires call to bap_setup() first */
4085static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4086		     int bytelen, int whichbap)
4087{
4088	bytelen = (bytelen + 1) & (~1); // round up to even value
4089	if ( !do8bitIO )
4090		outsw( ai->dev->base_addr+DATA0+whichbap,
4091		       pu16Src, bytelen>>1 );
4092	else
4093		outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4094	return SUCCESS;
4095}
4096
4097static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4098{
4099	Cmd cmd; /* for issuing commands */
4100	Resp rsp; /* response from commands */
4101	u16 status;
4102
4103	memset(&cmd, 0, sizeof(cmd));
4104	cmd.cmd = accmd;
4105	cmd.parm0 = rid;
4106	status = issuecommand(ai, &cmd, &rsp);
4107	if (status != 0) return status;
4108	if ( (rsp.status & 0x7F00) != 0) {
4109		return (accmd << 8) + (rsp.rsp0 & 0xFF);
4110	}
4111	return 0;
4112}
4113
4114/*  Note, that we are using BAP1 which is also used by transmit, so
4115 *  we must get a lock. */
4116static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4117{
4118	u16 status;
4119        int rc = SUCCESS;
4120
4121	if (lock) {
4122		if (down_interruptible(&ai->sem))
4123			return ERROR;
4124	}
4125	if (test_bit(FLAG_MPI,&ai->flags)) {
4126		Cmd cmd;
4127		Resp rsp;
4128
4129		memset(&cmd, 0, sizeof(cmd));
4130		memset(&rsp, 0, sizeof(rsp));
4131		ai->config_desc.rid_desc.valid = 1;
4132		ai->config_desc.rid_desc.len = RIDSIZE;
4133		ai->config_desc.rid_desc.rid = 0;
4134		ai->config_desc.rid_desc.host_addr = ai->ridbus;
4135
4136		cmd.cmd = CMD_ACCESS;
4137		cmd.parm0 = rid;
4138
4139		memcpy_toio(ai->config_desc.card_ram_off,
4140			&ai->config_desc.rid_desc, sizeof(Rid));
4141
4142		rc = issuecommand(ai, &cmd, &rsp);
4143
4144		if (rsp.status & 0x7f00)
4145			rc = rsp.rsp0;
4146		if (!rc)
4147			memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4148		goto done;
4149	} else {
4150		if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4151	                rc = status;
4152	                goto done;
4153	        }
4154		if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4155			rc = ERROR;
4156	                goto done;
4157	        }
4158		// read the rid length field
4159		bap_read(ai, pBuf, 2, BAP1);
4160		// length for remaining part of rid
4161		len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4162
4163		if ( len <= 2 ) {
4164			airo_print_err(ai->dev->name,
4165				"Rid %x has a length of %d which is too short",
4166				(int)rid, (int)len );
4167			rc = ERROR;
4168	                goto done;
4169		}
4170		// read remainder of the rid
4171		rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4172	}
4173done:
4174	if (lock)
4175		up(&ai->sem);
4176	return rc;
4177}
4178
4179/*  Note, that we are using BAP1 which is also used by transmit, so
4180 *  make sure this isn't called when a transmit is happening */
4181static int PC4500_writerid(struct airo_info *ai, u16 rid,
4182			   const void *pBuf, int len, int lock)
4183{
4184	u16 status;
4185	int rc = SUCCESS;
4186
4187	*(__le16*)pBuf = cpu_to_le16((u16)len);
4188
4189	if (lock) {
4190		if (down_interruptible(&ai->sem))
4191			return ERROR;
4192	}
4193	if (test_bit(FLAG_MPI,&ai->flags)) {
4194		Cmd cmd;
4195		Resp rsp;
4196
4197		if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4198			airo_print_err(ai->dev->name,
4199				"%s: MAC should be disabled (rid=%04x)",
4200				__func__, rid);
4201		memset(&cmd, 0, sizeof(cmd));
4202		memset(&rsp, 0, sizeof(rsp));
4203
4204		ai->config_desc.rid_desc.valid = 1;
4205		ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4206		ai->config_desc.rid_desc.rid = 0;
4207
4208		cmd.cmd = CMD_WRITERID;
4209		cmd.parm0 = rid;
4210
4211		memcpy_toio(ai->config_desc.card_ram_off,
4212			&ai->config_desc.rid_desc, sizeof(Rid));
4213
4214		if (len < 4 || len > 2047) {
4215			airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4216			rc = -1;
4217		} else {
4218			memcpy(ai->config_desc.virtual_host_addr,
4219				pBuf, len);
4220
4221			rc = issuecommand(ai, &cmd, &rsp);
4222			if ((rc & 0xff00) != 0) {
4223				airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4224						__func__, rc);
4225				airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4226						__func__, cmd.cmd);
4227			}
4228
4229			if ((rsp.status & 0x7f00))
4230				rc = rsp.rsp0;
4231		}
4232	} else {
4233		// --- first access so that we can write the rid data
4234		if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4235	                rc = status;
4236	                goto done;
4237	        }
4238		// --- now write the rid data
4239		if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4240	                rc = ERROR;
4241	                goto done;
4242	        }
4243		bap_write(ai, pBuf, len, BAP1);
4244		// ---now commit the rid data
4245		rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4246	}
4247done:
4248	if (lock)
4249		up(&ai->sem);
4250        return rc;
4251}
4252
4253/* Allocates a FID to be used for transmitting packets.  We only use
4254   one for now. */
4255static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4256{
4257	unsigned int loop = 3000;
4258	Cmd cmd;
4259	Resp rsp;
4260	u16 txFid;
4261	__le16 txControl;
4262
4263	cmd.cmd = CMD_ALLOCATETX;
4264	cmd.parm0 = lenPayload;
4265	if (down_interruptible(&ai->sem))
4266		return ERROR;
4267	if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4268		txFid = ERROR;
4269		goto done;
4270	}
4271	if ( (rsp.status & 0xFF00) != 0) {
4272		txFid = ERROR;
4273		goto done;
4274	}
4275	/* wait for the allocate event/indication
4276	 * It makes me kind of nervous that this can just sit here and spin,
4277	 * but in practice it only loops like four times. */
4278	while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4279	if (!loop) {
4280		txFid = ERROR;
4281		goto done;
4282	}
4283
4284	// get the allocated fid and acknowledge
4285	txFid = IN4500(ai, TXALLOCFID);
4286	OUT4500(ai, EVACK, EV_ALLOC);
4287
4288	/*  The CARD is pretty cool since it converts the ethernet packet
4289	 *  into 802.11.  Also note that we don't release the FID since we
4290	 *  will be using the same one over and over again. */
4291	/*  We only have to setup the control once since we are not
4292	 *  releasing the fid. */
4293	if (raw)
4294		txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4295			| TXCTL_ETHERNET | TXCTL_NORELEASE);
4296	else
4297		txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4298			| TXCTL_ETHERNET | TXCTL_NORELEASE);
4299	if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4300		txFid = ERROR;
4301	else
4302		bap_write(ai, &txControl, sizeof(txControl), BAP1);
4303
4304done:
4305	up(&ai->sem);
4306
4307	return txFid;
4308}
4309
4310/* In general BAP1 is dedicated to transmiting packets.  However,
4311   since we need a BAP when accessing RIDs, we also use BAP1 for that.
4312   Make sure the BAP1 spinlock is held when this is called. */
4313static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4314{
4315	__le16 payloadLen;
4316	Cmd cmd;
4317	Resp rsp;
4318	int miclen = 0;
4319	u16 txFid = len;
4320	MICBuffer pMic;
4321
4322	len >>= 16;
4323
4324	if (len <= ETH_ALEN * 2) {
4325		airo_print_warn(ai->dev->name, "Short packet %d", len);
4326		return ERROR;
4327	}
4328	len -= ETH_ALEN * 2;
4329
4330	if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4331	    (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4332		if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4333			return ERROR;
4334		miclen = sizeof(pMic);
4335	}
4336	// packet is destination[6], source[6], payload[len-12]
4337	// write the payload length and dst/src/payload
4338	if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4339	/* The hardware addresses aren't counted as part of the payload, so
4340	 * we have to subtract the 12 bytes for the addresses off */
4341	payloadLen = cpu_to_le16(len + miclen);
4342	bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4343	bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4344	if (miclen)
4345		bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4346	bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4347	// issue the transmit command
4348	memset( &cmd, 0, sizeof( cmd ) );
4349	cmd.cmd = CMD_TRANSMIT;
4350	cmd.parm0 = txFid;
4351	if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4352	if ( (rsp.status & 0xFF00) != 0) return ERROR;
4353	return SUCCESS;
4354}
4355
4356static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4357{
4358	__le16 fc, payloadLen;
4359	Cmd cmd;
4360	Resp rsp;
4361	int hdrlen;
4362	static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4363	/* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4364	u16 txFid = len;
4365	len >>= 16;
4366
4367	fc = *(__le16*)pPacket;
4368	hdrlen = header_len(fc);
4369
4370	if (len < hdrlen) {
4371		airo_print_warn(ai->dev->name, "Short packet %d", len);
4372		return ERROR;
4373	}
4374
4375	/* packet is 802.11 header +  payload
4376	 * write the payload length and dst/src/payload */
4377	if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4378	/* The 802.11 header aren't counted as part of the payload, so
4379	 * we have to subtract the header bytes off */
4380	payloadLen = cpu_to_le16(len-hdrlen);
4381	bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4382	if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4383	bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4384	bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4385
4386	bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4387	// issue the transmit command
4388	memset( &cmd, 0, sizeof( cmd ) );
4389	cmd.cmd = CMD_TRANSMIT;
4390	cmd.parm0 = txFid;
4391	if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4392	if ( (rsp.status & 0xFF00) != 0) return ERROR;
4393	return SUCCESS;
4394}
4395
4396/*
4397 *  This is the proc_fs routines.  It is a bit messier than I would
4398 *  like!  Feel free to clean it up!
4399 */
4400
4401static ssize_t proc_read( struct file *file,
4402			  char __user *buffer,
4403			  size_t len,
4404			  loff_t *offset);
4405
4406static ssize_t proc_write( struct file *file,
4407			   const char __user *buffer,
4408			   size_t len,
4409			   loff_t *offset );
4410static int proc_close( struct inode *inode, struct file *file );
4411
4412static int proc_stats_open( struct inode *inode, struct file *file );
4413static int proc_statsdelta_open( struct inode *inode, struct file *file );
4414static int proc_status_open( struct inode *inode, struct file *file );
4415static int proc_SSID_open( struct inode *inode, struct file *file );
4416static int proc_APList_open( struct inode *inode, struct file *file );
4417static int proc_BSSList_open( struct inode *inode, struct file *file );
4418static int proc_config_open( struct inode *inode, struct file *file );
4419static int proc_wepkey_open( struct inode *inode, struct file *file );
4420
4421static const struct file_operations proc_statsdelta_ops = {
4422	.owner		= THIS_MODULE,
4423	.read		= proc_read,
4424	.open		= proc_statsdelta_open,
4425	.release	= proc_close,
4426	.llseek		= default_llseek,
4427};
4428
4429static const struct file_operations proc_stats_ops = {
4430	.owner		= THIS_MODULE,
4431	.read		= proc_read,
4432	.open		= proc_stats_open,
4433	.release	= proc_close,
4434	.llseek		= default_llseek,
4435};
4436
4437static const struct file_operations proc_status_ops = {
4438	.owner		= THIS_MODULE,
4439	.read		= proc_read,
4440	.open		= proc_status_open,
4441	.release	= proc_close,
4442	.llseek		= default_llseek,
4443};
4444
4445static const struct file_operations proc_SSID_ops = {
4446	.owner		= THIS_MODULE,
4447	.read		= proc_read,
4448	.write		= proc_write,
4449	.open		= proc_SSID_open,
4450	.release	= proc_close,
4451	.llseek		= default_llseek,
4452};
4453
4454static const struct file_operations proc_BSSList_ops = {
4455	.owner		= THIS_MODULE,
4456	.read		= proc_read,
4457	.write		= proc_write,
4458	.open		= proc_BSSList_open,
4459	.release	= proc_close,
4460	.llseek		= default_llseek,
4461};
4462
4463static const struct file_operations proc_APList_ops = {
4464	.owner		= THIS_MODULE,
4465	.read		= proc_read,
4466	.write		= proc_write,
4467	.open		= proc_APList_open,
4468	.release	= proc_close,
4469	.llseek		= default_llseek,
4470};
4471
4472static const struct file_operations proc_config_ops = {
4473	.owner		= THIS_MODULE,
4474	.read		= proc_read,
4475	.write		= proc_write,
4476	.open		= proc_config_open,
4477	.release	= proc_close,
4478	.llseek		= default_llseek,
4479};
4480
4481static const struct file_operations proc_wepkey_ops = {
4482	.owner		= THIS_MODULE,
4483	.read		= proc_read,
4484	.write		= proc_write,
4485	.open		= proc_wepkey_open,
4486	.release	= proc_close,
4487	.llseek		= default_llseek,
4488};
4489
4490static struct proc_dir_entry *airo_entry;
4491
4492struct proc_data {
4493	int release_buffer;
4494	int readlen;
4495	char *rbuffer;
4496	int writelen;
4497	int maxwritelen;
4498	char *wbuffer;
4499	void (*on_close) (struct inode *, struct file *);
4500};
4501
4502static int setup_proc_entry( struct net_device *dev,
4503			     struct airo_info *apriv ) {
4504	struct proc_dir_entry *entry;
4505
4506	/* First setup the device directory */
4507	strcpy(apriv->proc_name,dev->name);
4508	apriv->proc_entry = proc_mkdir_mode(apriv->proc_name, airo_perm,
4509					    airo_entry);
4510	if (!apriv->proc_entry)
4511		return -ENOMEM;
4512	proc_set_user(apriv->proc_entry, proc_kuid, proc_kgid);
4513
4514	/* Setup the StatsDelta */
4515	entry = proc_create_data("StatsDelta", S_IRUGO & proc_perm,
4516				 apriv->proc_entry, &proc_statsdelta_ops, dev);
4517	if (!entry)
4518		goto fail;
4519	proc_set_user(entry, proc_kuid, proc_kgid);
4520
4521	/* Setup the Stats */
4522	entry = proc_create_data("Stats", S_IRUGO & proc_perm,
4523				 apriv->proc_entry, &proc_stats_ops, dev);
4524	if (!entry)
4525		goto fail;
4526	proc_set_user(entry, proc_kuid, proc_kgid);
4527
4528	/* Setup the Status */
4529	entry = proc_create_data("Status", S_IRUGO & proc_perm,
4530				 apriv->proc_entry, &proc_status_ops, dev);
4531	if (!entry)
4532		goto fail;
4533	proc_set_user(entry, proc_kuid, proc_kgid);
4534
4535	/* Setup the Config */
4536	entry = proc_create_data("Config", proc_perm,
4537				 apriv->proc_entry, &proc_config_ops, dev);
4538	if (!entry)
4539		goto fail;
4540	proc_set_user(entry, proc_kuid, proc_kgid);
4541
4542	/* Setup the SSID */
4543	entry = proc_create_data("SSID", proc_perm,
4544				 apriv->proc_entry, &proc_SSID_ops, dev);
4545	if (!entry)
4546		goto fail;
4547	proc_set_user(entry, proc_kuid, proc_kgid);
4548
4549	/* Setup the APList */
4550	entry = proc_create_data("APList", proc_perm,
4551				 apriv->proc_entry, &proc_APList_ops, dev);
4552	if (!entry)
4553		goto fail;
4554	proc_set_user(entry, proc_kuid, proc_kgid);
4555
4556	/* Setup the BSSList */
4557	entry = proc_create_data("BSSList", proc_perm,
4558				 apriv->proc_entry, &proc_BSSList_ops, dev);
4559	if (!entry)
4560		goto fail;
4561	proc_set_user(entry, proc_kuid, proc_kgid);
4562
4563	/* Setup the WepKey */
4564	entry = proc_create_data("WepKey", proc_perm,
4565				 apriv->proc_entry, &proc_wepkey_ops, dev);
4566	if (!entry)
4567		goto fail;
4568	proc_set_user(entry, proc_kuid, proc_kgid);
4569	return 0;
4570
4571fail:
4572	remove_proc_subtree(apriv->proc_name, airo_entry);
4573	return -ENOMEM;
4574}
4575
4576static int takedown_proc_entry( struct net_device *dev,
4577				struct airo_info *apriv )
4578{
4579	remove_proc_subtree(apriv->proc_name, airo_entry);
4580	return 0;
4581}
4582
4583/*
4584 *  What we want from the proc_fs is to be able to efficiently read
4585 *  and write the configuration.  To do this, we want to read the
4586 *  configuration when the file is opened and write it when the file is
4587 *  closed.  So basically we allocate a read buffer at open and fill it
4588 *  with data, and allocate a write buffer and read it at close.
4589 */
4590
4591/*
4592 *  The read routine is generic, it relies on the preallocated rbuffer
4593 *  to supply the data.
4594 */
4595static ssize_t proc_read( struct file *file,
4596			  char __user *buffer,
4597			  size_t len,
4598			  loff_t *offset )
4599{
4600	struct proc_data *priv = file->private_data;
4601
4602	if (!priv->rbuffer)
4603		return -EINVAL;
4604
4605	return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4606					priv->readlen);
4607}
4608
4609/*
4610 *  The write routine is generic, it fills in a preallocated rbuffer
4611 *  to supply the data.
4612 */
4613static ssize_t proc_write( struct file *file,
4614			   const char __user *buffer,
4615			   size_t len,
4616			   loff_t *offset )
4617{
4618	ssize_t ret;
4619	struct proc_data *priv = file->private_data;
4620
4621	if (!priv->wbuffer)
4622		return -EINVAL;
4623
4624	ret = simple_write_to_buffer(priv->wbuffer, priv->maxwritelen, offset,
4625					buffer, len);
4626	if (ret > 0)
4627		priv->writelen = max_t(int, priv->writelen, *offset);
4628
4629	return ret;
4630}
4631
4632static int proc_status_open(struct inode *inode, struct file *file)
4633{
4634	struct proc_data *data;
4635	struct net_device *dev = PDE_DATA(inode);
4636	struct airo_info *apriv = dev->ml_priv;
4637	CapabilityRid cap_rid;
4638	StatusRid status_rid;
4639	u16 mode;
4640	int i;
4641
4642	if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4643		return -ENOMEM;
4644	data = file->private_data;
4645	if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4646		kfree (file->private_data);
4647		return -ENOMEM;
4648	}
4649
4650	readStatusRid(apriv, &status_rid, 1);
4651	readCapabilityRid(apriv, &cap_rid, 1);
4652
4653	mode = le16_to_cpu(status_rid.mode);
4654
4655        i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4656                    mode & 1 ? "CFG ": "",
4657                    mode & 2 ? "ACT ": "",
4658                    mode & 0x10 ? "SYN ": "",
4659                    mode & 0x20 ? "LNK ": "",
4660                    mode & 0x40 ? "LEAP ": "",
4661                    mode & 0x80 ? "PRIV ": "",
4662                    mode & 0x100 ? "KEY ": "",
4663                    mode & 0x200 ? "WEP ": "",
4664                    mode & 0x8000 ? "ERR ": "");
4665	sprintf( data->rbuffer+i, "Mode: %x\n"
4666		 "Signal Strength: %d\n"
4667		 "Signal Quality: %d\n"
4668		 "SSID: %-.*s\n"
4669		 "AP: %-.16s\n"
4670		 "Freq: %d\n"
4671		 "BitRate: %dmbs\n"
4672		 "Driver Version: %s\n"
4673		 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4674		 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4675		 "Software Version: %x\nSoftware Subversion: %x\n"
4676		 "Boot block version: %x\n",
4677		 le16_to_cpu(status_rid.mode),
4678		 le16_to_cpu(status_rid.normalizedSignalStrength),
4679		 le16_to_cpu(status_rid.signalQuality),
4680		 le16_to_cpu(status_rid.SSIDlen),
4681		 status_rid.SSID,
4682		 status_rid.apName,
4683		 le16_to_cpu(status_rid.channel),
4684		 le16_to_cpu(status_rid.currentXmitRate) / 2,
4685		 version,
4686		 cap_rid.prodName,
4687		 cap_rid.manName,
4688		 cap_rid.prodVer,
4689		 le16_to_cpu(cap_rid.radioType),
4690		 le16_to_cpu(cap_rid.country),
4691		 le16_to_cpu(cap_rid.hardVer),
4692		 le16_to_cpu(cap_rid.softVer),
4693		 le16_to_cpu(cap_rid.softSubVer),
4694		 le16_to_cpu(cap_rid.bootBlockVer));
4695	data->readlen = strlen( data->rbuffer );
4696	return 0;
4697}
4698
4699static int proc_stats_rid_open(struct inode*, struct file*, u16);
4700static int proc_statsdelta_open( struct inode *inode,
4701				 struct file *file ) {
4702	if (file->f_mode&FMODE_WRITE) {
4703		return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4704	}
4705	return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4706}
4707
4708static int proc_stats_open( struct inode *inode, struct file *file ) {
4709	return proc_stats_rid_open(inode, file, RID_STATS);
4710}
4711
4712static int proc_stats_rid_open( struct inode *inode,
4713				struct file *file,
4714				u16 rid )
4715{
4716	struct proc_data *data;
4717	struct net_device *dev = PDE_DATA(inode);
4718	struct airo_info *apriv = dev->ml_priv;
4719	StatsRid stats;
4720	int i, j;
4721	__le32 *vals = stats.vals;
4722	int len;
4723
4724	if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4725		return -ENOMEM;
4726	data = file->private_data;
4727	if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4728		kfree (file->private_data);
4729		return -ENOMEM;
4730	}
4731
4732	readStatsRid(apriv, &stats, rid, 1);
4733	len = le16_to_cpu(stats.len);
4734
4735        j = 0;
4736	for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4737		if (!statsLabels[i]) continue;
4738		if (j+strlen(statsLabels[i])+16>4096) {
4739			airo_print_warn(apriv->dev->name,
4740			       "Potentially disastrous buffer overflow averted!");
4741			break;
4742		}
4743		j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4744				le32_to_cpu(vals[i]));
4745	}
4746	if (i*4 >= len) {
4747		airo_print_warn(apriv->dev->name, "Got a short rid");
4748	}
4749	data->readlen = j;
4750	return 0;
4751}
4752
4753static int get_dec_u16( char *buffer, int *start, int limit ) {
4754	u16 value;
4755	int valid = 0;
4756	for (value = 0; *start < limit && buffer[*start] >= '0' &&
4757			buffer[*start] <= '9'; (*start)++) {
4758		valid = 1;
4759		value *= 10;
4760		value += buffer[*start] - '0';
4761	}
4762	if ( !valid ) return -1;
4763	return value;
4764}
4765
4766static int airo_config_commit(struct net_device *dev,
4767			      struct iw_request_info *info, void *zwrq,
4768			      char *extra);
4769
4770static inline int sniffing_mode(struct airo_info *ai)
4771{
4772	return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >=
4773		le16_to_cpu(RXMODE_RFMON);
4774}
4775
4776static void proc_config_on_close(struct inode *inode, struct file *file)
4777{
4778	struct proc_data *data = file->private_data;
4779	struct net_device *dev = PDE_DATA(inode);
4780	struct airo_info *ai = dev->ml_priv;
4781	char *line;
4782
4783	if ( !data->writelen ) return;
4784
4785	readConfigRid(ai, 1);
4786	set_bit (FLAG_COMMIT, &ai->flags);
4787
4788	line = data->wbuffer;
4789	while( line[0] ) {
4790/*** Mode processing */
4791		if ( !strncmp( line, "Mode: ", 6 ) ) {
4792			line += 6;
4793			if (sniffing_mode(ai))
4794				set_bit (FLAG_RESET, &ai->flags);
4795			ai->config.rmode &= ~RXMODE_FULL_MASK;
4796			clear_bit (FLAG_802_11, &ai->flags);
4797			ai->config.opmode &= ~MODE_CFG_MASK;
4798			ai->config.scanMode = SCANMODE_ACTIVE;
4799			if ( line[0] == 'a' ) {
4800				ai->config.opmode |= MODE_STA_IBSS;
4801			} else {
4802				ai->config.opmode |= MODE_STA_ESS;
4803				if ( line[0] == 'r' ) {
4804					ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4805					ai->config.scanMode = SCANMODE_PASSIVE;
4806					set_bit (FLAG_802_11, &ai->flags);
4807				} else if ( line[0] == 'y' ) {
4808					ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4809					ai->config.scanMode = SCANMODE_PASSIVE;
4810					set_bit (FLAG_802_11, &ai->flags);
4811				} else if ( line[0] == 'l' )
4812					ai->config.rmode |= RXMODE_LANMON;
4813			}
4814			set_bit (FLAG_COMMIT, &ai->flags);
4815		}
4816
4817/*** Radio status */
4818		else if (!strncmp(line,"Radio: ", 7)) {
4819			line += 7;
4820			if (!strncmp(line,"off",3)) {
4821				set_bit (FLAG_RADIO_OFF, &ai->flags);
4822			} else {
4823				clear_bit (FLAG_RADIO_OFF, &ai->flags);
4824			}
4825		}
4826/*** NodeName processing */
4827		else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4828			int j;
4829
4830			line += 10;
4831			memset( ai->config.nodeName, 0, 16 );
4832/* Do the name, assume a space between the mode and node name */
4833			for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4834				ai->config.nodeName[j] = line[j];
4835			}
4836			set_bit (FLAG_COMMIT, &ai->flags);
4837		}
4838
4839/*** PowerMode processing */
4840		else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4841			line += 11;
4842			if ( !strncmp( line, "PSPCAM", 6 ) ) {
4843				ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4844				set_bit (FLAG_COMMIT, &ai->flags);
4845			} else if ( !strncmp( line, "PSP", 3 ) ) {
4846				ai->config.powerSaveMode = POWERSAVE_PSP;
4847				set_bit (FLAG_COMMIT, &ai->flags);
4848			} else {
4849				ai->config.powerSaveMode = POWERSAVE_CAM;
4850				set_bit (FLAG_COMMIT, &ai->flags);
4851			}
4852		} else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4853			int v, i = 0, k = 0; /* i is index into line,
4854						k is index to rates */
4855
4856			line += 11;
4857			while((v = get_dec_u16(line, &i, 3))!=-1) {
4858				ai->config.rates[k++] = (u8)v;
4859				line += i + 1;
4860				i = 0;
4861			}
4862			set_bit (FLAG_COMMIT, &ai->flags);
4863		} else if ( !strncmp( line, "Channel: ", 9 ) ) {
4864			int v, i = 0;
4865			line += 9;
4866			v = get_dec_u16(line, &i, i+3);
4867			if ( v != -1 ) {
4868				ai->config.channelSet = cpu_to_le16(v);
4869				set_bit (FLAG_COMMIT, &ai->flags);
4870			}
4871		} else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4872			int v, i = 0;
4873			line += 11;
4874			v = get_dec_u16(line, &i, i+3);
4875			if ( v != -1 ) {
4876				ai->config.txPower = cpu_to_le16(v);
4877				set_bit (FLAG_COMMIT, &ai->flags);
4878			}
4879		} else if ( !strncmp( line, "WEP: ", 5 ) ) {
4880			line += 5;
4881			switch( line[0] ) {
4882			case 's':
4883				ai->config.authType = AUTH_SHAREDKEY;
4884				break;
4885			case 'e':
4886				ai->config.authType = AUTH_ENCRYPT;
4887				break;
4888			default:
4889				ai->config.authType = AUTH_OPEN;
4890				break;
4891			}
4892			set_bit (FLAG_COMMIT, &ai->flags);
4893		} else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4894			int v, i = 0;
4895
4896			line += 16;
4897			v = get_dec_u16(line, &i, 3);
4898			v = (v<0) ? 0 : ((v>255) ? 255 : v);
4899			ai->config.longRetryLimit = cpu_to_le16(v);
4900			set_bit (FLAG_COMMIT, &ai->flags);
4901		} else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4902			int v, i = 0;
4903
4904			line += 17;
4905			v = get_dec_u16(line, &i, 3);
4906			v = (v<0) ? 0 : ((v>255) ? 255 : v);
4907			ai->config.shortRetryLimit = cpu_to_le16(v);
4908			set_bit (FLAG_COMMIT, &ai->flags);
4909		} else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4910			int v, i = 0;
4911
4912			line += 14;
4913			v = get_dec_u16(line, &i, 4);
4914			v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4915			ai->config.rtsThres = cpu_to_le16(v);
4916			set_bit (FLAG_COMMIT, &ai->flags);
4917		} else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4918			int v, i = 0;
4919
4920			line += 16;
4921			v = get_dec_u16(line, &i, 5);
4922			v = (v<0) ? 0 : v;
4923			ai->config.txLifetime = cpu_to_le16(v);
4924			set_bit (FLAG_COMMIT, &ai->flags);
4925		} else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4926			int v, i = 0;
4927
4928			line += 16;
4929			v = get_dec_u16(line, &i, 5);
4930			v = (v<0) ? 0 : v;
4931			ai->config.rxLifetime = cpu_to_le16(v);
4932			set_bit (FLAG_COMMIT, &ai->flags);
4933		} else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4934			ai->config.txDiversity =
4935				(line[13]=='l') ? 1 :
4936				((line[13]=='r')? 2: 3);
4937			set_bit (FLAG_COMMIT, &ai->flags);
4938		} else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4939			ai->config.rxDiversity =
4940				(line[13]=='l') ? 1 :
4941				((line[13]=='r')? 2: 3);
4942			set_bit (FLAG_COMMIT, &ai->flags);
4943		} else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4944			int v, i = 0;
4945
4946			line += 15;
4947			v = get_dec_u16(line, &i, 4);
4948			v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4949			v = v & 0xfffe; /* Make sure its even */
4950			ai->config.fragThresh = cpu_to_le16(v);
4951			set_bit (FLAG_COMMIT, &ai->flags);
4952		} else if (!strncmp(line, "Modulation: ", 12)) {
4953			line += 12;
4954			switch(*line) {
4955			case 'd':  ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4956			case 'c':  ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4957			case 'm':  ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4958			default: airo_print_warn(ai->dev->name, "Unknown modulation");
4959			}
4960		} else if (!strncmp(line, "Preamble: ", 10)) {
4961			line += 10;
4962			switch(*line) {
4963			case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4964			case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4965			case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4966			default: airo_print_warn(ai->dev->name, "Unknown preamble");
4967			}
4968		} else {
4969			airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
4970		}
4971		while( line[0] && line[0] != '\n' ) line++;
4972		if ( line[0] ) line++;
4973	}
4974	airo_config_commit(dev, NULL, NULL, NULL);
4975}
4976
4977static const char *get_rmode(__le16 mode)
4978{
4979        switch(mode & RXMODE_MASK) {
4980        case RXMODE_RFMON:  return "rfmon";
4981        case RXMODE_RFMON_ANYBSS:  return "yna (any) bss rfmon";
4982        case RXMODE_LANMON:  return "lanmon";
4983        }
4984        return "ESS";
4985}
4986
4987static int proc_config_open(struct inode *inode, struct file *file)
4988{
4989	struct proc_data *data;
4990	struct net_device *dev = PDE_DATA(inode);
4991	struct airo_info *ai = dev->ml_priv;
4992	int i;
4993	__le16 mode;
4994
4995	if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4996		return -ENOMEM;
4997	data = file->private_data;
4998	if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4999		kfree (file->private_data);
5000		return -ENOMEM;
5001	}
5002	if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5003		kfree (data->rbuffer);
5004		kfree (file->private_data);
5005		return -ENOMEM;
5006	}
5007	data->maxwritelen = 2048;
5008	data->on_close = proc_config_on_close;
5009
5010	readConfigRid(ai, 1);
5011
5012	mode = ai->config.opmode & MODE_CFG_MASK;
5013	i = sprintf( data->rbuffer,
5014		     "Mode: %s\n"
5015		     "Radio: %s\n"
5016		     "NodeName: %-16s\n"
5017		     "PowerMode: %s\n"
5018		     "DataRates: %d %d %d %d %d %d %d %d\n"
5019		     "Channel: %d\n"
5020		     "XmitPower: %d\n",
5021		     mode == MODE_STA_IBSS ? "adhoc" :
5022		     mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5023		     mode == MODE_AP ? "AP" :
5024		     mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5025		     test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5026		     ai->config.nodeName,
5027		     ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5028		     ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5029		     ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5030		     "Error",
5031		     (int)ai->config.rates[0],
5032		     (int)ai->config.rates[1],
5033		     (int)ai->config.rates[2],
5034		     (int)ai->config.rates[3],
5035		     (int)ai->config.rates[4],
5036		     (int)ai->config.rates[5],
5037		     (int)ai->config.rates[6],
5038		     (int)ai->config.rates[7],
5039		     le16_to_cpu(ai->config.channelSet),
5040		     le16_to_cpu(ai->config.txPower)
5041		);
5042	sprintf( data->rbuffer + i,
5043		 "LongRetryLimit: %d\n"
5044		 "ShortRetryLimit: %d\n"
5045		 "RTSThreshold: %d\n"
5046		 "TXMSDULifetime: %d\n"
5047		 "RXMSDULifetime: %d\n"
5048		 "TXDiversity: %s\n"
5049		 "RXDiversity: %s\n"
5050		 "FragThreshold: %d\n"
5051		 "WEP: %s\n"
5052		 "Modulation: %s\n"
5053		 "Preamble: %s\n",
5054		 le16_to_cpu(ai->config.longRetryLimit),
5055		 le16_to_cpu(ai->config.shortRetryLimit),
5056		 le16_to_cpu(ai->config.rtsThres),
5057		 le16_to_cpu(ai->config.txLifetime),
5058		 le16_to_cpu(ai->config.rxLifetime),
5059		 ai->config.txDiversity == 1 ? "left" :
5060		 ai->config.txDiversity == 2 ? "right" : "both",
5061		 ai->config.rxDiversity == 1 ? "left" :
5062		 ai->config.rxDiversity == 2 ? "right" : "both",
5063		 le16_to_cpu(ai->config.fragThresh),
5064		 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5065		 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5066		 ai->config.modulation == MOD_DEFAULT ? "default" :
5067		 ai->config.modulation == MOD_CCK ? "cck" :
5068		 ai->config.modulation == MOD_MOK ? "mok" : "error",
5069		 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5070		 ai->config.preamble == PREAMBLE_LONG ? "long" :
5071		 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5072		);
5073	data->readlen = strlen( data->rbuffer );
5074	return 0;
5075}
5076
5077static void proc_SSID_on_close(struct inode *inode, struct file *file)
5078{
5079	struct proc_data *data = file->private_data;
5080	struct net_device *dev = PDE_DATA(inode);
5081	struct airo_info *ai = dev->ml_priv;
5082	SsidRid SSID_rid;
5083	int i;
5084	char *p = data->wbuffer;
5085	char *end = p + data->writelen;
5086
5087	if (!data->writelen)
5088		return;
5089
5090	*end = '\n'; /* sentinel; we have space for it */
5091
5092	memset(&SSID_rid, 0, sizeof(SSID_rid));
5093
5094	for (i = 0; i < 3 && p < end; i++) {
5095		int j = 0;
5096		/* copy up to 32 characters from this line */
5097		while (*p != '\n' && j < 32)
5098			SSID_rid.ssids[i].ssid[j++] = *p++;
5099		if (j == 0)
5100			break;
5101		SSID_rid.ssids[i].len = cpu_to_le16(j);
5102		/* skip to the beginning of the next line */
5103		while (*p++ != '\n')
5104			;
5105	}
5106	if (i)
5107		SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5108	disable_MAC(ai, 1);
5109	writeSsidRid(ai, &SSID_rid, 1);
5110	enable_MAC(ai, 1);
5111}
5112
5113static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5114	struct proc_data *data = file->private_data;
5115	struct net_device *dev = PDE_DATA(inode);
5116	struct airo_info *ai = dev->ml_priv;
5117	APListRid APList_rid;
5118	int i;
5119
5120	if ( !data->writelen ) return;
5121
5122	memset( &APList_rid, 0, sizeof(APList_rid) );
5123	APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5124
5125	for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5126		int j;
5127		for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5128			switch(j%3) {
5129			case 0:
5130				APList_rid.ap[i][j/3]=
5131					hex_to_bin(data->wbuffer[j+i*6*3])<<4;
5132				break;
5133			case 1:
5134				APList_rid.ap[i][j/3]|=
5135					hex_to_bin(data->wbuffer[j+i*6*3]);
5136				break;
5137			}
5138		}
5139	}
5140	disable_MAC(ai, 1);
5141	writeAPListRid(ai, &APList_rid, 1);
5142	enable_MAC(ai, 1);
5143}
5144
5145/* This function wraps PC4500_writerid with a MAC disable */
5146static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5147			int len, int dummy ) {
5148	int rc;
5149
5150	disable_MAC(ai, 1);
5151	rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5152	enable_MAC(ai, 1);
5153	return rc;
5154}
5155
5156/* Returns the WEP key at the specified index, or -1 if that key does
5157 * not exist.  The buffer is assumed to be at least 16 bytes in length.
5158 */
5159static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5160{
5161	WepKeyRid wkr;
5162	int rc;
5163	__le16 lastindex;
5164
5165	rc = readWepKeyRid(ai, &wkr, 1, 1);
5166	if (rc != SUCCESS)
5167		return -1;
5168	do {
5169		lastindex = wkr.kindex;
5170		if (le16_to_cpu(wkr.kindex) == index) {
5171			int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5172			memcpy(buf, wkr.key, klen);
5173			return klen;
5174		}
5175		rc = readWepKeyRid(ai, &wkr, 0, 1);
5176		if (rc != SUCCESS)
5177			return -1;
5178	} while (lastindex != wkr.kindex);
5179	return -1;
5180}
5181
5182static int get_wep_tx_idx(struct airo_info *ai)
5183{
5184	WepKeyRid wkr;
5185	int rc;
5186	__le16 lastindex;
5187
5188	rc = readWepKeyRid(ai, &wkr, 1, 1);
5189	if (rc != SUCCESS)
5190		return -1;
5191	do {
5192		lastindex = wkr.kindex;
5193		if (wkr.kindex == cpu_to_le16(0xffff))
5194			return wkr.mac[0];
5195		rc = readWepKeyRid(ai, &wkr, 0, 1);
5196		if (rc != SUCCESS)
5197			return -1;
5198	} while (lastindex != wkr.kindex);
5199	return -1;
5200}
5201
5202static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5203		       u16 keylen, int perm, int lock)
5204{
5205	static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5206	WepKeyRid wkr;
5207	int rc;
5208
5209	if (WARN_ON(keylen == 0))
5210		return -1;
5211
5212	memset(&wkr, 0, sizeof(wkr));
5213	wkr.len = cpu_to_le16(sizeof(wkr));
5214	wkr.kindex = cpu_to_le16(index);
5215	wkr.klen = cpu_to_le16(keylen);
5216	memcpy(wkr.key, key, keylen);
5217	memcpy(wkr.mac, macaddr, ETH_ALEN);
5218
5219	if (perm) disable_MAC(ai, lock);
5220	rc = writeWepKeyRid(ai, &wkr, perm, lock);
5221	if (perm) enable_MAC(ai, lock);
5222	return rc;
5223}
5224
5225static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5226{
5227	WepKeyRid wkr;
5228	int rc;
5229
5230	memset(&wkr, 0, sizeof(wkr));
5231	wkr.len = cpu_to_le16(sizeof(wkr));
5232	wkr.kindex = cpu_to_le16(0xffff);
5233	wkr.mac[0] = (char)index;
5234
5235	if (perm) {
5236		ai->defindex = (char)index;
5237		disable_MAC(ai, lock);
5238	}
5239
5240	rc = writeWepKeyRid(ai, &wkr, perm, lock);
5241
5242	if (perm)
5243		enable_MAC(ai, lock);
5244	return rc;
5245}
5246
5247static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5248	struct proc_data *data;
5249	struct net_device *dev = PDE_DATA(inode);
5250	struct airo_info *ai = dev->ml_priv;
5251	int i, rc;
5252	char key[16];
5253	u16 index = 0;
5254	int j = 0;
5255
5256	memset(key, 0, sizeof(key));
5257
5258	data = file->private_data;
5259	if ( !data->writelen ) return;
5260
5261	if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5262	    (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5263		index = data->wbuffer[0] - '0';
5264		if (data->wbuffer[1] == '\n') {
5265			rc = set_wep_tx_idx(ai, index, 1, 1);
5266			if (rc < 0) {
5267				airo_print_err(ai->dev->name, "failed to set "
5268				               "WEP transmit index to %d: %d.",
5269				               index, rc);
5270			}
5271			return;
5272		}
5273		j = 2;
5274	} else {
5275		airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5276		return;
5277	}
5278
5279	for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5280		switch(i%3) {
5281		case 0:
5282			key[i/3] = hex_to_bin(data->wbuffer[i+j])<<4;
5283			break;
5284		case 1:
5285			key[i/3] |= hex_to_bin(data->wbuffer[i+j]);
5286			break;
5287		}
5288	}
5289
5290	rc = set_wep_key(ai, index, key, i/3, 1, 1);
5291	if (rc < 0) {
5292		airo_print_err(ai->dev->name, "failed to set WEP key at index "
5293		               "%d: %d.", index, rc);
5294	}
5295}
5296
5297static int proc_wepkey_open( struct inode *inode, struct file *file )
5298{
5299	struct proc_data *data;
5300	struct net_device *dev = PDE_DATA(inode);
5301	struct airo_info *ai = dev->ml_priv;
5302	char *ptr;
5303	WepKeyRid wkr;
5304	__le16 lastindex;
5305	int j=0;
5306	int rc;
5307
5308	if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5309		return -ENOMEM;
5310	memset(&wkr, 0, sizeof(wkr));
5311	data = file->private_data;
5312	if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5313		kfree (file->private_data);
5314		return -ENOMEM;
5315	}
5316	data->writelen = 0;
5317	data->maxwritelen = 80;
5318	if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5319		kfree (data->rbuffer);
5320		kfree (file->private_data);
5321		return -ENOMEM;
5322	}
5323	data->on_close = proc_wepkey_on_close;
5324
5325	ptr = data->rbuffer;
5326	strcpy(ptr, "No wep keys\n");
5327	rc = readWepKeyRid(ai, &wkr, 1, 1);
5328	if (rc == SUCCESS) do {
5329		lastindex = wkr.kindex;
5330		if (wkr.kindex == cpu_to_le16(0xffff)) {
5331			j += sprintf(ptr+j, "Tx key = %d\n",
5332				     (int)wkr.mac[0]);
5333		} else {
5334			j += sprintf(ptr+j, "Key %d set with length = %d\n",
5335				     le16_to_cpu(wkr.kindex),
5336				     le16_to_cpu(wkr.klen));
5337		}
5338		readWepKeyRid(ai, &wkr, 0, 1);
5339	} while((lastindex != wkr.kindex) && (j < 180-30));
5340
5341	data->readlen = strlen( data->rbuffer );
5342	return 0;
5343}
5344
5345static int proc_SSID_open(struct inode *inode, struct file *file)
5346{
5347	struct proc_data *data;
5348	struct net_device *dev = PDE_DATA(inode);
5349	struct airo_info *ai = dev->ml_priv;
5350	int i;
5351	char *ptr;
5352	SsidRid SSID_rid;
5353
5354	if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5355		return -ENOMEM;
5356	data = file->private_data;
5357	if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5358		kfree (file->private_data);
5359		return -ENOMEM;
5360	}
5361	data->writelen = 0;
5362	data->maxwritelen = 33*3;
5363	/* allocate maxwritelen + 1; we'll want a sentinel */
5364	if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5365		kfree (data->rbuffer);
5366		kfree (file->private_data);
5367		return -ENOMEM;
5368	}
5369	data->on_close = proc_SSID_on_close;
5370
5371	readSsidRid(ai, &SSID_rid);
5372	ptr = data->rbuffer;
5373	for (i = 0; i < 3; i++) {
5374		int j;
5375		size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5376		if (!len)
5377			break;
5378		if (len > 32)
5379			len = 32;
5380		for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5381			*ptr++ = SSID_rid.ssids[i].ssid[j];
5382		*ptr++ = '\n';
5383	}
5384	*ptr = '\0';
5385	data->readlen = strlen( data->rbuffer );
5386	return 0;
5387}
5388
5389static int proc_APList_open( struct inode *inode, struct file *file ) {
5390	struct proc_data *data;
5391	struct net_device *dev = PDE_DATA(inode);
5392	struct airo_info *ai = dev->ml_priv;
5393	int i;
5394	char *ptr;
5395	APListRid APList_rid;
5396
5397	if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5398		return -ENOMEM;
5399	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;
5406	if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5407		kfree (data->rbuffer);
5408		kfree (file->private_data);
5409		return -ENOMEM;
5410	}
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;
5419		ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
5420	}
5421	if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5422
5423	*ptr = '\0';
5424	data->readlen = strlen( data->rbuffer );
5425	return 0;
5426}
5427
5428static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5429	struct proc_data *data;
5430	struct net_device *dev = PDE_DATA(inode);
5431	struct airo_info *ai = dev->ml_priv;
5432	char *ptr;
5433	BSSListRid BSSList_rid;
5434	int rc;
5435	/* If doLoseSync is not 1, we won't do a Lose Sync */
5436	int doLoseSync = -1;
5437
5438	if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5439		return -ENOMEM;
5440	data = file->private_data;
5441	if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5442		kfree (file->private_data);
5443		return -ENOMEM;
5444	}
5445	data->writelen = 0;
5446	data->maxwritelen = 0;
5447	data->wbuffer = NULL;
5448	data->on_close = NULL;
5449
5450	if (file->f_mode & FMODE_WRITE) {
5451		if (!(file->f_mode & FMODE_READ)) {
5452			Cmd cmd;
5453			Resp rsp;
5454
5455			if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5456			memset(&cmd, 0, sizeof(cmd));
5457			cmd.cmd=CMD_LISTBSS;
5458			if (down_interruptible(&ai->sem))
5459				return -ERESTARTSYS;
5460			issuecommand(ai, &cmd, &rsp);
5461			up(&ai->sem);
5462			data->readlen = 0;
5463			return 0;
5464		}
5465		doLoseSync = 1;
5466	}
5467	ptr = data->rbuffer;
5468	/* There is a race condition here if there are concurrent opens.
5469           Since it is a rare condition, we'll just live with it, otherwise
5470           we have to add a spin lock... */
5471	rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5472	while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5473		ptr += sprintf(ptr, "%pM %*s rssi = %d",
5474			       BSSList_rid.bssid,
5475				(int)BSSList_rid.ssidLen,
5476				BSSList_rid.ssid,
5477				le16_to_cpu(BSSList_rid.dBm));
5478		ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5479				le16_to_cpu(BSSList_rid.dsChannel),
5480				BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5481				BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5482				BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5483				BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5484		rc = readBSSListRid(ai, 0, &BSSList_rid);
5485	}
5486	*ptr = '\0';
5487	data->readlen = strlen( data->rbuffer );
5488	return 0;
5489}
5490
5491static int proc_close( struct inode *inode, struct file *file )
5492{
5493	struct proc_data *data = file->private_data;
5494
5495	if (data->on_close != NULL)
5496		data->on_close(inode, file);
5497	kfree(data->rbuffer);
5498	kfree(data->wbuffer);
5499	kfree(data);
5500	return 0;
5501}
5502
5503/* Since the card doesn't automatically switch to the right WEP mode,
5504   we will make it do it.  If the card isn't associated, every secs we
5505   will switch WEP modes to see if that will help.  If the card is
5506   associated we will check every minute to see if anything has
5507   changed. */
5508static void timer_func( struct net_device *dev ) {
5509	struct airo_info *apriv = dev->ml_priv;
5510
5511/* We don't have a link so try changing the authtype */
5512	readConfigRid(apriv, 0);
5513	disable_MAC(apriv, 0);
5514	switch(apriv->config.authType) {
5515		case AUTH_ENCRYPT:
5516/* So drop to OPEN */
5517			apriv->config.authType = AUTH_OPEN;
5518			break;
5519		case AUTH_SHAREDKEY:
5520			if (apriv->keyindex < auto_wep) {
5521				set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
5522				apriv->config.authType = AUTH_SHAREDKEY;
5523				apriv->keyindex++;
5524			} else {
5525			        /* Drop to ENCRYPT */
5526				apriv->keyindex = 0;
5527				set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
5528				apriv->config.authType = AUTH_ENCRYPT;
5529			}
5530			break;
5531		default:  /* We'll escalate to SHAREDKEY */
5532			apriv->config.authType = AUTH_SHAREDKEY;
5533	}
5534	set_bit (FLAG_COMMIT, &apriv->flags);
5535	writeConfigRid(apriv, 0);
5536	enable_MAC(apriv, 0);
5537	up(&apriv->sem);
5538
5539/* Schedule check to see if the change worked */
5540	clear_bit(JOB_AUTOWEP, &apriv->jobs);
5541	apriv->expires = RUN_AT(HZ*3);
5542}
5543
5544#ifdef CONFIG_PCI
5545static int airo_pci_probe(struct pci_dev *pdev,
5546				    const struct pci_device_id *pent)
5547{
5548	struct net_device *dev;
5549
5550	if (pci_enable_device(pdev))
5551		return -ENODEV;
5552	pci_set_master(pdev);
5553
5554	if (pdev->device == 0x5000 || pdev->device == 0xa504)
5555			dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5556	else
5557			dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5558	if (!dev) {
5559		pci_disable_device(pdev);
5560		return -ENODEV;
5561	}
5562
5563	pci_set_drvdata(pdev, dev);
5564	return 0;
5565}
5566
5567static void airo_pci_remove(struct pci_dev *pdev)
5568{
5569	struct net_device *dev = pci_get_drvdata(pdev);
5570
5571	airo_print_info(dev->name, "Unregistering...");
5572	stop_airo_card(dev, 1);
5573	pci_disable_device(pdev);
5574}
5575
5576static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5577{
5578	struct net_device *dev = pci_get_drvdata(pdev);
5579	struct airo_info *ai = dev->ml_priv;
5580	Cmd cmd;
5581	Resp rsp;
5582
5583	if (!ai->APList)
5584		ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5585	if (!ai->APList)
5586		return -ENOMEM;
5587	if (!ai->SSID)
5588		ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5589	if (!ai->SSID)
5590		return -ENOMEM;
5591	readAPListRid(ai, ai->APList);
5592	readSsidRid(ai, ai->SSID);
5593	memset(&cmd, 0, sizeof(cmd));
5594	/* the lock will be released at the end of the resume callback */
5595	if (down_interruptible(&ai->sem))
5596		return -EAGAIN;
5597	disable_MAC(ai, 0);
5598	netif_device_detach(dev);
5599	ai->power = state;
5600	cmd.cmd = HOSTSLEEP;
5601	issuecommand(ai, &cmd, &rsp);
5602
5603	pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5604	pci_save_state(pdev);
5605	pci_set_power_state(pdev, pci_choose_state(pdev, state));
5606	return 0;
5607}
5608
5609static int airo_pci_resume(struct pci_dev *pdev)
5610{
5611	struct net_device *dev = pci_get_drvdata(pdev);
5612	struct airo_info *ai = dev->ml_priv;
5613	pci_power_t prev_state = pdev->current_state;
5614
5615	pci_set_power_state(pdev, PCI_D0);
5616	pci_restore_state(pdev);
5617	pci_enable_wake(pdev, PCI_D0, 0);
5618
5619	if (prev_state != PCI_D1) {
5620		reset_card(dev, 0);
5621		mpi_init_descriptors(ai);
5622		setup_card(ai, dev->dev_addr, 0);
5623		clear_bit(FLAG_RADIO_OFF, &ai->flags);
5624		clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5625	} else {
5626		OUT4500(ai, EVACK, EV_AWAKEN);
5627		OUT4500(ai, EVACK, EV_AWAKEN);
5628		msleep(100);
5629	}
5630
5631	set_bit(FLAG_COMMIT, &ai->flags);
5632	disable_MAC(ai, 0);
5633        msleep(200);
5634	if (ai->SSID) {
5635		writeSsidRid(ai, ai->SSID, 0);
5636		kfree(ai->SSID);
5637		ai->SSID = NULL;
5638	}
5639	if (ai->APList) {
5640		writeAPListRid(ai, ai->APList, 0);
5641		kfree(ai->APList);
5642		ai->APList = NULL;
5643	}
5644	writeConfigRid(ai, 0);
5645	enable_MAC(ai, 0);
5646	ai->power = PMSG_ON;
5647	netif_device_attach(dev);
5648	netif_wake_queue(dev);
5649	enable_interrupts(ai);
5650	up(&ai->sem);
5651	return 0;
5652}
5653#endif
5654
5655static int __init airo_init_module( void )
5656{
5657	int i;
5658
5659	proc_kuid = make_kuid(&init_user_ns, proc_uid);
5660	proc_kgid = make_kgid(&init_user_ns, proc_gid);
5661	if (!uid_valid(proc_kuid) || !gid_valid(proc_kgid))
5662		return -EINVAL;
5663
5664	airo_entry = proc_mkdir_mode("driver/aironet", airo_perm, NULL);
5665
5666	if (airo_entry)
5667		proc_set_user(airo_entry, proc_kuid, proc_kgid);
5668
5669	for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5670		airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5671			"io=0x%x", irq[i], io[i] );
5672		if (init_airo_card( irq[i], io[i], 0, NULL ))
5673			/* do nothing */ ;
5674	}
5675
5676#ifdef CONFIG_PCI
5677	airo_print_info("", "Probing for PCI adapters");
5678	i = pci_register_driver(&airo_driver);
5679	airo_print_info("", "Finished probing for PCI adapters");
5680
5681	if (i) {
5682		remove_proc_entry("driver/aironet", NULL);
5683		return i;
5684	}
5685#endif
5686
5687	/* Always exit with success, as we are a library module
5688	 * as well as a driver module
5689	 */
5690	return 0;
5691}
5692
5693static void __exit airo_cleanup_module( void )
5694{
5695	struct airo_info *ai;
5696	while(!list_empty(&airo_devices)) {
5697		ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5698		airo_print_info(ai->dev->name, "Unregistering...");
5699		stop_airo_card(ai->dev, 1);
5700	}
5701#ifdef CONFIG_PCI
5702	pci_unregister_driver(&airo_driver);
5703#endif
5704	remove_proc_entry("driver/aironet", NULL);
5705}
5706
5707/*
5708 * Initial Wireless Extension code for Aironet driver by :
5709 *	Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5710 * Conversion to new driver API by :
5711 *	Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5712 * Javier also did a good amount of work here, adding some new extensions
5713 * and fixing my code. Let's just say that without him this code just
5714 * would not work at all... - Jean II
5715 */
5716
5717static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5718{
5719	if (!rssi_rid)
5720		return 0;
5721
5722	return (0x100 - rssi_rid[rssi].rssidBm);
5723}
5724
5725static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5726{
5727	int i;
5728
5729	if (!rssi_rid)
5730		return 0;
5731
5732	for (i = 0; i < 256; i++)
5733		if (rssi_rid[i].rssidBm == dbm)
5734			return rssi_rid[i].rssipct;
5735
5736	return 0;
5737}
5738
5739
5740static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5741{
5742	int quality = 0;
5743	u16 sq;
5744
5745	if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5746		return 0;
5747
5748	if (!(cap_rid->hardCap & cpu_to_le16(8)))
5749		return 0;
5750
5751	sq = le16_to_cpu(status_rid->signalQuality);
5752	if (memcmp(cap_rid->prodName, "350", 3))
5753		if (sq > 0x20)
5754			quality = 0;
5755		else
5756			quality = 0x20 - sq;
5757	else
5758		if (sq > 0xb0)
5759			quality = 0;
5760		else if (sq < 0x10)
5761			quality = 0xa0;
5762		else
5763			quality = 0xb0 - sq;
5764	return quality;
5765}
5766
5767#define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5768#define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5769
5770/*------------------------------------------------------------------*/
5771/*
5772 * Wireless Handler : get protocol name
5773 */
5774static int airo_get_name(struct net_device *dev,
5775			 struct iw_request_info *info,
5776			 char *cwrq,
5777			 char *extra)
5778{
5779	strcpy(cwrq, "IEEE 802.11-DS");
5780	return 0;
5781}
5782
5783/*------------------------------------------------------------------*/
5784/*
5785 * Wireless Handler : set frequency
5786 */
5787static int airo_set_freq(struct net_device *dev,
5788			 struct iw_request_info *info,
5789			 struct iw_freq *fwrq,
5790			 char *extra)
5791{
5792	struct airo_info *local = dev->ml_priv;
5793	int rc = -EINPROGRESS;		/* Call commit handler */
5794
5795	/* If setting by frequency, convert to a channel */
5796	if(fwrq->e == 1) {
5797		int f = fwrq->m / 100000;
5798
5799		/* Hack to fall through... */
5800		fwrq->e = 0;
5801		fwrq->m = ieee80211_frequency_to_channel(f);
5802	}
5803	/* Setting by channel number */
5804	if((fwrq->m > 1000) || (fwrq->e > 0))
5805		rc = -EOPNOTSUPP;
5806	else {
5807		int channel = fwrq->m;
5808		/* We should do a better check than that,
5809		 * based on the card capability !!! */
5810		if((channel < 1) || (channel > 14)) {
5811			airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5812				fwrq->m);
5813			rc = -EINVAL;
5814		} else {
5815			readConfigRid(local, 1);
5816			/* Yes ! We can set it !!! */
5817			local->config.channelSet = cpu_to_le16(channel);
5818			set_bit (FLAG_COMMIT, &local->flags);
5819		}
5820	}
5821	return rc;
5822}
5823
5824/*------------------------------------------------------------------*/
5825/*
5826 * Wireless Handler : get frequency
5827 */
5828static int airo_get_freq(struct net_device *dev,
5829			 struct iw_request_info *info,
5830			 struct iw_freq *fwrq,
5831			 char *extra)
5832{
5833	struct airo_info *local = dev->ml_priv;
5834	StatusRid status_rid;		/* Card status info */
5835	int ch;
5836
5837	readConfigRid(local, 1);
5838	if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5839		status_rid.channel = local->config.channelSet;
5840	else
5841		readStatusRid(local, &status_rid, 1);
5842
5843	ch = le16_to_cpu(status_rid.channel);
5844	if((ch > 0) && (ch < 15)) {
5845		fwrq->m = 100000 *
5846			ieee80211_channel_to_frequency(ch, IEEE80211_BAND_2GHZ);
5847		fwrq->e = 1;
5848	} else {
5849		fwrq->m = ch;
5850		fwrq->e = 0;
5851	}
5852
5853	return 0;
5854}
5855
5856/*------------------------------------------------------------------*/
5857/*
5858 * Wireless Handler : set ESSID
5859 */
5860static int airo_set_essid(struct net_device *dev,
5861			  struct iw_request_info *info,
5862			  struct iw_point *dwrq,
5863			  char *extra)
5864{
5865	struct airo_info *local = dev->ml_priv;
5866	SsidRid SSID_rid;		/* SSIDs */
5867
5868	/* Reload the list of current SSID */
5869	readSsidRid(local, &SSID_rid);
5870
5871	/* Check if we asked for `any' */
5872	if (dwrq->flags == 0) {
5873		/* Just send an empty SSID list */
5874		memset(&SSID_rid, 0, sizeof(SSID_rid));
5875	} else {
5876		unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5877
5878		/* Check the size of the string */
5879		if (dwrq->length > IW_ESSID_MAX_SIZE)
5880			return -E2BIG ;
5881
5882		/* Check if index is valid */
5883		if (index >= ARRAY_SIZE(SSID_rid.ssids))
5884			return -EINVAL;
5885
5886		/* Set the SSID */
5887		memset(SSID_rid.ssids[index].ssid, 0,
5888		       sizeof(SSID_rid.ssids[index].ssid));
5889		memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5890		SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5891	}
5892	SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5893	/* Write it to the card */
5894	disable_MAC(local, 1);
5895	writeSsidRid(local, &SSID_rid, 1);
5896	enable_MAC(local, 1);
5897
5898	return 0;
5899}
5900
5901/*------------------------------------------------------------------*/
5902/*
5903 * Wireless Handler : get ESSID
5904 */
5905static int airo_get_essid(struct net_device *dev,
5906			  struct iw_request_info *info,
5907			  struct iw_point *dwrq,
5908			  char *extra)
5909{
5910	struct airo_info *local = dev->ml_priv;
5911	StatusRid status_rid;		/* Card status info */
5912
5913	readStatusRid(local, &status_rid, 1);
5914
5915	/* Note : if dwrq->flags != 0, we should
5916	 * get the relevant SSID from the SSID list... */
5917
5918	/* Get the current SSID */
5919	memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5920	/* If none, we may want to get the one that was set */
5921
5922	/* Push it out ! */
5923	dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5924	dwrq->flags = 1; /* active */
5925
5926	return 0;
5927}
5928
5929/*------------------------------------------------------------------*/
5930/*
5931 * Wireless Handler : set AP address
5932 */
5933static int airo_set_wap(struct net_device *dev,
5934			struct iw_request_info *info,
5935			struct sockaddr *awrq,
5936			char *extra)
5937{
5938	struct airo_info *local = dev->ml_priv;
5939	Cmd cmd;
5940	Resp rsp;
5941	APListRid APList_rid;
5942
5943	if (awrq->sa_family != ARPHRD_ETHER)
5944		return -EINVAL;
5945	else if (is_broadcast_ether_addr(awrq->sa_data) ||
5946		 is_zero_ether_addr(awrq->sa_data)) {
5947		memset(&cmd, 0, sizeof(cmd));
5948		cmd.cmd=CMD_LOSE_SYNC;
5949		if (down_interruptible(&local->sem))
5950			return -ERESTARTSYS;
5951		issuecommand(local, &cmd, &rsp);
5952		up(&local->sem);
5953	} else {
5954		memset(&APList_rid, 0, sizeof(APList_rid));
5955		APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5956		memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5957		disable_MAC(local, 1);
5958		writeAPListRid(local, &APList_rid, 1);
5959		enable_MAC(local, 1);
5960	}
5961	return 0;
5962}
5963
5964/*------------------------------------------------------------------*/
5965/*
5966 * Wireless Handler : get AP address
5967 */
5968static int airo_get_wap(struct net_device *dev,
5969			struct iw_request_info *info,
5970			struct sockaddr *awrq,
5971			char *extra)
5972{
5973	struct airo_info *local = dev->ml_priv;
5974	StatusRid status_rid;		/* Card status info */
5975
5976	readStatusRid(local, &status_rid, 1);
5977
5978	/* Tentative. This seems to work, wow, I'm lucky !!! */
5979	memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5980	awrq->sa_family = ARPHRD_ETHER;
5981
5982	return 0;
5983}
5984
5985/*------------------------------------------------------------------*/
5986/*
5987 * Wireless Handler : set Nickname
5988 */
5989static int airo_set_nick(struct net_device *dev,
5990			 struct iw_request_info *info,
5991			 struct iw_point *dwrq,
5992			 char *extra)
5993{
5994	struct airo_info *local = dev->ml_priv;
5995
5996	/* Check the size of the string */
5997	if(dwrq->length > 16) {
5998		return -E2BIG;
5999	}
6000	readConfigRid(local, 1);
6001	memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6002	memcpy(local->config.nodeName, extra, dwrq->length);
6003	set_bit (FLAG_COMMIT, &local->flags);
6004
6005	return -EINPROGRESS;		/* Call commit handler */
6006}
6007
6008/*------------------------------------------------------------------*/
6009/*
6010 * Wireless Handler : get Nickname
6011 */
6012static int airo_get_nick(struct net_device *dev,
6013			 struct iw_request_info *info,
6014			 struct iw_point *dwrq,
6015			 char *extra)
6016{
6017	struct airo_info *local = dev->ml_priv;
6018
6019	readConfigRid(local, 1);
6020	strncpy(extra, local->config.nodeName, 16);
6021	extra[16] = '\0';
6022	dwrq->length = strlen(extra);
6023
6024	return 0;
6025}
6026
6027/*------------------------------------------------------------------*/
6028/*
6029 * Wireless Handler : set Bit-Rate
6030 */
6031static int airo_set_rate(struct net_device *dev,
6032			 struct iw_request_info *info,
6033			 struct iw_param *vwrq,
6034			 char *extra)
6035{
6036	struct airo_info *local = dev->ml_priv;
6037	CapabilityRid cap_rid;		/* Card capability info */
6038	u8	brate = 0;
6039	int	i;
6040
6041	/* First : get a valid bit rate value */
6042	readCapabilityRid(local, &cap_rid, 1);
6043
6044	/* Which type of value ? */
6045	if((vwrq->value < 8) && (vwrq->value >= 0)) {
6046		/* Setting by rate index */
6047		/* Find value in the magic rate table */
6048		brate = cap_rid.supportedRates[vwrq->value];
6049	} else {
6050		/* Setting by frequency value */
6051		u8	normvalue = (u8) (vwrq->value/500000);
6052
6053		/* Check if rate is valid */
6054		for(i = 0 ; i < 8 ; i++) {
6055			if(normvalue == cap_rid.supportedRates[i]) {
6056				brate = normvalue;
6057				break;
6058			}
6059		}
6060	}
6061	/* -1 designed the max rate (mostly auto mode) */
6062	if(vwrq->value == -1) {
6063		/* Get the highest available rate */
6064		for(i = 0 ; i < 8 ; i++) {
6065			if(cap_rid.supportedRates[i] == 0)
6066				break;
6067		}
6068		if(i != 0)
6069			brate = cap_rid.supportedRates[i - 1];
6070	}
6071	/* Check that it is valid */
6072	if(brate == 0) {
6073		return -EINVAL;
6074	}
6075
6076	readConfigRid(local, 1);
6077	/* Now, check if we want a fixed or auto value */
6078	if(vwrq->fixed == 0) {
6079		/* Fill all the rates up to this max rate */
6080		memset(local->config.rates, 0, 8);
6081		for(i = 0 ; i < 8 ; i++) {
6082			local->config.rates[i] = cap_rid.supportedRates[i];
6083			if(local->config.rates[i] == brate)
6084				break;
6085		}
6086	} else {
6087		/* Fixed mode */
6088		/* One rate, fixed */
6089		memset(local->config.rates, 0, 8);
6090		local->config.rates[0] = brate;
6091	}
6092	set_bit (FLAG_COMMIT, &local->flags);
6093
6094	return -EINPROGRESS;		/* Call commit handler */
6095}
6096
6097/*------------------------------------------------------------------*/
6098/*
6099 * Wireless Handler : get Bit-Rate
6100 */
6101static int airo_get_rate(struct net_device *dev,
6102			 struct iw_request_info *info,
6103			 struct iw_param *vwrq,
6104			 char *extra)
6105{
6106	struct airo_info *local = dev->ml_priv;
6107	StatusRid status_rid;		/* Card status info */
6108
6109	readStatusRid(local, &status_rid, 1);
6110
6111	vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6112	/* If more than one rate, set auto */
6113	readConfigRid(local, 1);
6114	vwrq->fixed = (local->config.rates[1] == 0);
6115
6116	return 0;
6117}
6118
6119/*------------------------------------------------------------------*/
6120/*
6121 * Wireless Handler : set RTS threshold
6122 */
6123static int airo_set_rts(struct net_device *dev,
6124			struct iw_request_info *info,
6125			struct iw_param *vwrq,
6126			char *extra)
6127{
6128	struct airo_info *local = dev->ml_priv;
6129	int rthr = vwrq->value;
6130
6131	if(vwrq->disabled)
6132		rthr = AIRO_DEF_MTU;
6133	if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6134		return -EINVAL;
6135	}
6136	readConfigRid(local, 1);
6137	local->config.rtsThres = cpu_to_le16(rthr);
6138	set_bit (FLAG_COMMIT, &local->flags);
6139
6140	return -EINPROGRESS;		/* Call commit handler */
6141}
6142
6143/*------------------------------------------------------------------*/
6144/*
6145 * Wireless Handler : get RTS threshold
6146 */
6147static int airo_get_rts(struct net_device *dev,
6148			struct iw_request_info *info,
6149			struct iw_param *vwrq,
6150			char *extra)
6151{
6152	struct airo_info *local = dev->ml_priv;
6153
6154	readConfigRid(local, 1);
6155	vwrq->value = le16_to_cpu(local->config.rtsThres);
6156	vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6157	vwrq->fixed = 1;
6158
6159	return 0;
6160}
6161
6162/*------------------------------------------------------------------*/
6163/*
6164 * Wireless Handler : set Fragmentation threshold
6165 */
6166static int airo_set_frag(struct net_device *dev,
6167			 struct iw_request_info *info,
6168			 struct iw_param *vwrq,
6169			 char *extra)
6170{
6171	struct airo_info *local = dev->ml_priv;
6172	int fthr = vwrq->value;
6173
6174	if(vwrq->disabled)
6175		fthr = AIRO_DEF_MTU;
6176	if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6177		return -EINVAL;
6178	}
6179	fthr &= ~0x1;	/* Get an even value - is it really needed ??? */
6180	readConfigRid(local, 1);
6181	local->config.fragThresh = cpu_to_le16(fthr);
6182	set_bit (FLAG_COMMIT, &local->flags);
6183
6184	return -EINPROGRESS;		/* Call commit handler */
6185}
6186
6187/*------------------------------------------------------------------*/
6188/*
6189 * Wireless Handler : get Fragmentation threshold
6190 */
6191static int airo_get_frag(struct net_device *dev,
6192			 struct iw_request_info *info,
6193			 struct iw_param *vwrq,
6194			 char *extra)
6195{
6196	struct airo_info *local = dev->ml_priv;
6197
6198	readConfigRid(local, 1);
6199	vwrq->value = le16_to_cpu(local->config.fragThresh);
6200	vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6201	vwrq->fixed = 1;
6202
6203	return 0;
6204}
6205
6206/*------------------------------------------------------------------*/
6207/*
6208 * Wireless Handler : set Mode of Operation
6209 */
6210static int airo_set_mode(struct net_device *dev,
6211			 struct iw_request_info *info,
6212			 __u32 *uwrq,
6213			 char *extra)
6214{
6215	struct airo_info *local = dev->ml_priv;
6216	int reset = 0;
6217
6218	readConfigRid(local, 1);
6219	if (sniffing_mode(local))
6220		reset = 1;
6221
6222	switch(*uwrq) {
6223		case IW_MODE_ADHOC:
6224			local->config.opmode &= ~MODE_CFG_MASK;
6225			local->config.opmode |= MODE_STA_IBSS;
6226			local->config.rmode &= ~RXMODE_FULL_MASK;
6227			local->config.scanMode = SCANMODE_ACTIVE;
6228			clear_bit (FLAG_802_11, &local->flags);
6229			break;
6230		case IW_MODE_INFRA:
6231			local->config.opmode &= ~MODE_CFG_MASK;
6232			local->config.opmode |= MODE_STA_ESS;
6233			local->config.rmode &= ~RXMODE_FULL_MASK;
6234			local->config.scanMode = SCANMODE_ACTIVE;
6235			clear_bit (FLAG_802_11, &local->flags);
6236			break;
6237		case IW_MODE_MASTER:
6238			local->config.opmode &= ~MODE_CFG_MASK;
6239			local->config.opmode |= MODE_AP;
6240			local->config.rmode &= ~RXMODE_FULL_MASK;
6241			local->config.scanMode = SCANMODE_ACTIVE;
6242			clear_bit (FLAG_802_11, &local->flags);
6243			break;
6244		case IW_MODE_REPEAT:
6245			local->config.opmode &= ~MODE_CFG_MASK;
6246			local->config.opmode |= MODE_AP_RPTR;
6247			local->config.rmode &= ~RXMODE_FULL_MASK;
6248			local->config.scanMode = SCANMODE_ACTIVE;
6249			clear_bit (FLAG_802_11, &local->flags);
6250			break;
6251		case IW_MODE_MONITOR:
6252			local->config.opmode &= ~MODE_CFG_MASK;
6253			local->config.opmode |= MODE_STA_ESS;
6254			local->config.rmode &= ~RXMODE_FULL_MASK;
6255			local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6256			local->config.scanMode = SCANMODE_PASSIVE;
6257			set_bit (FLAG_802_11, &local->flags);
6258			break;
6259		default:
6260			return -EINVAL;
6261	}
6262	if (reset)
6263		set_bit (FLAG_RESET, &local->flags);
6264	set_bit (FLAG_COMMIT, &local->flags);
6265
6266	return -EINPROGRESS;		/* Call commit handler */
6267}
6268
6269/*------------------------------------------------------------------*/
6270/*
6271 * Wireless Handler : get Mode of Operation
6272 */
6273static int airo_get_mode(struct net_device *dev,
6274			 struct iw_request_info *info,
6275			 __u32 *uwrq,
6276			 char *extra)
6277{
6278	struct airo_info *local = dev->ml_priv;
6279
6280	readConfigRid(local, 1);
6281	/* If not managed, assume it's ad-hoc */
6282	switch (local->config.opmode & MODE_CFG_MASK) {
6283		case MODE_STA_ESS:
6284			*uwrq = IW_MODE_INFRA;
6285			break;
6286		case MODE_AP:
6287			*uwrq = IW_MODE_MASTER;
6288			break;
6289		case MODE_AP_RPTR:
6290			*uwrq = IW_MODE_REPEAT;
6291			break;
6292		default:
6293			*uwrq = IW_MODE_ADHOC;
6294	}
6295
6296	return 0;
6297}
6298
6299static inline int valid_index(struct airo_info *ai, int index)
6300{
6301	return (index >= 0) && (index <= ai->max_wep_idx);
6302}
6303
6304/*------------------------------------------------------------------*/
6305/*
6306 * Wireless Handler : set Encryption Key
6307 */
6308static int airo_set_encode(struct net_device *dev,
6309			   struct iw_request_info *info,
6310			   struct iw_point *dwrq,
6311			   char *extra)
6312{
6313	struct airo_info *local = dev->ml_priv;
6314	int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
6315	__le16 currentAuthType = local->config.authType;
6316	int rc = 0;
6317
6318	if (!local->wep_capable)
6319		return -EOPNOTSUPP;
6320
6321	readConfigRid(local, 1);
6322
6323	/* Basic checking: do we have a key to set ?
6324	 * Note : with the new API, it's impossible to get a NULL pointer.
6325	 * Therefore, we need to check a key size == 0 instead.
6326	 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6327	 * when no key is present (only change flags), but older versions
6328	 * don't do it. - Jean II */
6329	if (dwrq->length > 0) {
6330		wep_key_t key;
6331		int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6332		int current_index;
6333
6334		/* Check the size of the key */
6335		if (dwrq->length > MAX_KEY_SIZE) {
6336			return -EINVAL;
6337		}
6338
6339		current_index = get_wep_tx_idx(local);
6340		if (current_index < 0)
6341			current_index = 0;
6342
6343		/* Check the index (none -> use current) */
6344		if (!valid_index(local, index))
6345			index = current_index;
6346
6347		/* Set the length */
6348		if (dwrq->length > MIN_KEY_SIZE)
6349			key.len = MAX_KEY_SIZE;
6350		else
6351			key.len = MIN_KEY_SIZE;
6352		/* Check if the key is not marked as invalid */
6353		if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6354			/* Cleanup */
6355			memset(key.key, 0, MAX_KEY_SIZE);
6356			/* Copy the key in the driver */
6357			memcpy(key.key, extra, dwrq->length);
6358			/* Send the key to the card */
6359			rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6360			if (rc < 0) {
6361				airo_print_err(local->dev->name, "failed to set"
6362				               " WEP key at index %d: %d.",
6363				               index, rc);
6364				return rc;
6365			}
6366		}
6367		/* WE specify that if a valid key is set, encryption
6368		 * should be enabled (user may turn it off later)
6369		 * This is also how "iwconfig ethX key on" works */
6370		if((index == current_index) && (key.len > 0) &&
6371		   (local->config.authType == AUTH_OPEN)) {
6372			local->config.authType = AUTH_ENCRYPT;
6373		}
6374	} else {
6375		/* Do we want to just set the transmit key index ? */
6376		int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6377		if (valid_index(local, index)) {
6378			rc = set_wep_tx_idx(local, index, perm, 1);
6379			if (rc < 0) {
6380				airo_print_err(local->dev->name, "failed to set"
6381				               " WEP transmit index to %d: %d.",
6382				               index, rc);
6383				return rc;
6384			}
6385		} else {
6386			/* Don't complain if only change the mode */
6387			if (!(dwrq->flags & IW_ENCODE_MODE))
6388				return -EINVAL;
6389		}
6390	}
6391	/* Read the flags */
6392	if(dwrq->flags & IW_ENCODE_DISABLED)
6393		local->config.authType = AUTH_OPEN;	// disable encryption
6394	if(dwrq->flags & IW_ENCODE_RESTRICTED)
6395		local->config.authType = AUTH_SHAREDKEY;	// Only Both
6396	if(dwrq->flags & IW_ENCODE_OPEN)
6397		local->config.authType = AUTH_ENCRYPT;	// Only Wep
6398	/* Commit the changes to flags if needed */
6399	if (local->config.authType != currentAuthType)
6400		set_bit (FLAG_COMMIT, &local->flags);
6401	return -EINPROGRESS;		/* Call commit handler */
6402}
6403
6404/*------------------------------------------------------------------*/
6405/*
6406 * Wireless Handler : get Encryption Key
6407 */
6408static int airo_get_encode(struct net_device *dev,
6409			   struct iw_request_info *info,
6410			   struct iw_point *dwrq,
6411			   char *extra)
6412{
6413	struct airo_info *local = dev->ml_priv;
6414	int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6415	int wep_key_len;
6416	u8 buf[16];
6417
6418	if (!local->wep_capable)
6419		return -EOPNOTSUPP;
6420
6421	readConfigRid(local, 1);
6422
6423	/* Check encryption mode */
6424	switch(local->config.authType)	{
6425		case AUTH_ENCRYPT:
6426			dwrq->flags = IW_ENCODE_OPEN;
6427			break;
6428		case AUTH_SHAREDKEY:
6429			dwrq->flags = IW_ENCODE_RESTRICTED;
6430			break;
6431		default:
6432		case AUTH_OPEN:
6433			dwrq->flags = IW_ENCODE_DISABLED;
6434			break;
6435	}
6436	/* We can't return the key, so set the proper flag and return zero */
6437	dwrq->flags |= IW_ENCODE_NOKEY;
6438	memset(extra, 0, 16);
6439
6440	/* Which key do we want ? -1 -> tx index */
6441	if (!valid_index(local, index)) {
6442		index = get_wep_tx_idx(local);
6443		if (index < 0)
6444			index = 0;
6445	}
6446	dwrq->flags |= index + 1;
6447
6448	/* Copy the key to the user buffer */
6449	wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
6450	if (wep_key_len < 0) {
6451		dwrq->length = 0;
6452	} else {
6453		dwrq->length = wep_key_len;
6454		memcpy(extra, buf, dwrq->length);
6455	}
6456
6457	return 0;
6458}
6459
6460/*------------------------------------------------------------------*/
6461/*
6462 * Wireless Handler : set extended Encryption parameters
6463 */
6464static int airo_set_encodeext(struct net_device *dev,
6465			   struct iw_request_info *info,
6466			    union iwreq_data *wrqu,
6467			    char *extra)
6468{
6469	struct airo_info *local = dev->ml_priv;
6470	struct iw_point *encoding = &wrqu->encoding;
6471	struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6472	int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6473	__le16 currentAuthType = local->config.authType;
6474	int idx, key_len, alg = ext->alg, set_key = 1, rc;
6475	wep_key_t key;
6476
6477	if (!local->wep_capable)
6478		return -EOPNOTSUPP;
6479
6480	readConfigRid(local, 1);
6481
6482	/* Determine and validate the key index */
6483	idx = encoding->flags & IW_ENCODE_INDEX;
6484	if (idx) {
6485		if (!valid_index(local, idx - 1))
6486			return -EINVAL;
6487		idx--;
6488	} else {
6489		idx = get_wep_tx_idx(local);
6490		if (idx < 0)
6491			idx = 0;
6492	}
6493
6494	if (encoding->flags & IW_ENCODE_DISABLED)
6495		alg = IW_ENCODE_ALG_NONE;
6496
6497	if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6498		/* Only set transmit key index here, actual
6499		 * key is set below if needed.
6500		 */
6501		rc = set_wep_tx_idx(local, idx, perm, 1);
6502		if (rc < 0) {
6503			airo_print_err(local->dev->name, "failed to set "
6504			               "WEP transmit index to %d: %d.",
6505			               idx, rc);
6506			return rc;
6507		}
6508		set_key = ext->key_len > 0 ? 1 : 0;
6509	}
6510
6511	if (set_key) {
6512		/* Set the requested key first */
6513		memset(key.key, 0, MAX_KEY_SIZE);
6514		switch (alg) {
6515		case IW_ENCODE_ALG_NONE:
6516			key.len = 0;
6517			break;
6518		case IW_ENCODE_ALG_WEP:
6519			if (ext->key_len > MIN_KEY_SIZE) {
6520				key.len = MAX_KEY_SIZE;
6521			} else if (ext->key_len > 0) {
6522				key.len = MIN_KEY_SIZE;
6523			} else {
6524				return -EINVAL;
6525			}
6526			key_len = min (ext->key_len, key.len);
6527			memcpy(key.key, ext->key, key_len);
6528			break;
6529		default:
6530			return -EINVAL;
6531		}
6532		if (key.len == 0) {
6533			rc = set_wep_tx_idx(local, idx, perm, 1);
6534			if (rc < 0) {
6535				airo_print_err(local->dev->name,
6536					       "failed to set WEP transmit index to %d: %d.",
6537					       idx, rc);
6538				return rc;
6539			}
6540		} else {
6541			rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6542			if (rc < 0) {
6543				airo_print_err(local->dev->name,
6544					       "failed to set WEP key at index %d: %d.",
6545					       idx, rc);
6546				return rc;
6547			}
6548		}
6549	}
6550
6551	/* Read the flags */
6552	if(encoding->flags & IW_ENCODE_DISABLED)
6553		local->config.authType = AUTH_OPEN;	// disable encryption
6554	if(encoding->flags & IW_ENCODE_RESTRICTED)
6555		local->config.authType = AUTH_SHAREDKEY;	// Only Both
6556	if(encoding->flags & IW_ENCODE_OPEN)
6557		local->config.authType = AUTH_ENCRYPT;	// Only Wep
6558	/* Commit the changes to flags if needed */
6559	if (local->config.authType != currentAuthType)
6560		set_bit (FLAG_COMMIT, &local->flags);
6561
6562	return -EINPROGRESS;
6563}
6564
6565
6566/*------------------------------------------------------------------*/
6567/*
6568 * Wireless Handler : get extended Encryption parameters
6569 */
6570static int airo_get_encodeext(struct net_device *dev,
6571			    struct iw_request_info *info,
6572			    union iwreq_data *wrqu,
6573			    char *extra)
6574{
6575	struct airo_info *local = dev->ml_priv;
6576	struct iw_point *encoding = &wrqu->encoding;
6577	struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6578	int idx, max_key_len, wep_key_len;
6579	u8 buf[16];
6580
6581	if (!local->wep_capable)
6582		return -EOPNOTSUPP;
6583
6584	readConfigRid(local, 1);
6585
6586	max_key_len = encoding->length - sizeof(*ext);
6587	if (max_key_len < 0)
6588		return -EINVAL;
6589
6590	idx = encoding->flags & IW_ENCODE_INDEX;
6591	if (idx) {
6592		if (!valid_index(local, idx - 1))
6593			return -EINVAL;
6594		idx--;
6595	} else {
6596		idx = get_wep_tx_idx(local);
6597		if (idx < 0)
6598			idx = 0;
6599	}
6600
6601	encoding->flags = idx + 1;
6602	memset(ext, 0, sizeof(*ext));
6603
6604	/* Check encryption mode */
6605	switch(local->config.authType) {
6606		case AUTH_ENCRYPT:
6607			encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6608			break;
6609		case AUTH_SHAREDKEY:
6610			encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6611			break;
6612		default:
6613		case AUTH_OPEN:
6614			encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6615			break;
6616	}
6617	/* We can't return the key, so set the proper flag and return zero */
6618	encoding->flags |= IW_ENCODE_NOKEY;
6619	memset(extra, 0, 16);
6620
6621	/* Copy the key to the user buffer */
6622	wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6623	if (wep_key_len < 0) {
6624		ext->key_len = 0;
6625	} else {
6626		ext->key_len = wep_key_len;
6627		memcpy(extra, buf, ext->key_len);
6628	}
6629
6630	return 0;
6631}
6632
6633
6634/*------------------------------------------------------------------*/
6635/*
6636 * Wireless Handler : set extended authentication parameters
6637 */
6638static int airo_set_auth(struct net_device *dev,
6639			       struct iw_request_info *info,
6640			       union iwreq_data *wrqu, char *extra)
6641{
6642	struct airo_info *local = dev->ml_priv;
6643	struct iw_param *param = &wrqu->param;
6644	__le16 currentAuthType = local->config.authType;
6645
6646	switch (param->flags & IW_AUTH_INDEX) {
6647	case IW_AUTH_WPA_VERSION:
6648	case IW_AUTH_CIPHER_PAIRWISE:
6649	case IW_AUTH_CIPHER_GROUP:
6650	case IW_AUTH_KEY_MGMT:
6651	case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6652	case IW_AUTH_PRIVACY_INVOKED:
6653		/*
6654		 * airo does not use these parameters
6655		 */
6656		break;
6657
6658	case IW_AUTH_DROP_UNENCRYPTED:
6659		if (param->value) {
6660			/* Only change auth type if unencrypted */
6661			if (currentAuthType == AUTH_OPEN)
6662				local->config.authType = AUTH_ENCRYPT;
6663		} else {
6664			local->config.authType = AUTH_OPEN;
6665		}
6666
6667		/* Commit the changes to flags if needed */
6668		if (local->config.authType != currentAuthType)
6669			set_bit (FLAG_COMMIT, &local->flags);
6670		break;
6671
6672	case IW_AUTH_80211_AUTH_ALG: {
6673			/* FIXME: What about AUTH_OPEN?  This API seems to
6674			 * disallow setting our auth to AUTH_OPEN.
6675			 */
6676			if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6677				local->config.authType = AUTH_SHAREDKEY;
6678			} else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6679				local->config.authType = AUTH_ENCRYPT;
6680			} else
6681				return -EINVAL;
6682
6683			/* Commit the changes to flags if needed */
6684			if (local->config.authType != currentAuthType)
6685				set_bit (FLAG_COMMIT, &local->flags);
6686			break;
6687		}
6688
6689	case IW_AUTH_WPA_ENABLED:
6690		/* Silently accept disable of WPA */
6691		if (param->value > 0)
6692			return -EOPNOTSUPP;
6693		break;
6694
6695	default:
6696		return -EOPNOTSUPP;
6697	}
6698	return -EINPROGRESS;
6699}
6700
6701
6702/*------------------------------------------------------------------*/
6703/*
6704 * Wireless Handler : get extended authentication parameters
6705 */
6706static int airo_get_auth(struct net_device *dev,
6707			       struct iw_request_info *info,
6708			       union iwreq_data *wrqu, char *extra)
6709{
6710	struct airo_info *local = dev->ml_priv;
6711	struct iw_param *param = &wrqu->param;
6712	__le16 currentAuthType = local->config.authType;
6713
6714	switch (param->flags & IW_AUTH_INDEX) {
6715	case IW_AUTH_DROP_UNENCRYPTED:
6716		switch (currentAuthType) {
6717		case AUTH_SHAREDKEY:
6718		case AUTH_ENCRYPT:
6719			param->value = 1;
6720			break;
6721		default:
6722			param->value = 0;
6723			break;
6724		}
6725		break;
6726
6727	case IW_AUTH_80211_AUTH_ALG:
6728		switch (currentAuthType) {
6729		case AUTH_SHAREDKEY:
6730			param->value = IW_AUTH_ALG_SHARED_KEY;
6731			break;
6732		case AUTH_ENCRYPT:
6733		default:
6734			param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6735			break;
6736		}
6737		break;
6738
6739	case IW_AUTH_WPA_ENABLED:
6740		param->value = 0;
6741		break;
6742
6743	default:
6744		return -EOPNOTSUPP;
6745	}
6746	return 0;
6747}
6748
6749
6750/*------------------------------------------------------------------*/
6751/*
6752 * Wireless Handler : set Tx-Power
6753 */
6754static int airo_set_txpow(struct net_device *dev,
6755			  struct iw_request_info *info,
6756			  struct iw_param *vwrq,
6757			  char *extra)
6758{
6759	struct airo_info *local = dev->ml_priv;
6760	CapabilityRid cap_rid;		/* Card capability info */
6761	int i;
6762	int rc = -EINVAL;
6763	__le16 v = cpu_to_le16(vwrq->value);
6764
6765	readCapabilityRid(local, &cap_rid, 1);
6766
6767	if (vwrq->disabled) {
6768		set_bit (FLAG_RADIO_OFF, &local->flags);
6769		set_bit (FLAG_COMMIT, &local->flags);
6770		return -EINPROGRESS;		/* Call commit handler */
6771	}
6772	if (vwrq->flags != IW_TXPOW_MWATT) {
6773		return -EINVAL;
6774	}
6775	clear_bit (FLAG_RADIO_OFF, &local->flags);
6776	for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++)
6777		if (v == cap_rid.txPowerLevels[i]) {
6778			readConfigRid(local, 1);
6779			local->config.txPower = v;
6780			set_bit (FLAG_COMMIT, &local->flags);
6781			rc = -EINPROGRESS;	/* Call commit handler */
6782			break;
6783		}
6784	return rc;
6785}
6786
6787/*------------------------------------------------------------------*/
6788/*
6789 * Wireless Handler : get Tx-Power
6790 */
6791static int airo_get_txpow(struct net_device *dev,
6792			  struct iw_request_info *info,
6793			  struct iw_param *vwrq,
6794			  char *extra)
6795{
6796	struct airo_info *local = dev->ml_priv;
6797
6798	readConfigRid(local, 1);
6799	vwrq->value = le16_to_cpu(local->config.txPower);
6800	vwrq->fixed = 1;	/* No power control */
6801	vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6802	vwrq->flags = IW_TXPOW_MWATT;
6803
6804	return 0;
6805}
6806
6807/*------------------------------------------------------------------*/
6808/*
6809 * Wireless Handler : set Retry limits
6810 */
6811static int airo_set_retry(struct net_device *dev,
6812			  struct iw_request_info *info,
6813			  struct iw_param *vwrq,
6814			  char *extra)
6815{
6816	struct airo_info *local = dev->ml_priv;
6817	int rc = -EINVAL;
6818
6819	if(vwrq->disabled) {
6820		return -EINVAL;
6821	}
6822	readConfigRid(local, 1);
6823	if(vwrq->flags & IW_RETRY_LIMIT) {
6824		__le16 v = cpu_to_le16(vwrq->value);
6825		if(vwrq->flags & IW_RETRY_LONG)
6826			local->config.longRetryLimit = v;
6827		else if (vwrq->flags & IW_RETRY_SHORT)
6828			local->config.shortRetryLimit = v;
6829		else {
6830			/* No modifier : set both */
6831			local->config.longRetryLimit = v;
6832			local->config.shortRetryLimit = v;
6833		}
6834		set_bit (FLAG_COMMIT, &local->flags);
6835		rc = -EINPROGRESS;		/* Call commit handler */
6836	}
6837	if(vwrq->flags & IW_RETRY_LIFETIME) {
6838		local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6839		set_bit (FLAG_COMMIT, &local->flags);
6840		rc = -EINPROGRESS;		/* Call commit handler */
6841	}
6842	return rc;
6843}
6844
6845/*------------------------------------------------------------------*/
6846/*
6847 * Wireless Handler : get Retry limits
6848 */
6849static int airo_get_retry(struct net_device *dev,
6850			  struct iw_request_info *info,
6851			  struct iw_param *vwrq,
6852			  char *extra)
6853{
6854	struct airo_info *local = dev->ml_priv;
6855
6856	vwrq->disabled = 0;      /* Can't be disabled */
6857
6858	readConfigRid(local, 1);
6859	/* Note : by default, display the min retry number */
6860	if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6861		vwrq->flags = IW_RETRY_LIFETIME;
6862		vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6863	} else if((vwrq->flags & IW_RETRY_LONG)) {
6864		vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6865		vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6866	} else {
6867		vwrq->flags = IW_RETRY_LIMIT;
6868		vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6869		if(local->config.shortRetryLimit != local->config.longRetryLimit)
6870			vwrq->flags |= IW_RETRY_SHORT;
6871	}
6872
6873	return 0;
6874}
6875
6876/*------------------------------------------------------------------*/
6877/*
6878 * Wireless Handler : get range info
6879 */
6880static int airo_get_range(struct net_device *dev,
6881			  struct iw_request_info *info,
6882			  struct iw_point *dwrq,
6883			  char *extra)
6884{
6885	struct airo_info *local = dev->ml_priv;
6886	struct iw_range *range = (struct iw_range *) extra;
6887	CapabilityRid cap_rid;		/* Card capability info */
6888	int		i;
6889	int		k;
6890
6891	readCapabilityRid(local, &cap_rid, 1);
6892
6893	dwrq->length = sizeof(struct iw_range);
6894	memset(range, 0, sizeof(*range));
6895	range->min_nwid = 0x0000;
6896	range->max_nwid = 0x0000;
6897	range->num_channels = 14;
6898	/* Should be based on cap_rid.country to give only
6899	 * what the current card support */
6900	k = 0;
6901	for(i = 0; i < 14; i++) {
6902		range->freq[k].i = i + 1; /* List index */
6903		range->freq[k].m = 100000 *
6904		     ieee80211_channel_to_frequency(i + 1, IEEE80211_BAND_2GHZ);
6905		range->freq[k++].e = 1;	/* Values in MHz -> * 10^5 * 10 */
6906	}
6907	range->num_frequency = k;
6908
6909	range->sensitivity = 65535;
6910
6911	/* Hum... Should put the right values there */
6912	if (local->rssi)
6913		range->max_qual.qual = 100;	/* % */
6914	else
6915		range->max_qual.qual = airo_get_max_quality(&cap_rid);
6916	range->max_qual.level = 0x100 - 120;	/* -120 dBm */
6917	range->max_qual.noise = 0x100 - 120;	/* -120 dBm */
6918
6919	/* Experimental measurements - boundary 11/5.5 Mb/s */
6920	/* Note : with or without the (local->rssi), results
6921	 * are somewhat different. - Jean II */
6922	if (local->rssi) {
6923		range->avg_qual.qual = 50;		/* % */
6924		range->avg_qual.level = 0x100 - 70;	/* -70 dBm */
6925	} else {
6926		range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6927		range->avg_qual.level = 0x100 - 80;	/* -80 dBm */
6928	}
6929	range->avg_qual.noise = 0x100 - 85;		/* -85 dBm */
6930
6931	for(i = 0 ; i < 8 ; i++) {
6932		range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6933		if(range->bitrate[i] == 0)
6934			break;
6935	}
6936	range->num_bitrates = i;
6937
6938	/* Set an indication of the max TCP throughput
6939	 * in bit/s that we can expect using this interface.
6940	 * May be use for QoS stuff... Jean II */
6941	if(i > 2)
6942		range->throughput = 5000 * 1000;
6943	else
6944		range->throughput = 1500 * 1000;
6945
6946	range->min_rts = 0;
6947	range->max_rts = AIRO_DEF_MTU;
6948	range->min_frag = 256;
6949	range->max_frag = AIRO_DEF_MTU;
6950
6951	if(cap_rid.softCap & cpu_to_le16(2)) {
6952		// WEP: RC4 40 bits
6953		range->encoding_size[0] = 5;
6954		// RC4 ~128 bits
6955		if (cap_rid.softCap & cpu_to_le16(0x100)) {
6956			range->encoding_size[1] = 13;
6957			range->num_encoding_sizes = 2;
6958		} else
6959			range->num_encoding_sizes = 1;
6960		range->max_encoding_tokens =
6961			cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
6962	} else {
6963		range->num_encoding_sizes = 0;
6964		range->max_encoding_tokens = 0;
6965	}
6966	range->min_pmp = 0;
6967	range->max_pmp = 5000000;	/* 5 secs */
6968	range->min_pmt = 0;
6969	range->max_pmt = 65535 * 1024;	/* ??? */
6970	range->pmp_flags = IW_POWER_PERIOD;
6971	range->pmt_flags = IW_POWER_TIMEOUT;
6972	range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6973
6974	/* Transmit Power - values are in mW */
6975	for(i = 0 ; i < 8 ; i++) {
6976		range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
6977		if(range->txpower[i] == 0)
6978			break;
6979	}
6980	range->num_txpower = i;
6981	range->txpower_capa = IW_TXPOW_MWATT;
6982	range->we_version_source = 19;
6983	range->we_version_compiled = WIRELESS_EXT;
6984	range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6985	range->retry_flags = IW_RETRY_LIMIT;
6986	range->r_time_flags = IW_RETRY_LIFETIME;
6987	range->min_retry = 1;
6988	range->max_retry = 65535;
6989	range->min_r_time = 1024;
6990	range->max_r_time = 65535 * 1024;
6991
6992	/* Event capability (kernel + driver) */
6993	range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6994				IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6995				IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6996				IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6997	range->event_capa[1] = IW_EVENT_CAPA_K_1;
6998	range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6999	return 0;
7000}
7001
7002/*------------------------------------------------------------------*/
7003/*
7004 * Wireless Handler : set Power Management
7005 */
7006static int airo_set_power(struct net_device *dev,
7007			  struct iw_request_info *info,
7008			  struct iw_param *vwrq,
7009			  char *extra)
7010{
7011	struct airo_info *local = dev->ml_priv;
7012
7013	readConfigRid(local, 1);
7014	if (vwrq->disabled) {
7015		if (sniffing_mode(local))
7016			return -EINVAL;
7017		local->config.powerSaveMode = POWERSAVE_CAM;
7018		local->config.rmode &= ~RXMODE_MASK;
7019		local->config.rmode |= RXMODE_BC_MC_ADDR;
7020		set_bit (FLAG_COMMIT, &local->flags);
7021		return -EINPROGRESS;		/* Call commit handler */
7022	}
7023	if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7024		local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
7025		local->config.powerSaveMode = POWERSAVE_PSPCAM;
7026		set_bit (FLAG_COMMIT, &local->flags);
7027	} else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7028		local->config.fastListenInterval =
7029		local->config.listenInterval =
7030			cpu_to_le16((vwrq->value + 500) / 1024);
7031		local->config.powerSaveMode = POWERSAVE_PSPCAM;
7032		set_bit (FLAG_COMMIT, &local->flags);
7033	}
7034	switch (vwrq->flags & IW_POWER_MODE) {
7035		case IW_POWER_UNICAST_R:
7036			if (sniffing_mode(local))
7037				return -EINVAL;
7038			local->config.rmode &= ~RXMODE_MASK;
7039			local->config.rmode |= RXMODE_ADDR;
7040			set_bit (FLAG_COMMIT, &local->flags);
7041			break;
7042		case IW_POWER_ALL_R:
7043			if (sniffing_mode(local))
7044				return -EINVAL;
7045			local->config.rmode &= ~RXMODE_MASK;
7046			local->config.rmode |= RXMODE_BC_MC_ADDR;
7047			set_bit (FLAG_COMMIT, &local->flags);
7048		case IW_POWER_ON:
7049			/* This is broken, fixme ;-) */
7050			break;
7051		default:
7052			return -EINVAL;
7053	}
7054	// Note : we may want to factor local->need_commit here
7055	// Note2 : may also want to factor RXMODE_RFMON test
7056	return -EINPROGRESS;		/* Call commit handler */
7057}
7058
7059/*------------------------------------------------------------------*/
7060/*
7061 * Wireless Handler : get Power Management
7062 */
7063static int airo_get_power(struct net_device *dev,
7064			  struct iw_request_info *info,
7065			  struct iw_param *vwrq,
7066			  char *extra)
7067{
7068	struct airo_info *local = dev->ml_priv;
7069	__le16 mode;
7070
7071	readConfigRid(local, 1);
7072	mode = local->config.powerSaveMode;
7073	if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7074		return 0;
7075	if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7076		vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
7077		vwrq->flags = IW_POWER_TIMEOUT;
7078	} else {
7079		vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
7080		vwrq->flags = IW_POWER_PERIOD;
7081	}
7082	if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
7083		vwrq->flags |= IW_POWER_UNICAST_R;
7084	else
7085		vwrq->flags |= IW_POWER_ALL_R;
7086
7087	return 0;
7088}
7089
7090/*------------------------------------------------------------------*/
7091/*
7092 * Wireless Handler : set Sensitivity
7093 */
7094static int airo_set_sens(struct net_device *dev,
7095			 struct iw_request_info *info,
7096			 struct iw_param *vwrq,
7097			 char *extra)
7098{
7099	struct airo_info *local = dev->ml_priv;
7100
7101	readConfigRid(local, 1);
7102	local->config.rssiThreshold =
7103		cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
7104	set_bit (FLAG_COMMIT, &local->flags);
7105
7106	return -EINPROGRESS;		/* Call commit handler */
7107}
7108
7109/*------------------------------------------------------------------*/
7110/*
7111 * Wireless Handler : get Sensitivity
7112 */
7113static int airo_get_sens(struct net_device *dev,
7114			 struct iw_request_info *info,
7115			 struct iw_param *vwrq,
7116			 char *extra)
7117{
7118	struct airo_info *local = dev->ml_priv;
7119
7120	readConfigRid(local, 1);
7121	vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7122	vwrq->disabled = (vwrq->value == 0);
7123	vwrq->fixed = 1;
7124
7125	return 0;
7126}
7127
7128/*------------------------------------------------------------------*/
7129/*
7130 * Wireless Handler : get AP List
7131 * Note : this is deprecated in favor of IWSCAN
7132 */
7133static int airo_get_aplist(struct net_device *dev,
7134			   struct iw_request_info *info,
7135			   struct iw_point *dwrq,
7136			   char *extra)
7137{
7138	struct airo_info *local = dev->ml_priv;
7139	struct sockaddr *address = (struct sockaddr *) extra;
7140	struct iw_quality *qual;
7141	BSSListRid BSSList;
7142	int i;
7143	int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7144
7145	qual = kmalloc(IW_MAX_AP * sizeof(*qual), GFP_KERNEL);
7146	if (!qual)
7147		return -ENOMEM;
7148
7149	for (i = 0; i < IW_MAX_AP; i++) {
7150		u16 dBm;
7151		if (readBSSListRid(local, loseSync, &BSSList))
7152			break;
7153		loseSync = 0;
7154		memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7155		address[i].sa_family = ARPHRD_ETHER;
7156		dBm = le16_to_cpu(BSSList.dBm);
7157		if (local->rssi) {
7158			qual[i].level = 0x100 - dBm;
7159			qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7160			qual[i].updated = IW_QUAL_QUAL_UPDATED
7161					| IW_QUAL_LEVEL_UPDATED
7162					| IW_QUAL_DBM;
7163		} else {
7164			qual[i].level = (dBm + 321) / 2;
7165			qual[i].qual = 0;
7166			qual[i].updated = IW_QUAL_QUAL_INVALID
7167					| IW_QUAL_LEVEL_UPDATED
7168					| IW_QUAL_DBM;
7169		}
7170		qual[i].noise = local->wstats.qual.noise;
7171		if (BSSList.index == cpu_to_le16(0xffff))
7172			break;
7173	}
7174	if (!i) {
7175		StatusRid status_rid;		/* Card status info */
7176		readStatusRid(local, &status_rid, 1);
7177		for (i = 0;
7178		     i < min(IW_MAX_AP, 4) &&
7179			     (status_rid.bssid[i][0]
7180			      & status_rid.bssid[i][1]
7181			      & status_rid.bssid[i][2]
7182			      & status_rid.bssid[i][3]
7183			      & status_rid.bssid[i][4]
7184			      & status_rid.bssid[i][5])!=0xff &&
7185			     (status_rid.bssid[i][0]
7186			      | status_rid.bssid[i][1]
7187			      | status_rid.bssid[i][2]
7188			      | status_rid.bssid[i][3]
7189			      | status_rid.bssid[i][4]
7190			      | status_rid.bssid[i][5]);
7191		     i++) {
7192			memcpy(address[i].sa_data,
7193			       status_rid.bssid[i], ETH_ALEN);
7194			address[i].sa_family = ARPHRD_ETHER;
7195		}
7196	} else {
7197		dwrq->flags = 1; /* Should be define'd */
7198		memcpy(extra + sizeof(struct sockaddr) * i, qual,
7199		       sizeof(struct iw_quality) * i);
7200	}
7201	dwrq->length = i;
7202
7203	kfree(qual);
7204	return 0;
7205}
7206
7207/*------------------------------------------------------------------*/
7208/*
7209 * Wireless Handler : Initiate Scan
7210 */
7211static int airo_set_scan(struct net_device *dev,
7212			 struct iw_request_info *info,
7213			 struct iw_point *dwrq,
7214			 char *extra)
7215{
7216	struct airo_info *ai = dev->ml_priv;
7217	Cmd cmd;
7218	Resp rsp;
7219	int wake = 0;
7220
7221	/* Note : you may have realised that, as this is a SET operation,
7222	 * this is privileged and therefore a normal user can't
7223	 * perform scanning.
7224	 * This is not an error, while the device perform scanning,
7225	 * traffic doesn't flow, so it's a perfect DoS...
7226	 * Jean II */
7227	if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7228
7229	if (down_interruptible(&ai->sem))
7230		return -ERESTARTSYS;
7231
7232	/* If there's already a scan in progress, don't
7233	 * trigger another one. */
7234	if (ai->scan_timeout > 0)
7235		goto out;
7236
7237	/* Initiate a scan command */
7238	ai->scan_timeout = RUN_AT(3*HZ);
7239	memset(&cmd, 0, sizeof(cmd));
7240	cmd.cmd=CMD_LISTBSS;
7241	issuecommand(ai, &cmd, &rsp);
7242	wake = 1;
7243
7244out:
7245	up(&ai->sem);
7246	if (wake)
7247		wake_up_interruptible(&ai->thr_wait);
7248	return 0;
7249}
7250
7251/*------------------------------------------------------------------*/
7252/*
7253 * Translate scan data returned from the card to a card independent
7254 * format that the Wireless Tools will understand - Jean II
7255 */
7256static inline char *airo_translate_scan(struct net_device *dev,
7257					struct iw_request_info *info,
7258					char *current_ev,
7259					char *end_buf,
7260					BSSListRid *bss)
7261{
7262	struct airo_info *ai = dev->ml_priv;
7263	struct iw_event		iwe;		/* Temporary buffer */
7264	__le16			capabilities;
7265	char *			current_val;	/* For rates */
7266	int			i;
7267	char *		buf;
7268	u16 dBm;
7269
7270	/* First entry *MUST* be the AP MAC address */
7271	iwe.cmd = SIOCGIWAP;
7272	iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7273	memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7274	current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7275					  &iwe, IW_EV_ADDR_LEN);
7276
7277	/* Other entries will be displayed in the order we give them */
7278
7279	/* Add the ESSID */
7280	iwe.u.data.length = bss->ssidLen;
7281	if(iwe.u.data.length > 32)
7282		iwe.u.data.length = 32;
7283	iwe.cmd = SIOCGIWESSID;
7284	iwe.u.data.flags = 1;
7285	current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7286					  &iwe, bss->ssid);
7287
7288	/* Add mode */
7289	iwe.cmd = SIOCGIWMODE;
7290	capabilities = bss->cap;
7291	if(capabilities & (CAP_ESS | CAP_IBSS)) {
7292		if(capabilities & CAP_ESS)
7293			iwe.u.mode = IW_MODE_MASTER;
7294		else
7295			iwe.u.mode = IW_MODE_ADHOC;
7296		current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7297						  &iwe, IW_EV_UINT_LEN);
7298	}
7299
7300	/* Add frequency */
7301	iwe.cmd = SIOCGIWFREQ;
7302	iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7303	iwe.u.freq.m = 100000 *
7304	      ieee80211_channel_to_frequency(iwe.u.freq.m, IEEE80211_BAND_2GHZ);
7305	iwe.u.freq.e = 1;
7306	current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7307					  &iwe, IW_EV_FREQ_LEN);
7308
7309	dBm = le16_to_cpu(bss->dBm);
7310
7311	/* Add quality statistics */
7312	iwe.cmd = IWEVQUAL;
7313	if (ai->rssi) {
7314		iwe.u.qual.level = 0x100 - dBm;
7315		iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7316		iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7317				| IW_QUAL_LEVEL_UPDATED
7318				| IW_QUAL_DBM;
7319	} else {
7320		iwe.u.qual.level = (dBm + 321) / 2;
7321		iwe.u.qual.qual = 0;
7322		iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7323				| IW_QUAL_LEVEL_UPDATED
7324				| IW_QUAL_DBM;
7325	}
7326	iwe.u.qual.noise = ai->wstats.qual.noise;
7327	current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7328					  &iwe, IW_EV_QUAL_LEN);
7329
7330	/* Add encryption capability */
7331	iwe.cmd = SIOCGIWENCODE;
7332	if(capabilities & CAP_PRIVACY)
7333		iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7334	else
7335		iwe.u.data.flags = IW_ENCODE_DISABLED;
7336	iwe.u.data.length = 0;
7337	current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7338					  &iwe, bss->ssid);
7339
7340	/* Rate : stuffing multiple values in a single event require a bit
7341	 * more of magic - Jean II */
7342	current_val = current_ev + iwe_stream_lcp_len(info);
7343
7344	iwe.cmd = SIOCGIWRATE;
7345	/* Those two flags are ignored... */
7346	iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7347	/* Max 8 values */
7348	for(i = 0 ; i < 8 ; i++) {
7349		/* NULL terminated */
7350		if(bss->rates[i] == 0)
7351			break;
7352		/* Bit rate given in 500 kb/s units (+ 0x80) */
7353		iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7354		/* Add new value to event */
7355		current_val = iwe_stream_add_value(info, current_ev,
7356						   current_val, end_buf,
7357						   &iwe, IW_EV_PARAM_LEN);
7358	}
7359	/* Check if we added any event */
7360	if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7361		current_ev = current_val;
7362
7363	/* Beacon interval */
7364	buf = kmalloc(30, GFP_KERNEL);
7365	if (buf) {
7366		iwe.cmd = IWEVCUSTOM;
7367		sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7368		iwe.u.data.length = strlen(buf);
7369		current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7370						  &iwe, buf);
7371		kfree(buf);
7372	}
7373
7374	/* Put WPA/RSN Information Elements into the event stream */
7375	if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7376		unsigned int num_null_ies = 0;
7377		u16 length = sizeof (bss->extra.iep);
7378		u8 *ie = (void *)&bss->extra.iep;
7379
7380		while ((length >= 2) && (num_null_ies < 2)) {
7381			if (2 + ie[1] > length) {
7382				/* Invalid element, don't continue parsing IE */
7383				break;
7384			}
7385
7386			switch (ie[0]) {
7387			case WLAN_EID_SSID:
7388				/* Two zero-length SSID elements
7389				 * mean we're done parsing elements */
7390				if (!ie[1])
7391					num_null_ies++;
7392				break;
7393
7394			case WLAN_EID_VENDOR_SPECIFIC:
7395				if (ie[1] >= 4 &&
7396				    ie[2] == 0x00 &&
7397				    ie[3] == 0x50 &&
7398				    ie[4] == 0xf2 &&
7399				    ie[5] == 0x01) {
7400					iwe.cmd = IWEVGENIE;
7401					/* 64 is an arbitrary cut-off */
7402					iwe.u.data.length = min(ie[1] + 2,
7403								64);
7404					current_ev = iwe_stream_add_point(
7405							info, current_ev,
7406							end_buf, &iwe, ie);
7407				}
7408				break;
7409
7410			case WLAN_EID_RSN:
7411				iwe.cmd = IWEVGENIE;
7412				/* 64 is an arbitrary cut-off */
7413				iwe.u.data.length = min(ie[1] + 2, 64);
7414				current_ev = iwe_stream_add_point(
7415					info, current_ev, end_buf,
7416					&iwe, ie);
7417				break;
7418
7419			default:
7420				break;
7421			}
7422
7423			length -= 2 + ie[1];
7424			ie += 2 + ie[1];
7425		}
7426	}
7427	return current_ev;
7428}
7429
7430/*------------------------------------------------------------------*/
7431/*
7432 * Wireless Handler : Read Scan Results
7433 */
7434static int airo_get_scan(struct net_device *dev,
7435			 struct iw_request_info *info,
7436			 struct iw_point *dwrq,
7437			 char *extra)
7438{
7439	struct airo_info *ai = dev->ml_priv;
7440	BSSListElement *net;
7441	int err = 0;
7442	char *current_ev = extra;
7443
7444	/* If a scan is in-progress, return -EAGAIN */
7445	if (ai->scan_timeout > 0)
7446		return -EAGAIN;
7447
7448	if (down_interruptible(&ai->sem))
7449		return -EAGAIN;
7450
7451	list_for_each_entry (net, &ai->network_list, list) {
7452		/* Translate to WE format this entry */
7453		current_ev = airo_translate_scan(dev, info, current_ev,
7454						 extra + dwrq->length,
7455						 &net->bss);
7456
7457		/* Check if there is space for one more entry */
7458		if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7459			/* Ask user space to try again with a bigger buffer */
7460			err = -E2BIG;
7461			goto out;
7462		}
7463	}
7464
7465	/* Length of data */
7466	dwrq->length = (current_ev - extra);
7467	dwrq->flags = 0;	/* todo */
7468
7469out:
7470	up(&ai->sem);
7471	return err;
7472}
7473
7474/*------------------------------------------------------------------*/
7475/*
7476 * Commit handler : called after a bunch of SET operations
7477 */
7478static int airo_config_commit(struct net_device *dev,
7479			      struct iw_request_info *info,	/* NULL */
7480			      void *zwrq,			/* NULL */
7481			      char *extra)			/* NULL */
7482{
7483	struct airo_info *local = dev->ml_priv;
7484
7485	if (!test_bit (FLAG_COMMIT, &local->flags))
7486		return 0;
7487
7488	/* Some of the "SET" function may have modified some of the
7489	 * parameters. It's now time to commit them in the card */
7490	disable_MAC(local, 1);
7491	if (test_bit (FLAG_RESET, &local->flags)) {
7492		APListRid APList_rid;
7493		SsidRid SSID_rid;
7494
7495		readAPListRid(local, &APList_rid);
7496		readSsidRid(local, &SSID_rid);
7497		if (test_bit(FLAG_MPI,&local->flags))
7498			setup_card(local, dev->dev_addr, 1 );
7499		else
7500			reset_airo_card(dev);
7501		disable_MAC(local, 1);
7502		writeSsidRid(local, &SSID_rid, 1);
7503		writeAPListRid(local, &APList_rid, 1);
7504	}
7505	if (down_interruptible(&local->sem))
7506		return -ERESTARTSYS;
7507	writeConfigRid(local, 0);
7508	enable_MAC(local, 0);
7509	if (test_bit (FLAG_RESET, &local->flags))
7510		airo_set_promisc(local);
7511	else
7512		up(&local->sem);
7513
7514	return 0;
7515}
7516
7517/*------------------------------------------------------------------*/
7518/*
7519 * Structures to export the Wireless Handlers
7520 */
7521
7522static const struct iw_priv_args airo_private_args[] = {
7523/*{ cmd,         set_args,                            get_args, name } */
7524  { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7525    IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7526  { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7527    IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7528};
7529
7530static const iw_handler		airo_handler[] =
7531{
7532	(iw_handler) airo_config_commit,	/* SIOCSIWCOMMIT */
7533	(iw_handler) airo_get_name,		/* SIOCGIWNAME */
7534	(iw_handler) NULL,			/* SIOCSIWNWID */
7535	(iw_handler) NULL,			/* SIOCGIWNWID */
7536	(iw_handler) airo_set_freq,		/* SIOCSIWFREQ */
7537	(iw_handler) airo_get_freq,		/* SIOCGIWFREQ */
7538	(iw_handler) airo_set_mode,		/* SIOCSIWMODE */
7539	(iw_handler) airo_get_mode,		/* SIOCGIWMODE */
7540	(iw_handler) airo_set_sens,		/* SIOCSIWSENS */
7541	(iw_handler) airo_get_sens,		/* SIOCGIWSENS */
7542	(iw_handler) NULL,			/* SIOCSIWRANGE */
7543	(iw_handler) airo_get_range,		/* SIOCGIWRANGE */
7544	(iw_handler) NULL,			/* SIOCSIWPRIV */
7545	(iw_handler) NULL,			/* SIOCGIWPRIV */
7546	(iw_handler) NULL,			/* SIOCSIWSTATS */
7547	(iw_handler) NULL,			/* SIOCGIWSTATS */
7548	iw_handler_set_spy,			/* SIOCSIWSPY */
7549	iw_handler_get_spy,			/* SIOCGIWSPY */
7550	iw_handler_set_thrspy,			/* SIOCSIWTHRSPY */
7551	iw_handler_get_thrspy,			/* SIOCGIWTHRSPY */
7552	(iw_handler) airo_set_wap,		/* SIOCSIWAP */
7553	(iw_handler) airo_get_wap,		/* SIOCGIWAP */
7554	(iw_handler) NULL,			/* -- hole -- */
7555	(iw_handler) airo_get_aplist,		/* SIOCGIWAPLIST */
7556	(iw_handler) airo_set_scan,		/* SIOCSIWSCAN */
7557	(iw_handler) airo_get_scan,		/* SIOCGIWSCAN */
7558	(iw_handler) airo_set_essid,		/* SIOCSIWESSID */
7559	(iw_handler) airo_get_essid,		/* SIOCGIWESSID */
7560	(iw_handler) airo_set_nick,		/* SIOCSIWNICKN */
7561	(iw_handler) airo_get_nick,		/* SIOCGIWNICKN */
7562	(iw_handler) NULL,			/* -- hole -- */
7563	(iw_handler) NULL,			/* -- hole -- */
7564	(iw_handler) airo_set_rate,		/* SIOCSIWRATE */
7565	(iw_handler) airo_get_rate,		/* SIOCGIWRATE */
7566	(iw_handler) airo_set_rts,		/* SIOCSIWRTS */
7567	(iw_handler) airo_get_rts,		/* SIOCGIWRTS */
7568	(iw_handler) airo_set_frag,		/* SIOCSIWFRAG */
7569	(iw_handler) airo_get_frag,		/* SIOCGIWFRAG */
7570	(iw_handler) airo_set_txpow,		/* SIOCSIWTXPOW */
7571	(iw_handler) airo_get_txpow,		/* SIOCGIWTXPOW */
7572	(iw_handler) airo_set_retry,		/* SIOCSIWRETRY */
7573	(iw_handler) airo_get_retry,		/* SIOCGIWRETRY */
7574	(iw_handler) airo_set_encode,		/* SIOCSIWENCODE */
7575	(iw_handler) airo_get_encode,		/* SIOCGIWENCODE */
7576	(iw_handler) airo_set_power,		/* SIOCSIWPOWER */
7577	(iw_handler) airo_get_power,		/* SIOCGIWPOWER */
7578	(iw_handler) NULL,			/* -- hole -- */
7579	(iw_handler) NULL,			/* -- hole -- */
7580	(iw_handler) NULL,			/* SIOCSIWGENIE */
7581	(iw_handler) NULL,			/* SIOCGIWGENIE */
7582	(iw_handler) airo_set_auth,		/* SIOCSIWAUTH */
7583	(iw_handler) airo_get_auth,		/* SIOCGIWAUTH */
7584	(iw_handler) airo_set_encodeext,	/* SIOCSIWENCODEEXT */
7585	(iw_handler) airo_get_encodeext,	/* SIOCGIWENCODEEXT */
7586	(iw_handler) NULL,			/* SIOCSIWPMKSA */
7587};
7588
7589/* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7590 * We want to force the use of the ioctl code, because those can't be
7591 * won't work the iw_handler code (because they simultaneously read
7592 * and write data and iw_handler can't do that).
7593 * Note that it's perfectly legal to read/write on a single ioctl command,
7594 * you just can't use iwpriv and need to force it via the ioctl handler.
7595 * Jean II */
7596static const iw_handler		airo_private_handler[] =
7597{
7598	NULL,				/* SIOCIWFIRSTPRIV */
7599};
7600
7601static const struct iw_handler_def	airo_handler_def =
7602{
7603	.num_standard	= ARRAY_SIZE(airo_handler),
7604	.num_private	= ARRAY_SIZE(airo_private_handler),
7605	.num_private_args = ARRAY_SIZE(airo_private_args),
7606	.standard	= airo_handler,
7607	.private	= airo_private_handler,
7608	.private_args	= airo_private_args,
7609	.get_wireless_stats = airo_get_wireless_stats,
7610};
7611
7612/*
7613 * This defines the configuration part of the Wireless Extensions
7614 * Note : irq and spinlock protection will occur in the subroutines
7615 *
7616 * TODO :
7617 *	o Check input value more carefully and fill correct values in range
7618 *	o Test and shakeout the bugs (if any)
7619 *
7620 * Jean II
7621 *
7622 * Javier Achirica did a great job of merging code from the unnamed CISCO
7623 * developer that added support for flashing the card.
7624 */
7625static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7626{
7627	int rc = 0;
7628	struct airo_info *ai = dev->ml_priv;
7629
7630	if (ai->power.event)
7631		return 0;
7632
7633	switch (cmd) {
7634#ifdef CISCO_EXT
7635	case AIROIDIFC:
7636#ifdef AIROOLDIDIFC
7637	case AIROOLDIDIFC:
7638#endif
7639	{
7640		int val = AIROMAGIC;
7641		aironet_ioctl com;
7642		if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7643			rc = -EFAULT;
7644		else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7645			rc = -EFAULT;
7646	}
7647	break;
7648
7649	case AIROIOCTL:
7650#ifdef AIROOLDIOCTL
7651	case AIROOLDIOCTL:
7652#endif
7653		/* Get the command struct and hand it off for evaluation by
7654		 * the proper subfunction
7655		 */
7656	{
7657		aironet_ioctl com;
7658		if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7659			rc = -EFAULT;
7660			break;
7661		}
7662
7663		/* Separate R/W functions bracket legality here
7664		 */
7665		if ( com.command == AIRORSWVERSION ) {
7666			if (copy_to_user(com.data, swversion, sizeof(swversion)))
7667				rc = -EFAULT;
7668			else
7669				rc = 0;
7670		}
7671		else if ( com.command <= AIRORRID)
7672			rc = readrids(dev,&com);
7673		else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7674			rc = writerids(dev,&com);
7675		else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7676			rc = flashcard(dev,&com);
7677		else
7678			rc = -EINVAL;      /* Bad command in ioctl */
7679	}
7680	break;
7681#endif /* CISCO_EXT */
7682
7683	// All other calls are currently unsupported
7684	default:
7685		rc = -EOPNOTSUPP;
7686	}
7687	return rc;
7688}
7689
7690/*
7691 * Get the Wireless stats out of the driver
7692 * Note : irq and spinlock protection will occur in the subroutines
7693 *
7694 * TODO :
7695 *	o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7696 *
7697 * Jean
7698 */
7699static void airo_read_wireless_stats(struct airo_info *local)
7700{
7701	StatusRid status_rid;
7702	StatsRid stats_rid;
7703	CapabilityRid cap_rid;
7704	__le32 *vals = stats_rid.vals;
7705
7706	/* Get stats out of the card */
7707	clear_bit(JOB_WSTATS, &local->jobs);
7708	if (local->power.event) {
7709		up(&local->sem);
7710		return;
7711	}
7712	readCapabilityRid(local, &cap_rid, 0);
7713	readStatusRid(local, &status_rid, 0);
7714	readStatsRid(local, &stats_rid, RID_STATS, 0);
7715	up(&local->sem);
7716
7717	/* The status */
7718	local->wstats.status = le16_to_cpu(status_rid.mode);
7719
7720	/* Signal quality and co */
7721	if (local->rssi) {
7722		local->wstats.qual.level =
7723			airo_rssi_to_dbm(local->rssi,
7724					 le16_to_cpu(status_rid.sigQuality));
7725		/* normalizedSignalStrength appears to be a percentage */
7726		local->wstats.qual.qual =
7727			le16_to_cpu(status_rid.normalizedSignalStrength);
7728	} else {
7729		local->wstats.qual.level =
7730			(le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7731		local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7732	}
7733	if (le16_to_cpu(status_rid.len) >= 124) {
7734		local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7735		local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7736	} else {
7737		local->wstats.qual.noise = 0;
7738		local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7739	}
7740
7741	/* Packets discarded in the wireless adapter due to wireless
7742	 * specific problems */
7743	local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7744				     le32_to_cpu(vals[57]) +
7745				     le32_to_cpu(vals[58]); /* SSID Mismatch */
7746	local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7747	local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7748	local->wstats.discard.retries = le32_to_cpu(vals[10]);
7749	local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7750				     le32_to_cpu(vals[32]);
7751	local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7752}
7753
7754static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7755{
7756	struct airo_info *local =  dev->ml_priv;
7757
7758	if (!test_bit(JOB_WSTATS, &local->jobs)) {
7759		/* Get stats out of the card if available */
7760		if (down_trylock(&local->sem) != 0) {
7761			set_bit(JOB_WSTATS, &local->jobs);
7762			wake_up_interruptible(&local->thr_wait);
7763		} else
7764			airo_read_wireless_stats(local);
7765	}
7766
7767	return &local->wstats;
7768}
7769
7770#ifdef CISCO_EXT
7771/*
7772 * This just translates from driver IOCTL codes to the command codes to
7773 * feed to the radio's host interface. Things can be added/deleted
7774 * as needed.  This represents the READ side of control I/O to
7775 * the card
7776 */
7777static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7778	unsigned short ridcode;
7779	unsigned char *iobuf;
7780	int len;
7781	struct airo_info *ai = dev->ml_priv;
7782
7783	if (test_bit(FLAG_FLASHING, &ai->flags))
7784		return -EIO;
7785
7786	switch(comp->command)
7787	{
7788	case AIROGCAP:      ridcode = RID_CAPABILITIES; break;
7789	case AIROGCFG:      ridcode = RID_CONFIG;
7790		if (test_bit(FLAG_COMMIT, &ai->flags)) {
7791			disable_MAC (ai, 1);
7792			writeConfigRid (ai, 1);
7793			enable_MAC(ai, 1);
7794		}
7795		break;
7796	case AIROGSLIST:    ridcode = RID_SSID;         break;
7797	case AIROGVLIST:    ridcode = RID_APLIST;       break;
7798	case AIROGDRVNAM:   ridcode = RID_DRVNAME;      break;
7799	case AIROGEHTENC:   ridcode = RID_ETHERENCAP;   break;
7800	case AIROGWEPKTMP:  ridcode = RID_WEP_TEMP;
7801		/* Only super-user can read WEP keys */
7802		if (!capable(CAP_NET_ADMIN))
7803			return -EPERM;
7804		break;
7805	case AIROGWEPKNV:   ridcode = RID_WEP_PERM;
7806		/* Only super-user can read WEP keys */
7807		if (!capable(CAP_NET_ADMIN))
7808			return -EPERM;
7809		break;
7810	case AIROGSTAT:     ridcode = RID_STATUS;       break;
7811	case AIROGSTATSD32: ridcode = RID_STATSDELTA;   break;
7812	case AIROGSTATSC32: ridcode = RID_STATS;        break;
7813	case AIROGMICSTATS:
7814		if (copy_to_user(comp->data, &ai->micstats,
7815				 min((int)comp->len,(int)sizeof(ai->micstats))))
7816			return -EFAULT;
7817		return 0;
7818	case AIRORRID:      ridcode = comp->ridnum;     break;
7819	default:
7820		return -EINVAL;
7821	}
7822
7823	if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7824		return -ENOMEM;
7825
7826	PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7827	/* get the count of bytes in the rid  docs say 1st 2 bytes is it.
7828	 * then return it to the user
7829	 * 9/22/2000 Honor user given length
7830	 */
7831	len = comp->len;
7832
7833	if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7834		kfree (iobuf);
7835		return -EFAULT;
7836	}
7837	kfree (iobuf);
7838	return 0;
7839}
7840
7841/*
7842 * Danger Will Robinson write the rids here
7843 */
7844
7845static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7846	struct airo_info *ai = dev->ml_priv;
7847	int  ridcode;
7848        int  enabled;
7849	static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7850	unsigned char *iobuf;
7851
7852	/* Only super-user can write RIDs */
7853	if (!capable(CAP_NET_ADMIN))
7854		return -EPERM;
7855
7856	if (test_bit(FLAG_FLASHING, &ai->flags))
7857		return -EIO;
7858
7859	ridcode = 0;
7860	writer = do_writerid;
7861
7862	switch(comp->command)
7863	{
7864	case AIROPSIDS:     ridcode = RID_SSID;         break;
7865	case AIROPCAP:      ridcode = RID_CAPABILITIES; break;
7866	case AIROPAPLIST:   ridcode = RID_APLIST;       break;
7867	case AIROPCFG: ai->config.len = 0;
7868			    clear_bit(FLAG_COMMIT, &ai->flags);
7869			    ridcode = RID_CONFIG;       break;
7870	case AIROPWEPKEYNV: ridcode = RID_WEP_PERM;     break;
7871	case AIROPLEAPUSR:  ridcode = RID_LEAPUSERNAME; break;
7872	case AIROPLEAPPWD:  ridcode = RID_LEAPPASSWORD; break;
7873	case AIROPWEPKEY:   ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7874		break;
7875	case AIROPLEAPUSR+1: ridcode = 0xFF2A;          break;
7876	case AIROPLEAPUSR+2: ridcode = 0xFF2B;          break;
7877
7878		/* this is not really a rid but a command given to the card
7879		 * same with MAC off
7880		 */
7881	case AIROPMACON:
7882		if (enable_MAC(ai, 1) != 0)
7883			return -EIO;
7884		return 0;
7885
7886		/*
7887		 * Evidently this code in the airo driver does not get a symbol
7888		 * as disable_MAC. it's probably so short the compiler does not gen one.
7889		 */
7890	case AIROPMACOFF:
7891		disable_MAC(ai, 1);
7892		return 0;
7893
7894		/* This command merely clears the counts does not actually store any data
7895		 * only reads rid. But as it changes the cards state, I put it in the
7896		 * writerid routines.
7897		 */
7898	case AIROPSTCLR:
7899		if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7900			return -ENOMEM;
7901
7902		PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7903
7904		enabled = ai->micstats.enabled;
7905		memset(&ai->micstats,0,sizeof(ai->micstats));
7906		ai->micstats.enabled = enabled;
7907
7908		if (copy_to_user(comp->data, iobuf,
7909				 min((int)comp->len, (int)RIDSIZE))) {
7910			kfree (iobuf);
7911			return -EFAULT;
7912		}
7913		kfree (iobuf);
7914		return 0;
7915
7916	default:
7917		return -EOPNOTSUPP;	/* Blarg! */
7918	}
7919	if(comp->len > RIDSIZE)
7920		return -EINVAL;
7921
7922	if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7923		return -ENOMEM;
7924
7925	if (copy_from_user(iobuf,comp->data,comp->len)) {
7926		kfree (iobuf);
7927		return -EFAULT;
7928	}
7929
7930	if (comp->command == AIROPCFG) {
7931		ConfigRid *cfg = (ConfigRid *)iobuf;
7932
7933		if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7934			cfg->opmode |= MODE_MIC;
7935
7936		if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
7937			set_bit (FLAG_ADHOC, &ai->flags);
7938		else
7939			clear_bit (FLAG_ADHOC, &ai->flags);
7940	}
7941
7942	if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7943		kfree (iobuf);
7944		return -EIO;
7945	}
7946	kfree (iobuf);
7947	return 0;
7948}
7949
7950/*****************************************************************************
7951 * Ancillary flash / mod functions much black magic lurkes here              *
7952 *****************************************************************************
7953 */
7954
7955/*
7956 * Flash command switch table
7957 */
7958
7959static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7960	int z;
7961
7962	/* Only super-user can modify flash */
7963	if (!capable(CAP_NET_ADMIN))
7964		return -EPERM;
7965
7966	switch(comp->command)
7967	{
7968	case AIROFLSHRST:
7969		return cmdreset((struct airo_info *)dev->ml_priv);
7970
7971	case AIROFLSHSTFL:
7972		if (!AIRO_FLASH(dev) &&
7973		    (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
7974			return -ENOMEM;
7975		return setflashmode((struct airo_info *)dev->ml_priv);
7976
7977	case AIROFLSHGCHR: /* Get char from aux */
7978		if(comp->len != sizeof(int))
7979			return -EINVAL;
7980		if (copy_from_user(&z,comp->data,comp->len))
7981			return -EFAULT;
7982		return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
7983
7984	case AIROFLSHPCHR: /* Send char to card. */
7985		if(comp->len != sizeof(int))
7986			return -EINVAL;
7987		if (copy_from_user(&z,comp->data,comp->len))
7988			return -EFAULT;
7989		return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
7990
7991	case AIROFLPUTBUF: /* Send 32k to card */
7992		if (!AIRO_FLASH(dev))
7993			return -ENOMEM;
7994		if(comp->len > FLASHSIZE)
7995			return -EINVAL;
7996		if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
7997			return -EFAULT;
7998
7999		flashputbuf((struct airo_info *)dev->ml_priv);
8000		return 0;
8001
8002	case AIRORESTART:
8003		if (flashrestart((struct airo_info *)dev->ml_priv, dev))
8004			return -EIO;
8005		return 0;
8006	}
8007	return -EINVAL;
8008}
8009
8010#define FLASH_COMMAND  0x7e7e
8011
8012/*
8013 * STEP 1)
8014 * Disable MAC and do soft reset on
8015 * card.
8016 */
8017
8018static int cmdreset(struct airo_info *ai) {
8019	disable_MAC(ai, 1);
8020
8021	if(!waitbusy (ai)){
8022		airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8023		return -EBUSY;
8024	}
8025
8026	OUT4500(ai,COMMAND,CMD_SOFTRESET);
8027
8028	ssleep(1);			/* WAS 600 12/7/00 */
8029
8030	if(!waitbusy (ai)){
8031		airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8032		return -EBUSY;
8033	}
8034	return 0;
8035}
8036
8037/* STEP 2)
8038 * Put the card in legendary flash
8039 * mode
8040 */
8041
8042static int setflashmode (struct airo_info *ai) {
8043	set_bit (FLAG_FLASHING, &ai->flags);
8044
8045	OUT4500(ai, SWS0, FLASH_COMMAND);
8046	OUT4500(ai, SWS1, FLASH_COMMAND);
8047	if (probe) {
8048		OUT4500(ai, SWS0, FLASH_COMMAND);
8049		OUT4500(ai, COMMAND,0x10);
8050	} else {
8051		OUT4500(ai, SWS2, FLASH_COMMAND);
8052		OUT4500(ai, SWS3, FLASH_COMMAND);
8053		OUT4500(ai, COMMAND,0);
8054	}
8055	msleep(500);		/* 500ms delay */
8056
8057	if(!waitbusy(ai)) {
8058		clear_bit (FLAG_FLASHING, &ai->flags);
8059		airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8060		return -EIO;
8061	}
8062	return 0;
8063}
8064
8065/* Put character to SWS0 wait for dwelltime
8066 * x 50us for  echo .
8067 */
8068
8069static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8070	int echo;
8071	int waittime;
8072
8073	byte |= 0x8000;
8074
8075	if(dwelltime == 0 )
8076		dwelltime = 200;
8077
8078	waittime=dwelltime;
8079
8080	/* Wait for busy bit d15 to go false indicating buffer empty */
8081	while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8082		udelay (50);
8083		waittime -= 50;
8084	}
8085
8086	/* timeout for busy clear wait */
8087	if(waittime <= 0 ){
8088		airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8089		return -EBUSY;
8090	}
8091
8092	/* Port is clear now write byte and wait for it to echo back */
8093	do {
8094		OUT4500(ai,SWS0,byte);
8095		udelay(50);
8096		dwelltime -= 50;
8097		echo = IN4500(ai,SWS1);
8098	} while (dwelltime >= 0 && echo != byte);
8099
8100	OUT4500(ai,SWS1,0);
8101
8102	return (echo == byte) ? 0 : -EIO;
8103}
8104
8105/*
8106 * Get a character from the card matching matchbyte
8107 * Step 3)
8108 */
8109static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8110	int           rchar;
8111	unsigned char rbyte=0;
8112
8113	do {
8114		rchar = IN4500(ai,SWS1);
8115
8116		if(dwelltime && !(0x8000 & rchar)){
8117			dwelltime -= 10;
8118			mdelay(10);
8119			continue;
8120		}
8121		rbyte = 0xff & rchar;
8122
8123		if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8124			OUT4500(ai,SWS1,0);
8125			return 0;
8126		}
8127		if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8128			break;
8129		OUT4500(ai,SWS1,0);
8130
8131	}while(dwelltime > 0);
8132	return -EIO;
8133}
8134
8135/*
8136 * Transfer 32k of firmware data from user buffer to our buffer and
8137 * send to the card
8138 */
8139
8140static int flashputbuf(struct airo_info *ai){
8141	int            nwords;
8142
8143	/* Write stuff */
8144	if (test_bit(FLAG_MPI,&ai->flags))
8145		memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8146	else {
8147		OUT4500(ai,AUXPAGE,0x100);
8148		OUT4500(ai,AUXOFF,0);
8149
8150		for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8151			OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8152		}
8153	}
8154	OUT4500(ai,SWS0,0x8000);
8155
8156	return 0;
8157}
8158
8159/*
8160 *
8161 */
8162static int flashrestart(struct airo_info *ai,struct net_device *dev){
8163	int    i,status;
8164
8165	ssleep(1);			/* Added 12/7/00 */
8166	clear_bit (FLAG_FLASHING, &ai->flags);
8167	if (test_bit(FLAG_MPI, &ai->flags)) {
8168		status = mpi_init_descriptors(ai);
8169		if (status != SUCCESS)
8170			return status;
8171	}
8172	status = setup_card(ai, dev->dev_addr, 1);
8173
8174	if (!test_bit(FLAG_MPI,&ai->flags))
8175		for( i = 0; i < MAX_FIDS; i++ ) {
8176			ai->fids[i] = transmit_allocate
8177				( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8178		}
8179
8180	ssleep(1);			/* Added 12/7/00 */
8181	return status;
8182}
8183#endif /* CISCO_EXT */
8184
8185/*
8186    This program is free software; you can redistribute it and/or
8187    modify it under the terms of the GNU General Public License
8188    as published by the Free Software Foundation; either version 2
8189    of the License, or (at your option) any later version.
8190
8191    This program is distributed in the hope that it will be useful,
8192    but WITHOUT ANY WARRANTY; without even the implied warranty of
8193    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
8194    GNU General Public License for more details.
8195
8196    In addition:
8197
8198    Redistribution and use in source and binary forms, with or without
8199    modification, are permitted provided that the following conditions
8200    are met:
8201
8202    1. Redistributions of source code must retain the above copyright
8203       notice, this list of conditions and the following disclaimer.
8204    2. Redistributions in binary form must reproduce the above copyright
8205       notice, this list of conditions and the following disclaimer in the
8206       documentation and/or other materials provided with the distribution.
8207    3. The name of the author may not be used to endorse or promote
8208       products derived from this software without specific prior written
8209       permission.
8210
8211    THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8212    IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8213    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8214    ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8215    INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8216    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8217    SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8218    HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8219    STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8220    IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8221    POSSIBILITY OF SUCH DAMAGE.
8222*/
8223
8224module_init(airo_init_module);
8225module_exit(airo_cleanup_module);
8226