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Linux 2.6.20.7
[linux/fpc-iii.git] / drivers / net / wireless / airo.c
blob44a22701da9734df0155a7323cc574ee6752c071
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 #include <linux/smp_lock.h>
29
30 #include <linux/sched.h>
31 #include <linux/ptrace.h>
32 #include <linux/slab.h>
33 #include <linux/string.h>
34 #include <linux/timer.h>
35 #include <linux/interrupt.h>
36 #include <linux/in.h>
37 #include <linux/bitops.h>
38 #include <linux/scatterlist.h>
39 #include <linux/crypto.h>
40 #include <asm/io.h>
41 #include <asm/system.h>
42
43 #include <linux/netdevice.h>
44 #include <linux/etherdevice.h>
45 #include <linux/skbuff.h>
46 #include <linux/if_arp.h>
47 #include <linux/ioport.h>
48 #include <linux/pci.h>
49 #include <asm/uaccess.h>
50 #include <net/ieee80211.h>
51 #include <linux/kthread.h>
52 #include <linux/freezer.h>
53
54 #include "airo.h"
55
56 #ifdef CONFIG_PCI
57 static struct pci_device_id card_ids[] = {
58 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
59 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
60 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
61 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
62 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
63 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0, }
66 };
67 MODULE_DEVICE_TABLE(pci, card_ids);
68
69 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
70 static void airo_pci_remove(struct pci_dev *);
71 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
72 static int airo_pci_resume(struct pci_dev *pdev);
73
74 static struct pci_driver airo_driver = {
75 .name = "airo",
76 .id_table = card_ids,
77 .probe = airo_pci_probe,
78 .remove = __devexit_p(airo_pci_remove),
79 .suspend = airo_pci_suspend,
80 .resume = airo_pci_resume,
81 };
82 #endif /* CONFIG_PCI */
83
84 /* Include Wireless Extension definition and check version - Jean II */
85 #include <linux/wireless.h>
86 #define WIRELESS_SPY // enable iwspy support
87 #include <net/iw_handler.h> // New driver API
88
89 #define CISCO_EXT // enable Cisco extensions
90 #ifdef CISCO_EXT
91 #include <linux/delay.h>
92 #endif
93
94 /* Hack to do some power saving */
95 #define POWER_ON_DOWN
96
97 /* As you can see this list is HUGH!
98 I really don't know what a lot of these counts are about, but they
99 are all here for completeness. If the IGNLABEL macro is put in
100 infront of the label, that statistic will not be included in the list
101 of statistics in the /proc filesystem */
102
103 #define IGNLABEL(comment) NULL
104 static char *statsLabels[] = {
105 "RxOverrun",
106 IGNLABEL("RxPlcpCrcErr"),
107 IGNLABEL("RxPlcpFormatErr"),
108 IGNLABEL("RxPlcpLengthErr"),
109 "RxMacCrcErr",
110 "RxMacCrcOk",
111 "RxWepErr",
112 "RxWepOk",
113 "RetryLong",
114 "RetryShort",
115 "MaxRetries",
116 "NoAck",
117 "NoCts",
118 "RxAck",
119 "RxCts",
120 "TxAck",
121 "TxRts",
122 "TxCts",
123 "TxMc",
124 "TxBc",
125 "TxUcFrags",
126 "TxUcPackets",
127 "TxBeacon",
128 "RxBeacon",
129 "TxSinColl",
130 "TxMulColl",
131 "DefersNo",
132 "DefersProt",
133 "DefersEngy",
134 "DupFram",
135 "RxFragDisc",
136 "TxAged",
137 "RxAged",
138 "LostSync-MaxRetry",
139 "LostSync-MissedBeacons",
140 "LostSync-ArlExceeded",
141 "LostSync-Deauth",
142 "LostSync-Disassoced",
143 "LostSync-TsfTiming",
144 "HostTxMc",
145 "HostTxBc",
146 "HostTxUc",
147 "HostTxFail",
148 "HostRxMc",
149 "HostRxBc",
150 "HostRxUc",
151 "HostRxDiscard",
152 IGNLABEL("HmacTxMc"),
153 IGNLABEL("HmacTxBc"),
154 IGNLABEL("HmacTxUc"),
155 IGNLABEL("HmacTxFail"),
156 IGNLABEL("HmacRxMc"),
157 IGNLABEL("HmacRxBc"),
158 IGNLABEL("HmacRxUc"),
159 IGNLABEL("HmacRxDiscard"),
160 IGNLABEL("HmacRxAccepted"),
161 "SsidMismatch",
162 "ApMismatch",
163 "RatesMismatch",
164 "AuthReject",
165 "AuthTimeout",
166 "AssocReject",
167 "AssocTimeout",
168 IGNLABEL("ReasonOutsideTable"),
169 IGNLABEL("ReasonStatus1"),
170 IGNLABEL("ReasonStatus2"),
171 IGNLABEL("ReasonStatus3"),
172 IGNLABEL("ReasonStatus4"),
173 IGNLABEL("ReasonStatus5"),
174 IGNLABEL("ReasonStatus6"),
175 IGNLABEL("ReasonStatus7"),
176 IGNLABEL("ReasonStatus8"),
177 IGNLABEL("ReasonStatus9"),
178 IGNLABEL("ReasonStatus10"),
179 IGNLABEL("ReasonStatus11"),
180 IGNLABEL("ReasonStatus12"),
181 IGNLABEL("ReasonStatus13"),
182 IGNLABEL("ReasonStatus14"),
183 IGNLABEL("ReasonStatus15"),
184 IGNLABEL("ReasonStatus16"),
185 IGNLABEL("ReasonStatus17"),
186 IGNLABEL("ReasonStatus18"),
187 IGNLABEL("ReasonStatus19"),
188 "RxMan",
189 "TxMan",
190 "RxRefresh",
191 "TxRefresh",
192 "RxPoll",
193 "TxPoll",
194 "HostRetries",
195 "LostSync-HostReq",
196 "HostTxBytes",
197 "HostRxBytes",
198 "ElapsedUsec",
199 "ElapsedSec",
200 "LostSyncBetterAP",
201 "PrivacyMismatch",
202 "Jammed",
203 "DiscRxNotWepped",
204 "PhyEleMismatch",
205 (char*)-1 };
206 #ifndef RUN_AT
207 #define RUN_AT(x) (jiffies+(x))
208 #endif
209
210
211 /* These variables are for insmod, since it seems that the rates
212 can only be set in setup_card. Rates should be a comma separated
213 (no spaces) list of rates (up to 8). */
214
215 static int rates[8];
216 static int basic_rate;
217 static char *ssids[3];
218
219 static int io[4];
220 static int irq[4];
221
222 static
223 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
224 0 means no limit. For old cards this was 4 */
225
226 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
227 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
228 the bap, needed on some older cards and buses. */
229 static int adhoc;
230
231 static int probe = 1;
232
233 static int proc_uid /* = 0 */;
234
235 static int proc_gid /* = 0 */;
236
237 static int airo_perm = 0555;
238
239 static int proc_perm = 0644;
240
241 MODULE_AUTHOR("Benjamin Reed");
242 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
243 cards. Direct support for ISA/PCI/MPI cards and support \
244 for PCMCIA when used with airo_cs.");
245 MODULE_LICENSE("Dual BSD/GPL");
246 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
247 module_param_array(io, int, NULL, 0);
248 module_param_array(irq, int, NULL, 0);
249 module_param(basic_rate, int, 0);
250 module_param_array(rates, int, NULL, 0);
251 module_param_array(ssids, charp, NULL, 0);
252 module_param(auto_wep, int, 0);
253 MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
254 the authentication options until an association is made. The value of \
255 auto_wep is number of the wep keys to check. A value of 2 will try using \
256 the key at index 0 and index 1.");
257 module_param(aux_bap, int, 0);
258 MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
259 than seems to work better for older cards with some older buses. Before \
260 switching it checks that the switch is needed.");
261 module_param(maxencrypt, int, 0);
262 MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
263 encryption. Units are in 512kbs. Zero (default) means there is no limit. \
264 Older cards used to be limited to 2mbs (4).");
265 module_param(adhoc, int, 0);
266 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
267 module_param(probe, int, 0);
268 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
269
270 module_param(proc_uid, int, 0);
271 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
272 module_param(proc_gid, int, 0);
273 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
274 module_param(airo_perm, int, 0);
275 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
276 module_param(proc_perm, int, 0);
277 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
278
279 /* This is a kind of sloppy hack to get this information to OUT4500 and
280 IN4500. I would be extremely interested in the situation where this
281 doesn't work though!!! */
282 static int do8bitIO = 0;
283
284 /* Return codes */
285 #define SUCCESS 0
286 #define ERROR -1
287 #define NO_PACKET -2
288
289 /* Commands */
290 #define NOP2 0x0000
291 #define MAC_ENABLE 0x0001
292 #define MAC_DISABLE 0x0002
293 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
294 #define CMD_SOFTRESET 0x0004
295 #define HOSTSLEEP 0x0005
296 #define CMD_MAGIC_PKT 0x0006
297 #define CMD_SETWAKEMASK 0x0007
298 #define CMD_READCFG 0x0008
299 #define CMD_SETMODE 0x0009
300 #define CMD_ALLOCATETX 0x000a
301 #define CMD_TRANSMIT 0x000b
302 #define CMD_DEALLOCATETX 0x000c
303 #define NOP 0x0010
304 #define CMD_WORKAROUND 0x0011
305 #define CMD_ALLOCATEAUX 0x0020
306 #define CMD_ACCESS 0x0021
307 #define CMD_PCIBAP 0x0022
308 #define CMD_PCIAUX 0x0023
309 #define CMD_ALLOCBUF 0x0028
310 #define CMD_GETTLV 0x0029
311 #define CMD_PUTTLV 0x002a
312 #define CMD_DELTLV 0x002b
313 #define CMD_FINDNEXTTLV 0x002c
314 #define CMD_PSPNODES 0x0030
315 #define CMD_SETCW 0x0031
316 #define CMD_SETPCF 0x0032
317 #define CMD_SETPHYREG 0x003e
318 #define CMD_TXTEST 0x003f
319 #define MAC_ENABLETX 0x0101
320 #define CMD_LISTBSS 0x0103
321 #define CMD_SAVECFG 0x0108
322 #define CMD_ENABLEAUX 0x0111
323 #define CMD_WRITERID 0x0121
324 #define CMD_USEPSPNODES 0x0130
325 #define MAC_ENABLERX 0x0201
326
327 /* Command errors */
328 #define ERROR_QUALIF 0x00
329 #define ERROR_ILLCMD 0x01
330 #define ERROR_ILLFMT 0x02
331 #define ERROR_INVFID 0x03
332 #define ERROR_INVRID 0x04
333 #define ERROR_LARGE 0x05
334 #define ERROR_NDISABL 0x06
335 #define ERROR_ALLOCBSY 0x07
336 #define ERROR_NORD 0x0B
337 #define ERROR_NOWR 0x0C
338 #define ERROR_INVFIDTX 0x0D
339 #define ERROR_TESTACT 0x0E
340 #define ERROR_TAGNFND 0x12
341 #define ERROR_DECODE 0x20
342 #define ERROR_DESCUNAV 0x21
343 #define ERROR_BADLEN 0x22
344 #define ERROR_MODE 0x80
345 #define ERROR_HOP 0x81
346 #define ERROR_BINTER 0x82
347 #define ERROR_RXMODE 0x83
348 #define ERROR_MACADDR 0x84
349 #define ERROR_RATES 0x85
350 #define ERROR_ORDER 0x86
351 #define ERROR_SCAN 0x87
352 #define ERROR_AUTH 0x88
353 #define ERROR_PSMODE 0x89
354 #define ERROR_RTYPE 0x8A
355 #define ERROR_DIVER 0x8B
356 #define ERROR_SSID 0x8C
357 #define ERROR_APLIST 0x8D
358 #define ERROR_AUTOWAKE 0x8E
359 #define ERROR_LEAP 0x8F
360
361 /* Registers */
362 #define COMMAND 0x00
363 #define PARAM0 0x02
364 #define PARAM1 0x04
365 #define PARAM2 0x06
366 #define STATUS 0x08
367 #define RESP0 0x0a
368 #define RESP1 0x0c
369 #define RESP2 0x0e
370 #define LINKSTAT 0x10
371 #define SELECT0 0x18
372 #define OFFSET0 0x1c
373 #define RXFID 0x20
374 #define TXALLOCFID 0x22
375 #define TXCOMPLFID 0x24
376 #define DATA0 0x36
377 #define EVSTAT 0x30
378 #define EVINTEN 0x32
379 #define EVACK 0x34
380 #define SWS0 0x28
381 #define SWS1 0x2a
382 #define SWS2 0x2c
383 #define SWS3 0x2e
384 #define AUXPAGE 0x3A
385 #define AUXOFF 0x3C
386 #define AUXDATA 0x3E
387
388 #define FID_TX 1
389 #define FID_RX 2
390 /* Offset into aux memory for descriptors */
391 #define AUX_OFFSET 0x800
392 /* Size of allocated packets */
393 #define PKTSIZE 1840
394 #define RIDSIZE 2048
395 /* Size of the transmit queue */
396 #define MAXTXQ 64
397
398 /* BAP selectors */
399 #define BAP0 0 // Used for receiving packets
400 #define BAP1 2 // Used for xmiting packets and working with RIDS
401
402 /* Flags */
403 #define COMMAND_BUSY 0x8000
404
405 #define BAP_BUSY 0x8000
406 #define BAP_ERR 0x4000
407 #define BAP_DONE 0x2000
408
409 #define PROMISC 0xffff
410 #define NOPROMISC 0x0000
411
412 #define EV_CMD 0x10
413 #define EV_CLEARCOMMANDBUSY 0x4000
414 #define EV_RX 0x01
415 #define EV_TX 0x02
416 #define EV_TXEXC 0x04
417 #define EV_ALLOC 0x08
418 #define EV_LINK 0x80
419 #define EV_AWAKE 0x100
420 #define EV_TXCPY 0x400
421 #define EV_UNKNOWN 0x800
422 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
423 #define EV_AWAKEN 0x2000
424 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
425
426 #ifdef CHECK_UNKNOWN_INTS
427 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
428 #else
429 #define IGNORE_INTS (~STATUS_INTS)
430 #endif
431
432 /* RID TYPES */
433 #define RID_RW 0x20
434
435 /* The RIDs */
436 #define RID_CAPABILITIES 0xFF00
437 #define RID_APINFO 0xFF01
438 #define RID_RADIOINFO 0xFF02
439 #define RID_UNKNOWN3 0xFF03
440 #define RID_RSSI 0xFF04
441 #define RID_CONFIG 0xFF10
442 #define RID_SSID 0xFF11
443 #define RID_APLIST 0xFF12
444 #define RID_DRVNAME 0xFF13
445 #define RID_ETHERENCAP 0xFF14
446 #define RID_WEP_TEMP 0xFF15
447 #define RID_WEP_PERM 0xFF16
448 #define RID_MODULATION 0xFF17
449 #define RID_OPTIONS 0xFF18
450 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
451 #define RID_FACTORYCONFIG 0xFF21
452 #define RID_UNKNOWN22 0xFF22
453 #define RID_LEAPUSERNAME 0xFF23
454 #define RID_LEAPPASSWORD 0xFF24
455 #define RID_STATUS 0xFF50
456 #define RID_BEACON_HST 0xFF51
457 #define RID_BUSY_HST 0xFF52
458 #define RID_RETRIES_HST 0xFF53
459 #define RID_UNKNOWN54 0xFF54
460 #define RID_UNKNOWN55 0xFF55
461 #define RID_UNKNOWN56 0xFF56
462 #define RID_MIC 0xFF57
463 #define RID_STATS16 0xFF60
464 #define RID_STATS16DELTA 0xFF61
465 #define RID_STATS16DELTACLEAR 0xFF62
466 #define RID_STATS 0xFF68
467 #define RID_STATSDELTA 0xFF69
468 #define RID_STATSDELTACLEAR 0xFF6A
469 #define RID_ECHOTEST_RID 0xFF70
470 #define RID_ECHOTEST_RESULTS 0xFF71
471 #define RID_BSSLISTFIRST 0xFF72
472 #define RID_BSSLISTNEXT 0xFF73
473 #define RID_WPA_BSSLISTFIRST 0xFF74
474 #define RID_WPA_BSSLISTNEXT 0xFF75
475
476 typedef struct {
477 u16 cmd;
478 u16 parm0;
479 u16 parm1;
480 u16 parm2;
481 } Cmd;
482
483 typedef struct {
484 u16 status;
485 u16 rsp0;
486 u16 rsp1;
487 u16 rsp2;
488 } Resp;
489
490 /*
491 * Rids and endian-ness: The Rids will always be in cpu endian, since
492 * this all the patches from the big-endian guys end up doing that.
493 * so all rid access should use the read/writeXXXRid routines.
494 */
495
496 /* This is redundant for x86 archs, but it seems necessary for ARM */
497 #pragma pack(1)
498
499 /* This structure came from an email sent to me from an engineer at
500 aironet for inclusion into this driver */
501 typedef struct {
502 u16 len;
503 u16 kindex;
504 u8 mac[ETH_ALEN];
505 u16 klen;
506 u8 key[16];
507 } WepKeyRid;
508
509 /* These structures are from the Aironet's PC4500 Developers Manual */
510 typedef struct {
511 u16 len;
512 u8 ssid[32];
513 } Ssid;
514
515 typedef struct {
516 u16 len;
517 Ssid ssids[3];
518 } SsidRid;
519
520 typedef struct {
521 u16 len;
522 u16 modulation;
523 #define MOD_DEFAULT 0
524 #define MOD_CCK 1
525 #define MOD_MOK 2
526 } ModulationRid;
527
528 typedef struct {
529 u16 len; /* sizeof(ConfigRid) */
530 u16 opmode; /* operating mode */
531 #define MODE_STA_IBSS 0
532 #define MODE_STA_ESS 1
533 #define MODE_AP 2
534 #define MODE_AP_RPTR 3
535 #define MODE_ETHERNET_HOST (0<<8) /* rx payloads converted */
536 #define MODE_LLC_HOST (1<<8) /* rx payloads left as is */
537 #define MODE_AIRONET_EXTEND (1<<9) /* enable Aironet extenstions */
538 #define MODE_AP_INTERFACE (1<<10) /* enable ap interface extensions */
539 #define MODE_ANTENNA_ALIGN (1<<11) /* enable antenna alignment */
540 #define MODE_ETHER_LLC (1<<12) /* enable ethernet LLC */
541 #define MODE_LEAF_NODE (1<<13) /* enable leaf node bridge */
542 #define MODE_CF_POLLABLE (1<<14) /* enable CF pollable */
543 #define MODE_MIC (1<<15) /* enable MIC */
544 u16 rmode; /* receive mode */
545 #define RXMODE_BC_MC_ADDR 0
546 #define RXMODE_BC_ADDR 1 /* ignore multicasts */
547 #define RXMODE_ADDR 2 /* ignore multicast and broadcast */
548 #define RXMODE_RFMON 3 /* wireless monitor mode */
549 #define RXMODE_RFMON_ANYBSS 4
550 #define RXMODE_LANMON 5 /* lan style monitor -- data packets only */
551 #define RXMODE_DISABLE_802_3_HEADER (1<<8) /* disables 802.3 header on rx */
552 #define RXMODE_NORMALIZED_RSSI (1<<9) /* return normalized RSSI */
553 u16 fragThresh;
554 u16 rtsThres;
555 u8 macAddr[ETH_ALEN];
556 u8 rates[8];
557 u16 shortRetryLimit;
558 u16 longRetryLimit;
559 u16 txLifetime; /* in kusec */
560 u16 rxLifetime; /* in kusec */
561 u16 stationary;
562 u16 ordering;
563 u16 u16deviceType; /* for overriding device type */
564 u16 cfpRate;
565 u16 cfpDuration;
566 u16 _reserved1[3];
567 /*---------- Scanning/Associating ----------*/
568 u16 scanMode;
569 #define SCANMODE_ACTIVE 0
570 #define SCANMODE_PASSIVE 1
571 #define SCANMODE_AIROSCAN 2
572 u16 probeDelay; /* in kusec */
573 u16 probeEnergyTimeout; /* in kusec */
574 u16 probeResponseTimeout;
575 u16 beaconListenTimeout;
576 u16 joinNetTimeout;
577 u16 authTimeout;
578 u16 authType;
579 #define AUTH_OPEN 0x1
580 #define AUTH_ENCRYPT 0x101
581 #define AUTH_SHAREDKEY 0x102
582 #define AUTH_ALLOW_UNENCRYPTED 0x200
583 u16 associationTimeout;
584 u16 specifiedApTimeout;
585 u16 offlineScanInterval;
586 u16 offlineScanDuration;
587 u16 linkLossDelay;
588 u16 maxBeaconLostTime;
589 u16 refreshInterval;
590 #define DISABLE_REFRESH 0xFFFF
591 u16 _reserved1a[1];
592 /*---------- Power save operation ----------*/
593 u16 powerSaveMode;
594 #define POWERSAVE_CAM 0
595 #define POWERSAVE_PSP 1
596 #define POWERSAVE_PSPCAM 2
597 u16 sleepForDtims;
598 u16 listenInterval;
599 u16 fastListenInterval;
600 u16 listenDecay;
601 u16 fastListenDelay;
602 u16 _reserved2[2];
603 /*---------- Ap/Ibss config items ----------*/
604 u16 beaconPeriod;
605 u16 atimDuration;
606 u16 hopPeriod;
607 u16 channelSet;
608 u16 channel;
609 u16 dtimPeriod;
610 u16 bridgeDistance;
611 u16 radioID;
612 /*---------- Radio configuration ----------*/
613 u16 radioType;
614 #define RADIOTYPE_DEFAULT 0
615 #define RADIOTYPE_802_11 1
616 #define RADIOTYPE_LEGACY 2
617 u8 rxDiversity;
618 u8 txDiversity;
619 u16 txPower;
620 #define TXPOWER_DEFAULT 0
621 u16 rssiThreshold;
622 #define RSSI_DEFAULT 0
623 u16 modulation;
624 #define PREAMBLE_AUTO 0
625 #define PREAMBLE_LONG 1
626 #define PREAMBLE_SHORT 2
627 u16 preamble;
628 u16 homeProduct;
629 u16 radioSpecific;
630 /*---------- Aironet Extensions ----------*/
631 u8 nodeName[16];
632 u16 arlThreshold;
633 u16 arlDecay;
634 u16 arlDelay;
635 u16 _reserved4[1];
636 /*---------- Aironet Extensions ----------*/
637 u8 magicAction;
638 #define MAGIC_ACTION_STSCHG 1
639 #define MAGIC_ACTION_RESUME 2
640 #define MAGIC_IGNORE_MCAST (1<<8)
641 #define MAGIC_IGNORE_BCAST (1<<9)
642 #define MAGIC_SWITCH_TO_PSP (0<<10)
643 #define MAGIC_STAY_IN_CAM (1<<10)
644 u8 magicControl;
645 u16 autoWake;
646 } ConfigRid;
647
648 typedef struct {
649 u16 len;
650 u8 mac[ETH_ALEN];
651 u16 mode;
652 u16 errorCode;
653 u16 sigQuality;
654 u16 SSIDlen;
655 char SSID[32];
656 char apName[16];
657 u8 bssid[4][ETH_ALEN];
658 u16 beaconPeriod;
659 u16 dimPeriod;
660 u16 atimDuration;
661 u16 hopPeriod;
662 u16 channelSet;
663 u16 channel;
664 u16 hopsToBackbone;
665 u16 apTotalLoad;
666 u16 generatedLoad;
667 u16 accumulatedArl;
668 u16 signalQuality;
669 u16 currentXmitRate;
670 u16 apDevExtensions;
671 u16 normalizedSignalStrength;
672 u16 shortPreamble;
673 u8 apIP[4];
674 u8 noisePercent; /* Noise percent in last second */
675 u8 noisedBm; /* Noise dBm in last second */
676 u8 noiseAvePercent; /* Noise percent in last minute */
677 u8 noiseAvedBm; /* Noise dBm in last minute */
678 u8 noiseMaxPercent; /* Highest noise percent in last minute */
679 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
680 u16 load;
681 u8 carrier[4];
682 u16 assocStatus;
683 #define STAT_NOPACKETS 0
684 #define STAT_NOCARRIERSET 10
685 #define STAT_GOTCARRIERSET 11
686 #define STAT_WRONGSSID 20
687 #define STAT_BADCHANNEL 25
688 #define STAT_BADBITRATES 30
689 #define STAT_BADPRIVACY 35
690 #define STAT_APFOUND 40
691 #define STAT_APREJECTED 50
692 #define STAT_AUTHENTICATING 60
693 #define STAT_DEAUTHENTICATED 61
694 #define STAT_AUTHTIMEOUT 62
695 #define STAT_ASSOCIATING 70
696 #define STAT_DEASSOCIATED 71
697 #define STAT_ASSOCTIMEOUT 72
698 #define STAT_NOTAIROAP 73
699 #define STAT_ASSOCIATED 80
700 #define STAT_LEAPING 90
701 #define STAT_LEAPFAILED 91
702 #define STAT_LEAPTIMEDOUT 92
703 #define STAT_LEAPCOMPLETE 93
704 } StatusRid;
705
706 typedef struct {
707 u16 len;
708 u16 spacer;
709 u32 vals[100];
710 } StatsRid;
711
712
713 typedef struct {
714 u16 len;
715 u8 ap[4][ETH_ALEN];
716 } APListRid;
717
718 typedef struct {
719 u16 len;
720 char oui[3];
721 char zero;
722 u16 prodNum;
723 char manName[32];
724 char prodName[16];
725 char prodVer[8];
726 char factoryAddr[ETH_ALEN];
727 char aironetAddr[ETH_ALEN];
728 u16 radioType;
729 u16 country;
730 char callid[ETH_ALEN];
731 char supportedRates[8];
732 char rxDiversity;
733 char txDiversity;
734 u16 txPowerLevels[8];
735 u16 hardVer;
736 u16 hardCap;
737 u16 tempRange;
738 u16 softVer;
739 u16 softSubVer;
740 u16 interfaceVer;
741 u16 softCap;
742 u16 bootBlockVer;
743 u16 requiredHard;
744 u16 extSoftCap;
745 } CapabilityRid;
746
747
748 /* Only present on firmware >= 5.30.17 */
749 typedef struct {
750 u16 unknown[4];
751 u8 fixed[12]; /* WLAN management frame */
752 u8 iep[624];
753 } BSSListRidExtra;
754
755 typedef struct {
756 u16 len;
757 u16 index; /* First is 0 and 0xffff means end of list */
758 #define RADIO_FH 1 /* Frequency hopping radio type */
759 #define RADIO_DS 2 /* Direct sequence radio type */
760 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
761 u16 radioType;
762 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
763 u8 zero;
764 u8 ssidLen;
765 u8 ssid[32];
766 u16 dBm;
767 #define CAP_ESS (1<<0)
768 #define CAP_IBSS (1<<1)
769 #define CAP_PRIVACY (1<<4)
770 #define CAP_SHORTHDR (1<<5)
771 u16 cap;
772 u16 beaconInterval;
773 u8 rates[8]; /* Same as rates for config rid */
774 struct { /* For frequency hopping only */
775 u16 dwell;
776 u8 hopSet;
777 u8 hopPattern;
778 u8 hopIndex;
779 u8 fill;
780 } fh;
781 u16 dsChannel;
782 u16 atimWindow;
783
784 /* Only present on firmware >= 5.30.17 */
785 BSSListRidExtra extra;
786 } BSSListRid;
787
788 typedef struct {
789 BSSListRid bss;
790 struct list_head list;
791 } BSSListElement;
792
793 typedef struct {
794 u8 rssipct;
795 u8 rssidBm;
796 } tdsRssiEntry;
797
798 typedef struct {
799 u16 len;
800 tdsRssiEntry x[256];
801 } tdsRssiRid;
802
803 typedef struct {
804 u16 len;
805 u16 state;
806 u16 multicastValid;
807 u8 multicast[16];
808 u16 unicastValid;
809 u8 unicast[16];
810 } MICRid;
811
812 typedef struct {
813 u16 typelen;
814
815 union {
816 u8 snap[8];
817 struct {
818 u8 dsap;
819 u8 ssap;
820 u8 control;
821 u8 orgcode[3];
822 u8 fieldtype[2];
823 } llc;
824 } u;
825 u32 mic;
826 u32 seq;
827 } MICBuffer;
828
829 typedef struct {
830 u8 da[ETH_ALEN];
831 u8 sa[ETH_ALEN];
832 } etherHead;
833
834 #pragma pack()
835
836 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
837 #define TXCTL_TXEX (1<<2) /* report if tx fails */
838 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
839 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
840 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
841 #define TXCTL_LLC (1<<4) /* payload is llc */
842 #define TXCTL_RELEASE (0<<5) /* release after completion */
843 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
844
845 #define BUSY_FID 0x10000
846
847 #ifdef CISCO_EXT
848 #define AIROMAGIC 0xa55a
849 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
850 #ifdef SIOCIWFIRSTPRIV
851 #ifdef SIOCDEVPRIVATE
852 #define AIROOLDIOCTL SIOCDEVPRIVATE
853 #define AIROOLDIDIFC AIROOLDIOCTL + 1
854 #endif /* SIOCDEVPRIVATE */
855 #else /* SIOCIWFIRSTPRIV */
856 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
857 #endif /* SIOCIWFIRSTPRIV */
858 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
859 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
860 * only and don't return the modified struct ifreq to the application which
861 * is usually a problem. - Jean II */
862 #define AIROIOCTL SIOCIWFIRSTPRIV
863 #define AIROIDIFC AIROIOCTL + 1
864
865 /* Ioctl constants to be used in airo_ioctl.command */
866
867 #define AIROGCAP 0 // Capability rid
868 #define AIROGCFG 1 // USED A LOT
869 #define AIROGSLIST 2 // System ID list
870 #define AIROGVLIST 3 // List of specified AP's
871 #define AIROGDRVNAM 4 // NOTUSED
872 #define AIROGEHTENC 5 // NOTUSED
873 #define AIROGWEPKTMP 6
874 #define AIROGWEPKNV 7
875 #define AIROGSTAT 8
876 #define AIROGSTATSC32 9
877 #define AIROGSTATSD32 10
878 #define AIROGMICRID 11
879 #define AIROGMICSTATS 12
880 #define AIROGFLAGS 13
881 #define AIROGID 14
882 #define AIRORRID 15
883 #define AIRORSWVERSION 17
884
885 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
886
887 #define AIROPCAP AIROGSTATSD32 + 40
888 #define AIROPVLIST AIROPCAP + 1
889 #define AIROPSLIST AIROPVLIST + 1
890 #define AIROPCFG AIROPSLIST + 1
891 #define AIROPSIDS AIROPCFG + 1
892 #define AIROPAPLIST AIROPSIDS + 1
893 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
894 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
895 #define AIROPSTCLR AIROPMACOFF + 1
896 #define AIROPWEPKEY AIROPSTCLR + 1
897 #define AIROPWEPKEYNV AIROPWEPKEY + 1
898 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
899 #define AIROPLEAPUSR AIROPLEAPPWD + 1
900
901 /* Flash codes */
902
903 #define AIROFLSHRST AIROPWEPKEYNV + 40
904 #define AIROFLSHGCHR AIROFLSHRST + 1
905 #define AIROFLSHSTFL AIROFLSHGCHR + 1
906 #define AIROFLSHPCHR AIROFLSHSTFL + 1
907 #define AIROFLPUTBUF AIROFLSHPCHR + 1
908 #define AIRORESTART AIROFLPUTBUF + 1
909
910 #define FLASHSIZE 32768
911 #define AUXMEMSIZE (256 * 1024)
912
913 typedef struct aironet_ioctl {
914 unsigned short command; // What to do
915 unsigned short len; // Len of data
916 unsigned short ridnum; // rid number
917 unsigned char __user *data; // d-data
918 } aironet_ioctl;
919
920 static char swversion[] = "2.1";
921 #endif /* CISCO_EXT */
922
923 #define NUM_MODULES 2
924 #define MIC_MSGLEN_MAX 2400
925 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
926 #define AIRO_DEF_MTU 2312
927
928 typedef struct {
929 u32 size; // size
930 u8 enabled; // MIC enabled or not
931 u32 rxSuccess; // successful packets received
932 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
933 u32 rxNotMICed; // pkts dropped due to not being MIC'd
934 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
935 u32 rxWrongSequence; // pkts dropped due to sequence number violation
936 u32 reserve[32];
937 } mic_statistics;
938
939 typedef struct {
940 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
941 u64 accum; // accumulated mic, reduced to u32 in final()
942 int position; // current position (byte offset) in message
943 union {
944 u8 d8[4];
945 u32 d32;
946 } part; // saves partial message word across update() calls
947 } emmh32_context;
948
949 typedef struct {
950 emmh32_context seed; // Context - the seed
951 u32 rx; // Received sequence number
952 u32 tx; // Tx sequence number
953 u32 window; // Start of window
954 u8 valid; // Flag to say if context is valid or not
955 u8 key[16];
956 } miccntx;
957
958 typedef struct {
959 miccntx mCtx; // Multicast context
960 miccntx uCtx; // Unicast context
961 } mic_module;
962
963 typedef struct {
964 unsigned int rid: 16;
965 unsigned int len: 15;
966 unsigned int valid: 1;
967 dma_addr_t host_addr;
968 } Rid;
969
970 typedef struct {
971 unsigned int offset: 15;
972 unsigned int eoc: 1;
973 unsigned int len: 15;
974 unsigned int valid: 1;
975 dma_addr_t host_addr;
976 } TxFid;
977
978 typedef struct {
979 unsigned int ctl: 15;
980 unsigned int rdy: 1;
981 unsigned int len: 15;
982 unsigned int valid: 1;
983 dma_addr_t host_addr;
984 } RxFid;
985
986 /*
987 * Host receive descriptor
988 */
989 typedef struct {
990 unsigned char __iomem *card_ram_off; /* offset into card memory of the
991 desc */
992 RxFid rx_desc; /* card receive descriptor */
993 char *virtual_host_addr; /* virtual address of host receive
994 buffer */
995 int pending;
996 } HostRxDesc;
997
998 /*
999 * Host transmit descriptor
1000 */
1001 typedef struct {
1002 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1003 desc */
1004 TxFid tx_desc; /* card transmit descriptor */
1005 char *virtual_host_addr; /* virtual address of host receive
1006 buffer */
1007 int pending;
1008 } HostTxDesc;
1009
1010 /*
1011 * Host RID descriptor
1012 */
1013 typedef struct {
1014 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1015 descriptor */
1016 Rid rid_desc; /* card RID descriptor */
1017 char *virtual_host_addr; /* virtual address of host receive
1018 buffer */
1019 } HostRidDesc;
1020
1021 typedef struct {
1022 u16 sw0;
1023 u16 sw1;
1024 u16 status;
1025 u16 len;
1026 #define HOST_SET (1 << 0)
1027 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1028 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1029 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1030 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1031 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1032 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1033 #define HOST_RTS (1 << 9) /* Force RTS use */
1034 #define HOST_SHORT (1 << 10) /* Do short preamble */
1035 u16 ctl;
1036 u16 aid;
1037 u16 retries;
1038 u16 fill;
1039 } TxCtlHdr;
1040
1041 typedef struct {
1042 u16 ctl;
1043 u16 duration;
1044 char addr1[6];
1045 char addr2[6];
1046 char addr3[6];
1047 u16 seq;
1048 char addr4[6];
1049 } WifiHdr;
1050
1051
1052 typedef struct {
1053 TxCtlHdr ctlhdr;
1054 u16 fill1;
1055 u16 fill2;
1056 WifiHdr wifihdr;
1057 u16 gaplen;
1058 u16 status;
1059 } WifiCtlHdr;
1060
1061 static WifiCtlHdr wifictlhdr8023 = {
1062 .ctlhdr = {
1063 .ctl = HOST_DONT_RLSE,
1064 }
1065 };
1066
1067 // Frequency list (map channels to frequencies)
1068 static const long frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1069 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
1070
1071 // A few details needed for WEP (Wireless Equivalent Privacy)
1072 #define MAX_KEY_SIZE 13 // 128 (?) bits
1073 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1074 typedef struct wep_key_t {
1075 u16 len;
1076 u8 key[16]; /* 40-bit and 104-bit keys */
1077 } wep_key_t;
1078
1079 /* Backward compatibility */
1080 #ifndef IW_ENCODE_NOKEY
1081 #define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1082 #define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1083 #endif /* IW_ENCODE_NOKEY */
1084
1085 /* List of Wireless Handlers (new API) */
1086 static const struct iw_handler_def airo_handler_def;
1087
1088 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1089
1090 struct airo_info;
1091
1092 static int get_dec_u16( char *buffer, int *start, int limit );
1093 static void OUT4500( struct airo_info *, u16 register, u16 value );
1094 static unsigned short IN4500( struct airo_info *, u16 register );
1095 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1096 static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock );
1097 static void disable_MAC(struct airo_info *ai, int lock);
1098 static void enable_interrupts(struct airo_info*);
1099 static void disable_interrupts(struct airo_info*);
1100 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1101 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1102 static int aux_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1103 int whichbap);
1104 static int fast_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1105 int whichbap);
1106 static int bap_write(struct airo_info*, const u16 *pu16Src, int bytelen,
1107 int whichbap);
1108 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1109 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1110 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1111 *pBuf, int len, int lock);
1112 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1113 int len, int dummy );
1114 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1115 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1116 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1117
1118 static int mpi_send_packet (struct net_device *dev);
1119 static void mpi_unmap_card(struct pci_dev *pci);
1120 static void mpi_receive_802_3(struct airo_info *ai);
1121 static void mpi_receive_802_11(struct airo_info *ai);
1122 static int waitbusy (struct airo_info *ai);
1123
1124 static irqreturn_t airo_interrupt( int irq, void* dev_id);
1125 static int airo_thread(void *data);
1126 static void timer_func( struct net_device *dev );
1127 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1128 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1129 static void airo_read_wireless_stats (struct airo_info *local);
1130 #ifdef CISCO_EXT
1131 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1132 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1133 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1134 #endif /* CISCO_EXT */
1135 static void micinit(struct airo_info *ai);
1136 static int micsetup(struct airo_info *ai);
1137 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1138 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1139
1140 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1141 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1142
1143 static void airo_networks_free(struct airo_info *ai);
1144
1145 struct airo_info {
1146 struct net_device_stats stats;
1147 struct net_device *dev;
1148 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1149 use the high bit to mark whether it is in use. */
1150 #define MAX_FIDS 6
1151 #define MPI_MAX_FIDS 1
1152 int fids[MAX_FIDS];
1153 ConfigRid config;
1154 char keyindex; // Used with auto wep
1155 char defindex; // Used with auto wep
1156 struct proc_dir_entry *proc_entry;
1157 spinlock_t aux_lock;
1158 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1159 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1160 #define FLAG_RADIO_MASK 0x03
1161 #define FLAG_ENABLED 2
1162 #define FLAG_ADHOC 3 /* Needed by MIC */
1163 #define FLAG_MIC_CAPABLE 4
1164 #define FLAG_UPDATE_MULTI 5
1165 #define FLAG_UPDATE_UNI 6
1166 #define FLAG_802_11 7
1167 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1168 #define FLAG_PENDING_XMIT 9
1169 #define FLAG_PENDING_XMIT11 10
1170 #define FLAG_MPI 11
1171 #define FLAG_REGISTERED 12
1172 #define FLAG_COMMIT 13
1173 #define FLAG_RESET 14
1174 #define FLAG_FLASHING 15
1175 #define FLAG_WPA_CAPABLE 16
1176 unsigned long flags;
1177 #define JOB_DIE 0
1178 #define JOB_XMIT 1
1179 #define JOB_XMIT11 2
1180 #define JOB_STATS 3
1181 #define JOB_PROMISC 4
1182 #define JOB_MIC 5
1183 #define JOB_EVENT 6
1184 #define JOB_AUTOWEP 7
1185 #define JOB_WSTATS 8
1186 #define JOB_SCAN_RESULTS 9
1187 unsigned long jobs;
1188 int (*bap_read)(struct airo_info*, u16 *pu16Dst, int bytelen,
1189 int whichbap);
1190 unsigned short *flash;
1191 tdsRssiEntry *rssi;
1192 struct task_struct *list_bss_task;
1193 struct task_struct *airo_thread_task;
1194 struct semaphore sem;
1195 wait_queue_head_t thr_wait;
1196 unsigned long expires;
1197 struct {
1198 struct sk_buff *skb;
1199 int fid;
1200 } xmit, xmit11;
1201 struct net_device *wifidev;
1202 struct iw_statistics wstats; // wireless stats
1203 unsigned long scan_timeout; /* Time scan should be read */
1204 struct iw_spy_data spy_data;
1205 struct iw_public_data wireless_data;
1206 /* MIC stuff */
1207 struct crypto_cipher *tfm;
1208 mic_module mod[2];
1209 mic_statistics micstats;
1210 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1211 HostTxDesc txfids[MPI_MAX_FIDS];
1212 HostRidDesc config_desc;
1213 unsigned long ridbus; // phys addr of config_desc
1214 struct sk_buff_head txq;// tx queue used by mpi350 code
1215 struct pci_dev *pci;
1216 unsigned char __iomem *pcimem;
1217 unsigned char __iomem *pciaux;
1218 unsigned char *shared;
1219 dma_addr_t shared_dma;
1220 pm_message_t power;
1221 SsidRid *SSID;
1222 APListRid *APList;
1223 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1224 char proc_name[IFNAMSIZ];
1225
1226 /* WPA-related stuff */
1227 unsigned int bssListFirst;
1228 unsigned int bssListNext;
1229 unsigned int bssListRidLen;
1230
1231 struct list_head network_list;
1232 struct list_head network_free_list;
1233 BSSListElement *networks;
1234 };
1235
1236 static inline int bap_read(struct airo_info *ai, u16 *pu16Dst, int bytelen,
1237 int whichbap) {
1238 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1239 }
1240
1241 static int setup_proc_entry( struct net_device *dev,
1242 struct airo_info *apriv );
1243 static int takedown_proc_entry( struct net_device *dev,
1244 struct airo_info *apriv );
1245
1246 static int cmdreset(struct airo_info *ai);
1247 static int setflashmode (struct airo_info *ai);
1248 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1249 static int flashputbuf(struct airo_info *ai);
1250 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1251
1252 #define airo_print(type, name, fmt, args...) \
1253 { printk(type "airo(%s): " fmt "\n", name, ##args); }
1254
1255 #define airo_print_info(name, fmt, args...) \
1256 airo_print(KERN_INFO, name, fmt, ##args)
1257
1258 #define airo_print_dbg(name, fmt, args...) \
1259 airo_print(KERN_DEBUG, name, fmt, ##args)
1260
1261 #define airo_print_warn(name, fmt, args...) \
1262 airo_print(KERN_WARNING, name, fmt, ##args)
1263
1264 #define airo_print_err(name, fmt, args...) \
1265 airo_print(KERN_ERR, name, fmt, ##args)
1266
1267
1268 /***********************************************************************
1269 * MIC ROUTINES *
1270 ***********************************************************************
1271 */
1272
1273 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1274 static void MoveWindow(miccntx *context, u32 micSeq);
1275 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1276 struct crypto_cipher *tfm);
1277 static void emmh32_init(emmh32_context *context);
1278 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1279 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1280 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1281
1282 /* micinit - Initialize mic seed */
1283
1284 static void micinit(struct airo_info *ai)
1285 {
1286 MICRid mic_rid;
1287
1288 clear_bit(JOB_MIC, &ai->jobs);
1289 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1290 up(&ai->sem);
1291
1292 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1293
1294 if (ai->micstats.enabled) {
1295 /* Key must be valid and different */
1296 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1297 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1298 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1299 /* Age current mic Context */
1300 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1301 /* Initialize new context */
1302 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1303 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1304 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1305 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1306 ai->mod[0].mCtx.valid = 1; //Key is now valid
1307
1308 /* Give key to mic seed */
1309 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1310 }
1311
1312 /* Key must be valid and different */
1313 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1314 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1315 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1316 /* Age current mic Context */
1317 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1318 /* Initialize new context */
1319 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1320
1321 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1322 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1323 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1324 ai->mod[0].uCtx.valid = 1; //Key is now valid
1325
1326 //Give key to mic seed
1327 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1328 }
1329 } else {
1330 /* So next time we have a valid key and mic is enabled, we will update
1331 * the sequence number if the key is the same as before.
1332 */
1333 ai->mod[0].uCtx.valid = 0;
1334 ai->mod[0].mCtx.valid = 0;
1335 }
1336 }
1337
1338 /* micsetup - Get ready for business */
1339
1340 static int micsetup(struct airo_info *ai) {
1341 int i;
1342
1343 if (ai->tfm == NULL)
1344 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1345
1346 if (IS_ERR(ai->tfm)) {
1347 airo_print_err(ai->dev->name, "failed to load transform for AES");
1348 ai->tfm = NULL;
1349 return ERROR;
1350 }
1351
1352 for (i=0; i < NUM_MODULES; i++) {
1353 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1354 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1355 }
1356 return SUCCESS;
1357 }
1358
1359 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1360
1361 /*===========================================================================
1362 * Description: Mic a packet
1363 *
1364 * Inputs: etherHead * pointer to an 802.3 frame
1365 *
1366 * Returns: BOOLEAN if successful, otherwise false.
1367 * PacketTxLen will be updated with the mic'd packets size.
1368 *
1369 * Caveats: It is assumed that the frame buffer will already
1370 * be big enough to hold the largets mic message possible.
1371 * (No memory allocation is done here).
1372 *
1373 * Author: sbraneky (10/15/01)
1374 * Merciless hacks by rwilcher (1/14/02)
1375 */
1376
1377 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1378 {
1379 miccntx *context;
1380
1381 // Determine correct context
1382 // If not adhoc, always use unicast key
1383
1384 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1385 context = &ai->mod[0].mCtx;
1386 else
1387 context = &ai->mod[0].uCtx;
1388
1389 if (!context->valid)
1390 return ERROR;
1391
1392 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1393
1394 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1395
1396 // Add Tx sequence
1397 mic->seq = htonl(context->tx);
1398 context->tx += 2;
1399
1400 emmh32_init(&context->seed); // Mic the packet
1401 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1402 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1403 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1404 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1405 emmh32_final(&context->seed, (u8*)&mic->mic);
1406
1407 /* New Type/length ?????????? */
1408 mic->typelen = 0; //Let NIC know it could be an oversized packet
1409 return SUCCESS;
1410 }
1411
1412 typedef enum {
1413 NONE,
1414 NOMIC,
1415 NOMICPLUMMED,
1416 SEQUENCE,
1417 INCORRECTMIC,
1418 } mic_error;
1419
1420 /*===========================================================================
1421 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1422 * (removes the MIC stuff) if packet is a valid packet.
1423 *
1424 * Inputs: etherHead pointer to the 802.3 packet
1425 *
1426 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1427 *
1428 * Author: sbraneky (10/15/01)
1429 * Merciless hacks by rwilcher (1/14/02)
1430 *---------------------------------------------------------------------------
1431 */
1432
1433 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1434 {
1435 int i;
1436 u32 micSEQ;
1437 miccntx *context;
1438 u8 digest[4];
1439 mic_error micError = NONE;
1440
1441 // Check if the packet is a Mic'd packet
1442
1443 if (!ai->micstats.enabled) {
1444 //No Mic set or Mic OFF but we received a MIC'd packet.
1445 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1446 ai->micstats.rxMICPlummed++;
1447 return ERROR;
1448 }
1449 return SUCCESS;
1450 }
1451
1452 if (ntohs(mic->typelen) == 0x888E)
1453 return SUCCESS;
1454
1455 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1456 // Mic enabled but packet isn't Mic'd
1457 ai->micstats.rxMICPlummed++;
1458 return ERROR;
1459 }
1460
1461 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1462
1463 //At this point we a have a mic'd packet and mic is enabled
1464 //Now do the mic error checking.
1465
1466 //Receive seq must be odd
1467 if ( (micSEQ & 1) == 0 ) {
1468 ai->micstats.rxWrongSequence++;
1469 return ERROR;
1470 }
1471
1472 for (i = 0; i < NUM_MODULES; i++) {
1473 int mcast = eth->da[0] & 1;
1474 //Determine proper context
1475 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1476
1477 //Make sure context is valid
1478 if (!context->valid) {
1479 if (i == 0)
1480 micError = NOMICPLUMMED;
1481 continue;
1482 }
1483 //DeMic it
1484
1485 if (!mic->typelen)
1486 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1487
1488 emmh32_init(&context->seed);
1489 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1490 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1491 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1492 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1493 //Calculate MIC
1494 emmh32_final(&context->seed, digest);
1495
1496 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1497 //Invalid Mic
1498 if (i == 0)
1499 micError = INCORRECTMIC;
1500 continue;
1501 }
1502
1503 //Check Sequence number if mics pass
1504 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1505 ai->micstats.rxSuccess++;
1506 return SUCCESS;
1507 }
1508 if (i == 0)
1509 micError = SEQUENCE;
1510 }
1511
1512 // Update statistics
1513 switch (micError) {
1514 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1515 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1516 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1517 case NONE: break;
1518 case NOMIC: break;
1519 }
1520 return ERROR;
1521 }
1522
1523 /*===========================================================================
1524 * Description: Checks the Rx Seq number to make sure it is valid
1525 * and hasn't already been received
1526 *
1527 * Inputs: miccntx - mic context to check seq against
1528 * micSeq - the Mic seq number
1529 *
1530 * Returns: TRUE if valid otherwise FALSE.
1531 *
1532 * Author: sbraneky (10/15/01)
1533 * Merciless hacks by rwilcher (1/14/02)
1534 *---------------------------------------------------------------------------
1535 */
1536
1537 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1538 {
1539 u32 seq,index;
1540
1541 //Allow for the ap being rebooted - if it is then use the next
1542 //sequence number of the current sequence number - might go backwards
1543
1544 if (mcast) {
1545 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1546 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1547 context->window = (micSeq > 33) ? micSeq : 33;
1548 context->rx = 0; // Reset rx
1549 }
1550 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1551 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1552 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1553 context->rx = 0; // Reset rx
1554 }
1555
1556 //Make sequence number relative to START of window
1557 seq = micSeq - (context->window - 33);
1558
1559 //Too old of a SEQ number to check.
1560 if ((s32)seq < 0)
1561 return ERROR;
1562
1563 if ( seq > 64 ) {
1564 //Window is infinite forward
1565 MoveWindow(context,micSeq);
1566 return SUCCESS;
1567 }
1568
1569 // We are in the window. Now check the context rx bit to see if it was already sent
1570 seq >>= 1; //divide by 2 because we only have odd numbers
1571 index = 1 << seq; //Get an index number
1572
1573 if (!(context->rx & index)) {
1574 //micSEQ falls inside the window.
1575 //Add seqence number to the list of received numbers.
1576 context->rx |= index;
1577
1578 MoveWindow(context,micSeq);
1579
1580 return SUCCESS;
1581 }
1582 return ERROR;
1583 }
1584
1585 static void MoveWindow(miccntx *context, u32 micSeq)
1586 {
1587 u32 shift;
1588
1589 //Move window if seq greater than the middle of the window
1590 if (micSeq > context->window) {
1591 shift = (micSeq - context->window) >> 1;
1592
1593 //Shift out old
1594 if (shift < 32)
1595 context->rx >>= shift;
1596 else
1597 context->rx = 0;
1598
1599 context->window = micSeq; //Move window
1600 }
1601 }
1602
1603 /*==============================================*/
1604 /*========== EMMH ROUTINES ====================*/
1605 /*==============================================*/
1606
1607 /* mic accumulate */
1608 #define MIC_ACCUM(val) \
1609 context->accum += (u64)(val) * context->coeff[coeff_position++];
1610
1611 static unsigned char aes_counter[16];
1612
1613 /* expand the key to fill the MMH coefficient array */
1614 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1615 struct crypto_cipher *tfm)
1616 {
1617 /* take the keying material, expand if necessary, truncate at 16-bytes */
1618 /* run through AES counter mode to generate context->coeff[] */
1619
1620 int i,j;
1621 u32 counter;
1622 u8 *cipher, plain[16];
1623
1624 crypto_cipher_setkey(tfm, pkey, 16);
1625 counter = 0;
1626 for (i = 0; i < (sizeof(context->coeff)/sizeof(context->coeff[0])); ) {
1627 aes_counter[15] = (u8)(counter >> 0);
1628 aes_counter[14] = (u8)(counter >> 8);
1629 aes_counter[13] = (u8)(counter >> 16);
1630 aes_counter[12] = (u8)(counter >> 24);
1631 counter++;
1632 memcpy (plain, aes_counter, 16);
1633 crypto_cipher_encrypt_one(tfm, plain, plain);
1634 cipher = plain;
1635 for (j=0; (j<16) && (i< (sizeof(context->coeff)/sizeof(context->coeff[0]))); ) {
1636 context->coeff[i++] = ntohl(*(u32 *)&cipher[j]);
1637 j += 4;
1638 }
1639 }
1640 }
1641
1642 /* prepare for calculation of a new mic */
1643 static void emmh32_init(emmh32_context *context)
1644 {
1645 /* prepare for new mic calculation */
1646 context->accum = 0;
1647 context->position = 0;
1648 }
1649
1650 /* add some bytes to the mic calculation */
1651 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1652 {
1653 int coeff_position, byte_position;
1654
1655 if (len == 0) return;
1656
1657 coeff_position = context->position >> 2;
1658
1659 /* deal with partial 32-bit word left over from last update */
1660 byte_position = context->position & 3;
1661 if (byte_position) {
1662 /* have a partial word in part to deal with */
1663 do {
1664 if (len == 0) return;
1665 context->part.d8[byte_position++] = *pOctets++;
1666 context->position++;
1667 len--;
1668 } while (byte_position < 4);
1669 MIC_ACCUM(htonl(context->part.d32));
1670 }
1671
1672 /* deal with full 32-bit words */
1673 while (len >= 4) {
1674 MIC_ACCUM(htonl(*(u32 *)pOctets));
1675 context->position += 4;
1676 pOctets += 4;
1677 len -= 4;
1678 }
1679
1680 /* deal with partial 32-bit word that will be left over from this update */
1681 byte_position = 0;
1682 while (len > 0) {
1683 context->part.d8[byte_position++] = *pOctets++;
1684 context->position++;
1685 len--;
1686 }
1687 }
1688
1689 /* mask used to zero empty bytes for final partial word */
1690 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1691
1692 /* calculate the mic */
1693 static void emmh32_final(emmh32_context *context, u8 digest[4])
1694 {
1695 int coeff_position, byte_position;
1696 u32 val;
1697
1698 u64 sum, utmp;
1699 s64 stmp;
1700
1701 coeff_position = context->position >> 2;
1702
1703 /* deal with partial 32-bit word left over from last update */
1704 byte_position = context->position & 3;
1705 if (byte_position) {
1706 /* have a partial word in part to deal with */
1707 val = htonl(context->part.d32);
1708 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1709 }
1710
1711 /* reduce the accumulated u64 to a 32-bit MIC */
1712 sum = context->accum;
1713 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1714 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1715 sum = utmp & 0xffffffffLL;
1716 if (utmp > 0x10000000fLL)
1717 sum -= 15;
1718
1719 val = (u32)sum;
1720 digest[0] = (val>>24) & 0xFF;
1721 digest[1] = (val>>16) & 0xFF;
1722 digest[2] = (val>>8) & 0xFF;
1723 digest[3] = val & 0xFF;
1724 }
1725
1726 static int readBSSListRid(struct airo_info *ai, int first,
1727 BSSListRid *list) {
1728 int rc;
1729 Cmd cmd;
1730 Resp rsp;
1731
1732 if (first == 1) {
1733 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1734 memset(&cmd, 0, sizeof(cmd));
1735 cmd.cmd=CMD_LISTBSS;
1736 if (down_interruptible(&ai->sem))
1737 return -ERESTARTSYS;
1738 ai->list_bss_task = current;
1739 issuecommand(ai, &cmd, &rsp);
1740 up(&ai->sem);
1741 /* Let the command take effect */
1742 schedule_timeout_uninterruptible(3 * HZ);
1743 ai->list_bss_task = NULL;
1744 }
1745 rc = PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1746 list, ai->bssListRidLen, 1);
1747
1748 list->len = le16_to_cpu(list->len);
1749 list->index = le16_to_cpu(list->index);
1750 list->radioType = le16_to_cpu(list->radioType);
1751 list->cap = le16_to_cpu(list->cap);
1752 list->beaconInterval = le16_to_cpu(list->beaconInterval);
1753 list->fh.dwell = le16_to_cpu(list->fh.dwell);
1754 list->dsChannel = le16_to_cpu(list->dsChannel);
1755 list->atimWindow = le16_to_cpu(list->atimWindow);
1756 list->dBm = le16_to_cpu(list->dBm);
1757 return rc;
1758 }
1759
1760 static int readWepKeyRid(struct airo_info*ai, WepKeyRid *wkr, int temp, int lock) {
1761 int rc = PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1762 wkr, sizeof(*wkr), lock);
1763
1764 wkr->len = le16_to_cpu(wkr->len);
1765 wkr->kindex = le16_to_cpu(wkr->kindex);
1766 wkr->klen = le16_to_cpu(wkr->klen);
1767 return rc;
1768 }
1769 /* In the writeXXXRid routines we copy the rids so that we don't screwup
1770 * the originals when we endian them... */
1771 static int writeWepKeyRid(struct airo_info*ai, WepKeyRid *pwkr, int perm, int lock) {
1772 int rc;
1773 WepKeyRid wkr = *pwkr;
1774
1775 wkr.len = cpu_to_le16(wkr.len);
1776 wkr.kindex = cpu_to_le16(wkr.kindex);
1777 wkr.klen = cpu_to_le16(wkr.klen);
1778 rc = PC4500_writerid(ai, RID_WEP_TEMP, &wkr, sizeof(wkr), lock);
1779 if (rc!=SUCCESS) airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1780 if (perm) {
1781 rc = PC4500_writerid(ai, RID_WEP_PERM, &wkr, sizeof(wkr), lock);
1782 if (rc!=SUCCESS) {
1783 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1784 }
1785 }
1786 return rc;
1787 }
1788
1789 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr) {
1790 int i;
1791 int rc = PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1792
1793 ssidr->len = le16_to_cpu(ssidr->len);
1794 for(i = 0; i < 3; i++) {
1795 ssidr->ssids[i].len = le16_to_cpu(ssidr->ssids[i].len);
1796 }
1797 return rc;
1798 }
1799 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock) {
1800 int rc;
1801 int i;
1802 SsidRid ssidr = *pssidr;
1803
1804 ssidr.len = cpu_to_le16(ssidr.len);
1805 for(i = 0; i < 3; i++) {
1806 ssidr.ssids[i].len = cpu_to_le16(ssidr.ssids[i].len);
1807 }
1808 rc = PC4500_writerid(ai, RID_SSID, &ssidr, sizeof(ssidr), lock);
1809 return rc;
1810 }
1811 static int readConfigRid(struct airo_info*ai, int lock) {
1812 int rc;
1813 u16 *s;
1814 ConfigRid cfg;
1815
1816 if (ai->config.len)
1817 return SUCCESS;
1818
1819 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1820 if (rc != SUCCESS)
1821 return rc;
1822
1823 for(s = &cfg.len; s <= &cfg.rtsThres; s++) *s = le16_to_cpu(*s);
1824
1825 for(s = &cfg.shortRetryLimit; s <= &cfg.radioType; s++)
1826 *s = le16_to_cpu(*s);
1827
1828 for(s = &cfg.txPower; s <= &cfg.radioSpecific; s++)
1829 *s = le16_to_cpu(*s);
1830
1831 for(s = &cfg.arlThreshold; s <= &cfg._reserved4[0]; s++)
1832 *s = cpu_to_le16(*s);
1833
1834 for(s = &cfg.autoWake; s <= &cfg.autoWake; s++)
1835 *s = cpu_to_le16(*s);
1836
1837 ai->config = cfg;
1838 return SUCCESS;
1839 }
1840 static inline void checkThrottle(struct airo_info *ai) {
1841 int i;
1842 /* Old hardware had a limit on encryption speed */
1843 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1844 for(i=0; i<8; i++) {
1845 if (ai->config.rates[i] > maxencrypt) {
1846 ai->config.rates[i] = 0;
1847 }
1848 }
1849 }
1850 }
1851 static int writeConfigRid(struct airo_info*ai, int lock) {
1852 u16 *s;
1853 ConfigRid cfgr;
1854
1855 if (!test_bit (FLAG_COMMIT, &ai->flags))
1856 return SUCCESS;
1857
1858 clear_bit (FLAG_COMMIT, &ai->flags);
1859 clear_bit (FLAG_RESET, &ai->flags);
1860 checkThrottle(ai);
1861 cfgr = ai->config;
1862
1863 if ((cfgr.opmode & 0xFF) == MODE_STA_IBSS)
1864 set_bit(FLAG_ADHOC, &ai->flags);
1865 else
1866 clear_bit(FLAG_ADHOC, &ai->flags);
1867
1868 for(s = &cfgr.len; s <= &cfgr.rtsThres; s++) *s = cpu_to_le16(*s);
1869
1870 for(s = &cfgr.shortRetryLimit; s <= &cfgr.radioType; s++)
1871 *s = cpu_to_le16(*s);
1872
1873 for(s = &cfgr.txPower; s <= &cfgr.radioSpecific; s++)
1874 *s = cpu_to_le16(*s);
1875
1876 for(s = &cfgr.arlThreshold; s <= &cfgr._reserved4[0]; s++)
1877 *s = cpu_to_le16(*s);
1878
1879 for(s = &cfgr.autoWake; s <= &cfgr.autoWake; s++)
1880 *s = cpu_to_le16(*s);
1881
1882 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1883 }
1884 static int readStatusRid(struct airo_info*ai, StatusRid *statr, int lock) {
1885 int rc = PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1886 u16 *s;
1887
1888 statr->len = le16_to_cpu(statr->len);
1889 for(s = &statr->mode; s <= &statr->SSIDlen; s++) *s = le16_to_cpu(*s);
1890
1891 for(s = &statr->beaconPeriod; s <= &statr->shortPreamble; s++)
1892 *s = le16_to_cpu(*s);
1893 statr->load = le16_to_cpu(statr->load);
1894 statr->assocStatus = le16_to_cpu(statr->assocStatus);
1895 return rc;
1896 }
1897 static int readAPListRid(struct airo_info*ai, APListRid *aplr) {
1898 int rc = PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1899 aplr->len = le16_to_cpu(aplr->len);
1900 return rc;
1901 }
1902 static int writeAPListRid(struct airo_info*ai, APListRid *aplr, int lock) {
1903 int rc;
1904 aplr->len = cpu_to_le16(aplr->len);
1905 rc = PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1906 return rc;
1907 }
1908 static int readCapabilityRid(struct airo_info*ai, CapabilityRid *capr, int lock) {
1909 int rc = PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1910 u16 *s;
1911
1912 capr->len = le16_to_cpu(capr->len);
1913 capr->prodNum = le16_to_cpu(capr->prodNum);
1914 capr->radioType = le16_to_cpu(capr->radioType);
1915 capr->country = le16_to_cpu(capr->country);
1916 for(s = &capr->txPowerLevels[0]; s <= &capr->requiredHard; s++)
1917 *s = le16_to_cpu(*s);
1918 return rc;
1919 }
1920 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) {
1921 int rc = PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1922 u32 *i;
1923
1924 sr->len = le16_to_cpu(sr->len);
1925 for(i = &sr->vals[0]; i <= &sr->vals[99]; i++) *i = le32_to_cpu(*i);
1926 return rc;
1927 }
1928
1929 static int airo_open(struct net_device *dev) {
1930 struct airo_info *info = dev->priv;
1931 Resp rsp;
1932
1933 if (test_bit(FLAG_FLASHING, &info->flags))
1934 return -EIO;
1935
1936 /* Make sure the card is configured.
1937 * Wireless Extensions may postpone config changes until the card
1938 * is open (to pipeline changes and speed-up card setup). If
1939 * those changes are not yet commited, do it now - Jean II */
1940 if (test_bit (FLAG_COMMIT, &info->flags)) {
1941 disable_MAC(info, 1);
1942 writeConfigRid(info, 1);
1943 }
1944
1945 if (info->wifidev != dev) {
1946 /* Power on the MAC controller (which may have been disabled) */
1947 clear_bit(FLAG_RADIO_DOWN, &info->flags);
1948 enable_interrupts(info);
1949 }
1950 enable_MAC(info, &rsp, 1);
1951
1952 netif_start_queue(dev);
1953 return 0;
1954 }
1955
1956 static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1957 int npacks, pending;
1958 unsigned long flags;
1959 struct airo_info *ai = dev->priv;
1960
1961 if (!skb) {
1962 airo_print_err(dev->name, "%s: skb == NULL!",__FUNCTION__);
1963 return 0;
1964 }
1965 npacks = skb_queue_len (&ai->txq);
1966
1967 if (npacks >= MAXTXQ - 1) {
1968 netif_stop_queue (dev);
1969 if (npacks > MAXTXQ) {
1970 ai->stats.tx_fifo_errors++;
1971 return 1;
1972 }
1973 skb_queue_tail (&ai->txq, skb);
1974 return 0;
1975 }
1976
1977 spin_lock_irqsave(&ai->aux_lock, flags);
1978 skb_queue_tail (&ai->txq, skb);
1979 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1980 spin_unlock_irqrestore(&ai->aux_lock,flags);
1981 netif_wake_queue (dev);
1982
1983 if (pending == 0) {
1984 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1985 mpi_send_packet (dev);
1986 }
1987 return 0;
1988 }
1989
1990 /*
1991 * @mpi_send_packet
1992 *
1993 * Attempt to transmit a packet. Can be called from interrupt
1994 * or transmit . return number of packets we tried to send
1995 */
1996
1997 static int mpi_send_packet (struct net_device *dev)
1998 {
1999 struct sk_buff *skb;
2000 unsigned char *buffer;
2001 s16 len, *payloadLen;
2002 struct airo_info *ai = dev->priv;
2003 u8 *sendbuf;
2004
2005 /* get a packet to send */
2006
2007 if ((skb = skb_dequeue(&ai->txq)) == 0) {
2008 airo_print_err(dev->name,
2009 "%s: Dequeue'd zero in send_packet()",
2010 __FUNCTION__);
2011 return 0;
2012 }
2013
2014 /* check min length*/
2015 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2016 buffer = skb->data;
2017
2018 ai->txfids[0].tx_desc.offset = 0;
2019 ai->txfids[0].tx_desc.valid = 1;
2020 ai->txfids[0].tx_desc.eoc = 1;
2021 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
2022
2023 /*
2024 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
2025 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
2026 * is immediatly after it. ------------------------------------------------
2027 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
2028 * ------------------------------------------------
2029 */
2030
2031 memcpy((char *)ai->txfids[0].virtual_host_addr,
2032 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2033
2034 payloadLen = (s16 *)(ai->txfids[0].virtual_host_addr +
2035 sizeof(wifictlhdr8023));
2036 sendbuf = ai->txfids[0].virtual_host_addr +
2037 sizeof(wifictlhdr8023) + 2 ;
2038
2039 /*
2040 * Firmware automaticly puts 802 header on so
2041 * we don't need to account for it in the length
2042 */
2043 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2044 (ntohs(((u16 *)buffer)[6]) != 0x888E)) {
2045 MICBuffer pMic;
2046
2047 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2048 return ERROR;
2049
2050 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2051 ai->txfids[0].tx_desc.len += sizeof(pMic);
2052 /* copy data into airo dma buffer */
2053 memcpy (sendbuf, buffer, sizeof(etherHead));
2054 buffer += sizeof(etherHead);
2055 sendbuf += sizeof(etherHead);
2056 memcpy (sendbuf, &pMic, sizeof(pMic));
2057 sendbuf += sizeof(pMic);
2058 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2059 } else {
2060 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2061
2062 dev->trans_start = jiffies;
2063
2064 /* copy data into airo dma buffer */
2065 memcpy(sendbuf, buffer, len);
2066 }
2067
2068 memcpy_toio(ai->txfids[0].card_ram_off,
2069 &ai->txfids[0].tx_desc, sizeof(TxFid));
2070
2071 OUT4500(ai, EVACK, 8);
2072
2073 dev_kfree_skb_any(skb);
2074 return 1;
2075 }
2076
2077 static void get_tx_error(struct airo_info *ai, s32 fid)
2078 {
2079 u16 status;
2080
2081 if (fid < 0)
2082 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2083 else {
2084 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2085 return;
2086 bap_read(ai, &status, 2, BAP0);
2087 }
2088 if (le16_to_cpu(status) & 2) /* Too many retries */
2089 ai->stats.tx_aborted_errors++;
2090 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2091 ai->stats.tx_heartbeat_errors++;
2092 if (le16_to_cpu(status) & 8) /* Aid fail */
2093 { }
2094 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2095 ai->stats.tx_carrier_errors++;
2096 if (le16_to_cpu(status) & 0x20) /* Association lost */
2097 { }
2098 /* We produce a TXDROP event only for retry or lifetime
2099 * exceeded, because that's the only status that really mean
2100 * that this particular node went away.
2101 * Other errors means that *we* screwed up. - Jean II */
2102 if ((le16_to_cpu(status) & 2) ||
2103 (le16_to_cpu(status) & 4)) {
2104 union iwreq_data wrqu;
2105 char junk[0x18];
2106
2107 /* Faster to skip over useless data than to do
2108 * another bap_setup(). We are at offset 0x6 and
2109 * need to go to 0x18 and read 6 bytes - Jean II */
2110 bap_read(ai, (u16 *) junk, 0x18, BAP0);
2111
2112 /* Copy 802.11 dest address.
2113 * We use the 802.11 header because the frame may
2114 * not be 802.3 or may be mangled...
2115 * In Ad-Hoc mode, it will be the node address.
2116 * In managed mode, it will be most likely the AP addr
2117 * User space will figure out how to convert it to
2118 * whatever it needs (IP address or else).
2119 * - Jean II */
2120 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2121 wrqu.addr.sa_family = ARPHRD_ETHER;
2122
2123 /* Send event to user space */
2124 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2125 }
2126 }
2127
2128 static void airo_end_xmit(struct net_device *dev) {
2129 u16 status;
2130 int i;
2131 struct airo_info *priv = dev->priv;
2132 struct sk_buff *skb = priv->xmit.skb;
2133 int fid = priv->xmit.fid;
2134 u32 *fids = priv->fids;
2135
2136 clear_bit(JOB_XMIT, &priv->jobs);
2137 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2138 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2139 up(&priv->sem);
2140
2141 i = 0;
2142 if ( status == SUCCESS ) {
2143 dev->trans_start = jiffies;
2144 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2145 } else {
2146 priv->fids[fid] &= 0xffff;
2147 priv->stats.tx_window_errors++;
2148 }
2149 if (i < MAX_FIDS / 2)
2150 netif_wake_queue(dev);
2151 dev_kfree_skb(skb);
2152 }
2153
2154 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2155 s16 len;
2156 int i, j;
2157 struct airo_info *priv = dev->priv;
2158 u32 *fids = priv->fids;
2159
2160 if ( skb == NULL ) {
2161 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2162 return 0;
2163 }
2164
2165 /* Find a vacant FID */
2166 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2167 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2168
2169 if ( j >= MAX_FIDS / 2 ) {
2170 netif_stop_queue(dev);
2171
2172 if (i == MAX_FIDS / 2) {
2173 priv->stats.tx_fifo_errors++;
2174 return 1;
2175 }
2176 }
2177 /* check min length*/
2178 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2179 /* Mark fid as used & save length for later */
2180 fids[i] |= (len << 16);
2181 priv->xmit.skb = skb;
2182 priv->xmit.fid = i;
2183 if (down_trylock(&priv->sem) != 0) {
2184 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2185 netif_stop_queue(dev);
2186 set_bit(JOB_XMIT, &priv->jobs);
2187 wake_up_interruptible(&priv->thr_wait);
2188 } else
2189 airo_end_xmit(dev);
2190 return 0;
2191 }
2192
2193 static void airo_end_xmit11(struct net_device *dev) {
2194 u16 status;
2195 int i;
2196 struct airo_info *priv = dev->priv;
2197 struct sk_buff *skb = priv->xmit11.skb;
2198 int fid = priv->xmit11.fid;
2199 u32 *fids = priv->fids;
2200
2201 clear_bit(JOB_XMIT11, &priv->jobs);
2202 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2203 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2204 up(&priv->sem);
2205
2206 i = MAX_FIDS / 2;
2207 if ( status == SUCCESS ) {
2208 dev->trans_start = jiffies;
2209 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2210 } else {
2211 priv->fids[fid] &= 0xffff;
2212 priv->stats.tx_window_errors++;
2213 }
2214 if (i < MAX_FIDS)
2215 netif_wake_queue(dev);
2216 dev_kfree_skb(skb);
2217 }
2218
2219 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2220 s16 len;
2221 int i, j;
2222 struct airo_info *priv = dev->priv;
2223 u32 *fids = priv->fids;
2224
2225 if (test_bit(FLAG_MPI, &priv->flags)) {
2226 /* Not implemented yet for MPI350 */
2227 netif_stop_queue(dev);
2228 return -ENETDOWN;
2229 }
2230
2231 if ( skb == NULL ) {
2232 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2233 return 0;
2234 }
2235
2236 /* Find a vacant FID */
2237 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2238 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2239
2240 if ( j >= MAX_FIDS ) {
2241 netif_stop_queue(dev);
2242
2243 if (i == MAX_FIDS) {
2244 priv->stats.tx_fifo_errors++;
2245 return 1;
2246 }
2247 }
2248 /* check min length*/
2249 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2250 /* Mark fid as used & save length for later */
2251 fids[i] |= (len << 16);
2252 priv->xmit11.skb = skb;
2253 priv->xmit11.fid = i;
2254 if (down_trylock(&priv->sem) != 0) {
2255 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2256 netif_stop_queue(dev);
2257 set_bit(JOB_XMIT11, &priv->jobs);
2258 wake_up_interruptible(&priv->thr_wait);
2259 } else
2260 airo_end_xmit11(dev);
2261 return 0;
2262 }
2263
2264 static void airo_read_stats(struct airo_info *ai) {
2265 StatsRid stats_rid;
2266 u32 *vals = stats_rid.vals;
2267
2268 clear_bit(JOB_STATS, &ai->jobs);
2269 if (ai->power.event) {
2270 up(&ai->sem);
2271 return;
2272 }
2273 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2274 up(&ai->sem);
2275
2276 ai->stats.rx_packets = vals[43] + vals[44] + vals[45];
2277 ai->stats.tx_packets = vals[39] + vals[40] + vals[41];
2278 ai->stats.rx_bytes = vals[92];
2279 ai->stats.tx_bytes = vals[91];
2280 ai->stats.rx_errors = vals[0] + vals[2] + vals[3] + vals[4];
2281 ai->stats.tx_errors = vals[42] + ai->stats.tx_fifo_errors;
2282 ai->stats.multicast = vals[43];
2283 ai->stats.collisions = vals[89];
2284
2285 /* detailed rx_errors: */
2286 ai->stats.rx_length_errors = vals[3];
2287 ai->stats.rx_crc_errors = vals[4];
2288 ai->stats.rx_frame_errors = vals[2];
2289 ai->stats.rx_fifo_errors = vals[0];
2290 }
2291
2292 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2293 {
2294 struct airo_info *local = dev->priv;
2295
2296 if (!test_bit(JOB_STATS, &local->jobs)) {
2297 /* Get stats out of the card if available */
2298 if (down_trylock(&local->sem) != 0) {
2299 set_bit(JOB_STATS, &local->jobs);
2300 wake_up_interruptible(&local->thr_wait);
2301 } else
2302 airo_read_stats(local);
2303 }
2304
2305 return &local->stats;
2306 }
2307
2308 static void airo_set_promisc(struct airo_info *ai) {
2309 Cmd cmd;
2310 Resp rsp;
2311
2312 memset(&cmd, 0, sizeof(cmd));
2313 cmd.cmd=CMD_SETMODE;
2314 clear_bit(JOB_PROMISC, &ai->jobs);
2315 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2316 issuecommand(ai, &cmd, &rsp);
2317 up(&ai->sem);
2318 }
2319
2320 static void airo_set_multicast_list(struct net_device *dev) {
2321 struct airo_info *ai = dev->priv;
2322
2323 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2324 change_bit(FLAG_PROMISC, &ai->flags);
2325 if (down_trylock(&ai->sem) != 0) {
2326 set_bit(JOB_PROMISC, &ai->jobs);
2327 wake_up_interruptible(&ai->thr_wait);
2328 } else
2329 airo_set_promisc(ai);
2330 }
2331
2332 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2333 /* Turn on multicast. (Should be already setup...) */
2334 }
2335 }
2336
2337 static int airo_set_mac_address(struct net_device *dev, void *p)
2338 {
2339 struct airo_info *ai = dev->priv;
2340 struct sockaddr *addr = p;
2341 Resp rsp;
2342
2343 readConfigRid(ai, 1);
2344 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2345 set_bit (FLAG_COMMIT, &ai->flags);
2346 disable_MAC(ai, 1);
2347 writeConfigRid (ai, 1);
2348 enable_MAC(ai, &rsp, 1);
2349 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2350 if (ai->wifidev)
2351 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2352 return 0;
2353 }
2354
2355 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2356 {
2357 if ((new_mtu < 68) || (new_mtu > 2400))
2358 return -EINVAL;
2359 dev->mtu = new_mtu;
2360 return 0;
2361 }
2362
2363
2364 static int airo_close(struct net_device *dev) {
2365 struct airo_info *ai = dev->priv;
2366
2367 netif_stop_queue(dev);
2368
2369 if (ai->wifidev != dev) {
2370 #ifdef POWER_ON_DOWN
2371 /* Shut power to the card. The idea is that the user can save
2372 * power when he doesn't need the card with "ifconfig down".
2373 * That's the method that is most friendly towards the network
2374 * stack (i.e. the network stack won't try to broadcast
2375 * anything on the interface and routes are gone. Jean II */
2376 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2377 disable_MAC(ai, 1);
2378 #endif
2379 disable_interrupts( ai );
2380 }
2381 return 0;
2382 }
2383
2384 static void del_airo_dev( struct net_device *dev );
2385
2386 void stop_airo_card( struct net_device *dev, int freeres )
2387 {
2388 struct airo_info *ai = dev->priv;
2389
2390 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2391 disable_MAC(ai, 1);
2392 disable_interrupts(ai);
2393 free_irq( dev->irq, dev );
2394 takedown_proc_entry( dev, ai );
2395 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2396 unregister_netdev( dev );
2397 if (ai->wifidev) {
2398 unregister_netdev(ai->wifidev);
2399 free_netdev(ai->wifidev);
2400 ai->wifidev = NULL;
2401 }
2402 clear_bit(FLAG_REGISTERED, &ai->flags);
2403 }
2404 set_bit(JOB_DIE, &ai->jobs);
2405 kthread_stop(ai->airo_thread_task);
2406
2407 /*
2408 * Clean out tx queue
2409 */
2410 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2411 struct sk_buff *skb = NULL;
2412 for (;(skb = skb_dequeue(&ai->txq));)
2413 dev_kfree_skb(skb);
2414 }
2415
2416 airo_networks_free (ai);
2417
2418 kfree(ai->flash);
2419 kfree(ai->rssi);
2420 kfree(ai->APList);
2421 kfree(ai->SSID);
2422 if (freeres) {
2423 /* PCMCIA frees this stuff, so only for PCI and ISA */
2424 release_region( dev->base_addr, 64 );
2425 if (test_bit(FLAG_MPI, &ai->flags)) {
2426 if (ai->pci)
2427 mpi_unmap_card(ai->pci);
2428 if (ai->pcimem)
2429 iounmap(ai->pcimem);
2430 if (ai->pciaux)
2431 iounmap(ai->pciaux);
2432 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2433 ai->shared, ai->shared_dma);
2434 }
2435 }
2436 crypto_free_cipher(ai->tfm);
2437 del_airo_dev( dev );
2438 free_netdev( dev );
2439 }
2440
2441 EXPORT_SYMBOL(stop_airo_card);
2442
2443 static int add_airo_dev( struct net_device *dev );
2444
2445 static int wll_header_parse(struct sk_buff *skb, unsigned char *haddr)
2446 {
2447 memcpy(haddr, skb->mac.raw + 10, ETH_ALEN);
2448 return ETH_ALEN;
2449 }
2450
2451 static void mpi_unmap_card(struct pci_dev *pci)
2452 {
2453 unsigned long mem_start = pci_resource_start(pci, 1);
2454 unsigned long mem_len = pci_resource_len(pci, 1);
2455 unsigned long aux_start = pci_resource_start(pci, 2);
2456 unsigned long aux_len = AUXMEMSIZE;
2457
2458 release_mem_region(aux_start, aux_len);
2459 release_mem_region(mem_start, mem_len);
2460 }
2461
2462 /*************************************************************
2463 * This routine assumes that descriptors have been setup .
2464 * Run at insmod time or after reset when the decriptors
2465 * have been initialized . Returns 0 if all is well nz
2466 * otherwise . Does not allocate memory but sets up card
2467 * using previously allocated descriptors.
2468 */
2469 static int mpi_init_descriptors (struct airo_info *ai)
2470 {
2471 Cmd cmd;
2472 Resp rsp;
2473 int i;
2474 int rc = SUCCESS;
2475
2476 /* Alloc card RX descriptors */
2477 netif_stop_queue(ai->dev);
2478
2479 memset(&rsp,0,sizeof(rsp));
2480 memset(&cmd,0,sizeof(cmd));
2481
2482 cmd.cmd = CMD_ALLOCATEAUX;
2483 cmd.parm0 = FID_RX;
2484 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2485 cmd.parm2 = MPI_MAX_FIDS;
2486 rc=issuecommand(ai, &cmd, &rsp);
2487 if (rc != SUCCESS) {
2488 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2489 return rc;
2490 }
2491
2492 for (i=0; i<MPI_MAX_FIDS; i++) {
2493 memcpy_toio(ai->rxfids[i].card_ram_off,
2494 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2495 }
2496
2497 /* Alloc card TX descriptors */
2498
2499 memset(&rsp,0,sizeof(rsp));
2500 memset(&cmd,0,sizeof(cmd));
2501
2502 cmd.cmd = CMD_ALLOCATEAUX;
2503 cmd.parm0 = FID_TX;
2504 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2505 cmd.parm2 = MPI_MAX_FIDS;
2506
2507 for (i=0; i<MPI_MAX_FIDS; i++) {
2508 ai->txfids[i].tx_desc.valid = 1;
2509 memcpy_toio(ai->txfids[i].card_ram_off,
2510 &ai->txfids[i].tx_desc, sizeof(TxFid));
2511 }
2512 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2513
2514 rc=issuecommand(ai, &cmd, &rsp);
2515 if (rc != SUCCESS) {
2516 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2517 return rc;
2518 }
2519
2520 /* Alloc card Rid descriptor */
2521 memset(&rsp,0,sizeof(rsp));
2522 memset(&cmd,0,sizeof(cmd));
2523
2524 cmd.cmd = CMD_ALLOCATEAUX;
2525 cmd.parm0 = RID_RW;
2526 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2527 cmd.parm2 = 1; /* Magic number... */
2528 rc=issuecommand(ai, &cmd, &rsp);
2529 if (rc != SUCCESS) {
2530 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2531 return rc;
2532 }
2533
2534 memcpy_toio(ai->config_desc.card_ram_off,
2535 &ai->config_desc.rid_desc, sizeof(Rid));
2536
2537 return rc;
2538 }
2539
2540 /*
2541 * We are setting up three things here:
2542 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2543 * 2) Map PCI memory for issueing commands.
2544 * 3) Allocate memory (shared) to send and receive ethernet frames.
2545 */
2546 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci,
2547 const char *name)
2548 {
2549 unsigned long mem_start, mem_len, aux_start, aux_len;
2550 int rc = -1;
2551 int i;
2552 dma_addr_t busaddroff;
2553 unsigned char *vpackoff;
2554 unsigned char __iomem *pciaddroff;
2555
2556 mem_start = pci_resource_start(pci, 1);
2557 mem_len = pci_resource_len(pci, 1);
2558 aux_start = pci_resource_start(pci, 2);
2559 aux_len = AUXMEMSIZE;
2560
2561 if (!request_mem_region(mem_start, mem_len, name)) {
2562 airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s",
2563 (int)mem_start, (int)mem_len, name);
2564 goto out;
2565 }
2566 if (!request_mem_region(aux_start, aux_len, name)) {
2567 airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s",
2568 (int)aux_start, (int)aux_len, name);
2569 goto free_region1;
2570 }
2571
2572 ai->pcimem = ioremap(mem_start, mem_len);
2573 if (!ai->pcimem) {
2574 airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s",
2575 (int)mem_start, (int)mem_len, name);
2576 goto free_region2;
2577 }
2578 ai->pciaux = ioremap(aux_start, aux_len);
2579 if (!ai->pciaux) {
2580 airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s",
2581 (int)aux_start, (int)aux_len, name);
2582 goto free_memmap;
2583 }
2584
2585 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2586 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2587 if (!ai->shared) {
2588 airo_print_err(ai->dev->name, "Couldn't alloc_consistent %d",
2589 PCI_SHARED_LEN);
2590 goto free_auxmap;
2591 }
2592
2593 /*
2594 * Setup descriptor RX, TX, CONFIG
2595 */
2596 busaddroff = ai->shared_dma;
2597 pciaddroff = ai->pciaux + AUX_OFFSET;
2598 vpackoff = ai->shared;
2599
2600 /* RX descriptor setup */
2601 for(i = 0; i < MPI_MAX_FIDS; i++) {
2602 ai->rxfids[i].pending = 0;
2603 ai->rxfids[i].card_ram_off = pciaddroff;
2604 ai->rxfids[i].virtual_host_addr = vpackoff;
2605 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2606 ai->rxfids[i].rx_desc.valid = 1;
2607 ai->rxfids[i].rx_desc.len = PKTSIZE;
2608 ai->rxfids[i].rx_desc.rdy = 0;
2609
2610 pciaddroff += sizeof(RxFid);
2611 busaddroff += PKTSIZE;
2612 vpackoff += PKTSIZE;
2613 }
2614
2615 /* TX descriptor setup */
2616 for(i = 0; i < MPI_MAX_FIDS; i++) {
2617 ai->txfids[i].card_ram_off = pciaddroff;
2618 ai->txfids[i].virtual_host_addr = vpackoff;
2619 ai->txfids[i].tx_desc.valid = 1;
2620 ai->txfids[i].tx_desc.host_addr = busaddroff;
2621 memcpy(ai->txfids[i].virtual_host_addr,
2622 &wifictlhdr8023, sizeof(wifictlhdr8023));
2623
2624 pciaddroff += sizeof(TxFid);
2625 busaddroff += PKTSIZE;
2626 vpackoff += PKTSIZE;
2627 }
2628 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2629
2630 /* Rid descriptor setup */
2631 ai->config_desc.card_ram_off = pciaddroff;
2632 ai->config_desc.virtual_host_addr = vpackoff;
2633 ai->config_desc.rid_desc.host_addr = busaddroff;
2634 ai->ridbus = busaddroff;
2635 ai->config_desc.rid_desc.rid = 0;
2636 ai->config_desc.rid_desc.len = RIDSIZE;
2637 ai->config_desc.rid_desc.valid = 1;
2638 pciaddroff += sizeof(Rid);
2639 busaddroff += RIDSIZE;
2640 vpackoff += RIDSIZE;
2641
2642 /* Tell card about descriptors */
2643 if (mpi_init_descriptors (ai) != SUCCESS)
2644 goto free_shared;
2645
2646 return 0;
2647 free_shared:
2648 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2649 free_auxmap:
2650 iounmap(ai->pciaux);
2651 free_memmap:
2652 iounmap(ai->pcimem);
2653 free_region2:
2654 release_mem_region(aux_start, aux_len);
2655 free_region1:
2656 release_mem_region(mem_start, mem_len);
2657 out:
2658 return rc;
2659 }
2660
2661 static void wifi_setup(struct net_device *dev)
2662 {
2663 dev->hard_header = NULL;
2664 dev->rebuild_header = NULL;
2665 dev->hard_header_cache = NULL;
2666 dev->header_cache_update= NULL;
2667
2668 dev->hard_header_parse = wll_header_parse;
2669 dev->hard_start_xmit = &airo_start_xmit11;
2670 dev->get_stats = &airo_get_stats;
2671 dev->set_mac_address = &airo_set_mac_address;
2672 dev->do_ioctl = &airo_ioctl;
2673 dev->wireless_handlers = &airo_handler_def;
2674 dev->change_mtu = &airo_change_mtu;
2675 dev->open = &airo_open;
2676 dev->stop = &airo_close;
2677
2678 dev->type = ARPHRD_IEEE80211;
2679 dev->hard_header_len = ETH_HLEN;
2680 dev->mtu = AIRO_DEF_MTU;
2681 dev->addr_len = ETH_ALEN;
2682 dev->tx_queue_len = 100;
2683
2684 memset(dev->broadcast,0xFF, ETH_ALEN);
2685
2686 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2687 }
2688
2689 static struct net_device *init_wifidev(struct airo_info *ai,
2690 struct net_device *ethdev)
2691 {
2692 int err;
2693 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2694 if (!dev)
2695 return NULL;
2696 dev->priv = ethdev->priv;
2697 dev->irq = ethdev->irq;
2698 dev->base_addr = ethdev->base_addr;
2699 dev->wireless_data = ethdev->wireless_data;
2700 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2701 err = register_netdev(dev);
2702 if (err<0) {
2703 free_netdev(dev);
2704 return NULL;
2705 }
2706 return dev;
2707 }
2708
2709 static int reset_card( struct net_device *dev , int lock) {
2710 struct airo_info *ai = dev->priv;
2711
2712 if (lock && down_interruptible(&ai->sem))
2713 return -1;
2714 waitbusy (ai);
2715 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2716 msleep(200);
2717 waitbusy (ai);
2718 msleep(200);
2719 if (lock)
2720 up(&ai->sem);
2721 return 0;
2722 }
2723
2724 #define AIRO_MAX_NETWORK_COUNT 64
2725 static int airo_networks_allocate(struct airo_info *ai)
2726 {
2727 if (ai->networks)
2728 return 0;
2729
2730 ai->networks =
2731 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2732 GFP_KERNEL);
2733 if (!ai->networks) {
2734 airo_print_warn(ai->dev->name, "Out of memory allocating beacons");
2735 return -ENOMEM;
2736 }
2737
2738 return 0;
2739 }
2740
2741 static void airo_networks_free(struct airo_info *ai)
2742 {
2743 if (!ai->networks)
2744 return;
2745 kfree(ai->networks);
2746 ai->networks = NULL;
2747 }
2748
2749 static void airo_networks_initialize(struct airo_info *ai)
2750 {
2751 int i;
2752
2753 INIT_LIST_HEAD(&ai->network_free_list);
2754 INIT_LIST_HEAD(&ai->network_list);
2755 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2756 list_add_tail(&ai->networks[i].list,
2757 &ai->network_free_list);
2758 }
2759
2760 static int airo_test_wpa_capable(struct airo_info *ai)
2761 {
2762 int status;
2763 CapabilityRid cap_rid;
2764 const char *name = ai->dev->name;
2765
2766 status = readCapabilityRid(ai, &cap_rid, 1);
2767 if (status != SUCCESS) return 0;
2768
2769 /* Only firmware versions 5.30.17 or better can do WPA */
2770 if ((cap_rid.softVer > 0x530)
2771 || ((cap_rid.softVer == 0x530) && (cap_rid.softSubVer >= 17))) {
2772 airo_print_info(name, "WPA is supported.");
2773 return 1;
2774 }
2775
2776 /* No WPA support */
2777 airo_print_info(name, "WPA unsupported (only firmware versions 5.30.17"
2778 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2779 return 0;
2780 }
2781
2782 static struct net_device *_init_airo_card( unsigned short irq, int port,
2783 int is_pcmcia, struct pci_dev *pci,
2784 struct device *dmdev )
2785 {
2786 struct net_device *dev;
2787 struct airo_info *ai;
2788 int i, rc;
2789
2790 /* Create the network device object. */
2791 dev = alloc_etherdev(sizeof(*ai));
2792 if (!dev) {
2793 airo_print_err("", "Couldn't alloc_etherdev");
2794 return NULL;
2795 }
2796 if (dev_alloc_name(dev, dev->name) < 0) {
2797 airo_print_err("", "Couldn't get name!");
2798 goto err_out_free;
2799 }
2800
2801 ai = dev->priv;
2802 ai->wifidev = NULL;
2803 ai->flags = 0;
2804 ai->jobs = 0;
2805 ai->dev = dev;
2806 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2807 airo_print_dbg(dev->name, "Found an MPI350 card");
2808 set_bit(FLAG_MPI, &ai->flags);
2809 }
2810 spin_lock_init(&ai->aux_lock);
2811 sema_init(&ai->sem, 1);
2812 ai->config.len = 0;
2813 ai->pci = pci;
2814 init_waitqueue_head (&ai->thr_wait);
2815 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
2816 if (IS_ERR(ai->airo_thread_task))
2817 goto err_out_free;
2818 ai->tfm = NULL;
2819 rc = add_airo_dev( dev );
2820 if (rc)
2821 goto err_out_thr;
2822
2823 if (airo_networks_allocate (ai))
2824 goto err_out_unlink;
2825 airo_networks_initialize (ai);
2826
2827 /* The Airo-specific entries in the device structure. */
2828 if (test_bit(FLAG_MPI,&ai->flags)) {
2829 skb_queue_head_init (&ai->txq);
2830 dev->hard_start_xmit = &mpi_start_xmit;
2831 } else
2832 dev->hard_start_xmit = &airo_start_xmit;
2833 dev->get_stats = &airo_get_stats;
2834 dev->set_multicast_list = &airo_set_multicast_list;
2835 dev->set_mac_address = &airo_set_mac_address;
2836 dev->do_ioctl = &airo_ioctl;
2837 dev->wireless_handlers = &airo_handler_def;
2838 ai->wireless_data.spy_data = &ai->spy_data;
2839 dev->wireless_data = &ai->wireless_data;
2840 dev->change_mtu = &airo_change_mtu;
2841 dev->open = &airo_open;
2842 dev->stop = &airo_close;
2843 dev->irq = irq;
2844 dev->base_addr = port;
2845
2846 SET_NETDEV_DEV(dev, dmdev);
2847
2848 reset_card (dev, 1);
2849 msleep(400);
2850
2851 rc = request_irq( dev->irq, airo_interrupt, IRQF_SHARED, dev->name, dev );
2852 if (rc) {
2853 airo_print_err(dev->name, "register interrupt %d failed, rc %d",
2854 irq, rc);
2855 goto err_out_unlink;
2856 }
2857 if (!is_pcmcia) {
2858 if (!request_region( dev->base_addr, 64, dev->name )) {
2859 rc = -EBUSY;
2860 airo_print_err(dev->name, "Couldn't request region");
2861 goto err_out_irq;
2862 }
2863 }
2864
2865 if (test_bit(FLAG_MPI,&ai->flags)) {
2866 if (mpi_map_card(ai, pci, dev->name)) {
2867 airo_print_err(dev->name, "Could not map memory");
2868 goto err_out_res;
2869 }
2870 }
2871
2872 if (probe) {
2873 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
2874 airo_print_err(dev->name, "MAC could not be enabled" );
2875 rc = -EIO;
2876 goto err_out_map;
2877 }
2878 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2879 ai->bap_read = fast_bap_read;
2880 set_bit(FLAG_FLASHING, &ai->flags);
2881 }
2882
2883 /* Test for WPA support */
2884 if (airo_test_wpa_capable(ai)) {
2885 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2886 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2887 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2888 ai->bssListRidLen = sizeof(BSSListRid);
2889 } else {
2890 ai->bssListFirst = RID_BSSLISTFIRST;
2891 ai->bssListNext = RID_BSSLISTNEXT;
2892 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2893 }
2894
2895 rc = register_netdev(dev);
2896 if (rc) {
2897 airo_print_err(dev->name, "Couldn't register_netdev");
2898 goto err_out_map;
2899 }
2900 ai->wifidev = init_wifidev(ai, dev);
2901 if (!ai->wifidev)
2902 goto err_out_reg;
2903
2904 set_bit(FLAG_REGISTERED,&ai->flags);
2905 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
2906 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2907 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5] );
2908
2909 /* Allocate the transmit buffers */
2910 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2911 for( i = 0; i < MAX_FIDS; i++ )
2912 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2913
2914 if (setup_proc_entry(dev, dev->priv) < 0)
2915 goto err_out_wifi;
2916
2917 netif_start_queue(dev);
2918 SET_MODULE_OWNER(dev);
2919 return dev;
2920
2921 err_out_wifi:
2922 unregister_netdev(ai->wifidev);
2923 free_netdev(ai->wifidev);
2924 err_out_reg:
2925 unregister_netdev(dev);
2926 err_out_map:
2927 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2928 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2929 iounmap(ai->pciaux);
2930 iounmap(ai->pcimem);
2931 mpi_unmap_card(ai->pci);
2932 }
2933 err_out_res:
2934 if (!is_pcmcia)
2935 release_region( dev->base_addr, 64 );
2936 err_out_irq:
2937 free_irq(dev->irq, dev);
2938 err_out_unlink:
2939 del_airo_dev(dev);
2940 err_out_thr:
2941 set_bit(JOB_DIE, &ai->jobs);
2942 kthread_stop(ai->airo_thread_task);
2943 err_out_free:
2944 free_netdev(dev);
2945 return NULL;
2946 }
2947
2948 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2949 struct device *dmdev)
2950 {
2951 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2952 }
2953
2954 EXPORT_SYMBOL(init_airo_card);
2955
2956 static int waitbusy (struct airo_info *ai) {
2957 int delay = 0;
2958 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2959 udelay (10);
2960 if ((++delay % 20) == 0)
2961 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2962 }
2963 return delay < 10000;
2964 }
2965
2966 int reset_airo_card( struct net_device *dev )
2967 {
2968 int i;
2969 struct airo_info *ai = dev->priv;
2970
2971 if (reset_card (dev, 1))
2972 return -1;
2973
2974 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2975 airo_print_err(dev->name, "MAC could not be enabled");
2976 return -1;
2977 }
2978 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
2979 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2980 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
2981 /* Allocate the transmit buffers if needed */
2982 if (!test_bit(FLAG_MPI,&ai->flags))
2983 for( i = 0; i < MAX_FIDS; i++ )
2984 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2985
2986 enable_interrupts( ai );
2987 netif_wake_queue(dev);
2988 return 0;
2989 }
2990
2991 EXPORT_SYMBOL(reset_airo_card);
2992
2993 static void airo_send_event(struct net_device *dev) {
2994 struct airo_info *ai = dev->priv;
2995 union iwreq_data wrqu;
2996 StatusRid status_rid;
2997
2998 clear_bit(JOB_EVENT, &ai->jobs);
2999 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
3000 up(&ai->sem);
3001 wrqu.data.length = 0;
3002 wrqu.data.flags = 0;
3003 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
3004 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3005
3006 /* Send event to user space */
3007 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
3008 }
3009
3010 static void airo_process_scan_results (struct airo_info *ai) {
3011 union iwreq_data wrqu;
3012 BSSListRid bss;
3013 int rc;
3014 BSSListElement * loop_net;
3015 BSSListElement * tmp_net;
3016
3017 /* Blow away current list of scan results */
3018 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3019 list_move_tail (&loop_net->list, &ai->network_free_list);
3020 /* Don't blow away ->list, just BSS data */
3021 memset (loop_net, 0, sizeof (loop_net->bss));
3022 }
3023
3024 /* Try to read the first entry of the scan result */
3025 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3026 if((rc) || (bss.index == 0xffff)) {
3027 /* No scan results */
3028 goto out;
3029 }
3030
3031 /* Read and parse all entries */
3032 tmp_net = NULL;
3033 while((!rc) && (bss.index != 0xffff)) {
3034 /* Grab a network off the free list */
3035 if (!list_empty(&ai->network_free_list)) {
3036 tmp_net = list_entry(ai->network_free_list.next,
3037 BSSListElement, list);
3038 list_del(ai->network_free_list.next);
3039 }
3040
3041 if (tmp_net != NULL) {
3042 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3043 list_add_tail(&tmp_net->list, &ai->network_list);
3044 tmp_net = NULL;
3045 }
3046
3047 /* Read next entry */
3048 rc = PC4500_readrid(ai, ai->bssListNext,
3049 &bss, ai->bssListRidLen, 0);
3050 }
3051
3052 out:
3053 ai->scan_timeout = 0;
3054 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3055 up(&ai->sem);
3056
3057 /* Send an empty event to user space.
3058 * We don't send the received data on
3059 * the event because it would require
3060 * us to do complex transcoding, and
3061 * we want to minimise the work done in
3062 * the irq handler. Use a request to
3063 * extract the data - Jean II */
3064 wrqu.data.length = 0;
3065 wrqu.data.flags = 0;
3066 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3067 }
3068
3069 static int airo_thread(void *data) {
3070 struct net_device *dev = data;
3071 struct airo_info *ai = dev->priv;
3072 int locked;
3073
3074 while(1) {
3075 /* make swsusp happy with our thread */
3076 try_to_freeze();
3077
3078 if (test_bit(JOB_DIE, &ai->jobs))
3079 break;
3080
3081 if (ai->jobs) {
3082 locked = down_interruptible(&ai->sem);
3083 } else {
3084 wait_queue_t wait;
3085
3086 init_waitqueue_entry(&wait, current);
3087 add_wait_queue(&ai->thr_wait, &wait);
3088 for (;;) {
3089 set_current_state(TASK_INTERRUPTIBLE);
3090 if (ai->jobs)
3091 break;
3092 if (ai->expires || ai->scan_timeout) {
3093 if (ai->scan_timeout &&
3094 time_after_eq(jiffies,ai->scan_timeout)){
3095 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3096 break;
3097 } else if (ai->expires &&
3098 time_after_eq(jiffies,ai->expires)){
3099 set_bit(JOB_AUTOWEP, &ai->jobs);
3100 break;
3101 }
3102 if (!kthread_should_stop() &&
3103 !freezing(current)) {
3104 unsigned long wake_at;
3105 if (!ai->expires || !ai->scan_timeout) {
3106 wake_at = max(ai->expires,
3107 ai->scan_timeout);
3108 } else {
3109 wake_at = min(ai->expires,
3110 ai->scan_timeout);
3111 }
3112 schedule_timeout(wake_at - jiffies);
3113 continue;
3114 }
3115 } else if (!kthread_should_stop() &&
3116 !freezing(current)) {
3117 schedule();
3118 continue;
3119 }
3120 break;
3121 }
3122 current->state = TASK_RUNNING;
3123 remove_wait_queue(&ai->thr_wait, &wait);
3124 locked = 1;
3125 }
3126
3127 if (locked)
3128 continue;
3129
3130 if (test_bit(JOB_DIE, &ai->jobs)) {
3131 up(&ai->sem);
3132 break;
3133 }
3134
3135 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3136 up(&ai->sem);
3137 continue;
3138 }
3139
3140 if (test_bit(JOB_XMIT, &ai->jobs))
3141 airo_end_xmit(dev);
3142 else if (test_bit(JOB_XMIT11, &ai->jobs))
3143 airo_end_xmit11(dev);
3144 else if (test_bit(JOB_STATS, &ai->jobs))
3145 airo_read_stats(ai);
3146 else if (test_bit(JOB_WSTATS, &ai->jobs))
3147 airo_read_wireless_stats(ai);
3148 else if (test_bit(JOB_PROMISC, &ai->jobs))
3149 airo_set_promisc(ai);
3150 else if (test_bit(JOB_MIC, &ai->jobs))
3151 micinit(ai);
3152 else if (test_bit(JOB_EVENT, &ai->jobs))
3153 airo_send_event(dev);
3154 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3155 timer_func(dev);
3156 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3157 airo_process_scan_results(ai);
3158 else /* Shouldn't get here, but we make sure to unlock */
3159 up(&ai->sem);
3160 }
3161
3162 return 0;
3163 }
3164
3165 static irqreturn_t airo_interrupt ( int irq, void* dev_id) {
3166 struct net_device *dev = (struct net_device *)dev_id;
3167 u16 status;
3168 u16 fid;
3169 struct airo_info *apriv = dev->priv;
3170 u16 savedInterrupts = 0;
3171 int handled = 0;
3172
3173 if (!netif_device_present(dev))
3174 return IRQ_NONE;
3175
3176 for (;;) {
3177 status = IN4500( apriv, EVSTAT );
3178 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3179
3180 handled = 1;
3181
3182 if ( status & EV_AWAKE ) {
3183 OUT4500( apriv, EVACK, EV_AWAKE );
3184 OUT4500( apriv, EVACK, EV_AWAKE );
3185 }
3186
3187 if (!savedInterrupts) {
3188 savedInterrupts = IN4500( apriv, EVINTEN );
3189 OUT4500( apriv, EVINTEN, 0 );
3190 }
3191
3192 if ( status & EV_MIC ) {
3193 OUT4500( apriv, EVACK, EV_MIC );
3194 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3195 set_bit(JOB_MIC, &apriv->jobs);
3196 wake_up_interruptible(&apriv->thr_wait);
3197 }
3198 }
3199 if ( status & EV_LINK ) {
3200 union iwreq_data wrqu;
3201 int scan_forceloss = 0;
3202 /* The link status has changed, if you want to put a
3203 monitor hook in, do it here. (Remember that
3204 interrupts are still disabled!)
3205 */
3206 u16 newStatus = IN4500(apriv, LINKSTAT);
3207 OUT4500( apriv, EVACK, EV_LINK);
3208 /* Here is what newStatus means: */
3209 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3210 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3211 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3212 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3213 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3214 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3215 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3216 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3217 code) */
3218 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3219 code) */
3220 #define ASSOCIATED 0x0400 /* Associated */
3221 #define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3222 #define RC_RESERVED 0 /* Reserved return code */
3223 #define RC_NOREASON 1 /* Unspecified reason */
3224 #define RC_AUTHINV 2 /* Previous authentication invalid */
3225 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3226 leaving */
3227 #define RC_NOACT 4 /* Disassociated due to inactivity */
3228 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3229 all currently associated stations */
3230 #define RC_BADCLASS2 6 /* Class 2 frame received from
3231 non-Authenticated station */
3232 #define RC_BADCLASS3 7 /* Class 3 frame received from
3233 non-Associated station */
3234 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3235 leaving BSS */
3236 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3237 Authenticated with the responding station */
3238 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3239 scan_forceloss = 1;
3240 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
3241 if (auto_wep)
3242 apriv->expires = 0;
3243 if (apriv->list_bss_task)
3244 wake_up_process(apriv->list_bss_task);
3245 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3246 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
3247
3248 if (down_trylock(&apriv->sem) != 0) {
3249 set_bit(JOB_EVENT, &apriv->jobs);
3250 wake_up_interruptible(&apriv->thr_wait);
3251 } else
3252 airo_send_event(dev);
3253 } else if (!scan_forceloss) {
3254 if (auto_wep && !apriv->expires) {
3255 apriv->expires = RUN_AT(3*HZ);
3256 wake_up_interruptible(&apriv->thr_wait);
3257 }
3258
3259 /* Send event to user space */
3260 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3261 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3262 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3263 }
3264 }
3265
3266 /* Check to see if there is something to receive */
3267 if ( status & EV_RX ) {
3268 struct sk_buff *skb = NULL;
3269 u16 fc, len, hdrlen = 0;
3270 #pragma pack(1)
3271 struct {
3272 u16 status, len;
3273 u8 rssi[2];
3274 u8 rate;
3275 u8 freq;
3276 u16 tmp[4];
3277 } hdr;
3278 #pragma pack()
3279 u16 gap;
3280 u16 tmpbuf[4];
3281 u16 *buffer;
3282
3283 if (test_bit(FLAG_MPI,&apriv->flags)) {
3284 if (test_bit(FLAG_802_11, &apriv->flags))
3285 mpi_receive_802_11(apriv);
3286 else
3287 mpi_receive_802_3(apriv);
3288 OUT4500(apriv, EVACK, EV_RX);
3289 goto exitrx;
3290 }
3291
3292 fid = IN4500( apriv, RXFID );
3293
3294 /* Get the packet length */
3295 if (test_bit(FLAG_802_11, &apriv->flags)) {
3296 bap_setup (apriv, fid, 4, BAP0);
3297 bap_read (apriv, (u16*)&hdr, sizeof(hdr), BAP0);
3298 /* Bad CRC. Ignore packet */
3299 if (le16_to_cpu(hdr.status) & 2)
3300 hdr.len = 0;
3301 if (apriv->wifidev == NULL)
3302 hdr.len = 0;
3303 } else {
3304 bap_setup (apriv, fid, 0x36, BAP0);
3305 bap_read (apriv, (u16*)&hdr.len, 2, BAP0);
3306 }
3307 len = le16_to_cpu(hdr.len);
3308
3309 if (len > AIRO_DEF_MTU) {
3310 airo_print_err(apriv->dev->name, "Bad size %d", len);
3311 goto badrx;
3312 }
3313 if (len == 0)
3314 goto badrx;
3315
3316 if (test_bit(FLAG_802_11, &apriv->flags)) {
3317 bap_read (apriv, (u16*)&fc, sizeof(fc), BAP0);
3318 fc = le16_to_cpu(fc);
3319 switch (fc & 0xc) {
3320 case 4:
3321 if ((fc & 0xe0) == 0xc0)
3322 hdrlen = 10;
3323 else
3324 hdrlen = 16;
3325 break;
3326 case 8:
3327 if ((fc&0x300)==0x300){
3328 hdrlen = 30;
3329 break;
3330 }
3331 default:
3332 hdrlen = 24;
3333 }
3334 } else
3335 hdrlen = ETH_ALEN * 2;
3336
3337 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3338 if ( !skb ) {
3339 apriv->stats.rx_dropped++;
3340 goto badrx;
3341 }
3342 skb_reserve(skb, 2); /* This way the IP header is aligned */
3343 buffer = (u16*)skb_put (skb, len + hdrlen);
3344 if (test_bit(FLAG_802_11, &apriv->flags)) {
3345 buffer[0] = fc;
3346 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3347 if (hdrlen == 24)
3348 bap_read (apriv, tmpbuf, 6, BAP0);
3349
3350 bap_read (apriv, &gap, sizeof(gap), BAP0);
3351 gap = le16_to_cpu(gap);
3352 if (gap) {
3353 if (gap <= 8) {
3354 bap_read (apriv, tmpbuf, gap, BAP0);
3355 } else {
3356 airo_print_err(apriv->dev->name, "gaplen too "
3357 "big. Problems will follow...");
3358 }
3359 }
3360 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3361 } else {
3362 MICBuffer micbuf;
3363 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
3364 if (apriv->micstats.enabled) {
3365 bap_read (apriv,(u16*)&micbuf,sizeof(micbuf),BAP0);
3366 if (ntohs(micbuf.typelen) > 0x05DC)
3367 bap_setup (apriv, fid, 0x44, BAP0);
3368 else {
3369 if (len <= sizeof(micbuf))
3370 goto badmic;
3371
3372 len -= sizeof(micbuf);
3373 skb_trim (skb, len + hdrlen);
3374 }
3375 }
3376 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
3377 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3378 badmic:
3379 dev_kfree_skb_irq (skb);
3380 badrx:
3381 OUT4500( apriv, EVACK, EV_RX);
3382 goto exitrx;
3383 }
3384 }
3385 #ifdef WIRELESS_SPY
3386 if (apriv->spy_data.spy_number > 0) {
3387 char *sa;
3388 struct iw_quality wstats;
3389 /* Prepare spy data : addr + qual */
3390 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3391 sa = (char*)buffer + 6;
3392 bap_setup (apriv, fid, 8, BAP0);
3393 bap_read (apriv, (u16*)hdr.rssi, 2, BAP0);
3394 } else
3395 sa = (char*)buffer + 10;
3396 wstats.qual = hdr.rssi[0];
3397 if (apriv->rssi)
3398 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3399 else
3400 wstats.level = (hdr.rssi[1] + 321) / 2;
3401 wstats.noise = apriv->wstats.qual.noise;
3402 wstats.updated = IW_QUAL_LEVEL_UPDATED
3403 | IW_QUAL_QUAL_UPDATED
3404 | IW_QUAL_DBM;
3405 /* Update spy records */
3406 wireless_spy_update(dev, sa, &wstats);
3407 }
3408 #endif /* WIRELESS_SPY */
3409 OUT4500( apriv, EVACK, EV_RX);
3410
3411 if (test_bit(FLAG_802_11, &apriv->flags)) {
3412 skb->mac.raw = skb->data;
3413 skb->pkt_type = PACKET_OTHERHOST;
3414 skb->dev = apriv->wifidev;
3415 skb->protocol = htons(ETH_P_802_2);
3416 } else {
3417 skb->dev = dev;
3418 skb->protocol = eth_type_trans(skb,dev);
3419 }
3420 skb->dev->last_rx = jiffies;
3421 skb->ip_summed = CHECKSUM_NONE;
3422
3423 netif_rx( skb );
3424 }
3425 exitrx:
3426
3427 /* Check to see if a packet has been transmitted */
3428 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3429 int i;
3430 int len = 0;
3431 int index = -1;
3432
3433 if (test_bit(FLAG_MPI,&apriv->flags)) {
3434 unsigned long flags;
3435
3436 if (status & EV_TXEXC)
3437 get_tx_error(apriv, -1);
3438 spin_lock_irqsave(&apriv->aux_lock, flags);
3439 if (!skb_queue_empty(&apriv->txq)) {
3440 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3441 mpi_send_packet (dev);
3442 } else {
3443 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3444 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3445 netif_wake_queue (dev);
3446 }
3447 OUT4500( apriv, EVACK,
3448 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3449 goto exittx;
3450 }
3451
3452 fid = IN4500(apriv, TXCOMPLFID);
3453
3454 for( i = 0; i < MAX_FIDS; i++ ) {
3455 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3456 len = apriv->fids[i] >> 16;
3457 index = i;
3458 }
3459 }
3460 if (index != -1) {
3461 if (status & EV_TXEXC)
3462 get_tx_error(apriv, index);
3463 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3464 /* Set up to be used again */
3465 apriv->fids[index] &= 0xffff;
3466 if (index < MAX_FIDS / 2) {
3467 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3468 netif_wake_queue(dev);
3469 } else {
3470 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3471 netif_wake_queue(apriv->wifidev);
3472 }
3473 } else {
3474 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3475 airo_print_err(apriv->dev->name, "Unallocated FID was "
3476 "used to xmit" );
3477 }
3478 }
3479 exittx:
3480 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
3481 airo_print_warn(apriv->dev->name, "Got weird status %x",
3482 status & ~STATUS_INTS & ~IGNORE_INTS );
3483 }
3484
3485 if (savedInterrupts)
3486 OUT4500( apriv, EVINTEN, savedInterrupts );
3487
3488 /* done.. */
3489 return IRQ_RETVAL(handled);
3490 }
3491
3492 /*
3493 * Routines to talk to the card
3494 */
3495
3496 /*
3497 * This was originally written for the 4500, hence the name
3498 * NOTE: If use with 8bit mode and SMP bad things will happen!
3499 * Why would some one do 8 bit IO in an SMP machine?!?
3500 */
3501 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3502 if (test_bit(FLAG_MPI,&ai->flags))
3503 reg <<= 1;
3504 if ( !do8bitIO )
3505 outw( val, ai->dev->base_addr + reg );
3506 else {
3507 outb( val & 0xff, ai->dev->base_addr + reg );
3508 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3509 }
3510 }
3511
3512 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3513 unsigned short rc;
3514
3515 if (test_bit(FLAG_MPI,&ai->flags))
3516 reg <<= 1;
3517 if ( !do8bitIO )
3518 rc = inw( ai->dev->base_addr + reg );
3519 else {
3520 rc = inb( ai->dev->base_addr + reg );
3521 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3522 }
3523 return rc;
3524 }
3525
3526 static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock ) {
3527 int rc;
3528 Cmd cmd;
3529
3530 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3531 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3532 * Note : we could try to use !netif_running(dev) in enable_MAC()
3533 * instead of this flag, but I don't trust it *within* the
3534 * open/close functions, and testing both flags together is
3535 * "cheaper" - Jean II */
3536 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3537
3538 if (lock && down_interruptible(&ai->sem))
3539 return -ERESTARTSYS;
3540
3541 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3542 memset(&cmd, 0, sizeof(cmd));
3543 cmd.cmd = MAC_ENABLE;
3544 rc = issuecommand(ai, &cmd, rsp);
3545 if (rc == SUCCESS)
3546 set_bit(FLAG_ENABLED, &ai->flags);
3547 } else
3548 rc = SUCCESS;
3549
3550 if (lock)
3551 up(&ai->sem);
3552
3553 if (rc)
3554 airo_print_err(ai->dev->name, "%s: Cannot enable MAC, err=%d",
3555 __FUNCTION__, rc);
3556 return rc;
3557 }
3558
3559 static void disable_MAC( struct airo_info *ai, int lock ) {
3560 Cmd cmd;
3561 Resp rsp;
3562
3563 if (lock && down_interruptible(&ai->sem))
3564 return;
3565
3566 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3567 memset(&cmd, 0, sizeof(cmd));
3568 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3569 issuecommand(ai, &cmd, &rsp);
3570 clear_bit(FLAG_ENABLED, &ai->flags);
3571 }
3572 if (lock)
3573 up(&ai->sem);
3574 }
3575
3576 static void enable_interrupts( struct airo_info *ai ) {
3577 /* Enable the interrupts */
3578 OUT4500( ai, EVINTEN, STATUS_INTS );
3579 }
3580
3581 static void disable_interrupts( struct airo_info *ai ) {
3582 OUT4500( ai, EVINTEN, 0 );
3583 }
3584
3585 static void mpi_receive_802_3(struct airo_info *ai)
3586 {
3587 RxFid rxd;
3588 int len = 0;
3589 struct sk_buff *skb;
3590 char *buffer;
3591 int off = 0;
3592 MICBuffer micbuf;
3593
3594 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3595 /* Make sure we got something */
3596 if (rxd.rdy && rxd.valid == 0) {
3597 len = rxd.len + 12;
3598 if (len < 12 || len > 2048)
3599 goto badrx;
3600
3601 skb = dev_alloc_skb(len);
3602 if (!skb) {
3603 ai->stats.rx_dropped++;
3604 goto badrx;
3605 }
3606 buffer = skb_put(skb,len);
3607 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3608 if (ai->micstats.enabled) {
3609 memcpy(&micbuf,
3610 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3611 sizeof(micbuf));
3612 if (ntohs(micbuf.typelen) <= 0x05DC) {
3613 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3614 goto badmic;
3615
3616 off = sizeof(micbuf);
3617 skb_trim (skb, len - off);
3618 }
3619 }
3620 memcpy(buffer + ETH_ALEN * 2,
3621 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3622 len - ETH_ALEN * 2 - off);
3623 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3624 badmic:
3625 dev_kfree_skb_irq (skb);
3626 goto badrx;
3627 }
3628 #ifdef WIRELESS_SPY
3629 if (ai->spy_data.spy_number > 0) {
3630 char *sa;
3631 struct iw_quality wstats;
3632 /* Prepare spy data : addr + qual */
3633 sa = buffer + ETH_ALEN;
3634 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3635 wstats.level = 0;
3636 wstats.updated = 0;
3637 /* Update spy records */
3638 wireless_spy_update(ai->dev, sa, &wstats);
3639 }
3640 #endif /* WIRELESS_SPY */
3641
3642 skb->dev = ai->dev;
3643 skb->ip_summed = CHECKSUM_NONE;
3644 skb->protocol = eth_type_trans(skb, ai->dev);
3645 skb->dev->last_rx = jiffies;
3646 netif_rx(skb);
3647 }
3648 badrx:
3649 if (rxd.valid == 0) {
3650 rxd.valid = 1;
3651 rxd.rdy = 0;
3652 rxd.len = PKTSIZE;
3653 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3654 }
3655 }
3656
3657 void mpi_receive_802_11 (struct airo_info *ai)
3658 {
3659 RxFid rxd;
3660 struct sk_buff *skb = NULL;
3661 u16 fc, len, hdrlen = 0;
3662 #pragma pack(1)
3663 struct {
3664 u16 status, len;
3665 u8 rssi[2];
3666 u8 rate;
3667 u8 freq;
3668 u16 tmp[4];
3669 } hdr;
3670 #pragma pack()
3671 u16 gap;
3672 u16 *buffer;
3673 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3674
3675 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3676 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3677 ptr += sizeof(hdr);
3678 /* Bad CRC. Ignore packet */
3679 if (le16_to_cpu(hdr.status) & 2)
3680 hdr.len = 0;
3681 if (ai->wifidev == NULL)
3682 hdr.len = 0;
3683 len = le16_to_cpu(hdr.len);
3684 if (len > AIRO_DEF_MTU) {
3685 airo_print_err(ai->dev->name, "Bad size %d", len);
3686 goto badrx;
3687 }
3688 if (len == 0)
3689 goto badrx;
3690
3691 memcpy ((char *)&fc, ptr, sizeof(fc));
3692 fc = le16_to_cpu(fc);
3693 switch (fc & 0xc) {
3694 case 4:
3695 if ((fc & 0xe0) == 0xc0)
3696 hdrlen = 10;
3697 else
3698 hdrlen = 16;
3699 break;
3700 case 8:
3701 if ((fc&0x300)==0x300){
3702 hdrlen = 30;
3703 break;
3704 }
3705 default:
3706 hdrlen = 24;
3707 }
3708
3709 skb = dev_alloc_skb( len + hdrlen + 2 );
3710 if ( !skb ) {
3711 ai->stats.rx_dropped++;
3712 goto badrx;
3713 }
3714 buffer = (u16*)skb_put (skb, len + hdrlen);
3715 memcpy ((char *)buffer, ptr, hdrlen);
3716 ptr += hdrlen;
3717 if (hdrlen == 24)
3718 ptr += 6;
3719 memcpy ((char *)&gap, ptr, sizeof(gap));
3720 ptr += sizeof(gap);
3721 gap = le16_to_cpu(gap);
3722 if (gap) {
3723 if (gap <= 8)
3724 ptr += gap;
3725 else
3726 airo_print_err(ai->dev->name,
3727 "gaplen too big. Problems will follow...");
3728 }
3729 memcpy ((char *)buffer + hdrlen, ptr, len);
3730 ptr += len;
3731 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3732 if (ai->spy_data.spy_number > 0) {
3733 char *sa;
3734 struct iw_quality wstats;
3735 /* Prepare spy data : addr + qual */
3736 sa = (char*)buffer + 10;
3737 wstats.qual = hdr.rssi[0];
3738 if (ai->rssi)
3739 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3740 else
3741 wstats.level = (hdr.rssi[1] + 321) / 2;
3742 wstats.noise = ai->wstats.qual.noise;
3743 wstats.updated = IW_QUAL_QUAL_UPDATED
3744 | IW_QUAL_LEVEL_UPDATED
3745 | IW_QUAL_DBM;
3746 /* Update spy records */
3747 wireless_spy_update(ai->dev, sa, &wstats);
3748 }
3749 #endif /* IW_WIRELESS_SPY */
3750 skb->mac.raw = skb->data;
3751 skb->pkt_type = PACKET_OTHERHOST;
3752 skb->dev = ai->wifidev;
3753 skb->protocol = htons(ETH_P_802_2);
3754 skb->dev->last_rx = jiffies;
3755 skb->ip_summed = CHECKSUM_NONE;
3756 netif_rx( skb );
3757 badrx:
3758 if (rxd.valid == 0) {
3759 rxd.valid = 1;
3760 rxd.rdy = 0;
3761 rxd.len = PKTSIZE;
3762 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3763 }
3764 }
3765
3766 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3767 {
3768 Cmd cmd;
3769 Resp rsp;
3770 int status;
3771 int i;
3772 SsidRid mySsid;
3773 u16 lastindex;
3774 WepKeyRid wkr;
3775 int rc;
3776
3777 memset( &mySsid, 0, sizeof( mySsid ) );
3778 kfree (ai->flash);
3779 ai->flash = NULL;
3780
3781 /* The NOP is the first step in getting the card going */
3782 cmd.cmd = NOP;
3783 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3784 if (lock && down_interruptible(&ai->sem))
3785 return ERROR;
3786 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3787 if (lock)
3788 up(&ai->sem);
3789 return ERROR;
3790 }
3791 disable_MAC( ai, 0);
3792
3793 // Let's figure out if we need to use the AUX port
3794 if (!test_bit(FLAG_MPI,&ai->flags)) {
3795 cmd.cmd = CMD_ENABLEAUX;
3796 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3797 if (lock)
3798 up(&ai->sem);
3799 airo_print_err(ai->dev->name, "Error checking for AUX port");
3800 return ERROR;
3801 }
3802 if (!aux_bap || rsp.status & 0xff00) {
3803 ai->bap_read = fast_bap_read;
3804 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3805 } else {
3806 ai->bap_read = aux_bap_read;
3807 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3808 }
3809 }
3810 if (lock)
3811 up(&ai->sem);
3812 if (ai->config.len == 0) {
3813 tdsRssiRid rssi_rid;
3814 CapabilityRid cap_rid;
3815
3816 kfree(ai->APList);
3817 ai->APList = NULL;
3818 kfree(ai->SSID);
3819 ai->SSID = NULL;
3820 // general configuration (read/modify/write)
3821 status = readConfigRid(ai, lock);
3822 if ( status != SUCCESS ) return ERROR;
3823
3824 status = readCapabilityRid(ai, &cap_rid, lock);
3825 if ( status != SUCCESS ) return ERROR;
3826
3827 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3828 if ( status == SUCCESS ) {
3829 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3830 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3831 }
3832 else {
3833 kfree(ai->rssi);
3834 ai->rssi = NULL;
3835 if (cap_rid.softCap & 8)
3836 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3837 else
3838 airo_print_warn(ai->dev->name, "unknown received signal "
3839 "level scale");
3840 }
3841 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3842 ai->config.authType = AUTH_OPEN;
3843 ai->config.modulation = MOD_CCK;
3844
3845 if ((cap_rid.len>=sizeof(cap_rid)) && (cap_rid.extSoftCap&1) &&
3846 (micsetup(ai) == SUCCESS)) {
3847 ai->config.opmode |= MODE_MIC;
3848 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3849 }
3850
3851 /* Save off the MAC */
3852 for( i = 0; i < ETH_ALEN; i++ ) {
3853 mac[i] = ai->config.macAddr[i];
3854 }
3855
3856 /* Check to see if there are any insmod configured
3857 rates to add */
3858 if ( rates[0] ) {
3859 int i = 0;
3860 memset(ai->config.rates,0,sizeof(ai->config.rates));
3861 for( i = 0; i < 8 && rates[i]; i++ ) {
3862 ai->config.rates[i] = rates[i];
3863 }
3864 }
3865 if ( basic_rate > 0 ) {
3866 int i;
3867 for( i = 0; i < 8; i++ ) {
3868 if ( ai->config.rates[i] == basic_rate ||
3869 !ai->config.rates ) {
3870 ai->config.rates[i] = basic_rate | 0x80;
3871 break;
3872 }
3873 }
3874 }
3875 set_bit (FLAG_COMMIT, &ai->flags);
3876 }
3877
3878 /* Setup the SSIDs if present */
3879 if ( ssids[0] ) {
3880 int i;
3881 for( i = 0; i < 3 && ssids[i]; i++ ) {
3882 mySsid.ssids[i].len = strlen(ssids[i]);
3883 if ( mySsid.ssids[i].len > 32 )
3884 mySsid.ssids[i].len = 32;
3885 memcpy(mySsid.ssids[i].ssid, ssids[i],
3886 mySsid.ssids[i].len);
3887 }
3888 mySsid.len = sizeof(mySsid);
3889 }
3890
3891 status = writeConfigRid(ai, lock);
3892 if ( status != SUCCESS ) return ERROR;
3893
3894 /* Set up the SSID list */
3895 if ( ssids[0] ) {
3896 status = writeSsidRid(ai, &mySsid, lock);
3897 if ( status != SUCCESS ) return ERROR;
3898 }
3899
3900 status = enable_MAC(ai, &rsp, lock);
3901 if ( status != SUCCESS || (rsp.status & 0xFF00) != 0) {
3902 airo_print_err(ai->dev->name, "Bad MAC enable reason = %x, rid = %x,"
3903 " offset = %d", rsp.rsp0, rsp.rsp1, rsp.rsp2 );
3904 return ERROR;
3905 }
3906
3907 /* Grab the initial wep key, we gotta save it for auto_wep */
3908 rc = readWepKeyRid(ai, &wkr, 1, lock);
3909 if (rc == SUCCESS) do {
3910 lastindex = wkr.kindex;
3911 if (wkr.kindex == 0xffff) {
3912 ai->defindex = wkr.mac[0];
3913 }
3914 rc = readWepKeyRid(ai, &wkr, 0, lock);
3915 } while(lastindex != wkr.kindex);
3916
3917 if (auto_wep) {
3918 ai->expires = RUN_AT(3*HZ);
3919 wake_up_interruptible(&ai->thr_wait);
3920 }
3921
3922 return SUCCESS;
3923 }
3924
3925 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3926 // Im really paranoid about letting it run forever!
3927 int max_tries = 600000;
3928
3929 if (IN4500(ai, EVSTAT) & EV_CMD)
3930 OUT4500(ai, EVACK, EV_CMD);
3931
3932 OUT4500(ai, PARAM0, pCmd->parm0);
3933 OUT4500(ai, PARAM1, pCmd->parm1);
3934 OUT4500(ai, PARAM2, pCmd->parm2);
3935 OUT4500(ai, COMMAND, pCmd->cmd);
3936
3937 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3938 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3939 // PC4500 didn't notice command, try again
3940 OUT4500(ai, COMMAND, pCmd->cmd);
3941 if (!in_atomic() && (max_tries & 255) == 0)
3942 schedule();
3943 }
3944
3945 if ( max_tries == -1 ) {
3946 airo_print_err(ai->dev->name,
3947 "Max tries exceeded when issueing command");
3948 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3949 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3950 return ERROR;
3951 }
3952
3953 // command completed
3954 pRsp->status = IN4500(ai, STATUS);
3955 pRsp->rsp0 = IN4500(ai, RESP0);
3956 pRsp->rsp1 = IN4500(ai, RESP1);
3957 pRsp->rsp2 = IN4500(ai, RESP2);
3958 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3959 airo_print_err(ai->dev->name,
3960 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3961 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3962 pRsp->rsp2);
3963
3964 // clear stuck command busy if necessary
3965 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3966 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3967 }
3968 // acknowledge processing the status/response
3969 OUT4500(ai, EVACK, EV_CMD);
3970
3971 return SUCCESS;
3972 }
3973
3974 /* Sets up the bap to start exchange data. whichbap should
3975 * be one of the BAP0 or BAP1 defines. Locks should be held before
3976 * calling! */
3977 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3978 {
3979 int timeout = 50;
3980 int max_tries = 3;
3981
3982 OUT4500(ai, SELECT0+whichbap, rid);
3983 OUT4500(ai, OFFSET0+whichbap, offset);
3984 while (1) {
3985 int status = IN4500(ai, OFFSET0+whichbap);
3986 if (status & BAP_BUSY) {
3987 /* This isn't really a timeout, but its kinda
3988 close */
3989 if (timeout--) {
3990 continue;
3991 }
3992 } else if ( status & BAP_ERR ) {
3993 /* invalid rid or offset */
3994 airo_print_err(ai->dev->name, "BAP error %x %d",
3995 status, whichbap );
3996 return ERROR;
3997 } else if (status & BAP_DONE) { // success
3998 return SUCCESS;
3999 }
4000 if ( !(max_tries--) ) {
4001 airo_print_err(ai->dev->name,
4002 "airo: BAP setup error too many retries\n");
4003 return ERROR;
4004 }
4005 // -- PC4500 missed it, try again
4006 OUT4500(ai, SELECT0+whichbap, rid);
4007 OUT4500(ai, OFFSET0+whichbap, offset);
4008 timeout = 50;
4009 }
4010 }
4011
4012 /* should only be called by aux_bap_read. This aux function and the
4013 following use concepts not documented in the developers guide. I
4014 got them from a patch given to my by Aironet */
4015 static u16 aux_setup(struct airo_info *ai, u16 page,
4016 u16 offset, u16 *len)
4017 {
4018 u16 next;
4019
4020 OUT4500(ai, AUXPAGE, page);
4021 OUT4500(ai, AUXOFF, 0);
4022 next = IN4500(ai, AUXDATA);
4023 *len = IN4500(ai, AUXDATA)&0xff;
4024 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4025 return next;
4026 }
4027
4028 /* requires call to bap_setup() first */
4029 static int aux_bap_read(struct airo_info *ai, u16 *pu16Dst,
4030 int bytelen, int whichbap)
4031 {
4032 u16 len;
4033 u16 page;
4034 u16 offset;
4035 u16 next;
4036 int words;
4037 int i;
4038 unsigned long flags;
4039
4040 spin_lock_irqsave(&ai->aux_lock, flags);
4041 page = IN4500(ai, SWS0+whichbap);
4042 offset = IN4500(ai, SWS2+whichbap);
4043 next = aux_setup(ai, page, offset, &len);
4044 words = (bytelen+1)>>1;
4045
4046 for (i=0; i<words;) {
4047 int count;
4048 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4049 if ( !do8bitIO )
4050 insw( ai->dev->base_addr+DATA0+whichbap,
4051 pu16Dst+i,count );
4052 else
4053 insb( ai->dev->base_addr+DATA0+whichbap,
4054 pu16Dst+i, count << 1 );
4055 i += count;
4056 if (i<words) {
4057 next = aux_setup(ai, next, 4, &len);
4058 }
4059 }
4060 spin_unlock_irqrestore(&ai->aux_lock, flags);
4061 return SUCCESS;
4062 }
4063
4064
4065 /* requires call to bap_setup() first */
4066 static int fast_bap_read(struct airo_info *ai, u16 *pu16Dst,
4067 int bytelen, int whichbap)
4068 {
4069 bytelen = (bytelen + 1) & (~1); // round up to even value
4070 if ( !do8bitIO )
4071 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4072 else
4073 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4074 return SUCCESS;
4075 }
4076
4077 /* requires call to bap_setup() first */
4078 static int bap_write(struct airo_info *ai, const u16 *pu16Src,
4079 int bytelen, int whichbap)
4080 {
4081 bytelen = (bytelen + 1) & (~1); // round up to even value
4082 if ( !do8bitIO )
4083 outsw( ai->dev->base_addr+DATA0+whichbap,
4084 pu16Src, bytelen>>1 );
4085 else
4086 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4087 return SUCCESS;
4088 }
4089
4090 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4091 {
4092 Cmd cmd; /* for issuing commands */
4093 Resp rsp; /* response from commands */
4094 u16 status;
4095
4096 memset(&cmd, 0, sizeof(cmd));
4097 cmd.cmd = accmd;
4098 cmd.parm0 = rid;
4099 status = issuecommand(ai, &cmd, &rsp);
4100 if (status != 0) return status;
4101 if ( (rsp.status & 0x7F00) != 0) {
4102 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4103 }
4104 return 0;
4105 }
4106
4107 /* Note, that we are using BAP1 which is also used by transmit, so
4108 * we must get a lock. */
4109 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4110 {
4111 u16 status;
4112 int rc = SUCCESS;
4113
4114 if (lock) {
4115 if (down_interruptible(&ai->sem))
4116 return ERROR;
4117 }
4118 if (test_bit(FLAG_MPI,&ai->flags)) {
4119 Cmd cmd;
4120 Resp rsp;
4121
4122 memset(&cmd, 0, sizeof(cmd));
4123 memset(&rsp, 0, sizeof(rsp));
4124 ai->config_desc.rid_desc.valid = 1;
4125 ai->config_desc.rid_desc.len = RIDSIZE;
4126 ai->config_desc.rid_desc.rid = 0;
4127 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4128
4129 cmd.cmd = CMD_ACCESS;
4130 cmd.parm0 = rid;
4131
4132 memcpy_toio(ai->config_desc.card_ram_off,
4133 &ai->config_desc.rid_desc, sizeof(Rid));
4134
4135 rc = issuecommand(ai, &cmd, &rsp);
4136
4137 if (rsp.status & 0x7f00)
4138 rc = rsp.rsp0;
4139 if (!rc)
4140 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4141 goto done;
4142 } else {
4143 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4144 rc = status;
4145 goto done;
4146 }
4147 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4148 rc = ERROR;
4149 goto done;
4150 }
4151 // read the rid length field
4152 bap_read(ai, pBuf, 2, BAP1);
4153 // length for remaining part of rid
4154 len = min(len, (int)le16_to_cpu(*(u16*)pBuf)) - 2;
4155
4156 if ( len <= 2 ) {
4157 airo_print_err(ai->dev->name,
4158 "Rid %x has a length of %d which is too short",
4159 (int)rid, (int)len );
4160 rc = ERROR;
4161 goto done;
4162 }
4163 // read remainder of the rid
4164 rc = bap_read(ai, ((u16*)pBuf)+1, len, BAP1);
4165 }
4166 done:
4167 if (lock)
4168 up(&ai->sem);
4169 return rc;
4170 }
4171
4172 /* Note, that we are using BAP1 which is also used by transmit, so
4173 * make sure this isnt called when a transmit is happening */
4174 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4175 const void *pBuf, int len, int lock)
4176 {
4177 u16 status;
4178 int rc = SUCCESS;
4179
4180 *(u16*)pBuf = cpu_to_le16((u16)len);
4181
4182 if (lock) {
4183 if (down_interruptible(&ai->sem))
4184 return ERROR;
4185 }
4186 if (test_bit(FLAG_MPI,&ai->flags)) {
4187 Cmd cmd;
4188 Resp rsp;
4189
4190 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4191 airo_print_err(ai->dev->name,
4192 "%s: MAC should be disabled (rid=%04x)",
4193 __FUNCTION__, rid);
4194 memset(&cmd, 0, sizeof(cmd));
4195 memset(&rsp, 0, sizeof(rsp));
4196
4197 ai->config_desc.rid_desc.valid = 1;
4198 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4199 ai->config_desc.rid_desc.rid = 0;
4200
4201 cmd.cmd = CMD_WRITERID;
4202 cmd.parm0 = rid;
4203
4204 memcpy_toio(ai->config_desc.card_ram_off,
4205 &ai->config_desc.rid_desc, sizeof(Rid));
4206
4207 if (len < 4 || len > 2047) {
4208 airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
4209 rc = -1;
4210 } else {
4211 memcpy((char *)ai->config_desc.virtual_host_addr,
4212 pBuf, len);
4213
4214 rc = issuecommand(ai, &cmd, &rsp);
4215 if ((rc & 0xff00) != 0) {
4216 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4217 __FUNCTION__, rc);
4218 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4219 __FUNCTION__, cmd.cmd);
4220 }
4221
4222 if ((rsp.status & 0x7f00))
4223 rc = rsp.rsp0;
4224 }
4225 } else {
4226 // --- first access so that we can write the rid data
4227 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4228 rc = status;
4229 goto done;
4230 }
4231 // --- now write the rid data
4232 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4233 rc = ERROR;
4234 goto done;
4235 }
4236 bap_write(ai, pBuf, len, BAP1);
4237 // ---now commit the rid data
4238 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4239 }
4240 done:
4241 if (lock)
4242 up(&ai->sem);
4243 return rc;
4244 }
4245
4246 /* Allocates a FID to be used for transmitting packets. We only use
4247 one for now. */
4248 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4249 {
4250 unsigned int loop = 3000;
4251 Cmd cmd;
4252 Resp rsp;
4253 u16 txFid;
4254 u16 txControl;
4255
4256 cmd.cmd = CMD_ALLOCATETX;
4257 cmd.parm0 = lenPayload;
4258 if (down_interruptible(&ai->sem))
4259 return ERROR;
4260 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4261 txFid = ERROR;
4262 goto done;
4263 }
4264 if ( (rsp.status & 0xFF00) != 0) {
4265 txFid = ERROR;
4266 goto done;
4267 }
4268 /* wait for the allocate event/indication
4269 * It makes me kind of nervous that this can just sit here and spin,
4270 * but in practice it only loops like four times. */
4271 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4272 if (!loop) {
4273 txFid = ERROR;
4274 goto done;
4275 }
4276
4277 // get the allocated fid and acknowledge
4278 txFid = IN4500(ai, TXALLOCFID);
4279 OUT4500(ai, EVACK, EV_ALLOC);
4280
4281 /* The CARD is pretty cool since it converts the ethernet packet
4282 * into 802.11. Also note that we don't release the FID since we
4283 * will be using the same one over and over again. */
4284 /* We only have to setup the control once since we are not
4285 * releasing the fid. */
4286 if (raw)
4287 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4288 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4289 else
4290 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4291 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4292 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4293 txFid = ERROR;
4294 else
4295 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4296
4297 done:
4298 up(&ai->sem);
4299
4300 return txFid;
4301 }
4302
4303 /* In general BAP1 is dedicated to transmiting packets. However,
4304 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4305 Make sure the BAP1 spinlock is held when this is called. */
4306 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4307 {
4308 u16 payloadLen;
4309 Cmd cmd;
4310 Resp rsp;
4311 int miclen = 0;
4312 u16 txFid = len;
4313 MICBuffer pMic;
4314
4315 len >>= 16;
4316
4317 if (len <= ETH_ALEN * 2) {
4318 airo_print_warn(ai->dev->name, "Short packet %d", len);
4319 return ERROR;
4320 }
4321 len -= ETH_ALEN * 2;
4322
4323 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4324 (ntohs(((u16 *)pPacket)[6]) != 0x888E)) {
4325 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4326 return ERROR;
4327 miclen = sizeof(pMic);
4328 }
4329 // packet is destination[6], source[6], payload[len-12]
4330 // write the payload length and dst/src/payload
4331 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4332 /* The hardware addresses aren't counted as part of the payload, so
4333 * we have to subtract the 12 bytes for the addresses off */
4334 payloadLen = cpu_to_le16(len + miclen);
4335 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4336 bap_write(ai, (const u16*)pPacket, sizeof(etherHead), BAP1);
4337 if (miclen)
4338 bap_write(ai, (const u16*)&pMic, miclen, BAP1);
4339 bap_write(ai, (const u16*)(pPacket + sizeof(etherHead)), len, BAP1);
4340 // issue the transmit command
4341 memset( &cmd, 0, sizeof( cmd ) );
4342 cmd.cmd = CMD_TRANSMIT;
4343 cmd.parm0 = txFid;
4344 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4345 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4346 return SUCCESS;
4347 }
4348
4349 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4350 {
4351 u16 fc, payloadLen;
4352 Cmd cmd;
4353 Resp rsp;
4354 int hdrlen;
4355 struct {
4356 u8 addr4[ETH_ALEN];
4357 u16 gaplen;
4358 u8 gap[6];
4359 } gap;
4360 u16 txFid = len;
4361 len >>= 16;
4362 gap.gaplen = 6;
4363
4364 fc = le16_to_cpu(*(const u16*)pPacket);
4365 switch (fc & 0xc) {
4366 case 4:
4367 if ((fc & 0xe0) == 0xc0)
4368 hdrlen = 10;
4369 else
4370 hdrlen = 16;
4371 break;
4372 case 8:
4373 if ((fc&0x300)==0x300){
4374 hdrlen = 30;
4375 break;
4376 }
4377 default:
4378 hdrlen = 24;
4379 }
4380
4381 if (len < hdrlen) {
4382 airo_print_warn(ai->dev->name, "Short packet %d", len);
4383 return ERROR;
4384 }
4385
4386 /* packet is 802.11 header + payload
4387 * write the payload length and dst/src/payload */
4388 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4389 /* The 802.11 header aren't counted as part of the payload, so
4390 * we have to subtract the header bytes off */
4391 payloadLen = cpu_to_le16(len-hdrlen);
4392 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4393 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4394 bap_write(ai, (const u16*)pPacket, hdrlen, BAP1);
4395 bap_write(ai, hdrlen == 30 ?
4396 (const u16*)&gap.gaplen : (const u16*)&gap, 38 - hdrlen, BAP1);
4397
4398 bap_write(ai, (const u16*)(pPacket + hdrlen), len - hdrlen, BAP1);
4399 // issue the transmit command
4400 memset( &cmd, 0, sizeof( cmd ) );
4401 cmd.cmd = CMD_TRANSMIT;
4402 cmd.parm0 = txFid;
4403 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4404 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4405 return SUCCESS;
4406 }
4407
4408 /*
4409 * This is the proc_fs routines. It is a bit messier than I would
4410 * like! Feel free to clean it up!
4411 */
4412
4413 static ssize_t proc_read( struct file *file,
4414 char __user *buffer,
4415 size_t len,
4416 loff_t *offset);
4417
4418 static ssize_t proc_write( struct file *file,
4419 const char __user *buffer,
4420 size_t len,
4421 loff_t *offset );
4422 static int proc_close( struct inode *inode, struct file *file );
4423
4424 static int proc_stats_open( struct inode *inode, struct file *file );
4425 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4426 static int proc_status_open( struct inode *inode, struct file *file );
4427 static int proc_SSID_open( struct inode *inode, struct file *file );
4428 static int proc_APList_open( struct inode *inode, struct file *file );
4429 static int proc_BSSList_open( struct inode *inode, struct file *file );
4430 static int proc_config_open( struct inode *inode, struct file *file );
4431 static int proc_wepkey_open( struct inode *inode, struct file *file );
4432
4433 static struct file_operations proc_statsdelta_ops = {
4434 .read = proc_read,
4435 .open = proc_statsdelta_open,
4436 .release = proc_close
4437 };
4438
4439 static struct file_operations proc_stats_ops = {
4440 .read = proc_read,
4441 .open = proc_stats_open,
4442 .release = proc_close
4443 };
4444
4445 static struct file_operations proc_status_ops = {
4446 .read = proc_read,
4447 .open = proc_status_open,
4448 .release = proc_close
4449 };
4450
4451 static struct file_operations proc_SSID_ops = {
4452 .read = proc_read,
4453 .write = proc_write,
4454 .open = proc_SSID_open,
4455 .release = proc_close
4456 };
4457
4458 static struct file_operations proc_BSSList_ops = {
4459 .read = proc_read,
4460 .write = proc_write,
4461 .open = proc_BSSList_open,
4462 .release = proc_close
4463 };
4464
4465 static struct file_operations proc_APList_ops = {
4466 .read = proc_read,
4467 .write = proc_write,
4468 .open = proc_APList_open,
4469 .release = proc_close
4470 };
4471
4472 static struct file_operations proc_config_ops = {
4473 .read = proc_read,
4474 .write = proc_write,
4475 .open = proc_config_open,
4476 .release = proc_close
4477 };
4478
4479 static struct file_operations proc_wepkey_ops = {
4480 .read = proc_read,
4481 .write = proc_write,
4482 .open = proc_wepkey_open,
4483 .release = proc_close
4484 };
4485
4486 static struct proc_dir_entry *airo_entry;
4487
4488 struct proc_data {
4489 int release_buffer;
4490 int readlen;
4491 char *rbuffer;
4492 int writelen;
4493 int maxwritelen;
4494 char *wbuffer;
4495 void (*on_close) (struct inode *, struct file *);
4496 };
4497
4498 #ifndef SETPROC_OPS
4499 #define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4500 #endif
4501
4502 static int setup_proc_entry( struct net_device *dev,
4503 struct airo_info *apriv ) {
4504 struct proc_dir_entry *entry;
4505 /* First setup the device directory */
4506 strcpy(apriv->proc_name,dev->name);
4507 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4508 S_IFDIR|airo_perm,
4509 airo_entry);
4510 if (!apriv->proc_entry)
4511 goto fail;
4512 apriv->proc_entry->uid = proc_uid;
4513 apriv->proc_entry->gid = proc_gid;
4514 apriv->proc_entry->owner = THIS_MODULE;
4515
4516 /* Setup the StatsDelta */
4517 entry = create_proc_entry("StatsDelta",
4518 S_IFREG | (S_IRUGO&proc_perm),
4519 apriv->proc_entry);
4520 if (!entry)
4521 goto fail_stats_delta;
4522 entry->uid = proc_uid;
4523 entry->gid = proc_gid;
4524 entry->data = dev;
4525 entry->owner = THIS_MODULE;
4526 SETPROC_OPS(entry, proc_statsdelta_ops);
4527
4528 /* Setup the Stats */
4529 entry = create_proc_entry("Stats",
4530 S_IFREG | (S_IRUGO&proc_perm),
4531 apriv->proc_entry);
4532 if (!entry)
4533 goto fail_stats;
4534 entry->uid = proc_uid;
4535 entry->gid = proc_gid;
4536 entry->data = dev;
4537 entry->owner = THIS_MODULE;
4538 SETPROC_OPS(entry, proc_stats_ops);
4539
4540 /* Setup the Status */
4541 entry = create_proc_entry("Status",
4542 S_IFREG | (S_IRUGO&proc_perm),
4543 apriv->proc_entry);
4544 if (!entry)
4545 goto fail_status;
4546 entry->uid = proc_uid;
4547 entry->gid = proc_gid;
4548 entry->data = dev;
4549 entry->owner = THIS_MODULE;
4550 SETPROC_OPS(entry, proc_status_ops);
4551
4552 /* Setup the Config */
4553 entry = create_proc_entry("Config",
4554 S_IFREG | proc_perm,
4555 apriv->proc_entry);
4556 if (!entry)
4557 goto fail_config;
4558 entry->uid = proc_uid;
4559 entry->gid = proc_gid;
4560 entry->data = dev;
4561 entry->owner = THIS_MODULE;
4562 SETPROC_OPS(entry, proc_config_ops);
4563
4564 /* Setup the SSID */
4565 entry = create_proc_entry("SSID",
4566 S_IFREG | proc_perm,
4567 apriv->proc_entry);
4568 if (!entry)
4569 goto fail_ssid;
4570 entry->uid = proc_uid;
4571 entry->gid = proc_gid;
4572 entry->data = dev;
4573 entry->owner = THIS_MODULE;
4574 SETPROC_OPS(entry, proc_SSID_ops);
4575
4576 /* Setup the APList */
4577 entry = create_proc_entry("APList",
4578 S_IFREG | proc_perm,
4579 apriv->proc_entry);
4580 if (!entry)
4581 goto fail_aplist;
4582 entry->uid = proc_uid;
4583 entry->gid = proc_gid;
4584 entry->data = dev;
4585 entry->owner = THIS_MODULE;
4586 SETPROC_OPS(entry, proc_APList_ops);
4587
4588 /* Setup the BSSList */
4589 entry = create_proc_entry("BSSList",
4590 S_IFREG | proc_perm,
4591 apriv->proc_entry);
4592 if (!entry)
4593 goto fail_bsslist;
4594 entry->uid = proc_uid;
4595 entry->gid = proc_gid;
4596 entry->data = dev;
4597 entry->owner = THIS_MODULE;
4598 SETPROC_OPS(entry, proc_BSSList_ops);
4599
4600 /* Setup the WepKey */
4601 entry = create_proc_entry("WepKey",
4602 S_IFREG | proc_perm,
4603 apriv->proc_entry);
4604 if (!entry)
4605 goto fail_wepkey;
4606 entry->uid = proc_uid;
4607 entry->gid = proc_gid;
4608 entry->data = dev;
4609 entry->owner = THIS_MODULE;
4610 SETPROC_OPS(entry, proc_wepkey_ops);
4611
4612 return 0;
4613
4614 fail_wepkey:
4615 remove_proc_entry("BSSList", apriv->proc_entry);
4616 fail_bsslist:
4617 remove_proc_entry("APList", apriv->proc_entry);
4618 fail_aplist:
4619 remove_proc_entry("SSID", apriv->proc_entry);
4620 fail_ssid:
4621 remove_proc_entry("Config", apriv->proc_entry);
4622 fail_config:
4623 remove_proc_entry("Status", apriv->proc_entry);
4624 fail_status:
4625 remove_proc_entry("Stats", apriv->proc_entry);
4626 fail_stats:
4627 remove_proc_entry("StatsDelta", apriv->proc_entry);
4628 fail_stats_delta:
4629 remove_proc_entry(apriv->proc_name, airo_entry);
4630 fail:
4631 return -ENOMEM;
4632 }
4633
4634 static int takedown_proc_entry( struct net_device *dev,
4635 struct airo_info *apriv ) {
4636 if ( !apriv->proc_entry->namelen ) return 0;
4637 remove_proc_entry("Stats",apriv->proc_entry);
4638 remove_proc_entry("StatsDelta",apriv->proc_entry);
4639 remove_proc_entry("Status",apriv->proc_entry);
4640 remove_proc_entry("Config",apriv->proc_entry);
4641 remove_proc_entry("SSID",apriv->proc_entry);
4642 remove_proc_entry("APList",apriv->proc_entry);
4643 remove_proc_entry("BSSList",apriv->proc_entry);
4644 remove_proc_entry("WepKey",apriv->proc_entry);
4645 remove_proc_entry(apriv->proc_name,airo_entry);
4646 return 0;
4647 }
4648
4649 /*
4650 * What we want from the proc_fs is to be able to efficiently read
4651 * and write the configuration. To do this, we want to read the
4652 * configuration when the file is opened and write it when the file is
4653 * closed. So basically we allocate a read buffer at open and fill it
4654 * with data, and allocate a write buffer and read it at close.
4655 */
4656
4657 /*
4658 * The read routine is generic, it relies on the preallocated rbuffer
4659 * to supply the data.
4660 */
4661 static ssize_t proc_read( struct file *file,
4662 char __user *buffer,
4663 size_t len,
4664 loff_t *offset )
4665 {
4666 loff_t pos = *offset;
4667 struct proc_data *priv = (struct proc_data*)file->private_data;
4668
4669 if (!priv->rbuffer)
4670 return -EINVAL;
4671
4672 if (pos < 0)
4673 return -EINVAL;
4674 if (pos >= priv->readlen)
4675 return 0;
4676 if (len > priv->readlen - pos)
4677 len = priv->readlen - pos;
4678 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4679 return -EFAULT;
4680 *offset = pos + len;
4681 return len;
4682 }
4683
4684 /*
4685 * The write routine is generic, it fills in a preallocated rbuffer
4686 * to supply the data.
4687 */
4688 static ssize_t proc_write( struct file *file,
4689 const char __user *buffer,
4690 size_t len,
4691 loff_t *offset )
4692 {
4693 loff_t pos = *offset;
4694 struct proc_data *priv = (struct proc_data*)file->private_data;
4695
4696 if (!priv->wbuffer)
4697 return -EINVAL;
4698
4699 if (pos < 0)
4700 return -EINVAL;
4701 if (pos >= priv->maxwritelen)
4702 return 0;
4703 if (len > priv->maxwritelen - pos)
4704 len = priv->maxwritelen - pos;
4705 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4706 return -EFAULT;
4707 if ( pos + len > priv->writelen )
4708 priv->writelen = len + file->f_pos;
4709 *offset = pos + len;
4710 return len;
4711 }
4712
4713 static int proc_status_open( struct inode *inode, struct file *file ) {
4714 struct proc_data *data;
4715 struct proc_dir_entry *dp = PDE(inode);
4716 struct net_device *dev = dp->data;
4717 struct airo_info *apriv = dev->priv;
4718 CapabilityRid cap_rid;
4719 StatusRid status_rid;
4720 int i;
4721
4722 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4723 return -ENOMEM;
4724 data = (struct proc_data *)file->private_data;
4725 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4726 kfree (file->private_data);
4727 return -ENOMEM;
4728 }
4729
4730 readStatusRid(apriv, &status_rid, 1);
4731 readCapabilityRid(apriv, &cap_rid, 1);
4732
4733 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4734 status_rid.mode & 1 ? "CFG ": "",
4735 status_rid.mode & 2 ? "ACT ": "",
4736 status_rid.mode & 0x10 ? "SYN ": "",
4737 status_rid.mode & 0x20 ? "LNK ": "",
4738 status_rid.mode & 0x40 ? "LEAP ": "",
4739 status_rid.mode & 0x80 ? "PRIV ": "",
4740 status_rid.mode & 0x100 ? "KEY ": "",
4741 status_rid.mode & 0x200 ? "WEP ": "",
4742 status_rid.mode & 0x8000 ? "ERR ": "");
4743 sprintf( data->rbuffer+i, "Mode: %x\n"
4744 "Signal Strength: %d\n"
4745 "Signal Quality: %d\n"
4746 "SSID: %-.*s\n"
4747 "AP: %-.16s\n"
4748 "Freq: %d\n"
4749 "BitRate: %dmbs\n"
4750 "Driver Version: %s\n"
4751 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4752 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4753 "Software Version: %x\nSoftware Subversion: %x\n"
4754 "Boot block version: %x\n",
4755 (int)status_rid.mode,
4756 (int)status_rid.normalizedSignalStrength,
4757 (int)status_rid.signalQuality,
4758 (int)status_rid.SSIDlen,
4759 status_rid.SSID,
4760 status_rid.apName,
4761 (int)status_rid.channel,
4762 (int)status_rid.currentXmitRate/2,
4763 version,
4764 cap_rid.prodName,
4765 cap_rid.manName,
4766 cap_rid.prodVer,
4767 cap_rid.radioType,
4768 cap_rid.country,
4769 cap_rid.hardVer,
4770 (int)cap_rid.softVer,
4771 (int)cap_rid.softSubVer,
4772 (int)cap_rid.bootBlockVer );
4773 data->readlen = strlen( data->rbuffer );
4774 return 0;
4775 }
4776
4777 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4778 static int proc_statsdelta_open( struct inode *inode,
4779 struct file *file ) {
4780 if (file->f_mode&FMODE_WRITE) {
4781 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4782 }
4783 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4784 }
4785
4786 static int proc_stats_open( struct inode *inode, struct file *file ) {
4787 return proc_stats_rid_open(inode, file, RID_STATS);
4788 }
4789
4790 static int proc_stats_rid_open( struct inode *inode,
4791 struct file *file,
4792 u16 rid ) {
4793 struct proc_data *data;
4794 struct proc_dir_entry *dp = PDE(inode);
4795 struct net_device *dev = dp->data;
4796 struct airo_info *apriv = dev->priv;
4797 StatsRid stats;
4798 int i, j;
4799 u32 *vals = stats.vals;
4800
4801 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4802 return -ENOMEM;
4803 data = (struct proc_data *)file->private_data;
4804 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4805 kfree (file->private_data);
4806 return -ENOMEM;
4807 }
4808
4809 readStatsRid(apriv, &stats, rid, 1);
4810
4811 j = 0;
4812 for(i=0; statsLabels[i]!=(char *)-1 &&
4813 i*4<stats.len; i++){
4814 if (!statsLabels[i]) continue;
4815 if (j+strlen(statsLabels[i])+16>4096) {
4816 airo_print_warn(apriv->dev->name,
4817 "Potentially disasterous buffer overflow averted!");
4818 break;
4819 }
4820 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], vals[i]);
4821 }
4822 if (i*4>=stats.len){
4823 airo_print_warn(apriv->dev->name, "Got a short rid");
4824 }
4825 data->readlen = j;
4826 return 0;
4827 }
4828
4829 static int get_dec_u16( char *buffer, int *start, int limit ) {
4830 u16 value;
4831 int valid = 0;
4832 for( value = 0; buffer[*start] >= '0' &&
4833 buffer[*start] <= '9' &&
4834 *start < limit; (*start)++ ) {
4835 valid = 1;
4836 value *= 10;
4837 value += buffer[*start] - '0';
4838 }
4839 if ( !valid ) return -1;
4840 return value;
4841 }
4842
4843 static int airo_config_commit(struct net_device *dev,
4844 struct iw_request_info *info, void *zwrq,
4845 char *extra);
4846
4847 static void proc_config_on_close( struct inode *inode, struct file *file ) {
4848 struct proc_data *data = file->private_data;
4849 struct proc_dir_entry *dp = PDE(inode);
4850 struct net_device *dev = dp->data;
4851 struct airo_info *ai = dev->priv;
4852 char *line;
4853
4854 if ( !data->writelen ) return;
4855
4856 readConfigRid(ai, 1);
4857 set_bit (FLAG_COMMIT, &ai->flags);
4858
4859 line = data->wbuffer;
4860 while( line[0] ) {
4861 /*** Mode processing */
4862 if ( !strncmp( line, "Mode: ", 6 ) ) {
4863 line += 6;
4864 if ((ai->config.rmode & 0xff) >= RXMODE_RFMON)
4865 set_bit (FLAG_RESET, &ai->flags);
4866 ai->config.rmode &= 0xfe00;
4867 clear_bit (FLAG_802_11, &ai->flags);
4868 ai->config.opmode &= 0xFF00;
4869 ai->config.scanMode = SCANMODE_ACTIVE;
4870 if ( line[0] == 'a' ) {
4871 ai->config.opmode |= 0;
4872 } else {
4873 ai->config.opmode |= 1;
4874 if ( line[0] == 'r' ) {
4875 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4876 ai->config.scanMode = SCANMODE_PASSIVE;
4877 set_bit (FLAG_802_11, &ai->flags);
4878 } else if ( line[0] == 'y' ) {
4879 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4880 ai->config.scanMode = SCANMODE_PASSIVE;
4881 set_bit (FLAG_802_11, &ai->flags);
4882 } else if ( line[0] == 'l' )
4883 ai->config.rmode |= RXMODE_LANMON;
4884 }
4885 set_bit (FLAG_COMMIT, &ai->flags);
4886 }
4887
4888 /*** Radio status */
4889 else if (!strncmp(line,"Radio: ", 7)) {
4890 line += 7;
4891 if (!strncmp(line,"off",3)) {
4892 set_bit (FLAG_RADIO_OFF, &ai->flags);
4893 } else {
4894 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4895 }
4896 }
4897 /*** NodeName processing */
4898 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4899 int j;
4900
4901 line += 10;
4902 memset( ai->config.nodeName, 0, 16 );
4903 /* Do the name, assume a space between the mode and node name */
4904 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4905 ai->config.nodeName[j] = line[j];
4906 }
4907 set_bit (FLAG_COMMIT, &ai->flags);
4908 }
4909
4910 /*** PowerMode processing */
4911 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4912 line += 11;
4913 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4914 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4915 set_bit (FLAG_COMMIT, &ai->flags);
4916 } else if ( !strncmp( line, "PSP", 3 ) ) {
4917 ai->config.powerSaveMode = POWERSAVE_PSP;
4918 set_bit (FLAG_COMMIT, &ai->flags);
4919 } else {
4920 ai->config.powerSaveMode = POWERSAVE_CAM;
4921 set_bit (FLAG_COMMIT, &ai->flags);
4922 }
4923 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4924 int v, i = 0, k = 0; /* i is index into line,
4925 k is index to rates */
4926
4927 line += 11;
4928 while((v = get_dec_u16(line, &i, 3))!=-1) {
4929 ai->config.rates[k++] = (u8)v;
4930 line += i + 1;
4931 i = 0;
4932 }
4933 set_bit (FLAG_COMMIT, &ai->flags);
4934 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4935 int v, i = 0;
4936 line += 9;
4937 v = get_dec_u16(line, &i, i+3);
4938 if ( v != -1 ) {
4939 ai->config.channelSet = (u16)v;
4940 set_bit (FLAG_COMMIT, &ai->flags);
4941 }
4942 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4943 int v, i = 0;
4944 line += 11;
4945 v = get_dec_u16(line, &i, i+3);
4946 if ( v != -1 ) {
4947 ai->config.txPower = (u16)v;
4948 set_bit (FLAG_COMMIT, &ai->flags);
4949 }
4950 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4951 line += 5;
4952 switch( line[0] ) {
4953 case 's':
4954 ai->config.authType = (u16)AUTH_SHAREDKEY;
4955 break;
4956 case 'e':
4957 ai->config.authType = (u16)AUTH_ENCRYPT;
4958 break;
4959 default:
4960 ai->config.authType = (u16)AUTH_OPEN;
4961 break;
4962 }
4963 set_bit (FLAG_COMMIT, &ai->flags);
4964 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4965 int v, i = 0;
4966
4967 line += 16;
4968 v = get_dec_u16(line, &i, 3);
4969 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4970 ai->config.longRetryLimit = (u16)v;
4971 set_bit (FLAG_COMMIT, &ai->flags);
4972 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4973 int v, i = 0;
4974
4975 line += 17;
4976 v = get_dec_u16(line, &i, 3);
4977 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4978 ai->config.shortRetryLimit = (u16)v;
4979 set_bit (FLAG_COMMIT, &ai->flags);
4980 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4981 int v, i = 0;
4982
4983 line += 14;
4984 v = get_dec_u16(line, &i, 4);
4985 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4986 ai->config.rtsThres = (u16)v;
4987 set_bit (FLAG_COMMIT, &ai->flags);
4988 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4989 int v, i = 0;
4990
4991 line += 16;
4992 v = get_dec_u16(line, &i, 5);
4993 v = (v<0) ? 0 : v;
4994 ai->config.txLifetime = (u16)v;
4995 set_bit (FLAG_COMMIT, &ai->flags);
4996 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4997 int v, i = 0;
4998
4999 line += 16;
5000 v = get_dec_u16(line, &i, 5);
5001 v = (v<0) ? 0 : v;
5002 ai->config.rxLifetime = (u16)v;
5003 set_bit (FLAG_COMMIT, &ai->flags);
5004 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
5005 ai->config.txDiversity =
5006 (line[13]=='l') ? 1 :
5007 ((line[13]=='r')? 2: 3);
5008 set_bit (FLAG_COMMIT, &ai->flags);
5009 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
5010 ai->config.rxDiversity =
5011 (line[13]=='l') ? 1 :
5012 ((line[13]=='r')? 2: 3);
5013 set_bit (FLAG_COMMIT, &ai->flags);
5014 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
5015 int v, i = 0;
5016
5017 line += 15;
5018 v = get_dec_u16(line, &i, 4);
5019 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
5020 v = v & 0xfffe; /* Make sure its even */
5021 ai->config.fragThresh = (u16)v;
5022 set_bit (FLAG_COMMIT, &ai->flags);
5023 } else if (!strncmp(line, "Modulation: ", 12)) {
5024 line += 12;
5025 switch(*line) {
5026 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
5027 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
5028 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
5029 default: airo_print_warn(ai->dev->name, "Unknown modulation");
5030 }
5031 } else if (!strncmp(line, "Preamble: ", 10)) {
5032 line += 10;
5033 switch(*line) {
5034 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
5035 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5036 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
5037 default: airo_print_warn(ai->dev->name, "Unknown preamble");
5038 }
5039 } else {
5040 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
5041 }
5042 while( line[0] && line[0] != '\n' ) line++;
5043 if ( line[0] ) line++;
5044 }
5045 airo_config_commit(dev, NULL, NULL, NULL);
5046 }
5047
5048 static char *get_rmode(u16 mode) {
5049 switch(mode&0xff) {
5050 case RXMODE_RFMON: return "rfmon";
5051 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5052 case RXMODE_LANMON: return "lanmon";
5053 }
5054 return "ESS";
5055 }
5056
5057 static int proc_config_open( struct inode *inode, struct file *file ) {
5058 struct proc_data *data;
5059 struct proc_dir_entry *dp = PDE(inode);
5060 struct net_device *dev = dp->data;
5061 struct airo_info *ai = dev->priv;
5062 int i;
5063
5064 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5065 return -ENOMEM;
5066 data = (struct proc_data *)file->private_data;
5067 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5068 kfree (file->private_data);
5069 return -ENOMEM;
5070 }
5071 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5072 kfree (data->rbuffer);
5073 kfree (file->private_data);
5074 return -ENOMEM;
5075 }
5076 data->maxwritelen = 2048;
5077 data->on_close = proc_config_on_close;
5078
5079 readConfigRid(ai, 1);
5080
5081 i = sprintf( data->rbuffer,
5082 "Mode: %s\n"
5083 "Radio: %s\n"
5084 "NodeName: %-16s\n"
5085 "PowerMode: %s\n"
5086 "DataRates: %d %d %d %d %d %d %d %d\n"
5087 "Channel: %d\n"
5088 "XmitPower: %d\n",
5089 (ai->config.opmode & 0xFF) == 0 ? "adhoc" :
5090 (ai->config.opmode & 0xFF) == 1 ? get_rmode(ai->config.rmode):
5091 (ai->config.opmode & 0xFF) == 2 ? "AP" :
5092 (ai->config.opmode & 0xFF) == 3 ? "AP RPTR" : "Error",
5093 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5094 ai->config.nodeName,
5095 ai->config.powerSaveMode == 0 ? "CAM" :
5096 ai->config.powerSaveMode == 1 ? "PSP" :
5097 ai->config.powerSaveMode == 2 ? "PSPCAM" : "Error",
5098 (int)ai->config.rates[0],
5099 (int)ai->config.rates[1],
5100 (int)ai->config.rates[2],
5101 (int)ai->config.rates[3],
5102 (int)ai->config.rates[4],
5103 (int)ai->config.rates[5],
5104 (int)ai->config.rates[6],
5105 (int)ai->config.rates[7],
5106 (int)ai->config.channelSet,
5107 (int)ai->config.txPower
5108 );
5109 sprintf( data->rbuffer + i,
5110 "LongRetryLimit: %d\n"
5111 "ShortRetryLimit: %d\n"
5112 "RTSThreshold: %d\n"
5113 "TXMSDULifetime: %d\n"
5114 "RXMSDULifetime: %d\n"
5115 "TXDiversity: %s\n"
5116 "RXDiversity: %s\n"
5117 "FragThreshold: %d\n"
5118 "WEP: %s\n"
5119 "Modulation: %s\n"
5120 "Preamble: %s\n",
5121 (int)ai->config.longRetryLimit,
5122 (int)ai->config.shortRetryLimit,
5123 (int)ai->config.rtsThres,
5124 (int)ai->config.txLifetime,
5125 (int)ai->config.rxLifetime,
5126 ai->config.txDiversity == 1 ? "left" :
5127 ai->config.txDiversity == 2 ? "right" : "both",
5128 ai->config.rxDiversity == 1 ? "left" :
5129 ai->config.rxDiversity == 2 ? "right" : "both",
5130 (int)ai->config.fragThresh,
5131 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5132 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5133 ai->config.modulation == 0 ? "default" :
5134 ai->config.modulation == MOD_CCK ? "cck" :
5135 ai->config.modulation == MOD_MOK ? "mok" : "error",
5136 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5137 ai->config.preamble == PREAMBLE_LONG ? "long" :
5138 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5139 );
5140 data->readlen = strlen( data->rbuffer );
5141 return 0;
5142 }
5143
5144 static void proc_SSID_on_close( struct inode *inode, struct file *file ) {
5145 struct proc_data *data = (struct proc_data *)file->private_data;
5146 struct proc_dir_entry *dp = PDE(inode);
5147 struct net_device *dev = dp->data;
5148 struct airo_info *ai = dev->priv;
5149 SsidRid SSID_rid;
5150 Resp rsp;
5151 int i;
5152 int offset = 0;
5153
5154 if ( !data->writelen ) return;
5155
5156 memset( &SSID_rid, 0, sizeof( SSID_rid ) );
5157
5158 for( i = 0; i < 3; i++ ) {
5159 int j;
5160 for( j = 0; j+offset < data->writelen && j < 32 &&
5161 data->wbuffer[offset+j] != '\n'; j++ ) {
5162 SSID_rid.ssids[i].ssid[j] = data->wbuffer[offset+j];
5163 }
5164 if ( j == 0 ) break;
5165 SSID_rid.ssids[i].len = j;
5166 offset += j;
5167 while( data->wbuffer[offset] != '\n' &&
5168 offset < data->writelen ) offset++;
5169 offset++;
5170 }
5171 if (i)
5172 SSID_rid.len = sizeof(SSID_rid);
5173 disable_MAC(ai, 1);
5174 writeSsidRid(ai, &SSID_rid, 1);
5175 enable_MAC(ai, &rsp, 1);
5176 }
5177
5178 static inline u8 hexVal(char c) {
5179 if (c>='0' && c<='9') return c -= '0';
5180 if (c>='a' && c<='f') return c -= 'a'-10;
5181 if (c>='A' && c<='F') return c -= 'A'-10;
5182 return 0;
5183 }
5184
5185 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5186 struct proc_data *data = (struct proc_data *)file->private_data;
5187 struct proc_dir_entry *dp = PDE(inode);
5188 struct net_device *dev = dp->data;
5189 struct airo_info *ai = dev->priv;
5190 APListRid APList_rid;
5191 Resp rsp;
5192 int i;
5193
5194 if ( !data->writelen ) return;
5195
5196 memset( &APList_rid, 0, sizeof(APList_rid) );
5197 APList_rid.len = sizeof(APList_rid);
5198
5199 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5200 int j;
5201 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5202 switch(j%3) {
5203 case 0:
5204 APList_rid.ap[i][j/3]=
5205 hexVal(data->wbuffer[j+i*6*3])<<4;
5206 break;
5207 case 1:
5208 APList_rid.ap[i][j/3]|=
5209 hexVal(data->wbuffer[j+i*6*3]);
5210 break;
5211 }
5212 }
5213 }
5214 disable_MAC(ai, 1);
5215 writeAPListRid(ai, &APList_rid, 1);
5216 enable_MAC(ai, &rsp, 1);
5217 }
5218
5219 /* This function wraps PC4500_writerid with a MAC disable */
5220 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5221 int len, int dummy ) {
5222 int rc;
5223 Resp rsp;
5224
5225 disable_MAC(ai, 1);
5226 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5227 enable_MAC(ai, &rsp, 1);
5228 return rc;
5229 }
5230
5231 /* Returns the length of the key at the index. If index == 0xffff
5232 * the index of the transmit key is returned. If the key doesn't exist,
5233 * -1 will be returned.
5234 */
5235 static int get_wep_key(struct airo_info *ai, u16 index) {
5236 WepKeyRid wkr;
5237 int rc;
5238 u16 lastindex;
5239
5240 rc = readWepKeyRid(ai, &wkr, 1, 1);
5241 if (rc == SUCCESS) do {
5242 lastindex = wkr.kindex;
5243 if (wkr.kindex == index) {
5244 if (index == 0xffff) {
5245 return wkr.mac[0];
5246 }
5247 return wkr.klen;
5248 }
5249 readWepKeyRid(ai, &wkr, 0, 1);
5250 } while(lastindex != wkr.kindex);
5251 return -1;
5252 }
5253
5254 static int set_wep_key(struct airo_info *ai, u16 index,
5255 const char *key, u16 keylen, int perm, int lock ) {
5256 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5257 WepKeyRid wkr;
5258 Resp rsp;
5259
5260 memset(&wkr, 0, sizeof(wkr));
5261 if (keylen == 0) {
5262 // We are selecting which key to use
5263 wkr.len = sizeof(wkr);
5264 wkr.kindex = 0xffff;
5265 wkr.mac[0] = (char)index;
5266 if (perm) ai->defindex = (char)index;
5267 } else {
5268 // We are actually setting the key
5269 wkr.len = sizeof(wkr);
5270 wkr.kindex = index;
5271 wkr.klen = keylen;
5272 memcpy( wkr.key, key, keylen );
5273 memcpy( wkr.mac, macaddr, ETH_ALEN );
5274 }
5275
5276 if (perm) disable_MAC(ai, lock);
5277 writeWepKeyRid(ai, &wkr, perm, lock);
5278 if (perm) enable_MAC(ai, &rsp, lock);
5279 return 0;
5280 }
5281
5282 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5283 struct proc_data *data;
5284 struct proc_dir_entry *dp = PDE(inode);
5285 struct net_device *dev = dp->data;
5286 struct airo_info *ai = dev->priv;
5287 int i;
5288 char key[16];
5289 u16 index = 0;
5290 int j = 0;
5291
5292 memset(key, 0, sizeof(key));
5293
5294 data = (struct proc_data *)file->private_data;
5295 if ( !data->writelen ) return;
5296
5297 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5298 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5299 index = data->wbuffer[0] - '0';
5300 if (data->wbuffer[1] == '\n') {
5301 set_wep_key(ai, index, NULL, 0, 1, 1);
5302 return;
5303 }
5304 j = 2;
5305 } else {
5306 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5307 return;
5308 }
5309
5310 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5311 switch(i%3) {
5312 case 0:
5313 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5314 break;
5315 case 1:
5316 key[i/3] |= hexVal(data->wbuffer[i+j]);
5317 break;
5318 }
5319 }
5320 set_wep_key(ai, index, key, i/3, 1, 1);
5321 }
5322
5323 static int proc_wepkey_open( struct inode *inode, struct file *file ) {
5324 struct proc_data *data;
5325 struct proc_dir_entry *dp = PDE(inode);
5326 struct net_device *dev = dp->data;
5327 struct airo_info *ai = dev->priv;
5328 char *ptr;
5329 WepKeyRid wkr;
5330 u16 lastindex;
5331 int j=0;
5332 int rc;
5333
5334 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5335 return -ENOMEM;
5336 memset(&wkr, 0, sizeof(wkr));
5337 data = (struct proc_data *)file->private_data;
5338 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5339 kfree (file->private_data);
5340 return -ENOMEM;
5341 }
5342 data->writelen = 0;
5343 data->maxwritelen = 80;
5344 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5345 kfree (data->rbuffer);
5346 kfree (file->private_data);
5347 return -ENOMEM;
5348 }
5349 data->on_close = proc_wepkey_on_close;
5350
5351 ptr = data->rbuffer;
5352 strcpy(ptr, "No wep keys\n");
5353 rc = readWepKeyRid(ai, &wkr, 1, 1);
5354 if (rc == SUCCESS) do {
5355 lastindex = wkr.kindex;
5356 if (wkr.kindex == 0xffff) {
5357 j += sprintf(ptr+j, "Tx key = %d\n",
5358 (int)wkr.mac[0]);
5359 } else {
5360 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5361 (int)wkr.kindex, (int)wkr.klen);
5362 }
5363 readWepKeyRid(ai, &wkr, 0, 1);
5364 } while((lastindex != wkr.kindex) && (j < 180-30));
5365
5366 data->readlen = strlen( data->rbuffer );
5367 return 0;
5368 }
5369
5370 static int proc_SSID_open( struct inode *inode, struct file *file ) {
5371 struct proc_data *data;
5372 struct proc_dir_entry *dp = PDE(inode);
5373 struct net_device *dev = dp->data;
5374 struct airo_info *ai = dev->priv;
5375 int i;
5376 char *ptr;
5377 SsidRid SSID_rid;
5378
5379 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5380 return -ENOMEM;
5381 data = (struct proc_data *)file->private_data;
5382 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5383 kfree (file->private_data);
5384 return -ENOMEM;
5385 }
5386 data->writelen = 0;
5387 data->maxwritelen = 33*3;
5388 if ((data->wbuffer = kzalloc( 33*3, GFP_KERNEL )) == NULL) {
5389 kfree (data->rbuffer);
5390 kfree (file->private_data);
5391 return -ENOMEM;
5392 }
5393 data->on_close = proc_SSID_on_close;
5394
5395 readSsidRid(ai, &SSID_rid);
5396 ptr = data->rbuffer;
5397 for( i = 0; i < 3; i++ ) {
5398 int j;
5399 if ( !SSID_rid.ssids[i].len ) break;
5400 for( j = 0; j < 32 &&
5401 j < SSID_rid.ssids[i].len &&
5402 SSID_rid.ssids[i].ssid[j]; j++ ) {
5403 *ptr++ = SSID_rid.ssids[i].ssid[j];
5404 }
5405 *ptr++ = '\n';
5406 }
5407 *ptr = '\0';
5408 data->readlen = strlen( data->rbuffer );
5409 return 0;
5410 }
5411
5412 static int proc_APList_open( struct inode *inode, struct file *file ) {
5413 struct proc_data *data;
5414 struct proc_dir_entry *dp = PDE(inode);
5415 struct net_device *dev = dp->data;
5416 struct airo_info *ai = dev->priv;
5417 int i;
5418 char *ptr;
5419 APListRid APList_rid;
5420
5421 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5422 return -ENOMEM;
5423 data = (struct proc_data *)file->private_data;
5424 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5425 kfree (file->private_data);
5426 return -ENOMEM;
5427 }
5428 data->writelen = 0;
5429 data->maxwritelen = 4*6*3;
5430 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5431 kfree (data->rbuffer);
5432 kfree (file->private_data);
5433 return -ENOMEM;
5434 }
5435 data->on_close = proc_APList_on_close;
5436
5437 readAPListRid(ai, &APList_rid);
5438 ptr = data->rbuffer;
5439 for( i = 0; i < 4; i++ ) {
5440 // We end when we find a zero MAC
5441 if ( !*(int*)APList_rid.ap[i] &&
5442 !*(int*)&APList_rid.ap[i][2]) break;
5443 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x\n",
5444 (int)APList_rid.ap[i][0],
5445 (int)APList_rid.ap[i][1],
5446 (int)APList_rid.ap[i][2],
5447 (int)APList_rid.ap[i][3],
5448 (int)APList_rid.ap[i][4],
5449 (int)APList_rid.ap[i][5]);
5450 }
5451 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5452
5453 *ptr = '\0';
5454 data->readlen = strlen( data->rbuffer );
5455 return 0;
5456 }
5457
5458 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5459 struct proc_data *data;
5460 struct proc_dir_entry *dp = PDE(inode);
5461 struct net_device *dev = dp->data;
5462 struct airo_info *ai = dev->priv;
5463 char *ptr;
5464 BSSListRid BSSList_rid;
5465 int rc;
5466 /* If doLoseSync is not 1, we won't do a Lose Sync */
5467 int doLoseSync = -1;
5468
5469 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5470 return -ENOMEM;
5471 data = (struct proc_data *)file->private_data;
5472 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5473 kfree (file->private_data);
5474 return -ENOMEM;
5475 }
5476 data->writelen = 0;
5477 data->maxwritelen = 0;
5478 data->wbuffer = NULL;
5479 data->on_close = NULL;
5480
5481 if (file->f_mode & FMODE_WRITE) {
5482 if (!(file->f_mode & FMODE_READ)) {
5483 Cmd cmd;
5484 Resp rsp;
5485
5486 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5487 memset(&cmd, 0, sizeof(cmd));
5488 cmd.cmd=CMD_LISTBSS;
5489 if (down_interruptible(&ai->sem))
5490 return -ERESTARTSYS;
5491 issuecommand(ai, &cmd, &rsp);
5492 up(&ai->sem);
5493 data->readlen = 0;
5494 return 0;
5495 }
5496 doLoseSync = 1;
5497 }
5498 ptr = data->rbuffer;
5499 /* There is a race condition here if there are concurrent opens.
5500 Since it is a rare condition, we'll just live with it, otherwise
5501 we have to add a spin lock... */
5502 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5503 while(rc == 0 && BSSList_rid.index != 0xffff) {
5504 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x %*s rssi = %d",
5505 (int)BSSList_rid.bssid[0],
5506 (int)BSSList_rid.bssid[1],
5507 (int)BSSList_rid.bssid[2],
5508 (int)BSSList_rid.bssid[3],
5509 (int)BSSList_rid.bssid[4],
5510 (int)BSSList_rid.bssid[5],
5511 (int)BSSList_rid.ssidLen,
5512 BSSList_rid.ssid,
5513 (int)BSSList_rid.dBm);
5514 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5515 (int)BSSList_rid.dsChannel,
5516 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5517 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5518 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5519 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5520 rc = readBSSListRid(ai, 0, &BSSList_rid);
5521 }
5522 *ptr = '\0';
5523 data->readlen = strlen( data->rbuffer );
5524 return 0;
5525 }
5526
5527 static int proc_close( struct inode *inode, struct file *file )
5528 {
5529 struct proc_data *data = file->private_data;
5530
5531 if (data->on_close != NULL)
5532 data->on_close(inode, file);
5533 kfree(data->rbuffer);
5534 kfree(data->wbuffer);
5535 kfree(data);
5536 return 0;
5537 }
5538
5539 static struct net_device_list {
5540 struct net_device *dev;
5541 struct net_device_list *next;
5542 } *airo_devices;
5543
5544 /* Since the card doesn't automatically switch to the right WEP mode,
5545 we will make it do it. If the card isn't associated, every secs we
5546 will switch WEP modes to see if that will help. If the card is
5547 associated we will check every minute to see if anything has
5548 changed. */
5549 static void timer_func( struct net_device *dev ) {
5550 struct airo_info *apriv = dev->priv;
5551 Resp rsp;
5552
5553 /* We don't have a link so try changing the authtype */
5554 readConfigRid(apriv, 0);
5555 disable_MAC(apriv, 0);
5556 switch(apriv->config.authType) {
5557 case AUTH_ENCRYPT:
5558 /* So drop to OPEN */
5559 apriv->config.authType = AUTH_OPEN;
5560 break;
5561 case AUTH_SHAREDKEY:
5562 if (apriv->keyindex < auto_wep) {
5563 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5564 apriv->config.authType = AUTH_SHAREDKEY;
5565 apriv->keyindex++;
5566 } else {
5567 /* Drop to ENCRYPT */
5568 apriv->keyindex = 0;
5569 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5570 apriv->config.authType = AUTH_ENCRYPT;
5571 }
5572 break;
5573 default: /* We'll escalate to SHAREDKEY */
5574 apriv->config.authType = AUTH_SHAREDKEY;
5575 }
5576 set_bit (FLAG_COMMIT, &apriv->flags);
5577 writeConfigRid(apriv, 0);
5578 enable_MAC(apriv, &rsp, 0);
5579 up(&apriv->sem);
5580
5581 /* Schedule check to see if the change worked */
5582 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5583 apriv->expires = RUN_AT(HZ*3);
5584 }
5585
5586 static int add_airo_dev( struct net_device *dev ) {
5587 struct net_device_list *node = kmalloc( sizeof( *node ), GFP_KERNEL );
5588 if ( !node )
5589 return -ENOMEM;
5590
5591 node->dev = dev;
5592 node->next = airo_devices;
5593 airo_devices = node;
5594
5595 return 0;
5596 }
5597
5598 static void del_airo_dev( struct net_device *dev ) {
5599 struct net_device_list **p = &airo_devices;
5600 while( *p && ( (*p)->dev != dev ) )
5601 p = &(*p)->next;
5602 if ( *p && (*p)->dev == dev )
5603 *p = (*p)->next;
5604 }
5605
5606 #ifdef CONFIG_PCI
5607 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5608 const struct pci_device_id *pent)
5609 {
5610 struct net_device *dev;
5611
5612 if (pci_enable_device(pdev))
5613 return -ENODEV;
5614 pci_set_master(pdev);
5615
5616 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5617 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5618 else
5619 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5620 if (!dev)
5621 return -ENODEV;
5622
5623 pci_set_drvdata(pdev, dev);
5624 return 0;
5625 }
5626
5627 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5628 {
5629 }
5630
5631 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5632 {
5633 struct net_device *dev = pci_get_drvdata(pdev);
5634 struct airo_info *ai = dev->priv;
5635 Cmd cmd;
5636 Resp rsp;
5637
5638 if ((ai->APList == NULL) &&
5639 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5640 return -ENOMEM;
5641 if ((ai->SSID == NULL) &&
5642 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5643 return -ENOMEM;
5644 readAPListRid(ai, ai->APList);
5645 readSsidRid(ai, ai->SSID);
5646 memset(&cmd, 0, sizeof(cmd));
5647 /* the lock will be released at the end of the resume callback */
5648 if (down_interruptible(&ai->sem))
5649 return -EAGAIN;
5650 disable_MAC(ai, 0);
5651 netif_device_detach(dev);
5652 ai->power = state;
5653 cmd.cmd=HOSTSLEEP;
5654 issuecommand(ai, &cmd, &rsp);
5655
5656 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5657 pci_save_state(pdev);
5658 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5659 }
5660
5661 static int airo_pci_resume(struct pci_dev *pdev)
5662 {
5663 struct net_device *dev = pci_get_drvdata(pdev);
5664 struct airo_info *ai = dev->priv;
5665 Resp rsp;
5666 pci_power_t prev_state = pdev->current_state;
5667
5668 pci_set_power_state(pdev, PCI_D0);
5669 pci_restore_state(pdev);
5670 pci_enable_wake(pdev, PCI_D0, 0);
5671
5672 if (prev_state != PCI_D1) {
5673 reset_card(dev, 0);
5674 mpi_init_descriptors(ai);
5675 setup_card(ai, dev->dev_addr, 0);
5676 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5677 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5678 } else {
5679 OUT4500(ai, EVACK, EV_AWAKEN);
5680 OUT4500(ai, EVACK, EV_AWAKEN);
5681 msleep(100);
5682 }
5683
5684 set_bit (FLAG_COMMIT, &ai->flags);
5685 disable_MAC(ai, 0);
5686 msleep(200);
5687 if (ai->SSID) {
5688 writeSsidRid(ai, ai->SSID, 0);
5689 kfree(ai->SSID);
5690 ai->SSID = NULL;
5691 }
5692 if (ai->APList) {
5693 writeAPListRid(ai, ai->APList, 0);
5694 kfree(ai->APList);
5695 ai->APList = NULL;
5696 }
5697 writeConfigRid(ai, 0);
5698 enable_MAC(ai, &rsp, 0);
5699 ai->power = PMSG_ON;
5700 netif_device_attach(dev);
5701 netif_wake_queue(dev);
5702 enable_interrupts(ai);
5703 up(&ai->sem);
5704 return 0;
5705 }
5706 #endif
5707
5708 static int __init airo_init_module( void )
5709 {
5710 int i;
5711 #if 0
5712 int have_isa_dev = 0;
5713 #endif
5714
5715 airo_entry = create_proc_entry("aironet",
5716 S_IFDIR | airo_perm,
5717 proc_root_driver);
5718
5719 if (airo_entry) {
5720 airo_entry->uid = proc_uid;
5721 airo_entry->gid = proc_gid;
5722 }
5723
5724 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
5725 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5726 "io=0x%x", irq[i], io[i] );
5727 if (init_airo_card( irq[i], io[i], 0, NULL ))
5728 #if 0
5729 have_isa_dev = 1;
5730 #else
5731 /* do nothing */ ;
5732 #endif
5733 }
5734
5735 #ifdef CONFIG_PCI
5736 airo_print_info("", "Probing for PCI adapters");
5737 i = pci_register_driver(&airo_driver);
5738 airo_print_info("", "Finished probing for PCI adapters");
5739
5740 if (i) {
5741 remove_proc_entry("aironet", proc_root_driver);
5742 return i;
5743 }
5744 #endif
5745
5746 /* Always exit with success, as we are a library module
5747 * as well as a driver module
5748 */
5749 return 0;
5750 }
5751
5752 static void __exit airo_cleanup_module( void )
5753 {
5754 while( airo_devices ) {
5755 airo_print_info(airo_devices->dev->name, "Unregistering...\n");
5756 stop_airo_card( airo_devices->dev, 1 );
5757 }
5758 #ifdef CONFIG_PCI
5759 pci_unregister_driver(&airo_driver);
5760 #endif
5761 remove_proc_entry("aironet", proc_root_driver);
5762 }
5763
5764 /*
5765 * Initial Wireless Extension code for Aironet driver by :
5766 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5767 * Conversion to new driver API by :
5768 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5769 * Javier also did a good amount of work here, adding some new extensions
5770 * and fixing my code. Let's just say that without him this code just
5771 * would not work at all... - Jean II
5772 */
5773
5774 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5775 {
5776 if( !rssi_rid )
5777 return 0;
5778
5779 return (0x100 - rssi_rid[rssi].rssidBm);
5780 }
5781
5782 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5783 {
5784 int i;
5785
5786 if( !rssi_rid )
5787 return 0;
5788
5789 for( i = 0; i < 256; i++ )
5790 if (rssi_rid[i].rssidBm == dbm)
5791 return rssi_rid[i].rssipct;
5792
5793 return 0;
5794 }
5795
5796
5797 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5798 {
5799 int quality = 0;
5800
5801 if ((status_rid->mode & 0x3f) == 0x3f && (cap_rid->hardCap & 8)) {
5802 if (memcmp(cap_rid->prodName, "350", 3))
5803 if (status_rid->signalQuality > 0x20)
5804 quality = 0;
5805 else
5806 quality = 0x20 - status_rid->signalQuality;
5807 else
5808 if (status_rid->signalQuality > 0xb0)
5809 quality = 0;
5810 else if (status_rid->signalQuality < 0x10)
5811 quality = 0xa0;
5812 else
5813 quality = 0xb0 - status_rid->signalQuality;
5814 }
5815 return quality;
5816 }
5817
5818 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5819 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5820
5821 /*------------------------------------------------------------------*/
5822 /*
5823 * Wireless Handler : get protocol name
5824 */
5825 static int airo_get_name(struct net_device *dev,
5826 struct iw_request_info *info,
5827 char *cwrq,
5828 char *extra)
5829 {
5830 strcpy(cwrq, "IEEE 802.11-DS");
5831 return 0;
5832 }
5833
5834 /*------------------------------------------------------------------*/
5835 /*
5836 * Wireless Handler : set frequency
5837 */
5838 static int airo_set_freq(struct net_device *dev,
5839 struct iw_request_info *info,
5840 struct iw_freq *fwrq,
5841 char *extra)
5842 {
5843 struct airo_info *local = dev->priv;
5844 int rc = -EINPROGRESS; /* Call commit handler */
5845
5846 /* If setting by frequency, convert to a channel */
5847 if((fwrq->e == 1) &&
5848 (fwrq->m >= (int) 2.412e8) &&
5849 (fwrq->m <= (int) 2.487e8)) {
5850 int f = fwrq->m / 100000;
5851 int c = 0;
5852 while((c < 14) && (f != frequency_list[c]))
5853 c++;
5854 /* Hack to fall through... */
5855 fwrq->e = 0;
5856 fwrq->m = c + 1;
5857 }
5858 /* Setting by channel number */
5859 if((fwrq->m > 1000) || (fwrq->e > 0))
5860 rc = -EOPNOTSUPP;
5861 else {
5862 int channel = fwrq->m;
5863 /* We should do a better check than that,
5864 * based on the card capability !!! */
5865 if((channel < 1) || (channel > 14)) {
5866 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5867 fwrq->m);
5868 rc = -EINVAL;
5869 } else {
5870 readConfigRid(local, 1);
5871 /* Yes ! We can set it !!! */
5872 local->config.channelSet = (u16) channel;
5873 set_bit (FLAG_COMMIT, &local->flags);
5874 }
5875 }
5876 return rc;
5877 }
5878
5879 /*------------------------------------------------------------------*/
5880 /*
5881 * Wireless Handler : get frequency
5882 */
5883 static int airo_get_freq(struct net_device *dev,
5884 struct iw_request_info *info,
5885 struct iw_freq *fwrq,
5886 char *extra)
5887 {
5888 struct airo_info *local = dev->priv;
5889 StatusRid status_rid; /* Card status info */
5890 int ch;
5891
5892 readConfigRid(local, 1);
5893 if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
5894 status_rid.channel = local->config.channelSet;
5895 else
5896 readStatusRid(local, &status_rid, 1);
5897
5898 ch = (int)status_rid.channel;
5899 if((ch > 0) && (ch < 15)) {
5900 fwrq->m = frequency_list[ch - 1] * 100000;
5901 fwrq->e = 1;
5902 } else {
5903 fwrq->m = ch;
5904 fwrq->e = 0;
5905 }
5906
5907 return 0;
5908 }
5909
5910 /*------------------------------------------------------------------*/
5911 /*
5912 * Wireless Handler : set ESSID
5913 */
5914 static int airo_set_essid(struct net_device *dev,
5915 struct iw_request_info *info,
5916 struct iw_point *dwrq,
5917 char *extra)
5918 {
5919 struct airo_info *local = dev->priv;
5920 Resp rsp;
5921 SsidRid SSID_rid; /* SSIDs */
5922
5923 /* Reload the list of current SSID */
5924 readSsidRid(local, &SSID_rid);
5925
5926 /* Check if we asked for `any' */
5927 if(dwrq->flags == 0) {
5928 /* Just send an empty SSID list */
5929 memset(&SSID_rid, 0, sizeof(SSID_rid));
5930 } else {
5931 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5932
5933 /* Check the size of the string */
5934 if(dwrq->length > IW_ESSID_MAX_SIZE) {
5935 return -E2BIG ;
5936 }
5937 /* Check if index is valid */
5938 if((index < 0) || (index >= 4)) {
5939 return -EINVAL;
5940 }
5941
5942 /* Set the SSID */
5943 memset(SSID_rid.ssids[index].ssid, 0,
5944 sizeof(SSID_rid.ssids[index].ssid));
5945 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5946 SSID_rid.ssids[index].len = dwrq->length;
5947 }
5948 SSID_rid.len = sizeof(SSID_rid);
5949 /* Write it to the card */
5950 disable_MAC(local, 1);
5951 writeSsidRid(local, &SSID_rid, 1);
5952 enable_MAC(local, &rsp, 1);
5953
5954 return 0;
5955 }
5956
5957 /*------------------------------------------------------------------*/
5958 /*
5959 * Wireless Handler : get ESSID
5960 */
5961 static int airo_get_essid(struct net_device *dev,
5962 struct iw_request_info *info,
5963 struct iw_point *dwrq,
5964 char *extra)
5965 {
5966 struct airo_info *local = dev->priv;
5967 StatusRid status_rid; /* Card status info */
5968
5969 readStatusRid(local, &status_rid, 1);
5970
5971 /* Note : if dwrq->flags != 0, we should
5972 * get the relevant SSID from the SSID list... */
5973
5974 /* Get the current SSID */
5975 memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
5976 /* If none, we may want to get the one that was set */
5977
5978 /* Push it out ! */
5979 dwrq->length = status_rid.SSIDlen;
5980 dwrq->flags = 1; /* active */
5981
5982 return 0;
5983 }
5984
5985 /*------------------------------------------------------------------*/
5986 /*
5987 * Wireless Handler : set AP address
5988 */
5989 static int airo_set_wap(struct net_device *dev,
5990 struct iw_request_info *info,
5991 struct sockaddr *awrq,
5992 char *extra)
5993 {
5994 struct airo_info *local = dev->priv;
5995 Cmd cmd;
5996 Resp rsp;
5997 APListRid APList_rid;
5998 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5999 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
6000
6001 if (awrq->sa_family != ARPHRD_ETHER)
6002 return -EINVAL;
6003 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
6004 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
6005 memset(&cmd, 0, sizeof(cmd));
6006 cmd.cmd=CMD_LOSE_SYNC;
6007 if (down_interruptible(&local->sem))
6008 return -ERESTARTSYS;
6009 issuecommand(local, &cmd, &rsp);
6010 up(&local->sem);
6011 } else {
6012 memset(&APList_rid, 0, sizeof(APList_rid));
6013 APList_rid.len = sizeof(APList_rid);
6014 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
6015 disable_MAC(local, 1);
6016 writeAPListRid(local, &APList_rid, 1);
6017 enable_MAC(local, &rsp, 1);
6018 }
6019 return 0;
6020 }
6021
6022 /*------------------------------------------------------------------*/
6023 /*
6024 * Wireless Handler : get AP address
6025 */
6026 static int airo_get_wap(struct net_device *dev,
6027 struct iw_request_info *info,
6028 struct sockaddr *awrq,
6029 char *extra)
6030 {
6031 struct airo_info *local = dev->priv;
6032 StatusRid status_rid; /* Card status info */
6033
6034 readStatusRid(local, &status_rid, 1);
6035
6036 /* Tentative. This seems to work, wow, I'm lucky !!! */
6037 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6038 awrq->sa_family = ARPHRD_ETHER;
6039
6040 return 0;
6041 }
6042
6043 /*------------------------------------------------------------------*/
6044 /*
6045 * Wireless Handler : set Nickname
6046 */
6047 static int airo_set_nick(struct net_device *dev,
6048 struct iw_request_info *info,
6049 struct iw_point *dwrq,
6050 char *extra)
6051 {
6052 struct airo_info *local = dev->priv;
6053
6054 /* Check the size of the string */
6055 if(dwrq->length > 16) {
6056 return -E2BIG;
6057 }
6058 readConfigRid(local, 1);
6059 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6060 memcpy(local->config.nodeName, extra, dwrq->length);
6061 set_bit (FLAG_COMMIT, &local->flags);
6062
6063 return -EINPROGRESS; /* Call commit handler */
6064 }
6065
6066 /*------------------------------------------------------------------*/
6067 /*
6068 * Wireless Handler : get Nickname
6069 */
6070 static int airo_get_nick(struct net_device *dev,
6071 struct iw_request_info *info,
6072 struct iw_point *dwrq,
6073 char *extra)
6074 {
6075 struct airo_info *local = dev->priv;
6076
6077 readConfigRid(local, 1);
6078 strncpy(extra, local->config.nodeName, 16);
6079 extra[16] = '\0';
6080 dwrq->length = strlen(extra);
6081
6082 return 0;
6083 }
6084
6085 /*------------------------------------------------------------------*/
6086 /*
6087 * Wireless Handler : set Bit-Rate
6088 */
6089 static int airo_set_rate(struct net_device *dev,
6090 struct iw_request_info *info,
6091 struct iw_param *vwrq,
6092 char *extra)
6093 {
6094 struct airo_info *local = dev->priv;
6095 CapabilityRid cap_rid; /* Card capability info */
6096 u8 brate = 0;
6097 int i;
6098
6099 /* First : get a valid bit rate value */
6100 readCapabilityRid(local, &cap_rid, 1);
6101
6102 /* Which type of value ? */
6103 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6104 /* Setting by rate index */
6105 /* Find value in the magic rate table */
6106 brate = cap_rid.supportedRates[vwrq->value];
6107 } else {
6108 /* Setting by frequency value */
6109 u8 normvalue = (u8) (vwrq->value/500000);
6110
6111 /* Check if rate is valid */
6112 for(i = 0 ; i < 8 ; i++) {
6113 if(normvalue == cap_rid.supportedRates[i]) {
6114 brate = normvalue;
6115 break;
6116 }
6117 }
6118 }
6119 /* -1 designed the max rate (mostly auto mode) */
6120 if(vwrq->value == -1) {
6121 /* Get the highest available rate */
6122 for(i = 0 ; i < 8 ; i++) {
6123 if(cap_rid.supportedRates[i] == 0)
6124 break;
6125 }
6126 if(i != 0)
6127 brate = cap_rid.supportedRates[i - 1];
6128 }
6129 /* Check that it is valid */
6130 if(brate == 0) {
6131 return -EINVAL;
6132 }
6133
6134 readConfigRid(local, 1);
6135 /* Now, check if we want a fixed or auto value */
6136 if(vwrq->fixed == 0) {
6137 /* Fill all the rates up to this max rate */
6138 memset(local->config.rates, 0, 8);
6139 for(i = 0 ; i < 8 ; i++) {
6140 local->config.rates[i] = cap_rid.supportedRates[i];
6141 if(local->config.rates[i] == brate)
6142 break;
6143 }
6144 } else {
6145 /* Fixed mode */
6146 /* One rate, fixed */
6147 memset(local->config.rates, 0, 8);
6148 local->config.rates[0] = brate;
6149 }
6150 set_bit (FLAG_COMMIT, &local->flags);
6151
6152 return -EINPROGRESS; /* Call commit handler */
6153 }
6154
6155 /*------------------------------------------------------------------*/
6156 /*
6157 * Wireless Handler : get Bit-Rate
6158 */
6159 static int airo_get_rate(struct net_device *dev,
6160 struct iw_request_info *info,
6161 struct iw_param *vwrq,
6162 char *extra)
6163 {
6164 struct airo_info *local = dev->priv;
6165 StatusRid status_rid; /* Card status info */
6166
6167 readStatusRid(local, &status_rid, 1);
6168
6169 vwrq->value = status_rid.currentXmitRate * 500000;
6170 /* If more than one rate, set auto */
6171 readConfigRid(local, 1);
6172 vwrq->fixed = (local->config.rates[1] == 0);
6173
6174 return 0;
6175 }
6176
6177 /*------------------------------------------------------------------*/
6178 /*
6179 * Wireless Handler : set RTS threshold
6180 */
6181 static int airo_set_rts(struct net_device *dev,
6182 struct iw_request_info *info,
6183 struct iw_param *vwrq,
6184 char *extra)
6185 {
6186 struct airo_info *local = dev->priv;
6187 int rthr = vwrq->value;
6188
6189 if(vwrq->disabled)
6190 rthr = AIRO_DEF_MTU;
6191 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6192 return -EINVAL;
6193 }
6194 readConfigRid(local, 1);
6195 local->config.rtsThres = rthr;
6196 set_bit (FLAG_COMMIT, &local->flags);
6197
6198 return -EINPROGRESS; /* Call commit handler */
6199 }
6200
6201 /*------------------------------------------------------------------*/
6202 /*
6203 * Wireless Handler : get RTS threshold
6204 */
6205 static int airo_get_rts(struct net_device *dev,
6206 struct iw_request_info *info,
6207 struct iw_param *vwrq,
6208 char *extra)
6209 {
6210 struct airo_info *local = dev->priv;
6211
6212 readConfigRid(local, 1);
6213 vwrq->value = local->config.rtsThres;
6214 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6215 vwrq->fixed = 1;
6216
6217 return 0;
6218 }
6219
6220 /*------------------------------------------------------------------*/
6221 /*
6222 * Wireless Handler : set Fragmentation threshold
6223 */
6224 static int airo_set_frag(struct net_device *dev,
6225 struct iw_request_info *info,
6226 struct iw_param *vwrq,
6227 char *extra)
6228 {
6229 struct airo_info *local = dev->priv;
6230 int fthr = vwrq->value;
6231
6232 if(vwrq->disabled)
6233 fthr = AIRO_DEF_MTU;
6234 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6235 return -EINVAL;
6236 }
6237 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6238 readConfigRid(local, 1);
6239 local->config.fragThresh = (u16)fthr;
6240 set_bit (FLAG_COMMIT, &local->flags);
6241
6242 return -EINPROGRESS; /* Call commit handler */
6243 }
6244
6245 /*------------------------------------------------------------------*/
6246 /*
6247 * Wireless Handler : get Fragmentation threshold
6248 */
6249 static int airo_get_frag(struct net_device *dev,
6250 struct iw_request_info *info,
6251 struct iw_param *vwrq,
6252 char *extra)
6253 {
6254 struct airo_info *local = dev->priv;
6255
6256 readConfigRid(local, 1);
6257 vwrq->value = local->config.fragThresh;
6258 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6259 vwrq->fixed = 1;
6260
6261 return 0;
6262 }
6263
6264 /*------------------------------------------------------------------*/
6265 /*
6266 * Wireless Handler : set Mode of Operation
6267 */
6268 static int airo_set_mode(struct net_device *dev,
6269 struct iw_request_info *info,
6270 __u32 *uwrq,
6271 char *extra)
6272 {
6273 struct airo_info *local = dev->priv;
6274 int reset = 0;
6275
6276 readConfigRid(local, 1);
6277 if ((local->config.rmode & 0xff) >= RXMODE_RFMON)
6278 reset = 1;
6279
6280 switch(*uwrq) {
6281 case IW_MODE_ADHOC:
6282 local->config.opmode &= 0xFF00;
6283 local->config.opmode |= MODE_STA_IBSS;
6284 local->config.rmode &= 0xfe00;
6285 local->config.scanMode = SCANMODE_ACTIVE;
6286 clear_bit (FLAG_802_11, &local->flags);
6287 break;
6288 case IW_MODE_INFRA:
6289 local->config.opmode &= 0xFF00;
6290 local->config.opmode |= MODE_STA_ESS;
6291 local->config.rmode &= 0xfe00;
6292 local->config.scanMode = SCANMODE_ACTIVE;
6293 clear_bit (FLAG_802_11, &local->flags);
6294 break;
6295 case IW_MODE_MASTER:
6296 local->config.opmode &= 0xFF00;
6297 local->config.opmode |= MODE_AP;
6298 local->config.rmode &= 0xfe00;
6299 local->config.scanMode = SCANMODE_ACTIVE;
6300 clear_bit (FLAG_802_11, &local->flags);
6301 break;
6302 case IW_MODE_REPEAT:
6303 local->config.opmode &= 0xFF00;
6304 local->config.opmode |= MODE_AP_RPTR;
6305 local->config.rmode &= 0xfe00;
6306 local->config.scanMode = SCANMODE_ACTIVE;
6307 clear_bit (FLAG_802_11, &local->flags);
6308 break;
6309 case IW_MODE_MONITOR:
6310 local->config.opmode &= 0xFF00;
6311 local->config.opmode |= MODE_STA_ESS;
6312 local->config.rmode &= 0xfe00;
6313 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6314 local->config.scanMode = SCANMODE_PASSIVE;
6315 set_bit (FLAG_802_11, &local->flags);
6316 break;
6317 default:
6318 return -EINVAL;
6319 }
6320 if (reset)
6321 set_bit (FLAG_RESET, &local->flags);
6322 set_bit (FLAG_COMMIT, &local->flags);
6323
6324 return -EINPROGRESS; /* Call commit handler */
6325 }
6326
6327 /*------------------------------------------------------------------*/
6328 /*
6329 * Wireless Handler : get Mode of Operation
6330 */
6331 static int airo_get_mode(struct net_device *dev,
6332 struct iw_request_info *info,
6333 __u32 *uwrq,
6334 char *extra)
6335 {
6336 struct airo_info *local = dev->priv;
6337
6338 readConfigRid(local, 1);
6339 /* If not managed, assume it's ad-hoc */
6340 switch (local->config.opmode & 0xFF) {
6341 case MODE_STA_ESS:
6342 *uwrq = IW_MODE_INFRA;
6343 break;
6344 case MODE_AP:
6345 *uwrq = IW_MODE_MASTER;
6346 break;
6347 case MODE_AP_RPTR:
6348 *uwrq = IW_MODE_REPEAT;
6349 break;
6350 default:
6351 *uwrq = IW_MODE_ADHOC;
6352 }
6353
6354 return 0;
6355 }
6356
6357 /*------------------------------------------------------------------*/
6358 /*
6359 * Wireless Handler : set Encryption Key
6360 */
6361 static int airo_set_encode(struct net_device *dev,
6362 struct iw_request_info *info,
6363 struct iw_point *dwrq,
6364 char *extra)
6365 {
6366 struct airo_info *local = dev->priv;
6367 CapabilityRid cap_rid; /* Card capability info */
6368 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6369 u16 currentAuthType = local->config.authType;
6370
6371 /* Is WEP supported ? */
6372 readCapabilityRid(local, &cap_rid, 1);
6373 /* Older firmware doesn't support this...
6374 if(!(cap_rid.softCap & 2)) {
6375 return -EOPNOTSUPP;
6376 } */
6377 readConfigRid(local, 1);
6378
6379 /* Basic checking: do we have a key to set ?
6380 * Note : with the new API, it's impossible to get a NULL pointer.
6381 * Therefore, we need to check a key size == 0 instead.
6382 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6383 * when no key is present (only change flags), but older versions
6384 * don't do it. - Jean II */
6385 if (dwrq->length > 0) {
6386 wep_key_t key;
6387 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6388 int current_index = get_wep_key(local, 0xffff);
6389 /* Check the size of the key */
6390 if (dwrq->length > MAX_KEY_SIZE) {
6391 return -EINVAL;
6392 }
6393 /* Check the index (none -> use current) */
6394 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4:1)))
6395 index = current_index;
6396 /* Set the length */
6397 if (dwrq->length > MIN_KEY_SIZE)
6398 key.len = MAX_KEY_SIZE;
6399 else
6400 if (dwrq->length > 0)
6401 key.len = MIN_KEY_SIZE;
6402 else
6403 /* Disable the key */
6404 key.len = 0;
6405 /* Check if the key is not marked as invalid */
6406 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6407 /* Cleanup */
6408 memset(key.key, 0, MAX_KEY_SIZE);
6409 /* Copy the key in the driver */
6410 memcpy(key.key, extra, dwrq->length);
6411 /* Send the key to the card */
6412 set_wep_key(local, index, key.key, key.len, perm, 1);
6413 }
6414 /* WE specify that if a valid key is set, encryption
6415 * should be enabled (user may turn it off later)
6416 * This is also how "iwconfig ethX key on" works */
6417 if((index == current_index) && (key.len > 0) &&
6418 (local->config.authType == AUTH_OPEN)) {
6419 local->config.authType = AUTH_ENCRYPT;
6420 }
6421 } else {
6422 /* Do we want to just set the transmit key index ? */
6423 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6424 if ((index >= 0) && (index < ((cap_rid.softCap & 0x80)?4:1))) {
6425 set_wep_key(local, index, NULL, 0, perm, 1);
6426 } else
6427 /* Don't complain if only change the mode */
6428 if(!dwrq->flags & IW_ENCODE_MODE) {
6429 return -EINVAL;
6430 }
6431 }
6432 /* Read the flags */
6433 if(dwrq->flags & IW_ENCODE_DISABLED)
6434 local->config.authType = AUTH_OPEN; // disable encryption
6435 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6436 local->config.authType = AUTH_SHAREDKEY; // Only Both
6437 if(dwrq->flags & IW_ENCODE_OPEN)
6438 local->config.authType = AUTH_ENCRYPT; // Only Wep
6439 /* Commit the changes to flags if needed */
6440 if (local->config.authType != currentAuthType)
6441 set_bit (FLAG_COMMIT, &local->flags);
6442 return -EINPROGRESS; /* Call commit handler */
6443 }
6444
6445 /*------------------------------------------------------------------*/
6446 /*
6447 * Wireless Handler : get Encryption Key
6448 */
6449 static int airo_get_encode(struct net_device *dev,
6450 struct iw_request_info *info,
6451 struct iw_point *dwrq,
6452 char *extra)
6453 {
6454 struct airo_info *local = dev->priv;
6455 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6456 CapabilityRid cap_rid; /* Card capability info */
6457
6458 /* Is it supported ? */
6459 readCapabilityRid(local, &cap_rid, 1);
6460 if(!(cap_rid.softCap & 2)) {
6461 return -EOPNOTSUPP;
6462 }
6463 readConfigRid(local, 1);
6464 /* Check encryption mode */
6465 switch(local->config.authType) {
6466 case AUTH_ENCRYPT:
6467 dwrq->flags = IW_ENCODE_OPEN;
6468 break;
6469 case AUTH_SHAREDKEY:
6470 dwrq->flags = IW_ENCODE_RESTRICTED;
6471 break;
6472 default:
6473 case AUTH_OPEN:
6474 dwrq->flags = IW_ENCODE_DISABLED;
6475 break;
6476 }
6477 /* We can't return the key, so set the proper flag and return zero */
6478 dwrq->flags |= IW_ENCODE_NOKEY;
6479 memset(extra, 0, 16);
6480
6481 /* Which key do we want ? -1 -> tx index */
6482 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4 : 1)))
6483 index = get_wep_key(local, 0xffff);
6484 dwrq->flags |= index + 1;
6485 /* Copy the key to the user buffer */
6486 dwrq->length = get_wep_key(local, index);
6487 if (dwrq->length > 16) {
6488 dwrq->length=0;
6489 }
6490 return 0;
6491 }
6492
6493 /*------------------------------------------------------------------*/
6494 /*
6495 * Wireless Handler : set extended Encryption parameters
6496 */
6497 static int airo_set_encodeext(struct net_device *dev,
6498 struct iw_request_info *info,
6499 union iwreq_data *wrqu,
6500 char *extra)
6501 {
6502 struct airo_info *local = dev->priv;
6503 struct iw_point *encoding = &wrqu->encoding;
6504 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6505 CapabilityRid cap_rid; /* Card capability info */
6506 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6507 u16 currentAuthType = local->config.authType;
6508 int idx, key_len, alg = ext->alg, set_key = 1;
6509 wep_key_t key;
6510
6511 /* Is WEP supported ? */
6512 readCapabilityRid(local, &cap_rid, 1);
6513 /* Older firmware doesn't support this...
6514 if(!(cap_rid.softCap & 2)) {
6515 return -EOPNOTSUPP;
6516 } */
6517 readConfigRid(local, 1);
6518
6519 /* Determine and validate the key index */
6520 idx = encoding->flags & IW_ENCODE_INDEX;
6521 if (idx) {
6522 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6523 return -EINVAL;
6524 idx--;
6525 } else
6526 idx = get_wep_key(local, 0xffff);
6527
6528 if (encoding->flags & IW_ENCODE_DISABLED)
6529 alg = IW_ENCODE_ALG_NONE;
6530
6531 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6532 /* Only set transmit key index here, actual
6533 * key is set below if needed.
6534 */
6535 set_wep_key(local, idx, NULL, 0, perm, 1);
6536 set_key = ext->key_len > 0 ? 1 : 0;
6537 }
6538
6539 if (set_key) {
6540 /* Set the requested key first */
6541 memset(key.key, 0, MAX_KEY_SIZE);
6542 switch (alg) {
6543 case IW_ENCODE_ALG_NONE:
6544 key.len = 0;
6545 break;
6546 case IW_ENCODE_ALG_WEP:
6547 if (ext->key_len > MIN_KEY_SIZE) {
6548 key.len = MAX_KEY_SIZE;
6549 } else if (ext->key_len > 0) {
6550 key.len = MIN_KEY_SIZE;
6551 } else {
6552 return -EINVAL;
6553 }
6554 key_len = min (ext->key_len, key.len);
6555 memcpy(key.key, ext->key, key_len);
6556 break;
6557 default:
6558 return -EINVAL;
6559 }
6560 /* Send the key to the card */
6561 set_wep_key(local, idx, key.key, key.len, perm, 1);
6562 }
6563
6564 /* Read the flags */
6565 if(encoding->flags & IW_ENCODE_DISABLED)
6566 local->config.authType = AUTH_OPEN; // disable encryption
6567 if(encoding->flags & IW_ENCODE_RESTRICTED)
6568 local->config.authType = AUTH_SHAREDKEY; // Only Both
6569 if(encoding->flags & IW_ENCODE_OPEN)
6570 local->config.authType = AUTH_ENCRYPT; // Only Wep
6571 /* Commit the changes to flags if needed */
6572 if (local->config.authType != currentAuthType)
6573 set_bit (FLAG_COMMIT, &local->flags);
6574
6575 return -EINPROGRESS;
6576 }
6577
6578
6579 /*------------------------------------------------------------------*/
6580 /*
6581 * Wireless Handler : get extended Encryption parameters
6582 */
6583 static int airo_get_encodeext(struct net_device *dev,
6584 struct iw_request_info *info,
6585 union iwreq_data *wrqu,
6586 char *extra)
6587 {
6588 struct airo_info *local = dev->priv;
6589 struct iw_point *encoding = &wrqu->encoding;
6590 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6591 CapabilityRid cap_rid; /* Card capability info */
6592 int idx, max_key_len;
6593
6594 /* Is it supported ? */
6595 readCapabilityRid(local, &cap_rid, 1);
6596 if(!(cap_rid.softCap & 2)) {
6597 return -EOPNOTSUPP;
6598 }
6599 readConfigRid(local, 1);
6600
6601 max_key_len = encoding->length - sizeof(*ext);
6602 if (max_key_len < 0)
6603 return -EINVAL;
6604
6605 idx = encoding->flags & IW_ENCODE_INDEX;
6606 if (idx) {
6607 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6608 return -EINVAL;
6609 idx--;
6610 } else
6611 idx = get_wep_key(local, 0xffff);
6612
6613 encoding->flags = idx + 1;
6614 memset(ext, 0, sizeof(*ext));
6615
6616 /* Check encryption mode */
6617 switch(local->config.authType) {
6618 case AUTH_ENCRYPT:
6619 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6620 break;
6621 case AUTH_SHAREDKEY:
6622 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6623 break;
6624 default:
6625 case AUTH_OPEN:
6626 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6627 break;
6628 }
6629 /* We can't return the key, so set the proper flag and return zero */
6630 encoding->flags |= IW_ENCODE_NOKEY;
6631 memset(extra, 0, 16);
6632
6633 /* Copy the key to the user buffer */
6634 ext->key_len = get_wep_key(local, idx);
6635 if (ext->key_len > 16) {
6636 ext->key_len=0;
6637 }
6638
6639 return 0;
6640 }
6641
6642
6643 /*------------------------------------------------------------------*/
6644 /*
6645 * Wireless Handler : set extended authentication parameters
6646 */
6647 static int airo_set_auth(struct net_device *dev,
6648 struct iw_request_info *info,
6649 union iwreq_data *wrqu, char *extra)
6650 {
6651 struct airo_info *local = dev->priv;
6652 struct iw_param *param = &wrqu->param;
6653 u16 currentAuthType = local->config.authType;
6654
6655 switch (param->flags & IW_AUTH_INDEX) {
6656 case IW_AUTH_WPA_VERSION:
6657 case IW_AUTH_CIPHER_PAIRWISE:
6658 case IW_AUTH_CIPHER_GROUP:
6659 case IW_AUTH_KEY_MGMT:
6660 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6661 case IW_AUTH_PRIVACY_INVOKED:
6662 /*
6663 * airo does not use these parameters
6664 */
6665 break;
6666
6667 case IW_AUTH_DROP_UNENCRYPTED:
6668 if (param->value) {
6669 /* Only change auth type if unencrypted */
6670 if (currentAuthType == AUTH_OPEN)
6671 local->config.authType = AUTH_ENCRYPT;
6672 } else {
6673 local->config.authType = AUTH_OPEN;
6674 }
6675
6676 /* Commit the changes to flags if needed */
6677 if (local->config.authType != currentAuthType)
6678 set_bit (FLAG_COMMIT, &local->flags);
6679 break;
6680
6681 case IW_AUTH_80211_AUTH_ALG: {
6682 /* FIXME: What about AUTH_OPEN? This API seems to
6683 * disallow setting our auth to AUTH_OPEN.
6684 */
6685 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6686 local->config.authType = AUTH_SHAREDKEY;
6687 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6688 local->config.authType = AUTH_ENCRYPT;
6689 } else
6690 return -EINVAL;
6691 break;
6692
6693 /* Commit the changes to flags if needed */
6694 if (local->config.authType != currentAuthType)
6695 set_bit (FLAG_COMMIT, &local->flags);
6696 }
6697
6698 case IW_AUTH_WPA_ENABLED:
6699 /* Silently accept disable of WPA */
6700 if (param->value > 0)
6701 return -EOPNOTSUPP;
6702 break;
6703
6704 default:
6705 return -EOPNOTSUPP;
6706 }
6707 return -EINPROGRESS;
6708 }
6709
6710
6711 /*------------------------------------------------------------------*/
6712 /*
6713 * Wireless Handler : get extended authentication parameters
6714 */
6715 static int airo_get_auth(struct net_device *dev,
6716 struct iw_request_info *info,
6717 union iwreq_data *wrqu, char *extra)
6718 {
6719 struct airo_info *local = dev->priv;
6720 struct iw_param *param = &wrqu->param;
6721 u16 currentAuthType = local->config.authType;
6722
6723 switch (param->flags & IW_AUTH_INDEX) {
6724 case IW_AUTH_DROP_UNENCRYPTED:
6725 switch (currentAuthType) {
6726 case AUTH_SHAREDKEY:
6727 case AUTH_ENCRYPT:
6728 param->value = 1;
6729 break;
6730 default:
6731 param->value = 0;
6732 break;
6733 }
6734 break;
6735
6736 case IW_AUTH_80211_AUTH_ALG:
6737 switch (currentAuthType) {
6738 case AUTH_SHAREDKEY:
6739 param->value = IW_AUTH_ALG_SHARED_KEY;
6740 break;
6741 case AUTH_ENCRYPT:
6742 default:
6743 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6744 break;
6745 }
6746 break;
6747
6748 case IW_AUTH_WPA_ENABLED:
6749 param->value = 0;
6750 break;
6751
6752 default:
6753 return -EOPNOTSUPP;
6754 }
6755 return 0;
6756 }
6757
6758
6759 /*------------------------------------------------------------------*/
6760 /*
6761 * Wireless Handler : set Tx-Power
6762 */
6763 static int airo_set_txpow(struct net_device *dev,
6764 struct iw_request_info *info,
6765 struct iw_param *vwrq,
6766 char *extra)
6767 {
6768 struct airo_info *local = dev->priv;
6769 CapabilityRid cap_rid; /* Card capability info */
6770 int i;
6771 int rc = -EINVAL;
6772
6773 readCapabilityRid(local, &cap_rid, 1);
6774
6775 if (vwrq->disabled) {
6776 set_bit (FLAG_RADIO_OFF, &local->flags);
6777 set_bit (FLAG_COMMIT, &local->flags);
6778 return -EINPROGRESS; /* Call commit handler */
6779 }
6780 if (vwrq->flags != IW_TXPOW_MWATT) {
6781 return -EINVAL;
6782 }
6783 clear_bit (FLAG_RADIO_OFF, &local->flags);
6784 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6785 if ((vwrq->value==cap_rid.txPowerLevels[i])) {
6786 readConfigRid(local, 1);
6787 local->config.txPower = vwrq->value;
6788 set_bit (FLAG_COMMIT, &local->flags);
6789 rc = -EINPROGRESS; /* Call commit handler */
6790 break;
6791 }
6792 return rc;
6793 }
6794
6795 /*------------------------------------------------------------------*/
6796 /*
6797 * Wireless Handler : get Tx-Power
6798 */
6799 static int airo_get_txpow(struct net_device *dev,
6800 struct iw_request_info *info,
6801 struct iw_param *vwrq,
6802 char *extra)
6803 {
6804 struct airo_info *local = dev->priv;
6805
6806 readConfigRid(local, 1);
6807 vwrq->value = local->config.txPower;
6808 vwrq->fixed = 1; /* No power control */
6809 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6810 vwrq->flags = IW_TXPOW_MWATT;
6811
6812 return 0;
6813 }
6814
6815 /*------------------------------------------------------------------*/
6816 /*
6817 * Wireless Handler : set Retry limits
6818 */
6819 static int airo_set_retry(struct net_device *dev,
6820 struct iw_request_info *info,
6821 struct iw_param *vwrq,
6822 char *extra)
6823 {
6824 struct airo_info *local = dev->priv;
6825 int rc = -EINVAL;
6826
6827 if(vwrq->disabled) {
6828 return -EINVAL;
6829 }
6830 readConfigRid(local, 1);
6831 if(vwrq->flags & IW_RETRY_LIMIT) {
6832 if(vwrq->flags & IW_RETRY_LONG)
6833 local->config.longRetryLimit = vwrq->value;
6834 else if (vwrq->flags & IW_RETRY_SHORT)
6835 local->config.shortRetryLimit = vwrq->value;
6836 else {
6837 /* No modifier : set both */
6838 local->config.longRetryLimit = vwrq->value;
6839 local->config.shortRetryLimit = vwrq->value;
6840 }
6841 set_bit (FLAG_COMMIT, &local->flags);
6842 rc = -EINPROGRESS; /* Call commit handler */
6843 }
6844 if(vwrq->flags & IW_RETRY_LIFETIME) {
6845 local->config.txLifetime = vwrq->value / 1024;
6846 set_bit (FLAG_COMMIT, &local->flags);
6847 rc = -EINPROGRESS; /* Call commit handler */
6848 }
6849 return rc;
6850 }
6851
6852 /*------------------------------------------------------------------*/
6853 /*
6854 * Wireless Handler : get Retry limits
6855 */
6856 static int airo_get_retry(struct net_device *dev,
6857 struct iw_request_info *info,
6858 struct iw_param *vwrq,
6859 char *extra)
6860 {
6861 struct airo_info *local = dev->priv;
6862
6863 vwrq->disabled = 0; /* Can't be disabled */
6864
6865 readConfigRid(local, 1);
6866 /* Note : by default, display the min retry number */
6867 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6868 vwrq->flags = IW_RETRY_LIFETIME;
6869 vwrq->value = (int)local->config.txLifetime * 1024;
6870 } else if((vwrq->flags & IW_RETRY_LONG)) {
6871 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6872 vwrq->value = (int)local->config.longRetryLimit;
6873 } else {
6874 vwrq->flags = IW_RETRY_LIMIT;
6875 vwrq->value = (int)local->config.shortRetryLimit;
6876 if((int)local->config.shortRetryLimit != (int)local->config.longRetryLimit)
6877 vwrq->flags |= IW_RETRY_SHORT;
6878 }
6879
6880 return 0;
6881 }
6882
6883 /*------------------------------------------------------------------*/
6884 /*
6885 * Wireless Handler : get range info
6886 */
6887 static int airo_get_range(struct net_device *dev,
6888 struct iw_request_info *info,
6889 struct iw_point *dwrq,
6890 char *extra)
6891 {
6892 struct airo_info *local = dev->priv;
6893 struct iw_range *range = (struct iw_range *) extra;
6894 CapabilityRid cap_rid; /* Card capability info */
6895 int i;
6896 int k;
6897
6898 readCapabilityRid(local, &cap_rid, 1);
6899
6900 dwrq->length = sizeof(struct iw_range);
6901 memset(range, 0, sizeof(*range));
6902 range->min_nwid = 0x0000;
6903 range->max_nwid = 0x0000;
6904 range->num_channels = 14;
6905 /* Should be based on cap_rid.country to give only
6906 * what the current card support */
6907 k = 0;
6908 for(i = 0; i < 14; i++) {
6909 range->freq[k].i = i + 1; /* List index */
6910 range->freq[k].m = frequency_list[i] * 100000;
6911 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6912 }
6913 range->num_frequency = k;
6914
6915 range->sensitivity = 65535;
6916
6917 /* Hum... Should put the right values there */
6918 if (local->rssi)
6919 range->max_qual.qual = 100; /* % */
6920 else
6921 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6922 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6923 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6924
6925 /* Experimental measurements - boundary 11/5.5 Mb/s */
6926 /* Note : with or without the (local->rssi), results
6927 * are somewhat different. - Jean II */
6928 if (local->rssi) {
6929 range->avg_qual.qual = 50; /* % */
6930 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6931 } else {
6932 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6933 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6934 }
6935 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6936
6937 for(i = 0 ; i < 8 ; i++) {
6938 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6939 if(range->bitrate[i] == 0)
6940 break;
6941 }
6942 range->num_bitrates = i;
6943
6944 /* Set an indication of the max TCP throughput
6945 * in bit/s that we can expect using this interface.
6946 * May be use for QoS stuff... Jean II */
6947 if(i > 2)
6948 range->throughput = 5000 * 1000;
6949 else
6950 range->throughput = 1500 * 1000;
6951
6952 range->min_rts = 0;
6953 range->max_rts = AIRO_DEF_MTU;
6954 range->min_frag = 256;
6955 range->max_frag = AIRO_DEF_MTU;
6956
6957 if(cap_rid.softCap & 2) {
6958 // WEP: RC4 40 bits
6959 range->encoding_size[0] = 5;
6960 // RC4 ~128 bits
6961 if (cap_rid.softCap & 0x100) {
6962 range->encoding_size[1] = 13;
6963 range->num_encoding_sizes = 2;
6964 } else
6965 range->num_encoding_sizes = 1;
6966 range->max_encoding_tokens = (cap_rid.softCap & 0x80) ? 4 : 1;
6967 } else {
6968 range->num_encoding_sizes = 0;
6969 range->max_encoding_tokens = 0;
6970 }
6971 range->min_pmp = 0;
6972 range->max_pmp = 5000000; /* 5 secs */
6973 range->min_pmt = 0;
6974 range->max_pmt = 65535 * 1024; /* ??? */
6975 range->pmp_flags = IW_POWER_PERIOD;
6976 range->pmt_flags = IW_POWER_TIMEOUT;
6977 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6978
6979 /* Transmit Power - values are in mW */
6980 for(i = 0 ; i < 8 ; i++) {
6981 range->txpower[i] = cap_rid.txPowerLevels[i];
6982 if(range->txpower[i] == 0)
6983 break;
6984 }
6985 range->num_txpower = i;
6986 range->txpower_capa = IW_TXPOW_MWATT;
6987 range->we_version_source = 19;
6988 range->we_version_compiled = WIRELESS_EXT;
6989 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6990 range->retry_flags = IW_RETRY_LIMIT;
6991 range->r_time_flags = IW_RETRY_LIFETIME;
6992 range->min_retry = 1;
6993 range->max_retry = 65535;
6994 range->min_r_time = 1024;
6995 range->max_r_time = 65535 * 1024;
6996
6997 /* Event capability (kernel + driver) */
6998 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6999 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
7000 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
7001 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
7002 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7003 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7004 return 0;
7005 }
7006
7007 /*------------------------------------------------------------------*/
7008 /*
7009 * Wireless Handler : set Power Management
7010 */
7011 static int airo_set_power(struct net_device *dev,
7012 struct iw_request_info *info,
7013 struct iw_param *vwrq,
7014 char *extra)
7015 {
7016 struct airo_info *local = dev->priv;
7017
7018 readConfigRid(local, 1);
7019 if (vwrq->disabled) {
7020 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7021 return -EINVAL;
7022 }
7023 local->config.powerSaveMode = POWERSAVE_CAM;
7024 local->config.rmode &= 0xFF00;
7025 local->config.rmode |= RXMODE_BC_MC_ADDR;
7026 set_bit (FLAG_COMMIT, &local->flags);
7027 return -EINPROGRESS; /* Call commit handler */
7028 }
7029 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7030 local->config.fastListenDelay = (vwrq->value + 500) / 1024;
7031 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7032 set_bit (FLAG_COMMIT, &local->flags);
7033 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7034 local->config.fastListenInterval = local->config.listenInterval = (vwrq->value + 500) / 1024;
7035 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7036 set_bit (FLAG_COMMIT, &local->flags);
7037 }
7038 switch (vwrq->flags & IW_POWER_MODE) {
7039 case IW_POWER_UNICAST_R:
7040 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7041 return -EINVAL;
7042 }
7043 local->config.rmode &= 0xFF00;
7044 local->config.rmode |= RXMODE_ADDR;
7045 set_bit (FLAG_COMMIT, &local->flags);
7046 break;
7047 case IW_POWER_ALL_R:
7048 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7049 return -EINVAL;
7050 }
7051 local->config.rmode &= 0xFF00;
7052 local->config.rmode |= RXMODE_BC_MC_ADDR;
7053 set_bit (FLAG_COMMIT, &local->flags);
7054 case IW_POWER_ON:
7055 /* This is broken, fixme ;-) */
7056 break;
7057 default:
7058 return -EINVAL;
7059 }
7060 // Note : we may want to factor local->need_commit here
7061 // Note2 : may also want to factor RXMODE_RFMON test
7062 return -EINPROGRESS; /* Call commit handler */
7063 }
7064
7065 /*------------------------------------------------------------------*/
7066 /*
7067 * Wireless Handler : get Power Management
7068 */
7069 static int airo_get_power(struct net_device *dev,
7070 struct iw_request_info *info,
7071 struct iw_param *vwrq,
7072 char *extra)
7073 {
7074 struct airo_info *local = dev->priv;
7075 int mode;
7076
7077 readConfigRid(local, 1);
7078 mode = local->config.powerSaveMode;
7079 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7080 return 0;
7081 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7082 vwrq->value = (int)local->config.fastListenDelay * 1024;
7083 vwrq->flags = IW_POWER_TIMEOUT;
7084 } else {
7085 vwrq->value = (int)local->config.fastListenInterval * 1024;
7086 vwrq->flags = IW_POWER_PERIOD;
7087 }
7088 if ((local->config.rmode & 0xFF) == RXMODE_ADDR)
7089 vwrq->flags |= IW_POWER_UNICAST_R;
7090 else
7091 vwrq->flags |= IW_POWER_ALL_R;
7092
7093 return 0;
7094 }
7095
7096 /*------------------------------------------------------------------*/
7097 /*
7098 * Wireless Handler : set Sensitivity
7099 */
7100 static int airo_set_sens(struct net_device *dev,
7101 struct iw_request_info *info,
7102 struct iw_param *vwrq,
7103 char *extra)
7104 {
7105 struct airo_info *local = dev->priv;
7106
7107 readConfigRid(local, 1);
7108 local->config.rssiThreshold = vwrq->disabled ? RSSI_DEFAULT : vwrq->value;
7109 set_bit (FLAG_COMMIT, &local->flags);
7110
7111 return -EINPROGRESS; /* Call commit handler */
7112 }
7113
7114 /*------------------------------------------------------------------*/
7115 /*
7116 * Wireless Handler : get Sensitivity
7117 */
7118 static int airo_get_sens(struct net_device *dev,
7119 struct iw_request_info *info,
7120 struct iw_param *vwrq,
7121 char *extra)
7122 {
7123 struct airo_info *local = dev->priv;
7124
7125 readConfigRid(local, 1);
7126 vwrq->value = local->config.rssiThreshold;
7127 vwrq->disabled = (vwrq->value == 0);
7128 vwrq->fixed = 1;
7129
7130 return 0;
7131 }
7132
7133 /*------------------------------------------------------------------*/
7134 /*
7135 * Wireless Handler : get AP List
7136 * Note : this is deprecated in favor of IWSCAN
7137 */
7138 static int airo_get_aplist(struct net_device *dev,
7139 struct iw_request_info *info,
7140 struct iw_point *dwrq,
7141 char *extra)
7142 {
7143 struct airo_info *local = dev->priv;
7144 struct sockaddr *address = (struct sockaddr *) extra;
7145 struct iw_quality qual[IW_MAX_AP];
7146 BSSListRid BSSList;
7147 int i;
7148 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7149
7150 for (i = 0; i < IW_MAX_AP; i++) {
7151 if (readBSSListRid(local, loseSync, &BSSList))
7152 break;
7153 loseSync = 0;
7154 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7155 address[i].sa_family = ARPHRD_ETHER;
7156 if (local->rssi) {
7157 qual[i].level = 0x100 - BSSList.dBm;
7158 qual[i].qual = airo_dbm_to_pct( local->rssi, BSSList.dBm );
7159 qual[i].updated = IW_QUAL_QUAL_UPDATED
7160 | IW_QUAL_LEVEL_UPDATED
7161 | IW_QUAL_DBM;
7162 } else {
7163 qual[i].level = (BSSList.dBm + 321) / 2;
7164 qual[i].qual = 0;
7165 qual[i].updated = IW_QUAL_QUAL_INVALID
7166 | IW_QUAL_LEVEL_UPDATED
7167 | IW_QUAL_DBM;
7168 }
7169 qual[i].noise = local->wstats.qual.noise;
7170 if (BSSList.index == 0xffff)
7171 break;
7172 }
7173 if (!i) {
7174 StatusRid status_rid; /* Card status info */
7175 readStatusRid(local, &status_rid, 1);
7176 for (i = 0;
7177 i < min(IW_MAX_AP, 4) &&
7178 (status_rid.bssid[i][0]
7179 & status_rid.bssid[i][1]
7180 & status_rid.bssid[i][2]
7181 & status_rid.bssid[i][3]
7182 & status_rid.bssid[i][4]
7183 & status_rid.bssid[i][5])!=0xff &&
7184 (status_rid.bssid[i][0]
7185 | status_rid.bssid[i][1]
7186 | status_rid.bssid[i][2]
7187 | status_rid.bssid[i][3]
7188 | status_rid.bssid[i][4]
7189 | status_rid.bssid[i][5]);
7190 i++) {
7191 memcpy(address[i].sa_data,
7192 status_rid.bssid[i], ETH_ALEN);
7193 address[i].sa_family = ARPHRD_ETHER;
7194 }
7195 } else {
7196 dwrq->flags = 1; /* Should be define'd */
7197 memcpy(extra + sizeof(struct sockaddr)*i,
7198 &qual, sizeof(struct iw_quality)*i);
7199 }
7200 dwrq->length = i;
7201
7202 return 0;
7203 }
7204
7205 /*------------------------------------------------------------------*/
7206 /*
7207 * Wireless Handler : Initiate Scan
7208 */
7209 static int airo_set_scan(struct net_device *dev,
7210 struct iw_request_info *info,
7211 struct iw_param *vwrq,
7212 char *extra)
7213 {
7214 struct airo_info *ai = dev->priv;
7215 Cmd cmd;
7216 Resp rsp;
7217 int wake = 0;
7218
7219 /* Note : you may have realised that, as this is a SET operation,
7220 * this is privileged and therefore a normal user can't
7221 * perform scanning.
7222 * This is not an error, while the device perform scanning,
7223 * traffic doesn't flow, so it's a perfect DoS...
7224 * Jean II */
7225 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7226
7227 if (down_interruptible(&ai->sem))
7228 return -ERESTARTSYS;
7229
7230 /* If there's already a scan in progress, don't
7231 * trigger another one. */
7232 if (ai->scan_timeout > 0)
7233 goto out;
7234
7235 /* Initiate a scan command */
7236 ai->scan_timeout = RUN_AT(3*HZ);
7237 memset(&cmd, 0, sizeof(cmd));
7238 cmd.cmd=CMD_LISTBSS;
7239 issuecommand(ai, &cmd, &rsp);
7240 wake = 1;
7241
7242 out:
7243 up(&ai->sem);
7244 if (wake)
7245 wake_up_interruptible(&ai->thr_wait);
7246 return 0;
7247 }
7248
7249 /*------------------------------------------------------------------*/
7250 /*
7251 * Translate scan data returned from the card to a card independent
7252 * format that the Wireless Tools will understand - Jean II
7253 */
7254 static inline char *airo_translate_scan(struct net_device *dev,
7255 char *current_ev,
7256 char *end_buf,
7257 BSSListRid *bss)
7258 {
7259 struct airo_info *ai = dev->priv;
7260 struct iw_event iwe; /* Temporary buffer */
7261 u16 capabilities;
7262 char * current_val; /* For rates */
7263 int i;
7264 char * buf;
7265
7266 /* First entry *MUST* be the AP MAC address */
7267 iwe.cmd = SIOCGIWAP;
7268 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7269 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7270 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
7271
7272 /* Other entries will be displayed in the order we give them */
7273
7274 /* Add the ESSID */
7275 iwe.u.data.length = bss->ssidLen;
7276 if(iwe.u.data.length > 32)
7277 iwe.u.data.length = 32;
7278 iwe.cmd = SIOCGIWESSID;
7279 iwe.u.data.flags = 1;
7280 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7281
7282 /* Add mode */
7283 iwe.cmd = SIOCGIWMODE;
7284 capabilities = le16_to_cpu(bss->cap);
7285 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7286 if(capabilities & CAP_ESS)
7287 iwe.u.mode = IW_MODE_MASTER;
7288 else
7289 iwe.u.mode = IW_MODE_ADHOC;
7290 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
7291 }
7292
7293 /* Add frequency */
7294 iwe.cmd = SIOCGIWFREQ;
7295 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7296 /* iwe.u.freq.m containt the channel (starting 1), our
7297 * frequency_list array start at index 0...
7298 */
7299 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
7300 iwe.u.freq.e = 1;
7301 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
7302
7303 /* Add quality statistics */
7304 iwe.cmd = IWEVQUAL;
7305 if (ai->rssi) {
7306 iwe.u.qual.level = 0x100 - bss->dBm;
7307 iwe.u.qual.qual = airo_dbm_to_pct( ai->rssi, bss->dBm );
7308 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7309 | IW_QUAL_LEVEL_UPDATED
7310 | IW_QUAL_DBM;
7311 } else {
7312 iwe.u.qual.level = (bss->dBm + 321) / 2;
7313 iwe.u.qual.qual = 0;
7314 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7315 | IW_QUAL_LEVEL_UPDATED
7316 | IW_QUAL_DBM;
7317 }
7318 iwe.u.qual.noise = ai->wstats.qual.noise;
7319 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
7320
7321 /* Add encryption capability */
7322 iwe.cmd = SIOCGIWENCODE;
7323 if(capabilities & CAP_PRIVACY)
7324 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7325 else
7326 iwe.u.data.flags = IW_ENCODE_DISABLED;
7327 iwe.u.data.length = 0;
7328 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7329
7330 /* Rate : stuffing multiple values in a single event require a bit
7331 * more of magic - Jean II */
7332 current_val = current_ev + IW_EV_LCP_LEN;
7333
7334 iwe.cmd = SIOCGIWRATE;
7335 /* Those two flags are ignored... */
7336 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7337 /* Max 8 values */
7338 for(i = 0 ; i < 8 ; i++) {
7339 /* NULL terminated */
7340 if(bss->rates[i] == 0)
7341 break;
7342 /* Bit rate given in 500 kb/s units (+ 0x80) */
7343 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7344 /* Add new value to event */
7345 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
7346 }
7347 /* Check if we added any event */
7348 if((current_val - current_ev) > IW_EV_LCP_LEN)
7349 current_ev = current_val;
7350
7351 /* Beacon interval */
7352 buf = kmalloc(30, GFP_KERNEL);
7353 if (buf) {
7354 iwe.cmd = IWEVCUSTOM;
7355 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7356 iwe.u.data.length = strlen(buf);
7357 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, buf);
7358 kfree(buf);
7359 }
7360
7361 /* Put WPA/RSN Information Elements into the event stream */
7362 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7363 unsigned int num_null_ies = 0;
7364 u16 length = sizeof (bss->extra.iep);
7365 struct ieee80211_info_element *info_element =
7366 (struct ieee80211_info_element *) &bss->extra.iep;
7367
7368 while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) {
7369 if (sizeof(*info_element) + info_element->len > length) {
7370 /* Invalid element, don't continue parsing IE */
7371 break;
7372 }
7373
7374 switch (info_element->id) {
7375 case MFIE_TYPE_SSID:
7376 /* Two zero-length SSID elements
7377 * mean we're done parsing elements */
7378 if (!info_element->len)
7379 num_null_ies++;
7380 break;
7381
7382 case MFIE_TYPE_GENERIC:
7383 if (info_element->len >= 4 &&
7384 info_element->data[0] == 0x00 &&
7385 info_element->data[1] == 0x50 &&
7386 info_element->data[2] == 0xf2 &&
7387 info_element->data[3] == 0x01) {
7388 iwe.cmd = IWEVGENIE;
7389 iwe.u.data.length = min(info_element->len + 2,
7390 MAX_WPA_IE_LEN);
7391 current_ev = iwe_stream_add_point(current_ev, end_buf,
7392 &iwe, (char *) info_element);
7393 }
7394 break;
7395
7396 case MFIE_TYPE_RSN:
7397 iwe.cmd = IWEVGENIE;
7398 iwe.u.data.length = min(info_element->len + 2,
7399 MAX_WPA_IE_LEN);
7400 current_ev = iwe_stream_add_point(current_ev, end_buf,
7401 &iwe, (char *) info_element);
7402 break;
7403
7404 default:
7405 break;
7406 }
7407
7408 length -= sizeof(*info_element) + info_element->len;
7409 info_element =
7410 (struct ieee80211_info_element *)&info_element->
7411 data[info_element->len];
7412 }
7413 }
7414 return current_ev;
7415 }
7416
7417 /*------------------------------------------------------------------*/
7418 /*
7419 * Wireless Handler : Read Scan Results
7420 */
7421 static int airo_get_scan(struct net_device *dev,
7422 struct iw_request_info *info,
7423 struct iw_point *dwrq,
7424 char *extra)
7425 {
7426 struct airo_info *ai = dev->priv;
7427 BSSListElement *net;
7428 int err = 0;
7429 char *current_ev = extra;
7430
7431 /* If a scan is in-progress, return -EAGAIN */
7432 if (ai->scan_timeout > 0)
7433 return -EAGAIN;
7434
7435 if (down_interruptible(&ai->sem))
7436 return -EAGAIN;
7437
7438 list_for_each_entry (net, &ai->network_list, list) {
7439 /* Translate to WE format this entry */
7440 current_ev = airo_translate_scan(dev, current_ev,
7441 extra + dwrq->length,
7442 &net->bss);
7443
7444 /* Check if there is space for one more entry */
7445 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7446 /* Ask user space to try again with a bigger buffer */
7447 err = -E2BIG;
7448 goto out;
7449 }
7450 }
7451
7452 /* Length of data */
7453 dwrq->length = (current_ev - extra);
7454 dwrq->flags = 0; /* todo */
7455
7456 out:
7457 up(&ai->sem);
7458 return err;
7459 }
7460
7461 /*------------------------------------------------------------------*/
7462 /*
7463 * Commit handler : called after a bunch of SET operations
7464 */
7465 static int airo_config_commit(struct net_device *dev,
7466 struct iw_request_info *info, /* NULL */
7467 void *zwrq, /* NULL */
7468 char *extra) /* NULL */
7469 {
7470 struct airo_info *local = dev->priv;
7471 Resp rsp;
7472
7473 if (!test_bit (FLAG_COMMIT, &local->flags))
7474 return 0;
7475
7476 /* Some of the "SET" function may have modified some of the
7477 * parameters. It's now time to commit them in the card */
7478 disable_MAC(local, 1);
7479 if (test_bit (FLAG_RESET, &local->flags)) {
7480 APListRid APList_rid;
7481 SsidRid SSID_rid;
7482
7483 readAPListRid(local, &APList_rid);
7484 readSsidRid(local, &SSID_rid);
7485 if (test_bit(FLAG_MPI,&local->flags))
7486 setup_card(local, dev->dev_addr, 1 );
7487 else
7488 reset_airo_card(dev);
7489 disable_MAC(local, 1);
7490 writeSsidRid(local, &SSID_rid, 1);
7491 writeAPListRid(local, &APList_rid, 1);
7492 }
7493 if (down_interruptible(&local->sem))
7494 return -ERESTARTSYS;
7495 writeConfigRid(local, 0);
7496 enable_MAC(local, &rsp, 0);
7497 if (test_bit (FLAG_RESET, &local->flags))
7498 airo_set_promisc(local);
7499 else
7500 up(&local->sem);
7501
7502 return 0;
7503 }
7504
7505 /*------------------------------------------------------------------*/
7506 /*
7507 * Structures to export the Wireless Handlers
7508 */
7509
7510 static const struct iw_priv_args airo_private_args[] = {
7511 /*{ cmd, set_args, get_args, name } */
7512 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7513 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7514 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7515 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7516 };
7517
7518 static const iw_handler airo_handler[] =
7519 {
7520 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7521 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7522 (iw_handler) NULL, /* SIOCSIWNWID */
7523 (iw_handler) NULL, /* SIOCGIWNWID */
7524 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7525 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7526 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7527 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7528 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7529 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7530 (iw_handler) NULL, /* SIOCSIWRANGE */
7531 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7532 (iw_handler) NULL, /* SIOCSIWPRIV */
7533 (iw_handler) NULL, /* SIOCGIWPRIV */
7534 (iw_handler) NULL, /* SIOCSIWSTATS */
7535 (iw_handler) NULL, /* SIOCGIWSTATS */
7536 iw_handler_set_spy, /* SIOCSIWSPY */
7537 iw_handler_get_spy, /* SIOCGIWSPY */
7538 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7539 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7540 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7541 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7542 (iw_handler) NULL, /* -- hole -- */
7543 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7544 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7545 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7546 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7547 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7548 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7549 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7550 (iw_handler) NULL, /* -- hole -- */
7551 (iw_handler) NULL, /* -- hole -- */
7552 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7553 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7554 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7555 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7556 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7557 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7558 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7559 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7560 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7561 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7562 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7563 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7564 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7565 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7566 (iw_handler) NULL, /* -- hole -- */
7567 (iw_handler) NULL, /* -- hole -- */
7568 (iw_handler) NULL, /* SIOCSIWGENIE */
7569 (iw_handler) NULL, /* SIOCGIWGENIE */
7570 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7571 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7572 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7573 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7574 (iw_handler) NULL, /* SIOCSIWPMKSA */
7575 };
7576
7577 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7578 * We want to force the use of the ioctl code, because those can't be
7579 * won't work the iw_handler code (because they simultaneously read
7580 * and write data and iw_handler can't do that).
7581 * Note that it's perfectly legal to read/write on a single ioctl command,
7582 * you just can't use iwpriv and need to force it via the ioctl handler.
7583 * Jean II */
7584 static const iw_handler airo_private_handler[] =
7585 {
7586 NULL, /* SIOCIWFIRSTPRIV */
7587 };
7588
7589 static const struct iw_handler_def airo_handler_def =
7590 {
7591 .num_standard = sizeof(airo_handler)/sizeof(iw_handler),
7592 .num_private = sizeof(airo_private_handler)/sizeof(iw_handler),
7593 .num_private_args = sizeof(airo_private_args)/sizeof(struct iw_priv_args),
7594 .standard = airo_handler,
7595 .private = airo_private_handler,
7596 .private_args = airo_private_args,
7597 .get_wireless_stats = airo_get_wireless_stats,
7598 };
7599
7600 /*
7601 * This defines the configuration part of the Wireless Extensions
7602 * Note : irq and spinlock protection will occur in the subroutines
7603 *
7604 * TODO :
7605 * o Check input value more carefully and fill correct values in range
7606 * o Test and shakeout the bugs (if any)
7607 *
7608 * Jean II
7609 *
7610 * Javier Achirica did a great job of merging code from the unnamed CISCO
7611 * developer that added support for flashing the card.
7612 */
7613 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7614 {
7615 int rc = 0;
7616 struct airo_info *ai = (struct airo_info *)dev->priv;
7617
7618 if (ai->power.event)
7619 return 0;
7620
7621 switch (cmd) {
7622 #ifdef CISCO_EXT
7623 case AIROIDIFC:
7624 #ifdef AIROOLDIDIFC
7625 case AIROOLDIDIFC:
7626 #endif
7627 {
7628 int val = AIROMAGIC;
7629 aironet_ioctl com;
7630 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7631 rc = -EFAULT;
7632 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7633 rc = -EFAULT;
7634 }
7635 break;
7636
7637 case AIROIOCTL:
7638 #ifdef AIROOLDIOCTL
7639 case AIROOLDIOCTL:
7640 #endif
7641 /* Get the command struct and hand it off for evaluation by
7642 * the proper subfunction
7643 */
7644 {
7645 aironet_ioctl com;
7646 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7647 rc = -EFAULT;
7648 break;
7649 }
7650
7651 /* Separate R/W functions bracket legality here
7652 */
7653 if ( com.command == AIRORSWVERSION ) {
7654 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7655 rc = -EFAULT;
7656 else
7657 rc = 0;
7658 }
7659 else if ( com.command <= AIRORRID)
7660 rc = readrids(dev,&com);
7661 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7662 rc = writerids(dev,&com);
7663 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7664 rc = flashcard(dev,&com);
7665 else
7666 rc = -EINVAL; /* Bad command in ioctl */
7667 }
7668 break;
7669 #endif /* CISCO_EXT */
7670
7671 // All other calls are currently unsupported
7672 default:
7673 rc = -EOPNOTSUPP;
7674 }
7675 return rc;
7676 }
7677
7678 /*
7679 * Get the Wireless stats out of the driver
7680 * Note : irq and spinlock protection will occur in the subroutines
7681 *
7682 * TODO :
7683 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7684 *
7685 * Jean
7686 */
7687 static void airo_read_wireless_stats(struct airo_info *local)
7688 {
7689 StatusRid status_rid;
7690 StatsRid stats_rid;
7691 CapabilityRid cap_rid;
7692 u32 *vals = stats_rid.vals;
7693
7694 /* Get stats out of the card */
7695 clear_bit(JOB_WSTATS, &local->jobs);
7696 if (local->power.event) {
7697 up(&local->sem);
7698 return;
7699 }
7700 readCapabilityRid(local, &cap_rid, 0);
7701 readStatusRid(local, &status_rid, 0);
7702 readStatsRid(local, &stats_rid, RID_STATS, 0);
7703 up(&local->sem);
7704
7705 /* The status */
7706 local->wstats.status = status_rid.mode;
7707
7708 /* Signal quality and co */
7709 if (local->rssi) {
7710 local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
7711 /* normalizedSignalStrength appears to be a percentage */
7712 local->wstats.qual.qual = status_rid.normalizedSignalStrength;
7713 } else {
7714 local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
7715 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7716 }
7717 if (status_rid.len >= 124) {
7718 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7719 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7720 } else {
7721 local->wstats.qual.noise = 0;
7722 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7723 }
7724
7725 /* Packets discarded in the wireless adapter due to wireless
7726 * specific problems */
7727 local->wstats.discard.nwid = vals[56] + vals[57] + vals[58];/* SSID Mismatch */
7728 local->wstats.discard.code = vals[6];/* RxWepErr */
7729 local->wstats.discard.fragment = vals[30];
7730 local->wstats.discard.retries = vals[10];
7731 local->wstats.discard.misc = vals[1] + vals[32];
7732 local->wstats.miss.beacon = vals[34];
7733 }
7734
7735 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7736 {
7737 struct airo_info *local = dev->priv;
7738
7739 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7740 /* Get stats out of the card if available */
7741 if (down_trylock(&local->sem) != 0) {
7742 set_bit(JOB_WSTATS, &local->jobs);
7743 wake_up_interruptible(&local->thr_wait);
7744 } else
7745 airo_read_wireless_stats(local);
7746 }
7747
7748 return &local->wstats;
7749 }
7750
7751 #ifdef CISCO_EXT
7752 /*
7753 * This just translates from driver IOCTL codes to the command codes to
7754 * feed to the radio's host interface. Things can be added/deleted
7755 * as needed. This represents the READ side of control I/O to
7756 * the card
7757 */
7758 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7759 unsigned short ridcode;
7760 unsigned char *iobuf;
7761 int len;
7762 struct airo_info *ai = dev->priv;
7763 Resp rsp;
7764
7765 if (test_bit(FLAG_FLASHING, &ai->flags))
7766 return -EIO;
7767
7768 switch(comp->command)
7769 {
7770 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7771 case AIROGCFG: ridcode = RID_CONFIG;
7772 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7773 disable_MAC (ai, 1);
7774 writeConfigRid (ai, 1);
7775 enable_MAC (ai, &rsp, 1);
7776 }
7777 break;
7778 case AIROGSLIST: ridcode = RID_SSID; break;
7779 case AIROGVLIST: ridcode = RID_APLIST; break;
7780 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7781 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7782 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7783 /* Only super-user can read WEP keys */
7784 if (!capable(CAP_NET_ADMIN))
7785 return -EPERM;
7786 break;
7787 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7788 /* Only super-user can read WEP keys */
7789 if (!capable(CAP_NET_ADMIN))
7790 return -EPERM;
7791 break;
7792 case AIROGSTAT: ridcode = RID_STATUS; break;
7793 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7794 case AIROGSTATSC32: ridcode = RID_STATS; break;
7795 case AIROGMICSTATS:
7796 if (copy_to_user(comp->data, &ai->micstats,
7797 min((int)comp->len,(int)sizeof(ai->micstats))))
7798 return -EFAULT;
7799 return 0;
7800 case AIRORRID: ridcode = comp->ridnum; break;
7801 default:
7802 return -EINVAL;
7803 break;
7804 }
7805
7806 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7807 return -ENOMEM;
7808
7809 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7810 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7811 * then return it to the user
7812 * 9/22/2000 Honor user given length
7813 */
7814 len = comp->len;
7815
7816 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7817 kfree (iobuf);
7818 return -EFAULT;
7819 }
7820 kfree (iobuf);
7821 return 0;
7822 }
7823
7824 /*
7825 * Danger Will Robinson write the rids here
7826 */
7827
7828 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7829 struct airo_info *ai = dev->priv;
7830 int ridcode;
7831 int enabled;
7832 Resp rsp;
7833 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7834 unsigned char *iobuf;
7835
7836 /* Only super-user can write RIDs */
7837 if (!capable(CAP_NET_ADMIN))
7838 return -EPERM;
7839
7840 if (test_bit(FLAG_FLASHING, &ai->flags))
7841 return -EIO;
7842
7843 ridcode = 0;
7844 writer = do_writerid;
7845
7846 switch(comp->command)
7847 {
7848 case AIROPSIDS: ridcode = RID_SSID; break;
7849 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7850 case AIROPAPLIST: ridcode = RID_APLIST; break;
7851 case AIROPCFG: ai->config.len = 0;
7852 clear_bit(FLAG_COMMIT, &ai->flags);
7853 ridcode = RID_CONFIG; break;
7854 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7855 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7856 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7857 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7858 break;
7859 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7860 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7861
7862 /* this is not really a rid but a command given to the card
7863 * same with MAC off
7864 */
7865 case AIROPMACON:
7866 if (enable_MAC(ai, &rsp, 1) != 0)
7867 return -EIO;
7868 return 0;
7869
7870 /*
7871 * Evidently this code in the airo driver does not get a symbol
7872 * as disable_MAC. it's probably so short the compiler does not gen one.
7873 */
7874 case AIROPMACOFF:
7875 disable_MAC(ai, 1);
7876 return 0;
7877
7878 /* This command merely clears the counts does not actually store any data
7879 * only reads rid. But as it changes the cards state, I put it in the
7880 * writerid routines.
7881 */
7882 case AIROPSTCLR:
7883 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7884 return -ENOMEM;
7885
7886 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7887
7888 enabled = ai->micstats.enabled;
7889 memset(&ai->micstats,0,sizeof(ai->micstats));
7890 ai->micstats.enabled = enabled;
7891
7892 if (copy_to_user(comp->data, iobuf,
7893 min((int)comp->len, (int)RIDSIZE))) {
7894 kfree (iobuf);
7895 return -EFAULT;
7896 }
7897 kfree (iobuf);
7898 return 0;
7899
7900 default:
7901 return -EOPNOTSUPP; /* Blarg! */
7902 }
7903 if(comp->len > RIDSIZE)
7904 return -EINVAL;
7905
7906 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7907 return -ENOMEM;
7908
7909 if (copy_from_user(iobuf,comp->data,comp->len)) {
7910 kfree (iobuf);
7911 return -EFAULT;
7912 }
7913
7914 if (comp->command == AIROPCFG) {
7915 ConfigRid *cfg = (ConfigRid *)iobuf;
7916
7917 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7918 cfg->opmode |= MODE_MIC;
7919
7920 if ((cfg->opmode & 0xFF) == MODE_STA_IBSS)
7921 set_bit (FLAG_ADHOC, &ai->flags);
7922 else
7923 clear_bit (FLAG_ADHOC, &ai->flags);
7924 }
7925
7926 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7927 kfree (iobuf);
7928 return -EIO;
7929 }
7930 kfree (iobuf);
7931 return 0;
7932 }
7933
7934 /*****************************************************************************
7935 * Ancillary flash / mod functions much black magic lurkes here *
7936 *****************************************************************************
7937 */
7938
7939 /*
7940 * Flash command switch table
7941 */
7942
7943 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7944 int z;
7945
7946 /* Only super-user can modify flash */
7947 if (!capable(CAP_NET_ADMIN))
7948 return -EPERM;
7949
7950 switch(comp->command)
7951 {
7952 case AIROFLSHRST:
7953 return cmdreset((struct airo_info *)dev->priv);
7954
7955 case AIROFLSHSTFL:
7956 if (!((struct airo_info *)dev->priv)->flash &&
7957 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7958 return -ENOMEM;
7959 return setflashmode((struct airo_info *)dev->priv);
7960
7961 case AIROFLSHGCHR: /* Get char from aux */
7962 if(comp->len != sizeof(int))
7963 return -EINVAL;
7964 if (copy_from_user(&z,comp->data,comp->len))
7965 return -EFAULT;
7966 return flashgchar((struct airo_info *)dev->priv,z,8000);
7967
7968 case AIROFLSHPCHR: /* Send char to card. */
7969 if(comp->len != sizeof(int))
7970 return -EINVAL;
7971 if (copy_from_user(&z,comp->data,comp->len))
7972 return -EFAULT;
7973 return flashpchar((struct airo_info *)dev->priv,z,8000);
7974
7975 case AIROFLPUTBUF: /* Send 32k to card */
7976 if (!((struct airo_info *)dev->priv)->flash)
7977 return -ENOMEM;
7978 if(comp->len > FLASHSIZE)
7979 return -EINVAL;
7980 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7981 return -EFAULT;
7982
7983 flashputbuf((struct airo_info *)dev->priv);
7984 return 0;
7985
7986 case AIRORESTART:
7987 if(flashrestart((struct airo_info *)dev->priv,dev))
7988 return -EIO;
7989 return 0;
7990 }
7991 return -EINVAL;
7992 }
7993
7994 #define FLASH_COMMAND 0x7e7e
7995
7996 /*
7997 * STEP 1)
7998 * Disable MAC and do soft reset on
7999 * card.
8000 */
8001
8002 static int cmdreset(struct airo_info *ai) {
8003 disable_MAC(ai, 1);
8004
8005 if(!waitbusy (ai)){
8006 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8007 return -EBUSY;
8008 }
8009
8010 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8011
8012 ssleep(1); /* WAS 600 12/7/00 */
8013
8014 if(!waitbusy (ai)){
8015 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8016 return -EBUSY;
8017 }
8018 return 0;
8019 }
8020
8021 /* STEP 2)
8022 * Put the card in legendary flash
8023 * mode
8024 */
8025
8026 static int setflashmode (struct airo_info *ai) {
8027 set_bit (FLAG_FLASHING, &ai->flags);
8028
8029 OUT4500(ai, SWS0, FLASH_COMMAND);
8030 OUT4500(ai, SWS1, FLASH_COMMAND);
8031 if (probe) {
8032 OUT4500(ai, SWS0, FLASH_COMMAND);
8033 OUT4500(ai, COMMAND,0x10);
8034 } else {
8035 OUT4500(ai, SWS2, FLASH_COMMAND);
8036 OUT4500(ai, SWS3, FLASH_COMMAND);
8037 OUT4500(ai, COMMAND,0);
8038 }
8039 msleep(500); /* 500ms delay */
8040
8041 if(!waitbusy(ai)) {
8042 clear_bit (FLAG_FLASHING, &ai->flags);
8043 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8044 return -EIO;
8045 }
8046 return 0;
8047 }
8048
8049 /* Put character to SWS0 wait for dwelltime
8050 * x 50us for echo .
8051 */
8052
8053 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8054 int echo;
8055 int waittime;
8056
8057 byte |= 0x8000;
8058
8059 if(dwelltime == 0 )
8060 dwelltime = 200;
8061
8062 waittime=dwelltime;
8063
8064 /* Wait for busy bit d15 to go false indicating buffer empty */
8065 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8066 udelay (50);
8067 waittime -= 50;
8068 }
8069
8070 /* timeout for busy clear wait */
8071 if(waittime <= 0 ){
8072 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8073 return -EBUSY;
8074 }
8075
8076 /* Port is clear now write byte and wait for it to echo back */
8077 do {
8078 OUT4500(ai,SWS0,byte);
8079 udelay(50);
8080 dwelltime -= 50;
8081 echo = IN4500(ai,SWS1);
8082 } while (dwelltime >= 0 && echo != byte);
8083
8084 OUT4500(ai,SWS1,0);
8085
8086 return (echo == byte) ? 0 : -EIO;
8087 }
8088
8089 /*
8090 * Get a character from the card matching matchbyte
8091 * Step 3)
8092 */
8093 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8094 int rchar;
8095 unsigned char rbyte=0;
8096
8097 do {
8098 rchar = IN4500(ai,SWS1);
8099
8100 if(dwelltime && !(0x8000 & rchar)){
8101 dwelltime -= 10;
8102 mdelay(10);
8103 continue;
8104 }
8105 rbyte = 0xff & rchar;
8106
8107 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8108 OUT4500(ai,SWS1,0);
8109 return 0;
8110 }
8111 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8112 break;
8113 OUT4500(ai,SWS1,0);
8114
8115 }while(dwelltime > 0);
8116 return -EIO;
8117 }
8118
8119 /*
8120 * Transfer 32k of firmware data from user buffer to our buffer and
8121 * send to the card
8122 */
8123
8124 static int flashputbuf(struct airo_info *ai){
8125 int nwords;
8126
8127 /* Write stuff */
8128 if (test_bit(FLAG_MPI,&ai->flags))
8129 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8130 else {
8131 OUT4500(ai,AUXPAGE,0x100);
8132 OUT4500(ai,AUXOFF,0);
8133
8134 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8135 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8136 }
8137 }
8138 OUT4500(ai,SWS0,0x8000);
8139
8140 return 0;
8141 }
8142
8143 /*
8144 *
8145 */
8146 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8147 int i,status;
8148
8149 ssleep(1); /* Added 12/7/00 */
8150 clear_bit (FLAG_FLASHING, &ai->flags);
8151 if (test_bit(FLAG_MPI, &ai->flags)) {
8152 status = mpi_init_descriptors(ai);
8153 if (status != SUCCESS)
8154 return status;
8155 }
8156 status = setup_card(ai, dev->dev_addr, 1);
8157
8158 if (!test_bit(FLAG_MPI,&ai->flags))
8159 for( i = 0; i < MAX_FIDS; i++ ) {
8160 ai->fids[i] = transmit_allocate
8161 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8162 }
8163
8164 ssleep(1); /* Added 12/7/00 */
8165 return status;
8166 }
8167 #endif /* CISCO_EXT */
8168
8169 /*
8170 This program is free software; you can redistribute it and/or
8171 modify it under the terms of the GNU General Public License
8172 as published by the Free Software Foundation; either version 2
8173 of the License, or (at your option) any later version.
8174
8175 This program is distributed in the hope that it will be useful,
8176 but WITHOUT ANY WARRANTY; without even the implied warranty of
8177 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8178 GNU General Public License for more details.
8179
8180 In addition:
8181
8182 Redistribution and use in source and binary forms, with or without
8183 modification, are permitted provided that the following conditions
8184 are met:
8185
8186 1. Redistributions of source code must retain the above copyright
8187 notice, this list of conditions and the following disclaimer.
8188 2. Redistributions in binary form must reproduce the above copyright
8189 notice, this list of conditions and the following disclaimer in the
8190 documentation and/or other materials provided with the distribution.
8191 3. The name of the author may not be used to endorse or promote
8192 products derived from this software without specific prior written
8193 permission.
8194
8195 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8196 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8197 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8198 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8199 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8200 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8201 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8202 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8203 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8204 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8205 POSSIBILITY OF SUCH DAMAGE.
8206 */
8207
8208 module_init(airo_init_module);
8209 module_exit(airo_cleanup_module);
Linux with added FPC-III support