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[PATCH] wireless/airo: minimal WPA awareness
[linux-2.6-block.git] / drivers / net / wireless / airo.c
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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
22#include <linux/config.h>
23#include <linux/init.h>
24
25#include <linux/kernel.h>
26#include <linux/module.h>
27#include <linux/proc_fs.h>
28#include <linux/smp_lock.h>
29
30#include <linux/sched.h>
31#include <linux/ptrace.h>
32#include <linux/slab.h>
33#include <linux/string.h>
34#include <linux/timer.h>
35#include <linux/interrupt.h>
36#include <linux/in.h>
37#include <linux/bitops.h>
378f058c 38#include <linux/scatterlist.h>
a39d3e79 39#include <linux/crypto.h>
1da177e4
LT		 40#include <asm/io.h>
41#include <asm/system.h>
42
43#include <linux/netdevice.h>
44#include <linux/etherdevice.h>
45#include <linux/skbuff.h>
46#include <linux/if_arp.h>
47#include <linux/ioport.h>
48#include <linux/pci.h>
49#include <asm/uaccess.h>
3c304956 50#include <net/ieee80211.h>
1da177e4 51
d3808760
AB		 52#include "airo.h"
53
1da177e4
LT		 54#ifdef CONFIG_PCI
55static struct pci_device_id card_ids[] = {
56 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
57 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
58 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
59 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
60 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
61 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
62 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
63 { 0, }
64};
65MODULE_DEVICE_TABLE(pci, card_ids);
66
67static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
68static void airo_pci_remove(struct pci_dev *);
05adc3b7 69static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
1da177e4
LT		 70static int airo_pci_resume(struct pci_dev *pdev);
71
72static struct pci_driver airo_driver = {
73 .name = "airo",
74 .id_table = card_ids,
75 .probe = airo_pci_probe,
76 .remove = __devexit_p(airo_pci_remove),
77 .suspend = airo_pci_suspend,
78 .resume = airo_pci_resume,
79};
80#endif /* CONFIG_PCI */
81
82/* Include Wireless Extension definition and check version - Jean II */
83#include <linux/wireless.h>
84#define WIRELESS_SPY // enable iwspy support
85#include <net/iw_handler.h> // New driver API
86
87#define CISCO_EXT // enable Cisco extensions
88#ifdef CISCO_EXT
89#include <linux/delay.h>
90#endif
91
1da177e4
LT		 92/* Hack to do some power saving */
93#define POWER_ON_DOWN
94
95/* As you can see this list is HUGH!
96 I really don't know what a lot of these counts are about, but they
97 are all here for completeness. If the IGNLABEL macro is put in
98 infront of the label, that statistic will not be included in the list
99 of statistics in the /proc filesystem */
100
101#define IGNLABEL(comment) NULL
102static char *statsLabels[] = {
103 "RxOverrun",
104 IGNLABEL("RxPlcpCrcErr"),
105 IGNLABEL("RxPlcpFormatErr"),
106 IGNLABEL("RxPlcpLengthErr"),
107 "RxMacCrcErr",
108 "RxMacCrcOk",
109 "RxWepErr",
110 "RxWepOk",
111 "RetryLong",
112 "RetryShort",
113 "MaxRetries",
114 "NoAck",
115 "NoCts",
116 "RxAck",
117 "RxCts",
118 "TxAck",
119 "TxRts",
120 "TxCts",
121 "TxMc",
122 "TxBc",
123 "TxUcFrags",
124 "TxUcPackets",
125 "TxBeacon",
126 "RxBeacon",
127 "TxSinColl",
128 "TxMulColl",
129 "DefersNo",
130 "DefersProt",
131 "DefersEngy",
132 "DupFram",
133 "RxFragDisc",
134 "TxAged",
135 "RxAged",
136 "LostSync-MaxRetry",
137 "LostSync-MissedBeacons",
138 "LostSync-ArlExceeded",
139 "LostSync-Deauth",
140 "LostSync-Disassoced",
141 "LostSync-TsfTiming",
142 "HostTxMc",
143 "HostTxBc",
144 "HostTxUc",
145 "HostTxFail",
146 "HostRxMc",
147 "HostRxBc",
148 "HostRxUc",
149 "HostRxDiscard",
150 IGNLABEL("HmacTxMc"),
151 IGNLABEL("HmacTxBc"),
152 IGNLABEL("HmacTxUc"),
153 IGNLABEL("HmacTxFail"),
154 IGNLABEL("HmacRxMc"),
155 IGNLABEL("HmacRxBc"),
156 IGNLABEL("HmacRxUc"),
157 IGNLABEL("HmacRxDiscard"),
158 IGNLABEL("HmacRxAccepted"),
159 "SsidMismatch",
160 "ApMismatch",
161 "RatesMismatch",
162 "AuthReject",
163 "AuthTimeout",
164 "AssocReject",
165 "AssocTimeout",
166 IGNLABEL("ReasonOutsideTable"),
167 IGNLABEL("ReasonStatus1"),
168 IGNLABEL("ReasonStatus2"),
169 IGNLABEL("ReasonStatus3"),
170 IGNLABEL("ReasonStatus4"),
171 IGNLABEL("ReasonStatus5"),
172 IGNLABEL("ReasonStatus6"),
173 IGNLABEL("ReasonStatus7"),
174 IGNLABEL("ReasonStatus8"),
175 IGNLABEL("ReasonStatus9"),
176 IGNLABEL("ReasonStatus10"),
177 IGNLABEL("ReasonStatus11"),
178 IGNLABEL("ReasonStatus12"),
179 IGNLABEL("ReasonStatus13"),
180 IGNLABEL("ReasonStatus14"),
181 IGNLABEL("ReasonStatus15"),
182 IGNLABEL("ReasonStatus16"),
183 IGNLABEL("ReasonStatus17"),
184 IGNLABEL("ReasonStatus18"),
185 IGNLABEL("ReasonStatus19"),
186 "RxMan",
187 "TxMan",
188 "RxRefresh",
189 "TxRefresh",
190 "RxPoll",
191 "TxPoll",
192 "HostRetries",
193 "LostSync-HostReq",
194 "HostTxBytes",
195 "HostRxBytes",
196 "ElapsedUsec",
197 "ElapsedSec",
198 "LostSyncBetterAP",
199 "PrivacyMismatch",
200 "Jammed",
201 "DiscRxNotWepped",
202 "PhyEleMismatch",
203 (char*)-1 };
204#ifndef RUN_AT
205#define RUN_AT(x) (jiffies+(x))
206#endif
207
208
209/* These variables are for insmod, since it seems that the rates
210 can only be set in setup_card. Rates should be a comma separated
211 (no spaces) list of rates (up to 8). */
212
213static int rates[8];
214static int basic_rate;
215static char *ssids[3];
216
217static int io[4];
218static int irq[4];
219
220static
221int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
222 0 means no limit. For old cards this was 4 */
223
224static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
225static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
226 the bap, needed on some older cards and buses. */
227static int adhoc;
228
229static int probe = 1;
230
231static int proc_uid /* = 0 */;
232
233static int proc_gid /* = 0 */;
234
235static int airo_perm = 0555;
236
237static int proc_perm = 0644;
238
239MODULE_AUTHOR("Benjamin Reed");
240MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
241 cards. Direct support for ISA/PCI/MPI cards and support \
242 for PCMCIA when used with airo_cs.");
243MODULE_LICENSE("Dual BSD/GPL");
244MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
245module_param_array(io, int, NULL, 0);
246module_param_array(irq, int, NULL, 0);
247module_param(basic_rate, int, 0);
248module_param_array(rates, int, NULL, 0);
249module_param_array(ssids, charp, NULL, 0);
250module_param(auto_wep, int, 0);
251MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
252the authentication options until an association is made. The value of \
253auto_wep is number of the wep keys to check. A value of 2 will try using \
254the key at index 0 and index 1.");
255module_param(aux_bap, int, 0);
256MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
257than seems to work better for older cards with some older buses. Before \
258switching it checks that the switch is needed.");
259module_param(maxencrypt, int, 0);
260MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
261encryption. Units are in 512kbs. Zero (default) means there is no limit. \
262Older cards used to be limited to 2mbs (4).");
263module_param(adhoc, int, 0);
264MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
265module_param(probe, int, 0);
266MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
267
268module_param(proc_uid, int, 0);
269MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
270module_param(proc_gid, int, 0);
271MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
272module_param(airo_perm, int, 0);
273MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
274module_param(proc_perm, int, 0);
275MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
276
277/* This is a kind of sloppy hack to get this information to OUT4500 and
278 IN4500. I would be extremely interested in the situation where this
279 doesn't work though!!! */
280static int do8bitIO = 0;
281
282/* Return codes */
283#define SUCCESS 0
284#define ERROR -1
285#define NO_PACKET -2
286
287/* Commands */
288#define NOP2 0x0000
289#define MAC_ENABLE 0x0001
290#define MAC_DISABLE 0x0002
291#define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
292#define CMD_SOFTRESET 0x0004
293#define HOSTSLEEP 0x0005
294#define CMD_MAGIC_PKT 0x0006
295#define CMD_SETWAKEMASK 0x0007
296#define CMD_READCFG 0x0008
297#define CMD_SETMODE 0x0009
298#define CMD_ALLOCATETX 0x000a
299#define CMD_TRANSMIT 0x000b
300#define CMD_DEALLOCATETX 0x000c
301#define NOP 0x0010
302#define CMD_WORKAROUND 0x0011
303#define CMD_ALLOCATEAUX 0x0020
304#define CMD_ACCESS 0x0021
305#define CMD_PCIBAP 0x0022
306#define CMD_PCIAUX 0x0023
307#define CMD_ALLOCBUF 0x0028
308#define CMD_GETTLV 0x0029
309#define CMD_PUTTLV 0x002a
310#define CMD_DELTLV 0x002b
311#define CMD_FINDNEXTTLV 0x002c
312#define CMD_PSPNODES 0x0030
313#define CMD_SETCW 0x0031
314#define CMD_SETPCF 0x0032
315#define CMD_SETPHYREG 0x003e
316#define CMD_TXTEST 0x003f
317#define MAC_ENABLETX 0x0101
318#define CMD_LISTBSS 0x0103
319#define CMD_SAVECFG 0x0108
320#define CMD_ENABLEAUX 0x0111
321#define CMD_WRITERID 0x0121
322#define CMD_USEPSPNODES 0x0130
323#define MAC_ENABLERX 0x0201
324
325/* Command errors */
326#define ERROR_QUALIF 0x00
327#define ERROR_ILLCMD 0x01
328#define ERROR_ILLFMT 0x02
329#define ERROR_INVFID 0x03
330#define ERROR_INVRID 0x04
331#define ERROR_LARGE 0x05
332#define ERROR_NDISABL 0x06
333#define ERROR_ALLOCBSY 0x07
334#define ERROR_NORD 0x0B
335#define ERROR_NOWR 0x0C
336#define ERROR_INVFIDTX 0x0D
337#define ERROR_TESTACT 0x0E
338#define ERROR_TAGNFND 0x12
339#define ERROR_DECODE 0x20
340#define ERROR_DESCUNAV 0x21
341#define ERROR_BADLEN 0x22
342#define ERROR_MODE 0x80
343#define ERROR_HOP 0x81
344#define ERROR_BINTER 0x82
345#define ERROR_RXMODE 0x83
346#define ERROR_MACADDR 0x84
347#define ERROR_RATES 0x85
348#define ERROR_ORDER 0x86
349#define ERROR_SCAN 0x87
350#define ERROR_AUTH 0x88
351#define ERROR_PSMODE 0x89
352#define ERROR_RTYPE 0x8A
353#define ERROR_DIVER 0x8B
354#define ERROR_SSID 0x8C
355#define ERROR_APLIST 0x8D
356#define ERROR_AUTOWAKE 0x8E
357#define ERROR_LEAP 0x8F
358
359/* Registers */
360#define COMMAND 0x00
361#define PARAM0 0x02
362#define PARAM1 0x04
363#define PARAM2 0x06
364#define STATUS 0x08
365#define RESP0 0x0a
366#define RESP1 0x0c
367#define RESP2 0x0e
368#define LINKSTAT 0x10
369#define SELECT0 0x18
370#define OFFSET0 0x1c
371#define RXFID 0x20
372#define TXALLOCFID 0x22
373#define TXCOMPLFID 0x24
374#define DATA0 0x36
375#define EVSTAT 0x30
376#define EVINTEN 0x32
377#define EVACK 0x34
378#define SWS0 0x28
379#define SWS1 0x2a
380#define SWS2 0x2c
381#define SWS3 0x2e
382#define AUXPAGE 0x3A
383#define AUXOFF 0x3C
384#define AUXDATA 0x3E
385
386#define FID_TX 1
387#define FID_RX 2
388/* Offset into aux memory for descriptors */
389#define AUX_OFFSET 0x800
390/* Size of allocated packets */
391#define PKTSIZE 1840
392#define RIDSIZE 2048
393/* Size of the transmit queue */
394#define MAXTXQ 64
395
396/* BAP selectors */
397#define BAP0 0 // Used for receiving packets
398#define BAP1 2 // Used for xmiting packets and working with RIDS
399
400/* Flags */
401#define COMMAND_BUSY 0x8000
402
403#define BAP_BUSY 0x8000
404#define BAP_ERR 0x4000
405#define BAP_DONE 0x2000
406
407#define PROMISC 0xffff
408#define NOPROMISC 0x0000
409
410#define EV_CMD 0x10
411#define EV_CLEARCOMMANDBUSY 0x4000
412#define EV_RX 0x01
413#define EV_TX 0x02
414#define EV_TXEXC 0x04
415#define EV_ALLOC 0x08
416#define EV_LINK 0x80
417#define EV_AWAKE 0x100
418#define EV_TXCPY 0x400
419#define EV_UNKNOWN 0x800
420#define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
421#define EV_AWAKEN 0x2000
422#define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
423
424#ifdef CHECK_UNKNOWN_INTS
425#define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
426#else
427#define IGNORE_INTS (~STATUS_INTS)
428#endif
429
430/* RID TYPES */
431#define RID_RW 0x20
432
433/* The RIDs */
434#define RID_CAPABILITIES 0xFF00
435#define RID_APINFO 0xFF01
436#define RID_RADIOINFO 0xFF02
437#define RID_UNKNOWN3 0xFF03
438#define RID_RSSI 0xFF04
439#define RID_CONFIG 0xFF10
440#define RID_SSID 0xFF11
441#define RID_APLIST 0xFF12
442#define RID_DRVNAME 0xFF13
443#define RID_ETHERENCAP 0xFF14
444#define RID_WEP_TEMP 0xFF15
445#define RID_WEP_PERM 0xFF16
446#define RID_MODULATION 0xFF17
447#define RID_OPTIONS 0xFF18
448#define RID_ACTUALCONFIG 0xFF20 /*readonly*/
449#define RID_FACTORYCONFIG 0xFF21
450#define RID_UNKNOWN22 0xFF22
451#define RID_LEAPUSERNAME 0xFF23
452#define RID_LEAPPASSWORD 0xFF24
453#define RID_STATUS 0xFF50
454#define RID_BEACON_HST 0xFF51
455#define RID_BUSY_HST 0xFF52
456#define RID_RETRIES_HST 0xFF53
457#define RID_UNKNOWN54 0xFF54
458#define RID_UNKNOWN55 0xFF55
459#define RID_UNKNOWN56 0xFF56
460#define RID_MIC 0xFF57
461#define RID_STATS16 0xFF60
462#define RID_STATS16DELTA 0xFF61
463#define RID_STATS16DELTACLEAR 0xFF62
464#define RID_STATS 0xFF68
465#define RID_STATSDELTA 0xFF69
466#define RID_STATSDELTACLEAR 0xFF6A
467#define RID_ECHOTEST_RID 0xFF70
468#define RID_ECHOTEST_RESULTS 0xFF71
469#define RID_BSSLISTFIRST 0xFF72
470#define RID_BSSLISTNEXT 0xFF73
3c304956
DW		 471#define RID_WPA_BSSLISTFIRST 0xFF74
472#define RID_WPA_BSSLISTNEXT 0xFF75
1da177e4
LT		 473
474typedef struct {
475 u16 cmd;
476 u16 parm0;
477 u16 parm1;
478 u16 parm2;
479} Cmd;
480
481typedef struct {
482 u16 status;
483 u16 rsp0;
484 u16 rsp1;
485 u16 rsp2;
486} Resp;
487
488/*
489 * Rids and endian-ness: The Rids will always be in cpu endian, since
490 * this all the patches from the big-endian guys end up doing that.
491 * so all rid access should use the read/writeXXXRid routines.
492 */
493
494/* This is redundant for x86 archs, but it seems necessary for ARM */
495#pragma pack(1)
496
497/* This structure came from an email sent to me from an engineer at
498 aironet for inclusion into this driver */
499typedef struct {
500 u16 len;
501 u16 kindex;
502 u8 mac[ETH_ALEN];
503 u16 klen;
504 u8 key[16];
505} WepKeyRid;
506
507/* These structures are from the Aironet's PC4500 Developers Manual */
508typedef struct {
509 u16 len;
510 u8 ssid[32];
511} Ssid;
512
513typedef struct {
514 u16 len;
515 Ssid ssids[3];
516} SsidRid;
517
518typedef struct {
519 u16 len;
520 u16 modulation;
521#define MOD_DEFAULT 0
522#define MOD_CCK 1
523#define MOD_MOK 2
524} ModulationRid;
525
526typedef struct {
527 u16 len; /* sizeof(ConfigRid) */
528 u16 opmode; /* operating mode */
529#define MODE_STA_IBSS 0
530#define MODE_STA_ESS 1
531#define MODE_AP 2
532#define MODE_AP_RPTR 3
533#define MODE_ETHERNET_HOST (0<<8) /* rx payloads converted */
534#define MODE_LLC_HOST (1<<8) /* rx payloads left as is */
535#define MODE_AIRONET_EXTEND (1<<9) /* enable Aironet extenstions */
536#define MODE_AP_INTERFACE (1<<10) /* enable ap interface extensions */
537#define MODE_ANTENNA_ALIGN (1<<11) /* enable antenna alignment */
538#define MODE_ETHER_LLC (1<<12) /* enable ethernet LLC */
539#define MODE_LEAF_NODE (1<<13) /* enable leaf node bridge */
540#define MODE_CF_POLLABLE (1<<14) /* enable CF pollable */
541#define MODE_MIC (1<<15) /* enable MIC */
542 u16 rmode; /* receive mode */
543#define RXMODE_BC_MC_ADDR 0
544#define RXMODE_BC_ADDR 1 /* ignore multicasts */
545#define RXMODE_ADDR 2 /* ignore multicast and broadcast */
546#define RXMODE_RFMON 3 /* wireless monitor mode */
547#define RXMODE_RFMON_ANYBSS 4
548#define RXMODE_LANMON 5 /* lan style monitor -- data packets only */
549#define RXMODE_DISABLE_802_3_HEADER (1<<8) /* disables 802.3 header on rx */
550#define RXMODE_NORMALIZED_RSSI (1<<9) /* return normalized RSSI */
551 u16 fragThresh;
552 u16 rtsThres;
553 u8 macAddr[ETH_ALEN];
554 u8 rates[8];
555 u16 shortRetryLimit;
556 u16 longRetryLimit;
557 u16 txLifetime; /* in kusec */
558 u16 rxLifetime; /* in kusec */
559 u16 stationary;
560 u16 ordering;
561 u16 u16deviceType; /* for overriding device type */
562 u16 cfpRate;
563 u16 cfpDuration;
564 u16 _reserved1[3];
565 /*---------- Scanning/Associating ----------*/
566 u16 scanMode;
567#define SCANMODE_ACTIVE 0
568#define SCANMODE_PASSIVE 1
569#define SCANMODE_AIROSCAN 2
570 u16 probeDelay; /* in kusec */
571 u16 probeEnergyTimeout; /* in kusec */
572 u16 probeResponseTimeout;
573 u16 beaconListenTimeout;
574 u16 joinNetTimeout;
575 u16 authTimeout;
576 u16 authType;
577#define AUTH_OPEN 0x1
578#define AUTH_ENCRYPT 0x101
579#define AUTH_SHAREDKEY 0x102
580#define AUTH_ALLOW_UNENCRYPTED 0x200
581 u16 associationTimeout;
582 u16 specifiedApTimeout;
583 u16 offlineScanInterval;
584 u16 offlineScanDuration;
585 u16 linkLossDelay;
586 u16 maxBeaconLostTime;
587 u16 refreshInterval;
588#define DISABLE_REFRESH 0xFFFF
589 u16 _reserved1a[1];
590 /*---------- Power save operation ----------*/
591 u16 powerSaveMode;
592#define POWERSAVE_CAM 0
593#define POWERSAVE_PSP 1
594#define POWERSAVE_PSPCAM 2
595 u16 sleepForDtims;
596 u16 listenInterval;
597 u16 fastListenInterval;
598 u16 listenDecay;
599 u16 fastListenDelay;
600 u16 _reserved2[2];
601 /*---------- Ap/Ibss config items ----------*/
602 u16 beaconPeriod;
603 u16 atimDuration;
604 u16 hopPeriod;
605 u16 channelSet;
606 u16 channel;
607 u16 dtimPeriod;
608 u16 bridgeDistance;
609 u16 radioID;
610 /*---------- Radio configuration ----------*/
611 u16 radioType;
612#define RADIOTYPE_DEFAULT 0
613#define RADIOTYPE_802_11 1
614#define RADIOTYPE_LEGACY 2
615 u8 rxDiversity;
616 u8 txDiversity;
617 u16 txPower;
618#define TXPOWER_DEFAULT 0
619 u16 rssiThreshold;
620#define RSSI_DEFAULT 0
621 u16 modulation;
622#define PREAMBLE_AUTO 0
623#define PREAMBLE_LONG 1
624#define PREAMBLE_SHORT 2
625 u16 preamble;
626 u16 homeProduct;
627 u16 radioSpecific;
628 /*---------- Aironet Extensions ----------*/
629 u8 nodeName[16];
630 u16 arlThreshold;
631 u16 arlDecay;
632 u16 arlDelay;
633 u16 _reserved4[1];
634 /*---------- Aironet Extensions ----------*/
635 u8 magicAction;
636#define MAGIC_ACTION_STSCHG 1
637#define MAGIC_ACTION_RESUME 2
638#define MAGIC_IGNORE_MCAST (1<<8)
639#define MAGIC_IGNORE_BCAST (1<<9)
640#define MAGIC_SWITCH_TO_PSP (0<<10)
641#define MAGIC_STAY_IN_CAM (1<<10)
642 u8 magicControl;
643 u16 autoWake;
644} ConfigRid;
645
646typedef struct {
647 u16 len;
648 u8 mac[ETH_ALEN];
649 u16 mode;
650 u16 errorCode;
651 u16 sigQuality;
652 u16 SSIDlen;
653 char SSID[32];
654 char apName[16];
655 u8 bssid[4][ETH_ALEN];
656 u16 beaconPeriod;
657 u16 dimPeriod;
658 u16 atimDuration;
659 u16 hopPeriod;
660 u16 channelSet;
661 u16 channel;
662 u16 hopsToBackbone;
663 u16 apTotalLoad;
664 u16 generatedLoad;
665 u16 accumulatedArl;
666 u16 signalQuality;
667 u16 currentXmitRate;
668 u16 apDevExtensions;
669 u16 normalizedSignalStrength;
670 u16 shortPreamble;
671 u8 apIP[4];
672 u8 noisePercent; /* Noise percent in last second */
673 u8 noisedBm; /* Noise dBm in last second */
674 u8 noiseAvePercent; /* Noise percent in last minute */
675 u8 noiseAvedBm; /* Noise dBm in last minute */
676 u8 noiseMaxPercent; /* Highest noise percent in last minute */
677 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
678 u16 load;
679 u8 carrier[4];
680 u16 assocStatus;
681#define STAT_NOPACKETS 0
682#define STAT_NOCARRIERSET 10
683#define STAT_GOTCARRIERSET 11
684#define STAT_WRONGSSID 20
685#define STAT_BADCHANNEL 25
686#define STAT_BADBITRATES 30
687#define STAT_BADPRIVACY 35
688#define STAT_APFOUND 40
689#define STAT_APREJECTED 50
690#define STAT_AUTHENTICATING 60
691#define STAT_DEAUTHENTICATED 61
692#define STAT_AUTHTIMEOUT 62
693#define STAT_ASSOCIATING 70
694#define STAT_DEASSOCIATED 71
695#define STAT_ASSOCTIMEOUT 72
696#define STAT_NOTAIROAP 73
697#define STAT_ASSOCIATED 80
698#define STAT_LEAPING 90
699#define STAT_LEAPFAILED 91
700#define STAT_LEAPTIMEDOUT 92
701#define STAT_LEAPCOMPLETE 93
702} StatusRid;
703
704typedef struct {
705 u16 len;
706 u16 spacer;
707 u32 vals[100];
708} StatsRid;
709
710
711typedef struct {
712 u16 len;
713 u8 ap[4][ETH_ALEN];
714} APListRid;
715
716typedef struct {
717 u16 len;
718 char oui[3];
719 char zero;
720 u16 prodNum;
721 char manName[32];
722 char prodName[16];
723 char prodVer[8];
724 char factoryAddr[ETH_ALEN];
725 char aironetAddr[ETH_ALEN];
726 u16 radioType;
727 u16 country;
728 char callid[ETH_ALEN];
729 char supportedRates[8];
730 char rxDiversity;
731 char txDiversity;
732 u16 txPowerLevels[8];
733 u16 hardVer;
734 u16 hardCap;
735 u16 tempRange;
736 u16 softVer;
737 u16 softSubVer;
738 u16 interfaceVer;
739 u16 softCap;
740 u16 bootBlockVer;
741 u16 requiredHard;
742 u16 extSoftCap;
743} CapabilityRid;
744
3c304956
DW		 745
746/* Only present on firmware >= 5.30.17 */
747typedef struct {
748 u16 unknown[4];
749 u8 fixed[12]; /* WLAN management frame */
750 u8 iep[624];
751} BSSListRidExtra;
752
1da177e4
LT		 753typedef struct {
754 u16 len;
755 u16 index; /* First is 0 and 0xffff means end of list */
756#define RADIO_FH 1 /* Frequency hopping radio type */
757#define RADIO_DS 2 /* Direct sequence radio type */
758#define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
759 u16 radioType;
760 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
761 u8 zero;
762 u8 ssidLen;
763 u8 ssid[32];
41480af2 764 u16 dBm;
1da177e4
LT		 765#define CAP_ESS (1<<0)
766#define CAP_IBSS (1<<1)
767#define CAP_PRIVACY (1<<4)
768#define CAP_SHORTHDR (1<<5)
769 u16 cap;
770 u16 beaconInterval;
771 u8 rates[8]; /* Same as rates for config rid */
772 struct { /* For frequency hopping only */
773 u16 dwell;
774 u8 hopSet;
775 u8 hopPattern;
776 u8 hopIndex;
777 u8 fill;
778 } fh;
779 u16 dsChannel;
780 u16 atimWindow;
3c304956
DW		 781
782 /* Only present on firmware >= 5.30.17 */
783 BSSListRidExtra extra;
1da177e4
LT		 784} BSSListRid;
785
9e75af30
DW		 786typedef struct {
787 BSSListRid bss;
788 struct list_head list;
789} BSSListElement;
790
1da177e4
LT		 791typedef struct {
792 u8 rssipct;
793 u8 rssidBm;
794} tdsRssiEntry;
795
796typedef struct {
797 u16 len;
798 tdsRssiEntry x[256];
799} tdsRssiRid;
800
801typedef struct {
802 u16 len;
803 u16 state;
804 u16 multicastValid;
805 u8 multicast[16];
806 u16 unicastValid;
807 u8 unicast[16];
808} MICRid;
809
810typedef struct {
811 u16 typelen;
812
813 union {
814 u8 snap[8];
815 struct {
816 u8 dsap;
817 u8 ssap;
818 u8 control;
819 u8 orgcode[3];
820 u8 fieldtype[2];
821 } llc;
822 } u;
823 u32 mic;
824 u32 seq;
825} MICBuffer;
826
827typedef struct {
828 u8 da[ETH_ALEN];
829 u8 sa[ETH_ALEN];
830} etherHead;
831
832#pragma pack()
833
834#define TXCTL_TXOK (1<<1) /* report if tx is ok */
835#define TXCTL_TXEX (1<<2) /* report if tx fails */
836#define TXCTL_802_3 (0<<3) /* 802.3 packet */
837#define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
838#define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
839#define TXCTL_LLC (1<<4) /* payload is llc */
840#define TXCTL_RELEASE (0<<5) /* release after completion */
841#define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
842
843#define BUSY_FID 0x10000
844
845#ifdef CISCO_EXT
846#define AIROMAGIC 0xa55a
847/* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
848#ifdef SIOCIWFIRSTPRIV
849#ifdef SIOCDEVPRIVATE
850#define AIROOLDIOCTL SIOCDEVPRIVATE
851#define AIROOLDIDIFC AIROOLDIOCTL + 1
852#endif /* SIOCDEVPRIVATE */
853#else /* SIOCIWFIRSTPRIV */
854#define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
855#endif /* SIOCIWFIRSTPRIV */
856/* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
857 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
858 * only and don't return the modified struct ifreq to the application which
859 * is usually a problem. - Jean II */
860#define AIROIOCTL SIOCIWFIRSTPRIV
861#define AIROIDIFC AIROIOCTL + 1
862
863/* Ioctl constants to be used in airo_ioctl.command */
864
865#define AIROGCAP 0 // Capability rid
866#define AIROGCFG 1 // USED A LOT
867#define AIROGSLIST 2 // System ID list
868#define AIROGVLIST 3 // List of specified AP's
869#define AIROGDRVNAM 4 // NOTUSED
870#define AIROGEHTENC 5 // NOTUSED
871#define AIROGWEPKTMP 6
872#define AIROGWEPKNV 7
873#define AIROGSTAT 8
874#define AIROGSTATSC32 9
875#define AIROGSTATSD32 10
876#define AIROGMICRID 11
877#define AIROGMICSTATS 12
878#define AIROGFLAGS 13
879#define AIROGID 14
880#define AIRORRID 15
881#define AIRORSWVERSION 17
882
883/* Leave gap of 40 commands after AIROGSTATSD32 for future */
884
885#define AIROPCAP AIROGSTATSD32 + 40
886#define AIROPVLIST AIROPCAP + 1
887#define AIROPSLIST AIROPVLIST + 1
888#define AIROPCFG AIROPSLIST + 1
889#define AIROPSIDS AIROPCFG + 1
890#define AIROPAPLIST AIROPSIDS + 1
891#define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
892#define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
893#define AIROPSTCLR AIROPMACOFF + 1
894#define AIROPWEPKEY AIROPSTCLR + 1
895#define AIROPWEPKEYNV AIROPWEPKEY + 1
896#define AIROPLEAPPWD AIROPWEPKEYNV + 1
897#define AIROPLEAPUSR AIROPLEAPPWD + 1
898
899/* Flash codes */
900
901#define AIROFLSHRST AIROPWEPKEYNV + 40
902#define AIROFLSHGCHR AIROFLSHRST + 1
903#define AIROFLSHSTFL AIROFLSHGCHR + 1
904#define AIROFLSHPCHR AIROFLSHSTFL + 1
905#define AIROFLPUTBUF AIROFLSHPCHR + 1
906#define AIRORESTART AIROFLPUTBUF + 1
907
908#define FLASHSIZE 32768
909#define AUXMEMSIZE (256 * 1024)
910
911typedef struct aironet_ioctl {
912 unsigned short command; // What to do
913 unsigned short len; // Len of data
914 unsigned short ridnum; // rid number
915 unsigned char __user *data; // d-data
916} aironet_ioctl;
917
62595eb9 918static char swversion[] = "2.1";
1da177e4
LT		 919#endif /* CISCO_EXT */
920
921#define NUM_MODULES 2
922#define MIC_MSGLEN_MAX 2400
923#define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
15db2763 924#define AIRO_DEF_MTU 2312
1da177e4
LT		 925
926typedef struct {
927 u32 size; // size
928 u8 enabled; // MIC enabled or not
929 u32 rxSuccess; // successful packets received
930 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
931 u32 rxNotMICed; // pkts dropped due to not being MIC'd
932 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
933 u32 rxWrongSequence; // pkts dropped due to sequence number violation
934 u32 reserve[32];
935} mic_statistics;
936
937typedef struct {
938 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
939 u64 accum; // accumulated mic, reduced to u32 in final()
940 int position; // current position (byte offset) in message
941 union {
942 u8 d8[4];
943 u32 d32;
944 } part; // saves partial message word across update() calls
945} emmh32_context;
946
947typedef struct {
948 emmh32_context seed; // Context - the seed
949 u32 rx; // Received sequence number
950 u32 tx; // Tx sequence number
951 u32 window; // Start of window
952 u8 valid; // Flag to say if context is valid or not
953 u8 key[16];
954} miccntx;
955
956typedef struct {
957 miccntx mCtx; // Multicast context
958 miccntx uCtx; // Unicast context
959} mic_module;
960
961typedef struct {
962 unsigned int rid: 16;
963 unsigned int len: 15;
964 unsigned int valid: 1;
965 dma_addr_t host_addr;
966} Rid;
967
968typedef struct {
969 unsigned int offset: 15;
970 unsigned int eoc: 1;
971 unsigned int len: 15;
972 unsigned int valid: 1;
973 dma_addr_t host_addr;
974} TxFid;
975
976typedef struct {
977 unsigned int ctl: 15;
978 unsigned int rdy: 1;
979 unsigned int len: 15;
980 unsigned int valid: 1;
981 dma_addr_t host_addr;
982} RxFid;
983
984/*
985 * Host receive descriptor
986 */
987typedef struct {
988 unsigned char __iomem *card_ram_off; /* offset into card memory of the
989 desc */
990 RxFid rx_desc; /* card receive descriptor */
991 char *virtual_host_addr; /* virtual address of host receive
992 buffer */
993 int pending;
994} HostRxDesc;
995
996/*
997 * Host transmit descriptor
998 */
999typedef struct {
1000 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1001 desc */
1002 TxFid tx_desc; /* card transmit descriptor */
1003 char *virtual_host_addr; /* virtual address of host receive
1004 buffer */
1005 int pending;
1006} HostTxDesc;
1007
1008/*
1009 * Host RID descriptor
1010 */
1011typedef struct {
1012 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1013 descriptor */
1014 Rid rid_desc; /* card RID descriptor */
1015 char *virtual_host_addr; /* virtual address of host receive
1016 buffer */
1017} HostRidDesc;
1018
1019typedef struct {
1020 u16 sw0;
1021 u16 sw1;
1022 u16 status;
1023 u16 len;
1024#define HOST_SET (1 << 0)
1025#define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1026#define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1027#define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1028#define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1029#define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1030#define HOST_CLR_AID (1 << 7) /* clear AID failure */
1031#define HOST_RTS (1 << 9) /* Force RTS use */
1032#define HOST_SHORT (1 << 10) /* Do short preamble */
1033 u16 ctl;
1034 u16 aid;
1035 u16 retries;
1036 u16 fill;
1037} TxCtlHdr;
1038
1039typedef struct {
1040 u16 ctl;
1041 u16 duration;
1042 char addr1[6];
1043 char addr2[6];
1044 char addr3[6];
1045 u16 seq;
1046 char addr4[6];
1047} WifiHdr;
1048
1049
1050typedef struct {
1051 TxCtlHdr ctlhdr;
1052 u16 fill1;
1053 u16 fill2;
1054 WifiHdr wifihdr;
1055 u16 gaplen;
1056 u16 status;
1057} WifiCtlHdr;
1058
ff1d2767 1059static WifiCtlHdr wifictlhdr8023 = {
1da177e4
LT		 1060 .ctlhdr = {
1061 .ctl = HOST_DONT_RLSE,
1062 }
1063};
1064
1da177e4
LT		 1065// Frequency list (map channels to frequencies)
1066static const long frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1067 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
1068
1069// A few details needed for WEP (Wireless Equivalent Privacy)
1070#define MAX_KEY_SIZE 13 // 128 (?) bits
1071#define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1072typedef struct wep_key_t {
1073 u16 len;
1074 u8 key[16]; /* 40-bit and 104-bit keys */
1075} wep_key_t;
1076
1077/* Backward compatibility */
1078#ifndef IW_ENCODE_NOKEY
1079#define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1080#define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1081#endif /* IW_ENCODE_NOKEY */
1082
1083/* List of Wireless Handlers (new API) */
1084static const struct iw_handler_def airo_handler_def;
1da177e4
LT		 1085
1086static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1087
1088struct airo_info;
1089
1090static int get_dec_u16( char *buffer, int *start, int limit );
1091static void OUT4500( struct airo_info *, u16 register, u16 value );
1092static unsigned short IN4500( struct airo_info *, u16 register );
1093static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1094static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock );
1095static void disable_MAC(struct airo_info *ai, int lock);
1096static void enable_interrupts(struct airo_info*);
1097static void disable_interrupts(struct airo_info*);
1098static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1099static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1100static int aux_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1101 int whichbap);
1102static int fast_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1103 int whichbap);
1104static int bap_write(struct airo_info*, const u16 *pu16Src, int bytelen,
1105 int whichbap);
1106static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1107static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1108static int PC4500_writerid(struct airo_info*, u16 rid, const void
1109 *pBuf, int len, int lock);
1110static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1111 int len, int dummy );
1112static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1113static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1114static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1115
1116static int mpi_send_packet (struct net_device *dev);
1117static void mpi_unmap_card(struct pci_dev *pci);
1118static void mpi_receive_802_3(struct airo_info *ai);
1119static void mpi_receive_802_11(struct airo_info *ai);
1120static int waitbusy (struct airo_info *ai);
1121
1122static irqreturn_t airo_interrupt( int irq, void* dev_id, struct pt_regs
1123 *regs);
1124static int airo_thread(void *data);
1125static void timer_func( struct net_device *dev );
1126static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
ff1d2767 1127static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1da177e4 1128static void airo_read_wireless_stats (struct airo_info *local);
1da177e4
LT		 1129#ifdef CISCO_EXT
1130static int readrids(struct net_device *dev, aironet_ioctl *comp);
1131static int writerids(struct net_device *dev, aironet_ioctl *comp);
ff1d2767 1132static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1da177e4 1133#endif /* CISCO_EXT */
1da177e4
LT		 1134static void micinit(struct airo_info *ai);
1135static int micsetup(struct airo_info *ai);
1136static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1137static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1138
41480af2
DW		 1139static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1140static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1141
9e75af30
DW		 1142static void airo_networks_free(struct airo_info *ai);
1143
1da177e4
LT		 1144struct airo_info {
1145 struct net_device_stats stats;
1146 struct net_device *dev;
1147 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1148 use the high bit to mark whether it is in use. */
1149#define MAX_FIDS 6
1150#define MPI_MAX_FIDS 1
1151 int fids[MAX_FIDS];
1152 ConfigRid config;
1153 char keyindex; // Used with auto wep
1154 char defindex; // Used with auto wep
1155 struct proc_dir_entry *proc_entry;
1156 spinlock_t aux_lock;
1da177e4
LT		 1157#define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1158#define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1159#define FLAG_RADIO_MASK 0x03
1160#define FLAG_ENABLED 2
1161#define FLAG_ADHOC 3 /* Needed by MIC */
1162#define FLAG_MIC_CAPABLE 4
1163#define FLAG_UPDATE_MULTI 5
1164#define FLAG_UPDATE_UNI 6
1165#define FLAG_802_11 7
3c304956 1166#define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1da177e4
LT		 1167#define FLAG_PENDING_XMIT 9
1168#define FLAG_PENDING_XMIT11 10
1169#define FLAG_MPI 11
1170#define FLAG_REGISTERED 12
1171#define FLAG_COMMIT 13
1172#define FLAG_RESET 14
1173#define FLAG_FLASHING 15
3c304956
DW		 1174#define FLAG_WPA_CAPABLE 16
1175 unsigned long flags;
1176#define JOB_DIE 0
1177#define JOB_XMIT 1
1178#define JOB_XMIT11 2
1179#define JOB_STATS 3
1180#define JOB_PROMISC 4
1181#define JOB_MIC 5
1182#define JOB_EVENT 6
1183#define JOB_AUTOWEP 7
1184#define JOB_WSTATS 8
1185#define JOB_SCAN_RESULTS 9
1186 unsigned long jobs;
1da177e4
LT		 1187 int (*bap_read)(struct airo_info*, u16 *pu16Dst, int bytelen,
1188 int whichbap);
1189 unsigned short *flash;
1190 tdsRssiEntry *rssi;
1191 struct task_struct *task;
1192 struct semaphore sem;
1193 pid_t thr_pid;
1194 wait_queue_head_t thr_wait;
1195 struct completion thr_exited;
1196 unsigned long expires;
1197 struct {
1198 struct sk_buff *skb;
1199 int fid;
1200 } xmit, xmit11;
1201 struct net_device *wifidev;
1da177e4 1202 struct iw_statistics wstats; // wireless stats
9e75af30 1203 unsigned long scan_timeout; /* Time scan should be read */
1da177e4
LT		 1204 struct iw_spy_data spy_data;
1205 struct iw_public_data wireless_data;
1da177e4
LT		 1206 /* MIC stuff */
1207 struct crypto_tfm *tfm;
1208 mic_module mod[2];
1209 mic_statistics micstats;
1da177e4
LT		 1210 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1211 HostTxDesc txfids[MPI_MAX_FIDS];
1212 HostRidDesc config_desc;
1213 unsigned long ridbus; // phys addr of config_desc
1214 struct sk_buff_head txq;// tx queue used by mpi350 code
1215 struct pci_dev *pci;
1216 unsigned char __iomem *pcimem;
1217 unsigned char __iomem *pciaux;
1218 unsigned char *shared;
1219 dma_addr_t shared_dma;
1cc68ae0 1220 pm_message_t power;
1da177e4
LT		 1221 SsidRid *SSID;
1222 APListRid *APList;
1223#define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1224 char proc_name[IFNAMSIZ];
9e75af30 1225
3c304956
DW		 1226 /* WPA-related stuff */
1227 unsigned int bssListFirst;
1228 unsigned int bssListNext;
1229 unsigned int bssListRidLen;
1230
9e75af30
DW		 1231 struct list_head network_list;
1232 struct list_head network_free_list;
1233 BSSListElement *networks;
1da177e4
LT		 1234};
1235
1236static inline int bap_read(struct airo_info *ai, u16 *pu16Dst, int bytelen,
1237 int whichbap) {
1238 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1239}
1240
1241static int setup_proc_entry( struct net_device *dev,
1242 struct airo_info *apriv );
1243static int takedown_proc_entry( struct net_device *dev,
1244 struct airo_info *apriv );
1245
ff1d2767
JM		 1246static int cmdreset(struct airo_info *ai);
1247static int setflashmode (struct airo_info *ai);
1248static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1249static int flashputbuf(struct airo_info *ai);
1250static int flashrestart(struct airo_info *ai,struct net_device *dev);
1251
934d8bf1
DW		 1252#define airo_print(type, name, fmt, args...) \
1253 { printk(type "airo(%s): " fmt "\n", name, ##args); }
1254
1255#define airo_print_info(name, fmt, args...) \
1256 airo_print(KERN_INFO, name, fmt, ##args)
1257
1258#define airo_print_dbg(name, fmt, args...) \
1259 airo_print(KERN_DEBUG, name, fmt, ##args)
1260
1261#define airo_print_warn(name, fmt, args...) \
1262 airo_print(KERN_WARNING, name, fmt, ##args)
1263
1264#define airo_print_err(name, fmt, args...) \
1265 airo_print(KERN_ERR, name, fmt, ##args)
1266
1267
1da177e4
LT		 1268/***********************************************************************
1269 * MIC ROUTINES *
1270 ***********************************************************************
1271 */
1272
1273static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1274static void MoveWindow(miccntx *context, u32 micSeq);
ff1d2767
JM		 1275static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen, struct crypto_tfm *);
1276static void emmh32_init(emmh32_context *context);
1277static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1278static void emmh32_final(emmh32_context *context, u8 digest[4]);
1279static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1da177e4
LT		 1280
1281/* micinit - Initialize mic seed */
1282
1283static void micinit(struct airo_info *ai)
1284{
1285 MICRid mic_rid;
1286
3c304956 1287 clear_bit(JOB_MIC, &ai->jobs);
1da177e4
LT		 1288 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1289 up(&ai->sem);
1290
1291 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1292
1293 if (ai->micstats.enabled) {
1294 /* Key must be valid and different */
1295 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1296 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1297 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1298 /* Age current mic Context */
1299 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1300 /* Initialize new context */
1301 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1302 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1303 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1304 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1305 ai->mod[0].mCtx.valid = 1; //Key is now valid
1306
1307 /* Give key to mic seed */
1308 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1309 }
1310
1311 /* Key must be valid and different */
1312 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1313 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1314 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1315 /* Age current mic Context */
1316 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1317 /* Initialize new context */
1318 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1319
1320 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1321 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1322 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1323 ai->mod[0].uCtx.valid = 1; //Key is now valid
1324
1325 //Give key to mic seed
1326 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1327 }
1328 } else {
1329 /* So next time we have a valid key and mic is enabled, we will update
1330 * the sequence number if the key is the same as before.
1331 */
1332 ai->mod[0].uCtx.valid = 0;
1333 ai->mod[0].mCtx.valid = 0;
1334 }
1335}
1336
1337/* micsetup - Get ready for business */
1338
1339static int micsetup(struct airo_info *ai) {
1340 int i;
1341
1342 if (ai->tfm == NULL)
eb6f1160 1343 ai->tfm = crypto_alloc_tfm("aes", CRYPTO_TFM_REQ_MAY_SLEEP);
1da177e4
LT		 1344
1345 if (ai->tfm == NULL) {
934d8bf1 1346 airo_print_err(ai->dev->name, "failed to load transform for AES");
1da177e4
LT		 1347 return ERROR;
1348 }
1349
1350 for (i=0; i < NUM_MODULES; i++) {
1351 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1352 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1353 }
1354 return SUCCESS;
1355}
1356
ff1d2767 1357static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1da177e4
LT		 1358
1359/*===========================================================================
1360 * Description: Mic a packet
1361 *
1362 * Inputs: etherHead * pointer to an 802.3 frame
1363 *
1364 * Returns: BOOLEAN if successful, otherwise false.
1365 * PacketTxLen will be updated with the mic'd packets size.
1366 *
1367 * Caveats: It is assumed that the frame buffer will already
1368 * be big enough to hold the largets mic message possible.
1369 * (No memory allocation is done here).
1370 *
1371 * Author: sbraneky (10/15/01)
1372 * Merciless hacks by rwilcher (1/14/02)
1373 */
1374
1375static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1376{
1377 miccntx *context;
1378
1379 // Determine correct context
1380 // If not adhoc, always use unicast key
1381
1382 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1383 context = &ai->mod[0].mCtx;
1384 else
1385 context = &ai->mod[0].uCtx;
1386
1387 if (!context->valid)
1388 return ERROR;
1389
1390 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1391
1392 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1393
1394 // Add Tx sequence
1395 mic->seq = htonl(context->tx);
1396 context->tx += 2;
1397
1398 emmh32_init(&context->seed); // Mic the packet
1399 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1400 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1401 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1402 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1403 emmh32_final(&context->seed, (u8*)&mic->mic);
1404
1405 /* New Type/length ?????????? */
1406 mic->typelen = 0; //Let NIC know it could be an oversized packet
1407 return SUCCESS;
1408}
1409
1410typedef enum {
1411 NONE,
1412 NOMIC,
1413 NOMICPLUMMED,
1414 SEQUENCE,
1415 INCORRECTMIC,
1416} mic_error;
1417
1418/*===========================================================================
1419 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1420 * (removes the MIC stuff) if packet is a valid packet.
1421 *
1422 * Inputs: etherHead pointer to the 802.3 packet
1423 *
1424 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1425 *
1426 * Author: sbraneky (10/15/01)
1427 * Merciless hacks by rwilcher (1/14/02)
1428 *---------------------------------------------------------------------------
1429 */
1430
1431static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1432{
1433 int i;
1434 u32 micSEQ;
1435 miccntx *context;
1436 u8 digest[4];
1437 mic_error micError = NONE;
1438
1439 // Check if the packet is a Mic'd packet
1440
1441 if (!ai->micstats.enabled) {
1442 //No Mic set or Mic OFF but we received a MIC'd packet.
1443 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1444 ai->micstats.rxMICPlummed++;
1445 return ERROR;
1446 }
1447 return SUCCESS;
1448 }
1449
1450 if (ntohs(mic->typelen) == 0x888E)
1451 return SUCCESS;
1452
1453 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1454 // Mic enabled but packet isn't Mic'd
1455 ai->micstats.rxMICPlummed++;
1456 return ERROR;
1457 }
1458
1459 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1460
1461 //At this point we a have a mic'd packet and mic is enabled
1462 //Now do the mic error checking.
1463
1464 //Receive seq must be odd
1465 if ( (micSEQ & 1) == 0 ) {
1466 ai->micstats.rxWrongSequence++;
1467 return ERROR;
1468 }
1469
1470 for (i = 0; i < NUM_MODULES; i++) {
1471 int mcast = eth->da[0] & 1;
1472 //Determine proper context
1473 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1474
1475 //Make sure context is valid
1476 if (!context->valid) {
1477 if (i == 0)
1478 micError = NOMICPLUMMED;
1479 continue;
1480 }
1481 //DeMic it
1482
1483 if (!mic->typelen)
1484 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1485
1486 emmh32_init(&context->seed);
1487 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1488 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1489 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1490 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1491 //Calculate MIC
1492 emmh32_final(&context->seed, digest);
1493
1494 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1495 //Invalid Mic
1496 if (i == 0)
1497 micError = INCORRECTMIC;
1498 continue;
1499 }
1500
1501 //Check Sequence number if mics pass
1502 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1503 ai->micstats.rxSuccess++;
1504 return SUCCESS;
1505 }
1506 if (i == 0)
1507 micError = SEQUENCE;
1508 }
1509
1510 // Update statistics
1511 switch (micError) {
1512 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1513 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1514 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1515 case NONE: break;
1516 case NOMIC: break;
1517 }
1518 return ERROR;
1519}
1520
1521/*===========================================================================
1522 * Description: Checks the Rx Seq number to make sure it is valid
1523 * and hasn't already been received
1524 *
1525 * Inputs: miccntx - mic context to check seq against
1526 * micSeq - the Mic seq number
1527 *
1528 * Returns: TRUE if valid otherwise FALSE.
1529 *
1530 * Author: sbraneky (10/15/01)
1531 * Merciless hacks by rwilcher (1/14/02)
1532 *---------------------------------------------------------------------------
1533 */
1534
1535static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1536{
1537 u32 seq,index;
1538
1539 //Allow for the ap being rebooted - if it is then use the next
1540 //sequence number of the current sequence number - might go backwards
1541
1542 if (mcast) {
1543 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1544 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1545 context->window = (micSeq > 33) ? micSeq : 33;
1546 context->rx = 0; // Reset rx
1547 }
1548 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1549 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1550 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1551 context->rx = 0; // Reset rx
1552 }
1553
1554 //Make sequence number relative to START of window
1555 seq = micSeq - (context->window - 33);
1556
1557 //Too old of a SEQ number to check.
1558 if ((s32)seq < 0)
1559 return ERROR;
1560
1561 if ( seq > 64 ) {
1562 //Window is infinite forward
1563 MoveWindow(context,micSeq);
1564 return SUCCESS;
1565 }
1566
1567 // We are in the window. Now check the context rx bit to see if it was already sent
1568 seq >>= 1; //divide by 2 because we only have odd numbers
1569 index = 1 << seq; //Get an index number
1570
1571 if (!(context->rx & index)) {
1572 //micSEQ falls inside the window.
1573 //Add seqence number to the list of received numbers.
1574 context->rx |= index;
1575
1576 MoveWindow(context,micSeq);
1577
1578 return SUCCESS;
1579 }
1580 return ERROR;
1581}
1582
1583static void MoveWindow(miccntx *context, u32 micSeq)
1584{
1585 u32 shift;
1586
1587 //Move window if seq greater than the middle of the window
1588 if (micSeq > context->window) {
1589 shift = (micSeq - context->window) >> 1;
1590
1591 //Shift out old
1592 if (shift < 32)
1593 context->rx >>= shift;
1594 else
1595 context->rx = 0;
1596
1597 context->window = micSeq; //Move window
1598 }
1599}
1600
1601/*==============================================*/
1602/*========== EMMH ROUTINES ====================*/
1603/*==============================================*/
1604
1605/* mic accumulate */
1606#define MIC_ACCUM(val) \
1607 context->accum += (u64)(val) * context->coeff[coeff_position++];
1608
1609static unsigned char aes_counter[16];
1610
1611/* expand the key to fill the MMH coefficient array */
ff1d2767 1612static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen, struct crypto_tfm *tfm)
1da177e4
LT		 1613{
1614 /* take the keying material, expand if necessary, truncate at 16-bytes */
1615 /* run through AES counter mode to generate context->coeff[] */
1616
1617 int i,j;
1618 u32 counter;
1619 u8 *cipher, plain[16];
1620 struct scatterlist sg[1];
1621
1622 crypto_cipher_setkey(tfm, pkey, 16);
1623 counter = 0;
1624 for (i = 0; i < (sizeof(context->coeff)/sizeof(context->coeff[0])); ) {
1625 aes_counter[15] = (u8)(counter >> 0);
1626 aes_counter[14] = (u8)(counter >> 8);
1627 aes_counter[13] = (u8)(counter >> 16);
1628 aes_counter[12] = (u8)(counter >> 24);
1629 counter++;
1630 memcpy (plain, aes_counter, 16);
6df5b9f4 1631 sg_set_buf(sg, plain, 16);
1da177e4 1632 crypto_cipher_encrypt(tfm, sg, sg, 16);
6df5b9f4 1633 cipher = kmap(sg->page) + sg->offset;
1da177e4
LT		 1634 for (j=0; (j<16) && (i< (sizeof(context->coeff)/sizeof(context->coeff[0]))); ) {
1635 context->coeff[i++] = ntohl(*(u32 *)&cipher[j]);
1636 j += 4;
1637 }
1638 }
1639}
1640
1641/* prepare for calculation of a new mic */
ff1d2767 1642static void emmh32_init(emmh32_context *context)
1da177e4
LT		 1643{
1644 /* prepare for new mic calculation */
1645 context->accum = 0;
1646 context->position = 0;
1647}
1648
1649/* add some bytes to the mic calculation */
ff1d2767 1650static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1da177e4
LT		 1651{
1652 int coeff_position, byte_position;
1653
1654 if (len == 0) return;
1655
1656 coeff_position = context->position >> 2;
1657
1658 /* deal with partial 32-bit word left over from last update */
1659 byte_position = context->position & 3;
1660 if (byte_position) {
1661 /* have a partial word in part to deal with */
1662 do {
1663 if (len == 0) return;
1664 context->part.d8[byte_position++] = *pOctets++;
1665 context->position++;
1666 len--;
1667 } while (byte_position < 4);
1668 MIC_ACCUM(htonl(context->part.d32));
1669 }
1670
1671 /* deal with full 32-bit words */
1672 while (len >= 4) {
1673 MIC_ACCUM(htonl(*(u32 *)pOctets));
1674 context->position += 4;
1675 pOctets += 4;
1676 len -= 4;
1677 }
1678
1679 /* deal with partial 32-bit word that will be left over from this update */
1680 byte_position = 0;
1681 while (len > 0) {
1682 context->part.d8[byte_position++] = *pOctets++;
1683 context->position++;
1684 len--;
1685 }
1686}
1687
1688/* mask used to zero empty bytes for final partial word */
1689static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1690
1691/* calculate the mic */
ff1d2767 1692static void emmh32_final(emmh32_context *context, u8 digest[4])
1da177e4
LT		 1693{
1694 int coeff_position, byte_position;
1695 u32 val;
1696
1697 u64 sum, utmp;
1698 s64 stmp;
1699
1700 coeff_position = context->position >> 2;
1701
1702 /* deal with partial 32-bit word left over from last update */
1703 byte_position = context->position & 3;
1704 if (byte_position) {
1705 /* have a partial word in part to deal with */
1706 val = htonl(context->part.d32);
1707 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1708 }
1709
1710 /* reduce the accumulated u64 to a 32-bit MIC */
1711 sum = context->accum;
1712 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1713 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1714 sum = utmp & 0xffffffffLL;
1715 if (utmp > 0x10000000fLL)
1716 sum -= 15;
1717
1718 val = (u32)sum;
1719 digest[0] = (val>>24) & 0xFF;
1720 digest[1] = (val>>16) & 0xFF;
1721 digest[2] = (val>>8) & 0xFF;
1722 digest[3] = val & 0xFF;
1723}
1da177e4
LT		 1724
1725static int readBSSListRid(struct airo_info *ai, int first,
1726 BSSListRid *list) {
1727 int rc;
3c304956
DW		 1728 Cmd cmd;
1729 Resp rsp;
1da177e4
LT		 1730
1731 if (first == 1) {
3c304956
DW		 1732 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1733 memset(&cmd, 0, sizeof(cmd));
1734 cmd.cmd=CMD_LISTBSS;
1735 if (down_interruptible(&ai->sem))
1736 return -ERESTARTSYS;
1737 issuecommand(ai, &cmd, &rsp);
1738 up(&ai->sem);
1739 /* Let the command take effect */
1740 ai->task = current;
1741 ssleep(3);
1742 ai->task = NULL;
1743 }
1744 rc = PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1745 list, ai->bssListRidLen, 1);
1da177e4
LT		 1746
1747 list->len = le16_to_cpu(list->len);
1748 list->index = le16_to_cpu(list->index);
1749 list->radioType = le16_to_cpu(list->radioType);
1750 list->cap = le16_to_cpu(list->cap);
1751 list->beaconInterval = le16_to_cpu(list->beaconInterval);
1752 list->fh.dwell = le16_to_cpu(list->fh.dwell);
1753 list->dsChannel = le16_to_cpu(list->dsChannel);
1754 list->atimWindow = le16_to_cpu(list->atimWindow);
41480af2 1755 list->dBm = le16_to_cpu(list->dBm);
1da177e4
LT		 1756 return rc;
1757}
1758
1759static int readWepKeyRid(struct airo_info*ai, WepKeyRid *wkr, int temp, int lock) {
1760 int rc = PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1761 wkr, sizeof(*wkr), lock);
1762
1763 wkr->len = le16_to_cpu(wkr->len);
1764 wkr->kindex = le16_to_cpu(wkr->kindex);
1765 wkr->klen = le16_to_cpu(wkr->klen);
1766 return rc;
1767}
1768/* In the writeXXXRid routines we copy the rids so that we don't screwup
1769 * the originals when we endian them... */
1770static int writeWepKeyRid(struct airo_info*ai, WepKeyRid *pwkr, int perm, int lock) {
1771 int rc;
1772 WepKeyRid wkr = *pwkr;
1773
1774 wkr.len = cpu_to_le16(wkr.len);
1775 wkr.kindex = cpu_to_le16(wkr.kindex);
1776 wkr.klen = cpu_to_le16(wkr.klen);
1777 rc = PC4500_writerid(ai, RID_WEP_TEMP, &wkr, sizeof(wkr), lock);
934d8bf1 1778 if (rc!=SUCCESS) airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1da177e4
LT		 1779 if (perm) {
1780 rc = PC4500_writerid(ai, RID_WEP_PERM, &wkr, sizeof(wkr), lock);
1781 if (rc!=SUCCESS) {
934d8bf1 1782 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1da177e4
LT		 1783 }
1784 }
1785 return rc;
1786}
1787
1788static int readSsidRid(struct airo_info*ai, SsidRid *ssidr) {
1789 int i;
1790 int rc = PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1791
1792 ssidr->len = le16_to_cpu(ssidr->len);
1793 for(i = 0; i < 3; i++) {
1794 ssidr->ssids[i].len = le16_to_cpu(ssidr->ssids[i].len);
1795 }
1796 return rc;
1797}
1798static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock) {
1799 int rc;
1800 int i;
1801 SsidRid ssidr = *pssidr;
1802
1803 ssidr.len = cpu_to_le16(ssidr.len);
1804 for(i = 0; i < 3; i++) {
1805 ssidr.ssids[i].len = cpu_to_le16(ssidr.ssids[i].len);
1806 }
1807 rc = PC4500_writerid(ai, RID_SSID, &ssidr, sizeof(ssidr), lock);
1808 return rc;
1809}
1810static int readConfigRid(struct airo_info*ai, int lock) {
1811 int rc;
1812 u16 *s;
1813 ConfigRid cfg;
1814
1815 if (ai->config.len)
1816 return SUCCESS;
1817
1818 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1819 if (rc != SUCCESS)
1820 return rc;
1821
1822 for(s = &cfg.len; s <= &cfg.rtsThres; s++) *s = le16_to_cpu(*s);
1823
1824 for(s = &cfg.shortRetryLimit; s <= &cfg.radioType; s++)
1825 *s = le16_to_cpu(*s);
1826
1827 for(s = &cfg.txPower; s <= &cfg.radioSpecific; s++)
1828 *s = le16_to_cpu(*s);
1829
1830 for(s = &cfg.arlThreshold; s <= &cfg._reserved4[0]; s++)
1831 *s = cpu_to_le16(*s);
1832
1833 for(s = &cfg.autoWake; s <= &cfg.autoWake; s++)
1834 *s = cpu_to_le16(*s);
1835
1836 ai->config = cfg;
1837 return SUCCESS;
1838}
1839static inline void checkThrottle(struct airo_info *ai) {
1840 int i;
1841/* Old hardware had a limit on encryption speed */
1842 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1843 for(i=0; i<8; i++) {
1844 if (ai->config.rates[i] > maxencrypt) {
1845 ai->config.rates[i] = 0;
1846 }
1847 }
1848 }
1849}
1850static int writeConfigRid(struct airo_info*ai, int lock) {
1851 u16 *s;
1852 ConfigRid cfgr;
1853
1854 if (!test_bit (FLAG_COMMIT, &ai->flags))
1855 return SUCCESS;
1856
1857 clear_bit (FLAG_COMMIT, &ai->flags);
1858 clear_bit (FLAG_RESET, &ai->flags);
1859 checkThrottle(ai);
1860 cfgr = ai->config;
1861
1862 if ((cfgr.opmode & 0xFF) == MODE_STA_IBSS)
1863 set_bit(FLAG_ADHOC, &ai->flags);
1864 else
1865 clear_bit(FLAG_ADHOC, &ai->flags);
1866
1867 for(s = &cfgr.len; s <= &cfgr.rtsThres; s++) *s = cpu_to_le16(*s);
1868
1869 for(s = &cfgr.shortRetryLimit; s <= &cfgr.radioType; s++)
1870 *s = cpu_to_le16(*s);
1871
1872 for(s = &cfgr.txPower; s <= &cfgr.radioSpecific; s++)
1873 *s = cpu_to_le16(*s);
1874
1875 for(s = &cfgr.arlThreshold; s <= &cfgr._reserved4[0]; s++)
1876 *s = cpu_to_le16(*s);
1877
1878 for(s = &cfgr.autoWake; s <= &cfgr.autoWake; s++)
1879 *s = cpu_to_le16(*s);
1880
1881 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1882}
1883static int readStatusRid(struct airo_info*ai, StatusRid *statr, int lock) {
1884 int rc = PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1885 u16 *s;
1886
1887 statr->len = le16_to_cpu(statr->len);
1888 for(s = &statr->mode; s <= &statr->SSIDlen; s++) *s = le16_to_cpu(*s);
1889
1890 for(s = &statr->beaconPeriod; s <= &statr->shortPreamble; s++)
1891 *s = le16_to_cpu(*s);
1892 statr->load = le16_to_cpu(statr->load);
1893 statr->assocStatus = le16_to_cpu(statr->assocStatus);
1894 return rc;
1895}
1896static int readAPListRid(struct airo_info*ai, APListRid *aplr) {
1897 int rc = PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1898 aplr->len = le16_to_cpu(aplr->len);
1899 return rc;
1900}
1901static int writeAPListRid(struct airo_info*ai, APListRid *aplr, int lock) {
1902 int rc;
1903 aplr->len = cpu_to_le16(aplr->len);
1904 rc = PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1905 return rc;
1906}
1907static int readCapabilityRid(struct airo_info*ai, CapabilityRid *capr, int lock) {
1908 int rc = PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1909 u16 *s;
1910
1911 capr->len = le16_to_cpu(capr->len);
1912 capr->prodNum = le16_to_cpu(capr->prodNum);
1913 capr->radioType = le16_to_cpu(capr->radioType);
1914 capr->country = le16_to_cpu(capr->country);
1915 for(s = &capr->txPowerLevels[0]; s <= &capr->requiredHard; s++)
1916 *s = le16_to_cpu(*s);
1917 return rc;
1918}
1919static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) {
1920 int rc = PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1921 u32 *i;
1922
1923 sr->len = le16_to_cpu(sr->len);
1924 for(i = &sr->vals[0]; i <= &sr->vals[99]; i++) *i = le32_to_cpu(*i);
1925 return rc;
1926}
1927
1928static int airo_open(struct net_device *dev) {
1929 struct airo_info *info = dev->priv;
1930 Resp rsp;
1931
1932 if (test_bit(FLAG_FLASHING, &info->flags))
1933 return -EIO;
1934
1935 /* Make sure the card is configured.
1936 * Wireless Extensions may postpone config changes until the card
1937 * is open (to pipeline changes and speed-up card setup). If
1938 * those changes are not yet commited, do it now - Jean II */
1939 if (test_bit (FLAG_COMMIT, &info->flags)) {
1940 disable_MAC(info, 1);
1941 writeConfigRid(info, 1);
1942 }
1943
1944 if (info->wifidev != dev) {
1945 /* Power on the MAC controller (which may have been disabled) */
1946 clear_bit(FLAG_RADIO_DOWN, &info->flags);
1947 enable_interrupts(info);
1948 }
1949 enable_MAC(info, &rsp, 1);
1950
1951 netif_start_queue(dev);
1952 return 0;
1953}
1954
1955static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1956 int npacks, pending;
1957 unsigned long flags;
1958 struct airo_info *ai = dev->priv;
1959
1960 if (!skb) {
934d8bf1 1961 airo_print_err(dev->name, "%s: skb == NULL!",__FUNCTION__);
1da177e4
LT		 1962 return 0;
1963 }
1964 npacks = skb_queue_len (&ai->txq);
1965
1966 if (npacks >= MAXTXQ - 1) {
1967 netif_stop_queue (dev);
1968 if (npacks > MAXTXQ) {
1969 ai->stats.tx_fifo_errors++;
1970 return 1;
1971 }
1972 skb_queue_tail (&ai->txq, skb);
1973 return 0;
1974 }
1975
1976 spin_lock_irqsave(&ai->aux_lock, flags);
1977 skb_queue_tail (&ai->txq, skb);
1978 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1979 spin_unlock_irqrestore(&ai->aux_lock,flags);
1980 netif_wake_queue (dev);
1981
1982 if (pending == 0) {
1983 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1984 mpi_send_packet (dev);
1985 }
1986 return 0;
1987}
1988
1989/*
1990 * @mpi_send_packet
1991 *
1992 * Attempt to transmit a packet. Can be called from interrupt
1993 * or transmit . return number of packets we tried to send
1994 */
1995
1996static int mpi_send_packet (struct net_device *dev)
1997{
1998 struct sk_buff *skb;
1999 unsigned char *buffer;
2000 s16 len, *payloadLen;
2001 struct airo_info *ai = dev->priv;
2002 u8 *sendbuf;
2003
2004 /* get a packet to send */
2005
2006 if ((skb = skb_dequeue(&ai->txq)) == 0) {
934d8bf1
DW		 2007 airo_print_err(dev->name,
2008 "%s: Dequeue'd zero in send_packet()",
1da177e4
LT		 2009 __FUNCTION__);
2010 return 0;
2011 }
2012
2013 /* check min length*/
2014 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2015 buffer = skb->data;
2016
2017 ai->txfids[0].tx_desc.offset = 0;
2018 ai->txfids[0].tx_desc.valid = 1;
2019 ai->txfids[0].tx_desc.eoc = 1;
2020 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
2021
2022/*
2023 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
2024 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
2025 * is immediatly after it. ------------------------------------------------
2026 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
2027 * ------------------------------------------------
2028 */
2029
2030 memcpy((char *)ai->txfids[0].virtual_host_addr,
2031 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2032
2033 payloadLen = (s16 *)(ai->txfids[0].virtual_host_addr +
2034 sizeof(wifictlhdr8023));
2035 sendbuf = ai->txfids[0].virtual_host_addr +
2036 sizeof(wifictlhdr8023) + 2 ;
2037
2038 /*
2039 * Firmware automaticly puts 802 header on so
2040 * we don't need to account for it in the length
2041 */
1da177e4
LT		 2042 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2043 (ntohs(((u16 *)buffer)[6]) != 0x888E)) {
2044 MICBuffer pMic;
2045
2046 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2047 return ERROR;
2048
2049 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2050 ai->txfids[0].tx_desc.len += sizeof(pMic);
2051 /* copy data into airo dma buffer */
2052 memcpy (sendbuf, buffer, sizeof(etherHead));
2053 buffer += sizeof(etherHead);
2054 sendbuf += sizeof(etherHead);
2055 memcpy (sendbuf, &pMic, sizeof(pMic));
2056 sendbuf += sizeof(pMic);
2057 memcpy (sendbuf, buffer, len - sizeof(etherHead));
a39d3e79 2058 } else {
1da177e4
LT		 2059 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2060
2061 dev->trans_start = jiffies;
2062
2063 /* copy data into airo dma buffer */
2064 memcpy(sendbuf, buffer, len);
2065 }
2066
2067 memcpy_toio(ai->txfids[0].card_ram_off,
2068 &ai->txfids[0].tx_desc, sizeof(TxFid));
2069
2070 OUT4500(ai, EVACK, 8);
2071
2072 dev_kfree_skb_any(skb);
2073 return 1;
2074}
2075
29b09fcc 2076static void get_tx_error(struct airo_info *ai, s32 fid)
1da177e4
LT		 2077{
2078 u16 status;
2079
2080 if (fid < 0)
2081 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2082 else {
2083 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2084 return;
2085 bap_read(ai, &status, 2, BAP0);
2086 }
2087 if (le16_to_cpu(status) & 2) /* Too many retries */
2088 ai->stats.tx_aborted_errors++;
2089 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2090 ai->stats.tx_heartbeat_errors++;
2091 if (le16_to_cpu(status) & 8) /* Aid fail */
2092 { }
2093 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2094 ai->stats.tx_carrier_errors++;
2095 if (le16_to_cpu(status) & 0x20) /* Association lost */
2096 { }
2097 /* We produce a TXDROP event only for retry or lifetime
2098 * exceeded, because that's the only status that really mean
2099 * that this particular node went away.
2100 * Other errors means that *we* screwed up. - Jean II */
2101 if ((le16_to_cpu(status) & 2) ||
2102 (le16_to_cpu(status) & 4)) {
2103 union iwreq_data wrqu;
2104 char junk[0x18];
2105
2106 /* Faster to skip over useless data than to do
2107 * another bap_setup(). We are at offset 0x6 and
2108 * need to go to 0x18 and read 6 bytes - Jean II */
2109 bap_read(ai, (u16 *) junk, 0x18, BAP0);
2110
2111 /* Copy 802.11 dest address.
2112 * We use the 802.11 header because the frame may
2113 * not be 802.3 or may be mangled...
2114 * In Ad-Hoc mode, it will be the node address.
2115 * In managed mode, it will be most likely the AP addr
2116 * User space will figure out how to convert it to
2117 * whatever it needs (IP address or else).
2118 * - Jean II */
2119 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2120 wrqu.addr.sa_family = ARPHRD_ETHER;
2121
2122 /* Send event to user space */
2123 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2124 }
2125}
2126
2127static void airo_end_xmit(struct net_device *dev) {
2128 u16 status;
2129 int i;
2130 struct airo_info *priv = dev->priv;
2131 struct sk_buff *skb = priv->xmit.skb;
2132 int fid = priv->xmit.fid;
2133 u32 *fids = priv->fids;
2134
3c304956 2135 clear_bit(JOB_XMIT, &priv->jobs);
1da177e4
LT		 2136 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2137 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2138 up(&priv->sem);
2139
2140 i = 0;
2141 if ( status == SUCCESS ) {
2142 dev->trans_start = jiffies;
2143 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2144 } else {
2145 priv->fids[fid] &= 0xffff;
2146 priv->stats.tx_window_errors++;
2147 }
2148 if (i < MAX_FIDS / 2)
2149 netif_wake_queue(dev);
2150 dev_kfree_skb(skb);
2151}
2152
2153static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2154 s16 len;
2155 int i, j;
2156 struct airo_info *priv = dev->priv;
2157 u32 *fids = priv->fids;
2158
2159 if ( skb == NULL ) {
934d8bf1 2160 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
1da177e4
LT		 2161 return 0;
2162 }
2163
2164 /* Find a vacant FID */
2165 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2166 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2167
2168 if ( j >= MAX_FIDS / 2 ) {
2169 netif_stop_queue(dev);
2170
2171 if (i == MAX_FIDS / 2) {
2172 priv->stats.tx_fifo_errors++;
2173 return 1;
2174 }
2175 }
2176 /* check min length*/
2177 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2178 /* Mark fid as used & save length for later */
2179 fids[i] |= (len << 16);
2180 priv->xmit.skb = skb;
2181 priv->xmit.fid = i;
2182 if (down_trylock(&priv->sem) != 0) {
2183 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2184 netif_stop_queue(dev);
3c304956 2185 set_bit(JOB_XMIT, &priv->jobs);
1da177e4
LT		 2186 wake_up_interruptible(&priv->thr_wait);
2187 } else
2188 airo_end_xmit(dev);
2189 return 0;
2190}
2191
2192static void airo_end_xmit11(struct net_device *dev) {
2193 u16 status;
2194 int i;
2195 struct airo_info *priv = dev->priv;
2196 struct sk_buff *skb = priv->xmit11.skb;
2197 int fid = priv->xmit11.fid;
2198 u32 *fids = priv->fids;
2199
3c304956 2200 clear_bit(JOB_XMIT11, &priv->jobs);
1da177e4
LT		 2201 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2202 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2203 up(&priv->sem);
2204
2205 i = MAX_FIDS / 2;
2206 if ( status == SUCCESS ) {
2207 dev->trans_start = jiffies;
2208 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2209 } else {
2210 priv->fids[fid] &= 0xffff;
2211 priv->stats.tx_window_errors++;
2212 }
2213 if (i < MAX_FIDS)
2214 netif_wake_queue(dev);
2215 dev_kfree_skb(skb);
2216}
2217
2218static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2219 s16 len;
2220 int i, j;
2221 struct airo_info *priv = dev->priv;
2222 u32 *fids = priv->fids;
2223
2224 if (test_bit(FLAG_MPI, &priv->flags)) {
2225 /* Not implemented yet for MPI350 */
2226 netif_stop_queue(dev);
2227 return -ENETDOWN;
2228 }
2229
2230 if ( skb == NULL ) {
934d8bf1 2231 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
1da177e4
LT		 2232 return 0;
2233 }
2234
2235 /* Find a vacant FID */
2236 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2237 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2238
2239 if ( j >= MAX_FIDS ) {
2240 netif_stop_queue(dev);
2241
2242 if (i == MAX_FIDS) {
2243 priv->stats.tx_fifo_errors++;
2244 return 1;
2245 }
2246 }
2247 /* check min length*/
2248 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2249 /* Mark fid as used & save length for later */
2250 fids[i] |= (len << 16);
2251 priv->xmit11.skb = skb;
2252 priv->xmit11.fid = i;
2253 if (down_trylock(&priv->sem) != 0) {
2254 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2255 netif_stop_queue(dev);
3c304956 2256 set_bit(JOB_XMIT11, &priv->jobs);
1da177e4
LT		 2257 wake_up_interruptible(&priv->thr_wait);
2258 } else
2259 airo_end_xmit11(dev);
2260 return 0;
2261}
2262
2263static void airo_read_stats(struct airo_info *ai) {
2264 StatsRid stats_rid;
2265 u32 *vals = stats_rid.vals;
2266
3c304956 2267 clear_bit(JOB_STATS, &ai->jobs);
ca078bae 2268 if (ai->power.event) {
1da177e4
LT		 2269 up(&ai->sem);
2270 return;
2271 }
2272 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2273 up(&ai->sem);
2274
2275 ai->stats.rx_packets = vals[43] + vals[44] + vals[45];
2276 ai->stats.tx_packets = vals[39] + vals[40] + vals[41];
2277 ai->stats.rx_bytes = vals[92];
2278 ai->stats.tx_bytes = vals[91];
2279 ai->stats.rx_errors = vals[0] + vals[2] + vals[3] + vals[4];
2280 ai->stats.tx_errors = vals[42] + ai->stats.tx_fifo_errors;
2281 ai->stats.multicast = vals[43];
2282 ai->stats.collisions = vals[89];
2283
2284 /* detailed rx_errors: */
2285 ai->stats.rx_length_errors = vals[3];
2286 ai->stats.rx_crc_errors = vals[4];
2287 ai->stats.rx_frame_errors = vals[2];
2288 ai->stats.rx_fifo_errors = vals[0];
2289}
2290
ff1d2767 2291static struct net_device_stats *airo_get_stats(struct net_device *dev)
1da177e4
LT		 2292{
2293 struct airo_info *local = dev->priv;
2294
3c304956 2295 if (!test_bit(JOB_STATS, &local->jobs)) {
1da177e4
LT		 2296 /* Get stats out of the card if available */
2297 if (down_trylock(&local->sem) != 0) {
3c304956 2298 set_bit(JOB_STATS, &local->jobs);
1da177e4
LT		 2299 wake_up_interruptible(&local->thr_wait);
2300 } else
2301 airo_read_stats(local);
2302 }
2303
2304 return &local->stats;
2305}
2306
2307static void airo_set_promisc(struct airo_info *ai) {
2308 Cmd cmd;
2309 Resp rsp;
2310
2311 memset(&cmd, 0, sizeof(cmd));
2312 cmd.cmd=CMD_SETMODE;
3c304956 2313 clear_bit(JOB_PROMISC, &ai->jobs);
1da177e4
LT		 2314 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2315 issuecommand(ai, &cmd, &rsp);
2316 up(&ai->sem);
2317}
2318
2319static void airo_set_multicast_list(struct net_device *dev) {
2320 struct airo_info *ai = dev->priv;
2321
2322 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2323 change_bit(FLAG_PROMISC, &ai->flags);
2324 if (down_trylock(&ai->sem) != 0) {
3c304956 2325 set_bit(JOB_PROMISC, &ai->jobs);
1da177e4
LT		 2326 wake_up_interruptible(&ai->thr_wait);
2327 } else
2328 airo_set_promisc(ai);
2329 }
2330
2331 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2332 /* Turn on multicast. (Should be already setup...) */
2333 }
2334}
2335
2336static int airo_set_mac_address(struct net_device *dev, void *p)
2337{
2338 struct airo_info *ai = dev->priv;
2339 struct sockaddr *addr = p;
2340 Resp rsp;
2341
2342 readConfigRid(ai, 1);
2343 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2344 set_bit (FLAG_COMMIT, &ai->flags);
2345 disable_MAC(ai, 1);
2346 writeConfigRid (ai, 1);
2347 enable_MAC(ai, &rsp, 1);
2348 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2349 if (ai->wifidev)
2350 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2351 return 0;
2352}
2353
2354static int airo_change_mtu(struct net_device *dev, int new_mtu)
2355{
2356 if ((new_mtu < 68) || (new_mtu > 2400))
2357 return -EINVAL;
2358 dev->mtu = new_mtu;
2359 return 0;
2360}
2361
2362
2363static int airo_close(struct net_device *dev) {
2364 struct airo_info *ai = dev->priv;
2365
2366 netif_stop_queue(dev);
2367
2368 if (ai->wifidev != dev) {
2369#ifdef POWER_ON_DOWN
2370 /* Shut power to the card. The idea is that the user can save
2371 * power when he doesn't need the card with "ifconfig down".
2372 * That's the method that is most friendly towards the network
2373 * stack (i.e. the network stack won't try to broadcast
2374 * anything on the interface and routes are gone. Jean II */
2375 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2376 disable_MAC(ai, 1);
2377#endif
2378 disable_interrupts( ai );
2379 }
2380 return 0;
2381}
2382
2383static void del_airo_dev( struct net_device *dev );
2384
2385void stop_airo_card( struct net_device *dev, int freeres )
2386{
2387 struct airo_info *ai = dev->priv;
2388
2389 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2390 disable_MAC(ai, 1);
2391 disable_interrupts(ai);
2392 free_irq( dev->irq, dev );
2393 takedown_proc_entry( dev, ai );
2394 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2395 unregister_netdev( dev );
2396 if (ai->wifidev) {
2397 unregister_netdev(ai->wifidev);
2398 free_netdev(ai->wifidev);
2399 ai->wifidev = NULL;
2400 }
2401 clear_bit(FLAG_REGISTERED, &ai->flags);
2402 }
3c304956 2403 set_bit(JOB_DIE, &ai->jobs);
1da177e4
LT		 2404 kill_proc(ai->thr_pid, SIGTERM, 1);
2405 wait_for_completion(&ai->thr_exited);
2406
2407 /*
2408 * Clean out tx queue
2409 */
b03efcfb 2410 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
1da177e4
LT		 2411 struct sk_buff *skb = NULL;
2412 for (;(skb = skb_dequeue(&ai->txq));)
2413 dev_kfree_skb(skb);
2414 }
2415
9e75af30
DW		 2416 airo_networks_free (ai);
2417
b4558ea9
JJ		 2418 kfree(ai->flash);
2419 kfree(ai->rssi);
2420 kfree(ai->APList);
2421 kfree(ai->SSID);
1da177e4
LT		 2422 if (freeres) {
2423 /* PCMCIA frees this stuff, so only for PCI and ISA */
2424 release_region( dev->base_addr, 64 );
2425 if (test_bit(FLAG_MPI, &ai->flags)) {
2426 if (ai->pci)
2427 mpi_unmap_card(ai->pci);
2428 if (ai->pcimem)
2429 iounmap(ai->pcimem);
2430 if (ai->pciaux)
2431 iounmap(ai->pciaux);
2432 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2433 ai->shared, ai->shared_dma);
2434 }
2435 }
573dbd95 2436 crypto_free_tfm(ai->tfm);
1da177e4
LT		 2437 del_airo_dev( dev );
2438 free_netdev( dev );
2439}
2440
2441EXPORT_SYMBOL(stop_airo_card);
2442
2443static int add_airo_dev( struct net_device *dev );
2444
ff1d2767 2445static int wll_header_parse(struct sk_buff *skb, unsigned char *haddr)
1da177e4
LT		 2446{
2447 memcpy(haddr, skb->mac.raw + 10, ETH_ALEN);
2448 return ETH_ALEN;
2449}
2450
2451static void mpi_unmap_card(struct pci_dev *pci)
2452{
2453 unsigned long mem_start = pci_resource_start(pci, 1);
2454 unsigned long mem_len = pci_resource_len(pci, 1);
2455 unsigned long aux_start = pci_resource_start(pci, 2);
2456 unsigned long aux_len = AUXMEMSIZE;
2457
2458 release_mem_region(aux_start, aux_len);
2459 release_mem_region(mem_start, mem_len);
2460}
2461
2462/*************************************************************
2463 * This routine assumes that descriptors have been setup .
2464 * Run at insmod time or after reset when the decriptors
2465 * have been initialized . Returns 0 if all is well nz
2466 * otherwise . Does not allocate memory but sets up card
2467 * using previously allocated descriptors.
2468 */
2469static int mpi_init_descriptors (struct airo_info *ai)
2470{
2471 Cmd cmd;
2472 Resp rsp;
2473 int i;
2474 int rc = SUCCESS;
2475
2476 /* Alloc card RX descriptors */
2477 netif_stop_queue(ai->dev);
2478
2479 memset(&rsp,0,sizeof(rsp));
2480 memset(&cmd,0,sizeof(cmd));
2481
2482 cmd.cmd = CMD_ALLOCATEAUX;
2483 cmd.parm0 = FID_RX;
2484 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2485 cmd.parm2 = MPI_MAX_FIDS;
2486 rc=issuecommand(ai, &cmd, &rsp);
2487 if (rc != SUCCESS) {
934d8bf1 2488 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
1da177e4
LT		 2489 return rc;
2490 }
2491
2492 for (i=0; i<MPI_MAX_FIDS; i++) {
2493 memcpy_toio(ai->rxfids[i].card_ram_off,
2494 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2495 }
2496
2497 /* Alloc card TX descriptors */
2498
2499 memset(&rsp,0,sizeof(rsp));
2500 memset(&cmd,0,sizeof(cmd));
2501
2502 cmd.cmd = CMD_ALLOCATEAUX;
2503 cmd.parm0 = FID_TX;
2504 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2505 cmd.parm2 = MPI_MAX_FIDS;
2506
2507 for (i=0; i<MPI_MAX_FIDS; i++) {
2508 ai->txfids[i].tx_desc.valid = 1;
2509 memcpy_toio(ai->txfids[i].card_ram_off,
2510 &ai->txfids[i].tx_desc, sizeof(TxFid));
2511 }
2512 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2513
2514 rc=issuecommand(ai, &cmd, &rsp);
2515 if (rc != SUCCESS) {
934d8bf1 2516 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
1da177e4
LT		 2517 return rc;
2518 }
2519
2520 /* Alloc card Rid descriptor */
2521 memset(&rsp,0,sizeof(rsp));
2522 memset(&cmd,0,sizeof(cmd));
2523
2524 cmd.cmd = CMD_ALLOCATEAUX;
2525 cmd.parm0 = RID_RW;
2526 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2527 cmd.parm2 = 1; /* Magic number... */
2528 rc=issuecommand(ai, &cmd, &rsp);
2529 if (rc != SUCCESS) {
934d8bf1 2530 airo_print_err(ai->dev->name, "Couldn't allocate RID");
1da177e4
LT		 2531 return rc;
2532 }
2533
2534 memcpy_toio(ai->config_desc.card_ram_off,
2535 &ai->config_desc.rid_desc, sizeof(Rid));
2536
2537 return rc;
2538}
2539
2540/*
2541 * We are setting up three things here:
2542 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2543 * 2) Map PCI memory for issueing commands.
2544 * 3) Allocate memory (shared) to send and receive ethernet frames.
2545 */
2546static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci,
2547 const char *name)
2548{
2549 unsigned long mem_start, mem_len, aux_start, aux_len;
2550 int rc = -1;
2551 int i;
2759c8d5
JG		 2552 dma_addr_t busaddroff;
2553 unsigned char *vpackoff;
1da177e4
LT		 2554 unsigned char __iomem *pciaddroff;
2555
2556 mem_start = pci_resource_start(pci, 1);
2557 mem_len = pci_resource_len(pci, 1);
2558 aux_start = pci_resource_start(pci, 2);
2559 aux_len = AUXMEMSIZE;
2560
2561 if (!request_mem_region(mem_start, mem_len, name)) {
934d8bf1 2562 airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s",
1da177e4
LT		 2563 (int)mem_start, (int)mem_len, name);
2564 goto out;
2565 }
2566 if (!request_mem_region(aux_start, aux_len, name)) {
934d8bf1 2567 airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s",
1da177e4
LT		 2568 (int)aux_start, (int)aux_len, name);
2569 goto free_region1;
2570 }
2571
2572 ai->pcimem = ioremap(mem_start, mem_len);
2573 if (!ai->pcimem) {
934d8bf1 2574 airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s",
1da177e4
LT		 2575 (int)mem_start, (int)mem_len, name);
2576 goto free_region2;
2577 }
2578 ai->pciaux = ioremap(aux_start, aux_len);
2579 if (!ai->pciaux) {
934d8bf1 2580 airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s",
1da177e4
LT		 2581 (int)aux_start, (int)aux_len, name);
2582 goto free_memmap;
2583 }
2584
2585 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2586 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2587 if (!ai->shared) {
934d8bf1 2588 airo_print_err(ai->dev->name, "Couldn't alloc_consistent %d",
1da177e4
LT		 2589 PCI_SHARED_LEN);
2590 goto free_auxmap;
2591 }
2592
2593 /*
2594 * Setup descriptor RX, TX, CONFIG
2595 */
2759c8d5 2596 busaddroff = ai->shared_dma;
1da177e4
LT		 2597 pciaddroff = ai->pciaux + AUX_OFFSET;
2598 vpackoff = ai->shared;
2599
2600 /* RX descriptor setup */
2601 for(i = 0; i < MPI_MAX_FIDS; i++) {
2602 ai->rxfids[i].pending = 0;
2603 ai->rxfids[i].card_ram_off = pciaddroff;
2604 ai->rxfids[i].virtual_host_addr = vpackoff;
2759c8d5 2605 ai->rxfids[i].rx_desc.host_addr = busaddroff;
1da177e4
LT		 2606 ai->rxfids[i].rx_desc.valid = 1;
2607 ai->rxfids[i].rx_desc.len = PKTSIZE;
2608 ai->rxfids[i].rx_desc.rdy = 0;
2609
2610 pciaddroff += sizeof(RxFid);
2611 busaddroff += PKTSIZE;
2612 vpackoff += PKTSIZE;
2613 }
2614
2615 /* TX descriptor setup */
2616 for(i = 0; i < MPI_MAX_FIDS; i++) {
2617 ai->txfids[i].card_ram_off = pciaddroff;
2618 ai->txfids[i].virtual_host_addr = vpackoff;
2619 ai->txfids[i].tx_desc.valid = 1;
2759c8d5 2620 ai->txfids[i].tx_desc.host_addr = busaddroff;
1da177e4
LT		 2621 memcpy(ai->txfids[i].virtual_host_addr,
2622 &wifictlhdr8023, sizeof(wifictlhdr8023));
2623
2624 pciaddroff += sizeof(TxFid);
2625 busaddroff += PKTSIZE;
2626 vpackoff += PKTSIZE;
2627 }
2628 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2629
2630 /* Rid descriptor setup */
2631 ai->config_desc.card_ram_off = pciaddroff;
2632 ai->config_desc.virtual_host_addr = vpackoff;
2759c8d5
JG		 2633 ai->config_desc.rid_desc.host_addr = busaddroff;
2634 ai->ridbus = busaddroff;
1da177e4
LT		 2635 ai->config_desc.rid_desc.rid = 0;
2636 ai->config_desc.rid_desc.len = RIDSIZE;
2637 ai->config_desc.rid_desc.valid = 1;
2638 pciaddroff += sizeof(Rid);
2639 busaddroff += RIDSIZE;
2640 vpackoff += RIDSIZE;
2641
2642 /* Tell card about descriptors */
2643 if (mpi_init_descriptors (ai) != SUCCESS)
2644 goto free_shared;
2645
2646 return 0;
2647 free_shared:
2648 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2649 free_auxmap:
2650 iounmap(ai->pciaux);
2651 free_memmap:
2652 iounmap(ai->pcimem);
2653 free_region2:
2654 release_mem_region(aux_start, aux_len);
2655 free_region1:
2656 release_mem_region(mem_start, mem_len);
2657 out:
2658 return rc;
2659}
2660
2661static void wifi_setup(struct net_device *dev)
2662{
2663 dev->hard_header = NULL;
2664 dev->rebuild_header = NULL;
2665 dev->hard_header_cache = NULL;
2666 dev->header_cache_update= NULL;
2667
2668 dev->hard_header_parse = wll_header_parse;
2669 dev->hard_start_xmit = &airo_start_xmit11;
2670 dev->get_stats = &airo_get_stats;
2671 dev->set_mac_address = &airo_set_mac_address;
2672 dev->do_ioctl = &airo_ioctl;
1da177e4 2673 dev->wireless_handlers = &airo_handler_def;
1da177e4
LT		 2674 dev->change_mtu = &airo_change_mtu;
2675 dev->open = &airo_open;
2676 dev->stop = &airo_close;
2677
2678 dev->type = ARPHRD_IEEE80211;
2679 dev->hard_header_len = ETH_HLEN;
15db2763 2680 dev->mtu = AIRO_DEF_MTU;
1da177e4
LT		 2681 dev->addr_len = ETH_ALEN;
2682 dev->tx_queue_len = 100;
2683
2684 memset(dev->broadcast,0xFF, ETH_ALEN);
2685
2686 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2687}
2688
2689static struct net_device *init_wifidev(struct airo_info *ai,
2690 struct net_device *ethdev)
2691{
2692 int err;
2693 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2694 if (!dev)
2695 return NULL;
2696 dev->priv = ethdev->priv;
2697 dev->irq = ethdev->irq;
2698 dev->base_addr = ethdev->base_addr;
1da177e4 2699 dev->wireless_data = ethdev->wireless_data;
1da177e4
LT		 2700 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2701 err = register_netdev(dev);
2702 if (err<0) {
2703 free_netdev(dev);
2704 return NULL;
2705 }
2706 return dev;
2707}
2708
ff1d2767 2709static int reset_card( struct net_device *dev , int lock) {
1da177e4
LT		 2710 struct airo_info *ai = dev->priv;
2711
2712 if (lock && down_interruptible(&ai->sem))
2713 return -1;
2714 waitbusy (ai);
2715 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2716 msleep(200);
2717 waitbusy (ai);
2718 msleep(200);
2719 if (lock)
2720 up(&ai->sem);
2721 return 0;
2722}
2723
3c304956 2724#define AIRO_MAX_NETWORK_COUNT 64
9e75af30
DW		 2725static int airo_networks_allocate(struct airo_info *ai)
2726{
2727 if (ai->networks)
2728 return 0;
2729
2730 ai->networks =
3c304956 2731 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
9e75af30
DW		 2732 GFP_KERNEL);
2733 if (!ai->networks) {
2734 airo_print_warn(ai->dev->name, "Out of memory allocating beacons");
2735 return -ENOMEM;
2736 }
2737
2738 return 0;
2739}
2740
2741static void airo_networks_free(struct airo_info *ai)
2742{
2743 if (!ai->networks)
2744 return;
2745 kfree(ai->networks);
2746 ai->networks = NULL;
2747}
2748
2749static void airo_networks_initialize(struct airo_info *ai)
2750{
2751 int i;
2752
2753 INIT_LIST_HEAD(&ai->network_free_list);
2754 INIT_LIST_HEAD(&ai->network_list);
3c304956 2755 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
9e75af30
DW		 2756 list_add_tail(&ai->networks[i].list,
2757 &ai->network_free_list);
2758}
2759
3c304956
DW		 2760static int airo_test_wpa_capable(struct airo_info *ai)
2761{
2762 int status;
2763 CapabilityRid cap_rid;
2764 const char *name = ai->dev->name;
2765
2766 status = readCapabilityRid(ai, &cap_rid, 1);
2767 if (status != SUCCESS) return 0;
2768
2769 /* Only firmware versions 5.30.17 or better can do WPA */
2770 if ((cap_rid.softVer > 0x530)
0c6157a3 2771 || ((cap_rid.softVer == 0x530) && (cap_rid.softSubVer >= 17))) {
3c304956
DW		 2772 airo_print_info(name, "WPA is supported.");
2773 return 1;
2774 }
2775
2776 /* No WPA support */
2777 airo_print_info(name, "WPA unsupported (only firmware versions 5.30.17"
2778 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2779 return 0;
2780}
2781
ff1d2767
JM		 2782static struct net_device *_init_airo_card( unsigned short irq, int port,
2783 int is_pcmcia, struct pci_dev *pci,
2784 struct device *dmdev )
1da177e4
LT		 2785{
2786 struct net_device *dev;
2787 struct airo_info *ai;
2788 int i, rc;
2789
2790 /* Create the network device object. */
2791 dev = alloc_etherdev(sizeof(*ai));
2792 if (!dev) {
934d8bf1 2793 airo_print_err("", "Couldn't alloc_etherdev");
1da177e4
LT		 2794 return NULL;
2795 }
2796 if (dev_alloc_name(dev, dev->name) < 0) {
934d8bf1 2797 airo_print_err("", "Couldn't get name!");
1da177e4
LT		 2798 goto err_out_free;
2799 }
2800
2801 ai = dev->priv;
2802 ai->wifidev = NULL;
2803 ai->flags = 0;
3c304956 2804 ai->jobs = 0;
934d8bf1 2805 ai->dev = dev;
1da177e4 2806 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
934d8bf1 2807 airo_print_dbg(dev->name, "Found an MPI350 card");
1da177e4
LT		 2808 set_bit(FLAG_MPI, &ai->flags);
2809 }
1da177e4
LT		 2810 spin_lock_init(&ai->aux_lock);
2811 sema_init(&ai->sem, 1);
2812 ai->config.len = 0;
2813 ai->pci = pci;
2814 init_waitqueue_head (&ai->thr_wait);
2815 init_completion (&ai->thr_exited);
2816 ai->thr_pid = kernel_thread(airo_thread, dev, CLONE_FS | CLONE_FILES);
2817 if (ai->thr_pid < 0)
2818 goto err_out_free;
1da177e4 2819 ai->tfm = NULL;
1da177e4
LT		 2820 rc = add_airo_dev( dev );
2821 if (rc)
2822 goto err_out_thr;
2823
9e75af30
DW		 2824 if (airo_networks_allocate (ai))
2825 goto err_out_unlink;
2826 airo_networks_initialize (ai);
2827
1da177e4
LT		 2828 /* The Airo-specific entries in the device structure. */
2829 if (test_bit(FLAG_MPI,&ai->flags)) {
2830 skb_queue_head_init (&ai->txq);
2831 dev->hard_start_xmit = &mpi_start_xmit;
2832 } else
2833 dev->hard_start_xmit = &airo_start_xmit;
2834 dev->get_stats = &airo_get_stats;
2835 dev->set_multicast_list = &airo_set_multicast_list;
2836 dev->set_mac_address = &airo_set_mac_address;
2837 dev->do_ioctl = &airo_ioctl;
1da177e4
LT		 2838 dev->wireless_handlers = &airo_handler_def;
2839 ai->wireless_data.spy_data = &ai->spy_data;
2840 dev->wireless_data = &ai->wireless_data;
1da177e4
LT		 2841 dev->change_mtu = &airo_change_mtu;
2842 dev->open = &airo_open;
2843 dev->stop = &airo_close;
2844 dev->irq = irq;
2845 dev->base_addr = port;
2846
2847 SET_NETDEV_DEV(dev, dmdev);
2848
1d97f384
MC		 2849 reset_card (dev, 1);
2850 msleep(400);
1da177e4
LT		 2851
2852 rc = request_irq( dev->irq, airo_interrupt, SA_SHIRQ, dev->name, dev );
2853 if (rc) {
934d8bf1
DW		 2854 airo_print_err(dev->name, "register interrupt %d failed, rc %d",
2855 irq, rc);
1da177e4
LT		 2856 goto err_out_unlink;
2857 }
2858 if (!is_pcmcia) {
2859 if (!request_region( dev->base_addr, 64, dev->name )) {
2860 rc = -EBUSY;
934d8bf1 2861 airo_print_err(dev->name, "Couldn't request region");
1da177e4
LT		 2862 goto err_out_irq;
2863 }
2864 }
2865
2866 if (test_bit(FLAG_MPI,&ai->flags)) {
2867 if (mpi_map_card(ai, pci, dev->name)) {
934d8bf1 2868 airo_print_err(dev->name, "Could not map memory");
1da177e4
LT		 2869 goto err_out_res;
2870 }
2871 }
2872
2873 if (probe) {
2874 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
934d8bf1 2875 airo_print_err(dev->name, "MAC could not be enabled" );
1da177e4
LT		 2876 rc = -EIO;
2877 goto err_out_map;
2878 }
2879 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2880 ai->bap_read = fast_bap_read;
2881 set_bit(FLAG_FLASHING, &ai->flags);
2882 }
2883
3c304956
DW		 2884 /* Test for WPA support */
2885 if (airo_test_wpa_capable(ai)) {
2886 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2887 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2888 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2889 ai->bssListRidLen = sizeof(BSSListRid);
2890 } else {
2891 ai->bssListFirst = RID_BSSLISTFIRST;
2892 ai->bssListNext = RID_BSSLISTNEXT;
2893 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2894 }
2895
1da177e4
LT		 2896 rc = register_netdev(dev);
2897 if (rc) {
934d8bf1 2898 airo_print_err(dev->name, "Couldn't register_netdev");
1da177e4
LT		 2899 goto err_out_map;
2900 }
2901 ai->wifidev = init_wifidev(ai, dev);
2902
2903 set_bit(FLAG_REGISTERED,&ai->flags);
934d8bf1 2904 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
1da177e4
LT		 2905 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2906 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5] );
2907
2908 /* Allocate the transmit buffers */
2909 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2910 for( i = 0; i < MAX_FIDS; i++ )
15db2763 2911 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
1da177e4
LT		 2912
2913 setup_proc_entry( dev, dev->priv ); /* XXX check for failure */
2914 netif_start_queue(dev);
2915 SET_MODULE_OWNER(dev);
2916 return dev;
2917
2918err_out_map:
2919 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2920 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2921 iounmap(ai->pciaux);
2922 iounmap(ai->pcimem);
2923 mpi_unmap_card(ai->pci);
2924 }
2925err_out_res:
2926 if (!is_pcmcia)
2927 release_region( dev->base_addr, 64 );
2928err_out_irq:
2929 free_irq(dev->irq, dev);
2930err_out_unlink:
2931 del_airo_dev(dev);
2932err_out_thr:
3c304956 2933 set_bit(JOB_DIE, &ai->jobs);
1da177e4
LT		 2934 kill_proc(ai->thr_pid, SIGTERM, 1);
2935 wait_for_completion(&ai->thr_exited);
2936err_out_free:
2937 free_netdev(dev);
2938 return NULL;
2939}
2940
2941struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2942 struct device *dmdev)
2943{
2944 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2945}
2946
2947EXPORT_SYMBOL(init_airo_card);
2948
2949static int waitbusy (struct airo_info *ai) {
2950 int delay = 0;
2951 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2952 udelay (10);
2953 if ((++delay % 20) == 0)
2954 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2955 }
2956 return delay < 10000;
2957}
2958
2959int reset_airo_card( struct net_device *dev )
2960{
2961 int i;
2962 struct airo_info *ai = dev->priv;
2963
2964 if (reset_card (dev, 1))
2965 return -1;
2966
2967 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
934d8bf1 2968 airo_print_err(dev->name, "MAC could not be enabled");
1da177e4
LT		 2969 return -1;
2970 }
934d8bf1 2971 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
1da177e4
LT		 2972 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2973 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
2974 /* Allocate the transmit buffers if needed */
2975 if (!test_bit(FLAG_MPI,&ai->flags))
2976 for( i = 0; i < MAX_FIDS; i++ )
15db2763 2977 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
1da177e4
LT		 2978
2979 enable_interrupts( ai );
2980 netif_wake_queue(dev);
2981 return 0;
2982}
2983
2984EXPORT_SYMBOL(reset_airo_card);
2985
2986static void airo_send_event(struct net_device *dev) {
2987 struct airo_info *ai = dev->priv;
2988 union iwreq_data wrqu;
2989 StatusRid status_rid;
2990
3c304956 2991 clear_bit(JOB_EVENT, &ai->jobs);
1da177e4
LT		 2992 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2993 up(&ai->sem);
2994 wrqu.data.length = 0;
2995 wrqu.data.flags = 0;
2996 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2997 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2998
2999 /* Send event to user space */
3000 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
3001}
3002
9e75af30
DW		 3003static void airo_process_scan_results (struct airo_info *ai) {
3004 union iwreq_data wrqu;
3c304956 3005 BSSListRid bss;
9e75af30
DW		 3006 int rc;
3007 BSSListElement * loop_net;
3008 BSSListElement * tmp_net;
3009
3010 /* Blow away current list of scan results */
3011 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3012 list_move_tail (&loop_net->list, &ai->network_free_list);
3013 /* Don't blow away ->list, just BSS data */
3014 memset (loop_net, 0, sizeof (loop_net->bss));
3015 }
3016
3017 /* Try to read the first entry of the scan result */
3c304956
DW		 3018 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3019 if((rc) || (bss.index == 0xffff)) {
9e75af30
DW		 3020 /* No scan results */
3021 goto out;
3022 }
3023
3024 /* Read and parse all entries */
3025 tmp_net = NULL;
3c304956 3026 while((!rc) && (bss.index != 0xffff)) {
9e75af30
DW		 3027 /* Grab a network off the free list */
3028 if (!list_empty(&ai->network_free_list)) {
3029 tmp_net = list_entry(ai->network_free_list.next,
3030 BSSListElement, list);
3031 list_del(ai->network_free_list.next);
3032 }
3033
3034 if (tmp_net != NULL) {
3c304956 3035 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
9e75af30
DW		 3036 list_add_tail(&tmp_net->list, &ai->network_list);
3037 tmp_net = NULL;
3038 }
3039
3040 /* Read next entry */
3c304956
DW		 3041 rc = PC4500_readrid(ai, ai->bssListNext,
3042 &bss, ai->bssListRidLen, 0);
9e75af30
DW		 3043 }
3044
3045out:
3046 ai->scan_timeout = 0;
3c304956 3047 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
9e75af30
DW		 3048 up(&ai->sem);
3049
3050 /* Send an empty event to user space.
3051 * We don't send the received data on
3052 * the event because it would require
3053 * us to do complex transcoding, and
3054 * we want to minimise the work done in
3055 * the irq handler. Use a request to
3056 * extract the data - Jean II */
3057 wrqu.data.length = 0;
3058 wrqu.data.flags = 0;
3059 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3060}
3061
1da177e4
LT		 3062static int airo_thread(void *data) {
3063 struct net_device *dev = data;
3064 struct airo_info *ai = dev->priv;
3065 int locked;
3066
3067 daemonize("%s", dev->name);
3068 allow_signal(SIGTERM);
3069
3070 while(1) {
3071 if (signal_pending(current))
3072 flush_signals(current);
3073
3074 /* make swsusp happy with our thread */
3e1d1d28 3075 try_to_freeze();
1da177e4 3076
3c304956 3077 if (test_bit(JOB_DIE, &ai->jobs))
1da177e4
LT		 3078 break;
3079
3c304956 3080 if (ai->jobs) {
1da177e4
LT		 3081 locked = down_interruptible(&ai->sem);
3082 } else {
3083 wait_queue_t wait;
3084
3085 init_waitqueue_entry(&wait, current);
3086 add_wait_queue(&ai->thr_wait, &wait);
3087 for (;;) {
3088 set_current_state(TASK_INTERRUPTIBLE);
3c304956 3089 if (ai->jobs)
1da177e4 3090 break;
9e75af30
DW		 3091 if (ai->expires || ai->scan_timeout) {
3092 if (ai->scan_timeout &&
3093 time_after_eq(jiffies,ai->scan_timeout)){
3c304956 3094 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
9e75af30
DW		 3095 break;
3096 } else if (ai->expires &&
3097 time_after_eq(jiffies,ai->expires)){
3c304956 3098 set_bit(JOB_AUTOWEP, &ai->jobs);
1da177e4
LT		 3099 break;
3100 }
3101 if (!signal_pending(current)) {
9e75af30
DW		 3102 unsigned long wake_at;
3103 if (!ai->expires || !ai->scan_timeout) {
3104 wake_at = max(ai->expires,
3105 ai->scan_timeout);
3106 } else {
3107 wake_at = min(ai->expires,
3108 ai->scan_timeout);
3109 }
3110 schedule_timeout(wake_at - jiffies);
1da177e4
LT		 3111 continue;
3112 }
3113 } else if (!signal_pending(current)) {
3114 schedule();
3115 continue;
3116 }
3117 break;
3118 }
3119 current->state = TASK_RUNNING;
3120 remove_wait_queue(&ai->thr_wait, &wait);
3121 locked = 1;
3122 }
3123
3124 if (locked)
3125 continue;
3126
3c304956 3127 if (test_bit(JOB_DIE, &ai->jobs)) {
1da177e4
LT		 3128 up(&ai->sem);
3129 break;
3130 }
3131
ca078bae 3132 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
1da177e4
LT		 3133 up(&ai->sem);
3134 continue;
3135 }
3136
3c304956 3137 if (test_bit(JOB_XMIT, &ai->jobs))
1da177e4 3138 airo_end_xmit(dev);
3c304956 3139 else if (test_bit(JOB_XMIT11, &ai->jobs))
1da177e4 3140 airo_end_xmit11(dev);
3c304956 3141 else if (test_bit(JOB_STATS, &ai->jobs))
1da177e4 3142 airo_read_stats(ai);
3c304956 3143 else if (test_bit(JOB_WSTATS, &ai->jobs))
1da177e4 3144 airo_read_wireless_stats(ai);
3c304956 3145 else if (test_bit(JOB_PROMISC, &ai->jobs))
1da177e4 3146 airo_set_promisc(ai);
3c304956 3147 else if (test_bit(JOB_MIC, &ai->jobs))
1da177e4 3148 micinit(ai);
3c304956 3149 else if (test_bit(JOB_EVENT, &ai->jobs))
1da177e4 3150 airo_send_event(dev);
3c304956 3151 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
1da177e4 3152 timer_func(dev);
3c304956 3153 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
9e75af30
DW		 3154 airo_process_scan_results(ai);
3155 else /* Shouldn't get here, but we make sure to unlock */
3156 up(&ai->sem);
1da177e4
LT		 3157 }
3158 complete_and_exit (&ai->thr_exited, 0);
3159}
3160
3161static irqreturn_t airo_interrupt ( int irq, void* dev_id, struct pt_regs *regs) {
3162 struct net_device *dev = (struct net_device *)dev_id;
3163 u16 status;
3164 u16 fid;
3165 struct airo_info *apriv = dev->priv;
3166 u16 savedInterrupts = 0;
3167 int handled = 0;
3168
3169 if (!netif_device_present(dev))
3170 return IRQ_NONE;
3171
3172 for (;;) {
3173 status = IN4500( apriv, EVSTAT );
3174 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3175
3176 handled = 1;
3177
3178 if ( status & EV_AWAKE ) {
3179 OUT4500( apriv, EVACK, EV_AWAKE );
3180 OUT4500( apriv, EVACK, EV_AWAKE );
3181 }
3182
3183 if (!savedInterrupts) {
3184 savedInterrupts = IN4500( apriv, EVINTEN );
3185 OUT4500( apriv, EVINTEN, 0 );
3186 }
3187
3188 if ( status & EV_MIC ) {
3189 OUT4500( apriv, EVACK, EV_MIC );
1da177e4 3190 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3c304956 3191 set_bit(JOB_MIC, &apriv->jobs);
1da177e4
LT		 3192 wake_up_interruptible(&apriv->thr_wait);
3193 }
1da177e4
LT		 3194 }
3195 if ( status & EV_LINK ) {
3196 union iwreq_data wrqu;
6fcdf565 3197 int scan_forceloss = 0;
1da177e4
LT		 3198 /* The link status has changed, if you want to put a
3199 monitor hook in, do it here. (Remember that
3200 interrupts are still disabled!)
3201 */
3202 u16 newStatus = IN4500(apriv, LINKSTAT);
3203 OUT4500( apriv, EVACK, EV_LINK);
3204 /* Here is what newStatus means: */
3205#define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3206#define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3207#define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3208#define FORCELOSS 0x8003 /* Loss of sync - host request */
3209#define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3210#define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3211#define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3212#define ASSFAIL 0x8400 /* Association failure (low byte is reason
3213 code) */
3214#define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3215 code) */
6fcdf565
DW		 3216#define ASSOCIATED 0x0400 /* Associated */
3217#define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
1da177e4
LT		 3218#define RC_RESERVED 0 /* Reserved return code */
3219#define RC_NOREASON 1 /* Unspecified reason */
3220#define RC_AUTHINV 2 /* Previous authentication invalid */
3221#define RC_DEAUTH 3 /* Deauthenticated because sending station is
3222 leaving */
3223#define RC_NOACT 4 /* Disassociated due to inactivity */
3224#define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3225 all currently associated stations */
3226#define RC_BADCLASS2 6 /* Class 2 frame received from
3227 non-Authenticated station */
3228#define RC_BADCLASS3 7 /* Class 3 frame received from
3229 non-Associated station */
3230#define RC_STATLEAVE 8 /* Disassociated because sending station is
3231 leaving BSS */
3232#define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3233 Authenticated with the responding station */
6fcdf565
DW		 3234 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3235 scan_forceloss = 1;
3236 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
1da177e4
LT		 3237 if (auto_wep)
3238 apriv->expires = 0;
6fcdf565
DW		 3239 if (apriv->task)
3240 wake_up_process (apriv->task);
1da177e4
LT		 3241 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3242 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
6fcdf565 3243
1da177e4 3244 if (down_trylock(&apriv->sem) != 0) {
3c304956 3245 set_bit(JOB_EVENT, &apriv->jobs);
1da177e4
LT		 3246 wake_up_interruptible(&apriv->thr_wait);
3247 } else
3248 airo_send_event(dev);
6fcdf565
DW		 3249 } else if (!scan_forceloss) {
3250 if (auto_wep && !apriv->expires) {
3251 apriv->expires = RUN_AT(3*HZ);
3252 wake_up_interruptible(&apriv->thr_wait);
3253 }
1da177e4
LT		 3254
3255 /* Send event to user space */
6fcdf565
DW		 3256 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3257 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
1da177e4
LT		 3258 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3259 }
3260 }
3261
3262 /* Check to see if there is something to receive */
3263 if ( status & EV_RX ) {
3264 struct sk_buff *skb = NULL;
3265 u16 fc, len, hdrlen = 0;
3266#pragma pack(1)
3267 struct {
3268 u16 status, len;
3269 u8 rssi[2];
3270 u8 rate;
3271 u8 freq;
3272 u16 tmp[4];
3273 } hdr;
3274#pragma pack()
3275 u16 gap;
3276 u16 tmpbuf[4];
3277 u16 *buffer;
3278
3279 if (test_bit(FLAG_MPI,&apriv->flags)) {
3280 if (test_bit(FLAG_802_11, &apriv->flags))
3281 mpi_receive_802_11(apriv);
3282 else
3283 mpi_receive_802_3(apriv);
3284 OUT4500(apriv, EVACK, EV_RX);
3285 goto exitrx;
3286 }
3287
3288 fid = IN4500( apriv, RXFID );
3289
3290 /* Get the packet length */
3291 if (test_bit(FLAG_802_11, &apriv->flags)) {
3292 bap_setup (apriv, fid, 4, BAP0);
3293 bap_read (apriv, (u16*)&hdr, sizeof(hdr), BAP0);
3294 /* Bad CRC. Ignore packet */
3295 if (le16_to_cpu(hdr.status) & 2)
3296 hdr.len = 0;
3297 if (apriv->wifidev == NULL)
3298 hdr.len = 0;
3299 } else {
3300 bap_setup (apriv, fid, 0x36, BAP0);
3301 bap_read (apriv, (u16*)&hdr.len, 2, BAP0);
3302 }
3303 len = le16_to_cpu(hdr.len);
3304
15db2763 3305 if (len > AIRO_DEF_MTU) {
934d8bf1 3306 airo_print_err(apriv->dev->name, "Bad size %d", len);
1da177e4
LT		 3307 goto badrx;
3308 }
3309 if (len == 0)
3310 goto badrx;
3311
3312 if (test_bit(FLAG_802_11, &apriv->flags)) {
3313 bap_read (apriv, (u16*)&fc, sizeof(fc), BAP0);
3314 fc = le16_to_cpu(fc);
3315 switch (fc & 0xc) {
3316 case 4:
3317 if ((fc & 0xe0) == 0xc0)
3318 hdrlen = 10;
3319 else
3320 hdrlen = 16;
3321 break;
3322 case 8:
3323 if ((fc&0x300)==0x300){
3324 hdrlen = 30;
3325 break;
3326 }
3327 default:
3328 hdrlen = 24;
3329 }
3330 } else
3331 hdrlen = ETH_ALEN * 2;
3332
3333 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3334 if ( !skb ) {
3335 apriv->stats.rx_dropped++;
3336 goto badrx;
3337 }
3338 skb_reserve(skb, 2); /* This way the IP header is aligned */
3339 buffer = (u16*)skb_put (skb, len + hdrlen);
3340 if (test_bit(FLAG_802_11, &apriv->flags)) {
3341 buffer[0] = fc;
3342 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3343 if (hdrlen == 24)
3344 bap_read (apriv, tmpbuf, 6, BAP0);
3345
3346 bap_read (apriv, &gap, sizeof(gap), BAP0);
3347 gap = le16_to_cpu(gap);
3348 if (gap) {
934d8bf1 3349 if (gap <= 8) {
1da177e4 3350 bap_read (apriv, tmpbuf, gap, BAP0);
934d8bf1
DW		 3351 } else {
3352 airo_print_err(apriv->dev->name, "gaplen too "
3353 "big. Problems will follow...");
3354 }
1da177e4
LT		 3355 }
3356 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3357 } else {
1da177e4 3358 MICBuffer micbuf;
1da177e4 3359 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
1da177e4
LT		 3360 if (apriv->micstats.enabled) {
3361 bap_read (apriv,(u16*)&micbuf,sizeof(micbuf),BAP0);
3362 if (ntohs(micbuf.typelen) > 0x05DC)
3363 bap_setup (apriv, fid, 0x44, BAP0);
3364 else {
3365 if (len <= sizeof(micbuf))
3366 goto badmic;
3367
3368 len -= sizeof(micbuf);
3369 skb_trim (skb, len + hdrlen);
3370 }
3371 }
1da177e4 3372 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
1da177e4
LT		 3373 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3374badmic:
3375 dev_kfree_skb_irq (skb);
1da177e4
LT		 3376badrx:
3377 OUT4500( apriv, EVACK, EV_RX);
3378 goto exitrx;
3379 }
3380 }
3381#ifdef WIRELESS_SPY
3382 if (apriv->spy_data.spy_number > 0) {
3383 char *sa;
3384 struct iw_quality wstats;
3385 /* Prepare spy data : addr + qual */
3386 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3387 sa = (char*)buffer + 6;
3388 bap_setup (apriv, fid, 8, BAP0);
3389 bap_read (apriv, (u16*)hdr.rssi, 2, BAP0);
3390 } else
3391 sa = (char*)buffer + 10;
3392 wstats.qual = hdr.rssi[0];
3393 if (apriv->rssi)
3394 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3395 else
3396 wstats.level = (hdr.rssi[1] + 321) / 2;
41480af2
DW		 3397 wstats.noise = apriv->wstats.qual.noise;
3398 wstats.updated = IW_QUAL_LEVEL_UPDATED
3399 | IW_QUAL_QUAL_UPDATED
ce6623c3 3400 | IW_QUAL_DBM;
1da177e4
LT		 3401 /* Update spy records */
3402 wireless_spy_update(dev, sa, &wstats);
3403 }
3404#endif /* WIRELESS_SPY */
3405 OUT4500( apriv, EVACK, EV_RX);
3406
3407 if (test_bit(FLAG_802_11, &apriv->flags)) {
3408 skb->mac.raw = skb->data;
3409 skb->pkt_type = PACKET_OTHERHOST;
3410 skb->dev = apriv->wifidev;
3411 skb->protocol = htons(ETH_P_802_2);
3412 } else {
3413 skb->dev = dev;
3414 skb->protocol = eth_type_trans(skb,dev);
3415 }
3416 skb->dev->last_rx = jiffies;
3417 skb->ip_summed = CHECKSUM_NONE;
3418
3419 netif_rx( skb );
3420 }
3421exitrx:
3422
3423 /* Check to see if a packet has been transmitted */
3424 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3425 int i;
3426 int len = 0;
3427 int index = -1;
3428
3429 if (test_bit(FLAG_MPI,&apriv->flags)) {
3430 unsigned long flags;
3431
3432 if (status & EV_TXEXC)
3433 get_tx_error(apriv, -1);
3434 spin_lock_irqsave(&apriv->aux_lock, flags);
b03efcfb 3435 if (!skb_queue_empty(&apriv->txq)) {
1da177e4
LT		 3436 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3437 mpi_send_packet (dev);
3438 } else {
3439 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3440 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3441 netif_wake_queue (dev);
3442 }
3443 OUT4500( apriv, EVACK,
3444 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3445 goto exittx;
3446 }
3447
3448 fid = IN4500(apriv, TXCOMPLFID);
3449
3450 for( i = 0; i < MAX_FIDS; i++ ) {
3451 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3452 len = apriv->fids[i] >> 16;
3453 index = i;
3454 }
3455 }
3456 if (index != -1) {
3457 if (status & EV_TXEXC)
3458 get_tx_error(apriv, index);
3459 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3460 /* Set up to be used again */
3461 apriv->fids[index] &= 0xffff;
3462 if (index < MAX_FIDS / 2) {
3463 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3464 netif_wake_queue(dev);
3465 } else {
3466 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3467 netif_wake_queue(apriv->wifidev);
3468 }
3469 } else {
3470 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
934d8bf1
DW		 3471 airo_print_err(apriv->dev->name, "Unallocated FID was "
3472 "used to xmit" );
1da177e4
LT		 3473 }
3474 }
3475exittx:
3476 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
934d8bf1 3477 airo_print_warn(apriv->dev->name, "Got weird status %x",
1da177e4
LT		 3478 status & ~STATUS_INTS & ~IGNORE_INTS );
3479 }
3480
3481 if (savedInterrupts)
3482 OUT4500( apriv, EVINTEN, savedInterrupts );
3483
3484 /* done.. */
3485 return IRQ_RETVAL(handled);
3486}
3487
3488/*
3489 * Routines to talk to the card
3490 */
3491
3492/*
3493 * This was originally written for the 4500, hence the name
3494 * NOTE: If use with 8bit mode and SMP bad things will happen!
3495 * Why would some one do 8 bit IO in an SMP machine?!?
3496 */
3497static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3498 if (test_bit(FLAG_MPI,&ai->flags))
3499 reg <<= 1;
3500 if ( !do8bitIO )
3501 outw( val, ai->dev->base_addr + reg );
3502 else {
3503 outb( val & 0xff, ai->dev->base_addr + reg );
3504 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3505 }
3506}
3507
3508static u16 IN4500( struct airo_info *ai, u16 reg ) {
3509 unsigned short rc;
3510
3511 if (test_bit(FLAG_MPI,&ai->flags))
3512 reg <<= 1;
3513 if ( !do8bitIO )
3514 rc = inw( ai->dev->base_addr + reg );
3515 else {
3516 rc = inb( ai->dev->base_addr + reg );
3517 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3518 }
3519 return rc;
3520}
3521
3522static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock ) {
3523 int rc;
3524 Cmd cmd;
3525
3526 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3527 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3528 * Note : we could try to use !netif_running(dev) in enable_MAC()
3529 * instead of this flag, but I don't trust it *within* the
3530 * open/close functions, and testing both flags together is
3531 * "cheaper" - Jean II */
3532 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3533
3534 if (lock && down_interruptible(&ai->sem))
3535 return -ERESTARTSYS;
3536
3537 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3538 memset(&cmd, 0, sizeof(cmd));
3539 cmd.cmd = MAC_ENABLE;
3540 rc = issuecommand(ai, &cmd, rsp);
3541 if (rc == SUCCESS)
3542 set_bit(FLAG_ENABLED, &ai->flags);
3543 } else
3544 rc = SUCCESS;
3545
3546 if (lock)
3547 up(&ai->sem);
3548
3549 if (rc)
934d8bf1
DW		 3550 airo_print_err(ai->dev->name, "%s: Cannot enable MAC, err=%d",
3551 __FUNCTION__, rc);
1da177e4
LT		 3552 return rc;
3553}
3554
3555static void disable_MAC( struct airo_info *ai, int lock ) {
3556 Cmd cmd;
3557 Resp rsp;
3558
3559 if (lock && down_interruptible(&ai->sem))
3560 return;
3561
3562 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3563 memset(&cmd, 0, sizeof(cmd));
3564 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3565 issuecommand(ai, &cmd, &rsp);
3566 clear_bit(FLAG_ENABLED, &ai->flags);
3567 }
3568 if (lock)
3569 up(&ai->sem);
3570}
3571
3572static void enable_interrupts( struct airo_info *ai ) {
3573 /* Enable the interrupts */
3574 OUT4500( ai, EVINTEN, STATUS_INTS );
3575}
3576
3577static void disable_interrupts( struct airo_info *ai ) {
3578 OUT4500( ai, EVINTEN, 0 );
3579}
3580
3581static void mpi_receive_802_3(struct airo_info *ai)
3582{
3583 RxFid rxd;
3584 int len = 0;
3585 struct sk_buff *skb;
3586 char *buffer;
1da177e4
LT		 3587 int off = 0;
3588 MICBuffer micbuf;
1da177e4
LT		 3589
3590 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3591 /* Make sure we got something */
3592 if (rxd.rdy && rxd.valid == 0) {
3593 len = rxd.len + 12;
3594 if (len < 12 || len > 2048)
3595 goto badrx;
3596
3597 skb = dev_alloc_skb(len);
3598 if (!skb) {
3599 ai->stats.rx_dropped++;
3600 goto badrx;
3601 }
3602 buffer = skb_put(skb,len);
1da177e4
LT		 3603 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3604 if (ai->micstats.enabled) {
3605 memcpy(&micbuf,
3606 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3607 sizeof(micbuf));
3608 if (ntohs(micbuf.typelen) <= 0x05DC) {
3609 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3610 goto badmic;
3611
3612 off = sizeof(micbuf);
3613 skb_trim (skb, len - off);
3614 }
3615 }
3616 memcpy(buffer + ETH_ALEN * 2,
3617 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3618 len - ETH_ALEN * 2 - off);
3619 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3620badmic:
3621 dev_kfree_skb_irq (skb);
3622 goto badrx;
3623 }
1da177e4
LT		 3624#ifdef WIRELESS_SPY
3625 if (ai->spy_data.spy_number > 0) {
3626 char *sa;
3627 struct iw_quality wstats;
3628 /* Prepare spy data : addr + qual */
3629 sa = buffer + ETH_ALEN;
3630 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3631 wstats.level = 0;
3632 wstats.updated = 0;
3633 /* Update spy records */
3634 wireless_spy_update(ai->dev, sa, &wstats);
3635 }
3636#endif /* WIRELESS_SPY */
3637
3638 skb->dev = ai->dev;
3639 skb->ip_summed = CHECKSUM_NONE;
3640 skb->protocol = eth_type_trans(skb, ai->dev);
3641 skb->dev->last_rx = jiffies;
3642 netif_rx(skb);
3643 }
3644badrx:
3645 if (rxd.valid == 0) {
3646 rxd.valid = 1;
3647 rxd.rdy = 0;
3648 rxd.len = PKTSIZE;
3649 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3650 }
3651}
3652
3653void mpi_receive_802_11 (struct airo_info *ai)
3654{
3655 RxFid rxd;
3656 struct sk_buff *skb = NULL;
3657 u16 fc, len, hdrlen = 0;
3658#pragma pack(1)
3659 struct {
3660 u16 status, len;
3661 u8 rssi[2];
3662 u8 rate;
3663 u8 freq;
3664 u16 tmp[4];
3665 } hdr;
3666#pragma pack()
3667 u16 gap;
3668 u16 *buffer;
3669 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3670
3671 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3672 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3673 ptr += sizeof(hdr);
3674 /* Bad CRC. Ignore packet */
3675 if (le16_to_cpu(hdr.status) & 2)
3676 hdr.len = 0;
3677 if (ai->wifidev == NULL)
3678 hdr.len = 0;
3679 len = le16_to_cpu(hdr.len);
15db2763 3680 if (len > AIRO_DEF_MTU) {
934d8bf1 3681 airo_print_err(ai->dev->name, "Bad size %d", len);
1da177e4
LT		 3682 goto badrx;
3683 }
3684 if (len == 0)
3685 goto badrx;
3686
3687 memcpy ((char *)&fc, ptr, sizeof(fc));
3688 fc = le16_to_cpu(fc);
3689 switch (fc & 0xc) {
3690 case 4:
3691 if ((fc & 0xe0) == 0xc0)
3692 hdrlen = 10;
3693 else
3694 hdrlen = 16;
3695 break;
3696 case 8:
3697 if ((fc&0x300)==0x300){
3698 hdrlen = 30;
3699 break;
3700 }
3701 default:
3702 hdrlen = 24;
3703 }
3704
3705 skb = dev_alloc_skb( len + hdrlen + 2 );
3706 if ( !skb ) {
3707 ai->stats.rx_dropped++;
3708 goto badrx;
3709 }
3710 buffer = (u16*)skb_put (skb, len + hdrlen);
3711 memcpy ((char *)buffer, ptr, hdrlen);
3712 ptr += hdrlen;
3713 if (hdrlen == 24)
3714 ptr += 6;
3715 memcpy ((char *)&gap, ptr, sizeof(gap));
3716 ptr += sizeof(gap);
3717 gap = le16_to_cpu(gap);
3718 if (gap) {
3719 if (gap <= 8)
3720 ptr += gap;
3721 else
934d8bf1
DW		 3722 airo_print_err(ai->dev->name,
3723 "gaplen too big. Problems will follow...");
1da177e4
LT		 3724 }
3725 memcpy ((char *)buffer + hdrlen, ptr, len);
3726 ptr += len;
3727#ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3728 if (ai->spy_data.spy_number > 0) {
3729 char *sa;
3730 struct iw_quality wstats;
3731 /* Prepare spy data : addr + qual */
3732 sa = (char*)buffer + 10;
3733 wstats.qual = hdr.rssi[0];
3734 if (ai->rssi)
3735 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3736 else
3737 wstats.level = (hdr.rssi[1] + 321) / 2;
41480af2
DW		 3738 wstats.noise = ai->wstats.qual.noise;
3739 wstats.updated = IW_QUAL_QUAL_UPDATED
3740 | IW_QUAL_LEVEL_UPDATED
ce6623c3 3741 | IW_QUAL_DBM;
1da177e4
LT		 3742 /* Update spy records */
3743 wireless_spy_update(ai->dev, sa, &wstats);
3744 }
3745#endif /* IW_WIRELESS_SPY */
3746 skb->mac.raw = skb->data;
3747 skb->pkt_type = PACKET_OTHERHOST;
3748 skb->dev = ai->wifidev;
3749 skb->protocol = htons(ETH_P_802_2);
3750 skb->dev->last_rx = jiffies;
3751 skb->ip_summed = CHECKSUM_NONE;
3752 netif_rx( skb );
3753badrx:
3754 if (rxd.valid == 0) {
3755 rxd.valid = 1;
3756 rxd.rdy = 0;
3757 rxd.len = PKTSIZE;
3758 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3759 }
3760}
3761
3762static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3763{
3764 Cmd cmd;
3765 Resp rsp;
3766 int status;
3767 int i;
3768 SsidRid mySsid;
3769 u16 lastindex;
3770 WepKeyRid wkr;
3771 int rc;
3772
3773 memset( &mySsid, 0, sizeof( mySsid ) );
b4558ea9
JJ		 3774 kfree (ai->flash);
3775 ai->flash = NULL;
1da177e4
LT		 3776
3777 /* The NOP is the first step in getting the card going */
3778 cmd.cmd = NOP;
3779 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3780 if (lock && down_interruptible(&ai->sem))
3781 return ERROR;
3782 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3783 if (lock)
3784 up(&ai->sem);
3785 return ERROR;
3786 }
3787 disable_MAC( ai, 0);
3788
3789 // Let's figure out if we need to use the AUX port
3790 if (!test_bit(FLAG_MPI,&ai->flags)) {
3791 cmd.cmd = CMD_ENABLEAUX;
3792 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3793 if (lock)
3794 up(&ai->sem);
934d8bf1 3795 airo_print_err(ai->dev->name, "Error checking for AUX port");
1da177e4
LT		 3796 return ERROR;
3797 }
3798 if (!aux_bap || rsp.status & 0xff00) {
3799 ai->bap_read = fast_bap_read;
934d8bf1 3800 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
1da177e4
LT		 3801 } else {
3802 ai->bap_read = aux_bap_read;
934d8bf1 3803 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
1da177e4
LT		 3804 }
3805 }
3806 if (lock)
3807 up(&ai->sem);
3808 if (ai->config.len == 0) {
3809 tdsRssiRid rssi_rid;
3810 CapabilityRid cap_rid;
3811
b4558ea9
JJ		 3812 kfree(ai->APList);
3813 ai->APList = NULL;
3814 kfree(ai->SSID);
3815 ai->SSID = NULL;
1da177e4
LT		 3816 // general configuration (read/modify/write)
3817 status = readConfigRid(ai, lock);
3818 if ( status != SUCCESS ) return ERROR;
3819
3820 status = readCapabilityRid(ai, &cap_rid, lock);
3821 if ( status != SUCCESS ) return ERROR;
3822
3823 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3824 if ( status == SUCCESS ) {
3825 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
41480af2 3826 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
1da177e4
LT		 3827 }
3828 else {
b4558ea9
JJ		 3829 kfree(ai->rssi);
3830 ai->rssi = NULL;
1da177e4
LT		 3831 if (cap_rid.softCap & 8)
3832 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3833 else
934d8bf1
DW		 3834 airo_print_warn(ai->dev->name, "unknown received signal "
3835 "level scale");
1da177e4
LT		 3836 }
3837 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3838 ai->config.authType = AUTH_OPEN;
3839 ai->config.modulation = MOD_CCK;
3840
1da177e4
LT		 3841 if ((cap_rid.len>=sizeof(cap_rid)) && (cap_rid.extSoftCap&1) &&
3842 (micsetup(ai) == SUCCESS)) {
3843 ai->config.opmode |= MODE_MIC;
3844 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3845 }
1da177e4
LT		 3846
3847 /* Save off the MAC */
3848 for( i = 0; i < ETH_ALEN; i++ ) {
3849 mac[i] = ai->config.macAddr[i];
3850 }
3851
3852 /* Check to see if there are any insmod configured
3853 rates to add */
3854 if ( rates[0] ) {
3855 int i = 0;
3856 memset(ai->config.rates,0,sizeof(ai->config.rates));
3857 for( i = 0; i < 8 && rates[i]; i++ ) {
3858 ai->config.rates[i] = rates[i];
3859 }
3860 }
3861 if ( basic_rate > 0 ) {
3862 int i;
3863 for( i = 0; i < 8; i++ ) {
3864 if ( ai->config.rates[i] == basic_rate ||
3865 !ai->config.rates ) {
3866 ai->config.rates[i] = basic_rate | 0x80;
3867 break;
3868 }
3869 }
3870 }
3871 set_bit (FLAG_COMMIT, &ai->flags);
3872 }
3873
3874 /* Setup the SSIDs if present */
3875 if ( ssids[0] ) {
3876 int i;
3877 for( i = 0; i < 3 && ssids[i]; i++ ) {
3878 mySsid.ssids[i].len = strlen(ssids[i]);
3879 if ( mySsid.ssids[i].len > 32 )
3880 mySsid.ssids[i].len = 32;
3881 memcpy(mySsid.ssids[i].ssid, ssids[i],
3882 mySsid.ssids[i].len);
3883 }
3884 mySsid.len = sizeof(mySsid);
3885 }
3886
3887 status = writeConfigRid(ai, lock);
3888 if ( status != SUCCESS ) return ERROR;
3889
3890 /* Set up the SSID list */
3891 if ( ssids[0] ) {
3892 status = writeSsidRid(ai, &mySsid, lock);
3893 if ( status != SUCCESS ) return ERROR;
3894 }
3895
3896 status = enable_MAC(ai, &rsp, lock);
3897 if ( status != SUCCESS || (rsp.status & 0xFF00) != 0) {
934d8bf1
DW		 3898 airo_print_err(ai->dev->name, "Bad MAC enable reason = %x, rid = %x,"
3899 " offset = %d", rsp.rsp0, rsp.rsp1, rsp.rsp2 );
1da177e4
LT		 3900 return ERROR;
3901 }
3902
3903 /* Grab the initial wep key, we gotta save it for auto_wep */
3904 rc = readWepKeyRid(ai, &wkr, 1, lock);
3905 if (rc == SUCCESS) do {
3906 lastindex = wkr.kindex;
3907 if (wkr.kindex == 0xffff) {
3908 ai->defindex = wkr.mac[0];
3909 }
3910 rc = readWepKeyRid(ai, &wkr, 0, lock);
3911 } while(lastindex != wkr.kindex);
3912
3913 if (auto_wep) {
3914 ai->expires = RUN_AT(3*HZ);
3915 wake_up_interruptible(&ai->thr_wait);
3916 }
3917
3918 return SUCCESS;
3919}
3920
3921static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3922 // Im really paranoid about letting it run forever!
3923 int max_tries = 600000;
3924
3925 if (IN4500(ai, EVSTAT) & EV_CMD)
3926 OUT4500(ai, EVACK, EV_CMD);
3927
3928 OUT4500(ai, PARAM0, pCmd->parm0);
3929 OUT4500(ai, PARAM1, pCmd->parm1);
3930 OUT4500(ai, PARAM2, pCmd->parm2);
3931 OUT4500(ai, COMMAND, pCmd->cmd);
3932
3933 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3934 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3935 // PC4500 didn't notice command, try again
3936 OUT4500(ai, COMMAND, pCmd->cmd);
3937 if (!in_atomic() && (max_tries & 255) == 0)
3938 schedule();
3939 }
3940
3941 if ( max_tries == -1 ) {
934d8bf1
DW		 3942 airo_print_err(ai->dev->name,
3943 "Max tries exceeded when issueing command");
1da177e4
LT		 3944 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3945 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3946 return ERROR;
3947 }
3948
3949 // command completed
3950 pRsp->status = IN4500(ai, STATUS);
3951 pRsp->rsp0 = IN4500(ai, RESP0);
3952 pRsp->rsp1 = IN4500(ai, RESP1);
3953 pRsp->rsp2 = IN4500(ai, RESP2);
3954 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET) {
934d8bf1
DW		 3955 airo_print_err(ai->dev->name, "cmd= %x\n", pCmd->cmd);
3956 airo_print_err(ai->dev->name, "status= %x\n", pRsp->status);
3957 airo_print_err(ai->dev->name, "Rsp0= %x\n", pRsp->rsp0);
3958 airo_print_err(ai->dev->name, "Rsp1= %x\n", pRsp->rsp1);
3959 airo_print_err(ai->dev->name, "Rsp2= %x\n", pRsp->rsp2);
1da177e4
LT		 3960 }
3961
3962 // clear stuck command busy if necessary
3963 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3964 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3965 }
3966 // acknowledge processing the status/response
3967 OUT4500(ai, EVACK, EV_CMD);
3968
3969 return SUCCESS;
3970}
3971
3972/* Sets up the bap to start exchange data. whichbap should
3973 * be one of the BAP0 or BAP1 defines. Locks should be held before
3974 * calling! */
3975static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3976{
3977 int timeout = 50;
3978 int max_tries = 3;
3979
3980 OUT4500(ai, SELECT0+whichbap, rid);
3981 OUT4500(ai, OFFSET0+whichbap, offset);
3982 while (1) {
3983 int status = IN4500(ai, OFFSET0+whichbap);
3984 if (status & BAP_BUSY) {
3985 /* This isn't really a timeout, but its kinda
3986 close */
3987 if (timeout--) {
3988 continue;
3989 }
3990 } else if ( status & BAP_ERR ) {
3991 /* invalid rid or offset */
934d8bf1 3992 airo_print_err(ai->dev->name, "BAP error %x %d",
1da177e4
LT		 3993 status, whichbap );
3994 return ERROR;
3995 } else if (status & BAP_DONE) { // success
3996 return SUCCESS;
3997 }
3998 if ( !(max_tries--) ) {
934d8bf1
DW		 3999 airo_print_err(ai->dev->name,
4000 "airo: BAP setup error too many retries\n");
1da177e4
LT		 4001 return ERROR;
4002 }
4003 // -- PC4500 missed it, try again
4004 OUT4500(ai, SELECT0+whichbap, rid);
4005 OUT4500(ai, OFFSET0+whichbap, offset);
4006 timeout = 50;
4007 }
4008}
4009
4010/* should only be called by aux_bap_read. This aux function and the
4011 following use concepts not documented in the developers guide. I
4012 got them from a patch given to my by Aironet */
4013static u16 aux_setup(struct airo_info *ai, u16 page,
4014 u16 offset, u16 *len)
4015{
4016 u16 next;
4017
4018 OUT4500(ai, AUXPAGE, page);
4019 OUT4500(ai, AUXOFF, 0);
4020 next = IN4500(ai, AUXDATA);
4021 *len = IN4500(ai, AUXDATA)&0xff;
4022 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4023 return next;
4024}
4025
4026/* requires call to bap_setup() first */
4027static int aux_bap_read(struct airo_info *ai, u16 *pu16Dst,
4028 int bytelen, int whichbap)
4029{
4030 u16 len;
4031 u16 page;
4032 u16 offset;
4033 u16 next;
4034 int words;
4035 int i;
4036 unsigned long flags;
4037
4038 spin_lock_irqsave(&ai->aux_lock, flags);
4039 page = IN4500(ai, SWS0+whichbap);
4040 offset = IN4500(ai, SWS2+whichbap);
4041 next = aux_setup(ai, page, offset, &len);
4042 words = (bytelen+1)>>1;
4043
4044 for (i=0; i<words;) {
4045 int count;
4046 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4047 if ( !do8bitIO )
4048 insw( ai->dev->base_addr+DATA0+whichbap,
4049 pu16Dst+i,count );
4050 else
4051 insb( ai->dev->base_addr+DATA0+whichbap,
4052 pu16Dst+i, count << 1 );
4053 i += count;
4054 if (i<words) {
4055 next = aux_setup(ai, next, 4, &len);
4056 }
4057 }
4058 spin_unlock_irqrestore(&ai->aux_lock, flags);
4059 return SUCCESS;
4060}
4061
4062
4063/* requires call to bap_setup() first */
4064static int fast_bap_read(struct airo_info *ai, u16 *pu16Dst,
4065 int bytelen, int whichbap)
4066{
4067 bytelen = (bytelen + 1) & (~1); // round up to even value
4068 if ( !do8bitIO )
4069 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4070 else
4071 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4072 return SUCCESS;
4073}
4074
4075/* requires call to bap_setup() first */
4076static int bap_write(struct airo_info *ai, const u16 *pu16Src,
4077 int bytelen, int whichbap)
4078{
4079 bytelen = (bytelen + 1) & (~1); // round up to even value
4080 if ( !do8bitIO )
4081 outsw( ai->dev->base_addr+DATA0+whichbap,
4082 pu16Src, bytelen>>1 );
4083 else
4084 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4085 return SUCCESS;
4086}
4087
4088static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4089{
4090 Cmd cmd; /* for issuing commands */
4091 Resp rsp; /* response from commands */
4092 u16 status;
4093
4094 memset(&cmd, 0, sizeof(cmd));
4095 cmd.cmd = accmd;
4096 cmd.parm0 = rid;
4097 status = issuecommand(ai, &cmd, &rsp);
4098 if (status != 0) return status;
4099 if ( (rsp.status & 0x7F00) != 0) {
4100 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4101 }
4102 return 0;
4103}
4104
4105/* Note, that we are using BAP1 which is also used by transmit, so
4106 * we must get a lock. */
4107static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4108{
4109 u16 status;
4110 int rc = SUCCESS;
4111
4112 if (lock) {
4113 if (down_interruptible(&ai->sem))
4114 return ERROR;
4115 }
4116 if (test_bit(FLAG_MPI,&ai->flags)) {
4117 Cmd cmd;
4118 Resp rsp;
4119
4120 memset(&cmd, 0, sizeof(cmd));
4121 memset(&rsp, 0, sizeof(rsp));
4122 ai->config_desc.rid_desc.valid = 1;
4123 ai->config_desc.rid_desc.len = RIDSIZE;
4124 ai->config_desc.rid_desc.rid = 0;
4125 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4126
4127 cmd.cmd = CMD_ACCESS;
4128 cmd.parm0 = rid;
4129
4130 memcpy_toio(ai->config_desc.card_ram_off,
4131 &ai->config_desc.rid_desc, sizeof(Rid));
4132
4133 rc = issuecommand(ai, &cmd, &rsp);
4134
4135 if (rsp.status & 0x7f00)
4136 rc = rsp.rsp0;
4137 if (!rc)
4138 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4139 goto done;
4140 } else {
4141 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4142 rc = status;
4143 goto done;
4144 }
4145 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4146 rc = ERROR;
4147 goto done;
4148 }
4149 // read the rid length field
4150 bap_read(ai, pBuf, 2, BAP1);
4151 // length for remaining part of rid
4152 len = min(len, (int)le16_to_cpu(*(u16*)pBuf)) - 2;
4153
4154 if ( len <= 2 ) {
934d8bf1
DW		 4155 airo_print_err(ai->dev->name,
4156 "Rid %x has a length of %d which is too short",
1da177e4
LT		 4157 (int)rid, (int)len );
4158 rc = ERROR;
4159 goto done;
4160 }
4161 // read remainder of the rid
4162 rc = bap_read(ai, ((u16*)pBuf)+1, len, BAP1);
4163 }
4164done:
4165 if (lock)
4166 up(&ai->sem);
4167 return rc;
4168}
4169
4170/* Note, that we are using BAP1 which is also used by transmit, so
4171 * make sure this isnt called when a transmit is happening */
4172static int PC4500_writerid(struct airo_info *ai, u16 rid,
4173 const void *pBuf, int len, int lock)
4174{
4175 u16 status;
4176 int rc = SUCCESS;
4177
4178 *(u16*)pBuf = cpu_to_le16((u16)len);
4179
4180 if (lock) {
4181 if (down_interruptible(&ai->sem))
4182 return ERROR;
4183 }
4184 if (test_bit(FLAG_MPI,&ai->flags)) {
4185 Cmd cmd;
4186 Resp rsp;
4187
f89b2321 4188 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
934d8bf1
DW		 4189 airo_print_err(ai->dev->name,
4190 "%s: MAC should be disabled (rid=%04x)",
1da177e4
LT		 4191 __FUNCTION__, rid);
4192 memset(&cmd, 0, sizeof(cmd));
4193 memset(&rsp, 0, sizeof(rsp));
4194
4195 ai->config_desc.rid_desc.valid = 1;
4196 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4197 ai->config_desc.rid_desc.rid = 0;
4198
4199 cmd.cmd = CMD_WRITERID;
4200 cmd.parm0 = rid;
4201
4202 memcpy_toio(ai->config_desc.card_ram_off,
4203 &ai->config_desc.rid_desc, sizeof(Rid));
4204
4205 if (len < 4 || len > 2047) {
934d8bf1 4206 airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
1da177e4
LT		 4207 rc = -1;
4208 } else {
4209 memcpy((char *)ai->config_desc.virtual_host_addr,
4210 pBuf, len);
4211
4212 rc = issuecommand(ai, &cmd, &rsp);
4213 if ((rc & 0xff00) != 0) {
934d8bf1
DW		 4214 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4215 __FUNCTION__, rc);
4216 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4217 __FUNCTION__, cmd.cmd);
1da177e4
LT		 4218 }
4219
4220 if ((rsp.status & 0x7f00))
4221 rc = rsp.rsp0;
4222 }
4223 } else {
4224 // --- first access so that we can write the rid data
4225 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4226 rc = status;
4227 goto done;
4228 }
4229 // --- now write the rid data
4230 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4231 rc = ERROR;
4232 goto done;
4233 }
4234 bap_write(ai, pBuf, len, BAP1);
4235 // ---now commit the rid data
4236 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4237 }
4238done:
4239 if (lock)
4240 up(&ai->sem);
4241 return rc;
4242}
4243
4244/* Allocates a FID to be used for transmitting packets. We only use
4245 one for now. */
4246static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4247{
4248 unsigned int loop = 3000;
4249 Cmd cmd;
4250 Resp rsp;
4251 u16 txFid;
4252 u16 txControl;
4253
4254 cmd.cmd = CMD_ALLOCATETX;
4255 cmd.parm0 = lenPayload;
4256 if (down_interruptible(&ai->sem))
4257 return ERROR;
4258 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4259 txFid = ERROR;
4260 goto done;
4261 }
4262 if ( (rsp.status & 0xFF00) != 0) {
4263 txFid = ERROR;
4264 goto done;
4265 }
4266 /* wait for the allocate event/indication
4267 * It makes me kind of nervous that this can just sit here and spin,
4268 * but in practice it only loops like four times. */
4269 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4270 if (!loop) {
4271 txFid = ERROR;
4272 goto done;
4273 }
4274
4275 // get the allocated fid and acknowledge
4276 txFid = IN4500(ai, TXALLOCFID);
4277 OUT4500(ai, EVACK, EV_ALLOC);
4278
4279 /* The CARD is pretty cool since it converts the ethernet packet
4280 * into 802.11. Also note that we don't release the FID since we
4281 * will be using the same one over and over again. */
4282 /* We only have to setup the control once since we are not
4283 * releasing the fid. */
4284 if (raw)
4285 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4286 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4287 else
4288 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4289 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4290 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4291 txFid = ERROR;
4292 else
4293 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4294
4295done:
4296 up(&ai->sem);
4297
4298 return txFid;
4299}
4300
4301/* In general BAP1 is dedicated to transmiting packets. However,
4302 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4303 Make sure the BAP1 spinlock is held when this is called. */
4304static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4305{
4306 u16 payloadLen;
4307 Cmd cmd;
4308 Resp rsp;
4309 int miclen = 0;
4310 u16 txFid = len;
4311 MICBuffer pMic;
4312
4313 len >>= 16;
4314
4315 if (len <= ETH_ALEN * 2) {
934d8bf1 4316 airo_print_warn(ai->dev->name, "Short packet %d", len);
1da177e4
LT		 4317 return ERROR;
4318 }
4319 len -= ETH_ALEN * 2;
4320
1da177e4
LT		 4321 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4322 (ntohs(((u16 *)pPacket)[6]) != 0x888E)) {
4323 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4324 return ERROR;
4325 miclen = sizeof(pMic);
4326 }
1da177e4
LT		 4327 // packet is destination[6], source[6], payload[len-12]
4328 // write the payload length and dst/src/payload
4329 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4330 /* The hardware addresses aren't counted as part of the payload, so
4331 * we have to subtract the 12 bytes for the addresses off */
4332 payloadLen = cpu_to_le16(len + miclen);
4333 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4334 bap_write(ai, (const u16*)pPacket, sizeof(etherHead), BAP1);
4335 if (miclen)
4336 bap_write(ai, (const u16*)&pMic, miclen, BAP1);
4337 bap_write(ai, (const u16*)(pPacket + sizeof(etherHead)), len, BAP1);
4338 // issue the transmit command
4339 memset( &cmd, 0, sizeof( cmd ) );
4340 cmd.cmd = CMD_TRANSMIT;
4341 cmd.parm0 = txFid;
4342 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4343 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4344 return SUCCESS;
4345}
4346
4347static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4348{
4349 u16 fc, payloadLen;
4350 Cmd cmd;
4351 Resp rsp;
4352 int hdrlen;
4353 struct {
4354 u8 addr4[ETH_ALEN];
4355 u16 gaplen;
4356 u8 gap[6];
4357 } gap;
4358 u16 txFid = len;
4359 len >>= 16;
4360 gap.gaplen = 6;
4361
4362 fc = le16_to_cpu(*(const u16*)pPacket);
4363 switch (fc & 0xc) {
4364 case 4:
4365 if ((fc & 0xe0) == 0xc0)
4366 hdrlen = 10;
4367 else
4368 hdrlen = 16;
4369 break;
4370 case 8:
4371 if ((fc&0x300)==0x300){
4372 hdrlen = 30;
4373 break;
4374 }
4375 default:
4376 hdrlen = 24;
4377 }
4378
4379 if (len < hdrlen) {
934d8bf1 4380 airo_print_warn(ai->dev->name, "Short packet %d", len);
1da177e4
LT		 4381 return ERROR;
4382 }
4383
4384 /* packet is 802.11 header + payload
4385 * write the payload length and dst/src/payload */
4386 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4387 /* The 802.11 header aren't counted as part of the payload, so
4388 * we have to subtract the header bytes off */
4389 payloadLen = cpu_to_le16(len-hdrlen);
4390 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4391 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4392 bap_write(ai, (const u16*)pPacket, hdrlen, BAP1);
4393 bap_write(ai, hdrlen == 30 ?
4394 (const u16*)&gap.gaplen : (const u16*)&gap, 38 - hdrlen, BAP1);
4395
4396 bap_write(ai, (const u16*)(pPacket + hdrlen), len - hdrlen, BAP1);
4397 // issue the transmit command
4398 memset( &cmd, 0, sizeof( cmd ) );
4399 cmd.cmd = CMD_TRANSMIT;
4400 cmd.parm0 = txFid;
4401 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4402 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4403 return SUCCESS;
4404}
4405
4406/*
4407 * This is the proc_fs routines. It is a bit messier than I would
4408 * like! Feel free to clean it up!
4409 */
4410
4411static ssize_t proc_read( struct file *file,
4412 char __user *buffer,
4413 size_t len,
4414 loff_t *offset);
4415
4416static ssize_t proc_write( struct file *file,
4417 const char __user *buffer,
4418 size_t len,
4419 loff_t *offset );
4420static int proc_close( struct inode *inode, struct file *file );
4421
4422static int proc_stats_open( struct inode *inode, struct file *file );
4423static int proc_statsdelta_open( struct inode *inode, struct file *file );
4424static int proc_status_open( struct inode *inode, struct file *file );
4425static int proc_SSID_open( struct inode *inode, struct file *file );
4426static int proc_APList_open( struct inode *inode, struct file *file );
4427static int proc_BSSList_open( struct inode *inode, struct file *file );
4428static int proc_config_open( struct inode *inode, struct file *file );
4429static int proc_wepkey_open( struct inode *inode, struct file *file );
4430
4431static struct file_operations proc_statsdelta_ops = {
4432 .read = proc_read,
4433 .open = proc_statsdelta_open,
4434 .release = proc_close
4435};
4436
4437static struct file_operations proc_stats_ops = {
4438 .read = proc_read,
4439 .open = proc_stats_open,
4440 .release = proc_close
4441};
4442
4443static struct file_operations proc_status_ops = {
4444 .read = proc_read,
4445 .open = proc_status_open,
4446 .release = proc_close
4447};
4448
4449static struct file_operations proc_SSID_ops = {
4450 .read = proc_read,
4451 .write = proc_write,
4452 .open = proc_SSID_open,
4453 .release = proc_close
4454};
4455
4456static struct file_operations proc_BSSList_ops = {
4457 .read = proc_read,
4458 .write = proc_write,
4459 .open = proc_BSSList_open,
4460 .release = proc_close
4461};
4462
4463static struct file_operations proc_APList_ops = {
4464 .read = proc_read,
4465 .write = proc_write,
4466 .open = proc_APList_open,
4467 .release = proc_close
4468};
4469
4470static struct file_operations proc_config_ops = {
4471 .read = proc_read,
4472 .write = proc_write,
4473 .open = proc_config_open,
4474 .release = proc_close
4475};
4476
4477static struct file_operations proc_wepkey_ops = {
4478 .read = proc_read,
4479 .write = proc_write,
4480 .open = proc_wepkey_open,
4481 .release = proc_close
4482};
4483
4484static struct proc_dir_entry *airo_entry;
4485
4486struct proc_data {
4487 int release_buffer;
4488 int readlen;
4489 char *rbuffer;
4490 int writelen;
4491 int maxwritelen;
4492 char *wbuffer;
4493 void (*on_close) (struct inode *, struct file *);
4494};
4495
4496#ifndef SETPROC_OPS
4497#define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4498#endif
4499
4500static int setup_proc_entry( struct net_device *dev,
4501 struct airo_info *apriv ) {
4502 struct proc_dir_entry *entry;
4503 /* First setup the device directory */
4504 strcpy(apriv->proc_name,dev->name);
4505 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4506 S_IFDIR|airo_perm,
4507 airo_entry);
4508 apriv->proc_entry->uid = proc_uid;
4509 apriv->proc_entry->gid = proc_gid;
4510 apriv->proc_entry->owner = THIS_MODULE;
4511
4512 /* Setup the StatsDelta */
4513 entry = create_proc_entry("StatsDelta",
4514 S_IFREG | (S_IRUGO&proc_perm),
4515 apriv->proc_entry);
4516 entry->uid = proc_uid;
4517 entry->gid = proc_gid;
4518 entry->data = dev;
4519 entry->owner = THIS_MODULE;
4520 SETPROC_OPS(entry, proc_statsdelta_ops);
4521
4522 /* Setup the Stats */
4523 entry = create_proc_entry("Stats",
4524 S_IFREG | (S_IRUGO&proc_perm),
4525 apriv->proc_entry);
4526 entry->uid = proc_uid;
4527 entry->gid = proc_gid;
4528 entry->data = dev;
4529 entry->owner = THIS_MODULE;
4530 SETPROC_OPS(entry, proc_stats_ops);
4531
4532 /* Setup the Status */
4533 entry = create_proc_entry("Status",
4534 S_IFREG | (S_IRUGO&proc_perm),
4535 apriv->proc_entry);
4536 entry->uid = proc_uid;
4537 entry->gid = proc_gid;
4538 entry->data = dev;
4539 entry->owner = THIS_MODULE;
4540 SETPROC_OPS(entry, proc_status_ops);
4541
4542 /* Setup the Config */
4543 entry = create_proc_entry("Config",
4544 S_IFREG | proc_perm,
4545 apriv->proc_entry);
4546 entry->uid = proc_uid;
4547 entry->gid = proc_gid;
4548 entry->data = dev;
4549 entry->owner = THIS_MODULE;
4550 SETPROC_OPS(entry, proc_config_ops);
4551
4552 /* Setup the SSID */
4553 entry = create_proc_entry("SSID",
4554 S_IFREG | proc_perm,
4555 apriv->proc_entry);
4556 entry->uid = proc_uid;
4557 entry->gid = proc_gid;
4558 entry->data = dev;
4559 entry->owner = THIS_MODULE;
4560 SETPROC_OPS(entry, proc_SSID_ops);
4561
4562 /* Setup the APList */
4563 entry = create_proc_entry("APList",
4564 S_IFREG | proc_perm,
4565 apriv->proc_entry);
4566 entry->uid = proc_uid;
4567 entry->gid = proc_gid;
4568 entry->data = dev;
4569 entry->owner = THIS_MODULE;
4570 SETPROC_OPS(entry, proc_APList_ops);
4571
4572 /* Setup the BSSList */
4573 entry = create_proc_entry("BSSList",
4574 S_IFREG | proc_perm,
4575 apriv->proc_entry);
4576 entry->uid = proc_uid;
4577 entry->gid = proc_gid;
4578 entry->data = dev;
4579 entry->owner = THIS_MODULE;
4580 SETPROC_OPS(entry, proc_BSSList_ops);
4581
4582 /* Setup the WepKey */
4583 entry = create_proc_entry("WepKey",
4584 S_IFREG | proc_perm,
4585 apriv->proc_entry);
4586 entry->uid = proc_uid;
4587 entry->gid = proc_gid;
4588 entry->data = dev;
4589 entry->owner = THIS_MODULE;
4590 SETPROC_OPS(entry, proc_wepkey_ops);
4591
4592 return 0;
4593}
4594
4595static int takedown_proc_entry( struct net_device *dev,
4596 struct airo_info *apriv ) {
4597 if ( !apriv->proc_entry->namelen ) return 0;
4598 remove_proc_entry("Stats",apriv->proc_entry);
4599 remove_proc_entry("StatsDelta",apriv->proc_entry);
4600 remove_proc_entry("Status",apriv->proc_entry);
4601 remove_proc_entry("Config",apriv->proc_entry);
4602 remove_proc_entry("SSID",apriv->proc_entry);
4603 remove_proc_entry("APList",apriv->proc_entry);
4604 remove_proc_entry("BSSList",apriv->proc_entry);
4605 remove_proc_entry("WepKey",apriv->proc_entry);
4606 remove_proc_entry(apriv->proc_name,airo_entry);
4607 return 0;
4608}
4609
4610/*
4611 * What we want from the proc_fs is to be able to efficiently read
4612 * and write the configuration. To do this, we want to read the
4613 * configuration when the file is opened and write it when the file is
4614 * closed. So basically we allocate a read buffer at open and fill it
4615 * with data, and allocate a write buffer and read it at close.
4616 */
4617
4618/*
4619 * The read routine is generic, it relies on the preallocated rbuffer
4620 * to supply the data.
4621 */
4622static ssize_t proc_read( struct file *file,
4623 char __user *buffer,
4624 size_t len,
4625 loff_t *offset )
4626{
4627 loff_t pos = *offset;
4628 struct proc_data *priv = (struct proc_data*)file->private_data;
4629
4630 if (!priv->rbuffer)
4631 return -EINVAL;
4632
4633 if (pos < 0)
4634 return -EINVAL;
4635 if (pos >= priv->readlen)
4636 return 0;
4637 if (len > priv->readlen - pos)
4638 len = priv->readlen - pos;
4639 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4640 return -EFAULT;
4641 *offset = pos + len;
4642 return len;
4643}
4644
4645/*
4646 * The write routine is generic, it fills in a preallocated rbuffer
4647 * to supply the data.
4648 */
4649static ssize_t proc_write( struct file *file,
4650 const char __user *buffer,
4651 size_t len,
4652 loff_t *offset )
4653{
4654 loff_t pos = *offset;
4655 struct proc_data *priv = (struct proc_data*)file->private_data;
4656
4657 if (!priv->wbuffer)
4658 return -EINVAL;
4659
4660 if (pos < 0)
4661 return -EINVAL;
4662 if (pos >= priv->maxwritelen)
4663 return 0;
4664 if (len > priv->maxwritelen - pos)
4665 len = priv->maxwritelen - pos;
4666 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4667 return -EFAULT;
4668 if ( pos + len > priv->writelen )
4669 priv->writelen = len + file->f_pos;
4670 *offset = pos + len;
4671 return len;
4672}
4673
4674static int proc_status_open( struct inode *inode, struct file *file ) {
4675 struct proc_data *data;
4676 struct proc_dir_entry *dp = PDE(inode);
4677 struct net_device *dev = dp->data;
4678 struct airo_info *apriv = dev->priv;
4679 CapabilityRid cap_rid;
4680 StatusRid status_rid;
4681 int i;
4682
b69a3aa8 4683 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 4684 return -ENOMEM;
1da177e4
LT		 4685 data = (struct proc_data *)file->private_data;
4686 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4687 kfree (file->private_data);
4688 return -ENOMEM;
4689 }
4690
4691 readStatusRid(apriv, &status_rid, 1);
4692 readCapabilityRid(apriv, &cap_rid, 1);
4693
4694 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4695 status_rid.mode & 1 ? "CFG ": "",
4696 status_rid.mode & 2 ? "ACT ": "",
4697 status_rid.mode & 0x10 ? "SYN ": "",
4698 status_rid.mode & 0x20 ? "LNK ": "",
4699 status_rid.mode & 0x40 ? "LEAP ": "",
4700 status_rid.mode & 0x80 ? "PRIV ": "",
4701 status_rid.mode & 0x100 ? "KEY ": "",
4702 status_rid.mode & 0x200 ? "WEP ": "",
4703 status_rid.mode & 0x8000 ? "ERR ": "");
4704 sprintf( data->rbuffer+i, "Mode: %x\n"
4705 "Signal Strength: %d\n"
4706 "Signal Quality: %d\n"
4707 "SSID: %-.*s\n"
4708 "AP: %-.16s\n"
4709 "Freq: %d\n"
4710 "BitRate: %dmbs\n"
4711 "Driver Version: %s\n"
4712 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4713 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4714 "Software Version: %x\nSoftware Subversion: %x\n"
4715 "Boot block version: %x\n",
4716 (int)status_rid.mode,
4717 (int)status_rid.normalizedSignalStrength,
4718 (int)status_rid.signalQuality,
4719 (int)status_rid.SSIDlen,
4720 status_rid.SSID,
4721 status_rid.apName,
4722 (int)status_rid.channel,
4723 (int)status_rid.currentXmitRate/2,
4724 version,
4725 cap_rid.prodName,
4726 cap_rid.manName,
4727 cap_rid.prodVer,
4728 cap_rid.radioType,
4729 cap_rid.country,
4730 cap_rid.hardVer,
4731 (int)cap_rid.softVer,
4732 (int)cap_rid.softSubVer,
4733 (int)cap_rid.bootBlockVer );
4734 data->readlen = strlen( data->rbuffer );
4735 return 0;
4736}
4737
4738static int proc_stats_rid_open(struct inode*, struct file*, u16);
4739static int proc_statsdelta_open( struct inode *inode,
4740 struct file *file ) {
4741 if (file->f_mode&FMODE_WRITE) {
4742 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4743 }
4744 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4745}
4746
4747static int proc_stats_open( struct inode *inode, struct file *file ) {
4748 return proc_stats_rid_open(inode, file, RID_STATS);
4749}
4750
4751static int proc_stats_rid_open( struct inode *inode,
4752 struct file *file,
4753 u16 rid ) {
4754 struct proc_data *data;
4755 struct proc_dir_entry *dp = PDE(inode);
4756 struct net_device *dev = dp->data;
4757 struct airo_info *apriv = dev->priv;
4758 StatsRid stats;
4759 int i, j;
4760 u32 *vals = stats.vals;
4761
b69a3aa8 4762 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 4763 return -ENOMEM;
1da177e4
LT		 4764 data = (struct proc_data *)file->private_data;
4765 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4766 kfree (file->private_data);
4767 return -ENOMEM;
4768 }
4769
4770 readStatsRid(apriv, &stats, rid, 1);
4771
4772 j = 0;
4773 for(i=0; statsLabels[i]!=(char *)-1 &&
4774 i*4<stats.len; i++){
4775 if (!statsLabels[i]) continue;
4776 if (j+strlen(statsLabels[i])+16>4096) {
934d8bf1
DW		 4777 airo_print_warn(apriv->dev->name,
4778 "Potentially disasterous buffer overflow averted!");
1da177e4
LT		 4779 break;
4780 }
4781 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], vals[i]);
4782 }
4783 if (i*4>=stats.len){
934d8bf1 4784 airo_print_warn(apriv->dev->name, "Got a short rid");
1da177e4
LT		 4785 }
4786 data->readlen = j;
4787 return 0;
4788}
4789
4790static int get_dec_u16( char *buffer, int *start, int limit ) {
4791 u16 value;
4792 int valid = 0;
4793 for( value = 0; buffer[*start] >= '0' &&
4794 buffer[*start] <= '9' &&
4795 *start < limit; (*start)++ ) {
4796 valid = 1;
4797 value *= 10;
4798 value += buffer[*start] - '0';
4799 }
4800 if ( !valid ) return -1;
4801 return value;
4802}
4803
4804static int airo_config_commit(struct net_device *dev,
4805 struct iw_request_info *info, void *zwrq,
4806 char *extra);
4807
4808static void proc_config_on_close( struct inode *inode, struct file *file ) {
4809 struct proc_data *data = file->private_data;
4810 struct proc_dir_entry *dp = PDE(inode);
4811 struct net_device *dev = dp->data;
4812 struct airo_info *ai = dev->priv;
4813 char *line;
4814
4815 if ( !data->writelen ) return;
4816
4817 readConfigRid(ai, 1);
4818 set_bit (FLAG_COMMIT, &ai->flags);
4819
4820 line = data->wbuffer;
4821 while( line[0] ) {
4822/*** Mode processing */
4823 if ( !strncmp( line, "Mode: ", 6 ) ) {
4824 line += 6;
4825 if ((ai->config.rmode & 0xff) >= RXMODE_RFMON)
4826 set_bit (FLAG_RESET, &ai->flags);
4827 ai->config.rmode &= 0xfe00;
4828 clear_bit (FLAG_802_11, &ai->flags);
4829 ai->config.opmode &= 0xFF00;
4830 ai->config.scanMode = SCANMODE_ACTIVE;
4831 if ( line[0] == 'a' ) {
4832 ai->config.opmode |= 0;
4833 } else {
4834 ai->config.opmode |= 1;
4835 if ( line[0] == 'r' ) {
4836 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4837 ai->config.scanMode = SCANMODE_PASSIVE;
4838 set_bit (FLAG_802_11, &ai->flags);
4839 } else if ( line[0] == 'y' ) {
4840 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4841 ai->config.scanMode = SCANMODE_PASSIVE;
4842 set_bit (FLAG_802_11, &ai->flags);
4843 } else if ( line[0] == 'l' )
4844 ai->config.rmode |= RXMODE_LANMON;
4845 }
4846 set_bit (FLAG_COMMIT, &ai->flags);
4847 }
4848
4849/*** Radio status */
4850 else if (!strncmp(line,"Radio: ", 7)) {
4851 line += 7;
4852 if (!strncmp(line,"off",3)) {
4853 set_bit (FLAG_RADIO_OFF, &ai->flags);
4854 } else {
4855 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4856 }
4857 }
4858/*** NodeName processing */
4859 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4860 int j;
4861
4862 line += 10;
4863 memset( ai->config.nodeName, 0, 16 );
4864/* Do the name, assume a space between the mode and node name */
4865 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4866 ai->config.nodeName[j] = line[j];
4867 }
4868 set_bit (FLAG_COMMIT, &ai->flags);
4869 }
4870
4871/*** PowerMode processing */
4872 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4873 line += 11;
4874 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4875 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4876 set_bit (FLAG_COMMIT, &ai->flags);
4877 } else if ( !strncmp( line, "PSP", 3 ) ) {
4878 ai->config.powerSaveMode = POWERSAVE_PSP;
4879 set_bit (FLAG_COMMIT, &ai->flags);
4880 } else {
4881 ai->config.powerSaveMode = POWERSAVE_CAM;
4882 set_bit (FLAG_COMMIT, &ai->flags);
4883 }
4884 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4885 int v, i = 0, k = 0; /* i is index into line,
4886 k is index to rates */
4887
4888 line += 11;
4889 while((v = get_dec_u16(line, &i, 3))!=-1) {
4890 ai->config.rates[k++] = (u8)v;
4891 line += i + 1;
4892 i = 0;
4893 }
4894 set_bit (FLAG_COMMIT, &ai->flags);
4895 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4896 int v, i = 0;
4897 line += 9;
4898 v = get_dec_u16(line, &i, i+3);
4899 if ( v != -1 ) {
4900 ai->config.channelSet = (u16)v;
4901 set_bit (FLAG_COMMIT, &ai->flags);
4902 }
4903 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4904 int v, i = 0;
4905 line += 11;
4906 v = get_dec_u16(line, &i, i+3);
4907 if ( v != -1 ) {
4908 ai->config.txPower = (u16)v;
4909 set_bit (FLAG_COMMIT, &ai->flags);
4910 }
4911 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4912 line += 5;
4913 switch( line[0] ) {
4914 case 's':
4915 ai->config.authType = (u16)AUTH_SHAREDKEY;
4916 break;
4917 case 'e':
4918 ai->config.authType = (u16)AUTH_ENCRYPT;
4919 break;
4920 default:
4921 ai->config.authType = (u16)AUTH_OPEN;
4922 break;
4923 }
4924 set_bit (FLAG_COMMIT, &ai->flags);
4925 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4926 int v, i = 0;
4927
4928 line += 16;
4929 v = get_dec_u16(line, &i, 3);
4930 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4931 ai->config.longRetryLimit = (u16)v;
4932 set_bit (FLAG_COMMIT, &ai->flags);
4933 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4934 int v, i = 0;
4935
4936 line += 17;
4937 v = get_dec_u16(line, &i, 3);
4938 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4939 ai->config.shortRetryLimit = (u16)v;
4940 set_bit (FLAG_COMMIT, &ai->flags);
4941 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4942 int v, i = 0;
4943
4944 line += 14;
4945 v = get_dec_u16(line, &i, 4);
15db2763 4946 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
1da177e4
LT		 4947 ai->config.rtsThres = (u16)v;
4948 set_bit (FLAG_COMMIT, &ai->flags);
4949 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4950 int v, i = 0;
4951
4952 line += 16;
4953 v = get_dec_u16(line, &i, 5);
4954 v = (v<0) ? 0 : v;
4955 ai->config.txLifetime = (u16)v;
4956 set_bit (FLAG_COMMIT, &ai->flags);
4957 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4958 int v, i = 0;
4959
4960 line += 16;
4961 v = get_dec_u16(line, &i, 5);
4962 v = (v<0) ? 0 : v;
4963 ai->config.rxLifetime = (u16)v;
4964 set_bit (FLAG_COMMIT, &ai->flags);
4965 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4966 ai->config.txDiversity =
4967 (line[13]=='l') ? 1 :
4968 ((line[13]=='r')? 2: 3);
4969 set_bit (FLAG_COMMIT, &ai->flags);
4970 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4971 ai->config.rxDiversity =
4972 (line[13]=='l') ? 1 :
4973 ((line[13]=='r')? 2: 3);
4974 set_bit (FLAG_COMMIT, &ai->flags);
4975 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4976 int v, i = 0;
4977
4978 line += 15;
4979 v = get_dec_u16(line, &i, 4);
15db2763 4980 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
1da177e4
LT		 4981 v = v & 0xfffe; /* Make sure its even */
4982 ai->config.fragThresh = (u16)v;
4983 set_bit (FLAG_COMMIT, &ai->flags);
4984 } else if (!strncmp(line, "Modulation: ", 12)) {
4985 line += 12;
4986 switch(*line) {
4987 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4988 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4989 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
934d8bf1 4990 default: airo_print_warn(ai->dev->name, "Unknown modulation");
1da177e4
LT		 4991 }
4992 } else if (!strncmp(line, "Preamble: ", 10)) {
4993 line += 10;
4994 switch(*line) {
4995 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4996 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4997 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
934d8bf1 4998 default: airo_print_warn(ai->dev->name, "Unknown preamble");
1da177e4
LT		 4999 }
5000 } else {
934d8bf1 5001 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
1da177e4
LT		 5002 }
5003 while( line[0] && line[0] != '\n' ) line++;
5004 if ( line[0] ) line++;
5005 }
5006 airo_config_commit(dev, NULL, NULL, NULL);
5007}
5008
5009static char *get_rmode(u16 mode) {
5010 switch(mode&0xff) {
5011 case RXMODE_RFMON: return "rfmon";
5012 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5013 case RXMODE_LANMON: return "lanmon";
5014 }
5015 return "ESS";
5016}
5017
5018static int proc_config_open( struct inode *inode, struct file *file ) {
5019 struct proc_data *data;
5020 struct proc_dir_entry *dp = PDE(inode);
5021 struct net_device *dev = dp->data;
5022 struct airo_info *ai = dev->priv;
5023 int i;
5024
b69a3aa8 5025 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5026 return -ENOMEM;
1da177e4
LT		 5027 data = (struct proc_data *)file->private_data;
5028 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5029 kfree (file->private_data);
5030 return -ENOMEM;
5031 }
b69a3aa8 5032 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5033 kfree (data->rbuffer);
5034 kfree (file->private_data);
5035 return -ENOMEM;
5036 }
1da177e4
LT		 5037 data->maxwritelen = 2048;
5038 data->on_close = proc_config_on_close;
5039
5040 readConfigRid(ai, 1);
5041
5042 i = sprintf( data->rbuffer,
5043 "Mode: %s\n"
5044 "Radio: %s\n"
5045 "NodeName: %-16s\n"
5046 "PowerMode: %s\n"
5047 "DataRates: %d %d %d %d %d %d %d %d\n"
5048 "Channel: %d\n"
5049 "XmitPower: %d\n",
5050 (ai->config.opmode & 0xFF) == 0 ? "adhoc" :
5051 (ai->config.opmode & 0xFF) == 1 ? get_rmode(ai->config.rmode):
5052 (ai->config.opmode & 0xFF) == 2 ? "AP" :
5053 (ai->config.opmode & 0xFF) == 3 ? "AP RPTR" : "Error",
5054 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5055 ai->config.nodeName,
5056 ai->config.powerSaveMode == 0 ? "CAM" :
5057 ai->config.powerSaveMode == 1 ? "PSP" :
5058 ai->config.powerSaveMode == 2 ? "PSPCAM" : "Error",
5059 (int)ai->config.rates[0],
5060 (int)ai->config.rates[1],
5061 (int)ai->config.rates[2],
5062 (int)ai->config.rates[3],
5063 (int)ai->config.rates[4],
5064 (int)ai->config.rates[5],
5065 (int)ai->config.rates[6],
5066 (int)ai->config.rates[7],
5067 (int)ai->config.channelSet,
5068 (int)ai->config.txPower
5069 );
5070 sprintf( data->rbuffer + i,
5071 "LongRetryLimit: %d\n"
5072 "ShortRetryLimit: %d\n"
5073 "RTSThreshold: %d\n"
5074 "TXMSDULifetime: %d\n"
5075 "RXMSDULifetime: %d\n"
5076 "TXDiversity: %s\n"
5077 "RXDiversity: %s\n"
5078 "FragThreshold: %d\n"
5079 "WEP: %s\n"
5080 "Modulation: %s\n"
5081 "Preamble: %s\n",
5082 (int)ai->config.longRetryLimit,
5083 (int)ai->config.shortRetryLimit,
5084 (int)ai->config.rtsThres,
5085 (int)ai->config.txLifetime,
5086 (int)ai->config.rxLifetime,
5087 ai->config.txDiversity == 1 ? "left" :
5088 ai->config.txDiversity == 2 ? "right" : "both",
5089 ai->config.rxDiversity == 1 ? "left" :
5090 ai->config.rxDiversity == 2 ? "right" : "both",
5091 (int)ai->config.fragThresh,
5092 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5093 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5094 ai->config.modulation == 0 ? "default" :
5095 ai->config.modulation == MOD_CCK ? "cck" :
5096 ai->config.modulation == MOD_MOK ? "mok" : "error",
5097 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5098 ai->config.preamble == PREAMBLE_LONG ? "long" :
5099 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5100 );
5101 data->readlen = strlen( data->rbuffer );
5102 return 0;
5103}
5104
5105static void proc_SSID_on_close( struct inode *inode, struct file *file ) {
5106 struct proc_data *data = (struct proc_data *)file->private_data;
5107 struct proc_dir_entry *dp = PDE(inode);
5108 struct net_device *dev = dp->data;
5109 struct airo_info *ai = dev->priv;
5110 SsidRid SSID_rid;
5111 Resp rsp;
5112 int i;
5113 int offset = 0;
5114
5115 if ( !data->writelen ) return;
5116
5117 memset( &SSID_rid, 0, sizeof( SSID_rid ) );
5118
5119 for( i = 0; i < 3; i++ ) {
5120 int j;
5121 for( j = 0; j+offset < data->writelen && j < 32 &&
5122 data->wbuffer[offset+j] != '\n'; j++ ) {
5123 SSID_rid.ssids[i].ssid[j] = data->wbuffer[offset+j];
5124 }
5125 if ( j == 0 ) break;
5126 SSID_rid.ssids[i].len = j;
5127 offset += j;
5128 while( data->wbuffer[offset] != '\n' &&
5129 offset < data->writelen ) offset++;
5130 offset++;
5131 }
5132 if (i)
5133 SSID_rid.len = sizeof(SSID_rid);
5134 disable_MAC(ai, 1);
5135 writeSsidRid(ai, &SSID_rid, 1);
5136 enable_MAC(ai, &rsp, 1);
5137}
5138
77933d72 5139static inline u8 hexVal(char c) {
1da177e4
LT		 5140 if (c>='0' && c<='9') return c -= '0';
5141 if (c>='a' && c<='f') return c -= 'a'-10;
5142 if (c>='A' && c<='F') return c -= 'A'-10;
5143 return 0;
5144}
5145
5146static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5147 struct proc_data *data = (struct proc_data *)file->private_data;
5148 struct proc_dir_entry *dp = PDE(inode);
5149 struct net_device *dev = dp->data;
5150 struct airo_info *ai = dev->priv;
5151 APListRid APList_rid;
5152 Resp rsp;
5153 int i;
5154
5155 if ( !data->writelen ) return;
5156
5157 memset( &APList_rid, 0, sizeof(APList_rid) );
5158 APList_rid.len = sizeof(APList_rid);
5159
5160 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5161 int j;
5162 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5163 switch(j%3) {
5164 case 0:
5165 APList_rid.ap[i][j/3]=
5166 hexVal(data->wbuffer[j+i*6*3])<<4;
5167 break;
5168 case 1:
5169 APList_rid.ap[i][j/3]|=
5170 hexVal(data->wbuffer[j+i*6*3]);
5171 break;
5172 }
5173 }
5174 }
5175 disable_MAC(ai, 1);
5176 writeAPListRid(ai, &APList_rid, 1);
5177 enable_MAC(ai, &rsp, 1);
5178}
5179
5180/* This function wraps PC4500_writerid with a MAC disable */
5181static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5182 int len, int dummy ) {
5183 int rc;
5184 Resp rsp;
5185
5186 disable_MAC(ai, 1);
5187 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5188 enable_MAC(ai, &rsp, 1);
5189 return rc;
5190}
5191
5192/* Returns the length of the key at the index. If index == 0xffff
5193 * the index of the transmit key is returned. If the key doesn't exist,
5194 * -1 will be returned.
5195 */
5196static int get_wep_key(struct airo_info *ai, u16 index) {
5197 WepKeyRid wkr;
5198 int rc;
5199 u16 lastindex;
5200
5201 rc = readWepKeyRid(ai, &wkr, 1, 1);
5202 if (rc == SUCCESS) do {
5203 lastindex = wkr.kindex;
5204 if (wkr.kindex == index) {
5205 if (index == 0xffff) {
5206 return wkr.mac[0];
5207 }
5208 return wkr.klen;
5209 }
5210 readWepKeyRid(ai, &wkr, 0, 1);
5211 } while(lastindex != wkr.kindex);
5212 return -1;
5213}
5214
5215static int set_wep_key(struct airo_info *ai, u16 index,
5216 const char *key, u16 keylen, int perm, int lock ) {
5217 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5218 WepKeyRid wkr;
5219 Resp rsp;
5220
5221 memset(&wkr, 0, sizeof(wkr));
5222 if (keylen == 0) {
5223// We are selecting which key to use
5224 wkr.len = sizeof(wkr);
5225 wkr.kindex = 0xffff;
5226 wkr.mac[0] = (char)index;
1da177e4
LT		 5227 if (perm) ai->defindex = (char)index;
5228 } else {
5229// We are actually setting the key
5230 wkr.len = sizeof(wkr);
5231 wkr.kindex = index;
5232 wkr.klen = keylen;
5233 memcpy( wkr.key, key, keylen );
5234 memcpy( wkr.mac, macaddr, ETH_ALEN );
1da177e4
LT		 5235 }
5236
f89b2321 5237 if (perm) disable_MAC(ai, lock);
1da177e4 5238 writeWepKeyRid(ai, &wkr, perm, lock);
f89b2321 5239 if (perm) enable_MAC(ai, &rsp, lock);
1da177e4
LT		 5240 return 0;
5241}
5242
5243static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5244 struct proc_data *data;
5245 struct proc_dir_entry *dp = PDE(inode);
5246 struct net_device *dev = dp->data;
5247 struct airo_info *ai = dev->priv;
5248 int i;
5249 char key[16];
5250 u16 index = 0;
5251 int j = 0;
5252
5253 memset(key, 0, sizeof(key));
5254
5255 data = (struct proc_data *)file->private_data;
5256 if ( !data->writelen ) return;
5257
5258 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5259 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5260 index = data->wbuffer[0] - '0';
5261 if (data->wbuffer[1] == '\n') {
5262 set_wep_key(ai, index, NULL, 0, 1, 1);
5263 return;
5264 }
5265 j = 2;
5266 } else {
934d8bf1 5267 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
1da177e4
LT		 5268 return;
5269 }
5270
5271 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5272 switch(i%3) {
5273 case 0:
5274 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5275 break;
5276 case 1:
5277 key[i/3] |= hexVal(data->wbuffer[i+j]);
5278 break;
5279 }
5280 }
5281 set_wep_key(ai, index, key, i/3, 1, 1);
5282}
5283
5284static int proc_wepkey_open( struct inode *inode, struct file *file ) {
5285 struct proc_data *data;
5286 struct proc_dir_entry *dp = PDE(inode);
5287 struct net_device *dev = dp->data;
5288 struct airo_info *ai = dev->priv;
5289 char *ptr;
5290 WepKeyRid wkr;
5291 u16 lastindex;
5292 int j=0;
5293 int rc;
5294
b69a3aa8 5295 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5296 return -ENOMEM;
1da177e4
LT		 5297 memset(&wkr, 0, sizeof(wkr));
5298 data = (struct proc_data *)file->private_data;
b69a3aa8 5299 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5300 kfree (file->private_data);
5301 return -ENOMEM;
5302 }
1da177e4
LT		 5303 data->writelen = 0;
5304 data->maxwritelen = 80;
b69a3aa8 5305 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5306 kfree (data->rbuffer);
5307 kfree (file->private_data);
5308 return -ENOMEM;
5309 }
1da177e4
LT		 5310 data->on_close = proc_wepkey_on_close;
5311
5312 ptr = data->rbuffer;
5313 strcpy(ptr, "No wep keys\n");
5314 rc = readWepKeyRid(ai, &wkr, 1, 1);
5315 if (rc == SUCCESS) do {
5316 lastindex = wkr.kindex;
5317 if (wkr.kindex == 0xffff) {
5318 j += sprintf(ptr+j, "Tx key = %d\n",
5319 (int)wkr.mac[0]);
5320 } else {
5321 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5322 (int)wkr.kindex, (int)wkr.klen);
5323 }
5324 readWepKeyRid(ai, &wkr, 0, 1);
5325 } while((lastindex != wkr.kindex) && (j < 180-30));
5326
5327 data->readlen = strlen( data->rbuffer );
5328 return 0;
5329}
5330
5331static int proc_SSID_open( struct inode *inode, struct file *file ) {
5332 struct proc_data *data;
5333 struct proc_dir_entry *dp = PDE(inode);
5334 struct net_device *dev = dp->data;
5335 struct airo_info *ai = dev->priv;
5336 int i;
5337 char *ptr;
5338 SsidRid SSID_rid;
5339
b69a3aa8 5340 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5341 return -ENOMEM;
1da177e4
LT		 5342 data = (struct proc_data *)file->private_data;
5343 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5344 kfree (file->private_data);
5345 return -ENOMEM;
5346 }
5347 data->writelen = 0;
5348 data->maxwritelen = 33*3;
b69a3aa8 5349 if ((data->wbuffer = kzalloc( 33*3, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5350 kfree (data->rbuffer);
5351 kfree (file->private_data);
5352 return -ENOMEM;
5353 }
1da177e4
LT		 5354 data->on_close = proc_SSID_on_close;
5355
5356 readSsidRid(ai, &SSID_rid);
5357 ptr = data->rbuffer;
5358 for( i = 0; i < 3; i++ ) {
5359 int j;
5360 if ( !SSID_rid.ssids[i].len ) break;
5361 for( j = 0; j < 32 &&
5362 j < SSID_rid.ssids[i].len &&
5363 SSID_rid.ssids[i].ssid[j]; j++ ) {
5364 *ptr++ = SSID_rid.ssids[i].ssid[j];
5365 }
5366 *ptr++ = '\n';
5367 }
5368 *ptr = '\0';
5369 data->readlen = strlen( data->rbuffer );
5370 return 0;
5371}
5372
5373static int proc_APList_open( struct inode *inode, struct file *file ) {
5374 struct proc_data *data;
5375 struct proc_dir_entry *dp = PDE(inode);
5376 struct net_device *dev = dp->data;
5377 struct airo_info *ai = dev->priv;
5378 int i;
5379 char *ptr;
5380 APListRid APList_rid;
5381
b69a3aa8 5382 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5383 return -ENOMEM;
1da177e4
LT		 5384 data = (struct proc_data *)file->private_data;
5385 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5386 kfree (file->private_data);
5387 return -ENOMEM;
5388 }
5389 data->writelen = 0;
5390 data->maxwritelen = 4*6*3;
b69a3aa8 5391 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5392 kfree (data->rbuffer);
5393 kfree (file->private_data);
5394 return -ENOMEM;
5395 }
1da177e4
LT		 5396 data->on_close = proc_APList_on_close;
5397
5398 readAPListRid(ai, &APList_rid);
5399 ptr = data->rbuffer;
5400 for( i = 0; i < 4; i++ ) {
5401// We end when we find a zero MAC
5402 if ( !*(int*)APList_rid.ap[i] &&
5403 !*(int*)&APList_rid.ap[i][2]) break;
5404 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x\n",
5405 (int)APList_rid.ap[i][0],
5406 (int)APList_rid.ap[i][1],
5407 (int)APList_rid.ap[i][2],
5408 (int)APList_rid.ap[i][3],
5409 (int)APList_rid.ap[i][4],
5410 (int)APList_rid.ap[i][5]);
5411 }
5412 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5413
5414 *ptr = '\0';
5415 data->readlen = strlen( data->rbuffer );
5416 return 0;
5417}
5418
5419static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5420 struct proc_data *data;
5421 struct proc_dir_entry *dp = PDE(inode);
5422 struct net_device *dev = dp->data;
5423 struct airo_info *ai = dev->priv;
5424 char *ptr;
5425 BSSListRid BSSList_rid;
5426 int rc;
5427 /* If doLoseSync is not 1, we won't do a Lose Sync */
5428 int doLoseSync = -1;
5429
b69a3aa8 5430 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5431 return -ENOMEM;
1da177e4
LT		 5432 data = (struct proc_data *)file->private_data;
5433 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5434 kfree (file->private_data);
5435 return -ENOMEM;
5436 }
5437 data->writelen = 0;
5438 data->maxwritelen = 0;
5439 data->wbuffer = NULL;
5440 data->on_close = NULL;
5441
5442 if (file->f_mode & FMODE_WRITE) {
5443 if (!(file->f_mode & FMODE_READ)) {
5444 Cmd cmd;
5445 Resp rsp;
5446
5447 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5448 memset(&cmd, 0, sizeof(cmd));
5449 cmd.cmd=CMD_LISTBSS;
5450 if (down_interruptible(&ai->sem))
5451 return -ERESTARTSYS;
5452 issuecommand(ai, &cmd, &rsp);
5453 up(&ai->sem);
5454 data->readlen = 0;
5455 return 0;
5456 }
5457 doLoseSync = 1;
5458 }
5459 ptr = data->rbuffer;
5460 /* There is a race condition here if there are concurrent opens.
5461 Since it is a rare condition, we'll just live with it, otherwise
5462 we have to add a spin lock... */
5463 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5464 while(rc == 0 && BSSList_rid.index != 0xffff) {
5465 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x %*s rssi = %d",
5466 (int)BSSList_rid.bssid[0],
5467 (int)BSSList_rid.bssid[1],
5468 (int)BSSList_rid.bssid[2],
5469 (int)BSSList_rid.bssid[3],
5470 (int)BSSList_rid.bssid[4],
5471 (int)BSSList_rid.bssid[5],
5472 (int)BSSList_rid.ssidLen,
5473 BSSList_rid.ssid,
41480af2 5474 (int)BSSList_rid.dBm);
1da177e4
LT		 5475 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5476 (int)BSSList_rid.dsChannel,
5477 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5478 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5479 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5480 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5481 rc = readBSSListRid(ai, 0, &BSSList_rid);
5482 }
5483 *ptr = '\0';
5484 data->readlen = strlen( data->rbuffer );
5485 return 0;
5486}
5487
5488static int proc_close( struct inode *inode, struct file *file )
5489{
b4558ea9
JJ		 5490 struct proc_data *data = file->private_data;
5491
5492 if (data->on_close != NULL)
5493 data->on_close(inode, file);
5494 kfree(data->rbuffer);
5495 kfree(data->wbuffer);
5496 kfree(data);
1da177e4
LT		 5497 return 0;
5498}
5499
5500static struct net_device_list {
5501 struct net_device *dev;
5502 struct net_device_list *next;
5503} *airo_devices;
5504
5505/* Since the card doesn't automatically switch to the right WEP mode,
5506 we will make it do it. If the card isn't associated, every secs we
5507 will switch WEP modes to see if that will help. If the card is
5508 associated we will check every minute to see if anything has
5509 changed. */
5510static void timer_func( struct net_device *dev ) {
5511 struct airo_info *apriv = dev->priv;
5512 Resp rsp;
5513
5514/* We don't have a link so try changing the authtype */
5515 readConfigRid(apriv, 0);
5516 disable_MAC(apriv, 0);
5517 switch(apriv->config.authType) {
5518 case AUTH_ENCRYPT:
5519/* So drop to OPEN */
5520 apriv->config.authType = AUTH_OPEN;
5521 break;
5522 case AUTH_SHAREDKEY:
5523 if (apriv->keyindex < auto_wep) {
5524 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5525 apriv->config.authType = AUTH_SHAREDKEY;
5526 apriv->keyindex++;
5527 } else {
5528 /* Drop to ENCRYPT */
5529 apriv->keyindex = 0;
5530 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5531 apriv->config.authType = AUTH_ENCRYPT;
5532 }
5533 break;
5534 default: /* We'll escalate to SHAREDKEY */
5535 apriv->config.authType = AUTH_SHAREDKEY;
5536 }
5537 set_bit (FLAG_COMMIT, &apriv->flags);
5538 writeConfigRid(apriv, 0);
5539 enable_MAC(apriv, &rsp, 0);
5540 up(&apriv->sem);
5541
5542/* Schedule check to see if the change worked */
3c304956 5543 clear_bit(JOB_AUTOWEP, &apriv->jobs);
1da177e4
LT		 5544 apriv->expires = RUN_AT(HZ*3);
5545}
5546
5547static int add_airo_dev( struct net_device *dev ) {
5548 struct net_device_list *node = kmalloc( sizeof( *node ), GFP_KERNEL );
5549 if ( !node )
5550 return -ENOMEM;
5551
5552 node->dev = dev;
5553 node->next = airo_devices;
5554 airo_devices = node;
5555
5556 return 0;
5557}
5558
5559static void del_airo_dev( struct net_device *dev ) {
5560 struct net_device_list **p = &airo_devices;
5561 while( *p && ( (*p)->dev != dev ) )
5562 p = &(*p)->next;
5563 if ( *p && (*p)->dev == dev )
5564 *p = (*p)->next;
5565}
5566
5567#ifdef CONFIG_PCI
5568static int __devinit airo_pci_probe(struct pci_dev *pdev,
5569 const struct pci_device_id *pent)
5570{
5571 struct net_device *dev;
5572
5573 if (pci_enable_device(pdev))
5574 return -ENODEV;
5575 pci_set_master(pdev);
5576
5577 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5578 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5579 else
5580 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5581 if (!dev)
5582 return -ENODEV;
5583
5584 pci_set_drvdata(pdev, dev);
5585 return 0;
5586}
5587
5588static void __devexit airo_pci_remove(struct pci_dev *pdev)
5589{
5590}
5591
05adc3b7 5592static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
1da177e4
LT		 5593{
5594 struct net_device *dev = pci_get_drvdata(pdev);
5595 struct airo_info *ai = dev->priv;
5596 Cmd cmd;
5597 Resp rsp;
5598
5599 if ((ai->APList == NULL) &&
5600 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5601 return -ENOMEM;
5602 if ((ai->SSID == NULL) &&
5603 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5604 return -ENOMEM;
5605 readAPListRid(ai, ai->APList);
5606 readSsidRid(ai, ai->SSID);
5607 memset(&cmd, 0, sizeof(cmd));
5608 /* the lock will be released at the end of the resume callback */
5609 if (down_interruptible(&ai->sem))
5610 return -EAGAIN;
5611 disable_MAC(ai, 0);
5612 netif_device_detach(dev);
5613 ai->power = state;
5614 cmd.cmd=HOSTSLEEP;
5615 issuecommand(ai, &cmd, &rsp);
5616
1cc68ae0 5617 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
1da177e4 5618 pci_save_state(pdev);
1cc68ae0 5619 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
1da177e4
LT		 5620}
5621
5622static int airo_pci_resume(struct pci_dev *pdev)
5623{
5624 struct net_device *dev = pci_get_drvdata(pdev);
5625 struct airo_info *ai = dev->priv;
5626 Resp rsp;
53232803 5627 pci_power_t prev_state = pdev->current_state;
1da177e4 5628
53232803 5629 pci_set_power_state(pdev, PCI_D0);
1da177e4 5630 pci_restore_state(pdev);
53232803 5631 pci_enable_wake(pdev, PCI_D0, 0);
1da177e4 5632
53232803 5633 if (prev_state != PCI_D1) {
1da177e4
LT		 5634 reset_card(dev, 0);
5635 mpi_init_descriptors(ai);
5636 setup_card(ai, dev->dev_addr, 0);
5637 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5638 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5639 } else {
5640 OUT4500(ai, EVACK, EV_AWAKEN);
5641 OUT4500(ai, EVACK, EV_AWAKEN);
5642 msleep(100);
5643 }
5644
5645 set_bit (FLAG_COMMIT, &ai->flags);
5646 disable_MAC(ai, 0);
5647 msleep(200);
5648 if (ai->SSID) {
5649 writeSsidRid(ai, ai->SSID, 0);
5650 kfree(ai->SSID);
5651 ai->SSID = NULL;
5652 }
5653 if (ai->APList) {
5654 writeAPListRid(ai, ai->APList, 0);
5655 kfree(ai->APList);
5656 ai->APList = NULL;
5657 }
5658 writeConfigRid(ai, 0);
5659 enable_MAC(ai, &rsp, 0);
1cc68ae0 5660 ai->power = PMSG_ON;
1da177e4
LT		 5661 netif_device_attach(dev);
5662 netif_wake_queue(dev);
5663 enable_interrupts(ai);
5664 up(&ai->sem);
5665 return 0;
5666}
5667#endif
5668
5669static int __init airo_init_module( void )
5670{
5671 int i, have_isa_dev = 0;
5672
5673 airo_entry = create_proc_entry("aironet",
5674 S_IFDIR | airo_perm,
5675 proc_root_driver);
5676 airo_entry->uid = proc_uid;
5677 airo_entry->gid = proc_gid;
5678
5679 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
934d8bf1
DW		 5680 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5681 "io=0x%x", irq[i], io[i] );
1da177e4
LT		 5682 if (init_airo_card( irq[i], io[i], 0, NULL ))
5683 have_isa_dev = 1;
5684 }
5685
5686#ifdef CONFIG_PCI
934d8bf1 5687 airo_print_info("", "Probing for PCI adapters");
1da177e4 5688 pci_register_driver(&airo_driver);
934d8bf1 5689 airo_print_info("", "Finished probing for PCI adapters");
1da177e4
LT		 5690#endif
5691
5692 /* Always exit with success, as we are a library module
5693 * as well as a driver module
5694 */
5695 return 0;
5696}
5697
5698static void __exit airo_cleanup_module( void )
5699{
5700 while( airo_devices ) {
934d8bf1 5701 airo_print_info(airo_devices->dev->name, "Unregistering...\n");
1da177e4
LT		 5702 stop_airo_card( airo_devices->dev, 1 );
5703 }
5704#ifdef CONFIG_PCI
5705 pci_unregister_driver(&airo_driver);
5706#endif
5707 remove_proc_entry("aironet", proc_root_driver);
5708}
5709
1da177e4
LT		 5710/*
5711 * Initial Wireless Extension code for Aironet driver by :
5712 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5713 * Conversion to new driver API by :
5714 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5715 * Javier also did a good amount of work here, adding some new extensions
5716 * and fixing my code. Let's just say that without him this code just
5717 * would not work at all... - Jean II
5718 */
5719
41480af2
DW		 5720static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5721{
5722 if( !rssi_rid )
5723 return 0;
5724
5725 return (0x100 - rssi_rid[rssi].rssidBm);
5726}
5727
5728static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5729{
5730 int i;
5731
5732 if( !rssi_rid )
5733 return 0;
5734
5735 for( i = 0; i < 256; i++ )
5736 if (rssi_rid[i].rssidBm == dbm)
5737 return rssi_rid[i].rssipct;
5738
5739 return 0;
5740}
5741
5742
1da177e4
LT		 5743static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5744{
5745 int quality = 0;
5746
5747 if ((status_rid->mode & 0x3f) == 0x3f && (cap_rid->hardCap & 8)) {
5748 if (memcmp(cap_rid->prodName, "350", 3))
5749 if (status_rid->signalQuality > 0x20)
5750 quality = 0;
5751 else
5752 quality = 0x20 - status_rid->signalQuality;
5753 else
5754 if (status_rid->signalQuality > 0xb0)
5755 quality = 0;
5756 else if (status_rid->signalQuality < 0x10)
5757 quality = 0xa0;
5758 else
5759 quality = 0xb0 - status_rid->signalQuality;
5760 }
5761 return quality;
5762}
5763
5764#define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5765#define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5766
5767/*------------------------------------------------------------------*/
5768/*
5769 * Wireless Handler : get protocol name
5770 */
5771static int airo_get_name(struct net_device *dev,
5772 struct iw_request_info *info,
5773 char *cwrq,
5774 char *extra)
5775{
5776 strcpy(cwrq, "IEEE 802.11-DS");
5777 return 0;
5778}
5779
5780/*------------------------------------------------------------------*/
5781/*
5782 * Wireless Handler : set frequency
5783 */
5784static int airo_set_freq(struct net_device *dev,
5785 struct iw_request_info *info,
5786 struct iw_freq *fwrq,
5787 char *extra)
5788{
5789 struct airo_info *local = dev->priv;
5790 int rc = -EINPROGRESS; /* Call commit handler */
5791
5792 /* If setting by frequency, convert to a channel */
5793 if((fwrq->e == 1) &&
5794 (fwrq->m >= (int) 2.412e8) &&
5795 (fwrq->m <= (int) 2.487e8)) {
5796 int f = fwrq->m / 100000;
5797 int c = 0;
5798 while((c < 14) && (f != frequency_list[c]))
5799 c++;
5800 /* Hack to fall through... */
5801 fwrq->e = 0;
5802 fwrq->m = c + 1;
5803 }
5804 /* Setting by channel number */
5805 if((fwrq->m > 1000) || (fwrq->e > 0))
5806 rc = -EOPNOTSUPP;
5807 else {
5808 int channel = fwrq->m;
5809 /* We should do a better check than that,
5810 * based on the card capability !!! */
2610c733 5811 if((channel < 1) || (channel > 14)) {
934d8bf1
DW		 5812 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5813 fwrq->m);
1da177e4
LT		 5814 rc = -EINVAL;
5815 } else {
5816 readConfigRid(local, 1);
5817 /* Yes ! We can set it !!! */
2610c733 5818 local->config.channelSet = (u16) channel;
1da177e4
LT		 5819 set_bit (FLAG_COMMIT, &local->flags);
5820 }
5821 }
5822 return rc;
5823}
5824
5825/*------------------------------------------------------------------*/
5826/*
5827 * Wireless Handler : get frequency
5828 */
5829static int airo_get_freq(struct net_device *dev,
5830 struct iw_request_info *info,
5831 struct iw_freq *fwrq,
5832 char *extra)
5833{
5834 struct airo_info *local = dev->priv;
5835 StatusRid status_rid; /* Card status info */
2610c733 5836 int ch;
1da177e4
LT		 5837
5838 readConfigRid(local, 1);
5839 if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
5840 status_rid.channel = local->config.channelSet;
5841 else
5842 readStatusRid(local, &status_rid, 1);
5843
2610c733
JA		 5844 ch = (int)status_rid.channel;
5845 if((ch > 0) && (ch < 15)) {
5846 fwrq->m = frequency_list[ch - 1] * 100000;
1da177e4 5847 fwrq->e = 1;
2610c733
JA		 5848 } else {
5849 fwrq->m = ch;
5850 fwrq->e = 0;
1da177e4 5851 }
1da177e4
LT		 5852
5853 return 0;
5854}
5855
5856/*------------------------------------------------------------------*/
5857/*
5858 * Wireless Handler : set ESSID
5859 */
5860static int airo_set_essid(struct net_device *dev,
5861 struct iw_request_info *info,
5862 struct iw_point *dwrq,
5863 char *extra)
5864{
5865 struct airo_info *local = dev->priv;
5866 Resp rsp;
5867 SsidRid SSID_rid; /* SSIDs */
5868
5869 /* Reload the list of current SSID */
5870 readSsidRid(local, &SSID_rid);
5871
5872 /* Check if we asked for `any' */
5873 if(dwrq->flags == 0) {
5874 /* Just send an empty SSID list */
5875 memset(&SSID_rid, 0, sizeof(SSID_rid));
5876 } else {
5877 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5878
5879 /* Check the size of the string */
5880 if(dwrq->length > IW_ESSID_MAX_SIZE+1) {
5881 return -E2BIG ;
5882 }
5883 /* Check if index is valid */
5884 if((index < 0) || (index >= 4)) {
5885 return -EINVAL;
5886 }
5887
5888 /* Set the SSID */
5889 memset(SSID_rid.ssids[index].ssid, 0,
5890 sizeof(SSID_rid.ssids[index].ssid));
5891 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5892 SSID_rid.ssids[index].len = dwrq->length - 1;
5893 }
5894 SSID_rid.len = sizeof(SSID_rid);
5895 /* Write it to the card */
5896 disable_MAC(local, 1);
5897 writeSsidRid(local, &SSID_rid, 1);
5898 enable_MAC(local, &rsp, 1);
5899
5900 return 0;
5901}
5902
5903/*------------------------------------------------------------------*/
5904/*
5905 * Wireless Handler : get ESSID
5906 */
5907static int airo_get_essid(struct net_device *dev,
5908 struct iw_request_info *info,
5909 struct iw_point *dwrq,
5910 char *extra)
5911{
5912 struct airo_info *local = dev->priv;
5913 StatusRid status_rid; /* Card status info */
5914
5915 readStatusRid(local, &status_rid, 1);
5916
5917 /* Note : if dwrq->flags != 0, we should
5918 * get the relevant SSID from the SSID list... */
5919
5920 /* Get the current SSID */
5921 memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
5922 extra[status_rid.SSIDlen] = '\0';
5923 /* If none, we may want to get the one that was set */
5924
5925 /* Push it out ! */
d6a13a24 5926 dwrq->length = status_rid.SSIDlen;
1da177e4
LT		 5927 dwrq->flags = 1; /* active */
5928
5929 return 0;
5930}
5931
5932/*------------------------------------------------------------------*/
5933/*
5934 * Wireless Handler : set AP address
5935 */
5936static int airo_set_wap(struct net_device *dev,
5937 struct iw_request_info *info,
5938 struct sockaddr *awrq,
5939 char *extra)
5940{
5941 struct airo_info *local = dev->priv;
5942 Cmd cmd;
5943 Resp rsp;
5944 APListRid APList_rid;
4be757dd
DW		 5945 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5946 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
1da177e4
LT		 5947
5948 if (awrq->sa_family != ARPHRD_ETHER)
5949 return -EINVAL;
4be757dd
DW		 5950 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5951 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
1da177e4
LT		 5952 memset(&cmd, 0, sizeof(cmd));
5953 cmd.cmd=CMD_LOSE_SYNC;
5954 if (down_interruptible(&local->sem))
5955 return -ERESTARTSYS;
5956 issuecommand(local, &cmd, &rsp);
5957 up(&local->sem);
5958 } else {
5959 memset(&APList_rid, 0, sizeof(APList_rid));
5960 APList_rid.len = sizeof(APList_rid);
5961 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5962 disable_MAC(local, 1);
5963 writeAPListRid(local, &APList_rid, 1);
5964 enable_MAC(local, &rsp, 1);
5965 }
5966 return 0;
5967}
5968
5969/*------------------------------------------------------------------*/
5970/*
5971 * Wireless Handler : get AP address
5972 */
5973static int airo_get_wap(struct net_device *dev,
5974 struct iw_request_info *info,
5975 struct sockaddr *awrq,
5976 char *extra)
5977{
5978 struct airo_info *local = dev->priv;
5979 StatusRid status_rid; /* Card status info */
5980
5981 readStatusRid(local, &status_rid, 1);
5982
5983 /* Tentative. This seems to work, wow, I'm lucky !!! */
5984 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5985 awrq->sa_family = ARPHRD_ETHER;
5986
5987 return 0;
5988}
5989
5990/*------------------------------------------------------------------*/
5991/*
5992 * Wireless Handler : set Nickname
5993 */
5994static int airo_set_nick(struct net_device *dev,
5995 struct iw_request_info *info,
5996 struct iw_point *dwrq,
5997 char *extra)
5998{
5999 struct airo_info *local = dev->priv;
6000
6001 /* Check the size of the string */
6002 if(dwrq->length > 16 + 1) {
6003 return -E2BIG;
6004 }
6005 readConfigRid(local, 1);
6006 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6007 memcpy(local->config.nodeName, extra, dwrq->length);
6008 set_bit (FLAG_COMMIT, &local->flags);
6009
6010 return -EINPROGRESS; /* Call commit handler */
6011}
6012
6013/*------------------------------------------------------------------*/
6014/*
6015 * Wireless Handler : get Nickname
6016 */
6017static int airo_get_nick(struct net_device *dev,
6018 struct iw_request_info *info,
6019 struct iw_point *dwrq,
6020 char *extra)
6021{
6022 struct airo_info *local = dev->priv;
6023
6024 readConfigRid(local, 1);
6025 strncpy(extra, local->config.nodeName, 16);
6026 extra[16] = '\0';
6027 dwrq->length = strlen(extra) + 1;
6028
6029 return 0;
6030}
6031
6032/*------------------------------------------------------------------*/
6033/*
6034 * Wireless Handler : set Bit-Rate
6035 */
6036static int airo_set_rate(struct net_device *dev,
6037 struct iw_request_info *info,
6038 struct iw_param *vwrq,
6039 char *extra)
6040{
6041 struct airo_info *local = dev->priv;
6042 CapabilityRid cap_rid; /* Card capability info */
6043 u8 brate = 0;
6044 int i;
6045
6046 /* First : get a valid bit rate value */
6047 readCapabilityRid(local, &cap_rid, 1);
6048
6049 /* Which type of value ? */
6050 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6051 /* Setting by rate index */
6052 /* Find value in the magic rate table */
6053 brate = cap_rid.supportedRates[vwrq->value];
6054 } else {
6055 /* Setting by frequency value */
6056 u8 normvalue = (u8) (vwrq->value/500000);
6057
6058 /* Check if rate is valid */
6059 for(i = 0 ; i < 8 ; i++) {
6060 if(normvalue == cap_rid.supportedRates[i]) {
6061 brate = normvalue;
6062 break;
6063 }
6064 }
6065 }
6066 /* -1 designed the max rate (mostly auto mode) */
6067 if(vwrq->value == -1) {
6068 /* Get the highest available rate */
6069 for(i = 0 ; i < 8 ; i++) {
6070 if(cap_rid.supportedRates[i] == 0)
6071 break;
6072 }
6073 if(i != 0)
6074 brate = cap_rid.supportedRates[i - 1];
6075 }
6076 /* Check that it is valid */
6077 if(brate == 0) {
6078 return -EINVAL;
6079 }
6080
6081 readConfigRid(local, 1);
6082 /* Now, check if we want a fixed or auto value */
6083 if(vwrq->fixed == 0) {
6084 /* Fill all the rates up to this max rate */
6085 memset(local->config.rates, 0, 8);
6086 for(i = 0 ; i < 8 ; i++) {
6087 local->config.rates[i] = cap_rid.supportedRates[i];
6088 if(local->config.rates[i] == brate)
6089 break;
6090 }
6091 } else {
6092 /* Fixed mode */
6093 /* One rate, fixed */
6094 memset(local->config.rates, 0, 8);
6095 local->config.rates[0] = brate;
6096 }
6097 set_bit (FLAG_COMMIT, &local->flags);
6098
6099 return -EINPROGRESS; /* Call commit handler */
6100}
6101
6102/*------------------------------------------------------------------*/
6103/*
6104 * Wireless Handler : get Bit-Rate
6105 */
6106static int airo_get_rate(struct net_device *dev,
6107 struct iw_request_info *info,
6108 struct iw_param *vwrq,
6109 char *extra)
6110{
6111 struct airo_info *local = dev->priv;
6112 StatusRid status_rid; /* Card status info */
6113
6114 readStatusRid(local, &status_rid, 1);
6115
6116 vwrq->value = status_rid.currentXmitRate * 500000;
6117 /* If more than one rate, set auto */
6118 readConfigRid(local, 1);
6119 vwrq->fixed = (local->config.rates[1] == 0);
6120
6121 return 0;
6122}
6123
6124/*------------------------------------------------------------------*/
6125/*
6126 * Wireless Handler : set RTS threshold
6127 */
6128static int airo_set_rts(struct net_device *dev,
6129 struct iw_request_info *info,
6130 struct iw_param *vwrq,
6131 char *extra)
6132{
6133 struct airo_info *local = dev->priv;
6134 int rthr = vwrq->value;
6135
6136 if(vwrq->disabled)
15db2763
DW		 6137 rthr = AIRO_DEF_MTU;
6138 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
1da177e4
LT		 6139 return -EINVAL;
6140 }
6141 readConfigRid(local, 1);
6142 local->config.rtsThres = rthr;
6143 set_bit (FLAG_COMMIT, &local->flags);
6144
6145 return -EINPROGRESS; /* Call commit handler */
6146}
6147
6148/*------------------------------------------------------------------*/
6149/*
6150 * Wireless Handler : get RTS threshold
6151 */
6152static int airo_get_rts(struct net_device *dev,
6153 struct iw_request_info *info,
6154 struct iw_param *vwrq,
6155 char *extra)
6156{
6157 struct airo_info *local = dev->priv;
6158
6159 readConfigRid(local, 1);
6160 vwrq->value = local->config.rtsThres;
15db2763 6161 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
1da177e4
LT		 6162 vwrq->fixed = 1;
6163
6164 return 0;
6165}
6166
6167/*------------------------------------------------------------------*/
6168/*
6169 * Wireless Handler : set Fragmentation threshold
6170 */
6171static int airo_set_frag(struct net_device *dev,
6172 struct iw_request_info *info,
6173 struct iw_param *vwrq,
6174 char *extra)
6175{
6176 struct airo_info *local = dev->priv;
6177 int fthr = vwrq->value;
6178
6179 if(vwrq->disabled)
15db2763
DW		 6180 fthr = AIRO_DEF_MTU;
6181 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
1da177e4
LT		 6182 return -EINVAL;
6183 }
6184 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6185 readConfigRid(local, 1);
6186 local->config.fragThresh = (u16)fthr;
6187 set_bit (FLAG_COMMIT, &local->flags);
6188
6189 return -EINPROGRESS; /* Call commit handler */
6190}
6191
6192/*------------------------------------------------------------------*/
6193/*
6194 * Wireless Handler : get Fragmentation threshold
6195 */
6196static int airo_get_frag(struct net_device *dev,
6197 struct iw_request_info *info,
6198 struct iw_param *vwrq,
6199 char *extra)
6200{
6201 struct airo_info *local = dev->priv;
6202
6203 readConfigRid(local, 1);
6204 vwrq->value = local->config.fragThresh;
15db2763 6205 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
1da177e4
LT		 6206 vwrq->fixed = 1;
6207
6208 return 0;
6209}
6210
6211/*------------------------------------------------------------------*/
6212/*
6213 * Wireless Handler : set Mode of Operation
6214 */
6215static int airo_set_mode(struct net_device *dev,
6216 struct iw_request_info *info,
6217 __u32 *uwrq,
6218 char *extra)
6219{
6220 struct airo_info *local = dev->priv;
6221 int reset = 0;
6222
6223 readConfigRid(local, 1);
6224 if ((local->config.rmode & 0xff) >= RXMODE_RFMON)
6225 reset = 1;
6226
6227 switch(*uwrq) {
6228 case IW_MODE_ADHOC:
6229 local->config.opmode &= 0xFF00;
6230 local->config.opmode |= MODE_STA_IBSS;
6231 local->config.rmode &= 0xfe00;
6232 local->config.scanMode = SCANMODE_ACTIVE;
6233 clear_bit (FLAG_802_11, &local->flags);
6234 break;
6235 case IW_MODE_INFRA:
6236 local->config.opmode &= 0xFF00;
6237 local->config.opmode |= MODE_STA_ESS;
6238 local->config.rmode &= 0xfe00;
6239 local->config.scanMode = SCANMODE_ACTIVE;
6240 clear_bit (FLAG_802_11, &local->flags);
6241 break;
6242 case IW_MODE_MASTER:
6243 local->config.opmode &= 0xFF00;
6244 local->config.opmode |= MODE_AP;
6245 local->config.rmode &= 0xfe00;
6246 local->config.scanMode = SCANMODE_ACTIVE;
6247 clear_bit (FLAG_802_11, &local->flags);
6248 break;
6249 case IW_MODE_REPEAT:
6250 local->config.opmode &= 0xFF00;
6251 local->config.opmode |= MODE_AP_RPTR;
6252 local->config.rmode &= 0xfe00;
6253 local->config.scanMode = SCANMODE_ACTIVE;
6254 clear_bit (FLAG_802_11, &local->flags);
6255 break;
6256 case IW_MODE_MONITOR:
6257 local->config.opmode &= 0xFF00;
6258 local->config.opmode |= MODE_STA_ESS;
6259 local->config.rmode &= 0xfe00;
6260 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6261 local->config.scanMode = SCANMODE_PASSIVE;
6262 set_bit (FLAG_802_11, &local->flags);
6263 break;
6264 default:
6265 return -EINVAL;
6266 }
6267 if (reset)
6268 set_bit (FLAG_RESET, &local->flags);
6269 set_bit (FLAG_COMMIT, &local->flags);
6270
6271 return -EINPROGRESS; /* Call commit handler */
6272}
6273
6274/*------------------------------------------------------------------*/
6275/*
6276 * Wireless Handler : get Mode of Operation
6277 */
6278static int airo_get_mode(struct net_device *dev,
6279 struct iw_request_info *info,
6280 __u32 *uwrq,
6281 char *extra)
6282{
6283 struct airo_info *local = dev->priv;
6284
6285 readConfigRid(local, 1);
6286 /* If not managed, assume it's ad-hoc */
6287 switch (local->config.opmode & 0xFF) {
6288 case MODE_STA_ESS:
6289 *uwrq = IW_MODE_INFRA;
6290 break;
6291 case MODE_AP:
6292 *uwrq = IW_MODE_MASTER;
6293 break;
6294 case MODE_AP_RPTR:
6295 *uwrq = IW_MODE_REPEAT;
6296 break;
6297 default:
6298 *uwrq = IW_MODE_ADHOC;
6299 }
6300
6301 return 0;
6302}
6303
6304/*------------------------------------------------------------------*/
6305/*
6306 * Wireless Handler : set Encryption Key
6307 */
6308static int airo_set_encode(struct net_device *dev,
6309 struct iw_request_info *info,
6310 struct iw_point *dwrq,
6311 char *extra)
6312{
6313 struct airo_info *local = dev->priv;
6314 CapabilityRid cap_rid; /* Card capability info */
f89b2321
DS		 6315 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6316 u16 currentAuthType = local->config.authType;
1da177e4
LT		 6317
6318 /* Is WEP supported ? */
6319 readCapabilityRid(local, &cap_rid, 1);
6320 /* Older firmware doesn't support this...
6321 if(!(cap_rid.softCap & 2)) {
6322 return -EOPNOTSUPP;
6323 } */
6324 readConfigRid(local, 1);
6325
6326 /* Basic checking: do we have a key to set ?
6327 * Note : with the new API, it's impossible to get a NULL pointer.
6328 * Therefore, we need to check a key size == 0 instead.
6329 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6330 * when no key is present (only change flags), but older versions
6331 * don't do it. - Jean II */
6332 if (dwrq->length > 0) {
6333 wep_key_t key;
6334 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6335 int current_index = get_wep_key(local, 0xffff);
6336 /* Check the size of the key */
6337 if (dwrq->length > MAX_KEY_SIZE) {
6338 return -EINVAL;
6339 }
6340 /* Check the index (none -> use current) */
6341 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4:1)))
6342 index = current_index;
6343 /* Set the length */
6344 if (dwrq->length > MIN_KEY_SIZE)
6345 key.len = MAX_KEY_SIZE;
6346 else
6347 if (dwrq->length > 0)
6348 key.len = MIN_KEY_SIZE;
6349 else
6350 /* Disable the key */
6351 key.len = 0;
6352 /* Check if the key is not marked as invalid */
6353 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6354 /* Cleanup */
6355 memset(key.key, 0, MAX_KEY_SIZE);
6356 /* Copy the key in the driver */
6357 memcpy(key.key, extra, dwrq->length);
6358 /* Send the key to the card */
f89b2321 6359 set_wep_key(local, index, key.key, key.len, perm, 1);
1da177e4
LT		 6360 }
6361 /* WE specify that if a valid key is set, encryption
6362 * should be enabled (user may turn it off later)
6363 * This is also how "iwconfig ethX key on" works */
6364 if((index == current_index) && (key.len > 0) &&
6365 (local->config.authType == AUTH_OPEN)) {
6366 local->config.authType = AUTH_ENCRYPT;
1da177e4
LT		 6367 }
6368 } else {
6369 /* Do we want to just set the transmit key index ? */
6370 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6371 if ((index >= 0) && (index < ((cap_rid.softCap & 0x80)?4:1))) {
f89b2321 6372 set_wep_key(local, index, NULL, 0, perm, 1);
1da177e4
LT		 6373 } else
6374 /* Don't complain if only change the mode */
6375 if(!dwrq->flags & IW_ENCODE_MODE) {
6376 return -EINVAL;
6377 }
6378 }
6379 /* Read the flags */
6380 if(dwrq->flags & IW_ENCODE_DISABLED)
6381 local->config.authType = AUTH_OPEN; // disable encryption
6382 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6383 local->config.authType = AUTH_SHAREDKEY; // Only Both
6384 if(dwrq->flags & IW_ENCODE_OPEN)
6385 local->config.authType = AUTH_ENCRYPT; // Only Wep
6386 /* Commit the changes to flags if needed */
f89b2321 6387 if (local->config.authType != currentAuthType)
1da177e4
LT		 6388 set_bit (FLAG_COMMIT, &local->flags);
6389 return -EINPROGRESS; /* Call commit handler */
6390}
6391
6392/*------------------------------------------------------------------*/
6393/*
6394 * Wireless Handler : get Encryption Key
6395 */
6396static int airo_get_encode(struct net_device *dev,
6397 struct iw_request_info *info,
6398 struct iw_point *dwrq,
6399 char *extra)
6400{
6401 struct airo_info *local = dev->priv;
6402 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6403 CapabilityRid cap_rid; /* Card capability info */
6404
6405 /* Is it supported ? */
6406 readCapabilityRid(local, &cap_rid, 1);
6407 if(!(cap_rid.softCap & 2)) {
6408 return -EOPNOTSUPP;
6409 }
6410 readConfigRid(local, 1);
6411 /* Check encryption mode */
6412 switch(local->config.authType) {
6413 case AUTH_ENCRYPT:
6414 dwrq->flags = IW_ENCODE_OPEN;
6415 break;
6416 case AUTH_SHAREDKEY:
6417 dwrq->flags = IW_ENCODE_RESTRICTED;
6418 break;
6419 default:
6420 case AUTH_OPEN:
6421 dwrq->flags = IW_ENCODE_DISABLED;
6422 break;
6423 }
6424 /* We can't return the key, so set the proper flag and return zero */
6425 dwrq->flags |= IW_ENCODE_NOKEY;
6426 memset(extra, 0, 16);
6427
6428 /* Which key do we want ? -1 -> tx index */
6429 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4 : 1)))
6430 index = get_wep_key(local, 0xffff);
6431 dwrq->flags |= index + 1;
6432 /* Copy the key to the user buffer */
6433 dwrq->length = get_wep_key(local, index);
6434 if (dwrq->length > 16) {
6435 dwrq->length=0;
6436 }
6437 return 0;
6438}
6439
4be757dd
DW		 6440/*------------------------------------------------------------------*/
6441/*
6442 * Wireless Handler : set extended Encryption parameters
6443 */
6444static int airo_set_encodeext(struct net_device *dev,
6445 struct iw_request_info *info,
6446 union iwreq_data *wrqu,
6447 char *extra)
6448{
6449 struct airo_info *local = dev->priv;
6450 struct iw_point *encoding = &wrqu->encoding;
6451 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6452 CapabilityRid cap_rid; /* Card capability info */
6453 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6454 u16 currentAuthType = local->config.authType;
22d8846e 6455 int idx, key_len, alg = ext->alg, set_key = 1;
4be757dd
DW		 6456 wep_key_t key;
6457
6458 /* Is WEP supported ? */
6459 readCapabilityRid(local, &cap_rid, 1);
6460 /* Older firmware doesn't support this...
6461 if(!(cap_rid.softCap & 2)) {
6462 return -EOPNOTSUPP;
6463 } */
6464 readConfigRid(local, 1);
6465
6466 /* Determine and validate the key index */
6467 idx = encoding->flags & IW_ENCODE_INDEX;
6468 if (idx) {
6469 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6470 return -EINVAL;
6471 idx--;
6472 } else
6473 idx = get_wep_key(local, 0xffff);
6474
6475 if (encoding->flags & IW_ENCODE_DISABLED)
6476 alg = IW_ENCODE_ALG_NONE;
6477
4be757dd 6478 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
22d8846e
DW		 6479 /* Only set transmit key index here, actual
6480 * key is set below if needed.
6481 */
4be757dd 6482 set_wep_key(local, idx, NULL, 0, perm, 1);
22d8846e
DW		 6483 set_key = ext->key_len > 0 ? 1 : 0;
6484 }
6485
6486 if (set_key) {
4be757dd
DW		 6487 /* Set the requested key first */
6488 memset(key.key, 0, MAX_KEY_SIZE);
6489 switch (alg) {
6490 case IW_ENCODE_ALG_NONE:
6491 key.len = 0;
6492 break;
6493 case IW_ENCODE_ALG_WEP:
6494 if (ext->key_len > MIN_KEY_SIZE) {
6495 key.len = MAX_KEY_SIZE;
6496 } else if (ext->key_len > 0) {
6497 key.len = MIN_KEY_SIZE;
6498 } else {
6499 return -EINVAL;
6500 }
6501 key_len = min (ext->key_len, key.len);
6502 memcpy(key.key, ext->key, key_len);
6503 break;
6504 default:
6505 return -EINVAL;
6506 }
6507 /* Send the key to the card */
6508 set_wep_key(local, idx, key.key, key.len, perm, 1);
6509 }
6510
6511 /* Read the flags */
6512 if(encoding->flags & IW_ENCODE_DISABLED)
6513 local->config.authType = AUTH_OPEN; // disable encryption
6514 if(encoding->flags & IW_ENCODE_RESTRICTED)
6515 local->config.authType = AUTH_SHAREDKEY; // Only Both
6516 if(encoding->flags & IW_ENCODE_OPEN)
6517 local->config.authType = AUTH_ENCRYPT; // Only Wep
6518 /* Commit the changes to flags if needed */
6519 if (local->config.authType != currentAuthType)
6520 set_bit (FLAG_COMMIT, &local->flags);
6521
6522 return -EINPROGRESS;
6523}
6524
6525
6526/*------------------------------------------------------------------*/
6527/*
6528 * Wireless Handler : get extended Encryption parameters
6529 */
6530static int airo_get_encodeext(struct net_device *dev,
6531 struct iw_request_info *info,
6532 union iwreq_data *wrqu,
6533 char *extra)
6534{
6535 struct airo_info *local = dev->priv;
6536 struct iw_point *encoding = &wrqu->encoding;
6537 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6538 CapabilityRid cap_rid; /* Card capability info */
6539 int idx, max_key_len;
6540
6541 /* Is it supported ? */
6542 readCapabilityRid(local, &cap_rid, 1);
6543 if(!(cap_rid.softCap & 2)) {
6544 return -EOPNOTSUPP;
6545 }
6546 readConfigRid(local, 1);
6547
6548 max_key_len = encoding->length - sizeof(*ext);
6549 if (max_key_len < 0)
6550 return -EINVAL;
6551
6552 idx = encoding->flags & IW_ENCODE_INDEX;
6553 if (idx) {
6554 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6555 return -EINVAL;
6556 idx--;
6557 } else
6558 idx = get_wep_key(local, 0xffff);
6559
6560 encoding->flags = idx + 1;
6561 memset(ext, 0, sizeof(*ext));
6562
6563 /* Check encryption mode */
6564 switch(local->config.authType) {
6565 case AUTH_ENCRYPT:
6566 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6567 break;
6568 case AUTH_SHAREDKEY:
6569 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6570 break;
6571 default:
6572 case AUTH_OPEN:
6573 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6574 break;
6575 }
6576 /* We can't return the key, so set the proper flag and return zero */
6577 encoding->flags |= IW_ENCODE_NOKEY;
6578 memset(extra, 0, 16);
6579
6580 /* Copy the key to the user buffer */
6581 ext->key_len = get_wep_key(local, idx);
6582 if (ext->key_len > 16) {
6583 ext->key_len=0;
6584 }
6585
6586 return 0;
6587}
6588
6589
6590/*------------------------------------------------------------------*/
6591/*
6592 * Wireless Handler : set extended authentication parameters
6593 */
6594static int airo_set_auth(struct net_device *dev,
6595 struct iw_request_info *info,
6596 union iwreq_data *wrqu, char *extra)
6597{
6598 struct airo_info *local = dev->priv;
6599 struct iw_param *param = &wrqu->param;
6600 u16 currentAuthType = local->config.authType;
6601
6602 switch (param->flags & IW_AUTH_INDEX) {
6603 case IW_AUTH_WPA_VERSION:
6604 case IW_AUTH_CIPHER_PAIRWISE:
6605 case IW_AUTH_CIPHER_GROUP:
6606 case IW_AUTH_KEY_MGMT:
6607 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6608 case IW_AUTH_PRIVACY_INVOKED:
6609 /*
6610 * airo does not use these parameters
6611 */
6612 break;
6613
6614 case IW_AUTH_DROP_UNENCRYPTED:
6615 if (param->value) {
6616 /* Only change auth type if unencrypted */
6617 if (currentAuthType == AUTH_OPEN)
6618 local->config.authType = AUTH_ENCRYPT;
6619 } else {
6620 local->config.authType = AUTH_OPEN;
6621 }
6622
6623 /* Commit the changes to flags if needed */
6624 if (local->config.authType != currentAuthType)
6625 set_bit (FLAG_COMMIT, &local->flags);
6626 break;
6627
6628 case IW_AUTH_80211_AUTH_ALG: {
6629 /* FIXME: What about AUTH_OPEN? This API seems to
6630 * disallow setting our auth to AUTH_OPEN.
6631 */
6632 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6633 local->config.authType = AUTH_SHAREDKEY;
6634 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6635 local->config.authType = AUTH_ENCRYPT;
6636 } else
6637 return -EINVAL;
6638 break;
6639
6640 /* Commit the changes to flags if needed */
6641 if (local->config.authType != currentAuthType)
6642 set_bit (FLAG_COMMIT, &local->flags);
6643 }
6644
6645 case IW_AUTH_WPA_ENABLED:
6646 /* Silently accept disable of WPA */
6647 if (param->value > 0)
6648 return -EOPNOTSUPP;
6649 break;
6650
6651 default:
6652 return -EOPNOTSUPP;
6653 }
6654 return -EINPROGRESS;
6655}
6656
6657
6658/*------------------------------------------------------------------*/
6659/*
6660 * Wireless Handler : get extended authentication parameters
6661 */
6662static int airo_get_auth(struct net_device *dev,
6663 struct iw_request_info *info,
6664 union iwreq_data *wrqu, char *extra)
6665{
6666 struct airo_info *local = dev->priv;
6667 struct iw_param *param = &wrqu->param;
6668 u16 currentAuthType = local->config.authType;
6669
6670 switch (param->flags & IW_AUTH_INDEX) {
6671 case IW_AUTH_DROP_UNENCRYPTED:
6672 switch (currentAuthType) {
6673 case AUTH_SHAREDKEY:
6674 case AUTH_ENCRYPT:
6675 param->value = 1;
6676 break;
6677 default:
6678 param->value = 0;
6679 break;
6680 }
6681 break;
6682
6683 case IW_AUTH_80211_AUTH_ALG:
6684 switch (currentAuthType) {
6685 case AUTH_SHAREDKEY:
6686 param->value = IW_AUTH_ALG_SHARED_KEY;
6687 break;
6688 case AUTH_ENCRYPT:
6689 default:
6690 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6691 break;
6692 }
6693 break;
6694
6695 case IW_AUTH_WPA_ENABLED:
6696 param->value = 0;
6697 break;
6698
6699 default:
6700 return -EOPNOTSUPP;
6701 }
6702 return 0;
6703}
6704
6705
1da177e4
LT		 6706/*------------------------------------------------------------------*/
6707/*
6708 * Wireless Handler : set Tx-Power
6709 */
6710static int airo_set_txpow(struct net_device *dev,
6711 struct iw_request_info *info,
6712 struct iw_param *vwrq,
6713 char *extra)
6714{
6715 struct airo_info *local = dev->priv;
6716 CapabilityRid cap_rid; /* Card capability info */
6717 int i;
6718 int rc = -EINVAL;
6719
6720 readCapabilityRid(local, &cap_rid, 1);
6721
6722 if (vwrq->disabled) {
6723 set_bit (FLAG_RADIO_OFF, &local->flags);
6724 set_bit (FLAG_COMMIT, &local->flags);
6725 return -EINPROGRESS; /* Call commit handler */
6726 }
6727 if (vwrq->flags != IW_TXPOW_MWATT) {
6728 return -EINVAL;
6729 }
6730 clear_bit (FLAG_RADIO_OFF, &local->flags);
6731 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6732 if ((vwrq->value==cap_rid.txPowerLevels[i])) {
6733 readConfigRid(local, 1);
6734 local->config.txPower = vwrq->value;
6735 set_bit (FLAG_COMMIT, &local->flags);
6736 rc = -EINPROGRESS; /* Call commit handler */
6737 break;
6738 }
6739 return rc;
6740}
6741
6742/*------------------------------------------------------------------*/
6743/*
6744 * Wireless Handler : get Tx-Power
6745 */
6746static int airo_get_txpow(struct net_device *dev,
6747 struct iw_request_info *info,
6748 struct iw_param *vwrq,
6749 char *extra)
6750{
6751 struct airo_info *local = dev->priv;
6752
6753 readConfigRid(local, 1);
6754 vwrq->value = local->config.txPower;
6755 vwrq->fixed = 1; /* No power control */
6756 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6757 vwrq->flags = IW_TXPOW_MWATT;
6758
6759 return 0;
6760}
6761
6762/*------------------------------------------------------------------*/
6763/*
6764 * Wireless Handler : set Retry limits
6765 */
6766static int airo_set_retry(struct net_device *dev,
6767 struct iw_request_info *info,
6768 struct iw_param *vwrq,
6769 char *extra)
6770{
6771 struct airo_info *local = dev->priv;
6772 int rc = -EINVAL;
6773
6774 if(vwrq->disabled) {
6775 return -EINVAL;
6776 }
6777 readConfigRid(local, 1);
6778 if(vwrq->flags & IW_RETRY_LIMIT) {
6779 if(vwrq->flags & IW_RETRY_MAX)
6780 local->config.longRetryLimit = vwrq->value;
6781 else if (vwrq->flags & IW_RETRY_MIN)
6782 local->config.shortRetryLimit = vwrq->value;
6783 else {
6784 /* No modifier : set both */
6785 local->config.longRetryLimit = vwrq->value;
6786 local->config.shortRetryLimit = vwrq->value;
6787 }
6788 set_bit (FLAG_COMMIT, &local->flags);
6789 rc = -EINPROGRESS; /* Call commit handler */
6790 }
6791 if(vwrq->flags & IW_RETRY_LIFETIME) {
6792 local->config.txLifetime = vwrq->value / 1024;
6793 set_bit (FLAG_COMMIT, &local->flags);
6794 rc = -EINPROGRESS; /* Call commit handler */
6795 }
6796 return rc;
6797}
6798
6799/*------------------------------------------------------------------*/
6800/*
6801 * Wireless Handler : get Retry limits
6802 */
6803static int airo_get_retry(struct net_device *dev,
6804 struct iw_request_info *info,
6805 struct iw_param *vwrq,
6806 char *extra)
6807{
6808 struct airo_info *local = dev->priv;
6809
6810 vwrq->disabled = 0; /* Can't be disabled */
6811
6812 readConfigRid(local, 1);
6813 /* Note : by default, display the min retry number */
6814 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6815 vwrq->flags = IW_RETRY_LIFETIME;
6816 vwrq->value = (int)local->config.txLifetime * 1024;
6817 } else if((vwrq->flags & IW_RETRY_MAX)) {
6818 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
6819 vwrq->value = (int)local->config.longRetryLimit;
6820 } else {
6821 vwrq->flags = IW_RETRY_LIMIT;
6822 vwrq->value = (int)local->config.shortRetryLimit;
6823 if((int)local->config.shortRetryLimit != (int)local->config.longRetryLimit)
6824 vwrq->flags |= IW_RETRY_MIN;
6825 }
6826
6827 return 0;
6828}
6829
6830/*------------------------------------------------------------------*/
6831/*
6832 * Wireless Handler : get range info
6833 */
6834static int airo_get_range(struct net_device *dev,
6835 struct iw_request_info *info,
6836 struct iw_point *dwrq,
6837 char *extra)
6838{
6839 struct airo_info *local = dev->priv;
6840 struct iw_range *range = (struct iw_range *) extra;
6841 CapabilityRid cap_rid; /* Card capability info */
6842 int i;
6843 int k;
6844
6845 readCapabilityRid(local, &cap_rid, 1);
6846
6847 dwrq->length = sizeof(struct iw_range);
6848 memset(range, 0, sizeof(*range));
6849 range->min_nwid = 0x0000;
6850 range->max_nwid = 0x0000;
6851 range->num_channels = 14;
6852 /* Should be based on cap_rid.country to give only
6853 * what the current card support */
6854 k = 0;
6855 for(i = 0; i < 14; i++) {
6856 range->freq[k].i = i + 1; /* List index */
6857 range->freq[k].m = frequency_list[i] * 100000;
6858 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6859 }
6860 range->num_frequency = k;
6861
41480af2
DW		 6862 range->sensitivity = 65535;
6863
1da177e4 6864 /* Hum... Should put the right values there */
41480af2
DW		 6865 if (local->rssi)
6866 range->max_qual.qual = 100; /* % */
6867 else
6868 range->max_qual.qual = airo_get_max_quality(&cap_rid);
ce6623c3
JT		 6869 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6870 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
41480af2
DW		 6871
6872 /* Experimental measurements - boundary 11/5.5 Mb/s */
6873 /* Note : with or without the (local->rssi), results
6874 * are somewhat different. - Jean II */
6875 if (local->rssi) {
ce6623c3
JT		 6876 range->avg_qual.qual = 50; /* % */
6877 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
41480af2
DW		 6878 } else {
6879 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
ce6623c3 6880 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
41480af2 6881 }
ce6623c3 6882 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
1da177e4
LT		 6883
6884 for(i = 0 ; i < 8 ; i++) {
6885 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6886 if(range->bitrate[i] == 0)
6887 break;
6888 }
6889 range->num_bitrates = i;
6890
6891 /* Set an indication of the max TCP throughput
6892 * in bit/s that we can expect using this interface.
6893 * May be use for QoS stuff... Jean II */
6894 if(i > 2)
6895 range->throughput = 5000 * 1000;
6896 else
6897 range->throughput = 1500 * 1000;
6898
6899 range->min_rts = 0;
15db2763 6900 range->max_rts = AIRO_DEF_MTU;
1da177e4 6901 range->min_frag = 256;
15db2763 6902 range->max_frag = AIRO_DEF_MTU;
1da177e4
LT		 6903
6904 if(cap_rid.softCap & 2) {
6905 // WEP: RC4 40 bits
6906 range->encoding_size[0] = 5;
6907 // RC4 ~128 bits
6908 if (cap_rid.softCap & 0x100) {
6909 range->encoding_size[1] = 13;
6910 range->num_encoding_sizes = 2;
6911 } else
6912 range->num_encoding_sizes = 1;
6913 range->max_encoding_tokens = (cap_rid.softCap & 0x80) ? 4 : 1;
6914 } else {
6915 range->num_encoding_sizes = 0;
6916 range->max_encoding_tokens = 0;
6917 }
6918 range->min_pmp = 0;
6919 range->max_pmp = 5000000; /* 5 secs */
6920 range->min_pmt = 0;
6921 range->max_pmt = 65535 * 1024; /* ??? */
6922 range->pmp_flags = IW_POWER_PERIOD;
6923 range->pmt_flags = IW_POWER_TIMEOUT;
6924 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6925
6926 /* Transmit Power - values are in mW */
6927 for(i = 0 ; i < 8 ; i++) {
6928 range->txpower[i] = cap_rid.txPowerLevels[i];
6929 if(range->txpower[i] == 0)
6930 break;
6931 }
6932 range->num_txpower = i;
6933 range->txpower_capa = IW_TXPOW_MWATT;
3c304956 6934 range->we_version_source = 19;
1da177e4
LT		 6935 range->we_version_compiled = WIRELESS_EXT;
6936 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6937 range->retry_flags = IW_RETRY_LIMIT;
6938 range->r_time_flags = IW_RETRY_LIFETIME;
6939 range->min_retry = 1;
6940 range->max_retry = 65535;
6941 range->min_r_time = 1024;
6942 range->max_r_time = 65535 * 1024;
1da177e4
LT		 6943
6944 /* Event capability (kernel + driver) */
6945 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6946 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6947 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6948 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6949 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6950 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6951 return 0;
6952}
6953
6954/*------------------------------------------------------------------*/
6955/*
6956 * Wireless Handler : set Power Management
6957 */
6958static int airo_set_power(struct net_device *dev,
6959 struct iw_request_info *info,
6960 struct iw_param *vwrq,
6961 char *extra)
6962{
6963 struct airo_info *local = dev->priv;
6964
6965 readConfigRid(local, 1);
6966 if (vwrq->disabled) {
6967 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6968 return -EINVAL;
6969 }
6970 local->config.powerSaveMode = POWERSAVE_CAM;
6971 local->config.rmode &= 0xFF00;
6972 local->config.rmode |= RXMODE_BC_MC_ADDR;
6973 set_bit (FLAG_COMMIT, &local->flags);
6974 return -EINPROGRESS; /* Call commit handler */
6975 }
6976 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6977 local->config.fastListenDelay = (vwrq->value + 500) / 1024;
6978 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6979 set_bit (FLAG_COMMIT, &local->flags);
6980 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
6981 local->config.fastListenInterval = local->config.listenInterval = (vwrq->value + 500) / 1024;
6982 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6983 set_bit (FLAG_COMMIT, &local->flags);
6984 }
6985 switch (vwrq->flags & IW_POWER_MODE) {
6986 case IW_POWER_UNICAST_R:
6987 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6988 return -EINVAL;
6989 }
6990 local->config.rmode &= 0xFF00;
6991 local->config.rmode |= RXMODE_ADDR;
6992 set_bit (FLAG_COMMIT, &local->flags);
6993 break;
6994 case IW_POWER_ALL_R:
6995 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6996 return -EINVAL;
6997 }
6998 local->config.rmode &= 0xFF00;
6999 local->config.rmode |= RXMODE_BC_MC_ADDR;
7000 set_bit (FLAG_COMMIT, &local->flags);
7001 case IW_POWER_ON:
7002 break;
7003 default:
7004 return -EINVAL;
7005 }
7006 // Note : we may want to factor local->need_commit here
7007 // Note2 : may also want to factor RXMODE_RFMON test
7008 return -EINPROGRESS; /* Call commit handler */
7009}
7010
7011/*------------------------------------------------------------------*/
7012/*
7013 * Wireless Handler : get Power Management
7014 */
7015static int airo_get_power(struct net_device *dev,
7016 struct iw_request_info *info,
7017 struct iw_param *vwrq,
7018 char *extra)
7019{
7020 struct airo_info *local = dev->priv;
7021 int mode;
7022
7023 readConfigRid(local, 1);
7024 mode = local->config.powerSaveMode;
7025 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7026 return 0;
7027 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7028 vwrq->value = (int)local->config.fastListenDelay * 1024;
7029 vwrq->flags = IW_POWER_TIMEOUT;
7030 } else {
7031 vwrq->value = (int)local->config.fastListenInterval * 1024;
7032 vwrq->flags = IW_POWER_PERIOD;
7033 }
7034 if ((local->config.rmode & 0xFF) == RXMODE_ADDR)
7035 vwrq->flags |= IW_POWER_UNICAST_R;
7036 else
7037 vwrq->flags |= IW_POWER_ALL_R;
7038
7039 return 0;
7040}
7041
7042/*------------------------------------------------------------------*/
7043/*
7044 * Wireless Handler : set Sensitivity
7045 */
7046static int airo_set_sens(struct net_device *dev,
7047 struct iw_request_info *info,
7048 struct iw_param *vwrq,
7049 char *extra)
7050{
7051 struct airo_info *local = dev->priv;
7052
7053 readConfigRid(local, 1);
7054 local->config.rssiThreshold = vwrq->disabled ? RSSI_DEFAULT : vwrq->value;
7055 set_bit (FLAG_COMMIT, &local->flags);
7056
7057 return -EINPROGRESS; /* Call commit handler */
7058}
7059
7060/*------------------------------------------------------------------*/
7061/*
7062 * Wireless Handler : get Sensitivity
7063 */
7064static int airo_get_sens(struct net_device *dev,
7065 struct iw_request_info *info,
7066 struct iw_param *vwrq,
7067 char *extra)
7068{
7069 struct airo_info *local = dev->priv;
7070
7071 readConfigRid(local, 1);
7072 vwrq->value = local->config.rssiThreshold;
7073 vwrq->disabled = (vwrq->value == 0);
7074 vwrq->fixed = 1;
7075
7076 return 0;
7077}
7078
7079/*------------------------------------------------------------------*/
7080/*
7081 * Wireless Handler : get AP List
7082 * Note : this is deprecated in favor of IWSCAN
7083 */
7084static int airo_get_aplist(struct net_device *dev,
7085 struct iw_request_info *info,
7086 struct iw_point *dwrq,
7087 char *extra)
7088{
7089 struct airo_info *local = dev->priv;
7090 struct sockaddr *address = (struct sockaddr *) extra;
7091 struct iw_quality qual[IW_MAX_AP];
7092 BSSListRid BSSList;
7093 int i;
7094 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7095
7096 for (i = 0; i < IW_MAX_AP; i++) {
7097 if (readBSSListRid(local, loseSync, &BSSList))
7098 break;
7099 loseSync = 0;
7100 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7101 address[i].sa_family = ARPHRD_ETHER;
41480af2
DW		 7102 if (local->rssi) {
7103 qual[i].level = 0x100 - BSSList.dBm;
7104 qual[i].qual = airo_dbm_to_pct( local->rssi, BSSList.dBm );
ce6623c3
JT		 7105 qual[i].updated = IW_QUAL_QUAL_UPDATED
7106 | IW_QUAL_LEVEL_UPDATED
7107 | IW_QUAL_DBM;
41480af2
DW		 7108 } else {
7109 qual[i].level = (BSSList.dBm + 321) / 2;
7110 qual[i].qual = 0;
ce6623c3
JT		 7111 qual[i].updated = IW_QUAL_QUAL_INVALID
7112 | IW_QUAL_LEVEL_UPDATED
7113 | IW_QUAL_DBM;
41480af2
DW		 7114 }
7115 qual[i].noise = local->wstats.qual.noise;
1da177e4
LT		 7116 if (BSSList.index == 0xffff)
7117 break;
7118 }
7119 if (!i) {
7120 StatusRid status_rid; /* Card status info */
7121 readStatusRid(local, &status_rid, 1);
7122 for (i = 0;
7123 i < min(IW_MAX_AP, 4) &&
7124 (status_rid.bssid[i][0]
7125 & status_rid.bssid[i][1]
7126 & status_rid.bssid[i][2]
7127 & status_rid.bssid[i][3]
7128 & status_rid.bssid[i][4]
7129 & status_rid.bssid[i][5])!=0xff &&
7130 (status_rid.bssid[i][0]
7131 | status_rid.bssid[i][1]
7132 | status_rid.bssid[i][2]
7133 | status_rid.bssid[i][3]
7134 | status_rid.bssid[i][4]
7135 | status_rid.bssid[i][5]);
7136 i++) {
7137 memcpy(address[i].sa_data,
7138 status_rid.bssid[i], ETH_ALEN);
7139 address[i].sa_family = ARPHRD_ETHER;
7140 }
7141 } else {
7142 dwrq->flags = 1; /* Should be define'd */
7143 memcpy(extra + sizeof(struct sockaddr)*i,
7144 &qual, sizeof(struct iw_quality)*i);
7145 }
7146 dwrq->length = i;
7147
7148 return 0;
7149}
7150
7151/*------------------------------------------------------------------*/
7152/*
7153 * Wireless Handler : Initiate Scan
7154 */
7155static int airo_set_scan(struct net_device *dev,
7156 struct iw_request_info *info,
7157 struct iw_param *vwrq,
7158 char *extra)
7159{
7160 struct airo_info *ai = dev->priv;
7161 Cmd cmd;
7162 Resp rsp;
9e75af30 7163 int wake = 0;
1da177e4
LT		 7164
7165 /* Note : you may have realised that, as this is a SET operation,
7166 * this is privileged and therefore a normal user can't
7167 * perform scanning.
7168 * This is not an error, while the device perform scanning,
7169 * traffic doesn't flow, so it's a perfect DoS...
7170 * Jean II */
7171 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7172
9e75af30
DW		 7173 if (down_interruptible(&ai->sem))
7174 return -ERESTARTSYS;
7175
7176 /* If there's already a scan in progress, don't
7177 * trigger another one. */
7178 if (ai->scan_timeout > 0)
7179 goto out;
7180
1da177e4 7181 /* Initiate a scan command */
6fcdf565 7182 ai->scan_timeout = RUN_AT(3*HZ);
1da177e4
LT		 7183 memset(&cmd, 0, sizeof(cmd));
7184 cmd.cmd=CMD_LISTBSS;
1da177e4 7185 issuecommand(ai, &cmd, &rsp);
9e75af30 7186 wake = 1;
1da177e4 7187
9e75af30
DW		 7188out:
7189 up(&ai->sem);
7190 if (wake)
7191 wake_up_interruptible(&ai->thr_wait);
1da177e4
LT		 7192 return 0;
7193}
7194
7195/*------------------------------------------------------------------*/
7196/*
7197 * Translate scan data returned from the card to a card independent
7198 * format that the Wireless Tools will understand - Jean II
7199 */
7200static inline char *airo_translate_scan(struct net_device *dev,
7201 char *current_ev,
7202 char *end_buf,
41480af2 7203 BSSListRid *bss)
1da177e4
LT		 7204{
7205 struct airo_info *ai = dev->priv;
7206 struct iw_event iwe; /* Temporary buffer */
7207 u16 capabilities;
7208 char * current_val; /* For rates */
7209 int i;
3c304956 7210 char * buf;
1da177e4
LT		 7211
7212 /* First entry *MUST* be the AP MAC address */
7213 iwe.cmd = SIOCGIWAP;
7214 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
41480af2 7215 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
1da177e4
LT		 7216 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
7217
7218 /* Other entries will be displayed in the order we give them */
7219
7220 /* Add the ESSID */
41480af2 7221 iwe.u.data.length = bss->ssidLen;
1da177e4
LT		 7222 if(iwe.u.data.length > 32)
7223 iwe.u.data.length = 32;
7224 iwe.cmd = SIOCGIWESSID;
7225 iwe.u.data.flags = 1;
41480af2 7226 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
1da177e4
LT		 7227
7228 /* Add mode */
7229 iwe.cmd = SIOCGIWMODE;
41480af2 7230 capabilities = le16_to_cpu(bss->cap);
1da177e4
LT		 7231 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7232 if(capabilities & CAP_ESS)
7233 iwe.u.mode = IW_MODE_MASTER;
7234 else
7235 iwe.u.mode = IW_MODE_ADHOC;
7236 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
7237 }
7238
7239 /* Add frequency */
7240 iwe.cmd = SIOCGIWFREQ;
41480af2 7241 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
1141455d 7242 /* iwe.u.freq.m containt the channel (starting 1), our
7243 * frequency_list array start at index 0...
7244 */
7245 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
1da177e4
LT		 7246 iwe.u.freq.e = 1;
7247 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
7248
7249 /* Add quality statistics */
7250 iwe.cmd = IWEVQUAL;
41480af2
DW		 7251 if (ai->rssi) {
7252 iwe.u.qual.level = 0x100 - bss->dBm;
7253 iwe.u.qual.qual = airo_dbm_to_pct( ai->rssi, bss->dBm );
ce6623c3
JT		 7254 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7255 | IW_QUAL_LEVEL_UPDATED
7256 | IW_QUAL_DBM;
41480af2
DW		 7257 } else {
7258 iwe.u.qual.level = (bss->dBm + 321) / 2;
7259 iwe.u.qual.qual = 0;
bbeec90b 7260 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
ce6623c3
JT		 7261 | IW_QUAL_LEVEL_UPDATED
7262 | IW_QUAL_DBM;
41480af2
DW		 7263 }
7264 iwe.u.qual.noise = ai->wstats.qual.noise;
1da177e4
LT		 7265 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
7266
7267 /* Add encryption capability */
7268 iwe.cmd = SIOCGIWENCODE;
7269 if(capabilities & CAP_PRIVACY)
7270 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7271 else
7272 iwe.u.data.flags = IW_ENCODE_DISABLED;
7273 iwe.u.data.length = 0;
41480af2 7274 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
1da177e4
LT		 7275
7276 /* Rate : stuffing multiple values in a single event require a bit
7277 * more of magic - Jean II */
7278 current_val = current_ev + IW_EV_LCP_LEN;
7279
7280 iwe.cmd = SIOCGIWRATE;
7281 /* Those two flags are ignored... */
7282 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7283 /* Max 8 values */
7284 for(i = 0 ; i < 8 ; i++) {
7285 /* NULL terminated */
41480af2 7286 if(bss->rates[i] == 0)
1da177e4
LT		 7287 break;
7288 /* Bit rate given in 500 kb/s units (+ 0x80) */
41480af2 7289 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
1da177e4
LT		 7290 /* Add new value to event */
7291 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
7292 }
7293 /* Check if we added any event */
7294 if((current_val - current_ev) > IW_EV_LCP_LEN)
7295 current_ev = current_val;
7296
3c304956
DW		 7297 /* Beacon interval */
7298 buf = kmalloc(30, GFP_KERNEL);
7299 if (buf) {
7300 iwe.cmd = IWEVCUSTOM;
7301 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7302 iwe.u.data.length = strlen(buf);
7303 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, buf);
7304 kfree(buf);
7305 }
7306
7307 /* Put WPA/RSN Information Elements into the event stream */
7308 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7309 unsigned int num_null_ies = 0;
7310 u16 length = sizeof (bss->extra.iep);
7311 struct ieee80211_info_element *info_element =
7312 (struct ieee80211_info_element *) &bss->extra.iep;
7313
7314 while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) {
7315 if (sizeof(*info_element) + info_element->len > length) {
7316 /* Invalid element, don't continue parsing IE */
7317 break;
7318 }
7319
7320 switch (info_element->id) {
7321 case MFIE_TYPE_SSID:
7322 /* Two zero-length SSID elements
7323 * mean we're done parsing elements */
7324 if (!info_element->len)
7325 num_null_ies++;
7326 break;
7327
7328 case MFIE_TYPE_GENERIC:
7329 if (info_element->len >= 4 &&
7330 info_element->data[0] == 0x00 &&
7331 info_element->data[1] == 0x50 &&
7332 info_element->data[2] == 0xf2 &&
7333 info_element->data[3] == 0x01) {
7334 iwe.cmd = IWEVGENIE;
7335 iwe.u.data.length = min(info_element->len + 2,
7336 MAX_WPA_IE_LEN);
7337 current_ev = iwe_stream_add_point(current_ev, end_buf,
7338 &iwe, (char *) info_element);
7339 }
7340 break;
7341
7342 case MFIE_TYPE_RSN:
7343 iwe.cmd = IWEVGENIE;
7344 iwe.u.data.length = min(info_element->len + 2,
7345 MAX_WPA_IE_LEN);
7346 current_ev = iwe_stream_add_point(current_ev, end_buf,
7347 &iwe, (char *) info_element);
7348 break;
7349
7350 default:
7351 break;
7352 }
7353
7354 length -= sizeof(*info_element) + info_element->len;
7355 info_element =
7356 (struct ieee80211_info_element *)&info_element->
7357 data[info_element->len];
7358 }
7359 }
1da177e4
LT		 7360 return current_ev;
7361}
7362
7363/*------------------------------------------------------------------*/
7364/*
7365 * Wireless Handler : Read Scan Results
7366 */
7367static int airo_get_scan(struct net_device *dev,
7368 struct iw_request_info *info,
7369 struct iw_point *dwrq,
7370 char *extra)
7371{
7372 struct airo_info *ai = dev->priv;
9e75af30
DW		 7373 BSSListElement *net;
7374 int err = 0;
1da177e4
LT		 7375 char *current_ev = extra;
7376
9e75af30
DW		 7377 /* If a scan is in-progress, return -EAGAIN */
7378 if (ai->scan_timeout > 0)
1da177e4 7379 return -EAGAIN;
1da177e4 7380
9e75af30
DW		 7381 if (down_interruptible(&ai->sem))
7382 return -EAGAIN;
1da177e4 7383
9e75af30 7384 list_for_each_entry (net, &ai->network_list, list) {
1da177e4
LT		 7385 /* Translate to WE format this entry */
7386 current_ev = airo_translate_scan(dev, current_ev,
7387 extra + dwrq->length,
9e75af30 7388 &net->bss);
1da177e4
LT		 7389
7390 /* Check if there is space for one more entry */
7391 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7392 /* Ask user space to try again with a bigger buffer */
9e75af30
DW		 7393 err = -E2BIG;
7394 goto out;
1da177e4 7395 }
1da177e4 7396 }
9e75af30 7397
1da177e4
LT		 7398 /* Length of data */
7399 dwrq->length = (current_ev - extra);
7400 dwrq->flags = 0; /* todo */
7401
9e75af30
DW		 7402out:
7403 up(&ai->sem);
7404 return err;
1da177e4
LT		 7405}
7406
7407/*------------------------------------------------------------------*/
7408/*
7409 * Commit handler : called after a bunch of SET operations
7410 */
7411static int airo_config_commit(struct net_device *dev,
7412 struct iw_request_info *info, /* NULL */
7413 void *zwrq, /* NULL */
7414 char *extra) /* NULL */
7415{
7416 struct airo_info *local = dev->priv;
7417 Resp rsp;
7418
7419 if (!test_bit (FLAG_COMMIT, &local->flags))
7420 return 0;
7421
7422 /* Some of the "SET" function may have modified some of the
7423 * parameters. It's now time to commit them in the card */
7424 disable_MAC(local, 1);
7425 if (test_bit (FLAG_RESET, &local->flags)) {
7426 APListRid APList_rid;
7427 SsidRid SSID_rid;
7428
7429 readAPListRid(local, &APList_rid);
7430 readSsidRid(local, &SSID_rid);
7431 if (test_bit(FLAG_MPI,&local->flags))
7432 setup_card(local, dev->dev_addr, 1 );
7433 else
7434 reset_airo_card(dev);
7435 disable_MAC(local, 1);
7436 writeSsidRid(local, &SSID_rid, 1);
7437 writeAPListRid(local, &APList_rid, 1);
7438 }
7439 if (down_interruptible(&local->sem))
7440 return -ERESTARTSYS;
7441 writeConfigRid(local, 0);
7442 enable_MAC(local, &rsp, 0);
7443 if (test_bit (FLAG_RESET, &local->flags))
7444 airo_set_promisc(local);
7445 else
7446 up(&local->sem);
7447
7448 return 0;
7449}
7450
7451/*------------------------------------------------------------------*/
7452/*
7453 * Structures to export the Wireless Handlers
7454 */
7455
7456static const struct iw_priv_args airo_private_args[] = {
7457/*{ cmd, set_args, get_args, name } */
7458 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7459 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7460 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7461 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7462};
7463
7464static const iw_handler airo_handler[] =
7465{
7466 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7467 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7468 (iw_handler) NULL, /* SIOCSIWNWID */
7469 (iw_handler) NULL, /* SIOCGIWNWID */
7470 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7471 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7472 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7473 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7474 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7475 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7476 (iw_handler) NULL, /* SIOCSIWRANGE */
7477 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7478 (iw_handler) NULL, /* SIOCSIWPRIV */
7479 (iw_handler) NULL, /* SIOCGIWPRIV */
7480 (iw_handler) NULL, /* SIOCSIWSTATS */
7481 (iw_handler) NULL, /* SIOCGIWSTATS */
7482 iw_handler_set_spy, /* SIOCSIWSPY */
7483 iw_handler_get_spy, /* SIOCGIWSPY */
7484 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7485 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7486 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7487 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7488 (iw_handler) NULL, /* -- hole -- */
7489 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7490 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7491 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7492 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7493 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7494 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7495 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7496 (iw_handler) NULL, /* -- hole -- */
7497 (iw_handler) NULL, /* -- hole -- */
7498 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7499 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7500 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7501 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7502 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7503 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7504 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7505 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7506 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7507 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7508 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7509 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7510 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7511 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
4be757dd
DW		 7512 (iw_handler) NULL, /* -- hole -- */
7513 (iw_handler) NULL, /* -- hole -- */
7514 (iw_handler) NULL, /* SIOCSIWGENIE */
7515 (iw_handler) NULL, /* SIOCGIWGENIE */
7516 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7517 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7518 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7519 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7520 (iw_handler) NULL, /* SIOCSIWPMKSA */
1da177e4
LT		 7521};
7522
7523/* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7524 * We want to force the use of the ioctl code, because those can't be
7525 * won't work the iw_handler code (because they simultaneously read
7526 * and write data and iw_handler can't do that).
7527 * Note that it's perfectly legal to read/write on a single ioctl command,
7528 * you just can't use iwpriv and need to force it via the ioctl handler.
7529 * Jean II */
7530static const iw_handler airo_private_handler[] =
7531{
7532 NULL, /* SIOCIWFIRSTPRIV */
7533};
7534
7535static const struct iw_handler_def airo_handler_def =
7536{
7537 .num_standard = sizeof(airo_handler)/sizeof(iw_handler),
7538 .num_private = sizeof(airo_private_handler)/sizeof(iw_handler),
7539 .num_private_args = sizeof(airo_private_args)/sizeof(struct iw_priv_args),
7540 .standard = airo_handler,
7541 .private = airo_private_handler,
7542 .private_args = airo_private_args,
7543 .get_wireless_stats = airo_get_wireless_stats,
7544};
7545
1da177e4
LT		 7546/*
7547 * This defines the configuration part of the Wireless Extensions
7548 * Note : irq and spinlock protection will occur in the subroutines
7549 *
7550 * TODO :
7551 * o Check input value more carefully and fill correct values in range
7552 * o Test and shakeout the bugs (if any)
7553 *
7554 * Jean II
7555 *
7556 * Javier Achirica did a great job of merging code from the unnamed CISCO
7557 * developer that added support for flashing the card.
7558 */
7559static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7560{
7561 int rc = 0;
7562 struct airo_info *ai = (struct airo_info *)dev->priv;
7563
ca078bae 7564 if (ai->power.event)
1da177e4
LT		 7565 return 0;
7566
7567 switch (cmd) {
7568#ifdef CISCO_EXT
7569 case AIROIDIFC:
7570#ifdef AIROOLDIDIFC
7571 case AIROOLDIDIFC:
7572#endif
7573 {
7574 int val = AIROMAGIC;
7575 aironet_ioctl com;
7576 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7577 rc = -EFAULT;
7578 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7579 rc = -EFAULT;
7580 }
7581 break;
7582
7583 case AIROIOCTL:
7584#ifdef AIROOLDIOCTL
7585 case AIROOLDIOCTL:
7586#endif
7587 /* Get the command struct and hand it off for evaluation by
7588 * the proper subfunction
7589 */
7590 {
7591 aironet_ioctl com;
7592 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7593 rc = -EFAULT;
7594 break;
7595 }
7596
7597 /* Separate R/W functions bracket legality here
7598 */
7599 if ( com.command == AIRORSWVERSION ) {
7600 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7601 rc = -EFAULT;
7602 else
7603 rc = 0;
7604 }
7605 else if ( com.command <= AIRORRID)
7606 rc = readrids(dev,&com);
7607 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7608 rc = writerids(dev,&com);
7609 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7610 rc = flashcard(dev,&com);
7611 else
7612 rc = -EINVAL; /* Bad command in ioctl */
7613 }
7614 break;
7615#endif /* CISCO_EXT */
7616
7617 // All other calls are currently unsupported
7618 default:
7619 rc = -EOPNOTSUPP;
7620 }
7621 return rc;
7622}
7623
1da177e4
LT		 7624/*
7625 * Get the Wireless stats out of the driver
7626 * Note : irq and spinlock protection will occur in the subroutines
7627 *
7628 * TODO :
7629 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7630 *
7631 * Jean
7632 */
7633static void airo_read_wireless_stats(struct airo_info *local)
7634{
7635 StatusRid status_rid;
7636 StatsRid stats_rid;
7637 CapabilityRid cap_rid;
7638 u32 *vals = stats_rid.vals;
7639
7640 /* Get stats out of the card */
3c304956 7641 clear_bit(JOB_WSTATS, &local->jobs);
ca078bae 7642 if (local->power.event) {
1da177e4
LT		 7643 up(&local->sem);
7644 return;
7645 }
7646 readCapabilityRid(local, &cap_rid, 0);
7647 readStatusRid(local, &status_rid, 0);
7648 readStatsRid(local, &stats_rid, RID_STATS, 0);
7649 up(&local->sem);
7650
7651 /* The status */
7652 local->wstats.status = status_rid.mode;
7653
41480af2
DW		 7654 /* Signal quality and co */
7655 if (local->rssi) {
7656 local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
7657 /* normalizedSignalStrength appears to be a percentage */
7658 local->wstats.qual.qual = status_rid.normalizedSignalStrength;
7659 } else {
1da177e4 7660 local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
41480af2
DW		 7661 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7662 }
1da177e4 7663 if (status_rid.len >= 124) {
41480af2 7664 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
ce6623c3 7665 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
1da177e4
LT		 7666 } else {
7667 local->wstats.qual.noise = 0;
ce6623c3 7668 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
1da177e4
LT		 7669 }
7670
7671 /* Packets discarded in the wireless adapter due to wireless
7672 * specific problems */
7673 local->wstats.discard.nwid = vals[56] + vals[57] + vals[58];/* SSID Mismatch */
7674 local->wstats.discard.code = vals[6];/* RxWepErr */
7675 local->wstats.discard.fragment = vals[30];
7676 local->wstats.discard.retries = vals[10];
7677 local->wstats.discard.misc = vals[1] + vals[32];
7678 local->wstats.miss.beacon = vals[34];
7679}
7680
ff1d2767 7681static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
1da177e4
LT		 7682{
7683 struct airo_info *local = dev->priv;
7684
3c304956 7685 if (!test_bit(JOB_WSTATS, &local->jobs)) {
1da177e4
LT		 7686 /* Get stats out of the card if available */
7687 if (down_trylock(&local->sem) != 0) {
3c304956 7688 set_bit(JOB_WSTATS, &local->jobs);
1da177e4
LT		 7689 wake_up_interruptible(&local->thr_wait);
7690 } else
7691 airo_read_wireless_stats(local);
7692 }
7693
7694 return &local->wstats;
7695}
1da177e4
LT		 7696
7697#ifdef CISCO_EXT
7698/*
7699 * This just translates from driver IOCTL codes to the command codes to
7700 * feed to the radio's host interface. Things can be added/deleted
7701 * as needed. This represents the READ side of control I/O to
7702 * the card
7703 */
7704static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7705 unsigned short ridcode;
7706 unsigned char *iobuf;
7707 int len;
7708 struct airo_info *ai = dev->priv;
7709 Resp rsp;
7710
7711 if (test_bit(FLAG_FLASHING, &ai->flags))
7712 return -EIO;
7713
7714 switch(comp->command)
7715 {
7716 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7717 case AIROGCFG: ridcode = RID_CONFIG;
7718 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7719 disable_MAC (ai, 1);
7720 writeConfigRid (ai, 1);
7721 enable_MAC (ai, &rsp, 1);
7722 }
7723 break;
7724 case AIROGSLIST: ridcode = RID_SSID; break;
7725 case AIROGVLIST: ridcode = RID_APLIST; break;
7726 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7727 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7728 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7729 /* Only super-user can read WEP keys */
7730 if (!capable(CAP_NET_ADMIN))
7731 return -EPERM;
7732 break;
7733 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7734 /* Only super-user can read WEP keys */
7735 if (!capable(CAP_NET_ADMIN))
7736 return -EPERM;
7737 break;
7738 case AIROGSTAT: ridcode = RID_STATUS; break;
7739 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7740 case AIROGSTATSC32: ridcode = RID_STATS; break;
1da177e4
LT		 7741 case AIROGMICSTATS:
7742 if (copy_to_user(comp->data, &ai->micstats,
7743 min((int)comp->len,(int)sizeof(ai->micstats))))
7744 return -EFAULT;
7745 return 0;
1da177e4
LT		 7746 case AIRORRID: ridcode = comp->ridnum; break;
7747 default:
7748 return -EINVAL;
7749 break;
7750 }
7751
7752 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7753 return -ENOMEM;
7754
7755 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7756 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7757 * then return it to the user
7758 * 9/22/2000 Honor user given length
7759 */
7760 len = comp->len;
7761
7762 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7763 kfree (iobuf);
7764 return -EFAULT;
7765 }
7766 kfree (iobuf);
7767 return 0;
7768}
7769
7770/*
7771 * Danger Will Robinson write the rids here
7772 */
7773
7774static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7775 struct airo_info *ai = dev->priv;
7776 int ridcode;
1da177e4 7777 int enabled;
1da177e4
LT		 7778 Resp rsp;
7779 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7780 unsigned char *iobuf;
7781
7782 /* Only super-user can write RIDs */
7783 if (!capable(CAP_NET_ADMIN))
7784 return -EPERM;
7785
7786 if (test_bit(FLAG_FLASHING, &ai->flags))
7787 return -EIO;
7788
7789 ridcode = 0;
7790 writer = do_writerid;
7791
7792 switch(comp->command)
7793 {
7794 case AIROPSIDS: ridcode = RID_SSID; break;
7795 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7796 case AIROPAPLIST: ridcode = RID_APLIST; break;
7797 case AIROPCFG: ai->config.len = 0;
7798 clear_bit(FLAG_COMMIT, &ai->flags);
7799 ridcode = RID_CONFIG; break;
7800 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7801 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7802 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7803 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7804 break;
7805 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7806 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7807
7808 /* this is not really a rid but a command given to the card
7809 * same with MAC off
7810 */
7811 case AIROPMACON:
7812 if (enable_MAC(ai, &rsp, 1) != 0)
7813 return -EIO;
7814 return 0;
7815
7816 /*
7817 * Evidently this code in the airo driver does not get a symbol
7818 * as disable_MAC. it's probably so short the compiler does not gen one.
7819 */
7820 case AIROPMACOFF:
7821 disable_MAC(ai, 1);
7822 return 0;
7823
7824 /* This command merely clears the counts does not actually store any data
7825 * only reads rid. But as it changes the cards state, I put it in the
7826 * writerid routines.
7827 */
7828 case AIROPSTCLR:
7829 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7830 return -ENOMEM;
7831
7832 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7833
1da177e4
LT		 7834 enabled = ai->micstats.enabled;
7835 memset(&ai->micstats,0,sizeof(ai->micstats));
7836 ai->micstats.enabled = enabled;
1da177e4
LT		 7837
7838 if (copy_to_user(comp->data, iobuf,
7839 min((int)comp->len, (int)RIDSIZE))) {
7840 kfree (iobuf);
7841 return -EFAULT;
7842 }
7843 kfree (iobuf);
7844 return 0;
7845
7846 default:
7847 return -EOPNOTSUPP; /* Blarg! */
7848 }
7849 if(comp->len > RIDSIZE)
7850 return -EINVAL;
7851
7852 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7853 return -ENOMEM;
7854
7855 if (copy_from_user(iobuf,comp->data,comp->len)) {
7856 kfree (iobuf);
7857 return -EFAULT;
7858 }
7859
7860 if (comp->command == AIROPCFG) {
7861 ConfigRid *cfg = (ConfigRid *)iobuf;
7862
7863 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7864 cfg->opmode |= MODE_MIC;
7865
7866 if ((cfg->opmode & 0xFF) == MODE_STA_IBSS)
7867 set_bit (FLAG_ADHOC, &ai->flags);
7868 else
7869 clear_bit (FLAG_ADHOC, &ai->flags);
7870 }
7871
7872 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7873 kfree (iobuf);
7874 return -EIO;
7875 }
7876 kfree (iobuf);
7877 return 0;
7878}
7879
7880/*****************************************************************************
7881 * Ancillary flash / mod functions much black magic lurkes here *
7882 *****************************************************************************
7883 */
7884
7885/*
7886 * Flash command switch table
7887 */
7888
ff1d2767 7889static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
1da177e4 7890 int z;
1da177e4
LT		 7891
7892 /* Only super-user can modify flash */
7893 if (!capable(CAP_NET_ADMIN))
7894 return -EPERM;
7895
7896 switch(comp->command)
7897 {
7898 case AIROFLSHRST:
7899 return cmdreset((struct airo_info *)dev->priv);
7900
7901 case AIROFLSHSTFL:
7902 if (!((struct airo_info *)dev->priv)->flash &&
7903 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7904 return -ENOMEM;
7905 return setflashmode((struct airo_info *)dev->priv);
7906
7907 case AIROFLSHGCHR: /* Get char from aux */
7908 if(comp->len != sizeof(int))
7909 return -EINVAL;
7910 if (copy_from_user(&z,comp->data,comp->len))
7911 return -EFAULT;
7912 return flashgchar((struct airo_info *)dev->priv,z,8000);
7913
7914 case AIROFLSHPCHR: /* Send char to card. */
7915 if(comp->len != sizeof(int))
7916 return -EINVAL;
7917 if (copy_from_user(&z,comp->data,comp->len))
7918 return -EFAULT;
7919 return flashpchar((struct airo_info *)dev->priv,z,8000);
7920
7921 case AIROFLPUTBUF: /* Send 32k to card */
7922 if (!((struct airo_info *)dev->priv)->flash)
7923 return -ENOMEM;
7924 if(comp->len > FLASHSIZE)
7925 return -EINVAL;
7926 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7927 return -EFAULT;
7928
7929 flashputbuf((struct airo_info *)dev->priv);
7930 return 0;
7931
7932 case AIRORESTART:
7933 if(flashrestart((struct airo_info *)dev->priv,dev))
7934 return -EIO;
7935 return 0;
7936 }
7937 return -EINVAL;
7938}
7939
7940#define FLASH_COMMAND 0x7e7e
7941
7942/*
7943 * STEP 1)
7944 * Disable MAC and do soft reset on
7945 * card.
7946 */
7947
ff1d2767 7948static int cmdreset(struct airo_info *ai) {
1da177e4
LT		 7949 disable_MAC(ai, 1);
7950
7951 if(!waitbusy (ai)){
934d8bf1 7952 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
1da177e4
LT		 7953 return -EBUSY;
7954 }
7955
7956 OUT4500(ai,COMMAND,CMD_SOFTRESET);
7957
7958 ssleep(1); /* WAS 600 12/7/00 */
7959
7960 if(!waitbusy (ai)){
934d8bf1 7961 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
1da177e4
LT		 7962 return -EBUSY;
7963 }
7964 return 0;
7965}
7966
7967/* STEP 2)
7968 * Put the card in legendary flash
7969 * mode
7970 */
7971
ff1d2767 7972static int setflashmode (struct airo_info *ai) {
1da177e4
LT		 7973 set_bit (FLAG_FLASHING, &ai->flags);
7974
7975 OUT4500(ai, SWS0, FLASH_COMMAND);
7976 OUT4500(ai, SWS1, FLASH_COMMAND);
7977 if (probe) {
7978 OUT4500(ai, SWS0, FLASH_COMMAND);
7979 OUT4500(ai, COMMAND,0x10);
7980 } else {
7981 OUT4500(ai, SWS2, FLASH_COMMAND);
7982 OUT4500(ai, SWS3, FLASH_COMMAND);
7983 OUT4500(ai, COMMAND,0);
7984 }
7985 msleep(500); /* 500ms delay */
7986
7987 if(!waitbusy(ai)) {
7988 clear_bit (FLAG_FLASHING, &ai->flags);
934d8bf1 7989 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
1da177e4
LT		 7990 return -EIO;
7991 }
7992 return 0;
7993}
7994
7995/* Put character to SWS0 wait for dwelltime
7996 * x 50us for echo .
7997 */
7998
ff1d2767 7999static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
1da177e4
LT		 8000 int echo;
8001 int waittime;
8002
8003 byte |= 0x8000;
8004
8005 if(dwelltime == 0 )
8006 dwelltime = 200;
8007
8008 waittime=dwelltime;
8009
8010 /* Wait for busy bit d15 to go false indicating buffer empty */
8011 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8012 udelay (50);
8013 waittime -= 50;
8014 }
8015
8016 /* timeout for busy clear wait */
8017 if(waittime <= 0 ){
934d8bf1 8018 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
1da177e4
LT		 8019 return -EBUSY;
8020 }
8021
8022 /* Port is clear now write byte and wait for it to echo back */
8023 do {
8024 OUT4500(ai,SWS0,byte);
8025 udelay(50);
8026 dwelltime -= 50;
8027 echo = IN4500(ai,SWS1);
8028 } while (dwelltime >= 0 && echo != byte);
8029
8030 OUT4500(ai,SWS1,0);
8031
8032 return (echo == byte) ? 0 : -EIO;
8033}
8034
8035/*
8036 * Get a character from the card matching matchbyte
8037 * Step 3)
8038 */
ff1d2767 8039static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
1da177e4
LT		 8040 int rchar;
8041 unsigned char rbyte=0;
8042
8043 do {
8044 rchar = IN4500(ai,SWS1);
8045
8046 if(dwelltime && !(0x8000 & rchar)){
8047 dwelltime -= 10;
8048 mdelay(10);
8049 continue;
8050 }
8051 rbyte = 0xff & rchar;
8052
8053 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8054 OUT4500(ai,SWS1,0);
8055 return 0;
8056 }
8057 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8058 break;
8059 OUT4500(ai,SWS1,0);
8060
8061 }while(dwelltime > 0);
8062 return -EIO;
8063}
8064
8065/*
8066 * Transfer 32k of firmware data from user buffer to our buffer and
8067 * send to the card
8068 */
8069
ff1d2767 8070static int flashputbuf(struct airo_info *ai){
1da177e4
LT		 8071 int nwords;
8072
8073 /* Write stuff */
8074 if (test_bit(FLAG_MPI,&ai->flags))
8075 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8076 else {
8077 OUT4500(ai,AUXPAGE,0x100);
8078 OUT4500(ai,AUXOFF,0);
8079
8080 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8081 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8082 }
8083 }
8084 OUT4500(ai,SWS0,0x8000);
8085
8086 return 0;
8087}
8088
8089/*
8090 *
8091 */
ff1d2767 8092static int flashrestart(struct airo_info *ai,struct net_device *dev){
1da177e4
LT		 8093 int i,status;
8094
8095 ssleep(1); /* Added 12/7/00 */
8096 clear_bit (FLAG_FLASHING, &ai->flags);
8097 if (test_bit(FLAG_MPI, &ai->flags)) {
8098 status = mpi_init_descriptors(ai);
8099 if (status != SUCCESS)
8100 return status;
8101 }
8102 status = setup_card(ai, dev->dev_addr, 1);
8103
8104 if (!test_bit(FLAG_MPI,&ai->flags))
8105 for( i = 0; i < MAX_FIDS; i++ ) {
8106 ai->fids[i] = transmit_allocate
15db2763 8107 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
1da177e4
LT		 8108 }
8109
8110 ssleep(1); /* Added 12/7/00 */
8111 return status;
8112}
8113#endif /* CISCO_EXT */
8114
8115/*
8116 This program is free software; you can redistribute it and/or
8117 modify it under the terms of the GNU General Public License
8118 as published by the Free Software Foundation; either version 2
8119 of the License, or (at your option) any later version.
8120
8121 This program is distributed in the hope that it will be useful,
8122 but WITHOUT ANY WARRANTY; without even the implied warranty of
8123 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8124 GNU General Public License for more details.
8125
8126 In addition:
8127
8128 Redistribution and use in source and binary forms, with or without
8129 modification, are permitted provided that the following conditions
8130 are met:
8131
8132 1. Redistributions of source code must retain the above copyright
8133 notice, this list of conditions and the following disclaimer.
8134 2. Redistributions in binary form must reproduce the above copyright
8135 notice, this list of conditions and the following disclaimer in the
8136 documentation and/or other materials provided with the distribution.
8137 3. The name of the author may not be used to endorse or promote
8138 products derived from this software without specific prior written
8139 permission.
8140
8141 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8142 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8143 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8144 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8145 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8146 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8147 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8148 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8149 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8150 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8151 POSSIBILITY OF SUCH DAMAGE.
8152*/
8153
8154module_init(airo_init_module);
8155module_exit(airo_cleanup_module);
Linux 6.x block layer and io_uring tree(s)