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[PATCH] airo: delay some initialization until the netdev is up
[linux-2.6-block.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
1da177e4
LT		 55#ifdef CONFIG_PCI
56static struct pci_device_id card_ids[] = {
57 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
58 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
59 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
60 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
61 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
62 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
63 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0, }
65};
66MODULE_DEVICE_TABLE(pci, card_ids);
67
68static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
69static void airo_pci_remove(struct pci_dev *);
05adc3b7 70static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
1da177e4
LT		 71static int airo_pci_resume(struct pci_dev *pdev);
72
73static struct pci_driver airo_driver = {
74 .name = "airo",
75 .id_table = card_ids,
76 .probe = airo_pci_probe,
77 .remove = __devexit_p(airo_pci_remove),
78 .suspend = airo_pci_suspend,
79 .resume = airo_pci_resume,
80};
81#endif /* CONFIG_PCI */
82
83/* Include Wireless Extension definition and check version - Jean II */
84#include <linux/wireless.h>
85#define WIRELESS_SPY // enable iwspy support
86#include <net/iw_handler.h> // New driver API
87
88#define CISCO_EXT // enable Cisco extensions
89#ifdef CISCO_EXT
90#include <linux/delay.h>
91#endif
92
1da177e4
LT		 93/* Hack to do some power saving */
94#define POWER_ON_DOWN
95
96/* As you can see this list is HUGH!
97 I really don't know what a lot of these counts are about, but they
98 are all here for completeness. If the IGNLABEL macro is put in
99 infront of the label, that statistic will not be included in the list
100 of statistics in the /proc filesystem */
101
102#define IGNLABEL(comment) NULL
103static char *statsLabels[] = {
104 "RxOverrun",
105 IGNLABEL("RxPlcpCrcErr"),
106 IGNLABEL("RxPlcpFormatErr"),
107 IGNLABEL("RxPlcpLengthErr"),
108 "RxMacCrcErr",
109 "RxMacCrcOk",
110 "RxWepErr",
111 "RxWepOk",
112 "RetryLong",
113 "RetryShort",
114 "MaxRetries",
115 "NoAck",
116 "NoCts",
117 "RxAck",
118 "RxCts",
119 "TxAck",
120 "TxRts",
121 "TxCts",
122 "TxMc",
123 "TxBc",
124 "TxUcFrags",
125 "TxUcPackets",
126 "TxBeacon",
127 "RxBeacon",
128 "TxSinColl",
129 "TxMulColl",
130 "DefersNo",
131 "DefersProt",
132 "DefersEngy",
133 "DupFram",
134 "RxFragDisc",
135 "TxAged",
136 "RxAged",
137 "LostSync-MaxRetry",
138 "LostSync-MissedBeacons",
139 "LostSync-ArlExceeded",
140 "LostSync-Deauth",
141 "LostSync-Disassoced",
142 "LostSync-TsfTiming",
143 "HostTxMc",
144 "HostTxBc",
145 "HostTxUc",
146 "HostTxFail",
147 "HostRxMc",
148 "HostRxBc",
149 "HostRxUc",
150 "HostRxDiscard",
151 IGNLABEL("HmacTxMc"),
152 IGNLABEL("HmacTxBc"),
153 IGNLABEL("HmacTxUc"),
154 IGNLABEL("HmacTxFail"),
155 IGNLABEL("HmacRxMc"),
156 IGNLABEL("HmacRxBc"),
157 IGNLABEL("HmacRxUc"),
158 IGNLABEL("HmacRxDiscard"),
159 IGNLABEL("HmacRxAccepted"),
160 "SsidMismatch",
161 "ApMismatch",
162 "RatesMismatch",
163 "AuthReject",
164 "AuthTimeout",
165 "AssocReject",
166 "AssocTimeout",
167 IGNLABEL("ReasonOutsideTable"),
168 IGNLABEL("ReasonStatus1"),
169 IGNLABEL("ReasonStatus2"),
170 IGNLABEL("ReasonStatus3"),
171 IGNLABEL("ReasonStatus4"),
172 IGNLABEL("ReasonStatus5"),
173 IGNLABEL("ReasonStatus6"),
174 IGNLABEL("ReasonStatus7"),
175 IGNLABEL("ReasonStatus8"),
176 IGNLABEL("ReasonStatus9"),
177 IGNLABEL("ReasonStatus10"),
178 IGNLABEL("ReasonStatus11"),
179 IGNLABEL("ReasonStatus12"),
180 IGNLABEL("ReasonStatus13"),
181 IGNLABEL("ReasonStatus14"),
182 IGNLABEL("ReasonStatus15"),
183 IGNLABEL("ReasonStatus16"),
184 IGNLABEL("ReasonStatus17"),
185 IGNLABEL("ReasonStatus18"),
186 IGNLABEL("ReasonStatus19"),
187 "RxMan",
188 "TxMan",
189 "RxRefresh",
190 "TxRefresh",
191 "RxPoll",
192 "TxPoll",
193 "HostRetries",
194 "LostSync-HostReq",
195 "HostTxBytes",
196 "HostRxBytes",
197 "ElapsedUsec",
198 "ElapsedSec",
199 "LostSyncBetterAP",
200 "PrivacyMismatch",
201 "Jammed",
202 "DiscRxNotWepped",
203 "PhyEleMismatch",
204 (char*)-1 };
205#ifndef RUN_AT
206#define RUN_AT(x) (jiffies+(x))
207#endif
208
209
210/* These variables are for insmod, since it seems that the rates
211 can only be set in setup_card. Rates should be a comma separated
212 (no spaces) list of rates (up to 8). */
213
214static int rates[8];
215static int basic_rate;
216static char *ssids[3];
217
218static int io[4];
219static int irq[4];
220
221static
222int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
223 0 means no limit. For old cards this was 4 */
224
225static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
226static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
227 the bap, needed on some older cards and buses. */
228static int adhoc;
229
230static int probe = 1;
231
232static int proc_uid /* = 0 */;
233
234static int proc_gid /* = 0 */;
235
236static int airo_perm = 0555;
237
238static int proc_perm = 0644;
239
240MODULE_AUTHOR("Benjamin Reed");
241MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
242 cards. Direct support for ISA/PCI/MPI cards and support \
243 for PCMCIA when used with airo_cs.");
244MODULE_LICENSE("Dual BSD/GPL");
245MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
246module_param_array(io, int, NULL, 0);
247module_param_array(irq, int, NULL, 0);
248module_param(basic_rate, int, 0);
249module_param_array(rates, int, NULL, 0);
250module_param_array(ssids, charp, NULL, 0);
251module_param(auto_wep, int, 0);
252MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
253the authentication options until an association is made. The value of \
254auto_wep is number of the wep keys to check. A value of 2 will try using \
255the key at index 0 and index 1.");
256module_param(aux_bap, int, 0);
257MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
258than seems to work better for older cards with some older buses. Before \
259switching it checks that the switch is needed.");
260module_param(maxencrypt, int, 0);
261MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
262encryption. Units are in 512kbs. Zero (default) means there is no limit. \
263Older cards used to be limited to 2mbs (4).");
264module_param(adhoc, int, 0);
265MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
266module_param(probe, int, 0);
267MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
268
269module_param(proc_uid, int, 0);
270MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
271module_param(proc_gid, int, 0);
272MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
273module_param(airo_perm, int, 0);
274MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
275module_param(proc_perm, int, 0);
276MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
277
278/* This is a kind of sloppy hack to get this information to OUT4500 and
279 IN4500. I would be extremely interested in the situation where this
280 doesn't work though!!! */
281static int do8bitIO = 0;
282
283/* Return codes */
284#define SUCCESS 0
285#define ERROR -1
286#define NO_PACKET -2
287
288/* Commands */
289#define NOP2 0x0000
290#define MAC_ENABLE 0x0001
291#define MAC_DISABLE 0x0002
292#define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
293#define CMD_SOFTRESET 0x0004
294#define HOSTSLEEP 0x0005
295#define CMD_MAGIC_PKT 0x0006
296#define CMD_SETWAKEMASK 0x0007
297#define CMD_READCFG 0x0008
298#define CMD_SETMODE 0x0009
299#define CMD_ALLOCATETX 0x000a
300#define CMD_TRANSMIT 0x000b
301#define CMD_DEALLOCATETX 0x000c
302#define NOP 0x0010
303#define CMD_WORKAROUND 0x0011
304#define CMD_ALLOCATEAUX 0x0020
305#define CMD_ACCESS 0x0021
306#define CMD_PCIBAP 0x0022
307#define CMD_PCIAUX 0x0023
308#define CMD_ALLOCBUF 0x0028
309#define CMD_GETTLV 0x0029
310#define CMD_PUTTLV 0x002a
311#define CMD_DELTLV 0x002b
312#define CMD_FINDNEXTTLV 0x002c
313#define CMD_PSPNODES 0x0030
314#define CMD_SETCW 0x0031
315#define CMD_SETPCF 0x0032
316#define CMD_SETPHYREG 0x003e
317#define CMD_TXTEST 0x003f
318#define MAC_ENABLETX 0x0101
319#define CMD_LISTBSS 0x0103
320#define CMD_SAVECFG 0x0108
321#define CMD_ENABLEAUX 0x0111
322#define CMD_WRITERID 0x0121
323#define CMD_USEPSPNODES 0x0130
324#define MAC_ENABLERX 0x0201
325
326/* Command errors */
327#define ERROR_QUALIF 0x00
328#define ERROR_ILLCMD 0x01
329#define ERROR_ILLFMT 0x02
330#define ERROR_INVFID 0x03
331#define ERROR_INVRID 0x04
332#define ERROR_LARGE 0x05
333#define ERROR_NDISABL 0x06
334#define ERROR_ALLOCBSY 0x07
335#define ERROR_NORD 0x0B
336#define ERROR_NOWR 0x0C
337#define ERROR_INVFIDTX 0x0D
338#define ERROR_TESTACT 0x0E
339#define ERROR_TAGNFND 0x12
340#define ERROR_DECODE 0x20
341#define ERROR_DESCUNAV 0x21
342#define ERROR_BADLEN 0x22
343#define ERROR_MODE 0x80
344#define ERROR_HOP 0x81
345#define ERROR_BINTER 0x82
346#define ERROR_RXMODE 0x83
347#define ERROR_MACADDR 0x84
348#define ERROR_RATES 0x85
349#define ERROR_ORDER 0x86
350#define ERROR_SCAN 0x87
351#define ERROR_AUTH 0x88
352#define ERROR_PSMODE 0x89
353#define ERROR_RTYPE 0x8A
354#define ERROR_DIVER 0x8B
355#define ERROR_SSID 0x8C
356#define ERROR_APLIST 0x8D
357#define ERROR_AUTOWAKE 0x8E
358#define ERROR_LEAP 0x8F
359
360/* Registers */
361#define COMMAND 0x00
362#define PARAM0 0x02
363#define PARAM1 0x04
364#define PARAM2 0x06
365#define STATUS 0x08
366#define RESP0 0x0a
367#define RESP1 0x0c
368#define RESP2 0x0e
369#define LINKSTAT 0x10
370#define SELECT0 0x18
371#define OFFSET0 0x1c
372#define RXFID 0x20
373#define TXALLOCFID 0x22
374#define TXCOMPLFID 0x24
375#define DATA0 0x36
376#define EVSTAT 0x30
377#define EVINTEN 0x32
378#define EVACK 0x34
379#define SWS0 0x28
380#define SWS1 0x2a
381#define SWS2 0x2c
382#define SWS3 0x2e
383#define AUXPAGE 0x3A
384#define AUXOFF 0x3C
385#define AUXDATA 0x3E
386
387#define FID_TX 1
388#define FID_RX 2
389/* Offset into aux memory for descriptors */
390#define AUX_OFFSET 0x800
391/* Size of allocated packets */
392#define PKTSIZE 1840
393#define RIDSIZE 2048
394/* Size of the transmit queue */
395#define MAXTXQ 64
396
397/* BAP selectors */
398#define BAP0 0 // Used for receiving packets
399#define BAP1 2 // Used for xmiting packets and working with RIDS
400
401/* Flags */
402#define COMMAND_BUSY 0x8000
403
404#define BAP_BUSY 0x8000
405#define BAP_ERR 0x4000
406#define BAP_DONE 0x2000
407
408#define PROMISC 0xffff
409#define NOPROMISC 0x0000
410
411#define EV_CMD 0x10
412#define EV_CLEARCOMMANDBUSY 0x4000
413#define EV_RX 0x01
414#define EV_TX 0x02
415#define EV_TXEXC 0x04
416#define EV_ALLOC 0x08
417#define EV_LINK 0x80
418#define EV_AWAKE 0x100
419#define EV_TXCPY 0x400
420#define EV_UNKNOWN 0x800
421#define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
422#define EV_AWAKEN 0x2000
423#define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
424
425#ifdef CHECK_UNKNOWN_INTS
426#define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
427#else
428#define IGNORE_INTS (~STATUS_INTS)
429#endif
430
431/* RID TYPES */
432#define RID_RW 0x20
433
434/* The RIDs */
435#define RID_CAPABILITIES 0xFF00
436#define RID_APINFO 0xFF01
437#define RID_RADIOINFO 0xFF02
438#define RID_UNKNOWN3 0xFF03
439#define RID_RSSI 0xFF04
440#define RID_CONFIG 0xFF10
441#define RID_SSID 0xFF11
442#define RID_APLIST 0xFF12
443#define RID_DRVNAME 0xFF13
444#define RID_ETHERENCAP 0xFF14
445#define RID_WEP_TEMP 0xFF15
446#define RID_WEP_PERM 0xFF16
447#define RID_MODULATION 0xFF17
448#define RID_OPTIONS 0xFF18
449#define RID_ACTUALCONFIG 0xFF20 /*readonly*/
450#define RID_FACTORYCONFIG 0xFF21
451#define RID_UNKNOWN22 0xFF22
452#define RID_LEAPUSERNAME 0xFF23
453#define RID_LEAPPASSWORD 0xFF24
454#define RID_STATUS 0xFF50
455#define RID_BEACON_HST 0xFF51
456#define RID_BUSY_HST 0xFF52
457#define RID_RETRIES_HST 0xFF53
458#define RID_UNKNOWN54 0xFF54
459#define RID_UNKNOWN55 0xFF55
460#define RID_UNKNOWN56 0xFF56
461#define RID_MIC 0xFF57
462#define RID_STATS16 0xFF60
463#define RID_STATS16DELTA 0xFF61
464#define RID_STATS16DELTACLEAR 0xFF62
465#define RID_STATS 0xFF68
466#define RID_STATSDELTA 0xFF69
467#define RID_STATSDELTACLEAR 0xFF6A
468#define RID_ECHOTEST_RID 0xFF70
469#define RID_ECHOTEST_RESULTS 0xFF71
470#define RID_BSSLISTFIRST 0xFF72
471#define RID_BSSLISTNEXT 0xFF73
3c304956
DW		 472#define RID_WPA_BSSLISTFIRST 0xFF74
473#define RID_WPA_BSSLISTNEXT 0xFF75
1da177e4
LT		 474
475typedef struct {
476 u16 cmd;
477 u16 parm0;
478 u16 parm1;
479 u16 parm2;
480} Cmd;
481
482typedef struct {
483 u16 status;
484 u16 rsp0;
485 u16 rsp1;
486 u16 rsp2;
487} Resp;
488
489/*
490 * Rids and endian-ness: The Rids will always be in cpu endian, since
491 * this all the patches from the big-endian guys end up doing that.
492 * so all rid access should use the read/writeXXXRid routines.
493 */
494
495/* This is redundant for x86 archs, but it seems necessary for ARM */
496#pragma pack(1)
497
498/* This structure came from an email sent to me from an engineer at
499 aironet for inclusion into this driver */
500typedef struct {
501 u16 len;
502 u16 kindex;
503 u8 mac[ETH_ALEN];
504 u16 klen;
505 u8 key[16];
506} WepKeyRid;
507
508/* These structures are from the Aironet's PC4500 Developers Manual */
509typedef struct {
510 u16 len;
511 u8 ssid[32];
512} Ssid;
513
514typedef struct {
515 u16 len;
516 Ssid ssids[3];
517} SsidRid;
518
519typedef struct {
520 u16 len;
521 u16 modulation;
522#define MOD_DEFAULT 0
523#define MOD_CCK 1
524#define MOD_MOK 2
525} ModulationRid;
526
527typedef struct {
528 u16 len; /* sizeof(ConfigRid) */
529 u16 opmode; /* operating mode */
530#define MODE_STA_IBSS 0
531#define MODE_STA_ESS 1
532#define MODE_AP 2
533#define MODE_AP_RPTR 3
534#define MODE_ETHERNET_HOST (0<<8) /* rx payloads converted */
535#define MODE_LLC_HOST (1<<8) /* rx payloads left as is */
536#define MODE_AIRONET_EXTEND (1<<9) /* enable Aironet extenstions */
537#define MODE_AP_INTERFACE (1<<10) /* enable ap interface extensions */
538#define MODE_ANTENNA_ALIGN (1<<11) /* enable antenna alignment */
539#define MODE_ETHER_LLC (1<<12) /* enable ethernet LLC */
540#define MODE_LEAF_NODE (1<<13) /* enable leaf node bridge */
541#define MODE_CF_POLLABLE (1<<14) /* enable CF pollable */
542#define MODE_MIC (1<<15) /* enable MIC */
543 u16 rmode; /* receive mode */
544#define RXMODE_BC_MC_ADDR 0
545#define RXMODE_BC_ADDR 1 /* ignore multicasts */
546#define RXMODE_ADDR 2 /* ignore multicast and broadcast */
547#define RXMODE_RFMON 3 /* wireless monitor mode */
548#define RXMODE_RFMON_ANYBSS 4
549#define RXMODE_LANMON 5 /* lan style monitor -- data packets only */
550#define RXMODE_DISABLE_802_3_HEADER (1<<8) /* disables 802.3 header on rx */
551#define RXMODE_NORMALIZED_RSSI (1<<9) /* return normalized RSSI */
552 u16 fragThresh;
553 u16 rtsThres;
554 u8 macAddr[ETH_ALEN];
555 u8 rates[8];
556 u16 shortRetryLimit;
557 u16 longRetryLimit;
558 u16 txLifetime; /* in kusec */
559 u16 rxLifetime; /* in kusec */
560 u16 stationary;
561 u16 ordering;
562 u16 u16deviceType; /* for overriding device type */
563 u16 cfpRate;
564 u16 cfpDuration;
565 u16 _reserved1[3];
566 /*---------- Scanning/Associating ----------*/
567 u16 scanMode;
568#define SCANMODE_ACTIVE 0
569#define SCANMODE_PASSIVE 1
570#define SCANMODE_AIROSCAN 2
571 u16 probeDelay; /* in kusec */
572 u16 probeEnergyTimeout; /* in kusec */
573 u16 probeResponseTimeout;
574 u16 beaconListenTimeout;
575 u16 joinNetTimeout;
576 u16 authTimeout;
577 u16 authType;
578#define AUTH_OPEN 0x1
579#define AUTH_ENCRYPT 0x101
580#define AUTH_SHAREDKEY 0x102
581#define AUTH_ALLOW_UNENCRYPTED 0x200
582 u16 associationTimeout;
583 u16 specifiedApTimeout;
584 u16 offlineScanInterval;
585 u16 offlineScanDuration;
586 u16 linkLossDelay;
587 u16 maxBeaconLostTime;
588 u16 refreshInterval;
589#define DISABLE_REFRESH 0xFFFF
590 u16 _reserved1a[1];
591 /*---------- Power save operation ----------*/
592 u16 powerSaveMode;
593#define POWERSAVE_CAM 0
594#define POWERSAVE_PSP 1
595#define POWERSAVE_PSPCAM 2
596 u16 sleepForDtims;
597 u16 listenInterval;
598 u16 fastListenInterval;
599 u16 listenDecay;
600 u16 fastListenDelay;
601 u16 _reserved2[2];
602 /*---------- Ap/Ibss config items ----------*/
603 u16 beaconPeriod;
604 u16 atimDuration;
605 u16 hopPeriod;
606 u16 channelSet;
607 u16 channel;
608 u16 dtimPeriod;
609 u16 bridgeDistance;
610 u16 radioID;
611 /*---------- Radio configuration ----------*/
612 u16 radioType;
613#define RADIOTYPE_DEFAULT 0
614#define RADIOTYPE_802_11 1
615#define RADIOTYPE_LEGACY 2
616 u8 rxDiversity;
617 u8 txDiversity;
618 u16 txPower;
619#define TXPOWER_DEFAULT 0
620 u16 rssiThreshold;
621#define RSSI_DEFAULT 0
622 u16 modulation;
623#define PREAMBLE_AUTO 0
624#define PREAMBLE_LONG 1
625#define PREAMBLE_SHORT 2
626 u16 preamble;
627 u16 homeProduct;
628 u16 radioSpecific;
629 /*---------- Aironet Extensions ----------*/
630 u8 nodeName[16];
631 u16 arlThreshold;
632 u16 arlDecay;
633 u16 arlDelay;
634 u16 _reserved4[1];
635 /*---------- Aironet Extensions ----------*/
636 u8 magicAction;
637#define MAGIC_ACTION_STSCHG 1
638#define MAGIC_ACTION_RESUME 2
639#define MAGIC_IGNORE_MCAST (1<<8)
640#define MAGIC_IGNORE_BCAST (1<<9)
641#define MAGIC_SWITCH_TO_PSP (0<<10)
642#define MAGIC_STAY_IN_CAM (1<<10)
643 u8 magicControl;
644 u16 autoWake;
645} ConfigRid;
646
647typedef struct {
648 u16 len;
649 u8 mac[ETH_ALEN];
650 u16 mode;
651 u16 errorCode;
652 u16 sigQuality;
653 u16 SSIDlen;
654 char SSID[32];
655 char apName[16];
656 u8 bssid[4][ETH_ALEN];
657 u16 beaconPeriod;
658 u16 dimPeriod;
659 u16 atimDuration;
660 u16 hopPeriod;
661 u16 channelSet;
662 u16 channel;
663 u16 hopsToBackbone;
664 u16 apTotalLoad;
665 u16 generatedLoad;
666 u16 accumulatedArl;
667 u16 signalQuality;
668 u16 currentXmitRate;
669 u16 apDevExtensions;
670 u16 normalizedSignalStrength;
671 u16 shortPreamble;
672 u8 apIP[4];
673 u8 noisePercent; /* Noise percent in last second */
674 u8 noisedBm; /* Noise dBm in last second */
675 u8 noiseAvePercent; /* Noise percent in last minute */
676 u8 noiseAvedBm; /* Noise dBm in last minute */
677 u8 noiseMaxPercent; /* Highest noise percent in last minute */
678 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
679 u16 load;
680 u8 carrier[4];
681 u16 assocStatus;
682#define STAT_NOPACKETS 0
683#define STAT_NOCARRIERSET 10
684#define STAT_GOTCARRIERSET 11
685#define STAT_WRONGSSID 20
686#define STAT_BADCHANNEL 25
687#define STAT_BADBITRATES 30
688#define STAT_BADPRIVACY 35
689#define STAT_APFOUND 40
690#define STAT_APREJECTED 50
691#define STAT_AUTHENTICATING 60
692#define STAT_DEAUTHENTICATED 61
693#define STAT_AUTHTIMEOUT 62
694#define STAT_ASSOCIATING 70
695#define STAT_DEASSOCIATED 71
696#define STAT_ASSOCTIMEOUT 72
697#define STAT_NOTAIROAP 73
698#define STAT_ASSOCIATED 80
699#define STAT_LEAPING 90
700#define STAT_LEAPFAILED 91
701#define STAT_LEAPTIMEDOUT 92
702#define STAT_LEAPCOMPLETE 93
703} StatusRid;
704
705typedef struct {
706 u16 len;
707 u16 spacer;
708 u32 vals[100];
709} StatsRid;
710
711
712typedef struct {
713 u16 len;
714 u8 ap[4][ETH_ALEN];
715} APListRid;
716
717typedef struct {
718 u16 len;
719 char oui[3];
720 char zero;
721 u16 prodNum;
722 char manName[32];
723 char prodName[16];
724 char prodVer[8];
725 char factoryAddr[ETH_ALEN];
726 char aironetAddr[ETH_ALEN];
727 u16 radioType;
728 u16 country;
729 char callid[ETH_ALEN];
730 char supportedRates[8];
731 char rxDiversity;
732 char txDiversity;
733 u16 txPowerLevels[8];
734 u16 hardVer;
735 u16 hardCap;
736 u16 tempRange;
737 u16 softVer;
738 u16 softSubVer;
739 u16 interfaceVer;
740 u16 softCap;
741 u16 bootBlockVer;
742 u16 requiredHard;
743 u16 extSoftCap;
744} CapabilityRid;
745
3c304956
DW		 746
747/* Only present on firmware >= 5.30.17 */
748typedef struct {
749 u16 unknown[4];
750 u8 fixed[12]; /* WLAN management frame */
751 u8 iep[624];
752} BSSListRidExtra;
753
1da177e4
LT		 754typedef struct {
755 u16 len;
756 u16 index; /* First is 0 and 0xffff means end of list */
757#define RADIO_FH 1 /* Frequency hopping radio type */
758#define RADIO_DS 2 /* Direct sequence radio type */
759#define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
760 u16 radioType;
761 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
762 u8 zero;
763 u8 ssidLen;
764 u8 ssid[32];
41480af2 765 u16 dBm;
1da177e4
LT		 766#define CAP_ESS (1<<0)
767#define CAP_IBSS (1<<1)
768#define CAP_PRIVACY (1<<4)
769#define CAP_SHORTHDR (1<<5)
770 u16 cap;
771 u16 beaconInterval;
772 u8 rates[8]; /* Same as rates for config rid */
773 struct { /* For frequency hopping only */
774 u16 dwell;
775 u8 hopSet;
776 u8 hopPattern;
777 u8 hopIndex;
778 u8 fill;
779 } fh;
780 u16 dsChannel;
781 u16 atimWindow;
3c304956
DW		 782
783 /* Only present on firmware >= 5.30.17 */
784 BSSListRidExtra extra;
1da177e4
LT		 785} BSSListRid;
786
9e75af30
DW		 787typedef struct {
788 BSSListRid bss;
789 struct list_head list;
790} BSSListElement;
791
1da177e4
LT		 792typedef struct {
793 u8 rssipct;
794 u8 rssidBm;
795} tdsRssiEntry;
796
797typedef struct {
798 u16 len;
799 tdsRssiEntry x[256];
800} tdsRssiRid;
801
802typedef struct {
803 u16 len;
804 u16 state;
805 u16 multicastValid;
806 u8 multicast[16];
807 u16 unicastValid;
808 u8 unicast[16];
809} MICRid;
810
811typedef struct {
812 u16 typelen;
813
814 union {
815 u8 snap[8];
816 struct {
817 u8 dsap;
818 u8 ssap;
819 u8 control;
820 u8 orgcode[3];
821 u8 fieldtype[2];
822 } llc;
823 } u;
824 u32 mic;
825 u32 seq;
826} MICBuffer;
827
828typedef struct {
829 u8 da[ETH_ALEN];
830 u8 sa[ETH_ALEN];
831} etherHead;
832
833#pragma pack()
834
835#define TXCTL_TXOK (1<<1) /* report if tx is ok */
836#define TXCTL_TXEX (1<<2) /* report if tx fails */
837#define TXCTL_802_3 (0<<3) /* 802.3 packet */
838#define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
839#define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
840#define TXCTL_LLC (1<<4) /* payload is llc */
841#define TXCTL_RELEASE (0<<5) /* release after completion */
842#define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
843
844#define BUSY_FID 0x10000
845
846#ifdef CISCO_EXT
847#define AIROMAGIC 0xa55a
848/* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
849#ifdef SIOCIWFIRSTPRIV
850#ifdef SIOCDEVPRIVATE
851#define AIROOLDIOCTL SIOCDEVPRIVATE
852#define AIROOLDIDIFC AIROOLDIOCTL + 1
853#endif /* SIOCDEVPRIVATE */
854#else /* SIOCIWFIRSTPRIV */
855#define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
856#endif /* SIOCIWFIRSTPRIV */
857/* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
858 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
859 * only and don't return the modified struct ifreq to the application which
860 * is usually a problem. - Jean II */
861#define AIROIOCTL SIOCIWFIRSTPRIV
862#define AIROIDIFC AIROIOCTL + 1
863
864/* Ioctl constants to be used in airo_ioctl.command */
865
866#define AIROGCAP 0 // Capability rid
867#define AIROGCFG 1 // USED A LOT
868#define AIROGSLIST 2 // System ID list
869#define AIROGVLIST 3 // List of specified AP's
870#define AIROGDRVNAM 4 // NOTUSED
871#define AIROGEHTENC 5 // NOTUSED
872#define AIROGWEPKTMP 6
873#define AIROGWEPKNV 7
874#define AIROGSTAT 8
875#define AIROGSTATSC32 9
876#define AIROGSTATSD32 10
877#define AIROGMICRID 11
878#define AIROGMICSTATS 12
879#define AIROGFLAGS 13
880#define AIROGID 14
881#define AIRORRID 15
882#define AIRORSWVERSION 17
883
884/* Leave gap of 40 commands after AIROGSTATSD32 for future */
885
886#define AIROPCAP AIROGSTATSD32 + 40
887#define AIROPVLIST AIROPCAP + 1
888#define AIROPSLIST AIROPVLIST + 1
889#define AIROPCFG AIROPSLIST + 1
890#define AIROPSIDS AIROPCFG + 1
891#define AIROPAPLIST AIROPSIDS + 1
892#define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
893#define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
894#define AIROPSTCLR AIROPMACOFF + 1
895#define AIROPWEPKEY AIROPSTCLR + 1
896#define AIROPWEPKEYNV AIROPWEPKEY + 1
897#define AIROPLEAPPWD AIROPWEPKEYNV + 1
898#define AIROPLEAPUSR AIROPLEAPPWD + 1
899
900/* Flash codes */
901
902#define AIROFLSHRST AIROPWEPKEYNV + 40
903#define AIROFLSHGCHR AIROFLSHRST + 1
904#define AIROFLSHSTFL AIROFLSHGCHR + 1
905#define AIROFLSHPCHR AIROFLSHSTFL + 1
906#define AIROFLPUTBUF AIROFLSHPCHR + 1
907#define AIRORESTART AIROFLPUTBUF + 1
908
909#define FLASHSIZE 32768
910#define AUXMEMSIZE (256 * 1024)
911
912typedef struct aironet_ioctl {
913 unsigned short command; // What to do
914 unsigned short len; // Len of data
915 unsigned short ridnum; // rid number
916 unsigned char __user *data; // d-data
917} aironet_ioctl;
918
62595eb9 919static char swversion[] = "2.1";
1da177e4
LT		 920#endif /* CISCO_EXT */
921
922#define NUM_MODULES 2
923#define MIC_MSGLEN_MAX 2400
924#define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
15db2763 925#define AIRO_DEF_MTU 2312
1da177e4
LT		 926
927typedef struct {
928 u32 size; // size
929 u8 enabled; // MIC enabled or not
930 u32 rxSuccess; // successful packets received
931 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
932 u32 rxNotMICed; // pkts dropped due to not being MIC'd
933 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
934 u32 rxWrongSequence; // pkts dropped due to sequence number violation
935 u32 reserve[32];
936} mic_statistics;
937
938typedef struct {
939 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
940 u64 accum; // accumulated mic, reduced to u32 in final()
941 int position; // current position (byte offset) in message
942 union {
943 u8 d8[4];
944 u32 d32;
945 } part; // saves partial message word across update() calls
946} emmh32_context;
947
948typedef struct {
949 emmh32_context seed; // Context - the seed
950 u32 rx; // Received sequence number
951 u32 tx; // Tx sequence number
952 u32 window; // Start of window
953 u8 valid; // Flag to say if context is valid or not
954 u8 key[16];
955} miccntx;
956
957typedef struct {
958 miccntx mCtx; // Multicast context
959 miccntx uCtx; // Unicast context
960} mic_module;
961
962typedef struct {
963 unsigned int rid: 16;
964 unsigned int len: 15;
965 unsigned int valid: 1;
966 dma_addr_t host_addr;
967} Rid;
968
969typedef struct {
970 unsigned int offset: 15;
971 unsigned int eoc: 1;
972 unsigned int len: 15;
973 unsigned int valid: 1;
974 dma_addr_t host_addr;
975} TxFid;
976
977typedef struct {
978 unsigned int ctl: 15;
979 unsigned int rdy: 1;
980 unsigned int len: 15;
981 unsigned int valid: 1;
982 dma_addr_t host_addr;
983} RxFid;
984
985/*
986 * Host receive descriptor
987 */
988typedef struct {
989 unsigned char __iomem *card_ram_off; /* offset into card memory of the
990 desc */
991 RxFid rx_desc; /* card receive descriptor */
992 char *virtual_host_addr; /* virtual address of host receive
993 buffer */
994 int pending;
995} HostRxDesc;
996
997/*
998 * Host transmit descriptor
999 */
1000typedef struct {
1001 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1002 desc */
1003 TxFid tx_desc; /* card transmit descriptor */
1004 char *virtual_host_addr; /* virtual address of host receive
1005 buffer */
1006 int pending;
1007} HostTxDesc;
1008
1009/*
1010 * Host RID descriptor
1011 */
1012typedef struct {
1013 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1014 descriptor */
1015 Rid rid_desc; /* card RID descriptor */
1016 char *virtual_host_addr; /* virtual address of host receive
1017 buffer */
1018} HostRidDesc;
1019
1020typedef struct {
1021 u16 sw0;
1022 u16 sw1;
1023 u16 status;
1024 u16 len;
1025#define HOST_SET (1 << 0)
1026#define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1027#define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1028#define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1029#define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1030#define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1031#define HOST_CLR_AID (1 << 7) /* clear AID failure */
1032#define HOST_RTS (1 << 9) /* Force RTS use */
1033#define HOST_SHORT (1 << 10) /* Do short preamble */
1034 u16 ctl;
1035 u16 aid;
1036 u16 retries;
1037 u16 fill;
1038} TxCtlHdr;
1039
1040typedef struct {
1041 u16 ctl;
1042 u16 duration;
1043 char addr1[6];
1044 char addr2[6];
1045 char addr3[6];
1046 u16 seq;
1047 char addr4[6];
1048} WifiHdr;
1049
1050
1051typedef struct {
1052 TxCtlHdr ctlhdr;
1053 u16 fill1;
1054 u16 fill2;
1055 WifiHdr wifihdr;
1056 u16 gaplen;
1057 u16 status;
1058} WifiCtlHdr;
1059
ff1d2767 1060static WifiCtlHdr wifictlhdr8023 = {
1da177e4
LT		 1061 .ctlhdr = {
1062 .ctl = HOST_DONT_RLSE,
1063 }
1064};
1065
1da177e4
LT		 1066// Frequency list (map channels to frequencies)
1067static const long frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1068 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
1069
1070// A few details needed for WEP (Wireless Equivalent Privacy)
1071#define MAX_KEY_SIZE 13 // 128 (?) bits
1072#define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1073typedef struct wep_key_t {
1074 u16 len;
1075 u8 key[16]; /* 40-bit and 104-bit keys */
1076} wep_key_t;
1077
1078/* Backward compatibility */
1079#ifndef IW_ENCODE_NOKEY
1080#define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1081#define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1082#endif /* IW_ENCODE_NOKEY */
1083
1084/* List of Wireless Handlers (new API) */
1085static const struct iw_handler_def airo_handler_def;
1da177e4
LT		 1086
1087static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1088
1089struct airo_info;
1090
1091static int get_dec_u16( char *buffer, int *start, int limit );
1092static void OUT4500( struct airo_info *, u16 register, u16 value );
1093static unsigned short IN4500( struct airo_info *, u16 register );
1094static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1095static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock );
1096static void disable_MAC(struct airo_info *ai, int lock);
1097static void enable_interrupts(struct airo_info*);
1098static void disable_interrupts(struct airo_info*);
1099static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1100static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1101static int aux_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1102 int whichbap);
1103static int fast_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1104 int whichbap);
1105static int bap_write(struct airo_info*, const u16 *pu16Src, int bytelen,
1106 int whichbap);
1107static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1108static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1109static int PC4500_writerid(struct airo_info*, u16 rid, const void
1110 *pBuf, int len, int lock);
1111static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1112 int len, int dummy );
1113static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1114static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1115static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1116
1117static int mpi_send_packet (struct net_device *dev);
1118static void mpi_unmap_card(struct pci_dev *pci);
1119static void mpi_receive_802_3(struct airo_info *ai);
1120static void mpi_receive_802_11(struct airo_info *ai);
1121static int waitbusy (struct airo_info *ai);
1122
7d12e780 1123static irqreturn_t airo_interrupt( int irq, void* dev_id);
1da177e4
LT		 1124static int airo_thread(void *data);
1125static void timer_func( struct net_device *dev );
1126static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
ff1d2767 1127static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1da177e4 1128static void airo_read_wireless_stats (struct airo_info *local);
1da177e4
LT		 1129#ifdef CISCO_EXT
1130static int readrids(struct net_device *dev, aironet_ioctl *comp);
1131static int writerids(struct net_device *dev, aironet_ioctl *comp);
ff1d2767 1132static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1da177e4 1133#endif /* CISCO_EXT */
1da177e4
LT		 1134static void micinit(struct airo_info *ai);
1135static int micsetup(struct airo_info *ai);
1136static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1137static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1138
41480af2
DW		 1139static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1140static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1141
9e75af30
DW		 1142static void airo_networks_free(struct airo_info *ai);
1143
1da177e4
LT		 1144struct airo_info {
1145 struct net_device_stats stats;
1146 struct net_device *dev;
af5b5c9a 1147 struct list_head dev_list;
1da177e4
LT		 1148 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1149 use the high bit to mark whether it is in use. */
1150#define MAX_FIDS 6
1151#define MPI_MAX_FIDS 1
1152 int fids[MAX_FIDS];
1153 ConfigRid config;
1154 char keyindex; // Used with auto wep
1155 char defindex; // Used with auto wep
1156 struct proc_dir_entry *proc_entry;
1157 spinlock_t aux_lock;
1da177e4
LT		 1158#define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1159#define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1160#define FLAG_RADIO_MASK 0x03
1161#define FLAG_ENABLED 2
1162#define FLAG_ADHOC 3 /* Needed by MIC */
1163#define FLAG_MIC_CAPABLE 4
1164#define FLAG_UPDATE_MULTI 5
1165#define FLAG_UPDATE_UNI 6
1166#define FLAG_802_11 7
3c304956 1167#define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1da177e4
LT		 1168#define FLAG_PENDING_XMIT 9
1169#define FLAG_PENDING_XMIT11 10
1170#define FLAG_MPI 11
1171#define FLAG_REGISTERED 12
1172#define FLAG_COMMIT 13
1173#define FLAG_RESET 14
1174#define FLAG_FLASHING 15
3c304956
DW		 1175#define FLAG_WPA_CAPABLE 16
1176 unsigned long flags;
1177#define JOB_DIE 0
1178#define JOB_XMIT 1
1179#define JOB_XMIT11 2
1180#define JOB_STATS 3
1181#define JOB_PROMISC 4
1182#define JOB_MIC 5
1183#define JOB_EVENT 6
1184#define JOB_AUTOWEP 7
1185#define JOB_WSTATS 8
1186#define JOB_SCAN_RESULTS 9
1187 unsigned long jobs;
1da177e4
LT		 1188 int (*bap_read)(struct airo_info*, u16 *pu16Dst, int bytelen,
1189 int whichbap);
1190 unsigned short *flash;
1191 tdsRssiEntry *rssi;
3b4c7d64
SB		 1192 struct task_struct *list_bss_task;
1193 struct task_struct *airo_thread_task;
1da177e4 1194 struct semaphore sem;
1da177e4 1195 wait_queue_head_t thr_wait;
1da177e4
LT		 1196 unsigned long expires;
1197 struct {
1198 struct sk_buff *skb;
1199 int fid;
1200 } xmit, xmit11;
1201 struct net_device *wifidev;
1da177e4 1202 struct iw_statistics wstats; // wireless stats
9e75af30 1203 unsigned long scan_timeout; /* Time scan should be read */
1da177e4
LT		 1204 struct iw_spy_data spy_data;
1205 struct iw_public_data wireless_data;
1da177e4 1206 /* MIC stuff */
f12cc209 1207 struct crypto_cipher *tfm;
1da177e4
LT		 1208 mic_module mod[2];
1209 mic_statistics micstats;
1da177e4
LT		 1210 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1211 HostTxDesc txfids[MPI_MAX_FIDS];
1212 HostRidDesc config_desc;
1213 unsigned long ridbus; // phys addr of config_desc
1214 struct sk_buff_head txq;// tx queue used by mpi350 code
1215 struct pci_dev *pci;
1216 unsigned char __iomem *pcimem;
1217 unsigned char __iomem *pciaux;
1218 unsigned char *shared;
1219 dma_addr_t shared_dma;
1cc68ae0 1220 pm_message_t power;
1da177e4
LT		 1221 SsidRid *SSID;
1222 APListRid *APList;
1223#define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1224 char proc_name[IFNAMSIZ];
9e75af30 1225
3c304956
DW		 1226 /* WPA-related stuff */
1227 unsigned int bssListFirst;
1228 unsigned int bssListNext;
1229 unsigned int bssListRidLen;
1230
9e75af30
DW		 1231 struct list_head network_list;
1232 struct list_head network_free_list;
1233 BSSListElement *networks;
1da177e4
LT		 1234};
1235
1236static inline int bap_read(struct airo_info *ai, u16 *pu16Dst, int bytelen,
1237 int whichbap) {
1238 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1239}
1240
1241static int setup_proc_entry( struct net_device *dev,
1242 struct airo_info *apriv );
1243static int takedown_proc_entry( struct net_device *dev,
1244 struct airo_info *apriv );
1245
ff1d2767
JM		 1246static int cmdreset(struct airo_info *ai);
1247static int setflashmode (struct airo_info *ai);
1248static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1249static int flashputbuf(struct airo_info *ai);
1250static int flashrestart(struct airo_info *ai,struct net_device *dev);
1251
934d8bf1
DW		 1252#define airo_print(type, name, fmt, args...) \
1253 { printk(type "airo(%s): " fmt "\n", name, ##args); }
1254
1255#define airo_print_info(name, fmt, args...) \
1256 airo_print(KERN_INFO, name, fmt, ##args)
1257
1258#define airo_print_dbg(name, fmt, args...) \
1259 airo_print(KERN_DEBUG, name, fmt, ##args)
1260
1261#define airo_print_warn(name, fmt, args...) \
1262 airo_print(KERN_WARNING, name, fmt, ##args)
1263
1264#define airo_print_err(name, fmt, args...) \
1265 airo_print(KERN_ERR, name, fmt, ##args)
1266
1267
1da177e4
LT		 1268/***********************************************************************
1269 * MIC ROUTINES *
1270 ***********************************************************************
1271 */
1272
1273static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1274static void MoveWindow(miccntx *context, u32 micSeq);
f12cc209
HX		 1275static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1276 struct crypto_cipher *tfm);
ff1d2767
JM		 1277static void emmh32_init(emmh32_context *context);
1278static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1279static void emmh32_final(emmh32_context *context, u8 digest[4]);
1280static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1da177e4
LT		 1281
1282/* micinit - Initialize mic seed */
1283
1284static void micinit(struct airo_info *ai)
1285{
1286 MICRid mic_rid;
1287
3c304956 1288 clear_bit(JOB_MIC, &ai->jobs);
1da177e4
LT		 1289 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1290 up(&ai->sem);
1291
1292 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1293
1294 if (ai->micstats.enabled) {
1295 /* Key must be valid and different */
1296 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1297 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1298 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1299 /* Age current mic Context */
1300 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1301 /* Initialize new context */
1302 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1303 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1304 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1305 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1306 ai->mod[0].mCtx.valid = 1; //Key is now valid
1307
1308 /* Give key to mic seed */
1309 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1310 }
1311
1312 /* Key must be valid and different */
1313 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1314 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1315 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1316 /* Age current mic Context */
1317 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1318 /* Initialize new context */
1319 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1320
1321 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1322 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1323 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1324 ai->mod[0].uCtx.valid = 1; //Key is now valid
1325
1326 //Give key to mic seed
1327 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1328 }
1329 } else {
1330 /* So next time we have a valid key and mic is enabled, we will update
1331 * the sequence number if the key is the same as before.
1332 */
1333 ai->mod[0].uCtx.valid = 0;
1334 ai->mod[0].mCtx.valid = 0;
1335 }
1336}
1337
1338/* micsetup - Get ready for business */
1339
1340static int micsetup(struct airo_info *ai) {
1341 int i;
1342
1343 if (ai->tfm == NULL)
f12cc209 1344 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1da177e4 1345
f12cc209 1346 if (IS_ERR(ai->tfm)) {
934d8bf1 1347 airo_print_err(ai->dev->name, "failed to load transform for AES");
f12cc209 1348 ai->tfm = NULL;
1da177e4
LT		 1349 return ERROR;
1350 }
1351
1352 for (i=0; i < NUM_MODULES; i++) {
1353 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1354 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1355 }
1356 return SUCCESS;
1357}
1358
ff1d2767 1359static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1da177e4
LT		 1360
1361/*===========================================================================
1362 * Description: Mic a packet
1363 *
1364 * Inputs: etherHead * pointer to an 802.3 frame
1365 *
1366 * Returns: BOOLEAN if successful, otherwise false.
1367 * PacketTxLen will be updated with the mic'd packets size.
1368 *
1369 * Caveats: It is assumed that the frame buffer will already
1370 * be big enough to hold the largets mic message possible.
1371 * (No memory allocation is done here).
1372 *
1373 * Author: sbraneky (10/15/01)
1374 * Merciless hacks by rwilcher (1/14/02)
1375 */
1376
1377static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1378{
1379 miccntx *context;
1380
1381 // Determine correct context
1382 // If not adhoc, always use unicast key
1383
1384 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1385 context = &ai->mod[0].mCtx;
1386 else
1387 context = &ai->mod[0].uCtx;
1388
1389 if (!context->valid)
1390 return ERROR;
1391
1392 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1393
1394 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1395
1396 // Add Tx sequence
1397 mic->seq = htonl(context->tx);
1398 context->tx += 2;
1399
1400 emmh32_init(&context->seed); // Mic the packet
1401 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1402 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1403 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1404 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1405 emmh32_final(&context->seed, (u8*)&mic->mic);
1406
1407 /* New Type/length ?????????? */
1408 mic->typelen = 0; //Let NIC know it could be an oversized packet
1409 return SUCCESS;
1410}
1411
1412typedef enum {
1413 NONE,
1414 NOMIC,
1415 NOMICPLUMMED,
1416 SEQUENCE,
1417 INCORRECTMIC,
1418} mic_error;
1419
1420/*===========================================================================
1421 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1422 * (removes the MIC stuff) if packet is a valid packet.
1423 *
1424 * Inputs: etherHead pointer to the 802.3 packet
1425 *
1426 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1427 *
1428 * Author: sbraneky (10/15/01)
1429 * Merciless hacks by rwilcher (1/14/02)
1430 *---------------------------------------------------------------------------
1431 */
1432
1433static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1434{
1435 int i;
1436 u32 micSEQ;
1437 miccntx *context;
1438 u8 digest[4];
1439 mic_error micError = NONE;
1440
1441 // Check if the packet is a Mic'd packet
1442
1443 if (!ai->micstats.enabled) {
1444 //No Mic set or Mic OFF but we received a MIC'd packet.
1445 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1446 ai->micstats.rxMICPlummed++;
1447 return ERROR;
1448 }
1449 return SUCCESS;
1450 }
1451
1452 if (ntohs(mic->typelen) == 0x888E)
1453 return SUCCESS;
1454
1455 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1456 // Mic enabled but packet isn't Mic'd
1457 ai->micstats.rxMICPlummed++;
1458 return ERROR;
1459 }
1460
1461 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1462
1463 //At this point we a have a mic'd packet and mic is enabled
1464 //Now do the mic error checking.
1465
1466 //Receive seq must be odd
1467 if ( (micSEQ & 1) == 0 ) {
1468 ai->micstats.rxWrongSequence++;
1469 return ERROR;
1470 }
1471
1472 for (i = 0; i < NUM_MODULES; i++) {
1473 int mcast = eth->da[0] & 1;
1474 //Determine proper context
1475 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1476
1477 //Make sure context is valid
1478 if (!context->valid) {
1479 if (i == 0)
1480 micError = NOMICPLUMMED;
1481 continue;
1482 }
1483 //DeMic it
1484
1485 if (!mic->typelen)
1486 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1487
1488 emmh32_init(&context->seed);
1489 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1490 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1491 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1492 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1493 //Calculate MIC
1494 emmh32_final(&context->seed, digest);
1495
1496 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1497 //Invalid Mic
1498 if (i == 0)
1499 micError = INCORRECTMIC;
1500 continue;
1501 }
1502
1503 //Check Sequence number if mics pass
1504 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1505 ai->micstats.rxSuccess++;
1506 return SUCCESS;
1507 }
1508 if (i == 0)
1509 micError = SEQUENCE;
1510 }
1511
1512 // Update statistics
1513 switch (micError) {
1514 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1515 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1516 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1517 case NONE: break;
1518 case NOMIC: break;
1519 }
1520 return ERROR;
1521}
1522
1523/*===========================================================================
1524 * Description: Checks the Rx Seq number to make sure it is valid
1525 * and hasn't already been received
1526 *
1527 * Inputs: miccntx - mic context to check seq against
1528 * micSeq - the Mic seq number
1529 *
1530 * Returns: TRUE if valid otherwise FALSE.
1531 *
1532 * Author: sbraneky (10/15/01)
1533 * Merciless hacks by rwilcher (1/14/02)
1534 *---------------------------------------------------------------------------
1535 */
1536
1537static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1538{
1539 u32 seq,index;
1540
1541 //Allow for the ap being rebooted - if it is then use the next
1542 //sequence number of the current sequence number - might go backwards
1543
1544 if (mcast) {
1545 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1546 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1547 context->window = (micSeq > 33) ? micSeq : 33;
1548 context->rx = 0; // Reset rx
1549 }
1550 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1551 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1552 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1553 context->rx = 0; // Reset rx
1554 }
1555
1556 //Make sequence number relative to START of window
1557 seq = micSeq - (context->window - 33);
1558
1559 //Too old of a SEQ number to check.
1560 if ((s32)seq < 0)
1561 return ERROR;
1562
1563 if ( seq > 64 ) {
1564 //Window is infinite forward
1565 MoveWindow(context,micSeq);
1566 return SUCCESS;
1567 }
1568
1569 // We are in the window. Now check the context rx bit to see if it was already sent
1570 seq >>= 1; //divide by 2 because we only have odd numbers
1571 index = 1 << seq; //Get an index number
1572
1573 if (!(context->rx & index)) {
1574 //micSEQ falls inside the window.
1575 //Add seqence number to the list of received numbers.
1576 context->rx |= index;
1577
1578 MoveWindow(context,micSeq);
1579
1580 return SUCCESS;
1581 }
1582 return ERROR;
1583}
1584
1585static void MoveWindow(miccntx *context, u32 micSeq)
1586{
1587 u32 shift;
1588
1589 //Move window if seq greater than the middle of the window
1590 if (micSeq > context->window) {
1591 shift = (micSeq - context->window) >> 1;
1592
1593 //Shift out old
1594 if (shift < 32)
1595 context->rx >>= shift;
1596 else
1597 context->rx = 0;
1598
1599 context->window = micSeq; //Move window
1600 }
1601}
1602
1603/*==============================================*/
1604/*========== EMMH ROUTINES ====================*/
1605/*==============================================*/
1606
1607/* mic accumulate */
1608#define MIC_ACCUM(val) \
1609 context->accum += (u64)(val) * context->coeff[coeff_position++];
1610
1611static unsigned char aes_counter[16];
1612
1613/* expand the key to fill the MMH coefficient array */
f12cc209
HX		 1614static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1615 struct crypto_cipher *tfm)
1da177e4
LT		 1616{
1617 /* take the keying material, expand if necessary, truncate at 16-bytes */
1618 /* run through AES counter mode to generate context->coeff[] */
1619
1620 int i,j;
1621 u32 counter;
1622 u8 *cipher, plain[16];
1da177e4
LT		 1623
1624 crypto_cipher_setkey(tfm, pkey, 16);
1625 counter = 0;
e7c04fd3 1626 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1da177e4
LT		 1627 aes_counter[15] = (u8)(counter >> 0);
1628 aes_counter[14] = (u8)(counter >> 8);
1629 aes_counter[13] = (u8)(counter >> 16);
1630 aes_counter[12] = (u8)(counter >> 24);
1631 counter++;
1632 memcpy (plain, aes_counter, 16);
f12cc209
HX		 1633 crypto_cipher_encrypt_one(tfm, plain, plain);
1634 cipher = plain;
e7c04fd3 1635 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1da177e4
LT		 1636 context->coeff[i++] = ntohl(*(u32 *)&cipher[j]);
1637 j += 4;
1638 }
1639 }
1640}
1641
1642/* prepare for calculation of a new mic */
ff1d2767 1643static void emmh32_init(emmh32_context *context)
1da177e4
LT		 1644{
1645 /* prepare for new mic calculation */
1646 context->accum = 0;
1647 context->position = 0;
1648}
1649
1650/* add some bytes to the mic calculation */
ff1d2767 1651static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1da177e4
LT		 1652{
1653 int coeff_position, byte_position;
1654
1655 if (len == 0) return;
1656
1657 coeff_position = context->position >> 2;
1658
1659 /* deal with partial 32-bit word left over from last update */
1660 byte_position = context->position & 3;
1661 if (byte_position) {
1662 /* have a partial word in part to deal with */
1663 do {
1664 if (len == 0) return;
1665 context->part.d8[byte_position++] = *pOctets++;
1666 context->position++;
1667 len--;
1668 } while (byte_position < 4);
1669 MIC_ACCUM(htonl(context->part.d32));
1670 }
1671
1672 /* deal with full 32-bit words */
1673 while (len >= 4) {
1674 MIC_ACCUM(htonl(*(u32 *)pOctets));
1675 context->position += 4;
1676 pOctets += 4;
1677 len -= 4;
1678 }
1679
1680 /* deal with partial 32-bit word that will be left over from this update */
1681 byte_position = 0;
1682 while (len > 0) {
1683 context->part.d8[byte_position++] = *pOctets++;
1684 context->position++;
1685 len--;
1686 }
1687}
1688
1689/* mask used to zero empty bytes for final partial word */
1690static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1691
1692/* calculate the mic */
ff1d2767 1693static void emmh32_final(emmh32_context *context, u8 digest[4])
1da177e4
LT		 1694{
1695 int coeff_position, byte_position;
1696 u32 val;
1697
1698 u64 sum, utmp;
1699 s64 stmp;
1700
1701 coeff_position = context->position >> 2;
1702
1703 /* deal with partial 32-bit word left over from last update */
1704 byte_position = context->position & 3;
1705 if (byte_position) {
1706 /* have a partial word in part to deal with */
1707 val = htonl(context->part.d32);
1708 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1709 }
1710
1711 /* reduce the accumulated u64 to a 32-bit MIC */
1712 sum = context->accum;
1713 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1714 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1715 sum = utmp & 0xffffffffLL;
1716 if (utmp > 0x10000000fLL)
1717 sum -= 15;
1718
1719 val = (u32)sum;
1720 digest[0] = (val>>24) & 0xFF;
1721 digest[1] = (val>>16) & 0xFF;
1722 digest[2] = (val>>8) & 0xFF;
1723 digest[3] = val & 0xFF;
1724}
1da177e4
LT		 1725
1726static int readBSSListRid(struct airo_info *ai, int first,
1727 BSSListRid *list) {
1728 int rc;
3c304956
DW		 1729 Cmd cmd;
1730 Resp rsp;
1da177e4
LT		 1731
1732 if (first == 1) {
3c304956
DW		 1733 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1734 memset(&cmd, 0, sizeof(cmd));
1735 cmd.cmd=CMD_LISTBSS;
1736 if (down_interruptible(&ai->sem))
1737 return -ERESTARTSYS;
3b4c7d64 1738 ai->list_bss_task = current;
3c304956
DW		 1739 issuecommand(ai, &cmd, &rsp);
1740 up(&ai->sem);
1741 /* Let the command take effect */
3b4c7d64
SB		 1742 schedule_timeout_uninterruptible(3 * HZ);
1743 ai->list_bss_task = NULL;
3c304956
DW		 1744 }
1745 rc = PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1746 list, ai->bssListRidLen, 1);
1da177e4
LT		 1747
1748 list->len = le16_to_cpu(list->len);
1749 list->index = le16_to_cpu(list->index);
1750 list->radioType = le16_to_cpu(list->radioType);
1751 list->cap = le16_to_cpu(list->cap);
1752 list->beaconInterval = le16_to_cpu(list->beaconInterval);
1753 list->fh.dwell = le16_to_cpu(list->fh.dwell);
1754 list->dsChannel = le16_to_cpu(list->dsChannel);
1755 list->atimWindow = le16_to_cpu(list->atimWindow);
41480af2 1756 list->dBm = le16_to_cpu(list->dBm);
1da177e4
LT		 1757 return rc;
1758}
1759
1760static int readWepKeyRid(struct airo_info*ai, WepKeyRid *wkr, int temp, int lock) {
1761 int rc = PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1762 wkr, sizeof(*wkr), lock);
1763
1764 wkr->len = le16_to_cpu(wkr->len);
1765 wkr->kindex = le16_to_cpu(wkr->kindex);
1766 wkr->klen = le16_to_cpu(wkr->klen);
1767 return rc;
1768}
1769/* In the writeXXXRid routines we copy the rids so that we don't screwup
1770 * the originals when we endian them... */
1771static int writeWepKeyRid(struct airo_info*ai, WepKeyRid *pwkr, int perm, int lock) {
1772 int rc;
1773 WepKeyRid wkr = *pwkr;
1774
1775 wkr.len = cpu_to_le16(wkr.len);
1776 wkr.kindex = cpu_to_le16(wkr.kindex);
1777 wkr.klen = cpu_to_le16(wkr.klen);
1778 rc = PC4500_writerid(ai, RID_WEP_TEMP, &wkr, sizeof(wkr), lock);
934d8bf1 1779 if (rc!=SUCCESS) airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1da177e4
LT		 1780 if (perm) {
1781 rc = PC4500_writerid(ai, RID_WEP_PERM, &wkr, sizeof(wkr), lock);
1782 if (rc!=SUCCESS) {
934d8bf1 1783 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1da177e4
LT		 1784 }
1785 }
1786 return rc;
1787}
1788
1789static int readSsidRid(struct airo_info*ai, SsidRid *ssidr) {
1790 int i;
1791 int rc = PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1792
1793 ssidr->len = le16_to_cpu(ssidr->len);
1794 for(i = 0; i < 3; i++) {
1795 ssidr->ssids[i].len = le16_to_cpu(ssidr->ssids[i].len);
1796 }
1797 return rc;
1798}
1799static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock) {
1800 int rc;
1801 int i;
1802 SsidRid ssidr = *pssidr;
1803
1804 ssidr.len = cpu_to_le16(ssidr.len);
1805 for(i = 0; i < 3; i++) {
1806 ssidr.ssids[i].len = cpu_to_le16(ssidr.ssids[i].len);
1807 }
1808 rc = PC4500_writerid(ai, RID_SSID, &ssidr, sizeof(ssidr), lock);
1809 return rc;
1810}
1811static int readConfigRid(struct airo_info*ai, int lock) {
1812 int rc;
1813 u16 *s;
1814 ConfigRid cfg;
1815
1816 if (ai->config.len)
1817 return SUCCESS;
1818
1819 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1820 if (rc != SUCCESS)
1821 return rc;
1822
1823 for(s = &cfg.len; s <= &cfg.rtsThres; s++) *s = le16_to_cpu(*s);
1824
1825 for(s = &cfg.shortRetryLimit; s <= &cfg.radioType; s++)
1826 *s = le16_to_cpu(*s);
1827
1828 for(s = &cfg.txPower; s <= &cfg.radioSpecific; s++)
1829 *s = le16_to_cpu(*s);
1830
1831 for(s = &cfg.arlThreshold; s <= &cfg._reserved4[0]; s++)
1832 *s = cpu_to_le16(*s);
1833
1834 for(s = &cfg.autoWake; s <= &cfg.autoWake; s++)
1835 *s = cpu_to_le16(*s);
1836
1837 ai->config = cfg;
1838 return SUCCESS;
1839}
1840static inline void checkThrottle(struct airo_info *ai) {
1841 int i;
1842/* Old hardware had a limit on encryption speed */
1843 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1844 for(i=0; i<8; i++) {
1845 if (ai->config.rates[i] > maxencrypt) {
1846 ai->config.rates[i] = 0;
1847 }
1848 }
1849 }
1850}
1851static int writeConfigRid(struct airo_info*ai, int lock) {
1852 u16 *s;
1853 ConfigRid cfgr;
1854
1855 if (!test_bit (FLAG_COMMIT, &ai->flags))
1856 return SUCCESS;
1857
1858 clear_bit (FLAG_COMMIT, &ai->flags);
1859 clear_bit (FLAG_RESET, &ai->flags);
1860 checkThrottle(ai);
1861 cfgr = ai->config;
1862
1863 if ((cfgr.opmode & 0xFF) == MODE_STA_IBSS)
1864 set_bit(FLAG_ADHOC, &ai->flags);
1865 else
1866 clear_bit(FLAG_ADHOC, &ai->flags);
1867
1868 for(s = &cfgr.len; s <= &cfgr.rtsThres; s++) *s = cpu_to_le16(*s);
1869
1870 for(s = &cfgr.shortRetryLimit; s <= &cfgr.radioType; s++)
1871 *s = cpu_to_le16(*s);
1872
1873 for(s = &cfgr.txPower; s <= &cfgr.radioSpecific; s++)
1874 *s = cpu_to_le16(*s);
1875
1876 for(s = &cfgr.arlThreshold; s <= &cfgr._reserved4[0]; s++)
1877 *s = cpu_to_le16(*s);
1878
1879 for(s = &cfgr.autoWake; s <= &cfgr.autoWake; s++)
1880 *s = cpu_to_le16(*s);
1881
1882 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1883}
1884static int readStatusRid(struct airo_info*ai, StatusRid *statr, int lock) {
1885 int rc = PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1886 u16 *s;
1887
1888 statr->len = le16_to_cpu(statr->len);
1889 for(s = &statr->mode; s <= &statr->SSIDlen; s++) *s = le16_to_cpu(*s);
1890
1891 for(s = &statr->beaconPeriod; s <= &statr->shortPreamble; s++)
1892 *s = le16_to_cpu(*s);
1893 statr->load = le16_to_cpu(statr->load);
1894 statr->assocStatus = le16_to_cpu(statr->assocStatus);
1895 return rc;
1896}
1897static int readAPListRid(struct airo_info*ai, APListRid *aplr) {
1898 int rc = PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1899 aplr->len = le16_to_cpu(aplr->len);
1900 return rc;
1901}
1902static int writeAPListRid(struct airo_info*ai, APListRid *aplr, int lock) {
1903 int rc;
1904 aplr->len = cpu_to_le16(aplr->len);
1905 rc = PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1906 return rc;
1907}
1908static int readCapabilityRid(struct airo_info*ai, CapabilityRid *capr, int lock) {
1909 int rc = PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1910 u16 *s;
1911
1912 capr->len = le16_to_cpu(capr->len);
1913 capr->prodNum = le16_to_cpu(capr->prodNum);
1914 capr->radioType = le16_to_cpu(capr->radioType);
1915 capr->country = le16_to_cpu(capr->country);
1916 for(s = &capr->txPowerLevels[0]; s <= &capr->requiredHard; s++)
1917 *s = le16_to_cpu(*s);
1918 return rc;
1919}
1920static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) {
1921 int rc = PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1922 u32 *i;
1923
1924 sr->len = le16_to_cpu(sr->len);
1925 for(i = &sr->vals[0]; i <= &sr->vals[99]; i++) *i = le32_to_cpu(*i);
1926 return rc;
1927}
1928
1c2b7db8
MS		 1929static void try_auto_wep(struct airo_info *ai)
1930{
1931 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1932 ai->expires = RUN_AT(3*HZ);
1933 wake_up_interruptible(&ai->thr_wait);
1934 }
1935}
1936
1da177e4 1937static int airo_open(struct net_device *dev) {
1c2b7db8 1938 struct airo_info *ai = dev->priv;
1da177e4 1939 Resp rsp;
1c2b7db8 1940 int rc = 0;
1da177e4 1941
1c2b7db8 1942 if (test_bit(FLAG_FLASHING, &ai->flags))
1da177e4
LT		 1943 return -EIO;
1944
1945 /* Make sure the card is configured.
1946 * Wireless Extensions may postpone config changes until the card
1947 * is open (to pipeline changes and speed-up card setup). If
1948 * those changes are not yet commited, do it now - Jean II */
1c2b7db8
MS		 1949 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1950 disable_MAC(ai, 1);
1951 writeConfigRid(ai, 1);
1da177e4
LT		 1952 }
1953
1c2b7db8
MS		 1954 if (ai->wifidev != dev) {
1955 clear_bit(JOB_DIE, &ai->jobs);
1956 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1957 if (IS_ERR(ai->airo_thread_task))
1958 return (int)PTR_ERR(ai->airo_thread_task);
1959
1960 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1961 dev->name, dev);
1962 if (rc) {
1963 airo_print_err(dev->name,
1964 "register interrupt %d failed, rc %d",
1965 dev->irq, rc);
1966 set_bit(JOB_DIE, &ai->jobs);
1967 kthread_stop(ai->airo_thread_task);
1968 return rc;
1969 }
1970
1da177e4 1971 /* Power on the MAC controller (which may have been disabled) */
1c2b7db8
MS		 1972 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1973 enable_interrupts(ai);
1974
1975 try_auto_wep(ai);
1da177e4 1976 }
1c2b7db8 1977 enable_MAC(ai, &rsp, 1);
1da177e4
LT		 1978
1979 netif_start_queue(dev);
1980 return 0;
1981}
1982
1983static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1984 int npacks, pending;
1985 unsigned long flags;
1986 struct airo_info *ai = dev->priv;
1987
1988 if (!skb) {
934d8bf1 1989 airo_print_err(dev->name, "%s: skb == NULL!",__FUNCTION__);
1da177e4
LT		 1990 return 0;
1991 }
1992 npacks = skb_queue_len (&ai->txq);
1993
1994 if (npacks >= MAXTXQ - 1) {
1995 netif_stop_queue (dev);
1996 if (npacks > MAXTXQ) {
1997 ai->stats.tx_fifo_errors++;
1998 return 1;
1999 }
2000 skb_queue_tail (&ai->txq, skb);
2001 return 0;
2002 }
2003
2004 spin_lock_irqsave(&ai->aux_lock, flags);
2005 skb_queue_tail (&ai->txq, skb);
2006 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
2007 spin_unlock_irqrestore(&ai->aux_lock,flags);
2008 netif_wake_queue (dev);
2009
2010 if (pending == 0) {
2011 set_bit(FLAG_PENDING_XMIT, &ai->flags);
2012 mpi_send_packet (dev);
2013 }
2014 return 0;
2015}
2016
2017/*
2018 * @mpi_send_packet
2019 *
2020 * Attempt to transmit a packet. Can be called from interrupt
2021 * or transmit . return number of packets we tried to send
2022 */
2023
2024static int mpi_send_packet (struct net_device *dev)
2025{
2026 struct sk_buff *skb;
2027 unsigned char *buffer;
2028 s16 len, *payloadLen;
2029 struct airo_info *ai = dev->priv;
2030 u8 *sendbuf;
2031
2032 /* get a packet to send */
2033
2034 if ((skb = skb_dequeue(&ai->txq)) == 0) {
934d8bf1
DW		 2035 airo_print_err(dev->name,
2036 "%s: Dequeue'd zero in send_packet()",
1da177e4
LT		 2037 __FUNCTION__);
2038 return 0;
2039 }
2040
2041 /* check min length*/
2042 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2043 buffer = skb->data;
2044
2045 ai->txfids[0].tx_desc.offset = 0;
2046 ai->txfids[0].tx_desc.valid = 1;
2047 ai->txfids[0].tx_desc.eoc = 1;
2048 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
2049
2050/*
2051 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
2052 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
2053 * is immediatly after it. ------------------------------------------------
2054 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
2055 * ------------------------------------------------
2056 */
2057
2058 memcpy((char *)ai->txfids[0].virtual_host_addr,
2059 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2060
2061 payloadLen = (s16 *)(ai->txfids[0].virtual_host_addr +
2062 sizeof(wifictlhdr8023));
2063 sendbuf = ai->txfids[0].virtual_host_addr +
2064 sizeof(wifictlhdr8023) + 2 ;
2065
2066 /*
2067 * Firmware automaticly puts 802 header on so
2068 * we don't need to account for it in the length
2069 */
1da177e4
LT		 2070 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2071 (ntohs(((u16 *)buffer)[6]) != 0x888E)) {
2072 MICBuffer pMic;
2073
2074 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2075 return ERROR;
2076
2077 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2078 ai->txfids[0].tx_desc.len += sizeof(pMic);
2079 /* copy data into airo dma buffer */
2080 memcpy (sendbuf, buffer, sizeof(etherHead));
2081 buffer += sizeof(etherHead);
2082 sendbuf += sizeof(etherHead);
2083 memcpy (sendbuf, &pMic, sizeof(pMic));
2084 sendbuf += sizeof(pMic);
2085 memcpy (sendbuf, buffer, len - sizeof(etherHead));
a39d3e79 2086 } else {
1da177e4
LT		 2087 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2088
2089 dev->trans_start = jiffies;
2090
2091 /* copy data into airo dma buffer */
2092 memcpy(sendbuf, buffer, len);
2093 }
2094
2095 memcpy_toio(ai->txfids[0].card_ram_off,
2096 &ai->txfids[0].tx_desc, sizeof(TxFid));
2097
2098 OUT4500(ai, EVACK, 8);
2099
2100 dev_kfree_skb_any(skb);
2101 return 1;
2102}
2103
29b09fcc 2104static void get_tx_error(struct airo_info *ai, s32 fid)
1da177e4
LT		 2105{
2106 u16 status;
2107
2108 if (fid < 0)
2109 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2110 else {
2111 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2112 return;
2113 bap_read(ai, &status, 2, BAP0);
2114 }
2115 if (le16_to_cpu(status) & 2) /* Too many retries */
2116 ai->stats.tx_aborted_errors++;
2117 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2118 ai->stats.tx_heartbeat_errors++;
2119 if (le16_to_cpu(status) & 8) /* Aid fail */
2120 { }
2121 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2122 ai->stats.tx_carrier_errors++;
2123 if (le16_to_cpu(status) & 0x20) /* Association lost */
2124 { }
2125 /* We produce a TXDROP event only for retry or lifetime
2126 * exceeded, because that's the only status that really mean
2127 * that this particular node went away.
2128 * Other errors means that *we* screwed up. - Jean II */
2129 if ((le16_to_cpu(status) & 2) ||
2130 (le16_to_cpu(status) & 4)) {
2131 union iwreq_data wrqu;
2132 char junk[0x18];
2133
2134 /* Faster to skip over useless data than to do
2135 * another bap_setup(). We are at offset 0x6 and
2136 * need to go to 0x18 and read 6 bytes - Jean II */
2137 bap_read(ai, (u16 *) junk, 0x18, BAP0);
2138
2139 /* Copy 802.11 dest address.
2140 * We use the 802.11 header because the frame may
2141 * not be 802.3 or may be mangled...
2142 * In Ad-Hoc mode, it will be the node address.
2143 * In managed mode, it will be most likely the AP addr
2144 * User space will figure out how to convert it to
2145 * whatever it needs (IP address or else).
2146 * - Jean II */
2147 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2148 wrqu.addr.sa_family = ARPHRD_ETHER;
2149
2150 /* Send event to user space */
2151 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2152 }
2153}
2154
2155static void airo_end_xmit(struct net_device *dev) {
2156 u16 status;
2157 int i;
2158 struct airo_info *priv = dev->priv;
2159 struct sk_buff *skb = priv->xmit.skb;
2160 int fid = priv->xmit.fid;
2161 u32 *fids = priv->fids;
2162
3c304956 2163 clear_bit(JOB_XMIT, &priv->jobs);
1da177e4
LT		 2164 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2165 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2166 up(&priv->sem);
2167
2168 i = 0;
2169 if ( status == SUCCESS ) {
2170 dev->trans_start = jiffies;
2171 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2172 } else {
2173 priv->fids[fid] &= 0xffff;
2174 priv->stats.tx_window_errors++;
2175 }
2176 if (i < MAX_FIDS / 2)
2177 netif_wake_queue(dev);
2178 dev_kfree_skb(skb);
2179}
2180
2181static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2182 s16 len;
2183 int i, j;
2184 struct airo_info *priv = dev->priv;
2185 u32 *fids = priv->fids;
2186
2187 if ( skb == NULL ) {
934d8bf1 2188 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
1da177e4
LT		 2189 return 0;
2190 }
2191
2192 /* Find a vacant FID */
2193 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2194 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2195
2196 if ( j >= MAX_FIDS / 2 ) {
2197 netif_stop_queue(dev);
2198
2199 if (i == MAX_FIDS / 2) {
2200 priv->stats.tx_fifo_errors++;
2201 return 1;
2202 }
2203 }
2204 /* check min length*/
2205 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2206 /* Mark fid as used & save length for later */
2207 fids[i] |= (len << 16);
2208 priv->xmit.skb = skb;
2209 priv->xmit.fid = i;
2210 if (down_trylock(&priv->sem) != 0) {
2211 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2212 netif_stop_queue(dev);
3c304956 2213 set_bit(JOB_XMIT, &priv->jobs);
1da177e4
LT		 2214 wake_up_interruptible(&priv->thr_wait);
2215 } else
2216 airo_end_xmit(dev);
2217 return 0;
2218}
2219
2220static void airo_end_xmit11(struct net_device *dev) {
2221 u16 status;
2222 int i;
2223 struct airo_info *priv = dev->priv;
2224 struct sk_buff *skb = priv->xmit11.skb;
2225 int fid = priv->xmit11.fid;
2226 u32 *fids = priv->fids;
2227
3c304956 2228 clear_bit(JOB_XMIT11, &priv->jobs);
1da177e4
LT		 2229 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2230 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2231 up(&priv->sem);
2232
2233 i = MAX_FIDS / 2;
2234 if ( status == SUCCESS ) {
2235 dev->trans_start = jiffies;
2236 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2237 } else {
2238 priv->fids[fid] &= 0xffff;
2239 priv->stats.tx_window_errors++;
2240 }
2241 if (i < MAX_FIDS)
2242 netif_wake_queue(dev);
2243 dev_kfree_skb(skb);
2244}
2245
2246static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2247 s16 len;
2248 int i, j;
2249 struct airo_info *priv = dev->priv;
2250 u32 *fids = priv->fids;
2251
2252 if (test_bit(FLAG_MPI, &priv->flags)) {
2253 /* Not implemented yet for MPI350 */
2254 netif_stop_queue(dev);
2255 return -ENETDOWN;
2256 }
2257
2258 if ( skb == NULL ) {
934d8bf1 2259 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
1da177e4
LT		 2260 return 0;
2261 }
2262
2263 /* Find a vacant FID */
2264 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2265 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2266
2267 if ( j >= MAX_FIDS ) {
2268 netif_stop_queue(dev);
2269
2270 if (i == MAX_FIDS) {
2271 priv->stats.tx_fifo_errors++;
2272 return 1;
2273 }
2274 }
2275 /* check min length*/
2276 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2277 /* Mark fid as used & save length for later */
2278 fids[i] |= (len << 16);
2279 priv->xmit11.skb = skb;
2280 priv->xmit11.fid = i;
2281 if (down_trylock(&priv->sem) != 0) {
2282 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2283 netif_stop_queue(dev);
3c304956 2284 set_bit(JOB_XMIT11, &priv->jobs);
1da177e4
LT		 2285 wake_up_interruptible(&priv->thr_wait);
2286 } else
2287 airo_end_xmit11(dev);
2288 return 0;
2289}
2290
2291static void airo_read_stats(struct airo_info *ai) {
2292 StatsRid stats_rid;
2293 u32 *vals = stats_rid.vals;
2294
3c304956 2295 clear_bit(JOB_STATS, &ai->jobs);
ca078bae 2296 if (ai->power.event) {
1da177e4
LT		 2297 up(&ai->sem);
2298 return;
2299 }
2300 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2301 up(&ai->sem);
2302
2303 ai->stats.rx_packets = vals[43] + vals[44] + vals[45];
2304 ai->stats.tx_packets = vals[39] + vals[40] + vals[41];
2305 ai->stats.rx_bytes = vals[92];
2306 ai->stats.tx_bytes = vals[91];
2307 ai->stats.rx_errors = vals[0] + vals[2] + vals[3] + vals[4];
2308 ai->stats.tx_errors = vals[42] + ai->stats.tx_fifo_errors;
2309 ai->stats.multicast = vals[43];
2310 ai->stats.collisions = vals[89];
2311
2312 /* detailed rx_errors: */
2313 ai->stats.rx_length_errors = vals[3];
2314 ai->stats.rx_crc_errors = vals[4];
2315 ai->stats.rx_frame_errors = vals[2];
2316 ai->stats.rx_fifo_errors = vals[0];
2317}
2318
ff1d2767 2319static struct net_device_stats *airo_get_stats(struct net_device *dev)
1da177e4
LT		 2320{
2321 struct airo_info *local = dev->priv;
2322
3c304956 2323 if (!test_bit(JOB_STATS, &local->jobs)) {
1da177e4
LT		 2324 /* Get stats out of the card if available */
2325 if (down_trylock(&local->sem) != 0) {
3c304956 2326 set_bit(JOB_STATS, &local->jobs);
1da177e4
LT		 2327 wake_up_interruptible(&local->thr_wait);
2328 } else
2329 airo_read_stats(local);
2330 }
2331
2332 return &local->stats;
2333}
2334
2335static void airo_set_promisc(struct airo_info *ai) {
2336 Cmd cmd;
2337 Resp rsp;
2338
2339 memset(&cmd, 0, sizeof(cmd));
2340 cmd.cmd=CMD_SETMODE;
3c304956 2341 clear_bit(JOB_PROMISC, &ai->jobs);
1da177e4
LT		 2342 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2343 issuecommand(ai, &cmd, &rsp);
2344 up(&ai->sem);
2345}
2346
2347static void airo_set_multicast_list(struct net_device *dev) {
2348 struct airo_info *ai = dev->priv;
2349
2350 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2351 change_bit(FLAG_PROMISC, &ai->flags);
2352 if (down_trylock(&ai->sem) != 0) {
3c304956 2353 set_bit(JOB_PROMISC, &ai->jobs);
1da177e4
LT		 2354 wake_up_interruptible(&ai->thr_wait);
2355 } else
2356 airo_set_promisc(ai);
2357 }
2358
2359 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2360 /* Turn on multicast. (Should be already setup...) */
2361 }
2362}
2363
2364static int airo_set_mac_address(struct net_device *dev, void *p)
2365{
2366 struct airo_info *ai = dev->priv;
2367 struct sockaddr *addr = p;
2368 Resp rsp;
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);
2375 enable_MAC(ai, &rsp, 1);
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 */
2585static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci,
2586 const char *name)
2587{
2588 unsigned long mem_start, mem_len, aux_start, aux_len;
2589 int rc = -1;
2590 int i;
2759c8d5
JG		 2591 dma_addr_t busaddroff;
2592 unsigned char *vpackoff;
1da177e4
LT		 2593 unsigned char __iomem *pciaddroff;
2594
2595 mem_start = pci_resource_start(pci, 1);
2596 mem_len = pci_resource_len(pci, 1);
2597 aux_start = pci_resource_start(pci, 2);
2598 aux_len = AUXMEMSIZE;
2599
2600 if (!request_mem_region(mem_start, mem_len, name)) {
934d8bf1 2601 airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s",
1da177e4
LT		 2602 (int)mem_start, (int)mem_len, name);
2603 goto out;
2604 }
2605 if (!request_mem_region(aux_start, aux_len, name)) {
934d8bf1 2606 airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s",
1da177e4
LT		 2607 (int)aux_start, (int)aux_len, name);
2608 goto free_region1;
2609 }
2610
2611 ai->pcimem = ioremap(mem_start, mem_len);
2612 if (!ai->pcimem) {
934d8bf1 2613 airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s",
1da177e4
LT		 2614 (int)mem_start, (int)mem_len, name);
2615 goto free_region2;
2616 }
2617 ai->pciaux = ioremap(aux_start, aux_len);
2618 if (!ai->pciaux) {
934d8bf1 2619 airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s",
1da177e4
LT		 2620 (int)aux_start, (int)aux_len, name);
2621 goto free_memmap;
2622 }
2623
2624 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2625 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2626 if (!ai->shared) {
934d8bf1 2627 airo_print_err(ai->dev->name, "Couldn't alloc_consistent %d",
1da177e4
LT		 2628 PCI_SHARED_LEN);
2629 goto free_auxmap;
2630 }
2631
2632 /*
2633 * Setup descriptor RX, TX, CONFIG
2634 */
2759c8d5 2635 busaddroff = ai->shared_dma;
1da177e4
LT		 2636 pciaddroff = ai->pciaux + AUX_OFFSET;
2637 vpackoff = ai->shared;
2638
2639 /* RX descriptor setup */
2640 for(i = 0; i < MPI_MAX_FIDS; i++) {
2641 ai->rxfids[i].pending = 0;
2642 ai->rxfids[i].card_ram_off = pciaddroff;
2643 ai->rxfids[i].virtual_host_addr = vpackoff;
2759c8d5 2644 ai->rxfids[i].rx_desc.host_addr = busaddroff;
1da177e4
LT		 2645 ai->rxfids[i].rx_desc.valid = 1;
2646 ai->rxfids[i].rx_desc.len = PKTSIZE;
2647 ai->rxfids[i].rx_desc.rdy = 0;
2648
2649 pciaddroff += sizeof(RxFid);
2650 busaddroff += PKTSIZE;
2651 vpackoff += PKTSIZE;
2652 }
2653
2654 /* TX descriptor setup */
2655 for(i = 0; i < MPI_MAX_FIDS; i++) {
2656 ai->txfids[i].card_ram_off = pciaddroff;
2657 ai->txfids[i].virtual_host_addr = vpackoff;
2658 ai->txfids[i].tx_desc.valid = 1;
2759c8d5 2659 ai->txfids[i].tx_desc.host_addr = busaddroff;
1da177e4
LT		 2660 memcpy(ai->txfids[i].virtual_host_addr,
2661 &wifictlhdr8023, sizeof(wifictlhdr8023));
2662
2663 pciaddroff += sizeof(TxFid);
2664 busaddroff += PKTSIZE;
2665 vpackoff += PKTSIZE;
2666 }
2667 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2668
2669 /* Rid descriptor setup */
2670 ai->config_desc.card_ram_off = pciaddroff;
2671 ai->config_desc.virtual_host_addr = vpackoff;
2759c8d5
JG		 2672 ai->config_desc.rid_desc.host_addr = busaddroff;
2673 ai->ridbus = busaddroff;
1da177e4
LT		 2674 ai->config_desc.rid_desc.rid = 0;
2675 ai->config_desc.rid_desc.len = RIDSIZE;
2676 ai->config_desc.rid_desc.valid = 1;
2677 pciaddroff += sizeof(Rid);
2678 busaddroff += RIDSIZE;
2679 vpackoff += RIDSIZE;
2680
2681 /* Tell card about descriptors */
2682 if (mpi_init_descriptors (ai) != SUCCESS)
2683 goto free_shared;
2684
2685 return 0;
2686 free_shared:
2687 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2688 free_auxmap:
2689 iounmap(ai->pciaux);
2690 free_memmap:
2691 iounmap(ai->pcimem);
2692 free_region2:
2693 release_mem_region(aux_start, aux_len);
2694 free_region1:
2695 release_mem_region(mem_start, mem_len);
2696 out:
2697 return rc;
2698}
2699
2700static void wifi_setup(struct net_device *dev)
2701{
2702 dev->hard_header = NULL;
2703 dev->rebuild_header = NULL;
2704 dev->hard_header_cache = NULL;
2705 dev->header_cache_update= NULL;
2706
2707 dev->hard_header_parse = wll_header_parse;
2708 dev->hard_start_xmit = &airo_start_xmit11;
2709 dev->get_stats = &airo_get_stats;
2710 dev->set_mac_address = &airo_set_mac_address;
2711 dev->do_ioctl = &airo_ioctl;
1da177e4 2712 dev->wireless_handlers = &airo_handler_def;
1da177e4
LT		 2713 dev->change_mtu = &airo_change_mtu;
2714 dev->open = &airo_open;
2715 dev->stop = &airo_close;
2716
2717 dev->type = ARPHRD_IEEE80211;
2718 dev->hard_header_len = ETH_HLEN;
15db2763 2719 dev->mtu = AIRO_DEF_MTU;
1da177e4
LT		 2720 dev->addr_len = ETH_ALEN;
2721 dev->tx_queue_len = 100;
2722
2723 memset(dev->broadcast,0xFF, ETH_ALEN);
2724
2725 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2726}
2727
2728static struct net_device *init_wifidev(struct airo_info *ai,
2729 struct net_device *ethdev)
2730{
2731 int err;
2732 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2733 if (!dev)
2734 return NULL;
2735 dev->priv = ethdev->priv;
2736 dev->irq = ethdev->irq;
2737 dev->base_addr = ethdev->base_addr;
1da177e4 2738 dev->wireless_data = ethdev->wireless_data;
1da177e4
LT		 2739 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2740 err = register_netdev(dev);
2741 if (err<0) {
2742 free_netdev(dev);
2743 return NULL;
2744 }
2745 return dev;
2746}
2747
ff1d2767 2748static int reset_card( struct net_device *dev , int lock) {
1da177e4
LT		 2749 struct airo_info *ai = dev->priv;
2750
2751 if (lock && down_interruptible(&ai->sem))
2752 return -1;
2753 waitbusy (ai);
2754 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2755 msleep(200);
2756 waitbusy (ai);
2757 msleep(200);
2758 if (lock)
2759 up(&ai->sem);
2760 return 0;
2761}
2762
3c304956 2763#define AIRO_MAX_NETWORK_COUNT 64
9e75af30
DW		 2764static int airo_networks_allocate(struct airo_info *ai)
2765{
2766 if (ai->networks)
2767 return 0;
2768
2769 ai->networks =
3c304956 2770 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
9e75af30
DW		 2771 GFP_KERNEL);
2772 if (!ai->networks) {
2773 airo_print_warn(ai->dev->name, "Out of memory allocating beacons");
2774 return -ENOMEM;
2775 }
2776
2777 return 0;
2778}
2779
2780static void airo_networks_free(struct airo_info *ai)
2781{
9e75af30
DW		 2782 kfree(ai->networks);
2783 ai->networks = NULL;
2784}
2785
2786static void airo_networks_initialize(struct airo_info *ai)
2787{
2788 int i;
2789
2790 INIT_LIST_HEAD(&ai->network_free_list);
2791 INIT_LIST_HEAD(&ai->network_list);
3c304956 2792 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
9e75af30
DW		 2793 list_add_tail(&ai->networks[i].list,
2794 &ai->network_free_list);
2795}
2796
3c304956
DW		 2797static int airo_test_wpa_capable(struct airo_info *ai)
2798{
2799 int status;
2800 CapabilityRid cap_rid;
2801 const char *name = ai->dev->name;
2802
2803 status = readCapabilityRid(ai, &cap_rid, 1);
2804 if (status != SUCCESS) return 0;
2805
2806 /* Only firmware versions 5.30.17 or better can do WPA */
2807 if ((cap_rid.softVer > 0x530)
0c6157a3 2808 || ((cap_rid.softVer == 0x530) && (cap_rid.softSubVer >= 17))) {
3c304956
DW		 2809 airo_print_info(name, "WPA is supported.");
2810 return 1;
2811 }
2812
2813 /* No WPA support */
2814 airo_print_info(name, "WPA unsupported (only firmware versions 5.30.17"
2815 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2816 return 0;
2817}
2818
ff1d2767
JM		 2819static struct net_device *_init_airo_card( unsigned short irq, int port,
2820 int is_pcmcia, struct pci_dev *pci,
2821 struct device *dmdev )
1da177e4
LT		 2822{
2823 struct net_device *dev;
2824 struct airo_info *ai;
2825 int i, rc;
2826
2827 /* Create the network device object. */
2828 dev = alloc_etherdev(sizeof(*ai));
2829 if (!dev) {
934d8bf1 2830 airo_print_err("", "Couldn't alloc_etherdev");
1da177e4
LT		 2831 return NULL;
2832 }
2833 if (dev_alloc_name(dev, dev->name) < 0) {
934d8bf1 2834 airo_print_err("", "Couldn't get name!");
1da177e4
LT		 2835 goto err_out_free;
2836 }
2837
2838 ai = dev->priv;
2839 ai->wifidev = NULL;
2840 ai->flags = 0;
3c304956 2841 ai->jobs = 0;
934d8bf1 2842 ai->dev = dev;
1da177e4 2843 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
934d8bf1 2844 airo_print_dbg(dev->name, "Found an MPI350 card");
1da177e4
LT		 2845 set_bit(FLAG_MPI, &ai->flags);
2846 }
1da177e4
LT		 2847 spin_lock_init(&ai->aux_lock);
2848 sema_init(&ai->sem, 1);
2849 ai->config.len = 0;
2850 ai->pci = pci;
2851 init_waitqueue_head (&ai->thr_wait);
1da177e4 2852 ai->tfm = NULL;
af5b5c9a 2853 add_airo_dev(ai);
1da177e4 2854
9e75af30 2855 if (airo_networks_allocate (ai))
1c2b7db8 2856 goto err_out_free;
9e75af30
DW		 2857 airo_networks_initialize (ai);
2858
1da177e4
LT		 2859 /* The Airo-specific entries in the device structure. */
2860 if (test_bit(FLAG_MPI,&ai->flags)) {
2861 skb_queue_head_init (&ai->txq);
2862 dev->hard_start_xmit = &mpi_start_xmit;
2863 } else
2864 dev->hard_start_xmit = &airo_start_xmit;
2865 dev->get_stats = &airo_get_stats;
2866 dev->set_multicast_list = &airo_set_multicast_list;
2867 dev->set_mac_address = &airo_set_mac_address;
2868 dev->do_ioctl = &airo_ioctl;
1da177e4
LT		 2869 dev->wireless_handlers = &airo_handler_def;
2870 ai->wireless_data.spy_data = &ai->spy_data;
2871 dev->wireless_data = &ai->wireless_data;
1da177e4
LT		 2872 dev->change_mtu = &airo_change_mtu;
2873 dev->open = &airo_open;
2874 dev->stop = &airo_close;
2875 dev->irq = irq;
2876 dev->base_addr = port;
2877
2878 SET_NETDEV_DEV(dev, dmdev);
1c2b7db8 2879 SET_MODULE_OWNER(dev);
1da177e4 2880
1d97f384
MC		 2881 reset_card (dev, 1);
2882 msleep(400);
1da177e4 2883
1da177e4
LT		 2884 if (!is_pcmcia) {
2885 if (!request_region( dev->base_addr, 64, dev->name )) {
2886 rc = -EBUSY;
934d8bf1 2887 airo_print_err(dev->name, "Couldn't request region");
1c2b7db8 2888 goto err_out_nets;
1da177e4
LT		 2889 }
2890 }
2891
2892 if (test_bit(FLAG_MPI,&ai->flags)) {
2893 if (mpi_map_card(ai, pci, dev->name)) {
934d8bf1 2894 airo_print_err(dev->name, "Could not map memory");
1da177e4
LT		 2895 goto err_out_res;
2896 }
2897 }
2898
2899 if (probe) {
2900 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
934d8bf1 2901 airo_print_err(dev->name, "MAC could not be enabled" );
1da177e4
LT		 2902 rc = -EIO;
2903 goto err_out_map;
2904 }
2905 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2906 ai->bap_read = fast_bap_read;
2907 set_bit(FLAG_FLASHING, &ai->flags);
2908 }
2909
3c304956
DW		 2910 /* Test for WPA support */
2911 if (airo_test_wpa_capable(ai)) {
2912 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2913 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2914 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2915 ai->bssListRidLen = sizeof(BSSListRid);
2916 } else {
2917 ai->bssListFirst = RID_BSSLISTFIRST;
2918 ai->bssListNext = RID_BSSLISTNEXT;
2919 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2920 }
2921
1da177e4
LT		 2922 rc = register_netdev(dev);
2923 if (rc) {
934d8bf1 2924 airo_print_err(dev->name, "Couldn't register_netdev");
1da177e4
LT		 2925 goto err_out_map;
2926 }
2927 ai->wifidev = init_wifidev(ai, dev);
431aca5a
FM		 2928 if (!ai->wifidev)
2929 goto err_out_reg;
1da177e4
LT		 2930
2931 set_bit(FLAG_REGISTERED,&ai->flags);
934d8bf1 2932 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
1da177e4
LT		 2933 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2934 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5] );
2935
2936 /* Allocate the transmit buffers */
2937 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2938 for( i = 0; i < MAX_FIDS; i++ )
15db2763 2939 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
1da177e4 2940
431aca5a
FM		 2941 if (setup_proc_entry(dev, dev->priv) < 0)
2942 goto err_out_wifi;
2943
1da177e4
LT		 2944 return dev;
2945
431aca5a
FM		 2946err_out_wifi:
2947 unregister_netdev(ai->wifidev);
2948 free_netdev(ai->wifidev);
2949err_out_reg:
2950 unregister_netdev(dev);
1da177e4
LT		 2951err_out_map:
2952 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2953 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2954 iounmap(ai->pciaux);
2955 iounmap(ai->pcimem);
2956 mpi_unmap_card(ai->pci);
2957 }
2958err_out_res:
2959 if (!is_pcmcia)
2960 release_region( dev->base_addr, 64 );
4d881901
MS		 2961err_out_nets:
2962 airo_networks_free(ai);
af5b5c9a 2963 del_airo_dev(ai);
1da177e4
LT		 2964err_out_free:
2965 free_netdev(dev);
2966 return NULL;
2967}
2968
2969struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2970 struct device *dmdev)
2971{
2972 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2973}
2974
2975EXPORT_SYMBOL(init_airo_card);
2976
2977static int waitbusy (struct airo_info *ai) {
2978 int delay = 0;
2979 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2980 udelay (10);
2981 if ((++delay % 20) == 0)
2982 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2983 }
2984 return delay < 10000;
2985}
2986
2987int reset_airo_card( struct net_device *dev )
2988{
2989 int i;
2990 struct airo_info *ai = dev->priv;
2991
2992 if (reset_card (dev, 1))
2993 return -1;
2994
2995 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
934d8bf1 2996 airo_print_err(dev->name, "MAC could not be enabled");
1da177e4
LT		 2997 return -1;
2998 }
934d8bf1 2999 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
1da177e4
LT		 3000 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
3001 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
3002 /* Allocate the transmit buffers if needed */
3003 if (!test_bit(FLAG_MPI,&ai->flags))
3004 for( i = 0; i < MAX_FIDS; i++ )
15db2763 3005 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
1da177e4
LT		 3006
3007 enable_interrupts( ai );
3008 netif_wake_queue(dev);
3009 return 0;
3010}
3011
3012EXPORT_SYMBOL(reset_airo_card);
3013
3014static void airo_send_event(struct net_device *dev) {
3015 struct airo_info *ai = dev->priv;
3016 union iwreq_data wrqu;
3017 StatusRid status_rid;
3018
3c304956 3019 clear_bit(JOB_EVENT, &ai->jobs);
1da177e4
LT		 3020 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
3021 up(&ai->sem);
3022 wrqu.data.length = 0;
3023 wrqu.data.flags = 0;
3024 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
3025 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3026
3027 /* Send event to user space */
3028 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
3029}
3030
9e75af30
DW		 3031static void airo_process_scan_results (struct airo_info *ai) {
3032 union iwreq_data wrqu;
3c304956 3033 BSSListRid bss;
9e75af30
DW		 3034 int rc;
3035 BSSListElement * loop_net;
3036 BSSListElement * tmp_net;
3037
3038 /* Blow away current list of scan results */
3039 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3040 list_move_tail (&loop_net->list, &ai->network_free_list);
3041 /* Don't blow away ->list, just BSS data */
3042 memset (loop_net, 0, sizeof (loop_net->bss));
3043 }
3044
3045 /* Try to read the first entry of the scan result */
3c304956
DW		 3046 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3047 if((rc) || (bss.index == 0xffff)) {
9e75af30
DW		 3048 /* No scan results */
3049 goto out;
3050 }
3051
3052 /* Read and parse all entries */
3053 tmp_net = NULL;
3c304956 3054 while((!rc) && (bss.index != 0xffff)) {
9e75af30
DW		 3055 /* Grab a network off the free list */
3056 if (!list_empty(&ai->network_free_list)) {
3057 tmp_net = list_entry(ai->network_free_list.next,
3058 BSSListElement, list);
3059 list_del(ai->network_free_list.next);
3060 }
3061
3062 if (tmp_net != NULL) {
3c304956 3063 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
9e75af30
DW		 3064 list_add_tail(&tmp_net->list, &ai->network_list);
3065 tmp_net = NULL;
3066 }
3067
3068 /* Read next entry */
3c304956
DW		 3069 rc = PC4500_readrid(ai, ai->bssListNext,
3070 &bss, ai->bssListRidLen, 0);
9e75af30
DW		 3071 }
3072
3073out:
3074 ai->scan_timeout = 0;
3c304956 3075 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
9e75af30
DW		 3076 up(&ai->sem);
3077
3078 /* Send an empty event to user space.
3079 * We don't send the received data on
3080 * the event because it would require
3081 * us to do complex transcoding, and
3082 * we want to minimise the work done in
3083 * the irq handler. Use a request to
3084 * extract the data - Jean II */
3085 wrqu.data.length = 0;
3086 wrqu.data.flags = 0;
3087 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3088}
3089
1da177e4
LT		 3090static int airo_thread(void *data) {
3091 struct net_device *dev = data;
3092 struct airo_info *ai = dev->priv;
3093 int locked;
3094
1da177e4 3095 while(1) {
1da177e4 3096 /* make swsusp happy with our thread */
3e1d1d28 3097 try_to_freeze();
1da177e4 3098
3c304956 3099 if (test_bit(JOB_DIE, &ai->jobs))
1da177e4
LT		 3100 break;
3101
3c304956 3102 if (ai->jobs) {
1da177e4
LT		 3103 locked = down_interruptible(&ai->sem);
3104 } else {
3105 wait_queue_t wait;
3106
3107 init_waitqueue_entry(&wait, current);
3108 add_wait_queue(&ai->thr_wait, &wait);
3109 for (;;) {
3110 set_current_state(TASK_INTERRUPTIBLE);
3c304956 3111 if (ai->jobs)
1da177e4 3112 break;
9e75af30
DW		 3113 if (ai->expires || ai->scan_timeout) {
3114 if (ai->scan_timeout &&
3115 time_after_eq(jiffies,ai->scan_timeout)){
3c304956 3116 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
9e75af30
DW		 3117 break;
3118 } else if (ai->expires &&
3119 time_after_eq(jiffies,ai->expires)){
3c304956 3120 set_bit(JOB_AUTOWEP, &ai->jobs);
1da177e4
LT		 3121 break;
3122 }
5bb85f18
DK		 3123 if (!kthread_should_stop() &&
3124 !freezing(current)) {
9e75af30
DW		 3125 unsigned long wake_at;
3126 if (!ai->expires || !ai->scan_timeout) {
3127 wake_at = max(ai->expires,
3128 ai->scan_timeout);
3129 } else {
3130 wake_at = min(ai->expires,
3131 ai->scan_timeout);
3132 }
3133 schedule_timeout(wake_at - jiffies);
1da177e4
LT		 3134 continue;
3135 }
5bb85f18
DK		 3136 } else if (!kthread_should_stop() &&
3137 !freezing(current)) {
1da177e4
LT		 3138 schedule();
3139 continue;
3140 }
3141 break;
3142 }
3143 current->state = TASK_RUNNING;
3144 remove_wait_queue(&ai->thr_wait, &wait);
3145 locked = 1;
3146 }
3147
3148 if (locked)
3149 continue;
3150
3c304956 3151 if (test_bit(JOB_DIE, &ai->jobs)) {
1da177e4
LT		 3152 up(&ai->sem);
3153 break;
3154 }
3155
ca078bae 3156 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
1da177e4
LT		 3157 up(&ai->sem);
3158 continue;
3159 }
3160
3c304956 3161 if (test_bit(JOB_XMIT, &ai->jobs))
1da177e4 3162 airo_end_xmit(dev);
3c304956 3163 else if (test_bit(JOB_XMIT11, &ai->jobs))
1da177e4 3164 airo_end_xmit11(dev);
3c304956 3165 else if (test_bit(JOB_STATS, &ai->jobs))
1da177e4 3166 airo_read_stats(ai);
3c304956 3167 else if (test_bit(JOB_WSTATS, &ai->jobs))
1da177e4 3168 airo_read_wireless_stats(ai);
3c304956 3169 else if (test_bit(JOB_PROMISC, &ai->jobs))
1da177e4 3170 airo_set_promisc(ai);
3c304956 3171 else if (test_bit(JOB_MIC, &ai->jobs))
1da177e4 3172 micinit(ai);
3c304956 3173 else if (test_bit(JOB_EVENT, &ai->jobs))
1da177e4 3174 airo_send_event(dev);
3c304956 3175 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
1da177e4 3176 timer_func(dev);
3c304956 3177 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
9e75af30
DW		 3178 airo_process_scan_results(ai);
3179 else /* Shouldn't get here, but we make sure to unlock */
3180 up(&ai->sem);
1da177e4 3181 }
3b4c7d64
SB		 3182
3183 return 0;
1da177e4
LT		 3184}
3185
7d12e780 3186static irqreturn_t airo_interrupt ( int irq, void* dev_id) {
1da177e4
LT		 3187 struct net_device *dev = (struct net_device *)dev_id;
3188 u16 status;
3189 u16 fid;
3190 struct airo_info *apriv = dev->priv;
3191 u16 savedInterrupts = 0;
3192 int handled = 0;
3193
3194 if (!netif_device_present(dev))
3195 return IRQ_NONE;
3196
3197 for (;;) {
3198 status = IN4500( apriv, EVSTAT );
3199 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3200
3201 handled = 1;
3202
3203 if ( status & EV_AWAKE ) {
3204 OUT4500( apriv, EVACK, EV_AWAKE );
3205 OUT4500( apriv, EVACK, EV_AWAKE );
3206 }
3207
3208 if (!savedInterrupts) {
3209 savedInterrupts = IN4500( apriv, EVINTEN );
3210 OUT4500( apriv, EVINTEN, 0 );
3211 }
3212
3213 if ( status & EV_MIC ) {
3214 OUT4500( apriv, EVACK, EV_MIC );
1da177e4 3215 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3c304956 3216 set_bit(JOB_MIC, &apriv->jobs);
1da177e4
LT		 3217 wake_up_interruptible(&apriv->thr_wait);
3218 }
1da177e4
LT		 3219 }
3220 if ( status & EV_LINK ) {
3221 union iwreq_data wrqu;
6fcdf565 3222 int scan_forceloss = 0;
1da177e4
LT		 3223 /* The link status has changed, if you want to put a
3224 monitor hook in, do it here. (Remember that
3225 interrupts are still disabled!)
3226 */
3227 u16 newStatus = IN4500(apriv, LINKSTAT);
3228 OUT4500( apriv, EVACK, EV_LINK);
3229 /* Here is what newStatus means: */
3230#define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3231#define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3232#define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3233#define FORCELOSS 0x8003 /* Loss of sync - host request */
3234#define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3235#define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3236#define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3237#define ASSFAIL 0x8400 /* Association failure (low byte is reason
3238 code) */
3239#define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3240 code) */
6fcdf565
DW		 3241#define ASSOCIATED 0x0400 /* Associated */
3242#define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
1da177e4
LT		 3243#define RC_RESERVED 0 /* Reserved return code */
3244#define RC_NOREASON 1 /* Unspecified reason */
3245#define RC_AUTHINV 2 /* Previous authentication invalid */
3246#define RC_DEAUTH 3 /* Deauthenticated because sending station is
3247 leaving */
3248#define RC_NOACT 4 /* Disassociated due to inactivity */
3249#define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3250 all currently associated stations */
3251#define RC_BADCLASS2 6 /* Class 2 frame received from
3252 non-Authenticated station */
3253#define RC_BADCLASS3 7 /* Class 3 frame received from
3254 non-Associated station */
3255#define RC_STATLEAVE 8 /* Disassociated because sending station is
3256 leaving BSS */
3257#define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3258 Authenticated with the responding station */
6fcdf565
DW		 3259 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3260 scan_forceloss = 1;
3261 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
1da177e4
LT		 3262 if (auto_wep)
3263 apriv->expires = 0;
3b4c7d64
SB		 3264 if (apriv->list_bss_task)
3265 wake_up_process(apriv->list_bss_task);
1da177e4
LT		 3266 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3267 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
6fcdf565 3268
1da177e4 3269 if (down_trylock(&apriv->sem) != 0) {
3c304956 3270 set_bit(JOB_EVENT, &apriv->jobs);
1da177e4
LT		 3271 wake_up_interruptible(&apriv->thr_wait);
3272 } else
3273 airo_send_event(dev);
6fcdf565
DW		 3274 } else if (!scan_forceloss) {
3275 if (auto_wep && !apriv->expires) {
3276 apriv->expires = RUN_AT(3*HZ);
3277 wake_up_interruptible(&apriv->thr_wait);
3278 }
1da177e4
LT		 3279
3280 /* Send event to user space */
6fcdf565
DW		 3281 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3282 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
1da177e4
LT		 3283 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3284 }
3285 }
3286
3287 /* Check to see if there is something to receive */
3288 if ( status & EV_RX ) {
3289 struct sk_buff *skb = NULL;
3290 u16 fc, len, hdrlen = 0;
3291#pragma pack(1)
3292 struct {
3293 u16 status, len;
3294 u8 rssi[2];
3295 u8 rate;
3296 u8 freq;
3297 u16 tmp[4];
3298 } hdr;
3299#pragma pack()
3300 u16 gap;
3301 u16 tmpbuf[4];
3302 u16 *buffer;
3303
3304 if (test_bit(FLAG_MPI,&apriv->flags)) {
3305 if (test_bit(FLAG_802_11, &apriv->flags))
3306 mpi_receive_802_11(apriv);
3307 else
3308 mpi_receive_802_3(apriv);
3309 OUT4500(apriv, EVACK, EV_RX);
3310 goto exitrx;
3311 }
3312
3313 fid = IN4500( apriv, RXFID );
3314
3315 /* Get the packet length */
3316 if (test_bit(FLAG_802_11, &apriv->flags)) {
3317 bap_setup (apriv, fid, 4, BAP0);
3318 bap_read (apriv, (u16*)&hdr, sizeof(hdr), BAP0);
3319 /* Bad CRC. Ignore packet */
3320 if (le16_to_cpu(hdr.status) & 2)
3321 hdr.len = 0;
3322 if (apriv->wifidev == NULL)
3323 hdr.len = 0;
3324 } else {
3325 bap_setup (apriv, fid, 0x36, BAP0);
3326 bap_read (apriv, (u16*)&hdr.len, 2, BAP0);
3327 }
3328 len = le16_to_cpu(hdr.len);
3329
15db2763 3330 if (len > AIRO_DEF_MTU) {
934d8bf1 3331 airo_print_err(apriv->dev->name, "Bad size %d", len);
1da177e4
LT		 3332 goto badrx;
3333 }
3334 if (len == 0)
3335 goto badrx;
3336
3337 if (test_bit(FLAG_802_11, &apriv->flags)) {
3338 bap_read (apriv, (u16*)&fc, sizeof(fc), BAP0);
3339 fc = le16_to_cpu(fc);
3340 switch (fc & 0xc) {
3341 case 4:
3342 if ((fc & 0xe0) == 0xc0)
3343 hdrlen = 10;
3344 else
3345 hdrlen = 16;
3346 break;
3347 case 8:
3348 if ((fc&0x300)==0x300){
3349 hdrlen = 30;
3350 break;
3351 }
3352 default:
3353 hdrlen = 24;
3354 }
3355 } else
3356 hdrlen = ETH_ALEN * 2;
3357
3358 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3359 if ( !skb ) {
3360 apriv->stats.rx_dropped++;
3361 goto badrx;
3362 }
3363 skb_reserve(skb, 2); /* This way the IP header is aligned */
3364 buffer = (u16*)skb_put (skb, len + hdrlen);
3365 if (test_bit(FLAG_802_11, &apriv->flags)) {
3366 buffer[0] = fc;
3367 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3368 if (hdrlen == 24)
3369 bap_read (apriv, tmpbuf, 6, BAP0);
3370
3371 bap_read (apriv, &gap, sizeof(gap), BAP0);
3372 gap = le16_to_cpu(gap);
3373 if (gap) {
934d8bf1 3374 if (gap <= 8) {
1da177e4 3375 bap_read (apriv, tmpbuf, gap, BAP0);
934d8bf1
DW		 3376 } else {
3377 airo_print_err(apriv->dev->name, "gaplen too "
3378 "big. Problems will follow...");
3379 }
1da177e4
LT		 3380 }
3381 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3382 } else {
1da177e4 3383 MICBuffer micbuf;
1da177e4 3384 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
1da177e4
LT		 3385 if (apriv->micstats.enabled) {
3386 bap_read (apriv,(u16*)&micbuf,sizeof(micbuf),BAP0);
3387 if (ntohs(micbuf.typelen) > 0x05DC)
3388 bap_setup (apriv, fid, 0x44, BAP0);
3389 else {
3390 if (len <= sizeof(micbuf))
3391 goto badmic;
3392
3393 len -= sizeof(micbuf);
3394 skb_trim (skb, len + hdrlen);
3395 }
3396 }
1da177e4 3397 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
1da177e4
LT		 3398 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3399badmic:
3400 dev_kfree_skb_irq (skb);
1da177e4
LT		 3401badrx:
3402 OUT4500( apriv, EVACK, EV_RX);
3403 goto exitrx;
3404 }
3405 }
3406#ifdef WIRELESS_SPY
3407 if (apriv->spy_data.spy_number > 0) {
3408 char *sa;
3409 struct iw_quality wstats;
3410 /* Prepare spy data : addr + qual */
3411 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3412 sa = (char*)buffer + 6;
3413 bap_setup (apriv, fid, 8, BAP0);
3414 bap_read (apriv, (u16*)hdr.rssi, 2, BAP0);
3415 } else
3416 sa = (char*)buffer + 10;
3417 wstats.qual = hdr.rssi[0];
3418 if (apriv->rssi)
3419 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3420 else
3421 wstats.level = (hdr.rssi[1] + 321) / 2;
41480af2
DW		 3422 wstats.noise = apriv->wstats.qual.noise;
3423 wstats.updated = IW_QUAL_LEVEL_UPDATED
3424 | IW_QUAL_QUAL_UPDATED
ce6623c3 3425 | IW_QUAL_DBM;
1da177e4
LT		 3426 /* Update spy records */
3427 wireless_spy_update(dev, sa, &wstats);
3428 }
3429#endif /* WIRELESS_SPY */
3430 OUT4500( apriv, EVACK, EV_RX);
3431
3432 if (test_bit(FLAG_802_11, &apriv->flags)) {
459a98ed 3433 skb_reset_mac_header(skb);
1da177e4
LT		 3434 skb->pkt_type = PACKET_OTHERHOST;
3435 skb->dev = apriv->wifidev;
3436 skb->protocol = htons(ETH_P_802_2);
4c13eb66 3437 } else
1da177e4 3438 skb->protocol = eth_type_trans(skb,dev);
1da177e4
LT		 3439 skb->dev->last_rx = jiffies;
3440 skb->ip_summed = CHECKSUM_NONE;
3441
3442 netif_rx( skb );
3443 }
3444exitrx:
3445
3446 /* Check to see if a packet has been transmitted */
3447 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3448 int i;
3449 int len = 0;
3450 int index = -1;
3451
3452 if (test_bit(FLAG_MPI,&apriv->flags)) {
3453 unsigned long flags;
3454
3455 if (status & EV_TXEXC)
3456 get_tx_error(apriv, -1);
3457 spin_lock_irqsave(&apriv->aux_lock, flags);
b03efcfb 3458 if (!skb_queue_empty(&apriv->txq)) {
1da177e4
LT		 3459 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3460 mpi_send_packet (dev);
3461 } else {
3462 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3463 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3464 netif_wake_queue (dev);
3465 }
3466 OUT4500( apriv, EVACK,
3467 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3468 goto exittx;
3469 }
3470
3471 fid = IN4500(apriv, TXCOMPLFID);
3472
3473 for( i = 0; i < MAX_FIDS; i++ ) {
3474 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3475 len = apriv->fids[i] >> 16;
3476 index = i;
3477 }
3478 }
3479 if (index != -1) {
3480 if (status & EV_TXEXC)
3481 get_tx_error(apriv, index);
3482 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3483 /* Set up to be used again */
3484 apriv->fids[index] &= 0xffff;
3485 if (index < MAX_FIDS / 2) {
3486 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3487 netif_wake_queue(dev);
3488 } else {
3489 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3490 netif_wake_queue(apriv->wifidev);
3491 }
3492 } else {
3493 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
934d8bf1
DW		 3494 airo_print_err(apriv->dev->name, "Unallocated FID was "
3495 "used to xmit" );
1da177e4
LT		 3496 }
3497 }
3498exittx:
3499 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
934d8bf1 3500 airo_print_warn(apriv->dev->name, "Got weird status %x",
1da177e4
LT		 3501 status & ~STATUS_INTS & ~IGNORE_INTS );
3502 }
3503
3504 if (savedInterrupts)
3505 OUT4500( apriv, EVINTEN, savedInterrupts );
3506
3507 /* done.. */
3508 return IRQ_RETVAL(handled);
3509}
3510
3511/*
3512 * Routines to talk to the card
3513 */
3514
3515/*
3516 * This was originally written for the 4500, hence the name
3517 * NOTE: If use with 8bit mode and SMP bad things will happen!
3518 * Why would some one do 8 bit IO in an SMP machine?!?
3519 */
3520static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3521 if (test_bit(FLAG_MPI,&ai->flags))
3522 reg <<= 1;
3523 if ( !do8bitIO )
3524 outw( val, ai->dev->base_addr + reg );
3525 else {
3526 outb( val & 0xff, ai->dev->base_addr + reg );
3527 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3528 }
3529}
3530
3531static u16 IN4500( struct airo_info *ai, u16 reg ) {
3532 unsigned short rc;
3533
3534 if (test_bit(FLAG_MPI,&ai->flags))
3535 reg <<= 1;
3536 if ( !do8bitIO )
3537 rc = inw( ai->dev->base_addr + reg );
3538 else {
3539 rc = inb( ai->dev->base_addr + reg );
3540 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3541 }
3542 return rc;
3543}
3544
3545static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock ) {
3546 int rc;
3547 Cmd cmd;
3548
3549 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3550 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3551 * Note : we could try to use !netif_running(dev) in enable_MAC()
3552 * instead of this flag, but I don't trust it *within* the
3553 * open/close functions, and testing both flags together is
3554 * "cheaper" - Jean II */
3555 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3556
3557 if (lock && down_interruptible(&ai->sem))
3558 return -ERESTARTSYS;
3559
3560 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3561 memset(&cmd, 0, sizeof(cmd));
3562 cmd.cmd = MAC_ENABLE;
3563 rc = issuecommand(ai, &cmd, rsp);
3564 if (rc == SUCCESS)
3565 set_bit(FLAG_ENABLED, &ai->flags);
3566 } else
3567 rc = SUCCESS;
3568
3569 if (lock)
3570 up(&ai->sem);
3571
3572 if (rc)
934d8bf1
DW		 3573 airo_print_err(ai->dev->name, "%s: Cannot enable MAC, err=%d",
3574 __FUNCTION__, rc);
1da177e4
LT		 3575 return rc;
3576}
3577
3578static void disable_MAC( struct airo_info *ai, int lock ) {
3579 Cmd cmd;
3580 Resp rsp;
3581
3582 if (lock && down_interruptible(&ai->sem))
3583 return;
3584
3585 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3586 memset(&cmd, 0, sizeof(cmd));
3587 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3588 issuecommand(ai, &cmd, &rsp);
3589 clear_bit(FLAG_ENABLED, &ai->flags);
3590 }
3591 if (lock)
3592 up(&ai->sem);
3593}
3594
3595static void enable_interrupts( struct airo_info *ai ) {
3596 /* Enable the interrupts */
3597 OUT4500( ai, EVINTEN, STATUS_INTS );
3598}
3599
3600static void disable_interrupts( struct airo_info *ai ) {
3601 OUT4500( ai, EVINTEN, 0 );
3602}
3603
3604static void mpi_receive_802_3(struct airo_info *ai)
3605{
3606 RxFid rxd;
3607 int len = 0;
3608 struct sk_buff *skb;
3609 char *buffer;
1da177e4
LT		 3610 int off = 0;
3611 MICBuffer micbuf;
1da177e4
LT		 3612
3613 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3614 /* Make sure we got something */
3615 if (rxd.rdy && rxd.valid == 0) {
3616 len = rxd.len + 12;
3617 if (len < 12 || len > 2048)
3618 goto badrx;
3619
3620 skb = dev_alloc_skb(len);
3621 if (!skb) {
3622 ai->stats.rx_dropped++;
3623 goto badrx;
3624 }
3625 buffer = skb_put(skb,len);
1da177e4
LT		 3626 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3627 if (ai->micstats.enabled) {
3628 memcpy(&micbuf,
3629 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3630 sizeof(micbuf));
3631 if (ntohs(micbuf.typelen) <= 0x05DC) {
3632 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3633 goto badmic;
3634
3635 off = sizeof(micbuf);
3636 skb_trim (skb, len - off);
3637 }
3638 }
3639 memcpy(buffer + ETH_ALEN * 2,
3640 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3641 len - ETH_ALEN * 2 - off);
3642 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3643badmic:
3644 dev_kfree_skb_irq (skb);
3645 goto badrx;
3646 }
1da177e4
LT		 3647#ifdef WIRELESS_SPY
3648 if (ai->spy_data.spy_number > 0) {
3649 char *sa;
3650 struct iw_quality wstats;
3651 /* Prepare spy data : addr + qual */
3652 sa = buffer + ETH_ALEN;
3653 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3654 wstats.level = 0;
3655 wstats.updated = 0;
3656 /* Update spy records */
3657 wireless_spy_update(ai->dev, sa, &wstats);
3658 }
3659#endif /* WIRELESS_SPY */
3660
1da177e4
LT		 3661 skb->ip_summed = CHECKSUM_NONE;
3662 skb->protocol = eth_type_trans(skb, ai->dev);
3663 skb->dev->last_rx = jiffies;
3664 netif_rx(skb);
3665 }
3666badrx:
3667 if (rxd.valid == 0) {
3668 rxd.valid = 1;
3669 rxd.rdy = 0;
3670 rxd.len = PKTSIZE;
3671 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3672 }
3673}
3674
3675void mpi_receive_802_11 (struct airo_info *ai)
3676{
3677 RxFid rxd;
3678 struct sk_buff *skb = NULL;
3679 u16 fc, len, hdrlen = 0;
3680#pragma pack(1)
3681 struct {
3682 u16 status, len;
3683 u8 rssi[2];
3684 u8 rate;
3685 u8 freq;
3686 u16 tmp[4];
3687 } hdr;
3688#pragma pack()
3689 u16 gap;
3690 u16 *buffer;
3691 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3692
3693 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3694 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3695 ptr += sizeof(hdr);
3696 /* Bad CRC. Ignore packet */
3697 if (le16_to_cpu(hdr.status) & 2)
3698 hdr.len = 0;
3699 if (ai->wifidev == NULL)
3700 hdr.len = 0;
3701 len = le16_to_cpu(hdr.len);
15db2763 3702 if (len > AIRO_DEF_MTU) {
934d8bf1 3703 airo_print_err(ai->dev->name, "Bad size %d", len);
1da177e4
LT		 3704 goto badrx;
3705 }
3706 if (len == 0)
3707 goto badrx;
3708
3709 memcpy ((char *)&fc, ptr, sizeof(fc));
3710 fc = le16_to_cpu(fc);
3711 switch (fc & 0xc) {
3712 case 4:
3713 if ((fc & 0xe0) == 0xc0)
3714 hdrlen = 10;
3715 else
3716 hdrlen = 16;
3717 break;
3718 case 8:
3719 if ((fc&0x300)==0x300){
3720 hdrlen = 30;
3721 break;
3722 }
3723 default:
3724 hdrlen = 24;
3725 }
3726
3727 skb = dev_alloc_skb( len + hdrlen + 2 );
3728 if ( !skb ) {
3729 ai->stats.rx_dropped++;
3730 goto badrx;
3731 }
3732 buffer = (u16*)skb_put (skb, len + hdrlen);
3733 memcpy ((char *)buffer, ptr, hdrlen);
3734 ptr += hdrlen;
3735 if (hdrlen == 24)
3736 ptr += 6;
3737 memcpy ((char *)&gap, ptr, sizeof(gap));
3738 ptr += sizeof(gap);
3739 gap = le16_to_cpu(gap);
3740 if (gap) {
3741 if (gap <= 8)
3742 ptr += gap;
3743 else
934d8bf1
DW		 3744 airo_print_err(ai->dev->name,
3745 "gaplen too big. Problems will follow...");
1da177e4
LT		 3746 }
3747 memcpy ((char *)buffer + hdrlen, ptr, len);
3748 ptr += len;
3749#ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3750 if (ai->spy_data.spy_number > 0) {
3751 char *sa;
3752 struct iw_quality wstats;
3753 /* Prepare spy data : addr + qual */
3754 sa = (char*)buffer + 10;
3755 wstats.qual = hdr.rssi[0];
3756 if (ai->rssi)
3757 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3758 else
3759 wstats.level = (hdr.rssi[1] + 321) / 2;
41480af2
DW		 3760 wstats.noise = ai->wstats.qual.noise;
3761 wstats.updated = IW_QUAL_QUAL_UPDATED
3762 | IW_QUAL_LEVEL_UPDATED
ce6623c3 3763 | IW_QUAL_DBM;
1da177e4
LT		 3764 /* Update spy records */
3765 wireless_spy_update(ai->dev, sa, &wstats);
3766 }
3767#endif /* IW_WIRELESS_SPY */
459a98ed 3768 skb_reset_mac_header(skb);
1da177e4
LT		 3769 skb->pkt_type = PACKET_OTHERHOST;
3770 skb->dev = ai->wifidev;
3771 skb->protocol = htons(ETH_P_802_2);
3772 skb->dev->last_rx = jiffies;
3773 skb->ip_summed = CHECKSUM_NONE;
3774 netif_rx( skb );
3775badrx:
3776 if (rxd.valid == 0) {
3777 rxd.valid = 1;
3778 rxd.rdy = 0;
3779 rxd.len = PKTSIZE;
3780 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3781 }
3782}
3783
3784static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3785{
3786 Cmd cmd;
3787 Resp rsp;
3788 int status;
3789 int i;
3790 SsidRid mySsid;
3791 u16 lastindex;
3792 WepKeyRid wkr;
3793 int rc;
3794
3795 memset( &mySsid, 0, sizeof( mySsid ) );
b4558ea9
JJ		 3796 kfree (ai->flash);
3797 ai->flash = NULL;
1da177e4
LT		 3798
3799 /* The NOP is the first step in getting the card going */
3800 cmd.cmd = NOP;
3801 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3802 if (lock && down_interruptible(&ai->sem))
3803 return ERROR;
3804 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3805 if (lock)
3806 up(&ai->sem);
3807 return ERROR;
3808 }
3809 disable_MAC( ai, 0);
3810
3811 // Let's figure out if we need to use the AUX port
3812 if (!test_bit(FLAG_MPI,&ai->flags)) {
3813 cmd.cmd = CMD_ENABLEAUX;
3814 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3815 if (lock)
3816 up(&ai->sem);
934d8bf1 3817 airo_print_err(ai->dev->name, "Error checking for AUX port");
1da177e4
LT		 3818 return ERROR;
3819 }
3820 if (!aux_bap || rsp.status & 0xff00) {
3821 ai->bap_read = fast_bap_read;
934d8bf1 3822 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
1da177e4
LT		 3823 } else {
3824 ai->bap_read = aux_bap_read;
934d8bf1 3825 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
1da177e4
LT		 3826 }
3827 }
3828 if (lock)
3829 up(&ai->sem);
3830 if (ai->config.len == 0) {
3831 tdsRssiRid rssi_rid;
3832 CapabilityRid cap_rid;
3833
b4558ea9
JJ		 3834 kfree(ai->APList);
3835 ai->APList = NULL;
3836 kfree(ai->SSID);
3837 ai->SSID = NULL;
1da177e4
LT		 3838 // general configuration (read/modify/write)
3839 status = readConfigRid(ai, lock);
3840 if ( status != SUCCESS ) return ERROR;
3841
3842 status = readCapabilityRid(ai, &cap_rid, lock);
3843 if ( status != SUCCESS ) return ERROR;
3844
3845 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3846 if ( status == SUCCESS ) {
3847 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
41480af2 3848 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
1da177e4
LT		 3849 }
3850 else {
b4558ea9
JJ		 3851 kfree(ai->rssi);
3852 ai->rssi = NULL;
1da177e4
LT		 3853 if (cap_rid.softCap & 8)
3854 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3855 else
934d8bf1
DW		 3856 airo_print_warn(ai->dev->name, "unknown received signal "
3857 "level scale");
1da177e4
LT		 3858 }
3859 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3860 ai->config.authType = AUTH_OPEN;
3861 ai->config.modulation = MOD_CCK;
3862
1da177e4
LT		 3863 if ((cap_rid.len>=sizeof(cap_rid)) && (cap_rid.extSoftCap&1) &&
3864 (micsetup(ai) == SUCCESS)) {
3865 ai->config.opmode |= MODE_MIC;
3866 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3867 }
1da177e4
LT		 3868
3869 /* Save off the MAC */
3870 for( i = 0; i < ETH_ALEN; i++ ) {
3871 mac[i] = ai->config.macAddr[i];
3872 }
3873
3874 /* Check to see if there are any insmod configured
3875 rates to add */
3876 if ( rates[0] ) {
3877 int i = 0;
3878 memset(ai->config.rates,0,sizeof(ai->config.rates));
3879 for( i = 0; i < 8 && rates[i]; i++ ) {
3880 ai->config.rates[i] = rates[i];
3881 }
3882 }
3883 if ( basic_rate > 0 ) {
3884 int i;
3885 for( i = 0; i < 8; i++ ) {
3886 if ( ai->config.rates[i] == basic_rate ||
3887 !ai->config.rates ) {
3888 ai->config.rates[i] = basic_rate | 0x80;
3889 break;
3890 }
3891 }
3892 }
3893 set_bit (FLAG_COMMIT, &ai->flags);
3894 }
3895
3896 /* Setup the SSIDs if present */
3897 if ( ssids[0] ) {
3898 int i;
3899 for( i = 0; i < 3 && ssids[i]; i++ ) {
3900 mySsid.ssids[i].len = strlen(ssids[i]);
3901 if ( mySsid.ssids[i].len > 32 )
3902 mySsid.ssids[i].len = 32;
3903 memcpy(mySsid.ssids[i].ssid, ssids[i],
3904 mySsid.ssids[i].len);
3905 }
3906 mySsid.len = sizeof(mySsid);
3907 }
3908
3909 status = writeConfigRid(ai, lock);
3910 if ( status != SUCCESS ) return ERROR;
3911
3912 /* Set up the SSID list */
3913 if ( ssids[0] ) {
3914 status = writeSsidRid(ai, &mySsid, lock);
3915 if ( status != SUCCESS ) return ERROR;
3916 }
3917
3918 status = enable_MAC(ai, &rsp, lock);
3919 if ( status != SUCCESS || (rsp.status & 0xFF00) != 0) {
934d8bf1
DW		 3920 airo_print_err(ai->dev->name, "Bad MAC enable reason = %x, rid = %x,"
3921 " offset = %d", rsp.rsp0, rsp.rsp1, rsp.rsp2 );
1da177e4
LT		 3922 return ERROR;
3923 }
3924
3925 /* Grab the initial wep key, we gotta save it for auto_wep */
3926 rc = readWepKeyRid(ai, &wkr, 1, lock);
3927 if (rc == SUCCESS) do {
3928 lastindex = wkr.kindex;
3929 if (wkr.kindex == 0xffff) {
3930 ai->defindex = wkr.mac[0];
3931 }
3932 rc = readWepKeyRid(ai, &wkr, 0, lock);
3933 } while(lastindex != wkr.kindex);
3934
1c2b7db8 3935 try_auto_wep(ai);
1da177e4
LT		 3936
3937 return SUCCESS;
3938}
3939
3940static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3941 // Im really paranoid about letting it run forever!
3942 int max_tries = 600000;
3943
3944 if (IN4500(ai, EVSTAT) & EV_CMD)
3945 OUT4500(ai, EVACK, EV_CMD);
3946
3947 OUT4500(ai, PARAM0, pCmd->parm0);
3948 OUT4500(ai, PARAM1, pCmd->parm1);
3949 OUT4500(ai, PARAM2, pCmd->parm2);
3950 OUT4500(ai, COMMAND, pCmd->cmd);
3951
3952 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3953 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3954 // PC4500 didn't notice command, try again
3955 OUT4500(ai, COMMAND, pCmd->cmd);
3956 if (!in_atomic() && (max_tries & 255) == 0)
3957 schedule();
3958 }
3959
3960 if ( max_tries == -1 ) {
934d8bf1
DW		 3961 airo_print_err(ai->dev->name,
3962 "Max tries exceeded when issueing command");
1da177e4
LT		 3963 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3964 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3965 return ERROR;
3966 }
3967
3968 // command completed
3969 pRsp->status = IN4500(ai, STATUS);
3970 pRsp->rsp0 = IN4500(ai, RESP0);
3971 pRsp->rsp1 = IN4500(ai, RESP1);
3972 pRsp->rsp2 = IN4500(ai, RESP2);
13dca9b8
RS		 3973 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3974 airo_print_err(ai->dev->name,
3975 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3976 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3977 pRsp->rsp2);
1da177e4
LT		 3978
3979 // clear stuck command busy if necessary
3980 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3981 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3982 }
3983 // acknowledge processing the status/response
3984 OUT4500(ai, EVACK, EV_CMD);
3985
3986 return SUCCESS;
3987}
3988
3989/* Sets up the bap to start exchange data. whichbap should
3990 * be one of the BAP0 or BAP1 defines. Locks should be held before
3991 * calling! */
3992static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3993{
3994 int timeout = 50;
3995 int max_tries = 3;
3996
3997 OUT4500(ai, SELECT0+whichbap, rid);
3998 OUT4500(ai, OFFSET0+whichbap, offset);
3999 while (1) {
4000 int status = IN4500(ai, OFFSET0+whichbap);
4001 if (status & BAP_BUSY) {
4002 /* This isn't really a timeout, but its kinda
4003 close */
4004 if (timeout--) {
4005 continue;
4006 }
4007 } else if ( status & BAP_ERR ) {
4008 /* invalid rid or offset */
934d8bf1 4009 airo_print_err(ai->dev->name, "BAP error %x %d",
1da177e4
LT		 4010 status, whichbap );
4011 return ERROR;
4012 } else if (status & BAP_DONE) { // success
4013 return SUCCESS;
4014 }
4015 if ( !(max_tries--) ) {
934d8bf1
DW		 4016 airo_print_err(ai->dev->name,
4017 "airo: BAP setup error too many retries\n");
1da177e4
LT		 4018 return ERROR;
4019 }
4020 // -- PC4500 missed it, try again
4021 OUT4500(ai, SELECT0+whichbap, rid);
4022 OUT4500(ai, OFFSET0+whichbap, offset);
4023 timeout = 50;
4024 }
4025}
4026
4027/* should only be called by aux_bap_read. This aux function and the
4028 following use concepts not documented in the developers guide. I
4029 got them from a patch given to my by Aironet */
4030static u16 aux_setup(struct airo_info *ai, u16 page,
4031 u16 offset, u16 *len)
4032{
4033 u16 next;
4034
4035 OUT4500(ai, AUXPAGE, page);
4036 OUT4500(ai, AUXOFF, 0);
4037 next = IN4500(ai, AUXDATA);
4038 *len = IN4500(ai, AUXDATA)&0xff;
4039 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4040 return next;
4041}
4042
4043/* requires call to bap_setup() first */
4044static int aux_bap_read(struct airo_info *ai, u16 *pu16Dst,
4045 int bytelen, int whichbap)
4046{
4047 u16 len;
4048 u16 page;
4049 u16 offset;
4050 u16 next;
4051 int words;
4052 int i;
4053 unsigned long flags;
4054
4055 spin_lock_irqsave(&ai->aux_lock, flags);
4056 page = IN4500(ai, SWS0+whichbap);
4057 offset = IN4500(ai, SWS2+whichbap);
4058 next = aux_setup(ai, page, offset, &len);
4059 words = (bytelen+1)>>1;
4060
4061 for (i=0; i<words;) {
4062 int count;
4063 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4064 if ( !do8bitIO )
4065 insw( ai->dev->base_addr+DATA0+whichbap,
4066 pu16Dst+i,count );
4067 else
4068 insb( ai->dev->base_addr+DATA0+whichbap,
4069 pu16Dst+i, count << 1 );
4070 i += count;
4071 if (i<words) {
4072 next = aux_setup(ai, next, 4, &len);
4073 }
4074 }
4075 spin_unlock_irqrestore(&ai->aux_lock, flags);
4076 return SUCCESS;
4077}
4078
4079
4080/* requires call to bap_setup() first */
4081static int fast_bap_read(struct airo_info *ai, u16 *pu16Dst,
4082 int bytelen, int whichbap)
4083{
4084 bytelen = (bytelen + 1) & (~1); // round up to even value
4085 if ( !do8bitIO )
4086 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4087 else
4088 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4089 return SUCCESS;
4090}
4091
4092/* requires call to bap_setup() first */
4093static int bap_write(struct airo_info *ai, const u16 *pu16Src,
4094 int bytelen, int whichbap)
4095{
4096 bytelen = (bytelen + 1) & (~1); // round up to even value
4097 if ( !do8bitIO )
4098 outsw( ai->dev->base_addr+DATA0+whichbap,
4099 pu16Src, bytelen>>1 );
4100 else
4101 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4102 return SUCCESS;
4103}
4104
4105static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4106{
4107 Cmd cmd; /* for issuing commands */
4108 Resp rsp; /* response from commands */
4109 u16 status;
4110
4111 memset(&cmd, 0, sizeof(cmd));
4112 cmd.cmd = accmd;
4113 cmd.parm0 = rid;
4114 status = issuecommand(ai, &cmd, &rsp);
4115 if (status != 0) return status;
4116 if ( (rsp.status & 0x7F00) != 0) {
4117 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4118 }
4119 return 0;
4120}
4121
4122/* Note, that we are using BAP1 which is also used by transmit, so
4123 * we must get a lock. */
4124static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4125{
4126 u16 status;
4127 int rc = SUCCESS;
4128
4129 if (lock) {
4130 if (down_interruptible(&ai->sem))
4131 return ERROR;
4132 }
4133 if (test_bit(FLAG_MPI,&ai->flags)) {
4134 Cmd cmd;
4135 Resp rsp;
4136
4137 memset(&cmd, 0, sizeof(cmd));
4138 memset(&rsp, 0, sizeof(rsp));
4139 ai->config_desc.rid_desc.valid = 1;
4140 ai->config_desc.rid_desc.len = RIDSIZE;
4141 ai->config_desc.rid_desc.rid = 0;
4142 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4143
4144 cmd.cmd = CMD_ACCESS;
4145 cmd.parm0 = rid;
4146
4147 memcpy_toio(ai->config_desc.card_ram_off,
4148 &ai->config_desc.rid_desc, sizeof(Rid));
4149
4150 rc = issuecommand(ai, &cmd, &rsp);
4151
4152 if (rsp.status & 0x7f00)
4153 rc = rsp.rsp0;
4154 if (!rc)
4155 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4156 goto done;
4157 } else {
4158 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4159 rc = status;
4160 goto done;
4161 }
4162 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4163 rc = ERROR;
4164 goto done;
4165 }
4166 // read the rid length field
4167 bap_read(ai, pBuf, 2, BAP1);
4168 // length for remaining part of rid
4169 len = min(len, (int)le16_to_cpu(*(u16*)pBuf)) - 2;
4170
4171 if ( len <= 2 ) {
934d8bf1
DW		 4172 airo_print_err(ai->dev->name,
4173 "Rid %x has a length of %d which is too short",
1da177e4
LT		 4174 (int)rid, (int)len );
4175 rc = ERROR;
4176 goto done;
4177 }
4178 // read remainder of the rid
4179 rc = bap_read(ai, ((u16*)pBuf)+1, len, BAP1);
4180 }
4181done:
4182 if (lock)
4183 up(&ai->sem);
4184 return rc;
4185}
4186
4187/* Note, that we are using BAP1 which is also used by transmit, so
4188 * make sure this isnt called when a transmit is happening */
4189static int PC4500_writerid(struct airo_info *ai, u16 rid,
4190 const void *pBuf, int len, int lock)
4191{
4192 u16 status;
4193 int rc = SUCCESS;
4194
4195 *(u16*)pBuf = cpu_to_le16((u16)len);
4196
4197 if (lock) {
4198 if (down_interruptible(&ai->sem))
4199 return ERROR;
4200 }
4201 if (test_bit(FLAG_MPI,&ai->flags)) {
4202 Cmd cmd;
4203 Resp rsp;
4204
f89b2321 4205 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
934d8bf1
DW		 4206 airo_print_err(ai->dev->name,
4207 "%s: MAC should be disabled (rid=%04x)",
1da177e4
LT		 4208 __FUNCTION__, rid);
4209 memset(&cmd, 0, sizeof(cmd));
4210 memset(&rsp, 0, sizeof(rsp));
4211
4212 ai->config_desc.rid_desc.valid = 1;
4213 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4214 ai->config_desc.rid_desc.rid = 0;
4215
4216 cmd.cmd = CMD_WRITERID;
4217 cmd.parm0 = rid;
4218
4219 memcpy_toio(ai->config_desc.card_ram_off,
4220 &ai->config_desc.rid_desc, sizeof(Rid));
4221
4222 if (len < 4 || len > 2047) {
934d8bf1 4223 airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
1da177e4
LT		 4224 rc = -1;
4225 } else {
4226 memcpy((char *)ai->config_desc.virtual_host_addr,
4227 pBuf, len);
4228
4229 rc = issuecommand(ai, &cmd, &rsp);
4230 if ((rc & 0xff00) != 0) {
934d8bf1
DW		 4231 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4232 __FUNCTION__, rc);
4233 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4234 __FUNCTION__, cmd.cmd);
1da177e4
LT		 4235 }
4236
4237 if ((rsp.status & 0x7f00))
4238 rc = rsp.rsp0;
4239 }
4240 } else {
4241 // --- first access so that we can write the rid data
4242 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4243 rc = status;
4244 goto done;
4245 }
4246 // --- now write the rid data
4247 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4248 rc = ERROR;
4249 goto done;
4250 }
4251 bap_write(ai, pBuf, len, BAP1);
4252 // ---now commit the rid data
4253 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4254 }
4255done:
4256 if (lock)
4257 up(&ai->sem);
4258 return rc;
4259}
4260
4261/* Allocates a FID to be used for transmitting packets. We only use
4262 one for now. */
4263static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4264{
4265 unsigned int loop = 3000;
4266 Cmd cmd;
4267 Resp rsp;
4268 u16 txFid;
4269 u16 txControl;
4270
4271 cmd.cmd = CMD_ALLOCATETX;
4272 cmd.parm0 = lenPayload;
4273 if (down_interruptible(&ai->sem))
4274 return ERROR;
4275 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4276 txFid = ERROR;
4277 goto done;
4278 }
4279 if ( (rsp.status & 0xFF00) != 0) {
4280 txFid = ERROR;
4281 goto done;
4282 }
4283 /* wait for the allocate event/indication
4284 * It makes me kind of nervous that this can just sit here and spin,
4285 * but in practice it only loops like four times. */
4286 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4287 if (!loop) {
4288 txFid = ERROR;
4289 goto done;
4290 }
4291
4292 // get the allocated fid and acknowledge
4293 txFid = IN4500(ai, TXALLOCFID);
4294 OUT4500(ai, EVACK, EV_ALLOC);
4295
4296 /* The CARD is pretty cool since it converts the ethernet packet
4297 * into 802.11. Also note that we don't release the FID since we
4298 * will be using the same one over and over again. */
4299 /* We only have to setup the control once since we are not
4300 * releasing the fid. */
4301 if (raw)
4302 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4303 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4304 else
4305 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4306 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4307 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4308 txFid = ERROR;
4309 else
4310 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4311
4312done:
4313 up(&ai->sem);
4314
4315 return txFid;
4316}
4317
4318/* In general BAP1 is dedicated to transmiting packets. However,
4319 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4320 Make sure the BAP1 spinlock is held when this is called. */
4321static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4322{
4323 u16 payloadLen;
4324 Cmd cmd;
4325 Resp rsp;
4326 int miclen = 0;
4327 u16 txFid = len;
4328 MICBuffer pMic;
4329
4330 len >>= 16;
4331
4332 if (len <= ETH_ALEN * 2) {
934d8bf1 4333 airo_print_warn(ai->dev->name, "Short packet %d", len);
1da177e4
LT		 4334 return ERROR;
4335 }
4336 len -= ETH_ALEN * 2;
4337
1da177e4
LT		 4338 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4339 (ntohs(((u16 *)pPacket)[6]) != 0x888E)) {
4340 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4341 return ERROR;
4342 miclen = sizeof(pMic);
4343 }
1da177e4
LT		 4344 // packet is destination[6], source[6], payload[len-12]
4345 // write the payload length and dst/src/payload
4346 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4347 /* The hardware addresses aren't counted as part of the payload, so
4348 * we have to subtract the 12 bytes for the addresses off */
4349 payloadLen = cpu_to_le16(len + miclen);
4350 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4351 bap_write(ai, (const u16*)pPacket, sizeof(etherHead), BAP1);
4352 if (miclen)
4353 bap_write(ai, (const u16*)&pMic, miclen, BAP1);
4354 bap_write(ai, (const u16*)(pPacket + sizeof(etherHead)), len, BAP1);
4355 // issue the transmit command
4356 memset( &cmd, 0, sizeof( cmd ) );
4357 cmd.cmd = CMD_TRANSMIT;
4358 cmd.parm0 = txFid;
4359 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4360 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4361 return SUCCESS;
4362}
4363
4364static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4365{
4366 u16 fc, payloadLen;
4367 Cmd cmd;
4368 Resp rsp;
4369 int hdrlen;
4370 struct {
4371 u8 addr4[ETH_ALEN];
4372 u16 gaplen;
4373 u8 gap[6];
4374 } gap;
4375 u16 txFid = len;
4376 len >>= 16;
4377 gap.gaplen = 6;
4378
4379 fc = le16_to_cpu(*(const u16*)pPacket);
4380 switch (fc & 0xc) {
4381 case 4:
4382 if ((fc & 0xe0) == 0xc0)
4383 hdrlen = 10;
4384 else
4385 hdrlen = 16;
4386 break;
4387 case 8:
4388 if ((fc&0x300)==0x300){
4389 hdrlen = 30;
4390 break;
4391 }
4392 default:
4393 hdrlen = 24;
4394 }
4395
4396 if (len < hdrlen) {
934d8bf1 4397 airo_print_warn(ai->dev->name, "Short packet %d", len);
1da177e4
LT		 4398 return ERROR;
4399 }
4400
4401 /* packet is 802.11 header + payload
4402 * write the payload length and dst/src/payload */
4403 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4404 /* The 802.11 header aren't counted as part of the payload, so
4405 * we have to subtract the header bytes off */
4406 payloadLen = cpu_to_le16(len-hdrlen);
4407 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4408 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4409 bap_write(ai, (const u16*)pPacket, hdrlen, BAP1);
4410 bap_write(ai, hdrlen == 30 ?
4411 (const u16*)&gap.gaplen : (const u16*)&gap, 38 - hdrlen, BAP1);
4412
4413 bap_write(ai, (const u16*)(pPacket + hdrlen), len - hdrlen, BAP1);
4414 // issue the transmit command
4415 memset( &cmd, 0, sizeof( cmd ) );
4416 cmd.cmd = CMD_TRANSMIT;
4417 cmd.parm0 = txFid;
4418 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4419 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4420 return SUCCESS;
4421}
4422
4423/*
4424 * This is the proc_fs routines. It is a bit messier than I would
4425 * like! Feel free to clean it up!
4426 */
4427
4428static ssize_t proc_read( struct file *file,
4429 char __user *buffer,
4430 size_t len,
4431 loff_t *offset);
4432
4433static ssize_t proc_write( struct file *file,
4434 const char __user *buffer,
4435 size_t len,
4436 loff_t *offset );
4437static int proc_close( struct inode *inode, struct file *file );
4438
4439static int proc_stats_open( struct inode *inode, struct file *file );
4440static int proc_statsdelta_open( struct inode *inode, struct file *file );
4441static int proc_status_open( struct inode *inode, struct file *file );
4442static int proc_SSID_open( struct inode *inode, struct file *file );
4443static int proc_APList_open( struct inode *inode, struct file *file );
4444static int proc_BSSList_open( struct inode *inode, struct file *file );
4445static int proc_config_open( struct inode *inode, struct file *file );
4446static int proc_wepkey_open( struct inode *inode, struct file *file );
4447
d54b1fdb 4448static const struct file_operations proc_statsdelta_ops = {
1da177e4
LT		 4449 .read = proc_read,
4450 .open = proc_statsdelta_open,
4451 .release = proc_close
4452};
4453
d54b1fdb 4454static const struct file_operations proc_stats_ops = {
1da177e4
LT		 4455 .read = proc_read,
4456 .open = proc_stats_open,
4457 .release = proc_close
4458};
4459
d54b1fdb 4460static const struct file_operations proc_status_ops = {
1da177e4
LT		 4461 .read = proc_read,
4462 .open = proc_status_open,
4463 .release = proc_close
4464};
4465
d54b1fdb 4466static const struct file_operations proc_SSID_ops = {
1da177e4
LT		 4467 .read = proc_read,
4468 .write = proc_write,
4469 .open = proc_SSID_open,
4470 .release = proc_close
4471};
4472
d54b1fdb 4473static const struct file_operations proc_BSSList_ops = {
1da177e4
LT		 4474 .read = proc_read,
4475 .write = proc_write,
4476 .open = proc_BSSList_open,
4477 .release = proc_close
4478};
4479
d54b1fdb 4480static const struct file_operations proc_APList_ops = {
1da177e4
LT		 4481 .read = proc_read,
4482 .write = proc_write,
4483 .open = proc_APList_open,
4484 .release = proc_close
4485};
4486
d54b1fdb 4487static const struct file_operations proc_config_ops = {
1da177e4
LT		 4488 .read = proc_read,
4489 .write = proc_write,
4490 .open = proc_config_open,
4491 .release = proc_close
4492};
4493
d54b1fdb 4494static const struct file_operations proc_wepkey_ops = {
1da177e4
LT		 4495 .read = proc_read,
4496 .write = proc_write,
4497 .open = proc_wepkey_open,
4498 .release = proc_close
4499};
4500
4501static struct proc_dir_entry *airo_entry;
4502
4503struct proc_data {
4504 int release_buffer;
4505 int readlen;
4506 char *rbuffer;
4507 int writelen;
4508 int maxwritelen;
4509 char *wbuffer;
4510 void (*on_close) (struct inode *, struct file *);
4511};
4512
4513#ifndef SETPROC_OPS
4514#define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4515#endif
4516
4517static int setup_proc_entry( struct net_device *dev,
4518 struct airo_info *apriv ) {
4519 struct proc_dir_entry *entry;
4520 /* First setup the device directory */
4521 strcpy(apriv->proc_name,dev->name);
4522 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4523 S_IFDIR|airo_perm,
4524 airo_entry);
431aca5a
FM		 4525 if (!apriv->proc_entry)
4526 goto fail;
4527 apriv->proc_entry->uid = proc_uid;
4528 apriv->proc_entry->gid = proc_gid;
4529 apriv->proc_entry->owner = THIS_MODULE;
1da177e4
LT		 4530
4531 /* Setup the StatsDelta */
4532 entry = create_proc_entry("StatsDelta",
4533 S_IFREG | (S_IRUGO&proc_perm),
4534 apriv->proc_entry);
431aca5a
FM		 4535 if (!entry)
4536 goto fail_stats_delta;
4537 entry->uid = proc_uid;
4538 entry->gid = proc_gid;
1da177e4 4539 entry->data = dev;
431aca5a 4540 entry->owner = THIS_MODULE;
1da177e4
LT		 4541 SETPROC_OPS(entry, proc_statsdelta_ops);
4542
4543 /* Setup the Stats */
4544 entry = create_proc_entry("Stats",
4545 S_IFREG | (S_IRUGO&proc_perm),
4546 apriv->proc_entry);
431aca5a
FM		 4547 if (!entry)
4548 goto fail_stats;
4549 entry->uid = proc_uid;
4550 entry->gid = proc_gid;
1da177e4 4551 entry->data = dev;
431aca5a 4552 entry->owner = THIS_MODULE;
1da177e4
LT		 4553 SETPROC_OPS(entry, proc_stats_ops);
4554
4555 /* Setup the Status */
4556 entry = create_proc_entry("Status",
4557 S_IFREG | (S_IRUGO&proc_perm),
4558 apriv->proc_entry);
431aca5a
FM		 4559 if (!entry)
4560 goto fail_status;
4561 entry->uid = proc_uid;
4562 entry->gid = proc_gid;
1da177e4 4563 entry->data = dev;
431aca5a 4564 entry->owner = THIS_MODULE;
1da177e4
LT		 4565 SETPROC_OPS(entry, proc_status_ops);
4566
4567 /* Setup the Config */
4568 entry = create_proc_entry("Config",
4569 S_IFREG | proc_perm,
4570 apriv->proc_entry);
431aca5a
FM		 4571 if (!entry)
4572 goto fail_config;
4573 entry->uid = proc_uid;
4574 entry->gid = proc_gid;
1da177e4 4575 entry->data = dev;
431aca5a 4576 entry->owner = THIS_MODULE;
1da177e4
LT		 4577 SETPROC_OPS(entry, proc_config_ops);
4578
4579 /* Setup the SSID */
4580 entry = create_proc_entry("SSID",
4581 S_IFREG | proc_perm,
4582 apriv->proc_entry);
431aca5a
FM		 4583 if (!entry)
4584 goto fail_ssid;
4585 entry->uid = proc_uid;
4586 entry->gid = proc_gid;
1da177e4 4587 entry->data = dev;
431aca5a 4588 entry->owner = THIS_MODULE;
1da177e4
LT		 4589 SETPROC_OPS(entry, proc_SSID_ops);
4590
4591 /* Setup the APList */
4592 entry = create_proc_entry("APList",
4593 S_IFREG | proc_perm,
4594 apriv->proc_entry);
431aca5a
FM		 4595 if (!entry)
4596 goto fail_aplist;
4597 entry->uid = proc_uid;
4598 entry->gid = proc_gid;
1da177e4 4599 entry->data = dev;
431aca5a 4600 entry->owner = THIS_MODULE;
1da177e4
LT		 4601 SETPROC_OPS(entry, proc_APList_ops);
4602
4603 /* Setup the BSSList */
4604 entry = create_proc_entry("BSSList",
4605 S_IFREG | proc_perm,
4606 apriv->proc_entry);
431aca5a
FM		 4607 if (!entry)
4608 goto fail_bsslist;
1da177e4
LT		 4609 entry->uid = proc_uid;
4610 entry->gid = proc_gid;
4611 entry->data = dev;
431aca5a 4612 entry->owner = THIS_MODULE;
1da177e4
LT		 4613 SETPROC_OPS(entry, proc_BSSList_ops);
4614
4615 /* Setup the WepKey */
4616 entry = create_proc_entry("WepKey",
4617 S_IFREG | proc_perm,
4618 apriv->proc_entry);
431aca5a
FM		 4619 if (!entry)
4620 goto fail_wepkey;
4621 entry->uid = proc_uid;
4622 entry->gid = proc_gid;
1da177e4 4623 entry->data = dev;
431aca5a 4624 entry->owner = THIS_MODULE;
1da177e4
LT		 4625 SETPROC_OPS(entry, proc_wepkey_ops);
4626
4627 return 0;
431aca5a
FM		 4628
4629fail_wepkey:
4630 remove_proc_entry("BSSList", apriv->proc_entry);
4631fail_bsslist:
4632 remove_proc_entry("APList", apriv->proc_entry);
4633fail_aplist:
4634 remove_proc_entry("SSID", apriv->proc_entry);
4635fail_ssid:
4636 remove_proc_entry("Config", apriv->proc_entry);
4637fail_config:
4638 remove_proc_entry("Status", apriv->proc_entry);
4639fail_status:
4640 remove_proc_entry("Stats", apriv->proc_entry);
4641fail_stats:
4642 remove_proc_entry("StatsDelta", apriv->proc_entry);
4643fail_stats_delta:
4644 remove_proc_entry(apriv->proc_name, airo_entry);
4645fail:
4646 return -ENOMEM;
1da177e4
LT		 4647}
4648
4649static int takedown_proc_entry( struct net_device *dev,
4650 struct airo_info *apriv ) {
4651 if ( !apriv->proc_entry->namelen ) return 0;
4652 remove_proc_entry("Stats",apriv->proc_entry);
4653 remove_proc_entry("StatsDelta",apriv->proc_entry);
4654 remove_proc_entry("Status",apriv->proc_entry);
4655 remove_proc_entry("Config",apriv->proc_entry);
4656 remove_proc_entry("SSID",apriv->proc_entry);
4657 remove_proc_entry("APList",apriv->proc_entry);
4658 remove_proc_entry("BSSList",apriv->proc_entry);
4659 remove_proc_entry("WepKey",apriv->proc_entry);
4660 remove_proc_entry(apriv->proc_name,airo_entry);
4661 return 0;
4662}
4663
4664/*
4665 * What we want from the proc_fs is to be able to efficiently read
4666 * and write the configuration. To do this, we want to read the
4667 * configuration when the file is opened and write it when the file is
4668 * closed. So basically we allocate a read buffer at open and fill it
4669 * with data, and allocate a write buffer and read it at close.
4670 */
4671
4672/*
4673 * The read routine is generic, it relies on the preallocated rbuffer
4674 * to supply the data.
4675 */
4676static ssize_t proc_read( struct file *file,
4677 char __user *buffer,
4678 size_t len,
4679 loff_t *offset )
4680{
4681 loff_t pos = *offset;
4682 struct proc_data *priv = (struct proc_data*)file->private_data;
4683
4684 if (!priv->rbuffer)
4685 return -EINVAL;
4686
4687 if (pos < 0)
4688 return -EINVAL;
4689 if (pos >= priv->readlen)
4690 return 0;
4691 if (len > priv->readlen - pos)
4692 len = priv->readlen - pos;
4693 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4694 return -EFAULT;
4695 *offset = pos + len;
4696 return len;
4697}
4698
4699/*
4700 * The write routine is generic, it fills in a preallocated rbuffer
4701 * to supply the data.
4702 */
4703static ssize_t proc_write( struct file *file,
4704 const char __user *buffer,
4705 size_t len,
4706 loff_t *offset )
4707{
4708 loff_t pos = *offset;
4709 struct proc_data *priv = (struct proc_data*)file->private_data;
4710
4711 if (!priv->wbuffer)
4712 return -EINVAL;
4713
4714 if (pos < 0)
4715 return -EINVAL;
4716 if (pos >= priv->maxwritelen)
4717 return 0;
4718 if (len > priv->maxwritelen - pos)
4719 len = priv->maxwritelen - pos;
4720 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4721 return -EFAULT;
4722 if ( pos + len > priv->writelen )
4723 priv->writelen = len + file->f_pos;
4724 *offset = pos + len;
4725 return len;
4726}
4727
4728static int proc_status_open( struct inode *inode, struct file *file ) {
4729 struct proc_data *data;
4730 struct proc_dir_entry *dp = PDE(inode);
4731 struct net_device *dev = dp->data;
4732 struct airo_info *apriv = dev->priv;
4733 CapabilityRid cap_rid;
4734 StatusRid status_rid;
4735 int i;
4736
b69a3aa8 4737 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 4738 return -ENOMEM;
1da177e4
LT		 4739 data = (struct proc_data *)file->private_data;
4740 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4741 kfree (file->private_data);
4742 return -ENOMEM;
4743 }
4744
4745 readStatusRid(apriv, &status_rid, 1);
4746 readCapabilityRid(apriv, &cap_rid, 1);
4747
4748 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4749 status_rid.mode & 1 ? "CFG ": "",
4750 status_rid.mode & 2 ? "ACT ": "",
4751 status_rid.mode & 0x10 ? "SYN ": "",
4752 status_rid.mode & 0x20 ? "LNK ": "",
4753 status_rid.mode & 0x40 ? "LEAP ": "",
4754 status_rid.mode & 0x80 ? "PRIV ": "",
4755 status_rid.mode & 0x100 ? "KEY ": "",
4756 status_rid.mode & 0x200 ? "WEP ": "",
4757 status_rid.mode & 0x8000 ? "ERR ": "");
4758 sprintf( data->rbuffer+i, "Mode: %x\n"
4759 "Signal Strength: %d\n"
4760 "Signal Quality: %d\n"
4761 "SSID: %-.*s\n"
4762 "AP: %-.16s\n"
4763 "Freq: %d\n"
4764 "BitRate: %dmbs\n"
4765 "Driver Version: %s\n"
4766 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4767 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4768 "Software Version: %x\nSoftware Subversion: %x\n"
4769 "Boot block version: %x\n",
4770 (int)status_rid.mode,
4771 (int)status_rid.normalizedSignalStrength,
4772 (int)status_rid.signalQuality,
4773 (int)status_rid.SSIDlen,
4774 status_rid.SSID,
4775 status_rid.apName,
4776 (int)status_rid.channel,
4777 (int)status_rid.currentXmitRate/2,
4778 version,
4779 cap_rid.prodName,
4780 cap_rid.manName,
4781 cap_rid.prodVer,
4782 cap_rid.radioType,
4783 cap_rid.country,
4784 cap_rid.hardVer,
4785 (int)cap_rid.softVer,
4786 (int)cap_rid.softSubVer,
4787 (int)cap_rid.bootBlockVer );
4788 data->readlen = strlen( data->rbuffer );
4789 return 0;
4790}
4791
4792static int proc_stats_rid_open(struct inode*, struct file*, u16);
4793static int proc_statsdelta_open( struct inode *inode,
4794 struct file *file ) {
4795 if (file->f_mode&FMODE_WRITE) {
4796 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4797 }
4798 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4799}
4800
4801static int proc_stats_open( struct inode *inode, struct file *file ) {
4802 return proc_stats_rid_open(inode, file, RID_STATS);
4803}
4804
4805static int proc_stats_rid_open( struct inode *inode,
4806 struct file *file,
4807 u16 rid ) {
4808 struct proc_data *data;
4809 struct proc_dir_entry *dp = PDE(inode);
4810 struct net_device *dev = dp->data;
4811 struct airo_info *apriv = dev->priv;
4812 StatsRid stats;
4813 int i, j;
4814 u32 *vals = stats.vals;
4815
b69a3aa8 4816 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 4817 return -ENOMEM;
1da177e4
LT		 4818 data = (struct proc_data *)file->private_data;
4819 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4820 kfree (file->private_data);
4821 return -ENOMEM;
4822 }
4823
4824 readStatsRid(apriv, &stats, rid, 1);
4825
4826 j = 0;
4827 for(i=0; statsLabels[i]!=(char *)-1 &&
4828 i*4<stats.len; i++){
4829 if (!statsLabels[i]) continue;
4830 if (j+strlen(statsLabels[i])+16>4096) {
934d8bf1
DW		 4831 airo_print_warn(apriv->dev->name,
4832 "Potentially disasterous buffer overflow averted!");
1da177e4
LT		 4833 break;
4834 }
4835 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], vals[i]);
4836 }
4837 if (i*4>=stats.len){
934d8bf1 4838 airo_print_warn(apriv->dev->name, "Got a short rid");
1da177e4
LT		 4839 }
4840 data->readlen = j;
4841 return 0;
4842}
4843
4844static int get_dec_u16( char *buffer, int *start, int limit ) {
4845 u16 value;
4846 int valid = 0;
4847 for( value = 0; buffer[*start] >= '0' &&
4848 buffer[*start] <= '9' &&
4849 *start < limit; (*start)++ ) {
4850 valid = 1;
4851 value *= 10;
4852 value += buffer[*start] - '0';
4853 }
4854 if ( !valid ) return -1;
4855 return value;
4856}
4857
4858static int airo_config_commit(struct net_device *dev,
4859 struct iw_request_info *info, void *zwrq,
4860 char *extra);
4861
4862static void proc_config_on_close( struct inode *inode, struct file *file ) {
4863 struct proc_data *data = file->private_data;
4864 struct proc_dir_entry *dp = PDE(inode);
4865 struct net_device *dev = dp->data;
4866 struct airo_info *ai = dev->priv;
4867 char *line;
4868
4869 if ( !data->writelen ) return;
4870
4871 readConfigRid(ai, 1);
4872 set_bit (FLAG_COMMIT, &ai->flags);
4873
4874 line = data->wbuffer;
4875 while( line[0] ) {
4876/*** Mode processing */
4877 if ( !strncmp( line, "Mode: ", 6 ) ) {
4878 line += 6;
4879 if ((ai->config.rmode & 0xff) >= RXMODE_RFMON)
4880 set_bit (FLAG_RESET, &ai->flags);
4881 ai->config.rmode &= 0xfe00;
4882 clear_bit (FLAG_802_11, &ai->flags);
4883 ai->config.opmode &= 0xFF00;
4884 ai->config.scanMode = SCANMODE_ACTIVE;
4885 if ( line[0] == 'a' ) {
4886 ai->config.opmode |= 0;
4887 } else {
4888 ai->config.opmode |= 1;
4889 if ( line[0] == 'r' ) {
4890 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4891 ai->config.scanMode = SCANMODE_PASSIVE;
4892 set_bit (FLAG_802_11, &ai->flags);
4893 } else if ( line[0] == 'y' ) {
4894 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4895 ai->config.scanMode = SCANMODE_PASSIVE;
4896 set_bit (FLAG_802_11, &ai->flags);
4897 } else if ( line[0] == 'l' )
4898 ai->config.rmode |= RXMODE_LANMON;
4899 }
4900 set_bit (FLAG_COMMIT, &ai->flags);
4901 }
4902
4903/*** Radio status */
4904 else if (!strncmp(line,"Radio: ", 7)) {
4905 line += 7;
4906 if (!strncmp(line,"off",3)) {
4907 set_bit (FLAG_RADIO_OFF, &ai->flags);
4908 } else {
4909 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4910 }
4911 }
4912/*** NodeName processing */
4913 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4914 int j;
4915
4916 line += 10;
4917 memset( ai->config.nodeName, 0, 16 );
4918/* Do the name, assume a space between the mode and node name */
4919 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4920 ai->config.nodeName[j] = line[j];
4921 }
4922 set_bit (FLAG_COMMIT, &ai->flags);
4923 }
4924
4925/*** PowerMode processing */
4926 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4927 line += 11;
4928 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4929 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4930 set_bit (FLAG_COMMIT, &ai->flags);
4931 } else if ( !strncmp( line, "PSP", 3 ) ) {
4932 ai->config.powerSaveMode = POWERSAVE_PSP;
4933 set_bit (FLAG_COMMIT, &ai->flags);
4934 } else {
4935 ai->config.powerSaveMode = POWERSAVE_CAM;
4936 set_bit (FLAG_COMMIT, &ai->flags);
4937 }
4938 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4939 int v, i = 0, k = 0; /* i is index into line,
4940 k is index to rates */
4941
4942 line += 11;
4943 while((v = get_dec_u16(line, &i, 3))!=-1) {
4944 ai->config.rates[k++] = (u8)v;
4945 line += i + 1;
4946 i = 0;
4947 }
4948 set_bit (FLAG_COMMIT, &ai->flags);
4949 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4950 int v, i = 0;
4951 line += 9;
4952 v = get_dec_u16(line, &i, i+3);
4953 if ( v != -1 ) {
4954 ai->config.channelSet = (u16)v;
4955 set_bit (FLAG_COMMIT, &ai->flags);
4956 }
4957 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4958 int v, i = 0;
4959 line += 11;
4960 v = get_dec_u16(line, &i, i+3);
4961 if ( v != -1 ) {
4962 ai->config.txPower = (u16)v;
4963 set_bit (FLAG_COMMIT, &ai->flags);
4964 }
4965 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4966 line += 5;
4967 switch( line[0] ) {
4968 case 's':
4969 ai->config.authType = (u16)AUTH_SHAREDKEY;
4970 break;
4971 case 'e':
4972 ai->config.authType = (u16)AUTH_ENCRYPT;
4973 break;
4974 default:
4975 ai->config.authType = (u16)AUTH_OPEN;
4976 break;
4977 }
4978 set_bit (FLAG_COMMIT, &ai->flags);
4979 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4980 int v, i = 0;
4981
4982 line += 16;
4983 v = get_dec_u16(line, &i, 3);
4984 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4985 ai->config.longRetryLimit = (u16)v;
4986 set_bit (FLAG_COMMIT, &ai->flags);
4987 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4988 int v, i = 0;
4989
4990 line += 17;
4991 v = get_dec_u16(line, &i, 3);
4992 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4993 ai->config.shortRetryLimit = (u16)v;
4994 set_bit (FLAG_COMMIT, &ai->flags);
4995 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4996 int v, i = 0;
4997
4998 line += 14;
4999 v = get_dec_u16(line, &i, 4);
15db2763 5000 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
1da177e4
LT		 5001 ai->config.rtsThres = (u16)v;
5002 set_bit (FLAG_COMMIT, &ai->flags);
5003 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
5004 int v, i = 0;
5005
5006 line += 16;
5007 v = get_dec_u16(line, &i, 5);
5008 v = (v<0) ? 0 : v;
5009 ai->config.txLifetime = (u16)v;
5010 set_bit (FLAG_COMMIT, &ai->flags);
5011 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
5012 int v, i = 0;
5013
5014 line += 16;
5015 v = get_dec_u16(line, &i, 5);
5016 v = (v<0) ? 0 : v;
5017 ai->config.rxLifetime = (u16)v;
5018 set_bit (FLAG_COMMIT, &ai->flags);
5019 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
5020 ai->config.txDiversity =
5021 (line[13]=='l') ? 1 :
5022 ((line[13]=='r')? 2: 3);
5023 set_bit (FLAG_COMMIT, &ai->flags);
5024 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
5025 ai->config.rxDiversity =
5026 (line[13]=='l') ? 1 :
5027 ((line[13]=='r')? 2: 3);
5028 set_bit (FLAG_COMMIT, &ai->flags);
5029 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
5030 int v, i = 0;
5031
5032 line += 15;
5033 v = get_dec_u16(line, &i, 4);
15db2763 5034 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
1da177e4
LT		 5035 v = v & 0xfffe; /* Make sure its even */
5036 ai->config.fragThresh = (u16)v;
5037 set_bit (FLAG_COMMIT, &ai->flags);
5038 } else if (!strncmp(line, "Modulation: ", 12)) {
5039 line += 12;
5040 switch(*line) {
5041 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
5042 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
5043 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
934d8bf1 5044 default: airo_print_warn(ai->dev->name, "Unknown modulation");
1da177e4
LT		 5045 }
5046 } else if (!strncmp(line, "Preamble: ", 10)) {
5047 line += 10;
5048 switch(*line) {
5049 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
5050 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5051 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
934d8bf1 5052 default: airo_print_warn(ai->dev->name, "Unknown preamble");
1da177e4
LT		 5053 }
5054 } else {
934d8bf1 5055 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
1da177e4
LT		 5056 }
5057 while( line[0] && line[0] != '\n' ) line++;
5058 if ( line[0] ) line++;
5059 }
5060 airo_config_commit(dev, NULL, NULL, NULL);
5061}
5062
5063static char *get_rmode(u16 mode) {
5064 switch(mode&0xff) {
5065 case RXMODE_RFMON: return "rfmon";
5066 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5067 case RXMODE_LANMON: return "lanmon";
5068 }
5069 return "ESS";
5070}
5071
5072static int proc_config_open( struct inode *inode, struct file *file ) {
5073 struct proc_data *data;
5074 struct proc_dir_entry *dp = PDE(inode);
5075 struct net_device *dev = dp->data;
5076 struct airo_info *ai = dev->priv;
5077 int i;
5078
b69a3aa8 5079 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5080 return -ENOMEM;
1da177e4
LT		 5081 data = (struct proc_data *)file->private_data;
5082 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5083 kfree (file->private_data);
5084 return -ENOMEM;
5085 }
b69a3aa8 5086 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5087 kfree (data->rbuffer);
5088 kfree (file->private_data);
5089 return -ENOMEM;
5090 }
1da177e4
LT		 5091 data->maxwritelen = 2048;
5092 data->on_close = proc_config_on_close;
5093
5094 readConfigRid(ai, 1);
5095
5096 i = sprintf( data->rbuffer,
5097 "Mode: %s\n"
5098 "Radio: %s\n"
5099 "NodeName: %-16s\n"
5100 "PowerMode: %s\n"
5101 "DataRates: %d %d %d %d %d %d %d %d\n"
5102 "Channel: %d\n"
5103 "XmitPower: %d\n",
5104 (ai->config.opmode & 0xFF) == 0 ? "adhoc" :
5105 (ai->config.opmode & 0xFF) == 1 ? get_rmode(ai->config.rmode):
5106 (ai->config.opmode & 0xFF) == 2 ? "AP" :
5107 (ai->config.opmode & 0xFF) == 3 ? "AP RPTR" : "Error",
5108 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5109 ai->config.nodeName,
5110 ai->config.powerSaveMode == 0 ? "CAM" :
5111 ai->config.powerSaveMode == 1 ? "PSP" :
5112 ai->config.powerSaveMode == 2 ? "PSPCAM" : "Error",
5113 (int)ai->config.rates[0],
5114 (int)ai->config.rates[1],
5115 (int)ai->config.rates[2],
5116 (int)ai->config.rates[3],
5117 (int)ai->config.rates[4],
5118 (int)ai->config.rates[5],
5119 (int)ai->config.rates[6],
5120 (int)ai->config.rates[7],
5121 (int)ai->config.channelSet,
5122 (int)ai->config.txPower
5123 );
5124 sprintf( data->rbuffer + i,
5125 "LongRetryLimit: %d\n"
5126 "ShortRetryLimit: %d\n"
5127 "RTSThreshold: %d\n"
5128 "TXMSDULifetime: %d\n"
5129 "RXMSDULifetime: %d\n"
5130 "TXDiversity: %s\n"
5131 "RXDiversity: %s\n"
5132 "FragThreshold: %d\n"
5133 "WEP: %s\n"
5134 "Modulation: %s\n"
5135 "Preamble: %s\n",
5136 (int)ai->config.longRetryLimit,
5137 (int)ai->config.shortRetryLimit,
5138 (int)ai->config.rtsThres,
5139 (int)ai->config.txLifetime,
5140 (int)ai->config.rxLifetime,
5141 ai->config.txDiversity == 1 ? "left" :
5142 ai->config.txDiversity == 2 ? "right" : "both",
5143 ai->config.rxDiversity == 1 ? "left" :
5144 ai->config.rxDiversity == 2 ? "right" : "both",
5145 (int)ai->config.fragThresh,
5146 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5147 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5148 ai->config.modulation == 0 ? "default" :
5149 ai->config.modulation == MOD_CCK ? "cck" :
5150 ai->config.modulation == MOD_MOK ? "mok" : "error",
5151 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5152 ai->config.preamble == PREAMBLE_LONG ? "long" :
5153 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5154 );
5155 data->readlen = strlen( data->rbuffer );
5156 return 0;
5157}
5158
5159static void proc_SSID_on_close( struct inode *inode, struct file *file ) {
5160 struct proc_data *data = (struct proc_data *)file->private_data;
5161 struct proc_dir_entry *dp = PDE(inode);
5162 struct net_device *dev = dp->data;
5163 struct airo_info *ai = dev->priv;
5164 SsidRid SSID_rid;
5165 Resp rsp;
5166 int i;
5167 int offset = 0;
5168
5169 if ( !data->writelen ) return;
5170
5171 memset( &SSID_rid, 0, sizeof( SSID_rid ) );
5172
5173 for( i = 0; i < 3; i++ ) {
5174 int j;
5175 for( j = 0; j+offset < data->writelen && j < 32 &&
5176 data->wbuffer[offset+j] != '\n'; j++ ) {
5177 SSID_rid.ssids[i].ssid[j] = data->wbuffer[offset+j];
5178 }
5179 if ( j == 0 ) break;
5180 SSID_rid.ssids[i].len = j;
5181 offset += j;
5182 while( data->wbuffer[offset] != '\n' &&
5183 offset < data->writelen ) offset++;
5184 offset++;
5185 }
5186 if (i)
5187 SSID_rid.len = sizeof(SSID_rid);
5188 disable_MAC(ai, 1);
5189 writeSsidRid(ai, &SSID_rid, 1);
5190 enable_MAC(ai, &rsp, 1);
5191}
5192
77933d72 5193static inline u8 hexVal(char c) {
1da177e4
LT		 5194 if (c>='0' && c<='9') return c -= '0';
5195 if (c>='a' && c<='f') return c -= 'a'-10;
5196 if (c>='A' && c<='F') return c -= 'A'-10;
5197 return 0;
5198}
5199
5200static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5201 struct proc_data *data = (struct proc_data *)file->private_data;
5202 struct proc_dir_entry *dp = PDE(inode);
5203 struct net_device *dev = dp->data;
5204 struct airo_info *ai = dev->priv;
5205 APListRid APList_rid;
5206 Resp rsp;
5207 int i;
5208
5209 if ( !data->writelen ) return;
5210
5211 memset( &APList_rid, 0, sizeof(APList_rid) );
5212 APList_rid.len = sizeof(APList_rid);
5213
5214 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5215 int j;
5216 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5217 switch(j%3) {
5218 case 0:
5219 APList_rid.ap[i][j/3]=
5220 hexVal(data->wbuffer[j+i*6*3])<<4;
5221 break;
5222 case 1:
5223 APList_rid.ap[i][j/3]|=
5224 hexVal(data->wbuffer[j+i*6*3]);
5225 break;
5226 }
5227 }
5228 }
5229 disable_MAC(ai, 1);
5230 writeAPListRid(ai, &APList_rid, 1);
5231 enable_MAC(ai, &rsp, 1);
5232}
5233
5234/* This function wraps PC4500_writerid with a MAC disable */
5235static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5236 int len, int dummy ) {
5237 int rc;
5238 Resp rsp;
5239
5240 disable_MAC(ai, 1);
5241 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5242 enable_MAC(ai, &rsp, 1);
5243 return rc;
5244}
5245
5246/* Returns the length of the key at the index. If index == 0xffff
5247 * the index of the transmit key is returned. If the key doesn't exist,
5248 * -1 will be returned.
5249 */
5250static int get_wep_key(struct airo_info *ai, u16 index) {
5251 WepKeyRid wkr;
5252 int rc;
5253 u16 lastindex;
5254
5255 rc = readWepKeyRid(ai, &wkr, 1, 1);
5256 if (rc == SUCCESS) do {
5257 lastindex = wkr.kindex;
5258 if (wkr.kindex == index) {
5259 if (index == 0xffff) {
5260 return wkr.mac[0];
5261 }
5262 return wkr.klen;
5263 }
5264 readWepKeyRid(ai, &wkr, 0, 1);
5265 } while(lastindex != wkr.kindex);
5266 return -1;
5267}
5268
5269static int set_wep_key(struct airo_info *ai, u16 index,
5270 const char *key, u16 keylen, int perm, int lock ) {
5271 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5272 WepKeyRid wkr;
5273 Resp rsp;
5274
5275 memset(&wkr, 0, sizeof(wkr));
5276 if (keylen == 0) {
5277// We are selecting which key to use
5278 wkr.len = sizeof(wkr);
5279 wkr.kindex = 0xffff;
5280 wkr.mac[0] = (char)index;
1da177e4
LT		 5281 if (perm) ai->defindex = (char)index;
5282 } else {
5283// We are actually setting the key
5284 wkr.len = sizeof(wkr);
5285 wkr.kindex = index;
5286 wkr.klen = keylen;
5287 memcpy( wkr.key, key, keylen );
5288 memcpy( wkr.mac, macaddr, ETH_ALEN );
1da177e4
LT		 5289 }
5290
f89b2321 5291 if (perm) disable_MAC(ai, lock);
1da177e4 5292 writeWepKeyRid(ai, &wkr, perm, lock);
f89b2321 5293 if (perm) enable_MAC(ai, &rsp, lock);
1da177e4
LT		 5294 return 0;
5295}
5296
5297static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5298 struct proc_data *data;
5299 struct proc_dir_entry *dp = PDE(inode);
5300 struct net_device *dev = dp->data;
5301 struct airo_info *ai = dev->priv;
5302 int i;
5303 char key[16];
5304 u16 index = 0;
5305 int j = 0;
5306
5307 memset(key, 0, sizeof(key));
5308
5309 data = (struct proc_data *)file->private_data;
5310 if ( !data->writelen ) return;
5311
5312 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5313 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5314 index = data->wbuffer[0] - '0';
5315 if (data->wbuffer[1] == '\n') {
5316 set_wep_key(ai, index, NULL, 0, 1, 1);
5317 return;
5318 }
5319 j = 2;
5320 } else {
934d8bf1 5321 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
1da177e4
LT		 5322 return;
5323 }
5324
5325 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5326 switch(i%3) {
5327 case 0:
5328 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5329 break;
5330 case 1:
5331 key[i/3] |= hexVal(data->wbuffer[i+j]);
5332 break;
5333 }
5334 }
5335 set_wep_key(ai, index, key, i/3, 1, 1);
5336}
5337
5338static int proc_wepkey_open( struct inode *inode, struct file *file ) {
5339 struct proc_data *data;
5340 struct proc_dir_entry *dp = PDE(inode);
5341 struct net_device *dev = dp->data;
5342 struct airo_info *ai = dev->priv;
5343 char *ptr;
5344 WepKeyRid wkr;
5345 u16 lastindex;
5346 int j=0;
5347 int rc;
5348
b69a3aa8 5349 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5350 return -ENOMEM;
1da177e4
LT		 5351 memset(&wkr, 0, sizeof(wkr));
5352 data = (struct proc_data *)file->private_data;
b69a3aa8 5353 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5354 kfree (file->private_data);
5355 return -ENOMEM;
5356 }
1da177e4
LT		 5357 data->writelen = 0;
5358 data->maxwritelen = 80;
b69a3aa8 5359 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5360 kfree (data->rbuffer);
5361 kfree (file->private_data);
5362 return -ENOMEM;
5363 }
1da177e4
LT		 5364 data->on_close = proc_wepkey_on_close;
5365
5366 ptr = data->rbuffer;
5367 strcpy(ptr, "No wep keys\n");
5368 rc = readWepKeyRid(ai, &wkr, 1, 1);
5369 if (rc == SUCCESS) do {
5370 lastindex = wkr.kindex;
5371 if (wkr.kindex == 0xffff) {
5372 j += sprintf(ptr+j, "Tx key = %d\n",
5373 (int)wkr.mac[0]);
5374 } else {
5375 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5376 (int)wkr.kindex, (int)wkr.klen);
5377 }
5378 readWepKeyRid(ai, &wkr, 0, 1);
5379 } while((lastindex != wkr.kindex) && (j < 180-30));
5380
5381 data->readlen = strlen( data->rbuffer );
5382 return 0;
5383}
5384
5385static int proc_SSID_open( struct inode *inode, struct file *file ) {
5386 struct proc_data *data;
5387 struct proc_dir_entry *dp = PDE(inode);
5388 struct net_device *dev = dp->data;
5389 struct airo_info *ai = dev->priv;
5390 int i;
5391 char *ptr;
5392 SsidRid SSID_rid;
5393
b69a3aa8 5394 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5395 return -ENOMEM;
1da177e4
LT		 5396 data = (struct proc_data *)file->private_data;
5397 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5398 kfree (file->private_data);
5399 return -ENOMEM;
5400 }
5401 data->writelen = 0;
5402 data->maxwritelen = 33*3;
b69a3aa8 5403 if ((data->wbuffer = kzalloc( 33*3, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5404 kfree (data->rbuffer);
5405 kfree (file->private_data);
5406 return -ENOMEM;
5407 }
1da177e4
LT		 5408 data->on_close = proc_SSID_on_close;
5409
5410 readSsidRid(ai, &SSID_rid);
5411 ptr = data->rbuffer;
5412 for( i = 0; i < 3; i++ ) {
5413 int j;
5414 if ( !SSID_rid.ssids[i].len ) break;
5415 for( j = 0; j < 32 &&
5416 j < SSID_rid.ssids[i].len &&
5417 SSID_rid.ssids[i].ssid[j]; j++ ) {
5418 *ptr++ = SSID_rid.ssids[i].ssid[j];
5419 }
5420 *ptr++ = '\n';
5421 }
5422 *ptr = '\0';
5423 data->readlen = strlen( data->rbuffer );
5424 return 0;
5425}
5426
5427static int proc_APList_open( struct inode *inode, struct file *file ) {
5428 struct proc_data *data;
5429 struct proc_dir_entry *dp = PDE(inode);
5430 struct net_device *dev = dp->data;
5431 struct airo_info *ai = dev->priv;
5432 int i;
5433 char *ptr;
5434 APListRid APList_rid;
5435
b69a3aa8 5436 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5437 return -ENOMEM;
1da177e4
LT		 5438 data = (struct proc_data *)file->private_data;
5439 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5440 kfree (file->private_data);
5441 return -ENOMEM;
5442 }
5443 data->writelen = 0;
5444 data->maxwritelen = 4*6*3;
b69a3aa8 5445 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5446 kfree (data->rbuffer);
5447 kfree (file->private_data);
5448 return -ENOMEM;
5449 }
1da177e4
LT		 5450 data->on_close = proc_APList_on_close;
5451
5452 readAPListRid(ai, &APList_rid);
5453 ptr = data->rbuffer;
5454 for( i = 0; i < 4; i++ ) {
5455// We end when we find a zero MAC
5456 if ( !*(int*)APList_rid.ap[i] &&
5457 !*(int*)&APList_rid.ap[i][2]) break;
5458 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x\n",
5459 (int)APList_rid.ap[i][0],
5460 (int)APList_rid.ap[i][1],
5461 (int)APList_rid.ap[i][2],
5462 (int)APList_rid.ap[i][3],
5463 (int)APList_rid.ap[i][4],
5464 (int)APList_rid.ap[i][5]);
5465 }
5466 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5467
5468 *ptr = '\0';
5469 data->readlen = strlen( data->rbuffer );
5470 return 0;
5471}
5472
5473static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5474 struct proc_data *data;
5475 struct proc_dir_entry *dp = PDE(inode);
5476 struct net_device *dev = dp->data;
5477 struct airo_info *ai = dev->priv;
5478 char *ptr;
5479 BSSListRid BSSList_rid;
5480 int rc;
5481 /* If doLoseSync is not 1, we won't do a Lose Sync */
5482 int doLoseSync = -1;
5483
b69a3aa8 5484 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5485 return -ENOMEM;
1da177e4
LT		 5486 data = (struct proc_data *)file->private_data;
5487 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5488 kfree (file->private_data);
5489 return -ENOMEM;
5490 }
5491 data->writelen = 0;
5492 data->maxwritelen = 0;
5493 data->wbuffer = NULL;
5494 data->on_close = NULL;
5495
5496 if (file->f_mode & FMODE_WRITE) {
5497 if (!(file->f_mode & FMODE_READ)) {
5498 Cmd cmd;
5499 Resp rsp;
5500
5501 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5502 memset(&cmd, 0, sizeof(cmd));
5503 cmd.cmd=CMD_LISTBSS;
5504 if (down_interruptible(&ai->sem))
5505 return -ERESTARTSYS;
5506 issuecommand(ai, &cmd, &rsp);
5507 up(&ai->sem);
5508 data->readlen = 0;
5509 return 0;
5510 }
5511 doLoseSync = 1;
5512 }
5513 ptr = data->rbuffer;
5514 /* There is a race condition here if there are concurrent opens.
5515 Since it is a rare condition, we'll just live with it, otherwise
5516 we have to add a spin lock... */
5517 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5518 while(rc == 0 && BSSList_rid.index != 0xffff) {
5519 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x %*s rssi = %d",
5520 (int)BSSList_rid.bssid[0],
5521 (int)BSSList_rid.bssid[1],
5522 (int)BSSList_rid.bssid[2],
5523 (int)BSSList_rid.bssid[3],
5524 (int)BSSList_rid.bssid[4],
5525 (int)BSSList_rid.bssid[5],
5526 (int)BSSList_rid.ssidLen,
5527 BSSList_rid.ssid,
41480af2 5528 (int)BSSList_rid.dBm);
1da177e4
LT		 5529 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5530 (int)BSSList_rid.dsChannel,
5531 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5532 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5533 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5534 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5535 rc = readBSSListRid(ai, 0, &BSSList_rid);
5536 }
5537 *ptr = '\0';
5538 data->readlen = strlen( data->rbuffer );
5539 return 0;
5540}
5541
5542static int proc_close( struct inode *inode, struct file *file )
5543{
b4558ea9
JJ		 5544 struct proc_data *data = file->private_data;
5545
5546 if (data->on_close != NULL)
5547 data->on_close(inode, file);
5548 kfree(data->rbuffer);
5549 kfree(data->wbuffer);
5550 kfree(data);
1da177e4
LT		 5551 return 0;
5552}
5553
1da177e4
LT		 5554/* Since the card doesn't automatically switch to the right WEP mode,
5555 we will make it do it. If the card isn't associated, every secs we
5556 will switch WEP modes to see if that will help. If the card is
5557 associated we will check every minute to see if anything has
5558 changed. */
5559static void timer_func( struct net_device *dev ) {
5560 struct airo_info *apriv = dev->priv;
5561 Resp rsp;
5562
5563/* We don't have a link so try changing the authtype */
5564 readConfigRid(apriv, 0);
5565 disable_MAC(apriv, 0);
5566 switch(apriv->config.authType) {
5567 case AUTH_ENCRYPT:
5568/* So drop to OPEN */
5569 apriv->config.authType = AUTH_OPEN;
5570 break;
5571 case AUTH_SHAREDKEY:
5572 if (apriv->keyindex < auto_wep) {
5573 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5574 apriv->config.authType = AUTH_SHAREDKEY;
5575 apriv->keyindex++;
5576 } else {
5577 /* Drop to ENCRYPT */
5578 apriv->keyindex = 0;
5579 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5580 apriv->config.authType = AUTH_ENCRYPT;
5581 }
5582 break;
5583 default: /* We'll escalate to SHAREDKEY */
5584 apriv->config.authType = AUTH_SHAREDKEY;
5585 }
5586 set_bit (FLAG_COMMIT, &apriv->flags);
5587 writeConfigRid(apriv, 0);
5588 enable_MAC(apriv, &rsp, 0);
5589 up(&apriv->sem);
5590
5591/* Schedule check to see if the change worked */
3c304956 5592 clear_bit(JOB_AUTOWEP, &apriv->jobs);
1da177e4
LT		 5593 apriv->expires = RUN_AT(HZ*3);
5594}
5595
1da177e4
LT		 5596#ifdef CONFIG_PCI
5597static int __devinit airo_pci_probe(struct pci_dev *pdev,
5598 const struct pci_device_id *pent)
5599{
5600 struct net_device *dev;
5601
5602 if (pci_enable_device(pdev))
5603 return -ENODEV;
5604 pci_set_master(pdev);
5605
5606 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5607 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5608 else
5609 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
777ec5e9
MS		 5610 if (!dev) {
5611 pci_disable_device(pdev);
1da177e4 5612 return -ENODEV;
777ec5e9 5613 }
1da177e4
LT		 5614
5615 pci_set_drvdata(pdev, dev);
5616 return 0;
5617}
5618
5619static void __devexit airo_pci_remove(struct pci_dev *pdev)
5620{
af5b5c9a
MS		 5621 struct net_device *dev = pci_get_drvdata(pdev);
5622
5623 airo_print_info(dev->name, "Unregistering...");
5624 stop_airo_card(dev, 1);
777ec5e9
MS		 5625 pci_disable_device(pdev);
5626 pci_set_drvdata(pdev, NULL);
1da177e4
LT		 5627}
5628
05adc3b7 5629static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
1da177e4
LT		 5630{
5631 struct net_device *dev = pci_get_drvdata(pdev);
5632 struct airo_info *ai = dev->priv;
5633 Cmd cmd;
5634 Resp rsp;
5635
5636 if ((ai->APList == NULL) &&
5637 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5638 return -ENOMEM;
5639 if ((ai->SSID == NULL) &&
5640 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5641 return -ENOMEM;
5642 readAPListRid(ai, ai->APList);
5643 readSsidRid(ai, ai->SSID);
5644 memset(&cmd, 0, sizeof(cmd));
5645 /* the lock will be released at the end of the resume callback */
5646 if (down_interruptible(&ai->sem))
5647 return -EAGAIN;
5648 disable_MAC(ai, 0);
5649 netif_device_detach(dev);
5650 ai->power = state;
5651 cmd.cmd=HOSTSLEEP;
5652 issuecommand(ai, &cmd, &rsp);
5653
1cc68ae0 5654 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
1da177e4 5655 pci_save_state(pdev);
1cc68ae0 5656 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
1da177e4
LT		 5657}
5658
5659static int airo_pci_resume(struct pci_dev *pdev)
5660{
5661 struct net_device *dev = pci_get_drvdata(pdev);
5662 struct airo_info *ai = dev->priv;
5663 Resp rsp;
53232803 5664 pci_power_t prev_state = pdev->current_state;
1da177e4 5665
53232803 5666 pci_set_power_state(pdev, PCI_D0);
1da177e4 5667 pci_restore_state(pdev);
53232803 5668 pci_enable_wake(pdev, PCI_D0, 0);
1da177e4 5669
53232803 5670 if (prev_state != PCI_D1) {
1da177e4
LT		 5671 reset_card(dev, 0);
5672 mpi_init_descriptors(ai);
5673 setup_card(ai, dev->dev_addr, 0);
5674 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5675 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5676 } else {
5677 OUT4500(ai, EVACK, EV_AWAKEN);
5678 OUT4500(ai, EVACK, EV_AWAKEN);
5679 msleep(100);
5680 }
5681
5682 set_bit (FLAG_COMMIT, &ai->flags);
5683 disable_MAC(ai, 0);
5684 msleep(200);
5685 if (ai->SSID) {
5686 writeSsidRid(ai, ai->SSID, 0);
5687 kfree(ai->SSID);
5688 ai->SSID = NULL;
5689 }
5690 if (ai->APList) {
5691 writeAPListRid(ai, ai->APList, 0);
5692 kfree(ai->APList);
5693 ai->APList = NULL;
5694 }
5695 writeConfigRid(ai, 0);
5696 enable_MAC(ai, &rsp, 0);
1cc68ae0 5697 ai->power = PMSG_ON;
1da177e4
LT		 5698 netif_device_attach(dev);
5699 netif_wake_queue(dev);
5700 enable_interrupts(ai);
5701 up(&ai->sem);
5702 return 0;
5703}
5704#endif
5705
5706static int __init airo_init_module( void )
5707{
de897881
JG		 5708 int i;
5709#if 0
5710 int have_isa_dev = 0;
5711#endif
1da177e4
LT		 5712
5713 airo_entry = create_proc_entry("aironet",
5714 S_IFDIR | airo_perm,
5715 proc_root_driver);
de897881
JG		 5716
5717 if (airo_entry) {
5718 airo_entry->uid = proc_uid;
5719 airo_entry->gid = proc_gid;
5720 }
1da177e4
LT		 5721
5722 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
934d8bf1
DW		 5723 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5724 "io=0x%x", irq[i], io[i] );
1da177e4 5725 if (init_airo_card( irq[i], io[i], 0, NULL ))
de897881 5726#if 0
1da177e4 5727 have_isa_dev = 1;
de897881
JG		 5728#else
5729 /* do nothing */ ;
5730#endif
1da177e4
LT		 5731 }
5732
5733#ifdef CONFIG_PCI
934d8bf1 5734 airo_print_info("", "Probing for PCI adapters");
de897881 5735 i = pci_register_driver(&airo_driver);
934d8bf1 5736 airo_print_info("", "Finished probing for PCI adapters");
de897881
JG		 5737
5738 if (i) {
5739 remove_proc_entry("aironet", proc_root_driver);
5740 return i;
5741 }
1da177e4
LT		 5742#endif
5743
5744 /* Always exit with success, as we are a library module
5745 * as well as a driver module
5746 */
5747 return 0;
5748}
5749
5750static void __exit airo_cleanup_module( void )
5751{
af5b5c9a
MS		 5752 struct airo_info *ai;
5753 while(!list_empty(&airo_devices)) {
5754 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5755 airo_print_info(ai->dev->name, "Unregistering...");
5756 stop_airo_card(ai->dev, 1);
1da177e4
LT		 5757 }
5758#ifdef CONFIG_PCI
5759 pci_unregister_driver(&airo_driver);
5760#endif
5761 remove_proc_entry("aironet", proc_root_driver);
5762}
5763
1da177e4
LT		 5764/*
5765 * Initial Wireless Extension code for Aironet driver by :
5766 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5767 * Conversion to new driver API by :
5768 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5769 * Javier also did a good amount of work here, adding some new extensions
5770 * and fixing my code. Let's just say that without him this code just
5771 * would not work at all... - Jean II
5772 */
5773
41480af2
DW		 5774static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5775{
5776 if( !rssi_rid )
5777 return 0;
5778
5779 return (0x100 - rssi_rid[rssi].rssidBm);
5780}
5781
5782static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5783{
5784 int i;
5785
5786 if( !rssi_rid )
5787 return 0;
5788
5789 for( i = 0; i < 256; i++ )
5790 if (rssi_rid[i].rssidBm == dbm)
5791 return rssi_rid[i].rssipct;
5792
5793 return 0;
5794}
5795
5796
1da177e4
LT		 5797static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5798{
5799 int quality = 0;
5800
5801 if ((status_rid->mode & 0x3f) == 0x3f && (cap_rid->hardCap & 8)) {
5802 if (memcmp(cap_rid->prodName, "350", 3))
5803 if (status_rid->signalQuality > 0x20)
5804 quality = 0;
5805 else
5806 quality = 0x20 - status_rid->signalQuality;
5807 else
5808 if (status_rid->signalQuality > 0xb0)
5809 quality = 0;
5810 else if (status_rid->signalQuality < 0x10)
5811 quality = 0xa0;
5812 else
5813 quality = 0xb0 - status_rid->signalQuality;
5814 }
5815 return quality;
5816}
5817
5818#define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5819#define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5820
5821/*------------------------------------------------------------------*/
5822/*
5823 * Wireless Handler : get protocol name
5824 */
5825static int airo_get_name(struct net_device *dev,
5826 struct iw_request_info *info,
5827 char *cwrq,
5828 char *extra)
5829{
5830 strcpy(cwrq, "IEEE 802.11-DS");
5831 return 0;
5832}
5833
5834/*------------------------------------------------------------------*/
5835/*
5836 * Wireless Handler : set frequency
5837 */
5838static int airo_set_freq(struct net_device *dev,
5839 struct iw_request_info *info,
5840 struct iw_freq *fwrq,
5841 char *extra)
5842{
5843 struct airo_info *local = dev->priv;
5844 int rc = -EINPROGRESS; /* Call commit handler */
5845
5846 /* If setting by frequency, convert to a channel */
5847 if((fwrq->e == 1) &&
5848 (fwrq->m >= (int) 2.412e8) &&
5849 (fwrq->m <= (int) 2.487e8)) {
5850 int f = fwrq->m / 100000;
5851 int c = 0;
5852 while((c < 14) && (f != frequency_list[c]))
5853 c++;
5854 /* Hack to fall through... */
5855 fwrq->e = 0;
5856 fwrq->m = c + 1;
5857 }
5858 /* Setting by channel number */
5859 if((fwrq->m > 1000) || (fwrq->e > 0))
5860 rc = -EOPNOTSUPP;
5861 else {
5862 int channel = fwrq->m;
5863 /* We should do a better check than that,
5864 * based on the card capability !!! */
2610c733 5865 if((channel < 1) || (channel > 14)) {
934d8bf1
DW		 5866 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5867 fwrq->m);
1da177e4
LT		 5868 rc = -EINVAL;
5869 } else {
5870 readConfigRid(local, 1);
5871 /* Yes ! We can set it !!! */
2610c733 5872 local->config.channelSet = (u16) channel;
1da177e4
LT		 5873 set_bit (FLAG_COMMIT, &local->flags);
5874 }
5875 }
5876 return rc;
5877}
5878
5879/*------------------------------------------------------------------*/
5880/*
5881 * Wireless Handler : get frequency
5882 */
5883static int airo_get_freq(struct net_device *dev,
5884 struct iw_request_info *info,
5885 struct iw_freq *fwrq,
5886 char *extra)
5887{
5888 struct airo_info *local = dev->priv;
5889 StatusRid status_rid; /* Card status info */
2610c733 5890 int ch;
1da177e4
LT		 5891
5892 readConfigRid(local, 1);
5893 if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
5894 status_rid.channel = local->config.channelSet;
5895 else
5896 readStatusRid(local, &status_rid, 1);
5897
2610c733
JA		 5898 ch = (int)status_rid.channel;
5899 if((ch > 0) && (ch < 15)) {
5900 fwrq->m = frequency_list[ch - 1] * 100000;
1da177e4 5901 fwrq->e = 1;
2610c733
JA		 5902 } else {
5903 fwrq->m = ch;
5904 fwrq->e = 0;
1da177e4 5905 }
1da177e4
LT		 5906
5907 return 0;
5908}
5909
5910/*------------------------------------------------------------------*/
5911/*
5912 * Wireless Handler : set ESSID
5913 */
5914static int airo_set_essid(struct net_device *dev,
5915 struct iw_request_info *info,
5916 struct iw_point *dwrq,
5917 char *extra)
5918{
5919 struct airo_info *local = dev->priv;
5920 Resp rsp;
5921 SsidRid SSID_rid; /* SSIDs */
5922
5923 /* Reload the list of current SSID */
5924 readSsidRid(local, &SSID_rid);
5925
5926 /* Check if we asked for `any' */
5927 if(dwrq->flags == 0) {
5928 /* Just send an empty SSID list */
5929 memset(&SSID_rid, 0, sizeof(SSID_rid));
5930 } else {
5931 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5932
5933 /* Check the size of the string */
7f8544cc 5934 if(dwrq->length > IW_ESSID_MAX_SIZE) {
1da177e4
LT		 5935 return -E2BIG ;
5936 }
5937 /* Check if index is valid */
5938 if((index < 0) || (index >= 4)) {
5939 return -EINVAL;
5940 }
5941
5942 /* Set the SSID */
5943 memset(SSID_rid.ssids[index].ssid, 0,
5944 sizeof(SSID_rid.ssids[index].ssid));
5945 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
7f8544cc 5946 SSID_rid.ssids[index].len = dwrq->length;
1da177e4
LT		 5947 }
5948 SSID_rid.len = sizeof(SSID_rid);
5949 /* Write it to the card */
5950 disable_MAC(local, 1);
5951 writeSsidRid(local, &SSID_rid, 1);
5952 enable_MAC(local, &rsp, 1);
5953
5954 return 0;
5955}
5956
5957/*------------------------------------------------------------------*/
5958/*
5959 * Wireless Handler : get ESSID
5960 */
5961static int airo_get_essid(struct net_device *dev,
5962 struct iw_request_info *info,
5963 struct iw_point *dwrq,
5964 char *extra)
5965{
5966 struct airo_info *local = dev->priv;
5967 StatusRid status_rid; /* Card status info */
5968
5969 readStatusRid(local, &status_rid, 1);
5970
5971 /* Note : if dwrq->flags != 0, we should
5972 * get the relevant SSID from the SSID list... */
5973
5974 /* Get the current SSID */
5975 memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
1da177e4
LT		 5976 /* If none, we may want to get the one that was set */
5977
5978 /* Push it out ! */
d6a13a24 5979 dwrq->length = status_rid.SSIDlen;
1da177e4
LT		 5980 dwrq->flags = 1; /* active */
5981
5982 return 0;
5983}
5984
5985/*------------------------------------------------------------------*/
5986/*
5987 * Wireless Handler : set AP address
5988 */
5989static int airo_set_wap(struct net_device *dev,
5990 struct iw_request_info *info,
5991 struct sockaddr *awrq,
5992 char *extra)
5993{
5994 struct airo_info *local = dev->priv;
5995 Cmd cmd;
5996 Resp rsp;
5997 APListRid APList_rid;
4be757dd
DW		 5998 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5999 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
1da177e4
LT		 6000
6001 if (awrq->sa_family != ARPHRD_ETHER)
6002 return -EINVAL;
4be757dd
DW		 6003 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
6004 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
1da177e4
LT		 6005 memset(&cmd, 0, sizeof(cmd));
6006 cmd.cmd=CMD_LOSE_SYNC;
6007 if (down_interruptible(&local->sem))
6008 return -ERESTARTSYS;
6009 issuecommand(local, &cmd, &rsp);
6010 up(&local->sem);
6011 } else {
6012 memset(&APList_rid, 0, sizeof(APList_rid));
6013 APList_rid.len = sizeof(APList_rid);
6014 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
6015 disable_MAC(local, 1);
6016 writeAPListRid(local, &APList_rid, 1);
6017 enable_MAC(local, &rsp, 1);
6018 }
6019 return 0;
6020}
6021
6022/*------------------------------------------------------------------*/
6023/*
6024 * Wireless Handler : get AP address
6025 */
6026static int airo_get_wap(struct net_device *dev,
6027 struct iw_request_info *info,
6028 struct sockaddr *awrq,
6029 char *extra)
6030{
6031 struct airo_info *local = dev->priv;
6032 StatusRid status_rid; /* Card status info */
6033
6034 readStatusRid(local, &status_rid, 1);
6035
6036 /* Tentative. This seems to work, wow, I'm lucky !!! */
6037 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6038 awrq->sa_family = ARPHRD_ETHER;
6039
6040 return 0;
6041}
6042
6043/*------------------------------------------------------------------*/
6044/*
6045 * Wireless Handler : set Nickname
6046 */
6047static int airo_set_nick(struct net_device *dev,
6048 struct iw_request_info *info,
6049 struct iw_point *dwrq,
6050 char *extra)
6051{
6052 struct airo_info *local = dev->priv;
6053
6054 /* Check the size of the string */
7f8544cc 6055 if(dwrq->length > 16) {
1da177e4
LT		 6056 return -E2BIG;
6057 }
6058 readConfigRid(local, 1);
6059 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6060 memcpy(local->config.nodeName, extra, dwrq->length);
6061 set_bit (FLAG_COMMIT, &local->flags);
6062
6063 return -EINPROGRESS; /* Call commit handler */
6064}
6065
6066/*------------------------------------------------------------------*/
6067/*
6068 * Wireless Handler : get Nickname
6069 */
6070static int airo_get_nick(struct net_device *dev,
6071 struct iw_request_info *info,
6072 struct iw_point *dwrq,
6073 char *extra)
6074{
6075 struct airo_info *local = dev->priv;
6076
6077 readConfigRid(local, 1);
6078 strncpy(extra, local->config.nodeName, 16);
6079 extra[16] = '\0';
7f8544cc 6080 dwrq->length = strlen(extra);
1da177e4
LT		 6081
6082 return 0;
6083}
6084
6085/*------------------------------------------------------------------*/
6086/*
6087 * Wireless Handler : set Bit-Rate
6088 */
6089static int airo_set_rate(struct net_device *dev,
6090 struct iw_request_info *info,
6091 struct iw_param *vwrq,
6092 char *extra)
6093{
6094 struct airo_info *local = dev->priv;
6095 CapabilityRid cap_rid; /* Card capability info */
6096 u8 brate = 0;
6097 int i;
6098
6099 /* First : get a valid bit rate value */
6100 readCapabilityRid(local, &cap_rid, 1);
6101
6102 /* Which type of value ? */
6103 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6104 /* Setting by rate index */
6105 /* Find value in the magic rate table */
6106 brate = cap_rid.supportedRates[vwrq->value];
6107 } else {
6108 /* Setting by frequency value */
6109 u8 normvalue = (u8) (vwrq->value/500000);
6110
6111 /* Check if rate is valid */
6112 for(i = 0 ; i < 8 ; i++) {
6113 if(normvalue == cap_rid.supportedRates[i]) {
6114 brate = normvalue;
6115 break;
6116 }
6117 }
6118 }
6119 /* -1 designed the max rate (mostly auto mode) */
6120 if(vwrq->value == -1) {
6121 /* Get the highest available rate */
6122 for(i = 0 ; i < 8 ; i++) {
6123 if(cap_rid.supportedRates[i] == 0)
6124 break;
6125 }
6126 if(i != 0)
6127 brate = cap_rid.supportedRates[i - 1];
6128 }
6129 /* Check that it is valid */
6130 if(brate == 0) {
6131 return -EINVAL;
6132 }
6133
6134 readConfigRid(local, 1);
6135 /* Now, check if we want a fixed or auto value */
6136 if(vwrq->fixed == 0) {
6137 /* Fill all the rates up to this max rate */
6138 memset(local->config.rates, 0, 8);
6139 for(i = 0 ; i < 8 ; i++) {
6140 local->config.rates[i] = cap_rid.supportedRates[i];
6141 if(local->config.rates[i] == brate)
6142 break;
6143 }
6144 } else {
6145 /* Fixed mode */
6146 /* One rate, fixed */
6147 memset(local->config.rates, 0, 8);
6148 local->config.rates[0] = brate;
6149 }
6150 set_bit (FLAG_COMMIT, &local->flags);
6151
6152 return -EINPROGRESS; /* Call commit handler */
6153}
6154
6155/*------------------------------------------------------------------*/
6156/*
6157 * Wireless Handler : get Bit-Rate
6158 */
6159static int airo_get_rate(struct net_device *dev,
6160 struct iw_request_info *info,
6161 struct iw_param *vwrq,
6162 char *extra)
6163{
6164 struct airo_info *local = dev->priv;
6165 StatusRid status_rid; /* Card status info */
6166
6167 readStatusRid(local, &status_rid, 1);
6168
6169 vwrq->value = status_rid.currentXmitRate * 500000;
6170 /* If more than one rate, set auto */
6171 readConfigRid(local, 1);
6172 vwrq->fixed = (local->config.rates[1] == 0);
6173
6174 return 0;
6175}
6176
6177/*------------------------------------------------------------------*/
6178/*
6179 * Wireless Handler : set RTS threshold
6180 */
6181static int airo_set_rts(struct net_device *dev,
6182 struct iw_request_info *info,
6183 struct iw_param *vwrq,
6184 char *extra)
6185{
6186 struct airo_info *local = dev->priv;
6187 int rthr = vwrq->value;
6188
6189 if(vwrq->disabled)
15db2763
DW		 6190 rthr = AIRO_DEF_MTU;
6191 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
1da177e4
LT		 6192 return -EINVAL;
6193 }
6194 readConfigRid(local, 1);
6195 local->config.rtsThres = rthr;
6196 set_bit (FLAG_COMMIT, &local->flags);
6197
6198 return -EINPROGRESS; /* Call commit handler */
6199}
6200
6201/*------------------------------------------------------------------*/
6202/*
6203 * Wireless Handler : get RTS threshold
6204 */
6205static int airo_get_rts(struct net_device *dev,
6206 struct iw_request_info *info,
6207 struct iw_param *vwrq,
6208 char *extra)
6209{
6210 struct airo_info *local = dev->priv;
6211
6212 readConfigRid(local, 1);
6213 vwrq->value = local->config.rtsThres;
15db2763 6214 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
1da177e4
LT		 6215 vwrq->fixed = 1;
6216
6217 return 0;
6218}
6219
6220/*------------------------------------------------------------------*/
6221/*
6222 * Wireless Handler : set Fragmentation threshold
6223 */
6224static int airo_set_frag(struct net_device *dev,
6225 struct iw_request_info *info,
6226 struct iw_param *vwrq,
6227 char *extra)
6228{
6229 struct airo_info *local = dev->priv;
6230 int fthr = vwrq->value;
6231
6232 if(vwrq->disabled)
15db2763
DW		 6233 fthr = AIRO_DEF_MTU;
6234 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
1da177e4
LT		 6235 return -EINVAL;
6236 }
6237 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6238 readConfigRid(local, 1);
6239 local->config.fragThresh = (u16)fthr;
6240 set_bit (FLAG_COMMIT, &local->flags);
6241
6242 return -EINPROGRESS; /* Call commit handler */
6243}
6244
6245/*------------------------------------------------------------------*/
6246/*
6247 * Wireless Handler : get Fragmentation threshold
6248 */
6249static int airo_get_frag(struct net_device *dev,
6250 struct iw_request_info *info,
6251 struct iw_param *vwrq,
6252 char *extra)
6253{
6254 struct airo_info *local = dev->priv;
6255
6256 readConfigRid(local, 1);
6257 vwrq->value = local->config.fragThresh;
15db2763 6258 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
1da177e4
LT		 6259 vwrq->fixed = 1;
6260
6261 return 0;
6262}
6263
6264/*------------------------------------------------------------------*/
6265/*
6266 * Wireless Handler : set Mode of Operation
6267 */
6268static int airo_set_mode(struct net_device *dev,
6269 struct iw_request_info *info,
6270 __u32 *uwrq,
6271 char *extra)
6272{
6273 struct airo_info *local = dev->priv;
6274 int reset = 0;
6275
6276 readConfigRid(local, 1);
6277 if ((local->config.rmode & 0xff) >= RXMODE_RFMON)
6278 reset = 1;
6279
6280 switch(*uwrq) {
6281 case IW_MODE_ADHOC:
6282 local->config.opmode &= 0xFF00;
6283 local->config.opmode |= MODE_STA_IBSS;
6284 local->config.rmode &= 0xfe00;
6285 local->config.scanMode = SCANMODE_ACTIVE;
6286 clear_bit (FLAG_802_11, &local->flags);
6287 break;
6288 case IW_MODE_INFRA:
6289 local->config.opmode &= 0xFF00;
6290 local->config.opmode |= MODE_STA_ESS;
6291 local->config.rmode &= 0xfe00;
6292 local->config.scanMode = SCANMODE_ACTIVE;
6293 clear_bit (FLAG_802_11, &local->flags);
6294 break;
6295 case IW_MODE_MASTER:
6296 local->config.opmode &= 0xFF00;
6297 local->config.opmode |= MODE_AP;
6298 local->config.rmode &= 0xfe00;
6299 local->config.scanMode = SCANMODE_ACTIVE;
6300 clear_bit (FLAG_802_11, &local->flags);
6301 break;
6302 case IW_MODE_REPEAT:
6303 local->config.opmode &= 0xFF00;
6304 local->config.opmode |= MODE_AP_RPTR;
6305 local->config.rmode &= 0xfe00;
6306 local->config.scanMode = SCANMODE_ACTIVE;
6307 clear_bit (FLAG_802_11, &local->flags);
6308 break;
6309 case IW_MODE_MONITOR:
6310 local->config.opmode &= 0xFF00;
6311 local->config.opmode |= MODE_STA_ESS;
6312 local->config.rmode &= 0xfe00;
6313 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6314 local->config.scanMode = SCANMODE_PASSIVE;
6315 set_bit (FLAG_802_11, &local->flags);
6316 break;
6317 default:
6318 return -EINVAL;
6319 }
6320 if (reset)
6321 set_bit (FLAG_RESET, &local->flags);
6322 set_bit (FLAG_COMMIT, &local->flags);
6323
6324 return -EINPROGRESS; /* Call commit handler */
6325}
6326
6327/*------------------------------------------------------------------*/
6328/*
6329 * Wireless Handler : get Mode of Operation
6330 */
6331static int airo_get_mode(struct net_device *dev,
6332 struct iw_request_info *info,
6333 __u32 *uwrq,
6334 char *extra)
6335{
6336 struct airo_info *local = dev->priv;
6337
6338 readConfigRid(local, 1);
6339 /* If not managed, assume it's ad-hoc */
6340 switch (local->config.opmode & 0xFF) {
6341 case MODE_STA_ESS:
6342 *uwrq = IW_MODE_INFRA;
6343 break;
6344 case MODE_AP:
6345 *uwrq = IW_MODE_MASTER;
6346 break;
6347 case MODE_AP_RPTR:
6348 *uwrq = IW_MODE_REPEAT;
6349 break;
6350 default:
6351 *uwrq = IW_MODE_ADHOC;
6352 }
6353
6354 return 0;
6355}
6356
6357/*------------------------------------------------------------------*/
6358/*
6359 * Wireless Handler : set Encryption Key
6360 */
6361static int airo_set_encode(struct net_device *dev,
6362 struct iw_request_info *info,
6363 struct iw_point *dwrq,
6364 char *extra)
6365{
6366 struct airo_info *local = dev->priv;
6367 CapabilityRid cap_rid; /* Card capability info */
f89b2321
DS		 6368 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6369 u16 currentAuthType = local->config.authType;
1da177e4
LT		 6370
6371 /* Is WEP supported ? */
6372 readCapabilityRid(local, &cap_rid, 1);
6373 /* Older firmware doesn't support this...
6374 if(!(cap_rid.softCap & 2)) {
6375 return -EOPNOTSUPP;
6376 } */
6377 readConfigRid(local, 1);
6378
6379 /* Basic checking: do we have a key to set ?
6380 * Note : with the new API, it's impossible to get a NULL pointer.
6381 * Therefore, we need to check a key size == 0 instead.
6382 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6383 * when no key is present (only change flags), but older versions
6384 * don't do it. - Jean II */
6385 if (dwrq->length > 0) {
6386 wep_key_t key;
6387 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6388 int current_index = get_wep_key(local, 0xffff);
6389 /* Check the size of the key */
6390 if (dwrq->length > MAX_KEY_SIZE) {
6391 return -EINVAL;
6392 }
6393 /* Check the index (none -> use current) */
6394 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4:1)))
6395 index = current_index;
6396 /* Set the length */
6397 if (dwrq->length > MIN_KEY_SIZE)
6398 key.len = MAX_KEY_SIZE;
6399 else
6400 if (dwrq->length > 0)
6401 key.len = MIN_KEY_SIZE;
6402 else
6403 /* Disable the key */
6404 key.len = 0;
6405 /* Check if the key is not marked as invalid */
6406 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6407 /* Cleanup */
6408 memset(key.key, 0, MAX_KEY_SIZE);
6409 /* Copy the key in the driver */
6410 memcpy(key.key, extra, dwrq->length);
6411 /* Send the key to the card */
f89b2321 6412 set_wep_key(local, index, key.key, key.len, perm, 1);
1da177e4
LT		 6413 }
6414 /* WE specify that if a valid key is set, encryption
6415 * should be enabled (user may turn it off later)
6416 * This is also how "iwconfig ethX key on" works */
6417 if((index == current_index) && (key.len > 0) &&
6418 (local->config.authType == AUTH_OPEN)) {
6419 local->config.authType = AUTH_ENCRYPT;
1da177e4
LT		 6420 }
6421 } else {
6422 /* Do we want to just set the transmit key index ? */
6423 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6424 if ((index >= 0) && (index < ((cap_rid.softCap & 0x80)?4:1))) {
f89b2321 6425 set_wep_key(local, index, NULL, 0, perm, 1);
1da177e4
LT		 6426 } else
6427 /* Don't complain if only change the mode */
6428 if(!dwrq->flags & IW_ENCODE_MODE) {
6429 return -EINVAL;
6430 }
6431 }
6432 /* Read the flags */
6433 if(dwrq->flags & IW_ENCODE_DISABLED)
6434 local->config.authType = AUTH_OPEN; // disable encryption
6435 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6436 local->config.authType = AUTH_SHAREDKEY; // Only Both
6437 if(dwrq->flags & IW_ENCODE_OPEN)
6438 local->config.authType = AUTH_ENCRYPT; // Only Wep
6439 /* Commit the changes to flags if needed */
f89b2321 6440 if (local->config.authType != currentAuthType)
1da177e4
LT		 6441 set_bit (FLAG_COMMIT, &local->flags);
6442 return -EINPROGRESS; /* Call commit handler */
6443}
6444
6445/*------------------------------------------------------------------*/
6446/*
6447 * Wireless Handler : get Encryption Key
6448 */
6449static int airo_get_encode(struct net_device *dev,
6450 struct iw_request_info *info,
6451 struct iw_point *dwrq,
6452 char *extra)
6453{
6454 struct airo_info *local = dev->priv;
6455 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6456 CapabilityRid cap_rid; /* Card capability info */
6457
6458 /* Is it supported ? */
6459 readCapabilityRid(local, &cap_rid, 1);
6460 if(!(cap_rid.softCap & 2)) {
6461 return -EOPNOTSUPP;
6462 }
6463 readConfigRid(local, 1);
6464 /* Check encryption mode */
6465 switch(local->config.authType) {
6466 case AUTH_ENCRYPT:
6467 dwrq->flags = IW_ENCODE_OPEN;
6468 break;
6469 case AUTH_SHAREDKEY:
6470 dwrq->flags = IW_ENCODE_RESTRICTED;
6471 break;
6472 default:
6473 case AUTH_OPEN:
6474 dwrq->flags = IW_ENCODE_DISABLED;
6475 break;
6476 }
6477 /* We can't return the key, so set the proper flag and return zero */
6478 dwrq->flags |= IW_ENCODE_NOKEY;
6479 memset(extra, 0, 16);
6480
6481 /* Which key do we want ? -1 -> tx index */
6482 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4 : 1)))
6483 index = get_wep_key(local, 0xffff);
6484 dwrq->flags |= index + 1;
6485 /* Copy the key to the user buffer */
6486 dwrq->length = get_wep_key(local, index);
6487 if (dwrq->length > 16) {
6488 dwrq->length=0;
6489 }
6490 return 0;
6491}
6492
4be757dd
DW		 6493/*------------------------------------------------------------------*/
6494/*
6495 * Wireless Handler : set extended Encryption parameters
6496 */
6497static int airo_set_encodeext(struct net_device *dev,
6498 struct iw_request_info *info,
6499 union iwreq_data *wrqu,
6500 char *extra)
6501{
6502 struct airo_info *local = dev->priv;
6503 struct iw_point *encoding = &wrqu->encoding;
6504 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6505 CapabilityRid cap_rid; /* Card capability info */
6506 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6507 u16 currentAuthType = local->config.authType;
22d8846e 6508 int idx, key_len, alg = ext->alg, set_key = 1;
4be757dd
DW		 6509 wep_key_t key;
6510
6511 /* Is WEP supported ? */
6512 readCapabilityRid(local, &cap_rid, 1);
6513 /* Older firmware doesn't support this...
6514 if(!(cap_rid.softCap & 2)) {
6515 return -EOPNOTSUPP;
6516 } */
6517 readConfigRid(local, 1);
6518
6519 /* Determine and validate the key index */
6520 idx = encoding->flags & IW_ENCODE_INDEX;
6521 if (idx) {
6522 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6523 return -EINVAL;
6524 idx--;
6525 } else
6526 idx = get_wep_key(local, 0xffff);
6527
6528 if (encoding->flags & IW_ENCODE_DISABLED)
6529 alg = IW_ENCODE_ALG_NONE;
6530
4be757dd 6531 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
22d8846e
DW		 6532 /* Only set transmit key index here, actual
6533 * key is set below if needed.
6534 */
4be757dd 6535 set_wep_key(local, idx, NULL, 0, perm, 1);
22d8846e
DW		 6536 set_key = ext->key_len > 0 ? 1 : 0;
6537 }
6538
6539 if (set_key) {
4be757dd
DW		 6540 /* Set the requested key first */
6541 memset(key.key, 0, MAX_KEY_SIZE);
6542 switch (alg) {
6543 case IW_ENCODE_ALG_NONE:
6544 key.len = 0;
6545 break;
6546 case IW_ENCODE_ALG_WEP:
6547 if (ext->key_len > MIN_KEY_SIZE) {
6548 key.len = MAX_KEY_SIZE;
6549 } else if (ext->key_len > 0) {
6550 key.len = MIN_KEY_SIZE;
6551 } else {
6552 return -EINVAL;
6553 }
6554 key_len = min (ext->key_len, key.len);
6555 memcpy(key.key, ext->key, key_len);
6556 break;
6557 default:
6558 return -EINVAL;
6559 }
6560 /* Send the key to the card */
6561 set_wep_key(local, idx, key.key, key.len, perm, 1);
6562 }
6563
6564 /* Read the flags */
6565 if(encoding->flags & IW_ENCODE_DISABLED)
6566 local->config.authType = AUTH_OPEN; // disable encryption
6567 if(encoding->flags & IW_ENCODE_RESTRICTED)
6568 local->config.authType = AUTH_SHAREDKEY; // Only Both
6569 if(encoding->flags & IW_ENCODE_OPEN)
6570 local->config.authType = AUTH_ENCRYPT; // Only Wep
6571 /* Commit the changes to flags if needed */
6572 if (local->config.authType != currentAuthType)
6573 set_bit (FLAG_COMMIT, &local->flags);
6574
6575 return -EINPROGRESS;
6576}
6577
6578
6579/*------------------------------------------------------------------*/
6580/*
6581 * Wireless Handler : get extended Encryption parameters
6582 */
6583static int airo_get_encodeext(struct net_device *dev,
6584 struct iw_request_info *info,
6585 union iwreq_data *wrqu,
6586 char *extra)
6587{
6588 struct airo_info *local = dev->priv;
6589 struct iw_point *encoding = &wrqu->encoding;
6590 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6591 CapabilityRid cap_rid; /* Card capability info */
6592 int idx, max_key_len;
6593
6594 /* Is it supported ? */
6595 readCapabilityRid(local, &cap_rid, 1);
6596 if(!(cap_rid.softCap & 2)) {
6597 return -EOPNOTSUPP;
6598 }
6599 readConfigRid(local, 1);
6600
6601 max_key_len = encoding->length - sizeof(*ext);
6602 if (max_key_len < 0)
6603 return -EINVAL;
6604
6605 idx = encoding->flags & IW_ENCODE_INDEX;
6606 if (idx) {
6607 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6608 return -EINVAL;
6609 idx--;
6610 } else
6611 idx = get_wep_key(local, 0xffff);
6612
6613 encoding->flags = idx + 1;
6614 memset(ext, 0, sizeof(*ext));
6615
6616 /* Check encryption mode */
6617 switch(local->config.authType) {
6618 case AUTH_ENCRYPT:
6619 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6620 break;
6621 case AUTH_SHAREDKEY:
6622 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6623 break;
6624 default:
6625 case AUTH_OPEN:
6626 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6627 break;
6628 }
6629 /* We can't return the key, so set the proper flag and return zero */
6630 encoding->flags |= IW_ENCODE_NOKEY;
6631 memset(extra, 0, 16);
6632
6633 /* Copy the key to the user buffer */
6634 ext->key_len = get_wep_key(local, idx);
6635 if (ext->key_len > 16) {
6636 ext->key_len=0;
6637 }
6638
6639 return 0;
6640}
6641
6642
6643/*------------------------------------------------------------------*/
6644/*
6645 * Wireless Handler : set extended authentication parameters
6646 */
6647static int airo_set_auth(struct net_device *dev,
6648 struct iw_request_info *info,
6649 union iwreq_data *wrqu, char *extra)
6650{
6651 struct airo_info *local = dev->priv;
6652 struct iw_param *param = &wrqu->param;
6653 u16 currentAuthType = local->config.authType;
6654
6655 switch (param->flags & IW_AUTH_INDEX) {
6656 case IW_AUTH_WPA_VERSION:
6657 case IW_AUTH_CIPHER_PAIRWISE:
6658 case IW_AUTH_CIPHER_GROUP:
6659 case IW_AUTH_KEY_MGMT:
6660 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6661 case IW_AUTH_PRIVACY_INVOKED:
6662 /*
6663 * airo does not use these parameters
6664 */
6665 break;
6666
6667 case IW_AUTH_DROP_UNENCRYPTED:
6668 if (param->value) {
6669 /* Only change auth type if unencrypted */
6670 if (currentAuthType == AUTH_OPEN)
6671 local->config.authType = AUTH_ENCRYPT;
6672 } else {
6673 local->config.authType = AUTH_OPEN;
6674 }
6675
6676 /* Commit the changes to flags if needed */
6677 if (local->config.authType != currentAuthType)
6678 set_bit (FLAG_COMMIT, &local->flags);
6679 break;
6680
6681 case IW_AUTH_80211_AUTH_ALG: {
6682 /* FIXME: What about AUTH_OPEN? This API seems to
6683 * disallow setting our auth to AUTH_OPEN.
6684 */
6685 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6686 local->config.authType = AUTH_SHAREDKEY;
6687 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6688 local->config.authType = AUTH_ENCRYPT;
6689 } else
6690 return -EINVAL;
6691 break;
6692
6693 /* Commit the changes to flags if needed */
6694 if (local->config.authType != currentAuthType)
6695 set_bit (FLAG_COMMIT, &local->flags);
6696 }
6697
6698 case IW_AUTH_WPA_ENABLED:
6699 /* Silently accept disable of WPA */
6700 if (param->value > 0)
6701 return -EOPNOTSUPP;
6702 break;
6703
6704 default:
6705 return -EOPNOTSUPP;
6706 }
6707 return -EINPROGRESS;
6708}
6709
6710
6711/*------------------------------------------------------------------*/
6712/*
6713 * Wireless Handler : get extended authentication parameters
6714 */
6715static int airo_get_auth(struct net_device *dev,
6716 struct iw_request_info *info,
6717 union iwreq_data *wrqu, char *extra)
6718{
6719 struct airo_info *local = dev->priv;
6720 struct iw_param *param = &wrqu->param;
6721 u16 currentAuthType = local->config.authType;
6722
6723 switch (param->flags & IW_AUTH_INDEX) {
6724 case IW_AUTH_DROP_UNENCRYPTED:
6725 switch (currentAuthType) {
6726 case AUTH_SHAREDKEY:
6727 case AUTH_ENCRYPT:
6728 param->value = 1;
6729 break;
6730 default:
6731 param->value = 0;
6732 break;
6733 }
6734 break;
6735
6736 case IW_AUTH_80211_AUTH_ALG:
6737 switch (currentAuthType) {
6738 case AUTH_SHAREDKEY:
6739 param->value = IW_AUTH_ALG_SHARED_KEY;
6740 break;
6741 case AUTH_ENCRYPT:
6742 default:
6743 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6744 break;
6745 }
6746 break;
6747
6748 case IW_AUTH_WPA_ENABLED:
6749 param->value = 0;
6750 break;
6751
6752 default:
6753 return -EOPNOTSUPP;
6754 }
6755 return 0;
6756}
6757
6758
1da177e4
LT		 6759/*------------------------------------------------------------------*/
6760/*
6761 * Wireless Handler : set Tx-Power
6762 */
6763static int airo_set_txpow(struct net_device *dev,
6764 struct iw_request_info *info,
6765 struct iw_param *vwrq,
6766 char *extra)
6767{
6768 struct airo_info *local = dev->priv;
6769 CapabilityRid cap_rid; /* Card capability info */
6770 int i;
6771 int rc = -EINVAL;
6772
6773 readCapabilityRid(local, &cap_rid, 1);
6774
6775 if (vwrq->disabled) {
6776 set_bit (FLAG_RADIO_OFF, &local->flags);
6777 set_bit (FLAG_COMMIT, &local->flags);
6778 return -EINPROGRESS; /* Call commit handler */
6779 }
6780 if (vwrq->flags != IW_TXPOW_MWATT) {
6781 return -EINVAL;
6782 }
6783 clear_bit (FLAG_RADIO_OFF, &local->flags);
6784 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6785 if ((vwrq->value==cap_rid.txPowerLevels[i])) {
6786 readConfigRid(local, 1);
6787 local->config.txPower = vwrq->value;
6788 set_bit (FLAG_COMMIT, &local->flags);
6789 rc = -EINPROGRESS; /* Call commit handler */
6790 break;
6791 }
6792 return rc;
6793}
6794
6795/*------------------------------------------------------------------*/
6796/*
6797 * Wireless Handler : get Tx-Power
6798 */
6799static int airo_get_txpow(struct net_device *dev,
6800 struct iw_request_info *info,
6801 struct iw_param *vwrq,
6802 char *extra)
6803{
6804 struct airo_info *local = dev->priv;
6805
6806 readConfigRid(local, 1);
6807 vwrq->value = local->config.txPower;
6808 vwrq->fixed = 1; /* No power control */
6809 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6810 vwrq->flags = IW_TXPOW_MWATT;
6811
6812 return 0;
6813}
6814
6815/*------------------------------------------------------------------*/
6816/*
6817 * Wireless Handler : set Retry limits
6818 */
6819static int airo_set_retry(struct net_device *dev,
6820 struct iw_request_info *info,
6821 struct iw_param *vwrq,
6822 char *extra)
6823{
6824 struct airo_info *local = dev->priv;
6825 int rc = -EINVAL;
6826
6827 if(vwrq->disabled) {
6828 return -EINVAL;
6829 }
6830 readConfigRid(local, 1);
6831 if(vwrq->flags & IW_RETRY_LIMIT) {
7f8544cc 6832 if(vwrq->flags & IW_RETRY_LONG)
1da177e4 6833 local->config.longRetryLimit = vwrq->value;
7f8544cc 6834 else if (vwrq->flags & IW_RETRY_SHORT)
1da177e4
LT		 6835 local->config.shortRetryLimit = vwrq->value;
6836 else {
6837 /* No modifier : set both */
6838 local->config.longRetryLimit = vwrq->value;
6839 local->config.shortRetryLimit = vwrq->value;
6840 }
6841 set_bit (FLAG_COMMIT, &local->flags);
6842 rc = -EINPROGRESS; /* Call commit handler */
6843 }
6844 if(vwrq->flags & IW_RETRY_LIFETIME) {
6845 local->config.txLifetime = vwrq->value / 1024;
6846 set_bit (FLAG_COMMIT, &local->flags);
6847 rc = -EINPROGRESS; /* Call commit handler */
6848 }
6849 return rc;
6850}
6851
6852/*------------------------------------------------------------------*/
6853/*
6854 * Wireless Handler : get Retry limits
6855 */
6856static int airo_get_retry(struct net_device *dev,
6857 struct iw_request_info *info,
6858 struct iw_param *vwrq,
6859 char *extra)
6860{
6861 struct airo_info *local = dev->priv;
6862
6863 vwrq->disabled = 0; /* Can't be disabled */
6864
6865 readConfigRid(local, 1);
6866 /* Note : by default, display the min retry number */
6867 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6868 vwrq->flags = IW_RETRY_LIFETIME;
6869 vwrq->value = (int)local->config.txLifetime * 1024;
7f8544cc
JT		 6870 } else if((vwrq->flags & IW_RETRY_LONG)) {
6871 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
1da177e4
LT		 6872 vwrq->value = (int)local->config.longRetryLimit;
6873 } else {
6874 vwrq->flags = IW_RETRY_LIMIT;
6875 vwrq->value = (int)local->config.shortRetryLimit;
6876 if((int)local->config.shortRetryLimit != (int)local->config.longRetryLimit)
7f8544cc 6877 vwrq->flags |= IW_RETRY_SHORT;
1da177e4
LT		 6878 }
6879
6880 return 0;
6881}
6882
6883/*------------------------------------------------------------------*/
6884/*
6885 * Wireless Handler : get range info
6886 */
6887static int airo_get_range(struct net_device *dev,
6888 struct iw_request_info *info,
6889 struct iw_point *dwrq,
6890 char *extra)
6891{
6892 struct airo_info *local = dev->priv;
6893 struct iw_range *range = (struct iw_range *) extra;
6894 CapabilityRid cap_rid; /* Card capability info */
6895 int i;
6896 int k;
6897
6898 readCapabilityRid(local, &cap_rid, 1);
6899
6900 dwrq->length = sizeof(struct iw_range);
6901 memset(range, 0, sizeof(*range));
6902 range->min_nwid = 0x0000;
6903 range->max_nwid = 0x0000;
6904 range->num_channels = 14;
6905 /* Should be based on cap_rid.country to give only
6906 * what the current card support */
6907 k = 0;
6908 for(i = 0; i < 14; i++) {
6909 range->freq[k].i = i + 1; /* List index */
6910 range->freq[k].m = frequency_list[i] * 100000;
6911 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6912 }
6913 range->num_frequency = k;
6914
41480af2
DW		 6915 range->sensitivity = 65535;
6916
1da177e4 6917 /* Hum... Should put the right values there */
41480af2
DW		 6918 if (local->rssi)
6919 range->max_qual.qual = 100; /* % */
6920 else
6921 range->max_qual.qual = airo_get_max_quality(&cap_rid);
ce6623c3
JT		 6922 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6923 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
41480af2
DW		 6924
6925 /* Experimental measurements - boundary 11/5.5 Mb/s */
6926 /* Note : with or without the (local->rssi), results
6927 * are somewhat different. - Jean II */
6928 if (local->rssi) {
ce6623c3
JT		 6929 range->avg_qual.qual = 50; /* % */
6930 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
41480af2
DW		 6931 } else {
6932 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
ce6623c3 6933 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
41480af2 6934 }
ce6623c3 6935 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
1da177e4
LT		 6936
6937 for(i = 0 ; i < 8 ; i++) {
6938 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6939 if(range->bitrate[i] == 0)
6940 break;
6941 }
6942 range->num_bitrates = i;
6943
6944 /* Set an indication of the max TCP throughput
6945 * in bit/s that we can expect using this interface.
6946 * May be use for QoS stuff... Jean II */
6947 if(i > 2)
6948 range->throughput = 5000 * 1000;
6949 else
6950 range->throughput = 1500 * 1000;
6951
6952 range->min_rts = 0;
15db2763 6953 range->max_rts = AIRO_DEF_MTU;
1da177e4 6954 range->min_frag = 256;
15db2763 6955 range->max_frag = AIRO_DEF_MTU;
1da177e4
LT		 6956
6957 if(cap_rid.softCap & 2) {
6958 // WEP: RC4 40 bits
6959 range->encoding_size[0] = 5;
6960 // RC4 ~128 bits
6961 if (cap_rid.softCap & 0x100) {
6962 range->encoding_size[1] = 13;
6963 range->num_encoding_sizes = 2;
6964 } else
6965 range->num_encoding_sizes = 1;
6966 range->max_encoding_tokens = (cap_rid.softCap & 0x80) ? 4 : 1;
6967 } else {
6968 range->num_encoding_sizes = 0;
6969 range->max_encoding_tokens = 0;
6970 }
6971 range->min_pmp = 0;
6972 range->max_pmp = 5000000; /* 5 secs */
6973 range->min_pmt = 0;
6974 range->max_pmt = 65535 * 1024; /* ??? */
6975 range->pmp_flags = IW_POWER_PERIOD;
6976 range->pmt_flags = IW_POWER_TIMEOUT;
6977 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6978
6979 /* Transmit Power - values are in mW */
6980 for(i = 0 ; i < 8 ; i++) {
6981 range->txpower[i] = cap_rid.txPowerLevels[i];
6982 if(range->txpower[i] == 0)
6983 break;
6984 }
6985 range->num_txpower = i;
6986 range->txpower_capa = IW_TXPOW_MWATT;
3c304956 6987 range->we_version_source = 19;
1da177e4
LT		 6988 range->we_version_compiled = WIRELESS_EXT;
6989 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6990 range->retry_flags = IW_RETRY_LIMIT;
6991 range->r_time_flags = IW_RETRY_LIFETIME;
6992 range->min_retry = 1;
6993 range->max_retry = 65535;
6994 range->min_r_time = 1024;
6995 range->max_r_time = 65535 * 1024;
1da177e4
LT		 6996
6997 /* Event capability (kernel + driver) */
6998 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6999 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
7000 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
7001 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
7002 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7003 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7004 return 0;
7005}
7006
7007/*------------------------------------------------------------------*/
7008/*
7009 * Wireless Handler : set Power Management
7010 */
7011static int airo_set_power(struct net_device *dev,
7012 struct iw_request_info *info,
7013 struct iw_param *vwrq,
7014 char *extra)
7015{
7016 struct airo_info *local = dev->priv;
7017
7018 readConfigRid(local, 1);
7019 if (vwrq->disabled) {
7020 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7021 return -EINVAL;
7022 }
7023 local->config.powerSaveMode = POWERSAVE_CAM;
7024 local->config.rmode &= 0xFF00;
7025 local->config.rmode |= RXMODE_BC_MC_ADDR;
7026 set_bit (FLAG_COMMIT, &local->flags);
7027 return -EINPROGRESS; /* Call commit handler */
7028 }
7029 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7030 local->config.fastListenDelay = (vwrq->value + 500) / 1024;
7031 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7032 set_bit (FLAG_COMMIT, &local->flags);
7033 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7034 local->config.fastListenInterval = local->config.listenInterval = (vwrq->value + 500) / 1024;
7035 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7036 set_bit (FLAG_COMMIT, &local->flags);
7037 }
7038 switch (vwrq->flags & IW_POWER_MODE) {
7039 case IW_POWER_UNICAST_R:
7040 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7041 return -EINVAL;
7042 }
7043 local->config.rmode &= 0xFF00;
7044 local->config.rmode |= RXMODE_ADDR;
7045 set_bit (FLAG_COMMIT, &local->flags);
7046 break;
7047 case IW_POWER_ALL_R:
7048 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7049 return -EINVAL;
7050 }
7051 local->config.rmode &= 0xFF00;
7052 local->config.rmode |= RXMODE_BC_MC_ADDR;
7053 set_bit (FLAG_COMMIT, &local->flags);
7054 case IW_POWER_ON:
7f8544cc 7055 /* This is broken, fixme ;-) */
1da177e4
LT		 7056 break;
7057 default:
7058 return -EINVAL;
7059 }
7060 // Note : we may want to factor local->need_commit here
7061 // Note2 : may also want to factor RXMODE_RFMON test
7062 return -EINPROGRESS; /* Call commit handler */
7063}
7064
7065/*------------------------------------------------------------------*/
7066/*
7067 * Wireless Handler : get Power Management
7068 */
7069static int airo_get_power(struct net_device *dev,
7070 struct iw_request_info *info,
7071 struct iw_param *vwrq,
7072 char *extra)
7073{
7074 struct airo_info *local = dev->priv;
7075 int mode;
7076
7077 readConfigRid(local, 1);
7078 mode = local->config.powerSaveMode;
7079 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7080 return 0;
7081 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7082 vwrq->value = (int)local->config.fastListenDelay * 1024;
7083 vwrq->flags = IW_POWER_TIMEOUT;
7084 } else {
7085 vwrq->value = (int)local->config.fastListenInterval * 1024;
7086 vwrq->flags = IW_POWER_PERIOD;
7087 }
7088 if ((local->config.rmode & 0xFF) == RXMODE_ADDR)
7089 vwrq->flags |= IW_POWER_UNICAST_R;
7090 else
7091 vwrq->flags |= IW_POWER_ALL_R;
7092
7093 return 0;
7094}
7095
7096/*------------------------------------------------------------------*/
7097/*
7098 * Wireless Handler : set Sensitivity
7099 */
7100static int airo_set_sens(struct net_device *dev,
7101 struct iw_request_info *info,
7102 struct iw_param *vwrq,
7103 char *extra)
7104{
7105 struct airo_info *local = dev->priv;
7106
7107 readConfigRid(local, 1);
7108 local->config.rssiThreshold = vwrq->disabled ? RSSI_DEFAULT : vwrq->value;
7109 set_bit (FLAG_COMMIT, &local->flags);
7110
7111 return -EINPROGRESS; /* Call commit handler */
7112}
7113
7114/*------------------------------------------------------------------*/
7115/*
7116 * Wireless Handler : get Sensitivity
7117 */
7118static int airo_get_sens(struct net_device *dev,
7119 struct iw_request_info *info,
7120 struct iw_param *vwrq,
7121 char *extra)
7122{
7123 struct airo_info *local = dev->priv;
7124
7125 readConfigRid(local, 1);
7126 vwrq->value = local->config.rssiThreshold;
7127 vwrq->disabled = (vwrq->value == 0);
7128 vwrq->fixed = 1;
7129
7130 return 0;
7131}
7132
7133/*------------------------------------------------------------------*/
7134/*
7135 * Wireless Handler : get AP List
7136 * Note : this is deprecated in favor of IWSCAN
7137 */
7138static int airo_get_aplist(struct net_device *dev,
7139 struct iw_request_info *info,
7140 struct iw_point *dwrq,
7141 char *extra)
7142{
7143 struct airo_info *local = dev->priv;
7144 struct sockaddr *address = (struct sockaddr *) extra;
7145 struct iw_quality qual[IW_MAX_AP];
7146 BSSListRid BSSList;
7147 int i;
7148 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7149
7150 for (i = 0; i < IW_MAX_AP; i++) {
7151 if (readBSSListRid(local, loseSync, &BSSList))
7152 break;
7153 loseSync = 0;
7154 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7155 address[i].sa_family = ARPHRD_ETHER;
41480af2
DW		 7156 if (local->rssi) {
7157 qual[i].level = 0x100 - BSSList.dBm;
7158 qual[i].qual = airo_dbm_to_pct( local->rssi, BSSList.dBm );
ce6623c3
JT		 7159 qual[i].updated = IW_QUAL_QUAL_UPDATED
7160 | IW_QUAL_LEVEL_UPDATED
7161 | IW_QUAL_DBM;
41480af2
DW		 7162 } else {
7163 qual[i].level = (BSSList.dBm + 321) / 2;
7164 qual[i].qual = 0;
ce6623c3
JT		 7165 qual[i].updated = IW_QUAL_QUAL_INVALID
7166 | IW_QUAL_LEVEL_UPDATED
7167 | IW_QUAL_DBM;
41480af2
DW		 7168 }
7169 qual[i].noise = local->wstats.qual.noise;
1da177e4
LT		 7170 if (BSSList.index == 0xffff)
7171 break;
7172 }
7173 if (!i) {
7174 StatusRid status_rid; /* Card status info */
7175 readStatusRid(local, &status_rid, 1);
7176 for (i = 0;
7177 i < min(IW_MAX_AP, 4) &&
7178 (status_rid.bssid[i][0]
7179 & status_rid.bssid[i][1]
7180 & status_rid.bssid[i][2]
7181 & status_rid.bssid[i][3]
7182 & status_rid.bssid[i][4]
7183 & status_rid.bssid[i][5])!=0xff &&
7184 (status_rid.bssid[i][0]
7185 | status_rid.bssid[i][1]
7186 | status_rid.bssid[i][2]
7187 | status_rid.bssid[i][3]
7188 | status_rid.bssid[i][4]
7189 | status_rid.bssid[i][5]);
7190 i++) {
7191 memcpy(address[i].sa_data,
7192 status_rid.bssid[i], ETH_ALEN);
7193 address[i].sa_family = ARPHRD_ETHER;
7194 }
7195 } else {
7196 dwrq->flags = 1; /* Should be define'd */
7197 memcpy(extra + sizeof(struct sockaddr)*i,
7198 &qual, sizeof(struct iw_quality)*i);
7199 }
7200 dwrq->length = i;
7201
7202 return 0;
7203}
7204
7205/*------------------------------------------------------------------*/
7206/*
7207 * Wireless Handler : Initiate Scan
7208 */
7209static int airo_set_scan(struct net_device *dev,
7210 struct iw_request_info *info,
7211 struct iw_param *vwrq,
7212 char *extra)
7213{
7214 struct airo_info *ai = dev->priv;
7215 Cmd cmd;
7216 Resp rsp;
9e75af30 7217 int wake = 0;
1da177e4
LT		 7218
7219 /* Note : you may have realised that, as this is a SET operation,
7220 * this is privileged and therefore a normal user can't
7221 * perform scanning.
7222 * This is not an error, while the device perform scanning,
7223 * traffic doesn't flow, so it's a perfect DoS...
7224 * Jean II */
7225 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7226
9e75af30
DW		 7227 if (down_interruptible(&ai->sem))
7228 return -ERESTARTSYS;
7229
7230 /* If there's already a scan in progress, don't
7231 * trigger another one. */
7232 if (ai->scan_timeout > 0)
7233 goto out;
7234
1da177e4 7235 /* Initiate a scan command */
6fcdf565 7236 ai->scan_timeout = RUN_AT(3*HZ);
1da177e4
LT		 7237 memset(&cmd, 0, sizeof(cmd));
7238 cmd.cmd=CMD_LISTBSS;
1da177e4 7239 issuecommand(ai, &cmd, &rsp);
9e75af30 7240 wake = 1;
1da177e4 7241
9e75af30
DW		 7242out:
7243 up(&ai->sem);
7244 if (wake)
7245 wake_up_interruptible(&ai->thr_wait);
1da177e4
LT		 7246 return 0;
7247}
7248
7249/*------------------------------------------------------------------*/
7250/*
7251 * Translate scan data returned from the card to a card independent
7252 * format that the Wireless Tools will understand - Jean II
7253 */
7254static inline char *airo_translate_scan(struct net_device *dev,
7255 char *current_ev,
7256 char *end_buf,
41480af2 7257 BSSListRid *bss)
1da177e4
LT		 7258{
7259 struct airo_info *ai = dev->priv;
7260 struct iw_event iwe; /* Temporary buffer */
7261 u16 capabilities;
7262 char * current_val; /* For rates */
7263 int i;
3c304956 7264 char * buf;
1da177e4
LT		 7265
7266 /* First entry *MUST* be the AP MAC address */
7267 iwe.cmd = SIOCGIWAP;
7268 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
41480af2 7269 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
1da177e4
LT		 7270 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
7271
7272 /* Other entries will be displayed in the order we give them */
7273
7274 /* Add the ESSID */
41480af2 7275 iwe.u.data.length = bss->ssidLen;
1da177e4
LT		 7276 if(iwe.u.data.length > 32)
7277 iwe.u.data.length = 32;
7278 iwe.cmd = SIOCGIWESSID;
7279 iwe.u.data.flags = 1;
41480af2 7280 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
1da177e4
LT		 7281
7282 /* Add mode */
7283 iwe.cmd = SIOCGIWMODE;
41480af2 7284 capabilities = le16_to_cpu(bss->cap);
1da177e4
LT		 7285 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7286 if(capabilities & CAP_ESS)
7287 iwe.u.mode = IW_MODE_MASTER;
7288 else
7289 iwe.u.mode = IW_MODE_ADHOC;
7290 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
7291 }
7292
7293 /* Add frequency */
7294 iwe.cmd = SIOCGIWFREQ;
41480af2 7295 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
1141455d 7296 /* iwe.u.freq.m containt the channel (starting 1), our
7297 * frequency_list array start at index 0...
7298 */
7299 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
1da177e4
LT		 7300 iwe.u.freq.e = 1;
7301 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
7302
7303 /* Add quality statistics */
7304 iwe.cmd = IWEVQUAL;
41480af2
DW		 7305 if (ai->rssi) {
7306 iwe.u.qual.level = 0x100 - bss->dBm;
7307 iwe.u.qual.qual = airo_dbm_to_pct( ai->rssi, bss->dBm );
ce6623c3
JT		 7308 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7309 | IW_QUAL_LEVEL_UPDATED
7310 | IW_QUAL_DBM;
41480af2
DW		 7311 } else {
7312 iwe.u.qual.level = (bss->dBm + 321) / 2;
7313 iwe.u.qual.qual = 0;
bbeec90b 7314 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
ce6623c3
JT		 7315 | IW_QUAL_LEVEL_UPDATED
7316 | IW_QUAL_DBM;
41480af2
DW		 7317 }
7318 iwe.u.qual.noise = ai->wstats.qual.noise;
1da177e4
LT		 7319 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
7320
7321 /* Add encryption capability */
7322 iwe.cmd = SIOCGIWENCODE;
7323 if(capabilities & CAP_PRIVACY)
7324 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7325 else
7326 iwe.u.data.flags = IW_ENCODE_DISABLED;
7327 iwe.u.data.length = 0;
41480af2 7328 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
1da177e4
LT		 7329
7330 /* Rate : stuffing multiple values in a single event require a bit
7331 * more of magic - Jean II */
7332 current_val = current_ev + IW_EV_LCP_LEN;
7333
7334 iwe.cmd = SIOCGIWRATE;
7335 /* Those two flags are ignored... */
7336 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7337 /* Max 8 values */
7338 for(i = 0 ; i < 8 ; i++) {
7339 /* NULL terminated */
41480af2 7340 if(bss->rates[i] == 0)
1da177e4
LT		 7341 break;
7342 /* Bit rate given in 500 kb/s units (+ 0x80) */
41480af2 7343 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
1da177e4
LT		 7344 /* Add new value to event */
7345 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
7346 }
7347 /* Check if we added any event */
7348 if((current_val - current_ev) > IW_EV_LCP_LEN)
7349 current_ev = current_val;
7350
3c304956
DW		 7351 /* Beacon interval */
7352 buf = kmalloc(30, GFP_KERNEL);
7353 if (buf) {
7354 iwe.cmd = IWEVCUSTOM;
7355 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7356 iwe.u.data.length = strlen(buf);
7357 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, buf);
7358 kfree(buf);
7359 }
7360
7361 /* Put WPA/RSN Information Elements into the event stream */
7362 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7363 unsigned int num_null_ies = 0;
7364 u16 length = sizeof (bss->extra.iep);
7365 struct ieee80211_info_element *info_element =
7366 (struct ieee80211_info_element *) &bss->extra.iep;
7367
7368 while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) {
7369 if (sizeof(*info_element) + info_element->len > length) {
7370 /* Invalid element, don't continue parsing IE */
7371 break;
7372 }
7373
7374 switch (info_element->id) {
7375 case MFIE_TYPE_SSID:
7376 /* Two zero-length SSID elements
7377 * mean we're done parsing elements */
7378 if (!info_element->len)
7379 num_null_ies++;
7380 break;
7381
7382 case MFIE_TYPE_GENERIC:
7383 if (info_element->len >= 4 &&
7384 info_element->data[0] == 0x00 &&
7385 info_element->data[1] == 0x50 &&
7386 info_element->data[2] == 0xf2 &&
7387 info_element->data[3] == 0x01) {
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 }
7394 break;
7395
7396 case MFIE_TYPE_RSN:
7397 iwe.cmd = IWEVGENIE;
7398 iwe.u.data.length = min(info_element->len + 2,
7399 MAX_WPA_IE_LEN);
7400 current_ev = iwe_stream_add_point(current_ev, end_buf,
7401 &iwe, (char *) info_element);
7402 break;
7403
7404 default:
7405 break;
7406 }
7407
7408 length -= sizeof(*info_element) + info_element->len;
7409 info_element =
7410 (struct ieee80211_info_element *)&info_element->
7411 data[info_element->len];
7412 }
7413 }
1da177e4
LT		 7414 return current_ev;
7415}
7416
7417/*------------------------------------------------------------------*/
7418/*
7419 * Wireless Handler : Read Scan Results
7420 */
7421static int airo_get_scan(struct net_device *dev,
7422 struct iw_request_info *info,
7423 struct iw_point *dwrq,
7424 char *extra)
7425{
7426 struct airo_info *ai = dev->priv;
9e75af30
DW		 7427 BSSListElement *net;
7428 int err = 0;
1da177e4
LT		 7429 char *current_ev = extra;
7430
9e75af30
DW		 7431 /* If a scan is in-progress, return -EAGAIN */
7432 if (ai->scan_timeout > 0)
1da177e4 7433 return -EAGAIN;
1da177e4 7434
9e75af30
DW		 7435 if (down_interruptible(&ai->sem))
7436 return -EAGAIN;
1da177e4 7437
9e75af30 7438 list_for_each_entry (net, &ai->network_list, list) {
1da177e4
LT		 7439 /* Translate to WE format this entry */
7440 current_ev = airo_translate_scan(dev, current_ev,
7441 extra + dwrq->length,
9e75af30 7442 &net->bss);
1da177e4
LT		 7443
7444 /* Check if there is space for one more entry */
7445 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7446 /* Ask user space to try again with a bigger buffer */
9e75af30
DW		 7447 err = -E2BIG;
7448 goto out;
1da177e4 7449 }
1da177e4 7450 }
9e75af30 7451
1da177e4
LT		 7452 /* Length of data */
7453 dwrq->length = (current_ev - extra);
7454 dwrq->flags = 0; /* todo */
7455
9e75af30
DW		 7456out:
7457 up(&ai->sem);
7458 return err;
1da177e4
LT		 7459}
7460
7461/*------------------------------------------------------------------*/
7462/*
7463 * Commit handler : called after a bunch of SET operations
7464 */
7465static int airo_config_commit(struct net_device *dev,
7466 struct iw_request_info *info, /* NULL */
7467 void *zwrq, /* NULL */
7468 char *extra) /* NULL */
7469{
7470 struct airo_info *local = dev->priv;
7471 Resp rsp;
7472
7473 if (!test_bit (FLAG_COMMIT, &local->flags))
7474 return 0;
7475
7476 /* Some of the "SET" function may have modified some of the
7477 * parameters. It's now time to commit them in the card */
7478 disable_MAC(local, 1);
7479 if (test_bit (FLAG_RESET, &local->flags)) {
7480 APListRid APList_rid;
7481 SsidRid SSID_rid;
7482
7483 readAPListRid(local, &APList_rid);
7484 readSsidRid(local, &SSID_rid);
7485 if (test_bit(FLAG_MPI,&local->flags))
7486 setup_card(local, dev->dev_addr, 1 );
7487 else
7488 reset_airo_card(dev);
7489 disable_MAC(local, 1);
7490 writeSsidRid(local, &SSID_rid, 1);
7491 writeAPListRid(local, &APList_rid, 1);
7492 }
7493 if (down_interruptible(&local->sem))
7494 return -ERESTARTSYS;
7495 writeConfigRid(local, 0);
7496 enable_MAC(local, &rsp, 0);
7497 if (test_bit (FLAG_RESET, &local->flags))
7498 airo_set_promisc(local);
7499 else
7500 up(&local->sem);
7501
7502 return 0;
7503}
7504
7505/*------------------------------------------------------------------*/
7506/*
7507 * Structures to export the Wireless Handlers
7508 */
7509
7510static const struct iw_priv_args airo_private_args[] = {
7511/*{ cmd, set_args, get_args, name } */
7512 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7513 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7514 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7515 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7516};
7517
7518static const iw_handler airo_handler[] =
7519{
7520 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7521 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7522 (iw_handler) NULL, /* SIOCSIWNWID */
7523 (iw_handler) NULL, /* SIOCGIWNWID */
7524 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7525 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7526 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7527 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7528 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7529 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7530 (iw_handler) NULL, /* SIOCSIWRANGE */
7531 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7532 (iw_handler) NULL, /* SIOCSIWPRIV */
7533 (iw_handler) NULL, /* SIOCGIWPRIV */
7534 (iw_handler) NULL, /* SIOCSIWSTATS */
7535 (iw_handler) NULL, /* SIOCGIWSTATS */
7536 iw_handler_set_spy, /* SIOCSIWSPY */
7537 iw_handler_get_spy, /* SIOCGIWSPY */
7538 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7539 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7540 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7541 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7542 (iw_handler) NULL, /* -- hole -- */
7543 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7544 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7545 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7546 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7547 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7548 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7549 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7550 (iw_handler) NULL, /* -- hole -- */
7551 (iw_handler) NULL, /* -- hole -- */
7552 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7553 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7554 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7555 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7556 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7557 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7558 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7559 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7560 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7561 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7562 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7563 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7564 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7565 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
4be757dd
DW		 7566 (iw_handler) NULL, /* -- hole -- */
7567 (iw_handler) NULL, /* -- hole -- */
7568 (iw_handler) NULL, /* SIOCSIWGENIE */
7569 (iw_handler) NULL, /* SIOCGIWGENIE */
7570 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7571 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7572 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7573 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7574 (iw_handler) NULL, /* SIOCSIWPMKSA */
1da177e4
LT		 7575};
7576
7577/* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7578 * We want to force the use of the ioctl code, because those can't be
7579 * won't work the iw_handler code (because they simultaneously read
7580 * and write data and iw_handler can't do that).
7581 * Note that it's perfectly legal to read/write on a single ioctl command,
7582 * you just can't use iwpriv and need to force it via the ioctl handler.
7583 * Jean II */
7584static const iw_handler airo_private_handler[] =
7585{
7586 NULL, /* SIOCIWFIRSTPRIV */
7587};
7588
7589static const struct iw_handler_def airo_handler_def =
7590{
7591 .num_standard = sizeof(airo_handler)/sizeof(iw_handler),
7592 .num_private = sizeof(airo_private_handler)/sizeof(iw_handler),
7593 .num_private_args = sizeof(airo_private_args)/sizeof(struct iw_priv_args),
7594 .standard = airo_handler,
7595 .private = airo_private_handler,
7596 .private_args = airo_private_args,
7597 .get_wireless_stats = airo_get_wireless_stats,
7598};
7599
1da177e4
LT		 7600/*
7601 * This defines the configuration part of the Wireless Extensions
7602 * Note : irq and spinlock protection will occur in the subroutines
7603 *
7604 * TODO :
7605 * o Check input value more carefully and fill correct values in range
7606 * o Test and shakeout the bugs (if any)
7607 *
7608 * Jean II
7609 *
7610 * Javier Achirica did a great job of merging code from the unnamed CISCO
7611 * developer that added support for flashing the card.
7612 */
7613static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7614{
7615 int rc = 0;
7616 struct airo_info *ai = (struct airo_info *)dev->priv;
7617
ca078bae 7618 if (ai->power.event)
1da177e4
LT		 7619 return 0;
7620
7621 switch (cmd) {
7622#ifdef CISCO_EXT
7623 case AIROIDIFC:
7624#ifdef AIROOLDIDIFC
7625 case AIROOLDIDIFC:
7626#endif
7627 {
7628 int val = AIROMAGIC;
7629 aironet_ioctl com;
7630 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7631 rc = -EFAULT;
7632 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7633 rc = -EFAULT;
7634 }
7635 break;
7636
7637 case AIROIOCTL:
7638#ifdef AIROOLDIOCTL
7639 case AIROOLDIOCTL:
7640#endif
7641 /* Get the command struct and hand it off for evaluation by
7642 * the proper subfunction
7643 */
7644 {
7645 aironet_ioctl com;
7646 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7647 rc = -EFAULT;
7648 break;
7649 }
7650
7651 /* Separate R/W functions bracket legality here
7652 */
7653 if ( com.command == AIRORSWVERSION ) {
7654 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7655 rc = -EFAULT;
7656 else
7657 rc = 0;
7658 }
7659 else if ( com.command <= AIRORRID)
7660 rc = readrids(dev,&com);
7661 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7662 rc = writerids(dev,&com);
7663 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7664 rc = flashcard(dev,&com);
7665 else
7666 rc = -EINVAL; /* Bad command in ioctl */
7667 }
7668 break;
7669#endif /* CISCO_EXT */
7670
7671 // All other calls are currently unsupported
7672 default:
7673 rc = -EOPNOTSUPP;
7674 }
7675 return rc;
7676}
7677
1da177e4
LT		 7678/*
7679 * Get the Wireless stats out of the driver
7680 * Note : irq and spinlock protection will occur in the subroutines
7681 *
7682 * TODO :
7683 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7684 *
7685 * Jean
7686 */
7687static void airo_read_wireless_stats(struct airo_info *local)
7688{
7689 StatusRid status_rid;
7690 StatsRid stats_rid;
7691 CapabilityRid cap_rid;
7692 u32 *vals = stats_rid.vals;
7693
7694 /* Get stats out of the card */
3c304956 7695 clear_bit(JOB_WSTATS, &local->jobs);
ca078bae 7696 if (local->power.event) {
1da177e4
LT		 7697 up(&local->sem);
7698 return;
7699 }
7700 readCapabilityRid(local, &cap_rid, 0);
7701 readStatusRid(local, &status_rid, 0);
7702 readStatsRid(local, &stats_rid, RID_STATS, 0);
7703 up(&local->sem);
7704
7705 /* The status */
7706 local->wstats.status = status_rid.mode;
7707
41480af2
DW		 7708 /* Signal quality and co */
7709 if (local->rssi) {
7710 local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
7711 /* normalizedSignalStrength appears to be a percentage */
7712 local->wstats.qual.qual = status_rid.normalizedSignalStrength;
7713 } else {
1da177e4 7714 local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
41480af2
DW		 7715 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7716 }
1da177e4 7717 if (status_rid.len >= 124) {
41480af2 7718 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
ce6623c3 7719 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
1da177e4
LT		 7720 } else {
7721 local->wstats.qual.noise = 0;
ce6623c3 7722 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
1da177e4
LT		 7723 }
7724
7725 /* Packets discarded in the wireless adapter due to wireless
7726 * specific problems */
7727 local->wstats.discard.nwid = vals[56] + vals[57] + vals[58];/* SSID Mismatch */
7728 local->wstats.discard.code = vals[6];/* RxWepErr */
7729 local->wstats.discard.fragment = vals[30];
7730 local->wstats.discard.retries = vals[10];
7731 local->wstats.discard.misc = vals[1] + vals[32];
7732 local->wstats.miss.beacon = vals[34];
7733}
7734
ff1d2767 7735static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
1da177e4
LT		 7736{
7737 struct airo_info *local = dev->priv;
7738
3c304956 7739 if (!test_bit(JOB_WSTATS, &local->jobs)) {
1da177e4
LT		 7740 /* Get stats out of the card if available */
7741 if (down_trylock(&local->sem) != 0) {
3c304956 7742 set_bit(JOB_WSTATS, &local->jobs);
1da177e4
LT		 7743 wake_up_interruptible(&local->thr_wait);
7744 } else
7745 airo_read_wireless_stats(local);
7746 }
7747
7748 return &local->wstats;
7749}
1da177e4
LT		 7750
7751#ifdef CISCO_EXT
7752/*
7753 * This just translates from driver IOCTL codes to the command codes to
7754 * feed to the radio's host interface. Things can be added/deleted
7755 * as needed. This represents the READ side of control I/O to
7756 * the card
7757 */
7758static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7759 unsigned short ridcode;
7760 unsigned char *iobuf;
7761 int len;
7762 struct airo_info *ai = dev->priv;
7763 Resp rsp;
7764
7765 if (test_bit(FLAG_FLASHING, &ai->flags))
7766 return -EIO;
7767
7768 switch(comp->command)
7769 {
7770 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7771 case AIROGCFG: ridcode = RID_CONFIG;
7772 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7773 disable_MAC (ai, 1);
7774 writeConfigRid (ai, 1);
7775 enable_MAC (ai, &rsp, 1);
7776 }
7777 break;
7778 case AIROGSLIST: ridcode = RID_SSID; break;
7779 case AIROGVLIST: ridcode = RID_APLIST; break;
7780 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7781 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7782 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7783 /* Only super-user can read WEP keys */
7784 if (!capable(CAP_NET_ADMIN))
7785 return -EPERM;
7786 break;
7787 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7788 /* Only super-user can read WEP keys */
7789 if (!capable(CAP_NET_ADMIN))
7790 return -EPERM;
7791 break;
7792 case AIROGSTAT: ridcode = RID_STATUS; break;
7793 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7794 case AIROGSTATSC32: ridcode = RID_STATS; break;
1da177e4
LT		 7795 case AIROGMICSTATS:
7796 if (copy_to_user(comp->data, &ai->micstats,
7797 min((int)comp->len,(int)sizeof(ai->micstats))))
7798 return -EFAULT;
7799 return 0;
1da177e4
LT		 7800 case AIRORRID: ridcode = comp->ridnum; break;
7801 default:
7802 return -EINVAL;
7803 break;
7804 }
7805
7806 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7807 return -ENOMEM;
7808
7809 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7810 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7811 * then return it to the user
7812 * 9/22/2000 Honor user given length
7813 */
7814 len = comp->len;
7815
7816 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7817 kfree (iobuf);
7818 return -EFAULT;
7819 }
7820 kfree (iobuf);
7821 return 0;
7822}
7823
7824/*
7825 * Danger Will Robinson write the rids here
7826 */
7827
7828static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7829 struct airo_info *ai = dev->priv;
7830 int ridcode;
1da177e4 7831 int enabled;
1da177e4
LT		 7832 Resp rsp;
7833 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7834 unsigned char *iobuf;
7835
7836 /* Only super-user can write RIDs */
7837 if (!capable(CAP_NET_ADMIN))
7838 return -EPERM;
7839
7840 if (test_bit(FLAG_FLASHING, &ai->flags))
7841 return -EIO;
7842
7843 ridcode = 0;
7844 writer = do_writerid;
7845
7846 switch(comp->command)
7847 {
7848 case AIROPSIDS: ridcode = RID_SSID; break;
7849 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7850 case AIROPAPLIST: ridcode = RID_APLIST; break;
7851 case AIROPCFG: ai->config.len = 0;
7852 clear_bit(FLAG_COMMIT, &ai->flags);
7853 ridcode = RID_CONFIG; break;
7854 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7855 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7856 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7857 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7858 break;
7859 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7860 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7861
7862 /* this is not really a rid but a command given to the card
7863 * same with MAC off
7864 */
7865 case AIROPMACON:
7866 if (enable_MAC(ai, &rsp, 1) != 0)
7867 return -EIO;
7868 return 0;
7869
7870 /*
7871 * Evidently this code in the airo driver does not get a symbol
7872 * as disable_MAC. it's probably so short the compiler does not gen one.
7873 */
7874 case AIROPMACOFF:
7875 disable_MAC(ai, 1);
7876 return 0;
7877
7878 /* This command merely clears the counts does not actually store any data
7879 * only reads rid. But as it changes the cards state, I put it in the
7880 * writerid routines.
7881 */
7882 case AIROPSTCLR:
7883 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7884 return -ENOMEM;
7885
7886 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7887
1da177e4
LT		 7888 enabled = ai->micstats.enabled;
7889 memset(&ai->micstats,0,sizeof(ai->micstats));
7890 ai->micstats.enabled = enabled;
1da177e4
LT		 7891
7892 if (copy_to_user(comp->data, iobuf,
7893 min((int)comp->len, (int)RIDSIZE))) {
7894 kfree (iobuf);
7895 return -EFAULT;
7896 }
7897 kfree (iobuf);
7898 return 0;
7899
7900 default:
7901 return -EOPNOTSUPP; /* Blarg! */
7902 }
7903 if(comp->len > RIDSIZE)
7904 return -EINVAL;
7905
7906 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7907 return -ENOMEM;
7908
7909 if (copy_from_user(iobuf,comp->data,comp->len)) {
7910 kfree (iobuf);
7911 return -EFAULT;
7912 }
7913
7914 if (comp->command == AIROPCFG) {
7915 ConfigRid *cfg = (ConfigRid *)iobuf;
7916
7917 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7918 cfg->opmode |= MODE_MIC;
7919
7920 if ((cfg->opmode & 0xFF) == MODE_STA_IBSS)
7921 set_bit (FLAG_ADHOC, &ai->flags);
7922 else
7923 clear_bit (FLAG_ADHOC, &ai->flags);
7924 }
7925
7926 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7927 kfree (iobuf);
7928 return -EIO;
7929 }
7930 kfree (iobuf);
7931 return 0;
7932}
7933
7934/*****************************************************************************
7935 * Ancillary flash / mod functions much black magic lurkes here *
7936 *****************************************************************************
7937 */
7938
7939/*
7940 * Flash command switch table
7941 */
7942
ff1d2767 7943static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
1da177e4 7944 int z;
1da177e4
LT		 7945
7946 /* Only super-user can modify flash */
7947 if (!capable(CAP_NET_ADMIN))
7948 return -EPERM;
7949
7950 switch(comp->command)
7951 {
7952 case AIROFLSHRST:
7953 return cmdreset((struct airo_info *)dev->priv);
7954
7955 case AIROFLSHSTFL:
7956 if (!((struct airo_info *)dev->priv)->flash &&
7957 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7958 return -ENOMEM;
7959 return setflashmode((struct airo_info *)dev->priv);
7960
7961 case AIROFLSHGCHR: /* Get char from aux */
7962 if(comp->len != sizeof(int))
7963 return -EINVAL;
7964 if (copy_from_user(&z,comp->data,comp->len))
7965 return -EFAULT;
7966 return flashgchar((struct airo_info *)dev->priv,z,8000);
7967
7968 case AIROFLSHPCHR: /* Send char to card. */
7969 if(comp->len != sizeof(int))
7970 return -EINVAL;
7971 if (copy_from_user(&z,comp->data,comp->len))
7972 return -EFAULT;
7973 return flashpchar((struct airo_info *)dev->priv,z,8000);
7974
7975 case AIROFLPUTBUF: /* Send 32k to card */
7976 if (!((struct airo_info *)dev->priv)->flash)
7977 return -ENOMEM;
7978 if(comp->len > FLASHSIZE)
7979 return -EINVAL;
7980 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7981 return -EFAULT;
7982
7983 flashputbuf((struct airo_info *)dev->priv);
7984 return 0;
7985
7986 case AIRORESTART:
7987 if(flashrestart((struct airo_info *)dev->priv,dev))
7988 return -EIO;
7989 return 0;
7990 }
7991 return -EINVAL;
7992}
7993
7994#define FLASH_COMMAND 0x7e7e
7995
7996/*
7997 * STEP 1)
7998 * Disable MAC and do soft reset on
7999 * card.
8000 */
8001
ff1d2767 8002static int cmdreset(struct airo_info *ai) {
1da177e4
LT		 8003 disable_MAC(ai, 1);
8004
8005 if(!waitbusy (ai)){
934d8bf1 8006 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
1da177e4
LT		 8007 return -EBUSY;
8008 }
8009
8010 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8011
8012 ssleep(1); /* WAS 600 12/7/00 */
8013
8014 if(!waitbusy (ai)){
934d8bf1 8015 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
1da177e4
LT		 8016 return -EBUSY;
8017 }
8018 return 0;
8019}
8020
8021/* STEP 2)
8022 * Put the card in legendary flash
8023 * mode
8024 */
8025
ff1d2767 8026static int setflashmode (struct airo_info *ai) {
1da177e4
LT		 8027 set_bit (FLAG_FLASHING, &ai->flags);
8028
8029 OUT4500(ai, SWS0, FLASH_COMMAND);
8030 OUT4500(ai, SWS1, FLASH_COMMAND);
8031 if (probe) {
8032 OUT4500(ai, SWS0, FLASH_COMMAND);
8033 OUT4500(ai, COMMAND,0x10);
8034 } else {
8035 OUT4500(ai, SWS2, FLASH_COMMAND);
8036 OUT4500(ai, SWS3, FLASH_COMMAND);
8037 OUT4500(ai, COMMAND,0);
8038 }
8039 msleep(500); /* 500ms delay */
8040
8041 if(!waitbusy(ai)) {
8042 clear_bit (FLAG_FLASHING, &ai->flags);
934d8bf1 8043 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
1da177e4
LT		 8044 return -EIO;
8045 }
8046 return 0;
8047}
8048
8049/* Put character to SWS0 wait for dwelltime
8050 * x 50us for echo .
8051 */
8052
ff1d2767 8053static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
1da177e4
LT		 8054 int echo;
8055 int waittime;
8056
8057 byte |= 0x8000;
8058
8059 if(dwelltime == 0 )
8060 dwelltime = 200;
8061
8062 waittime=dwelltime;
8063
8064 /* Wait for busy bit d15 to go false indicating buffer empty */
8065 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8066 udelay (50);
8067 waittime -= 50;
8068 }
8069
8070 /* timeout for busy clear wait */
8071 if(waittime <= 0 ){
934d8bf1 8072 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
1da177e4
LT		 8073 return -EBUSY;
8074 }
8075
8076 /* Port is clear now write byte and wait for it to echo back */
8077 do {
8078 OUT4500(ai,SWS0,byte);
8079 udelay(50);
8080 dwelltime -= 50;
8081 echo = IN4500(ai,SWS1);
8082 } while (dwelltime >= 0 && echo != byte);
8083
8084 OUT4500(ai,SWS1,0);
8085
8086 return (echo == byte) ? 0 : -EIO;
8087}
8088
8089/*
8090 * Get a character from the card matching matchbyte
8091 * Step 3)
8092 */
ff1d2767 8093static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
1da177e4
LT		 8094 int rchar;
8095 unsigned char rbyte=0;
8096
8097 do {
8098 rchar = IN4500(ai,SWS1);
8099
8100 if(dwelltime && !(0x8000 & rchar)){
8101 dwelltime -= 10;
8102 mdelay(10);
8103 continue;
8104 }
8105 rbyte = 0xff & rchar;
8106
8107 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8108 OUT4500(ai,SWS1,0);
8109 return 0;
8110 }
8111 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8112 break;
8113 OUT4500(ai,SWS1,0);
8114
8115 }while(dwelltime > 0);
8116 return -EIO;
8117}
8118
8119/*
8120 * Transfer 32k of firmware data from user buffer to our buffer and
8121 * send to the card
8122 */
8123
ff1d2767 8124static int flashputbuf(struct airo_info *ai){
1da177e4
LT		 8125 int nwords;
8126
8127 /* Write stuff */
8128 if (test_bit(FLAG_MPI,&ai->flags))
8129 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8130 else {
8131 OUT4500(ai,AUXPAGE,0x100);
8132 OUT4500(ai,AUXOFF,0);
8133
8134 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8135 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8136 }
8137 }
8138 OUT4500(ai,SWS0,0x8000);
8139
8140 return 0;
8141}
8142
8143/*
8144 *
8145 */
ff1d2767 8146static int flashrestart(struct airo_info *ai,struct net_device *dev){
1da177e4
LT		 8147 int i,status;
8148
8149 ssleep(1); /* Added 12/7/00 */
8150 clear_bit (FLAG_FLASHING, &ai->flags);
8151 if (test_bit(FLAG_MPI, &ai->flags)) {
8152 status = mpi_init_descriptors(ai);
8153 if (status != SUCCESS)
8154 return status;
8155 }
8156 status = setup_card(ai, dev->dev_addr, 1);
8157
8158 if (!test_bit(FLAG_MPI,&ai->flags))
8159 for( i = 0; i < MAX_FIDS; i++ ) {
8160 ai->fids[i] = transmit_allocate
15db2763 8161 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
1da177e4
LT		 8162 }
8163
8164 ssleep(1); /* Added 12/7/00 */
8165 return status;
8166}
8167#endif /* CISCO_EXT */
8168
8169/*
8170 This program is free software; you can redistribute it and/or
8171 modify it under the terms of the GNU General Public License
8172 as published by the Free Software Foundation; either version 2
8173 of the License, or (at your option) any later version.
8174
8175 This program is distributed in the hope that it will be useful,
8176 but WITHOUT ANY WARRANTY; without even the implied warranty of
8177 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8178 GNU General Public License for more details.
8179
8180 In addition:
8181
8182 Redistribution and use in source and binary forms, with or without
8183 modification, are permitted provided that the following conditions
8184 are met:
8185
8186 1. Redistributions of source code must retain the above copyright
8187 notice, this list of conditions and the following disclaimer.
8188 2. Redistributions in binary form must reproduce the above copyright
8189 notice, this list of conditions and the following disclaimer in the
8190 documentation and/or other materials provided with the distribution.
8191 3. The name of the author may not be used to endorse or promote
8192 products derived from this software without specific prior written
8193 permission.
8194
8195 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8196 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8197 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8198 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8199 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8200 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8201 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8202 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8203 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8204 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8205 POSSIBILITY OF SUCH DAMAGE.
8206*/
8207
8208module_init(airo_init_module);
8209module_exit(airo_cleanup_module);
Linux 6.x block layer and io_uring tree(s)