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[PATCH] airo: fix a race causing initialization failures
[mirror_ubuntu-artful-kernel.git] / drivers / net / wireless / airo.c
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 <asm/io.h>
40 #include <asm/system.h>
41
42 #include <linux/netdevice.h>
43 #include <linux/etherdevice.h>
44 #include <linux/skbuff.h>
45 #include <linux/if_arp.h>
46 #include <linux/ioport.h>
47 #include <linux/pci.h>
48 #include <asm/uaccess.h>
49 #include <net/ieee80211.h>
50 #include <linux/kthread.h>
51 #include <linux/freezer.h>
52
53 #include "airo.h"
54
55 #define DRV_NAME "airo"
56
57 #ifdef CONFIG_PCI
58 static struct pci_device_id card_ids[] = {
59 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
60 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
61 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
62 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
63 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0, }
67 };
68 MODULE_DEVICE_TABLE(pci, card_ids);
69
70 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
71 static void airo_pci_remove(struct pci_dev *);
72 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
73 static int airo_pci_resume(struct pci_dev *pdev);
74
75 static struct pci_driver airo_driver = {
76 .name = DRV_NAME,
77 .id_table = card_ids,
78 .probe = airo_pci_probe,
79 .remove = __devexit_p(airo_pci_remove),
80 .suspend = airo_pci_suspend,
81 .resume = airo_pci_resume,
82 };
83 #endif /* CONFIG_PCI */
84
85 /* Include Wireless Extension definition and check version - Jean II */
86 #include <linux/wireless.h>
87 #define WIRELESS_SPY // enable iwspy support
88 #include <net/iw_handler.h> // New driver API
89
90 #define CISCO_EXT // enable Cisco extensions
91 #ifdef CISCO_EXT
92 #include <linux/delay.h>
93 #endif
94
95 /* Hack to do some power saving */
96 #define POWER_ON_DOWN
97
98 /* As you can see this list is HUGH!
99 I really don't know what a lot of these counts are about, but they
100 are all here for completeness. If the IGNLABEL macro is put in
101 infront of the label, that statistic will not be included in the list
102 of statistics in the /proc filesystem */
103
104 #define IGNLABEL(comment) NULL
105 static char *statsLabels[] = {
106 "RxOverrun",
107 IGNLABEL("RxPlcpCrcErr"),
108 IGNLABEL("RxPlcpFormatErr"),
109 IGNLABEL("RxPlcpLengthErr"),
110 "RxMacCrcErr",
111 "RxMacCrcOk",
112 "RxWepErr",
113 "RxWepOk",
114 "RetryLong",
115 "RetryShort",
116 "MaxRetries",
117 "NoAck",
118 "NoCts",
119 "RxAck",
120 "RxCts",
121 "TxAck",
122 "TxRts",
123 "TxCts",
124 "TxMc",
125 "TxBc",
126 "TxUcFrags",
127 "TxUcPackets",
128 "TxBeacon",
129 "RxBeacon",
130 "TxSinColl",
131 "TxMulColl",
132 "DefersNo",
133 "DefersProt",
134 "DefersEngy",
135 "DupFram",
136 "RxFragDisc",
137 "TxAged",
138 "RxAged",
139 "LostSync-MaxRetry",
140 "LostSync-MissedBeacons",
141 "LostSync-ArlExceeded",
142 "LostSync-Deauth",
143 "LostSync-Disassoced",
144 "LostSync-TsfTiming",
145 "HostTxMc",
146 "HostTxBc",
147 "HostTxUc",
148 "HostTxFail",
149 "HostRxMc",
150 "HostRxBc",
151 "HostRxUc",
152 "HostRxDiscard",
153 IGNLABEL("HmacTxMc"),
154 IGNLABEL("HmacTxBc"),
155 IGNLABEL("HmacTxUc"),
156 IGNLABEL("HmacTxFail"),
157 IGNLABEL("HmacRxMc"),
158 IGNLABEL("HmacRxBc"),
159 IGNLABEL("HmacRxUc"),
160 IGNLABEL("HmacRxDiscard"),
161 IGNLABEL("HmacRxAccepted"),
162 "SsidMismatch",
163 "ApMismatch",
164 "RatesMismatch",
165 "AuthReject",
166 "AuthTimeout",
167 "AssocReject",
168 "AssocTimeout",
169 IGNLABEL("ReasonOutsideTable"),
170 IGNLABEL("ReasonStatus1"),
171 IGNLABEL("ReasonStatus2"),
172 IGNLABEL("ReasonStatus3"),
173 IGNLABEL("ReasonStatus4"),
174 IGNLABEL("ReasonStatus5"),
175 IGNLABEL("ReasonStatus6"),
176 IGNLABEL("ReasonStatus7"),
177 IGNLABEL("ReasonStatus8"),
178 IGNLABEL("ReasonStatus9"),
179 IGNLABEL("ReasonStatus10"),
180 IGNLABEL("ReasonStatus11"),
181 IGNLABEL("ReasonStatus12"),
182 IGNLABEL("ReasonStatus13"),
183 IGNLABEL("ReasonStatus14"),
184 IGNLABEL("ReasonStatus15"),
185 IGNLABEL("ReasonStatus16"),
186 IGNLABEL("ReasonStatus17"),
187 IGNLABEL("ReasonStatus18"),
188 IGNLABEL("ReasonStatus19"),
189 "RxMan",
190 "TxMan",
191 "RxRefresh",
192 "TxRefresh",
193 "RxPoll",
194 "TxPoll",
195 "HostRetries",
196 "LostSync-HostReq",
197 "HostTxBytes",
198 "HostRxBytes",
199 "ElapsedUsec",
200 "ElapsedSec",
201 "LostSyncBetterAP",
202 "PrivacyMismatch",
203 "Jammed",
204 "DiscRxNotWepped",
205 "PhyEleMismatch",
206 (char*)-1 };
207 #ifndef RUN_AT
208 #define RUN_AT(x) (jiffies+(x))
209 #endif
210
211
212 /* These variables are for insmod, since it seems that the rates
213 can only be set in setup_card. Rates should be a comma separated
214 (no spaces) list of rates (up to 8). */
215
216 static int rates[8];
217 static int basic_rate;
218 static char *ssids[3];
219
220 static int io[4];
221 static int irq[4];
222
223 static
224 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
225 0 means no limit. For old cards this was 4 */
226
227 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
228 static 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. */
230 static int adhoc;
231
232 static int probe = 1;
233
234 static int proc_uid /* = 0 */;
235
236 static int proc_gid /* = 0 */;
237
238 static int airo_perm = 0555;
239
240 static int proc_perm = 0644;
241
242 MODULE_AUTHOR("Benjamin Reed");
243 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
244 cards. Direct support for ISA/PCI/MPI cards and support \
245 for PCMCIA when used with airo_cs.");
246 MODULE_LICENSE("Dual BSD/GPL");
247 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
248 module_param_array(io, int, NULL, 0);
249 module_param_array(irq, int, NULL, 0);
250 module_param(basic_rate, int, 0);
251 module_param_array(rates, int, NULL, 0);
252 module_param_array(ssids, charp, NULL, 0);
253 module_param(auto_wep, int, 0);
254 MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
255 the authentication options until an association is made. The value of \
256 auto_wep is number of the wep keys to check. A value of 2 will try using \
257 the key at index 0 and index 1.");
258 module_param(aux_bap, int, 0);
259 MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
260 than seems to work better for older cards with some older buses. Before \
261 switching it checks that the switch is needed.");
262 module_param(maxencrypt, int, 0);
263 MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
264 encryption. Units are in 512kbs. Zero (default) means there is no limit. \
265 Older cards used to be limited to 2mbs (4).");
266 module_param(adhoc, int, 0);
267 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
268 module_param(probe, int, 0);
269 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
270
271 module_param(proc_uid, int, 0);
272 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
273 module_param(proc_gid, int, 0);
274 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
275 module_param(airo_perm, int, 0);
276 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
277 module_param(proc_perm, int, 0);
278 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
279
280 /* This is a kind of sloppy hack to get this information to OUT4500 and
281 IN4500. I would be extremely interested in the situation where this
282 doesn't work though!!! */
283 static int do8bitIO = 0;
284
285 /* Return codes */
286 #define SUCCESS 0
287 #define ERROR -1
288 #define NO_PACKET -2
289
290 /* Commands */
291 #define NOP2 0x0000
292 #define MAC_ENABLE 0x0001
293 #define MAC_DISABLE 0x0002
294 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
295 #define CMD_SOFTRESET 0x0004
296 #define HOSTSLEEP 0x0005
297 #define CMD_MAGIC_PKT 0x0006
298 #define CMD_SETWAKEMASK 0x0007
299 #define CMD_READCFG 0x0008
300 #define CMD_SETMODE 0x0009
301 #define CMD_ALLOCATETX 0x000a
302 #define CMD_TRANSMIT 0x000b
303 #define CMD_DEALLOCATETX 0x000c
304 #define NOP 0x0010
305 #define CMD_WORKAROUND 0x0011
306 #define CMD_ALLOCATEAUX 0x0020
307 #define CMD_ACCESS 0x0021
308 #define CMD_PCIBAP 0x0022
309 #define CMD_PCIAUX 0x0023
310 #define CMD_ALLOCBUF 0x0028
311 #define CMD_GETTLV 0x0029
312 #define CMD_PUTTLV 0x002a
313 #define CMD_DELTLV 0x002b
314 #define CMD_FINDNEXTTLV 0x002c
315 #define CMD_PSPNODES 0x0030
316 #define CMD_SETCW 0x0031
317 #define CMD_SETPCF 0x0032
318 #define CMD_SETPHYREG 0x003e
319 #define CMD_TXTEST 0x003f
320 #define MAC_ENABLETX 0x0101
321 #define CMD_LISTBSS 0x0103
322 #define CMD_SAVECFG 0x0108
323 #define CMD_ENABLEAUX 0x0111
324 #define CMD_WRITERID 0x0121
325 #define CMD_USEPSPNODES 0x0130
326 #define MAC_ENABLERX 0x0201
327
328 /* Command errors */
329 #define ERROR_QUALIF 0x00
330 #define ERROR_ILLCMD 0x01
331 #define ERROR_ILLFMT 0x02
332 #define ERROR_INVFID 0x03
333 #define ERROR_INVRID 0x04
334 #define ERROR_LARGE 0x05
335 #define ERROR_NDISABL 0x06
336 #define ERROR_ALLOCBSY 0x07
337 #define ERROR_NORD 0x0B
338 #define ERROR_NOWR 0x0C
339 #define ERROR_INVFIDTX 0x0D
340 #define ERROR_TESTACT 0x0E
341 #define ERROR_TAGNFND 0x12
342 #define ERROR_DECODE 0x20
343 #define ERROR_DESCUNAV 0x21
344 #define ERROR_BADLEN 0x22
345 #define ERROR_MODE 0x80
346 #define ERROR_HOP 0x81
347 #define ERROR_BINTER 0x82
348 #define ERROR_RXMODE 0x83
349 #define ERROR_MACADDR 0x84
350 #define ERROR_RATES 0x85
351 #define ERROR_ORDER 0x86
352 #define ERROR_SCAN 0x87
353 #define ERROR_AUTH 0x88
354 #define ERROR_PSMODE 0x89
355 #define ERROR_RTYPE 0x8A
356 #define ERROR_DIVER 0x8B
357 #define ERROR_SSID 0x8C
358 #define ERROR_APLIST 0x8D
359 #define ERROR_AUTOWAKE 0x8E
360 #define ERROR_LEAP 0x8F
361
362 /* Registers */
363 #define COMMAND 0x00
364 #define PARAM0 0x02
365 #define PARAM1 0x04
366 #define PARAM2 0x06
367 #define STATUS 0x08
368 #define RESP0 0x0a
369 #define RESP1 0x0c
370 #define RESP2 0x0e
371 #define LINKSTAT 0x10
372 #define SELECT0 0x18
373 #define OFFSET0 0x1c
374 #define RXFID 0x20
375 #define TXALLOCFID 0x22
376 #define TXCOMPLFID 0x24
377 #define DATA0 0x36
378 #define EVSTAT 0x30
379 #define EVINTEN 0x32
380 #define EVACK 0x34
381 #define SWS0 0x28
382 #define SWS1 0x2a
383 #define SWS2 0x2c
384 #define SWS3 0x2e
385 #define AUXPAGE 0x3A
386 #define AUXOFF 0x3C
387 #define AUXDATA 0x3E
388
389 #define FID_TX 1
390 #define FID_RX 2
391 /* Offset into aux memory for descriptors */
392 #define AUX_OFFSET 0x800
393 /* Size of allocated packets */
394 #define PKTSIZE 1840
395 #define RIDSIZE 2048
396 /* Size of the transmit queue */
397 #define MAXTXQ 64
398
399 /* BAP selectors */
400 #define BAP0 0 // Used for receiving packets
401 #define BAP1 2 // Used for xmiting packets and working with RIDS
402
403 /* Flags */
404 #define COMMAND_BUSY 0x8000
405
406 #define BAP_BUSY 0x8000
407 #define BAP_ERR 0x4000
408 #define BAP_DONE 0x2000
409
410 #define PROMISC 0xffff
411 #define NOPROMISC 0x0000
412
413 #define EV_CMD 0x10
414 #define EV_CLEARCOMMANDBUSY 0x4000
415 #define EV_RX 0x01
416 #define EV_TX 0x02
417 #define EV_TXEXC 0x04
418 #define EV_ALLOC 0x08
419 #define EV_LINK 0x80
420 #define EV_AWAKE 0x100
421 #define EV_TXCPY 0x400
422 #define EV_UNKNOWN 0x800
423 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
424 #define EV_AWAKEN 0x2000
425 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
426
427 #ifdef CHECK_UNKNOWN_INTS
428 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
429 #else
430 #define IGNORE_INTS (~STATUS_INTS)
431 #endif
432
433 /* RID TYPES */
434 #define RID_RW 0x20
435
436 /* The RIDs */
437 #define RID_CAPABILITIES 0xFF00
438 #define RID_APINFO 0xFF01
439 #define RID_RADIOINFO 0xFF02
440 #define RID_UNKNOWN3 0xFF03
441 #define RID_RSSI 0xFF04
442 #define RID_CONFIG 0xFF10
443 #define RID_SSID 0xFF11
444 #define RID_APLIST 0xFF12
445 #define RID_DRVNAME 0xFF13
446 #define RID_ETHERENCAP 0xFF14
447 #define RID_WEP_TEMP 0xFF15
448 #define RID_WEP_PERM 0xFF16
449 #define RID_MODULATION 0xFF17
450 #define RID_OPTIONS 0xFF18
451 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
452 #define RID_FACTORYCONFIG 0xFF21
453 #define RID_UNKNOWN22 0xFF22
454 #define RID_LEAPUSERNAME 0xFF23
455 #define RID_LEAPPASSWORD 0xFF24
456 #define RID_STATUS 0xFF50
457 #define RID_BEACON_HST 0xFF51
458 #define RID_BUSY_HST 0xFF52
459 #define RID_RETRIES_HST 0xFF53
460 #define RID_UNKNOWN54 0xFF54
461 #define RID_UNKNOWN55 0xFF55
462 #define RID_UNKNOWN56 0xFF56
463 #define RID_MIC 0xFF57
464 #define RID_STATS16 0xFF60
465 #define RID_STATS16DELTA 0xFF61
466 #define RID_STATS16DELTACLEAR 0xFF62
467 #define RID_STATS 0xFF68
468 #define RID_STATSDELTA 0xFF69
469 #define RID_STATSDELTACLEAR 0xFF6A
470 #define RID_ECHOTEST_RID 0xFF70
471 #define RID_ECHOTEST_RESULTS 0xFF71
472 #define RID_BSSLISTFIRST 0xFF72
473 #define RID_BSSLISTNEXT 0xFF73
474 #define RID_WPA_BSSLISTFIRST 0xFF74
475 #define RID_WPA_BSSLISTNEXT 0xFF75
476
477 typedef struct {
478 u16 cmd;
479 u16 parm0;
480 u16 parm1;
481 u16 parm2;
482 } Cmd;
483
484 typedef struct {
485 u16 status;
486 u16 rsp0;
487 u16 rsp1;
488 u16 rsp2;
489 } Resp;
490
491 /*
492 * Rids and endian-ness: The Rids will always be in cpu endian, since
493 * this all the patches from the big-endian guys end up doing that.
494 * so all rid access should use the read/writeXXXRid routines.
495 */
496
497 /* This is redundant for x86 archs, but it seems necessary for ARM */
498 #pragma pack(1)
499
500 /* This structure came from an email sent to me from an engineer at
501 aironet for inclusion into this driver */
502 typedef struct {
503 u16 len;
504 u16 kindex;
505 u8 mac[ETH_ALEN];
506 u16 klen;
507 u8 key[16];
508 } WepKeyRid;
509
510 /* These structures are from the Aironet's PC4500 Developers Manual */
511 typedef struct {
512 u16 len;
513 u8 ssid[32];
514 } Ssid;
515
516 typedef struct {
517 u16 len;
518 Ssid ssids[3];
519 } SsidRid;
520
521 typedef struct {
522 u16 len;
523 u16 modulation;
524 #define MOD_DEFAULT 0
525 #define MOD_CCK 1
526 #define MOD_MOK 2
527 } ModulationRid;
528
529 typedef struct {
530 u16 len; /* sizeof(ConfigRid) */
531 u16 opmode; /* operating mode */
532 #define MODE_STA_IBSS 0
533 #define MODE_STA_ESS 1
534 #define MODE_AP 2
535 #define MODE_AP_RPTR 3
536 #define MODE_ETHERNET_HOST (0<<8) /* rx payloads converted */
537 #define MODE_LLC_HOST (1<<8) /* rx payloads left as is */
538 #define MODE_AIRONET_EXTEND (1<<9) /* enable Aironet extenstions */
539 #define MODE_AP_INTERFACE (1<<10) /* enable ap interface extensions */
540 #define MODE_ANTENNA_ALIGN (1<<11) /* enable antenna alignment */
541 #define MODE_ETHER_LLC (1<<12) /* enable ethernet LLC */
542 #define MODE_LEAF_NODE (1<<13) /* enable leaf node bridge */
543 #define MODE_CF_POLLABLE (1<<14) /* enable CF pollable */
544 #define MODE_MIC (1<<15) /* enable MIC */
545 u16 rmode; /* receive mode */
546 #define RXMODE_BC_MC_ADDR 0
547 #define RXMODE_BC_ADDR 1 /* ignore multicasts */
548 #define RXMODE_ADDR 2 /* ignore multicast and broadcast */
549 #define RXMODE_RFMON 3 /* wireless monitor mode */
550 #define RXMODE_RFMON_ANYBSS 4
551 #define RXMODE_LANMON 5 /* lan style monitor -- data packets only */
552 #define RXMODE_DISABLE_802_3_HEADER (1<<8) /* disables 802.3 header on rx */
553 #define RXMODE_NORMALIZED_RSSI (1<<9) /* return normalized RSSI */
554 u16 fragThresh;
555 u16 rtsThres;
556 u8 macAddr[ETH_ALEN];
557 u8 rates[8];
558 u16 shortRetryLimit;
559 u16 longRetryLimit;
560 u16 txLifetime; /* in kusec */
561 u16 rxLifetime; /* in kusec */
562 u16 stationary;
563 u16 ordering;
564 u16 u16deviceType; /* for overriding device type */
565 u16 cfpRate;
566 u16 cfpDuration;
567 u16 _reserved1[3];
568 /*---------- Scanning/Associating ----------*/
569 u16 scanMode;
570 #define SCANMODE_ACTIVE 0
571 #define SCANMODE_PASSIVE 1
572 #define SCANMODE_AIROSCAN 2
573 u16 probeDelay; /* in kusec */
574 u16 probeEnergyTimeout; /* in kusec */
575 u16 probeResponseTimeout;
576 u16 beaconListenTimeout;
577 u16 joinNetTimeout;
578 u16 authTimeout;
579 u16 authType;
580 #define AUTH_OPEN 0x1
581 #define AUTH_ENCRYPT 0x101
582 #define AUTH_SHAREDKEY 0x102
583 #define AUTH_ALLOW_UNENCRYPTED 0x200
584 u16 associationTimeout;
585 u16 specifiedApTimeout;
586 u16 offlineScanInterval;
587 u16 offlineScanDuration;
588 u16 linkLossDelay;
589 u16 maxBeaconLostTime;
590 u16 refreshInterval;
591 #define DISABLE_REFRESH 0xFFFF
592 u16 _reserved1a[1];
593 /*---------- Power save operation ----------*/
594 u16 powerSaveMode;
595 #define POWERSAVE_CAM 0
596 #define POWERSAVE_PSP 1
597 #define POWERSAVE_PSPCAM 2
598 u16 sleepForDtims;
599 u16 listenInterval;
600 u16 fastListenInterval;
601 u16 listenDecay;
602 u16 fastListenDelay;
603 u16 _reserved2[2];
604 /*---------- Ap/Ibss config items ----------*/
605 u16 beaconPeriod;
606 u16 atimDuration;
607 u16 hopPeriod;
608 u16 channelSet;
609 u16 channel;
610 u16 dtimPeriod;
611 u16 bridgeDistance;
612 u16 radioID;
613 /*---------- Radio configuration ----------*/
614 u16 radioType;
615 #define RADIOTYPE_DEFAULT 0
616 #define RADIOTYPE_802_11 1
617 #define RADIOTYPE_LEGACY 2
618 u8 rxDiversity;
619 u8 txDiversity;
620 u16 txPower;
621 #define TXPOWER_DEFAULT 0
622 u16 rssiThreshold;
623 #define RSSI_DEFAULT 0
624 u16 modulation;
625 #define PREAMBLE_AUTO 0
626 #define PREAMBLE_LONG 1
627 #define PREAMBLE_SHORT 2
628 u16 preamble;
629 u16 homeProduct;
630 u16 radioSpecific;
631 /*---------- Aironet Extensions ----------*/
632 u8 nodeName[16];
633 u16 arlThreshold;
634 u16 arlDecay;
635 u16 arlDelay;
636 u16 _reserved4[1];
637 /*---------- Aironet Extensions ----------*/
638 u8 magicAction;
639 #define MAGIC_ACTION_STSCHG 1
640 #define MAGIC_ACTION_RESUME 2
641 #define MAGIC_IGNORE_MCAST (1<<8)
642 #define MAGIC_IGNORE_BCAST (1<<9)
643 #define MAGIC_SWITCH_TO_PSP (0<<10)
644 #define MAGIC_STAY_IN_CAM (1<<10)
645 u8 magicControl;
646 u16 autoWake;
647 } ConfigRid;
648
649 typedef struct {
650 u16 len;
651 u8 mac[ETH_ALEN];
652 u16 mode;
653 u16 errorCode;
654 u16 sigQuality;
655 u16 SSIDlen;
656 char SSID[32];
657 char apName[16];
658 u8 bssid[4][ETH_ALEN];
659 u16 beaconPeriod;
660 u16 dimPeriod;
661 u16 atimDuration;
662 u16 hopPeriod;
663 u16 channelSet;
664 u16 channel;
665 u16 hopsToBackbone;
666 u16 apTotalLoad;
667 u16 generatedLoad;
668 u16 accumulatedArl;
669 u16 signalQuality;
670 u16 currentXmitRate;
671 u16 apDevExtensions;
672 u16 normalizedSignalStrength;
673 u16 shortPreamble;
674 u8 apIP[4];
675 u8 noisePercent; /* Noise percent in last second */
676 u8 noisedBm; /* Noise dBm in last second */
677 u8 noiseAvePercent; /* Noise percent in last minute */
678 u8 noiseAvedBm; /* Noise dBm in last minute */
679 u8 noiseMaxPercent; /* Highest noise percent in last minute */
680 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
681 u16 load;
682 u8 carrier[4];
683 u16 assocStatus;
684 #define STAT_NOPACKETS 0
685 #define STAT_NOCARRIERSET 10
686 #define STAT_GOTCARRIERSET 11
687 #define STAT_WRONGSSID 20
688 #define STAT_BADCHANNEL 25
689 #define STAT_BADBITRATES 30
690 #define STAT_BADPRIVACY 35
691 #define STAT_APFOUND 40
692 #define STAT_APREJECTED 50
693 #define STAT_AUTHENTICATING 60
694 #define STAT_DEAUTHENTICATED 61
695 #define STAT_AUTHTIMEOUT 62
696 #define STAT_ASSOCIATING 70
697 #define STAT_DEASSOCIATED 71
698 #define STAT_ASSOCTIMEOUT 72
699 #define STAT_NOTAIROAP 73
700 #define STAT_ASSOCIATED 80
701 #define STAT_LEAPING 90
702 #define STAT_LEAPFAILED 91
703 #define STAT_LEAPTIMEDOUT 92
704 #define STAT_LEAPCOMPLETE 93
705 } StatusRid;
706
707 typedef struct {
708 u16 len;
709 u16 spacer;
710 u32 vals[100];
711 } StatsRid;
712
713
714 typedef struct {
715 u16 len;
716 u8 ap[4][ETH_ALEN];
717 } APListRid;
718
719 typedef struct {
720 u16 len;
721 char oui[3];
722 char zero;
723 u16 prodNum;
724 char manName[32];
725 char prodName[16];
726 char prodVer[8];
727 char factoryAddr[ETH_ALEN];
728 char aironetAddr[ETH_ALEN];
729 u16 radioType;
730 u16 country;
731 char callid[ETH_ALEN];
732 char supportedRates[8];
733 char rxDiversity;
734 char txDiversity;
735 u16 txPowerLevels[8];
736 u16 hardVer;
737 u16 hardCap;
738 u16 tempRange;
739 u16 softVer;
740 u16 softSubVer;
741 u16 interfaceVer;
742 u16 softCap;
743 u16 bootBlockVer;
744 u16 requiredHard;
745 u16 extSoftCap;
746 } CapabilityRid;
747
748
749 /* Only present on firmware >= 5.30.17 */
750 typedef struct {
751 u16 unknown[4];
752 u8 fixed[12]; /* WLAN management frame */
753 u8 iep[624];
754 } BSSListRidExtra;
755
756 typedef struct {
757 u16 len;
758 u16 index; /* First is 0 and 0xffff means end of list */
759 #define RADIO_FH 1 /* Frequency hopping radio type */
760 #define RADIO_DS 2 /* Direct sequence radio type */
761 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
762 u16 radioType;
763 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
764 u8 zero;
765 u8 ssidLen;
766 u8 ssid[32];
767 u16 dBm;
768 #define CAP_ESS (1<<0)
769 #define CAP_IBSS (1<<1)
770 #define CAP_PRIVACY (1<<4)
771 #define CAP_SHORTHDR (1<<5)
772 u16 cap;
773 u16 beaconInterval;
774 u8 rates[8]; /* Same as rates for config rid */
775 struct { /* For frequency hopping only */
776 u16 dwell;
777 u8 hopSet;
778 u8 hopPattern;
779 u8 hopIndex;
780 u8 fill;
781 } fh;
782 u16 dsChannel;
783 u16 atimWindow;
784
785 /* Only present on firmware >= 5.30.17 */
786 BSSListRidExtra extra;
787 } BSSListRid;
788
789 typedef struct {
790 BSSListRid bss;
791 struct list_head list;
792 } BSSListElement;
793
794 typedef struct {
795 u8 rssipct;
796 u8 rssidBm;
797 } tdsRssiEntry;
798
799 typedef struct {
800 u16 len;
801 tdsRssiEntry x[256];
802 } tdsRssiRid;
803
804 typedef struct {
805 u16 len;
806 u16 state;
807 u16 multicastValid;
808 u8 multicast[16];
809 u16 unicastValid;
810 u8 unicast[16];
811 } MICRid;
812
813 typedef struct {
814 u16 typelen;
815
816 union {
817 u8 snap[8];
818 struct {
819 u8 dsap;
820 u8 ssap;
821 u8 control;
822 u8 orgcode[3];
823 u8 fieldtype[2];
824 } llc;
825 } u;
826 u32 mic;
827 u32 seq;
828 } MICBuffer;
829
830 typedef struct {
831 u8 da[ETH_ALEN];
832 u8 sa[ETH_ALEN];
833 } etherHead;
834
835 #pragma pack()
836
837 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
838 #define TXCTL_TXEX (1<<2) /* report if tx fails */
839 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
840 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
841 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
842 #define TXCTL_LLC (1<<4) /* payload is llc */
843 #define TXCTL_RELEASE (0<<5) /* release after completion */
844 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
845
846 #define BUSY_FID 0x10000
847
848 #ifdef CISCO_EXT
849 #define AIROMAGIC 0xa55a
850 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
851 #ifdef SIOCIWFIRSTPRIV
852 #ifdef SIOCDEVPRIVATE
853 #define AIROOLDIOCTL SIOCDEVPRIVATE
854 #define AIROOLDIDIFC AIROOLDIOCTL + 1
855 #endif /* SIOCDEVPRIVATE */
856 #else /* SIOCIWFIRSTPRIV */
857 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
858 #endif /* SIOCIWFIRSTPRIV */
859 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
860 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
861 * only and don't return the modified struct ifreq to the application which
862 * is usually a problem. - Jean II */
863 #define AIROIOCTL SIOCIWFIRSTPRIV
864 #define AIROIDIFC AIROIOCTL + 1
865
866 /* Ioctl constants to be used in airo_ioctl.command */
867
868 #define AIROGCAP 0 // Capability rid
869 #define AIROGCFG 1 // USED A LOT
870 #define AIROGSLIST 2 // System ID list
871 #define AIROGVLIST 3 // List of specified AP's
872 #define AIROGDRVNAM 4 // NOTUSED
873 #define AIROGEHTENC 5 // NOTUSED
874 #define AIROGWEPKTMP 6
875 #define AIROGWEPKNV 7
876 #define AIROGSTAT 8
877 #define AIROGSTATSC32 9
878 #define AIROGSTATSD32 10
879 #define AIROGMICRID 11
880 #define AIROGMICSTATS 12
881 #define AIROGFLAGS 13
882 #define AIROGID 14
883 #define AIRORRID 15
884 #define AIRORSWVERSION 17
885
886 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
887
888 #define AIROPCAP AIROGSTATSD32 + 40
889 #define AIROPVLIST AIROPCAP + 1
890 #define AIROPSLIST AIROPVLIST + 1
891 #define AIROPCFG AIROPSLIST + 1
892 #define AIROPSIDS AIROPCFG + 1
893 #define AIROPAPLIST AIROPSIDS + 1
894 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
895 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
896 #define AIROPSTCLR AIROPMACOFF + 1
897 #define AIROPWEPKEY AIROPSTCLR + 1
898 #define AIROPWEPKEYNV AIROPWEPKEY + 1
899 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
900 #define AIROPLEAPUSR AIROPLEAPPWD + 1
901
902 /* Flash codes */
903
904 #define AIROFLSHRST AIROPWEPKEYNV + 40
905 #define AIROFLSHGCHR AIROFLSHRST + 1
906 #define AIROFLSHSTFL AIROFLSHGCHR + 1
907 #define AIROFLSHPCHR AIROFLSHSTFL + 1
908 #define AIROFLPUTBUF AIROFLSHPCHR + 1
909 #define AIRORESTART AIROFLPUTBUF + 1
910
911 #define FLASHSIZE 32768
912 #define AUXMEMSIZE (256 * 1024)
913
914 typedef struct aironet_ioctl {
915 unsigned short command; // What to do
916 unsigned short len; // Len of data
917 unsigned short ridnum; // rid number
918 unsigned char __user *data; // d-data
919 } aironet_ioctl;
920
921 static char swversion[] = "2.1";
922 #endif /* CISCO_EXT */
923
924 #define NUM_MODULES 2
925 #define MIC_MSGLEN_MAX 2400
926 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
927 #define AIRO_DEF_MTU 2312
928
929 typedef struct {
930 u32 size; // size
931 u8 enabled; // MIC enabled or not
932 u32 rxSuccess; // successful packets received
933 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
934 u32 rxNotMICed; // pkts dropped due to not being MIC'd
935 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
936 u32 rxWrongSequence; // pkts dropped due to sequence number violation
937 u32 reserve[32];
938 } mic_statistics;
939
940 typedef struct {
941 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
942 u64 accum; // accumulated mic, reduced to u32 in final()
943 int position; // current position (byte offset) in message
944 union {
945 u8 d8[4];
946 u32 d32;
947 } part; // saves partial message word across update() calls
948 } emmh32_context;
949
950 typedef struct {
951 emmh32_context seed; // Context - the seed
952 u32 rx; // Received sequence number
953 u32 tx; // Tx sequence number
954 u32 window; // Start of window
955 u8 valid; // Flag to say if context is valid or not
956 u8 key[16];
957 } miccntx;
958
959 typedef struct {
960 miccntx mCtx; // Multicast context
961 miccntx uCtx; // Unicast context
962 } mic_module;
963
964 typedef struct {
965 unsigned int rid: 16;
966 unsigned int len: 15;
967 unsigned int valid: 1;
968 dma_addr_t host_addr;
969 } Rid;
970
971 typedef struct {
972 unsigned int offset: 15;
973 unsigned int eoc: 1;
974 unsigned int len: 15;
975 unsigned int valid: 1;
976 dma_addr_t host_addr;
977 } TxFid;
978
979 typedef struct {
980 unsigned int ctl: 15;
981 unsigned int rdy: 1;
982 unsigned int len: 15;
983 unsigned int valid: 1;
984 dma_addr_t host_addr;
985 } RxFid;
986
987 /*
988 * Host receive descriptor
989 */
990 typedef struct {
991 unsigned char __iomem *card_ram_off; /* offset into card memory of the
992 desc */
993 RxFid rx_desc; /* card receive descriptor */
994 char *virtual_host_addr; /* virtual address of host receive
995 buffer */
996 int pending;
997 } HostRxDesc;
998
999 /*
1000 * Host transmit descriptor
1001 */
1002 typedef struct {
1003 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1004 desc */
1005 TxFid tx_desc; /* card transmit descriptor */
1006 char *virtual_host_addr; /* virtual address of host receive
1007 buffer */
1008 int pending;
1009 } HostTxDesc;
1010
1011 /*
1012 * Host RID descriptor
1013 */
1014 typedef struct {
1015 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1016 descriptor */
1017 Rid rid_desc; /* card RID descriptor */
1018 char *virtual_host_addr; /* virtual address of host receive
1019 buffer */
1020 } HostRidDesc;
1021
1022 typedef struct {
1023 u16 sw0;
1024 u16 sw1;
1025 u16 status;
1026 u16 len;
1027 #define HOST_SET (1 << 0)
1028 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1029 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1030 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1031 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1032 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1033 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1034 #define HOST_RTS (1 << 9) /* Force RTS use */
1035 #define HOST_SHORT (1 << 10) /* Do short preamble */
1036 u16 ctl;
1037 u16 aid;
1038 u16 retries;
1039 u16 fill;
1040 } TxCtlHdr;
1041
1042 typedef struct {
1043 u16 ctl;
1044 u16 duration;
1045 char addr1[6];
1046 char addr2[6];
1047 char addr3[6];
1048 u16 seq;
1049 char addr4[6];
1050 } WifiHdr;
1051
1052
1053 typedef struct {
1054 TxCtlHdr ctlhdr;
1055 u16 fill1;
1056 u16 fill2;
1057 WifiHdr wifihdr;
1058 u16 gaplen;
1059 u16 status;
1060 } WifiCtlHdr;
1061
1062 static WifiCtlHdr wifictlhdr8023 = {
1063 .ctlhdr = {
1064 .ctl = HOST_DONT_RLSE,
1065 }
1066 };
1067
1068 // Frequency list (map channels to frequencies)
1069 static const long frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1070 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
1071
1072 // A few details needed for WEP (Wireless Equivalent Privacy)
1073 #define MAX_KEY_SIZE 13 // 128 (?) bits
1074 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1075 typedef struct wep_key_t {
1076 u16 len;
1077 u8 key[16]; /* 40-bit and 104-bit keys */
1078 } wep_key_t;
1079
1080 /* Backward compatibility */
1081 #ifndef IW_ENCODE_NOKEY
1082 #define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1083 #define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1084 #endif /* IW_ENCODE_NOKEY */
1085
1086 /* List of Wireless Handlers (new API) */
1087 static const struct iw_handler_def airo_handler_def;
1088
1089 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1090
1091 struct airo_info;
1092
1093 static int get_dec_u16( char *buffer, int *start, int limit );
1094 static void OUT4500( struct airo_info *, u16 register, u16 value );
1095 static unsigned short IN4500( struct airo_info *, u16 register );
1096 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1097 static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock );
1098 static void disable_MAC(struct airo_info *ai, int lock);
1099 static void enable_interrupts(struct airo_info*);
1100 static void disable_interrupts(struct airo_info*);
1101 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1102 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1103 static int aux_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1104 int whichbap);
1105 static int fast_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1106 int whichbap);
1107 static int bap_write(struct airo_info*, const u16 *pu16Src, int bytelen,
1108 int whichbap);
1109 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1110 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1111 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1112 *pBuf, int len, int lock);
1113 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1114 int len, int dummy );
1115 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1116 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1117 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1118
1119 static int mpi_send_packet (struct net_device *dev);
1120 static void mpi_unmap_card(struct pci_dev *pci);
1121 static void mpi_receive_802_3(struct airo_info *ai);
1122 static void mpi_receive_802_11(struct airo_info *ai);
1123 static int waitbusy (struct airo_info *ai);
1124
1125 static irqreturn_t airo_interrupt( int irq, void* dev_id);
1126 static int airo_thread(void *data);
1127 static void timer_func( struct net_device *dev );
1128 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1129 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1130 static void airo_read_wireless_stats (struct airo_info *local);
1131 #ifdef CISCO_EXT
1132 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1133 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1134 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1135 #endif /* CISCO_EXT */
1136 static void micinit(struct airo_info *ai);
1137 static int micsetup(struct airo_info *ai);
1138 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1139 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1140
1141 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1142 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1143
1144 static void airo_networks_free(struct airo_info *ai);
1145
1146 struct airo_info {
1147 struct net_device_stats stats;
1148 struct net_device *dev;
1149 struct list_head dev_list;
1150 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1151 use the high bit to mark whether it is in use. */
1152 #define MAX_FIDS 6
1153 #define MPI_MAX_FIDS 1
1154 int fids[MAX_FIDS];
1155 ConfigRid config;
1156 char keyindex; // Used with auto wep
1157 char defindex; // Used with auto wep
1158 struct proc_dir_entry *proc_entry;
1159 spinlock_t aux_lock;
1160 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1161 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1162 #define FLAG_RADIO_MASK 0x03
1163 #define FLAG_ENABLED 2
1164 #define FLAG_ADHOC 3 /* Needed by MIC */
1165 #define FLAG_MIC_CAPABLE 4
1166 #define FLAG_UPDATE_MULTI 5
1167 #define FLAG_UPDATE_UNI 6
1168 #define FLAG_802_11 7
1169 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1170 #define FLAG_PENDING_XMIT 9
1171 #define FLAG_PENDING_XMIT11 10
1172 #define FLAG_MPI 11
1173 #define FLAG_REGISTERED 12
1174 #define FLAG_COMMIT 13
1175 #define FLAG_RESET 14
1176 #define FLAG_FLASHING 15
1177 #define FLAG_WPA_CAPABLE 16
1178 unsigned long flags;
1179 #define JOB_DIE 0
1180 #define JOB_XMIT 1
1181 #define JOB_XMIT11 2
1182 #define JOB_STATS 3
1183 #define JOB_PROMISC 4
1184 #define JOB_MIC 5
1185 #define JOB_EVENT 6
1186 #define JOB_AUTOWEP 7
1187 #define JOB_WSTATS 8
1188 #define JOB_SCAN_RESULTS 9
1189 unsigned long jobs;
1190 int (*bap_read)(struct airo_info*, u16 *pu16Dst, int bytelen,
1191 int whichbap);
1192 unsigned short *flash;
1193 tdsRssiEntry *rssi;
1194 struct task_struct *list_bss_task;
1195 struct task_struct *airo_thread_task;
1196 struct semaphore sem;
1197 wait_queue_head_t thr_wait;
1198 unsigned long expires;
1199 struct {
1200 struct sk_buff *skb;
1201 int fid;
1202 } xmit, xmit11;
1203 struct net_device *wifidev;
1204 struct iw_statistics wstats; // wireless stats
1205 unsigned long scan_timeout; /* Time scan should be read */
1206 struct iw_spy_data spy_data;
1207 struct iw_public_data wireless_data;
1208 /* MIC stuff */
1209 struct crypto_cipher *tfm;
1210 mic_module mod[2];
1211 mic_statistics micstats;
1212 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1213 HostTxDesc txfids[MPI_MAX_FIDS];
1214 HostRidDesc config_desc;
1215 unsigned long ridbus; // phys addr of config_desc
1216 struct sk_buff_head txq;// tx queue used by mpi350 code
1217 struct pci_dev *pci;
1218 unsigned char __iomem *pcimem;
1219 unsigned char __iomem *pciaux;
1220 unsigned char *shared;
1221 dma_addr_t shared_dma;
1222 pm_message_t power;
1223 SsidRid *SSID;
1224 APListRid *APList;
1225 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1226 char proc_name[IFNAMSIZ];
1227
1228 /* WPA-related stuff */
1229 unsigned int bssListFirst;
1230 unsigned int bssListNext;
1231 unsigned int bssListRidLen;
1232
1233 struct list_head network_list;
1234 struct list_head network_free_list;
1235 BSSListElement *networks;
1236 };
1237
1238 static inline int bap_read(struct airo_info *ai, u16 *pu16Dst, int bytelen,
1239 int whichbap) {
1240 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1241 }
1242
1243 static int setup_proc_entry( struct net_device *dev,
1244 struct airo_info *apriv );
1245 static int takedown_proc_entry( struct net_device *dev,
1246 struct airo_info *apriv );
1247
1248 static int cmdreset(struct airo_info *ai);
1249 static int setflashmode (struct airo_info *ai);
1250 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1251 static int flashputbuf(struct airo_info *ai);
1252 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1253
1254 #define airo_print(type, name, fmt, args...) \
1255 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1256
1257 #define airo_print_info(name, fmt, args...) \
1258 airo_print(KERN_INFO, name, fmt, ##args)
1259
1260 #define airo_print_dbg(name, fmt, args...) \
1261 airo_print(KERN_DEBUG, name, fmt, ##args)
1262
1263 #define airo_print_warn(name, fmt, args...) \
1264 airo_print(KERN_WARNING, name, fmt, ##args)
1265
1266 #define airo_print_err(name, fmt, args...) \
1267 airo_print(KERN_ERR, name, fmt, ##args)
1268
1269
1270 /***********************************************************************
1271 * MIC ROUTINES *
1272 ***********************************************************************
1273 */
1274
1275 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1276 static void MoveWindow(miccntx *context, u32 micSeq);
1277 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1278 struct crypto_cipher *tfm);
1279 static void emmh32_init(emmh32_context *context);
1280 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1281 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1282 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1283
1284 /* micinit - Initialize mic seed */
1285
1286 static void micinit(struct airo_info *ai)
1287 {
1288 MICRid mic_rid;
1289
1290 clear_bit(JOB_MIC, &ai->jobs);
1291 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1292 up(&ai->sem);
1293
1294 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1295
1296 if (ai->micstats.enabled) {
1297 /* Key must be valid and different */
1298 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1299 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1300 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1301 /* Age current mic Context */
1302 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1303 /* Initialize new context */
1304 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1305 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1306 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1307 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1308 ai->mod[0].mCtx.valid = 1; //Key is now valid
1309
1310 /* Give key to mic seed */
1311 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1312 }
1313
1314 /* Key must be valid and different */
1315 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1316 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1317 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1318 /* Age current mic Context */
1319 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1320 /* Initialize new context */
1321 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1322
1323 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1324 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1325 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1326 ai->mod[0].uCtx.valid = 1; //Key is now valid
1327
1328 //Give key to mic seed
1329 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1330 }
1331 } else {
1332 /* So next time we have a valid key and mic is enabled, we will update
1333 * the sequence number if the key is the same as before.
1334 */
1335 ai->mod[0].uCtx.valid = 0;
1336 ai->mod[0].mCtx.valid = 0;
1337 }
1338 }
1339
1340 /* micsetup - Get ready for business */
1341
1342 static int micsetup(struct airo_info *ai) {
1343 int i;
1344
1345 if (ai->tfm == NULL)
1346 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1347
1348 if (IS_ERR(ai->tfm)) {
1349 airo_print_err(ai->dev->name, "failed to load transform for AES");
1350 ai->tfm = NULL;
1351 return ERROR;
1352 }
1353
1354 for (i=0; i < NUM_MODULES; i++) {
1355 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1356 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1357 }
1358 return SUCCESS;
1359 }
1360
1361 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1362
1363 /*===========================================================================
1364 * Description: Mic a packet
1365 *
1366 * Inputs: etherHead * pointer to an 802.3 frame
1367 *
1368 * Returns: BOOLEAN if successful, otherwise false.
1369 * PacketTxLen will be updated with the mic'd packets size.
1370 *
1371 * Caveats: It is assumed that the frame buffer will already
1372 * be big enough to hold the largets mic message possible.
1373 * (No memory allocation is done here).
1374 *
1375 * Author: sbraneky (10/15/01)
1376 * Merciless hacks by rwilcher (1/14/02)
1377 */
1378
1379 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1380 {
1381 miccntx *context;
1382
1383 // Determine correct context
1384 // If not adhoc, always use unicast key
1385
1386 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1387 context = &ai->mod[0].mCtx;
1388 else
1389 context = &ai->mod[0].uCtx;
1390
1391 if (!context->valid)
1392 return ERROR;
1393
1394 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1395
1396 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1397
1398 // Add Tx sequence
1399 mic->seq = htonl(context->tx);
1400 context->tx += 2;
1401
1402 emmh32_init(&context->seed); // Mic the packet
1403 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1404 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1405 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1406 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1407 emmh32_final(&context->seed, (u8*)&mic->mic);
1408
1409 /* New Type/length ?????????? */
1410 mic->typelen = 0; //Let NIC know it could be an oversized packet
1411 return SUCCESS;
1412 }
1413
1414 typedef enum {
1415 NONE,
1416 NOMIC,
1417 NOMICPLUMMED,
1418 SEQUENCE,
1419 INCORRECTMIC,
1420 } mic_error;
1421
1422 /*===========================================================================
1423 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1424 * (removes the MIC stuff) if packet is a valid packet.
1425 *
1426 * Inputs: etherHead pointer to the 802.3 packet
1427 *
1428 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1429 *
1430 * Author: sbraneky (10/15/01)
1431 * Merciless hacks by rwilcher (1/14/02)
1432 *---------------------------------------------------------------------------
1433 */
1434
1435 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1436 {
1437 int i;
1438 u32 micSEQ;
1439 miccntx *context;
1440 u8 digest[4];
1441 mic_error micError = NONE;
1442
1443 // Check if the packet is a Mic'd packet
1444
1445 if (!ai->micstats.enabled) {
1446 //No Mic set or Mic OFF but we received a MIC'd packet.
1447 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1448 ai->micstats.rxMICPlummed++;
1449 return ERROR;
1450 }
1451 return SUCCESS;
1452 }
1453
1454 if (ntohs(mic->typelen) == 0x888E)
1455 return SUCCESS;
1456
1457 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1458 // Mic enabled but packet isn't Mic'd
1459 ai->micstats.rxMICPlummed++;
1460 return ERROR;
1461 }
1462
1463 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1464
1465 //At this point we a have a mic'd packet and mic is enabled
1466 //Now do the mic error checking.
1467
1468 //Receive seq must be odd
1469 if ( (micSEQ & 1) == 0 ) {
1470 ai->micstats.rxWrongSequence++;
1471 return ERROR;
1472 }
1473
1474 for (i = 0; i < NUM_MODULES; i++) {
1475 int mcast = eth->da[0] & 1;
1476 //Determine proper context
1477 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1478
1479 //Make sure context is valid
1480 if (!context->valid) {
1481 if (i == 0)
1482 micError = NOMICPLUMMED;
1483 continue;
1484 }
1485 //DeMic it
1486
1487 if (!mic->typelen)
1488 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1489
1490 emmh32_init(&context->seed);
1491 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1492 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1493 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1494 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1495 //Calculate MIC
1496 emmh32_final(&context->seed, digest);
1497
1498 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1499 //Invalid Mic
1500 if (i == 0)
1501 micError = INCORRECTMIC;
1502 continue;
1503 }
1504
1505 //Check Sequence number if mics pass
1506 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1507 ai->micstats.rxSuccess++;
1508 return SUCCESS;
1509 }
1510 if (i == 0)
1511 micError = SEQUENCE;
1512 }
1513
1514 // Update statistics
1515 switch (micError) {
1516 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1517 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1518 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1519 case NONE: break;
1520 case NOMIC: break;
1521 }
1522 return ERROR;
1523 }
1524
1525 /*===========================================================================
1526 * Description: Checks the Rx Seq number to make sure it is valid
1527 * and hasn't already been received
1528 *
1529 * Inputs: miccntx - mic context to check seq against
1530 * micSeq - the Mic seq number
1531 *
1532 * Returns: TRUE if valid otherwise FALSE.
1533 *
1534 * Author: sbraneky (10/15/01)
1535 * Merciless hacks by rwilcher (1/14/02)
1536 *---------------------------------------------------------------------------
1537 */
1538
1539 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1540 {
1541 u32 seq,index;
1542
1543 //Allow for the ap being rebooted - if it is then use the next
1544 //sequence number of the current sequence number - might go backwards
1545
1546 if (mcast) {
1547 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1548 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1549 context->window = (micSeq > 33) ? micSeq : 33;
1550 context->rx = 0; // Reset rx
1551 }
1552 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1553 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1554 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1555 context->rx = 0; // Reset rx
1556 }
1557
1558 //Make sequence number relative to START of window
1559 seq = micSeq - (context->window - 33);
1560
1561 //Too old of a SEQ number to check.
1562 if ((s32)seq < 0)
1563 return ERROR;
1564
1565 if ( seq > 64 ) {
1566 //Window is infinite forward
1567 MoveWindow(context,micSeq);
1568 return SUCCESS;
1569 }
1570
1571 // We are in the window. Now check the context rx bit to see if it was already sent
1572 seq >>= 1; //divide by 2 because we only have odd numbers
1573 index = 1 << seq; //Get an index number
1574
1575 if (!(context->rx & index)) {
1576 //micSEQ falls inside the window.
1577 //Add seqence number to the list of received numbers.
1578 context->rx |= index;
1579
1580 MoveWindow(context,micSeq);
1581
1582 return SUCCESS;
1583 }
1584 return ERROR;
1585 }
1586
1587 static void MoveWindow(miccntx *context, u32 micSeq)
1588 {
1589 u32 shift;
1590
1591 //Move window if seq greater than the middle of the window
1592 if (micSeq > context->window) {
1593 shift = (micSeq - context->window) >> 1;
1594
1595 //Shift out old
1596 if (shift < 32)
1597 context->rx >>= shift;
1598 else
1599 context->rx = 0;
1600
1601 context->window = micSeq; //Move window
1602 }
1603 }
1604
1605 /*==============================================*/
1606 /*========== EMMH ROUTINES ====================*/
1607 /*==============================================*/
1608
1609 /* mic accumulate */
1610 #define MIC_ACCUM(val) \
1611 context->accum += (u64)(val) * context->coeff[coeff_position++];
1612
1613 static unsigned char aes_counter[16];
1614
1615 /* expand the key to fill the MMH coefficient array */
1616 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1617 struct crypto_cipher *tfm)
1618 {
1619 /* take the keying material, expand if necessary, truncate at 16-bytes */
1620 /* run through AES counter mode to generate context->coeff[] */
1621
1622 int i,j;
1623 u32 counter;
1624 u8 *cipher, plain[16];
1625
1626 crypto_cipher_setkey(tfm, pkey, 16);
1627 counter = 0;
1628 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1629 aes_counter[15] = (u8)(counter >> 0);
1630 aes_counter[14] = (u8)(counter >> 8);
1631 aes_counter[13] = (u8)(counter >> 16);
1632 aes_counter[12] = (u8)(counter >> 24);
1633 counter++;
1634 memcpy (plain, aes_counter, 16);
1635 crypto_cipher_encrypt_one(tfm, plain, plain);
1636 cipher = plain;
1637 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1638 context->coeff[i++] = ntohl(*(u32 *)&cipher[j]);
1639 j += 4;
1640 }
1641 }
1642 }
1643
1644 /* prepare for calculation of a new mic */
1645 static void emmh32_init(emmh32_context *context)
1646 {
1647 /* prepare for new mic calculation */
1648 context->accum = 0;
1649 context->position = 0;
1650 }
1651
1652 /* add some bytes to the mic calculation */
1653 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1654 {
1655 int coeff_position, byte_position;
1656
1657 if (len == 0) return;
1658
1659 coeff_position = context->position >> 2;
1660
1661 /* deal with partial 32-bit word left over from last update */
1662 byte_position = context->position & 3;
1663 if (byte_position) {
1664 /* have a partial word in part to deal with */
1665 do {
1666 if (len == 0) return;
1667 context->part.d8[byte_position++] = *pOctets++;
1668 context->position++;
1669 len--;
1670 } while (byte_position < 4);
1671 MIC_ACCUM(htonl(context->part.d32));
1672 }
1673
1674 /* deal with full 32-bit words */
1675 while (len >= 4) {
1676 MIC_ACCUM(htonl(*(u32 *)pOctets));
1677 context->position += 4;
1678 pOctets += 4;
1679 len -= 4;
1680 }
1681
1682 /* deal with partial 32-bit word that will be left over from this update */
1683 byte_position = 0;
1684 while (len > 0) {
1685 context->part.d8[byte_position++] = *pOctets++;
1686 context->position++;
1687 len--;
1688 }
1689 }
1690
1691 /* mask used to zero empty bytes for final partial word */
1692 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1693
1694 /* calculate the mic */
1695 static void emmh32_final(emmh32_context *context, u8 digest[4])
1696 {
1697 int coeff_position, byte_position;
1698 u32 val;
1699
1700 u64 sum, utmp;
1701 s64 stmp;
1702
1703 coeff_position = context->position >> 2;
1704
1705 /* deal with partial 32-bit word left over from last update */
1706 byte_position = context->position & 3;
1707 if (byte_position) {
1708 /* have a partial word in part to deal with */
1709 val = htonl(context->part.d32);
1710 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1711 }
1712
1713 /* reduce the accumulated u64 to a 32-bit MIC */
1714 sum = context->accum;
1715 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1716 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1717 sum = utmp & 0xffffffffLL;
1718 if (utmp > 0x10000000fLL)
1719 sum -= 15;
1720
1721 val = (u32)sum;
1722 digest[0] = (val>>24) & 0xFF;
1723 digest[1] = (val>>16) & 0xFF;
1724 digest[2] = (val>>8) & 0xFF;
1725 digest[3] = val & 0xFF;
1726 }
1727
1728 static int readBSSListRid(struct airo_info *ai, int first,
1729 BSSListRid *list) {
1730 int rc;
1731 Cmd cmd;
1732 Resp rsp;
1733
1734 if (first == 1) {
1735 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1736 memset(&cmd, 0, sizeof(cmd));
1737 cmd.cmd=CMD_LISTBSS;
1738 if (down_interruptible(&ai->sem))
1739 return -ERESTARTSYS;
1740 ai->list_bss_task = current;
1741 issuecommand(ai, &cmd, &rsp);
1742 up(&ai->sem);
1743 /* Let the command take effect */
1744 schedule_timeout_uninterruptible(3 * HZ);
1745 ai->list_bss_task = NULL;
1746 }
1747 rc = PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1748 list, ai->bssListRidLen, 1);
1749
1750 list->len = le16_to_cpu(list->len);
1751 list->index = le16_to_cpu(list->index);
1752 list->radioType = le16_to_cpu(list->radioType);
1753 list->cap = le16_to_cpu(list->cap);
1754 list->beaconInterval = le16_to_cpu(list->beaconInterval);
1755 list->fh.dwell = le16_to_cpu(list->fh.dwell);
1756 list->dsChannel = le16_to_cpu(list->dsChannel);
1757 list->atimWindow = le16_to_cpu(list->atimWindow);
1758 list->dBm = le16_to_cpu(list->dBm);
1759 return rc;
1760 }
1761
1762 static int readWepKeyRid(struct airo_info*ai, WepKeyRid *wkr, int temp, int lock) {
1763 int rc = PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1764 wkr, sizeof(*wkr), lock);
1765
1766 wkr->len = le16_to_cpu(wkr->len);
1767 wkr->kindex = le16_to_cpu(wkr->kindex);
1768 wkr->klen = le16_to_cpu(wkr->klen);
1769 return rc;
1770 }
1771 /* In the writeXXXRid routines we copy the rids so that we don't screwup
1772 * the originals when we endian them... */
1773 static int writeWepKeyRid(struct airo_info*ai, WepKeyRid *pwkr, int perm, int lock) {
1774 int rc;
1775 WepKeyRid wkr = *pwkr;
1776
1777 wkr.len = cpu_to_le16(wkr.len);
1778 wkr.kindex = cpu_to_le16(wkr.kindex);
1779 wkr.klen = cpu_to_le16(wkr.klen);
1780 rc = PC4500_writerid(ai, RID_WEP_TEMP, &wkr, sizeof(wkr), lock);
1781 if (rc!=SUCCESS) airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1782 if (perm) {
1783 rc = PC4500_writerid(ai, RID_WEP_PERM, &wkr, sizeof(wkr), lock);
1784 if (rc!=SUCCESS) {
1785 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1786 }
1787 }
1788 return rc;
1789 }
1790
1791 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr) {
1792 int i;
1793 int rc = PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1794
1795 ssidr->len = le16_to_cpu(ssidr->len);
1796 for(i = 0; i < 3; i++) {
1797 ssidr->ssids[i].len = le16_to_cpu(ssidr->ssids[i].len);
1798 }
1799 return rc;
1800 }
1801 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock) {
1802 int rc;
1803 int i;
1804 SsidRid ssidr = *pssidr;
1805
1806 ssidr.len = cpu_to_le16(ssidr.len);
1807 for(i = 0; i < 3; i++) {
1808 ssidr.ssids[i].len = cpu_to_le16(ssidr.ssids[i].len);
1809 }
1810 rc = PC4500_writerid(ai, RID_SSID, &ssidr, sizeof(ssidr), lock);
1811 return rc;
1812 }
1813 static int readConfigRid(struct airo_info*ai, int lock) {
1814 int rc;
1815 u16 *s;
1816 ConfigRid cfg;
1817
1818 if (ai->config.len)
1819 return SUCCESS;
1820
1821 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1822 if (rc != SUCCESS)
1823 return rc;
1824
1825 for(s = &cfg.len; s <= &cfg.rtsThres; s++) *s = le16_to_cpu(*s);
1826
1827 for(s = &cfg.shortRetryLimit; s <= &cfg.radioType; s++)
1828 *s = le16_to_cpu(*s);
1829
1830 for(s = &cfg.txPower; s <= &cfg.radioSpecific; s++)
1831 *s = le16_to_cpu(*s);
1832
1833 for(s = &cfg.arlThreshold; s <= &cfg._reserved4[0]; s++)
1834 *s = cpu_to_le16(*s);
1835
1836 for(s = &cfg.autoWake; s <= &cfg.autoWake; s++)
1837 *s = cpu_to_le16(*s);
1838
1839 ai->config = cfg;
1840 return SUCCESS;
1841 }
1842 static inline void checkThrottle(struct airo_info *ai) {
1843 int i;
1844 /* Old hardware had a limit on encryption speed */
1845 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1846 for(i=0; i<8; i++) {
1847 if (ai->config.rates[i] > maxencrypt) {
1848 ai->config.rates[i] = 0;
1849 }
1850 }
1851 }
1852 }
1853 static int writeConfigRid(struct airo_info*ai, int lock) {
1854 u16 *s;
1855 ConfigRid cfgr;
1856
1857 if (!test_bit (FLAG_COMMIT, &ai->flags))
1858 return SUCCESS;
1859
1860 clear_bit (FLAG_COMMIT, &ai->flags);
1861 clear_bit (FLAG_RESET, &ai->flags);
1862 checkThrottle(ai);
1863 cfgr = ai->config;
1864
1865 if ((cfgr.opmode & 0xFF) == MODE_STA_IBSS)
1866 set_bit(FLAG_ADHOC, &ai->flags);
1867 else
1868 clear_bit(FLAG_ADHOC, &ai->flags);
1869
1870 for(s = &cfgr.len; s <= &cfgr.rtsThres; s++) *s = cpu_to_le16(*s);
1871
1872 for(s = &cfgr.shortRetryLimit; s <= &cfgr.radioType; s++)
1873 *s = cpu_to_le16(*s);
1874
1875 for(s = &cfgr.txPower; s <= &cfgr.radioSpecific; s++)
1876 *s = cpu_to_le16(*s);
1877
1878 for(s = &cfgr.arlThreshold; s <= &cfgr._reserved4[0]; s++)
1879 *s = cpu_to_le16(*s);
1880
1881 for(s = &cfgr.autoWake; s <= &cfgr.autoWake; s++)
1882 *s = cpu_to_le16(*s);
1883
1884 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1885 }
1886 static int readStatusRid(struct airo_info*ai, StatusRid *statr, int lock) {
1887 int rc = PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1888 u16 *s;
1889
1890 statr->len = le16_to_cpu(statr->len);
1891 for(s = &statr->mode; s <= &statr->SSIDlen; s++) *s = le16_to_cpu(*s);
1892
1893 for(s = &statr->beaconPeriod; s <= &statr->shortPreamble; s++)
1894 *s = le16_to_cpu(*s);
1895 statr->load = le16_to_cpu(statr->load);
1896 statr->assocStatus = le16_to_cpu(statr->assocStatus);
1897 return rc;
1898 }
1899 static int readAPListRid(struct airo_info*ai, APListRid *aplr) {
1900 int rc = PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1901 aplr->len = le16_to_cpu(aplr->len);
1902 return rc;
1903 }
1904 static int writeAPListRid(struct airo_info*ai, APListRid *aplr, int lock) {
1905 int rc;
1906 aplr->len = cpu_to_le16(aplr->len);
1907 rc = PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1908 return rc;
1909 }
1910 static int readCapabilityRid(struct airo_info*ai, CapabilityRid *capr, int lock) {
1911 int rc = PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1912 u16 *s;
1913
1914 capr->len = le16_to_cpu(capr->len);
1915 capr->prodNum = le16_to_cpu(capr->prodNum);
1916 capr->radioType = le16_to_cpu(capr->radioType);
1917 capr->country = le16_to_cpu(capr->country);
1918 for(s = &capr->txPowerLevels[0]; s <= &capr->requiredHard; s++)
1919 *s = le16_to_cpu(*s);
1920 return rc;
1921 }
1922 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) {
1923 int rc = PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1924 u32 *i;
1925
1926 sr->len = le16_to_cpu(sr->len);
1927 for(i = &sr->vals[0]; i <= &sr->vals[99]; i++) *i = le32_to_cpu(*i);
1928 return rc;
1929 }
1930
1931 static void try_auto_wep(struct airo_info *ai)
1932 {
1933 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1934 ai->expires = RUN_AT(3*HZ);
1935 wake_up_interruptible(&ai->thr_wait);
1936 }
1937 }
1938
1939 static int airo_open(struct net_device *dev) {
1940 struct airo_info *ai = dev->priv;
1941 Resp rsp;
1942 int rc = 0;
1943
1944 if (test_bit(FLAG_FLASHING, &ai->flags))
1945 return -EIO;
1946
1947 /* Make sure the card is configured.
1948 * Wireless Extensions may postpone config changes until the card
1949 * is open (to pipeline changes and speed-up card setup). If
1950 * those changes are not yet commited, do it now - Jean II */
1951 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1952 disable_MAC(ai, 1);
1953 writeConfigRid(ai, 1);
1954 }
1955
1956 if (ai->wifidev != dev) {
1957 clear_bit(JOB_DIE, &ai->jobs);
1958 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1959 if (IS_ERR(ai->airo_thread_task))
1960 return (int)PTR_ERR(ai->airo_thread_task);
1961
1962 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1963 dev->name, dev);
1964 if (rc) {
1965 airo_print_err(dev->name,
1966 "register interrupt %d failed, rc %d",
1967 dev->irq, rc);
1968 set_bit(JOB_DIE, &ai->jobs);
1969 kthread_stop(ai->airo_thread_task);
1970 return rc;
1971 }
1972
1973 /* Power on the MAC controller (which may have been disabled) */
1974 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1975 enable_interrupts(ai);
1976
1977 try_auto_wep(ai);
1978 }
1979 enable_MAC(ai, &rsp, 1);
1980
1981 netif_start_queue(dev);
1982 return 0;
1983 }
1984
1985 static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1986 int npacks, pending;
1987 unsigned long flags;
1988 struct airo_info *ai = dev->priv;
1989
1990 if (!skb) {
1991 airo_print_err(dev->name, "%s: skb == NULL!",__FUNCTION__);
1992 return 0;
1993 }
1994 npacks = skb_queue_len (&ai->txq);
1995
1996 if (npacks >= MAXTXQ - 1) {
1997 netif_stop_queue (dev);
1998 if (npacks > MAXTXQ) {
1999 ai->stats.tx_fifo_errors++;
2000 return 1;
2001 }
2002 skb_queue_tail (&ai->txq, skb);
2003 return 0;
2004 }
2005
2006 spin_lock_irqsave(&ai->aux_lock, flags);
2007 skb_queue_tail (&ai->txq, skb);
2008 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
2009 spin_unlock_irqrestore(&ai->aux_lock,flags);
2010 netif_wake_queue (dev);
2011
2012 if (pending == 0) {
2013 set_bit(FLAG_PENDING_XMIT, &ai->flags);
2014 mpi_send_packet (dev);
2015 }
2016 return 0;
2017 }
2018
2019 /*
2020 * @mpi_send_packet
2021 *
2022 * Attempt to transmit a packet. Can be called from interrupt
2023 * or transmit . return number of packets we tried to send
2024 */
2025
2026 static int mpi_send_packet (struct net_device *dev)
2027 {
2028 struct sk_buff *skb;
2029 unsigned char *buffer;
2030 s16 len, *payloadLen;
2031 struct airo_info *ai = dev->priv;
2032 u8 *sendbuf;
2033
2034 /* get a packet to send */
2035
2036 if ((skb = skb_dequeue(&ai->txq)) == 0) {
2037 airo_print_err(dev->name,
2038 "%s: Dequeue'd zero in send_packet()",
2039 __FUNCTION__);
2040 return 0;
2041 }
2042
2043 /* check min length*/
2044 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2045 buffer = skb->data;
2046
2047 ai->txfids[0].tx_desc.offset = 0;
2048 ai->txfids[0].tx_desc.valid = 1;
2049 ai->txfids[0].tx_desc.eoc = 1;
2050 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
2051
2052 /*
2053 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
2054 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
2055 * is immediatly after it. ------------------------------------------------
2056 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
2057 * ------------------------------------------------
2058 */
2059
2060 memcpy((char *)ai->txfids[0].virtual_host_addr,
2061 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2062
2063 payloadLen = (s16 *)(ai->txfids[0].virtual_host_addr +
2064 sizeof(wifictlhdr8023));
2065 sendbuf = ai->txfids[0].virtual_host_addr +
2066 sizeof(wifictlhdr8023) + 2 ;
2067
2068 /*
2069 * Firmware automaticly puts 802 header on so
2070 * we don't need to account for it in the length
2071 */
2072 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2073 (ntohs(((u16 *)buffer)[6]) != 0x888E)) {
2074 MICBuffer pMic;
2075
2076 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2077 return ERROR;
2078
2079 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2080 ai->txfids[0].tx_desc.len += sizeof(pMic);
2081 /* copy data into airo dma buffer */
2082 memcpy (sendbuf, buffer, sizeof(etherHead));
2083 buffer += sizeof(etherHead);
2084 sendbuf += sizeof(etherHead);
2085 memcpy (sendbuf, &pMic, sizeof(pMic));
2086 sendbuf += sizeof(pMic);
2087 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2088 } else {
2089 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2090
2091 dev->trans_start = jiffies;
2092
2093 /* copy data into airo dma buffer */
2094 memcpy(sendbuf, buffer, len);
2095 }
2096
2097 memcpy_toio(ai->txfids[0].card_ram_off,
2098 &ai->txfids[0].tx_desc, sizeof(TxFid));
2099
2100 OUT4500(ai, EVACK, 8);
2101
2102 dev_kfree_skb_any(skb);
2103 return 1;
2104 }
2105
2106 static void get_tx_error(struct airo_info *ai, s32 fid)
2107 {
2108 u16 status;
2109
2110 if (fid < 0)
2111 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2112 else {
2113 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2114 return;
2115 bap_read(ai, &status, 2, BAP0);
2116 }
2117 if (le16_to_cpu(status) & 2) /* Too many retries */
2118 ai->stats.tx_aborted_errors++;
2119 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2120 ai->stats.tx_heartbeat_errors++;
2121 if (le16_to_cpu(status) & 8) /* Aid fail */
2122 { }
2123 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2124 ai->stats.tx_carrier_errors++;
2125 if (le16_to_cpu(status) & 0x20) /* Association lost */
2126 { }
2127 /* We produce a TXDROP event only for retry or lifetime
2128 * exceeded, because that's the only status that really mean
2129 * that this particular node went away.
2130 * Other errors means that *we* screwed up. - Jean II */
2131 if ((le16_to_cpu(status) & 2) ||
2132 (le16_to_cpu(status) & 4)) {
2133 union iwreq_data wrqu;
2134 char junk[0x18];
2135
2136 /* Faster to skip over useless data than to do
2137 * another bap_setup(). We are at offset 0x6 and
2138 * need to go to 0x18 and read 6 bytes - Jean II */
2139 bap_read(ai, (u16 *) junk, 0x18, BAP0);
2140
2141 /* Copy 802.11 dest address.
2142 * We use the 802.11 header because the frame may
2143 * not be 802.3 or may be mangled...
2144 * In Ad-Hoc mode, it will be the node address.
2145 * In managed mode, it will be most likely the AP addr
2146 * User space will figure out how to convert it to
2147 * whatever it needs (IP address or else).
2148 * - Jean II */
2149 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2150 wrqu.addr.sa_family = ARPHRD_ETHER;
2151
2152 /* Send event to user space */
2153 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2154 }
2155 }
2156
2157 static void airo_end_xmit(struct net_device *dev) {
2158 u16 status;
2159 int i;
2160 struct airo_info *priv = dev->priv;
2161 struct sk_buff *skb = priv->xmit.skb;
2162 int fid = priv->xmit.fid;
2163 u32 *fids = priv->fids;
2164
2165 clear_bit(JOB_XMIT, &priv->jobs);
2166 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2167 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2168 up(&priv->sem);
2169
2170 i = 0;
2171 if ( status == SUCCESS ) {
2172 dev->trans_start = jiffies;
2173 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2174 } else {
2175 priv->fids[fid] &= 0xffff;
2176 priv->stats.tx_window_errors++;
2177 }
2178 if (i < MAX_FIDS / 2)
2179 netif_wake_queue(dev);
2180 dev_kfree_skb(skb);
2181 }
2182
2183 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2184 s16 len;
2185 int i, j;
2186 struct airo_info *priv = dev->priv;
2187 u32 *fids = priv->fids;
2188
2189 if ( skb == NULL ) {
2190 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2191 return 0;
2192 }
2193
2194 /* Find a vacant FID */
2195 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2196 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2197
2198 if ( j >= MAX_FIDS / 2 ) {
2199 netif_stop_queue(dev);
2200
2201 if (i == MAX_FIDS / 2) {
2202 priv->stats.tx_fifo_errors++;
2203 return 1;
2204 }
2205 }
2206 /* check min length*/
2207 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2208 /* Mark fid as used & save length for later */
2209 fids[i] |= (len << 16);
2210 priv->xmit.skb = skb;
2211 priv->xmit.fid = i;
2212 if (down_trylock(&priv->sem) != 0) {
2213 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2214 netif_stop_queue(dev);
2215 set_bit(JOB_XMIT, &priv->jobs);
2216 wake_up_interruptible(&priv->thr_wait);
2217 } else
2218 airo_end_xmit(dev);
2219 return 0;
2220 }
2221
2222 static void airo_end_xmit11(struct net_device *dev) {
2223 u16 status;
2224 int i;
2225 struct airo_info *priv = dev->priv;
2226 struct sk_buff *skb = priv->xmit11.skb;
2227 int fid = priv->xmit11.fid;
2228 u32 *fids = priv->fids;
2229
2230 clear_bit(JOB_XMIT11, &priv->jobs);
2231 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2232 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2233 up(&priv->sem);
2234
2235 i = MAX_FIDS / 2;
2236 if ( status == SUCCESS ) {
2237 dev->trans_start = jiffies;
2238 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2239 } else {
2240 priv->fids[fid] &= 0xffff;
2241 priv->stats.tx_window_errors++;
2242 }
2243 if (i < MAX_FIDS)
2244 netif_wake_queue(dev);
2245 dev_kfree_skb(skb);
2246 }
2247
2248 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2249 s16 len;
2250 int i, j;
2251 struct airo_info *priv = dev->priv;
2252 u32 *fids = priv->fids;
2253
2254 if (test_bit(FLAG_MPI, &priv->flags)) {
2255 /* Not implemented yet for MPI350 */
2256 netif_stop_queue(dev);
2257 return -ENETDOWN;
2258 }
2259
2260 if ( skb == NULL ) {
2261 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2262 return 0;
2263 }
2264
2265 /* Find a vacant FID */
2266 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2267 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2268
2269 if ( j >= MAX_FIDS ) {
2270 netif_stop_queue(dev);
2271
2272 if (i == MAX_FIDS) {
2273 priv->stats.tx_fifo_errors++;
2274 return 1;
2275 }
2276 }
2277 /* check min length*/
2278 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2279 /* Mark fid as used & save length for later */
2280 fids[i] |= (len << 16);
2281 priv->xmit11.skb = skb;
2282 priv->xmit11.fid = i;
2283 if (down_trylock(&priv->sem) != 0) {
2284 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2285 netif_stop_queue(dev);
2286 set_bit(JOB_XMIT11, &priv->jobs);
2287 wake_up_interruptible(&priv->thr_wait);
2288 } else
2289 airo_end_xmit11(dev);
2290 return 0;
2291 }
2292
2293 static void airo_read_stats(struct airo_info *ai) {
2294 StatsRid stats_rid;
2295 u32 *vals = stats_rid.vals;
2296
2297 clear_bit(JOB_STATS, &ai->jobs);
2298 if (ai->power.event) {
2299 up(&ai->sem);
2300 return;
2301 }
2302 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2303 up(&ai->sem);
2304
2305 ai->stats.rx_packets = vals[43] + vals[44] + vals[45];
2306 ai->stats.tx_packets = vals[39] + vals[40] + vals[41];
2307 ai->stats.rx_bytes = vals[92];
2308 ai->stats.tx_bytes = vals[91];
2309 ai->stats.rx_errors = vals[0] + vals[2] + vals[3] + vals[4];
2310 ai->stats.tx_errors = vals[42] + ai->stats.tx_fifo_errors;
2311 ai->stats.multicast = vals[43];
2312 ai->stats.collisions = vals[89];
2313
2314 /* detailed rx_errors: */
2315 ai->stats.rx_length_errors = vals[3];
2316 ai->stats.rx_crc_errors = vals[4];
2317 ai->stats.rx_frame_errors = vals[2];
2318 ai->stats.rx_fifo_errors = vals[0];
2319 }
2320
2321 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2322 {
2323 struct airo_info *local = dev->priv;
2324
2325 if (!test_bit(JOB_STATS, &local->jobs)) {
2326 /* Get stats out of the card if available */
2327 if (down_trylock(&local->sem) != 0) {
2328 set_bit(JOB_STATS, &local->jobs);
2329 wake_up_interruptible(&local->thr_wait);
2330 } else
2331 airo_read_stats(local);
2332 }
2333
2334 return &local->stats;
2335 }
2336
2337 static void airo_set_promisc(struct airo_info *ai) {
2338 Cmd cmd;
2339 Resp rsp;
2340
2341 memset(&cmd, 0, sizeof(cmd));
2342 cmd.cmd=CMD_SETMODE;
2343 clear_bit(JOB_PROMISC, &ai->jobs);
2344 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2345 issuecommand(ai, &cmd, &rsp);
2346 up(&ai->sem);
2347 }
2348
2349 static void airo_set_multicast_list(struct net_device *dev) {
2350 struct airo_info *ai = dev->priv;
2351
2352 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2353 change_bit(FLAG_PROMISC, &ai->flags);
2354 if (down_trylock(&ai->sem) != 0) {
2355 set_bit(JOB_PROMISC, &ai->jobs);
2356 wake_up_interruptible(&ai->thr_wait);
2357 } else
2358 airo_set_promisc(ai);
2359 }
2360
2361 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2362 /* Turn on multicast. (Should be already setup...) */
2363 }
2364 }
2365
2366 static int airo_set_mac_address(struct net_device *dev, void *p)
2367 {
2368 struct airo_info *ai = dev->priv;
2369 struct sockaddr *addr = p;
2370 Resp rsp;
2371
2372 readConfigRid(ai, 1);
2373 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2374 set_bit (FLAG_COMMIT, &ai->flags);
2375 disable_MAC(ai, 1);
2376 writeConfigRid (ai, 1);
2377 enable_MAC(ai, &rsp, 1);
2378 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2379 if (ai->wifidev)
2380 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2381 return 0;
2382 }
2383
2384 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2385 {
2386 if ((new_mtu < 68) || (new_mtu > 2400))
2387 return -EINVAL;
2388 dev->mtu = new_mtu;
2389 return 0;
2390 }
2391
2392 static LIST_HEAD(airo_devices);
2393
2394 static void add_airo_dev(struct airo_info *ai)
2395 {
2396 /* Upper layers already keep track of PCI devices,
2397 * so we only need to remember our non-PCI cards. */
2398 if (!ai->pci)
2399 list_add_tail(&ai->dev_list, &airo_devices);
2400 }
2401
2402 static void del_airo_dev(struct airo_info *ai)
2403 {
2404 if (!ai->pci)
2405 list_del(&ai->dev_list);
2406 }
2407
2408 static int airo_close(struct net_device *dev) {
2409 struct airo_info *ai = dev->priv;
2410
2411 netif_stop_queue(dev);
2412
2413 if (ai->wifidev != dev) {
2414 #ifdef POWER_ON_DOWN
2415 /* Shut power to the card. The idea is that the user can save
2416 * power when he doesn't need the card with "ifconfig down".
2417 * That's the method that is most friendly towards the network
2418 * stack (i.e. the network stack won't try to broadcast
2419 * anything on the interface and routes are gone. Jean II */
2420 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2421 disable_MAC(ai, 1);
2422 #endif
2423 disable_interrupts( ai );
2424
2425 free_irq(dev->irq, dev);
2426
2427 set_bit(JOB_DIE, &ai->jobs);
2428 kthread_stop(ai->airo_thread_task);
2429 }
2430 return 0;
2431 }
2432
2433 void stop_airo_card( struct net_device *dev, int freeres )
2434 {
2435 struct airo_info *ai = dev->priv;
2436
2437 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2438 disable_MAC(ai, 1);
2439 disable_interrupts(ai);
2440 takedown_proc_entry( dev, ai );
2441 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2442 unregister_netdev( dev );
2443 if (ai->wifidev) {
2444 unregister_netdev(ai->wifidev);
2445 free_netdev(ai->wifidev);
2446 ai->wifidev = NULL;
2447 }
2448 clear_bit(FLAG_REGISTERED, &ai->flags);
2449 }
2450 /*
2451 * Clean out tx queue
2452 */
2453 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2454 struct sk_buff *skb = NULL;
2455 for (;(skb = skb_dequeue(&ai->txq));)
2456 dev_kfree_skb(skb);
2457 }
2458
2459 airo_networks_free (ai);
2460
2461 kfree(ai->flash);
2462 kfree(ai->rssi);
2463 kfree(ai->APList);
2464 kfree(ai->SSID);
2465 if (freeres) {
2466 /* PCMCIA frees this stuff, so only for PCI and ISA */
2467 release_region( dev->base_addr, 64 );
2468 if (test_bit(FLAG_MPI, &ai->flags)) {
2469 if (ai->pci)
2470 mpi_unmap_card(ai->pci);
2471 if (ai->pcimem)
2472 iounmap(ai->pcimem);
2473 if (ai->pciaux)
2474 iounmap(ai->pciaux);
2475 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2476 ai->shared, ai->shared_dma);
2477 }
2478 }
2479 crypto_free_cipher(ai->tfm);
2480 del_airo_dev(ai);
2481 free_netdev( dev );
2482 }
2483
2484 EXPORT_SYMBOL(stop_airo_card);
2485
2486 static int wll_header_parse(struct sk_buff *skb, unsigned char *haddr)
2487 {
2488 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2489 return ETH_ALEN;
2490 }
2491
2492 static void mpi_unmap_card(struct pci_dev *pci)
2493 {
2494 unsigned long mem_start = pci_resource_start(pci, 1);
2495 unsigned long mem_len = pci_resource_len(pci, 1);
2496 unsigned long aux_start = pci_resource_start(pci, 2);
2497 unsigned long aux_len = AUXMEMSIZE;
2498
2499 release_mem_region(aux_start, aux_len);
2500 release_mem_region(mem_start, mem_len);
2501 }
2502
2503 /*************************************************************
2504 * This routine assumes that descriptors have been setup .
2505 * Run at insmod time or after reset when the decriptors
2506 * have been initialized . Returns 0 if all is well nz
2507 * otherwise . Does not allocate memory but sets up card
2508 * using previously allocated descriptors.
2509 */
2510 static int mpi_init_descriptors (struct airo_info *ai)
2511 {
2512 Cmd cmd;
2513 Resp rsp;
2514 int i;
2515 int rc = SUCCESS;
2516
2517 /* Alloc card RX descriptors */
2518 netif_stop_queue(ai->dev);
2519
2520 memset(&rsp,0,sizeof(rsp));
2521 memset(&cmd,0,sizeof(cmd));
2522
2523 cmd.cmd = CMD_ALLOCATEAUX;
2524 cmd.parm0 = FID_RX;
2525 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2526 cmd.parm2 = MPI_MAX_FIDS;
2527 rc=issuecommand(ai, &cmd, &rsp);
2528 if (rc != SUCCESS) {
2529 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2530 return rc;
2531 }
2532
2533 for (i=0; i<MPI_MAX_FIDS; i++) {
2534 memcpy_toio(ai->rxfids[i].card_ram_off,
2535 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2536 }
2537
2538 /* Alloc card TX descriptors */
2539
2540 memset(&rsp,0,sizeof(rsp));
2541 memset(&cmd,0,sizeof(cmd));
2542
2543 cmd.cmd = CMD_ALLOCATEAUX;
2544 cmd.parm0 = FID_TX;
2545 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2546 cmd.parm2 = MPI_MAX_FIDS;
2547
2548 for (i=0; i<MPI_MAX_FIDS; i++) {
2549 ai->txfids[i].tx_desc.valid = 1;
2550 memcpy_toio(ai->txfids[i].card_ram_off,
2551 &ai->txfids[i].tx_desc, sizeof(TxFid));
2552 }
2553 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2554
2555 rc=issuecommand(ai, &cmd, &rsp);
2556 if (rc != SUCCESS) {
2557 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2558 return rc;
2559 }
2560
2561 /* Alloc card Rid descriptor */
2562 memset(&rsp,0,sizeof(rsp));
2563 memset(&cmd,0,sizeof(cmd));
2564
2565 cmd.cmd = CMD_ALLOCATEAUX;
2566 cmd.parm0 = RID_RW;
2567 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2568 cmd.parm2 = 1; /* Magic number... */
2569 rc=issuecommand(ai, &cmd, &rsp);
2570 if (rc != SUCCESS) {
2571 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2572 return rc;
2573 }
2574
2575 memcpy_toio(ai->config_desc.card_ram_off,
2576 &ai->config_desc.rid_desc, sizeof(Rid));
2577
2578 return rc;
2579 }
2580
2581 /*
2582 * We are setting up three things here:
2583 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2584 * 2) Map PCI memory for issueing commands.
2585 * 3) Allocate memory (shared) to send and receive ethernet frames.
2586 */
2587 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2588 {
2589 unsigned long mem_start, mem_len, aux_start, aux_len;
2590 int rc = -1;
2591 int i;
2592 dma_addr_t busaddroff;
2593 unsigned char *vpackoff;
2594 unsigned char __iomem *pciaddroff;
2595
2596 mem_start = pci_resource_start(pci, 1);
2597 mem_len = pci_resource_len(pci, 1);
2598 aux_start = pci_resource_start(pci, 2);
2599 aux_len = AUXMEMSIZE;
2600
2601 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2602 airo_print_err("", "Couldn't get region %x[%x]",
2603 (int)mem_start, (int)mem_len);
2604 goto out;
2605 }
2606 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2607 airo_print_err("", "Couldn't get region %x[%x]",
2608 (int)aux_start, (int)aux_len);
2609 goto free_region1;
2610 }
2611
2612 ai->pcimem = ioremap(mem_start, mem_len);
2613 if (!ai->pcimem) {
2614 airo_print_err("", "Couldn't map region %x[%x]",
2615 (int)mem_start, (int)mem_len);
2616 goto free_region2;
2617 }
2618 ai->pciaux = ioremap(aux_start, aux_len);
2619 if (!ai->pciaux) {
2620 airo_print_err("", "Couldn't map region %x[%x]",
2621 (int)aux_start, (int)aux_len);
2622 goto free_memmap;
2623 }
2624
2625 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2626 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2627 if (!ai->shared) {
2628 airo_print_err("", "Couldn't alloc_consistent %d",
2629 PCI_SHARED_LEN);
2630 goto free_auxmap;
2631 }
2632
2633 /*
2634 * Setup descriptor RX, TX, CONFIG
2635 */
2636 busaddroff = ai->shared_dma;
2637 pciaddroff = ai->pciaux + AUX_OFFSET;
2638 vpackoff = ai->shared;
2639
2640 /* RX descriptor setup */
2641 for(i = 0; i < MPI_MAX_FIDS; i++) {
2642 ai->rxfids[i].pending = 0;
2643 ai->rxfids[i].card_ram_off = pciaddroff;
2644 ai->rxfids[i].virtual_host_addr = vpackoff;
2645 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2646 ai->rxfids[i].rx_desc.valid = 1;
2647 ai->rxfids[i].rx_desc.len = PKTSIZE;
2648 ai->rxfids[i].rx_desc.rdy = 0;
2649
2650 pciaddroff += sizeof(RxFid);
2651 busaddroff += PKTSIZE;
2652 vpackoff += PKTSIZE;
2653 }
2654
2655 /* TX descriptor setup */
2656 for(i = 0; i < MPI_MAX_FIDS; i++) {
2657 ai->txfids[i].card_ram_off = pciaddroff;
2658 ai->txfids[i].virtual_host_addr = vpackoff;
2659 ai->txfids[i].tx_desc.valid = 1;
2660 ai->txfids[i].tx_desc.host_addr = busaddroff;
2661 memcpy(ai->txfids[i].virtual_host_addr,
2662 &wifictlhdr8023, sizeof(wifictlhdr8023));
2663
2664 pciaddroff += sizeof(TxFid);
2665 busaddroff += PKTSIZE;
2666 vpackoff += PKTSIZE;
2667 }
2668 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2669
2670 /* Rid descriptor setup */
2671 ai->config_desc.card_ram_off = pciaddroff;
2672 ai->config_desc.virtual_host_addr = vpackoff;
2673 ai->config_desc.rid_desc.host_addr = busaddroff;
2674 ai->ridbus = busaddroff;
2675 ai->config_desc.rid_desc.rid = 0;
2676 ai->config_desc.rid_desc.len = RIDSIZE;
2677 ai->config_desc.rid_desc.valid = 1;
2678 pciaddroff += sizeof(Rid);
2679 busaddroff += RIDSIZE;
2680 vpackoff += RIDSIZE;
2681
2682 /* Tell card about descriptors */
2683 if (mpi_init_descriptors (ai) != SUCCESS)
2684 goto free_shared;
2685
2686 return 0;
2687 free_shared:
2688 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2689 free_auxmap:
2690 iounmap(ai->pciaux);
2691 free_memmap:
2692 iounmap(ai->pcimem);
2693 free_region2:
2694 release_mem_region(aux_start, aux_len);
2695 free_region1:
2696 release_mem_region(mem_start, mem_len);
2697 out:
2698 return rc;
2699 }
2700
2701 static void wifi_setup(struct net_device *dev)
2702 {
2703 dev->hard_header = NULL;
2704 dev->rebuild_header = NULL;
2705 dev->hard_header_cache = NULL;
2706 dev->header_cache_update= NULL;
2707
2708 dev->hard_header_parse = wll_header_parse;
2709 dev->hard_start_xmit = &airo_start_xmit11;
2710 dev->get_stats = &airo_get_stats;
2711 dev->set_mac_address = &airo_set_mac_address;
2712 dev->do_ioctl = &airo_ioctl;
2713 dev->wireless_handlers = &airo_handler_def;
2714 dev->change_mtu = &airo_change_mtu;
2715 dev->open = &airo_open;
2716 dev->stop = &airo_close;
2717
2718 dev->type = ARPHRD_IEEE80211;
2719 dev->hard_header_len = ETH_HLEN;
2720 dev->mtu = AIRO_DEF_MTU;
2721 dev->addr_len = ETH_ALEN;
2722 dev->tx_queue_len = 100;
2723
2724 memset(dev->broadcast,0xFF, ETH_ALEN);
2725
2726 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2727 }
2728
2729 static struct net_device *init_wifidev(struct airo_info *ai,
2730 struct net_device *ethdev)
2731 {
2732 int err;
2733 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2734 if (!dev)
2735 return NULL;
2736 dev->priv = ethdev->priv;
2737 dev->irq = ethdev->irq;
2738 dev->base_addr = ethdev->base_addr;
2739 dev->wireless_data = ethdev->wireless_data;
2740 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2741 err = register_netdev(dev);
2742 if (err<0) {
2743 free_netdev(dev);
2744 return NULL;
2745 }
2746 return dev;
2747 }
2748
2749 static int reset_card( struct net_device *dev , int lock) {
2750 struct airo_info *ai = dev->priv;
2751
2752 if (lock && down_interruptible(&ai->sem))
2753 return -1;
2754 waitbusy (ai);
2755 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2756 msleep(200);
2757 waitbusy (ai);
2758 msleep(200);
2759 if (lock)
2760 up(&ai->sem);
2761 return 0;
2762 }
2763
2764 #define AIRO_MAX_NETWORK_COUNT 64
2765 static int airo_networks_allocate(struct airo_info *ai)
2766 {
2767 if (ai->networks)
2768 return 0;
2769
2770 ai->networks =
2771 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2772 GFP_KERNEL);
2773 if (!ai->networks) {
2774 airo_print_warn("", "Out of memory allocating beacons");
2775 return -ENOMEM;
2776 }
2777
2778 return 0;
2779 }
2780
2781 static void airo_networks_free(struct airo_info *ai)
2782 {
2783 kfree(ai->networks);
2784 ai->networks = NULL;
2785 }
2786
2787 static void airo_networks_initialize(struct airo_info *ai)
2788 {
2789 int i;
2790
2791 INIT_LIST_HEAD(&ai->network_free_list);
2792 INIT_LIST_HEAD(&ai->network_list);
2793 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2794 list_add_tail(&ai->networks[i].list,
2795 &ai->network_free_list);
2796 }
2797
2798 static int airo_test_wpa_capable(struct airo_info *ai)
2799 {
2800 int status;
2801 CapabilityRid cap_rid;
2802
2803 status = readCapabilityRid(ai, &cap_rid, 1);
2804 if (status != SUCCESS) return 0;
2805
2806 /* Only firmware versions 5.30.17 or better can do WPA */
2807 if ((cap_rid.softVer > 0x530)
2808 || ((cap_rid.softVer == 0x530) && (cap_rid.softSubVer >= 17))) {
2809 airo_print_info("", "WPA is supported.");
2810 return 1;
2811 }
2812
2813 /* No WPA support */
2814 airo_print_info("", "WPA unsupported (only firmware versions 5.30.17"
2815 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2816 return 0;
2817 }
2818
2819 static struct net_device *_init_airo_card( unsigned short irq, int port,
2820 int is_pcmcia, struct pci_dev *pci,
2821 struct device *dmdev )
2822 {
2823 struct net_device *dev;
2824 struct airo_info *ai;
2825 int i, rc;
2826
2827 /* Create the network device object. */
2828 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2829 if (!dev) {
2830 airo_print_err("", "Couldn't alloc_etherdev");
2831 return NULL;
2832 }
2833
2834 ai = dev->priv;
2835 ai->wifidev = NULL;
2836 ai->flags = 0;
2837 ai->jobs = 0;
2838 ai->dev = dev;
2839 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2840 airo_print_dbg("", "Found an MPI350 card");
2841 set_bit(FLAG_MPI, &ai->flags);
2842 }
2843 spin_lock_init(&ai->aux_lock);
2844 sema_init(&ai->sem, 1);
2845 ai->config.len = 0;
2846 ai->pci = pci;
2847 init_waitqueue_head (&ai->thr_wait);
2848 ai->tfm = NULL;
2849 add_airo_dev(ai);
2850
2851 if (airo_networks_allocate (ai))
2852 goto err_out_free;
2853 airo_networks_initialize (ai);
2854
2855 /* The Airo-specific entries in the device structure. */
2856 if (test_bit(FLAG_MPI,&ai->flags)) {
2857 skb_queue_head_init (&ai->txq);
2858 dev->hard_start_xmit = &mpi_start_xmit;
2859 } else
2860 dev->hard_start_xmit = &airo_start_xmit;
2861 dev->get_stats = &airo_get_stats;
2862 dev->set_multicast_list = &airo_set_multicast_list;
2863 dev->set_mac_address = &airo_set_mac_address;
2864 dev->do_ioctl = &airo_ioctl;
2865 dev->wireless_handlers = &airo_handler_def;
2866 ai->wireless_data.spy_data = &ai->spy_data;
2867 dev->wireless_data = &ai->wireless_data;
2868 dev->change_mtu = &airo_change_mtu;
2869 dev->open = &airo_open;
2870 dev->stop = &airo_close;
2871 dev->irq = irq;
2872 dev->base_addr = port;
2873
2874 SET_NETDEV_DEV(dev, dmdev);
2875 SET_MODULE_OWNER(dev);
2876
2877 reset_card (dev, 1);
2878 msleep(400);
2879
2880 if (!is_pcmcia) {
2881 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2882 rc = -EBUSY;
2883 airo_print_err(dev->name, "Couldn't request region");
2884 goto err_out_nets;
2885 }
2886 }
2887
2888 if (test_bit(FLAG_MPI,&ai->flags)) {
2889 if (mpi_map_card(ai, pci)) {
2890 airo_print_err("", "Could not map memory");
2891 goto err_out_res;
2892 }
2893 }
2894
2895 if (probe) {
2896 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
2897 airo_print_err(dev->name, "MAC could not be enabled" );
2898 rc = -EIO;
2899 goto err_out_map;
2900 }
2901 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2902 ai->bap_read = fast_bap_read;
2903 set_bit(FLAG_FLASHING, &ai->flags);
2904 }
2905
2906 /* Test for WPA support */
2907 if (airo_test_wpa_capable(ai)) {
2908 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2909 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2910 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2911 ai->bssListRidLen = sizeof(BSSListRid);
2912 } else {
2913 ai->bssListFirst = RID_BSSLISTFIRST;
2914 ai->bssListNext = RID_BSSLISTNEXT;
2915 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2916 }
2917
2918 strcpy(dev->name, "eth%d");
2919 rc = register_netdev(dev);
2920 if (rc) {
2921 airo_print_err(dev->name, "Couldn't register_netdev");
2922 goto err_out_map;
2923 }
2924 ai->wifidev = init_wifidev(ai, dev);
2925 if (!ai->wifidev)
2926 goto err_out_reg;
2927
2928 set_bit(FLAG_REGISTERED,&ai->flags);
2929 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
2930 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2931 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5] );
2932
2933 /* Allocate the transmit buffers */
2934 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2935 for( i = 0; i < MAX_FIDS; i++ )
2936 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2937
2938 if (setup_proc_entry(dev, dev->priv) < 0)
2939 goto err_out_wifi;
2940
2941 return dev;
2942
2943 err_out_wifi:
2944 unregister_netdev(ai->wifidev);
2945 free_netdev(ai->wifidev);
2946 err_out_reg:
2947 unregister_netdev(dev);
2948 err_out_map:
2949 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2950 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2951 iounmap(ai->pciaux);
2952 iounmap(ai->pcimem);
2953 mpi_unmap_card(ai->pci);
2954 }
2955 err_out_res:
2956 if (!is_pcmcia)
2957 release_region( dev->base_addr, 64 );
2958 err_out_nets:
2959 airo_networks_free(ai);
2960 del_airo_dev(ai);
2961 err_out_free:
2962 free_netdev(dev);
2963 return NULL;
2964 }
2965
2966 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2967 struct device *dmdev)
2968 {
2969 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2970 }
2971
2972 EXPORT_SYMBOL(init_airo_card);
2973
2974 static int waitbusy (struct airo_info *ai) {
2975 int delay = 0;
2976 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2977 udelay (10);
2978 if ((++delay % 20) == 0)
2979 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2980 }
2981 return delay < 10000;
2982 }
2983
2984 int reset_airo_card( struct net_device *dev )
2985 {
2986 int i;
2987 struct airo_info *ai = dev->priv;
2988
2989 if (reset_card (dev, 1))
2990 return -1;
2991
2992 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2993 airo_print_err(dev->name, "MAC could not be enabled");
2994 return -1;
2995 }
2996 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
2997 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2998 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
2999 /* Allocate the transmit buffers if needed */
3000 if (!test_bit(FLAG_MPI,&ai->flags))
3001 for( i = 0; i < MAX_FIDS; i++ )
3002 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
3003
3004 enable_interrupts( ai );
3005 netif_wake_queue(dev);
3006 return 0;
3007 }
3008
3009 EXPORT_SYMBOL(reset_airo_card);
3010
3011 static void airo_send_event(struct net_device *dev) {
3012 struct airo_info *ai = dev->priv;
3013 union iwreq_data wrqu;
3014 StatusRid status_rid;
3015
3016 clear_bit(JOB_EVENT, &ai->jobs);
3017 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
3018 up(&ai->sem);
3019 wrqu.data.length = 0;
3020 wrqu.data.flags = 0;
3021 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
3022 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3023
3024 /* Send event to user space */
3025 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
3026 }
3027
3028 static void airo_process_scan_results (struct airo_info *ai) {
3029 union iwreq_data wrqu;
3030 BSSListRid bss;
3031 int rc;
3032 BSSListElement * loop_net;
3033 BSSListElement * tmp_net;
3034
3035 /* Blow away current list of scan results */
3036 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3037 list_move_tail (&loop_net->list, &ai->network_free_list);
3038 /* Don't blow away ->list, just BSS data */
3039 memset (loop_net, 0, sizeof (loop_net->bss));
3040 }
3041
3042 /* Try to read the first entry of the scan result */
3043 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3044 if((rc) || (bss.index == 0xffff)) {
3045 /* No scan results */
3046 goto out;
3047 }
3048
3049 /* Read and parse all entries */
3050 tmp_net = NULL;
3051 while((!rc) && (bss.index != 0xffff)) {
3052 /* Grab a network off the free list */
3053 if (!list_empty(&ai->network_free_list)) {
3054 tmp_net = list_entry(ai->network_free_list.next,
3055 BSSListElement, list);
3056 list_del(ai->network_free_list.next);
3057 }
3058
3059 if (tmp_net != NULL) {
3060 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3061 list_add_tail(&tmp_net->list, &ai->network_list);
3062 tmp_net = NULL;
3063 }
3064
3065 /* Read next entry */
3066 rc = PC4500_readrid(ai, ai->bssListNext,
3067 &bss, ai->bssListRidLen, 0);
3068 }
3069
3070 out:
3071 ai->scan_timeout = 0;
3072 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3073 up(&ai->sem);
3074
3075 /* Send an empty event to user space.
3076 * We don't send the received data on
3077 * the event because it would require
3078 * us to do complex transcoding, and
3079 * we want to minimise the work done in
3080 * the irq handler. Use a request to
3081 * extract the data - Jean II */
3082 wrqu.data.length = 0;
3083 wrqu.data.flags = 0;
3084 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3085 }
3086
3087 static int airo_thread(void *data) {
3088 struct net_device *dev = data;
3089 struct airo_info *ai = dev->priv;
3090 int locked;
3091
3092 while(1) {
3093 /* make swsusp happy with our thread */
3094 try_to_freeze();
3095
3096 if (test_bit(JOB_DIE, &ai->jobs))
3097 break;
3098
3099 if (ai->jobs) {
3100 locked = down_interruptible(&ai->sem);
3101 } else {
3102 wait_queue_t wait;
3103
3104 init_waitqueue_entry(&wait, current);
3105 add_wait_queue(&ai->thr_wait, &wait);
3106 for (;;) {
3107 set_current_state(TASK_INTERRUPTIBLE);
3108 if (ai->jobs)
3109 break;
3110 if (ai->expires || ai->scan_timeout) {
3111 if (ai->scan_timeout &&
3112 time_after_eq(jiffies,ai->scan_timeout)){
3113 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3114 break;
3115 } else if (ai->expires &&
3116 time_after_eq(jiffies,ai->expires)){
3117 set_bit(JOB_AUTOWEP, &ai->jobs);
3118 break;
3119 }
3120 if (!kthread_should_stop() &&
3121 !freezing(current)) {
3122 unsigned long wake_at;
3123 if (!ai->expires || !ai->scan_timeout) {
3124 wake_at = max(ai->expires,
3125 ai->scan_timeout);
3126 } else {
3127 wake_at = min(ai->expires,
3128 ai->scan_timeout);
3129 }
3130 schedule_timeout(wake_at - jiffies);
3131 continue;
3132 }
3133 } else if (!kthread_should_stop() &&
3134 !freezing(current)) {
3135 schedule();
3136 continue;
3137 }
3138 break;
3139 }
3140 current->state = TASK_RUNNING;
3141 remove_wait_queue(&ai->thr_wait, &wait);
3142 locked = 1;
3143 }
3144
3145 if (locked)
3146 continue;
3147
3148 if (test_bit(JOB_DIE, &ai->jobs)) {
3149 up(&ai->sem);
3150 break;
3151 }
3152
3153 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3154 up(&ai->sem);
3155 continue;
3156 }
3157
3158 if (test_bit(JOB_XMIT, &ai->jobs))
3159 airo_end_xmit(dev);
3160 else if (test_bit(JOB_XMIT11, &ai->jobs))
3161 airo_end_xmit11(dev);
3162 else if (test_bit(JOB_STATS, &ai->jobs))
3163 airo_read_stats(ai);
3164 else if (test_bit(JOB_WSTATS, &ai->jobs))
3165 airo_read_wireless_stats(ai);
3166 else if (test_bit(JOB_PROMISC, &ai->jobs))
3167 airo_set_promisc(ai);
3168 else if (test_bit(JOB_MIC, &ai->jobs))
3169 micinit(ai);
3170 else if (test_bit(JOB_EVENT, &ai->jobs))
3171 airo_send_event(dev);
3172 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3173 timer_func(dev);
3174 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3175 airo_process_scan_results(ai);
3176 else /* Shouldn't get here, but we make sure to unlock */
3177 up(&ai->sem);
3178 }
3179
3180 return 0;
3181 }
3182
3183 static irqreturn_t airo_interrupt ( int irq, void* dev_id) {
3184 struct net_device *dev = (struct net_device *)dev_id;
3185 u16 status;
3186 u16 fid;
3187 struct airo_info *apriv = dev->priv;
3188 u16 savedInterrupts = 0;
3189 int handled = 0;
3190
3191 if (!netif_device_present(dev))
3192 return IRQ_NONE;
3193
3194 for (;;) {
3195 status = IN4500( apriv, EVSTAT );
3196 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3197
3198 handled = 1;
3199
3200 if ( status & EV_AWAKE ) {
3201 OUT4500( apriv, EVACK, EV_AWAKE );
3202 OUT4500( apriv, EVACK, EV_AWAKE );
3203 }
3204
3205 if (!savedInterrupts) {
3206 savedInterrupts = IN4500( apriv, EVINTEN );
3207 OUT4500( apriv, EVINTEN, 0 );
3208 }
3209
3210 if ( status & EV_MIC ) {
3211 OUT4500( apriv, EVACK, EV_MIC );
3212 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3213 set_bit(JOB_MIC, &apriv->jobs);
3214 wake_up_interruptible(&apriv->thr_wait);
3215 }
3216 }
3217 if ( status & EV_LINK ) {
3218 union iwreq_data wrqu;
3219 int scan_forceloss = 0;
3220 /* The link status has changed, if you want to put a
3221 monitor hook in, do it here. (Remember that
3222 interrupts are still disabled!)
3223 */
3224 u16 newStatus = IN4500(apriv, LINKSTAT);
3225 OUT4500( apriv, EVACK, EV_LINK);
3226 /* Here is what newStatus means: */
3227 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3228 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3229 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3230 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3231 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3232 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3233 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3234 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3235 code) */
3236 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3237 code) */
3238 #define ASSOCIATED 0x0400 /* Associated */
3239 #define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3240 #define RC_RESERVED 0 /* Reserved return code */
3241 #define RC_NOREASON 1 /* Unspecified reason */
3242 #define RC_AUTHINV 2 /* Previous authentication invalid */
3243 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3244 leaving */
3245 #define RC_NOACT 4 /* Disassociated due to inactivity */
3246 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3247 all currently associated stations */
3248 #define RC_BADCLASS2 6 /* Class 2 frame received from
3249 non-Authenticated station */
3250 #define RC_BADCLASS3 7 /* Class 3 frame received from
3251 non-Associated station */
3252 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3253 leaving BSS */
3254 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3255 Authenticated with the responding station */
3256 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3257 scan_forceloss = 1;
3258 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
3259 if (auto_wep)
3260 apriv->expires = 0;
3261 if (apriv->list_bss_task)
3262 wake_up_process(apriv->list_bss_task);
3263 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3264 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
3265
3266 if (down_trylock(&apriv->sem) != 0) {
3267 set_bit(JOB_EVENT, &apriv->jobs);
3268 wake_up_interruptible(&apriv->thr_wait);
3269 } else
3270 airo_send_event(dev);
3271 } else if (!scan_forceloss) {
3272 if (auto_wep && !apriv->expires) {
3273 apriv->expires = RUN_AT(3*HZ);
3274 wake_up_interruptible(&apriv->thr_wait);
3275 }
3276
3277 /* Send event to user space */
3278 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3279 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3280 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3281 }
3282 }
3283
3284 /* Check to see if there is something to receive */
3285 if ( status & EV_RX ) {
3286 struct sk_buff *skb = NULL;
3287 u16 fc, len, hdrlen = 0;
3288 #pragma pack(1)
3289 struct {
3290 u16 status, len;
3291 u8 rssi[2];
3292 u8 rate;
3293 u8 freq;
3294 u16 tmp[4];
3295 } hdr;
3296 #pragma pack()
3297 u16 gap;
3298 u16 tmpbuf[4];
3299 u16 *buffer;
3300
3301 if (test_bit(FLAG_MPI,&apriv->flags)) {
3302 if (test_bit(FLAG_802_11, &apriv->flags))
3303 mpi_receive_802_11(apriv);
3304 else
3305 mpi_receive_802_3(apriv);
3306 OUT4500(apriv, EVACK, EV_RX);
3307 goto exitrx;
3308 }
3309
3310 fid = IN4500( apriv, RXFID );
3311
3312 /* Get the packet length */
3313 if (test_bit(FLAG_802_11, &apriv->flags)) {
3314 bap_setup (apriv, fid, 4, BAP0);
3315 bap_read (apriv, (u16*)&hdr, sizeof(hdr), BAP0);
3316 /* Bad CRC. Ignore packet */
3317 if (le16_to_cpu(hdr.status) & 2)
3318 hdr.len = 0;
3319 if (apriv->wifidev == NULL)
3320 hdr.len = 0;
3321 } else {
3322 bap_setup (apriv, fid, 0x36, BAP0);
3323 bap_read (apriv, (u16*)&hdr.len, 2, BAP0);
3324 }
3325 len = le16_to_cpu(hdr.len);
3326
3327 if (len > AIRO_DEF_MTU) {
3328 airo_print_err(apriv->dev->name, "Bad size %d", len);
3329 goto badrx;
3330 }
3331 if (len == 0)
3332 goto badrx;
3333
3334 if (test_bit(FLAG_802_11, &apriv->flags)) {
3335 bap_read (apriv, (u16*)&fc, sizeof(fc), BAP0);
3336 fc = le16_to_cpu(fc);
3337 switch (fc & 0xc) {
3338 case 4:
3339 if ((fc & 0xe0) == 0xc0)
3340 hdrlen = 10;
3341 else
3342 hdrlen = 16;
3343 break;
3344 case 8:
3345 if ((fc&0x300)==0x300){
3346 hdrlen = 30;
3347 break;
3348 }
3349 default:
3350 hdrlen = 24;
3351 }
3352 } else
3353 hdrlen = ETH_ALEN * 2;
3354
3355 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3356 if ( !skb ) {
3357 apriv->stats.rx_dropped++;
3358 goto badrx;
3359 }
3360 skb_reserve(skb, 2); /* This way the IP header is aligned */
3361 buffer = (u16*)skb_put (skb, len + hdrlen);
3362 if (test_bit(FLAG_802_11, &apriv->flags)) {
3363 buffer[0] = fc;
3364 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3365 if (hdrlen == 24)
3366 bap_read (apriv, tmpbuf, 6, BAP0);
3367
3368 bap_read (apriv, &gap, sizeof(gap), BAP0);
3369 gap = le16_to_cpu(gap);
3370 if (gap) {
3371 if (gap <= 8) {
3372 bap_read (apriv, tmpbuf, gap, BAP0);
3373 } else {
3374 airo_print_err(apriv->dev->name, "gaplen too "
3375 "big. Problems will follow...");
3376 }
3377 }
3378 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3379 } else {
3380 MICBuffer micbuf;
3381 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
3382 if (apriv->micstats.enabled) {
3383 bap_read (apriv,(u16*)&micbuf,sizeof(micbuf),BAP0);
3384 if (ntohs(micbuf.typelen) > 0x05DC)
3385 bap_setup (apriv, fid, 0x44, BAP0);
3386 else {
3387 if (len <= sizeof(micbuf))
3388 goto badmic;
3389
3390 len -= sizeof(micbuf);
3391 skb_trim (skb, len + hdrlen);
3392 }
3393 }
3394 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
3395 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3396 badmic:
3397 dev_kfree_skb_irq (skb);
3398 badrx:
3399 OUT4500( apriv, EVACK, EV_RX);
3400 goto exitrx;
3401 }
3402 }
3403 #ifdef WIRELESS_SPY
3404 if (apriv->spy_data.spy_number > 0) {
3405 char *sa;
3406 struct iw_quality wstats;
3407 /* Prepare spy data : addr + qual */
3408 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3409 sa = (char*)buffer + 6;
3410 bap_setup (apriv, fid, 8, BAP0);
3411 bap_read (apriv, (u16*)hdr.rssi, 2, BAP0);
3412 } else
3413 sa = (char*)buffer + 10;
3414 wstats.qual = hdr.rssi[0];
3415 if (apriv->rssi)
3416 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3417 else
3418 wstats.level = (hdr.rssi[1] + 321) / 2;
3419 wstats.noise = apriv->wstats.qual.noise;
3420 wstats.updated = IW_QUAL_LEVEL_UPDATED
3421 | IW_QUAL_QUAL_UPDATED
3422 | IW_QUAL_DBM;
3423 /* Update spy records */
3424 wireless_spy_update(dev, sa, &wstats);
3425 }
3426 #endif /* WIRELESS_SPY */
3427 OUT4500( apriv, EVACK, EV_RX);
3428
3429 if (test_bit(FLAG_802_11, &apriv->flags)) {
3430 skb_reset_mac_header(skb);
3431 skb->pkt_type = PACKET_OTHERHOST;
3432 skb->dev = apriv->wifidev;
3433 skb->protocol = htons(ETH_P_802_2);
3434 } else
3435 skb->protocol = eth_type_trans(skb,dev);
3436 skb->dev->last_rx = jiffies;
3437 skb->ip_summed = CHECKSUM_NONE;
3438
3439 netif_rx( skb );
3440 }
3441 exitrx:
3442
3443 /* Check to see if a packet has been transmitted */
3444 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3445 int i;
3446 int len = 0;
3447 int index = -1;
3448
3449 if (test_bit(FLAG_MPI,&apriv->flags)) {
3450 unsigned long flags;
3451
3452 if (status & EV_TXEXC)
3453 get_tx_error(apriv, -1);
3454 spin_lock_irqsave(&apriv->aux_lock, flags);
3455 if (!skb_queue_empty(&apriv->txq)) {
3456 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3457 mpi_send_packet (dev);
3458 } else {
3459 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3460 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3461 netif_wake_queue (dev);
3462 }
3463 OUT4500( apriv, EVACK,
3464 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3465 goto exittx;
3466 }
3467
3468 fid = IN4500(apriv, TXCOMPLFID);
3469
3470 for( i = 0; i < MAX_FIDS; i++ ) {
3471 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3472 len = apriv->fids[i] >> 16;
3473 index = i;
3474 }
3475 }
3476 if (index != -1) {
3477 if (status & EV_TXEXC)
3478 get_tx_error(apriv, index);
3479 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3480 /* Set up to be used again */
3481 apriv->fids[index] &= 0xffff;
3482 if (index < MAX_FIDS / 2) {
3483 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3484 netif_wake_queue(dev);
3485 } else {
3486 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3487 netif_wake_queue(apriv->wifidev);
3488 }
3489 } else {
3490 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3491 airo_print_err(apriv->dev->name, "Unallocated FID was "
3492 "used to xmit" );
3493 }
3494 }
3495 exittx:
3496 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
3497 airo_print_warn(apriv->dev->name, "Got weird status %x",
3498 status & ~STATUS_INTS & ~IGNORE_INTS );
3499 }
3500
3501 if (savedInterrupts)
3502 OUT4500( apriv, EVINTEN, savedInterrupts );
3503
3504 /* done.. */
3505 return IRQ_RETVAL(handled);
3506 }
3507
3508 /*
3509 * Routines to talk to the card
3510 */
3511
3512 /*
3513 * This was originally written for the 4500, hence the name
3514 * NOTE: If use with 8bit mode and SMP bad things will happen!
3515 * Why would some one do 8 bit IO in an SMP machine?!?
3516 */
3517 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3518 if (test_bit(FLAG_MPI,&ai->flags))
3519 reg <<= 1;
3520 if ( !do8bitIO )
3521 outw( val, ai->dev->base_addr + reg );
3522 else {
3523 outb( val & 0xff, ai->dev->base_addr + reg );
3524 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3525 }
3526 }
3527
3528 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3529 unsigned short rc;
3530
3531 if (test_bit(FLAG_MPI,&ai->flags))
3532 reg <<= 1;
3533 if ( !do8bitIO )
3534 rc = inw( ai->dev->base_addr + reg );
3535 else {
3536 rc = inb( ai->dev->base_addr + reg );
3537 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3538 }
3539 return rc;
3540 }
3541
3542 static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock ) {
3543 int rc;
3544 Cmd cmd;
3545
3546 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3547 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3548 * Note : we could try to use !netif_running(dev) in enable_MAC()
3549 * instead of this flag, but I don't trust it *within* the
3550 * open/close functions, and testing both flags together is
3551 * "cheaper" - Jean II */
3552 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3553
3554 if (lock && down_interruptible(&ai->sem))
3555 return -ERESTARTSYS;
3556
3557 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3558 memset(&cmd, 0, sizeof(cmd));
3559 cmd.cmd = MAC_ENABLE;
3560 rc = issuecommand(ai, &cmd, rsp);
3561 if (rc == SUCCESS)
3562 set_bit(FLAG_ENABLED, &ai->flags);
3563 } else
3564 rc = SUCCESS;
3565
3566 if (lock)
3567 up(&ai->sem);
3568
3569 if (rc)
3570 airo_print_err(ai->dev->name, "%s: Cannot enable MAC, err=%d",
3571 __FUNCTION__, rc);
3572 return rc;
3573 }
3574
3575 static void disable_MAC( struct airo_info *ai, int lock ) {
3576 Cmd cmd;
3577 Resp rsp;
3578
3579 if (lock && down_interruptible(&ai->sem))
3580 return;
3581
3582 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3583 memset(&cmd, 0, sizeof(cmd));
3584 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3585 issuecommand(ai, &cmd, &rsp);
3586 clear_bit(FLAG_ENABLED, &ai->flags);
3587 }
3588 if (lock)
3589 up(&ai->sem);
3590 }
3591
3592 static void enable_interrupts( struct airo_info *ai ) {
3593 /* Enable the interrupts */
3594 OUT4500( ai, EVINTEN, STATUS_INTS );
3595 }
3596
3597 static void disable_interrupts( struct airo_info *ai ) {
3598 OUT4500( ai, EVINTEN, 0 );
3599 }
3600
3601 static void mpi_receive_802_3(struct airo_info *ai)
3602 {
3603 RxFid rxd;
3604 int len = 0;
3605 struct sk_buff *skb;
3606 char *buffer;
3607 int off = 0;
3608 MICBuffer micbuf;
3609
3610 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3611 /* Make sure we got something */
3612 if (rxd.rdy && rxd.valid == 0) {
3613 len = rxd.len + 12;
3614 if (len < 12 || len > 2048)
3615 goto badrx;
3616
3617 skb = dev_alloc_skb(len);
3618 if (!skb) {
3619 ai->stats.rx_dropped++;
3620 goto badrx;
3621 }
3622 buffer = skb_put(skb,len);
3623 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3624 if (ai->micstats.enabled) {
3625 memcpy(&micbuf,
3626 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3627 sizeof(micbuf));
3628 if (ntohs(micbuf.typelen) <= 0x05DC) {
3629 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3630 goto badmic;
3631
3632 off = sizeof(micbuf);
3633 skb_trim (skb, len - off);
3634 }
3635 }
3636 memcpy(buffer + ETH_ALEN * 2,
3637 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3638 len - ETH_ALEN * 2 - off);
3639 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3640 badmic:
3641 dev_kfree_skb_irq (skb);
3642 goto badrx;
3643 }
3644 #ifdef WIRELESS_SPY
3645 if (ai->spy_data.spy_number > 0) {
3646 char *sa;
3647 struct iw_quality wstats;
3648 /* Prepare spy data : addr + qual */
3649 sa = buffer + ETH_ALEN;
3650 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3651 wstats.level = 0;
3652 wstats.updated = 0;
3653 /* Update spy records */
3654 wireless_spy_update(ai->dev, sa, &wstats);
3655 }
3656 #endif /* WIRELESS_SPY */
3657
3658 skb->ip_summed = CHECKSUM_NONE;
3659 skb->protocol = eth_type_trans(skb, ai->dev);
3660 skb->dev->last_rx = jiffies;
3661 netif_rx(skb);
3662 }
3663 badrx:
3664 if (rxd.valid == 0) {
3665 rxd.valid = 1;
3666 rxd.rdy = 0;
3667 rxd.len = PKTSIZE;
3668 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3669 }
3670 }
3671
3672 void mpi_receive_802_11 (struct airo_info *ai)
3673 {
3674 RxFid rxd;
3675 struct sk_buff *skb = NULL;
3676 u16 fc, len, hdrlen = 0;
3677 #pragma pack(1)
3678 struct {
3679 u16 status, len;
3680 u8 rssi[2];
3681 u8 rate;
3682 u8 freq;
3683 u16 tmp[4];
3684 } hdr;
3685 #pragma pack()
3686 u16 gap;
3687 u16 *buffer;
3688 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3689
3690 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3691 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3692 ptr += sizeof(hdr);
3693 /* Bad CRC. Ignore packet */
3694 if (le16_to_cpu(hdr.status) & 2)
3695 hdr.len = 0;
3696 if (ai->wifidev == NULL)
3697 hdr.len = 0;
3698 len = le16_to_cpu(hdr.len);
3699 if (len > AIRO_DEF_MTU) {
3700 airo_print_err(ai->dev->name, "Bad size %d", len);
3701 goto badrx;
3702 }
3703 if (len == 0)
3704 goto badrx;
3705
3706 memcpy ((char *)&fc, ptr, sizeof(fc));
3707 fc = le16_to_cpu(fc);
3708 switch (fc & 0xc) {
3709 case 4:
3710 if ((fc & 0xe0) == 0xc0)
3711 hdrlen = 10;
3712 else
3713 hdrlen = 16;
3714 break;
3715 case 8:
3716 if ((fc&0x300)==0x300){
3717 hdrlen = 30;
3718 break;
3719 }
3720 default:
3721 hdrlen = 24;
3722 }
3723
3724 skb = dev_alloc_skb( len + hdrlen + 2 );
3725 if ( !skb ) {
3726 ai->stats.rx_dropped++;
3727 goto badrx;
3728 }
3729 buffer = (u16*)skb_put (skb, len + hdrlen);
3730 memcpy ((char *)buffer, ptr, hdrlen);
3731 ptr += hdrlen;
3732 if (hdrlen == 24)
3733 ptr += 6;
3734 memcpy ((char *)&gap, ptr, sizeof(gap));
3735 ptr += sizeof(gap);
3736 gap = le16_to_cpu(gap);
3737 if (gap) {
3738 if (gap <= 8)
3739 ptr += gap;
3740 else
3741 airo_print_err(ai->dev->name,
3742 "gaplen too big. Problems will follow...");
3743 }
3744 memcpy ((char *)buffer + hdrlen, ptr, len);
3745 ptr += len;
3746 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3747 if (ai->spy_data.spy_number > 0) {
3748 char *sa;
3749 struct iw_quality wstats;
3750 /* Prepare spy data : addr + qual */
3751 sa = (char*)buffer + 10;
3752 wstats.qual = hdr.rssi[0];
3753 if (ai->rssi)
3754 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3755 else
3756 wstats.level = (hdr.rssi[1] + 321) / 2;
3757 wstats.noise = ai->wstats.qual.noise;
3758 wstats.updated = IW_QUAL_QUAL_UPDATED
3759 | IW_QUAL_LEVEL_UPDATED
3760 | IW_QUAL_DBM;
3761 /* Update spy records */
3762 wireless_spy_update(ai->dev, sa, &wstats);
3763 }
3764 #endif /* IW_WIRELESS_SPY */
3765 skb_reset_mac_header(skb);
3766 skb->pkt_type = PACKET_OTHERHOST;
3767 skb->dev = ai->wifidev;
3768 skb->protocol = htons(ETH_P_802_2);
3769 skb->dev->last_rx = jiffies;
3770 skb->ip_summed = CHECKSUM_NONE;
3771 netif_rx( skb );
3772 badrx:
3773 if (rxd.valid == 0) {
3774 rxd.valid = 1;
3775 rxd.rdy = 0;
3776 rxd.len = PKTSIZE;
3777 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3778 }
3779 }
3780
3781 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3782 {
3783 Cmd cmd;
3784 Resp rsp;
3785 int status;
3786 int i;
3787 SsidRid mySsid;
3788 u16 lastindex;
3789 WepKeyRid wkr;
3790 int rc;
3791
3792 memset( &mySsid, 0, sizeof( mySsid ) );
3793 kfree (ai->flash);
3794 ai->flash = NULL;
3795
3796 /* The NOP is the first step in getting the card going */
3797 cmd.cmd = NOP;
3798 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3799 if (lock && down_interruptible(&ai->sem))
3800 return ERROR;
3801 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3802 if (lock)
3803 up(&ai->sem);
3804 return ERROR;
3805 }
3806 disable_MAC( ai, 0);
3807
3808 // Let's figure out if we need to use the AUX port
3809 if (!test_bit(FLAG_MPI,&ai->flags)) {
3810 cmd.cmd = CMD_ENABLEAUX;
3811 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3812 if (lock)
3813 up(&ai->sem);
3814 airo_print_err(ai->dev->name, "Error checking for AUX port");
3815 return ERROR;
3816 }
3817 if (!aux_bap || rsp.status & 0xff00) {
3818 ai->bap_read = fast_bap_read;
3819 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3820 } else {
3821 ai->bap_read = aux_bap_read;
3822 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3823 }
3824 }
3825 if (lock)
3826 up(&ai->sem);
3827 if (ai->config.len == 0) {
3828 tdsRssiRid rssi_rid;
3829 CapabilityRid cap_rid;
3830
3831 kfree(ai->APList);
3832 ai->APList = NULL;
3833 kfree(ai->SSID);
3834 ai->SSID = NULL;
3835 // general configuration (read/modify/write)
3836 status = readConfigRid(ai, lock);
3837 if ( status != SUCCESS ) return ERROR;
3838
3839 status = readCapabilityRid(ai, &cap_rid, lock);
3840 if ( status != SUCCESS ) return ERROR;
3841
3842 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3843 if ( status == SUCCESS ) {
3844 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3845 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3846 }
3847 else {
3848 kfree(ai->rssi);
3849 ai->rssi = NULL;
3850 if (cap_rid.softCap & 8)
3851 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3852 else
3853 airo_print_warn(ai->dev->name, "unknown received signal "
3854 "level scale");
3855 }
3856 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3857 ai->config.authType = AUTH_OPEN;
3858 ai->config.modulation = MOD_CCK;
3859
3860 if ((cap_rid.len>=sizeof(cap_rid)) && (cap_rid.extSoftCap&1) &&
3861 (micsetup(ai) == SUCCESS)) {
3862 ai->config.opmode |= MODE_MIC;
3863 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3864 }
3865
3866 /* Save off the MAC */
3867 for( i = 0; i < ETH_ALEN; i++ ) {
3868 mac[i] = ai->config.macAddr[i];
3869 }
3870
3871 /* Check to see if there are any insmod configured
3872 rates to add */
3873 if ( rates[0] ) {
3874 int i = 0;
3875 memset(ai->config.rates,0,sizeof(ai->config.rates));
3876 for( i = 0; i < 8 && rates[i]; i++ ) {
3877 ai->config.rates[i] = rates[i];
3878 }
3879 }
3880 if ( basic_rate > 0 ) {
3881 int i;
3882 for( i = 0; i < 8; i++ ) {
3883 if ( ai->config.rates[i] == basic_rate ||
3884 !ai->config.rates ) {
3885 ai->config.rates[i] = basic_rate | 0x80;
3886 break;
3887 }
3888 }
3889 }
3890 set_bit (FLAG_COMMIT, &ai->flags);
3891 }
3892
3893 /* Setup the SSIDs if present */
3894 if ( ssids[0] ) {
3895 int i;
3896 for( i = 0; i < 3 && ssids[i]; i++ ) {
3897 mySsid.ssids[i].len = strlen(ssids[i]);
3898 if ( mySsid.ssids[i].len > 32 )
3899 mySsid.ssids[i].len = 32;
3900 memcpy(mySsid.ssids[i].ssid, ssids[i],
3901 mySsid.ssids[i].len);
3902 }
3903 mySsid.len = sizeof(mySsid);
3904 }
3905
3906 status = writeConfigRid(ai, lock);
3907 if ( status != SUCCESS ) return ERROR;
3908
3909 /* Set up the SSID list */
3910 if ( ssids[0] ) {
3911 status = writeSsidRid(ai, &mySsid, lock);
3912 if ( status != SUCCESS ) return ERROR;
3913 }
3914
3915 status = enable_MAC(ai, &rsp, lock);
3916 if ( status != SUCCESS || (rsp.status & 0xFF00) != 0) {
3917 airo_print_err(ai->dev->name, "Bad MAC enable reason = %x, rid = %x,"
3918 " offset = %d", rsp.rsp0, rsp.rsp1, rsp.rsp2 );
3919 return ERROR;
3920 }
3921
3922 /* Grab the initial wep key, we gotta save it for auto_wep */
3923 rc = readWepKeyRid(ai, &wkr, 1, lock);
3924 if (rc == SUCCESS) do {
3925 lastindex = wkr.kindex;
3926 if (wkr.kindex == 0xffff) {
3927 ai->defindex = wkr.mac[0];
3928 }
3929 rc = readWepKeyRid(ai, &wkr, 0, lock);
3930 } while(lastindex != wkr.kindex);
3931
3932 try_auto_wep(ai);
3933
3934 return SUCCESS;
3935 }
3936
3937 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3938 // Im really paranoid about letting it run forever!
3939 int max_tries = 600000;
3940
3941 if (IN4500(ai, EVSTAT) & EV_CMD)
3942 OUT4500(ai, EVACK, EV_CMD);
3943
3944 OUT4500(ai, PARAM0, pCmd->parm0);
3945 OUT4500(ai, PARAM1, pCmd->parm1);
3946 OUT4500(ai, PARAM2, pCmd->parm2);
3947 OUT4500(ai, COMMAND, pCmd->cmd);
3948
3949 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3950 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3951 // PC4500 didn't notice command, try again
3952 OUT4500(ai, COMMAND, pCmd->cmd);
3953 if (!in_atomic() && (max_tries & 255) == 0)
3954 schedule();
3955 }
3956
3957 if ( max_tries == -1 ) {
3958 airo_print_err(ai->dev->name,
3959 "Max tries exceeded when issueing command");
3960 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3961 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3962 return ERROR;
3963 }
3964
3965 // command completed
3966 pRsp->status = IN4500(ai, STATUS);
3967 pRsp->rsp0 = IN4500(ai, RESP0);
3968 pRsp->rsp1 = IN4500(ai, RESP1);
3969 pRsp->rsp2 = IN4500(ai, RESP2);
3970 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3971 airo_print_err(ai->dev->name,
3972 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3973 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3974 pRsp->rsp2);
3975
3976 // clear stuck command busy if necessary
3977 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3978 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3979 }
3980 // acknowledge processing the status/response
3981 OUT4500(ai, EVACK, EV_CMD);
3982
3983 return SUCCESS;
3984 }
3985
3986 /* Sets up the bap to start exchange data. whichbap should
3987 * be one of the BAP0 or BAP1 defines. Locks should be held before
3988 * calling! */
3989 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3990 {
3991 int timeout = 50;
3992 int max_tries = 3;
3993
3994 OUT4500(ai, SELECT0+whichbap, rid);
3995 OUT4500(ai, OFFSET0+whichbap, offset);
3996 while (1) {
3997 int status = IN4500(ai, OFFSET0+whichbap);
3998 if (status & BAP_BUSY) {
3999 /* This isn't really a timeout, but its kinda
4000 close */
4001 if (timeout--) {
4002 continue;
4003 }
4004 } else if ( status & BAP_ERR ) {
4005 /* invalid rid or offset */
4006 airo_print_err(ai->dev->name, "BAP error %x %d",
4007 status, whichbap );
4008 return ERROR;
4009 } else if (status & BAP_DONE) { // success
4010 return SUCCESS;
4011 }
4012 if ( !(max_tries--) ) {
4013 airo_print_err(ai->dev->name,
4014 "BAP setup error too many retries\n");
4015 return ERROR;
4016 }
4017 // -- PC4500 missed it, try again
4018 OUT4500(ai, SELECT0+whichbap, rid);
4019 OUT4500(ai, OFFSET0+whichbap, offset);
4020 timeout = 50;
4021 }
4022 }
4023
4024 /* should only be called by aux_bap_read. This aux function and the
4025 following use concepts not documented in the developers guide. I
4026 got them from a patch given to my by Aironet */
4027 static u16 aux_setup(struct airo_info *ai, u16 page,
4028 u16 offset, u16 *len)
4029 {
4030 u16 next;
4031
4032 OUT4500(ai, AUXPAGE, page);
4033 OUT4500(ai, AUXOFF, 0);
4034 next = IN4500(ai, AUXDATA);
4035 *len = IN4500(ai, AUXDATA)&0xff;
4036 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4037 return next;
4038 }
4039
4040 /* requires call to bap_setup() first */
4041 static int aux_bap_read(struct airo_info *ai, u16 *pu16Dst,
4042 int bytelen, int whichbap)
4043 {
4044 u16 len;
4045 u16 page;
4046 u16 offset;
4047 u16 next;
4048 int words;
4049 int i;
4050 unsigned long flags;
4051
4052 spin_lock_irqsave(&ai->aux_lock, flags);
4053 page = IN4500(ai, SWS0+whichbap);
4054 offset = IN4500(ai, SWS2+whichbap);
4055 next = aux_setup(ai, page, offset, &len);
4056 words = (bytelen+1)>>1;
4057
4058 for (i=0; i<words;) {
4059 int count;
4060 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4061 if ( !do8bitIO )
4062 insw( ai->dev->base_addr+DATA0+whichbap,
4063 pu16Dst+i,count );
4064 else
4065 insb( ai->dev->base_addr+DATA0+whichbap,
4066 pu16Dst+i, count << 1 );
4067 i += count;
4068 if (i<words) {
4069 next = aux_setup(ai, next, 4, &len);
4070 }
4071 }
4072 spin_unlock_irqrestore(&ai->aux_lock, flags);
4073 return SUCCESS;
4074 }
4075
4076
4077 /* requires call to bap_setup() first */
4078 static int fast_bap_read(struct airo_info *ai, u16 *pu16Dst,
4079 int bytelen, int whichbap)
4080 {
4081 bytelen = (bytelen + 1) & (~1); // round up to even value
4082 if ( !do8bitIO )
4083 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4084 else
4085 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4086 return SUCCESS;
4087 }
4088
4089 /* requires call to bap_setup() first */
4090 static int bap_write(struct airo_info *ai, const u16 *pu16Src,
4091 int bytelen, int whichbap)
4092 {
4093 bytelen = (bytelen + 1) & (~1); // round up to even value
4094 if ( !do8bitIO )
4095 outsw( ai->dev->base_addr+DATA0+whichbap,
4096 pu16Src, bytelen>>1 );
4097 else
4098 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4099 return SUCCESS;
4100 }
4101
4102 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4103 {
4104 Cmd cmd; /* for issuing commands */
4105 Resp rsp; /* response from commands */
4106 u16 status;
4107
4108 memset(&cmd, 0, sizeof(cmd));
4109 cmd.cmd = accmd;
4110 cmd.parm0 = rid;
4111 status = issuecommand(ai, &cmd, &rsp);
4112 if (status != 0) return status;
4113 if ( (rsp.status & 0x7F00) != 0) {
4114 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4115 }
4116 return 0;
4117 }
4118
4119 /* Note, that we are using BAP1 which is also used by transmit, so
4120 * we must get a lock. */
4121 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4122 {
4123 u16 status;
4124 int rc = SUCCESS;
4125
4126 if (lock) {
4127 if (down_interruptible(&ai->sem))
4128 return ERROR;
4129 }
4130 if (test_bit(FLAG_MPI,&ai->flags)) {
4131 Cmd cmd;
4132 Resp rsp;
4133
4134 memset(&cmd, 0, sizeof(cmd));
4135 memset(&rsp, 0, sizeof(rsp));
4136 ai->config_desc.rid_desc.valid = 1;
4137 ai->config_desc.rid_desc.len = RIDSIZE;
4138 ai->config_desc.rid_desc.rid = 0;
4139 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4140
4141 cmd.cmd = CMD_ACCESS;
4142 cmd.parm0 = rid;
4143
4144 memcpy_toio(ai->config_desc.card_ram_off,
4145 &ai->config_desc.rid_desc, sizeof(Rid));
4146
4147 rc = issuecommand(ai, &cmd, &rsp);
4148
4149 if (rsp.status & 0x7f00)
4150 rc = rsp.rsp0;
4151 if (!rc)
4152 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4153 goto done;
4154 } else {
4155 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4156 rc = status;
4157 goto done;
4158 }
4159 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4160 rc = ERROR;
4161 goto done;
4162 }
4163 // read the rid length field
4164 bap_read(ai, pBuf, 2, BAP1);
4165 // length for remaining part of rid
4166 len = min(len, (int)le16_to_cpu(*(u16*)pBuf)) - 2;
4167
4168 if ( len <= 2 ) {
4169 airo_print_err(ai->dev->name,
4170 "Rid %x has a length of %d which is too short",
4171 (int)rid, (int)len );
4172 rc = ERROR;
4173 goto done;
4174 }
4175 // read remainder of the rid
4176 rc = bap_read(ai, ((u16*)pBuf)+1, len, BAP1);
4177 }
4178 done:
4179 if (lock)
4180 up(&ai->sem);
4181 return rc;
4182 }
4183
4184 /* Note, that we are using BAP1 which is also used by transmit, so
4185 * make sure this isnt called when a transmit is happening */
4186 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4187 const void *pBuf, int len, int lock)
4188 {
4189 u16 status;
4190 int rc = SUCCESS;
4191
4192 *(u16*)pBuf = cpu_to_le16((u16)len);
4193
4194 if (lock) {
4195 if (down_interruptible(&ai->sem))
4196 return ERROR;
4197 }
4198 if (test_bit(FLAG_MPI,&ai->flags)) {
4199 Cmd cmd;
4200 Resp rsp;
4201
4202 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4203 airo_print_err(ai->dev->name,
4204 "%s: MAC should be disabled (rid=%04x)",
4205 __FUNCTION__, rid);
4206 memset(&cmd, 0, sizeof(cmd));
4207 memset(&rsp, 0, sizeof(rsp));
4208
4209 ai->config_desc.rid_desc.valid = 1;
4210 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4211 ai->config_desc.rid_desc.rid = 0;
4212
4213 cmd.cmd = CMD_WRITERID;
4214 cmd.parm0 = rid;
4215
4216 memcpy_toio(ai->config_desc.card_ram_off,
4217 &ai->config_desc.rid_desc, sizeof(Rid));
4218
4219 if (len < 4 || len > 2047) {
4220 airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
4221 rc = -1;
4222 } else {
4223 memcpy((char *)ai->config_desc.virtual_host_addr,
4224 pBuf, len);
4225
4226 rc = issuecommand(ai, &cmd, &rsp);
4227 if ((rc & 0xff00) != 0) {
4228 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4229 __FUNCTION__, rc);
4230 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4231 __FUNCTION__, cmd.cmd);
4232 }
4233
4234 if ((rsp.status & 0x7f00))
4235 rc = rsp.rsp0;
4236 }
4237 } else {
4238 // --- first access so that we can write the rid data
4239 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4240 rc = status;
4241 goto done;
4242 }
4243 // --- now write the rid data
4244 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4245 rc = ERROR;
4246 goto done;
4247 }
4248 bap_write(ai, pBuf, len, BAP1);
4249 // ---now commit the rid data
4250 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4251 }
4252 done:
4253 if (lock)
4254 up(&ai->sem);
4255 return rc;
4256 }
4257
4258 /* Allocates a FID to be used for transmitting packets. We only use
4259 one for now. */
4260 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4261 {
4262 unsigned int loop = 3000;
4263 Cmd cmd;
4264 Resp rsp;
4265 u16 txFid;
4266 u16 txControl;
4267
4268 cmd.cmd = CMD_ALLOCATETX;
4269 cmd.parm0 = lenPayload;
4270 if (down_interruptible(&ai->sem))
4271 return ERROR;
4272 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4273 txFid = ERROR;
4274 goto done;
4275 }
4276 if ( (rsp.status & 0xFF00) != 0) {
4277 txFid = ERROR;
4278 goto done;
4279 }
4280 /* wait for the allocate event/indication
4281 * It makes me kind of nervous that this can just sit here and spin,
4282 * but in practice it only loops like four times. */
4283 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4284 if (!loop) {
4285 txFid = ERROR;
4286 goto done;
4287 }
4288
4289 // get the allocated fid and acknowledge
4290 txFid = IN4500(ai, TXALLOCFID);
4291 OUT4500(ai, EVACK, EV_ALLOC);
4292
4293 /* The CARD is pretty cool since it converts the ethernet packet
4294 * into 802.11. Also note that we don't release the FID since we
4295 * will be using the same one over and over again. */
4296 /* We only have to setup the control once since we are not
4297 * releasing the fid. */
4298 if (raw)
4299 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4300 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4301 else
4302 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4303 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4304 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4305 txFid = ERROR;
4306 else
4307 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4308
4309 done:
4310 up(&ai->sem);
4311
4312 return txFid;
4313 }
4314
4315 /* In general BAP1 is dedicated to transmiting packets. However,
4316 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4317 Make sure the BAP1 spinlock is held when this is called. */
4318 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4319 {
4320 u16 payloadLen;
4321 Cmd cmd;
4322 Resp rsp;
4323 int miclen = 0;
4324 u16 txFid = len;
4325 MICBuffer pMic;
4326
4327 len >>= 16;
4328
4329 if (len <= ETH_ALEN * 2) {
4330 airo_print_warn(ai->dev->name, "Short packet %d", len);
4331 return ERROR;
4332 }
4333 len -= ETH_ALEN * 2;
4334
4335 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4336 (ntohs(((u16 *)pPacket)[6]) != 0x888E)) {
4337 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4338 return ERROR;
4339 miclen = sizeof(pMic);
4340 }
4341 // packet is destination[6], source[6], payload[len-12]
4342 // write the payload length and dst/src/payload
4343 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4344 /* The hardware addresses aren't counted as part of the payload, so
4345 * we have to subtract the 12 bytes for the addresses off */
4346 payloadLen = cpu_to_le16(len + miclen);
4347 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4348 bap_write(ai, (const u16*)pPacket, sizeof(etherHead), BAP1);
4349 if (miclen)
4350 bap_write(ai, (const u16*)&pMic, miclen, BAP1);
4351 bap_write(ai, (const u16*)(pPacket + sizeof(etherHead)), len, BAP1);
4352 // issue the transmit command
4353 memset( &cmd, 0, sizeof( cmd ) );
4354 cmd.cmd = CMD_TRANSMIT;
4355 cmd.parm0 = txFid;
4356 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4357 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4358 return SUCCESS;
4359 }
4360
4361 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4362 {
4363 u16 fc, payloadLen;
4364 Cmd cmd;
4365 Resp rsp;
4366 int hdrlen;
4367 struct {
4368 u8 addr4[ETH_ALEN];
4369 u16 gaplen;
4370 u8 gap[6];
4371 } gap;
4372 u16 txFid = len;
4373 len >>= 16;
4374 gap.gaplen = 6;
4375
4376 fc = le16_to_cpu(*(const u16*)pPacket);
4377 switch (fc & 0xc) {
4378 case 4:
4379 if ((fc & 0xe0) == 0xc0)
4380 hdrlen = 10;
4381 else
4382 hdrlen = 16;
4383 break;
4384 case 8:
4385 if ((fc&0x300)==0x300){
4386 hdrlen = 30;
4387 break;
4388 }
4389 default:
4390 hdrlen = 24;
4391 }
4392
4393 if (len < hdrlen) {
4394 airo_print_warn(ai->dev->name, "Short packet %d", len);
4395 return ERROR;
4396 }
4397
4398 /* packet is 802.11 header + payload
4399 * write the payload length and dst/src/payload */
4400 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4401 /* The 802.11 header aren't counted as part of the payload, so
4402 * we have to subtract the header bytes off */
4403 payloadLen = cpu_to_le16(len-hdrlen);
4404 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4405 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4406 bap_write(ai, (const u16*)pPacket, hdrlen, BAP1);
4407 bap_write(ai, hdrlen == 30 ?
4408 (const u16*)&gap.gaplen : (const u16*)&gap, 38 - hdrlen, BAP1);
4409
4410 bap_write(ai, (const u16*)(pPacket + hdrlen), len - hdrlen, BAP1);
4411 // issue the transmit command
4412 memset( &cmd, 0, sizeof( cmd ) );
4413 cmd.cmd = CMD_TRANSMIT;
4414 cmd.parm0 = txFid;
4415 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4416 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4417 return SUCCESS;
4418 }
4419
4420 /*
4421 * This is the proc_fs routines. It is a bit messier than I would
4422 * like! Feel free to clean it up!
4423 */
4424
4425 static ssize_t proc_read( struct file *file,
4426 char __user *buffer,
4427 size_t len,
4428 loff_t *offset);
4429
4430 static ssize_t proc_write( struct file *file,
4431 const char __user *buffer,
4432 size_t len,
4433 loff_t *offset );
4434 static int proc_close( struct inode *inode, struct file *file );
4435
4436 static int proc_stats_open( struct inode *inode, struct file *file );
4437 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4438 static int proc_status_open( struct inode *inode, struct file *file );
4439 static int proc_SSID_open( struct inode *inode, struct file *file );
4440 static int proc_APList_open( struct inode *inode, struct file *file );
4441 static int proc_BSSList_open( struct inode *inode, struct file *file );
4442 static int proc_config_open( struct inode *inode, struct file *file );
4443 static int proc_wepkey_open( struct inode *inode, struct file *file );
4444
4445 static const struct file_operations proc_statsdelta_ops = {
4446 .read = proc_read,
4447 .open = proc_statsdelta_open,
4448 .release = proc_close
4449 };
4450
4451 static const struct file_operations proc_stats_ops = {
4452 .read = proc_read,
4453 .open = proc_stats_open,
4454 .release = proc_close
4455 };
4456
4457 static const struct file_operations proc_status_ops = {
4458 .read = proc_read,
4459 .open = proc_status_open,
4460 .release = proc_close
4461 };
4462
4463 static const struct file_operations proc_SSID_ops = {
4464 .read = proc_read,
4465 .write = proc_write,
4466 .open = proc_SSID_open,
4467 .release = proc_close
4468 };
4469
4470 static const struct file_operations proc_BSSList_ops = {
4471 .read = proc_read,
4472 .write = proc_write,
4473 .open = proc_BSSList_open,
4474 .release = proc_close
4475 };
4476
4477 static const struct file_operations proc_APList_ops = {
4478 .read = proc_read,
4479 .write = proc_write,
4480 .open = proc_APList_open,
4481 .release = proc_close
4482 };
4483
4484 static const struct file_operations proc_config_ops = {
4485 .read = proc_read,
4486 .write = proc_write,
4487 .open = proc_config_open,
4488 .release = proc_close
4489 };
4490
4491 static const struct file_operations proc_wepkey_ops = {
4492 .read = proc_read,
4493 .write = proc_write,
4494 .open = proc_wepkey_open,
4495 .release = proc_close
4496 };
4497
4498 static struct proc_dir_entry *airo_entry;
4499
4500 struct proc_data {
4501 int release_buffer;
4502 int readlen;
4503 char *rbuffer;
4504 int writelen;
4505 int maxwritelen;
4506 char *wbuffer;
4507 void (*on_close) (struct inode *, struct file *);
4508 };
4509
4510 #ifndef SETPROC_OPS
4511 #define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4512 #endif
4513
4514 static int setup_proc_entry( struct net_device *dev,
4515 struct airo_info *apriv ) {
4516 struct proc_dir_entry *entry;
4517 /* First setup the device directory */
4518 strcpy(apriv->proc_name,dev->name);
4519 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4520 S_IFDIR|airo_perm,
4521 airo_entry);
4522 if (!apriv->proc_entry)
4523 goto fail;
4524 apriv->proc_entry->uid = proc_uid;
4525 apriv->proc_entry->gid = proc_gid;
4526 apriv->proc_entry->owner = THIS_MODULE;
4527
4528 /* Setup the StatsDelta */
4529 entry = create_proc_entry("StatsDelta",
4530 S_IFREG | (S_IRUGO&proc_perm),
4531 apriv->proc_entry);
4532 if (!entry)
4533 goto fail_stats_delta;
4534 entry->uid = proc_uid;
4535 entry->gid = proc_gid;
4536 entry->data = dev;
4537 entry->owner = THIS_MODULE;
4538 SETPROC_OPS(entry, proc_statsdelta_ops);
4539
4540 /* Setup the Stats */
4541 entry = create_proc_entry("Stats",
4542 S_IFREG | (S_IRUGO&proc_perm),
4543 apriv->proc_entry);
4544 if (!entry)
4545 goto fail_stats;
4546 entry->uid = proc_uid;
4547 entry->gid = proc_gid;
4548 entry->data = dev;
4549 entry->owner = THIS_MODULE;
4550 SETPROC_OPS(entry, proc_stats_ops);
4551
4552 /* Setup the Status */
4553 entry = create_proc_entry("Status",
4554 S_IFREG | (S_IRUGO&proc_perm),
4555 apriv->proc_entry);
4556 if (!entry)
4557 goto fail_status;
4558 entry->uid = proc_uid;
4559 entry->gid = proc_gid;
4560 entry->data = dev;
4561 entry->owner = THIS_MODULE;
4562 SETPROC_OPS(entry, proc_status_ops);
4563
4564 /* Setup the Config */
4565 entry = create_proc_entry("Config",
4566 S_IFREG | proc_perm,
4567 apriv->proc_entry);
4568 if (!entry)
4569 goto fail_config;
4570 entry->uid = proc_uid;
4571 entry->gid = proc_gid;
4572 entry->data = dev;
4573 entry->owner = THIS_MODULE;
4574 SETPROC_OPS(entry, proc_config_ops);
4575
4576 /* Setup the SSID */
4577 entry = create_proc_entry("SSID",
4578 S_IFREG | proc_perm,
4579 apriv->proc_entry);
4580 if (!entry)
4581 goto fail_ssid;
4582 entry->uid = proc_uid;
4583 entry->gid = proc_gid;
4584 entry->data = dev;
4585 entry->owner = THIS_MODULE;
4586 SETPROC_OPS(entry, proc_SSID_ops);
4587
4588 /* Setup the APList */
4589 entry = create_proc_entry("APList",
4590 S_IFREG | proc_perm,
4591 apriv->proc_entry);
4592 if (!entry)
4593 goto fail_aplist;
4594 entry->uid = proc_uid;
4595 entry->gid = proc_gid;
4596 entry->data = dev;
4597 entry->owner = THIS_MODULE;
4598 SETPROC_OPS(entry, proc_APList_ops);
4599
4600 /* Setup the BSSList */
4601 entry = create_proc_entry("BSSList",
4602 S_IFREG | proc_perm,
4603 apriv->proc_entry);
4604 if (!entry)
4605 goto fail_bsslist;
4606 entry->uid = proc_uid;
4607 entry->gid = proc_gid;
4608 entry->data = dev;
4609 entry->owner = THIS_MODULE;
4610 SETPROC_OPS(entry, proc_BSSList_ops);
4611
4612 /* Setup the WepKey */
4613 entry = create_proc_entry("WepKey",
4614 S_IFREG | proc_perm,
4615 apriv->proc_entry);
4616 if (!entry)
4617 goto fail_wepkey;
4618 entry->uid = proc_uid;
4619 entry->gid = proc_gid;
4620 entry->data = dev;
4621 entry->owner = THIS_MODULE;
4622 SETPROC_OPS(entry, proc_wepkey_ops);
4623
4624 return 0;
4625
4626 fail_wepkey:
4627 remove_proc_entry("BSSList", apriv->proc_entry);
4628 fail_bsslist:
4629 remove_proc_entry("APList", apriv->proc_entry);
4630 fail_aplist:
4631 remove_proc_entry("SSID", apriv->proc_entry);
4632 fail_ssid:
4633 remove_proc_entry("Config", apriv->proc_entry);
4634 fail_config:
4635 remove_proc_entry("Status", apriv->proc_entry);
4636 fail_status:
4637 remove_proc_entry("Stats", apriv->proc_entry);
4638 fail_stats:
4639 remove_proc_entry("StatsDelta", apriv->proc_entry);
4640 fail_stats_delta:
4641 remove_proc_entry(apriv->proc_name, airo_entry);
4642 fail:
4643 return -ENOMEM;
4644 }
4645
4646 static int takedown_proc_entry( struct net_device *dev,
4647 struct airo_info *apriv ) {
4648 if ( !apriv->proc_entry->namelen ) return 0;
4649 remove_proc_entry("Stats",apriv->proc_entry);
4650 remove_proc_entry("StatsDelta",apriv->proc_entry);
4651 remove_proc_entry("Status",apriv->proc_entry);
4652 remove_proc_entry("Config",apriv->proc_entry);
4653 remove_proc_entry("SSID",apriv->proc_entry);
4654 remove_proc_entry("APList",apriv->proc_entry);
4655 remove_proc_entry("BSSList",apriv->proc_entry);
4656 remove_proc_entry("WepKey",apriv->proc_entry);
4657 remove_proc_entry(apriv->proc_name,airo_entry);
4658 return 0;
4659 }
4660
4661 /*
4662 * What we want from the proc_fs is to be able to efficiently read
4663 * and write the configuration. To do this, we want to read the
4664 * configuration when the file is opened and write it when the file is
4665 * closed. So basically we allocate a read buffer at open and fill it
4666 * with data, and allocate a write buffer and read it at close.
4667 */
4668
4669 /*
4670 * The read routine is generic, it relies on the preallocated rbuffer
4671 * to supply the data.
4672 */
4673 static ssize_t proc_read( struct file *file,
4674 char __user *buffer,
4675 size_t len,
4676 loff_t *offset )
4677 {
4678 loff_t pos = *offset;
4679 struct proc_data *priv = (struct proc_data*)file->private_data;
4680
4681 if (!priv->rbuffer)
4682 return -EINVAL;
4683
4684 if (pos < 0)
4685 return -EINVAL;
4686 if (pos >= priv->readlen)
4687 return 0;
4688 if (len > priv->readlen - pos)
4689 len = priv->readlen - pos;
4690 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4691 return -EFAULT;
4692 *offset = pos + len;
4693 return len;
4694 }
4695
4696 /*
4697 * The write routine is generic, it fills in a preallocated rbuffer
4698 * to supply the data.
4699 */
4700 static ssize_t proc_write( struct file *file,
4701 const char __user *buffer,
4702 size_t len,
4703 loff_t *offset )
4704 {
4705 loff_t pos = *offset;
4706 struct proc_data *priv = (struct proc_data*)file->private_data;
4707
4708 if (!priv->wbuffer)
4709 return -EINVAL;
4710
4711 if (pos < 0)
4712 return -EINVAL;
4713 if (pos >= priv->maxwritelen)
4714 return 0;
4715 if (len > priv->maxwritelen - pos)
4716 len = priv->maxwritelen - pos;
4717 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4718 return -EFAULT;
4719 if ( pos + len > priv->writelen )
4720 priv->writelen = len + file->f_pos;
4721 *offset = pos + len;
4722 return len;
4723 }
4724
4725 static int proc_status_open( struct inode *inode, struct file *file ) {
4726 struct proc_data *data;
4727 struct proc_dir_entry *dp = PDE(inode);
4728 struct net_device *dev = dp->data;
4729 struct airo_info *apriv = dev->priv;
4730 CapabilityRid cap_rid;
4731 StatusRid status_rid;
4732 int i;
4733
4734 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4735 return -ENOMEM;
4736 data = (struct proc_data *)file->private_data;
4737 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4738 kfree (file->private_data);
4739 return -ENOMEM;
4740 }
4741
4742 readStatusRid(apriv, &status_rid, 1);
4743 readCapabilityRid(apriv, &cap_rid, 1);
4744
4745 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4746 status_rid.mode & 1 ? "CFG ": "",
4747 status_rid.mode & 2 ? "ACT ": "",
4748 status_rid.mode & 0x10 ? "SYN ": "",
4749 status_rid.mode & 0x20 ? "LNK ": "",
4750 status_rid.mode & 0x40 ? "LEAP ": "",
4751 status_rid.mode & 0x80 ? "PRIV ": "",
4752 status_rid.mode & 0x100 ? "KEY ": "",
4753 status_rid.mode & 0x200 ? "WEP ": "",
4754 status_rid.mode & 0x8000 ? "ERR ": "");
4755 sprintf( data->rbuffer+i, "Mode: %x\n"
4756 "Signal Strength: %d\n"
4757 "Signal Quality: %d\n"
4758 "SSID: %-.*s\n"
4759 "AP: %-.16s\n"
4760 "Freq: %d\n"
4761 "BitRate: %dmbs\n"
4762 "Driver Version: %s\n"
4763 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4764 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4765 "Software Version: %x\nSoftware Subversion: %x\n"
4766 "Boot block version: %x\n",
4767 (int)status_rid.mode,
4768 (int)status_rid.normalizedSignalStrength,
4769 (int)status_rid.signalQuality,
4770 (int)status_rid.SSIDlen,
4771 status_rid.SSID,
4772 status_rid.apName,
4773 (int)status_rid.channel,
4774 (int)status_rid.currentXmitRate/2,
4775 version,
4776 cap_rid.prodName,
4777 cap_rid.manName,
4778 cap_rid.prodVer,
4779 cap_rid.radioType,
4780 cap_rid.country,
4781 cap_rid.hardVer,
4782 (int)cap_rid.softVer,
4783 (int)cap_rid.softSubVer,
4784 (int)cap_rid.bootBlockVer );
4785 data->readlen = strlen( data->rbuffer );
4786 return 0;
4787 }
4788
4789 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4790 static int proc_statsdelta_open( struct inode *inode,
4791 struct file *file ) {
4792 if (file->f_mode&FMODE_WRITE) {
4793 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4794 }
4795 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4796 }
4797
4798 static int proc_stats_open( struct inode *inode, struct file *file ) {
4799 return proc_stats_rid_open(inode, file, RID_STATS);
4800 }
4801
4802 static int proc_stats_rid_open( struct inode *inode,
4803 struct file *file,
4804 u16 rid ) {
4805 struct proc_data *data;
4806 struct proc_dir_entry *dp = PDE(inode);
4807 struct net_device *dev = dp->data;
4808 struct airo_info *apriv = dev->priv;
4809 StatsRid stats;
4810 int i, j;
4811 u32 *vals = stats.vals;
4812
4813 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4814 return -ENOMEM;
4815 data = (struct proc_data *)file->private_data;
4816 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4817 kfree (file->private_data);
4818 return -ENOMEM;
4819 }
4820
4821 readStatsRid(apriv, &stats, rid, 1);
4822
4823 j = 0;
4824 for(i=0; statsLabels[i]!=(char *)-1 &&
4825 i*4<stats.len; i++){
4826 if (!statsLabels[i]) continue;
4827 if (j+strlen(statsLabels[i])+16>4096) {
4828 airo_print_warn(apriv->dev->name,
4829 "Potentially disasterous buffer overflow averted!");
4830 break;
4831 }
4832 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], vals[i]);
4833 }
4834 if (i*4>=stats.len){
4835 airo_print_warn(apriv->dev->name, "Got a short rid");
4836 }
4837 data->readlen = j;
4838 return 0;
4839 }
4840
4841 static int get_dec_u16( char *buffer, int *start, int limit ) {
4842 u16 value;
4843 int valid = 0;
4844 for( value = 0; buffer[*start] >= '0' &&
4845 buffer[*start] <= '9' &&
4846 *start < limit; (*start)++ ) {
4847 valid = 1;
4848 value *= 10;
4849 value += buffer[*start] - '0';
4850 }
4851 if ( !valid ) return -1;
4852 return value;
4853 }
4854
4855 static int airo_config_commit(struct net_device *dev,
4856 struct iw_request_info *info, void *zwrq,
4857 char *extra);
4858
4859 static void proc_config_on_close( struct inode *inode, struct file *file ) {
4860 struct proc_data *data = file->private_data;
4861 struct proc_dir_entry *dp = PDE(inode);
4862 struct net_device *dev = dp->data;
4863 struct airo_info *ai = dev->priv;
4864 char *line;
4865
4866 if ( !data->writelen ) return;
4867
4868 readConfigRid(ai, 1);
4869 set_bit (FLAG_COMMIT, &ai->flags);
4870
4871 line = data->wbuffer;
4872 while( line[0] ) {
4873 /*** Mode processing */
4874 if ( !strncmp( line, "Mode: ", 6 ) ) {
4875 line += 6;
4876 if ((ai->config.rmode & 0xff) >= RXMODE_RFMON)
4877 set_bit (FLAG_RESET, &ai->flags);
4878 ai->config.rmode &= 0xfe00;
4879 clear_bit (FLAG_802_11, &ai->flags);
4880 ai->config.opmode &= 0xFF00;
4881 ai->config.scanMode = SCANMODE_ACTIVE;
4882 if ( line[0] == 'a' ) {
4883 ai->config.opmode |= 0;
4884 } else {
4885 ai->config.opmode |= 1;
4886 if ( line[0] == 'r' ) {
4887 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4888 ai->config.scanMode = SCANMODE_PASSIVE;
4889 set_bit (FLAG_802_11, &ai->flags);
4890 } else if ( line[0] == 'y' ) {
4891 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4892 ai->config.scanMode = SCANMODE_PASSIVE;
4893 set_bit (FLAG_802_11, &ai->flags);
4894 } else if ( line[0] == 'l' )
4895 ai->config.rmode |= RXMODE_LANMON;
4896 }
4897 set_bit (FLAG_COMMIT, &ai->flags);
4898 }
4899
4900 /*** Radio status */
4901 else if (!strncmp(line,"Radio: ", 7)) {
4902 line += 7;
4903 if (!strncmp(line,"off",3)) {
4904 set_bit (FLAG_RADIO_OFF, &ai->flags);
4905 } else {
4906 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4907 }
4908 }
4909 /*** NodeName processing */
4910 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4911 int j;
4912
4913 line += 10;
4914 memset( ai->config.nodeName, 0, 16 );
4915 /* Do the name, assume a space between the mode and node name */
4916 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4917 ai->config.nodeName[j] = line[j];
4918 }
4919 set_bit (FLAG_COMMIT, &ai->flags);
4920 }
4921
4922 /*** PowerMode processing */
4923 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4924 line += 11;
4925 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4926 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4927 set_bit (FLAG_COMMIT, &ai->flags);
4928 } else if ( !strncmp( line, "PSP", 3 ) ) {
4929 ai->config.powerSaveMode = POWERSAVE_PSP;
4930 set_bit (FLAG_COMMIT, &ai->flags);
4931 } else {
4932 ai->config.powerSaveMode = POWERSAVE_CAM;
4933 set_bit (FLAG_COMMIT, &ai->flags);
4934 }
4935 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4936 int v, i = 0, k = 0; /* i is index into line,
4937 k is index to rates */
4938
4939 line += 11;
4940 while((v = get_dec_u16(line, &i, 3))!=-1) {
4941 ai->config.rates[k++] = (u8)v;
4942 line += i + 1;
4943 i = 0;
4944 }
4945 set_bit (FLAG_COMMIT, &ai->flags);
4946 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4947 int v, i = 0;
4948 line += 9;
4949 v = get_dec_u16(line, &i, i+3);
4950 if ( v != -1 ) {
4951 ai->config.channelSet = (u16)v;
4952 set_bit (FLAG_COMMIT, &ai->flags);
4953 }
4954 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4955 int v, i = 0;
4956 line += 11;
4957 v = get_dec_u16(line, &i, i+3);
4958 if ( v != -1 ) {
4959 ai->config.txPower = (u16)v;
4960 set_bit (FLAG_COMMIT, &ai->flags);
4961 }
4962 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4963 line += 5;
4964 switch( line[0] ) {
4965 case 's':
4966 ai->config.authType = (u16)AUTH_SHAREDKEY;
4967 break;
4968 case 'e':
4969 ai->config.authType = (u16)AUTH_ENCRYPT;
4970 break;
4971 default:
4972 ai->config.authType = (u16)AUTH_OPEN;
4973 break;
4974 }
4975 set_bit (FLAG_COMMIT, &ai->flags);
4976 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4977 int v, i = 0;
4978
4979 line += 16;
4980 v = get_dec_u16(line, &i, 3);
4981 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4982 ai->config.longRetryLimit = (u16)v;
4983 set_bit (FLAG_COMMIT, &ai->flags);
4984 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4985 int v, i = 0;
4986
4987 line += 17;
4988 v = get_dec_u16(line, &i, 3);
4989 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4990 ai->config.shortRetryLimit = (u16)v;
4991 set_bit (FLAG_COMMIT, &ai->flags);
4992 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4993 int v, i = 0;
4994
4995 line += 14;
4996 v = get_dec_u16(line, &i, 4);
4997 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4998 ai->config.rtsThres = (u16)v;
4999 set_bit (FLAG_COMMIT, &ai->flags);
5000 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
5001 int v, i = 0;
5002
5003 line += 16;
5004 v = get_dec_u16(line, &i, 5);
5005 v = (v<0) ? 0 : v;
5006 ai->config.txLifetime = (u16)v;
5007 set_bit (FLAG_COMMIT, &ai->flags);
5008 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
5009 int v, i = 0;
5010
5011 line += 16;
5012 v = get_dec_u16(line, &i, 5);
5013 v = (v<0) ? 0 : v;
5014 ai->config.rxLifetime = (u16)v;
5015 set_bit (FLAG_COMMIT, &ai->flags);
5016 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
5017 ai->config.txDiversity =
5018 (line[13]=='l') ? 1 :
5019 ((line[13]=='r')? 2: 3);
5020 set_bit (FLAG_COMMIT, &ai->flags);
5021 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
5022 ai->config.rxDiversity =
5023 (line[13]=='l') ? 1 :
5024 ((line[13]=='r')? 2: 3);
5025 set_bit (FLAG_COMMIT, &ai->flags);
5026 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
5027 int v, i = 0;
5028
5029 line += 15;
5030 v = get_dec_u16(line, &i, 4);
5031 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
5032 v = v & 0xfffe; /* Make sure its even */
5033 ai->config.fragThresh = (u16)v;
5034 set_bit (FLAG_COMMIT, &ai->flags);
5035 } else if (!strncmp(line, "Modulation: ", 12)) {
5036 line += 12;
5037 switch(*line) {
5038 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
5039 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
5040 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
5041 default: airo_print_warn(ai->dev->name, "Unknown modulation");
5042 }
5043 } else if (!strncmp(line, "Preamble: ", 10)) {
5044 line += 10;
5045 switch(*line) {
5046 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
5047 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5048 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
5049 default: airo_print_warn(ai->dev->name, "Unknown preamble");
5050 }
5051 } else {
5052 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
5053 }
5054 while( line[0] && line[0] != '\n' ) line++;
5055 if ( line[0] ) line++;
5056 }
5057 airo_config_commit(dev, NULL, NULL, NULL);
5058 }
5059
5060 static char *get_rmode(u16 mode) {
5061 switch(mode&0xff) {
5062 case RXMODE_RFMON: return "rfmon";
5063 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5064 case RXMODE_LANMON: return "lanmon";
5065 }
5066 return "ESS";
5067 }
5068
5069 static int proc_config_open( struct inode *inode, struct file *file ) {
5070 struct proc_data *data;
5071 struct proc_dir_entry *dp = PDE(inode);
5072 struct net_device *dev = dp->data;
5073 struct airo_info *ai = dev->priv;
5074 int i;
5075
5076 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5077 return -ENOMEM;
5078 data = (struct proc_data *)file->private_data;
5079 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5080 kfree (file->private_data);
5081 return -ENOMEM;
5082 }
5083 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5084 kfree (data->rbuffer);
5085 kfree (file->private_data);
5086 return -ENOMEM;
5087 }
5088 data->maxwritelen = 2048;
5089 data->on_close = proc_config_on_close;
5090
5091 readConfigRid(ai, 1);
5092
5093 i = sprintf( data->rbuffer,
5094 "Mode: %s\n"
5095 "Radio: %s\n"
5096 "NodeName: %-16s\n"
5097 "PowerMode: %s\n"
5098 "DataRates: %d %d %d %d %d %d %d %d\n"
5099 "Channel: %d\n"
5100 "XmitPower: %d\n",
5101 (ai->config.opmode & 0xFF) == 0 ? "adhoc" :
5102 (ai->config.opmode & 0xFF) == 1 ? get_rmode(ai->config.rmode):
5103 (ai->config.opmode & 0xFF) == 2 ? "AP" :
5104 (ai->config.opmode & 0xFF) == 3 ? "AP RPTR" : "Error",
5105 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5106 ai->config.nodeName,
5107 ai->config.powerSaveMode == 0 ? "CAM" :
5108 ai->config.powerSaveMode == 1 ? "PSP" :
5109 ai->config.powerSaveMode == 2 ? "PSPCAM" : "Error",
5110 (int)ai->config.rates[0],
5111 (int)ai->config.rates[1],
5112 (int)ai->config.rates[2],
5113 (int)ai->config.rates[3],
5114 (int)ai->config.rates[4],
5115 (int)ai->config.rates[5],
5116 (int)ai->config.rates[6],
5117 (int)ai->config.rates[7],
5118 (int)ai->config.channelSet,
5119 (int)ai->config.txPower
5120 );
5121 sprintf( data->rbuffer + i,
5122 "LongRetryLimit: %d\n"
5123 "ShortRetryLimit: %d\n"
5124 "RTSThreshold: %d\n"
5125 "TXMSDULifetime: %d\n"
5126 "RXMSDULifetime: %d\n"
5127 "TXDiversity: %s\n"
5128 "RXDiversity: %s\n"
5129 "FragThreshold: %d\n"
5130 "WEP: %s\n"
5131 "Modulation: %s\n"
5132 "Preamble: %s\n",
5133 (int)ai->config.longRetryLimit,
5134 (int)ai->config.shortRetryLimit,
5135 (int)ai->config.rtsThres,
5136 (int)ai->config.txLifetime,
5137 (int)ai->config.rxLifetime,
5138 ai->config.txDiversity == 1 ? "left" :
5139 ai->config.txDiversity == 2 ? "right" : "both",
5140 ai->config.rxDiversity == 1 ? "left" :
5141 ai->config.rxDiversity == 2 ? "right" : "both",
5142 (int)ai->config.fragThresh,
5143 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5144 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5145 ai->config.modulation == 0 ? "default" :
5146 ai->config.modulation == MOD_CCK ? "cck" :
5147 ai->config.modulation == MOD_MOK ? "mok" : "error",
5148 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5149 ai->config.preamble == PREAMBLE_LONG ? "long" :
5150 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5151 );
5152 data->readlen = strlen( data->rbuffer );
5153 return 0;
5154 }
5155
5156 static void proc_SSID_on_close( struct inode *inode, struct file *file ) {
5157 struct proc_data *data = (struct proc_data *)file->private_data;
5158 struct proc_dir_entry *dp = PDE(inode);
5159 struct net_device *dev = dp->data;
5160 struct airo_info *ai = dev->priv;
5161 SsidRid SSID_rid;
5162 Resp rsp;
5163 int i;
5164 int offset = 0;
5165
5166 if ( !data->writelen ) return;
5167
5168 memset( &SSID_rid, 0, sizeof( SSID_rid ) );
5169
5170 for( i = 0; i < 3; i++ ) {
5171 int j;
5172 for( j = 0; j+offset < data->writelen && j < 32 &&
5173 data->wbuffer[offset+j] != '\n'; j++ ) {
5174 SSID_rid.ssids[i].ssid[j] = data->wbuffer[offset+j];
5175 }
5176 if ( j == 0 ) break;
5177 SSID_rid.ssids[i].len = j;
5178 offset += j;
5179 while( data->wbuffer[offset] != '\n' &&
5180 offset < data->writelen ) offset++;
5181 offset++;
5182 }
5183 if (i)
5184 SSID_rid.len = sizeof(SSID_rid);
5185 disable_MAC(ai, 1);
5186 writeSsidRid(ai, &SSID_rid, 1);
5187 enable_MAC(ai, &rsp, 1);
5188 }
5189
5190 static inline u8 hexVal(char c) {
5191 if (c>='0' && c<='9') return c -= '0';
5192 if (c>='a' && c<='f') return c -= 'a'-10;
5193 if (c>='A' && c<='F') return c -= 'A'-10;
5194 return 0;
5195 }
5196
5197 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5198 struct proc_data *data = (struct proc_data *)file->private_data;
5199 struct proc_dir_entry *dp = PDE(inode);
5200 struct net_device *dev = dp->data;
5201 struct airo_info *ai = dev->priv;
5202 APListRid APList_rid;
5203 Resp rsp;
5204 int i;
5205
5206 if ( !data->writelen ) return;
5207
5208 memset( &APList_rid, 0, sizeof(APList_rid) );
5209 APList_rid.len = sizeof(APList_rid);
5210
5211 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5212 int j;
5213 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5214 switch(j%3) {
5215 case 0:
5216 APList_rid.ap[i][j/3]=
5217 hexVal(data->wbuffer[j+i*6*3])<<4;
5218 break;
5219 case 1:
5220 APList_rid.ap[i][j/3]|=
5221 hexVal(data->wbuffer[j+i*6*3]);
5222 break;
5223 }
5224 }
5225 }
5226 disable_MAC(ai, 1);
5227 writeAPListRid(ai, &APList_rid, 1);
5228 enable_MAC(ai, &rsp, 1);
5229 }
5230
5231 /* This function wraps PC4500_writerid with a MAC disable */
5232 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5233 int len, int dummy ) {
5234 int rc;
5235 Resp rsp;
5236
5237 disable_MAC(ai, 1);
5238 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5239 enable_MAC(ai, &rsp, 1);
5240 return rc;
5241 }
5242
5243 /* Returns the length of the key at the index. If index == 0xffff
5244 * the index of the transmit key is returned. If the key doesn't exist,
5245 * -1 will be returned.
5246 */
5247 static int get_wep_key(struct airo_info *ai, u16 index) {
5248 WepKeyRid wkr;
5249 int rc;
5250 u16 lastindex;
5251
5252 rc = readWepKeyRid(ai, &wkr, 1, 1);
5253 if (rc == SUCCESS) do {
5254 lastindex = wkr.kindex;
5255 if (wkr.kindex == index) {
5256 if (index == 0xffff) {
5257 return wkr.mac[0];
5258 }
5259 return wkr.klen;
5260 }
5261 readWepKeyRid(ai, &wkr, 0, 1);
5262 } while(lastindex != wkr.kindex);
5263 return -1;
5264 }
5265
5266 static int set_wep_key(struct airo_info *ai, u16 index,
5267 const char *key, u16 keylen, int perm, int lock ) {
5268 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5269 WepKeyRid wkr;
5270 Resp rsp;
5271
5272 memset(&wkr, 0, sizeof(wkr));
5273 if (keylen == 0) {
5274 // We are selecting which key to use
5275 wkr.len = sizeof(wkr);
5276 wkr.kindex = 0xffff;
5277 wkr.mac[0] = (char)index;
5278 if (perm) ai->defindex = (char)index;
5279 } else {
5280 // We are actually setting the key
5281 wkr.len = sizeof(wkr);
5282 wkr.kindex = index;
5283 wkr.klen = keylen;
5284 memcpy( wkr.key, key, keylen );
5285 memcpy( wkr.mac, macaddr, ETH_ALEN );
5286 }
5287
5288 if (perm) disable_MAC(ai, lock);
5289 writeWepKeyRid(ai, &wkr, perm, lock);
5290 if (perm) enable_MAC(ai, &rsp, lock);
5291 return 0;
5292 }
5293
5294 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5295 struct proc_data *data;
5296 struct proc_dir_entry *dp = PDE(inode);
5297 struct net_device *dev = dp->data;
5298 struct airo_info *ai = dev->priv;
5299 int i;
5300 char key[16];
5301 u16 index = 0;
5302 int j = 0;
5303
5304 memset(key, 0, sizeof(key));
5305
5306 data = (struct proc_data *)file->private_data;
5307 if ( !data->writelen ) return;
5308
5309 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5310 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5311 index = data->wbuffer[0] - '0';
5312 if (data->wbuffer[1] == '\n') {
5313 set_wep_key(ai, index, NULL, 0, 1, 1);
5314 return;
5315 }
5316 j = 2;
5317 } else {
5318 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5319 return;
5320 }
5321
5322 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5323 switch(i%3) {
5324 case 0:
5325 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5326 break;
5327 case 1:
5328 key[i/3] |= hexVal(data->wbuffer[i+j]);
5329 break;
5330 }
5331 }
5332 set_wep_key(ai, index, key, i/3, 1, 1);
5333 }
5334
5335 static int proc_wepkey_open( struct inode *inode, struct file *file ) {
5336 struct proc_data *data;
5337 struct proc_dir_entry *dp = PDE(inode);
5338 struct net_device *dev = dp->data;
5339 struct airo_info *ai = dev->priv;
5340 char *ptr;
5341 WepKeyRid wkr;
5342 u16 lastindex;
5343 int j=0;
5344 int rc;
5345
5346 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5347 return -ENOMEM;
5348 memset(&wkr, 0, sizeof(wkr));
5349 data = (struct proc_data *)file->private_data;
5350 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5351 kfree (file->private_data);
5352 return -ENOMEM;
5353 }
5354 data->writelen = 0;
5355 data->maxwritelen = 80;
5356 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5357 kfree (data->rbuffer);
5358 kfree (file->private_data);
5359 return -ENOMEM;
5360 }
5361 data->on_close = proc_wepkey_on_close;
5362
5363 ptr = data->rbuffer;
5364 strcpy(ptr, "No wep keys\n");
5365 rc = readWepKeyRid(ai, &wkr, 1, 1);
5366 if (rc == SUCCESS) do {
5367 lastindex = wkr.kindex;
5368 if (wkr.kindex == 0xffff) {
5369 j += sprintf(ptr+j, "Tx key = %d\n",
5370 (int)wkr.mac[0]);
5371 } else {
5372 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5373 (int)wkr.kindex, (int)wkr.klen);
5374 }
5375 readWepKeyRid(ai, &wkr, 0, 1);
5376 } while((lastindex != wkr.kindex) && (j < 180-30));
5377
5378 data->readlen = strlen( data->rbuffer );
5379 return 0;
5380 }
5381
5382 static int proc_SSID_open( struct inode *inode, struct file *file ) {
5383 struct proc_data *data;
5384 struct proc_dir_entry *dp = PDE(inode);
5385 struct net_device *dev = dp->data;
5386 struct airo_info *ai = dev->priv;
5387 int i;
5388 char *ptr;
5389 SsidRid SSID_rid;
5390
5391 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5392 return -ENOMEM;
5393 data = (struct proc_data *)file->private_data;
5394 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5395 kfree (file->private_data);
5396 return -ENOMEM;
5397 }
5398 data->writelen = 0;
5399 data->maxwritelen = 33*3;
5400 if ((data->wbuffer = kzalloc( 33*3, GFP_KERNEL )) == NULL) {
5401 kfree (data->rbuffer);
5402 kfree (file->private_data);
5403 return -ENOMEM;
5404 }
5405 data->on_close = proc_SSID_on_close;
5406
5407 readSsidRid(ai, &SSID_rid);
5408 ptr = data->rbuffer;
5409 for( i = 0; i < 3; i++ ) {
5410 int j;
5411 if ( !SSID_rid.ssids[i].len ) break;
5412 for( j = 0; j < 32 &&
5413 j < SSID_rid.ssids[i].len &&
5414 SSID_rid.ssids[i].ssid[j]; j++ ) {
5415 *ptr++ = SSID_rid.ssids[i].ssid[j];
5416 }
5417 *ptr++ = '\n';
5418 }
5419 *ptr = '\0';
5420 data->readlen = strlen( data->rbuffer );
5421 return 0;
5422 }
5423
5424 static int proc_APList_open( struct inode *inode, struct file *file ) {
5425 struct proc_data *data;
5426 struct proc_dir_entry *dp = PDE(inode);
5427 struct net_device *dev = dp->data;
5428 struct airo_info *ai = dev->priv;
5429 int i;
5430 char *ptr;
5431 APListRid APList_rid;
5432
5433 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5434 return -ENOMEM;
5435 data = (struct proc_data *)file->private_data;
5436 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5437 kfree (file->private_data);
5438 return -ENOMEM;
5439 }
5440 data->writelen = 0;
5441 data->maxwritelen = 4*6*3;
5442 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5443 kfree (data->rbuffer);
5444 kfree (file->private_data);
5445 return -ENOMEM;
5446 }
5447 data->on_close = proc_APList_on_close;
5448
5449 readAPListRid(ai, &APList_rid);
5450 ptr = data->rbuffer;
5451 for( i = 0; i < 4; i++ ) {
5452 // We end when we find a zero MAC
5453 if ( !*(int*)APList_rid.ap[i] &&
5454 !*(int*)&APList_rid.ap[i][2]) break;
5455 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x\n",
5456 (int)APList_rid.ap[i][0],
5457 (int)APList_rid.ap[i][1],
5458 (int)APList_rid.ap[i][2],
5459 (int)APList_rid.ap[i][3],
5460 (int)APList_rid.ap[i][4],
5461 (int)APList_rid.ap[i][5]);
5462 }
5463 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5464
5465 *ptr = '\0';
5466 data->readlen = strlen( data->rbuffer );
5467 return 0;
5468 }
5469
5470 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5471 struct proc_data *data;
5472 struct proc_dir_entry *dp = PDE(inode);
5473 struct net_device *dev = dp->data;
5474 struct airo_info *ai = dev->priv;
5475 char *ptr;
5476 BSSListRid BSSList_rid;
5477 int rc;
5478 /* If doLoseSync is not 1, we won't do a Lose Sync */
5479 int doLoseSync = -1;
5480
5481 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5482 return -ENOMEM;
5483 data = (struct proc_data *)file->private_data;
5484 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5485 kfree (file->private_data);
5486 return -ENOMEM;
5487 }
5488 data->writelen = 0;
5489 data->maxwritelen = 0;
5490 data->wbuffer = NULL;
5491 data->on_close = NULL;
5492
5493 if (file->f_mode & FMODE_WRITE) {
5494 if (!(file->f_mode & FMODE_READ)) {
5495 Cmd cmd;
5496 Resp rsp;
5497
5498 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5499 memset(&cmd, 0, sizeof(cmd));
5500 cmd.cmd=CMD_LISTBSS;
5501 if (down_interruptible(&ai->sem))
5502 return -ERESTARTSYS;
5503 issuecommand(ai, &cmd, &rsp);
5504 up(&ai->sem);
5505 data->readlen = 0;
5506 return 0;
5507 }
5508 doLoseSync = 1;
5509 }
5510 ptr = data->rbuffer;
5511 /* There is a race condition here if there are concurrent opens.
5512 Since it is a rare condition, we'll just live with it, otherwise
5513 we have to add a spin lock... */
5514 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5515 while(rc == 0 && BSSList_rid.index != 0xffff) {
5516 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x %*s rssi = %d",
5517 (int)BSSList_rid.bssid[0],
5518 (int)BSSList_rid.bssid[1],
5519 (int)BSSList_rid.bssid[2],
5520 (int)BSSList_rid.bssid[3],
5521 (int)BSSList_rid.bssid[4],
5522 (int)BSSList_rid.bssid[5],
5523 (int)BSSList_rid.ssidLen,
5524 BSSList_rid.ssid,
5525 (int)BSSList_rid.dBm);
5526 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5527 (int)BSSList_rid.dsChannel,
5528 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5529 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5530 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5531 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5532 rc = readBSSListRid(ai, 0, &BSSList_rid);
5533 }
5534 *ptr = '\0';
5535 data->readlen = strlen( data->rbuffer );
5536 return 0;
5537 }
5538
5539 static int proc_close( struct inode *inode, struct file *file )
5540 {
5541 struct proc_data *data = file->private_data;
5542
5543 if (data->on_close != NULL)
5544 data->on_close(inode, file);
5545 kfree(data->rbuffer);
5546 kfree(data->wbuffer);
5547 kfree(data);
5548 return 0;
5549 }
5550
5551 /* Since the card doesn't automatically switch to the right WEP mode,
5552 we will make it do it. If the card isn't associated, every secs we
5553 will switch WEP modes to see if that will help. If the card is
5554 associated we will check every minute to see if anything has
5555 changed. */
5556 static void timer_func( struct net_device *dev ) {
5557 struct airo_info *apriv = dev->priv;
5558 Resp rsp;
5559
5560 /* We don't have a link so try changing the authtype */
5561 readConfigRid(apriv, 0);
5562 disable_MAC(apriv, 0);
5563 switch(apriv->config.authType) {
5564 case AUTH_ENCRYPT:
5565 /* So drop to OPEN */
5566 apriv->config.authType = AUTH_OPEN;
5567 break;
5568 case AUTH_SHAREDKEY:
5569 if (apriv->keyindex < auto_wep) {
5570 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5571 apriv->config.authType = AUTH_SHAREDKEY;
5572 apriv->keyindex++;
5573 } else {
5574 /* Drop to ENCRYPT */
5575 apriv->keyindex = 0;
5576 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5577 apriv->config.authType = AUTH_ENCRYPT;
5578 }
5579 break;
5580 default: /* We'll escalate to SHAREDKEY */
5581 apriv->config.authType = AUTH_SHAREDKEY;
5582 }
5583 set_bit (FLAG_COMMIT, &apriv->flags);
5584 writeConfigRid(apriv, 0);
5585 enable_MAC(apriv, &rsp, 0);
5586 up(&apriv->sem);
5587
5588 /* Schedule check to see if the change worked */
5589 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5590 apriv->expires = RUN_AT(HZ*3);
5591 }
5592
5593 #ifdef CONFIG_PCI
5594 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5595 const struct pci_device_id *pent)
5596 {
5597 struct net_device *dev;
5598
5599 if (pci_enable_device(pdev))
5600 return -ENODEV;
5601 pci_set_master(pdev);
5602
5603 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5604 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5605 else
5606 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5607 if (!dev) {
5608 pci_disable_device(pdev);
5609 return -ENODEV;
5610 }
5611
5612 pci_set_drvdata(pdev, dev);
5613 return 0;
5614 }
5615
5616 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5617 {
5618 struct net_device *dev = pci_get_drvdata(pdev);
5619
5620 airo_print_info(dev->name, "Unregistering...");
5621 stop_airo_card(dev, 1);
5622 pci_disable_device(pdev);
5623 pci_set_drvdata(pdev, NULL);
5624 }
5625
5626 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5627 {
5628 struct net_device *dev = pci_get_drvdata(pdev);
5629 struct airo_info *ai = dev->priv;
5630 Cmd cmd;
5631 Resp rsp;
5632
5633 if ((ai->APList == NULL) &&
5634 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5635 return -ENOMEM;
5636 if ((ai->SSID == NULL) &&
5637 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5638 return -ENOMEM;
5639 readAPListRid(ai, ai->APList);
5640 readSsidRid(ai, ai->SSID);
5641 memset(&cmd, 0, sizeof(cmd));
5642 /* the lock will be released at the end of the resume callback */
5643 if (down_interruptible(&ai->sem))
5644 return -EAGAIN;
5645 disable_MAC(ai, 0);
5646 netif_device_detach(dev);
5647 ai->power = state;
5648 cmd.cmd=HOSTSLEEP;
5649 issuecommand(ai, &cmd, &rsp);
5650
5651 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5652 pci_save_state(pdev);
5653 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5654 }
5655
5656 static int airo_pci_resume(struct pci_dev *pdev)
5657 {
5658 struct net_device *dev = pci_get_drvdata(pdev);
5659 struct airo_info *ai = dev->priv;
5660 Resp rsp;
5661 pci_power_t prev_state = pdev->current_state;
5662
5663 pci_set_power_state(pdev, PCI_D0);
5664 pci_restore_state(pdev);
5665 pci_enable_wake(pdev, PCI_D0, 0);
5666
5667 if (prev_state != PCI_D1) {
5668 reset_card(dev, 0);
5669 mpi_init_descriptors(ai);
5670 setup_card(ai, dev->dev_addr, 0);
5671 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5672 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5673 } else {
5674 OUT4500(ai, EVACK, EV_AWAKEN);
5675 OUT4500(ai, EVACK, EV_AWAKEN);
5676 msleep(100);
5677 }
5678
5679 set_bit (FLAG_COMMIT, &ai->flags);
5680 disable_MAC(ai, 0);
5681 msleep(200);
5682 if (ai->SSID) {
5683 writeSsidRid(ai, ai->SSID, 0);
5684 kfree(ai->SSID);
5685 ai->SSID = NULL;
5686 }
5687 if (ai->APList) {
5688 writeAPListRid(ai, ai->APList, 0);
5689 kfree(ai->APList);
5690 ai->APList = NULL;
5691 }
5692 writeConfigRid(ai, 0);
5693 enable_MAC(ai, &rsp, 0);
5694 ai->power = PMSG_ON;
5695 netif_device_attach(dev);
5696 netif_wake_queue(dev);
5697 enable_interrupts(ai);
5698 up(&ai->sem);
5699 return 0;
5700 }
5701 #endif
5702
5703 static int __init airo_init_module( void )
5704 {
5705 int i;
5706 #if 0
5707 int have_isa_dev = 0;
5708 #endif
5709
5710 airo_entry = create_proc_entry("aironet",
5711 S_IFDIR | airo_perm,
5712 proc_root_driver);
5713
5714 if (airo_entry) {
5715 airo_entry->uid = proc_uid;
5716 airo_entry->gid = proc_gid;
5717 }
5718
5719 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
5720 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5721 "io=0x%x", irq[i], io[i] );
5722 if (init_airo_card( irq[i], io[i], 0, NULL ))
5723 #if 0
5724 have_isa_dev = 1;
5725 #else
5726 /* do nothing */ ;
5727 #endif
5728 }
5729
5730 #ifdef CONFIG_PCI
5731 airo_print_info("", "Probing for PCI adapters");
5732 i = pci_register_driver(&airo_driver);
5733 airo_print_info("", "Finished probing for PCI adapters");
5734
5735 if (i) {
5736 remove_proc_entry("aironet", proc_root_driver);
5737 return i;
5738 }
5739 #endif
5740
5741 /* Always exit with success, as we are a library module
5742 * as well as a driver module
5743 */
5744 return 0;
5745 }
5746
5747 static void __exit airo_cleanup_module( void )
5748 {
5749 struct airo_info *ai;
5750 while(!list_empty(&airo_devices)) {
5751 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5752 airo_print_info(ai->dev->name, "Unregistering...");
5753 stop_airo_card(ai->dev, 1);
5754 }
5755 #ifdef CONFIG_PCI
5756 pci_unregister_driver(&airo_driver);
5757 #endif
5758 remove_proc_entry("aironet", proc_root_driver);
5759 }
5760
5761 /*
5762 * Initial Wireless Extension code for Aironet driver by :
5763 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5764 * Conversion to new driver API by :
5765 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5766 * Javier also did a good amount of work here, adding some new extensions
5767 * and fixing my code. Let's just say that without him this code just
5768 * would not work at all... - Jean II
5769 */
5770
5771 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5772 {
5773 if( !rssi_rid )
5774 return 0;
5775
5776 return (0x100 - rssi_rid[rssi].rssidBm);
5777 }
5778
5779 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5780 {
5781 int i;
5782
5783 if( !rssi_rid )
5784 return 0;
5785
5786 for( i = 0; i < 256; i++ )
5787 if (rssi_rid[i].rssidBm == dbm)
5788 return rssi_rid[i].rssipct;
5789
5790 return 0;
5791 }
5792
5793
5794 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5795 {
5796 int quality = 0;
5797
5798 if ((status_rid->mode & 0x3f) == 0x3f && (cap_rid->hardCap & 8)) {
5799 if (memcmp(cap_rid->prodName, "350", 3))
5800 if (status_rid->signalQuality > 0x20)
5801 quality = 0;
5802 else
5803 quality = 0x20 - status_rid->signalQuality;
5804 else
5805 if (status_rid->signalQuality > 0xb0)
5806 quality = 0;
5807 else if (status_rid->signalQuality < 0x10)
5808 quality = 0xa0;
5809 else
5810 quality = 0xb0 - status_rid->signalQuality;
5811 }
5812 return quality;
5813 }
5814
5815 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5816 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5817
5818 /*------------------------------------------------------------------*/
5819 /*
5820 * Wireless Handler : get protocol name
5821 */
5822 static int airo_get_name(struct net_device *dev,
5823 struct iw_request_info *info,
5824 char *cwrq,
5825 char *extra)
5826 {
5827 strcpy(cwrq, "IEEE 802.11-DS");
5828 return 0;
5829 }
5830
5831 /*------------------------------------------------------------------*/
5832 /*
5833 * Wireless Handler : set frequency
5834 */
5835 static int airo_set_freq(struct net_device *dev,
5836 struct iw_request_info *info,
5837 struct iw_freq *fwrq,
5838 char *extra)
5839 {
5840 struct airo_info *local = dev->priv;
5841 int rc = -EINPROGRESS; /* Call commit handler */
5842
5843 /* If setting by frequency, convert to a channel */
5844 if((fwrq->e == 1) &&
5845 (fwrq->m >= (int) 2.412e8) &&
5846 (fwrq->m <= (int) 2.487e8)) {
5847 int f = fwrq->m / 100000;
5848 int c = 0;
5849 while((c < 14) && (f != frequency_list[c]))
5850 c++;
5851 /* Hack to fall through... */
5852 fwrq->e = 0;
5853 fwrq->m = c + 1;
5854 }
5855 /* Setting by channel number */
5856 if((fwrq->m > 1000) || (fwrq->e > 0))
5857 rc = -EOPNOTSUPP;
5858 else {
5859 int channel = fwrq->m;
5860 /* We should do a better check than that,
5861 * based on the card capability !!! */
5862 if((channel < 1) || (channel > 14)) {
5863 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5864 fwrq->m);
5865 rc = -EINVAL;
5866 } else {
5867 readConfigRid(local, 1);
5868 /* Yes ! We can set it !!! */
5869 local->config.channelSet = (u16) channel;
5870 set_bit (FLAG_COMMIT, &local->flags);
5871 }
5872 }
5873 return rc;
5874 }
5875
5876 /*------------------------------------------------------------------*/
5877 /*
5878 * Wireless Handler : get frequency
5879 */
5880 static int airo_get_freq(struct net_device *dev,
5881 struct iw_request_info *info,
5882 struct iw_freq *fwrq,
5883 char *extra)
5884 {
5885 struct airo_info *local = dev->priv;
5886 StatusRid status_rid; /* Card status info */
5887 int ch;
5888
5889 readConfigRid(local, 1);
5890 if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
5891 status_rid.channel = local->config.channelSet;
5892 else
5893 readStatusRid(local, &status_rid, 1);
5894
5895 ch = (int)status_rid.channel;
5896 if((ch > 0) && (ch < 15)) {
5897 fwrq->m = frequency_list[ch - 1] * 100000;
5898 fwrq->e = 1;
5899 } else {
5900 fwrq->m = ch;
5901 fwrq->e = 0;
5902 }
5903
5904 return 0;
5905 }
5906
5907 /*------------------------------------------------------------------*/
5908 /*
5909 * Wireless Handler : set ESSID
5910 */
5911 static int airo_set_essid(struct net_device *dev,
5912 struct iw_request_info *info,
5913 struct iw_point *dwrq,
5914 char *extra)
5915 {
5916 struct airo_info *local = dev->priv;
5917 Resp rsp;
5918 SsidRid SSID_rid; /* SSIDs */
5919
5920 /* Reload the list of current SSID */
5921 readSsidRid(local, &SSID_rid);
5922
5923 /* Check if we asked for `any' */
5924 if(dwrq->flags == 0) {
5925 /* Just send an empty SSID list */
5926 memset(&SSID_rid, 0, sizeof(SSID_rid));
5927 } else {
5928 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5929
5930 /* Check the size of the string */
5931 if(dwrq->length > IW_ESSID_MAX_SIZE) {
5932 return -E2BIG ;
5933 }
5934 /* Check if index is valid */
5935 if((index < 0) || (index >= 4)) {
5936 return -EINVAL;
5937 }
5938
5939 /* Set the SSID */
5940 memset(SSID_rid.ssids[index].ssid, 0,
5941 sizeof(SSID_rid.ssids[index].ssid));
5942 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5943 SSID_rid.ssids[index].len = dwrq->length;
5944 }
5945 SSID_rid.len = sizeof(SSID_rid);
5946 /* Write it to the card */
5947 disable_MAC(local, 1);
5948 writeSsidRid(local, &SSID_rid, 1);
5949 enable_MAC(local, &rsp, 1);
5950
5951 return 0;
5952 }
5953
5954 /*------------------------------------------------------------------*/
5955 /*
5956 * Wireless Handler : get ESSID
5957 */
5958 static int airo_get_essid(struct net_device *dev,
5959 struct iw_request_info *info,
5960 struct iw_point *dwrq,
5961 char *extra)
5962 {
5963 struct airo_info *local = dev->priv;
5964 StatusRid status_rid; /* Card status info */
5965
5966 readStatusRid(local, &status_rid, 1);
5967
5968 /* Note : if dwrq->flags != 0, we should
5969 * get the relevant SSID from the SSID list... */
5970
5971 /* Get the current SSID */
5972 memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
5973 /* If none, we may want to get the one that was set */
5974
5975 /* Push it out ! */
5976 dwrq->length = status_rid.SSIDlen;
5977 dwrq->flags = 1; /* active */
5978
5979 return 0;
5980 }
5981
5982 /*------------------------------------------------------------------*/
5983 /*
5984 * Wireless Handler : set AP address
5985 */
5986 static int airo_set_wap(struct net_device *dev,
5987 struct iw_request_info *info,
5988 struct sockaddr *awrq,
5989 char *extra)
5990 {
5991 struct airo_info *local = dev->priv;
5992 Cmd cmd;
5993 Resp rsp;
5994 APListRid APList_rid;
5995 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5996 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5997
5998 if (awrq->sa_family != ARPHRD_ETHER)
5999 return -EINVAL;
6000 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
6001 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
6002 memset(&cmd, 0, sizeof(cmd));
6003 cmd.cmd=CMD_LOSE_SYNC;
6004 if (down_interruptible(&local->sem))
6005 return -ERESTARTSYS;
6006 issuecommand(local, &cmd, &rsp);
6007 up(&local->sem);
6008 } else {
6009 memset(&APList_rid, 0, sizeof(APList_rid));
6010 APList_rid.len = sizeof(APList_rid);
6011 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
6012 disable_MAC(local, 1);
6013 writeAPListRid(local, &APList_rid, 1);
6014 enable_MAC(local, &rsp, 1);
6015 }
6016 return 0;
6017 }
6018
6019 /*------------------------------------------------------------------*/
6020 /*
6021 * Wireless Handler : get AP address
6022 */
6023 static int airo_get_wap(struct net_device *dev,
6024 struct iw_request_info *info,
6025 struct sockaddr *awrq,
6026 char *extra)
6027 {
6028 struct airo_info *local = dev->priv;
6029 StatusRid status_rid; /* Card status info */
6030
6031 readStatusRid(local, &status_rid, 1);
6032
6033 /* Tentative. This seems to work, wow, I'm lucky !!! */
6034 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6035 awrq->sa_family = ARPHRD_ETHER;
6036
6037 return 0;
6038 }
6039
6040 /*------------------------------------------------------------------*/
6041 /*
6042 * Wireless Handler : set Nickname
6043 */
6044 static int airo_set_nick(struct net_device *dev,
6045 struct iw_request_info *info,
6046 struct iw_point *dwrq,
6047 char *extra)
6048 {
6049 struct airo_info *local = dev->priv;
6050
6051 /* Check the size of the string */
6052 if(dwrq->length > 16) {
6053 return -E2BIG;
6054 }
6055 readConfigRid(local, 1);
6056 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6057 memcpy(local->config.nodeName, extra, dwrq->length);
6058 set_bit (FLAG_COMMIT, &local->flags);
6059
6060 return -EINPROGRESS; /* Call commit handler */
6061 }
6062
6063 /*------------------------------------------------------------------*/
6064 /*
6065 * Wireless Handler : get Nickname
6066 */
6067 static int airo_get_nick(struct net_device *dev,
6068 struct iw_request_info *info,
6069 struct iw_point *dwrq,
6070 char *extra)
6071 {
6072 struct airo_info *local = dev->priv;
6073
6074 readConfigRid(local, 1);
6075 strncpy(extra, local->config.nodeName, 16);
6076 extra[16] = '\0';
6077 dwrq->length = strlen(extra);
6078
6079 return 0;
6080 }
6081
6082 /*------------------------------------------------------------------*/
6083 /*
6084 * Wireless Handler : set Bit-Rate
6085 */
6086 static int airo_set_rate(struct net_device *dev,
6087 struct iw_request_info *info,
6088 struct iw_param *vwrq,
6089 char *extra)
6090 {
6091 struct airo_info *local = dev->priv;
6092 CapabilityRid cap_rid; /* Card capability info */
6093 u8 brate = 0;
6094 int i;
6095
6096 /* First : get a valid bit rate value */
6097 readCapabilityRid(local, &cap_rid, 1);
6098
6099 /* Which type of value ? */
6100 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6101 /* Setting by rate index */
6102 /* Find value in the magic rate table */
6103 brate = cap_rid.supportedRates[vwrq->value];
6104 } else {
6105 /* Setting by frequency value */
6106 u8 normvalue = (u8) (vwrq->value/500000);
6107
6108 /* Check if rate is valid */
6109 for(i = 0 ; i < 8 ; i++) {
6110 if(normvalue == cap_rid.supportedRates[i]) {
6111 brate = normvalue;
6112 break;
6113 }
6114 }
6115 }
6116 /* -1 designed the max rate (mostly auto mode) */
6117 if(vwrq->value == -1) {
6118 /* Get the highest available rate */
6119 for(i = 0 ; i < 8 ; i++) {
6120 if(cap_rid.supportedRates[i] == 0)
6121 break;
6122 }
6123 if(i != 0)
6124 brate = cap_rid.supportedRates[i - 1];
6125 }
6126 /* Check that it is valid */
6127 if(brate == 0) {
6128 return -EINVAL;
6129 }
6130
6131 readConfigRid(local, 1);
6132 /* Now, check if we want a fixed or auto value */
6133 if(vwrq->fixed == 0) {
6134 /* Fill all the rates up to this max rate */
6135 memset(local->config.rates, 0, 8);
6136 for(i = 0 ; i < 8 ; i++) {
6137 local->config.rates[i] = cap_rid.supportedRates[i];
6138 if(local->config.rates[i] == brate)
6139 break;
6140 }
6141 } else {
6142 /* Fixed mode */
6143 /* One rate, fixed */
6144 memset(local->config.rates, 0, 8);
6145 local->config.rates[0] = brate;
6146 }
6147 set_bit (FLAG_COMMIT, &local->flags);
6148
6149 return -EINPROGRESS; /* Call commit handler */
6150 }
6151
6152 /*------------------------------------------------------------------*/
6153 /*
6154 * Wireless Handler : get Bit-Rate
6155 */
6156 static int airo_get_rate(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->priv;
6162 StatusRid status_rid; /* Card status info */
6163
6164 readStatusRid(local, &status_rid, 1);
6165
6166 vwrq->value = status_rid.currentXmitRate * 500000;
6167 /* If more than one rate, set auto */
6168 readConfigRid(local, 1);
6169 vwrq->fixed = (local->config.rates[1] == 0);
6170
6171 return 0;
6172 }
6173
6174 /*------------------------------------------------------------------*/
6175 /*
6176 * Wireless Handler : set RTS threshold
6177 */
6178 static int airo_set_rts(struct net_device *dev,
6179 struct iw_request_info *info,
6180 struct iw_param *vwrq,
6181 char *extra)
6182 {
6183 struct airo_info *local = dev->priv;
6184 int rthr = vwrq->value;
6185
6186 if(vwrq->disabled)
6187 rthr = AIRO_DEF_MTU;
6188 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6189 return -EINVAL;
6190 }
6191 readConfigRid(local, 1);
6192 local->config.rtsThres = rthr;
6193 set_bit (FLAG_COMMIT, &local->flags);
6194
6195 return -EINPROGRESS; /* Call commit handler */
6196 }
6197
6198 /*------------------------------------------------------------------*/
6199 /*
6200 * Wireless Handler : get RTS threshold
6201 */
6202 static int airo_get_rts(struct net_device *dev,
6203 struct iw_request_info *info,
6204 struct iw_param *vwrq,
6205 char *extra)
6206 {
6207 struct airo_info *local = dev->priv;
6208
6209 readConfigRid(local, 1);
6210 vwrq->value = local->config.rtsThres;
6211 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6212 vwrq->fixed = 1;
6213
6214 return 0;
6215 }
6216
6217 /*------------------------------------------------------------------*/
6218 /*
6219 * Wireless Handler : set Fragmentation threshold
6220 */
6221 static int airo_set_frag(struct net_device *dev,
6222 struct iw_request_info *info,
6223 struct iw_param *vwrq,
6224 char *extra)
6225 {
6226 struct airo_info *local = dev->priv;
6227 int fthr = vwrq->value;
6228
6229 if(vwrq->disabled)
6230 fthr = AIRO_DEF_MTU;
6231 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6232 return -EINVAL;
6233 }
6234 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6235 readConfigRid(local, 1);
6236 local->config.fragThresh = (u16)fthr;
6237 set_bit (FLAG_COMMIT, &local->flags);
6238
6239 return -EINPROGRESS; /* Call commit handler */
6240 }
6241
6242 /*------------------------------------------------------------------*/
6243 /*
6244 * Wireless Handler : get Fragmentation threshold
6245 */
6246 static int airo_get_frag(struct net_device *dev,
6247 struct iw_request_info *info,
6248 struct iw_param *vwrq,
6249 char *extra)
6250 {
6251 struct airo_info *local = dev->priv;
6252
6253 readConfigRid(local, 1);
6254 vwrq->value = local->config.fragThresh;
6255 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6256 vwrq->fixed = 1;
6257
6258 return 0;
6259 }
6260
6261 /*------------------------------------------------------------------*/
6262 /*
6263 * Wireless Handler : set Mode of Operation
6264 */
6265 static int airo_set_mode(struct net_device *dev,
6266 struct iw_request_info *info,
6267 __u32 *uwrq,
6268 char *extra)
6269 {
6270 struct airo_info *local = dev->priv;
6271 int reset = 0;
6272
6273 readConfigRid(local, 1);
6274 if ((local->config.rmode & 0xff) >= RXMODE_RFMON)
6275 reset = 1;
6276
6277 switch(*uwrq) {
6278 case IW_MODE_ADHOC:
6279 local->config.opmode &= 0xFF00;
6280 local->config.opmode |= MODE_STA_IBSS;
6281 local->config.rmode &= 0xfe00;
6282 local->config.scanMode = SCANMODE_ACTIVE;
6283 clear_bit (FLAG_802_11, &local->flags);
6284 break;
6285 case IW_MODE_INFRA:
6286 local->config.opmode &= 0xFF00;
6287 local->config.opmode |= MODE_STA_ESS;
6288 local->config.rmode &= 0xfe00;
6289 local->config.scanMode = SCANMODE_ACTIVE;
6290 clear_bit (FLAG_802_11, &local->flags);
6291 break;
6292 case IW_MODE_MASTER:
6293 local->config.opmode &= 0xFF00;
6294 local->config.opmode |= MODE_AP;
6295 local->config.rmode &= 0xfe00;
6296 local->config.scanMode = SCANMODE_ACTIVE;
6297 clear_bit (FLAG_802_11, &local->flags);
6298 break;
6299 case IW_MODE_REPEAT:
6300 local->config.opmode &= 0xFF00;
6301 local->config.opmode |= MODE_AP_RPTR;
6302 local->config.rmode &= 0xfe00;
6303 local->config.scanMode = SCANMODE_ACTIVE;
6304 clear_bit (FLAG_802_11, &local->flags);
6305 break;
6306 case IW_MODE_MONITOR:
6307 local->config.opmode &= 0xFF00;
6308 local->config.opmode |= MODE_STA_ESS;
6309 local->config.rmode &= 0xfe00;
6310 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6311 local->config.scanMode = SCANMODE_PASSIVE;
6312 set_bit (FLAG_802_11, &local->flags);
6313 break;
6314 default:
6315 return -EINVAL;
6316 }
6317 if (reset)
6318 set_bit (FLAG_RESET, &local->flags);
6319 set_bit (FLAG_COMMIT, &local->flags);
6320
6321 return -EINPROGRESS; /* Call commit handler */
6322 }
6323
6324 /*------------------------------------------------------------------*/
6325 /*
6326 * Wireless Handler : get Mode of Operation
6327 */
6328 static int airo_get_mode(struct net_device *dev,
6329 struct iw_request_info *info,
6330 __u32 *uwrq,
6331 char *extra)
6332 {
6333 struct airo_info *local = dev->priv;
6334
6335 readConfigRid(local, 1);
6336 /* If not managed, assume it's ad-hoc */
6337 switch (local->config.opmode & 0xFF) {
6338 case MODE_STA_ESS:
6339 *uwrq = IW_MODE_INFRA;
6340 break;
6341 case MODE_AP:
6342 *uwrq = IW_MODE_MASTER;
6343 break;
6344 case MODE_AP_RPTR:
6345 *uwrq = IW_MODE_REPEAT;
6346 break;
6347 default:
6348 *uwrq = IW_MODE_ADHOC;
6349 }
6350
6351 return 0;
6352 }
6353
6354 /*------------------------------------------------------------------*/
6355 /*
6356 * Wireless Handler : set Encryption Key
6357 */
6358 static int airo_set_encode(struct net_device *dev,
6359 struct iw_request_info *info,
6360 struct iw_point *dwrq,
6361 char *extra)
6362 {
6363 struct airo_info *local = dev->priv;
6364 CapabilityRid cap_rid; /* Card capability info */
6365 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6366 u16 currentAuthType = local->config.authType;
6367
6368 /* Is WEP supported ? */
6369 readCapabilityRid(local, &cap_rid, 1);
6370 /* Older firmware doesn't support this...
6371 if(!(cap_rid.softCap & 2)) {
6372 return -EOPNOTSUPP;
6373 } */
6374 readConfigRid(local, 1);
6375
6376 /* Basic checking: do we have a key to set ?
6377 * Note : with the new API, it's impossible to get a NULL pointer.
6378 * Therefore, we need to check a key size == 0 instead.
6379 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6380 * when no key is present (only change flags), but older versions
6381 * don't do it. - Jean II */
6382 if (dwrq->length > 0) {
6383 wep_key_t key;
6384 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6385 int current_index = get_wep_key(local, 0xffff);
6386 /* Check the size of the key */
6387 if (dwrq->length > MAX_KEY_SIZE) {
6388 return -EINVAL;
6389 }
6390 /* Check the index (none -> use current) */
6391 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4:1)))
6392 index = current_index;
6393 /* Set the length */
6394 if (dwrq->length > MIN_KEY_SIZE)
6395 key.len = MAX_KEY_SIZE;
6396 else
6397 if (dwrq->length > 0)
6398 key.len = MIN_KEY_SIZE;
6399 else
6400 /* Disable the key */
6401 key.len = 0;
6402 /* Check if the key is not marked as invalid */
6403 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6404 /* Cleanup */
6405 memset(key.key, 0, MAX_KEY_SIZE);
6406 /* Copy the key in the driver */
6407 memcpy(key.key, extra, dwrq->length);
6408 /* Send the key to the card */
6409 set_wep_key(local, index, key.key, key.len, perm, 1);
6410 }
6411 /* WE specify that if a valid key is set, encryption
6412 * should be enabled (user may turn it off later)
6413 * This is also how "iwconfig ethX key on" works */
6414 if((index == current_index) && (key.len > 0) &&
6415 (local->config.authType == AUTH_OPEN)) {
6416 local->config.authType = AUTH_ENCRYPT;
6417 }
6418 } else {
6419 /* Do we want to just set the transmit key index ? */
6420 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6421 if ((index >= 0) && (index < ((cap_rid.softCap & 0x80)?4:1))) {
6422 set_wep_key(local, index, NULL, 0, perm, 1);
6423 } else
6424 /* Don't complain if only change the mode */
6425 if(!dwrq->flags & IW_ENCODE_MODE) {
6426 return -EINVAL;
6427 }
6428 }
6429 /* Read the flags */
6430 if(dwrq->flags & IW_ENCODE_DISABLED)
6431 local->config.authType = AUTH_OPEN; // disable encryption
6432 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6433 local->config.authType = AUTH_SHAREDKEY; // Only Both
6434 if(dwrq->flags & IW_ENCODE_OPEN)
6435 local->config.authType = AUTH_ENCRYPT; // Only Wep
6436 /* Commit the changes to flags if needed */
6437 if (local->config.authType != currentAuthType)
6438 set_bit (FLAG_COMMIT, &local->flags);
6439 return -EINPROGRESS; /* Call commit handler */
6440 }
6441
6442 /*------------------------------------------------------------------*/
6443 /*
6444 * Wireless Handler : get Encryption Key
6445 */
6446 static int airo_get_encode(struct net_device *dev,
6447 struct iw_request_info *info,
6448 struct iw_point *dwrq,
6449 char *extra)
6450 {
6451 struct airo_info *local = dev->priv;
6452 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6453 CapabilityRid cap_rid; /* Card capability info */
6454
6455 /* Is it supported ? */
6456 readCapabilityRid(local, &cap_rid, 1);
6457 if(!(cap_rid.softCap & 2)) {
6458 return -EOPNOTSUPP;
6459 }
6460 readConfigRid(local, 1);
6461 /* Check encryption mode */
6462 switch(local->config.authType) {
6463 case AUTH_ENCRYPT:
6464 dwrq->flags = IW_ENCODE_OPEN;
6465 break;
6466 case AUTH_SHAREDKEY:
6467 dwrq->flags = IW_ENCODE_RESTRICTED;
6468 break;
6469 default:
6470 case AUTH_OPEN:
6471 dwrq->flags = IW_ENCODE_DISABLED;
6472 break;
6473 }
6474 /* We can't return the key, so set the proper flag and return zero */
6475 dwrq->flags |= IW_ENCODE_NOKEY;
6476 memset(extra, 0, 16);
6477
6478 /* Which key do we want ? -1 -> tx index */
6479 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4 : 1)))
6480 index = get_wep_key(local, 0xffff);
6481 dwrq->flags |= index + 1;
6482 /* Copy the key to the user buffer */
6483 dwrq->length = get_wep_key(local, index);
6484 if (dwrq->length > 16) {
6485 dwrq->length=0;
6486 }
6487 return 0;
6488 }
6489
6490 /*------------------------------------------------------------------*/
6491 /*
6492 * Wireless Handler : set extended Encryption parameters
6493 */
6494 static int airo_set_encodeext(struct net_device *dev,
6495 struct iw_request_info *info,
6496 union iwreq_data *wrqu,
6497 char *extra)
6498 {
6499 struct airo_info *local = dev->priv;
6500 struct iw_point *encoding = &wrqu->encoding;
6501 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6502 CapabilityRid cap_rid; /* Card capability info */
6503 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6504 u16 currentAuthType = local->config.authType;
6505 int idx, key_len, alg = ext->alg, set_key = 1;
6506 wep_key_t key;
6507
6508 /* Is WEP supported ? */
6509 readCapabilityRid(local, &cap_rid, 1);
6510 /* Older firmware doesn't support this...
6511 if(!(cap_rid.softCap & 2)) {
6512 return -EOPNOTSUPP;
6513 } */
6514 readConfigRid(local, 1);
6515
6516 /* Determine and validate the key index */
6517 idx = encoding->flags & IW_ENCODE_INDEX;
6518 if (idx) {
6519 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6520 return -EINVAL;
6521 idx--;
6522 } else
6523 idx = get_wep_key(local, 0xffff);
6524
6525 if (encoding->flags & IW_ENCODE_DISABLED)
6526 alg = IW_ENCODE_ALG_NONE;
6527
6528 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6529 /* Only set transmit key index here, actual
6530 * key is set below if needed.
6531 */
6532 set_wep_key(local, idx, NULL, 0, perm, 1);
6533 set_key = ext->key_len > 0 ? 1 : 0;
6534 }
6535
6536 if (set_key) {
6537 /* Set the requested key first */
6538 memset(key.key, 0, MAX_KEY_SIZE);
6539 switch (alg) {
6540 case IW_ENCODE_ALG_NONE:
6541 key.len = 0;
6542 break;
6543 case IW_ENCODE_ALG_WEP:
6544 if (ext->key_len > MIN_KEY_SIZE) {
6545 key.len = MAX_KEY_SIZE;
6546 } else if (ext->key_len > 0) {
6547 key.len = MIN_KEY_SIZE;
6548 } else {
6549 return -EINVAL;
6550 }
6551 key_len = min (ext->key_len, key.len);
6552 memcpy(key.key, ext->key, key_len);
6553 break;
6554 default:
6555 return -EINVAL;
6556 }
6557 /* Send the key to the card */
6558 set_wep_key(local, idx, key.key, key.len, perm, 1);
6559 }
6560
6561 /* Read the flags */
6562 if(encoding->flags & IW_ENCODE_DISABLED)
6563 local->config.authType = AUTH_OPEN; // disable encryption
6564 if(encoding->flags & IW_ENCODE_RESTRICTED)
6565 local->config.authType = AUTH_SHAREDKEY; // Only Both
6566 if(encoding->flags & IW_ENCODE_OPEN)
6567 local->config.authType = AUTH_ENCRYPT; // Only Wep
6568 /* Commit the changes to flags if needed */
6569 if (local->config.authType != currentAuthType)
6570 set_bit (FLAG_COMMIT, &local->flags);
6571
6572 return -EINPROGRESS;
6573 }
6574
6575
6576 /*------------------------------------------------------------------*/
6577 /*
6578 * Wireless Handler : get extended Encryption parameters
6579 */
6580 static int airo_get_encodeext(struct net_device *dev,
6581 struct iw_request_info *info,
6582 union iwreq_data *wrqu,
6583 char *extra)
6584 {
6585 struct airo_info *local = dev->priv;
6586 struct iw_point *encoding = &wrqu->encoding;
6587 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6588 CapabilityRid cap_rid; /* Card capability info */
6589 int idx, max_key_len;
6590
6591 /* Is it supported ? */
6592 readCapabilityRid(local, &cap_rid, 1);
6593 if(!(cap_rid.softCap & 2)) {
6594 return -EOPNOTSUPP;
6595 }
6596 readConfigRid(local, 1);
6597
6598 max_key_len = encoding->length - sizeof(*ext);
6599 if (max_key_len < 0)
6600 return -EINVAL;
6601
6602 idx = encoding->flags & IW_ENCODE_INDEX;
6603 if (idx) {
6604 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6605 return -EINVAL;
6606 idx--;
6607 } else
6608 idx = get_wep_key(local, 0xffff);
6609
6610 encoding->flags = idx + 1;
6611 memset(ext, 0, sizeof(*ext));
6612
6613 /* Check encryption mode */
6614 switch(local->config.authType) {
6615 case AUTH_ENCRYPT:
6616 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6617 break;
6618 case AUTH_SHAREDKEY:
6619 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6620 break;
6621 default:
6622 case AUTH_OPEN:
6623 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6624 break;
6625 }
6626 /* We can't return the key, so set the proper flag and return zero */
6627 encoding->flags |= IW_ENCODE_NOKEY;
6628 memset(extra, 0, 16);
6629
6630 /* Copy the key to the user buffer */
6631 ext->key_len = get_wep_key(local, idx);
6632 if (ext->key_len > 16) {
6633 ext->key_len=0;
6634 }
6635
6636 return 0;
6637 }
6638
6639
6640 /*------------------------------------------------------------------*/
6641 /*
6642 * Wireless Handler : set extended authentication parameters
6643 */
6644 static int airo_set_auth(struct net_device *dev,
6645 struct iw_request_info *info,
6646 union iwreq_data *wrqu, char *extra)
6647 {
6648 struct airo_info *local = dev->priv;
6649 struct iw_param *param = &wrqu->param;
6650 u16 currentAuthType = local->config.authType;
6651
6652 switch (param->flags & IW_AUTH_INDEX) {
6653 case IW_AUTH_WPA_VERSION:
6654 case IW_AUTH_CIPHER_PAIRWISE:
6655 case IW_AUTH_CIPHER_GROUP:
6656 case IW_AUTH_KEY_MGMT:
6657 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6658 case IW_AUTH_PRIVACY_INVOKED:
6659 /*
6660 * airo does not use these parameters
6661 */
6662 break;
6663
6664 case IW_AUTH_DROP_UNENCRYPTED:
6665 if (param->value) {
6666 /* Only change auth type if unencrypted */
6667 if (currentAuthType == AUTH_OPEN)
6668 local->config.authType = AUTH_ENCRYPT;
6669 } else {
6670 local->config.authType = AUTH_OPEN;
6671 }
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 case IW_AUTH_80211_AUTH_ALG: {
6679 /* FIXME: What about AUTH_OPEN? This API seems to
6680 * disallow setting our auth to AUTH_OPEN.
6681 */
6682 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6683 local->config.authType = AUTH_SHAREDKEY;
6684 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6685 local->config.authType = AUTH_ENCRYPT;
6686 } else
6687 return -EINVAL;
6688 break;
6689
6690 /* Commit the changes to flags if needed */
6691 if (local->config.authType != currentAuthType)
6692 set_bit (FLAG_COMMIT, &local->flags);
6693 }
6694
6695 case IW_AUTH_WPA_ENABLED:
6696 /* Silently accept disable of WPA */
6697 if (param->value > 0)
6698 return -EOPNOTSUPP;
6699 break;
6700
6701 default:
6702 return -EOPNOTSUPP;
6703 }
6704 return -EINPROGRESS;
6705 }
6706
6707
6708 /*------------------------------------------------------------------*/
6709 /*
6710 * Wireless Handler : get extended authentication parameters
6711 */
6712 static int airo_get_auth(struct net_device *dev,
6713 struct iw_request_info *info,
6714 union iwreq_data *wrqu, char *extra)
6715 {
6716 struct airo_info *local = dev->priv;
6717 struct iw_param *param = &wrqu->param;
6718 u16 currentAuthType = local->config.authType;
6719
6720 switch (param->flags & IW_AUTH_INDEX) {
6721 case IW_AUTH_DROP_UNENCRYPTED:
6722 switch (currentAuthType) {
6723 case AUTH_SHAREDKEY:
6724 case AUTH_ENCRYPT:
6725 param->value = 1;
6726 break;
6727 default:
6728 param->value = 0;
6729 break;
6730 }
6731 break;
6732
6733 case IW_AUTH_80211_AUTH_ALG:
6734 switch (currentAuthType) {
6735 case AUTH_SHAREDKEY:
6736 param->value = IW_AUTH_ALG_SHARED_KEY;
6737 break;
6738 case AUTH_ENCRYPT:
6739 default:
6740 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6741 break;
6742 }
6743 break;
6744
6745 case IW_AUTH_WPA_ENABLED:
6746 param->value = 0;
6747 break;
6748
6749 default:
6750 return -EOPNOTSUPP;
6751 }
6752 return 0;
6753 }
6754
6755
6756 /*------------------------------------------------------------------*/
6757 /*
6758 * Wireless Handler : set Tx-Power
6759 */
6760 static int airo_set_txpow(struct net_device *dev,
6761 struct iw_request_info *info,
6762 struct iw_param *vwrq,
6763 char *extra)
6764 {
6765 struct airo_info *local = dev->priv;
6766 CapabilityRid cap_rid; /* Card capability info */
6767 int i;
6768 int rc = -EINVAL;
6769
6770 readCapabilityRid(local, &cap_rid, 1);
6771
6772 if (vwrq->disabled) {
6773 set_bit (FLAG_RADIO_OFF, &local->flags);
6774 set_bit (FLAG_COMMIT, &local->flags);
6775 return -EINPROGRESS; /* Call commit handler */
6776 }
6777 if (vwrq->flags != IW_TXPOW_MWATT) {
6778 return -EINVAL;
6779 }
6780 clear_bit (FLAG_RADIO_OFF, &local->flags);
6781 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6782 if ((vwrq->value==cap_rid.txPowerLevels[i])) {
6783 readConfigRid(local, 1);
6784 local->config.txPower = vwrq->value;
6785 set_bit (FLAG_COMMIT, &local->flags);
6786 rc = -EINPROGRESS; /* Call commit handler */
6787 break;
6788 }
6789 return rc;
6790 }
6791
6792 /*------------------------------------------------------------------*/
6793 /*
6794 * Wireless Handler : get Tx-Power
6795 */
6796 static int airo_get_txpow(struct net_device *dev,
6797 struct iw_request_info *info,
6798 struct iw_param *vwrq,
6799 char *extra)
6800 {
6801 struct airo_info *local = dev->priv;
6802
6803 readConfigRid(local, 1);
6804 vwrq->value = local->config.txPower;
6805 vwrq->fixed = 1; /* No power control */
6806 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6807 vwrq->flags = IW_TXPOW_MWATT;
6808
6809 return 0;
6810 }
6811
6812 /*------------------------------------------------------------------*/
6813 /*
6814 * Wireless Handler : set Retry limits
6815 */
6816 static int airo_set_retry(struct net_device *dev,
6817 struct iw_request_info *info,
6818 struct iw_param *vwrq,
6819 char *extra)
6820 {
6821 struct airo_info *local = dev->priv;
6822 int rc = -EINVAL;
6823
6824 if(vwrq->disabled) {
6825 return -EINVAL;
6826 }
6827 readConfigRid(local, 1);
6828 if(vwrq->flags & IW_RETRY_LIMIT) {
6829 if(vwrq->flags & IW_RETRY_LONG)
6830 local->config.longRetryLimit = vwrq->value;
6831 else if (vwrq->flags & IW_RETRY_SHORT)
6832 local->config.shortRetryLimit = vwrq->value;
6833 else {
6834 /* No modifier : set both */
6835 local->config.longRetryLimit = vwrq->value;
6836 local->config.shortRetryLimit = vwrq->value;
6837 }
6838 set_bit (FLAG_COMMIT, &local->flags);
6839 rc = -EINPROGRESS; /* Call commit handler */
6840 }
6841 if(vwrq->flags & IW_RETRY_LIFETIME) {
6842 local->config.txLifetime = vwrq->value / 1024;
6843 set_bit (FLAG_COMMIT, &local->flags);
6844 rc = -EINPROGRESS; /* Call commit handler */
6845 }
6846 return rc;
6847 }
6848
6849 /*------------------------------------------------------------------*/
6850 /*
6851 * Wireless Handler : get Retry limits
6852 */
6853 static int airo_get_retry(struct net_device *dev,
6854 struct iw_request_info *info,
6855 struct iw_param *vwrq,
6856 char *extra)
6857 {
6858 struct airo_info *local = dev->priv;
6859
6860 vwrq->disabled = 0; /* Can't be disabled */
6861
6862 readConfigRid(local, 1);
6863 /* Note : by default, display the min retry number */
6864 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6865 vwrq->flags = IW_RETRY_LIFETIME;
6866 vwrq->value = (int)local->config.txLifetime * 1024;
6867 } else if((vwrq->flags & IW_RETRY_LONG)) {
6868 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6869 vwrq->value = (int)local->config.longRetryLimit;
6870 } else {
6871 vwrq->flags = IW_RETRY_LIMIT;
6872 vwrq->value = (int)local->config.shortRetryLimit;
6873 if((int)local->config.shortRetryLimit != (int)local->config.longRetryLimit)
6874 vwrq->flags |= IW_RETRY_SHORT;
6875 }
6876
6877 return 0;
6878 }
6879
6880 /*------------------------------------------------------------------*/
6881 /*
6882 * Wireless Handler : get range info
6883 */
6884 static int airo_get_range(struct net_device *dev,
6885 struct iw_request_info *info,
6886 struct iw_point *dwrq,
6887 char *extra)
6888 {
6889 struct airo_info *local = dev->priv;
6890 struct iw_range *range = (struct iw_range *) extra;
6891 CapabilityRid cap_rid; /* Card capability info */
6892 int i;
6893 int k;
6894
6895 readCapabilityRid(local, &cap_rid, 1);
6896
6897 dwrq->length = sizeof(struct iw_range);
6898 memset(range, 0, sizeof(*range));
6899 range->min_nwid = 0x0000;
6900 range->max_nwid = 0x0000;
6901 range->num_channels = 14;
6902 /* Should be based on cap_rid.country to give only
6903 * what the current card support */
6904 k = 0;
6905 for(i = 0; i < 14; i++) {
6906 range->freq[k].i = i + 1; /* List index */
6907 range->freq[k].m = frequency_list[i] * 100000;
6908 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6909 }
6910 range->num_frequency = k;
6911
6912 range->sensitivity = 65535;
6913
6914 /* Hum... Should put the right values there */
6915 if (local->rssi)
6916 range->max_qual.qual = 100; /* % */
6917 else
6918 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6919 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6920 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6921
6922 /* Experimental measurements - boundary 11/5.5 Mb/s */
6923 /* Note : with or without the (local->rssi), results
6924 * are somewhat different. - Jean II */
6925 if (local->rssi) {
6926 range->avg_qual.qual = 50; /* % */
6927 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6928 } else {
6929 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6930 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6931 }
6932 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6933
6934 for(i = 0 ; i < 8 ; i++) {
6935 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6936 if(range->bitrate[i] == 0)
6937 break;
6938 }
6939 range->num_bitrates = i;
6940
6941 /* Set an indication of the max TCP throughput
6942 * in bit/s that we can expect using this interface.
6943 * May be use for QoS stuff... Jean II */
6944 if(i > 2)
6945 range->throughput = 5000 * 1000;
6946 else
6947 range->throughput = 1500 * 1000;
6948
6949 range->min_rts = 0;
6950 range->max_rts = AIRO_DEF_MTU;
6951 range->min_frag = 256;
6952 range->max_frag = AIRO_DEF_MTU;
6953
6954 if(cap_rid.softCap & 2) {
6955 // WEP: RC4 40 bits
6956 range->encoding_size[0] = 5;
6957 // RC4 ~128 bits
6958 if (cap_rid.softCap & 0x100) {
6959 range->encoding_size[1] = 13;
6960 range->num_encoding_sizes = 2;
6961 } else
6962 range->num_encoding_sizes = 1;
6963 range->max_encoding_tokens = (cap_rid.softCap & 0x80) ? 4 : 1;
6964 } else {
6965 range->num_encoding_sizes = 0;
6966 range->max_encoding_tokens = 0;
6967 }
6968 range->min_pmp = 0;
6969 range->max_pmp = 5000000; /* 5 secs */
6970 range->min_pmt = 0;
6971 range->max_pmt = 65535 * 1024; /* ??? */
6972 range->pmp_flags = IW_POWER_PERIOD;
6973 range->pmt_flags = IW_POWER_TIMEOUT;
6974 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6975
6976 /* Transmit Power - values are in mW */
6977 for(i = 0 ; i < 8 ; i++) {
6978 range->txpower[i] = cap_rid.txPowerLevels[i];
6979 if(range->txpower[i] == 0)
6980 break;
6981 }
6982 range->num_txpower = i;
6983 range->txpower_capa = IW_TXPOW_MWATT;
6984 range->we_version_source = 19;
6985 range->we_version_compiled = WIRELESS_EXT;
6986 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6987 range->retry_flags = IW_RETRY_LIMIT;
6988 range->r_time_flags = IW_RETRY_LIFETIME;
6989 range->min_retry = 1;
6990 range->max_retry = 65535;
6991 range->min_r_time = 1024;
6992 range->max_r_time = 65535 * 1024;
6993
6994 /* Event capability (kernel + driver) */
6995 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6996 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6997 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6998 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6999 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7000 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7001 return 0;
7002 }
7003
7004 /*------------------------------------------------------------------*/
7005 /*
7006 * Wireless Handler : set Power Management
7007 */
7008 static int airo_set_power(struct net_device *dev,
7009 struct iw_request_info *info,
7010 struct iw_param *vwrq,
7011 char *extra)
7012 {
7013 struct airo_info *local = dev->priv;
7014
7015 readConfigRid(local, 1);
7016 if (vwrq->disabled) {
7017 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7018 return -EINVAL;
7019 }
7020 local->config.powerSaveMode = POWERSAVE_CAM;
7021 local->config.rmode &= 0xFF00;
7022 local->config.rmode |= RXMODE_BC_MC_ADDR;
7023 set_bit (FLAG_COMMIT, &local->flags);
7024 return -EINPROGRESS; /* Call commit handler */
7025 }
7026 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7027 local->config.fastListenDelay = (vwrq->value + 500) / 1024;
7028 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7029 set_bit (FLAG_COMMIT, &local->flags);
7030 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7031 local->config.fastListenInterval = local->config.listenInterval = (vwrq->value + 500) / 1024;
7032 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7033 set_bit (FLAG_COMMIT, &local->flags);
7034 }
7035 switch (vwrq->flags & IW_POWER_MODE) {
7036 case IW_POWER_UNICAST_R:
7037 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7038 return -EINVAL;
7039 }
7040 local->config.rmode &= 0xFF00;
7041 local->config.rmode |= RXMODE_ADDR;
7042 set_bit (FLAG_COMMIT, &local->flags);
7043 break;
7044 case IW_POWER_ALL_R:
7045 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7046 return -EINVAL;
7047 }
7048 local->config.rmode &= 0xFF00;
7049 local->config.rmode |= RXMODE_BC_MC_ADDR;
7050 set_bit (FLAG_COMMIT, &local->flags);
7051 case IW_POWER_ON:
7052 /* This is broken, fixme ;-) */
7053 break;
7054 default:
7055 return -EINVAL;
7056 }
7057 // Note : we may want to factor local->need_commit here
7058 // Note2 : may also want to factor RXMODE_RFMON test
7059 return -EINPROGRESS; /* Call commit handler */
7060 }
7061
7062 /*------------------------------------------------------------------*/
7063 /*
7064 * Wireless Handler : get Power Management
7065 */
7066 static int airo_get_power(struct net_device *dev,
7067 struct iw_request_info *info,
7068 struct iw_param *vwrq,
7069 char *extra)
7070 {
7071 struct airo_info *local = dev->priv;
7072 int mode;
7073
7074 readConfigRid(local, 1);
7075 mode = local->config.powerSaveMode;
7076 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7077 return 0;
7078 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7079 vwrq->value = (int)local->config.fastListenDelay * 1024;
7080 vwrq->flags = IW_POWER_TIMEOUT;
7081 } else {
7082 vwrq->value = (int)local->config.fastListenInterval * 1024;
7083 vwrq->flags = IW_POWER_PERIOD;
7084 }
7085 if ((local->config.rmode & 0xFF) == RXMODE_ADDR)
7086 vwrq->flags |= IW_POWER_UNICAST_R;
7087 else
7088 vwrq->flags |= IW_POWER_ALL_R;
7089
7090 return 0;
7091 }
7092
7093 /*------------------------------------------------------------------*/
7094 /*
7095 * Wireless Handler : set Sensitivity
7096 */
7097 static int airo_set_sens(struct net_device *dev,
7098 struct iw_request_info *info,
7099 struct iw_param *vwrq,
7100 char *extra)
7101 {
7102 struct airo_info *local = dev->priv;
7103
7104 readConfigRid(local, 1);
7105 local->config.rssiThreshold = vwrq->disabled ? RSSI_DEFAULT : vwrq->value;
7106 set_bit (FLAG_COMMIT, &local->flags);
7107
7108 return -EINPROGRESS; /* Call commit handler */
7109 }
7110
7111 /*------------------------------------------------------------------*/
7112 /*
7113 * Wireless Handler : get Sensitivity
7114 */
7115 static int airo_get_sens(struct net_device *dev,
7116 struct iw_request_info *info,
7117 struct iw_param *vwrq,
7118 char *extra)
7119 {
7120 struct airo_info *local = dev->priv;
7121
7122 readConfigRid(local, 1);
7123 vwrq->value = local->config.rssiThreshold;
7124 vwrq->disabled = (vwrq->value == 0);
7125 vwrq->fixed = 1;
7126
7127 return 0;
7128 }
7129
7130 /*------------------------------------------------------------------*/
7131 /*
7132 * Wireless Handler : get AP List
7133 * Note : this is deprecated in favor of IWSCAN
7134 */
7135 static int airo_get_aplist(struct net_device *dev,
7136 struct iw_request_info *info,
7137 struct iw_point *dwrq,
7138 char *extra)
7139 {
7140 struct airo_info *local = dev->priv;
7141 struct sockaddr *address = (struct sockaddr *) extra;
7142 struct iw_quality qual[IW_MAX_AP];
7143 BSSListRid BSSList;
7144 int i;
7145 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7146
7147 for (i = 0; i < IW_MAX_AP; i++) {
7148 if (readBSSListRid(local, loseSync, &BSSList))
7149 break;
7150 loseSync = 0;
7151 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7152 address[i].sa_family = ARPHRD_ETHER;
7153 if (local->rssi) {
7154 qual[i].level = 0x100 - BSSList.dBm;
7155 qual[i].qual = airo_dbm_to_pct( local->rssi, BSSList.dBm );
7156 qual[i].updated = IW_QUAL_QUAL_UPDATED
7157 | IW_QUAL_LEVEL_UPDATED
7158 | IW_QUAL_DBM;
7159 } else {
7160 qual[i].level = (BSSList.dBm + 321) / 2;
7161 qual[i].qual = 0;
7162 qual[i].updated = IW_QUAL_QUAL_INVALID
7163 | IW_QUAL_LEVEL_UPDATED
7164 | IW_QUAL_DBM;
7165 }
7166 qual[i].noise = local->wstats.qual.noise;
7167 if (BSSList.index == 0xffff)
7168 break;
7169 }
7170 if (!i) {
7171 StatusRid status_rid; /* Card status info */
7172 readStatusRid(local, &status_rid, 1);
7173 for (i = 0;
7174 i < min(IW_MAX_AP, 4) &&
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])!=0xff &&
7181 (status_rid.bssid[i][0]
7182 | status_rid.bssid[i][1]
7183 | status_rid.bssid[i][2]
7184 | status_rid.bssid[i][3]
7185 | status_rid.bssid[i][4]
7186 | status_rid.bssid[i][5]);
7187 i++) {
7188 memcpy(address[i].sa_data,
7189 status_rid.bssid[i], ETH_ALEN);
7190 address[i].sa_family = ARPHRD_ETHER;
7191 }
7192 } else {
7193 dwrq->flags = 1; /* Should be define'd */
7194 memcpy(extra + sizeof(struct sockaddr)*i,
7195 &qual, sizeof(struct iw_quality)*i);
7196 }
7197 dwrq->length = i;
7198
7199 return 0;
7200 }
7201
7202 /*------------------------------------------------------------------*/
7203 /*
7204 * Wireless Handler : Initiate Scan
7205 */
7206 static int airo_set_scan(struct net_device *dev,
7207 struct iw_request_info *info,
7208 struct iw_param *vwrq,
7209 char *extra)
7210 {
7211 struct airo_info *ai = dev->priv;
7212 Cmd cmd;
7213 Resp rsp;
7214 int wake = 0;
7215
7216 /* Note : you may have realised that, as this is a SET operation,
7217 * this is privileged and therefore a normal user can't
7218 * perform scanning.
7219 * This is not an error, while the device perform scanning,
7220 * traffic doesn't flow, so it's a perfect DoS...
7221 * Jean II */
7222 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7223
7224 if (down_interruptible(&ai->sem))
7225 return -ERESTARTSYS;
7226
7227 /* If there's already a scan in progress, don't
7228 * trigger another one. */
7229 if (ai->scan_timeout > 0)
7230 goto out;
7231
7232 /* Initiate a scan command */
7233 ai->scan_timeout = RUN_AT(3*HZ);
7234 memset(&cmd, 0, sizeof(cmd));
7235 cmd.cmd=CMD_LISTBSS;
7236 issuecommand(ai, &cmd, &rsp);
7237 wake = 1;
7238
7239 out:
7240 up(&ai->sem);
7241 if (wake)
7242 wake_up_interruptible(&ai->thr_wait);
7243 return 0;
7244 }
7245
7246 /*------------------------------------------------------------------*/
7247 /*
7248 * Translate scan data returned from the card to a card independent
7249 * format that the Wireless Tools will understand - Jean II
7250 */
7251 static inline char *airo_translate_scan(struct net_device *dev,
7252 char *current_ev,
7253 char *end_buf,
7254 BSSListRid *bss)
7255 {
7256 struct airo_info *ai = dev->priv;
7257 struct iw_event iwe; /* Temporary buffer */
7258 u16 capabilities;
7259 char * current_val; /* For rates */
7260 int i;
7261 char * buf;
7262
7263 /* First entry *MUST* be the AP MAC address */
7264 iwe.cmd = SIOCGIWAP;
7265 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7266 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7267 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
7268
7269 /* Other entries will be displayed in the order we give them */
7270
7271 /* Add the ESSID */
7272 iwe.u.data.length = bss->ssidLen;
7273 if(iwe.u.data.length > 32)
7274 iwe.u.data.length = 32;
7275 iwe.cmd = SIOCGIWESSID;
7276 iwe.u.data.flags = 1;
7277 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7278
7279 /* Add mode */
7280 iwe.cmd = SIOCGIWMODE;
7281 capabilities = le16_to_cpu(bss->cap);
7282 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7283 if(capabilities & CAP_ESS)
7284 iwe.u.mode = IW_MODE_MASTER;
7285 else
7286 iwe.u.mode = IW_MODE_ADHOC;
7287 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
7288 }
7289
7290 /* Add frequency */
7291 iwe.cmd = SIOCGIWFREQ;
7292 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7293 /* iwe.u.freq.m containt the channel (starting 1), our
7294 * frequency_list array start at index 0...
7295 */
7296 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
7297 iwe.u.freq.e = 1;
7298 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
7299
7300 /* Add quality statistics */
7301 iwe.cmd = IWEVQUAL;
7302 if (ai->rssi) {
7303 iwe.u.qual.level = 0x100 - bss->dBm;
7304 iwe.u.qual.qual = airo_dbm_to_pct( ai->rssi, bss->dBm );
7305 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7306 | IW_QUAL_LEVEL_UPDATED
7307 | IW_QUAL_DBM;
7308 } else {
7309 iwe.u.qual.level = (bss->dBm + 321) / 2;
7310 iwe.u.qual.qual = 0;
7311 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7312 | IW_QUAL_LEVEL_UPDATED
7313 | IW_QUAL_DBM;
7314 }
7315 iwe.u.qual.noise = ai->wstats.qual.noise;
7316 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
7317
7318 /* Add encryption capability */
7319 iwe.cmd = SIOCGIWENCODE;
7320 if(capabilities & CAP_PRIVACY)
7321 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7322 else
7323 iwe.u.data.flags = IW_ENCODE_DISABLED;
7324 iwe.u.data.length = 0;
7325 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7326
7327 /* Rate : stuffing multiple values in a single event require a bit
7328 * more of magic - Jean II */
7329 current_val = current_ev + IW_EV_LCP_LEN;
7330
7331 iwe.cmd = SIOCGIWRATE;
7332 /* Those two flags are ignored... */
7333 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7334 /* Max 8 values */
7335 for(i = 0 ; i < 8 ; i++) {
7336 /* NULL terminated */
7337 if(bss->rates[i] == 0)
7338 break;
7339 /* Bit rate given in 500 kb/s units (+ 0x80) */
7340 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7341 /* Add new value to event */
7342 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
7343 }
7344 /* Check if we added any event */
7345 if((current_val - current_ev) > IW_EV_LCP_LEN)
7346 current_ev = current_val;
7347
7348 /* Beacon interval */
7349 buf = kmalloc(30, GFP_KERNEL);
7350 if (buf) {
7351 iwe.cmd = IWEVCUSTOM;
7352 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7353 iwe.u.data.length = strlen(buf);
7354 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, buf);
7355 kfree(buf);
7356 }
7357
7358 /* Put WPA/RSN Information Elements into the event stream */
7359 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7360 unsigned int num_null_ies = 0;
7361 u16 length = sizeof (bss->extra.iep);
7362 struct ieee80211_info_element *info_element =
7363 (struct ieee80211_info_element *) &bss->extra.iep;
7364
7365 while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) {
7366 if (sizeof(*info_element) + info_element->len > length) {
7367 /* Invalid element, don't continue parsing IE */
7368 break;
7369 }
7370
7371 switch (info_element->id) {
7372 case MFIE_TYPE_SSID:
7373 /* Two zero-length SSID elements
7374 * mean we're done parsing elements */
7375 if (!info_element->len)
7376 num_null_ies++;
7377 break;
7378
7379 case MFIE_TYPE_GENERIC:
7380 if (info_element->len >= 4 &&
7381 info_element->data[0] == 0x00 &&
7382 info_element->data[1] == 0x50 &&
7383 info_element->data[2] == 0xf2 &&
7384 info_element->data[3] == 0x01) {
7385 iwe.cmd = IWEVGENIE;
7386 iwe.u.data.length = min(info_element->len + 2,
7387 MAX_WPA_IE_LEN);
7388 current_ev = iwe_stream_add_point(current_ev, end_buf,
7389 &iwe, (char *) info_element);
7390 }
7391 break;
7392
7393 case MFIE_TYPE_RSN:
7394 iwe.cmd = IWEVGENIE;
7395 iwe.u.data.length = min(info_element->len + 2,
7396 MAX_WPA_IE_LEN);
7397 current_ev = iwe_stream_add_point(current_ev, end_buf,
7398 &iwe, (char *) info_element);
7399 break;
7400
7401 default:
7402 break;
7403 }
7404
7405 length -= sizeof(*info_element) + info_element->len;
7406 info_element =
7407 (struct ieee80211_info_element *)&info_element->
7408 data[info_element->len];
7409 }
7410 }
7411 return current_ev;
7412 }
7413
7414 /*------------------------------------------------------------------*/
7415 /*
7416 * Wireless Handler : Read Scan Results
7417 */
7418 static int airo_get_scan(struct net_device *dev,
7419 struct iw_request_info *info,
7420 struct iw_point *dwrq,
7421 char *extra)
7422 {
7423 struct airo_info *ai = dev->priv;
7424 BSSListElement *net;
7425 int err = 0;
7426 char *current_ev = extra;
7427
7428 /* If a scan is in-progress, return -EAGAIN */
7429 if (ai->scan_timeout > 0)
7430 return -EAGAIN;
7431
7432 if (down_interruptible(&ai->sem))
7433 return -EAGAIN;
7434
7435 list_for_each_entry (net, &ai->network_list, list) {
7436 /* Translate to WE format this entry */
7437 current_ev = airo_translate_scan(dev, current_ev,
7438 extra + dwrq->length,
7439 &net->bss);
7440
7441 /* Check if there is space for one more entry */
7442 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7443 /* Ask user space to try again with a bigger buffer */
7444 err = -E2BIG;
7445 goto out;
7446 }
7447 }
7448
7449 /* Length of data */
7450 dwrq->length = (current_ev - extra);
7451 dwrq->flags = 0; /* todo */
7452
7453 out:
7454 up(&ai->sem);
7455 return err;
7456 }
7457
7458 /*------------------------------------------------------------------*/
7459 /*
7460 * Commit handler : called after a bunch of SET operations
7461 */
7462 static int airo_config_commit(struct net_device *dev,
7463 struct iw_request_info *info, /* NULL */
7464 void *zwrq, /* NULL */
7465 char *extra) /* NULL */
7466 {
7467 struct airo_info *local = dev->priv;
7468 Resp rsp;
7469
7470 if (!test_bit (FLAG_COMMIT, &local->flags))
7471 return 0;
7472
7473 /* Some of the "SET" function may have modified some of the
7474 * parameters. It's now time to commit them in the card */
7475 disable_MAC(local, 1);
7476 if (test_bit (FLAG_RESET, &local->flags)) {
7477 APListRid APList_rid;
7478 SsidRid SSID_rid;
7479
7480 readAPListRid(local, &APList_rid);
7481 readSsidRid(local, &SSID_rid);
7482 if (test_bit(FLAG_MPI,&local->flags))
7483 setup_card(local, dev->dev_addr, 1 );
7484 else
7485 reset_airo_card(dev);
7486 disable_MAC(local, 1);
7487 writeSsidRid(local, &SSID_rid, 1);
7488 writeAPListRid(local, &APList_rid, 1);
7489 }
7490 if (down_interruptible(&local->sem))
7491 return -ERESTARTSYS;
7492 writeConfigRid(local, 0);
7493 enable_MAC(local, &rsp, 0);
7494 if (test_bit (FLAG_RESET, &local->flags))
7495 airo_set_promisc(local);
7496 else
7497 up(&local->sem);
7498
7499 return 0;
7500 }
7501
7502 /*------------------------------------------------------------------*/
7503 /*
7504 * Structures to export the Wireless Handlers
7505 */
7506
7507 static const struct iw_priv_args airo_private_args[] = {
7508 /*{ cmd, set_args, get_args, name } */
7509 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7510 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7511 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7512 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7513 };
7514
7515 static const iw_handler airo_handler[] =
7516 {
7517 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7518 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7519 (iw_handler) NULL, /* SIOCSIWNWID */
7520 (iw_handler) NULL, /* SIOCGIWNWID */
7521 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7522 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7523 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7524 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7525 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7526 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7527 (iw_handler) NULL, /* SIOCSIWRANGE */
7528 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7529 (iw_handler) NULL, /* SIOCSIWPRIV */
7530 (iw_handler) NULL, /* SIOCGIWPRIV */
7531 (iw_handler) NULL, /* SIOCSIWSTATS */
7532 (iw_handler) NULL, /* SIOCGIWSTATS */
7533 iw_handler_set_spy, /* SIOCSIWSPY */
7534 iw_handler_get_spy, /* SIOCGIWSPY */
7535 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7536 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7537 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7538 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7539 (iw_handler) NULL, /* -- hole -- */
7540 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7541 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7542 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7543 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7544 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7545 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7546 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7547 (iw_handler) NULL, /* -- hole -- */
7548 (iw_handler) NULL, /* -- hole -- */
7549 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7550 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7551 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7552 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7553 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7554 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7555 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7556 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7557 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7558 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7559 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7560 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7561 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7562 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7563 (iw_handler) NULL, /* -- hole -- */
7564 (iw_handler) NULL, /* -- hole -- */
7565 (iw_handler) NULL, /* SIOCSIWGENIE */
7566 (iw_handler) NULL, /* SIOCGIWGENIE */
7567 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7568 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7569 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7570 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7571 (iw_handler) NULL, /* SIOCSIWPMKSA */
7572 };
7573
7574 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7575 * We want to force the use of the ioctl code, because those can't be
7576 * won't work the iw_handler code (because they simultaneously read
7577 * and write data and iw_handler can't do that).
7578 * Note that it's perfectly legal to read/write on a single ioctl command,
7579 * you just can't use iwpriv and need to force it via the ioctl handler.
7580 * Jean II */
7581 static const iw_handler airo_private_handler[] =
7582 {
7583 NULL, /* SIOCIWFIRSTPRIV */
7584 };
7585
7586 static const struct iw_handler_def airo_handler_def =
7587 {
7588 .num_standard = sizeof(airo_handler)/sizeof(iw_handler),
7589 .num_private = sizeof(airo_private_handler)/sizeof(iw_handler),
7590 .num_private_args = sizeof(airo_private_args)/sizeof(struct iw_priv_args),
7591 .standard = airo_handler,
7592 .private = airo_private_handler,
7593 .private_args = airo_private_args,
7594 .get_wireless_stats = airo_get_wireless_stats,
7595 };
7596
7597 /*
7598 * This defines the configuration part of the Wireless Extensions
7599 * Note : irq and spinlock protection will occur in the subroutines
7600 *
7601 * TODO :
7602 * o Check input value more carefully and fill correct values in range
7603 * o Test and shakeout the bugs (if any)
7604 *
7605 * Jean II
7606 *
7607 * Javier Achirica did a great job of merging code from the unnamed CISCO
7608 * developer that added support for flashing the card.
7609 */
7610 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7611 {
7612 int rc = 0;
7613 struct airo_info *ai = (struct airo_info *)dev->priv;
7614
7615 if (ai->power.event)
7616 return 0;
7617
7618 switch (cmd) {
7619 #ifdef CISCO_EXT
7620 case AIROIDIFC:
7621 #ifdef AIROOLDIDIFC
7622 case AIROOLDIDIFC:
7623 #endif
7624 {
7625 int val = AIROMAGIC;
7626 aironet_ioctl com;
7627 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7628 rc = -EFAULT;
7629 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7630 rc = -EFAULT;
7631 }
7632 break;
7633
7634 case AIROIOCTL:
7635 #ifdef AIROOLDIOCTL
7636 case AIROOLDIOCTL:
7637 #endif
7638 /* Get the command struct and hand it off for evaluation by
7639 * the proper subfunction
7640 */
7641 {
7642 aironet_ioctl com;
7643 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7644 rc = -EFAULT;
7645 break;
7646 }
7647
7648 /* Separate R/W functions bracket legality here
7649 */
7650 if ( com.command == AIRORSWVERSION ) {
7651 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7652 rc = -EFAULT;
7653 else
7654 rc = 0;
7655 }
7656 else if ( com.command <= AIRORRID)
7657 rc = readrids(dev,&com);
7658 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7659 rc = writerids(dev,&com);
7660 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7661 rc = flashcard(dev,&com);
7662 else
7663 rc = -EINVAL; /* Bad command in ioctl */
7664 }
7665 break;
7666 #endif /* CISCO_EXT */
7667
7668 // All other calls are currently unsupported
7669 default:
7670 rc = -EOPNOTSUPP;
7671 }
7672 return rc;
7673 }
7674
7675 /*
7676 * Get the Wireless stats out of the driver
7677 * Note : irq and spinlock protection will occur in the subroutines
7678 *
7679 * TODO :
7680 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7681 *
7682 * Jean
7683 */
7684 static void airo_read_wireless_stats(struct airo_info *local)
7685 {
7686 StatusRid status_rid;
7687 StatsRid stats_rid;
7688 CapabilityRid cap_rid;
7689 u32 *vals = stats_rid.vals;
7690
7691 /* Get stats out of the card */
7692 clear_bit(JOB_WSTATS, &local->jobs);
7693 if (local->power.event) {
7694 up(&local->sem);
7695 return;
7696 }
7697 readCapabilityRid(local, &cap_rid, 0);
7698 readStatusRid(local, &status_rid, 0);
7699 readStatsRid(local, &stats_rid, RID_STATS, 0);
7700 up(&local->sem);
7701
7702 /* The status */
7703 local->wstats.status = status_rid.mode;
7704
7705 /* Signal quality and co */
7706 if (local->rssi) {
7707 local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
7708 /* normalizedSignalStrength appears to be a percentage */
7709 local->wstats.qual.qual = status_rid.normalizedSignalStrength;
7710 } else {
7711 local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
7712 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7713 }
7714 if (status_rid.len >= 124) {
7715 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7716 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7717 } else {
7718 local->wstats.qual.noise = 0;
7719 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7720 }
7721
7722 /* Packets discarded in the wireless adapter due to wireless
7723 * specific problems */
7724 local->wstats.discard.nwid = vals[56] + vals[57] + vals[58];/* SSID Mismatch */
7725 local->wstats.discard.code = vals[6];/* RxWepErr */
7726 local->wstats.discard.fragment = vals[30];
7727 local->wstats.discard.retries = vals[10];
7728 local->wstats.discard.misc = vals[1] + vals[32];
7729 local->wstats.miss.beacon = vals[34];
7730 }
7731
7732 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7733 {
7734 struct airo_info *local = dev->priv;
7735
7736 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7737 /* Get stats out of the card if available */
7738 if (down_trylock(&local->sem) != 0) {
7739 set_bit(JOB_WSTATS, &local->jobs);
7740 wake_up_interruptible(&local->thr_wait);
7741 } else
7742 airo_read_wireless_stats(local);
7743 }
7744
7745 return &local->wstats;
7746 }
7747
7748 #ifdef CISCO_EXT
7749 /*
7750 * This just translates from driver IOCTL codes to the command codes to
7751 * feed to the radio's host interface. Things can be added/deleted
7752 * as needed. This represents the READ side of control I/O to
7753 * the card
7754 */
7755 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7756 unsigned short ridcode;
7757 unsigned char *iobuf;
7758 int len;
7759 struct airo_info *ai = dev->priv;
7760 Resp rsp;
7761
7762 if (test_bit(FLAG_FLASHING, &ai->flags))
7763 return -EIO;
7764
7765 switch(comp->command)
7766 {
7767 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7768 case AIROGCFG: ridcode = RID_CONFIG;
7769 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7770 disable_MAC (ai, 1);
7771 writeConfigRid (ai, 1);
7772 enable_MAC (ai, &rsp, 1);
7773 }
7774 break;
7775 case AIROGSLIST: ridcode = RID_SSID; break;
7776 case AIROGVLIST: ridcode = RID_APLIST; break;
7777 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7778 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7779 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7780 /* Only super-user can read WEP keys */
7781 if (!capable(CAP_NET_ADMIN))
7782 return -EPERM;
7783 break;
7784 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7785 /* Only super-user can read WEP keys */
7786 if (!capable(CAP_NET_ADMIN))
7787 return -EPERM;
7788 break;
7789 case AIROGSTAT: ridcode = RID_STATUS; break;
7790 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7791 case AIROGSTATSC32: ridcode = RID_STATS; break;
7792 case AIROGMICSTATS:
7793 if (copy_to_user(comp->data, &ai->micstats,
7794 min((int)comp->len,(int)sizeof(ai->micstats))))
7795 return -EFAULT;
7796 return 0;
7797 case AIRORRID: ridcode = comp->ridnum; break;
7798 default:
7799 return -EINVAL;
7800 break;
7801 }
7802
7803 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7804 return -ENOMEM;
7805
7806 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7807 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7808 * then return it to the user
7809 * 9/22/2000 Honor user given length
7810 */
7811 len = comp->len;
7812
7813 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7814 kfree (iobuf);
7815 return -EFAULT;
7816 }
7817 kfree (iobuf);
7818 return 0;
7819 }
7820
7821 /*
7822 * Danger Will Robinson write the rids here
7823 */
7824
7825 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7826 struct airo_info *ai = dev->priv;
7827 int ridcode;
7828 int enabled;
7829 Resp rsp;
7830 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7831 unsigned char *iobuf;
7832
7833 /* Only super-user can write RIDs */
7834 if (!capable(CAP_NET_ADMIN))
7835 return -EPERM;
7836
7837 if (test_bit(FLAG_FLASHING, &ai->flags))
7838 return -EIO;
7839
7840 ridcode = 0;
7841 writer = do_writerid;
7842
7843 switch(comp->command)
7844 {
7845 case AIROPSIDS: ridcode = RID_SSID; break;
7846 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7847 case AIROPAPLIST: ridcode = RID_APLIST; break;
7848 case AIROPCFG: ai->config.len = 0;
7849 clear_bit(FLAG_COMMIT, &ai->flags);
7850 ridcode = RID_CONFIG; break;
7851 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7852 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7853 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7854 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7855 break;
7856 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7857 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7858
7859 /* this is not really a rid but a command given to the card
7860 * same with MAC off
7861 */
7862 case AIROPMACON:
7863 if (enable_MAC(ai, &rsp, 1) != 0)
7864 return -EIO;
7865 return 0;
7866
7867 /*
7868 * Evidently this code in the airo driver does not get a symbol
7869 * as disable_MAC. it's probably so short the compiler does not gen one.
7870 */
7871 case AIROPMACOFF:
7872 disable_MAC(ai, 1);
7873 return 0;
7874
7875 /* This command merely clears the counts does not actually store any data
7876 * only reads rid. But as it changes the cards state, I put it in the
7877 * writerid routines.
7878 */
7879 case AIROPSTCLR:
7880 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7881 return -ENOMEM;
7882
7883 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7884
7885 enabled = ai->micstats.enabled;
7886 memset(&ai->micstats,0,sizeof(ai->micstats));
7887 ai->micstats.enabled = enabled;
7888
7889 if (copy_to_user(comp->data, iobuf,
7890 min((int)comp->len, (int)RIDSIZE))) {
7891 kfree (iobuf);
7892 return -EFAULT;
7893 }
7894 kfree (iobuf);
7895 return 0;
7896
7897 default:
7898 return -EOPNOTSUPP; /* Blarg! */
7899 }
7900 if(comp->len > RIDSIZE)
7901 return -EINVAL;
7902
7903 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7904 return -ENOMEM;
7905
7906 if (copy_from_user(iobuf,comp->data,comp->len)) {
7907 kfree (iobuf);
7908 return -EFAULT;
7909 }
7910
7911 if (comp->command == AIROPCFG) {
7912 ConfigRid *cfg = (ConfigRid *)iobuf;
7913
7914 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7915 cfg->opmode |= MODE_MIC;
7916
7917 if ((cfg->opmode & 0xFF) == MODE_STA_IBSS)
7918 set_bit (FLAG_ADHOC, &ai->flags);
7919 else
7920 clear_bit (FLAG_ADHOC, &ai->flags);
7921 }
7922
7923 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7924 kfree (iobuf);
7925 return -EIO;
7926 }
7927 kfree (iobuf);
7928 return 0;
7929 }
7930
7931 /*****************************************************************************
7932 * Ancillary flash / mod functions much black magic lurkes here *
7933 *****************************************************************************
7934 */
7935
7936 /*
7937 * Flash command switch table
7938 */
7939
7940 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7941 int z;
7942
7943 /* Only super-user can modify flash */
7944 if (!capable(CAP_NET_ADMIN))
7945 return -EPERM;
7946
7947 switch(comp->command)
7948 {
7949 case AIROFLSHRST:
7950 return cmdreset((struct airo_info *)dev->priv);
7951
7952 case AIROFLSHSTFL:
7953 if (!((struct airo_info *)dev->priv)->flash &&
7954 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7955 return -ENOMEM;
7956 return setflashmode((struct airo_info *)dev->priv);
7957
7958 case AIROFLSHGCHR: /* Get char from aux */
7959 if(comp->len != sizeof(int))
7960 return -EINVAL;
7961 if (copy_from_user(&z,comp->data,comp->len))
7962 return -EFAULT;
7963 return flashgchar((struct airo_info *)dev->priv,z,8000);
7964
7965 case AIROFLSHPCHR: /* Send char to card. */
7966 if(comp->len != sizeof(int))
7967 return -EINVAL;
7968 if (copy_from_user(&z,comp->data,comp->len))
7969 return -EFAULT;
7970 return flashpchar((struct airo_info *)dev->priv,z,8000);
7971
7972 case AIROFLPUTBUF: /* Send 32k to card */
7973 if (!((struct airo_info *)dev->priv)->flash)
7974 return -ENOMEM;
7975 if(comp->len > FLASHSIZE)
7976 return -EINVAL;
7977 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7978 return -EFAULT;
7979
7980 flashputbuf((struct airo_info *)dev->priv);
7981 return 0;
7982
7983 case AIRORESTART:
7984 if(flashrestart((struct airo_info *)dev->priv,dev))
7985 return -EIO;
7986 return 0;
7987 }
7988 return -EINVAL;
7989 }
7990
7991 #define FLASH_COMMAND 0x7e7e
7992
7993 /*
7994 * STEP 1)
7995 * Disable MAC and do soft reset on
7996 * card.
7997 */
7998
7999 static int cmdreset(struct airo_info *ai) {
8000 disable_MAC(ai, 1);
8001
8002 if(!waitbusy (ai)){
8003 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8004 return -EBUSY;
8005 }
8006
8007 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8008
8009 ssleep(1); /* WAS 600 12/7/00 */
8010
8011 if(!waitbusy (ai)){
8012 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8013 return -EBUSY;
8014 }
8015 return 0;
8016 }
8017
8018 /* STEP 2)
8019 * Put the card in legendary flash
8020 * mode
8021 */
8022
8023 static int setflashmode (struct airo_info *ai) {
8024 set_bit (FLAG_FLASHING, &ai->flags);
8025
8026 OUT4500(ai, SWS0, FLASH_COMMAND);
8027 OUT4500(ai, SWS1, FLASH_COMMAND);
8028 if (probe) {
8029 OUT4500(ai, SWS0, FLASH_COMMAND);
8030 OUT4500(ai, COMMAND,0x10);
8031 } else {
8032 OUT4500(ai, SWS2, FLASH_COMMAND);
8033 OUT4500(ai, SWS3, FLASH_COMMAND);
8034 OUT4500(ai, COMMAND,0);
8035 }
8036 msleep(500); /* 500ms delay */
8037
8038 if(!waitbusy(ai)) {
8039 clear_bit (FLAG_FLASHING, &ai->flags);
8040 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8041 return -EIO;
8042 }
8043 return 0;
8044 }
8045
8046 /* Put character to SWS0 wait for dwelltime
8047 * x 50us for echo .
8048 */
8049
8050 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8051 int echo;
8052 int waittime;
8053
8054 byte |= 0x8000;
8055
8056 if(dwelltime == 0 )
8057 dwelltime = 200;
8058
8059 waittime=dwelltime;
8060
8061 /* Wait for busy bit d15 to go false indicating buffer empty */
8062 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8063 udelay (50);
8064 waittime -= 50;
8065 }
8066
8067 /* timeout for busy clear wait */
8068 if(waittime <= 0 ){
8069 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8070 return -EBUSY;
8071 }
8072
8073 /* Port is clear now write byte and wait for it to echo back */
8074 do {
8075 OUT4500(ai,SWS0,byte);
8076 udelay(50);
8077 dwelltime -= 50;
8078 echo = IN4500(ai,SWS1);
8079 } while (dwelltime >= 0 && echo != byte);
8080
8081 OUT4500(ai,SWS1,0);
8082
8083 return (echo == byte) ? 0 : -EIO;
8084 }
8085
8086 /*
8087 * Get a character from the card matching matchbyte
8088 * Step 3)
8089 */
8090 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8091 int rchar;
8092 unsigned char rbyte=0;
8093
8094 do {
8095 rchar = IN4500(ai,SWS1);
8096
8097 if(dwelltime && !(0x8000 & rchar)){
8098 dwelltime -= 10;
8099 mdelay(10);
8100 continue;
8101 }
8102 rbyte = 0xff & rchar;
8103
8104 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8105 OUT4500(ai,SWS1,0);
8106 return 0;
8107 }
8108 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8109 break;
8110 OUT4500(ai,SWS1,0);
8111
8112 }while(dwelltime > 0);
8113 return -EIO;
8114 }
8115
8116 /*
8117 * Transfer 32k of firmware data from user buffer to our buffer and
8118 * send to the card
8119 */
8120
8121 static int flashputbuf(struct airo_info *ai){
8122 int nwords;
8123
8124 /* Write stuff */
8125 if (test_bit(FLAG_MPI,&ai->flags))
8126 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8127 else {
8128 OUT4500(ai,AUXPAGE,0x100);
8129 OUT4500(ai,AUXOFF,0);
8130
8131 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8132 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8133 }
8134 }
8135 OUT4500(ai,SWS0,0x8000);
8136
8137 return 0;
8138 }
8139
8140 /*
8141 *
8142 */
8143 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8144 int i,status;
8145
8146 ssleep(1); /* Added 12/7/00 */
8147 clear_bit (FLAG_FLASHING, &ai->flags);
8148 if (test_bit(FLAG_MPI, &ai->flags)) {
8149 status = mpi_init_descriptors(ai);
8150 if (status != SUCCESS)
8151 return status;
8152 }
8153 status = setup_card(ai, dev->dev_addr, 1);
8154
8155 if (!test_bit(FLAG_MPI,&ai->flags))
8156 for( i = 0; i < MAX_FIDS; i++ ) {
8157 ai->fids[i] = transmit_allocate
8158 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8159 }
8160
8161 ssleep(1); /* Added 12/7/00 */
8162 return status;
8163 }
8164 #endif /* CISCO_EXT */
8165
8166 /*
8167 This program is free software; you can redistribute it and/or
8168 modify it under the terms of the GNU General Public License
8169 as published by the Free Software Foundation; either version 2
8170 of the License, or (at your option) any later version.
8171
8172 This program is distributed in the hope that it will be useful,
8173 but WITHOUT ANY WARRANTY; without even the implied warranty of
8174 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8175 GNU General Public License for more details.
8176
8177 In addition:
8178
8179 Redistribution and use in source and binary forms, with or without
8180 modification, are permitted provided that the following conditions
8181 are met:
8182
8183 1. Redistributions of source code must retain the above copyright
8184 notice, this list of conditions and the following disclaimer.
8185 2. Redistributions in binary form must reproduce the above copyright
8186 notice, this list of conditions and the following disclaimer in the
8187 documentation and/or other materials provided with the distribution.
8188 3. The name of the author may not be used to endorse or promote
8189 products derived from this software without specific prior written
8190 permission.
8191
8192 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8193 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8194 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8195 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8196 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8197 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8198 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8199 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8200 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8201 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8202 POSSIBILITY OF SUCH DAMAGE.
8203 */
8204
8205 module_init(airo_init_module);
8206 module_exit(airo_cleanup_module);
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