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1/*======================================================================
2
3 Aironet driver for 4500 and 4800 series cards
4
5 This code is released under both the GPL version 2 and BSD licenses.
6 Either license may be used. The respective licenses are found at
7 the end of this file.
8
9 This code was developed by Benjamin Reed <breed@users.sourceforge.net>
10 including portions of which come from the Aironet PC4500
11 Developer's Reference Manual and used with permission. Copyright
12 (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use
13 code in the Developer's manual was granted for this driver by
14 Aironet. Major code contributions were received from Javier Achirica
15 <achirica@users.sourceforge.net> and Jean Tourrilhes <jt@hpl.hp.com>.
16 Code was also integrated from the Cisco Aironet driver for Linux.
17 Support for MPI350 cards was added by Fabrice Bellet
18 <fabrice@bellet.info>.
19
20======================================================================*/
21
22#include <linux/err.h>
23#include <linux/init.h>
24
25#include <linux/kernel.h>
26#include <linux/module.h>
27#include <linux/proc_fs.h>
28
29#include <linux/sched.h>
30#include <linux/ptrace.h>
31#include <linux/slab.h>
32#include <linux/string.h>
33#include <linux/timer.h>
34#include <linux/interrupt.h>
35#include <linux/in.h>
36#include <linux/bitops.h>
37#include <linux/scatterlist.h>
38#include <linux/crypto.h>
39#include <linux/io.h>
40#include <asm/unaligned.h>
41
42#include <linux/netdevice.h>
43#include <linux/etherdevice.h>
44#include <linux/skbuff.h>
45#include <linux/if_arp.h>
46#include <linux/ioport.h>
47#include <linux/pci.h>
48#include <linux/uaccess.h>
49#include <linux/kthread.h>
50#include <linux/freezer.h>
51
52#include <net/cfg80211.h>
53#include <net/iw_handler.h>
54
55#include "airo.h"
56
57#define DRV_NAME "airo"
58
59#ifdef CONFIG_PCI
60static const struct pci_device_id card_ids[] = {
61 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
62 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
63 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
67 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
68 { 0, }
69};
70MODULE_DEVICE_TABLE(pci, card_ids);
71
72static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
73static void airo_pci_remove(struct pci_dev *);
74static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
75static int airo_pci_resume(struct pci_dev *pdev);
76
77static struct pci_driver airo_driver = {
78 .name = DRV_NAME,
79 .id_table = card_ids,
80 .probe = airo_pci_probe,
81 .remove = airo_pci_remove,
82 .suspend = airo_pci_suspend,
83 .resume = airo_pci_resume,
84};
85#endif /* CONFIG_PCI */
86
87/* Include Wireless Extension definition and check version - Jean II */
88#include <linux/wireless.h>
89#define WIRELESS_SPY /* enable iwspy support */
90
91#define CISCO_EXT /* enable Cisco extensions */
92#ifdef CISCO_EXT
93#include <linux/delay.h>
94#endif
95
96/* Hack to do some power saving */
97#define POWER_ON_DOWN
98
99/* As you can see this list is HUGH!
100 I really don't know what a lot of these counts are about, but they
101 are all here for completeness. If the IGNLABEL macro is put in
102 infront of the label, that statistic will not be included in the list
103 of statistics in the /proc filesystem */
104
105#define IGNLABEL(comment) NULL
106static const char *statsLabels[] = {
107 "RxOverrun",
108 IGNLABEL("RxPlcpCrcErr"),
109 IGNLABEL("RxPlcpFormatErr"),
110 IGNLABEL("RxPlcpLengthErr"),
111 "RxMacCrcErr",
112 "RxMacCrcOk",
113 "RxWepErr",
114 "RxWepOk",
115 "RetryLong",
116 "RetryShort",
117 "MaxRetries",
118 "NoAck",
119 "NoCts",
120 "RxAck",
121 "RxCts",
122 "TxAck",
123 "TxRts",
124 "TxCts",
125 "TxMc",
126 "TxBc",
127 "TxUcFrags",
128 "TxUcPackets",
129 "TxBeacon",
130 "RxBeacon",
131 "TxSinColl",
132 "TxMulColl",
133 "DefersNo",
134 "DefersProt",
135 "DefersEngy",
136 "DupFram",
137 "RxFragDisc",
138 "TxAged",
139 "RxAged",
140 "LostSync-MaxRetry",
141 "LostSync-MissedBeacons",
142 "LostSync-ArlExceeded",
143 "LostSync-Deauth",
144 "LostSync-Disassoced",
145 "LostSync-TsfTiming",
146 "HostTxMc",
147 "HostTxBc",
148 "HostTxUc",
149 "HostTxFail",
150 "HostRxMc",
151 "HostRxBc",
152 "HostRxUc",
153 "HostRxDiscard",
154 IGNLABEL("HmacTxMc"),
155 IGNLABEL("HmacTxBc"),
156 IGNLABEL("HmacTxUc"),
157 IGNLABEL("HmacTxFail"),
158 IGNLABEL("HmacRxMc"),
159 IGNLABEL("HmacRxBc"),
160 IGNLABEL("HmacRxUc"),
161 IGNLABEL("HmacRxDiscard"),
162 IGNLABEL("HmacRxAccepted"),
163 "SsidMismatch",
164 "ApMismatch",
165 "RatesMismatch",
166 "AuthReject",
167 "AuthTimeout",
168 "AssocReject",
169 "AssocTimeout",
170 IGNLABEL("ReasonOutsideTable"),
171 IGNLABEL("ReasonStatus1"),
172 IGNLABEL("ReasonStatus2"),
173 IGNLABEL("ReasonStatus3"),
174 IGNLABEL("ReasonStatus4"),
175 IGNLABEL("ReasonStatus5"),
176 IGNLABEL("ReasonStatus6"),
177 IGNLABEL("ReasonStatus7"),
178 IGNLABEL("ReasonStatus8"),
179 IGNLABEL("ReasonStatus9"),
180 IGNLABEL("ReasonStatus10"),
181 IGNLABEL("ReasonStatus11"),
182 IGNLABEL("ReasonStatus12"),
183 IGNLABEL("ReasonStatus13"),
184 IGNLABEL("ReasonStatus14"),
185 IGNLABEL("ReasonStatus15"),
186 IGNLABEL("ReasonStatus16"),
187 IGNLABEL("ReasonStatus17"),
188 IGNLABEL("ReasonStatus18"),
189 IGNLABEL("ReasonStatus19"),
190 "RxMan",
191 "TxMan",
192 "RxRefresh",
193 "TxRefresh",
194 "RxPoll",
195 "TxPoll",
196 "HostRetries",
197 "LostSync-HostReq",
198 "HostTxBytes",
199 "HostRxBytes",
200 "ElapsedUsec",
201 "ElapsedSec",
202 "LostSyncBetterAP",
203 "PrivacyMismatch",
204 "Jammed",
205 "DiscRxNotWepped",
206 "PhyEleMismatch",
207 (char*)-1 };
208#ifndef RUN_AT
209#define RUN_AT(x) (jiffies+(x))
210#endif
211
212
213/* These variables are for insmod, since it seems that the rates
214 can only be set in setup_card. Rates should be a comma separated
215 (no spaces) list of rates (up to 8). */
216
217static int rates[8];
218static char *ssids[3];
219
220static int io[4];
221static int irq[4];
222
223static
224int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
225 0 means no limit. For old cards this was 4 */
226
227static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
228static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
229 the bap, needed on some older cards and buses. */
230static int adhoc;
231
232static int probe = 1;
233
234static kuid_t proc_kuid;
235static int proc_uid /* = 0 */;
236
237static kgid_t proc_kgid;
238static int proc_gid /* = 0 */;
239
240static int airo_perm = 0555;
241
242static int proc_perm = 0644;
243
244MODULE_AUTHOR("Benjamin Reed");
245MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet cards. "
246 "Direct support for ISA/PCI/MPI cards and support for PCMCIA when used with airo_cs.");
247MODULE_LICENSE("Dual BSD/GPL");
248MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
249module_param_array(io, int, NULL, 0);
250module_param_array(irq, int, NULL, 0);
251module_param_array(rates, int, NULL, 0);
252module_param_array(ssids, charp, NULL, 0);
253module_param(auto_wep, int, 0);
254MODULE_PARM_DESC(auto_wep,
255 "If non-zero, the driver will keep looping through the authentication options until an association is made. "
256 "The value of auto_wep is number of the wep keys to check. "
257 "A value of 2 will try using the key at index 0 and index 1.");
258module_param(aux_bap, int, 0);
259MODULE_PARM_DESC(aux_bap,
260 "If non-zero, the driver will switch into a mode that seems to work better for older cards with some older buses. "
261 "Before switching it checks that the switch is needed.");
262module_param(maxencrypt, int, 0);
263MODULE_PARM_DESC(maxencrypt,
264 "The maximum speed that the card can do encryption. "
265 "Units are in 512kbs. "
266 "Zero (default) means there is no limit. "
267 "Older cards used to be limited to 2mbs (4).");
268module_param(adhoc, int, 0);
269MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
270module_param(probe, int, 0);
271MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
272
273module_param(proc_uid, int, 0);
274MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
275module_param(proc_gid, int, 0);
276MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
277module_param(airo_perm, int, 0);
278MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
279module_param(proc_perm, int, 0);
280MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
281
282/* This is a kind of sloppy hack to get this information to OUT4500 and
283 IN4500. I would be extremely interested in the situation where this
284 doesn't work though!!! */
285static int do8bitIO /* = 0 */;
286
287/* Return codes */
288#define SUCCESS 0
289#define ERROR -1
290#define NO_PACKET -2
291
292/* Commands */
293#define NOP2 0x0000
294#define MAC_ENABLE 0x0001
295#define MAC_DISABLE 0x0002
296#define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
297#define CMD_SOFTRESET 0x0004
298#define HOSTSLEEP 0x0005
299#define CMD_MAGIC_PKT 0x0006
300#define CMD_SETWAKEMASK 0x0007
301#define CMD_READCFG 0x0008
302#define CMD_SETMODE 0x0009
303#define CMD_ALLOCATETX 0x000a
304#define CMD_TRANSMIT 0x000b
305#define CMD_DEALLOCATETX 0x000c
306#define NOP 0x0010
307#define CMD_WORKAROUND 0x0011
308#define CMD_ALLOCATEAUX 0x0020
309#define CMD_ACCESS 0x0021
310#define CMD_PCIBAP 0x0022
311#define CMD_PCIAUX 0x0023
312#define CMD_ALLOCBUF 0x0028
313#define CMD_GETTLV 0x0029
314#define CMD_PUTTLV 0x002a
315#define CMD_DELTLV 0x002b
316#define CMD_FINDNEXTTLV 0x002c
317#define CMD_PSPNODES 0x0030
318#define CMD_SETCW 0x0031
319#define CMD_SETPCF 0x0032
320#define CMD_SETPHYREG 0x003e
321#define CMD_TXTEST 0x003f
322#define MAC_ENABLETX 0x0101
323#define CMD_LISTBSS 0x0103
324#define CMD_SAVECFG 0x0108
325#define CMD_ENABLEAUX 0x0111
326#define CMD_WRITERID 0x0121
327#define CMD_USEPSPNODES 0x0130
328#define MAC_ENABLERX 0x0201
329
330/* Command errors */
331#define ERROR_QUALIF 0x00
332#define ERROR_ILLCMD 0x01
333#define ERROR_ILLFMT 0x02
334#define ERROR_INVFID 0x03
335#define ERROR_INVRID 0x04
336#define ERROR_LARGE 0x05
337#define ERROR_NDISABL 0x06
338#define ERROR_ALLOCBSY 0x07
339#define ERROR_NORD 0x0B
340#define ERROR_NOWR 0x0C
341#define ERROR_INVFIDTX 0x0D
342#define ERROR_TESTACT 0x0E
343#define ERROR_TAGNFND 0x12
344#define ERROR_DECODE 0x20
345#define ERROR_DESCUNAV 0x21
346#define ERROR_BADLEN 0x22
347#define ERROR_MODE 0x80
348#define ERROR_HOP 0x81
349#define ERROR_BINTER 0x82
350#define ERROR_RXMODE 0x83
351#define ERROR_MACADDR 0x84
352#define ERROR_RATES 0x85
353#define ERROR_ORDER 0x86
354#define ERROR_SCAN 0x87
355#define ERROR_AUTH 0x88
356#define ERROR_PSMODE 0x89
357#define ERROR_RTYPE 0x8A
358#define ERROR_DIVER 0x8B
359#define ERROR_SSID 0x8C
360#define ERROR_APLIST 0x8D
361#define ERROR_AUTOWAKE 0x8E
362#define ERROR_LEAP 0x8F
363
364/* Registers */
365#define COMMAND 0x00
366#define PARAM0 0x02
367#define PARAM1 0x04
368#define PARAM2 0x06
369#define STATUS 0x08
370#define RESP0 0x0a
371#define RESP1 0x0c
372#define RESP2 0x0e
373#define LINKSTAT 0x10
374#define SELECT0 0x18
375#define OFFSET0 0x1c
376#define RXFID 0x20
377#define TXALLOCFID 0x22
378#define TXCOMPLFID 0x24
379#define DATA0 0x36
380#define EVSTAT 0x30
381#define EVINTEN 0x32
382#define EVACK 0x34
383#define SWS0 0x28
384#define SWS1 0x2a
385#define SWS2 0x2c
386#define SWS3 0x2e
387#define AUXPAGE 0x3A
388#define AUXOFF 0x3C
389#define AUXDATA 0x3E
390
391#define FID_TX 1
392#define FID_RX 2
393/* Offset into aux memory for descriptors */
394#define AUX_OFFSET 0x800
395/* Size of allocated packets */
396#define PKTSIZE 1840
397#define RIDSIZE 2048
398/* Size of the transmit queue */
399#define MAXTXQ 64
400
401/* BAP selectors */
402#define BAP0 0 /* Used for receiving packets */
403#define BAP1 2 /* Used for xmiting packets and working with RIDS */
404
405/* Flags */
406#define COMMAND_BUSY 0x8000
407
408#define BAP_BUSY 0x8000
409#define BAP_ERR 0x4000
410#define BAP_DONE 0x2000
411
412#define PROMISC 0xffff
413#define NOPROMISC 0x0000
414
415#define EV_CMD 0x10
416#define EV_CLEARCOMMANDBUSY 0x4000
417#define EV_RX 0x01
418#define EV_TX 0x02
419#define EV_TXEXC 0x04
420#define EV_ALLOC 0x08
421#define EV_LINK 0x80
422#define EV_AWAKE 0x100
423#define EV_TXCPY 0x400
424#define EV_UNKNOWN 0x800
425#define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
426#define EV_AWAKEN 0x2000
427#define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
428
429#ifdef CHECK_UNKNOWN_INTS
430#define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
431#else
432#define IGNORE_INTS (~STATUS_INTS)
433#endif
434
435/* RID TYPES */
436#define RID_RW 0x20
437
438/* The RIDs */
439#define RID_CAPABILITIES 0xFF00
440#define RID_APINFO 0xFF01
441#define RID_RADIOINFO 0xFF02
442#define RID_UNKNOWN3 0xFF03
443#define RID_RSSI 0xFF04
444#define RID_CONFIG 0xFF10
445#define RID_SSID 0xFF11
446#define RID_APLIST 0xFF12
447#define RID_DRVNAME 0xFF13
448#define RID_ETHERENCAP 0xFF14
449#define RID_WEP_TEMP 0xFF15
450#define RID_WEP_PERM 0xFF16
451#define RID_MODULATION 0xFF17
452#define RID_OPTIONS 0xFF18
453#define RID_ACTUALCONFIG 0xFF20 /*readonly*/
454#define RID_FACTORYCONFIG 0xFF21
455#define RID_UNKNOWN22 0xFF22
456#define RID_LEAPUSERNAME 0xFF23
457#define RID_LEAPPASSWORD 0xFF24
458#define RID_STATUS 0xFF50
459#define RID_BEACON_HST 0xFF51
460#define RID_BUSY_HST 0xFF52
461#define RID_RETRIES_HST 0xFF53
462#define RID_UNKNOWN54 0xFF54
463#define RID_UNKNOWN55 0xFF55
464#define RID_UNKNOWN56 0xFF56
465#define RID_MIC 0xFF57
466#define RID_STATS16 0xFF60
467#define RID_STATS16DELTA 0xFF61
468#define RID_STATS16DELTACLEAR 0xFF62
469#define RID_STATS 0xFF68
470#define RID_STATSDELTA 0xFF69
471#define RID_STATSDELTACLEAR 0xFF6A
472#define RID_ECHOTEST_RID 0xFF70
473#define RID_ECHOTEST_RESULTS 0xFF71
474#define RID_BSSLISTFIRST 0xFF72
475#define RID_BSSLISTNEXT 0xFF73
476#define RID_WPA_BSSLISTFIRST 0xFF74
477#define RID_WPA_BSSLISTNEXT 0xFF75
478
479typedef struct {
480 u16 cmd;
481 u16 parm0;
482 u16 parm1;
483 u16 parm2;
484} Cmd;
485
486typedef struct {
487 u16 status;
488 u16 rsp0;
489 u16 rsp1;
490 u16 rsp2;
491} Resp;
492
493/*
494 * Rids and endian-ness: The Rids will always be in cpu endian, since
495 * this all the patches from the big-endian guys end up doing that.
496 * so all rid access should use the read/writeXXXRid routines.
497 */
498
499/* This structure came from an email sent to me from an engineer at
500 aironet for inclusion into this driver */
501typedef struct WepKeyRid WepKeyRid;
502struct WepKeyRid {
503 __le16 len;
504 __le16 kindex;
505 u8 mac[ETH_ALEN];
506 __le16 klen;
507 u8 key[16];
508} __packed;
509
510/* These structures are from the Aironet's PC4500 Developers Manual */
511typedef struct Ssid Ssid;
512struct Ssid {
513 __le16 len;
514 u8 ssid[32];
515} __packed;
516
517typedef struct SsidRid SsidRid;
518struct SsidRid {
519 __le16 len;
520 Ssid ssids[3];
521} __packed;
522
523typedef struct ModulationRid ModulationRid;
524struct ModulationRid {
525 __le16 len;
526 __le16 modulation;
527#define MOD_DEFAULT cpu_to_le16(0)
528#define MOD_CCK cpu_to_le16(1)
529#define MOD_MOK cpu_to_le16(2)
530} __packed;
531
532typedef struct ConfigRid ConfigRid;
533struct ConfigRid {
534 __le16 len; /* sizeof(ConfigRid) */
535 __le16 opmode; /* operating mode */
536#define MODE_STA_IBSS cpu_to_le16(0)
537#define MODE_STA_ESS cpu_to_le16(1)
538#define MODE_AP cpu_to_le16(2)
539#define MODE_AP_RPTR cpu_to_le16(3)
540#define MODE_CFG_MASK cpu_to_le16(0xff)
541#define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
542#define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
543#define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
544#define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
545#define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
546#define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
547#define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
548#define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
549#define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
550 __le16 rmode; /* receive mode */
551#define RXMODE_BC_MC_ADDR cpu_to_le16(0)
552#define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
553#define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
554#define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
555#define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
556#define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
557#define RXMODE_MASK cpu_to_le16(255)
558#define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
559#define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
560#define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
561 __le16 fragThresh;
562 __le16 rtsThres;
563 u8 macAddr[ETH_ALEN];
564 u8 rates[8];
565 __le16 shortRetryLimit;
566 __le16 longRetryLimit;
567 __le16 txLifetime; /* in kusec */
568 __le16 rxLifetime; /* in kusec */
569 __le16 stationary;
570 __le16 ordering;
571 __le16 u16deviceType; /* for overriding device type */
572 __le16 cfpRate;
573 __le16 cfpDuration;
574 __le16 _reserved1[3];
575 /*---------- Scanning/Associating ----------*/
576 __le16 scanMode;
577#define SCANMODE_ACTIVE cpu_to_le16(0)
578#define SCANMODE_PASSIVE cpu_to_le16(1)
579#define SCANMODE_AIROSCAN cpu_to_le16(2)
580 __le16 probeDelay; /* in kusec */
581 __le16 probeEnergyTimeout; /* in kusec */
582 __le16 probeResponseTimeout;
583 __le16 beaconListenTimeout;
584 __le16 joinNetTimeout;
585 __le16 authTimeout;
586 __le16 authType;
587#define AUTH_OPEN cpu_to_le16(0x1)
588#define AUTH_ENCRYPT cpu_to_le16(0x101)
589#define AUTH_SHAREDKEY cpu_to_le16(0x102)
590#define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
591 __le16 associationTimeout;
592 __le16 specifiedApTimeout;
593 __le16 offlineScanInterval;
594 __le16 offlineScanDuration;
595 __le16 linkLossDelay;
596 __le16 maxBeaconLostTime;
597 __le16 refreshInterval;
598#define DISABLE_REFRESH cpu_to_le16(0xFFFF)
599 __le16 _reserved1a[1];
600 /*---------- Power save operation ----------*/
601 __le16 powerSaveMode;
602#define POWERSAVE_CAM cpu_to_le16(0)
603#define POWERSAVE_PSP cpu_to_le16(1)
604#define POWERSAVE_PSPCAM cpu_to_le16(2)
605 __le16 sleepForDtims;
606 __le16 listenInterval;
607 __le16 fastListenInterval;
608 __le16 listenDecay;
609 __le16 fastListenDelay;
610 __le16 _reserved2[2];
611 /*---------- Ap/Ibss config items ----------*/
612 __le16 beaconPeriod;
613 __le16 atimDuration;
614 __le16 hopPeriod;
615 __le16 channelSet;
616 __le16 channel;
617 __le16 dtimPeriod;
618 __le16 bridgeDistance;
619 __le16 radioID;
620 /*---------- Radio configuration ----------*/
621 __le16 radioType;
622#define RADIOTYPE_DEFAULT cpu_to_le16(0)
623#define RADIOTYPE_802_11 cpu_to_le16(1)
624#define RADIOTYPE_LEGACY cpu_to_le16(2)
625 u8 rxDiversity;
626 u8 txDiversity;
627 __le16 txPower;
628#define TXPOWER_DEFAULT 0
629 __le16 rssiThreshold;
630#define RSSI_DEFAULT 0
631 __le16 modulation;
632#define PREAMBLE_AUTO cpu_to_le16(0)
633#define PREAMBLE_LONG cpu_to_le16(1)
634#define PREAMBLE_SHORT cpu_to_le16(2)
635 __le16 preamble;
636 __le16 homeProduct;
637 __le16 radioSpecific;
638 /*---------- Aironet Extensions ----------*/
639 u8 nodeName[16];
640 __le16 arlThreshold;
641 __le16 arlDecay;
642 __le16 arlDelay;
643 __le16 _reserved4[1];
644 /*---------- Aironet Extensions ----------*/
645 u8 magicAction;
646#define MAGIC_ACTION_STSCHG 1
647#define MAGIC_ACTION_RESUME 2
648#define MAGIC_IGNORE_MCAST (1<<8)
649#define MAGIC_IGNORE_BCAST (1<<9)
650#define MAGIC_SWITCH_TO_PSP (0<<10)
651#define MAGIC_STAY_IN_CAM (1<<10)
652 u8 magicControl;
653 __le16 autoWake;
654} __packed;
655
656typedef struct StatusRid StatusRid;
657struct StatusRid {
658 __le16 len;
659 u8 mac[ETH_ALEN];
660 __le16 mode;
661 __le16 errorCode;
662 __le16 sigQuality;
663 __le16 SSIDlen;
664 char SSID[32];
665 char apName[16];
666 u8 bssid[4][ETH_ALEN];
667 __le16 beaconPeriod;
668 __le16 dimPeriod;
669 __le16 atimDuration;
670 __le16 hopPeriod;
671 __le16 channelSet;
672 __le16 channel;
673 __le16 hopsToBackbone;
674 __le16 apTotalLoad;
675 __le16 generatedLoad;
676 __le16 accumulatedArl;
677 __le16 signalQuality;
678 __le16 currentXmitRate;
679 __le16 apDevExtensions;
680 __le16 normalizedSignalStrength;
681 __le16 shortPreamble;
682 u8 apIP[4];
683 u8 noisePercent; /* Noise percent in last second */
684 u8 noisedBm; /* Noise dBm in last second */
685 u8 noiseAvePercent; /* Noise percent in last minute */
686 u8 noiseAvedBm; /* Noise dBm in last minute */
687 u8 noiseMaxPercent; /* Highest noise percent in last minute */
688 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
689 __le16 load;
690 u8 carrier[4];
691 __le16 assocStatus;
692#define STAT_NOPACKETS 0
693#define STAT_NOCARRIERSET 10
694#define STAT_GOTCARRIERSET 11
695#define STAT_WRONGSSID 20
696#define STAT_BADCHANNEL 25
697#define STAT_BADBITRATES 30
698#define STAT_BADPRIVACY 35
699#define STAT_APFOUND 40
700#define STAT_APREJECTED 50
701#define STAT_AUTHENTICATING 60
702#define STAT_DEAUTHENTICATED 61
703#define STAT_AUTHTIMEOUT 62
704#define STAT_ASSOCIATING 70
705#define STAT_DEASSOCIATED 71
706#define STAT_ASSOCTIMEOUT 72
707#define STAT_NOTAIROAP 73
708#define STAT_ASSOCIATED 80
709#define STAT_LEAPING 90
710#define STAT_LEAPFAILED 91
711#define STAT_LEAPTIMEDOUT 92
712#define STAT_LEAPCOMPLETE 93
713} __packed;
714
715typedef struct StatsRid StatsRid;
716struct StatsRid {
717 __le16 len;
718 __le16 spacer;
719 __le32 vals[100];
720} __packed;
721
722typedef struct APListRid APListRid;
723struct APListRid {
724 __le16 len;
725 u8 ap[4][ETH_ALEN];
726} __packed;
727
728typedef struct CapabilityRid CapabilityRid;
729struct CapabilityRid {
730 __le16 len;
731 char oui[3];
732 char zero;
733 __le16 prodNum;
734 char manName[32];
735 char prodName[16];
736 char prodVer[8];
737 char factoryAddr[ETH_ALEN];
738 char aironetAddr[ETH_ALEN];
739 __le16 radioType;
740 __le16 country;
741 char callid[ETH_ALEN];
742 char supportedRates[8];
743 char rxDiversity;
744 char txDiversity;
745 __le16 txPowerLevels[8];
746 __le16 hardVer;
747 __le16 hardCap;
748 __le16 tempRange;
749 __le16 softVer;
750 __le16 softSubVer;
751 __le16 interfaceVer;
752 __le16 softCap;
753 __le16 bootBlockVer;
754 __le16 requiredHard;
755 __le16 extSoftCap;
756} __packed;
757
758/* Only present on firmware >= 5.30.17 */
759typedef struct BSSListRidExtra BSSListRidExtra;
760struct BSSListRidExtra {
761 __le16 unknown[4];
762 u8 fixed[12]; /* WLAN management frame */
763 u8 iep[624];
764} __packed;
765
766typedef struct BSSListRid BSSListRid;
767struct BSSListRid {
768 __le16 len;
769 __le16 index; /* First is 0 and 0xffff means end of list */
770#define RADIO_FH 1 /* Frequency hopping radio type */
771#define RADIO_DS 2 /* Direct sequence radio type */
772#define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
773 __le16 radioType;
774 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
775 u8 zero;
776 u8 ssidLen;
777 u8 ssid[32];
778 __le16 dBm;
779#define CAP_ESS cpu_to_le16(1<<0)
780#define CAP_IBSS cpu_to_le16(1<<1)
781#define CAP_PRIVACY cpu_to_le16(1<<4)
782#define CAP_SHORTHDR cpu_to_le16(1<<5)
783 __le16 cap;
784 __le16 beaconInterval;
785 u8 rates[8]; /* Same as rates for config rid */
786 struct { /* For frequency hopping only */
787 __le16 dwell;
788 u8 hopSet;
789 u8 hopPattern;
790 u8 hopIndex;
791 u8 fill;
792 } fh;
793 __le16 dsChannel;
794 __le16 atimWindow;
795
796 /* Only present on firmware >= 5.30.17 */
797 BSSListRidExtra extra;
798} __packed;
799
800typedef struct {
801 BSSListRid bss;
802 struct list_head list;
803} BSSListElement;
804
805typedef struct tdsRssiEntry tdsRssiEntry;
806struct tdsRssiEntry {
807 u8 rssipct;
808 u8 rssidBm;
809} __packed;
810
811typedef struct tdsRssiRid tdsRssiRid;
812struct tdsRssiRid {
813 u16 len;
814 tdsRssiEntry x[256];
815} __packed;
816
817typedef struct MICRid MICRid;
818struct MICRid {
819 __le16 len;
820 __le16 state;
821 __le16 multicastValid;
822 u8 multicast[16];
823 __le16 unicastValid;
824 u8 unicast[16];
825} __packed;
826
827typedef struct MICBuffer MICBuffer;
828struct MICBuffer {
829 __be16 typelen;
830
831 union {
832 u8 snap[8];
833 struct {
834 u8 dsap;
835 u8 ssap;
836 u8 control;
837 u8 orgcode[3];
838 u8 fieldtype[2];
839 } llc;
840 } u;
841 __be32 mic;
842 __be32 seq;
843} __packed;
844
845typedef struct {
846 u8 da[ETH_ALEN];
847 u8 sa[ETH_ALEN];
848} etherHead;
849
850#define TXCTL_TXOK (1<<1) /* report if tx is ok */
851#define TXCTL_TXEX (1<<2) /* report if tx fails */
852#define TXCTL_802_3 (0<<3) /* 802.3 packet */
853#define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
854#define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
855#define TXCTL_LLC (1<<4) /* payload is llc */
856#define TXCTL_RELEASE (0<<5) /* release after completion */
857#define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
858
859#define BUSY_FID 0x10000
860
861#ifdef CISCO_EXT
862#define AIROMAGIC 0xa55a
863/* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
864#ifdef SIOCIWFIRSTPRIV
865#ifdef SIOCDEVPRIVATE
866#define AIROOLDIOCTL SIOCDEVPRIVATE
867#define AIROOLDIDIFC AIROOLDIOCTL + 1
868#endif /* SIOCDEVPRIVATE */
869#else /* SIOCIWFIRSTPRIV */
870#define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
871#endif /* SIOCIWFIRSTPRIV */
872/* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
873 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
874 * only and don't return the modified struct ifreq to the application which
875 * is usually a problem. - Jean II */
876#define AIROIOCTL SIOCIWFIRSTPRIV
877#define AIROIDIFC AIROIOCTL + 1
878
879/* Ioctl constants to be used in airo_ioctl.command */
880
881#define AIROGCAP 0 // Capability rid
882#define AIROGCFG 1 // USED A LOT
883#define AIROGSLIST 2 // System ID list
884#define AIROGVLIST 3 // List of specified AP's
885#define AIROGDRVNAM 4 // NOTUSED
886#define AIROGEHTENC 5 // NOTUSED
887#define AIROGWEPKTMP 6
888#define AIROGWEPKNV 7
889#define AIROGSTAT 8
890#define AIROGSTATSC32 9
891#define AIROGSTATSD32 10
892#define AIROGMICRID 11
893#define AIROGMICSTATS 12
894#define AIROGFLAGS 13
895#define AIROGID 14
896#define AIRORRID 15
897#define AIRORSWVERSION 17
898
899/* Leave gap of 40 commands after AIROGSTATSD32 for future */
900
901#define AIROPCAP AIROGSTATSD32 + 40
902#define AIROPVLIST AIROPCAP + 1
903#define AIROPSLIST AIROPVLIST + 1
904#define AIROPCFG AIROPSLIST + 1
905#define AIROPSIDS AIROPCFG + 1
906#define AIROPAPLIST AIROPSIDS + 1
907#define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
908#define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
909#define AIROPSTCLR AIROPMACOFF + 1
910#define AIROPWEPKEY AIROPSTCLR + 1
911#define AIROPWEPKEYNV AIROPWEPKEY + 1
912#define AIROPLEAPPWD AIROPWEPKEYNV + 1
913#define AIROPLEAPUSR AIROPLEAPPWD + 1
914
915/* Flash codes */
916
917#define AIROFLSHRST AIROPWEPKEYNV + 40
918#define AIROFLSHGCHR AIROFLSHRST + 1
919#define AIROFLSHSTFL AIROFLSHGCHR + 1
920#define AIROFLSHPCHR AIROFLSHSTFL + 1
921#define AIROFLPUTBUF AIROFLSHPCHR + 1
922#define AIRORESTART AIROFLPUTBUF + 1
923
924#define FLASHSIZE 32768
925#define AUXMEMSIZE (256 * 1024)
926
927typedef struct aironet_ioctl {
928 unsigned short command; // What to do
929 unsigned short len; // Len of data
930 unsigned short ridnum; // rid number
931 unsigned char __user *data; // d-data
932} aironet_ioctl;
933
934static const char swversion[] = "2.1";
935#endif /* CISCO_EXT */
936
937#define NUM_MODULES 2
938#define MIC_MSGLEN_MAX 2400
939#define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
940#define AIRO_DEF_MTU 2312
941
942typedef struct {
943 u32 size; // size
944 u8 enabled; // MIC enabled or not
945 u32 rxSuccess; // successful packets received
946 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
947 u32 rxNotMICed; // pkts dropped due to not being MIC'd
948 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
949 u32 rxWrongSequence; // pkts dropped due to sequence number violation
950 u32 reserve[32];
951} mic_statistics;
952
953typedef struct {
954 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
955 u64 accum; // accumulated mic, reduced to u32 in final()
956 int position; // current position (byte offset) in message
957 union {
958 u8 d8[4];
959 __be32 d32;
960 } part; // saves partial message word across update() calls
961} emmh32_context;
962
963typedef struct {
964 emmh32_context seed; // Context - the seed
965 u32 rx; // Received sequence number
966 u32 tx; // Tx sequence number
967 u32 window; // Start of window
968 u8 valid; // Flag to say if context is valid or not
969 u8 key[16];
970} miccntx;
971
972typedef struct {
973 miccntx mCtx; // Multicast context
974 miccntx uCtx; // Unicast context
975} mic_module;
976
977typedef struct {
978 unsigned int rid: 16;
979 unsigned int len: 15;
980 unsigned int valid: 1;
981 dma_addr_t host_addr;
982} Rid;
983
984typedef struct {
985 unsigned int offset: 15;
986 unsigned int eoc: 1;
987 unsigned int len: 15;
988 unsigned int valid: 1;
989 dma_addr_t host_addr;
990} TxFid;
991
992struct rx_hdr {
993 __le16 status, len;
994 u8 rssi[2];
995 u8 rate;
996 u8 freq;
997 __le16 tmp[4];
998} __packed;
999
1000typedef struct {
1001 unsigned int ctl: 15;
1002 unsigned int rdy: 1;
1003 unsigned int len: 15;
1004 unsigned int valid: 1;
1005 dma_addr_t host_addr;
1006} RxFid;
1007
1008/*
1009 * Host receive descriptor
1010 */
1011typedef struct {
1012 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1013 desc */
1014 RxFid rx_desc; /* card receive descriptor */
1015 char *virtual_host_addr; /* virtual address of host receive
1016 buffer */
1017 int pending;
1018} HostRxDesc;
1019
1020/*
1021 * Host transmit descriptor
1022 */
1023typedef struct {
1024 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1025 desc */
1026 TxFid tx_desc; /* card transmit descriptor */
1027 char *virtual_host_addr; /* virtual address of host receive
1028 buffer */
1029 int pending;
1030} HostTxDesc;
1031
1032/*
1033 * Host RID descriptor
1034 */
1035typedef struct {
1036 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1037 descriptor */
1038 Rid rid_desc; /* card RID descriptor */
1039 char *virtual_host_addr; /* virtual address of host receive
1040 buffer */
1041} HostRidDesc;
1042
1043typedef struct {
1044 u16 sw0;
1045 u16 sw1;
1046 u16 status;
1047 u16 len;
1048#define HOST_SET (1 << 0)
1049#define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1050#define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1051#define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1052#define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1053#define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1054#define HOST_CLR_AID (1 << 7) /* clear AID failure */
1055#define HOST_RTS (1 << 9) /* Force RTS use */
1056#define HOST_SHORT (1 << 10) /* Do short preamble */
1057 u16 ctl;
1058 u16 aid;
1059 u16 retries;
1060 u16 fill;
1061} TxCtlHdr;
1062
1063typedef struct {
1064 u16 ctl;
1065 u16 duration;
1066 char addr1[6];
1067 char addr2[6];
1068 char addr3[6];
1069 u16 seq;
1070 char addr4[6];
1071} WifiHdr;
1072
1073
1074typedef struct {
1075 TxCtlHdr ctlhdr;
1076 u16 fill1;
1077 u16 fill2;
1078 WifiHdr wifihdr;
1079 u16 gaplen;
1080 u16 status;
1081} WifiCtlHdr;
1082
1083static WifiCtlHdr wifictlhdr8023 = {
1084 .ctlhdr = {
1085 .ctl = HOST_DONT_RLSE,
1086 }
1087};
1088
1089// A few details needed for WEP (Wireless Equivalent Privacy)
1090#define MAX_KEY_SIZE 13 // 128 (?) bits
1091#define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1092typedef struct wep_key_t {
1093 u16 len;
1094 u8 key[16]; /* 40-bit and 104-bit keys */
1095} wep_key_t;
1096
1097/* List of Wireless Handlers (new API) */
1098static const struct iw_handler_def airo_handler_def;
1099
1100static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1101
1102struct airo_info;
1103
1104static int get_dec_u16( char *buffer, int *start, int limit );
1105static void OUT4500( struct airo_info *, u16 register, u16 value );
1106static unsigned short IN4500( struct airo_info *, u16 register );
1107static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1108static int enable_MAC(struct airo_info *ai, int lock);
1109static void disable_MAC(struct airo_info *ai, int lock);
1110static void enable_interrupts(struct airo_info*);
1111static void disable_interrupts(struct airo_info*);
1112static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1113static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1114static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1115 int whichbap);
1116static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1117 int whichbap);
1118static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1119 int whichbap);
1120static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1121static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1122static int PC4500_writerid(struct airo_info*, u16 rid, const void
1123 *pBuf, int len, int lock);
1124static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1125 int len, int dummy );
1126static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1127static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1128static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1129
1130static int mpi_send_packet (struct net_device *dev);
1131static void mpi_unmap_card(struct pci_dev *pci);
1132static void mpi_receive_802_3(struct airo_info *ai);
1133static void mpi_receive_802_11(struct airo_info *ai);
1134static int waitbusy (struct airo_info *ai);
1135
1136static irqreturn_t airo_interrupt( int irq, void* dev_id);
1137static int airo_thread(void *data);
1138static void timer_func( struct net_device *dev );
1139static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1140static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1141static void airo_read_wireless_stats (struct airo_info *local);
1142#ifdef CISCO_EXT
1143static int readrids(struct net_device *dev, aironet_ioctl *comp);
1144static int writerids(struct net_device *dev, aironet_ioctl *comp);
1145static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1146#endif /* CISCO_EXT */
1147static void micinit(struct airo_info *ai);
1148static int micsetup(struct airo_info *ai);
1149static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1150static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1151
1152static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1153static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1154
1155static void airo_networks_free(struct airo_info *ai);
1156
1157struct airo_info {
1158 struct net_device *dev;
1159 struct list_head dev_list;
1160 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1161 use the high bit to mark whether it is in use. */
1162#define MAX_FIDS 6
1163#define MPI_MAX_FIDS 1
1164 u32 fids[MAX_FIDS];
1165 ConfigRid config;
1166 char keyindex; // Used with auto wep
1167 char defindex; // Used with auto wep
1168 struct proc_dir_entry *proc_entry;
1169 spinlock_t aux_lock;
1170#define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1171#define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1172#define FLAG_RADIO_MASK 0x03
1173#define FLAG_ENABLED 2
1174#define FLAG_ADHOC 3 /* Needed by MIC */
1175#define FLAG_MIC_CAPABLE 4
1176#define FLAG_UPDATE_MULTI 5
1177#define FLAG_UPDATE_UNI 6
1178#define FLAG_802_11 7
1179#define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1180#define FLAG_PENDING_XMIT 9
1181#define FLAG_PENDING_XMIT11 10
1182#define FLAG_MPI 11
1183#define FLAG_REGISTERED 12
1184#define FLAG_COMMIT 13
1185#define FLAG_RESET 14
1186#define FLAG_FLASHING 15
1187#define FLAG_WPA_CAPABLE 16
1188 unsigned long flags;
1189#define JOB_DIE 0
1190#define JOB_XMIT 1
1191#define JOB_XMIT11 2
1192#define JOB_STATS 3
1193#define JOB_PROMISC 4
1194#define JOB_MIC 5
1195#define JOB_EVENT 6
1196#define JOB_AUTOWEP 7
1197#define JOB_WSTATS 8
1198#define JOB_SCAN_RESULTS 9
1199 unsigned long jobs;
1200 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1201 int whichbap);
1202 unsigned short *flash;
1203 tdsRssiEntry *rssi;
1204 struct task_struct *list_bss_task;
1205 struct task_struct *airo_thread_task;
1206 struct semaphore sem;
1207 wait_queue_head_t thr_wait;
1208 unsigned long expires;
1209 struct {
1210 struct sk_buff *skb;
1211 int fid;
1212 } xmit, xmit11;
1213 struct net_device *wifidev;
1214 struct iw_statistics wstats; // wireless stats
1215 unsigned long scan_timeout; /* Time scan should be read */
1216 struct iw_spy_data spy_data;
1217 struct iw_public_data wireless_data;
1218 /* MIC stuff */
1219 struct crypto_cipher *tfm;
1220 mic_module mod[2];
1221 mic_statistics micstats;
1222 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1223 HostTxDesc txfids[MPI_MAX_FIDS];
1224 HostRidDesc config_desc;
1225 unsigned long ridbus; // phys addr of config_desc
1226 struct sk_buff_head txq;// tx queue used by mpi350 code
1227 struct pci_dev *pci;
1228 unsigned char __iomem *pcimem;
1229 unsigned char __iomem *pciaux;
1230 unsigned char *shared;
1231 dma_addr_t shared_dma;
1232 pm_message_t power;
1233 SsidRid *SSID;
1234 APListRid APList;
1235#define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1236 char proc_name[IFNAMSIZ];
1237
1238 int wep_capable;
1239 int max_wep_idx;
1240 int last_auth;
1241
1242 /* WPA-related stuff */
1243 unsigned int bssListFirst;
1244 unsigned int bssListNext;
1245 unsigned int bssListRidLen;
1246
1247 struct list_head network_list;
1248 struct list_head network_free_list;
1249 BSSListElement *networks;
1250};
1251
1252static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1253 int whichbap)
1254{
1255 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1256}
1257
1258static int setup_proc_entry( struct net_device *dev,
1259 struct airo_info *apriv );
1260static int takedown_proc_entry( struct net_device *dev,
1261 struct airo_info *apriv );
1262
1263static int cmdreset(struct airo_info *ai);
1264static int setflashmode (struct airo_info *ai);
1265static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1266static int flashputbuf(struct airo_info *ai);
1267static int flashrestart(struct airo_info *ai,struct net_device *dev);
1268
1269#define airo_print(type, name, fmt, args...) \
1270 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1271
1272#define airo_print_info(name, fmt, args...) \
1273 airo_print(KERN_INFO, name, fmt, ##args)
1274
1275#define airo_print_dbg(name, fmt, args...) \
1276 airo_print(KERN_DEBUG, name, fmt, ##args)
1277
1278#define airo_print_warn(name, fmt, args...) \
1279 airo_print(KERN_WARNING, name, fmt, ##args)
1280
1281#define airo_print_err(name, fmt, args...) \
1282 airo_print(KERN_ERR, name, fmt, ##args)
1283
1284#define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash)
1285
1286/***********************************************************************
1287 * MIC ROUTINES *
1288 ***********************************************************************
1289 */
1290
1291static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1292static void MoveWindow(miccntx *context, u32 micSeq);
1293static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1294 struct crypto_cipher *tfm);
1295static void emmh32_init(emmh32_context *context);
1296static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1297static void emmh32_final(emmh32_context *context, u8 digest[4]);
1298static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1299
1300static void age_mic_context(miccntx *cur, miccntx *old, u8 *key, int key_len,
1301 struct crypto_cipher *tfm)
1302{
1303 /* If the current MIC context is valid and its key is the same as
1304 * the MIC register, there's nothing to do.
1305 */
1306 if (cur->valid && (memcmp(cur->key, key, key_len) == 0))
1307 return;
1308
1309 /* Age current mic Context */
1310 memcpy(old, cur, sizeof(*cur));
1311
1312 /* Initialize new context */
1313 memcpy(cur->key, key, key_len);
1314 cur->window = 33; /* Window always points to the middle */
1315 cur->rx = 0; /* Rx Sequence numbers */
1316 cur->tx = 0; /* Tx sequence numbers */
1317 cur->valid = 1; /* Key is now valid */
1318
1319 /* Give key to mic seed */
1320 emmh32_setseed(&cur->seed, key, key_len, tfm);
1321}
1322
1323/* micinit - Initialize mic seed */
1324
1325static void micinit(struct airo_info *ai)
1326{
1327 MICRid mic_rid;
1328
1329 clear_bit(JOB_MIC, &ai->jobs);
1330 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1331 up(&ai->sem);
1332
1333 ai->micstats.enabled = (le16_to_cpu(mic_rid.state) & 0x00FF) ? 1 : 0;
1334 if (!ai->micstats.enabled) {
1335 /* So next time we have a valid key and mic is enabled, we will
1336 * update the sequence number if the key is the same as before.
1337 */
1338 ai->mod[0].uCtx.valid = 0;
1339 ai->mod[0].mCtx.valid = 0;
1340 return;
1341 }
1342
1343 if (mic_rid.multicastValid) {
1344 age_mic_context(&ai->mod[0].mCtx, &ai->mod[1].mCtx,
1345 mic_rid.multicast, sizeof(mic_rid.multicast),
1346 ai->tfm);
1347 }
1348
1349 if (mic_rid.unicastValid) {
1350 age_mic_context(&ai->mod[0].uCtx, &ai->mod[1].uCtx,
1351 mic_rid.unicast, sizeof(mic_rid.unicast),
1352 ai->tfm);
1353 }
1354}
1355
1356/* micsetup - Get ready for business */
1357
1358static int micsetup(struct airo_info *ai) {
1359 int i;
1360
1361 if (ai->tfm == NULL)
1362 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1363
1364 if (IS_ERR(ai->tfm)) {
1365 airo_print_err(ai->dev->name, "failed to load transform for AES");
1366 ai->tfm = NULL;
1367 return ERROR;
1368 }
1369
1370 for (i=0; i < NUM_MODULES; i++) {
1371 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1372 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1373 }
1374 return SUCCESS;
1375}
1376
1377static const u8 micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1378
1379/*===========================================================================
1380 * Description: Mic a packet
1381 *
1382 * Inputs: etherHead * pointer to an 802.3 frame
1383 *
1384 * Returns: BOOLEAN if successful, otherwise false.
1385 * PacketTxLen will be updated with the mic'd packets size.
1386 *
1387 * Caveats: It is assumed that the frame buffer will already
1388 * be big enough to hold the largets mic message possible.
1389 * (No memory allocation is done here).
1390 *
1391 * Author: sbraneky (10/15/01)
1392 * Merciless hacks by rwilcher (1/14/02)
1393 */
1394
1395static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1396{
1397 miccntx *context;
1398
1399 // Determine correct context
1400 // If not adhoc, always use unicast key
1401
1402 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1403 context = &ai->mod[0].mCtx;
1404 else
1405 context = &ai->mod[0].uCtx;
1406
1407 if (!context->valid)
1408 return ERROR;
1409
1410 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1411
1412 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1413
1414 // Add Tx sequence
1415 mic->seq = htonl(context->tx);
1416 context->tx += 2;
1417
1418 emmh32_init(&context->seed); // Mic the packet
1419 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1420 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1421 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1422 emmh32_update(&context->seed,(u8*)(frame + 1),payLen); //payload
1423 emmh32_final(&context->seed, (u8*)&mic->mic);
1424
1425 /* New Type/length ?????????? */
1426 mic->typelen = 0; //Let NIC know it could be an oversized packet
1427 return SUCCESS;
1428}
1429
1430typedef enum {
1431 NONE,
1432 NOMIC,
1433 NOMICPLUMMED,
1434 SEQUENCE,
1435 INCORRECTMIC,
1436} mic_error;
1437
1438/*===========================================================================
1439 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1440 * (removes the MIC stuff) if packet is a valid packet.
1441 *
1442 * Inputs: etherHead pointer to the 802.3 packet
1443 *
1444 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1445 *
1446 * Author: sbraneky (10/15/01)
1447 * Merciless hacks by rwilcher (1/14/02)
1448 *---------------------------------------------------------------------------
1449 */
1450
1451static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1452{
1453 int i;
1454 u32 micSEQ;
1455 miccntx *context;
1456 u8 digest[4];
1457 mic_error micError = NONE;
1458
1459 // Check if the packet is a Mic'd packet
1460
1461 if (!ai->micstats.enabled) {
1462 //No Mic set or Mic OFF but we received a MIC'd packet.
1463 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1464 ai->micstats.rxMICPlummed++;
1465 return ERROR;
1466 }
1467 return SUCCESS;
1468 }
1469
1470 if (ntohs(mic->typelen) == 0x888E)
1471 return SUCCESS;
1472
1473 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1474 // Mic enabled but packet isn't Mic'd
1475 ai->micstats.rxMICPlummed++;
1476 return ERROR;
1477 }
1478
1479 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1480
1481 //At this point we a have a mic'd packet and mic is enabled
1482 //Now do the mic error checking.
1483
1484 //Receive seq must be odd
1485 if ( (micSEQ & 1) == 0 ) {
1486 ai->micstats.rxWrongSequence++;
1487 return ERROR;
1488 }
1489
1490 for (i = 0; i < NUM_MODULES; i++) {
1491 int mcast = eth->da[0] & 1;
1492 //Determine proper context
1493 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1494
1495 //Make sure context is valid
1496 if (!context->valid) {
1497 if (i == 0)
1498 micError = NOMICPLUMMED;
1499 continue;
1500 }
1501 //DeMic it
1502
1503 if (!mic->typelen)
1504 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1505
1506 emmh32_init(&context->seed);
1507 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1508 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1509 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1510 emmh32_update(&context->seed, (u8 *)(eth + 1),payLen);
1511 //Calculate MIC
1512 emmh32_final(&context->seed, digest);
1513
1514 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1515 //Invalid Mic
1516 if (i == 0)
1517 micError = INCORRECTMIC;
1518 continue;
1519 }
1520
1521 //Check Sequence number if mics pass
1522 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1523 ai->micstats.rxSuccess++;
1524 return SUCCESS;
1525 }
1526 if (i == 0)
1527 micError = SEQUENCE;
1528 }
1529
1530 // Update statistics
1531 switch (micError) {
1532 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1533 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1534 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1535 case NONE: break;
1536 case NOMIC: break;
1537 }
1538 return ERROR;
1539}
1540
1541/*===========================================================================
1542 * Description: Checks the Rx Seq number to make sure it is valid
1543 * and hasn't already been received
1544 *
1545 * Inputs: miccntx - mic context to check seq against
1546 * micSeq - the Mic seq number
1547 *
1548 * Returns: TRUE if valid otherwise FALSE.
1549 *
1550 * Author: sbraneky (10/15/01)
1551 * Merciless hacks by rwilcher (1/14/02)
1552 *---------------------------------------------------------------------------
1553 */
1554
1555static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1556{
1557 u32 seq,index;
1558
1559 //Allow for the ap being rebooted - if it is then use the next
1560 //sequence number of the current sequence number - might go backwards
1561
1562 if (mcast) {
1563 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1564 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1565 context->window = (micSeq > 33) ? micSeq : 33;
1566 context->rx = 0; // Reset rx
1567 }
1568 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1569 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1570 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1571 context->rx = 0; // Reset rx
1572 }
1573
1574 //Make sequence number relative to START of window
1575 seq = micSeq - (context->window - 33);
1576
1577 //Too old of a SEQ number to check.
1578 if ((s32)seq < 0)
1579 return ERROR;
1580
1581 if ( seq > 64 ) {
1582 //Window is infinite forward
1583 MoveWindow(context,micSeq);
1584 return SUCCESS;
1585 }
1586
1587 // We are in the window. Now check the context rx bit to see if it was already sent
1588 seq >>= 1; //divide by 2 because we only have odd numbers
1589 index = 1 << seq; //Get an index number
1590
1591 if (!(context->rx & index)) {
1592 //micSEQ falls inside the window.
1593 //Add seqence number to the list of received numbers.
1594 context->rx |= index;
1595
1596 MoveWindow(context,micSeq);
1597
1598 return SUCCESS;
1599 }
1600 return ERROR;
1601}
1602
1603static void MoveWindow(miccntx *context, u32 micSeq)
1604{
1605 u32 shift;
1606
1607 //Move window if seq greater than the middle of the window
1608 if (micSeq > context->window) {
1609 shift = (micSeq - context->window) >> 1;
1610
1611 //Shift out old
1612 if (shift < 32)
1613 context->rx >>= shift;
1614 else
1615 context->rx = 0;
1616
1617 context->window = micSeq; //Move window
1618 }
1619}
1620
1621/*==============================================*/
1622/*========== EMMH ROUTINES ====================*/
1623/*==============================================*/
1624
1625/* mic accumulate */
1626#define MIC_ACCUM(val) \
1627 context->accum += (u64)(val) * context->coeff[coeff_position++];
1628
1629static unsigned char aes_counter[16];
1630
1631/* expand the key to fill the MMH coefficient array */
1632static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1633 struct crypto_cipher *tfm)
1634{
1635 /* take the keying material, expand if necessary, truncate at 16-bytes */
1636 /* run through AES counter mode to generate context->coeff[] */
1637
1638 int i,j;
1639 u32 counter;
1640 u8 *cipher, plain[16];
1641
1642 crypto_cipher_setkey(tfm, pkey, 16);
1643 counter = 0;
1644 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1645 aes_counter[15] = (u8)(counter >> 0);
1646 aes_counter[14] = (u8)(counter >> 8);
1647 aes_counter[13] = (u8)(counter >> 16);
1648 aes_counter[12] = (u8)(counter >> 24);
1649 counter++;
1650 memcpy (plain, aes_counter, 16);
1651 crypto_cipher_encrypt_one(tfm, plain, plain);
1652 cipher = plain;
1653 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1654 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1655 j += 4;
1656 }
1657 }
1658}
1659
1660/* prepare for calculation of a new mic */
1661static void emmh32_init(emmh32_context *context)
1662{
1663 /* prepare for new mic calculation */
1664 context->accum = 0;
1665 context->position = 0;
1666}
1667
1668/* add some bytes to the mic calculation */
1669static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1670{
1671 int coeff_position, byte_position;
1672
1673 if (len == 0) return;
1674
1675 coeff_position = context->position >> 2;
1676
1677 /* deal with partial 32-bit word left over from last update */
1678 byte_position = context->position & 3;
1679 if (byte_position) {
1680 /* have a partial word in part to deal with */
1681 do {
1682 if (len == 0) return;
1683 context->part.d8[byte_position++] = *pOctets++;
1684 context->position++;
1685 len--;
1686 } while (byte_position < 4);
1687 MIC_ACCUM(ntohl(context->part.d32));
1688 }
1689
1690 /* deal with full 32-bit words */
1691 while (len >= 4) {
1692 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1693 context->position += 4;
1694 pOctets += 4;
1695 len -= 4;
1696 }
1697
1698 /* deal with partial 32-bit word that will be left over from this update */
1699 byte_position = 0;
1700 while (len > 0) {
1701 context->part.d8[byte_position++] = *pOctets++;
1702 context->position++;
1703 len--;
1704 }
1705}
1706
1707/* mask used to zero empty bytes for final partial word */
1708static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1709
1710/* calculate the mic */
1711static void emmh32_final(emmh32_context *context, u8 digest[4])
1712{
1713 int coeff_position, byte_position;
1714 u32 val;
1715
1716 u64 sum, utmp;
1717 s64 stmp;
1718
1719 coeff_position = context->position >> 2;
1720
1721 /* deal with partial 32-bit word left over from last update */
1722 byte_position = context->position & 3;
1723 if (byte_position) {
1724 /* have a partial word in part to deal with */
1725 val = ntohl(context->part.d32);
1726 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1727 }
1728
1729 /* reduce the accumulated u64 to a 32-bit MIC */
1730 sum = context->accum;
1731 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1732 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1733 sum = utmp & 0xffffffffLL;
1734 if (utmp > 0x10000000fLL)
1735 sum -= 15;
1736
1737 val = (u32)sum;
1738 digest[0] = (val>>24) & 0xFF;
1739 digest[1] = (val>>16) & 0xFF;
1740 digest[2] = (val>>8) & 0xFF;
1741 digest[3] = val & 0xFF;
1742}
1743
1744static int readBSSListRid(struct airo_info *ai, int first,
1745 BSSListRid *list)
1746{
1747 Cmd cmd;
1748 Resp rsp;
1749
1750 if (first == 1) {
1751 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1752 memset(&cmd, 0, sizeof(cmd));
1753 cmd.cmd=CMD_LISTBSS;
1754 if (down_interruptible(&ai->sem))
1755 return -ERESTARTSYS;
1756 ai->list_bss_task = current;
1757 issuecommand(ai, &cmd, &rsp);
1758 up(&ai->sem);
1759 /* Let the command take effect */
1760 schedule_timeout_uninterruptible(3 * HZ);
1761 ai->list_bss_task = NULL;
1762 }
1763 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1764 list, ai->bssListRidLen, 1);
1765}
1766
1767static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1768{
1769 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1770 wkr, sizeof(*wkr), lock);
1771}
1772
1773static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1774{
1775 int rc;
1776 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1777 if (rc!=SUCCESS)
1778 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1779 if (perm) {
1780 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1781 if (rc!=SUCCESS)
1782 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1783 }
1784 return rc;
1785}
1786
1787static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1788{
1789 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1790}
1791
1792static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1793{
1794 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1795}
1796
1797static int readConfigRid(struct airo_info *ai, int lock)
1798{
1799 int rc;
1800 ConfigRid cfg;
1801
1802 if (ai->config.len)
1803 return SUCCESS;
1804
1805 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1806 if (rc != SUCCESS)
1807 return rc;
1808
1809 ai->config = cfg;
1810 return SUCCESS;
1811}
1812
1813static inline void checkThrottle(struct airo_info *ai)
1814{
1815 int i;
1816/* Old hardware had a limit on encryption speed */
1817 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1818 for(i=0; i<8; i++) {
1819 if (ai->config.rates[i] > maxencrypt) {
1820 ai->config.rates[i] = 0;
1821 }
1822 }
1823 }
1824}
1825
1826static int writeConfigRid(struct airo_info *ai, int lock)
1827{
1828 ConfigRid cfgr;
1829
1830 if (!test_bit (FLAG_COMMIT, &ai->flags))
1831 return SUCCESS;
1832
1833 clear_bit (FLAG_COMMIT, &ai->flags);
1834 clear_bit (FLAG_RESET, &ai->flags);
1835 checkThrottle(ai);
1836 cfgr = ai->config;
1837
1838 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1839 set_bit(FLAG_ADHOC, &ai->flags);
1840 else
1841 clear_bit(FLAG_ADHOC, &ai->flags);
1842
1843 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1844}
1845
1846static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1847{
1848 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1849}
1850
1851static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1852{
1853 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1854}
1855
1856static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1857{
1858 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1859}
1860
1861static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1862{
1863 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1864}
1865
1866static void try_auto_wep(struct airo_info *ai)
1867{
1868 if (auto_wep && !test_bit(FLAG_RADIO_DOWN, &ai->flags)) {
1869 ai->expires = RUN_AT(3*HZ);
1870 wake_up_interruptible(&ai->thr_wait);
1871 }
1872}
1873
1874static int airo_open(struct net_device *dev) {
1875 struct airo_info *ai = dev->ml_priv;
1876 int rc = 0;
1877
1878 if (test_bit(FLAG_FLASHING, &ai->flags))
1879 return -EIO;
1880
1881 /* Make sure the card is configured.
1882 * Wireless Extensions may postpone config changes until the card
1883 * is open (to pipeline changes and speed-up card setup). If
1884 * those changes are not yet committed, do it now - Jean II */
1885 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1886 disable_MAC(ai, 1);
1887 writeConfigRid(ai, 1);
1888 }
1889
1890 if (ai->wifidev != dev) {
1891 clear_bit(JOB_DIE, &ai->jobs);
1892 ai->airo_thread_task = kthread_run(airo_thread, dev, "%s",
1893 dev->name);
1894 if (IS_ERR(ai->airo_thread_task))
1895 return (int)PTR_ERR(ai->airo_thread_task);
1896
1897 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1898 dev->name, dev);
1899 if (rc) {
1900 airo_print_err(dev->name,
1901 "register interrupt %d failed, rc %d",
1902 dev->irq, rc);
1903 set_bit(JOB_DIE, &ai->jobs);
1904 kthread_stop(ai->airo_thread_task);
1905 return rc;
1906 }
1907
1908 /* Power on the MAC controller (which may have been disabled) */
1909 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1910 enable_interrupts(ai);
1911
1912 try_auto_wep(ai);
1913 }
1914 enable_MAC(ai, 1);
1915
1916 netif_start_queue(dev);
1917 return 0;
1918}
1919
1920static netdev_tx_t mpi_start_xmit(struct sk_buff *skb,
1921 struct net_device *dev)
1922{
1923 int npacks, pending;
1924 unsigned long flags;
1925 struct airo_info *ai = dev->ml_priv;
1926
1927 if (!skb) {
1928 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
1929 return NETDEV_TX_OK;
1930 }
1931 npacks = skb_queue_len (&ai->txq);
1932
1933 if (npacks >= MAXTXQ - 1) {
1934 netif_stop_queue (dev);
1935 if (npacks > MAXTXQ) {
1936 dev->stats.tx_fifo_errors++;
1937 return NETDEV_TX_BUSY;
1938 }
1939 skb_queue_tail (&ai->txq, skb);
1940 return NETDEV_TX_OK;
1941 }
1942
1943 spin_lock_irqsave(&ai->aux_lock, flags);
1944 skb_queue_tail (&ai->txq, skb);
1945 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1946 spin_unlock_irqrestore(&ai->aux_lock,flags);
1947 netif_wake_queue (dev);
1948
1949 if (pending == 0) {
1950 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1951 mpi_send_packet (dev);
1952 }
1953 return NETDEV_TX_OK;
1954}
1955
1956/*
1957 * @mpi_send_packet
1958 *
1959 * Attempt to transmit a packet. Can be called from interrupt
1960 * or transmit . return number of packets we tried to send
1961 */
1962
1963static int mpi_send_packet (struct net_device *dev)
1964{
1965 struct sk_buff *skb;
1966 unsigned char *buffer;
1967 s16 len;
1968 __le16 *payloadLen;
1969 struct airo_info *ai = dev->ml_priv;
1970 u8 *sendbuf;
1971
1972 /* get a packet to send */
1973
1974 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1975 airo_print_err(dev->name,
1976 "%s: Dequeue'd zero in send_packet()",
1977 __func__);
1978 return 0;
1979 }
1980
1981 /* check min length*/
1982 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1983 buffer = skb->data;
1984
1985 ai->txfids[0].tx_desc.offset = 0;
1986 ai->txfids[0].tx_desc.valid = 1;
1987 ai->txfids[0].tx_desc.eoc = 1;
1988 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1989
1990/*
1991 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1992 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1993 * is immediately after it. ------------------------------------------------
1994 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1995 * ------------------------------------------------
1996 */
1997
1998 memcpy(ai->txfids[0].virtual_host_addr,
1999 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2000
2001 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
2002 sizeof(wifictlhdr8023));
2003 sendbuf = ai->txfids[0].virtual_host_addr +
2004 sizeof(wifictlhdr8023) + 2 ;
2005
2006 /*
2007 * Firmware automatically puts 802 header on so
2008 * we don't need to account for it in the length
2009 */
2010 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2011 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2012 MICBuffer pMic;
2013
2014 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2015 return ERROR;
2016
2017 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2018 ai->txfids[0].tx_desc.len += sizeof(pMic);
2019 /* copy data into airo dma buffer */
2020 memcpy (sendbuf, buffer, sizeof(etherHead));
2021 buffer += sizeof(etherHead);
2022 sendbuf += sizeof(etherHead);
2023 memcpy (sendbuf, &pMic, sizeof(pMic));
2024 sendbuf += sizeof(pMic);
2025 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2026 } else {
2027 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2028
2029 dev->trans_start = jiffies;
2030
2031 /* copy data into airo dma buffer */
2032 memcpy(sendbuf, buffer, len);
2033 }
2034
2035 memcpy_toio(ai->txfids[0].card_ram_off,
2036 &ai->txfids[0].tx_desc, sizeof(TxFid));
2037
2038 OUT4500(ai, EVACK, 8);
2039
2040 dev_kfree_skb_any(skb);
2041 return 1;
2042}
2043
2044static void get_tx_error(struct airo_info *ai, s32 fid)
2045{
2046 __le16 status;
2047
2048 if (fid < 0)
2049 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2050 else {
2051 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2052 return;
2053 bap_read(ai, &status, 2, BAP0);
2054 }
2055 if (le16_to_cpu(status) & 2) /* Too many retries */
2056 ai->dev->stats.tx_aborted_errors++;
2057 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2058 ai->dev->stats.tx_heartbeat_errors++;
2059 if (le16_to_cpu(status) & 8) /* Aid fail */
2060 { }
2061 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2062 ai->dev->stats.tx_carrier_errors++;
2063 if (le16_to_cpu(status) & 0x20) /* Association lost */
2064 { }
2065 /* We produce a TXDROP event only for retry or lifetime
2066 * exceeded, because that's the only status that really mean
2067 * that this particular node went away.
2068 * Other errors means that *we* screwed up. - Jean II */
2069 if ((le16_to_cpu(status) & 2) ||
2070 (le16_to_cpu(status) & 4)) {
2071 union iwreq_data wrqu;
2072 char junk[0x18];
2073
2074 /* Faster to skip over useless data than to do
2075 * another bap_setup(). We are at offset 0x6 and
2076 * need to go to 0x18 and read 6 bytes - Jean II */
2077 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2078
2079 /* Copy 802.11 dest address.
2080 * We use the 802.11 header because the frame may
2081 * not be 802.3 or may be mangled...
2082 * In Ad-Hoc mode, it will be the node address.
2083 * In managed mode, it will be most likely the AP addr
2084 * User space will figure out how to convert it to
2085 * whatever it needs (IP address or else).
2086 * - Jean II */
2087 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2088 wrqu.addr.sa_family = ARPHRD_ETHER;
2089
2090 /* Send event to user space */
2091 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2092 }
2093}
2094
2095static void airo_end_xmit(struct net_device *dev) {
2096 u16 status;
2097 int i;
2098 struct airo_info *priv = dev->ml_priv;
2099 struct sk_buff *skb = priv->xmit.skb;
2100 int fid = priv->xmit.fid;
2101 u32 *fids = priv->fids;
2102
2103 clear_bit(JOB_XMIT, &priv->jobs);
2104 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2105 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2106 up(&priv->sem);
2107
2108 i = 0;
2109 if ( status == SUCCESS ) {
2110 dev->trans_start = jiffies;
2111 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2112 } else {
2113 priv->fids[fid] &= 0xffff;
2114 dev->stats.tx_window_errors++;
2115 }
2116 if (i < MAX_FIDS / 2)
2117 netif_wake_queue(dev);
2118 dev_kfree_skb(skb);
2119}
2120
2121static netdev_tx_t airo_start_xmit(struct sk_buff *skb,
2122 struct net_device *dev)
2123{
2124 s16 len;
2125 int i, j;
2126 struct airo_info *priv = dev->ml_priv;
2127 u32 *fids = priv->fids;
2128
2129 if ( skb == NULL ) {
2130 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2131 return NETDEV_TX_OK;
2132 }
2133
2134 /* Find a vacant FID */
2135 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2136 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2137
2138 if ( j >= MAX_FIDS / 2 ) {
2139 netif_stop_queue(dev);
2140
2141 if (i == MAX_FIDS / 2) {
2142 dev->stats.tx_fifo_errors++;
2143 return NETDEV_TX_BUSY;
2144 }
2145 }
2146 /* check min length*/
2147 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2148 /* Mark fid as used & save length for later */
2149 fids[i] |= (len << 16);
2150 priv->xmit.skb = skb;
2151 priv->xmit.fid = i;
2152 if (down_trylock(&priv->sem) != 0) {
2153 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2154 netif_stop_queue(dev);
2155 set_bit(JOB_XMIT, &priv->jobs);
2156 wake_up_interruptible(&priv->thr_wait);
2157 } else
2158 airo_end_xmit(dev);
2159 return NETDEV_TX_OK;
2160}
2161
2162static void airo_end_xmit11(struct net_device *dev) {
2163 u16 status;
2164 int i;
2165 struct airo_info *priv = dev->ml_priv;
2166 struct sk_buff *skb = priv->xmit11.skb;
2167 int fid = priv->xmit11.fid;
2168 u32 *fids = priv->fids;
2169
2170 clear_bit(JOB_XMIT11, &priv->jobs);
2171 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2172 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2173 up(&priv->sem);
2174
2175 i = MAX_FIDS / 2;
2176 if ( status == SUCCESS ) {
2177 dev->trans_start = jiffies;
2178 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2179 } else {
2180 priv->fids[fid] &= 0xffff;
2181 dev->stats.tx_window_errors++;
2182 }
2183 if (i < MAX_FIDS)
2184 netif_wake_queue(dev);
2185 dev_kfree_skb(skb);
2186}
2187
2188static netdev_tx_t airo_start_xmit11(struct sk_buff *skb,
2189 struct net_device *dev)
2190{
2191 s16 len;
2192 int i, j;
2193 struct airo_info *priv = dev->ml_priv;
2194 u32 *fids = priv->fids;
2195
2196 if (test_bit(FLAG_MPI, &priv->flags)) {
2197 /* Not implemented yet for MPI350 */
2198 netif_stop_queue(dev);
2199 dev_kfree_skb_any(skb);
2200 return NETDEV_TX_OK;
2201 }
2202
2203 if ( skb == NULL ) {
2204 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2205 return NETDEV_TX_OK;
2206 }
2207
2208 /* Find a vacant FID */
2209 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2210 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2211
2212 if ( j >= MAX_FIDS ) {
2213 netif_stop_queue(dev);
2214
2215 if (i == MAX_FIDS) {
2216 dev->stats.tx_fifo_errors++;
2217 return NETDEV_TX_BUSY;
2218 }
2219 }
2220 /* check min length*/
2221 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2222 /* Mark fid as used & save length for later */
2223 fids[i] |= (len << 16);
2224 priv->xmit11.skb = skb;
2225 priv->xmit11.fid = i;
2226 if (down_trylock(&priv->sem) != 0) {
2227 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2228 netif_stop_queue(dev);
2229 set_bit(JOB_XMIT11, &priv->jobs);
2230 wake_up_interruptible(&priv->thr_wait);
2231 } else
2232 airo_end_xmit11(dev);
2233 return NETDEV_TX_OK;
2234}
2235
2236static void airo_read_stats(struct net_device *dev)
2237{
2238 struct airo_info *ai = dev->ml_priv;
2239 StatsRid stats_rid;
2240 __le32 *vals = stats_rid.vals;
2241
2242 clear_bit(JOB_STATS, &ai->jobs);
2243 if (ai->power.event) {
2244 up(&ai->sem);
2245 return;
2246 }
2247 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2248 up(&ai->sem);
2249
2250 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2251 le32_to_cpu(vals[45]);
2252 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2253 le32_to_cpu(vals[41]);
2254 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2255 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2256 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2257 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2258 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2259 dev->stats.tx_fifo_errors;
2260 dev->stats.multicast = le32_to_cpu(vals[43]);
2261 dev->stats.collisions = le32_to_cpu(vals[89]);
2262
2263 /* detailed rx_errors: */
2264 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2265 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2266 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2267 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
2268}
2269
2270static struct net_device_stats *airo_get_stats(struct net_device *dev)
2271{
2272 struct airo_info *local = dev->ml_priv;
2273
2274 if (!test_bit(JOB_STATS, &local->jobs)) {
2275 /* Get stats out of the card if available */
2276 if (down_trylock(&local->sem) != 0) {
2277 set_bit(JOB_STATS, &local->jobs);
2278 wake_up_interruptible(&local->thr_wait);
2279 } else
2280 airo_read_stats(dev);
2281 }
2282
2283 return &dev->stats;
2284}
2285
2286static void airo_set_promisc(struct airo_info *ai) {
2287 Cmd cmd;
2288 Resp rsp;
2289
2290 memset(&cmd, 0, sizeof(cmd));
2291 cmd.cmd=CMD_SETMODE;
2292 clear_bit(JOB_PROMISC, &ai->jobs);
2293 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2294 issuecommand(ai, &cmd, &rsp);
2295 up(&ai->sem);
2296}
2297
2298static void airo_set_multicast_list(struct net_device *dev) {
2299 struct airo_info *ai = dev->ml_priv;
2300
2301 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2302 change_bit(FLAG_PROMISC, &ai->flags);
2303 if (down_trylock(&ai->sem) != 0) {
2304 set_bit(JOB_PROMISC, &ai->jobs);
2305 wake_up_interruptible(&ai->thr_wait);
2306 } else
2307 airo_set_promisc(ai);
2308 }
2309
2310 if ((dev->flags&IFF_ALLMULTI) || !netdev_mc_empty(dev)) {
2311 /* Turn on multicast. (Should be already setup...) */
2312 }
2313}
2314
2315static int airo_set_mac_address(struct net_device *dev, void *p)
2316{
2317 struct airo_info *ai = dev->ml_priv;
2318 struct sockaddr *addr = p;
2319
2320 readConfigRid(ai, 1);
2321 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2322 set_bit (FLAG_COMMIT, &ai->flags);
2323 disable_MAC(ai, 1);
2324 writeConfigRid (ai, 1);
2325 enable_MAC(ai, 1);
2326 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2327 if (ai->wifidev)
2328 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2329 return 0;
2330}
2331
2332static int airo_change_mtu(struct net_device *dev, int new_mtu)
2333{
2334 if ((new_mtu < 68) || (new_mtu > 2400))
2335 return -EINVAL;
2336 dev->mtu = new_mtu;
2337 return 0;
2338}
2339
2340static LIST_HEAD(airo_devices);
2341
2342static void add_airo_dev(struct airo_info *ai)
2343{
2344 /* Upper layers already keep track of PCI devices,
2345 * so we only need to remember our non-PCI cards. */
2346 if (!ai->pci)
2347 list_add_tail(&ai->dev_list, &airo_devices);
2348}
2349
2350static void del_airo_dev(struct airo_info *ai)
2351{
2352 if (!ai->pci)
2353 list_del(&ai->dev_list);
2354}
2355
2356static int airo_close(struct net_device *dev) {
2357 struct airo_info *ai = dev->ml_priv;
2358
2359 netif_stop_queue(dev);
2360
2361 if (ai->wifidev != dev) {
2362#ifdef POWER_ON_DOWN
2363 /* Shut power to the card. The idea is that the user can save
2364 * power when he doesn't need the card with "ifconfig down".
2365 * That's the method that is most friendly towards the network
2366 * stack (i.e. the network stack won't try to broadcast
2367 * anything on the interface and routes are gone. Jean II */
2368 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2369 disable_MAC(ai, 1);
2370#endif
2371 disable_interrupts( ai );
2372
2373 free_irq(dev->irq, dev);
2374
2375 set_bit(JOB_DIE, &ai->jobs);
2376 kthread_stop(ai->airo_thread_task);
2377 }
2378 return 0;
2379}
2380
2381void stop_airo_card( struct net_device *dev, int freeres )
2382{
2383 struct airo_info *ai = dev->ml_priv;
2384
2385 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2386 disable_MAC(ai, 1);
2387 disable_interrupts(ai);
2388 takedown_proc_entry( dev, ai );
2389 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2390 unregister_netdev( dev );
2391 if (ai->wifidev) {
2392 unregister_netdev(ai->wifidev);
2393 free_netdev(ai->wifidev);
2394 ai->wifidev = NULL;
2395 }
2396 clear_bit(FLAG_REGISTERED, &ai->flags);
2397 }
2398 /*
2399 * Clean out tx queue
2400 */
2401 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2402 struct sk_buff *skb = NULL;
2403 for (;(skb = skb_dequeue(&ai->txq));)
2404 dev_kfree_skb(skb);
2405 }
2406
2407 airo_networks_free (ai);
2408
2409 kfree(ai->flash);
2410 kfree(ai->rssi);
2411 kfree(ai->SSID);
2412 if (freeres) {
2413 /* PCMCIA frees this stuff, so only for PCI and ISA */
2414 release_region( dev->base_addr, 64 );
2415 if (test_bit(FLAG_MPI, &ai->flags)) {
2416 if (ai->pci)
2417 mpi_unmap_card(ai->pci);
2418 if (ai->pcimem)
2419 iounmap(ai->pcimem);
2420 if (ai->pciaux)
2421 iounmap(ai->pciaux);
2422 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2423 ai->shared, ai->shared_dma);
2424 }
2425 }
2426 crypto_free_cipher(ai->tfm);
2427 del_airo_dev(ai);
2428 free_netdev( dev );
2429}
2430
2431EXPORT_SYMBOL(stop_airo_card);
2432
2433static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2434{
2435 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2436 return ETH_ALEN;
2437}
2438
2439static void mpi_unmap_card(struct pci_dev *pci)
2440{
2441 unsigned long mem_start = pci_resource_start(pci, 1);
2442 unsigned long mem_len = pci_resource_len(pci, 1);
2443 unsigned long aux_start = pci_resource_start(pci, 2);
2444 unsigned long aux_len = AUXMEMSIZE;
2445
2446 release_mem_region(aux_start, aux_len);
2447 release_mem_region(mem_start, mem_len);
2448}
2449
2450/*************************************************************
2451 * This routine assumes that descriptors have been setup .
2452 * Run at insmod time or after reset when the decriptors
2453 * have been initialized . Returns 0 if all is well nz
2454 * otherwise . Does not allocate memory but sets up card
2455 * using previously allocated descriptors.
2456 */
2457static int mpi_init_descriptors (struct airo_info *ai)
2458{
2459 Cmd cmd;
2460 Resp rsp;
2461 int i;
2462 int rc = SUCCESS;
2463
2464 /* Alloc card RX descriptors */
2465 netif_stop_queue(ai->dev);
2466
2467 memset(&rsp,0,sizeof(rsp));
2468 memset(&cmd,0,sizeof(cmd));
2469
2470 cmd.cmd = CMD_ALLOCATEAUX;
2471 cmd.parm0 = FID_RX;
2472 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2473 cmd.parm2 = MPI_MAX_FIDS;
2474 rc=issuecommand(ai, &cmd, &rsp);
2475 if (rc != SUCCESS) {
2476 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2477 return rc;
2478 }
2479
2480 for (i=0; i<MPI_MAX_FIDS; i++) {
2481 memcpy_toio(ai->rxfids[i].card_ram_off,
2482 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2483 }
2484
2485 /* Alloc card TX descriptors */
2486
2487 memset(&rsp,0,sizeof(rsp));
2488 memset(&cmd,0,sizeof(cmd));
2489
2490 cmd.cmd = CMD_ALLOCATEAUX;
2491 cmd.parm0 = FID_TX;
2492 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2493 cmd.parm2 = MPI_MAX_FIDS;
2494
2495 for (i=0; i<MPI_MAX_FIDS; i++) {
2496 ai->txfids[i].tx_desc.valid = 1;
2497 memcpy_toio(ai->txfids[i].card_ram_off,
2498 &ai->txfids[i].tx_desc, sizeof(TxFid));
2499 }
2500 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2501
2502 rc=issuecommand(ai, &cmd, &rsp);
2503 if (rc != SUCCESS) {
2504 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2505 return rc;
2506 }
2507
2508 /* Alloc card Rid descriptor */
2509 memset(&rsp,0,sizeof(rsp));
2510 memset(&cmd,0,sizeof(cmd));
2511
2512 cmd.cmd = CMD_ALLOCATEAUX;
2513 cmd.parm0 = RID_RW;
2514 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2515 cmd.parm2 = 1; /* Magic number... */
2516 rc=issuecommand(ai, &cmd, &rsp);
2517 if (rc != SUCCESS) {
2518 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2519 return rc;
2520 }
2521
2522 memcpy_toio(ai->config_desc.card_ram_off,
2523 &ai->config_desc.rid_desc, sizeof(Rid));
2524
2525 return rc;
2526}
2527
2528/*
2529 * We are setting up three things here:
2530 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2531 * 2) Map PCI memory for issuing commands.
2532 * 3) Allocate memory (shared) to send and receive ethernet frames.
2533 */
2534static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2535{
2536 unsigned long mem_start, mem_len, aux_start, aux_len;
2537 int rc = -1;
2538 int i;
2539 dma_addr_t busaddroff;
2540 unsigned char *vpackoff;
2541 unsigned char __iomem *pciaddroff;
2542
2543 mem_start = pci_resource_start(pci, 1);
2544 mem_len = pci_resource_len(pci, 1);
2545 aux_start = pci_resource_start(pci, 2);
2546 aux_len = AUXMEMSIZE;
2547
2548 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2549 airo_print_err("", "Couldn't get region %x[%x]",
2550 (int)mem_start, (int)mem_len);
2551 goto out;
2552 }
2553 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2554 airo_print_err("", "Couldn't get region %x[%x]",
2555 (int)aux_start, (int)aux_len);
2556 goto free_region1;
2557 }
2558
2559 ai->pcimem = ioremap(mem_start, mem_len);
2560 if (!ai->pcimem) {
2561 airo_print_err("", "Couldn't map region %x[%x]",
2562 (int)mem_start, (int)mem_len);
2563 goto free_region2;
2564 }
2565 ai->pciaux = ioremap(aux_start, aux_len);
2566 if (!ai->pciaux) {
2567 airo_print_err("", "Couldn't map region %x[%x]",
2568 (int)aux_start, (int)aux_len);
2569 goto free_memmap;
2570 }
2571
2572 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2573 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2574 if (!ai->shared) {
2575 airo_print_err("", "Couldn't alloc_consistent %d",
2576 PCI_SHARED_LEN);
2577 goto free_auxmap;
2578 }
2579
2580 /*
2581 * Setup descriptor RX, TX, CONFIG
2582 */
2583 busaddroff = ai->shared_dma;
2584 pciaddroff = ai->pciaux + AUX_OFFSET;
2585 vpackoff = ai->shared;
2586
2587 /* RX descriptor setup */
2588 for(i = 0; i < MPI_MAX_FIDS; i++) {
2589 ai->rxfids[i].pending = 0;
2590 ai->rxfids[i].card_ram_off = pciaddroff;
2591 ai->rxfids[i].virtual_host_addr = vpackoff;
2592 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2593 ai->rxfids[i].rx_desc.valid = 1;
2594 ai->rxfids[i].rx_desc.len = PKTSIZE;
2595 ai->rxfids[i].rx_desc.rdy = 0;
2596
2597 pciaddroff += sizeof(RxFid);
2598 busaddroff += PKTSIZE;
2599 vpackoff += PKTSIZE;
2600 }
2601
2602 /* TX descriptor setup */
2603 for(i = 0; i < MPI_MAX_FIDS; i++) {
2604 ai->txfids[i].card_ram_off = pciaddroff;
2605 ai->txfids[i].virtual_host_addr = vpackoff;
2606 ai->txfids[i].tx_desc.valid = 1;
2607 ai->txfids[i].tx_desc.host_addr = busaddroff;
2608 memcpy(ai->txfids[i].virtual_host_addr,
2609 &wifictlhdr8023, sizeof(wifictlhdr8023));
2610
2611 pciaddroff += sizeof(TxFid);
2612 busaddroff += PKTSIZE;
2613 vpackoff += PKTSIZE;
2614 }
2615 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2616
2617 /* Rid descriptor setup */
2618 ai->config_desc.card_ram_off = pciaddroff;
2619 ai->config_desc.virtual_host_addr = vpackoff;
2620 ai->config_desc.rid_desc.host_addr = busaddroff;
2621 ai->ridbus = busaddroff;
2622 ai->config_desc.rid_desc.rid = 0;
2623 ai->config_desc.rid_desc.len = RIDSIZE;
2624 ai->config_desc.rid_desc.valid = 1;
2625 pciaddroff += sizeof(Rid);
2626 busaddroff += RIDSIZE;
2627 vpackoff += RIDSIZE;
2628
2629 /* Tell card about descriptors */
2630 if (mpi_init_descriptors (ai) != SUCCESS)
2631 goto free_shared;
2632
2633 return 0;
2634 free_shared:
2635 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2636 free_auxmap:
2637 iounmap(ai->pciaux);
2638 free_memmap:
2639 iounmap(ai->pcimem);
2640 free_region2:
2641 release_mem_region(aux_start, aux_len);
2642 free_region1:
2643 release_mem_region(mem_start, mem_len);
2644 out:
2645 return rc;
2646}
2647
2648static const struct header_ops airo_header_ops = {
2649 .parse = wll_header_parse,
2650};
2651
2652static const struct net_device_ops airo11_netdev_ops = {
2653 .ndo_open = airo_open,
2654 .ndo_stop = airo_close,
2655 .ndo_start_xmit = airo_start_xmit11,
2656 .ndo_get_stats = airo_get_stats,
2657 .ndo_set_mac_address = airo_set_mac_address,
2658 .ndo_do_ioctl = airo_ioctl,
2659 .ndo_change_mtu = airo_change_mtu,
2660};
2661
2662static void wifi_setup(struct net_device *dev)
2663{
2664 dev->netdev_ops = &airo11_netdev_ops;
2665 dev->header_ops = &airo_header_ops;
2666 dev->wireless_handlers = &airo_handler_def;
2667
2668 dev->type = ARPHRD_IEEE80211;
2669 dev->hard_header_len = ETH_HLEN;
2670 dev->mtu = AIRO_DEF_MTU;
2671 dev->addr_len = ETH_ALEN;
2672 dev->tx_queue_len = 100;
2673
2674 eth_broadcast_addr(dev->broadcast);
2675
2676 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2677}
2678
2679static struct net_device *init_wifidev(struct airo_info *ai,
2680 struct net_device *ethdev)
2681{
2682 int err;
2683 struct net_device *dev = alloc_netdev(0, "wifi%d", NET_NAME_UNKNOWN,
2684 wifi_setup);
2685 if (!dev)
2686 return NULL;
2687 dev->ml_priv = ethdev->ml_priv;
2688 dev->irq = ethdev->irq;
2689 dev->base_addr = ethdev->base_addr;
2690 dev->wireless_data = ethdev->wireless_data;
2691 SET_NETDEV_DEV(dev, ethdev->dev.parent);
2692 eth_hw_addr_inherit(dev, ethdev);
2693 err = register_netdev(dev);
2694 if (err<0) {
2695 free_netdev(dev);
2696 return NULL;
2697 }
2698 return dev;
2699}
2700
2701static int reset_card( struct net_device *dev , int lock) {
2702 struct airo_info *ai = dev->ml_priv;
2703
2704 if (lock && down_interruptible(&ai->sem))
2705 return -1;
2706 waitbusy (ai);
2707 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2708 msleep(200);
2709 waitbusy (ai);
2710 msleep(200);
2711 if (lock)
2712 up(&ai->sem);
2713 return 0;
2714}
2715
2716#define AIRO_MAX_NETWORK_COUNT 64
2717static int airo_networks_allocate(struct airo_info *ai)
2718{
2719 if (ai->networks)
2720 return 0;
2721
2722 ai->networks = kcalloc(AIRO_MAX_NETWORK_COUNT, sizeof(BSSListElement),
2723 GFP_KERNEL);
2724 if (!ai->networks) {
2725 airo_print_warn("", "Out of memory allocating beacons");
2726 return -ENOMEM;
2727 }
2728
2729 return 0;
2730}
2731
2732static void airo_networks_free(struct airo_info *ai)
2733{
2734 kfree(ai->networks);
2735 ai->networks = NULL;
2736}
2737
2738static void airo_networks_initialize(struct airo_info *ai)
2739{
2740 int i;
2741
2742 INIT_LIST_HEAD(&ai->network_free_list);
2743 INIT_LIST_HEAD(&ai->network_list);
2744 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2745 list_add_tail(&ai->networks[i].list,
2746 &ai->network_free_list);
2747}
2748
2749static const struct net_device_ops airo_netdev_ops = {
2750 .ndo_open = airo_open,
2751 .ndo_stop = airo_close,
2752 .ndo_start_xmit = airo_start_xmit,
2753 .ndo_get_stats = airo_get_stats,
2754 .ndo_set_rx_mode = airo_set_multicast_list,
2755 .ndo_set_mac_address = airo_set_mac_address,
2756 .ndo_do_ioctl = airo_ioctl,
2757 .ndo_change_mtu = airo_change_mtu,
2758 .ndo_validate_addr = eth_validate_addr,
2759};
2760
2761static const struct net_device_ops mpi_netdev_ops = {
2762 .ndo_open = airo_open,
2763 .ndo_stop = airo_close,
2764 .ndo_start_xmit = mpi_start_xmit,
2765 .ndo_get_stats = airo_get_stats,
2766 .ndo_set_rx_mode = airo_set_multicast_list,
2767 .ndo_set_mac_address = airo_set_mac_address,
2768 .ndo_do_ioctl = airo_ioctl,
2769 .ndo_change_mtu = airo_change_mtu,
2770 .ndo_validate_addr = eth_validate_addr,
2771};
2772
2773
2774static struct net_device *_init_airo_card( unsigned short irq, int port,
2775 int is_pcmcia, struct pci_dev *pci,
2776 struct device *dmdev )
2777{
2778 struct net_device *dev;
2779 struct airo_info *ai;
2780 int i, rc;
2781 CapabilityRid cap_rid;
2782
2783 /* Create the network device object. */
2784 dev = alloc_netdev(sizeof(*ai), "", NET_NAME_UNKNOWN, ether_setup);
2785 if (!dev) {
2786 airo_print_err("", "Couldn't alloc_etherdev");
2787 return NULL;
2788 }
2789
2790 ai = dev->ml_priv = netdev_priv(dev);
2791 ai->wifidev = NULL;
2792 ai->flags = 1 << FLAG_RADIO_DOWN;
2793 ai->jobs = 0;
2794 ai->dev = dev;
2795 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2796 airo_print_dbg("", "Found an MPI350 card");
2797 set_bit(FLAG_MPI, &ai->flags);
2798 }
2799 spin_lock_init(&ai->aux_lock);
2800 sema_init(&ai->sem, 1);
2801 ai->config.len = 0;
2802 ai->pci = pci;
2803 init_waitqueue_head (&ai->thr_wait);
2804 ai->tfm = NULL;
2805 add_airo_dev(ai);
2806 ai->APList.len = cpu_to_le16(sizeof(struct APListRid));
2807
2808 if (airo_networks_allocate (ai))
2809 goto err_out_free;
2810 airo_networks_initialize (ai);
2811
2812 skb_queue_head_init (&ai->txq);
2813
2814 /* The Airo-specific entries in the device structure. */
2815 if (test_bit(FLAG_MPI,&ai->flags))
2816 dev->netdev_ops = &mpi_netdev_ops;
2817 else
2818 dev->netdev_ops = &airo_netdev_ops;
2819 dev->wireless_handlers = &airo_handler_def;
2820 ai->wireless_data.spy_data = &ai->spy_data;
2821 dev->wireless_data = &ai->wireless_data;
2822 dev->irq = irq;
2823 dev->base_addr = port;
2824 dev->priv_flags &= ~IFF_TX_SKB_SHARING;
2825
2826 SET_NETDEV_DEV(dev, dmdev);
2827
2828 reset_card (dev, 1);
2829 msleep(400);
2830
2831 if (!is_pcmcia) {
2832 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2833 rc = -EBUSY;
2834 airo_print_err(dev->name, "Couldn't request region");
2835 goto err_out_nets;
2836 }
2837 }
2838
2839 if (test_bit(FLAG_MPI,&ai->flags)) {
2840 if (mpi_map_card(ai, pci)) {
2841 airo_print_err("", "Could not map memory");
2842 goto err_out_res;
2843 }
2844 }
2845
2846 if (probe) {
2847 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
2848 airo_print_err(dev->name, "MAC could not be enabled" );
2849 rc = -EIO;
2850 goto err_out_map;
2851 }
2852 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2853 ai->bap_read = fast_bap_read;
2854 set_bit(FLAG_FLASHING, &ai->flags);
2855 }
2856
2857 strcpy(dev->name, "eth%d");
2858 rc = register_netdev(dev);
2859 if (rc) {
2860 airo_print_err(dev->name, "Couldn't register_netdev");
2861 goto err_out_map;
2862 }
2863 ai->wifidev = init_wifidev(ai, dev);
2864 if (!ai->wifidev)
2865 goto err_out_reg;
2866
2867 rc = readCapabilityRid(ai, &cap_rid, 1);
2868 if (rc != SUCCESS) {
2869 rc = -EIO;
2870 goto err_out_wifi;
2871 }
2872 /* WEP capability discovery */
2873 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2874 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
2875
2876 airo_print_info(dev->name, "Firmware version %x.%x.%02d",
2877 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2878 (le16_to_cpu(cap_rid.softVer) & 0xFF),
2879 le16_to_cpu(cap_rid.softSubVer));
2880
2881 /* Test for WPA support */
2882 /* Only firmware versions 5.30.17 or better can do WPA */
2883 if (le16_to_cpu(cap_rid.softVer) > 0x530
2884 || (le16_to_cpu(cap_rid.softVer) == 0x530
2885 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2886 airo_print_info(ai->dev->name, "WPA supported.");
2887
2888 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2889 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2890 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2891 ai->bssListRidLen = sizeof(BSSListRid);
2892 } else {
2893 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2894 "versions older than 5.30.17.");
2895
2896 ai->bssListFirst = RID_BSSLISTFIRST;
2897 ai->bssListNext = RID_BSSLISTNEXT;
2898 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2899 }
2900
2901 set_bit(FLAG_REGISTERED,&ai->flags);
2902 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2903
2904 /* Allocate the transmit buffers */
2905 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2906 for( i = 0; i < MAX_FIDS; i++ )
2907 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2908
2909 if (setup_proc_entry(dev, dev->ml_priv) < 0)
2910 goto err_out_wifi;
2911
2912 return dev;
2913
2914err_out_wifi:
2915 unregister_netdev(ai->wifidev);
2916 free_netdev(ai->wifidev);
2917err_out_reg:
2918 unregister_netdev(dev);
2919err_out_map:
2920 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2921 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2922 iounmap(ai->pciaux);
2923 iounmap(ai->pcimem);
2924 mpi_unmap_card(ai->pci);
2925 }
2926err_out_res:
2927 if (!is_pcmcia)
2928 release_region( dev->base_addr, 64 );
2929err_out_nets:
2930 airo_networks_free(ai);
2931err_out_free:
2932 del_airo_dev(ai);
2933 free_netdev(dev);
2934 return NULL;
2935}
2936
2937struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2938 struct device *dmdev)
2939{
2940 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2941}
2942
2943EXPORT_SYMBOL(init_airo_card);
2944
2945static int waitbusy (struct airo_info *ai) {
2946 int delay = 0;
2947 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
2948 udelay (10);
2949 if ((++delay % 20) == 0)
2950 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2951 }
2952 return delay < 10000;
2953}
2954
2955int reset_airo_card( struct net_device *dev )
2956{
2957 int i;
2958 struct airo_info *ai = dev->ml_priv;
2959
2960 if (reset_card (dev, 1))
2961 return -1;
2962
2963 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2964 airo_print_err(dev->name, "MAC could not be enabled");
2965 return -1;
2966 }
2967 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2968 /* Allocate the transmit buffers if needed */
2969 if (!test_bit(FLAG_MPI,&ai->flags))
2970 for( i = 0; i < MAX_FIDS; i++ )
2971 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2972
2973 enable_interrupts( ai );
2974 netif_wake_queue(dev);
2975 return 0;
2976}
2977
2978EXPORT_SYMBOL(reset_airo_card);
2979
2980static void airo_send_event(struct net_device *dev) {
2981 struct airo_info *ai = dev->ml_priv;
2982 union iwreq_data wrqu;
2983 StatusRid status_rid;
2984
2985 clear_bit(JOB_EVENT, &ai->jobs);
2986 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2987 up(&ai->sem);
2988 wrqu.data.length = 0;
2989 wrqu.data.flags = 0;
2990 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2991 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2992
2993 /* Send event to user space */
2994 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2995}
2996
2997static void airo_process_scan_results (struct airo_info *ai) {
2998 union iwreq_data wrqu;
2999 BSSListRid bss;
3000 int rc;
3001 BSSListElement * loop_net;
3002 BSSListElement * tmp_net;
3003
3004 /* Blow away current list of scan results */
3005 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3006 list_move_tail (&loop_net->list, &ai->network_free_list);
3007 /* Don't blow away ->list, just BSS data */
3008 memset (loop_net, 0, sizeof (loop_net->bss));
3009 }
3010
3011 /* Try to read the first entry of the scan result */
3012 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3013 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
3014 /* No scan results */
3015 goto out;
3016 }
3017
3018 /* Read and parse all entries */
3019 tmp_net = NULL;
3020 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
3021 /* Grab a network off the free list */
3022 if (!list_empty(&ai->network_free_list)) {
3023 tmp_net = list_entry(ai->network_free_list.next,
3024 BSSListElement, list);
3025 list_del(ai->network_free_list.next);
3026 }
3027
3028 if (tmp_net != NULL) {
3029 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3030 list_add_tail(&tmp_net->list, &ai->network_list);
3031 tmp_net = NULL;
3032 }
3033
3034 /* Read next entry */
3035 rc = PC4500_readrid(ai, ai->bssListNext,
3036 &bss, ai->bssListRidLen, 0);
3037 }
3038
3039out:
3040 /* write APList back (we cleared it in airo_set_scan) */
3041 disable_MAC(ai, 2);
3042 writeAPListRid(ai, &ai->APList, 0);
3043 enable_MAC(ai, 0);
3044
3045 ai->scan_timeout = 0;
3046 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3047 up(&ai->sem);
3048
3049 /* Send an empty event to user space.
3050 * We don't send the received data on
3051 * the event because it would require
3052 * us to do complex transcoding, and
3053 * we want to minimise the work done in
3054 * the irq handler. Use a request to
3055 * extract the data - Jean II */
3056 wrqu.data.length = 0;
3057 wrqu.data.flags = 0;
3058 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3059}
3060
3061static int airo_thread(void *data) {
3062 struct net_device *dev = data;
3063 struct airo_info *ai = dev->ml_priv;
3064 int locked;
3065
3066 set_freezable();
3067 while(1) {
3068 /* make swsusp happy with our thread */
3069 try_to_freeze();
3070
3071 if (test_bit(JOB_DIE, &ai->jobs))
3072 break;
3073
3074 if (ai->jobs) {
3075 locked = down_interruptible(&ai->sem);
3076 } else {
3077 wait_queue_t wait;
3078
3079 init_waitqueue_entry(&wait, current);
3080 add_wait_queue(&ai->thr_wait, &wait);
3081 for (;;) {
3082 set_current_state(TASK_INTERRUPTIBLE);
3083 if (ai->jobs)
3084 break;
3085 if (ai->expires || ai->scan_timeout) {
3086 if (ai->scan_timeout &&
3087 time_after_eq(jiffies,ai->scan_timeout)){
3088 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3089 break;
3090 } else if (ai->expires &&
3091 time_after_eq(jiffies,ai->expires)){
3092 set_bit(JOB_AUTOWEP, &ai->jobs);
3093 break;
3094 }
3095 if (!kthread_should_stop() &&
3096 !freezing(current)) {
3097 unsigned long wake_at;
3098 if (!ai->expires || !ai->scan_timeout) {
3099 wake_at = max(ai->expires,
3100 ai->scan_timeout);
3101 } else {
3102 wake_at = min(ai->expires,
3103 ai->scan_timeout);
3104 }
3105 schedule_timeout(wake_at - jiffies);
3106 continue;
3107 }
3108 } else if (!kthread_should_stop() &&
3109 !freezing(current)) {
3110 schedule();
3111 continue;
3112 }
3113 break;
3114 }
3115 current->state = TASK_RUNNING;
3116 remove_wait_queue(&ai->thr_wait, &wait);
3117 locked = 1;
3118 }
3119
3120 if (locked)
3121 continue;
3122
3123 if (test_bit(JOB_DIE, &ai->jobs)) {
3124 up(&ai->sem);
3125 break;
3126 }
3127
3128 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3129 up(&ai->sem);
3130 continue;
3131 }
3132
3133 if (test_bit(JOB_XMIT, &ai->jobs))
3134 airo_end_xmit(dev);
3135 else if (test_bit(JOB_XMIT11, &ai->jobs))
3136 airo_end_xmit11(dev);
3137 else if (test_bit(JOB_STATS, &ai->jobs))
3138 airo_read_stats(dev);
3139 else if (test_bit(JOB_WSTATS, &ai->jobs))
3140 airo_read_wireless_stats(ai);
3141 else if (test_bit(JOB_PROMISC, &ai->jobs))
3142 airo_set_promisc(ai);
3143 else if (test_bit(JOB_MIC, &ai->jobs))
3144 micinit(ai);
3145 else if (test_bit(JOB_EVENT, &ai->jobs))
3146 airo_send_event(dev);
3147 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3148 timer_func(dev);
3149 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3150 airo_process_scan_results(ai);
3151 else /* Shouldn't get here, but we make sure to unlock */
3152 up(&ai->sem);
3153 }
3154
3155 return 0;
3156}
3157
3158static int header_len(__le16 ctl)
3159{
3160 u16 fc = le16_to_cpu(ctl);
3161 switch (fc & 0xc) {
3162 case 4:
3163 if ((fc & 0xe0) == 0xc0)
3164 return 10; /* one-address control packet */
3165 return 16; /* two-address control packet */
3166 case 8:
3167 if ((fc & 0x300) == 0x300)
3168 return 30; /* WDS packet */
3169 }
3170 return 24;
3171}
3172
3173static void airo_handle_cisco_mic(struct airo_info *ai)
3174{
3175 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3176 set_bit(JOB_MIC, &ai->jobs);
3177 wake_up_interruptible(&ai->thr_wait);
3178 }
3179}
3180
3181/* Airo Status codes */
3182#define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
3183#define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
3184#define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3185#define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
3186#define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3187#define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
3188#define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
3189#define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
3190#define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
3191#define STAT_ASSOC 0x0400 /* Associated */
3192#define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3193
3194static void airo_print_status(const char *devname, u16 status)
3195{
3196 u8 reason = status & 0xFF;
3197
3198 switch (status & 0xFF00) {
3199 case STAT_NOBEACON:
3200 switch (status) {
3201 case STAT_NOBEACON:
3202 airo_print_dbg(devname, "link lost (missed beacons)");
3203 break;
3204 case STAT_MAXRETRIES:
3205 case STAT_MAXARL:
3206 airo_print_dbg(devname, "link lost (max retries)");
3207 break;
3208 case STAT_FORCELOSS:
3209 airo_print_dbg(devname, "link lost (local choice)");
3210 break;
3211 case STAT_TSFSYNC:
3212 airo_print_dbg(devname, "link lost (TSF sync lost)");
3213 break;
3214 default:
3215 airo_print_dbg(devname, "unknown status %x\n", status);
3216 break;
3217 }
3218 break;
3219 case STAT_DEAUTH:
3220 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3221 break;
3222 case STAT_DISASSOC:
3223 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3224 break;
3225 case STAT_ASSOC_FAIL:
3226 airo_print_dbg(devname, "association failed (reason: %d)",
3227 reason);
3228 break;
3229 case STAT_AUTH_FAIL:
3230 airo_print_dbg(devname, "authentication failed (reason: %d)",
3231 reason);
3232 break;
3233 case STAT_ASSOC:
3234 case STAT_REASSOC:
3235 break;
3236 default:
3237 airo_print_dbg(devname, "unknown status %x\n", status);
3238 break;
3239 }
3240}
3241
3242static void airo_handle_link(struct airo_info *ai)
3243{
3244 union iwreq_data wrqu;
3245 int scan_forceloss = 0;
3246 u16 status;
3247
3248 /* Get new status and acknowledge the link change */
3249 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3250 OUT4500(ai, EVACK, EV_LINK);
3251
3252 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3253 scan_forceloss = 1;
3254
3255 airo_print_status(ai->dev->name, status);
3256
3257 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3258 if (auto_wep)
3259 ai->expires = 0;
3260 if (ai->list_bss_task)
3261 wake_up_process(ai->list_bss_task);
3262 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3263 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3264
3265 if (down_trylock(&ai->sem) != 0) {
3266 set_bit(JOB_EVENT, &ai->jobs);
3267 wake_up_interruptible(&ai->thr_wait);
3268 } else
3269 airo_send_event(ai->dev);
3270 netif_carrier_on(ai->dev);
3271 } else if (!scan_forceloss) {
3272 if (auto_wep && !ai->expires) {
3273 ai->expires = RUN_AT(3*HZ);
3274 wake_up_interruptible(&ai->thr_wait);
3275 }
3276
3277 /* Send event to user space */
3278 eth_zero_addr(wrqu.ap_addr.sa_data);
3279 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3280 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3281 netif_carrier_off(ai->dev);
3282 } else {
3283 netif_carrier_off(ai->dev);
3284 }
3285}
3286
3287static void airo_handle_rx(struct airo_info *ai)
3288{
3289 struct sk_buff *skb = NULL;
3290 __le16 fc, v, *buffer, tmpbuf[4];
3291 u16 len, hdrlen = 0, gap, fid;
3292 struct rx_hdr hdr;
3293 int success = 0;
3294
3295 if (test_bit(FLAG_MPI, &ai->flags)) {
3296 if (test_bit(FLAG_802_11, &ai->flags))
3297 mpi_receive_802_11(ai);
3298 else
3299 mpi_receive_802_3(ai);
3300 OUT4500(ai, EVACK, EV_RX);
3301 return;
3302 }
3303
3304 fid = IN4500(ai, RXFID);
3305
3306 /* Get the packet length */
3307 if (test_bit(FLAG_802_11, &ai->flags)) {
3308 bap_setup (ai, fid, 4, BAP0);
3309 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3310 /* Bad CRC. Ignore packet */
3311 if (le16_to_cpu(hdr.status) & 2)
3312 hdr.len = 0;
3313 if (ai->wifidev == NULL)
3314 hdr.len = 0;
3315 } else {
3316 bap_setup(ai, fid, 0x36, BAP0);
3317 bap_read(ai, &hdr.len, 2, BAP0);
3318 }
3319 len = le16_to_cpu(hdr.len);
3320
3321 if (len > AIRO_DEF_MTU) {
3322 airo_print_err(ai->dev->name, "Bad size %d", len);
3323 goto done;
3324 }
3325 if (len == 0)
3326 goto done;
3327
3328 if (test_bit(FLAG_802_11, &ai->flags)) {
3329 bap_read(ai, &fc, sizeof (fc), BAP0);
3330 hdrlen = header_len(fc);
3331 } else
3332 hdrlen = ETH_ALEN * 2;
3333
3334 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3335 if (!skb) {
3336 ai->dev->stats.rx_dropped++;
3337 goto done;
3338 }
3339
3340 skb_reserve(skb, 2); /* This way the IP header is aligned */
3341 buffer = (__le16 *) skb_put(skb, len + hdrlen);
3342 if (test_bit(FLAG_802_11, &ai->flags)) {
3343 buffer[0] = fc;
3344 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3345 if (hdrlen == 24)
3346 bap_read(ai, tmpbuf, 6, BAP0);
3347
3348 bap_read(ai, &v, sizeof(v), BAP0);
3349 gap = le16_to_cpu(v);
3350 if (gap) {
3351 if (gap <= 8) {
3352 bap_read(ai, tmpbuf, gap, BAP0);
3353 } else {
3354 airo_print_err(ai->dev->name, "gaplen too "
3355 "big. Problems will follow...");
3356 }
3357 }
3358 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3359 } else {
3360 MICBuffer micbuf;
3361
3362 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3363 if (ai->micstats.enabled) {
3364 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3365 if (ntohs(micbuf.typelen) > 0x05DC)
3366 bap_setup(ai, fid, 0x44, BAP0);
3367 else {
3368 if (len <= sizeof (micbuf)) {
3369 dev_kfree_skb_irq(skb);
3370 goto done;
3371 }
3372
3373 len -= sizeof(micbuf);
3374 skb_trim(skb, len + hdrlen);
3375 }
3376 }
3377
3378 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3379 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3380 dev_kfree_skb_irq (skb);
3381 else
3382 success = 1;
3383 }
3384
3385#ifdef WIRELESS_SPY
3386 if (success && (ai->spy_data.spy_number > 0)) {
3387 char *sa;
3388 struct iw_quality wstats;
3389
3390 /* Prepare spy data : addr + qual */
3391 if (!test_bit(FLAG_802_11, &ai->flags)) {
3392 sa = (char *) buffer + 6;
3393 bap_setup(ai, fid, 8, BAP0);
3394 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3395 } else
3396 sa = (char *) buffer + 10;
3397 wstats.qual = hdr.rssi[0];
3398 if (ai->rssi)
3399 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3400 else
3401 wstats.level = (hdr.rssi[1] + 321) / 2;
3402 wstats.noise = ai->wstats.qual.noise;
3403 wstats.updated = IW_QUAL_LEVEL_UPDATED
3404 | IW_QUAL_QUAL_UPDATED
3405 | IW_QUAL_DBM;
3406 /* Update spy records */
3407 wireless_spy_update(ai->dev, sa, &wstats);
3408 }
3409#endif /* WIRELESS_SPY */
3410
3411done:
3412 OUT4500(ai, EVACK, EV_RX);
3413
3414 if (success) {
3415 if (test_bit(FLAG_802_11, &ai->flags)) {
3416 skb_reset_mac_header(skb);
3417 skb->pkt_type = PACKET_OTHERHOST;
3418 skb->dev = ai->wifidev;
3419 skb->protocol = htons(ETH_P_802_2);
3420 } else
3421 skb->protocol = eth_type_trans(skb, ai->dev);
3422 skb->ip_summed = CHECKSUM_NONE;
3423
3424 netif_rx(skb);
3425 }
3426}
3427
3428static void airo_handle_tx(struct airo_info *ai, u16 status)
3429{
3430 int i, len = 0, index = -1;
3431 u16 fid;
3432
3433 if (test_bit(FLAG_MPI, &ai->flags)) {
3434 unsigned long flags;
3435
3436 if (status & EV_TXEXC)
3437 get_tx_error(ai, -1);
3438
3439 spin_lock_irqsave(&ai->aux_lock, flags);
3440 if (!skb_queue_empty(&ai->txq)) {
3441 spin_unlock_irqrestore(&ai->aux_lock,flags);
3442 mpi_send_packet(ai->dev);
3443 } else {
3444 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3445 spin_unlock_irqrestore(&ai->aux_lock,flags);
3446 netif_wake_queue(ai->dev);
3447 }
3448 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3449 return;
3450 }
3451
3452 fid = IN4500(ai, TXCOMPLFID);
3453
3454 for(i = 0; i < MAX_FIDS; i++) {
3455 if ((ai->fids[i] & 0xffff) == fid) {
3456 len = ai->fids[i] >> 16;
3457 index = i;
3458 }
3459 }
3460
3461 if (index != -1) {
3462 if (status & EV_TXEXC)
3463 get_tx_error(ai, index);
3464
3465 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3466
3467 /* Set up to be used again */
3468 ai->fids[index] &= 0xffff;
3469 if (index < MAX_FIDS / 2) {
3470 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3471 netif_wake_queue(ai->dev);
3472 } else {
3473 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3474 netif_wake_queue(ai->wifidev);
3475 }
3476 } else {
3477 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3478 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3479 }
3480}
3481
3482static irqreturn_t airo_interrupt(int irq, void *dev_id)
3483{
3484 struct net_device *dev = dev_id;
3485 u16 status, savedInterrupts = 0;
3486 struct airo_info *ai = dev->ml_priv;
3487 int handled = 0;
3488
3489 if (!netif_device_present(dev))
3490 return IRQ_NONE;
3491
3492 for (;;) {
3493 status = IN4500(ai, EVSTAT);
3494 if (!(status & STATUS_INTS) || (status == 0xffff))
3495 break;
3496
3497 handled = 1;
3498
3499 if (status & EV_AWAKE) {
3500 OUT4500(ai, EVACK, EV_AWAKE);
3501 OUT4500(ai, EVACK, EV_AWAKE);
3502 }
3503
3504 if (!savedInterrupts) {
3505 savedInterrupts = IN4500(ai, EVINTEN);
3506 OUT4500(ai, EVINTEN, 0);
3507 }
3508
3509 if (status & EV_MIC) {
3510 OUT4500(ai, EVACK, EV_MIC);
3511 airo_handle_cisco_mic(ai);
3512 }
3513
3514 if (status & EV_LINK) {
3515 /* Link status changed */
3516 airo_handle_link(ai);
3517 }
3518
3519 /* Check to see if there is something to receive */
3520 if (status & EV_RX)
3521 airo_handle_rx(ai);
3522
3523 /* Check to see if a packet has been transmitted */
3524 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3525 airo_handle_tx(ai, status);
3526
3527 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3528 airo_print_warn(ai->dev->name, "Got weird status %x",
3529 status & ~STATUS_INTS & ~IGNORE_INTS );
3530 }
3531 }
3532
3533 if (savedInterrupts)
3534 OUT4500(ai, EVINTEN, savedInterrupts);
3535
3536 return IRQ_RETVAL(handled);
3537}
3538
3539/*
3540 * Routines to talk to the card
3541 */
3542
3543/*
3544 * This was originally written for the 4500, hence the name
3545 * NOTE: If use with 8bit mode and SMP bad things will happen!
3546 * Why would some one do 8 bit IO in an SMP machine?!?
3547 */
3548static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3549 if (test_bit(FLAG_MPI,&ai->flags))
3550 reg <<= 1;
3551 if ( !do8bitIO )
3552 outw( val, ai->dev->base_addr + reg );
3553 else {
3554 outb( val & 0xff, ai->dev->base_addr + reg );
3555 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3556 }
3557}
3558
3559static u16 IN4500( struct airo_info *ai, u16 reg ) {
3560 unsigned short rc;
3561
3562 if (test_bit(FLAG_MPI,&ai->flags))
3563 reg <<= 1;
3564 if ( !do8bitIO )
3565 rc = inw( ai->dev->base_addr + reg );
3566 else {
3567 rc = inb( ai->dev->base_addr + reg );
3568 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3569 }
3570 return rc;
3571}
3572
3573static int enable_MAC(struct airo_info *ai, int lock)
3574{
3575 int rc;
3576 Cmd cmd;
3577 Resp rsp;
3578
3579 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3580 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3581 * Note : we could try to use !netif_running(dev) in enable_MAC()
3582 * instead of this flag, but I don't trust it *within* the
3583 * open/close functions, and testing both flags together is
3584 * "cheaper" - Jean II */
3585 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3586
3587 if (lock && down_interruptible(&ai->sem))
3588 return -ERESTARTSYS;
3589
3590 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3591 memset(&cmd, 0, sizeof(cmd));
3592 cmd.cmd = MAC_ENABLE;
3593 rc = issuecommand(ai, &cmd, &rsp);
3594 if (rc == SUCCESS)
3595 set_bit(FLAG_ENABLED, &ai->flags);
3596 } else
3597 rc = SUCCESS;
3598
3599 if (lock)
3600 up(&ai->sem);
3601
3602 if (rc)
3603 airo_print_err(ai->dev->name, "Cannot enable MAC");
3604 else if ((rsp.status & 0xFF00) != 0) {
3605 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3606 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3607 rc = ERROR;
3608 }
3609 return rc;
3610}
3611
3612static void disable_MAC( struct airo_info *ai, int lock ) {
3613 Cmd cmd;
3614 Resp rsp;
3615
3616 if (lock == 1 && down_interruptible(&ai->sem))
3617 return;
3618
3619 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3620 if (lock != 2) /* lock == 2 means don't disable carrier */
3621 netif_carrier_off(ai->dev);
3622 memset(&cmd, 0, sizeof(cmd));
3623 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3624 issuecommand(ai, &cmd, &rsp);
3625 clear_bit(FLAG_ENABLED, &ai->flags);
3626 }
3627 if (lock == 1)
3628 up(&ai->sem);
3629}
3630
3631static void enable_interrupts( struct airo_info *ai ) {
3632 /* Enable the interrupts */
3633 OUT4500( ai, EVINTEN, STATUS_INTS );
3634}
3635
3636static void disable_interrupts( struct airo_info *ai ) {
3637 OUT4500( ai, EVINTEN, 0 );
3638}
3639
3640static void mpi_receive_802_3(struct airo_info *ai)
3641{
3642 RxFid rxd;
3643 int len = 0;
3644 struct sk_buff *skb;
3645 char *buffer;
3646 int off = 0;
3647 MICBuffer micbuf;
3648
3649 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3650 /* Make sure we got something */
3651 if (rxd.rdy && rxd.valid == 0) {
3652 len = rxd.len + 12;
3653 if (len < 12 || len > 2048)
3654 goto badrx;
3655
3656 skb = dev_alloc_skb(len);
3657 if (!skb) {
3658 ai->dev->stats.rx_dropped++;
3659 goto badrx;
3660 }
3661 buffer = skb_put(skb,len);
3662 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3663 if (ai->micstats.enabled) {
3664 memcpy(&micbuf,
3665 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3666 sizeof(micbuf));
3667 if (ntohs(micbuf.typelen) <= 0x05DC) {
3668 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3669 goto badmic;
3670
3671 off = sizeof(micbuf);
3672 skb_trim (skb, len - off);
3673 }
3674 }
3675 memcpy(buffer + ETH_ALEN * 2,
3676 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3677 len - ETH_ALEN * 2 - off);
3678 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3679badmic:
3680 dev_kfree_skb_irq (skb);
3681 goto badrx;
3682 }
3683#ifdef WIRELESS_SPY
3684 if (ai->spy_data.spy_number > 0) {
3685 char *sa;
3686 struct iw_quality wstats;
3687 /* Prepare spy data : addr + qual */
3688 sa = buffer + ETH_ALEN;
3689 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3690 wstats.level = 0;
3691 wstats.updated = 0;
3692 /* Update spy records */
3693 wireless_spy_update(ai->dev, sa, &wstats);
3694 }
3695#endif /* WIRELESS_SPY */
3696
3697 skb->ip_summed = CHECKSUM_NONE;
3698 skb->protocol = eth_type_trans(skb, ai->dev);
3699 netif_rx(skb);
3700 }
3701badrx:
3702 if (rxd.valid == 0) {
3703 rxd.valid = 1;
3704 rxd.rdy = 0;
3705 rxd.len = PKTSIZE;
3706 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3707 }
3708}
3709
3710static void mpi_receive_802_11(struct airo_info *ai)
3711{
3712 RxFid rxd;
3713 struct sk_buff *skb = NULL;
3714 u16 len, hdrlen = 0;
3715 __le16 fc;
3716 struct rx_hdr hdr;
3717 u16 gap;
3718 u16 *buffer;
3719 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
3720
3721 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3722 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3723 ptr += sizeof(hdr);
3724 /* Bad CRC. Ignore packet */
3725 if (le16_to_cpu(hdr.status) & 2)
3726 hdr.len = 0;
3727 if (ai->wifidev == NULL)
3728 hdr.len = 0;
3729 len = le16_to_cpu(hdr.len);
3730 if (len > AIRO_DEF_MTU) {
3731 airo_print_err(ai->dev->name, "Bad size %d", len);
3732 goto badrx;
3733 }
3734 if (len == 0)
3735 goto badrx;
3736
3737 fc = get_unaligned((__le16 *)ptr);
3738 hdrlen = header_len(fc);
3739
3740 skb = dev_alloc_skb( len + hdrlen + 2 );
3741 if ( !skb ) {
3742 ai->dev->stats.rx_dropped++;
3743 goto badrx;
3744 }
3745 buffer = (u16*)skb_put (skb, len + hdrlen);
3746 memcpy ((char *)buffer, ptr, hdrlen);
3747 ptr += hdrlen;
3748 if (hdrlen == 24)
3749 ptr += 6;
3750 gap = get_unaligned_le16(ptr);
3751 ptr += sizeof(__le16);
3752 if (gap) {
3753 if (gap <= 8)
3754 ptr += gap;
3755 else
3756 airo_print_err(ai->dev->name,
3757 "gaplen too big. Problems will follow...");
3758 }
3759 memcpy ((char *)buffer + hdrlen, ptr, len);
3760 ptr += len;
3761#ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3762 if (ai->spy_data.spy_number > 0) {
3763 char *sa;
3764 struct iw_quality wstats;
3765 /* Prepare spy data : addr + qual */
3766 sa = (char*)buffer + 10;
3767 wstats.qual = hdr.rssi[0];
3768 if (ai->rssi)
3769 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3770 else
3771 wstats.level = (hdr.rssi[1] + 321) / 2;
3772 wstats.noise = ai->wstats.qual.noise;
3773 wstats.updated = IW_QUAL_QUAL_UPDATED
3774 | IW_QUAL_LEVEL_UPDATED
3775 | IW_QUAL_DBM;
3776 /* Update spy records */
3777 wireless_spy_update(ai->dev, sa, &wstats);
3778 }
3779#endif /* IW_WIRELESS_SPY */
3780 skb_reset_mac_header(skb);
3781 skb->pkt_type = PACKET_OTHERHOST;
3782 skb->dev = ai->wifidev;
3783 skb->protocol = htons(ETH_P_802_2);
3784 skb->ip_summed = CHECKSUM_NONE;
3785 netif_rx( skb );
3786
3787badrx:
3788 if (rxd.valid == 0) {
3789 rxd.valid = 1;
3790 rxd.rdy = 0;
3791 rxd.len = PKTSIZE;
3792 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3793 }
3794}
3795
3796static inline void set_auth_type(struct airo_info *local, int auth_type)
3797{
3798 local->config.authType = auth_type;
3799 /* Cache the last auth type used (of AUTH_OPEN and AUTH_ENCRYPT).
3800 * Used by airo_set_auth()
3801 */
3802 if (auth_type == AUTH_OPEN || auth_type == AUTH_ENCRYPT)
3803 local->last_auth = auth_type;
3804}
3805
3806static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3807{
3808 Cmd cmd;
3809 Resp rsp;
3810 int status;
3811 SsidRid mySsid;
3812 __le16 lastindex;
3813 WepKeyRid wkr;
3814 int rc;
3815
3816 memset( &mySsid, 0, sizeof( mySsid ) );
3817 kfree (ai->flash);
3818 ai->flash = NULL;
3819
3820 /* The NOP is the first step in getting the card going */
3821 cmd.cmd = NOP;
3822 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3823 if (lock && down_interruptible(&ai->sem))
3824 return ERROR;
3825 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3826 if (lock)
3827 up(&ai->sem);
3828 return ERROR;
3829 }
3830 disable_MAC( ai, 0);
3831
3832 // Let's figure out if we need to use the AUX port
3833 if (!test_bit(FLAG_MPI,&ai->flags)) {
3834 cmd.cmd = CMD_ENABLEAUX;
3835 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3836 if (lock)
3837 up(&ai->sem);
3838 airo_print_err(ai->dev->name, "Error checking for AUX port");
3839 return ERROR;
3840 }
3841 if (!aux_bap || rsp.status & 0xff00) {
3842 ai->bap_read = fast_bap_read;
3843 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3844 } else {
3845 ai->bap_read = aux_bap_read;
3846 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3847 }
3848 }
3849 if (lock)
3850 up(&ai->sem);
3851 if (ai->config.len == 0) {
3852 int i;
3853 tdsRssiRid rssi_rid;
3854 CapabilityRid cap_rid;
3855
3856 kfree(ai->SSID);
3857 ai->SSID = NULL;
3858 // general configuration (read/modify/write)
3859 status = readConfigRid(ai, lock);
3860 if ( status != SUCCESS ) return ERROR;
3861
3862 status = readCapabilityRid(ai, &cap_rid, lock);
3863 if ( status != SUCCESS ) return ERROR;
3864
3865 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3866 if ( status == SUCCESS ) {
3867 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3868 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3869 }
3870 else {
3871 kfree(ai->rssi);
3872 ai->rssi = NULL;
3873 if (cap_rid.softCap & cpu_to_le16(8))
3874 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3875 else
3876 airo_print_warn(ai->dev->name, "unknown received signal "
3877 "level scale");
3878 }
3879 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3880 set_auth_type(ai, AUTH_OPEN);
3881 ai->config.modulation = MOD_CCK;
3882
3883 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3884 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3885 micsetup(ai) == SUCCESS) {
3886 ai->config.opmode |= MODE_MIC;
3887 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3888 }
3889
3890 /* Save off the MAC */
3891 for( i = 0; i < ETH_ALEN; i++ ) {
3892 mac[i] = ai->config.macAddr[i];
3893 }
3894
3895 /* Check to see if there are any insmod configured
3896 rates to add */
3897 if ( rates[0] ) {
3898 memset(ai->config.rates,0,sizeof(ai->config.rates));
3899 for( i = 0; i < 8 && rates[i]; i++ ) {
3900 ai->config.rates[i] = rates[i];
3901 }
3902 }
3903 set_bit (FLAG_COMMIT, &ai->flags);
3904 }
3905
3906 /* Setup the SSIDs if present */
3907 if ( ssids[0] ) {
3908 int i;
3909 for( i = 0; i < 3 && ssids[i]; i++ ) {
3910 size_t len = strlen(ssids[i]);
3911 if (len > 32)
3912 len = 32;
3913 mySsid.ssids[i].len = cpu_to_le16(len);
3914 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3915 }
3916 mySsid.len = cpu_to_le16(sizeof(mySsid));
3917 }
3918
3919 status = writeConfigRid(ai, lock);
3920 if ( status != SUCCESS ) return ERROR;
3921
3922 /* Set up the SSID list */
3923 if ( ssids[0] ) {
3924 status = writeSsidRid(ai, &mySsid, lock);
3925 if ( status != SUCCESS ) return ERROR;
3926 }
3927
3928 status = enable_MAC(ai, lock);
3929 if (status != SUCCESS)
3930 return ERROR;
3931
3932 /* Grab the initial wep key, we gotta save it for auto_wep */
3933 rc = readWepKeyRid(ai, &wkr, 1, lock);
3934 if (rc == SUCCESS) do {
3935 lastindex = wkr.kindex;
3936 if (wkr.kindex == cpu_to_le16(0xffff)) {
3937 ai->defindex = wkr.mac[0];
3938 }
3939 rc = readWepKeyRid(ai, &wkr, 0, lock);
3940 } while(lastindex != wkr.kindex);
3941
3942 try_auto_wep(ai);
3943
3944 return SUCCESS;
3945}
3946
3947static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3948 // Im really paranoid about letting it run forever!
3949 int max_tries = 600000;
3950
3951 if (IN4500(ai, EVSTAT) & EV_CMD)
3952 OUT4500(ai, EVACK, EV_CMD);
3953
3954 OUT4500(ai, PARAM0, pCmd->parm0);
3955 OUT4500(ai, PARAM1, pCmd->parm1);
3956 OUT4500(ai, PARAM2, pCmd->parm2);
3957 OUT4500(ai, COMMAND, pCmd->cmd);
3958
3959 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3960 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3961 // PC4500 didn't notice command, try again
3962 OUT4500(ai, COMMAND, pCmd->cmd);
3963 if (!in_atomic() && (max_tries & 255) == 0)
3964 schedule();
3965 }
3966
3967 if ( max_tries == -1 ) {
3968 airo_print_err(ai->dev->name,
3969 "Max tries exceeded when issuing command");
3970 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3971 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3972 return ERROR;
3973 }
3974
3975 // command completed
3976 pRsp->status = IN4500(ai, STATUS);
3977 pRsp->rsp0 = IN4500(ai, RESP0);
3978 pRsp->rsp1 = IN4500(ai, RESP1);
3979 pRsp->rsp2 = IN4500(ai, RESP2);
3980 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3981 airo_print_err(ai->dev->name,
3982 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3983 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3984 pRsp->rsp2);
3985
3986 // clear stuck command busy if necessary
3987 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3988 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3989 }
3990 // acknowledge processing the status/response
3991 OUT4500(ai, EVACK, EV_CMD);
3992
3993 return SUCCESS;
3994}
3995
3996/* Sets up the bap to start exchange data. whichbap should
3997 * be one of the BAP0 or BAP1 defines. Locks should be held before
3998 * calling! */
3999static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
4000{
4001 int timeout = 50;
4002 int max_tries = 3;
4003
4004 OUT4500(ai, SELECT0+whichbap, rid);
4005 OUT4500(ai, OFFSET0+whichbap, offset);
4006 while (1) {
4007 int status = IN4500(ai, OFFSET0+whichbap);
4008 if (status & BAP_BUSY) {
4009 /* This isn't really a timeout, but its kinda
4010 close */
4011 if (timeout--) {
4012 continue;
4013 }
4014 } else if ( status & BAP_ERR ) {
4015 /* invalid rid or offset */
4016 airo_print_err(ai->dev->name, "BAP error %x %d",
4017 status, whichbap );
4018 return ERROR;
4019 } else if (status & BAP_DONE) { // success
4020 return SUCCESS;
4021 }
4022 if ( !(max_tries--) ) {
4023 airo_print_err(ai->dev->name,
4024 "BAP setup error too many retries\n");
4025 return ERROR;
4026 }
4027 // -- PC4500 missed it, try again
4028 OUT4500(ai, SELECT0+whichbap, rid);
4029 OUT4500(ai, OFFSET0+whichbap, offset);
4030 timeout = 50;
4031 }
4032}
4033
4034/* should only be called by aux_bap_read. This aux function and the
4035 following use concepts not documented in the developers guide. I
4036 got them from a patch given to my by Aironet */
4037static u16 aux_setup(struct airo_info *ai, u16 page,
4038 u16 offset, u16 *len)
4039{
4040 u16 next;
4041
4042 OUT4500(ai, AUXPAGE, page);
4043 OUT4500(ai, AUXOFF, 0);
4044 next = IN4500(ai, AUXDATA);
4045 *len = IN4500(ai, AUXDATA)&0xff;
4046 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4047 return next;
4048}
4049
4050/* requires call to bap_setup() first */
4051static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4052 int bytelen, int whichbap)
4053{
4054 u16 len;
4055 u16 page;
4056 u16 offset;
4057 u16 next;
4058 int words;
4059 int i;
4060 unsigned long flags;
4061
4062 spin_lock_irqsave(&ai->aux_lock, flags);
4063 page = IN4500(ai, SWS0+whichbap);
4064 offset = IN4500(ai, SWS2+whichbap);
4065 next = aux_setup(ai, page, offset, &len);
4066 words = (bytelen+1)>>1;
4067
4068 for (i=0; i<words;) {
4069 int count;
4070 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4071 if ( !do8bitIO )
4072 insw( ai->dev->base_addr+DATA0+whichbap,
4073 pu16Dst+i,count );
4074 else
4075 insb( ai->dev->base_addr+DATA0+whichbap,
4076 pu16Dst+i, count << 1 );
4077 i += count;
4078 if (i<words) {
4079 next = aux_setup(ai, next, 4, &len);
4080 }
4081 }
4082 spin_unlock_irqrestore(&ai->aux_lock, flags);
4083 return SUCCESS;
4084}
4085
4086
4087/* requires call to bap_setup() first */
4088static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4089 int bytelen, int whichbap)
4090{
4091 bytelen = (bytelen + 1) & (~1); // round up to even value
4092 if ( !do8bitIO )
4093 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4094 else
4095 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4096 return SUCCESS;
4097}
4098
4099/* requires call to bap_setup() first */
4100static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4101 int bytelen, int whichbap)
4102{
4103 bytelen = (bytelen + 1) & (~1); // round up to even value
4104 if ( !do8bitIO )
4105 outsw( ai->dev->base_addr+DATA0+whichbap,
4106 pu16Src, bytelen>>1 );
4107 else
4108 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4109 return SUCCESS;
4110}
4111
4112static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4113{
4114 Cmd cmd; /* for issuing commands */
4115 Resp rsp; /* response from commands */
4116 u16 status;
4117
4118 memset(&cmd, 0, sizeof(cmd));
4119 cmd.cmd = accmd;
4120 cmd.parm0 = rid;
4121 status = issuecommand(ai, &cmd, &rsp);
4122 if (status != 0) return status;
4123 if ( (rsp.status & 0x7F00) != 0) {
4124 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4125 }
4126 return 0;
4127}
4128
4129/* Note, that we are using BAP1 which is also used by transmit, so
4130 * we must get a lock. */
4131static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4132{
4133 u16 status;
4134 int rc = SUCCESS;
4135
4136 if (lock) {
4137 if (down_interruptible(&ai->sem))
4138 return ERROR;
4139 }
4140 if (test_bit(FLAG_MPI,&ai->flags)) {
4141 Cmd cmd;
4142 Resp rsp;
4143
4144 memset(&cmd, 0, sizeof(cmd));
4145 memset(&rsp, 0, sizeof(rsp));
4146 ai->config_desc.rid_desc.valid = 1;
4147 ai->config_desc.rid_desc.len = RIDSIZE;
4148 ai->config_desc.rid_desc.rid = 0;
4149 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4150
4151 cmd.cmd = CMD_ACCESS;
4152 cmd.parm0 = rid;
4153
4154 memcpy_toio(ai->config_desc.card_ram_off,
4155 &ai->config_desc.rid_desc, sizeof(Rid));
4156
4157 rc = issuecommand(ai, &cmd, &rsp);
4158
4159 if (rsp.status & 0x7f00)
4160 rc = rsp.rsp0;
4161 if (!rc)
4162 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4163 goto done;
4164 } else {
4165 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4166 rc = status;
4167 goto done;
4168 }
4169 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4170 rc = ERROR;
4171 goto done;
4172 }
4173 // read the rid length field
4174 bap_read(ai, pBuf, 2, BAP1);
4175 // length for remaining part of rid
4176 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4177
4178 if ( len <= 2 ) {
4179 airo_print_err(ai->dev->name,
4180 "Rid %x has a length of %d which is too short",
4181 (int)rid, (int)len );
4182 rc = ERROR;
4183 goto done;
4184 }
4185 // read remainder of the rid
4186 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4187 }
4188done:
4189 if (lock)
4190 up(&ai->sem);
4191 return rc;
4192}
4193
4194/* Note, that we are using BAP1 which is also used by transmit, so
4195 * make sure this isn't called when a transmit is happening */
4196static int PC4500_writerid(struct airo_info *ai, u16 rid,
4197 const void *pBuf, int len, int lock)
4198{
4199 u16 status;
4200 int rc = SUCCESS;
4201
4202 *(__le16*)pBuf = cpu_to_le16((u16)len);
4203
4204 if (lock) {
4205 if (down_interruptible(&ai->sem))
4206 return ERROR;
4207 }
4208 if (test_bit(FLAG_MPI,&ai->flags)) {
4209 Cmd cmd;
4210 Resp rsp;
4211
4212 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4213 airo_print_err(ai->dev->name,
4214 "%s: MAC should be disabled (rid=%04x)",
4215 __func__, rid);
4216 memset(&cmd, 0, sizeof(cmd));
4217 memset(&rsp, 0, sizeof(rsp));
4218
4219 ai->config_desc.rid_desc.valid = 1;
4220 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4221 ai->config_desc.rid_desc.rid = 0;
4222
4223 cmd.cmd = CMD_WRITERID;
4224 cmd.parm0 = rid;
4225
4226 memcpy_toio(ai->config_desc.card_ram_off,
4227 &ai->config_desc.rid_desc, sizeof(Rid));
4228
4229 if (len < 4 || len > 2047) {
4230 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4231 rc = -1;
4232 } else {
4233 memcpy(ai->config_desc.virtual_host_addr,
4234 pBuf, len);
4235
4236 rc = issuecommand(ai, &cmd, &rsp);
4237 if ((rc & 0xff00) != 0) {
4238 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4239 __func__, rc);
4240 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4241 __func__, cmd.cmd);
4242 }
4243
4244 if ((rsp.status & 0x7f00))
4245 rc = rsp.rsp0;
4246 }
4247 } else {
4248 // --- first access so that we can write the rid data
4249 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4250 rc = status;
4251 goto done;
4252 }
4253 // --- now write the rid data
4254 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4255 rc = ERROR;
4256 goto done;
4257 }
4258 bap_write(ai, pBuf, len, BAP1);
4259 // ---now commit the rid data
4260 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4261 }
4262done:
4263 if (lock)
4264 up(&ai->sem);
4265 return rc;
4266}
4267
4268/* Allocates a FID to be used for transmitting packets. We only use
4269 one for now. */
4270static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4271{
4272 unsigned int loop = 3000;
4273 Cmd cmd;
4274 Resp rsp;
4275 u16 txFid;
4276 __le16 txControl;
4277
4278 cmd.cmd = CMD_ALLOCATETX;
4279 cmd.parm0 = lenPayload;
4280 if (down_interruptible(&ai->sem))
4281 return ERROR;
4282 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4283 txFid = ERROR;
4284 goto done;
4285 }
4286 if ( (rsp.status & 0xFF00) != 0) {
4287 txFid = ERROR;
4288 goto done;
4289 }
4290 /* wait for the allocate event/indication
4291 * It makes me kind of nervous that this can just sit here and spin,
4292 * but in practice it only loops like four times. */
4293 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4294 if (!loop) {
4295 txFid = ERROR;
4296 goto done;
4297 }
4298
4299 // get the allocated fid and acknowledge
4300 txFid = IN4500(ai, TXALLOCFID);
4301 OUT4500(ai, EVACK, EV_ALLOC);
4302
4303 /* The CARD is pretty cool since it converts the ethernet packet
4304 * into 802.11. Also note that we don't release the FID since we
4305 * will be using the same one over and over again. */
4306 /* We only have to setup the control once since we are not
4307 * releasing the fid. */
4308 if (raw)
4309 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4310 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4311 else
4312 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4313 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4314 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4315 txFid = ERROR;
4316 else
4317 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4318
4319done:
4320 up(&ai->sem);
4321
4322 return txFid;
4323}
4324
4325/* In general BAP1 is dedicated to transmiting packets. However,
4326 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4327 Make sure the BAP1 spinlock is held when this is called. */
4328static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4329{
4330 __le16 payloadLen;
4331 Cmd cmd;
4332 Resp rsp;
4333 int miclen = 0;
4334 u16 txFid = len;
4335 MICBuffer pMic;
4336
4337 len >>= 16;
4338
4339 if (len <= ETH_ALEN * 2) {
4340 airo_print_warn(ai->dev->name, "Short packet %d", len);
4341 return ERROR;
4342 }
4343 len -= ETH_ALEN * 2;
4344
4345 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4346 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4347 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4348 return ERROR;
4349 miclen = sizeof(pMic);
4350 }
4351 // packet is destination[6], source[6], payload[len-12]
4352 // write the payload length and dst/src/payload
4353 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4354 /* The hardware addresses aren't counted as part of the payload, so
4355 * we have to subtract the 12 bytes for the addresses off */
4356 payloadLen = cpu_to_le16(len + miclen);
4357 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4358 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4359 if (miclen)
4360 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4361 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4362 // issue the transmit command
4363 memset( &cmd, 0, sizeof( cmd ) );
4364 cmd.cmd = CMD_TRANSMIT;
4365 cmd.parm0 = txFid;
4366 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4367 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4368 return SUCCESS;
4369}
4370
4371static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4372{
4373 __le16 fc, payloadLen;
4374 Cmd cmd;
4375 Resp rsp;
4376 int hdrlen;
4377 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4378 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4379 u16 txFid = len;
4380 len >>= 16;
4381
4382 fc = *(__le16*)pPacket;
4383 hdrlen = header_len(fc);
4384
4385 if (len < hdrlen) {
4386 airo_print_warn(ai->dev->name, "Short packet %d", len);
4387 return ERROR;
4388 }
4389
4390 /* packet is 802.11 header + payload
4391 * write the payload length and dst/src/payload */
4392 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4393 /* The 802.11 header aren't counted as part of the payload, so
4394 * we have to subtract the header bytes off */
4395 payloadLen = cpu_to_le16(len-hdrlen);
4396 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4397 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4398 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4399 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4400
4401 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4402 // issue the transmit command
4403 memset( &cmd, 0, sizeof( cmd ) );
4404 cmd.cmd = CMD_TRANSMIT;
4405 cmd.parm0 = txFid;
4406 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4407 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4408 return SUCCESS;
4409}
4410
4411/*
4412 * This is the proc_fs routines. It is a bit messier than I would
4413 * like! Feel free to clean it up!
4414 */
4415
4416static ssize_t proc_read( struct file *file,
4417 char __user *buffer,
4418 size_t len,
4419 loff_t *offset);
4420
4421static ssize_t proc_write( struct file *file,
4422 const char __user *buffer,
4423 size_t len,
4424 loff_t *offset );
4425static int proc_close( struct inode *inode, struct file *file );
4426
4427static int proc_stats_open( struct inode *inode, struct file *file );
4428static int proc_statsdelta_open( struct inode *inode, struct file *file );
4429static int proc_status_open( struct inode *inode, struct file *file );
4430static int proc_SSID_open( struct inode *inode, struct file *file );
4431static int proc_APList_open( struct inode *inode, struct file *file );
4432static int proc_BSSList_open( struct inode *inode, struct file *file );
4433static int proc_config_open( struct inode *inode, struct file *file );
4434static int proc_wepkey_open( struct inode *inode, struct file *file );
4435
4436static const struct file_operations proc_statsdelta_ops = {
4437 .owner = THIS_MODULE,
4438 .read = proc_read,
4439 .open = proc_statsdelta_open,
4440 .release = proc_close,
4441 .llseek = default_llseek,
4442};
4443
4444static const struct file_operations proc_stats_ops = {
4445 .owner = THIS_MODULE,
4446 .read = proc_read,
4447 .open = proc_stats_open,
4448 .release = proc_close,
4449 .llseek = default_llseek,
4450};
4451
4452static const struct file_operations proc_status_ops = {
4453 .owner = THIS_MODULE,
4454 .read = proc_read,
4455 .open = proc_status_open,
4456 .release = proc_close,
4457 .llseek = default_llseek,
4458};
4459
4460static const struct file_operations proc_SSID_ops = {
4461 .owner = THIS_MODULE,
4462 .read = proc_read,
4463 .write = proc_write,
4464 .open = proc_SSID_open,
4465 .release = proc_close,
4466 .llseek = default_llseek,
4467};
4468
4469static const struct file_operations proc_BSSList_ops = {
4470 .owner = THIS_MODULE,
4471 .read = proc_read,
4472 .write = proc_write,
4473 .open = proc_BSSList_open,
4474 .release = proc_close,
4475 .llseek = default_llseek,
4476};
4477
4478static const struct file_operations proc_APList_ops = {
4479 .owner = THIS_MODULE,
4480 .read = proc_read,
4481 .write = proc_write,
4482 .open = proc_APList_open,
4483 .release = proc_close,
4484 .llseek = default_llseek,
4485};
4486
4487static const struct file_operations proc_config_ops = {
4488 .owner = THIS_MODULE,
4489 .read = proc_read,
4490 .write = proc_write,
4491 .open = proc_config_open,
4492 .release = proc_close,
4493 .llseek = default_llseek,
4494};
4495
4496static const struct file_operations proc_wepkey_ops = {
4497 .owner = THIS_MODULE,
4498 .read = proc_read,
4499 .write = proc_write,
4500 .open = proc_wepkey_open,
4501 .release = proc_close,
4502 .llseek = default_llseek,
4503};
4504
4505static struct proc_dir_entry *airo_entry;
4506
4507struct proc_data {
4508 int release_buffer;
4509 int readlen;
4510 char *rbuffer;
4511 int writelen;
4512 int maxwritelen;
4513 char *wbuffer;
4514 void (*on_close) (struct inode *, struct file *);
4515};
4516
4517static int setup_proc_entry( struct net_device *dev,
4518 struct airo_info *apriv ) {
4519 struct proc_dir_entry *entry;
4520
4521 /* First setup the device directory */
4522 strcpy(apriv->proc_name,dev->name);
4523 apriv->proc_entry = proc_mkdir_mode(apriv->proc_name, airo_perm,
4524 airo_entry);
4525 if (!apriv->proc_entry)
4526 return -ENOMEM;
4527 proc_set_user(apriv->proc_entry, proc_kuid, proc_kgid);
4528
4529 /* Setup the StatsDelta */
4530 entry = proc_create_data("StatsDelta", S_IRUGO & proc_perm,
4531 apriv->proc_entry, &proc_statsdelta_ops, dev);
4532 if (!entry)
4533 goto fail;
4534 proc_set_user(entry, proc_kuid, proc_kgid);
4535
4536 /* Setup the Stats */
4537 entry = proc_create_data("Stats", S_IRUGO & proc_perm,
4538 apriv->proc_entry, &proc_stats_ops, dev);
4539 if (!entry)
4540 goto fail;
4541 proc_set_user(entry, proc_kuid, proc_kgid);
4542
4543 /* Setup the Status */
4544 entry = proc_create_data("Status", S_IRUGO & proc_perm,
4545 apriv->proc_entry, &proc_status_ops, dev);
4546 if (!entry)
4547 goto fail;
4548 proc_set_user(entry, proc_kuid, proc_kgid);
4549
4550 /* Setup the Config */
4551 entry = proc_create_data("Config", proc_perm,
4552 apriv->proc_entry, &proc_config_ops, dev);
4553 if (!entry)
4554 goto fail;
4555 proc_set_user(entry, proc_kuid, proc_kgid);
4556
4557 /* Setup the SSID */
4558 entry = proc_create_data("SSID", proc_perm,
4559 apriv->proc_entry, &proc_SSID_ops, dev);
4560 if (!entry)
4561 goto fail;
4562 proc_set_user(entry, proc_kuid, proc_kgid);
4563
4564 /* Setup the APList */
4565 entry = proc_create_data("APList", proc_perm,
4566 apriv->proc_entry, &proc_APList_ops, dev);
4567 if (!entry)
4568 goto fail;
4569 proc_set_user(entry, proc_kuid, proc_kgid);
4570
4571 /* Setup the BSSList */
4572 entry = proc_create_data("BSSList", proc_perm,
4573 apriv->proc_entry, &proc_BSSList_ops, dev);
4574 if (!entry)
4575 goto fail;
4576 proc_set_user(entry, proc_kuid, proc_kgid);
4577
4578 /* Setup the WepKey */
4579 entry = proc_create_data("WepKey", proc_perm,
4580 apriv->proc_entry, &proc_wepkey_ops, dev);
4581 if (!entry)
4582 goto fail;
4583 proc_set_user(entry, proc_kuid, proc_kgid);
4584 return 0;
4585
4586fail:
4587 remove_proc_subtree(apriv->proc_name, airo_entry);
4588 return -ENOMEM;
4589}
4590
4591static int takedown_proc_entry( struct net_device *dev,
4592 struct airo_info *apriv )
4593{
4594 remove_proc_subtree(apriv->proc_name, airo_entry);
4595 return 0;
4596}
4597
4598/*
4599 * What we want from the proc_fs is to be able to efficiently read
4600 * and write the configuration. To do this, we want to read the
4601 * configuration when the file is opened and write it when the file is
4602 * closed. So basically we allocate a read buffer at open and fill it
4603 * with data, and allocate a write buffer and read it at close.
4604 */
4605
4606/*
4607 * The read routine is generic, it relies on the preallocated rbuffer
4608 * to supply the data.
4609 */
4610static ssize_t proc_read( struct file *file,
4611 char __user *buffer,
4612 size_t len,
4613 loff_t *offset )
4614{
4615 struct proc_data *priv = file->private_data;
4616
4617 if (!priv->rbuffer)
4618 return -EINVAL;
4619
4620 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4621 priv->readlen);
4622}
4623
4624/*
4625 * The write routine is generic, it fills in a preallocated rbuffer
4626 * to supply the data.
4627 */
4628static ssize_t proc_write( struct file *file,
4629 const char __user *buffer,
4630 size_t len,
4631 loff_t *offset )
4632{
4633 ssize_t ret;
4634 struct proc_data *priv = file->private_data;
4635
4636 if (!priv->wbuffer)
4637 return -EINVAL;
4638
4639 ret = simple_write_to_buffer(priv->wbuffer, priv->maxwritelen, offset,
4640 buffer, len);
4641 if (ret > 0)
4642 priv->writelen = max_t(int, priv->writelen, *offset);
4643
4644 return ret;
4645}
4646
4647static int proc_status_open(struct inode *inode, struct file *file)
4648{
4649 struct proc_data *data;
4650 struct net_device *dev = PDE_DATA(inode);
4651 struct airo_info *apriv = dev->ml_priv;
4652 CapabilityRid cap_rid;
4653 StatusRid status_rid;
4654 u16 mode;
4655 int i;
4656
4657 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4658 return -ENOMEM;
4659 data = file->private_data;
4660 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4661 kfree (file->private_data);
4662 return -ENOMEM;
4663 }
4664
4665 readStatusRid(apriv, &status_rid, 1);
4666 readCapabilityRid(apriv, &cap_rid, 1);
4667
4668 mode = le16_to_cpu(status_rid.mode);
4669
4670 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4671 mode & 1 ? "CFG ": "",
4672 mode & 2 ? "ACT ": "",
4673 mode & 0x10 ? "SYN ": "",
4674 mode & 0x20 ? "LNK ": "",
4675 mode & 0x40 ? "LEAP ": "",
4676 mode & 0x80 ? "PRIV ": "",
4677 mode & 0x100 ? "KEY ": "",
4678 mode & 0x200 ? "WEP ": "",
4679 mode & 0x8000 ? "ERR ": "");
4680 sprintf( data->rbuffer+i, "Mode: %x\n"
4681 "Signal Strength: %d\n"
4682 "Signal Quality: %d\n"
4683 "SSID: %-.*s\n"
4684 "AP: %-.16s\n"
4685 "Freq: %d\n"
4686 "BitRate: %dmbs\n"
4687 "Driver Version: %s\n"
4688 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4689 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4690 "Software Version: %x\nSoftware Subversion: %x\n"
4691 "Boot block version: %x\n",
4692 le16_to_cpu(status_rid.mode),
4693 le16_to_cpu(status_rid.normalizedSignalStrength),
4694 le16_to_cpu(status_rid.signalQuality),
4695 le16_to_cpu(status_rid.SSIDlen),
4696 status_rid.SSID,
4697 status_rid.apName,
4698 le16_to_cpu(status_rid.channel),
4699 le16_to_cpu(status_rid.currentXmitRate) / 2,
4700 version,
4701 cap_rid.prodName,
4702 cap_rid.manName,
4703 cap_rid.prodVer,
4704 le16_to_cpu(cap_rid.radioType),
4705 le16_to_cpu(cap_rid.country),
4706 le16_to_cpu(cap_rid.hardVer),
4707 le16_to_cpu(cap_rid.softVer),
4708 le16_to_cpu(cap_rid.softSubVer),
4709 le16_to_cpu(cap_rid.bootBlockVer));
4710 data->readlen = strlen( data->rbuffer );
4711 return 0;
4712}
4713
4714static int proc_stats_rid_open(struct inode*, struct file*, u16);
4715static int proc_statsdelta_open( struct inode *inode,
4716 struct file *file ) {
4717 if (file->f_mode&FMODE_WRITE) {
4718 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4719 }
4720 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4721}
4722
4723static int proc_stats_open( struct inode *inode, struct file *file ) {
4724 return proc_stats_rid_open(inode, file, RID_STATS);
4725}
4726
4727static int proc_stats_rid_open( struct inode *inode,
4728 struct file *file,
4729 u16 rid )
4730{
4731 struct proc_data *data;
4732 struct net_device *dev = PDE_DATA(inode);
4733 struct airo_info *apriv = dev->ml_priv;
4734 StatsRid stats;
4735 int i, j;
4736 __le32 *vals = stats.vals;
4737 int len;
4738
4739 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4740 return -ENOMEM;
4741 data = file->private_data;
4742 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4743 kfree (file->private_data);
4744 return -ENOMEM;
4745 }
4746
4747 readStatsRid(apriv, &stats, rid, 1);
4748 len = le16_to_cpu(stats.len);
4749
4750 j = 0;
4751 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4752 if (!statsLabels[i]) continue;
4753 if (j+strlen(statsLabels[i])+16>4096) {
4754 airo_print_warn(apriv->dev->name,
4755 "Potentially disastrous buffer overflow averted!");
4756 break;
4757 }
4758 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4759 le32_to_cpu(vals[i]));
4760 }
4761 if (i*4 >= len) {
4762 airo_print_warn(apriv->dev->name, "Got a short rid");
4763 }
4764 data->readlen = j;
4765 return 0;
4766}
4767
4768static int get_dec_u16( char *buffer, int *start, int limit ) {
4769 u16 value;
4770 int valid = 0;
4771 for (value = 0; *start < limit && buffer[*start] >= '0' &&
4772 buffer[*start] <= '9'; (*start)++) {
4773 valid = 1;
4774 value *= 10;
4775 value += buffer[*start] - '0';
4776 }
4777 if ( !valid ) return -1;
4778 return value;
4779}
4780
4781static int airo_config_commit(struct net_device *dev,
4782 struct iw_request_info *info, void *zwrq,
4783 char *extra);
4784
4785static inline int sniffing_mode(struct airo_info *ai)
4786{
4787 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >=
4788 le16_to_cpu(RXMODE_RFMON);
4789}
4790
4791static void proc_config_on_close(struct inode *inode, struct file *file)
4792{
4793 struct proc_data *data = file->private_data;
4794 struct net_device *dev = PDE_DATA(inode);
4795 struct airo_info *ai = dev->ml_priv;
4796 char *line;
4797
4798 if ( !data->writelen ) return;
4799
4800 readConfigRid(ai, 1);
4801 set_bit (FLAG_COMMIT, &ai->flags);
4802
4803 line = data->wbuffer;
4804 while( line[0] ) {
4805/*** Mode processing */
4806 if ( !strncmp( line, "Mode: ", 6 ) ) {
4807 line += 6;
4808 if (sniffing_mode(ai))
4809 set_bit (FLAG_RESET, &ai->flags);
4810 ai->config.rmode &= ~RXMODE_FULL_MASK;
4811 clear_bit (FLAG_802_11, &ai->flags);
4812 ai->config.opmode &= ~MODE_CFG_MASK;
4813 ai->config.scanMode = SCANMODE_ACTIVE;
4814 if ( line[0] == 'a' ) {
4815 ai->config.opmode |= MODE_STA_IBSS;
4816 } else {
4817 ai->config.opmode |= MODE_STA_ESS;
4818 if ( line[0] == 'r' ) {
4819 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4820 ai->config.scanMode = SCANMODE_PASSIVE;
4821 set_bit (FLAG_802_11, &ai->flags);
4822 } else if ( line[0] == 'y' ) {
4823 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4824 ai->config.scanMode = SCANMODE_PASSIVE;
4825 set_bit (FLAG_802_11, &ai->flags);
4826 } else if ( line[0] == 'l' )
4827 ai->config.rmode |= RXMODE_LANMON;
4828 }
4829 set_bit (FLAG_COMMIT, &ai->flags);
4830 }
4831
4832/*** Radio status */
4833 else if (!strncmp(line,"Radio: ", 7)) {
4834 line += 7;
4835 if (!strncmp(line,"off",3)) {
4836 set_bit (FLAG_RADIO_OFF, &ai->flags);
4837 } else {
4838 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4839 }
4840 }
4841/*** NodeName processing */
4842 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4843 int j;
4844
4845 line += 10;
4846 memset( ai->config.nodeName, 0, 16 );
4847/* Do the name, assume a space between the mode and node name */
4848 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4849 ai->config.nodeName[j] = line[j];
4850 }
4851 set_bit (FLAG_COMMIT, &ai->flags);
4852 }
4853
4854/*** PowerMode processing */
4855 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4856 line += 11;
4857 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4858 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4859 set_bit (FLAG_COMMIT, &ai->flags);
4860 } else if ( !strncmp( line, "PSP", 3 ) ) {
4861 ai->config.powerSaveMode = POWERSAVE_PSP;
4862 set_bit (FLAG_COMMIT, &ai->flags);
4863 } else {
4864 ai->config.powerSaveMode = POWERSAVE_CAM;
4865 set_bit (FLAG_COMMIT, &ai->flags);
4866 }
4867 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4868 int v, i = 0, k = 0; /* i is index into line,
4869 k is index to rates */
4870
4871 line += 11;
4872 while((v = get_dec_u16(line, &i, 3))!=-1) {
4873 ai->config.rates[k++] = (u8)v;
4874 line += i + 1;
4875 i = 0;
4876 }
4877 set_bit (FLAG_COMMIT, &ai->flags);
4878 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4879 int v, i = 0;
4880 line += 9;
4881 v = get_dec_u16(line, &i, i+3);
4882 if ( v != -1 ) {
4883 ai->config.channelSet = cpu_to_le16(v);
4884 set_bit (FLAG_COMMIT, &ai->flags);
4885 }
4886 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4887 int v, i = 0;
4888 line += 11;
4889 v = get_dec_u16(line, &i, i+3);
4890 if ( v != -1 ) {
4891 ai->config.txPower = cpu_to_le16(v);
4892 set_bit (FLAG_COMMIT, &ai->flags);
4893 }
4894 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4895 line += 5;
4896 switch( line[0] ) {
4897 case 's':
4898 set_auth_type(ai, AUTH_SHAREDKEY);
4899 break;
4900 case 'e':
4901 set_auth_type(ai, AUTH_ENCRYPT);
4902 break;
4903 default:
4904 set_auth_type(ai, AUTH_OPEN);
4905 break;
4906 }
4907 set_bit (FLAG_COMMIT, &ai->flags);
4908 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4909 int v, i = 0;
4910
4911 line += 16;
4912 v = get_dec_u16(line, &i, 3);
4913 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4914 ai->config.longRetryLimit = cpu_to_le16(v);
4915 set_bit (FLAG_COMMIT, &ai->flags);
4916 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4917 int v, i = 0;
4918
4919 line += 17;
4920 v = get_dec_u16(line, &i, 3);
4921 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4922 ai->config.shortRetryLimit = cpu_to_le16(v);
4923 set_bit (FLAG_COMMIT, &ai->flags);
4924 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4925 int v, i = 0;
4926
4927 line += 14;
4928 v = get_dec_u16(line, &i, 4);
4929 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4930 ai->config.rtsThres = cpu_to_le16(v);
4931 set_bit (FLAG_COMMIT, &ai->flags);
4932 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4933 int v, i = 0;
4934
4935 line += 16;
4936 v = get_dec_u16(line, &i, 5);
4937 v = (v<0) ? 0 : v;
4938 ai->config.txLifetime = cpu_to_le16(v);
4939 set_bit (FLAG_COMMIT, &ai->flags);
4940 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4941 int v, i = 0;
4942
4943 line += 16;
4944 v = get_dec_u16(line, &i, 5);
4945 v = (v<0) ? 0 : v;
4946 ai->config.rxLifetime = cpu_to_le16(v);
4947 set_bit (FLAG_COMMIT, &ai->flags);
4948 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4949 ai->config.txDiversity =
4950 (line[13]=='l') ? 1 :
4951 ((line[13]=='r')? 2: 3);
4952 set_bit (FLAG_COMMIT, &ai->flags);
4953 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4954 ai->config.rxDiversity =
4955 (line[13]=='l') ? 1 :
4956 ((line[13]=='r')? 2: 3);
4957 set_bit (FLAG_COMMIT, &ai->flags);
4958 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4959 int v, i = 0;
4960
4961 line += 15;
4962 v = get_dec_u16(line, &i, 4);
4963 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4964 v = v & 0xfffe; /* Make sure its even */
4965 ai->config.fragThresh = cpu_to_le16(v);
4966 set_bit (FLAG_COMMIT, &ai->flags);
4967 } else if (!strncmp(line, "Modulation: ", 12)) {
4968 line += 12;
4969 switch(*line) {
4970 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4971 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4972 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4973 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4974 }
4975 } else if (!strncmp(line, "Preamble: ", 10)) {
4976 line += 10;
4977 switch(*line) {
4978 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4979 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4980 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4981 default: airo_print_warn(ai->dev->name, "Unknown preamble");
4982 }
4983 } else {
4984 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
4985 }
4986 while( line[0] && line[0] != '\n' ) line++;
4987 if ( line[0] ) line++;
4988 }
4989 airo_config_commit(dev, NULL, NULL, NULL);
4990}
4991
4992static const char *get_rmode(__le16 mode)
4993{
4994 switch(mode & RXMODE_MASK) {
4995 case RXMODE_RFMON: return "rfmon";
4996 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
4997 case RXMODE_LANMON: return "lanmon";
4998 }
4999 return "ESS";
5000}
5001
5002static int proc_config_open(struct inode *inode, struct file *file)
5003{
5004 struct proc_data *data;
5005 struct net_device *dev = PDE_DATA(inode);
5006 struct airo_info *ai = dev->ml_priv;
5007 int i;
5008 __le16 mode;
5009
5010 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5011 return -ENOMEM;
5012 data = file->private_data;
5013 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5014 kfree (file->private_data);
5015 return -ENOMEM;
5016 }
5017 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5018 kfree (data->rbuffer);
5019 kfree (file->private_data);
5020 return -ENOMEM;
5021 }
5022 data->maxwritelen = 2048;
5023 data->on_close = proc_config_on_close;
5024
5025 readConfigRid(ai, 1);
5026
5027 mode = ai->config.opmode & MODE_CFG_MASK;
5028 i = sprintf( data->rbuffer,
5029 "Mode: %s\n"
5030 "Radio: %s\n"
5031 "NodeName: %-16s\n"
5032 "PowerMode: %s\n"
5033 "DataRates: %d %d %d %d %d %d %d %d\n"
5034 "Channel: %d\n"
5035 "XmitPower: %d\n",
5036 mode == MODE_STA_IBSS ? "adhoc" :
5037 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5038 mode == MODE_AP ? "AP" :
5039 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5040 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5041 ai->config.nodeName,
5042 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5043 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5044 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5045 "Error",
5046 (int)ai->config.rates[0],
5047 (int)ai->config.rates[1],
5048 (int)ai->config.rates[2],
5049 (int)ai->config.rates[3],
5050 (int)ai->config.rates[4],
5051 (int)ai->config.rates[5],
5052 (int)ai->config.rates[6],
5053 (int)ai->config.rates[7],
5054 le16_to_cpu(ai->config.channelSet),
5055 le16_to_cpu(ai->config.txPower)
5056 );
5057 sprintf( data->rbuffer + i,
5058 "LongRetryLimit: %d\n"
5059 "ShortRetryLimit: %d\n"
5060 "RTSThreshold: %d\n"
5061 "TXMSDULifetime: %d\n"
5062 "RXMSDULifetime: %d\n"
5063 "TXDiversity: %s\n"
5064 "RXDiversity: %s\n"
5065 "FragThreshold: %d\n"
5066 "WEP: %s\n"
5067 "Modulation: %s\n"
5068 "Preamble: %s\n",
5069 le16_to_cpu(ai->config.longRetryLimit),
5070 le16_to_cpu(ai->config.shortRetryLimit),
5071 le16_to_cpu(ai->config.rtsThres),
5072 le16_to_cpu(ai->config.txLifetime),
5073 le16_to_cpu(ai->config.rxLifetime),
5074 ai->config.txDiversity == 1 ? "left" :
5075 ai->config.txDiversity == 2 ? "right" : "both",
5076 ai->config.rxDiversity == 1 ? "left" :
5077 ai->config.rxDiversity == 2 ? "right" : "both",
5078 le16_to_cpu(ai->config.fragThresh),
5079 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5080 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5081 ai->config.modulation == MOD_DEFAULT ? "default" :
5082 ai->config.modulation == MOD_CCK ? "cck" :
5083 ai->config.modulation == MOD_MOK ? "mok" : "error",
5084 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5085 ai->config.preamble == PREAMBLE_LONG ? "long" :
5086 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5087 );
5088 data->readlen = strlen( data->rbuffer );
5089 return 0;
5090}
5091
5092static void proc_SSID_on_close(struct inode *inode, struct file *file)
5093{
5094 struct proc_data *data = file->private_data;
5095 struct net_device *dev = PDE_DATA(inode);
5096 struct airo_info *ai = dev->ml_priv;
5097 SsidRid SSID_rid;
5098 int i;
5099 char *p = data->wbuffer;
5100 char *end = p + data->writelen;
5101
5102 if (!data->writelen)
5103 return;
5104
5105 *end = '\n'; /* sentinel; we have space for it */
5106
5107 memset(&SSID_rid, 0, sizeof(SSID_rid));
5108
5109 for (i = 0; i < 3 && p < end; i++) {
5110 int j = 0;
5111 /* copy up to 32 characters from this line */
5112 while (*p != '\n' && j < 32)
5113 SSID_rid.ssids[i].ssid[j++] = *p++;
5114 if (j == 0)
5115 break;
5116 SSID_rid.ssids[i].len = cpu_to_le16(j);
5117 /* skip to the beginning of the next line */
5118 while (*p++ != '\n')
5119 ;
5120 }
5121 if (i)
5122 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5123 disable_MAC(ai, 1);
5124 writeSsidRid(ai, &SSID_rid, 1);
5125 enable_MAC(ai, 1);
5126}
5127
5128static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5129 struct proc_data *data = file->private_data;
5130 struct net_device *dev = PDE_DATA(inode);
5131 struct airo_info *ai = dev->ml_priv;
5132 APListRid *APList_rid = &ai->APList;
5133 int i;
5134
5135 if ( !data->writelen ) return;
5136
5137 memset(APList_rid, 0, sizeof(*APList_rid));
5138 APList_rid->len = cpu_to_le16(sizeof(*APList_rid));
5139
5140 for (i = 0; i < 4 && data->writelen >= (i + 1) * 6 * 3; i++)
5141 mac_pton(data->wbuffer + i * 6 * 3, APList_rid->ap[i]);
5142
5143 disable_MAC(ai, 1);
5144 writeAPListRid(ai, APList_rid, 1);
5145 enable_MAC(ai, 1);
5146}
5147
5148/* This function wraps PC4500_writerid with a MAC disable */
5149static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5150 int len, int dummy ) {
5151 int rc;
5152
5153 disable_MAC(ai, 1);
5154 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5155 enable_MAC(ai, 1);
5156 return rc;
5157}
5158
5159/* Returns the WEP key at the specified index, or -1 if that key does
5160 * not exist. The buffer is assumed to be at least 16 bytes in length.
5161 */
5162static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5163{
5164 WepKeyRid wkr;
5165 int rc;
5166 __le16 lastindex;
5167
5168 rc = readWepKeyRid(ai, &wkr, 1, 1);
5169 if (rc != SUCCESS)
5170 return -1;
5171 do {
5172 lastindex = wkr.kindex;
5173 if (le16_to_cpu(wkr.kindex) == index) {
5174 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5175 memcpy(buf, wkr.key, klen);
5176 return klen;
5177 }
5178 rc = readWepKeyRid(ai, &wkr, 0, 1);
5179 if (rc != SUCCESS)
5180 return -1;
5181 } while (lastindex != wkr.kindex);
5182 return -1;
5183}
5184
5185static int get_wep_tx_idx(struct airo_info *ai)
5186{
5187 WepKeyRid wkr;
5188 int rc;
5189 __le16 lastindex;
5190
5191 rc = readWepKeyRid(ai, &wkr, 1, 1);
5192 if (rc != SUCCESS)
5193 return -1;
5194 do {
5195 lastindex = wkr.kindex;
5196 if (wkr.kindex == cpu_to_le16(0xffff))
5197 return wkr.mac[0];
5198 rc = readWepKeyRid(ai, &wkr, 0, 1);
5199 if (rc != SUCCESS)
5200 return -1;
5201 } while (lastindex != wkr.kindex);
5202 return -1;
5203}
5204
5205static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5206 u16 keylen, int perm, int lock)
5207{
5208 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5209 WepKeyRid wkr;
5210 int rc;
5211
5212 if (WARN_ON(keylen == 0))
5213 return -1;
5214
5215 memset(&wkr, 0, sizeof(wkr));
5216 wkr.len = cpu_to_le16(sizeof(wkr));
5217 wkr.kindex = cpu_to_le16(index);
5218 wkr.klen = cpu_to_le16(keylen);
5219 memcpy(wkr.key, key, keylen);
5220 memcpy(wkr.mac, macaddr, ETH_ALEN);
5221
5222 if (perm) disable_MAC(ai, lock);
5223 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5224 if (perm) enable_MAC(ai, lock);
5225 return rc;
5226}
5227
5228static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5229{
5230 WepKeyRid wkr;
5231 int rc;
5232
5233 memset(&wkr, 0, sizeof(wkr));
5234 wkr.len = cpu_to_le16(sizeof(wkr));
5235 wkr.kindex = cpu_to_le16(0xffff);
5236 wkr.mac[0] = (char)index;
5237
5238 if (perm) {
5239 ai->defindex = (char)index;
5240 disable_MAC(ai, lock);
5241 }
5242
5243 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5244
5245 if (perm)
5246 enable_MAC(ai, lock);
5247 return rc;
5248}
5249
5250static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5251 struct proc_data *data;
5252 struct net_device *dev = PDE_DATA(inode);
5253 struct airo_info *ai = dev->ml_priv;
5254 int i, rc;
5255 char key[16];
5256 u16 index = 0;
5257 int j = 0;
5258
5259 memset(key, 0, sizeof(key));
5260
5261 data = file->private_data;
5262 if ( !data->writelen ) return;
5263
5264 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5265 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5266 index = data->wbuffer[0] - '0';
5267 if (data->wbuffer[1] == '\n') {
5268 rc = set_wep_tx_idx(ai, index, 1, 1);
5269 if (rc < 0) {
5270 airo_print_err(ai->dev->name, "failed to set "
5271 "WEP transmit index to %d: %d.",
5272 index, rc);
5273 }
5274 return;
5275 }
5276 j = 2;
5277 } else {
5278 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5279 return;
5280 }
5281
5282 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5283 switch(i%3) {
5284 case 0:
5285 key[i/3] = hex_to_bin(data->wbuffer[i+j])<<4;
5286 break;
5287 case 1:
5288 key[i/3] |= hex_to_bin(data->wbuffer[i+j]);
5289 break;
5290 }
5291 }
5292
5293 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5294 if (rc < 0) {
5295 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5296 "%d: %d.", index, rc);
5297 }
5298}
5299
5300static int proc_wepkey_open( struct inode *inode, struct file *file )
5301{
5302 struct proc_data *data;
5303 struct net_device *dev = PDE_DATA(inode);
5304 struct airo_info *ai = dev->ml_priv;
5305 char *ptr;
5306 WepKeyRid wkr;
5307 __le16 lastindex;
5308 int j=0;
5309 int rc;
5310
5311 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5312 return -ENOMEM;
5313 memset(&wkr, 0, sizeof(wkr));
5314 data = file->private_data;
5315 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5316 kfree (file->private_data);
5317 return -ENOMEM;
5318 }
5319 data->writelen = 0;
5320 data->maxwritelen = 80;
5321 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5322 kfree (data->rbuffer);
5323 kfree (file->private_data);
5324 return -ENOMEM;
5325 }
5326 data->on_close = proc_wepkey_on_close;
5327
5328 ptr = data->rbuffer;
5329 strcpy(ptr, "No wep keys\n");
5330 rc = readWepKeyRid(ai, &wkr, 1, 1);
5331 if (rc == SUCCESS) do {
5332 lastindex = wkr.kindex;
5333 if (wkr.kindex == cpu_to_le16(0xffff)) {
5334 j += sprintf(ptr+j, "Tx key = %d\n",
5335 (int)wkr.mac[0]);
5336 } else {
5337 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5338 le16_to_cpu(wkr.kindex),
5339 le16_to_cpu(wkr.klen));
5340 }
5341 readWepKeyRid(ai, &wkr, 0, 1);
5342 } while((lastindex != wkr.kindex) && (j < 180-30));
5343
5344 data->readlen = strlen( data->rbuffer );
5345 return 0;
5346}
5347
5348static int proc_SSID_open(struct inode *inode, struct file *file)
5349{
5350 struct proc_data *data;
5351 struct net_device *dev = PDE_DATA(inode);
5352 struct airo_info *ai = dev->ml_priv;
5353 int i;
5354 char *ptr;
5355 SsidRid SSID_rid;
5356
5357 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5358 return -ENOMEM;
5359 data = file->private_data;
5360 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5361 kfree (file->private_data);
5362 return -ENOMEM;
5363 }
5364 data->writelen = 0;
5365 data->maxwritelen = 33*3;
5366 /* allocate maxwritelen + 1; we'll want a sentinel */
5367 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5368 kfree (data->rbuffer);
5369 kfree (file->private_data);
5370 return -ENOMEM;
5371 }
5372 data->on_close = proc_SSID_on_close;
5373
5374 readSsidRid(ai, &SSID_rid);
5375 ptr = data->rbuffer;
5376 for (i = 0; i < 3; i++) {
5377 int j;
5378 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5379 if (!len)
5380 break;
5381 if (len > 32)
5382 len = 32;
5383 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5384 *ptr++ = SSID_rid.ssids[i].ssid[j];
5385 *ptr++ = '\n';
5386 }
5387 *ptr = '\0';
5388 data->readlen = strlen( data->rbuffer );
5389 return 0;
5390}
5391
5392static int proc_APList_open( struct inode *inode, struct file *file ) {
5393 struct proc_data *data;
5394 struct net_device *dev = PDE_DATA(inode);
5395 struct airo_info *ai = dev->ml_priv;
5396 int i;
5397 char *ptr;
5398 APListRid *APList_rid = &ai->APList;
5399
5400 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5401 return -ENOMEM;
5402 data = file->private_data;
5403 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5404 kfree (file->private_data);
5405 return -ENOMEM;
5406 }
5407 data->writelen = 0;
5408 data->maxwritelen = 4*6*3;
5409 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5410 kfree (data->rbuffer);
5411 kfree (file->private_data);
5412 return -ENOMEM;
5413 }
5414 data->on_close = proc_APList_on_close;
5415
5416 ptr = data->rbuffer;
5417 for( i = 0; i < 4; i++ ) {
5418// We end when we find a zero MAC
5419 if ( !*(int*)APList_rid->ap[i] &&
5420 !*(int*)&APList_rid->ap[i][2]) break;
5421 ptr += sprintf(ptr, "%pM\n", APList_rid->ap[i]);
5422 }
5423 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5424
5425 *ptr = '\0';
5426 data->readlen = strlen( data->rbuffer );
5427 return 0;
5428}
5429
5430static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5431 struct proc_data *data;
5432 struct net_device *dev = PDE_DATA(inode);
5433 struct airo_info *ai = dev->ml_priv;
5434 char *ptr;
5435 BSSListRid BSSList_rid;
5436 int rc;
5437 /* If doLoseSync is not 1, we won't do a Lose Sync */
5438 int doLoseSync = -1;
5439
5440 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5441 return -ENOMEM;
5442 data = file->private_data;
5443 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5444 kfree (file->private_data);
5445 return -ENOMEM;
5446 }
5447 data->writelen = 0;
5448 data->maxwritelen = 0;
5449 data->wbuffer = NULL;
5450 data->on_close = NULL;
5451
5452 if (file->f_mode & FMODE_WRITE) {
5453 if (!(file->f_mode & FMODE_READ)) {
5454 Cmd cmd;
5455 Resp rsp;
5456
5457 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5458 memset(&cmd, 0, sizeof(cmd));
5459 cmd.cmd=CMD_LISTBSS;
5460 if (down_interruptible(&ai->sem))
5461 return -ERESTARTSYS;
5462 issuecommand(ai, &cmd, &rsp);
5463 up(&ai->sem);
5464 data->readlen = 0;
5465 return 0;
5466 }
5467 doLoseSync = 1;
5468 }
5469 ptr = data->rbuffer;
5470 /* There is a race condition here if there are concurrent opens.
5471 Since it is a rare condition, we'll just live with it, otherwise
5472 we have to add a spin lock... */
5473 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5474 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5475 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5476 BSSList_rid.bssid,
5477 (int)BSSList_rid.ssidLen,
5478 BSSList_rid.ssid,
5479 le16_to_cpu(BSSList_rid.dBm));
5480 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5481 le16_to_cpu(BSSList_rid.dsChannel),
5482 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5483 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5484 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5485 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5486 rc = readBSSListRid(ai, 0, &BSSList_rid);
5487 }
5488 *ptr = '\0';
5489 data->readlen = strlen( data->rbuffer );
5490 return 0;
5491}
5492
5493static int proc_close( struct inode *inode, struct file *file )
5494{
5495 struct proc_data *data = file->private_data;
5496
5497 if (data->on_close != NULL)
5498 data->on_close(inode, file);
5499 kfree(data->rbuffer);
5500 kfree(data->wbuffer);
5501 kfree(data);
5502 return 0;
5503}
5504
5505/* Since the card doesn't automatically switch to the right WEP mode,
5506 we will make it do it. If the card isn't associated, every secs we
5507 will switch WEP modes to see if that will help. If the card is
5508 associated we will check every minute to see if anything has
5509 changed. */
5510static void timer_func( struct net_device *dev ) {
5511 struct airo_info *apriv = dev->ml_priv;
5512
5513/* We don't have a link so try changing the authtype */
5514 readConfigRid(apriv, 0);
5515 disable_MAC(apriv, 0);
5516 switch(apriv->config.authType) {
5517 case AUTH_ENCRYPT:
5518/* So drop to OPEN */
5519 apriv->config.authType = AUTH_OPEN;
5520 break;
5521 case AUTH_SHAREDKEY:
5522 if (apriv->keyindex < auto_wep) {
5523 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
5524 apriv->config.authType = AUTH_SHAREDKEY;
5525 apriv->keyindex++;
5526 } else {
5527 /* Drop to ENCRYPT */
5528 apriv->keyindex = 0;
5529 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
5530 apriv->config.authType = AUTH_ENCRYPT;
5531 }
5532 break;
5533 default: /* We'll escalate to SHAREDKEY */
5534 apriv->config.authType = AUTH_SHAREDKEY;
5535 }
5536 set_bit (FLAG_COMMIT, &apriv->flags);
5537 writeConfigRid(apriv, 0);
5538 enable_MAC(apriv, 0);
5539 up(&apriv->sem);
5540
5541/* Schedule check to see if the change worked */
5542 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5543 apriv->expires = RUN_AT(HZ*3);
5544}
5545
5546#ifdef CONFIG_PCI
5547static int airo_pci_probe(struct pci_dev *pdev,
5548 const struct pci_device_id *pent)
5549{
5550 struct net_device *dev;
5551
5552 if (pci_enable_device(pdev))
5553 return -ENODEV;
5554 pci_set_master(pdev);
5555
5556 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5557 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5558 else
5559 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5560 if (!dev) {
5561 pci_disable_device(pdev);
5562 return -ENODEV;
5563 }
5564
5565 pci_set_drvdata(pdev, dev);
5566 return 0;
5567}
5568
5569static void airo_pci_remove(struct pci_dev *pdev)
5570{
5571 struct net_device *dev = pci_get_drvdata(pdev);
5572
5573 airo_print_info(dev->name, "Unregistering...");
5574 stop_airo_card(dev, 1);
5575 pci_disable_device(pdev);
5576}
5577
5578static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5579{
5580 struct net_device *dev = pci_get_drvdata(pdev);
5581 struct airo_info *ai = dev->ml_priv;
5582 Cmd cmd;
5583 Resp rsp;
5584
5585 if (!ai->SSID)
5586 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5587 if (!ai->SSID)
5588 return -ENOMEM;
5589 readSsidRid(ai, ai->SSID);
5590 memset(&cmd, 0, sizeof(cmd));
5591 /* the lock will be released at the end of the resume callback */
5592 if (down_interruptible(&ai->sem))
5593 return -EAGAIN;
5594 disable_MAC(ai, 0);
5595 netif_device_detach(dev);
5596 ai->power = state;
5597 cmd.cmd = HOSTSLEEP;
5598 issuecommand(ai, &cmd, &rsp);
5599
5600 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5601 pci_save_state(pdev);
5602 pci_set_power_state(pdev, pci_choose_state(pdev, state));
5603 return 0;
5604}
5605
5606static int airo_pci_resume(struct pci_dev *pdev)
5607{
5608 struct net_device *dev = pci_get_drvdata(pdev);
5609 struct airo_info *ai = dev->ml_priv;
5610 pci_power_t prev_state = pdev->current_state;
5611
5612 pci_set_power_state(pdev, PCI_D0);
5613 pci_restore_state(pdev);
5614 pci_enable_wake(pdev, PCI_D0, 0);
5615
5616 if (prev_state != PCI_D1) {
5617 reset_card(dev, 0);
5618 mpi_init_descriptors(ai);
5619 setup_card(ai, dev->dev_addr, 0);
5620 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5621 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5622 } else {
5623 OUT4500(ai, EVACK, EV_AWAKEN);
5624 OUT4500(ai, EVACK, EV_AWAKEN);
5625 msleep(100);
5626 }
5627
5628 set_bit(FLAG_COMMIT, &ai->flags);
5629 disable_MAC(ai, 0);
5630 msleep(200);
5631 if (ai->SSID) {
5632 writeSsidRid(ai, ai->SSID, 0);
5633 kfree(ai->SSID);
5634 ai->SSID = NULL;
5635 }
5636 writeAPListRid(ai, &ai->APList, 0);
5637 writeConfigRid(ai, 0);
5638 enable_MAC(ai, 0);
5639 ai->power = PMSG_ON;
5640 netif_device_attach(dev);
5641 netif_wake_queue(dev);
5642 enable_interrupts(ai);
5643 up(&ai->sem);
5644 return 0;
5645}
5646#endif
5647
5648static int __init airo_init_module( void )
5649{
5650 int i;
5651
5652 proc_kuid = make_kuid(&init_user_ns, proc_uid);
5653 proc_kgid = make_kgid(&init_user_ns, proc_gid);
5654 if (!uid_valid(proc_kuid) || !gid_valid(proc_kgid))
5655 return -EINVAL;
5656
5657 airo_entry = proc_mkdir_mode("driver/aironet", airo_perm, NULL);
5658
5659 if (airo_entry)
5660 proc_set_user(airo_entry, proc_kuid, proc_kgid);
5661
5662 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5663 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5664 "io=0x%x", irq[i], io[i] );
5665 if (init_airo_card( irq[i], io[i], 0, NULL ))
5666 /* do nothing */ ;
5667 }
5668
5669#ifdef CONFIG_PCI
5670 airo_print_info("", "Probing for PCI adapters");
5671 i = pci_register_driver(&airo_driver);
5672 airo_print_info("", "Finished probing for PCI adapters");
5673
5674 if (i) {
5675 remove_proc_entry("driver/aironet", NULL);
5676 return i;
5677 }
5678#endif
5679
5680 /* Always exit with success, as we are a library module
5681 * as well as a driver module
5682 */
5683 return 0;
5684}
5685
5686static void __exit airo_cleanup_module( void )
5687{
5688 struct airo_info *ai;
5689 while(!list_empty(&airo_devices)) {
5690 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5691 airo_print_info(ai->dev->name, "Unregistering...");
5692 stop_airo_card(ai->dev, 1);
5693 }
5694#ifdef CONFIG_PCI
5695 pci_unregister_driver(&airo_driver);
5696#endif
5697 remove_proc_entry("driver/aironet", NULL);
5698}
5699
5700/*
5701 * Initial Wireless Extension code for Aironet driver by :
5702 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5703 * Conversion to new driver API by :
5704 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5705 * Javier also did a good amount of work here, adding some new extensions
5706 * and fixing my code. Let's just say that without him this code just
5707 * would not work at all... - Jean II
5708 */
5709
5710static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5711{
5712 if (!rssi_rid)
5713 return 0;
5714
5715 return (0x100 - rssi_rid[rssi].rssidBm);
5716}
5717
5718static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5719{
5720 int i;
5721
5722 if (!rssi_rid)
5723 return 0;
5724
5725 for (i = 0; i < 256; i++)
5726 if (rssi_rid[i].rssidBm == dbm)
5727 return rssi_rid[i].rssipct;
5728
5729 return 0;
5730}
5731
5732
5733static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5734{
5735 int quality = 0;
5736 u16 sq;
5737
5738 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5739 return 0;
5740
5741 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5742 return 0;
5743
5744 sq = le16_to_cpu(status_rid->signalQuality);
5745 if (memcmp(cap_rid->prodName, "350", 3))
5746 if (sq > 0x20)
5747 quality = 0;
5748 else
5749 quality = 0x20 - sq;
5750 else
5751 if (sq > 0xb0)
5752 quality = 0;
5753 else if (sq < 0x10)
5754 quality = 0xa0;
5755 else
5756 quality = 0xb0 - sq;
5757 return quality;
5758}
5759
5760#define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5761#define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5762
5763/*------------------------------------------------------------------*/
5764/*
5765 * Wireless Handler : get protocol name
5766 */
5767static int airo_get_name(struct net_device *dev,
5768 struct iw_request_info *info,
5769 char *cwrq,
5770 char *extra)
5771{
5772 strcpy(cwrq, "IEEE 802.11-DS");
5773 return 0;
5774}
5775
5776/*------------------------------------------------------------------*/
5777/*
5778 * Wireless Handler : set frequency
5779 */
5780static int airo_set_freq(struct net_device *dev,
5781 struct iw_request_info *info,
5782 struct iw_freq *fwrq,
5783 char *extra)
5784{
5785 struct airo_info *local = dev->ml_priv;
5786 int rc = -EINPROGRESS; /* Call commit handler */
5787
5788 /* If setting by frequency, convert to a channel */
5789 if(fwrq->e == 1) {
5790 int f = fwrq->m / 100000;
5791
5792 /* Hack to fall through... */
5793 fwrq->e = 0;
5794 fwrq->m = ieee80211_frequency_to_channel(f);
5795 }
5796 /* Setting by channel number */
5797 if((fwrq->m > 1000) || (fwrq->e > 0))
5798 rc = -EOPNOTSUPP;
5799 else {
5800 int channel = fwrq->m;
5801 /* We should do a better check than that,
5802 * based on the card capability !!! */
5803 if((channel < 1) || (channel > 14)) {
5804 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5805 fwrq->m);
5806 rc = -EINVAL;
5807 } else {
5808 readConfigRid(local, 1);
5809 /* Yes ! We can set it !!! */
5810 local->config.channelSet = cpu_to_le16(channel);
5811 set_bit (FLAG_COMMIT, &local->flags);
5812 }
5813 }
5814 return rc;
5815}
5816
5817/*------------------------------------------------------------------*/
5818/*
5819 * Wireless Handler : get frequency
5820 */
5821static int airo_get_freq(struct net_device *dev,
5822 struct iw_request_info *info,
5823 struct iw_freq *fwrq,
5824 char *extra)
5825{
5826 struct airo_info *local = dev->ml_priv;
5827 StatusRid status_rid; /* Card status info */
5828 int ch;
5829
5830 readConfigRid(local, 1);
5831 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5832 status_rid.channel = local->config.channelSet;
5833 else
5834 readStatusRid(local, &status_rid, 1);
5835
5836 ch = le16_to_cpu(status_rid.channel);
5837 if((ch > 0) && (ch < 15)) {
5838 fwrq->m = 100000 *
5839 ieee80211_channel_to_frequency(ch, IEEE80211_BAND_2GHZ);
5840 fwrq->e = 1;
5841 } else {
5842 fwrq->m = ch;
5843 fwrq->e = 0;
5844 }
5845
5846 return 0;
5847}
5848
5849/*------------------------------------------------------------------*/
5850/*
5851 * Wireless Handler : set ESSID
5852 */
5853static int airo_set_essid(struct net_device *dev,
5854 struct iw_request_info *info,
5855 struct iw_point *dwrq,
5856 char *extra)
5857{
5858 struct airo_info *local = dev->ml_priv;
5859 SsidRid SSID_rid; /* SSIDs */
5860
5861 /* Reload the list of current SSID */
5862 readSsidRid(local, &SSID_rid);
5863
5864 /* Check if we asked for `any' */
5865 if (dwrq->flags == 0) {
5866 /* Just send an empty SSID list */
5867 memset(&SSID_rid, 0, sizeof(SSID_rid));
5868 } else {
5869 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5870
5871 /* Check the size of the string */
5872 if (dwrq->length > IW_ESSID_MAX_SIZE)
5873 return -E2BIG ;
5874
5875 /* Check if index is valid */
5876 if (index >= ARRAY_SIZE(SSID_rid.ssids))
5877 return -EINVAL;
5878
5879 /* Set the SSID */
5880 memset(SSID_rid.ssids[index].ssid, 0,
5881 sizeof(SSID_rid.ssids[index].ssid));
5882 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5883 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5884 }
5885 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5886 /* Write it to the card */
5887 disable_MAC(local, 1);
5888 writeSsidRid(local, &SSID_rid, 1);
5889 enable_MAC(local, 1);
5890
5891 return 0;
5892}
5893
5894/*------------------------------------------------------------------*/
5895/*
5896 * Wireless Handler : get ESSID
5897 */
5898static int airo_get_essid(struct net_device *dev,
5899 struct iw_request_info *info,
5900 struct iw_point *dwrq,
5901 char *extra)
5902{
5903 struct airo_info *local = dev->ml_priv;
5904 StatusRid status_rid; /* Card status info */
5905
5906 readStatusRid(local, &status_rid, 1);
5907
5908 /* Note : if dwrq->flags != 0, we should
5909 * get the relevant SSID from the SSID list... */
5910
5911 /* Get the current SSID */
5912 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5913 /* If none, we may want to get the one that was set */
5914
5915 /* Push it out ! */
5916 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5917 dwrq->flags = 1; /* active */
5918
5919 return 0;
5920}
5921
5922/*------------------------------------------------------------------*/
5923/*
5924 * Wireless Handler : set AP address
5925 */
5926static int airo_set_wap(struct net_device *dev,
5927 struct iw_request_info *info,
5928 struct sockaddr *awrq,
5929 char *extra)
5930{
5931 struct airo_info *local = dev->ml_priv;
5932 Cmd cmd;
5933 Resp rsp;
5934 APListRid *APList_rid = &local->APList;
5935
5936 if (awrq->sa_family != ARPHRD_ETHER)
5937 return -EINVAL;
5938 else if (is_broadcast_ether_addr(awrq->sa_data) ||
5939 is_zero_ether_addr(awrq->sa_data)) {
5940 memset(&cmd, 0, sizeof(cmd));
5941 cmd.cmd=CMD_LOSE_SYNC;
5942 if (down_interruptible(&local->sem))
5943 return -ERESTARTSYS;
5944 issuecommand(local, &cmd, &rsp);
5945 up(&local->sem);
5946 } else {
5947 memset(APList_rid, 0, sizeof(*APList_rid));
5948 APList_rid->len = cpu_to_le16(sizeof(*APList_rid));
5949 memcpy(APList_rid->ap[0], awrq->sa_data, ETH_ALEN);
5950 disable_MAC(local, 1);
5951 writeAPListRid(local, APList_rid, 1);
5952 enable_MAC(local, 1);
5953 }
5954 return 0;
5955}
5956
5957/*------------------------------------------------------------------*/
5958/*
5959 * Wireless Handler : get AP address
5960 */
5961static int airo_get_wap(struct net_device *dev,
5962 struct iw_request_info *info,
5963 struct sockaddr *awrq,
5964 char *extra)
5965{
5966 struct airo_info *local = dev->ml_priv;
5967 StatusRid status_rid; /* Card status info */
5968
5969 readStatusRid(local, &status_rid, 1);
5970
5971 /* Tentative. This seems to work, wow, I'm lucky !!! */
5972 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5973 awrq->sa_family = ARPHRD_ETHER;
5974
5975 return 0;
5976}
5977
5978/*------------------------------------------------------------------*/
5979/*
5980 * Wireless Handler : set Nickname
5981 */
5982static int airo_set_nick(struct net_device *dev,
5983 struct iw_request_info *info,
5984 struct iw_point *dwrq,
5985 char *extra)
5986{
5987 struct airo_info *local = dev->ml_priv;
5988
5989 /* Check the size of the string */
5990 if(dwrq->length > 16) {
5991 return -E2BIG;
5992 }
5993 readConfigRid(local, 1);
5994 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
5995 memcpy(local->config.nodeName, extra, dwrq->length);
5996 set_bit (FLAG_COMMIT, &local->flags);
5997
5998 return -EINPROGRESS; /* Call commit handler */
5999}
6000
6001/*------------------------------------------------------------------*/
6002/*
6003 * Wireless Handler : get Nickname
6004 */
6005static int airo_get_nick(struct net_device *dev,
6006 struct iw_request_info *info,
6007 struct iw_point *dwrq,
6008 char *extra)
6009{
6010 struct airo_info *local = dev->ml_priv;
6011
6012 readConfigRid(local, 1);
6013 strncpy(extra, local->config.nodeName, 16);
6014 extra[16] = '\0';
6015 dwrq->length = strlen(extra);
6016
6017 return 0;
6018}
6019
6020/*------------------------------------------------------------------*/
6021/*
6022 * Wireless Handler : set Bit-Rate
6023 */
6024static int airo_set_rate(struct net_device *dev,
6025 struct iw_request_info *info,
6026 struct iw_param *vwrq,
6027 char *extra)
6028{
6029 struct airo_info *local = dev->ml_priv;
6030 CapabilityRid cap_rid; /* Card capability info */
6031 u8 brate = 0;
6032 int i;
6033
6034 /* First : get a valid bit rate value */
6035 readCapabilityRid(local, &cap_rid, 1);
6036
6037 /* Which type of value ? */
6038 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6039 /* Setting by rate index */
6040 /* Find value in the magic rate table */
6041 brate = cap_rid.supportedRates[vwrq->value];
6042 } else {
6043 /* Setting by frequency value */
6044 u8 normvalue = (u8) (vwrq->value/500000);
6045
6046 /* Check if rate is valid */
6047 for(i = 0 ; i < 8 ; i++) {
6048 if(normvalue == cap_rid.supportedRates[i]) {
6049 brate = normvalue;
6050 break;
6051 }
6052 }
6053 }
6054 /* -1 designed the max rate (mostly auto mode) */
6055 if(vwrq->value == -1) {
6056 /* Get the highest available rate */
6057 for(i = 0 ; i < 8 ; i++) {
6058 if(cap_rid.supportedRates[i] == 0)
6059 break;
6060 }
6061 if(i != 0)
6062 brate = cap_rid.supportedRates[i - 1];
6063 }
6064 /* Check that it is valid */
6065 if(brate == 0) {
6066 return -EINVAL;
6067 }
6068
6069 readConfigRid(local, 1);
6070 /* Now, check if we want a fixed or auto value */
6071 if(vwrq->fixed == 0) {
6072 /* Fill all the rates up to this max rate */
6073 memset(local->config.rates, 0, 8);
6074 for(i = 0 ; i < 8 ; i++) {
6075 local->config.rates[i] = cap_rid.supportedRates[i];
6076 if(local->config.rates[i] == brate)
6077 break;
6078 }
6079 } else {
6080 /* Fixed mode */
6081 /* One rate, fixed */
6082 memset(local->config.rates, 0, 8);
6083 local->config.rates[0] = brate;
6084 }
6085 set_bit (FLAG_COMMIT, &local->flags);
6086
6087 return -EINPROGRESS; /* Call commit handler */
6088}
6089
6090/*------------------------------------------------------------------*/
6091/*
6092 * Wireless Handler : get Bit-Rate
6093 */
6094static int airo_get_rate(struct net_device *dev,
6095 struct iw_request_info *info,
6096 struct iw_param *vwrq,
6097 char *extra)
6098{
6099 struct airo_info *local = dev->ml_priv;
6100 StatusRid status_rid; /* Card status info */
6101
6102 readStatusRid(local, &status_rid, 1);
6103
6104 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6105 /* If more than one rate, set auto */
6106 readConfigRid(local, 1);
6107 vwrq->fixed = (local->config.rates[1] == 0);
6108
6109 return 0;
6110}
6111
6112/*------------------------------------------------------------------*/
6113/*
6114 * Wireless Handler : set RTS threshold
6115 */
6116static int airo_set_rts(struct net_device *dev,
6117 struct iw_request_info *info,
6118 struct iw_param *vwrq,
6119 char *extra)
6120{
6121 struct airo_info *local = dev->ml_priv;
6122 int rthr = vwrq->value;
6123
6124 if(vwrq->disabled)
6125 rthr = AIRO_DEF_MTU;
6126 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6127 return -EINVAL;
6128 }
6129 readConfigRid(local, 1);
6130 local->config.rtsThres = cpu_to_le16(rthr);
6131 set_bit (FLAG_COMMIT, &local->flags);
6132
6133 return -EINPROGRESS; /* Call commit handler */
6134}
6135
6136/*------------------------------------------------------------------*/
6137/*
6138 * Wireless Handler : get RTS threshold
6139 */
6140static int airo_get_rts(struct net_device *dev,
6141 struct iw_request_info *info,
6142 struct iw_param *vwrq,
6143 char *extra)
6144{
6145 struct airo_info *local = dev->ml_priv;
6146
6147 readConfigRid(local, 1);
6148 vwrq->value = le16_to_cpu(local->config.rtsThres);
6149 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6150 vwrq->fixed = 1;
6151
6152 return 0;
6153}
6154
6155/*------------------------------------------------------------------*/
6156/*
6157 * Wireless Handler : set Fragmentation threshold
6158 */
6159static int airo_set_frag(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->ml_priv;
6165 int fthr = vwrq->value;
6166
6167 if(vwrq->disabled)
6168 fthr = AIRO_DEF_MTU;
6169 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6170 return -EINVAL;
6171 }
6172 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6173 readConfigRid(local, 1);
6174 local->config.fragThresh = cpu_to_le16(fthr);
6175 set_bit (FLAG_COMMIT, &local->flags);
6176
6177 return -EINPROGRESS; /* Call commit handler */
6178}
6179
6180/*------------------------------------------------------------------*/
6181/*
6182 * Wireless Handler : get Fragmentation threshold
6183 */
6184static int airo_get_frag(struct net_device *dev,
6185 struct iw_request_info *info,
6186 struct iw_param *vwrq,
6187 char *extra)
6188{
6189 struct airo_info *local = dev->ml_priv;
6190
6191 readConfigRid(local, 1);
6192 vwrq->value = le16_to_cpu(local->config.fragThresh);
6193 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6194 vwrq->fixed = 1;
6195
6196 return 0;
6197}
6198
6199/*------------------------------------------------------------------*/
6200/*
6201 * Wireless Handler : set Mode of Operation
6202 */
6203static int airo_set_mode(struct net_device *dev,
6204 struct iw_request_info *info,
6205 __u32 *uwrq,
6206 char *extra)
6207{
6208 struct airo_info *local = dev->ml_priv;
6209 int reset = 0;
6210
6211 readConfigRid(local, 1);
6212 if (sniffing_mode(local))
6213 reset = 1;
6214
6215 switch(*uwrq) {
6216 case IW_MODE_ADHOC:
6217 local->config.opmode &= ~MODE_CFG_MASK;
6218 local->config.opmode |= MODE_STA_IBSS;
6219 local->config.rmode &= ~RXMODE_FULL_MASK;
6220 local->config.scanMode = SCANMODE_ACTIVE;
6221 clear_bit (FLAG_802_11, &local->flags);
6222 break;
6223 case IW_MODE_INFRA:
6224 local->config.opmode &= ~MODE_CFG_MASK;
6225 local->config.opmode |= MODE_STA_ESS;
6226 local->config.rmode &= ~RXMODE_FULL_MASK;
6227 local->config.scanMode = SCANMODE_ACTIVE;
6228 clear_bit (FLAG_802_11, &local->flags);
6229 break;
6230 case IW_MODE_MASTER:
6231 local->config.opmode &= ~MODE_CFG_MASK;
6232 local->config.opmode |= MODE_AP;
6233 local->config.rmode &= ~RXMODE_FULL_MASK;
6234 local->config.scanMode = SCANMODE_ACTIVE;
6235 clear_bit (FLAG_802_11, &local->flags);
6236 break;
6237 case IW_MODE_REPEAT:
6238 local->config.opmode &= ~MODE_CFG_MASK;
6239 local->config.opmode |= MODE_AP_RPTR;
6240 local->config.rmode &= ~RXMODE_FULL_MASK;
6241 local->config.scanMode = SCANMODE_ACTIVE;
6242 clear_bit (FLAG_802_11, &local->flags);
6243 break;
6244 case IW_MODE_MONITOR:
6245 local->config.opmode &= ~MODE_CFG_MASK;
6246 local->config.opmode |= MODE_STA_ESS;
6247 local->config.rmode &= ~RXMODE_FULL_MASK;
6248 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6249 local->config.scanMode = SCANMODE_PASSIVE;
6250 set_bit (FLAG_802_11, &local->flags);
6251 break;
6252 default:
6253 return -EINVAL;
6254 }
6255 if (reset)
6256 set_bit (FLAG_RESET, &local->flags);
6257 set_bit (FLAG_COMMIT, &local->flags);
6258
6259 return -EINPROGRESS; /* Call commit handler */
6260}
6261
6262/*------------------------------------------------------------------*/
6263/*
6264 * Wireless Handler : get Mode of Operation
6265 */
6266static int airo_get_mode(struct net_device *dev,
6267 struct iw_request_info *info,
6268 __u32 *uwrq,
6269 char *extra)
6270{
6271 struct airo_info *local = dev->ml_priv;
6272
6273 readConfigRid(local, 1);
6274 /* If not managed, assume it's ad-hoc */
6275 switch (local->config.opmode & MODE_CFG_MASK) {
6276 case MODE_STA_ESS:
6277 *uwrq = IW_MODE_INFRA;
6278 break;
6279 case MODE_AP:
6280 *uwrq = IW_MODE_MASTER;
6281 break;
6282 case MODE_AP_RPTR:
6283 *uwrq = IW_MODE_REPEAT;
6284 break;
6285 default:
6286 *uwrq = IW_MODE_ADHOC;
6287 }
6288
6289 return 0;
6290}
6291
6292static inline int valid_index(struct airo_info *ai, int index)
6293{
6294 return (index >= 0) && (index <= ai->max_wep_idx);
6295}
6296
6297/*------------------------------------------------------------------*/
6298/*
6299 * Wireless Handler : set Encryption Key
6300 */
6301static int airo_set_encode(struct net_device *dev,
6302 struct iw_request_info *info,
6303 struct iw_point *dwrq,
6304 char *extra)
6305{
6306 struct airo_info *local = dev->ml_priv;
6307 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
6308 __le16 currentAuthType = local->config.authType;
6309 int rc = 0;
6310
6311 if (!local->wep_capable)
6312 return -EOPNOTSUPP;
6313
6314 readConfigRid(local, 1);
6315
6316 /* Basic checking: do we have a key to set ?
6317 * Note : with the new API, it's impossible to get a NULL pointer.
6318 * Therefore, we need to check a key size == 0 instead.
6319 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6320 * when no key is present (only change flags), but older versions
6321 * don't do it. - Jean II */
6322 if (dwrq->length > 0) {
6323 wep_key_t key;
6324 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6325 int current_index;
6326
6327 /* Check the size of the key */
6328 if (dwrq->length > MAX_KEY_SIZE) {
6329 return -EINVAL;
6330 }
6331
6332 current_index = get_wep_tx_idx(local);
6333 if (current_index < 0)
6334 current_index = 0;
6335
6336 /* Check the index (none -> use current) */
6337 if (!valid_index(local, index))
6338 index = current_index;
6339
6340 /* Set the length */
6341 if (dwrq->length > MIN_KEY_SIZE)
6342 key.len = MAX_KEY_SIZE;
6343 else
6344 key.len = MIN_KEY_SIZE;
6345 /* Check if the key is not marked as invalid */
6346 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6347 /* Cleanup */
6348 memset(key.key, 0, MAX_KEY_SIZE);
6349 /* Copy the key in the driver */
6350 memcpy(key.key, extra, dwrq->length);
6351 /* Send the key to the card */
6352 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6353 if (rc < 0) {
6354 airo_print_err(local->dev->name, "failed to set"
6355 " WEP key at index %d: %d.",
6356 index, rc);
6357 return rc;
6358 }
6359 }
6360 /* WE specify that if a valid key is set, encryption
6361 * should be enabled (user may turn it off later)
6362 * This is also how "iwconfig ethX key on" works */
6363 if((index == current_index) && (key.len > 0) &&
6364 (local->config.authType == AUTH_OPEN))
6365 set_auth_type(local, AUTH_ENCRYPT);
6366 } else {
6367 /* Do we want to just set the transmit key index ? */
6368 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6369 if (valid_index(local, index)) {
6370 rc = set_wep_tx_idx(local, index, perm, 1);
6371 if (rc < 0) {
6372 airo_print_err(local->dev->name, "failed to set"
6373 " WEP transmit index to %d: %d.",
6374 index, rc);
6375 return rc;
6376 }
6377 } else {
6378 /* Don't complain if only change the mode */
6379 if (!(dwrq->flags & IW_ENCODE_MODE))
6380 return -EINVAL;
6381 }
6382 }
6383 /* Read the flags */
6384 if (dwrq->flags & IW_ENCODE_DISABLED)
6385 set_auth_type(local, AUTH_OPEN); /* disable encryption */
6386 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6387 set_auth_type(local, AUTH_SHAREDKEY); /* Only Both */
6388 if (dwrq->flags & IW_ENCODE_OPEN)
6389 set_auth_type(local, AUTH_ENCRYPT); /* Only Wep */
6390 /* Commit the changes to flags if needed */
6391 if (local->config.authType != currentAuthType)
6392 set_bit (FLAG_COMMIT, &local->flags);
6393 return -EINPROGRESS; /* Call commit handler */
6394}
6395
6396/*------------------------------------------------------------------*/
6397/*
6398 * Wireless Handler : get Encryption Key
6399 */
6400static int airo_get_encode(struct net_device *dev,
6401 struct iw_request_info *info,
6402 struct iw_point *dwrq,
6403 char *extra)
6404{
6405 struct airo_info *local = dev->ml_priv;
6406 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6407 int wep_key_len;
6408 u8 buf[16];
6409
6410 if (!local->wep_capable)
6411 return -EOPNOTSUPP;
6412
6413 readConfigRid(local, 1);
6414
6415 /* Check encryption mode */
6416 switch(local->config.authType) {
6417 case AUTH_ENCRYPT:
6418 dwrq->flags = IW_ENCODE_OPEN;
6419 break;
6420 case AUTH_SHAREDKEY:
6421 dwrq->flags = IW_ENCODE_RESTRICTED;
6422 break;
6423 default:
6424 case AUTH_OPEN:
6425 dwrq->flags = IW_ENCODE_DISABLED;
6426 break;
6427 }
6428 /* We can't return the key, so set the proper flag and return zero */
6429 dwrq->flags |= IW_ENCODE_NOKEY;
6430 memset(extra, 0, 16);
6431
6432 /* Which key do we want ? -1 -> tx index */
6433 if (!valid_index(local, index)) {
6434 index = get_wep_tx_idx(local);
6435 if (index < 0)
6436 index = 0;
6437 }
6438 dwrq->flags |= index + 1;
6439
6440 /* Copy the key to the user buffer */
6441 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
6442 if (wep_key_len < 0) {
6443 dwrq->length = 0;
6444 } else {
6445 dwrq->length = wep_key_len;
6446 memcpy(extra, buf, dwrq->length);
6447 }
6448
6449 return 0;
6450}
6451
6452/*------------------------------------------------------------------*/
6453/*
6454 * Wireless Handler : set extended Encryption parameters
6455 */
6456static int airo_set_encodeext(struct net_device *dev,
6457 struct iw_request_info *info,
6458 union iwreq_data *wrqu,
6459 char *extra)
6460{
6461 struct airo_info *local = dev->ml_priv;
6462 struct iw_point *encoding = &wrqu->encoding;
6463 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6464 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6465 __le16 currentAuthType = local->config.authType;
6466 int idx, key_len, alg = ext->alg, set_key = 1, rc;
6467 wep_key_t key;
6468
6469 if (!local->wep_capable)
6470 return -EOPNOTSUPP;
6471
6472 readConfigRid(local, 1);
6473
6474 /* Determine and validate the key index */
6475 idx = encoding->flags & IW_ENCODE_INDEX;
6476 if (idx) {
6477 if (!valid_index(local, idx - 1))
6478 return -EINVAL;
6479 idx--;
6480 } else {
6481 idx = get_wep_tx_idx(local);
6482 if (idx < 0)
6483 idx = 0;
6484 }
6485
6486 if (encoding->flags & IW_ENCODE_DISABLED)
6487 alg = IW_ENCODE_ALG_NONE;
6488
6489 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6490 /* Only set transmit key index here, actual
6491 * key is set below if needed.
6492 */
6493 rc = set_wep_tx_idx(local, idx, perm, 1);
6494 if (rc < 0) {
6495 airo_print_err(local->dev->name, "failed to set "
6496 "WEP transmit index to %d: %d.",
6497 idx, rc);
6498 return rc;
6499 }
6500 set_key = ext->key_len > 0 ? 1 : 0;
6501 }
6502
6503 if (set_key) {
6504 /* Set the requested key first */
6505 memset(key.key, 0, MAX_KEY_SIZE);
6506 switch (alg) {
6507 case IW_ENCODE_ALG_NONE:
6508 key.len = 0;
6509 break;
6510 case IW_ENCODE_ALG_WEP:
6511 if (ext->key_len > MIN_KEY_SIZE) {
6512 key.len = MAX_KEY_SIZE;
6513 } else if (ext->key_len > 0) {
6514 key.len = MIN_KEY_SIZE;
6515 } else {
6516 return -EINVAL;
6517 }
6518 key_len = min (ext->key_len, key.len);
6519 memcpy(key.key, ext->key, key_len);
6520 break;
6521 default:
6522 return -EINVAL;
6523 }
6524 if (key.len == 0) {
6525 rc = set_wep_tx_idx(local, idx, perm, 1);
6526 if (rc < 0) {
6527 airo_print_err(local->dev->name,
6528 "failed to set WEP transmit index to %d: %d.",
6529 idx, rc);
6530 return rc;
6531 }
6532 } else {
6533 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6534 if (rc < 0) {
6535 airo_print_err(local->dev->name,
6536 "failed to set WEP key at index %d: %d.",
6537 idx, rc);
6538 return rc;
6539 }
6540 }
6541 }
6542
6543 /* Read the flags */
6544 if (encoding->flags & IW_ENCODE_DISABLED)
6545 set_auth_type(local, AUTH_OPEN); /* disable encryption */
6546 if(encoding->flags & IW_ENCODE_RESTRICTED)
6547 set_auth_type(local, AUTH_SHAREDKEY); /* Only Both */
6548 if (encoding->flags & IW_ENCODE_OPEN)
6549 set_auth_type(local, AUTH_ENCRYPT);
6550 /* Commit the changes to flags if needed */
6551 if (local->config.authType != currentAuthType)
6552 set_bit (FLAG_COMMIT, &local->flags);
6553
6554 return -EINPROGRESS;
6555}
6556
6557
6558/*------------------------------------------------------------------*/
6559/*
6560 * Wireless Handler : get extended Encryption parameters
6561 */
6562static int airo_get_encodeext(struct net_device *dev,
6563 struct iw_request_info *info,
6564 union iwreq_data *wrqu,
6565 char *extra)
6566{
6567 struct airo_info *local = dev->ml_priv;
6568 struct iw_point *encoding = &wrqu->encoding;
6569 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6570 int idx, max_key_len, wep_key_len;
6571 u8 buf[16];
6572
6573 if (!local->wep_capable)
6574 return -EOPNOTSUPP;
6575
6576 readConfigRid(local, 1);
6577
6578 max_key_len = encoding->length - sizeof(*ext);
6579 if (max_key_len < 0)
6580 return -EINVAL;
6581
6582 idx = encoding->flags & IW_ENCODE_INDEX;
6583 if (idx) {
6584 if (!valid_index(local, idx - 1))
6585 return -EINVAL;
6586 idx--;
6587 } else {
6588 idx = get_wep_tx_idx(local);
6589 if (idx < 0)
6590 idx = 0;
6591 }
6592
6593 encoding->flags = idx + 1;
6594 memset(ext, 0, sizeof(*ext));
6595
6596 /* Check encryption mode */
6597 switch(local->config.authType) {
6598 case AUTH_ENCRYPT:
6599 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6600 break;
6601 case AUTH_SHAREDKEY:
6602 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6603 break;
6604 default:
6605 case AUTH_OPEN:
6606 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6607 break;
6608 }
6609 /* We can't return the key, so set the proper flag and return zero */
6610 encoding->flags |= IW_ENCODE_NOKEY;
6611 memset(extra, 0, 16);
6612
6613 /* Copy the key to the user buffer */
6614 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6615 if (wep_key_len < 0) {
6616 ext->key_len = 0;
6617 } else {
6618 ext->key_len = wep_key_len;
6619 memcpy(extra, buf, ext->key_len);
6620 }
6621
6622 return 0;
6623}
6624
6625
6626/*------------------------------------------------------------------*/
6627/*
6628 * Wireless Handler : set extended authentication parameters
6629 */
6630static int airo_set_auth(struct net_device *dev,
6631 struct iw_request_info *info,
6632 union iwreq_data *wrqu, char *extra)
6633{
6634 struct airo_info *local = dev->ml_priv;
6635 struct iw_param *param = &wrqu->param;
6636 __le16 currentAuthType = local->config.authType;
6637
6638 switch (param->flags & IW_AUTH_INDEX) {
6639 case IW_AUTH_WPA_VERSION:
6640 case IW_AUTH_CIPHER_PAIRWISE:
6641 case IW_AUTH_CIPHER_GROUP:
6642 case IW_AUTH_KEY_MGMT:
6643 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6644 case IW_AUTH_PRIVACY_INVOKED:
6645 /*
6646 * airo does not use these parameters
6647 */
6648 break;
6649
6650 case IW_AUTH_DROP_UNENCRYPTED:
6651 if (param->value) {
6652 /* Only change auth type if unencrypted */
6653 if (currentAuthType == AUTH_OPEN)
6654 set_auth_type(local, AUTH_ENCRYPT);
6655 } else {
6656 set_auth_type(local, AUTH_OPEN);
6657 }
6658
6659 /* Commit the changes to flags if needed */
6660 if (local->config.authType != currentAuthType)
6661 set_bit (FLAG_COMMIT, &local->flags);
6662 break;
6663
6664 case IW_AUTH_80211_AUTH_ALG: {
6665 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6666 set_auth_type(local, AUTH_SHAREDKEY);
6667 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6668 /* We don't know here if WEP open system or
6669 * unencrypted mode was requested - so use the
6670 * last mode (of these two) used last time
6671 */
6672 set_auth_type(local, local->last_auth);
6673 } else
6674 return -EINVAL;
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
6682 case IW_AUTH_WPA_ENABLED:
6683 /* Silently accept disable of WPA */
6684 if (param->value > 0)
6685 return -EOPNOTSUPP;
6686 break;
6687
6688 default:
6689 return -EOPNOTSUPP;
6690 }
6691 return -EINPROGRESS;
6692}
6693
6694
6695/*------------------------------------------------------------------*/
6696/*
6697 * Wireless Handler : get extended authentication parameters
6698 */
6699static int airo_get_auth(struct net_device *dev,
6700 struct iw_request_info *info,
6701 union iwreq_data *wrqu, char *extra)
6702{
6703 struct airo_info *local = dev->ml_priv;
6704 struct iw_param *param = &wrqu->param;
6705 __le16 currentAuthType = local->config.authType;
6706
6707 switch (param->flags & IW_AUTH_INDEX) {
6708 case IW_AUTH_DROP_UNENCRYPTED:
6709 switch (currentAuthType) {
6710 case AUTH_SHAREDKEY:
6711 case AUTH_ENCRYPT:
6712 param->value = 1;
6713 break;
6714 default:
6715 param->value = 0;
6716 break;
6717 }
6718 break;
6719
6720 case IW_AUTH_80211_AUTH_ALG:
6721 switch (currentAuthType) {
6722 case AUTH_SHAREDKEY:
6723 param->value = IW_AUTH_ALG_SHARED_KEY;
6724 break;
6725 case AUTH_ENCRYPT:
6726 default:
6727 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6728 break;
6729 }
6730 break;
6731
6732 case IW_AUTH_WPA_ENABLED:
6733 param->value = 0;
6734 break;
6735
6736 default:
6737 return -EOPNOTSUPP;
6738 }
6739 return 0;
6740}
6741
6742
6743/*------------------------------------------------------------------*/
6744/*
6745 * Wireless Handler : set Tx-Power
6746 */
6747static int airo_set_txpow(struct net_device *dev,
6748 struct iw_request_info *info,
6749 struct iw_param *vwrq,
6750 char *extra)
6751{
6752 struct airo_info *local = dev->ml_priv;
6753 CapabilityRid cap_rid; /* Card capability info */
6754 int i;
6755 int rc = -EINVAL;
6756 __le16 v = cpu_to_le16(vwrq->value);
6757
6758 readCapabilityRid(local, &cap_rid, 1);
6759
6760 if (vwrq->disabled) {
6761 set_bit (FLAG_RADIO_OFF, &local->flags);
6762 set_bit (FLAG_COMMIT, &local->flags);
6763 return -EINPROGRESS; /* Call commit handler */
6764 }
6765 if (vwrq->flags != IW_TXPOW_MWATT) {
6766 return -EINVAL;
6767 }
6768 clear_bit (FLAG_RADIO_OFF, &local->flags);
6769 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++)
6770 if (v == cap_rid.txPowerLevels[i]) {
6771 readConfigRid(local, 1);
6772 local->config.txPower = v;
6773 set_bit (FLAG_COMMIT, &local->flags);
6774 rc = -EINPROGRESS; /* Call commit handler */
6775 break;
6776 }
6777 return rc;
6778}
6779
6780/*------------------------------------------------------------------*/
6781/*
6782 * Wireless Handler : get Tx-Power
6783 */
6784static int airo_get_txpow(struct net_device *dev,
6785 struct iw_request_info *info,
6786 struct iw_param *vwrq,
6787 char *extra)
6788{
6789 struct airo_info *local = dev->ml_priv;
6790
6791 readConfigRid(local, 1);
6792 vwrq->value = le16_to_cpu(local->config.txPower);
6793 vwrq->fixed = 1; /* No power control */
6794 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6795 vwrq->flags = IW_TXPOW_MWATT;
6796
6797 return 0;
6798}
6799
6800/*------------------------------------------------------------------*/
6801/*
6802 * Wireless Handler : set Retry limits
6803 */
6804static int airo_set_retry(struct net_device *dev,
6805 struct iw_request_info *info,
6806 struct iw_param *vwrq,
6807 char *extra)
6808{
6809 struct airo_info *local = dev->ml_priv;
6810 int rc = -EINVAL;
6811
6812 if(vwrq->disabled) {
6813 return -EINVAL;
6814 }
6815 readConfigRid(local, 1);
6816 if(vwrq->flags & IW_RETRY_LIMIT) {
6817 __le16 v = cpu_to_le16(vwrq->value);
6818 if(vwrq->flags & IW_RETRY_LONG)
6819 local->config.longRetryLimit = v;
6820 else if (vwrq->flags & IW_RETRY_SHORT)
6821 local->config.shortRetryLimit = v;
6822 else {
6823 /* No modifier : set both */
6824 local->config.longRetryLimit = v;
6825 local->config.shortRetryLimit = v;
6826 }
6827 set_bit (FLAG_COMMIT, &local->flags);
6828 rc = -EINPROGRESS; /* Call commit handler */
6829 }
6830 if(vwrq->flags & IW_RETRY_LIFETIME) {
6831 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6832 set_bit (FLAG_COMMIT, &local->flags);
6833 rc = -EINPROGRESS; /* Call commit handler */
6834 }
6835 return rc;
6836}
6837
6838/*------------------------------------------------------------------*/
6839/*
6840 * Wireless Handler : get Retry limits
6841 */
6842static int airo_get_retry(struct net_device *dev,
6843 struct iw_request_info *info,
6844 struct iw_param *vwrq,
6845 char *extra)
6846{
6847 struct airo_info *local = dev->ml_priv;
6848
6849 vwrq->disabled = 0; /* Can't be disabled */
6850
6851 readConfigRid(local, 1);
6852 /* Note : by default, display the min retry number */
6853 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6854 vwrq->flags = IW_RETRY_LIFETIME;
6855 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6856 } else if((vwrq->flags & IW_RETRY_LONG)) {
6857 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6858 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6859 } else {
6860 vwrq->flags = IW_RETRY_LIMIT;
6861 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6862 if(local->config.shortRetryLimit != local->config.longRetryLimit)
6863 vwrq->flags |= IW_RETRY_SHORT;
6864 }
6865
6866 return 0;
6867}
6868
6869/*------------------------------------------------------------------*/
6870/*
6871 * Wireless Handler : get range info
6872 */
6873static int airo_get_range(struct net_device *dev,
6874 struct iw_request_info *info,
6875 struct iw_point *dwrq,
6876 char *extra)
6877{
6878 struct airo_info *local = dev->ml_priv;
6879 struct iw_range *range = (struct iw_range *) extra;
6880 CapabilityRid cap_rid; /* Card capability info */
6881 int i;
6882 int k;
6883
6884 readCapabilityRid(local, &cap_rid, 1);
6885
6886 dwrq->length = sizeof(struct iw_range);
6887 memset(range, 0, sizeof(*range));
6888 range->min_nwid = 0x0000;
6889 range->max_nwid = 0x0000;
6890 range->num_channels = 14;
6891 /* Should be based on cap_rid.country to give only
6892 * what the current card support */
6893 k = 0;
6894 for(i = 0; i < 14; i++) {
6895 range->freq[k].i = i + 1; /* List index */
6896 range->freq[k].m = 100000 *
6897 ieee80211_channel_to_frequency(i + 1, IEEE80211_BAND_2GHZ);
6898 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
6899 }
6900 range->num_frequency = k;
6901
6902 range->sensitivity = 65535;
6903
6904 /* Hum... Should put the right values there */
6905 if (local->rssi)
6906 range->max_qual.qual = 100; /* % */
6907 else
6908 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6909 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6910 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6911
6912 /* Experimental measurements - boundary 11/5.5 Mb/s */
6913 /* Note : with or without the (local->rssi), results
6914 * are somewhat different. - Jean II */
6915 if (local->rssi) {
6916 range->avg_qual.qual = 50; /* % */
6917 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6918 } else {
6919 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6920 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6921 }
6922 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6923
6924 for(i = 0 ; i < 8 ; i++) {
6925 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6926 if(range->bitrate[i] == 0)
6927 break;
6928 }
6929 range->num_bitrates = i;
6930
6931 /* Set an indication of the max TCP throughput
6932 * in bit/s that we can expect using this interface.
6933 * May be use for QoS stuff... Jean II */
6934 if(i > 2)
6935 range->throughput = 5000 * 1000;
6936 else
6937 range->throughput = 1500 * 1000;
6938
6939 range->min_rts = 0;
6940 range->max_rts = AIRO_DEF_MTU;
6941 range->min_frag = 256;
6942 range->max_frag = AIRO_DEF_MTU;
6943
6944 if(cap_rid.softCap & cpu_to_le16(2)) {
6945 // WEP: RC4 40 bits
6946 range->encoding_size[0] = 5;
6947 // RC4 ~128 bits
6948 if (cap_rid.softCap & cpu_to_le16(0x100)) {
6949 range->encoding_size[1] = 13;
6950 range->num_encoding_sizes = 2;
6951 } else
6952 range->num_encoding_sizes = 1;
6953 range->max_encoding_tokens =
6954 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
6955 } else {
6956 range->num_encoding_sizes = 0;
6957 range->max_encoding_tokens = 0;
6958 }
6959 range->min_pmp = 0;
6960 range->max_pmp = 5000000; /* 5 secs */
6961 range->min_pmt = 0;
6962 range->max_pmt = 65535 * 1024; /* ??? */
6963 range->pmp_flags = IW_POWER_PERIOD;
6964 range->pmt_flags = IW_POWER_TIMEOUT;
6965 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6966
6967 /* Transmit Power - values are in mW */
6968 for(i = 0 ; i < 8 ; i++) {
6969 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
6970 if(range->txpower[i] == 0)
6971 break;
6972 }
6973 range->num_txpower = i;
6974 range->txpower_capa = IW_TXPOW_MWATT;
6975 range->we_version_source = 19;
6976 range->we_version_compiled = WIRELESS_EXT;
6977 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6978 range->retry_flags = IW_RETRY_LIMIT;
6979 range->r_time_flags = IW_RETRY_LIFETIME;
6980 range->min_retry = 1;
6981 range->max_retry = 65535;
6982 range->min_r_time = 1024;
6983 range->max_r_time = 65535 * 1024;
6984
6985 /* Event capability (kernel + driver) */
6986 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6987 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6988 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6989 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6990 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6991 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6992 return 0;
6993}
6994
6995/*------------------------------------------------------------------*/
6996/*
6997 * Wireless Handler : set Power Management
6998 */
6999static int airo_set_power(struct net_device *dev,
7000 struct iw_request_info *info,
7001 struct iw_param *vwrq,
7002 char *extra)
7003{
7004 struct airo_info *local = dev->ml_priv;
7005
7006 readConfigRid(local, 1);
7007 if (vwrq->disabled) {
7008 if (sniffing_mode(local))
7009 return -EINVAL;
7010 local->config.powerSaveMode = POWERSAVE_CAM;
7011 local->config.rmode &= ~RXMODE_MASK;
7012 local->config.rmode |= RXMODE_BC_MC_ADDR;
7013 set_bit (FLAG_COMMIT, &local->flags);
7014 return -EINPROGRESS; /* Call commit handler */
7015 }
7016 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7017 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
7018 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7019 set_bit (FLAG_COMMIT, &local->flags);
7020 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7021 local->config.fastListenInterval =
7022 local->config.listenInterval =
7023 cpu_to_le16((vwrq->value + 500) / 1024);
7024 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7025 set_bit (FLAG_COMMIT, &local->flags);
7026 }
7027 switch (vwrq->flags & IW_POWER_MODE) {
7028 case IW_POWER_UNICAST_R:
7029 if (sniffing_mode(local))
7030 return -EINVAL;
7031 local->config.rmode &= ~RXMODE_MASK;
7032 local->config.rmode |= RXMODE_ADDR;
7033 set_bit (FLAG_COMMIT, &local->flags);
7034 break;
7035 case IW_POWER_ALL_R:
7036 if (sniffing_mode(local))
7037 return -EINVAL;
7038 local->config.rmode &= ~RXMODE_MASK;
7039 local->config.rmode |= RXMODE_BC_MC_ADDR;
7040 set_bit (FLAG_COMMIT, &local->flags);
7041 case IW_POWER_ON:
7042 /* This is broken, fixme ;-) */
7043 break;
7044 default:
7045 return -EINVAL;
7046 }
7047 // Note : we may want to factor local->need_commit here
7048 // Note2 : may also want to factor RXMODE_RFMON test
7049 return -EINPROGRESS; /* Call commit handler */
7050}
7051
7052/*------------------------------------------------------------------*/
7053/*
7054 * Wireless Handler : get Power Management
7055 */
7056static int airo_get_power(struct net_device *dev,
7057 struct iw_request_info *info,
7058 struct iw_param *vwrq,
7059 char *extra)
7060{
7061 struct airo_info *local = dev->ml_priv;
7062 __le16 mode;
7063
7064 readConfigRid(local, 1);
7065 mode = local->config.powerSaveMode;
7066 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7067 return 0;
7068 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7069 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
7070 vwrq->flags = IW_POWER_TIMEOUT;
7071 } else {
7072 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
7073 vwrq->flags = IW_POWER_PERIOD;
7074 }
7075 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
7076 vwrq->flags |= IW_POWER_UNICAST_R;
7077 else
7078 vwrq->flags |= IW_POWER_ALL_R;
7079
7080 return 0;
7081}
7082
7083/*------------------------------------------------------------------*/
7084/*
7085 * Wireless Handler : set Sensitivity
7086 */
7087static int airo_set_sens(struct net_device *dev,
7088 struct iw_request_info *info,
7089 struct iw_param *vwrq,
7090 char *extra)
7091{
7092 struct airo_info *local = dev->ml_priv;
7093
7094 readConfigRid(local, 1);
7095 local->config.rssiThreshold =
7096 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
7097 set_bit (FLAG_COMMIT, &local->flags);
7098
7099 return -EINPROGRESS; /* Call commit handler */
7100}
7101
7102/*------------------------------------------------------------------*/
7103/*
7104 * Wireless Handler : get Sensitivity
7105 */
7106static int airo_get_sens(struct net_device *dev,
7107 struct iw_request_info *info,
7108 struct iw_param *vwrq,
7109 char *extra)
7110{
7111 struct airo_info *local = dev->ml_priv;
7112
7113 readConfigRid(local, 1);
7114 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7115 vwrq->disabled = (vwrq->value == 0);
7116 vwrq->fixed = 1;
7117
7118 return 0;
7119}
7120
7121/*------------------------------------------------------------------*/
7122/*
7123 * Wireless Handler : get AP List
7124 * Note : this is deprecated in favor of IWSCAN
7125 */
7126static int airo_get_aplist(struct net_device *dev,
7127 struct iw_request_info *info,
7128 struct iw_point *dwrq,
7129 char *extra)
7130{
7131 struct airo_info *local = dev->ml_priv;
7132 struct sockaddr *address = (struct sockaddr *) extra;
7133 struct iw_quality *qual;
7134 BSSListRid BSSList;
7135 int i;
7136 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7137
7138 qual = kmalloc(IW_MAX_AP * sizeof(*qual), GFP_KERNEL);
7139 if (!qual)
7140 return -ENOMEM;
7141
7142 for (i = 0; i < IW_MAX_AP; i++) {
7143 u16 dBm;
7144 if (readBSSListRid(local, loseSync, &BSSList))
7145 break;
7146 loseSync = 0;
7147 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7148 address[i].sa_family = ARPHRD_ETHER;
7149 dBm = le16_to_cpu(BSSList.dBm);
7150 if (local->rssi) {
7151 qual[i].level = 0x100 - dBm;
7152 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7153 qual[i].updated = IW_QUAL_QUAL_UPDATED
7154 | IW_QUAL_LEVEL_UPDATED
7155 | IW_QUAL_DBM;
7156 } else {
7157 qual[i].level = (dBm + 321) / 2;
7158 qual[i].qual = 0;
7159 qual[i].updated = IW_QUAL_QUAL_INVALID
7160 | IW_QUAL_LEVEL_UPDATED
7161 | IW_QUAL_DBM;
7162 }
7163 qual[i].noise = local->wstats.qual.noise;
7164 if (BSSList.index == cpu_to_le16(0xffff))
7165 break;
7166 }
7167 if (!i) {
7168 StatusRid status_rid; /* Card status info */
7169 readStatusRid(local, &status_rid, 1);
7170 for (i = 0;
7171 i < min(IW_MAX_AP, 4) &&
7172 (status_rid.bssid[i][0]
7173 & status_rid.bssid[i][1]
7174 & status_rid.bssid[i][2]
7175 & status_rid.bssid[i][3]
7176 & status_rid.bssid[i][4]
7177 & status_rid.bssid[i][5])!=0xff &&
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]);
7184 i++) {
7185 memcpy(address[i].sa_data,
7186 status_rid.bssid[i], ETH_ALEN);
7187 address[i].sa_family = ARPHRD_ETHER;
7188 }
7189 } else {
7190 dwrq->flags = 1; /* Should be define'd */
7191 memcpy(extra + sizeof(struct sockaddr) * i, qual,
7192 sizeof(struct iw_quality) * i);
7193 }
7194 dwrq->length = i;
7195
7196 kfree(qual);
7197 return 0;
7198}
7199
7200/*------------------------------------------------------------------*/
7201/*
7202 * Wireless Handler : Initiate Scan
7203 */
7204static int airo_set_scan(struct net_device *dev,
7205 struct iw_request_info *info,
7206 struct iw_point *dwrq,
7207 char *extra)
7208{
7209 struct airo_info *ai = dev->ml_priv;
7210 Cmd cmd;
7211 Resp rsp;
7212 int wake = 0;
7213 APListRid APList_rid_empty;
7214
7215 /* Note : you may have realised that, as this is a SET operation,
7216 * this is privileged and therefore a normal user can't
7217 * perform scanning.
7218 * This is not an error, while the device perform scanning,
7219 * traffic doesn't flow, so it's a perfect DoS...
7220 * Jean II */
7221 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7222
7223 if (down_interruptible(&ai->sem))
7224 return -ERESTARTSYS;
7225
7226 /* If there's already a scan in progress, don't
7227 * trigger another one. */
7228 if (ai->scan_timeout > 0)
7229 goto out;
7230
7231 /* Clear APList as it affects scan results */
7232 memset(&APList_rid_empty, 0, sizeof(APList_rid_empty));
7233 APList_rid_empty.len = cpu_to_le16(sizeof(APList_rid_empty));
7234 disable_MAC(ai, 2);
7235 writeAPListRid(ai, &APList_rid_empty, 0);
7236 enable_MAC(ai, 0);
7237
7238 /* Initiate a scan command */
7239 ai->scan_timeout = RUN_AT(3*HZ);
7240 memset(&cmd, 0, sizeof(cmd));
7241 cmd.cmd=CMD_LISTBSS;
7242 issuecommand(ai, &cmd, &rsp);
7243 wake = 1;
7244
7245out:
7246 up(&ai->sem);
7247 if (wake)
7248 wake_up_interruptible(&ai->thr_wait);
7249 return 0;
7250}
7251
7252/*------------------------------------------------------------------*/
7253/*
7254 * Translate scan data returned from the card to a card independent
7255 * format that the Wireless Tools will understand - Jean II
7256 */
7257static inline char *airo_translate_scan(struct net_device *dev,
7258 struct iw_request_info *info,
7259 char *current_ev,
7260 char *end_buf,
7261 BSSListRid *bss)
7262{
7263 struct airo_info *ai = dev->ml_priv;
7264 struct iw_event iwe; /* Temporary buffer */
7265 __le16 capabilities;
7266 char * current_val; /* For rates */
7267 int i;
7268 char * buf;
7269 u16 dBm;
7270
7271 /* First entry *MUST* be the AP MAC address */
7272 iwe.cmd = SIOCGIWAP;
7273 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7274 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7275 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7276 &iwe, IW_EV_ADDR_LEN);
7277
7278 /* Other entries will be displayed in the order we give them */
7279
7280 /* Add the ESSID */
7281 iwe.u.data.length = bss->ssidLen;
7282 if(iwe.u.data.length > 32)
7283 iwe.u.data.length = 32;
7284 iwe.cmd = SIOCGIWESSID;
7285 iwe.u.data.flags = 1;
7286 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7287 &iwe, bss->ssid);
7288
7289 /* Add mode */
7290 iwe.cmd = SIOCGIWMODE;
7291 capabilities = bss->cap;
7292 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7293 if(capabilities & CAP_ESS)
7294 iwe.u.mode = IW_MODE_MASTER;
7295 else
7296 iwe.u.mode = IW_MODE_ADHOC;
7297 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7298 &iwe, IW_EV_UINT_LEN);
7299 }
7300
7301 /* Add frequency */
7302 iwe.cmd = SIOCGIWFREQ;
7303 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7304 iwe.u.freq.m = 100000 *
7305 ieee80211_channel_to_frequency(iwe.u.freq.m, IEEE80211_BAND_2GHZ);
7306 iwe.u.freq.e = 1;
7307 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7308 &iwe, IW_EV_FREQ_LEN);
7309
7310 dBm = le16_to_cpu(bss->dBm);
7311
7312 /* Add quality statistics */
7313 iwe.cmd = IWEVQUAL;
7314 if (ai->rssi) {
7315 iwe.u.qual.level = 0x100 - dBm;
7316 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7317 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7318 | IW_QUAL_LEVEL_UPDATED
7319 | IW_QUAL_DBM;
7320 } else {
7321 iwe.u.qual.level = (dBm + 321) / 2;
7322 iwe.u.qual.qual = 0;
7323 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7324 | IW_QUAL_LEVEL_UPDATED
7325 | IW_QUAL_DBM;
7326 }
7327 iwe.u.qual.noise = ai->wstats.qual.noise;
7328 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7329 &iwe, IW_EV_QUAL_LEN);
7330
7331 /* Add encryption capability */
7332 iwe.cmd = SIOCGIWENCODE;
7333 if(capabilities & CAP_PRIVACY)
7334 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7335 else
7336 iwe.u.data.flags = IW_ENCODE_DISABLED;
7337 iwe.u.data.length = 0;
7338 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7339 &iwe, bss->ssid);
7340
7341 /* Rate : stuffing multiple values in a single event require a bit
7342 * more of magic - Jean II */
7343 current_val = current_ev + iwe_stream_lcp_len(info);
7344
7345 iwe.cmd = SIOCGIWRATE;
7346 /* Those two flags are ignored... */
7347 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7348 /* Max 8 values */
7349 for(i = 0 ; i < 8 ; i++) {
7350 /* NULL terminated */
7351 if(bss->rates[i] == 0)
7352 break;
7353 /* Bit rate given in 500 kb/s units (+ 0x80) */
7354 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7355 /* Add new value to event */
7356 current_val = iwe_stream_add_value(info, current_ev,
7357 current_val, end_buf,
7358 &iwe, IW_EV_PARAM_LEN);
7359 }
7360 /* Check if we added any event */
7361 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7362 current_ev = current_val;
7363
7364 /* Beacon interval */
7365 buf = kmalloc(30, GFP_KERNEL);
7366 if (buf) {
7367 iwe.cmd = IWEVCUSTOM;
7368 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7369 iwe.u.data.length = strlen(buf);
7370 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7371 &iwe, buf);
7372 kfree(buf);
7373 }
7374
7375 /* Put WPA/RSN Information Elements into the event stream */
7376 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7377 unsigned int num_null_ies = 0;
7378 u16 length = sizeof (bss->extra.iep);
7379 u8 *ie = (void *)&bss->extra.iep;
7380
7381 while ((length >= 2) && (num_null_ies < 2)) {
7382 if (2 + ie[1] > length) {
7383 /* Invalid element, don't continue parsing IE */
7384 break;
7385 }
7386
7387 switch (ie[0]) {
7388 case WLAN_EID_SSID:
7389 /* Two zero-length SSID elements
7390 * mean we're done parsing elements */
7391 if (!ie[1])
7392 num_null_ies++;
7393 break;
7394
7395 case WLAN_EID_VENDOR_SPECIFIC:
7396 if (ie[1] >= 4 &&
7397 ie[2] == 0x00 &&
7398 ie[3] == 0x50 &&
7399 ie[4] == 0xf2 &&
7400 ie[5] == 0x01) {
7401 iwe.cmd = IWEVGENIE;
7402 /* 64 is an arbitrary cut-off */
7403 iwe.u.data.length = min(ie[1] + 2,
7404 64);
7405 current_ev = iwe_stream_add_point(
7406 info, current_ev,
7407 end_buf, &iwe, ie);
7408 }
7409 break;
7410
7411 case WLAN_EID_RSN:
7412 iwe.cmd = IWEVGENIE;
7413 /* 64 is an arbitrary cut-off */
7414 iwe.u.data.length = min(ie[1] + 2, 64);
7415 current_ev = iwe_stream_add_point(
7416 info, current_ev, end_buf,
7417 &iwe, ie);
7418 break;
7419
7420 default:
7421 break;
7422 }
7423
7424 length -= 2 + ie[1];
7425 ie += 2 + ie[1];
7426 }
7427 }
7428 return current_ev;
7429}
7430
7431/*------------------------------------------------------------------*/
7432/*
7433 * Wireless Handler : Read Scan Results
7434 */
7435static int airo_get_scan(struct net_device *dev,
7436 struct iw_request_info *info,
7437 struct iw_point *dwrq,
7438 char *extra)
7439{
7440 struct airo_info *ai = dev->ml_priv;
7441 BSSListElement *net;
7442 int err = 0;
7443 char *current_ev = extra;
7444
7445 /* If a scan is in-progress, return -EAGAIN */
7446 if (ai->scan_timeout > 0)
7447 return -EAGAIN;
7448
7449 if (down_interruptible(&ai->sem))
7450 return -EAGAIN;
7451
7452 list_for_each_entry (net, &ai->network_list, list) {
7453 /* Translate to WE format this entry */
7454 current_ev = airo_translate_scan(dev, info, current_ev,
7455 extra + dwrq->length,
7456 &net->bss);
7457
7458 /* Check if there is space for one more entry */
7459 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7460 /* Ask user space to try again with a bigger buffer */
7461 err = -E2BIG;
7462 goto out;
7463 }
7464 }
7465
7466 /* Length of data */
7467 dwrq->length = (current_ev - extra);
7468 dwrq->flags = 0; /* todo */
7469
7470out:
7471 up(&ai->sem);
7472 return err;
7473}
7474
7475/*------------------------------------------------------------------*/
7476/*
7477 * Commit handler : called after a bunch of SET operations
7478 */
7479static int airo_config_commit(struct net_device *dev,
7480 struct iw_request_info *info, /* NULL */
7481 void *zwrq, /* NULL */
7482 char *extra) /* NULL */
7483{
7484 struct airo_info *local = dev->ml_priv;
7485
7486 if (!test_bit (FLAG_COMMIT, &local->flags))
7487 return 0;
7488
7489 /* Some of the "SET" function may have modified some of the
7490 * parameters. It's now time to commit them in the card */
7491 disable_MAC(local, 1);
7492 if (test_bit (FLAG_RESET, &local->flags)) {
7493 SsidRid SSID_rid;
7494
7495 readSsidRid(local, &SSID_rid);
7496 if (test_bit(FLAG_MPI,&local->flags))
7497 setup_card(local, dev->dev_addr, 1 );
7498 else
7499 reset_airo_card(dev);
7500 disable_MAC(local, 1);
7501 writeSsidRid(local, &SSID_rid, 1);
7502 writeAPListRid(local, &local->APList, 1);
7503 }
7504 if (down_interruptible(&local->sem))
7505 return -ERESTARTSYS;
7506 writeConfigRid(local, 0);
7507 enable_MAC(local, 0);
7508 if (test_bit (FLAG_RESET, &local->flags))
7509 airo_set_promisc(local);
7510 else
7511 up(&local->sem);
7512
7513 return 0;
7514}
7515
7516/*------------------------------------------------------------------*/
7517/*
7518 * Structures to export the Wireless Handlers
7519 */
7520
7521static const struct iw_priv_args airo_private_args[] = {
7522/*{ cmd, set_args, get_args, name } */
7523 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7524 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7525 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7526 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7527};
7528
7529static const iw_handler airo_handler[] =
7530{
7531 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7532 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7533 (iw_handler) NULL, /* SIOCSIWNWID */
7534 (iw_handler) NULL, /* SIOCGIWNWID */
7535 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7536 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7537 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7538 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7539 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7540 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7541 (iw_handler) NULL, /* SIOCSIWRANGE */
7542 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7543 (iw_handler) NULL, /* SIOCSIWPRIV */
7544 (iw_handler) NULL, /* SIOCGIWPRIV */
7545 (iw_handler) NULL, /* SIOCSIWSTATS */
7546 (iw_handler) NULL, /* SIOCGIWSTATS */
7547 iw_handler_set_spy, /* SIOCSIWSPY */
7548 iw_handler_get_spy, /* SIOCGIWSPY */
7549 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7550 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7551 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7552 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7553 (iw_handler) NULL, /* -- hole -- */
7554 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7555 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7556 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7557 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7558 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7559 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7560 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7561 (iw_handler) NULL, /* -- hole -- */
7562 (iw_handler) NULL, /* -- hole -- */
7563 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7564 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7565 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7566 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7567 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7568 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7569 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7570 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7571 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7572 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7573 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7574 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7575 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7576 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7577 (iw_handler) NULL, /* -- hole -- */
7578 (iw_handler) NULL, /* -- hole -- */
7579 (iw_handler) NULL, /* SIOCSIWGENIE */
7580 (iw_handler) NULL, /* SIOCGIWGENIE */
7581 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7582 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7583 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7584 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7585 (iw_handler) NULL, /* SIOCSIWPMKSA */
7586};
7587
7588/* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7589 * We want to force the use of the ioctl code, because those can't be
7590 * won't work the iw_handler code (because they simultaneously read
7591 * and write data and iw_handler can't do that).
7592 * Note that it's perfectly legal to read/write on a single ioctl command,
7593 * you just can't use iwpriv and need to force it via the ioctl handler.
7594 * Jean II */
7595static const iw_handler airo_private_handler[] =
7596{
7597 NULL, /* SIOCIWFIRSTPRIV */
7598};
7599
7600static const struct iw_handler_def airo_handler_def =
7601{
7602 .num_standard = ARRAY_SIZE(airo_handler),
7603 .num_private = ARRAY_SIZE(airo_private_handler),
7604 .num_private_args = ARRAY_SIZE(airo_private_args),
7605 .standard = airo_handler,
7606 .private = airo_private_handler,
7607 .private_args = airo_private_args,
7608 .get_wireless_stats = airo_get_wireless_stats,
7609};
7610
7611/*
7612 * This defines the configuration part of the Wireless Extensions
7613 * Note : irq and spinlock protection will occur in the subroutines
7614 *
7615 * TODO :
7616 * o Check input value more carefully and fill correct values in range
7617 * o Test and shakeout the bugs (if any)
7618 *
7619 * Jean II
7620 *
7621 * Javier Achirica did a great job of merging code from the unnamed CISCO
7622 * developer that added support for flashing the card.
7623 */
7624static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7625{
7626 int rc = 0;
7627 struct airo_info *ai = dev->ml_priv;
7628
7629 if (ai->power.event)
7630 return 0;
7631
7632 switch (cmd) {
7633#ifdef CISCO_EXT
7634 case AIROIDIFC:
7635#ifdef AIROOLDIDIFC
7636 case AIROOLDIDIFC:
7637#endif
7638 {
7639 int val = AIROMAGIC;
7640 aironet_ioctl com;
7641 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7642 rc = -EFAULT;
7643 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7644 rc = -EFAULT;
7645 }
7646 break;
7647
7648 case AIROIOCTL:
7649#ifdef AIROOLDIOCTL
7650 case AIROOLDIOCTL:
7651#endif
7652 /* Get the command struct and hand it off for evaluation by
7653 * the proper subfunction
7654 */
7655 {
7656 aironet_ioctl com;
7657 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7658 rc = -EFAULT;
7659 break;
7660 }
7661
7662 /* Separate R/W functions bracket legality here
7663 */
7664 if ( com.command == AIRORSWVERSION ) {
7665 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7666 rc = -EFAULT;
7667 else
7668 rc = 0;
7669 }
7670 else if ( com.command <= AIRORRID)
7671 rc = readrids(dev,&com);
7672 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7673 rc = writerids(dev,&com);
7674 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7675 rc = flashcard(dev,&com);
7676 else
7677 rc = -EINVAL; /* Bad command in ioctl */
7678 }
7679 break;
7680#endif /* CISCO_EXT */
7681
7682 // All other calls are currently unsupported
7683 default:
7684 rc = -EOPNOTSUPP;
7685 }
7686 return rc;
7687}
7688
7689/*
7690 * Get the Wireless stats out of the driver
7691 * Note : irq and spinlock protection will occur in the subroutines
7692 *
7693 * TODO :
7694 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7695 *
7696 * Jean
7697 */
7698static void airo_read_wireless_stats(struct airo_info *local)
7699{
7700 StatusRid status_rid;
7701 StatsRid stats_rid;
7702 CapabilityRid cap_rid;
7703 __le32 *vals = stats_rid.vals;
7704
7705 /* Get stats out of the card */
7706 clear_bit(JOB_WSTATS, &local->jobs);
7707 if (local->power.event) {
7708 up(&local->sem);
7709 return;
7710 }
7711 readCapabilityRid(local, &cap_rid, 0);
7712 readStatusRid(local, &status_rid, 0);
7713 readStatsRid(local, &stats_rid, RID_STATS, 0);
7714 up(&local->sem);
7715
7716 /* The status */
7717 local->wstats.status = le16_to_cpu(status_rid.mode);
7718
7719 /* Signal quality and co */
7720 if (local->rssi) {
7721 local->wstats.qual.level =
7722 airo_rssi_to_dbm(local->rssi,
7723 le16_to_cpu(status_rid.sigQuality));
7724 /* normalizedSignalStrength appears to be a percentage */
7725 local->wstats.qual.qual =
7726 le16_to_cpu(status_rid.normalizedSignalStrength);
7727 } else {
7728 local->wstats.qual.level =
7729 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7730 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7731 }
7732 if (le16_to_cpu(status_rid.len) >= 124) {
7733 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7734 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7735 } else {
7736 local->wstats.qual.noise = 0;
7737 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7738 }
7739
7740 /* Packets discarded in the wireless adapter due to wireless
7741 * specific problems */
7742 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7743 le32_to_cpu(vals[57]) +
7744 le32_to_cpu(vals[58]); /* SSID Mismatch */
7745 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7746 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7747 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7748 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7749 le32_to_cpu(vals[32]);
7750 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7751}
7752
7753static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7754{
7755 struct airo_info *local = dev->ml_priv;
7756
7757 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7758 /* Get stats out of the card if available */
7759 if (down_trylock(&local->sem) != 0) {
7760 set_bit(JOB_WSTATS, &local->jobs);
7761 wake_up_interruptible(&local->thr_wait);
7762 } else
7763 airo_read_wireless_stats(local);
7764 }
7765
7766 return &local->wstats;
7767}
7768
7769#ifdef CISCO_EXT
7770/*
7771 * This just translates from driver IOCTL codes to the command codes to
7772 * feed to the radio's host interface. Things can be added/deleted
7773 * as needed. This represents the READ side of control I/O to
7774 * the card
7775 */
7776static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7777 unsigned short ridcode;
7778 unsigned char *iobuf;
7779 int len;
7780 struct airo_info *ai = dev->ml_priv;
7781
7782 if (test_bit(FLAG_FLASHING, &ai->flags))
7783 return -EIO;
7784
7785 switch(comp->command)
7786 {
7787 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7788 case AIROGCFG: ridcode = RID_CONFIG;
7789 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7790 disable_MAC (ai, 1);
7791 writeConfigRid (ai, 1);
7792 enable_MAC(ai, 1);
7793 }
7794 break;
7795 case AIROGSLIST: ridcode = RID_SSID; break;
7796 case AIROGVLIST: ridcode = RID_APLIST; break;
7797 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7798 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7799 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7800 /* Only super-user can read WEP keys */
7801 if (!capable(CAP_NET_ADMIN))
7802 return -EPERM;
7803 break;
7804 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7805 /* Only super-user can read WEP keys */
7806 if (!capable(CAP_NET_ADMIN))
7807 return -EPERM;
7808 break;
7809 case AIROGSTAT: ridcode = RID_STATUS; break;
7810 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7811 case AIROGSTATSC32: ridcode = RID_STATS; break;
7812 case AIROGMICSTATS:
7813 if (copy_to_user(comp->data, &ai->micstats,
7814 min((int)comp->len,(int)sizeof(ai->micstats))))
7815 return -EFAULT;
7816 return 0;
7817 case AIRORRID: ridcode = comp->ridnum; break;
7818 default:
7819 return -EINVAL;
7820 }
7821
7822 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7823 return -ENOMEM;
7824
7825 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7826 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7827 * then return it to the user
7828 * 9/22/2000 Honor user given length
7829 */
7830 len = comp->len;
7831
7832 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7833 kfree (iobuf);
7834 return -EFAULT;
7835 }
7836 kfree (iobuf);
7837 return 0;
7838}
7839
7840/*
7841 * Danger Will Robinson write the rids here
7842 */
7843
7844static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7845 struct airo_info *ai = dev->ml_priv;
7846 int ridcode;
7847 int enabled;
7848 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7849 unsigned char *iobuf;
7850
7851 /* Only super-user can write RIDs */
7852 if (!capable(CAP_NET_ADMIN))
7853 return -EPERM;
7854
7855 if (test_bit(FLAG_FLASHING, &ai->flags))
7856 return -EIO;
7857
7858 ridcode = 0;
7859 writer = do_writerid;
7860
7861 switch(comp->command)
7862 {
7863 case AIROPSIDS: ridcode = RID_SSID; break;
7864 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7865 case AIROPAPLIST: ridcode = RID_APLIST; break;
7866 case AIROPCFG: ai->config.len = 0;
7867 clear_bit(FLAG_COMMIT, &ai->flags);
7868 ridcode = RID_CONFIG; break;
7869 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7870 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7871 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7872 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7873 break;
7874 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7875 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7876
7877 /* this is not really a rid but a command given to the card
7878 * same with MAC off
7879 */
7880 case AIROPMACON:
7881 if (enable_MAC(ai, 1) != 0)
7882 return -EIO;
7883 return 0;
7884
7885 /*
7886 * Evidently this code in the airo driver does not get a symbol
7887 * as disable_MAC. it's probably so short the compiler does not gen one.
7888 */
7889 case AIROPMACOFF:
7890 disable_MAC(ai, 1);
7891 return 0;
7892
7893 /* This command merely clears the counts does not actually store any data
7894 * only reads rid. But as it changes the cards state, I put it in the
7895 * writerid routines.
7896 */
7897 case AIROPSTCLR:
7898 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7899 return -ENOMEM;
7900
7901 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7902
7903 enabled = ai->micstats.enabled;
7904 memset(&ai->micstats,0,sizeof(ai->micstats));
7905 ai->micstats.enabled = enabled;
7906
7907 if (copy_to_user(comp->data, iobuf,
7908 min((int)comp->len, (int)RIDSIZE))) {
7909 kfree (iobuf);
7910 return -EFAULT;
7911 }
7912 kfree (iobuf);
7913 return 0;
7914
7915 default:
7916 return -EOPNOTSUPP; /* Blarg! */
7917 }
7918 if(comp->len > RIDSIZE)
7919 return -EINVAL;
7920
7921 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7922 return -ENOMEM;
7923
7924 if (copy_from_user(iobuf,comp->data,comp->len)) {
7925 kfree (iobuf);
7926 return -EFAULT;
7927 }
7928
7929 if (comp->command == AIROPCFG) {
7930 ConfigRid *cfg = (ConfigRid *)iobuf;
7931
7932 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7933 cfg->opmode |= MODE_MIC;
7934
7935 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
7936 set_bit (FLAG_ADHOC, &ai->flags);
7937 else
7938 clear_bit (FLAG_ADHOC, &ai->flags);
7939 }
7940
7941 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7942 kfree (iobuf);
7943 return -EIO;
7944 }
7945 kfree (iobuf);
7946 return 0;
7947}
7948
7949/*****************************************************************************
7950 * Ancillary flash / mod functions much black magic lurkes here *
7951 *****************************************************************************
7952 */
7953
7954/*
7955 * Flash command switch table
7956 */
7957
7958static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7959 int z;
7960
7961 /* Only super-user can modify flash */
7962 if (!capable(CAP_NET_ADMIN))
7963 return -EPERM;
7964
7965 switch(comp->command)
7966 {
7967 case AIROFLSHRST:
7968 return cmdreset((struct airo_info *)dev->ml_priv);
7969
7970 case AIROFLSHSTFL:
7971 if (!AIRO_FLASH(dev) &&
7972 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
7973 return -ENOMEM;
7974 return setflashmode((struct airo_info *)dev->ml_priv);
7975
7976 case AIROFLSHGCHR: /* Get char from aux */
7977 if(comp->len != sizeof(int))
7978 return -EINVAL;
7979 if (copy_from_user(&z,comp->data,comp->len))
7980 return -EFAULT;
7981 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
7982
7983 case AIROFLSHPCHR: /* Send char to card. */
7984 if(comp->len != sizeof(int))
7985 return -EINVAL;
7986 if (copy_from_user(&z,comp->data,comp->len))
7987 return -EFAULT;
7988 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
7989
7990 case AIROFLPUTBUF: /* Send 32k to card */
7991 if (!AIRO_FLASH(dev))
7992 return -ENOMEM;
7993 if(comp->len > FLASHSIZE)
7994 return -EINVAL;
7995 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
7996 return -EFAULT;
7997
7998 flashputbuf((struct airo_info *)dev->ml_priv);
7999 return 0;
8000
8001 case AIRORESTART:
8002 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
8003 return -EIO;
8004 return 0;
8005 }
8006 return -EINVAL;
8007}
8008
8009#define FLASH_COMMAND 0x7e7e
8010
8011/*
8012 * STEP 1)
8013 * Disable MAC and do soft reset on
8014 * card.
8015 */
8016
8017static int cmdreset(struct airo_info *ai) {
8018 disable_MAC(ai, 1);
8019
8020 if(!waitbusy (ai)){
8021 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8022 return -EBUSY;
8023 }
8024
8025 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8026
8027 ssleep(1); /* WAS 600 12/7/00 */
8028
8029 if(!waitbusy (ai)){
8030 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8031 return -EBUSY;
8032 }
8033 return 0;
8034}
8035
8036/* STEP 2)
8037 * Put the card in legendary flash
8038 * mode
8039 */
8040
8041static int setflashmode (struct airo_info *ai) {
8042 set_bit (FLAG_FLASHING, &ai->flags);
8043
8044 OUT4500(ai, SWS0, FLASH_COMMAND);
8045 OUT4500(ai, SWS1, FLASH_COMMAND);
8046 if (probe) {
8047 OUT4500(ai, SWS0, FLASH_COMMAND);
8048 OUT4500(ai, COMMAND,0x10);
8049 } else {
8050 OUT4500(ai, SWS2, FLASH_COMMAND);
8051 OUT4500(ai, SWS3, FLASH_COMMAND);
8052 OUT4500(ai, COMMAND,0);
8053 }
8054 msleep(500); /* 500ms delay */
8055
8056 if(!waitbusy(ai)) {
8057 clear_bit (FLAG_FLASHING, &ai->flags);
8058 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8059 return -EIO;
8060 }
8061 return 0;
8062}
8063
8064/* Put character to SWS0 wait for dwelltime
8065 * x 50us for echo .
8066 */
8067
8068static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8069 int echo;
8070 int waittime;
8071
8072 byte |= 0x8000;
8073
8074 if(dwelltime == 0 )
8075 dwelltime = 200;
8076
8077 waittime=dwelltime;
8078
8079 /* Wait for busy bit d15 to go false indicating buffer empty */
8080 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8081 udelay (50);
8082 waittime -= 50;
8083 }
8084
8085 /* timeout for busy clear wait */
8086 if(waittime <= 0 ){
8087 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8088 return -EBUSY;
8089 }
8090
8091 /* Port is clear now write byte and wait for it to echo back */
8092 do {
8093 OUT4500(ai,SWS0,byte);
8094 udelay(50);
8095 dwelltime -= 50;
8096 echo = IN4500(ai,SWS1);
8097 } while (dwelltime >= 0 && echo != byte);
8098
8099 OUT4500(ai,SWS1,0);
8100
8101 return (echo == byte) ? 0 : -EIO;
8102}
8103
8104/*
8105 * Get a character from the card matching matchbyte
8106 * Step 3)
8107 */
8108static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8109 int rchar;
8110 unsigned char rbyte=0;
8111
8112 do {
8113 rchar = IN4500(ai,SWS1);
8114
8115 if(dwelltime && !(0x8000 & rchar)){
8116 dwelltime -= 10;
8117 mdelay(10);
8118 continue;
8119 }
8120 rbyte = 0xff & rchar;
8121
8122 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8123 OUT4500(ai,SWS1,0);
8124 return 0;
8125 }
8126 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8127 break;
8128 OUT4500(ai,SWS1,0);
8129
8130 }while(dwelltime > 0);
8131 return -EIO;
8132}
8133
8134/*
8135 * Transfer 32k of firmware data from user buffer to our buffer and
8136 * send to the card
8137 */
8138
8139static int flashputbuf(struct airo_info *ai){
8140 int nwords;
8141
8142 /* Write stuff */
8143 if (test_bit(FLAG_MPI,&ai->flags))
8144 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8145 else {
8146 OUT4500(ai,AUXPAGE,0x100);
8147 OUT4500(ai,AUXOFF,0);
8148
8149 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8150 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8151 }
8152 }
8153 OUT4500(ai,SWS0,0x8000);
8154
8155 return 0;
8156}
8157
8158/*
8159 *
8160 */
8161static int flashrestart(struct airo_info *ai,struct net_device *dev){
8162 int i,status;
8163
8164 ssleep(1); /* Added 12/7/00 */
8165 clear_bit (FLAG_FLASHING, &ai->flags);
8166 if (test_bit(FLAG_MPI, &ai->flags)) {
8167 status = mpi_init_descriptors(ai);
8168 if (status != SUCCESS)
8169 return status;
8170 }
8171 status = setup_card(ai, dev->dev_addr, 1);
8172
8173 if (!test_bit(FLAG_MPI,&ai->flags))
8174 for( i = 0; i < MAX_FIDS; i++ ) {
8175 ai->fids[i] = transmit_allocate
8176 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8177 }
8178
8179 ssleep(1); /* Added 12/7/00 */
8180 return status;
8181}
8182#endif /* CISCO_EXT */
8183
8184/*
8185 This program is free software; you can redistribute it and/or
8186 modify it under the terms of the GNU General Public License
8187 as published by the Free Software Foundation; either version 2
8188 of the License, or (at your option) any later version.
8189
8190 This program is distributed in the hope that it will be useful,
8191 but WITHOUT ANY WARRANTY; without even the implied warranty of
8192 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8193 GNU General Public License for more details.
8194
8195 In addition:
8196
8197 Redistribution and use in source and binary forms, with or without
8198 modification, are permitted provided that the following conditions
8199 are met:
8200
8201 1. Redistributions of source code must retain the above copyright
8202 notice, this list of conditions and the following disclaimer.
8203 2. Redistributions in binary form must reproduce the above copyright
8204 notice, this list of conditions and the following disclaimer in the
8205 documentation and/or other materials provided with the distribution.
8206 3. The name of the author may not be used to endorse or promote
8207 products derived from this software without specific prior written
8208 permission.
8209
8210 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8211 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8212 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8213 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8214 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8215 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8216 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8217 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8218 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8219 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8220 POSSIBILITY OF SUCH DAMAGE.
8221*/
8222
8223module_init(airo_init_module);
8224module_exit(airo_cleanup_module);
1/*======================================================================
2
3 Aironet driver for 4500 and 4800 series cards
4
5 This code is released under both the GPL version 2 and BSD licenses.
6 Either license may be used. The respective licenses are found at
7 the end of this file.
8
9 This code was developed by Benjamin Reed <breed@users.sourceforge.net>
10 including portions of which come from the Aironet PC4500
11 Developer's Reference Manual and used with permission. Copyright
12 (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use
13 code in the Developer's manual was granted for this driver by
14 Aironet. Major code contributions were received from Javier Achirica
15 <achirica@users.sourceforge.net> and Jean Tourrilhes <jt@hpl.hp.com>.
16 Code was also integrated from the Cisco Aironet driver for Linux.
17 Support for MPI350 cards was added by Fabrice Bellet
18 <fabrice@bellet.info>.
19
20======================================================================*/
21
22#include <linux/err.h>
23#include <linux/init.h>
24
25#include <linux/kernel.h>
26#include <linux/module.h>
27#include <linux/proc_fs.h>
28
29#include <linux/sched.h>
30#include <linux/ptrace.h>
31#include <linux/slab.h>
32#include <linux/string.h>
33#include <linux/timer.h>
34#include <linux/interrupt.h>
35#include <linux/in.h>
36#include <linux/bitops.h>
37#include <linux/scatterlist.h>
38#include <linux/crypto.h>
39#include <linux/io.h>
40#include <asm/unaligned.h>
41
42#include <linux/netdevice.h>
43#include <linux/etherdevice.h>
44#include <linux/skbuff.h>
45#include <linux/if_arp.h>
46#include <linux/ioport.h>
47#include <linux/pci.h>
48#include <linux/uaccess.h>
49#include <linux/kthread.h>
50#include <linux/freezer.h>
51
52#include <crypto/aes.h>
53#include <crypto/skcipher.h>
54
55#include <net/cfg80211.h>
56#include <net/iw_handler.h>
57
58#include "airo.h"
59
60#define DRV_NAME "airo"
61
62#ifdef CONFIG_PCI
63static const struct pci_device_id card_ids[] = {
64 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
66 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
67 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
68 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
69 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
70 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
71 { 0, }
72};
73MODULE_DEVICE_TABLE(pci, card_ids);
74
75static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
76static void airo_pci_remove(struct pci_dev *);
77static int __maybe_unused airo_pci_suspend(struct device *dev);
78static int __maybe_unused airo_pci_resume(struct device *dev);
79
80static SIMPLE_DEV_PM_OPS(airo_pci_pm_ops,
81 airo_pci_suspend,
82 airo_pci_resume);
83
84static struct pci_driver airo_driver = {
85 .name = DRV_NAME,
86 .id_table = card_ids,
87 .probe = airo_pci_probe,
88 .remove = airo_pci_remove,
89 .driver.pm = &airo_pci_pm_ops,
90};
91#endif /* CONFIG_PCI */
92
93/* Include Wireless Extension definition and check version - Jean II */
94#include <linux/wireless.h>
95#define WIRELESS_SPY /* enable iwspy support */
96
97#define CISCO_EXT /* enable Cisco extensions */
98#ifdef CISCO_EXT
99#include <linux/delay.h>
100#endif
101
102/* Hack to do some power saving */
103#define POWER_ON_DOWN
104
105/* As you can see this list is HUGH!
106 I really don't know what a lot of these counts are about, but they
107 are all here for completeness. If the IGNLABEL macro is put in
108 infront of the label, that statistic will not be included in the list
109 of statistics in the /proc filesystem */
110
111#define IGNLABEL(comment) NULL
112static const char *statsLabels[] = {
113 "RxOverrun",
114 IGNLABEL("RxPlcpCrcErr"),
115 IGNLABEL("RxPlcpFormatErr"),
116 IGNLABEL("RxPlcpLengthErr"),
117 "RxMacCrcErr",
118 "RxMacCrcOk",
119 "RxWepErr",
120 "RxWepOk",
121 "RetryLong",
122 "RetryShort",
123 "MaxRetries",
124 "NoAck",
125 "NoCts",
126 "RxAck",
127 "RxCts",
128 "TxAck",
129 "TxRts",
130 "TxCts",
131 "TxMc",
132 "TxBc",
133 "TxUcFrags",
134 "TxUcPackets",
135 "TxBeacon",
136 "RxBeacon",
137 "TxSinColl",
138 "TxMulColl",
139 "DefersNo",
140 "DefersProt",
141 "DefersEngy",
142 "DupFram",
143 "RxFragDisc",
144 "TxAged",
145 "RxAged",
146 "LostSync-MaxRetry",
147 "LostSync-MissedBeacons",
148 "LostSync-ArlExceeded",
149 "LostSync-Deauth",
150 "LostSync-Disassoced",
151 "LostSync-TsfTiming",
152 "HostTxMc",
153 "HostTxBc",
154 "HostTxUc",
155 "HostTxFail",
156 "HostRxMc",
157 "HostRxBc",
158 "HostRxUc",
159 "HostRxDiscard",
160 IGNLABEL("HmacTxMc"),
161 IGNLABEL("HmacTxBc"),
162 IGNLABEL("HmacTxUc"),
163 IGNLABEL("HmacTxFail"),
164 IGNLABEL("HmacRxMc"),
165 IGNLABEL("HmacRxBc"),
166 IGNLABEL("HmacRxUc"),
167 IGNLABEL("HmacRxDiscard"),
168 IGNLABEL("HmacRxAccepted"),
169 "SsidMismatch",
170 "ApMismatch",
171 "RatesMismatch",
172 "AuthReject",
173 "AuthTimeout",
174 "AssocReject",
175 "AssocTimeout",
176 IGNLABEL("ReasonOutsideTable"),
177 IGNLABEL("ReasonStatus1"),
178 IGNLABEL("ReasonStatus2"),
179 IGNLABEL("ReasonStatus3"),
180 IGNLABEL("ReasonStatus4"),
181 IGNLABEL("ReasonStatus5"),
182 IGNLABEL("ReasonStatus6"),
183 IGNLABEL("ReasonStatus7"),
184 IGNLABEL("ReasonStatus8"),
185 IGNLABEL("ReasonStatus9"),
186 IGNLABEL("ReasonStatus10"),
187 IGNLABEL("ReasonStatus11"),
188 IGNLABEL("ReasonStatus12"),
189 IGNLABEL("ReasonStatus13"),
190 IGNLABEL("ReasonStatus14"),
191 IGNLABEL("ReasonStatus15"),
192 IGNLABEL("ReasonStatus16"),
193 IGNLABEL("ReasonStatus17"),
194 IGNLABEL("ReasonStatus18"),
195 IGNLABEL("ReasonStatus19"),
196 "RxMan",
197 "TxMan",
198 "RxRefresh",
199 "TxRefresh",
200 "RxPoll",
201 "TxPoll",
202 "HostRetries",
203 "LostSync-HostReq",
204 "HostTxBytes",
205 "HostRxBytes",
206 "ElapsedUsec",
207 "ElapsedSec",
208 "LostSyncBetterAP",
209 "PrivacyMismatch",
210 "Jammed",
211 "DiscRxNotWepped",
212 "PhyEleMismatch",
213 (char*)-1 };
214#ifndef RUN_AT
215#define RUN_AT(x) (jiffies+(x))
216#endif
217
218
219/* These variables are for insmod, since it seems that the rates
220 can only be set in setup_card. Rates should be a comma separated
221 (no spaces) list of rates (up to 8). */
222
223static int rates[8];
224static char *ssids[3];
225
226static int io[4];
227static int irq[4];
228
229static
230int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
231 0 means no limit. For old cards this was 4 */
232
233static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
234static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
235 the bap, needed on some older cards and buses. */
236static int adhoc;
237
238static int probe = 1;
239
240static kuid_t proc_kuid;
241static int proc_uid /* = 0 */;
242
243static kgid_t proc_kgid;
244static int proc_gid /* = 0 */;
245
246static int airo_perm = 0555;
247
248static int proc_perm = 0644;
249
250MODULE_AUTHOR("Benjamin Reed");
251MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet cards. "
252 "Direct support for ISA/PCI/MPI cards and support for PCMCIA when used with airo_cs.");
253MODULE_LICENSE("Dual BSD/GPL");
254MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
255module_param_hw_array(io, int, ioport, NULL, 0);
256module_param_hw_array(irq, int, irq, NULL, 0);
257module_param_array(rates, int, NULL, 0);
258module_param_array(ssids, charp, NULL, 0);
259module_param(auto_wep, int, 0);
260MODULE_PARM_DESC(auto_wep,
261 "If non-zero, the driver will keep looping through the authentication options until an association is made. "
262 "The value of auto_wep is number of the wep keys to check. "
263 "A value of 2 will try using the key at index 0 and index 1.");
264module_param(aux_bap, int, 0);
265MODULE_PARM_DESC(aux_bap,
266 "If non-zero, the driver will switch into a mode that seems to work better for older cards with some older buses. "
267 "Before switching it checks that the switch is needed.");
268module_param(maxencrypt, int, 0);
269MODULE_PARM_DESC(maxencrypt,
270 "The maximum speed that the card can do encryption. "
271 "Units are in 512kbs. "
272 "Zero (default) means there is no limit. "
273 "Older cards used to be limited to 2mbs (4).");
274module_param(adhoc, int, 0);
275MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
276module_param(probe, int, 0);
277MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
278
279module_param(proc_uid, int, 0);
280MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
281module_param(proc_gid, int, 0);
282MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
283module_param(airo_perm, int, 0);
284MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
285module_param(proc_perm, int, 0);
286MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
287
288/* This is a kind of sloppy hack to get this information to OUT4500 and
289 IN4500. I would be extremely interested in the situation where this
290 doesn't work though!!! */
291static int do8bitIO /* = 0 */;
292
293/* Return codes */
294#define SUCCESS 0
295#define ERROR -1
296#define NO_PACKET -2
297
298/* Commands */
299#define NOP2 0x0000
300#define MAC_ENABLE 0x0001
301#define MAC_DISABLE 0x0002
302#define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
303#define CMD_SOFTRESET 0x0004
304#define HOSTSLEEP 0x0005
305#define CMD_MAGIC_PKT 0x0006
306#define CMD_SETWAKEMASK 0x0007
307#define CMD_READCFG 0x0008
308#define CMD_SETMODE 0x0009
309#define CMD_ALLOCATETX 0x000a
310#define CMD_TRANSMIT 0x000b
311#define CMD_DEALLOCATETX 0x000c
312#define NOP 0x0010
313#define CMD_WORKAROUND 0x0011
314#define CMD_ALLOCATEAUX 0x0020
315#define CMD_ACCESS 0x0021
316#define CMD_PCIBAP 0x0022
317#define CMD_PCIAUX 0x0023
318#define CMD_ALLOCBUF 0x0028
319#define CMD_GETTLV 0x0029
320#define CMD_PUTTLV 0x002a
321#define CMD_DELTLV 0x002b
322#define CMD_FINDNEXTTLV 0x002c
323#define CMD_PSPNODES 0x0030
324#define CMD_SETCW 0x0031
325#define CMD_SETPCF 0x0032
326#define CMD_SETPHYREG 0x003e
327#define CMD_TXTEST 0x003f
328#define MAC_ENABLETX 0x0101
329#define CMD_LISTBSS 0x0103
330#define CMD_SAVECFG 0x0108
331#define CMD_ENABLEAUX 0x0111
332#define CMD_WRITERID 0x0121
333#define CMD_USEPSPNODES 0x0130
334#define MAC_ENABLERX 0x0201
335
336/* Command errors */
337#define ERROR_QUALIF 0x00
338#define ERROR_ILLCMD 0x01
339#define ERROR_ILLFMT 0x02
340#define ERROR_INVFID 0x03
341#define ERROR_INVRID 0x04
342#define ERROR_LARGE 0x05
343#define ERROR_NDISABL 0x06
344#define ERROR_ALLOCBSY 0x07
345#define ERROR_NORD 0x0B
346#define ERROR_NOWR 0x0C
347#define ERROR_INVFIDTX 0x0D
348#define ERROR_TESTACT 0x0E
349#define ERROR_TAGNFND 0x12
350#define ERROR_DECODE 0x20
351#define ERROR_DESCUNAV 0x21
352#define ERROR_BADLEN 0x22
353#define ERROR_MODE 0x80
354#define ERROR_HOP 0x81
355#define ERROR_BINTER 0x82
356#define ERROR_RXMODE 0x83
357#define ERROR_MACADDR 0x84
358#define ERROR_RATES 0x85
359#define ERROR_ORDER 0x86
360#define ERROR_SCAN 0x87
361#define ERROR_AUTH 0x88
362#define ERROR_PSMODE 0x89
363#define ERROR_RTYPE 0x8A
364#define ERROR_DIVER 0x8B
365#define ERROR_SSID 0x8C
366#define ERROR_APLIST 0x8D
367#define ERROR_AUTOWAKE 0x8E
368#define ERROR_LEAP 0x8F
369
370/* Registers */
371#define COMMAND 0x00
372#define PARAM0 0x02
373#define PARAM1 0x04
374#define PARAM2 0x06
375#define STATUS 0x08
376#define RESP0 0x0a
377#define RESP1 0x0c
378#define RESP2 0x0e
379#define LINKSTAT 0x10
380#define SELECT0 0x18
381#define OFFSET0 0x1c
382#define RXFID 0x20
383#define TXALLOCFID 0x22
384#define TXCOMPLFID 0x24
385#define DATA0 0x36
386#define EVSTAT 0x30
387#define EVINTEN 0x32
388#define EVACK 0x34
389#define SWS0 0x28
390#define SWS1 0x2a
391#define SWS2 0x2c
392#define SWS3 0x2e
393#define AUXPAGE 0x3A
394#define AUXOFF 0x3C
395#define AUXDATA 0x3E
396
397#define FID_TX 1
398#define FID_RX 2
399/* Offset into aux memory for descriptors */
400#define AUX_OFFSET 0x800
401/* Size of allocated packets */
402#define PKTSIZE 1840
403#define RIDSIZE 2048
404/* Size of the transmit queue */
405#define MAXTXQ 64
406
407/* BAP selectors */
408#define BAP0 0 /* Used for receiving packets */
409#define BAP1 2 /* Used for xmiting packets and working with RIDS */
410
411/* Flags */
412#define COMMAND_BUSY 0x8000
413
414#define BAP_BUSY 0x8000
415#define BAP_ERR 0x4000
416#define BAP_DONE 0x2000
417
418#define PROMISC 0xffff
419#define NOPROMISC 0x0000
420
421#define EV_CMD 0x10
422#define EV_CLEARCOMMANDBUSY 0x4000
423#define EV_RX 0x01
424#define EV_TX 0x02
425#define EV_TXEXC 0x04
426#define EV_ALLOC 0x08
427#define EV_LINK 0x80
428#define EV_AWAKE 0x100
429#define EV_TXCPY 0x400
430#define EV_UNKNOWN 0x800
431#define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
432#define EV_AWAKEN 0x2000
433#define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
434
435#ifdef CHECK_UNKNOWN_INTS
436#define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
437#else
438#define IGNORE_INTS (~STATUS_INTS)
439#endif
440
441/* RID TYPES */
442#define RID_RW 0x20
443
444/* The RIDs */
445#define RID_CAPABILITIES 0xFF00
446#define RID_APINFO 0xFF01
447#define RID_RADIOINFO 0xFF02
448#define RID_UNKNOWN3 0xFF03
449#define RID_RSSI 0xFF04
450#define RID_CONFIG 0xFF10
451#define RID_SSID 0xFF11
452#define RID_APLIST 0xFF12
453#define RID_DRVNAME 0xFF13
454#define RID_ETHERENCAP 0xFF14
455#define RID_WEP_TEMP 0xFF15
456#define RID_WEP_PERM 0xFF16
457#define RID_MODULATION 0xFF17
458#define RID_OPTIONS 0xFF18
459#define RID_ACTUALCONFIG 0xFF20 /*readonly*/
460#define RID_FACTORYCONFIG 0xFF21
461#define RID_UNKNOWN22 0xFF22
462#define RID_LEAPUSERNAME 0xFF23
463#define RID_LEAPPASSWORD 0xFF24
464#define RID_STATUS 0xFF50
465#define RID_BEACON_HST 0xFF51
466#define RID_BUSY_HST 0xFF52
467#define RID_RETRIES_HST 0xFF53
468#define RID_UNKNOWN54 0xFF54
469#define RID_UNKNOWN55 0xFF55
470#define RID_UNKNOWN56 0xFF56
471#define RID_MIC 0xFF57
472#define RID_STATS16 0xFF60
473#define RID_STATS16DELTA 0xFF61
474#define RID_STATS16DELTACLEAR 0xFF62
475#define RID_STATS 0xFF68
476#define RID_STATSDELTA 0xFF69
477#define RID_STATSDELTACLEAR 0xFF6A
478#define RID_ECHOTEST_RID 0xFF70
479#define RID_ECHOTEST_RESULTS 0xFF71
480#define RID_BSSLISTFIRST 0xFF72
481#define RID_BSSLISTNEXT 0xFF73
482#define RID_WPA_BSSLISTFIRST 0xFF74
483#define RID_WPA_BSSLISTNEXT 0xFF75
484
485typedef struct {
486 u16 cmd;
487 u16 parm0;
488 u16 parm1;
489 u16 parm2;
490} Cmd;
491
492typedef struct {
493 u16 status;
494 u16 rsp0;
495 u16 rsp1;
496 u16 rsp2;
497} Resp;
498
499/*
500 * Rids and endian-ness: The Rids will always be in cpu endian, since
501 * this all the patches from the big-endian guys end up doing that.
502 * so all rid access should use the read/writeXXXRid routines.
503 */
504
505/* This structure came from an email sent to me from an engineer at
506 aironet for inclusion into this driver */
507typedef struct WepKeyRid WepKeyRid;
508struct WepKeyRid {
509 __le16 len;
510 __le16 kindex;
511 u8 mac[ETH_ALEN];
512 __le16 klen;
513 u8 key[16];
514} __packed;
515
516/* These structures are from the Aironet's PC4500 Developers Manual */
517typedef struct Ssid Ssid;
518struct Ssid {
519 __le16 len;
520 u8 ssid[32];
521} __packed;
522
523typedef struct SsidRid SsidRid;
524struct SsidRid {
525 __le16 len;
526 Ssid ssids[3];
527} __packed;
528
529typedef struct ModulationRid ModulationRid;
530struct ModulationRid {
531 __le16 len;
532 __le16 modulation;
533#define MOD_DEFAULT cpu_to_le16(0)
534#define MOD_CCK cpu_to_le16(1)
535#define MOD_MOK cpu_to_le16(2)
536} __packed;
537
538typedef struct ConfigRid ConfigRid;
539struct ConfigRid {
540 __le16 len; /* sizeof(ConfigRid) */
541 __le16 opmode; /* operating mode */
542#define MODE_STA_IBSS cpu_to_le16(0)
543#define MODE_STA_ESS cpu_to_le16(1)
544#define MODE_AP cpu_to_le16(2)
545#define MODE_AP_RPTR cpu_to_le16(3)
546#define MODE_CFG_MASK cpu_to_le16(0xff)
547#define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
548#define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
549#define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
550#define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
551#define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
552#define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
553#define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
554#define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
555#define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
556 __le16 rmode; /* receive mode */
557#define RXMODE_BC_MC_ADDR cpu_to_le16(0)
558#define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
559#define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
560#define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
561#define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
562#define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
563#define RXMODE_MASK cpu_to_le16(255)
564#define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
565#define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
566#define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
567 __le16 fragThresh;
568 __le16 rtsThres;
569 u8 macAddr[ETH_ALEN];
570 u8 rates[8];
571 __le16 shortRetryLimit;
572 __le16 longRetryLimit;
573 __le16 txLifetime; /* in kusec */
574 __le16 rxLifetime; /* in kusec */
575 __le16 stationary;
576 __le16 ordering;
577 __le16 u16deviceType; /* for overriding device type */
578 __le16 cfpRate;
579 __le16 cfpDuration;
580 __le16 _reserved1[3];
581 /*---------- Scanning/Associating ----------*/
582 __le16 scanMode;
583#define SCANMODE_ACTIVE cpu_to_le16(0)
584#define SCANMODE_PASSIVE cpu_to_le16(1)
585#define SCANMODE_AIROSCAN cpu_to_le16(2)
586 __le16 probeDelay; /* in kusec */
587 __le16 probeEnergyTimeout; /* in kusec */
588 __le16 probeResponseTimeout;
589 __le16 beaconListenTimeout;
590 __le16 joinNetTimeout;
591 __le16 authTimeout;
592 __le16 authType;
593#define AUTH_OPEN cpu_to_le16(0x1)
594#define AUTH_ENCRYPT cpu_to_le16(0x101)
595#define AUTH_SHAREDKEY cpu_to_le16(0x102)
596#define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
597 __le16 associationTimeout;
598 __le16 specifiedApTimeout;
599 __le16 offlineScanInterval;
600 __le16 offlineScanDuration;
601 __le16 linkLossDelay;
602 __le16 maxBeaconLostTime;
603 __le16 refreshInterval;
604#define DISABLE_REFRESH cpu_to_le16(0xFFFF)
605 __le16 _reserved1a[1];
606 /*---------- Power save operation ----------*/
607 __le16 powerSaveMode;
608#define POWERSAVE_CAM cpu_to_le16(0)
609#define POWERSAVE_PSP cpu_to_le16(1)
610#define POWERSAVE_PSPCAM cpu_to_le16(2)
611 __le16 sleepForDtims;
612 __le16 listenInterval;
613 __le16 fastListenInterval;
614 __le16 listenDecay;
615 __le16 fastListenDelay;
616 __le16 _reserved2[2];
617 /*---------- Ap/Ibss config items ----------*/
618 __le16 beaconPeriod;
619 __le16 atimDuration;
620 __le16 hopPeriod;
621 __le16 channelSet;
622 __le16 channel;
623 __le16 dtimPeriod;
624 __le16 bridgeDistance;
625 __le16 radioID;
626 /*---------- Radio configuration ----------*/
627 __le16 radioType;
628#define RADIOTYPE_DEFAULT cpu_to_le16(0)
629#define RADIOTYPE_802_11 cpu_to_le16(1)
630#define RADIOTYPE_LEGACY cpu_to_le16(2)
631 u8 rxDiversity;
632 u8 txDiversity;
633 __le16 txPower;
634#define TXPOWER_DEFAULT 0
635 __le16 rssiThreshold;
636#define RSSI_DEFAULT 0
637 __le16 modulation;
638#define PREAMBLE_AUTO cpu_to_le16(0)
639#define PREAMBLE_LONG cpu_to_le16(1)
640#define PREAMBLE_SHORT cpu_to_le16(2)
641 __le16 preamble;
642 __le16 homeProduct;
643 __le16 radioSpecific;
644 /*---------- Aironet Extensions ----------*/
645 u8 nodeName[16];
646 __le16 arlThreshold;
647 __le16 arlDecay;
648 __le16 arlDelay;
649 __le16 _reserved4[1];
650 /*---------- Aironet Extensions ----------*/
651 u8 magicAction;
652#define MAGIC_ACTION_STSCHG 1
653#define MAGIC_ACTION_RESUME 2
654#define MAGIC_IGNORE_MCAST (1<<8)
655#define MAGIC_IGNORE_BCAST (1<<9)
656#define MAGIC_SWITCH_TO_PSP (0<<10)
657#define MAGIC_STAY_IN_CAM (1<<10)
658 u8 magicControl;
659 __le16 autoWake;
660} __packed;
661
662typedef struct StatusRid StatusRid;
663struct StatusRid {
664 __le16 len;
665 u8 mac[ETH_ALEN];
666 __le16 mode;
667 __le16 errorCode;
668 __le16 sigQuality;
669 __le16 SSIDlen;
670 char SSID[32];
671 char apName[16];
672 u8 bssid[4][ETH_ALEN];
673 __le16 beaconPeriod;
674 __le16 dimPeriod;
675 __le16 atimDuration;
676 __le16 hopPeriod;
677 __le16 channelSet;
678 __le16 channel;
679 __le16 hopsToBackbone;
680 __le16 apTotalLoad;
681 __le16 generatedLoad;
682 __le16 accumulatedArl;
683 __le16 signalQuality;
684 __le16 currentXmitRate;
685 __le16 apDevExtensions;
686 __le16 normalizedSignalStrength;
687 __le16 shortPreamble;
688 u8 apIP[4];
689 u8 noisePercent; /* Noise percent in last second */
690 u8 noisedBm; /* Noise dBm in last second */
691 u8 noiseAvePercent; /* Noise percent in last minute */
692 u8 noiseAvedBm; /* Noise dBm in last minute */
693 u8 noiseMaxPercent; /* Highest noise percent in last minute */
694 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
695 __le16 load;
696 u8 carrier[4];
697 __le16 assocStatus;
698#define STAT_NOPACKETS 0
699#define STAT_NOCARRIERSET 10
700#define STAT_GOTCARRIERSET 11
701#define STAT_WRONGSSID 20
702#define STAT_BADCHANNEL 25
703#define STAT_BADBITRATES 30
704#define STAT_BADPRIVACY 35
705#define STAT_APFOUND 40
706#define STAT_APREJECTED 50
707#define STAT_AUTHENTICATING 60
708#define STAT_DEAUTHENTICATED 61
709#define STAT_AUTHTIMEOUT 62
710#define STAT_ASSOCIATING 70
711#define STAT_DEASSOCIATED 71
712#define STAT_ASSOCTIMEOUT 72
713#define STAT_NOTAIROAP 73
714#define STAT_ASSOCIATED 80
715#define STAT_LEAPING 90
716#define STAT_LEAPFAILED 91
717#define STAT_LEAPTIMEDOUT 92
718#define STAT_LEAPCOMPLETE 93
719} __packed;
720
721typedef struct StatsRid StatsRid;
722struct StatsRid {
723 __le16 len;
724 __le16 spacer;
725 __le32 vals[100];
726} __packed;
727
728typedef struct APListRid APListRid;
729struct APListRid {
730 __le16 len;
731 u8 ap[4][ETH_ALEN];
732} __packed;
733
734typedef struct CapabilityRid CapabilityRid;
735struct CapabilityRid {
736 __le16 len;
737 char oui[3];
738 char zero;
739 __le16 prodNum;
740 char manName[32];
741 char prodName[16];
742 char prodVer[8];
743 char factoryAddr[ETH_ALEN];
744 char aironetAddr[ETH_ALEN];
745 __le16 radioType;
746 __le16 country;
747 char callid[ETH_ALEN];
748 char supportedRates[8];
749 char rxDiversity;
750 char txDiversity;
751 __le16 txPowerLevels[8];
752 __le16 hardVer;
753 __le16 hardCap;
754 __le16 tempRange;
755 __le16 softVer;
756 __le16 softSubVer;
757 __le16 interfaceVer;
758 __le16 softCap;
759 __le16 bootBlockVer;
760 __le16 requiredHard;
761 __le16 extSoftCap;
762} __packed;
763
764/* Only present on firmware >= 5.30.17 */
765typedef struct BSSListRidExtra BSSListRidExtra;
766struct BSSListRidExtra {
767 __le16 unknown[4];
768 u8 fixed[12]; /* WLAN management frame */
769 u8 iep[624];
770} __packed;
771
772typedef struct BSSListRid BSSListRid;
773struct BSSListRid {
774 __le16 len;
775 __le16 index; /* First is 0 and 0xffff means end of list */
776#define RADIO_FH 1 /* Frequency hopping radio type */
777#define RADIO_DS 2 /* Direct sequence radio type */
778#define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
779 __le16 radioType;
780 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
781 u8 zero;
782 u8 ssidLen;
783 u8 ssid[32];
784 __le16 dBm;
785#define CAP_ESS cpu_to_le16(1<<0)
786#define CAP_IBSS cpu_to_le16(1<<1)
787#define CAP_PRIVACY cpu_to_le16(1<<4)
788#define CAP_SHORTHDR cpu_to_le16(1<<5)
789 __le16 cap;
790 __le16 beaconInterval;
791 u8 rates[8]; /* Same as rates for config rid */
792 struct { /* For frequency hopping only */
793 __le16 dwell;
794 u8 hopSet;
795 u8 hopPattern;
796 u8 hopIndex;
797 u8 fill;
798 } fh;
799 __le16 dsChannel;
800 __le16 atimWindow;
801
802 /* Only present on firmware >= 5.30.17 */
803 BSSListRidExtra extra;
804} __packed;
805
806typedef struct {
807 BSSListRid bss;
808 struct list_head list;
809} BSSListElement;
810
811typedef struct tdsRssiEntry tdsRssiEntry;
812struct tdsRssiEntry {
813 u8 rssipct;
814 u8 rssidBm;
815} __packed;
816
817typedef struct tdsRssiRid tdsRssiRid;
818struct tdsRssiRid {
819 u16 len;
820 tdsRssiEntry x[256];
821} __packed;
822
823typedef struct MICRid MICRid;
824struct MICRid {
825 __le16 len;
826 __le16 state;
827 __le16 multicastValid;
828 u8 multicast[16];
829 __le16 unicastValid;
830 u8 unicast[16];
831} __packed;
832
833typedef struct MICBuffer MICBuffer;
834struct MICBuffer {
835 __be16 typelen;
836
837 union {
838 u8 snap[8];
839 struct {
840 u8 dsap;
841 u8 ssap;
842 u8 control;
843 u8 orgcode[3];
844 u8 fieldtype[2];
845 } llc;
846 } u;
847 __be32 mic;
848 __be32 seq;
849} __packed;
850
851typedef struct {
852 u8 da[ETH_ALEN];
853 u8 sa[ETH_ALEN];
854} etherHead;
855
856#define TXCTL_TXOK (1<<1) /* report if tx is ok */
857#define TXCTL_TXEX (1<<2) /* report if tx fails */
858#define TXCTL_802_3 (0<<3) /* 802.3 packet */
859#define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
860#define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
861#define TXCTL_LLC (1<<4) /* payload is llc */
862#define TXCTL_RELEASE (0<<5) /* release after completion */
863#define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
864
865#define BUSY_FID 0x10000
866
867#ifdef CISCO_EXT
868#define AIROMAGIC 0xa55a
869/* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
870#ifdef SIOCIWFIRSTPRIV
871#ifdef SIOCDEVPRIVATE
872#define AIROOLDIOCTL SIOCDEVPRIVATE
873#define AIROOLDIDIFC AIROOLDIOCTL + 1
874#endif /* SIOCDEVPRIVATE */
875#else /* SIOCIWFIRSTPRIV */
876#define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
877#endif /* SIOCIWFIRSTPRIV */
878/* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
879 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
880 * only and don't return the modified struct ifreq to the application which
881 * is usually a problem. - Jean II */
882#define AIROIOCTL SIOCIWFIRSTPRIV
883#define AIROIDIFC AIROIOCTL + 1
884
885/* Ioctl constants to be used in airo_ioctl.command */
886
887#define AIROGCAP 0 // Capability rid
888#define AIROGCFG 1 // USED A LOT
889#define AIROGSLIST 2 // System ID list
890#define AIROGVLIST 3 // List of specified AP's
891#define AIROGDRVNAM 4 // NOTUSED
892#define AIROGEHTENC 5 // NOTUSED
893#define AIROGWEPKTMP 6
894#define AIROGWEPKNV 7
895#define AIROGSTAT 8
896#define AIROGSTATSC32 9
897#define AIROGSTATSD32 10
898#define AIROGMICRID 11
899#define AIROGMICSTATS 12
900#define AIROGFLAGS 13
901#define AIROGID 14
902#define AIRORRID 15
903#define AIRORSWVERSION 17
904
905/* Leave gap of 40 commands after AIROGSTATSD32 for future */
906
907#define AIROPCAP AIROGSTATSD32 + 40
908#define AIROPVLIST AIROPCAP + 1
909#define AIROPSLIST AIROPVLIST + 1
910#define AIROPCFG AIROPSLIST + 1
911#define AIROPSIDS AIROPCFG + 1
912#define AIROPAPLIST AIROPSIDS + 1
913#define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
914#define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
915#define AIROPSTCLR AIROPMACOFF + 1
916#define AIROPWEPKEY AIROPSTCLR + 1
917#define AIROPWEPKEYNV AIROPWEPKEY + 1
918#define AIROPLEAPPWD AIROPWEPKEYNV + 1
919#define AIROPLEAPUSR AIROPLEAPPWD + 1
920
921/* Flash codes */
922
923#define AIROFLSHRST AIROPWEPKEYNV + 40
924#define AIROFLSHGCHR AIROFLSHRST + 1
925#define AIROFLSHSTFL AIROFLSHGCHR + 1
926#define AIROFLSHPCHR AIROFLSHSTFL + 1
927#define AIROFLPUTBUF AIROFLSHPCHR + 1
928#define AIRORESTART AIROFLPUTBUF + 1
929
930#define FLASHSIZE 32768
931#define AUXMEMSIZE (256 * 1024)
932
933typedef struct aironet_ioctl {
934 unsigned short command; // What to do
935 unsigned short len; // Len of data
936 unsigned short ridnum; // rid number
937 unsigned char __user *data; // d-data
938} aironet_ioctl;
939
940static const char swversion[] = "2.1";
941#endif /* CISCO_EXT */
942
943#define NUM_MODULES 2
944#define MIC_MSGLEN_MAX 2400
945#define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
946#define AIRO_DEF_MTU 2312
947
948typedef struct {
949 u32 size; // size
950 u8 enabled; // MIC enabled or not
951 u32 rxSuccess; // successful packets received
952 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
953 u32 rxNotMICed; // pkts dropped due to not being MIC'd
954 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
955 u32 rxWrongSequence; // pkts dropped due to sequence number violation
956 u32 reserve[32];
957} mic_statistics;
958
959typedef struct {
960 __be32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
961 u64 accum; // accumulated mic, reduced to u32 in final()
962 int position; // current position (byte offset) in message
963 union {
964 u8 d8[4];
965 __be32 d32;
966 } part; // saves partial message word across update() calls
967} emmh32_context;
968
969typedef struct {
970 emmh32_context seed; // Context - the seed
971 u32 rx; // Received sequence number
972 u32 tx; // Tx sequence number
973 u32 window; // Start of window
974 u8 valid; // Flag to say if context is valid or not
975 u8 key[16];
976} miccntx;
977
978typedef struct {
979 miccntx mCtx; // Multicast context
980 miccntx uCtx; // Unicast context
981} mic_module;
982
983typedef struct {
984 unsigned int rid: 16;
985 unsigned int len: 15;
986 unsigned int valid: 1;
987 dma_addr_t host_addr;
988} Rid;
989
990typedef struct {
991 unsigned int offset: 15;
992 unsigned int eoc: 1;
993 unsigned int len: 15;
994 unsigned int valid: 1;
995 dma_addr_t host_addr;
996} TxFid;
997
998struct rx_hdr {
999 __le16 status, len;
1000 u8 rssi[2];
1001 u8 rate;
1002 u8 freq;
1003 __le16 tmp[4];
1004} __packed;
1005
1006typedef struct {
1007 unsigned int ctl: 15;
1008 unsigned int rdy: 1;
1009 unsigned int len: 15;
1010 unsigned int valid: 1;
1011 dma_addr_t host_addr;
1012} RxFid;
1013
1014/*
1015 * Host receive descriptor
1016 */
1017typedef struct {
1018 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1019 desc */
1020 RxFid rx_desc; /* card receive descriptor */
1021 char *virtual_host_addr; /* virtual address of host receive
1022 buffer */
1023 int pending;
1024} HostRxDesc;
1025
1026/*
1027 * Host transmit descriptor
1028 */
1029typedef struct {
1030 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1031 desc */
1032 TxFid tx_desc; /* card transmit descriptor */
1033 char *virtual_host_addr; /* virtual address of host receive
1034 buffer */
1035 int pending;
1036} HostTxDesc;
1037
1038/*
1039 * Host RID descriptor
1040 */
1041typedef struct {
1042 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1043 descriptor */
1044 Rid rid_desc; /* card RID descriptor */
1045 char *virtual_host_addr; /* virtual address of host receive
1046 buffer */
1047} HostRidDesc;
1048
1049typedef struct {
1050 u16 sw0;
1051 u16 sw1;
1052 u16 status;
1053 u16 len;
1054#define HOST_SET (1 << 0)
1055#define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1056#define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1057#define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1058#define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1059#define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1060#define HOST_CLR_AID (1 << 7) /* clear AID failure */
1061#define HOST_RTS (1 << 9) /* Force RTS use */
1062#define HOST_SHORT (1 << 10) /* Do short preamble */
1063 u16 ctl;
1064 u16 aid;
1065 u16 retries;
1066 u16 fill;
1067} TxCtlHdr;
1068
1069typedef struct {
1070 u16 ctl;
1071 u16 duration;
1072 char addr1[6];
1073 char addr2[6];
1074 char addr3[6];
1075 u16 seq;
1076 char addr4[6];
1077} WifiHdr;
1078
1079
1080typedef struct {
1081 TxCtlHdr ctlhdr;
1082 u16 fill1;
1083 u16 fill2;
1084 WifiHdr wifihdr;
1085 u16 gaplen;
1086 u16 status;
1087} WifiCtlHdr;
1088
1089static WifiCtlHdr wifictlhdr8023 = {
1090 .ctlhdr = {
1091 .ctl = HOST_DONT_RLSE,
1092 }
1093};
1094
1095// A few details needed for WEP (Wireless Equivalent Privacy)
1096#define MAX_KEY_SIZE 13 // 128 (?) bits
1097#define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1098typedef struct wep_key_t {
1099 u16 len;
1100 u8 key[16]; /* 40-bit and 104-bit keys */
1101} wep_key_t;
1102
1103/* List of Wireless Handlers (new API) */
1104static const struct iw_handler_def airo_handler_def;
1105
1106static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1107
1108struct airo_info;
1109
1110static int get_dec_u16( char *buffer, int *start, int limit );
1111static void OUT4500( struct airo_info *, u16 reg, u16 value );
1112static unsigned short IN4500( struct airo_info *, u16 reg );
1113static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1114static int enable_MAC(struct airo_info *ai, int lock);
1115static void disable_MAC(struct airo_info *ai, int lock);
1116static void enable_interrupts(struct airo_info*);
1117static void disable_interrupts(struct airo_info*);
1118static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1119static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1120static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1121 int whichbap);
1122static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1123 int whichbap);
1124static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1125 int whichbap);
1126static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1127static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1128static int PC4500_writerid(struct airo_info*, u16 rid, const void
1129 *pBuf, int len, int lock);
1130static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1131 int len, int dummy );
1132static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1133static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1134static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1135
1136static int mpi_send_packet (struct net_device *dev);
1137static void mpi_unmap_card(struct pci_dev *pci);
1138static void mpi_receive_802_3(struct airo_info *ai);
1139static void mpi_receive_802_11(struct airo_info *ai);
1140static int waitbusy (struct airo_info *ai);
1141
1142static irqreturn_t airo_interrupt( int irq, void* dev_id);
1143static int airo_thread(void *data);
1144static void timer_func( struct net_device *dev );
1145static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1146static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1147static void airo_read_wireless_stats (struct airo_info *local);
1148#ifdef CISCO_EXT
1149static int readrids(struct net_device *dev, aironet_ioctl *comp);
1150static int writerids(struct net_device *dev, aironet_ioctl *comp);
1151static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1152#endif /* CISCO_EXT */
1153static void micinit(struct airo_info *ai);
1154static int micsetup(struct airo_info *ai);
1155static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1156static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1157
1158static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1159static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1160
1161static void airo_networks_free(struct airo_info *ai);
1162
1163struct airo_info {
1164 struct net_device *dev;
1165 struct list_head dev_list;
1166 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1167 use the high bit to mark whether it is in use. */
1168#define MAX_FIDS 6
1169#define MPI_MAX_FIDS 1
1170 u32 fids[MAX_FIDS];
1171 ConfigRid config;
1172 char keyindex; // Used with auto wep
1173 char defindex; // Used with auto wep
1174 struct proc_dir_entry *proc_entry;
1175 spinlock_t aux_lock;
1176#define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1177#define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1178#define FLAG_RADIO_MASK 0x03
1179#define FLAG_ENABLED 2
1180#define FLAG_ADHOC 3 /* Needed by MIC */
1181#define FLAG_MIC_CAPABLE 4
1182#define FLAG_UPDATE_MULTI 5
1183#define FLAG_UPDATE_UNI 6
1184#define FLAG_802_11 7
1185#define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1186#define FLAG_PENDING_XMIT 9
1187#define FLAG_PENDING_XMIT11 10
1188#define FLAG_MPI 11
1189#define FLAG_REGISTERED 12
1190#define FLAG_COMMIT 13
1191#define FLAG_RESET 14
1192#define FLAG_FLASHING 15
1193#define FLAG_WPA_CAPABLE 16
1194 unsigned long flags;
1195#define JOB_DIE 0
1196#define JOB_XMIT 1
1197#define JOB_XMIT11 2
1198#define JOB_STATS 3
1199#define JOB_PROMISC 4
1200#define JOB_MIC 5
1201#define JOB_EVENT 6
1202#define JOB_AUTOWEP 7
1203#define JOB_WSTATS 8
1204#define JOB_SCAN_RESULTS 9
1205 unsigned long jobs;
1206 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1207 int whichbap);
1208 unsigned short *flash;
1209 tdsRssiEntry *rssi;
1210 struct task_struct *list_bss_task;
1211 struct task_struct *airo_thread_task;
1212 struct semaphore sem;
1213 wait_queue_head_t thr_wait;
1214 unsigned long expires;
1215 struct {
1216 struct sk_buff *skb;
1217 int fid;
1218 } xmit, xmit11;
1219 struct net_device *wifidev;
1220 struct iw_statistics wstats; // wireless stats
1221 unsigned long scan_timeout; /* Time scan should be read */
1222 struct iw_spy_data spy_data;
1223 struct iw_public_data wireless_data;
1224 /* MIC stuff */
1225 struct crypto_sync_skcipher *tfm;
1226 mic_module mod[2];
1227 mic_statistics micstats;
1228 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1229 HostTxDesc txfids[MPI_MAX_FIDS];
1230 HostRidDesc config_desc;
1231 unsigned long ridbus; // phys addr of config_desc
1232 struct sk_buff_head txq;// tx queue used by mpi350 code
1233 struct pci_dev *pci;
1234 unsigned char __iomem *pcimem;
1235 unsigned char __iomem *pciaux;
1236 unsigned char *shared;
1237 dma_addr_t shared_dma;
1238 pm_message_t power;
1239 SsidRid *SSID;
1240 APListRid APList;
1241#define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1242 char proc_name[IFNAMSIZ];
1243
1244 int wep_capable;
1245 int max_wep_idx;
1246 int last_auth;
1247
1248 /* WPA-related stuff */
1249 unsigned int bssListFirst;
1250 unsigned int bssListNext;
1251 unsigned int bssListRidLen;
1252
1253 struct list_head network_list;
1254 struct list_head network_free_list;
1255 BSSListElement *networks;
1256};
1257
1258static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1259 int whichbap)
1260{
1261 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1262}
1263
1264static int setup_proc_entry( struct net_device *dev,
1265 struct airo_info *apriv );
1266static int takedown_proc_entry( struct net_device *dev,
1267 struct airo_info *apriv );
1268
1269static int cmdreset(struct airo_info *ai);
1270static int setflashmode (struct airo_info *ai);
1271static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1272static int flashputbuf(struct airo_info *ai);
1273static int flashrestart(struct airo_info *ai,struct net_device *dev);
1274
1275#define airo_print(type, name, fmt, args...) \
1276 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1277
1278#define airo_print_info(name, fmt, args...) \
1279 airo_print(KERN_INFO, name, fmt, ##args)
1280
1281#define airo_print_dbg(name, fmt, args...) \
1282 airo_print(KERN_DEBUG, name, fmt, ##args)
1283
1284#define airo_print_warn(name, fmt, args...) \
1285 airo_print(KERN_WARNING, name, fmt, ##args)
1286
1287#define airo_print_err(name, fmt, args...) \
1288 airo_print(KERN_ERR, name, fmt, ##args)
1289
1290#define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash)
1291
1292/***********************************************************************
1293 * MIC ROUTINES *
1294 ***********************************************************************
1295 */
1296
1297static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1298static void MoveWindow(miccntx *context, u32 micSeq);
1299static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1300 struct crypto_sync_skcipher *tfm);
1301static void emmh32_init(emmh32_context *context);
1302static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1303static void emmh32_final(emmh32_context *context, u8 digest[4]);
1304static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1305
1306static void age_mic_context(miccntx *cur, miccntx *old, u8 *key, int key_len,
1307 struct crypto_sync_skcipher *tfm)
1308{
1309 /* If the current MIC context is valid and its key is the same as
1310 * the MIC register, there's nothing to do.
1311 */
1312 if (cur->valid && (memcmp(cur->key, key, key_len) == 0))
1313 return;
1314
1315 /* Age current mic Context */
1316 memcpy(old, cur, sizeof(*cur));
1317
1318 /* Initialize new context */
1319 memcpy(cur->key, key, key_len);
1320 cur->window = 33; /* Window always points to the middle */
1321 cur->rx = 0; /* Rx Sequence numbers */
1322 cur->tx = 0; /* Tx sequence numbers */
1323 cur->valid = 1; /* Key is now valid */
1324
1325 /* Give key to mic seed */
1326 emmh32_setseed(&cur->seed, key, key_len, tfm);
1327}
1328
1329/* micinit - Initialize mic seed */
1330
1331static void micinit(struct airo_info *ai)
1332{
1333 MICRid mic_rid;
1334
1335 clear_bit(JOB_MIC, &ai->jobs);
1336 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1337 up(&ai->sem);
1338
1339 ai->micstats.enabled = (le16_to_cpu(mic_rid.state) & 0x00FF) ? 1 : 0;
1340 if (!ai->micstats.enabled) {
1341 /* So next time we have a valid key and mic is enabled, we will
1342 * update the sequence number if the key is the same as before.
1343 */
1344 ai->mod[0].uCtx.valid = 0;
1345 ai->mod[0].mCtx.valid = 0;
1346 return;
1347 }
1348
1349 if (mic_rid.multicastValid) {
1350 age_mic_context(&ai->mod[0].mCtx, &ai->mod[1].mCtx,
1351 mic_rid.multicast, sizeof(mic_rid.multicast),
1352 ai->tfm);
1353 }
1354
1355 if (mic_rid.unicastValid) {
1356 age_mic_context(&ai->mod[0].uCtx, &ai->mod[1].uCtx,
1357 mic_rid.unicast, sizeof(mic_rid.unicast),
1358 ai->tfm);
1359 }
1360}
1361
1362/* micsetup - Get ready for business */
1363
1364static int micsetup(struct airo_info *ai) {
1365 int i;
1366
1367 if (ai->tfm == NULL)
1368 ai->tfm = crypto_alloc_sync_skcipher("ctr(aes)", 0, 0);
1369
1370 if (IS_ERR(ai->tfm)) {
1371 airo_print_err(ai->dev->name, "failed to load transform for AES");
1372 ai->tfm = NULL;
1373 return ERROR;
1374 }
1375
1376 for (i=0; i < NUM_MODULES; i++) {
1377 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1378 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1379 }
1380 return SUCCESS;
1381}
1382
1383static const u8 micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1384
1385/*===========================================================================
1386 * Description: Mic a packet
1387 *
1388 * Inputs: etherHead * pointer to an 802.3 frame
1389 *
1390 * Returns: BOOLEAN if successful, otherwise false.
1391 * PacketTxLen will be updated with the mic'd packets size.
1392 *
1393 * Caveats: It is assumed that the frame buffer will already
1394 * be big enough to hold the largets mic message possible.
1395 * (No memory allocation is done here).
1396 *
1397 * Author: sbraneky (10/15/01)
1398 * Merciless hacks by rwilcher (1/14/02)
1399 */
1400
1401static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1402{
1403 miccntx *context;
1404
1405 // Determine correct context
1406 // If not adhoc, always use unicast key
1407
1408 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1409 context = &ai->mod[0].mCtx;
1410 else
1411 context = &ai->mod[0].uCtx;
1412
1413 if (!context->valid)
1414 return ERROR;
1415
1416 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1417
1418 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1419
1420 // Add Tx sequence
1421 mic->seq = htonl(context->tx);
1422 context->tx += 2;
1423
1424 emmh32_init(&context->seed); // Mic the packet
1425 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1426 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1427 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1428 emmh32_update(&context->seed,(u8*)(frame + 1),payLen); //payload
1429 emmh32_final(&context->seed, (u8*)&mic->mic);
1430
1431 /* New Type/length ?????????? */
1432 mic->typelen = 0; //Let NIC know it could be an oversized packet
1433 return SUCCESS;
1434}
1435
1436typedef enum {
1437 NONE,
1438 NOMIC,
1439 NOMICPLUMMED,
1440 SEQUENCE,
1441 INCORRECTMIC,
1442} mic_error;
1443
1444/*===========================================================================
1445 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1446 * (removes the MIC stuff) if packet is a valid packet.
1447 *
1448 * Inputs: etherHead pointer to the 802.3 packet
1449 *
1450 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1451 *
1452 * Author: sbraneky (10/15/01)
1453 * Merciless hacks by rwilcher (1/14/02)
1454 *---------------------------------------------------------------------------
1455 */
1456
1457static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1458{
1459 int i;
1460 u32 micSEQ;
1461 miccntx *context;
1462 u8 digest[4];
1463 mic_error micError = NONE;
1464
1465 // Check if the packet is a Mic'd packet
1466
1467 if (!ai->micstats.enabled) {
1468 //No Mic set or Mic OFF but we received a MIC'd packet.
1469 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1470 ai->micstats.rxMICPlummed++;
1471 return ERROR;
1472 }
1473 return SUCCESS;
1474 }
1475
1476 if (ntohs(mic->typelen) == 0x888E)
1477 return SUCCESS;
1478
1479 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1480 // Mic enabled but packet isn't Mic'd
1481 ai->micstats.rxMICPlummed++;
1482 return ERROR;
1483 }
1484
1485 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1486
1487 //At this point we a have a mic'd packet and mic is enabled
1488 //Now do the mic error checking.
1489
1490 //Receive seq must be odd
1491 if ( (micSEQ & 1) == 0 ) {
1492 ai->micstats.rxWrongSequence++;
1493 return ERROR;
1494 }
1495
1496 for (i = 0; i < NUM_MODULES; i++) {
1497 int mcast = eth->da[0] & 1;
1498 //Determine proper context
1499 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1500
1501 //Make sure context is valid
1502 if (!context->valid) {
1503 if (i == 0)
1504 micError = NOMICPLUMMED;
1505 continue;
1506 }
1507 //DeMic it
1508
1509 if (!mic->typelen)
1510 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1511
1512 emmh32_init(&context->seed);
1513 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1514 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1515 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1516 emmh32_update(&context->seed, (u8 *)(eth + 1),payLen);
1517 //Calculate MIC
1518 emmh32_final(&context->seed, digest);
1519
1520 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1521 //Invalid Mic
1522 if (i == 0)
1523 micError = INCORRECTMIC;
1524 continue;
1525 }
1526
1527 //Check Sequence number if mics pass
1528 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1529 ai->micstats.rxSuccess++;
1530 return SUCCESS;
1531 }
1532 if (i == 0)
1533 micError = SEQUENCE;
1534 }
1535
1536 // Update statistics
1537 switch (micError) {
1538 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1539 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1540 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1541 case NONE: break;
1542 case NOMIC: break;
1543 }
1544 return ERROR;
1545}
1546
1547/*===========================================================================
1548 * Description: Checks the Rx Seq number to make sure it is valid
1549 * and hasn't already been received
1550 *
1551 * Inputs: miccntx - mic context to check seq against
1552 * micSeq - the Mic seq number
1553 *
1554 * Returns: TRUE if valid otherwise FALSE.
1555 *
1556 * Author: sbraneky (10/15/01)
1557 * Merciless hacks by rwilcher (1/14/02)
1558 *---------------------------------------------------------------------------
1559 */
1560
1561static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1562{
1563 u32 seq,index;
1564
1565 //Allow for the ap being rebooted - if it is then use the next
1566 //sequence number of the current sequence number - might go backwards
1567
1568 if (mcast) {
1569 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1570 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1571 context->window = (micSeq > 33) ? micSeq : 33;
1572 context->rx = 0; // Reset rx
1573 }
1574 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1575 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1576 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1577 context->rx = 0; // Reset rx
1578 }
1579
1580 //Make sequence number relative to START of window
1581 seq = micSeq - (context->window - 33);
1582
1583 //Too old of a SEQ number to check.
1584 if ((s32)seq < 0)
1585 return ERROR;
1586
1587 if ( seq > 64 ) {
1588 //Window is infinite forward
1589 MoveWindow(context,micSeq);
1590 return SUCCESS;
1591 }
1592
1593 // We are in the window. Now check the context rx bit to see if it was already sent
1594 seq >>= 1; //divide by 2 because we only have odd numbers
1595 index = 1 << seq; //Get an index number
1596
1597 if (!(context->rx & index)) {
1598 //micSEQ falls inside the window.
1599 //Add seqence number to the list of received numbers.
1600 context->rx |= index;
1601
1602 MoveWindow(context,micSeq);
1603
1604 return SUCCESS;
1605 }
1606 return ERROR;
1607}
1608
1609static void MoveWindow(miccntx *context, u32 micSeq)
1610{
1611 u32 shift;
1612
1613 //Move window if seq greater than the middle of the window
1614 if (micSeq > context->window) {
1615 shift = (micSeq - context->window) >> 1;
1616
1617 //Shift out old
1618 if (shift < 32)
1619 context->rx >>= shift;
1620 else
1621 context->rx = 0;
1622
1623 context->window = micSeq; //Move window
1624 }
1625}
1626
1627/*==============================================*/
1628/*========== EMMH ROUTINES ====================*/
1629/*==============================================*/
1630
1631/* mic accumulate */
1632#define MIC_ACCUM(val) \
1633 context->accum += (u64)(val) * be32_to_cpu(context->coeff[coeff_position++]);
1634
1635/* expand the key to fill the MMH coefficient array */
1636static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1637 struct crypto_sync_skcipher *tfm)
1638{
1639 /* take the keying material, expand if necessary, truncate at 16-bytes */
1640 /* run through AES counter mode to generate context->coeff[] */
1641
1642 SYNC_SKCIPHER_REQUEST_ON_STACK(req, tfm);
1643 struct scatterlist sg;
1644 u8 iv[AES_BLOCK_SIZE] = {};
1645 int ret;
1646
1647 crypto_sync_skcipher_setkey(tfm, pkey, 16);
1648
1649 memset(context->coeff, 0, sizeof(context->coeff));
1650 sg_init_one(&sg, context->coeff, sizeof(context->coeff));
1651
1652 skcipher_request_set_sync_tfm(req, tfm);
1653 skcipher_request_set_callback(req, 0, NULL, NULL);
1654 skcipher_request_set_crypt(req, &sg, &sg, sizeof(context->coeff), iv);
1655
1656 ret = crypto_skcipher_encrypt(req);
1657 WARN_ON_ONCE(ret);
1658}
1659
1660/* prepare for calculation of a new mic */
1661static void emmh32_init(emmh32_context *context)
1662{
1663 /* prepare for new mic calculation */
1664 context->accum = 0;
1665 context->position = 0;
1666}
1667
1668/* add some bytes to the mic calculation */
1669static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1670{
1671 int coeff_position, byte_position;
1672
1673 if (len == 0) return;
1674
1675 coeff_position = context->position >> 2;
1676
1677 /* deal with partial 32-bit word left over from last update */
1678 byte_position = context->position & 3;
1679 if (byte_position) {
1680 /* have a partial word in part to deal with */
1681 do {
1682 if (len == 0) return;
1683 context->part.d8[byte_position++] = *pOctets++;
1684 context->position++;
1685 len--;
1686 } while (byte_position < 4);
1687 MIC_ACCUM(ntohl(context->part.d32));
1688 }
1689
1690 /* deal with full 32-bit words */
1691 while (len >= 4) {
1692 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1693 context->position += 4;
1694 pOctets += 4;
1695 len -= 4;
1696 }
1697
1698 /* deal with partial 32-bit word that will be left over from this update */
1699 byte_position = 0;
1700 while (len > 0) {
1701 context->part.d8[byte_position++] = *pOctets++;
1702 context->position++;
1703 len--;
1704 }
1705}
1706
1707/* mask used to zero empty bytes for final partial word */
1708static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1709
1710/* calculate the mic */
1711static void emmh32_final(emmh32_context *context, u8 digest[4])
1712{
1713 int coeff_position, byte_position;
1714 u32 val;
1715
1716 u64 sum, utmp;
1717 s64 stmp;
1718
1719 coeff_position = context->position >> 2;
1720
1721 /* deal with partial 32-bit word left over from last update */
1722 byte_position = context->position & 3;
1723 if (byte_position) {
1724 /* have a partial word in part to deal with */
1725 val = ntohl(context->part.d32);
1726 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1727 }
1728
1729 /* reduce the accumulated u64 to a 32-bit MIC */
1730 sum = context->accum;
1731 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1732 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1733 sum = utmp & 0xffffffffLL;
1734 if (utmp > 0x10000000fLL)
1735 sum -= 15;
1736
1737 val = (u32)sum;
1738 digest[0] = (val>>24) & 0xFF;
1739 digest[1] = (val>>16) & 0xFF;
1740 digest[2] = (val>>8) & 0xFF;
1741 digest[3] = val & 0xFF;
1742}
1743
1744static int readBSSListRid(struct airo_info *ai, int first,
1745 BSSListRid *list)
1746{
1747 Cmd cmd;
1748 Resp rsp;
1749
1750 if (first == 1) {
1751 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1752 memset(&cmd, 0, sizeof(cmd));
1753 cmd.cmd=CMD_LISTBSS;
1754 if (down_interruptible(&ai->sem))
1755 return -ERESTARTSYS;
1756 ai->list_bss_task = current;
1757 issuecommand(ai, &cmd, &rsp);
1758 up(&ai->sem);
1759 /* Let the command take effect */
1760 schedule_timeout_uninterruptible(3 * HZ);
1761 ai->list_bss_task = NULL;
1762 }
1763 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1764 list, ai->bssListRidLen, 1);
1765}
1766
1767static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1768{
1769 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1770 wkr, sizeof(*wkr), lock);
1771}
1772
1773static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1774{
1775 int rc;
1776 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1777 if (rc!=SUCCESS)
1778 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1779 if (perm) {
1780 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1781 if (rc!=SUCCESS)
1782 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1783 }
1784 return rc;
1785}
1786
1787static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1788{
1789 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1790}
1791
1792static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1793{
1794 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1795}
1796
1797static int readConfigRid(struct airo_info *ai, int lock)
1798{
1799 int rc;
1800 ConfigRid cfg;
1801
1802 if (ai->config.len)
1803 return SUCCESS;
1804
1805 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1806 if (rc != SUCCESS)
1807 return rc;
1808
1809 ai->config = cfg;
1810 return SUCCESS;
1811}
1812
1813static inline void checkThrottle(struct airo_info *ai)
1814{
1815 int i;
1816/* Old hardware had a limit on encryption speed */
1817 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1818 for(i=0; i<8; i++) {
1819 if (ai->config.rates[i] > maxencrypt) {
1820 ai->config.rates[i] = 0;
1821 }
1822 }
1823 }
1824}
1825
1826static int writeConfigRid(struct airo_info *ai, int lock)
1827{
1828 ConfigRid cfgr;
1829
1830 if (!test_bit (FLAG_COMMIT, &ai->flags))
1831 return SUCCESS;
1832
1833 clear_bit (FLAG_COMMIT, &ai->flags);
1834 clear_bit (FLAG_RESET, &ai->flags);
1835 checkThrottle(ai);
1836 cfgr = ai->config;
1837
1838 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1839 set_bit(FLAG_ADHOC, &ai->flags);
1840 else
1841 clear_bit(FLAG_ADHOC, &ai->flags);
1842
1843 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1844}
1845
1846static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1847{
1848 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1849}
1850
1851static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1852{
1853 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1854}
1855
1856static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1857{
1858 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1859}
1860
1861static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1862{
1863 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1864}
1865
1866static void try_auto_wep(struct airo_info *ai)
1867{
1868 if (auto_wep && !test_bit(FLAG_RADIO_DOWN, &ai->flags)) {
1869 ai->expires = RUN_AT(3*HZ);
1870 wake_up_interruptible(&ai->thr_wait);
1871 }
1872}
1873
1874static int airo_open(struct net_device *dev) {
1875 struct airo_info *ai = dev->ml_priv;
1876 int rc = 0;
1877
1878 if (test_bit(FLAG_FLASHING, &ai->flags))
1879 return -EIO;
1880
1881 /* Make sure the card is configured.
1882 * Wireless Extensions may postpone config changes until the card
1883 * is open (to pipeline changes and speed-up card setup). If
1884 * those changes are not yet committed, do it now - Jean II */
1885 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1886 disable_MAC(ai, 1);
1887 writeConfigRid(ai, 1);
1888 }
1889
1890 if (ai->wifidev != dev) {
1891 clear_bit(JOB_DIE, &ai->jobs);
1892 ai->airo_thread_task = kthread_run(airo_thread, dev, "%s",
1893 dev->name);
1894 if (IS_ERR(ai->airo_thread_task))
1895 return (int)PTR_ERR(ai->airo_thread_task);
1896
1897 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1898 dev->name, dev);
1899 if (rc) {
1900 airo_print_err(dev->name,
1901 "register interrupt %d failed, rc %d",
1902 dev->irq, rc);
1903 set_bit(JOB_DIE, &ai->jobs);
1904 kthread_stop(ai->airo_thread_task);
1905 return rc;
1906 }
1907
1908 /* Power on the MAC controller (which may have been disabled) */
1909 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1910 enable_interrupts(ai);
1911
1912 try_auto_wep(ai);
1913 }
1914 enable_MAC(ai, 1);
1915
1916 netif_start_queue(dev);
1917 return 0;
1918}
1919
1920static netdev_tx_t mpi_start_xmit(struct sk_buff *skb,
1921 struct net_device *dev)
1922{
1923 int npacks, pending;
1924 unsigned long flags;
1925 struct airo_info *ai = dev->ml_priv;
1926
1927 if (!skb) {
1928 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
1929 return NETDEV_TX_OK;
1930 }
1931 if (skb_padto(skb, ETH_ZLEN)) {
1932 dev->stats.tx_dropped++;
1933 return NETDEV_TX_OK;
1934 }
1935 npacks = skb_queue_len (&ai->txq);
1936
1937 if (npacks >= MAXTXQ - 1) {
1938 netif_stop_queue (dev);
1939 if (npacks > MAXTXQ) {
1940 dev->stats.tx_fifo_errors++;
1941 return NETDEV_TX_BUSY;
1942 }
1943 skb_queue_tail (&ai->txq, skb);
1944 return NETDEV_TX_OK;
1945 }
1946
1947 spin_lock_irqsave(&ai->aux_lock, flags);
1948 skb_queue_tail (&ai->txq, skb);
1949 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1950 spin_unlock_irqrestore(&ai->aux_lock,flags);
1951 netif_wake_queue (dev);
1952
1953 if (pending == 0) {
1954 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1955 mpi_send_packet (dev);
1956 }
1957 return NETDEV_TX_OK;
1958}
1959
1960/*
1961 * @mpi_send_packet
1962 *
1963 * Attempt to transmit a packet. Can be called from interrupt
1964 * or transmit . return number of packets we tried to send
1965 */
1966
1967static int mpi_send_packet (struct net_device *dev)
1968{
1969 struct sk_buff *skb;
1970 unsigned char *buffer;
1971 s16 len;
1972 __le16 *payloadLen;
1973 struct airo_info *ai = dev->ml_priv;
1974 u8 *sendbuf;
1975
1976 /* get a packet to send */
1977
1978 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1979 airo_print_err(dev->name,
1980 "%s: Dequeue'd zero in send_packet()",
1981 __func__);
1982 return 0;
1983 }
1984
1985 /* check min length*/
1986 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1987 buffer = skb->data;
1988
1989 ai->txfids[0].tx_desc.offset = 0;
1990 ai->txfids[0].tx_desc.valid = 1;
1991 ai->txfids[0].tx_desc.eoc = 1;
1992 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1993
1994/*
1995 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1996 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1997 * is immediately after it. ------------------------------------------------
1998 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1999 * ------------------------------------------------
2000 */
2001
2002 memcpy(ai->txfids[0].virtual_host_addr,
2003 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2004
2005 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
2006 sizeof(wifictlhdr8023));
2007 sendbuf = ai->txfids[0].virtual_host_addr +
2008 sizeof(wifictlhdr8023) + 2 ;
2009
2010 /*
2011 * Firmware automatically puts 802 header on so
2012 * we don't need to account for it in the length
2013 */
2014 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2015 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2016 MICBuffer pMic;
2017
2018 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2019 return ERROR;
2020
2021 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2022 ai->txfids[0].tx_desc.len += sizeof(pMic);
2023 /* copy data into airo dma buffer */
2024 memcpy (sendbuf, buffer, sizeof(etherHead));
2025 buffer += sizeof(etherHead);
2026 sendbuf += sizeof(etherHead);
2027 memcpy (sendbuf, &pMic, sizeof(pMic));
2028 sendbuf += sizeof(pMic);
2029 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2030 } else {
2031 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2032
2033 netif_trans_update(dev);
2034
2035 /* copy data into airo dma buffer */
2036 memcpy(sendbuf, buffer, len);
2037 }
2038
2039 memcpy_toio(ai->txfids[0].card_ram_off,
2040 &ai->txfids[0].tx_desc, sizeof(TxFid));
2041
2042 OUT4500(ai, EVACK, 8);
2043
2044 dev_kfree_skb_any(skb);
2045 return 1;
2046}
2047
2048static void get_tx_error(struct airo_info *ai, s32 fid)
2049{
2050 __le16 status;
2051
2052 if (fid < 0)
2053 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2054 else {
2055 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2056 return;
2057 bap_read(ai, &status, 2, BAP0);
2058 }
2059 if (le16_to_cpu(status) & 2) /* Too many retries */
2060 ai->dev->stats.tx_aborted_errors++;
2061 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2062 ai->dev->stats.tx_heartbeat_errors++;
2063 if (le16_to_cpu(status) & 8) /* Aid fail */
2064 { }
2065 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2066 ai->dev->stats.tx_carrier_errors++;
2067 if (le16_to_cpu(status) & 0x20) /* Association lost */
2068 { }
2069 /* We produce a TXDROP event only for retry or lifetime
2070 * exceeded, because that's the only status that really mean
2071 * that this particular node went away.
2072 * Other errors means that *we* screwed up. - Jean II */
2073 if ((le16_to_cpu(status) & 2) ||
2074 (le16_to_cpu(status) & 4)) {
2075 union iwreq_data wrqu;
2076 char junk[0x18];
2077
2078 /* Faster to skip over useless data than to do
2079 * another bap_setup(). We are at offset 0x6 and
2080 * need to go to 0x18 and read 6 bytes - Jean II */
2081 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2082
2083 /* Copy 802.11 dest address.
2084 * We use the 802.11 header because the frame may
2085 * not be 802.3 or may be mangled...
2086 * In Ad-Hoc mode, it will be the node address.
2087 * In managed mode, it will be most likely the AP addr
2088 * User space will figure out how to convert it to
2089 * whatever it needs (IP address or else).
2090 * - Jean II */
2091 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2092 wrqu.addr.sa_family = ARPHRD_ETHER;
2093
2094 /* Send event to user space */
2095 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2096 }
2097}
2098
2099static void airo_end_xmit(struct net_device *dev) {
2100 u16 status;
2101 int i;
2102 struct airo_info *priv = dev->ml_priv;
2103 struct sk_buff *skb = priv->xmit.skb;
2104 int fid = priv->xmit.fid;
2105 u32 *fids = priv->fids;
2106
2107 clear_bit(JOB_XMIT, &priv->jobs);
2108 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2109 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2110 up(&priv->sem);
2111
2112 i = 0;
2113 if ( status == SUCCESS ) {
2114 netif_trans_update(dev);
2115 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2116 } else {
2117 priv->fids[fid] &= 0xffff;
2118 dev->stats.tx_window_errors++;
2119 }
2120 if (i < MAX_FIDS / 2)
2121 netif_wake_queue(dev);
2122 dev_kfree_skb(skb);
2123}
2124
2125static netdev_tx_t airo_start_xmit(struct sk_buff *skb,
2126 struct net_device *dev)
2127{
2128 s16 len;
2129 int i, j;
2130 struct airo_info *priv = dev->ml_priv;
2131 u32 *fids = priv->fids;
2132
2133 if ( skb == NULL ) {
2134 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2135 return NETDEV_TX_OK;
2136 }
2137 if (skb_padto(skb, ETH_ZLEN)) {
2138 dev->stats.tx_dropped++;
2139 return NETDEV_TX_OK;
2140 }
2141
2142 /* Find a vacant FID */
2143 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2144 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2145
2146 if ( j >= MAX_FIDS / 2 ) {
2147 netif_stop_queue(dev);
2148
2149 if (i == MAX_FIDS / 2) {
2150 dev->stats.tx_fifo_errors++;
2151 return NETDEV_TX_BUSY;
2152 }
2153 }
2154 /* check min length*/
2155 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2156 /* Mark fid as used & save length for later */
2157 fids[i] |= (len << 16);
2158 priv->xmit.skb = skb;
2159 priv->xmit.fid = i;
2160 if (down_trylock(&priv->sem) != 0) {
2161 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2162 netif_stop_queue(dev);
2163 set_bit(JOB_XMIT, &priv->jobs);
2164 wake_up_interruptible(&priv->thr_wait);
2165 } else
2166 airo_end_xmit(dev);
2167 return NETDEV_TX_OK;
2168}
2169
2170static void airo_end_xmit11(struct net_device *dev) {
2171 u16 status;
2172 int i;
2173 struct airo_info *priv = dev->ml_priv;
2174 struct sk_buff *skb = priv->xmit11.skb;
2175 int fid = priv->xmit11.fid;
2176 u32 *fids = priv->fids;
2177
2178 clear_bit(JOB_XMIT11, &priv->jobs);
2179 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2180 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2181 up(&priv->sem);
2182
2183 i = MAX_FIDS / 2;
2184 if ( status == SUCCESS ) {
2185 netif_trans_update(dev);
2186 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2187 } else {
2188 priv->fids[fid] &= 0xffff;
2189 dev->stats.tx_window_errors++;
2190 }
2191 if (i < MAX_FIDS)
2192 netif_wake_queue(dev);
2193 dev_kfree_skb(skb);
2194}
2195
2196static netdev_tx_t airo_start_xmit11(struct sk_buff *skb,
2197 struct net_device *dev)
2198{
2199 s16 len;
2200 int i, j;
2201 struct airo_info *priv = dev->ml_priv;
2202 u32 *fids = priv->fids;
2203
2204 if (test_bit(FLAG_MPI, &priv->flags)) {
2205 /* Not implemented yet for MPI350 */
2206 netif_stop_queue(dev);
2207 dev_kfree_skb_any(skb);
2208 return NETDEV_TX_OK;
2209 }
2210
2211 if ( skb == NULL ) {
2212 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2213 return NETDEV_TX_OK;
2214 }
2215 if (skb_padto(skb, ETH_ZLEN)) {
2216 dev->stats.tx_dropped++;
2217 return NETDEV_TX_OK;
2218 }
2219
2220 /* Find a vacant FID */
2221 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2222 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2223
2224 if ( j >= MAX_FIDS ) {
2225 netif_stop_queue(dev);
2226
2227 if (i == MAX_FIDS) {
2228 dev->stats.tx_fifo_errors++;
2229 return NETDEV_TX_BUSY;
2230 }
2231 }
2232 /* check min length*/
2233 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2234 /* Mark fid as used & save length for later */
2235 fids[i] |= (len << 16);
2236 priv->xmit11.skb = skb;
2237 priv->xmit11.fid = i;
2238 if (down_trylock(&priv->sem) != 0) {
2239 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2240 netif_stop_queue(dev);
2241 set_bit(JOB_XMIT11, &priv->jobs);
2242 wake_up_interruptible(&priv->thr_wait);
2243 } else
2244 airo_end_xmit11(dev);
2245 return NETDEV_TX_OK;
2246}
2247
2248static void airo_read_stats(struct net_device *dev)
2249{
2250 struct airo_info *ai = dev->ml_priv;
2251 StatsRid stats_rid;
2252 __le32 *vals = stats_rid.vals;
2253
2254 clear_bit(JOB_STATS, &ai->jobs);
2255 if (ai->power.event) {
2256 up(&ai->sem);
2257 return;
2258 }
2259 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2260 up(&ai->sem);
2261
2262 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2263 le32_to_cpu(vals[45]);
2264 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2265 le32_to_cpu(vals[41]);
2266 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2267 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2268 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2269 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2270 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2271 dev->stats.tx_fifo_errors;
2272 dev->stats.multicast = le32_to_cpu(vals[43]);
2273 dev->stats.collisions = le32_to_cpu(vals[89]);
2274
2275 /* detailed rx_errors: */
2276 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2277 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2278 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2279 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
2280}
2281
2282static struct net_device_stats *airo_get_stats(struct net_device *dev)
2283{
2284 struct airo_info *local = dev->ml_priv;
2285
2286 if (!test_bit(JOB_STATS, &local->jobs)) {
2287 /* Get stats out of the card if available */
2288 if (down_trylock(&local->sem) != 0) {
2289 set_bit(JOB_STATS, &local->jobs);
2290 wake_up_interruptible(&local->thr_wait);
2291 } else
2292 airo_read_stats(dev);
2293 }
2294
2295 return &dev->stats;
2296}
2297
2298static void airo_set_promisc(struct airo_info *ai) {
2299 Cmd cmd;
2300 Resp rsp;
2301
2302 memset(&cmd, 0, sizeof(cmd));
2303 cmd.cmd=CMD_SETMODE;
2304 clear_bit(JOB_PROMISC, &ai->jobs);
2305 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2306 issuecommand(ai, &cmd, &rsp);
2307 up(&ai->sem);
2308}
2309
2310static void airo_set_multicast_list(struct net_device *dev) {
2311 struct airo_info *ai = dev->ml_priv;
2312
2313 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2314 change_bit(FLAG_PROMISC, &ai->flags);
2315 if (down_trylock(&ai->sem) != 0) {
2316 set_bit(JOB_PROMISC, &ai->jobs);
2317 wake_up_interruptible(&ai->thr_wait);
2318 } else
2319 airo_set_promisc(ai);
2320 }
2321
2322 if ((dev->flags&IFF_ALLMULTI) || !netdev_mc_empty(dev)) {
2323 /* Turn on multicast. (Should be already setup...) */
2324 }
2325}
2326
2327static int airo_set_mac_address(struct net_device *dev, void *p)
2328{
2329 struct airo_info *ai = dev->ml_priv;
2330 struct sockaddr *addr = p;
2331
2332 readConfigRid(ai, 1);
2333 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2334 set_bit (FLAG_COMMIT, &ai->flags);
2335 disable_MAC(ai, 1);
2336 writeConfigRid (ai, 1);
2337 enable_MAC(ai, 1);
2338 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2339 if (ai->wifidev)
2340 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2341 return 0;
2342}
2343
2344static LIST_HEAD(airo_devices);
2345
2346static void add_airo_dev(struct airo_info *ai)
2347{
2348 /* Upper layers already keep track of PCI devices,
2349 * so we only need to remember our non-PCI cards. */
2350 if (!ai->pci)
2351 list_add_tail(&ai->dev_list, &airo_devices);
2352}
2353
2354static void del_airo_dev(struct airo_info *ai)
2355{
2356 if (!ai->pci)
2357 list_del(&ai->dev_list);
2358}
2359
2360static int airo_close(struct net_device *dev) {
2361 struct airo_info *ai = dev->ml_priv;
2362
2363 netif_stop_queue(dev);
2364
2365 if (ai->wifidev != dev) {
2366#ifdef POWER_ON_DOWN
2367 /* Shut power to the card. The idea is that the user can save
2368 * power when he doesn't need the card with "ifconfig down".
2369 * That's the method that is most friendly towards the network
2370 * stack (i.e. the network stack won't try to broadcast
2371 * anything on the interface and routes are gone. Jean II */
2372 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2373 disable_MAC(ai, 1);
2374#endif
2375 disable_interrupts( ai );
2376
2377 free_irq(dev->irq, dev);
2378
2379 set_bit(JOB_DIE, &ai->jobs);
2380 kthread_stop(ai->airo_thread_task);
2381 }
2382 return 0;
2383}
2384
2385void stop_airo_card( struct net_device *dev, int freeres )
2386{
2387 struct airo_info *ai = dev->ml_priv;
2388
2389 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2390 disable_MAC(ai, 1);
2391 disable_interrupts(ai);
2392 takedown_proc_entry( dev, ai );
2393 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2394 unregister_netdev( dev );
2395 if (ai->wifidev) {
2396 unregister_netdev(ai->wifidev);
2397 free_netdev(ai->wifidev);
2398 ai->wifidev = NULL;
2399 }
2400 clear_bit(FLAG_REGISTERED, &ai->flags);
2401 }
2402 /*
2403 * Clean out tx queue
2404 */
2405 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2406 struct sk_buff *skb = NULL;
2407 for (;(skb = skb_dequeue(&ai->txq));)
2408 dev_kfree_skb(skb);
2409 }
2410
2411 airo_networks_free (ai);
2412
2413 kfree(ai->flash);
2414 kfree(ai->rssi);
2415 kfree(ai->SSID);
2416 if (freeres) {
2417 /* PCMCIA frees this stuff, so only for PCI and ISA */
2418 release_region( dev->base_addr, 64 );
2419 if (test_bit(FLAG_MPI, &ai->flags)) {
2420 if (ai->pci)
2421 mpi_unmap_card(ai->pci);
2422 if (ai->pcimem)
2423 iounmap(ai->pcimem);
2424 if (ai->pciaux)
2425 iounmap(ai->pciaux);
2426 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2427 ai->shared, ai->shared_dma);
2428 }
2429 }
2430 crypto_free_sync_skcipher(ai->tfm);
2431 del_airo_dev(ai);
2432 free_netdev( dev );
2433}
2434
2435EXPORT_SYMBOL(stop_airo_card);
2436
2437static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2438{
2439 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2440 return ETH_ALEN;
2441}
2442
2443static void mpi_unmap_card(struct pci_dev *pci)
2444{
2445 unsigned long mem_start = pci_resource_start(pci, 1);
2446 unsigned long mem_len = pci_resource_len(pci, 1);
2447 unsigned long aux_start = pci_resource_start(pci, 2);
2448 unsigned long aux_len = AUXMEMSIZE;
2449
2450 release_mem_region(aux_start, aux_len);
2451 release_mem_region(mem_start, mem_len);
2452}
2453
2454/*************************************************************
2455 * This routine assumes that descriptors have been setup .
2456 * Run at insmod time or after reset when the descriptors
2457 * have been initialized . Returns 0 if all is well nz
2458 * otherwise . Does not allocate memory but sets up card
2459 * using previously allocated descriptors.
2460 */
2461static int mpi_init_descriptors (struct airo_info *ai)
2462{
2463 Cmd cmd;
2464 Resp rsp;
2465 int i;
2466 int rc = SUCCESS;
2467
2468 /* Alloc card RX descriptors */
2469 netif_stop_queue(ai->dev);
2470
2471 memset(&rsp,0,sizeof(rsp));
2472 memset(&cmd,0,sizeof(cmd));
2473
2474 cmd.cmd = CMD_ALLOCATEAUX;
2475 cmd.parm0 = FID_RX;
2476 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2477 cmd.parm2 = MPI_MAX_FIDS;
2478 rc=issuecommand(ai, &cmd, &rsp);
2479 if (rc != SUCCESS) {
2480 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2481 return rc;
2482 }
2483
2484 for (i=0; i<MPI_MAX_FIDS; i++) {
2485 memcpy_toio(ai->rxfids[i].card_ram_off,
2486 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2487 }
2488
2489 /* Alloc card TX descriptors */
2490
2491 memset(&rsp,0,sizeof(rsp));
2492 memset(&cmd,0,sizeof(cmd));
2493
2494 cmd.cmd = CMD_ALLOCATEAUX;
2495 cmd.parm0 = FID_TX;
2496 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2497 cmd.parm2 = MPI_MAX_FIDS;
2498
2499 for (i=0; i<MPI_MAX_FIDS; i++) {
2500 ai->txfids[i].tx_desc.valid = 1;
2501 memcpy_toio(ai->txfids[i].card_ram_off,
2502 &ai->txfids[i].tx_desc, sizeof(TxFid));
2503 }
2504 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2505
2506 rc=issuecommand(ai, &cmd, &rsp);
2507 if (rc != SUCCESS) {
2508 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2509 return rc;
2510 }
2511
2512 /* Alloc card Rid descriptor */
2513 memset(&rsp,0,sizeof(rsp));
2514 memset(&cmd,0,sizeof(cmd));
2515
2516 cmd.cmd = CMD_ALLOCATEAUX;
2517 cmd.parm0 = RID_RW;
2518 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2519 cmd.parm2 = 1; /* Magic number... */
2520 rc=issuecommand(ai, &cmd, &rsp);
2521 if (rc != SUCCESS) {
2522 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2523 return rc;
2524 }
2525
2526 memcpy_toio(ai->config_desc.card_ram_off,
2527 &ai->config_desc.rid_desc, sizeof(Rid));
2528
2529 return rc;
2530}
2531
2532/*
2533 * We are setting up three things here:
2534 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2535 * 2) Map PCI memory for issuing commands.
2536 * 3) Allocate memory (shared) to send and receive ethernet frames.
2537 */
2538static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2539{
2540 unsigned long mem_start, mem_len, aux_start, aux_len;
2541 int rc = -1;
2542 int i;
2543 dma_addr_t busaddroff;
2544 unsigned char *vpackoff;
2545 unsigned char __iomem *pciaddroff;
2546
2547 mem_start = pci_resource_start(pci, 1);
2548 mem_len = pci_resource_len(pci, 1);
2549 aux_start = pci_resource_start(pci, 2);
2550 aux_len = AUXMEMSIZE;
2551
2552 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2553 airo_print_err("", "Couldn't get region %x[%x]",
2554 (int)mem_start, (int)mem_len);
2555 goto out;
2556 }
2557 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2558 airo_print_err("", "Couldn't get region %x[%x]",
2559 (int)aux_start, (int)aux_len);
2560 goto free_region1;
2561 }
2562
2563 ai->pcimem = ioremap(mem_start, mem_len);
2564 if (!ai->pcimem) {
2565 airo_print_err("", "Couldn't map region %x[%x]",
2566 (int)mem_start, (int)mem_len);
2567 goto free_region2;
2568 }
2569 ai->pciaux = ioremap(aux_start, aux_len);
2570 if (!ai->pciaux) {
2571 airo_print_err("", "Couldn't map region %x[%x]",
2572 (int)aux_start, (int)aux_len);
2573 goto free_memmap;
2574 }
2575
2576 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2577 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2578 if (!ai->shared) {
2579 airo_print_err("", "Couldn't alloc_consistent %d",
2580 PCI_SHARED_LEN);
2581 goto free_auxmap;
2582 }
2583
2584 /*
2585 * Setup descriptor RX, TX, CONFIG
2586 */
2587 busaddroff = ai->shared_dma;
2588 pciaddroff = ai->pciaux + AUX_OFFSET;
2589 vpackoff = ai->shared;
2590
2591 /* RX descriptor setup */
2592 for(i = 0; i < MPI_MAX_FIDS; i++) {
2593 ai->rxfids[i].pending = 0;
2594 ai->rxfids[i].card_ram_off = pciaddroff;
2595 ai->rxfids[i].virtual_host_addr = vpackoff;
2596 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2597 ai->rxfids[i].rx_desc.valid = 1;
2598 ai->rxfids[i].rx_desc.len = PKTSIZE;
2599 ai->rxfids[i].rx_desc.rdy = 0;
2600
2601 pciaddroff += sizeof(RxFid);
2602 busaddroff += PKTSIZE;
2603 vpackoff += PKTSIZE;
2604 }
2605
2606 /* TX descriptor setup */
2607 for(i = 0; i < MPI_MAX_FIDS; i++) {
2608 ai->txfids[i].card_ram_off = pciaddroff;
2609 ai->txfids[i].virtual_host_addr = vpackoff;
2610 ai->txfids[i].tx_desc.valid = 1;
2611 ai->txfids[i].tx_desc.host_addr = busaddroff;
2612 memcpy(ai->txfids[i].virtual_host_addr,
2613 &wifictlhdr8023, sizeof(wifictlhdr8023));
2614
2615 pciaddroff += sizeof(TxFid);
2616 busaddroff += PKTSIZE;
2617 vpackoff += PKTSIZE;
2618 }
2619 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2620
2621 /* Rid descriptor setup */
2622 ai->config_desc.card_ram_off = pciaddroff;
2623 ai->config_desc.virtual_host_addr = vpackoff;
2624 ai->config_desc.rid_desc.host_addr = busaddroff;
2625 ai->ridbus = busaddroff;
2626 ai->config_desc.rid_desc.rid = 0;
2627 ai->config_desc.rid_desc.len = RIDSIZE;
2628 ai->config_desc.rid_desc.valid = 1;
2629 pciaddroff += sizeof(Rid);
2630 busaddroff += RIDSIZE;
2631 vpackoff += RIDSIZE;
2632
2633 /* Tell card about descriptors */
2634 if (mpi_init_descriptors (ai) != SUCCESS)
2635 goto free_shared;
2636
2637 return 0;
2638 free_shared:
2639 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2640 free_auxmap:
2641 iounmap(ai->pciaux);
2642 free_memmap:
2643 iounmap(ai->pcimem);
2644 free_region2:
2645 release_mem_region(aux_start, aux_len);
2646 free_region1:
2647 release_mem_region(mem_start, mem_len);
2648 out:
2649 return rc;
2650}
2651
2652static const struct header_ops airo_header_ops = {
2653 .parse = wll_header_parse,
2654};
2655
2656static const struct net_device_ops airo11_netdev_ops = {
2657 .ndo_open = airo_open,
2658 .ndo_stop = airo_close,
2659 .ndo_start_xmit = airo_start_xmit11,
2660 .ndo_get_stats = airo_get_stats,
2661 .ndo_set_mac_address = airo_set_mac_address,
2662 .ndo_do_ioctl = airo_ioctl,
2663};
2664
2665static void wifi_setup(struct net_device *dev)
2666{
2667 dev->netdev_ops = &airo11_netdev_ops;
2668 dev->header_ops = &airo_header_ops;
2669 dev->wireless_handlers = &airo_handler_def;
2670
2671 dev->type = ARPHRD_IEEE80211;
2672 dev->hard_header_len = ETH_HLEN;
2673 dev->mtu = AIRO_DEF_MTU;
2674 dev->min_mtu = 68;
2675 dev->max_mtu = MIC_MSGLEN_MAX;
2676 dev->addr_len = ETH_ALEN;
2677 dev->tx_queue_len = 100;
2678
2679 eth_broadcast_addr(dev->broadcast);
2680
2681 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2682}
2683
2684static struct net_device *init_wifidev(struct airo_info *ai,
2685 struct net_device *ethdev)
2686{
2687 int err;
2688 struct net_device *dev = alloc_netdev(0, "wifi%d", NET_NAME_UNKNOWN,
2689 wifi_setup);
2690 if (!dev)
2691 return NULL;
2692 dev->ml_priv = ethdev->ml_priv;
2693 dev->irq = ethdev->irq;
2694 dev->base_addr = ethdev->base_addr;
2695 dev->wireless_data = ethdev->wireless_data;
2696 SET_NETDEV_DEV(dev, ethdev->dev.parent);
2697 eth_hw_addr_inherit(dev, ethdev);
2698 err = register_netdev(dev);
2699 if (err<0) {
2700 free_netdev(dev);
2701 return NULL;
2702 }
2703 return dev;
2704}
2705
2706static int reset_card( struct net_device *dev , int lock) {
2707 struct airo_info *ai = dev->ml_priv;
2708
2709 if (lock && down_interruptible(&ai->sem))
2710 return -1;
2711 waitbusy (ai);
2712 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2713 msleep(200);
2714 waitbusy (ai);
2715 msleep(200);
2716 if (lock)
2717 up(&ai->sem);
2718 return 0;
2719}
2720
2721#define AIRO_MAX_NETWORK_COUNT 64
2722static int airo_networks_allocate(struct airo_info *ai)
2723{
2724 if (ai->networks)
2725 return 0;
2726
2727 ai->networks = kcalloc(AIRO_MAX_NETWORK_COUNT, sizeof(BSSListElement),
2728 GFP_KERNEL);
2729 if (!ai->networks) {
2730 airo_print_warn("", "Out of memory allocating beacons");
2731 return -ENOMEM;
2732 }
2733
2734 return 0;
2735}
2736
2737static void airo_networks_free(struct airo_info *ai)
2738{
2739 kfree(ai->networks);
2740 ai->networks = NULL;
2741}
2742
2743static void airo_networks_initialize(struct airo_info *ai)
2744{
2745 int i;
2746
2747 INIT_LIST_HEAD(&ai->network_free_list);
2748 INIT_LIST_HEAD(&ai->network_list);
2749 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2750 list_add_tail(&ai->networks[i].list,
2751 &ai->network_free_list);
2752}
2753
2754static const struct net_device_ops airo_netdev_ops = {
2755 .ndo_open = airo_open,
2756 .ndo_stop = airo_close,
2757 .ndo_start_xmit = airo_start_xmit,
2758 .ndo_get_stats = airo_get_stats,
2759 .ndo_set_rx_mode = airo_set_multicast_list,
2760 .ndo_set_mac_address = airo_set_mac_address,
2761 .ndo_do_ioctl = airo_ioctl,
2762 .ndo_validate_addr = eth_validate_addr,
2763};
2764
2765static const struct net_device_ops mpi_netdev_ops = {
2766 .ndo_open = airo_open,
2767 .ndo_stop = airo_close,
2768 .ndo_start_xmit = mpi_start_xmit,
2769 .ndo_get_stats = airo_get_stats,
2770 .ndo_set_rx_mode = airo_set_multicast_list,
2771 .ndo_set_mac_address = airo_set_mac_address,
2772 .ndo_do_ioctl = airo_ioctl,
2773 .ndo_validate_addr = eth_validate_addr,
2774};
2775
2776
2777static struct net_device *_init_airo_card( unsigned short irq, int port,
2778 int is_pcmcia, struct pci_dev *pci,
2779 struct device *dmdev )
2780{
2781 struct net_device *dev;
2782 struct airo_info *ai;
2783 int i, rc;
2784 CapabilityRid cap_rid;
2785
2786 /* Create the network device object. */
2787 dev = alloc_netdev(sizeof(*ai), "", NET_NAME_UNKNOWN, ether_setup);
2788 if (!dev) {
2789 airo_print_err("", "Couldn't alloc_etherdev");
2790 return NULL;
2791 }
2792
2793 ai = dev->ml_priv = netdev_priv(dev);
2794 ai->wifidev = NULL;
2795 ai->flags = 1 << FLAG_RADIO_DOWN;
2796 ai->jobs = 0;
2797 ai->dev = dev;
2798 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2799 airo_print_dbg("", "Found an MPI350 card");
2800 set_bit(FLAG_MPI, &ai->flags);
2801 }
2802 spin_lock_init(&ai->aux_lock);
2803 sema_init(&ai->sem, 1);
2804 ai->config.len = 0;
2805 ai->pci = pci;
2806 init_waitqueue_head (&ai->thr_wait);
2807 ai->tfm = NULL;
2808 add_airo_dev(ai);
2809 ai->APList.len = cpu_to_le16(sizeof(struct APListRid));
2810
2811 if (airo_networks_allocate (ai))
2812 goto err_out_free;
2813 airo_networks_initialize (ai);
2814
2815 skb_queue_head_init (&ai->txq);
2816
2817 /* The Airo-specific entries in the device structure. */
2818 if (test_bit(FLAG_MPI,&ai->flags))
2819 dev->netdev_ops = &mpi_netdev_ops;
2820 else
2821 dev->netdev_ops = &airo_netdev_ops;
2822 dev->wireless_handlers = &airo_handler_def;
2823 ai->wireless_data.spy_data = &ai->spy_data;
2824 dev->wireless_data = &ai->wireless_data;
2825 dev->irq = irq;
2826 dev->base_addr = port;
2827 dev->priv_flags &= ~IFF_TX_SKB_SHARING;
2828 dev->max_mtu = MIC_MSGLEN_MAX;
2829
2830 SET_NETDEV_DEV(dev, dmdev);
2831
2832 reset_card (dev, 1);
2833 msleep(400);
2834
2835 if (!is_pcmcia) {
2836 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2837 rc = -EBUSY;
2838 airo_print_err(dev->name, "Couldn't request region");
2839 goto err_out_nets;
2840 }
2841 }
2842
2843 if (test_bit(FLAG_MPI,&ai->flags)) {
2844 if (mpi_map_card(ai, pci)) {
2845 airo_print_err("", "Could not map memory");
2846 goto err_out_res;
2847 }
2848 }
2849
2850 if (probe) {
2851 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
2852 airo_print_err(dev->name, "MAC could not be enabled" );
2853 rc = -EIO;
2854 goto err_out_map;
2855 }
2856 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2857 ai->bap_read = fast_bap_read;
2858 set_bit(FLAG_FLASHING, &ai->flags);
2859 }
2860
2861 strcpy(dev->name, "eth%d");
2862 rc = register_netdev(dev);
2863 if (rc) {
2864 airo_print_err(dev->name, "Couldn't register_netdev");
2865 goto err_out_map;
2866 }
2867 ai->wifidev = init_wifidev(ai, dev);
2868 if (!ai->wifidev)
2869 goto err_out_reg;
2870
2871 rc = readCapabilityRid(ai, &cap_rid, 1);
2872 if (rc != SUCCESS) {
2873 rc = -EIO;
2874 goto err_out_wifi;
2875 }
2876 /* WEP capability discovery */
2877 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2878 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
2879
2880 airo_print_info(dev->name, "Firmware version %x.%x.%02d",
2881 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2882 (le16_to_cpu(cap_rid.softVer) & 0xFF),
2883 le16_to_cpu(cap_rid.softSubVer));
2884
2885 /* Test for WPA support */
2886 /* Only firmware versions 5.30.17 or better can do WPA */
2887 if (le16_to_cpu(cap_rid.softVer) > 0x530
2888 || (le16_to_cpu(cap_rid.softVer) == 0x530
2889 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2890 airo_print_info(ai->dev->name, "WPA supported.");
2891
2892 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2893 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2894 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2895 ai->bssListRidLen = sizeof(BSSListRid);
2896 } else {
2897 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2898 "versions older than 5.30.17.");
2899
2900 ai->bssListFirst = RID_BSSLISTFIRST;
2901 ai->bssListNext = RID_BSSLISTNEXT;
2902 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2903 }
2904
2905 set_bit(FLAG_REGISTERED,&ai->flags);
2906 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2907
2908 /* Allocate the transmit buffers */
2909 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2910 for( i = 0; i < MAX_FIDS; i++ )
2911 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2912
2913 if (setup_proc_entry(dev, dev->ml_priv) < 0)
2914 goto err_out_wifi;
2915
2916 return dev;
2917
2918err_out_wifi:
2919 unregister_netdev(ai->wifidev);
2920 free_netdev(ai->wifidev);
2921err_out_reg:
2922 unregister_netdev(dev);
2923err_out_map:
2924 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2925 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2926 iounmap(ai->pciaux);
2927 iounmap(ai->pcimem);
2928 mpi_unmap_card(ai->pci);
2929 }
2930err_out_res:
2931 if (!is_pcmcia)
2932 release_region( dev->base_addr, 64 );
2933err_out_nets:
2934 airo_networks_free(ai);
2935err_out_free:
2936 del_airo_dev(ai);
2937 free_netdev(dev);
2938 return NULL;
2939}
2940
2941struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2942 struct device *dmdev)
2943{
2944 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2945}
2946
2947EXPORT_SYMBOL(init_airo_card);
2948
2949static int waitbusy (struct airo_info *ai) {
2950 int delay = 0;
2951 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
2952 udelay (10);
2953 if ((++delay % 20) == 0)
2954 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2955 }
2956 return delay < 10000;
2957}
2958
2959int reset_airo_card( struct net_device *dev )
2960{
2961 int i;
2962 struct airo_info *ai = dev->ml_priv;
2963
2964 if (reset_card (dev, 1))
2965 return -1;
2966
2967 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2968 airo_print_err(dev->name, "MAC could not be enabled");
2969 return -1;
2970 }
2971 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2972 /* Allocate the transmit buffers if needed */
2973 if (!test_bit(FLAG_MPI,&ai->flags))
2974 for( i = 0; i < MAX_FIDS; i++ )
2975 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2976
2977 enable_interrupts( ai );
2978 netif_wake_queue(dev);
2979 return 0;
2980}
2981
2982EXPORT_SYMBOL(reset_airo_card);
2983
2984static void airo_send_event(struct net_device *dev) {
2985 struct airo_info *ai = dev->ml_priv;
2986 union iwreq_data wrqu;
2987 StatusRid status_rid;
2988
2989 clear_bit(JOB_EVENT, &ai->jobs);
2990 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2991 up(&ai->sem);
2992 wrqu.data.length = 0;
2993 wrqu.data.flags = 0;
2994 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2995 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2996
2997 /* Send event to user space */
2998 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2999}
3000
3001static void airo_process_scan_results (struct airo_info *ai) {
3002 union iwreq_data wrqu;
3003 BSSListRid bss;
3004 int rc;
3005 BSSListElement * loop_net;
3006 BSSListElement * tmp_net;
3007
3008 /* Blow away current list of scan results */
3009 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3010 list_move_tail (&loop_net->list, &ai->network_free_list);
3011 /* Don't blow away ->list, just BSS data */
3012 memset (loop_net, 0, sizeof (loop_net->bss));
3013 }
3014
3015 /* Try to read the first entry of the scan result */
3016 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3017 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
3018 /* No scan results */
3019 goto out;
3020 }
3021
3022 /* Read and parse all entries */
3023 tmp_net = NULL;
3024 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
3025 /* Grab a network off the free list */
3026 if (!list_empty(&ai->network_free_list)) {
3027 tmp_net = list_entry(ai->network_free_list.next,
3028 BSSListElement, list);
3029 list_del(ai->network_free_list.next);
3030 }
3031
3032 if (tmp_net != NULL) {
3033 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3034 list_add_tail(&tmp_net->list, &ai->network_list);
3035 tmp_net = NULL;
3036 }
3037
3038 /* Read next entry */
3039 rc = PC4500_readrid(ai, ai->bssListNext,
3040 &bss, ai->bssListRidLen, 0);
3041 }
3042
3043out:
3044 /* write APList back (we cleared it in airo_set_scan) */
3045 disable_MAC(ai, 2);
3046 writeAPListRid(ai, &ai->APList, 0);
3047 enable_MAC(ai, 0);
3048
3049 ai->scan_timeout = 0;
3050 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3051 up(&ai->sem);
3052
3053 /* Send an empty event to user space.
3054 * We don't send the received data on
3055 * the event because it would require
3056 * us to do complex transcoding, and
3057 * we want to minimise the work done in
3058 * the irq handler. Use a request to
3059 * extract the data - Jean II */
3060 wrqu.data.length = 0;
3061 wrqu.data.flags = 0;
3062 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3063}
3064
3065static int airo_thread(void *data) {
3066 struct net_device *dev = data;
3067 struct airo_info *ai = dev->ml_priv;
3068 int locked;
3069
3070 set_freezable();
3071 while(1) {
3072 /* make swsusp happy with our thread */
3073 try_to_freeze();
3074
3075 if (test_bit(JOB_DIE, &ai->jobs))
3076 break;
3077
3078 if (ai->jobs) {
3079 locked = down_interruptible(&ai->sem);
3080 } else {
3081 wait_queue_entry_t wait;
3082
3083 init_waitqueue_entry(&wait, current);
3084 add_wait_queue(&ai->thr_wait, &wait);
3085 for (;;) {
3086 set_current_state(TASK_INTERRUPTIBLE);
3087 if (ai->jobs)
3088 break;
3089 if (ai->expires || ai->scan_timeout) {
3090 if (ai->scan_timeout &&
3091 time_after_eq(jiffies,ai->scan_timeout)){
3092 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3093 break;
3094 } else if (ai->expires &&
3095 time_after_eq(jiffies,ai->expires)){
3096 set_bit(JOB_AUTOWEP, &ai->jobs);
3097 break;
3098 }
3099 if (!kthread_should_stop() &&
3100 !freezing(current)) {
3101 unsigned long wake_at;
3102 if (!ai->expires || !ai->scan_timeout) {
3103 wake_at = max(ai->expires,
3104 ai->scan_timeout);
3105 } else {
3106 wake_at = min(ai->expires,
3107 ai->scan_timeout);
3108 }
3109 schedule_timeout(wake_at - jiffies);
3110 continue;
3111 }
3112 } else if (!kthread_should_stop() &&
3113 !freezing(current)) {
3114 schedule();
3115 continue;
3116 }
3117 break;
3118 }
3119 __set_current_state(TASK_RUNNING);
3120 remove_wait_queue(&ai->thr_wait, &wait);
3121 locked = 1;
3122 }
3123
3124 if (locked)
3125 continue;
3126
3127 if (test_bit(JOB_DIE, &ai->jobs)) {
3128 up(&ai->sem);
3129 break;
3130 }
3131
3132 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3133 up(&ai->sem);
3134 continue;
3135 }
3136
3137 if (test_bit(JOB_XMIT, &ai->jobs))
3138 airo_end_xmit(dev);
3139 else if (test_bit(JOB_XMIT11, &ai->jobs))
3140 airo_end_xmit11(dev);
3141 else if (test_bit(JOB_STATS, &ai->jobs))
3142 airo_read_stats(dev);
3143 else if (test_bit(JOB_WSTATS, &ai->jobs))
3144 airo_read_wireless_stats(ai);
3145 else if (test_bit(JOB_PROMISC, &ai->jobs))
3146 airo_set_promisc(ai);
3147 else if (test_bit(JOB_MIC, &ai->jobs))
3148 micinit(ai);
3149 else if (test_bit(JOB_EVENT, &ai->jobs))
3150 airo_send_event(dev);
3151 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3152 timer_func(dev);
3153 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3154 airo_process_scan_results(ai);
3155 else /* Shouldn't get here, but we make sure to unlock */
3156 up(&ai->sem);
3157 }
3158
3159 return 0;
3160}
3161
3162static int header_len(__le16 ctl)
3163{
3164 u16 fc = le16_to_cpu(ctl);
3165 switch (fc & 0xc) {
3166 case 4:
3167 if ((fc & 0xe0) == 0xc0)
3168 return 10; /* one-address control packet */
3169 return 16; /* two-address control packet */
3170 case 8:
3171 if ((fc & 0x300) == 0x300)
3172 return 30; /* WDS packet */
3173 }
3174 return 24;
3175}
3176
3177static void airo_handle_cisco_mic(struct airo_info *ai)
3178{
3179 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3180 set_bit(JOB_MIC, &ai->jobs);
3181 wake_up_interruptible(&ai->thr_wait);
3182 }
3183}
3184
3185/* Airo Status codes */
3186#define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
3187#define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
3188#define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3189#define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
3190#define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3191#define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
3192#define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
3193#define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
3194#define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
3195#define STAT_ASSOC 0x0400 /* Associated */
3196#define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3197
3198static void airo_print_status(const char *devname, u16 status)
3199{
3200 u8 reason = status & 0xFF;
3201
3202 switch (status & 0xFF00) {
3203 case STAT_NOBEACON:
3204 switch (status) {
3205 case STAT_NOBEACON:
3206 airo_print_dbg(devname, "link lost (missed beacons)");
3207 break;
3208 case STAT_MAXRETRIES:
3209 case STAT_MAXARL:
3210 airo_print_dbg(devname, "link lost (max retries)");
3211 break;
3212 case STAT_FORCELOSS:
3213 airo_print_dbg(devname, "link lost (local choice)");
3214 break;
3215 case STAT_TSFSYNC:
3216 airo_print_dbg(devname, "link lost (TSF sync lost)");
3217 break;
3218 default:
3219 airo_print_dbg(devname, "unknown status %x\n", status);
3220 break;
3221 }
3222 break;
3223 case STAT_DEAUTH:
3224 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3225 break;
3226 case STAT_DISASSOC:
3227 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3228 break;
3229 case STAT_ASSOC_FAIL:
3230 airo_print_dbg(devname, "association failed (reason: %d)",
3231 reason);
3232 break;
3233 case STAT_AUTH_FAIL:
3234 airo_print_dbg(devname, "authentication failed (reason: %d)",
3235 reason);
3236 break;
3237 case STAT_ASSOC:
3238 case STAT_REASSOC:
3239 break;
3240 default:
3241 airo_print_dbg(devname, "unknown status %x\n", status);
3242 break;
3243 }
3244}
3245
3246static void airo_handle_link(struct airo_info *ai)
3247{
3248 union iwreq_data wrqu;
3249 int scan_forceloss = 0;
3250 u16 status;
3251
3252 /* Get new status and acknowledge the link change */
3253 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3254 OUT4500(ai, EVACK, EV_LINK);
3255
3256 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3257 scan_forceloss = 1;
3258
3259 airo_print_status(ai->dev->name, status);
3260
3261 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3262 if (auto_wep)
3263 ai->expires = 0;
3264 if (ai->list_bss_task)
3265 wake_up_process(ai->list_bss_task);
3266 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3267 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3268
3269 if (down_trylock(&ai->sem) != 0) {
3270 set_bit(JOB_EVENT, &ai->jobs);
3271 wake_up_interruptible(&ai->thr_wait);
3272 } else
3273 airo_send_event(ai->dev);
3274 netif_carrier_on(ai->dev);
3275 } else if (!scan_forceloss) {
3276 if (auto_wep && !ai->expires) {
3277 ai->expires = RUN_AT(3*HZ);
3278 wake_up_interruptible(&ai->thr_wait);
3279 }
3280
3281 /* Send event to user space */
3282 eth_zero_addr(wrqu.ap_addr.sa_data);
3283 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3284 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3285 netif_carrier_off(ai->dev);
3286 } else {
3287 netif_carrier_off(ai->dev);
3288 }
3289}
3290
3291static void airo_handle_rx(struct airo_info *ai)
3292{
3293 struct sk_buff *skb = NULL;
3294 __le16 fc, v, *buffer, tmpbuf[4];
3295 u16 len, hdrlen = 0, gap, fid;
3296 struct rx_hdr hdr;
3297 int success = 0;
3298
3299 if (test_bit(FLAG_MPI, &ai->flags)) {
3300 if (test_bit(FLAG_802_11, &ai->flags))
3301 mpi_receive_802_11(ai);
3302 else
3303 mpi_receive_802_3(ai);
3304 OUT4500(ai, EVACK, EV_RX);
3305 return;
3306 }
3307
3308 fid = IN4500(ai, RXFID);
3309
3310 /* Get the packet length */
3311 if (test_bit(FLAG_802_11, &ai->flags)) {
3312 bap_setup (ai, fid, 4, BAP0);
3313 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3314 /* Bad CRC. Ignore packet */
3315 if (le16_to_cpu(hdr.status) & 2)
3316 hdr.len = 0;
3317 if (ai->wifidev == NULL)
3318 hdr.len = 0;
3319 } else {
3320 bap_setup(ai, fid, 0x36, BAP0);
3321 bap_read(ai, &hdr.len, 2, BAP0);
3322 }
3323 len = le16_to_cpu(hdr.len);
3324
3325 if (len > AIRO_DEF_MTU) {
3326 airo_print_err(ai->dev->name, "Bad size %d", len);
3327 goto done;
3328 }
3329 if (len == 0)
3330 goto done;
3331
3332 if (test_bit(FLAG_802_11, &ai->flags)) {
3333 bap_read(ai, &fc, sizeof (fc), BAP0);
3334 hdrlen = header_len(fc);
3335 } else
3336 hdrlen = ETH_ALEN * 2;
3337
3338 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3339 if (!skb) {
3340 ai->dev->stats.rx_dropped++;
3341 goto done;
3342 }
3343
3344 skb_reserve(skb, 2); /* This way the IP header is aligned */
3345 buffer = skb_put(skb, len + hdrlen);
3346 if (test_bit(FLAG_802_11, &ai->flags)) {
3347 buffer[0] = fc;
3348 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3349 if (hdrlen == 24)
3350 bap_read(ai, tmpbuf, 6, BAP0);
3351
3352 bap_read(ai, &v, sizeof(v), BAP0);
3353 gap = le16_to_cpu(v);
3354 if (gap) {
3355 if (gap <= 8) {
3356 bap_read(ai, tmpbuf, gap, BAP0);
3357 } else {
3358 airo_print_err(ai->dev->name, "gaplen too "
3359 "big. Problems will follow...");
3360 }
3361 }
3362 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3363 } else {
3364 MICBuffer micbuf;
3365
3366 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3367 if (ai->micstats.enabled) {
3368 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3369 if (ntohs(micbuf.typelen) > 0x05DC)
3370 bap_setup(ai, fid, 0x44, BAP0);
3371 else {
3372 if (len <= sizeof (micbuf)) {
3373 dev_kfree_skb_irq(skb);
3374 goto done;
3375 }
3376
3377 len -= sizeof(micbuf);
3378 skb_trim(skb, len + hdrlen);
3379 }
3380 }
3381
3382 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3383 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3384 dev_kfree_skb_irq (skb);
3385 else
3386 success = 1;
3387 }
3388
3389#ifdef WIRELESS_SPY
3390 if (success && (ai->spy_data.spy_number > 0)) {
3391 char *sa;
3392 struct iw_quality wstats;
3393
3394 /* Prepare spy data : addr + qual */
3395 if (!test_bit(FLAG_802_11, &ai->flags)) {
3396 sa = (char *) buffer + 6;
3397 bap_setup(ai, fid, 8, BAP0);
3398 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3399 } else
3400 sa = (char *) buffer + 10;
3401 wstats.qual = hdr.rssi[0];
3402 if (ai->rssi)
3403 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3404 else
3405 wstats.level = (hdr.rssi[1] + 321) / 2;
3406 wstats.noise = ai->wstats.qual.noise;
3407 wstats.updated = IW_QUAL_LEVEL_UPDATED
3408 | IW_QUAL_QUAL_UPDATED
3409 | IW_QUAL_DBM;
3410 /* Update spy records */
3411 wireless_spy_update(ai->dev, sa, &wstats);
3412 }
3413#endif /* WIRELESS_SPY */
3414
3415done:
3416 OUT4500(ai, EVACK, EV_RX);
3417
3418 if (success) {
3419 if (test_bit(FLAG_802_11, &ai->flags)) {
3420 skb_reset_mac_header(skb);
3421 skb->pkt_type = PACKET_OTHERHOST;
3422 skb->dev = ai->wifidev;
3423 skb->protocol = htons(ETH_P_802_2);
3424 } else
3425 skb->protocol = eth_type_trans(skb, ai->dev);
3426 skb->ip_summed = CHECKSUM_NONE;
3427
3428 netif_rx(skb);
3429 }
3430}
3431
3432static void airo_handle_tx(struct airo_info *ai, u16 status)
3433{
3434 int i, index = -1;
3435 u16 fid;
3436
3437 if (test_bit(FLAG_MPI, &ai->flags)) {
3438 unsigned long flags;
3439
3440 if (status & EV_TXEXC)
3441 get_tx_error(ai, -1);
3442
3443 spin_lock_irqsave(&ai->aux_lock, flags);
3444 if (!skb_queue_empty(&ai->txq)) {
3445 spin_unlock_irqrestore(&ai->aux_lock,flags);
3446 mpi_send_packet(ai->dev);
3447 } else {
3448 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3449 spin_unlock_irqrestore(&ai->aux_lock,flags);
3450 netif_wake_queue(ai->dev);
3451 }
3452 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3453 return;
3454 }
3455
3456 fid = IN4500(ai, TXCOMPLFID);
3457
3458 for (i = 0; i < MAX_FIDS; i++) {
3459 if ((ai->fids[i] & 0xffff) == fid)
3460 index = i;
3461 }
3462
3463 if (index != -1) {
3464 if (status & EV_TXEXC)
3465 get_tx_error(ai, index);
3466
3467 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3468
3469 /* Set up to be used again */
3470 ai->fids[index] &= 0xffff;
3471 if (index < MAX_FIDS / 2) {
3472 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3473 netif_wake_queue(ai->dev);
3474 } else {
3475 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3476 netif_wake_queue(ai->wifidev);
3477 }
3478 } else {
3479 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3480 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3481 }
3482}
3483
3484static irqreturn_t airo_interrupt(int irq, void *dev_id)
3485{
3486 struct net_device *dev = dev_id;
3487 u16 status, savedInterrupts = 0;
3488 struct airo_info *ai = dev->ml_priv;
3489 int handled = 0;
3490
3491 if (!netif_device_present(dev))
3492 return IRQ_NONE;
3493
3494 for (;;) {
3495 status = IN4500(ai, EVSTAT);
3496 if (!(status & STATUS_INTS) || (status == 0xffff))
3497 break;
3498
3499 handled = 1;
3500
3501 if (status & EV_AWAKE) {
3502 OUT4500(ai, EVACK, EV_AWAKE);
3503 OUT4500(ai, EVACK, EV_AWAKE);
3504 }
3505
3506 if (!savedInterrupts) {
3507 savedInterrupts = IN4500(ai, EVINTEN);
3508 OUT4500(ai, EVINTEN, 0);
3509 }
3510
3511 if (status & EV_MIC) {
3512 OUT4500(ai, EVACK, EV_MIC);
3513 airo_handle_cisco_mic(ai);
3514 }
3515
3516 if (status & EV_LINK) {
3517 /* Link status changed */
3518 airo_handle_link(ai);
3519 }
3520
3521 /* Check to see if there is something to receive */
3522 if (status & EV_RX)
3523 airo_handle_rx(ai);
3524
3525 /* Check to see if a packet has been transmitted */
3526 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3527 airo_handle_tx(ai, status);
3528
3529 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3530 airo_print_warn(ai->dev->name, "Got weird status %x",
3531 status & ~STATUS_INTS & ~IGNORE_INTS );
3532 }
3533 }
3534
3535 if (savedInterrupts)
3536 OUT4500(ai, EVINTEN, savedInterrupts);
3537
3538 return IRQ_RETVAL(handled);
3539}
3540
3541/*
3542 * Routines to talk to the card
3543 */
3544
3545/*
3546 * This was originally written for the 4500, hence the name
3547 * NOTE: If use with 8bit mode and SMP bad things will happen!
3548 * Why would some one do 8 bit IO in an SMP machine?!?
3549 */
3550static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3551 if (test_bit(FLAG_MPI,&ai->flags))
3552 reg <<= 1;
3553 if ( !do8bitIO )
3554 outw( val, ai->dev->base_addr + reg );
3555 else {
3556 outb( val & 0xff, ai->dev->base_addr + reg );
3557 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3558 }
3559}
3560
3561static u16 IN4500( struct airo_info *ai, u16 reg ) {
3562 unsigned short rc;
3563
3564 if (test_bit(FLAG_MPI,&ai->flags))
3565 reg <<= 1;
3566 if ( !do8bitIO )
3567 rc = inw( ai->dev->base_addr + reg );
3568 else {
3569 rc = inb( ai->dev->base_addr + reg );
3570 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3571 }
3572 return rc;
3573}
3574
3575static int enable_MAC(struct airo_info *ai, int lock)
3576{
3577 int rc;
3578 Cmd cmd;
3579 Resp rsp;
3580
3581 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3582 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3583 * Note : we could try to use !netif_running(dev) in enable_MAC()
3584 * instead of this flag, but I don't trust it *within* the
3585 * open/close functions, and testing both flags together is
3586 * "cheaper" - Jean II */
3587 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3588
3589 if (lock && down_interruptible(&ai->sem))
3590 return -ERESTARTSYS;
3591
3592 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3593 memset(&cmd, 0, sizeof(cmd));
3594 cmd.cmd = MAC_ENABLE;
3595 rc = issuecommand(ai, &cmd, &rsp);
3596 if (rc == SUCCESS)
3597 set_bit(FLAG_ENABLED, &ai->flags);
3598 } else
3599 rc = SUCCESS;
3600
3601 if (lock)
3602 up(&ai->sem);
3603
3604 if (rc)
3605 airo_print_err(ai->dev->name, "Cannot enable MAC");
3606 else if ((rsp.status & 0xFF00) != 0) {
3607 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3608 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3609 rc = ERROR;
3610 }
3611 return rc;
3612}
3613
3614static void disable_MAC( struct airo_info *ai, int lock ) {
3615 Cmd cmd;
3616 Resp rsp;
3617
3618 if (lock == 1 && down_interruptible(&ai->sem))
3619 return;
3620
3621 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3622 if (lock != 2) /* lock == 2 means don't disable carrier */
3623 netif_carrier_off(ai->dev);
3624 memset(&cmd, 0, sizeof(cmd));
3625 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3626 issuecommand(ai, &cmd, &rsp);
3627 clear_bit(FLAG_ENABLED, &ai->flags);
3628 }
3629 if (lock == 1)
3630 up(&ai->sem);
3631}
3632
3633static void enable_interrupts( struct airo_info *ai ) {
3634 /* Enable the interrupts */
3635 OUT4500( ai, EVINTEN, STATUS_INTS );
3636}
3637
3638static void disable_interrupts( struct airo_info *ai ) {
3639 OUT4500( ai, EVINTEN, 0 );
3640}
3641
3642static void mpi_receive_802_3(struct airo_info *ai)
3643{
3644 RxFid rxd;
3645 int len = 0;
3646 struct sk_buff *skb;
3647 char *buffer;
3648 int off = 0;
3649 MICBuffer micbuf;
3650
3651 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3652 /* Make sure we got something */
3653 if (rxd.rdy && rxd.valid == 0) {
3654 len = rxd.len + 12;
3655 if (len < 12 || len > 2048)
3656 goto badrx;
3657
3658 skb = dev_alloc_skb(len);
3659 if (!skb) {
3660 ai->dev->stats.rx_dropped++;
3661 goto badrx;
3662 }
3663 buffer = skb_put(skb,len);
3664 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3665 if (ai->micstats.enabled) {
3666 memcpy(&micbuf,
3667 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3668 sizeof(micbuf));
3669 if (ntohs(micbuf.typelen) <= 0x05DC) {
3670 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3671 goto badmic;
3672
3673 off = sizeof(micbuf);
3674 skb_trim (skb, len - off);
3675 }
3676 }
3677 memcpy(buffer + ETH_ALEN * 2,
3678 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3679 len - ETH_ALEN * 2 - off);
3680 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3681badmic:
3682 dev_kfree_skb_irq (skb);
3683 goto badrx;
3684 }
3685#ifdef WIRELESS_SPY
3686 if (ai->spy_data.spy_number > 0) {
3687 char *sa;
3688 struct iw_quality wstats;
3689 /* Prepare spy data : addr + qual */
3690 sa = buffer + ETH_ALEN;
3691 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3692 wstats.level = 0;
3693 wstats.updated = 0;
3694 /* Update spy records */
3695 wireless_spy_update(ai->dev, sa, &wstats);
3696 }
3697#endif /* WIRELESS_SPY */
3698
3699 skb->ip_summed = CHECKSUM_NONE;
3700 skb->protocol = eth_type_trans(skb, ai->dev);
3701 netif_rx(skb);
3702 }
3703badrx:
3704 if (rxd.valid == 0) {
3705 rxd.valid = 1;
3706 rxd.rdy = 0;
3707 rxd.len = PKTSIZE;
3708 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3709 }
3710}
3711
3712static void mpi_receive_802_11(struct airo_info *ai)
3713{
3714 RxFid rxd;
3715 struct sk_buff *skb = NULL;
3716 u16 len, hdrlen = 0;
3717 __le16 fc;
3718 struct rx_hdr hdr;
3719 u16 gap;
3720 u16 *buffer;
3721 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
3722
3723 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3724 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3725 ptr += sizeof(hdr);
3726 /* Bad CRC. Ignore packet */
3727 if (le16_to_cpu(hdr.status) & 2)
3728 hdr.len = 0;
3729 if (ai->wifidev == NULL)
3730 hdr.len = 0;
3731 len = le16_to_cpu(hdr.len);
3732 if (len > AIRO_DEF_MTU) {
3733 airo_print_err(ai->dev->name, "Bad size %d", len);
3734 goto badrx;
3735 }
3736 if (len == 0)
3737 goto badrx;
3738
3739 fc = get_unaligned((__le16 *)ptr);
3740 hdrlen = header_len(fc);
3741
3742 skb = dev_alloc_skb( len + hdrlen + 2 );
3743 if ( !skb ) {
3744 ai->dev->stats.rx_dropped++;
3745 goto badrx;
3746 }
3747 buffer = skb_put(skb, len + hdrlen);
3748 memcpy ((char *)buffer, ptr, hdrlen);
3749 ptr += hdrlen;
3750 if (hdrlen == 24)
3751 ptr += 6;
3752 gap = get_unaligned_le16(ptr);
3753 ptr += sizeof(__le16);
3754 if (gap) {
3755 if (gap <= 8)
3756 ptr += gap;
3757 else
3758 airo_print_err(ai->dev->name,
3759 "gaplen too big. Problems will follow...");
3760 }
3761 memcpy ((char *)buffer + hdrlen, ptr, len);
3762 ptr += len;
3763#ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3764 if (ai->spy_data.spy_number > 0) {
3765 char *sa;
3766 struct iw_quality wstats;
3767 /* Prepare spy data : addr + qual */
3768 sa = (char*)buffer + 10;
3769 wstats.qual = hdr.rssi[0];
3770 if (ai->rssi)
3771 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3772 else
3773 wstats.level = (hdr.rssi[1] + 321) / 2;
3774 wstats.noise = ai->wstats.qual.noise;
3775 wstats.updated = IW_QUAL_QUAL_UPDATED
3776 | IW_QUAL_LEVEL_UPDATED
3777 | IW_QUAL_DBM;
3778 /* Update spy records */
3779 wireless_spy_update(ai->dev, sa, &wstats);
3780 }
3781#endif /* IW_WIRELESS_SPY */
3782 skb_reset_mac_header(skb);
3783 skb->pkt_type = PACKET_OTHERHOST;
3784 skb->dev = ai->wifidev;
3785 skb->protocol = htons(ETH_P_802_2);
3786 skb->ip_summed = CHECKSUM_NONE;
3787 netif_rx( skb );
3788
3789badrx:
3790 if (rxd.valid == 0) {
3791 rxd.valid = 1;
3792 rxd.rdy = 0;
3793 rxd.len = PKTSIZE;
3794 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3795 }
3796}
3797
3798static inline void set_auth_type(struct airo_info *local, int auth_type)
3799{
3800 local->config.authType = auth_type;
3801 /* Cache the last auth type used (of AUTH_OPEN and AUTH_ENCRYPT).
3802 * Used by airo_set_auth()
3803 */
3804 if (auth_type == AUTH_OPEN || auth_type == AUTH_ENCRYPT)
3805 local->last_auth = auth_type;
3806}
3807
3808static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3809{
3810 Cmd cmd;
3811 Resp rsp;
3812 int status;
3813 SsidRid mySsid;
3814 __le16 lastindex;
3815 WepKeyRid wkr;
3816 int rc;
3817
3818 memset( &mySsid, 0, sizeof( mySsid ) );
3819 kfree (ai->flash);
3820 ai->flash = NULL;
3821
3822 /* The NOP is the first step in getting the card going */
3823 cmd.cmd = NOP;
3824 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3825 if (lock && down_interruptible(&ai->sem))
3826 return ERROR;
3827 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3828 if (lock)
3829 up(&ai->sem);
3830 return ERROR;
3831 }
3832 disable_MAC( ai, 0);
3833
3834 // Let's figure out if we need to use the AUX port
3835 if (!test_bit(FLAG_MPI,&ai->flags)) {
3836 cmd.cmd = CMD_ENABLEAUX;
3837 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3838 if (lock)
3839 up(&ai->sem);
3840 airo_print_err(ai->dev->name, "Error checking for AUX port");
3841 return ERROR;
3842 }
3843 if (!aux_bap || rsp.status & 0xff00) {
3844 ai->bap_read = fast_bap_read;
3845 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3846 } else {
3847 ai->bap_read = aux_bap_read;
3848 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3849 }
3850 }
3851 if (lock)
3852 up(&ai->sem);
3853 if (ai->config.len == 0) {
3854 int i;
3855 tdsRssiRid rssi_rid;
3856 CapabilityRid cap_rid;
3857
3858 kfree(ai->SSID);
3859 ai->SSID = NULL;
3860 // general configuration (read/modify/write)
3861 status = readConfigRid(ai, lock);
3862 if ( status != SUCCESS ) return ERROR;
3863
3864 status = readCapabilityRid(ai, &cap_rid, lock);
3865 if ( status != SUCCESS ) return ERROR;
3866
3867 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3868 if ( status == SUCCESS ) {
3869 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3870 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3871 }
3872 else {
3873 kfree(ai->rssi);
3874 ai->rssi = NULL;
3875 if (cap_rid.softCap & cpu_to_le16(8))
3876 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3877 else
3878 airo_print_warn(ai->dev->name, "unknown received signal "
3879 "level scale");
3880 }
3881 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3882 set_auth_type(ai, AUTH_OPEN);
3883 ai->config.modulation = MOD_CCK;
3884
3885 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3886 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3887 micsetup(ai) == SUCCESS) {
3888 ai->config.opmode |= MODE_MIC;
3889 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3890 }
3891
3892 /* Save off the MAC */
3893 for( i = 0; i < ETH_ALEN; i++ ) {
3894 mac[i] = ai->config.macAddr[i];
3895 }
3896
3897 /* Check to see if there are any insmod configured
3898 rates to add */
3899 if ( rates[0] ) {
3900 memset(ai->config.rates,0,sizeof(ai->config.rates));
3901 for( i = 0; i < 8 && rates[i]; i++ ) {
3902 ai->config.rates[i] = rates[i];
3903 }
3904 }
3905 set_bit (FLAG_COMMIT, &ai->flags);
3906 }
3907
3908 /* Setup the SSIDs if present */
3909 if ( ssids[0] ) {
3910 int i;
3911 for( i = 0; i < 3 && ssids[i]; i++ ) {
3912 size_t len = strlen(ssids[i]);
3913 if (len > 32)
3914 len = 32;
3915 mySsid.ssids[i].len = cpu_to_le16(len);
3916 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3917 }
3918 mySsid.len = cpu_to_le16(sizeof(mySsid));
3919 }
3920
3921 status = writeConfigRid(ai, lock);
3922 if ( status != SUCCESS ) return ERROR;
3923
3924 /* Set up the SSID list */
3925 if ( ssids[0] ) {
3926 status = writeSsidRid(ai, &mySsid, lock);
3927 if ( status != SUCCESS ) return ERROR;
3928 }
3929
3930 status = enable_MAC(ai, lock);
3931 if (status != SUCCESS)
3932 return ERROR;
3933
3934 /* Grab the initial wep key, we gotta save it for auto_wep */
3935 rc = readWepKeyRid(ai, &wkr, 1, lock);
3936 if (rc == SUCCESS) do {
3937 lastindex = wkr.kindex;
3938 if (wkr.kindex == cpu_to_le16(0xffff)) {
3939 ai->defindex = wkr.mac[0];
3940 }
3941 rc = readWepKeyRid(ai, &wkr, 0, lock);
3942 } while(lastindex != wkr.kindex);
3943
3944 try_auto_wep(ai);
3945
3946 return SUCCESS;
3947}
3948
3949static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3950 // Im really paranoid about letting it run forever!
3951 int max_tries = 600000;
3952
3953 if (IN4500(ai, EVSTAT) & EV_CMD)
3954 OUT4500(ai, EVACK, EV_CMD);
3955
3956 OUT4500(ai, PARAM0, pCmd->parm0);
3957 OUT4500(ai, PARAM1, pCmd->parm1);
3958 OUT4500(ai, PARAM2, pCmd->parm2);
3959 OUT4500(ai, COMMAND, pCmd->cmd);
3960
3961 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3962 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3963 // PC4500 didn't notice command, try again
3964 OUT4500(ai, COMMAND, pCmd->cmd);
3965 if (!in_atomic() && (max_tries & 255) == 0)
3966 schedule();
3967 }
3968
3969 if ( max_tries == -1 ) {
3970 airo_print_err(ai->dev->name,
3971 "Max tries exceeded when issuing command");
3972 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3973 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3974 return ERROR;
3975 }
3976
3977 // command completed
3978 pRsp->status = IN4500(ai, STATUS);
3979 pRsp->rsp0 = IN4500(ai, RESP0);
3980 pRsp->rsp1 = IN4500(ai, RESP1);
3981 pRsp->rsp2 = IN4500(ai, RESP2);
3982 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3983 airo_print_err(ai->dev->name,
3984 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3985 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3986 pRsp->rsp2);
3987
3988 // clear stuck command busy if necessary
3989 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3990 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3991 }
3992 // acknowledge processing the status/response
3993 OUT4500(ai, EVACK, EV_CMD);
3994
3995 return SUCCESS;
3996}
3997
3998/* Sets up the bap to start exchange data. whichbap should
3999 * be one of the BAP0 or BAP1 defines. Locks should be held before
4000 * calling! */
4001static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
4002{
4003 int timeout = 50;
4004 int max_tries = 3;
4005
4006 OUT4500(ai, SELECT0+whichbap, rid);
4007 OUT4500(ai, OFFSET0+whichbap, offset);
4008 while (1) {
4009 int status = IN4500(ai, OFFSET0+whichbap);
4010 if (status & BAP_BUSY) {
4011 /* This isn't really a timeout, but its kinda
4012 close */
4013 if (timeout--) {
4014 continue;
4015 }
4016 } else if ( status & BAP_ERR ) {
4017 /* invalid rid or offset */
4018 airo_print_err(ai->dev->name, "BAP error %x %d",
4019 status, whichbap );
4020 return ERROR;
4021 } else if (status & BAP_DONE) { // success
4022 return SUCCESS;
4023 }
4024 if ( !(max_tries--) ) {
4025 airo_print_err(ai->dev->name,
4026 "BAP setup error too many retries\n");
4027 return ERROR;
4028 }
4029 // -- PC4500 missed it, try again
4030 OUT4500(ai, SELECT0+whichbap, rid);
4031 OUT4500(ai, OFFSET0+whichbap, offset);
4032 timeout = 50;
4033 }
4034}
4035
4036/* should only be called by aux_bap_read. This aux function and the
4037 following use concepts not documented in the developers guide. I
4038 got them from a patch given to my by Aironet */
4039static u16 aux_setup(struct airo_info *ai, u16 page,
4040 u16 offset, u16 *len)
4041{
4042 u16 next;
4043
4044 OUT4500(ai, AUXPAGE, page);
4045 OUT4500(ai, AUXOFF, 0);
4046 next = IN4500(ai, AUXDATA);
4047 *len = IN4500(ai, AUXDATA)&0xff;
4048 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4049 return next;
4050}
4051
4052/* requires call to bap_setup() first */
4053static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4054 int bytelen, int whichbap)
4055{
4056 u16 len;
4057 u16 page;
4058 u16 offset;
4059 u16 next;
4060 int words;
4061 int i;
4062 unsigned long flags;
4063
4064 spin_lock_irqsave(&ai->aux_lock, flags);
4065 page = IN4500(ai, SWS0+whichbap);
4066 offset = IN4500(ai, SWS2+whichbap);
4067 next = aux_setup(ai, page, offset, &len);
4068 words = (bytelen+1)>>1;
4069
4070 for (i=0; i<words;) {
4071 int count;
4072 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4073 if ( !do8bitIO )
4074 insw( ai->dev->base_addr+DATA0+whichbap,
4075 pu16Dst+i,count );
4076 else
4077 insb( ai->dev->base_addr+DATA0+whichbap,
4078 pu16Dst+i, count << 1 );
4079 i += count;
4080 if (i<words) {
4081 next = aux_setup(ai, next, 4, &len);
4082 }
4083 }
4084 spin_unlock_irqrestore(&ai->aux_lock, flags);
4085 return SUCCESS;
4086}
4087
4088
4089/* requires call to bap_setup() first */
4090static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4091 int bytelen, int whichbap)
4092{
4093 bytelen = (bytelen + 1) & (~1); // round up to even value
4094 if ( !do8bitIO )
4095 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4096 else
4097 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4098 return SUCCESS;
4099}
4100
4101/* requires call to bap_setup() first */
4102static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4103 int bytelen, int whichbap)
4104{
4105 bytelen = (bytelen + 1) & (~1); // round up to even value
4106 if ( !do8bitIO )
4107 outsw( ai->dev->base_addr+DATA0+whichbap,
4108 pu16Src, bytelen>>1 );
4109 else
4110 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4111 return SUCCESS;
4112}
4113
4114static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4115{
4116 Cmd cmd; /* for issuing commands */
4117 Resp rsp; /* response from commands */
4118 u16 status;
4119
4120 memset(&cmd, 0, sizeof(cmd));
4121 cmd.cmd = accmd;
4122 cmd.parm0 = rid;
4123 status = issuecommand(ai, &cmd, &rsp);
4124 if (status != 0) return status;
4125 if ( (rsp.status & 0x7F00) != 0) {
4126 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4127 }
4128 return 0;
4129}
4130
4131/* Note, that we are using BAP1 which is also used by transmit, so
4132 * we must get a lock. */
4133static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4134{
4135 u16 status;
4136 int rc = SUCCESS;
4137
4138 if (lock) {
4139 if (down_interruptible(&ai->sem))
4140 return ERROR;
4141 }
4142 if (test_bit(FLAG_MPI,&ai->flags)) {
4143 Cmd cmd;
4144 Resp rsp;
4145
4146 memset(&cmd, 0, sizeof(cmd));
4147 memset(&rsp, 0, sizeof(rsp));
4148 ai->config_desc.rid_desc.valid = 1;
4149 ai->config_desc.rid_desc.len = RIDSIZE;
4150 ai->config_desc.rid_desc.rid = 0;
4151 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4152
4153 cmd.cmd = CMD_ACCESS;
4154 cmd.parm0 = rid;
4155
4156 memcpy_toio(ai->config_desc.card_ram_off,
4157 &ai->config_desc.rid_desc, sizeof(Rid));
4158
4159 rc = issuecommand(ai, &cmd, &rsp);
4160
4161 if (rsp.status & 0x7f00)
4162 rc = rsp.rsp0;
4163 if (!rc)
4164 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4165 goto done;
4166 } else {
4167 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4168 rc = status;
4169 goto done;
4170 }
4171 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4172 rc = ERROR;
4173 goto done;
4174 }
4175 // read the rid length field
4176 bap_read(ai, pBuf, 2, BAP1);
4177 // length for remaining part of rid
4178 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4179
4180 if ( len <= 2 ) {
4181 airo_print_err(ai->dev->name,
4182 "Rid %x has a length of %d which is too short",
4183 (int)rid, (int)len );
4184 rc = ERROR;
4185 goto done;
4186 }
4187 // read remainder of the rid
4188 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4189 }
4190done:
4191 if (lock)
4192 up(&ai->sem);
4193 return rc;
4194}
4195
4196/* Note, that we are using BAP1 which is also used by transmit, so
4197 * make sure this isn't called when a transmit is happening */
4198static int PC4500_writerid(struct airo_info *ai, u16 rid,
4199 const void *pBuf, int len, int lock)
4200{
4201 u16 status;
4202 int rc = SUCCESS;
4203
4204 *(__le16*)pBuf = cpu_to_le16((u16)len);
4205
4206 if (lock) {
4207 if (down_interruptible(&ai->sem))
4208 return ERROR;
4209 }
4210 if (test_bit(FLAG_MPI,&ai->flags)) {
4211 Cmd cmd;
4212 Resp rsp;
4213
4214 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4215 airo_print_err(ai->dev->name,
4216 "%s: MAC should be disabled (rid=%04x)",
4217 __func__, rid);
4218 memset(&cmd, 0, sizeof(cmd));
4219 memset(&rsp, 0, sizeof(rsp));
4220
4221 ai->config_desc.rid_desc.valid = 1;
4222 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4223 ai->config_desc.rid_desc.rid = 0;
4224
4225 cmd.cmd = CMD_WRITERID;
4226 cmd.parm0 = rid;
4227
4228 memcpy_toio(ai->config_desc.card_ram_off,
4229 &ai->config_desc.rid_desc, sizeof(Rid));
4230
4231 if (len < 4 || len > 2047) {
4232 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4233 rc = -1;
4234 } else {
4235 memcpy(ai->config_desc.virtual_host_addr,
4236 pBuf, len);
4237
4238 rc = issuecommand(ai, &cmd, &rsp);
4239 if ((rc & 0xff00) != 0) {
4240 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4241 __func__, rc);
4242 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4243 __func__, cmd.cmd);
4244 }
4245
4246 if ((rsp.status & 0x7f00))
4247 rc = rsp.rsp0;
4248 }
4249 } else {
4250 // --- first access so that we can write the rid data
4251 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4252 rc = status;
4253 goto done;
4254 }
4255 // --- now write the rid data
4256 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4257 rc = ERROR;
4258 goto done;
4259 }
4260 bap_write(ai, pBuf, len, BAP1);
4261 // ---now commit the rid data
4262 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4263 }
4264done:
4265 if (lock)
4266 up(&ai->sem);
4267 return rc;
4268}
4269
4270/* Allocates a FID to be used for transmitting packets. We only use
4271 one for now. */
4272static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4273{
4274 unsigned int loop = 3000;
4275 Cmd cmd;
4276 Resp rsp;
4277 u16 txFid;
4278 __le16 txControl;
4279
4280 cmd.cmd = CMD_ALLOCATETX;
4281 cmd.parm0 = lenPayload;
4282 if (down_interruptible(&ai->sem))
4283 return ERROR;
4284 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4285 txFid = ERROR;
4286 goto done;
4287 }
4288 if ( (rsp.status & 0xFF00) != 0) {
4289 txFid = ERROR;
4290 goto done;
4291 }
4292 /* wait for the allocate event/indication
4293 * It makes me kind of nervous that this can just sit here and spin,
4294 * but in practice it only loops like four times. */
4295 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4296 if (!loop) {
4297 txFid = ERROR;
4298 goto done;
4299 }
4300
4301 // get the allocated fid and acknowledge
4302 txFid = IN4500(ai, TXALLOCFID);
4303 OUT4500(ai, EVACK, EV_ALLOC);
4304
4305 /* The CARD is pretty cool since it converts the ethernet packet
4306 * into 802.11. Also note that we don't release the FID since we
4307 * will be using the same one over and over again. */
4308 /* We only have to setup the control once since we are not
4309 * releasing the fid. */
4310 if (raw)
4311 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4312 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4313 else
4314 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4315 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4316 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4317 txFid = ERROR;
4318 else
4319 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4320
4321done:
4322 up(&ai->sem);
4323
4324 return txFid;
4325}
4326
4327/* In general BAP1 is dedicated to transmiting packets. However,
4328 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4329 Make sure the BAP1 spinlock is held when this is called. */
4330static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4331{
4332 __le16 payloadLen;
4333 Cmd cmd;
4334 Resp rsp;
4335 int miclen = 0;
4336 u16 txFid = len;
4337 MICBuffer pMic;
4338
4339 len >>= 16;
4340
4341 if (len <= ETH_ALEN * 2) {
4342 airo_print_warn(ai->dev->name, "Short packet %d", len);
4343 return ERROR;
4344 }
4345 len -= ETH_ALEN * 2;
4346
4347 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4348 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4349 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4350 return ERROR;
4351 miclen = sizeof(pMic);
4352 }
4353 // packet is destination[6], source[6], payload[len-12]
4354 // write the payload length and dst/src/payload
4355 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4356 /* The hardware addresses aren't counted as part of the payload, so
4357 * we have to subtract the 12 bytes for the addresses off */
4358 payloadLen = cpu_to_le16(len + miclen);
4359 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4360 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4361 if (miclen)
4362 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4363 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4364 // issue the transmit command
4365 memset( &cmd, 0, sizeof( cmd ) );
4366 cmd.cmd = CMD_TRANSMIT;
4367 cmd.parm0 = txFid;
4368 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4369 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4370 return SUCCESS;
4371}
4372
4373static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4374{
4375 __le16 fc, payloadLen;
4376 Cmd cmd;
4377 Resp rsp;
4378 int hdrlen;
4379 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4380 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4381 u16 txFid = len;
4382 len >>= 16;
4383
4384 fc = *(__le16*)pPacket;
4385 hdrlen = header_len(fc);
4386
4387 if (len < hdrlen) {
4388 airo_print_warn(ai->dev->name, "Short packet %d", len);
4389 return ERROR;
4390 }
4391
4392 /* packet is 802.11 header + payload
4393 * write the payload length and dst/src/payload */
4394 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4395 /* The 802.11 header aren't counted as part of the payload, so
4396 * we have to subtract the header bytes off */
4397 payloadLen = cpu_to_le16(len-hdrlen);
4398 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4399 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4400 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4401 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4402
4403 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4404 // issue the transmit command
4405 memset( &cmd, 0, sizeof( cmd ) );
4406 cmd.cmd = CMD_TRANSMIT;
4407 cmd.parm0 = txFid;
4408 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4409 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4410 return SUCCESS;
4411}
4412
4413/*
4414 * This is the proc_fs routines. It is a bit messier than I would
4415 * like! Feel free to clean it up!
4416 */
4417
4418static ssize_t proc_read( struct file *file,
4419 char __user *buffer,
4420 size_t len,
4421 loff_t *offset);
4422
4423static ssize_t proc_write( struct file *file,
4424 const char __user *buffer,
4425 size_t len,
4426 loff_t *offset );
4427static int proc_close( struct inode *inode, struct file *file );
4428
4429static int proc_stats_open( struct inode *inode, struct file *file );
4430static int proc_statsdelta_open( struct inode *inode, struct file *file );
4431static int proc_status_open( struct inode *inode, struct file *file );
4432static int proc_SSID_open( struct inode *inode, struct file *file );
4433static int proc_APList_open( struct inode *inode, struct file *file );
4434static int proc_BSSList_open( struct inode *inode, struct file *file );
4435static int proc_config_open( struct inode *inode, struct file *file );
4436static int proc_wepkey_open( struct inode *inode, struct file *file );
4437
4438static const struct proc_ops proc_statsdelta_ops = {
4439 .proc_read = proc_read,
4440 .proc_open = proc_statsdelta_open,
4441 .proc_release = proc_close,
4442 .proc_lseek = default_llseek,
4443};
4444
4445static const struct proc_ops proc_stats_ops = {
4446 .proc_read = proc_read,
4447 .proc_open = proc_stats_open,
4448 .proc_release = proc_close,
4449 .proc_lseek = default_llseek,
4450};
4451
4452static const struct proc_ops proc_status_ops = {
4453 .proc_read = proc_read,
4454 .proc_open = proc_status_open,
4455 .proc_release = proc_close,
4456 .proc_lseek = default_llseek,
4457};
4458
4459static const struct proc_ops proc_SSID_ops = {
4460 .proc_read = proc_read,
4461 .proc_write = proc_write,
4462 .proc_open = proc_SSID_open,
4463 .proc_release = proc_close,
4464 .proc_lseek = default_llseek,
4465};
4466
4467static const struct proc_ops proc_BSSList_ops = {
4468 .proc_read = proc_read,
4469 .proc_write = proc_write,
4470 .proc_open = proc_BSSList_open,
4471 .proc_release = proc_close,
4472 .proc_lseek = default_llseek,
4473};
4474
4475static const struct proc_ops proc_APList_ops = {
4476 .proc_read = proc_read,
4477 .proc_write = proc_write,
4478 .proc_open = proc_APList_open,
4479 .proc_release = proc_close,
4480 .proc_lseek = default_llseek,
4481};
4482
4483static const struct proc_ops proc_config_ops = {
4484 .proc_read = proc_read,
4485 .proc_write = proc_write,
4486 .proc_open = proc_config_open,
4487 .proc_release = proc_close,
4488 .proc_lseek = default_llseek,
4489};
4490
4491static const struct proc_ops proc_wepkey_ops = {
4492 .proc_read = proc_read,
4493 .proc_write = proc_write,
4494 .proc_open = proc_wepkey_open,
4495 .proc_release = proc_close,
4496 .proc_lseek = default_llseek,
4497};
4498
4499static struct proc_dir_entry *airo_entry;
4500
4501struct proc_data {
4502 int release_buffer;
4503 int readlen;
4504 char *rbuffer;
4505 int writelen;
4506 int maxwritelen;
4507 char *wbuffer;
4508 void (*on_close) (struct inode *, struct file *);
4509};
4510
4511static int setup_proc_entry( struct net_device *dev,
4512 struct airo_info *apriv ) {
4513 struct proc_dir_entry *entry;
4514
4515 /* First setup the device directory */
4516 strcpy(apriv->proc_name,dev->name);
4517 apriv->proc_entry = proc_mkdir_mode(apriv->proc_name, airo_perm,
4518 airo_entry);
4519 if (!apriv->proc_entry)
4520 return -ENOMEM;
4521 proc_set_user(apriv->proc_entry, proc_kuid, proc_kgid);
4522
4523 /* Setup the StatsDelta */
4524 entry = proc_create_data("StatsDelta", 0444 & proc_perm,
4525 apriv->proc_entry, &proc_statsdelta_ops, dev);
4526 if (!entry)
4527 goto fail;
4528 proc_set_user(entry, proc_kuid, proc_kgid);
4529
4530 /* Setup the Stats */
4531 entry = proc_create_data("Stats", 0444 & proc_perm,
4532 apriv->proc_entry, &proc_stats_ops, dev);
4533 if (!entry)
4534 goto fail;
4535 proc_set_user(entry, proc_kuid, proc_kgid);
4536
4537 /* Setup the Status */
4538 entry = proc_create_data("Status", 0444 & proc_perm,
4539 apriv->proc_entry, &proc_status_ops, dev);
4540 if (!entry)
4541 goto fail;
4542 proc_set_user(entry, proc_kuid, proc_kgid);
4543
4544 /* Setup the Config */
4545 entry = proc_create_data("Config", proc_perm,
4546 apriv->proc_entry, &proc_config_ops, dev);
4547 if (!entry)
4548 goto fail;
4549 proc_set_user(entry, proc_kuid, proc_kgid);
4550
4551 /* Setup the SSID */
4552 entry = proc_create_data("SSID", proc_perm,
4553 apriv->proc_entry, &proc_SSID_ops, dev);
4554 if (!entry)
4555 goto fail;
4556 proc_set_user(entry, proc_kuid, proc_kgid);
4557
4558 /* Setup the APList */
4559 entry = proc_create_data("APList", proc_perm,
4560 apriv->proc_entry, &proc_APList_ops, dev);
4561 if (!entry)
4562 goto fail;
4563 proc_set_user(entry, proc_kuid, proc_kgid);
4564
4565 /* Setup the BSSList */
4566 entry = proc_create_data("BSSList", proc_perm,
4567 apriv->proc_entry, &proc_BSSList_ops, dev);
4568 if (!entry)
4569 goto fail;
4570 proc_set_user(entry, proc_kuid, proc_kgid);
4571
4572 /* Setup the WepKey */
4573 entry = proc_create_data("WepKey", proc_perm,
4574 apriv->proc_entry, &proc_wepkey_ops, dev);
4575 if (!entry)
4576 goto fail;
4577 proc_set_user(entry, proc_kuid, proc_kgid);
4578 return 0;
4579
4580fail:
4581 remove_proc_subtree(apriv->proc_name, airo_entry);
4582 return -ENOMEM;
4583}
4584
4585static int takedown_proc_entry( struct net_device *dev,
4586 struct airo_info *apriv )
4587{
4588 remove_proc_subtree(apriv->proc_name, airo_entry);
4589 return 0;
4590}
4591
4592/*
4593 * What we want from the proc_fs is to be able to efficiently read
4594 * and write the configuration. To do this, we want to read the
4595 * configuration when the file is opened and write it when the file is
4596 * closed. So basically we allocate a read buffer at open and fill it
4597 * with data, and allocate a write buffer and read it at close.
4598 */
4599
4600/*
4601 * The read routine is generic, it relies on the preallocated rbuffer
4602 * to supply the data.
4603 */
4604static ssize_t proc_read( struct file *file,
4605 char __user *buffer,
4606 size_t len,
4607 loff_t *offset )
4608{
4609 struct proc_data *priv = file->private_data;
4610
4611 if (!priv->rbuffer)
4612 return -EINVAL;
4613
4614 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4615 priv->readlen);
4616}
4617
4618/*
4619 * The write routine is generic, it fills in a preallocated rbuffer
4620 * to supply the data.
4621 */
4622static ssize_t proc_write( struct file *file,
4623 const char __user *buffer,
4624 size_t len,
4625 loff_t *offset )
4626{
4627 ssize_t ret;
4628 struct proc_data *priv = file->private_data;
4629
4630 if (!priv->wbuffer)
4631 return -EINVAL;
4632
4633 ret = simple_write_to_buffer(priv->wbuffer, priv->maxwritelen, offset,
4634 buffer, len);
4635 if (ret > 0)
4636 priv->writelen = max_t(int, priv->writelen, *offset);
4637
4638 return ret;
4639}
4640
4641static int proc_status_open(struct inode *inode, struct file *file)
4642{
4643 struct proc_data *data;
4644 struct net_device *dev = PDE_DATA(inode);
4645 struct airo_info *apriv = dev->ml_priv;
4646 CapabilityRid cap_rid;
4647 StatusRid status_rid;
4648 u16 mode;
4649 int i;
4650
4651 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4652 return -ENOMEM;
4653 data = file->private_data;
4654 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4655 kfree (file->private_data);
4656 return -ENOMEM;
4657 }
4658
4659 readStatusRid(apriv, &status_rid, 1);
4660 readCapabilityRid(apriv, &cap_rid, 1);
4661
4662 mode = le16_to_cpu(status_rid.mode);
4663
4664 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4665 mode & 1 ? "CFG ": "",
4666 mode & 2 ? "ACT ": "",
4667 mode & 0x10 ? "SYN ": "",
4668 mode & 0x20 ? "LNK ": "",
4669 mode & 0x40 ? "LEAP ": "",
4670 mode & 0x80 ? "PRIV ": "",
4671 mode & 0x100 ? "KEY ": "",
4672 mode & 0x200 ? "WEP ": "",
4673 mode & 0x8000 ? "ERR ": "");
4674 sprintf( data->rbuffer+i, "Mode: %x\n"
4675 "Signal Strength: %d\n"
4676 "Signal Quality: %d\n"
4677 "SSID: %-.*s\n"
4678 "AP: %-.16s\n"
4679 "Freq: %d\n"
4680 "BitRate: %dmbs\n"
4681 "Driver Version: %s\n"
4682 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4683 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4684 "Software Version: %x\nSoftware Subversion: %x\n"
4685 "Boot block version: %x\n",
4686 le16_to_cpu(status_rid.mode),
4687 le16_to_cpu(status_rid.normalizedSignalStrength),
4688 le16_to_cpu(status_rid.signalQuality),
4689 le16_to_cpu(status_rid.SSIDlen),
4690 status_rid.SSID,
4691 status_rid.apName,
4692 le16_to_cpu(status_rid.channel),
4693 le16_to_cpu(status_rid.currentXmitRate) / 2,
4694 version,
4695 cap_rid.prodName,
4696 cap_rid.manName,
4697 cap_rid.prodVer,
4698 le16_to_cpu(cap_rid.radioType),
4699 le16_to_cpu(cap_rid.country),
4700 le16_to_cpu(cap_rid.hardVer),
4701 le16_to_cpu(cap_rid.softVer),
4702 le16_to_cpu(cap_rid.softSubVer),
4703 le16_to_cpu(cap_rid.bootBlockVer));
4704 data->readlen = strlen( data->rbuffer );
4705 return 0;
4706}
4707
4708static int proc_stats_rid_open(struct inode*, struct file*, u16);
4709static int proc_statsdelta_open( struct inode *inode,
4710 struct file *file ) {
4711 if (file->f_mode&FMODE_WRITE) {
4712 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4713 }
4714 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4715}
4716
4717static int proc_stats_open( struct inode *inode, struct file *file ) {
4718 return proc_stats_rid_open(inode, file, RID_STATS);
4719}
4720
4721static int proc_stats_rid_open( struct inode *inode,
4722 struct file *file,
4723 u16 rid )
4724{
4725 struct proc_data *data;
4726 struct net_device *dev = PDE_DATA(inode);
4727 struct airo_info *apriv = dev->ml_priv;
4728 StatsRid stats;
4729 int i, j;
4730 __le32 *vals = stats.vals;
4731 int len;
4732
4733 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4734 return -ENOMEM;
4735 data = file->private_data;
4736 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4737 kfree (file->private_data);
4738 return -ENOMEM;
4739 }
4740
4741 readStatsRid(apriv, &stats, rid, 1);
4742 len = le16_to_cpu(stats.len);
4743
4744 j = 0;
4745 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4746 if (!statsLabels[i]) continue;
4747 if (j+strlen(statsLabels[i])+16>4096) {
4748 airo_print_warn(apriv->dev->name,
4749 "Potentially disastrous buffer overflow averted!");
4750 break;
4751 }
4752 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4753 le32_to_cpu(vals[i]));
4754 }
4755 if (i*4 >= len) {
4756 airo_print_warn(apriv->dev->name, "Got a short rid");
4757 }
4758 data->readlen = j;
4759 return 0;
4760}
4761
4762static int get_dec_u16( char *buffer, int *start, int limit ) {
4763 u16 value;
4764 int valid = 0;
4765 for (value = 0; *start < limit && buffer[*start] >= '0' &&
4766 buffer[*start] <= '9'; (*start)++) {
4767 valid = 1;
4768 value *= 10;
4769 value += buffer[*start] - '0';
4770 }
4771 if ( !valid ) return -1;
4772 return value;
4773}
4774
4775static int airo_config_commit(struct net_device *dev,
4776 struct iw_request_info *info, void *zwrq,
4777 char *extra);
4778
4779static inline int sniffing_mode(struct airo_info *ai)
4780{
4781 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >=
4782 le16_to_cpu(RXMODE_RFMON);
4783}
4784
4785static void proc_config_on_close(struct inode *inode, struct file *file)
4786{
4787 struct proc_data *data = file->private_data;
4788 struct net_device *dev = PDE_DATA(inode);
4789 struct airo_info *ai = dev->ml_priv;
4790 char *line;
4791
4792 if ( !data->writelen ) return;
4793
4794 readConfigRid(ai, 1);
4795 set_bit (FLAG_COMMIT, &ai->flags);
4796
4797 line = data->wbuffer;
4798 while( line[0] ) {
4799/*** Mode processing */
4800 if ( !strncmp( line, "Mode: ", 6 ) ) {
4801 line += 6;
4802 if (sniffing_mode(ai))
4803 set_bit (FLAG_RESET, &ai->flags);
4804 ai->config.rmode &= ~RXMODE_FULL_MASK;
4805 clear_bit (FLAG_802_11, &ai->flags);
4806 ai->config.opmode &= ~MODE_CFG_MASK;
4807 ai->config.scanMode = SCANMODE_ACTIVE;
4808 if ( line[0] == 'a' ) {
4809 ai->config.opmode |= MODE_STA_IBSS;
4810 } else {
4811 ai->config.opmode |= MODE_STA_ESS;
4812 if ( line[0] == 'r' ) {
4813 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4814 ai->config.scanMode = SCANMODE_PASSIVE;
4815 set_bit (FLAG_802_11, &ai->flags);
4816 } else if ( line[0] == 'y' ) {
4817 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4818 ai->config.scanMode = SCANMODE_PASSIVE;
4819 set_bit (FLAG_802_11, &ai->flags);
4820 } else if ( line[0] == 'l' )
4821 ai->config.rmode |= RXMODE_LANMON;
4822 }
4823 set_bit (FLAG_COMMIT, &ai->flags);
4824 }
4825
4826/*** Radio status */
4827 else if (!strncmp(line,"Radio: ", 7)) {
4828 line += 7;
4829 if (!strncmp(line,"off",3)) {
4830 set_bit (FLAG_RADIO_OFF, &ai->flags);
4831 } else {
4832 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4833 }
4834 }
4835/*** NodeName processing */
4836 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4837 int j;
4838
4839 line += 10;
4840 memset( ai->config.nodeName, 0, 16 );
4841/* Do the name, assume a space between the mode and node name */
4842 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4843 ai->config.nodeName[j] = line[j];
4844 }
4845 set_bit (FLAG_COMMIT, &ai->flags);
4846 }
4847
4848/*** PowerMode processing */
4849 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4850 line += 11;
4851 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4852 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4853 set_bit (FLAG_COMMIT, &ai->flags);
4854 } else if ( !strncmp( line, "PSP", 3 ) ) {
4855 ai->config.powerSaveMode = POWERSAVE_PSP;
4856 set_bit (FLAG_COMMIT, &ai->flags);
4857 } else {
4858 ai->config.powerSaveMode = POWERSAVE_CAM;
4859 set_bit (FLAG_COMMIT, &ai->flags);
4860 }
4861 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4862 int v, i = 0, k = 0; /* i is index into line,
4863 k is index to rates */
4864
4865 line += 11;
4866 while((v = get_dec_u16(line, &i, 3))!=-1) {
4867 ai->config.rates[k++] = (u8)v;
4868 line += i + 1;
4869 i = 0;
4870 }
4871 set_bit (FLAG_COMMIT, &ai->flags);
4872 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4873 int v, i = 0;
4874 line += 9;
4875 v = get_dec_u16(line, &i, i+3);
4876 if ( v != -1 ) {
4877 ai->config.channelSet = cpu_to_le16(v);
4878 set_bit (FLAG_COMMIT, &ai->flags);
4879 }
4880 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4881 int v, i = 0;
4882 line += 11;
4883 v = get_dec_u16(line, &i, i+3);
4884 if ( v != -1 ) {
4885 ai->config.txPower = cpu_to_le16(v);
4886 set_bit (FLAG_COMMIT, &ai->flags);
4887 }
4888 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4889 line += 5;
4890 switch( line[0] ) {
4891 case 's':
4892 set_auth_type(ai, AUTH_SHAREDKEY);
4893 break;
4894 case 'e':
4895 set_auth_type(ai, AUTH_ENCRYPT);
4896 break;
4897 default:
4898 set_auth_type(ai, AUTH_OPEN);
4899 break;
4900 }
4901 set_bit (FLAG_COMMIT, &ai->flags);
4902 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4903 int v, i = 0;
4904
4905 line += 16;
4906 v = get_dec_u16(line, &i, 3);
4907 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4908 ai->config.longRetryLimit = cpu_to_le16(v);
4909 set_bit (FLAG_COMMIT, &ai->flags);
4910 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4911 int v, i = 0;
4912
4913 line += 17;
4914 v = get_dec_u16(line, &i, 3);
4915 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4916 ai->config.shortRetryLimit = cpu_to_le16(v);
4917 set_bit (FLAG_COMMIT, &ai->flags);
4918 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4919 int v, i = 0;
4920
4921 line += 14;
4922 v = get_dec_u16(line, &i, 4);
4923 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4924 ai->config.rtsThres = cpu_to_le16(v);
4925 set_bit (FLAG_COMMIT, &ai->flags);
4926 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4927 int v, i = 0;
4928
4929 line += 16;
4930 v = get_dec_u16(line, &i, 5);
4931 v = (v<0) ? 0 : v;
4932 ai->config.txLifetime = cpu_to_le16(v);
4933 set_bit (FLAG_COMMIT, &ai->flags);
4934 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4935 int v, i = 0;
4936
4937 line += 16;
4938 v = get_dec_u16(line, &i, 5);
4939 v = (v<0) ? 0 : v;
4940 ai->config.rxLifetime = cpu_to_le16(v);
4941 set_bit (FLAG_COMMIT, &ai->flags);
4942 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4943 ai->config.txDiversity =
4944 (line[13]=='l') ? 1 :
4945 ((line[13]=='r')? 2: 3);
4946 set_bit (FLAG_COMMIT, &ai->flags);
4947 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4948 ai->config.rxDiversity =
4949 (line[13]=='l') ? 1 :
4950 ((line[13]=='r')? 2: 3);
4951 set_bit (FLAG_COMMIT, &ai->flags);
4952 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4953 int v, i = 0;
4954
4955 line += 15;
4956 v = get_dec_u16(line, &i, 4);
4957 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4958 v = v & 0xfffe; /* Make sure its even */
4959 ai->config.fragThresh = cpu_to_le16(v);
4960 set_bit (FLAG_COMMIT, &ai->flags);
4961 } else if (!strncmp(line, "Modulation: ", 12)) {
4962 line += 12;
4963 switch(*line) {
4964 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4965 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4966 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4967 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4968 }
4969 } else if (!strncmp(line, "Preamble: ", 10)) {
4970 line += 10;
4971 switch(*line) {
4972 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4973 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4974 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4975 default: airo_print_warn(ai->dev->name, "Unknown preamble");
4976 }
4977 } else {
4978 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
4979 }
4980 while( line[0] && line[0] != '\n' ) line++;
4981 if ( line[0] ) line++;
4982 }
4983 airo_config_commit(dev, NULL, NULL, NULL);
4984}
4985
4986static const char *get_rmode(__le16 mode)
4987{
4988 switch(mode & RXMODE_MASK) {
4989 case RXMODE_RFMON: return "rfmon";
4990 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
4991 case RXMODE_LANMON: return "lanmon";
4992 }
4993 return "ESS";
4994}
4995
4996static int proc_config_open(struct inode *inode, struct file *file)
4997{
4998 struct proc_data *data;
4999 struct net_device *dev = PDE_DATA(inode);
5000 struct airo_info *ai = dev->ml_priv;
5001 int i;
5002 __le16 mode;
5003
5004 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5005 return -ENOMEM;
5006 data = file->private_data;
5007 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5008 kfree (file->private_data);
5009 return -ENOMEM;
5010 }
5011 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5012 kfree (data->rbuffer);
5013 kfree (file->private_data);
5014 return -ENOMEM;
5015 }
5016 data->maxwritelen = 2048;
5017 data->on_close = proc_config_on_close;
5018
5019 readConfigRid(ai, 1);
5020
5021 mode = ai->config.opmode & MODE_CFG_MASK;
5022 i = sprintf( data->rbuffer,
5023 "Mode: %s\n"
5024 "Radio: %s\n"
5025 "NodeName: %-16s\n"
5026 "PowerMode: %s\n"
5027 "DataRates: %d %d %d %d %d %d %d %d\n"
5028 "Channel: %d\n"
5029 "XmitPower: %d\n",
5030 mode == MODE_STA_IBSS ? "adhoc" :
5031 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5032 mode == MODE_AP ? "AP" :
5033 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5034 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5035 ai->config.nodeName,
5036 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5037 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5038 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5039 "Error",
5040 (int)ai->config.rates[0],
5041 (int)ai->config.rates[1],
5042 (int)ai->config.rates[2],
5043 (int)ai->config.rates[3],
5044 (int)ai->config.rates[4],
5045 (int)ai->config.rates[5],
5046 (int)ai->config.rates[6],
5047 (int)ai->config.rates[7],
5048 le16_to_cpu(ai->config.channelSet),
5049 le16_to_cpu(ai->config.txPower)
5050 );
5051 sprintf( data->rbuffer + i,
5052 "LongRetryLimit: %d\n"
5053 "ShortRetryLimit: %d\n"
5054 "RTSThreshold: %d\n"
5055 "TXMSDULifetime: %d\n"
5056 "RXMSDULifetime: %d\n"
5057 "TXDiversity: %s\n"
5058 "RXDiversity: %s\n"
5059 "FragThreshold: %d\n"
5060 "WEP: %s\n"
5061 "Modulation: %s\n"
5062 "Preamble: %s\n",
5063 le16_to_cpu(ai->config.longRetryLimit),
5064 le16_to_cpu(ai->config.shortRetryLimit),
5065 le16_to_cpu(ai->config.rtsThres),
5066 le16_to_cpu(ai->config.txLifetime),
5067 le16_to_cpu(ai->config.rxLifetime),
5068 ai->config.txDiversity == 1 ? "left" :
5069 ai->config.txDiversity == 2 ? "right" : "both",
5070 ai->config.rxDiversity == 1 ? "left" :
5071 ai->config.rxDiversity == 2 ? "right" : "both",
5072 le16_to_cpu(ai->config.fragThresh),
5073 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5074 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5075 ai->config.modulation == MOD_DEFAULT ? "default" :
5076 ai->config.modulation == MOD_CCK ? "cck" :
5077 ai->config.modulation == MOD_MOK ? "mok" : "error",
5078 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5079 ai->config.preamble == PREAMBLE_LONG ? "long" :
5080 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5081 );
5082 data->readlen = strlen( data->rbuffer );
5083 return 0;
5084}
5085
5086static void proc_SSID_on_close(struct inode *inode, struct file *file)
5087{
5088 struct proc_data *data = file->private_data;
5089 struct net_device *dev = PDE_DATA(inode);
5090 struct airo_info *ai = dev->ml_priv;
5091 SsidRid SSID_rid;
5092 int i;
5093 char *p = data->wbuffer;
5094 char *end = p + data->writelen;
5095
5096 if (!data->writelen)
5097 return;
5098
5099 *end = '\n'; /* sentinel; we have space for it */
5100
5101 memset(&SSID_rid, 0, sizeof(SSID_rid));
5102
5103 for (i = 0; i < 3 && p < end; i++) {
5104 int j = 0;
5105 /* copy up to 32 characters from this line */
5106 while (*p != '\n' && j < 32)
5107 SSID_rid.ssids[i].ssid[j++] = *p++;
5108 if (j == 0)
5109 break;
5110 SSID_rid.ssids[i].len = cpu_to_le16(j);
5111 /* skip to the beginning of the next line */
5112 while (*p++ != '\n')
5113 ;
5114 }
5115 if (i)
5116 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5117 disable_MAC(ai, 1);
5118 writeSsidRid(ai, &SSID_rid, 1);
5119 enable_MAC(ai, 1);
5120}
5121
5122static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5123 struct proc_data *data = file->private_data;
5124 struct net_device *dev = PDE_DATA(inode);
5125 struct airo_info *ai = dev->ml_priv;
5126 APListRid *APList_rid = &ai->APList;
5127 int i;
5128
5129 if ( !data->writelen ) return;
5130
5131 memset(APList_rid, 0, sizeof(*APList_rid));
5132 APList_rid->len = cpu_to_le16(sizeof(*APList_rid));
5133
5134 for (i = 0; i < 4 && data->writelen >= (i + 1) * 6 * 3; i++)
5135 mac_pton(data->wbuffer + i * 6 * 3, APList_rid->ap[i]);
5136
5137 disable_MAC(ai, 1);
5138 writeAPListRid(ai, APList_rid, 1);
5139 enable_MAC(ai, 1);
5140}
5141
5142/* This function wraps PC4500_writerid with a MAC disable */
5143static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5144 int len, int dummy ) {
5145 int rc;
5146
5147 disable_MAC(ai, 1);
5148 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5149 enable_MAC(ai, 1);
5150 return rc;
5151}
5152
5153/* Returns the WEP key at the specified index, or -1 if that key does
5154 * not exist. The buffer is assumed to be at least 16 bytes in length.
5155 */
5156static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5157{
5158 WepKeyRid wkr;
5159 int rc;
5160 __le16 lastindex;
5161
5162 rc = readWepKeyRid(ai, &wkr, 1, 1);
5163 if (rc != SUCCESS)
5164 return -1;
5165 do {
5166 lastindex = wkr.kindex;
5167 if (le16_to_cpu(wkr.kindex) == index) {
5168 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5169 memcpy(buf, wkr.key, klen);
5170 return klen;
5171 }
5172 rc = readWepKeyRid(ai, &wkr, 0, 1);
5173 if (rc != SUCCESS)
5174 return -1;
5175 } while (lastindex != wkr.kindex);
5176 return -1;
5177}
5178
5179static int get_wep_tx_idx(struct airo_info *ai)
5180{
5181 WepKeyRid wkr;
5182 int rc;
5183 __le16 lastindex;
5184
5185 rc = readWepKeyRid(ai, &wkr, 1, 1);
5186 if (rc != SUCCESS)
5187 return -1;
5188 do {
5189 lastindex = wkr.kindex;
5190 if (wkr.kindex == cpu_to_le16(0xffff))
5191 return wkr.mac[0];
5192 rc = readWepKeyRid(ai, &wkr, 0, 1);
5193 if (rc != SUCCESS)
5194 return -1;
5195 } while (lastindex != wkr.kindex);
5196 return -1;
5197}
5198
5199static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5200 u16 keylen, int perm, int lock)
5201{
5202 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5203 WepKeyRid wkr;
5204 int rc;
5205
5206 if (WARN_ON(keylen == 0))
5207 return -1;
5208
5209 memset(&wkr, 0, sizeof(wkr));
5210 wkr.len = cpu_to_le16(sizeof(wkr));
5211 wkr.kindex = cpu_to_le16(index);
5212 wkr.klen = cpu_to_le16(keylen);
5213 memcpy(wkr.key, key, keylen);
5214 memcpy(wkr.mac, macaddr, ETH_ALEN);
5215
5216 if (perm) disable_MAC(ai, lock);
5217 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5218 if (perm) enable_MAC(ai, lock);
5219 return rc;
5220}
5221
5222static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5223{
5224 WepKeyRid wkr;
5225 int rc;
5226
5227 memset(&wkr, 0, sizeof(wkr));
5228 wkr.len = cpu_to_le16(sizeof(wkr));
5229 wkr.kindex = cpu_to_le16(0xffff);
5230 wkr.mac[0] = (char)index;
5231
5232 if (perm) {
5233 ai->defindex = (char)index;
5234 disable_MAC(ai, lock);
5235 }
5236
5237 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5238
5239 if (perm)
5240 enable_MAC(ai, lock);
5241 return rc;
5242}
5243
5244static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5245 struct proc_data *data;
5246 struct net_device *dev = PDE_DATA(inode);
5247 struct airo_info *ai = dev->ml_priv;
5248 int i, rc;
5249 char key[16];
5250 u16 index = 0;
5251 int j = 0;
5252
5253 memset(key, 0, sizeof(key));
5254
5255 data = file->private_data;
5256 if ( !data->writelen ) return;
5257
5258 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5259 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5260 index = data->wbuffer[0] - '0';
5261 if (data->wbuffer[1] == '\n') {
5262 rc = set_wep_tx_idx(ai, index, 1, 1);
5263 if (rc < 0) {
5264 airo_print_err(ai->dev->name, "failed to set "
5265 "WEP transmit index to %d: %d.",
5266 index, rc);
5267 }
5268 return;
5269 }
5270 j = 2;
5271 } else {
5272 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5273 return;
5274 }
5275
5276 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5277 switch(i%3) {
5278 case 0:
5279 key[i/3] = hex_to_bin(data->wbuffer[i+j])<<4;
5280 break;
5281 case 1:
5282 key[i/3] |= hex_to_bin(data->wbuffer[i+j]);
5283 break;
5284 }
5285 }
5286
5287 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5288 if (rc < 0) {
5289 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5290 "%d: %d.", index, rc);
5291 }
5292}
5293
5294static int proc_wepkey_open( struct inode *inode, struct file *file )
5295{
5296 struct proc_data *data;
5297 struct net_device *dev = PDE_DATA(inode);
5298 struct airo_info *ai = dev->ml_priv;
5299 char *ptr;
5300 WepKeyRid wkr;
5301 __le16 lastindex;
5302 int j=0;
5303 int rc;
5304
5305 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5306 return -ENOMEM;
5307 memset(&wkr, 0, sizeof(wkr));
5308 data = file->private_data;
5309 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5310 kfree (file->private_data);
5311 return -ENOMEM;
5312 }
5313 data->writelen = 0;
5314 data->maxwritelen = 80;
5315 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5316 kfree (data->rbuffer);
5317 kfree (file->private_data);
5318 return -ENOMEM;
5319 }
5320 data->on_close = proc_wepkey_on_close;
5321
5322 ptr = data->rbuffer;
5323 strcpy(ptr, "No wep keys\n");
5324 rc = readWepKeyRid(ai, &wkr, 1, 1);
5325 if (rc == SUCCESS) do {
5326 lastindex = wkr.kindex;
5327 if (wkr.kindex == cpu_to_le16(0xffff)) {
5328 j += sprintf(ptr+j, "Tx key = %d\n",
5329 (int)wkr.mac[0]);
5330 } else {
5331 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5332 le16_to_cpu(wkr.kindex),
5333 le16_to_cpu(wkr.klen));
5334 }
5335 readWepKeyRid(ai, &wkr, 0, 1);
5336 } while((lastindex != wkr.kindex) && (j < 180-30));
5337
5338 data->readlen = strlen( data->rbuffer );
5339 return 0;
5340}
5341
5342static int proc_SSID_open(struct inode *inode, struct file *file)
5343{
5344 struct proc_data *data;
5345 struct net_device *dev = PDE_DATA(inode);
5346 struct airo_info *ai = dev->ml_priv;
5347 int i;
5348 char *ptr;
5349 SsidRid SSID_rid;
5350
5351 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5352 return -ENOMEM;
5353 data = file->private_data;
5354 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5355 kfree (file->private_data);
5356 return -ENOMEM;
5357 }
5358 data->writelen = 0;
5359 data->maxwritelen = 33*3;
5360 /* allocate maxwritelen + 1; we'll want a sentinel */
5361 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5362 kfree (data->rbuffer);
5363 kfree (file->private_data);
5364 return -ENOMEM;
5365 }
5366 data->on_close = proc_SSID_on_close;
5367
5368 readSsidRid(ai, &SSID_rid);
5369 ptr = data->rbuffer;
5370 for (i = 0; i < 3; i++) {
5371 int j;
5372 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5373 if (!len)
5374 break;
5375 if (len > 32)
5376 len = 32;
5377 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5378 *ptr++ = SSID_rid.ssids[i].ssid[j];
5379 *ptr++ = '\n';
5380 }
5381 *ptr = '\0';
5382 data->readlen = strlen( data->rbuffer );
5383 return 0;
5384}
5385
5386static int proc_APList_open( struct inode *inode, struct file *file ) {
5387 struct proc_data *data;
5388 struct net_device *dev = PDE_DATA(inode);
5389 struct airo_info *ai = dev->ml_priv;
5390 int i;
5391 char *ptr;
5392 APListRid *APList_rid = &ai->APList;
5393
5394 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5395 return -ENOMEM;
5396 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 = 4*6*3;
5403 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5404 kfree (data->rbuffer);
5405 kfree (file->private_data);
5406 return -ENOMEM;
5407 }
5408 data->on_close = proc_APList_on_close;
5409
5410 ptr = data->rbuffer;
5411 for( i = 0; i < 4; i++ ) {
5412// We end when we find a zero MAC
5413 if ( !*(int*)APList_rid->ap[i] &&
5414 !*(int*)&APList_rid->ap[i][2]) break;
5415 ptr += sprintf(ptr, "%pM\n", APList_rid->ap[i]);
5416 }
5417 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5418
5419 *ptr = '\0';
5420 data->readlen = strlen( data->rbuffer );
5421 return 0;
5422}
5423
5424static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5425 struct proc_data *data;
5426 struct net_device *dev = PDE_DATA(inode);
5427 struct airo_info *ai = dev->ml_priv;
5428 char *ptr;
5429 BSSListRid BSSList_rid;
5430 int rc;
5431 /* If doLoseSync is not 1, we won't do a Lose Sync */
5432 int doLoseSync = -1;
5433
5434 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5435 return -ENOMEM;
5436 data = file->private_data;
5437 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5438 kfree (file->private_data);
5439 return -ENOMEM;
5440 }
5441 data->writelen = 0;
5442 data->maxwritelen = 0;
5443 data->wbuffer = NULL;
5444 data->on_close = NULL;
5445
5446 if (file->f_mode & FMODE_WRITE) {
5447 if (!(file->f_mode & FMODE_READ)) {
5448 Cmd cmd;
5449 Resp rsp;
5450
5451 if (ai->flags & FLAG_RADIO_MASK) {
5452 kfree(data->rbuffer);
5453 kfree(file->private_data);
5454 return -ENETDOWN;
5455 }
5456 memset(&cmd, 0, sizeof(cmd));
5457 cmd.cmd=CMD_LISTBSS;
5458 if (down_interruptible(&ai->sem)) {
5459 kfree(data->rbuffer);
5460 kfree(file->private_data);
5461 return -ERESTARTSYS;
5462 }
5463 issuecommand(ai, &cmd, &rsp);
5464 up(&ai->sem);
5465 data->readlen = 0;
5466 return 0;
5467 }
5468 doLoseSync = 1;
5469 }
5470 ptr = data->rbuffer;
5471 /* There is a race condition here if there are concurrent opens.
5472 Since it is a rare condition, we'll just live with it, otherwise
5473 we have to add a spin lock... */
5474 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5475 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5476 ptr += sprintf(ptr, "%pM %.*s rssi = %d",
5477 BSSList_rid.bssid,
5478 (int)BSSList_rid.ssidLen,
5479 BSSList_rid.ssid,
5480 le16_to_cpu(BSSList_rid.dBm));
5481 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5482 le16_to_cpu(BSSList_rid.dsChannel),
5483 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5484 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5485 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5486 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5487 rc = readBSSListRid(ai, 0, &BSSList_rid);
5488 }
5489 *ptr = '\0';
5490 data->readlen = strlen( data->rbuffer );
5491 return 0;
5492}
5493
5494static int proc_close( struct inode *inode, struct file *file )
5495{
5496 struct proc_data *data = file->private_data;
5497
5498 if (data->on_close != NULL)
5499 data->on_close(inode, file);
5500 kfree(data->rbuffer);
5501 kfree(data->wbuffer);
5502 kfree(data);
5503 return 0;
5504}
5505
5506/* Since the card doesn't automatically switch to the right WEP mode,
5507 we will make it do it. If the card isn't associated, every secs we
5508 will switch WEP modes to see if that will help. If the card is
5509 associated we will check every minute to see if anything has
5510 changed. */
5511static void timer_func( struct net_device *dev ) {
5512 struct airo_info *apriv = dev->ml_priv;
5513
5514/* We don't have a link so try changing the authtype */
5515 readConfigRid(apriv, 0);
5516 disable_MAC(apriv, 0);
5517 switch(apriv->config.authType) {
5518 case AUTH_ENCRYPT:
5519/* So drop to OPEN */
5520 apriv->config.authType = AUTH_OPEN;
5521 break;
5522 case AUTH_SHAREDKEY:
5523 if (apriv->keyindex < auto_wep) {
5524 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
5525 apriv->config.authType = AUTH_SHAREDKEY;
5526 apriv->keyindex++;
5527 } else {
5528 /* Drop to ENCRYPT */
5529 apriv->keyindex = 0;
5530 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
5531 apriv->config.authType = AUTH_ENCRYPT;
5532 }
5533 break;
5534 default: /* We'll escalate to SHAREDKEY */
5535 apriv->config.authType = AUTH_SHAREDKEY;
5536 }
5537 set_bit (FLAG_COMMIT, &apriv->flags);
5538 writeConfigRid(apriv, 0);
5539 enable_MAC(apriv, 0);
5540 up(&apriv->sem);
5541
5542/* Schedule check to see if the change worked */
5543 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5544 apriv->expires = RUN_AT(HZ*3);
5545}
5546
5547#ifdef CONFIG_PCI
5548static int airo_pci_probe(struct pci_dev *pdev,
5549 const struct pci_device_id *pent)
5550{
5551 struct net_device *dev;
5552
5553 if (pci_enable_device(pdev))
5554 return -ENODEV;
5555 pci_set_master(pdev);
5556
5557 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5558 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5559 else
5560 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5561 if (!dev) {
5562 pci_disable_device(pdev);
5563 return -ENODEV;
5564 }
5565
5566 pci_set_drvdata(pdev, dev);
5567 return 0;
5568}
5569
5570static void airo_pci_remove(struct pci_dev *pdev)
5571{
5572 struct net_device *dev = pci_get_drvdata(pdev);
5573
5574 airo_print_info(dev->name, "Unregistering...");
5575 stop_airo_card(dev, 1);
5576 pci_disable_device(pdev);
5577}
5578
5579static int __maybe_unused airo_pci_suspend(struct device *dev_d)
5580{
5581 struct net_device *dev = dev_get_drvdata(dev_d);
5582 struct airo_info *ai = dev->ml_priv;
5583 Cmd cmd;
5584 Resp rsp;
5585
5586 if (!ai->SSID)
5587 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5588 if (!ai->SSID)
5589 return -ENOMEM;
5590 readSsidRid(ai, ai->SSID);
5591 memset(&cmd, 0, sizeof(cmd));
5592 /* the lock will be released at the end of the resume callback */
5593 if (down_interruptible(&ai->sem))
5594 return -EAGAIN;
5595 disable_MAC(ai, 0);
5596 netif_device_detach(dev);
5597 ai->power = PMSG_SUSPEND;
5598 cmd.cmd = HOSTSLEEP;
5599 issuecommand(ai, &cmd, &rsp);
5600
5601 device_wakeup_enable(dev_d);
5602 return 0;
5603}
5604
5605static int __maybe_unused airo_pci_resume(struct device *dev_d)
5606{
5607 struct net_device *dev = dev_get_drvdata(dev_d);
5608 struct airo_info *ai = dev->ml_priv;
5609 pci_power_t prev_state = to_pci_dev(dev_d)->current_state;
5610
5611 device_wakeup_disable(dev_d);
5612
5613 if (prev_state != PCI_D1) {
5614 reset_card(dev, 0);
5615 mpi_init_descriptors(ai);
5616 setup_card(ai, dev->dev_addr, 0);
5617 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5618 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5619 } else {
5620 OUT4500(ai, EVACK, EV_AWAKEN);
5621 OUT4500(ai, EVACK, EV_AWAKEN);
5622 msleep(100);
5623 }
5624
5625 set_bit(FLAG_COMMIT, &ai->flags);
5626 disable_MAC(ai, 0);
5627 msleep(200);
5628 if (ai->SSID) {
5629 writeSsidRid(ai, ai->SSID, 0);
5630 kfree(ai->SSID);
5631 ai->SSID = NULL;
5632 }
5633 writeAPListRid(ai, &ai->APList, 0);
5634 writeConfigRid(ai, 0);
5635 enable_MAC(ai, 0);
5636 ai->power = PMSG_ON;
5637 netif_device_attach(dev);
5638 netif_wake_queue(dev);
5639 enable_interrupts(ai);
5640 up(&ai->sem);
5641 return 0;
5642}
5643#endif
5644
5645static int __init airo_init_module( void )
5646{
5647 int i;
5648
5649 proc_kuid = make_kuid(&init_user_ns, proc_uid);
5650 proc_kgid = make_kgid(&init_user_ns, proc_gid);
5651 if (!uid_valid(proc_kuid) || !gid_valid(proc_kgid))
5652 return -EINVAL;
5653
5654 airo_entry = proc_mkdir_mode("driver/aironet", airo_perm, NULL);
5655
5656 if (airo_entry)
5657 proc_set_user(airo_entry, proc_kuid, proc_kgid);
5658
5659 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5660 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5661 "io=0x%x", irq[i], io[i] );
5662 if (init_airo_card( irq[i], io[i], 0, NULL ))
5663 /* do nothing */ ;
5664 }
5665
5666#ifdef CONFIG_PCI
5667 airo_print_info("", "Probing for PCI adapters");
5668 i = pci_register_driver(&airo_driver);
5669 airo_print_info("", "Finished probing for PCI adapters");
5670
5671 if (i) {
5672 remove_proc_entry("driver/aironet", NULL);
5673 return i;
5674 }
5675#endif
5676
5677 /* Always exit with success, as we are a library module
5678 * as well as a driver module
5679 */
5680 return 0;
5681}
5682
5683static void __exit airo_cleanup_module( void )
5684{
5685 struct airo_info *ai;
5686 while(!list_empty(&airo_devices)) {
5687 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5688 airo_print_info(ai->dev->name, "Unregistering...");
5689 stop_airo_card(ai->dev, 1);
5690 }
5691#ifdef CONFIG_PCI
5692 pci_unregister_driver(&airo_driver);
5693#endif
5694 remove_proc_entry("driver/aironet", NULL);
5695}
5696
5697/*
5698 * Initial Wireless Extension code for Aironet driver by :
5699 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5700 * Conversion to new driver API by :
5701 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5702 * Javier also did a good amount of work here, adding some new extensions
5703 * and fixing my code. Let's just say that without him this code just
5704 * would not work at all... - Jean II
5705 */
5706
5707static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5708{
5709 if (!rssi_rid)
5710 return 0;
5711
5712 return (0x100 - rssi_rid[rssi].rssidBm);
5713}
5714
5715static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5716{
5717 int i;
5718
5719 if (!rssi_rid)
5720 return 0;
5721
5722 for (i = 0; i < 256; i++)
5723 if (rssi_rid[i].rssidBm == dbm)
5724 return rssi_rid[i].rssipct;
5725
5726 return 0;
5727}
5728
5729
5730static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5731{
5732 int quality = 0;
5733 u16 sq;
5734
5735 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5736 return 0;
5737
5738 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5739 return 0;
5740
5741 sq = le16_to_cpu(status_rid->signalQuality);
5742 if (memcmp(cap_rid->prodName, "350", 3))
5743 if (sq > 0x20)
5744 quality = 0;
5745 else
5746 quality = 0x20 - sq;
5747 else
5748 if (sq > 0xb0)
5749 quality = 0;
5750 else if (sq < 0x10)
5751 quality = 0xa0;
5752 else
5753 quality = 0xb0 - sq;
5754 return quality;
5755}
5756
5757#define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5758#define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5759
5760/*------------------------------------------------------------------*/
5761/*
5762 * Wireless Handler : get protocol name
5763 */
5764static int airo_get_name(struct net_device *dev,
5765 struct iw_request_info *info,
5766 char *cwrq,
5767 char *extra)
5768{
5769 strcpy(cwrq, "IEEE 802.11-DS");
5770 return 0;
5771}
5772
5773/*------------------------------------------------------------------*/
5774/*
5775 * Wireless Handler : set frequency
5776 */
5777static int airo_set_freq(struct net_device *dev,
5778 struct iw_request_info *info,
5779 struct iw_freq *fwrq,
5780 char *extra)
5781{
5782 struct airo_info *local = dev->ml_priv;
5783 int rc = -EINPROGRESS; /* Call commit handler */
5784
5785 /* If setting by frequency, convert to a channel */
5786 if(fwrq->e == 1) {
5787 int f = fwrq->m / 100000;
5788
5789 /* Hack to fall through... */
5790 fwrq->e = 0;
5791 fwrq->m = ieee80211_frequency_to_channel(f);
5792 }
5793 /* Setting by channel number */
5794 if (fwrq->m < 0 || fwrq->m > 1000 || fwrq->e > 0)
5795 rc = -EOPNOTSUPP;
5796 else {
5797 int channel = fwrq->m;
5798 /* We should do a better check than that,
5799 * based on the card capability !!! */
5800 if((channel < 1) || (channel > 14)) {
5801 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5802 fwrq->m);
5803 rc = -EINVAL;
5804 } else {
5805 readConfigRid(local, 1);
5806 /* Yes ! We can set it !!! */
5807 local->config.channelSet = cpu_to_le16(channel);
5808 set_bit (FLAG_COMMIT, &local->flags);
5809 }
5810 }
5811 return rc;
5812}
5813
5814/*------------------------------------------------------------------*/
5815/*
5816 * Wireless Handler : get frequency
5817 */
5818static int airo_get_freq(struct net_device *dev,
5819 struct iw_request_info *info,
5820 struct iw_freq *fwrq,
5821 char *extra)
5822{
5823 struct airo_info *local = dev->ml_priv;
5824 StatusRid status_rid; /* Card status info */
5825 int ch;
5826
5827 readConfigRid(local, 1);
5828 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5829 status_rid.channel = local->config.channelSet;
5830 else
5831 readStatusRid(local, &status_rid, 1);
5832
5833 ch = le16_to_cpu(status_rid.channel);
5834 if((ch > 0) && (ch < 15)) {
5835 fwrq->m = 100000 *
5836 ieee80211_channel_to_frequency(ch, NL80211_BAND_2GHZ);
5837 fwrq->e = 1;
5838 } else {
5839 fwrq->m = ch;
5840 fwrq->e = 0;
5841 }
5842
5843 return 0;
5844}
5845
5846/*------------------------------------------------------------------*/
5847/*
5848 * Wireless Handler : set ESSID
5849 */
5850static int airo_set_essid(struct net_device *dev,
5851 struct iw_request_info *info,
5852 struct iw_point *dwrq,
5853 char *extra)
5854{
5855 struct airo_info *local = dev->ml_priv;
5856 SsidRid SSID_rid; /* SSIDs */
5857
5858 /* Reload the list of current SSID */
5859 readSsidRid(local, &SSID_rid);
5860
5861 /* Check if we asked for `any' */
5862 if (dwrq->flags == 0) {
5863 /* Just send an empty SSID list */
5864 memset(&SSID_rid, 0, sizeof(SSID_rid));
5865 } else {
5866 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5867
5868 /* Check the size of the string */
5869 if (dwrq->length > IW_ESSID_MAX_SIZE)
5870 return -E2BIG ;
5871
5872 /* Check if index is valid */
5873 if (index >= ARRAY_SIZE(SSID_rid.ssids))
5874 return -EINVAL;
5875
5876 /* Set the SSID */
5877 memset(SSID_rid.ssids[index].ssid, 0,
5878 sizeof(SSID_rid.ssids[index].ssid));
5879 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5880 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5881 }
5882 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5883 /* Write it to the card */
5884 disable_MAC(local, 1);
5885 writeSsidRid(local, &SSID_rid, 1);
5886 enable_MAC(local, 1);
5887
5888 return 0;
5889}
5890
5891/*------------------------------------------------------------------*/
5892/*
5893 * Wireless Handler : get ESSID
5894 */
5895static int airo_get_essid(struct net_device *dev,
5896 struct iw_request_info *info,
5897 struct iw_point *dwrq,
5898 char *extra)
5899{
5900 struct airo_info *local = dev->ml_priv;
5901 StatusRid status_rid; /* Card status info */
5902
5903 readStatusRid(local, &status_rid, 1);
5904
5905 /* Note : if dwrq->flags != 0, we should
5906 * get the relevant SSID from the SSID list... */
5907
5908 /* Get the current SSID */
5909 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5910 /* If none, we may want to get the one that was set */
5911
5912 /* Push it out ! */
5913 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5914 dwrq->flags = 1; /* active */
5915
5916 return 0;
5917}
5918
5919/*------------------------------------------------------------------*/
5920/*
5921 * Wireless Handler : set AP address
5922 */
5923static int airo_set_wap(struct net_device *dev,
5924 struct iw_request_info *info,
5925 struct sockaddr *awrq,
5926 char *extra)
5927{
5928 struct airo_info *local = dev->ml_priv;
5929 Cmd cmd;
5930 Resp rsp;
5931 APListRid *APList_rid = &local->APList;
5932
5933 if (awrq->sa_family != ARPHRD_ETHER)
5934 return -EINVAL;
5935 else if (is_broadcast_ether_addr(awrq->sa_data) ||
5936 is_zero_ether_addr(awrq->sa_data)) {
5937 memset(&cmd, 0, sizeof(cmd));
5938 cmd.cmd=CMD_LOSE_SYNC;
5939 if (down_interruptible(&local->sem))
5940 return -ERESTARTSYS;
5941 issuecommand(local, &cmd, &rsp);
5942 up(&local->sem);
5943 } else {
5944 memset(APList_rid, 0, sizeof(*APList_rid));
5945 APList_rid->len = cpu_to_le16(sizeof(*APList_rid));
5946 memcpy(APList_rid->ap[0], awrq->sa_data, ETH_ALEN);
5947 disable_MAC(local, 1);
5948 writeAPListRid(local, APList_rid, 1);
5949 enable_MAC(local, 1);
5950 }
5951 return 0;
5952}
5953
5954/*------------------------------------------------------------------*/
5955/*
5956 * Wireless Handler : get AP address
5957 */
5958static int airo_get_wap(struct net_device *dev,
5959 struct iw_request_info *info,
5960 struct sockaddr *awrq,
5961 char *extra)
5962{
5963 struct airo_info *local = dev->ml_priv;
5964 StatusRid status_rid; /* Card status info */
5965
5966 readStatusRid(local, &status_rid, 1);
5967
5968 /* Tentative. This seems to work, wow, I'm lucky !!! */
5969 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5970 awrq->sa_family = ARPHRD_ETHER;
5971
5972 return 0;
5973}
5974
5975/*------------------------------------------------------------------*/
5976/*
5977 * Wireless Handler : set Nickname
5978 */
5979static int airo_set_nick(struct net_device *dev,
5980 struct iw_request_info *info,
5981 struct iw_point *dwrq,
5982 char *extra)
5983{
5984 struct airo_info *local = dev->ml_priv;
5985
5986 /* Check the size of the string */
5987 if(dwrq->length > 16) {
5988 return -E2BIG;
5989 }
5990 readConfigRid(local, 1);
5991 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
5992 memcpy(local->config.nodeName, extra, dwrq->length);
5993 set_bit (FLAG_COMMIT, &local->flags);
5994
5995 return -EINPROGRESS; /* Call commit handler */
5996}
5997
5998/*------------------------------------------------------------------*/
5999/*
6000 * Wireless Handler : get Nickname
6001 */
6002static int airo_get_nick(struct net_device *dev,
6003 struct iw_request_info *info,
6004 struct iw_point *dwrq,
6005 char *extra)
6006{
6007 struct airo_info *local = dev->ml_priv;
6008
6009 readConfigRid(local, 1);
6010 strncpy(extra, local->config.nodeName, 16);
6011 extra[16] = '\0';
6012 dwrq->length = strlen(extra);
6013
6014 return 0;
6015}
6016
6017/*------------------------------------------------------------------*/
6018/*
6019 * Wireless Handler : set Bit-Rate
6020 */
6021static int airo_set_rate(struct net_device *dev,
6022 struct iw_request_info *info,
6023 struct iw_param *vwrq,
6024 char *extra)
6025{
6026 struct airo_info *local = dev->ml_priv;
6027 CapabilityRid cap_rid; /* Card capability info */
6028 u8 brate = 0;
6029 int i;
6030
6031 /* First : get a valid bit rate value */
6032 readCapabilityRid(local, &cap_rid, 1);
6033
6034 /* Which type of value ? */
6035 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6036 /* Setting by rate index */
6037 /* Find value in the magic rate table */
6038 brate = cap_rid.supportedRates[vwrq->value];
6039 } else {
6040 /* Setting by frequency value */
6041 u8 normvalue = (u8) (vwrq->value/500000);
6042
6043 /* Check if rate is valid */
6044 for(i = 0 ; i < 8 ; i++) {
6045 if(normvalue == cap_rid.supportedRates[i]) {
6046 brate = normvalue;
6047 break;
6048 }
6049 }
6050 }
6051 /* -1 designed the max rate (mostly auto mode) */
6052 if(vwrq->value == -1) {
6053 /* Get the highest available rate */
6054 for(i = 0 ; i < 8 ; i++) {
6055 if(cap_rid.supportedRates[i] == 0)
6056 break;
6057 }
6058 if(i != 0)
6059 brate = cap_rid.supportedRates[i - 1];
6060 }
6061 /* Check that it is valid */
6062 if(brate == 0) {
6063 return -EINVAL;
6064 }
6065
6066 readConfigRid(local, 1);
6067 /* Now, check if we want a fixed or auto value */
6068 if(vwrq->fixed == 0) {
6069 /* Fill all the rates up to this max rate */
6070 memset(local->config.rates, 0, 8);
6071 for(i = 0 ; i < 8 ; i++) {
6072 local->config.rates[i] = cap_rid.supportedRates[i];
6073 if(local->config.rates[i] == brate)
6074 break;
6075 }
6076 } else {
6077 /* Fixed mode */
6078 /* One rate, fixed */
6079 memset(local->config.rates, 0, 8);
6080 local->config.rates[0] = brate;
6081 }
6082 set_bit (FLAG_COMMIT, &local->flags);
6083
6084 return -EINPROGRESS; /* Call commit handler */
6085}
6086
6087/*------------------------------------------------------------------*/
6088/*
6089 * Wireless Handler : get Bit-Rate
6090 */
6091static int airo_get_rate(struct net_device *dev,
6092 struct iw_request_info *info,
6093 struct iw_param *vwrq,
6094 char *extra)
6095{
6096 struct airo_info *local = dev->ml_priv;
6097 StatusRid status_rid; /* Card status info */
6098
6099 readStatusRid(local, &status_rid, 1);
6100
6101 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6102 /* If more than one rate, set auto */
6103 readConfigRid(local, 1);
6104 vwrq->fixed = (local->config.rates[1] == 0);
6105
6106 return 0;
6107}
6108
6109/*------------------------------------------------------------------*/
6110/*
6111 * Wireless Handler : set RTS threshold
6112 */
6113static int airo_set_rts(struct net_device *dev,
6114 struct iw_request_info *info,
6115 struct iw_param *vwrq,
6116 char *extra)
6117{
6118 struct airo_info *local = dev->ml_priv;
6119 int rthr = vwrq->value;
6120
6121 if(vwrq->disabled)
6122 rthr = AIRO_DEF_MTU;
6123 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6124 return -EINVAL;
6125 }
6126 readConfigRid(local, 1);
6127 local->config.rtsThres = cpu_to_le16(rthr);
6128 set_bit (FLAG_COMMIT, &local->flags);
6129
6130 return -EINPROGRESS; /* Call commit handler */
6131}
6132
6133/*------------------------------------------------------------------*/
6134/*
6135 * Wireless Handler : get RTS threshold
6136 */
6137static int airo_get_rts(struct net_device *dev,
6138 struct iw_request_info *info,
6139 struct iw_param *vwrq,
6140 char *extra)
6141{
6142 struct airo_info *local = dev->ml_priv;
6143
6144 readConfigRid(local, 1);
6145 vwrq->value = le16_to_cpu(local->config.rtsThres);
6146 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6147 vwrq->fixed = 1;
6148
6149 return 0;
6150}
6151
6152/*------------------------------------------------------------------*/
6153/*
6154 * Wireless Handler : set Fragmentation threshold
6155 */
6156static int airo_set_frag(struct net_device *dev,
6157 struct iw_request_info *info,
6158 struct iw_param *vwrq,
6159 char *extra)
6160{
6161 struct airo_info *local = dev->ml_priv;
6162 int fthr = vwrq->value;
6163
6164 if(vwrq->disabled)
6165 fthr = AIRO_DEF_MTU;
6166 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6167 return -EINVAL;
6168 }
6169 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6170 readConfigRid(local, 1);
6171 local->config.fragThresh = cpu_to_le16(fthr);
6172 set_bit (FLAG_COMMIT, &local->flags);
6173
6174 return -EINPROGRESS; /* Call commit handler */
6175}
6176
6177/*------------------------------------------------------------------*/
6178/*
6179 * Wireless Handler : get Fragmentation threshold
6180 */
6181static int airo_get_frag(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->ml_priv;
6187
6188 readConfigRid(local, 1);
6189 vwrq->value = le16_to_cpu(local->config.fragThresh);
6190 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6191 vwrq->fixed = 1;
6192
6193 return 0;
6194}
6195
6196/*------------------------------------------------------------------*/
6197/*
6198 * Wireless Handler : set Mode of Operation
6199 */
6200static int airo_set_mode(struct net_device *dev,
6201 struct iw_request_info *info,
6202 __u32 *uwrq,
6203 char *extra)
6204{
6205 struct airo_info *local = dev->ml_priv;
6206 int reset = 0;
6207
6208 readConfigRid(local, 1);
6209 if (sniffing_mode(local))
6210 reset = 1;
6211
6212 switch(*uwrq) {
6213 case IW_MODE_ADHOC:
6214 local->config.opmode &= ~MODE_CFG_MASK;
6215 local->config.opmode |= MODE_STA_IBSS;
6216 local->config.rmode &= ~RXMODE_FULL_MASK;
6217 local->config.scanMode = SCANMODE_ACTIVE;
6218 clear_bit (FLAG_802_11, &local->flags);
6219 break;
6220 case IW_MODE_INFRA:
6221 local->config.opmode &= ~MODE_CFG_MASK;
6222 local->config.opmode |= MODE_STA_ESS;
6223 local->config.rmode &= ~RXMODE_FULL_MASK;
6224 local->config.scanMode = SCANMODE_ACTIVE;
6225 clear_bit (FLAG_802_11, &local->flags);
6226 break;
6227 case IW_MODE_MASTER:
6228 local->config.opmode &= ~MODE_CFG_MASK;
6229 local->config.opmode |= MODE_AP;
6230 local->config.rmode &= ~RXMODE_FULL_MASK;
6231 local->config.scanMode = SCANMODE_ACTIVE;
6232 clear_bit (FLAG_802_11, &local->flags);
6233 break;
6234 case IW_MODE_REPEAT:
6235 local->config.opmode &= ~MODE_CFG_MASK;
6236 local->config.opmode |= MODE_AP_RPTR;
6237 local->config.rmode &= ~RXMODE_FULL_MASK;
6238 local->config.scanMode = SCANMODE_ACTIVE;
6239 clear_bit (FLAG_802_11, &local->flags);
6240 break;
6241 case IW_MODE_MONITOR:
6242 local->config.opmode &= ~MODE_CFG_MASK;
6243 local->config.opmode |= MODE_STA_ESS;
6244 local->config.rmode &= ~RXMODE_FULL_MASK;
6245 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6246 local->config.scanMode = SCANMODE_PASSIVE;
6247 set_bit (FLAG_802_11, &local->flags);
6248 break;
6249 default:
6250 return -EINVAL;
6251 }
6252 if (reset)
6253 set_bit (FLAG_RESET, &local->flags);
6254 set_bit (FLAG_COMMIT, &local->flags);
6255
6256 return -EINPROGRESS; /* Call commit handler */
6257}
6258
6259/*------------------------------------------------------------------*/
6260/*
6261 * Wireless Handler : get Mode of Operation
6262 */
6263static int airo_get_mode(struct net_device *dev,
6264 struct iw_request_info *info,
6265 __u32 *uwrq,
6266 char *extra)
6267{
6268 struct airo_info *local = dev->ml_priv;
6269
6270 readConfigRid(local, 1);
6271 /* If not managed, assume it's ad-hoc */
6272 switch (local->config.opmode & MODE_CFG_MASK) {
6273 case MODE_STA_ESS:
6274 *uwrq = IW_MODE_INFRA;
6275 break;
6276 case MODE_AP:
6277 *uwrq = IW_MODE_MASTER;
6278 break;
6279 case MODE_AP_RPTR:
6280 *uwrq = IW_MODE_REPEAT;
6281 break;
6282 default:
6283 *uwrq = IW_MODE_ADHOC;
6284 }
6285
6286 return 0;
6287}
6288
6289static inline int valid_index(struct airo_info *ai, int index)
6290{
6291 return (index >= 0) && (index <= ai->max_wep_idx);
6292}
6293
6294/*------------------------------------------------------------------*/
6295/*
6296 * Wireless Handler : set Encryption Key
6297 */
6298static int airo_set_encode(struct net_device *dev,
6299 struct iw_request_info *info,
6300 struct iw_point *dwrq,
6301 char *extra)
6302{
6303 struct airo_info *local = dev->ml_priv;
6304 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
6305 __le16 currentAuthType = local->config.authType;
6306 int rc = 0;
6307
6308 if (!local->wep_capable)
6309 return -EOPNOTSUPP;
6310
6311 readConfigRid(local, 1);
6312
6313 /* Basic checking: do we have a key to set ?
6314 * Note : with the new API, it's impossible to get a NULL pointer.
6315 * Therefore, we need to check a key size == 0 instead.
6316 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6317 * when no key is present (only change flags), but older versions
6318 * don't do it. - Jean II */
6319 if (dwrq->length > 0) {
6320 wep_key_t key;
6321 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6322 int current_index;
6323
6324 /* Check the size of the key */
6325 if (dwrq->length > MAX_KEY_SIZE) {
6326 return -EINVAL;
6327 }
6328
6329 current_index = get_wep_tx_idx(local);
6330 if (current_index < 0)
6331 current_index = 0;
6332
6333 /* Check the index (none -> use current) */
6334 if (!valid_index(local, index))
6335 index = current_index;
6336
6337 /* Set the length */
6338 if (dwrq->length > MIN_KEY_SIZE)
6339 key.len = MAX_KEY_SIZE;
6340 else
6341 key.len = MIN_KEY_SIZE;
6342 /* Check if the key is not marked as invalid */
6343 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6344 /* Cleanup */
6345 memset(key.key, 0, MAX_KEY_SIZE);
6346 /* Copy the key in the driver */
6347 memcpy(key.key, extra, dwrq->length);
6348 /* Send the key to the card */
6349 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6350 if (rc < 0) {
6351 airo_print_err(local->dev->name, "failed to set"
6352 " WEP key at index %d: %d.",
6353 index, rc);
6354 return rc;
6355 }
6356 }
6357 /* WE specify that if a valid key is set, encryption
6358 * should be enabled (user may turn it off later)
6359 * This is also how "iwconfig ethX key on" works */
6360 if((index == current_index) && (key.len > 0) &&
6361 (local->config.authType == AUTH_OPEN))
6362 set_auth_type(local, AUTH_ENCRYPT);
6363 } else {
6364 /* Do we want to just set the transmit key index ? */
6365 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6366 if (valid_index(local, index)) {
6367 rc = set_wep_tx_idx(local, index, perm, 1);
6368 if (rc < 0) {
6369 airo_print_err(local->dev->name, "failed to set"
6370 " WEP transmit index to %d: %d.",
6371 index, rc);
6372 return rc;
6373 }
6374 } else {
6375 /* Don't complain if only change the mode */
6376 if (!(dwrq->flags & IW_ENCODE_MODE))
6377 return -EINVAL;
6378 }
6379 }
6380 /* Read the flags */
6381 if (dwrq->flags & IW_ENCODE_DISABLED)
6382 set_auth_type(local, AUTH_OPEN); /* disable encryption */
6383 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6384 set_auth_type(local, AUTH_SHAREDKEY); /* Only Both */
6385 if (dwrq->flags & IW_ENCODE_OPEN)
6386 set_auth_type(local, AUTH_ENCRYPT); /* Only Wep */
6387 /* Commit the changes to flags if needed */
6388 if (local->config.authType != currentAuthType)
6389 set_bit (FLAG_COMMIT, &local->flags);
6390 return -EINPROGRESS; /* Call commit handler */
6391}
6392
6393/*------------------------------------------------------------------*/
6394/*
6395 * Wireless Handler : get Encryption Key
6396 */
6397static int airo_get_encode(struct net_device *dev,
6398 struct iw_request_info *info,
6399 struct iw_point *dwrq,
6400 char *extra)
6401{
6402 struct airo_info *local = dev->ml_priv;
6403 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6404 int wep_key_len;
6405 u8 buf[16];
6406
6407 if (!local->wep_capable)
6408 return -EOPNOTSUPP;
6409
6410 readConfigRid(local, 1);
6411
6412 /* Check encryption mode */
6413 switch(local->config.authType) {
6414 case AUTH_ENCRYPT:
6415 dwrq->flags = IW_ENCODE_OPEN;
6416 break;
6417 case AUTH_SHAREDKEY:
6418 dwrq->flags = IW_ENCODE_RESTRICTED;
6419 break;
6420 default:
6421 case AUTH_OPEN:
6422 dwrq->flags = IW_ENCODE_DISABLED;
6423 break;
6424 }
6425 /* We can't return the key, so set the proper flag and return zero */
6426 dwrq->flags |= IW_ENCODE_NOKEY;
6427 memset(extra, 0, 16);
6428
6429 /* Which key do we want ? -1 -> tx index */
6430 if (!valid_index(local, index)) {
6431 index = get_wep_tx_idx(local);
6432 if (index < 0)
6433 index = 0;
6434 }
6435 dwrq->flags |= index + 1;
6436
6437 /* Copy the key to the user buffer */
6438 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
6439 if (wep_key_len < 0) {
6440 dwrq->length = 0;
6441 } else {
6442 dwrq->length = wep_key_len;
6443 memcpy(extra, buf, dwrq->length);
6444 }
6445
6446 return 0;
6447}
6448
6449/*------------------------------------------------------------------*/
6450/*
6451 * Wireless Handler : set extended Encryption parameters
6452 */
6453static int airo_set_encodeext(struct net_device *dev,
6454 struct iw_request_info *info,
6455 union iwreq_data *wrqu,
6456 char *extra)
6457{
6458 struct airo_info *local = dev->ml_priv;
6459 struct iw_point *encoding = &wrqu->encoding;
6460 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6461 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6462 __le16 currentAuthType = local->config.authType;
6463 int idx, key_len, alg = ext->alg, set_key = 1, rc;
6464 wep_key_t key;
6465
6466 if (!local->wep_capable)
6467 return -EOPNOTSUPP;
6468
6469 readConfigRid(local, 1);
6470
6471 /* Determine and validate the key index */
6472 idx = encoding->flags & IW_ENCODE_INDEX;
6473 if (idx) {
6474 if (!valid_index(local, idx - 1))
6475 return -EINVAL;
6476 idx--;
6477 } else {
6478 idx = get_wep_tx_idx(local);
6479 if (idx < 0)
6480 idx = 0;
6481 }
6482
6483 if (encoding->flags & IW_ENCODE_DISABLED)
6484 alg = IW_ENCODE_ALG_NONE;
6485
6486 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6487 /* Only set transmit key index here, actual
6488 * key is set below if needed.
6489 */
6490 rc = set_wep_tx_idx(local, idx, perm, 1);
6491 if (rc < 0) {
6492 airo_print_err(local->dev->name, "failed to set "
6493 "WEP transmit index to %d: %d.",
6494 idx, rc);
6495 return rc;
6496 }
6497 set_key = ext->key_len > 0 ? 1 : 0;
6498 }
6499
6500 if (set_key) {
6501 /* Set the requested key first */
6502 memset(key.key, 0, MAX_KEY_SIZE);
6503 switch (alg) {
6504 case IW_ENCODE_ALG_NONE:
6505 key.len = 0;
6506 break;
6507 case IW_ENCODE_ALG_WEP:
6508 if (ext->key_len > MIN_KEY_SIZE) {
6509 key.len = MAX_KEY_SIZE;
6510 } else if (ext->key_len > 0) {
6511 key.len = MIN_KEY_SIZE;
6512 } else {
6513 return -EINVAL;
6514 }
6515 key_len = min (ext->key_len, key.len);
6516 memcpy(key.key, ext->key, key_len);
6517 break;
6518 default:
6519 return -EINVAL;
6520 }
6521 if (key.len == 0) {
6522 rc = set_wep_tx_idx(local, idx, perm, 1);
6523 if (rc < 0) {
6524 airo_print_err(local->dev->name,
6525 "failed to set WEP transmit index to %d: %d.",
6526 idx, rc);
6527 return rc;
6528 }
6529 } else {
6530 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6531 if (rc < 0) {
6532 airo_print_err(local->dev->name,
6533 "failed to set WEP key at index %d: %d.",
6534 idx, rc);
6535 return rc;
6536 }
6537 }
6538 }
6539
6540 /* Read the flags */
6541 if (encoding->flags & IW_ENCODE_DISABLED)
6542 set_auth_type(local, AUTH_OPEN); /* disable encryption */
6543 if(encoding->flags & IW_ENCODE_RESTRICTED)
6544 set_auth_type(local, AUTH_SHAREDKEY); /* Only Both */
6545 if (encoding->flags & IW_ENCODE_OPEN)
6546 set_auth_type(local, AUTH_ENCRYPT);
6547 /* Commit the changes to flags if needed */
6548 if (local->config.authType != currentAuthType)
6549 set_bit (FLAG_COMMIT, &local->flags);
6550
6551 return -EINPROGRESS;
6552}
6553
6554
6555/*------------------------------------------------------------------*/
6556/*
6557 * Wireless Handler : get extended Encryption parameters
6558 */
6559static int airo_get_encodeext(struct net_device *dev,
6560 struct iw_request_info *info,
6561 union iwreq_data *wrqu,
6562 char *extra)
6563{
6564 struct airo_info *local = dev->ml_priv;
6565 struct iw_point *encoding = &wrqu->encoding;
6566 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6567 int idx, max_key_len, wep_key_len;
6568 u8 buf[16];
6569
6570 if (!local->wep_capable)
6571 return -EOPNOTSUPP;
6572
6573 readConfigRid(local, 1);
6574
6575 max_key_len = encoding->length - sizeof(*ext);
6576 if (max_key_len < 0)
6577 return -EINVAL;
6578
6579 idx = encoding->flags & IW_ENCODE_INDEX;
6580 if (idx) {
6581 if (!valid_index(local, idx - 1))
6582 return -EINVAL;
6583 idx--;
6584 } else {
6585 idx = get_wep_tx_idx(local);
6586 if (idx < 0)
6587 idx = 0;
6588 }
6589
6590 encoding->flags = idx + 1;
6591 memset(ext, 0, sizeof(*ext));
6592
6593 /* Check encryption mode */
6594 switch(local->config.authType) {
6595 case AUTH_ENCRYPT:
6596 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6597 break;
6598 case AUTH_SHAREDKEY:
6599 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6600 break;
6601 default:
6602 case AUTH_OPEN:
6603 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6604 break;
6605 }
6606 /* We can't return the key, so set the proper flag and return zero */
6607 encoding->flags |= IW_ENCODE_NOKEY;
6608 memset(extra, 0, 16);
6609
6610 /* Copy the key to the user buffer */
6611 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6612 if (wep_key_len < 0) {
6613 ext->key_len = 0;
6614 } else {
6615 ext->key_len = wep_key_len;
6616 memcpy(extra, buf, ext->key_len);
6617 }
6618
6619 return 0;
6620}
6621
6622
6623/*------------------------------------------------------------------*/
6624/*
6625 * Wireless Handler : set extended authentication parameters
6626 */
6627static int airo_set_auth(struct net_device *dev,
6628 struct iw_request_info *info,
6629 union iwreq_data *wrqu, char *extra)
6630{
6631 struct airo_info *local = dev->ml_priv;
6632 struct iw_param *param = &wrqu->param;
6633 __le16 currentAuthType = local->config.authType;
6634
6635 switch (param->flags & IW_AUTH_INDEX) {
6636 case IW_AUTH_WPA_VERSION:
6637 case IW_AUTH_CIPHER_PAIRWISE:
6638 case IW_AUTH_CIPHER_GROUP:
6639 case IW_AUTH_KEY_MGMT:
6640 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6641 case IW_AUTH_PRIVACY_INVOKED:
6642 /*
6643 * airo does not use these parameters
6644 */
6645 break;
6646
6647 case IW_AUTH_DROP_UNENCRYPTED:
6648 if (param->value) {
6649 /* Only change auth type if unencrypted */
6650 if (currentAuthType == AUTH_OPEN)
6651 set_auth_type(local, AUTH_ENCRYPT);
6652 } else {
6653 set_auth_type(local, AUTH_OPEN);
6654 }
6655
6656 /* Commit the changes to flags if needed */
6657 if (local->config.authType != currentAuthType)
6658 set_bit (FLAG_COMMIT, &local->flags);
6659 break;
6660
6661 case IW_AUTH_80211_AUTH_ALG: {
6662 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6663 set_auth_type(local, AUTH_SHAREDKEY);
6664 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6665 /* We don't know here if WEP open system or
6666 * unencrypted mode was requested - so use the
6667 * last mode (of these two) used last time
6668 */
6669 set_auth_type(local, local->last_auth);
6670 } else
6671 return -EINVAL;
6672
6673 /* Commit the changes to flags if needed */
6674 if (local->config.authType != currentAuthType)
6675 set_bit (FLAG_COMMIT, &local->flags);
6676 break;
6677 }
6678
6679 case IW_AUTH_WPA_ENABLED:
6680 /* Silently accept disable of WPA */
6681 if (param->value > 0)
6682 return -EOPNOTSUPP;
6683 break;
6684
6685 default:
6686 return -EOPNOTSUPP;
6687 }
6688 return -EINPROGRESS;
6689}
6690
6691
6692/*------------------------------------------------------------------*/
6693/*
6694 * Wireless Handler : get extended authentication parameters
6695 */
6696static int airo_get_auth(struct net_device *dev,
6697 struct iw_request_info *info,
6698 union iwreq_data *wrqu, char *extra)
6699{
6700 struct airo_info *local = dev->ml_priv;
6701 struct iw_param *param = &wrqu->param;
6702 __le16 currentAuthType = local->config.authType;
6703
6704 switch (param->flags & IW_AUTH_INDEX) {
6705 case IW_AUTH_DROP_UNENCRYPTED:
6706 switch (currentAuthType) {
6707 case AUTH_SHAREDKEY:
6708 case AUTH_ENCRYPT:
6709 param->value = 1;
6710 break;
6711 default:
6712 param->value = 0;
6713 break;
6714 }
6715 break;
6716
6717 case IW_AUTH_80211_AUTH_ALG:
6718 switch (currentAuthType) {
6719 case AUTH_SHAREDKEY:
6720 param->value = IW_AUTH_ALG_SHARED_KEY;
6721 break;
6722 case AUTH_ENCRYPT:
6723 default:
6724 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6725 break;
6726 }
6727 break;
6728
6729 case IW_AUTH_WPA_ENABLED:
6730 param->value = 0;
6731 break;
6732
6733 default:
6734 return -EOPNOTSUPP;
6735 }
6736 return 0;
6737}
6738
6739
6740/*------------------------------------------------------------------*/
6741/*
6742 * Wireless Handler : set Tx-Power
6743 */
6744static int airo_set_txpow(struct net_device *dev,
6745 struct iw_request_info *info,
6746 struct iw_param *vwrq,
6747 char *extra)
6748{
6749 struct airo_info *local = dev->ml_priv;
6750 CapabilityRid cap_rid; /* Card capability info */
6751 int i;
6752 int rc = -EINVAL;
6753 __le16 v = cpu_to_le16(vwrq->value);
6754
6755 readCapabilityRid(local, &cap_rid, 1);
6756
6757 if (vwrq->disabled) {
6758 set_bit (FLAG_RADIO_OFF, &local->flags);
6759 set_bit (FLAG_COMMIT, &local->flags);
6760 return -EINPROGRESS; /* Call commit handler */
6761 }
6762 if (vwrq->flags != IW_TXPOW_MWATT) {
6763 return -EINVAL;
6764 }
6765 clear_bit (FLAG_RADIO_OFF, &local->flags);
6766 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++)
6767 if (v == cap_rid.txPowerLevels[i]) {
6768 readConfigRid(local, 1);
6769 local->config.txPower = v;
6770 set_bit (FLAG_COMMIT, &local->flags);
6771 rc = -EINPROGRESS; /* Call commit handler */
6772 break;
6773 }
6774 return rc;
6775}
6776
6777/*------------------------------------------------------------------*/
6778/*
6779 * Wireless Handler : get Tx-Power
6780 */
6781static int airo_get_txpow(struct net_device *dev,
6782 struct iw_request_info *info,
6783 struct iw_param *vwrq,
6784 char *extra)
6785{
6786 struct airo_info *local = dev->ml_priv;
6787
6788 readConfigRid(local, 1);
6789 vwrq->value = le16_to_cpu(local->config.txPower);
6790 vwrq->fixed = 1; /* No power control */
6791 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6792 vwrq->flags = IW_TXPOW_MWATT;
6793
6794 return 0;
6795}
6796
6797/*------------------------------------------------------------------*/
6798/*
6799 * Wireless Handler : set Retry limits
6800 */
6801static int airo_set_retry(struct net_device *dev,
6802 struct iw_request_info *info,
6803 struct iw_param *vwrq,
6804 char *extra)
6805{
6806 struct airo_info *local = dev->ml_priv;
6807 int rc = -EINVAL;
6808
6809 if(vwrq->disabled) {
6810 return -EINVAL;
6811 }
6812 readConfigRid(local, 1);
6813 if(vwrq->flags & IW_RETRY_LIMIT) {
6814 __le16 v = cpu_to_le16(vwrq->value);
6815 if(vwrq->flags & IW_RETRY_LONG)
6816 local->config.longRetryLimit = v;
6817 else if (vwrq->flags & IW_RETRY_SHORT)
6818 local->config.shortRetryLimit = v;
6819 else {
6820 /* No modifier : set both */
6821 local->config.longRetryLimit = v;
6822 local->config.shortRetryLimit = v;
6823 }
6824 set_bit (FLAG_COMMIT, &local->flags);
6825 rc = -EINPROGRESS; /* Call commit handler */
6826 }
6827 if(vwrq->flags & IW_RETRY_LIFETIME) {
6828 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6829 set_bit (FLAG_COMMIT, &local->flags);
6830 rc = -EINPROGRESS; /* Call commit handler */
6831 }
6832 return rc;
6833}
6834
6835/*------------------------------------------------------------------*/
6836/*
6837 * Wireless Handler : get Retry limits
6838 */
6839static int airo_get_retry(struct net_device *dev,
6840 struct iw_request_info *info,
6841 struct iw_param *vwrq,
6842 char *extra)
6843{
6844 struct airo_info *local = dev->ml_priv;
6845
6846 vwrq->disabled = 0; /* Can't be disabled */
6847
6848 readConfigRid(local, 1);
6849 /* Note : by default, display the min retry number */
6850 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6851 vwrq->flags = IW_RETRY_LIFETIME;
6852 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6853 } else if((vwrq->flags & IW_RETRY_LONG)) {
6854 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6855 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6856 } else {
6857 vwrq->flags = IW_RETRY_LIMIT;
6858 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6859 if(local->config.shortRetryLimit != local->config.longRetryLimit)
6860 vwrq->flags |= IW_RETRY_SHORT;
6861 }
6862
6863 return 0;
6864}
6865
6866/*------------------------------------------------------------------*/
6867/*
6868 * Wireless Handler : get range info
6869 */
6870static int airo_get_range(struct net_device *dev,
6871 struct iw_request_info *info,
6872 struct iw_point *dwrq,
6873 char *extra)
6874{
6875 struct airo_info *local = dev->ml_priv;
6876 struct iw_range *range = (struct iw_range *) extra;
6877 CapabilityRid cap_rid; /* Card capability info */
6878 int i;
6879 int k;
6880
6881 readCapabilityRid(local, &cap_rid, 1);
6882
6883 dwrq->length = sizeof(struct iw_range);
6884 memset(range, 0, sizeof(*range));
6885 range->min_nwid = 0x0000;
6886 range->max_nwid = 0x0000;
6887 range->num_channels = 14;
6888 /* Should be based on cap_rid.country to give only
6889 * what the current card support */
6890 k = 0;
6891 for(i = 0; i < 14; i++) {
6892 range->freq[k].i = i + 1; /* List index */
6893 range->freq[k].m = 100000 *
6894 ieee80211_channel_to_frequency(i + 1, NL80211_BAND_2GHZ);
6895 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
6896 }
6897 range->num_frequency = k;
6898
6899 range->sensitivity = 65535;
6900
6901 /* Hum... Should put the right values there */
6902 if (local->rssi)
6903 range->max_qual.qual = 100; /* % */
6904 else
6905 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6906 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6907 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6908
6909 /* Experimental measurements - boundary 11/5.5 Mb/s */
6910 /* Note : with or without the (local->rssi), results
6911 * are somewhat different. - Jean II */
6912 if (local->rssi) {
6913 range->avg_qual.qual = 50; /* % */
6914 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6915 } else {
6916 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6917 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6918 }
6919 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6920
6921 for(i = 0 ; i < 8 ; i++) {
6922 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6923 if(range->bitrate[i] == 0)
6924 break;
6925 }
6926 range->num_bitrates = i;
6927
6928 /* Set an indication of the max TCP throughput
6929 * in bit/s that we can expect using this interface.
6930 * May be use for QoS stuff... Jean II */
6931 if(i > 2)
6932 range->throughput = 5000 * 1000;
6933 else
6934 range->throughput = 1500 * 1000;
6935
6936 range->min_rts = 0;
6937 range->max_rts = AIRO_DEF_MTU;
6938 range->min_frag = 256;
6939 range->max_frag = AIRO_DEF_MTU;
6940
6941 if(cap_rid.softCap & cpu_to_le16(2)) {
6942 // WEP: RC4 40 bits
6943 range->encoding_size[0] = 5;
6944 // RC4 ~128 bits
6945 if (cap_rid.softCap & cpu_to_le16(0x100)) {
6946 range->encoding_size[1] = 13;
6947 range->num_encoding_sizes = 2;
6948 } else
6949 range->num_encoding_sizes = 1;
6950 range->max_encoding_tokens =
6951 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
6952 } else {
6953 range->num_encoding_sizes = 0;
6954 range->max_encoding_tokens = 0;
6955 }
6956 range->min_pmp = 0;
6957 range->max_pmp = 5000000; /* 5 secs */
6958 range->min_pmt = 0;
6959 range->max_pmt = 65535 * 1024; /* ??? */
6960 range->pmp_flags = IW_POWER_PERIOD;
6961 range->pmt_flags = IW_POWER_TIMEOUT;
6962 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6963
6964 /* Transmit Power - values are in mW */
6965 for(i = 0 ; i < 8 ; i++) {
6966 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
6967 if(range->txpower[i] == 0)
6968 break;
6969 }
6970 range->num_txpower = i;
6971 range->txpower_capa = IW_TXPOW_MWATT;
6972 range->we_version_source = 19;
6973 range->we_version_compiled = WIRELESS_EXT;
6974 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6975 range->retry_flags = IW_RETRY_LIMIT;
6976 range->r_time_flags = IW_RETRY_LIFETIME;
6977 range->min_retry = 1;
6978 range->max_retry = 65535;
6979 range->min_r_time = 1024;
6980 range->max_r_time = 65535 * 1024;
6981
6982 /* Event capability (kernel + driver) */
6983 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6984 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6985 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6986 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6987 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6988 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6989 return 0;
6990}
6991
6992/*------------------------------------------------------------------*/
6993/*
6994 * Wireless Handler : set Power Management
6995 */
6996static int airo_set_power(struct net_device *dev,
6997 struct iw_request_info *info,
6998 struct iw_param *vwrq,
6999 char *extra)
7000{
7001 struct airo_info *local = dev->ml_priv;
7002
7003 readConfigRid(local, 1);
7004 if (vwrq->disabled) {
7005 if (sniffing_mode(local))
7006 return -EINVAL;
7007 local->config.powerSaveMode = POWERSAVE_CAM;
7008 local->config.rmode &= ~RXMODE_MASK;
7009 local->config.rmode |= RXMODE_BC_MC_ADDR;
7010 set_bit (FLAG_COMMIT, &local->flags);
7011 return -EINPROGRESS; /* Call commit handler */
7012 }
7013 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7014 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
7015 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7016 set_bit (FLAG_COMMIT, &local->flags);
7017 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7018 local->config.fastListenInterval =
7019 local->config.listenInterval =
7020 cpu_to_le16((vwrq->value + 500) / 1024);
7021 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7022 set_bit (FLAG_COMMIT, &local->flags);
7023 }
7024 switch (vwrq->flags & IW_POWER_MODE) {
7025 case IW_POWER_UNICAST_R:
7026 if (sniffing_mode(local))
7027 return -EINVAL;
7028 local->config.rmode &= ~RXMODE_MASK;
7029 local->config.rmode |= RXMODE_ADDR;
7030 set_bit (FLAG_COMMIT, &local->flags);
7031 break;
7032 case IW_POWER_ALL_R:
7033 if (sniffing_mode(local))
7034 return -EINVAL;
7035 local->config.rmode &= ~RXMODE_MASK;
7036 local->config.rmode |= RXMODE_BC_MC_ADDR;
7037 set_bit (FLAG_COMMIT, &local->flags);
7038 case IW_POWER_ON:
7039 /* This is broken, fixme ;-) */
7040 break;
7041 default:
7042 return -EINVAL;
7043 }
7044 // Note : we may want to factor local->need_commit here
7045 // Note2 : may also want to factor RXMODE_RFMON test
7046 return -EINPROGRESS; /* Call commit handler */
7047}
7048
7049/*------------------------------------------------------------------*/
7050/*
7051 * Wireless Handler : get Power Management
7052 */
7053static int airo_get_power(struct net_device *dev,
7054 struct iw_request_info *info,
7055 struct iw_param *vwrq,
7056 char *extra)
7057{
7058 struct airo_info *local = dev->ml_priv;
7059 __le16 mode;
7060
7061 readConfigRid(local, 1);
7062 mode = local->config.powerSaveMode;
7063 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7064 return 0;
7065 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7066 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
7067 vwrq->flags = IW_POWER_TIMEOUT;
7068 } else {
7069 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
7070 vwrq->flags = IW_POWER_PERIOD;
7071 }
7072 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
7073 vwrq->flags |= IW_POWER_UNICAST_R;
7074 else
7075 vwrq->flags |= IW_POWER_ALL_R;
7076
7077 return 0;
7078}
7079
7080/*------------------------------------------------------------------*/
7081/*
7082 * Wireless Handler : set Sensitivity
7083 */
7084static int airo_set_sens(struct net_device *dev,
7085 struct iw_request_info *info,
7086 struct iw_param *vwrq,
7087 char *extra)
7088{
7089 struct airo_info *local = dev->ml_priv;
7090
7091 readConfigRid(local, 1);
7092 local->config.rssiThreshold =
7093 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
7094 set_bit (FLAG_COMMIT, &local->flags);
7095
7096 return -EINPROGRESS; /* Call commit handler */
7097}
7098
7099/*------------------------------------------------------------------*/
7100/*
7101 * Wireless Handler : get Sensitivity
7102 */
7103static int airo_get_sens(struct net_device *dev,
7104 struct iw_request_info *info,
7105 struct iw_param *vwrq,
7106 char *extra)
7107{
7108 struct airo_info *local = dev->ml_priv;
7109
7110 readConfigRid(local, 1);
7111 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7112 vwrq->disabled = (vwrq->value == 0);
7113 vwrq->fixed = 1;
7114
7115 return 0;
7116}
7117
7118/*------------------------------------------------------------------*/
7119/*
7120 * Wireless Handler : get AP List
7121 * Note : this is deprecated in favor of IWSCAN
7122 */
7123static int airo_get_aplist(struct net_device *dev,
7124 struct iw_request_info *info,
7125 struct iw_point *dwrq,
7126 char *extra)
7127{
7128 struct airo_info *local = dev->ml_priv;
7129 struct sockaddr *address = (struct sockaddr *) extra;
7130 struct iw_quality *qual;
7131 BSSListRid BSSList;
7132 int i;
7133 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7134
7135 qual = kmalloc_array(IW_MAX_AP, sizeof(*qual), GFP_KERNEL);
7136 if (!qual)
7137 return -ENOMEM;
7138
7139 for (i = 0; i < IW_MAX_AP; i++) {
7140 u16 dBm;
7141 if (readBSSListRid(local, loseSync, &BSSList))
7142 break;
7143 loseSync = 0;
7144 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7145 address[i].sa_family = ARPHRD_ETHER;
7146 dBm = le16_to_cpu(BSSList.dBm);
7147 if (local->rssi) {
7148 qual[i].level = 0x100 - dBm;
7149 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7150 qual[i].updated = IW_QUAL_QUAL_UPDATED
7151 | IW_QUAL_LEVEL_UPDATED
7152 | IW_QUAL_DBM;
7153 } else {
7154 qual[i].level = (dBm + 321) / 2;
7155 qual[i].qual = 0;
7156 qual[i].updated = IW_QUAL_QUAL_INVALID
7157 | IW_QUAL_LEVEL_UPDATED
7158 | IW_QUAL_DBM;
7159 }
7160 qual[i].noise = local->wstats.qual.noise;
7161 if (BSSList.index == cpu_to_le16(0xffff))
7162 break;
7163 }
7164 if (!i) {
7165 StatusRid status_rid; /* Card status info */
7166 readStatusRid(local, &status_rid, 1);
7167 for (i = 0;
7168 i < min(IW_MAX_AP, 4) &&
7169 (status_rid.bssid[i][0]
7170 & status_rid.bssid[i][1]
7171 & status_rid.bssid[i][2]
7172 & status_rid.bssid[i][3]
7173 & status_rid.bssid[i][4]
7174 & status_rid.bssid[i][5])!=0xff &&
7175 (status_rid.bssid[i][0]
7176 | status_rid.bssid[i][1]
7177 | status_rid.bssid[i][2]
7178 | status_rid.bssid[i][3]
7179 | status_rid.bssid[i][4]
7180 | status_rid.bssid[i][5]);
7181 i++) {
7182 memcpy(address[i].sa_data,
7183 status_rid.bssid[i], ETH_ALEN);
7184 address[i].sa_family = ARPHRD_ETHER;
7185 }
7186 } else {
7187 dwrq->flags = 1; /* Should be define'd */
7188 memcpy(extra + sizeof(struct sockaddr) * i, qual,
7189 sizeof(struct iw_quality) * i);
7190 }
7191 dwrq->length = i;
7192
7193 kfree(qual);
7194 return 0;
7195}
7196
7197/*------------------------------------------------------------------*/
7198/*
7199 * Wireless Handler : Initiate Scan
7200 */
7201static int airo_set_scan(struct net_device *dev,
7202 struct iw_request_info *info,
7203 struct iw_point *dwrq,
7204 char *extra)
7205{
7206 struct airo_info *ai = dev->ml_priv;
7207 Cmd cmd;
7208 Resp rsp;
7209 int wake = 0;
7210 APListRid APList_rid_empty;
7211
7212 /* Note : you may have realised that, as this is a SET operation,
7213 * this is privileged and therefore a normal user can't
7214 * perform scanning.
7215 * This is not an error, while the device perform scanning,
7216 * traffic doesn't flow, so it's a perfect DoS...
7217 * Jean II */
7218 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7219
7220 if (down_interruptible(&ai->sem))
7221 return -ERESTARTSYS;
7222
7223 /* If there's already a scan in progress, don't
7224 * trigger another one. */
7225 if (ai->scan_timeout > 0)
7226 goto out;
7227
7228 /* Clear APList as it affects scan results */
7229 memset(&APList_rid_empty, 0, sizeof(APList_rid_empty));
7230 APList_rid_empty.len = cpu_to_le16(sizeof(APList_rid_empty));
7231 disable_MAC(ai, 2);
7232 writeAPListRid(ai, &APList_rid_empty, 0);
7233 enable_MAC(ai, 0);
7234
7235 /* Initiate a scan command */
7236 ai->scan_timeout = RUN_AT(3*HZ);
7237 memset(&cmd, 0, sizeof(cmd));
7238 cmd.cmd=CMD_LISTBSS;
7239 issuecommand(ai, &cmd, &rsp);
7240 wake = 1;
7241
7242out:
7243 up(&ai->sem);
7244 if (wake)
7245 wake_up_interruptible(&ai->thr_wait);
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 struct iw_request_info *info,
7256 char *current_ev,
7257 char *end_buf,
7258 BSSListRid *bss)
7259{
7260 struct airo_info *ai = dev->ml_priv;
7261 struct iw_event iwe; /* Temporary buffer */
7262 __le16 capabilities;
7263 char * current_val; /* For rates */
7264 int i;
7265 char * buf;
7266 u16 dBm;
7267
7268 /* First entry *MUST* be the AP MAC address */
7269 iwe.cmd = SIOCGIWAP;
7270 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7271 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7272 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7273 &iwe, IW_EV_ADDR_LEN);
7274
7275 /* Other entries will be displayed in the order we give them */
7276
7277 /* Add the ESSID */
7278 iwe.u.data.length = bss->ssidLen;
7279 if(iwe.u.data.length > 32)
7280 iwe.u.data.length = 32;
7281 iwe.cmd = SIOCGIWESSID;
7282 iwe.u.data.flags = 1;
7283 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7284 &iwe, bss->ssid);
7285
7286 /* Add mode */
7287 iwe.cmd = SIOCGIWMODE;
7288 capabilities = bss->cap;
7289 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7290 if(capabilities & CAP_ESS)
7291 iwe.u.mode = IW_MODE_MASTER;
7292 else
7293 iwe.u.mode = IW_MODE_ADHOC;
7294 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7295 &iwe, IW_EV_UINT_LEN);
7296 }
7297
7298 /* Add frequency */
7299 iwe.cmd = SIOCGIWFREQ;
7300 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7301 iwe.u.freq.m = 100000 *
7302 ieee80211_channel_to_frequency(iwe.u.freq.m, NL80211_BAND_2GHZ);
7303 iwe.u.freq.e = 1;
7304 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7305 &iwe, IW_EV_FREQ_LEN);
7306
7307 dBm = le16_to_cpu(bss->dBm);
7308
7309 /* Add quality statistics */
7310 iwe.cmd = IWEVQUAL;
7311 if (ai->rssi) {
7312 iwe.u.qual.level = 0x100 - dBm;
7313 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7314 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7315 | IW_QUAL_LEVEL_UPDATED
7316 | IW_QUAL_DBM;
7317 } else {
7318 iwe.u.qual.level = (dBm + 321) / 2;
7319 iwe.u.qual.qual = 0;
7320 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7321 | IW_QUAL_LEVEL_UPDATED
7322 | IW_QUAL_DBM;
7323 }
7324 iwe.u.qual.noise = ai->wstats.qual.noise;
7325 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7326 &iwe, IW_EV_QUAL_LEN);
7327
7328 /* Add encryption capability */
7329 iwe.cmd = SIOCGIWENCODE;
7330 if(capabilities & CAP_PRIVACY)
7331 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7332 else
7333 iwe.u.data.flags = IW_ENCODE_DISABLED;
7334 iwe.u.data.length = 0;
7335 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7336 &iwe, bss->ssid);
7337
7338 /* Rate : stuffing multiple values in a single event require a bit
7339 * more of magic - Jean II */
7340 current_val = current_ev + iwe_stream_lcp_len(info);
7341
7342 iwe.cmd = SIOCGIWRATE;
7343 /* Those two flags are ignored... */
7344 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7345 /* Max 8 values */
7346 for(i = 0 ; i < 8 ; i++) {
7347 /* NULL terminated */
7348 if(bss->rates[i] == 0)
7349 break;
7350 /* Bit rate given in 500 kb/s units (+ 0x80) */
7351 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7352 /* Add new value to event */
7353 current_val = iwe_stream_add_value(info, current_ev,
7354 current_val, end_buf,
7355 &iwe, IW_EV_PARAM_LEN);
7356 }
7357 /* Check if we added any event */
7358 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7359 current_ev = current_val;
7360
7361 /* Beacon interval */
7362 buf = kmalloc(30, GFP_KERNEL);
7363 if (buf) {
7364 iwe.cmd = IWEVCUSTOM;
7365 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7366 iwe.u.data.length = strlen(buf);
7367 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7368 &iwe, buf);
7369 kfree(buf);
7370 }
7371
7372 /* Put WPA/RSN Information Elements into the event stream */
7373 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7374 unsigned int num_null_ies = 0;
7375 u16 length = sizeof (bss->extra.iep);
7376 u8 *ie = (void *)&bss->extra.iep;
7377
7378 while ((length >= 2) && (num_null_ies < 2)) {
7379 if (2 + ie[1] > length) {
7380 /* Invalid element, don't continue parsing IE */
7381 break;
7382 }
7383
7384 switch (ie[0]) {
7385 case WLAN_EID_SSID:
7386 /* Two zero-length SSID elements
7387 * mean we're done parsing elements */
7388 if (!ie[1])
7389 num_null_ies++;
7390 break;
7391
7392 case WLAN_EID_VENDOR_SPECIFIC:
7393 if (ie[1] >= 4 &&
7394 ie[2] == 0x00 &&
7395 ie[3] == 0x50 &&
7396 ie[4] == 0xf2 &&
7397 ie[5] == 0x01) {
7398 iwe.cmd = IWEVGENIE;
7399 /* 64 is an arbitrary cut-off */
7400 iwe.u.data.length = min(ie[1] + 2,
7401 64);
7402 current_ev = iwe_stream_add_point(
7403 info, current_ev,
7404 end_buf, &iwe, ie);
7405 }
7406 break;
7407
7408 case WLAN_EID_RSN:
7409 iwe.cmd = IWEVGENIE;
7410 /* 64 is an arbitrary cut-off */
7411 iwe.u.data.length = min(ie[1] + 2, 64);
7412 current_ev = iwe_stream_add_point(
7413 info, current_ev, end_buf,
7414 &iwe, ie);
7415 break;
7416
7417 default:
7418 break;
7419 }
7420
7421 length -= 2 + ie[1];
7422 ie += 2 + ie[1];
7423 }
7424 }
7425 return current_ev;
7426}
7427
7428/*------------------------------------------------------------------*/
7429/*
7430 * Wireless Handler : Read Scan Results
7431 */
7432static int airo_get_scan(struct net_device *dev,
7433 struct iw_request_info *info,
7434 struct iw_point *dwrq,
7435 char *extra)
7436{
7437 struct airo_info *ai = dev->ml_priv;
7438 BSSListElement *net;
7439 int err = 0;
7440 char *current_ev = extra;
7441
7442 /* If a scan is in-progress, return -EAGAIN */
7443 if (ai->scan_timeout > 0)
7444 return -EAGAIN;
7445
7446 if (down_interruptible(&ai->sem))
7447 return -EAGAIN;
7448
7449 list_for_each_entry (net, &ai->network_list, list) {
7450 /* Translate to WE format this entry */
7451 current_ev = airo_translate_scan(dev, info, current_ev,
7452 extra + dwrq->length,
7453 &net->bss);
7454
7455 /* Check if there is space for one more entry */
7456 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7457 /* Ask user space to try again with a bigger buffer */
7458 err = -E2BIG;
7459 goto out;
7460 }
7461 }
7462
7463 /* Length of data */
7464 dwrq->length = (current_ev - extra);
7465 dwrq->flags = 0; /* todo */
7466
7467out:
7468 up(&ai->sem);
7469 return err;
7470}
7471
7472/*------------------------------------------------------------------*/
7473/*
7474 * Commit handler : called after a bunch of SET operations
7475 */
7476static int airo_config_commit(struct net_device *dev,
7477 struct iw_request_info *info, /* NULL */
7478 void *zwrq, /* NULL */
7479 char *extra) /* NULL */
7480{
7481 struct airo_info *local = dev->ml_priv;
7482
7483 if (!test_bit (FLAG_COMMIT, &local->flags))
7484 return 0;
7485
7486 /* Some of the "SET" function may have modified some of the
7487 * parameters. It's now time to commit them in the card */
7488 disable_MAC(local, 1);
7489 if (test_bit (FLAG_RESET, &local->flags)) {
7490 SsidRid SSID_rid;
7491
7492 readSsidRid(local, &SSID_rid);
7493 if (test_bit(FLAG_MPI,&local->flags))
7494 setup_card(local, dev->dev_addr, 1 );
7495 else
7496 reset_airo_card(dev);
7497 disable_MAC(local, 1);
7498 writeSsidRid(local, &SSID_rid, 1);
7499 writeAPListRid(local, &local->APList, 1);
7500 }
7501 if (down_interruptible(&local->sem))
7502 return -ERESTARTSYS;
7503 writeConfigRid(local, 0);
7504 enable_MAC(local, 0);
7505 if (test_bit (FLAG_RESET, &local->flags))
7506 airo_set_promisc(local);
7507 else
7508 up(&local->sem);
7509
7510 return 0;
7511}
7512
7513/*------------------------------------------------------------------*/
7514/*
7515 * Structures to export the Wireless Handlers
7516 */
7517
7518static const struct iw_priv_args airo_private_args[] = {
7519/*{ cmd, set_args, get_args, name } */
7520 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7521 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7522 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7523 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7524};
7525
7526static const iw_handler airo_handler[] =
7527{
7528 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7529 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7530 (iw_handler) NULL, /* SIOCSIWNWID */
7531 (iw_handler) NULL, /* SIOCGIWNWID */
7532 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7533 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7534 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7535 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7536 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7537 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7538 (iw_handler) NULL, /* SIOCSIWRANGE */
7539 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7540 (iw_handler) NULL, /* SIOCSIWPRIV */
7541 (iw_handler) NULL, /* SIOCGIWPRIV */
7542 (iw_handler) NULL, /* SIOCSIWSTATS */
7543 (iw_handler) NULL, /* SIOCGIWSTATS */
7544 iw_handler_set_spy, /* SIOCSIWSPY */
7545 iw_handler_get_spy, /* SIOCGIWSPY */
7546 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7547 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7548 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7549 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7550 (iw_handler) NULL, /* -- hole -- */
7551 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7552 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7553 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7554 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7555 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7556 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7557 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7558 (iw_handler) NULL, /* -- hole -- */
7559 (iw_handler) NULL, /* -- hole -- */
7560 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7561 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7562 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7563 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7564 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7565 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7566 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7567 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7568 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7569 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7570 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7571 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7572 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7573 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7574 (iw_handler) NULL, /* -- hole -- */
7575 (iw_handler) NULL, /* -- hole -- */
7576 (iw_handler) NULL, /* SIOCSIWGENIE */
7577 (iw_handler) NULL, /* SIOCGIWGENIE */
7578 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7579 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7580 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7581 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7582 (iw_handler) NULL, /* SIOCSIWPMKSA */
7583};
7584
7585/* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7586 * We want to force the use of the ioctl code, because those can't be
7587 * won't work the iw_handler code (because they simultaneously read
7588 * and write data and iw_handler can't do that).
7589 * Note that it's perfectly legal to read/write on a single ioctl command,
7590 * you just can't use iwpriv and need to force it via the ioctl handler.
7591 * Jean II */
7592static const iw_handler airo_private_handler[] =
7593{
7594 NULL, /* SIOCIWFIRSTPRIV */
7595};
7596
7597static const struct iw_handler_def airo_handler_def =
7598{
7599 .num_standard = ARRAY_SIZE(airo_handler),
7600 .num_private = ARRAY_SIZE(airo_private_handler),
7601 .num_private_args = ARRAY_SIZE(airo_private_args),
7602 .standard = airo_handler,
7603 .private = airo_private_handler,
7604 .private_args = airo_private_args,
7605 .get_wireless_stats = airo_get_wireless_stats,
7606};
7607
7608/*
7609 * This defines the configuration part of the Wireless Extensions
7610 * Note : irq and spinlock protection will occur in the subroutines
7611 *
7612 * TODO :
7613 * o Check input value more carefully and fill correct values in range
7614 * o Test and shakeout the bugs (if any)
7615 *
7616 * Jean II
7617 *
7618 * Javier Achirica did a great job of merging code from the unnamed CISCO
7619 * developer that added support for flashing the card.
7620 */
7621static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7622{
7623 int rc = 0;
7624 struct airo_info *ai = dev->ml_priv;
7625
7626 if (ai->power.event)
7627 return 0;
7628
7629 switch (cmd) {
7630#ifdef CISCO_EXT
7631 case AIROIDIFC:
7632#ifdef AIROOLDIDIFC
7633 case AIROOLDIDIFC:
7634#endif
7635 {
7636 int val = AIROMAGIC;
7637 aironet_ioctl com;
7638 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7639 rc = -EFAULT;
7640 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7641 rc = -EFAULT;
7642 }
7643 break;
7644
7645 case AIROIOCTL:
7646#ifdef AIROOLDIOCTL
7647 case AIROOLDIOCTL:
7648#endif
7649 /* Get the command struct and hand it off for evaluation by
7650 * the proper subfunction
7651 */
7652 {
7653 aironet_ioctl com;
7654 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7655 rc = -EFAULT;
7656 break;
7657 }
7658
7659 /* Separate R/W functions bracket legality here
7660 */
7661 if ( com.command == AIRORSWVERSION ) {
7662 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7663 rc = -EFAULT;
7664 else
7665 rc = 0;
7666 }
7667 else if ( com.command <= AIRORRID)
7668 rc = readrids(dev,&com);
7669 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7670 rc = writerids(dev,&com);
7671 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7672 rc = flashcard(dev,&com);
7673 else
7674 rc = -EINVAL; /* Bad command in ioctl */
7675 }
7676 break;
7677#endif /* CISCO_EXT */
7678
7679 // All other calls are currently unsupported
7680 default:
7681 rc = -EOPNOTSUPP;
7682 }
7683 return rc;
7684}
7685
7686/*
7687 * Get the Wireless stats out of the driver
7688 * Note : irq and spinlock protection will occur in the subroutines
7689 *
7690 * TODO :
7691 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7692 *
7693 * Jean
7694 */
7695static void airo_read_wireless_stats(struct airo_info *local)
7696{
7697 StatusRid status_rid;
7698 StatsRid stats_rid;
7699 CapabilityRid cap_rid;
7700 __le32 *vals = stats_rid.vals;
7701
7702 /* Get stats out of the card */
7703 clear_bit(JOB_WSTATS, &local->jobs);
7704 if (local->power.event) {
7705 up(&local->sem);
7706 return;
7707 }
7708 readCapabilityRid(local, &cap_rid, 0);
7709 readStatusRid(local, &status_rid, 0);
7710 readStatsRid(local, &stats_rid, RID_STATS, 0);
7711 up(&local->sem);
7712
7713 /* The status */
7714 local->wstats.status = le16_to_cpu(status_rid.mode);
7715
7716 /* Signal quality and co */
7717 if (local->rssi) {
7718 local->wstats.qual.level =
7719 airo_rssi_to_dbm(local->rssi,
7720 le16_to_cpu(status_rid.sigQuality));
7721 /* normalizedSignalStrength appears to be a percentage */
7722 local->wstats.qual.qual =
7723 le16_to_cpu(status_rid.normalizedSignalStrength);
7724 } else {
7725 local->wstats.qual.level =
7726 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7727 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7728 }
7729 if (le16_to_cpu(status_rid.len) >= 124) {
7730 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7731 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7732 } else {
7733 local->wstats.qual.noise = 0;
7734 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7735 }
7736
7737 /* Packets discarded in the wireless adapter due to wireless
7738 * specific problems */
7739 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7740 le32_to_cpu(vals[57]) +
7741 le32_to_cpu(vals[58]); /* SSID Mismatch */
7742 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7743 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7744 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7745 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7746 le32_to_cpu(vals[32]);
7747 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7748}
7749
7750static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7751{
7752 struct airo_info *local = dev->ml_priv;
7753
7754 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7755 /* Get stats out of the card if available */
7756 if (down_trylock(&local->sem) != 0) {
7757 set_bit(JOB_WSTATS, &local->jobs);
7758 wake_up_interruptible(&local->thr_wait);
7759 } else
7760 airo_read_wireless_stats(local);
7761 }
7762
7763 return &local->wstats;
7764}
7765
7766#ifdef CISCO_EXT
7767/*
7768 * This just translates from driver IOCTL codes to the command codes to
7769 * feed to the radio's host interface. Things can be added/deleted
7770 * as needed. This represents the READ side of control I/O to
7771 * the card
7772 */
7773static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7774 unsigned short ridcode;
7775 unsigned char *iobuf;
7776 int len;
7777 struct airo_info *ai = dev->ml_priv;
7778
7779 if (test_bit(FLAG_FLASHING, &ai->flags))
7780 return -EIO;
7781
7782 switch(comp->command)
7783 {
7784 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7785 case AIROGCFG: ridcode = RID_CONFIG;
7786 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7787 disable_MAC (ai, 1);
7788 writeConfigRid (ai, 1);
7789 enable_MAC(ai, 1);
7790 }
7791 break;
7792 case AIROGSLIST: ridcode = RID_SSID; break;
7793 case AIROGVLIST: ridcode = RID_APLIST; break;
7794 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7795 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7796 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP; break;
7797 case AIROGWEPKNV: ridcode = RID_WEP_PERM; break;
7798 case AIROGSTAT: ridcode = RID_STATUS; break;
7799 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7800 case AIROGSTATSC32: ridcode = RID_STATS; break;
7801 case AIROGMICSTATS:
7802 if (copy_to_user(comp->data, &ai->micstats,
7803 min((int)comp->len,(int)sizeof(ai->micstats))))
7804 return -EFAULT;
7805 return 0;
7806 case AIRORRID: ridcode = comp->ridnum; break;
7807 default:
7808 return -EINVAL;
7809 }
7810
7811 if (ridcode == RID_WEP_TEMP || ridcode == RID_WEP_PERM) {
7812 /* Only super-user can read WEP keys */
7813 if (!capable(CAP_NET_ADMIN))
7814 return -EPERM;
7815 }
7816
7817 if ((iobuf = kzalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7818 return -ENOMEM;
7819
7820 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7821 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7822 * then return it to the user
7823 * 9/22/2000 Honor user given length
7824 */
7825 len = comp->len;
7826
7827 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7828 kfree (iobuf);
7829 return -EFAULT;
7830 }
7831 kfree (iobuf);
7832 return 0;
7833}
7834
7835/*
7836 * Danger Will Robinson write the rids here
7837 */
7838
7839static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7840 struct airo_info *ai = dev->ml_priv;
7841 int ridcode;
7842 int enabled;
7843 int (*writer)(struct airo_info *, u16 rid, const void *, int, int);
7844 unsigned char *iobuf;
7845
7846 /* Only super-user can write RIDs */
7847 if (!capable(CAP_NET_ADMIN))
7848 return -EPERM;
7849
7850 if (test_bit(FLAG_FLASHING, &ai->flags))
7851 return -EIO;
7852
7853 ridcode = 0;
7854 writer = do_writerid;
7855
7856 switch(comp->command)
7857 {
7858 case AIROPSIDS: ridcode = RID_SSID; break;
7859 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7860 case AIROPAPLIST: ridcode = RID_APLIST; break;
7861 case AIROPCFG: ai->config.len = 0;
7862 clear_bit(FLAG_COMMIT, &ai->flags);
7863 ridcode = RID_CONFIG; break;
7864 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7865 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7866 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7867 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7868 break;
7869 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7870 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7871
7872 /* this is not really a rid but a command given to the card
7873 * same with MAC off
7874 */
7875 case AIROPMACON:
7876 if (enable_MAC(ai, 1) != 0)
7877 return -EIO;
7878 return 0;
7879
7880 /*
7881 * Evidently this code in the airo driver does not get a symbol
7882 * as disable_MAC. it's probably so short the compiler does not gen one.
7883 */
7884 case AIROPMACOFF:
7885 disable_MAC(ai, 1);
7886 return 0;
7887
7888 /* This command merely clears the counts does not actually store any data
7889 * only reads rid. But as it changes the cards state, I put it in the
7890 * writerid routines.
7891 */
7892 case AIROPSTCLR:
7893 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7894 return -ENOMEM;
7895
7896 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7897
7898 enabled = ai->micstats.enabled;
7899 memset(&ai->micstats,0,sizeof(ai->micstats));
7900 ai->micstats.enabled = enabled;
7901
7902 if (copy_to_user(comp->data, iobuf,
7903 min((int)comp->len, (int)RIDSIZE))) {
7904 kfree (iobuf);
7905 return -EFAULT;
7906 }
7907 kfree (iobuf);
7908 return 0;
7909
7910 default:
7911 return -EOPNOTSUPP; /* Blarg! */
7912 }
7913 if(comp->len > RIDSIZE)
7914 return -EINVAL;
7915
7916 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7917 return -ENOMEM;
7918
7919 if (copy_from_user(iobuf,comp->data,comp->len)) {
7920 kfree (iobuf);
7921 return -EFAULT;
7922 }
7923
7924 if (comp->command == AIROPCFG) {
7925 ConfigRid *cfg = (ConfigRid *)iobuf;
7926
7927 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7928 cfg->opmode |= MODE_MIC;
7929
7930 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
7931 set_bit (FLAG_ADHOC, &ai->flags);
7932 else
7933 clear_bit (FLAG_ADHOC, &ai->flags);
7934 }
7935
7936 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7937 kfree (iobuf);
7938 return -EIO;
7939 }
7940 kfree (iobuf);
7941 return 0;
7942}
7943
7944/*****************************************************************************
7945 * Ancillary flash / mod functions much black magic lurkes here *
7946 *****************************************************************************
7947 */
7948
7949/*
7950 * Flash command switch table
7951 */
7952
7953static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7954 int z;
7955
7956 /* Only super-user can modify flash */
7957 if (!capable(CAP_NET_ADMIN))
7958 return -EPERM;
7959
7960 switch(comp->command)
7961 {
7962 case AIROFLSHRST:
7963 return cmdreset((struct airo_info *)dev->ml_priv);
7964
7965 case AIROFLSHSTFL:
7966 if (!AIRO_FLASH(dev) &&
7967 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
7968 return -ENOMEM;
7969 return setflashmode((struct airo_info *)dev->ml_priv);
7970
7971 case AIROFLSHGCHR: /* Get char from aux */
7972 if(comp->len != sizeof(int))
7973 return -EINVAL;
7974 if (copy_from_user(&z,comp->data,comp->len))
7975 return -EFAULT;
7976 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
7977
7978 case AIROFLSHPCHR: /* Send char to card. */
7979 if(comp->len != sizeof(int))
7980 return -EINVAL;
7981 if (copy_from_user(&z,comp->data,comp->len))
7982 return -EFAULT;
7983 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
7984
7985 case AIROFLPUTBUF: /* Send 32k to card */
7986 if (!AIRO_FLASH(dev))
7987 return -ENOMEM;
7988 if(comp->len > FLASHSIZE)
7989 return -EINVAL;
7990 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
7991 return -EFAULT;
7992
7993 flashputbuf((struct airo_info *)dev->ml_priv);
7994 return 0;
7995
7996 case AIRORESTART:
7997 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
7998 return -EIO;
7999 return 0;
8000 }
8001 return -EINVAL;
8002}
8003
8004#define FLASH_COMMAND 0x7e7e
8005
8006/*
8007 * STEP 1)
8008 * Disable MAC and do soft reset on
8009 * card.
8010 */
8011
8012static int cmdreset(struct airo_info *ai) {
8013 disable_MAC(ai, 1);
8014
8015 if(!waitbusy (ai)){
8016 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8017 return -EBUSY;
8018 }
8019
8020 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8021
8022 ssleep(1); /* WAS 600 12/7/00 */
8023
8024 if(!waitbusy (ai)){
8025 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8026 return -EBUSY;
8027 }
8028 return 0;
8029}
8030
8031/* STEP 2)
8032 * Put the card in legendary flash
8033 * mode
8034 */
8035
8036static int setflashmode (struct airo_info *ai) {
8037 set_bit (FLAG_FLASHING, &ai->flags);
8038
8039 OUT4500(ai, SWS0, FLASH_COMMAND);
8040 OUT4500(ai, SWS1, FLASH_COMMAND);
8041 if (probe) {
8042 OUT4500(ai, SWS0, FLASH_COMMAND);
8043 OUT4500(ai, COMMAND,0x10);
8044 } else {
8045 OUT4500(ai, SWS2, FLASH_COMMAND);
8046 OUT4500(ai, SWS3, FLASH_COMMAND);
8047 OUT4500(ai, COMMAND,0);
8048 }
8049 msleep(500); /* 500ms delay */
8050
8051 if(!waitbusy(ai)) {
8052 clear_bit (FLAG_FLASHING, &ai->flags);
8053 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8054 return -EIO;
8055 }
8056 return 0;
8057}
8058
8059/* Put character to SWS0 wait for dwelltime
8060 * x 50us for echo .
8061 */
8062
8063static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8064 int echo;
8065 int waittime;
8066
8067 byte |= 0x8000;
8068
8069 if(dwelltime == 0 )
8070 dwelltime = 200;
8071
8072 waittime=dwelltime;
8073
8074 /* Wait for busy bit d15 to go false indicating buffer empty */
8075 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8076 udelay (50);
8077 waittime -= 50;
8078 }
8079
8080 /* timeout for busy clear wait */
8081 if(waittime <= 0 ){
8082 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8083 return -EBUSY;
8084 }
8085
8086 /* Port is clear now write byte and wait for it to echo back */
8087 do {
8088 OUT4500(ai,SWS0,byte);
8089 udelay(50);
8090 dwelltime -= 50;
8091 echo = IN4500(ai,SWS1);
8092 } while (dwelltime >= 0 && echo != byte);
8093
8094 OUT4500(ai,SWS1,0);
8095
8096 return (echo == byte) ? 0 : -EIO;
8097}
8098
8099/*
8100 * Get a character from the card matching matchbyte
8101 * Step 3)
8102 */
8103static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8104 int rchar;
8105 unsigned char rbyte=0;
8106
8107 do {
8108 rchar = IN4500(ai,SWS1);
8109
8110 if(dwelltime && !(0x8000 & rchar)){
8111 dwelltime -= 10;
8112 mdelay(10);
8113 continue;
8114 }
8115 rbyte = 0xff & rchar;
8116
8117 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8118 OUT4500(ai,SWS1,0);
8119 return 0;
8120 }
8121 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8122 break;
8123 OUT4500(ai,SWS1,0);
8124
8125 }while(dwelltime > 0);
8126 return -EIO;
8127}
8128
8129/*
8130 * Transfer 32k of firmware data from user buffer to our buffer and
8131 * send to the card
8132 */
8133
8134static int flashputbuf(struct airo_info *ai){
8135 int nwords;
8136
8137 /* Write stuff */
8138 if (test_bit(FLAG_MPI,&ai->flags))
8139 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8140 else {
8141 OUT4500(ai,AUXPAGE,0x100);
8142 OUT4500(ai,AUXOFF,0);
8143
8144 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8145 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8146 }
8147 }
8148 OUT4500(ai,SWS0,0x8000);
8149
8150 return 0;
8151}
8152
8153/*
8154 *
8155 */
8156static int flashrestart(struct airo_info *ai,struct net_device *dev){
8157 int i,status;
8158
8159 ssleep(1); /* Added 12/7/00 */
8160 clear_bit (FLAG_FLASHING, &ai->flags);
8161 if (test_bit(FLAG_MPI, &ai->flags)) {
8162 status = mpi_init_descriptors(ai);
8163 if (status != SUCCESS)
8164 return status;
8165 }
8166 status = setup_card(ai, dev->dev_addr, 1);
8167
8168 if (!test_bit(FLAG_MPI,&ai->flags))
8169 for( i = 0; i < MAX_FIDS; i++ ) {
8170 ai->fids[i] = transmit_allocate
8171 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8172 }
8173
8174 ssleep(1); /* Added 12/7/00 */
8175 return status;
8176}
8177#endif /* CISCO_EXT */
8178
8179/*
8180 This program is free software; you can redistribute it and/or
8181 modify it under the terms of the GNU General Public License
8182 as published by the Free Software Foundation; either version 2
8183 of the License, or (at your option) any later version.
8184
8185 This program is distributed in the hope that it will be useful,
8186 but WITHOUT ANY WARRANTY; without even the implied warranty of
8187 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8188 GNU General Public License for more details.
8189
8190 In addition:
8191
8192 Redistribution and use in source and binary forms, with or without
8193 modification, are permitted provided that the following conditions
8194 are met:
8195
8196 1. Redistributions of source code must retain the above copyright
8197 notice, this list of conditions and the following disclaimer.
8198 2. Redistributions in binary form must reproduce the above copyright
8199 notice, this list of conditions and the following disclaimer in the
8200 documentation and/or other materials provided with the distribution.
8201 3. The name of the author may not be used to endorse or promote
8202 products derived from this software without specific prior written
8203 permission.
8204
8205 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8206 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8207 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8208 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8209 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8210 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8211 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8212 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8213 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8214 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8215 POSSIBILITY OF SUCH DAMAGE.
8216*/
8217
8218module_init(airo_init_module);
8219module_exit(airo_cleanup_module);