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[PATCH] airo: simpler calling convention for enable_MAC()
[deliverable/linux.git] / drivers / net / wireless / airo.c
CommitLineData
1da177e4
LT		 1/*======================================================================
2
3 Aironet driver for 4500 and 4800 series cards
4
5 This code is released under both the GPL version 2 and BSD licenses.
6 Either license may be used. The respective licenses are found at
7 the end of this file.
8
9 This code was developed by Benjamin Reed <breed@users.sourceforge.net>
10 including portions of which come from the Aironet PC4500
11 Developer's Reference Manual and used with permission. Copyright
12 (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use
13 code in the Developer's manual was granted for this driver by
14 Aironet. Major code contributions were received from Javier Achirica
15 <achirica@users.sourceforge.net> and Jean Tourrilhes <jt@hpl.hp.com>.
16 Code was also integrated from the Cisco Aironet driver for Linux.
17 Support for MPI350 cards was added by Fabrice Bellet
18 <fabrice@bellet.info>.
19
20======================================================================*/
21
f12cc209 22#include <linux/err.h>
1da177e4
LT		 23#include <linux/init.h>
24
25#include <linux/kernel.h>
26#include <linux/module.h>
27#include <linux/proc_fs.h>
1da177e4
LT		 28
29#include <linux/sched.h>
30#include <linux/ptrace.h>
31#include <linux/slab.h>
32#include <linux/string.h>
33#include <linux/timer.h>
34#include <linux/interrupt.h>
35#include <linux/in.h>
36#include <linux/bitops.h>
378f058c 37#include <linux/scatterlist.h>
a39d3e79 38#include <linux/crypto.h>
1da177e4
LT		 39#include <asm/io.h>
40#include <asm/system.h>
41
42#include <linux/netdevice.h>
43#include <linux/etherdevice.h>
44#include <linux/skbuff.h>
45#include <linux/if_arp.h>
46#include <linux/ioport.h>
47#include <linux/pci.h>
48#include <asm/uaccess.h>
3c304956 49#include <net/ieee80211.h>
3b4c7d64 50#include <linux/kthread.h>
7dfb7103 51#include <linux/freezer.h>
1da177e4 52
d3808760
AB		 53#include "airo.h"
54
1138c37b
MS		 55#define DRV_NAME "airo"
56
1da177e4
LT		 57#ifdef CONFIG_PCI
58static struct pci_device_id card_ids[] = {
59 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
60 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
61 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
62 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
63 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0, }
67};
68MODULE_DEVICE_TABLE(pci, card_ids);
69
70static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
71static void airo_pci_remove(struct pci_dev *);
05adc3b7 72static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
1da177e4
LT		 73static int airo_pci_resume(struct pci_dev *pdev);
74
75static struct pci_driver airo_driver = {
1138c37b 76 .name = DRV_NAME,
1da177e4
LT		 77 .id_table = card_ids,
78 .probe = airo_pci_probe,
79 .remove = __devexit_p(airo_pci_remove),
80 .suspend = airo_pci_suspend,
81 .resume = airo_pci_resume,
82};
83#endif /* CONFIG_PCI */
84
85/* Include Wireless Extension definition and check version - Jean II */
86#include <linux/wireless.h>
87#define WIRELESS_SPY // enable iwspy support
88#include <net/iw_handler.h> // New driver API
89
90#define CISCO_EXT // enable Cisco extensions
91#ifdef CISCO_EXT
92#include <linux/delay.h>
93#endif
94
1da177e4
LT		 95/* Hack to do some power saving */
96#define POWER_ON_DOWN
97
98/* As you can see this list is HUGH!
99 I really don't know what a lot of these counts are about, but they
100 are all here for completeness. If the IGNLABEL macro is put in
101 infront of the label, that statistic will not be included in the list
102 of statistics in the /proc filesystem */
103
104#define IGNLABEL(comment) NULL
105static char *statsLabels[] = {
106 "RxOverrun",
107 IGNLABEL("RxPlcpCrcErr"),
108 IGNLABEL("RxPlcpFormatErr"),
109 IGNLABEL("RxPlcpLengthErr"),
110 "RxMacCrcErr",
111 "RxMacCrcOk",
112 "RxWepErr",
113 "RxWepOk",
114 "RetryLong",
115 "RetryShort",
116 "MaxRetries",
117 "NoAck",
118 "NoCts",
119 "RxAck",
120 "RxCts",
121 "TxAck",
122 "TxRts",
123 "TxCts",
124 "TxMc",
125 "TxBc",
126 "TxUcFrags",
127 "TxUcPackets",
128 "TxBeacon",
129 "RxBeacon",
130 "TxSinColl",
131 "TxMulColl",
132 "DefersNo",
133 "DefersProt",
134 "DefersEngy",
135 "DupFram",
136 "RxFragDisc",
137 "TxAged",
138 "RxAged",
139 "LostSync-MaxRetry",
140 "LostSync-MissedBeacons",
141 "LostSync-ArlExceeded",
142 "LostSync-Deauth",
143 "LostSync-Disassoced",
144 "LostSync-TsfTiming",
145 "HostTxMc",
146 "HostTxBc",
147 "HostTxUc",
148 "HostTxFail",
149 "HostRxMc",
150 "HostRxBc",
151 "HostRxUc",
152 "HostRxDiscard",
153 IGNLABEL("HmacTxMc"),
154 IGNLABEL("HmacTxBc"),
155 IGNLABEL("HmacTxUc"),
156 IGNLABEL("HmacTxFail"),
157 IGNLABEL("HmacRxMc"),
158 IGNLABEL("HmacRxBc"),
159 IGNLABEL("HmacRxUc"),
160 IGNLABEL("HmacRxDiscard"),
161 IGNLABEL("HmacRxAccepted"),
162 "SsidMismatch",
163 "ApMismatch",
164 "RatesMismatch",
165 "AuthReject",
166 "AuthTimeout",
167 "AssocReject",
168 "AssocTimeout",
169 IGNLABEL("ReasonOutsideTable"),
170 IGNLABEL("ReasonStatus1"),
171 IGNLABEL("ReasonStatus2"),
172 IGNLABEL("ReasonStatus3"),
173 IGNLABEL("ReasonStatus4"),
174 IGNLABEL("ReasonStatus5"),
175 IGNLABEL("ReasonStatus6"),
176 IGNLABEL("ReasonStatus7"),
177 IGNLABEL("ReasonStatus8"),
178 IGNLABEL("ReasonStatus9"),
179 IGNLABEL("ReasonStatus10"),
180 IGNLABEL("ReasonStatus11"),
181 IGNLABEL("ReasonStatus12"),
182 IGNLABEL("ReasonStatus13"),
183 IGNLABEL("ReasonStatus14"),
184 IGNLABEL("ReasonStatus15"),
185 IGNLABEL("ReasonStatus16"),
186 IGNLABEL("ReasonStatus17"),
187 IGNLABEL("ReasonStatus18"),
188 IGNLABEL("ReasonStatus19"),
189 "RxMan",
190 "TxMan",
191 "RxRefresh",
192 "TxRefresh",
193 "RxPoll",
194 "TxPoll",
195 "HostRetries",
196 "LostSync-HostReq",
197 "HostTxBytes",
198 "HostRxBytes",
199 "ElapsedUsec",
200 "ElapsedSec",
201 "LostSyncBetterAP",
202 "PrivacyMismatch",
203 "Jammed",
204 "DiscRxNotWepped",
205 "PhyEleMismatch",
206 (char*)-1 };
207#ifndef RUN_AT
208#define RUN_AT(x) (jiffies+(x))
209#endif
210
211
212/* These variables are for insmod, since it seems that the rates
213 can only be set in setup_card. Rates should be a comma separated
214 (no spaces) list of rates (up to 8). */
215
216static int rates[8];
217static int basic_rate;
218static char *ssids[3];
219
220static int io[4];
221static int irq[4];
222
223static
224int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
225 0 means no limit. For old cards this was 4 */
226
227static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
228static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
229 the bap, needed on some older cards and buses. */
230static int adhoc;
231
232static int probe = 1;
233
234static int proc_uid /* = 0 */;
235
236static int proc_gid /* = 0 */;
237
238static int airo_perm = 0555;
239
240static int proc_perm = 0644;
241
242MODULE_AUTHOR("Benjamin Reed");
243MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
244 cards. Direct support for ISA/PCI/MPI cards and support \
245 for PCMCIA when used with airo_cs.");
246MODULE_LICENSE("Dual BSD/GPL");
247MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
248module_param_array(io, int, NULL, 0);
249module_param_array(irq, int, NULL, 0);
250module_param(basic_rate, int, 0);
251module_param_array(rates, int, NULL, 0);
252module_param_array(ssids, charp, NULL, 0);
253module_param(auto_wep, int, 0);
254MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
255the authentication options until an association is made. The value of \
256auto_wep is number of the wep keys to check. A value of 2 will try using \
257the key at index 0 and index 1.");
258module_param(aux_bap, int, 0);
259MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
260than seems to work better for older cards with some older buses. Before \
261switching it checks that the switch is needed.");
262module_param(maxencrypt, int, 0);
263MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
264encryption. Units are in 512kbs. Zero (default) means there is no limit. \
265Older cards used to be limited to 2mbs (4).");
266module_param(adhoc, int, 0);
267MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
268module_param(probe, int, 0);
269MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
270
271module_param(proc_uid, int, 0);
272MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
273module_param(proc_gid, int, 0);
274MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
275module_param(airo_perm, int, 0);
276MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
277module_param(proc_perm, int, 0);
278MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
279
280/* This is a kind of sloppy hack to get this information to OUT4500 and
281 IN4500. I would be extremely interested in the situation where this
282 doesn't work though!!! */
283static int do8bitIO = 0;
284
285/* Return codes */
286#define SUCCESS 0
287#define ERROR -1
288#define NO_PACKET -2
289
290/* Commands */
291#define NOP2 0x0000
292#define MAC_ENABLE 0x0001
293#define MAC_DISABLE 0x0002
294#define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
295#define CMD_SOFTRESET 0x0004
296#define HOSTSLEEP 0x0005
297#define CMD_MAGIC_PKT 0x0006
298#define CMD_SETWAKEMASK 0x0007
299#define CMD_READCFG 0x0008
300#define CMD_SETMODE 0x0009
301#define CMD_ALLOCATETX 0x000a
302#define CMD_TRANSMIT 0x000b
303#define CMD_DEALLOCATETX 0x000c
304#define NOP 0x0010
305#define CMD_WORKAROUND 0x0011
306#define CMD_ALLOCATEAUX 0x0020
307#define CMD_ACCESS 0x0021
308#define CMD_PCIBAP 0x0022
309#define CMD_PCIAUX 0x0023
310#define CMD_ALLOCBUF 0x0028
311#define CMD_GETTLV 0x0029
312#define CMD_PUTTLV 0x002a
313#define CMD_DELTLV 0x002b
314#define CMD_FINDNEXTTLV 0x002c
315#define CMD_PSPNODES 0x0030
316#define CMD_SETCW 0x0031
317#define CMD_SETPCF 0x0032
318#define CMD_SETPHYREG 0x003e
319#define CMD_TXTEST 0x003f
320#define MAC_ENABLETX 0x0101
321#define CMD_LISTBSS 0x0103
322#define CMD_SAVECFG 0x0108
323#define CMD_ENABLEAUX 0x0111
324#define CMD_WRITERID 0x0121
325#define CMD_USEPSPNODES 0x0130
326#define MAC_ENABLERX 0x0201
327
328/* Command errors */
329#define ERROR_QUALIF 0x00
330#define ERROR_ILLCMD 0x01
331#define ERROR_ILLFMT 0x02
332#define ERROR_INVFID 0x03
333#define ERROR_INVRID 0x04
334#define ERROR_LARGE 0x05
335#define ERROR_NDISABL 0x06
336#define ERROR_ALLOCBSY 0x07
337#define ERROR_NORD 0x0B
338#define ERROR_NOWR 0x0C
339#define ERROR_INVFIDTX 0x0D
340#define ERROR_TESTACT 0x0E
341#define ERROR_TAGNFND 0x12
342#define ERROR_DECODE 0x20
343#define ERROR_DESCUNAV 0x21
344#define ERROR_BADLEN 0x22
345#define ERROR_MODE 0x80
346#define ERROR_HOP 0x81
347#define ERROR_BINTER 0x82
348#define ERROR_RXMODE 0x83
349#define ERROR_MACADDR 0x84
350#define ERROR_RATES 0x85
351#define ERROR_ORDER 0x86
352#define ERROR_SCAN 0x87
353#define ERROR_AUTH 0x88
354#define ERROR_PSMODE 0x89
355#define ERROR_RTYPE 0x8A
356#define ERROR_DIVER 0x8B
357#define ERROR_SSID 0x8C
358#define ERROR_APLIST 0x8D
359#define ERROR_AUTOWAKE 0x8E
360#define ERROR_LEAP 0x8F
361
362/* Registers */
363#define COMMAND 0x00
364#define PARAM0 0x02
365#define PARAM1 0x04
366#define PARAM2 0x06
367#define STATUS 0x08
368#define RESP0 0x0a
369#define RESP1 0x0c
370#define RESP2 0x0e
371#define LINKSTAT 0x10
372#define SELECT0 0x18
373#define OFFSET0 0x1c
374#define RXFID 0x20
375#define TXALLOCFID 0x22
376#define TXCOMPLFID 0x24
377#define DATA0 0x36
378#define EVSTAT 0x30
379#define EVINTEN 0x32
380#define EVACK 0x34
381#define SWS0 0x28
382#define SWS1 0x2a
383#define SWS2 0x2c
384#define SWS3 0x2e
385#define AUXPAGE 0x3A
386#define AUXOFF 0x3C
387#define AUXDATA 0x3E
388
389#define FID_TX 1
390#define FID_RX 2
391/* Offset into aux memory for descriptors */
392#define AUX_OFFSET 0x800
393/* Size of allocated packets */
394#define PKTSIZE 1840
395#define RIDSIZE 2048
396/* Size of the transmit queue */
397#define MAXTXQ 64
398
399/* BAP selectors */
400#define BAP0 0 // Used for receiving packets
401#define BAP1 2 // Used for xmiting packets and working with RIDS
402
403/* Flags */
404#define COMMAND_BUSY 0x8000
405
406#define BAP_BUSY 0x8000
407#define BAP_ERR 0x4000
408#define BAP_DONE 0x2000
409
410#define PROMISC 0xffff
411#define NOPROMISC 0x0000
412
413#define EV_CMD 0x10
414#define EV_CLEARCOMMANDBUSY 0x4000
415#define EV_RX 0x01
416#define EV_TX 0x02
417#define EV_TXEXC 0x04
418#define EV_ALLOC 0x08
419#define EV_LINK 0x80
420#define EV_AWAKE 0x100
421#define EV_TXCPY 0x400
422#define EV_UNKNOWN 0x800
423#define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
424#define EV_AWAKEN 0x2000
425#define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
426
427#ifdef CHECK_UNKNOWN_INTS
428#define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
429#else
430#define IGNORE_INTS (~STATUS_INTS)
431#endif
432
433/* RID TYPES */
434#define RID_RW 0x20
435
436/* The RIDs */
437#define RID_CAPABILITIES 0xFF00
438#define RID_APINFO 0xFF01
439#define RID_RADIOINFO 0xFF02
440#define RID_UNKNOWN3 0xFF03
441#define RID_RSSI 0xFF04
442#define RID_CONFIG 0xFF10
443#define RID_SSID 0xFF11
444#define RID_APLIST 0xFF12
445#define RID_DRVNAME 0xFF13
446#define RID_ETHERENCAP 0xFF14
447#define RID_WEP_TEMP 0xFF15
448#define RID_WEP_PERM 0xFF16
449#define RID_MODULATION 0xFF17
450#define RID_OPTIONS 0xFF18
451#define RID_ACTUALCONFIG 0xFF20 /*readonly*/
452#define RID_FACTORYCONFIG 0xFF21
453#define RID_UNKNOWN22 0xFF22
454#define RID_LEAPUSERNAME 0xFF23
455#define RID_LEAPPASSWORD 0xFF24
456#define RID_STATUS 0xFF50
457#define RID_BEACON_HST 0xFF51
458#define RID_BUSY_HST 0xFF52
459#define RID_RETRIES_HST 0xFF53
460#define RID_UNKNOWN54 0xFF54
461#define RID_UNKNOWN55 0xFF55
462#define RID_UNKNOWN56 0xFF56
463#define RID_MIC 0xFF57
464#define RID_STATS16 0xFF60
465#define RID_STATS16DELTA 0xFF61
466#define RID_STATS16DELTACLEAR 0xFF62
467#define RID_STATS 0xFF68
468#define RID_STATSDELTA 0xFF69
469#define RID_STATSDELTACLEAR 0xFF6A
470#define RID_ECHOTEST_RID 0xFF70
471#define RID_ECHOTEST_RESULTS 0xFF71
472#define RID_BSSLISTFIRST 0xFF72
473#define RID_BSSLISTNEXT 0xFF73
3c304956
DW		 474#define RID_WPA_BSSLISTFIRST 0xFF74
475#define RID_WPA_BSSLISTNEXT 0xFF75
1da177e4
LT		 476
477typedef struct {
478 u16 cmd;
479 u16 parm0;
480 u16 parm1;
481 u16 parm2;
482} Cmd;
483
484typedef struct {
485 u16 status;
486 u16 rsp0;
487 u16 rsp1;
488 u16 rsp2;
489} Resp;
490
491/*
492 * Rids and endian-ness: The Rids will always be in cpu endian, since
493 * this all the patches from the big-endian guys end up doing that.
494 * so all rid access should use the read/writeXXXRid routines.
495 */
496
497/* This is redundant for x86 archs, but it seems necessary for ARM */
498#pragma pack(1)
499
500/* This structure came from an email sent to me from an engineer at
501 aironet for inclusion into this driver */
502typedef struct {
503 u16 len;
504 u16 kindex;
505 u8 mac[ETH_ALEN];
506 u16 klen;
507 u8 key[16];
508} WepKeyRid;
509
510/* These structures are from the Aironet's PC4500 Developers Manual */
511typedef struct {
512 u16 len;
513 u8 ssid[32];
514} Ssid;
515
516typedef struct {
517 u16 len;
518 Ssid ssids[3];
519} SsidRid;
520
521typedef struct {
522 u16 len;
523 u16 modulation;
524#define MOD_DEFAULT 0
525#define MOD_CCK 1
526#define MOD_MOK 2
527} ModulationRid;
528
529typedef struct {
530 u16 len; /* sizeof(ConfigRid) */
531 u16 opmode; /* operating mode */
532#define MODE_STA_IBSS 0
533#define MODE_STA_ESS 1
534#define MODE_AP 2
535#define MODE_AP_RPTR 3
536#define MODE_ETHERNET_HOST (0<<8) /* rx payloads converted */
537#define MODE_LLC_HOST (1<<8) /* rx payloads left as is */
538#define MODE_AIRONET_EXTEND (1<<9) /* enable Aironet extenstions */
539#define MODE_AP_INTERFACE (1<<10) /* enable ap interface extensions */
540#define MODE_ANTENNA_ALIGN (1<<11) /* enable antenna alignment */
541#define MODE_ETHER_LLC (1<<12) /* enable ethernet LLC */
542#define MODE_LEAF_NODE (1<<13) /* enable leaf node bridge */
543#define MODE_CF_POLLABLE (1<<14) /* enable CF pollable */
544#define MODE_MIC (1<<15) /* enable MIC */
545 u16 rmode; /* receive mode */
546#define RXMODE_BC_MC_ADDR 0
547#define RXMODE_BC_ADDR 1 /* ignore multicasts */
548#define RXMODE_ADDR 2 /* ignore multicast and broadcast */
549#define RXMODE_RFMON 3 /* wireless monitor mode */
550#define RXMODE_RFMON_ANYBSS 4
551#define RXMODE_LANMON 5 /* lan style monitor -- data packets only */
552#define RXMODE_DISABLE_802_3_HEADER (1<<8) /* disables 802.3 header on rx */
553#define RXMODE_NORMALIZED_RSSI (1<<9) /* return normalized RSSI */
554 u16 fragThresh;
555 u16 rtsThres;
556 u8 macAddr[ETH_ALEN];
557 u8 rates[8];
558 u16 shortRetryLimit;
559 u16 longRetryLimit;
560 u16 txLifetime; /* in kusec */
561 u16 rxLifetime; /* in kusec */
562 u16 stationary;
563 u16 ordering;
564 u16 u16deviceType; /* for overriding device type */
565 u16 cfpRate;
566 u16 cfpDuration;
567 u16 _reserved1[3];
568 /*---------- Scanning/Associating ----------*/
569 u16 scanMode;
570#define SCANMODE_ACTIVE 0
571#define SCANMODE_PASSIVE 1
572#define SCANMODE_AIROSCAN 2
573 u16 probeDelay; /* in kusec */
574 u16 probeEnergyTimeout; /* in kusec */
575 u16 probeResponseTimeout;
576 u16 beaconListenTimeout;
577 u16 joinNetTimeout;
578 u16 authTimeout;
579 u16 authType;
580#define AUTH_OPEN 0x1
581#define AUTH_ENCRYPT 0x101
582#define AUTH_SHAREDKEY 0x102
583#define AUTH_ALLOW_UNENCRYPTED 0x200
584 u16 associationTimeout;
585 u16 specifiedApTimeout;
586 u16 offlineScanInterval;
587 u16 offlineScanDuration;
588 u16 linkLossDelay;
589 u16 maxBeaconLostTime;
590 u16 refreshInterval;
591#define DISABLE_REFRESH 0xFFFF
592 u16 _reserved1a[1];
593 /*---------- Power save operation ----------*/
594 u16 powerSaveMode;
595#define POWERSAVE_CAM 0
596#define POWERSAVE_PSP 1
597#define POWERSAVE_PSPCAM 2
598 u16 sleepForDtims;
599 u16 listenInterval;
600 u16 fastListenInterval;
601 u16 listenDecay;
602 u16 fastListenDelay;
603 u16 _reserved2[2];
604 /*---------- Ap/Ibss config items ----------*/
605 u16 beaconPeriod;
606 u16 atimDuration;
607 u16 hopPeriod;
608 u16 channelSet;
609 u16 channel;
610 u16 dtimPeriod;
611 u16 bridgeDistance;
612 u16 radioID;
613 /*---------- Radio configuration ----------*/
614 u16 radioType;
615#define RADIOTYPE_DEFAULT 0
616#define RADIOTYPE_802_11 1
617#define RADIOTYPE_LEGACY 2
618 u8 rxDiversity;
619 u8 txDiversity;
620 u16 txPower;
621#define TXPOWER_DEFAULT 0
622 u16 rssiThreshold;
623#define RSSI_DEFAULT 0
624 u16 modulation;
625#define PREAMBLE_AUTO 0
626#define PREAMBLE_LONG 1
627#define PREAMBLE_SHORT 2
628 u16 preamble;
629 u16 homeProduct;
630 u16 radioSpecific;
631 /*---------- Aironet Extensions ----------*/
632 u8 nodeName[16];
633 u16 arlThreshold;
634 u16 arlDecay;
635 u16 arlDelay;
636 u16 _reserved4[1];
637 /*---------- Aironet Extensions ----------*/
638 u8 magicAction;
639#define MAGIC_ACTION_STSCHG 1
640#define MAGIC_ACTION_RESUME 2
641#define MAGIC_IGNORE_MCAST (1<<8)
642#define MAGIC_IGNORE_BCAST (1<<9)
643#define MAGIC_SWITCH_TO_PSP (0<<10)
644#define MAGIC_STAY_IN_CAM (1<<10)
645 u8 magicControl;
646 u16 autoWake;
647} ConfigRid;
648
649typedef struct {
650 u16 len;
651 u8 mac[ETH_ALEN];
652 u16 mode;
653 u16 errorCode;
654 u16 sigQuality;
655 u16 SSIDlen;
656 char SSID[32];
657 char apName[16];
658 u8 bssid[4][ETH_ALEN];
659 u16 beaconPeriod;
660 u16 dimPeriod;
661 u16 atimDuration;
662 u16 hopPeriod;
663 u16 channelSet;
664 u16 channel;
665 u16 hopsToBackbone;
666 u16 apTotalLoad;
667 u16 generatedLoad;
668 u16 accumulatedArl;
669 u16 signalQuality;
670 u16 currentXmitRate;
671 u16 apDevExtensions;
672 u16 normalizedSignalStrength;
673 u16 shortPreamble;
674 u8 apIP[4];
675 u8 noisePercent; /* Noise percent in last second */
676 u8 noisedBm; /* Noise dBm in last second */
677 u8 noiseAvePercent; /* Noise percent in last minute */
678 u8 noiseAvedBm; /* Noise dBm in last minute */
679 u8 noiseMaxPercent; /* Highest noise percent in last minute */
680 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
681 u16 load;
682 u8 carrier[4];
683 u16 assocStatus;
684#define STAT_NOPACKETS 0
685#define STAT_NOCARRIERSET 10
686#define STAT_GOTCARRIERSET 11
687#define STAT_WRONGSSID 20
688#define STAT_BADCHANNEL 25
689#define STAT_BADBITRATES 30
690#define STAT_BADPRIVACY 35
691#define STAT_APFOUND 40
692#define STAT_APREJECTED 50
693#define STAT_AUTHENTICATING 60
694#define STAT_DEAUTHENTICATED 61
695#define STAT_AUTHTIMEOUT 62
696#define STAT_ASSOCIATING 70
697#define STAT_DEASSOCIATED 71
698#define STAT_ASSOCTIMEOUT 72
699#define STAT_NOTAIROAP 73
700#define STAT_ASSOCIATED 80
701#define STAT_LEAPING 90
702#define STAT_LEAPFAILED 91
703#define STAT_LEAPTIMEDOUT 92
704#define STAT_LEAPCOMPLETE 93
705} StatusRid;
706
707typedef struct {
708 u16 len;
709 u16 spacer;
710 u32 vals[100];
711} StatsRid;
712
713
714typedef struct {
715 u16 len;
716 u8 ap[4][ETH_ALEN];
717} APListRid;
718
719typedef struct {
720 u16 len;
721 char oui[3];
722 char zero;
723 u16 prodNum;
724 char manName[32];
725 char prodName[16];
726 char prodVer[8];
727 char factoryAddr[ETH_ALEN];
728 char aironetAddr[ETH_ALEN];
729 u16 radioType;
730 u16 country;
731 char callid[ETH_ALEN];
732 char supportedRates[8];
733 char rxDiversity;
734 char txDiversity;
735 u16 txPowerLevels[8];
736 u16 hardVer;
737 u16 hardCap;
738 u16 tempRange;
739 u16 softVer;
740 u16 softSubVer;
741 u16 interfaceVer;
742 u16 softCap;
743 u16 bootBlockVer;
744 u16 requiredHard;
745 u16 extSoftCap;
746} CapabilityRid;
747
3c304956
DW		 748
749/* Only present on firmware >= 5.30.17 */
750typedef struct {
751 u16 unknown[4];
752 u8 fixed[12]; /* WLAN management frame */
753 u8 iep[624];
754} BSSListRidExtra;
755
1da177e4
LT		 756typedef struct {
757 u16 len;
758 u16 index; /* First is 0 and 0xffff means end of list */
759#define RADIO_FH 1 /* Frequency hopping radio type */
760#define RADIO_DS 2 /* Direct sequence radio type */
761#define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
762 u16 radioType;
763 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
764 u8 zero;
765 u8 ssidLen;
766 u8 ssid[32];
41480af2 767 u16 dBm;
1da177e4
LT		 768#define CAP_ESS (1<<0)
769#define CAP_IBSS (1<<1)
770#define CAP_PRIVACY (1<<4)
771#define CAP_SHORTHDR (1<<5)
772 u16 cap;
773 u16 beaconInterval;
774 u8 rates[8]; /* Same as rates for config rid */
775 struct { /* For frequency hopping only */
776 u16 dwell;
777 u8 hopSet;
778 u8 hopPattern;
779 u8 hopIndex;
780 u8 fill;
781 } fh;
782 u16 dsChannel;
783 u16 atimWindow;
3c304956
DW		 784
785 /* Only present on firmware >= 5.30.17 */
786 BSSListRidExtra extra;
1da177e4
LT		 787} BSSListRid;
788
9e75af30
DW		 789typedef struct {
790 BSSListRid bss;
791 struct list_head list;
792} BSSListElement;
793
1da177e4
LT		 794typedef struct {
795 u8 rssipct;
796 u8 rssidBm;
797} tdsRssiEntry;
798
799typedef struct {
800 u16 len;
801 tdsRssiEntry x[256];
802} tdsRssiRid;
803
804typedef struct {
805 u16 len;
806 u16 state;
807 u16 multicastValid;
808 u8 multicast[16];
809 u16 unicastValid;
810 u8 unicast[16];
811} MICRid;
812
813typedef struct {
814 u16 typelen;
815
816 union {
817 u8 snap[8];
818 struct {
819 u8 dsap;
820 u8 ssap;
821 u8 control;
822 u8 orgcode[3];
823 u8 fieldtype[2];
824 } llc;
825 } u;
826 u32 mic;
827 u32 seq;
828} MICBuffer;
829
830typedef struct {
831 u8 da[ETH_ALEN];
832 u8 sa[ETH_ALEN];
833} etherHead;
834
835#pragma pack()
836
837#define TXCTL_TXOK (1<<1) /* report if tx is ok */
838#define TXCTL_TXEX (1<<2) /* report if tx fails */
839#define TXCTL_802_3 (0<<3) /* 802.3 packet */
840#define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
841#define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
842#define TXCTL_LLC (1<<4) /* payload is llc */
843#define TXCTL_RELEASE (0<<5) /* release after completion */
844#define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
845
846#define BUSY_FID 0x10000
847
848#ifdef CISCO_EXT
849#define AIROMAGIC 0xa55a
850/* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
851#ifdef SIOCIWFIRSTPRIV
852#ifdef SIOCDEVPRIVATE
853#define AIROOLDIOCTL SIOCDEVPRIVATE
854#define AIROOLDIDIFC AIROOLDIOCTL + 1
855#endif /* SIOCDEVPRIVATE */
856#else /* SIOCIWFIRSTPRIV */
857#define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
858#endif /* SIOCIWFIRSTPRIV */
859/* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
860 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
861 * only and don't return the modified struct ifreq to the application which
862 * is usually a problem. - Jean II */
863#define AIROIOCTL SIOCIWFIRSTPRIV
864#define AIROIDIFC AIROIOCTL + 1
865
866/* Ioctl constants to be used in airo_ioctl.command */
867
868#define AIROGCAP 0 // Capability rid
869#define AIROGCFG 1 // USED A LOT
870#define AIROGSLIST 2 // System ID list
871#define AIROGVLIST 3 // List of specified AP's
872#define AIROGDRVNAM 4 // NOTUSED
873#define AIROGEHTENC 5 // NOTUSED
874#define AIROGWEPKTMP 6
875#define AIROGWEPKNV 7
876#define AIROGSTAT 8
877#define AIROGSTATSC32 9
878#define AIROGSTATSD32 10
879#define AIROGMICRID 11
880#define AIROGMICSTATS 12
881#define AIROGFLAGS 13
882#define AIROGID 14
883#define AIRORRID 15
884#define AIRORSWVERSION 17
885
886/* Leave gap of 40 commands after AIROGSTATSD32 for future */
887
888#define AIROPCAP AIROGSTATSD32 + 40
889#define AIROPVLIST AIROPCAP + 1
890#define AIROPSLIST AIROPVLIST + 1
891#define AIROPCFG AIROPSLIST + 1
892#define AIROPSIDS AIROPCFG + 1
893#define AIROPAPLIST AIROPSIDS + 1
894#define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
895#define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
896#define AIROPSTCLR AIROPMACOFF + 1
897#define AIROPWEPKEY AIROPSTCLR + 1
898#define AIROPWEPKEYNV AIROPWEPKEY + 1
899#define AIROPLEAPPWD AIROPWEPKEYNV + 1
900#define AIROPLEAPUSR AIROPLEAPPWD + 1
901
902/* Flash codes */
903
904#define AIROFLSHRST AIROPWEPKEYNV + 40
905#define AIROFLSHGCHR AIROFLSHRST + 1
906#define AIROFLSHSTFL AIROFLSHGCHR + 1
907#define AIROFLSHPCHR AIROFLSHSTFL + 1
908#define AIROFLPUTBUF AIROFLSHPCHR + 1
909#define AIRORESTART AIROFLPUTBUF + 1
910
911#define FLASHSIZE 32768
912#define AUXMEMSIZE (256 * 1024)
913
914typedef struct aironet_ioctl {
915 unsigned short command; // What to do
916 unsigned short len; // Len of data
917 unsigned short ridnum; // rid number
918 unsigned char __user *data; // d-data
919} aironet_ioctl;
920
62595eb9 921static char swversion[] = "2.1";
1da177e4
LT		 922#endif /* CISCO_EXT */
923
924#define NUM_MODULES 2
925#define MIC_MSGLEN_MAX 2400
926#define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
15db2763 927#define AIRO_DEF_MTU 2312
1da177e4
LT		 928
929typedef struct {
930 u32 size; // size
931 u8 enabled; // MIC enabled or not
932 u32 rxSuccess; // successful packets received
933 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
934 u32 rxNotMICed; // pkts dropped due to not being MIC'd
935 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
936 u32 rxWrongSequence; // pkts dropped due to sequence number violation
937 u32 reserve[32];
938} mic_statistics;
939
940typedef struct {
941 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
942 u64 accum; // accumulated mic, reduced to u32 in final()
943 int position; // current position (byte offset) in message
944 union {
945 u8 d8[4];
946 u32 d32;
947 } part; // saves partial message word across update() calls
948} emmh32_context;
949
950typedef struct {
951 emmh32_context seed; // Context - the seed
952 u32 rx; // Received sequence number
953 u32 tx; // Tx sequence number
954 u32 window; // Start of window
955 u8 valid; // Flag to say if context is valid or not
956 u8 key[16];
957} miccntx;
958
959typedef struct {
960 miccntx mCtx; // Multicast context
961 miccntx uCtx; // Unicast context
962} mic_module;
963
964typedef struct {
965 unsigned int rid: 16;
966 unsigned int len: 15;
967 unsigned int valid: 1;
968 dma_addr_t host_addr;
969} Rid;
970
971typedef struct {
972 unsigned int offset: 15;
973 unsigned int eoc: 1;
974 unsigned int len: 15;
975 unsigned int valid: 1;
976 dma_addr_t host_addr;
977} TxFid;
978
979typedef struct {
980 unsigned int ctl: 15;
981 unsigned int rdy: 1;
982 unsigned int len: 15;
983 unsigned int valid: 1;
984 dma_addr_t host_addr;
985} RxFid;
986
987/*
988 * Host receive descriptor
989 */
990typedef struct {
991 unsigned char __iomem *card_ram_off; /* offset into card memory of the
992 desc */
993 RxFid rx_desc; /* card receive descriptor */
994 char *virtual_host_addr; /* virtual address of host receive
995 buffer */
996 int pending;
997} HostRxDesc;
998
999/*
1000 * Host transmit descriptor
1001 */
1002typedef struct {
1003 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1004 desc */
1005 TxFid tx_desc; /* card transmit descriptor */
1006 char *virtual_host_addr; /* virtual address of host receive
1007 buffer */
1008 int pending;
1009} HostTxDesc;
1010
1011/*
1012 * Host RID descriptor
1013 */
1014typedef struct {
1015 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1016 descriptor */
1017 Rid rid_desc; /* card RID descriptor */
1018 char *virtual_host_addr; /* virtual address of host receive
1019 buffer */
1020} HostRidDesc;
1021
1022typedef struct {
1023 u16 sw0;
1024 u16 sw1;
1025 u16 status;
1026 u16 len;
1027#define HOST_SET (1 << 0)
1028#define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1029#define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1030#define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1031#define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1032#define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1033#define HOST_CLR_AID (1 << 7) /* clear AID failure */
1034#define HOST_RTS (1 << 9) /* Force RTS use */
1035#define HOST_SHORT (1 << 10) /* Do short preamble */
1036 u16 ctl;
1037 u16 aid;
1038 u16 retries;
1039 u16 fill;
1040} TxCtlHdr;
1041
1042typedef struct {
1043 u16 ctl;
1044 u16 duration;
1045 char addr1[6];
1046 char addr2[6];
1047 char addr3[6];
1048 u16 seq;
1049 char addr4[6];
1050} WifiHdr;
1051
1052
1053typedef struct {
1054 TxCtlHdr ctlhdr;
1055 u16 fill1;
1056 u16 fill2;
1057 WifiHdr wifihdr;
1058 u16 gaplen;
1059 u16 status;
1060} WifiCtlHdr;
1061
ff1d2767 1062static WifiCtlHdr wifictlhdr8023 = {
1da177e4
LT		 1063 .ctlhdr = {
1064 .ctl = HOST_DONT_RLSE,
1065 }
1066};
1067
1da177e4
LT		 1068// Frequency list (map channels to frequencies)
1069static const long frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1070 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
1071
1072// A few details needed for WEP (Wireless Equivalent Privacy)
1073#define MAX_KEY_SIZE 13 // 128 (?) bits
1074#define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1075typedef struct wep_key_t {
1076 u16 len;
1077 u8 key[16]; /* 40-bit and 104-bit keys */
1078} wep_key_t;
1079
1080/* Backward compatibility */
1081#ifndef IW_ENCODE_NOKEY
1082#define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1083#define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1084#endif /* IW_ENCODE_NOKEY */
1085
1086/* List of Wireless Handlers (new API) */
1087static const struct iw_handler_def airo_handler_def;
1da177e4
LT		 1088
1089static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1090
1091struct airo_info;
1092
1093static int get_dec_u16( char *buffer, int *start, int limit );
1094static void OUT4500( struct airo_info *, u16 register, u16 value );
1095static unsigned short IN4500( struct airo_info *, u16 register );
1096static u16 setup_card(struct airo_info*, u8 *mac, int lock);
175ec1a1 1097static int enable_MAC(struct airo_info *ai, int lock);
1da177e4
LT		 1098static void disable_MAC(struct airo_info *ai, int lock);
1099static void enable_interrupts(struct airo_info*);
1100static void disable_interrupts(struct airo_info*);
1101static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1102static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1103static int aux_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1104 int whichbap);
1105static int fast_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1106 int whichbap);
1107static int bap_write(struct airo_info*, const u16 *pu16Src, int bytelen,
1108 int whichbap);
1109static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1110static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1111static int PC4500_writerid(struct airo_info*, u16 rid, const void
1112 *pBuf, int len, int lock);
1113static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1114 int len, int dummy );
1115static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1116static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1117static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1118
1119static int mpi_send_packet (struct net_device *dev);
1120static void mpi_unmap_card(struct pci_dev *pci);
1121static void mpi_receive_802_3(struct airo_info *ai);
1122static void mpi_receive_802_11(struct airo_info *ai);
1123static int waitbusy (struct airo_info *ai);
1124
7d12e780 1125static irqreturn_t airo_interrupt( int irq, void* dev_id);
1da177e4
LT		 1126static int airo_thread(void *data);
1127static void timer_func( struct net_device *dev );
1128static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
ff1d2767 1129static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1da177e4 1130static void airo_read_wireless_stats (struct airo_info *local);
1da177e4
LT		 1131#ifdef CISCO_EXT
1132static int readrids(struct net_device *dev, aironet_ioctl *comp);
1133static int writerids(struct net_device *dev, aironet_ioctl *comp);
ff1d2767 1134static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1da177e4 1135#endif /* CISCO_EXT */
1da177e4
LT		 1136static void micinit(struct airo_info *ai);
1137static int micsetup(struct airo_info *ai);
1138static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1139static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1140
41480af2
DW		 1141static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1142static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1143
9e75af30
DW		 1144static void airo_networks_free(struct airo_info *ai);
1145
1da177e4
LT		 1146struct airo_info {
1147 struct net_device_stats stats;
1148 struct net_device *dev;
af5b5c9a 1149 struct list_head dev_list;
1da177e4
LT		 1150 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1151 use the high bit to mark whether it is in use. */
1152#define MAX_FIDS 6
1153#define MPI_MAX_FIDS 1
1154 int fids[MAX_FIDS];
1155 ConfigRid config;
1156 char keyindex; // Used with auto wep
1157 char defindex; // Used with auto wep
1158 struct proc_dir_entry *proc_entry;
1159 spinlock_t aux_lock;
1da177e4
LT		 1160#define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1161#define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1162#define FLAG_RADIO_MASK 0x03
1163#define FLAG_ENABLED 2
1164#define FLAG_ADHOC 3 /* Needed by MIC */
1165#define FLAG_MIC_CAPABLE 4
1166#define FLAG_UPDATE_MULTI 5
1167#define FLAG_UPDATE_UNI 6
1168#define FLAG_802_11 7
3c304956 1169#define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1da177e4
LT		 1170#define FLAG_PENDING_XMIT 9
1171#define FLAG_PENDING_XMIT11 10
1172#define FLAG_MPI 11
1173#define FLAG_REGISTERED 12
1174#define FLAG_COMMIT 13
1175#define FLAG_RESET 14
1176#define FLAG_FLASHING 15
3c304956
DW		 1177#define FLAG_WPA_CAPABLE 16
1178 unsigned long flags;
1179#define JOB_DIE 0
1180#define JOB_XMIT 1
1181#define JOB_XMIT11 2
1182#define JOB_STATS 3
1183#define JOB_PROMISC 4
1184#define JOB_MIC 5
1185#define JOB_EVENT 6
1186#define JOB_AUTOWEP 7
1187#define JOB_WSTATS 8
1188#define JOB_SCAN_RESULTS 9
1189 unsigned long jobs;
1da177e4
LT		 1190 int (*bap_read)(struct airo_info*, u16 *pu16Dst, int bytelen,
1191 int whichbap);
1192 unsigned short *flash;
1193 tdsRssiEntry *rssi;
3b4c7d64
SB		 1194 struct task_struct *list_bss_task;
1195 struct task_struct *airo_thread_task;
1da177e4 1196 struct semaphore sem;
1da177e4 1197 wait_queue_head_t thr_wait;
1da177e4
LT		 1198 unsigned long expires;
1199 struct {
1200 struct sk_buff *skb;
1201 int fid;
1202 } xmit, xmit11;
1203 struct net_device *wifidev;
1da177e4 1204 struct iw_statistics wstats; // wireless stats
9e75af30 1205 unsigned long scan_timeout; /* Time scan should be read */
1da177e4
LT		 1206 struct iw_spy_data spy_data;
1207 struct iw_public_data wireless_data;
1da177e4 1208 /* MIC stuff */
f12cc209 1209 struct crypto_cipher *tfm;
1da177e4
LT		 1210 mic_module mod[2];
1211 mic_statistics micstats;
1da177e4
LT		 1212 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1213 HostTxDesc txfids[MPI_MAX_FIDS];
1214 HostRidDesc config_desc;
1215 unsigned long ridbus; // phys addr of config_desc
1216 struct sk_buff_head txq;// tx queue used by mpi350 code
1217 struct pci_dev *pci;
1218 unsigned char __iomem *pcimem;
1219 unsigned char __iomem *pciaux;
1220 unsigned char *shared;
1221 dma_addr_t shared_dma;
1cc68ae0 1222 pm_message_t power;
1da177e4
LT		 1223 SsidRid *SSID;
1224 APListRid *APList;
1225#define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1226 char proc_name[IFNAMSIZ];
9e75af30 1227
3c304956
DW		 1228 /* WPA-related stuff */
1229 unsigned int bssListFirst;
1230 unsigned int bssListNext;
1231 unsigned int bssListRidLen;
1232
9e75af30
DW		 1233 struct list_head network_list;
1234 struct list_head network_free_list;
1235 BSSListElement *networks;
1da177e4
LT		 1236};
1237
1238static inline int bap_read(struct airo_info *ai, u16 *pu16Dst, int bytelen,
1239 int whichbap) {
1240 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1241}
1242
1243static int setup_proc_entry( struct net_device *dev,
1244 struct airo_info *apriv );
1245static int takedown_proc_entry( struct net_device *dev,
1246 struct airo_info *apriv );
1247
ff1d2767
JM		 1248static int cmdreset(struct airo_info *ai);
1249static int setflashmode (struct airo_info *ai);
1250static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1251static int flashputbuf(struct airo_info *ai);
1252static int flashrestart(struct airo_info *ai,struct net_device *dev);
1253
934d8bf1 1254#define airo_print(type, name, fmt, args...) \
1138c37b 1255 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
934d8bf1
DW		 1256
1257#define airo_print_info(name, fmt, args...) \
1258 airo_print(KERN_INFO, name, fmt, ##args)
1259
1260#define airo_print_dbg(name, fmt, args...) \
1261 airo_print(KERN_DEBUG, name, fmt, ##args)
1262
1263#define airo_print_warn(name, fmt, args...) \
1264 airo_print(KERN_WARNING, name, fmt, ##args)
1265
1266#define airo_print_err(name, fmt, args...) \
1267 airo_print(KERN_ERR, name, fmt, ##args)
1268
1269
1da177e4
LT		 1270/***********************************************************************
1271 * MIC ROUTINES *
1272 ***********************************************************************
1273 */
1274
1275static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1276static void MoveWindow(miccntx *context, u32 micSeq);
f12cc209
HX		 1277static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1278 struct crypto_cipher *tfm);
ff1d2767
JM		 1279static void emmh32_init(emmh32_context *context);
1280static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1281static void emmh32_final(emmh32_context *context, u8 digest[4]);
1282static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1da177e4
LT		 1283
1284/* micinit - Initialize mic seed */
1285
1286static void micinit(struct airo_info *ai)
1287{
1288 MICRid mic_rid;
1289
3c304956 1290 clear_bit(JOB_MIC, &ai->jobs);
1da177e4
LT		 1291 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1292 up(&ai->sem);
1293
1294 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1295
1296 if (ai->micstats.enabled) {
1297 /* Key must be valid and different */
1298 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1299 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1300 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1301 /* Age current mic Context */
1302 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1303 /* Initialize new context */
1304 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1305 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1306 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1307 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1308 ai->mod[0].mCtx.valid = 1; //Key is now valid
1309
1310 /* Give key to mic seed */
1311 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1312 }
1313
1314 /* Key must be valid and different */
1315 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1316 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1317 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1318 /* Age current mic Context */
1319 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1320 /* Initialize new context */
1321 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1322
1323 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1324 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1325 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1326 ai->mod[0].uCtx.valid = 1; //Key is now valid
1327
1328 //Give key to mic seed
1329 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1330 }
1331 } else {
1332 /* So next time we have a valid key and mic is enabled, we will update
1333 * the sequence number if the key is the same as before.
1334 */
1335 ai->mod[0].uCtx.valid = 0;
1336 ai->mod[0].mCtx.valid = 0;
1337 }
1338}
1339
1340/* micsetup - Get ready for business */
1341
1342static int micsetup(struct airo_info *ai) {
1343 int i;
1344
1345 if (ai->tfm == NULL)
f12cc209 1346 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1da177e4 1347
f12cc209 1348 if (IS_ERR(ai->tfm)) {
934d8bf1 1349 airo_print_err(ai->dev->name, "failed to load transform for AES");
f12cc209 1350 ai->tfm = NULL;
1da177e4
LT		 1351 return ERROR;
1352 }
1353
1354 for (i=0; i < NUM_MODULES; i++) {
1355 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1356 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1357 }
1358 return SUCCESS;
1359}
1360
ff1d2767 1361static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1da177e4
LT		 1362
1363/*===========================================================================
1364 * Description: Mic a packet
1365 *
1366 * Inputs: etherHead * pointer to an 802.3 frame
1367 *
1368 * Returns: BOOLEAN if successful, otherwise false.
1369 * PacketTxLen will be updated with the mic'd packets size.
1370 *
1371 * Caveats: It is assumed that the frame buffer will already
1372 * be big enough to hold the largets mic message possible.
1373 * (No memory allocation is done here).
1374 *
1375 * Author: sbraneky (10/15/01)
1376 * Merciless hacks by rwilcher (1/14/02)
1377 */
1378
1379static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1380{
1381 miccntx *context;
1382
1383 // Determine correct context
1384 // If not adhoc, always use unicast key
1385
1386 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1387 context = &ai->mod[0].mCtx;
1388 else
1389 context = &ai->mod[0].uCtx;
1390
1391 if (!context->valid)
1392 return ERROR;
1393
1394 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1395
1396 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1397
1398 // Add Tx sequence
1399 mic->seq = htonl(context->tx);
1400 context->tx += 2;
1401
1402 emmh32_init(&context->seed); // Mic the packet
1403 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1404 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1405 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1406 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1407 emmh32_final(&context->seed, (u8*)&mic->mic);
1408
1409 /* New Type/length ?????????? */
1410 mic->typelen = 0; //Let NIC know it could be an oversized packet
1411 return SUCCESS;
1412}
1413
1414typedef enum {
1415 NONE,
1416 NOMIC,
1417 NOMICPLUMMED,
1418 SEQUENCE,
1419 INCORRECTMIC,
1420} mic_error;
1421
1422/*===========================================================================
1423 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1424 * (removes the MIC stuff) if packet is a valid packet.
1425 *
1426 * Inputs: etherHead pointer to the 802.3 packet
1427 *
1428 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1429 *
1430 * Author: sbraneky (10/15/01)
1431 * Merciless hacks by rwilcher (1/14/02)
1432 *---------------------------------------------------------------------------
1433 */
1434
1435static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1436{
1437 int i;
1438 u32 micSEQ;
1439 miccntx *context;
1440 u8 digest[4];
1441 mic_error micError = NONE;
1442
1443 // Check if the packet is a Mic'd packet
1444
1445 if (!ai->micstats.enabled) {
1446 //No Mic set or Mic OFF but we received a MIC'd packet.
1447 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1448 ai->micstats.rxMICPlummed++;
1449 return ERROR;
1450 }
1451 return SUCCESS;
1452 }
1453
1454 if (ntohs(mic->typelen) == 0x888E)
1455 return SUCCESS;
1456
1457 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1458 // Mic enabled but packet isn't Mic'd
1459 ai->micstats.rxMICPlummed++;
1460 return ERROR;
1461 }
1462
1463 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1464
1465 //At this point we a have a mic'd packet and mic is enabled
1466 //Now do the mic error checking.
1467
1468 //Receive seq must be odd
1469 if ( (micSEQ & 1) == 0 ) {
1470 ai->micstats.rxWrongSequence++;
1471 return ERROR;
1472 }
1473
1474 for (i = 0; i < NUM_MODULES; i++) {
1475 int mcast = eth->da[0] & 1;
1476 //Determine proper context
1477 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1478
1479 //Make sure context is valid
1480 if (!context->valid) {
1481 if (i == 0)
1482 micError = NOMICPLUMMED;
1483 continue;
1484 }
1485 //DeMic it
1486
1487 if (!mic->typelen)
1488 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1489
1490 emmh32_init(&context->seed);
1491 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1492 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1493 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1494 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1495 //Calculate MIC
1496 emmh32_final(&context->seed, digest);
1497
1498 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1499 //Invalid Mic
1500 if (i == 0)
1501 micError = INCORRECTMIC;
1502 continue;
1503 }
1504
1505 //Check Sequence number if mics pass
1506 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1507 ai->micstats.rxSuccess++;
1508 return SUCCESS;
1509 }
1510 if (i == 0)
1511 micError = SEQUENCE;
1512 }
1513
1514 // Update statistics
1515 switch (micError) {
1516 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1517 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1518 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1519 case NONE: break;
1520 case NOMIC: break;
1521 }
1522 return ERROR;
1523}
1524
1525/*===========================================================================
1526 * Description: Checks the Rx Seq number to make sure it is valid
1527 * and hasn't already been received
1528 *
1529 * Inputs: miccntx - mic context to check seq against
1530 * micSeq - the Mic seq number
1531 *
1532 * Returns: TRUE if valid otherwise FALSE.
1533 *
1534 * Author: sbraneky (10/15/01)
1535 * Merciless hacks by rwilcher (1/14/02)
1536 *---------------------------------------------------------------------------
1537 */
1538
1539static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1540{
1541 u32 seq,index;
1542
1543 //Allow for the ap being rebooted - if it is then use the next
1544 //sequence number of the current sequence number - might go backwards
1545
1546 if (mcast) {
1547 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1548 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1549 context->window = (micSeq > 33) ? micSeq : 33;
1550 context->rx = 0; // Reset rx
1551 }
1552 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1553 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1554 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1555 context->rx = 0; // Reset rx
1556 }
1557
1558 //Make sequence number relative to START of window
1559 seq = micSeq - (context->window - 33);
1560
1561 //Too old of a SEQ number to check.
1562 if ((s32)seq < 0)
1563 return ERROR;
1564
1565 if ( seq > 64 ) {
1566 //Window is infinite forward
1567 MoveWindow(context,micSeq);
1568 return SUCCESS;
1569 }
1570
1571 // We are in the window. Now check the context rx bit to see if it was already sent
1572 seq >>= 1; //divide by 2 because we only have odd numbers
1573 index = 1 << seq; //Get an index number
1574
1575 if (!(context->rx & index)) {
1576 //micSEQ falls inside the window.
1577 //Add seqence number to the list of received numbers.
1578 context->rx |= index;
1579
1580 MoveWindow(context,micSeq);
1581
1582 return SUCCESS;
1583 }
1584 return ERROR;
1585}
1586
1587static void MoveWindow(miccntx *context, u32 micSeq)
1588{
1589 u32 shift;
1590
1591 //Move window if seq greater than the middle of the window
1592 if (micSeq > context->window) {
1593 shift = (micSeq - context->window) >> 1;
1594
1595 //Shift out old
1596 if (shift < 32)
1597 context->rx >>= shift;
1598 else
1599 context->rx = 0;
1600
1601 context->window = micSeq; //Move window
1602 }
1603}
1604
1605/*==============================================*/
1606/*========== EMMH ROUTINES ====================*/
1607/*==============================================*/
1608
1609/* mic accumulate */
1610#define MIC_ACCUM(val) \
1611 context->accum += (u64)(val) * context->coeff[coeff_position++];
1612
1613static unsigned char aes_counter[16];
1614
1615/* expand the key to fill the MMH coefficient array */
f12cc209
HX		 1616static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1617 struct crypto_cipher *tfm)
1da177e4
LT		 1618{
1619 /* take the keying material, expand if necessary, truncate at 16-bytes */
1620 /* run through AES counter mode to generate context->coeff[] */
1621
1622 int i,j;
1623 u32 counter;
1624 u8 *cipher, plain[16];
1da177e4
LT		 1625
1626 crypto_cipher_setkey(tfm, pkey, 16);
1627 counter = 0;
e7c04fd3 1628 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1da177e4
LT		 1629 aes_counter[15] = (u8)(counter >> 0);
1630 aes_counter[14] = (u8)(counter >> 8);
1631 aes_counter[13] = (u8)(counter >> 16);
1632 aes_counter[12] = (u8)(counter >> 24);
1633 counter++;
1634 memcpy (plain, aes_counter, 16);
f12cc209
HX		 1635 crypto_cipher_encrypt_one(tfm, plain, plain);
1636 cipher = plain;
e7c04fd3 1637 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1da177e4
LT		 1638 context->coeff[i++] = ntohl(*(u32 *)&cipher[j]);
1639 j += 4;
1640 }
1641 }
1642}
1643
1644/* prepare for calculation of a new mic */
ff1d2767 1645static void emmh32_init(emmh32_context *context)
1da177e4
LT		 1646{
1647 /* prepare for new mic calculation */
1648 context->accum = 0;
1649 context->position = 0;
1650}
1651
1652/* add some bytes to the mic calculation */
ff1d2767 1653static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1da177e4
LT		 1654{
1655 int coeff_position, byte_position;
1656
1657 if (len == 0) return;
1658
1659 coeff_position = context->position >> 2;
1660
1661 /* deal with partial 32-bit word left over from last update */
1662 byte_position = context->position & 3;
1663 if (byte_position) {
1664 /* have a partial word in part to deal with */
1665 do {
1666 if (len == 0) return;
1667 context->part.d8[byte_position++] = *pOctets++;
1668 context->position++;
1669 len--;
1670 } while (byte_position < 4);
1671 MIC_ACCUM(htonl(context->part.d32));
1672 }
1673
1674 /* deal with full 32-bit words */
1675 while (len >= 4) {
1676 MIC_ACCUM(htonl(*(u32 *)pOctets));
1677 context->position += 4;
1678 pOctets += 4;
1679 len -= 4;
1680 }
1681
1682 /* deal with partial 32-bit word that will be left over from this update */
1683 byte_position = 0;
1684 while (len > 0) {
1685 context->part.d8[byte_position++] = *pOctets++;
1686 context->position++;
1687 len--;
1688 }
1689}
1690
1691/* mask used to zero empty bytes for final partial word */
1692static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1693
1694/* calculate the mic */
ff1d2767 1695static void emmh32_final(emmh32_context *context, u8 digest[4])
1da177e4
LT		 1696{
1697 int coeff_position, byte_position;
1698 u32 val;
1699
1700 u64 sum, utmp;
1701 s64 stmp;
1702
1703 coeff_position = context->position >> 2;
1704
1705 /* deal with partial 32-bit word left over from last update */
1706 byte_position = context->position & 3;
1707 if (byte_position) {
1708 /* have a partial word in part to deal with */
1709 val = htonl(context->part.d32);
1710 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1711 }
1712
1713 /* reduce the accumulated u64 to a 32-bit MIC */
1714 sum = context->accum;
1715 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1716 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1717 sum = utmp & 0xffffffffLL;
1718 if (utmp > 0x10000000fLL)
1719 sum -= 15;
1720
1721 val = (u32)sum;
1722 digest[0] = (val>>24) & 0xFF;
1723 digest[1] = (val>>16) & 0xFF;
1724 digest[2] = (val>>8) & 0xFF;
1725 digest[3] = val & 0xFF;
1726}
1da177e4
LT		 1727
1728static int readBSSListRid(struct airo_info *ai, int first,
1729 BSSListRid *list) {
1730 int rc;
3c304956
DW		 1731 Cmd cmd;
1732 Resp rsp;
1da177e4
LT		 1733
1734 if (first == 1) {
3c304956
DW		 1735 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1736 memset(&cmd, 0, sizeof(cmd));
1737 cmd.cmd=CMD_LISTBSS;
1738 if (down_interruptible(&ai->sem))
1739 return -ERESTARTSYS;
3b4c7d64 1740 ai->list_bss_task = current;
3c304956
DW		 1741 issuecommand(ai, &cmd, &rsp);
1742 up(&ai->sem);
1743 /* Let the command take effect */
3b4c7d64
SB		 1744 schedule_timeout_uninterruptible(3 * HZ);
1745 ai->list_bss_task = NULL;
3c304956
DW		 1746 }
1747 rc = PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1748 list, ai->bssListRidLen, 1);
1da177e4
LT		 1749
1750 list->len = le16_to_cpu(list->len);
1751 list->index = le16_to_cpu(list->index);
1752 list->radioType = le16_to_cpu(list->radioType);
1753 list->cap = le16_to_cpu(list->cap);
1754 list->beaconInterval = le16_to_cpu(list->beaconInterval);
1755 list->fh.dwell = le16_to_cpu(list->fh.dwell);
1756 list->dsChannel = le16_to_cpu(list->dsChannel);
1757 list->atimWindow = le16_to_cpu(list->atimWindow);
41480af2 1758 list->dBm = le16_to_cpu(list->dBm);
1da177e4
LT		 1759 return rc;
1760}
1761
1762static int readWepKeyRid(struct airo_info*ai, WepKeyRid *wkr, int temp, int lock) {
1763 int rc = PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1764 wkr, sizeof(*wkr), lock);
1765
1766 wkr->len = le16_to_cpu(wkr->len);
1767 wkr->kindex = le16_to_cpu(wkr->kindex);
1768 wkr->klen = le16_to_cpu(wkr->klen);
1769 return rc;
1770}
1771/* In the writeXXXRid routines we copy the rids so that we don't screwup
1772 * the originals when we endian them... */
1773static int writeWepKeyRid(struct airo_info*ai, WepKeyRid *pwkr, int perm, int lock) {
1774 int rc;
1775 WepKeyRid wkr = *pwkr;
1776
1777 wkr.len = cpu_to_le16(wkr.len);
1778 wkr.kindex = cpu_to_le16(wkr.kindex);
1779 wkr.klen = cpu_to_le16(wkr.klen);
1780 rc = PC4500_writerid(ai, RID_WEP_TEMP, &wkr, sizeof(wkr), lock);
934d8bf1 1781 if (rc!=SUCCESS) airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1da177e4
LT		 1782 if (perm) {
1783 rc = PC4500_writerid(ai, RID_WEP_PERM, &wkr, sizeof(wkr), lock);
1784 if (rc!=SUCCESS) {
934d8bf1 1785 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1da177e4
LT		 1786 }
1787 }
1788 return rc;
1789}
1790
1791static int readSsidRid(struct airo_info*ai, SsidRid *ssidr) {
1792 int i;
1793 int rc = PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1794
1795 ssidr->len = le16_to_cpu(ssidr->len);
1796 for(i = 0; i < 3; i++) {
1797 ssidr->ssids[i].len = le16_to_cpu(ssidr->ssids[i].len);
1798 }
1799 return rc;
1800}
1801static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock) {
1802 int rc;
1803 int i;
1804 SsidRid ssidr = *pssidr;
1805
1806 ssidr.len = cpu_to_le16(ssidr.len);
1807 for(i = 0; i < 3; i++) {
1808 ssidr.ssids[i].len = cpu_to_le16(ssidr.ssids[i].len);
1809 }
1810 rc = PC4500_writerid(ai, RID_SSID, &ssidr, sizeof(ssidr), lock);
1811 return rc;
1812}
1813static int readConfigRid(struct airo_info*ai, int lock) {
1814 int rc;
1815 u16 *s;
1816 ConfigRid cfg;
1817
1818 if (ai->config.len)
1819 return SUCCESS;
1820
1821 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1822 if (rc != SUCCESS)
1823 return rc;
1824
1825 for(s = &cfg.len; s <= &cfg.rtsThres; s++) *s = le16_to_cpu(*s);
1826
1827 for(s = &cfg.shortRetryLimit; s <= &cfg.radioType; s++)
1828 *s = le16_to_cpu(*s);
1829
1830 for(s = &cfg.txPower; s <= &cfg.radioSpecific; s++)
1831 *s = le16_to_cpu(*s);
1832
1833 for(s = &cfg.arlThreshold; s <= &cfg._reserved4[0]; s++)
1834 *s = cpu_to_le16(*s);
1835
1836 for(s = &cfg.autoWake; s <= &cfg.autoWake; s++)
1837 *s = cpu_to_le16(*s);
1838
1839 ai->config = cfg;
1840 return SUCCESS;
1841}
1842static inline void checkThrottle(struct airo_info *ai) {
1843 int i;
1844/* Old hardware had a limit on encryption speed */
1845 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1846 for(i=0; i<8; i++) {
1847 if (ai->config.rates[i] > maxencrypt) {
1848 ai->config.rates[i] = 0;
1849 }
1850 }
1851 }
1852}
1853static int writeConfigRid(struct airo_info*ai, int lock) {
1854 u16 *s;
1855 ConfigRid cfgr;
1856
1857 if (!test_bit (FLAG_COMMIT, &ai->flags))
1858 return SUCCESS;
1859
1860 clear_bit (FLAG_COMMIT, &ai->flags);
1861 clear_bit (FLAG_RESET, &ai->flags);
1862 checkThrottle(ai);
1863 cfgr = ai->config;
1864
1865 if ((cfgr.opmode & 0xFF) == MODE_STA_IBSS)
1866 set_bit(FLAG_ADHOC, &ai->flags);
1867 else
1868 clear_bit(FLAG_ADHOC, &ai->flags);
1869
1870 for(s = &cfgr.len; s <= &cfgr.rtsThres; s++) *s = cpu_to_le16(*s);
1871
1872 for(s = &cfgr.shortRetryLimit; s <= &cfgr.radioType; s++)
1873 *s = cpu_to_le16(*s);
1874
1875 for(s = &cfgr.txPower; s <= &cfgr.radioSpecific; s++)
1876 *s = cpu_to_le16(*s);
1877
1878 for(s = &cfgr.arlThreshold; s <= &cfgr._reserved4[0]; s++)
1879 *s = cpu_to_le16(*s);
1880
1881 for(s = &cfgr.autoWake; s <= &cfgr.autoWake; s++)
1882 *s = cpu_to_le16(*s);
1883
1884 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1885}
1886static int readStatusRid(struct airo_info*ai, StatusRid *statr, int lock) {
1887 int rc = PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1888 u16 *s;
1889
1890 statr->len = le16_to_cpu(statr->len);
1891 for(s = &statr->mode; s <= &statr->SSIDlen; s++) *s = le16_to_cpu(*s);
1892
1893 for(s = &statr->beaconPeriod; s <= &statr->shortPreamble; s++)
1894 *s = le16_to_cpu(*s);
1895 statr->load = le16_to_cpu(statr->load);
1896 statr->assocStatus = le16_to_cpu(statr->assocStatus);
1897 return rc;
1898}
1899static int readAPListRid(struct airo_info*ai, APListRid *aplr) {
1900 int rc = PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1901 aplr->len = le16_to_cpu(aplr->len);
1902 return rc;
1903}
1904static int writeAPListRid(struct airo_info*ai, APListRid *aplr, int lock) {
1905 int rc;
1906 aplr->len = cpu_to_le16(aplr->len);
1907 rc = PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1908 return rc;
1909}
1910static int readCapabilityRid(struct airo_info*ai, CapabilityRid *capr, int lock) {
1911 int rc = PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1912 u16 *s;
1913
1914 capr->len = le16_to_cpu(capr->len);
1915 capr->prodNum = le16_to_cpu(capr->prodNum);
1916 capr->radioType = le16_to_cpu(capr->radioType);
1917 capr->country = le16_to_cpu(capr->country);
1918 for(s = &capr->txPowerLevels[0]; s <= &capr->requiredHard; s++)
1919 *s = le16_to_cpu(*s);
1920 return rc;
1921}
1922static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) {
1923 int rc = PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1924 u32 *i;
1925
1926 sr->len = le16_to_cpu(sr->len);
1927 for(i = &sr->vals[0]; i <= &sr->vals[99]; i++) *i = le32_to_cpu(*i);
1928 return rc;
1929}
1930
1c2b7db8
MS		 1931static void try_auto_wep(struct airo_info *ai)
1932{
1933 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1934 ai->expires = RUN_AT(3*HZ);
1935 wake_up_interruptible(&ai->thr_wait);
1936 }
1937}
1938
1da177e4 1939static int airo_open(struct net_device *dev) {
1c2b7db8 1940 struct airo_info *ai = dev->priv;
1c2b7db8 1941 int rc = 0;
1da177e4 1942
1c2b7db8 1943 if (test_bit(FLAG_FLASHING, &ai->flags))
1da177e4
LT		 1944 return -EIO;
1945
1946 /* Make sure the card is configured.
1947 * Wireless Extensions may postpone config changes until the card
1948 * is open (to pipeline changes and speed-up card setup). If
1949 * those changes are not yet commited, do it now - Jean II */
1c2b7db8
MS		 1950 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1951 disable_MAC(ai, 1);
1952 writeConfigRid(ai, 1);
1da177e4
LT		 1953 }
1954
1c2b7db8
MS		 1955 if (ai->wifidev != dev) {
1956 clear_bit(JOB_DIE, &ai->jobs);
1957 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1958 if (IS_ERR(ai->airo_thread_task))
1959 return (int)PTR_ERR(ai->airo_thread_task);
1960
1961 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1962 dev->name, dev);
1963 if (rc) {
1964 airo_print_err(dev->name,
1965 "register interrupt %d failed, rc %d",
1966 dev->irq, rc);
1967 set_bit(JOB_DIE, &ai->jobs);
1968 kthread_stop(ai->airo_thread_task);
1969 return rc;
1970 }
1971
1da177e4 1972 /* Power on the MAC controller (which may have been disabled) */
1c2b7db8
MS		 1973 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1974 enable_interrupts(ai);
1975
1976 try_auto_wep(ai);
1da177e4 1977 }
175ec1a1 1978 enable_MAC(ai, 1);
1da177e4
LT		 1979
1980 netif_start_queue(dev);
1981 return 0;
1982}
1983
1984static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1985 int npacks, pending;
1986 unsigned long flags;
1987 struct airo_info *ai = dev->priv;
1988
1989 if (!skb) {
934d8bf1 1990 airo_print_err(dev->name, "%s: skb == NULL!",__FUNCTION__);
1da177e4
LT		 1991 return 0;
1992 }
1993 npacks = skb_queue_len (&ai->txq);
1994
1995 if (npacks >= MAXTXQ - 1) {
1996 netif_stop_queue (dev);
1997 if (npacks > MAXTXQ) {
1998 ai->stats.tx_fifo_errors++;
1999 return 1;
2000 }
2001 skb_queue_tail (&ai->txq, skb);
2002 return 0;
2003 }
2004
2005 spin_lock_irqsave(&ai->aux_lock, flags);
2006 skb_queue_tail (&ai->txq, skb);
2007 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
2008 spin_unlock_irqrestore(&ai->aux_lock,flags);
2009 netif_wake_queue (dev);
2010
2011 if (pending == 0) {
2012 set_bit(FLAG_PENDING_XMIT, &ai->flags);
2013 mpi_send_packet (dev);
2014 }
2015 return 0;
2016}
2017
2018/*
2019 * @mpi_send_packet
2020 *
2021 * Attempt to transmit a packet. Can be called from interrupt
2022 * or transmit . return number of packets we tried to send
2023 */
2024
2025static int mpi_send_packet (struct net_device *dev)
2026{
2027 struct sk_buff *skb;
2028 unsigned char *buffer;
2029 s16 len, *payloadLen;
2030 struct airo_info *ai = dev->priv;
2031 u8 *sendbuf;
2032
2033 /* get a packet to send */
2034
2035 if ((skb = skb_dequeue(&ai->txq)) == 0) {
934d8bf1
DW		 2036 airo_print_err(dev->name,
2037 "%s: Dequeue'd zero in send_packet()",
1da177e4
LT		 2038 __FUNCTION__);
2039 return 0;
2040 }
2041
2042 /* check min length*/
2043 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2044 buffer = skb->data;
2045
2046 ai->txfids[0].tx_desc.offset = 0;
2047 ai->txfids[0].tx_desc.valid = 1;
2048 ai->txfids[0].tx_desc.eoc = 1;
2049 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
2050
2051/*
2052 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
2053 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
2054 * is immediatly after it. ------------------------------------------------
2055 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
2056 * ------------------------------------------------
2057 */
2058
2059 memcpy((char *)ai->txfids[0].virtual_host_addr,
2060 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2061
2062 payloadLen = (s16 *)(ai->txfids[0].virtual_host_addr +
2063 sizeof(wifictlhdr8023));
2064 sendbuf = ai->txfids[0].virtual_host_addr +
2065 sizeof(wifictlhdr8023) + 2 ;
2066
2067 /*
2068 * Firmware automaticly puts 802 header on so
2069 * we don't need to account for it in the length
2070 */
1da177e4
LT		 2071 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2072 (ntohs(((u16 *)buffer)[6]) != 0x888E)) {
2073 MICBuffer pMic;
2074
2075 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2076 return ERROR;
2077
2078 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2079 ai->txfids[0].tx_desc.len += sizeof(pMic);
2080 /* copy data into airo dma buffer */
2081 memcpy (sendbuf, buffer, sizeof(etherHead));
2082 buffer += sizeof(etherHead);
2083 sendbuf += sizeof(etherHead);
2084 memcpy (sendbuf, &pMic, sizeof(pMic));
2085 sendbuf += sizeof(pMic);
2086 memcpy (sendbuf, buffer, len - sizeof(etherHead));
a39d3e79 2087 } else {
1da177e4
LT		 2088 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2089
2090 dev->trans_start = jiffies;
2091
2092 /* copy data into airo dma buffer */
2093 memcpy(sendbuf, buffer, len);
2094 }
2095
2096 memcpy_toio(ai->txfids[0].card_ram_off,
2097 &ai->txfids[0].tx_desc, sizeof(TxFid));
2098
2099 OUT4500(ai, EVACK, 8);
2100
2101 dev_kfree_skb_any(skb);
2102 return 1;
2103}
2104
29b09fcc 2105static void get_tx_error(struct airo_info *ai, s32 fid)
1da177e4
LT		 2106{
2107 u16 status;
2108
2109 if (fid < 0)
2110 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2111 else {
2112 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2113 return;
2114 bap_read(ai, &status, 2, BAP0);
2115 }
2116 if (le16_to_cpu(status) & 2) /* Too many retries */
2117 ai->stats.tx_aborted_errors++;
2118 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2119 ai->stats.tx_heartbeat_errors++;
2120 if (le16_to_cpu(status) & 8) /* Aid fail */
2121 { }
2122 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2123 ai->stats.tx_carrier_errors++;
2124 if (le16_to_cpu(status) & 0x20) /* Association lost */
2125 { }
2126 /* We produce a TXDROP event only for retry or lifetime
2127 * exceeded, because that's the only status that really mean
2128 * that this particular node went away.
2129 * Other errors means that *we* screwed up. - Jean II */
2130 if ((le16_to_cpu(status) & 2) ||
2131 (le16_to_cpu(status) & 4)) {
2132 union iwreq_data wrqu;
2133 char junk[0x18];
2134
2135 /* Faster to skip over useless data than to do
2136 * another bap_setup(). We are at offset 0x6 and
2137 * need to go to 0x18 and read 6 bytes - Jean II */
2138 bap_read(ai, (u16 *) junk, 0x18, BAP0);
2139
2140 /* Copy 802.11 dest address.
2141 * We use the 802.11 header because the frame may
2142 * not be 802.3 or may be mangled...
2143 * In Ad-Hoc mode, it will be the node address.
2144 * In managed mode, it will be most likely the AP addr
2145 * User space will figure out how to convert it to
2146 * whatever it needs (IP address or else).
2147 * - Jean II */
2148 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2149 wrqu.addr.sa_family = ARPHRD_ETHER;
2150
2151 /* Send event to user space */
2152 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2153 }
2154}
2155
2156static void airo_end_xmit(struct net_device *dev) {
2157 u16 status;
2158 int i;
2159 struct airo_info *priv = dev->priv;
2160 struct sk_buff *skb = priv->xmit.skb;
2161 int fid = priv->xmit.fid;
2162 u32 *fids = priv->fids;
2163
3c304956 2164 clear_bit(JOB_XMIT, &priv->jobs);
1da177e4
LT		 2165 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2166 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2167 up(&priv->sem);
2168
2169 i = 0;
2170 if ( status == SUCCESS ) {
2171 dev->trans_start = jiffies;
2172 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2173 } else {
2174 priv->fids[fid] &= 0xffff;
2175 priv->stats.tx_window_errors++;
2176 }
2177 if (i < MAX_FIDS / 2)
2178 netif_wake_queue(dev);
2179 dev_kfree_skb(skb);
2180}
2181
2182static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2183 s16 len;
2184 int i, j;
2185 struct airo_info *priv = dev->priv;
2186 u32 *fids = priv->fids;
2187
2188 if ( skb == NULL ) {
934d8bf1 2189 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
1da177e4
LT		 2190 return 0;
2191 }
2192
2193 /* Find a vacant FID */
2194 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2195 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2196
2197 if ( j >= MAX_FIDS / 2 ) {
2198 netif_stop_queue(dev);
2199
2200 if (i == MAX_FIDS / 2) {
2201 priv->stats.tx_fifo_errors++;
2202 return 1;
2203 }
2204 }
2205 /* check min length*/
2206 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2207 /* Mark fid as used & save length for later */
2208 fids[i] |= (len << 16);
2209 priv->xmit.skb = skb;
2210 priv->xmit.fid = i;
2211 if (down_trylock(&priv->sem) != 0) {
2212 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2213 netif_stop_queue(dev);
3c304956 2214 set_bit(JOB_XMIT, &priv->jobs);
1da177e4
LT		 2215 wake_up_interruptible(&priv->thr_wait);
2216 } else
2217 airo_end_xmit(dev);
2218 return 0;
2219}
2220
2221static void airo_end_xmit11(struct net_device *dev) {
2222 u16 status;
2223 int i;
2224 struct airo_info *priv = dev->priv;
2225 struct sk_buff *skb = priv->xmit11.skb;
2226 int fid = priv->xmit11.fid;
2227 u32 *fids = priv->fids;
2228
3c304956 2229 clear_bit(JOB_XMIT11, &priv->jobs);
1da177e4
LT		 2230 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2231 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2232 up(&priv->sem);
2233
2234 i = MAX_FIDS / 2;
2235 if ( status == SUCCESS ) {
2236 dev->trans_start = jiffies;
2237 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2238 } else {
2239 priv->fids[fid] &= 0xffff;
2240 priv->stats.tx_window_errors++;
2241 }
2242 if (i < MAX_FIDS)
2243 netif_wake_queue(dev);
2244 dev_kfree_skb(skb);
2245}
2246
2247static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2248 s16 len;
2249 int i, j;
2250 struct airo_info *priv = dev->priv;
2251 u32 *fids = priv->fids;
2252
2253 if (test_bit(FLAG_MPI, &priv->flags)) {
2254 /* Not implemented yet for MPI350 */
2255 netif_stop_queue(dev);
2256 return -ENETDOWN;
2257 }
2258
2259 if ( skb == NULL ) {
934d8bf1 2260 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
1da177e4
LT		 2261 return 0;
2262 }
2263
2264 /* Find a vacant FID */
2265 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2266 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2267
2268 if ( j >= MAX_FIDS ) {
2269 netif_stop_queue(dev);
2270
2271 if (i == MAX_FIDS) {
2272 priv->stats.tx_fifo_errors++;
2273 return 1;
2274 }
2275 }
2276 /* check min length*/
2277 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2278 /* Mark fid as used & save length for later */
2279 fids[i] |= (len << 16);
2280 priv->xmit11.skb = skb;
2281 priv->xmit11.fid = i;
2282 if (down_trylock(&priv->sem) != 0) {
2283 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2284 netif_stop_queue(dev);
3c304956 2285 set_bit(JOB_XMIT11, &priv->jobs);
1da177e4
LT		 2286 wake_up_interruptible(&priv->thr_wait);
2287 } else
2288 airo_end_xmit11(dev);
2289 return 0;
2290}
2291
2292static void airo_read_stats(struct airo_info *ai) {
2293 StatsRid stats_rid;
2294 u32 *vals = stats_rid.vals;
2295
3c304956 2296 clear_bit(JOB_STATS, &ai->jobs);
ca078bae 2297 if (ai->power.event) {
1da177e4
LT		 2298 up(&ai->sem);
2299 return;
2300 }
2301 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2302 up(&ai->sem);
2303
2304 ai->stats.rx_packets = vals[43] + vals[44] + vals[45];
2305 ai->stats.tx_packets = vals[39] + vals[40] + vals[41];
2306 ai->stats.rx_bytes = vals[92];
2307 ai->stats.tx_bytes = vals[91];
2308 ai->stats.rx_errors = vals[0] + vals[2] + vals[3] + vals[4];
2309 ai->stats.tx_errors = vals[42] + ai->stats.tx_fifo_errors;
2310 ai->stats.multicast = vals[43];
2311 ai->stats.collisions = vals[89];
2312
2313 /* detailed rx_errors: */
2314 ai->stats.rx_length_errors = vals[3];
2315 ai->stats.rx_crc_errors = vals[4];
2316 ai->stats.rx_frame_errors = vals[2];
2317 ai->stats.rx_fifo_errors = vals[0];
2318}
2319
ff1d2767 2320static struct net_device_stats *airo_get_stats(struct net_device *dev)
1da177e4
LT		 2321{
2322 struct airo_info *local = dev->priv;
2323
3c304956 2324 if (!test_bit(JOB_STATS, &local->jobs)) {
1da177e4
LT		 2325 /* Get stats out of the card if available */
2326 if (down_trylock(&local->sem) != 0) {
3c304956 2327 set_bit(JOB_STATS, &local->jobs);
1da177e4
LT		 2328 wake_up_interruptible(&local->thr_wait);
2329 } else
2330 airo_read_stats(local);
2331 }
2332
2333 return &local->stats;
2334}
2335
2336static void airo_set_promisc(struct airo_info *ai) {
2337 Cmd cmd;
2338 Resp rsp;
2339
2340 memset(&cmd, 0, sizeof(cmd));
2341 cmd.cmd=CMD_SETMODE;
3c304956 2342 clear_bit(JOB_PROMISC, &ai->jobs);
1da177e4
LT		 2343 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2344 issuecommand(ai, &cmd, &rsp);
2345 up(&ai->sem);
2346}
2347
2348static void airo_set_multicast_list(struct net_device *dev) {
2349 struct airo_info *ai = dev->priv;
2350
2351 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2352 change_bit(FLAG_PROMISC, &ai->flags);
2353 if (down_trylock(&ai->sem) != 0) {
3c304956 2354 set_bit(JOB_PROMISC, &ai->jobs);
1da177e4
LT		 2355 wake_up_interruptible(&ai->thr_wait);
2356 } else
2357 airo_set_promisc(ai);
2358 }
2359
2360 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2361 /* Turn on multicast. (Should be already setup...) */
2362 }
2363}
2364
2365static int airo_set_mac_address(struct net_device *dev, void *p)
2366{
2367 struct airo_info *ai = dev->priv;
2368 struct sockaddr *addr = p;
1da177e4
LT		 2369
2370 readConfigRid(ai, 1);
2371 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2372 set_bit (FLAG_COMMIT, &ai->flags);
2373 disable_MAC(ai, 1);
2374 writeConfigRid (ai, 1);
175ec1a1 2375 enable_MAC(ai, 1);
1da177e4
LT		 2376 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2377 if (ai->wifidev)
2378 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2379 return 0;
2380}
2381
2382static int airo_change_mtu(struct net_device *dev, int new_mtu)
2383{
2384 if ((new_mtu < 68) || (new_mtu > 2400))
2385 return -EINVAL;
2386 dev->mtu = new_mtu;
2387 return 0;
2388}
2389
af5b5c9a
MS		 2390static LIST_HEAD(airo_devices);
2391
2392static void add_airo_dev(struct airo_info *ai)
2393{
2394 /* Upper layers already keep track of PCI devices,
2395 * so we only need to remember our non-PCI cards. */
2396 if (!ai->pci)
2397 list_add_tail(&ai->dev_list, &airo_devices);
2398}
2399
2400static void del_airo_dev(struct airo_info *ai)
2401{
2402 if (!ai->pci)
2403 list_del(&ai->dev_list);
2404}
1da177e4
LT		 2405
2406static int airo_close(struct net_device *dev) {
2407 struct airo_info *ai = dev->priv;
2408
2409 netif_stop_queue(dev);
2410
2411 if (ai->wifidev != dev) {
2412#ifdef POWER_ON_DOWN
2413 /* Shut power to the card. The idea is that the user can save
2414 * power when he doesn't need the card with "ifconfig down".
2415 * That's the method that is most friendly towards the network
2416 * stack (i.e. the network stack won't try to broadcast
2417 * anything on the interface and routes are gone. Jean II */
2418 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2419 disable_MAC(ai, 1);
2420#endif
2421 disable_interrupts( ai );
1c2b7db8
MS		 2422
2423 free_irq(dev->irq, dev);
2424
2425 set_bit(JOB_DIE, &ai->jobs);
2426 kthread_stop(ai->airo_thread_task);
1da177e4
LT		 2427 }
2428 return 0;
2429}
2430
1da177e4
LT		 2431void stop_airo_card( struct net_device *dev, int freeres )
2432{
2433 struct airo_info *ai = dev->priv;
2434
2435 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2436 disable_MAC(ai, 1);
2437 disable_interrupts(ai);
1da177e4
LT		 2438 takedown_proc_entry( dev, ai );
2439 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2440 unregister_netdev( dev );
2441 if (ai->wifidev) {
2442 unregister_netdev(ai->wifidev);
2443 free_netdev(ai->wifidev);
2444 ai->wifidev = NULL;
2445 }
2446 clear_bit(FLAG_REGISTERED, &ai->flags);
2447 }
1da177e4
LT		 2448 /*
2449 * Clean out tx queue
2450 */
b03efcfb 2451 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
1da177e4
LT		 2452 struct sk_buff *skb = NULL;
2453 for (;(skb = skb_dequeue(&ai->txq));)
2454 dev_kfree_skb(skb);
2455 }
2456
9e75af30
DW		 2457 airo_networks_free (ai);
2458
b4558ea9
JJ		 2459 kfree(ai->flash);
2460 kfree(ai->rssi);
2461 kfree(ai->APList);
2462 kfree(ai->SSID);
1da177e4
LT		 2463 if (freeres) {
2464 /* PCMCIA frees this stuff, so only for PCI and ISA */
2465 release_region( dev->base_addr, 64 );
2466 if (test_bit(FLAG_MPI, &ai->flags)) {
2467 if (ai->pci)
2468 mpi_unmap_card(ai->pci);
2469 if (ai->pcimem)
2470 iounmap(ai->pcimem);
2471 if (ai->pciaux)
2472 iounmap(ai->pciaux);
2473 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2474 ai->shared, ai->shared_dma);
2475 }
2476 }
f12cc209 2477 crypto_free_cipher(ai->tfm);
af5b5c9a 2478 del_airo_dev(ai);
1da177e4
LT		 2479 free_netdev( dev );
2480}
2481
2482EXPORT_SYMBOL(stop_airo_card);
2483
ff1d2767 2484static int wll_header_parse(struct sk_buff *skb, unsigned char *haddr)
1da177e4 2485{
98e399f8 2486 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
1da177e4
LT		 2487 return ETH_ALEN;
2488}
2489
2490static void mpi_unmap_card(struct pci_dev *pci)
2491{
2492 unsigned long mem_start = pci_resource_start(pci, 1);
2493 unsigned long mem_len = pci_resource_len(pci, 1);
2494 unsigned long aux_start = pci_resource_start(pci, 2);
2495 unsigned long aux_len = AUXMEMSIZE;
2496
2497 release_mem_region(aux_start, aux_len);
2498 release_mem_region(mem_start, mem_len);
2499}
2500
2501/*************************************************************
2502 * This routine assumes that descriptors have been setup .
2503 * Run at insmod time or after reset when the decriptors
2504 * have been initialized . Returns 0 if all is well nz
2505 * otherwise . Does not allocate memory but sets up card
2506 * using previously allocated descriptors.
2507 */
2508static int mpi_init_descriptors (struct airo_info *ai)
2509{
2510 Cmd cmd;
2511 Resp rsp;
2512 int i;
2513 int rc = SUCCESS;
2514
2515 /* Alloc card RX descriptors */
2516 netif_stop_queue(ai->dev);
2517
2518 memset(&rsp,0,sizeof(rsp));
2519 memset(&cmd,0,sizeof(cmd));
2520
2521 cmd.cmd = CMD_ALLOCATEAUX;
2522 cmd.parm0 = FID_RX;
2523 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2524 cmd.parm2 = MPI_MAX_FIDS;
2525 rc=issuecommand(ai, &cmd, &rsp);
2526 if (rc != SUCCESS) {
934d8bf1 2527 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
1da177e4
LT		 2528 return rc;
2529 }
2530
2531 for (i=0; i<MPI_MAX_FIDS; i++) {
2532 memcpy_toio(ai->rxfids[i].card_ram_off,
2533 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2534 }
2535
2536 /* Alloc card TX descriptors */
2537
2538 memset(&rsp,0,sizeof(rsp));
2539 memset(&cmd,0,sizeof(cmd));
2540
2541 cmd.cmd = CMD_ALLOCATEAUX;
2542 cmd.parm0 = FID_TX;
2543 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2544 cmd.parm2 = MPI_MAX_FIDS;
2545
2546 for (i=0; i<MPI_MAX_FIDS; i++) {
2547 ai->txfids[i].tx_desc.valid = 1;
2548 memcpy_toio(ai->txfids[i].card_ram_off,
2549 &ai->txfids[i].tx_desc, sizeof(TxFid));
2550 }
2551 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2552
2553 rc=issuecommand(ai, &cmd, &rsp);
2554 if (rc != SUCCESS) {
934d8bf1 2555 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
1da177e4
LT		 2556 return rc;
2557 }
2558
2559 /* Alloc card Rid descriptor */
2560 memset(&rsp,0,sizeof(rsp));
2561 memset(&cmd,0,sizeof(cmd));
2562
2563 cmd.cmd = CMD_ALLOCATEAUX;
2564 cmd.parm0 = RID_RW;
2565 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2566 cmd.parm2 = 1; /* Magic number... */
2567 rc=issuecommand(ai, &cmd, &rsp);
2568 if (rc != SUCCESS) {
934d8bf1 2569 airo_print_err(ai->dev->name, "Couldn't allocate RID");
1da177e4
LT		 2570 return rc;
2571 }
2572
2573 memcpy_toio(ai->config_desc.card_ram_off,
2574 &ai->config_desc.rid_desc, sizeof(Rid));
2575
2576 return rc;
2577}
2578
2579/*
2580 * We are setting up three things here:
2581 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2582 * 2) Map PCI memory for issueing commands.
2583 * 3) Allocate memory (shared) to send and receive ethernet frames.
2584 */
1138c37b 2585static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
1da177e4
LT		 2586{
2587 unsigned long mem_start, mem_len, aux_start, aux_len;
2588 int rc = -1;
2589 int i;
2759c8d5
JG		 2590 dma_addr_t busaddroff;
2591 unsigned char *vpackoff;
1da177e4
LT		 2592 unsigned char __iomem *pciaddroff;
2593
2594 mem_start = pci_resource_start(pci, 1);
2595 mem_len = pci_resource_len(pci, 1);
2596 aux_start = pci_resource_start(pci, 2);
2597 aux_len = AUXMEMSIZE;
2598
1138c37b
MS		 2599 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2600 airo_print_err("", "Couldn't get region %x[%x]",
2601 (int)mem_start, (int)mem_len);
1da177e4
LT		 2602 goto out;
2603 }
1138c37b
MS		 2604 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2605 airo_print_err("", "Couldn't get region %x[%x]",
2606 (int)aux_start, (int)aux_len);
1da177e4
LT		 2607 goto free_region1;
2608 }
2609
2610 ai->pcimem = ioremap(mem_start, mem_len);
2611 if (!ai->pcimem) {
1138c37b
MS		 2612 airo_print_err("", "Couldn't map region %x[%x]",
2613 (int)mem_start, (int)mem_len);
1da177e4
LT		 2614 goto free_region2;
2615 }
2616 ai->pciaux = ioremap(aux_start, aux_len);
2617 if (!ai->pciaux) {
1138c37b
MS		 2618 airo_print_err("", "Couldn't map region %x[%x]",
2619 (int)aux_start, (int)aux_len);
1da177e4
LT		 2620 goto free_memmap;
2621 }
2622
2623 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2624 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2625 if (!ai->shared) {
1138c37b
MS		 2626 airo_print_err("", "Couldn't alloc_consistent %d",
2627 PCI_SHARED_LEN);
1da177e4
LT		 2628 goto free_auxmap;
2629 }
2630
2631 /*
2632 * Setup descriptor RX, TX, CONFIG
2633 */
2759c8d5 2634 busaddroff = ai->shared_dma;
1da177e4
LT		 2635 pciaddroff = ai->pciaux + AUX_OFFSET;
2636 vpackoff = ai->shared;
2637
2638 /* RX descriptor setup */
2639 for(i = 0; i < MPI_MAX_FIDS; i++) {
2640 ai->rxfids[i].pending = 0;
2641 ai->rxfids[i].card_ram_off = pciaddroff;
2642 ai->rxfids[i].virtual_host_addr = vpackoff;
2759c8d5 2643 ai->rxfids[i].rx_desc.host_addr = busaddroff;
1da177e4
LT		 2644 ai->rxfids[i].rx_desc.valid = 1;
2645 ai->rxfids[i].rx_desc.len = PKTSIZE;
2646 ai->rxfids[i].rx_desc.rdy = 0;
2647
2648 pciaddroff += sizeof(RxFid);
2649 busaddroff += PKTSIZE;
2650 vpackoff += PKTSIZE;
2651 }
2652
2653 /* TX descriptor setup */
2654 for(i = 0; i < MPI_MAX_FIDS; i++) {
2655 ai->txfids[i].card_ram_off = pciaddroff;
2656 ai->txfids[i].virtual_host_addr = vpackoff;
2657 ai->txfids[i].tx_desc.valid = 1;
2759c8d5 2658 ai->txfids[i].tx_desc.host_addr = busaddroff;
1da177e4
LT		 2659 memcpy(ai->txfids[i].virtual_host_addr,
2660 &wifictlhdr8023, sizeof(wifictlhdr8023));
2661
2662 pciaddroff += sizeof(TxFid);
2663 busaddroff += PKTSIZE;
2664 vpackoff += PKTSIZE;
2665 }
2666 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2667
2668 /* Rid descriptor setup */
2669 ai->config_desc.card_ram_off = pciaddroff;
2670 ai->config_desc.virtual_host_addr = vpackoff;
2759c8d5
JG		 2671 ai->config_desc.rid_desc.host_addr = busaddroff;
2672 ai->ridbus = busaddroff;
1da177e4
LT		 2673 ai->config_desc.rid_desc.rid = 0;
2674 ai->config_desc.rid_desc.len = RIDSIZE;
2675 ai->config_desc.rid_desc.valid = 1;
2676 pciaddroff += sizeof(Rid);
2677 busaddroff += RIDSIZE;
2678 vpackoff += RIDSIZE;
2679
2680 /* Tell card about descriptors */
2681 if (mpi_init_descriptors (ai) != SUCCESS)
2682 goto free_shared;
2683
2684 return 0;
2685 free_shared:
2686 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2687 free_auxmap:
2688 iounmap(ai->pciaux);
2689 free_memmap:
2690 iounmap(ai->pcimem);
2691 free_region2:
2692 release_mem_region(aux_start, aux_len);
2693 free_region1:
2694 release_mem_region(mem_start, mem_len);
2695 out:
2696 return rc;
2697}
2698
2699static void wifi_setup(struct net_device *dev)
2700{
2701 dev->hard_header = NULL;
2702 dev->rebuild_header = NULL;
2703 dev->hard_header_cache = NULL;
2704 dev->header_cache_update= NULL;
2705
2706 dev->hard_header_parse = wll_header_parse;
2707 dev->hard_start_xmit = &airo_start_xmit11;
2708 dev->get_stats = &airo_get_stats;
2709 dev->set_mac_address = &airo_set_mac_address;
2710 dev->do_ioctl = &airo_ioctl;
1da177e4 2711 dev->wireless_handlers = &airo_handler_def;
1da177e4
LT		 2712 dev->change_mtu = &airo_change_mtu;
2713 dev->open = &airo_open;
2714 dev->stop = &airo_close;
2715
2716 dev->type = ARPHRD_IEEE80211;
2717 dev->hard_header_len = ETH_HLEN;
15db2763 2718 dev->mtu = AIRO_DEF_MTU;
1da177e4
LT		 2719 dev->addr_len = ETH_ALEN;
2720 dev->tx_queue_len = 100;
2721
2722 memset(dev->broadcast,0xFF, ETH_ALEN);
2723
2724 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2725}
2726
2727static struct net_device *init_wifidev(struct airo_info *ai,
2728 struct net_device *ethdev)
2729{
2730 int err;
2731 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2732 if (!dev)
2733 return NULL;
2734 dev->priv = ethdev->priv;
2735 dev->irq = ethdev->irq;
2736 dev->base_addr = ethdev->base_addr;
1da177e4 2737 dev->wireless_data = ethdev->wireless_data;
1da177e4
LT		 2738 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2739 err = register_netdev(dev);
2740 if (err<0) {
2741 free_netdev(dev);
2742 return NULL;
2743 }
2744 return dev;
2745}
2746
ff1d2767 2747static int reset_card( struct net_device *dev , int lock) {
1da177e4
LT		 2748 struct airo_info *ai = dev->priv;
2749
2750 if (lock && down_interruptible(&ai->sem))
2751 return -1;
2752 waitbusy (ai);
2753 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2754 msleep(200);
2755 waitbusy (ai);
2756 msleep(200);
2757 if (lock)
2758 up(&ai->sem);
2759 return 0;
2760}
2761
3c304956 2762#define AIRO_MAX_NETWORK_COUNT 64
9e75af30
DW		 2763static int airo_networks_allocate(struct airo_info *ai)
2764{
2765 if (ai->networks)
2766 return 0;
2767
2768 ai->networks =
3c304956 2769 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
9e75af30
DW		 2770 GFP_KERNEL);
2771 if (!ai->networks) {
1138c37b 2772 airo_print_warn("", "Out of memory allocating beacons");
9e75af30
DW		 2773 return -ENOMEM;
2774 }
2775
2776 return 0;
2777}
2778
2779static void airo_networks_free(struct airo_info *ai)
2780{
9e75af30
DW		 2781 kfree(ai->networks);
2782 ai->networks = NULL;
2783}
2784
2785static void airo_networks_initialize(struct airo_info *ai)
2786{
2787 int i;
2788
2789 INIT_LIST_HEAD(&ai->network_free_list);
2790 INIT_LIST_HEAD(&ai->network_list);
3c304956 2791 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
9e75af30
DW		 2792 list_add_tail(&ai->networks[i].list,
2793 &ai->network_free_list);
2794}
2795
3c304956
DW		 2796static int airo_test_wpa_capable(struct airo_info *ai)
2797{
2798 int status;
2799 CapabilityRid cap_rid;
3c304956
DW		 2800
2801 status = readCapabilityRid(ai, &cap_rid, 1);
2802 if (status != SUCCESS) return 0;
2803
2804 /* Only firmware versions 5.30.17 or better can do WPA */
2805 if ((cap_rid.softVer > 0x530)
0c6157a3 2806 || ((cap_rid.softVer == 0x530) && (cap_rid.softSubVer >= 17))) {
1138c37b 2807 airo_print_info("", "WPA is supported.");
3c304956
DW		 2808 return 1;
2809 }
2810
2811 /* No WPA support */
1138c37b 2812 airo_print_info("", "WPA unsupported (only firmware versions 5.30.17"
3c304956
DW		 2813 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2814 return 0;
2815}
2816
ff1d2767
JM		 2817static struct net_device *_init_airo_card( unsigned short irq, int port,
2818 int is_pcmcia, struct pci_dev *pci,
2819 struct device *dmdev )
1da177e4
LT		 2820{
2821 struct net_device *dev;
2822 struct airo_info *ai;
2823 int i, rc;
2824
2825 /* Create the network device object. */
1138c37b
MS		 2826 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2827 if (!dev) {
934d8bf1 2828 airo_print_err("", "Couldn't alloc_etherdev");
1da177e4 2829 return NULL;
1da177e4
LT		 2830 }
2831
2832 ai = dev->priv;
2833 ai->wifidev = NULL;
2834 ai->flags = 0;
3c304956 2835 ai->jobs = 0;
934d8bf1 2836 ai->dev = dev;
1da177e4 2837 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
1138c37b 2838 airo_print_dbg("", "Found an MPI350 card");
1da177e4
LT		 2839 set_bit(FLAG_MPI, &ai->flags);
2840 }
1da177e4
LT		 2841 spin_lock_init(&ai->aux_lock);
2842 sema_init(&ai->sem, 1);
2843 ai->config.len = 0;
2844 ai->pci = pci;
2845 init_waitqueue_head (&ai->thr_wait);
1da177e4 2846 ai->tfm = NULL;
af5b5c9a 2847 add_airo_dev(ai);
1da177e4 2848
9e75af30 2849 if (airo_networks_allocate (ai))
1c2b7db8 2850 goto err_out_free;
9e75af30
DW		 2851 airo_networks_initialize (ai);
2852
1da177e4
LT		 2853 /* The Airo-specific entries in the device structure. */
2854 if (test_bit(FLAG_MPI,&ai->flags)) {
2855 skb_queue_head_init (&ai->txq);
2856 dev->hard_start_xmit = &mpi_start_xmit;
2857 } else
2858 dev->hard_start_xmit = &airo_start_xmit;
2859 dev->get_stats = &airo_get_stats;
2860 dev->set_multicast_list = &airo_set_multicast_list;
2861 dev->set_mac_address = &airo_set_mac_address;
2862 dev->do_ioctl = &airo_ioctl;
1da177e4
LT		 2863 dev->wireless_handlers = &airo_handler_def;
2864 ai->wireless_data.spy_data = &ai->spy_data;
2865 dev->wireless_data = &ai->wireless_data;
1da177e4
LT		 2866 dev->change_mtu = &airo_change_mtu;
2867 dev->open = &airo_open;
2868 dev->stop = &airo_close;
2869 dev->irq = irq;
2870 dev->base_addr = port;
2871
2872 SET_NETDEV_DEV(dev, dmdev);
1c2b7db8 2873 SET_MODULE_OWNER(dev);
1da177e4 2874
1d97f384
MC		 2875 reset_card (dev, 1);
2876 msleep(400);
1da177e4 2877
1da177e4 2878 if (!is_pcmcia) {
1138c37b 2879 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
1da177e4 2880 rc = -EBUSY;
934d8bf1 2881 airo_print_err(dev->name, "Couldn't request region");
1c2b7db8 2882 goto err_out_nets;
1da177e4
LT		 2883 }
2884 }
2885
2886 if (test_bit(FLAG_MPI,&ai->flags)) {
1138c37b
MS		 2887 if (mpi_map_card(ai, pci)) {
2888 airo_print_err("", "Could not map memory");
1da177e4
LT		 2889 goto err_out_res;
2890 }
2891 }
2892
2893 if (probe) {
2894 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
934d8bf1 2895 airo_print_err(dev->name, "MAC could not be enabled" );
1da177e4
LT		 2896 rc = -EIO;
2897 goto err_out_map;
2898 }
2899 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2900 ai->bap_read = fast_bap_read;
2901 set_bit(FLAG_FLASHING, &ai->flags);
2902 }
2903
3c304956
DW		 2904 /* Test for WPA support */
2905 if (airo_test_wpa_capable(ai)) {
2906 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2907 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2908 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2909 ai->bssListRidLen = sizeof(BSSListRid);
2910 } else {
2911 ai->bssListFirst = RID_BSSLISTFIRST;
2912 ai->bssListNext = RID_BSSLISTNEXT;
2913 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2914 }
2915
1138c37b 2916 strcpy(dev->name, "eth%d");
1da177e4
LT		 2917 rc = register_netdev(dev);
2918 if (rc) {
934d8bf1 2919 airo_print_err(dev->name, "Couldn't register_netdev");
1da177e4
LT		 2920 goto err_out_map;
2921 }
2922 ai->wifidev = init_wifidev(ai, dev);
431aca5a
FM		 2923 if (!ai->wifidev)
2924 goto err_out_reg;
1da177e4
LT		 2925
2926 set_bit(FLAG_REGISTERED,&ai->flags);
934d8bf1 2927 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
1da177e4
LT		 2928 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2929 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5] );
2930
2931 /* Allocate the transmit buffers */
2932 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2933 for( i = 0; i < MAX_FIDS; i++ )
15db2763 2934 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
1da177e4 2935
431aca5a
FM		 2936 if (setup_proc_entry(dev, dev->priv) < 0)
2937 goto err_out_wifi;
2938
1da177e4
LT		 2939 return dev;
2940
431aca5a
FM		 2941err_out_wifi:
2942 unregister_netdev(ai->wifidev);
2943 free_netdev(ai->wifidev);
2944err_out_reg:
2945 unregister_netdev(dev);
1da177e4
LT		 2946err_out_map:
2947 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2948 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2949 iounmap(ai->pciaux);
2950 iounmap(ai->pcimem);
2951 mpi_unmap_card(ai->pci);
2952 }
2953err_out_res:
2954 if (!is_pcmcia)
2955 release_region( dev->base_addr, 64 );
4d881901
MS		 2956err_out_nets:
2957 airo_networks_free(ai);
af5b5c9a 2958 del_airo_dev(ai);
1da177e4
LT		 2959err_out_free:
2960 free_netdev(dev);
2961 return NULL;
2962}
2963
2964struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2965 struct device *dmdev)
2966{
2967 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2968}
2969
2970EXPORT_SYMBOL(init_airo_card);
2971
2972static int waitbusy (struct airo_info *ai) {
2973 int delay = 0;
2974 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2975 udelay (10);
2976 if ((++delay % 20) == 0)
2977 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2978 }
2979 return delay < 10000;
2980}
2981
2982int reset_airo_card( struct net_device *dev )
2983{
2984 int i;
2985 struct airo_info *ai = dev->priv;
2986
2987 if (reset_card (dev, 1))
2988 return -1;
2989
2990 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
934d8bf1 2991 airo_print_err(dev->name, "MAC could not be enabled");
1da177e4
LT		 2992 return -1;
2993 }
934d8bf1 2994 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
1da177e4
LT		 2995 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2996 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
2997 /* Allocate the transmit buffers if needed */
2998 if (!test_bit(FLAG_MPI,&ai->flags))
2999 for( i = 0; i < MAX_FIDS; i++ )
15db2763 3000 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
1da177e4
LT		 3001
3002 enable_interrupts( ai );
3003 netif_wake_queue(dev);
3004 return 0;
3005}
3006
3007EXPORT_SYMBOL(reset_airo_card);
3008
3009static void airo_send_event(struct net_device *dev) {
3010 struct airo_info *ai = dev->priv;
3011 union iwreq_data wrqu;
3012 StatusRid status_rid;
3013
3c304956 3014 clear_bit(JOB_EVENT, &ai->jobs);
1da177e4
LT		 3015 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
3016 up(&ai->sem);
3017 wrqu.data.length = 0;
3018 wrqu.data.flags = 0;
3019 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
3020 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3021
3022 /* Send event to user space */
3023 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
3024}
3025
9e75af30
DW		 3026static void airo_process_scan_results (struct airo_info *ai) {
3027 union iwreq_data wrqu;
3c304956 3028 BSSListRid bss;
9e75af30
DW		 3029 int rc;
3030 BSSListElement * loop_net;
3031 BSSListElement * tmp_net;
3032
3033 /* Blow away current list of scan results */
3034 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3035 list_move_tail (&loop_net->list, &ai->network_free_list);
3036 /* Don't blow away ->list, just BSS data */
3037 memset (loop_net, 0, sizeof (loop_net->bss));
3038 }
3039
3040 /* Try to read the first entry of the scan result */
3c304956
DW		 3041 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3042 if((rc) || (bss.index == 0xffff)) {
9e75af30
DW		 3043 /* No scan results */
3044 goto out;
3045 }
3046
3047 /* Read and parse all entries */
3048 tmp_net = NULL;
3c304956 3049 while((!rc) && (bss.index != 0xffff)) {
9e75af30
DW		 3050 /* Grab a network off the free list */
3051 if (!list_empty(&ai->network_free_list)) {
3052 tmp_net = list_entry(ai->network_free_list.next,
3053 BSSListElement, list);
3054 list_del(ai->network_free_list.next);
3055 }
3056
3057 if (tmp_net != NULL) {
3c304956 3058 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
9e75af30
DW		 3059 list_add_tail(&tmp_net->list, &ai->network_list);
3060 tmp_net = NULL;
3061 }
3062
3063 /* Read next entry */
3c304956
DW		 3064 rc = PC4500_readrid(ai, ai->bssListNext,
3065 &bss, ai->bssListRidLen, 0);
9e75af30
DW		 3066 }
3067
3068out:
3069 ai->scan_timeout = 0;
3c304956 3070 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
9e75af30
DW		 3071 up(&ai->sem);
3072
3073 /* Send an empty event to user space.
3074 * We don't send the received data on
3075 * the event because it would require
3076 * us to do complex transcoding, and
3077 * we want to minimise the work done in
3078 * the irq handler. Use a request to
3079 * extract the data - Jean II */
3080 wrqu.data.length = 0;
3081 wrqu.data.flags = 0;
3082 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3083}
3084
1da177e4
LT		 3085static int airo_thread(void *data) {
3086 struct net_device *dev = data;
3087 struct airo_info *ai = dev->priv;
3088 int locked;
3089
1da177e4 3090 while(1) {
1da177e4 3091 /* make swsusp happy with our thread */
3e1d1d28 3092 try_to_freeze();
1da177e4 3093
3c304956 3094 if (test_bit(JOB_DIE, &ai->jobs))
1da177e4
LT		 3095 break;
3096
3c304956 3097 if (ai->jobs) {
1da177e4
LT		 3098 locked = down_interruptible(&ai->sem);
3099 } else {
3100 wait_queue_t wait;
3101
3102 init_waitqueue_entry(&wait, current);
3103 add_wait_queue(&ai->thr_wait, &wait);
3104 for (;;) {
3105 set_current_state(TASK_INTERRUPTIBLE);
3c304956 3106 if (ai->jobs)
1da177e4 3107 break;
9e75af30
DW		 3108 if (ai->expires || ai->scan_timeout) {
3109 if (ai->scan_timeout &&
3110 time_after_eq(jiffies,ai->scan_timeout)){
3c304956 3111 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
9e75af30
DW		 3112 break;
3113 } else if (ai->expires &&
3114 time_after_eq(jiffies,ai->expires)){
3c304956 3115 set_bit(JOB_AUTOWEP, &ai->jobs);
1da177e4
LT		 3116 break;
3117 }
5bb85f18
DK		 3118 if (!kthread_should_stop() &&
3119 !freezing(current)) {
9e75af30
DW		 3120 unsigned long wake_at;
3121 if (!ai->expires || !ai->scan_timeout) {
3122 wake_at = max(ai->expires,
3123 ai->scan_timeout);
3124 } else {
3125 wake_at = min(ai->expires,
3126 ai->scan_timeout);
3127 }
3128 schedule_timeout(wake_at - jiffies);
1da177e4
LT		 3129 continue;
3130 }
5bb85f18
DK		 3131 } else if (!kthread_should_stop() &&
3132 !freezing(current)) {
1da177e4
LT		 3133 schedule();
3134 continue;
3135 }
3136 break;
3137 }
3138 current->state = TASK_RUNNING;
3139 remove_wait_queue(&ai->thr_wait, &wait);
3140 locked = 1;
3141 }
3142
3143 if (locked)
3144 continue;
3145
3c304956 3146 if (test_bit(JOB_DIE, &ai->jobs)) {
1da177e4
LT		 3147 up(&ai->sem);
3148 break;
3149 }
3150
ca078bae 3151 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
1da177e4
LT		 3152 up(&ai->sem);
3153 continue;
3154 }
3155
3c304956 3156 if (test_bit(JOB_XMIT, &ai->jobs))
1da177e4 3157 airo_end_xmit(dev);
3c304956 3158 else if (test_bit(JOB_XMIT11, &ai->jobs))
1da177e4 3159 airo_end_xmit11(dev);
3c304956 3160 else if (test_bit(JOB_STATS, &ai->jobs))
1da177e4 3161 airo_read_stats(ai);
3c304956 3162 else if (test_bit(JOB_WSTATS, &ai->jobs))
1da177e4 3163 airo_read_wireless_stats(ai);
3c304956 3164 else if (test_bit(JOB_PROMISC, &ai->jobs))
1da177e4 3165 airo_set_promisc(ai);
3c304956 3166 else if (test_bit(JOB_MIC, &ai->jobs))
1da177e4 3167 micinit(ai);
3c304956 3168 else if (test_bit(JOB_EVENT, &ai->jobs))
1da177e4 3169 airo_send_event(dev);
3c304956 3170 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
1da177e4 3171 timer_func(dev);
3c304956 3172 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
9e75af30
DW		 3173 airo_process_scan_results(ai);
3174 else /* Shouldn't get here, but we make sure to unlock */
3175 up(&ai->sem);
1da177e4 3176 }
3b4c7d64
SB		 3177
3178 return 0;
1da177e4
LT		 3179}
3180
7d12e780 3181static irqreturn_t airo_interrupt ( int irq, void* dev_id) {
1da177e4
LT		 3182 struct net_device *dev = (struct net_device *)dev_id;
3183 u16 status;
3184 u16 fid;
3185 struct airo_info *apriv = dev->priv;
3186 u16 savedInterrupts = 0;
3187 int handled = 0;
3188
3189 if (!netif_device_present(dev))
3190 return IRQ_NONE;
3191
3192 for (;;) {
3193 status = IN4500( apriv, EVSTAT );
3194 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3195
3196 handled = 1;
3197
3198 if ( status & EV_AWAKE ) {
3199 OUT4500( apriv, EVACK, EV_AWAKE );
3200 OUT4500( apriv, EVACK, EV_AWAKE );
3201 }
3202
3203 if (!savedInterrupts) {
3204 savedInterrupts = IN4500( apriv, EVINTEN );
3205 OUT4500( apriv, EVINTEN, 0 );
3206 }
3207
3208 if ( status & EV_MIC ) {
3209 OUT4500( apriv, EVACK, EV_MIC );
1da177e4 3210 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3c304956 3211 set_bit(JOB_MIC, &apriv->jobs);
1da177e4
LT		 3212 wake_up_interruptible(&apriv->thr_wait);
3213 }
1da177e4
LT		 3214 }
3215 if ( status & EV_LINK ) {
3216 union iwreq_data wrqu;
6fcdf565 3217 int scan_forceloss = 0;
1da177e4
LT		 3218 /* The link status has changed, if you want to put a
3219 monitor hook in, do it here. (Remember that
3220 interrupts are still disabled!)
3221 */
3222 u16 newStatus = IN4500(apriv, LINKSTAT);
3223 OUT4500( apriv, EVACK, EV_LINK);
3224 /* Here is what newStatus means: */
3225#define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3226#define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3227#define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3228#define FORCELOSS 0x8003 /* Loss of sync - host request */
3229#define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3230#define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3231#define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3232#define ASSFAIL 0x8400 /* Association failure (low byte is reason
3233 code) */
3234#define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3235 code) */
6fcdf565
DW		 3236#define ASSOCIATED 0x0400 /* Associated */
3237#define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
1da177e4
LT		 3238#define RC_RESERVED 0 /* Reserved return code */
3239#define RC_NOREASON 1 /* Unspecified reason */
3240#define RC_AUTHINV 2 /* Previous authentication invalid */
3241#define RC_DEAUTH 3 /* Deauthenticated because sending station is
3242 leaving */
3243#define RC_NOACT 4 /* Disassociated due to inactivity */
3244#define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3245 all currently associated stations */
3246#define RC_BADCLASS2 6 /* Class 2 frame received from
3247 non-Authenticated station */
3248#define RC_BADCLASS3 7 /* Class 3 frame received from
3249 non-Associated station */
3250#define RC_STATLEAVE 8 /* Disassociated because sending station is
3251 leaving BSS */
3252#define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3253 Authenticated with the responding station */
6fcdf565
DW		 3254 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3255 scan_forceloss = 1;
3256 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
1da177e4
LT		 3257 if (auto_wep)
3258 apriv->expires = 0;
3b4c7d64
SB		 3259 if (apriv->list_bss_task)
3260 wake_up_process(apriv->list_bss_task);
1da177e4
LT		 3261 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3262 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
6fcdf565 3263
1da177e4 3264 if (down_trylock(&apriv->sem) != 0) {
3c304956 3265 set_bit(JOB_EVENT, &apriv->jobs);
1da177e4
LT		 3266 wake_up_interruptible(&apriv->thr_wait);
3267 } else
3268 airo_send_event(dev);
6fcdf565
DW		 3269 } else if (!scan_forceloss) {
3270 if (auto_wep && !apriv->expires) {
3271 apriv->expires = RUN_AT(3*HZ);
3272 wake_up_interruptible(&apriv->thr_wait);
3273 }
1da177e4
LT		 3274
3275 /* Send event to user space */
6fcdf565
DW		 3276 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3277 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
1da177e4
LT		 3278 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3279 }
3280 }
3281
3282 /* Check to see if there is something to receive */
3283 if ( status & EV_RX ) {
3284 struct sk_buff *skb = NULL;
3285 u16 fc, len, hdrlen = 0;
3286#pragma pack(1)
3287 struct {
3288 u16 status, len;
3289 u8 rssi[2];
3290 u8 rate;
3291 u8 freq;
3292 u16 tmp[4];
3293 } hdr;
3294#pragma pack()
3295 u16 gap;
3296 u16 tmpbuf[4];
3297 u16 *buffer;
3298
3299 if (test_bit(FLAG_MPI,&apriv->flags)) {
3300 if (test_bit(FLAG_802_11, &apriv->flags))
3301 mpi_receive_802_11(apriv);
3302 else
3303 mpi_receive_802_3(apriv);
3304 OUT4500(apriv, EVACK, EV_RX);
3305 goto exitrx;
3306 }
3307
3308 fid = IN4500( apriv, RXFID );
3309
3310 /* Get the packet length */
3311 if (test_bit(FLAG_802_11, &apriv->flags)) {
3312 bap_setup (apriv, fid, 4, BAP0);
3313 bap_read (apriv, (u16*)&hdr, sizeof(hdr), BAP0);
3314 /* Bad CRC. Ignore packet */
3315 if (le16_to_cpu(hdr.status) & 2)
3316 hdr.len = 0;
3317 if (apriv->wifidev == NULL)
3318 hdr.len = 0;
3319 } else {
3320 bap_setup (apriv, fid, 0x36, BAP0);
3321 bap_read (apriv, (u16*)&hdr.len, 2, BAP0);
3322 }
3323 len = le16_to_cpu(hdr.len);
3324
15db2763 3325 if (len > AIRO_DEF_MTU) {
934d8bf1 3326 airo_print_err(apriv->dev->name, "Bad size %d", len);
1da177e4
LT		 3327 goto badrx;
3328 }
3329 if (len == 0)
3330 goto badrx;
3331
3332 if (test_bit(FLAG_802_11, &apriv->flags)) {
3333 bap_read (apriv, (u16*)&fc, sizeof(fc), BAP0);
3334 fc = le16_to_cpu(fc);
3335 switch (fc & 0xc) {
3336 case 4:
3337 if ((fc & 0xe0) == 0xc0)
3338 hdrlen = 10;
3339 else
3340 hdrlen = 16;
3341 break;
3342 case 8:
3343 if ((fc&0x300)==0x300){
3344 hdrlen = 30;
3345 break;
3346 }
3347 default:
3348 hdrlen = 24;
3349 }
3350 } else
3351 hdrlen = ETH_ALEN * 2;
3352
3353 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3354 if ( !skb ) {
3355 apriv->stats.rx_dropped++;
3356 goto badrx;
3357 }
3358 skb_reserve(skb, 2); /* This way the IP header is aligned */
3359 buffer = (u16*)skb_put (skb, len + hdrlen);
3360 if (test_bit(FLAG_802_11, &apriv->flags)) {
3361 buffer[0] = fc;
3362 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3363 if (hdrlen == 24)
3364 bap_read (apriv, tmpbuf, 6, BAP0);
3365
3366 bap_read (apriv, &gap, sizeof(gap), BAP0);
3367 gap = le16_to_cpu(gap);
3368 if (gap) {
934d8bf1 3369 if (gap <= 8) {
1da177e4 3370 bap_read (apriv, tmpbuf, gap, BAP0);
934d8bf1
DW		 3371 } else {
3372 airo_print_err(apriv->dev->name, "gaplen too "
3373 "big. Problems will follow...");
3374 }
1da177e4
LT		 3375 }
3376 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3377 } else {
1da177e4 3378 MICBuffer micbuf;
1da177e4 3379 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
1da177e4
LT		 3380 if (apriv->micstats.enabled) {
3381 bap_read (apriv,(u16*)&micbuf,sizeof(micbuf),BAP0);
3382 if (ntohs(micbuf.typelen) > 0x05DC)
3383 bap_setup (apriv, fid, 0x44, BAP0);
3384 else {
3385 if (len <= sizeof(micbuf))
3386 goto badmic;
3387
3388 len -= sizeof(micbuf);
3389 skb_trim (skb, len + hdrlen);
3390 }
3391 }
1da177e4 3392 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
1da177e4
LT		 3393 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3394badmic:
3395 dev_kfree_skb_irq (skb);
1da177e4
LT		 3396badrx:
3397 OUT4500( apriv, EVACK, EV_RX);
3398 goto exitrx;
3399 }
3400 }
3401#ifdef WIRELESS_SPY
3402 if (apriv->spy_data.spy_number > 0) {
3403 char *sa;
3404 struct iw_quality wstats;
3405 /* Prepare spy data : addr + qual */
3406 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3407 sa = (char*)buffer + 6;
3408 bap_setup (apriv, fid, 8, BAP0);
3409 bap_read (apriv, (u16*)hdr.rssi, 2, BAP0);
3410 } else
3411 sa = (char*)buffer + 10;
3412 wstats.qual = hdr.rssi[0];
3413 if (apriv->rssi)
3414 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3415 else
3416 wstats.level = (hdr.rssi[1] + 321) / 2;
41480af2
DW		 3417 wstats.noise = apriv->wstats.qual.noise;
3418 wstats.updated = IW_QUAL_LEVEL_UPDATED
3419 | IW_QUAL_QUAL_UPDATED
ce6623c3 3420 | IW_QUAL_DBM;
1da177e4
LT		 3421 /* Update spy records */
3422 wireless_spy_update(dev, sa, &wstats);
3423 }
3424#endif /* WIRELESS_SPY */
3425 OUT4500( apriv, EVACK, EV_RX);
3426
3427 if (test_bit(FLAG_802_11, &apriv->flags)) {
459a98ed 3428 skb_reset_mac_header(skb);
1da177e4
LT		 3429 skb->pkt_type = PACKET_OTHERHOST;
3430 skb->dev = apriv->wifidev;
3431 skb->protocol = htons(ETH_P_802_2);
4c13eb66 3432 } else
1da177e4 3433 skb->protocol = eth_type_trans(skb,dev);
1da177e4
LT		 3434 skb->dev->last_rx = jiffies;
3435 skb->ip_summed = CHECKSUM_NONE;
3436
3437 netif_rx( skb );
3438 }
3439exitrx:
3440
3441 /* Check to see if a packet has been transmitted */
3442 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3443 int i;
3444 int len = 0;
3445 int index = -1;
3446
3447 if (test_bit(FLAG_MPI,&apriv->flags)) {
3448 unsigned long flags;
3449
3450 if (status & EV_TXEXC)
3451 get_tx_error(apriv, -1);
3452 spin_lock_irqsave(&apriv->aux_lock, flags);
b03efcfb 3453 if (!skb_queue_empty(&apriv->txq)) {
1da177e4
LT		 3454 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3455 mpi_send_packet (dev);
3456 } else {
3457 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3458 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3459 netif_wake_queue (dev);
3460 }
3461 OUT4500( apriv, EVACK,
3462 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3463 goto exittx;
3464 }
3465
3466 fid = IN4500(apriv, TXCOMPLFID);
3467
3468 for( i = 0; i < MAX_FIDS; i++ ) {
3469 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3470 len = apriv->fids[i] >> 16;
3471 index = i;
3472 }
3473 }
3474 if (index != -1) {
3475 if (status & EV_TXEXC)
3476 get_tx_error(apriv, index);
3477 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3478 /* Set up to be used again */
3479 apriv->fids[index] &= 0xffff;
3480 if (index < MAX_FIDS / 2) {
3481 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3482 netif_wake_queue(dev);
3483 } else {
3484 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3485 netif_wake_queue(apriv->wifidev);
3486 }
3487 } else {
3488 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
934d8bf1
DW		 3489 airo_print_err(apriv->dev->name, "Unallocated FID was "
3490 "used to xmit" );
1da177e4
LT		 3491 }
3492 }
3493exittx:
3494 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
934d8bf1 3495 airo_print_warn(apriv->dev->name, "Got weird status %x",
1da177e4
LT		 3496 status & ~STATUS_INTS & ~IGNORE_INTS );
3497 }
3498
3499 if (savedInterrupts)
3500 OUT4500( apriv, EVINTEN, savedInterrupts );
3501
3502 /* done.. */
3503 return IRQ_RETVAL(handled);
3504}
3505
3506/*
3507 * Routines to talk to the card
3508 */
3509
3510/*
3511 * This was originally written for the 4500, hence the name
3512 * NOTE: If use with 8bit mode and SMP bad things will happen!
3513 * Why would some one do 8 bit IO in an SMP machine?!?
3514 */
3515static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3516 if (test_bit(FLAG_MPI,&ai->flags))
3517 reg <<= 1;
3518 if ( !do8bitIO )
3519 outw( val, ai->dev->base_addr + reg );
3520 else {
3521 outb( val & 0xff, ai->dev->base_addr + reg );
3522 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3523 }
3524}
3525
3526static u16 IN4500( struct airo_info *ai, u16 reg ) {
3527 unsigned short rc;
3528
3529 if (test_bit(FLAG_MPI,&ai->flags))
3530 reg <<= 1;
3531 if ( !do8bitIO )
3532 rc = inw( ai->dev->base_addr + reg );
3533 else {
3534 rc = inb( ai->dev->base_addr + reg );
3535 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3536 }
3537 return rc;
3538}
3539
175ec1a1
MS		 3540static int enable_MAC(struct airo_info *ai, int lock)
3541{
1da177e4 3542 int rc;
175ec1a1
MS		 3543 Cmd cmd;
3544 Resp rsp;
1da177e4
LT		 3545
3546 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3547 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3548 * Note : we could try to use !netif_running(dev) in enable_MAC()
3549 * instead of this flag, but I don't trust it *within* the
3550 * open/close functions, and testing both flags together is
3551 * "cheaper" - Jean II */
3552 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3553
3554 if (lock && down_interruptible(&ai->sem))
3555 return -ERESTARTSYS;
3556
3557 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3558 memset(&cmd, 0, sizeof(cmd));
3559 cmd.cmd = MAC_ENABLE;
175ec1a1 3560 rc = issuecommand(ai, &cmd, &rsp);
1da177e4
LT		 3561 if (rc == SUCCESS)
3562 set_bit(FLAG_ENABLED, &ai->flags);
3563 } else
3564 rc = SUCCESS;
3565
3566 if (lock)
3567 up(&ai->sem);
3568
3569 if (rc)
175ec1a1
MS		 3570 airo_print_err(ai->dev->name, "Cannot enable MAC");
3571 else if ((rsp.status & 0xFF00) != 0) {
3572 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3573 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3574 rc = ERROR;
3575 }
1da177e4
LT		 3576 return rc;
3577}
3578
3579static void disable_MAC( struct airo_info *ai, int lock ) {
3580 Cmd cmd;
3581 Resp rsp;
3582
3583 if (lock && down_interruptible(&ai->sem))
3584 return;
3585
3586 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3587 memset(&cmd, 0, sizeof(cmd));
3588 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3589 issuecommand(ai, &cmd, &rsp);
3590 clear_bit(FLAG_ENABLED, &ai->flags);
3591 }
3592 if (lock)
3593 up(&ai->sem);
3594}
3595
3596static void enable_interrupts( struct airo_info *ai ) {
3597 /* Enable the interrupts */
3598 OUT4500( ai, EVINTEN, STATUS_INTS );
3599}
3600
3601static void disable_interrupts( struct airo_info *ai ) {
3602 OUT4500( ai, EVINTEN, 0 );
3603}
3604
3605static void mpi_receive_802_3(struct airo_info *ai)
3606{
3607 RxFid rxd;
3608 int len = 0;
3609 struct sk_buff *skb;
3610 char *buffer;
1da177e4
LT		 3611 int off = 0;
3612 MICBuffer micbuf;
1da177e4
LT		 3613
3614 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3615 /* Make sure we got something */
3616 if (rxd.rdy && rxd.valid == 0) {
3617 len = rxd.len + 12;
3618 if (len < 12 || len > 2048)
3619 goto badrx;
3620
3621 skb = dev_alloc_skb(len);
3622 if (!skb) {
3623 ai->stats.rx_dropped++;
3624 goto badrx;
3625 }
3626 buffer = skb_put(skb,len);
1da177e4
LT		 3627 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3628 if (ai->micstats.enabled) {
3629 memcpy(&micbuf,
3630 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3631 sizeof(micbuf));
3632 if (ntohs(micbuf.typelen) <= 0x05DC) {
3633 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3634 goto badmic;
3635
3636 off = sizeof(micbuf);
3637 skb_trim (skb, len - off);
3638 }
3639 }
3640 memcpy(buffer + ETH_ALEN * 2,
3641 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3642 len - ETH_ALEN * 2 - off);
3643 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3644badmic:
3645 dev_kfree_skb_irq (skb);
3646 goto badrx;
3647 }
1da177e4
LT		 3648#ifdef WIRELESS_SPY
3649 if (ai->spy_data.spy_number > 0) {
3650 char *sa;
3651 struct iw_quality wstats;
3652 /* Prepare spy data : addr + qual */
3653 sa = buffer + ETH_ALEN;
3654 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3655 wstats.level = 0;
3656 wstats.updated = 0;
3657 /* Update spy records */
3658 wireless_spy_update(ai->dev, sa, &wstats);
3659 }
3660#endif /* WIRELESS_SPY */
3661
1da177e4
LT		 3662 skb->ip_summed = CHECKSUM_NONE;
3663 skb->protocol = eth_type_trans(skb, ai->dev);
3664 skb->dev->last_rx = jiffies;
3665 netif_rx(skb);
3666 }
3667badrx:
3668 if (rxd.valid == 0) {
3669 rxd.valid = 1;
3670 rxd.rdy = 0;
3671 rxd.len = PKTSIZE;
3672 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3673 }
3674}
3675
3676void mpi_receive_802_11 (struct airo_info *ai)
3677{
3678 RxFid rxd;
3679 struct sk_buff *skb = NULL;
3680 u16 fc, len, hdrlen = 0;
3681#pragma pack(1)
3682 struct {
3683 u16 status, len;
3684 u8 rssi[2];
3685 u8 rate;
3686 u8 freq;
3687 u16 tmp[4];
3688 } hdr;
3689#pragma pack()
3690 u16 gap;
3691 u16 *buffer;
3692 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3693
3694 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3695 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3696 ptr += sizeof(hdr);
3697 /* Bad CRC. Ignore packet */
3698 if (le16_to_cpu(hdr.status) & 2)
3699 hdr.len = 0;
3700 if (ai->wifidev == NULL)
3701 hdr.len = 0;
3702 len = le16_to_cpu(hdr.len);
15db2763 3703 if (len > AIRO_DEF_MTU) {
934d8bf1 3704 airo_print_err(ai->dev->name, "Bad size %d", len);
1da177e4
LT		 3705 goto badrx;
3706 }
3707 if (len == 0)
3708 goto badrx;
3709
3710 memcpy ((char *)&fc, ptr, sizeof(fc));
3711 fc = le16_to_cpu(fc);
3712 switch (fc & 0xc) {
3713 case 4:
3714 if ((fc & 0xe0) == 0xc0)
3715 hdrlen = 10;
3716 else
3717 hdrlen = 16;
3718 break;
3719 case 8:
3720 if ((fc&0x300)==0x300){
3721 hdrlen = 30;
3722 break;
3723 }
3724 default:
3725 hdrlen = 24;
3726 }
3727
3728 skb = dev_alloc_skb( len + hdrlen + 2 );
3729 if ( !skb ) {
3730 ai->stats.rx_dropped++;
3731 goto badrx;
3732 }
3733 buffer = (u16*)skb_put (skb, len + hdrlen);
3734 memcpy ((char *)buffer, ptr, hdrlen);
3735 ptr += hdrlen;
3736 if (hdrlen == 24)
3737 ptr += 6;
3738 memcpy ((char *)&gap, ptr, sizeof(gap));
3739 ptr += sizeof(gap);
3740 gap = le16_to_cpu(gap);
3741 if (gap) {
3742 if (gap <= 8)
3743 ptr += gap;
3744 else
934d8bf1
DW		 3745 airo_print_err(ai->dev->name,
3746 "gaplen too big. Problems will follow...");
1da177e4
LT		 3747 }
3748 memcpy ((char *)buffer + hdrlen, ptr, len);
3749 ptr += len;
3750#ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3751 if (ai->spy_data.spy_number > 0) {
3752 char *sa;
3753 struct iw_quality wstats;
3754 /* Prepare spy data : addr + qual */
3755 sa = (char*)buffer + 10;
3756 wstats.qual = hdr.rssi[0];
3757 if (ai->rssi)
3758 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3759 else
3760 wstats.level = (hdr.rssi[1] + 321) / 2;
41480af2
DW		 3761 wstats.noise = ai->wstats.qual.noise;
3762 wstats.updated = IW_QUAL_QUAL_UPDATED
3763 | IW_QUAL_LEVEL_UPDATED
ce6623c3 3764 | IW_QUAL_DBM;
1da177e4
LT		 3765 /* Update spy records */
3766 wireless_spy_update(ai->dev, sa, &wstats);
3767 }
3768#endif /* IW_WIRELESS_SPY */
459a98ed 3769 skb_reset_mac_header(skb);
1da177e4
LT		 3770 skb->pkt_type = PACKET_OTHERHOST;
3771 skb->dev = ai->wifidev;
3772 skb->protocol = htons(ETH_P_802_2);
3773 skb->dev->last_rx = jiffies;
3774 skb->ip_summed = CHECKSUM_NONE;
3775 netif_rx( skb );
3776badrx:
3777 if (rxd.valid == 0) {
3778 rxd.valid = 1;
3779 rxd.rdy = 0;
3780 rxd.len = PKTSIZE;
3781 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3782 }
3783}
3784
3785static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3786{
3787 Cmd cmd;
3788 Resp rsp;
3789 int status;
3790 int i;
3791 SsidRid mySsid;
3792 u16 lastindex;
3793 WepKeyRid wkr;
3794 int rc;
3795
3796 memset( &mySsid, 0, sizeof( mySsid ) );
b4558ea9
JJ		 3797 kfree (ai->flash);
3798 ai->flash = NULL;
1da177e4
LT		 3799
3800 /* The NOP is the first step in getting the card going */
3801 cmd.cmd = NOP;
3802 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3803 if (lock && down_interruptible(&ai->sem))
3804 return ERROR;
3805 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3806 if (lock)
3807 up(&ai->sem);
3808 return ERROR;
3809 }
3810 disable_MAC( ai, 0);
3811
3812 // Let's figure out if we need to use the AUX port
3813 if (!test_bit(FLAG_MPI,&ai->flags)) {
3814 cmd.cmd = CMD_ENABLEAUX;
3815 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3816 if (lock)
3817 up(&ai->sem);
934d8bf1 3818 airo_print_err(ai->dev->name, "Error checking for AUX port");
1da177e4
LT		 3819 return ERROR;
3820 }
3821 if (!aux_bap || rsp.status & 0xff00) {
3822 ai->bap_read = fast_bap_read;
934d8bf1 3823 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
1da177e4
LT		 3824 } else {
3825 ai->bap_read = aux_bap_read;
934d8bf1 3826 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
1da177e4
LT		 3827 }
3828 }
3829 if (lock)
3830 up(&ai->sem);
3831 if (ai->config.len == 0) {
3832 tdsRssiRid rssi_rid;
3833 CapabilityRid cap_rid;
3834
b4558ea9
JJ		 3835 kfree(ai->APList);
3836 ai->APList = NULL;
3837 kfree(ai->SSID);
3838 ai->SSID = NULL;
1da177e4
LT		 3839 // general configuration (read/modify/write)
3840 status = readConfigRid(ai, lock);
3841 if ( status != SUCCESS ) return ERROR;
3842
3843 status = readCapabilityRid(ai, &cap_rid, lock);
3844 if ( status != SUCCESS ) return ERROR;
3845
3846 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3847 if ( status == SUCCESS ) {
3848 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
41480af2 3849 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
1da177e4
LT		 3850 }
3851 else {
b4558ea9
JJ		 3852 kfree(ai->rssi);
3853 ai->rssi = NULL;
1da177e4
LT		 3854 if (cap_rid.softCap & 8)
3855 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3856 else
934d8bf1
DW		 3857 airo_print_warn(ai->dev->name, "unknown received signal "
3858 "level scale");
1da177e4
LT		 3859 }
3860 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3861 ai->config.authType = AUTH_OPEN;
3862 ai->config.modulation = MOD_CCK;
3863
1da177e4
LT		 3864 if ((cap_rid.len>=sizeof(cap_rid)) && (cap_rid.extSoftCap&1) &&
3865 (micsetup(ai) == SUCCESS)) {
3866 ai->config.opmode |= MODE_MIC;
3867 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3868 }
1da177e4
LT		 3869
3870 /* Save off the MAC */
3871 for( i = 0; i < ETH_ALEN; i++ ) {
3872 mac[i] = ai->config.macAddr[i];
3873 }
3874
3875 /* Check to see if there are any insmod configured
3876 rates to add */
3877 if ( rates[0] ) {
3878 int i = 0;
3879 memset(ai->config.rates,0,sizeof(ai->config.rates));
3880 for( i = 0; i < 8 && rates[i]; i++ ) {
3881 ai->config.rates[i] = rates[i];
3882 }
3883 }
3884 if ( basic_rate > 0 ) {
3885 int i;
3886 for( i = 0; i < 8; i++ ) {
3887 if ( ai->config.rates[i] == basic_rate ||
3888 !ai->config.rates ) {
3889 ai->config.rates[i] = basic_rate | 0x80;
3890 break;
3891 }
3892 }
3893 }
3894 set_bit (FLAG_COMMIT, &ai->flags);
3895 }
3896
3897 /* Setup the SSIDs if present */
3898 if ( ssids[0] ) {
3899 int i;
3900 for( i = 0; i < 3 && ssids[i]; i++ ) {
3901 mySsid.ssids[i].len = strlen(ssids[i]);
3902 if ( mySsid.ssids[i].len > 32 )
3903 mySsid.ssids[i].len = 32;
3904 memcpy(mySsid.ssids[i].ssid, ssids[i],
3905 mySsid.ssids[i].len);
3906 }
3907 mySsid.len = sizeof(mySsid);
3908 }
3909
3910 status = writeConfigRid(ai, lock);
3911 if ( status != SUCCESS ) return ERROR;
3912
3913 /* Set up the SSID list */
3914 if ( ssids[0] ) {
3915 status = writeSsidRid(ai, &mySsid, lock);
3916 if ( status != SUCCESS ) return ERROR;
3917 }
3918
175ec1a1
MS		 3919 status = enable_MAC(ai, lock);
3920 if (status != SUCCESS)
1da177e4 3921 return ERROR;
1da177e4
LT		 3922
3923 /* Grab the initial wep key, we gotta save it for auto_wep */
3924 rc = readWepKeyRid(ai, &wkr, 1, lock);
3925 if (rc == SUCCESS) do {
3926 lastindex = wkr.kindex;
3927 if (wkr.kindex == 0xffff) {
3928 ai->defindex = wkr.mac[0];
3929 }
3930 rc = readWepKeyRid(ai, &wkr, 0, lock);
3931 } while(lastindex != wkr.kindex);
3932
1c2b7db8 3933 try_auto_wep(ai);
1da177e4
LT		 3934
3935 return SUCCESS;
3936}
3937
3938static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3939 // Im really paranoid about letting it run forever!
3940 int max_tries = 600000;
3941
3942 if (IN4500(ai, EVSTAT) & EV_CMD)
3943 OUT4500(ai, EVACK, EV_CMD);
3944
3945 OUT4500(ai, PARAM0, pCmd->parm0);
3946 OUT4500(ai, PARAM1, pCmd->parm1);
3947 OUT4500(ai, PARAM2, pCmd->parm2);
3948 OUT4500(ai, COMMAND, pCmd->cmd);
3949
3950 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3951 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3952 // PC4500 didn't notice command, try again
3953 OUT4500(ai, COMMAND, pCmd->cmd);
3954 if (!in_atomic() && (max_tries & 255) == 0)
3955 schedule();
3956 }
3957
3958 if ( max_tries == -1 ) {
934d8bf1
DW		 3959 airo_print_err(ai->dev->name,
3960 "Max tries exceeded when issueing command");
1da177e4
LT		 3961 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3962 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3963 return ERROR;
3964 }
3965
3966 // command completed
3967 pRsp->status = IN4500(ai, STATUS);
3968 pRsp->rsp0 = IN4500(ai, RESP0);
3969 pRsp->rsp1 = IN4500(ai, RESP1);
3970 pRsp->rsp2 = IN4500(ai, RESP2);
13dca9b8
RS		 3971 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3972 airo_print_err(ai->dev->name,
3973 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3974 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3975 pRsp->rsp2);
1da177e4
LT		 3976
3977 // clear stuck command busy if necessary
3978 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3979 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3980 }
3981 // acknowledge processing the status/response
3982 OUT4500(ai, EVACK, EV_CMD);
3983
3984 return SUCCESS;
3985}
3986
3987/* Sets up the bap to start exchange data. whichbap should
3988 * be one of the BAP0 or BAP1 defines. Locks should be held before
3989 * calling! */
3990static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3991{
3992 int timeout = 50;
3993 int max_tries = 3;
3994
3995 OUT4500(ai, SELECT0+whichbap, rid);
3996 OUT4500(ai, OFFSET0+whichbap, offset);
3997 while (1) {
3998 int status = IN4500(ai, OFFSET0+whichbap);
3999 if (status & BAP_BUSY) {
4000 /* This isn't really a timeout, but its kinda
4001 close */
4002 if (timeout--) {
4003 continue;
4004 }
4005 } else if ( status & BAP_ERR ) {
4006 /* invalid rid or offset */
934d8bf1 4007 airo_print_err(ai->dev->name, "BAP error %x %d",
1da177e4
LT		 4008 status, whichbap );
4009 return ERROR;
4010 } else if (status & BAP_DONE) { // success
4011 return SUCCESS;
4012 }
4013 if ( !(max_tries--) ) {
934d8bf1 4014 airo_print_err(ai->dev->name,
1138c37b 4015 "BAP setup error too many retries\n");
1da177e4
LT		 4016 return ERROR;
4017 }
4018 // -- PC4500 missed it, try again
4019 OUT4500(ai, SELECT0+whichbap, rid);
4020 OUT4500(ai, OFFSET0+whichbap, offset);
4021 timeout = 50;
4022 }
4023}
4024
4025/* should only be called by aux_bap_read. This aux function and the
4026 following use concepts not documented in the developers guide. I
4027 got them from a patch given to my by Aironet */
4028static u16 aux_setup(struct airo_info *ai, u16 page,
4029 u16 offset, u16 *len)
4030{
4031 u16 next;
4032
4033 OUT4500(ai, AUXPAGE, page);
4034 OUT4500(ai, AUXOFF, 0);
4035 next = IN4500(ai, AUXDATA);
4036 *len = IN4500(ai, AUXDATA)&0xff;
4037 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4038 return next;
4039}
4040
4041/* requires call to bap_setup() first */
4042static int aux_bap_read(struct airo_info *ai, u16 *pu16Dst,
4043 int bytelen, int whichbap)
4044{
4045 u16 len;
4046 u16 page;
4047 u16 offset;
4048 u16 next;
4049 int words;
4050 int i;
4051 unsigned long flags;
4052
4053 spin_lock_irqsave(&ai->aux_lock, flags);
4054 page = IN4500(ai, SWS0+whichbap);
4055 offset = IN4500(ai, SWS2+whichbap);
4056 next = aux_setup(ai, page, offset, &len);
4057 words = (bytelen+1)>>1;
4058
4059 for (i=0; i<words;) {
4060 int count;
4061 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4062 if ( !do8bitIO )
4063 insw( ai->dev->base_addr+DATA0+whichbap,
4064 pu16Dst+i,count );
4065 else
4066 insb( ai->dev->base_addr+DATA0+whichbap,
4067 pu16Dst+i, count << 1 );
4068 i += count;
4069 if (i<words) {
4070 next = aux_setup(ai, next, 4, &len);
4071 }
4072 }
4073 spin_unlock_irqrestore(&ai->aux_lock, flags);
4074 return SUCCESS;
4075}
4076
4077
4078/* requires call to bap_setup() first */
4079static int fast_bap_read(struct airo_info *ai, u16 *pu16Dst,
4080 int bytelen, int whichbap)
4081{
4082 bytelen = (bytelen + 1) & (~1); // round up to even value
4083 if ( !do8bitIO )
4084 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4085 else
4086 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4087 return SUCCESS;
4088}
4089
4090/* requires call to bap_setup() first */
4091static int bap_write(struct airo_info *ai, const u16 *pu16Src,
4092 int bytelen, int whichbap)
4093{
4094 bytelen = (bytelen + 1) & (~1); // round up to even value
4095 if ( !do8bitIO )
4096 outsw( ai->dev->base_addr+DATA0+whichbap,
4097 pu16Src, bytelen>>1 );
4098 else
4099 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4100 return SUCCESS;
4101}
4102
4103static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4104{
4105 Cmd cmd; /* for issuing commands */
4106 Resp rsp; /* response from commands */
4107 u16 status;
4108
4109 memset(&cmd, 0, sizeof(cmd));
4110 cmd.cmd = accmd;
4111 cmd.parm0 = rid;
4112 status = issuecommand(ai, &cmd, &rsp);
4113 if (status != 0) return status;
4114 if ( (rsp.status & 0x7F00) != 0) {
4115 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4116 }
4117 return 0;
4118}
4119
4120/* Note, that we are using BAP1 which is also used by transmit, so
4121 * we must get a lock. */
4122static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4123{
4124 u16 status;
4125 int rc = SUCCESS;
4126
4127 if (lock) {
4128 if (down_interruptible(&ai->sem))
4129 return ERROR;
4130 }
4131 if (test_bit(FLAG_MPI,&ai->flags)) {
4132 Cmd cmd;
4133 Resp rsp;
4134
4135 memset(&cmd, 0, sizeof(cmd));
4136 memset(&rsp, 0, sizeof(rsp));
4137 ai->config_desc.rid_desc.valid = 1;
4138 ai->config_desc.rid_desc.len = RIDSIZE;
4139 ai->config_desc.rid_desc.rid = 0;
4140 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4141
4142 cmd.cmd = CMD_ACCESS;
4143 cmd.parm0 = rid;
4144
4145 memcpy_toio(ai->config_desc.card_ram_off,
4146 &ai->config_desc.rid_desc, sizeof(Rid));
4147
4148 rc = issuecommand(ai, &cmd, &rsp);
4149
4150 if (rsp.status & 0x7f00)
4151 rc = rsp.rsp0;
4152 if (!rc)
4153 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4154 goto done;
4155 } else {
4156 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4157 rc = status;
4158 goto done;
4159 }
4160 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4161 rc = ERROR;
4162 goto done;
4163 }
4164 // read the rid length field
4165 bap_read(ai, pBuf, 2, BAP1);
4166 // length for remaining part of rid
4167 len = min(len, (int)le16_to_cpu(*(u16*)pBuf)) - 2;
4168
4169 if ( len <= 2 ) {
934d8bf1
DW		 4170 airo_print_err(ai->dev->name,
4171 "Rid %x has a length of %d which is too short",
1da177e4
LT		 4172 (int)rid, (int)len );
4173 rc = ERROR;
4174 goto done;
4175 }
4176 // read remainder of the rid
4177 rc = bap_read(ai, ((u16*)pBuf)+1, len, BAP1);
4178 }
4179done:
4180 if (lock)
4181 up(&ai->sem);
4182 return rc;
4183}
4184
4185/* Note, that we are using BAP1 which is also used by transmit, so
4186 * make sure this isnt called when a transmit is happening */
4187static int PC4500_writerid(struct airo_info *ai, u16 rid,
4188 const void *pBuf, int len, int lock)
4189{
4190 u16 status;
4191 int rc = SUCCESS;
4192
4193 *(u16*)pBuf = cpu_to_le16((u16)len);
4194
4195 if (lock) {
4196 if (down_interruptible(&ai->sem))
4197 return ERROR;
4198 }
4199 if (test_bit(FLAG_MPI,&ai->flags)) {
4200 Cmd cmd;
4201 Resp rsp;
4202
f89b2321 4203 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
934d8bf1
DW		 4204 airo_print_err(ai->dev->name,
4205 "%s: MAC should be disabled (rid=%04x)",
1da177e4
LT		 4206 __FUNCTION__, rid);
4207 memset(&cmd, 0, sizeof(cmd));
4208 memset(&rsp, 0, sizeof(rsp));
4209
4210 ai->config_desc.rid_desc.valid = 1;
4211 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4212 ai->config_desc.rid_desc.rid = 0;
4213
4214 cmd.cmd = CMD_WRITERID;
4215 cmd.parm0 = rid;
4216
4217 memcpy_toio(ai->config_desc.card_ram_off,
4218 &ai->config_desc.rid_desc, sizeof(Rid));
4219
4220 if (len < 4 || len > 2047) {
934d8bf1 4221 airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
1da177e4
LT		 4222 rc = -1;
4223 } else {
4224 memcpy((char *)ai->config_desc.virtual_host_addr,
4225 pBuf, len);
4226
4227 rc = issuecommand(ai, &cmd, &rsp);
4228 if ((rc & 0xff00) != 0) {
934d8bf1
DW		 4229 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4230 __FUNCTION__, rc);
4231 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4232 __FUNCTION__, cmd.cmd);
1da177e4
LT		 4233 }
4234
4235 if ((rsp.status & 0x7f00))
4236 rc = rsp.rsp0;
4237 }
4238 } else {
4239 // --- first access so that we can write the rid data
4240 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4241 rc = status;
4242 goto done;
4243 }
4244 // --- now write the rid data
4245 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4246 rc = ERROR;
4247 goto done;
4248 }
4249 bap_write(ai, pBuf, len, BAP1);
4250 // ---now commit the rid data
4251 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4252 }
4253done:
4254 if (lock)
4255 up(&ai->sem);
4256 return rc;
4257}
4258
4259/* Allocates a FID to be used for transmitting packets. We only use
4260 one for now. */
4261static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4262{
4263 unsigned int loop = 3000;
4264 Cmd cmd;
4265 Resp rsp;
4266 u16 txFid;
4267 u16 txControl;
4268
4269 cmd.cmd = CMD_ALLOCATETX;
4270 cmd.parm0 = lenPayload;
4271 if (down_interruptible(&ai->sem))
4272 return ERROR;
4273 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4274 txFid = ERROR;
4275 goto done;
4276 }
4277 if ( (rsp.status & 0xFF00) != 0) {
4278 txFid = ERROR;
4279 goto done;
4280 }
4281 /* wait for the allocate event/indication
4282 * It makes me kind of nervous that this can just sit here and spin,
4283 * but in practice it only loops like four times. */
4284 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4285 if (!loop) {
4286 txFid = ERROR;
4287 goto done;
4288 }
4289
4290 // get the allocated fid and acknowledge
4291 txFid = IN4500(ai, TXALLOCFID);
4292 OUT4500(ai, EVACK, EV_ALLOC);
4293
4294 /* The CARD is pretty cool since it converts the ethernet packet
4295 * into 802.11. Also note that we don't release the FID since we
4296 * will be using the same one over and over again. */
4297 /* We only have to setup the control once since we are not
4298 * releasing the fid. */
4299 if (raw)
4300 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4301 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4302 else
4303 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4304 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4305 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4306 txFid = ERROR;
4307 else
4308 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4309
4310done:
4311 up(&ai->sem);
4312
4313 return txFid;
4314}
4315
4316/* In general BAP1 is dedicated to transmiting packets. However,
4317 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4318 Make sure the BAP1 spinlock is held when this is called. */
4319static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4320{
4321 u16 payloadLen;
4322 Cmd cmd;
4323 Resp rsp;
4324 int miclen = 0;
4325 u16 txFid = len;
4326 MICBuffer pMic;
4327
4328 len >>= 16;
4329
4330 if (len <= ETH_ALEN * 2) {
934d8bf1 4331 airo_print_warn(ai->dev->name, "Short packet %d", len);
1da177e4
LT		 4332 return ERROR;
4333 }
4334 len -= ETH_ALEN * 2;
4335
1da177e4
LT		 4336 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4337 (ntohs(((u16 *)pPacket)[6]) != 0x888E)) {
4338 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4339 return ERROR;
4340 miclen = sizeof(pMic);
4341 }
1da177e4
LT		 4342 // packet is destination[6], source[6], payload[len-12]
4343 // write the payload length and dst/src/payload
4344 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4345 /* The hardware addresses aren't counted as part of the payload, so
4346 * we have to subtract the 12 bytes for the addresses off */
4347 payloadLen = cpu_to_le16(len + miclen);
4348 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4349 bap_write(ai, (const u16*)pPacket, sizeof(etherHead), BAP1);
4350 if (miclen)
4351 bap_write(ai, (const u16*)&pMic, miclen, BAP1);
4352 bap_write(ai, (const u16*)(pPacket + sizeof(etherHead)), len, BAP1);
4353 // issue the transmit command
4354 memset( &cmd, 0, sizeof( cmd ) );
4355 cmd.cmd = CMD_TRANSMIT;
4356 cmd.parm0 = txFid;
4357 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4358 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4359 return SUCCESS;
4360}
4361
4362static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4363{
4364 u16 fc, payloadLen;
4365 Cmd cmd;
4366 Resp rsp;
4367 int hdrlen;
4368 struct {
4369 u8 addr4[ETH_ALEN];
4370 u16 gaplen;
4371 u8 gap[6];
4372 } gap;
4373 u16 txFid = len;
4374 len >>= 16;
4375 gap.gaplen = 6;
4376
4377 fc = le16_to_cpu(*(const u16*)pPacket);
4378 switch (fc & 0xc) {
4379 case 4:
4380 if ((fc & 0xe0) == 0xc0)
4381 hdrlen = 10;
4382 else
4383 hdrlen = 16;
4384 break;
4385 case 8:
4386 if ((fc&0x300)==0x300){
4387 hdrlen = 30;
4388 break;
4389 }
4390 default:
4391 hdrlen = 24;
4392 }
4393
4394 if (len < hdrlen) {
934d8bf1 4395 airo_print_warn(ai->dev->name, "Short packet %d", len);
1da177e4
LT		 4396 return ERROR;
4397 }
4398
4399 /* packet is 802.11 header + payload
4400 * write the payload length and dst/src/payload */
4401 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4402 /* The 802.11 header aren't counted as part of the payload, so
4403 * we have to subtract the header bytes off */
4404 payloadLen = cpu_to_le16(len-hdrlen);
4405 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4406 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4407 bap_write(ai, (const u16*)pPacket, hdrlen, BAP1);
4408 bap_write(ai, hdrlen == 30 ?
4409 (const u16*)&gap.gaplen : (const u16*)&gap, 38 - hdrlen, BAP1);
4410
4411 bap_write(ai, (const u16*)(pPacket + hdrlen), len - hdrlen, BAP1);
4412 // issue the transmit command
4413 memset( &cmd, 0, sizeof( cmd ) );
4414 cmd.cmd = CMD_TRANSMIT;
4415 cmd.parm0 = txFid;
4416 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4417 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4418 return SUCCESS;
4419}
4420
4421/*
4422 * This is the proc_fs routines. It is a bit messier than I would
4423 * like! Feel free to clean it up!
4424 */
4425
4426static ssize_t proc_read( struct file *file,
4427 char __user *buffer,
4428 size_t len,
4429 loff_t *offset);
4430
4431static ssize_t proc_write( struct file *file,
4432 const char __user *buffer,
4433 size_t len,
4434 loff_t *offset );
4435static int proc_close( struct inode *inode, struct file *file );
4436
4437static int proc_stats_open( struct inode *inode, struct file *file );
4438static int proc_statsdelta_open( struct inode *inode, struct file *file );
4439static int proc_status_open( struct inode *inode, struct file *file );
4440static int proc_SSID_open( struct inode *inode, struct file *file );
4441static int proc_APList_open( struct inode *inode, struct file *file );
4442static int proc_BSSList_open( struct inode *inode, struct file *file );
4443static int proc_config_open( struct inode *inode, struct file *file );
4444static int proc_wepkey_open( struct inode *inode, struct file *file );
4445
d54b1fdb 4446static const struct file_operations proc_statsdelta_ops = {
1da177e4
LT		 4447 .read = proc_read,
4448 .open = proc_statsdelta_open,
4449 .release = proc_close
4450};
4451
d54b1fdb 4452static const struct file_operations proc_stats_ops = {
1da177e4
LT		 4453 .read = proc_read,
4454 .open = proc_stats_open,
4455 .release = proc_close
4456};
4457
d54b1fdb 4458static const struct file_operations proc_status_ops = {
1da177e4
LT		 4459 .read = proc_read,
4460 .open = proc_status_open,
4461 .release = proc_close
4462};
4463
d54b1fdb 4464static const struct file_operations proc_SSID_ops = {
1da177e4
LT		 4465 .read = proc_read,
4466 .write = proc_write,
4467 .open = proc_SSID_open,
4468 .release = proc_close
4469};
4470
d54b1fdb 4471static const struct file_operations proc_BSSList_ops = {
1da177e4
LT		 4472 .read = proc_read,
4473 .write = proc_write,
4474 .open = proc_BSSList_open,
4475 .release = proc_close
4476};
4477
d54b1fdb 4478static const struct file_operations proc_APList_ops = {
1da177e4
LT		 4479 .read = proc_read,
4480 .write = proc_write,
4481 .open = proc_APList_open,
4482 .release = proc_close
4483};
4484
d54b1fdb 4485static const struct file_operations proc_config_ops = {
1da177e4
LT		 4486 .read = proc_read,
4487 .write = proc_write,
4488 .open = proc_config_open,
4489 .release = proc_close
4490};
4491
d54b1fdb 4492static const struct file_operations proc_wepkey_ops = {
1da177e4
LT		 4493 .read = proc_read,
4494 .write = proc_write,
4495 .open = proc_wepkey_open,
4496 .release = proc_close
4497};
4498
4499static struct proc_dir_entry *airo_entry;
4500
4501struct proc_data {
4502 int release_buffer;
4503 int readlen;
4504 char *rbuffer;
4505 int writelen;
4506 int maxwritelen;
4507 char *wbuffer;
4508 void (*on_close) (struct inode *, struct file *);
4509};
4510
4511#ifndef SETPROC_OPS
4512#define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4513#endif
4514
4515static int setup_proc_entry( struct net_device *dev,
4516 struct airo_info *apriv ) {
4517 struct proc_dir_entry *entry;
4518 /* First setup the device directory */
4519 strcpy(apriv->proc_name,dev->name);
4520 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4521 S_IFDIR|airo_perm,
4522 airo_entry);
431aca5a
FM		 4523 if (!apriv->proc_entry)
4524 goto fail;
4525 apriv->proc_entry->uid = proc_uid;
4526 apriv->proc_entry->gid = proc_gid;
4527 apriv->proc_entry->owner = THIS_MODULE;
1da177e4
LT		 4528
4529 /* Setup the StatsDelta */
4530 entry = create_proc_entry("StatsDelta",
4531 S_IFREG | (S_IRUGO&proc_perm),
4532 apriv->proc_entry);
431aca5a
FM		 4533 if (!entry)
4534 goto fail_stats_delta;
4535 entry->uid = proc_uid;
4536 entry->gid = proc_gid;
1da177e4 4537 entry->data = dev;
431aca5a 4538 entry->owner = THIS_MODULE;
1da177e4
LT		 4539 SETPROC_OPS(entry, proc_statsdelta_ops);
4540
4541 /* Setup the Stats */
4542 entry = create_proc_entry("Stats",
4543 S_IFREG | (S_IRUGO&proc_perm),
4544 apriv->proc_entry);
431aca5a
FM		 4545 if (!entry)
4546 goto fail_stats;
4547 entry->uid = proc_uid;
4548 entry->gid = proc_gid;
1da177e4 4549 entry->data = dev;
431aca5a 4550 entry->owner = THIS_MODULE;
1da177e4
LT		 4551 SETPROC_OPS(entry, proc_stats_ops);
4552
4553 /* Setup the Status */
4554 entry = create_proc_entry("Status",
4555 S_IFREG | (S_IRUGO&proc_perm),
4556 apriv->proc_entry);
431aca5a
FM		 4557 if (!entry)
4558 goto fail_status;
4559 entry->uid = proc_uid;
4560 entry->gid = proc_gid;
1da177e4 4561 entry->data = dev;
431aca5a 4562 entry->owner = THIS_MODULE;
1da177e4
LT		 4563 SETPROC_OPS(entry, proc_status_ops);
4564
4565 /* Setup the Config */
4566 entry = create_proc_entry("Config",
4567 S_IFREG | proc_perm,
4568 apriv->proc_entry);
431aca5a
FM		 4569 if (!entry)
4570 goto fail_config;
4571 entry->uid = proc_uid;
4572 entry->gid = proc_gid;
1da177e4 4573 entry->data = dev;
431aca5a 4574 entry->owner = THIS_MODULE;
1da177e4
LT		 4575 SETPROC_OPS(entry, proc_config_ops);
4576
4577 /* Setup the SSID */
4578 entry = create_proc_entry("SSID",
4579 S_IFREG | proc_perm,
4580 apriv->proc_entry);
431aca5a
FM		 4581 if (!entry)
4582 goto fail_ssid;
4583 entry->uid = proc_uid;
4584 entry->gid = proc_gid;
1da177e4 4585 entry->data = dev;
431aca5a 4586 entry->owner = THIS_MODULE;
1da177e4
LT		 4587 SETPROC_OPS(entry, proc_SSID_ops);
4588
4589 /* Setup the APList */
4590 entry = create_proc_entry("APList",
4591 S_IFREG | proc_perm,
4592 apriv->proc_entry);
431aca5a
FM		 4593 if (!entry)
4594 goto fail_aplist;
4595 entry->uid = proc_uid;
4596 entry->gid = proc_gid;
1da177e4 4597 entry->data = dev;
431aca5a 4598 entry->owner = THIS_MODULE;
1da177e4
LT		 4599 SETPROC_OPS(entry, proc_APList_ops);
4600
4601 /* Setup the BSSList */
4602 entry = create_proc_entry("BSSList",
4603 S_IFREG | proc_perm,
4604 apriv->proc_entry);
431aca5a
FM		 4605 if (!entry)
4606 goto fail_bsslist;
1da177e4
LT		 4607 entry->uid = proc_uid;
4608 entry->gid = proc_gid;
4609 entry->data = dev;
431aca5a 4610 entry->owner = THIS_MODULE;
1da177e4
LT		 4611 SETPROC_OPS(entry, proc_BSSList_ops);
4612
4613 /* Setup the WepKey */
4614 entry = create_proc_entry("WepKey",
4615 S_IFREG | proc_perm,
4616 apriv->proc_entry);
431aca5a
FM		 4617 if (!entry)
4618 goto fail_wepkey;
4619 entry->uid = proc_uid;
4620 entry->gid = proc_gid;
1da177e4 4621 entry->data = dev;
431aca5a 4622 entry->owner = THIS_MODULE;
1da177e4
LT		 4623 SETPROC_OPS(entry, proc_wepkey_ops);
4624
4625 return 0;
431aca5a
FM		 4626
4627fail_wepkey:
4628 remove_proc_entry("BSSList", apriv->proc_entry);
4629fail_bsslist:
4630 remove_proc_entry("APList", apriv->proc_entry);
4631fail_aplist:
4632 remove_proc_entry("SSID", apriv->proc_entry);
4633fail_ssid:
4634 remove_proc_entry("Config", apriv->proc_entry);
4635fail_config:
4636 remove_proc_entry("Status", apriv->proc_entry);
4637fail_status:
4638 remove_proc_entry("Stats", apriv->proc_entry);
4639fail_stats:
4640 remove_proc_entry("StatsDelta", apriv->proc_entry);
4641fail_stats_delta:
4642 remove_proc_entry(apriv->proc_name, airo_entry);
4643fail:
4644 return -ENOMEM;
1da177e4
LT		 4645}
4646
4647static int takedown_proc_entry( struct net_device *dev,
4648 struct airo_info *apriv ) {
4649 if ( !apriv->proc_entry->namelen ) return 0;
4650 remove_proc_entry("Stats",apriv->proc_entry);
4651 remove_proc_entry("StatsDelta",apriv->proc_entry);
4652 remove_proc_entry("Status",apriv->proc_entry);
4653 remove_proc_entry("Config",apriv->proc_entry);
4654 remove_proc_entry("SSID",apriv->proc_entry);
4655 remove_proc_entry("APList",apriv->proc_entry);
4656 remove_proc_entry("BSSList",apriv->proc_entry);
4657 remove_proc_entry("WepKey",apriv->proc_entry);
4658 remove_proc_entry(apriv->proc_name,airo_entry);
4659 return 0;
4660}
4661
4662/*
4663 * What we want from the proc_fs is to be able to efficiently read
4664 * and write the configuration. To do this, we want to read the
4665 * configuration when the file is opened and write it when the file is
4666 * closed. So basically we allocate a read buffer at open and fill it
4667 * with data, and allocate a write buffer and read it at close.
4668 */
4669
4670/*
4671 * The read routine is generic, it relies on the preallocated rbuffer
4672 * to supply the data.
4673 */
4674static ssize_t proc_read( struct file *file,
4675 char __user *buffer,
4676 size_t len,
4677 loff_t *offset )
4678{
4679 loff_t pos = *offset;
4680 struct proc_data *priv = (struct proc_data*)file->private_data;
4681
4682 if (!priv->rbuffer)
4683 return -EINVAL;
4684
4685 if (pos < 0)
4686 return -EINVAL;
4687 if (pos >= priv->readlen)
4688 return 0;
4689 if (len > priv->readlen - pos)
4690 len = priv->readlen - pos;
4691 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4692 return -EFAULT;
4693 *offset = pos + len;
4694 return len;
4695}
4696
4697/*
4698 * The write routine is generic, it fills in a preallocated rbuffer
4699 * to supply the data.
4700 */
4701static ssize_t proc_write( struct file *file,
4702 const char __user *buffer,
4703 size_t len,
4704 loff_t *offset )
4705{
4706 loff_t pos = *offset;
4707 struct proc_data *priv = (struct proc_data*)file->private_data;
4708
4709 if (!priv->wbuffer)
4710 return -EINVAL;
4711
4712 if (pos < 0)
4713 return -EINVAL;
4714 if (pos >= priv->maxwritelen)
4715 return 0;
4716 if (len > priv->maxwritelen - pos)
4717 len = priv->maxwritelen - pos;
4718 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4719 return -EFAULT;
4720 if ( pos + len > priv->writelen )
4721 priv->writelen = len + file->f_pos;
4722 *offset = pos + len;
4723 return len;
4724}
4725
4726static int proc_status_open( struct inode *inode, struct file *file ) {
4727 struct proc_data *data;
4728 struct proc_dir_entry *dp = PDE(inode);
4729 struct net_device *dev = dp->data;
4730 struct airo_info *apriv = dev->priv;
4731 CapabilityRid cap_rid;
4732 StatusRid status_rid;
4733 int i;
4734
b69a3aa8 4735 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 4736 return -ENOMEM;
1da177e4
LT		 4737 data = (struct proc_data *)file->private_data;
4738 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4739 kfree (file->private_data);
4740 return -ENOMEM;
4741 }
4742
4743 readStatusRid(apriv, &status_rid, 1);
4744 readCapabilityRid(apriv, &cap_rid, 1);
4745
4746 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4747 status_rid.mode & 1 ? "CFG ": "",
4748 status_rid.mode & 2 ? "ACT ": "",
4749 status_rid.mode & 0x10 ? "SYN ": "",
4750 status_rid.mode & 0x20 ? "LNK ": "",
4751 status_rid.mode & 0x40 ? "LEAP ": "",
4752 status_rid.mode & 0x80 ? "PRIV ": "",
4753 status_rid.mode & 0x100 ? "KEY ": "",
4754 status_rid.mode & 0x200 ? "WEP ": "",
4755 status_rid.mode & 0x8000 ? "ERR ": "");
4756 sprintf( data->rbuffer+i, "Mode: %x\n"
4757 "Signal Strength: %d\n"
4758 "Signal Quality: %d\n"
4759 "SSID: %-.*s\n"
4760 "AP: %-.16s\n"
4761 "Freq: %d\n"
4762 "BitRate: %dmbs\n"
4763 "Driver Version: %s\n"
4764 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4765 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4766 "Software Version: %x\nSoftware Subversion: %x\n"
4767 "Boot block version: %x\n",
4768 (int)status_rid.mode,
4769 (int)status_rid.normalizedSignalStrength,
4770 (int)status_rid.signalQuality,
4771 (int)status_rid.SSIDlen,
4772 status_rid.SSID,
4773 status_rid.apName,
4774 (int)status_rid.channel,
4775 (int)status_rid.currentXmitRate/2,
4776 version,
4777 cap_rid.prodName,
4778 cap_rid.manName,
4779 cap_rid.prodVer,
4780 cap_rid.radioType,
4781 cap_rid.country,
4782 cap_rid.hardVer,
4783 (int)cap_rid.softVer,
4784 (int)cap_rid.softSubVer,
4785 (int)cap_rid.bootBlockVer );
4786 data->readlen = strlen( data->rbuffer );
4787 return 0;
4788}
4789
4790static int proc_stats_rid_open(struct inode*, struct file*, u16);
4791static int proc_statsdelta_open( struct inode *inode,
4792 struct file *file ) {
4793 if (file->f_mode&FMODE_WRITE) {
4794 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4795 }
4796 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4797}
4798
4799static int proc_stats_open( struct inode *inode, struct file *file ) {
4800 return proc_stats_rid_open(inode, file, RID_STATS);
4801}
4802
4803static int proc_stats_rid_open( struct inode *inode,
4804 struct file *file,
4805 u16 rid ) {
4806 struct proc_data *data;
4807 struct proc_dir_entry *dp = PDE(inode);
4808 struct net_device *dev = dp->data;
4809 struct airo_info *apriv = dev->priv;
4810 StatsRid stats;
4811 int i, j;
4812 u32 *vals = stats.vals;
4813
b69a3aa8 4814 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 4815 return -ENOMEM;
1da177e4
LT		 4816 data = (struct proc_data *)file->private_data;
4817 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4818 kfree (file->private_data);
4819 return -ENOMEM;
4820 }
4821
4822 readStatsRid(apriv, &stats, rid, 1);
4823
4824 j = 0;
4825 for(i=0; statsLabels[i]!=(char *)-1 &&
4826 i*4<stats.len; i++){
4827 if (!statsLabels[i]) continue;
4828 if (j+strlen(statsLabels[i])+16>4096) {
934d8bf1
DW		 4829 airo_print_warn(apriv->dev->name,
4830 "Potentially disasterous buffer overflow averted!");
1da177e4
LT		 4831 break;
4832 }
4833 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], vals[i]);
4834 }
4835 if (i*4>=stats.len){
934d8bf1 4836 airo_print_warn(apriv->dev->name, "Got a short rid");
1da177e4
LT		 4837 }
4838 data->readlen = j;
4839 return 0;
4840}
4841
4842static int get_dec_u16( char *buffer, int *start, int limit ) {
4843 u16 value;
4844 int valid = 0;
4845 for( value = 0; buffer[*start] >= '0' &&
4846 buffer[*start] <= '9' &&
4847 *start < limit; (*start)++ ) {
4848 valid = 1;
4849 value *= 10;
4850 value += buffer[*start] - '0';
4851 }
4852 if ( !valid ) return -1;
4853 return value;
4854}
4855
4856static int airo_config_commit(struct net_device *dev,
4857 struct iw_request_info *info, void *zwrq,
4858 char *extra);
4859
4860static void proc_config_on_close( struct inode *inode, struct file *file ) {
4861 struct proc_data *data = file->private_data;
4862 struct proc_dir_entry *dp = PDE(inode);
4863 struct net_device *dev = dp->data;
4864 struct airo_info *ai = dev->priv;
4865 char *line;
4866
4867 if ( !data->writelen ) return;
4868
4869 readConfigRid(ai, 1);
4870 set_bit (FLAG_COMMIT, &ai->flags);
4871
4872 line = data->wbuffer;
4873 while( line[0] ) {
4874/*** Mode processing */
4875 if ( !strncmp( line, "Mode: ", 6 ) ) {
4876 line += 6;
4877 if ((ai->config.rmode & 0xff) >= RXMODE_RFMON)
4878 set_bit (FLAG_RESET, &ai->flags);
4879 ai->config.rmode &= 0xfe00;
4880 clear_bit (FLAG_802_11, &ai->flags);
4881 ai->config.opmode &= 0xFF00;
4882 ai->config.scanMode = SCANMODE_ACTIVE;
4883 if ( line[0] == 'a' ) {
4884 ai->config.opmode |= 0;
4885 } else {
4886 ai->config.opmode |= 1;
4887 if ( line[0] == 'r' ) {
4888 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4889 ai->config.scanMode = SCANMODE_PASSIVE;
4890 set_bit (FLAG_802_11, &ai->flags);
4891 } else if ( line[0] == 'y' ) {
4892 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4893 ai->config.scanMode = SCANMODE_PASSIVE;
4894 set_bit (FLAG_802_11, &ai->flags);
4895 } else if ( line[0] == 'l' )
4896 ai->config.rmode |= RXMODE_LANMON;
4897 }
4898 set_bit (FLAG_COMMIT, &ai->flags);
4899 }
4900
4901/*** Radio status */
4902 else if (!strncmp(line,"Radio: ", 7)) {
4903 line += 7;
4904 if (!strncmp(line,"off",3)) {
4905 set_bit (FLAG_RADIO_OFF, &ai->flags);
4906 } else {
4907 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4908 }
4909 }
4910/*** NodeName processing */
4911 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4912 int j;
4913
4914 line += 10;
4915 memset( ai->config.nodeName, 0, 16 );
4916/* Do the name, assume a space between the mode and node name */
4917 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4918 ai->config.nodeName[j] = line[j];
4919 }
4920 set_bit (FLAG_COMMIT, &ai->flags);
4921 }
4922
4923/*** PowerMode processing */
4924 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4925 line += 11;
4926 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4927 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4928 set_bit (FLAG_COMMIT, &ai->flags);
4929 } else if ( !strncmp( line, "PSP", 3 ) ) {
4930 ai->config.powerSaveMode = POWERSAVE_PSP;
4931 set_bit (FLAG_COMMIT, &ai->flags);
4932 } else {
4933 ai->config.powerSaveMode = POWERSAVE_CAM;
4934 set_bit (FLAG_COMMIT, &ai->flags);
4935 }
4936 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4937 int v, i = 0, k = 0; /* i is index into line,
4938 k is index to rates */
4939
4940 line += 11;
4941 while((v = get_dec_u16(line, &i, 3))!=-1) {
4942 ai->config.rates[k++] = (u8)v;
4943 line += i + 1;
4944 i = 0;
4945 }
4946 set_bit (FLAG_COMMIT, &ai->flags);
4947 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4948 int v, i = 0;
4949 line += 9;
4950 v = get_dec_u16(line, &i, i+3);
4951 if ( v != -1 ) {
4952 ai->config.channelSet = (u16)v;
4953 set_bit (FLAG_COMMIT, &ai->flags);
4954 }
4955 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4956 int v, i = 0;
4957 line += 11;
4958 v = get_dec_u16(line, &i, i+3);
4959 if ( v != -1 ) {
4960 ai->config.txPower = (u16)v;
4961 set_bit (FLAG_COMMIT, &ai->flags);
4962 }
4963 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4964 line += 5;
4965 switch( line[0] ) {
4966 case 's':
4967 ai->config.authType = (u16)AUTH_SHAREDKEY;
4968 break;
4969 case 'e':
4970 ai->config.authType = (u16)AUTH_ENCRYPT;
4971 break;
4972 default:
4973 ai->config.authType = (u16)AUTH_OPEN;
4974 break;
4975 }
4976 set_bit (FLAG_COMMIT, &ai->flags);
4977 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4978 int v, i = 0;
4979
4980 line += 16;
4981 v = get_dec_u16(line, &i, 3);
4982 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4983 ai->config.longRetryLimit = (u16)v;
4984 set_bit (FLAG_COMMIT, &ai->flags);
4985 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4986 int v, i = 0;
4987
4988 line += 17;
4989 v = get_dec_u16(line, &i, 3);
4990 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4991 ai->config.shortRetryLimit = (u16)v;
4992 set_bit (FLAG_COMMIT, &ai->flags);
4993 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4994 int v, i = 0;
4995
4996 line += 14;
4997 v = get_dec_u16(line, &i, 4);
15db2763 4998 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
1da177e4
LT		 4999 ai->config.rtsThres = (u16)v;
5000 set_bit (FLAG_COMMIT, &ai->flags);
5001 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
5002 int v, i = 0;
5003
5004 line += 16;
5005 v = get_dec_u16(line, &i, 5);
5006 v = (v<0) ? 0 : v;
5007 ai->config.txLifetime = (u16)v;
5008 set_bit (FLAG_COMMIT, &ai->flags);
5009 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
5010 int v, i = 0;
5011
5012 line += 16;
5013 v = get_dec_u16(line, &i, 5);
5014 v = (v<0) ? 0 : v;
5015 ai->config.rxLifetime = (u16)v;
5016 set_bit (FLAG_COMMIT, &ai->flags);
5017 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
5018 ai->config.txDiversity =
5019 (line[13]=='l') ? 1 :
5020 ((line[13]=='r')? 2: 3);
5021 set_bit (FLAG_COMMIT, &ai->flags);
5022 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
5023 ai->config.rxDiversity =
5024 (line[13]=='l') ? 1 :
5025 ((line[13]=='r')? 2: 3);
5026 set_bit (FLAG_COMMIT, &ai->flags);
5027 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
5028 int v, i = 0;
5029
5030 line += 15;
5031 v = get_dec_u16(line, &i, 4);
15db2763 5032 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
1da177e4
LT		 5033 v = v & 0xfffe; /* Make sure its even */
5034 ai->config.fragThresh = (u16)v;
5035 set_bit (FLAG_COMMIT, &ai->flags);
5036 } else if (!strncmp(line, "Modulation: ", 12)) {
5037 line += 12;
5038 switch(*line) {
5039 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
5040 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
5041 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
934d8bf1 5042 default: airo_print_warn(ai->dev->name, "Unknown modulation");
1da177e4
LT		 5043 }
5044 } else if (!strncmp(line, "Preamble: ", 10)) {
5045 line += 10;
5046 switch(*line) {
5047 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
5048 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5049 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
934d8bf1 5050 default: airo_print_warn(ai->dev->name, "Unknown preamble");
1da177e4
LT		 5051 }
5052 } else {
934d8bf1 5053 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
1da177e4
LT		 5054 }
5055 while( line[0] && line[0] != '\n' ) line++;
5056 if ( line[0] ) line++;
5057 }
5058 airo_config_commit(dev, NULL, NULL, NULL);
5059}
5060
5061static char *get_rmode(u16 mode) {
5062 switch(mode&0xff) {
5063 case RXMODE_RFMON: return "rfmon";
5064 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5065 case RXMODE_LANMON: return "lanmon";
5066 }
5067 return "ESS";
5068}
5069
5070static int proc_config_open( struct inode *inode, struct file *file ) {
5071 struct proc_data *data;
5072 struct proc_dir_entry *dp = PDE(inode);
5073 struct net_device *dev = dp->data;
5074 struct airo_info *ai = dev->priv;
5075 int i;
5076
b69a3aa8 5077 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5078 return -ENOMEM;
1da177e4
LT		 5079 data = (struct proc_data *)file->private_data;
5080 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5081 kfree (file->private_data);
5082 return -ENOMEM;
5083 }
b69a3aa8 5084 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5085 kfree (data->rbuffer);
5086 kfree (file->private_data);
5087 return -ENOMEM;
5088 }
1da177e4
LT		 5089 data->maxwritelen = 2048;
5090 data->on_close = proc_config_on_close;
5091
5092 readConfigRid(ai, 1);
5093
5094 i = sprintf( data->rbuffer,
5095 "Mode: %s\n"
5096 "Radio: %s\n"
5097 "NodeName: %-16s\n"
5098 "PowerMode: %s\n"
5099 "DataRates: %d %d %d %d %d %d %d %d\n"
5100 "Channel: %d\n"
5101 "XmitPower: %d\n",
5102 (ai->config.opmode & 0xFF) == 0 ? "adhoc" :
5103 (ai->config.opmode & 0xFF) == 1 ? get_rmode(ai->config.rmode):
5104 (ai->config.opmode & 0xFF) == 2 ? "AP" :
5105 (ai->config.opmode & 0xFF) == 3 ? "AP RPTR" : "Error",
5106 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5107 ai->config.nodeName,
5108 ai->config.powerSaveMode == 0 ? "CAM" :
5109 ai->config.powerSaveMode == 1 ? "PSP" :
5110 ai->config.powerSaveMode == 2 ? "PSPCAM" : "Error",
5111 (int)ai->config.rates[0],
5112 (int)ai->config.rates[1],
5113 (int)ai->config.rates[2],
5114 (int)ai->config.rates[3],
5115 (int)ai->config.rates[4],
5116 (int)ai->config.rates[5],
5117 (int)ai->config.rates[6],
5118 (int)ai->config.rates[7],
5119 (int)ai->config.channelSet,
5120 (int)ai->config.txPower
5121 );
5122 sprintf( data->rbuffer + i,
5123 "LongRetryLimit: %d\n"
5124 "ShortRetryLimit: %d\n"
5125 "RTSThreshold: %d\n"
5126 "TXMSDULifetime: %d\n"
5127 "RXMSDULifetime: %d\n"
5128 "TXDiversity: %s\n"
5129 "RXDiversity: %s\n"
5130 "FragThreshold: %d\n"
5131 "WEP: %s\n"
5132 "Modulation: %s\n"
5133 "Preamble: %s\n",
5134 (int)ai->config.longRetryLimit,
5135 (int)ai->config.shortRetryLimit,
5136 (int)ai->config.rtsThres,
5137 (int)ai->config.txLifetime,
5138 (int)ai->config.rxLifetime,
5139 ai->config.txDiversity == 1 ? "left" :
5140 ai->config.txDiversity == 2 ? "right" : "both",
5141 ai->config.rxDiversity == 1 ? "left" :
5142 ai->config.rxDiversity == 2 ? "right" : "both",
5143 (int)ai->config.fragThresh,
5144 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5145 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5146 ai->config.modulation == 0 ? "default" :
5147 ai->config.modulation == MOD_CCK ? "cck" :
5148 ai->config.modulation == MOD_MOK ? "mok" : "error",
5149 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5150 ai->config.preamble == PREAMBLE_LONG ? "long" :
5151 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5152 );
5153 data->readlen = strlen( data->rbuffer );
5154 return 0;
5155}
5156
5157static void proc_SSID_on_close( struct inode *inode, struct file *file ) {
5158 struct proc_data *data = (struct proc_data *)file->private_data;
5159 struct proc_dir_entry *dp = PDE(inode);
5160 struct net_device *dev = dp->data;
5161 struct airo_info *ai = dev->priv;
5162 SsidRid SSID_rid;
1da177e4
LT		 5163 int i;
5164 int offset = 0;
5165
5166 if ( !data->writelen ) return;
5167
5168 memset( &SSID_rid, 0, sizeof( SSID_rid ) );
5169
5170 for( i = 0; i < 3; i++ ) {
5171 int j;
5172 for( j = 0; j+offset < data->writelen && j < 32 &&
5173 data->wbuffer[offset+j] != '\n'; j++ ) {
5174 SSID_rid.ssids[i].ssid[j] = data->wbuffer[offset+j];
5175 }
5176 if ( j == 0 ) break;
5177 SSID_rid.ssids[i].len = j;
5178 offset += j;
5179 while( data->wbuffer[offset] != '\n' &&
5180 offset < data->writelen ) offset++;
5181 offset++;
5182 }
5183 if (i)
5184 SSID_rid.len = sizeof(SSID_rid);
5185 disable_MAC(ai, 1);
5186 writeSsidRid(ai, &SSID_rid, 1);
175ec1a1 5187 enable_MAC(ai, 1);
1da177e4
LT		 5188}
5189
77933d72 5190static inline u8 hexVal(char c) {
1da177e4
LT		 5191 if (c>='0' && c<='9') return c -= '0';
5192 if (c>='a' && c<='f') return c -= 'a'-10;
5193 if (c>='A' && c<='F') return c -= 'A'-10;
5194 return 0;
5195}
5196
5197static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5198 struct proc_data *data = (struct proc_data *)file->private_data;
5199 struct proc_dir_entry *dp = PDE(inode);
5200 struct net_device *dev = dp->data;
5201 struct airo_info *ai = dev->priv;
5202 APListRid APList_rid;
1da177e4
LT		 5203 int i;
5204
5205 if ( !data->writelen ) return;
5206
5207 memset( &APList_rid, 0, sizeof(APList_rid) );
5208 APList_rid.len = sizeof(APList_rid);
5209
5210 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5211 int j;
5212 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5213 switch(j%3) {
5214 case 0:
5215 APList_rid.ap[i][j/3]=
5216 hexVal(data->wbuffer[j+i*6*3])<<4;
5217 break;
5218 case 1:
5219 APList_rid.ap[i][j/3]|=
5220 hexVal(data->wbuffer[j+i*6*3]);
5221 break;
5222 }
5223 }
5224 }
5225 disable_MAC(ai, 1);
5226 writeAPListRid(ai, &APList_rid, 1);
175ec1a1 5227 enable_MAC(ai, 1);
1da177e4
LT		 5228}
5229
5230/* This function wraps PC4500_writerid with a MAC disable */
5231static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5232 int len, int dummy ) {
5233 int rc;
1da177e4
LT		 5234
5235 disable_MAC(ai, 1);
5236 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
175ec1a1 5237 enable_MAC(ai, 1);
1da177e4
LT		 5238 return rc;
5239}
5240
5241/* Returns the length of the key at the index. If index == 0xffff
5242 * the index of the transmit key is returned. If the key doesn't exist,
5243 * -1 will be returned.
5244 */
5245static int get_wep_key(struct airo_info *ai, u16 index) {
5246 WepKeyRid wkr;
5247 int rc;
5248 u16 lastindex;
5249
5250 rc = readWepKeyRid(ai, &wkr, 1, 1);
5251 if (rc == SUCCESS) do {
5252 lastindex = wkr.kindex;
5253 if (wkr.kindex == index) {
5254 if (index == 0xffff) {
5255 return wkr.mac[0];
5256 }
5257 return wkr.klen;
5258 }
5259 readWepKeyRid(ai, &wkr, 0, 1);
5260 } while(lastindex != wkr.kindex);
5261 return -1;
5262}
5263
5264static int set_wep_key(struct airo_info *ai, u16 index,
5265 const char *key, u16 keylen, int perm, int lock ) {
5266 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5267 WepKeyRid wkr;
1da177e4
LT		 5268
5269 memset(&wkr, 0, sizeof(wkr));
5270 if (keylen == 0) {
5271// We are selecting which key to use
5272 wkr.len = sizeof(wkr);
5273 wkr.kindex = 0xffff;
5274 wkr.mac[0] = (char)index;
1da177e4
LT		 5275 if (perm) ai->defindex = (char)index;
5276 } else {
5277// We are actually setting the key
5278 wkr.len = sizeof(wkr);
5279 wkr.kindex = index;
5280 wkr.klen = keylen;
5281 memcpy( wkr.key, key, keylen );
5282 memcpy( wkr.mac, macaddr, ETH_ALEN );
1da177e4
LT		 5283 }
5284
f89b2321 5285 if (perm) disable_MAC(ai, lock);
1da177e4 5286 writeWepKeyRid(ai, &wkr, perm, lock);
175ec1a1 5287 if (perm) enable_MAC(ai, lock);
1da177e4
LT		 5288 return 0;
5289}
5290
5291static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5292 struct proc_data *data;
5293 struct proc_dir_entry *dp = PDE(inode);
5294 struct net_device *dev = dp->data;
5295 struct airo_info *ai = dev->priv;
5296 int i;
5297 char key[16];
5298 u16 index = 0;
5299 int j = 0;
5300
5301 memset(key, 0, sizeof(key));
5302
5303 data = (struct proc_data *)file->private_data;
5304 if ( !data->writelen ) return;
5305
5306 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5307 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5308 index = data->wbuffer[0] - '0';
5309 if (data->wbuffer[1] == '\n') {
5310 set_wep_key(ai, index, NULL, 0, 1, 1);
5311 return;
5312 }
5313 j = 2;
5314 } else {
934d8bf1 5315 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
1da177e4
LT		 5316 return;
5317 }
5318
5319 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5320 switch(i%3) {
5321 case 0:
5322 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5323 break;
5324 case 1:
5325 key[i/3] |= hexVal(data->wbuffer[i+j]);
5326 break;
5327 }
5328 }
5329 set_wep_key(ai, index, key, i/3, 1, 1);
5330}
5331
5332static int proc_wepkey_open( struct inode *inode, struct file *file ) {
5333 struct proc_data *data;
5334 struct proc_dir_entry *dp = PDE(inode);
5335 struct net_device *dev = dp->data;
5336 struct airo_info *ai = dev->priv;
5337 char *ptr;
5338 WepKeyRid wkr;
5339 u16 lastindex;
5340 int j=0;
5341 int rc;
5342
b69a3aa8 5343 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5344 return -ENOMEM;
1da177e4
LT		 5345 memset(&wkr, 0, sizeof(wkr));
5346 data = (struct proc_data *)file->private_data;
b69a3aa8 5347 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5348 kfree (file->private_data);
5349 return -ENOMEM;
5350 }
1da177e4
LT		 5351 data->writelen = 0;
5352 data->maxwritelen = 80;
b69a3aa8 5353 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5354 kfree (data->rbuffer);
5355 kfree (file->private_data);
5356 return -ENOMEM;
5357 }
1da177e4
LT		 5358 data->on_close = proc_wepkey_on_close;
5359
5360 ptr = data->rbuffer;
5361 strcpy(ptr, "No wep keys\n");
5362 rc = readWepKeyRid(ai, &wkr, 1, 1);
5363 if (rc == SUCCESS) do {
5364 lastindex = wkr.kindex;
5365 if (wkr.kindex == 0xffff) {
5366 j += sprintf(ptr+j, "Tx key = %d\n",
5367 (int)wkr.mac[0]);
5368 } else {
5369 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5370 (int)wkr.kindex, (int)wkr.klen);
5371 }
5372 readWepKeyRid(ai, &wkr, 0, 1);
5373 } while((lastindex != wkr.kindex) && (j < 180-30));
5374
5375 data->readlen = strlen( data->rbuffer );
5376 return 0;
5377}
5378
5379static int proc_SSID_open( struct inode *inode, struct file *file ) {
5380 struct proc_data *data;
5381 struct proc_dir_entry *dp = PDE(inode);
5382 struct net_device *dev = dp->data;
5383 struct airo_info *ai = dev->priv;
5384 int i;
5385 char *ptr;
5386 SsidRid SSID_rid;
5387
b69a3aa8 5388 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5389 return -ENOMEM;
1da177e4
LT		 5390 data = (struct proc_data *)file->private_data;
5391 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5392 kfree (file->private_data);
5393 return -ENOMEM;
5394 }
5395 data->writelen = 0;
5396 data->maxwritelen = 33*3;
b69a3aa8 5397 if ((data->wbuffer = kzalloc( 33*3, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5398 kfree (data->rbuffer);
5399 kfree (file->private_data);
5400 return -ENOMEM;
5401 }
1da177e4
LT		 5402 data->on_close = proc_SSID_on_close;
5403
5404 readSsidRid(ai, &SSID_rid);
5405 ptr = data->rbuffer;
5406 for( i = 0; i < 3; i++ ) {
5407 int j;
5408 if ( !SSID_rid.ssids[i].len ) break;
5409 for( j = 0; j < 32 &&
5410 j < SSID_rid.ssids[i].len &&
5411 SSID_rid.ssids[i].ssid[j]; j++ ) {
5412 *ptr++ = SSID_rid.ssids[i].ssid[j];
5413 }
5414 *ptr++ = '\n';
5415 }
5416 *ptr = '\0';
5417 data->readlen = strlen( data->rbuffer );
5418 return 0;
5419}
5420
5421static int proc_APList_open( struct inode *inode, struct file *file ) {
5422 struct proc_data *data;
5423 struct proc_dir_entry *dp = PDE(inode);
5424 struct net_device *dev = dp->data;
5425 struct airo_info *ai = dev->priv;
5426 int i;
5427 char *ptr;
5428 APListRid APList_rid;
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( 104, GFP_KERNEL )) == NULL) {
5434 kfree (file->private_data);
5435 return -ENOMEM;
5436 }
5437 data->writelen = 0;
5438 data->maxwritelen = 4*6*3;
b69a3aa8 5439 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5440 kfree (data->rbuffer);
5441 kfree (file->private_data);
5442 return -ENOMEM;
5443 }
1da177e4
LT		 5444 data->on_close = proc_APList_on_close;
5445
5446 readAPListRid(ai, &APList_rid);
5447 ptr = data->rbuffer;
5448 for( i = 0; i < 4; i++ ) {
5449// We end when we find a zero MAC
5450 if ( !*(int*)APList_rid.ap[i] &&
5451 !*(int*)&APList_rid.ap[i][2]) break;
5452 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x\n",
5453 (int)APList_rid.ap[i][0],
5454 (int)APList_rid.ap[i][1],
5455 (int)APList_rid.ap[i][2],
5456 (int)APList_rid.ap[i][3],
5457 (int)APList_rid.ap[i][4],
5458 (int)APList_rid.ap[i][5]);
5459 }
5460 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5461
5462 *ptr = '\0';
5463 data->readlen = strlen( data->rbuffer );
5464 return 0;
5465}
5466
5467static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5468 struct proc_data *data;
5469 struct proc_dir_entry *dp = PDE(inode);
5470 struct net_device *dev = dp->data;
5471 struct airo_info *ai = dev->priv;
5472 char *ptr;
5473 BSSListRid BSSList_rid;
5474 int rc;
5475 /* If doLoseSync is not 1, we won't do a Lose Sync */
5476 int doLoseSync = -1;
5477
b69a3aa8 5478 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5479 return -ENOMEM;
1da177e4
LT		 5480 data = (struct proc_data *)file->private_data;
5481 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5482 kfree (file->private_data);
5483 return -ENOMEM;
5484 }
5485 data->writelen = 0;
5486 data->maxwritelen = 0;
5487 data->wbuffer = NULL;
5488 data->on_close = NULL;
5489
5490 if (file->f_mode & FMODE_WRITE) {
5491 if (!(file->f_mode & FMODE_READ)) {
5492 Cmd cmd;
5493 Resp rsp;
5494
5495 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5496 memset(&cmd, 0, sizeof(cmd));
5497 cmd.cmd=CMD_LISTBSS;
5498 if (down_interruptible(&ai->sem))
5499 return -ERESTARTSYS;
5500 issuecommand(ai, &cmd, &rsp);
5501 up(&ai->sem);
5502 data->readlen = 0;
5503 return 0;
5504 }
5505 doLoseSync = 1;
5506 }
5507 ptr = data->rbuffer;
5508 /* There is a race condition here if there are concurrent opens.
5509 Since it is a rare condition, we'll just live with it, otherwise
5510 we have to add a spin lock... */
5511 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5512 while(rc == 0 && BSSList_rid.index != 0xffff) {
5513 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x %*s rssi = %d",
5514 (int)BSSList_rid.bssid[0],
5515 (int)BSSList_rid.bssid[1],
5516 (int)BSSList_rid.bssid[2],
5517 (int)BSSList_rid.bssid[3],
5518 (int)BSSList_rid.bssid[4],
5519 (int)BSSList_rid.bssid[5],
5520 (int)BSSList_rid.ssidLen,
5521 BSSList_rid.ssid,
41480af2 5522 (int)BSSList_rid.dBm);
1da177e4
LT		 5523 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5524 (int)BSSList_rid.dsChannel,
5525 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5526 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5527 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5528 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5529 rc = readBSSListRid(ai, 0, &BSSList_rid);
5530 }
5531 *ptr = '\0';
5532 data->readlen = strlen( data->rbuffer );
5533 return 0;
5534}
5535
5536static int proc_close( struct inode *inode, struct file *file )
5537{
b4558ea9
JJ		 5538 struct proc_data *data = file->private_data;
5539
5540 if (data->on_close != NULL)
5541 data->on_close(inode, file);
5542 kfree(data->rbuffer);
5543 kfree(data->wbuffer);
5544 kfree(data);
1da177e4
LT		 5545 return 0;
5546}
5547
1da177e4
LT		 5548/* Since the card doesn't automatically switch to the right WEP mode,
5549 we will make it do it. If the card isn't associated, every secs we
5550 will switch WEP modes to see if that will help. If the card is
5551 associated we will check every minute to see if anything has
5552 changed. */
5553static void timer_func( struct net_device *dev ) {
5554 struct airo_info *apriv = dev->priv;
1da177e4
LT		 5555
5556/* We don't have a link so try changing the authtype */
5557 readConfigRid(apriv, 0);
5558 disable_MAC(apriv, 0);
5559 switch(apriv->config.authType) {
5560 case AUTH_ENCRYPT:
5561/* So drop to OPEN */
5562 apriv->config.authType = AUTH_OPEN;
5563 break;
5564 case AUTH_SHAREDKEY:
5565 if (apriv->keyindex < auto_wep) {
5566 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5567 apriv->config.authType = AUTH_SHAREDKEY;
5568 apriv->keyindex++;
5569 } else {
5570 /* Drop to ENCRYPT */
5571 apriv->keyindex = 0;
5572 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5573 apriv->config.authType = AUTH_ENCRYPT;
5574 }
5575 break;
5576 default: /* We'll escalate to SHAREDKEY */
5577 apriv->config.authType = AUTH_SHAREDKEY;
5578 }
5579 set_bit (FLAG_COMMIT, &apriv->flags);
5580 writeConfigRid(apriv, 0);
175ec1a1 5581 enable_MAC(apriv, 0);
1da177e4
LT		 5582 up(&apriv->sem);
5583
5584/* Schedule check to see if the change worked */
3c304956 5585 clear_bit(JOB_AUTOWEP, &apriv->jobs);
1da177e4
LT		 5586 apriv->expires = RUN_AT(HZ*3);
5587}
5588
1da177e4
LT		 5589#ifdef CONFIG_PCI
5590static int __devinit airo_pci_probe(struct pci_dev *pdev,
5591 const struct pci_device_id *pent)
5592{
5593 struct net_device *dev;
5594
5595 if (pci_enable_device(pdev))
5596 return -ENODEV;
5597 pci_set_master(pdev);
5598
5599 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5600 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5601 else
5602 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
777ec5e9
MS		 5603 if (!dev) {
5604 pci_disable_device(pdev);
1da177e4 5605 return -ENODEV;
777ec5e9 5606 }
1da177e4
LT		 5607
5608 pci_set_drvdata(pdev, dev);
5609 return 0;
5610}
5611
5612static void __devexit airo_pci_remove(struct pci_dev *pdev)
5613{
af5b5c9a
MS		 5614 struct net_device *dev = pci_get_drvdata(pdev);
5615
5616 airo_print_info(dev->name, "Unregistering...");
5617 stop_airo_card(dev, 1);
777ec5e9
MS		 5618 pci_disable_device(pdev);
5619 pci_set_drvdata(pdev, NULL);
1da177e4
LT		 5620}
5621
05adc3b7 5622static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
1da177e4
LT		 5623{
5624 struct net_device *dev = pci_get_drvdata(pdev);
5625 struct airo_info *ai = dev->priv;
5626 Cmd cmd;
5627 Resp rsp;
5628
5629 if ((ai->APList == NULL) &&
5630 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5631 return -ENOMEM;
5632 if ((ai->SSID == NULL) &&
5633 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5634 return -ENOMEM;
5635 readAPListRid(ai, ai->APList);
5636 readSsidRid(ai, ai->SSID);
5637 memset(&cmd, 0, sizeof(cmd));
5638 /* the lock will be released at the end of the resume callback */
5639 if (down_interruptible(&ai->sem))
5640 return -EAGAIN;
5641 disable_MAC(ai, 0);
5642 netif_device_detach(dev);
5643 ai->power = state;
5644 cmd.cmd=HOSTSLEEP;
5645 issuecommand(ai, &cmd, &rsp);
5646
1cc68ae0 5647 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
1da177e4 5648 pci_save_state(pdev);
1cc68ae0 5649 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
1da177e4
LT		 5650}
5651
5652static int airo_pci_resume(struct pci_dev *pdev)
5653{
5654 struct net_device *dev = pci_get_drvdata(pdev);
5655 struct airo_info *ai = dev->priv;
53232803 5656 pci_power_t prev_state = pdev->current_state;
1da177e4 5657
53232803 5658 pci_set_power_state(pdev, PCI_D0);
1da177e4 5659 pci_restore_state(pdev);
53232803 5660 pci_enable_wake(pdev, PCI_D0, 0);
1da177e4 5661
53232803 5662 if (prev_state != PCI_D1) {
1da177e4
LT		 5663 reset_card(dev, 0);
5664 mpi_init_descriptors(ai);
5665 setup_card(ai, dev->dev_addr, 0);
5666 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5667 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5668 } else {
5669 OUT4500(ai, EVACK, EV_AWAKEN);
5670 OUT4500(ai, EVACK, EV_AWAKEN);
5671 msleep(100);
5672 }
5673
5674 set_bit (FLAG_COMMIT, &ai->flags);
5675 disable_MAC(ai, 0);
5676 msleep(200);
5677 if (ai->SSID) {
5678 writeSsidRid(ai, ai->SSID, 0);
5679 kfree(ai->SSID);
5680 ai->SSID = NULL;
5681 }
5682 if (ai->APList) {
5683 writeAPListRid(ai, ai->APList, 0);
5684 kfree(ai->APList);
5685 ai->APList = NULL;
5686 }
5687 writeConfigRid(ai, 0);
175ec1a1 5688 enable_MAC(ai, 0);
1cc68ae0 5689 ai->power = PMSG_ON;
1da177e4
LT		 5690 netif_device_attach(dev);
5691 netif_wake_queue(dev);
5692 enable_interrupts(ai);
5693 up(&ai->sem);
5694 return 0;
5695}
5696#endif
5697
5698static int __init airo_init_module( void )
5699{
de897881
JG		 5700 int i;
5701#if 0
5702 int have_isa_dev = 0;
5703#endif
1da177e4
LT		 5704
5705 airo_entry = create_proc_entry("aironet",
5706 S_IFDIR | airo_perm,
5707 proc_root_driver);
de897881
JG		 5708
5709 if (airo_entry) {
5710 airo_entry->uid = proc_uid;
5711 airo_entry->gid = proc_gid;
5712 }
1da177e4
LT		 5713
5714 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
934d8bf1
DW		 5715 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5716 "io=0x%x", irq[i], io[i] );
1da177e4 5717 if (init_airo_card( irq[i], io[i], 0, NULL ))
de897881 5718#if 0
1da177e4 5719 have_isa_dev = 1;
de897881
JG		 5720#else
5721 /* do nothing */ ;
5722#endif
1da177e4
LT		 5723 }
5724
5725#ifdef CONFIG_PCI
934d8bf1 5726 airo_print_info("", "Probing for PCI adapters");
de897881 5727 i = pci_register_driver(&airo_driver);
934d8bf1 5728 airo_print_info("", "Finished probing for PCI adapters");
de897881
JG		 5729
5730 if (i) {
5731 remove_proc_entry("aironet", proc_root_driver);
5732 return i;
5733 }
1da177e4
LT		 5734#endif
5735
5736 /* Always exit with success, as we are a library module
5737 * as well as a driver module
5738 */
5739 return 0;
5740}
5741
5742static void __exit airo_cleanup_module( void )
5743{
af5b5c9a
MS		 5744 struct airo_info *ai;
5745 while(!list_empty(&airo_devices)) {
5746 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5747 airo_print_info(ai->dev->name, "Unregistering...");
5748 stop_airo_card(ai->dev, 1);
1da177e4
LT		 5749 }
5750#ifdef CONFIG_PCI
5751 pci_unregister_driver(&airo_driver);
5752#endif
5753 remove_proc_entry("aironet", proc_root_driver);
5754}
5755
1da177e4
LT		 5756/*
5757 * Initial Wireless Extension code for Aironet driver by :
5758 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5759 * Conversion to new driver API by :
5760 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5761 * Javier also did a good amount of work here, adding some new extensions
5762 * and fixing my code. Let's just say that without him this code just
5763 * would not work at all... - Jean II
5764 */
5765
41480af2
DW		 5766static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5767{
5768 if( !rssi_rid )
5769 return 0;
5770
5771 return (0x100 - rssi_rid[rssi].rssidBm);
5772}
5773
5774static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5775{
5776 int i;
5777
5778 if( !rssi_rid )
5779 return 0;
5780
5781 for( i = 0; i < 256; i++ )
5782 if (rssi_rid[i].rssidBm == dbm)
5783 return rssi_rid[i].rssipct;
5784
5785 return 0;
5786}
5787
5788
1da177e4
LT		 5789static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5790{
5791 int quality = 0;
5792
5793 if ((status_rid->mode & 0x3f) == 0x3f && (cap_rid->hardCap & 8)) {
5794 if (memcmp(cap_rid->prodName, "350", 3))
5795 if (status_rid->signalQuality > 0x20)
5796 quality = 0;
5797 else
5798 quality = 0x20 - status_rid->signalQuality;
5799 else
5800 if (status_rid->signalQuality > 0xb0)
5801 quality = 0;
5802 else if (status_rid->signalQuality < 0x10)
5803 quality = 0xa0;
5804 else
5805 quality = 0xb0 - status_rid->signalQuality;
5806 }
5807 return quality;
5808}
5809
5810#define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5811#define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5812
5813/*------------------------------------------------------------------*/
5814/*
5815 * Wireless Handler : get protocol name
5816 */
5817static int airo_get_name(struct net_device *dev,
5818 struct iw_request_info *info,
5819 char *cwrq,
5820 char *extra)
5821{
5822 strcpy(cwrq, "IEEE 802.11-DS");
5823 return 0;
5824}
5825
5826/*------------------------------------------------------------------*/
5827/*
5828 * Wireless Handler : set frequency
5829 */
5830static int airo_set_freq(struct net_device *dev,
5831 struct iw_request_info *info,
5832 struct iw_freq *fwrq,
5833 char *extra)
5834{
5835 struct airo_info *local = dev->priv;
5836 int rc = -EINPROGRESS; /* Call commit handler */
5837
5838 /* If setting by frequency, convert to a channel */
5839 if((fwrq->e == 1) &&
5840 (fwrq->m >= (int) 2.412e8) &&
5841 (fwrq->m <= (int) 2.487e8)) {
5842 int f = fwrq->m / 100000;
5843 int c = 0;
5844 while((c < 14) && (f != frequency_list[c]))
5845 c++;
5846 /* Hack to fall through... */
5847 fwrq->e = 0;
5848 fwrq->m = c + 1;
5849 }
5850 /* Setting by channel number */
5851 if((fwrq->m > 1000) || (fwrq->e > 0))
5852 rc = -EOPNOTSUPP;
5853 else {
5854 int channel = fwrq->m;
5855 /* We should do a better check than that,
5856 * based on the card capability !!! */
2610c733 5857 if((channel < 1) || (channel > 14)) {
934d8bf1
DW		 5858 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5859 fwrq->m);
1da177e4
LT		 5860 rc = -EINVAL;
5861 } else {
5862 readConfigRid(local, 1);
5863 /* Yes ! We can set it !!! */
2610c733 5864 local->config.channelSet = (u16) channel;
1da177e4
LT		 5865 set_bit (FLAG_COMMIT, &local->flags);
5866 }
5867 }
5868 return rc;
5869}
5870
5871/*------------------------------------------------------------------*/
5872/*
5873 * Wireless Handler : get frequency
5874 */
5875static int airo_get_freq(struct net_device *dev,
5876 struct iw_request_info *info,
5877 struct iw_freq *fwrq,
5878 char *extra)
5879{
5880 struct airo_info *local = dev->priv;
5881 StatusRid status_rid; /* Card status info */
2610c733 5882 int ch;
1da177e4
LT		 5883
5884 readConfigRid(local, 1);
5885 if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
5886 status_rid.channel = local->config.channelSet;
5887 else
5888 readStatusRid(local, &status_rid, 1);
5889
2610c733
JA		 5890 ch = (int)status_rid.channel;
5891 if((ch > 0) && (ch < 15)) {
5892 fwrq->m = frequency_list[ch - 1] * 100000;
1da177e4 5893 fwrq->e = 1;
2610c733
JA		 5894 } else {
5895 fwrq->m = ch;
5896 fwrq->e = 0;
1da177e4 5897 }
1da177e4
LT		 5898
5899 return 0;
5900}
5901
5902/*------------------------------------------------------------------*/
5903/*
5904 * Wireless Handler : set ESSID
5905 */
5906static int airo_set_essid(struct net_device *dev,
5907 struct iw_request_info *info,
5908 struct iw_point *dwrq,
5909 char *extra)
5910{
5911 struct airo_info *local = dev->priv;
1da177e4
LT		 5912 SsidRid SSID_rid; /* SSIDs */
5913
5914 /* Reload the list of current SSID */
5915 readSsidRid(local, &SSID_rid);
5916
5917 /* Check if we asked for `any' */
5918 if(dwrq->flags == 0) {
5919 /* Just send an empty SSID list */
5920 memset(&SSID_rid, 0, sizeof(SSID_rid));
5921 } else {
5922 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5923
5924 /* Check the size of the string */
7f8544cc 5925 if(dwrq->length > IW_ESSID_MAX_SIZE) {
1da177e4
LT		 5926 return -E2BIG ;
5927 }
5928 /* Check if index is valid */
5929 if((index < 0) || (index >= 4)) {
5930 return -EINVAL;
5931 }
5932
5933 /* Set the SSID */
5934 memset(SSID_rid.ssids[index].ssid, 0,
5935 sizeof(SSID_rid.ssids[index].ssid));
5936 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
7f8544cc 5937 SSID_rid.ssids[index].len = dwrq->length;
1da177e4
LT		 5938 }
5939 SSID_rid.len = sizeof(SSID_rid);
5940 /* Write it to the card */
5941 disable_MAC(local, 1);
5942 writeSsidRid(local, &SSID_rid, 1);
175ec1a1 5943 enable_MAC(local, 1);
1da177e4
LT		 5944
5945 return 0;
5946}
5947
5948/*------------------------------------------------------------------*/
5949/*
5950 * Wireless Handler : get ESSID
5951 */
5952static int airo_get_essid(struct net_device *dev,
5953 struct iw_request_info *info,
5954 struct iw_point *dwrq,
5955 char *extra)
5956{
5957 struct airo_info *local = dev->priv;
5958 StatusRid status_rid; /* Card status info */
5959
5960 readStatusRid(local, &status_rid, 1);
5961
5962 /* Note : if dwrq->flags != 0, we should
5963 * get the relevant SSID from the SSID list... */
5964
5965 /* Get the current SSID */
5966 memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
1da177e4
LT		 5967 /* If none, we may want to get the one that was set */
5968
5969 /* Push it out ! */
d6a13a24 5970 dwrq->length = status_rid.SSIDlen;
1da177e4
LT		 5971 dwrq->flags = 1; /* active */
5972
5973 return 0;
5974}
5975
5976/*------------------------------------------------------------------*/
5977/*
5978 * Wireless Handler : set AP address
5979 */
5980static int airo_set_wap(struct net_device *dev,
5981 struct iw_request_info *info,
5982 struct sockaddr *awrq,
5983 char *extra)
5984{
5985 struct airo_info *local = dev->priv;
5986 Cmd cmd;
5987 Resp rsp;
5988 APListRid APList_rid;
4be757dd
DW		 5989 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5990 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
1da177e4
LT		 5991
5992 if (awrq->sa_family != ARPHRD_ETHER)
5993 return -EINVAL;
4be757dd
DW		 5994 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5995 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
1da177e4
LT		 5996 memset(&cmd, 0, sizeof(cmd));
5997 cmd.cmd=CMD_LOSE_SYNC;
5998 if (down_interruptible(&local->sem))
5999 return -ERESTARTSYS;
6000 issuecommand(local, &cmd, &rsp);
6001 up(&local->sem);
6002 } else {
6003 memset(&APList_rid, 0, sizeof(APList_rid));
6004 APList_rid.len = sizeof(APList_rid);
6005 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
6006 disable_MAC(local, 1);
6007 writeAPListRid(local, &APList_rid, 1);
175ec1a1 6008 enable_MAC(local, 1);
1da177e4
LT		 6009 }
6010 return 0;
6011}
6012
6013/*------------------------------------------------------------------*/
6014/*
6015 * Wireless Handler : get AP address
6016 */
6017static int airo_get_wap(struct net_device *dev,
6018 struct iw_request_info *info,
6019 struct sockaddr *awrq,
6020 char *extra)
6021{
6022 struct airo_info *local = dev->priv;
6023 StatusRid status_rid; /* Card status info */
6024
6025 readStatusRid(local, &status_rid, 1);
6026
6027 /* Tentative. This seems to work, wow, I'm lucky !!! */
6028 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6029 awrq->sa_family = ARPHRD_ETHER;
6030
6031 return 0;
6032}
6033
6034/*------------------------------------------------------------------*/
6035/*
6036 * Wireless Handler : set Nickname
6037 */
6038static int airo_set_nick(struct net_device *dev,
6039 struct iw_request_info *info,
6040 struct iw_point *dwrq,
6041 char *extra)
6042{
6043 struct airo_info *local = dev->priv;
6044
6045 /* Check the size of the string */
7f8544cc 6046 if(dwrq->length > 16) {
1da177e4
LT		 6047 return -E2BIG;
6048 }
6049 readConfigRid(local, 1);
6050 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6051 memcpy(local->config.nodeName, extra, dwrq->length);
6052 set_bit (FLAG_COMMIT, &local->flags);
6053
6054 return -EINPROGRESS; /* Call commit handler */
6055}
6056
6057/*------------------------------------------------------------------*/
6058/*
6059 * Wireless Handler : get Nickname
6060 */
6061static int airo_get_nick(struct net_device *dev,
6062 struct iw_request_info *info,
6063 struct iw_point *dwrq,
6064 char *extra)
6065{
6066 struct airo_info *local = dev->priv;
6067
6068 readConfigRid(local, 1);
6069 strncpy(extra, local->config.nodeName, 16);
6070 extra[16] = '\0';
7f8544cc 6071 dwrq->length = strlen(extra);
1da177e4
LT		 6072
6073 return 0;
6074}
6075
6076/*------------------------------------------------------------------*/
6077/*
6078 * Wireless Handler : set Bit-Rate
6079 */
6080static int airo_set_rate(struct net_device *dev,
6081 struct iw_request_info *info,
6082 struct iw_param *vwrq,
6083 char *extra)
6084{
6085 struct airo_info *local = dev->priv;
6086 CapabilityRid cap_rid; /* Card capability info */
6087 u8 brate = 0;
6088 int i;
6089
6090 /* First : get a valid bit rate value */
6091 readCapabilityRid(local, &cap_rid, 1);
6092
6093 /* Which type of value ? */
6094 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6095 /* Setting by rate index */
6096 /* Find value in the magic rate table */
6097 brate = cap_rid.supportedRates[vwrq->value];
6098 } else {
6099 /* Setting by frequency value */
6100 u8 normvalue = (u8) (vwrq->value/500000);
6101
6102 /* Check if rate is valid */
6103 for(i = 0 ; i < 8 ; i++) {
6104 if(normvalue == cap_rid.supportedRates[i]) {
6105 brate = normvalue;
6106 break;
6107 }
6108 }
6109 }
6110 /* -1 designed the max rate (mostly auto mode) */
6111 if(vwrq->value == -1) {
6112 /* Get the highest available rate */
6113 for(i = 0 ; i < 8 ; i++) {
6114 if(cap_rid.supportedRates[i] == 0)
6115 break;
6116 }
6117 if(i != 0)
6118 brate = cap_rid.supportedRates[i - 1];
6119 }
6120 /* Check that it is valid */
6121 if(brate == 0) {
6122 return -EINVAL;
6123 }
6124
6125 readConfigRid(local, 1);
6126 /* Now, check if we want a fixed or auto value */
6127 if(vwrq->fixed == 0) {
6128 /* Fill all the rates up to this max rate */
6129 memset(local->config.rates, 0, 8);
6130 for(i = 0 ; i < 8 ; i++) {
6131 local->config.rates[i] = cap_rid.supportedRates[i];
6132 if(local->config.rates[i] == brate)
6133 break;
6134 }
6135 } else {
6136 /* Fixed mode */
6137 /* One rate, fixed */
6138 memset(local->config.rates, 0, 8);
6139 local->config.rates[0] = brate;
6140 }
6141 set_bit (FLAG_COMMIT, &local->flags);
6142
6143 return -EINPROGRESS; /* Call commit handler */
6144}
6145
6146/*------------------------------------------------------------------*/
6147/*
6148 * Wireless Handler : get Bit-Rate
6149 */
6150static int airo_get_rate(struct net_device *dev,
6151 struct iw_request_info *info,
6152 struct iw_param *vwrq,
6153 char *extra)
6154{
6155 struct airo_info *local = dev->priv;
6156 StatusRid status_rid; /* Card status info */
6157
6158 readStatusRid(local, &status_rid, 1);
6159
6160 vwrq->value = status_rid.currentXmitRate * 500000;
6161 /* If more than one rate, set auto */
6162 readConfigRid(local, 1);
6163 vwrq->fixed = (local->config.rates[1] == 0);
6164
6165 return 0;
6166}
6167
6168/*------------------------------------------------------------------*/
6169/*
6170 * Wireless Handler : set RTS threshold
6171 */
6172static int airo_set_rts(struct net_device *dev,
6173 struct iw_request_info *info,
6174 struct iw_param *vwrq,
6175 char *extra)
6176{
6177 struct airo_info *local = dev->priv;
6178 int rthr = vwrq->value;
6179
6180 if(vwrq->disabled)
15db2763
DW		 6181 rthr = AIRO_DEF_MTU;
6182 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
1da177e4
LT		 6183 return -EINVAL;
6184 }
6185 readConfigRid(local, 1);
6186 local->config.rtsThres = rthr;
6187 set_bit (FLAG_COMMIT, &local->flags);
6188
6189 return -EINPROGRESS; /* Call commit handler */
6190}
6191
6192/*------------------------------------------------------------------*/
6193/*
6194 * Wireless Handler : get RTS threshold
6195 */
6196static int airo_get_rts(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.rtsThres;
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 Fragmentation threshold
6214 */
6215static int airo_set_frag(struct net_device *dev,
6216 struct iw_request_info *info,
6217 struct iw_param *vwrq,
6218 char *extra)
6219{
6220 struct airo_info *local = dev->priv;
6221 int fthr = vwrq->value;
6222
6223 if(vwrq->disabled)
15db2763
DW		 6224 fthr = AIRO_DEF_MTU;
6225 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
1da177e4
LT		 6226 return -EINVAL;
6227 }
6228 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6229 readConfigRid(local, 1);
6230 local->config.fragThresh = (u16)fthr;
6231 set_bit (FLAG_COMMIT, &local->flags);
6232
6233 return -EINPROGRESS; /* Call commit handler */
6234}
6235
6236/*------------------------------------------------------------------*/
6237/*
6238 * Wireless Handler : get Fragmentation threshold
6239 */
6240static int airo_get_frag(struct net_device *dev,
6241 struct iw_request_info *info,
6242 struct iw_param *vwrq,
6243 char *extra)
6244{
6245 struct airo_info *local = dev->priv;
6246
6247 readConfigRid(local, 1);
6248 vwrq->value = local->config.fragThresh;
15db2763 6249 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
1da177e4
LT		 6250 vwrq->fixed = 1;
6251
6252 return 0;
6253}
6254
6255/*------------------------------------------------------------------*/
6256/*
6257 * Wireless Handler : set Mode of Operation
6258 */
6259static int airo_set_mode(struct net_device *dev,
6260 struct iw_request_info *info,
6261 __u32 *uwrq,
6262 char *extra)
6263{
6264 struct airo_info *local = dev->priv;
6265 int reset = 0;
6266
6267 readConfigRid(local, 1);
6268 if ((local->config.rmode & 0xff) >= RXMODE_RFMON)
6269 reset = 1;
6270
6271 switch(*uwrq) {
6272 case IW_MODE_ADHOC:
6273 local->config.opmode &= 0xFF00;
6274 local->config.opmode |= MODE_STA_IBSS;
6275 local->config.rmode &= 0xfe00;
6276 local->config.scanMode = SCANMODE_ACTIVE;
6277 clear_bit (FLAG_802_11, &local->flags);
6278 break;
6279 case IW_MODE_INFRA:
6280 local->config.opmode &= 0xFF00;
6281 local->config.opmode |= MODE_STA_ESS;
6282 local->config.rmode &= 0xfe00;
6283 local->config.scanMode = SCANMODE_ACTIVE;
6284 clear_bit (FLAG_802_11, &local->flags);
6285 break;
6286 case IW_MODE_MASTER:
6287 local->config.opmode &= 0xFF00;
6288 local->config.opmode |= MODE_AP;
6289 local->config.rmode &= 0xfe00;
6290 local->config.scanMode = SCANMODE_ACTIVE;
6291 clear_bit (FLAG_802_11, &local->flags);
6292 break;
6293 case IW_MODE_REPEAT:
6294 local->config.opmode &= 0xFF00;
6295 local->config.opmode |= MODE_AP_RPTR;
6296 local->config.rmode &= 0xfe00;
6297 local->config.scanMode = SCANMODE_ACTIVE;
6298 clear_bit (FLAG_802_11, &local->flags);
6299 break;
6300 case IW_MODE_MONITOR:
6301 local->config.opmode &= 0xFF00;
6302 local->config.opmode |= MODE_STA_ESS;
6303 local->config.rmode &= 0xfe00;
6304 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6305 local->config.scanMode = SCANMODE_PASSIVE;
6306 set_bit (FLAG_802_11, &local->flags);
6307 break;
6308 default:
6309 return -EINVAL;
6310 }
6311 if (reset)
6312 set_bit (FLAG_RESET, &local->flags);
6313 set_bit (FLAG_COMMIT, &local->flags);
6314
6315 return -EINPROGRESS; /* Call commit handler */
6316}
6317
6318/*------------------------------------------------------------------*/
6319/*
6320 * Wireless Handler : get Mode of Operation
6321 */
6322static int airo_get_mode(struct net_device *dev,
6323 struct iw_request_info *info,
6324 __u32 *uwrq,
6325 char *extra)
6326{
6327 struct airo_info *local = dev->priv;
6328
6329 readConfigRid(local, 1);
6330 /* If not managed, assume it's ad-hoc */
6331 switch (local->config.opmode & 0xFF) {
6332 case MODE_STA_ESS:
6333 *uwrq = IW_MODE_INFRA;
6334 break;
6335 case MODE_AP:
6336 *uwrq = IW_MODE_MASTER;
6337 break;
6338 case MODE_AP_RPTR:
6339 *uwrq = IW_MODE_REPEAT;
6340 break;
6341 default:
6342 *uwrq = IW_MODE_ADHOC;
6343 }
6344
6345 return 0;
6346}
6347
6348/*------------------------------------------------------------------*/
6349/*
6350 * Wireless Handler : set Encryption Key
6351 */
6352static int airo_set_encode(struct net_device *dev,
6353 struct iw_request_info *info,
6354 struct iw_point *dwrq,
6355 char *extra)
6356{
6357 struct airo_info *local = dev->priv;
6358 CapabilityRid cap_rid; /* Card capability info */
f89b2321
DS		 6359 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6360 u16 currentAuthType = local->config.authType;
1da177e4
LT		 6361
6362 /* Is WEP supported ? */
6363 readCapabilityRid(local, &cap_rid, 1);
6364 /* Older firmware doesn't support this...
6365 if(!(cap_rid.softCap & 2)) {
6366 return -EOPNOTSUPP;
6367 } */
6368 readConfigRid(local, 1);
6369
6370 /* Basic checking: do we have a key to set ?
6371 * Note : with the new API, it's impossible to get a NULL pointer.
6372 * Therefore, we need to check a key size == 0 instead.
6373 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6374 * when no key is present (only change flags), but older versions
6375 * don't do it. - Jean II */
6376 if (dwrq->length > 0) {
6377 wep_key_t key;
6378 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6379 int current_index = get_wep_key(local, 0xffff);
6380 /* Check the size of the key */
6381 if (dwrq->length > MAX_KEY_SIZE) {
6382 return -EINVAL;
6383 }
6384 /* Check the index (none -> use current) */
6385 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4:1)))
6386 index = current_index;
6387 /* Set the length */
6388 if (dwrq->length > MIN_KEY_SIZE)
6389 key.len = MAX_KEY_SIZE;
6390 else
6391 if (dwrq->length > 0)
6392 key.len = MIN_KEY_SIZE;
6393 else
6394 /* Disable the key */
6395 key.len = 0;
6396 /* Check if the key is not marked as invalid */
6397 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6398 /* Cleanup */
6399 memset(key.key, 0, MAX_KEY_SIZE);
6400 /* Copy the key in the driver */
6401 memcpy(key.key, extra, dwrq->length);
6402 /* Send the key to the card */
f89b2321 6403 set_wep_key(local, index, key.key, key.len, perm, 1);
1da177e4
LT		 6404 }
6405 /* WE specify that if a valid key is set, encryption
6406 * should be enabled (user may turn it off later)
6407 * This is also how "iwconfig ethX key on" works */
6408 if((index == current_index) && (key.len > 0) &&
6409 (local->config.authType == AUTH_OPEN)) {
6410 local->config.authType = AUTH_ENCRYPT;
1da177e4
LT		 6411 }
6412 } else {
6413 /* Do we want to just set the transmit key index ? */
6414 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6415 if ((index >= 0) && (index < ((cap_rid.softCap & 0x80)?4:1))) {
f89b2321 6416 set_wep_key(local, index, NULL, 0, perm, 1);
1da177e4
LT		 6417 } else
6418 /* Don't complain if only change the mode */
6419 if(!dwrq->flags & IW_ENCODE_MODE) {
6420 return -EINVAL;
6421 }
6422 }
6423 /* Read the flags */
6424 if(dwrq->flags & IW_ENCODE_DISABLED)
6425 local->config.authType = AUTH_OPEN; // disable encryption
6426 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6427 local->config.authType = AUTH_SHAREDKEY; // Only Both
6428 if(dwrq->flags & IW_ENCODE_OPEN)
6429 local->config.authType = AUTH_ENCRYPT; // Only Wep
6430 /* Commit the changes to flags if needed */
f89b2321 6431 if (local->config.authType != currentAuthType)
1da177e4
LT		 6432 set_bit (FLAG_COMMIT, &local->flags);
6433 return -EINPROGRESS; /* Call commit handler */
6434}
6435
6436/*------------------------------------------------------------------*/
6437/*
6438 * Wireless Handler : get Encryption Key
6439 */
6440static int airo_get_encode(struct net_device *dev,
6441 struct iw_request_info *info,
6442 struct iw_point *dwrq,
6443 char *extra)
6444{
6445 struct airo_info *local = dev->priv;
6446 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6447 CapabilityRid cap_rid; /* Card capability info */
6448
6449 /* Is it supported ? */
6450 readCapabilityRid(local, &cap_rid, 1);
6451 if(!(cap_rid.softCap & 2)) {
6452 return -EOPNOTSUPP;
6453 }
6454 readConfigRid(local, 1);
6455 /* Check encryption mode */
6456 switch(local->config.authType) {
6457 case AUTH_ENCRYPT:
6458 dwrq->flags = IW_ENCODE_OPEN;
6459 break;
6460 case AUTH_SHAREDKEY:
6461 dwrq->flags = IW_ENCODE_RESTRICTED;
6462 break;
6463 default:
6464 case AUTH_OPEN:
6465 dwrq->flags = IW_ENCODE_DISABLED;
6466 break;
6467 }
6468 /* We can't return the key, so set the proper flag and return zero */
6469 dwrq->flags |= IW_ENCODE_NOKEY;
6470 memset(extra, 0, 16);
6471
6472 /* Which key do we want ? -1 -> tx index */
6473 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4 : 1)))
6474 index = get_wep_key(local, 0xffff);
6475 dwrq->flags |= index + 1;
6476 /* Copy the key to the user buffer */
6477 dwrq->length = get_wep_key(local, index);
6478 if (dwrq->length > 16) {
6479 dwrq->length=0;
6480 }
6481 return 0;
6482}
6483
4be757dd
DW		 6484/*------------------------------------------------------------------*/
6485/*
6486 * Wireless Handler : set extended Encryption parameters
6487 */
6488static int airo_set_encodeext(struct net_device *dev,
6489 struct iw_request_info *info,
6490 union iwreq_data *wrqu,
6491 char *extra)
6492{
6493 struct airo_info *local = dev->priv;
6494 struct iw_point *encoding = &wrqu->encoding;
6495 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6496 CapabilityRid cap_rid; /* Card capability info */
6497 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6498 u16 currentAuthType = local->config.authType;
22d8846e 6499 int idx, key_len, alg = ext->alg, set_key = 1;
4be757dd
DW		 6500 wep_key_t key;
6501
6502 /* Is WEP supported ? */
6503 readCapabilityRid(local, &cap_rid, 1);
6504 /* Older firmware doesn't support this...
6505 if(!(cap_rid.softCap & 2)) {
6506 return -EOPNOTSUPP;
6507 } */
6508 readConfigRid(local, 1);
6509
6510 /* Determine and validate the key index */
6511 idx = encoding->flags & IW_ENCODE_INDEX;
6512 if (idx) {
6513 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6514 return -EINVAL;
6515 idx--;
6516 } else
6517 idx = get_wep_key(local, 0xffff);
6518
6519 if (encoding->flags & IW_ENCODE_DISABLED)
6520 alg = IW_ENCODE_ALG_NONE;
6521
4be757dd 6522 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
22d8846e
DW		 6523 /* Only set transmit key index here, actual
6524 * key is set below if needed.
6525 */
4be757dd 6526 set_wep_key(local, idx, NULL, 0, perm, 1);
22d8846e
DW		 6527 set_key = ext->key_len > 0 ? 1 : 0;
6528 }
6529
6530 if (set_key) {
4be757dd
DW		 6531 /* Set the requested key first */
6532 memset(key.key, 0, MAX_KEY_SIZE);
6533 switch (alg) {
6534 case IW_ENCODE_ALG_NONE:
6535 key.len = 0;
6536 break;
6537 case IW_ENCODE_ALG_WEP:
6538 if (ext->key_len > MIN_KEY_SIZE) {
6539 key.len = MAX_KEY_SIZE;
6540 } else if (ext->key_len > 0) {
6541 key.len = MIN_KEY_SIZE;
6542 } else {
6543 return -EINVAL;
6544 }
6545 key_len = min (ext->key_len, key.len);
6546 memcpy(key.key, ext->key, key_len);
6547 break;
6548 default:
6549 return -EINVAL;
6550 }
6551 /* Send the key to the card */
6552 set_wep_key(local, idx, key.key, key.len, perm, 1);
6553 }
6554
6555 /* Read the flags */
6556 if(encoding->flags & IW_ENCODE_DISABLED)
6557 local->config.authType = AUTH_OPEN; // disable encryption
6558 if(encoding->flags & IW_ENCODE_RESTRICTED)
6559 local->config.authType = AUTH_SHAREDKEY; // Only Both
6560 if(encoding->flags & IW_ENCODE_OPEN)
6561 local->config.authType = AUTH_ENCRYPT; // Only Wep
6562 /* Commit the changes to flags if needed */
6563 if (local->config.authType != currentAuthType)
6564 set_bit (FLAG_COMMIT, &local->flags);
6565
6566 return -EINPROGRESS;
6567}
6568
6569
6570/*------------------------------------------------------------------*/
6571/*
6572 * Wireless Handler : get extended Encryption parameters
6573 */
6574static int airo_get_encodeext(struct net_device *dev,
6575 struct iw_request_info *info,
6576 union iwreq_data *wrqu,
6577 char *extra)
6578{
6579 struct airo_info *local = dev->priv;
6580 struct iw_point *encoding = &wrqu->encoding;
6581 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6582 CapabilityRid cap_rid; /* Card capability info */
6583 int idx, max_key_len;
6584
6585 /* Is it supported ? */
6586 readCapabilityRid(local, &cap_rid, 1);
6587 if(!(cap_rid.softCap & 2)) {
6588 return -EOPNOTSUPP;
6589 }
6590 readConfigRid(local, 1);
6591
6592 max_key_len = encoding->length - sizeof(*ext);
6593 if (max_key_len < 0)
6594 return -EINVAL;
6595
6596 idx = encoding->flags & IW_ENCODE_INDEX;
6597 if (idx) {
6598 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6599 return -EINVAL;
6600 idx--;
6601 } else
6602 idx = get_wep_key(local, 0xffff);
6603
6604 encoding->flags = idx + 1;
6605 memset(ext, 0, sizeof(*ext));
6606
6607 /* Check encryption mode */
6608 switch(local->config.authType) {
6609 case AUTH_ENCRYPT:
6610 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6611 break;
6612 case AUTH_SHAREDKEY:
6613 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6614 break;
6615 default:
6616 case AUTH_OPEN:
6617 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6618 break;
6619 }
6620 /* We can't return the key, so set the proper flag and return zero */
6621 encoding->flags |= IW_ENCODE_NOKEY;
6622 memset(extra, 0, 16);
6623
6624 /* Copy the key to the user buffer */
6625 ext->key_len = get_wep_key(local, idx);
6626 if (ext->key_len > 16) {
6627 ext->key_len=0;
6628 }
6629
6630 return 0;
6631}
6632
6633
6634/*------------------------------------------------------------------*/
6635/*
6636 * Wireless Handler : set extended authentication parameters
6637 */
6638static int airo_set_auth(struct net_device *dev,
6639 struct iw_request_info *info,
6640 union iwreq_data *wrqu, char *extra)
6641{
6642 struct airo_info *local = dev->priv;
6643 struct iw_param *param = &wrqu->param;
6644 u16 currentAuthType = local->config.authType;
6645
6646 switch (param->flags & IW_AUTH_INDEX) {
6647 case IW_AUTH_WPA_VERSION:
6648 case IW_AUTH_CIPHER_PAIRWISE:
6649 case IW_AUTH_CIPHER_GROUP:
6650 case IW_AUTH_KEY_MGMT:
6651 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6652 case IW_AUTH_PRIVACY_INVOKED:
6653 /*
6654 * airo does not use these parameters
6655 */
6656 break;
6657
6658 case IW_AUTH_DROP_UNENCRYPTED:
6659 if (param->value) {
6660 /* Only change auth type if unencrypted */
6661 if (currentAuthType == AUTH_OPEN)
6662 local->config.authType = AUTH_ENCRYPT;
6663 } else {
6664 local->config.authType = AUTH_OPEN;
6665 }
6666
6667 /* Commit the changes to flags if needed */
6668 if (local->config.authType != currentAuthType)
6669 set_bit (FLAG_COMMIT, &local->flags);
6670 break;
6671
6672 case IW_AUTH_80211_AUTH_ALG: {
6673 /* FIXME: What about AUTH_OPEN? This API seems to
6674 * disallow setting our auth to AUTH_OPEN.
6675 */
6676 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6677 local->config.authType = AUTH_SHAREDKEY;
6678 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6679 local->config.authType = AUTH_ENCRYPT;
6680 } else
6681 return -EINVAL;
6682 break;
6683
6684 /* Commit the changes to flags if needed */
6685 if (local->config.authType != currentAuthType)
6686 set_bit (FLAG_COMMIT, &local->flags);
6687 }
6688
6689 case IW_AUTH_WPA_ENABLED:
6690 /* Silently accept disable of WPA */
6691 if (param->value > 0)
6692 return -EOPNOTSUPP;
6693 break;
6694
6695 default:
6696 return -EOPNOTSUPP;
6697 }
6698 return -EINPROGRESS;
6699}
6700
6701
6702/*------------------------------------------------------------------*/
6703/*
6704 * Wireless Handler : get extended authentication parameters
6705 */
6706static int airo_get_auth(struct net_device *dev,
6707 struct iw_request_info *info,
6708 union iwreq_data *wrqu, char *extra)
6709{
6710 struct airo_info *local = dev->priv;
6711 struct iw_param *param = &wrqu->param;
6712 u16 currentAuthType = local->config.authType;
6713
6714 switch (param->flags & IW_AUTH_INDEX) {
6715 case IW_AUTH_DROP_UNENCRYPTED:
6716 switch (currentAuthType) {
6717 case AUTH_SHAREDKEY:
6718 case AUTH_ENCRYPT:
6719 param->value = 1;
6720 break;
6721 default:
6722 param->value = 0;
6723 break;
6724 }
6725 break;
6726
6727 case IW_AUTH_80211_AUTH_ALG:
6728 switch (currentAuthType) {
6729 case AUTH_SHAREDKEY:
6730 param->value = IW_AUTH_ALG_SHARED_KEY;
6731 break;
6732 case AUTH_ENCRYPT:
6733 default:
6734 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6735 break;
6736 }
6737 break;
6738
6739 case IW_AUTH_WPA_ENABLED:
6740 param->value = 0;
6741 break;
6742
6743 default:
6744 return -EOPNOTSUPP;
6745 }
6746 return 0;
6747}
6748
6749
1da177e4
LT		 6750/*------------------------------------------------------------------*/
6751/*
6752 * Wireless Handler : set Tx-Power
6753 */
6754static int airo_set_txpow(struct net_device *dev,
6755 struct iw_request_info *info,
6756 struct iw_param *vwrq,
6757 char *extra)
6758{
6759 struct airo_info *local = dev->priv;
6760 CapabilityRid cap_rid; /* Card capability info */
6761 int i;
6762 int rc = -EINVAL;
6763
6764 readCapabilityRid(local, &cap_rid, 1);
6765
6766 if (vwrq->disabled) {
6767 set_bit (FLAG_RADIO_OFF, &local->flags);
6768 set_bit (FLAG_COMMIT, &local->flags);
6769 return -EINPROGRESS; /* Call commit handler */
6770 }
6771 if (vwrq->flags != IW_TXPOW_MWATT) {
6772 return -EINVAL;
6773 }
6774 clear_bit (FLAG_RADIO_OFF, &local->flags);
6775 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6776 if ((vwrq->value==cap_rid.txPowerLevels[i])) {
6777 readConfigRid(local, 1);
6778 local->config.txPower = vwrq->value;
6779 set_bit (FLAG_COMMIT, &local->flags);
6780 rc = -EINPROGRESS; /* Call commit handler */
6781 break;
6782 }
6783 return rc;
6784}
6785
6786/*------------------------------------------------------------------*/
6787/*
6788 * Wireless Handler : get Tx-Power
6789 */
6790static int airo_get_txpow(struct net_device *dev,
6791 struct iw_request_info *info,
6792 struct iw_param *vwrq,
6793 char *extra)
6794{
6795 struct airo_info *local = dev->priv;
6796
6797 readConfigRid(local, 1);
6798 vwrq->value = local->config.txPower;
6799 vwrq->fixed = 1; /* No power control */
6800 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6801 vwrq->flags = IW_TXPOW_MWATT;
6802
6803 return 0;
6804}
6805
6806/*------------------------------------------------------------------*/
6807/*
6808 * Wireless Handler : set Retry limits
6809 */
6810static int airo_set_retry(struct net_device *dev,
6811 struct iw_request_info *info,
6812 struct iw_param *vwrq,
6813 char *extra)
6814{
6815 struct airo_info *local = dev->priv;
6816 int rc = -EINVAL;
6817
6818 if(vwrq->disabled) {
6819 return -EINVAL;
6820 }
6821 readConfigRid(local, 1);
6822 if(vwrq->flags & IW_RETRY_LIMIT) {
7f8544cc 6823 if(vwrq->flags & IW_RETRY_LONG)
1da177e4 6824 local->config.longRetryLimit = vwrq->value;
7f8544cc 6825 else if (vwrq->flags & IW_RETRY_SHORT)
1da177e4
LT		 6826 local->config.shortRetryLimit = vwrq->value;
6827 else {
6828 /* No modifier : set both */
6829 local->config.longRetryLimit = vwrq->value;
6830 local->config.shortRetryLimit = vwrq->value;
6831 }
6832 set_bit (FLAG_COMMIT, &local->flags);
6833 rc = -EINPROGRESS; /* Call commit handler */
6834 }
6835 if(vwrq->flags & IW_RETRY_LIFETIME) {
6836 local->config.txLifetime = vwrq->value / 1024;
6837 set_bit (FLAG_COMMIT, &local->flags);
6838 rc = -EINPROGRESS; /* Call commit handler */
6839 }
6840 return rc;
6841}
6842
6843/*------------------------------------------------------------------*/
6844/*
6845 * Wireless Handler : get Retry limits
6846 */
6847static int airo_get_retry(struct net_device *dev,
6848 struct iw_request_info *info,
6849 struct iw_param *vwrq,
6850 char *extra)
6851{
6852 struct airo_info *local = dev->priv;
6853
6854 vwrq->disabled = 0; /* Can't be disabled */
6855
6856 readConfigRid(local, 1);
6857 /* Note : by default, display the min retry number */
6858 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6859 vwrq->flags = IW_RETRY_LIFETIME;
6860 vwrq->value = (int)local->config.txLifetime * 1024;
7f8544cc
JT		 6861 } else if((vwrq->flags & IW_RETRY_LONG)) {
6862 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
1da177e4
LT		 6863 vwrq->value = (int)local->config.longRetryLimit;
6864 } else {
6865 vwrq->flags = IW_RETRY_LIMIT;
6866 vwrq->value = (int)local->config.shortRetryLimit;
6867 if((int)local->config.shortRetryLimit != (int)local->config.longRetryLimit)
7f8544cc 6868 vwrq->flags |= IW_RETRY_SHORT;
1da177e4
LT		 6869 }
6870
6871 return 0;
6872}
6873
6874/*------------------------------------------------------------------*/
6875/*
6876 * Wireless Handler : get range info
6877 */
6878static int airo_get_range(struct net_device *dev,
6879 struct iw_request_info *info,
6880 struct iw_point *dwrq,
6881 char *extra)
6882{
6883 struct airo_info *local = dev->priv;
6884 struct iw_range *range = (struct iw_range *) extra;
6885 CapabilityRid cap_rid; /* Card capability info */
6886 int i;
6887 int k;
6888
6889 readCapabilityRid(local, &cap_rid, 1);
6890
6891 dwrq->length = sizeof(struct iw_range);
6892 memset(range, 0, sizeof(*range));
6893 range->min_nwid = 0x0000;
6894 range->max_nwid = 0x0000;
6895 range->num_channels = 14;
6896 /* Should be based on cap_rid.country to give only
6897 * what the current card support */
6898 k = 0;
6899 for(i = 0; i < 14; i++) {
6900 range->freq[k].i = i + 1; /* List index */
6901 range->freq[k].m = frequency_list[i] * 100000;
6902 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6903 }
6904 range->num_frequency = k;
6905
41480af2
DW		 6906 range->sensitivity = 65535;
6907
1da177e4 6908 /* Hum... Should put the right values there */
41480af2
DW		 6909 if (local->rssi)
6910 range->max_qual.qual = 100; /* % */
6911 else
6912 range->max_qual.qual = airo_get_max_quality(&cap_rid);
ce6623c3
JT		 6913 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6914 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
41480af2
DW		 6915
6916 /* Experimental measurements - boundary 11/5.5 Mb/s */
6917 /* Note : with or without the (local->rssi), results
6918 * are somewhat different. - Jean II */
6919 if (local->rssi) {
ce6623c3
JT		 6920 range->avg_qual.qual = 50; /* % */
6921 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
41480af2
DW		 6922 } else {
6923 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
ce6623c3 6924 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
41480af2 6925 }
ce6623c3 6926 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
1da177e4
LT		 6927
6928 for(i = 0 ; i < 8 ; i++) {
6929 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6930 if(range->bitrate[i] == 0)
6931 break;
6932 }
6933 range->num_bitrates = i;
6934
6935 /* Set an indication of the max TCP throughput
6936 * in bit/s that we can expect using this interface.
6937 * May be use for QoS stuff... Jean II */
6938 if(i > 2)
6939 range->throughput = 5000 * 1000;
6940 else
6941 range->throughput = 1500 * 1000;
6942
6943 range->min_rts = 0;
15db2763 6944 range->max_rts = AIRO_DEF_MTU;
1da177e4 6945 range->min_frag = 256;
15db2763 6946 range->max_frag = AIRO_DEF_MTU;
1da177e4
LT		 6947
6948 if(cap_rid.softCap & 2) {
6949 // WEP: RC4 40 bits
6950 range->encoding_size[0] = 5;
6951 // RC4 ~128 bits
6952 if (cap_rid.softCap & 0x100) {
6953 range->encoding_size[1] = 13;
6954 range->num_encoding_sizes = 2;
6955 } else
6956 range->num_encoding_sizes = 1;
6957 range->max_encoding_tokens = (cap_rid.softCap & 0x80) ? 4 : 1;
6958 } else {
6959 range->num_encoding_sizes = 0;
6960 range->max_encoding_tokens = 0;
6961 }
6962 range->min_pmp = 0;
6963 range->max_pmp = 5000000; /* 5 secs */
6964 range->min_pmt = 0;
6965 range->max_pmt = 65535 * 1024; /* ??? */
6966 range->pmp_flags = IW_POWER_PERIOD;
6967 range->pmt_flags = IW_POWER_TIMEOUT;
6968 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6969
6970 /* Transmit Power - values are in mW */
6971 for(i = 0 ; i < 8 ; i++) {
6972 range->txpower[i] = cap_rid.txPowerLevels[i];
6973 if(range->txpower[i] == 0)
6974 break;
6975 }
6976 range->num_txpower = i;
6977 range->txpower_capa = IW_TXPOW_MWATT;
3c304956 6978 range->we_version_source = 19;
1da177e4
LT		 6979 range->we_version_compiled = WIRELESS_EXT;
6980 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6981 range->retry_flags = IW_RETRY_LIMIT;
6982 range->r_time_flags = IW_RETRY_LIFETIME;
6983 range->min_retry = 1;
6984 range->max_retry = 65535;
6985 range->min_r_time = 1024;
6986 range->max_r_time = 65535 * 1024;
1da177e4
LT		 6987
6988 /* Event capability (kernel + driver) */
6989 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6990 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6991 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6992 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6993 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6994 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6995 return 0;
6996}
6997
6998/*------------------------------------------------------------------*/
6999/*
7000 * Wireless Handler : set Power Management
7001 */
7002static int airo_set_power(struct net_device *dev,
7003 struct iw_request_info *info,
7004 struct iw_param *vwrq,
7005 char *extra)
7006{
7007 struct airo_info *local = dev->priv;
7008
7009 readConfigRid(local, 1);
7010 if (vwrq->disabled) {
7011 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7012 return -EINVAL;
7013 }
7014 local->config.powerSaveMode = POWERSAVE_CAM;
7015 local->config.rmode &= 0xFF00;
7016 local->config.rmode |= RXMODE_BC_MC_ADDR;
7017 set_bit (FLAG_COMMIT, &local->flags);
7018 return -EINPROGRESS; /* Call commit handler */
7019 }
7020 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7021 local->config.fastListenDelay = (vwrq->value + 500) / 1024;
7022 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7023 set_bit (FLAG_COMMIT, &local->flags);
7024 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7025 local->config.fastListenInterval = local->config.listenInterval = (vwrq->value + 500) / 1024;
7026 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7027 set_bit (FLAG_COMMIT, &local->flags);
7028 }
7029 switch (vwrq->flags & IW_POWER_MODE) {
7030 case IW_POWER_UNICAST_R:
7031 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7032 return -EINVAL;
7033 }
7034 local->config.rmode &= 0xFF00;
7035 local->config.rmode |= RXMODE_ADDR;
7036 set_bit (FLAG_COMMIT, &local->flags);
7037 break;
7038 case IW_POWER_ALL_R:
7039 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7040 return -EINVAL;
7041 }
7042 local->config.rmode &= 0xFF00;
7043 local->config.rmode |= RXMODE_BC_MC_ADDR;
7044 set_bit (FLAG_COMMIT, &local->flags);
7045 case IW_POWER_ON:
7f8544cc 7046 /* This is broken, fixme ;-) */
1da177e4
LT		 7047 break;
7048 default:
7049 return -EINVAL;
7050 }
7051 // Note : we may want to factor local->need_commit here
7052 // Note2 : may also want to factor RXMODE_RFMON test
7053 return -EINPROGRESS; /* Call commit handler */
7054}
7055
7056/*------------------------------------------------------------------*/
7057/*
7058 * Wireless Handler : get Power Management
7059 */
7060static int airo_get_power(struct net_device *dev,
7061 struct iw_request_info *info,
7062 struct iw_param *vwrq,
7063 char *extra)
7064{
7065 struct airo_info *local = dev->priv;
7066 int mode;
7067
7068 readConfigRid(local, 1);
7069 mode = local->config.powerSaveMode;
7070 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7071 return 0;
7072 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7073 vwrq->value = (int)local->config.fastListenDelay * 1024;
7074 vwrq->flags = IW_POWER_TIMEOUT;
7075 } else {
7076 vwrq->value = (int)local->config.fastListenInterval * 1024;
7077 vwrq->flags = IW_POWER_PERIOD;
7078 }
7079 if ((local->config.rmode & 0xFF) == RXMODE_ADDR)
7080 vwrq->flags |= IW_POWER_UNICAST_R;
7081 else
7082 vwrq->flags |= IW_POWER_ALL_R;
7083
7084 return 0;
7085}
7086
7087/*------------------------------------------------------------------*/
7088/*
7089 * Wireless Handler : set Sensitivity
7090 */
7091static int airo_set_sens(struct net_device *dev,
7092 struct iw_request_info *info,
7093 struct iw_param *vwrq,
7094 char *extra)
7095{
7096 struct airo_info *local = dev->priv;
7097
7098 readConfigRid(local, 1);
7099 local->config.rssiThreshold = vwrq->disabled ? RSSI_DEFAULT : vwrq->value;
7100 set_bit (FLAG_COMMIT, &local->flags);
7101
7102 return -EINPROGRESS; /* Call commit handler */
7103}
7104
7105/*------------------------------------------------------------------*/
7106/*
7107 * Wireless Handler : get Sensitivity
7108 */
7109static int airo_get_sens(struct net_device *dev,
7110 struct iw_request_info *info,
7111 struct iw_param *vwrq,
7112 char *extra)
7113{
7114 struct airo_info *local = dev->priv;
7115
7116 readConfigRid(local, 1);
7117 vwrq->value = local->config.rssiThreshold;
7118 vwrq->disabled = (vwrq->value == 0);
7119 vwrq->fixed = 1;
7120
7121 return 0;
7122}
7123
7124/*------------------------------------------------------------------*/
7125/*
7126 * Wireless Handler : get AP List
7127 * Note : this is deprecated in favor of IWSCAN
7128 */
7129static int airo_get_aplist(struct net_device *dev,
7130 struct iw_request_info *info,
7131 struct iw_point *dwrq,
7132 char *extra)
7133{
7134 struct airo_info *local = dev->priv;
7135 struct sockaddr *address = (struct sockaddr *) extra;
7136 struct iw_quality qual[IW_MAX_AP];
7137 BSSListRid BSSList;
7138 int i;
7139 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7140
7141 for (i = 0; i < IW_MAX_AP; i++) {
7142 if (readBSSListRid(local, loseSync, &BSSList))
7143 break;
7144 loseSync = 0;
7145 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7146 address[i].sa_family = ARPHRD_ETHER;
41480af2
DW		 7147 if (local->rssi) {
7148 qual[i].level = 0x100 - BSSList.dBm;
7149 qual[i].qual = airo_dbm_to_pct( local->rssi, BSSList.dBm );
ce6623c3
JT		 7150 qual[i].updated = IW_QUAL_QUAL_UPDATED
7151 | IW_QUAL_LEVEL_UPDATED
7152 | IW_QUAL_DBM;
41480af2
DW		 7153 } else {
7154 qual[i].level = (BSSList.dBm + 321) / 2;
7155 qual[i].qual = 0;
ce6623c3
JT		 7156 qual[i].updated = IW_QUAL_QUAL_INVALID
7157 | IW_QUAL_LEVEL_UPDATED
7158 | IW_QUAL_DBM;
41480af2
DW		 7159 }
7160 qual[i].noise = local->wstats.qual.noise;
1da177e4
LT		 7161 if (BSSList.index == 0xffff)
7162 break;
7163 }
7164 if (!i) {
7165 StatusRid status_rid; /* Card status info */
7166 readStatusRid(local, &status_rid, 1);
7167 for (i = 0;
7168 i < min(IW_MAX_AP, 4) &&
7169 (status_rid.bssid[i][0]
7170 & status_rid.bssid[i][1]
7171 & status_rid.bssid[i][2]
7172 & status_rid.bssid[i][3]
7173 & status_rid.bssid[i][4]
7174 & status_rid.bssid[i][5])!=0xff &&
7175 (status_rid.bssid[i][0]
7176 | status_rid.bssid[i][1]
7177 | status_rid.bssid[i][2]
7178 | status_rid.bssid[i][3]
7179 | status_rid.bssid[i][4]
7180 | status_rid.bssid[i][5]);
7181 i++) {
7182 memcpy(address[i].sa_data,
7183 status_rid.bssid[i], ETH_ALEN);
7184 address[i].sa_family = ARPHRD_ETHER;
7185 }
7186 } else {
7187 dwrq->flags = 1; /* Should be define'd */
7188 memcpy(extra + sizeof(struct sockaddr)*i,
7189 &qual, sizeof(struct iw_quality)*i);
7190 }
7191 dwrq->length = i;
7192
7193 return 0;
7194}
7195
7196/*------------------------------------------------------------------*/
7197/*
7198 * Wireless Handler : Initiate Scan
7199 */
7200static int airo_set_scan(struct net_device *dev,
7201 struct iw_request_info *info,
7202 struct iw_param *vwrq,
7203 char *extra)
7204{
7205 struct airo_info *ai = dev->priv;
7206 Cmd cmd;
7207 Resp rsp;
9e75af30 7208 int wake = 0;
1da177e4
LT		 7209
7210 /* Note : you may have realised that, as this is a SET operation,
7211 * this is privileged and therefore a normal user can't
7212 * perform scanning.
7213 * This is not an error, while the device perform scanning,
7214 * traffic doesn't flow, so it's a perfect DoS...
7215 * Jean II */
7216 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7217
9e75af30
DW		 7218 if (down_interruptible(&ai->sem))
7219 return -ERESTARTSYS;
7220
7221 /* If there's already a scan in progress, don't
7222 * trigger another one. */
7223 if (ai->scan_timeout > 0)
7224 goto out;
7225
1da177e4 7226 /* Initiate a scan command */
6fcdf565 7227 ai->scan_timeout = RUN_AT(3*HZ);
1da177e4
LT		 7228 memset(&cmd, 0, sizeof(cmd));
7229 cmd.cmd=CMD_LISTBSS;
1da177e4 7230 issuecommand(ai, &cmd, &rsp);
9e75af30 7231 wake = 1;
1da177e4 7232
9e75af30
DW		 7233out:
7234 up(&ai->sem);
7235 if (wake)
7236 wake_up_interruptible(&ai->thr_wait);
1da177e4
LT		 7237 return 0;
7238}
7239
7240/*------------------------------------------------------------------*/
7241/*
7242 * Translate scan data returned from the card to a card independent
7243 * format that the Wireless Tools will understand - Jean II
7244 */
7245static inline char *airo_translate_scan(struct net_device *dev,
7246 char *current_ev,
7247 char *end_buf,
41480af2 7248 BSSListRid *bss)
1da177e4
LT		 7249{
7250 struct airo_info *ai = dev->priv;
7251 struct iw_event iwe; /* Temporary buffer */
7252 u16 capabilities;
7253 char * current_val; /* For rates */
7254 int i;
3c304956 7255 char * buf;
1da177e4
LT		 7256
7257 /* First entry *MUST* be the AP MAC address */
7258 iwe.cmd = SIOCGIWAP;
7259 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
41480af2 7260 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
1da177e4
LT		 7261 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
7262
7263 /* Other entries will be displayed in the order we give them */
7264
7265 /* Add the ESSID */
41480af2 7266 iwe.u.data.length = bss->ssidLen;
1da177e4
LT		 7267 if(iwe.u.data.length > 32)
7268 iwe.u.data.length = 32;
7269 iwe.cmd = SIOCGIWESSID;
7270 iwe.u.data.flags = 1;
41480af2 7271 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
1da177e4
LT		 7272
7273 /* Add mode */
7274 iwe.cmd = SIOCGIWMODE;
41480af2 7275 capabilities = le16_to_cpu(bss->cap);
1da177e4
LT		 7276 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7277 if(capabilities & CAP_ESS)
7278 iwe.u.mode = IW_MODE_MASTER;
7279 else
7280 iwe.u.mode = IW_MODE_ADHOC;
7281 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
7282 }
7283
7284 /* Add frequency */
7285 iwe.cmd = SIOCGIWFREQ;
41480af2 7286 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
1141455d 7287 /* iwe.u.freq.m containt the channel (starting 1), our
7288 * frequency_list array start at index 0...
7289 */
7290 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
1da177e4
LT		 7291 iwe.u.freq.e = 1;
7292 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
7293
7294 /* Add quality statistics */
7295 iwe.cmd = IWEVQUAL;
41480af2
DW		 7296 if (ai->rssi) {
7297 iwe.u.qual.level = 0x100 - bss->dBm;
7298 iwe.u.qual.qual = airo_dbm_to_pct( ai->rssi, bss->dBm );
ce6623c3
JT		 7299 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7300 | IW_QUAL_LEVEL_UPDATED
7301 | IW_QUAL_DBM;
41480af2
DW		 7302 } else {
7303 iwe.u.qual.level = (bss->dBm + 321) / 2;
7304 iwe.u.qual.qual = 0;
bbeec90b 7305 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
ce6623c3
JT		 7306 | IW_QUAL_LEVEL_UPDATED
7307 | IW_QUAL_DBM;
41480af2
DW		 7308 }
7309 iwe.u.qual.noise = ai->wstats.qual.noise;
1da177e4
LT		 7310 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
7311
7312 /* Add encryption capability */
7313 iwe.cmd = SIOCGIWENCODE;
7314 if(capabilities & CAP_PRIVACY)
7315 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7316 else
7317 iwe.u.data.flags = IW_ENCODE_DISABLED;
7318 iwe.u.data.length = 0;
41480af2 7319 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
1da177e4
LT		 7320
7321 /* Rate : stuffing multiple values in a single event require a bit
7322 * more of magic - Jean II */
7323 current_val = current_ev + IW_EV_LCP_LEN;
7324
7325 iwe.cmd = SIOCGIWRATE;
7326 /* Those two flags are ignored... */
7327 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7328 /* Max 8 values */
7329 for(i = 0 ; i < 8 ; i++) {
7330 /* NULL terminated */
41480af2 7331 if(bss->rates[i] == 0)
1da177e4
LT		 7332 break;
7333 /* Bit rate given in 500 kb/s units (+ 0x80) */
41480af2 7334 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
1da177e4
LT		 7335 /* Add new value to event */
7336 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
7337 }
7338 /* Check if we added any event */
7339 if((current_val - current_ev) > IW_EV_LCP_LEN)
7340 current_ev = current_val;
7341
3c304956
DW		 7342 /* Beacon interval */
7343 buf = kmalloc(30, GFP_KERNEL);
7344 if (buf) {
7345 iwe.cmd = IWEVCUSTOM;
7346 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7347 iwe.u.data.length = strlen(buf);
7348 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, buf);
7349 kfree(buf);
7350 }
7351
7352 /* Put WPA/RSN Information Elements into the event stream */
7353 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7354 unsigned int num_null_ies = 0;
7355 u16 length = sizeof (bss->extra.iep);
7356 struct ieee80211_info_element *info_element =
7357 (struct ieee80211_info_element *) &bss->extra.iep;
7358
7359 while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) {
7360 if (sizeof(*info_element) + info_element->len > length) {
7361 /* Invalid element, don't continue parsing IE */
7362 break;
7363 }
7364
7365 switch (info_element->id) {
7366 case MFIE_TYPE_SSID:
7367 /* Two zero-length SSID elements
7368 * mean we're done parsing elements */
7369 if (!info_element->len)
7370 num_null_ies++;
7371 break;
7372
7373 case MFIE_TYPE_GENERIC:
7374 if (info_element->len >= 4 &&
7375 info_element->data[0] == 0x00 &&
7376 info_element->data[1] == 0x50 &&
7377 info_element->data[2] == 0xf2 &&
7378 info_element->data[3] == 0x01) {
7379 iwe.cmd = IWEVGENIE;
7380 iwe.u.data.length = min(info_element->len + 2,
7381 MAX_WPA_IE_LEN);
7382 current_ev = iwe_stream_add_point(current_ev, end_buf,
7383 &iwe, (char *) info_element);
7384 }
7385 break;
7386
7387 case MFIE_TYPE_RSN:
7388 iwe.cmd = IWEVGENIE;
7389 iwe.u.data.length = min(info_element->len + 2,
7390 MAX_WPA_IE_LEN);
7391 current_ev = iwe_stream_add_point(current_ev, end_buf,
7392 &iwe, (char *) info_element);
7393 break;
7394
7395 default:
7396 break;
7397 }
7398
7399 length -= sizeof(*info_element) + info_element->len;
7400 info_element =
7401 (struct ieee80211_info_element *)&info_element->
7402 data[info_element->len];
7403 }
7404 }
1da177e4
LT		 7405 return current_ev;
7406}
7407
7408/*------------------------------------------------------------------*/
7409/*
7410 * Wireless Handler : Read Scan Results
7411 */
7412static int airo_get_scan(struct net_device *dev,
7413 struct iw_request_info *info,
7414 struct iw_point *dwrq,
7415 char *extra)
7416{
7417 struct airo_info *ai = dev->priv;
9e75af30
DW		 7418 BSSListElement *net;
7419 int err = 0;
1da177e4
LT		 7420 char *current_ev = extra;
7421
9e75af30
DW		 7422 /* If a scan is in-progress, return -EAGAIN */
7423 if (ai->scan_timeout > 0)
1da177e4 7424 return -EAGAIN;
1da177e4 7425
9e75af30
DW		 7426 if (down_interruptible(&ai->sem))
7427 return -EAGAIN;
1da177e4 7428
9e75af30 7429 list_for_each_entry (net, &ai->network_list, list) {
1da177e4
LT		 7430 /* Translate to WE format this entry */
7431 current_ev = airo_translate_scan(dev, current_ev,
7432 extra + dwrq->length,
9e75af30 7433 &net->bss);
1da177e4
LT		 7434
7435 /* Check if there is space for one more entry */
7436 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7437 /* Ask user space to try again with a bigger buffer */
9e75af30
DW		 7438 err = -E2BIG;
7439 goto out;
1da177e4 7440 }
1da177e4 7441 }
9e75af30 7442
1da177e4
LT		 7443 /* Length of data */
7444 dwrq->length = (current_ev - extra);
7445 dwrq->flags = 0; /* todo */
7446
9e75af30
DW		 7447out:
7448 up(&ai->sem);
7449 return err;
1da177e4
LT		 7450}
7451
7452/*------------------------------------------------------------------*/
7453/*
7454 * Commit handler : called after a bunch of SET operations
7455 */
7456static int airo_config_commit(struct net_device *dev,
7457 struct iw_request_info *info, /* NULL */
7458 void *zwrq, /* NULL */
7459 char *extra) /* NULL */
7460{
7461 struct airo_info *local = dev->priv;
1da177e4
LT		 7462
7463 if (!test_bit (FLAG_COMMIT, &local->flags))
7464 return 0;
7465
7466 /* Some of the "SET" function may have modified some of the
7467 * parameters. It's now time to commit them in the card */
7468 disable_MAC(local, 1);
7469 if (test_bit (FLAG_RESET, &local->flags)) {
7470 APListRid APList_rid;
7471 SsidRid SSID_rid;
7472
7473 readAPListRid(local, &APList_rid);
7474 readSsidRid(local, &SSID_rid);
7475 if (test_bit(FLAG_MPI,&local->flags))
7476 setup_card(local, dev->dev_addr, 1 );
7477 else
7478 reset_airo_card(dev);
7479 disable_MAC(local, 1);
7480 writeSsidRid(local, &SSID_rid, 1);
7481 writeAPListRid(local, &APList_rid, 1);
7482 }
7483 if (down_interruptible(&local->sem))
7484 return -ERESTARTSYS;
7485 writeConfigRid(local, 0);
175ec1a1 7486 enable_MAC(local, 0);
1da177e4
LT		 7487 if (test_bit (FLAG_RESET, &local->flags))
7488 airo_set_promisc(local);
7489 else
7490 up(&local->sem);
7491
7492 return 0;
7493}
7494
7495/*------------------------------------------------------------------*/
7496/*
7497 * Structures to export the Wireless Handlers
7498 */
7499
7500static const struct iw_priv_args airo_private_args[] = {
7501/*{ cmd, set_args, get_args, name } */
7502 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7503 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7504 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7505 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7506};
7507
7508static const iw_handler airo_handler[] =
7509{
7510 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7511 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7512 (iw_handler) NULL, /* SIOCSIWNWID */
7513 (iw_handler) NULL, /* SIOCGIWNWID */
7514 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7515 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7516 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7517 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7518 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7519 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7520 (iw_handler) NULL, /* SIOCSIWRANGE */
7521 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7522 (iw_handler) NULL, /* SIOCSIWPRIV */
7523 (iw_handler) NULL, /* SIOCGIWPRIV */
7524 (iw_handler) NULL, /* SIOCSIWSTATS */
7525 (iw_handler) NULL, /* SIOCGIWSTATS */
7526 iw_handler_set_spy, /* SIOCSIWSPY */
7527 iw_handler_get_spy, /* SIOCGIWSPY */
7528 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7529 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7530 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7531 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7532 (iw_handler) NULL, /* -- hole -- */
7533 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7534 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7535 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7536 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7537 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7538 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7539 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7540 (iw_handler) NULL, /* -- hole -- */
7541 (iw_handler) NULL, /* -- hole -- */
7542 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7543 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7544 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7545 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7546 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7547 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7548 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7549 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7550 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7551 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7552 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7553 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7554 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7555 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
4be757dd
DW		 7556 (iw_handler) NULL, /* -- hole -- */
7557 (iw_handler) NULL, /* -- hole -- */
7558 (iw_handler) NULL, /* SIOCSIWGENIE */
7559 (iw_handler) NULL, /* SIOCGIWGENIE */
7560 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7561 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7562 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7563 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7564 (iw_handler) NULL, /* SIOCSIWPMKSA */
1da177e4
LT		 7565};
7566
7567/* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7568 * We want to force the use of the ioctl code, because those can't be
7569 * won't work the iw_handler code (because they simultaneously read
7570 * and write data and iw_handler can't do that).
7571 * Note that it's perfectly legal to read/write on a single ioctl command,
7572 * you just can't use iwpriv and need to force it via the ioctl handler.
7573 * Jean II */
7574static const iw_handler airo_private_handler[] =
7575{
7576 NULL, /* SIOCIWFIRSTPRIV */
7577};
7578
7579static const struct iw_handler_def airo_handler_def =
7580{
7581 .num_standard = sizeof(airo_handler)/sizeof(iw_handler),
7582 .num_private = sizeof(airo_private_handler)/sizeof(iw_handler),
7583 .num_private_args = sizeof(airo_private_args)/sizeof(struct iw_priv_args),
7584 .standard = airo_handler,
7585 .private = airo_private_handler,
7586 .private_args = airo_private_args,
7587 .get_wireless_stats = airo_get_wireless_stats,
7588};
7589
1da177e4
LT		 7590/*
7591 * This defines the configuration part of the Wireless Extensions
7592 * Note : irq and spinlock protection will occur in the subroutines
7593 *
7594 * TODO :
7595 * o Check input value more carefully and fill correct values in range
7596 * o Test and shakeout the bugs (if any)
7597 *
7598 * Jean II
7599 *
7600 * Javier Achirica did a great job of merging code from the unnamed CISCO
7601 * developer that added support for flashing the card.
7602 */
7603static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7604{
7605 int rc = 0;
7606 struct airo_info *ai = (struct airo_info *)dev->priv;
7607
ca078bae 7608 if (ai->power.event)
1da177e4
LT		 7609 return 0;
7610
7611 switch (cmd) {
7612#ifdef CISCO_EXT
7613 case AIROIDIFC:
7614#ifdef AIROOLDIDIFC
7615 case AIROOLDIDIFC:
7616#endif
7617 {
7618 int val = AIROMAGIC;
7619 aironet_ioctl com;
7620 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7621 rc = -EFAULT;
7622 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7623 rc = -EFAULT;
7624 }
7625 break;
7626
7627 case AIROIOCTL:
7628#ifdef AIROOLDIOCTL
7629 case AIROOLDIOCTL:
7630#endif
7631 /* Get the command struct and hand it off for evaluation by
7632 * the proper subfunction
7633 */
7634 {
7635 aironet_ioctl com;
7636 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7637 rc = -EFAULT;
7638 break;
7639 }
7640
7641 /* Separate R/W functions bracket legality here
7642 */
7643 if ( com.command == AIRORSWVERSION ) {
7644 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7645 rc = -EFAULT;
7646 else
7647 rc = 0;
7648 }
7649 else if ( com.command <= AIRORRID)
7650 rc = readrids(dev,&com);
7651 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7652 rc = writerids(dev,&com);
7653 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7654 rc = flashcard(dev,&com);
7655 else
7656 rc = -EINVAL; /* Bad command in ioctl */
7657 }
7658 break;
7659#endif /* CISCO_EXT */
7660
7661 // All other calls are currently unsupported
7662 default:
7663 rc = -EOPNOTSUPP;
7664 }
7665 return rc;
7666}
7667
1da177e4
LT		 7668/*
7669 * Get the Wireless stats out of the driver
7670 * Note : irq and spinlock protection will occur in the subroutines
7671 *
7672 * TODO :
7673 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7674 *
7675 * Jean
7676 */
7677static void airo_read_wireless_stats(struct airo_info *local)
7678{
7679 StatusRid status_rid;
7680 StatsRid stats_rid;
7681 CapabilityRid cap_rid;
7682 u32 *vals = stats_rid.vals;
7683
7684 /* Get stats out of the card */
3c304956 7685 clear_bit(JOB_WSTATS, &local->jobs);
ca078bae 7686 if (local->power.event) {
1da177e4
LT		 7687 up(&local->sem);
7688 return;
7689 }
7690 readCapabilityRid(local, &cap_rid, 0);
7691 readStatusRid(local, &status_rid, 0);
7692 readStatsRid(local, &stats_rid, RID_STATS, 0);
7693 up(&local->sem);
7694
7695 /* The status */
7696 local->wstats.status = status_rid.mode;
7697
41480af2
DW		 7698 /* Signal quality and co */
7699 if (local->rssi) {
7700 local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
7701 /* normalizedSignalStrength appears to be a percentage */
7702 local->wstats.qual.qual = status_rid.normalizedSignalStrength;
7703 } else {
1da177e4 7704 local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
41480af2
DW		 7705 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7706 }
1da177e4 7707 if (status_rid.len >= 124) {
41480af2 7708 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
ce6623c3 7709 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
1da177e4
LT		 7710 } else {
7711 local->wstats.qual.noise = 0;
ce6623c3 7712 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
1da177e4
LT		 7713 }
7714
7715 /* Packets discarded in the wireless adapter due to wireless
7716 * specific problems */
7717 local->wstats.discard.nwid = vals[56] + vals[57] + vals[58];/* SSID Mismatch */
7718 local->wstats.discard.code = vals[6];/* RxWepErr */
7719 local->wstats.discard.fragment = vals[30];
7720 local->wstats.discard.retries = vals[10];
7721 local->wstats.discard.misc = vals[1] + vals[32];
7722 local->wstats.miss.beacon = vals[34];
7723}
7724
ff1d2767 7725static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
1da177e4
LT		 7726{
7727 struct airo_info *local = dev->priv;
7728
3c304956 7729 if (!test_bit(JOB_WSTATS, &local->jobs)) {
1da177e4
LT		 7730 /* Get stats out of the card if available */
7731 if (down_trylock(&local->sem) != 0) {
3c304956 7732 set_bit(JOB_WSTATS, &local->jobs);
1da177e4
LT		 7733 wake_up_interruptible(&local->thr_wait);
7734 } else
7735 airo_read_wireless_stats(local);
7736 }
7737
7738 return &local->wstats;
7739}
1da177e4
LT		 7740
7741#ifdef CISCO_EXT
7742/*
7743 * This just translates from driver IOCTL codes to the command codes to
7744 * feed to the radio's host interface. Things can be added/deleted
7745 * as needed. This represents the READ side of control I/O to
7746 * the card
7747 */
7748static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7749 unsigned short ridcode;
7750 unsigned char *iobuf;
7751 int len;
7752 struct airo_info *ai = dev->priv;
1da177e4
LT		 7753
7754 if (test_bit(FLAG_FLASHING, &ai->flags))
7755 return -EIO;
7756
7757 switch(comp->command)
7758 {
7759 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7760 case AIROGCFG: ridcode = RID_CONFIG;
7761 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7762 disable_MAC (ai, 1);
7763 writeConfigRid (ai, 1);
175ec1a1 7764 enable_MAC(ai, 1);
1da177e4
LT		 7765 }
7766 break;
7767 case AIROGSLIST: ridcode = RID_SSID; break;
7768 case AIROGVLIST: ridcode = RID_APLIST; break;
7769 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7770 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7771 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7772 /* Only super-user can read WEP keys */
7773 if (!capable(CAP_NET_ADMIN))
7774 return -EPERM;
7775 break;
7776 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7777 /* Only super-user can read WEP keys */
7778 if (!capable(CAP_NET_ADMIN))
7779 return -EPERM;
7780 break;
7781 case AIROGSTAT: ridcode = RID_STATUS; break;
7782 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7783 case AIROGSTATSC32: ridcode = RID_STATS; break;
1da177e4
LT		 7784 case AIROGMICSTATS:
7785 if (copy_to_user(comp->data, &ai->micstats,
7786 min((int)comp->len,(int)sizeof(ai->micstats))))
7787 return -EFAULT;
7788 return 0;
1da177e4
LT		 7789 case AIRORRID: ridcode = comp->ridnum; break;
7790 default:
7791 return -EINVAL;
7792 break;
7793 }
7794
7795 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7796 return -ENOMEM;
7797
7798 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7799 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7800 * then return it to the user
7801 * 9/22/2000 Honor user given length
7802 */
7803 len = comp->len;
7804
7805 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7806 kfree (iobuf);
7807 return -EFAULT;
7808 }
7809 kfree (iobuf);
7810 return 0;
7811}
7812
7813/*
7814 * Danger Will Robinson write the rids here
7815 */
7816
7817static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7818 struct airo_info *ai = dev->priv;
7819 int ridcode;
1da177e4 7820 int enabled;
1da177e4
LT		 7821 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7822 unsigned char *iobuf;
7823
7824 /* Only super-user can write RIDs */
7825 if (!capable(CAP_NET_ADMIN))
7826 return -EPERM;
7827
7828 if (test_bit(FLAG_FLASHING, &ai->flags))
7829 return -EIO;
7830
7831 ridcode = 0;
7832 writer = do_writerid;
7833
7834 switch(comp->command)
7835 {
7836 case AIROPSIDS: ridcode = RID_SSID; break;
7837 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7838 case AIROPAPLIST: ridcode = RID_APLIST; break;
7839 case AIROPCFG: ai->config.len = 0;
7840 clear_bit(FLAG_COMMIT, &ai->flags);
7841 ridcode = RID_CONFIG; break;
7842 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7843 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7844 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7845 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7846 break;
7847 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7848 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7849
7850 /* this is not really a rid but a command given to the card
7851 * same with MAC off
7852 */
7853 case AIROPMACON:
175ec1a1 7854 if (enable_MAC(ai, 1) != 0)
1da177e4
LT		 7855 return -EIO;
7856 return 0;
7857
7858 /*
7859 * Evidently this code in the airo driver does not get a symbol
7860 * as disable_MAC. it's probably so short the compiler does not gen one.
7861 */
7862 case AIROPMACOFF:
7863 disable_MAC(ai, 1);
7864 return 0;
7865
7866 /* This command merely clears the counts does not actually store any data
7867 * only reads rid. But as it changes the cards state, I put it in the
7868 * writerid routines.
7869 */
7870 case AIROPSTCLR:
7871 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7872 return -ENOMEM;
7873
7874 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7875
1da177e4
LT		 7876 enabled = ai->micstats.enabled;
7877 memset(&ai->micstats,0,sizeof(ai->micstats));
7878 ai->micstats.enabled = enabled;
1da177e4
LT		 7879
7880 if (copy_to_user(comp->data, iobuf,
7881 min((int)comp->len, (int)RIDSIZE))) {
7882 kfree (iobuf);
7883 return -EFAULT;
7884 }
7885 kfree (iobuf);
7886 return 0;
7887
7888 default:
7889 return -EOPNOTSUPP; /* Blarg! */
7890 }
7891 if(comp->len > RIDSIZE)
7892 return -EINVAL;
7893
7894 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7895 return -ENOMEM;
7896
7897 if (copy_from_user(iobuf,comp->data,comp->len)) {
7898 kfree (iobuf);
7899 return -EFAULT;
7900 }
7901
7902 if (comp->command == AIROPCFG) {
7903 ConfigRid *cfg = (ConfigRid *)iobuf;
7904
7905 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7906 cfg->opmode |= MODE_MIC;
7907
7908 if ((cfg->opmode & 0xFF) == MODE_STA_IBSS)
7909 set_bit (FLAG_ADHOC, &ai->flags);
7910 else
7911 clear_bit (FLAG_ADHOC, &ai->flags);
7912 }
7913
7914 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7915 kfree (iobuf);
7916 return -EIO;
7917 }
7918 kfree (iobuf);
7919 return 0;
7920}
7921
7922/*****************************************************************************
7923 * Ancillary flash / mod functions much black magic lurkes here *
7924 *****************************************************************************
7925 */
7926
7927/*
7928 * Flash command switch table
7929 */
7930
ff1d2767 7931static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
1da177e4 7932 int z;
1da177e4
LT		 7933
7934 /* Only super-user can modify flash */
7935 if (!capable(CAP_NET_ADMIN))
7936 return -EPERM;
7937
7938 switch(comp->command)
7939 {
7940 case AIROFLSHRST:
7941 return cmdreset((struct airo_info *)dev->priv);
7942
7943 case AIROFLSHSTFL:
7944 if (!((struct airo_info *)dev->priv)->flash &&
7945 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7946 return -ENOMEM;
7947 return setflashmode((struct airo_info *)dev->priv);
7948
7949 case AIROFLSHGCHR: /* Get char from aux */
7950 if(comp->len != sizeof(int))
7951 return -EINVAL;
7952 if (copy_from_user(&z,comp->data,comp->len))
7953 return -EFAULT;
7954 return flashgchar((struct airo_info *)dev->priv,z,8000);
7955
7956 case AIROFLSHPCHR: /* Send char to card. */
7957 if(comp->len != sizeof(int))
7958 return -EINVAL;
7959 if (copy_from_user(&z,comp->data,comp->len))
7960 return -EFAULT;
7961 return flashpchar((struct airo_info *)dev->priv,z,8000);
7962
7963 case AIROFLPUTBUF: /* Send 32k to card */
7964 if (!((struct airo_info *)dev->priv)->flash)
7965 return -ENOMEM;
7966 if(comp->len > FLASHSIZE)
7967 return -EINVAL;
7968 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7969 return -EFAULT;
7970
7971 flashputbuf((struct airo_info *)dev->priv);
7972 return 0;
7973
7974 case AIRORESTART:
7975 if(flashrestart((struct airo_info *)dev->priv,dev))
7976 return -EIO;
7977 return 0;
7978 }
7979 return -EINVAL;
7980}
7981
7982#define FLASH_COMMAND 0x7e7e
7983
7984/*
7985 * STEP 1)
7986 * Disable MAC and do soft reset on
7987 * card.
7988 */
7989
ff1d2767 7990static int cmdreset(struct airo_info *ai) {
1da177e4
LT		 7991 disable_MAC(ai, 1);
7992
7993 if(!waitbusy (ai)){
934d8bf1 7994 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
1da177e4
LT		 7995 return -EBUSY;
7996 }
7997
7998 OUT4500(ai,COMMAND,CMD_SOFTRESET);
7999
8000 ssleep(1); /* WAS 600 12/7/00 */
8001
8002 if(!waitbusy (ai)){
934d8bf1 8003 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
1da177e4
LT		 8004 return -EBUSY;
8005 }
8006 return 0;
8007}
8008
8009/* STEP 2)
8010 * Put the card in legendary flash
8011 * mode
8012 */
8013
ff1d2767 8014static int setflashmode (struct airo_info *ai) {
1da177e4
LT		 8015 set_bit (FLAG_FLASHING, &ai->flags);
8016
8017 OUT4500(ai, SWS0, FLASH_COMMAND);
8018 OUT4500(ai, SWS1, FLASH_COMMAND);
8019 if (probe) {
8020 OUT4500(ai, SWS0, FLASH_COMMAND);
8021 OUT4500(ai, COMMAND,0x10);
8022 } else {
8023 OUT4500(ai, SWS2, FLASH_COMMAND);
8024 OUT4500(ai, SWS3, FLASH_COMMAND);
8025 OUT4500(ai, COMMAND,0);
8026 }
8027 msleep(500); /* 500ms delay */
8028
8029 if(!waitbusy(ai)) {
8030 clear_bit (FLAG_FLASHING, &ai->flags);
934d8bf1 8031 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
1da177e4
LT		 8032 return -EIO;
8033 }
8034 return 0;
8035}
8036
8037/* Put character to SWS0 wait for dwelltime
8038 * x 50us for echo .
8039 */
8040
ff1d2767 8041static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
1da177e4
LT		 8042 int echo;
8043 int waittime;
8044
8045 byte |= 0x8000;
8046
8047 if(dwelltime == 0 )
8048 dwelltime = 200;
8049
8050 waittime=dwelltime;
8051
8052 /* Wait for busy bit d15 to go false indicating buffer empty */
8053 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8054 udelay (50);
8055 waittime -= 50;
8056 }
8057
8058 /* timeout for busy clear wait */
8059 if(waittime <= 0 ){
934d8bf1 8060 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
1da177e4
LT		 8061 return -EBUSY;
8062 }
8063
8064 /* Port is clear now write byte and wait for it to echo back */
8065 do {
8066 OUT4500(ai,SWS0,byte);
8067 udelay(50);
8068 dwelltime -= 50;
8069 echo = IN4500(ai,SWS1);
8070 } while (dwelltime >= 0 && echo != byte);
8071
8072 OUT4500(ai,SWS1,0);
8073
8074 return (echo == byte) ? 0 : -EIO;
8075}
8076
8077/*
8078 * Get a character from the card matching matchbyte
8079 * Step 3)
8080 */
ff1d2767 8081static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
1da177e4
LT		 8082 int rchar;
8083 unsigned char rbyte=0;
8084
8085 do {
8086 rchar = IN4500(ai,SWS1);
8087
8088 if(dwelltime && !(0x8000 & rchar)){
8089 dwelltime -= 10;
8090 mdelay(10);
8091 continue;
8092 }
8093 rbyte = 0xff & rchar;
8094
8095 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8096 OUT4500(ai,SWS1,0);
8097 return 0;
8098 }
8099 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8100 break;
8101 OUT4500(ai,SWS1,0);
8102
8103 }while(dwelltime > 0);
8104 return -EIO;
8105}
8106
8107/*
8108 * Transfer 32k of firmware data from user buffer to our buffer and
8109 * send to the card
8110 */
8111
ff1d2767 8112static int flashputbuf(struct airo_info *ai){
1da177e4
LT		 8113 int nwords;
8114
8115 /* Write stuff */
8116 if (test_bit(FLAG_MPI,&ai->flags))
8117 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8118 else {
8119 OUT4500(ai,AUXPAGE,0x100);
8120 OUT4500(ai,AUXOFF,0);
8121
8122 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8123 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8124 }
8125 }
8126 OUT4500(ai,SWS0,0x8000);
8127
8128 return 0;
8129}
8130
8131/*
8132 *
8133 */
ff1d2767 8134static int flashrestart(struct airo_info *ai,struct net_device *dev){
1da177e4
LT		 8135 int i,status;
8136
8137 ssleep(1); /* Added 12/7/00 */
8138 clear_bit (FLAG_FLASHING, &ai->flags);
8139 if (test_bit(FLAG_MPI, &ai->flags)) {
8140 status = mpi_init_descriptors(ai);
8141 if (status != SUCCESS)
8142 return status;
8143 }
8144 status = setup_card(ai, dev->dev_addr, 1);
8145
8146 if (!test_bit(FLAG_MPI,&ai->flags))
8147 for( i = 0; i < MAX_FIDS; i++ ) {
8148 ai->fids[i] = transmit_allocate
15db2763 8149 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
1da177e4
LT		 8150 }
8151
8152 ssleep(1); /* Added 12/7/00 */
8153 return status;
8154}
8155#endif /* CISCO_EXT */
8156
8157/*
8158 This program is free software; you can redistribute it and/or
8159 modify it under the terms of the GNU General Public License
8160 as published by the Free Software Foundation; either version 2
8161 of the License, or (at your option) any later version.
8162
8163 This program is distributed in the hope that it will be useful,
8164 but WITHOUT ANY WARRANTY; without even the implied warranty of
8165 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8166 GNU General Public License for more details.
8167
8168 In addition:
8169
8170 Redistribution and use in source and binary forms, with or without
8171 modification, are permitted provided that the following conditions
8172 are met:
8173
8174 1. Redistributions of source code must retain the above copyright
8175 notice, this list of conditions and the following disclaimer.
8176 2. Redistributions in binary form must reproduce the above copyright
8177 notice, this list of conditions and the following disclaimer in the
8178 documentation and/or other materials provided with the distribution.
8179 3. The name of the author may not be used to endorse or promote
8180 products derived from this software without specific prior written
8181 permission.
8182
8183 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8184 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8185 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8186 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8187 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8188 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8189 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8190 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8191 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8192 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8193 POSSIBILITY OF SUCH DAMAGE.
8194*/
8195
8196module_init(airo_init_module);
8197module_exit(airo_cleanup_module);
Linux kernel - Deliverables
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