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wext: Create IW_REQUEST_FLAG_COMPAT and set it as needed.
[deliverable/linux.git] / drivers / net / wireless / airo.c
CommitLineData
1da177e4
LT		 1/*======================================================================
2
3 Aironet driver for 4500 and 4800 series cards
4
5 This code is released under both the GPL version 2 and BSD licenses.
6 Either license may be used. The respective licenses are found at
7 the end of this file.
8
9 This code was developed by Benjamin Reed <breed@users.sourceforge.net>
10 including portions of which come from the Aironet PC4500
11 Developer's Reference Manual and used with permission. Copyright
12 (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use
13 code in the Developer's manual was granted for this driver by
14 Aironet. Major code contributions were received from Javier Achirica
15 <achirica@users.sourceforge.net> and Jean Tourrilhes <jt@hpl.hp.com>.
16 Code was also integrated from the Cisco Aironet driver for Linux.
17 Support for MPI350 cards was added by Fabrice Bellet
18 <fabrice@bellet.info>.
19
20======================================================================*/
21
f12cc209 22#include <linux/err.h>
1da177e4
LT		 23#include <linux/init.h>
24
25#include <linux/kernel.h>
26#include <linux/module.h>
27#include <linux/proc_fs.h>
1da177e4
LT		 28
29#include <linux/sched.h>
30#include <linux/ptrace.h>
31#include <linux/slab.h>
32#include <linux/string.h>
33#include <linux/timer.h>
34#include <linux/interrupt.h>
35#include <linux/in.h>
36#include <linux/bitops.h>
378f058c 37#include <linux/scatterlist.h>
a39d3e79 38#include <linux/crypto.h>
1da177e4
LT		 39#include <asm/io.h>
40#include <asm/system.h>
593c2b9c 41#include <asm/unaligned.h>
1da177e4
LT		 42
43#include <linux/netdevice.h>
44#include <linux/etherdevice.h>
45#include <linux/skbuff.h>
46#include <linux/if_arp.h>
47#include <linux/ioport.h>
48#include <linux/pci.h>
49#include <asm/uaccess.h>
3c304956 50#include <net/ieee80211.h>
3b4c7d64 51#include <linux/kthread.h>
7dfb7103 52#include <linux/freezer.h>
1da177e4 53
d3808760
AB		 54#include "airo.h"
55
1138c37b
MS		 56#define DRV_NAME "airo"
57
1da177e4
LT		 58#ifdef CONFIG_PCI
59static struct pci_device_id card_ids[] = {
60 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
61 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
62 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
63 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
67 { 0, }
68};
69MODULE_DEVICE_TABLE(pci, card_ids);
70
71static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
72static void airo_pci_remove(struct pci_dev *);
05adc3b7 73static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
1da177e4
LT		 74static int airo_pci_resume(struct pci_dev *pdev);
75
76static struct pci_driver airo_driver = {
1138c37b 77 .name = DRV_NAME,
1da177e4
LT		 78 .id_table = card_ids,
79 .probe = airo_pci_probe,
80 .remove = __devexit_p(airo_pci_remove),
81 .suspend = airo_pci_suspend,
82 .resume = airo_pci_resume,
83};
84#endif /* CONFIG_PCI */
85
86/* Include Wireless Extension definition and check version - Jean II */
87#include <linux/wireless.h>
88#define WIRELESS_SPY // enable iwspy support
89#include <net/iw_handler.h> // New driver API
90
91#define CISCO_EXT // enable Cisco extensions
92#ifdef CISCO_EXT
93#include <linux/delay.h>
94#endif
95
1da177e4
LT		 96/* Hack to do some power saving */
97#define POWER_ON_DOWN
98
99/* As you can see this list is HUGH!
100 I really don't know what a lot of these counts are about, but they
101 are all here for completeness. If the IGNLABEL macro is put in
102 infront of the label, that statistic will not be included in the list
103 of statistics in the /proc filesystem */
104
105#define IGNLABEL(comment) NULL
106static char *statsLabels[] = {
107 "RxOverrun",
108 IGNLABEL("RxPlcpCrcErr"),
109 IGNLABEL("RxPlcpFormatErr"),
110 IGNLABEL("RxPlcpLengthErr"),
111 "RxMacCrcErr",
112 "RxMacCrcOk",
113 "RxWepErr",
114 "RxWepOk",
115 "RetryLong",
116 "RetryShort",
117 "MaxRetries",
118 "NoAck",
119 "NoCts",
120 "RxAck",
121 "RxCts",
122 "TxAck",
123 "TxRts",
124 "TxCts",
125 "TxMc",
126 "TxBc",
127 "TxUcFrags",
128 "TxUcPackets",
129 "TxBeacon",
130 "RxBeacon",
131 "TxSinColl",
132 "TxMulColl",
133 "DefersNo",
134 "DefersProt",
135 "DefersEngy",
136 "DupFram",
137 "RxFragDisc",
138 "TxAged",
139 "RxAged",
140 "LostSync-MaxRetry",
141 "LostSync-MissedBeacons",
142 "LostSync-ArlExceeded",
143 "LostSync-Deauth",
144 "LostSync-Disassoced",
145 "LostSync-TsfTiming",
146 "HostTxMc",
147 "HostTxBc",
148 "HostTxUc",
149 "HostTxFail",
150 "HostRxMc",
151 "HostRxBc",
152 "HostRxUc",
153 "HostRxDiscard",
154 IGNLABEL("HmacTxMc"),
155 IGNLABEL("HmacTxBc"),
156 IGNLABEL("HmacTxUc"),
157 IGNLABEL("HmacTxFail"),
158 IGNLABEL("HmacRxMc"),
159 IGNLABEL("HmacRxBc"),
160 IGNLABEL("HmacRxUc"),
161 IGNLABEL("HmacRxDiscard"),
162 IGNLABEL("HmacRxAccepted"),
163 "SsidMismatch",
164 "ApMismatch",
165 "RatesMismatch",
166 "AuthReject",
167 "AuthTimeout",
168 "AssocReject",
169 "AssocTimeout",
170 IGNLABEL("ReasonOutsideTable"),
171 IGNLABEL("ReasonStatus1"),
172 IGNLABEL("ReasonStatus2"),
173 IGNLABEL("ReasonStatus3"),
174 IGNLABEL("ReasonStatus4"),
175 IGNLABEL("ReasonStatus5"),
176 IGNLABEL("ReasonStatus6"),
177 IGNLABEL("ReasonStatus7"),
178 IGNLABEL("ReasonStatus8"),
179 IGNLABEL("ReasonStatus9"),
180 IGNLABEL("ReasonStatus10"),
181 IGNLABEL("ReasonStatus11"),
182 IGNLABEL("ReasonStatus12"),
183 IGNLABEL("ReasonStatus13"),
184 IGNLABEL("ReasonStatus14"),
185 IGNLABEL("ReasonStatus15"),
186 IGNLABEL("ReasonStatus16"),
187 IGNLABEL("ReasonStatus17"),
188 IGNLABEL("ReasonStatus18"),
189 IGNLABEL("ReasonStatus19"),
190 "RxMan",
191 "TxMan",
192 "RxRefresh",
193 "TxRefresh",
194 "RxPoll",
195 "TxPoll",
196 "HostRetries",
197 "LostSync-HostReq",
198 "HostTxBytes",
199 "HostRxBytes",
200 "ElapsedUsec",
201 "ElapsedSec",
202 "LostSyncBetterAP",
203 "PrivacyMismatch",
204 "Jammed",
205 "DiscRxNotWepped",
206 "PhyEleMismatch",
207 (char*)-1 };
208#ifndef RUN_AT
209#define RUN_AT(x) (jiffies+(x))
210#endif
211
212
213/* These variables are for insmod, since it seems that the rates
214 can only be set in setup_card. Rates should be a comma separated
215 (no spaces) list of rates (up to 8). */
216
217static int rates[8];
218static int basic_rate;
219static char *ssids[3];
220
221static int io[4];
222static int irq[4];
223
224static
225int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
226 0 means no limit. For old cards this was 4 */
227
228static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
229static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
230 the bap, needed on some older cards and buses. */
231static int adhoc;
232
233static int probe = 1;
234
235static int proc_uid /* = 0 */;
236
237static int proc_gid /* = 0 */;
238
239static int airo_perm = 0555;
240
241static int proc_perm = 0644;
242
243MODULE_AUTHOR("Benjamin Reed");
244MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
d73ae55a
BN		 245cards. Direct support for ISA/PCI/MPI cards and support \
246for PCMCIA when used with airo_cs.");
1da177e4
LT		 247MODULE_LICENSE("Dual BSD/GPL");
248MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
249module_param_array(io, int, NULL, 0);
250module_param_array(irq, int, NULL, 0);
251module_param(basic_rate, int, 0);
252module_param_array(rates, int, NULL, 0);
253module_param_array(ssids, charp, NULL, 0);
254module_param(auto_wep, int, 0);
255MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
256the authentication options until an association is made. The value of \
257auto_wep is number of the wep keys to check. A value of 2 will try using \
258the key at index 0 and index 1.");
259module_param(aux_bap, int, 0);
260MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
261than seems to work better for older cards with some older buses. Before \
262switching it checks that the switch is needed.");
263module_param(maxencrypt, int, 0);
264MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
265encryption. Units are in 512kbs. Zero (default) means there is no limit. \
266Older cards used to be limited to 2mbs (4).");
267module_param(adhoc, int, 0);
268MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
269module_param(probe, int, 0);
270MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
271
272module_param(proc_uid, int, 0);
273MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
274module_param(proc_gid, int, 0);
275MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
276module_param(airo_perm, int, 0);
277MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
278module_param(proc_perm, int, 0);
279MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
280
281/* This is a kind of sloppy hack to get this information to OUT4500 and
282 IN4500. I would be extremely interested in the situation where this
283 doesn't work though!!! */
284static int do8bitIO = 0;
285
286/* Return codes */
287#define SUCCESS 0
288#define ERROR -1
289#define NO_PACKET -2
290
291/* Commands */
292#define NOP2 0x0000
293#define MAC_ENABLE 0x0001
294#define MAC_DISABLE 0x0002
295#define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
296#define CMD_SOFTRESET 0x0004
297#define HOSTSLEEP 0x0005
298#define CMD_MAGIC_PKT 0x0006
299#define CMD_SETWAKEMASK 0x0007
300#define CMD_READCFG 0x0008
301#define CMD_SETMODE 0x0009
302#define CMD_ALLOCATETX 0x000a
303#define CMD_TRANSMIT 0x000b
304#define CMD_DEALLOCATETX 0x000c
305#define NOP 0x0010
306#define CMD_WORKAROUND 0x0011
307#define CMD_ALLOCATEAUX 0x0020
308#define CMD_ACCESS 0x0021
309#define CMD_PCIBAP 0x0022
310#define CMD_PCIAUX 0x0023
311#define CMD_ALLOCBUF 0x0028
312#define CMD_GETTLV 0x0029
313#define CMD_PUTTLV 0x002a
314#define CMD_DELTLV 0x002b
315#define CMD_FINDNEXTTLV 0x002c
316#define CMD_PSPNODES 0x0030
317#define CMD_SETCW 0x0031
318#define CMD_SETPCF 0x0032
319#define CMD_SETPHYREG 0x003e
320#define CMD_TXTEST 0x003f
321#define MAC_ENABLETX 0x0101
322#define CMD_LISTBSS 0x0103
323#define CMD_SAVECFG 0x0108
324#define CMD_ENABLEAUX 0x0111
325#define CMD_WRITERID 0x0121
326#define CMD_USEPSPNODES 0x0130
327#define MAC_ENABLERX 0x0201
328
329/* Command errors */
330#define ERROR_QUALIF 0x00
331#define ERROR_ILLCMD 0x01
332#define ERROR_ILLFMT 0x02
333#define ERROR_INVFID 0x03
334#define ERROR_INVRID 0x04
335#define ERROR_LARGE 0x05
336#define ERROR_NDISABL 0x06
337#define ERROR_ALLOCBSY 0x07
338#define ERROR_NORD 0x0B
339#define ERROR_NOWR 0x0C
340#define ERROR_INVFIDTX 0x0D
341#define ERROR_TESTACT 0x0E
342#define ERROR_TAGNFND 0x12
343#define ERROR_DECODE 0x20
344#define ERROR_DESCUNAV 0x21
345#define ERROR_BADLEN 0x22
346#define ERROR_MODE 0x80
347#define ERROR_HOP 0x81
348#define ERROR_BINTER 0x82
349#define ERROR_RXMODE 0x83
350#define ERROR_MACADDR 0x84
351#define ERROR_RATES 0x85
352#define ERROR_ORDER 0x86
353#define ERROR_SCAN 0x87
354#define ERROR_AUTH 0x88
355#define ERROR_PSMODE 0x89
356#define ERROR_RTYPE 0x8A
357#define ERROR_DIVER 0x8B
358#define ERROR_SSID 0x8C
359#define ERROR_APLIST 0x8D
360#define ERROR_AUTOWAKE 0x8E
361#define ERROR_LEAP 0x8F
362
363/* Registers */
364#define COMMAND 0x00
365#define PARAM0 0x02
366#define PARAM1 0x04
367#define PARAM2 0x06
368#define STATUS 0x08
369#define RESP0 0x0a
370#define RESP1 0x0c
371#define RESP2 0x0e
372#define LINKSTAT 0x10
373#define SELECT0 0x18
374#define OFFSET0 0x1c
375#define RXFID 0x20
376#define TXALLOCFID 0x22
377#define TXCOMPLFID 0x24
378#define DATA0 0x36
379#define EVSTAT 0x30
380#define EVINTEN 0x32
381#define EVACK 0x34
382#define SWS0 0x28
383#define SWS1 0x2a
384#define SWS2 0x2c
385#define SWS3 0x2e
386#define AUXPAGE 0x3A
387#define AUXOFF 0x3C
388#define AUXDATA 0x3E
389
390#define FID_TX 1
391#define FID_RX 2
392/* Offset into aux memory for descriptors */
393#define AUX_OFFSET 0x800
394/* Size of allocated packets */
395#define PKTSIZE 1840
396#define RIDSIZE 2048
397/* Size of the transmit queue */
398#define MAXTXQ 64
399
400/* BAP selectors */
401#define BAP0 0 // Used for receiving packets
402#define BAP1 2 // Used for xmiting packets and working with RIDS
403
404/* Flags */
405#define COMMAND_BUSY 0x8000
406
407#define BAP_BUSY 0x8000
408#define BAP_ERR 0x4000
409#define BAP_DONE 0x2000
410
411#define PROMISC 0xffff
412#define NOPROMISC 0x0000
413
414#define EV_CMD 0x10
415#define EV_CLEARCOMMANDBUSY 0x4000
416#define EV_RX 0x01
417#define EV_TX 0x02
418#define EV_TXEXC 0x04
419#define EV_ALLOC 0x08
420#define EV_LINK 0x80
421#define EV_AWAKE 0x100
422#define EV_TXCPY 0x400
423#define EV_UNKNOWN 0x800
424#define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
425#define EV_AWAKEN 0x2000
426#define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
427
428#ifdef CHECK_UNKNOWN_INTS
429#define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
430#else
431#define IGNORE_INTS (~STATUS_INTS)
432#endif
433
434/* RID TYPES */
435#define RID_RW 0x20
436
437/* The RIDs */
438#define RID_CAPABILITIES 0xFF00
439#define RID_APINFO 0xFF01
440#define RID_RADIOINFO 0xFF02
441#define RID_UNKNOWN3 0xFF03
442#define RID_RSSI 0xFF04
443#define RID_CONFIG 0xFF10
444#define RID_SSID 0xFF11
445#define RID_APLIST 0xFF12
446#define RID_DRVNAME 0xFF13
447#define RID_ETHERENCAP 0xFF14
448#define RID_WEP_TEMP 0xFF15
449#define RID_WEP_PERM 0xFF16
450#define RID_MODULATION 0xFF17
451#define RID_OPTIONS 0xFF18
452#define RID_ACTUALCONFIG 0xFF20 /*readonly*/
453#define RID_FACTORYCONFIG 0xFF21
454#define RID_UNKNOWN22 0xFF22
455#define RID_LEAPUSERNAME 0xFF23
456#define RID_LEAPPASSWORD 0xFF24
457#define RID_STATUS 0xFF50
458#define RID_BEACON_HST 0xFF51
459#define RID_BUSY_HST 0xFF52
460#define RID_RETRIES_HST 0xFF53
461#define RID_UNKNOWN54 0xFF54
462#define RID_UNKNOWN55 0xFF55
463#define RID_UNKNOWN56 0xFF56
464#define RID_MIC 0xFF57
465#define RID_STATS16 0xFF60
466#define RID_STATS16DELTA 0xFF61
467#define RID_STATS16DELTACLEAR 0xFF62
468#define RID_STATS 0xFF68
469#define RID_STATSDELTA 0xFF69
470#define RID_STATSDELTACLEAR 0xFF6A
471#define RID_ECHOTEST_RID 0xFF70
472#define RID_ECHOTEST_RESULTS 0xFF71
473#define RID_BSSLISTFIRST 0xFF72
474#define RID_BSSLISTNEXT 0xFF73
3c304956
DW		 475#define RID_WPA_BSSLISTFIRST 0xFF74
476#define RID_WPA_BSSLISTNEXT 0xFF75
1da177e4
LT		 477
478typedef struct {
479 u16 cmd;
480 u16 parm0;
481 u16 parm1;
482 u16 parm2;
483} Cmd;
484
485typedef struct {
486 u16 status;
487 u16 rsp0;
488 u16 rsp1;
489 u16 rsp2;
490} Resp;
491
492/*
493 * Rids and endian-ness: The Rids will always be in cpu endian, since
494 * this all the patches from the big-endian guys end up doing that.
495 * so all rid access should use the read/writeXXXRid routines.
496 */
497
498/* This is redundant for x86 archs, but it seems necessary for ARM */
499#pragma pack(1)
500
501/* This structure came from an email sent to me from an engineer at
502 aironet for inclusion into this driver */
503typedef struct {
4293ea33
AV		 504 __le16 len;
505 __le16 kindex;
1da177e4 506 u8 mac[ETH_ALEN];
4293ea33 507 __le16 klen;
1da177e4
LT		 508 u8 key[16];
509} WepKeyRid;
510
511/* These structures are from the Aironet's PC4500 Developers Manual */
512typedef struct {
0dd2212f 513 __le16 len;
1da177e4
LT		 514 u8 ssid[32];
515} Ssid;
516
517typedef struct {
0dd2212f 518 __le16 len;
1da177e4
LT		 519 Ssid ssids[3];
520} SsidRid;
521
522typedef struct {
3eb9b41f
AV		 523 __le16 len;
524 __le16 modulation;
525#define MOD_DEFAULT cpu_to_le16(0)
526#define MOD_CCK cpu_to_le16(1)
527#define MOD_MOK cpu_to_le16(2)
1da177e4
LT		 528} ModulationRid;
529
530typedef struct {
3eb9b41f
AV		 531 __le16 len; /* sizeof(ConfigRid) */
532 __le16 opmode; /* operating mode */
533#define MODE_STA_IBSS cpu_to_le16(0)
534#define MODE_STA_ESS cpu_to_le16(1)
535#define MODE_AP cpu_to_le16(2)
536#define MODE_AP_RPTR cpu_to_le16(3)
537#define MODE_CFG_MASK cpu_to_le16(0xff)
538#define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
539#define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
540#define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
541#define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
542#define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
543#define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
544#define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
545#define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
546#define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
547 __le16 rmode; /* receive mode */
548#define RXMODE_BC_MC_ADDR cpu_to_le16(0)
549#define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
550#define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
551#define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
552#define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
553#define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
554#define RXMODE_MASK cpu_to_le16(255)
555#define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
556#define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
557#define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
558 __le16 fragThresh;
559 __le16 rtsThres;
1da177e4
LT		 560 u8 macAddr[ETH_ALEN];
561 u8 rates[8];
3eb9b41f
AV		 562 __le16 shortRetryLimit;
563 __le16 longRetryLimit;
564 __le16 txLifetime; /* in kusec */
565 __le16 rxLifetime; /* in kusec */
566 __le16 stationary;
567 __le16 ordering;
568 __le16 u16deviceType; /* for overriding device type */
569 __le16 cfpRate;
570 __le16 cfpDuration;
571 __le16 _reserved1[3];
1da177e4 572 /*---------- Scanning/Associating ----------*/
3eb9b41f
AV		 573 __le16 scanMode;
574#define SCANMODE_ACTIVE cpu_to_le16(0)
575#define SCANMODE_PASSIVE cpu_to_le16(1)
576#define SCANMODE_AIROSCAN cpu_to_le16(2)
577 __le16 probeDelay; /* in kusec */
578 __le16 probeEnergyTimeout; /* in kusec */
579 __le16 probeResponseTimeout;
580 __le16 beaconListenTimeout;
581 __le16 joinNetTimeout;
582 __le16 authTimeout;
583 __le16 authType;
584#define AUTH_OPEN cpu_to_le16(0x1)
585#define AUTH_ENCRYPT cpu_to_le16(0x101)
586#define AUTH_SHAREDKEY cpu_to_le16(0x102)
587#define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
588 __le16 associationTimeout;
589 __le16 specifiedApTimeout;
590 __le16 offlineScanInterval;
591 __le16 offlineScanDuration;
592 __le16 linkLossDelay;
593 __le16 maxBeaconLostTime;
594 __le16 refreshInterval;
595#define DISABLE_REFRESH cpu_to_le16(0xFFFF)
596 __le16 _reserved1a[1];
1da177e4 597 /*---------- Power save operation ----------*/
3eb9b41f
AV		 598 __le16 powerSaveMode;
599#define POWERSAVE_CAM cpu_to_le16(0)
600#define POWERSAVE_PSP cpu_to_le16(1)
601#define POWERSAVE_PSPCAM cpu_to_le16(2)
602 __le16 sleepForDtims;
603 __le16 listenInterval;
604 __le16 fastListenInterval;
605 __le16 listenDecay;
606 __le16 fastListenDelay;
607 __le16 _reserved2[2];
1da177e4 608 /*---------- Ap/Ibss config items ----------*/
3eb9b41f
AV		 609 __le16 beaconPeriod;
610 __le16 atimDuration;
611 __le16 hopPeriod;
612 __le16 channelSet;
613 __le16 channel;
614 __le16 dtimPeriod;
615 __le16 bridgeDistance;
616 __le16 radioID;
1da177e4 617 /*---------- Radio configuration ----------*/
3eb9b41f
AV		 618 __le16 radioType;
619#define RADIOTYPE_DEFAULT cpu_to_le16(0)
620#define RADIOTYPE_802_11 cpu_to_le16(1)
621#define RADIOTYPE_LEGACY cpu_to_le16(2)
1da177e4
LT		 622 u8 rxDiversity;
623 u8 txDiversity;
3eb9b41f 624 __le16 txPower;
1da177e4 625#define TXPOWER_DEFAULT 0
3eb9b41f 626 __le16 rssiThreshold;
1da177e4 627#define RSSI_DEFAULT 0
3eb9b41f
AV		 628 __le16 modulation;
629#define PREAMBLE_AUTO cpu_to_le16(0)
630#define PREAMBLE_LONG cpu_to_le16(1)
631#define PREAMBLE_SHORT cpu_to_le16(2)
632 __le16 preamble;
633 __le16 homeProduct;
634 __le16 radioSpecific;
1da177e4
LT		 635 /*---------- Aironet Extensions ----------*/
636 u8 nodeName[16];
3eb9b41f
AV		 637 __le16 arlThreshold;
638 __le16 arlDecay;
639 __le16 arlDelay;
640 __le16 _reserved4[1];
1da177e4
LT		 641 /*---------- Aironet Extensions ----------*/
642 u8 magicAction;
643#define MAGIC_ACTION_STSCHG 1
644#define MAGIC_ACTION_RESUME 2
645#define MAGIC_IGNORE_MCAST (1<<8)
646#define MAGIC_IGNORE_BCAST (1<<9)
647#define MAGIC_SWITCH_TO_PSP (0<<10)
648#define MAGIC_STAY_IN_CAM (1<<10)
649 u8 magicControl;
3eb9b41f 650 __le16 autoWake;
1da177e4
LT		 651} ConfigRid;
652
653typedef struct {
329e2c00 654 __le16 len;
1da177e4 655 u8 mac[ETH_ALEN];
329e2c00
AV		 656 __le16 mode;
657 __le16 errorCode;
658 __le16 sigQuality;
659 __le16 SSIDlen;
1da177e4
LT		 660 char SSID[32];
661 char apName[16];
662 u8 bssid[4][ETH_ALEN];
329e2c00
AV		 663 __le16 beaconPeriod;
664 __le16 dimPeriod;
665 __le16 atimDuration;
666 __le16 hopPeriod;
667 __le16 channelSet;
668 __le16 channel;
669 __le16 hopsToBackbone;
670 __le16 apTotalLoad;
671 __le16 generatedLoad;
672 __le16 accumulatedArl;
673 __le16 signalQuality;
674 __le16 currentXmitRate;
675 __le16 apDevExtensions;
676 __le16 normalizedSignalStrength;
677 __le16 shortPreamble;
1da177e4
LT		 678 u8 apIP[4];
679 u8 noisePercent; /* Noise percent in last second */
680 u8 noisedBm; /* Noise dBm in last second */
681 u8 noiseAvePercent; /* Noise percent in last minute */
682 u8 noiseAvedBm; /* Noise dBm in last minute */
683 u8 noiseMaxPercent; /* Highest noise percent in last minute */
684 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
329e2c00 685 __le16 load;
1da177e4 686 u8 carrier[4];
329e2c00 687 __le16 assocStatus;
1da177e4
LT		 688#define STAT_NOPACKETS 0
689#define STAT_NOCARRIERSET 10
690#define STAT_GOTCARRIERSET 11
691#define STAT_WRONGSSID 20
692#define STAT_BADCHANNEL 25
693#define STAT_BADBITRATES 30
694#define STAT_BADPRIVACY 35
695#define STAT_APFOUND 40
696#define STAT_APREJECTED 50
697#define STAT_AUTHENTICATING 60
698#define STAT_DEAUTHENTICATED 61
699#define STAT_AUTHTIMEOUT 62
700#define STAT_ASSOCIATING 70
701#define STAT_DEASSOCIATED 71
702#define STAT_ASSOCTIMEOUT 72
703#define STAT_NOTAIROAP 73
704#define STAT_ASSOCIATED 80
705#define STAT_LEAPING 90
706#define STAT_LEAPFAILED 91
707#define STAT_LEAPTIMEDOUT 92
708#define STAT_LEAPCOMPLETE 93
709} StatusRid;
710
711typedef struct {
a23ace5f
AV		 712 __le16 len;
713 __le16 spacer;
714 __le32 vals[100];
1da177e4
LT		 715} StatsRid;
716
717
718typedef struct {
a749716e 719 __le16 len;
1da177e4
LT		 720 u8 ap[4][ETH_ALEN];
721} APListRid;
722
723typedef struct {
56d81bd3 724 __le16 len;
1da177e4
LT		 725 char oui[3];
726 char zero;
56d81bd3 727 __le16 prodNum;
1da177e4
LT		 728 char manName[32];
729 char prodName[16];
730 char prodVer[8];
731 char factoryAddr[ETH_ALEN];
732 char aironetAddr[ETH_ALEN];
56d81bd3
AV		 733 __le16 radioType;
734 __le16 country;
1da177e4
LT		 735 char callid[ETH_ALEN];
736 char supportedRates[8];
737 char rxDiversity;
738 char txDiversity;
56d81bd3
AV		 739 __le16 txPowerLevels[8];
740 __le16 hardVer;
741 __le16 hardCap;
742 __le16 tempRange;
743 __le16 softVer;
744 __le16 softSubVer;
745 __le16 interfaceVer;
746 __le16 softCap;
747 __le16 bootBlockVer;
748 __le16 requiredHard;
749 __le16 extSoftCap;
1da177e4
LT		 750} CapabilityRid;
751
3c304956
DW		 752
753/* Only present on firmware >= 5.30.17 */
754typedef struct {
17e70491 755 __le16 unknown[4];
3c304956
DW		 756 u8 fixed[12]; /* WLAN management frame */
757 u8 iep[624];
758} BSSListRidExtra;
759
1da177e4 760typedef struct {
17e70491
AV		 761 __le16 len;
762 __le16 index; /* First is 0 and 0xffff means end of list */
1da177e4
LT		 763#define RADIO_FH 1 /* Frequency hopping radio type */
764#define RADIO_DS 2 /* Direct sequence radio type */
765#define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
17e70491 766 __le16 radioType;
1da177e4
LT		 767 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
768 u8 zero;
769 u8 ssidLen;
770 u8 ssid[32];
17e70491
AV		 771 __le16 dBm;
772#define CAP_ESS cpu_to_le16(1<<0)
773#define CAP_IBSS cpu_to_le16(1<<1)
774#define CAP_PRIVACY cpu_to_le16(1<<4)
775#define CAP_SHORTHDR cpu_to_le16(1<<5)
776 __le16 cap;
777 __le16 beaconInterval;
1da177e4
LT		 778 u8 rates[8]; /* Same as rates for config rid */
779 struct { /* For frequency hopping only */
17e70491 780 __le16 dwell;
1da177e4
LT		 781 u8 hopSet;
782 u8 hopPattern;
783 u8 hopIndex;
784 u8 fill;
785 } fh;
17e70491
AV		 786 __le16 dsChannel;
787 __le16 atimWindow;
3c304956
DW		 788
789 /* Only present on firmware >= 5.30.17 */
790 BSSListRidExtra extra;
1da177e4
LT		 791} BSSListRid;
792
9e75af30
DW		 793typedef struct {
794 BSSListRid bss;
795 struct list_head list;
796} BSSListElement;
797
1da177e4
LT		 798typedef struct {
799 u8 rssipct;
800 u8 rssidBm;
801} tdsRssiEntry;
802
803typedef struct {
804 u16 len;
805 tdsRssiEntry x[256];
806} tdsRssiRid;
807
808typedef struct {
809 u16 len;
810 u16 state;
811 u16 multicastValid;
812 u8 multicast[16];
813 u16 unicastValid;
814 u8 unicast[16];
815} MICRid;
816
817typedef struct {
593c2b9c 818 __be16 typelen;
1da177e4
LT		 819
820 union {
821 u8 snap[8];
822 struct {
823 u8 dsap;
824 u8 ssap;
825 u8 control;
826 u8 orgcode[3];
827 u8 fieldtype[2];
828 } llc;
829 } u;
593c2b9c
AV		 830 __be32 mic;
831 __be32 seq;
1da177e4
LT		 832} MICBuffer;
833
834typedef struct {
835 u8 da[ETH_ALEN];
836 u8 sa[ETH_ALEN];
837} etherHead;
838
839#pragma pack()
840
841#define TXCTL_TXOK (1<<1) /* report if tx is ok */
842#define TXCTL_TXEX (1<<2) /* report if tx fails */
843#define TXCTL_802_3 (0<<3) /* 802.3 packet */
844#define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
845#define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
846#define TXCTL_LLC (1<<4) /* payload is llc */
847#define TXCTL_RELEASE (0<<5) /* release after completion */
848#define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
849
850#define BUSY_FID 0x10000
851
852#ifdef CISCO_EXT
853#define AIROMAGIC 0xa55a
854/* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
855#ifdef SIOCIWFIRSTPRIV
856#ifdef SIOCDEVPRIVATE
857#define AIROOLDIOCTL SIOCDEVPRIVATE
858#define AIROOLDIDIFC AIROOLDIOCTL + 1
859#endif /* SIOCDEVPRIVATE */
860#else /* SIOCIWFIRSTPRIV */
861#define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
862#endif /* SIOCIWFIRSTPRIV */
863/* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
864 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
865 * only and don't return the modified struct ifreq to the application which
866 * is usually a problem. - Jean II */
867#define AIROIOCTL SIOCIWFIRSTPRIV
868#define AIROIDIFC AIROIOCTL + 1
869
870/* Ioctl constants to be used in airo_ioctl.command */
871
872#define AIROGCAP 0 // Capability rid
873#define AIROGCFG 1 // USED A LOT
874#define AIROGSLIST 2 // System ID list
875#define AIROGVLIST 3 // List of specified AP's
876#define AIROGDRVNAM 4 // NOTUSED
877#define AIROGEHTENC 5 // NOTUSED
878#define AIROGWEPKTMP 6
879#define AIROGWEPKNV 7
880#define AIROGSTAT 8
881#define AIROGSTATSC32 9
882#define AIROGSTATSD32 10
883#define AIROGMICRID 11
884#define AIROGMICSTATS 12
885#define AIROGFLAGS 13
886#define AIROGID 14
887#define AIRORRID 15
888#define AIRORSWVERSION 17
889
890/* Leave gap of 40 commands after AIROGSTATSD32 for future */
891
892#define AIROPCAP AIROGSTATSD32 + 40
893#define AIROPVLIST AIROPCAP + 1
894#define AIROPSLIST AIROPVLIST + 1
895#define AIROPCFG AIROPSLIST + 1
896#define AIROPSIDS AIROPCFG + 1
897#define AIROPAPLIST AIROPSIDS + 1
898#define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
899#define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
900#define AIROPSTCLR AIROPMACOFF + 1
901#define AIROPWEPKEY AIROPSTCLR + 1
902#define AIROPWEPKEYNV AIROPWEPKEY + 1
903#define AIROPLEAPPWD AIROPWEPKEYNV + 1
904#define AIROPLEAPUSR AIROPLEAPPWD + 1
905
906/* Flash codes */
907
908#define AIROFLSHRST AIROPWEPKEYNV + 40
909#define AIROFLSHGCHR AIROFLSHRST + 1
910#define AIROFLSHSTFL AIROFLSHGCHR + 1
911#define AIROFLSHPCHR AIROFLSHSTFL + 1
912#define AIROFLPUTBUF AIROFLSHPCHR + 1
913#define AIRORESTART AIROFLPUTBUF + 1
914
915#define FLASHSIZE 32768
916#define AUXMEMSIZE (256 * 1024)
917
918typedef struct aironet_ioctl {
919 unsigned short command; // What to do
920 unsigned short len; // Len of data
921 unsigned short ridnum; // rid number
922 unsigned char __user *data; // d-data
923} aironet_ioctl;
924
62595eb9 925static char swversion[] = "2.1";
1da177e4
LT		 926#endif /* CISCO_EXT */
927
928#define NUM_MODULES 2
929#define MIC_MSGLEN_MAX 2400
930#define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
15db2763 931#define AIRO_DEF_MTU 2312
1da177e4
LT		 932
933typedef struct {
934 u32 size; // size
935 u8 enabled; // MIC enabled or not
936 u32 rxSuccess; // successful packets received
937 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
938 u32 rxNotMICed; // pkts dropped due to not being MIC'd
939 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
940 u32 rxWrongSequence; // pkts dropped due to sequence number violation
941 u32 reserve[32];
942} mic_statistics;
943
944typedef struct {
945 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
946 u64 accum; // accumulated mic, reduced to u32 in final()
947 int position; // current position (byte offset) in message
948 union {
949 u8 d8[4];
593c2b9c 950 __be32 d32;
1da177e4
LT		 951 } part; // saves partial message word across update() calls
952} emmh32_context;
953
954typedef struct {
955 emmh32_context seed; // Context - the seed
956 u32 rx; // Received sequence number
957 u32 tx; // Tx sequence number
958 u32 window; // Start of window
959 u8 valid; // Flag to say if context is valid or not
960 u8 key[16];
961} miccntx;
962
963typedef struct {
964 miccntx mCtx; // Multicast context
965 miccntx uCtx; // Unicast context
966} mic_module;
967
968typedef struct {
969 unsigned int rid: 16;
970 unsigned int len: 15;
971 unsigned int valid: 1;
972 dma_addr_t host_addr;
973} Rid;
974
975typedef struct {
976 unsigned int offset: 15;
977 unsigned int eoc: 1;
978 unsigned int len: 15;
979 unsigned int valid: 1;
980 dma_addr_t host_addr;
981} TxFid;
982
983typedef struct {
984 unsigned int ctl: 15;
985 unsigned int rdy: 1;
986 unsigned int len: 15;
987 unsigned int valid: 1;
988 dma_addr_t host_addr;
989} RxFid;
990
991/*
992 * Host receive descriptor
993 */
994typedef struct {
995 unsigned char __iomem *card_ram_off; /* offset into card memory of the
996 desc */
997 RxFid rx_desc; /* card receive descriptor */
998 char *virtual_host_addr; /* virtual address of host receive
999 buffer */
1000 int pending;
1001} HostRxDesc;
1002
1003/*
1004 * Host transmit descriptor
1005 */
1006typedef struct {
1007 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1008 desc */
1009 TxFid tx_desc; /* card transmit descriptor */
1010 char *virtual_host_addr; /* virtual address of host receive
1011 buffer */
1012 int pending;
1013} HostTxDesc;
1014
1015/*
1016 * Host RID descriptor
1017 */
1018typedef struct {
1019 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1020 descriptor */
1021 Rid rid_desc; /* card RID descriptor */
1022 char *virtual_host_addr; /* virtual address of host receive
1023 buffer */
1024} HostRidDesc;
1025
1026typedef struct {
1027 u16 sw0;
1028 u16 sw1;
1029 u16 status;
1030 u16 len;
1031#define HOST_SET (1 << 0)
1032#define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1033#define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1034#define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1035#define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1036#define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1037#define HOST_CLR_AID (1 << 7) /* clear AID failure */
1038#define HOST_RTS (1 << 9) /* Force RTS use */
1039#define HOST_SHORT (1 << 10) /* Do short preamble */
1040 u16 ctl;
1041 u16 aid;
1042 u16 retries;
1043 u16 fill;
1044} TxCtlHdr;
1045
1046typedef struct {
1047 u16 ctl;
1048 u16 duration;
1049 char addr1[6];
1050 char addr2[6];
1051 char addr3[6];
1052 u16 seq;
1053 char addr4[6];
1054} WifiHdr;
1055
1056
1057typedef struct {
1058 TxCtlHdr ctlhdr;
1059 u16 fill1;
1060 u16 fill2;
1061 WifiHdr wifihdr;
1062 u16 gaplen;
1063 u16 status;
1064} WifiCtlHdr;
1065
ff1d2767 1066static WifiCtlHdr wifictlhdr8023 = {
1da177e4
LT		 1067 .ctlhdr = {
1068 .ctl = HOST_DONT_RLSE,
1069 }
1070};
1071
1da177e4
LT		 1072// Frequency list (map channels to frequencies)
1073static const long frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1074 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
1075
1076// A few details needed for WEP (Wireless Equivalent Privacy)
1077#define MAX_KEY_SIZE 13 // 128 (?) bits
1078#define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1079typedef struct wep_key_t {
1080 u16 len;
1081 u8 key[16]; /* 40-bit and 104-bit keys */
1082} wep_key_t;
1083
1084/* Backward compatibility */
1085#ifndef IW_ENCODE_NOKEY
1086#define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1087#define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1088#endif /* IW_ENCODE_NOKEY */
1089
1090/* List of Wireless Handlers (new API) */
1091static const struct iw_handler_def airo_handler_def;
1da177e4
LT		 1092
1093static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1094
1095struct airo_info;
1096
1097static int get_dec_u16( char *buffer, int *start, int limit );
1098static void OUT4500( struct airo_info *, u16 register, u16 value );
1099static unsigned short IN4500( struct airo_info *, u16 register );
1100static u16 setup_card(struct airo_info*, u8 *mac, int lock);
175ec1a1 1101static int enable_MAC(struct airo_info *ai, int lock);
1da177e4
LT		 1102static void disable_MAC(struct airo_info *ai, int lock);
1103static void enable_interrupts(struct airo_info*);
1104static void disable_interrupts(struct airo_info*);
1105static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1106static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
b8c06bc1 1107static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1da177e4 1108 int whichbap);
b8c06bc1 1109static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1da177e4 1110 int whichbap);
b8c06bc1 1111static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1da177e4
LT		 1112 int whichbap);
1113static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1114static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1115static int PC4500_writerid(struct airo_info*, u16 rid, const void
1116 *pBuf, int len, int lock);
1117static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1118 int len, int dummy );
1119static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1120static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1121static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1122
1123static int mpi_send_packet (struct net_device *dev);
1124static void mpi_unmap_card(struct pci_dev *pci);
1125static void mpi_receive_802_3(struct airo_info *ai);
1126static void mpi_receive_802_11(struct airo_info *ai);
1127static int waitbusy (struct airo_info *ai);
1128
7d12e780 1129static irqreturn_t airo_interrupt( int irq, void* dev_id);
1da177e4
LT		 1130static int airo_thread(void *data);
1131static void timer_func( struct net_device *dev );
1132static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
ff1d2767 1133static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1da177e4 1134static void airo_read_wireless_stats (struct airo_info *local);
1da177e4
LT		 1135#ifdef CISCO_EXT
1136static int readrids(struct net_device *dev, aironet_ioctl *comp);
1137static int writerids(struct net_device *dev, aironet_ioctl *comp);
ff1d2767 1138static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1da177e4 1139#endif /* CISCO_EXT */
1da177e4
LT		 1140static void micinit(struct airo_info *ai);
1141static int micsetup(struct airo_info *ai);
1142static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1143static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1144
41480af2
DW		 1145static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1146static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1147
9e75af30
DW		 1148static void airo_networks_free(struct airo_info *ai);
1149
1da177e4 1150struct airo_info {
1da177e4 1151 struct net_device *dev;
af5b5c9a 1152 struct list_head dev_list;
1da177e4
LT		 1153 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1154 use the high bit to mark whether it is in use. */
1155#define MAX_FIDS 6
1156#define MPI_MAX_FIDS 1
1157 int fids[MAX_FIDS];
1158 ConfigRid config;
1159 char keyindex; // Used with auto wep
1160 char defindex; // Used with auto wep
1161 struct proc_dir_entry *proc_entry;
1162 spinlock_t aux_lock;
1da177e4
LT		 1163#define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1164#define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1165#define FLAG_RADIO_MASK 0x03
1166#define FLAG_ENABLED 2
1167#define FLAG_ADHOC 3 /* Needed by MIC */
1168#define FLAG_MIC_CAPABLE 4
1169#define FLAG_UPDATE_MULTI 5
1170#define FLAG_UPDATE_UNI 6
1171#define FLAG_802_11 7
3c304956 1172#define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1da177e4
LT		 1173#define FLAG_PENDING_XMIT 9
1174#define FLAG_PENDING_XMIT11 10
1175#define FLAG_MPI 11
1176#define FLAG_REGISTERED 12
1177#define FLAG_COMMIT 13
1178#define FLAG_RESET 14
1179#define FLAG_FLASHING 15
3c304956
DW		 1180#define FLAG_WPA_CAPABLE 16
1181 unsigned long flags;
1182#define JOB_DIE 0
1183#define JOB_XMIT 1
1184#define JOB_XMIT11 2
1185#define JOB_STATS 3
1186#define JOB_PROMISC 4
1187#define JOB_MIC 5
1188#define JOB_EVENT 6
1189#define JOB_AUTOWEP 7
1190#define JOB_WSTATS 8
1191#define JOB_SCAN_RESULTS 9
1192 unsigned long jobs;
b8c06bc1 1193 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1da177e4
LT		 1194 int whichbap);
1195 unsigned short *flash;
1196 tdsRssiEntry *rssi;
3b4c7d64
SB		 1197 struct task_struct *list_bss_task;
1198 struct task_struct *airo_thread_task;
1da177e4 1199 struct semaphore sem;
1da177e4 1200 wait_queue_head_t thr_wait;
1da177e4
LT		 1201 unsigned long expires;
1202 struct {
1203 struct sk_buff *skb;
1204 int fid;
1205 } xmit, xmit11;
1206 struct net_device *wifidev;
1da177e4 1207 struct iw_statistics wstats; // wireless stats
9e75af30 1208 unsigned long scan_timeout; /* Time scan should be read */
1da177e4
LT		 1209 struct iw_spy_data spy_data;
1210 struct iw_public_data wireless_data;
1da177e4 1211 /* MIC stuff */
f12cc209 1212 struct crypto_cipher *tfm;
1da177e4
LT		 1213 mic_module mod[2];
1214 mic_statistics micstats;
1da177e4
LT		 1215 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1216 HostTxDesc txfids[MPI_MAX_FIDS];
1217 HostRidDesc config_desc;
1218 unsigned long ridbus; // phys addr of config_desc
1219 struct sk_buff_head txq;// tx queue used by mpi350 code
1220 struct pci_dev *pci;
1221 unsigned char __iomem *pcimem;
1222 unsigned char __iomem *pciaux;
1223 unsigned char *shared;
1224 dma_addr_t shared_dma;
1cc68ae0 1225 pm_message_t power;
1da177e4
LT		 1226 SsidRid *SSID;
1227 APListRid *APList;
1228#define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1229 char proc_name[IFNAMSIZ];
9e75af30 1230
3c304956
DW		 1231 /* WPA-related stuff */
1232 unsigned int bssListFirst;
1233 unsigned int bssListNext;
1234 unsigned int bssListRidLen;
1235
9e75af30
DW		 1236 struct list_head network_list;
1237 struct list_head network_free_list;
1238 BSSListElement *networks;
1da177e4
LT		 1239};
1240
b8c06bc1
AV		 1241static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1242 int whichbap)
1243{
1da177e4
LT		 1244 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1245}
1246
1247static int setup_proc_entry( struct net_device *dev,
1248 struct airo_info *apriv );
1249static int takedown_proc_entry( struct net_device *dev,
1250 struct airo_info *apriv );
1251
ff1d2767
JM		 1252static int cmdreset(struct airo_info *ai);
1253static int setflashmode (struct airo_info *ai);
1254static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1255static int flashputbuf(struct airo_info *ai);
1256static int flashrestart(struct airo_info *ai,struct net_device *dev);
1257
934d8bf1 1258#define airo_print(type, name, fmt, args...) \
1138c37b 1259 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
934d8bf1
DW		 1260
1261#define airo_print_info(name, fmt, args...) \
1262 airo_print(KERN_INFO, name, fmt, ##args)
1263
1264#define airo_print_dbg(name, fmt, args...) \
1265 airo_print(KERN_DEBUG, name, fmt, ##args)
1266
1267#define airo_print_warn(name, fmt, args...) \
1268 airo_print(KERN_WARNING, name, fmt, ##args)
1269
1270#define airo_print_err(name, fmt, args...) \
1271 airo_print(KERN_ERR, name, fmt, ##args)
1272
1273
1da177e4
LT		 1274/***********************************************************************
1275 * MIC ROUTINES *
1276 ***********************************************************************
1277 */
1278
1279static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1280static void MoveWindow(miccntx *context, u32 micSeq);
f12cc209
HX		 1281static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1282 struct crypto_cipher *tfm);
ff1d2767
JM		 1283static void emmh32_init(emmh32_context *context);
1284static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1285static void emmh32_final(emmh32_context *context, u8 digest[4]);
1286static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1da177e4
LT		 1287
1288/* micinit - Initialize mic seed */
1289
1290static void micinit(struct airo_info *ai)
1291{
1292 MICRid mic_rid;
1293
3c304956 1294 clear_bit(JOB_MIC, &ai->jobs);
1da177e4
LT		 1295 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1296 up(&ai->sem);
1297
1298 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1299
1300 if (ai->micstats.enabled) {
1301 /* Key must be valid and different */
1302 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1303 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1304 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1305 /* Age current mic Context */
1306 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1307 /* Initialize new context */
1308 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1309 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1310 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1311 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1312 ai->mod[0].mCtx.valid = 1; //Key is now valid
1313
1314 /* Give key to mic seed */
1315 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1316 }
1317
1318 /* Key must be valid and different */
1319 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1320 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1321 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1322 /* Age current mic Context */
1323 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1324 /* Initialize new context */
1325 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1326
1327 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1328 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1329 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1330 ai->mod[0].uCtx.valid = 1; //Key is now valid
1331
1332 //Give key to mic seed
1333 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1334 }
1335 } else {
1336 /* So next time we have a valid key and mic is enabled, we will update
1337 * the sequence number if the key is the same as before.
1338 */
1339 ai->mod[0].uCtx.valid = 0;
1340 ai->mod[0].mCtx.valid = 0;
1341 }
1342}
1343
1344/* micsetup - Get ready for business */
1345
1346static int micsetup(struct airo_info *ai) {
1347 int i;
1348
1349 if (ai->tfm == NULL)
f12cc209 1350 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1da177e4 1351
f12cc209 1352 if (IS_ERR(ai->tfm)) {
934d8bf1 1353 airo_print_err(ai->dev->name, "failed to load transform for AES");
f12cc209 1354 ai->tfm = NULL;
1da177e4
LT		 1355 return ERROR;
1356 }
1357
1358 for (i=0; i < NUM_MODULES; i++) {
1359 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1360 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1361 }
1362 return SUCCESS;
1363}
1364
ff1d2767 1365static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1da177e4
LT		 1366
1367/*===========================================================================
1368 * Description: Mic a packet
1369 *
1370 * Inputs: etherHead * pointer to an 802.3 frame
1371 *
1372 * Returns: BOOLEAN if successful, otherwise false.
1373 * PacketTxLen will be updated with the mic'd packets size.
1374 *
1375 * Caveats: It is assumed that the frame buffer will already
1376 * be big enough to hold the largets mic message possible.
1377 * (No memory allocation is done here).
1378 *
1379 * Author: sbraneky (10/15/01)
1380 * Merciless hacks by rwilcher (1/14/02)
1381 */
1382
1383static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1384{
1385 miccntx *context;
1386
1387 // Determine correct context
1388 // If not adhoc, always use unicast key
1389
1390 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1391 context = &ai->mod[0].mCtx;
1392 else
1393 context = &ai->mod[0].uCtx;
1394
1395 if (!context->valid)
1396 return ERROR;
1397
1398 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1399
1400 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1401
1402 // Add Tx sequence
1403 mic->seq = htonl(context->tx);
1404 context->tx += 2;
1405
1406 emmh32_init(&context->seed); // Mic the packet
1407 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1408 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1409 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1410 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1411 emmh32_final(&context->seed, (u8*)&mic->mic);
1412
1413 /* New Type/length ?????????? */
1414 mic->typelen = 0; //Let NIC know it could be an oversized packet
1415 return SUCCESS;
1416}
1417
1418typedef enum {
1419 NONE,
1420 NOMIC,
1421 NOMICPLUMMED,
1422 SEQUENCE,
1423 INCORRECTMIC,
1424} mic_error;
1425
1426/*===========================================================================
1427 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1428 * (removes the MIC stuff) if packet is a valid packet.
1429 *
1430 * Inputs: etherHead pointer to the 802.3 packet
1431 *
1432 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1433 *
1434 * Author: sbraneky (10/15/01)
1435 * Merciless hacks by rwilcher (1/14/02)
1436 *---------------------------------------------------------------------------
1437 */
1438
1439static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1440{
1441 int i;
1442 u32 micSEQ;
1443 miccntx *context;
1444 u8 digest[4];
1445 mic_error micError = NONE;
1446
1447 // Check if the packet is a Mic'd packet
1448
1449 if (!ai->micstats.enabled) {
1450 //No Mic set or Mic OFF but we received a MIC'd packet.
1451 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1452 ai->micstats.rxMICPlummed++;
1453 return ERROR;
1454 }
1455 return SUCCESS;
1456 }
1457
1458 if (ntohs(mic->typelen) == 0x888E)
1459 return SUCCESS;
1460
1461 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1462 // Mic enabled but packet isn't Mic'd
1463 ai->micstats.rxMICPlummed++;
1464 return ERROR;
1465 }
1466
1467 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1468
1469 //At this point we a have a mic'd packet and mic is enabled
1470 //Now do the mic error checking.
1471
1472 //Receive seq must be odd
1473 if ( (micSEQ & 1) == 0 ) {
1474 ai->micstats.rxWrongSequence++;
1475 return ERROR;
1476 }
1477
1478 for (i = 0; i < NUM_MODULES; i++) {
1479 int mcast = eth->da[0] & 1;
1480 //Determine proper context
1481 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1482
1483 //Make sure context is valid
1484 if (!context->valid) {
1485 if (i == 0)
1486 micError = NOMICPLUMMED;
1487 continue;
1488 }
1489 //DeMic it
1490
1491 if (!mic->typelen)
1492 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1493
1494 emmh32_init(&context->seed);
1495 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1496 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1497 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1498 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1499 //Calculate MIC
1500 emmh32_final(&context->seed, digest);
1501
1502 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1503 //Invalid Mic
1504 if (i == 0)
1505 micError = INCORRECTMIC;
1506 continue;
1507 }
1508
1509 //Check Sequence number if mics pass
1510 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1511 ai->micstats.rxSuccess++;
1512 return SUCCESS;
1513 }
1514 if (i == 0)
1515 micError = SEQUENCE;
1516 }
1517
1518 // Update statistics
1519 switch (micError) {
1520 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1521 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1522 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1523 case NONE: break;
1524 case NOMIC: break;
1525 }
1526 return ERROR;
1527}
1528
1529/*===========================================================================
1530 * Description: Checks the Rx Seq number to make sure it is valid
1531 * and hasn't already been received
1532 *
1533 * Inputs: miccntx - mic context to check seq against
1534 * micSeq - the Mic seq number
1535 *
1536 * Returns: TRUE if valid otherwise FALSE.
1537 *
1538 * Author: sbraneky (10/15/01)
1539 * Merciless hacks by rwilcher (1/14/02)
1540 *---------------------------------------------------------------------------
1541 */
1542
1543static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1544{
1545 u32 seq,index;
1546
1547 //Allow for the ap being rebooted - if it is then use the next
1548 //sequence number of the current sequence number - might go backwards
1549
1550 if (mcast) {
1551 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1552 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1553 context->window = (micSeq > 33) ? micSeq : 33;
1554 context->rx = 0; // Reset rx
1555 }
1556 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1557 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1558 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1559 context->rx = 0; // Reset rx
1560 }
1561
1562 //Make sequence number relative to START of window
1563 seq = micSeq - (context->window - 33);
1564
1565 //Too old of a SEQ number to check.
1566 if ((s32)seq < 0)
1567 return ERROR;
1568
1569 if ( seq > 64 ) {
1570 //Window is infinite forward
1571 MoveWindow(context,micSeq);
1572 return SUCCESS;
1573 }
1574
1575 // We are in the window. Now check the context rx bit to see if it was already sent
1576 seq >>= 1; //divide by 2 because we only have odd numbers
1577 index = 1 << seq; //Get an index number
1578
1579 if (!(context->rx & index)) {
1580 //micSEQ falls inside the window.
1581 //Add seqence number to the list of received numbers.
1582 context->rx |= index;
1583
1584 MoveWindow(context,micSeq);
1585
1586 return SUCCESS;
1587 }
1588 return ERROR;
1589}
1590
1591static void MoveWindow(miccntx *context, u32 micSeq)
1592{
1593 u32 shift;
1594
1595 //Move window if seq greater than the middle of the window
1596 if (micSeq > context->window) {
1597 shift = (micSeq - context->window) >> 1;
1598
1599 //Shift out old
1600 if (shift < 32)
1601 context->rx >>= shift;
1602 else
1603 context->rx = 0;
1604
1605 context->window = micSeq; //Move window
1606 }
1607}
1608
1609/*==============================================*/
1610/*========== EMMH ROUTINES ====================*/
1611/*==============================================*/
1612
1613/* mic accumulate */
1614#define MIC_ACCUM(val) \
1615 context->accum += (u64)(val) * context->coeff[coeff_position++];
1616
1617static unsigned char aes_counter[16];
1618
1619/* expand the key to fill the MMH coefficient array */
f12cc209
HX		 1620static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1621 struct crypto_cipher *tfm)
1da177e4
LT		 1622{
1623 /* take the keying material, expand if necessary, truncate at 16-bytes */
1624 /* run through AES counter mode to generate context->coeff[] */
1625
1626 int i,j;
1627 u32 counter;
1628 u8 *cipher, plain[16];
1da177e4
LT		 1629
1630 crypto_cipher_setkey(tfm, pkey, 16);
1631 counter = 0;
e7c04fd3 1632 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1da177e4
LT		 1633 aes_counter[15] = (u8)(counter >> 0);
1634 aes_counter[14] = (u8)(counter >> 8);
1635 aes_counter[13] = (u8)(counter >> 16);
1636 aes_counter[12] = (u8)(counter >> 24);
1637 counter++;
1638 memcpy (plain, aes_counter, 16);
f12cc209
HX		 1639 crypto_cipher_encrypt_one(tfm, plain, plain);
1640 cipher = plain;
e7c04fd3 1641 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
593c2b9c 1642 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1da177e4
LT		 1643 j += 4;
1644 }
1645 }
1646}
1647
1648/* prepare for calculation of a new mic */
ff1d2767 1649static void emmh32_init(emmh32_context *context)
1da177e4
LT		 1650{
1651 /* prepare for new mic calculation */
1652 context->accum = 0;
1653 context->position = 0;
1654}
1655
1656/* add some bytes to the mic calculation */
ff1d2767 1657static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1da177e4
LT		 1658{
1659 int coeff_position, byte_position;
1660
1661 if (len == 0) return;
1662
1663 coeff_position = context->position >> 2;
1664
1665 /* deal with partial 32-bit word left over from last update */
1666 byte_position = context->position & 3;
1667 if (byte_position) {
1668 /* have a partial word in part to deal with */
1669 do {
1670 if (len == 0) return;
1671 context->part.d8[byte_position++] = *pOctets++;
1672 context->position++;
1673 len--;
1674 } while (byte_position < 4);
593c2b9c 1675 MIC_ACCUM(ntohl(context->part.d32));
1da177e4
LT		 1676 }
1677
1678 /* deal with full 32-bit words */
1679 while (len >= 4) {
593c2b9c 1680 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1da177e4
LT		 1681 context->position += 4;
1682 pOctets += 4;
1683 len -= 4;
1684 }
1685
1686 /* deal with partial 32-bit word that will be left over from this update */
1687 byte_position = 0;
1688 while (len > 0) {
1689 context->part.d8[byte_position++] = *pOctets++;
1690 context->position++;
1691 len--;
1692 }
1693}
1694
1695/* mask used to zero empty bytes for final partial word */
1696static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1697
1698/* calculate the mic */
ff1d2767 1699static void emmh32_final(emmh32_context *context, u8 digest[4])
1da177e4
LT		 1700{
1701 int coeff_position, byte_position;
1702 u32 val;
1703
1704 u64 sum, utmp;
1705 s64 stmp;
1706
1707 coeff_position = context->position >> 2;
1708
1709 /* deal with partial 32-bit word left over from last update */
1710 byte_position = context->position & 3;
1711 if (byte_position) {
1712 /* have a partial word in part to deal with */
593c2b9c 1713 val = ntohl(context->part.d32);
1da177e4
LT		 1714 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1715 }
1716
1717 /* reduce the accumulated u64 to a 32-bit MIC */
1718 sum = context->accum;
1719 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1720 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1721 sum = utmp & 0xffffffffLL;
1722 if (utmp > 0x10000000fLL)
1723 sum -= 15;
1724
1725 val = (u32)sum;
1726 digest[0] = (val>>24) & 0xFF;
1727 digest[1] = (val>>16) & 0xFF;
1728 digest[2] = (val>>8) & 0xFF;
1729 digest[3] = val & 0xFF;
1730}
1da177e4
LT		 1731
1732static int readBSSListRid(struct airo_info *ai, int first,
17e70491
AV		 1733 BSSListRid *list)
1734{
3c304956
DW		 1735 Cmd cmd;
1736 Resp rsp;
1da177e4
LT		 1737
1738 if (first == 1) {
3c304956
DW		 1739 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1740 memset(&cmd, 0, sizeof(cmd));
1741 cmd.cmd=CMD_LISTBSS;
1742 if (down_interruptible(&ai->sem))
1743 return -ERESTARTSYS;
3b4c7d64 1744 ai->list_bss_task = current;
3c304956
DW		 1745 issuecommand(ai, &cmd, &rsp);
1746 up(&ai->sem);
1747 /* Let the command take effect */
3b4c7d64
SB		 1748 schedule_timeout_uninterruptible(3 * HZ);
1749 ai->list_bss_task = NULL;
3c304956 1750 }
17e70491 1751 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
3c304956 1752 list, ai->bssListRidLen, 1);
1da177e4
LT		 1753}
1754
4293ea33
AV		 1755static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1756{
1757 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1da177e4 1758 wkr, sizeof(*wkr), lock);
1da177e4 1759}
1da177e4 1760
4293ea33
AV		 1761static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1762{
1763 int rc;
1764 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1765 if (rc!=SUCCESS)
1766 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1da177e4 1767 if (perm) {
4293ea33
AV		 1768 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1769 if (rc!=SUCCESS)
934d8bf1 1770 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1da177e4
LT		 1771 }
1772 return rc;
1773}
1774
0dd2212f
AV		 1775static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1776{
1777 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1da177e4 1778}
1da177e4 1779
0dd2212f
AV		 1780static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1781{
1782 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1da177e4 1783}
0dd2212f 1784
3eb9b41f
AV		 1785static int readConfigRid(struct airo_info *ai, int lock)
1786{
1da177e4 1787 int rc;
1da177e4
LT		 1788 ConfigRid cfg;
1789
1790 if (ai->config.len)
1791 return SUCCESS;
1792
1793 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1794 if (rc != SUCCESS)
1795 return rc;
1796
1da177e4
LT		 1797 ai->config = cfg;
1798 return SUCCESS;
1799}
3eb9b41f
AV		 1800
1801static inline void checkThrottle(struct airo_info *ai)
1802{
1da177e4
LT		 1803 int i;
1804/* Old hardware had a limit on encryption speed */
1805 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1806 for(i=0; i<8; i++) {
1807 if (ai->config.rates[i] > maxencrypt) {
1808 ai->config.rates[i] = 0;
1809 }
1810 }
1811 }
1812}
3eb9b41f
AV		 1813
1814static int writeConfigRid(struct airo_info *ai, int lock)
1815{
1da177e4
LT		 1816 ConfigRid cfgr;
1817
1818 if (!test_bit (FLAG_COMMIT, &ai->flags))
1819 return SUCCESS;
1820
1821 clear_bit (FLAG_COMMIT, &ai->flags);
1822 clear_bit (FLAG_RESET, &ai->flags);
1823 checkThrottle(ai);
1824 cfgr = ai->config;
1825
3eb9b41f 1826 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1da177e4
LT		 1827 set_bit(FLAG_ADHOC, &ai->flags);
1828 else
1829 clear_bit(FLAG_ADHOC, &ai->flags);
1830
1da177e4
LT		 1831 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1832}
1da177e4 1833
329e2c00
AV		 1834static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1835{
1836 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1da177e4 1837}
a749716e
AV		 1838
1839static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1840{
1841 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1da177e4 1842}
a749716e
AV		 1843
1844static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1845{
1846 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1da177e4 1847}
1da177e4 1848
56d81bd3
AV		 1849static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1850{
1851 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1da177e4 1852}
1da177e4 1853
a23ace5f
AV		 1854static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1855{
1856 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1da177e4
LT		 1857}
1858
1c2b7db8
MS		 1859static void try_auto_wep(struct airo_info *ai)
1860{
1861 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1862 ai->expires = RUN_AT(3*HZ);
1863 wake_up_interruptible(&ai->thr_wait);
1864 }
1865}
1866
1da177e4 1867static int airo_open(struct net_device *dev) {
1c2b7db8 1868 struct airo_info *ai = dev->priv;
1c2b7db8 1869 int rc = 0;
1da177e4 1870
1c2b7db8 1871 if (test_bit(FLAG_FLASHING, &ai->flags))
1da177e4
LT		 1872 return -EIO;
1873
1874 /* Make sure the card is configured.
1875 * Wireless Extensions may postpone config changes until the card
1876 * is open (to pipeline changes and speed-up card setup). If
1877 * those changes are not yet commited, do it now - Jean II */
1c2b7db8
MS		 1878 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1879 disable_MAC(ai, 1);
1880 writeConfigRid(ai, 1);
1da177e4
LT		 1881 }
1882
1c2b7db8
MS		 1883 if (ai->wifidev != dev) {
1884 clear_bit(JOB_DIE, &ai->jobs);
1885 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1886 if (IS_ERR(ai->airo_thread_task))
1887 return (int)PTR_ERR(ai->airo_thread_task);
1888
1889 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1890 dev->name, dev);
1891 if (rc) {
1892 airo_print_err(dev->name,
1893 "register interrupt %d failed, rc %d",
1894 dev->irq, rc);
1895 set_bit(JOB_DIE, &ai->jobs);
1896 kthread_stop(ai->airo_thread_task);
1897 return rc;
1898 }
1899
1da177e4 1900 /* Power on the MAC controller (which may have been disabled) */
1c2b7db8
MS		 1901 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1902 enable_interrupts(ai);
1903
1904 try_auto_wep(ai);
1da177e4 1905 }
175ec1a1 1906 enable_MAC(ai, 1);
1da177e4
LT		 1907
1908 netif_start_queue(dev);
1909 return 0;
1910}
1911
1912static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1913 int npacks, pending;
1914 unsigned long flags;
1915 struct airo_info *ai = dev->priv;
1916
1917 if (!skb) {
934d8bf1 1918 airo_print_err(dev->name, "%s: skb == NULL!",__FUNCTION__);
1da177e4
LT		 1919 return 0;
1920 }
1921 npacks = skb_queue_len (&ai->txq);
1922
1923 if (npacks >= MAXTXQ - 1) {
1924 netif_stop_queue (dev);
1925 if (npacks > MAXTXQ) {
5d9276da 1926 dev->stats.tx_fifo_errors++;
1da177e4
LT		 1927 return 1;
1928 }
1929 skb_queue_tail (&ai->txq, skb);
1930 return 0;
1931 }
1932
1933 spin_lock_irqsave(&ai->aux_lock, flags);
1934 skb_queue_tail (&ai->txq, skb);
1935 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1936 spin_unlock_irqrestore(&ai->aux_lock,flags);
1937 netif_wake_queue (dev);
1938
1939 if (pending == 0) {
1940 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1941 mpi_send_packet (dev);
1942 }
1943 return 0;
1944}
1945
1946/*
1947 * @mpi_send_packet
1948 *
1949 * Attempt to transmit a packet. Can be called from interrupt
1950 * or transmit . return number of packets we tried to send
1951 */
1952
1953static int mpi_send_packet (struct net_device *dev)
1954{
1955 struct sk_buff *skb;
1956 unsigned char *buffer;
593c2b9c
AV		 1957 s16 len;
1958 __le16 *payloadLen;
1da177e4
LT		 1959 struct airo_info *ai = dev->priv;
1960 u8 *sendbuf;
1961
1962 /* get a packet to send */
1963
79ea13ce 1964 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
934d8bf1
DW		 1965 airo_print_err(dev->name,
1966 "%s: Dequeue'd zero in send_packet()",
1da177e4
LT		 1967 __FUNCTION__);
1968 return 0;
1969 }
1970
1971 /* check min length*/
1972 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1973 buffer = skb->data;
1974
1975 ai->txfids[0].tx_desc.offset = 0;
1976 ai->txfids[0].tx_desc.valid = 1;
1977 ai->txfids[0].tx_desc.eoc = 1;
1978 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1979
1980/*
1981 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1982 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1983 * is immediatly after it. ------------------------------------------------
1984 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1985 * ------------------------------------------------
1986 */
1987
1988 memcpy((char *)ai->txfids[0].virtual_host_addr,
1989 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
1990
593c2b9c 1991 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
1da177e4
LT		 1992 sizeof(wifictlhdr8023));
1993 sendbuf = ai->txfids[0].virtual_host_addr +
1994 sizeof(wifictlhdr8023) + 2 ;
1995
1996 /*
1997 * Firmware automaticly puts 802 header on so
1998 * we don't need to account for it in the length
1999 */
1da177e4 2000 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
593c2b9c 2001 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
1da177e4
LT		 2002 MICBuffer pMic;
2003
2004 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2005 return ERROR;
2006
2007 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2008 ai->txfids[0].tx_desc.len += sizeof(pMic);
2009 /* copy data into airo dma buffer */
2010 memcpy (sendbuf, buffer, sizeof(etherHead));
2011 buffer += sizeof(etherHead);
2012 sendbuf += sizeof(etherHead);
2013 memcpy (sendbuf, &pMic, sizeof(pMic));
2014 sendbuf += sizeof(pMic);
2015 memcpy (sendbuf, buffer, len - sizeof(etherHead));
a39d3e79 2016 } else {
1da177e4
LT		 2017 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2018
2019 dev->trans_start = jiffies;
2020
2021 /* copy data into airo dma buffer */
2022 memcpy(sendbuf, buffer, len);
2023 }
2024
2025 memcpy_toio(ai->txfids[0].card_ram_off,
2026 &ai->txfids[0].tx_desc, sizeof(TxFid));
2027
2028 OUT4500(ai, EVACK, 8);
2029
2030 dev_kfree_skb_any(skb);
2031 return 1;
2032}
2033
29b09fcc 2034static void get_tx_error(struct airo_info *ai, s32 fid)
1da177e4 2035{
593c2b9c 2036 __le16 status;
1da177e4
LT		 2037
2038 if (fid < 0)
2039 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2040 else {
2041 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2042 return;
2043 bap_read(ai, &status, 2, BAP0);
2044 }
2045 if (le16_to_cpu(status) & 2) /* Too many retries */
5d9276da 2046 ai->dev->stats.tx_aborted_errors++;
1da177e4 2047 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
5d9276da 2048 ai->dev->stats.tx_heartbeat_errors++;
1da177e4
LT		 2049 if (le16_to_cpu(status) & 8) /* Aid fail */
2050 { }
2051 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
5d9276da 2052 ai->dev->stats.tx_carrier_errors++;
1da177e4
LT		 2053 if (le16_to_cpu(status) & 0x20) /* Association lost */
2054 { }
2055 /* We produce a TXDROP event only for retry or lifetime
2056 * exceeded, because that's the only status that really mean
2057 * that this particular node went away.
2058 * Other errors means that *we* screwed up. - Jean II */
2059 if ((le16_to_cpu(status) & 2) ||
2060 (le16_to_cpu(status) & 4)) {
2061 union iwreq_data wrqu;
2062 char junk[0x18];
2063
2064 /* Faster to skip over useless data than to do
2065 * another bap_setup(). We are at offset 0x6 and
2066 * need to go to 0x18 and read 6 bytes - Jean II */
b8c06bc1 2067 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
1da177e4
LT		 2068
2069 /* Copy 802.11 dest address.
2070 * We use the 802.11 header because the frame may
2071 * not be 802.3 or may be mangled...
2072 * In Ad-Hoc mode, it will be the node address.
2073 * In managed mode, it will be most likely the AP addr
2074 * User space will figure out how to convert it to
2075 * whatever it needs (IP address or else).
2076 * - Jean II */
2077 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2078 wrqu.addr.sa_family = ARPHRD_ETHER;
2079
2080 /* Send event to user space */
2081 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2082 }
2083}
2084
2085static void airo_end_xmit(struct net_device *dev) {
2086 u16 status;
2087 int i;
2088 struct airo_info *priv = dev->priv;
2089 struct sk_buff *skb = priv->xmit.skb;
2090 int fid = priv->xmit.fid;
2091 u32 *fids = priv->fids;
2092
3c304956 2093 clear_bit(JOB_XMIT, &priv->jobs);
1da177e4
LT		 2094 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2095 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2096 up(&priv->sem);
2097
2098 i = 0;
2099 if ( status == SUCCESS ) {
2100 dev->trans_start = jiffies;
2101 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2102 } else {
2103 priv->fids[fid] &= 0xffff;
5d9276da 2104 dev->stats.tx_window_errors++;
1da177e4
LT		 2105 }
2106 if (i < MAX_FIDS / 2)
2107 netif_wake_queue(dev);
2108 dev_kfree_skb(skb);
2109}
2110
2111static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2112 s16 len;
2113 int i, j;
2114 struct airo_info *priv = dev->priv;
2115 u32 *fids = priv->fids;
2116
2117 if ( skb == NULL ) {
934d8bf1 2118 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
1da177e4
LT		 2119 return 0;
2120 }
2121
2122 /* Find a vacant FID */
2123 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2124 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2125
2126 if ( j >= MAX_FIDS / 2 ) {
2127 netif_stop_queue(dev);
2128
2129 if (i == MAX_FIDS / 2) {
5d9276da 2130 dev->stats.tx_fifo_errors++;
1da177e4
LT		 2131 return 1;
2132 }
2133 }
2134 /* check min length*/
2135 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2136 /* Mark fid as used & save length for later */
2137 fids[i] |= (len << 16);
2138 priv->xmit.skb = skb;
2139 priv->xmit.fid = i;
2140 if (down_trylock(&priv->sem) != 0) {
2141 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2142 netif_stop_queue(dev);
3c304956 2143 set_bit(JOB_XMIT, &priv->jobs);
1da177e4
LT		 2144 wake_up_interruptible(&priv->thr_wait);
2145 } else
2146 airo_end_xmit(dev);
2147 return 0;
2148}
2149
2150static void airo_end_xmit11(struct net_device *dev) {
2151 u16 status;
2152 int i;
2153 struct airo_info *priv = dev->priv;
2154 struct sk_buff *skb = priv->xmit11.skb;
2155 int fid = priv->xmit11.fid;
2156 u32 *fids = priv->fids;
2157
3c304956 2158 clear_bit(JOB_XMIT11, &priv->jobs);
1da177e4
LT		 2159 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2160 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2161 up(&priv->sem);
2162
2163 i = MAX_FIDS / 2;
2164 if ( status == SUCCESS ) {
2165 dev->trans_start = jiffies;
2166 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2167 } else {
2168 priv->fids[fid] &= 0xffff;
5d9276da 2169 dev->stats.tx_window_errors++;
1da177e4
LT		 2170 }
2171 if (i < MAX_FIDS)
2172 netif_wake_queue(dev);
2173 dev_kfree_skb(skb);
2174}
2175
2176static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2177 s16 len;
2178 int i, j;
2179 struct airo_info *priv = dev->priv;
2180 u32 *fids = priv->fids;
2181
2182 if (test_bit(FLAG_MPI, &priv->flags)) {
2183 /* Not implemented yet for MPI350 */
2184 netif_stop_queue(dev);
2185 return -ENETDOWN;
2186 }
2187
2188 if ( skb == NULL ) {
934d8bf1 2189 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
1da177e4
LT		 2190 return 0;
2191 }
2192
2193 /* Find a vacant FID */
2194 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2195 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2196
2197 if ( j >= MAX_FIDS ) {
2198 netif_stop_queue(dev);
2199
2200 if (i == MAX_FIDS) {
5d9276da 2201 dev->stats.tx_fifo_errors++;
1da177e4
LT		 2202 return 1;
2203 }
2204 }
2205 /* check min length*/
2206 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2207 /* Mark fid as used & save length for later */
2208 fids[i] |= (len << 16);
2209 priv->xmit11.skb = skb;
2210 priv->xmit11.fid = i;
2211 if (down_trylock(&priv->sem) != 0) {
2212 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2213 netif_stop_queue(dev);
3c304956 2214 set_bit(JOB_XMIT11, &priv->jobs);
1da177e4
LT		 2215 wake_up_interruptible(&priv->thr_wait);
2216 } else
2217 airo_end_xmit11(dev);
2218 return 0;
2219}
2220
5d9276da 2221static void airo_read_stats(struct net_device *dev)
a23ace5f 2222{
5d9276da 2223 struct airo_info *ai = dev->priv;
1da177e4 2224 StatsRid stats_rid;
a23ace5f 2225 __le32 *vals = stats_rid.vals;
1da177e4 2226
3c304956 2227 clear_bit(JOB_STATS, &ai->jobs);
ca078bae 2228 if (ai->power.event) {
1da177e4
LT		 2229 up(&ai->sem);
2230 return;
2231 }
2232 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2233 up(&ai->sem);
2234
5d9276da 2235 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
a23ace5f 2236 le32_to_cpu(vals[45]);
5d9276da 2237 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
a23ace5f 2238 le32_to_cpu(vals[41]);
5d9276da
PZ		 2239 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2240 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2241 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
a23ace5f 2242 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
5d9276da
PZ		 2243 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2244 dev->stats.tx_fifo_errors;
2245 dev->stats.multicast = le32_to_cpu(vals[43]);
2246 dev->stats.collisions = le32_to_cpu(vals[89]);
1da177e4
LT		 2247
2248 /* detailed rx_errors: */
5d9276da
PZ		 2249 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2250 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2251 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2252 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
1da177e4
LT		 2253}
2254
ff1d2767 2255static struct net_device_stats *airo_get_stats(struct net_device *dev)
1da177e4
LT		 2256{
2257 struct airo_info *local = dev->priv;
2258
3c304956 2259 if (!test_bit(JOB_STATS, &local->jobs)) {
1da177e4
LT		 2260 /* Get stats out of the card if available */
2261 if (down_trylock(&local->sem) != 0) {
3c304956 2262 set_bit(JOB_STATS, &local->jobs);
1da177e4
LT		 2263 wake_up_interruptible(&local->thr_wait);
2264 } else
5d9276da 2265 airo_read_stats(dev);
1da177e4
LT		 2266 }
2267
5d9276da 2268 return &dev->stats;
1da177e4
LT		 2269}
2270
2271static void airo_set_promisc(struct airo_info *ai) {
2272 Cmd cmd;
2273 Resp rsp;
2274
2275 memset(&cmd, 0, sizeof(cmd));
2276 cmd.cmd=CMD_SETMODE;
3c304956 2277 clear_bit(JOB_PROMISC, &ai->jobs);
1da177e4
LT		 2278 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2279 issuecommand(ai, &cmd, &rsp);
2280 up(&ai->sem);
2281}
2282
2283static void airo_set_multicast_list(struct net_device *dev) {
2284 struct airo_info *ai = dev->priv;
2285
2286 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2287 change_bit(FLAG_PROMISC, &ai->flags);
2288 if (down_trylock(&ai->sem) != 0) {
3c304956 2289 set_bit(JOB_PROMISC, &ai->jobs);
1da177e4
LT		 2290 wake_up_interruptible(&ai->thr_wait);
2291 } else
2292 airo_set_promisc(ai);
2293 }
2294
2295 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2296 /* Turn on multicast. (Should be already setup...) */
2297 }
2298}
2299
2300static int airo_set_mac_address(struct net_device *dev, void *p)
2301{
2302 struct airo_info *ai = dev->priv;
2303 struct sockaddr *addr = p;
1da177e4
LT		 2304
2305 readConfigRid(ai, 1);
2306 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2307 set_bit (FLAG_COMMIT, &ai->flags);
2308 disable_MAC(ai, 1);
2309 writeConfigRid (ai, 1);
175ec1a1 2310 enable_MAC(ai, 1);
1da177e4
LT		 2311 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2312 if (ai->wifidev)
2313 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2314 return 0;
2315}
2316
2317static int airo_change_mtu(struct net_device *dev, int new_mtu)
2318{
2319 if ((new_mtu < 68) || (new_mtu > 2400))
2320 return -EINVAL;
2321 dev->mtu = new_mtu;
2322 return 0;
2323}
2324
af5b5c9a
MS		 2325static LIST_HEAD(airo_devices);
2326
2327static void add_airo_dev(struct airo_info *ai)
2328{
2329 /* Upper layers already keep track of PCI devices,
2330 * so we only need to remember our non-PCI cards. */
2331 if (!ai->pci)
2332 list_add_tail(&ai->dev_list, &airo_devices);
2333}
2334
2335static void del_airo_dev(struct airo_info *ai)
2336{
2337 if (!ai->pci)
2338 list_del(&ai->dev_list);
2339}
1da177e4
LT		 2340
2341static int airo_close(struct net_device *dev) {
2342 struct airo_info *ai = dev->priv;
2343
2344 netif_stop_queue(dev);
2345
2346 if (ai->wifidev != dev) {
2347#ifdef POWER_ON_DOWN
2348 /* Shut power to the card. The idea is that the user can save
2349 * power when he doesn't need the card with "ifconfig down".
2350 * That's the method that is most friendly towards the network
2351 * stack (i.e. the network stack won't try to broadcast
2352 * anything on the interface and routes are gone. Jean II */
2353 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2354 disable_MAC(ai, 1);
2355#endif
2356 disable_interrupts( ai );
1c2b7db8
MS		 2357
2358 free_irq(dev->irq, dev);
2359
2360 set_bit(JOB_DIE, &ai->jobs);
2361 kthread_stop(ai->airo_thread_task);
1da177e4
LT		 2362 }
2363 return 0;
2364}
2365
1da177e4
LT		 2366void stop_airo_card( struct net_device *dev, int freeres )
2367{
2368 struct airo_info *ai = dev->priv;
2369
2370 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2371 disable_MAC(ai, 1);
2372 disable_interrupts(ai);
1da177e4
LT		 2373 takedown_proc_entry( dev, ai );
2374 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2375 unregister_netdev( dev );
2376 if (ai->wifidev) {
2377 unregister_netdev(ai->wifidev);
2378 free_netdev(ai->wifidev);
2379 ai->wifidev = NULL;
2380 }
2381 clear_bit(FLAG_REGISTERED, &ai->flags);
2382 }
1da177e4
LT		 2383 /*
2384 * Clean out tx queue
2385 */
b03efcfb 2386 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
1da177e4
LT		 2387 struct sk_buff *skb = NULL;
2388 for (;(skb = skb_dequeue(&ai->txq));)
2389 dev_kfree_skb(skb);
2390 }
2391
9e75af30
DW		 2392 airo_networks_free (ai);
2393
b4558ea9
JJ		 2394 kfree(ai->flash);
2395 kfree(ai->rssi);
2396 kfree(ai->APList);
2397 kfree(ai->SSID);
1da177e4
LT		 2398 if (freeres) {
2399 /* PCMCIA frees this stuff, so only for PCI and ISA */
2400 release_region( dev->base_addr, 64 );
2401 if (test_bit(FLAG_MPI, &ai->flags)) {
2402 if (ai->pci)
2403 mpi_unmap_card(ai->pci);
2404 if (ai->pcimem)
2405 iounmap(ai->pcimem);
2406 if (ai->pciaux)
2407 iounmap(ai->pciaux);
2408 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2409 ai->shared, ai->shared_dma);
2410 }
2411 }
f12cc209 2412 crypto_free_cipher(ai->tfm);
af5b5c9a 2413 del_airo_dev(ai);
1da177e4
LT		 2414 free_netdev( dev );
2415}
2416
2417EXPORT_SYMBOL(stop_airo_card);
2418
b95cce35 2419static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
1da177e4 2420{
98e399f8 2421 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
1da177e4
LT		 2422 return ETH_ALEN;
2423}
2424
2425static void mpi_unmap_card(struct pci_dev *pci)
2426{
2427 unsigned long mem_start = pci_resource_start(pci, 1);
2428 unsigned long mem_len = pci_resource_len(pci, 1);
2429 unsigned long aux_start = pci_resource_start(pci, 2);
2430 unsigned long aux_len = AUXMEMSIZE;
2431
2432 release_mem_region(aux_start, aux_len);
2433 release_mem_region(mem_start, mem_len);
2434}
2435
2436/*************************************************************
2437 * This routine assumes that descriptors have been setup .
2438 * Run at insmod time or after reset when the decriptors
2439 * have been initialized . Returns 0 if all is well nz
2440 * otherwise . Does not allocate memory but sets up card
2441 * using previously allocated descriptors.
2442 */
2443static int mpi_init_descriptors (struct airo_info *ai)
2444{
2445 Cmd cmd;
2446 Resp rsp;
2447 int i;
2448 int rc = SUCCESS;
2449
2450 /* Alloc card RX descriptors */
2451 netif_stop_queue(ai->dev);
2452
2453 memset(&rsp,0,sizeof(rsp));
2454 memset(&cmd,0,sizeof(cmd));
2455
2456 cmd.cmd = CMD_ALLOCATEAUX;
2457 cmd.parm0 = FID_RX;
2458 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2459 cmd.parm2 = MPI_MAX_FIDS;
2460 rc=issuecommand(ai, &cmd, &rsp);
2461 if (rc != SUCCESS) {
934d8bf1 2462 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
1da177e4
LT		 2463 return rc;
2464 }
2465
2466 for (i=0; i<MPI_MAX_FIDS; i++) {
2467 memcpy_toio(ai->rxfids[i].card_ram_off,
2468 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2469 }
2470
2471 /* Alloc card TX descriptors */
2472
2473 memset(&rsp,0,sizeof(rsp));
2474 memset(&cmd,0,sizeof(cmd));
2475
2476 cmd.cmd = CMD_ALLOCATEAUX;
2477 cmd.parm0 = FID_TX;
2478 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2479 cmd.parm2 = MPI_MAX_FIDS;
2480
2481 for (i=0; i<MPI_MAX_FIDS; i++) {
2482 ai->txfids[i].tx_desc.valid = 1;
2483 memcpy_toio(ai->txfids[i].card_ram_off,
2484 &ai->txfids[i].tx_desc, sizeof(TxFid));
2485 }
2486 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2487
2488 rc=issuecommand(ai, &cmd, &rsp);
2489 if (rc != SUCCESS) {
934d8bf1 2490 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
1da177e4
LT		 2491 return rc;
2492 }
2493
2494 /* Alloc card Rid descriptor */
2495 memset(&rsp,0,sizeof(rsp));
2496 memset(&cmd,0,sizeof(cmd));
2497
2498 cmd.cmd = CMD_ALLOCATEAUX;
2499 cmd.parm0 = RID_RW;
2500 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2501 cmd.parm2 = 1; /* Magic number... */
2502 rc=issuecommand(ai, &cmd, &rsp);
2503 if (rc != SUCCESS) {
934d8bf1 2504 airo_print_err(ai->dev->name, "Couldn't allocate RID");
1da177e4
LT		 2505 return rc;
2506 }
2507
2508 memcpy_toio(ai->config_desc.card_ram_off,
2509 &ai->config_desc.rid_desc, sizeof(Rid));
2510
2511 return rc;
2512}
2513
2514/*
2515 * We are setting up three things here:
2516 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2517 * 2) Map PCI memory for issueing commands.
2518 * 3) Allocate memory (shared) to send and receive ethernet frames.
2519 */
1138c37b 2520static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
1da177e4
LT		 2521{
2522 unsigned long mem_start, mem_len, aux_start, aux_len;
2523 int rc = -1;
2524 int i;
2759c8d5
JG		 2525 dma_addr_t busaddroff;
2526 unsigned char *vpackoff;
1da177e4
LT		 2527 unsigned char __iomem *pciaddroff;
2528
2529 mem_start = pci_resource_start(pci, 1);
2530 mem_len = pci_resource_len(pci, 1);
2531 aux_start = pci_resource_start(pci, 2);
2532 aux_len = AUXMEMSIZE;
2533
1138c37b
MS		 2534 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2535 airo_print_err("", "Couldn't get region %x[%x]",
2536 (int)mem_start, (int)mem_len);
1da177e4
LT		 2537 goto out;
2538 }
1138c37b
MS		 2539 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2540 airo_print_err("", "Couldn't get region %x[%x]",
2541 (int)aux_start, (int)aux_len);
1da177e4
LT		 2542 goto free_region1;
2543 }
2544
2545 ai->pcimem = ioremap(mem_start, mem_len);
2546 if (!ai->pcimem) {
1138c37b
MS		 2547 airo_print_err("", "Couldn't map region %x[%x]",
2548 (int)mem_start, (int)mem_len);
1da177e4
LT		 2549 goto free_region2;
2550 }
2551 ai->pciaux = ioremap(aux_start, aux_len);
2552 if (!ai->pciaux) {
1138c37b
MS		 2553 airo_print_err("", "Couldn't map region %x[%x]",
2554 (int)aux_start, (int)aux_len);
1da177e4
LT		 2555 goto free_memmap;
2556 }
2557
2558 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2559 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2560 if (!ai->shared) {
1138c37b
MS		 2561 airo_print_err("", "Couldn't alloc_consistent %d",
2562 PCI_SHARED_LEN);
1da177e4
LT		 2563 goto free_auxmap;
2564 }
2565
2566 /*
2567 * Setup descriptor RX, TX, CONFIG
2568 */
2759c8d5 2569 busaddroff = ai->shared_dma;
1da177e4
LT		 2570 pciaddroff = ai->pciaux + AUX_OFFSET;
2571 vpackoff = ai->shared;
2572
2573 /* RX descriptor setup */
2574 for(i = 0; i < MPI_MAX_FIDS; i++) {
2575 ai->rxfids[i].pending = 0;
2576 ai->rxfids[i].card_ram_off = pciaddroff;
2577 ai->rxfids[i].virtual_host_addr = vpackoff;
2759c8d5 2578 ai->rxfids[i].rx_desc.host_addr = busaddroff;
1da177e4
LT		 2579 ai->rxfids[i].rx_desc.valid = 1;
2580 ai->rxfids[i].rx_desc.len = PKTSIZE;
2581 ai->rxfids[i].rx_desc.rdy = 0;
2582
2583 pciaddroff += sizeof(RxFid);
2584 busaddroff += PKTSIZE;
2585 vpackoff += PKTSIZE;
2586 }
2587
2588 /* TX descriptor setup */
2589 for(i = 0; i < MPI_MAX_FIDS; i++) {
2590 ai->txfids[i].card_ram_off = pciaddroff;
2591 ai->txfids[i].virtual_host_addr = vpackoff;
2592 ai->txfids[i].tx_desc.valid = 1;
2759c8d5 2593 ai->txfids[i].tx_desc.host_addr = busaddroff;
1da177e4
LT		 2594 memcpy(ai->txfids[i].virtual_host_addr,
2595 &wifictlhdr8023, sizeof(wifictlhdr8023));
2596
2597 pciaddroff += sizeof(TxFid);
2598 busaddroff += PKTSIZE;
2599 vpackoff += PKTSIZE;
2600 }
2601 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2602
2603 /* Rid descriptor setup */
2604 ai->config_desc.card_ram_off = pciaddroff;
2605 ai->config_desc.virtual_host_addr = vpackoff;
2759c8d5
JG		 2606 ai->config_desc.rid_desc.host_addr = busaddroff;
2607 ai->ridbus = busaddroff;
1da177e4
LT		 2608 ai->config_desc.rid_desc.rid = 0;
2609 ai->config_desc.rid_desc.len = RIDSIZE;
2610 ai->config_desc.rid_desc.valid = 1;
2611 pciaddroff += sizeof(Rid);
2612 busaddroff += RIDSIZE;
2613 vpackoff += RIDSIZE;
2614
2615 /* Tell card about descriptors */
2616 if (mpi_init_descriptors (ai) != SUCCESS)
2617 goto free_shared;
2618
2619 return 0;
2620 free_shared:
2621 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2622 free_auxmap:
2623 iounmap(ai->pciaux);
2624 free_memmap:
2625 iounmap(ai->pcimem);
2626 free_region2:
2627 release_mem_region(aux_start, aux_len);
2628 free_region1:
2629 release_mem_region(mem_start, mem_len);
2630 out:
2631 return rc;
2632}
2633
3b04ddde
SH		 2634static const struct header_ops airo_header_ops = {
2635 .parse = wll_header_parse,
2636};
2637
1da177e4
LT		 2638static void wifi_setup(struct net_device *dev)
2639{
3b04ddde 2640 dev->header_ops = &airo_header_ops;
1da177e4
LT		 2641 dev->hard_start_xmit = &airo_start_xmit11;
2642 dev->get_stats = &airo_get_stats;
2643 dev->set_mac_address = &airo_set_mac_address;
2644 dev->do_ioctl = &airo_ioctl;
1da177e4 2645 dev->wireless_handlers = &airo_handler_def;
1da177e4
LT		 2646 dev->change_mtu = &airo_change_mtu;
2647 dev->open = &airo_open;
2648 dev->stop = &airo_close;
2649
2650 dev->type = ARPHRD_IEEE80211;
2651 dev->hard_header_len = ETH_HLEN;
15db2763 2652 dev->mtu = AIRO_DEF_MTU;
1da177e4
LT		 2653 dev->addr_len = ETH_ALEN;
2654 dev->tx_queue_len = 100;
2655
2656 memset(dev->broadcast,0xFF, ETH_ALEN);
2657
2658 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2659}
2660
2661static struct net_device *init_wifidev(struct airo_info *ai,
2662 struct net_device *ethdev)
2663{
2664 int err;
2665 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2666 if (!dev)
2667 return NULL;
2668 dev->priv = ethdev->priv;
2669 dev->irq = ethdev->irq;
2670 dev->base_addr = ethdev->base_addr;
1da177e4 2671 dev->wireless_data = ethdev->wireless_data;
229ce3ab 2672 SET_NETDEV_DEV(dev, ethdev->dev.parent);
1da177e4
LT		 2673 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2674 err = register_netdev(dev);
2675 if (err<0) {
2676 free_netdev(dev);
2677 return NULL;
2678 }
2679 return dev;
2680}
2681
ff1d2767 2682static int reset_card( struct net_device *dev , int lock) {
1da177e4
LT		 2683 struct airo_info *ai = dev->priv;
2684
2685 if (lock && down_interruptible(&ai->sem))
2686 return -1;
2687 waitbusy (ai);
2688 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2689 msleep(200);
2690 waitbusy (ai);
2691 msleep(200);
2692 if (lock)
2693 up(&ai->sem);
2694 return 0;
2695}
2696
3c304956 2697#define AIRO_MAX_NETWORK_COUNT 64
9e75af30
DW		 2698static int airo_networks_allocate(struct airo_info *ai)
2699{
2700 if (ai->networks)
2701 return 0;
2702
2703 ai->networks =
3c304956 2704 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
9e75af30
DW		 2705 GFP_KERNEL);
2706 if (!ai->networks) {
1138c37b 2707 airo_print_warn("", "Out of memory allocating beacons");
9e75af30
DW		 2708 return -ENOMEM;
2709 }
2710
2711 return 0;
2712}
2713
2714static void airo_networks_free(struct airo_info *ai)
2715{
9e75af30
DW		 2716 kfree(ai->networks);
2717 ai->networks = NULL;
2718}
2719
2720static void airo_networks_initialize(struct airo_info *ai)
2721{
2722 int i;
2723
2724 INIT_LIST_HEAD(&ai->network_free_list);
2725 INIT_LIST_HEAD(&ai->network_list);
3c304956 2726 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
9e75af30
DW		 2727 list_add_tail(&ai->networks[i].list,
2728 &ai->network_free_list);
2729}
2730
3c304956
DW		 2731static int airo_test_wpa_capable(struct airo_info *ai)
2732{
2733 int status;
2734 CapabilityRid cap_rid;
3c304956
DW		 2735
2736 status = readCapabilityRid(ai, &cap_rid, 1);
2737 if (status != SUCCESS) return 0;
2738
2739 /* Only firmware versions 5.30.17 or better can do WPA */
56d81bd3
AV		 2740 if (le16_to_cpu(cap_rid.softVer) > 0x530
2741 || (le16_to_cpu(cap_rid.softVer) == 0x530
2742 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
1138c37b 2743 airo_print_info("", "WPA is supported.");
3c304956
DW		 2744 return 1;
2745 }
2746
2747 /* No WPA support */
1138c37b 2748 airo_print_info("", "WPA unsupported (only firmware versions 5.30.17"
3c304956
DW		 2749 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2750 return 0;
2751}
2752
ff1d2767
JM		 2753static struct net_device *_init_airo_card( unsigned short irq, int port,
2754 int is_pcmcia, struct pci_dev *pci,
2755 struct device *dmdev )
1da177e4
LT		 2756{
2757 struct net_device *dev;
2758 struct airo_info *ai;
2759 int i, rc;
0795af57 2760 DECLARE_MAC_BUF(mac);
1da177e4
LT		 2761
2762 /* Create the network device object. */
1138c37b
MS		 2763 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2764 if (!dev) {
934d8bf1 2765 airo_print_err("", "Couldn't alloc_etherdev");
1da177e4 2766 return NULL;
1da177e4
LT		 2767 }
2768
2769 ai = dev->priv;
2770 ai->wifidev = NULL;
fb038c27 2771 ai->flags = 1 << FLAG_RADIO_DOWN;
3c304956 2772 ai->jobs = 0;
934d8bf1 2773 ai->dev = dev;
1da177e4 2774 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
1138c37b 2775 airo_print_dbg("", "Found an MPI350 card");
1da177e4
LT		 2776 set_bit(FLAG_MPI, &ai->flags);
2777 }
1da177e4
LT		 2778 spin_lock_init(&ai->aux_lock);
2779 sema_init(&ai->sem, 1);
2780 ai->config.len = 0;
2781 ai->pci = pci;
2782 init_waitqueue_head (&ai->thr_wait);
1da177e4 2783 ai->tfm = NULL;
af5b5c9a 2784 add_airo_dev(ai);
1da177e4 2785
9e75af30 2786 if (airo_networks_allocate (ai))
1c2b7db8 2787 goto err_out_free;
9e75af30
DW		 2788 airo_networks_initialize (ai);
2789
1da177e4
LT		 2790 /* The Airo-specific entries in the device structure. */
2791 if (test_bit(FLAG_MPI,&ai->flags)) {
2792 skb_queue_head_init (&ai->txq);
2793 dev->hard_start_xmit = &mpi_start_xmit;
2794 } else
2795 dev->hard_start_xmit = &airo_start_xmit;
2796 dev->get_stats = &airo_get_stats;
2797 dev->set_multicast_list = &airo_set_multicast_list;
2798 dev->set_mac_address = &airo_set_mac_address;
2799 dev->do_ioctl = &airo_ioctl;
1da177e4
LT		 2800 dev->wireless_handlers = &airo_handler_def;
2801 ai->wireless_data.spy_data = &ai->spy_data;
2802 dev->wireless_data = &ai->wireless_data;
1da177e4
LT		 2803 dev->change_mtu = &airo_change_mtu;
2804 dev->open = &airo_open;
2805 dev->stop = &airo_close;
2806 dev->irq = irq;
2807 dev->base_addr = port;
2808
2809 SET_NETDEV_DEV(dev, dmdev);
2810
1d97f384
MC		 2811 reset_card (dev, 1);
2812 msleep(400);
1da177e4 2813
1da177e4 2814 if (!is_pcmcia) {
1138c37b 2815 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
1da177e4 2816 rc = -EBUSY;
934d8bf1 2817 airo_print_err(dev->name, "Couldn't request region");
1c2b7db8 2818 goto err_out_nets;
1da177e4
LT		 2819 }
2820 }
2821
2822 if (test_bit(FLAG_MPI,&ai->flags)) {
1138c37b
MS		 2823 if (mpi_map_card(ai, pci)) {
2824 airo_print_err("", "Could not map memory");
1da177e4
LT		 2825 goto err_out_res;
2826 }
2827 }
2828
2829 if (probe) {
2830 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
934d8bf1 2831 airo_print_err(dev->name, "MAC could not be enabled" );
1da177e4
LT		 2832 rc = -EIO;
2833 goto err_out_map;
2834 }
2835 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2836 ai->bap_read = fast_bap_read;
2837 set_bit(FLAG_FLASHING, &ai->flags);
2838 }
2839
3c304956
DW		 2840 /* Test for WPA support */
2841 if (airo_test_wpa_capable(ai)) {
2842 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2843 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2844 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2845 ai->bssListRidLen = sizeof(BSSListRid);
2846 } else {
2847 ai->bssListFirst = RID_BSSLISTFIRST;
2848 ai->bssListNext = RID_BSSLISTNEXT;
2849 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2850 }
2851
1138c37b 2852 strcpy(dev->name, "eth%d");
1da177e4
LT		 2853 rc = register_netdev(dev);
2854 if (rc) {
934d8bf1 2855 airo_print_err(dev->name, "Couldn't register_netdev");
1da177e4
LT		 2856 goto err_out_map;
2857 }
2858 ai->wifidev = init_wifidev(ai, dev);
431aca5a
FM		 2859 if (!ai->wifidev)
2860 goto err_out_reg;
1da177e4
LT		 2861
2862 set_bit(FLAG_REGISTERED,&ai->flags);
0795af57
JP		 2863 airo_print_info(dev->name, "MAC enabled %s",
2864 print_mac(mac, dev->dev_addr));
1da177e4
LT		 2865
2866 /* Allocate the transmit buffers */
2867 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2868 for( i = 0; i < MAX_FIDS; i++ )
15db2763 2869 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
1da177e4 2870
431aca5a
FM		 2871 if (setup_proc_entry(dev, dev->priv) < 0)
2872 goto err_out_wifi;
2873
1da177e4
LT		 2874 return dev;
2875
431aca5a
FM		 2876err_out_wifi:
2877 unregister_netdev(ai->wifidev);
2878 free_netdev(ai->wifidev);
2879err_out_reg:
2880 unregister_netdev(dev);
1da177e4
LT		 2881err_out_map:
2882 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2883 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2884 iounmap(ai->pciaux);
2885 iounmap(ai->pcimem);
2886 mpi_unmap_card(ai->pci);
2887 }
2888err_out_res:
2889 if (!is_pcmcia)
2890 release_region( dev->base_addr, 64 );
4d881901
MS		 2891err_out_nets:
2892 airo_networks_free(ai);
af5b5c9a 2893 del_airo_dev(ai);
1da177e4
LT		 2894err_out_free:
2895 free_netdev(dev);
2896 return NULL;
2897}
2898
2899struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2900 struct device *dmdev)
2901{
2902 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2903}
2904
2905EXPORT_SYMBOL(init_airo_card);
2906
2907static int waitbusy (struct airo_info *ai) {
2908 int delay = 0;
b212f337 2909 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
1da177e4
LT		 2910 udelay (10);
2911 if ((++delay % 20) == 0)
2912 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2913 }
2914 return delay < 10000;
2915}
2916
2917int reset_airo_card( struct net_device *dev )
2918{
2919 int i;
2920 struct airo_info *ai = dev->priv;
0795af57 2921 DECLARE_MAC_BUF(mac);
1da177e4
LT		 2922
2923 if (reset_card (dev, 1))
2924 return -1;
2925
2926 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
934d8bf1 2927 airo_print_err(dev->name, "MAC could not be enabled");
1da177e4
LT		 2928 return -1;
2929 }
0795af57
JP		 2930 airo_print_info(dev->name, "MAC enabled %s",
2931 print_mac(mac, dev->dev_addr));
1da177e4
LT		 2932 /* Allocate the transmit buffers if needed */
2933 if (!test_bit(FLAG_MPI,&ai->flags))
2934 for( i = 0; i < MAX_FIDS; i++ )
15db2763 2935 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
1da177e4
LT		 2936
2937 enable_interrupts( ai );
2938 netif_wake_queue(dev);
2939 return 0;
2940}
2941
2942EXPORT_SYMBOL(reset_airo_card);
2943
2944static void airo_send_event(struct net_device *dev) {
2945 struct airo_info *ai = dev->priv;
2946 union iwreq_data wrqu;
2947 StatusRid status_rid;
2948
3c304956 2949 clear_bit(JOB_EVENT, &ai->jobs);
1da177e4
LT		 2950 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2951 up(&ai->sem);
2952 wrqu.data.length = 0;
2953 wrqu.data.flags = 0;
2954 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2955 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2956
2957 /* Send event to user space */
2958 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2959}
2960
9e75af30
DW		 2961static void airo_process_scan_results (struct airo_info *ai) {
2962 union iwreq_data wrqu;
3c304956 2963 BSSListRid bss;
9e75af30
DW		 2964 int rc;
2965 BSSListElement * loop_net;
2966 BSSListElement * tmp_net;
2967
2968 /* Blow away current list of scan results */
2969 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
2970 list_move_tail (&loop_net->list, &ai->network_free_list);
2971 /* Don't blow away ->list, just BSS data */
2972 memset (loop_net, 0, sizeof (loop_net->bss));
2973 }
2974
2975 /* Try to read the first entry of the scan result */
3c304956 2976 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
17e70491 2977 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
9e75af30
DW		 2978 /* No scan results */
2979 goto out;
2980 }
2981
2982 /* Read and parse all entries */
2983 tmp_net = NULL;
17e70491 2984 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
9e75af30
DW		 2985 /* Grab a network off the free list */
2986 if (!list_empty(&ai->network_free_list)) {
2987 tmp_net = list_entry(ai->network_free_list.next,
2988 BSSListElement, list);
2989 list_del(ai->network_free_list.next);
2990 }
2991
2992 if (tmp_net != NULL) {
3c304956 2993 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
9e75af30
DW		 2994 list_add_tail(&tmp_net->list, &ai->network_list);
2995 tmp_net = NULL;
2996 }
2997
2998 /* Read next entry */
3c304956
DW		 2999 rc = PC4500_readrid(ai, ai->bssListNext,
3000 &bss, ai->bssListRidLen, 0);
9e75af30
DW		 3001 }
3002
3003out:
3004 ai->scan_timeout = 0;
3c304956 3005 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
9e75af30
DW		 3006 up(&ai->sem);
3007
3008 /* Send an empty event to user space.
3009 * We don't send the received data on
3010 * the event because it would require
3011 * us to do complex transcoding, and
3012 * we want to minimise the work done in
3013 * the irq handler. Use a request to
3014 * extract the data - Jean II */
3015 wrqu.data.length = 0;
3016 wrqu.data.flags = 0;
3017 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3018}
3019
1da177e4
LT		 3020static int airo_thread(void *data) {
3021 struct net_device *dev = data;
3022 struct airo_info *ai = dev->priv;
3023 int locked;
83144186
RW		 3024
3025 set_freezable();
1da177e4 3026 while(1) {
1da177e4 3027 /* make swsusp happy with our thread */
3e1d1d28 3028 try_to_freeze();
1da177e4 3029
3c304956 3030 if (test_bit(JOB_DIE, &ai->jobs))
1da177e4
LT		 3031 break;
3032
3c304956 3033 if (ai->jobs) {
1da177e4
LT		 3034 locked = down_interruptible(&ai->sem);
3035 } else {
3036 wait_queue_t wait;
3037
3038 init_waitqueue_entry(&wait, current);
3039 add_wait_queue(&ai->thr_wait, &wait);
3040 for (;;) {
3041 set_current_state(TASK_INTERRUPTIBLE);
3c304956 3042 if (ai->jobs)
1da177e4 3043 break;
9e75af30
DW		 3044 if (ai->expires || ai->scan_timeout) {
3045 if (ai->scan_timeout &&
3046 time_after_eq(jiffies,ai->scan_timeout)){
3c304956 3047 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
9e75af30
DW		 3048 break;
3049 } else if (ai->expires &&
3050 time_after_eq(jiffies,ai->expires)){
3c304956 3051 set_bit(JOB_AUTOWEP, &ai->jobs);
1da177e4
LT		 3052 break;
3053 }
5bb85f18
DK		 3054 if (!kthread_should_stop() &&
3055 !freezing(current)) {
9e75af30
DW		 3056 unsigned long wake_at;
3057 if (!ai->expires || !ai->scan_timeout) {
3058 wake_at = max(ai->expires,
3059 ai->scan_timeout);
3060 } else {
3061 wake_at = min(ai->expires,
3062 ai->scan_timeout);
3063 }
3064 schedule_timeout(wake_at - jiffies);
1da177e4
LT		 3065 continue;
3066 }
5bb85f18
DK		 3067 } else if (!kthread_should_stop() &&
3068 !freezing(current)) {
1da177e4
LT		 3069 schedule();
3070 continue;
3071 }
3072 break;
3073 }
3074 current->state = TASK_RUNNING;
3075 remove_wait_queue(&ai->thr_wait, &wait);
3076 locked = 1;
3077 }
3078
3079 if (locked)
3080 continue;
3081
3c304956 3082 if (test_bit(JOB_DIE, &ai->jobs)) {
1da177e4
LT		 3083 up(&ai->sem);
3084 break;
3085 }
3086
ca078bae 3087 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
1da177e4
LT		 3088 up(&ai->sem);
3089 continue;
3090 }
3091
3c304956 3092 if (test_bit(JOB_XMIT, &ai->jobs))
1da177e4 3093 airo_end_xmit(dev);
3c304956 3094 else if (test_bit(JOB_XMIT11, &ai->jobs))
1da177e4 3095 airo_end_xmit11(dev);
3c304956 3096 else if (test_bit(JOB_STATS, &ai->jobs))
5d9276da 3097 airo_read_stats(dev);
3c304956 3098 else if (test_bit(JOB_WSTATS, &ai->jobs))
1da177e4 3099 airo_read_wireless_stats(ai);
3c304956 3100 else if (test_bit(JOB_PROMISC, &ai->jobs))
1da177e4 3101 airo_set_promisc(ai);
3c304956 3102 else if (test_bit(JOB_MIC, &ai->jobs))
1da177e4 3103 micinit(ai);
3c304956 3104 else if (test_bit(JOB_EVENT, &ai->jobs))
1da177e4 3105 airo_send_event(dev);
3c304956 3106 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
1da177e4 3107 timer_func(dev);
3c304956 3108 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
9e75af30
DW		 3109 airo_process_scan_results(ai);
3110 else /* Shouldn't get here, but we make sure to unlock */
3111 up(&ai->sem);
1da177e4 3112 }
3b4c7d64
SB		 3113
3114 return 0;
1da177e4
LT		 3115}
3116
0300b332
AV		 3117static int header_len(__le16 ctl)
3118{
3119 u16 fc = le16_to_cpu(ctl);
3120 switch (fc & 0xc) {
3121 case 4:
3122 if ((fc & 0xe0) == 0xc0)
3123 return 10; /* one-address control packet */
3124 return 16; /* two-address control packet */
3125 case 8:
3126 if ((fc & 0x300) == 0x300)
3127 return 30; /* WDS packet */
3128 }
3129 return 24;
3130}
3131
28fc1f5a
JG		 3132static irqreturn_t airo_interrupt(int irq, void *dev_id)
3133{
3134 struct net_device *dev = dev_id;
1da177e4
LT		 3135 u16 status;
3136 u16 fid;
3137 struct airo_info *apriv = dev->priv;
3138 u16 savedInterrupts = 0;
3139 int handled = 0;
3140
3141 if (!netif_device_present(dev))
3142 return IRQ_NONE;
3143
3144 for (;;) {
3145 status = IN4500( apriv, EVSTAT );
3146 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3147
3148 handled = 1;
3149
3150 if ( status & EV_AWAKE ) {
3151 OUT4500( apriv, EVACK, EV_AWAKE );
3152 OUT4500( apriv, EVACK, EV_AWAKE );
3153 }
3154
3155 if (!savedInterrupts) {
3156 savedInterrupts = IN4500( apriv, EVINTEN );
3157 OUT4500( apriv, EVINTEN, 0 );
3158 }
3159
3160 if ( status & EV_MIC ) {
3161 OUT4500( apriv, EVACK, EV_MIC );
1da177e4 3162 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3c304956 3163 set_bit(JOB_MIC, &apriv->jobs);
1da177e4
LT		 3164 wake_up_interruptible(&apriv->thr_wait);
3165 }
1da177e4
LT		 3166 }
3167 if ( status & EV_LINK ) {
3168 union iwreq_data wrqu;
6fcdf565 3169 int scan_forceloss = 0;
1da177e4
LT		 3170 /* The link status has changed, if you want to put a
3171 monitor hook in, do it here. (Remember that
3172 interrupts are still disabled!)
3173 */
3174 u16 newStatus = IN4500(apriv, LINKSTAT);
3175 OUT4500( apriv, EVACK, EV_LINK);
3176 /* Here is what newStatus means: */
3177#define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3178#define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3179#define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3180#define FORCELOSS 0x8003 /* Loss of sync - host request */
3181#define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3182#define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3183#define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3184#define ASSFAIL 0x8400 /* Association failure (low byte is reason
3185 code) */
3186#define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3187 code) */
6fcdf565
DW		 3188#define ASSOCIATED 0x0400 /* Associated */
3189#define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
1da177e4
LT		 3190#define RC_RESERVED 0 /* Reserved return code */
3191#define RC_NOREASON 1 /* Unspecified reason */
3192#define RC_AUTHINV 2 /* Previous authentication invalid */
3193#define RC_DEAUTH 3 /* Deauthenticated because sending station is
3194 leaving */
3195#define RC_NOACT 4 /* Disassociated due to inactivity */
3196#define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3197 all currently associated stations */
3198#define RC_BADCLASS2 6 /* Class 2 frame received from
3199 non-Authenticated station */
3200#define RC_BADCLASS3 7 /* Class 3 frame received from
3201 non-Associated station */
3202#define RC_STATLEAVE 8 /* Disassociated because sending station is
3203 leaving BSS */
3204#define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3205 Authenticated with the responding station */
6fcdf565
DW		 3206 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3207 scan_forceloss = 1;
3208 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
1da177e4
LT		 3209 if (auto_wep)
3210 apriv->expires = 0;
3b4c7d64
SB		 3211 if (apriv->list_bss_task)
3212 wake_up_process(apriv->list_bss_task);
1da177e4
LT		 3213 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3214 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
6fcdf565 3215
1da177e4 3216 if (down_trylock(&apriv->sem) != 0) {
3c304956 3217 set_bit(JOB_EVENT, &apriv->jobs);
1da177e4
LT		 3218 wake_up_interruptible(&apriv->thr_wait);
3219 } else
3220 airo_send_event(dev);
6fcdf565
DW		 3221 } else if (!scan_forceloss) {
3222 if (auto_wep && !apriv->expires) {
3223 apriv->expires = RUN_AT(3*HZ);
3224 wake_up_interruptible(&apriv->thr_wait);
3225 }
1da177e4
LT		 3226
3227 /* Send event to user space */
6fcdf565
DW		 3228 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3229 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
1da177e4
LT		 3230 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3231 }
3232 }
3233
3234 /* Check to see if there is something to receive */
3235 if ( status & EV_RX ) {
3236 struct sk_buff *skb = NULL;
b8c06bc1
AV		 3237 __le16 fc, v;
3238 u16 len, hdrlen = 0;
1da177e4
LT		 3239#pragma pack(1)
3240 struct {
593c2b9c 3241 __le16 status, len;
1da177e4
LT		 3242 u8 rssi[2];
3243 u8 rate;
3244 u8 freq;
593c2b9c 3245 __le16 tmp[4];
1da177e4
LT		 3246 } hdr;
3247#pragma pack()
3248 u16 gap;
b8c06bc1
AV		 3249 __le16 tmpbuf[4];
3250 __le16 *buffer;
1da177e4
LT		 3251
3252 if (test_bit(FLAG_MPI,&apriv->flags)) {
3253 if (test_bit(FLAG_802_11, &apriv->flags))
3254 mpi_receive_802_11(apriv);
3255 else
3256 mpi_receive_802_3(apriv);
3257 OUT4500(apriv, EVACK, EV_RX);
3258 goto exitrx;
3259 }
3260
3261 fid = IN4500( apriv, RXFID );
3262
3263 /* Get the packet length */
3264 if (test_bit(FLAG_802_11, &apriv->flags)) {
3265 bap_setup (apriv, fid, 4, BAP0);
b8c06bc1 3266 bap_read (apriv, (__le16*)&hdr, sizeof(hdr), BAP0);
1da177e4
LT		 3267 /* Bad CRC. Ignore packet */
3268 if (le16_to_cpu(hdr.status) & 2)
3269 hdr.len = 0;
3270 if (apriv->wifidev == NULL)
3271 hdr.len = 0;
3272 } else {
3273 bap_setup (apriv, fid, 0x36, BAP0);
b8c06bc1 3274 bap_read (apriv, &hdr.len, 2, BAP0);
1da177e4
LT		 3275 }
3276 len = le16_to_cpu(hdr.len);
3277
15db2763 3278 if (len > AIRO_DEF_MTU) {
934d8bf1 3279 airo_print_err(apriv->dev->name, "Bad size %d", len);
1da177e4
LT		 3280 goto badrx;
3281 }
3282 if (len == 0)
3283 goto badrx;
3284
3285 if (test_bit(FLAG_802_11, &apriv->flags)) {
0300b332
AV		 3286 bap_read (apriv, &fc, sizeof(fc), BAP0);
3287 hdrlen = header_len(fc);
1da177e4
LT		 3288 } else
3289 hdrlen = ETH_ALEN * 2;
3290
3291 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3292 if ( !skb ) {
5d9276da 3293 dev->stats.rx_dropped++;
1da177e4
LT		 3294 goto badrx;
3295 }
3296 skb_reserve(skb, 2); /* This way the IP header is aligned */
b8c06bc1 3297 buffer = (__le16*)skb_put (skb, len + hdrlen);
1da177e4
LT		 3298 if (test_bit(FLAG_802_11, &apriv->flags)) {
3299 buffer[0] = fc;
3300 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3301 if (hdrlen == 24)
3302 bap_read (apriv, tmpbuf, 6, BAP0);
3303
b8c06bc1
AV		 3304 bap_read (apriv, &v, sizeof(v), BAP0);
3305 gap = le16_to_cpu(v);
1da177e4 3306 if (gap) {
934d8bf1 3307 if (gap <= 8) {
1da177e4 3308 bap_read (apriv, tmpbuf, gap, BAP0);
934d8bf1
DW		 3309 } else {
3310 airo_print_err(apriv->dev->name, "gaplen too "
3311 "big. Problems will follow...");
3312 }
1da177e4
LT		 3313 }
3314 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3315 } else {
1da177e4 3316 MICBuffer micbuf;
1da177e4 3317 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
1da177e4 3318 if (apriv->micstats.enabled) {
b8c06bc1 3319 bap_read (apriv,(__le16*)&micbuf,sizeof(micbuf),BAP0);
1da177e4
LT		 3320 if (ntohs(micbuf.typelen) > 0x05DC)
3321 bap_setup (apriv, fid, 0x44, BAP0);
3322 else {
3323 if (len <= sizeof(micbuf))
3324 goto badmic;
3325
3326 len -= sizeof(micbuf);
3327 skb_trim (skb, len + hdrlen);
3328 }
3329 }
1da177e4 3330 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
1da177e4
LT		 3331 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3332badmic:
3333 dev_kfree_skb_irq (skb);
1da177e4
LT		 3334badrx:
3335 OUT4500( apriv, EVACK, EV_RX);
3336 goto exitrx;
3337 }
3338 }
3339#ifdef WIRELESS_SPY
3340 if (apriv->spy_data.spy_number > 0) {
3341 char *sa;
3342 struct iw_quality wstats;
3343 /* Prepare spy data : addr + qual */
3344 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3345 sa = (char*)buffer + 6;
3346 bap_setup (apriv, fid, 8, BAP0);
b8c06bc1 3347 bap_read (apriv, (__le16*)hdr.rssi, 2, BAP0);
1da177e4
LT		 3348 } else
3349 sa = (char*)buffer + 10;
3350 wstats.qual = hdr.rssi[0];
3351 if (apriv->rssi)
3352 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3353 else
3354 wstats.level = (hdr.rssi[1] + 321) / 2;
41480af2
DW		 3355 wstats.noise = apriv->wstats.qual.noise;
3356 wstats.updated = IW_QUAL_LEVEL_UPDATED
3357 | IW_QUAL_QUAL_UPDATED
ce6623c3 3358 | IW_QUAL_DBM;
1da177e4
LT		 3359 /* Update spy records */
3360 wireless_spy_update(dev, sa, &wstats);
3361 }
3362#endif /* WIRELESS_SPY */
3363 OUT4500( apriv, EVACK, EV_RX);
3364
3365 if (test_bit(FLAG_802_11, &apriv->flags)) {
459a98ed 3366 skb_reset_mac_header(skb);
1da177e4
LT		 3367 skb->pkt_type = PACKET_OTHERHOST;
3368 skb->dev = apriv->wifidev;
3369 skb->protocol = htons(ETH_P_802_2);
4c13eb66 3370 } else
1da177e4 3371 skb->protocol = eth_type_trans(skb,dev);
1da177e4
LT		 3372 skb->dev->last_rx = jiffies;
3373 skb->ip_summed = CHECKSUM_NONE;
3374
3375 netif_rx( skb );
3376 }
3377exitrx:
3378
3379 /* Check to see if a packet has been transmitted */
3380 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3381 int i;
3382 int len = 0;
3383 int index = -1;
3384
3385 if (test_bit(FLAG_MPI,&apriv->flags)) {
3386 unsigned long flags;
3387
3388 if (status & EV_TXEXC)
3389 get_tx_error(apriv, -1);
3390 spin_lock_irqsave(&apriv->aux_lock, flags);
b03efcfb 3391 if (!skb_queue_empty(&apriv->txq)) {
1da177e4
LT		 3392 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3393 mpi_send_packet (dev);
3394 } else {
3395 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3396 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3397 netif_wake_queue (dev);
3398 }
3399 OUT4500( apriv, EVACK,
3400 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3401 goto exittx;
3402 }
3403
3404 fid = IN4500(apriv, TXCOMPLFID);
3405
3406 for( i = 0; i < MAX_FIDS; i++ ) {
3407 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3408 len = apriv->fids[i] >> 16;
3409 index = i;
3410 }
3411 }
3412 if (index != -1) {
3413 if (status & EV_TXEXC)
3414 get_tx_error(apriv, index);
3415 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3416 /* Set up to be used again */
3417 apriv->fids[index] &= 0xffff;
3418 if (index < MAX_FIDS / 2) {
3419 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3420 netif_wake_queue(dev);
3421 } else {
3422 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3423 netif_wake_queue(apriv->wifidev);
3424 }
3425 } else {
3426 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
934d8bf1
DW		 3427 airo_print_err(apriv->dev->name, "Unallocated FID was "
3428 "used to xmit" );
1da177e4
LT		 3429 }
3430 }
3431exittx:
3432 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
934d8bf1 3433 airo_print_warn(apriv->dev->name, "Got weird status %x",
1da177e4
LT		 3434 status & ~STATUS_INTS & ~IGNORE_INTS );
3435 }
3436
3437 if (savedInterrupts)
3438 OUT4500( apriv, EVINTEN, savedInterrupts );
3439
3440 /* done.. */
3441 return IRQ_RETVAL(handled);
3442}
3443
3444/*
3445 * Routines to talk to the card
3446 */
3447
3448/*
3449 * This was originally written for the 4500, hence the name
3450 * NOTE: If use with 8bit mode and SMP bad things will happen!
3451 * Why would some one do 8 bit IO in an SMP machine?!?
3452 */
3453static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3454 if (test_bit(FLAG_MPI,&ai->flags))
3455 reg <<= 1;
3456 if ( !do8bitIO )
3457 outw( val, ai->dev->base_addr + reg );
3458 else {
3459 outb( val & 0xff, ai->dev->base_addr + reg );
3460 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3461 }
3462}
3463
3464static u16 IN4500( struct airo_info *ai, u16 reg ) {
3465 unsigned short rc;
3466
3467 if (test_bit(FLAG_MPI,&ai->flags))
3468 reg <<= 1;
3469 if ( !do8bitIO )
3470 rc = inw( ai->dev->base_addr + reg );
3471 else {
3472 rc = inb( ai->dev->base_addr + reg );
3473 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3474 }
3475 return rc;
3476}
3477
175ec1a1
MS		 3478static int enable_MAC(struct airo_info *ai, int lock)
3479{
1da177e4 3480 int rc;
175ec1a1
MS		 3481 Cmd cmd;
3482 Resp rsp;
1da177e4
LT		 3483
3484 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3485 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3486 * Note : we could try to use !netif_running(dev) in enable_MAC()
3487 * instead of this flag, but I don't trust it *within* the
3488 * open/close functions, and testing both flags together is
3489 * "cheaper" - Jean II */
3490 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3491
3492 if (lock && down_interruptible(&ai->sem))
3493 return -ERESTARTSYS;
3494
3495 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3496 memset(&cmd, 0, sizeof(cmd));
3497 cmd.cmd = MAC_ENABLE;
175ec1a1 3498 rc = issuecommand(ai, &cmd, &rsp);
1da177e4
LT		 3499 if (rc == SUCCESS)
3500 set_bit(FLAG_ENABLED, &ai->flags);
3501 } else
3502 rc = SUCCESS;
3503
3504 if (lock)
3505 up(&ai->sem);
3506
3507 if (rc)
175ec1a1
MS		 3508 airo_print_err(ai->dev->name, "Cannot enable MAC");
3509 else if ((rsp.status & 0xFF00) != 0) {
3510 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3511 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3512 rc = ERROR;
3513 }
1da177e4
LT		 3514 return rc;
3515}
3516
3517static void disable_MAC( struct airo_info *ai, int lock ) {
3518 Cmd cmd;
3519 Resp rsp;
3520
3521 if (lock && down_interruptible(&ai->sem))
3522 return;
3523
3524 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3525 memset(&cmd, 0, sizeof(cmd));
3526 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3527 issuecommand(ai, &cmd, &rsp);
3528 clear_bit(FLAG_ENABLED, &ai->flags);
3529 }
3530 if (lock)
3531 up(&ai->sem);
3532}
3533
3534static void enable_interrupts( struct airo_info *ai ) {
3535 /* Enable the interrupts */
3536 OUT4500( ai, EVINTEN, STATUS_INTS );
3537}
3538
3539static void disable_interrupts( struct airo_info *ai ) {
3540 OUT4500( ai, EVINTEN, 0 );
3541}
3542
3543static void mpi_receive_802_3(struct airo_info *ai)
3544{
3545 RxFid rxd;
3546 int len = 0;
3547 struct sk_buff *skb;
3548 char *buffer;
1da177e4
LT		 3549 int off = 0;
3550 MICBuffer micbuf;
1da177e4
LT		 3551
3552 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3553 /* Make sure we got something */
3554 if (rxd.rdy && rxd.valid == 0) {
3555 len = rxd.len + 12;
3556 if (len < 12 || len > 2048)
3557 goto badrx;
3558
3559 skb = dev_alloc_skb(len);
3560 if (!skb) {
5d9276da 3561 ai->dev->stats.rx_dropped++;
1da177e4
LT		 3562 goto badrx;
3563 }
3564 buffer = skb_put(skb,len);
1da177e4
LT		 3565 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3566 if (ai->micstats.enabled) {
3567 memcpy(&micbuf,
3568 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3569 sizeof(micbuf));
3570 if (ntohs(micbuf.typelen) <= 0x05DC) {
3571 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3572 goto badmic;
3573
3574 off = sizeof(micbuf);
3575 skb_trim (skb, len - off);
3576 }
3577 }
3578 memcpy(buffer + ETH_ALEN * 2,
3579 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3580 len - ETH_ALEN * 2 - off);
3581 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3582badmic:
3583 dev_kfree_skb_irq (skb);
3584 goto badrx;
3585 }
1da177e4
LT		 3586#ifdef WIRELESS_SPY
3587 if (ai->spy_data.spy_number > 0) {
3588 char *sa;
3589 struct iw_quality wstats;
3590 /* Prepare spy data : addr + qual */
3591 sa = buffer + ETH_ALEN;
3592 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3593 wstats.level = 0;
3594 wstats.updated = 0;
3595 /* Update spy records */
3596 wireless_spy_update(ai->dev, sa, &wstats);
3597 }
3598#endif /* WIRELESS_SPY */
3599
1da177e4
LT		 3600 skb->ip_summed = CHECKSUM_NONE;
3601 skb->protocol = eth_type_trans(skb, ai->dev);
3602 skb->dev->last_rx = jiffies;
3603 netif_rx(skb);
3604 }
3605badrx:
3606 if (rxd.valid == 0) {
3607 rxd.valid = 1;
3608 rxd.rdy = 0;
3609 rxd.len = PKTSIZE;
3610 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3611 }
3612}
3613
3614void mpi_receive_802_11 (struct airo_info *ai)
3615{
3616 RxFid rxd;
3617 struct sk_buff *skb = NULL;
0300b332
AV		 3618 u16 len, hdrlen = 0;
3619 __le16 fc;
1da177e4
LT		 3620#pragma pack(1)
3621 struct {
593c2b9c 3622 __le16 status, len;
1da177e4
LT		 3623 u8 rssi[2];
3624 u8 rate;
3625 u8 freq;
593c2b9c 3626 __le16 tmp[4];
1da177e4
LT		 3627 } hdr;
3628#pragma pack()
3629 u16 gap;
3630 u16 *buffer;
3631 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3632
3633 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3634 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3635 ptr += sizeof(hdr);
3636 /* Bad CRC. Ignore packet */
3637 if (le16_to_cpu(hdr.status) & 2)
3638 hdr.len = 0;
3639 if (ai->wifidev == NULL)
3640 hdr.len = 0;
3641 len = le16_to_cpu(hdr.len);
15db2763 3642 if (len > AIRO_DEF_MTU) {
934d8bf1 3643 airo_print_err(ai->dev->name, "Bad size %d", len);
1da177e4
LT		 3644 goto badrx;
3645 }
3646 if (len == 0)
3647 goto badrx;
3648
0300b332
AV		 3649 fc = get_unaligned((__le16 *)ptr);
3650 hdrlen = header_len(fc);
1da177e4
LT		 3651
3652 skb = dev_alloc_skb( len + hdrlen + 2 );
3653 if ( !skb ) {
5d9276da 3654 ai->dev->stats.rx_dropped++;
1da177e4
LT		 3655 goto badrx;
3656 }
3657 buffer = (u16*)skb_put (skb, len + hdrlen);
3658 memcpy ((char *)buffer, ptr, hdrlen);
3659 ptr += hdrlen;
3660 if (hdrlen == 24)
3661 ptr += 6;
533dd1b0 3662 gap = get_unaligned_le16(ptr);
593c2b9c 3663 ptr += sizeof(__le16);
1da177e4
LT		 3664 if (gap) {
3665 if (gap <= 8)
3666 ptr += gap;
3667 else
934d8bf1
DW		 3668 airo_print_err(ai->dev->name,
3669 "gaplen too big. Problems will follow...");
1da177e4
LT		 3670 }
3671 memcpy ((char *)buffer + hdrlen, ptr, len);
3672 ptr += len;
3673#ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3674 if (ai->spy_data.spy_number > 0) {
3675 char *sa;
3676 struct iw_quality wstats;
3677 /* Prepare spy data : addr + qual */
3678 sa = (char*)buffer + 10;
3679 wstats.qual = hdr.rssi[0];
3680 if (ai->rssi)
3681 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3682 else
3683 wstats.level = (hdr.rssi[1] + 321) / 2;
41480af2
DW		 3684 wstats.noise = ai->wstats.qual.noise;
3685 wstats.updated = IW_QUAL_QUAL_UPDATED
3686 | IW_QUAL_LEVEL_UPDATED
ce6623c3 3687 | IW_QUAL_DBM;
1da177e4
LT		 3688 /* Update spy records */
3689 wireless_spy_update(ai->dev, sa, &wstats);
3690 }
3691#endif /* IW_WIRELESS_SPY */
459a98ed 3692 skb_reset_mac_header(skb);
1da177e4
LT		 3693 skb->pkt_type = PACKET_OTHERHOST;
3694 skb->dev = ai->wifidev;
3695 skb->protocol = htons(ETH_P_802_2);
3696 skb->dev->last_rx = jiffies;
3697 skb->ip_summed = CHECKSUM_NONE;
3698 netif_rx( skb );
3699badrx:
3700 if (rxd.valid == 0) {
3701 rxd.valid = 1;
3702 rxd.rdy = 0;
3703 rxd.len = PKTSIZE;
3704 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3705 }
3706}
3707
3708static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3709{
3710 Cmd cmd;
3711 Resp rsp;
3712 int status;
3713 int i;
3714 SsidRid mySsid;
4293ea33 3715 __le16 lastindex;
1da177e4
LT		 3716 WepKeyRid wkr;
3717 int rc;
3718
3719 memset( &mySsid, 0, sizeof( mySsid ) );
b4558ea9
JJ		 3720 kfree (ai->flash);
3721 ai->flash = NULL;
1da177e4
LT		 3722
3723 /* The NOP is the first step in getting the card going */
3724 cmd.cmd = NOP;
3725 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3726 if (lock && down_interruptible(&ai->sem))
3727 return ERROR;
3728 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3729 if (lock)
3730 up(&ai->sem);
3731 return ERROR;
3732 }
3733 disable_MAC( ai, 0);
3734
3735 // Let's figure out if we need to use the AUX port
3736 if (!test_bit(FLAG_MPI,&ai->flags)) {
3737 cmd.cmd = CMD_ENABLEAUX;
3738 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3739 if (lock)
3740 up(&ai->sem);
934d8bf1 3741 airo_print_err(ai->dev->name, "Error checking for AUX port");
1da177e4
LT		 3742 return ERROR;
3743 }
3744 if (!aux_bap || rsp.status & 0xff00) {
3745 ai->bap_read = fast_bap_read;
934d8bf1 3746 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
1da177e4
LT		 3747 } else {
3748 ai->bap_read = aux_bap_read;
934d8bf1 3749 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
1da177e4
LT		 3750 }
3751 }
3752 if (lock)
3753 up(&ai->sem);
3754 if (ai->config.len == 0) {
3755 tdsRssiRid rssi_rid;
3756 CapabilityRid cap_rid;
3757
b4558ea9
JJ		 3758 kfree(ai->APList);
3759 ai->APList = NULL;
3760 kfree(ai->SSID);
3761 ai->SSID = NULL;
1da177e4
LT		 3762 // general configuration (read/modify/write)
3763 status = readConfigRid(ai, lock);
3764 if ( status != SUCCESS ) return ERROR;
3765
3766 status = readCapabilityRid(ai, &cap_rid, lock);
3767 if ( status != SUCCESS ) return ERROR;
3768
3769 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3770 if ( status == SUCCESS ) {
3771 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
41480af2 3772 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
1da177e4
LT		 3773 }
3774 else {
b4558ea9
JJ		 3775 kfree(ai->rssi);
3776 ai->rssi = NULL;
56d81bd3 3777 if (cap_rid.softCap & cpu_to_le16(8))
1da177e4
LT		 3778 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3779 else
934d8bf1
DW		 3780 airo_print_warn(ai->dev->name, "unknown received signal "
3781 "level scale");
1da177e4
LT		 3782 }
3783 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3784 ai->config.authType = AUTH_OPEN;
3785 ai->config.modulation = MOD_CCK;
3786
56d81bd3 3787 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
15617858 3788 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
56d81bd3 3789 micsetup(ai) == SUCCESS) {
1da177e4
LT		 3790 ai->config.opmode |= MODE_MIC;
3791 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3792 }
1da177e4
LT		 3793
3794 /* Save off the MAC */
3795 for( i = 0; i < ETH_ALEN; i++ ) {
3796 mac[i] = ai->config.macAddr[i];
3797 }
3798
3799 /* Check to see if there are any insmod configured
3800 rates to add */
3801 if ( rates[0] ) {
3802 int i = 0;
3803 memset(ai->config.rates,0,sizeof(ai->config.rates));
3804 for( i = 0; i < 8 && rates[i]; i++ ) {
3805 ai->config.rates[i] = rates[i];
3806 }
3807 }
3808 if ( basic_rate > 0 ) {
3809 int i;
3810 for( i = 0; i < 8; i++ ) {
3811 if ( ai->config.rates[i] == basic_rate ||
3812 !ai->config.rates ) {
3813 ai->config.rates[i] = basic_rate | 0x80;
3814 break;
3815 }
3816 }
3817 }
3818 set_bit (FLAG_COMMIT, &ai->flags);
3819 }
3820
3821 /* Setup the SSIDs if present */
3822 if ( ssids[0] ) {
3823 int i;
3824 for( i = 0; i < 3 && ssids[i]; i++ ) {
0dd2212f
AV		 3825 size_t len = strlen(ssids[i]);
3826 if (len > 32)
3827 len = 32;
3828 mySsid.ssids[i].len = cpu_to_le16(len);
3829 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
1da177e4 3830 }
0dd2212f 3831 mySsid.len = cpu_to_le16(sizeof(mySsid));
1da177e4
LT		 3832 }
3833
3834 status = writeConfigRid(ai, lock);
3835 if ( status != SUCCESS ) return ERROR;
3836
3837 /* Set up the SSID list */
3838 if ( ssids[0] ) {
3839 status = writeSsidRid(ai, &mySsid, lock);
3840 if ( status != SUCCESS ) return ERROR;
3841 }
3842
175ec1a1
MS		 3843 status = enable_MAC(ai, lock);
3844 if (status != SUCCESS)
1da177e4 3845 return ERROR;
1da177e4
LT		 3846
3847 /* Grab the initial wep key, we gotta save it for auto_wep */
3848 rc = readWepKeyRid(ai, &wkr, 1, lock);
3849 if (rc == SUCCESS) do {
3850 lastindex = wkr.kindex;
4293ea33 3851 if (wkr.kindex == cpu_to_le16(0xffff)) {
1da177e4
LT		 3852 ai->defindex = wkr.mac[0];
3853 }
3854 rc = readWepKeyRid(ai, &wkr, 0, lock);
3855 } while(lastindex != wkr.kindex);
3856
1c2b7db8 3857 try_auto_wep(ai);
1da177e4
LT		 3858
3859 return SUCCESS;
3860}
3861
3862static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3863 // Im really paranoid about letting it run forever!
3864 int max_tries = 600000;
3865
3866 if (IN4500(ai, EVSTAT) & EV_CMD)
3867 OUT4500(ai, EVACK, EV_CMD);
3868
3869 OUT4500(ai, PARAM0, pCmd->parm0);
3870 OUT4500(ai, PARAM1, pCmd->parm1);
3871 OUT4500(ai, PARAM2, pCmd->parm2);
3872 OUT4500(ai, COMMAND, pCmd->cmd);
3873
3874 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3875 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3876 // PC4500 didn't notice command, try again
3877 OUT4500(ai, COMMAND, pCmd->cmd);
3878 if (!in_atomic() && (max_tries & 255) == 0)
3879 schedule();
3880 }
3881
3882 if ( max_tries == -1 ) {
934d8bf1
DW		 3883 airo_print_err(ai->dev->name,
3884 "Max tries exceeded when issueing command");
1da177e4
LT		 3885 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3886 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3887 return ERROR;
3888 }
3889
3890 // command completed
3891 pRsp->status = IN4500(ai, STATUS);
3892 pRsp->rsp0 = IN4500(ai, RESP0);
3893 pRsp->rsp1 = IN4500(ai, RESP1);
3894 pRsp->rsp2 = IN4500(ai, RESP2);
13dca9b8
RS		 3895 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3896 airo_print_err(ai->dev->name,
3897 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3898 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3899 pRsp->rsp2);
1da177e4
LT		 3900
3901 // clear stuck command busy if necessary
3902 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3903 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3904 }
3905 // acknowledge processing the status/response
3906 OUT4500(ai, EVACK, EV_CMD);
3907
3908 return SUCCESS;
3909}
3910
3911/* Sets up the bap to start exchange data. whichbap should
3912 * be one of the BAP0 or BAP1 defines. Locks should be held before
3913 * calling! */
3914static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3915{
3916 int timeout = 50;
3917 int max_tries = 3;
3918
3919 OUT4500(ai, SELECT0+whichbap, rid);
3920 OUT4500(ai, OFFSET0+whichbap, offset);
3921 while (1) {
3922 int status = IN4500(ai, OFFSET0+whichbap);
3923 if (status & BAP_BUSY) {
3924 /* This isn't really a timeout, but its kinda
3925 close */
3926 if (timeout--) {
3927 continue;
3928 }
3929 } else if ( status & BAP_ERR ) {
3930 /* invalid rid or offset */
934d8bf1 3931 airo_print_err(ai->dev->name, "BAP error %x %d",
1da177e4
LT		 3932 status, whichbap );
3933 return ERROR;
3934 } else if (status & BAP_DONE) { // success
3935 return SUCCESS;
3936 }
3937 if ( !(max_tries--) ) {
934d8bf1 3938 airo_print_err(ai->dev->name,
1138c37b 3939 "BAP setup error too many retries\n");
1da177e4
LT		 3940 return ERROR;
3941 }
3942 // -- PC4500 missed it, try again
3943 OUT4500(ai, SELECT0+whichbap, rid);
3944 OUT4500(ai, OFFSET0+whichbap, offset);
3945 timeout = 50;
3946 }
3947}
3948
3949/* should only be called by aux_bap_read. This aux function and the
3950 following use concepts not documented in the developers guide. I
3951 got them from a patch given to my by Aironet */
3952static u16 aux_setup(struct airo_info *ai, u16 page,
3953 u16 offset, u16 *len)
3954{
3955 u16 next;
3956
3957 OUT4500(ai, AUXPAGE, page);
3958 OUT4500(ai, AUXOFF, 0);
3959 next = IN4500(ai, AUXDATA);
3960 *len = IN4500(ai, AUXDATA)&0xff;
3961 if (offset != 4) OUT4500(ai, AUXOFF, offset);
3962 return next;
3963}
3964
3965/* requires call to bap_setup() first */
b8c06bc1 3966static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
1da177e4
LT		 3967 int bytelen, int whichbap)
3968{
3969 u16 len;
3970 u16 page;
3971 u16 offset;
3972 u16 next;
3973 int words;
3974 int i;
3975 unsigned long flags;
3976
3977 spin_lock_irqsave(&ai->aux_lock, flags);
3978 page = IN4500(ai, SWS0+whichbap);
3979 offset = IN4500(ai, SWS2+whichbap);
3980 next = aux_setup(ai, page, offset, &len);
3981 words = (bytelen+1)>>1;
3982
3983 for (i=0; i<words;) {
3984 int count;
3985 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
3986 if ( !do8bitIO )
3987 insw( ai->dev->base_addr+DATA0+whichbap,
3988 pu16Dst+i,count );
3989 else
3990 insb( ai->dev->base_addr+DATA0+whichbap,
3991 pu16Dst+i, count << 1 );
3992 i += count;
3993 if (i<words) {
3994 next = aux_setup(ai, next, 4, &len);
3995 }
3996 }
3997 spin_unlock_irqrestore(&ai->aux_lock, flags);
3998 return SUCCESS;
3999}
4000
4001
4002/* requires call to bap_setup() first */
b8c06bc1 4003static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
1da177e4
LT		 4004 int bytelen, int whichbap)
4005{
4006 bytelen = (bytelen + 1) & (~1); // round up to even value
4007 if ( !do8bitIO )
4008 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4009 else
4010 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4011 return SUCCESS;
4012}
4013
4014/* requires call to bap_setup() first */
b8c06bc1 4015static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
1da177e4
LT		 4016 int bytelen, int whichbap)
4017{
4018 bytelen = (bytelen + 1) & (~1); // round up to even value
4019 if ( !do8bitIO )
4020 outsw( ai->dev->base_addr+DATA0+whichbap,
4021 pu16Src, bytelen>>1 );
4022 else
4023 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4024 return SUCCESS;
4025}
4026
4027static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4028{
4029 Cmd cmd; /* for issuing commands */
4030 Resp rsp; /* response from commands */
4031 u16 status;
4032
4033 memset(&cmd, 0, sizeof(cmd));
4034 cmd.cmd = accmd;
4035 cmd.parm0 = rid;
4036 status = issuecommand(ai, &cmd, &rsp);
4037 if (status != 0) return status;
4038 if ( (rsp.status & 0x7F00) != 0) {
4039 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4040 }
4041 return 0;
4042}
4043
4044/* Note, that we are using BAP1 which is also used by transmit, so
4045 * we must get a lock. */
4046static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4047{
4048 u16 status;
4049 int rc = SUCCESS;
4050
4051 if (lock) {
4052 if (down_interruptible(&ai->sem))
4053 return ERROR;
4054 }
4055 if (test_bit(FLAG_MPI,&ai->flags)) {
4056 Cmd cmd;
4057 Resp rsp;
4058
4059 memset(&cmd, 0, sizeof(cmd));
4060 memset(&rsp, 0, sizeof(rsp));
4061 ai->config_desc.rid_desc.valid = 1;
4062 ai->config_desc.rid_desc.len = RIDSIZE;
4063 ai->config_desc.rid_desc.rid = 0;
4064 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4065
4066 cmd.cmd = CMD_ACCESS;
4067 cmd.parm0 = rid;
4068
4069 memcpy_toio(ai->config_desc.card_ram_off,
4070 &ai->config_desc.rid_desc, sizeof(Rid));
4071
4072 rc = issuecommand(ai, &cmd, &rsp);
4073
4074 if (rsp.status & 0x7f00)
4075 rc = rsp.rsp0;
4076 if (!rc)
4077 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4078 goto done;
4079 } else {
4080 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4081 rc = status;
4082 goto done;
4083 }
4084 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4085 rc = ERROR;
4086 goto done;
4087 }
4088 // read the rid length field
4089 bap_read(ai, pBuf, 2, BAP1);
4090 // length for remaining part of rid
593c2b9c 4091 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
1da177e4
LT		 4092
4093 if ( len <= 2 ) {
934d8bf1
DW		 4094 airo_print_err(ai->dev->name,
4095 "Rid %x has a length of %d which is too short",
1da177e4
LT		 4096 (int)rid, (int)len );
4097 rc = ERROR;
4098 goto done;
4099 }
4100 // read remainder of the rid
b8c06bc1 4101 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
1da177e4
LT		 4102 }
4103done:
4104 if (lock)
4105 up(&ai->sem);
4106 return rc;
4107}
4108
4109/* Note, that we are using BAP1 which is also used by transmit, so
4110 * make sure this isnt called when a transmit is happening */
4111static int PC4500_writerid(struct airo_info *ai, u16 rid,
4112 const void *pBuf, int len, int lock)
4113{
4114 u16 status;
4115 int rc = SUCCESS;
4116
593c2b9c 4117 *(__le16*)pBuf = cpu_to_le16((u16)len);
1da177e4
LT		 4118
4119 if (lock) {
4120 if (down_interruptible(&ai->sem))
4121 return ERROR;
4122 }
4123 if (test_bit(FLAG_MPI,&ai->flags)) {
4124 Cmd cmd;
4125 Resp rsp;
4126
f89b2321 4127 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
934d8bf1
DW		 4128 airo_print_err(ai->dev->name,
4129 "%s: MAC should be disabled (rid=%04x)",
1da177e4
LT		 4130 __FUNCTION__, rid);
4131 memset(&cmd, 0, sizeof(cmd));
4132 memset(&rsp, 0, sizeof(rsp));
4133
4134 ai->config_desc.rid_desc.valid = 1;
4135 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4136 ai->config_desc.rid_desc.rid = 0;
4137
4138 cmd.cmd = CMD_WRITERID;
4139 cmd.parm0 = rid;
4140
4141 memcpy_toio(ai->config_desc.card_ram_off,
4142 &ai->config_desc.rid_desc, sizeof(Rid));
4143
4144 if (len < 4 || len > 2047) {
934d8bf1 4145 airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
1da177e4
LT		 4146 rc = -1;
4147 } else {
4148 memcpy((char *)ai->config_desc.virtual_host_addr,
4149 pBuf, len);
4150
4151 rc = issuecommand(ai, &cmd, &rsp);
4152 if ((rc & 0xff00) != 0) {
934d8bf1
DW		 4153 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4154 __FUNCTION__, rc);
4155 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4156 __FUNCTION__, cmd.cmd);
1da177e4
LT		 4157 }
4158
4159 if ((rsp.status & 0x7f00))
4160 rc = rsp.rsp0;
4161 }
4162 } else {
4163 // --- first access so that we can write the rid data
4164 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4165 rc = status;
4166 goto done;
4167 }
4168 // --- now write the rid data
4169 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4170 rc = ERROR;
4171 goto done;
4172 }
4173 bap_write(ai, pBuf, len, BAP1);
4174 // ---now commit the rid data
4175 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4176 }
4177done:
4178 if (lock)
4179 up(&ai->sem);
4180 return rc;
4181}
4182
4183/* Allocates a FID to be used for transmitting packets. We only use
4184 one for now. */
4185static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4186{
4187 unsigned int loop = 3000;
4188 Cmd cmd;
4189 Resp rsp;
4190 u16 txFid;
593c2b9c 4191 __le16 txControl;
1da177e4
LT		 4192
4193 cmd.cmd = CMD_ALLOCATETX;
4194 cmd.parm0 = lenPayload;
4195 if (down_interruptible(&ai->sem))
4196 return ERROR;
4197 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4198 txFid = ERROR;
4199 goto done;
4200 }
4201 if ( (rsp.status & 0xFF00) != 0) {
4202 txFid = ERROR;
4203 goto done;
4204 }
4205 /* wait for the allocate event/indication
4206 * It makes me kind of nervous that this can just sit here and spin,
4207 * but in practice it only loops like four times. */
4208 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4209 if (!loop) {
4210 txFid = ERROR;
4211 goto done;
4212 }
4213
4214 // get the allocated fid and acknowledge
4215 txFid = IN4500(ai, TXALLOCFID);
4216 OUT4500(ai, EVACK, EV_ALLOC);
4217
4218 /* The CARD is pretty cool since it converts the ethernet packet
4219 * into 802.11. Also note that we don't release the FID since we
4220 * will be using the same one over and over again. */
4221 /* We only have to setup the control once since we are not
4222 * releasing the fid. */
4223 if (raw)
4224 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4225 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4226 else
4227 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4228 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4229 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4230 txFid = ERROR;
4231 else
4232 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4233
4234done:
4235 up(&ai->sem);
4236
4237 return txFid;
4238}
4239
4240/* In general BAP1 is dedicated to transmiting packets. However,
4241 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4242 Make sure the BAP1 spinlock is held when this is called. */
4243static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4244{
593c2b9c 4245 __le16 payloadLen;
1da177e4
LT		 4246 Cmd cmd;
4247 Resp rsp;
4248 int miclen = 0;
4249 u16 txFid = len;
4250 MICBuffer pMic;
4251
4252 len >>= 16;
4253
4254 if (len <= ETH_ALEN * 2) {
934d8bf1 4255 airo_print_warn(ai->dev->name, "Short packet %d", len);
1da177e4
LT		 4256 return ERROR;
4257 }
4258 len -= ETH_ALEN * 2;
4259
1da177e4 4260 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
593c2b9c 4261 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
1da177e4
LT		 4262 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4263 return ERROR;
4264 miclen = sizeof(pMic);
4265 }
1da177e4
LT		 4266 // packet is destination[6], source[6], payload[len-12]
4267 // write the payload length and dst/src/payload
4268 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4269 /* The hardware addresses aren't counted as part of the payload, so
4270 * we have to subtract the 12 bytes for the addresses off */
4271 payloadLen = cpu_to_le16(len + miclen);
4272 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
b8c06bc1 4273 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
1da177e4 4274 if (miclen)
b8c06bc1
AV		 4275 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4276 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
1da177e4
LT		 4277 // issue the transmit command
4278 memset( &cmd, 0, sizeof( cmd ) );
4279 cmd.cmd = CMD_TRANSMIT;
4280 cmd.parm0 = txFid;
4281 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4282 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4283 return SUCCESS;
4284}
4285
4286static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4287{
593c2b9c 4288 __le16 fc, payloadLen;
1da177e4
LT		 4289 Cmd cmd;
4290 Resp rsp;
4291 int hdrlen;
977b143c
AV		 4292 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4293 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
1da177e4
LT		 4294 u16 txFid = len;
4295 len >>= 16;
1da177e4 4296
0300b332
AV		 4297 fc = *(__le16*)pPacket;
4298 hdrlen = header_len(fc);
1da177e4
LT		 4299
4300 if (len < hdrlen) {
934d8bf1 4301 airo_print_warn(ai->dev->name, "Short packet %d", len);
1da177e4
LT		 4302 return ERROR;
4303 }
4304
4305 /* packet is 802.11 header + payload
4306 * write the payload length and dst/src/payload */
4307 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4308 /* The 802.11 header aren't counted as part of the payload, so
4309 * we have to subtract the header bytes off */
4310 payloadLen = cpu_to_le16(len-hdrlen);
4311 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4312 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
b8c06bc1
AV		 4313 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4314 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
1da177e4 4315
b8c06bc1 4316 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
1da177e4
LT		 4317 // issue the transmit command
4318 memset( &cmd, 0, sizeof( cmd ) );
4319 cmd.cmd = CMD_TRANSMIT;
4320 cmd.parm0 = txFid;
4321 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4322 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4323 return SUCCESS;
4324}
4325
4326/*
4327 * This is the proc_fs routines. It is a bit messier than I would
4328 * like! Feel free to clean it up!
4329 */
4330
4331static ssize_t proc_read( struct file *file,
4332 char __user *buffer,
4333 size_t len,
4334 loff_t *offset);
4335
4336static ssize_t proc_write( struct file *file,
4337 const char __user *buffer,
4338 size_t len,
4339 loff_t *offset );
4340static int proc_close( struct inode *inode, struct file *file );
4341
4342static int proc_stats_open( struct inode *inode, struct file *file );
4343static int proc_statsdelta_open( struct inode *inode, struct file *file );
4344static int proc_status_open( struct inode *inode, struct file *file );
4345static int proc_SSID_open( struct inode *inode, struct file *file );
4346static int proc_APList_open( struct inode *inode, struct file *file );
4347static int proc_BSSList_open( struct inode *inode, struct file *file );
4348static int proc_config_open( struct inode *inode, struct file *file );
4349static int proc_wepkey_open( struct inode *inode, struct file *file );
4350
d54b1fdb 4351static const struct file_operations proc_statsdelta_ops = {
a95609cb 4352 .owner = THIS_MODULE,
1da177e4
LT		 4353 .read = proc_read,
4354 .open = proc_statsdelta_open,
4355 .release = proc_close
4356};
4357
d54b1fdb 4358static const struct file_operations proc_stats_ops = {
a95609cb 4359 .owner = THIS_MODULE,
1da177e4
LT		 4360 .read = proc_read,
4361 .open = proc_stats_open,
4362 .release = proc_close
4363};
4364
d54b1fdb 4365static const struct file_operations proc_status_ops = {
a95609cb 4366 .owner = THIS_MODULE,
1da177e4
LT		 4367 .read = proc_read,
4368 .open = proc_status_open,
4369 .release = proc_close
4370};
4371
d54b1fdb 4372static const struct file_operations proc_SSID_ops = {
a95609cb 4373 .owner = THIS_MODULE,
1da177e4
LT		 4374 .read = proc_read,
4375 .write = proc_write,
4376 .open = proc_SSID_open,
4377 .release = proc_close
4378};
4379
d54b1fdb 4380static const struct file_operations proc_BSSList_ops = {
a95609cb 4381 .owner = THIS_MODULE,
1da177e4
LT		 4382 .read = proc_read,
4383 .write = proc_write,
4384 .open = proc_BSSList_open,
4385 .release = proc_close
4386};
4387
d54b1fdb 4388static const struct file_operations proc_APList_ops = {
a95609cb 4389 .owner = THIS_MODULE,
1da177e4
LT		 4390 .read = proc_read,
4391 .write = proc_write,
4392 .open = proc_APList_open,
4393 .release = proc_close
4394};
4395
d54b1fdb 4396static const struct file_operations proc_config_ops = {
a95609cb 4397 .owner = THIS_MODULE,
1da177e4
LT		 4398 .read = proc_read,
4399 .write = proc_write,
4400 .open = proc_config_open,
4401 .release = proc_close
4402};
4403
d54b1fdb 4404static const struct file_operations proc_wepkey_ops = {
a95609cb 4405 .owner = THIS_MODULE,
1da177e4
LT		 4406 .read = proc_read,
4407 .write = proc_write,
4408 .open = proc_wepkey_open,
4409 .release = proc_close
4410};
4411
4412static struct proc_dir_entry *airo_entry;
4413
4414struct proc_data {
4415 int release_buffer;
4416 int readlen;
4417 char *rbuffer;
4418 int writelen;
4419 int maxwritelen;
4420 char *wbuffer;
4421 void (*on_close) (struct inode *, struct file *);
4422};
4423
1da177e4
LT		 4424static int setup_proc_entry( struct net_device *dev,
4425 struct airo_info *apriv ) {
4426 struct proc_dir_entry *entry;
4427 /* First setup the device directory */
4428 strcpy(apriv->proc_name,dev->name);
4429 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4430 S_IFDIR|airo_perm,
4431 airo_entry);
431aca5a
FM		 4432 if (!apriv->proc_entry)
4433 goto fail;
4434 apriv->proc_entry->uid = proc_uid;
4435 apriv->proc_entry->gid = proc_gid;
4436 apriv->proc_entry->owner = THIS_MODULE;
1da177e4
LT		 4437
4438 /* Setup the StatsDelta */
a95609cb
DL		 4439 entry = proc_create_data("StatsDelta",
4440 S_IFREG | (S_IRUGO&proc_perm),
4441 apriv->proc_entry, &proc_statsdelta_ops, dev);
431aca5a
FM		 4442 if (!entry)
4443 goto fail_stats_delta;
4444 entry->uid = proc_uid;
4445 entry->gid = proc_gid;
1da177e4
LT		 4446
4447 /* Setup the Stats */
a95609cb
DL		 4448 entry = proc_create_data("Stats",
4449 S_IFREG | (S_IRUGO&proc_perm),
4450 apriv->proc_entry, &proc_stats_ops, dev);
431aca5a
FM		 4451 if (!entry)
4452 goto fail_stats;
4453 entry->uid = proc_uid;
4454 entry->gid = proc_gid;
1da177e4
LT		 4455
4456 /* Setup the Status */
a95609cb
DL		 4457 entry = proc_create_data("Status",
4458 S_IFREG | (S_IRUGO&proc_perm),
4459 apriv->proc_entry, &proc_status_ops, dev);
431aca5a
FM		 4460 if (!entry)
4461 goto fail_status;
4462 entry->uid = proc_uid;
4463 entry->gid = proc_gid;
1da177e4
LT		 4464
4465 /* Setup the Config */
a95609cb
DL		 4466 entry = proc_create_data("Config",
4467 S_IFREG | proc_perm,
4468 apriv->proc_entry, &proc_config_ops, dev);
431aca5a
FM		 4469 if (!entry)
4470 goto fail_config;
4471 entry->uid = proc_uid;
4472 entry->gid = proc_gid;
1da177e4
LT		 4473
4474 /* Setup the SSID */
a95609cb
DL		 4475 entry = proc_create_data("SSID",
4476 S_IFREG | proc_perm,
4477 apriv->proc_entry, &proc_SSID_ops, dev);
431aca5a
FM		 4478 if (!entry)
4479 goto fail_ssid;
4480 entry->uid = proc_uid;
4481 entry->gid = proc_gid;
1da177e4
LT		 4482
4483 /* Setup the APList */
a95609cb
DL		 4484 entry = proc_create_data("APList",
4485 S_IFREG | proc_perm,
4486 apriv->proc_entry, &proc_APList_ops, dev);
431aca5a
FM		 4487 if (!entry)
4488 goto fail_aplist;
4489 entry->uid = proc_uid;
4490 entry->gid = proc_gid;
1da177e4
LT		 4491
4492 /* Setup the BSSList */
a95609cb
DL		 4493 entry = proc_create_data("BSSList",
4494 S_IFREG | proc_perm,
4495 apriv->proc_entry, &proc_BSSList_ops, dev);
431aca5a
FM		 4496 if (!entry)
4497 goto fail_bsslist;
1da177e4
LT		 4498 entry->uid = proc_uid;
4499 entry->gid = proc_gid;
1da177e4
LT		 4500
4501 /* Setup the WepKey */
a95609cb
DL		 4502 entry = proc_create_data("WepKey",
4503 S_IFREG | proc_perm,
4504 apriv->proc_entry, &proc_wepkey_ops, dev);
431aca5a
FM		 4505 if (!entry)
4506 goto fail_wepkey;
4507 entry->uid = proc_uid;
4508 entry->gid = proc_gid;
1da177e4
LT		 4509
4510 return 0;
431aca5a
FM		 4511
4512fail_wepkey:
4513 remove_proc_entry("BSSList", apriv->proc_entry);
4514fail_bsslist:
4515 remove_proc_entry("APList", apriv->proc_entry);
4516fail_aplist:
4517 remove_proc_entry("SSID", apriv->proc_entry);
4518fail_ssid:
4519 remove_proc_entry("Config", apriv->proc_entry);
4520fail_config:
4521 remove_proc_entry("Status", apriv->proc_entry);
4522fail_status:
4523 remove_proc_entry("Stats", apriv->proc_entry);
4524fail_stats:
4525 remove_proc_entry("StatsDelta", apriv->proc_entry);
4526fail_stats_delta:
4527 remove_proc_entry(apriv->proc_name, airo_entry);
4528fail:
4529 return -ENOMEM;
1da177e4
LT		 4530}
4531
4532static int takedown_proc_entry( struct net_device *dev,
4533 struct airo_info *apriv ) {
4534 if ( !apriv->proc_entry->namelen ) return 0;
4535 remove_proc_entry("Stats",apriv->proc_entry);
4536 remove_proc_entry("StatsDelta",apriv->proc_entry);
4537 remove_proc_entry("Status",apriv->proc_entry);
4538 remove_proc_entry("Config",apriv->proc_entry);
4539 remove_proc_entry("SSID",apriv->proc_entry);
4540 remove_proc_entry("APList",apriv->proc_entry);
4541 remove_proc_entry("BSSList",apriv->proc_entry);
4542 remove_proc_entry("WepKey",apriv->proc_entry);
4543 remove_proc_entry(apriv->proc_name,airo_entry);
4544 return 0;
4545}
4546
4547/*
4548 * What we want from the proc_fs is to be able to efficiently read
4549 * and write the configuration. To do this, we want to read the
4550 * configuration when the file is opened and write it when the file is
4551 * closed. So basically we allocate a read buffer at open and fill it
4552 * with data, and allocate a write buffer and read it at close.
4553 */
4554
4555/*
4556 * The read routine is generic, it relies on the preallocated rbuffer
4557 * to supply the data.
4558 */
4559static ssize_t proc_read( struct file *file,
4560 char __user *buffer,
4561 size_t len,
4562 loff_t *offset )
4563{
cc0d9ff2 4564 struct proc_data *priv = file->private_data;
1da177e4
LT		 4565
4566 if (!priv->rbuffer)
4567 return -EINVAL;
4568
cc0d9ff2
AM		 4569 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4570 priv->readlen);
1da177e4
LT		 4571}
4572
4573/*
4574 * The write routine is generic, it fills in a preallocated rbuffer
4575 * to supply the data.
4576 */
4577static ssize_t proc_write( struct file *file,
4578 const char __user *buffer,
4579 size_t len,
4580 loff_t *offset )
4581{
4582 loff_t pos = *offset;
4583 struct proc_data *priv = (struct proc_data*)file->private_data;
4584
4585 if (!priv->wbuffer)
4586 return -EINVAL;
4587
4588 if (pos < 0)
4589 return -EINVAL;
4590 if (pos >= priv->maxwritelen)
4591 return 0;
4592 if (len > priv->maxwritelen - pos)
4593 len = priv->maxwritelen - pos;
4594 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4595 return -EFAULT;
4596 if ( pos + len > priv->writelen )
4597 priv->writelen = len + file->f_pos;
4598 *offset = pos + len;
4599 return len;
4600}
4601
329e2c00
AV		 4602static int proc_status_open(struct inode *inode, struct file *file)
4603{
1da177e4
LT		 4604 struct proc_data *data;
4605 struct proc_dir_entry *dp = PDE(inode);
4606 struct net_device *dev = dp->data;
4607 struct airo_info *apriv = dev->priv;
4608 CapabilityRid cap_rid;
4609 StatusRid status_rid;
329e2c00 4610 u16 mode;
1da177e4
LT		 4611 int i;
4612
b69a3aa8 4613 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 4614 return -ENOMEM;
1da177e4
LT		 4615 data = (struct proc_data *)file->private_data;
4616 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4617 kfree (file->private_data);
4618 return -ENOMEM;
4619 }
4620
4621 readStatusRid(apriv, &status_rid, 1);
4622 readCapabilityRid(apriv, &cap_rid, 1);
4623
329e2c00
AV		 4624 mode = le16_to_cpu(status_rid.mode);
4625
1da177e4 4626 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
329e2c00
AV		 4627 mode & 1 ? "CFG ": "",
4628 mode & 2 ? "ACT ": "",
4629 mode & 0x10 ? "SYN ": "",
4630 mode & 0x20 ? "LNK ": "",
4631 mode & 0x40 ? "LEAP ": "",
4632 mode & 0x80 ? "PRIV ": "",
4633 mode & 0x100 ? "KEY ": "",
4634 mode & 0x200 ? "WEP ": "",
4635 mode & 0x8000 ? "ERR ": "");
1da177e4
LT		 4636 sprintf( data->rbuffer+i, "Mode: %x\n"
4637 "Signal Strength: %d\n"
4638 "Signal Quality: %d\n"
4639 "SSID: %-.*s\n"
4640 "AP: %-.16s\n"
4641 "Freq: %d\n"
4642 "BitRate: %dmbs\n"
4643 "Driver Version: %s\n"
4644 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4645 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4646 "Software Version: %x\nSoftware Subversion: %x\n"
4647 "Boot block version: %x\n",
329e2c00
AV		 4648 le16_to_cpu(status_rid.mode),
4649 le16_to_cpu(status_rid.normalizedSignalStrength),
4650 le16_to_cpu(status_rid.signalQuality),
4651 le16_to_cpu(status_rid.SSIDlen),
1da177e4
LT		 4652 status_rid.SSID,
4653 status_rid.apName,
329e2c00
AV		 4654 le16_to_cpu(status_rid.channel),
4655 le16_to_cpu(status_rid.currentXmitRate) / 2,
1da177e4
LT		 4656 version,
4657 cap_rid.prodName,
4658 cap_rid.manName,
4659 cap_rid.prodVer,
56d81bd3
AV		 4660 le16_to_cpu(cap_rid.radioType),
4661 le16_to_cpu(cap_rid.country),
4662 le16_to_cpu(cap_rid.hardVer),
4663 le16_to_cpu(cap_rid.softVer),
4664 le16_to_cpu(cap_rid.softSubVer),
4665 le16_to_cpu(cap_rid.bootBlockVer));
1da177e4
LT		 4666 data->readlen = strlen( data->rbuffer );
4667 return 0;
4668}
4669
4670static int proc_stats_rid_open(struct inode*, struct file*, u16);
4671static int proc_statsdelta_open( struct inode *inode,
4672 struct file *file ) {
4673 if (file->f_mode&FMODE_WRITE) {
4674 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4675 }
4676 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4677}
4678
4679static int proc_stats_open( struct inode *inode, struct file *file ) {
4680 return proc_stats_rid_open(inode, file, RID_STATS);
4681}
4682
4683static int proc_stats_rid_open( struct inode *inode,
4684 struct file *file,
a23ace5f
AV		 4685 u16 rid )
4686{
1da177e4
LT		 4687 struct proc_data *data;
4688 struct proc_dir_entry *dp = PDE(inode);
4689 struct net_device *dev = dp->data;
4690 struct airo_info *apriv = dev->priv;
4691 StatsRid stats;
4692 int i, j;
a23ace5f
AV		 4693 __le32 *vals = stats.vals;
4694 int len = le16_to_cpu(stats.len);
1da177e4 4695
b69a3aa8 4696 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 4697 return -ENOMEM;
1da177e4
LT		 4698 data = (struct proc_data *)file->private_data;
4699 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4700 kfree (file->private_data);
4701 return -ENOMEM;
4702 }
4703
4704 readStatsRid(apriv, &stats, rid, 1);
4705
4706 j = 0;
a23ace5f 4707 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
1da177e4
LT		 4708 if (!statsLabels[i]) continue;
4709 if (j+strlen(statsLabels[i])+16>4096) {
934d8bf1
DW		 4710 airo_print_warn(apriv->dev->name,
4711 "Potentially disasterous buffer overflow averted!");
1da177e4
LT		 4712 break;
4713 }
a23ace5f
AV		 4714 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4715 le32_to_cpu(vals[i]));
1da177e4 4716 }
a23ace5f 4717 if (i*4 >= len) {
934d8bf1 4718 airo_print_warn(apriv->dev->name, "Got a short rid");
1da177e4
LT		 4719 }
4720 data->readlen = j;
4721 return 0;
4722}
4723
4724static int get_dec_u16( char *buffer, int *start, int limit ) {
4725 u16 value;
4726 int valid = 0;
4727 for( value = 0; buffer[*start] >= '0' &&
4728 buffer[*start] <= '9' &&
4729 *start < limit; (*start)++ ) {
4730 valid = 1;
4731 value *= 10;
4732 value += buffer[*start] - '0';
4733 }
4734 if ( !valid ) return -1;
4735 return value;
4736}
4737
4738static int airo_config_commit(struct net_device *dev,
4739 struct iw_request_info *info, void *zwrq,
4740 char *extra);
4741
3eb9b41f
AV		 4742static inline int sniffing_mode(struct airo_info *ai)
4743{
4744 return le16_to_cpu(ai->config.rmode & RXMODE_MASK) >=
4745 le16_to_cpu(RXMODE_RFMON);
4746}
4747
4748static void proc_config_on_close(struct inode *inode, struct file *file)
4749{
1da177e4
LT		 4750 struct proc_data *data = file->private_data;
4751 struct proc_dir_entry *dp = PDE(inode);
4752 struct net_device *dev = dp->data;
4753 struct airo_info *ai = dev->priv;
4754 char *line;
4755
4756 if ( !data->writelen ) return;
4757
4758 readConfigRid(ai, 1);
4759 set_bit (FLAG_COMMIT, &ai->flags);
4760
4761 line = data->wbuffer;
4762 while( line[0] ) {
4763/*** Mode processing */
4764 if ( !strncmp( line, "Mode: ", 6 ) ) {
4765 line += 6;
3eb9b41f
AV		 4766 if (sniffing_mode(ai))
4767 set_bit (FLAG_RESET, &ai->flags);
4768 ai->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4 4769 clear_bit (FLAG_802_11, &ai->flags);
3eb9b41f 4770 ai->config.opmode &= ~MODE_CFG_MASK;
1da177e4
LT		 4771 ai->config.scanMode = SCANMODE_ACTIVE;
4772 if ( line[0] == 'a' ) {
3eb9b41f 4773 ai->config.opmode |= MODE_STA_IBSS;
1da177e4 4774 } else {
3eb9b41f 4775 ai->config.opmode |= MODE_STA_ESS;
1da177e4
LT		 4776 if ( line[0] == 'r' ) {
4777 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4778 ai->config.scanMode = SCANMODE_PASSIVE;
4779 set_bit (FLAG_802_11, &ai->flags);
4780 } else if ( line[0] == 'y' ) {
4781 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4782 ai->config.scanMode = SCANMODE_PASSIVE;
4783 set_bit (FLAG_802_11, &ai->flags);
4784 } else if ( line[0] == 'l' )
4785 ai->config.rmode |= RXMODE_LANMON;
4786 }
4787 set_bit (FLAG_COMMIT, &ai->flags);
4788 }
4789
4790/*** Radio status */
4791 else if (!strncmp(line,"Radio: ", 7)) {
4792 line += 7;
4793 if (!strncmp(line,"off",3)) {
4794 set_bit (FLAG_RADIO_OFF, &ai->flags);
4795 } else {
4796 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4797 }
4798 }
4799/*** NodeName processing */
4800 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4801 int j;
4802
4803 line += 10;
4804 memset( ai->config.nodeName, 0, 16 );
4805/* Do the name, assume a space between the mode and node name */
4806 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4807 ai->config.nodeName[j] = line[j];
4808 }
4809 set_bit (FLAG_COMMIT, &ai->flags);
4810 }
4811
4812/*** PowerMode processing */
4813 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4814 line += 11;
4815 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4816 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4817 set_bit (FLAG_COMMIT, &ai->flags);
4818 } else if ( !strncmp( line, "PSP", 3 ) ) {
4819 ai->config.powerSaveMode = POWERSAVE_PSP;
4820 set_bit (FLAG_COMMIT, &ai->flags);
4821 } else {
4822 ai->config.powerSaveMode = POWERSAVE_CAM;
4823 set_bit (FLAG_COMMIT, &ai->flags);
4824 }
4825 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4826 int v, i = 0, k = 0; /* i is index into line,
4827 k is index to rates */
4828
4829 line += 11;
4830 while((v = get_dec_u16(line, &i, 3))!=-1) {
4831 ai->config.rates[k++] = (u8)v;
4832 line += i + 1;
4833 i = 0;
4834 }
4835 set_bit (FLAG_COMMIT, &ai->flags);
4836 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4837 int v, i = 0;
4838 line += 9;
4839 v = get_dec_u16(line, &i, i+3);
4840 if ( v != -1 ) {
3eb9b41f 4841 ai->config.channelSet = cpu_to_le16(v);
1da177e4
LT		 4842 set_bit (FLAG_COMMIT, &ai->flags);
4843 }
4844 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4845 int v, i = 0;
4846 line += 11;
4847 v = get_dec_u16(line, &i, i+3);
4848 if ( v != -1 ) {
3eb9b41f 4849 ai->config.txPower = cpu_to_le16(v);
1da177e4
LT		 4850 set_bit (FLAG_COMMIT, &ai->flags);
4851 }
4852 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4853 line += 5;
4854 switch( line[0] ) {
4855 case 's':
3eb9b41f 4856 ai->config.authType = AUTH_SHAREDKEY;
1da177e4
LT		 4857 break;
4858 case 'e':
3eb9b41f 4859 ai->config.authType = AUTH_ENCRYPT;
1da177e4
LT		 4860 break;
4861 default:
3eb9b41f 4862 ai->config.authType = AUTH_OPEN;
1da177e4
LT		 4863 break;
4864 }
4865 set_bit (FLAG_COMMIT, &ai->flags);
4866 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4867 int v, i = 0;
4868
4869 line += 16;
4870 v = get_dec_u16(line, &i, 3);
4871 v = (v<0) ? 0 : ((v>255) ? 255 : v);
3eb9b41f 4872 ai->config.longRetryLimit = cpu_to_le16(v);
1da177e4
LT		 4873 set_bit (FLAG_COMMIT, &ai->flags);
4874 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4875 int v, i = 0;
4876
4877 line += 17;
4878 v = get_dec_u16(line, &i, 3);
4879 v = (v<0) ? 0 : ((v>255) ? 255 : v);
3eb9b41f 4880 ai->config.shortRetryLimit = cpu_to_le16(v);
1da177e4
LT		 4881 set_bit (FLAG_COMMIT, &ai->flags);
4882 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4883 int v, i = 0;
4884
4885 line += 14;
4886 v = get_dec_u16(line, &i, 4);
15db2763 4887 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
3eb9b41f 4888 ai->config.rtsThres = cpu_to_le16(v);
1da177e4
LT		 4889 set_bit (FLAG_COMMIT, &ai->flags);
4890 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4891 int v, i = 0;
4892
4893 line += 16;
4894 v = get_dec_u16(line, &i, 5);
4895 v = (v<0) ? 0 : v;
3eb9b41f 4896 ai->config.txLifetime = cpu_to_le16(v);
1da177e4
LT		 4897 set_bit (FLAG_COMMIT, &ai->flags);
4898 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4899 int v, i = 0;
4900
4901 line += 16;
4902 v = get_dec_u16(line, &i, 5);
4903 v = (v<0) ? 0 : v;
3eb9b41f 4904 ai->config.rxLifetime = cpu_to_le16(v);
1da177e4
LT		 4905 set_bit (FLAG_COMMIT, &ai->flags);
4906 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4907 ai->config.txDiversity =
4908 (line[13]=='l') ? 1 :
4909 ((line[13]=='r')? 2: 3);
4910 set_bit (FLAG_COMMIT, &ai->flags);
4911 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4912 ai->config.rxDiversity =
4913 (line[13]=='l') ? 1 :
4914 ((line[13]=='r')? 2: 3);
4915 set_bit (FLAG_COMMIT, &ai->flags);
4916 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4917 int v, i = 0;
4918
4919 line += 15;
4920 v = get_dec_u16(line, &i, 4);
15db2763 4921 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
1da177e4 4922 v = v & 0xfffe; /* Make sure its even */
3eb9b41f 4923 ai->config.fragThresh = cpu_to_le16(v);
1da177e4
LT		 4924 set_bit (FLAG_COMMIT, &ai->flags);
4925 } else if (!strncmp(line, "Modulation: ", 12)) {
4926 line += 12;
4927 switch(*line) {
4928 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4929 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4930 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
934d8bf1 4931 default: airo_print_warn(ai->dev->name, "Unknown modulation");
1da177e4
LT		 4932 }
4933 } else if (!strncmp(line, "Preamble: ", 10)) {
4934 line += 10;
4935 switch(*line) {
4936 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4937 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4938 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
934d8bf1 4939 default: airo_print_warn(ai->dev->name, "Unknown preamble");
1da177e4
LT		 4940 }
4941 } else {
934d8bf1 4942 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
1da177e4
LT		 4943 }
4944 while( line[0] && line[0] != '\n' ) line++;
4945 if ( line[0] ) line++;
4946 }
4947 airo_config_commit(dev, NULL, NULL, NULL);
4948}
4949
3eb9b41f
AV		 4950static char *get_rmode(__le16 mode)
4951{
4952 switch(mode & RXMODE_MASK) {
1da177e4
LT		 4953 case RXMODE_RFMON: return "rfmon";
4954 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
4955 case RXMODE_LANMON: return "lanmon";
4956 }
4957 return "ESS";
4958}
4959
3eb9b41f
AV		 4960static int proc_config_open(struct inode *inode, struct file *file)
4961{
1da177e4
LT		 4962 struct proc_data *data;
4963 struct proc_dir_entry *dp = PDE(inode);
4964 struct net_device *dev = dp->data;
4965 struct airo_info *ai = dev->priv;
4966 int i;
3eb9b41f 4967 __le16 mode;
1da177e4 4968
b69a3aa8 4969 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 4970 return -ENOMEM;
1da177e4
LT		 4971 data = (struct proc_data *)file->private_data;
4972 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4973 kfree (file->private_data);
4974 return -ENOMEM;
4975 }
b69a3aa8 4976 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
1da177e4
LT		 4977 kfree (data->rbuffer);
4978 kfree (file->private_data);
4979 return -ENOMEM;
4980 }
1da177e4
LT		 4981 data->maxwritelen = 2048;
4982 data->on_close = proc_config_on_close;
4983
4984 readConfigRid(ai, 1);
4985
3eb9b41f 4986 mode = ai->config.opmode & MODE_CFG_MASK;
1da177e4
LT		 4987 i = sprintf( data->rbuffer,
4988 "Mode: %s\n"
4989 "Radio: %s\n"
4990 "NodeName: %-16s\n"
4991 "PowerMode: %s\n"
4992 "DataRates: %d %d %d %d %d %d %d %d\n"
4993 "Channel: %d\n"
4994 "XmitPower: %d\n",
3eb9b41f
AV		 4995 mode == MODE_STA_IBSS ? "adhoc" :
4996 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
4997 mode == MODE_AP ? "AP" :
4998 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
1da177e4
LT		 4999 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5000 ai->config.nodeName,
3eb9b41f
AV		 5001 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5002 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5003 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5004 "Error",
1da177e4
LT		 5005 (int)ai->config.rates[0],
5006 (int)ai->config.rates[1],
5007 (int)ai->config.rates[2],
5008 (int)ai->config.rates[3],
5009 (int)ai->config.rates[4],
5010 (int)ai->config.rates[5],
5011 (int)ai->config.rates[6],
5012 (int)ai->config.rates[7],
3eb9b41f
AV		 5013 le16_to_cpu(ai->config.channelSet),
5014 le16_to_cpu(ai->config.txPower)
1da177e4
LT		 5015 );
5016 sprintf( data->rbuffer + i,
5017 "LongRetryLimit: %d\n"
5018 "ShortRetryLimit: %d\n"
5019 "RTSThreshold: %d\n"
5020 "TXMSDULifetime: %d\n"
5021 "RXMSDULifetime: %d\n"
5022 "TXDiversity: %s\n"
5023 "RXDiversity: %s\n"
5024 "FragThreshold: %d\n"
5025 "WEP: %s\n"
5026 "Modulation: %s\n"
5027 "Preamble: %s\n",
3eb9b41f
AV		 5028 le16_to_cpu(ai->config.longRetryLimit),
5029 le16_to_cpu(ai->config.shortRetryLimit),
5030 le16_to_cpu(ai->config.rtsThres),
5031 le16_to_cpu(ai->config.txLifetime),
5032 le16_to_cpu(ai->config.rxLifetime),
1da177e4
LT		 5033 ai->config.txDiversity == 1 ? "left" :
5034 ai->config.txDiversity == 2 ? "right" : "both",
5035 ai->config.rxDiversity == 1 ? "left" :
5036 ai->config.rxDiversity == 2 ? "right" : "both",
3eb9b41f 5037 le16_to_cpu(ai->config.fragThresh),
1da177e4
LT		 5038 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5039 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
3eb9b41f 5040 ai->config.modulation == MOD_DEFAULT ? "default" :
1da177e4
LT		 5041 ai->config.modulation == MOD_CCK ? "cck" :
5042 ai->config.modulation == MOD_MOK ? "mok" : "error",
5043 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5044 ai->config.preamble == PREAMBLE_LONG ? "long" :
5045 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5046 );
5047 data->readlen = strlen( data->rbuffer );
5048 return 0;
5049}
5050
0dd2212f
AV		 5051static void proc_SSID_on_close(struct inode *inode, struct file *file)
5052{
1da177e4
LT		 5053 struct proc_data *data = (struct proc_data *)file->private_data;
5054 struct proc_dir_entry *dp = PDE(inode);
5055 struct net_device *dev = dp->data;
5056 struct airo_info *ai = dev->priv;
5057 SsidRid SSID_rid;
1da177e4 5058 int i;
0dd2212f
AV		 5059 char *p = data->wbuffer;
5060 char *end = p + data->writelen;
1da177e4 5061
0dd2212f
AV		 5062 if (!data->writelen)
5063 return;
1da177e4 5064
0dd2212f 5065 *end = '\n'; /* sentinel; we have space for it */
1da177e4 5066
0dd2212f
AV		 5067 memset(&SSID_rid, 0, sizeof(SSID_rid));
5068
5069 for (i = 0; i < 3 && p < end; i++) {
5070 int j = 0;
5071 /* copy up to 32 characters from this line */
5072 while (*p != '\n' && j < 32)
5073 SSID_rid.ssids[i].ssid[j++] = *p++;
5074 if (j == 0)
5075 break;
5076 SSID_rid.ssids[i].len = cpu_to_le16(j);
5077 /* skip to the beginning of the next line */
5078 while (*p++ != '\n')
5079 ;
1da177e4
LT		 5080 }
5081 if (i)
0dd2212f 5082 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
1da177e4
LT		 5083 disable_MAC(ai, 1);
5084 writeSsidRid(ai, &SSID_rid, 1);
175ec1a1 5085 enable_MAC(ai, 1);
1da177e4
LT		 5086}
5087
77933d72 5088static inline u8 hexVal(char c) {
1da177e4
LT		 5089 if (c>='0' && c<='9') return c -= '0';
5090 if (c>='a' && c<='f') return c -= 'a'-10;
5091 if (c>='A' && c<='F') return c -= 'A'-10;
5092 return 0;
5093}
5094
5095static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5096 struct proc_data *data = (struct proc_data *)file->private_data;
5097 struct proc_dir_entry *dp = PDE(inode);
5098 struct net_device *dev = dp->data;
5099 struct airo_info *ai = dev->priv;
5100 APListRid APList_rid;
1da177e4
LT		 5101 int i;
5102
5103 if ( !data->writelen ) return;
5104
5105 memset( &APList_rid, 0, sizeof(APList_rid) );
a749716e 5106 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
1da177e4
LT		 5107
5108 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5109 int j;
5110 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5111 switch(j%3) {
5112 case 0:
5113 APList_rid.ap[i][j/3]=
5114 hexVal(data->wbuffer[j+i*6*3])<<4;
5115 break;
5116 case 1:
5117 APList_rid.ap[i][j/3]|=
5118 hexVal(data->wbuffer[j+i*6*3]);
5119 break;
5120 }
5121 }
5122 }
5123 disable_MAC(ai, 1);
5124 writeAPListRid(ai, &APList_rid, 1);
175ec1a1 5125 enable_MAC(ai, 1);
1da177e4
LT		 5126}
5127
5128/* This function wraps PC4500_writerid with a MAC disable */
5129static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5130 int len, int dummy ) {
5131 int rc;
1da177e4
LT		 5132
5133 disable_MAC(ai, 1);
5134 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
175ec1a1 5135 enable_MAC(ai, 1);
1da177e4
LT		 5136 return rc;
5137}
5138
5139/* Returns the length of the key at the index. If index == 0xffff
5140 * the index of the transmit key is returned. If the key doesn't exist,
5141 * -1 will be returned.
5142 */
5143static int get_wep_key(struct airo_info *ai, u16 index) {
5144 WepKeyRid wkr;
5145 int rc;
4293ea33 5146 __le16 lastindex;
1da177e4
LT		 5147
5148 rc = readWepKeyRid(ai, &wkr, 1, 1);
5149 if (rc == SUCCESS) do {
5150 lastindex = wkr.kindex;
4293ea33 5151 if (wkr.kindex == cpu_to_le16(index)) {
1da177e4
LT		 5152 if (index == 0xffff) {
5153 return wkr.mac[0];
5154 }
4293ea33 5155 return le16_to_cpu(wkr.klen);
1da177e4
LT		 5156 }
5157 readWepKeyRid(ai, &wkr, 0, 1);
4293ea33 5158 } while (lastindex != wkr.kindex);
1da177e4
LT		 5159 return -1;
5160}
5161
5162static int set_wep_key(struct airo_info *ai, u16 index,
4293ea33
AV		 5163 const char *key, u16 keylen, int perm, int lock )
5164{
1da177e4
LT		 5165 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5166 WepKeyRid wkr;
1da177e4
LT		 5167
5168 memset(&wkr, 0, sizeof(wkr));
5169 if (keylen == 0) {
5170// We are selecting which key to use
4293ea33
AV		 5171 wkr.len = cpu_to_le16(sizeof(wkr));
5172 wkr.kindex = cpu_to_le16(0xffff);
1da177e4 5173 wkr.mac[0] = (char)index;
1da177e4
LT		 5174 if (perm) ai->defindex = (char)index;
5175 } else {
5176// We are actually setting the key
4293ea33
AV		 5177 wkr.len = cpu_to_le16(sizeof(wkr));
5178 wkr.kindex = cpu_to_le16(index);
5179 wkr.klen = cpu_to_le16(keylen);
1da177e4
LT		 5180 memcpy( wkr.key, key, keylen );
5181 memcpy( wkr.mac, macaddr, ETH_ALEN );
1da177e4
LT		 5182 }
5183
f89b2321 5184 if (perm) disable_MAC(ai, lock);
1da177e4 5185 writeWepKeyRid(ai, &wkr, perm, lock);
175ec1a1 5186 if (perm) enable_MAC(ai, lock);
1da177e4
LT		 5187 return 0;
5188}
5189
5190static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5191 struct proc_data *data;
5192 struct proc_dir_entry *dp = PDE(inode);
5193 struct net_device *dev = dp->data;
5194 struct airo_info *ai = dev->priv;
5195 int i;
5196 char key[16];
5197 u16 index = 0;
5198 int j = 0;
5199
5200 memset(key, 0, sizeof(key));
5201
5202 data = (struct proc_data *)file->private_data;
5203 if ( !data->writelen ) return;
5204
5205 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5206 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5207 index = data->wbuffer[0] - '0';
5208 if (data->wbuffer[1] == '\n') {
5209 set_wep_key(ai, index, NULL, 0, 1, 1);
5210 return;
5211 }
5212 j = 2;
5213 } else {
934d8bf1 5214 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
1da177e4
LT		 5215 return;
5216 }
5217
5218 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5219 switch(i%3) {
5220 case 0:
5221 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5222 break;
5223 case 1:
5224 key[i/3] |= hexVal(data->wbuffer[i+j]);
5225 break;
5226 }
5227 }
5228 set_wep_key(ai, index, key, i/3, 1, 1);
5229}
5230
4293ea33
AV		 5231static int proc_wepkey_open( struct inode *inode, struct file *file )
5232{
1da177e4
LT		 5233 struct proc_data *data;
5234 struct proc_dir_entry *dp = PDE(inode);
5235 struct net_device *dev = dp->data;
5236 struct airo_info *ai = dev->priv;
5237 char *ptr;
5238 WepKeyRid wkr;
4293ea33 5239 __le16 lastindex;
1da177e4
LT		 5240 int j=0;
5241 int rc;
5242
b69a3aa8 5243 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5244 return -ENOMEM;
1da177e4
LT		 5245 memset(&wkr, 0, sizeof(wkr));
5246 data = (struct proc_data *)file->private_data;
b69a3aa8 5247 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5248 kfree (file->private_data);
5249 return -ENOMEM;
5250 }
1da177e4
LT		 5251 data->writelen = 0;
5252 data->maxwritelen = 80;
b69a3aa8 5253 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5254 kfree (data->rbuffer);
5255 kfree (file->private_data);
5256 return -ENOMEM;
5257 }
1da177e4
LT		 5258 data->on_close = proc_wepkey_on_close;
5259
5260 ptr = data->rbuffer;
5261 strcpy(ptr, "No wep keys\n");
5262 rc = readWepKeyRid(ai, &wkr, 1, 1);
5263 if (rc == SUCCESS) do {
5264 lastindex = wkr.kindex;
4293ea33 5265 if (wkr.kindex == cpu_to_le16(0xffff)) {
1da177e4
LT		 5266 j += sprintf(ptr+j, "Tx key = %d\n",
5267 (int)wkr.mac[0]);
5268 } else {
5269 j += sprintf(ptr+j, "Key %d set with length = %d\n",
4293ea33
AV		 5270 le16_to_cpu(wkr.kindex),
5271 le16_to_cpu(wkr.klen));
1da177e4
LT		 5272 }
5273 readWepKeyRid(ai, &wkr, 0, 1);
5274 } while((lastindex != wkr.kindex) && (j < 180-30));
5275
5276 data->readlen = strlen( data->rbuffer );
5277 return 0;
5278}
5279
0dd2212f
AV		 5280static int proc_SSID_open(struct inode *inode, struct file *file)
5281{
1da177e4
LT		 5282 struct proc_data *data;
5283 struct proc_dir_entry *dp = PDE(inode);
5284 struct net_device *dev = dp->data;
5285 struct airo_info *ai = dev->priv;
5286 int i;
5287 char *ptr;
5288 SsidRid SSID_rid;
5289
b69a3aa8 5290 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5291 return -ENOMEM;
1da177e4
LT		 5292 data = (struct proc_data *)file->private_data;
5293 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5294 kfree (file->private_data);
5295 return -ENOMEM;
5296 }
5297 data->writelen = 0;
5298 data->maxwritelen = 33*3;
0dd2212f
AV		 5299 /* allocate maxwritelen + 1; we'll want a sentinel */
5300 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
1da177e4
LT		 5301 kfree (data->rbuffer);
5302 kfree (file->private_data);
5303 return -ENOMEM;
5304 }
1da177e4
LT		 5305 data->on_close = proc_SSID_on_close;
5306
5307 readSsidRid(ai, &SSID_rid);
5308 ptr = data->rbuffer;
0dd2212f 5309 for (i = 0; i < 3; i++) {
1da177e4 5310 int j;
0dd2212f
AV		 5311 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5312 if (!len)
5313 break;
5314 if (len > 32)
5315 len = 32;
5316 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
1da177e4 5317 *ptr++ = SSID_rid.ssids[i].ssid[j];
1da177e4
LT		 5318 *ptr++ = '\n';
5319 }
5320 *ptr = '\0';
5321 data->readlen = strlen( data->rbuffer );
5322 return 0;
5323}
5324
5325static int proc_APList_open( struct inode *inode, struct file *file ) {
5326 struct proc_data *data;
5327 struct proc_dir_entry *dp = PDE(inode);
5328 struct net_device *dev = dp->data;
5329 struct airo_info *ai = dev->priv;
5330 int i;
5331 char *ptr;
5332 APListRid APList_rid;
0795af57 5333 DECLARE_MAC_BUF(mac);
1da177e4 5334
b69a3aa8 5335 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5336 return -ENOMEM;
1da177e4
LT		 5337 data = (struct proc_data *)file->private_data;
5338 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5339 kfree (file->private_data);
5340 return -ENOMEM;
5341 }
5342 data->writelen = 0;
5343 data->maxwritelen = 4*6*3;
b69a3aa8 5344 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5345 kfree (data->rbuffer);
5346 kfree (file->private_data);
5347 return -ENOMEM;
5348 }
1da177e4
LT		 5349 data->on_close = proc_APList_on_close;
5350
5351 readAPListRid(ai, &APList_rid);
5352 ptr = data->rbuffer;
5353 for( i = 0; i < 4; i++ ) {
5354// We end when we find a zero MAC
5355 if ( !*(int*)APList_rid.ap[i] &&
5356 !*(int*)&APList_rid.ap[i][2]) break;
0795af57
JP		 5357 ptr += sprintf(ptr, "%s\n",
5358 print_mac(mac, APList_rid.ap[i]));
1da177e4
LT		 5359 }
5360 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5361
5362 *ptr = '\0';
5363 data->readlen = strlen( data->rbuffer );
5364 return 0;
5365}
5366
5367static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5368 struct proc_data *data;
5369 struct proc_dir_entry *dp = PDE(inode);
5370 struct net_device *dev = dp->data;
5371 struct airo_info *ai = dev->priv;
5372 char *ptr;
5373 BSSListRid BSSList_rid;
5374 int rc;
5375 /* If doLoseSync is not 1, we won't do a Lose Sync */
5376 int doLoseSync = -1;
0795af57 5377 DECLARE_MAC_BUF(mac);
1da177e4 5378
b69a3aa8 5379 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5380 return -ENOMEM;
1da177e4
LT		 5381 data = (struct proc_data *)file->private_data;
5382 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5383 kfree (file->private_data);
5384 return -ENOMEM;
5385 }
5386 data->writelen = 0;
5387 data->maxwritelen = 0;
5388 data->wbuffer = NULL;
5389 data->on_close = NULL;
5390
5391 if (file->f_mode & FMODE_WRITE) {
5392 if (!(file->f_mode & FMODE_READ)) {
5393 Cmd cmd;
5394 Resp rsp;
5395
5396 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5397 memset(&cmd, 0, sizeof(cmd));
5398 cmd.cmd=CMD_LISTBSS;
5399 if (down_interruptible(&ai->sem))
5400 return -ERESTARTSYS;
5401 issuecommand(ai, &cmd, &rsp);
5402 up(&ai->sem);
5403 data->readlen = 0;
5404 return 0;
5405 }
5406 doLoseSync = 1;
5407 }
5408 ptr = data->rbuffer;
5409 /* There is a race condition here if there are concurrent opens.
5410 Since it is a rare condition, we'll just live with it, otherwise
5411 we have to add a spin lock... */
5412 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
17e70491 5413 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
0795af57
JP		 5414 ptr += sprintf(ptr, "%s %*s rssi = %d",
5415 print_mac(mac, BSSList_rid.bssid),
1da177e4
LT		 5416 (int)BSSList_rid.ssidLen,
5417 BSSList_rid.ssid,
17e70491 5418 le16_to_cpu(BSSList_rid.dBm));
1da177e4 5419 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
17e70491 5420 le16_to_cpu(BSSList_rid.dsChannel),
1da177e4
LT		 5421 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5422 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5423 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5424 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5425 rc = readBSSListRid(ai, 0, &BSSList_rid);
5426 }
5427 *ptr = '\0';
5428 data->readlen = strlen( data->rbuffer );
5429 return 0;
5430}
5431
5432static int proc_close( struct inode *inode, struct file *file )
5433{
b4558ea9
JJ		 5434 struct proc_data *data = file->private_data;
5435
5436 if (data->on_close != NULL)
5437 data->on_close(inode, file);
5438 kfree(data->rbuffer);
5439 kfree(data->wbuffer);
5440 kfree(data);
1da177e4
LT		 5441 return 0;
5442}
5443
1da177e4
LT		 5444/* Since the card doesn't automatically switch to the right WEP mode,
5445 we will make it do it. If the card isn't associated, every secs we
5446 will switch WEP modes to see if that will help. If the card is
5447 associated we will check every minute to see if anything has
5448 changed. */
5449static void timer_func( struct net_device *dev ) {
5450 struct airo_info *apriv = dev->priv;
1da177e4
LT		 5451
5452/* We don't have a link so try changing the authtype */
5453 readConfigRid(apriv, 0);
5454 disable_MAC(apriv, 0);
5455 switch(apriv->config.authType) {
5456 case AUTH_ENCRYPT:
5457/* So drop to OPEN */
5458 apriv->config.authType = AUTH_OPEN;
5459 break;
5460 case AUTH_SHAREDKEY:
5461 if (apriv->keyindex < auto_wep) {
5462 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5463 apriv->config.authType = AUTH_SHAREDKEY;
5464 apriv->keyindex++;
5465 } else {
5466 /* Drop to ENCRYPT */
5467 apriv->keyindex = 0;
5468 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5469 apriv->config.authType = AUTH_ENCRYPT;
5470 }
5471 break;
5472 default: /* We'll escalate to SHAREDKEY */
5473 apriv->config.authType = AUTH_SHAREDKEY;
5474 }
5475 set_bit (FLAG_COMMIT, &apriv->flags);
5476 writeConfigRid(apriv, 0);
175ec1a1 5477 enable_MAC(apriv, 0);
1da177e4
LT		 5478 up(&apriv->sem);
5479
5480/* Schedule check to see if the change worked */
3c304956 5481 clear_bit(JOB_AUTOWEP, &apriv->jobs);
1da177e4
LT		 5482 apriv->expires = RUN_AT(HZ*3);
5483}
5484
1da177e4
LT		 5485#ifdef CONFIG_PCI
5486static int __devinit airo_pci_probe(struct pci_dev *pdev,
5487 const struct pci_device_id *pent)
5488{
5489 struct net_device *dev;
5490
5491 if (pci_enable_device(pdev))
5492 return -ENODEV;
5493 pci_set_master(pdev);
5494
5495 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5496 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5497 else
5498 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
777ec5e9
MS		 5499 if (!dev) {
5500 pci_disable_device(pdev);
1da177e4 5501 return -ENODEV;
777ec5e9 5502 }
1da177e4
LT		 5503
5504 pci_set_drvdata(pdev, dev);
5505 return 0;
5506}
5507
5508static void __devexit airo_pci_remove(struct pci_dev *pdev)
5509{
af5b5c9a
MS		 5510 struct net_device *dev = pci_get_drvdata(pdev);
5511
5512 airo_print_info(dev->name, "Unregistering...");
5513 stop_airo_card(dev, 1);
777ec5e9
MS		 5514 pci_disable_device(pdev);
5515 pci_set_drvdata(pdev, NULL);
1da177e4
LT		 5516}
5517
05adc3b7 5518static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
1da177e4
LT		 5519{
5520 struct net_device *dev = pci_get_drvdata(pdev);
5521 struct airo_info *ai = dev->priv;
5522 Cmd cmd;
5523 Resp rsp;
5524
5525 if ((ai->APList == NULL) &&
5526 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5527 return -ENOMEM;
5528 if ((ai->SSID == NULL) &&
5529 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5530 return -ENOMEM;
5531 readAPListRid(ai, ai->APList);
5532 readSsidRid(ai, ai->SSID);
5533 memset(&cmd, 0, sizeof(cmd));
5534 /* the lock will be released at the end of the resume callback */
5535 if (down_interruptible(&ai->sem))
5536 return -EAGAIN;
5537 disable_MAC(ai, 0);
5538 netif_device_detach(dev);
5539 ai->power = state;
5540 cmd.cmd=HOSTSLEEP;
5541 issuecommand(ai, &cmd, &rsp);
5542
1cc68ae0 5543 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
1da177e4 5544 pci_save_state(pdev);
1cc68ae0 5545 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
1da177e4
LT		 5546}
5547
5548static int airo_pci_resume(struct pci_dev *pdev)
5549{
5550 struct net_device *dev = pci_get_drvdata(pdev);
5551 struct airo_info *ai = dev->priv;
53232803 5552 pci_power_t prev_state = pdev->current_state;
1da177e4 5553
53232803 5554 pci_set_power_state(pdev, PCI_D0);
1da177e4 5555 pci_restore_state(pdev);
53232803 5556 pci_enable_wake(pdev, PCI_D0, 0);
1da177e4 5557
53232803 5558 if (prev_state != PCI_D1) {
1da177e4
LT		 5559 reset_card(dev, 0);
5560 mpi_init_descriptors(ai);
5561 setup_card(ai, dev->dev_addr, 0);
5562 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5563 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5564 } else {
5565 OUT4500(ai, EVACK, EV_AWAKEN);
5566 OUT4500(ai, EVACK, EV_AWAKEN);
5567 msleep(100);
5568 }
5569
5570 set_bit (FLAG_COMMIT, &ai->flags);
5571 disable_MAC(ai, 0);
5572 msleep(200);
5573 if (ai->SSID) {
5574 writeSsidRid(ai, ai->SSID, 0);
5575 kfree(ai->SSID);
5576 ai->SSID = NULL;
5577 }
5578 if (ai->APList) {
5579 writeAPListRid(ai, ai->APList, 0);
5580 kfree(ai->APList);
5581 ai->APList = NULL;
5582 }
5583 writeConfigRid(ai, 0);
175ec1a1 5584 enable_MAC(ai, 0);
1cc68ae0 5585 ai->power = PMSG_ON;
1da177e4
LT		 5586 netif_device_attach(dev);
5587 netif_wake_queue(dev);
5588 enable_interrupts(ai);
5589 up(&ai->sem);
5590 return 0;
5591}
5592#endif
5593
5594static int __init airo_init_module( void )
5595{
de897881
JG		 5596 int i;
5597#if 0
5598 int have_isa_dev = 0;
5599#endif
1da177e4 5600
928b4d8c 5601 airo_entry = create_proc_entry("driver/aironet",
1da177e4 5602 S_IFDIR | airo_perm,
928b4d8c 5603 NULL);
de897881
JG		 5604
5605 if (airo_entry) {
5606 airo_entry->uid = proc_uid;
5607 airo_entry->gid = proc_gid;
5608 }
1da177e4
LT		 5609
5610 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
934d8bf1
DW		 5611 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5612 "io=0x%x", irq[i], io[i] );
1da177e4 5613 if (init_airo_card( irq[i], io[i], 0, NULL ))
de897881 5614#if 0
1da177e4 5615 have_isa_dev = 1;
de897881
JG		 5616#else
5617 /* do nothing */ ;
5618#endif
1da177e4
LT		 5619 }
5620
5621#ifdef CONFIG_PCI
934d8bf1 5622 airo_print_info("", "Probing for PCI adapters");
de897881 5623 i = pci_register_driver(&airo_driver);
934d8bf1 5624 airo_print_info("", "Finished probing for PCI adapters");
de897881
JG		 5625
5626 if (i) {
928b4d8c 5627 remove_proc_entry("driver/aironet", NULL);
de897881
JG		 5628 return i;
5629 }
1da177e4
LT		 5630#endif
5631
5632 /* Always exit with success, as we are a library module
5633 * as well as a driver module
5634 */
5635 return 0;
5636}
5637
5638static void __exit airo_cleanup_module( void )
5639{
af5b5c9a
MS		 5640 struct airo_info *ai;
5641 while(!list_empty(&airo_devices)) {
5642 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5643 airo_print_info(ai->dev->name, "Unregistering...");
5644 stop_airo_card(ai->dev, 1);
1da177e4
LT		 5645 }
5646#ifdef CONFIG_PCI
5647 pci_unregister_driver(&airo_driver);
5648#endif
928b4d8c 5649 remove_proc_entry("driver/aironet", NULL);
1da177e4
LT		 5650}
5651
1da177e4
LT		 5652/*
5653 * Initial Wireless Extension code for Aironet driver by :
5654 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5655 * Conversion to new driver API by :
5656 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5657 * Javier also did a good amount of work here, adding some new extensions
5658 * and fixing my code. Let's just say that without him this code just
5659 * would not work at all... - Jean II
5660 */
5661
41480af2
DW		 5662static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5663{
5664 if( !rssi_rid )
5665 return 0;
5666
5667 return (0x100 - rssi_rid[rssi].rssidBm);
5668}
5669
5670static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5671{
5672 int i;
5673
5674 if( !rssi_rid )
5675 return 0;
5676
5677 for( i = 0; i < 256; i++ )
5678 if (rssi_rid[i].rssidBm == dbm)
5679 return rssi_rid[i].rssipct;
5680
5681 return 0;
5682}
5683
5684
1da177e4
LT		 5685static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5686{
5687 int quality = 0;
329e2c00 5688 u16 sq;
1da177e4 5689
329e2c00 5690 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
56d81bd3
AV		 5691 return 0;
5692
5693 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5694 return 0;
5695
329e2c00 5696 sq = le16_to_cpu(status_rid->signalQuality);
56d81bd3 5697 if (memcmp(cap_rid->prodName, "350", 3))
329e2c00 5698 if (sq > 0x20)
56d81bd3 5699 quality = 0;
1da177e4 5700 else
329e2c00 5701 quality = 0x20 - sq;
56d81bd3 5702 else
329e2c00 5703 if (sq > 0xb0)
56d81bd3 5704 quality = 0;
329e2c00 5705 else if (sq < 0x10)
56d81bd3
AV		 5706 quality = 0xa0;
5707 else
329e2c00 5708 quality = 0xb0 - sq;
1da177e4
LT		 5709 return quality;
5710}
5711
5712#define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5713#define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5714
5715/*------------------------------------------------------------------*/
5716/*
5717 * Wireless Handler : get protocol name
5718 */
5719static int airo_get_name(struct net_device *dev,
5720 struct iw_request_info *info,
5721 char *cwrq,
5722 char *extra)
5723{
5724 strcpy(cwrq, "IEEE 802.11-DS");
5725 return 0;
5726}
5727
5728/*------------------------------------------------------------------*/
5729/*
5730 * Wireless Handler : set frequency
5731 */
5732static int airo_set_freq(struct net_device *dev,
5733 struct iw_request_info *info,
5734 struct iw_freq *fwrq,
5735 char *extra)
5736{
5737 struct airo_info *local = dev->priv;
5738 int rc = -EINPROGRESS; /* Call commit handler */
5739
5740 /* If setting by frequency, convert to a channel */
5741 if((fwrq->e == 1) &&
5742 (fwrq->m >= (int) 2.412e8) &&
5743 (fwrq->m <= (int) 2.487e8)) {
5744 int f = fwrq->m / 100000;
5745 int c = 0;
5746 while((c < 14) && (f != frequency_list[c]))
5747 c++;
5748 /* Hack to fall through... */
5749 fwrq->e = 0;
5750 fwrq->m = c + 1;
5751 }
5752 /* Setting by channel number */
5753 if((fwrq->m > 1000) || (fwrq->e > 0))
5754 rc = -EOPNOTSUPP;
5755 else {
5756 int channel = fwrq->m;
5757 /* We should do a better check than that,
5758 * based on the card capability !!! */
2610c733 5759 if((channel < 1) || (channel > 14)) {
934d8bf1
DW		 5760 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5761 fwrq->m);
1da177e4
LT		 5762 rc = -EINVAL;
5763 } else {
5764 readConfigRid(local, 1);
5765 /* Yes ! We can set it !!! */
3eb9b41f 5766 local->config.channelSet = cpu_to_le16(channel);
1da177e4
LT		 5767 set_bit (FLAG_COMMIT, &local->flags);
5768 }
5769 }
5770 return rc;
5771}
5772
5773/*------------------------------------------------------------------*/
5774/*
5775 * Wireless Handler : get frequency
5776 */
5777static int airo_get_freq(struct net_device *dev,
5778 struct iw_request_info *info,
5779 struct iw_freq *fwrq,
5780 char *extra)
5781{
5782 struct airo_info *local = dev->priv;
5783 StatusRid status_rid; /* Card status info */
2610c733 5784 int ch;
1da177e4
LT		 5785
5786 readConfigRid(local, 1);
3eb9b41f
AV		 5787 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5788 status_rid.channel = local->config.channelSet;
1da177e4
LT		 5789 else
5790 readStatusRid(local, &status_rid, 1);
5791
329e2c00 5792 ch = le16_to_cpu(status_rid.channel);
2610c733
JA		 5793 if((ch > 0) && (ch < 15)) {
5794 fwrq->m = frequency_list[ch - 1] * 100000;
1da177e4 5795 fwrq->e = 1;
2610c733
JA		 5796 } else {
5797 fwrq->m = ch;
5798 fwrq->e = 0;
1da177e4 5799 }
1da177e4
LT		 5800
5801 return 0;
5802}
5803
5804/*------------------------------------------------------------------*/
5805/*
5806 * Wireless Handler : set ESSID
5807 */
5808static int airo_set_essid(struct net_device *dev,
5809 struct iw_request_info *info,
5810 struct iw_point *dwrq,
5811 char *extra)
5812{
5813 struct airo_info *local = dev->priv;
1da177e4
LT		 5814 SsidRid SSID_rid; /* SSIDs */
5815
5816 /* Reload the list of current SSID */
5817 readSsidRid(local, &SSID_rid);
5818
5819 /* Check if we asked for `any' */
5820 if(dwrq->flags == 0) {
5821 /* Just send an empty SSID list */
5822 memset(&SSID_rid, 0, sizeof(SSID_rid));
5823 } else {
5824 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5825
5826 /* Check the size of the string */
7f8544cc 5827 if(dwrq->length > IW_ESSID_MAX_SIZE) {
1da177e4
LT		 5828 return -E2BIG ;
5829 }
5830 /* Check if index is valid */
5831 if((index < 0) || (index >= 4)) {
5832 return -EINVAL;
5833 }
5834
5835 /* Set the SSID */
5836 memset(SSID_rid.ssids[index].ssid, 0,
5837 sizeof(SSID_rid.ssids[index].ssid));
5838 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
0dd2212f 5839 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
1da177e4 5840 }
0dd2212f 5841 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
1da177e4
LT		 5842 /* Write it to the card */
5843 disable_MAC(local, 1);
5844 writeSsidRid(local, &SSID_rid, 1);
175ec1a1 5845 enable_MAC(local, 1);
1da177e4
LT		 5846
5847 return 0;
5848}
5849
5850/*------------------------------------------------------------------*/
5851/*
5852 * Wireless Handler : get ESSID
5853 */
5854static int airo_get_essid(struct net_device *dev,
5855 struct iw_request_info *info,
5856 struct iw_point *dwrq,
5857 char *extra)
5858{
5859 struct airo_info *local = dev->priv;
5860 StatusRid status_rid; /* Card status info */
5861
5862 readStatusRid(local, &status_rid, 1);
5863
5864 /* Note : if dwrq->flags != 0, we should
5865 * get the relevant SSID from the SSID list... */
5866
5867 /* Get the current SSID */
329e2c00 5868 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
1da177e4
LT		 5869 /* If none, we may want to get the one that was set */
5870
5871 /* Push it out ! */
329e2c00 5872 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
1da177e4
LT		 5873 dwrq->flags = 1; /* active */
5874
5875 return 0;
5876}
5877
5878/*------------------------------------------------------------------*/
5879/*
5880 * Wireless Handler : set AP address
5881 */
5882static int airo_set_wap(struct net_device *dev,
5883 struct iw_request_info *info,
5884 struct sockaddr *awrq,
5885 char *extra)
5886{
5887 struct airo_info *local = dev->priv;
5888 Cmd cmd;
5889 Resp rsp;
5890 APListRid APList_rid;
4be757dd
DW		 5891 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5892 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
1da177e4
LT		 5893
5894 if (awrq->sa_family != ARPHRD_ETHER)
5895 return -EINVAL;
4be757dd
DW		 5896 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5897 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
1da177e4
LT		 5898 memset(&cmd, 0, sizeof(cmd));
5899 cmd.cmd=CMD_LOSE_SYNC;
5900 if (down_interruptible(&local->sem))
5901 return -ERESTARTSYS;
5902 issuecommand(local, &cmd, &rsp);
5903 up(&local->sem);
5904 } else {
5905 memset(&APList_rid, 0, sizeof(APList_rid));
a749716e 5906 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
1da177e4
LT		 5907 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5908 disable_MAC(local, 1);
5909 writeAPListRid(local, &APList_rid, 1);
175ec1a1 5910 enable_MAC(local, 1);
1da177e4
LT		 5911 }
5912 return 0;
5913}
5914
5915/*------------------------------------------------------------------*/
5916/*
5917 * Wireless Handler : get AP address
5918 */
5919static int airo_get_wap(struct net_device *dev,
5920 struct iw_request_info *info,
5921 struct sockaddr *awrq,
5922 char *extra)
5923{
5924 struct airo_info *local = dev->priv;
5925 StatusRid status_rid; /* Card status info */
5926
5927 readStatusRid(local, &status_rid, 1);
5928
5929 /* Tentative. This seems to work, wow, I'm lucky !!! */
5930 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5931 awrq->sa_family = ARPHRD_ETHER;
5932
5933 return 0;
5934}
5935
5936/*------------------------------------------------------------------*/
5937/*
5938 * Wireless Handler : set Nickname
5939 */
5940static int airo_set_nick(struct net_device *dev,
5941 struct iw_request_info *info,
5942 struct iw_point *dwrq,
5943 char *extra)
5944{
5945 struct airo_info *local = dev->priv;
5946
5947 /* Check the size of the string */
7f8544cc 5948 if(dwrq->length > 16) {
1da177e4
LT		 5949 return -E2BIG;
5950 }
5951 readConfigRid(local, 1);
5952 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
5953 memcpy(local->config.nodeName, extra, dwrq->length);
5954 set_bit (FLAG_COMMIT, &local->flags);
5955
5956 return -EINPROGRESS; /* Call commit handler */
5957}
5958
5959/*------------------------------------------------------------------*/
5960/*
5961 * Wireless Handler : get Nickname
5962 */
5963static int airo_get_nick(struct net_device *dev,
5964 struct iw_request_info *info,
5965 struct iw_point *dwrq,
5966 char *extra)
5967{
5968 struct airo_info *local = dev->priv;
5969
5970 readConfigRid(local, 1);
5971 strncpy(extra, local->config.nodeName, 16);
5972 extra[16] = '\0';
7f8544cc 5973 dwrq->length = strlen(extra);
1da177e4
LT		 5974
5975 return 0;
5976}
5977
5978/*------------------------------------------------------------------*/
5979/*
5980 * Wireless Handler : set Bit-Rate
5981 */
5982static int airo_set_rate(struct net_device *dev,
5983 struct iw_request_info *info,
5984 struct iw_param *vwrq,
5985 char *extra)
5986{
5987 struct airo_info *local = dev->priv;
5988 CapabilityRid cap_rid; /* Card capability info */
5989 u8 brate = 0;
5990 int i;
5991
5992 /* First : get a valid bit rate value */
5993 readCapabilityRid(local, &cap_rid, 1);
5994
5995 /* Which type of value ? */
5996 if((vwrq->value < 8) && (vwrq->value >= 0)) {
5997 /* Setting by rate index */
5998 /* Find value in the magic rate table */
5999 brate = cap_rid.supportedRates[vwrq->value];
6000 } else {
6001 /* Setting by frequency value */
6002 u8 normvalue = (u8) (vwrq->value/500000);
6003
6004 /* Check if rate is valid */
6005 for(i = 0 ; i < 8 ; i++) {
6006 if(normvalue == cap_rid.supportedRates[i]) {
6007 brate = normvalue;
6008 break;
6009 }
6010 }
6011 }
6012 /* -1 designed the max rate (mostly auto mode) */
6013 if(vwrq->value == -1) {
6014 /* Get the highest available rate */
6015 for(i = 0 ; i < 8 ; i++) {
6016 if(cap_rid.supportedRates[i] == 0)
6017 break;
6018 }
6019 if(i != 0)
6020 brate = cap_rid.supportedRates[i - 1];
6021 }
6022 /* Check that it is valid */
6023 if(brate == 0) {
6024 return -EINVAL;
6025 }
6026
6027 readConfigRid(local, 1);
6028 /* Now, check if we want a fixed or auto value */
6029 if(vwrq->fixed == 0) {
6030 /* Fill all the rates up to this max rate */
6031 memset(local->config.rates, 0, 8);
6032 for(i = 0 ; i < 8 ; i++) {
6033 local->config.rates[i] = cap_rid.supportedRates[i];
6034 if(local->config.rates[i] == brate)
6035 break;
6036 }
6037 } else {
6038 /* Fixed mode */
6039 /* One rate, fixed */
6040 memset(local->config.rates, 0, 8);
6041 local->config.rates[0] = brate;
6042 }
6043 set_bit (FLAG_COMMIT, &local->flags);
6044
6045 return -EINPROGRESS; /* Call commit handler */
6046}
6047
6048/*------------------------------------------------------------------*/
6049/*
6050 * Wireless Handler : get Bit-Rate
6051 */
6052static int airo_get_rate(struct net_device *dev,
6053 struct iw_request_info *info,
6054 struct iw_param *vwrq,
6055 char *extra)
6056{
6057 struct airo_info *local = dev->priv;
6058 StatusRid status_rid; /* Card status info */
6059
6060 readStatusRid(local, &status_rid, 1);
6061
329e2c00 6062 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
1da177e4
LT		 6063 /* If more than one rate, set auto */
6064 readConfigRid(local, 1);
6065 vwrq->fixed = (local->config.rates[1] == 0);
6066
6067 return 0;
6068}
6069
6070/*------------------------------------------------------------------*/
6071/*
6072 * Wireless Handler : set RTS threshold
6073 */
6074static int airo_set_rts(struct net_device *dev,
6075 struct iw_request_info *info,
6076 struct iw_param *vwrq,
6077 char *extra)
6078{
6079 struct airo_info *local = dev->priv;
6080 int rthr = vwrq->value;
6081
6082 if(vwrq->disabled)
15db2763
DW		 6083 rthr = AIRO_DEF_MTU;
6084 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
1da177e4
LT		 6085 return -EINVAL;
6086 }
6087 readConfigRid(local, 1);
3eb9b41f 6088 local->config.rtsThres = cpu_to_le16(rthr);
1da177e4
LT		 6089 set_bit (FLAG_COMMIT, &local->flags);
6090
6091 return -EINPROGRESS; /* Call commit handler */
6092}
6093
6094/*------------------------------------------------------------------*/
6095/*
6096 * Wireless Handler : get RTS threshold
6097 */
6098static int airo_get_rts(struct net_device *dev,
6099 struct iw_request_info *info,
6100 struct iw_param *vwrq,
6101 char *extra)
6102{
6103 struct airo_info *local = dev->priv;
6104
6105 readConfigRid(local, 1);
3eb9b41f 6106 vwrq->value = le16_to_cpu(local->config.rtsThres);
15db2763 6107 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
1da177e4
LT		 6108 vwrq->fixed = 1;
6109
6110 return 0;
6111}
6112
6113/*------------------------------------------------------------------*/
6114/*
6115 * Wireless Handler : set Fragmentation threshold
6116 */
6117static int airo_set_frag(struct net_device *dev,
6118 struct iw_request_info *info,
6119 struct iw_param *vwrq,
6120 char *extra)
6121{
6122 struct airo_info *local = dev->priv;
6123 int fthr = vwrq->value;
6124
6125 if(vwrq->disabled)
15db2763
DW		 6126 fthr = AIRO_DEF_MTU;
6127 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
1da177e4
LT		 6128 return -EINVAL;
6129 }
6130 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6131 readConfigRid(local, 1);
3eb9b41f 6132 local->config.fragThresh = cpu_to_le16(fthr);
1da177e4
LT		 6133 set_bit (FLAG_COMMIT, &local->flags);
6134
6135 return -EINPROGRESS; /* Call commit handler */
6136}
6137
6138/*------------------------------------------------------------------*/
6139/*
6140 * Wireless Handler : get Fragmentation threshold
6141 */
6142static int airo_get_frag(struct net_device *dev,
6143 struct iw_request_info *info,
6144 struct iw_param *vwrq,
6145 char *extra)
6146{
6147 struct airo_info *local = dev->priv;
6148
6149 readConfigRid(local, 1);
3eb9b41f 6150 vwrq->value = le16_to_cpu(local->config.fragThresh);
15db2763 6151 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
1da177e4
LT		 6152 vwrq->fixed = 1;
6153
6154 return 0;
6155}
6156
6157/*------------------------------------------------------------------*/
6158/*
6159 * Wireless Handler : set Mode of Operation
6160 */
6161static int airo_set_mode(struct net_device *dev,
6162 struct iw_request_info *info,
6163 __u32 *uwrq,
6164 char *extra)
6165{
6166 struct airo_info *local = dev->priv;
6167 int reset = 0;
6168
6169 readConfigRid(local, 1);
3eb9b41f 6170 if (sniffing_mode(local))
1da177e4
LT		 6171 reset = 1;
6172
6173 switch(*uwrq) {
6174 case IW_MODE_ADHOC:
3eb9b41f 6175 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6176 local->config.opmode |= MODE_STA_IBSS;
3eb9b41f 6177 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6178 local->config.scanMode = SCANMODE_ACTIVE;
6179 clear_bit (FLAG_802_11, &local->flags);
6180 break;
6181 case IW_MODE_INFRA:
3eb9b41f 6182 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6183 local->config.opmode |= MODE_STA_ESS;
3eb9b41f 6184 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6185 local->config.scanMode = SCANMODE_ACTIVE;
6186 clear_bit (FLAG_802_11, &local->flags);
6187 break;
6188 case IW_MODE_MASTER:
3eb9b41f 6189 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6190 local->config.opmode |= MODE_AP;
3eb9b41f 6191 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6192 local->config.scanMode = SCANMODE_ACTIVE;
6193 clear_bit (FLAG_802_11, &local->flags);
6194 break;
6195 case IW_MODE_REPEAT:
3eb9b41f 6196 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6197 local->config.opmode |= MODE_AP_RPTR;
3eb9b41f 6198 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6199 local->config.scanMode = SCANMODE_ACTIVE;
6200 clear_bit (FLAG_802_11, &local->flags);
6201 break;
6202 case IW_MODE_MONITOR:
3eb9b41f 6203 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6204 local->config.opmode |= MODE_STA_ESS;
3eb9b41f 6205 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6206 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6207 local->config.scanMode = SCANMODE_PASSIVE;
6208 set_bit (FLAG_802_11, &local->flags);
6209 break;
6210 default:
6211 return -EINVAL;
6212 }
6213 if (reset)
6214 set_bit (FLAG_RESET, &local->flags);
6215 set_bit (FLAG_COMMIT, &local->flags);
6216
6217 return -EINPROGRESS; /* Call commit handler */
6218}
6219
6220/*------------------------------------------------------------------*/
6221/*
6222 * Wireless Handler : get Mode of Operation
6223 */
6224static int airo_get_mode(struct net_device *dev,
6225 struct iw_request_info *info,
6226 __u32 *uwrq,
6227 char *extra)
6228{
6229 struct airo_info *local = dev->priv;
6230
6231 readConfigRid(local, 1);
6232 /* If not managed, assume it's ad-hoc */
3eb9b41f 6233 switch (local->config.opmode & MODE_CFG_MASK) {
1da177e4
LT		 6234 case MODE_STA_ESS:
6235 *uwrq = IW_MODE_INFRA;
6236 break;
6237 case MODE_AP:
6238 *uwrq = IW_MODE_MASTER;
6239 break;
6240 case MODE_AP_RPTR:
6241 *uwrq = IW_MODE_REPEAT;
6242 break;
6243 default:
6244 *uwrq = IW_MODE_ADHOC;
6245 }
6246
6247 return 0;
6248}
6249
56d81bd3
AV		 6250static inline int valid_index(CapabilityRid *p, int index)
6251{
6252 if (index < 0)
6253 return 0;
6254 return index < (p->softCap & cpu_to_le16(0x80) ? 4 : 1);
6255}
6256
1da177e4
LT		 6257/*------------------------------------------------------------------*/
6258/*
6259 * Wireless Handler : set Encryption Key
6260 */
6261static int airo_set_encode(struct net_device *dev,
6262 struct iw_request_info *info,
6263 struct iw_point *dwrq,
6264 char *extra)
6265{
6266 struct airo_info *local = dev->priv;
6267 CapabilityRid cap_rid; /* Card capability info */
f89b2321 6268 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
3eb9b41f 6269 __le16 currentAuthType = local->config.authType;
1da177e4
LT		 6270
6271 /* Is WEP supported ? */
6272 readCapabilityRid(local, &cap_rid, 1);
6273 /* Older firmware doesn't support this...
56d81bd3 6274 if(!(cap_rid.softCap & cpu_to_le16(2))) {
1da177e4
LT		 6275 return -EOPNOTSUPP;
6276 } */
6277 readConfigRid(local, 1);
6278
6279 /* Basic checking: do we have a key to set ?
6280 * Note : with the new API, it's impossible to get a NULL pointer.
6281 * Therefore, we need to check a key size == 0 instead.
6282 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6283 * when no key is present (only change flags), but older versions
6284 * don't do it. - Jean II */
6285 if (dwrq->length > 0) {
6286 wep_key_t key;
6287 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6288 int current_index = get_wep_key(local, 0xffff);
6289 /* Check the size of the key */
6290 if (dwrq->length > MAX_KEY_SIZE) {
6291 return -EINVAL;
6292 }
6293 /* Check the index (none -> use current) */
56d81bd3 6294 if (!valid_index(&cap_rid, index))
1da177e4
LT		 6295 index = current_index;
6296 /* Set the length */
6297 if (dwrq->length > MIN_KEY_SIZE)
6298 key.len = MAX_KEY_SIZE;
6299 else
6300 if (dwrq->length > 0)
6301 key.len = MIN_KEY_SIZE;
6302 else
6303 /* Disable the key */
6304 key.len = 0;
6305 /* Check if the key is not marked as invalid */
6306 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6307 /* Cleanup */
6308 memset(key.key, 0, MAX_KEY_SIZE);
6309 /* Copy the key in the driver */
6310 memcpy(key.key, extra, dwrq->length);
6311 /* Send the key to the card */
f89b2321 6312 set_wep_key(local, index, key.key, key.len, perm, 1);
1da177e4
LT		 6313 }
6314 /* WE specify that if a valid key is set, encryption
6315 * should be enabled (user may turn it off later)
6316 * This is also how "iwconfig ethX key on" works */
6317 if((index == current_index) && (key.len > 0) &&
6318 (local->config.authType == AUTH_OPEN)) {
6319 local->config.authType = AUTH_ENCRYPT;
1da177e4
LT		 6320 }
6321 } else {
6322 /* Do we want to just set the transmit key index ? */
6323 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
56d81bd3 6324 if (valid_index(&cap_rid, index)) {
f89b2321 6325 set_wep_key(local, index, NULL, 0, perm, 1);
1da177e4
LT		 6326 } else
6327 /* Don't complain if only change the mode */
93a3b607 6328 if (!(dwrq->flags & IW_ENCODE_MODE))
1da177e4 6329 return -EINVAL;
1da177e4
LT		 6330 }
6331 /* Read the flags */
6332 if(dwrq->flags & IW_ENCODE_DISABLED)
6333 local->config.authType = AUTH_OPEN; // disable encryption
6334 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6335 local->config.authType = AUTH_SHAREDKEY; // Only Both
6336 if(dwrq->flags & IW_ENCODE_OPEN)
6337 local->config.authType = AUTH_ENCRYPT; // Only Wep
6338 /* Commit the changes to flags if needed */
f89b2321 6339 if (local->config.authType != currentAuthType)
1da177e4
LT		 6340 set_bit (FLAG_COMMIT, &local->flags);
6341 return -EINPROGRESS; /* Call commit handler */
6342}
6343
6344/*------------------------------------------------------------------*/
6345/*
6346 * Wireless Handler : get Encryption Key
6347 */
6348static int airo_get_encode(struct net_device *dev,
6349 struct iw_request_info *info,
6350 struct iw_point *dwrq,
6351 char *extra)
6352{
6353 struct airo_info *local = dev->priv;
6354 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6355 CapabilityRid cap_rid; /* Card capability info */
6356
6357 /* Is it supported ? */
6358 readCapabilityRid(local, &cap_rid, 1);
56d81bd3 6359 if(!(cap_rid.softCap & cpu_to_le16(2))) {
1da177e4
LT		 6360 return -EOPNOTSUPP;
6361 }
6362 readConfigRid(local, 1);
6363 /* Check encryption mode */
6364 switch(local->config.authType) {
6365 case AUTH_ENCRYPT:
6366 dwrq->flags = IW_ENCODE_OPEN;
6367 break;
6368 case AUTH_SHAREDKEY:
6369 dwrq->flags = IW_ENCODE_RESTRICTED;
6370 break;
6371 default:
6372 case AUTH_OPEN:
6373 dwrq->flags = IW_ENCODE_DISABLED;
6374 break;
6375 }
6376 /* We can't return the key, so set the proper flag and return zero */
6377 dwrq->flags |= IW_ENCODE_NOKEY;
6378 memset(extra, 0, 16);
6379
6380 /* Which key do we want ? -1 -> tx index */
56d81bd3 6381 if (!valid_index(&cap_rid, index))
1da177e4
LT		 6382 index = get_wep_key(local, 0xffff);
6383 dwrq->flags |= index + 1;
6384 /* Copy the key to the user buffer */
6385 dwrq->length = get_wep_key(local, index);
6386 if (dwrq->length > 16) {
6387 dwrq->length=0;
6388 }
6389 return 0;
6390}
6391
4be757dd
DW		 6392/*------------------------------------------------------------------*/
6393/*
6394 * Wireless Handler : set extended Encryption parameters
6395 */
6396static int airo_set_encodeext(struct net_device *dev,
6397 struct iw_request_info *info,
6398 union iwreq_data *wrqu,
6399 char *extra)
6400{
6401 struct airo_info *local = dev->priv;
6402 struct iw_point *encoding = &wrqu->encoding;
6403 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6404 CapabilityRid cap_rid; /* Card capability info */
6405 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
3eb9b41f 6406 __le16 currentAuthType = local->config.authType;
22d8846e 6407 int idx, key_len, alg = ext->alg, set_key = 1;
4be757dd
DW		 6408 wep_key_t key;
6409
6410 /* Is WEP supported ? */
6411 readCapabilityRid(local, &cap_rid, 1);
6412 /* Older firmware doesn't support this...
56d81bd3 6413 if(!(cap_rid.softCap & cpu_to_le16(2))) {
4be757dd
DW		 6414 return -EOPNOTSUPP;
6415 } */
6416 readConfigRid(local, 1);
6417
6418 /* Determine and validate the key index */
6419 idx = encoding->flags & IW_ENCODE_INDEX;
6420 if (idx) {
56d81bd3 6421 if (!valid_index(&cap_rid, idx - 1))
4be757dd
DW		 6422 return -EINVAL;
6423 idx--;
6424 } else
6425 idx = get_wep_key(local, 0xffff);
6426
6427 if (encoding->flags & IW_ENCODE_DISABLED)
6428 alg = IW_ENCODE_ALG_NONE;
6429
4be757dd 6430 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
22d8846e
DW		 6431 /* Only set transmit key index here, actual
6432 * key is set below if needed.
6433 */
4be757dd 6434 set_wep_key(local, idx, NULL, 0, perm, 1);
22d8846e
DW		 6435 set_key = ext->key_len > 0 ? 1 : 0;
6436 }
6437
6438 if (set_key) {
4be757dd
DW		 6439 /* Set the requested key first */
6440 memset(key.key, 0, MAX_KEY_SIZE);
6441 switch (alg) {
6442 case IW_ENCODE_ALG_NONE:
6443 key.len = 0;
6444 break;
6445 case IW_ENCODE_ALG_WEP:
6446 if (ext->key_len > MIN_KEY_SIZE) {
6447 key.len = MAX_KEY_SIZE;
6448 } else if (ext->key_len > 0) {
6449 key.len = MIN_KEY_SIZE;
6450 } else {
6451 return -EINVAL;
6452 }
6453 key_len = min (ext->key_len, key.len);
6454 memcpy(key.key, ext->key, key_len);
6455 break;
6456 default:
6457 return -EINVAL;
6458 }
6459 /* Send the key to the card */
6460 set_wep_key(local, idx, key.key, key.len, perm, 1);
6461 }
6462
6463 /* Read the flags */
6464 if(encoding->flags & IW_ENCODE_DISABLED)
6465 local->config.authType = AUTH_OPEN; // disable encryption
6466 if(encoding->flags & IW_ENCODE_RESTRICTED)
6467 local->config.authType = AUTH_SHAREDKEY; // Only Both
6468 if(encoding->flags & IW_ENCODE_OPEN)
6469 local->config.authType = AUTH_ENCRYPT; // Only Wep
6470 /* Commit the changes to flags if needed */
6471 if (local->config.authType != currentAuthType)
6472 set_bit (FLAG_COMMIT, &local->flags);
6473
6474 return -EINPROGRESS;
6475}
6476
6477
6478/*------------------------------------------------------------------*/
6479/*
6480 * Wireless Handler : get extended Encryption parameters
6481 */
6482static int airo_get_encodeext(struct net_device *dev,
6483 struct iw_request_info *info,
6484 union iwreq_data *wrqu,
6485 char *extra)
6486{
6487 struct airo_info *local = dev->priv;
6488 struct iw_point *encoding = &wrqu->encoding;
6489 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6490 CapabilityRid cap_rid; /* Card capability info */
6491 int idx, max_key_len;
6492
6493 /* Is it supported ? */
6494 readCapabilityRid(local, &cap_rid, 1);
56d81bd3 6495 if(!(cap_rid.softCap & cpu_to_le16(2))) {
4be757dd
DW		 6496 return -EOPNOTSUPP;
6497 }
6498 readConfigRid(local, 1);
6499
6500 max_key_len = encoding->length - sizeof(*ext);
6501 if (max_key_len < 0)
6502 return -EINVAL;
6503
6504 idx = encoding->flags & IW_ENCODE_INDEX;
6505 if (idx) {
56d81bd3 6506 if (!valid_index(&cap_rid, idx - 1))
4be757dd
DW		 6507 return -EINVAL;
6508 idx--;
6509 } else
6510 idx = get_wep_key(local, 0xffff);
6511
6512 encoding->flags = idx + 1;
6513 memset(ext, 0, sizeof(*ext));
6514
6515 /* Check encryption mode */
6516 switch(local->config.authType) {
6517 case AUTH_ENCRYPT:
6518 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6519 break;
6520 case AUTH_SHAREDKEY:
6521 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6522 break;
6523 default:
6524 case AUTH_OPEN:
6525 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6526 break;
6527 }
6528 /* We can't return the key, so set the proper flag and return zero */
6529 encoding->flags |= IW_ENCODE_NOKEY;
6530 memset(extra, 0, 16);
6531
6532 /* Copy the key to the user buffer */
6533 ext->key_len = get_wep_key(local, idx);
6534 if (ext->key_len > 16) {
6535 ext->key_len=0;
6536 }
6537
6538 return 0;
6539}
6540
6541
6542/*------------------------------------------------------------------*/
6543/*
6544 * Wireless Handler : set extended authentication parameters
6545 */
6546static int airo_set_auth(struct net_device *dev,
6547 struct iw_request_info *info,
6548 union iwreq_data *wrqu, char *extra)
6549{
6550 struct airo_info *local = dev->priv;
6551 struct iw_param *param = &wrqu->param;
3eb9b41f 6552 __le16 currentAuthType = local->config.authType;
4be757dd
DW		 6553
6554 switch (param->flags & IW_AUTH_INDEX) {
6555 case IW_AUTH_WPA_VERSION:
6556 case IW_AUTH_CIPHER_PAIRWISE:
6557 case IW_AUTH_CIPHER_GROUP:
6558 case IW_AUTH_KEY_MGMT:
6559 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6560 case IW_AUTH_PRIVACY_INVOKED:
6561 /*
6562 * airo does not use these parameters
6563 */
6564 break;
6565
6566 case IW_AUTH_DROP_UNENCRYPTED:
6567 if (param->value) {
6568 /* Only change auth type if unencrypted */
6569 if (currentAuthType == AUTH_OPEN)
6570 local->config.authType = AUTH_ENCRYPT;
6571 } else {
6572 local->config.authType = AUTH_OPEN;
6573 }
6574
6575 /* Commit the changes to flags if needed */
6576 if (local->config.authType != currentAuthType)
6577 set_bit (FLAG_COMMIT, &local->flags);
6578 break;
6579
6580 case IW_AUTH_80211_AUTH_ALG: {
6581 /* FIXME: What about AUTH_OPEN? This API seems to
6582 * disallow setting our auth to AUTH_OPEN.
6583 */
6584 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6585 local->config.authType = AUTH_SHAREDKEY;
6586 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6587 local->config.authType = AUTH_ENCRYPT;
6588 } else
6589 return -EINVAL;
6590 break;
6591
6592 /* Commit the changes to flags if needed */
6593 if (local->config.authType != currentAuthType)
6594 set_bit (FLAG_COMMIT, &local->flags);
6595 }
6596
6597 case IW_AUTH_WPA_ENABLED:
6598 /* Silently accept disable of WPA */
6599 if (param->value > 0)
6600 return -EOPNOTSUPP;
6601 break;
6602
6603 default:
6604 return -EOPNOTSUPP;
6605 }
6606 return -EINPROGRESS;
6607}
6608
6609
6610/*------------------------------------------------------------------*/
6611/*
6612 * Wireless Handler : get extended authentication parameters
6613 */
6614static int airo_get_auth(struct net_device *dev,
6615 struct iw_request_info *info,
6616 union iwreq_data *wrqu, char *extra)
6617{
6618 struct airo_info *local = dev->priv;
6619 struct iw_param *param = &wrqu->param;
3eb9b41f 6620 __le16 currentAuthType = local->config.authType;
4be757dd
DW		 6621
6622 switch (param->flags & IW_AUTH_INDEX) {
6623 case IW_AUTH_DROP_UNENCRYPTED:
6624 switch (currentAuthType) {
6625 case AUTH_SHAREDKEY:
6626 case AUTH_ENCRYPT:
6627 param->value = 1;
6628 break;
6629 default:
6630 param->value = 0;
6631 break;
6632 }
6633 break;
6634
6635 case IW_AUTH_80211_AUTH_ALG:
6636 switch (currentAuthType) {
6637 case AUTH_SHAREDKEY:
6638 param->value = IW_AUTH_ALG_SHARED_KEY;
6639 break;
6640 case AUTH_ENCRYPT:
6641 default:
6642 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6643 break;
6644 }
6645 break;
6646
6647 case IW_AUTH_WPA_ENABLED:
6648 param->value = 0;
6649 break;
6650
6651 default:
6652 return -EOPNOTSUPP;
6653 }
6654 return 0;
6655}
6656
6657
1da177e4
LT		 6658/*------------------------------------------------------------------*/
6659/*
6660 * Wireless Handler : set Tx-Power
6661 */
6662static int airo_set_txpow(struct net_device *dev,
6663 struct iw_request_info *info,
6664 struct iw_param *vwrq,
6665 char *extra)
6666{
6667 struct airo_info *local = dev->priv;
6668 CapabilityRid cap_rid; /* Card capability info */
6669 int i;
6670 int rc = -EINVAL;
3eb9b41f 6671 __le16 v = cpu_to_le16(vwrq->value);
1da177e4
LT		 6672
6673 readCapabilityRid(local, &cap_rid, 1);
6674
6675 if (vwrq->disabled) {
6676 set_bit (FLAG_RADIO_OFF, &local->flags);
6677 set_bit (FLAG_COMMIT, &local->flags);
6678 return -EINPROGRESS; /* Call commit handler */
6679 }
6680 if (vwrq->flags != IW_TXPOW_MWATT) {
6681 return -EINVAL;
6682 }
6683 clear_bit (FLAG_RADIO_OFF, &local->flags);
6684 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
3eb9b41f 6685 if (v == cap_rid.txPowerLevels[i]) {
1da177e4 6686 readConfigRid(local, 1);
3eb9b41f 6687 local->config.txPower = v;
1da177e4
LT		 6688 set_bit (FLAG_COMMIT, &local->flags);
6689 rc = -EINPROGRESS; /* Call commit handler */
6690 break;
6691 }
6692 return rc;
6693}
6694
6695/*------------------------------------------------------------------*/
6696/*
6697 * Wireless Handler : get Tx-Power
6698 */
6699static int airo_get_txpow(struct net_device *dev,
6700 struct iw_request_info *info,
6701 struct iw_param *vwrq,
6702 char *extra)
6703{
6704 struct airo_info *local = dev->priv;
6705
6706 readConfigRid(local, 1);
3eb9b41f 6707 vwrq->value = le16_to_cpu(local->config.txPower);
1da177e4
LT		 6708 vwrq->fixed = 1; /* No power control */
6709 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6710 vwrq->flags = IW_TXPOW_MWATT;
6711
6712 return 0;
6713}
6714
6715/*------------------------------------------------------------------*/
6716/*
6717 * Wireless Handler : set Retry limits
6718 */
6719static int airo_set_retry(struct net_device *dev,
6720 struct iw_request_info *info,
6721 struct iw_param *vwrq,
6722 char *extra)
6723{
6724 struct airo_info *local = dev->priv;
6725 int rc = -EINVAL;
6726
6727 if(vwrq->disabled) {
6728 return -EINVAL;
6729 }
6730 readConfigRid(local, 1);
6731 if(vwrq->flags & IW_RETRY_LIMIT) {
3eb9b41f 6732 __le16 v = cpu_to_le16(vwrq->value);
7f8544cc 6733 if(vwrq->flags & IW_RETRY_LONG)
3eb9b41f 6734 local->config.longRetryLimit = v;
7f8544cc 6735 else if (vwrq->flags & IW_RETRY_SHORT)
3eb9b41f 6736 local->config.shortRetryLimit = v;
1da177e4
LT		 6737 else {
6738 /* No modifier : set both */
3eb9b41f
AV		 6739 local->config.longRetryLimit = v;
6740 local->config.shortRetryLimit = v;
1da177e4
LT		 6741 }
6742 set_bit (FLAG_COMMIT, &local->flags);
6743 rc = -EINPROGRESS; /* Call commit handler */
6744 }
6745 if(vwrq->flags & IW_RETRY_LIFETIME) {
3eb9b41f 6746 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
1da177e4
LT		 6747 set_bit (FLAG_COMMIT, &local->flags);
6748 rc = -EINPROGRESS; /* Call commit handler */
6749 }
6750 return rc;
6751}
6752
6753/*------------------------------------------------------------------*/
6754/*
6755 * Wireless Handler : get Retry limits
6756 */
6757static int airo_get_retry(struct net_device *dev,
6758 struct iw_request_info *info,
6759 struct iw_param *vwrq,
6760 char *extra)
6761{
6762 struct airo_info *local = dev->priv;
6763
6764 vwrq->disabled = 0; /* Can't be disabled */
6765
6766 readConfigRid(local, 1);
6767 /* Note : by default, display the min retry number */
6768 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6769 vwrq->flags = IW_RETRY_LIFETIME;
3eb9b41f 6770 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
7f8544cc
JT		 6771 } else if((vwrq->flags & IW_RETRY_LONG)) {
6772 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
3eb9b41f 6773 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
1da177e4
LT		 6774 } else {
6775 vwrq->flags = IW_RETRY_LIMIT;
3eb9b41f
AV		 6776 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6777 if(local->config.shortRetryLimit != local->config.longRetryLimit)
7f8544cc 6778 vwrq->flags |= IW_RETRY_SHORT;
1da177e4
LT		 6779 }
6780
6781 return 0;
6782}
6783
6784/*------------------------------------------------------------------*/
6785/*
6786 * Wireless Handler : get range info
6787 */
6788static int airo_get_range(struct net_device *dev,
6789 struct iw_request_info *info,
6790 struct iw_point *dwrq,
6791 char *extra)
6792{
6793 struct airo_info *local = dev->priv;
6794 struct iw_range *range = (struct iw_range *) extra;
6795 CapabilityRid cap_rid; /* Card capability info */
6796 int i;
6797 int k;
6798
6799 readCapabilityRid(local, &cap_rid, 1);
6800
6801 dwrq->length = sizeof(struct iw_range);
6802 memset(range, 0, sizeof(*range));
6803 range->min_nwid = 0x0000;
6804 range->max_nwid = 0x0000;
6805 range->num_channels = 14;
6806 /* Should be based on cap_rid.country to give only
6807 * what the current card support */
6808 k = 0;
6809 for(i = 0; i < 14; i++) {
6810 range->freq[k].i = i + 1; /* List index */
6811 range->freq[k].m = frequency_list[i] * 100000;
6812 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6813 }
6814 range->num_frequency = k;
6815
41480af2
DW		 6816 range->sensitivity = 65535;
6817
1da177e4 6818 /* Hum... Should put the right values there */
41480af2
DW		 6819 if (local->rssi)
6820 range->max_qual.qual = 100; /* % */
6821 else
6822 range->max_qual.qual = airo_get_max_quality(&cap_rid);
ce6623c3
JT		 6823 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6824 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
41480af2
DW		 6825
6826 /* Experimental measurements - boundary 11/5.5 Mb/s */
6827 /* Note : with or without the (local->rssi), results
6828 * are somewhat different. - Jean II */
6829 if (local->rssi) {
ce6623c3
JT		 6830 range->avg_qual.qual = 50; /* % */
6831 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
41480af2
DW		 6832 } else {
6833 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
ce6623c3 6834 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
41480af2 6835 }
ce6623c3 6836 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
1da177e4
LT		 6837
6838 for(i = 0 ; i < 8 ; i++) {
6839 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6840 if(range->bitrate[i] == 0)
6841 break;
6842 }
6843 range->num_bitrates = i;
6844
6845 /* Set an indication of the max TCP throughput
6846 * in bit/s that we can expect using this interface.
6847 * May be use for QoS stuff... Jean II */
6848 if(i > 2)
6849 range->throughput = 5000 * 1000;
6850 else
6851 range->throughput = 1500 * 1000;
6852
6853 range->min_rts = 0;
15db2763 6854 range->max_rts = AIRO_DEF_MTU;
1da177e4 6855 range->min_frag = 256;
15db2763 6856 range->max_frag = AIRO_DEF_MTU;
1da177e4 6857
56d81bd3 6858 if(cap_rid.softCap & cpu_to_le16(2)) {
1da177e4
LT		 6859 // WEP: RC4 40 bits
6860 range->encoding_size[0] = 5;
6861 // RC4 ~128 bits
56d81bd3 6862 if (cap_rid.softCap & cpu_to_le16(0x100)) {
1da177e4
LT		 6863 range->encoding_size[1] = 13;
6864 range->num_encoding_sizes = 2;
6865 } else
6866 range->num_encoding_sizes = 1;
56d81bd3
AV		 6867 range->max_encoding_tokens =
6868 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
1da177e4
LT		 6869 } else {
6870 range->num_encoding_sizes = 0;
6871 range->max_encoding_tokens = 0;
6872 }
6873 range->min_pmp = 0;
6874 range->max_pmp = 5000000; /* 5 secs */
6875 range->min_pmt = 0;
6876 range->max_pmt = 65535 * 1024; /* ??? */
6877 range->pmp_flags = IW_POWER_PERIOD;
6878 range->pmt_flags = IW_POWER_TIMEOUT;
6879 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6880
6881 /* Transmit Power - values are in mW */
6882 for(i = 0 ; i < 8 ; i++) {
56d81bd3 6883 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
1da177e4
LT		 6884 if(range->txpower[i] == 0)
6885 break;
6886 }
6887 range->num_txpower = i;
6888 range->txpower_capa = IW_TXPOW_MWATT;
3c304956 6889 range->we_version_source = 19;
1da177e4
LT		 6890 range->we_version_compiled = WIRELESS_EXT;
6891 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6892 range->retry_flags = IW_RETRY_LIMIT;
6893 range->r_time_flags = IW_RETRY_LIFETIME;
6894 range->min_retry = 1;
6895 range->max_retry = 65535;
6896 range->min_r_time = 1024;
6897 range->max_r_time = 65535 * 1024;
1da177e4
LT		 6898
6899 /* Event capability (kernel + driver) */
6900 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6901 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6902 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6903 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6904 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6905 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6906 return 0;
6907}
6908
6909/*------------------------------------------------------------------*/
6910/*
6911 * Wireless Handler : set Power Management
6912 */
6913static int airo_set_power(struct net_device *dev,
6914 struct iw_request_info *info,
6915 struct iw_param *vwrq,
6916 char *extra)
6917{
6918 struct airo_info *local = dev->priv;
6919
6920 readConfigRid(local, 1);
6921 if (vwrq->disabled) {
3eb9b41f 6922 if (sniffing_mode(local))
1da177e4 6923 return -EINVAL;
1da177e4 6924 local->config.powerSaveMode = POWERSAVE_CAM;
3eb9b41f 6925 local->config.rmode &= ~RXMODE_MASK;
1da177e4
LT		 6926 local->config.rmode |= RXMODE_BC_MC_ADDR;
6927 set_bit (FLAG_COMMIT, &local->flags);
6928 return -EINPROGRESS; /* Call commit handler */
6929 }
6930 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
3eb9b41f 6931 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
1da177e4
LT		 6932 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6933 set_bit (FLAG_COMMIT, &local->flags);
6934 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
3eb9b41f
AV		 6935 local->config.fastListenInterval =
6936 local->config.listenInterval =
6937 cpu_to_le16((vwrq->value + 500) / 1024);
1da177e4
LT		 6938 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6939 set_bit (FLAG_COMMIT, &local->flags);
6940 }
6941 switch (vwrq->flags & IW_POWER_MODE) {
6942 case IW_POWER_UNICAST_R:
3eb9b41f 6943 if (sniffing_mode(local))
1da177e4 6944 return -EINVAL;
3eb9b41f 6945 local->config.rmode &= ~RXMODE_MASK;
1da177e4
LT		 6946 local->config.rmode |= RXMODE_ADDR;
6947 set_bit (FLAG_COMMIT, &local->flags);
6948 break;
6949 case IW_POWER_ALL_R:
3eb9b41f 6950 if (sniffing_mode(local))
1da177e4 6951 return -EINVAL;
3eb9b41f 6952 local->config.rmode &= ~RXMODE_MASK;
1da177e4
LT		 6953 local->config.rmode |= RXMODE_BC_MC_ADDR;
6954 set_bit (FLAG_COMMIT, &local->flags);
6955 case IW_POWER_ON:
7f8544cc 6956 /* This is broken, fixme ;-) */
1da177e4
LT		 6957 break;
6958 default:
6959 return -EINVAL;
6960 }
6961 // Note : we may want to factor local->need_commit here
6962 // Note2 : may also want to factor RXMODE_RFMON test
6963 return -EINPROGRESS; /* Call commit handler */
6964}
6965
6966/*------------------------------------------------------------------*/
6967/*
6968 * Wireless Handler : get Power Management
6969 */
6970static int airo_get_power(struct net_device *dev,
6971 struct iw_request_info *info,
6972 struct iw_param *vwrq,
6973 char *extra)
6974{
6975 struct airo_info *local = dev->priv;
3eb9b41f 6976 __le16 mode;
1da177e4
LT		 6977
6978 readConfigRid(local, 1);
6979 mode = local->config.powerSaveMode;
6980 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
6981 return 0;
6982 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
3eb9b41f 6983 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
1da177e4
LT		 6984 vwrq->flags = IW_POWER_TIMEOUT;
6985 } else {
3eb9b41f 6986 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
1da177e4
LT		 6987 vwrq->flags = IW_POWER_PERIOD;
6988 }
3eb9b41f 6989 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
1da177e4
LT		 6990 vwrq->flags |= IW_POWER_UNICAST_R;
6991 else
6992 vwrq->flags |= IW_POWER_ALL_R;
6993
6994 return 0;
6995}
6996
6997/*------------------------------------------------------------------*/
6998/*
6999 * Wireless Handler : set Sensitivity
7000 */
7001static int airo_set_sens(struct net_device *dev,
7002 struct iw_request_info *info,
7003 struct iw_param *vwrq,
7004 char *extra)
7005{
7006 struct airo_info *local = dev->priv;
7007
7008 readConfigRid(local, 1);
3eb9b41f
AV		 7009 local->config.rssiThreshold =
7010 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
1da177e4
LT		 7011 set_bit (FLAG_COMMIT, &local->flags);
7012
7013 return -EINPROGRESS; /* Call commit handler */
7014}
7015
7016/*------------------------------------------------------------------*/
7017/*
7018 * Wireless Handler : get Sensitivity
7019 */
7020static int airo_get_sens(struct net_device *dev,
7021 struct iw_request_info *info,
7022 struct iw_param *vwrq,
7023 char *extra)
7024{
7025 struct airo_info *local = dev->priv;
7026
7027 readConfigRid(local, 1);
3eb9b41f 7028 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
1da177e4
LT		 7029 vwrq->disabled = (vwrq->value == 0);
7030 vwrq->fixed = 1;
7031
7032 return 0;
7033}
7034
7035/*------------------------------------------------------------------*/
7036/*
7037 * Wireless Handler : get AP List
7038 * Note : this is deprecated in favor of IWSCAN
7039 */
7040static int airo_get_aplist(struct net_device *dev,
7041 struct iw_request_info *info,
7042 struct iw_point *dwrq,
7043 char *extra)
7044{
7045 struct airo_info *local = dev->priv;
7046 struct sockaddr *address = (struct sockaddr *) extra;
7047 struct iw_quality qual[IW_MAX_AP];
7048 BSSListRid BSSList;
7049 int i;
7050 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7051
7052 for (i = 0; i < IW_MAX_AP; i++) {
17e70491 7053 u16 dBm;
1da177e4
LT		 7054 if (readBSSListRid(local, loseSync, &BSSList))
7055 break;
7056 loseSync = 0;
7057 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7058 address[i].sa_family = ARPHRD_ETHER;
17e70491 7059 dBm = le16_to_cpu(BSSList.dBm);
41480af2 7060 if (local->rssi) {
17e70491
AV		 7061 qual[i].level = 0x100 - dBm;
7062 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
ce6623c3
JT		 7063 qual[i].updated = IW_QUAL_QUAL_UPDATED
7064 | IW_QUAL_LEVEL_UPDATED
7065 | IW_QUAL_DBM;
41480af2 7066 } else {
17e70491 7067 qual[i].level = (dBm + 321) / 2;
41480af2 7068 qual[i].qual = 0;
ce6623c3
JT		 7069 qual[i].updated = IW_QUAL_QUAL_INVALID
7070 | IW_QUAL_LEVEL_UPDATED
7071 | IW_QUAL_DBM;
41480af2
DW		 7072 }
7073 qual[i].noise = local->wstats.qual.noise;
17e70491 7074 if (BSSList.index == cpu_to_le16(0xffff))
1da177e4
LT		 7075 break;
7076 }
7077 if (!i) {
7078 StatusRid status_rid; /* Card status info */
7079 readStatusRid(local, &status_rid, 1);
7080 for (i = 0;
7081 i < min(IW_MAX_AP, 4) &&
7082 (status_rid.bssid[i][0]
7083 & status_rid.bssid[i][1]
7084 & status_rid.bssid[i][2]
7085 & status_rid.bssid[i][3]
7086 & status_rid.bssid[i][4]
7087 & status_rid.bssid[i][5])!=0xff &&
7088 (status_rid.bssid[i][0]
7089 | status_rid.bssid[i][1]
7090 | status_rid.bssid[i][2]
7091 | status_rid.bssid[i][3]
7092 | status_rid.bssid[i][4]
7093 | status_rid.bssid[i][5]);
7094 i++) {
7095 memcpy(address[i].sa_data,
7096 status_rid.bssid[i], ETH_ALEN);
7097 address[i].sa_family = ARPHRD_ETHER;
7098 }
7099 } else {
7100 dwrq->flags = 1; /* Should be define'd */
7101 memcpy(extra + sizeof(struct sockaddr)*i,
7102 &qual, sizeof(struct iw_quality)*i);
7103 }
7104 dwrq->length = i;
7105
7106 return 0;
7107}
7108
7109/*------------------------------------------------------------------*/
7110/*
7111 * Wireless Handler : Initiate Scan
7112 */
7113static int airo_set_scan(struct net_device *dev,
7114 struct iw_request_info *info,
7115 struct iw_param *vwrq,
7116 char *extra)
7117{
7118 struct airo_info *ai = dev->priv;
7119 Cmd cmd;
7120 Resp rsp;
9e75af30 7121 int wake = 0;
1da177e4
LT		 7122
7123 /* Note : you may have realised that, as this is a SET operation,
7124 * this is privileged and therefore a normal user can't
7125 * perform scanning.
7126 * This is not an error, while the device perform scanning,
7127 * traffic doesn't flow, so it's a perfect DoS...
7128 * Jean II */
7129 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7130
9e75af30
DW		 7131 if (down_interruptible(&ai->sem))
7132 return -ERESTARTSYS;
7133
7134 /* If there's already a scan in progress, don't
7135 * trigger another one. */
7136 if (ai->scan_timeout > 0)
7137 goto out;
7138
1da177e4 7139 /* Initiate a scan command */
6fcdf565 7140 ai->scan_timeout = RUN_AT(3*HZ);
1da177e4
LT		 7141 memset(&cmd, 0, sizeof(cmd));
7142 cmd.cmd=CMD_LISTBSS;
1da177e4 7143 issuecommand(ai, &cmd, &rsp);
9e75af30 7144 wake = 1;
1da177e4 7145
9e75af30
DW		 7146out:
7147 up(&ai->sem);
7148 if (wake)
7149 wake_up_interruptible(&ai->thr_wait);
1da177e4
LT		 7150 return 0;
7151}
7152
7153/*------------------------------------------------------------------*/
7154/*
7155 * Translate scan data returned from the card to a card independent
7156 * format that the Wireless Tools will understand - Jean II
7157 */
7158static inline char *airo_translate_scan(struct net_device *dev,
7159 char *current_ev,
7160 char *end_buf,
41480af2 7161 BSSListRid *bss)
1da177e4
LT		 7162{
7163 struct airo_info *ai = dev->priv;
7164 struct iw_event iwe; /* Temporary buffer */
17e70491 7165 __le16 capabilities;
1da177e4
LT		 7166 char * current_val; /* For rates */
7167 int i;
3c304956 7168 char * buf;
851b3e5e 7169 u16 dBm;
1da177e4
LT		 7170
7171 /* First entry *MUST* be the AP MAC address */
7172 iwe.cmd = SIOCGIWAP;
7173 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
41480af2 7174 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
1da177e4
LT		 7175 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
7176
7177 /* Other entries will be displayed in the order we give them */
7178
7179 /* Add the ESSID */
41480af2 7180 iwe.u.data.length = bss->ssidLen;
1da177e4
LT		 7181 if(iwe.u.data.length > 32)
7182 iwe.u.data.length = 32;
7183 iwe.cmd = SIOCGIWESSID;
7184 iwe.u.data.flags = 1;
41480af2 7185 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
1da177e4
LT		 7186
7187 /* Add mode */
7188 iwe.cmd = SIOCGIWMODE;
17e70491 7189 capabilities = bss->cap;
1da177e4
LT		 7190 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7191 if(capabilities & CAP_ESS)
7192 iwe.u.mode = IW_MODE_MASTER;
7193 else
7194 iwe.u.mode = IW_MODE_ADHOC;
7195 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
7196 }
7197
7198 /* Add frequency */
7199 iwe.cmd = SIOCGIWFREQ;
41480af2 7200 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
1141455d 7201 /* iwe.u.freq.m containt the channel (starting 1), our
7202 * frequency_list array start at index 0...
7203 */
7204 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
1da177e4
LT		 7205 iwe.u.freq.e = 1;
7206 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
7207
851b3e5e
AV		 7208 dBm = le16_to_cpu(bss->dBm);
7209
1da177e4
LT		 7210 /* Add quality statistics */
7211 iwe.cmd = IWEVQUAL;
41480af2 7212 if (ai->rssi) {
851b3e5e
AV		 7213 iwe.u.qual.level = 0x100 - dBm;
7214 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
ce6623c3
JT		 7215 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7216 | IW_QUAL_LEVEL_UPDATED
7217 | IW_QUAL_DBM;
41480af2 7218 } else {
851b3e5e 7219 iwe.u.qual.level = (dBm + 321) / 2;
41480af2 7220 iwe.u.qual.qual = 0;
bbeec90b 7221 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
ce6623c3
JT		 7222 | IW_QUAL_LEVEL_UPDATED
7223 | IW_QUAL_DBM;
41480af2
DW		 7224 }
7225 iwe.u.qual.noise = ai->wstats.qual.noise;
1da177e4
LT		 7226 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
7227
7228 /* Add encryption capability */
7229 iwe.cmd = SIOCGIWENCODE;
7230 if(capabilities & CAP_PRIVACY)
7231 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7232 else
7233 iwe.u.data.flags = IW_ENCODE_DISABLED;
7234 iwe.u.data.length = 0;
41480af2 7235 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
1da177e4
LT		 7236
7237 /* Rate : stuffing multiple values in a single event require a bit
7238 * more of magic - Jean II */
7239 current_val = current_ev + IW_EV_LCP_LEN;
7240
7241 iwe.cmd = SIOCGIWRATE;
7242 /* Those two flags are ignored... */
7243 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7244 /* Max 8 values */
7245 for(i = 0 ; i < 8 ; i++) {
7246 /* NULL terminated */
41480af2 7247 if(bss->rates[i] == 0)
1da177e4
LT		 7248 break;
7249 /* Bit rate given in 500 kb/s units (+ 0x80) */
41480af2 7250 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
1da177e4
LT		 7251 /* Add new value to event */
7252 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
7253 }
7254 /* Check if we added any event */
7255 if((current_val - current_ev) > IW_EV_LCP_LEN)
7256 current_ev = current_val;
7257
3c304956
DW		 7258 /* Beacon interval */
7259 buf = kmalloc(30, GFP_KERNEL);
7260 if (buf) {
7261 iwe.cmd = IWEVCUSTOM;
7262 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7263 iwe.u.data.length = strlen(buf);
7264 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, buf);
7265 kfree(buf);
7266 }
7267
7268 /* Put WPA/RSN Information Elements into the event stream */
7269 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7270 unsigned int num_null_ies = 0;
7271 u16 length = sizeof (bss->extra.iep);
7272 struct ieee80211_info_element *info_element =
7273 (struct ieee80211_info_element *) &bss->extra.iep;
7274
7275 while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) {
7276 if (sizeof(*info_element) + info_element->len > length) {
7277 /* Invalid element, don't continue parsing IE */
7278 break;
7279 }
7280
7281 switch (info_element->id) {
7282 case MFIE_TYPE_SSID:
7283 /* Two zero-length SSID elements
7284 * mean we're done parsing elements */
7285 if (!info_element->len)
7286 num_null_ies++;
7287 break;
7288
7289 case MFIE_TYPE_GENERIC:
7290 if (info_element->len >= 4 &&
7291 info_element->data[0] == 0x00 &&
7292 info_element->data[1] == 0x50 &&
7293 info_element->data[2] == 0xf2 &&
7294 info_element->data[3] == 0x01) {
7295 iwe.cmd = IWEVGENIE;
7296 iwe.u.data.length = min(info_element->len + 2,
7297 MAX_WPA_IE_LEN);
7298 current_ev = iwe_stream_add_point(current_ev, end_buf,
7299 &iwe, (char *) info_element);
7300 }
7301 break;
7302
7303 case MFIE_TYPE_RSN:
7304 iwe.cmd = IWEVGENIE;
7305 iwe.u.data.length = min(info_element->len + 2,
7306 MAX_WPA_IE_LEN);
7307 current_ev = iwe_stream_add_point(current_ev, end_buf,
7308 &iwe, (char *) info_element);
7309 break;
7310
7311 default:
7312 break;
7313 }
7314
7315 length -= sizeof(*info_element) + info_element->len;
7316 info_element =
7317 (struct ieee80211_info_element *)&info_element->
7318 data[info_element->len];
7319 }
7320 }
1da177e4
LT		 7321 return current_ev;
7322}
7323
7324/*------------------------------------------------------------------*/
7325/*
7326 * Wireless Handler : Read Scan Results
7327 */
7328static int airo_get_scan(struct net_device *dev,
7329 struct iw_request_info *info,
7330 struct iw_point *dwrq,
7331 char *extra)
7332{
7333 struct airo_info *ai = dev->priv;
9e75af30
DW		 7334 BSSListElement *net;
7335 int err = 0;
1da177e4
LT		 7336 char *current_ev = extra;
7337
9e75af30
DW		 7338 /* If a scan is in-progress, return -EAGAIN */
7339 if (ai->scan_timeout > 0)
1da177e4 7340 return -EAGAIN;
1da177e4 7341
9e75af30
DW		 7342 if (down_interruptible(&ai->sem))
7343 return -EAGAIN;
1da177e4 7344
9e75af30 7345 list_for_each_entry (net, &ai->network_list, list) {
1da177e4
LT		 7346 /* Translate to WE format this entry */
7347 current_ev = airo_translate_scan(dev, current_ev,
7348 extra + dwrq->length,
9e75af30 7349 &net->bss);
1da177e4
LT		 7350
7351 /* Check if there is space for one more entry */
7352 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7353 /* Ask user space to try again with a bigger buffer */
9e75af30
DW		 7354 err = -E2BIG;
7355 goto out;
1da177e4 7356 }
1da177e4 7357 }
9e75af30 7358
1da177e4
LT		 7359 /* Length of data */
7360 dwrq->length = (current_ev - extra);
7361 dwrq->flags = 0; /* todo */
7362
9e75af30
DW		 7363out:
7364 up(&ai->sem);
7365 return err;
1da177e4
LT		 7366}
7367
7368/*------------------------------------------------------------------*/
7369/*
7370 * Commit handler : called after a bunch of SET operations
7371 */
7372static int airo_config_commit(struct net_device *dev,
7373 struct iw_request_info *info, /* NULL */
7374 void *zwrq, /* NULL */
7375 char *extra) /* NULL */
7376{
7377 struct airo_info *local = dev->priv;
1da177e4
LT		 7378
7379 if (!test_bit (FLAG_COMMIT, &local->flags))
7380 return 0;
7381
7382 /* Some of the "SET" function may have modified some of the
7383 * parameters. It's now time to commit them in the card */
7384 disable_MAC(local, 1);
7385 if (test_bit (FLAG_RESET, &local->flags)) {
7386 APListRid APList_rid;
7387 SsidRid SSID_rid;
7388
7389 readAPListRid(local, &APList_rid);
7390 readSsidRid(local, &SSID_rid);
7391 if (test_bit(FLAG_MPI,&local->flags))
7392 setup_card(local, dev->dev_addr, 1 );
7393 else
7394 reset_airo_card(dev);
7395 disable_MAC(local, 1);
7396 writeSsidRid(local, &SSID_rid, 1);
7397 writeAPListRid(local, &APList_rid, 1);
7398 }
7399 if (down_interruptible(&local->sem))
7400 return -ERESTARTSYS;
7401 writeConfigRid(local, 0);
175ec1a1 7402 enable_MAC(local, 0);
1da177e4
LT		 7403 if (test_bit (FLAG_RESET, &local->flags))
7404 airo_set_promisc(local);
7405 else
7406 up(&local->sem);
7407
7408 return 0;
7409}
7410
7411/*------------------------------------------------------------------*/
7412/*
7413 * Structures to export the Wireless Handlers
7414 */
7415
7416static const struct iw_priv_args airo_private_args[] = {
7417/*{ cmd, set_args, get_args, name } */
7418 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7419 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7420 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7421 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7422};
7423
7424static const iw_handler airo_handler[] =
7425{
7426 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7427 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7428 (iw_handler) NULL, /* SIOCSIWNWID */
7429 (iw_handler) NULL, /* SIOCGIWNWID */
7430 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7431 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7432 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7433 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7434 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7435 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7436 (iw_handler) NULL, /* SIOCSIWRANGE */
7437 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7438 (iw_handler) NULL, /* SIOCSIWPRIV */
7439 (iw_handler) NULL, /* SIOCGIWPRIV */
7440 (iw_handler) NULL, /* SIOCSIWSTATS */
7441 (iw_handler) NULL, /* SIOCGIWSTATS */
7442 iw_handler_set_spy, /* SIOCSIWSPY */
7443 iw_handler_get_spy, /* SIOCGIWSPY */
7444 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7445 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7446 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7447 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7448 (iw_handler) NULL, /* -- hole -- */
7449 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7450 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7451 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7452 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7453 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7454 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7455 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7456 (iw_handler) NULL, /* -- hole -- */
7457 (iw_handler) NULL, /* -- hole -- */
7458 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7459 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7460 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7461 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7462 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7463 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7464 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7465 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7466 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7467 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7468 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7469 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7470 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7471 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
4be757dd
DW		 7472 (iw_handler) NULL, /* -- hole -- */
7473 (iw_handler) NULL, /* -- hole -- */
7474 (iw_handler) NULL, /* SIOCSIWGENIE */
7475 (iw_handler) NULL, /* SIOCGIWGENIE */
7476 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7477 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7478 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7479 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7480 (iw_handler) NULL, /* SIOCSIWPMKSA */
1da177e4
LT		 7481};
7482
7483/* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7484 * We want to force the use of the ioctl code, because those can't be
7485 * won't work the iw_handler code (because they simultaneously read
7486 * and write data and iw_handler can't do that).
7487 * Note that it's perfectly legal to read/write on a single ioctl command,
7488 * you just can't use iwpriv and need to force it via the ioctl handler.
7489 * Jean II */
7490static const iw_handler airo_private_handler[] =
7491{
7492 NULL, /* SIOCIWFIRSTPRIV */
7493};
7494
7495static const struct iw_handler_def airo_handler_def =
7496{
ff8ac609
DC		 7497 .num_standard = ARRAY_SIZE(airo_handler),
7498 .num_private = ARRAY_SIZE(airo_private_handler),
7499 .num_private_args = ARRAY_SIZE(airo_private_args),
1da177e4
LT		 7500 .standard = airo_handler,
7501 .private = airo_private_handler,
7502 .private_args = airo_private_args,
7503 .get_wireless_stats = airo_get_wireless_stats,
7504};
7505
1da177e4
LT		 7506/*
7507 * This defines the configuration part of the Wireless Extensions
7508 * Note : irq and spinlock protection will occur in the subroutines
7509 *
7510 * TODO :
7511 * o Check input value more carefully and fill correct values in range
7512 * o Test and shakeout the bugs (if any)
7513 *
7514 * Jean II
7515 *
7516 * Javier Achirica did a great job of merging code from the unnamed CISCO
7517 * developer that added support for flashing the card.
7518 */
7519static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7520{
7521 int rc = 0;
7522 struct airo_info *ai = (struct airo_info *)dev->priv;
7523
ca078bae 7524 if (ai->power.event)
1da177e4
LT		 7525 return 0;
7526
7527 switch (cmd) {
7528#ifdef CISCO_EXT
7529 case AIROIDIFC:
7530#ifdef AIROOLDIDIFC
7531 case AIROOLDIDIFC:
7532#endif
7533 {
7534 int val = AIROMAGIC;
7535 aironet_ioctl com;
7536 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7537 rc = -EFAULT;
7538 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7539 rc = -EFAULT;
7540 }
7541 break;
7542
7543 case AIROIOCTL:
7544#ifdef AIROOLDIOCTL
7545 case AIROOLDIOCTL:
7546#endif
7547 /* Get the command struct and hand it off for evaluation by
7548 * the proper subfunction
7549 */
7550 {
7551 aironet_ioctl com;
7552 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7553 rc = -EFAULT;
7554 break;
7555 }
7556
7557 /* Separate R/W functions bracket legality here
7558 */
7559 if ( com.command == AIRORSWVERSION ) {
7560 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7561 rc = -EFAULT;
7562 else
7563 rc = 0;
7564 }
7565 else if ( com.command <= AIRORRID)
7566 rc = readrids(dev,&com);
7567 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7568 rc = writerids(dev,&com);
7569 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7570 rc = flashcard(dev,&com);
7571 else
7572 rc = -EINVAL; /* Bad command in ioctl */
7573 }
7574 break;
7575#endif /* CISCO_EXT */
7576
7577 // All other calls are currently unsupported
7578 default:
7579 rc = -EOPNOTSUPP;
7580 }
7581 return rc;
7582}
7583
1da177e4
LT		 7584/*
7585 * Get the Wireless stats out of the driver
7586 * Note : irq and spinlock protection will occur in the subroutines
7587 *
7588 * TODO :
7589 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7590 *
7591 * Jean
7592 */
7593static void airo_read_wireless_stats(struct airo_info *local)
7594{
7595 StatusRid status_rid;
7596 StatsRid stats_rid;
7597 CapabilityRid cap_rid;
a23ace5f 7598 __le32 *vals = stats_rid.vals;
1da177e4
LT		 7599
7600 /* Get stats out of the card */
3c304956 7601 clear_bit(JOB_WSTATS, &local->jobs);
ca078bae 7602 if (local->power.event) {
1da177e4
LT		 7603 up(&local->sem);
7604 return;
7605 }
7606 readCapabilityRid(local, &cap_rid, 0);
7607 readStatusRid(local, &status_rid, 0);
7608 readStatsRid(local, &stats_rid, RID_STATS, 0);
7609 up(&local->sem);
7610
7611 /* The status */
329e2c00 7612 local->wstats.status = le16_to_cpu(status_rid.mode);
1da177e4 7613
41480af2
DW		 7614 /* Signal quality and co */
7615 if (local->rssi) {
329e2c00
AV		 7616 local->wstats.qual.level =
7617 airo_rssi_to_dbm(local->rssi,
7618 le16_to_cpu(status_rid.sigQuality));
41480af2 7619 /* normalizedSignalStrength appears to be a percentage */
329e2c00
AV		 7620 local->wstats.qual.qual =
7621 le16_to_cpu(status_rid.normalizedSignalStrength);
41480af2 7622 } else {
329e2c00
AV		 7623 local->wstats.qual.level =
7624 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
41480af2
DW		 7625 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7626 }
329e2c00 7627 if (le16_to_cpu(status_rid.len) >= 124) {
41480af2 7628 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
ce6623c3 7629 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
1da177e4
LT		 7630 } else {
7631 local->wstats.qual.noise = 0;
ce6623c3 7632 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
1da177e4
LT		 7633 }
7634
7635 /* Packets discarded in the wireless adapter due to wireless
7636 * specific problems */
a23ace5f
AV		 7637 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7638 le32_to_cpu(vals[57]) +
7639 le32_to_cpu(vals[58]); /* SSID Mismatch */
7640 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7641 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7642 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7643 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7644 le32_to_cpu(vals[32]);
7645 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
1da177e4
LT		 7646}
7647
ff1d2767 7648static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
1da177e4
LT		 7649{
7650 struct airo_info *local = dev->priv;
7651
3c304956 7652 if (!test_bit(JOB_WSTATS, &local->jobs)) {
1da177e4
LT		 7653 /* Get stats out of the card if available */
7654 if (down_trylock(&local->sem) != 0) {
3c304956 7655 set_bit(JOB_WSTATS, &local->jobs);
1da177e4
LT		 7656 wake_up_interruptible(&local->thr_wait);
7657 } else
7658 airo_read_wireless_stats(local);
7659 }
7660
7661 return &local->wstats;
7662}
1da177e4
LT		 7663
7664#ifdef CISCO_EXT
7665/*
7666 * This just translates from driver IOCTL codes to the command codes to
7667 * feed to the radio's host interface. Things can be added/deleted
7668 * as needed. This represents the READ side of control I/O to
7669 * the card
7670 */
7671static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7672 unsigned short ridcode;
7673 unsigned char *iobuf;
7674 int len;
7675 struct airo_info *ai = dev->priv;
1da177e4
LT		 7676
7677 if (test_bit(FLAG_FLASHING, &ai->flags))
7678 return -EIO;
7679
7680 switch(comp->command)
7681 {
7682 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7683 case AIROGCFG: ridcode = RID_CONFIG;
7684 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7685 disable_MAC (ai, 1);
7686 writeConfigRid (ai, 1);
175ec1a1 7687 enable_MAC(ai, 1);
1da177e4
LT		 7688 }
7689 break;
7690 case AIROGSLIST: ridcode = RID_SSID; break;
7691 case AIROGVLIST: ridcode = RID_APLIST; break;
7692 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7693 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7694 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7695 /* Only super-user can read WEP keys */
7696 if (!capable(CAP_NET_ADMIN))
7697 return -EPERM;
7698 break;
7699 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7700 /* Only super-user can read WEP keys */
7701 if (!capable(CAP_NET_ADMIN))
7702 return -EPERM;
7703 break;
7704 case AIROGSTAT: ridcode = RID_STATUS; break;
7705 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7706 case AIROGSTATSC32: ridcode = RID_STATS; break;
1da177e4
LT		 7707 case AIROGMICSTATS:
7708 if (copy_to_user(comp->data, &ai->micstats,
7709 min((int)comp->len,(int)sizeof(ai->micstats))))
7710 return -EFAULT;
7711 return 0;
1da177e4
LT		 7712 case AIRORRID: ridcode = comp->ridnum; break;
7713 default:
7714 return -EINVAL;
7715 break;
7716 }
7717
7718 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7719 return -ENOMEM;
7720
7721 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7722 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7723 * then return it to the user
7724 * 9/22/2000 Honor user given length
7725 */
7726 len = comp->len;
7727
7728 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7729 kfree (iobuf);
7730 return -EFAULT;
7731 }
7732 kfree (iobuf);
7733 return 0;
7734}
7735
7736/*
7737 * Danger Will Robinson write the rids here
7738 */
7739
7740static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7741 struct airo_info *ai = dev->priv;
7742 int ridcode;
1da177e4 7743 int enabled;
1da177e4
LT		 7744 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7745 unsigned char *iobuf;
7746
7747 /* Only super-user can write RIDs */
7748 if (!capable(CAP_NET_ADMIN))
7749 return -EPERM;
7750
7751 if (test_bit(FLAG_FLASHING, &ai->flags))
7752 return -EIO;
7753
7754 ridcode = 0;
7755 writer = do_writerid;
7756
7757 switch(comp->command)
7758 {
7759 case AIROPSIDS: ridcode = RID_SSID; break;
7760 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7761 case AIROPAPLIST: ridcode = RID_APLIST; break;
7762 case AIROPCFG: ai->config.len = 0;
7763 clear_bit(FLAG_COMMIT, &ai->flags);
7764 ridcode = RID_CONFIG; break;
7765 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7766 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7767 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7768 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7769 break;
7770 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7771 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7772
7773 /* this is not really a rid but a command given to the card
7774 * same with MAC off
7775 */
7776 case AIROPMACON:
175ec1a1 7777 if (enable_MAC(ai, 1) != 0)
1da177e4
LT		 7778 return -EIO;
7779 return 0;
7780
7781 /*
7782 * Evidently this code in the airo driver does not get a symbol
7783 * as disable_MAC. it's probably so short the compiler does not gen one.
7784 */
7785 case AIROPMACOFF:
7786 disable_MAC(ai, 1);
7787 return 0;
7788
7789 /* This command merely clears the counts does not actually store any data
7790 * only reads rid. But as it changes the cards state, I put it in the
7791 * writerid routines.
7792 */
7793 case AIROPSTCLR:
7794 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7795 return -ENOMEM;
7796
7797 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7798
1da177e4
LT		 7799 enabled = ai->micstats.enabled;
7800 memset(&ai->micstats,0,sizeof(ai->micstats));
7801 ai->micstats.enabled = enabled;
1da177e4
LT		 7802
7803 if (copy_to_user(comp->data, iobuf,
7804 min((int)comp->len, (int)RIDSIZE))) {
7805 kfree (iobuf);
7806 return -EFAULT;
7807 }
7808 kfree (iobuf);
7809 return 0;
7810
7811 default:
7812 return -EOPNOTSUPP; /* Blarg! */
7813 }
7814 if(comp->len > RIDSIZE)
7815 return -EINVAL;
7816
7817 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7818 return -ENOMEM;
7819
7820 if (copy_from_user(iobuf,comp->data,comp->len)) {
7821 kfree (iobuf);
7822 return -EFAULT;
7823 }
7824
7825 if (comp->command == AIROPCFG) {
7826 ConfigRid *cfg = (ConfigRid *)iobuf;
7827
7828 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
3eb9b41f 7829 cfg->opmode |= MODE_MIC;
1da177e4 7830
3eb9b41f 7831 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1da177e4
LT		 7832 set_bit (FLAG_ADHOC, &ai->flags);
7833 else
7834 clear_bit (FLAG_ADHOC, &ai->flags);
7835 }
7836
7837 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7838 kfree (iobuf);
7839 return -EIO;
7840 }
7841 kfree (iobuf);
7842 return 0;
7843}
7844
7845/*****************************************************************************
7846 * Ancillary flash / mod functions much black magic lurkes here *
7847 *****************************************************************************
7848 */
7849
7850/*
7851 * Flash command switch table
7852 */
7853
ff1d2767 7854static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
1da177e4 7855 int z;
1da177e4
LT		 7856
7857 /* Only super-user can modify flash */
7858 if (!capable(CAP_NET_ADMIN))
7859 return -EPERM;
7860
7861 switch(comp->command)
7862 {
7863 case AIROFLSHRST:
7864 return cmdreset((struct airo_info *)dev->priv);
7865
7866 case AIROFLSHSTFL:
7867 if (!((struct airo_info *)dev->priv)->flash &&
7868 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7869 return -ENOMEM;
7870 return setflashmode((struct airo_info *)dev->priv);
7871
7872 case AIROFLSHGCHR: /* Get char from aux */
7873 if(comp->len != sizeof(int))
7874 return -EINVAL;
7875 if (copy_from_user(&z,comp->data,comp->len))
7876 return -EFAULT;
7877 return flashgchar((struct airo_info *)dev->priv,z,8000);
7878
7879 case AIROFLSHPCHR: /* Send char to card. */
7880 if(comp->len != sizeof(int))
7881 return -EINVAL;
7882 if (copy_from_user(&z,comp->data,comp->len))
7883 return -EFAULT;
7884 return flashpchar((struct airo_info *)dev->priv,z,8000);
7885
7886 case AIROFLPUTBUF: /* Send 32k to card */
7887 if (!((struct airo_info *)dev->priv)->flash)
7888 return -ENOMEM;
7889 if(comp->len > FLASHSIZE)
7890 return -EINVAL;
7891 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7892 return -EFAULT;
7893
7894 flashputbuf((struct airo_info *)dev->priv);
7895 return 0;
7896
7897 case AIRORESTART:
7898 if(flashrestart((struct airo_info *)dev->priv,dev))
7899 return -EIO;
7900 return 0;
7901 }
7902 return -EINVAL;
7903}
7904
7905#define FLASH_COMMAND 0x7e7e
7906
7907/*
7908 * STEP 1)
7909 * Disable MAC and do soft reset on
7910 * card.
7911 */
7912
ff1d2767 7913static int cmdreset(struct airo_info *ai) {
1da177e4
LT		 7914 disable_MAC(ai, 1);
7915
7916 if(!waitbusy (ai)){
934d8bf1 7917 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
1da177e4
LT		 7918 return -EBUSY;
7919 }
7920
7921 OUT4500(ai,COMMAND,CMD_SOFTRESET);
7922
7923 ssleep(1); /* WAS 600 12/7/00 */
7924
7925 if(!waitbusy (ai)){
934d8bf1 7926 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
1da177e4
LT		 7927 return -EBUSY;
7928 }
7929 return 0;
7930}
7931
7932/* STEP 2)
7933 * Put the card in legendary flash
7934 * mode
7935 */
7936
ff1d2767 7937static int setflashmode (struct airo_info *ai) {
1da177e4
LT		 7938 set_bit (FLAG_FLASHING, &ai->flags);
7939
7940 OUT4500(ai, SWS0, FLASH_COMMAND);
7941 OUT4500(ai, SWS1, FLASH_COMMAND);
7942 if (probe) {
7943 OUT4500(ai, SWS0, FLASH_COMMAND);
7944 OUT4500(ai, COMMAND,0x10);
7945 } else {
7946 OUT4500(ai, SWS2, FLASH_COMMAND);
7947 OUT4500(ai, SWS3, FLASH_COMMAND);
7948 OUT4500(ai, COMMAND,0);
7949 }
7950 msleep(500); /* 500ms delay */
7951
7952 if(!waitbusy(ai)) {
7953 clear_bit (FLAG_FLASHING, &ai->flags);
934d8bf1 7954 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
1da177e4
LT		 7955 return -EIO;
7956 }
7957 return 0;
7958}
7959
7960/* Put character to SWS0 wait for dwelltime
7961 * x 50us for echo .
7962 */
7963
ff1d2767 7964static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
1da177e4
LT		 7965 int echo;
7966 int waittime;
7967
7968 byte |= 0x8000;
7969
7970 if(dwelltime == 0 )
7971 dwelltime = 200;
7972
7973 waittime=dwelltime;
7974
7975 /* Wait for busy bit d15 to go false indicating buffer empty */
7976 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
7977 udelay (50);
7978 waittime -= 50;
7979 }
7980
7981 /* timeout for busy clear wait */
7982 if(waittime <= 0 ){
934d8bf1 7983 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
1da177e4
LT		 7984 return -EBUSY;
7985 }
7986
7987 /* Port is clear now write byte and wait for it to echo back */
7988 do {
7989 OUT4500(ai,SWS0,byte);
7990 udelay(50);
7991 dwelltime -= 50;
7992 echo = IN4500(ai,SWS1);
7993 } while (dwelltime >= 0 && echo != byte);
7994
7995 OUT4500(ai,SWS1,0);
7996
7997 return (echo == byte) ? 0 : -EIO;
7998}
7999
8000/*
8001 * Get a character from the card matching matchbyte
8002 * Step 3)
8003 */
ff1d2767 8004static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
1da177e4
LT		 8005 int rchar;
8006 unsigned char rbyte=0;
8007
8008 do {
8009 rchar = IN4500(ai,SWS1);
8010
8011 if(dwelltime && !(0x8000 & rchar)){
8012 dwelltime -= 10;
8013 mdelay(10);
8014 continue;
8015 }
8016 rbyte = 0xff & rchar;
8017
8018 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8019 OUT4500(ai,SWS1,0);
8020 return 0;
8021 }
8022 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8023 break;
8024 OUT4500(ai,SWS1,0);
8025
8026 }while(dwelltime > 0);
8027 return -EIO;
8028}
8029
8030/*
8031 * Transfer 32k of firmware data from user buffer to our buffer and
8032 * send to the card
8033 */
8034
ff1d2767 8035static int flashputbuf(struct airo_info *ai){
1da177e4
LT		 8036 int nwords;
8037
8038 /* Write stuff */
8039 if (test_bit(FLAG_MPI,&ai->flags))
8040 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8041 else {
8042 OUT4500(ai,AUXPAGE,0x100);
8043 OUT4500(ai,AUXOFF,0);
8044
8045 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8046 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8047 }
8048 }
8049 OUT4500(ai,SWS0,0x8000);
8050
8051 return 0;
8052}
8053
8054/*
8055 *
8056 */
ff1d2767 8057static int flashrestart(struct airo_info *ai,struct net_device *dev){
1da177e4
LT		 8058 int i,status;
8059
8060 ssleep(1); /* Added 12/7/00 */
8061 clear_bit (FLAG_FLASHING, &ai->flags);
8062 if (test_bit(FLAG_MPI, &ai->flags)) {
8063 status = mpi_init_descriptors(ai);
8064 if (status != SUCCESS)
8065 return status;
8066 }
8067 status = setup_card(ai, dev->dev_addr, 1);
8068
8069 if (!test_bit(FLAG_MPI,&ai->flags))
8070 for( i = 0; i < MAX_FIDS; i++ ) {
8071 ai->fids[i] = transmit_allocate
15db2763 8072 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
1da177e4
LT		 8073 }
8074
8075 ssleep(1); /* Added 12/7/00 */
8076 return status;
8077}
8078#endif /* CISCO_EXT */
8079
8080/*
8081 This program is free software; you can redistribute it and/or
8082 modify it under the terms of the GNU General Public License
8083 as published by the Free Software Foundation; either version 2
8084 of the License, or (at your option) any later version.
8085
8086 This program is distributed in the hope that it will be useful,
8087 but WITHOUT ANY WARRANTY; without even the implied warranty of
8088 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8089 GNU General Public License for more details.
8090
8091 In addition:
8092
8093 Redistribution and use in source and binary forms, with or without
8094 modification, are permitted provided that the following conditions
8095 are met:
8096
8097 1. Redistributions of source code must retain the above copyright
8098 notice, this list of conditions and the following disclaimer.
8099 2. Redistributions in binary form must reproduce the above copyright
8100 notice, this list of conditions and the following disclaimer in the
8101 documentation and/or other materials provided with the distribution.
8102 3. The name of the author may not be used to endorse or promote
8103 products derived from this software without specific prior written
8104 permission.
8105
8106 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8107 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8108 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8109 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8110 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8111 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8112 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8113 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8114 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8115 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8116 POSSIBILITY OF SUCH DAMAGE.
8117*/
8118
8119module_init(airo_init_module);
8120module_exit(airo_cleanup_module);
Linux kernel - Deliverables
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