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[hh.org.git] / drivers / net / wireless / airo.c
blobefcdaf1c5f735fd7b5619a2c39ae221b6e0708f4
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
53 #include "airo.h"
54
55 #ifdef CONFIG_PCI
56 static struct pci_device_id card_ids[] = {
57 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
58 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
59 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
60 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
61 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
62 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
63 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0, }
65 };
66 MODULE_DEVICE_TABLE(pci, card_ids);
67
68 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
69 static void airo_pci_remove(struct pci_dev *);
70 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
71 static int airo_pci_resume(struct pci_dev *pdev);
72
73 static struct pci_driver airo_driver = {
74 .name = "airo",
75 .id_table = card_ids,
76 .probe = airo_pci_probe,
77 .remove = __devexit_p(airo_pci_remove),
78 .suspend = airo_pci_suspend,
79 .resume = airo_pci_resume,
80 };
81 #endif /* CONFIG_PCI */
82
83 /* Include Wireless Extension definition and check version - Jean II */
84 #include <linux/wireless.h>
85 #define WIRELESS_SPY // enable iwspy support
86 #include <net/iw_handler.h> // New driver API
87
88 #define CISCO_EXT // enable Cisco extensions
89 #ifdef CISCO_EXT
90 #include <linux/delay.h>
91 #endif
92
93 /* Hack to do some power saving */
94 #define POWER_ON_DOWN
95
96 /* As you can see this list is HUGH!
97 I really don't know what a lot of these counts are about, but they
98 are all here for completeness. If the IGNLABEL macro is put in
99 infront of the label, that statistic will not be included in the list
100 of statistics in the /proc filesystem */
101
102 #define IGNLABEL(comment) NULL
103 static char *statsLabels[] = {
104 "RxOverrun",
105 IGNLABEL("RxPlcpCrcErr"),
106 IGNLABEL("RxPlcpFormatErr"),
107 IGNLABEL("RxPlcpLengthErr"),
108 "RxMacCrcErr",
109 "RxMacCrcOk",
110 "RxWepErr",
111 "RxWepOk",
112 "RetryLong",
113 "RetryShort",
114 "MaxRetries",
115 "NoAck",
116 "NoCts",
117 "RxAck",
118 "RxCts",
119 "TxAck",
120 "TxRts",
121 "TxCts",
122 "TxMc",
123 "TxBc",
124 "TxUcFrags",
125 "TxUcPackets",
126 "TxBeacon",
127 "RxBeacon",
128 "TxSinColl",
129 "TxMulColl",
130 "DefersNo",
131 "DefersProt",
132 "DefersEngy",
133 "DupFram",
134 "RxFragDisc",
135 "TxAged",
136 "RxAged",
137 "LostSync-MaxRetry",
138 "LostSync-MissedBeacons",
139 "LostSync-ArlExceeded",
140 "LostSync-Deauth",
141 "LostSync-Disassoced",
142 "LostSync-TsfTiming",
143 "HostTxMc",
144 "HostTxBc",
145 "HostTxUc",
146 "HostTxFail",
147 "HostRxMc",
148 "HostRxBc",
149 "HostRxUc",
150 "HostRxDiscard",
151 IGNLABEL("HmacTxMc"),
152 IGNLABEL("HmacTxBc"),
153 IGNLABEL("HmacTxUc"),
154 IGNLABEL("HmacTxFail"),
155 IGNLABEL("HmacRxMc"),
156 IGNLABEL("HmacRxBc"),
157 IGNLABEL("HmacRxUc"),
158 IGNLABEL("HmacRxDiscard"),
159 IGNLABEL("HmacRxAccepted"),
160 "SsidMismatch",
161 "ApMismatch",
162 "RatesMismatch",
163 "AuthReject",
164 "AuthTimeout",
165 "AssocReject",
166 "AssocTimeout",
167 IGNLABEL("ReasonOutsideTable"),
168 IGNLABEL("ReasonStatus1"),
169 IGNLABEL("ReasonStatus2"),
170 IGNLABEL("ReasonStatus3"),
171 IGNLABEL("ReasonStatus4"),
172 IGNLABEL("ReasonStatus5"),
173 IGNLABEL("ReasonStatus6"),
174 IGNLABEL("ReasonStatus7"),
175 IGNLABEL("ReasonStatus8"),
176 IGNLABEL("ReasonStatus9"),
177 IGNLABEL("ReasonStatus10"),
178 IGNLABEL("ReasonStatus11"),
179 IGNLABEL("ReasonStatus12"),
180 IGNLABEL("ReasonStatus13"),
181 IGNLABEL("ReasonStatus14"),
182 IGNLABEL("ReasonStatus15"),
183 IGNLABEL("ReasonStatus16"),
184 IGNLABEL("ReasonStatus17"),
185 IGNLABEL("ReasonStatus18"),
186 IGNLABEL("ReasonStatus19"),
187 "RxMan",
188 "TxMan",
189 "RxRefresh",
190 "TxRefresh",
191 "RxPoll",
192 "TxPoll",
193 "HostRetries",
194 "LostSync-HostReq",
195 "HostTxBytes",
196 "HostRxBytes",
197 "ElapsedUsec",
198 "ElapsedSec",
199 "LostSyncBetterAP",
200 "PrivacyMismatch",
201 "Jammed",
202 "DiscRxNotWepped",
203 "PhyEleMismatch",
204 (char*)-1 };
205 #ifndef RUN_AT
206 #define RUN_AT(x) (jiffies+(x))
207 #endif
208
209
210 /* These variables are for insmod, since it seems that the rates
211 can only be set in setup_card. Rates should be a comma separated
212 (no spaces) list of rates (up to 8). */
213
214 static int rates[8];
215 static int basic_rate;
216 static char *ssids[3];
217
218 static int io[4];
219 static int irq[4];
220
221 static
222 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
223 0 means no limit. For old cards this was 4 */
224
225 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
226 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
227 the bap, needed on some older cards and buses. */
228 static int adhoc;
229
230 static int probe = 1;
231
232 static int proc_uid /* = 0 */;
233
234 static int proc_gid /* = 0 */;
235
236 static int airo_perm = 0555;
237
238 static int proc_perm = 0644;
239
240 MODULE_AUTHOR("Benjamin Reed");
241 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
242 cards. Direct support for ISA/PCI/MPI cards and support \
243 for PCMCIA when used with airo_cs.");
244 MODULE_LICENSE("Dual BSD/GPL");
245 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
246 module_param_array(io, int, NULL, 0);
247 module_param_array(irq, int, NULL, 0);
248 module_param(basic_rate, int, 0);
249 module_param_array(rates, int, NULL, 0);
250 module_param_array(ssids, charp, NULL, 0);
251 module_param(auto_wep, int, 0);
252 MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
253 the authentication options until an association is made. The value of \
254 auto_wep is number of the wep keys to check. A value of 2 will try using \
255 the key at index 0 and index 1.");
256 module_param(aux_bap, int, 0);
257 MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
258 than seems to work better for older cards with some older buses. Before \
259 switching it checks that the switch is needed.");
260 module_param(maxencrypt, int, 0);
261 MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
262 encryption. Units are in 512kbs. Zero (default) means there is no limit. \
263 Older cards used to be limited to 2mbs (4).");
264 module_param(adhoc, int, 0);
265 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
266 module_param(probe, int, 0);
267 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
268
269 module_param(proc_uid, int, 0);
270 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
271 module_param(proc_gid, int, 0);
272 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
273 module_param(airo_perm, int, 0);
274 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
275 module_param(proc_perm, int, 0);
276 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
277
278 /* This is a kind of sloppy hack to get this information to OUT4500 and
279 IN4500. I would be extremely interested in the situation where this
280 doesn't work though!!! */
281 static int do8bitIO = 0;
282
283 /* Return codes */
284 #define SUCCESS 0
285 #define ERROR -1
286 #define NO_PACKET -2
287
288 /* Commands */
289 #define NOP2 0x0000
290 #define MAC_ENABLE 0x0001
291 #define MAC_DISABLE 0x0002
292 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
293 #define CMD_SOFTRESET 0x0004
294 #define HOSTSLEEP 0x0005
295 #define CMD_MAGIC_PKT 0x0006
296 #define CMD_SETWAKEMASK 0x0007
297 #define CMD_READCFG 0x0008
298 #define CMD_SETMODE 0x0009
299 #define CMD_ALLOCATETX 0x000a
300 #define CMD_TRANSMIT 0x000b
301 #define CMD_DEALLOCATETX 0x000c
302 #define NOP 0x0010
303 #define CMD_WORKAROUND 0x0011
304 #define CMD_ALLOCATEAUX 0x0020
305 #define CMD_ACCESS 0x0021
306 #define CMD_PCIBAP 0x0022
307 #define CMD_PCIAUX 0x0023
308 #define CMD_ALLOCBUF 0x0028
309 #define CMD_GETTLV 0x0029
310 #define CMD_PUTTLV 0x002a
311 #define CMD_DELTLV 0x002b
312 #define CMD_FINDNEXTTLV 0x002c
313 #define CMD_PSPNODES 0x0030
314 #define CMD_SETCW 0x0031
315 #define CMD_SETPCF 0x0032
316 #define CMD_SETPHYREG 0x003e
317 #define CMD_TXTEST 0x003f
318 #define MAC_ENABLETX 0x0101
319 #define CMD_LISTBSS 0x0103
320 #define CMD_SAVECFG 0x0108
321 #define CMD_ENABLEAUX 0x0111
322 #define CMD_WRITERID 0x0121
323 #define CMD_USEPSPNODES 0x0130
324 #define MAC_ENABLERX 0x0201
325
326 /* Command errors */
327 #define ERROR_QUALIF 0x00
328 #define ERROR_ILLCMD 0x01
329 #define ERROR_ILLFMT 0x02
330 #define ERROR_INVFID 0x03
331 #define ERROR_INVRID 0x04
332 #define ERROR_LARGE 0x05
333 #define ERROR_NDISABL 0x06
334 #define ERROR_ALLOCBSY 0x07
335 #define ERROR_NORD 0x0B
336 #define ERROR_NOWR 0x0C
337 #define ERROR_INVFIDTX 0x0D
338 #define ERROR_TESTACT 0x0E
339 #define ERROR_TAGNFND 0x12
340 #define ERROR_DECODE 0x20
341 #define ERROR_DESCUNAV 0x21
342 #define ERROR_BADLEN 0x22
343 #define ERROR_MODE 0x80
344 #define ERROR_HOP 0x81
345 #define ERROR_BINTER 0x82
346 #define ERROR_RXMODE 0x83
347 #define ERROR_MACADDR 0x84
348 #define ERROR_RATES 0x85
349 #define ERROR_ORDER 0x86
350 #define ERROR_SCAN 0x87
351 #define ERROR_AUTH 0x88
352 #define ERROR_PSMODE 0x89
353 #define ERROR_RTYPE 0x8A
354 #define ERROR_DIVER 0x8B
355 #define ERROR_SSID 0x8C
356 #define ERROR_APLIST 0x8D
357 #define ERROR_AUTOWAKE 0x8E
358 #define ERROR_LEAP 0x8F
359
360 /* Registers */
361 #define COMMAND 0x00
362 #define PARAM0 0x02
363 #define PARAM1 0x04
364 #define PARAM2 0x06
365 #define STATUS 0x08
366 #define RESP0 0x0a
367 #define RESP1 0x0c
368 #define RESP2 0x0e
369 #define LINKSTAT 0x10
370 #define SELECT0 0x18
371 #define OFFSET0 0x1c
372 #define RXFID 0x20
373 #define TXALLOCFID 0x22
374 #define TXCOMPLFID 0x24
375 #define DATA0 0x36
376 #define EVSTAT 0x30
377 #define EVINTEN 0x32
378 #define EVACK 0x34
379 #define SWS0 0x28
380 #define SWS1 0x2a
381 #define SWS2 0x2c
382 #define SWS3 0x2e
383 #define AUXPAGE 0x3A
384 #define AUXOFF 0x3C
385 #define AUXDATA 0x3E
386
387 #define FID_TX 1
388 #define FID_RX 2
389 /* Offset into aux memory for descriptors */
390 #define AUX_OFFSET 0x800
391 /* Size of allocated packets */
392 #define PKTSIZE 1840
393 #define RIDSIZE 2048
394 /* Size of the transmit queue */
395 #define MAXTXQ 64
396
397 /* BAP selectors */
398 #define BAP0 0 // Used for receiving packets
399 #define BAP1 2 // Used for xmiting packets and working with RIDS
400
401 /* Flags */
402 #define COMMAND_BUSY 0x8000
403
404 #define BAP_BUSY 0x8000
405 #define BAP_ERR 0x4000
406 #define BAP_DONE 0x2000
407
408 #define PROMISC 0xffff
409 #define NOPROMISC 0x0000
410
411 #define EV_CMD 0x10
412 #define EV_CLEARCOMMANDBUSY 0x4000
413 #define EV_RX 0x01
414 #define EV_TX 0x02
415 #define EV_TXEXC 0x04
416 #define EV_ALLOC 0x08
417 #define EV_LINK 0x80
418 #define EV_AWAKE 0x100
419 #define EV_TXCPY 0x400
420 #define EV_UNKNOWN 0x800
421 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
422 #define EV_AWAKEN 0x2000
423 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
424
425 #ifdef CHECK_UNKNOWN_INTS
426 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
427 #else
428 #define IGNORE_INTS (~STATUS_INTS)
429 #endif
430
431 /* RID TYPES */
432 #define RID_RW 0x20
433
434 /* The RIDs */
435 #define RID_CAPABILITIES 0xFF00
436 #define RID_APINFO 0xFF01
437 #define RID_RADIOINFO 0xFF02
438 #define RID_UNKNOWN3 0xFF03
439 #define RID_RSSI 0xFF04
440 #define RID_CONFIG 0xFF10
441 #define RID_SSID 0xFF11
442 #define RID_APLIST 0xFF12
443 #define RID_DRVNAME 0xFF13
444 #define RID_ETHERENCAP 0xFF14
445 #define RID_WEP_TEMP 0xFF15
446 #define RID_WEP_PERM 0xFF16
447 #define RID_MODULATION 0xFF17
448 #define RID_OPTIONS 0xFF18
449 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
450 #define RID_FACTORYCONFIG 0xFF21
451 #define RID_UNKNOWN22 0xFF22
452 #define RID_LEAPUSERNAME 0xFF23
453 #define RID_LEAPPASSWORD 0xFF24
454 #define RID_STATUS 0xFF50
455 #define RID_BEACON_HST 0xFF51
456 #define RID_BUSY_HST 0xFF52
457 #define RID_RETRIES_HST 0xFF53
458 #define RID_UNKNOWN54 0xFF54
459 #define RID_UNKNOWN55 0xFF55
460 #define RID_UNKNOWN56 0xFF56
461 #define RID_MIC 0xFF57
462 #define RID_STATS16 0xFF60
463 #define RID_STATS16DELTA 0xFF61
464 #define RID_STATS16DELTACLEAR 0xFF62
465 #define RID_STATS 0xFF68
466 #define RID_STATSDELTA 0xFF69
467 #define RID_STATSDELTACLEAR 0xFF6A
468 #define RID_ECHOTEST_RID 0xFF70
469 #define RID_ECHOTEST_RESULTS 0xFF71
470 #define RID_BSSLISTFIRST 0xFF72
471 #define RID_BSSLISTNEXT 0xFF73
472 #define RID_WPA_BSSLISTFIRST 0xFF74
473 #define RID_WPA_BSSLISTNEXT 0xFF75
474
475 typedef struct {
476 u16 cmd;
477 u16 parm0;
478 u16 parm1;
479 u16 parm2;
480 } Cmd;
481
482 typedef struct {
483 u16 status;
484 u16 rsp0;
485 u16 rsp1;
486 u16 rsp2;
487 } Resp;
488
489 /*
490 * Rids and endian-ness: The Rids will always be in cpu endian, since
491 * this all the patches from the big-endian guys end up doing that.
492 * so all rid access should use the read/writeXXXRid routines.
493 */
494
495 /* This is redundant for x86 archs, but it seems necessary for ARM */
496 #pragma pack(1)
497
498 /* This structure came from an email sent to me from an engineer at
499 aironet for inclusion into this driver */
500 typedef struct {
501 u16 len;
502 u16 kindex;
503 u8 mac[ETH_ALEN];
504 u16 klen;
505 u8 key[16];
506 } WepKeyRid;
507
508 /* These structures are from the Aironet's PC4500 Developers Manual */
509 typedef struct {
510 u16 len;
511 u8 ssid[32];
512 } Ssid;
513
514 typedef struct {
515 u16 len;
516 Ssid ssids[3];
517 } SsidRid;
518
519 typedef struct {
520 u16 len;
521 u16 modulation;
522 #define MOD_DEFAULT 0
523 #define MOD_CCK 1
524 #define MOD_MOK 2
525 } ModulationRid;
526
527 typedef struct {
528 u16 len; /* sizeof(ConfigRid) */
529 u16 opmode; /* operating mode */
530 #define MODE_STA_IBSS 0
531 #define MODE_STA_ESS 1
532 #define MODE_AP 2
533 #define MODE_AP_RPTR 3
534 #define MODE_ETHERNET_HOST (0<<8) /* rx payloads converted */
535 #define MODE_LLC_HOST (1<<8) /* rx payloads left as is */
536 #define MODE_AIRONET_EXTEND (1<<9) /* enable Aironet extenstions */
537 #define MODE_AP_INTERFACE (1<<10) /* enable ap interface extensions */
538 #define MODE_ANTENNA_ALIGN (1<<11) /* enable antenna alignment */
539 #define MODE_ETHER_LLC (1<<12) /* enable ethernet LLC */
540 #define MODE_LEAF_NODE (1<<13) /* enable leaf node bridge */
541 #define MODE_CF_POLLABLE (1<<14) /* enable CF pollable */
542 #define MODE_MIC (1<<15) /* enable MIC */
543 u16 rmode; /* receive mode */
544 #define RXMODE_BC_MC_ADDR 0
545 #define RXMODE_BC_ADDR 1 /* ignore multicasts */
546 #define RXMODE_ADDR 2 /* ignore multicast and broadcast */
547 #define RXMODE_RFMON 3 /* wireless monitor mode */
548 #define RXMODE_RFMON_ANYBSS 4
549 #define RXMODE_LANMON 5 /* lan style monitor -- data packets only */
550 #define RXMODE_DISABLE_802_3_HEADER (1<<8) /* disables 802.3 header on rx */
551 #define RXMODE_NORMALIZED_RSSI (1<<9) /* return normalized RSSI */
552 u16 fragThresh;
553 u16 rtsThres;
554 u8 macAddr[ETH_ALEN];
555 u8 rates[8];
556 u16 shortRetryLimit;
557 u16 longRetryLimit;
558 u16 txLifetime; /* in kusec */
559 u16 rxLifetime; /* in kusec */
560 u16 stationary;
561 u16 ordering;
562 u16 u16deviceType; /* for overriding device type */
563 u16 cfpRate;
564 u16 cfpDuration;
565 u16 _reserved1[3];
566 /*---------- Scanning/Associating ----------*/
567 u16 scanMode;
568 #define SCANMODE_ACTIVE 0
569 #define SCANMODE_PASSIVE 1
570 #define SCANMODE_AIROSCAN 2
571 u16 probeDelay; /* in kusec */
572 u16 probeEnergyTimeout; /* in kusec */
573 u16 probeResponseTimeout;
574 u16 beaconListenTimeout;
575 u16 joinNetTimeout;
576 u16 authTimeout;
577 u16 authType;
578 #define AUTH_OPEN 0x1
579 #define AUTH_ENCRYPT 0x101
580 #define AUTH_SHAREDKEY 0x102
581 #define AUTH_ALLOW_UNENCRYPTED 0x200
582 u16 associationTimeout;
583 u16 specifiedApTimeout;
584 u16 offlineScanInterval;
585 u16 offlineScanDuration;
586 u16 linkLossDelay;
587 u16 maxBeaconLostTime;
588 u16 refreshInterval;
589 #define DISABLE_REFRESH 0xFFFF
590 u16 _reserved1a[1];
591 /*---------- Power save operation ----------*/
592 u16 powerSaveMode;
593 #define POWERSAVE_CAM 0
594 #define POWERSAVE_PSP 1
595 #define POWERSAVE_PSPCAM 2
596 u16 sleepForDtims;
597 u16 listenInterval;
598 u16 fastListenInterval;
599 u16 listenDecay;
600 u16 fastListenDelay;
601 u16 _reserved2[2];
602 /*---------- Ap/Ibss config items ----------*/
603 u16 beaconPeriod;
604 u16 atimDuration;
605 u16 hopPeriod;
606 u16 channelSet;
607 u16 channel;
608 u16 dtimPeriod;
609 u16 bridgeDistance;
610 u16 radioID;
611 /*---------- Radio configuration ----------*/
612 u16 radioType;
613 #define RADIOTYPE_DEFAULT 0
614 #define RADIOTYPE_802_11 1
615 #define RADIOTYPE_LEGACY 2
616 u8 rxDiversity;
617 u8 txDiversity;
618 u16 txPower;
619 #define TXPOWER_DEFAULT 0
620 u16 rssiThreshold;
621 #define RSSI_DEFAULT 0
622 u16 modulation;
623 #define PREAMBLE_AUTO 0
624 #define PREAMBLE_LONG 1
625 #define PREAMBLE_SHORT 2
626 u16 preamble;
627 u16 homeProduct;
628 u16 radioSpecific;
629 /*---------- Aironet Extensions ----------*/
630 u8 nodeName[16];
631 u16 arlThreshold;
632 u16 arlDecay;
633 u16 arlDelay;
634 u16 _reserved4[1];
635 /*---------- Aironet Extensions ----------*/
636 u8 magicAction;
637 #define MAGIC_ACTION_STSCHG 1
638 #define MAGIC_ACTION_RESUME 2
639 #define MAGIC_IGNORE_MCAST (1<<8)
640 #define MAGIC_IGNORE_BCAST (1<<9)
641 #define MAGIC_SWITCH_TO_PSP (0<<10)
642 #define MAGIC_STAY_IN_CAM (1<<10)
643 u8 magicControl;
644 u16 autoWake;
645 } ConfigRid;
646
647 typedef struct {
648 u16 len;
649 u8 mac[ETH_ALEN];
650 u16 mode;
651 u16 errorCode;
652 u16 sigQuality;
653 u16 SSIDlen;
654 char SSID[32];
655 char apName[16];
656 u8 bssid[4][ETH_ALEN];
657 u16 beaconPeriod;
658 u16 dimPeriod;
659 u16 atimDuration;
660 u16 hopPeriod;
661 u16 channelSet;
662 u16 channel;
663 u16 hopsToBackbone;
664 u16 apTotalLoad;
665 u16 generatedLoad;
666 u16 accumulatedArl;
667 u16 signalQuality;
668 u16 currentXmitRate;
669 u16 apDevExtensions;
670 u16 normalizedSignalStrength;
671 u16 shortPreamble;
672 u8 apIP[4];
673 u8 noisePercent; /* Noise percent in last second */
674 u8 noisedBm; /* Noise dBm in last second */
675 u8 noiseAvePercent; /* Noise percent in last minute */
676 u8 noiseAvedBm; /* Noise dBm in last minute */
677 u8 noiseMaxPercent; /* Highest noise percent in last minute */
678 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
679 u16 load;
680 u8 carrier[4];
681 u16 assocStatus;
682 #define STAT_NOPACKETS 0
683 #define STAT_NOCARRIERSET 10
684 #define STAT_GOTCARRIERSET 11
685 #define STAT_WRONGSSID 20
686 #define STAT_BADCHANNEL 25
687 #define STAT_BADBITRATES 30
688 #define STAT_BADPRIVACY 35
689 #define STAT_APFOUND 40
690 #define STAT_APREJECTED 50
691 #define STAT_AUTHENTICATING 60
692 #define STAT_DEAUTHENTICATED 61
693 #define STAT_AUTHTIMEOUT 62
694 #define STAT_ASSOCIATING 70
695 #define STAT_DEASSOCIATED 71
696 #define STAT_ASSOCTIMEOUT 72
697 #define STAT_NOTAIROAP 73
698 #define STAT_ASSOCIATED 80
699 #define STAT_LEAPING 90
700 #define STAT_LEAPFAILED 91
701 #define STAT_LEAPTIMEDOUT 92
702 #define STAT_LEAPCOMPLETE 93
703 } StatusRid;
704
705 typedef struct {
706 u16 len;
707 u16 spacer;
708 u32 vals[100];
709 } StatsRid;
710
711
712 typedef struct {
713 u16 len;
714 u8 ap[4][ETH_ALEN];
715 } APListRid;
716
717 typedef struct {
718 u16 len;
719 char oui[3];
720 char zero;
721 u16 prodNum;
722 char manName[32];
723 char prodName[16];
724 char prodVer[8];
725 char factoryAddr[ETH_ALEN];
726 char aironetAddr[ETH_ALEN];
727 u16 radioType;
728 u16 country;
729 char callid[ETH_ALEN];
730 char supportedRates[8];
731 char rxDiversity;
732 char txDiversity;
733 u16 txPowerLevels[8];
734 u16 hardVer;
735 u16 hardCap;
736 u16 tempRange;
737 u16 softVer;
738 u16 softSubVer;
739 u16 interfaceVer;
740 u16 softCap;
741 u16 bootBlockVer;
742 u16 requiredHard;
743 u16 extSoftCap;
744 } CapabilityRid;
745
746
747 /* Only present on firmware >= 5.30.17 */
748 typedef struct {
749 u16 unknown[4];
750 u8 fixed[12]; /* WLAN management frame */
751 u8 iep[624];
752 } BSSListRidExtra;
753
754 typedef struct {
755 u16 len;
756 u16 index; /* First is 0 and 0xffff means end of list */
757 #define RADIO_FH 1 /* Frequency hopping radio type */
758 #define RADIO_DS 2 /* Direct sequence radio type */
759 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
760 u16 radioType;
761 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
762 u8 zero;
763 u8 ssidLen;
764 u8 ssid[32];
765 u16 dBm;
766 #define CAP_ESS (1<<0)
767 #define CAP_IBSS (1<<1)
768 #define CAP_PRIVACY (1<<4)
769 #define CAP_SHORTHDR (1<<5)
770 u16 cap;
771 u16 beaconInterval;
772 u8 rates[8]; /* Same as rates for config rid */
773 struct { /* For frequency hopping only */
774 u16 dwell;
775 u8 hopSet;
776 u8 hopPattern;
777 u8 hopIndex;
778 u8 fill;
779 } fh;
780 u16 dsChannel;
781 u16 atimWindow;
782
783 /* Only present on firmware >= 5.30.17 */
784 BSSListRidExtra extra;
785 } BSSListRid;
786
787 typedef struct {
788 BSSListRid bss;
789 struct list_head list;
790 } BSSListElement;
791
792 typedef struct {
793 u8 rssipct;
794 u8 rssidBm;
795 } tdsRssiEntry;
796
797 typedef struct {
798 u16 len;
799 tdsRssiEntry x[256];
800 } tdsRssiRid;
801
802 typedef struct {
803 u16 len;
804 u16 state;
805 u16 multicastValid;
806 u8 multicast[16];
807 u16 unicastValid;
808 u8 unicast[16];
809 } MICRid;
810
811 typedef struct {
812 u16 typelen;
813
814 union {
815 u8 snap[8];
816 struct {
817 u8 dsap;
818 u8 ssap;
819 u8 control;
820 u8 orgcode[3];
821 u8 fieldtype[2];
822 } llc;
823 } u;
824 u32 mic;
825 u32 seq;
826 } MICBuffer;
827
828 typedef struct {
829 u8 da[ETH_ALEN];
830 u8 sa[ETH_ALEN];
831 } etherHead;
832
833 #pragma pack()
834
835 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
836 #define TXCTL_TXEX (1<<2) /* report if tx fails */
837 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
838 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
839 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
840 #define TXCTL_LLC (1<<4) /* payload is llc */
841 #define TXCTL_RELEASE (0<<5) /* release after completion */
842 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
843
844 #define BUSY_FID 0x10000
845
846 #ifdef CISCO_EXT
847 #define AIROMAGIC 0xa55a
848 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
849 #ifdef SIOCIWFIRSTPRIV
850 #ifdef SIOCDEVPRIVATE
851 #define AIROOLDIOCTL SIOCDEVPRIVATE
852 #define AIROOLDIDIFC AIROOLDIOCTL + 1
853 #endif /* SIOCDEVPRIVATE */
854 #else /* SIOCIWFIRSTPRIV */
855 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
856 #endif /* SIOCIWFIRSTPRIV */
857 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
858 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
859 * only and don't return the modified struct ifreq to the application which
860 * is usually a problem. - Jean II */
861 #define AIROIOCTL SIOCIWFIRSTPRIV
862 #define AIROIDIFC AIROIOCTL + 1
863
864 /* Ioctl constants to be used in airo_ioctl.command */
865
866 #define AIROGCAP 0 // Capability rid
867 #define AIROGCFG 1 // USED A LOT
868 #define AIROGSLIST 2 // System ID list
869 #define AIROGVLIST 3 // List of specified AP's
870 #define AIROGDRVNAM 4 // NOTUSED
871 #define AIROGEHTENC 5 // NOTUSED
872 #define AIROGWEPKTMP 6
873 #define AIROGWEPKNV 7
874 #define AIROGSTAT 8
875 #define AIROGSTATSC32 9
876 #define AIROGSTATSD32 10
877 #define AIROGMICRID 11
878 #define AIROGMICSTATS 12
879 #define AIROGFLAGS 13
880 #define AIROGID 14
881 #define AIRORRID 15
882 #define AIRORSWVERSION 17
883
884 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
885
886 #define AIROPCAP AIROGSTATSD32 + 40
887 #define AIROPVLIST AIROPCAP + 1
888 #define AIROPSLIST AIROPVLIST + 1
889 #define AIROPCFG AIROPSLIST + 1
890 #define AIROPSIDS AIROPCFG + 1
891 #define AIROPAPLIST AIROPSIDS + 1
892 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
893 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
894 #define AIROPSTCLR AIROPMACOFF + 1
895 #define AIROPWEPKEY AIROPSTCLR + 1
896 #define AIROPWEPKEYNV AIROPWEPKEY + 1
897 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
898 #define AIROPLEAPUSR AIROPLEAPPWD + 1
899
900 /* Flash codes */
901
902 #define AIROFLSHRST AIROPWEPKEYNV + 40
903 #define AIROFLSHGCHR AIROFLSHRST + 1
904 #define AIROFLSHSTFL AIROFLSHGCHR + 1
905 #define AIROFLSHPCHR AIROFLSHSTFL + 1
906 #define AIROFLPUTBUF AIROFLSHPCHR + 1
907 #define AIRORESTART AIROFLPUTBUF + 1
908
909 #define FLASHSIZE 32768
910 #define AUXMEMSIZE (256 * 1024)
911
912 typedef struct aironet_ioctl {
913 unsigned short command; // What to do
914 unsigned short len; // Len of data
915 unsigned short ridnum; // rid number
916 unsigned char __user *data; // d-data
917 } aironet_ioctl;
918
919 static char swversion[] = "2.1";
920 #endif /* CISCO_EXT */
921
922 #define NUM_MODULES 2
923 #define MIC_MSGLEN_MAX 2400
924 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
925 #define AIRO_DEF_MTU 2312
926
927 typedef struct {
928 u32 size; // size
929 u8 enabled; // MIC enabled or not
930 u32 rxSuccess; // successful packets received
931 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
932 u32 rxNotMICed; // pkts dropped due to not being MIC'd
933 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
934 u32 rxWrongSequence; // pkts dropped due to sequence number violation
935 u32 reserve[32];
936 } mic_statistics;
937
938 typedef struct {
939 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
940 u64 accum; // accumulated mic, reduced to u32 in final()
941 int position; // current position (byte offset) in message
942 union {
943 u8 d8[4];
944 u32 d32;
945 } part; // saves partial message word across update() calls
946 } emmh32_context;
947
948 typedef struct {
949 emmh32_context seed; // Context - the seed
950 u32 rx; // Received sequence number
951 u32 tx; // Tx sequence number
952 u32 window; // Start of window
953 u8 valid; // Flag to say if context is valid or not
954 u8 key[16];
955 } miccntx;
956
957 typedef struct {
958 miccntx mCtx; // Multicast context
959 miccntx uCtx; // Unicast context
960 } mic_module;
961
962 typedef struct {
963 unsigned int rid: 16;
964 unsigned int len: 15;
965 unsigned int valid: 1;
966 dma_addr_t host_addr;
967 } Rid;
968
969 typedef struct {
970 unsigned int offset: 15;
971 unsigned int eoc: 1;
972 unsigned int len: 15;
973 unsigned int valid: 1;
974 dma_addr_t host_addr;
975 } TxFid;
976
977 typedef struct {
978 unsigned int ctl: 15;
979 unsigned int rdy: 1;
980 unsigned int len: 15;
981 unsigned int valid: 1;
982 dma_addr_t host_addr;
983 } RxFid;
984
985 /*
986 * Host receive descriptor
987 */
988 typedef struct {
989 unsigned char __iomem *card_ram_off; /* offset into card memory of the
990 desc */
991 RxFid rx_desc; /* card receive descriptor */
992 char *virtual_host_addr; /* virtual address of host receive
993 buffer */
994 int pending;
995 } HostRxDesc;
996
997 /*
998 * Host transmit descriptor
999 */
1000 typedef struct {
1001 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1002 desc */
1003 TxFid tx_desc; /* card transmit descriptor */
1004 char *virtual_host_addr; /* virtual address of host receive
1005 buffer */
1006 int pending;
1007 } HostTxDesc;
1008
1009 /*
1010 * Host RID descriptor
1011 */
1012 typedef struct {
1013 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1014 descriptor */
1015 Rid rid_desc; /* card RID descriptor */
1016 char *virtual_host_addr; /* virtual address of host receive
1017 buffer */
1018 } HostRidDesc;
1019
1020 typedef struct {
1021 u16 sw0;
1022 u16 sw1;
1023 u16 status;
1024 u16 len;
1025 #define HOST_SET (1 << 0)
1026 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1027 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1028 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1029 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1030 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1031 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1032 #define HOST_RTS (1 << 9) /* Force RTS use */
1033 #define HOST_SHORT (1 << 10) /* Do short preamble */
1034 u16 ctl;
1035 u16 aid;
1036 u16 retries;
1037 u16 fill;
1038 } TxCtlHdr;
1039
1040 typedef struct {
1041 u16 ctl;
1042 u16 duration;
1043 char addr1[6];
1044 char addr2[6];
1045 char addr3[6];
1046 u16 seq;
1047 char addr4[6];
1048 } WifiHdr;
1049
1050
1051 typedef struct {
1052 TxCtlHdr ctlhdr;
1053 u16 fill1;
1054 u16 fill2;
1055 WifiHdr wifihdr;
1056 u16 gaplen;
1057 u16 status;
1058 } WifiCtlHdr;
1059
1060 static WifiCtlHdr wifictlhdr8023 = {
1061 .ctlhdr = {
1062 .ctl = HOST_DONT_RLSE,
1063 }
1064 };
1065
1066 // Frequency list (map channels to frequencies)
1067 static const long frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1068 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
1069
1070 // A few details needed for WEP (Wireless Equivalent Privacy)
1071 #define MAX_KEY_SIZE 13 // 128 (?) bits
1072 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1073 typedef struct wep_key_t {
1074 u16 len;
1075 u8 key[16]; /* 40-bit and 104-bit keys */
1076 } wep_key_t;
1077
1078 /* Backward compatibility */
1079 #ifndef IW_ENCODE_NOKEY
1080 #define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1081 #define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1082 #endif /* IW_ENCODE_NOKEY */
1083
1084 /* List of Wireless Handlers (new API) */
1085 static const struct iw_handler_def airo_handler_def;
1086
1087 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1088
1089 struct airo_info;
1090
1091 static int get_dec_u16( char *buffer, int *start, int limit );
1092 static void OUT4500( struct airo_info *, u16 register, u16 value );
1093 static unsigned short IN4500( struct airo_info *, u16 register );
1094 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1095 static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock );
1096 static void disable_MAC(struct airo_info *ai, int lock);
1097 static void enable_interrupts(struct airo_info*);
1098 static void disable_interrupts(struct airo_info*);
1099 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1100 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1101 static int aux_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1102 int whichbap);
1103 static int fast_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1104 int whichbap);
1105 static int bap_write(struct airo_info*, const u16 *pu16Src, int bytelen,
1106 int whichbap);
1107 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1108 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1109 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1110 *pBuf, int len, int lock);
1111 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1112 int len, int dummy );
1113 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1114 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1115 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1116
1117 static int mpi_send_packet (struct net_device *dev);
1118 static void mpi_unmap_card(struct pci_dev *pci);
1119 static void mpi_receive_802_3(struct airo_info *ai);
1120 static void mpi_receive_802_11(struct airo_info *ai);
1121 static int waitbusy (struct airo_info *ai);
1122
1123 static irqreturn_t airo_interrupt( int irq, void* dev_id);
1124 static int airo_thread(void *data);
1125 static void timer_func( struct net_device *dev );
1126 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1127 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1128 static void airo_read_wireless_stats (struct airo_info *local);
1129 #ifdef CISCO_EXT
1130 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1131 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1132 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1133 #endif /* CISCO_EXT */
1134 static void micinit(struct airo_info *ai);
1135 static int micsetup(struct airo_info *ai);
1136 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1137 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1138
1139 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1140 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1141
1142 static void airo_networks_free(struct airo_info *ai);
1143
1144 struct airo_info {
1145 struct net_device_stats stats;
1146 struct net_device *dev;
1147 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1148 use the high bit to mark whether it is in use. */
1149 #define MAX_FIDS 6
1150 #define MPI_MAX_FIDS 1
1151 int fids[MAX_FIDS];
1152 ConfigRid config;
1153 char keyindex; // Used with auto wep
1154 char defindex; // Used with auto wep
1155 struct proc_dir_entry *proc_entry;
1156 spinlock_t aux_lock;
1157 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1158 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1159 #define FLAG_RADIO_MASK 0x03
1160 #define FLAG_ENABLED 2
1161 #define FLAG_ADHOC 3 /* Needed by MIC */
1162 #define FLAG_MIC_CAPABLE 4
1163 #define FLAG_UPDATE_MULTI 5
1164 #define FLAG_UPDATE_UNI 6
1165 #define FLAG_802_11 7
1166 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1167 #define FLAG_PENDING_XMIT 9
1168 #define FLAG_PENDING_XMIT11 10
1169 #define FLAG_MPI 11
1170 #define FLAG_REGISTERED 12
1171 #define FLAG_COMMIT 13
1172 #define FLAG_RESET 14
1173 #define FLAG_FLASHING 15
1174 #define FLAG_WPA_CAPABLE 16
1175 unsigned long flags;
1176 #define JOB_DIE 0
1177 #define JOB_XMIT 1
1178 #define JOB_XMIT11 2
1179 #define JOB_STATS 3
1180 #define JOB_PROMISC 4
1181 #define JOB_MIC 5
1182 #define JOB_EVENT 6
1183 #define JOB_AUTOWEP 7
1184 #define JOB_WSTATS 8
1185 #define JOB_SCAN_RESULTS 9
1186 unsigned long jobs;
1187 int (*bap_read)(struct airo_info*, u16 *pu16Dst, int bytelen,
1188 int whichbap);
1189 unsigned short *flash;
1190 tdsRssiEntry *rssi;
1191 struct task_struct *list_bss_task;
1192 struct task_struct *airo_thread_task;
1193 struct semaphore sem;
1194 wait_queue_head_t thr_wait;
1195 unsigned long expires;
1196 struct {
1197 struct sk_buff *skb;
1198 int fid;
1199 } xmit, xmit11;
1200 struct net_device *wifidev;
1201 struct iw_statistics wstats; // wireless stats
1202 unsigned long scan_timeout; /* Time scan should be read */
1203 struct iw_spy_data spy_data;
1204 struct iw_public_data wireless_data;
1205 /* MIC stuff */
1206 struct crypto_cipher *tfm;
1207 mic_module mod[2];
1208 mic_statistics micstats;
1209 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1210 HostTxDesc txfids[MPI_MAX_FIDS];
1211 HostRidDesc config_desc;
1212 unsigned long ridbus; // phys addr of config_desc
1213 struct sk_buff_head txq;// tx queue used by mpi350 code
1214 struct pci_dev *pci;
1215 unsigned char __iomem *pcimem;
1216 unsigned char __iomem *pciaux;
1217 unsigned char *shared;
1218 dma_addr_t shared_dma;
1219 pm_message_t power;
1220 SsidRid *SSID;
1221 APListRid *APList;
1222 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1223 char proc_name[IFNAMSIZ];
1224
1225 /* WPA-related stuff */
1226 unsigned int bssListFirst;
1227 unsigned int bssListNext;
1228 unsigned int bssListRidLen;
1229
1230 struct list_head network_list;
1231 struct list_head network_free_list;
1232 BSSListElement *networks;
1233 };
1234
1235 static inline int bap_read(struct airo_info *ai, u16 *pu16Dst, int bytelen,
1236 int whichbap) {
1237 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1238 }
1239
1240 static int setup_proc_entry( struct net_device *dev,
1241 struct airo_info *apriv );
1242 static int takedown_proc_entry( struct net_device *dev,
1243 struct airo_info *apriv );
1244
1245 static int cmdreset(struct airo_info *ai);
1246 static int setflashmode (struct airo_info *ai);
1247 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1248 static int flashputbuf(struct airo_info *ai);
1249 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1250
1251 #define airo_print(type, name, fmt, args...) \
1252 { printk(type "airo(%s): " fmt "\n", name, ##args); }
1253
1254 #define airo_print_info(name, fmt, args...) \
1255 airo_print(KERN_INFO, name, fmt, ##args)
1256
1257 #define airo_print_dbg(name, fmt, args...) \
1258 airo_print(KERN_DEBUG, name, fmt, ##args)
1259
1260 #define airo_print_warn(name, fmt, args...) \
1261 airo_print(KERN_WARNING, name, fmt, ##args)
1262
1263 #define airo_print_err(name, fmt, args...) \
1264 airo_print(KERN_ERR, name, fmt, ##args)
1265
1266
1267 /***********************************************************************
1268 * MIC ROUTINES *
1269 ***********************************************************************
1270 */
1271
1272 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1273 static void MoveWindow(miccntx *context, u32 micSeq);
1274 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1275 struct crypto_cipher *tfm);
1276 static void emmh32_init(emmh32_context *context);
1277 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1278 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1279 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1280
1281 /* micinit - Initialize mic seed */
1282
1283 static void micinit(struct airo_info *ai)
1284 {
1285 MICRid mic_rid;
1286
1287 clear_bit(JOB_MIC, &ai->jobs);
1288 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1289 up(&ai->sem);
1290
1291 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1292
1293 if (ai->micstats.enabled) {
1294 /* Key must be valid and different */
1295 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1296 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1297 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1298 /* Age current mic Context */
1299 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1300 /* Initialize new context */
1301 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1302 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1303 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1304 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1305 ai->mod[0].mCtx.valid = 1; //Key is now valid
1306
1307 /* Give key to mic seed */
1308 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1309 }
1310
1311 /* Key must be valid and different */
1312 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1313 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1314 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1315 /* Age current mic Context */
1316 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1317 /* Initialize new context */
1318 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1319
1320 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1321 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1322 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1323 ai->mod[0].uCtx.valid = 1; //Key is now valid
1324
1325 //Give key to mic seed
1326 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1327 }
1328 } else {
1329 /* So next time we have a valid key and mic is enabled, we will update
1330 * the sequence number if the key is the same as before.
1331 */
1332 ai->mod[0].uCtx.valid = 0;
1333 ai->mod[0].mCtx.valid = 0;
1334 }
1335 }
1336
1337 /* micsetup - Get ready for business */
1338
1339 static int micsetup(struct airo_info *ai) {
1340 int i;
1341
1342 if (ai->tfm == NULL)
1343 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1344
1345 if (IS_ERR(ai->tfm)) {
1346 airo_print_err(ai->dev->name, "failed to load transform for AES");
1347 ai->tfm = NULL;
1348 return ERROR;
1349 }
1350
1351 for (i=0; i < NUM_MODULES; i++) {
1352 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1353 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1354 }
1355 return SUCCESS;
1356 }
1357
1358 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1359
1360 /*===========================================================================
1361 * Description: Mic a packet
1362 *
1363 * Inputs: etherHead * pointer to an 802.3 frame
1364 *
1365 * Returns: BOOLEAN if successful, otherwise false.
1366 * PacketTxLen will be updated with the mic'd packets size.
1367 *
1368 * Caveats: It is assumed that the frame buffer will already
1369 * be big enough to hold the largets mic message possible.
1370 * (No memory allocation is done here).
1371 *
1372 * Author: sbraneky (10/15/01)
1373 * Merciless hacks by rwilcher (1/14/02)
1374 */
1375
1376 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1377 {
1378 miccntx *context;
1379
1380 // Determine correct context
1381 // If not adhoc, always use unicast key
1382
1383 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1384 context = &ai->mod[0].mCtx;
1385 else
1386 context = &ai->mod[0].uCtx;
1387
1388 if (!context->valid)
1389 return ERROR;
1390
1391 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1392
1393 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1394
1395 // Add Tx sequence
1396 mic->seq = htonl(context->tx);
1397 context->tx += 2;
1398
1399 emmh32_init(&context->seed); // Mic the packet
1400 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1401 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1402 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1403 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1404 emmh32_final(&context->seed, (u8*)&mic->mic);
1405
1406 /* New Type/length ?????????? */
1407 mic->typelen = 0; //Let NIC know it could be an oversized packet
1408 return SUCCESS;
1409 }
1410
1411 typedef enum {
1412 NONE,
1413 NOMIC,
1414 NOMICPLUMMED,
1415 SEQUENCE,
1416 INCORRECTMIC,
1417 } mic_error;
1418
1419 /*===========================================================================
1420 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1421 * (removes the MIC stuff) if packet is a valid packet.
1422 *
1423 * Inputs: etherHead pointer to the 802.3 packet
1424 *
1425 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1426 *
1427 * Author: sbraneky (10/15/01)
1428 * Merciless hacks by rwilcher (1/14/02)
1429 *---------------------------------------------------------------------------
1430 */
1431
1432 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1433 {
1434 int i;
1435 u32 micSEQ;
1436 miccntx *context;
1437 u8 digest[4];
1438 mic_error micError = NONE;
1439
1440 // Check if the packet is a Mic'd packet
1441
1442 if (!ai->micstats.enabled) {
1443 //No Mic set or Mic OFF but we received a MIC'd packet.
1444 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1445 ai->micstats.rxMICPlummed++;
1446 return ERROR;
1447 }
1448 return SUCCESS;
1449 }
1450
1451 if (ntohs(mic->typelen) == 0x888E)
1452 return SUCCESS;
1453
1454 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1455 // Mic enabled but packet isn't Mic'd
1456 ai->micstats.rxMICPlummed++;
1457 return ERROR;
1458 }
1459
1460 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1461
1462 //At this point we a have a mic'd packet and mic is enabled
1463 //Now do the mic error checking.
1464
1465 //Receive seq must be odd
1466 if ( (micSEQ & 1) == 0 ) {
1467 ai->micstats.rxWrongSequence++;
1468 return ERROR;
1469 }
1470
1471 for (i = 0; i < NUM_MODULES; i++) {
1472 int mcast = eth->da[0] & 1;
1473 //Determine proper context
1474 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1475
1476 //Make sure context is valid
1477 if (!context->valid) {
1478 if (i == 0)
1479 micError = NOMICPLUMMED;
1480 continue;
1481 }
1482 //DeMic it
1483
1484 if (!mic->typelen)
1485 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1486
1487 emmh32_init(&context->seed);
1488 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1489 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1490 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1491 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1492 //Calculate MIC
1493 emmh32_final(&context->seed, digest);
1494
1495 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1496 //Invalid Mic
1497 if (i == 0)
1498 micError = INCORRECTMIC;
1499 continue;
1500 }
1501
1502 //Check Sequence number if mics pass
1503 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1504 ai->micstats.rxSuccess++;
1505 return SUCCESS;
1506 }
1507 if (i == 0)
1508 micError = SEQUENCE;
1509 }
1510
1511 // Update statistics
1512 switch (micError) {
1513 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1514 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1515 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1516 case NONE: break;
1517 case NOMIC: break;
1518 }
1519 return ERROR;
1520 }
1521
1522 /*===========================================================================
1523 * Description: Checks the Rx Seq number to make sure it is valid
1524 * and hasn't already been received
1525 *
1526 * Inputs: miccntx - mic context to check seq against
1527 * micSeq - the Mic seq number
1528 *
1529 * Returns: TRUE if valid otherwise FALSE.
1530 *
1531 * Author: sbraneky (10/15/01)
1532 * Merciless hacks by rwilcher (1/14/02)
1533 *---------------------------------------------------------------------------
1534 */
1535
1536 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1537 {
1538 u32 seq,index;
1539
1540 //Allow for the ap being rebooted - if it is then use the next
1541 //sequence number of the current sequence number - might go backwards
1542
1543 if (mcast) {
1544 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1545 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1546 context->window = (micSeq > 33) ? micSeq : 33;
1547 context->rx = 0; // Reset rx
1548 }
1549 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1550 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1551 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1552 context->rx = 0; // Reset rx
1553 }
1554
1555 //Make sequence number relative to START of window
1556 seq = micSeq - (context->window - 33);
1557
1558 //Too old of a SEQ number to check.
1559 if ((s32)seq < 0)
1560 return ERROR;
1561
1562 if ( seq > 64 ) {
1563 //Window is infinite forward
1564 MoveWindow(context,micSeq);
1565 return SUCCESS;
1566 }
1567
1568 // We are in the window. Now check the context rx bit to see if it was already sent
1569 seq >>= 1; //divide by 2 because we only have odd numbers
1570 index = 1 << seq; //Get an index number
1571
1572 if (!(context->rx & index)) {
1573 //micSEQ falls inside the window.
1574 //Add seqence number to the list of received numbers.
1575 context->rx |= index;
1576
1577 MoveWindow(context,micSeq);
1578
1579 return SUCCESS;
1580 }
1581 return ERROR;
1582 }
1583
1584 static void MoveWindow(miccntx *context, u32 micSeq)
1585 {
1586 u32 shift;
1587
1588 //Move window if seq greater than the middle of the window
1589 if (micSeq > context->window) {
1590 shift = (micSeq - context->window) >> 1;
1591
1592 //Shift out old
1593 if (shift < 32)
1594 context->rx >>= shift;
1595 else
1596 context->rx = 0;
1597
1598 context->window = micSeq; //Move window
1599 }
1600 }
1601
1602 /*==============================================*/
1603 /*========== EMMH ROUTINES ====================*/
1604 /*==============================================*/
1605
1606 /* mic accumulate */
1607 #define MIC_ACCUM(val) \
1608 context->accum += (u64)(val) * context->coeff[coeff_position++];
1609
1610 static unsigned char aes_counter[16];
1611
1612 /* expand the key to fill the MMH coefficient array */
1613 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1614 struct crypto_cipher *tfm)
1615 {
1616 /* take the keying material, expand if necessary, truncate at 16-bytes */
1617 /* run through AES counter mode to generate context->coeff[] */
1618
1619 int i,j;
1620 u32 counter;
1621 u8 *cipher, plain[16];
1622
1623 crypto_cipher_setkey(tfm, pkey, 16);
1624 counter = 0;
1625 for (i = 0; i < (sizeof(context->coeff)/sizeof(context->coeff[0])); ) {
1626 aes_counter[15] = (u8)(counter >> 0);
1627 aes_counter[14] = (u8)(counter >> 8);
1628 aes_counter[13] = (u8)(counter >> 16);
1629 aes_counter[12] = (u8)(counter >> 24);
1630 counter++;
1631 memcpy (plain, aes_counter, 16);
1632 crypto_cipher_encrypt_one(tfm, plain, plain);
1633 cipher = plain;
1634 for (j=0; (j<16) && (i< (sizeof(context->coeff)/sizeof(context->coeff[0]))); ) {
1635 context->coeff[i++] = ntohl(*(u32 *)&cipher[j]);
1636 j += 4;
1637 }
1638 }
1639 }
1640
1641 /* prepare for calculation of a new mic */
1642 static void emmh32_init(emmh32_context *context)
1643 {
1644 /* prepare for new mic calculation */
1645 context->accum = 0;
1646 context->position = 0;
1647 }
1648
1649 /* add some bytes to the mic calculation */
1650 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1651 {
1652 int coeff_position, byte_position;
1653
1654 if (len == 0) return;
1655
1656 coeff_position = context->position >> 2;
1657
1658 /* deal with partial 32-bit word left over from last update */
1659 byte_position = context->position & 3;
1660 if (byte_position) {
1661 /* have a partial word in part to deal with */
1662 do {
1663 if (len == 0) return;
1664 context->part.d8[byte_position++] = *pOctets++;
1665 context->position++;
1666 len--;
1667 } while (byte_position < 4);
1668 MIC_ACCUM(htonl(context->part.d32));
1669 }
1670
1671 /* deal with full 32-bit words */
1672 while (len >= 4) {
1673 MIC_ACCUM(htonl(*(u32 *)pOctets));
1674 context->position += 4;
1675 pOctets += 4;
1676 len -= 4;
1677 }
1678
1679 /* deal with partial 32-bit word that will be left over from this update */
1680 byte_position = 0;
1681 while (len > 0) {
1682 context->part.d8[byte_position++] = *pOctets++;
1683 context->position++;
1684 len--;
1685 }
1686 }
1687
1688 /* mask used to zero empty bytes for final partial word */
1689 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1690
1691 /* calculate the mic */
1692 static void emmh32_final(emmh32_context *context, u8 digest[4])
1693 {
1694 int coeff_position, byte_position;
1695 u32 val;
1696
1697 u64 sum, utmp;
1698 s64 stmp;
1699
1700 coeff_position = context->position >> 2;
1701
1702 /* deal with partial 32-bit word left over from last update */
1703 byte_position = context->position & 3;
1704 if (byte_position) {
1705 /* have a partial word in part to deal with */
1706 val = htonl(context->part.d32);
1707 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1708 }
1709
1710 /* reduce the accumulated u64 to a 32-bit MIC */
1711 sum = context->accum;
1712 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1713 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1714 sum = utmp & 0xffffffffLL;
1715 if (utmp > 0x10000000fLL)
1716 sum -= 15;
1717
1718 val = (u32)sum;
1719 digest[0] = (val>>24) & 0xFF;
1720 digest[1] = (val>>16) & 0xFF;
1721 digest[2] = (val>>8) & 0xFF;
1722 digest[3] = val & 0xFF;
1723 }
1724
1725 static int readBSSListRid(struct airo_info *ai, int first,
1726 BSSListRid *list) {
1727 int rc;
1728 Cmd cmd;
1729 Resp rsp;
1730
1731 if (first == 1) {
1732 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1733 memset(&cmd, 0, sizeof(cmd));
1734 cmd.cmd=CMD_LISTBSS;
1735 if (down_interruptible(&ai->sem))
1736 return -ERESTARTSYS;
1737 ai->list_bss_task = current;
1738 issuecommand(ai, &cmd, &rsp);
1739 up(&ai->sem);
1740 /* Let the command take effect */
1741 schedule_timeout_uninterruptible(3 * HZ);
1742 ai->list_bss_task = NULL;
1743 }
1744 rc = PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1745 list, ai->bssListRidLen, 1);
1746
1747 list->len = le16_to_cpu(list->len);
1748 list->index = le16_to_cpu(list->index);
1749 list->radioType = le16_to_cpu(list->radioType);
1750 list->cap = le16_to_cpu(list->cap);
1751 list->beaconInterval = le16_to_cpu(list->beaconInterval);
1752 list->fh.dwell = le16_to_cpu(list->fh.dwell);
1753 list->dsChannel = le16_to_cpu(list->dsChannel);
1754 list->atimWindow = le16_to_cpu(list->atimWindow);
1755 list->dBm = le16_to_cpu(list->dBm);
1756 return rc;
1757 }
1758
1759 static int readWepKeyRid(struct airo_info*ai, WepKeyRid *wkr, int temp, int lock) {
1760 int rc = PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1761 wkr, sizeof(*wkr), lock);
1762
1763 wkr->len = le16_to_cpu(wkr->len);
1764 wkr->kindex = le16_to_cpu(wkr->kindex);
1765 wkr->klen = le16_to_cpu(wkr->klen);
1766 return rc;
1767 }
1768 /* In the writeXXXRid routines we copy the rids so that we don't screwup
1769 * the originals when we endian them... */
1770 static int writeWepKeyRid(struct airo_info*ai, WepKeyRid *pwkr, int perm, int lock) {
1771 int rc;
1772 WepKeyRid wkr = *pwkr;
1773
1774 wkr.len = cpu_to_le16(wkr.len);
1775 wkr.kindex = cpu_to_le16(wkr.kindex);
1776 wkr.klen = cpu_to_le16(wkr.klen);
1777 rc = PC4500_writerid(ai, RID_WEP_TEMP, &wkr, sizeof(wkr), lock);
1778 if (rc!=SUCCESS) airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1779 if (perm) {
1780 rc = PC4500_writerid(ai, RID_WEP_PERM, &wkr, sizeof(wkr), lock);
1781 if (rc!=SUCCESS) {
1782 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1783 }
1784 }
1785 return rc;
1786 }
1787
1788 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr) {
1789 int i;
1790 int rc = PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1791
1792 ssidr->len = le16_to_cpu(ssidr->len);
1793 for(i = 0; i < 3; i++) {
1794 ssidr->ssids[i].len = le16_to_cpu(ssidr->ssids[i].len);
1795 }
1796 return rc;
1797 }
1798 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock) {
1799 int rc;
1800 int i;
1801 SsidRid ssidr = *pssidr;
1802
1803 ssidr.len = cpu_to_le16(ssidr.len);
1804 for(i = 0; i < 3; i++) {
1805 ssidr.ssids[i].len = cpu_to_le16(ssidr.ssids[i].len);
1806 }
1807 rc = PC4500_writerid(ai, RID_SSID, &ssidr, sizeof(ssidr), lock);
1808 return rc;
1809 }
1810 static int readConfigRid(struct airo_info*ai, int lock) {
1811 int rc;
1812 u16 *s;
1813 ConfigRid cfg;
1814
1815 if (ai->config.len)
1816 return SUCCESS;
1817
1818 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1819 if (rc != SUCCESS)
1820 return rc;
1821
1822 for(s = &cfg.len; s <= &cfg.rtsThres; s++) *s = le16_to_cpu(*s);
1823
1824 for(s = &cfg.shortRetryLimit; s <= &cfg.radioType; s++)
1825 *s = le16_to_cpu(*s);
1826
1827 for(s = &cfg.txPower; s <= &cfg.radioSpecific; s++)
1828 *s = le16_to_cpu(*s);
1829
1830 for(s = &cfg.arlThreshold; s <= &cfg._reserved4[0]; s++)
1831 *s = cpu_to_le16(*s);
1832
1833 for(s = &cfg.autoWake; s <= &cfg.autoWake; s++)
1834 *s = cpu_to_le16(*s);
1835
1836 ai->config = cfg;
1837 return SUCCESS;
1838 }
1839 static inline void checkThrottle(struct airo_info *ai) {
1840 int i;
1841 /* Old hardware had a limit on encryption speed */
1842 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1843 for(i=0; i<8; i++) {
1844 if (ai->config.rates[i] > maxencrypt) {
1845 ai->config.rates[i] = 0;
1846 }
1847 }
1848 }
1849 }
1850 static int writeConfigRid(struct airo_info*ai, int lock) {
1851 u16 *s;
1852 ConfigRid cfgr;
1853
1854 if (!test_bit (FLAG_COMMIT, &ai->flags))
1855 return SUCCESS;
1856
1857 clear_bit (FLAG_COMMIT, &ai->flags);
1858 clear_bit (FLAG_RESET, &ai->flags);
1859 checkThrottle(ai);
1860 cfgr = ai->config;
1861
1862 if ((cfgr.opmode & 0xFF) == MODE_STA_IBSS)
1863 set_bit(FLAG_ADHOC, &ai->flags);
1864 else
1865 clear_bit(FLAG_ADHOC, &ai->flags);
1866
1867 for(s = &cfgr.len; s <= &cfgr.rtsThres; s++) *s = cpu_to_le16(*s);
1868
1869 for(s = &cfgr.shortRetryLimit; s <= &cfgr.radioType; s++)
1870 *s = cpu_to_le16(*s);
1871
1872 for(s = &cfgr.txPower; s <= &cfgr.radioSpecific; s++)
1873 *s = cpu_to_le16(*s);
1874
1875 for(s = &cfgr.arlThreshold; s <= &cfgr._reserved4[0]; s++)
1876 *s = cpu_to_le16(*s);
1877
1878 for(s = &cfgr.autoWake; s <= &cfgr.autoWake; s++)
1879 *s = cpu_to_le16(*s);
1880
1881 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1882 }
1883 static int readStatusRid(struct airo_info*ai, StatusRid *statr, int lock) {
1884 int rc = PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1885 u16 *s;
1886
1887 statr->len = le16_to_cpu(statr->len);
1888 for(s = &statr->mode; s <= &statr->SSIDlen; s++) *s = le16_to_cpu(*s);
1889
1890 for(s = &statr->beaconPeriod; s <= &statr->shortPreamble; s++)
1891 *s = le16_to_cpu(*s);
1892 statr->load = le16_to_cpu(statr->load);
1893 statr->assocStatus = le16_to_cpu(statr->assocStatus);
1894 return rc;
1895 }
1896 static int readAPListRid(struct airo_info*ai, APListRid *aplr) {
1897 int rc = PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1898 aplr->len = le16_to_cpu(aplr->len);
1899 return rc;
1900 }
1901 static int writeAPListRid(struct airo_info*ai, APListRid *aplr, int lock) {
1902 int rc;
1903 aplr->len = cpu_to_le16(aplr->len);
1904 rc = PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1905 return rc;
1906 }
1907 static int readCapabilityRid(struct airo_info*ai, CapabilityRid *capr, int lock) {
1908 int rc = PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1909 u16 *s;
1910
1911 capr->len = le16_to_cpu(capr->len);
1912 capr->prodNum = le16_to_cpu(capr->prodNum);
1913 capr->radioType = le16_to_cpu(capr->radioType);
1914 capr->country = le16_to_cpu(capr->country);
1915 for(s = &capr->txPowerLevels[0]; s <= &capr->requiredHard; s++)
1916 *s = le16_to_cpu(*s);
1917 return rc;
1918 }
1919 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) {
1920 int rc = PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1921 u32 *i;
1922
1923 sr->len = le16_to_cpu(sr->len);
1924 for(i = &sr->vals[0]; i <= &sr->vals[99]; i++) *i = le32_to_cpu(*i);
1925 return rc;
1926 }
1927
1928 static int airo_open(struct net_device *dev) {
1929 struct airo_info *info = dev->priv;
1930 Resp rsp;
1931
1932 if (test_bit(FLAG_FLASHING, &info->flags))
1933 return -EIO;
1934
1935 /* Make sure the card is configured.
1936 * Wireless Extensions may postpone config changes until the card
1937 * is open (to pipeline changes and speed-up card setup). If
1938 * those changes are not yet commited, do it now - Jean II */
1939 if (test_bit (FLAG_COMMIT, &info->flags)) {
1940 disable_MAC(info, 1);
1941 writeConfigRid(info, 1);
1942 }
1943
1944 if (info->wifidev != dev) {
1945 /* Power on the MAC controller (which may have been disabled) */
1946 clear_bit(FLAG_RADIO_DOWN, &info->flags);
1947 enable_interrupts(info);
1948 }
1949 enable_MAC(info, &rsp, 1);
1950
1951 netif_start_queue(dev);
1952 return 0;
1953 }
1954
1955 static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1956 int npacks, pending;
1957 unsigned long flags;
1958 struct airo_info *ai = dev->priv;
1959
1960 if (!skb) {
1961 airo_print_err(dev->name, "%s: skb == NULL!",__FUNCTION__);
1962 return 0;
1963 }
1964 npacks = skb_queue_len (&ai->txq);
1965
1966 if (npacks >= MAXTXQ - 1) {
1967 netif_stop_queue (dev);
1968 if (npacks > MAXTXQ) {
1969 ai->stats.tx_fifo_errors++;
1970 return 1;
1971 }
1972 skb_queue_tail (&ai->txq, skb);
1973 return 0;
1974 }
1975
1976 spin_lock_irqsave(&ai->aux_lock, flags);
1977 skb_queue_tail (&ai->txq, skb);
1978 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1979 spin_unlock_irqrestore(&ai->aux_lock,flags);
1980 netif_wake_queue (dev);
1981
1982 if (pending == 0) {
1983 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1984 mpi_send_packet (dev);
1985 }
1986 return 0;
1987 }
1988
1989 /*
1990 * @mpi_send_packet
1991 *
1992 * Attempt to transmit a packet. Can be called from interrupt
1993 * or transmit . return number of packets we tried to send
1994 */
1995
1996 static int mpi_send_packet (struct net_device *dev)
1997 {
1998 struct sk_buff *skb;
1999 unsigned char *buffer;
2000 s16 len, *payloadLen;
2001 struct airo_info *ai = dev->priv;
2002 u8 *sendbuf;
2003
2004 /* get a packet to send */
2005
2006 if ((skb = skb_dequeue(&ai->txq)) == 0) {
2007 airo_print_err(dev->name,
2008 "%s: Dequeue'd zero in send_packet()",
2009 __FUNCTION__);
2010 return 0;
2011 }
2012
2013 /* check min length*/
2014 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2015 buffer = skb->data;
2016
2017 ai->txfids[0].tx_desc.offset = 0;
2018 ai->txfids[0].tx_desc.valid = 1;
2019 ai->txfids[0].tx_desc.eoc = 1;
2020 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
2021
2022 /*
2023 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
2024 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
2025 * is immediatly after it. ------------------------------------------------
2026 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
2027 * ------------------------------------------------
2028 */
2029
2030 memcpy((char *)ai->txfids[0].virtual_host_addr,
2031 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2032
2033 payloadLen = (s16 *)(ai->txfids[0].virtual_host_addr +
2034 sizeof(wifictlhdr8023));
2035 sendbuf = ai->txfids[0].virtual_host_addr +
2036 sizeof(wifictlhdr8023) + 2 ;
2037
2038 /*
2039 * Firmware automaticly puts 802 header on so
2040 * we don't need to account for it in the length
2041 */
2042 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2043 (ntohs(((u16 *)buffer)[6]) != 0x888E)) {
2044 MICBuffer pMic;
2045
2046 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2047 return ERROR;
2048
2049 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2050 ai->txfids[0].tx_desc.len += sizeof(pMic);
2051 /* copy data into airo dma buffer */
2052 memcpy (sendbuf, buffer, sizeof(etherHead));
2053 buffer += sizeof(etherHead);
2054 sendbuf += sizeof(etherHead);
2055 memcpy (sendbuf, &pMic, sizeof(pMic));
2056 sendbuf += sizeof(pMic);
2057 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2058 } else {
2059 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2060
2061 dev->trans_start = jiffies;
2062
2063 /* copy data into airo dma buffer */
2064 memcpy(sendbuf, buffer, len);
2065 }
2066
2067 memcpy_toio(ai->txfids[0].card_ram_off,
2068 &ai->txfids[0].tx_desc, sizeof(TxFid));
2069
2070 OUT4500(ai, EVACK, 8);
2071
2072 dev_kfree_skb_any(skb);
2073 return 1;
2074 }
2075
2076 static void get_tx_error(struct airo_info *ai, s32 fid)
2077 {
2078 u16 status;
2079
2080 if (fid < 0)
2081 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2082 else {
2083 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2084 return;
2085 bap_read(ai, &status, 2, BAP0);
2086 }
2087 if (le16_to_cpu(status) & 2) /* Too many retries */
2088 ai->stats.tx_aborted_errors++;
2089 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2090 ai->stats.tx_heartbeat_errors++;
2091 if (le16_to_cpu(status) & 8) /* Aid fail */
2092 { }
2093 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2094 ai->stats.tx_carrier_errors++;
2095 if (le16_to_cpu(status) & 0x20) /* Association lost */
2096 { }
2097 /* We produce a TXDROP event only for retry or lifetime
2098 * exceeded, because that's the only status that really mean
2099 * that this particular node went away.
2100 * Other errors means that *we* screwed up. - Jean II */
2101 if ((le16_to_cpu(status) & 2) ||
2102 (le16_to_cpu(status) & 4)) {
2103 union iwreq_data wrqu;
2104 char junk[0x18];
2105
2106 /* Faster to skip over useless data than to do
2107 * another bap_setup(). We are at offset 0x6 and
2108 * need to go to 0x18 and read 6 bytes - Jean II */
2109 bap_read(ai, (u16 *) junk, 0x18, BAP0);
2110
2111 /* Copy 802.11 dest address.
2112 * We use the 802.11 header because the frame may
2113 * not be 802.3 or may be mangled...
2114 * In Ad-Hoc mode, it will be the node address.
2115 * In managed mode, it will be most likely the AP addr
2116 * User space will figure out how to convert it to
2117 * whatever it needs (IP address or else).
2118 * - Jean II */
2119 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2120 wrqu.addr.sa_family = ARPHRD_ETHER;
2121
2122 /* Send event to user space */
2123 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2124 }
2125 }
2126
2127 static void airo_end_xmit(struct net_device *dev) {
2128 u16 status;
2129 int i;
2130 struct airo_info *priv = dev->priv;
2131 struct sk_buff *skb = priv->xmit.skb;
2132 int fid = priv->xmit.fid;
2133 u32 *fids = priv->fids;
2134
2135 clear_bit(JOB_XMIT, &priv->jobs);
2136 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2137 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2138 up(&priv->sem);
2139
2140 i = 0;
2141 if ( status == SUCCESS ) {
2142 dev->trans_start = jiffies;
2143 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2144 } else {
2145 priv->fids[fid] &= 0xffff;
2146 priv->stats.tx_window_errors++;
2147 }
2148 if (i < MAX_FIDS / 2)
2149 netif_wake_queue(dev);
2150 dev_kfree_skb(skb);
2151 }
2152
2153 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2154 s16 len;
2155 int i, j;
2156 struct airo_info *priv = dev->priv;
2157 u32 *fids = priv->fids;
2158
2159 if ( skb == NULL ) {
2160 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2161 return 0;
2162 }
2163
2164 /* Find a vacant FID */
2165 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2166 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2167
2168 if ( j >= MAX_FIDS / 2 ) {
2169 netif_stop_queue(dev);
2170
2171 if (i == MAX_FIDS / 2) {
2172 priv->stats.tx_fifo_errors++;
2173 return 1;
2174 }
2175 }
2176 /* check min length*/
2177 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2178 /* Mark fid as used & save length for later */
2179 fids[i] |= (len << 16);
2180 priv->xmit.skb = skb;
2181 priv->xmit.fid = i;
2182 if (down_trylock(&priv->sem) != 0) {
2183 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2184 netif_stop_queue(dev);
2185 set_bit(JOB_XMIT, &priv->jobs);
2186 wake_up_interruptible(&priv->thr_wait);
2187 } else
2188 airo_end_xmit(dev);
2189 return 0;
2190 }
2191
2192 static void airo_end_xmit11(struct net_device *dev) {
2193 u16 status;
2194 int i;
2195 struct airo_info *priv = dev->priv;
2196 struct sk_buff *skb = priv->xmit11.skb;
2197 int fid = priv->xmit11.fid;
2198 u32 *fids = priv->fids;
2199
2200 clear_bit(JOB_XMIT11, &priv->jobs);
2201 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2202 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2203 up(&priv->sem);
2204
2205 i = MAX_FIDS / 2;
2206 if ( status == SUCCESS ) {
2207 dev->trans_start = jiffies;
2208 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2209 } else {
2210 priv->fids[fid] &= 0xffff;
2211 priv->stats.tx_window_errors++;
2212 }
2213 if (i < MAX_FIDS)
2214 netif_wake_queue(dev);
2215 dev_kfree_skb(skb);
2216 }
2217
2218 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2219 s16 len;
2220 int i, j;
2221 struct airo_info *priv = dev->priv;
2222 u32 *fids = priv->fids;
2223
2224 if (test_bit(FLAG_MPI, &priv->flags)) {
2225 /* Not implemented yet for MPI350 */
2226 netif_stop_queue(dev);
2227 return -ENETDOWN;
2228 }
2229
2230 if ( skb == NULL ) {
2231 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2232 return 0;
2233 }
2234
2235 /* Find a vacant FID */
2236 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2237 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2238
2239 if ( j >= MAX_FIDS ) {
2240 netif_stop_queue(dev);
2241
2242 if (i == MAX_FIDS) {
2243 priv->stats.tx_fifo_errors++;
2244 return 1;
2245 }
2246 }
2247 /* check min length*/
2248 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2249 /* Mark fid as used & save length for later */
2250 fids[i] |= (len << 16);
2251 priv->xmit11.skb = skb;
2252 priv->xmit11.fid = i;
2253 if (down_trylock(&priv->sem) != 0) {
2254 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2255 netif_stop_queue(dev);
2256 set_bit(JOB_XMIT11, &priv->jobs);
2257 wake_up_interruptible(&priv->thr_wait);
2258 } else
2259 airo_end_xmit11(dev);
2260 return 0;
2261 }
2262
2263 static void airo_read_stats(struct airo_info *ai) {
2264 StatsRid stats_rid;
2265 u32 *vals = stats_rid.vals;
2266
2267 clear_bit(JOB_STATS, &ai->jobs);
2268 if (ai->power.event) {
2269 up(&ai->sem);
2270 return;
2271 }
2272 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2273 up(&ai->sem);
2274
2275 ai->stats.rx_packets = vals[43] + vals[44] + vals[45];
2276 ai->stats.tx_packets = vals[39] + vals[40] + vals[41];
2277 ai->stats.rx_bytes = vals[92];
2278 ai->stats.tx_bytes = vals[91];
2279 ai->stats.rx_errors = vals[0] + vals[2] + vals[3] + vals[4];
2280 ai->stats.tx_errors = vals[42] + ai->stats.tx_fifo_errors;
2281 ai->stats.multicast = vals[43];
2282 ai->stats.collisions = vals[89];
2283
2284 /* detailed rx_errors: */
2285 ai->stats.rx_length_errors = vals[3];
2286 ai->stats.rx_crc_errors = vals[4];
2287 ai->stats.rx_frame_errors = vals[2];
2288 ai->stats.rx_fifo_errors = vals[0];
2289 }
2290
2291 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2292 {
2293 struct airo_info *local = dev->priv;
2294
2295 if (!test_bit(JOB_STATS, &local->jobs)) {
2296 /* Get stats out of the card if available */
2297 if (down_trylock(&local->sem) != 0) {
2298 set_bit(JOB_STATS, &local->jobs);
2299 wake_up_interruptible(&local->thr_wait);
2300 } else
2301 airo_read_stats(local);
2302 }
2303
2304 return &local->stats;
2305 }
2306
2307 static void airo_set_promisc(struct airo_info *ai) {
2308 Cmd cmd;
2309 Resp rsp;
2310
2311 memset(&cmd, 0, sizeof(cmd));
2312 cmd.cmd=CMD_SETMODE;
2313 clear_bit(JOB_PROMISC, &ai->jobs);
2314 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2315 issuecommand(ai, &cmd, &rsp);
2316 up(&ai->sem);
2317 }
2318
2319 static void airo_set_multicast_list(struct net_device *dev) {
2320 struct airo_info *ai = dev->priv;
2321
2322 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2323 change_bit(FLAG_PROMISC, &ai->flags);
2324 if (down_trylock(&ai->sem) != 0) {
2325 set_bit(JOB_PROMISC, &ai->jobs);
2326 wake_up_interruptible(&ai->thr_wait);
2327 } else
2328 airo_set_promisc(ai);
2329 }
2330
2331 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2332 /* Turn on multicast. (Should be already setup...) */
2333 }
2334 }
2335
2336 static int airo_set_mac_address(struct net_device *dev, void *p)
2337 {
2338 struct airo_info *ai = dev->priv;
2339 struct sockaddr *addr = p;
2340 Resp rsp;
2341
2342 readConfigRid(ai, 1);
2343 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2344 set_bit (FLAG_COMMIT, &ai->flags);
2345 disable_MAC(ai, 1);
2346 writeConfigRid (ai, 1);
2347 enable_MAC(ai, &rsp, 1);
2348 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2349 if (ai->wifidev)
2350 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2351 return 0;
2352 }
2353
2354 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2355 {
2356 if ((new_mtu < 68) || (new_mtu > 2400))
2357 return -EINVAL;
2358 dev->mtu = new_mtu;
2359 return 0;
2360 }
2361
2362
2363 static int airo_close(struct net_device *dev) {
2364 struct airo_info *ai = dev->priv;
2365
2366 netif_stop_queue(dev);
2367
2368 if (ai->wifidev != dev) {
2369 #ifdef POWER_ON_DOWN
2370 /* Shut power to the card. The idea is that the user can save
2371 * power when he doesn't need the card with "ifconfig down".
2372 * That's the method that is most friendly towards the network
2373 * stack (i.e. the network stack won't try to broadcast
2374 * anything on the interface and routes are gone. Jean II */
2375 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2376 disable_MAC(ai, 1);
2377 #endif
2378 disable_interrupts( ai );
2379 }
2380 return 0;
2381 }
2382
2383 static void del_airo_dev( struct net_device *dev );
2384
2385 void stop_airo_card( struct net_device *dev, int freeres )
2386 {
2387 struct airo_info *ai = dev->priv;
2388
2389 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2390 disable_MAC(ai, 1);
2391 disable_interrupts(ai);
2392 free_irq( dev->irq, dev );
2393 takedown_proc_entry( dev, ai );
2394 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2395 unregister_netdev( dev );
2396 if (ai->wifidev) {
2397 unregister_netdev(ai->wifidev);
2398 free_netdev(ai->wifidev);
2399 ai->wifidev = NULL;
2400 }
2401 clear_bit(FLAG_REGISTERED, &ai->flags);
2402 }
2403 set_bit(JOB_DIE, &ai->jobs);
2404 kthread_stop(ai->airo_thread_task);
2405
2406 /*
2407 * Clean out tx queue
2408 */
2409 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2410 struct sk_buff *skb = NULL;
2411 for (;(skb = skb_dequeue(&ai->txq));)
2412 dev_kfree_skb(skb);
2413 }
2414
2415 airo_networks_free (ai);
2416
2417 kfree(ai->flash);
2418 kfree(ai->rssi);
2419 kfree(ai->APList);
2420 kfree(ai->SSID);
2421 if (freeres) {
2422 /* PCMCIA frees this stuff, so only for PCI and ISA */
2423 release_region( dev->base_addr, 64 );
2424 if (test_bit(FLAG_MPI, &ai->flags)) {
2425 if (ai->pci)
2426 mpi_unmap_card(ai->pci);
2427 if (ai->pcimem)
2428 iounmap(ai->pcimem);
2429 if (ai->pciaux)
2430 iounmap(ai->pciaux);
2431 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2432 ai->shared, ai->shared_dma);
2433 }
2434 }
2435 crypto_free_cipher(ai->tfm);
2436 del_airo_dev( dev );
2437 free_netdev( dev );
2438 }
2439
2440 EXPORT_SYMBOL(stop_airo_card);
2441
2442 static int add_airo_dev( struct net_device *dev );
2443
2444 static int wll_header_parse(struct sk_buff *skb, unsigned char *haddr)
2445 {
2446 memcpy(haddr, skb->mac.raw + 10, ETH_ALEN);
2447 return ETH_ALEN;
2448 }
2449
2450 static void mpi_unmap_card(struct pci_dev *pci)
2451 {
2452 unsigned long mem_start = pci_resource_start(pci, 1);
2453 unsigned long mem_len = pci_resource_len(pci, 1);
2454 unsigned long aux_start = pci_resource_start(pci, 2);
2455 unsigned long aux_len = AUXMEMSIZE;
2456
2457 release_mem_region(aux_start, aux_len);
2458 release_mem_region(mem_start, mem_len);
2459 }
2460
2461 /*************************************************************
2462 * This routine assumes that descriptors have been setup .
2463 * Run at insmod time or after reset when the decriptors
2464 * have been initialized . Returns 0 if all is well nz
2465 * otherwise . Does not allocate memory but sets up card
2466 * using previously allocated descriptors.
2467 */
2468 static int mpi_init_descriptors (struct airo_info *ai)
2469 {
2470 Cmd cmd;
2471 Resp rsp;
2472 int i;
2473 int rc = SUCCESS;
2474
2475 /* Alloc card RX descriptors */
2476 netif_stop_queue(ai->dev);
2477
2478 memset(&rsp,0,sizeof(rsp));
2479 memset(&cmd,0,sizeof(cmd));
2480
2481 cmd.cmd = CMD_ALLOCATEAUX;
2482 cmd.parm0 = FID_RX;
2483 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2484 cmd.parm2 = MPI_MAX_FIDS;
2485 rc=issuecommand(ai, &cmd, &rsp);
2486 if (rc != SUCCESS) {
2487 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2488 return rc;
2489 }
2490
2491 for (i=0; i<MPI_MAX_FIDS; i++) {
2492 memcpy_toio(ai->rxfids[i].card_ram_off,
2493 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2494 }
2495
2496 /* Alloc card TX descriptors */
2497
2498 memset(&rsp,0,sizeof(rsp));
2499 memset(&cmd,0,sizeof(cmd));
2500
2501 cmd.cmd = CMD_ALLOCATEAUX;
2502 cmd.parm0 = FID_TX;
2503 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2504 cmd.parm2 = MPI_MAX_FIDS;
2505
2506 for (i=0; i<MPI_MAX_FIDS; i++) {
2507 ai->txfids[i].tx_desc.valid = 1;
2508 memcpy_toio(ai->txfids[i].card_ram_off,
2509 &ai->txfids[i].tx_desc, sizeof(TxFid));
2510 }
2511 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2512
2513 rc=issuecommand(ai, &cmd, &rsp);
2514 if (rc != SUCCESS) {
2515 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2516 return rc;
2517 }
2518
2519 /* Alloc card Rid descriptor */
2520 memset(&rsp,0,sizeof(rsp));
2521 memset(&cmd,0,sizeof(cmd));
2522
2523 cmd.cmd = CMD_ALLOCATEAUX;
2524 cmd.parm0 = RID_RW;
2525 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2526 cmd.parm2 = 1; /* Magic number... */
2527 rc=issuecommand(ai, &cmd, &rsp);
2528 if (rc != SUCCESS) {
2529 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2530 return rc;
2531 }
2532
2533 memcpy_toio(ai->config_desc.card_ram_off,
2534 &ai->config_desc.rid_desc, sizeof(Rid));
2535
2536 return rc;
2537 }
2538
2539 /*
2540 * We are setting up three things here:
2541 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2542 * 2) Map PCI memory for issueing commands.
2543 * 3) Allocate memory (shared) to send and receive ethernet frames.
2544 */
2545 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci,
2546 const char *name)
2547 {
2548 unsigned long mem_start, mem_len, aux_start, aux_len;
2549 int rc = -1;
2550 int i;
2551 dma_addr_t busaddroff;
2552 unsigned char *vpackoff;
2553 unsigned char __iomem *pciaddroff;
2554
2555 mem_start = pci_resource_start(pci, 1);
2556 mem_len = pci_resource_len(pci, 1);
2557 aux_start = pci_resource_start(pci, 2);
2558 aux_len = AUXMEMSIZE;
2559
2560 if (!request_mem_region(mem_start, mem_len, name)) {
2561 airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s",
2562 (int)mem_start, (int)mem_len, name);
2563 goto out;
2564 }
2565 if (!request_mem_region(aux_start, aux_len, name)) {
2566 airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s",
2567 (int)aux_start, (int)aux_len, name);
2568 goto free_region1;
2569 }
2570
2571 ai->pcimem = ioremap(mem_start, mem_len);
2572 if (!ai->pcimem) {
2573 airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s",
2574 (int)mem_start, (int)mem_len, name);
2575 goto free_region2;
2576 }
2577 ai->pciaux = ioremap(aux_start, aux_len);
2578 if (!ai->pciaux) {
2579 airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s",
2580 (int)aux_start, (int)aux_len, name);
2581 goto free_memmap;
2582 }
2583
2584 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2585 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2586 if (!ai->shared) {
2587 airo_print_err(ai->dev->name, "Couldn't alloc_consistent %d",
2588 PCI_SHARED_LEN);
2589 goto free_auxmap;
2590 }
2591
2592 /*
2593 * Setup descriptor RX, TX, CONFIG
2594 */
2595 busaddroff = ai->shared_dma;
2596 pciaddroff = ai->pciaux + AUX_OFFSET;
2597 vpackoff = ai->shared;
2598
2599 /* RX descriptor setup */
2600 for(i = 0; i < MPI_MAX_FIDS; i++) {
2601 ai->rxfids[i].pending = 0;
2602 ai->rxfids[i].card_ram_off = pciaddroff;
2603 ai->rxfids[i].virtual_host_addr = vpackoff;
2604 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2605 ai->rxfids[i].rx_desc.valid = 1;
2606 ai->rxfids[i].rx_desc.len = PKTSIZE;
2607 ai->rxfids[i].rx_desc.rdy = 0;
2608
2609 pciaddroff += sizeof(RxFid);
2610 busaddroff += PKTSIZE;
2611 vpackoff += PKTSIZE;
2612 }
2613
2614 /* TX descriptor setup */
2615 for(i = 0; i < MPI_MAX_FIDS; i++) {
2616 ai->txfids[i].card_ram_off = pciaddroff;
2617 ai->txfids[i].virtual_host_addr = vpackoff;
2618 ai->txfids[i].tx_desc.valid = 1;
2619 ai->txfids[i].tx_desc.host_addr = busaddroff;
2620 memcpy(ai->txfids[i].virtual_host_addr,
2621 &wifictlhdr8023, sizeof(wifictlhdr8023));
2622
2623 pciaddroff += sizeof(TxFid);
2624 busaddroff += PKTSIZE;
2625 vpackoff += PKTSIZE;
2626 }
2627 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2628
2629 /* Rid descriptor setup */
2630 ai->config_desc.card_ram_off = pciaddroff;
2631 ai->config_desc.virtual_host_addr = vpackoff;
2632 ai->config_desc.rid_desc.host_addr = busaddroff;
2633 ai->ridbus = busaddroff;
2634 ai->config_desc.rid_desc.rid = 0;
2635 ai->config_desc.rid_desc.len = RIDSIZE;
2636 ai->config_desc.rid_desc.valid = 1;
2637 pciaddroff += sizeof(Rid);
2638 busaddroff += RIDSIZE;
2639 vpackoff += RIDSIZE;
2640
2641 /* Tell card about descriptors */
2642 if (mpi_init_descriptors (ai) != SUCCESS)
2643 goto free_shared;
2644
2645 return 0;
2646 free_shared:
2647 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2648 free_auxmap:
2649 iounmap(ai->pciaux);
2650 free_memmap:
2651 iounmap(ai->pcimem);
2652 free_region2:
2653 release_mem_region(aux_start, aux_len);
2654 free_region1:
2655 release_mem_region(mem_start, mem_len);
2656 out:
2657 return rc;
2658 }
2659
2660 static void wifi_setup(struct net_device *dev)
2661 {
2662 dev->hard_header = NULL;
2663 dev->rebuild_header = NULL;
2664 dev->hard_header_cache = NULL;
2665 dev->header_cache_update= NULL;
2666
2667 dev->hard_header_parse = wll_header_parse;
2668 dev->hard_start_xmit = &airo_start_xmit11;
2669 dev->get_stats = &airo_get_stats;
2670 dev->set_mac_address = &airo_set_mac_address;
2671 dev->do_ioctl = &airo_ioctl;
2672 dev->wireless_handlers = &airo_handler_def;
2673 dev->change_mtu = &airo_change_mtu;
2674 dev->open = &airo_open;
2675 dev->stop = &airo_close;
2676
2677 dev->type = ARPHRD_IEEE80211;
2678 dev->hard_header_len = ETH_HLEN;
2679 dev->mtu = AIRO_DEF_MTU;
2680 dev->addr_len = ETH_ALEN;
2681 dev->tx_queue_len = 100;
2682
2683 memset(dev->broadcast,0xFF, ETH_ALEN);
2684
2685 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2686 }
2687
2688 static struct net_device *init_wifidev(struct airo_info *ai,
2689 struct net_device *ethdev)
2690 {
2691 int err;
2692 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2693 if (!dev)
2694 return NULL;
2695 dev->priv = ethdev->priv;
2696 dev->irq = ethdev->irq;
2697 dev->base_addr = ethdev->base_addr;
2698 dev->wireless_data = ethdev->wireless_data;
2699 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2700 err = register_netdev(dev);
2701 if (err<0) {
2702 free_netdev(dev);
2703 return NULL;
2704 }
2705 return dev;
2706 }
2707
2708 static int reset_card( struct net_device *dev , int lock) {
2709 struct airo_info *ai = dev->priv;
2710
2711 if (lock && down_interruptible(&ai->sem))
2712 return -1;
2713 waitbusy (ai);
2714 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2715 msleep(200);
2716 waitbusy (ai);
2717 msleep(200);
2718 if (lock)
2719 up(&ai->sem);
2720 return 0;
2721 }
2722
2723 #define AIRO_MAX_NETWORK_COUNT 64
2724 static int airo_networks_allocate(struct airo_info *ai)
2725 {
2726 if (ai->networks)
2727 return 0;
2728
2729 ai->networks =
2730 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2731 GFP_KERNEL);
2732 if (!ai->networks) {
2733 airo_print_warn(ai->dev->name, "Out of memory allocating beacons");
2734 return -ENOMEM;
2735 }
2736
2737 return 0;
2738 }
2739
2740 static void airo_networks_free(struct airo_info *ai)
2741 {
2742 if (!ai->networks)
2743 return;
2744 kfree(ai->networks);
2745 ai->networks = NULL;
2746 }
2747
2748 static void airo_networks_initialize(struct airo_info *ai)
2749 {
2750 int i;
2751
2752 INIT_LIST_HEAD(&ai->network_free_list);
2753 INIT_LIST_HEAD(&ai->network_list);
2754 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2755 list_add_tail(&ai->networks[i].list,
2756 &ai->network_free_list);
2757 }
2758
2759 static int airo_test_wpa_capable(struct airo_info *ai)
2760 {
2761 int status;
2762 CapabilityRid cap_rid;
2763 const char *name = ai->dev->name;
2764
2765 status = readCapabilityRid(ai, &cap_rid, 1);
2766 if (status != SUCCESS) return 0;
2767
2768 /* Only firmware versions 5.30.17 or better can do WPA */
2769 if ((cap_rid.softVer > 0x530)
2770 || ((cap_rid.softVer == 0x530) && (cap_rid.softSubVer >= 17))) {
2771 airo_print_info(name, "WPA is supported.");
2772 return 1;
2773 }
2774
2775 /* No WPA support */
2776 airo_print_info(name, "WPA unsupported (only firmware versions 5.30.17"
2777 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2778 return 0;
2779 }
2780
2781 static struct net_device *_init_airo_card( unsigned short irq, int port,
2782 int is_pcmcia, struct pci_dev *pci,
2783 struct device *dmdev )
2784 {
2785 struct net_device *dev;
2786 struct airo_info *ai;
2787 int i, rc;
2788
2789 /* Create the network device object. */
2790 dev = alloc_etherdev(sizeof(*ai));
2791 if (!dev) {
2792 airo_print_err("", "Couldn't alloc_etherdev");
2793 return NULL;
2794 }
2795 if (dev_alloc_name(dev, dev->name) < 0) {
2796 airo_print_err("", "Couldn't get name!");
2797 goto err_out_free;
2798 }
2799
2800 ai = dev->priv;
2801 ai->wifidev = NULL;
2802 ai->flags = 0;
2803 ai->jobs = 0;
2804 ai->dev = dev;
2805 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2806 airo_print_dbg(dev->name, "Found an MPI350 card");
2807 set_bit(FLAG_MPI, &ai->flags);
2808 }
2809 spin_lock_init(&ai->aux_lock);
2810 sema_init(&ai->sem, 1);
2811 ai->config.len = 0;
2812 ai->pci = pci;
2813 init_waitqueue_head (&ai->thr_wait);
2814 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
2815 if (IS_ERR(ai->airo_thread_task))
2816 goto err_out_free;
2817 ai->tfm = NULL;
2818 rc = add_airo_dev( dev );
2819 if (rc)
2820 goto err_out_thr;
2821
2822 if (airo_networks_allocate (ai))
2823 goto err_out_unlink;
2824 airo_networks_initialize (ai);
2825
2826 /* The Airo-specific entries in the device structure. */
2827 if (test_bit(FLAG_MPI,&ai->flags)) {
2828 skb_queue_head_init (&ai->txq);
2829 dev->hard_start_xmit = &mpi_start_xmit;
2830 } else
2831 dev->hard_start_xmit = &airo_start_xmit;
2832 dev->get_stats = &airo_get_stats;
2833 dev->set_multicast_list = &airo_set_multicast_list;
2834 dev->set_mac_address = &airo_set_mac_address;
2835 dev->do_ioctl = &airo_ioctl;
2836 dev->wireless_handlers = &airo_handler_def;
2837 ai->wireless_data.spy_data = &ai->spy_data;
2838 dev->wireless_data = &ai->wireless_data;
2839 dev->change_mtu = &airo_change_mtu;
2840 dev->open = &airo_open;
2841 dev->stop = &airo_close;
2842 dev->irq = irq;
2843 dev->base_addr = port;
2844
2845 SET_NETDEV_DEV(dev, dmdev);
2846
2847 reset_card (dev, 1);
2848 msleep(400);
2849
2850 rc = request_irq( dev->irq, airo_interrupt, IRQF_SHARED, dev->name, dev );
2851 if (rc) {
2852 airo_print_err(dev->name, "register interrupt %d failed, rc %d",
2853 irq, rc);
2854 goto err_out_unlink;
2855 }
2856 if (!is_pcmcia) {
2857 if (!request_region( dev->base_addr, 64, dev->name )) {
2858 rc = -EBUSY;
2859 airo_print_err(dev->name, "Couldn't request region");
2860 goto err_out_irq;
2861 }
2862 }
2863
2864 if (test_bit(FLAG_MPI,&ai->flags)) {
2865 if (mpi_map_card(ai, pci, dev->name)) {
2866 airo_print_err(dev->name, "Could not map memory");
2867 goto err_out_res;
2868 }
2869 }
2870
2871 if (probe) {
2872 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
2873 airo_print_err(dev->name, "MAC could not be enabled" );
2874 rc = -EIO;
2875 goto err_out_map;
2876 }
2877 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2878 ai->bap_read = fast_bap_read;
2879 set_bit(FLAG_FLASHING, &ai->flags);
2880 }
2881
2882 /* Test for WPA support */
2883 if (airo_test_wpa_capable(ai)) {
2884 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2885 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2886 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2887 ai->bssListRidLen = sizeof(BSSListRid);
2888 } else {
2889 ai->bssListFirst = RID_BSSLISTFIRST;
2890 ai->bssListNext = RID_BSSLISTNEXT;
2891 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2892 }
2893
2894 rc = register_netdev(dev);
2895 if (rc) {
2896 airo_print_err(dev->name, "Couldn't register_netdev");
2897 goto err_out_map;
2898 }
2899 ai->wifidev = init_wifidev(ai, dev);
2900 if (!ai->wifidev)
2901 goto err_out_reg;
2902
2903 set_bit(FLAG_REGISTERED,&ai->flags);
2904 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
2905 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2906 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5] );
2907
2908 /* Allocate the transmit buffers */
2909 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2910 for( i = 0; i < MAX_FIDS; i++ )
2911 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2912
2913 if (setup_proc_entry(dev, dev->priv) < 0)
2914 goto err_out_wifi;
2915
2916 netif_start_queue(dev);
2917 SET_MODULE_OWNER(dev);
2918 return dev;
2919
2920 err_out_wifi:
2921 unregister_netdev(ai->wifidev);
2922 free_netdev(ai->wifidev);
2923 err_out_reg:
2924 unregister_netdev(dev);
2925 err_out_map:
2926 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2927 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2928 iounmap(ai->pciaux);
2929 iounmap(ai->pcimem);
2930 mpi_unmap_card(ai->pci);
2931 }
2932 err_out_res:
2933 if (!is_pcmcia)
2934 release_region( dev->base_addr, 64 );
2935 err_out_irq:
2936 free_irq(dev->irq, dev);
2937 err_out_unlink:
2938 del_airo_dev(dev);
2939 err_out_thr:
2940 set_bit(JOB_DIE, &ai->jobs);
2941 kthread_stop(ai->airo_thread_task);
2942 err_out_free:
2943 free_netdev(dev);
2944 return NULL;
2945 }
2946
2947 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2948 struct device *dmdev)
2949 {
2950 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2951 }
2952
2953 EXPORT_SYMBOL(init_airo_card);
2954
2955 static int waitbusy (struct airo_info *ai) {
2956 int delay = 0;
2957 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2958 udelay (10);
2959 if ((++delay % 20) == 0)
2960 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2961 }
2962 return delay < 10000;
2963 }
2964
2965 int reset_airo_card( struct net_device *dev )
2966 {
2967 int i;
2968 struct airo_info *ai = dev->priv;
2969
2970 if (reset_card (dev, 1))
2971 return -1;
2972
2973 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2974 airo_print_err(dev->name, "MAC could not be enabled");
2975 return -1;
2976 }
2977 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
2978 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2979 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
2980 /* Allocate the transmit buffers if needed */
2981 if (!test_bit(FLAG_MPI,&ai->flags))
2982 for( i = 0; i < MAX_FIDS; i++ )
2983 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2984
2985 enable_interrupts( ai );
2986 netif_wake_queue(dev);
2987 return 0;
2988 }
2989
2990 EXPORT_SYMBOL(reset_airo_card);
2991
2992 static void airo_send_event(struct net_device *dev) {
2993 struct airo_info *ai = dev->priv;
2994 union iwreq_data wrqu;
2995 StatusRid status_rid;
2996
2997 clear_bit(JOB_EVENT, &ai->jobs);
2998 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2999 up(&ai->sem);
3000 wrqu.data.length = 0;
3001 wrqu.data.flags = 0;
3002 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
3003 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3004
3005 /* Send event to user space */
3006 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
3007 }
3008
3009 static void airo_process_scan_results (struct airo_info *ai) {
3010 union iwreq_data wrqu;
3011 BSSListRid bss;
3012 int rc;
3013 BSSListElement * loop_net;
3014 BSSListElement * tmp_net;
3015
3016 /* Blow away current list of scan results */
3017 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3018 list_move_tail (&loop_net->list, &ai->network_free_list);
3019 /* Don't blow away ->list, just BSS data */
3020 memset (loop_net, 0, sizeof (loop_net->bss));
3021 }
3022
3023 /* Try to read the first entry of the scan result */
3024 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3025 if((rc) || (bss.index == 0xffff)) {
3026 /* No scan results */
3027 goto out;
3028 }
3029
3030 /* Read and parse all entries */
3031 tmp_net = NULL;
3032 while((!rc) && (bss.index != 0xffff)) {
3033 /* Grab a network off the free list */
3034 if (!list_empty(&ai->network_free_list)) {
3035 tmp_net = list_entry(ai->network_free_list.next,
3036 BSSListElement, list);
3037 list_del(ai->network_free_list.next);
3038 }
3039
3040 if (tmp_net != NULL) {
3041 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3042 list_add_tail(&tmp_net->list, &ai->network_list);
3043 tmp_net = NULL;
3044 }
3045
3046 /* Read next entry */
3047 rc = PC4500_readrid(ai, ai->bssListNext,
3048 &bss, ai->bssListRidLen, 0);
3049 }
3050
3051 out:
3052 ai->scan_timeout = 0;
3053 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3054 up(&ai->sem);
3055
3056 /* Send an empty event to user space.
3057 * We don't send the received data on
3058 * the event because it would require
3059 * us to do complex transcoding, and
3060 * we want to minimise the work done in
3061 * the irq handler. Use a request to
3062 * extract the data - Jean II */
3063 wrqu.data.length = 0;
3064 wrqu.data.flags = 0;
3065 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3066 }
3067
3068 static int airo_thread(void *data) {
3069 struct net_device *dev = data;
3070 struct airo_info *ai = dev->priv;
3071 int locked;
3072
3073 while(1) {
3074 /* make swsusp happy with our thread */
3075 try_to_freeze();
3076
3077 if (test_bit(JOB_DIE, &ai->jobs))
3078 break;
3079
3080 if (ai->jobs) {
3081 locked = down_interruptible(&ai->sem);
3082 } else {
3083 wait_queue_t wait;
3084
3085 init_waitqueue_entry(&wait, current);
3086 add_wait_queue(&ai->thr_wait, &wait);
3087 for (;;) {
3088 set_current_state(TASK_INTERRUPTIBLE);
3089 if (ai->jobs)
3090 break;
3091 if (ai->expires || ai->scan_timeout) {
3092 if (ai->scan_timeout &&
3093 time_after_eq(jiffies,ai->scan_timeout)){
3094 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3095 break;
3096 } else if (ai->expires &&
3097 time_after_eq(jiffies,ai->expires)){
3098 set_bit(JOB_AUTOWEP, &ai->jobs);
3099 break;
3100 }
3101 if (!kthread_should_stop() &&
3102 !freezing(current)) {
3103 unsigned long wake_at;
3104 if (!ai->expires || !ai->scan_timeout) {
3105 wake_at = max(ai->expires,
3106 ai->scan_timeout);
3107 } else {
3108 wake_at = min(ai->expires,
3109 ai->scan_timeout);
3110 }
3111 schedule_timeout(wake_at - jiffies);
3112 continue;
3113 }
3114 } else if (!kthread_should_stop() &&
3115 !freezing(current)) {
3116 schedule();
3117 continue;
3118 }
3119 break;
3120 }
3121 current->state = TASK_RUNNING;
3122 remove_wait_queue(&ai->thr_wait, &wait);
3123 locked = 1;
3124 }
3125
3126 if (locked)
3127 continue;
3128
3129 if (test_bit(JOB_DIE, &ai->jobs)) {
3130 up(&ai->sem);
3131 break;
3132 }
3133
3134 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3135 up(&ai->sem);
3136 continue;
3137 }
3138
3139 if (test_bit(JOB_XMIT, &ai->jobs))
3140 airo_end_xmit(dev);
3141 else if (test_bit(JOB_XMIT11, &ai->jobs))
3142 airo_end_xmit11(dev);
3143 else if (test_bit(JOB_STATS, &ai->jobs))
3144 airo_read_stats(ai);
3145 else if (test_bit(JOB_WSTATS, &ai->jobs))
3146 airo_read_wireless_stats(ai);
3147 else if (test_bit(JOB_PROMISC, &ai->jobs))
3148 airo_set_promisc(ai);
3149 else if (test_bit(JOB_MIC, &ai->jobs))
3150 micinit(ai);
3151 else if (test_bit(JOB_EVENT, &ai->jobs))
3152 airo_send_event(dev);
3153 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3154 timer_func(dev);
3155 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3156 airo_process_scan_results(ai);
3157 else /* Shouldn't get here, but we make sure to unlock */
3158 up(&ai->sem);
3159 }
3160
3161 return 0;
3162 }
3163
3164 static irqreturn_t airo_interrupt ( int irq, void* dev_id) {
3165 struct net_device *dev = (struct net_device *)dev_id;
3166 u16 status;
3167 u16 fid;
3168 struct airo_info *apriv = dev->priv;
3169 u16 savedInterrupts = 0;
3170 int handled = 0;
3171
3172 if (!netif_device_present(dev))
3173 return IRQ_NONE;
3174
3175 for (;;) {
3176 status = IN4500( apriv, EVSTAT );
3177 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3178
3179 handled = 1;
3180
3181 if ( status & EV_AWAKE ) {
3182 OUT4500( apriv, EVACK, EV_AWAKE );
3183 OUT4500( apriv, EVACK, EV_AWAKE );
3184 }
3185
3186 if (!savedInterrupts) {
3187 savedInterrupts = IN4500( apriv, EVINTEN );
3188 OUT4500( apriv, EVINTEN, 0 );
3189 }
3190
3191 if ( status & EV_MIC ) {
3192 OUT4500( apriv, EVACK, EV_MIC );
3193 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3194 set_bit(JOB_MIC, &apriv->jobs);
3195 wake_up_interruptible(&apriv->thr_wait);
3196 }
3197 }
3198 if ( status & EV_LINK ) {
3199 union iwreq_data wrqu;
3200 int scan_forceloss = 0;
3201 /* The link status has changed, if you want to put a
3202 monitor hook in, do it here. (Remember that
3203 interrupts are still disabled!)
3204 */
3205 u16 newStatus = IN4500(apriv, LINKSTAT);
3206 OUT4500( apriv, EVACK, EV_LINK);
3207 /* Here is what newStatus means: */
3208 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3209 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3210 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3211 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3212 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3213 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3214 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3215 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3216 code) */
3217 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3218 code) */
3219 #define ASSOCIATED 0x0400 /* Associated */
3220 #define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3221 #define RC_RESERVED 0 /* Reserved return code */
3222 #define RC_NOREASON 1 /* Unspecified reason */
3223 #define RC_AUTHINV 2 /* Previous authentication invalid */
3224 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3225 leaving */
3226 #define RC_NOACT 4 /* Disassociated due to inactivity */
3227 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3228 all currently associated stations */
3229 #define RC_BADCLASS2 6 /* Class 2 frame received from
3230 non-Authenticated station */
3231 #define RC_BADCLASS3 7 /* Class 3 frame received from
3232 non-Associated station */
3233 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3234 leaving BSS */
3235 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3236 Authenticated with the responding station */
3237 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3238 scan_forceloss = 1;
3239 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
3240 if (auto_wep)
3241 apriv->expires = 0;
3242 if (apriv->list_bss_task)
3243 wake_up_process(apriv->list_bss_task);
3244 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3245 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
3246
3247 if (down_trylock(&apriv->sem) != 0) {
3248 set_bit(JOB_EVENT, &apriv->jobs);
3249 wake_up_interruptible(&apriv->thr_wait);
3250 } else
3251 airo_send_event(dev);
3252 } else if (!scan_forceloss) {
3253 if (auto_wep && !apriv->expires) {
3254 apriv->expires = RUN_AT(3*HZ);
3255 wake_up_interruptible(&apriv->thr_wait);
3256 }
3257
3258 /* Send event to user space */
3259 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3260 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3261 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3262 }
3263 }
3264
3265 /* Check to see if there is something to receive */
3266 if ( status & EV_RX ) {
3267 struct sk_buff *skb = NULL;
3268 u16 fc, len, hdrlen = 0;
3269 #pragma pack(1)
3270 struct {
3271 u16 status, len;
3272 u8 rssi[2];
3273 u8 rate;
3274 u8 freq;
3275 u16 tmp[4];
3276 } hdr;
3277 #pragma pack()
3278 u16 gap;
3279 u16 tmpbuf[4];
3280 u16 *buffer;
3281
3282 if (test_bit(FLAG_MPI,&apriv->flags)) {
3283 if (test_bit(FLAG_802_11, &apriv->flags))
3284 mpi_receive_802_11(apriv);
3285 else
3286 mpi_receive_802_3(apriv);
3287 OUT4500(apriv, EVACK, EV_RX);
3288 goto exitrx;
3289 }
3290
3291 fid = IN4500( apriv, RXFID );
3292
3293 /* Get the packet length */
3294 if (test_bit(FLAG_802_11, &apriv->flags)) {
3295 bap_setup (apriv, fid, 4, BAP0);
3296 bap_read (apriv, (u16*)&hdr, sizeof(hdr), BAP0);
3297 /* Bad CRC. Ignore packet */
3298 if (le16_to_cpu(hdr.status) & 2)
3299 hdr.len = 0;
3300 if (apriv->wifidev == NULL)
3301 hdr.len = 0;
3302 } else {
3303 bap_setup (apriv, fid, 0x36, BAP0);
3304 bap_read (apriv, (u16*)&hdr.len, 2, BAP0);
3305 }
3306 len = le16_to_cpu(hdr.len);
3307
3308 if (len > AIRO_DEF_MTU) {
3309 airo_print_err(apriv->dev->name, "Bad size %d", len);
3310 goto badrx;
3311 }
3312 if (len == 0)
3313 goto badrx;
3314
3315 if (test_bit(FLAG_802_11, &apriv->flags)) {
3316 bap_read (apriv, (u16*)&fc, sizeof(fc), BAP0);
3317 fc = le16_to_cpu(fc);
3318 switch (fc & 0xc) {
3319 case 4:
3320 if ((fc & 0xe0) == 0xc0)
3321 hdrlen = 10;
3322 else
3323 hdrlen = 16;
3324 break;
3325 case 8:
3326 if ((fc&0x300)==0x300){
3327 hdrlen = 30;
3328 break;
3329 }
3330 default:
3331 hdrlen = 24;
3332 }
3333 } else
3334 hdrlen = ETH_ALEN * 2;
3335
3336 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3337 if ( !skb ) {
3338 apriv->stats.rx_dropped++;
3339 goto badrx;
3340 }
3341 skb_reserve(skb, 2); /* This way the IP header is aligned */
3342 buffer = (u16*)skb_put (skb, len + hdrlen);
3343 if (test_bit(FLAG_802_11, &apriv->flags)) {
3344 buffer[0] = fc;
3345 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3346 if (hdrlen == 24)
3347 bap_read (apriv, tmpbuf, 6, BAP0);
3348
3349 bap_read (apriv, &gap, sizeof(gap), BAP0);
3350 gap = le16_to_cpu(gap);
3351 if (gap) {
3352 if (gap <= 8) {
3353 bap_read (apriv, tmpbuf, gap, BAP0);
3354 } else {
3355 airo_print_err(apriv->dev->name, "gaplen too "
3356 "big. Problems will follow...");
3357 }
3358 }
3359 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3360 } else {
3361 MICBuffer micbuf;
3362 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
3363 if (apriv->micstats.enabled) {
3364 bap_read (apriv,(u16*)&micbuf,sizeof(micbuf),BAP0);
3365 if (ntohs(micbuf.typelen) > 0x05DC)
3366 bap_setup (apriv, fid, 0x44, BAP0);
3367 else {
3368 if (len <= sizeof(micbuf))
3369 goto badmic;
3370
3371 len -= sizeof(micbuf);
3372 skb_trim (skb, len + hdrlen);
3373 }
3374 }
3375 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
3376 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3377 badmic:
3378 dev_kfree_skb_irq (skb);
3379 badrx:
3380 OUT4500( apriv, EVACK, EV_RX);
3381 goto exitrx;
3382 }
3383 }
3384 #ifdef WIRELESS_SPY
3385 if (apriv->spy_data.spy_number > 0) {
3386 char *sa;
3387 struct iw_quality wstats;
3388 /* Prepare spy data : addr + qual */
3389 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3390 sa = (char*)buffer + 6;
3391 bap_setup (apriv, fid, 8, BAP0);
3392 bap_read (apriv, (u16*)hdr.rssi, 2, BAP0);
3393 } else
3394 sa = (char*)buffer + 10;
3395 wstats.qual = hdr.rssi[0];
3396 if (apriv->rssi)
3397 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3398 else
3399 wstats.level = (hdr.rssi[1] + 321) / 2;
3400 wstats.noise = apriv->wstats.qual.noise;
3401 wstats.updated = IW_QUAL_LEVEL_UPDATED
3402 | IW_QUAL_QUAL_UPDATED
3403 | IW_QUAL_DBM;
3404 /* Update spy records */
3405 wireless_spy_update(dev, sa, &wstats);
3406 }
3407 #endif /* WIRELESS_SPY */
3408 OUT4500( apriv, EVACK, EV_RX);
3409
3410 if (test_bit(FLAG_802_11, &apriv->flags)) {
3411 skb->mac.raw = skb->data;
3412 skb->pkt_type = PACKET_OTHERHOST;
3413 skb->dev = apriv->wifidev;
3414 skb->protocol = htons(ETH_P_802_2);
3415 } else {
3416 skb->dev = dev;
3417 skb->protocol = eth_type_trans(skb,dev);
3418 }
3419 skb->dev->last_rx = jiffies;
3420 skb->ip_summed = CHECKSUM_NONE;
3421
3422 netif_rx( skb );
3423 }
3424 exitrx:
3425
3426 /* Check to see if a packet has been transmitted */
3427 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3428 int i;
3429 int len = 0;
3430 int index = -1;
3431
3432 if (test_bit(FLAG_MPI,&apriv->flags)) {
3433 unsigned long flags;
3434
3435 if (status & EV_TXEXC)
3436 get_tx_error(apriv, -1);
3437 spin_lock_irqsave(&apriv->aux_lock, flags);
3438 if (!skb_queue_empty(&apriv->txq)) {
3439 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3440 mpi_send_packet (dev);
3441 } else {
3442 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3443 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3444 netif_wake_queue (dev);
3445 }
3446 OUT4500( apriv, EVACK,
3447 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3448 goto exittx;
3449 }
3450
3451 fid = IN4500(apriv, TXCOMPLFID);
3452
3453 for( i = 0; i < MAX_FIDS; i++ ) {
3454 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3455 len = apriv->fids[i] >> 16;
3456 index = i;
3457 }
3458 }
3459 if (index != -1) {
3460 if (status & EV_TXEXC)
3461 get_tx_error(apriv, index);
3462 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3463 /* Set up to be used again */
3464 apriv->fids[index] &= 0xffff;
3465 if (index < MAX_FIDS / 2) {
3466 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3467 netif_wake_queue(dev);
3468 } else {
3469 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3470 netif_wake_queue(apriv->wifidev);
3471 }
3472 } else {
3473 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3474 airo_print_err(apriv->dev->name, "Unallocated FID was "
3475 "used to xmit" );
3476 }
3477 }
3478 exittx:
3479 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
3480 airo_print_warn(apriv->dev->name, "Got weird status %x",
3481 status & ~STATUS_INTS & ~IGNORE_INTS );
3482 }
3483
3484 if (savedInterrupts)
3485 OUT4500( apriv, EVINTEN, savedInterrupts );
3486
3487 /* done.. */
3488 return IRQ_RETVAL(handled);
3489 }
3490
3491 /*
3492 * Routines to talk to the card
3493 */
3494
3495 /*
3496 * This was originally written for the 4500, hence the name
3497 * NOTE: If use with 8bit mode and SMP bad things will happen!
3498 * Why would some one do 8 bit IO in an SMP machine?!?
3499 */
3500 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3501 if (test_bit(FLAG_MPI,&ai->flags))
3502 reg <<= 1;
3503 if ( !do8bitIO )
3504 outw( val, ai->dev->base_addr + reg );
3505 else {
3506 outb( val & 0xff, ai->dev->base_addr + reg );
3507 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3508 }
3509 }
3510
3511 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3512 unsigned short rc;
3513
3514 if (test_bit(FLAG_MPI,&ai->flags))
3515 reg <<= 1;
3516 if ( !do8bitIO )
3517 rc = inw( ai->dev->base_addr + reg );
3518 else {
3519 rc = inb( ai->dev->base_addr + reg );
3520 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3521 }
3522 return rc;
3523 }
3524
3525 static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock ) {
3526 int rc;
3527 Cmd cmd;
3528
3529 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3530 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3531 * Note : we could try to use !netif_running(dev) in enable_MAC()
3532 * instead of this flag, but I don't trust it *within* the
3533 * open/close functions, and testing both flags together is
3534 * "cheaper" - Jean II */
3535 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3536
3537 if (lock && down_interruptible(&ai->sem))
3538 return -ERESTARTSYS;
3539
3540 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3541 memset(&cmd, 0, sizeof(cmd));
3542 cmd.cmd = MAC_ENABLE;
3543 rc = issuecommand(ai, &cmd, rsp);
3544 if (rc == SUCCESS)
3545 set_bit(FLAG_ENABLED, &ai->flags);
3546 } else
3547 rc = SUCCESS;
3548
3549 if (lock)
3550 up(&ai->sem);
3551
3552 if (rc)
3553 airo_print_err(ai->dev->name, "%s: Cannot enable MAC, err=%d",
3554 __FUNCTION__, rc);
3555 return rc;
3556 }
3557
3558 static void disable_MAC( struct airo_info *ai, int lock ) {
3559 Cmd cmd;
3560 Resp rsp;
3561
3562 if (lock && down_interruptible(&ai->sem))
3563 return;
3564
3565 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3566 memset(&cmd, 0, sizeof(cmd));
3567 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3568 issuecommand(ai, &cmd, &rsp);
3569 clear_bit(FLAG_ENABLED, &ai->flags);
3570 }
3571 if (lock)
3572 up(&ai->sem);
3573 }
3574
3575 static void enable_interrupts( struct airo_info *ai ) {
3576 /* Enable the interrupts */
3577 OUT4500( ai, EVINTEN, STATUS_INTS );
3578 }
3579
3580 static void disable_interrupts( struct airo_info *ai ) {
3581 OUT4500( ai, EVINTEN, 0 );
3582 }
3583
3584 static void mpi_receive_802_3(struct airo_info *ai)
3585 {
3586 RxFid rxd;
3587 int len = 0;
3588 struct sk_buff *skb;
3589 char *buffer;
3590 int off = 0;
3591 MICBuffer micbuf;
3592
3593 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3594 /* Make sure we got something */
3595 if (rxd.rdy && rxd.valid == 0) {
3596 len = rxd.len + 12;
3597 if (len < 12 || len > 2048)
3598 goto badrx;
3599
3600 skb = dev_alloc_skb(len);
3601 if (!skb) {
3602 ai->stats.rx_dropped++;
3603 goto badrx;
3604 }
3605 buffer = skb_put(skb,len);
3606 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3607 if (ai->micstats.enabled) {
3608 memcpy(&micbuf,
3609 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3610 sizeof(micbuf));
3611 if (ntohs(micbuf.typelen) <= 0x05DC) {
3612 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3613 goto badmic;
3614
3615 off = sizeof(micbuf);
3616 skb_trim (skb, len - off);
3617 }
3618 }
3619 memcpy(buffer + ETH_ALEN * 2,
3620 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3621 len - ETH_ALEN * 2 - off);
3622 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3623 badmic:
3624 dev_kfree_skb_irq (skb);
3625 goto badrx;
3626 }
3627 #ifdef WIRELESS_SPY
3628 if (ai->spy_data.spy_number > 0) {
3629 char *sa;
3630 struct iw_quality wstats;
3631 /* Prepare spy data : addr + qual */
3632 sa = buffer + ETH_ALEN;
3633 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3634 wstats.level = 0;
3635 wstats.updated = 0;
3636 /* Update spy records */
3637 wireless_spy_update(ai->dev, sa, &wstats);
3638 }
3639 #endif /* WIRELESS_SPY */
3640
3641 skb->dev = ai->dev;
3642 skb->ip_summed = CHECKSUM_NONE;
3643 skb->protocol = eth_type_trans(skb, ai->dev);
3644 skb->dev->last_rx = jiffies;
3645 netif_rx(skb);
3646 }
3647 badrx:
3648 if (rxd.valid == 0) {
3649 rxd.valid = 1;
3650 rxd.rdy = 0;
3651 rxd.len = PKTSIZE;
3652 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3653 }
3654 }
3655
3656 void mpi_receive_802_11 (struct airo_info *ai)
3657 {
3658 RxFid rxd;
3659 struct sk_buff *skb = NULL;
3660 u16 fc, len, hdrlen = 0;
3661 #pragma pack(1)
3662 struct {
3663 u16 status, len;
3664 u8 rssi[2];
3665 u8 rate;
3666 u8 freq;
3667 u16 tmp[4];
3668 } hdr;
3669 #pragma pack()
3670 u16 gap;
3671 u16 *buffer;
3672 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3673
3674 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3675 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3676 ptr += sizeof(hdr);
3677 /* Bad CRC. Ignore packet */
3678 if (le16_to_cpu(hdr.status) & 2)
3679 hdr.len = 0;
3680 if (ai->wifidev == NULL)
3681 hdr.len = 0;
3682 len = le16_to_cpu(hdr.len);
3683 if (len > AIRO_DEF_MTU) {
3684 airo_print_err(ai->dev->name, "Bad size %d", len);
3685 goto badrx;
3686 }
3687 if (len == 0)
3688 goto badrx;
3689
3690 memcpy ((char *)&fc, ptr, sizeof(fc));
3691 fc = le16_to_cpu(fc);
3692 switch (fc & 0xc) {
3693 case 4:
3694 if ((fc & 0xe0) == 0xc0)
3695 hdrlen = 10;
3696 else
3697 hdrlen = 16;
3698 break;
3699 case 8:
3700 if ((fc&0x300)==0x300){
3701 hdrlen = 30;
3702 break;
3703 }
3704 default:
3705 hdrlen = 24;
3706 }
3707
3708 skb = dev_alloc_skb( len + hdrlen + 2 );
3709 if ( !skb ) {
3710 ai->stats.rx_dropped++;
3711 goto badrx;
3712 }
3713 buffer = (u16*)skb_put (skb, len + hdrlen);
3714 memcpy ((char *)buffer, ptr, hdrlen);
3715 ptr += hdrlen;
3716 if (hdrlen == 24)
3717 ptr += 6;
3718 memcpy ((char *)&gap, ptr, sizeof(gap));
3719 ptr += sizeof(gap);
3720 gap = le16_to_cpu(gap);
3721 if (gap) {
3722 if (gap <= 8)
3723 ptr += gap;
3724 else
3725 airo_print_err(ai->dev->name,
3726 "gaplen too big. Problems will follow...");
3727 }
3728 memcpy ((char *)buffer + hdrlen, ptr, len);
3729 ptr += len;
3730 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3731 if (ai->spy_data.spy_number > 0) {
3732 char *sa;
3733 struct iw_quality wstats;
3734 /* Prepare spy data : addr + qual */
3735 sa = (char*)buffer + 10;
3736 wstats.qual = hdr.rssi[0];
3737 if (ai->rssi)
3738 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3739 else
3740 wstats.level = (hdr.rssi[1] + 321) / 2;
3741 wstats.noise = ai->wstats.qual.noise;
3742 wstats.updated = IW_QUAL_QUAL_UPDATED
3743 | IW_QUAL_LEVEL_UPDATED
3744 | IW_QUAL_DBM;
3745 /* Update spy records */
3746 wireless_spy_update(ai->dev, sa, &wstats);
3747 }
3748 #endif /* IW_WIRELESS_SPY */
3749 skb->mac.raw = skb->data;
3750 skb->pkt_type = PACKET_OTHERHOST;
3751 skb->dev = ai->wifidev;
3752 skb->protocol = htons(ETH_P_802_2);
3753 skb->dev->last_rx = jiffies;
3754 skb->ip_summed = CHECKSUM_NONE;
3755 netif_rx( skb );
3756 badrx:
3757 if (rxd.valid == 0) {
3758 rxd.valid = 1;
3759 rxd.rdy = 0;
3760 rxd.len = PKTSIZE;
3761 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3762 }
3763 }
3764
3765 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3766 {
3767 Cmd cmd;
3768 Resp rsp;
3769 int status;
3770 int i;
3771 SsidRid mySsid;
3772 u16 lastindex;
3773 WepKeyRid wkr;
3774 int rc;
3775
3776 memset( &mySsid, 0, sizeof( mySsid ) );
3777 kfree (ai->flash);
3778 ai->flash = NULL;
3779
3780 /* The NOP is the first step in getting the card going */
3781 cmd.cmd = NOP;
3782 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3783 if (lock && down_interruptible(&ai->sem))
3784 return ERROR;
3785 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3786 if (lock)
3787 up(&ai->sem);
3788 return ERROR;
3789 }
3790 disable_MAC( ai, 0);
3791
3792 // Let's figure out if we need to use the AUX port
3793 if (!test_bit(FLAG_MPI,&ai->flags)) {
3794 cmd.cmd = CMD_ENABLEAUX;
3795 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3796 if (lock)
3797 up(&ai->sem);
3798 airo_print_err(ai->dev->name, "Error checking for AUX port");
3799 return ERROR;
3800 }
3801 if (!aux_bap || rsp.status & 0xff00) {
3802 ai->bap_read = fast_bap_read;
3803 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3804 } else {
3805 ai->bap_read = aux_bap_read;
3806 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3807 }
3808 }
3809 if (lock)
3810 up(&ai->sem);
3811 if (ai->config.len == 0) {
3812 tdsRssiRid rssi_rid;
3813 CapabilityRid cap_rid;
3814
3815 kfree(ai->APList);
3816 ai->APList = NULL;
3817 kfree(ai->SSID);
3818 ai->SSID = NULL;
3819 // general configuration (read/modify/write)
3820 status = readConfigRid(ai, lock);
3821 if ( status != SUCCESS ) return ERROR;
3822
3823 status = readCapabilityRid(ai, &cap_rid, lock);
3824 if ( status != SUCCESS ) return ERROR;
3825
3826 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3827 if ( status == SUCCESS ) {
3828 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3829 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3830 }
3831 else {
3832 kfree(ai->rssi);
3833 ai->rssi = NULL;
3834 if (cap_rid.softCap & 8)
3835 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3836 else
3837 airo_print_warn(ai->dev->name, "unknown received signal "
3838 "level scale");
3839 }
3840 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3841 ai->config.authType = AUTH_OPEN;
3842 ai->config.modulation = MOD_CCK;
3843
3844 if ((cap_rid.len>=sizeof(cap_rid)) && (cap_rid.extSoftCap&1) &&
3845 (micsetup(ai) == SUCCESS)) {
3846 ai->config.opmode |= MODE_MIC;
3847 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3848 }
3849
3850 /* Save off the MAC */
3851 for( i = 0; i < ETH_ALEN; i++ ) {
3852 mac[i] = ai->config.macAddr[i];
3853 }
3854
3855 /* Check to see if there are any insmod configured
3856 rates to add */
3857 if ( rates[0] ) {
3858 int i = 0;
3859 memset(ai->config.rates,0,sizeof(ai->config.rates));
3860 for( i = 0; i < 8 && rates[i]; i++ ) {
3861 ai->config.rates[i] = rates[i];
3862 }
3863 }
3864 if ( basic_rate > 0 ) {
3865 int i;
3866 for( i = 0; i < 8; i++ ) {
3867 if ( ai->config.rates[i] == basic_rate ||
3868 !ai->config.rates ) {
3869 ai->config.rates[i] = basic_rate | 0x80;
3870 break;
3871 }
3872 }
3873 }
3874 set_bit (FLAG_COMMIT, &ai->flags);
3875 }
3876
3877 /* Setup the SSIDs if present */
3878 if ( ssids[0] ) {
3879 int i;
3880 for( i = 0; i < 3 && ssids[i]; i++ ) {
3881 mySsid.ssids[i].len = strlen(ssids[i]);
3882 if ( mySsid.ssids[i].len > 32 )
3883 mySsid.ssids[i].len = 32;
3884 memcpy(mySsid.ssids[i].ssid, ssids[i],
3885 mySsid.ssids[i].len);
3886 }
3887 mySsid.len = sizeof(mySsid);
3888 }
3889
3890 status = writeConfigRid(ai, lock);
3891 if ( status != SUCCESS ) return ERROR;
3892
3893 /* Set up the SSID list */
3894 if ( ssids[0] ) {
3895 status = writeSsidRid(ai, &mySsid, lock);
3896 if ( status != SUCCESS ) return ERROR;
3897 }
3898
3899 status = enable_MAC(ai, &rsp, lock);
3900 if ( status != SUCCESS || (rsp.status & 0xFF00) != 0) {
3901 airo_print_err(ai->dev->name, "Bad MAC enable reason = %x, rid = %x,"
3902 " offset = %d", rsp.rsp0, rsp.rsp1, rsp.rsp2 );
3903 return ERROR;
3904 }
3905
3906 /* Grab the initial wep key, we gotta save it for auto_wep */
3907 rc = readWepKeyRid(ai, &wkr, 1, lock);
3908 if (rc == SUCCESS) do {
3909 lastindex = wkr.kindex;
3910 if (wkr.kindex == 0xffff) {
3911 ai->defindex = wkr.mac[0];
3912 }
3913 rc = readWepKeyRid(ai, &wkr, 0, lock);
3914 } while(lastindex != wkr.kindex);
3915
3916 if (auto_wep) {
3917 ai->expires = RUN_AT(3*HZ);
3918 wake_up_interruptible(&ai->thr_wait);
3919 }
3920
3921 return SUCCESS;
3922 }
3923
3924 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3925 // Im really paranoid about letting it run forever!
3926 int max_tries = 600000;
3927
3928 if (IN4500(ai, EVSTAT) & EV_CMD)
3929 OUT4500(ai, EVACK, EV_CMD);
3930
3931 OUT4500(ai, PARAM0, pCmd->parm0);
3932 OUT4500(ai, PARAM1, pCmd->parm1);
3933 OUT4500(ai, PARAM2, pCmd->parm2);
3934 OUT4500(ai, COMMAND, pCmd->cmd);
3935
3936 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3937 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3938 // PC4500 didn't notice command, try again
3939 OUT4500(ai, COMMAND, pCmd->cmd);
3940 if (!in_atomic() && (max_tries & 255) == 0)
3941 schedule();
3942 }
3943
3944 if ( max_tries == -1 ) {
3945 airo_print_err(ai->dev->name,
3946 "Max tries exceeded when issueing command");
3947 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3948 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3949 return ERROR;
3950 }
3951
3952 // command completed
3953 pRsp->status = IN4500(ai, STATUS);
3954 pRsp->rsp0 = IN4500(ai, RESP0);
3955 pRsp->rsp1 = IN4500(ai, RESP1);
3956 pRsp->rsp2 = IN4500(ai, RESP2);
3957 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3958 airo_print_err(ai->dev->name,
3959 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3960 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3961 pRsp->rsp2);
3962
3963 // clear stuck command busy if necessary
3964 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3965 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3966 }
3967 // acknowledge processing the status/response
3968 OUT4500(ai, EVACK, EV_CMD);
3969
3970 return SUCCESS;
3971 }
3972
3973 /* Sets up the bap to start exchange data. whichbap should
3974 * be one of the BAP0 or BAP1 defines. Locks should be held before
3975 * calling! */
3976 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3977 {
3978 int timeout = 50;
3979 int max_tries = 3;
3980
3981 OUT4500(ai, SELECT0+whichbap, rid);
3982 OUT4500(ai, OFFSET0+whichbap, offset);
3983 while (1) {
3984 int status = IN4500(ai, OFFSET0+whichbap);
3985 if (status & BAP_BUSY) {
3986 /* This isn't really a timeout, but its kinda
3987 close */
3988 if (timeout--) {
3989 continue;
3990 }
3991 } else if ( status & BAP_ERR ) {
3992 /* invalid rid or offset */
3993 airo_print_err(ai->dev->name, "BAP error %x %d",
3994 status, whichbap );
3995 return ERROR;
3996 } else if (status & BAP_DONE) { // success
3997 return SUCCESS;
3998 }
3999 if ( !(max_tries--) ) {
4000 airo_print_err(ai->dev->name,
4001 "airo: BAP setup error too many retries\n");
4002 return ERROR;
4003 }
4004 // -- PC4500 missed it, try again
4005 OUT4500(ai, SELECT0+whichbap, rid);
4006 OUT4500(ai, OFFSET0+whichbap, offset);
4007 timeout = 50;
4008 }
4009 }
4010
4011 /* should only be called by aux_bap_read. This aux function and the
4012 following use concepts not documented in the developers guide. I
4013 got them from a patch given to my by Aironet */
4014 static u16 aux_setup(struct airo_info *ai, u16 page,
4015 u16 offset, u16 *len)
4016 {
4017 u16 next;
4018
4019 OUT4500(ai, AUXPAGE, page);
4020 OUT4500(ai, AUXOFF, 0);
4021 next = IN4500(ai, AUXDATA);
4022 *len = IN4500(ai, AUXDATA)&0xff;
4023 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4024 return next;
4025 }
4026
4027 /* requires call to bap_setup() first */
4028 static int aux_bap_read(struct airo_info *ai, u16 *pu16Dst,
4029 int bytelen, int whichbap)
4030 {
4031 u16 len;
4032 u16 page;
4033 u16 offset;
4034 u16 next;
4035 int words;
4036 int i;
4037 unsigned long flags;
4038
4039 spin_lock_irqsave(&ai->aux_lock, flags);
4040 page = IN4500(ai, SWS0+whichbap);
4041 offset = IN4500(ai, SWS2+whichbap);
4042 next = aux_setup(ai, page, offset, &len);
4043 words = (bytelen+1)>>1;
4044
4045 for (i=0; i<words;) {
4046 int count;
4047 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4048 if ( !do8bitIO )
4049 insw( ai->dev->base_addr+DATA0+whichbap,
4050 pu16Dst+i,count );
4051 else
4052 insb( ai->dev->base_addr+DATA0+whichbap,
4053 pu16Dst+i, count << 1 );
4054 i += count;
4055 if (i<words) {
4056 next = aux_setup(ai, next, 4, &len);
4057 }
4058 }
4059 spin_unlock_irqrestore(&ai->aux_lock, flags);
4060 return SUCCESS;
4061 }
4062
4063
4064 /* requires call to bap_setup() first */
4065 static int fast_bap_read(struct airo_info *ai, u16 *pu16Dst,
4066 int bytelen, int whichbap)
4067 {
4068 bytelen = (bytelen + 1) & (~1); // round up to even value
4069 if ( !do8bitIO )
4070 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4071 else
4072 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4073 return SUCCESS;
4074 }
4075
4076 /* requires call to bap_setup() first */
4077 static int bap_write(struct airo_info *ai, const u16 *pu16Src,
4078 int bytelen, int whichbap)
4079 {
4080 bytelen = (bytelen + 1) & (~1); // round up to even value
4081 if ( !do8bitIO )
4082 outsw( ai->dev->base_addr+DATA0+whichbap,
4083 pu16Src, bytelen>>1 );
4084 else
4085 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4086 return SUCCESS;
4087 }
4088
4089 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4090 {
4091 Cmd cmd; /* for issuing commands */
4092 Resp rsp; /* response from commands */
4093 u16 status;
4094
4095 memset(&cmd, 0, sizeof(cmd));
4096 cmd.cmd = accmd;
4097 cmd.parm0 = rid;
4098 status = issuecommand(ai, &cmd, &rsp);
4099 if (status != 0) return status;
4100 if ( (rsp.status & 0x7F00) != 0) {
4101 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4102 }
4103 return 0;
4104 }
4105
4106 /* Note, that we are using BAP1 which is also used by transmit, so
4107 * we must get a lock. */
4108 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4109 {
4110 u16 status;
4111 int rc = SUCCESS;
4112
4113 if (lock) {
4114 if (down_interruptible(&ai->sem))
4115 return ERROR;
4116 }
4117 if (test_bit(FLAG_MPI,&ai->flags)) {
4118 Cmd cmd;
4119 Resp rsp;
4120
4121 memset(&cmd, 0, sizeof(cmd));
4122 memset(&rsp, 0, sizeof(rsp));
4123 ai->config_desc.rid_desc.valid = 1;
4124 ai->config_desc.rid_desc.len = RIDSIZE;
4125 ai->config_desc.rid_desc.rid = 0;
4126 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4127
4128 cmd.cmd = CMD_ACCESS;
4129 cmd.parm0 = rid;
4130
4131 memcpy_toio(ai->config_desc.card_ram_off,
4132 &ai->config_desc.rid_desc, sizeof(Rid));
4133
4134 rc = issuecommand(ai, &cmd, &rsp);
4135
4136 if (rsp.status & 0x7f00)
4137 rc = rsp.rsp0;
4138 if (!rc)
4139 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4140 goto done;
4141 } else {
4142 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4143 rc = status;
4144 goto done;
4145 }
4146 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4147 rc = ERROR;
4148 goto done;
4149 }
4150 // read the rid length field
4151 bap_read(ai, pBuf, 2, BAP1);
4152 // length for remaining part of rid
4153 len = min(len, (int)le16_to_cpu(*(u16*)pBuf)) - 2;
4154
4155 if ( len <= 2 ) {
4156 airo_print_err(ai->dev->name,
4157 "Rid %x has a length of %d which is too short",
4158 (int)rid, (int)len );
4159 rc = ERROR;
4160 goto done;
4161 }
4162 // read remainder of the rid
4163 rc = bap_read(ai, ((u16*)pBuf)+1, len, BAP1);
4164 }
4165 done:
4166 if (lock)
4167 up(&ai->sem);
4168 return rc;
4169 }
4170
4171 /* Note, that we are using BAP1 which is also used by transmit, so
4172 * make sure this isnt called when a transmit is happening */
4173 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4174 const void *pBuf, int len, int lock)
4175 {
4176 u16 status;
4177 int rc = SUCCESS;
4178
4179 *(u16*)pBuf = cpu_to_le16((u16)len);
4180
4181 if (lock) {
4182 if (down_interruptible(&ai->sem))
4183 return ERROR;
4184 }
4185 if (test_bit(FLAG_MPI,&ai->flags)) {
4186 Cmd cmd;
4187 Resp rsp;
4188
4189 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4190 airo_print_err(ai->dev->name,
4191 "%s: MAC should be disabled (rid=%04x)",
4192 __FUNCTION__, rid);
4193 memset(&cmd, 0, sizeof(cmd));
4194 memset(&rsp, 0, sizeof(rsp));
4195
4196 ai->config_desc.rid_desc.valid = 1;
4197 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4198 ai->config_desc.rid_desc.rid = 0;
4199
4200 cmd.cmd = CMD_WRITERID;
4201 cmd.parm0 = rid;
4202
4203 memcpy_toio(ai->config_desc.card_ram_off,
4204 &ai->config_desc.rid_desc, sizeof(Rid));
4205
4206 if (len < 4 || len > 2047) {
4207 airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
4208 rc = -1;
4209 } else {
4210 memcpy((char *)ai->config_desc.virtual_host_addr,
4211 pBuf, len);
4212
4213 rc = issuecommand(ai, &cmd, &rsp);
4214 if ((rc & 0xff00) != 0) {
4215 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4216 __FUNCTION__, rc);
4217 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4218 __FUNCTION__, cmd.cmd);
4219 }
4220
4221 if ((rsp.status & 0x7f00))
4222 rc = rsp.rsp0;
4223 }
4224 } else {
4225 // --- first access so that we can write the rid data
4226 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4227 rc = status;
4228 goto done;
4229 }
4230 // --- now write the rid data
4231 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4232 rc = ERROR;
4233 goto done;
4234 }
4235 bap_write(ai, pBuf, len, BAP1);
4236 // ---now commit the rid data
4237 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4238 }
4239 done:
4240 if (lock)
4241 up(&ai->sem);
4242 return rc;
4243 }
4244
4245 /* Allocates a FID to be used for transmitting packets. We only use
4246 one for now. */
4247 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4248 {
4249 unsigned int loop = 3000;
4250 Cmd cmd;
4251 Resp rsp;
4252 u16 txFid;
4253 u16 txControl;
4254
4255 cmd.cmd = CMD_ALLOCATETX;
4256 cmd.parm0 = lenPayload;
4257 if (down_interruptible(&ai->sem))
4258 return ERROR;
4259 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4260 txFid = ERROR;
4261 goto done;
4262 }
4263 if ( (rsp.status & 0xFF00) != 0) {
4264 txFid = ERROR;
4265 goto done;
4266 }
4267 /* wait for the allocate event/indication
4268 * It makes me kind of nervous that this can just sit here and spin,
4269 * but in practice it only loops like four times. */
4270 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4271 if (!loop) {
4272 txFid = ERROR;
4273 goto done;
4274 }
4275
4276 // get the allocated fid and acknowledge
4277 txFid = IN4500(ai, TXALLOCFID);
4278 OUT4500(ai, EVACK, EV_ALLOC);
4279
4280 /* The CARD is pretty cool since it converts the ethernet packet
4281 * into 802.11. Also note that we don't release the FID since we
4282 * will be using the same one over and over again. */
4283 /* We only have to setup the control once since we are not
4284 * releasing the fid. */
4285 if (raw)
4286 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4287 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4288 else
4289 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4290 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4291 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4292 txFid = ERROR;
4293 else
4294 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4295
4296 done:
4297 up(&ai->sem);
4298
4299 return txFid;
4300 }
4301
4302 /* In general BAP1 is dedicated to transmiting packets. However,
4303 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4304 Make sure the BAP1 spinlock is held when this is called. */
4305 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4306 {
4307 u16 payloadLen;
4308 Cmd cmd;
4309 Resp rsp;
4310 int miclen = 0;
4311 u16 txFid = len;
4312 MICBuffer pMic;
4313
4314 len >>= 16;
4315
4316 if (len <= ETH_ALEN * 2) {
4317 airo_print_warn(ai->dev->name, "Short packet %d", len);
4318 return ERROR;
4319 }
4320 len -= ETH_ALEN * 2;
4321
4322 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4323 (ntohs(((u16 *)pPacket)[6]) != 0x888E)) {
4324 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4325 return ERROR;
4326 miclen = sizeof(pMic);
4327 }
4328 // packet is destination[6], source[6], payload[len-12]
4329 // write the payload length and dst/src/payload
4330 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4331 /* The hardware addresses aren't counted as part of the payload, so
4332 * we have to subtract the 12 bytes for the addresses off */
4333 payloadLen = cpu_to_le16(len + miclen);
4334 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4335 bap_write(ai, (const u16*)pPacket, sizeof(etherHead), BAP1);
4336 if (miclen)
4337 bap_write(ai, (const u16*)&pMic, miclen, BAP1);
4338 bap_write(ai, (const u16*)(pPacket + sizeof(etherHead)), len, BAP1);
4339 // issue the transmit command
4340 memset( &cmd, 0, sizeof( cmd ) );
4341 cmd.cmd = CMD_TRANSMIT;
4342 cmd.parm0 = txFid;
4343 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4344 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4345 return SUCCESS;
4346 }
4347
4348 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4349 {
4350 u16 fc, payloadLen;
4351 Cmd cmd;
4352 Resp rsp;
4353 int hdrlen;
4354 struct {
4355 u8 addr4[ETH_ALEN];
4356 u16 gaplen;
4357 u8 gap[6];
4358 } gap;
4359 u16 txFid = len;
4360 len >>= 16;
4361 gap.gaplen = 6;
4362
4363 fc = le16_to_cpu(*(const u16*)pPacket);
4364 switch (fc & 0xc) {
4365 case 4:
4366 if ((fc & 0xe0) == 0xc0)
4367 hdrlen = 10;
4368 else
4369 hdrlen = 16;
4370 break;
4371 case 8:
4372 if ((fc&0x300)==0x300){
4373 hdrlen = 30;
4374 break;
4375 }
4376 default:
4377 hdrlen = 24;
4378 }
4379
4380 if (len < hdrlen) {
4381 airo_print_warn(ai->dev->name, "Short packet %d", len);
4382 return ERROR;
4383 }
4384
4385 /* packet is 802.11 header + payload
4386 * write the payload length and dst/src/payload */
4387 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4388 /* The 802.11 header aren't counted as part of the payload, so
4389 * we have to subtract the header bytes off */
4390 payloadLen = cpu_to_le16(len-hdrlen);
4391 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4392 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4393 bap_write(ai, (const u16*)pPacket, hdrlen, BAP1);
4394 bap_write(ai, hdrlen == 30 ?
4395 (const u16*)&gap.gaplen : (const u16*)&gap, 38 - hdrlen, BAP1);
4396
4397 bap_write(ai, (const u16*)(pPacket + hdrlen), len - hdrlen, BAP1);
4398 // issue the transmit command
4399 memset( &cmd, 0, sizeof( cmd ) );
4400 cmd.cmd = CMD_TRANSMIT;
4401 cmd.parm0 = txFid;
4402 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4403 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4404 return SUCCESS;
4405 }
4406
4407 /*
4408 * This is the proc_fs routines. It is a bit messier than I would
4409 * like! Feel free to clean it up!
4410 */
4411
4412 static ssize_t proc_read( struct file *file,
4413 char __user *buffer,
4414 size_t len,
4415 loff_t *offset);
4416
4417 static ssize_t proc_write( struct file *file,
4418 const char __user *buffer,
4419 size_t len,
4420 loff_t *offset );
4421 static int proc_close( struct inode *inode, struct file *file );
4422
4423 static int proc_stats_open( struct inode *inode, struct file *file );
4424 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4425 static int proc_status_open( struct inode *inode, struct file *file );
4426 static int proc_SSID_open( struct inode *inode, struct file *file );
4427 static int proc_APList_open( struct inode *inode, struct file *file );
4428 static int proc_BSSList_open( struct inode *inode, struct file *file );
4429 static int proc_config_open( struct inode *inode, struct file *file );
4430 static int proc_wepkey_open( struct inode *inode, struct file *file );
4431
4432 static struct file_operations proc_statsdelta_ops = {
4433 .read = proc_read,
4434 .open = proc_statsdelta_open,
4435 .release = proc_close
4436 };
4437
4438 static struct file_operations proc_stats_ops = {
4439 .read = proc_read,
4440 .open = proc_stats_open,
4441 .release = proc_close
4442 };
4443
4444 static struct file_operations proc_status_ops = {
4445 .read = proc_read,
4446 .open = proc_status_open,
4447 .release = proc_close
4448 };
4449
4450 static struct file_operations proc_SSID_ops = {
4451 .read = proc_read,
4452 .write = proc_write,
4453 .open = proc_SSID_open,
4454 .release = proc_close
4455 };
4456
4457 static struct file_operations proc_BSSList_ops = {
4458 .read = proc_read,
4459 .write = proc_write,
4460 .open = proc_BSSList_open,
4461 .release = proc_close
4462 };
4463
4464 static struct file_operations proc_APList_ops = {
4465 .read = proc_read,
4466 .write = proc_write,
4467 .open = proc_APList_open,
4468 .release = proc_close
4469 };
4470
4471 static struct file_operations proc_config_ops = {
4472 .read = proc_read,
4473 .write = proc_write,
4474 .open = proc_config_open,
4475 .release = proc_close
4476 };
4477
4478 static struct file_operations proc_wepkey_ops = {
4479 .read = proc_read,
4480 .write = proc_write,
4481 .open = proc_wepkey_open,
4482 .release = proc_close
4483 };
4484
4485 static struct proc_dir_entry *airo_entry;
4486
4487 struct proc_data {
4488 int release_buffer;
4489 int readlen;
4490 char *rbuffer;
4491 int writelen;
4492 int maxwritelen;
4493 char *wbuffer;
4494 void (*on_close) (struct inode *, struct file *);
4495 };
4496
4497 #ifndef SETPROC_OPS
4498 #define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4499 #endif
4500
4501 static int setup_proc_entry( struct net_device *dev,
4502 struct airo_info *apriv ) {
4503 struct proc_dir_entry *entry;
4504 /* First setup the device directory */
4505 strcpy(apriv->proc_name,dev->name);
4506 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4507 S_IFDIR|airo_perm,
4508 airo_entry);
4509 if (!apriv->proc_entry)
4510 goto fail;
4511 apriv->proc_entry->uid = proc_uid;
4512 apriv->proc_entry->gid = proc_gid;
4513 apriv->proc_entry->owner = THIS_MODULE;
4514
4515 /* Setup the StatsDelta */
4516 entry = create_proc_entry("StatsDelta",
4517 S_IFREG | (S_IRUGO&proc_perm),
4518 apriv->proc_entry);
4519 if (!entry)
4520 goto fail_stats_delta;
4521 entry->uid = proc_uid;
4522 entry->gid = proc_gid;
4523 entry->data = dev;
4524 entry->owner = THIS_MODULE;
4525 SETPROC_OPS(entry, proc_statsdelta_ops);
4526
4527 /* Setup the Stats */
4528 entry = create_proc_entry("Stats",
4529 S_IFREG | (S_IRUGO&proc_perm),
4530 apriv->proc_entry);
4531 if (!entry)
4532 goto fail_stats;
4533 entry->uid = proc_uid;
4534 entry->gid = proc_gid;
4535 entry->data = dev;
4536 entry->owner = THIS_MODULE;
4537 SETPROC_OPS(entry, proc_stats_ops);
4538
4539 /* Setup the Status */
4540 entry = create_proc_entry("Status",
4541 S_IFREG | (S_IRUGO&proc_perm),
4542 apriv->proc_entry);
4543 if (!entry)
4544 goto fail_status;
4545 entry->uid = proc_uid;
4546 entry->gid = proc_gid;
4547 entry->data = dev;
4548 entry->owner = THIS_MODULE;
4549 SETPROC_OPS(entry, proc_status_ops);
4550
4551 /* Setup the Config */
4552 entry = create_proc_entry("Config",
4553 S_IFREG | proc_perm,
4554 apriv->proc_entry);
4555 if (!entry)
4556 goto fail_config;
4557 entry->uid = proc_uid;
4558 entry->gid = proc_gid;
4559 entry->data = dev;
4560 entry->owner = THIS_MODULE;
4561 SETPROC_OPS(entry, proc_config_ops);
4562
4563 /* Setup the SSID */
4564 entry = create_proc_entry("SSID",
4565 S_IFREG | proc_perm,
4566 apriv->proc_entry);
4567 if (!entry)
4568 goto fail_ssid;
4569 entry->uid = proc_uid;
4570 entry->gid = proc_gid;
4571 entry->data = dev;
4572 entry->owner = THIS_MODULE;
4573 SETPROC_OPS(entry, proc_SSID_ops);
4574
4575 /* Setup the APList */
4576 entry = create_proc_entry("APList",
4577 S_IFREG | proc_perm,
4578 apriv->proc_entry);
4579 if (!entry)
4580 goto fail_aplist;
4581 entry->uid = proc_uid;
4582 entry->gid = proc_gid;
4583 entry->data = dev;
4584 entry->owner = THIS_MODULE;
4585 SETPROC_OPS(entry, proc_APList_ops);
4586
4587 /* Setup the BSSList */
4588 entry = create_proc_entry("BSSList",
4589 S_IFREG | proc_perm,
4590 apriv->proc_entry);
4591 if (!entry)
4592 goto fail_bsslist;
4593 entry->uid = proc_uid;
4594 entry->gid = proc_gid;
4595 entry->data = dev;
4596 entry->owner = THIS_MODULE;
4597 SETPROC_OPS(entry, proc_BSSList_ops);
4598
4599 /* Setup the WepKey */
4600 entry = create_proc_entry("WepKey",
4601 S_IFREG | proc_perm,
4602 apriv->proc_entry);
4603 if (!entry)
4604 goto fail_wepkey;
4605 entry->uid = proc_uid;
4606 entry->gid = proc_gid;
4607 entry->data = dev;
4608 entry->owner = THIS_MODULE;
4609 SETPROC_OPS(entry, proc_wepkey_ops);
4610
4611 return 0;
4612
4613 fail_wepkey:
4614 remove_proc_entry("BSSList", apriv->proc_entry);
4615 fail_bsslist:
4616 remove_proc_entry("APList", apriv->proc_entry);
4617 fail_aplist:
4618 remove_proc_entry("SSID", apriv->proc_entry);
4619 fail_ssid:
4620 remove_proc_entry("Config", apriv->proc_entry);
4621 fail_config:
4622 remove_proc_entry("Status", apriv->proc_entry);
4623 fail_status:
4624 remove_proc_entry("Stats", apriv->proc_entry);
4625 fail_stats:
4626 remove_proc_entry("StatsDelta", apriv->proc_entry);
4627 fail_stats_delta:
4628 remove_proc_entry(apriv->proc_name, airo_entry);
4629 fail:
4630 return -ENOMEM;
4631 }
4632
4633 static int takedown_proc_entry( struct net_device *dev,
4634 struct airo_info *apriv ) {
4635 if ( !apriv->proc_entry->namelen ) return 0;
4636 remove_proc_entry("Stats",apriv->proc_entry);
4637 remove_proc_entry("StatsDelta",apriv->proc_entry);
4638 remove_proc_entry("Status",apriv->proc_entry);
4639 remove_proc_entry("Config",apriv->proc_entry);
4640 remove_proc_entry("SSID",apriv->proc_entry);
4641 remove_proc_entry("APList",apriv->proc_entry);
4642 remove_proc_entry("BSSList",apriv->proc_entry);
4643 remove_proc_entry("WepKey",apriv->proc_entry);
4644 remove_proc_entry(apriv->proc_name,airo_entry);
4645 return 0;
4646 }
4647
4648 /*
4649 * What we want from the proc_fs is to be able to efficiently read
4650 * and write the configuration. To do this, we want to read the
4651 * configuration when the file is opened and write it when the file is
4652 * closed. So basically we allocate a read buffer at open and fill it
4653 * with data, and allocate a write buffer and read it at close.
4654 */
4655
4656 /*
4657 * The read routine is generic, it relies on the preallocated rbuffer
4658 * to supply the data.
4659 */
4660 static ssize_t proc_read( struct file *file,
4661 char __user *buffer,
4662 size_t len,
4663 loff_t *offset )
4664 {
4665 loff_t pos = *offset;
4666 struct proc_data *priv = (struct proc_data*)file->private_data;
4667
4668 if (!priv->rbuffer)
4669 return -EINVAL;
4670
4671 if (pos < 0)
4672 return -EINVAL;
4673 if (pos >= priv->readlen)
4674 return 0;
4675 if (len > priv->readlen - pos)
4676 len = priv->readlen - pos;
4677 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4678 return -EFAULT;
4679 *offset = pos + len;
4680 return len;
4681 }
4682
4683 /*
4684 * The write routine is generic, it fills in a preallocated rbuffer
4685 * to supply the data.
4686 */
4687 static ssize_t proc_write( struct file *file,
4688 const char __user *buffer,
4689 size_t len,
4690 loff_t *offset )
4691 {
4692 loff_t pos = *offset;
4693 struct proc_data *priv = (struct proc_data*)file->private_data;
4694
4695 if (!priv->wbuffer)
4696 return -EINVAL;
4697
4698 if (pos < 0)
4699 return -EINVAL;
4700 if (pos >= priv->maxwritelen)
4701 return 0;
4702 if (len > priv->maxwritelen - pos)
4703 len = priv->maxwritelen - pos;
4704 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4705 return -EFAULT;
4706 if ( pos + len > priv->writelen )
4707 priv->writelen = len + file->f_pos;
4708 *offset = pos + len;
4709 return len;
4710 }
4711
4712 static int proc_status_open( struct inode *inode, struct file *file ) {
4713 struct proc_data *data;
4714 struct proc_dir_entry *dp = PDE(inode);
4715 struct net_device *dev = dp->data;
4716 struct airo_info *apriv = dev->priv;
4717 CapabilityRid cap_rid;
4718 StatusRid status_rid;
4719 int i;
4720
4721 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4722 return -ENOMEM;
4723 data = (struct proc_data *)file->private_data;
4724 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4725 kfree (file->private_data);
4726 return -ENOMEM;
4727 }
4728
4729 readStatusRid(apriv, &status_rid, 1);
4730 readCapabilityRid(apriv, &cap_rid, 1);
4731
4732 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4733 status_rid.mode & 1 ? "CFG ": "",
4734 status_rid.mode & 2 ? "ACT ": "",
4735 status_rid.mode & 0x10 ? "SYN ": "",
4736 status_rid.mode & 0x20 ? "LNK ": "",
4737 status_rid.mode & 0x40 ? "LEAP ": "",
4738 status_rid.mode & 0x80 ? "PRIV ": "",
4739 status_rid.mode & 0x100 ? "KEY ": "",
4740 status_rid.mode & 0x200 ? "WEP ": "",
4741 status_rid.mode & 0x8000 ? "ERR ": "");
4742 sprintf( data->rbuffer+i, "Mode: %x\n"
4743 "Signal Strength: %d\n"
4744 "Signal Quality: %d\n"
4745 "SSID: %-.*s\n"
4746 "AP: %-.16s\n"
4747 "Freq: %d\n"
4748 "BitRate: %dmbs\n"
4749 "Driver Version: %s\n"
4750 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4751 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4752 "Software Version: %x\nSoftware Subversion: %x\n"
4753 "Boot block version: %x\n",
4754 (int)status_rid.mode,
4755 (int)status_rid.normalizedSignalStrength,
4756 (int)status_rid.signalQuality,
4757 (int)status_rid.SSIDlen,
4758 status_rid.SSID,
4759 status_rid.apName,
4760 (int)status_rid.channel,
4761 (int)status_rid.currentXmitRate/2,
4762 version,
4763 cap_rid.prodName,
4764 cap_rid.manName,
4765 cap_rid.prodVer,
4766 cap_rid.radioType,
4767 cap_rid.country,
4768 cap_rid.hardVer,
4769 (int)cap_rid.softVer,
4770 (int)cap_rid.softSubVer,
4771 (int)cap_rid.bootBlockVer );
4772 data->readlen = strlen( data->rbuffer );
4773 return 0;
4774 }
4775
4776 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4777 static int proc_statsdelta_open( struct inode *inode,
4778 struct file *file ) {
4779 if (file->f_mode&FMODE_WRITE) {
4780 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4781 }
4782 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4783 }
4784
4785 static int proc_stats_open( struct inode *inode, struct file *file ) {
4786 return proc_stats_rid_open(inode, file, RID_STATS);
4787 }
4788
4789 static int proc_stats_rid_open( struct inode *inode,
4790 struct file *file,
4791 u16 rid ) {
4792 struct proc_data *data;
4793 struct proc_dir_entry *dp = PDE(inode);
4794 struct net_device *dev = dp->data;
4795 struct airo_info *apriv = dev->priv;
4796 StatsRid stats;
4797 int i, j;
4798 u32 *vals = stats.vals;
4799
4800 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4801 return -ENOMEM;
4802 data = (struct proc_data *)file->private_data;
4803 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4804 kfree (file->private_data);
4805 return -ENOMEM;
4806 }
4807
4808 readStatsRid(apriv, &stats, rid, 1);
4809
4810 j = 0;
4811 for(i=0; statsLabels[i]!=(char *)-1 &&
4812 i*4<stats.len; i++){
4813 if (!statsLabels[i]) continue;
4814 if (j+strlen(statsLabels[i])+16>4096) {
4815 airo_print_warn(apriv->dev->name,
4816 "Potentially disasterous buffer overflow averted!");
4817 break;
4818 }
4819 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], vals[i]);
4820 }
4821 if (i*4>=stats.len){
4822 airo_print_warn(apriv->dev->name, "Got a short rid");
4823 }
4824 data->readlen = j;
4825 return 0;
4826 }
4827
4828 static int get_dec_u16( char *buffer, int *start, int limit ) {
4829 u16 value;
4830 int valid = 0;
4831 for( value = 0; buffer[*start] >= '0' &&
4832 buffer[*start] <= '9' &&
4833 *start < limit; (*start)++ ) {
4834 valid = 1;
4835 value *= 10;
4836 value += buffer[*start] - '0';
4837 }
4838 if ( !valid ) return -1;
4839 return value;
4840 }
4841
4842 static int airo_config_commit(struct net_device *dev,
4843 struct iw_request_info *info, void *zwrq,
4844 char *extra);
4845
4846 static void proc_config_on_close( struct inode *inode, struct file *file ) {
4847 struct proc_data *data = file->private_data;
4848 struct proc_dir_entry *dp = PDE(inode);
4849 struct net_device *dev = dp->data;
4850 struct airo_info *ai = dev->priv;
4851 char *line;
4852
4853 if ( !data->writelen ) return;
4854
4855 readConfigRid(ai, 1);
4856 set_bit (FLAG_COMMIT, &ai->flags);
4857
4858 line = data->wbuffer;
4859 while( line[0] ) {
4860 /*** Mode processing */
4861 if ( !strncmp( line, "Mode: ", 6 ) ) {
4862 line += 6;
4863 if ((ai->config.rmode & 0xff) >= RXMODE_RFMON)
4864 set_bit (FLAG_RESET, &ai->flags);
4865 ai->config.rmode &= 0xfe00;
4866 clear_bit (FLAG_802_11, &ai->flags);
4867 ai->config.opmode &= 0xFF00;
4868 ai->config.scanMode = SCANMODE_ACTIVE;
4869 if ( line[0] == 'a' ) {
4870 ai->config.opmode |= 0;
4871 } else {
4872 ai->config.opmode |= 1;
4873 if ( line[0] == 'r' ) {
4874 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4875 ai->config.scanMode = SCANMODE_PASSIVE;
4876 set_bit (FLAG_802_11, &ai->flags);
4877 } else if ( line[0] == 'y' ) {
4878 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4879 ai->config.scanMode = SCANMODE_PASSIVE;
4880 set_bit (FLAG_802_11, &ai->flags);
4881 } else if ( line[0] == 'l' )
4882 ai->config.rmode |= RXMODE_LANMON;
4883 }
4884 set_bit (FLAG_COMMIT, &ai->flags);
4885 }
4886
4887 /*** Radio status */
4888 else if (!strncmp(line,"Radio: ", 7)) {
4889 line += 7;
4890 if (!strncmp(line,"off",3)) {
4891 set_bit (FLAG_RADIO_OFF, &ai->flags);
4892 } else {
4893 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4894 }
4895 }
4896 /*** NodeName processing */
4897 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4898 int j;
4899
4900 line += 10;
4901 memset( ai->config.nodeName, 0, 16 );
4902 /* Do the name, assume a space between the mode and node name */
4903 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4904 ai->config.nodeName[j] = line[j];
4905 }
4906 set_bit (FLAG_COMMIT, &ai->flags);
4907 }
4908
4909 /*** PowerMode processing */
4910 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4911 line += 11;
4912 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4913 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4914 set_bit (FLAG_COMMIT, &ai->flags);
4915 } else if ( !strncmp( line, "PSP", 3 ) ) {
4916 ai->config.powerSaveMode = POWERSAVE_PSP;
4917 set_bit (FLAG_COMMIT, &ai->flags);
4918 } else {
4919 ai->config.powerSaveMode = POWERSAVE_CAM;
4920 set_bit (FLAG_COMMIT, &ai->flags);
4921 }
4922 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4923 int v, i = 0, k = 0; /* i is index into line,
4924 k is index to rates */
4925
4926 line += 11;
4927 while((v = get_dec_u16(line, &i, 3))!=-1) {
4928 ai->config.rates[k++] = (u8)v;
4929 line += i + 1;
4930 i = 0;
4931 }
4932 set_bit (FLAG_COMMIT, &ai->flags);
4933 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4934 int v, i = 0;
4935 line += 9;
4936 v = get_dec_u16(line, &i, i+3);
4937 if ( v != -1 ) {
4938 ai->config.channelSet = (u16)v;
4939 set_bit (FLAG_COMMIT, &ai->flags);
4940 }
4941 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4942 int v, i = 0;
4943 line += 11;
4944 v = get_dec_u16(line, &i, i+3);
4945 if ( v != -1 ) {
4946 ai->config.txPower = (u16)v;
4947 set_bit (FLAG_COMMIT, &ai->flags);
4948 }
4949 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4950 line += 5;
4951 switch( line[0] ) {
4952 case 's':
4953 ai->config.authType = (u16)AUTH_SHAREDKEY;
4954 break;
4955 case 'e':
4956 ai->config.authType = (u16)AUTH_ENCRYPT;
4957 break;
4958 default:
4959 ai->config.authType = (u16)AUTH_OPEN;
4960 break;
4961 }
4962 set_bit (FLAG_COMMIT, &ai->flags);
4963 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4964 int v, i = 0;
4965
4966 line += 16;
4967 v = get_dec_u16(line, &i, 3);
4968 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4969 ai->config.longRetryLimit = (u16)v;
4970 set_bit (FLAG_COMMIT, &ai->flags);
4971 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4972 int v, i = 0;
4973
4974 line += 17;
4975 v = get_dec_u16(line, &i, 3);
4976 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4977 ai->config.shortRetryLimit = (u16)v;
4978 set_bit (FLAG_COMMIT, &ai->flags);
4979 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4980 int v, i = 0;
4981
4982 line += 14;
4983 v = get_dec_u16(line, &i, 4);
4984 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4985 ai->config.rtsThres = (u16)v;
4986 set_bit (FLAG_COMMIT, &ai->flags);
4987 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4988 int v, i = 0;
4989
4990 line += 16;
4991 v = get_dec_u16(line, &i, 5);
4992 v = (v<0) ? 0 : v;
4993 ai->config.txLifetime = (u16)v;
4994 set_bit (FLAG_COMMIT, &ai->flags);
4995 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4996 int v, i = 0;
4997
4998 line += 16;
4999 v = get_dec_u16(line, &i, 5);
5000 v = (v<0) ? 0 : v;
5001 ai->config.rxLifetime = (u16)v;
5002 set_bit (FLAG_COMMIT, &ai->flags);
5003 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
5004 ai->config.txDiversity =
5005 (line[13]=='l') ? 1 :
5006 ((line[13]=='r')? 2: 3);
5007 set_bit (FLAG_COMMIT, &ai->flags);
5008 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
5009 ai->config.rxDiversity =
5010 (line[13]=='l') ? 1 :
5011 ((line[13]=='r')? 2: 3);
5012 set_bit (FLAG_COMMIT, &ai->flags);
5013 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
5014 int v, i = 0;
5015
5016 line += 15;
5017 v = get_dec_u16(line, &i, 4);
5018 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
5019 v = v & 0xfffe; /* Make sure its even */
5020 ai->config.fragThresh = (u16)v;
5021 set_bit (FLAG_COMMIT, &ai->flags);
5022 } else if (!strncmp(line, "Modulation: ", 12)) {
5023 line += 12;
5024 switch(*line) {
5025 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
5026 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
5027 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
5028 default: airo_print_warn(ai->dev->name, "Unknown modulation");
5029 }
5030 } else if (!strncmp(line, "Preamble: ", 10)) {
5031 line += 10;
5032 switch(*line) {
5033 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
5034 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5035 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
5036 default: airo_print_warn(ai->dev->name, "Unknown preamble");
5037 }
5038 } else {
5039 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
5040 }
5041 while( line[0] && line[0] != '\n' ) line++;
5042 if ( line[0] ) line++;
5043 }
5044 airo_config_commit(dev, NULL, NULL, NULL);
5045 }
5046
5047 static char *get_rmode(u16 mode) {
5048 switch(mode&0xff) {
5049 case RXMODE_RFMON: return "rfmon";
5050 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5051 case RXMODE_LANMON: return "lanmon";
5052 }
5053 return "ESS";
5054 }
5055
5056 static int proc_config_open( struct inode *inode, struct file *file ) {
5057 struct proc_data *data;
5058 struct proc_dir_entry *dp = PDE(inode);
5059 struct net_device *dev = dp->data;
5060 struct airo_info *ai = dev->priv;
5061 int i;
5062
5063 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5064 return -ENOMEM;
5065 data = (struct proc_data *)file->private_data;
5066 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5067 kfree (file->private_data);
5068 return -ENOMEM;
5069 }
5070 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5071 kfree (data->rbuffer);
5072 kfree (file->private_data);
5073 return -ENOMEM;
5074 }
5075 data->maxwritelen = 2048;
5076 data->on_close = proc_config_on_close;
5077
5078 readConfigRid(ai, 1);
5079
5080 i = sprintf( data->rbuffer,
5081 "Mode: %s\n"
5082 "Radio: %s\n"
5083 "NodeName: %-16s\n"
5084 "PowerMode: %s\n"
5085 "DataRates: %d %d %d %d %d %d %d %d\n"
5086 "Channel: %d\n"
5087 "XmitPower: %d\n",
5088 (ai->config.opmode & 0xFF) == 0 ? "adhoc" :
5089 (ai->config.opmode & 0xFF) == 1 ? get_rmode(ai->config.rmode):
5090 (ai->config.opmode & 0xFF) == 2 ? "AP" :
5091 (ai->config.opmode & 0xFF) == 3 ? "AP RPTR" : "Error",
5092 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5093 ai->config.nodeName,
5094 ai->config.powerSaveMode == 0 ? "CAM" :
5095 ai->config.powerSaveMode == 1 ? "PSP" :
5096 ai->config.powerSaveMode == 2 ? "PSPCAM" : "Error",
5097 (int)ai->config.rates[0],
5098 (int)ai->config.rates[1],
5099 (int)ai->config.rates[2],
5100 (int)ai->config.rates[3],
5101 (int)ai->config.rates[4],
5102 (int)ai->config.rates[5],
5103 (int)ai->config.rates[6],
5104 (int)ai->config.rates[7],
5105 (int)ai->config.channelSet,
5106 (int)ai->config.txPower
5107 );
5108 sprintf( data->rbuffer + i,
5109 "LongRetryLimit: %d\n"
5110 "ShortRetryLimit: %d\n"
5111 "RTSThreshold: %d\n"
5112 "TXMSDULifetime: %d\n"
5113 "RXMSDULifetime: %d\n"
5114 "TXDiversity: %s\n"
5115 "RXDiversity: %s\n"
5116 "FragThreshold: %d\n"
5117 "WEP: %s\n"
5118 "Modulation: %s\n"
5119 "Preamble: %s\n",
5120 (int)ai->config.longRetryLimit,
5121 (int)ai->config.shortRetryLimit,
5122 (int)ai->config.rtsThres,
5123 (int)ai->config.txLifetime,
5124 (int)ai->config.rxLifetime,
5125 ai->config.txDiversity == 1 ? "left" :
5126 ai->config.txDiversity == 2 ? "right" : "both",
5127 ai->config.rxDiversity == 1 ? "left" :
5128 ai->config.rxDiversity == 2 ? "right" : "both",
5129 (int)ai->config.fragThresh,
5130 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5131 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5132 ai->config.modulation == 0 ? "default" :
5133 ai->config.modulation == MOD_CCK ? "cck" :
5134 ai->config.modulation == MOD_MOK ? "mok" : "error",
5135 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5136 ai->config.preamble == PREAMBLE_LONG ? "long" :
5137 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5138 );
5139 data->readlen = strlen( data->rbuffer );
5140 return 0;
5141 }
5142
5143 static void proc_SSID_on_close( struct inode *inode, struct file *file ) {
5144 struct proc_data *data = (struct proc_data *)file->private_data;
5145 struct proc_dir_entry *dp = PDE(inode);
5146 struct net_device *dev = dp->data;
5147 struct airo_info *ai = dev->priv;
5148 SsidRid SSID_rid;
5149 Resp rsp;
5150 int i;
5151 int offset = 0;
5152
5153 if ( !data->writelen ) return;
5154
5155 memset( &SSID_rid, 0, sizeof( SSID_rid ) );
5156
5157 for( i = 0; i < 3; i++ ) {
5158 int j;
5159 for( j = 0; j+offset < data->writelen && j < 32 &&
5160 data->wbuffer[offset+j] != '\n'; j++ ) {
5161 SSID_rid.ssids[i].ssid[j] = data->wbuffer[offset+j];
5162 }
5163 if ( j == 0 ) break;
5164 SSID_rid.ssids[i].len = j;
5165 offset += j;
5166 while( data->wbuffer[offset] != '\n' &&
5167 offset < data->writelen ) offset++;
5168 offset++;
5169 }
5170 if (i)
5171 SSID_rid.len = sizeof(SSID_rid);
5172 disable_MAC(ai, 1);
5173 writeSsidRid(ai, &SSID_rid, 1);
5174 enable_MAC(ai, &rsp, 1);
5175 }
5176
5177 static inline u8 hexVal(char c) {
5178 if (c>='0' && c<='9') return c -= '0';
5179 if (c>='a' && c<='f') return c -= 'a'-10;
5180 if (c>='A' && c<='F') return c -= 'A'-10;
5181 return 0;
5182 }
5183
5184 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5185 struct proc_data *data = (struct proc_data *)file->private_data;
5186 struct proc_dir_entry *dp = PDE(inode);
5187 struct net_device *dev = dp->data;
5188 struct airo_info *ai = dev->priv;
5189 APListRid APList_rid;
5190 Resp rsp;
5191 int i;
5192
5193 if ( !data->writelen ) return;
5194
5195 memset( &APList_rid, 0, sizeof(APList_rid) );
5196 APList_rid.len = sizeof(APList_rid);
5197
5198 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5199 int j;
5200 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5201 switch(j%3) {
5202 case 0:
5203 APList_rid.ap[i][j/3]=
5204 hexVal(data->wbuffer[j+i*6*3])<<4;
5205 break;
5206 case 1:
5207 APList_rid.ap[i][j/3]|=
5208 hexVal(data->wbuffer[j+i*6*3]);
5209 break;
5210 }
5211 }
5212 }
5213 disable_MAC(ai, 1);
5214 writeAPListRid(ai, &APList_rid, 1);
5215 enable_MAC(ai, &rsp, 1);
5216 }
5217
5218 /* This function wraps PC4500_writerid with a MAC disable */
5219 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5220 int len, int dummy ) {
5221 int rc;
5222 Resp rsp;
5223
5224 disable_MAC(ai, 1);
5225 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5226 enable_MAC(ai, &rsp, 1);
5227 return rc;
5228 }
5229
5230 /* Returns the length of the key at the index. If index == 0xffff
5231 * the index of the transmit key is returned. If the key doesn't exist,
5232 * -1 will be returned.
5233 */
5234 static int get_wep_key(struct airo_info *ai, u16 index) {
5235 WepKeyRid wkr;
5236 int rc;
5237 u16 lastindex;
5238
5239 rc = readWepKeyRid(ai, &wkr, 1, 1);
5240 if (rc == SUCCESS) do {
5241 lastindex = wkr.kindex;
5242 if (wkr.kindex == index) {
5243 if (index == 0xffff) {
5244 return wkr.mac[0];
5245 }
5246 return wkr.klen;
5247 }
5248 readWepKeyRid(ai, &wkr, 0, 1);
5249 } while(lastindex != wkr.kindex);
5250 return -1;
5251 }
5252
5253 static int set_wep_key(struct airo_info *ai, u16 index,
5254 const char *key, u16 keylen, int perm, int lock ) {
5255 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5256 WepKeyRid wkr;
5257 Resp rsp;
5258
5259 memset(&wkr, 0, sizeof(wkr));
5260 if (keylen == 0) {
5261 // We are selecting which key to use
5262 wkr.len = sizeof(wkr);
5263 wkr.kindex = 0xffff;
5264 wkr.mac[0] = (char)index;
5265 if (perm) ai->defindex = (char)index;
5266 } else {
5267 // We are actually setting the key
5268 wkr.len = sizeof(wkr);
5269 wkr.kindex = index;
5270 wkr.klen = keylen;
5271 memcpy( wkr.key, key, keylen );
5272 memcpy( wkr.mac, macaddr, ETH_ALEN );
5273 }
5274
5275 if (perm) disable_MAC(ai, lock);
5276 writeWepKeyRid(ai, &wkr, perm, lock);
5277 if (perm) enable_MAC(ai, &rsp, lock);
5278 return 0;
5279 }
5280
5281 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5282 struct proc_data *data;
5283 struct proc_dir_entry *dp = PDE(inode);
5284 struct net_device *dev = dp->data;
5285 struct airo_info *ai = dev->priv;
5286 int i;
5287 char key[16];
5288 u16 index = 0;
5289 int j = 0;
5290
5291 memset(key, 0, sizeof(key));
5292
5293 data = (struct proc_data *)file->private_data;
5294 if ( !data->writelen ) return;
5295
5296 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5297 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5298 index = data->wbuffer[0] - '0';
5299 if (data->wbuffer[1] == '\n') {
5300 set_wep_key(ai, index, NULL, 0, 1, 1);
5301 return;
5302 }
5303 j = 2;
5304 } else {
5305 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5306 return;
5307 }
5308
5309 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5310 switch(i%3) {
5311 case 0:
5312 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5313 break;
5314 case 1:
5315 key[i/3] |= hexVal(data->wbuffer[i+j]);
5316 break;
5317 }
5318 }
5319 set_wep_key(ai, index, key, i/3, 1, 1);
5320 }
5321
5322 static int proc_wepkey_open( struct inode *inode, struct file *file ) {
5323 struct proc_data *data;
5324 struct proc_dir_entry *dp = PDE(inode);
5325 struct net_device *dev = dp->data;
5326 struct airo_info *ai = dev->priv;
5327 char *ptr;
5328 WepKeyRid wkr;
5329 u16 lastindex;
5330 int j=0;
5331 int rc;
5332
5333 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5334 return -ENOMEM;
5335 memset(&wkr, 0, sizeof(wkr));
5336 data = (struct proc_data *)file->private_data;
5337 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5338 kfree (file->private_data);
5339 return -ENOMEM;
5340 }
5341 data->writelen = 0;
5342 data->maxwritelen = 80;
5343 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5344 kfree (data->rbuffer);
5345 kfree (file->private_data);
5346 return -ENOMEM;
5347 }
5348 data->on_close = proc_wepkey_on_close;
5349
5350 ptr = data->rbuffer;
5351 strcpy(ptr, "No wep keys\n");
5352 rc = readWepKeyRid(ai, &wkr, 1, 1);
5353 if (rc == SUCCESS) do {
5354 lastindex = wkr.kindex;
5355 if (wkr.kindex == 0xffff) {
5356 j += sprintf(ptr+j, "Tx key = %d\n",
5357 (int)wkr.mac[0]);
5358 } else {
5359 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5360 (int)wkr.kindex, (int)wkr.klen);
5361 }
5362 readWepKeyRid(ai, &wkr, 0, 1);
5363 } while((lastindex != wkr.kindex) && (j < 180-30));
5364
5365 data->readlen = strlen( data->rbuffer );
5366 return 0;
5367 }
5368
5369 static int proc_SSID_open( struct inode *inode, struct file *file ) {
5370 struct proc_data *data;
5371 struct proc_dir_entry *dp = PDE(inode);
5372 struct net_device *dev = dp->data;
5373 struct airo_info *ai = dev->priv;
5374 int i;
5375 char *ptr;
5376 SsidRid SSID_rid;
5377
5378 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5379 return -ENOMEM;
5380 data = (struct proc_data *)file->private_data;
5381 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5382 kfree (file->private_data);
5383 return -ENOMEM;
5384 }
5385 data->writelen = 0;
5386 data->maxwritelen = 33*3;
5387 if ((data->wbuffer = kzalloc( 33*3, GFP_KERNEL )) == NULL) {
5388 kfree (data->rbuffer);
5389 kfree (file->private_data);
5390 return -ENOMEM;
5391 }
5392 data->on_close = proc_SSID_on_close;
5393
5394 readSsidRid(ai, &SSID_rid);
5395 ptr = data->rbuffer;
5396 for( i = 0; i < 3; i++ ) {
5397 int j;
5398 if ( !SSID_rid.ssids[i].len ) break;
5399 for( j = 0; j < 32 &&
5400 j < SSID_rid.ssids[i].len &&
5401 SSID_rid.ssids[i].ssid[j]; j++ ) {
5402 *ptr++ = SSID_rid.ssids[i].ssid[j];
5403 }
5404 *ptr++ = '\n';
5405 }
5406 *ptr = '\0';
5407 data->readlen = strlen( data->rbuffer );
5408 return 0;
5409 }
5410
5411 static int proc_APList_open( struct inode *inode, struct file *file ) {
5412 struct proc_data *data;
5413 struct proc_dir_entry *dp = PDE(inode);
5414 struct net_device *dev = dp->data;
5415 struct airo_info *ai = dev->priv;
5416 int i;
5417 char *ptr;
5418 APListRid APList_rid;
5419
5420 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5421 return -ENOMEM;
5422 data = (struct proc_data *)file->private_data;
5423 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5424 kfree (file->private_data);
5425 return -ENOMEM;
5426 }
5427 data->writelen = 0;
5428 data->maxwritelen = 4*6*3;
5429 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5430 kfree (data->rbuffer);
5431 kfree (file->private_data);
5432 return -ENOMEM;
5433 }
5434 data->on_close = proc_APList_on_close;
5435
5436 readAPListRid(ai, &APList_rid);
5437 ptr = data->rbuffer;
5438 for( i = 0; i < 4; i++ ) {
5439 // We end when we find a zero MAC
5440 if ( !*(int*)APList_rid.ap[i] &&
5441 !*(int*)&APList_rid.ap[i][2]) break;
5442 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x\n",
5443 (int)APList_rid.ap[i][0],
5444 (int)APList_rid.ap[i][1],
5445 (int)APList_rid.ap[i][2],
5446 (int)APList_rid.ap[i][3],
5447 (int)APList_rid.ap[i][4],
5448 (int)APList_rid.ap[i][5]);
5449 }
5450 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5451
5452 *ptr = '\0';
5453 data->readlen = strlen( data->rbuffer );
5454 return 0;
5455 }
5456
5457 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5458 struct proc_data *data;
5459 struct proc_dir_entry *dp = PDE(inode);
5460 struct net_device *dev = dp->data;
5461 struct airo_info *ai = dev->priv;
5462 char *ptr;
5463 BSSListRid BSSList_rid;
5464 int rc;
5465 /* If doLoseSync is not 1, we won't do a Lose Sync */
5466 int doLoseSync = -1;
5467
5468 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5469 return -ENOMEM;
5470 data = (struct proc_data *)file->private_data;
5471 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5472 kfree (file->private_data);
5473 return -ENOMEM;
5474 }
5475 data->writelen = 0;
5476 data->maxwritelen = 0;
5477 data->wbuffer = NULL;
5478 data->on_close = NULL;
5479
5480 if (file->f_mode & FMODE_WRITE) {
5481 if (!(file->f_mode & FMODE_READ)) {
5482 Cmd cmd;
5483 Resp rsp;
5484
5485 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5486 memset(&cmd, 0, sizeof(cmd));
5487 cmd.cmd=CMD_LISTBSS;
5488 if (down_interruptible(&ai->sem))
5489 return -ERESTARTSYS;
5490 issuecommand(ai, &cmd, &rsp);
5491 up(&ai->sem);
5492 data->readlen = 0;
5493 return 0;
5494 }
5495 doLoseSync = 1;
5496 }
5497 ptr = data->rbuffer;
5498 /* There is a race condition here if there are concurrent opens.
5499 Since it is a rare condition, we'll just live with it, otherwise
5500 we have to add a spin lock... */
5501 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5502 while(rc == 0 && BSSList_rid.index != 0xffff) {
5503 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x %*s rssi = %d",
5504 (int)BSSList_rid.bssid[0],
5505 (int)BSSList_rid.bssid[1],
5506 (int)BSSList_rid.bssid[2],
5507 (int)BSSList_rid.bssid[3],
5508 (int)BSSList_rid.bssid[4],
5509 (int)BSSList_rid.bssid[5],
5510 (int)BSSList_rid.ssidLen,
5511 BSSList_rid.ssid,
5512 (int)BSSList_rid.dBm);
5513 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5514 (int)BSSList_rid.dsChannel,
5515 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5516 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5517 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5518 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5519 rc = readBSSListRid(ai, 0, &BSSList_rid);
5520 }
5521 *ptr = '\0';
5522 data->readlen = strlen( data->rbuffer );
5523 return 0;
5524 }
5525
5526 static int proc_close( struct inode *inode, struct file *file )
5527 {
5528 struct proc_data *data = file->private_data;
5529
5530 if (data->on_close != NULL)
5531 data->on_close(inode, file);
5532 kfree(data->rbuffer);
5533 kfree(data->wbuffer);
5534 kfree(data);
5535 return 0;
5536 }
5537
5538 static struct net_device_list {
5539 struct net_device *dev;
5540 struct net_device_list *next;
5541 } *airo_devices;
5542
5543 /* Since the card doesn't automatically switch to the right WEP mode,
5544 we will make it do it. If the card isn't associated, every secs we
5545 will switch WEP modes to see if that will help. If the card is
5546 associated we will check every minute to see if anything has
5547 changed. */
5548 static void timer_func( struct net_device *dev ) {
5549 struct airo_info *apriv = dev->priv;
5550 Resp rsp;
5551
5552 /* We don't have a link so try changing the authtype */
5553 readConfigRid(apriv, 0);
5554 disable_MAC(apriv, 0);
5555 switch(apriv->config.authType) {
5556 case AUTH_ENCRYPT:
5557 /* So drop to OPEN */
5558 apriv->config.authType = AUTH_OPEN;
5559 break;
5560 case AUTH_SHAREDKEY:
5561 if (apriv->keyindex < auto_wep) {
5562 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5563 apriv->config.authType = AUTH_SHAREDKEY;
5564 apriv->keyindex++;
5565 } else {
5566 /* Drop to ENCRYPT */
5567 apriv->keyindex = 0;
5568 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5569 apriv->config.authType = AUTH_ENCRYPT;
5570 }
5571 break;
5572 default: /* We'll escalate to SHAREDKEY */
5573 apriv->config.authType = AUTH_SHAREDKEY;
5574 }
5575 set_bit (FLAG_COMMIT, &apriv->flags);
5576 writeConfigRid(apriv, 0);
5577 enable_MAC(apriv, &rsp, 0);
5578 up(&apriv->sem);
5579
5580 /* Schedule check to see if the change worked */
5581 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5582 apriv->expires = RUN_AT(HZ*3);
5583 }
5584
5585 static int add_airo_dev( struct net_device *dev ) {
5586 struct net_device_list *node = kmalloc( sizeof( *node ), GFP_KERNEL );
5587 if ( !node )
5588 return -ENOMEM;
5589
5590 node->dev = dev;
5591 node->next = airo_devices;
5592 airo_devices = node;
5593
5594 return 0;
5595 }
5596
5597 static void del_airo_dev( struct net_device *dev ) {
5598 struct net_device_list **p = &airo_devices;
5599 while( *p && ( (*p)->dev != dev ) )
5600 p = &(*p)->next;
5601 if ( *p && (*p)->dev == dev )
5602 *p = (*p)->next;
5603 }
5604
5605 #ifdef CONFIG_PCI
5606 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5607 const struct pci_device_id *pent)
5608 {
5609 struct net_device *dev;
5610
5611 if (pci_enable_device(pdev))
5612 return -ENODEV;
5613 pci_set_master(pdev);
5614
5615 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5616 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5617 else
5618 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5619 if (!dev)
5620 return -ENODEV;
5621
5622 pci_set_drvdata(pdev, dev);
5623 return 0;
5624 }
5625
5626 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5627 {
5628 }
5629
5630 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5631 {
5632 struct net_device *dev = pci_get_drvdata(pdev);
5633 struct airo_info *ai = dev->priv;
5634 Cmd cmd;
5635 Resp rsp;
5636
5637 if ((ai->APList == NULL) &&
5638 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5639 return -ENOMEM;
5640 if ((ai->SSID == NULL) &&
5641 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5642 return -ENOMEM;
5643 readAPListRid(ai, ai->APList);
5644 readSsidRid(ai, ai->SSID);
5645 memset(&cmd, 0, sizeof(cmd));
5646 /* the lock will be released at the end of the resume callback */
5647 if (down_interruptible(&ai->sem))
5648 return -EAGAIN;
5649 disable_MAC(ai, 0);
5650 netif_device_detach(dev);
5651 ai->power = state;
5652 cmd.cmd=HOSTSLEEP;
5653 issuecommand(ai, &cmd, &rsp);
5654
5655 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5656 pci_save_state(pdev);
5657 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5658 }
5659
5660 static int airo_pci_resume(struct pci_dev *pdev)
5661 {
5662 struct net_device *dev = pci_get_drvdata(pdev);
5663 struct airo_info *ai = dev->priv;
5664 Resp rsp;
5665 pci_power_t prev_state = pdev->current_state;
5666
5667 pci_set_power_state(pdev, PCI_D0);
5668 pci_restore_state(pdev);
5669 pci_enable_wake(pdev, PCI_D0, 0);
5670
5671 if (prev_state != PCI_D1) {
5672 reset_card(dev, 0);
5673 mpi_init_descriptors(ai);
5674 setup_card(ai, dev->dev_addr, 0);
5675 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5676 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5677 } else {
5678 OUT4500(ai, EVACK, EV_AWAKEN);
5679 OUT4500(ai, EVACK, EV_AWAKEN);
5680 msleep(100);
5681 }
5682
5683 set_bit (FLAG_COMMIT, &ai->flags);
5684 disable_MAC(ai, 0);
5685 msleep(200);
5686 if (ai->SSID) {
5687 writeSsidRid(ai, ai->SSID, 0);
5688 kfree(ai->SSID);
5689 ai->SSID = NULL;
5690 }
5691 if (ai->APList) {
5692 writeAPListRid(ai, ai->APList, 0);
5693 kfree(ai->APList);
5694 ai->APList = NULL;
5695 }
5696 writeConfigRid(ai, 0);
5697 enable_MAC(ai, &rsp, 0);
5698 ai->power = PMSG_ON;
5699 netif_device_attach(dev);
5700 netif_wake_queue(dev);
5701 enable_interrupts(ai);
5702 up(&ai->sem);
5703 return 0;
5704 }
5705 #endif
5706
5707 static int __init airo_init_module( void )
5708 {
5709 int i;
5710 #if 0
5711 int have_isa_dev = 0;
5712 #endif
5713
5714 airo_entry = create_proc_entry("aironet",
5715 S_IFDIR | airo_perm,
5716 proc_root_driver);
5717
5718 if (airo_entry) {
5719 airo_entry->uid = proc_uid;
5720 airo_entry->gid = proc_gid;
5721 }
5722
5723 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
5724 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5725 "io=0x%x", irq[i], io[i] );
5726 if (init_airo_card( irq[i], io[i], 0, NULL ))
5727 #if 0
5728 have_isa_dev = 1;
5729 #else
5730 /* do nothing */ ;
5731 #endif
5732 }
5733
5734 #ifdef CONFIG_PCI
5735 airo_print_info("", "Probing for PCI adapters");
5736 i = pci_register_driver(&airo_driver);
5737 airo_print_info("", "Finished probing for PCI adapters");
5738
5739 if (i) {
5740 remove_proc_entry("aironet", proc_root_driver);
5741 return i;
5742 }
5743 #endif
5744
5745 /* Always exit with success, as we are a library module
5746 * as well as a driver module
5747 */
5748 return 0;
5749 }
5750
5751 static void __exit airo_cleanup_module( void )
5752 {
5753 while( airo_devices ) {
5754 airo_print_info(airo_devices->dev->name, "Unregistering...\n");
5755 stop_airo_card( airo_devices->dev, 1 );
5756 }
5757 #ifdef CONFIG_PCI
5758 pci_unregister_driver(&airo_driver);
5759 #endif
5760 remove_proc_entry("aironet", proc_root_driver);
5761 }
5762
5763 /*
5764 * Initial Wireless Extension code for Aironet driver by :
5765 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5766 * Conversion to new driver API by :
5767 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5768 * Javier also did a good amount of work here, adding some new extensions
5769 * and fixing my code. Let's just say that without him this code just
5770 * would not work at all... - Jean II
5771 */
5772
5773 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5774 {
5775 if( !rssi_rid )
5776 return 0;
5777
5778 return (0x100 - rssi_rid[rssi].rssidBm);
5779 }
5780
5781 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5782 {
5783 int i;
5784
5785 if( !rssi_rid )
5786 return 0;
5787
5788 for( i = 0; i < 256; i++ )
5789 if (rssi_rid[i].rssidBm == dbm)
5790 return rssi_rid[i].rssipct;
5791
5792 return 0;
5793 }
5794
5795
5796 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5797 {
5798 int quality = 0;
5799
5800 if ((status_rid->mode & 0x3f) == 0x3f && (cap_rid->hardCap & 8)) {
5801 if (memcmp(cap_rid->prodName, "350", 3))
5802 if (status_rid->signalQuality > 0x20)
5803 quality = 0;
5804 else
5805 quality = 0x20 - status_rid->signalQuality;
5806 else
5807 if (status_rid->signalQuality > 0xb0)
5808 quality = 0;
5809 else if (status_rid->signalQuality < 0x10)
5810 quality = 0xa0;
5811 else
5812 quality = 0xb0 - status_rid->signalQuality;
5813 }
5814 return quality;
5815 }
5816
5817 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5818 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5819
5820 /*------------------------------------------------------------------*/
5821 /*
5822 * Wireless Handler : get protocol name
5823 */
5824 static int airo_get_name(struct net_device *dev,
5825 struct iw_request_info *info,
5826 char *cwrq,
5827 char *extra)
5828 {
5829 strcpy(cwrq, "IEEE 802.11-DS");
5830 return 0;
5831 }
5832
5833 /*------------------------------------------------------------------*/
5834 /*
5835 * Wireless Handler : set frequency
5836 */
5837 static int airo_set_freq(struct net_device *dev,
5838 struct iw_request_info *info,
5839 struct iw_freq *fwrq,
5840 char *extra)
5841 {
5842 struct airo_info *local = dev->priv;
5843 int rc = -EINPROGRESS; /* Call commit handler */
5844
5845 /* If setting by frequency, convert to a channel */
5846 if((fwrq->e == 1) &&
5847 (fwrq->m >= (int) 2.412e8) &&
5848 (fwrq->m <= (int) 2.487e8)) {
5849 int f = fwrq->m / 100000;
5850 int c = 0;
5851 while((c < 14) && (f != frequency_list[c]))
5852 c++;
5853 /* Hack to fall through... */
5854 fwrq->e = 0;
5855 fwrq->m = c + 1;
5856 }
5857 /* Setting by channel number */
5858 if((fwrq->m > 1000) || (fwrq->e > 0))
5859 rc = -EOPNOTSUPP;
5860 else {
5861 int channel = fwrq->m;
5862 /* We should do a better check than that,
5863 * based on the card capability !!! */
5864 if((channel < 1) || (channel > 14)) {
5865 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5866 fwrq->m);
5867 rc = -EINVAL;
5868 } else {
5869 readConfigRid(local, 1);
5870 /* Yes ! We can set it !!! */
5871 local->config.channelSet = (u16) channel;
5872 set_bit (FLAG_COMMIT, &local->flags);
5873 }
5874 }
5875 return rc;
5876 }
5877
5878 /*------------------------------------------------------------------*/
5879 /*
5880 * Wireless Handler : get frequency
5881 */
5882 static int airo_get_freq(struct net_device *dev,
5883 struct iw_request_info *info,
5884 struct iw_freq *fwrq,
5885 char *extra)
5886 {
5887 struct airo_info *local = dev->priv;
5888 StatusRid status_rid; /* Card status info */
5889 int ch;
5890
5891 readConfigRid(local, 1);
5892 if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
5893 status_rid.channel = local->config.channelSet;
5894 else
5895 readStatusRid(local, &status_rid, 1);
5896
5897 ch = (int)status_rid.channel;
5898 if((ch > 0) && (ch < 15)) {
5899 fwrq->m = frequency_list[ch - 1] * 100000;
5900 fwrq->e = 1;
5901 } else {
5902 fwrq->m = ch;
5903 fwrq->e = 0;
5904 }
5905
5906 return 0;
5907 }
5908
5909 /*------------------------------------------------------------------*/
5910 /*
5911 * Wireless Handler : set ESSID
5912 */
5913 static int airo_set_essid(struct net_device *dev,
5914 struct iw_request_info *info,
5915 struct iw_point *dwrq,
5916 char *extra)
5917 {
5918 struct airo_info *local = dev->priv;
5919 Resp rsp;
5920 SsidRid SSID_rid; /* SSIDs */
5921
5922 /* Reload the list of current SSID */
5923 readSsidRid(local, &SSID_rid);
5924
5925 /* Check if we asked for `any' */
5926 if(dwrq->flags == 0) {
5927 /* Just send an empty SSID list */
5928 memset(&SSID_rid, 0, sizeof(SSID_rid));
5929 } else {
5930 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5931
5932 /* Check the size of the string */
5933 if(dwrq->length > IW_ESSID_MAX_SIZE) {
5934 return -E2BIG ;
5935 }
5936 /* Check if index is valid */
5937 if((index < 0) || (index >= 4)) {
5938 return -EINVAL;
5939 }
5940
5941 /* Set the SSID */
5942 memset(SSID_rid.ssids[index].ssid, 0,
5943 sizeof(SSID_rid.ssids[index].ssid));
5944 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5945 SSID_rid.ssids[index].len = dwrq->length;
5946 }
5947 SSID_rid.len = sizeof(SSID_rid);
5948 /* Write it to the card */
5949 disable_MAC(local, 1);
5950 writeSsidRid(local, &SSID_rid, 1);
5951 enable_MAC(local, &rsp, 1);
5952
5953 return 0;
5954 }
5955
5956 /*------------------------------------------------------------------*/
5957 /*
5958 * Wireless Handler : get ESSID
5959 */
5960 static int airo_get_essid(struct net_device *dev,
5961 struct iw_request_info *info,
5962 struct iw_point *dwrq,
5963 char *extra)
5964 {
5965 struct airo_info *local = dev->priv;
5966 StatusRid status_rid; /* Card status info */
5967
5968 readStatusRid(local, &status_rid, 1);
5969
5970 /* Note : if dwrq->flags != 0, we should
5971 * get the relevant SSID from the SSID list... */
5972
5973 /* Get the current SSID */
5974 memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
5975 /* If none, we may want to get the one that was set */
5976
5977 /* Push it out ! */
5978 dwrq->length = status_rid.SSIDlen;
5979 dwrq->flags = 1; /* active */
5980
5981 return 0;
5982 }
5983
5984 /*------------------------------------------------------------------*/
5985 /*
5986 * Wireless Handler : set AP address
5987 */
5988 static int airo_set_wap(struct net_device *dev,
5989 struct iw_request_info *info,
5990 struct sockaddr *awrq,
5991 char *extra)
5992 {
5993 struct airo_info *local = dev->priv;
5994 Cmd cmd;
5995 Resp rsp;
5996 APListRid APList_rid;
5997 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5998 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5999
6000 if (awrq->sa_family != ARPHRD_ETHER)
6001 return -EINVAL;
6002 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
6003 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
6004 memset(&cmd, 0, sizeof(cmd));
6005 cmd.cmd=CMD_LOSE_SYNC;
6006 if (down_interruptible(&local->sem))
6007 return -ERESTARTSYS;
6008 issuecommand(local, &cmd, &rsp);
6009 up(&local->sem);
6010 } else {
6011 memset(&APList_rid, 0, sizeof(APList_rid));
6012 APList_rid.len = sizeof(APList_rid);
6013 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
6014 disable_MAC(local, 1);
6015 writeAPListRid(local, &APList_rid, 1);
6016 enable_MAC(local, &rsp, 1);
6017 }
6018 return 0;
6019 }
6020
6021 /*------------------------------------------------------------------*/
6022 /*
6023 * Wireless Handler : get AP address
6024 */
6025 static int airo_get_wap(struct net_device *dev,
6026 struct iw_request_info *info,
6027 struct sockaddr *awrq,
6028 char *extra)
6029 {
6030 struct airo_info *local = dev->priv;
6031 StatusRid status_rid; /* Card status info */
6032
6033 readStatusRid(local, &status_rid, 1);
6034
6035 /* Tentative. This seems to work, wow, I'm lucky !!! */
6036 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6037 awrq->sa_family = ARPHRD_ETHER;
6038
6039 return 0;
6040 }
6041
6042 /*------------------------------------------------------------------*/
6043 /*
6044 * Wireless Handler : set Nickname
6045 */
6046 static int airo_set_nick(struct net_device *dev,
6047 struct iw_request_info *info,
6048 struct iw_point *dwrq,
6049 char *extra)
6050 {
6051 struct airo_info *local = dev->priv;
6052
6053 /* Check the size of the string */
6054 if(dwrq->length > 16) {
6055 return -E2BIG;
6056 }
6057 readConfigRid(local, 1);
6058 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6059 memcpy(local->config.nodeName, extra, dwrq->length);
6060 set_bit (FLAG_COMMIT, &local->flags);
6061
6062 return -EINPROGRESS; /* Call commit handler */
6063 }
6064
6065 /*------------------------------------------------------------------*/
6066 /*
6067 * Wireless Handler : get Nickname
6068 */
6069 static int airo_get_nick(struct net_device *dev,
6070 struct iw_request_info *info,
6071 struct iw_point *dwrq,
6072 char *extra)
6073 {
6074 struct airo_info *local = dev->priv;
6075
6076 readConfigRid(local, 1);
6077 strncpy(extra, local->config.nodeName, 16);
6078 extra[16] = '\0';
6079 dwrq->length = strlen(extra);
6080
6081 return 0;
6082 }
6083
6084 /*------------------------------------------------------------------*/
6085 /*
6086 * Wireless Handler : set Bit-Rate
6087 */
6088 static int airo_set_rate(struct net_device *dev,
6089 struct iw_request_info *info,
6090 struct iw_param *vwrq,
6091 char *extra)
6092 {
6093 struct airo_info *local = dev->priv;
6094 CapabilityRid cap_rid; /* Card capability info */
6095 u8 brate = 0;
6096 int i;
6097
6098 /* First : get a valid bit rate value */
6099 readCapabilityRid(local, &cap_rid, 1);
6100
6101 /* Which type of value ? */
6102 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6103 /* Setting by rate index */
6104 /* Find value in the magic rate table */
6105 brate = cap_rid.supportedRates[vwrq->value];
6106 } else {
6107 /* Setting by frequency value */
6108 u8 normvalue = (u8) (vwrq->value/500000);
6109
6110 /* Check if rate is valid */
6111 for(i = 0 ; i < 8 ; i++) {
6112 if(normvalue == cap_rid.supportedRates[i]) {
6113 brate = normvalue;
6114 break;
6115 }
6116 }
6117 }
6118 /* -1 designed the max rate (mostly auto mode) */
6119 if(vwrq->value == -1) {
6120 /* Get the highest available rate */
6121 for(i = 0 ; i < 8 ; i++) {
6122 if(cap_rid.supportedRates[i] == 0)
6123 break;
6124 }
6125 if(i != 0)
6126 brate = cap_rid.supportedRates[i - 1];
6127 }
6128 /* Check that it is valid */
6129 if(brate == 0) {
6130 return -EINVAL;
6131 }
6132
6133 readConfigRid(local, 1);
6134 /* Now, check if we want a fixed or auto value */
6135 if(vwrq->fixed == 0) {
6136 /* Fill all the rates up to this max rate */
6137 memset(local->config.rates, 0, 8);
6138 for(i = 0 ; i < 8 ; i++) {
6139 local->config.rates[i] = cap_rid.supportedRates[i];
6140 if(local->config.rates[i] == brate)
6141 break;
6142 }
6143 } else {
6144 /* Fixed mode */
6145 /* One rate, fixed */
6146 memset(local->config.rates, 0, 8);
6147 local->config.rates[0] = brate;
6148 }
6149 set_bit (FLAG_COMMIT, &local->flags);
6150
6151 return -EINPROGRESS; /* Call commit handler */
6152 }
6153
6154 /*------------------------------------------------------------------*/
6155 /*
6156 * Wireless Handler : get Bit-Rate
6157 */
6158 static int airo_get_rate(struct net_device *dev,
6159 struct iw_request_info *info,
6160 struct iw_param *vwrq,
6161 char *extra)
6162 {
6163 struct airo_info *local = dev->priv;
6164 StatusRid status_rid; /* Card status info */
6165
6166 readStatusRid(local, &status_rid, 1);
6167
6168 vwrq->value = status_rid.currentXmitRate * 500000;
6169 /* If more than one rate, set auto */
6170 readConfigRid(local, 1);
6171 vwrq->fixed = (local->config.rates[1] == 0);
6172
6173 return 0;
6174 }
6175
6176 /*------------------------------------------------------------------*/
6177 /*
6178 * Wireless Handler : set RTS threshold
6179 */
6180 static int airo_set_rts(struct net_device *dev,
6181 struct iw_request_info *info,
6182 struct iw_param *vwrq,
6183 char *extra)
6184 {
6185 struct airo_info *local = dev->priv;
6186 int rthr = vwrq->value;
6187
6188 if(vwrq->disabled)
6189 rthr = AIRO_DEF_MTU;
6190 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6191 return -EINVAL;
6192 }
6193 readConfigRid(local, 1);
6194 local->config.rtsThres = rthr;
6195 set_bit (FLAG_COMMIT, &local->flags);
6196
6197 return -EINPROGRESS; /* Call commit handler */
6198 }
6199
6200 /*------------------------------------------------------------------*/
6201 /*
6202 * Wireless Handler : get RTS threshold
6203 */
6204 static int airo_get_rts(struct net_device *dev,
6205 struct iw_request_info *info,
6206 struct iw_param *vwrq,
6207 char *extra)
6208 {
6209 struct airo_info *local = dev->priv;
6210
6211 readConfigRid(local, 1);
6212 vwrq->value = local->config.rtsThres;
6213 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6214 vwrq->fixed = 1;
6215
6216 return 0;
6217 }
6218
6219 /*------------------------------------------------------------------*/
6220 /*
6221 * Wireless Handler : set Fragmentation threshold
6222 */
6223 static int airo_set_frag(struct net_device *dev,
6224 struct iw_request_info *info,
6225 struct iw_param *vwrq,
6226 char *extra)
6227 {
6228 struct airo_info *local = dev->priv;
6229 int fthr = vwrq->value;
6230
6231 if(vwrq->disabled)
6232 fthr = AIRO_DEF_MTU;
6233 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6234 return -EINVAL;
6235 }
6236 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6237 readConfigRid(local, 1);
6238 local->config.fragThresh = (u16)fthr;
6239 set_bit (FLAG_COMMIT, &local->flags);
6240
6241 return -EINPROGRESS; /* Call commit handler */
6242 }
6243
6244 /*------------------------------------------------------------------*/
6245 /*
6246 * Wireless Handler : get Fragmentation threshold
6247 */
6248 static int airo_get_frag(struct net_device *dev,
6249 struct iw_request_info *info,
6250 struct iw_param *vwrq,
6251 char *extra)
6252 {
6253 struct airo_info *local = dev->priv;
6254
6255 readConfigRid(local, 1);
6256 vwrq->value = local->config.fragThresh;
6257 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6258 vwrq->fixed = 1;
6259
6260 return 0;
6261 }
6262
6263 /*------------------------------------------------------------------*/
6264 /*
6265 * Wireless Handler : set Mode of Operation
6266 */
6267 static int airo_set_mode(struct net_device *dev,
6268 struct iw_request_info *info,
6269 __u32 *uwrq,
6270 char *extra)
6271 {
6272 struct airo_info *local = dev->priv;
6273 int reset = 0;
6274
6275 readConfigRid(local, 1);
6276 if ((local->config.rmode & 0xff) >= RXMODE_RFMON)
6277 reset = 1;
6278
6279 switch(*uwrq) {
6280 case IW_MODE_ADHOC:
6281 local->config.opmode &= 0xFF00;
6282 local->config.opmode |= MODE_STA_IBSS;
6283 local->config.rmode &= 0xfe00;
6284 local->config.scanMode = SCANMODE_ACTIVE;
6285 clear_bit (FLAG_802_11, &local->flags);
6286 break;
6287 case IW_MODE_INFRA:
6288 local->config.opmode &= 0xFF00;
6289 local->config.opmode |= MODE_STA_ESS;
6290 local->config.rmode &= 0xfe00;
6291 local->config.scanMode = SCANMODE_ACTIVE;
6292 clear_bit (FLAG_802_11, &local->flags);
6293 break;
6294 case IW_MODE_MASTER:
6295 local->config.opmode &= 0xFF00;
6296 local->config.opmode |= MODE_AP;
6297 local->config.rmode &= 0xfe00;
6298 local->config.scanMode = SCANMODE_ACTIVE;
6299 clear_bit (FLAG_802_11, &local->flags);
6300 break;
6301 case IW_MODE_REPEAT:
6302 local->config.opmode &= 0xFF00;
6303 local->config.opmode |= MODE_AP_RPTR;
6304 local->config.rmode &= 0xfe00;
6305 local->config.scanMode = SCANMODE_ACTIVE;
6306 clear_bit (FLAG_802_11, &local->flags);
6307 break;
6308 case IW_MODE_MONITOR:
6309 local->config.opmode &= 0xFF00;
6310 local->config.opmode |= MODE_STA_ESS;
6311 local->config.rmode &= 0xfe00;
6312 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6313 local->config.scanMode = SCANMODE_PASSIVE;
6314 set_bit (FLAG_802_11, &local->flags);
6315 break;
6316 default:
6317 return -EINVAL;
6318 }
6319 if (reset)
6320 set_bit (FLAG_RESET, &local->flags);
6321 set_bit (FLAG_COMMIT, &local->flags);
6322
6323 return -EINPROGRESS; /* Call commit handler */
6324 }
6325
6326 /*------------------------------------------------------------------*/
6327 /*
6328 * Wireless Handler : get Mode of Operation
6329 */
6330 static int airo_get_mode(struct net_device *dev,
6331 struct iw_request_info *info,
6332 __u32 *uwrq,
6333 char *extra)
6334 {
6335 struct airo_info *local = dev->priv;
6336
6337 readConfigRid(local, 1);
6338 /* If not managed, assume it's ad-hoc */
6339 switch (local->config.opmode & 0xFF) {
6340 case MODE_STA_ESS:
6341 *uwrq = IW_MODE_INFRA;
6342 break;
6343 case MODE_AP:
6344 *uwrq = IW_MODE_MASTER;
6345 break;
6346 case MODE_AP_RPTR:
6347 *uwrq = IW_MODE_REPEAT;
6348 break;
6349 default:
6350 *uwrq = IW_MODE_ADHOC;
6351 }
6352
6353 return 0;
6354 }
6355
6356 /*------------------------------------------------------------------*/
6357 /*
6358 * Wireless Handler : set Encryption Key
6359 */
6360 static int airo_set_encode(struct net_device *dev,
6361 struct iw_request_info *info,
6362 struct iw_point *dwrq,
6363 char *extra)
6364 {
6365 struct airo_info *local = dev->priv;
6366 CapabilityRid cap_rid; /* Card capability info */
6367 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6368 u16 currentAuthType = local->config.authType;
6369
6370 /* Is WEP supported ? */
6371 readCapabilityRid(local, &cap_rid, 1);
6372 /* Older firmware doesn't support this...
6373 if(!(cap_rid.softCap & 2)) {
6374 return -EOPNOTSUPP;
6375 } */
6376 readConfigRid(local, 1);
6377
6378 /* Basic checking: do we have a key to set ?
6379 * Note : with the new API, it's impossible to get a NULL pointer.
6380 * Therefore, we need to check a key size == 0 instead.
6381 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6382 * when no key is present (only change flags), but older versions
6383 * don't do it. - Jean II */
6384 if (dwrq->length > 0) {
6385 wep_key_t key;
6386 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6387 int current_index = get_wep_key(local, 0xffff);
6388 /* Check the size of the key */
6389 if (dwrq->length > MAX_KEY_SIZE) {
6390 return -EINVAL;
6391 }
6392 /* Check the index (none -> use current) */
6393 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4:1)))
6394 index = current_index;
6395 /* Set the length */
6396 if (dwrq->length > MIN_KEY_SIZE)
6397 key.len = MAX_KEY_SIZE;
6398 else
6399 if (dwrq->length > 0)
6400 key.len = MIN_KEY_SIZE;
6401 else
6402 /* Disable the key */
6403 key.len = 0;
6404 /* Check if the key is not marked as invalid */
6405 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6406 /* Cleanup */
6407 memset(key.key, 0, MAX_KEY_SIZE);
6408 /* Copy the key in the driver */
6409 memcpy(key.key, extra, dwrq->length);
6410 /* Send the key to the card */
6411 set_wep_key(local, index, key.key, key.len, perm, 1);
6412 }
6413 /* WE specify that if a valid key is set, encryption
6414 * should be enabled (user may turn it off later)
6415 * This is also how "iwconfig ethX key on" works */
6416 if((index == current_index) && (key.len > 0) &&
6417 (local->config.authType == AUTH_OPEN)) {
6418 local->config.authType = AUTH_ENCRYPT;
6419 }
6420 } else {
6421 /* Do we want to just set the transmit key index ? */
6422 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6423 if ((index >= 0) && (index < ((cap_rid.softCap & 0x80)?4:1))) {
6424 set_wep_key(local, index, NULL, 0, perm, 1);
6425 } else
6426 /* Don't complain if only change the mode */
6427 if(!dwrq->flags & IW_ENCODE_MODE) {
6428 return -EINVAL;
6429 }
6430 }
6431 /* Read the flags */
6432 if(dwrq->flags & IW_ENCODE_DISABLED)
6433 local->config.authType = AUTH_OPEN; // disable encryption
6434 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6435 local->config.authType = AUTH_SHAREDKEY; // Only Both
6436 if(dwrq->flags & IW_ENCODE_OPEN)
6437 local->config.authType = AUTH_ENCRYPT; // Only Wep
6438 /* Commit the changes to flags if needed */
6439 if (local->config.authType != currentAuthType)
6440 set_bit (FLAG_COMMIT, &local->flags);
6441 return -EINPROGRESS; /* Call commit handler */
6442 }
6443
6444 /*------------------------------------------------------------------*/
6445 /*
6446 * Wireless Handler : get Encryption Key
6447 */
6448 static int airo_get_encode(struct net_device *dev,
6449 struct iw_request_info *info,
6450 struct iw_point *dwrq,
6451 char *extra)
6452 {
6453 struct airo_info *local = dev->priv;
6454 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6455 CapabilityRid cap_rid; /* Card capability info */
6456
6457 /* Is it supported ? */
6458 readCapabilityRid(local, &cap_rid, 1);
6459 if(!(cap_rid.softCap & 2)) {
6460 return -EOPNOTSUPP;
6461 }
6462 readConfigRid(local, 1);
6463 /* Check encryption mode */
6464 switch(local->config.authType) {
6465 case AUTH_ENCRYPT:
6466 dwrq->flags = IW_ENCODE_OPEN;
6467 break;
6468 case AUTH_SHAREDKEY:
6469 dwrq->flags = IW_ENCODE_RESTRICTED;
6470 break;
6471 default:
6472 case AUTH_OPEN:
6473 dwrq->flags = IW_ENCODE_DISABLED;
6474 break;
6475 }
6476 /* We can't return the key, so set the proper flag and return zero */
6477 dwrq->flags |= IW_ENCODE_NOKEY;
6478 memset(extra, 0, 16);
6479
6480 /* Which key do we want ? -1 -> tx index */
6481 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4 : 1)))
6482 index = get_wep_key(local, 0xffff);
6483 dwrq->flags |= index + 1;
6484 /* Copy the key to the user buffer */
6485 dwrq->length = get_wep_key(local, index);
6486 if (dwrq->length > 16) {
6487 dwrq->length=0;
6488 }
6489 return 0;
6490 }
6491
6492 /*------------------------------------------------------------------*/
6493 /*
6494 * Wireless Handler : set extended Encryption parameters
6495 */
6496 static int airo_set_encodeext(struct net_device *dev,
6497 struct iw_request_info *info,
6498 union iwreq_data *wrqu,
6499 char *extra)
6500 {
6501 struct airo_info *local = dev->priv;
6502 struct iw_point *encoding = &wrqu->encoding;
6503 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6504 CapabilityRid cap_rid; /* Card capability info */
6505 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6506 u16 currentAuthType = local->config.authType;
6507 int idx, key_len, alg = ext->alg, set_key = 1;
6508 wep_key_t key;
6509
6510 /* Is WEP supported ? */
6511 readCapabilityRid(local, &cap_rid, 1);
6512 /* Older firmware doesn't support this...
6513 if(!(cap_rid.softCap & 2)) {
6514 return -EOPNOTSUPP;
6515 } */
6516 readConfigRid(local, 1);
6517
6518 /* Determine and validate the key index */
6519 idx = encoding->flags & IW_ENCODE_INDEX;
6520 if (idx) {
6521 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6522 return -EINVAL;
6523 idx--;
6524 } else
6525 idx = get_wep_key(local, 0xffff);
6526
6527 if (encoding->flags & IW_ENCODE_DISABLED)
6528 alg = IW_ENCODE_ALG_NONE;
6529
6530 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6531 /* Only set transmit key index here, actual
6532 * key is set below if needed.
6533 */
6534 set_wep_key(local, idx, NULL, 0, perm, 1);
6535 set_key = ext->key_len > 0 ? 1 : 0;
6536 }
6537
6538 if (set_key) {
6539 /* Set the requested key first */
6540 memset(key.key, 0, MAX_KEY_SIZE);
6541 switch (alg) {
6542 case IW_ENCODE_ALG_NONE:
6543 key.len = 0;
6544 break;
6545 case IW_ENCODE_ALG_WEP:
6546 if (ext->key_len > MIN_KEY_SIZE) {
6547 key.len = MAX_KEY_SIZE;
6548 } else if (ext->key_len > 0) {
6549 key.len = MIN_KEY_SIZE;
6550 } else {
6551 return -EINVAL;
6552 }
6553 key_len = min (ext->key_len, key.len);
6554 memcpy(key.key, ext->key, key_len);
6555 break;
6556 default:
6557 return -EINVAL;
6558 }
6559 /* Send the key to the card */
6560 set_wep_key(local, idx, key.key, key.len, perm, 1);
6561 }
6562
6563 /* Read the flags */
6564 if(encoding->flags & IW_ENCODE_DISABLED)
6565 local->config.authType = AUTH_OPEN; // disable encryption
6566 if(encoding->flags & IW_ENCODE_RESTRICTED)
6567 local->config.authType = AUTH_SHAREDKEY; // Only Both
6568 if(encoding->flags & IW_ENCODE_OPEN)
6569 local->config.authType = AUTH_ENCRYPT; // Only Wep
6570 /* Commit the changes to flags if needed */
6571 if (local->config.authType != currentAuthType)
6572 set_bit (FLAG_COMMIT, &local->flags);
6573
6574 return -EINPROGRESS;
6575 }
6576
6577
6578 /*------------------------------------------------------------------*/
6579 /*
6580 * Wireless Handler : get extended Encryption parameters
6581 */
6582 static int airo_get_encodeext(struct net_device *dev,
6583 struct iw_request_info *info,
6584 union iwreq_data *wrqu,
6585 char *extra)
6586 {
6587 struct airo_info *local = dev->priv;
6588 struct iw_point *encoding = &wrqu->encoding;
6589 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6590 CapabilityRid cap_rid; /* Card capability info */
6591 int idx, max_key_len;
6592
6593 /* Is it supported ? */
6594 readCapabilityRid(local, &cap_rid, 1);
6595 if(!(cap_rid.softCap & 2)) {
6596 return -EOPNOTSUPP;
6597 }
6598 readConfigRid(local, 1);
6599
6600 max_key_len = encoding->length - sizeof(*ext);
6601 if (max_key_len < 0)
6602 return -EINVAL;
6603
6604 idx = encoding->flags & IW_ENCODE_INDEX;
6605 if (idx) {
6606 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6607 return -EINVAL;
6608 idx--;
6609 } else
6610 idx = get_wep_key(local, 0xffff);
6611
6612 encoding->flags = idx + 1;
6613 memset(ext, 0, sizeof(*ext));
6614
6615 /* Check encryption mode */
6616 switch(local->config.authType) {
6617 case AUTH_ENCRYPT:
6618 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6619 break;
6620 case AUTH_SHAREDKEY:
6621 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6622 break;
6623 default:
6624 case AUTH_OPEN:
6625 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6626 break;
6627 }
6628 /* We can't return the key, so set the proper flag and return zero */
6629 encoding->flags |= IW_ENCODE_NOKEY;
6630 memset(extra, 0, 16);
6631
6632 /* Copy the key to the user buffer */
6633 ext->key_len = get_wep_key(local, idx);
6634 if (ext->key_len > 16) {
6635 ext->key_len=0;
6636 }
6637
6638 return 0;
6639 }
6640
6641
6642 /*------------------------------------------------------------------*/
6643 /*
6644 * Wireless Handler : set extended authentication parameters
6645 */
6646 static int airo_set_auth(struct net_device *dev,
6647 struct iw_request_info *info,
6648 union iwreq_data *wrqu, char *extra)
6649 {
6650 struct airo_info *local = dev->priv;
6651 struct iw_param *param = &wrqu->param;
6652 u16 currentAuthType = local->config.authType;
6653
6654 switch (param->flags & IW_AUTH_INDEX) {
6655 case IW_AUTH_WPA_VERSION:
6656 case IW_AUTH_CIPHER_PAIRWISE:
6657 case IW_AUTH_CIPHER_GROUP:
6658 case IW_AUTH_KEY_MGMT:
6659 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6660 case IW_AUTH_PRIVACY_INVOKED:
6661 /*
6662 * airo does not use these parameters
6663 */
6664 break;
6665
6666 case IW_AUTH_DROP_UNENCRYPTED:
6667 if (param->value) {
6668 /* Only change auth type if unencrypted */
6669 if (currentAuthType == AUTH_OPEN)
6670 local->config.authType = AUTH_ENCRYPT;
6671 } else {
6672 local->config.authType = AUTH_OPEN;
6673 }
6674
6675 /* Commit the changes to flags if needed */
6676 if (local->config.authType != currentAuthType)
6677 set_bit (FLAG_COMMIT, &local->flags);
6678 break;
6679
6680 case IW_AUTH_80211_AUTH_ALG: {
6681 /* FIXME: What about AUTH_OPEN? This API seems to
6682 * disallow setting our auth to AUTH_OPEN.
6683 */
6684 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6685 local->config.authType = AUTH_SHAREDKEY;
6686 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6687 local->config.authType = AUTH_ENCRYPT;
6688 } else
6689 return -EINVAL;
6690 break;
6691
6692 /* Commit the changes to flags if needed */
6693 if (local->config.authType != currentAuthType)
6694 set_bit (FLAG_COMMIT, &local->flags);
6695 }
6696
6697 case IW_AUTH_WPA_ENABLED:
6698 /* Silently accept disable of WPA */
6699 if (param->value > 0)
6700 return -EOPNOTSUPP;
6701 break;
6702
6703 default:
6704 return -EOPNOTSUPP;
6705 }
6706 return -EINPROGRESS;
6707 }
6708
6709
6710 /*------------------------------------------------------------------*/
6711 /*
6712 * Wireless Handler : get extended authentication parameters
6713 */
6714 static int airo_get_auth(struct net_device *dev,
6715 struct iw_request_info *info,
6716 union iwreq_data *wrqu, char *extra)
6717 {
6718 struct airo_info *local = dev->priv;
6719 struct iw_param *param = &wrqu->param;
6720 u16 currentAuthType = local->config.authType;
6721
6722 switch (param->flags & IW_AUTH_INDEX) {
6723 case IW_AUTH_DROP_UNENCRYPTED:
6724 switch (currentAuthType) {
6725 case AUTH_SHAREDKEY:
6726 case AUTH_ENCRYPT:
6727 param->value = 1;
6728 break;
6729 default:
6730 param->value = 0;
6731 break;
6732 }
6733 break;
6734
6735 case IW_AUTH_80211_AUTH_ALG:
6736 switch (currentAuthType) {
6737 case AUTH_SHAREDKEY:
6738 param->value = IW_AUTH_ALG_SHARED_KEY;
6739 break;
6740 case AUTH_ENCRYPT:
6741 default:
6742 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6743 break;
6744 }
6745 break;
6746
6747 case IW_AUTH_WPA_ENABLED:
6748 param->value = 0;
6749 break;
6750
6751 default:
6752 return -EOPNOTSUPP;
6753 }
6754 return 0;
6755 }
6756
6757
6758 /*------------------------------------------------------------------*/
6759 /*
6760 * Wireless Handler : set Tx-Power
6761 */
6762 static int airo_set_txpow(struct net_device *dev,
6763 struct iw_request_info *info,
6764 struct iw_param *vwrq,
6765 char *extra)
6766 {
6767 struct airo_info *local = dev->priv;
6768 CapabilityRid cap_rid; /* Card capability info */
6769 int i;
6770 int rc = -EINVAL;
6771
6772 readCapabilityRid(local, &cap_rid, 1);
6773
6774 if (vwrq->disabled) {
6775 set_bit (FLAG_RADIO_OFF, &local->flags);
6776 set_bit (FLAG_COMMIT, &local->flags);
6777 return -EINPROGRESS; /* Call commit handler */
6778 }
6779 if (vwrq->flags != IW_TXPOW_MWATT) {
6780 return -EINVAL;
6781 }
6782 clear_bit (FLAG_RADIO_OFF, &local->flags);
6783 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6784 if ((vwrq->value==cap_rid.txPowerLevels[i])) {
6785 readConfigRid(local, 1);
6786 local->config.txPower = vwrq->value;
6787 set_bit (FLAG_COMMIT, &local->flags);
6788 rc = -EINPROGRESS; /* Call commit handler */
6789 break;
6790 }
6791 return rc;
6792 }
6793
6794 /*------------------------------------------------------------------*/
6795 /*
6796 * Wireless Handler : get Tx-Power
6797 */
6798 static int airo_get_txpow(struct net_device *dev,
6799 struct iw_request_info *info,
6800 struct iw_param *vwrq,
6801 char *extra)
6802 {
6803 struct airo_info *local = dev->priv;
6804
6805 readConfigRid(local, 1);
6806 vwrq->value = local->config.txPower;
6807 vwrq->fixed = 1; /* No power control */
6808 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6809 vwrq->flags = IW_TXPOW_MWATT;
6810
6811 return 0;
6812 }
6813
6814 /*------------------------------------------------------------------*/
6815 /*
6816 * Wireless Handler : set Retry limits
6817 */
6818 static int airo_set_retry(struct net_device *dev,
6819 struct iw_request_info *info,
6820 struct iw_param *vwrq,
6821 char *extra)
6822 {
6823 struct airo_info *local = dev->priv;
6824 int rc = -EINVAL;
6825
6826 if(vwrq->disabled) {
6827 return -EINVAL;
6828 }
6829 readConfigRid(local, 1);
6830 if(vwrq->flags & IW_RETRY_LIMIT) {
6831 if(vwrq->flags & IW_RETRY_LONG)
6832 local->config.longRetryLimit = vwrq->value;
6833 else if (vwrq->flags & IW_RETRY_SHORT)
6834 local->config.shortRetryLimit = vwrq->value;
6835 else {
6836 /* No modifier : set both */
6837 local->config.longRetryLimit = vwrq->value;
6838 local->config.shortRetryLimit = vwrq->value;
6839 }
6840 set_bit (FLAG_COMMIT, &local->flags);
6841 rc = -EINPROGRESS; /* Call commit handler */
6842 }
6843 if(vwrq->flags & IW_RETRY_LIFETIME) {
6844 local->config.txLifetime = vwrq->value / 1024;
6845 set_bit (FLAG_COMMIT, &local->flags);
6846 rc = -EINPROGRESS; /* Call commit handler */
6847 }
6848 return rc;
6849 }
6850
6851 /*------------------------------------------------------------------*/
6852 /*
6853 * Wireless Handler : get Retry limits
6854 */
6855 static int airo_get_retry(struct net_device *dev,
6856 struct iw_request_info *info,
6857 struct iw_param *vwrq,
6858 char *extra)
6859 {
6860 struct airo_info *local = dev->priv;
6861
6862 vwrq->disabled = 0; /* Can't be disabled */
6863
6864 readConfigRid(local, 1);
6865 /* Note : by default, display the min retry number */
6866 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6867 vwrq->flags = IW_RETRY_LIFETIME;
6868 vwrq->value = (int)local->config.txLifetime * 1024;
6869 } else if((vwrq->flags & IW_RETRY_LONG)) {
6870 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6871 vwrq->value = (int)local->config.longRetryLimit;
6872 } else {
6873 vwrq->flags = IW_RETRY_LIMIT;
6874 vwrq->value = (int)local->config.shortRetryLimit;
6875 if((int)local->config.shortRetryLimit != (int)local->config.longRetryLimit)
6876 vwrq->flags |= IW_RETRY_SHORT;
6877 }
6878
6879 return 0;
6880 }
6881
6882 /*------------------------------------------------------------------*/
6883 /*
6884 * Wireless Handler : get range info
6885 */
6886 static int airo_get_range(struct net_device *dev,
6887 struct iw_request_info *info,
6888 struct iw_point *dwrq,
6889 char *extra)
6890 {
6891 struct airo_info *local = dev->priv;
6892 struct iw_range *range = (struct iw_range *) extra;
6893 CapabilityRid cap_rid; /* Card capability info */
6894 int i;
6895 int k;
6896
6897 readCapabilityRid(local, &cap_rid, 1);
6898
6899 dwrq->length = sizeof(struct iw_range);
6900 memset(range, 0, sizeof(*range));
6901 range->min_nwid = 0x0000;
6902 range->max_nwid = 0x0000;
6903 range->num_channels = 14;
6904 /* Should be based on cap_rid.country to give only
6905 * what the current card support */
6906 k = 0;
6907 for(i = 0; i < 14; i++) {
6908 range->freq[k].i = i + 1; /* List index */
6909 range->freq[k].m = frequency_list[i] * 100000;
6910 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6911 }
6912 range->num_frequency = k;
6913
6914 range->sensitivity = 65535;
6915
6916 /* Hum... Should put the right values there */
6917 if (local->rssi)
6918 range->max_qual.qual = 100; /* % */
6919 else
6920 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6921 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6922 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6923
6924 /* Experimental measurements - boundary 11/5.5 Mb/s */
6925 /* Note : with or without the (local->rssi), results
6926 * are somewhat different. - Jean II */
6927 if (local->rssi) {
6928 range->avg_qual.qual = 50; /* % */
6929 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6930 } else {
6931 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6932 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6933 }
6934 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6935
6936 for(i = 0 ; i < 8 ; i++) {
6937 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6938 if(range->bitrate[i] == 0)
6939 break;
6940 }
6941 range->num_bitrates = i;
6942
6943 /* Set an indication of the max TCP throughput
6944 * in bit/s that we can expect using this interface.
6945 * May be use for QoS stuff... Jean II */
6946 if(i > 2)
6947 range->throughput = 5000 * 1000;
6948 else
6949 range->throughput = 1500 * 1000;
6950
6951 range->min_rts = 0;
6952 range->max_rts = AIRO_DEF_MTU;
6953 range->min_frag = 256;
6954 range->max_frag = AIRO_DEF_MTU;
6955
6956 if(cap_rid.softCap & 2) {
6957 // WEP: RC4 40 bits
6958 range->encoding_size[0] = 5;
6959 // RC4 ~128 bits
6960 if (cap_rid.softCap & 0x100) {
6961 range->encoding_size[1] = 13;
6962 range->num_encoding_sizes = 2;
6963 } else
6964 range->num_encoding_sizes = 1;
6965 range->max_encoding_tokens = (cap_rid.softCap & 0x80) ? 4 : 1;
6966 } else {
6967 range->num_encoding_sizes = 0;
6968 range->max_encoding_tokens = 0;
6969 }
6970 range->min_pmp = 0;
6971 range->max_pmp = 5000000; /* 5 secs */
6972 range->min_pmt = 0;
6973 range->max_pmt = 65535 * 1024; /* ??? */
6974 range->pmp_flags = IW_POWER_PERIOD;
6975 range->pmt_flags = IW_POWER_TIMEOUT;
6976 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6977
6978 /* Transmit Power - values are in mW */
6979 for(i = 0 ; i < 8 ; i++) {
6980 range->txpower[i] = cap_rid.txPowerLevels[i];
6981 if(range->txpower[i] == 0)
6982 break;
6983 }
6984 range->num_txpower = i;
6985 range->txpower_capa = IW_TXPOW_MWATT;
6986 range->we_version_source = 19;
6987 range->we_version_compiled = WIRELESS_EXT;
6988 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6989 range->retry_flags = IW_RETRY_LIMIT;
6990 range->r_time_flags = IW_RETRY_LIFETIME;
6991 range->min_retry = 1;
6992 range->max_retry = 65535;
6993 range->min_r_time = 1024;
6994 range->max_r_time = 65535 * 1024;
6995
6996 /* Event capability (kernel + driver) */
6997 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6998 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6999 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
7000 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
7001 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7002 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7003 return 0;
7004 }
7005
7006 /*------------------------------------------------------------------*/
7007 /*
7008 * Wireless Handler : set Power Management
7009 */
7010 static int airo_set_power(struct net_device *dev,
7011 struct iw_request_info *info,
7012 struct iw_param *vwrq,
7013 char *extra)
7014 {
7015 struct airo_info *local = dev->priv;
7016
7017 readConfigRid(local, 1);
7018 if (vwrq->disabled) {
7019 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7020 return -EINVAL;
7021 }
7022 local->config.powerSaveMode = POWERSAVE_CAM;
7023 local->config.rmode &= 0xFF00;
7024 local->config.rmode |= RXMODE_BC_MC_ADDR;
7025 set_bit (FLAG_COMMIT, &local->flags);
7026 return -EINPROGRESS; /* Call commit handler */
7027 }
7028 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7029 local->config.fastListenDelay = (vwrq->value + 500) / 1024;
7030 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7031 set_bit (FLAG_COMMIT, &local->flags);
7032 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7033 local->config.fastListenInterval = local->config.listenInterval = (vwrq->value + 500) / 1024;
7034 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7035 set_bit (FLAG_COMMIT, &local->flags);
7036 }
7037 switch (vwrq->flags & IW_POWER_MODE) {
7038 case IW_POWER_UNICAST_R:
7039 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7040 return -EINVAL;
7041 }
7042 local->config.rmode &= 0xFF00;
7043 local->config.rmode |= RXMODE_ADDR;
7044 set_bit (FLAG_COMMIT, &local->flags);
7045 break;
7046 case IW_POWER_ALL_R:
7047 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7048 return -EINVAL;
7049 }
7050 local->config.rmode &= 0xFF00;
7051 local->config.rmode |= RXMODE_BC_MC_ADDR;
7052 set_bit (FLAG_COMMIT, &local->flags);
7053 case IW_POWER_ON:
7054 /* This is broken, fixme ;-) */
7055 break;
7056 default:
7057 return -EINVAL;
7058 }
7059 // Note : we may want to factor local->need_commit here
7060 // Note2 : may also want to factor RXMODE_RFMON test
7061 return -EINPROGRESS; /* Call commit handler */
7062 }
7063
7064 /*------------------------------------------------------------------*/
7065 /*
7066 * Wireless Handler : get Power Management
7067 */
7068 static int airo_get_power(struct net_device *dev,
7069 struct iw_request_info *info,
7070 struct iw_param *vwrq,
7071 char *extra)
7072 {
7073 struct airo_info *local = dev->priv;
7074 int mode;
7075
7076 readConfigRid(local, 1);
7077 mode = local->config.powerSaveMode;
7078 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7079 return 0;
7080 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7081 vwrq->value = (int)local->config.fastListenDelay * 1024;
7082 vwrq->flags = IW_POWER_TIMEOUT;
7083 } else {
7084 vwrq->value = (int)local->config.fastListenInterval * 1024;
7085 vwrq->flags = IW_POWER_PERIOD;
7086 }
7087 if ((local->config.rmode & 0xFF) == RXMODE_ADDR)
7088 vwrq->flags |= IW_POWER_UNICAST_R;
7089 else
7090 vwrq->flags |= IW_POWER_ALL_R;
7091
7092 return 0;
7093 }
7094
7095 /*------------------------------------------------------------------*/
7096 /*
7097 * Wireless Handler : set Sensitivity
7098 */
7099 static int airo_set_sens(struct net_device *dev,
7100 struct iw_request_info *info,
7101 struct iw_param *vwrq,
7102 char *extra)
7103 {
7104 struct airo_info *local = dev->priv;
7105
7106 readConfigRid(local, 1);
7107 local->config.rssiThreshold = vwrq->disabled ? RSSI_DEFAULT : vwrq->value;
7108 set_bit (FLAG_COMMIT, &local->flags);
7109
7110 return -EINPROGRESS; /* Call commit handler */
7111 }
7112
7113 /*------------------------------------------------------------------*/
7114 /*
7115 * Wireless Handler : get Sensitivity
7116 */
7117 static int airo_get_sens(struct net_device *dev,
7118 struct iw_request_info *info,
7119 struct iw_param *vwrq,
7120 char *extra)
7121 {
7122 struct airo_info *local = dev->priv;
7123
7124 readConfigRid(local, 1);
7125 vwrq->value = local->config.rssiThreshold;
7126 vwrq->disabled = (vwrq->value == 0);
7127 vwrq->fixed = 1;
7128
7129 return 0;
7130 }
7131
7132 /*------------------------------------------------------------------*/
7133 /*
7134 * Wireless Handler : get AP List
7135 * Note : this is deprecated in favor of IWSCAN
7136 */
7137 static int airo_get_aplist(struct net_device *dev,
7138 struct iw_request_info *info,
7139 struct iw_point *dwrq,
7140 char *extra)
7141 {
7142 struct airo_info *local = dev->priv;
7143 struct sockaddr *address = (struct sockaddr *) extra;
7144 struct iw_quality qual[IW_MAX_AP];
7145 BSSListRid BSSList;
7146 int i;
7147 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7148
7149 for (i = 0; i < IW_MAX_AP; i++) {
7150 if (readBSSListRid(local, loseSync, &BSSList))
7151 break;
7152 loseSync = 0;
7153 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7154 address[i].sa_family = ARPHRD_ETHER;
7155 if (local->rssi) {
7156 qual[i].level = 0x100 - BSSList.dBm;
7157 qual[i].qual = airo_dbm_to_pct( local->rssi, BSSList.dBm );
7158 qual[i].updated = IW_QUAL_QUAL_UPDATED
7159 | IW_QUAL_LEVEL_UPDATED
7160 | IW_QUAL_DBM;
7161 } else {
7162 qual[i].level = (BSSList.dBm + 321) / 2;
7163 qual[i].qual = 0;
7164 qual[i].updated = IW_QUAL_QUAL_INVALID
7165 | IW_QUAL_LEVEL_UPDATED
7166 | IW_QUAL_DBM;
7167 }
7168 qual[i].noise = local->wstats.qual.noise;
7169 if (BSSList.index == 0xffff)
7170 break;
7171 }
7172 if (!i) {
7173 StatusRid status_rid; /* Card status info */
7174 readStatusRid(local, &status_rid, 1);
7175 for (i = 0;
7176 i < min(IW_MAX_AP, 4) &&
7177 (status_rid.bssid[i][0]
7178 & status_rid.bssid[i][1]
7179 & status_rid.bssid[i][2]
7180 & status_rid.bssid[i][3]
7181 & status_rid.bssid[i][4]
7182 & status_rid.bssid[i][5])!=0xff &&
7183 (status_rid.bssid[i][0]
7184 | status_rid.bssid[i][1]
7185 | status_rid.bssid[i][2]
7186 | status_rid.bssid[i][3]
7187 | status_rid.bssid[i][4]
7188 | status_rid.bssid[i][5]);
7189 i++) {
7190 memcpy(address[i].sa_data,
7191 status_rid.bssid[i], ETH_ALEN);
7192 address[i].sa_family = ARPHRD_ETHER;
7193 }
7194 } else {
7195 dwrq->flags = 1; /* Should be define'd */
7196 memcpy(extra + sizeof(struct sockaddr)*i,
7197 &qual, sizeof(struct iw_quality)*i);
7198 }
7199 dwrq->length = i;
7200
7201 return 0;
7202 }
7203
7204 /*------------------------------------------------------------------*/
7205 /*
7206 * Wireless Handler : Initiate Scan
7207 */
7208 static int airo_set_scan(struct net_device *dev,
7209 struct iw_request_info *info,
7210 struct iw_param *vwrq,
7211 char *extra)
7212 {
7213 struct airo_info *ai = dev->priv;
7214 Cmd cmd;
7215 Resp rsp;
7216 int wake = 0;
7217
7218 /* Note : you may have realised that, as this is a SET operation,
7219 * this is privileged and therefore a normal user can't
7220 * perform scanning.
7221 * This is not an error, while the device perform scanning,
7222 * traffic doesn't flow, so it's a perfect DoS...
7223 * Jean II */
7224 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7225
7226 if (down_interruptible(&ai->sem))
7227 return -ERESTARTSYS;
7228
7229 /* If there's already a scan in progress, don't
7230 * trigger another one. */
7231 if (ai->scan_timeout > 0)
7232 goto out;
7233
7234 /* Initiate a scan command */
7235 ai->scan_timeout = RUN_AT(3*HZ);
7236 memset(&cmd, 0, sizeof(cmd));
7237 cmd.cmd=CMD_LISTBSS;
7238 issuecommand(ai, &cmd, &rsp);
7239 wake = 1;
7240
7241 out:
7242 up(&ai->sem);
7243 if (wake)
7244 wake_up_interruptible(&ai->thr_wait);
7245 return 0;
7246 }
7247
7248 /*------------------------------------------------------------------*/
7249 /*
7250 * Translate scan data returned from the card to a card independent
7251 * format that the Wireless Tools will understand - Jean II
7252 */
7253 static inline char *airo_translate_scan(struct net_device *dev,
7254 char *current_ev,
7255 char *end_buf,
7256 BSSListRid *bss)
7257 {
7258 struct airo_info *ai = dev->priv;
7259 struct iw_event iwe; /* Temporary buffer */
7260 u16 capabilities;
7261 char * current_val; /* For rates */
7262 int i;
7263 char * buf;
7264
7265 /* First entry *MUST* be the AP MAC address */
7266 iwe.cmd = SIOCGIWAP;
7267 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7268 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7269 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
7270
7271 /* Other entries will be displayed in the order we give them */
7272
7273 /* Add the ESSID */
7274 iwe.u.data.length = bss->ssidLen;
7275 if(iwe.u.data.length > 32)
7276 iwe.u.data.length = 32;
7277 iwe.cmd = SIOCGIWESSID;
7278 iwe.u.data.flags = 1;
7279 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7280
7281 /* Add mode */
7282 iwe.cmd = SIOCGIWMODE;
7283 capabilities = le16_to_cpu(bss->cap);
7284 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7285 if(capabilities & CAP_ESS)
7286 iwe.u.mode = IW_MODE_MASTER;
7287 else
7288 iwe.u.mode = IW_MODE_ADHOC;
7289 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
7290 }
7291
7292 /* Add frequency */
7293 iwe.cmd = SIOCGIWFREQ;
7294 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7295 /* iwe.u.freq.m containt the channel (starting 1), our
7296 * frequency_list array start at index 0...
7297 */
7298 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
7299 iwe.u.freq.e = 1;
7300 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
7301
7302 /* Add quality statistics */
7303 iwe.cmd = IWEVQUAL;
7304 if (ai->rssi) {
7305 iwe.u.qual.level = 0x100 - bss->dBm;
7306 iwe.u.qual.qual = airo_dbm_to_pct( ai->rssi, bss->dBm );
7307 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7308 | IW_QUAL_LEVEL_UPDATED
7309 | IW_QUAL_DBM;
7310 } else {
7311 iwe.u.qual.level = (bss->dBm + 321) / 2;
7312 iwe.u.qual.qual = 0;
7313 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7314 | IW_QUAL_LEVEL_UPDATED
7315 | IW_QUAL_DBM;
7316 }
7317 iwe.u.qual.noise = ai->wstats.qual.noise;
7318 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
7319
7320 /* Add encryption capability */
7321 iwe.cmd = SIOCGIWENCODE;
7322 if(capabilities & CAP_PRIVACY)
7323 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7324 else
7325 iwe.u.data.flags = IW_ENCODE_DISABLED;
7326 iwe.u.data.length = 0;
7327 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7328
7329 /* Rate : stuffing multiple values in a single event require a bit
7330 * more of magic - Jean II */
7331 current_val = current_ev + IW_EV_LCP_LEN;
7332
7333 iwe.cmd = SIOCGIWRATE;
7334 /* Those two flags are ignored... */
7335 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7336 /* Max 8 values */
7337 for(i = 0 ; i < 8 ; i++) {
7338 /* NULL terminated */
7339 if(bss->rates[i] == 0)
7340 break;
7341 /* Bit rate given in 500 kb/s units (+ 0x80) */
7342 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7343 /* Add new value to event */
7344 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
7345 }
7346 /* Check if we added any event */
7347 if((current_val - current_ev) > IW_EV_LCP_LEN)
7348 current_ev = current_val;
7349
7350 /* Beacon interval */
7351 buf = kmalloc(30, GFP_KERNEL);
7352 if (buf) {
7353 iwe.cmd = IWEVCUSTOM;
7354 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7355 iwe.u.data.length = strlen(buf);
7356 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, buf);
7357 kfree(buf);
7358 }
7359
7360 /* Put WPA/RSN Information Elements into the event stream */
7361 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7362 unsigned int num_null_ies = 0;
7363 u16 length = sizeof (bss->extra.iep);
7364 struct ieee80211_info_element *info_element =
7365 (struct ieee80211_info_element *) &bss->extra.iep;
7366
7367 while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) {
7368 if (sizeof(*info_element) + info_element->len > length) {
7369 /* Invalid element, don't continue parsing IE */
7370 break;
7371 }
7372
7373 switch (info_element->id) {
7374 case MFIE_TYPE_SSID:
7375 /* Two zero-length SSID elements
7376 * mean we're done parsing elements */
7377 if (!info_element->len)
7378 num_null_ies++;
7379 break;
7380
7381 case MFIE_TYPE_GENERIC:
7382 if (info_element->len >= 4 &&
7383 info_element->data[0] == 0x00 &&
7384 info_element->data[1] == 0x50 &&
7385 info_element->data[2] == 0xf2 &&
7386 info_element->data[3] == 0x01) {
7387 iwe.cmd = IWEVGENIE;
7388 iwe.u.data.length = min(info_element->len + 2,
7389 MAX_WPA_IE_LEN);
7390 current_ev = iwe_stream_add_point(current_ev, end_buf,
7391 &iwe, (char *) info_element);
7392 }
7393 break;
7394
7395 case MFIE_TYPE_RSN:
7396 iwe.cmd = IWEVGENIE;
7397 iwe.u.data.length = min(info_element->len + 2,
7398 MAX_WPA_IE_LEN);
7399 current_ev = iwe_stream_add_point(current_ev, end_buf,
7400 &iwe, (char *) info_element);
7401 break;
7402
7403 default:
7404 break;
7405 }
7406
7407 length -= sizeof(*info_element) + info_element->len;
7408 info_element =
7409 (struct ieee80211_info_element *)&info_element->
7410 data[info_element->len];
7411 }
7412 }
7413 return current_ev;
7414 }
7415
7416 /*------------------------------------------------------------------*/
7417 /*
7418 * Wireless Handler : Read Scan Results
7419 */
7420 static int airo_get_scan(struct net_device *dev,
7421 struct iw_request_info *info,
7422 struct iw_point *dwrq,
7423 char *extra)
7424 {
7425 struct airo_info *ai = dev->priv;
7426 BSSListElement *net;
7427 int err = 0;
7428 char *current_ev = extra;
7429
7430 /* If a scan is in-progress, return -EAGAIN */
7431 if (ai->scan_timeout > 0)
7432 return -EAGAIN;
7433
7434 if (down_interruptible(&ai->sem))
7435 return -EAGAIN;
7436
7437 list_for_each_entry (net, &ai->network_list, list) {
7438 /* Translate to WE format this entry */
7439 current_ev = airo_translate_scan(dev, current_ev,
7440 extra + dwrq->length,
7441 &net->bss);
7442
7443 /* Check if there is space for one more entry */
7444 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7445 /* Ask user space to try again with a bigger buffer */
7446 err = -E2BIG;
7447 goto out;
7448 }
7449 }
7450
7451 /* Length of data */
7452 dwrq->length = (current_ev - extra);
7453 dwrq->flags = 0; /* todo */
7454
7455 out:
7456 up(&ai->sem);
7457 return err;
7458 }
7459
7460 /*------------------------------------------------------------------*/
7461 /*
7462 * Commit handler : called after a bunch of SET operations
7463 */
7464 static int airo_config_commit(struct net_device *dev,
7465 struct iw_request_info *info, /* NULL */
7466 void *zwrq, /* NULL */
7467 char *extra) /* NULL */
7468 {
7469 struct airo_info *local = dev->priv;
7470 Resp rsp;
7471
7472 if (!test_bit (FLAG_COMMIT, &local->flags))
7473 return 0;
7474
7475 /* Some of the "SET" function may have modified some of the
7476 * parameters. It's now time to commit them in the card */
7477 disable_MAC(local, 1);
7478 if (test_bit (FLAG_RESET, &local->flags)) {
7479 APListRid APList_rid;
7480 SsidRid SSID_rid;
7481
7482 readAPListRid(local, &APList_rid);
7483 readSsidRid(local, &SSID_rid);
7484 if (test_bit(FLAG_MPI,&local->flags))
7485 setup_card(local, dev->dev_addr, 1 );
7486 else
7487 reset_airo_card(dev);
7488 disable_MAC(local, 1);
7489 writeSsidRid(local, &SSID_rid, 1);
7490 writeAPListRid(local, &APList_rid, 1);
7491 }
7492 if (down_interruptible(&local->sem))
7493 return -ERESTARTSYS;
7494 writeConfigRid(local, 0);
7495 enable_MAC(local, &rsp, 0);
7496 if (test_bit (FLAG_RESET, &local->flags))
7497 airo_set_promisc(local);
7498 else
7499 up(&local->sem);
7500
7501 return 0;
7502 }
7503
7504 /*------------------------------------------------------------------*/
7505 /*
7506 * Structures to export the Wireless Handlers
7507 */
7508
7509 static const struct iw_priv_args airo_private_args[] = {
7510 /*{ cmd, set_args, get_args, name } */
7511 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7512 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7513 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7514 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7515 };
7516
7517 static const iw_handler airo_handler[] =
7518 {
7519 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7520 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7521 (iw_handler) NULL, /* SIOCSIWNWID */
7522 (iw_handler) NULL, /* SIOCGIWNWID */
7523 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7524 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7525 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7526 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7527 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7528 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7529 (iw_handler) NULL, /* SIOCSIWRANGE */
7530 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7531 (iw_handler) NULL, /* SIOCSIWPRIV */
7532 (iw_handler) NULL, /* SIOCGIWPRIV */
7533 (iw_handler) NULL, /* SIOCSIWSTATS */
7534 (iw_handler) NULL, /* SIOCGIWSTATS */
7535 iw_handler_set_spy, /* SIOCSIWSPY */
7536 iw_handler_get_spy, /* SIOCGIWSPY */
7537 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7538 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7539 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7540 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7541 (iw_handler) NULL, /* -- hole -- */
7542 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7543 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7544 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7545 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7546 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7547 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7548 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7549 (iw_handler) NULL, /* -- hole -- */
7550 (iw_handler) NULL, /* -- hole -- */
7551 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7552 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7553 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7554 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7555 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7556 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7557 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7558 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7559 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7560 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7561 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7562 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7563 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7564 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7565 (iw_handler) NULL, /* -- hole -- */
7566 (iw_handler) NULL, /* -- hole -- */
7567 (iw_handler) NULL, /* SIOCSIWGENIE */
7568 (iw_handler) NULL, /* SIOCGIWGENIE */
7569 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7570 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7571 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7572 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7573 (iw_handler) NULL, /* SIOCSIWPMKSA */
7574 };
7575
7576 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7577 * We want to force the use of the ioctl code, because those can't be
7578 * won't work the iw_handler code (because they simultaneously read
7579 * and write data and iw_handler can't do that).
7580 * Note that it's perfectly legal to read/write on a single ioctl command,
7581 * you just can't use iwpriv and need to force it via the ioctl handler.
7582 * Jean II */
7583 static const iw_handler airo_private_handler[] =
7584 {
7585 NULL, /* SIOCIWFIRSTPRIV */
7586 };
7587
7588 static const struct iw_handler_def airo_handler_def =
7589 {
7590 .num_standard = sizeof(airo_handler)/sizeof(iw_handler),
7591 .num_private = sizeof(airo_private_handler)/sizeof(iw_handler),
7592 .num_private_args = sizeof(airo_private_args)/sizeof(struct iw_priv_args),
7593 .standard = airo_handler,
7594 .private = airo_private_handler,
7595 .private_args = airo_private_args,
7596 .get_wireless_stats = airo_get_wireless_stats,
7597 };
7598
7599 /*
7600 * This defines the configuration part of the Wireless Extensions
7601 * Note : irq and spinlock protection will occur in the subroutines
7602 *
7603 * TODO :
7604 * o Check input value more carefully and fill correct values in range
7605 * o Test and shakeout the bugs (if any)
7606 *
7607 * Jean II
7608 *
7609 * Javier Achirica did a great job of merging code from the unnamed CISCO
7610 * developer that added support for flashing the card.
7611 */
7612 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7613 {
7614 int rc = 0;
7615 struct airo_info *ai = (struct airo_info *)dev->priv;
7616
7617 if (ai->power.event)
7618 return 0;
7619
7620 switch (cmd) {
7621 #ifdef CISCO_EXT
7622 case AIROIDIFC:
7623 #ifdef AIROOLDIDIFC
7624 case AIROOLDIDIFC:
7625 #endif
7626 {
7627 int val = AIROMAGIC;
7628 aironet_ioctl com;
7629 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7630 rc = -EFAULT;
7631 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7632 rc = -EFAULT;
7633 }
7634 break;
7635
7636 case AIROIOCTL:
7637 #ifdef AIROOLDIOCTL
7638 case AIROOLDIOCTL:
7639 #endif
7640 /* Get the command struct and hand it off for evaluation by
7641 * the proper subfunction
7642 */
7643 {
7644 aironet_ioctl com;
7645 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7646 rc = -EFAULT;
7647 break;
7648 }
7649
7650 /* Separate R/W functions bracket legality here
7651 */
7652 if ( com.command == AIRORSWVERSION ) {
7653 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7654 rc = -EFAULT;
7655 else
7656 rc = 0;
7657 }
7658 else if ( com.command <= AIRORRID)
7659 rc = readrids(dev,&com);
7660 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7661 rc = writerids(dev,&com);
7662 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7663 rc = flashcard(dev,&com);
7664 else
7665 rc = -EINVAL; /* Bad command in ioctl */
7666 }
7667 break;
7668 #endif /* CISCO_EXT */
7669
7670 // All other calls are currently unsupported
7671 default:
7672 rc = -EOPNOTSUPP;
7673 }
7674 return rc;
7675 }
7676
7677 /*
7678 * Get the Wireless stats out of the driver
7679 * Note : irq and spinlock protection will occur in the subroutines
7680 *
7681 * TODO :
7682 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7683 *
7684 * Jean
7685 */
7686 static void airo_read_wireless_stats(struct airo_info *local)
7687 {
7688 StatusRid status_rid;
7689 StatsRid stats_rid;
7690 CapabilityRid cap_rid;
7691 u32 *vals = stats_rid.vals;
7692
7693 /* Get stats out of the card */
7694 clear_bit(JOB_WSTATS, &local->jobs);
7695 if (local->power.event) {
7696 up(&local->sem);
7697 return;
7698 }
7699 readCapabilityRid(local, &cap_rid, 0);
7700 readStatusRid(local, &status_rid, 0);
7701 readStatsRid(local, &stats_rid, RID_STATS, 0);
7702 up(&local->sem);
7703
7704 /* The status */
7705 local->wstats.status = status_rid.mode;
7706
7707 /* Signal quality and co */
7708 if (local->rssi) {
7709 local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
7710 /* normalizedSignalStrength appears to be a percentage */
7711 local->wstats.qual.qual = status_rid.normalizedSignalStrength;
7712 } else {
7713 local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
7714 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7715 }
7716 if (status_rid.len >= 124) {
7717 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7718 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7719 } else {
7720 local->wstats.qual.noise = 0;
7721 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7722 }
7723
7724 /* Packets discarded in the wireless adapter due to wireless
7725 * specific problems */
7726 local->wstats.discard.nwid = vals[56] + vals[57] + vals[58];/* SSID Mismatch */
7727 local->wstats.discard.code = vals[6];/* RxWepErr */
7728 local->wstats.discard.fragment = vals[30];
7729 local->wstats.discard.retries = vals[10];
7730 local->wstats.discard.misc = vals[1] + vals[32];
7731 local->wstats.miss.beacon = vals[34];
7732 }
7733
7734 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7735 {
7736 struct airo_info *local = dev->priv;
7737
7738 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7739 /* Get stats out of the card if available */
7740 if (down_trylock(&local->sem) != 0) {
7741 set_bit(JOB_WSTATS, &local->jobs);
7742 wake_up_interruptible(&local->thr_wait);
7743 } else
7744 airo_read_wireless_stats(local);
7745 }
7746
7747 return &local->wstats;
7748 }
7749
7750 #ifdef CISCO_EXT
7751 /*
7752 * This just translates from driver IOCTL codes to the command codes to
7753 * feed to the radio's host interface. Things can be added/deleted
7754 * as needed. This represents the READ side of control I/O to
7755 * the card
7756 */
7757 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7758 unsigned short ridcode;
7759 unsigned char *iobuf;
7760 int len;
7761 struct airo_info *ai = dev->priv;
7762 Resp rsp;
7763
7764 if (test_bit(FLAG_FLASHING, &ai->flags))
7765 return -EIO;
7766
7767 switch(comp->command)
7768 {
7769 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7770 case AIROGCFG: ridcode = RID_CONFIG;
7771 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7772 disable_MAC (ai, 1);
7773 writeConfigRid (ai, 1);
7774 enable_MAC (ai, &rsp, 1);
7775 }
7776 break;
7777 case AIROGSLIST: ridcode = RID_SSID; break;
7778 case AIROGVLIST: ridcode = RID_APLIST; break;
7779 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7780 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7781 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7782 /* Only super-user can read WEP keys */
7783 if (!capable(CAP_NET_ADMIN))
7784 return -EPERM;
7785 break;
7786 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7787 /* Only super-user can read WEP keys */
7788 if (!capable(CAP_NET_ADMIN))
7789 return -EPERM;
7790 break;
7791 case AIROGSTAT: ridcode = RID_STATUS; break;
7792 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7793 case AIROGSTATSC32: ridcode = RID_STATS; break;
7794 case AIROGMICSTATS:
7795 if (copy_to_user(comp->data, &ai->micstats,
7796 min((int)comp->len,(int)sizeof(ai->micstats))))
7797 return -EFAULT;
7798 return 0;
7799 case AIRORRID: ridcode = comp->ridnum; break;
7800 default:
7801 return -EINVAL;
7802 break;
7803 }
7804
7805 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7806 return -ENOMEM;
7807
7808 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7809 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7810 * then return it to the user
7811 * 9/22/2000 Honor user given length
7812 */
7813 len = comp->len;
7814
7815 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7816 kfree (iobuf);
7817 return -EFAULT;
7818 }
7819 kfree (iobuf);
7820 return 0;
7821 }
7822
7823 /*
7824 * Danger Will Robinson write the rids here
7825 */
7826
7827 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7828 struct airo_info *ai = dev->priv;
7829 int ridcode;
7830 int enabled;
7831 Resp rsp;
7832 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7833 unsigned char *iobuf;
7834
7835 /* Only super-user can write RIDs */
7836 if (!capable(CAP_NET_ADMIN))
7837 return -EPERM;
7838
7839 if (test_bit(FLAG_FLASHING, &ai->flags))
7840 return -EIO;
7841
7842 ridcode = 0;
7843 writer = do_writerid;
7844
7845 switch(comp->command)
7846 {
7847 case AIROPSIDS: ridcode = RID_SSID; break;
7848 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7849 case AIROPAPLIST: ridcode = RID_APLIST; break;
7850 case AIROPCFG: ai->config.len = 0;
7851 clear_bit(FLAG_COMMIT, &ai->flags);
7852 ridcode = RID_CONFIG; break;
7853 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7854 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7855 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7856 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7857 break;
7858 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7859 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7860
7861 /* this is not really a rid but a command given to the card
7862 * same with MAC off
7863 */
7864 case AIROPMACON:
7865 if (enable_MAC(ai, &rsp, 1) != 0)
7866 return -EIO;
7867 return 0;
7868
7869 /*
7870 * Evidently this code in the airo driver does not get a symbol
7871 * as disable_MAC. it's probably so short the compiler does not gen one.
7872 */
7873 case AIROPMACOFF:
7874 disable_MAC(ai, 1);
7875 return 0;
7876
7877 /* This command merely clears the counts does not actually store any data
7878 * only reads rid. But as it changes the cards state, I put it in the
7879 * writerid routines.
7880 */
7881 case AIROPSTCLR:
7882 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7883 return -ENOMEM;
7884
7885 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7886
7887 enabled = ai->micstats.enabled;
7888 memset(&ai->micstats,0,sizeof(ai->micstats));
7889 ai->micstats.enabled = enabled;
7890
7891 if (copy_to_user(comp->data, iobuf,
7892 min((int)comp->len, (int)RIDSIZE))) {
7893 kfree (iobuf);
7894 return -EFAULT;
7895 }
7896 kfree (iobuf);
7897 return 0;
7898
7899 default:
7900 return -EOPNOTSUPP; /* Blarg! */
7901 }
7902 if(comp->len > RIDSIZE)
7903 return -EINVAL;
7904
7905 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7906 return -ENOMEM;
7907
7908 if (copy_from_user(iobuf,comp->data,comp->len)) {
7909 kfree (iobuf);
7910 return -EFAULT;
7911 }
7912
7913 if (comp->command == AIROPCFG) {
7914 ConfigRid *cfg = (ConfigRid *)iobuf;
7915
7916 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7917 cfg->opmode |= MODE_MIC;
7918
7919 if ((cfg->opmode & 0xFF) == MODE_STA_IBSS)
7920 set_bit (FLAG_ADHOC, &ai->flags);
7921 else
7922 clear_bit (FLAG_ADHOC, &ai->flags);
7923 }
7924
7925 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7926 kfree (iobuf);
7927 return -EIO;
7928 }
7929 kfree (iobuf);
7930 return 0;
7931 }
7932
7933 /*****************************************************************************
7934 * Ancillary flash / mod functions much black magic lurkes here *
7935 *****************************************************************************
7936 */
7937
7938 /*
7939 * Flash command switch table
7940 */
7941
7942 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7943 int z;
7944
7945 /* Only super-user can modify flash */
7946 if (!capable(CAP_NET_ADMIN))
7947 return -EPERM;
7948
7949 switch(comp->command)
7950 {
7951 case AIROFLSHRST:
7952 return cmdreset((struct airo_info *)dev->priv);
7953
7954 case AIROFLSHSTFL:
7955 if (!((struct airo_info *)dev->priv)->flash &&
7956 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7957 return -ENOMEM;
7958 return setflashmode((struct airo_info *)dev->priv);
7959
7960 case AIROFLSHGCHR: /* Get char from aux */
7961 if(comp->len != sizeof(int))
7962 return -EINVAL;
7963 if (copy_from_user(&z,comp->data,comp->len))
7964 return -EFAULT;
7965 return flashgchar((struct airo_info *)dev->priv,z,8000);
7966
7967 case AIROFLSHPCHR: /* Send char to card. */
7968 if(comp->len != sizeof(int))
7969 return -EINVAL;
7970 if (copy_from_user(&z,comp->data,comp->len))
7971 return -EFAULT;
7972 return flashpchar((struct airo_info *)dev->priv,z,8000);
7973
7974 case AIROFLPUTBUF: /* Send 32k to card */
7975 if (!((struct airo_info *)dev->priv)->flash)
7976 return -ENOMEM;
7977 if(comp->len > FLASHSIZE)
7978 return -EINVAL;
7979 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7980 return -EFAULT;
7981
7982 flashputbuf((struct airo_info *)dev->priv);
7983 return 0;
7984
7985 case AIRORESTART:
7986 if(flashrestart((struct airo_info *)dev->priv,dev))
7987 return -EIO;
7988 return 0;
7989 }
7990 return -EINVAL;
7991 }
7992
7993 #define FLASH_COMMAND 0x7e7e
7994
7995 /*
7996 * STEP 1)
7997 * Disable MAC and do soft reset on
7998 * card.
7999 */
8000
8001 static int cmdreset(struct airo_info *ai) {
8002 disable_MAC(ai, 1);
8003
8004 if(!waitbusy (ai)){
8005 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8006 return -EBUSY;
8007 }
8008
8009 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8010
8011 ssleep(1); /* WAS 600 12/7/00 */
8012
8013 if(!waitbusy (ai)){
8014 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8015 return -EBUSY;
8016 }
8017 return 0;
8018 }
8019
8020 /* STEP 2)
8021 * Put the card in legendary flash
8022 * mode
8023 */
8024
8025 static int setflashmode (struct airo_info *ai) {
8026 set_bit (FLAG_FLASHING, &ai->flags);
8027
8028 OUT4500(ai, SWS0, FLASH_COMMAND);
8029 OUT4500(ai, SWS1, FLASH_COMMAND);
8030 if (probe) {
8031 OUT4500(ai, SWS0, FLASH_COMMAND);
8032 OUT4500(ai, COMMAND,0x10);
8033 } else {
8034 OUT4500(ai, SWS2, FLASH_COMMAND);
8035 OUT4500(ai, SWS3, FLASH_COMMAND);
8036 OUT4500(ai, COMMAND,0);
8037 }
8038 msleep(500); /* 500ms delay */
8039
8040 if(!waitbusy(ai)) {
8041 clear_bit (FLAG_FLASHING, &ai->flags);
8042 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8043 return -EIO;
8044 }
8045 return 0;
8046 }
8047
8048 /* Put character to SWS0 wait for dwelltime
8049 * x 50us for echo .
8050 */
8051
8052 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8053 int echo;
8054 int waittime;
8055
8056 byte |= 0x8000;
8057
8058 if(dwelltime == 0 )
8059 dwelltime = 200;
8060
8061 waittime=dwelltime;
8062
8063 /* Wait for busy bit d15 to go false indicating buffer empty */
8064 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8065 udelay (50);
8066 waittime -= 50;
8067 }
8068
8069 /* timeout for busy clear wait */
8070 if(waittime <= 0 ){
8071 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8072 return -EBUSY;
8073 }
8074
8075 /* Port is clear now write byte and wait for it to echo back */
8076 do {
8077 OUT4500(ai,SWS0,byte);
8078 udelay(50);
8079 dwelltime -= 50;
8080 echo = IN4500(ai,SWS1);
8081 } while (dwelltime >= 0 && echo != byte);
8082
8083 OUT4500(ai,SWS1,0);
8084
8085 return (echo == byte) ? 0 : -EIO;
8086 }
8087
8088 /*
8089 * Get a character from the card matching matchbyte
8090 * Step 3)
8091 */
8092 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8093 int rchar;
8094 unsigned char rbyte=0;
8095
8096 do {
8097 rchar = IN4500(ai,SWS1);
8098
8099 if(dwelltime && !(0x8000 & rchar)){
8100 dwelltime -= 10;
8101 mdelay(10);
8102 continue;
8103 }
8104 rbyte = 0xff & rchar;
8105
8106 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8107 OUT4500(ai,SWS1,0);
8108 return 0;
8109 }
8110 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8111 break;
8112 OUT4500(ai,SWS1,0);
8113
8114 }while(dwelltime > 0);
8115 return -EIO;
8116 }
8117
8118 /*
8119 * Transfer 32k of firmware data from user buffer to our buffer and
8120 * send to the card
8121 */
8122
8123 static int flashputbuf(struct airo_info *ai){
8124 int nwords;
8125
8126 /* Write stuff */
8127 if (test_bit(FLAG_MPI,&ai->flags))
8128 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8129 else {
8130 OUT4500(ai,AUXPAGE,0x100);
8131 OUT4500(ai,AUXOFF,0);
8132
8133 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8134 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8135 }
8136 }
8137 OUT4500(ai,SWS0,0x8000);
8138
8139 return 0;
8140 }
8141
8142 /*
8143 *
8144 */
8145 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8146 int i,status;
8147
8148 ssleep(1); /* Added 12/7/00 */
8149 clear_bit (FLAG_FLASHING, &ai->flags);
8150 if (test_bit(FLAG_MPI, &ai->flags)) {
8151 status = mpi_init_descriptors(ai);
8152 if (status != SUCCESS)
8153 return status;
8154 }
8155 status = setup_card(ai, dev->dev_addr, 1);
8156
8157 if (!test_bit(FLAG_MPI,&ai->flags))
8158 for( i = 0; i < MAX_FIDS; i++ ) {
8159 ai->fids[i] = transmit_allocate
8160 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8161 }
8162
8163 ssleep(1); /* Added 12/7/00 */
8164 return status;
8165 }
8166 #endif /* CISCO_EXT */
8167
8168 /*
8169 This program is free software; you can redistribute it and/or
8170 modify it under the terms of the GNU General Public License
8171 as published by the Free Software Foundation; either version 2
8172 of the License, or (at your option) any later version.
8173
8174 This program is distributed in the hope that it will be useful,
8175 but WITHOUT ANY WARRANTY; without even the implied warranty of
8176 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8177 GNU General Public License for more details.
8178
8179 In addition:
8180
8181 Redistribution and use in source and binary forms, with or without
8182 modification, are permitted provided that the following conditions
8183 are met:
8184
8185 1. Redistributions of source code must retain the above copyright
8186 notice, this list of conditions and the following disclaimer.
8187 2. Redistributions in binary form must reproduce the above copyright
8188 notice, this list of conditions and the following disclaimer in the
8189 documentation and/or other materials provided with the distribution.
8190 3. The name of the author may not be used to endorse or promote
8191 products derived from this software without specific prior written
8192 permission.
8193
8194 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8195 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8196 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8197 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8198 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8199 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8200 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8201 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8202 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8203 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8204 POSSIBILITY OF SUCH DAMAGE.
8205 */
8206
8207 module_init(airo_init_module);
8208 module_exit(airo_cleanup_module);
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