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RT-AC66 3.0.0.4.374.130 core
[tomato.git] / release / src-rt-6.x / linux / linux-2.6 / drivers / net / wireless / airo.c
blob2d3a180dada035492f1c3d058e6ca63e3d7d0b69
1 /*======================================================================
2
3 Aironet driver for 4500 and 4800 series cards
4
5 This code is released under both the GPL version 2 and BSD licenses.
6 Either license may be used. The respective licenses are found at
7 the end of this file.
8
9 This code was developed by Benjamin Reed <breed@users.sourceforge.net>
10 including portions of which come from the Aironet PC4500
11 Developer's Reference Manual and used with permission. Copyright
12 (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use
13 code in the Developer's manual was granted for this driver by
14 Aironet. Major code contributions were received from Javier Achirica
15 <achirica@users.sourceforge.net> and Jean Tourrilhes <jt@hpl.hp.com>.
16 Code was also integrated from the Cisco Aironet driver for Linux.
17 Support for MPI350 cards was added by Fabrice Bellet
18 <fabrice@bellet.info>.
19
20 ======================================================================*/
21
22 #include <linux/err.h>
23 #include <linux/init.h>
24
25 #include <linux/kernel.h>
26 #include <linux/module.h>
27 #include <linux/proc_fs.h>
28
29 #include <linux/sched.h>
30 #include <linux/ptrace.h>
31 #include <linux/slab.h>
32 #include <linux/string.h>
33 #include <linux/timer.h>
34 #include <linux/interrupt.h>
35 #include <linux/in.h>
36 #include <linux/bitops.h>
37 #include <linux/scatterlist.h>
38 #include <linux/crypto.h>
39 #include <asm/io.h>
40 #include <asm/system.h>
41
42 #include <linux/netdevice.h>
43 #include <linux/etherdevice.h>
44 #include <linux/skbuff.h>
45 #include <linux/if_arp.h>
46 #include <linux/ioport.h>
47 #include <linux/pci.h>
48 #include <asm/uaccess.h>
49 #include <net/ieee80211.h>
50 #include <linux/kthread.h>
51 #include <linux/freezer.h>
52
53 #include "airo.h"
54
55 #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 struct list_head dev_list;
1148 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1149 use the high bit to mark whether it is in use. */
1150 #define MAX_FIDS 6
1151 #define MPI_MAX_FIDS 1
1152 int fids[MAX_FIDS];
1153 ConfigRid config;
1154 char keyindex; // Used with auto wep
1155 char defindex; // Used with auto wep
1156 struct proc_dir_entry *proc_entry;
1157 spinlock_t aux_lock;
1158 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1159 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1160 #define FLAG_RADIO_MASK 0x03
1161 #define FLAG_ENABLED 2
1162 #define FLAG_ADHOC 3 /* Needed by MIC */
1163 #define FLAG_MIC_CAPABLE 4
1164 #define FLAG_UPDATE_MULTI 5
1165 #define FLAG_UPDATE_UNI 6
1166 #define FLAG_802_11 7
1167 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1168 #define FLAG_PENDING_XMIT 9
1169 #define FLAG_PENDING_XMIT11 10
1170 #define FLAG_MPI 11
1171 #define FLAG_REGISTERED 12
1172 #define FLAG_COMMIT 13
1173 #define FLAG_RESET 14
1174 #define FLAG_FLASHING 15
1175 #define FLAG_WPA_CAPABLE 16
1176 unsigned long flags;
1177 #define JOB_DIE 0
1178 #define JOB_XMIT 1
1179 #define JOB_XMIT11 2
1180 #define JOB_STATS 3
1181 #define JOB_PROMISC 4
1182 #define JOB_MIC 5
1183 #define JOB_EVENT 6
1184 #define JOB_AUTOWEP 7
1185 #define JOB_WSTATS 8
1186 #define JOB_SCAN_RESULTS 9
1187 unsigned long jobs;
1188 int (*bap_read)(struct airo_info*, u16 *pu16Dst, int bytelen,
1189 int whichbap);
1190 unsigned short *flash;
1191 tdsRssiEntry *rssi;
1192 struct task_struct *list_bss_task;
1193 struct task_struct *airo_thread_task;
1194 struct semaphore sem;
1195 wait_queue_head_t thr_wait;
1196 unsigned long expires;
1197 struct {
1198 struct sk_buff *skb;
1199 int fid;
1200 } xmit, xmit11;
1201 struct net_device *wifidev;
1202 struct iw_statistics wstats; // wireless stats
1203 unsigned long scan_timeout; /* Time scan should be read */
1204 struct iw_spy_data spy_data;
1205 struct iw_public_data wireless_data;
1206 /* MIC stuff */
1207 struct crypto_cipher *tfm;
1208 mic_module mod[2];
1209 mic_statistics micstats;
1210 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1211 HostTxDesc txfids[MPI_MAX_FIDS];
1212 HostRidDesc config_desc;
1213 unsigned long ridbus; // phys addr of config_desc
1214 struct sk_buff_head txq;// tx queue used by mpi350 code
1215 struct pci_dev *pci;
1216 unsigned char __iomem *pcimem;
1217 unsigned char __iomem *pciaux;
1218 unsigned char *shared;
1219 dma_addr_t shared_dma;
1220 pm_message_t power;
1221 SsidRid *SSID;
1222 APListRid *APList;
1223 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1224 char proc_name[IFNAMSIZ];
1225
1226 /* WPA-related stuff */
1227 unsigned int bssListFirst;
1228 unsigned int bssListNext;
1229 unsigned int bssListRidLen;
1230
1231 struct list_head network_list;
1232 struct list_head network_free_list;
1233 BSSListElement *networks;
1234 };
1235
1236 static inline int bap_read(struct airo_info *ai, u16 *pu16Dst, int bytelen,
1237 int whichbap) {
1238 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1239 }
1240
1241 static int setup_proc_entry( struct net_device *dev,
1242 struct airo_info *apriv );
1243 static int takedown_proc_entry( struct net_device *dev,
1244 struct airo_info *apriv );
1245
1246 static int cmdreset(struct airo_info *ai);
1247 static int setflashmode (struct airo_info *ai);
1248 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1249 static int flashputbuf(struct airo_info *ai);
1250 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1251
1252 #define airo_print(type, name, fmt, args...) \
1253 { printk(type "airo(%s): " fmt "\n", name, ##args); }
1254
1255 #define airo_print_info(name, fmt, args...) \
1256 airo_print(KERN_INFO, name, fmt, ##args)
1257
1258 #define airo_print_dbg(name, fmt, args...) \
1259 airo_print(KERN_DEBUG, name, fmt, ##args)
1260
1261 #define airo_print_warn(name, fmt, args...) \
1262 airo_print(KERN_WARNING, name, fmt, ##args)
1263
1264 #define airo_print_err(name, fmt, args...) \
1265 airo_print(KERN_ERR, name, fmt, ##args)
1266
1267
1268 /***********************************************************************
1269 * MIC ROUTINES *
1270 ***********************************************************************
1271 */
1272
1273 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1274 static void MoveWindow(miccntx *context, u32 micSeq);
1275 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1276 struct crypto_cipher *tfm);
1277 static void emmh32_init(emmh32_context *context);
1278 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1279 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1280 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1281
1282 /* micinit - Initialize mic seed */
1283
1284 static void micinit(struct airo_info *ai)
1285 {
1286 MICRid mic_rid;
1287
1288 clear_bit(JOB_MIC, &ai->jobs);
1289 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1290 up(&ai->sem);
1291
1292 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1293
1294 if (ai->micstats.enabled) {
1295 /* Key must be valid and different */
1296 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1297 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1298 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1299 /* Age current mic Context */
1300 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1301 /* Initialize new context */
1302 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1303 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1304 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1305 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1306 ai->mod[0].mCtx.valid = 1; //Key is now valid
1307
1308 /* Give key to mic seed */
1309 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1310 }
1311
1312 /* Key must be valid and different */
1313 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1314 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1315 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1316 /* Age current mic Context */
1317 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1318 /* Initialize new context */
1319 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1320
1321 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1322 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1323 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1324 ai->mod[0].uCtx.valid = 1; //Key is now valid
1325
1326 //Give key to mic seed
1327 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1328 }
1329 } else {
1330 /* So next time we have a valid key and mic is enabled, we will update
1331 * the sequence number if the key is the same as before.
1332 */
1333 ai->mod[0].uCtx.valid = 0;
1334 ai->mod[0].mCtx.valid = 0;
1335 }
1336 }
1337
1338 /* micsetup - Get ready for business */
1339
1340 static int micsetup(struct airo_info *ai) {
1341 int i;
1342
1343 if (ai->tfm == NULL)
1344 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1345
1346 if (IS_ERR(ai->tfm)) {
1347 airo_print_err(ai->dev->name, "failed to load transform for AES");
1348 ai->tfm = NULL;
1349 return ERROR;
1350 }
1351
1352 for (i=0; i < NUM_MODULES; i++) {
1353 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1354 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1355 }
1356 return SUCCESS;
1357 }
1358
1359 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1360
1361 /*===========================================================================
1362 * Description: Mic a packet
1363 *
1364 * Inputs: etherHead * pointer to an 802.3 frame
1365 *
1366 * Returns: BOOLEAN if successful, otherwise false.
1367 * PacketTxLen will be updated with the mic'd packets size.
1368 *
1369 * Caveats: It is assumed that the frame buffer will already
1370 * be big enough to hold the largets mic message possible.
1371 * (No memory allocation is done here).
1372 *
1373 * Author: sbraneky (10/15/01)
1374 * Merciless hacks by rwilcher (1/14/02)
1375 */
1376
1377 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1378 {
1379 miccntx *context;
1380
1381 // Determine correct context
1382 // If not adhoc, always use unicast key
1383
1384 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1385 context = &ai->mod[0].mCtx;
1386 else
1387 context = &ai->mod[0].uCtx;
1388
1389 if (!context->valid)
1390 return ERROR;
1391
1392 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1393
1394 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1395
1396 // Add Tx sequence
1397 mic->seq = htonl(context->tx);
1398 context->tx += 2;
1399
1400 emmh32_init(&context->seed); // Mic the packet
1401 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1402 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1403 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1404 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1405 emmh32_final(&context->seed, (u8*)&mic->mic);
1406
1407 /* New Type/length ?????????? */
1408 mic->typelen = 0; //Let NIC know it could be an oversized packet
1409 return SUCCESS;
1410 }
1411
1412 typedef enum {
1413 NONE,
1414 NOMIC,
1415 NOMICPLUMMED,
1416 SEQUENCE,
1417 INCORRECTMIC,
1418 } mic_error;
1419
1420 /*===========================================================================
1421 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1422 * (removes the MIC stuff) if packet is a valid packet.
1423 *
1424 * Inputs: etherHead pointer to the 802.3 packet
1425 *
1426 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1427 *
1428 * Author: sbraneky (10/15/01)
1429 * Merciless hacks by rwilcher (1/14/02)
1430 *---------------------------------------------------------------------------
1431 */
1432
1433 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1434 {
1435 int i;
1436 u32 micSEQ;
1437 miccntx *context;
1438 u8 digest[4];
1439 mic_error micError = NONE;
1440
1441 // Check if the packet is a Mic'd packet
1442
1443 if (!ai->micstats.enabled) {
1444 //No Mic set or Mic OFF but we received a MIC'd packet.
1445 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1446 ai->micstats.rxMICPlummed++;
1447 return ERROR;
1448 }
1449 return SUCCESS;
1450 }
1451
1452 if (ntohs(mic->typelen) == 0x888E)
1453 return SUCCESS;
1454
1455 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1456 // Mic enabled but packet isn't Mic'd
1457 ai->micstats.rxMICPlummed++;
1458 return ERROR;
1459 }
1460
1461 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1462
1463 //At this point we a have a mic'd packet and mic is enabled
1464 //Now do the mic error checking.
1465
1466 //Receive seq must be odd
1467 if ( (micSEQ & 1) == 0 ) {
1468 ai->micstats.rxWrongSequence++;
1469 return ERROR;
1470 }
1471
1472 for (i = 0; i < NUM_MODULES; i++) {
1473 int mcast = eth->da[0] & 1;
1474 //Determine proper context
1475 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1476
1477 //Make sure context is valid
1478 if (!context->valid) {
1479 if (i == 0)
1480 micError = NOMICPLUMMED;
1481 continue;
1482 }
1483 //DeMic it
1484
1485 if (!mic->typelen)
1486 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1487
1488 emmh32_init(&context->seed);
1489 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1490 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1491 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1492 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1493 //Calculate MIC
1494 emmh32_final(&context->seed, digest);
1495
1496 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1497 //Invalid Mic
1498 if (i == 0)
1499 micError = INCORRECTMIC;
1500 continue;
1501 }
1502
1503 //Check Sequence number if mics pass
1504 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1505 ai->micstats.rxSuccess++;
1506 return SUCCESS;
1507 }
1508 if (i == 0)
1509 micError = SEQUENCE;
1510 }
1511
1512 // Update statistics
1513 switch (micError) {
1514 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1515 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1516 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1517 case NONE: break;
1518 case NOMIC: break;
1519 }
1520 return ERROR;
1521 }
1522
1523 /*===========================================================================
1524 * Description: Checks the Rx Seq number to make sure it is valid
1525 * and hasn't already been received
1526 *
1527 * Inputs: miccntx - mic context to check seq against
1528 * micSeq - the Mic seq number
1529 *
1530 * Returns: TRUE if valid otherwise FALSE.
1531 *
1532 * Author: sbraneky (10/15/01)
1533 * Merciless hacks by rwilcher (1/14/02)
1534 *---------------------------------------------------------------------------
1535 */
1536
1537 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1538 {
1539 u32 seq,index;
1540
1541 //Allow for the ap being rebooted - if it is then use the next
1542 //sequence number of the current sequence number - might go backwards
1543
1544 if (mcast) {
1545 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1546 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1547 context->window = (micSeq > 33) ? micSeq : 33;
1548 context->rx = 0; // Reset rx
1549 }
1550 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1551 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1552 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1553 context->rx = 0; // Reset rx
1554 }
1555
1556 //Make sequence number relative to START of window
1557 seq = micSeq - (context->window - 33);
1558
1559 //Too old of a SEQ number to check.
1560 if ((s32)seq < 0)
1561 return ERROR;
1562
1563 if ( seq > 64 ) {
1564 //Window is infinite forward
1565 MoveWindow(context,micSeq);
1566 return SUCCESS;
1567 }
1568
1569 // We are in the window. Now check the context rx bit to see if it was already sent
1570 seq >>= 1; //divide by 2 because we only have odd numbers
1571 index = 1 << seq; //Get an index number
1572
1573 if (!(context->rx & index)) {
1574 //micSEQ falls inside the window.
1575 //Add seqence number to the list of received numbers.
1576 context->rx |= index;
1577
1578 MoveWindow(context,micSeq);
1579
1580 return SUCCESS;
1581 }
1582 return ERROR;
1583 }
1584
1585 static void MoveWindow(miccntx *context, u32 micSeq)
1586 {
1587 u32 shift;
1588
1589 //Move window if seq greater than the middle of the window
1590 if (micSeq > context->window) {
1591 shift = (micSeq - context->window) >> 1;
1592
1593 //Shift out old
1594 if (shift < 32)
1595 context->rx >>= shift;
1596 else
1597 context->rx = 0;
1598
1599 context->window = micSeq; //Move window
1600 }
1601 }
1602
1603 /*==============================================*/
1604 /*========== EMMH ROUTINES ====================*/
1605 /*==============================================*/
1606
1607 /* mic accumulate */
1608 #define MIC_ACCUM(val) \
1609 context->accum += (u64)(val) * context->coeff[coeff_position++];
1610
1611 static unsigned char aes_counter[16];
1612
1613 /* expand the key to fill the MMH coefficient array */
1614 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1615 struct crypto_cipher *tfm)
1616 {
1617 /* take the keying material, expand if necessary, truncate at 16-bytes */
1618 /* run through AES counter mode to generate context->coeff[] */
1619
1620 int i,j;
1621 u32 counter;
1622 u8 *cipher, plain[16];
1623
1624 crypto_cipher_setkey(tfm, pkey, 16);
1625 counter = 0;
1626 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1627 aes_counter[15] = (u8)(counter >> 0);
1628 aes_counter[14] = (u8)(counter >> 8);
1629 aes_counter[13] = (u8)(counter >> 16);
1630 aes_counter[12] = (u8)(counter >> 24);
1631 counter++;
1632 memcpy (plain, aes_counter, 16);
1633 crypto_cipher_encrypt_one(tfm, plain, plain);
1634 cipher = plain;
1635 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1636 context->coeff[i++] = ntohl(*(u32 *)&cipher[j]);
1637 j += 4;
1638 }
1639 }
1640 }
1641
1642 /* prepare for calculation of a new mic */
1643 static void emmh32_init(emmh32_context *context)
1644 {
1645 /* prepare for new mic calculation */
1646 context->accum = 0;
1647 context->position = 0;
1648 }
1649
1650 /* add some bytes to the mic calculation */
1651 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1652 {
1653 int coeff_position, byte_position;
1654
1655 if (len == 0) return;
1656
1657 coeff_position = context->position >> 2;
1658
1659 /* deal with partial 32-bit word left over from last update */
1660 byte_position = context->position & 3;
1661 if (byte_position) {
1662 /* have a partial word in part to deal with */
1663 do {
1664 if (len == 0) return;
1665 context->part.d8[byte_position++] = *pOctets++;
1666 context->position++;
1667 len--;
1668 } while (byte_position < 4);
1669 MIC_ACCUM(htonl(context->part.d32));
1670 }
1671
1672 /* deal with full 32-bit words */
1673 while (len >= 4) {
1674 MIC_ACCUM(htonl(*(u32 *)pOctets));
1675 context->position += 4;
1676 pOctets += 4;
1677 len -= 4;
1678 }
1679
1680 /* deal with partial 32-bit word that will be left over from this update */
1681 byte_position = 0;
1682 while (len > 0) {
1683 context->part.d8[byte_position++] = *pOctets++;
1684 context->position++;
1685 len--;
1686 }
1687 }
1688
1689 /* mask used to zero empty bytes for final partial word */
1690 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1691
1692 /* calculate the mic */
1693 static void emmh32_final(emmh32_context *context, u8 digest[4])
1694 {
1695 int coeff_position, byte_position;
1696 u32 val;
1697
1698 u64 sum, utmp;
1699 s64 stmp;
1700
1701 coeff_position = context->position >> 2;
1702
1703 /* deal with partial 32-bit word left over from last update */
1704 byte_position = context->position & 3;
1705 if (byte_position) {
1706 /* have a partial word in part to deal with */
1707 val = htonl(context->part.d32);
1708 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1709 }
1710
1711 /* reduce the accumulated u64 to a 32-bit MIC */
1712 sum = context->accum;
1713 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1714 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1715 sum = utmp & 0xffffffffLL;
1716 if (utmp > 0x10000000fLL)
1717 sum -= 15;
1718
1719 val = (u32)sum;
1720 digest[0] = (val>>24) & 0xFF;
1721 digest[1] = (val>>16) & 0xFF;
1722 digest[2] = (val>>8) & 0xFF;
1723 digest[3] = val & 0xFF;
1724 }
1725
1726 static int readBSSListRid(struct airo_info *ai, int first,
1727 BSSListRid *list) {
1728 int rc;
1729 Cmd cmd;
1730 Resp rsp;
1731
1732 if (first == 1) {
1733 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1734 memset(&cmd, 0, sizeof(cmd));
1735 cmd.cmd=CMD_LISTBSS;
1736 if (down_interruptible(&ai->sem))
1737 return -ERESTARTSYS;
1738 ai->list_bss_task = current;
1739 issuecommand(ai, &cmd, &rsp);
1740 up(&ai->sem);
1741 /* Let the command take effect */
1742 schedule_timeout_uninterruptible(3 * HZ);
1743 ai->list_bss_task = NULL;
1744 }
1745 rc = PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1746 list, ai->bssListRidLen, 1);
1747
1748 list->len = le16_to_cpu(list->len);
1749 list->index = le16_to_cpu(list->index);
1750 list->radioType = le16_to_cpu(list->radioType);
1751 list->cap = le16_to_cpu(list->cap);
1752 list->beaconInterval = le16_to_cpu(list->beaconInterval);
1753 list->fh.dwell = le16_to_cpu(list->fh.dwell);
1754 list->dsChannel = le16_to_cpu(list->dsChannel);
1755 list->atimWindow = le16_to_cpu(list->atimWindow);
1756 list->dBm = le16_to_cpu(list->dBm);
1757 return rc;
1758 }
1759
1760 static int readWepKeyRid(struct airo_info*ai, WepKeyRid *wkr, int temp, int lock) {
1761 int rc = PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1762 wkr, sizeof(*wkr), lock);
1763
1764 wkr->len = le16_to_cpu(wkr->len);
1765 wkr->kindex = le16_to_cpu(wkr->kindex);
1766 wkr->klen = le16_to_cpu(wkr->klen);
1767 return rc;
1768 }
1769 /* In the writeXXXRid routines we copy the rids so that we don't screwup
1770 * the originals when we endian them... */
1771 static int writeWepKeyRid(struct airo_info*ai, WepKeyRid *pwkr, int perm, int lock) {
1772 int rc;
1773 WepKeyRid wkr = *pwkr;
1774
1775 wkr.len = cpu_to_le16(wkr.len);
1776 wkr.kindex = cpu_to_le16(wkr.kindex);
1777 wkr.klen = cpu_to_le16(wkr.klen);
1778 rc = PC4500_writerid(ai, RID_WEP_TEMP, &wkr, sizeof(wkr), lock);
1779 if (rc!=SUCCESS) airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1780 if (perm) {
1781 rc = PC4500_writerid(ai, RID_WEP_PERM, &wkr, sizeof(wkr), lock);
1782 if (rc!=SUCCESS) {
1783 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1784 }
1785 }
1786 return rc;
1787 }
1788
1789 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr) {
1790 int i;
1791 int rc = PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1792
1793 ssidr->len = le16_to_cpu(ssidr->len);
1794 for(i = 0; i < 3; i++) {
1795 ssidr->ssids[i].len = le16_to_cpu(ssidr->ssids[i].len);
1796 }
1797 return rc;
1798 }
1799 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock) {
1800 int rc;
1801 int i;
1802 SsidRid ssidr = *pssidr;
1803
1804 ssidr.len = cpu_to_le16(ssidr.len);
1805 for(i = 0; i < 3; i++) {
1806 ssidr.ssids[i].len = cpu_to_le16(ssidr.ssids[i].len);
1807 }
1808 rc = PC4500_writerid(ai, RID_SSID, &ssidr, sizeof(ssidr), lock);
1809 return rc;
1810 }
1811 static int readConfigRid(struct airo_info*ai, int lock) {
1812 int rc;
1813 u16 *s;
1814 ConfigRid cfg;
1815
1816 if (ai->config.len)
1817 return SUCCESS;
1818
1819 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1820 if (rc != SUCCESS)
1821 return rc;
1822
1823 for(s = &cfg.len; s <= &cfg.rtsThres; s++) *s = le16_to_cpu(*s);
1824
1825 for(s = &cfg.shortRetryLimit; s <= &cfg.radioType; s++)
1826 *s = le16_to_cpu(*s);
1827
1828 for(s = &cfg.txPower; s <= &cfg.radioSpecific; s++)
1829 *s = le16_to_cpu(*s);
1830
1831 for(s = &cfg.arlThreshold; s <= &cfg._reserved4[0]; s++)
1832 *s = cpu_to_le16(*s);
1833
1834 for(s = &cfg.autoWake; s <= &cfg.autoWake; s++)
1835 *s = cpu_to_le16(*s);
1836
1837 ai->config = cfg;
1838 return SUCCESS;
1839 }
1840 static inline void checkThrottle(struct airo_info *ai) {
1841 int i;
1842 /* Old hardware had a limit on encryption speed */
1843 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1844 for(i=0; i<8; i++) {
1845 if (ai->config.rates[i] > maxencrypt) {
1846 ai->config.rates[i] = 0;
1847 }
1848 }
1849 }
1850 }
1851 static int writeConfigRid(struct airo_info*ai, int lock) {
1852 u16 *s;
1853 ConfigRid cfgr;
1854
1855 if (!test_bit (FLAG_COMMIT, &ai->flags))
1856 return SUCCESS;
1857
1858 clear_bit (FLAG_COMMIT, &ai->flags);
1859 clear_bit (FLAG_RESET, &ai->flags);
1860 checkThrottle(ai);
1861 cfgr = ai->config;
1862
1863 if ((cfgr.opmode & 0xFF) == MODE_STA_IBSS)
1864 set_bit(FLAG_ADHOC, &ai->flags);
1865 else
1866 clear_bit(FLAG_ADHOC, &ai->flags);
1867
1868 for(s = &cfgr.len; s <= &cfgr.rtsThres; s++) *s = cpu_to_le16(*s);
1869
1870 for(s = &cfgr.shortRetryLimit; s <= &cfgr.radioType; s++)
1871 *s = cpu_to_le16(*s);
1872
1873 for(s = &cfgr.txPower; s <= &cfgr.radioSpecific; s++)
1874 *s = cpu_to_le16(*s);
1875
1876 for(s = &cfgr.arlThreshold; s <= &cfgr._reserved4[0]; s++)
1877 *s = cpu_to_le16(*s);
1878
1879 for(s = &cfgr.autoWake; s <= &cfgr.autoWake; s++)
1880 *s = cpu_to_le16(*s);
1881
1882 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1883 }
1884 static int readStatusRid(struct airo_info*ai, StatusRid *statr, int lock) {
1885 int rc = PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1886 u16 *s;
1887
1888 statr->len = le16_to_cpu(statr->len);
1889 for(s = &statr->mode; s <= &statr->SSIDlen; s++) *s = le16_to_cpu(*s);
1890
1891 for(s = &statr->beaconPeriod; s <= &statr->shortPreamble; s++)
1892 *s = le16_to_cpu(*s);
1893 statr->load = le16_to_cpu(statr->load);
1894 statr->assocStatus = le16_to_cpu(statr->assocStatus);
1895 return rc;
1896 }
1897 static int readAPListRid(struct airo_info*ai, APListRid *aplr) {
1898 int rc = PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1899 aplr->len = le16_to_cpu(aplr->len);
1900 return rc;
1901 }
1902 static int writeAPListRid(struct airo_info*ai, APListRid *aplr, int lock) {
1903 int rc;
1904 aplr->len = cpu_to_le16(aplr->len);
1905 rc = PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1906 return rc;
1907 }
1908 static int readCapabilityRid(struct airo_info*ai, CapabilityRid *capr, int lock) {
1909 int rc = PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1910 u16 *s;
1911
1912 capr->len = le16_to_cpu(capr->len);
1913 capr->prodNum = le16_to_cpu(capr->prodNum);
1914 capr->radioType = le16_to_cpu(capr->radioType);
1915 capr->country = le16_to_cpu(capr->country);
1916 for(s = &capr->txPowerLevels[0]; s <= &capr->requiredHard; s++)
1917 *s = le16_to_cpu(*s);
1918 return rc;
1919 }
1920 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) {
1921 int rc = PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1922 u32 *i;
1923
1924 sr->len = le16_to_cpu(sr->len);
1925 for(i = &sr->vals[0]; i <= &sr->vals[99]; i++) *i = le32_to_cpu(*i);
1926 return rc;
1927 }
1928
1929 static int airo_open(struct net_device *dev) {
1930 struct airo_info *info = dev->priv;
1931 Resp rsp;
1932
1933 if (test_bit(FLAG_FLASHING, &info->flags))
1934 return -EIO;
1935
1936 /* Make sure the card is configured.
1937 * Wireless Extensions may postpone config changes until the card
1938 * is open (to pipeline changes and speed-up card setup). If
1939 * those changes are not yet commited, do it now - Jean II */
1940 if (test_bit (FLAG_COMMIT, &info->flags)) {
1941 disable_MAC(info, 1);
1942 writeConfigRid(info, 1);
1943 }
1944
1945 if (info->wifidev != dev) {
1946 /* Power on the MAC controller (which may have been disabled) */
1947 clear_bit(FLAG_RADIO_DOWN, &info->flags);
1948 enable_interrupts(info);
1949 }
1950 enable_MAC(info, &rsp, 1);
1951
1952 netif_start_queue(dev);
1953 return 0;
1954 }
1955
1956 static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1957 int npacks, pending;
1958 unsigned long flags;
1959 struct airo_info *ai = dev->priv;
1960
1961 if (!skb) {
1962 airo_print_err(dev->name, "%s: skb == NULL!",__FUNCTION__);
1963 return 0;
1964 }
1965 npacks = skb_queue_len (&ai->txq);
1966
1967 if (npacks >= MAXTXQ - 1) {
1968 netif_stop_queue (dev);
1969 if (npacks > MAXTXQ) {
1970 ai->stats.tx_fifo_errors++;
1971 return 1;
1972 }
1973 skb_queue_tail (&ai->txq, skb);
1974 return 0;
1975 }
1976
1977 spin_lock_irqsave(&ai->aux_lock, flags);
1978 skb_queue_tail (&ai->txq, skb);
1979 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1980 spin_unlock_irqrestore(&ai->aux_lock,flags);
1981 netif_wake_queue (dev);
1982
1983 if (pending == 0) {
1984 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1985 mpi_send_packet (dev);
1986 }
1987 return 0;
1988 }
1989
1990 /*
1991 * @mpi_send_packet
1992 *
1993 * Attempt to transmit a packet. Can be called from interrupt
1994 * or transmit . return number of packets we tried to send
1995 */
1996
1997 static int mpi_send_packet (struct net_device *dev)
1998 {
1999 struct sk_buff *skb;
2000 unsigned char *buffer;
2001 s16 len, *payloadLen;
2002 struct airo_info *ai = dev->priv;
2003 u8 *sendbuf;
2004
2005 /* get a packet to send */
2006
2007 if ((skb = skb_dequeue(&ai->txq)) == 0) {
2008 airo_print_err(dev->name,
2009 "%s: Dequeue'd zero in send_packet()",
2010 __FUNCTION__);
2011 return 0;
2012 }
2013
2014 /* check min length*/
2015 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2016 buffer = skb->data;
2017
2018 ai->txfids[0].tx_desc.offset = 0;
2019 ai->txfids[0].tx_desc.valid = 1;
2020 ai->txfids[0].tx_desc.eoc = 1;
2021 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
2022
2023 /*
2024 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
2025 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
2026 * is immediatly after it. ------------------------------------------------
2027 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
2028 * ------------------------------------------------
2029 */
2030
2031 memcpy((char *)ai->txfids[0].virtual_host_addr,
2032 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2033
2034 payloadLen = (s16 *)(ai->txfids[0].virtual_host_addr +
2035 sizeof(wifictlhdr8023));
2036 sendbuf = ai->txfids[0].virtual_host_addr +
2037 sizeof(wifictlhdr8023) + 2 ;
2038
2039 /*
2040 * Firmware automaticly puts 802 header on so
2041 * we don't need to account for it in the length
2042 */
2043 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2044 (ntohs(((u16 *)buffer)[6]) != 0x888E)) {
2045 MICBuffer pMic;
2046
2047 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2048 return ERROR;
2049
2050 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2051 ai->txfids[0].tx_desc.len += sizeof(pMic);
2052 /* copy data into airo dma buffer */
2053 memcpy (sendbuf, buffer, sizeof(etherHead));
2054 buffer += sizeof(etherHead);
2055 sendbuf += sizeof(etherHead);
2056 memcpy (sendbuf, &pMic, sizeof(pMic));
2057 sendbuf += sizeof(pMic);
2058 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2059 } else {
2060 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2061
2062 dev->trans_start = jiffies;
2063
2064 /* copy data into airo dma buffer */
2065 memcpy(sendbuf, buffer, len);
2066 }
2067
2068 memcpy_toio(ai->txfids[0].card_ram_off,
2069 &ai->txfids[0].tx_desc, sizeof(TxFid));
2070
2071 OUT4500(ai, EVACK, 8);
2072
2073 dev_kfree_skb_any(skb);
2074 return 1;
2075 }
2076
2077 static void get_tx_error(struct airo_info *ai, s32 fid)
2078 {
2079 u16 status;
2080
2081 if (fid < 0)
2082 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2083 else {
2084 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2085 return;
2086 bap_read(ai, &status, 2, BAP0);
2087 }
2088 if (le16_to_cpu(status) & 2) /* Too many retries */
2089 ai->stats.tx_aborted_errors++;
2090 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2091 ai->stats.tx_heartbeat_errors++;
2092 if (le16_to_cpu(status) & 8) /* Aid fail */
2093 { }
2094 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2095 ai->stats.tx_carrier_errors++;
2096 if (le16_to_cpu(status) & 0x20) /* Association lost */
2097 { }
2098 /* We produce a TXDROP event only for retry or lifetime
2099 * exceeded, because that's the only status that really mean
2100 * that this particular node went away.
2101 * Other errors means that *we* screwed up. - Jean II */
2102 if ((le16_to_cpu(status) & 2) ||
2103 (le16_to_cpu(status) & 4)) {
2104 union iwreq_data wrqu;
2105 char junk[0x18];
2106
2107 /* Faster to skip over useless data than to do
2108 * another bap_setup(). We are at offset 0x6 and
2109 * need to go to 0x18 and read 6 bytes - Jean II */
2110 bap_read(ai, (u16 *) junk, 0x18, BAP0);
2111
2112 /* Copy 802.11 dest address.
2113 * We use the 802.11 header because the frame may
2114 * not be 802.3 or may be mangled...
2115 * In Ad-Hoc mode, it will be the node address.
2116 * In managed mode, it will be most likely the AP addr
2117 * User space will figure out how to convert it to
2118 * whatever it needs (IP address or else).
2119 * - Jean II */
2120 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2121 wrqu.addr.sa_family = ARPHRD_ETHER;
2122
2123 /* Send event to user space */
2124 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2125 }
2126 }
2127
2128 static void airo_end_xmit(struct net_device *dev) {
2129 u16 status;
2130 int i;
2131 struct airo_info *priv = dev->priv;
2132 struct sk_buff *skb = priv->xmit.skb;
2133 int fid = priv->xmit.fid;
2134 u32 *fids = priv->fids;
2135
2136 clear_bit(JOB_XMIT, &priv->jobs);
2137 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2138 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2139 up(&priv->sem);
2140
2141 i = 0;
2142 if ( status == SUCCESS ) {
2143 dev->trans_start = jiffies;
2144 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2145 } else {
2146 priv->fids[fid] &= 0xffff;
2147 priv->stats.tx_window_errors++;
2148 }
2149 if (i < MAX_FIDS / 2)
2150 netif_wake_queue(dev);
2151 dev_kfree_skb(skb);
2152 }
2153
2154 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2155 s16 len;
2156 int i, j;
2157 struct airo_info *priv = dev->priv;
2158 u32 *fids = priv->fids;
2159
2160 if ( skb == NULL ) {
2161 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2162 return 0;
2163 }
2164
2165 /* Find a vacant FID */
2166 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2167 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2168
2169 if ( j >= MAX_FIDS / 2 ) {
2170 netif_stop_queue(dev);
2171
2172 if (i == MAX_FIDS / 2) {
2173 priv->stats.tx_fifo_errors++;
2174 return 1;
2175 }
2176 }
2177 /* check min length*/
2178 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2179 /* Mark fid as used & save length for later */
2180 fids[i] |= (len << 16);
2181 priv->xmit.skb = skb;
2182 priv->xmit.fid = i;
2183 if (down_trylock(&priv->sem) != 0) {
2184 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2185 netif_stop_queue(dev);
2186 set_bit(JOB_XMIT, &priv->jobs);
2187 wake_up_interruptible(&priv->thr_wait);
2188 } else
2189 airo_end_xmit(dev);
2190 return 0;
2191 }
2192
2193 static void airo_end_xmit11(struct net_device *dev) {
2194 u16 status;
2195 int i;
2196 struct airo_info *priv = dev->priv;
2197 struct sk_buff *skb = priv->xmit11.skb;
2198 int fid = priv->xmit11.fid;
2199 u32 *fids = priv->fids;
2200
2201 clear_bit(JOB_XMIT11, &priv->jobs);
2202 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2203 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2204 up(&priv->sem);
2205
2206 i = MAX_FIDS / 2;
2207 if ( status == SUCCESS ) {
2208 dev->trans_start = jiffies;
2209 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2210 } else {
2211 priv->fids[fid] &= 0xffff;
2212 priv->stats.tx_window_errors++;
2213 }
2214 if (i < MAX_FIDS)
2215 netif_wake_queue(dev);
2216 dev_kfree_skb(skb);
2217 }
2218
2219 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2220 s16 len;
2221 int i, j;
2222 struct airo_info *priv = dev->priv;
2223 u32 *fids = priv->fids;
2224
2225 if (test_bit(FLAG_MPI, &priv->flags)) {
2226 /* Not implemented yet for MPI350 */
2227 netif_stop_queue(dev);
2228 return -ENETDOWN;
2229 }
2230
2231 if ( skb == NULL ) {
2232 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2233 return 0;
2234 }
2235
2236 /* Find a vacant FID */
2237 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2238 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2239
2240 if ( j >= MAX_FIDS ) {
2241 netif_stop_queue(dev);
2242
2243 if (i == MAX_FIDS) {
2244 priv->stats.tx_fifo_errors++;
2245 return 1;
2246 }
2247 }
2248 /* check min length*/
2249 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2250 /* Mark fid as used & save length for later */
2251 fids[i] |= (len << 16);
2252 priv->xmit11.skb = skb;
2253 priv->xmit11.fid = i;
2254 if (down_trylock(&priv->sem) != 0) {
2255 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2256 netif_stop_queue(dev);
2257 set_bit(JOB_XMIT11, &priv->jobs);
2258 wake_up_interruptible(&priv->thr_wait);
2259 } else
2260 airo_end_xmit11(dev);
2261 return 0;
2262 }
2263
2264 static void airo_read_stats(struct airo_info *ai) {
2265 StatsRid stats_rid;
2266 u32 *vals = stats_rid.vals;
2267
2268 clear_bit(JOB_STATS, &ai->jobs);
2269 if (ai->power.event) {
2270 up(&ai->sem);
2271 return;
2272 }
2273 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2274 up(&ai->sem);
2275
2276 ai->stats.rx_packets = vals[43] + vals[44] + vals[45];
2277 ai->stats.tx_packets = vals[39] + vals[40] + vals[41];
2278 ai->stats.rx_bytes = vals[92];
2279 ai->stats.tx_bytes = vals[91];
2280 ai->stats.rx_errors = vals[0] + vals[2] + vals[3] + vals[4];
2281 ai->stats.tx_errors = vals[42] + ai->stats.tx_fifo_errors;
2282 ai->stats.multicast = vals[43];
2283 ai->stats.collisions = vals[89];
2284
2285 /* detailed rx_errors: */
2286 ai->stats.rx_length_errors = vals[3];
2287 ai->stats.rx_crc_errors = vals[4];
2288 ai->stats.rx_frame_errors = vals[2];
2289 ai->stats.rx_fifo_errors = vals[0];
2290 }
2291
2292 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2293 {
2294 struct airo_info *local = dev->priv;
2295
2296 if (!test_bit(JOB_STATS, &local->jobs)) {
2297 /* Get stats out of the card if available */
2298 if (down_trylock(&local->sem) != 0) {
2299 set_bit(JOB_STATS, &local->jobs);
2300 wake_up_interruptible(&local->thr_wait);
2301 } else
2302 airo_read_stats(local);
2303 }
2304
2305 return &local->stats;
2306 }
2307
2308 static void airo_set_promisc(struct airo_info *ai) {
2309 Cmd cmd;
2310 Resp rsp;
2311
2312 memset(&cmd, 0, sizeof(cmd));
2313 cmd.cmd=CMD_SETMODE;
2314 clear_bit(JOB_PROMISC, &ai->jobs);
2315 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2316 issuecommand(ai, &cmd, &rsp);
2317 up(&ai->sem);
2318 }
2319
2320 static void airo_set_multicast_list(struct net_device *dev) {
2321 struct airo_info *ai = dev->priv;
2322
2323 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2324 change_bit(FLAG_PROMISC, &ai->flags);
2325 if (down_trylock(&ai->sem) != 0) {
2326 set_bit(JOB_PROMISC, &ai->jobs);
2327 wake_up_interruptible(&ai->thr_wait);
2328 } else
2329 airo_set_promisc(ai);
2330 }
2331
2332 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2333 /* Turn on multicast. (Should be already setup...) */
2334 }
2335 }
2336
2337 static int airo_set_mac_address(struct net_device *dev, void *p)
2338 {
2339 struct airo_info *ai = dev->priv;
2340 struct sockaddr *addr = p;
2341 Resp rsp;
2342
2343 readConfigRid(ai, 1);
2344 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2345 set_bit (FLAG_COMMIT, &ai->flags);
2346 disable_MAC(ai, 1);
2347 writeConfigRid (ai, 1);
2348 enable_MAC(ai, &rsp, 1);
2349 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2350 if (ai->wifidev)
2351 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2352 return 0;
2353 }
2354
2355 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2356 {
2357 if ((new_mtu < 68) || (new_mtu > 2400))
2358 return -EINVAL;
2359 dev->mtu = new_mtu;
2360 return 0;
2361 }
2362
2363 static LIST_HEAD(airo_devices);
2364
2365 static void add_airo_dev(struct airo_info *ai)
2366 {
2367 /* Upper layers already keep track of PCI devices,
2368 * so we only need to remember our non-PCI cards. */
2369 if (!ai->pci)
2370 list_add_tail(&ai->dev_list, &airo_devices);
2371 }
2372
2373 static void del_airo_dev(struct airo_info *ai)
2374 {
2375 if (!ai->pci)
2376 list_del(&ai->dev_list);
2377 }
2378
2379 static int airo_close(struct net_device *dev) {
2380 struct airo_info *ai = dev->priv;
2381
2382 netif_stop_queue(dev);
2383
2384 if (ai->wifidev != dev) {
2385 #ifdef POWER_ON_DOWN
2386 /* Shut power to the card. The idea is that the user can save
2387 * power when he doesn't need the card with "ifconfig down".
2388 * That's the method that is most friendly towards the network
2389 * stack (i.e. the network stack won't try to broadcast
2390 * anything on the interface and routes are gone. Jean II */
2391 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2392 disable_MAC(ai, 1);
2393 #endif
2394 disable_interrupts( ai );
2395 }
2396 return 0;
2397 }
2398
2399 void stop_airo_card( struct net_device *dev, int freeres )
2400 {
2401 struct airo_info *ai = dev->priv;
2402
2403 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2404 disable_MAC(ai, 1);
2405 disable_interrupts(ai);
2406 free_irq( dev->irq, dev );
2407 takedown_proc_entry( dev, ai );
2408 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2409 unregister_netdev( dev );
2410 if (ai->wifidev) {
2411 unregister_netdev(ai->wifidev);
2412 free_netdev(ai->wifidev);
2413 ai->wifidev = NULL;
2414 }
2415 clear_bit(FLAG_REGISTERED, &ai->flags);
2416 }
2417 set_bit(JOB_DIE, &ai->jobs);
2418 kthread_stop(ai->airo_thread_task);
2419
2420 /*
2421 * Clean out tx queue
2422 */
2423 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2424 struct sk_buff *skb = NULL;
2425 for (;(skb = skb_dequeue(&ai->txq));)
2426 dev_kfree_skb(skb);
2427 }
2428
2429 airo_networks_free (ai);
2430
2431 kfree(ai->flash);
2432 kfree(ai->rssi);
2433 kfree(ai->APList);
2434 kfree(ai->SSID);
2435 if (freeres) {
2436 /* PCMCIA frees this stuff, so only for PCI and ISA */
2437 release_region( dev->base_addr, 64 );
2438 if (test_bit(FLAG_MPI, &ai->flags)) {
2439 if (ai->pci)
2440 mpi_unmap_card(ai->pci);
2441 if (ai->pcimem)
2442 iounmap(ai->pcimem);
2443 if (ai->pciaux)
2444 iounmap(ai->pciaux);
2445 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2446 ai->shared, ai->shared_dma);
2447 }
2448 }
2449 crypto_free_cipher(ai->tfm);
2450 del_airo_dev(ai);
2451 free_netdev( dev );
2452 }
2453
2454 EXPORT_SYMBOL(stop_airo_card);
2455
2456 static int wll_header_parse(struct sk_buff *skb, unsigned char *haddr)
2457 {
2458 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2459 return ETH_ALEN;
2460 }
2461
2462 static void mpi_unmap_card(struct pci_dev *pci)
2463 {
2464 unsigned long mem_start = pci_resource_start(pci, 1);
2465 unsigned long mem_len = pci_resource_len(pci, 1);
2466 unsigned long aux_start = pci_resource_start(pci, 2);
2467 unsigned long aux_len = AUXMEMSIZE;
2468
2469 release_mem_region(aux_start, aux_len);
2470 release_mem_region(mem_start, mem_len);
2471 }
2472
2473 /*************************************************************
2474 * This routine assumes that descriptors have been setup .
2475 * Run at insmod time or after reset when the decriptors
2476 * have been initialized . Returns 0 if all is well nz
2477 * otherwise . Does not allocate memory but sets up card
2478 * using previously allocated descriptors.
2479 */
2480 static int mpi_init_descriptors (struct airo_info *ai)
2481 {
2482 Cmd cmd;
2483 Resp rsp;
2484 int i;
2485 int rc = SUCCESS;
2486
2487 /* Alloc card RX descriptors */
2488 netif_stop_queue(ai->dev);
2489
2490 memset(&rsp,0,sizeof(rsp));
2491 memset(&cmd,0,sizeof(cmd));
2492
2493 cmd.cmd = CMD_ALLOCATEAUX;
2494 cmd.parm0 = FID_RX;
2495 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2496 cmd.parm2 = MPI_MAX_FIDS;
2497 rc=issuecommand(ai, &cmd, &rsp);
2498 if (rc != SUCCESS) {
2499 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2500 return rc;
2501 }
2502
2503 for (i=0; i<MPI_MAX_FIDS; i++) {
2504 memcpy_toio(ai->rxfids[i].card_ram_off,
2505 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2506 }
2507
2508 /* Alloc card TX descriptors */
2509
2510 memset(&rsp,0,sizeof(rsp));
2511 memset(&cmd,0,sizeof(cmd));
2512
2513 cmd.cmd = CMD_ALLOCATEAUX;
2514 cmd.parm0 = FID_TX;
2515 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2516 cmd.parm2 = MPI_MAX_FIDS;
2517
2518 for (i=0; i<MPI_MAX_FIDS; i++) {
2519 ai->txfids[i].tx_desc.valid = 1;
2520 memcpy_toio(ai->txfids[i].card_ram_off,
2521 &ai->txfids[i].tx_desc, sizeof(TxFid));
2522 }
2523 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2524
2525 rc=issuecommand(ai, &cmd, &rsp);
2526 if (rc != SUCCESS) {
2527 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2528 return rc;
2529 }
2530
2531 /* Alloc card Rid descriptor */
2532 memset(&rsp,0,sizeof(rsp));
2533 memset(&cmd,0,sizeof(cmd));
2534
2535 cmd.cmd = CMD_ALLOCATEAUX;
2536 cmd.parm0 = RID_RW;
2537 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2538 cmd.parm2 = 1; /* Magic number... */
2539 rc=issuecommand(ai, &cmd, &rsp);
2540 if (rc != SUCCESS) {
2541 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2542 return rc;
2543 }
2544
2545 memcpy_toio(ai->config_desc.card_ram_off,
2546 &ai->config_desc.rid_desc, sizeof(Rid));
2547
2548 return rc;
2549 }
2550
2551 /*
2552 * We are setting up three things here:
2553 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2554 * 2) Map PCI memory for issueing commands.
2555 * 3) Allocate memory (shared) to send and receive ethernet frames.
2556 */
2557 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci,
2558 const char *name)
2559 {
2560 unsigned long mem_start, mem_len, aux_start, aux_len;
2561 int rc = -1;
2562 int i;
2563 dma_addr_t busaddroff;
2564 unsigned char *vpackoff;
2565 unsigned char __iomem *pciaddroff;
2566
2567 mem_start = pci_resource_start(pci, 1);
2568 mem_len = pci_resource_len(pci, 1);
2569 aux_start = pci_resource_start(pci, 2);
2570 aux_len = AUXMEMSIZE;
2571
2572 if (!request_mem_region(mem_start, mem_len, name)) {
2573 airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s",
2574 (int)mem_start, (int)mem_len, name);
2575 goto out;
2576 }
2577 if (!request_mem_region(aux_start, aux_len, name)) {
2578 airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s",
2579 (int)aux_start, (int)aux_len, name);
2580 goto free_region1;
2581 }
2582
2583 ai->pcimem = ioremap(mem_start, mem_len);
2584 if (!ai->pcimem) {
2585 airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s",
2586 (int)mem_start, (int)mem_len, name);
2587 goto free_region2;
2588 }
2589 ai->pciaux = ioremap(aux_start, aux_len);
2590 if (!ai->pciaux) {
2591 airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s",
2592 (int)aux_start, (int)aux_len, name);
2593 goto free_memmap;
2594 }
2595
2596 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2597 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2598 if (!ai->shared) {
2599 airo_print_err(ai->dev->name, "Couldn't alloc_consistent %d",
2600 PCI_SHARED_LEN);
2601 goto free_auxmap;
2602 }
2603
2604 /*
2605 * Setup descriptor RX, TX, CONFIG
2606 */
2607 busaddroff = ai->shared_dma;
2608 pciaddroff = ai->pciaux + AUX_OFFSET;
2609 vpackoff = ai->shared;
2610
2611 /* RX descriptor setup */
2612 for(i = 0; i < MPI_MAX_FIDS; i++) {
2613 ai->rxfids[i].pending = 0;
2614 ai->rxfids[i].card_ram_off = pciaddroff;
2615 ai->rxfids[i].virtual_host_addr = vpackoff;
2616 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2617 ai->rxfids[i].rx_desc.valid = 1;
2618 ai->rxfids[i].rx_desc.len = PKTSIZE;
2619 ai->rxfids[i].rx_desc.rdy = 0;
2620
2621 pciaddroff += sizeof(RxFid);
2622 busaddroff += PKTSIZE;
2623 vpackoff += PKTSIZE;
2624 }
2625
2626 /* TX descriptor setup */
2627 for(i = 0; i < MPI_MAX_FIDS; i++) {
2628 ai->txfids[i].card_ram_off = pciaddroff;
2629 ai->txfids[i].virtual_host_addr = vpackoff;
2630 ai->txfids[i].tx_desc.valid = 1;
2631 ai->txfids[i].tx_desc.host_addr = busaddroff;
2632 memcpy(ai->txfids[i].virtual_host_addr,
2633 &wifictlhdr8023, sizeof(wifictlhdr8023));
2634
2635 pciaddroff += sizeof(TxFid);
2636 busaddroff += PKTSIZE;
2637 vpackoff += PKTSIZE;
2638 }
2639 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2640
2641 /* Rid descriptor setup */
2642 ai->config_desc.card_ram_off = pciaddroff;
2643 ai->config_desc.virtual_host_addr = vpackoff;
2644 ai->config_desc.rid_desc.host_addr = busaddroff;
2645 ai->ridbus = busaddroff;
2646 ai->config_desc.rid_desc.rid = 0;
2647 ai->config_desc.rid_desc.len = RIDSIZE;
2648 ai->config_desc.rid_desc.valid = 1;
2649 pciaddroff += sizeof(Rid);
2650 busaddroff += RIDSIZE;
2651 vpackoff += RIDSIZE;
2652
2653 /* Tell card about descriptors */
2654 if (mpi_init_descriptors (ai) != SUCCESS)
2655 goto free_shared;
2656
2657 return 0;
2658 free_shared:
2659 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2660 free_auxmap:
2661 iounmap(ai->pciaux);
2662 free_memmap:
2663 iounmap(ai->pcimem);
2664 free_region2:
2665 release_mem_region(aux_start, aux_len);
2666 free_region1:
2667 release_mem_region(mem_start, mem_len);
2668 out:
2669 return rc;
2670 }
2671
2672 static void wifi_setup(struct net_device *dev)
2673 {
2674 dev->hard_header = NULL;
2675 dev->rebuild_header = NULL;
2676 dev->hard_header_cache = NULL;
2677 dev->header_cache_update= NULL;
2678
2679 dev->hard_header_parse = wll_header_parse;
2680 dev->hard_start_xmit = &airo_start_xmit11;
2681 dev->get_stats = &airo_get_stats;
2682 dev->set_mac_address = &airo_set_mac_address;
2683 dev->do_ioctl = &airo_ioctl;
2684 dev->wireless_handlers = &airo_handler_def;
2685 dev->change_mtu = &airo_change_mtu;
2686 dev->open = &airo_open;
2687 dev->stop = &airo_close;
2688
2689 dev->type = ARPHRD_IEEE80211;
2690 dev->hard_header_len = ETH_HLEN;
2691 dev->mtu = AIRO_DEF_MTU;
2692 dev->addr_len = ETH_ALEN;
2693 dev->tx_queue_len = 100;
2694
2695 memset(dev->broadcast,0xFF, ETH_ALEN);
2696
2697 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2698 }
2699
2700 static struct net_device *init_wifidev(struct airo_info *ai,
2701 struct net_device *ethdev)
2702 {
2703 int err;
2704 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2705 if (!dev)
2706 return NULL;
2707 dev->priv = ethdev->priv;
2708 dev->irq = ethdev->irq;
2709 dev->base_addr = ethdev->base_addr;
2710 dev->wireless_data = ethdev->wireless_data;
2711 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2712 err = register_netdev(dev);
2713 if (err<0) {
2714 free_netdev(dev);
2715 return NULL;
2716 }
2717 return dev;
2718 }
2719
2720 static int reset_card( struct net_device *dev , int lock) {
2721 struct airo_info *ai = dev->priv;
2722
2723 if (lock && down_interruptible(&ai->sem))
2724 return -1;
2725 waitbusy (ai);
2726 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2727 msleep(200);
2728 waitbusy (ai);
2729 msleep(200);
2730 if (lock)
2731 up(&ai->sem);
2732 return 0;
2733 }
2734
2735 #define AIRO_MAX_NETWORK_COUNT 64
2736 static int airo_networks_allocate(struct airo_info *ai)
2737 {
2738 if (ai->networks)
2739 return 0;
2740
2741 ai->networks =
2742 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2743 GFP_KERNEL);
2744 if (!ai->networks) {
2745 airo_print_warn(ai->dev->name, "Out of memory allocating beacons");
2746 return -ENOMEM;
2747 }
2748
2749 return 0;
2750 }
2751
2752 static void airo_networks_free(struct airo_info *ai)
2753 {
2754 kfree(ai->networks);
2755 ai->networks = NULL;
2756 }
2757
2758 static void airo_networks_initialize(struct airo_info *ai)
2759 {
2760 int i;
2761
2762 INIT_LIST_HEAD(&ai->network_free_list);
2763 INIT_LIST_HEAD(&ai->network_list);
2764 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2765 list_add_tail(&ai->networks[i].list,
2766 &ai->network_free_list);
2767 }
2768
2769 static int airo_test_wpa_capable(struct airo_info *ai)
2770 {
2771 int status;
2772 CapabilityRid cap_rid;
2773 const char *name = ai->dev->name;
2774
2775 status = readCapabilityRid(ai, &cap_rid, 1);
2776 if (status != SUCCESS) return 0;
2777
2778 /* Only firmware versions 5.30.17 or better can do WPA */
2779 if ((cap_rid.softVer > 0x530)
2780 || ((cap_rid.softVer == 0x530) && (cap_rid.softSubVer >= 17))) {
2781 airo_print_info(name, "WPA is supported.");
2782 return 1;
2783 }
2784
2785 /* No WPA support */
2786 airo_print_info(name, "WPA unsupported (only firmware versions 5.30.17"
2787 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2788 return 0;
2789 }
2790
2791 static struct net_device *_init_airo_card( unsigned short irq, int port,
2792 int is_pcmcia, struct pci_dev *pci,
2793 struct device *dmdev )
2794 {
2795 struct net_device *dev;
2796 struct airo_info *ai;
2797 int i, rc;
2798
2799 /* Create the network device object. */
2800 dev = alloc_etherdev(sizeof(*ai));
2801 if (!dev) {
2802 airo_print_err("", "Couldn't alloc_etherdev");
2803 return NULL;
2804 }
2805 if (dev_alloc_name(dev, dev->name) < 0) {
2806 airo_print_err("", "Couldn't get name!");
2807 goto err_out_free;
2808 }
2809
2810 ai = dev->priv;
2811 ai->wifidev = NULL;
2812 ai->flags = 0;
2813 ai->jobs = 0;
2814 ai->dev = dev;
2815 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2816 airo_print_dbg(dev->name, "Found an MPI350 card");
2817 set_bit(FLAG_MPI, &ai->flags);
2818 }
2819 spin_lock_init(&ai->aux_lock);
2820 sema_init(&ai->sem, 1);
2821 ai->config.len = 0;
2822 ai->pci = pci;
2823 init_waitqueue_head (&ai->thr_wait);
2824 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
2825 if (IS_ERR(ai->airo_thread_task))
2826 goto err_out_free;
2827 ai->tfm = NULL;
2828 add_airo_dev(ai);
2829
2830 if (airo_networks_allocate (ai))
2831 goto err_out_thr;
2832 airo_networks_initialize (ai);
2833
2834 /* The Airo-specific entries in the device structure. */
2835 if (test_bit(FLAG_MPI,&ai->flags)) {
2836 skb_queue_head_init (&ai->txq);
2837 dev->hard_start_xmit = &mpi_start_xmit;
2838 } else
2839 dev->hard_start_xmit = &airo_start_xmit;
2840 dev->get_stats = &airo_get_stats;
2841 dev->set_multicast_list = &airo_set_multicast_list;
2842 dev->set_mac_address = &airo_set_mac_address;
2843 dev->do_ioctl = &airo_ioctl;
2844 dev->wireless_handlers = &airo_handler_def;
2845 ai->wireless_data.spy_data = &ai->spy_data;
2846 dev->wireless_data = &ai->wireless_data;
2847 dev->change_mtu = &airo_change_mtu;
2848 dev->open = &airo_open;
2849 dev->stop = &airo_close;
2850 dev->irq = irq;
2851 dev->base_addr = port;
2852
2853 SET_NETDEV_DEV(dev, dmdev);
2854
2855 reset_card (dev, 1);
2856 msleep(400);
2857
2858 rc = request_irq( dev->irq, airo_interrupt, IRQF_SHARED, dev->name, dev );
2859 if (rc) {
2860 airo_print_err(dev->name, "register interrupt %d failed, rc %d",
2861 irq, rc);
2862 goto err_out_nets;
2863 }
2864 if (!is_pcmcia) {
2865 if (!request_region( dev->base_addr, 64, dev->name )) {
2866 rc = -EBUSY;
2867 airo_print_err(dev->name, "Couldn't request region");
2868 goto err_out_irq;
2869 }
2870 }
2871
2872 if (test_bit(FLAG_MPI,&ai->flags)) {
2873 if (mpi_map_card(ai, pci, dev->name)) {
2874 airo_print_err(dev->name, "Could not map memory");
2875 goto err_out_res;
2876 }
2877 }
2878
2879 if (probe) {
2880 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
2881 airo_print_err(dev->name, "MAC could not be enabled" );
2882 rc = -EIO;
2883 goto err_out_map;
2884 }
2885 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2886 ai->bap_read = fast_bap_read;
2887 set_bit(FLAG_FLASHING, &ai->flags);
2888 }
2889
2890 /* Test for WPA support */
2891 if (airo_test_wpa_capable(ai)) {
2892 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2893 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2894 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2895 ai->bssListRidLen = sizeof(BSSListRid);
2896 } else {
2897 ai->bssListFirst = RID_BSSLISTFIRST;
2898 ai->bssListNext = RID_BSSLISTNEXT;
2899 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2900 }
2901
2902 rc = register_netdev(dev);
2903 if (rc) {
2904 airo_print_err(dev->name, "Couldn't register_netdev");
2905 goto err_out_map;
2906 }
2907 ai->wifidev = init_wifidev(ai, dev);
2908 if (!ai->wifidev)
2909 goto err_out_reg;
2910
2911 set_bit(FLAG_REGISTERED,&ai->flags);
2912 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
2913 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2914 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5] );
2915
2916 /* Allocate the transmit buffers */
2917 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2918 for( i = 0; i < MAX_FIDS; i++ )
2919 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2920
2921 if (setup_proc_entry(dev, dev->priv) < 0)
2922 goto err_out_wifi;
2923
2924 netif_start_queue(dev);
2925 SET_MODULE_OWNER(dev);
2926 return dev;
2927
2928 err_out_wifi:
2929 unregister_netdev(ai->wifidev);
2930 free_netdev(ai->wifidev);
2931 err_out_reg:
2932 unregister_netdev(dev);
2933 err_out_map:
2934 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2935 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2936 iounmap(ai->pciaux);
2937 iounmap(ai->pcimem);
2938 mpi_unmap_card(ai->pci);
2939 }
2940 err_out_res:
2941 if (!is_pcmcia)
2942 release_region( dev->base_addr, 64 );
2943 err_out_irq:
2944 free_irq(dev->irq, dev);
2945 err_out_nets:
2946 airo_networks_free(ai);
2947 err_out_thr:
2948 del_airo_dev(ai);
2949 set_bit(JOB_DIE, &ai->jobs);
2950 kthread_stop(ai->airo_thread_task);
2951 err_out_free:
2952 free_netdev(dev);
2953 return NULL;
2954 }
2955
2956 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2957 struct device *dmdev)
2958 {
2959 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2960 }
2961
2962 EXPORT_SYMBOL(init_airo_card);
2963
2964 static int waitbusy (struct airo_info *ai) {
2965 int delay = 0;
2966 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2967 udelay (10);
2968 if ((++delay % 20) == 0)
2969 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2970 }
2971 return delay < 10000;
2972 }
2973
2974 int reset_airo_card( struct net_device *dev )
2975 {
2976 int i;
2977 struct airo_info *ai = dev->priv;
2978
2979 if (reset_card (dev, 1))
2980 return -1;
2981
2982 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2983 airo_print_err(dev->name, "MAC could not be enabled");
2984 return -1;
2985 }
2986 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
2987 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2988 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
2989 /* Allocate the transmit buffers if needed */
2990 if (!test_bit(FLAG_MPI,&ai->flags))
2991 for( i = 0; i < MAX_FIDS; i++ )
2992 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2993
2994 enable_interrupts( ai );
2995 netif_wake_queue(dev);
2996 return 0;
2997 }
2998
2999 EXPORT_SYMBOL(reset_airo_card);
3000
3001 static void airo_send_event(struct net_device *dev) {
3002 struct airo_info *ai = dev->priv;
3003 union iwreq_data wrqu;
3004 StatusRid status_rid;
3005
3006 clear_bit(JOB_EVENT, &ai->jobs);
3007 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
3008 up(&ai->sem);
3009 wrqu.data.length = 0;
3010 wrqu.data.flags = 0;
3011 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
3012 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3013
3014 /* Send event to user space */
3015 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
3016 }
3017
3018 static void airo_process_scan_results (struct airo_info *ai) {
3019 union iwreq_data wrqu;
3020 BSSListRid bss;
3021 int rc;
3022 BSSListElement * loop_net;
3023 BSSListElement * tmp_net;
3024
3025 /* Blow away current list of scan results */
3026 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3027 list_move_tail (&loop_net->list, &ai->network_free_list);
3028 /* Don't blow away ->list, just BSS data */
3029 memset (loop_net, 0, sizeof (loop_net->bss));
3030 }
3031
3032 /* Try to read the first entry of the scan result */
3033 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3034 if((rc) || (bss.index == 0xffff)) {
3035 /* No scan results */
3036 goto out;
3037 }
3038
3039 /* Read and parse all entries */
3040 tmp_net = NULL;
3041 while((!rc) && (bss.index != 0xffff)) {
3042 /* Grab a network off the free list */
3043 if (!list_empty(&ai->network_free_list)) {
3044 tmp_net = list_entry(ai->network_free_list.next,
3045 BSSListElement, list);
3046 list_del(ai->network_free_list.next);
3047 }
3048
3049 if (tmp_net != NULL) {
3050 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3051 list_add_tail(&tmp_net->list, &ai->network_list);
3052 tmp_net = NULL;
3053 }
3054
3055 /* Read next entry */
3056 rc = PC4500_readrid(ai, ai->bssListNext,
3057 &bss, ai->bssListRidLen, 0);
3058 }
3059
3060 out:
3061 ai->scan_timeout = 0;
3062 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3063 up(&ai->sem);
3064
3065 /* Send an empty event to user space.
3066 * We don't send the received data on
3067 * the event because it would require
3068 * us to do complex transcoding, and
3069 * we want to minimise the work done in
3070 * the irq handler. Use a request to
3071 * extract the data - Jean II */
3072 wrqu.data.length = 0;
3073 wrqu.data.flags = 0;
3074 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3075 }
3076
3077 static int airo_thread(void *data) {
3078 struct net_device *dev = data;
3079 struct airo_info *ai = dev->priv;
3080 int locked;
3081
3082 while(1) {
3083 /* make swsusp happy with our thread */
3084 try_to_freeze();
3085
3086 if (test_bit(JOB_DIE, &ai->jobs))
3087 break;
3088
3089 if (ai->jobs) {
3090 locked = down_interruptible(&ai->sem);
3091 } else {
3092 wait_queue_t wait;
3093
3094 init_waitqueue_entry(&wait, current);
3095 add_wait_queue(&ai->thr_wait, &wait);
3096 for (;;) {
3097 set_current_state(TASK_INTERRUPTIBLE);
3098 if (ai->jobs)
3099 break;
3100 if (ai->expires || ai->scan_timeout) {
3101 if (ai->scan_timeout &&
3102 time_after_eq(jiffies,ai->scan_timeout)){
3103 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3104 break;
3105 } else if (ai->expires &&
3106 time_after_eq(jiffies,ai->expires)){
3107 set_bit(JOB_AUTOWEP, &ai->jobs);
3108 break;
3109 }
3110 if (!kthread_should_stop() &&
3111 !freezing(current)) {
3112 unsigned long wake_at;
3113 if (!ai->expires || !ai->scan_timeout) {
3114 wake_at = max(ai->expires,
3115 ai->scan_timeout);
3116 } else {
3117 wake_at = min(ai->expires,
3118 ai->scan_timeout);
3119 }
3120 schedule_timeout(wake_at - jiffies);
3121 continue;
3122 }
3123 } else if (!kthread_should_stop() &&
3124 !freezing(current)) {
3125 schedule();
3126 continue;
3127 }
3128 break;
3129 }
3130 current->state = TASK_RUNNING;
3131 remove_wait_queue(&ai->thr_wait, &wait);
3132 locked = 1;
3133 }
3134
3135 if (locked)
3136 continue;
3137
3138 if (test_bit(JOB_DIE, &ai->jobs)) {
3139 up(&ai->sem);
3140 break;
3141 }
3142
3143 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3144 up(&ai->sem);
3145 continue;
3146 }
3147
3148 if (test_bit(JOB_XMIT, &ai->jobs))
3149 airo_end_xmit(dev);
3150 else if (test_bit(JOB_XMIT11, &ai->jobs))
3151 airo_end_xmit11(dev);
3152 else if (test_bit(JOB_STATS, &ai->jobs))
3153 airo_read_stats(ai);
3154 else if (test_bit(JOB_WSTATS, &ai->jobs))
3155 airo_read_wireless_stats(ai);
3156 else if (test_bit(JOB_PROMISC, &ai->jobs))
3157 airo_set_promisc(ai);
3158 else if (test_bit(JOB_MIC, &ai->jobs))
3159 micinit(ai);
3160 else if (test_bit(JOB_EVENT, &ai->jobs))
3161 airo_send_event(dev);
3162 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3163 timer_func(dev);
3164 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3165 airo_process_scan_results(ai);
3166 else /* Shouldn't get here, but we make sure to unlock */
3167 up(&ai->sem);
3168 }
3169
3170 return 0;
3171 }
3172
3173 static irqreturn_t airo_interrupt ( int irq, void* dev_id) {
3174 struct net_device *dev = (struct net_device *)dev_id;
3175 u16 status;
3176 u16 fid;
3177 struct airo_info *apriv = dev->priv;
3178 u16 savedInterrupts = 0;
3179 int handled = 0;
3180
3181 if (!netif_device_present(dev))
3182 return IRQ_NONE;
3183
3184 for (;;) {
3185 status = IN4500( apriv, EVSTAT );
3186 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3187
3188 handled = 1;
3189
3190 if ( status & EV_AWAKE ) {
3191 OUT4500( apriv, EVACK, EV_AWAKE );
3192 OUT4500( apriv, EVACK, EV_AWAKE );
3193 }
3194
3195 if (!savedInterrupts) {
3196 savedInterrupts = IN4500( apriv, EVINTEN );
3197 OUT4500( apriv, EVINTEN, 0 );
3198 }
3199
3200 if ( status & EV_MIC ) {
3201 OUT4500( apriv, EVACK, EV_MIC );
3202 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3203 set_bit(JOB_MIC, &apriv->jobs);
3204 wake_up_interruptible(&apriv->thr_wait);
3205 }
3206 }
3207 if ( status & EV_LINK ) {
3208 union iwreq_data wrqu;
3209 int scan_forceloss = 0;
3210 /* The link status has changed, if you want to put a
3211 monitor hook in, do it here. (Remember that
3212 interrupts are still disabled!)
3213 */
3214 u16 newStatus = IN4500(apriv, LINKSTAT);
3215 OUT4500( apriv, EVACK, EV_LINK);
3216 /* Here is what newStatus means: */
3217 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3218 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3219 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3220 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3221 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3222 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3223 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3224 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3225 code) */
3226 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3227 code) */
3228 #define ASSOCIATED 0x0400 /* Associated */
3229 #define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3230 #define RC_RESERVED 0 /* Reserved return code */
3231 #define RC_NOREASON 1 /* Unspecified reason */
3232 #define RC_AUTHINV 2 /* Previous authentication invalid */
3233 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3234 leaving */
3235 #define RC_NOACT 4 /* Disassociated due to inactivity */
3236 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3237 all currently associated stations */
3238 #define RC_BADCLASS2 6 /* Class 2 frame received from
3239 non-Authenticated station */
3240 #define RC_BADCLASS3 7 /* Class 3 frame received from
3241 non-Associated station */
3242 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3243 leaving BSS */
3244 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3245 Authenticated with the responding station */
3246 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3247 scan_forceloss = 1;
3248 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
3249 if (auto_wep)
3250 apriv->expires = 0;
3251 if (apriv->list_bss_task)
3252 wake_up_process(apriv->list_bss_task);
3253 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3254 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
3255
3256 if (down_trylock(&apriv->sem) != 0) {
3257 set_bit(JOB_EVENT, &apriv->jobs);
3258 wake_up_interruptible(&apriv->thr_wait);
3259 } else
3260 airo_send_event(dev);
3261 } else if (!scan_forceloss) {
3262 if (auto_wep && !apriv->expires) {
3263 apriv->expires = RUN_AT(3*HZ);
3264 wake_up_interruptible(&apriv->thr_wait);
3265 }
3266
3267 /* Send event to user space */
3268 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3269 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3270 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3271 }
3272 }
3273
3274 /* Check to see if there is something to receive */
3275 if ( status & EV_RX ) {
3276 struct sk_buff *skb = NULL;
3277 u16 fc, len, hdrlen = 0;
3278 #pragma pack(1)
3279 struct {
3280 u16 status, len;
3281 u8 rssi[2];
3282 u8 rate;
3283 u8 freq;
3284 u16 tmp[4];
3285 } hdr;
3286 #pragma pack()
3287 u16 gap;
3288 u16 tmpbuf[4];
3289 u16 *buffer;
3290
3291 if (test_bit(FLAG_MPI,&apriv->flags)) {
3292 if (test_bit(FLAG_802_11, &apriv->flags))
3293 mpi_receive_802_11(apriv);
3294 else
3295 mpi_receive_802_3(apriv);
3296 OUT4500(apriv, EVACK, EV_RX);
3297 goto exitrx;
3298 }
3299
3300 fid = IN4500( apriv, RXFID );
3301
3302 /* Get the packet length */
3303 if (test_bit(FLAG_802_11, &apriv->flags)) {
3304 bap_setup (apriv, fid, 4, BAP0);
3305 bap_read (apriv, (u16*)&hdr, sizeof(hdr), BAP0);
3306 /* Bad CRC. Ignore packet */
3307 if (le16_to_cpu(hdr.status) & 2)
3308 hdr.len = 0;
3309 if (apriv->wifidev == NULL)
3310 hdr.len = 0;
3311 } else {
3312 bap_setup (apriv, fid, 0x36, BAP0);
3313 bap_read (apriv, (u16*)&hdr.len, 2, BAP0);
3314 }
3315 len = le16_to_cpu(hdr.len);
3316
3317 if (len > AIRO_DEF_MTU) {
3318 airo_print_err(apriv->dev->name, "Bad size %d", len);
3319 goto badrx;
3320 }
3321 if (len == 0)
3322 goto badrx;
3323
3324 if (test_bit(FLAG_802_11, &apriv->flags)) {
3325 bap_read (apriv, (u16*)&fc, sizeof(fc), BAP0);
3326 fc = le16_to_cpu(fc);
3327 switch (fc & 0xc) {
3328 case 4:
3329 if ((fc & 0xe0) == 0xc0)
3330 hdrlen = 10;
3331 else
3332 hdrlen = 16;
3333 break;
3334 case 8:
3335 if ((fc&0x300)==0x300){
3336 hdrlen = 30;
3337 break;
3338 }
3339 default:
3340 hdrlen = 24;
3341 }
3342 } else
3343 hdrlen = ETH_ALEN * 2;
3344
3345 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3346 if ( !skb ) {
3347 apriv->stats.rx_dropped++;
3348 goto badrx;
3349 }
3350 skb_reserve(skb, 2); /* This way the IP header is aligned */
3351 buffer = (u16*)skb_put (skb, len + hdrlen);
3352 if (test_bit(FLAG_802_11, &apriv->flags)) {
3353 buffer[0] = fc;
3354 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3355 if (hdrlen == 24)
3356 bap_read (apriv, tmpbuf, 6, BAP0);
3357
3358 bap_read (apriv, &gap, sizeof(gap), BAP0);
3359 gap = le16_to_cpu(gap);
3360 if (gap) {
3361 if (gap <= 8) {
3362 bap_read (apriv, tmpbuf, gap, BAP0);
3363 } else {
3364 airo_print_err(apriv->dev->name, "gaplen too "
3365 "big. Problems will follow...");
3366 }
3367 }
3368 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3369 } else {
3370 MICBuffer micbuf;
3371 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
3372 if (apriv->micstats.enabled) {
3373 bap_read (apriv,(u16*)&micbuf,sizeof(micbuf),BAP0);
3374 if (ntohs(micbuf.typelen) > 0x05DC)
3375 bap_setup (apriv, fid, 0x44, BAP0);
3376 else {
3377 if (len <= sizeof(micbuf))
3378 goto badmic;
3379
3380 len -= sizeof(micbuf);
3381 skb_trim (skb, len + hdrlen);
3382 }
3383 }
3384 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
3385 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3386 badmic:
3387 dev_kfree_skb_irq (skb);
3388 badrx:
3389 OUT4500( apriv, EVACK, EV_RX);
3390 goto exitrx;
3391 }
3392 }
3393 #ifdef WIRELESS_SPY
3394 if (apriv->spy_data.spy_number > 0) {
3395 char *sa;
3396 struct iw_quality wstats;
3397 /* Prepare spy data : addr + qual */
3398 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3399 sa = (char*)buffer + 6;
3400 bap_setup (apriv, fid, 8, BAP0);
3401 bap_read (apriv, (u16*)hdr.rssi, 2, BAP0);
3402 } else
3403 sa = (char*)buffer + 10;
3404 wstats.qual = hdr.rssi[0];
3405 if (apriv->rssi)
3406 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3407 else
3408 wstats.level = (hdr.rssi[1] + 321) / 2;
3409 wstats.noise = apriv->wstats.qual.noise;
3410 wstats.updated = IW_QUAL_LEVEL_UPDATED
3411 | IW_QUAL_QUAL_UPDATED
3412 | IW_QUAL_DBM;
3413 /* Update spy records */
3414 wireless_spy_update(dev, sa, &wstats);
3415 }
3416 #endif /* WIRELESS_SPY */
3417 OUT4500( apriv, EVACK, EV_RX);
3418
3419 if (test_bit(FLAG_802_11, &apriv->flags)) {
3420 skb_reset_mac_header(skb);
3421 skb->pkt_type = PACKET_OTHERHOST;
3422 skb->dev = apriv->wifidev;
3423 skb->protocol = htons(ETH_P_802_2);
3424 } else
3425 skb->protocol = eth_type_trans(skb,dev);
3426 skb->dev->last_rx = jiffies;
3427 skb->ip_summed = CHECKSUM_NONE;
3428
3429 netif_rx( skb );
3430 }
3431 exitrx:
3432
3433 /* Check to see if a packet has been transmitted */
3434 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3435 int i;
3436 int len = 0;
3437 int index = -1;
3438
3439 if (test_bit(FLAG_MPI,&apriv->flags)) {
3440 unsigned long flags;
3441
3442 if (status & EV_TXEXC)
3443 get_tx_error(apriv, -1);
3444 spin_lock_irqsave(&apriv->aux_lock, flags);
3445 if (!skb_queue_empty(&apriv->txq)) {
3446 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3447 mpi_send_packet (dev);
3448 } else {
3449 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3450 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3451 netif_wake_queue (dev);
3452 }
3453 OUT4500( apriv, EVACK,
3454 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3455 goto exittx;
3456 }
3457
3458 fid = IN4500(apriv, TXCOMPLFID);
3459
3460 for( i = 0; i < MAX_FIDS; i++ ) {
3461 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3462 len = apriv->fids[i] >> 16;
3463 index = i;
3464 }
3465 }
3466 if (index != -1) {
3467 if (status & EV_TXEXC)
3468 get_tx_error(apriv, index);
3469 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3470 /* Set up to be used again */
3471 apriv->fids[index] &= 0xffff;
3472 if (index < MAX_FIDS / 2) {
3473 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3474 netif_wake_queue(dev);
3475 } else {
3476 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3477 netif_wake_queue(apriv->wifidev);
3478 }
3479 } else {
3480 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3481 airo_print_err(apriv->dev->name, "Unallocated FID was "
3482 "used to xmit" );
3483 }
3484 }
3485 exittx:
3486 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
3487 airo_print_warn(apriv->dev->name, "Got weird status %x",
3488 status & ~STATUS_INTS & ~IGNORE_INTS );
3489 }
3490
3491 if (savedInterrupts)
3492 OUT4500( apriv, EVINTEN, savedInterrupts );
3493
3494 /* done.. */
3495 return IRQ_RETVAL(handled);
3496 }
3497
3498 /*
3499 * Routines to talk to the card
3500 */
3501
3502 /*
3503 * This was originally written for the 4500, hence the name
3504 * NOTE: If use with 8bit mode and SMP bad things will happen!
3505 * Why would some one do 8 bit IO in an SMP machine?!?
3506 */
3507 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3508 if (test_bit(FLAG_MPI,&ai->flags))
3509 reg <<= 1;
3510 if ( !do8bitIO )
3511 outw( val, ai->dev->base_addr + reg );
3512 else {
3513 outb( val & 0xff, ai->dev->base_addr + reg );
3514 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3515 }
3516 }
3517
3518 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3519 unsigned short rc;
3520
3521 if (test_bit(FLAG_MPI,&ai->flags))
3522 reg <<= 1;
3523 if ( !do8bitIO )
3524 rc = inw( ai->dev->base_addr + reg );
3525 else {
3526 rc = inb( ai->dev->base_addr + reg );
3527 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3528 }
3529 return rc;
3530 }
3531
3532 static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock ) {
3533 int rc;
3534 Cmd cmd;
3535
3536 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3537 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3538 * Note : we could try to use !netif_running(dev) in enable_MAC()
3539 * instead of this flag, but I don't trust it *within* the
3540 * open/close functions, and testing both flags together is
3541 * "cheaper" - Jean II */
3542 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3543
3544 if (lock && down_interruptible(&ai->sem))
3545 return -ERESTARTSYS;
3546
3547 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3548 memset(&cmd, 0, sizeof(cmd));
3549 cmd.cmd = MAC_ENABLE;
3550 rc = issuecommand(ai, &cmd, rsp);
3551 if (rc == SUCCESS)
3552 set_bit(FLAG_ENABLED, &ai->flags);
3553 } else
3554 rc = SUCCESS;
3555
3556 if (lock)
3557 up(&ai->sem);
3558
3559 if (rc)
3560 airo_print_err(ai->dev->name, "%s: Cannot enable MAC, err=%d",
3561 __FUNCTION__, rc);
3562 return rc;
3563 }
3564
3565 static void disable_MAC( struct airo_info *ai, int lock ) {
3566 Cmd cmd;
3567 Resp rsp;
3568
3569 if (lock && down_interruptible(&ai->sem))
3570 return;
3571
3572 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3573 memset(&cmd, 0, sizeof(cmd));
3574 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3575 issuecommand(ai, &cmd, &rsp);
3576 clear_bit(FLAG_ENABLED, &ai->flags);
3577 }
3578 if (lock)
3579 up(&ai->sem);
3580 }
3581
3582 static void enable_interrupts( struct airo_info *ai ) {
3583 /* Enable the interrupts */
3584 OUT4500( ai, EVINTEN, STATUS_INTS );
3585 }
3586
3587 static void disable_interrupts( struct airo_info *ai ) {
3588 OUT4500( ai, EVINTEN, 0 );
3589 }
3590
3591 static void mpi_receive_802_3(struct airo_info *ai)
3592 {
3593 RxFid rxd;
3594 int len = 0;
3595 struct sk_buff *skb;
3596 char *buffer;
3597 int off = 0;
3598 MICBuffer micbuf;
3599
3600 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3601 /* Make sure we got something */
3602 if (rxd.rdy && rxd.valid == 0) {
3603 len = rxd.len + 12;
3604 if (len < 12 || len > 2048)
3605 goto badrx;
3606
3607 skb = dev_alloc_skb(len);
3608 if (!skb) {
3609 ai->stats.rx_dropped++;
3610 goto badrx;
3611 }
3612 buffer = skb_put(skb,len);
3613 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3614 if (ai->micstats.enabled) {
3615 memcpy(&micbuf,
3616 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3617 sizeof(micbuf));
3618 if (ntohs(micbuf.typelen) <= 0x05DC) {
3619 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3620 goto badmic;
3621
3622 off = sizeof(micbuf);
3623 skb_trim (skb, len - off);
3624 }
3625 }
3626 memcpy(buffer + ETH_ALEN * 2,
3627 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3628 len - ETH_ALEN * 2 - off);
3629 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3630 badmic:
3631 dev_kfree_skb_irq (skb);
3632 goto badrx;
3633 }
3634 #ifdef WIRELESS_SPY
3635 if (ai->spy_data.spy_number > 0) {
3636 char *sa;
3637 struct iw_quality wstats;
3638 /* Prepare spy data : addr + qual */
3639 sa = buffer + ETH_ALEN;
3640 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3641 wstats.level = 0;
3642 wstats.updated = 0;
3643 /* Update spy records */
3644 wireless_spy_update(ai->dev, sa, &wstats);
3645 }
3646 #endif /* WIRELESS_SPY */
3647
3648 skb->ip_summed = CHECKSUM_NONE;
3649 skb->protocol = eth_type_trans(skb, ai->dev);
3650 skb->dev->last_rx = jiffies;
3651 netif_rx(skb);
3652 }
3653 badrx:
3654 if (rxd.valid == 0) {
3655 rxd.valid = 1;
3656 rxd.rdy = 0;
3657 rxd.len = PKTSIZE;
3658 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3659 }
3660 }
3661
3662 void mpi_receive_802_11 (struct airo_info *ai)
3663 {
3664 RxFid rxd;
3665 struct sk_buff *skb = NULL;
3666 u16 fc, len, hdrlen = 0;
3667 #pragma pack(1)
3668 struct {
3669 u16 status, len;
3670 u8 rssi[2];
3671 u8 rate;
3672 u8 freq;
3673 u16 tmp[4];
3674 } hdr;
3675 #pragma pack()
3676 u16 gap;
3677 u16 *buffer;
3678 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3679
3680 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3681 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3682 ptr += sizeof(hdr);
3683 /* Bad CRC. Ignore packet */
3684 if (le16_to_cpu(hdr.status) & 2)
3685 hdr.len = 0;
3686 if (ai->wifidev == NULL)
3687 hdr.len = 0;
3688 len = le16_to_cpu(hdr.len);
3689 if (len > AIRO_DEF_MTU) {
3690 airo_print_err(ai->dev->name, "Bad size %d", len);
3691 goto badrx;
3692 }
3693 if (len == 0)
3694 goto badrx;
3695
3696 memcpy ((char *)&fc, ptr, sizeof(fc));
3697 fc = le16_to_cpu(fc);
3698 switch (fc & 0xc) {
3699 case 4:
3700 if ((fc & 0xe0) == 0xc0)
3701 hdrlen = 10;
3702 else
3703 hdrlen = 16;
3704 break;
3705 case 8:
3706 if ((fc&0x300)==0x300){
3707 hdrlen = 30;
3708 break;
3709 }
3710 default:
3711 hdrlen = 24;
3712 }
3713
3714 skb = dev_alloc_skb( len + hdrlen + 2 );
3715 if ( !skb ) {
3716 ai->stats.rx_dropped++;
3717 goto badrx;
3718 }
3719 buffer = (u16*)skb_put (skb, len + hdrlen);
3720 memcpy ((char *)buffer, ptr, hdrlen);
3721 ptr += hdrlen;
3722 if (hdrlen == 24)
3723 ptr += 6;
3724 memcpy ((char *)&gap, ptr, sizeof(gap));
3725 ptr += sizeof(gap);
3726 gap = le16_to_cpu(gap);
3727 if (gap) {
3728 if (gap <= 8)
3729 ptr += gap;
3730 else
3731 airo_print_err(ai->dev->name,
3732 "gaplen too big. Problems will follow...");
3733 }
3734 memcpy ((char *)buffer + hdrlen, ptr, len);
3735 ptr += len;
3736 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3737 if (ai->spy_data.spy_number > 0) {
3738 char *sa;
3739 struct iw_quality wstats;
3740 /* Prepare spy data : addr + qual */
3741 sa = (char*)buffer + 10;
3742 wstats.qual = hdr.rssi[0];
3743 if (ai->rssi)
3744 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3745 else
3746 wstats.level = (hdr.rssi[1] + 321) / 2;
3747 wstats.noise = ai->wstats.qual.noise;
3748 wstats.updated = IW_QUAL_QUAL_UPDATED
3749 | IW_QUAL_LEVEL_UPDATED
3750 | IW_QUAL_DBM;
3751 /* Update spy records */
3752 wireless_spy_update(ai->dev, sa, &wstats);
3753 }
3754 #endif /* IW_WIRELESS_SPY */
3755 skb_reset_mac_header(skb);
3756 skb->pkt_type = PACKET_OTHERHOST;
3757 skb->dev = ai->wifidev;
3758 skb->protocol = htons(ETH_P_802_2);
3759 skb->dev->last_rx = jiffies;
3760 skb->ip_summed = CHECKSUM_NONE;
3761 netif_rx( skb );
3762 badrx:
3763 if (rxd.valid == 0) {
3764 rxd.valid = 1;
3765 rxd.rdy = 0;
3766 rxd.len = PKTSIZE;
3767 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3768 }
3769 }
3770
3771 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3772 {
3773 Cmd cmd;
3774 Resp rsp;
3775 int status;
3776 int i;
3777 SsidRid mySsid;
3778 u16 lastindex;
3779 WepKeyRid wkr;
3780 int rc;
3781
3782 memset( &mySsid, 0, sizeof( mySsid ) );
3783 kfree (ai->flash);
3784 ai->flash = NULL;
3785
3786 /* The NOP is the first step in getting the card going */
3787 cmd.cmd = NOP;
3788 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3789 if (lock && down_interruptible(&ai->sem))
3790 return ERROR;
3791 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3792 if (lock)
3793 up(&ai->sem);
3794 return ERROR;
3795 }
3796 disable_MAC( ai, 0);
3797
3798 // Let's figure out if we need to use the AUX port
3799 if (!test_bit(FLAG_MPI,&ai->flags)) {
3800 cmd.cmd = CMD_ENABLEAUX;
3801 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3802 if (lock)
3803 up(&ai->sem);
3804 airo_print_err(ai->dev->name, "Error checking for AUX port");
3805 return ERROR;
3806 }
3807 if (!aux_bap || rsp.status & 0xff00) {
3808 ai->bap_read = fast_bap_read;
3809 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3810 } else {
3811 ai->bap_read = aux_bap_read;
3812 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3813 }
3814 }
3815 if (lock)
3816 up(&ai->sem);
3817 if (ai->config.len == 0) {
3818 tdsRssiRid rssi_rid;
3819 CapabilityRid cap_rid;
3820
3821 kfree(ai->APList);
3822 ai->APList = NULL;
3823 kfree(ai->SSID);
3824 ai->SSID = NULL;
3825 // general configuration (read/modify/write)
3826 status = readConfigRid(ai, lock);
3827 if ( status != SUCCESS ) return ERROR;
3828
3829 status = readCapabilityRid(ai, &cap_rid, lock);
3830 if ( status != SUCCESS ) return ERROR;
3831
3832 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3833 if ( status == SUCCESS ) {
3834 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3835 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3836 }
3837 else {
3838 kfree(ai->rssi);
3839 ai->rssi = NULL;
3840 if (cap_rid.softCap & 8)
3841 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3842 else
3843 airo_print_warn(ai->dev->name, "unknown received signal "
3844 "level scale");
3845 }
3846 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3847 ai->config.authType = AUTH_OPEN;
3848 ai->config.modulation = MOD_CCK;
3849
3850 if ((cap_rid.len>=sizeof(cap_rid)) && (cap_rid.extSoftCap&1) &&
3851 (micsetup(ai) == SUCCESS)) {
3852 ai->config.opmode |= MODE_MIC;
3853 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3854 }
3855
3856 /* Save off the MAC */
3857 for( i = 0; i < ETH_ALEN; i++ ) {
3858 mac[i] = ai->config.macAddr[i];
3859 }
3860
3861 /* Check to see if there are any insmod configured
3862 rates to add */
3863 if ( rates[0] ) {
3864 int i = 0;
3865 memset(ai->config.rates,0,sizeof(ai->config.rates));
3866 for( i = 0; i < 8 && rates[i]; i++ ) {
3867 ai->config.rates[i] = rates[i];
3868 }
3869 }
3870 if ( basic_rate > 0 ) {
3871 int i;
3872 for( i = 0; i < 8; i++ ) {
3873 if ( ai->config.rates[i] == basic_rate ||
3874 !ai->config.rates ) {
3875 ai->config.rates[i] = basic_rate | 0x80;
3876 break;
3877 }
3878 }
3879 }
3880 set_bit (FLAG_COMMIT, &ai->flags);
3881 }
3882
3883 /* Setup the SSIDs if present */
3884 if ( ssids[0] ) {
3885 int i;
3886 for( i = 0; i < 3 && ssids[i]; i++ ) {
3887 mySsid.ssids[i].len = strlen(ssids[i]);
3888 if ( mySsid.ssids[i].len > 32 )
3889 mySsid.ssids[i].len = 32;
3890 memcpy(mySsid.ssids[i].ssid, ssids[i],
3891 mySsid.ssids[i].len);
3892 }
3893 mySsid.len = sizeof(mySsid);
3894 }
3895
3896 status = writeConfigRid(ai, lock);
3897 if ( status != SUCCESS ) return ERROR;
3898
3899 /* Set up the SSID list */
3900 if ( ssids[0] ) {
3901 status = writeSsidRid(ai, &mySsid, lock);
3902 if ( status != SUCCESS ) return ERROR;
3903 }
3904
3905 status = enable_MAC(ai, &rsp, lock);
3906 if ( status != SUCCESS || (rsp.status & 0xFF00) != 0) {
3907 airo_print_err(ai->dev->name, "Bad MAC enable reason = %x, rid = %x,"
3908 " offset = %d", rsp.rsp0, rsp.rsp1, rsp.rsp2 );
3909 return ERROR;
3910 }
3911
3912 /* Grab the initial wep key, we gotta save it for auto_wep */
3913 rc = readWepKeyRid(ai, &wkr, 1, lock);
3914 if (rc == SUCCESS) do {
3915 lastindex = wkr.kindex;
3916 if (wkr.kindex == 0xffff) {
3917 ai->defindex = wkr.mac[0];
3918 }
3919 rc = readWepKeyRid(ai, &wkr, 0, lock);
3920 } while(lastindex != wkr.kindex);
3921
3922 if (auto_wep) {
3923 ai->expires = RUN_AT(3*HZ);
3924 wake_up_interruptible(&ai->thr_wait);
3925 }
3926
3927 return SUCCESS;
3928 }
3929
3930 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3931 // Im really paranoid about letting it run forever!
3932 int max_tries = 600000;
3933
3934 if (IN4500(ai, EVSTAT) & EV_CMD)
3935 OUT4500(ai, EVACK, EV_CMD);
3936
3937 OUT4500(ai, PARAM0, pCmd->parm0);
3938 OUT4500(ai, PARAM1, pCmd->parm1);
3939 OUT4500(ai, PARAM2, pCmd->parm2);
3940 OUT4500(ai, COMMAND, pCmd->cmd);
3941
3942 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3943 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3944 // PC4500 didn't notice command, try again
3945 OUT4500(ai, COMMAND, pCmd->cmd);
3946 if (!in_atomic() && (max_tries & 255) == 0)
3947 schedule();
3948 }
3949
3950 if ( max_tries == -1 ) {
3951 airo_print_err(ai->dev->name,
3952 "Max tries exceeded when issueing command");
3953 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3954 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3955 return ERROR;
3956 }
3957
3958 // command completed
3959 pRsp->status = IN4500(ai, STATUS);
3960 pRsp->rsp0 = IN4500(ai, RESP0);
3961 pRsp->rsp1 = IN4500(ai, RESP1);
3962 pRsp->rsp2 = IN4500(ai, RESP2);
3963 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3964 airo_print_err(ai->dev->name,
3965 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3966 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3967 pRsp->rsp2);
3968
3969 // clear stuck command busy if necessary
3970 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3971 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3972 }
3973 // acknowledge processing the status/response
3974 OUT4500(ai, EVACK, EV_CMD);
3975
3976 return SUCCESS;
3977 }
3978
3979 /* Sets up the bap to start exchange data. whichbap should
3980 * be one of the BAP0 or BAP1 defines. Locks should be held before
3981 * calling! */
3982 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3983 {
3984 int timeout = 50;
3985 int max_tries = 3;
3986
3987 OUT4500(ai, SELECT0+whichbap, rid);
3988 OUT4500(ai, OFFSET0+whichbap, offset);
3989 while (1) {
3990 int status = IN4500(ai, OFFSET0+whichbap);
3991 if (status & BAP_BUSY) {
3992 /* This isn't really a timeout, but its kinda
3993 close */
3994 if (timeout--) {
3995 continue;
3996 }
3997 } else if ( status & BAP_ERR ) {
3998 /* invalid rid or offset */
3999 airo_print_err(ai->dev->name, "BAP error %x %d",
4000 status, whichbap );
4001 return ERROR;
4002 } else if (status & BAP_DONE) { // success
4003 return SUCCESS;
4004 }
4005 if ( !(max_tries--) ) {
4006 airo_print_err(ai->dev->name,
4007 "airo: BAP setup error too many retries\n");
4008 return ERROR;
4009 }
4010 // -- PC4500 missed it, try again
4011 OUT4500(ai, SELECT0+whichbap, rid);
4012 OUT4500(ai, OFFSET0+whichbap, offset);
4013 timeout = 50;
4014 }
4015 }
4016
4017 /* should only be called by aux_bap_read. This aux function and the
4018 following use concepts not documented in the developers guide. I
4019 got them from a patch given to my by Aironet */
4020 static u16 aux_setup(struct airo_info *ai, u16 page,
4021 u16 offset, u16 *len)
4022 {
4023 u16 next;
4024
4025 OUT4500(ai, AUXPAGE, page);
4026 OUT4500(ai, AUXOFF, 0);
4027 next = IN4500(ai, AUXDATA);
4028 *len = IN4500(ai, AUXDATA)&0xff;
4029 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4030 return next;
4031 }
4032
4033 /* requires call to bap_setup() first */
4034 static int aux_bap_read(struct airo_info *ai, u16 *pu16Dst,
4035 int bytelen, int whichbap)
4036 {
4037 u16 len;
4038 u16 page;
4039 u16 offset;
4040 u16 next;
4041 int words;
4042 int i;
4043 unsigned long flags;
4044
4045 spin_lock_irqsave(&ai->aux_lock, flags);
4046 page = IN4500(ai, SWS0+whichbap);
4047 offset = IN4500(ai, SWS2+whichbap);
4048 next = aux_setup(ai, page, offset, &len);
4049 words = (bytelen+1)>>1;
4050
4051 for (i=0; i<words;) {
4052 int count;
4053 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4054 if ( !do8bitIO )
4055 insw( ai->dev->base_addr+DATA0+whichbap,
4056 pu16Dst+i,count );
4057 else
4058 insb( ai->dev->base_addr+DATA0+whichbap,
4059 pu16Dst+i, count << 1 );
4060 i += count;
4061 if (i<words) {
4062 next = aux_setup(ai, next, 4, &len);
4063 }
4064 }
4065 spin_unlock_irqrestore(&ai->aux_lock, flags);
4066 return SUCCESS;
4067 }
4068
4069
4070 /* requires call to bap_setup() first */
4071 static int fast_bap_read(struct airo_info *ai, u16 *pu16Dst,
4072 int bytelen, int whichbap)
4073 {
4074 bytelen = (bytelen + 1) & (~1); // round up to even value
4075 if ( !do8bitIO )
4076 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4077 else
4078 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4079 return SUCCESS;
4080 }
4081
4082 /* requires call to bap_setup() first */
4083 static int bap_write(struct airo_info *ai, const u16 *pu16Src,
4084 int bytelen, int whichbap)
4085 {
4086 bytelen = (bytelen + 1) & (~1); // round up to even value
4087 if ( !do8bitIO )
4088 outsw( ai->dev->base_addr+DATA0+whichbap,
4089 pu16Src, bytelen>>1 );
4090 else
4091 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4092 return SUCCESS;
4093 }
4094
4095 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4096 {
4097 Cmd cmd; /* for issuing commands */
4098 Resp rsp; /* response from commands */
4099 u16 status;
4100
4101 memset(&cmd, 0, sizeof(cmd));
4102 cmd.cmd = accmd;
4103 cmd.parm0 = rid;
4104 status = issuecommand(ai, &cmd, &rsp);
4105 if (status != 0) return status;
4106 if ( (rsp.status & 0x7F00) != 0) {
4107 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4108 }
4109 return 0;
4110 }
4111
4112 /* Note, that we are using BAP1 which is also used by transmit, so
4113 * we must get a lock. */
4114 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4115 {
4116 u16 status;
4117 int rc = SUCCESS;
4118
4119 if (lock) {
4120 if (down_interruptible(&ai->sem))
4121 return ERROR;
4122 }
4123 if (test_bit(FLAG_MPI,&ai->flags)) {
4124 Cmd cmd;
4125 Resp rsp;
4126
4127 memset(&cmd, 0, sizeof(cmd));
4128 memset(&rsp, 0, sizeof(rsp));
4129 ai->config_desc.rid_desc.valid = 1;
4130 ai->config_desc.rid_desc.len = RIDSIZE;
4131 ai->config_desc.rid_desc.rid = 0;
4132 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4133
4134 cmd.cmd = CMD_ACCESS;
4135 cmd.parm0 = rid;
4136
4137 memcpy_toio(ai->config_desc.card_ram_off,
4138 &ai->config_desc.rid_desc, sizeof(Rid));
4139
4140 rc = issuecommand(ai, &cmd, &rsp);
4141
4142 if (rsp.status & 0x7f00)
4143 rc = rsp.rsp0;
4144 if (!rc)
4145 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4146 goto done;
4147 } else {
4148 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4149 rc = status;
4150 goto done;
4151 }
4152 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4153 rc = ERROR;
4154 goto done;
4155 }
4156 // read the rid length field
4157 bap_read(ai, pBuf, 2, BAP1);
4158 // length for remaining part of rid
4159 len = min(len, (int)le16_to_cpu(*(u16*)pBuf)) - 2;
4160
4161 if ( len <= 2 ) {
4162 airo_print_err(ai->dev->name,
4163 "Rid %x has a length of %d which is too short",
4164 (int)rid, (int)len );
4165 rc = ERROR;
4166 goto done;
4167 }
4168 // read remainder of the rid
4169 rc = bap_read(ai, ((u16*)pBuf)+1, len, BAP1);
4170 }
4171 done:
4172 if (lock)
4173 up(&ai->sem);
4174 return rc;
4175 }
4176
4177 /* Note, that we are using BAP1 which is also used by transmit, so
4178 * make sure this isnt called when a transmit is happening */
4179 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4180 const void *pBuf, int len, int lock)
4181 {
4182 u16 status;
4183 int rc = SUCCESS;
4184
4185 *(u16*)pBuf = cpu_to_le16((u16)len);
4186
4187 if (lock) {
4188 if (down_interruptible(&ai->sem))
4189 return ERROR;
4190 }
4191 if (test_bit(FLAG_MPI,&ai->flags)) {
4192 Cmd cmd;
4193 Resp rsp;
4194
4195 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4196 airo_print_err(ai->dev->name,
4197 "%s: MAC should be disabled (rid=%04x)",
4198 __FUNCTION__, rid);
4199 memset(&cmd, 0, sizeof(cmd));
4200 memset(&rsp, 0, sizeof(rsp));
4201
4202 ai->config_desc.rid_desc.valid = 1;
4203 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4204 ai->config_desc.rid_desc.rid = 0;
4205
4206 cmd.cmd = CMD_WRITERID;
4207 cmd.parm0 = rid;
4208
4209 memcpy_toio(ai->config_desc.card_ram_off,
4210 &ai->config_desc.rid_desc, sizeof(Rid));
4211
4212 if (len < 4 || len > 2047) {
4213 airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
4214 rc = -1;
4215 } else {
4216 memcpy((char *)ai->config_desc.virtual_host_addr,
4217 pBuf, len);
4218
4219 rc = issuecommand(ai, &cmd, &rsp);
4220 if ((rc & 0xff00) != 0) {
4221 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4222 __FUNCTION__, rc);
4223 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4224 __FUNCTION__, cmd.cmd);
4225 }
4226
4227 if ((rsp.status & 0x7f00))
4228 rc = rsp.rsp0;
4229 }
4230 } else {
4231 // --- first access so that we can write the rid data
4232 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4233 rc = status;
4234 goto done;
4235 }
4236 // --- now write the rid data
4237 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4238 rc = ERROR;
4239 goto done;
4240 }
4241 bap_write(ai, pBuf, len, BAP1);
4242 // ---now commit the rid data
4243 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4244 }
4245 done:
4246 if (lock)
4247 up(&ai->sem);
4248 return rc;
4249 }
4250
4251 /* Allocates a FID to be used for transmitting packets. We only use
4252 one for now. */
4253 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4254 {
4255 unsigned int loop = 3000;
4256 Cmd cmd;
4257 Resp rsp;
4258 u16 txFid;
4259 u16 txControl;
4260
4261 cmd.cmd = CMD_ALLOCATETX;
4262 cmd.parm0 = lenPayload;
4263 if (down_interruptible(&ai->sem))
4264 return ERROR;
4265 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4266 txFid = ERROR;
4267 goto done;
4268 }
4269 if ( (rsp.status & 0xFF00) != 0) {
4270 txFid = ERROR;
4271 goto done;
4272 }
4273 /* wait for the allocate event/indication
4274 * It makes me kind of nervous that this can just sit here and spin,
4275 * but in practice it only loops like four times. */
4276 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4277 if (!loop) {
4278 txFid = ERROR;
4279 goto done;
4280 }
4281
4282 // get the allocated fid and acknowledge
4283 txFid = IN4500(ai, TXALLOCFID);
4284 OUT4500(ai, EVACK, EV_ALLOC);
4285
4286 /* The CARD is pretty cool since it converts the ethernet packet
4287 * into 802.11. Also note that we don't release the FID since we
4288 * will be using the same one over and over again. */
4289 /* We only have to setup the control once since we are not
4290 * releasing the fid. */
4291 if (raw)
4292 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4293 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4294 else
4295 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4296 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4297 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4298 txFid = ERROR;
4299 else
4300 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4301
4302 done:
4303 up(&ai->sem);
4304
4305 return txFid;
4306 }
4307
4308 /* In general BAP1 is dedicated to transmiting packets. However,
4309 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4310 Make sure the BAP1 spinlock is held when this is called. */
4311 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4312 {
4313 u16 payloadLen;
4314 Cmd cmd;
4315 Resp rsp;
4316 int miclen = 0;
4317 u16 txFid = len;
4318 MICBuffer pMic;
4319
4320 len >>= 16;
4321
4322 if (len <= ETH_ALEN * 2) {
4323 airo_print_warn(ai->dev->name, "Short packet %d", len);
4324 return ERROR;
4325 }
4326 len -= ETH_ALEN * 2;
4327
4328 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4329 (ntohs(((u16 *)pPacket)[6]) != 0x888E)) {
4330 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4331 return ERROR;
4332 miclen = sizeof(pMic);
4333 }
4334 // packet is destination[6], source[6], payload[len-12]
4335 // write the payload length and dst/src/payload
4336 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4337 /* The hardware addresses aren't counted as part of the payload, so
4338 * we have to subtract the 12 bytes for the addresses off */
4339 payloadLen = cpu_to_le16(len + miclen);
4340 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4341 bap_write(ai, (const u16*)pPacket, sizeof(etherHead), BAP1);
4342 if (miclen)
4343 bap_write(ai, (const u16*)&pMic, miclen, BAP1);
4344 bap_write(ai, (const u16*)(pPacket + sizeof(etherHead)), len, BAP1);
4345 // issue the transmit command
4346 memset( &cmd, 0, sizeof( cmd ) );
4347 cmd.cmd = CMD_TRANSMIT;
4348 cmd.parm0 = txFid;
4349 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4350 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4351 return SUCCESS;
4352 }
4353
4354 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4355 {
4356 u16 fc, payloadLen;
4357 Cmd cmd;
4358 Resp rsp;
4359 int hdrlen;
4360 struct {
4361 u8 addr4[ETH_ALEN];
4362 u16 gaplen;
4363 u8 gap[6];
4364 } gap;
4365 u16 txFid = len;
4366 len >>= 16;
4367 gap.gaplen = 6;
4368
4369 fc = le16_to_cpu(*(const u16*)pPacket);
4370 switch (fc & 0xc) {
4371 case 4:
4372 if ((fc & 0xe0) == 0xc0)
4373 hdrlen = 10;
4374 else
4375 hdrlen = 16;
4376 break;
4377 case 8:
4378 if ((fc&0x300)==0x300){
4379 hdrlen = 30;
4380 break;
4381 }
4382 default:
4383 hdrlen = 24;
4384 }
4385
4386 if (len < hdrlen) {
4387 airo_print_warn(ai->dev->name, "Short packet %d", len);
4388 return ERROR;
4389 }
4390
4391 /* packet is 802.11 header + payload
4392 * write the payload length and dst/src/payload */
4393 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4394 /* The 802.11 header aren't counted as part of the payload, so
4395 * we have to subtract the header bytes off */
4396 payloadLen = cpu_to_le16(len-hdrlen);
4397 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4398 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4399 bap_write(ai, (const u16*)pPacket, hdrlen, BAP1);
4400 bap_write(ai, hdrlen == 30 ?
4401 (const u16*)&gap.gaplen : (const u16*)&gap, 38 - hdrlen, BAP1);
4402
4403 bap_write(ai, (const u16*)(pPacket + hdrlen), len - hdrlen, BAP1);
4404 // issue the transmit command
4405 memset( &cmd, 0, sizeof( cmd ) );
4406 cmd.cmd = CMD_TRANSMIT;
4407 cmd.parm0 = txFid;
4408 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4409 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4410 return SUCCESS;
4411 }
4412
4413 /*
4414 * This is the proc_fs routines. It is a bit messier than I would
4415 * like! Feel free to clean it up!
4416 */
4417
4418 static ssize_t proc_read( struct file *file,
4419 char __user *buffer,
4420 size_t len,
4421 loff_t *offset);
4422
4423 static ssize_t proc_write( struct file *file,
4424 const char __user *buffer,
4425 size_t len,
4426 loff_t *offset );
4427 static int proc_close( struct inode *inode, struct file *file );
4428
4429 static int proc_stats_open( struct inode *inode, struct file *file );
4430 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4431 static int proc_status_open( struct inode *inode, struct file *file );
4432 static int proc_SSID_open( struct inode *inode, struct file *file );
4433 static int proc_APList_open( struct inode *inode, struct file *file );
4434 static int proc_BSSList_open( struct inode *inode, struct file *file );
4435 static int proc_config_open( struct inode *inode, struct file *file );
4436 static int proc_wepkey_open( struct inode *inode, struct file *file );
4437
4438 static const struct file_operations proc_statsdelta_ops = {
4439 .read = proc_read,
4440 .open = proc_statsdelta_open,
4441 .release = proc_close
4442 };
4443
4444 static const struct file_operations proc_stats_ops = {
4445 .read = proc_read,
4446 .open = proc_stats_open,
4447 .release = proc_close
4448 };
4449
4450 static const struct file_operations proc_status_ops = {
4451 .read = proc_read,
4452 .open = proc_status_open,
4453 .release = proc_close
4454 };
4455
4456 static const struct file_operations proc_SSID_ops = {
4457 .read = proc_read,
4458 .write = proc_write,
4459 .open = proc_SSID_open,
4460 .release = proc_close
4461 };
4462
4463 static const struct file_operations proc_BSSList_ops = {
4464 .read = proc_read,
4465 .write = proc_write,
4466 .open = proc_BSSList_open,
4467 .release = proc_close
4468 };
4469
4470 static const struct file_operations proc_APList_ops = {
4471 .read = proc_read,
4472 .write = proc_write,
4473 .open = proc_APList_open,
4474 .release = proc_close
4475 };
4476
4477 static const struct file_operations proc_config_ops = {
4478 .read = proc_read,
4479 .write = proc_write,
4480 .open = proc_config_open,
4481 .release = proc_close
4482 };
4483
4484 static const struct file_operations proc_wepkey_ops = {
4485 .read = proc_read,
4486 .write = proc_write,
4487 .open = proc_wepkey_open,
4488 .release = proc_close
4489 };
4490
4491 static struct proc_dir_entry *airo_entry;
4492
4493 struct proc_data {
4494 int release_buffer;
4495 int readlen;
4496 char *rbuffer;
4497 int writelen;
4498 int maxwritelen;
4499 char *wbuffer;
4500 void (*on_close) (struct inode *, struct file *);
4501 };
4502
4503 #ifndef SETPROC_OPS
4504 #define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4505 #endif
4506
4507 static int setup_proc_entry( struct net_device *dev,
4508 struct airo_info *apriv ) {
4509 struct proc_dir_entry *entry;
4510 /* First setup the device directory */
4511 strcpy(apriv->proc_name,dev->name);
4512 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4513 S_IFDIR|airo_perm,
4514 airo_entry);
4515 if (!apriv->proc_entry)
4516 goto fail;
4517 apriv->proc_entry->uid = proc_uid;
4518 apriv->proc_entry->gid = proc_gid;
4519 apriv->proc_entry->owner = THIS_MODULE;
4520
4521 /* Setup the StatsDelta */
4522 entry = create_proc_entry("StatsDelta",
4523 S_IFREG | (S_IRUGO&proc_perm),
4524 apriv->proc_entry);
4525 if (!entry)
4526 goto fail_stats_delta;
4527 entry->uid = proc_uid;
4528 entry->gid = proc_gid;
4529 entry->data = dev;
4530 entry->owner = THIS_MODULE;
4531 SETPROC_OPS(entry, proc_statsdelta_ops);
4532
4533 /* Setup the Stats */
4534 entry = create_proc_entry("Stats",
4535 S_IFREG | (S_IRUGO&proc_perm),
4536 apriv->proc_entry);
4537 if (!entry)
4538 goto fail_stats;
4539 entry->uid = proc_uid;
4540 entry->gid = proc_gid;
4541 entry->data = dev;
4542 entry->owner = THIS_MODULE;
4543 SETPROC_OPS(entry, proc_stats_ops);
4544
4545 /* Setup the Status */
4546 entry = create_proc_entry("Status",
4547 S_IFREG | (S_IRUGO&proc_perm),
4548 apriv->proc_entry);
4549 if (!entry)
4550 goto fail_status;
4551 entry->uid = proc_uid;
4552 entry->gid = proc_gid;
4553 entry->data = dev;
4554 entry->owner = THIS_MODULE;
4555 SETPROC_OPS(entry, proc_status_ops);
4556
4557 /* Setup the Config */
4558 entry = create_proc_entry("Config",
4559 S_IFREG | proc_perm,
4560 apriv->proc_entry);
4561 if (!entry)
4562 goto fail_config;
4563 entry->uid = proc_uid;
4564 entry->gid = proc_gid;
4565 entry->data = dev;
4566 entry->owner = THIS_MODULE;
4567 SETPROC_OPS(entry, proc_config_ops);
4568
4569 /* Setup the SSID */
4570 entry = create_proc_entry("SSID",
4571 S_IFREG | proc_perm,
4572 apriv->proc_entry);
4573 if (!entry)
4574 goto fail_ssid;
4575 entry->uid = proc_uid;
4576 entry->gid = proc_gid;
4577 entry->data = dev;
4578 entry->owner = THIS_MODULE;
4579 SETPROC_OPS(entry, proc_SSID_ops);
4580
4581 /* Setup the APList */
4582 entry = create_proc_entry("APList",
4583 S_IFREG | proc_perm,
4584 apriv->proc_entry);
4585 if (!entry)
4586 goto fail_aplist;
4587 entry->uid = proc_uid;
4588 entry->gid = proc_gid;
4589 entry->data = dev;
4590 entry->owner = THIS_MODULE;
4591 SETPROC_OPS(entry, proc_APList_ops);
4592
4593 /* Setup the BSSList */
4594 entry = create_proc_entry("BSSList",
4595 S_IFREG | proc_perm,
4596 apriv->proc_entry);
4597 if (!entry)
4598 goto fail_bsslist;
4599 entry->uid = proc_uid;
4600 entry->gid = proc_gid;
4601 entry->data = dev;
4602 entry->owner = THIS_MODULE;
4603 SETPROC_OPS(entry, proc_BSSList_ops);
4604
4605 /* Setup the WepKey */
4606 entry = create_proc_entry("WepKey",
4607 S_IFREG | proc_perm,
4608 apriv->proc_entry);
4609 if (!entry)
4610 goto fail_wepkey;
4611 entry->uid = proc_uid;
4612 entry->gid = proc_gid;
4613 entry->data = dev;
4614 entry->owner = THIS_MODULE;
4615 SETPROC_OPS(entry, proc_wepkey_ops);
4616
4617 return 0;
4618
4619 fail_wepkey:
4620 remove_proc_entry("BSSList", apriv->proc_entry);
4621 fail_bsslist:
4622 remove_proc_entry("APList", apriv->proc_entry);
4623 fail_aplist:
4624 remove_proc_entry("SSID", apriv->proc_entry);
4625 fail_ssid:
4626 remove_proc_entry("Config", apriv->proc_entry);
4627 fail_config:
4628 remove_proc_entry("Status", apriv->proc_entry);
4629 fail_status:
4630 remove_proc_entry("Stats", apriv->proc_entry);
4631 fail_stats:
4632 remove_proc_entry("StatsDelta", apriv->proc_entry);
4633 fail_stats_delta:
4634 remove_proc_entry(apriv->proc_name, airo_entry);
4635 fail:
4636 return -ENOMEM;
4637 }
4638
4639 static int takedown_proc_entry( struct net_device *dev,
4640 struct airo_info *apriv ) {
4641 if ( !apriv->proc_entry->namelen ) return 0;
4642 remove_proc_entry("Stats",apriv->proc_entry);
4643 remove_proc_entry("StatsDelta",apriv->proc_entry);
4644 remove_proc_entry("Status",apriv->proc_entry);
4645 remove_proc_entry("Config",apriv->proc_entry);
4646 remove_proc_entry("SSID",apriv->proc_entry);
4647 remove_proc_entry("APList",apriv->proc_entry);
4648 remove_proc_entry("BSSList",apriv->proc_entry);
4649 remove_proc_entry("WepKey",apriv->proc_entry);
4650 remove_proc_entry(apriv->proc_name,airo_entry);
4651 return 0;
4652 }
4653
4654 /*
4655 * What we want from the proc_fs is to be able to efficiently read
4656 * and write the configuration. To do this, we want to read the
4657 * configuration when the file is opened and write it when the file is
4658 * closed. So basically we allocate a read buffer at open and fill it
4659 * with data, and allocate a write buffer and read it at close.
4660 */
4661
4662 /*
4663 * The read routine is generic, it relies on the preallocated rbuffer
4664 * to supply the data.
4665 */
4666 static ssize_t proc_read( struct file *file,
4667 char __user *buffer,
4668 size_t len,
4669 loff_t *offset )
4670 {
4671 loff_t pos = *offset;
4672 struct proc_data *priv = (struct proc_data*)file->private_data;
4673
4674 if (!priv->rbuffer)
4675 return -EINVAL;
4676
4677 if (pos < 0)
4678 return -EINVAL;
4679 if (pos >= priv->readlen)
4680 return 0;
4681 if (len > priv->readlen - pos)
4682 len = priv->readlen - pos;
4683 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4684 return -EFAULT;
4685 *offset = pos + len;
4686 return len;
4687 }
4688
4689 /*
4690 * The write routine is generic, it fills in a preallocated rbuffer
4691 * to supply the data.
4692 */
4693 static ssize_t proc_write( struct file *file,
4694 const char __user *buffer,
4695 size_t len,
4696 loff_t *offset )
4697 {
4698 loff_t pos = *offset;
4699 struct proc_data *priv = (struct proc_data*)file->private_data;
4700
4701 if (!priv->wbuffer)
4702 return -EINVAL;
4703
4704 if (pos < 0)
4705 return -EINVAL;
4706 if (pos >= priv->maxwritelen)
4707 return 0;
4708 if (len > priv->maxwritelen - pos)
4709 len = priv->maxwritelen - pos;
4710 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4711 return -EFAULT;
4712 if ( pos + len > priv->writelen )
4713 priv->writelen = len + file->f_pos;
4714 *offset = pos + len;
4715 return len;
4716 }
4717
4718 static int proc_status_open( struct inode *inode, struct file *file ) {
4719 struct proc_data *data;
4720 struct proc_dir_entry *dp = PDE(inode);
4721 struct net_device *dev = dp->data;
4722 struct airo_info *apriv = dev->priv;
4723 CapabilityRid cap_rid;
4724 StatusRid status_rid;
4725 int i;
4726
4727 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4728 return -ENOMEM;
4729 data = (struct proc_data *)file->private_data;
4730 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4731 kfree (file->private_data);
4732 return -ENOMEM;
4733 }
4734
4735 readStatusRid(apriv, &status_rid, 1);
4736 readCapabilityRid(apriv, &cap_rid, 1);
4737
4738 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4739 status_rid.mode & 1 ? "CFG ": "",
4740 status_rid.mode & 2 ? "ACT ": "",
4741 status_rid.mode & 0x10 ? "SYN ": "",
4742 status_rid.mode & 0x20 ? "LNK ": "",
4743 status_rid.mode & 0x40 ? "LEAP ": "",
4744 status_rid.mode & 0x80 ? "PRIV ": "",
4745 status_rid.mode & 0x100 ? "KEY ": "",
4746 status_rid.mode & 0x200 ? "WEP ": "",
4747 status_rid.mode & 0x8000 ? "ERR ": "");
4748 sprintf( data->rbuffer+i, "Mode: %x\n"
4749 "Signal Strength: %d\n"
4750 "Signal Quality: %d\n"
4751 "SSID: %-.*s\n"
4752 "AP: %-.16s\n"
4753 "Freq: %d\n"
4754 "BitRate: %dmbs\n"
4755 "Driver Version: %s\n"
4756 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4757 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4758 "Software Version: %x\nSoftware Subversion: %x\n"
4759 "Boot block version: %x\n",
4760 (int)status_rid.mode,
4761 (int)status_rid.normalizedSignalStrength,
4762 (int)status_rid.signalQuality,
4763 (int)status_rid.SSIDlen,
4764 status_rid.SSID,
4765 status_rid.apName,
4766 (int)status_rid.channel,
4767 (int)status_rid.currentXmitRate/2,
4768 version,
4769 cap_rid.prodName,
4770 cap_rid.manName,
4771 cap_rid.prodVer,
4772 cap_rid.radioType,
4773 cap_rid.country,
4774 cap_rid.hardVer,
4775 (int)cap_rid.softVer,
4776 (int)cap_rid.softSubVer,
4777 (int)cap_rid.bootBlockVer );
4778 data->readlen = strlen( data->rbuffer );
4779 return 0;
4780 }
4781
4782 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4783 static int proc_statsdelta_open( struct inode *inode,
4784 struct file *file ) {
4785 if (file->f_mode&FMODE_WRITE) {
4786 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4787 }
4788 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4789 }
4790
4791 static int proc_stats_open( struct inode *inode, struct file *file ) {
4792 return proc_stats_rid_open(inode, file, RID_STATS);
4793 }
4794
4795 static int proc_stats_rid_open( struct inode *inode,
4796 struct file *file,
4797 u16 rid ) {
4798 struct proc_data *data;
4799 struct proc_dir_entry *dp = PDE(inode);
4800 struct net_device *dev = dp->data;
4801 struct airo_info *apriv = dev->priv;
4802 StatsRid stats;
4803 int i, j;
4804 u32 *vals = stats.vals;
4805
4806 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4807 return -ENOMEM;
4808 data = (struct proc_data *)file->private_data;
4809 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4810 kfree (file->private_data);
4811 return -ENOMEM;
4812 }
4813
4814 readStatsRid(apriv, &stats, rid, 1);
4815
4816 j = 0;
4817 for(i=0; statsLabels[i]!=(char *)-1 &&
4818 i*4<stats.len; i++){
4819 if (!statsLabels[i]) continue;
4820 if (j+strlen(statsLabels[i])+16>4096) {
4821 airo_print_warn(apriv->dev->name,
4822 "Potentially disasterous buffer overflow averted!");
4823 break;
4824 }
4825 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], vals[i]);
4826 }
4827 if (i*4>=stats.len){
4828 airo_print_warn(apriv->dev->name, "Got a short rid");
4829 }
4830 data->readlen = j;
4831 return 0;
4832 }
4833
4834 static int get_dec_u16( char *buffer, int *start, int limit ) {
4835 u16 value;
4836 int valid = 0;
4837 for( value = 0; buffer[*start] >= '0' &&
4838 buffer[*start] <= '9' &&
4839 *start < limit; (*start)++ ) {
4840 valid = 1;
4841 value *= 10;
4842 value += buffer[*start] - '0';
4843 }
4844 if ( !valid ) return -1;
4845 return value;
4846 }
4847
4848 static int airo_config_commit(struct net_device *dev,
4849 struct iw_request_info *info, void *zwrq,
4850 char *extra);
4851
4852 static void proc_config_on_close( struct inode *inode, struct file *file ) {
4853 struct proc_data *data = file->private_data;
4854 struct proc_dir_entry *dp = PDE(inode);
4855 struct net_device *dev = dp->data;
4856 struct airo_info *ai = dev->priv;
4857 char *line;
4858
4859 if ( !data->writelen ) return;
4860
4861 readConfigRid(ai, 1);
4862 set_bit (FLAG_COMMIT, &ai->flags);
4863
4864 line = data->wbuffer;
4865 while( line[0] ) {
4866 /*** Mode processing */
4867 if ( !strncmp( line, "Mode: ", 6 ) ) {
4868 line += 6;
4869 if ((ai->config.rmode & 0xff) >= RXMODE_RFMON)
4870 set_bit (FLAG_RESET, &ai->flags);
4871 ai->config.rmode &= 0xfe00;
4872 clear_bit (FLAG_802_11, &ai->flags);
4873 ai->config.opmode &= 0xFF00;
4874 ai->config.scanMode = SCANMODE_ACTIVE;
4875 if ( line[0] == 'a' ) {
4876 ai->config.opmode |= 0;
4877 } else {
4878 ai->config.opmode |= 1;
4879 if ( line[0] == 'r' ) {
4880 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4881 ai->config.scanMode = SCANMODE_PASSIVE;
4882 set_bit (FLAG_802_11, &ai->flags);
4883 } else if ( line[0] == 'y' ) {
4884 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4885 ai->config.scanMode = SCANMODE_PASSIVE;
4886 set_bit (FLAG_802_11, &ai->flags);
4887 } else if ( line[0] == 'l' )
4888 ai->config.rmode |= RXMODE_LANMON;
4889 }
4890 set_bit (FLAG_COMMIT, &ai->flags);
4891 }
4892
4893 /*** Radio status */
4894 else if (!strncmp(line,"Radio: ", 7)) {
4895 line += 7;
4896 if (!strncmp(line,"off",3)) {
4897 set_bit (FLAG_RADIO_OFF, &ai->flags);
4898 } else {
4899 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4900 }
4901 }
4902 /*** NodeName processing */
4903 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4904 int j;
4905
4906 line += 10;
4907 memset( ai->config.nodeName, 0, 16 );
4908 /* Do the name, assume a space between the mode and node name */
4909 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4910 ai->config.nodeName[j] = line[j];
4911 }
4912 set_bit (FLAG_COMMIT, &ai->flags);
4913 }
4914
4915 /*** PowerMode processing */
4916 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4917 line += 11;
4918 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4919 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4920 set_bit (FLAG_COMMIT, &ai->flags);
4921 } else if ( !strncmp( line, "PSP", 3 ) ) {
4922 ai->config.powerSaveMode = POWERSAVE_PSP;
4923 set_bit (FLAG_COMMIT, &ai->flags);
4924 } else {
4925 ai->config.powerSaveMode = POWERSAVE_CAM;
4926 set_bit (FLAG_COMMIT, &ai->flags);
4927 }
4928 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4929 int v, i = 0, k = 0; /* i is index into line,
4930 k is index to rates */
4931
4932 line += 11;
4933 while((v = get_dec_u16(line, &i, 3))!=-1) {
4934 ai->config.rates[k++] = (u8)v;
4935 line += i + 1;
4936 i = 0;
4937 }
4938 set_bit (FLAG_COMMIT, &ai->flags);
4939 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4940 int v, i = 0;
4941 line += 9;
4942 v = get_dec_u16(line, &i, i+3);
4943 if ( v != -1 ) {
4944 ai->config.channelSet = (u16)v;
4945 set_bit (FLAG_COMMIT, &ai->flags);
4946 }
4947 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4948 int v, i = 0;
4949 line += 11;
4950 v = get_dec_u16(line, &i, i+3);
4951 if ( v != -1 ) {
4952 ai->config.txPower = (u16)v;
4953 set_bit (FLAG_COMMIT, &ai->flags);
4954 }
4955 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4956 line += 5;
4957 switch( line[0] ) {
4958 case 's':
4959 ai->config.authType = (u16)AUTH_SHAREDKEY;
4960 break;
4961 case 'e':
4962 ai->config.authType = (u16)AUTH_ENCRYPT;
4963 break;
4964 default:
4965 ai->config.authType = (u16)AUTH_OPEN;
4966 break;
4967 }
4968 set_bit (FLAG_COMMIT, &ai->flags);
4969 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4970 int v, i = 0;
4971
4972 line += 16;
4973 v = get_dec_u16(line, &i, 3);
4974 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4975 ai->config.longRetryLimit = (u16)v;
4976 set_bit (FLAG_COMMIT, &ai->flags);
4977 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4978 int v, i = 0;
4979
4980 line += 17;
4981 v = get_dec_u16(line, &i, 3);
4982 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4983 ai->config.shortRetryLimit = (u16)v;
4984 set_bit (FLAG_COMMIT, &ai->flags);
4985 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4986 int v, i = 0;
4987
4988 line += 14;
4989 v = get_dec_u16(line, &i, 4);
4990 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4991 ai->config.rtsThres = (u16)v;
4992 set_bit (FLAG_COMMIT, &ai->flags);
4993 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4994 int v, i = 0;
4995
4996 line += 16;
4997 v = get_dec_u16(line, &i, 5);
4998 v = (v<0) ? 0 : v;
4999 ai->config.txLifetime = (u16)v;
5000 set_bit (FLAG_COMMIT, &ai->flags);
5001 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
5002 int v, i = 0;
5003
5004 line += 16;
5005 v = get_dec_u16(line, &i, 5);
5006 v = (v<0) ? 0 : v;
5007 ai->config.rxLifetime = (u16)v;
5008 set_bit (FLAG_COMMIT, &ai->flags);
5009 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
5010 ai->config.txDiversity =
5011 (line[13]=='l') ? 1 :
5012 ((line[13]=='r')? 2: 3);
5013 set_bit (FLAG_COMMIT, &ai->flags);
5014 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
5015 ai->config.rxDiversity =
5016 (line[13]=='l') ? 1 :
5017 ((line[13]=='r')? 2: 3);
5018 set_bit (FLAG_COMMIT, &ai->flags);
5019 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
5020 int v, i = 0;
5021
5022 line += 15;
5023 v = get_dec_u16(line, &i, 4);
5024 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
5025 v = v & 0xfffe; /* Make sure its even */
5026 ai->config.fragThresh = (u16)v;
5027 set_bit (FLAG_COMMIT, &ai->flags);
5028 } else if (!strncmp(line, "Modulation: ", 12)) {
5029 line += 12;
5030 switch(*line) {
5031 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
5032 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
5033 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
5034 default: airo_print_warn(ai->dev->name, "Unknown modulation");
5035 }
5036 } else if (!strncmp(line, "Preamble: ", 10)) {
5037 line += 10;
5038 switch(*line) {
5039 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
5040 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5041 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
5042 default: airo_print_warn(ai->dev->name, "Unknown preamble");
5043 }
5044 } else {
5045 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
5046 }
5047 while( line[0] && line[0] != '\n' ) line++;
5048 if ( line[0] ) line++;
5049 }
5050 airo_config_commit(dev, NULL, NULL, NULL);
5051 }
5052
5053 static char *get_rmode(u16 mode) {
5054 switch(mode&0xff) {
5055 case RXMODE_RFMON: return "rfmon";
5056 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5057 case RXMODE_LANMON: return "lanmon";
5058 }
5059 return "ESS";
5060 }
5061
5062 static int proc_config_open( struct inode *inode, struct file *file ) {
5063 struct proc_data *data;
5064 struct proc_dir_entry *dp = PDE(inode);
5065 struct net_device *dev = dp->data;
5066 struct airo_info *ai = dev->priv;
5067 int i;
5068
5069 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5070 return -ENOMEM;
5071 data = (struct proc_data *)file->private_data;
5072 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5073 kfree (file->private_data);
5074 return -ENOMEM;
5075 }
5076 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5077 kfree (data->rbuffer);
5078 kfree (file->private_data);
5079 return -ENOMEM;
5080 }
5081 data->maxwritelen = 2048;
5082 data->on_close = proc_config_on_close;
5083
5084 readConfigRid(ai, 1);
5085
5086 i = sprintf( data->rbuffer,
5087 "Mode: %s\n"
5088 "Radio: %s\n"
5089 "NodeName: %-16s\n"
5090 "PowerMode: %s\n"
5091 "DataRates: %d %d %d %d %d %d %d %d\n"
5092 "Channel: %d\n"
5093 "XmitPower: %d\n",
5094 (ai->config.opmode & 0xFF) == 0 ? "adhoc" :
5095 (ai->config.opmode & 0xFF) == 1 ? get_rmode(ai->config.rmode):
5096 (ai->config.opmode & 0xFF) == 2 ? "AP" :
5097 (ai->config.opmode & 0xFF) == 3 ? "AP RPTR" : "Error",
5098 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5099 ai->config.nodeName,
5100 ai->config.powerSaveMode == 0 ? "CAM" :
5101 ai->config.powerSaveMode == 1 ? "PSP" :
5102 ai->config.powerSaveMode == 2 ? "PSPCAM" : "Error",
5103 (int)ai->config.rates[0],
5104 (int)ai->config.rates[1],
5105 (int)ai->config.rates[2],
5106 (int)ai->config.rates[3],
5107 (int)ai->config.rates[4],
5108 (int)ai->config.rates[5],
5109 (int)ai->config.rates[6],
5110 (int)ai->config.rates[7],
5111 (int)ai->config.channelSet,
5112 (int)ai->config.txPower
5113 );
5114 sprintf( data->rbuffer + i,
5115 "LongRetryLimit: %d\n"
5116 "ShortRetryLimit: %d\n"
5117 "RTSThreshold: %d\n"
5118 "TXMSDULifetime: %d\n"
5119 "RXMSDULifetime: %d\n"
5120 "TXDiversity: %s\n"
5121 "RXDiversity: %s\n"
5122 "FragThreshold: %d\n"
5123 "WEP: %s\n"
5124 "Modulation: %s\n"
5125 "Preamble: %s\n",
5126 (int)ai->config.longRetryLimit,
5127 (int)ai->config.shortRetryLimit,
5128 (int)ai->config.rtsThres,
5129 (int)ai->config.txLifetime,
5130 (int)ai->config.rxLifetime,
5131 ai->config.txDiversity == 1 ? "left" :
5132 ai->config.txDiversity == 2 ? "right" : "both",
5133 ai->config.rxDiversity == 1 ? "left" :
5134 ai->config.rxDiversity == 2 ? "right" : "both",
5135 (int)ai->config.fragThresh,
5136 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5137 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5138 ai->config.modulation == 0 ? "default" :
5139 ai->config.modulation == MOD_CCK ? "cck" :
5140 ai->config.modulation == MOD_MOK ? "mok" : "error",
5141 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5142 ai->config.preamble == PREAMBLE_LONG ? "long" :
5143 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5144 );
5145 data->readlen = strlen( data->rbuffer );
5146 return 0;
5147 }
5148
5149 static void proc_SSID_on_close( struct inode *inode, struct file *file ) {
5150 struct proc_data *data = (struct proc_data *)file->private_data;
5151 struct proc_dir_entry *dp = PDE(inode);
5152 struct net_device *dev = dp->data;
5153 struct airo_info *ai = dev->priv;
5154 SsidRid SSID_rid;
5155 Resp rsp;
5156 int i;
5157 int offset = 0;
5158
5159 if ( !data->writelen ) return;
5160
5161 memset( &SSID_rid, 0, sizeof( SSID_rid ) );
5162
5163 for( i = 0; i < 3; i++ ) {
5164 int j;
5165 for( j = 0; j+offset < data->writelen && j < 32 &&
5166 data->wbuffer[offset+j] != '\n'; j++ ) {
5167 SSID_rid.ssids[i].ssid[j] = data->wbuffer[offset+j];
5168 }
5169 if ( j == 0 ) break;
5170 SSID_rid.ssids[i].len = j;
5171 offset += j;
5172 while( data->wbuffer[offset] != '\n' &&
5173 offset < data->writelen ) offset++;
5174 offset++;
5175 }
5176 if (i)
5177 SSID_rid.len = sizeof(SSID_rid);
5178 disable_MAC(ai, 1);
5179 writeSsidRid(ai, &SSID_rid, 1);
5180 enable_MAC(ai, &rsp, 1);
5181 }
5182
5183 static inline u8 hexVal(char c) {
5184 if (c>='0' && c<='9') return c -= '0';
5185 if (c>='a' && c<='f') return c -= 'a'-10;
5186 if (c>='A' && c<='F') return c -= 'A'-10;
5187 return 0;
5188 }
5189
5190 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5191 struct proc_data *data = (struct proc_data *)file->private_data;
5192 struct proc_dir_entry *dp = PDE(inode);
5193 struct net_device *dev = dp->data;
5194 struct airo_info *ai = dev->priv;
5195 APListRid APList_rid;
5196 Resp rsp;
5197 int i;
5198
5199 if ( !data->writelen ) return;
5200
5201 memset( &APList_rid, 0, sizeof(APList_rid) );
5202 APList_rid.len = sizeof(APList_rid);
5203
5204 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5205 int j;
5206 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5207 switch(j%3) {
5208 case 0:
5209 APList_rid.ap[i][j/3]=
5210 hexVal(data->wbuffer[j+i*6*3])<<4;
5211 break;
5212 case 1:
5213 APList_rid.ap[i][j/3]|=
5214 hexVal(data->wbuffer[j+i*6*3]);
5215 break;
5216 }
5217 }
5218 }
5219 disable_MAC(ai, 1);
5220 writeAPListRid(ai, &APList_rid, 1);
5221 enable_MAC(ai, &rsp, 1);
5222 }
5223
5224 /* This function wraps PC4500_writerid with a MAC disable */
5225 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5226 int len, int dummy ) {
5227 int rc;
5228 Resp rsp;
5229
5230 disable_MAC(ai, 1);
5231 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5232 enable_MAC(ai, &rsp, 1);
5233 return rc;
5234 }
5235
5236 /* Returns the length of the key at the index. If index == 0xffff
5237 * the index of the transmit key is returned. If the key doesn't exist,
5238 * -1 will be returned.
5239 */
5240 static int get_wep_key(struct airo_info *ai, u16 index) {
5241 WepKeyRid wkr;
5242 int rc;
5243 u16 lastindex;
5244
5245 rc = readWepKeyRid(ai, &wkr, 1, 1);
5246 if (rc == SUCCESS) do {
5247 lastindex = wkr.kindex;
5248 if (wkr.kindex == index) {
5249 if (index == 0xffff) {
5250 return wkr.mac[0];
5251 }
5252 return wkr.klen;
5253 }
5254 readWepKeyRid(ai, &wkr, 0, 1);
5255 } while(lastindex != wkr.kindex);
5256 return -1;
5257 }
5258
5259 static int set_wep_key(struct airo_info *ai, u16 index,
5260 const char *key, u16 keylen, int perm, int lock ) {
5261 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5262 WepKeyRid wkr;
5263 Resp rsp;
5264
5265 memset(&wkr, 0, sizeof(wkr));
5266 if (keylen == 0) {
5267 // We are selecting which key to use
5268 wkr.len = sizeof(wkr);
5269 wkr.kindex = 0xffff;
5270 wkr.mac[0] = (char)index;
5271 if (perm) ai->defindex = (char)index;
5272 } else {
5273 // We are actually setting the key
5274 wkr.len = sizeof(wkr);
5275 wkr.kindex = index;
5276 wkr.klen = keylen;
5277 memcpy( wkr.key, key, keylen );
5278 memcpy( wkr.mac, macaddr, ETH_ALEN );
5279 }
5280
5281 if (perm) disable_MAC(ai, lock);
5282 writeWepKeyRid(ai, &wkr, perm, lock);
5283 if (perm) enable_MAC(ai, &rsp, lock);
5284 return 0;
5285 }
5286
5287 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5288 struct proc_data *data;
5289 struct proc_dir_entry *dp = PDE(inode);
5290 struct net_device *dev = dp->data;
5291 struct airo_info *ai = dev->priv;
5292 int i;
5293 char key[16];
5294 u16 index = 0;
5295 int j = 0;
5296
5297 memset(key, 0, sizeof(key));
5298
5299 data = (struct proc_data *)file->private_data;
5300 if ( !data->writelen ) return;
5301
5302 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5303 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5304 index = data->wbuffer[0] - '0';
5305 if (data->wbuffer[1] == '\n') {
5306 set_wep_key(ai, index, NULL, 0, 1, 1);
5307 return;
5308 }
5309 j = 2;
5310 } else {
5311 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5312 return;
5313 }
5314
5315 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5316 switch(i%3) {
5317 case 0:
5318 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5319 break;
5320 case 1:
5321 key[i/3] |= hexVal(data->wbuffer[i+j]);
5322 break;
5323 }
5324 }
5325 set_wep_key(ai, index, key, i/3, 1, 1);
5326 }
5327
5328 static int proc_wepkey_open( struct inode *inode, struct file *file ) {
5329 struct proc_data *data;
5330 struct proc_dir_entry *dp = PDE(inode);
5331 struct net_device *dev = dp->data;
5332 struct airo_info *ai = dev->priv;
5333 char *ptr;
5334 WepKeyRid wkr;
5335 u16 lastindex;
5336 int j=0;
5337 int rc;
5338
5339 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5340 return -ENOMEM;
5341 memset(&wkr, 0, sizeof(wkr));
5342 data = (struct proc_data *)file->private_data;
5343 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5344 kfree (file->private_data);
5345 return -ENOMEM;
5346 }
5347 data->writelen = 0;
5348 data->maxwritelen = 80;
5349 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5350 kfree (data->rbuffer);
5351 kfree (file->private_data);
5352 return -ENOMEM;
5353 }
5354 data->on_close = proc_wepkey_on_close;
5355
5356 ptr = data->rbuffer;
5357 strcpy(ptr, "No wep keys\n");
5358 rc = readWepKeyRid(ai, &wkr, 1, 1);
5359 if (rc == SUCCESS) do {
5360 lastindex = wkr.kindex;
5361 if (wkr.kindex == 0xffff) {
5362 j += sprintf(ptr+j, "Tx key = %d\n",
5363 (int)wkr.mac[0]);
5364 } else {
5365 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5366 (int)wkr.kindex, (int)wkr.klen);
5367 }
5368 readWepKeyRid(ai, &wkr, 0, 1);
5369 } while((lastindex != wkr.kindex) && (j < 180-30));
5370
5371 data->readlen = strlen( data->rbuffer );
5372 return 0;
5373 }
5374
5375 static int proc_SSID_open( struct inode *inode, struct file *file ) {
5376 struct proc_data *data;
5377 struct proc_dir_entry *dp = PDE(inode);
5378 struct net_device *dev = dp->data;
5379 struct airo_info *ai = dev->priv;
5380 int i;
5381 char *ptr;
5382 SsidRid SSID_rid;
5383
5384 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5385 return -ENOMEM;
5386 data = (struct proc_data *)file->private_data;
5387 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5388 kfree (file->private_data);
5389 return -ENOMEM;
5390 }
5391 data->writelen = 0;
5392 data->maxwritelen = 33*3;
5393 if ((data->wbuffer = kzalloc( 33*3, GFP_KERNEL )) == NULL) {
5394 kfree (data->rbuffer);
5395 kfree (file->private_data);
5396 return -ENOMEM;
5397 }
5398 data->on_close = proc_SSID_on_close;
5399
5400 readSsidRid(ai, &SSID_rid);
5401 ptr = data->rbuffer;
5402 for( i = 0; i < 3; i++ ) {
5403 int j;
5404 if ( !SSID_rid.ssids[i].len ) break;
5405 for( j = 0; j < 32 &&
5406 j < SSID_rid.ssids[i].len &&
5407 SSID_rid.ssids[i].ssid[j]; j++ ) {
5408 *ptr++ = SSID_rid.ssids[i].ssid[j];
5409 }
5410 *ptr++ = '\n';
5411 }
5412 *ptr = '\0';
5413 data->readlen = strlen( data->rbuffer );
5414 return 0;
5415 }
5416
5417 static int proc_APList_open( struct inode *inode, struct file *file ) {
5418 struct proc_data *data;
5419 struct proc_dir_entry *dp = PDE(inode);
5420 struct net_device *dev = dp->data;
5421 struct airo_info *ai = dev->priv;
5422 int i;
5423 char *ptr;
5424 APListRid APList_rid;
5425
5426 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5427 return -ENOMEM;
5428 data = (struct proc_data *)file->private_data;
5429 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5430 kfree (file->private_data);
5431 return -ENOMEM;
5432 }
5433 data->writelen = 0;
5434 data->maxwritelen = 4*6*3;
5435 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5436 kfree (data->rbuffer);
5437 kfree (file->private_data);
5438 return -ENOMEM;
5439 }
5440 data->on_close = proc_APList_on_close;
5441
5442 readAPListRid(ai, &APList_rid);
5443 ptr = data->rbuffer;
5444 for( i = 0; i < 4; i++ ) {
5445 // We end when we find a zero MAC
5446 if ( !*(int*)APList_rid.ap[i] &&
5447 !*(int*)&APList_rid.ap[i][2]) break;
5448 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x\n",
5449 (int)APList_rid.ap[i][0],
5450 (int)APList_rid.ap[i][1],
5451 (int)APList_rid.ap[i][2],
5452 (int)APList_rid.ap[i][3],
5453 (int)APList_rid.ap[i][4],
5454 (int)APList_rid.ap[i][5]);
5455 }
5456 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5457
5458 *ptr = '\0';
5459 data->readlen = strlen( data->rbuffer );
5460 return 0;
5461 }
5462
5463 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5464 struct proc_data *data;
5465 struct proc_dir_entry *dp = PDE(inode);
5466 struct net_device *dev = dp->data;
5467 struct airo_info *ai = dev->priv;
5468 char *ptr;
5469 BSSListRid BSSList_rid;
5470 int rc;
5471 /* If doLoseSync is not 1, we won't do a Lose Sync */
5472 int doLoseSync = -1;
5473
5474 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5475 return -ENOMEM;
5476 data = (struct proc_data *)file->private_data;
5477 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5478 kfree (file->private_data);
5479 return -ENOMEM;
5480 }
5481 data->writelen = 0;
5482 data->maxwritelen = 0;
5483 data->wbuffer = NULL;
5484 data->on_close = NULL;
5485
5486 if (file->f_mode & FMODE_WRITE) {
5487 if (!(file->f_mode & FMODE_READ)) {
5488 Cmd cmd;
5489 Resp rsp;
5490
5491 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5492 memset(&cmd, 0, sizeof(cmd));
5493 cmd.cmd=CMD_LISTBSS;
5494 if (down_interruptible(&ai->sem))
5495 return -ERESTARTSYS;
5496 issuecommand(ai, &cmd, &rsp);
5497 up(&ai->sem);
5498 data->readlen = 0;
5499 return 0;
5500 }
5501 doLoseSync = 1;
5502 }
5503 ptr = data->rbuffer;
5504 /* There is a race condition here if there are concurrent opens.
5505 Since it is a rare condition, we'll just live with it, otherwise
5506 we have to add a spin lock... */
5507 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5508 while(rc == 0 && BSSList_rid.index != 0xffff) {
5509 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x %*s rssi = %d",
5510 (int)BSSList_rid.bssid[0],
5511 (int)BSSList_rid.bssid[1],
5512 (int)BSSList_rid.bssid[2],
5513 (int)BSSList_rid.bssid[3],
5514 (int)BSSList_rid.bssid[4],
5515 (int)BSSList_rid.bssid[5],
5516 (int)BSSList_rid.ssidLen,
5517 BSSList_rid.ssid,
5518 (int)BSSList_rid.dBm);
5519 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5520 (int)BSSList_rid.dsChannel,
5521 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5522 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5523 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5524 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5525 rc = readBSSListRid(ai, 0, &BSSList_rid);
5526 }
5527 *ptr = '\0';
5528 data->readlen = strlen( data->rbuffer );
5529 return 0;
5530 }
5531
5532 static int proc_close( struct inode *inode, struct file *file )
5533 {
5534 struct proc_data *data = file->private_data;
5535
5536 if (data->on_close != NULL)
5537 data->on_close(inode, file);
5538 kfree(data->rbuffer);
5539 kfree(data->wbuffer);
5540 kfree(data);
5541 return 0;
5542 }
5543
5544 /* Since the card doesn't automatically switch to the right WEP mode,
5545 we will make it do it. If the card isn't associated, every secs we
5546 will switch WEP modes to see if that will help. If the card is
5547 associated we will check every minute to see if anything has
5548 changed. */
5549 static void timer_func( struct net_device *dev ) {
5550 struct airo_info *apriv = dev->priv;
5551 Resp rsp;
5552
5553 /* We don't have a link so try changing the authtype */
5554 readConfigRid(apriv, 0);
5555 disable_MAC(apriv, 0);
5556 switch(apriv->config.authType) {
5557 case AUTH_ENCRYPT:
5558 /* So drop to OPEN */
5559 apriv->config.authType = AUTH_OPEN;
5560 break;
5561 case AUTH_SHAREDKEY:
5562 if (apriv->keyindex < auto_wep) {
5563 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5564 apriv->config.authType = AUTH_SHAREDKEY;
5565 apriv->keyindex++;
5566 } else {
5567 /* Drop to ENCRYPT */
5568 apriv->keyindex = 0;
5569 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5570 apriv->config.authType = AUTH_ENCRYPT;
5571 }
5572 break;
5573 default: /* We'll escalate to SHAREDKEY */
5574 apriv->config.authType = AUTH_SHAREDKEY;
5575 }
5576 set_bit (FLAG_COMMIT, &apriv->flags);
5577 writeConfigRid(apriv, 0);
5578 enable_MAC(apriv, &rsp, 0);
5579 up(&apriv->sem);
5580
5581 /* Schedule check to see if the change worked */
5582 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5583 apriv->expires = RUN_AT(HZ*3);
5584 }
5585
5586 #ifdef CONFIG_PCI
5587 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5588 const struct pci_device_id *pent)
5589 {
5590 struct net_device *dev;
5591
5592 if (pci_enable_device(pdev))
5593 return -ENODEV;
5594 pci_set_master(pdev);
5595
5596 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5597 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5598 else
5599 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5600 if (!dev)
5601 return -ENODEV;
5602
5603 pci_set_drvdata(pdev, dev);
5604 return 0;
5605 }
5606
5607 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5608 {
5609 struct net_device *dev = pci_get_drvdata(pdev);
5610
5611 airo_print_info(dev->name, "Unregistering...");
5612 stop_airo_card(dev, 1);
5613 }
5614
5615 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5616 {
5617 struct net_device *dev = pci_get_drvdata(pdev);
5618 struct airo_info *ai = dev->priv;
5619 Cmd cmd;
5620 Resp rsp;
5621
5622 if ((ai->APList == NULL) &&
5623 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5624 return -ENOMEM;
5625 if ((ai->SSID == NULL) &&
5626 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5627 return -ENOMEM;
5628 readAPListRid(ai, ai->APList);
5629 readSsidRid(ai, ai->SSID);
5630 memset(&cmd, 0, sizeof(cmd));
5631 /* the lock will be released at the end of the resume callback */
5632 if (down_interruptible(&ai->sem))
5633 return -EAGAIN;
5634 disable_MAC(ai, 0);
5635 netif_device_detach(dev);
5636 ai->power = state;
5637 cmd.cmd=HOSTSLEEP;
5638 issuecommand(ai, &cmd, &rsp);
5639
5640 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5641 pci_save_state(pdev);
5642 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5643 }
5644
5645 static int airo_pci_resume(struct pci_dev *pdev)
5646 {
5647 struct net_device *dev = pci_get_drvdata(pdev);
5648 struct airo_info *ai = dev->priv;
5649 Resp rsp;
5650 pci_power_t prev_state = pdev->current_state;
5651
5652 pci_set_power_state(pdev, PCI_D0);
5653 pci_restore_state(pdev);
5654 pci_enable_wake(pdev, PCI_D0, 0);
5655
5656 if (prev_state != PCI_D1) {
5657 reset_card(dev, 0);
5658 mpi_init_descriptors(ai);
5659 setup_card(ai, dev->dev_addr, 0);
5660 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5661 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5662 } else {
5663 OUT4500(ai, EVACK, EV_AWAKEN);
5664 OUT4500(ai, EVACK, EV_AWAKEN);
5665 msleep(100);
5666 }
5667
5668 set_bit (FLAG_COMMIT, &ai->flags);
5669 disable_MAC(ai, 0);
5670 msleep(200);
5671 if (ai->SSID) {
5672 writeSsidRid(ai, ai->SSID, 0);
5673 kfree(ai->SSID);
5674 ai->SSID = NULL;
5675 }
5676 if (ai->APList) {
5677 writeAPListRid(ai, ai->APList, 0);
5678 kfree(ai->APList);
5679 ai->APList = NULL;
5680 }
5681 writeConfigRid(ai, 0);
5682 enable_MAC(ai, &rsp, 0);
5683 ai->power = PMSG_ON;
5684 netif_device_attach(dev);
5685 netif_wake_queue(dev);
5686 enable_interrupts(ai);
5687 up(&ai->sem);
5688 return 0;
5689 }
5690 #endif
5691
5692 static int __init airo_init_module( void )
5693 {
5694 int i;
5695 #if 0
5696 int have_isa_dev = 0;
5697 #endif
5698
5699 airo_entry = create_proc_entry("aironet",
5700 S_IFDIR | airo_perm,
5701 proc_root_driver);
5702
5703 if (airo_entry) {
5704 airo_entry->uid = proc_uid;
5705 airo_entry->gid = proc_gid;
5706 }
5707
5708 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
5709 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5710 "io=0x%x", irq[i], io[i] );
5711 if (init_airo_card( irq[i], io[i], 0, NULL ))
5712 #if 0
5713 have_isa_dev = 1;
5714 #else
5715 /* do nothing */ ;
5716 #endif
5717 }
5718
5719 #ifdef CONFIG_PCI
5720 airo_print_info("", "Probing for PCI adapters");
5721 i = pci_register_driver(&airo_driver);
5722 airo_print_info("", "Finished probing for PCI adapters");
5723
5724 if (i) {
5725 remove_proc_entry("aironet", proc_root_driver);
5726 return i;
5727 }
5728 #endif
5729
5730 /* Always exit with success, as we are a library module
5731 * as well as a driver module
5732 */
5733 return 0;
5734 }
5735
5736 static void __exit airo_cleanup_module( void )
5737 {
5738 struct airo_info *ai;
5739 while(!list_empty(&airo_devices)) {
5740 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5741 airo_print_info(ai->dev->name, "Unregistering...");
5742 stop_airo_card(ai->dev, 1);
5743 }
5744 #ifdef CONFIG_PCI
5745 pci_unregister_driver(&airo_driver);
5746 #endif
5747 remove_proc_entry("aironet", proc_root_driver);
5748 }
5749
5750 /*
5751 * Initial Wireless Extension code for Aironet driver by :
5752 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5753 * Conversion to new driver API by :
5754 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5755 * Javier also did a good amount of work here, adding some new extensions
5756 * and fixing my code. Let's just say that without him this code just
5757 * would not work at all... - Jean II
5758 */
5759
5760 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5761 {
5762 if( !rssi_rid )
5763 return 0;
5764
5765 return (0x100 - rssi_rid[rssi].rssidBm);
5766 }
5767
5768 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5769 {
5770 int i;
5771
5772 if( !rssi_rid )
5773 return 0;
5774
5775 for( i = 0; i < 256; i++ )
5776 if (rssi_rid[i].rssidBm == dbm)
5777 return rssi_rid[i].rssipct;
5778
5779 return 0;
5780 }
5781
5782
5783 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5784 {
5785 int quality = 0;
5786
5787 if ((status_rid->mode & 0x3f) == 0x3f && (cap_rid->hardCap & 8)) {
5788 if (memcmp(cap_rid->prodName, "350", 3))
5789 if (status_rid->signalQuality > 0x20)
5790 quality = 0;
5791 else
5792 quality = 0x20 - status_rid->signalQuality;
5793 else
5794 if (status_rid->signalQuality > 0xb0)
5795 quality = 0;
5796 else if (status_rid->signalQuality < 0x10)
5797 quality = 0xa0;
5798 else
5799 quality = 0xb0 - status_rid->signalQuality;
5800 }
5801 return quality;
5802 }
5803
5804 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5805 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5806
5807 /*------------------------------------------------------------------*/
5808 /*
5809 * Wireless Handler : get protocol name
5810 */
5811 static int airo_get_name(struct net_device *dev,
5812 struct iw_request_info *info,
5813 char *cwrq,
5814 char *extra)
5815 {
5816 strcpy(cwrq, "IEEE 802.11-DS");
5817 return 0;
5818 }
5819
5820 /*------------------------------------------------------------------*/
5821 /*
5822 * Wireless Handler : set frequency
5823 */
5824 static int airo_set_freq(struct net_device *dev,
5825 struct iw_request_info *info,
5826 struct iw_freq *fwrq,
5827 char *extra)
5828 {
5829 struct airo_info *local = dev->priv;
5830 int rc = -EINPROGRESS; /* Call commit handler */
5831
5832 /* If setting by frequency, convert to a channel */
5833 if((fwrq->e == 1) &&
5834 (fwrq->m >= (int) 2.412e8) &&
5835 (fwrq->m <= (int) 2.487e8)) {
5836 int f = fwrq->m / 100000;
5837 int c = 0;
5838 while((c < 14) && (f != frequency_list[c]))
5839 c++;
5840 /* Hack to fall through... */
5841 fwrq->e = 0;
5842 fwrq->m = c + 1;
5843 }
5844 /* Setting by channel number */
5845 if((fwrq->m > 1000) || (fwrq->e > 0))
5846 rc = -EOPNOTSUPP;
5847 else {
5848 int channel = fwrq->m;
5849 /* We should do a better check than that,
5850 * based on the card capability !!! */
5851 if((channel < 1) || (channel > 14)) {
5852 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5853 fwrq->m);
5854 rc = -EINVAL;
5855 } else {
5856 readConfigRid(local, 1);
5857 /* Yes ! We can set it !!! */
5858 local->config.channelSet = (u16) channel;
5859 set_bit (FLAG_COMMIT, &local->flags);
5860 }
5861 }
5862 return rc;
5863 }
5864
5865 /*------------------------------------------------------------------*/
5866 /*
5867 * Wireless Handler : get frequency
5868 */
5869 static int airo_get_freq(struct net_device *dev,
5870 struct iw_request_info *info,
5871 struct iw_freq *fwrq,
5872 char *extra)
5873 {
5874 struct airo_info *local = dev->priv;
5875 StatusRid status_rid; /* Card status info */
5876 int ch;
5877
5878 readConfigRid(local, 1);
5879 if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
5880 status_rid.channel = local->config.channelSet;
5881 else
5882 readStatusRid(local, &status_rid, 1);
5883
5884 ch = (int)status_rid.channel;
5885 if((ch > 0) && (ch < 15)) {
5886 fwrq->m = frequency_list[ch - 1] * 100000;
5887 fwrq->e = 1;
5888 } else {
5889 fwrq->m = ch;
5890 fwrq->e = 0;
5891 }
5892
5893 return 0;
5894 }
5895
5896 /*------------------------------------------------------------------*/
5897 /*
5898 * Wireless Handler : set ESSID
5899 */
5900 static int airo_set_essid(struct net_device *dev,
5901 struct iw_request_info *info,
5902 struct iw_point *dwrq,
5903 char *extra)
5904 {
5905 struct airo_info *local = dev->priv;
5906 Resp rsp;
5907 SsidRid SSID_rid; /* SSIDs */
5908
5909 /* Reload the list of current SSID */
5910 readSsidRid(local, &SSID_rid);
5911
5912 /* Check if we asked for `any' */
5913 if(dwrq->flags == 0) {
5914 /* Just send an empty SSID list */
5915 memset(&SSID_rid, 0, sizeof(SSID_rid));
5916 } else {
5917 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5918
5919 /* Check the size of the string */
5920 if(dwrq->length > IW_ESSID_MAX_SIZE) {
5921 return -E2BIG ;
5922 }
5923 /* Check if index is valid */
5924 if((index < 0) || (index >= 4)) {
5925 return -EINVAL;
5926 }
5927
5928 /* Set the SSID */
5929 memset(SSID_rid.ssids[index].ssid, 0,
5930 sizeof(SSID_rid.ssids[index].ssid));
5931 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5932 SSID_rid.ssids[index].len = dwrq->length;
5933 }
5934 SSID_rid.len = sizeof(SSID_rid);
5935 /* Write it to the card */
5936 disable_MAC(local, 1);
5937 writeSsidRid(local, &SSID_rid, 1);
5938 enable_MAC(local, &rsp, 1);
5939
5940 return 0;
5941 }
5942
5943 /*------------------------------------------------------------------*/
5944 /*
5945 * Wireless Handler : get ESSID
5946 */
5947 static int airo_get_essid(struct net_device *dev,
5948 struct iw_request_info *info,
5949 struct iw_point *dwrq,
5950 char *extra)
5951 {
5952 struct airo_info *local = dev->priv;
5953 StatusRid status_rid; /* Card status info */
5954
5955 readStatusRid(local, &status_rid, 1);
5956
5957 /* Note : if dwrq->flags != 0, we should
5958 * get the relevant SSID from the SSID list... */
5959
5960 /* Get the current SSID */
5961 memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
5962 /* If none, we may want to get the one that was set */
5963
5964 /* Push it out ! */
5965 dwrq->length = status_rid.SSIDlen;
5966 dwrq->flags = 1; /* active */
5967
5968 return 0;
5969 }
5970
5971 /*------------------------------------------------------------------*/
5972 /*
5973 * Wireless Handler : set AP address
5974 */
5975 static int airo_set_wap(struct net_device *dev,
5976 struct iw_request_info *info,
5977 struct sockaddr *awrq,
5978 char *extra)
5979 {
5980 struct airo_info *local = dev->priv;
5981 Cmd cmd;
5982 Resp rsp;
5983 APListRid APList_rid;
5984 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5985 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5986
5987 if (awrq->sa_family != ARPHRD_ETHER)
5988 return -EINVAL;
5989 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5990 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
5991 memset(&cmd, 0, sizeof(cmd));
5992 cmd.cmd=CMD_LOSE_SYNC;
5993 if (down_interruptible(&local->sem))
5994 return -ERESTARTSYS;
5995 issuecommand(local, &cmd, &rsp);
5996 up(&local->sem);
5997 } else {
5998 memset(&APList_rid, 0, sizeof(APList_rid));
5999 APList_rid.len = sizeof(APList_rid);
6000 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
6001 disable_MAC(local, 1);
6002 writeAPListRid(local, &APList_rid, 1);
6003 enable_MAC(local, &rsp, 1);
6004 }
6005 return 0;
6006 }
6007
6008 /*------------------------------------------------------------------*/
6009 /*
6010 * Wireless Handler : get AP address
6011 */
6012 static int airo_get_wap(struct net_device *dev,
6013 struct iw_request_info *info,
6014 struct sockaddr *awrq,
6015 char *extra)
6016 {
6017 struct airo_info *local = dev->priv;
6018 StatusRid status_rid; /* Card status info */
6019
6020 readStatusRid(local, &status_rid, 1);
6021
6022 /* Tentative. This seems to work, wow, I'm lucky !!! */
6023 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6024 awrq->sa_family = ARPHRD_ETHER;
6025
6026 return 0;
6027 }
6028
6029 /*------------------------------------------------------------------*/
6030 /*
6031 * Wireless Handler : set Nickname
6032 */
6033 static int airo_set_nick(struct net_device *dev,
6034 struct iw_request_info *info,
6035 struct iw_point *dwrq,
6036 char *extra)
6037 {
6038 struct airo_info *local = dev->priv;
6039
6040 /* Check the size of the string */
6041 if(dwrq->length > 16) {
6042 return -E2BIG;
6043 }
6044 readConfigRid(local, 1);
6045 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6046 memcpy(local->config.nodeName, extra, dwrq->length);
6047 set_bit (FLAG_COMMIT, &local->flags);
6048
6049 return -EINPROGRESS; /* Call commit handler */
6050 }
6051
6052 /*------------------------------------------------------------------*/
6053 /*
6054 * Wireless Handler : get Nickname
6055 */
6056 static int airo_get_nick(struct net_device *dev,
6057 struct iw_request_info *info,
6058 struct iw_point *dwrq,
6059 char *extra)
6060 {
6061 struct airo_info *local = dev->priv;
6062
6063 readConfigRid(local, 1);
6064 strncpy(extra, local->config.nodeName, 16);
6065 extra[16] = '\0';
6066 dwrq->length = strlen(extra);
6067
6068 return 0;
6069 }
6070
6071 /*------------------------------------------------------------------*/
6072 /*
6073 * Wireless Handler : set Bit-Rate
6074 */
6075 static int airo_set_rate(struct net_device *dev,
6076 struct iw_request_info *info,
6077 struct iw_param *vwrq,
6078 char *extra)
6079 {
6080 struct airo_info *local = dev->priv;
6081 CapabilityRid cap_rid; /* Card capability info */
6082 u8 brate = 0;
6083 int i;
6084
6085 /* First : get a valid bit rate value */
6086 readCapabilityRid(local, &cap_rid, 1);
6087
6088 /* Which type of value ? */
6089 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6090 /* Setting by rate index */
6091 /* Find value in the magic rate table */
6092 brate = cap_rid.supportedRates[vwrq->value];
6093 } else {
6094 /* Setting by frequency value */
6095 u8 normvalue = (u8) (vwrq->value/500000);
6096
6097 /* Check if rate is valid */
6098 for(i = 0 ; i < 8 ; i++) {
6099 if(normvalue == cap_rid.supportedRates[i]) {
6100 brate = normvalue;
6101 break;
6102 }
6103 }
6104 }
6105 /* -1 designed the max rate (mostly auto mode) */
6106 if(vwrq->value == -1) {
6107 /* Get the highest available rate */
6108 for(i = 0 ; i < 8 ; i++) {
6109 if(cap_rid.supportedRates[i] == 0)
6110 break;
6111 }
6112 if(i != 0)
6113 brate = cap_rid.supportedRates[i - 1];
6114 }
6115 /* Check that it is valid */
6116 if(brate == 0) {
6117 return -EINVAL;
6118 }
6119
6120 readConfigRid(local, 1);
6121 /* Now, check if we want a fixed or auto value */
6122 if(vwrq->fixed == 0) {
6123 /* Fill all the rates up to this max rate */
6124 memset(local->config.rates, 0, 8);
6125 for(i = 0 ; i < 8 ; i++) {
6126 local->config.rates[i] = cap_rid.supportedRates[i];
6127 if(local->config.rates[i] == brate)
6128 break;
6129 }
6130 } else {
6131 /* Fixed mode */
6132 /* One rate, fixed */
6133 memset(local->config.rates, 0, 8);
6134 local->config.rates[0] = brate;
6135 }
6136 set_bit (FLAG_COMMIT, &local->flags);
6137
6138 return -EINPROGRESS; /* Call commit handler */
6139 }
6140
6141 /*------------------------------------------------------------------*/
6142 /*
6143 * Wireless Handler : get Bit-Rate
6144 */
6145 static int airo_get_rate(struct net_device *dev,
6146 struct iw_request_info *info,
6147 struct iw_param *vwrq,
6148 char *extra)
6149 {
6150 struct airo_info *local = dev->priv;
6151 StatusRid status_rid; /* Card status info */
6152
6153 readStatusRid(local, &status_rid, 1);
6154
6155 vwrq->value = status_rid.currentXmitRate * 500000;
6156 /* If more than one rate, set auto */
6157 readConfigRid(local, 1);
6158 vwrq->fixed = (local->config.rates[1] == 0);
6159
6160 return 0;
6161 }
6162
6163 /*------------------------------------------------------------------*/
6164 /*
6165 * Wireless Handler : set RTS threshold
6166 */
6167 static int airo_set_rts(struct net_device *dev,
6168 struct iw_request_info *info,
6169 struct iw_param *vwrq,
6170 char *extra)
6171 {
6172 struct airo_info *local = dev->priv;
6173 int rthr = vwrq->value;
6174
6175 if(vwrq->disabled)
6176 rthr = AIRO_DEF_MTU;
6177 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6178 return -EINVAL;
6179 }
6180 readConfigRid(local, 1);
6181 local->config.rtsThres = rthr;
6182 set_bit (FLAG_COMMIT, &local->flags);
6183
6184 return -EINPROGRESS; /* Call commit handler */
6185 }
6186
6187 /*------------------------------------------------------------------*/
6188 /*
6189 * Wireless Handler : get RTS threshold
6190 */
6191 static int airo_get_rts(struct net_device *dev,
6192 struct iw_request_info *info,
6193 struct iw_param *vwrq,
6194 char *extra)
6195 {
6196 struct airo_info *local = dev->priv;
6197
6198 readConfigRid(local, 1);
6199 vwrq->value = local->config.rtsThres;
6200 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6201 vwrq->fixed = 1;
6202
6203 return 0;
6204 }
6205
6206 /*------------------------------------------------------------------*/
6207 /*
6208 * Wireless Handler : set Fragmentation threshold
6209 */
6210 static int airo_set_frag(struct net_device *dev,
6211 struct iw_request_info *info,
6212 struct iw_param *vwrq,
6213 char *extra)
6214 {
6215 struct airo_info *local = dev->priv;
6216 int fthr = vwrq->value;
6217
6218 if(vwrq->disabled)
6219 fthr = AIRO_DEF_MTU;
6220 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6221 return -EINVAL;
6222 }
6223 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6224 readConfigRid(local, 1);
6225 local->config.fragThresh = (u16)fthr;
6226 set_bit (FLAG_COMMIT, &local->flags);
6227
6228 return -EINPROGRESS; /* Call commit handler */
6229 }
6230
6231 /*------------------------------------------------------------------*/
6232 /*
6233 * Wireless Handler : get Fragmentation threshold
6234 */
6235 static int airo_get_frag(struct net_device *dev,
6236 struct iw_request_info *info,
6237 struct iw_param *vwrq,
6238 char *extra)
6239 {
6240 struct airo_info *local = dev->priv;
6241
6242 readConfigRid(local, 1);
6243 vwrq->value = local->config.fragThresh;
6244 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6245 vwrq->fixed = 1;
6246
6247 return 0;
6248 }
6249
6250 /*------------------------------------------------------------------*/
6251 /*
6252 * Wireless Handler : set Mode of Operation
6253 */
6254 static int airo_set_mode(struct net_device *dev,
6255 struct iw_request_info *info,
6256 __u32 *uwrq,
6257 char *extra)
6258 {
6259 struct airo_info *local = dev->priv;
6260 int reset = 0;
6261
6262 readConfigRid(local, 1);
6263 if ((local->config.rmode & 0xff) >= RXMODE_RFMON)
6264 reset = 1;
6265
6266 switch(*uwrq) {
6267 case IW_MODE_ADHOC:
6268 local->config.opmode &= 0xFF00;
6269 local->config.opmode |= MODE_STA_IBSS;
6270 local->config.rmode &= 0xfe00;
6271 local->config.scanMode = SCANMODE_ACTIVE;
6272 clear_bit (FLAG_802_11, &local->flags);
6273 break;
6274 case IW_MODE_INFRA:
6275 local->config.opmode &= 0xFF00;
6276 local->config.opmode |= MODE_STA_ESS;
6277 local->config.rmode &= 0xfe00;
6278 local->config.scanMode = SCANMODE_ACTIVE;
6279 clear_bit (FLAG_802_11, &local->flags);
6280 break;
6281 case IW_MODE_MASTER:
6282 local->config.opmode &= 0xFF00;
6283 local->config.opmode |= MODE_AP;
6284 local->config.rmode &= 0xfe00;
6285 local->config.scanMode = SCANMODE_ACTIVE;
6286 clear_bit (FLAG_802_11, &local->flags);
6287 break;
6288 case IW_MODE_REPEAT:
6289 local->config.opmode &= 0xFF00;
6290 local->config.opmode |= MODE_AP_RPTR;
6291 local->config.rmode &= 0xfe00;
6292 local->config.scanMode = SCANMODE_ACTIVE;
6293 clear_bit (FLAG_802_11, &local->flags);
6294 break;
6295 case IW_MODE_MONITOR:
6296 local->config.opmode &= 0xFF00;
6297 local->config.opmode |= MODE_STA_ESS;
6298 local->config.rmode &= 0xfe00;
6299 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6300 local->config.scanMode = SCANMODE_PASSIVE;
6301 set_bit (FLAG_802_11, &local->flags);
6302 break;
6303 default:
6304 return -EINVAL;
6305 }
6306 if (reset)
6307 set_bit (FLAG_RESET, &local->flags);
6308 set_bit (FLAG_COMMIT, &local->flags);
6309
6310 return -EINPROGRESS; /* Call commit handler */
6311 }
6312
6313 /*------------------------------------------------------------------*/
6314 /*
6315 * Wireless Handler : get Mode of Operation
6316 */
6317 static int airo_get_mode(struct net_device *dev,
6318 struct iw_request_info *info,
6319 __u32 *uwrq,
6320 char *extra)
6321 {
6322 struct airo_info *local = dev->priv;
6323
6324 readConfigRid(local, 1);
6325 /* If not managed, assume it's ad-hoc */
6326 switch (local->config.opmode & 0xFF) {
6327 case MODE_STA_ESS:
6328 *uwrq = IW_MODE_INFRA;
6329 break;
6330 case MODE_AP:
6331 *uwrq = IW_MODE_MASTER;
6332 break;
6333 case MODE_AP_RPTR:
6334 *uwrq = IW_MODE_REPEAT;
6335 break;
6336 default:
6337 *uwrq = IW_MODE_ADHOC;
6338 }
6339
6340 return 0;
6341 }
6342
6343 /*------------------------------------------------------------------*/
6344 /*
6345 * Wireless Handler : set Encryption Key
6346 */
6347 static int airo_set_encode(struct net_device *dev,
6348 struct iw_request_info *info,
6349 struct iw_point *dwrq,
6350 char *extra)
6351 {
6352 struct airo_info *local = dev->priv;
6353 CapabilityRid cap_rid; /* Card capability info */
6354 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6355 u16 currentAuthType = local->config.authType;
6356
6357 /* Is WEP supported ? */
6358 readCapabilityRid(local, &cap_rid, 1);
6359 /* Older firmware doesn't support this...
6360 if(!(cap_rid.softCap & 2)) {
6361 return -EOPNOTSUPP;
6362 } */
6363 readConfigRid(local, 1);
6364
6365 /* Basic checking: do we have a key to set ?
6366 * Note : with the new API, it's impossible to get a NULL pointer.
6367 * Therefore, we need to check a key size == 0 instead.
6368 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6369 * when no key is present (only change flags), but older versions
6370 * don't do it. - Jean II */
6371 if (dwrq->length > 0) {
6372 wep_key_t key;
6373 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6374 int current_index = get_wep_key(local, 0xffff);
6375 /* Check the size of the key */
6376 if (dwrq->length > MAX_KEY_SIZE) {
6377 return -EINVAL;
6378 }
6379 /* Check the index (none -> use current) */
6380 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4:1)))
6381 index = current_index;
6382 /* Set the length */
6383 if (dwrq->length > MIN_KEY_SIZE)
6384 key.len = MAX_KEY_SIZE;
6385 else
6386 if (dwrq->length > 0)
6387 key.len = MIN_KEY_SIZE;
6388 else
6389 /* Disable the key */
6390 key.len = 0;
6391 /* Check if the key is not marked as invalid */
6392 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6393 /* Cleanup */
6394 memset(key.key, 0, MAX_KEY_SIZE);
6395 /* Copy the key in the driver */
6396 memcpy(key.key, extra, dwrq->length);
6397 /* Send the key to the card */
6398 set_wep_key(local, index, key.key, key.len, perm, 1);
6399 }
6400 /* WE specify that if a valid key is set, encryption
6401 * should be enabled (user may turn it off later)
6402 * This is also how "iwconfig ethX key on" works */
6403 if((index == current_index) && (key.len > 0) &&
6404 (local->config.authType == AUTH_OPEN)) {
6405 local->config.authType = AUTH_ENCRYPT;
6406 }
6407 } else {
6408 /* Do we want to just set the transmit key index ? */
6409 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6410 if ((index >= 0) && (index < ((cap_rid.softCap & 0x80)?4:1))) {
6411 set_wep_key(local, index, NULL, 0, perm, 1);
6412 } else
6413 /* Don't complain if only change the mode */
6414 if(!dwrq->flags & IW_ENCODE_MODE) {
6415 return -EINVAL;
6416 }
6417 }
6418 /* Read the flags */
6419 if(dwrq->flags & IW_ENCODE_DISABLED)
6420 local->config.authType = AUTH_OPEN; // disable encryption
6421 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6422 local->config.authType = AUTH_SHAREDKEY; // Only Both
6423 if(dwrq->flags & IW_ENCODE_OPEN)
6424 local->config.authType = AUTH_ENCRYPT; // Only Wep
6425 /* Commit the changes to flags if needed */
6426 if (local->config.authType != currentAuthType)
6427 set_bit (FLAG_COMMIT, &local->flags);
6428 return -EINPROGRESS; /* Call commit handler */
6429 }
6430
6431 /*------------------------------------------------------------------*/
6432 /*
6433 * Wireless Handler : get Encryption Key
6434 */
6435 static int airo_get_encode(struct net_device *dev,
6436 struct iw_request_info *info,
6437 struct iw_point *dwrq,
6438 char *extra)
6439 {
6440 struct airo_info *local = dev->priv;
6441 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6442 CapabilityRid cap_rid; /* Card capability info */
6443
6444 /* Is it supported ? */
6445 readCapabilityRid(local, &cap_rid, 1);
6446 if(!(cap_rid.softCap & 2)) {
6447 return -EOPNOTSUPP;
6448 }
6449 readConfigRid(local, 1);
6450 /* Check encryption mode */
6451 switch(local->config.authType) {
6452 case AUTH_ENCRYPT:
6453 dwrq->flags = IW_ENCODE_OPEN;
6454 break;
6455 case AUTH_SHAREDKEY:
6456 dwrq->flags = IW_ENCODE_RESTRICTED;
6457 break;
6458 default:
6459 case AUTH_OPEN:
6460 dwrq->flags = IW_ENCODE_DISABLED;
6461 break;
6462 }
6463 /* We can't return the key, so set the proper flag and return zero */
6464 dwrq->flags |= IW_ENCODE_NOKEY;
6465 memset(extra, 0, 16);
6466
6467 /* Which key do we want ? -1 -> tx index */
6468 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4 : 1)))
6469 index = get_wep_key(local, 0xffff);
6470 dwrq->flags |= index + 1;
6471 /* Copy the key to the user buffer */
6472 dwrq->length = get_wep_key(local, index);
6473 if (dwrq->length > 16) {
6474 dwrq->length=0;
6475 }
6476 return 0;
6477 }
6478
6479 /*------------------------------------------------------------------*/
6480 /*
6481 * Wireless Handler : set extended Encryption parameters
6482 */
6483 static int airo_set_encodeext(struct net_device *dev,
6484 struct iw_request_info *info,
6485 union iwreq_data *wrqu,
6486 char *extra)
6487 {
6488 struct airo_info *local = dev->priv;
6489 struct iw_point *encoding = &wrqu->encoding;
6490 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6491 CapabilityRid cap_rid; /* Card capability info */
6492 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6493 u16 currentAuthType = local->config.authType;
6494 int idx, key_len, alg = ext->alg, set_key = 1;
6495 wep_key_t key;
6496
6497 /* Is WEP supported ? */
6498 readCapabilityRid(local, &cap_rid, 1);
6499 /* Older firmware doesn't support this...
6500 if(!(cap_rid.softCap & 2)) {
6501 return -EOPNOTSUPP;
6502 } */
6503 readConfigRid(local, 1);
6504
6505 /* Determine and validate the key index */
6506 idx = encoding->flags & IW_ENCODE_INDEX;
6507 if (idx) {
6508 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6509 return -EINVAL;
6510 idx--;
6511 } else
6512 idx = get_wep_key(local, 0xffff);
6513
6514 if (encoding->flags & IW_ENCODE_DISABLED)
6515 alg = IW_ENCODE_ALG_NONE;
6516
6517 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6518 /* Only set transmit key index here, actual
6519 * key is set below if needed.
6520 */
6521 set_wep_key(local, idx, NULL, 0, perm, 1);
6522 set_key = ext->key_len > 0 ? 1 : 0;
6523 }
6524
6525 if (set_key) {
6526 /* Set the requested key first */
6527 memset(key.key, 0, MAX_KEY_SIZE);
6528 switch (alg) {
6529 case IW_ENCODE_ALG_NONE:
6530 key.len = 0;
6531 break;
6532 case IW_ENCODE_ALG_WEP:
6533 if (ext->key_len > MIN_KEY_SIZE) {
6534 key.len = MAX_KEY_SIZE;
6535 } else if (ext->key_len > 0) {
6536 key.len = MIN_KEY_SIZE;
6537 } else {
6538 return -EINVAL;
6539 }
6540 key_len = min (ext->key_len, key.len);
6541 memcpy(key.key, ext->key, key_len);
6542 break;
6543 default:
6544 return -EINVAL;
6545 }
6546 /* Send the key to the card */
6547 set_wep_key(local, idx, key.key, key.len, perm, 1);
6548 }
6549
6550 /* Read the flags */
6551 if(encoding->flags & IW_ENCODE_DISABLED)
6552 local->config.authType = AUTH_OPEN; // disable encryption
6553 if(encoding->flags & IW_ENCODE_RESTRICTED)
6554 local->config.authType = AUTH_SHAREDKEY; // Only Both
6555 if(encoding->flags & IW_ENCODE_OPEN)
6556 local->config.authType = AUTH_ENCRYPT; // Only Wep
6557 /* Commit the changes to flags if needed */
6558 if (local->config.authType != currentAuthType)
6559 set_bit (FLAG_COMMIT, &local->flags);
6560
6561 return -EINPROGRESS;
6562 }
6563
6564
6565 /*------------------------------------------------------------------*/
6566 /*
6567 * Wireless Handler : get extended Encryption parameters
6568 */
6569 static int airo_get_encodeext(struct net_device *dev,
6570 struct iw_request_info *info,
6571 union iwreq_data *wrqu,
6572 char *extra)
6573 {
6574 struct airo_info *local = dev->priv;
6575 struct iw_point *encoding = &wrqu->encoding;
6576 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6577 CapabilityRid cap_rid; /* Card capability info */
6578 int idx, max_key_len;
6579
6580 /* Is it supported ? */
6581 readCapabilityRid(local, &cap_rid, 1);
6582 if(!(cap_rid.softCap & 2)) {
6583 return -EOPNOTSUPP;
6584 }
6585 readConfigRid(local, 1);
6586
6587 max_key_len = encoding->length - sizeof(*ext);
6588 if (max_key_len < 0)
6589 return -EINVAL;
6590
6591 idx = encoding->flags & IW_ENCODE_INDEX;
6592 if (idx) {
6593 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6594 return -EINVAL;
6595 idx--;
6596 } else
6597 idx = get_wep_key(local, 0xffff);
6598
6599 encoding->flags = idx + 1;
6600 memset(ext, 0, sizeof(*ext));
6601
6602 /* Check encryption mode */
6603 switch(local->config.authType) {
6604 case AUTH_ENCRYPT:
6605 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6606 break;
6607 case AUTH_SHAREDKEY:
6608 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6609 break;
6610 default:
6611 case AUTH_OPEN:
6612 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6613 break;
6614 }
6615 /* We can't return the key, so set the proper flag and return zero */
6616 encoding->flags |= IW_ENCODE_NOKEY;
6617 memset(extra, 0, 16);
6618
6619 /* Copy the key to the user buffer */
6620 ext->key_len = get_wep_key(local, idx);
6621 if (ext->key_len > 16) {
6622 ext->key_len=0;
6623 }
6624
6625 return 0;
6626 }
6627
6628
6629 /*------------------------------------------------------------------*/
6630 /*
6631 * Wireless Handler : set extended authentication parameters
6632 */
6633 static int airo_set_auth(struct net_device *dev,
6634 struct iw_request_info *info,
6635 union iwreq_data *wrqu, char *extra)
6636 {
6637 struct airo_info *local = dev->priv;
6638 struct iw_param *param = &wrqu->param;
6639 u16 currentAuthType = local->config.authType;
6640
6641 switch (param->flags & IW_AUTH_INDEX) {
6642 case IW_AUTH_WPA_VERSION:
6643 case IW_AUTH_CIPHER_PAIRWISE:
6644 case IW_AUTH_CIPHER_GROUP:
6645 case IW_AUTH_KEY_MGMT:
6646 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6647 case IW_AUTH_PRIVACY_INVOKED:
6648 /*
6649 * airo does not use these parameters
6650 */
6651 break;
6652
6653 case IW_AUTH_DROP_UNENCRYPTED:
6654 if (param->value) {
6655 /* Only change auth type if unencrypted */
6656 if (currentAuthType == AUTH_OPEN)
6657 local->config.authType = AUTH_ENCRYPT;
6658 } else {
6659 local->config.authType = AUTH_OPEN;
6660 }
6661
6662 /* Commit the changes to flags if needed */
6663 if (local->config.authType != currentAuthType)
6664 set_bit (FLAG_COMMIT, &local->flags);
6665 break;
6666
6667 case IW_AUTH_80211_AUTH_ALG: {
6668 /* FIXME: What about AUTH_OPEN? This API seems to
6669 * disallow setting our auth to AUTH_OPEN.
6670 */
6671 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6672 local->config.authType = AUTH_SHAREDKEY;
6673 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6674 local->config.authType = AUTH_ENCRYPT;
6675 } else
6676 return -EINVAL;
6677 break;
6678
6679 /* Commit the changes to flags if needed */
6680 if (local->config.authType != currentAuthType)
6681 set_bit (FLAG_COMMIT, &local->flags);
6682 }
6683
6684 case IW_AUTH_WPA_ENABLED:
6685 /* Silently accept disable of WPA */
6686 if (param->value > 0)
6687 return -EOPNOTSUPP;
6688 break;
6689
6690 default:
6691 return -EOPNOTSUPP;
6692 }
6693 return -EINPROGRESS;
6694 }
6695
6696
6697 /*------------------------------------------------------------------*/
6698 /*
6699 * Wireless Handler : get extended authentication parameters
6700 */
6701 static int airo_get_auth(struct net_device *dev,
6702 struct iw_request_info *info,
6703 union iwreq_data *wrqu, char *extra)
6704 {
6705 struct airo_info *local = dev->priv;
6706 struct iw_param *param = &wrqu->param;
6707 u16 currentAuthType = local->config.authType;
6708
6709 switch (param->flags & IW_AUTH_INDEX) {
6710 case IW_AUTH_DROP_UNENCRYPTED:
6711 switch (currentAuthType) {
6712 case AUTH_SHAREDKEY:
6713 case AUTH_ENCRYPT:
6714 param->value = 1;
6715 break;
6716 default:
6717 param->value = 0;
6718 break;
6719 }
6720 break;
6721
6722 case IW_AUTH_80211_AUTH_ALG:
6723 switch (currentAuthType) {
6724 case AUTH_SHAREDKEY:
6725 param->value = IW_AUTH_ALG_SHARED_KEY;
6726 break;
6727 case AUTH_ENCRYPT:
6728 default:
6729 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6730 break;
6731 }
6732 break;
6733
6734 case IW_AUTH_WPA_ENABLED:
6735 param->value = 0;
6736 break;
6737
6738 default:
6739 return -EOPNOTSUPP;
6740 }
6741 return 0;
6742 }
6743
6744
6745 /*------------------------------------------------------------------*/
6746 /*
6747 * Wireless Handler : set Tx-Power
6748 */
6749 static int airo_set_txpow(struct net_device *dev,
6750 struct iw_request_info *info,
6751 struct iw_param *vwrq,
6752 char *extra)
6753 {
6754 struct airo_info *local = dev->priv;
6755 CapabilityRid cap_rid; /* Card capability info */
6756 int i;
6757 int rc = -EINVAL;
6758
6759 readCapabilityRid(local, &cap_rid, 1);
6760
6761 if (vwrq->disabled) {
6762 set_bit (FLAG_RADIO_OFF, &local->flags);
6763 set_bit (FLAG_COMMIT, &local->flags);
6764 return -EINPROGRESS; /* Call commit handler */
6765 }
6766 if (vwrq->flags != IW_TXPOW_MWATT) {
6767 return -EINVAL;
6768 }
6769 clear_bit (FLAG_RADIO_OFF, &local->flags);
6770 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6771 if ((vwrq->value==cap_rid.txPowerLevels[i])) {
6772 readConfigRid(local, 1);
6773 local->config.txPower = vwrq->value;
6774 set_bit (FLAG_COMMIT, &local->flags);
6775 rc = -EINPROGRESS; /* Call commit handler */
6776 break;
6777 }
6778 return rc;
6779 }
6780
6781 /*------------------------------------------------------------------*/
6782 /*
6783 * Wireless Handler : get Tx-Power
6784 */
6785 static int airo_get_txpow(struct net_device *dev,
6786 struct iw_request_info *info,
6787 struct iw_param *vwrq,
6788 char *extra)
6789 {
6790 struct airo_info *local = dev->priv;
6791
6792 readConfigRid(local, 1);
6793 vwrq->value = local->config.txPower;
6794 vwrq->fixed = 1; /* No power control */
6795 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6796 vwrq->flags = IW_TXPOW_MWATT;
6797
6798 return 0;
6799 }
6800
6801 /*------------------------------------------------------------------*/
6802 /*
6803 * Wireless Handler : set Retry limits
6804 */
6805 static int airo_set_retry(struct net_device *dev,
6806 struct iw_request_info *info,
6807 struct iw_param *vwrq,
6808 char *extra)
6809 {
6810 struct airo_info *local = dev->priv;
6811 int rc = -EINVAL;
6812
6813 if(vwrq->disabled) {
6814 return -EINVAL;
6815 }
6816 readConfigRid(local, 1);
6817 if(vwrq->flags & IW_RETRY_LIMIT) {
6818 if(vwrq->flags & IW_RETRY_LONG)
6819 local->config.longRetryLimit = vwrq->value;
6820 else if (vwrq->flags & IW_RETRY_SHORT)
6821 local->config.shortRetryLimit = vwrq->value;
6822 else {
6823 /* No modifier : set both */
6824 local->config.longRetryLimit = vwrq->value;
6825 local->config.shortRetryLimit = vwrq->value;
6826 }
6827 set_bit (FLAG_COMMIT, &local->flags);
6828 rc = -EINPROGRESS; /* Call commit handler */
6829 }
6830 if(vwrq->flags & IW_RETRY_LIFETIME) {
6831 local->config.txLifetime = vwrq->value / 1024;
6832 set_bit (FLAG_COMMIT, &local->flags);
6833 rc = -EINPROGRESS; /* Call commit handler */
6834 }
6835 return rc;
6836 }
6837
6838 /*------------------------------------------------------------------*/
6839 /*
6840 * Wireless Handler : get Retry limits
6841 */
6842 static int airo_get_retry(struct net_device *dev,
6843 struct iw_request_info *info,
6844 struct iw_param *vwrq,
6845 char *extra)
6846 {
6847 struct airo_info *local = dev->priv;
6848
6849 vwrq->disabled = 0; /* Can't be disabled */
6850
6851 readConfigRid(local, 1);
6852 /* Note : by default, display the min retry number */
6853 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6854 vwrq->flags = IW_RETRY_LIFETIME;
6855 vwrq->value = (int)local->config.txLifetime * 1024;
6856 } else if((vwrq->flags & IW_RETRY_LONG)) {
6857 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6858 vwrq->value = (int)local->config.longRetryLimit;
6859 } else {
6860 vwrq->flags = IW_RETRY_LIMIT;
6861 vwrq->value = (int)local->config.shortRetryLimit;
6862 if((int)local->config.shortRetryLimit != (int)local->config.longRetryLimit)
6863 vwrq->flags |= IW_RETRY_SHORT;
6864 }
6865
6866 return 0;
6867 }
6868
6869 /*------------------------------------------------------------------*/
6870 /*
6871 * Wireless Handler : get range info
6872 */
6873 static int airo_get_range(struct net_device *dev,
6874 struct iw_request_info *info,
6875 struct iw_point *dwrq,
6876 char *extra)
6877 {
6878 struct airo_info *local = dev->priv;
6879 struct iw_range *range = (struct iw_range *) extra;
6880 CapabilityRid cap_rid; /* Card capability info */
6881 int i;
6882 int k;
6883
6884 readCapabilityRid(local, &cap_rid, 1);
6885
6886 dwrq->length = sizeof(struct iw_range);
6887 memset(range, 0, sizeof(*range));
6888 range->min_nwid = 0x0000;
6889 range->max_nwid = 0x0000;
6890 range->num_channels = 14;
6891 /* Should be based on cap_rid.country to give only
6892 * what the current card support */
6893 k = 0;
6894 for(i = 0; i < 14; i++) {
6895 range->freq[k].i = i + 1; /* List index */
6896 range->freq[k].m = frequency_list[i] * 100000;
6897 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6898 }
6899 range->num_frequency = k;
6900
6901 range->sensitivity = 65535;
6902
6903 /* Hum... Should put the right values there */
6904 if (local->rssi)
6905 range->max_qual.qual = 100; /* % */
6906 else
6907 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6908 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6909 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6910
6911 /* Experimental measurements - boundary 11/5.5 Mb/s */
6912 /* Note : with or without the (local->rssi), results
6913 * are somewhat different. - Jean II */
6914 if (local->rssi) {
6915 range->avg_qual.qual = 50; /* % */
6916 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6917 } else {
6918 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6919 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6920 }
6921 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6922
6923 for(i = 0 ; i < 8 ; i++) {
6924 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6925 if(range->bitrate[i] == 0)
6926 break;
6927 }
6928 range->num_bitrates = i;
6929
6930 /* Set an indication of the max TCP throughput
6931 * in bit/s that we can expect using this interface.
6932 * May be use for QoS stuff... Jean II */
6933 if(i > 2)
6934 range->throughput = 5000 * 1000;
6935 else
6936 range->throughput = 1500 * 1000;
6937
6938 range->min_rts = 0;
6939 range->max_rts = AIRO_DEF_MTU;
6940 range->min_frag = 256;
6941 range->max_frag = AIRO_DEF_MTU;
6942
6943 if(cap_rid.softCap & 2) {
6944 // WEP: RC4 40 bits
6945 range->encoding_size[0] = 5;
6946 // RC4 ~128 bits
6947 if (cap_rid.softCap & 0x100) {
6948 range->encoding_size[1] = 13;
6949 range->num_encoding_sizes = 2;
6950 } else
6951 range->num_encoding_sizes = 1;
6952 range->max_encoding_tokens = (cap_rid.softCap & 0x80) ? 4 : 1;
6953 } else {
6954 range->num_encoding_sizes = 0;
6955 range->max_encoding_tokens = 0;
6956 }
6957 range->min_pmp = 0;
6958 range->max_pmp = 5000000; /* 5 secs */
6959 range->min_pmt = 0;
6960 range->max_pmt = 65535 * 1024; /* ??? */
6961 range->pmp_flags = IW_POWER_PERIOD;
6962 range->pmt_flags = IW_POWER_TIMEOUT;
6963 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6964
6965 /* Transmit Power - values are in mW */
6966 for(i = 0 ; i < 8 ; i++) {
6967 range->txpower[i] = cap_rid.txPowerLevels[i];
6968 if(range->txpower[i] == 0)
6969 break;
6970 }
6971 range->num_txpower = i;
6972 range->txpower_capa = IW_TXPOW_MWATT;
6973 range->we_version_source = 19;
6974 range->we_version_compiled = WIRELESS_EXT;
6975 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6976 range->retry_flags = IW_RETRY_LIMIT;
6977 range->r_time_flags = IW_RETRY_LIFETIME;
6978 range->min_retry = 1;
6979 range->max_retry = 65535;
6980 range->min_r_time = 1024;
6981 range->max_r_time = 65535 * 1024;
6982
6983 /* Event capability (kernel + driver) */
6984 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6985 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6986 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6987 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6988 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6989 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6990 return 0;
6991 }
6992
6993 /*------------------------------------------------------------------*/
6994 /*
6995 * Wireless Handler : set Power Management
6996 */
6997 static int airo_set_power(struct net_device *dev,
6998 struct iw_request_info *info,
6999 struct iw_param *vwrq,
7000 char *extra)
7001 {
7002 struct airo_info *local = dev->priv;
7003
7004 readConfigRid(local, 1);
7005 if (vwrq->disabled) {
7006 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7007 return -EINVAL;
7008 }
7009 local->config.powerSaveMode = POWERSAVE_CAM;
7010 local->config.rmode &= 0xFF00;
7011 local->config.rmode |= RXMODE_BC_MC_ADDR;
7012 set_bit (FLAG_COMMIT, &local->flags);
7013 return -EINPROGRESS; /* Call commit handler */
7014 }
7015 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7016 local->config.fastListenDelay = (vwrq->value + 500) / 1024;
7017 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7018 set_bit (FLAG_COMMIT, &local->flags);
7019 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7020 local->config.fastListenInterval = local->config.listenInterval = (vwrq->value + 500) / 1024;
7021 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7022 set_bit (FLAG_COMMIT, &local->flags);
7023 }
7024 switch (vwrq->flags & IW_POWER_MODE) {
7025 case IW_POWER_UNICAST_R:
7026 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7027 return -EINVAL;
7028 }
7029 local->config.rmode &= 0xFF00;
7030 local->config.rmode |= RXMODE_ADDR;
7031 set_bit (FLAG_COMMIT, &local->flags);
7032 break;
7033 case IW_POWER_ALL_R:
7034 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7035 return -EINVAL;
7036 }
7037 local->config.rmode &= 0xFF00;
7038 local->config.rmode |= RXMODE_BC_MC_ADDR;
7039 set_bit (FLAG_COMMIT, &local->flags);
7040 case IW_POWER_ON:
7041 /* This is broken, fixme ;-) */
7042 break;
7043 default:
7044 return -EINVAL;
7045 }
7046 // Note : we may want to factor local->need_commit here
7047 // Note2 : may also want to factor RXMODE_RFMON test
7048 return -EINPROGRESS; /* Call commit handler */
7049 }
7050
7051 /*------------------------------------------------------------------*/
7052 /*
7053 * Wireless Handler : get Power Management
7054 */
7055 static int airo_get_power(struct net_device *dev,
7056 struct iw_request_info *info,
7057 struct iw_param *vwrq,
7058 char *extra)
7059 {
7060 struct airo_info *local = dev->priv;
7061 int mode;
7062
7063 readConfigRid(local, 1);
7064 mode = local->config.powerSaveMode;
7065 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7066 return 0;
7067 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7068 vwrq->value = (int)local->config.fastListenDelay * 1024;
7069 vwrq->flags = IW_POWER_TIMEOUT;
7070 } else {
7071 vwrq->value = (int)local->config.fastListenInterval * 1024;
7072 vwrq->flags = IW_POWER_PERIOD;
7073 }
7074 if ((local->config.rmode & 0xFF) == RXMODE_ADDR)
7075 vwrq->flags |= IW_POWER_UNICAST_R;
7076 else
7077 vwrq->flags |= IW_POWER_ALL_R;
7078
7079 return 0;
7080 }
7081
7082 /*------------------------------------------------------------------*/
7083 /*
7084 * Wireless Handler : set Sensitivity
7085 */
7086 static int airo_set_sens(struct net_device *dev,
7087 struct iw_request_info *info,
7088 struct iw_param *vwrq,
7089 char *extra)
7090 {
7091 struct airo_info *local = dev->priv;
7092
7093 readConfigRid(local, 1);
7094 local->config.rssiThreshold = vwrq->disabled ? RSSI_DEFAULT : vwrq->value;
7095 set_bit (FLAG_COMMIT, &local->flags);
7096
7097 return -EINPROGRESS; /* Call commit handler */
7098 }
7099
7100 /*------------------------------------------------------------------*/
7101 /*
7102 * Wireless Handler : get Sensitivity
7103 */
7104 static int airo_get_sens(struct net_device *dev,
7105 struct iw_request_info *info,
7106 struct iw_param *vwrq,
7107 char *extra)
7108 {
7109 struct airo_info *local = dev->priv;
7110
7111 readConfigRid(local, 1);
7112 vwrq->value = local->config.rssiThreshold;
7113 vwrq->disabled = (vwrq->value == 0);
7114 vwrq->fixed = 1;
7115
7116 return 0;
7117 }
7118
7119 /*------------------------------------------------------------------*/
7120 /*
7121 * Wireless Handler : get AP List
7122 * Note : this is deprecated in favor of IWSCAN
7123 */
7124 static int airo_get_aplist(struct net_device *dev,
7125 struct iw_request_info *info,
7126 struct iw_point *dwrq,
7127 char *extra)
7128 {
7129 struct airo_info *local = dev->priv;
7130 struct sockaddr *address = (struct sockaddr *) extra;
7131 struct iw_quality qual[IW_MAX_AP];
7132 BSSListRid BSSList;
7133 int i;
7134 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7135
7136 for (i = 0; i < IW_MAX_AP; i++) {
7137 if (readBSSListRid(local, loseSync, &BSSList))
7138 break;
7139 loseSync = 0;
7140 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7141 address[i].sa_family = ARPHRD_ETHER;
7142 if (local->rssi) {
7143 qual[i].level = 0x100 - BSSList.dBm;
7144 qual[i].qual = airo_dbm_to_pct( local->rssi, BSSList.dBm );
7145 qual[i].updated = IW_QUAL_QUAL_UPDATED
7146 | IW_QUAL_LEVEL_UPDATED
7147 | IW_QUAL_DBM;
7148 } else {
7149 qual[i].level = (BSSList.dBm + 321) / 2;
7150 qual[i].qual = 0;
7151 qual[i].updated = IW_QUAL_QUAL_INVALID
7152 | IW_QUAL_LEVEL_UPDATED
7153 | IW_QUAL_DBM;
7154 }
7155 qual[i].noise = local->wstats.qual.noise;
7156 if (BSSList.index == 0xffff)
7157 break;
7158 }
7159 if (!i) {
7160 StatusRid status_rid; /* Card status info */
7161 readStatusRid(local, &status_rid, 1);
7162 for (i = 0;
7163 i < min(IW_MAX_AP, 4) &&
7164 (status_rid.bssid[i][0]
7165 & status_rid.bssid[i][1]
7166 & status_rid.bssid[i][2]
7167 & status_rid.bssid[i][3]
7168 & status_rid.bssid[i][4]
7169 & status_rid.bssid[i][5])!=0xff &&
7170 (status_rid.bssid[i][0]
7171 | status_rid.bssid[i][1]
7172 | status_rid.bssid[i][2]
7173 | status_rid.bssid[i][3]
7174 | status_rid.bssid[i][4]
7175 | status_rid.bssid[i][5]);
7176 i++) {
7177 memcpy(address[i].sa_data,
7178 status_rid.bssid[i], ETH_ALEN);
7179 address[i].sa_family = ARPHRD_ETHER;
7180 }
7181 } else {
7182 dwrq->flags = 1; /* Should be define'd */
7183 memcpy(extra + sizeof(struct sockaddr)*i,
7184 &qual, sizeof(struct iw_quality)*i);
7185 }
7186 dwrq->length = i;
7187
7188 return 0;
7189 }
7190
7191 /*------------------------------------------------------------------*/
7192 /*
7193 * Wireless Handler : Initiate Scan
7194 */
7195 static int airo_set_scan(struct net_device *dev,
7196 struct iw_request_info *info,
7197 struct iw_param *vwrq,
7198 char *extra)
7199 {
7200 struct airo_info *ai = dev->priv;
7201 Cmd cmd;
7202 Resp rsp;
7203 int wake = 0;
7204
7205 /* Note : you may have realised that, as this is a SET operation,
7206 * this is privileged and therefore a normal user can't
7207 * perform scanning.
7208 * This is not an error, while the device perform scanning,
7209 * traffic doesn't flow, so it's a perfect DoS...
7210 * Jean II */
7211 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7212
7213 if (down_interruptible(&ai->sem))
7214 return -ERESTARTSYS;
7215
7216 /* If there's already a scan in progress, don't
7217 * trigger another one. */
7218 if (ai->scan_timeout > 0)
7219 goto out;
7220
7221 /* Initiate a scan command */
7222 ai->scan_timeout = RUN_AT(3*HZ);
7223 memset(&cmd, 0, sizeof(cmd));
7224 cmd.cmd=CMD_LISTBSS;
7225 issuecommand(ai, &cmd, &rsp);
7226 wake = 1;
7227
7228 out:
7229 up(&ai->sem);
7230 if (wake)
7231 wake_up_interruptible(&ai->thr_wait);
7232 return 0;
7233 }
7234
7235 /*------------------------------------------------------------------*/
7236 /*
7237 * Translate scan data returned from the card to a card independent
7238 * format that the Wireless Tools will understand - Jean II
7239 */
7240 static inline char *airo_translate_scan(struct net_device *dev,
7241 char *current_ev,
7242 char *end_buf,
7243 BSSListRid *bss)
7244 {
7245 struct airo_info *ai = dev->priv;
7246 struct iw_event iwe; /* Temporary buffer */
7247 u16 capabilities;
7248 char * current_val; /* For rates */
7249 int i;
7250 char * buf;
7251
7252 /* First entry *MUST* be the AP MAC address */
7253 iwe.cmd = SIOCGIWAP;
7254 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7255 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7256 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
7257
7258 /* Other entries will be displayed in the order we give them */
7259
7260 /* Add the ESSID */
7261 iwe.u.data.length = bss->ssidLen;
7262 if(iwe.u.data.length > 32)
7263 iwe.u.data.length = 32;
7264 iwe.cmd = SIOCGIWESSID;
7265 iwe.u.data.flags = 1;
7266 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7267
7268 /* Add mode */
7269 iwe.cmd = SIOCGIWMODE;
7270 capabilities = le16_to_cpu(bss->cap);
7271 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7272 if(capabilities & CAP_ESS)
7273 iwe.u.mode = IW_MODE_MASTER;
7274 else
7275 iwe.u.mode = IW_MODE_ADHOC;
7276 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
7277 }
7278
7279 /* Add frequency */
7280 iwe.cmd = SIOCGIWFREQ;
7281 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7282 /* iwe.u.freq.m containt the channel (starting 1), our
7283 * frequency_list array start at index 0...
7284 */
7285 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
7286 iwe.u.freq.e = 1;
7287 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
7288
7289 /* Add quality statistics */
7290 iwe.cmd = IWEVQUAL;
7291 if (ai->rssi) {
7292 iwe.u.qual.level = 0x100 - bss->dBm;
7293 iwe.u.qual.qual = airo_dbm_to_pct( ai->rssi, bss->dBm );
7294 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7295 | IW_QUAL_LEVEL_UPDATED
7296 | IW_QUAL_DBM;
7297 } else {
7298 iwe.u.qual.level = (bss->dBm + 321) / 2;
7299 iwe.u.qual.qual = 0;
7300 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7301 | IW_QUAL_LEVEL_UPDATED
7302 | IW_QUAL_DBM;
7303 }
7304 iwe.u.qual.noise = ai->wstats.qual.noise;
7305 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
7306
7307 /* Add encryption capability */
7308 iwe.cmd = SIOCGIWENCODE;
7309 if(capabilities & CAP_PRIVACY)
7310 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7311 else
7312 iwe.u.data.flags = IW_ENCODE_DISABLED;
7313 iwe.u.data.length = 0;
7314 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7315
7316 /* Rate : stuffing multiple values in a single event require a bit
7317 * more of magic - Jean II */
7318 current_val = current_ev + IW_EV_LCP_LEN;
7319
7320 iwe.cmd = SIOCGIWRATE;
7321 /* Those two flags are ignored... */
7322 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7323 /* Max 8 values */
7324 for(i = 0 ; i < 8 ; i++) {
7325 /* NULL terminated */
7326 if(bss->rates[i] == 0)
7327 break;
7328 /* Bit rate given in 500 kb/s units (+ 0x80) */
7329 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7330 /* Add new value to event */
7331 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
7332 }
7333 /* Check if we added any event */
7334 if((current_val - current_ev) > IW_EV_LCP_LEN)
7335 current_ev = current_val;
7336
7337 /* Beacon interval */
7338 buf = kmalloc(30, GFP_KERNEL);
7339 if (buf) {
7340 iwe.cmd = IWEVCUSTOM;
7341 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7342 iwe.u.data.length = strlen(buf);
7343 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, buf);
7344 kfree(buf);
7345 }
7346
7347 /* Put WPA/RSN Information Elements into the event stream */
7348 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7349 unsigned int num_null_ies = 0;
7350 u16 length = sizeof (bss->extra.iep);
7351 struct ieee80211_info_element *info_element =
7352 (struct ieee80211_info_element *) &bss->extra.iep;
7353
7354 while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) {
7355 if (sizeof(*info_element) + info_element->len > length) {
7356 /* Invalid element, don't continue parsing IE */
7357 break;
7358 }
7359
7360 switch (info_element->id) {
7361 case MFIE_TYPE_SSID:
7362 /* Two zero-length SSID elements
7363 * mean we're done parsing elements */
7364 if (!info_element->len)
7365 num_null_ies++;
7366 break;
7367
7368 case MFIE_TYPE_GENERIC:
7369 if (info_element->len >= 4 &&
7370 info_element->data[0] == 0x00 &&
7371 info_element->data[1] == 0x50 &&
7372 info_element->data[2] == 0xf2 &&
7373 info_element->data[3] == 0x01) {
7374 iwe.cmd = IWEVGENIE;
7375 iwe.u.data.length = min(info_element->len + 2,
7376 MAX_WPA_IE_LEN);
7377 current_ev = iwe_stream_add_point(current_ev, end_buf,
7378 &iwe, (char *) info_element);
7379 }
7380 break;
7381
7382 case MFIE_TYPE_RSN:
7383 iwe.cmd = IWEVGENIE;
7384 iwe.u.data.length = min(info_element->len + 2,
7385 MAX_WPA_IE_LEN);
7386 current_ev = iwe_stream_add_point(current_ev, end_buf,
7387 &iwe, (char *) info_element);
7388 break;
7389
7390 default:
7391 break;
7392 }
7393
7394 length -= sizeof(*info_element) + info_element->len;
7395 info_element =
7396 (struct ieee80211_info_element *)&info_element->
7397 data[info_element->len];
7398 }
7399 }
7400 return current_ev;
7401 }
7402
7403 /*------------------------------------------------------------------*/
7404 /*
7405 * Wireless Handler : Read Scan Results
7406 */
7407 static int airo_get_scan(struct net_device *dev,
7408 struct iw_request_info *info,
7409 struct iw_point *dwrq,
7410 char *extra)
7411 {
7412 struct airo_info *ai = dev->priv;
7413 BSSListElement *net;
7414 int err = 0;
7415 char *current_ev = extra;
7416
7417 /* If a scan is in-progress, return -EAGAIN */
7418 if (ai->scan_timeout > 0)
7419 return -EAGAIN;
7420
7421 if (down_interruptible(&ai->sem))
7422 return -EAGAIN;
7423
7424 list_for_each_entry (net, &ai->network_list, list) {
7425 /* Translate to WE format this entry */
7426 current_ev = airo_translate_scan(dev, current_ev,
7427 extra + dwrq->length,
7428 &net->bss);
7429
7430 /* Check if there is space for one more entry */
7431 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7432 /* Ask user space to try again with a bigger buffer */
7433 err = -E2BIG;
7434 goto out;
7435 }
7436 }
7437
7438 /* Length of data */
7439 dwrq->length = (current_ev - extra);
7440 dwrq->flags = 0; /* todo */
7441
7442 out:
7443 up(&ai->sem);
7444 return err;
7445 }
7446
7447 /*------------------------------------------------------------------*/
7448 /*
7449 * Commit handler : called after a bunch of SET operations
7450 */
7451 static int airo_config_commit(struct net_device *dev,
7452 struct iw_request_info *info, /* NULL */
7453 void *zwrq, /* NULL */
7454 char *extra) /* NULL */
7455 {
7456 struct airo_info *local = dev->priv;
7457 Resp rsp;
7458
7459 if (!test_bit (FLAG_COMMIT, &local->flags))
7460 return 0;
7461
7462 /* Some of the "SET" function may have modified some of the
7463 * parameters. It's now time to commit them in the card */
7464 disable_MAC(local, 1);
7465 if (test_bit (FLAG_RESET, &local->flags)) {
7466 APListRid APList_rid;
7467 SsidRid SSID_rid;
7468
7469 readAPListRid(local, &APList_rid);
7470 readSsidRid(local, &SSID_rid);
7471 if (test_bit(FLAG_MPI,&local->flags))
7472 setup_card(local, dev->dev_addr, 1 );
7473 else
7474 reset_airo_card(dev);
7475 disable_MAC(local, 1);
7476 writeSsidRid(local, &SSID_rid, 1);
7477 writeAPListRid(local, &APList_rid, 1);
7478 }
7479 if (down_interruptible(&local->sem))
7480 return -ERESTARTSYS;
7481 writeConfigRid(local, 0);
7482 enable_MAC(local, &rsp, 0);
7483 if (test_bit (FLAG_RESET, &local->flags))
7484 airo_set_promisc(local);
7485 else
7486 up(&local->sem);
7487
7488 return 0;
7489 }
7490
7491 /*------------------------------------------------------------------*/
7492 /*
7493 * Structures to export the Wireless Handlers
7494 */
7495
7496 static const struct iw_priv_args airo_private_args[] = {
7497 /*{ cmd, set_args, get_args, name } */
7498 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7499 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7500 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7501 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7502 };
7503
7504 static const iw_handler airo_handler[] =
7505 {
7506 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7507 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7508 (iw_handler) NULL, /* SIOCSIWNWID */
7509 (iw_handler) NULL, /* SIOCGIWNWID */
7510 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7511 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7512 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7513 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7514 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7515 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7516 (iw_handler) NULL, /* SIOCSIWRANGE */
7517 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7518 (iw_handler) NULL, /* SIOCSIWPRIV */
7519 (iw_handler) NULL, /* SIOCGIWPRIV */
7520 (iw_handler) NULL, /* SIOCSIWSTATS */
7521 (iw_handler) NULL, /* SIOCGIWSTATS */
7522 iw_handler_set_spy, /* SIOCSIWSPY */
7523 iw_handler_get_spy, /* SIOCGIWSPY */
7524 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7525 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7526 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7527 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7528 (iw_handler) NULL, /* -- hole -- */
7529 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7530 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7531 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7532 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7533 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7534 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7535 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7536 (iw_handler) NULL, /* -- hole -- */
7537 (iw_handler) NULL, /* -- hole -- */
7538 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7539 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7540 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7541 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7542 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7543 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7544 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7545 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7546 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7547 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7548 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7549 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7550 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7551 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7552 (iw_handler) NULL, /* -- hole -- */
7553 (iw_handler) NULL, /* -- hole -- */
7554 (iw_handler) NULL, /* SIOCSIWGENIE */
7555 (iw_handler) NULL, /* SIOCGIWGENIE */
7556 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7557 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7558 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7559 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7560 (iw_handler) NULL, /* SIOCSIWPMKSA */
7561 };
7562
7563 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7564 * We want to force the use of the ioctl code, because those can't be
7565 * won't work the iw_handler code (because they simultaneously read
7566 * and write data and iw_handler can't do that).
7567 * Note that it's perfectly legal to read/write on a single ioctl command,
7568 * you just can't use iwpriv and need to force it via the ioctl handler.
7569 * Jean II */
7570 static const iw_handler airo_private_handler[] =
7571 {
7572 NULL, /* SIOCIWFIRSTPRIV */
7573 };
7574
7575 static const struct iw_handler_def airo_handler_def =
7576 {
7577 .num_standard = sizeof(airo_handler)/sizeof(iw_handler),
7578 .num_private = sizeof(airo_private_handler)/sizeof(iw_handler),
7579 .num_private_args = sizeof(airo_private_args)/sizeof(struct iw_priv_args),
7580 .standard = airo_handler,
7581 .private = airo_private_handler,
7582 .private_args = airo_private_args,
7583 .get_wireless_stats = airo_get_wireless_stats,
7584 };
7585
7586 /*
7587 * This defines the configuration part of the Wireless Extensions
7588 * Note : irq and spinlock protection will occur in the subroutines
7589 *
7590 * TODO :
7591 * o Check input value more carefully and fill correct values in range
7592 * o Test and shakeout the bugs (if any)
7593 *
7594 * Jean II
7595 *
7596 * Javier Achirica did a great job of merging code from the unnamed CISCO
7597 * developer that added support for flashing the card.
7598 */
7599 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7600 {
7601 int rc = 0;
7602 struct airo_info *ai = (struct airo_info *)dev->priv;
7603
7604 if (ai->power.event)
7605 return 0;
7606
7607 switch (cmd) {
7608 #ifdef CISCO_EXT
7609 case AIROIDIFC:
7610 #ifdef AIROOLDIDIFC
7611 case AIROOLDIDIFC:
7612 #endif
7613 {
7614 int val = AIROMAGIC;
7615 aironet_ioctl com;
7616 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7617 rc = -EFAULT;
7618 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7619 rc = -EFAULT;
7620 }
7621 break;
7622
7623 case AIROIOCTL:
7624 #ifdef AIROOLDIOCTL
7625 case AIROOLDIOCTL:
7626 #endif
7627 /* Get the command struct and hand it off for evaluation by
7628 * the proper subfunction
7629 */
7630 {
7631 aironet_ioctl com;
7632 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7633 rc = -EFAULT;
7634 break;
7635 }
7636
7637 /* Separate R/W functions bracket legality here
7638 */
7639 if ( com.command == AIRORSWVERSION ) {
7640 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7641 rc = -EFAULT;
7642 else
7643 rc = 0;
7644 }
7645 else if ( com.command <= AIRORRID)
7646 rc = readrids(dev,&com);
7647 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7648 rc = writerids(dev,&com);
7649 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7650 rc = flashcard(dev,&com);
7651 else
7652 rc = -EINVAL; /* Bad command in ioctl */
7653 }
7654 break;
7655 #endif /* CISCO_EXT */
7656
7657 // All other calls are currently unsupported
7658 default:
7659 rc = -EOPNOTSUPP;
7660 }
7661 return rc;
7662 }
7663
7664 /*
7665 * Get the Wireless stats out of the driver
7666 * Note : irq and spinlock protection will occur in the subroutines
7667 *
7668 * TODO :
7669 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7670 *
7671 * Jean
7672 */
7673 static void airo_read_wireless_stats(struct airo_info *local)
7674 {
7675 StatusRid status_rid;
7676 StatsRid stats_rid;
7677 CapabilityRid cap_rid;
7678 u32 *vals = stats_rid.vals;
7679
7680 /* Get stats out of the card */
7681 clear_bit(JOB_WSTATS, &local->jobs);
7682 if (local->power.event) {
7683 up(&local->sem);
7684 return;
7685 }
7686 readCapabilityRid(local, &cap_rid, 0);
7687 readStatusRid(local, &status_rid, 0);
7688 readStatsRid(local, &stats_rid, RID_STATS, 0);
7689 up(&local->sem);
7690
7691 /* The status */
7692 local->wstats.status = status_rid.mode;
7693
7694 /* Signal quality and co */
7695 if (local->rssi) {
7696 local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
7697 /* normalizedSignalStrength appears to be a percentage */
7698 local->wstats.qual.qual = status_rid.normalizedSignalStrength;
7699 } else {
7700 local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
7701 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7702 }
7703 if (status_rid.len >= 124) {
7704 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7705 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7706 } else {
7707 local->wstats.qual.noise = 0;
7708 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7709 }
7710
7711 /* Packets discarded in the wireless adapter due to wireless
7712 * specific problems */
7713 local->wstats.discard.nwid = vals[56] + vals[57] + vals[58];/* SSID Mismatch */
7714 local->wstats.discard.code = vals[6];/* RxWepErr */
7715 local->wstats.discard.fragment = vals[30];
7716 local->wstats.discard.retries = vals[10];
7717 local->wstats.discard.misc = vals[1] + vals[32];
7718 local->wstats.miss.beacon = vals[34];
7719 }
7720
7721 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7722 {
7723 struct airo_info *local = dev->priv;
7724
7725 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7726 /* Get stats out of the card if available */
7727 if (down_trylock(&local->sem) != 0) {
7728 set_bit(JOB_WSTATS, &local->jobs);
7729 wake_up_interruptible(&local->thr_wait);
7730 } else
7731 airo_read_wireless_stats(local);
7732 }
7733
7734 return &local->wstats;
7735 }
7736
7737 #ifdef CISCO_EXT
7738 /*
7739 * This just translates from driver IOCTL codes to the command codes to
7740 * feed to the radio's host interface. Things can be added/deleted
7741 * as needed. This represents the READ side of control I/O to
7742 * the card
7743 */
7744 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7745 unsigned short ridcode;
7746 unsigned char *iobuf;
7747 int len;
7748 struct airo_info *ai = dev->priv;
7749 Resp rsp;
7750
7751 if (test_bit(FLAG_FLASHING, &ai->flags))
7752 return -EIO;
7753
7754 switch(comp->command)
7755 {
7756 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7757 case AIROGCFG: ridcode = RID_CONFIG;
7758 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7759 disable_MAC (ai, 1);
7760 writeConfigRid (ai, 1);
7761 enable_MAC (ai, &rsp, 1);
7762 }
7763 break;
7764 case AIROGSLIST: ridcode = RID_SSID; break;
7765 case AIROGVLIST: ridcode = RID_APLIST; break;
7766 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7767 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7768 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7769 /* Only super-user can read WEP keys */
7770 if (!capable(CAP_NET_ADMIN))
7771 return -EPERM;
7772 break;
7773 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7774 /* Only super-user can read WEP keys */
7775 if (!capable(CAP_NET_ADMIN))
7776 return -EPERM;
7777 break;
7778 case AIROGSTAT: ridcode = RID_STATUS; break;
7779 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7780 case AIROGSTATSC32: ridcode = RID_STATS; break;
7781 case AIROGMICSTATS:
7782 if (copy_to_user(comp->data, &ai->micstats,
7783 min((int)comp->len,(int)sizeof(ai->micstats))))
7784 return -EFAULT;
7785 return 0;
7786 case AIRORRID: ridcode = comp->ridnum; break;
7787 default:
7788 return -EINVAL;
7789 break;
7790 }
7791
7792 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7793 return -ENOMEM;
7794
7795 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7796 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7797 * then return it to the user
7798 * 9/22/2000 Honor user given length
7799 */
7800 len = comp->len;
7801
7802 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7803 kfree (iobuf);
7804 return -EFAULT;
7805 }
7806 kfree (iobuf);
7807 return 0;
7808 }
7809
7810 /*
7811 * Danger Will Robinson write the rids here
7812 */
7813
7814 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7815 struct airo_info *ai = dev->priv;
7816 int ridcode;
7817 int enabled;
7818 Resp rsp;
7819 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7820 unsigned char *iobuf;
7821
7822 /* Only super-user can write RIDs */
7823 if (!capable(CAP_NET_ADMIN))
7824 return -EPERM;
7825
7826 if (test_bit(FLAG_FLASHING, &ai->flags))
7827 return -EIO;
7828
7829 ridcode = 0;
7830 writer = do_writerid;
7831
7832 switch(comp->command)
7833 {
7834 case AIROPSIDS: ridcode = RID_SSID; break;
7835 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7836 case AIROPAPLIST: ridcode = RID_APLIST; break;
7837 case AIROPCFG: ai->config.len = 0;
7838 clear_bit(FLAG_COMMIT, &ai->flags);
7839 ridcode = RID_CONFIG; break;
7840 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7841 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7842 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7843 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7844 break;
7845 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7846 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7847
7848 /* this is not really a rid but a command given to the card
7849 * same with MAC off
7850 */
7851 case AIROPMACON:
7852 if (enable_MAC(ai, &rsp, 1) != 0)
7853 return -EIO;
7854 return 0;
7855
7856 /*
7857 * Evidently this code in the airo driver does not get a symbol
7858 * as disable_MAC. it's probably so short the compiler does not gen one.
7859 */
7860 case AIROPMACOFF:
7861 disable_MAC(ai, 1);
7862 return 0;
7863
7864 /* This command merely clears the counts does not actually store any data
7865 * only reads rid. But as it changes the cards state, I put it in the
7866 * writerid routines.
7867 */
7868 case AIROPSTCLR:
7869 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7870 return -ENOMEM;
7871
7872 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7873
7874 enabled = ai->micstats.enabled;
7875 memset(&ai->micstats,0,sizeof(ai->micstats));
7876 ai->micstats.enabled = enabled;
7877
7878 if (copy_to_user(comp->data, iobuf,
7879 min((int)comp->len, (int)RIDSIZE))) {
7880 kfree (iobuf);
7881 return -EFAULT;
7882 }
7883 kfree (iobuf);
7884 return 0;
7885
7886 default:
7887 return -EOPNOTSUPP; /* Blarg! */
7888 }
7889 if(comp->len > RIDSIZE)
7890 return -EINVAL;
7891
7892 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7893 return -ENOMEM;
7894
7895 if (copy_from_user(iobuf,comp->data,comp->len)) {
7896 kfree (iobuf);
7897 return -EFAULT;
7898 }
7899
7900 if (comp->command == AIROPCFG) {
7901 ConfigRid *cfg = (ConfigRid *)iobuf;
7902
7903 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7904 cfg->opmode |= MODE_MIC;
7905
7906 if ((cfg->opmode & 0xFF) == MODE_STA_IBSS)
7907 set_bit (FLAG_ADHOC, &ai->flags);
7908 else
7909 clear_bit (FLAG_ADHOC, &ai->flags);
7910 }
7911
7912 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7913 kfree (iobuf);
7914 return -EIO;
7915 }
7916 kfree (iobuf);
7917 return 0;
7918 }
7919
7920 /*****************************************************************************
7921 * Ancillary flash / mod functions much black magic lurkes here *
7922 *****************************************************************************
7923 */
7924
7925 /*
7926 * Flash command switch table
7927 */
7928
7929 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7930 int z;
7931
7932 /* Only super-user can modify flash */
7933 if (!capable(CAP_NET_ADMIN))
7934 return -EPERM;
7935
7936 switch(comp->command)
7937 {
7938 case AIROFLSHRST:
7939 return cmdreset((struct airo_info *)dev->priv);
7940
7941 case AIROFLSHSTFL:
7942 if (!((struct airo_info *)dev->priv)->flash &&
7943 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7944 return -ENOMEM;
7945 return setflashmode((struct airo_info *)dev->priv);
7946
7947 case AIROFLSHGCHR: /* Get char from aux */
7948 if(comp->len != sizeof(int))
7949 return -EINVAL;
7950 if (copy_from_user(&z,comp->data,comp->len))
7951 return -EFAULT;
7952 return flashgchar((struct airo_info *)dev->priv,z,8000);
7953
7954 case AIROFLSHPCHR: /* Send char to card. */
7955 if(comp->len != sizeof(int))
7956 return -EINVAL;
7957 if (copy_from_user(&z,comp->data,comp->len))
7958 return -EFAULT;
7959 return flashpchar((struct airo_info *)dev->priv,z,8000);
7960
7961 case AIROFLPUTBUF: /* Send 32k to card */
7962 if (!((struct airo_info *)dev->priv)->flash)
7963 return -ENOMEM;
7964 if(comp->len > FLASHSIZE)
7965 return -EINVAL;
7966 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7967 return -EFAULT;
7968
7969 flashputbuf((struct airo_info *)dev->priv);
7970 return 0;
7971
7972 case AIRORESTART:
7973 if(flashrestart((struct airo_info *)dev->priv,dev))
7974 return -EIO;
7975 return 0;
7976 }
7977 return -EINVAL;
7978 }
7979
7980 #define FLASH_COMMAND 0x7e7e
7981
7982 /*
7983 * STEP 1)
7984 * Disable MAC and do soft reset on
7985 * card.
7986 */
7987
7988 static int cmdreset(struct airo_info *ai) {
7989 disable_MAC(ai, 1);
7990
7991 if(!waitbusy (ai)){
7992 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
7993 return -EBUSY;
7994 }
7995
7996 OUT4500(ai,COMMAND,CMD_SOFTRESET);
7997
7998 ssleep(1); /* WAS 600 12/7/00 */
7999
8000 if(!waitbusy (ai)){
8001 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8002 return -EBUSY;
8003 }
8004 return 0;
8005 }
8006
8007 /* STEP 2)
8008 * Put the card in legendary flash
8009 * mode
8010 */
8011
8012 static int setflashmode (struct airo_info *ai) {
8013 set_bit (FLAG_FLASHING, &ai->flags);
8014
8015 OUT4500(ai, SWS0, FLASH_COMMAND);
8016 OUT4500(ai, SWS1, FLASH_COMMAND);
8017 if (probe) {
8018 OUT4500(ai, SWS0, FLASH_COMMAND);
8019 OUT4500(ai, COMMAND,0x10);
8020 } else {
8021 OUT4500(ai, SWS2, FLASH_COMMAND);
8022 OUT4500(ai, SWS3, FLASH_COMMAND);
8023 OUT4500(ai, COMMAND,0);
8024 }
8025 msleep(500); /* 500ms delay */
8026
8027 if(!waitbusy(ai)) {
8028 clear_bit (FLAG_FLASHING, &ai->flags);
8029 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8030 return -EIO;
8031 }
8032 return 0;
8033 }
8034
8035 /* Put character to SWS0 wait for dwelltime
8036 * x 50us for echo .
8037 */
8038
8039 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8040 int echo;
8041 int waittime;
8042
8043 byte |= 0x8000;
8044
8045 if(dwelltime == 0 )
8046 dwelltime = 200;
8047
8048 waittime=dwelltime;
8049
8050 /* Wait for busy bit d15 to go false indicating buffer empty */
8051 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8052 udelay (50);
8053 waittime -= 50;
8054 }
8055
8056 /* timeout for busy clear wait */
8057 if(waittime <= 0 ){
8058 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8059 return -EBUSY;
8060 }
8061
8062 /* Port is clear now write byte and wait for it to echo back */
8063 do {
8064 OUT4500(ai,SWS0,byte);
8065 udelay(50);
8066 dwelltime -= 50;
8067 echo = IN4500(ai,SWS1);
8068 } while (dwelltime >= 0 && echo != byte);
8069
8070 OUT4500(ai,SWS1,0);
8071
8072 return (echo == byte) ? 0 : -EIO;
8073 }
8074
8075 /*
8076 * Get a character from the card matching matchbyte
8077 * Step 3)
8078 */
8079 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8080 int rchar;
8081 unsigned char rbyte=0;
8082
8083 do {
8084 rchar = IN4500(ai,SWS1);
8085
8086 if(dwelltime && !(0x8000 & rchar)){
8087 dwelltime -= 10;
8088 mdelay(10);
8089 continue;
8090 }
8091 rbyte = 0xff & rchar;
8092
8093 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8094 OUT4500(ai,SWS1,0);
8095 return 0;
8096 }
8097 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8098 break;
8099 OUT4500(ai,SWS1,0);
8100
8101 }while(dwelltime > 0);
8102 return -EIO;
8103 }
8104
8105 /*
8106 * Transfer 32k of firmware data from user buffer to our buffer and
8107 * send to the card
8108 */
8109
8110 static int flashputbuf(struct airo_info *ai){
8111 int nwords;
8112
8113 /* Write stuff */
8114 if (test_bit(FLAG_MPI,&ai->flags))
8115 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8116 else {
8117 OUT4500(ai,AUXPAGE,0x100);
8118 OUT4500(ai,AUXOFF,0);
8119
8120 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8121 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8122 }
8123 }
8124 OUT4500(ai,SWS0,0x8000);
8125
8126 return 0;
8127 }
8128
8129 /*
8130 *
8131 */
8132 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8133 int i,status;
8134
8135 ssleep(1); /* Added 12/7/00 */
8136 clear_bit (FLAG_FLASHING, &ai->flags);
8137 if (test_bit(FLAG_MPI, &ai->flags)) {
8138 status = mpi_init_descriptors(ai);
8139 if (status != SUCCESS)
8140 return status;
8141 }
8142 status = setup_card(ai, dev->dev_addr, 1);
8143
8144 if (!test_bit(FLAG_MPI,&ai->flags))
8145 for( i = 0; i < MAX_FIDS; i++ ) {
8146 ai->fids[i] = transmit_allocate
8147 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8148 }
8149
8150 ssleep(1); /* Added 12/7/00 */
8151 return status;
8152 }
8153 #endif /* CISCO_EXT */
8154
8155 /*
8156 This program is free software; you can redistribute it and/or
8157 modify it under the terms of the GNU General Public License
8158 as published by the Free Software Foundation; either version 2
8159 of the License, or (at your option) any later version.
8160
8161 This program is distributed in the hope that it will be useful,
8162 but WITHOUT ANY WARRANTY; without even the implied warranty of
8163 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8164 GNU General Public License for more details.
8165
8166 In addition:
8167
8168 Redistribution and use in source and binary forms, with or without
8169 modification, are permitted provided that the following conditions
8170 are met:
8171
8172 1. Redistributions of source code must retain the above copyright
8173 notice, this list of conditions and the following disclaimer.
8174 2. Redistributions in binary form must reproduce the above copyright
8175 notice, this list of conditions and the following disclaimer in the
8176 documentation and/or other materials provided with the distribution.
8177 3. The name of the author may not be used to endorse or promote
8178 products derived from this software without specific prior written
8179 permission.
8180
8181 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8182 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8183 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8184 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8185 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8186 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8187 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8188 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8189 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8190 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8191 POSSIBILITY OF SUCH DAMAGE.
8192 */
8193
8194 module_init(airo_init_module);
8195 module_exit(airo_cleanup_module);
Tomato firmware and modifications.