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Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-serial
[deliverable/linux.git] / drivers / net / wireless / airo.c
1 /*======================================================================
2
3 Aironet driver for 4500 and 4800 series cards
4
5 This code is released under both the GPL version 2 and BSD licenses.
6 Either license may be used. The respective licenses are found at
7 the end of this file.
8
9 This code was developed by Benjamin Reed <breed@users.sourceforge.net>
10 including portions of which come from the Aironet PC4500
11 Developer's Reference Manual and used with permission. Copyright
12 (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use
13 code in the Developer's manual was granted for this driver by
14 Aironet. Major code contributions were received from Javier Achirica
15 <achirica@users.sourceforge.net> and Jean Tourrilhes <jt@hpl.hp.com>.
16 Code was also integrated from the Cisco Aironet driver for Linux.
17 Support for MPI350 cards was added by Fabrice Bellet
18 <fabrice@bellet.info>.
19
20 ======================================================================*/
21
22 #include <linux/err.h>
23 #include <linux/init.h>
24
25 #include <linux/kernel.h>
26 #include <linux/module.h>
27 #include <linux/proc_fs.h>
28 #include <linux/smp_lock.h>
29
30 #include <linux/sched.h>
31 #include <linux/ptrace.h>
32 #include <linux/slab.h>
33 #include <linux/string.h>
34 #include <linux/timer.h>
35 #include <linux/interrupt.h>
36 #include <linux/in.h>
37 #include <linux/bitops.h>
38 #include <linux/scatterlist.h>
39 #include <linux/crypto.h>
40 #include <asm/io.h>
41 #include <asm/system.h>
42
43 #include <linux/netdevice.h>
44 #include <linux/etherdevice.h>
45 #include <linux/skbuff.h>
46 #include <linux/if_arp.h>
47 #include <linux/ioport.h>
48 #include <linux/pci.h>
49 #include <asm/uaccess.h>
50 #include <net/ieee80211.h>
51 #include <linux/kthread.h>
52
53 #include "airo.h"
54
55 #ifdef CONFIG_PCI
56 static struct pci_device_id card_ids[] = {
57 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
58 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
59 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
60 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
61 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
62 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
63 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0, }
65 };
66 MODULE_DEVICE_TABLE(pci, card_ids);
67
68 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
69 static void airo_pci_remove(struct pci_dev *);
70 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
71 static int airo_pci_resume(struct pci_dev *pdev);
72
73 static struct pci_driver airo_driver = {
74 .name = "airo",
75 .id_table = card_ids,
76 .probe = airo_pci_probe,
77 .remove = __devexit_p(airo_pci_remove),
78 .suspend = airo_pci_suspend,
79 .resume = airo_pci_resume,
80 };
81 #endif /* CONFIG_PCI */
82
83 /* Include Wireless Extension definition and check version - Jean II */
84 #include <linux/wireless.h>
85 #define WIRELESS_SPY // enable iwspy support
86 #include <net/iw_handler.h> // New driver API
87
88 #define CISCO_EXT // enable Cisco extensions
89 #ifdef CISCO_EXT
90 #include <linux/delay.h>
91 #endif
92
93 /* Hack to do some power saving */
94 #define POWER_ON_DOWN
95
96 /* As you can see this list is HUGH!
97 I really don't know what a lot of these counts are about, but they
98 are all here for completeness. If the IGNLABEL macro is put in
99 infront of the label, that statistic will not be included in the list
100 of statistics in the /proc filesystem */
101
102 #define IGNLABEL(comment) NULL
103 static char *statsLabels[] = {
104 "RxOverrun",
105 IGNLABEL("RxPlcpCrcErr"),
106 IGNLABEL("RxPlcpFormatErr"),
107 IGNLABEL("RxPlcpLengthErr"),
108 "RxMacCrcErr",
109 "RxMacCrcOk",
110 "RxWepErr",
111 "RxWepOk",
112 "RetryLong",
113 "RetryShort",
114 "MaxRetries",
115 "NoAck",
116 "NoCts",
117 "RxAck",
118 "RxCts",
119 "TxAck",
120 "TxRts",
121 "TxCts",
122 "TxMc",
123 "TxBc",
124 "TxUcFrags",
125 "TxUcPackets",
126 "TxBeacon",
127 "RxBeacon",
128 "TxSinColl",
129 "TxMulColl",
130 "DefersNo",
131 "DefersProt",
132 "DefersEngy",
133 "DupFram",
134 "RxFragDisc",
135 "TxAged",
136 "RxAged",
137 "LostSync-MaxRetry",
138 "LostSync-MissedBeacons",
139 "LostSync-ArlExceeded",
140 "LostSync-Deauth",
141 "LostSync-Disassoced",
142 "LostSync-TsfTiming",
143 "HostTxMc",
144 "HostTxBc",
145 "HostTxUc",
146 "HostTxFail",
147 "HostRxMc",
148 "HostRxBc",
149 "HostRxUc",
150 "HostRxDiscard",
151 IGNLABEL("HmacTxMc"),
152 IGNLABEL("HmacTxBc"),
153 IGNLABEL("HmacTxUc"),
154 IGNLABEL("HmacTxFail"),
155 IGNLABEL("HmacRxMc"),
156 IGNLABEL("HmacRxBc"),
157 IGNLABEL("HmacRxUc"),
158 IGNLABEL("HmacRxDiscard"),
159 IGNLABEL("HmacRxAccepted"),
160 "SsidMismatch",
161 "ApMismatch",
162 "RatesMismatch",
163 "AuthReject",
164 "AuthTimeout",
165 "AssocReject",
166 "AssocTimeout",
167 IGNLABEL("ReasonOutsideTable"),
168 IGNLABEL("ReasonStatus1"),
169 IGNLABEL("ReasonStatus2"),
170 IGNLABEL("ReasonStatus3"),
171 IGNLABEL("ReasonStatus4"),
172 IGNLABEL("ReasonStatus5"),
173 IGNLABEL("ReasonStatus6"),
174 IGNLABEL("ReasonStatus7"),
175 IGNLABEL("ReasonStatus8"),
176 IGNLABEL("ReasonStatus9"),
177 IGNLABEL("ReasonStatus10"),
178 IGNLABEL("ReasonStatus11"),
179 IGNLABEL("ReasonStatus12"),
180 IGNLABEL("ReasonStatus13"),
181 IGNLABEL("ReasonStatus14"),
182 IGNLABEL("ReasonStatus15"),
183 IGNLABEL("ReasonStatus16"),
184 IGNLABEL("ReasonStatus17"),
185 IGNLABEL("ReasonStatus18"),
186 IGNLABEL("ReasonStatus19"),
187 "RxMan",
188 "TxMan",
189 "RxRefresh",
190 "TxRefresh",
191 "RxPoll",
192 "TxPoll",
193 "HostRetries",
194 "LostSync-HostReq",
195 "HostTxBytes",
196 "HostRxBytes",
197 "ElapsedUsec",
198 "ElapsedSec",
199 "LostSyncBetterAP",
200 "PrivacyMismatch",
201 "Jammed",
202 "DiscRxNotWepped",
203 "PhyEleMismatch",
204 (char*)-1 };
205 #ifndef RUN_AT
206 #define RUN_AT(x) (jiffies+(x))
207 #endif
208
209
210 /* These variables are for insmod, since it seems that the rates
211 can only be set in setup_card. Rates should be a comma separated
212 (no spaces) list of rates (up to 8). */
213
214 static int rates[8];
215 static int basic_rate;
216 static char *ssids[3];
217
218 static int io[4];
219 static int irq[4];
220
221 static
222 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
223 0 means no limit. For old cards this was 4 */
224
225 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
226 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
227 the bap, needed on some older cards and buses. */
228 static int adhoc;
229
230 static int probe = 1;
231
232 static int proc_uid /* = 0 */;
233
234 static int proc_gid /* = 0 */;
235
236 static int airo_perm = 0555;
237
238 static int proc_perm = 0644;
239
240 MODULE_AUTHOR("Benjamin Reed");
241 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
242 cards. Direct support for ISA/PCI/MPI cards and support \
243 for PCMCIA when used with airo_cs.");
244 MODULE_LICENSE("Dual BSD/GPL");
245 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
246 module_param_array(io, int, NULL, 0);
247 module_param_array(irq, int, NULL, 0);
248 module_param(basic_rate, int, 0);
249 module_param_array(rates, int, NULL, 0);
250 module_param_array(ssids, charp, NULL, 0);
251 module_param(auto_wep, int, 0);
252 MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
253 the authentication options until an association is made. The value of \
254 auto_wep is number of the wep keys to check. A value of 2 will try using \
255 the key at index 0 and index 1.");
256 module_param(aux_bap, int, 0);
257 MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
258 than seems to work better for older cards with some older buses. Before \
259 switching it checks that the switch is needed.");
260 module_param(maxencrypt, int, 0);
261 MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
262 encryption. Units are in 512kbs. Zero (default) means there is no limit. \
263 Older cards used to be limited to 2mbs (4).");
264 module_param(adhoc, int, 0);
265 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
266 module_param(probe, int, 0);
267 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
268
269 module_param(proc_uid, int, 0);
270 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
271 module_param(proc_gid, int, 0);
272 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
273 module_param(airo_perm, int, 0);
274 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
275 module_param(proc_perm, int, 0);
276 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
277
278 /* This is a kind of sloppy hack to get this information to OUT4500 and
279 IN4500. I would be extremely interested in the situation where this
280 doesn't work though!!! */
281 static int do8bitIO = 0;
282
283 /* Return codes */
284 #define SUCCESS 0
285 #define ERROR -1
286 #define NO_PACKET -2
287
288 /* Commands */
289 #define NOP2 0x0000
290 #define MAC_ENABLE 0x0001
291 #define MAC_DISABLE 0x0002
292 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
293 #define CMD_SOFTRESET 0x0004
294 #define HOSTSLEEP 0x0005
295 #define CMD_MAGIC_PKT 0x0006
296 #define CMD_SETWAKEMASK 0x0007
297 #define CMD_READCFG 0x0008
298 #define CMD_SETMODE 0x0009
299 #define CMD_ALLOCATETX 0x000a
300 #define CMD_TRANSMIT 0x000b
301 #define CMD_DEALLOCATETX 0x000c
302 #define NOP 0x0010
303 #define CMD_WORKAROUND 0x0011
304 #define CMD_ALLOCATEAUX 0x0020
305 #define CMD_ACCESS 0x0021
306 #define CMD_PCIBAP 0x0022
307 #define CMD_PCIAUX 0x0023
308 #define CMD_ALLOCBUF 0x0028
309 #define CMD_GETTLV 0x0029
310 #define CMD_PUTTLV 0x002a
311 #define CMD_DELTLV 0x002b
312 #define CMD_FINDNEXTTLV 0x002c
313 #define CMD_PSPNODES 0x0030
314 #define CMD_SETCW 0x0031
315 #define CMD_SETPCF 0x0032
316 #define CMD_SETPHYREG 0x003e
317 #define CMD_TXTEST 0x003f
318 #define MAC_ENABLETX 0x0101
319 #define CMD_LISTBSS 0x0103
320 #define CMD_SAVECFG 0x0108
321 #define CMD_ENABLEAUX 0x0111
322 #define CMD_WRITERID 0x0121
323 #define CMD_USEPSPNODES 0x0130
324 #define MAC_ENABLERX 0x0201
325
326 /* Command errors */
327 #define ERROR_QUALIF 0x00
328 #define ERROR_ILLCMD 0x01
329 #define ERROR_ILLFMT 0x02
330 #define ERROR_INVFID 0x03
331 #define ERROR_INVRID 0x04
332 #define ERROR_LARGE 0x05
333 #define ERROR_NDISABL 0x06
334 #define ERROR_ALLOCBSY 0x07
335 #define ERROR_NORD 0x0B
336 #define ERROR_NOWR 0x0C
337 #define ERROR_INVFIDTX 0x0D
338 #define ERROR_TESTACT 0x0E
339 #define ERROR_TAGNFND 0x12
340 #define ERROR_DECODE 0x20
341 #define ERROR_DESCUNAV 0x21
342 #define ERROR_BADLEN 0x22
343 #define ERROR_MODE 0x80
344 #define ERROR_HOP 0x81
345 #define ERROR_BINTER 0x82
346 #define ERROR_RXMODE 0x83
347 #define ERROR_MACADDR 0x84
348 #define ERROR_RATES 0x85
349 #define ERROR_ORDER 0x86
350 #define ERROR_SCAN 0x87
351 #define ERROR_AUTH 0x88
352 #define ERROR_PSMODE 0x89
353 #define ERROR_RTYPE 0x8A
354 #define ERROR_DIVER 0x8B
355 #define ERROR_SSID 0x8C
356 #define ERROR_APLIST 0x8D
357 #define ERROR_AUTOWAKE 0x8E
358 #define ERROR_LEAP 0x8F
359
360 /* Registers */
361 #define COMMAND 0x00
362 #define PARAM0 0x02
363 #define PARAM1 0x04
364 #define PARAM2 0x06
365 #define STATUS 0x08
366 #define RESP0 0x0a
367 #define RESP1 0x0c
368 #define RESP2 0x0e
369 #define LINKSTAT 0x10
370 #define SELECT0 0x18
371 #define OFFSET0 0x1c
372 #define RXFID 0x20
373 #define TXALLOCFID 0x22
374 #define TXCOMPLFID 0x24
375 #define DATA0 0x36
376 #define EVSTAT 0x30
377 #define EVINTEN 0x32
378 #define EVACK 0x34
379 #define SWS0 0x28
380 #define SWS1 0x2a
381 #define SWS2 0x2c
382 #define SWS3 0x2e
383 #define AUXPAGE 0x3A
384 #define AUXOFF 0x3C
385 #define AUXDATA 0x3E
386
387 #define FID_TX 1
388 #define FID_RX 2
389 /* Offset into aux memory for descriptors */
390 #define AUX_OFFSET 0x800
391 /* Size of allocated packets */
392 #define PKTSIZE 1840
393 #define RIDSIZE 2048
394 /* Size of the transmit queue */
395 #define MAXTXQ 64
396
397 /* BAP selectors */
398 #define BAP0 0 // Used for receiving packets
399 #define BAP1 2 // Used for xmiting packets and working with RIDS
400
401 /* Flags */
402 #define COMMAND_BUSY 0x8000
403
404 #define BAP_BUSY 0x8000
405 #define BAP_ERR 0x4000
406 #define BAP_DONE 0x2000
407
408 #define PROMISC 0xffff
409 #define NOPROMISC 0x0000
410
411 #define EV_CMD 0x10
412 #define EV_CLEARCOMMANDBUSY 0x4000
413 #define EV_RX 0x01
414 #define EV_TX 0x02
415 #define EV_TXEXC 0x04
416 #define EV_ALLOC 0x08
417 #define EV_LINK 0x80
418 #define EV_AWAKE 0x100
419 #define EV_TXCPY 0x400
420 #define EV_UNKNOWN 0x800
421 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
422 #define EV_AWAKEN 0x2000
423 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
424
425 #ifdef CHECK_UNKNOWN_INTS
426 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
427 #else
428 #define IGNORE_INTS (~STATUS_INTS)
429 #endif
430
431 /* RID TYPES */
432 #define RID_RW 0x20
433
434 /* The RIDs */
435 #define RID_CAPABILITIES 0xFF00
436 #define RID_APINFO 0xFF01
437 #define RID_RADIOINFO 0xFF02
438 #define RID_UNKNOWN3 0xFF03
439 #define RID_RSSI 0xFF04
440 #define RID_CONFIG 0xFF10
441 #define RID_SSID 0xFF11
442 #define RID_APLIST 0xFF12
443 #define RID_DRVNAME 0xFF13
444 #define RID_ETHERENCAP 0xFF14
445 #define RID_WEP_TEMP 0xFF15
446 #define RID_WEP_PERM 0xFF16
447 #define RID_MODULATION 0xFF17
448 #define RID_OPTIONS 0xFF18
449 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
450 #define RID_FACTORYCONFIG 0xFF21
451 #define RID_UNKNOWN22 0xFF22
452 #define RID_LEAPUSERNAME 0xFF23
453 #define RID_LEAPPASSWORD 0xFF24
454 #define RID_STATUS 0xFF50
455 #define RID_BEACON_HST 0xFF51
456 #define RID_BUSY_HST 0xFF52
457 #define RID_RETRIES_HST 0xFF53
458 #define RID_UNKNOWN54 0xFF54
459 #define RID_UNKNOWN55 0xFF55
460 #define RID_UNKNOWN56 0xFF56
461 #define RID_MIC 0xFF57
462 #define RID_STATS16 0xFF60
463 #define RID_STATS16DELTA 0xFF61
464 #define RID_STATS16DELTACLEAR 0xFF62
465 #define RID_STATS 0xFF68
466 #define RID_STATSDELTA 0xFF69
467 #define RID_STATSDELTACLEAR 0xFF6A
468 #define RID_ECHOTEST_RID 0xFF70
469 #define RID_ECHOTEST_RESULTS 0xFF71
470 #define RID_BSSLISTFIRST 0xFF72
471 #define RID_BSSLISTNEXT 0xFF73
472 #define RID_WPA_BSSLISTFIRST 0xFF74
473 #define RID_WPA_BSSLISTNEXT 0xFF75
474
475 typedef struct {
476 u16 cmd;
477 u16 parm0;
478 u16 parm1;
479 u16 parm2;
480 } Cmd;
481
482 typedef struct {
483 u16 status;
484 u16 rsp0;
485 u16 rsp1;
486 u16 rsp2;
487 } Resp;
488
489 /*
490 * Rids and endian-ness: The Rids will always be in cpu endian, since
491 * this all the patches from the big-endian guys end up doing that.
492 * so all rid access should use the read/writeXXXRid routines.
493 */
494
495 /* This is redundant for x86 archs, but it seems necessary for ARM */
496 #pragma pack(1)
497
498 /* This structure came from an email sent to me from an engineer at
499 aironet for inclusion into this driver */
500 typedef struct {
501 u16 len;
502 u16 kindex;
503 u8 mac[ETH_ALEN];
504 u16 klen;
505 u8 key[16];
506 } WepKeyRid;
507
508 /* These structures are from the Aironet's PC4500 Developers Manual */
509 typedef struct {
510 u16 len;
511 u8 ssid[32];
512 } Ssid;
513
514 typedef struct {
515 u16 len;
516 Ssid ssids[3];
517 } SsidRid;
518
519 typedef struct {
520 u16 len;
521 u16 modulation;
522 #define MOD_DEFAULT 0
523 #define MOD_CCK 1
524 #define MOD_MOK 2
525 } ModulationRid;
526
527 typedef struct {
528 u16 len; /* sizeof(ConfigRid) */
529 u16 opmode; /* operating mode */
530 #define MODE_STA_IBSS 0
531 #define MODE_STA_ESS 1
532 #define MODE_AP 2
533 #define MODE_AP_RPTR 3
534 #define MODE_ETHERNET_HOST (0<<8) /* rx payloads converted */
535 #define MODE_LLC_HOST (1<<8) /* rx payloads left as is */
536 #define MODE_AIRONET_EXTEND (1<<9) /* enable Aironet extenstions */
537 #define MODE_AP_INTERFACE (1<<10) /* enable ap interface extensions */
538 #define MODE_ANTENNA_ALIGN (1<<11) /* enable antenna alignment */
539 #define MODE_ETHER_LLC (1<<12) /* enable ethernet LLC */
540 #define MODE_LEAF_NODE (1<<13) /* enable leaf node bridge */
541 #define MODE_CF_POLLABLE (1<<14) /* enable CF pollable */
542 #define MODE_MIC (1<<15) /* enable MIC */
543 u16 rmode; /* receive mode */
544 #define RXMODE_BC_MC_ADDR 0
545 #define RXMODE_BC_ADDR 1 /* ignore multicasts */
546 #define RXMODE_ADDR 2 /* ignore multicast and broadcast */
547 #define RXMODE_RFMON 3 /* wireless monitor mode */
548 #define RXMODE_RFMON_ANYBSS 4
549 #define RXMODE_LANMON 5 /* lan style monitor -- data packets only */
550 #define RXMODE_DISABLE_802_3_HEADER (1<<8) /* disables 802.3 header on rx */
551 #define RXMODE_NORMALIZED_RSSI (1<<9) /* return normalized RSSI */
552 u16 fragThresh;
553 u16 rtsThres;
554 u8 macAddr[ETH_ALEN];
555 u8 rates[8];
556 u16 shortRetryLimit;
557 u16 longRetryLimit;
558 u16 txLifetime; /* in kusec */
559 u16 rxLifetime; /* in kusec */
560 u16 stationary;
561 u16 ordering;
562 u16 u16deviceType; /* for overriding device type */
563 u16 cfpRate;
564 u16 cfpDuration;
565 u16 _reserved1[3];
566 /*---------- Scanning/Associating ----------*/
567 u16 scanMode;
568 #define SCANMODE_ACTIVE 0
569 #define SCANMODE_PASSIVE 1
570 #define SCANMODE_AIROSCAN 2
571 u16 probeDelay; /* in kusec */
572 u16 probeEnergyTimeout; /* in kusec */
573 u16 probeResponseTimeout;
574 u16 beaconListenTimeout;
575 u16 joinNetTimeout;
576 u16 authTimeout;
577 u16 authType;
578 #define AUTH_OPEN 0x1
579 #define AUTH_ENCRYPT 0x101
580 #define AUTH_SHAREDKEY 0x102
581 #define AUTH_ALLOW_UNENCRYPTED 0x200
582 u16 associationTimeout;
583 u16 specifiedApTimeout;
584 u16 offlineScanInterval;
585 u16 offlineScanDuration;
586 u16 linkLossDelay;
587 u16 maxBeaconLostTime;
588 u16 refreshInterval;
589 #define DISABLE_REFRESH 0xFFFF
590 u16 _reserved1a[1];
591 /*---------- Power save operation ----------*/
592 u16 powerSaveMode;
593 #define POWERSAVE_CAM 0
594 #define POWERSAVE_PSP 1
595 #define POWERSAVE_PSPCAM 2
596 u16 sleepForDtims;
597 u16 listenInterval;
598 u16 fastListenInterval;
599 u16 listenDecay;
600 u16 fastListenDelay;
601 u16 _reserved2[2];
602 /*---------- Ap/Ibss config items ----------*/
603 u16 beaconPeriod;
604 u16 atimDuration;
605 u16 hopPeriod;
606 u16 channelSet;
607 u16 channel;
608 u16 dtimPeriod;
609 u16 bridgeDistance;
610 u16 radioID;
611 /*---------- Radio configuration ----------*/
612 u16 radioType;
613 #define RADIOTYPE_DEFAULT 0
614 #define RADIOTYPE_802_11 1
615 #define RADIOTYPE_LEGACY 2
616 u8 rxDiversity;
617 u8 txDiversity;
618 u16 txPower;
619 #define TXPOWER_DEFAULT 0
620 u16 rssiThreshold;
621 #define RSSI_DEFAULT 0
622 u16 modulation;
623 #define PREAMBLE_AUTO 0
624 #define PREAMBLE_LONG 1
625 #define PREAMBLE_SHORT 2
626 u16 preamble;
627 u16 homeProduct;
628 u16 radioSpecific;
629 /*---------- Aironet Extensions ----------*/
630 u8 nodeName[16];
631 u16 arlThreshold;
632 u16 arlDecay;
633 u16 arlDelay;
634 u16 _reserved4[1];
635 /*---------- Aironet Extensions ----------*/
636 u8 magicAction;
637 #define MAGIC_ACTION_STSCHG 1
638 #define MAGIC_ACTION_RESUME 2
639 #define MAGIC_IGNORE_MCAST (1<<8)
640 #define MAGIC_IGNORE_BCAST (1<<9)
641 #define MAGIC_SWITCH_TO_PSP (0<<10)
642 #define MAGIC_STAY_IN_CAM (1<<10)
643 u8 magicControl;
644 u16 autoWake;
645 } ConfigRid;
646
647 typedef struct {
648 u16 len;
649 u8 mac[ETH_ALEN];
650 u16 mode;
651 u16 errorCode;
652 u16 sigQuality;
653 u16 SSIDlen;
654 char SSID[32];
655 char apName[16];
656 u8 bssid[4][ETH_ALEN];
657 u16 beaconPeriod;
658 u16 dimPeriod;
659 u16 atimDuration;
660 u16 hopPeriod;
661 u16 channelSet;
662 u16 channel;
663 u16 hopsToBackbone;
664 u16 apTotalLoad;
665 u16 generatedLoad;
666 u16 accumulatedArl;
667 u16 signalQuality;
668 u16 currentXmitRate;
669 u16 apDevExtensions;
670 u16 normalizedSignalStrength;
671 u16 shortPreamble;
672 u8 apIP[4];
673 u8 noisePercent; /* Noise percent in last second */
674 u8 noisedBm; /* Noise dBm in last second */
675 u8 noiseAvePercent; /* Noise percent in last minute */
676 u8 noiseAvedBm; /* Noise dBm in last minute */
677 u8 noiseMaxPercent; /* Highest noise percent in last minute */
678 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
679 u16 load;
680 u8 carrier[4];
681 u16 assocStatus;
682 #define STAT_NOPACKETS 0
683 #define STAT_NOCARRIERSET 10
684 #define STAT_GOTCARRIERSET 11
685 #define STAT_WRONGSSID 20
686 #define STAT_BADCHANNEL 25
687 #define STAT_BADBITRATES 30
688 #define STAT_BADPRIVACY 35
689 #define STAT_APFOUND 40
690 #define STAT_APREJECTED 50
691 #define STAT_AUTHENTICATING 60
692 #define STAT_DEAUTHENTICATED 61
693 #define STAT_AUTHTIMEOUT 62
694 #define STAT_ASSOCIATING 70
695 #define STAT_DEASSOCIATED 71
696 #define STAT_ASSOCTIMEOUT 72
697 #define STAT_NOTAIROAP 73
698 #define STAT_ASSOCIATED 80
699 #define STAT_LEAPING 90
700 #define STAT_LEAPFAILED 91
701 #define STAT_LEAPTIMEDOUT 92
702 #define STAT_LEAPCOMPLETE 93
703 } StatusRid;
704
705 typedef struct {
706 u16 len;
707 u16 spacer;
708 u32 vals[100];
709 } StatsRid;
710
711
712 typedef struct {
713 u16 len;
714 u8 ap[4][ETH_ALEN];
715 } APListRid;
716
717 typedef struct {
718 u16 len;
719 char oui[3];
720 char zero;
721 u16 prodNum;
722 char manName[32];
723 char prodName[16];
724 char prodVer[8];
725 char factoryAddr[ETH_ALEN];
726 char aironetAddr[ETH_ALEN];
727 u16 radioType;
728 u16 country;
729 char callid[ETH_ALEN];
730 char supportedRates[8];
731 char rxDiversity;
732 char txDiversity;
733 u16 txPowerLevels[8];
734 u16 hardVer;
735 u16 hardCap;
736 u16 tempRange;
737 u16 softVer;
738 u16 softSubVer;
739 u16 interfaceVer;
740 u16 softCap;
741 u16 bootBlockVer;
742 u16 requiredHard;
743 u16 extSoftCap;
744 } CapabilityRid;
745
746
747 /* Only present on firmware >= 5.30.17 */
748 typedef struct {
749 u16 unknown[4];
750 u8 fixed[12]; /* WLAN management frame */
751 u8 iep[624];
752 } BSSListRidExtra;
753
754 typedef struct {
755 u16 len;
756 u16 index; /* First is 0 and 0xffff means end of list */
757 #define RADIO_FH 1 /* Frequency hopping radio type */
758 #define RADIO_DS 2 /* Direct sequence radio type */
759 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
760 u16 radioType;
761 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
762 u8 zero;
763 u8 ssidLen;
764 u8 ssid[32];
765 u16 dBm;
766 #define CAP_ESS (1<<0)
767 #define CAP_IBSS (1<<1)
768 #define CAP_PRIVACY (1<<4)
769 #define CAP_SHORTHDR (1<<5)
770 u16 cap;
771 u16 beaconInterval;
772 u8 rates[8]; /* Same as rates for config rid */
773 struct { /* For frequency hopping only */
774 u16 dwell;
775 u8 hopSet;
776 u8 hopPattern;
777 u8 hopIndex;
778 u8 fill;
779 } fh;
780 u16 dsChannel;
781 u16 atimWindow;
782
783 /* Only present on firmware >= 5.30.17 */
784 BSSListRidExtra extra;
785 } BSSListRid;
786
787 typedef struct {
788 BSSListRid bss;
789 struct list_head list;
790 } BSSListElement;
791
792 typedef struct {
793 u8 rssipct;
794 u8 rssidBm;
795 } tdsRssiEntry;
796
797 typedef struct {
798 u16 len;
799 tdsRssiEntry x[256];
800 } tdsRssiRid;
801
802 typedef struct {
803 u16 len;
804 u16 state;
805 u16 multicastValid;
806 u8 multicast[16];
807 u16 unicastValid;
808 u8 unicast[16];
809 } MICRid;
810
811 typedef struct {
812 u16 typelen;
813
814 union {
815 u8 snap[8];
816 struct {
817 u8 dsap;
818 u8 ssap;
819 u8 control;
820 u8 orgcode[3];
821 u8 fieldtype[2];
822 } llc;
823 } u;
824 u32 mic;
825 u32 seq;
826 } MICBuffer;
827
828 typedef struct {
829 u8 da[ETH_ALEN];
830 u8 sa[ETH_ALEN];
831 } etherHead;
832
833 #pragma pack()
834
835 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
836 #define TXCTL_TXEX (1<<2) /* report if tx fails */
837 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
838 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
839 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
840 #define TXCTL_LLC (1<<4) /* payload is llc */
841 #define TXCTL_RELEASE (0<<5) /* release after completion */
842 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
843
844 #define BUSY_FID 0x10000
845
846 #ifdef CISCO_EXT
847 #define AIROMAGIC 0xa55a
848 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
849 #ifdef SIOCIWFIRSTPRIV
850 #ifdef SIOCDEVPRIVATE
851 #define AIROOLDIOCTL SIOCDEVPRIVATE
852 #define AIROOLDIDIFC AIROOLDIOCTL + 1
853 #endif /* SIOCDEVPRIVATE */
854 #else /* SIOCIWFIRSTPRIV */
855 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
856 #endif /* SIOCIWFIRSTPRIV */
857 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
858 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
859 * only and don't return the modified struct ifreq to the application which
860 * is usually a problem. - Jean II */
861 #define AIROIOCTL SIOCIWFIRSTPRIV
862 #define AIROIDIFC AIROIOCTL + 1
863
864 /* Ioctl constants to be used in airo_ioctl.command */
865
866 #define AIROGCAP 0 // Capability rid
867 #define AIROGCFG 1 // USED A LOT
868 #define AIROGSLIST 2 // System ID list
869 #define AIROGVLIST 3 // List of specified AP's
870 #define AIROGDRVNAM 4 // NOTUSED
871 #define AIROGEHTENC 5 // NOTUSED
872 #define AIROGWEPKTMP 6
873 #define AIROGWEPKNV 7
874 #define AIROGSTAT 8
875 #define AIROGSTATSC32 9
876 #define AIROGSTATSD32 10
877 #define AIROGMICRID 11
878 #define AIROGMICSTATS 12
879 #define AIROGFLAGS 13
880 #define AIROGID 14
881 #define AIRORRID 15
882 #define AIRORSWVERSION 17
883
884 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
885
886 #define AIROPCAP AIROGSTATSD32 + 40
887 #define AIROPVLIST AIROPCAP + 1
888 #define AIROPSLIST AIROPVLIST + 1
889 #define AIROPCFG AIROPSLIST + 1
890 #define AIROPSIDS AIROPCFG + 1
891 #define AIROPAPLIST AIROPSIDS + 1
892 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
893 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
894 #define AIROPSTCLR AIROPMACOFF + 1
895 #define AIROPWEPKEY AIROPSTCLR + 1
896 #define AIROPWEPKEYNV AIROPWEPKEY + 1
897 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
898 #define AIROPLEAPUSR AIROPLEAPPWD + 1
899
900 /* Flash codes */
901
902 #define AIROFLSHRST AIROPWEPKEYNV + 40
903 #define AIROFLSHGCHR AIROFLSHRST + 1
904 #define AIROFLSHSTFL AIROFLSHGCHR + 1
905 #define AIROFLSHPCHR AIROFLSHSTFL + 1
906 #define AIROFLPUTBUF AIROFLSHPCHR + 1
907 #define AIRORESTART AIROFLPUTBUF + 1
908
909 #define FLASHSIZE 32768
910 #define AUXMEMSIZE (256 * 1024)
911
912 typedef struct aironet_ioctl {
913 unsigned short command; // What to do
914 unsigned short len; // Len of data
915 unsigned short ridnum; // rid number
916 unsigned char __user *data; // d-data
917 } aironet_ioctl;
918
919 static char swversion[] = "2.1";
920 #endif /* CISCO_EXT */
921
922 #define NUM_MODULES 2
923 #define MIC_MSGLEN_MAX 2400
924 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
925 #define AIRO_DEF_MTU 2312
926
927 typedef struct {
928 u32 size; // size
929 u8 enabled; // MIC enabled or not
930 u32 rxSuccess; // successful packets received
931 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
932 u32 rxNotMICed; // pkts dropped due to not being MIC'd
933 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
934 u32 rxWrongSequence; // pkts dropped due to sequence number violation
935 u32 reserve[32];
936 } mic_statistics;
937
938 typedef struct {
939 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
940 u64 accum; // accumulated mic, reduced to u32 in final()
941 int position; // current position (byte offset) in message
942 union {
943 u8 d8[4];
944 u32 d32;
945 } part; // saves partial message word across update() calls
946 } emmh32_context;
947
948 typedef struct {
949 emmh32_context seed; // Context - the seed
950 u32 rx; // Received sequence number
951 u32 tx; // Tx sequence number
952 u32 window; // Start of window
953 u8 valid; // Flag to say if context is valid or not
954 u8 key[16];
955 } miccntx;
956
957 typedef struct {
958 miccntx mCtx; // Multicast context
959 miccntx uCtx; // Unicast context
960 } mic_module;
961
962 typedef struct {
963 unsigned int rid: 16;
964 unsigned int len: 15;
965 unsigned int valid: 1;
966 dma_addr_t host_addr;
967 } Rid;
968
969 typedef struct {
970 unsigned int offset: 15;
971 unsigned int eoc: 1;
972 unsigned int len: 15;
973 unsigned int valid: 1;
974 dma_addr_t host_addr;
975 } TxFid;
976
977 typedef struct {
978 unsigned int ctl: 15;
979 unsigned int rdy: 1;
980 unsigned int len: 15;
981 unsigned int valid: 1;
982 dma_addr_t host_addr;
983 } RxFid;
984
985 /*
986 * Host receive descriptor
987 */
988 typedef struct {
989 unsigned char __iomem *card_ram_off; /* offset into card memory of the
990 desc */
991 RxFid rx_desc; /* card receive descriptor */
992 char *virtual_host_addr; /* virtual address of host receive
993 buffer */
994 int pending;
995 } HostRxDesc;
996
997 /*
998 * Host transmit descriptor
999 */
1000 typedef struct {
1001 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1002 desc */
1003 TxFid tx_desc; /* card transmit descriptor */
1004 char *virtual_host_addr; /* virtual address of host receive
1005 buffer */
1006 int pending;
1007 } HostTxDesc;
1008
1009 /*
1010 * Host RID descriptor
1011 */
1012 typedef struct {
1013 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1014 descriptor */
1015 Rid rid_desc; /* card RID descriptor */
1016 char *virtual_host_addr; /* virtual address of host receive
1017 buffer */
1018 } HostRidDesc;
1019
1020 typedef struct {
1021 u16 sw0;
1022 u16 sw1;
1023 u16 status;
1024 u16 len;
1025 #define HOST_SET (1 << 0)
1026 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1027 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1028 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1029 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1030 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1031 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1032 #define HOST_RTS (1 << 9) /* Force RTS use */
1033 #define HOST_SHORT (1 << 10) /* Do short preamble */
1034 u16 ctl;
1035 u16 aid;
1036 u16 retries;
1037 u16 fill;
1038 } TxCtlHdr;
1039
1040 typedef struct {
1041 u16 ctl;
1042 u16 duration;
1043 char addr1[6];
1044 char addr2[6];
1045 char addr3[6];
1046 u16 seq;
1047 char addr4[6];
1048 } WifiHdr;
1049
1050
1051 typedef struct {
1052 TxCtlHdr ctlhdr;
1053 u16 fill1;
1054 u16 fill2;
1055 WifiHdr wifihdr;
1056 u16 gaplen;
1057 u16 status;
1058 } WifiCtlHdr;
1059
1060 static WifiCtlHdr wifictlhdr8023 = {
1061 .ctlhdr = {
1062 .ctl = HOST_DONT_RLSE,
1063 }
1064 };
1065
1066 // Frequency list (map channels to frequencies)
1067 static const long frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1068 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
1069
1070 // A few details needed for WEP (Wireless Equivalent Privacy)
1071 #define MAX_KEY_SIZE 13 // 128 (?) bits
1072 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1073 typedef struct wep_key_t {
1074 u16 len;
1075 u8 key[16]; /* 40-bit and 104-bit keys */
1076 } wep_key_t;
1077
1078 /* Backward compatibility */
1079 #ifndef IW_ENCODE_NOKEY
1080 #define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1081 #define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1082 #endif /* IW_ENCODE_NOKEY */
1083
1084 /* List of Wireless Handlers (new API) */
1085 static const struct iw_handler_def airo_handler_def;
1086
1087 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1088
1089 struct airo_info;
1090
1091 static int get_dec_u16( char *buffer, int *start, int limit );
1092 static void OUT4500( struct airo_info *, u16 register, u16 value );
1093 static unsigned short IN4500( struct airo_info *, u16 register );
1094 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1095 static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock );
1096 static void disable_MAC(struct airo_info *ai, int lock);
1097 static void enable_interrupts(struct airo_info*);
1098 static void disable_interrupts(struct airo_info*);
1099 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1100 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1101 static int aux_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1102 int whichbap);
1103 static int fast_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1104 int whichbap);
1105 static int bap_write(struct airo_info*, const u16 *pu16Src, int bytelen,
1106 int whichbap);
1107 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1108 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1109 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1110 *pBuf, int len, int lock);
1111 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1112 int len, int dummy );
1113 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1114 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1115 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1116
1117 static int mpi_send_packet (struct net_device *dev);
1118 static void mpi_unmap_card(struct pci_dev *pci);
1119 static void mpi_receive_802_3(struct airo_info *ai);
1120 static void mpi_receive_802_11(struct airo_info *ai);
1121 static int waitbusy (struct airo_info *ai);
1122
1123 static irqreturn_t airo_interrupt( int irq, void* dev_id, struct pt_regs
1124 *regs);
1125 static int airo_thread(void *data);
1126 static void timer_func( struct net_device *dev );
1127 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1128 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1129 static void airo_read_wireless_stats (struct airo_info *local);
1130 #ifdef CISCO_EXT
1131 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1132 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1133 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1134 #endif /* CISCO_EXT */
1135 static void micinit(struct airo_info *ai);
1136 static int micsetup(struct airo_info *ai);
1137 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1138 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1139
1140 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1141 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1142
1143 static void airo_networks_free(struct airo_info *ai);
1144
1145 struct airo_info {
1146 struct net_device_stats stats;
1147 struct net_device *dev;
1148 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1149 use the high bit to mark whether it is in use. */
1150 #define MAX_FIDS 6
1151 #define MPI_MAX_FIDS 1
1152 int fids[MAX_FIDS];
1153 ConfigRid config;
1154 char keyindex; // Used with auto wep
1155 char defindex; // Used with auto wep
1156 struct proc_dir_entry *proc_entry;
1157 spinlock_t aux_lock;
1158 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1159 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1160 #define FLAG_RADIO_MASK 0x03
1161 #define FLAG_ENABLED 2
1162 #define FLAG_ADHOC 3 /* Needed by MIC */
1163 #define FLAG_MIC_CAPABLE 4
1164 #define FLAG_UPDATE_MULTI 5
1165 #define FLAG_UPDATE_UNI 6
1166 #define FLAG_802_11 7
1167 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1168 #define FLAG_PENDING_XMIT 9
1169 #define FLAG_PENDING_XMIT11 10
1170 #define FLAG_MPI 11
1171 #define FLAG_REGISTERED 12
1172 #define FLAG_COMMIT 13
1173 #define FLAG_RESET 14
1174 #define FLAG_FLASHING 15
1175 #define FLAG_WPA_CAPABLE 16
1176 unsigned long flags;
1177 #define JOB_DIE 0
1178 #define JOB_XMIT 1
1179 #define JOB_XMIT11 2
1180 #define JOB_STATS 3
1181 #define JOB_PROMISC 4
1182 #define JOB_MIC 5
1183 #define JOB_EVENT 6
1184 #define JOB_AUTOWEP 7
1185 #define JOB_WSTATS 8
1186 #define JOB_SCAN_RESULTS 9
1187 unsigned long jobs;
1188 int (*bap_read)(struct airo_info*, u16 *pu16Dst, int bytelen,
1189 int whichbap);
1190 unsigned short *flash;
1191 tdsRssiEntry *rssi;
1192 struct task_struct *list_bss_task;
1193 struct task_struct *airo_thread_task;
1194 struct semaphore sem;
1195 wait_queue_head_t thr_wait;
1196 unsigned long expires;
1197 struct {
1198 struct sk_buff *skb;
1199 int fid;
1200 } xmit, xmit11;
1201 struct net_device *wifidev;
1202 struct iw_statistics wstats; // wireless stats
1203 unsigned long scan_timeout; /* Time scan should be read */
1204 struct iw_spy_data spy_data;
1205 struct iw_public_data wireless_data;
1206 /* MIC stuff */
1207 struct crypto_cipher *tfm;
1208 mic_module mod[2];
1209 mic_statistics micstats;
1210 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1211 HostTxDesc txfids[MPI_MAX_FIDS];
1212 HostRidDesc config_desc;
1213 unsigned long ridbus; // phys addr of config_desc
1214 struct sk_buff_head txq;// tx queue used by mpi350 code
1215 struct pci_dev *pci;
1216 unsigned char __iomem *pcimem;
1217 unsigned char __iomem *pciaux;
1218 unsigned char *shared;
1219 dma_addr_t shared_dma;
1220 pm_message_t power;
1221 SsidRid *SSID;
1222 APListRid *APList;
1223 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1224 char proc_name[IFNAMSIZ];
1225
1226 /* WPA-related stuff */
1227 unsigned int bssListFirst;
1228 unsigned int bssListNext;
1229 unsigned int bssListRidLen;
1230
1231 struct list_head network_list;
1232 struct list_head network_free_list;
1233 BSSListElement *networks;
1234 };
1235
1236 static inline int bap_read(struct airo_info *ai, u16 *pu16Dst, int bytelen,
1237 int whichbap) {
1238 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1239 }
1240
1241 static int setup_proc_entry( struct net_device *dev,
1242 struct airo_info *apriv );
1243 static int takedown_proc_entry( struct net_device *dev,
1244 struct airo_info *apriv );
1245
1246 static int cmdreset(struct airo_info *ai);
1247 static int setflashmode (struct airo_info *ai);
1248 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1249 static int flashputbuf(struct airo_info *ai);
1250 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1251
1252 #define airo_print(type, name, fmt, args...) \
1253 { printk(type "airo(%s): " fmt "\n", name, ##args); }
1254
1255 #define airo_print_info(name, fmt, args...) \
1256 airo_print(KERN_INFO, name, fmt, ##args)
1257
1258 #define airo_print_dbg(name, fmt, args...) \
1259 airo_print(KERN_DEBUG, name, fmt, ##args)
1260
1261 #define airo_print_warn(name, fmt, args...) \
1262 airo_print(KERN_WARNING, name, fmt, ##args)
1263
1264 #define airo_print_err(name, fmt, args...) \
1265 airo_print(KERN_ERR, name, fmt, ##args)
1266
1267
1268 /***********************************************************************
1269 * MIC ROUTINES *
1270 ***********************************************************************
1271 */
1272
1273 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1274 static void MoveWindow(miccntx *context, u32 micSeq);
1275 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1276 struct crypto_cipher *tfm);
1277 static void emmh32_init(emmh32_context *context);
1278 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1279 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1280 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1281
1282 /* micinit - Initialize mic seed */
1283
1284 static void micinit(struct airo_info *ai)
1285 {
1286 MICRid mic_rid;
1287
1288 clear_bit(JOB_MIC, &ai->jobs);
1289 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1290 up(&ai->sem);
1291
1292 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1293
1294 if (ai->micstats.enabled) {
1295 /* Key must be valid and different */
1296 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1297 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1298 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1299 /* Age current mic Context */
1300 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1301 /* Initialize new context */
1302 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1303 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1304 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1305 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1306 ai->mod[0].mCtx.valid = 1; //Key is now valid
1307
1308 /* Give key to mic seed */
1309 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1310 }
1311
1312 /* Key must be valid and different */
1313 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1314 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1315 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1316 /* Age current mic Context */
1317 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1318 /* Initialize new context */
1319 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1320
1321 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1322 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1323 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1324 ai->mod[0].uCtx.valid = 1; //Key is now valid
1325
1326 //Give key to mic seed
1327 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1328 }
1329 } else {
1330 /* So next time we have a valid key and mic is enabled, we will update
1331 * the sequence number if the key is the same as before.
1332 */
1333 ai->mod[0].uCtx.valid = 0;
1334 ai->mod[0].mCtx.valid = 0;
1335 }
1336 }
1337
1338 /* micsetup - Get ready for business */
1339
1340 static int micsetup(struct airo_info *ai) {
1341 int i;
1342
1343 if (ai->tfm == NULL)
1344 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1345
1346 if (IS_ERR(ai->tfm)) {
1347 airo_print_err(ai->dev->name, "failed to load transform for AES");
1348 ai->tfm = NULL;
1349 return ERROR;
1350 }
1351
1352 for (i=0; i < NUM_MODULES; i++) {
1353 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1354 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1355 }
1356 return SUCCESS;
1357 }
1358
1359 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1360
1361 /*===========================================================================
1362 * Description: Mic a packet
1363 *
1364 * Inputs: etherHead * pointer to an 802.3 frame
1365 *
1366 * Returns: BOOLEAN if successful, otherwise false.
1367 * PacketTxLen will be updated with the mic'd packets size.
1368 *
1369 * Caveats: It is assumed that the frame buffer will already
1370 * be big enough to hold the largets mic message possible.
1371 * (No memory allocation is done here).
1372 *
1373 * Author: sbraneky (10/15/01)
1374 * Merciless hacks by rwilcher (1/14/02)
1375 */
1376
1377 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1378 {
1379 miccntx *context;
1380
1381 // Determine correct context
1382 // If not adhoc, always use unicast key
1383
1384 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1385 context = &ai->mod[0].mCtx;
1386 else
1387 context = &ai->mod[0].uCtx;
1388
1389 if (!context->valid)
1390 return ERROR;
1391
1392 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1393
1394 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1395
1396 // Add Tx sequence
1397 mic->seq = htonl(context->tx);
1398 context->tx += 2;
1399
1400 emmh32_init(&context->seed); // Mic the packet
1401 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1402 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1403 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1404 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1405 emmh32_final(&context->seed, (u8*)&mic->mic);
1406
1407 /* New Type/length ?????????? */
1408 mic->typelen = 0; //Let NIC know it could be an oversized packet
1409 return SUCCESS;
1410 }
1411
1412 typedef enum {
1413 NONE,
1414 NOMIC,
1415 NOMICPLUMMED,
1416 SEQUENCE,
1417 INCORRECTMIC,
1418 } mic_error;
1419
1420 /*===========================================================================
1421 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1422 * (removes the MIC stuff) if packet is a valid packet.
1423 *
1424 * Inputs: etherHead pointer to the 802.3 packet
1425 *
1426 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1427 *
1428 * Author: sbraneky (10/15/01)
1429 * Merciless hacks by rwilcher (1/14/02)
1430 *---------------------------------------------------------------------------
1431 */
1432
1433 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1434 {
1435 int i;
1436 u32 micSEQ;
1437 miccntx *context;
1438 u8 digest[4];
1439 mic_error micError = NONE;
1440
1441 // Check if the packet is a Mic'd packet
1442
1443 if (!ai->micstats.enabled) {
1444 //No Mic set or Mic OFF but we received a MIC'd packet.
1445 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1446 ai->micstats.rxMICPlummed++;
1447 return ERROR;
1448 }
1449 return SUCCESS;
1450 }
1451
1452 if (ntohs(mic->typelen) == 0x888E)
1453 return SUCCESS;
1454
1455 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1456 // Mic enabled but packet isn't Mic'd
1457 ai->micstats.rxMICPlummed++;
1458 return ERROR;
1459 }
1460
1461 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1462
1463 //At this point we a have a mic'd packet and mic is enabled
1464 //Now do the mic error checking.
1465
1466 //Receive seq must be odd
1467 if ( (micSEQ & 1) == 0 ) {
1468 ai->micstats.rxWrongSequence++;
1469 return ERROR;
1470 }
1471
1472 for (i = 0; i < NUM_MODULES; i++) {
1473 int mcast = eth->da[0] & 1;
1474 //Determine proper context
1475 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1476
1477 //Make sure context is valid
1478 if (!context->valid) {
1479 if (i == 0)
1480 micError = NOMICPLUMMED;
1481 continue;
1482 }
1483 //DeMic it
1484
1485 if (!mic->typelen)
1486 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1487
1488 emmh32_init(&context->seed);
1489 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1490 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1491 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1492 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1493 //Calculate MIC
1494 emmh32_final(&context->seed, digest);
1495
1496 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1497 //Invalid Mic
1498 if (i == 0)
1499 micError = INCORRECTMIC;
1500 continue;
1501 }
1502
1503 //Check Sequence number if mics pass
1504 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1505 ai->micstats.rxSuccess++;
1506 return SUCCESS;
1507 }
1508 if (i == 0)
1509 micError = SEQUENCE;
1510 }
1511
1512 // Update statistics
1513 switch (micError) {
1514 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1515 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1516 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1517 case NONE: break;
1518 case NOMIC: break;
1519 }
1520 return ERROR;
1521 }
1522
1523 /*===========================================================================
1524 * Description: Checks the Rx Seq number to make sure it is valid
1525 * and hasn't already been received
1526 *
1527 * Inputs: miccntx - mic context to check seq against
1528 * micSeq - the Mic seq number
1529 *
1530 * Returns: TRUE if valid otherwise FALSE.
1531 *
1532 * Author: sbraneky (10/15/01)
1533 * Merciless hacks by rwilcher (1/14/02)
1534 *---------------------------------------------------------------------------
1535 */
1536
1537 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1538 {
1539 u32 seq,index;
1540
1541 //Allow for the ap being rebooted - if it is then use the next
1542 //sequence number of the current sequence number - might go backwards
1543
1544 if (mcast) {
1545 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1546 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1547 context->window = (micSeq > 33) ? micSeq : 33;
1548 context->rx = 0; // Reset rx
1549 }
1550 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1551 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1552 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1553 context->rx = 0; // Reset rx
1554 }
1555
1556 //Make sequence number relative to START of window
1557 seq = micSeq - (context->window - 33);
1558
1559 //Too old of a SEQ number to check.
1560 if ((s32)seq < 0)
1561 return ERROR;
1562
1563 if ( seq > 64 ) {
1564 //Window is infinite forward
1565 MoveWindow(context,micSeq);
1566 return SUCCESS;
1567 }
1568
1569 // We are in the window. Now check the context rx bit to see if it was already sent
1570 seq >>= 1; //divide by 2 because we only have odd numbers
1571 index = 1 << seq; //Get an index number
1572
1573 if (!(context->rx & index)) {
1574 //micSEQ falls inside the window.
1575 //Add seqence number to the list of received numbers.
1576 context->rx |= index;
1577
1578 MoveWindow(context,micSeq);
1579
1580 return SUCCESS;
1581 }
1582 return ERROR;
1583 }
1584
1585 static void MoveWindow(miccntx *context, u32 micSeq)
1586 {
1587 u32 shift;
1588
1589 //Move window if seq greater than the middle of the window
1590 if (micSeq > context->window) {
1591 shift = (micSeq - context->window) >> 1;
1592
1593 //Shift out old
1594 if (shift < 32)
1595 context->rx >>= shift;
1596 else
1597 context->rx = 0;
1598
1599 context->window = micSeq; //Move window
1600 }
1601 }
1602
1603 /*==============================================*/
1604 /*========== EMMH ROUTINES ====================*/
1605 /*==============================================*/
1606
1607 /* mic accumulate */
1608 #define MIC_ACCUM(val) \
1609 context->accum += (u64)(val) * context->coeff[coeff_position++];
1610
1611 static unsigned char aes_counter[16];
1612
1613 /* expand the key to fill the MMH coefficient array */
1614 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1615 struct crypto_cipher *tfm)
1616 {
1617 /* take the keying material, expand if necessary, truncate at 16-bytes */
1618 /* run through AES counter mode to generate context->coeff[] */
1619
1620 int i,j;
1621 u32 counter;
1622 u8 *cipher, plain[16];
1623
1624 crypto_cipher_setkey(tfm, pkey, 16);
1625 counter = 0;
1626 for (i = 0; i < (sizeof(context->coeff)/sizeof(context->coeff[0])); ) {
1627 aes_counter[15] = (u8)(counter >> 0);
1628 aes_counter[14] = (u8)(counter >> 8);
1629 aes_counter[13] = (u8)(counter >> 16);
1630 aes_counter[12] = (u8)(counter >> 24);
1631 counter++;
1632 memcpy (plain, aes_counter, 16);
1633 crypto_cipher_encrypt_one(tfm, plain, plain);
1634 cipher = plain;
1635 for (j=0; (j<16) && (i< (sizeof(context->coeff)/sizeof(context->coeff[0]))); ) {
1636 context->coeff[i++] = ntohl(*(u32 *)&cipher[j]);
1637 j += 4;
1638 }
1639 }
1640 }
1641
1642 /* prepare for calculation of a new mic */
1643 static void emmh32_init(emmh32_context *context)
1644 {
1645 /* prepare for new mic calculation */
1646 context->accum = 0;
1647 context->position = 0;
1648 }
1649
1650 /* add some bytes to the mic calculation */
1651 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1652 {
1653 int coeff_position, byte_position;
1654
1655 if (len == 0) return;
1656
1657 coeff_position = context->position >> 2;
1658
1659 /* deal with partial 32-bit word left over from last update */
1660 byte_position = context->position & 3;
1661 if (byte_position) {
1662 /* have a partial word in part to deal with */
1663 do {
1664 if (len == 0) return;
1665 context->part.d8[byte_position++] = *pOctets++;
1666 context->position++;
1667 len--;
1668 } while (byte_position < 4);
1669 MIC_ACCUM(htonl(context->part.d32));
1670 }
1671
1672 /* deal with full 32-bit words */
1673 while (len >= 4) {
1674 MIC_ACCUM(htonl(*(u32 *)pOctets));
1675 context->position += 4;
1676 pOctets += 4;
1677 len -= 4;
1678 }
1679
1680 /* deal with partial 32-bit word that will be left over from this update */
1681 byte_position = 0;
1682 while (len > 0) {
1683 context->part.d8[byte_position++] = *pOctets++;
1684 context->position++;
1685 len--;
1686 }
1687 }
1688
1689 /* mask used to zero empty bytes for final partial word */
1690 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1691
1692 /* calculate the mic */
1693 static void emmh32_final(emmh32_context *context, u8 digest[4])
1694 {
1695 int coeff_position, byte_position;
1696 u32 val;
1697
1698 u64 sum, utmp;
1699 s64 stmp;
1700
1701 coeff_position = context->position >> 2;
1702
1703 /* deal with partial 32-bit word left over from last update */
1704 byte_position = context->position & 3;
1705 if (byte_position) {
1706 /* have a partial word in part to deal with */
1707 val = htonl(context->part.d32);
1708 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1709 }
1710
1711 /* reduce the accumulated u64 to a 32-bit MIC */
1712 sum = context->accum;
1713 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1714 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1715 sum = utmp & 0xffffffffLL;
1716 if (utmp > 0x10000000fLL)
1717 sum -= 15;
1718
1719 val = (u32)sum;
1720 digest[0] = (val>>24) & 0xFF;
1721 digest[1] = (val>>16) & 0xFF;
1722 digest[2] = (val>>8) & 0xFF;
1723 digest[3] = val & 0xFF;
1724 }
1725
1726 static int readBSSListRid(struct airo_info *ai, int first,
1727 BSSListRid *list) {
1728 int rc;
1729 Cmd cmd;
1730 Resp rsp;
1731
1732 if (first == 1) {
1733 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1734 memset(&cmd, 0, sizeof(cmd));
1735 cmd.cmd=CMD_LISTBSS;
1736 if (down_interruptible(&ai->sem))
1737 return -ERESTARTSYS;
1738 ai->list_bss_task = current;
1739 issuecommand(ai, &cmd, &rsp);
1740 up(&ai->sem);
1741 /* Let the command take effect */
1742 schedule_timeout_uninterruptible(3 * HZ);
1743 ai->list_bss_task = NULL;
1744 }
1745 rc = PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1746 list, ai->bssListRidLen, 1);
1747
1748 list->len = le16_to_cpu(list->len);
1749 list->index = le16_to_cpu(list->index);
1750 list->radioType = le16_to_cpu(list->radioType);
1751 list->cap = le16_to_cpu(list->cap);
1752 list->beaconInterval = le16_to_cpu(list->beaconInterval);
1753 list->fh.dwell = le16_to_cpu(list->fh.dwell);
1754 list->dsChannel = le16_to_cpu(list->dsChannel);
1755 list->atimWindow = le16_to_cpu(list->atimWindow);
1756 list->dBm = le16_to_cpu(list->dBm);
1757 return rc;
1758 }
1759
1760 static int readWepKeyRid(struct airo_info*ai, WepKeyRid *wkr, int temp, int lock) {
1761 int rc = PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1762 wkr, sizeof(*wkr), lock);
1763
1764 wkr->len = le16_to_cpu(wkr->len);
1765 wkr->kindex = le16_to_cpu(wkr->kindex);
1766 wkr->klen = le16_to_cpu(wkr->klen);
1767 return rc;
1768 }
1769 /* In the writeXXXRid routines we copy the rids so that we don't screwup
1770 * the originals when we endian them... */
1771 static int writeWepKeyRid(struct airo_info*ai, WepKeyRid *pwkr, int perm, int lock) {
1772 int rc;
1773 WepKeyRid wkr = *pwkr;
1774
1775 wkr.len = cpu_to_le16(wkr.len);
1776 wkr.kindex = cpu_to_le16(wkr.kindex);
1777 wkr.klen = cpu_to_le16(wkr.klen);
1778 rc = PC4500_writerid(ai, RID_WEP_TEMP, &wkr, sizeof(wkr), lock);
1779 if (rc!=SUCCESS) airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1780 if (perm) {
1781 rc = PC4500_writerid(ai, RID_WEP_PERM, &wkr, sizeof(wkr), lock);
1782 if (rc!=SUCCESS) {
1783 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1784 }
1785 }
1786 return rc;
1787 }
1788
1789 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr) {
1790 int i;
1791 int rc = PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1792
1793 ssidr->len = le16_to_cpu(ssidr->len);
1794 for(i = 0; i < 3; i++) {
1795 ssidr->ssids[i].len = le16_to_cpu(ssidr->ssids[i].len);
1796 }
1797 return rc;
1798 }
1799 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock) {
1800 int rc;
1801 int i;
1802 SsidRid ssidr = *pssidr;
1803
1804 ssidr.len = cpu_to_le16(ssidr.len);
1805 for(i = 0; i < 3; i++) {
1806 ssidr.ssids[i].len = cpu_to_le16(ssidr.ssids[i].len);
1807 }
1808 rc = PC4500_writerid(ai, RID_SSID, &ssidr, sizeof(ssidr), lock);
1809 return rc;
1810 }
1811 static int readConfigRid(struct airo_info*ai, int lock) {
1812 int rc;
1813 u16 *s;
1814 ConfigRid cfg;
1815
1816 if (ai->config.len)
1817 return SUCCESS;
1818
1819 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1820 if (rc != SUCCESS)
1821 return rc;
1822
1823 for(s = &cfg.len; s <= &cfg.rtsThres; s++) *s = le16_to_cpu(*s);
1824
1825 for(s = &cfg.shortRetryLimit; s <= &cfg.radioType; s++)
1826 *s = le16_to_cpu(*s);
1827
1828 for(s = &cfg.txPower; s <= &cfg.radioSpecific; s++)
1829 *s = le16_to_cpu(*s);
1830
1831 for(s = &cfg.arlThreshold; s <= &cfg._reserved4[0]; s++)
1832 *s = cpu_to_le16(*s);
1833
1834 for(s = &cfg.autoWake; s <= &cfg.autoWake; s++)
1835 *s = cpu_to_le16(*s);
1836
1837 ai->config = cfg;
1838 return SUCCESS;
1839 }
1840 static inline void checkThrottle(struct airo_info *ai) {
1841 int i;
1842 /* Old hardware had a limit on encryption speed */
1843 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1844 for(i=0; i<8; i++) {
1845 if (ai->config.rates[i] > maxencrypt) {
1846 ai->config.rates[i] = 0;
1847 }
1848 }
1849 }
1850 }
1851 static int writeConfigRid(struct airo_info*ai, int lock) {
1852 u16 *s;
1853 ConfigRid cfgr;
1854
1855 if (!test_bit (FLAG_COMMIT, &ai->flags))
1856 return SUCCESS;
1857
1858 clear_bit (FLAG_COMMIT, &ai->flags);
1859 clear_bit (FLAG_RESET, &ai->flags);
1860 checkThrottle(ai);
1861 cfgr = ai->config;
1862
1863 if ((cfgr.opmode & 0xFF) == MODE_STA_IBSS)
1864 set_bit(FLAG_ADHOC, &ai->flags);
1865 else
1866 clear_bit(FLAG_ADHOC, &ai->flags);
1867
1868 for(s = &cfgr.len; s <= &cfgr.rtsThres; s++) *s = cpu_to_le16(*s);
1869
1870 for(s = &cfgr.shortRetryLimit; s <= &cfgr.radioType; s++)
1871 *s = cpu_to_le16(*s);
1872
1873 for(s = &cfgr.txPower; s <= &cfgr.radioSpecific; s++)
1874 *s = cpu_to_le16(*s);
1875
1876 for(s = &cfgr.arlThreshold; s <= &cfgr._reserved4[0]; s++)
1877 *s = cpu_to_le16(*s);
1878
1879 for(s = &cfgr.autoWake; s <= &cfgr.autoWake; s++)
1880 *s = cpu_to_le16(*s);
1881
1882 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1883 }
1884 static int readStatusRid(struct airo_info*ai, StatusRid *statr, int lock) {
1885 int rc = PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1886 u16 *s;
1887
1888 statr->len = le16_to_cpu(statr->len);
1889 for(s = &statr->mode; s <= &statr->SSIDlen; s++) *s = le16_to_cpu(*s);
1890
1891 for(s = &statr->beaconPeriod; s <= &statr->shortPreamble; s++)
1892 *s = le16_to_cpu(*s);
1893 statr->load = le16_to_cpu(statr->load);
1894 statr->assocStatus = le16_to_cpu(statr->assocStatus);
1895 return rc;
1896 }
1897 static int readAPListRid(struct airo_info*ai, APListRid *aplr) {
1898 int rc = PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1899 aplr->len = le16_to_cpu(aplr->len);
1900 return rc;
1901 }
1902 static int writeAPListRid(struct airo_info*ai, APListRid *aplr, int lock) {
1903 int rc;
1904 aplr->len = cpu_to_le16(aplr->len);
1905 rc = PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1906 return rc;
1907 }
1908 static int readCapabilityRid(struct airo_info*ai, CapabilityRid *capr, int lock) {
1909 int rc = PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1910 u16 *s;
1911
1912 capr->len = le16_to_cpu(capr->len);
1913 capr->prodNum = le16_to_cpu(capr->prodNum);
1914 capr->radioType = le16_to_cpu(capr->radioType);
1915 capr->country = le16_to_cpu(capr->country);
1916 for(s = &capr->txPowerLevels[0]; s <= &capr->requiredHard; s++)
1917 *s = le16_to_cpu(*s);
1918 return rc;
1919 }
1920 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) {
1921 int rc = PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1922 u32 *i;
1923
1924 sr->len = le16_to_cpu(sr->len);
1925 for(i = &sr->vals[0]; i <= &sr->vals[99]; i++) *i = le32_to_cpu(*i);
1926 return rc;
1927 }
1928
1929 static int airo_open(struct net_device *dev) {
1930 struct airo_info *info = dev->priv;
1931 Resp rsp;
1932
1933 if (test_bit(FLAG_FLASHING, &info->flags))
1934 return -EIO;
1935
1936 /* Make sure the card is configured.
1937 * Wireless Extensions may postpone config changes until the card
1938 * is open (to pipeline changes and speed-up card setup). If
1939 * those changes are not yet commited, do it now - Jean II */
1940 if (test_bit (FLAG_COMMIT, &info->flags)) {
1941 disable_MAC(info, 1);
1942 writeConfigRid(info, 1);
1943 }
1944
1945 if (info->wifidev != dev) {
1946 /* Power on the MAC controller (which may have been disabled) */
1947 clear_bit(FLAG_RADIO_DOWN, &info->flags);
1948 enable_interrupts(info);
1949 }
1950 enable_MAC(info, &rsp, 1);
1951
1952 netif_start_queue(dev);
1953 return 0;
1954 }
1955
1956 static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1957 int npacks, pending;
1958 unsigned long flags;
1959 struct airo_info *ai = dev->priv;
1960
1961 if (!skb) {
1962 airo_print_err(dev->name, "%s: skb == NULL!",__FUNCTION__);
1963 return 0;
1964 }
1965 npacks = skb_queue_len (&ai->txq);
1966
1967 if (npacks >= MAXTXQ - 1) {
1968 netif_stop_queue (dev);
1969 if (npacks > MAXTXQ) {
1970 ai->stats.tx_fifo_errors++;
1971 return 1;
1972 }
1973 skb_queue_tail (&ai->txq, skb);
1974 return 0;
1975 }
1976
1977 spin_lock_irqsave(&ai->aux_lock, flags);
1978 skb_queue_tail (&ai->txq, skb);
1979 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1980 spin_unlock_irqrestore(&ai->aux_lock,flags);
1981 netif_wake_queue (dev);
1982
1983 if (pending == 0) {
1984 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1985 mpi_send_packet (dev);
1986 }
1987 return 0;
1988 }
1989
1990 /*
1991 * @mpi_send_packet
1992 *
1993 * Attempt to transmit a packet. Can be called from interrupt
1994 * or transmit . return number of packets we tried to send
1995 */
1996
1997 static int mpi_send_packet (struct net_device *dev)
1998 {
1999 struct sk_buff *skb;
2000 unsigned char *buffer;
2001 s16 len, *payloadLen;
2002 struct airo_info *ai = dev->priv;
2003 u8 *sendbuf;
2004
2005 /* get a packet to send */
2006
2007 if ((skb = skb_dequeue(&ai->txq)) == 0) {
2008 airo_print_err(dev->name,
2009 "%s: Dequeue'd zero in send_packet()",
2010 __FUNCTION__);
2011 return 0;
2012 }
2013
2014 /* check min length*/
2015 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2016 buffer = skb->data;
2017
2018 ai->txfids[0].tx_desc.offset = 0;
2019 ai->txfids[0].tx_desc.valid = 1;
2020 ai->txfids[0].tx_desc.eoc = 1;
2021 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
2022
2023 /*
2024 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
2025 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
2026 * is immediatly after it. ------------------------------------------------
2027 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
2028 * ------------------------------------------------
2029 */
2030
2031 memcpy((char *)ai->txfids[0].virtual_host_addr,
2032 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2033
2034 payloadLen = (s16 *)(ai->txfids[0].virtual_host_addr +
2035 sizeof(wifictlhdr8023));
2036 sendbuf = ai->txfids[0].virtual_host_addr +
2037 sizeof(wifictlhdr8023) + 2 ;
2038
2039 /*
2040 * Firmware automaticly puts 802 header on so
2041 * we don't need to account for it in the length
2042 */
2043 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2044 (ntohs(((u16 *)buffer)[6]) != 0x888E)) {
2045 MICBuffer pMic;
2046
2047 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2048 return ERROR;
2049
2050 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2051 ai->txfids[0].tx_desc.len += sizeof(pMic);
2052 /* copy data into airo dma buffer */
2053 memcpy (sendbuf, buffer, sizeof(etherHead));
2054 buffer += sizeof(etherHead);
2055 sendbuf += sizeof(etherHead);
2056 memcpy (sendbuf, &pMic, sizeof(pMic));
2057 sendbuf += sizeof(pMic);
2058 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2059 } else {
2060 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2061
2062 dev->trans_start = jiffies;
2063
2064 /* copy data into airo dma buffer */
2065 memcpy(sendbuf, buffer, len);
2066 }
2067
2068 memcpy_toio(ai->txfids[0].card_ram_off,
2069 &ai->txfids[0].tx_desc, sizeof(TxFid));
2070
2071 OUT4500(ai, EVACK, 8);
2072
2073 dev_kfree_skb_any(skb);
2074 return 1;
2075 }
2076
2077 static void get_tx_error(struct airo_info *ai, s32 fid)
2078 {
2079 u16 status;
2080
2081 if (fid < 0)
2082 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2083 else {
2084 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2085 return;
2086 bap_read(ai, &status, 2, BAP0);
2087 }
2088 if (le16_to_cpu(status) & 2) /* Too many retries */
2089 ai->stats.tx_aborted_errors++;
2090 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2091 ai->stats.tx_heartbeat_errors++;
2092 if (le16_to_cpu(status) & 8) /* Aid fail */
2093 { }
2094 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2095 ai->stats.tx_carrier_errors++;
2096 if (le16_to_cpu(status) & 0x20) /* Association lost */
2097 { }
2098 /* We produce a TXDROP event only for retry or lifetime
2099 * exceeded, because that's the only status that really mean
2100 * that this particular node went away.
2101 * Other errors means that *we* screwed up. - Jean II */
2102 if ((le16_to_cpu(status) & 2) ||
2103 (le16_to_cpu(status) & 4)) {
2104 union iwreq_data wrqu;
2105 char junk[0x18];
2106
2107 /* Faster to skip over useless data than to do
2108 * another bap_setup(). We are at offset 0x6 and
2109 * need to go to 0x18 and read 6 bytes - Jean II */
2110 bap_read(ai, (u16 *) junk, 0x18, BAP0);
2111
2112 /* Copy 802.11 dest address.
2113 * We use the 802.11 header because the frame may
2114 * not be 802.3 or may be mangled...
2115 * In Ad-Hoc mode, it will be the node address.
2116 * In managed mode, it will be most likely the AP addr
2117 * User space will figure out how to convert it to
2118 * whatever it needs (IP address or else).
2119 * - Jean II */
2120 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2121 wrqu.addr.sa_family = ARPHRD_ETHER;
2122
2123 /* Send event to user space */
2124 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2125 }
2126 }
2127
2128 static void airo_end_xmit(struct net_device *dev) {
2129 u16 status;
2130 int i;
2131 struct airo_info *priv = dev->priv;
2132 struct sk_buff *skb = priv->xmit.skb;
2133 int fid = priv->xmit.fid;
2134 u32 *fids = priv->fids;
2135
2136 clear_bit(JOB_XMIT, &priv->jobs);
2137 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2138 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2139 up(&priv->sem);
2140
2141 i = 0;
2142 if ( status == SUCCESS ) {
2143 dev->trans_start = jiffies;
2144 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2145 } else {
2146 priv->fids[fid] &= 0xffff;
2147 priv->stats.tx_window_errors++;
2148 }
2149 if (i < MAX_FIDS / 2)
2150 netif_wake_queue(dev);
2151 dev_kfree_skb(skb);
2152 }
2153
2154 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2155 s16 len;
2156 int i, j;
2157 struct airo_info *priv = dev->priv;
2158 u32 *fids = priv->fids;
2159
2160 if ( skb == NULL ) {
2161 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2162 return 0;
2163 }
2164
2165 /* Find a vacant FID */
2166 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2167 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2168
2169 if ( j >= MAX_FIDS / 2 ) {
2170 netif_stop_queue(dev);
2171
2172 if (i == MAX_FIDS / 2) {
2173 priv->stats.tx_fifo_errors++;
2174 return 1;
2175 }
2176 }
2177 /* check min length*/
2178 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2179 /* Mark fid as used & save length for later */
2180 fids[i] |= (len << 16);
2181 priv->xmit.skb = skb;
2182 priv->xmit.fid = i;
2183 if (down_trylock(&priv->sem) != 0) {
2184 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2185 netif_stop_queue(dev);
2186 set_bit(JOB_XMIT, &priv->jobs);
2187 wake_up_interruptible(&priv->thr_wait);
2188 } else
2189 airo_end_xmit(dev);
2190 return 0;
2191 }
2192
2193 static void airo_end_xmit11(struct net_device *dev) {
2194 u16 status;
2195 int i;
2196 struct airo_info *priv = dev->priv;
2197 struct sk_buff *skb = priv->xmit11.skb;
2198 int fid = priv->xmit11.fid;
2199 u32 *fids = priv->fids;
2200
2201 clear_bit(JOB_XMIT11, &priv->jobs);
2202 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2203 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2204 up(&priv->sem);
2205
2206 i = MAX_FIDS / 2;
2207 if ( status == SUCCESS ) {
2208 dev->trans_start = jiffies;
2209 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2210 } else {
2211 priv->fids[fid] &= 0xffff;
2212 priv->stats.tx_window_errors++;
2213 }
2214 if (i < MAX_FIDS)
2215 netif_wake_queue(dev);
2216 dev_kfree_skb(skb);
2217 }
2218
2219 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2220 s16 len;
2221 int i, j;
2222 struct airo_info *priv = dev->priv;
2223 u32 *fids = priv->fids;
2224
2225 if (test_bit(FLAG_MPI, &priv->flags)) {
2226 /* Not implemented yet for MPI350 */
2227 netif_stop_queue(dev);
2228 return -ENETDOWN;
2229 }
2230
2231 if ( skb == NULL ) {
2232 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2233 return 0;
2234 }
2235
2236 /* Find a vacant FID */
2237 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2238 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2239
2240 if ( j >= MAX_FIDS ) {
2241 netif_stop_queue(dev);
2242
2243 if (i == MAX_FIDS) {
2244 priv->stats.tx_fifo_errors++;
2245 return 1;
2246 }
2247 }
2248 /* check min length*/
2249 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2250 /* Mark fid as used & save length for later */
2251 fids[i] |= (len << 16);
2252 priv->xmit11.skb = skb;
2253 priv->xmit11.fid = i;
2254 if (down_trylock(&priv->sem) != 0) {
2255 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2256 netif_stop_queue(dev);
2257 set_bit(JOB_XMIT11, &priv->jobs);
2258 wake_up_interruptible(&priv->thr_wait);
2259 } else
2260 airo_end_xmit11(dev);
2261 return 0;
2262 }
2263
2264 static void airo_read_stats(struct airo_info *ai) {
2265 StatsRid stats_rid;
2266 u32 *vals = stats_rid.vals;
2267
2268 clear_bit(JOB_STATS, &ai->jobs);
2269 if (ai->power.event) {
2270 up(&ai->sem);
2271 return;
2272 }
2273 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2274 up(&ai->sem);
2275
2276 ai->stats.rx_packets = vals[43] + vals[44] + vals[45];
2277 ai->stats.tx_packets = vals[39] + vals[40] + vals[41];
2278 ai->stats.rx_bytes = vals[92];
2279 ai->stats.tx_bytes = vals[91];
2280 ai->stats.rx_errors = vals[0] + vals[2] + vals[3] + vals[4];
2281 ai->stats.tx_errors = vals[42] + ai->stats.tx_fifo_errors;
2282 ai->stats.multicast = vals[43];
2283 ai->stats.collisions = vals[89];
2284
2285 /* detailed rx_errors: */
2286 ai->stats.rx_length_errors = vals[3];
2287 ai->stats.rx_crc_errors = vals[4];
2288 ai->stats.rx_frame_errors = vals[2];
2289 ai->stats.rx_fifo_errors = vals[0];
2290 }
2291
2292 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2293 {
2294 struct airo_info *local = dev->priv;
2295
2296 if (!test_bit(JOB_STATS, &local->jobs)) {
2297 /* Get stats out of the card if available */
2298 if (down_trylock(&local->sem) != 0) {
2299 set_bit(JOB_STATS, &local->jobs);
2300 wake_up_interruptible(&local->thr_wait);
2301 } else
2302 airo_read_stats(local);
2303 }
2304
2305 return &local->stats;
2306 }
2307
2308 static void airo_set_promisc(struct airo_info *ai) {
2309 Cmd cmd;
2310 Resp rsp;
2311
2312 memset(&cmd, 0, sizeof(cmd));
2313 cmd.cmd=CMD_SETMODE;
2314 clear_bit(JOB_PROMISC, &ai->jobs);
2315 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2316 issuecommand(ai, &cmd, &rsp);
2317 up(&ai->sem);
2318 }
2319
2320 static void airo_set_multicast_list(struct net_device *dev) {
2321 struct airo_info *ai = dev->priv;
2322
2323 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2324 change_bit(FLAG_PROMISC, &ai->flags);
2325 if (down_trylock(&ai->sem) != 0) {
2326 set_bit(JOB_PROMISC, &ai->jobs);
2327 wake_up_interruptible(&ai->thr_wait);
2328 } else
2329 airo_set_promisc(ai);
2330 }
2331
2332 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2333 /* Turn on multicast. (Should be already setup...) */
2334 }
2335 }
2336
2337 static int airo_set_mac_address(struct net_device *dev, void *p)
2338 {
2339 struct airo_info *ai = dev->priv;
2340 struct sockaddr *addr = p;
2341 Resp rsp;
2342
2343 readConfigRid(ai, 1);
2344 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2345 set_bit (FLAG_COMMIT, &ai->flags);
2346 disable_MAC(ai, 1);
2347 writeConfigRid (ai, 1);
2348 enable_MAC(ai, &rsp, 1);
2349 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2350 if (ai->wifidev)
2351 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2352 return 0;
2353 }
2354
2355 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2356 {
2357 if ((new_mtu < 68) || (new_mtu > 2400))
2358 return -EINVAL;
2359 dev->mtu = new_mtu;
2360 return 0;
2361 }
2362
2363
2364 static int airo_close(struct net_device *dev) {
2365 struct airo_info *ai = dev->priv;
2366
2367 netif_stop_queue(dev);
2368
2369 if (ai->wifidev != dev) {
2370 #ifdef POWER_ON_DOWN
2371 /* Shut power to the card. The idea is that the user can save
2372 * power when he doesn't need the card with "ifconfig down".
2373 * That's the method that is most friendly towards the network
2374 * stack (i.e. the network stack won't try to broadcast
2375 * anything on the interface and routes are gone. Jean II */
2376 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2377 disable_MAC(ai, 1);
2378 #endif
2379 disable_interrupts( ai );
2380 }
2381 return 0;
2382 }
2383
2384 static void del_airo_dev( struct net_device *dev );
2385
2386 void stop_airo_card( struct net_device *dev, int freeres )
2387 {
2388 struct airo_info *ai = dev->priv;
2389
2390 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2391 disable_MAC(ai, 1);
2392 disable_interrupts(ai);
2393 free_irq( dev->irq, dev );
2394 takedown_proc_entry( dev, ai );
2395 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2396 unregister_netdev( dev );
2397 if (ai->wifidev) {
2398 unregister_netdev(ai->wifidev);
2399 free_netdev(ai->wifidev);
2400 ai->wifidev = NULL;
2401 }
2402 clear_bit(FLAG_REGISTERED, &ai->flags);
2403 }
2404 set_bit(JOB_DIE, &ai->jobs);
2405 kthread_stop(ai->airo_thread_task);
2406
2407 /*
2408 * Clean out tx queue
2409 */
2410 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2411 struct sk_buff *skb = NULL;
2412 for (;(skb = skb_dequeue(&ai->txq));)
2413 dev_kfree_skb(skb);
2414 }
2415
2416 airo_networks_free (ai);
2417
2418 kfree(ai->flash);
2419 kfree(ai->rssi);
2420 kfree(ai->APList);
2421 kfree(ai->SSID);
2422 if (freeres) {
2423 /* PCMCIA frees this stuff, so only for PCI and ISA */
2424 release_region( dev->base_addr, 64 );
2425 if (test_bit(FLAG_MPI, &ai->flags)) {
2426 if (ai->pci)
2427 mpi_unmap_card(ai->pci);
2428 if (ai->pcimem)
2429 iounmap(ai->pcimem);
2430 if (ai->pciaux)
2431 iounmap(ai->pciaux);
2432 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2433 ai->shared, ai->shared_dma);
2434 }
2435 }
2436 crypto_free_cipher(ai->tfm);
2437 del_airo_dev( dev );
2438 free_netdev( dev );
2439 }
2440
2441 EXPORT_SYMBOL(stop_airo_card);
2442
2443 static int add_airo_dev( struct net_device *dev );
2444
2445 static int wll_header_parse(struct sk_buff *skb, unsigned char *haddr)
2446 {
2447 memcpy(haddr, skb->mac.raw + 10, ETH_ALEN);
2448 return ETH_ALEN;
2449 }
2450
2451 static void mpi_unmap_card(struct pci_dev *pci)
2452 {
2453 unsigned long mem_start = pci_resource_start(pci, 1);
2454 unsigned long mem_len = pci_resource_len(pci, 1);
2455 unsigned long aux_start = pci_resource_start(pci, 2);
2456 unsigned long aux_len = AUXMEMSIZE;
2457
2458 release_mem_region(aux_start, aux_len);
2459 release_mem_region(mem_start, mem_len);
2460 }
2461
2462 /*************************************************************
2463 * This routine assumes that descriptors have been setup .
2464 * Run at insmod time or after reset when the decriptors
2465 * have been initialized . Returns 0 if all is well nz
2466 * otherwise . Does not allocate memory but sets up card
2467 * using previously allocated descriptors.
2468 */
2469 static int mpi_init_descriptors (struct airo_info *ai)
2470 {
2471 Cmd cmd;
2472 Resp rsp;
2473 int i;
2474 int rc = SUCCESS;
2475
2476 /* Alloc card RX descriptors */
2477 netif_stop_queue(ai->dev);
2478
2479 memset(&rsp,0,sizeof(rsp));
2480 memset(&cmd,0,sizeof(cmd));
2481
2482 cmd.cmd = CMD_ALLOCATEAUX;
2483 cmd.parm0 = FID_RX;
2484 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2485 cmd.parm2 = MPI_MAX_FIDS;
2486 rc=issuecommand(ai, &cmd, &rsp);
2487 if (rc != SUCCESS) {
2488 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2489 return rc;
2490 }
2491
2492 for (i=0; i<MPI_MAX_FIDS; i++) {
2493 memcpy_toio(ai->rxfids[i].card_ram_off,
2494 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2495 }
2496
2497 /* Alloc card TX descriptors */
2498
2499 memset(&rsp,0,sizeof(rsp));
2500 memset(&cmd,0,sizeof(cmd));
2501
2502 cmd.cmd = CMD_ALLOCATEAUX;
2503 cmd.parm0 = FID_TX;
2504 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2505 cmd.parm2 = MPI_MAX_FIDS;
2506
2507 for (i=0; i<MPI_MAX_FIDS; i++) {
2508 ai->txfids[i].tx_desc.valid = 1;
2509 memcpy_toio(ai->txfids[i].card_ram_off,
2510 &ai->txfids[i].tx_desc, sizeof(TxFid));
2511 }
2512 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2513
2514 rc=issuecommand(ai, &cmd, &rsp);
2515 if (rc != SUCCESS) {
2516 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2517 return rc;
2518 }
2519
2520 /* Alloc card Rid descriptor */
2521 memset(&rsp,0,sizeof(rsp));
2522 memset(&cmd,0,sizeof(cmd));
2523
2524 cmd.cmd = CMD_ALLOCATEAUX;
2525 cmd.parm0 = RID_RW;
2526 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2527 cmd.parm2 = 1; /* Magic number... */
2528 rc=issuecommand(ai, &cmd, &rsp);
2529 if (rc != SUCCESS) {
2530 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2531 return rc;
2532 }
2533
2534 memcpy_toio(ai->config_desc.card_ram_off,
2535 &ai->config_desc.rid_desc, sizeof(Rid));
2536
2537 return rc;
2538 }
2539
2540 /*
2541 * We are setting up three things here:
2542 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2543 * 2) Map PCI memory for issueing commands.
2544 * 3) Allocate memory (shared) to send and receive ethernet frames.
2545 */
2546 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci,
2547 const char *name)
2548 {
2549 unsigned long mem_start, mem_len, aux_start, aux_len;
2550 int rc = -1;
2551 int i;
2552 dma_addr_t busaddroff;
2553 unsigned char *vpackoff;
2554 unsigned char __iomem *pciaddroff;
2555
2556 mem_start = pci_resource_start(pci, 1);
2557 mem_len = pci_resource_len(pci, 1);
2558 aux_start = pci_resource_start(pci, 2);
2559 aux_len = AUXMEMSIZE;
2560
2561 if (!request_mem_region(mem_start, mem_len, name)) {
2562 airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s",
2563 (int)mem_start, (int)mem_len, name);
2564 goto out;
2565 }
2566 if (!request_mem_region(aux_start, aux_len, name)) {
2567 airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s",
2568 (int)aux_start, (int)aux_len, name);
2569 goto free_region1;
2570 }
2571
2572 ai->pcimem = ioremap(mem_start, mem_len);
2573 if (!ai->pcimem) {
2574 airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s",
2575 (int)mem_start, (int)mem_len, name);
2576 goto free_region2;
2577 }
2578 ai->pciaux = ioremap(aux_start, aux_len);
2579 if (!ai->pciaux) {
2580 airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s",
2581 (int)aux_start, (int)aux_len, name);
2582 goto free_memmap;
2583 }
2584
2585 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2586 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2587 if (!ai->shared) {
2588 airo_print_err(ai->dev->name, "Couldn't alloc_consistent %d",
2589 PCI_SHARED_LEN);
2590 goto free_auxmap;
2591 }
2592
2593 /*
2594 * Setup descriptor RX, TX, CONFIG
2595 */
2596 busaddroff = ai->shared_dma;
2597 pciaddroff = ai->pciaux + AUX_OFFSET;
2598 vpackoff = ai->shared;
2599
2600 /* RX descriptor setup */
2601 for(i = 0; i < MPI_MAX_FIDS; i++) {
2602 ai->rxfids[i].pending = 0;
2603 ai->rxfids[i].card_ram_off = pciaddroff;
2604 ai->rxfids[i].virtual_host_addr = vpackoff;
2605 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2606 ai->rxfids[i].rx_desc.valid = 1;
2607 ai->rxfids[i].rx_desc.len = PKTSIZE;
2608 ai->rxfids[i].rx_desc.rdy = 0;
2609
2610 pciaddroff += sizeof(RxFid);
2611 busaddroff += PKTSIZE;
2612 vpackoff += PKTSIZE;
2613 }
2614
2615 /* TX descriptor setup */
2616 for(i = 0; i < MPI_MAX_FIDS; i++) {
2617 ai->txfids[i].card_ram_off = pciaddroff;
2618 ai->txfids[i].virtual_host_addr = vpackoff;
2619 ai->txfids[i].tx_desc.valid = 1;
2620 ai->txfids[i].tx_desc.host_addr = busaddroff;
2621 memcpy(ai->txfids[i].virtual_host_addr,
2622 &wifictlhdr8023, sizeof(wifictlhdr8023));
2623
2624 pciaddroff += sizeof(TxFid);
2625 busaddroff += PKTSIZE;
2626 vpackoff += PKTSIZE;
2627 }
2628 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2629
2630 /* Rid descriptor setup */
2631 ai->config_desc.card_ram_off = pciaddroff;
2632 ai->config_desc.virtual_host_addr = vpackoff;
2633 ai->config_desc.rid_desc.host_addr = busaddroff;
2634 ai->ridbus = busaddroff;
2635 ai->config_desc.rid_desc.rid = 0;
2636 ai->config_desc.rid_desc.len = RIDSIZE;
2637 ai->config_desc.rid_desc.valid = 1;
2638 pciaddroff += sizeof(Rid);
2639 busaddroff += RIDSIZE;
2640 vpackoff += RIDSIZE;
2641
2642 /* Tell card about descriptors */
2643 if (mpi_init_descriptors (ai) != SUCCESS)
2644 goto free_shared;
2645
2646 return 0;
2647 free_shared:
2648 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2649 free_auxmap:
2650 iounmap(ai->pciaux);
2651 free_memmap:
2652 iounmap(ai->pcimem);
2653 free_region2:
2654 release_mem_region(aux_start, aux_len);
2655 free_region1:
2656 release_mem_region(mem_start, mem_len);
2657 out:
2658 return rc;
2659 }
2660
2661 static void wifi_setup(struct net_device *dev)
2662 {
2663 dev->hard_header = NULL;
2664 dev->rebuild_header = NULL;
2665 dev->hard_header_cache = NULL;
2666 dev->header_cache_update= NULL;
2667
2668 dev->hard_header_parse = wll_header_parse;
2669 dev->hard_start_xmit = &airo_start_xmit11;
2670 dev->get_stats = &airo_get_stats;
2671 dev->set_mac_address = &airo_set_mac_address;
2672 dev->do_ioctl = &airo_ioctl;
2673 dev->wireless_handlers = &airo_handler_def;
2674 dev->change_mtu = &airo_change_mtu;
2675 dev->open = &airo_open;
2676 dev->stop = &airo_close;
2677
2678 dev->type = ARPHRD_IEEE80211;
2679 dev->hard_header_len = ETH_HLEN;
2680 dev->mtu = AIRO_DEF_MTU;
2681 dev->addr_len = ETH_ALEN;
2682 dev->tx_queue_len = 100;
2683
2684 memset(dev->broadcast,0xFF, ETH_ALEN);
2685
2686 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2687 }
2688
2689 static struct net_device *init_wifidev(struct airo_info *ai,
2690 struct net_device *ethdev)
2691 {
2692 int err;
2693 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2694 if (!dev)
2695 return NULL;
2696 dev->priv = ethdev->priv;
2697 dev->irq = ethdev->irq;
2698 dev->base_addr = ethdev->base_addr;
2699 dev->wireless_data = ethdev->wireless_data;
2700 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2701 err = register_netdev(dev);
2702 if (err<0) {
2703 free_netdev(dev);
2704 return NULL;
2705 }
2706 return dev;
2707 }
2708
2709 static int reset_card( struct net_device *dev , int lock) {
2710 struct airo_info *ai = dev->priv;
2711
2712 if (lock && down_interruptible(&ai->sem))
2713 return -1;
2714 waitbusy (ai);
2715 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2716 msleep(200);
2717 waitbusy (ai);
2718 msleep(200);
2719 if (lock)
2720 up(&ai->sem);
2721 return 0;
2722 }
2723
2724 #define AIRO_MAX_NETWORK_COUNT 64
2725 static int airo_networks_allocate(struct airo_info *ai)
2726 {
2727 if (ai->networks)
2728 return 0;
2729
2730 ai->networks =
2731 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2732 GFP_KERNEL);
2733 if (!ai->networks) {
2734 airo_print_warn(ai->dev->name, "Out of memory allocating beacons");
2735 return -ENOMEM;
2736 }
2737
2738 return 0;
2739 }
2740
2741 static void airo_networks_free(struct airo_info *ai)
2742 {
2743 if (!ai->networks)
2744 return;
2745 kfree(ai->networks);
2746 ai->networks = NULL;
2747 }
2748
2749 static void airo_networks_initialize(struct airo_info *ai)
2750 {
2751 int i;
2752
2753 INIT_LIST_HEAD(&ai->network_free_list);
2754 INIT_LIST_HEAD(&ai->network_list);
2755 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2756 list_add_tail(&ai->networks[i].list,
2757 &ai->network_free_list);
2758 }
2759
2760 static int airo_test_wpa_capable(struct airo_info *ai)
2761 {
2762 int status;
2763 CapabilityRid cap_rid;
2764 const char *name = ai->dev->name;
2765
2766 status = readCapabilityRid(ai, &cap_rid, 1);
2767 if (status != SUCCESS) return 0;
2768
2769 /* Only firmware versions 5.30.17 or better can do WPA */
2770 if ((cap_rid.softVer > 0x530)
2771 || ((cap_rid.softVer == 0x530) && (cap_rid.softSubVer >= 17))) {
2772 airo_print_info(name, "WPA is supported.");
2773 return 1;
2774 }
2775
2776 /* No WPA support */
2777 airo_print_info(name, "WPA unsupported (only firmware versions 5.30.17"
2778 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2779 return 0;
2780 }
2781
2782 static struct net_device *_init_airo_card( unsigned short irq, int port,
2783 int is_pcmcia, struct pci_dev *pci,
2784 struct device *dmdev )
2785 {
2786 struct net_device *dev;
2787 struct airo_info *ai;
2788 int i, rc;
2789
2790 /* Create the network device object. */
2791 dev = alloc_etherdev(sizeof(*ai));
2792 if (!dev) {
2793 airo_print_err("", "Couldn't alloc_etherdev");
2794 return NULL;
2795 }
2796 if (dev_alloc_name(dev, dev->name) < 0) {
2797 airo_print_err("", "Couldn't get name!");
2798 goto err_out_free;
2799 }
2800
2801 ai = dev->priv;
2802 ai->wifidev = NULL;
2803 ai->flags = 0;
2804 ai->jobs = 0;
2805 ai->dev = dev;
2806 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2807 airo_print_dbg(dev->name, "Found an MPI350 card");
2808 set_bit(FLAG_MPI, &ai->flags);
2809 }
2810 spin_lock_init(&ai->aux_lock);
2811 sema_init(&ai->sem, 1);
2812 ai->config.len = 0;
2813 ai->pci = pci;
2814 init_waitqueue_head (&ai->thr_wait);
2815 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
2816 if (IS_ERR(ai->airo_thread_task))
2817 goto err_out_free;
2818 ai->tfm = NULL;
2819 rc = add_airo_dev( dev );
2820 if (rc)
2821 goto err_out_thr;
2822
2823 if (airo_networks_allocate (ai))
2824 goto err_out_unlink;
2825 airo_networks_initialize (ai);
2826
2827 /* The Airo-specific entries in the device structure. */
2828 if (test_bit(FLAG_MPI,&ai->flags)) {
2829 skb_queue_head_init (&ai->txq);
2830 dev->hard_start_xmit = &mpi_start_xmit;
2831 } else
2832 dev->hard_start_xmit = &airo_start_xmit;
2833 dev->get_stats = &airo_get_stats;
2834 dev->set_multicast_list = &airo_set_multicast_list;
2835 dev->set_mac_address = &airo_set_mac_address;
2836 dev->do_ioctl = &airo_ioctl;
2837 dev->wireless_handlers = &airo_handler_def;
2838 ai->wireless_data.spy_data = &ai->spy_data;
2839 dev->wireless_data = &ai->wireless_data;
2840 dev->change_mtu = &airo_change_mtu;
2841 dev->open = &airo_open;
2842 dev->stop = &airo_close;
2843 dev->irq = irq;
2844 dev->base_addr = port;
2845
2846 SET_NETDEV_DEV(dev, dmdev);
2847
2848 reset_card (dev, 1);
2849 msleep(400);
2850
2851 rc = request_irq( dev->irq, airo_interrupt, IRQF_SHARED, dev->name, dev );
2852 if (rc) {
2853 airo_print_err(dev->name, "register interrupt %d failed, rc %d",
2854 irq, rc);
2855 goto err_out_unlink;
2856 }
2857 if (!is_pcmcia) {
2858 if (!request_region( dev->base_addr, 64, dev->name )) {
2859 rc = -EBUSY;
2860 airo_print_err(dev->name, "Couldn't request region");
2861 goto err_out_irq;
2862 }
2863 }
2864
2865 if (test_bit(FLAG_MPI,&ai->flags)) {
2866 if (mpi_map_card(ai, pci, dev->name)) {
2867 airo_print_err(dev->name, "Could not map memory");
2868 goto err_out_res;
2869 }
2870 }
2871
2872 if (probe) {
2873 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
2874 airo_print_err(dev->name, "MAC could not be enabled" );
2875 rc = -EIO;
2876 goto err_out_map;
2877 }
2878 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2879 ai->bap_read = fast_bap_read;
2880 set_bit(FLAG_FLASHING, &ai->flags);
2881 }
2882
2883 /* Test for WPA support */
2884 if (airo_test_wpa_capable(ai)) {
2885 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2886 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2887 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2888 ai->bssListRidLen = sizeof(BSSListRid);
2889 } else {
2890 ai->bssListFirst = RID_BSSLISTFIRST;
2891 ai->bssListNext = RID_BSSLISTNEXT;
2892 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2893 }
2894
2895 rc = register_netdev(dev);
2896 if (rc) {
2897 airo_print_err(dev->name, "Couldn't register_netdev");
2898 goto err_out_map;
2899 }
2900 ai->wifidev = init_wifidev(ai, dev);
2901
2902 set_bit(FLAG_REGISTERED,&ai->flags);
2903 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
2904 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2905 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5] );
2906
2907 /* Allocate the transmit buffers */
2908 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2909 for( i = 0; i < MAX_FIDS; i++ )
2910 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2911
2912 setup_proc_entry( dev, dev->priv ); /* XXX check for failure */
2913 netif_start_queue(dev);
2914 SET_MODULE_OWNER(dev);
2915 return dev;
2916
2917 err_out_map:
2918 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2919 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2920 iounmap(ai->pciaux);
2921 iounmap(ai->pcimem);
2922 mpi_unmap_card(ai->pci);
2923 }
2924 err_out_res:
2925 if (!is_pcmcia)
2926 release_region( dev->base_addr, 64 );
2927 err_out_irq:
2928 free_irq(dev->irq, dev);
2929 err_out_unlink:
2930 del_airo_dev(dev);
2931 err_out_thr:
2932 set_bit(JOB_DIE, &ai->jobs);
2933 kthread_stop(ai->airo_thread_task);
2934 err_out_free:
2935 free_netdev(dev);
2936 return NULL;
2937 }
2938
2939 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2940 struct device *dmdev)
2941 {
2942 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2943 }
2944
2945 EXPORT_SYMBOL(init_airo_card);
2946
2947 static int waitbusy (struct airo_info *ai) {
2948 int delay = 0;
2949 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2950 udelay (10);
2951 if ((++delay % 20) == 0)
2952 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2953 }
2954 return delay < 10000;
2955 }
2956
2957 int reset_airo_card( struct net_device *dev )
2958 {
2959 int i;
2960 struct airo_info *ai = dev->priv;
2961
2962 if (reset_card (dev, 1))
2963 return -1;
2964
2965 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2966 airo_print_err(dev->name, "MAC could not be enabled");
2967 return -1;
2968 }
2969 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
2970 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2971 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
2972 /* Allocate the transmit buffers if needed */
2973 if (!test_bit(FLAG_MPI,&ai->flags))
2974 for( i = 0; i < MAX_FIDS; i++ )
2975 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2976
2977 enable_interrupts( ai );
2978 netif_wake_queue(dev);
2979 return 0;
2980 }
2981
2982 EXPORT_SYMBOL(reset_airo_card);
2983
2984 static void airo_send_event(struct net_device *dev) {
2985 struct airo_info *ai = dev->priv;
2986 union iwreq_data wrqu;
2987 StatusRid status_rid;
2988
2989 clear_bit(JOB_EVENT, &ai->jobs);
2990 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2991 up(&ai->sem);
2992 wrqu.data.length = 0;
2993 wrqu.data.flags = 0;
2994 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2995 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2996
2997 /* Send event to user space */
2998 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2999 }
3000
3001 static void airo_process_scan_results (struct airo_info *ai) {
3002 union iwreq_data wrqu;
3003 BSSListRid bss;
3004 int rc;
3005 BSSListElement * loop_net;
3006 BSSListElement * tmp_net;
3007
3008 /* Blow away current list of scan results */
3009 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3010 list_move_tail (&loop_net->list, &ai->network_free_list);
3011 /* Don't blow away ->list, just BSS data */
3012 memset (loop_net, 0, sizeof (loop_net->bss));
3013 }
3014
3015 /* Try to read the first entry of the scan result */
3016 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3017 if((rc) || (bss.index == 0xffff)) {
3018 /* No scan results */
3019 goto out;
3020 }
3021
3022 /* Read and parse all entries */
3023 tmp_net = NULL;
3024 while((!rc) && (bss.index != 0xffff)) {
3025 /* Grab a network off the free list */
3026 if (!list_empty(&ai->network_free_list)) {
3027 tmp_net = list_entry(ai->network_free_list.next,
3028 BSSListElement, list);
3029 list_del(ai->network_free_list.next);
3030 }
3031
3032 if (tmp_net != NULL) {
3033 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3034 list_add_tail(&tmp_net->list, &ai->network_list);
3035 tmp_net = NULL;
3036 }
3037
3038 /* Read next entry */
3039 rc = PC4500_readrid(ai, ai->bssListNext,
3040 &bss, ai->bssListRidLen, 0);
3041 }
3042
3043 out:
3044 ai->scan_timeout = 0;
3045 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3046 up(&ai->sem);
3047
3048 /* Send an empty event to user space.
3049 * We don't send the received data on
3050 * the event because it would require
3051 * us to do complex transcoding, and
3052 * we want to minimise the work done in
3053 * the irq handler. Use a request to
3054 * extract the data - Jean II */
3055 wrqu.data.length = 0;
3056 wrqu.data.flags = 0;
3057 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3058 }
3059
3060 static int airo_thread(void *data) {
3061 struct net_device *dev = data;
3062 struct airo_info *ai = dev->priv;
3063 int locked;
3064
3065 while(1) {
3066 /* make swsusp happy with our thread */
3067 try_to_freeze();
3068
3069 if (test_bit(JOB_DIE, &ai->jobs))
3070 break;
3071
3072 if (ai->jobs) {
3073 locked = down_interruptible(&ai->sem);
3074 } else {
3075 wait_queue_t wait;
3076
3077 init_waitqueue_entry(&wait, current);
3078 add_wait_queue(&ai->thr_wait, &wait);
3079 for (;;) {
3080 set_current_state(TASK_INTERRUPTIBLE);
3081 if (ai->jobs)
3082 break;
3083 if (ai->expires || ai->scan_timeout) {
3084 if (ai->scan_timeout &&
3085 time_after_eq(jiffies,ai->scan_timeout)){
3086 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3087 break;
3088 } else if (ai->expires &&
3089 time_after_eq(jiffies,ai->expires)){
3090 set_bit(JOB_AUTOWEP, &ai->jobs);
3091 break;
3092 }
3093 if (!kthread_should_stop()) {
3094 unsigned long wake_at;
3095 if (!ai->expires || !ai->scan_timeout) {
3096 wake_at = max(ai->expires,
3097 ai->scan_timeout);
3098 } else {
3099 wake_at = min(ai->expires,
3100 ai->scan_timeout);
3101 }
3102 schedule_timeout(wake_at - jiffies);
3103 continue;
3104 }
3105 } else if (!kthread_should_stop()) {
3106 schedule();
3107 continue;
3108 }
3109 break;
3110 }
3111 current->state = TASK_RUNNING;
3112 remove_wait_queue(&ai->thr_wait, &wait);
3113 locked = 1;
3114 }
3115
3116 if (locked)
3117 continue;
3118
3119 if (test_bit(JOB_DIE, &ai->jobs)) {
3120 up(&ai->sem);
3121 break;
3122 }
3123
3124 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3125 up(&ai->sem);
3126 continue;
3127 }
3128
3129 if (test_bit(JOB_XMIT, &ai->jobs))
3130 airo_end_xmit(dev);
3131 else if (test_bit(JOB_XMIT11, &ai->jobs))
3132 airo_end_xmit11(dev);
3133 else if (test_bit(JOB_STATS, &ai->jobs))
3134 airo_read_stats(ai);
3135 else if (test_bit(JOB_WSTATS, &ai->jobs))
3136 airo_read_wireless_stats(ai);
3137 else if (test_bit(JOB_PROMISC, &ai->jobs))
3138 airo_set_promisc(ai);
3139 else if (test_bit(JOB_MIC, &ai->jobs))
3140 micinit(ai);
3141 else if (test_bit(JOB_EVENT, &ai->jobs))
3142 airo_send_event(dev);
3143 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3144 timer_func(dev);
3145 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3146 airo_process_scan_results(ai);
3147 else /* Shouldn't get here, but we make sure to unlock */
3148 up(&ai->sem);
3149 }
3150
3151 return 0;
3152 }
3153
3154 static irqreturn_t airo_interrupt ( int irq, void* dev_id, struct pt_regs *regs) {
3155 struct net_device *dev = (struct net_device *)dev_id;
3156 u16 status;
3157 u16 fid;
3158 struct airo_info *apriv = dev->priv;
3159 u16 savedInterrupts = 0;
3160 int handled = 0;
3161
3162 if (!netif_device_present(dev))
3163 return IRQ_NONE;
3164
3165 for (;;) {
3166 status = IN4500( apriv, EVSTAT );
3167 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3168
3169 handled = 1;
3170
3171 if ( status & EV_AWAKE ) {
3172 OUT4500( apriv, EVACK, EV_AWAKE );
3173 OUT4500( apriv, EVACK, EV_AWAKE );
3174 }
3175
3176 if (!savedInterrupts) {
3177 savedInterrupts = IN4500( apriv, EVINTEN );
3178 OUT4500( apriv, EVINTEN, 0 );
3179 }
3180
3181 if ( status & EV_MIC ) {
3182 OUT4500( apriv, EVACK, EV_MIC );
3183 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3184 set_bit(JOB_MIC, &apriv->jobs);
3185 wake_up_interruptible(&apriv->thr_wait);
3186 }
3187 }
3188 if ( status & EV_LINK ) {
3189 union iwreq_data wrqu;
3190 int scan_forceloss = 0;
3191 /* The link status has changed, if you want to put a
3192 monitor hook in, do it here. (Remember that
3193 interrupts are still disabled!)
3194 */
3195 u16 newStatus = IN4500(apriv, LINKSTAT);
3196 OUT4500( apriv, EVACK, EV_LINK);
3197 /* Here is what newStatus means: */
3198 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3199 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3200 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3201 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3202 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3203 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3204 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3205 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3206 code) */
3207 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3208 code) */
3209 #define ASSOCIATED 0x0400 /* Associated */
3210 #define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3211 #define RC_RESERVED 0 /* Reserved return code */
3212 #define RC_NOREASON 1 /* Unspecified reason */
3213 #define RC_AUTHINV 2 /* Previous authentication invalid */
3214 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3215 leaving */
3216 #define RC_NOACT 4 /* Disassociated due to inactivity */
3217 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3218 all currently associated stations */
3219 #define RC_BADCLASS2 6 /* Class 2 frame received from
3220 non-Authenticated station */
3221 #define RC_BADCLASS3 7 /* Class 3 frame received from
3222 non-Associated station */
3223 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3224 leaving BSS */
3225 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3226 Authenticated with the responding station */
3227 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3228 scan_forceloss = 1;
3229 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
3230 if (auto_wep)
3231 apriv->expires = 0;
3232 if (apriv->list_bss_task)
3233 wake_up_process(apriv->list_bss_task);
3234 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3235 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
3236
3237 if (down_trylock(&apriv->sem) != 0) {
3238 set_bit(JOB_EVENT, &apriv->jobs);
3239 wake_up_interruptible(&apriv->thr_wait);
3240 } else
3241 airo_send_event(dev);
3242 } else if (!scan_forceloss) {
3243 if (auto_wep && !apriv->expires) {
3244 apriv->expires = RUN_AT(3*HZ);
3245 wake_up_interruptible(&apriv->thr_wait);
3246 }
3247
3248 /* Send event to user space */
3249 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3250 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3251 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3252 }
3253 }
3254
3255 /* Check to see if there is something to receive */
3256 if ( status & EV_RX ) {
3257 struct sk_buff *skb = NULL;
3258 u16 fc, len, hdrlen = 0;
3259 #pragma pack(1)
3260 struct {
3261 u16 status, len;
3262 u8 rssi[2];
3263 u8 rate;
3264 u8 freq;
3265 u16 tmp[4];
3266 } hdr;
3267 #pragma pack()
3268 u16 gap;
3269 u16 tmpbuf[4];
3270 u16 *buffer;
3271
3272 if (test_bit(FLAG_MPI,&apriv->flags)) {
3273 if (test_bit(FLAG_802_11, &apriv->flags))
3274 mpi_receive_802_11(apriv);
3275 else
3276 mpi_receive_802_3(apriv);
3277 OUT4500(apriv, EVACK, EV_RX);
3278 goto exitrx;
3279 }
3280
3281 fid = IN4500( apriv, RXFID );
3282
3283 /* Get the packet length */
3284 if (test_bit(FLAG_802_11, &apriv->flags)) {
3285 bap_setup (apriv, fid, 4, BAP0);
3286 bap_read (apriv, (u16*)&hdr, sizeof(hdr), BAP0);
3287 /* Bad CRC. Ignore packet */
3288 if (le16_to_cpu(hdr.status) & 2)
3289 hdr.len = 0;
3290 if (apriv->wifidev == NULL)
3291 hdr.len = 0;
3292 } else {
3293 bap_setup (apriv, fid, 0x36, BAP0);
3294 bap_read (apriv, (u16*)&hdr.len, 2, BAP0);
3295 }
3296 len = le16_to_cpu(hdr.len);
3297
3298 if (len > AIRO_DEF_MTU) {
3299 airo_print_err(apriv->dev->name, "Bad size %d", len);
3300 goto badrx;
3301 }
3302 if (len == 0)
3303 goto badrx;
3304
3305 if (test_bit(FLAG_802_11, &apriv->flags)) {
3306 bap_read (apriv, (u16*)&fc, sizeof(fc), BAP0);
3307 fc = le16_to_cpu(fc);
3308 switch (fc & 0xc) {
3309 case 4:
3310 if ((fc & 0xe0) == 0xc0)
3311 hdrlen = 10;
3312 else
3313 hdrlen = 16;
3314 break;
3315 case 8:
3316 if ((fc&0x300)==0x300){
3317 hdrlen = 30;
3318 break;
3319 }
3320 default:
3321 hdrlen = 24;
3322 }
3323 } else
3324 hdrlen = ETH_ALEN * 2;
3325
3326 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3327 if ( !skb ) {
3328 apriv->stats.rx_dropped++;
3329 goto badrx;
3330 }
3331 skb_reserve(skb, 2); /* This way the IP header is aligned */
3332 buffer = (u16*)skb_put (skb, len + hdrlen);
3333 if (test_bit(FLAG_802_11, &apriv->flags)) {
3334 buffer[0] = fc;
3335 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3336 if (hdrlen == 24)
3337 bap_read (apriv, tmpbuf, 6, BAP0);
3338
3339 bap_read (apriv, &gap, sizeof(gap), BAP0);
3340 gap = le16_to_cpu(gap);
3341 if (gap) {
3342 if (gap <= 8) {
3343 bap_read (apriv, tmpbuf, gap, BAP0);
3344 } else {
3345 airo_print_err(apriv->dev->name, "gaplen too "
3346 "big. Problems will follow...");
3347 }
3348 }
3349 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3350 } else {
3351 MICBuffer micbuf;
3352 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
3353 if (apriv->micstats.enabled) {
3354 bap_read (apriv,(u16*)&micbuf,sizeof(micbuf),BAP0);
3355 if (ntohs(micbuf.typelen) > 0x05DC)
3356 bap_setup (apriv, fid, 0x44, BAP0);
3357 else {
3358 if (len <= sizeof(micbuf))
3359 goto badmic;
3360
3361 len -= sizeof(micbuf);
3362 skb_trim (skb, len + hdrlen);
3363 }
3364 }
3365 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
3366 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3367 badmic:
3368 dev_kfree_skb_irq (skb);
3369 badrx:
3370 OUT4500( apriv, EVACK, EV_RX);
3371 goto exitrx;
3372 }
3373 }
3374 #ifdef WIRELESS_SPY
3375 if (apriv->spy_data.spy_number > 0) {
3376 char *sa;
3377 struct iw_quality wstats;
3378 /* Prepare spy data : addr + qual */
3379 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3380 sa = (char*)buffer + 6;
3381 bap_setup (apriv, fid, 8, BAP0);
3382 bap_read (apriv, (u16*)hdr.rssi, 2, BAP0);
3383 } else
3384 sa = (char*)buffer + 10;
3385 wstats.qual = hdr.rssi[0];
3386 if (apriv->rssi)
3387 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3388 else
3389 wstats.level = (hdr.rssi[1] + 321) / 2;
3390 wstats.noise = apriv->wstats.qual.noise;
3391 wstats.updated = IW_QUAL_LEVEL_UPDATED
3392 | IW_QUAL_QUAL_UPDATED
3393 | IW_QUAL_DBM;
3394 /* Update spy records */
3395 wireless_spy_update(dev, sa, &wstats);
3396 }
3397 #endif /* WIRELESS_SPY */
3398 OUT4500( apriv, EVACK, EV_RX);
3399
3400 if (test_bit(FLAG_802_11, &apriv->flags)) {
3401 skb->mac.raw = skb->data;
3402 skb->pkt_type = PACKET_OTHERHOST;
3403 skb->dev = apriv->wifidev;
3404 skb->protocol = htons(ETH_P_802_2);
3405 } else {
3406 skb->dev = dev;
3407 skb->protocol = eth_type_trans(skb,dev);
3408 }
3409 skb->dev->last_rx = jiffies;
3410 skb->ip_summed = CHECKSUM_NONE;
3411
3412 netif_rx( skb );
3413 }
3414 exitrx:
3415
3416 /* Check to see if a packet has been transmitted */
3417 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3418 int i;
3419 int len = 0;
3420 int index = -1;
3421
3422 if (test_bit(FLAG_MPI,&apriv->flags)) {
3423 unsigned long flags;
3424
3425 if (status & EV_TXEXC)
3426 get_tx_error(apriv, -1);
3427 spin_lock_irqsave(&apriv->aux_lock, flags);
3428 if (!skb_queue_empty(&apriv->txq)) {
3429 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3430 mpi_send_packet (dev);
3431 } else {
3432 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3433 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3434 netif_wake_queue (dev);
3435 }
3436 OUT4500( apriv, EVACK,
3437 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3438 goto exittx;
3439 }
3440
3441 fid = IN4500(apriv, TXCOMPLFID);
3442
3443 for( i = 0; i < MAX_FIDS; i++ ) {
3444 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3445 len = apriv->fids[i] >> 16;
3446 index = i;
3447 }
3448 }
3449 if (index != -1) {
3450 if (status & EV_TXEXC)
3451 get_tx_error(apriv, index);
3452 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3453 /* Set up to be used again */
3454 apriv->fids[index] &= 0xffff;
3455 if (index < MAX_FIDS / 2) {
3456 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3457 netif_wake_queue(dev);
3458 } else {
3459 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3460 netif_wake_queue(apriv->wifidev);
3461 }
3462 } else {
3463 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3464 airo_print_err(apriv->dev->name, "Unallocated FID was "
3465 "used to xmit" );
3466 }
3467 }
3468 exittx:
3469 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
3470 airo_print_warn(apriv->dev->name, "Got weird status %x",
3471 status & ~STATUS_INTS & ~IGNORE_INTS );
3472 }
3473
3474 if (savedInterrupts)
3475 OUT4500( apriv, EVINTEN, savedInterrupts );
3476
3477 /* done.. */
3478 return IRQ_RETVAL(handled);
3479 }
3480
3481 /*
3482 * Routines to talk to the card
3483 */
3484
3485 /*
3486 * This was originally written for the 4500, hence the name
3487 * NOTE: If use with 8bit mode and SMP bad things will happen!
3488 * Why would some one do 8 bit IO in an SMP machine?!?
3489 */
3490 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3491 if (test_bit(FLAG_MPI,&ai->flags))
3492 reg <<= 1;
3493 if ( !do8bitIO )
3494 outw( val, ai->dev->base_addr + reg );
3495 else {
3496 outb( val & 0xff, ai->dev->base_addr + reg );
3497 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3498 }
3499 }
3500
3501 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3502 unsigned short rc;
3503
3504 if (test_bit(FLAG_MPI,&ai->flags))
3505 reg <<= 1;
3506 if ( !do8bitIO )
3507 rc = inw( ai->dev->base_addr + reg );
3508 else {
3509 rc = inb( ai->dev->base_addr + reg );
3510 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3511 }
3512 return rc;
3513 }
3514
3515 static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock ) {
3516 int rc;
3517 Cmd cmd;
3518
3519 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3520 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3521 * Note : we could try to use !netif_running(dev) in enable_MAC()
3522 * instead of this flag, but I don't trust it *within* the
3523 * open/close functions, and testing both flags together is
3524 * "cheaper" - Jean II */
3525 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3526
3527 if (lock && down_interruptible(&ai->sem))
3528 return -ERESTARTSYS;
3529
3530 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3531 memset(&cmd, 0, sizeof(cmd));
3532 cmd.cmd = MAC_ENABLE;
3533 rc = issuecommand(ai, &cmd, rsp);
3534 if (rc == SUCCESS)
3535 set_bit(FLAG_ENABLED, &ai->flags);
3536 } else
3537 rc = SUCCESS;
3538
3539 if (lock)
3540 up(&ai->sem);
3541
3542 if (rc)
3543 airo_print_err(ai->dev->name, "%s: Cannot enable MAC, err=%d",
3544 __FUNCTION__, rc);
3545 return rc;
3546 }
3547
3548 static void disable_MAC( struct airo_info *ai, int lock ) {
3549 Cmd cmd;
3550 Resp rsp;
3551
3552 if (lock && down_interruptible(&ai->sem))
3553 return;
3554
3555 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3556 memset(&cmd, 0, sizeof(cmd));
3557 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3558 issuecommand(ai, &cmd, &rsp);
3559 clear_bit(FLAG_ENABLED, &ai->flags);
3560 }
3561 if (lock)
3562 up(&ai->sem);
3563 }
3564
3565 static void enable_interrupts( struct airo_info *ai ) {
3566 /* Enable the interrupts */
3567 OUT4500( ai, EVINTEN, STATUS_INTS );
3568 }
3569
3570 static void disable_interrupts( struct airo_info *ai ) {
3571 OUT4500( ai, EVINTEN, 0 );
3572 }
3573
3574 static void mpi_receive_802_3(struct airo_info *ai)
3575 {
3576 RxFid rxd;
3577 int len = 0;
3578 struct sk_buff *skb;
3579 char *buffer;
3580 int off = 0;
3581 MICBuffer micbuf;
3582
3583 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3584 /* Make sure we got something */
3585 if (rxd.rdy && rxd.valid == 0) {
3586 len = rxd.len + 12;
3587 if (len < 12 || len > 2048)
3588 goto badrx;
3589
3590 skb = dev_alloc_skb(len);
3591 if (!skb) {
3592 ai->stats.rx_dropped++;
3593 goto badrx;
3594 }
3595 buffer = skb_put(skb,len);
3596 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3597 if (ai->micstats.enabled) {
3598 memcpy(&micbuf,
3599 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3600 sizeof(micbuf));
3601 if (ntohs(micbuf.typelen) <= 0x05DC) {
3602 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3603 goto badmic;
3604
3605 off = sizeof(micbuf);
3606 skb_trim (skb, len - off);
3607 }
3608 }
3609 memcpy(buffer + ETH_ALEN * 2,
3610 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3611 len - ETH_ALEN * 2 - off);
3612 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3613 badmic:
3614 dev_kfree_skb_irq (skb);
3615 goto badrx;
3616 }
3617 #ifdef WIRELESS_SPY
3618 if (ai->spy_data.spy_number > 0) {
3619 char *sa;
3620 struct iw_quality wstats;
3621 /* Prepare spy data : addr + qual */
3622 sa = buffer + ETH_ALEN;
3623 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3624 wstats.level = 0;
3625 wstats.updated = 0;
3626 /* Update spy records */
3627 wireless_spy_update(ai->dev, sa, &wstats);
3628 }
3629 #endif /* WIRELESS_SPY */
3630
3631 skb->dev = ai->dev;
3632 skb->ip_summed = CHECKSUM_NONE;
3633 skb->protocol = eth_type_trans(skb, ai->dev);
3634 skb->dev->last_rx = jiffies;
3635 netif_rx(skb);
3636 }
3637 badrx:
3638 if (rxd.valid == 0) {
3639 rxd.valid = 1;
3640 rxd.rdy = 0;
3641 rxd.len = PKTSIZE;
3642 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3643 }
3644 }
3645
3646 void mpi_receive_802_11 (struct airo_info *ai)
3647 {
3648 RxFid rxd;
3649 struct sk_buff *skb = NULL;
3650 u16 fc, len, hdrlen = 0;
3651 #pragma pack(1)
3652 struct {
3653 u16 status, len;
3654 u8 rssi[2];
3655 u8 rate;
3656 u8 freq;
3657 u16 tmp[4];
3658 } hdr;
3659 #pragma pack()
3660 u16 gap;
3661 u16 *buffer;
3662 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3663
3664 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3665 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3666 ptr += sizeof(hdr);
3667 /* Bad CRC. Ignore packet */
3668 if (le16_to_cpu(hdr.status) & 2)
3669 hdr.len = 0;
3670 if (ai->wifidev == NULL)
3671 hdr.len = 0;
3672 len = le16_to_cpu(hdr.len);
3673 if (len > AIRO_DEF_MTU) {
3674 airo_print_err(ai->dev->name, "Bad size %d", len);
3675 goto badrx;
3676 }
3677 if (len == 0)
3678 goto badrx;
3679
3680 memcpy ((char *)&fc, ptr, sizeof(fc));
3681 fc = le16_to_cpu(fc);
3682 switch (fc & 0xc) {
3683 case 4:
3684 if ((fc & 0xe0) == 0xc0)
3685 hdrlen = 10;
3686 else
3687 hdrlen = 16;
3688 break;
3689 case 8:
3690 if ((fc&0x300)==0x300){
3691 hdrlen = 30;
3692 break;
3693 }
3694 default:
3695 hdrlen = 24;
3696 }
3697
3698 skb = dev_alloc_skb( len + hdrlen + 2 );
3699 if ( !skb ) {
3700 ai->stats.rx_dropped++;
3701 goto badrx;
3702 }
3703 buffer = (u16*)skb_put (skb, len + hdrlen);
3704 memcpy ((char *)buffer, ptr, hdrlen);
3705 ptr += hdrlen;
3706 if (hdrlen == 24)
3707 ptr += 6;
3708 memcpy ((char *)&gap, ptr, sizeof(gap));
3709 ptr += sizeof(gap);
3710 gap = le16_to_cpu(gap);
3711 if (gap) {
3712 if (gap <= 8)
3713 ptr += gap;
3714 else
3715 airo_print_err(ai->dev->name,
3716 "gaplen too big. Problems will follow...");
3717 }
3718 memcpy ((char *)buffer + hdrlen, ptr, len);
3719 ptr += len;
3720 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3721 if (ai->spy_data.spy_number > 0) {
3722 char *sa;
3723 struct iw_quality wstats;
3724 /* Prepare spy data : addr + qual */
3725 sa = (char*)buffer + 10;
3726 wstats.qual = hdr.rssi[0];
3727 if (ai->rssi)
3728 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3729 else
3730 wstats.level = (hdr.rssi[1] + 321) / 2;
3731 wstats.noise = ai->wstats.qual.noise;
3732 wstats.updated = IW_QUAL_QUAL_UPDATED
3733 | IW_QUAL_LEVEL_UPDATED
3734 | IW_QUAL_DBM;
3735 /* Update spy records */
3736 wireless_spy_update(ai->dev, sa, &wstats);
3737 }
3738 #endif /* IW_WIRELESS_SPY */
3739 skb->mac.raw = skb->data;
3740 skb->pkt_type = PACKET_OTHERHOST;
3741 skb->dev = ai->wifidev;
3742 skb->protocol = htons(ETH_P_802_2);
3743 skb->dev->last_rx = jiffies;
3744 skb->ip_summed = CHECKSUM_NONE;
3745 netif_rx( skb );
3746 badrx:
3747 if (rxd.valid == 0) {
3748 rxd.valid = 1;
3749 rxd.rdy = 0;
3750 rxd.len = PKTSIZE;
3751 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3752 }
3753 }
3754
3755 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3756 {
3757 Cmd cmd;
3758 Resp rsp;
3759 int status;
3760 int i;
3761 SsidRid mySsid;
3762 u16 lastindex;
3763 WepKeyRid wkr;
3764 int rc;
3765
3766 memset( &mySsid, 0, sizeof( mySsid ) );
3767 kfree (ai->flash);
3768 ai->flash = NULL;
3769
3770 /* The NOP is the first step in getting the card going */
3771 cmd.cmd = NOP;
3772 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3773 if (lock && down_interruptible(&ai->sem))
3774 return ERROR;
3775 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3776 if (lock)
3777 up(&ai->sem);
3778 return ERROR;
3779 }
3780 disable_MAC( ai, 0);
3781
3782 // Let's figure out if we need to use the AUX port
3783 if (!test_bit(FLAG_MPI,&ai->flags)) {
3784 cmd.cmd = CMD_ENABLEAUX;
3785 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3786 if (lock)
3787 up(&ai->sem);
3788 airo_print_err(ai->dev->name, "Error checking for AUX port");
3789 return ERROR;
3790 }
3791 if (!aux_bap || rsp.status & 0xff00) {
3792 ai->bap_read = fast_bap_read;
3793 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3794 } else {
3795 ai->bap_read = aux_bap_read;
3796 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3797 }
3798 }
3799 if (lock)
3800 up(&ai->sem);
3801 if (ai->config.len == 0) {
3802 tdsRssiRid rssi_rid;
3803 CapabilityRid cap_rid;
3804
3805 kfree(ai->APList);
3806 ai->APList = NULL;
3807 kfree(ai->SSID);
3808 ai->SSID = NULL;
3809 // general configuration (read/modify/write)
3810 status = readConfigRid(ai, lock);
3811 if ( status != SUCCESS ) return ERROR;
3812
3813 status = readCapabilityRid(ai, &cap_rid, lock);
3814 if ( status != SUCCESS ) return ERROR;
3815
3816 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3817 if ( status == SUCCESS ) {
3818 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3819 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3820 }
3821 else {
3822 kfree(ai->rssi);
3823 ai->rssi = NULL;
3824 if (cap_rid.softCap & 8)
3825 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3826 else
3827 airo_print_warn(ai->dev->name, "unknown received signal "
3828 "level scale");
3829 }
3830 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3831 ai->config.authType = AUTH_OPEN;
3832 ai->config.modulation = MOD_CCK;
3833
3834 if ((cap_rid.len>=sizeof(cap_rid)) && (cap_rid.extSoftCap&1) &&
3835 (micsetup(ai) == SUCCESS)) {
3836 ai->config.opmode |= MODE_MIC;
3837 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3838 }
3839
3840 /* Save off the MAC */
3841 for( i = 0; i < ETH_ALEN; i++ ) {
3842 mac[i] = ai->config.macAddr[i];
3843 }
3844
3845 /* Check to see if there are any insmod configured
3846 rates to add */
3847 if ( rates[0] ) {
3848 int i = 0;
3849 memset(ai->config.rates,0,sizeof(ai->config.rates));
3850 for( i = 0; i < 8 && rates[i]; i++ ) {
3851 ai->config.rates[i] = rates[i];
3852 }
3853 }
3854 if ( basic_rate > 0 ) {
3855 int i;
3856 for( i = 0; i < 8; i++ ) {
3857 if ( ai->config.rates[i] == basic_rate ||
3858 !ai->config.rates ) {
3859 ai->config.rates[i] = basic_rate | 0x80;
3860 break;
3861 }
3862 }
3863 }
3864 set_bit (FLAG_COMMIT, &ai->flags);
3865 }
3866
3867 /* Setup the SSIDs if present */
3868 if ( ssids[0] ) {
3869 int i;
3870 for( i = 0; i < 3 && ssids[i]; i++ ) {
3871 mySsid.ssids[i].len = strlen(ssids[i]);
3872 if ( mySsid.ssids[i].len > 32 )
3873 mySsid.ssids[i].len = 32;
3874 memcpy(mySsid.ssids[i].ssid, ssids[i],
3875 mySsid.ssids[i].len);
3876 }
3877 mySsid.len = sizeof(mySsid);
3878 }
3879
3880 status = writeConfigRid(ai, lock);
3881 if ( status != SUCCESS ) return ERROR;
3882
3883 /* Set up the SSID list */
3884 if ( ssids[0] ) {
3885 status = writeSsidRid(ai, &mySsid, lock);
3886 if ( status != SUCCESS ) return ERROR;
3887 }
3888
3889 status = enable_MAC(ai, &rsp, lock);
3890 if ( status != SUCCESS || (rsp.status & 0xFF00) != 0) {
3891 airo_print_err(ai->dev->name, "Bad MAC enable reason = %x, rid = %x,"
3892 " offset = %d", rsp.rsp0, rsp.rsp1, rsp.rsp2 );
3893 return ERROR;
3894 }
3895
3896 /* Grab the initial wep key, we gotta save it for auto_wep */
3897 rc = readWepKeyRid(ai, &wkr, 1, lock);
3898 if (rc == SUCCESS) do {
3899 lastindex = wkr.kindex;
3900 if (wkr.kindex == 0xffff) {
3901 ai->defindex = wkr.mac[0];
3902 }
3903 rc = readWepKeyRid(ai, &wkr, 0, lock);
3904 } while(lastindex != wkr.kindex);
3905
3906 if (auto_wep) {
3907 ai->expires = RUN_AT(3*HZ);
3908 wake_up_interruptible(&ai->thr_wait);
3909 }
3910
3911 return SUCCESS;
3912 }
3913
3914 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3915 // Im really paranoid about letting it run forever!
3916 int max_tries = 600000;
3917
3918 if (IN4500(ai, EVSTAT) & EV_CMD)
3919 OUT4500(ai, EVACK, EV_CMD);
3920
3921 OUT4500(ai, PARAM0, pCmd->parm0);
3922 OUT4500(ai, PARAM1, pCmd->parm1);
3923 OUT4500(ai, PARAM2, pCmd->parm2);
3924 OUT4500(ai, COMMAND, pCmd->cmd);
3925
3926 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3927 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3928 // PC4500 didn't notice command, try again
3929 OUT4500(ai, COMMAND, pCmd->cmd);
3930 if (!in_atomic() && (max_tries & 255) == 0)
3931 schedule();
3932 }
3933
3934 if ( max_tries == -1 ) {
3935 airo_print_err(ai->dev->name,
3936 "Max tries exceeded when issueing command");
3937 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3938 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3939 return ERROR;
3940 }
3941
3942 // command completed
3943 pRsp->status = IN4500(ai, STATUS);
3944 pRsp->rsp0 = IN4500(ai, RESP0);
3945 pRsp->rsp1 = IN4500(ai, RESP1);
3946 pRsp->rsp2 = IN4500(ai, RESP2);
3947 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3948 airo_print_err(ai->dev->name,
3949 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3950 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3951 pRsp->rsp2);
3952
3953 // clear stuck command busy if necessary
3954 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3955 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3956 }
3957 // acknowledge processing the status/response
3958 OUT4500(ai, EVACK, EV_CMD);
3959
3960 return SUCCESS;
3961 }
3962
3963 /* Sets up the bap to start exchange data. whichbap should
3964 * be one of the BAP0 or BAP1 defines. Locks should be held before
3965 * calling! */
3966 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3967 {
3968 int timeout = 50;
3969 int max_tries = 3;
3970
3971 OUT4500(ai, SELECT0+whichbap, rid);
3972 OUT4500(ai, OFFSET0+whichbap, offset);
3973 while (1) {
3974 int status = IN4500(ai, OFFSET0+whichbap);
3975 if (status & BAP_BUSY) {
3976 /* This isn't really a timeout, but its kinda
3977 close */
3978 if (timeout--) {
3979 continue;
3980 }
3981 } else if ( status & BAP_ERR ) {
3982 /* invalid rid or offset */
3983 airo_print_err(ai->dev->name, "BAP error %x %d",
3984 status, whichbap );
3985 return ERROR;
3986 } else if (status & BAP_DONE) { // success
3987 return SUCCESS;
3988 }
3989 if ( !(max_tries--) ) {
3990 airo_print_err(ai->dev->name,
3991 "airo: BAP setup error too many retries\n");
3992 return ERROR;
3993 }
3994 // -- PC4500 missed it, try again
3995 OUT4500(ai, SELECT0+whichbap, rid);
3996 OUT4500(ai, OFFSET0+whichbap, offset);
3997 timeout = 50;
3998 }
3999 }
4000
4001 /* should only be called by aux_bap_read. This aux function and the
4002 following use concepts not documented in the developers guide. I
4003 got them from a patch given to my by Aironet */
4004 static u16 aux_setup(struct airo_info *ai, u16 page,
4005 u16 offset, u16 *len)
4006 {
4007 u16 next;
4008
4009 OUT4500(ai, AUXPAGE, page);
4010 OUT4500(ai, AUXOFF, 0);
4011 next = IN4500(ai, AUXDATA);
4012 *len = IN4500(ai, AUXDATA)&0xff;
4013 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4014 return next;
4015 }
4016
4017 /* requires call to bap_setup() first */
4018 static int aux_bap_read(struct airo_info *ai, u16 *pu16Dst,
4019 int bytelen, int whichbap)
4020 {
4021 u16 len;
4022 u16 page;
4023 u16 offset;
4024 u16 next;
4025 int words;
4026 int i;
4027 unsigned long flags;
4028
4029 spin_lock_irqsave(&ai->aux_lock, flags);
4030 page = IN4500(ai, SWS0+whichbap);
4031 offset = IN4500(ai, SWS2+whichbap);
4032 next = aux_setup(ai, page, offset, &len);
4033 words = (bytelen+1)>>1;
4034
4035 for (i=0; i<words;) {
4036 int count;
4037 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4038 if ( !do8bitIO )
4039 insw( ai->dev->base_addr+DATA0+whichbap,
4040 pu16Dst+i,count );
4041 else
4042 insb( ai->dev->base_addr+DATA0+whichbap,
4043 pu16Dst+i, count << 1 );
4044 i += count;
4045 if (i<words) {
4046 next = aux_setup(ai, next, 4, &len);
4047 }
4048 }
4049 spin_unlock_irqrestore(&ai->aux_lock, flags);
4050 return SUCCESS;
4051 }
4052
4053
4054 /* requires call to bap_setup() first */
4055 static int fast_bap_read(struct airo_info *ai, u16 *pu16Dst,
4056 int bytelen, int whichbap)
4057 {
4058 bytelen = (bytelen + 1) & (~1); // round up to even value
4059 if ( !do8bitIO )
4060 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4061 else
4062 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4063 return SUCCESS;
4064 }
4065
4066 /* requires call to bap_setup() first */
4067 static int bap_write(struct airo_info *ai, const u16 *pu16Src,
4068 int bytelen, int whichbap)
4069 {
4070 bytelen = (bytelen + 1) & (~1); // round up to even value
4071 if ( !do8bitIO )
4072 outsw( ai->dev->base_addr+DATA0+whichbap,
4073 pu16Src, bytelen>>1 );
4074 else
4075 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4076 return SUCCESS;
4077 }
4078
4079 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4080 {
4081 Cmd cmd; /* for issuing commands */
4082 Resp rsp; /* response from commands */
4083 u16 status;
4084
4085 memset(&cmd, 0, sizeof(cmd));
4086 cmd.cmd = accmd;
4087 cmd.parm0 = rid;
4088 status = issuecommand(ai, &cmd, &rsp);
4089 if (status != 0) return status;
4090 if ( (rsp.status & 0x7F00) != 0) {
4091 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4092 }
4093 return 0;
4094 }
4095
4096 /* Note, that we are using BAP1 which is also used by transmit, so
4097 * we must get a lock. */
4098 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4099 {
4100 u16 status;
4101 int rc = SUCCESS;
4102
4103 if (lock) {
4104 if (down_interruptible(&ai->sem))
4105 return ERROR;
4106 }
4107 if (test_bit(FLAG_MPI,&ai->flags)) {
4108 Cmd cmd;
4109 Resp rsp;
4110
4111 memset(&cmd, 0, sizeof(cmd));
4112 memset(&rsp, 0, sizeof(rsp));
4113 ai->config_desc.rid_desc.valid = 1;
4114 ai->config_desc.rid_desc.len = RIDSIZE;
4115 ai->config_desc.rid_desc.rid = 0;
4116 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4117
4118 cmd.cmd = CMD_ACCESS;
4119 cmd.parm0 = rid;
4120
4121 memcpy_toio(ai->config_desc.card_ram_off,
4122 &ai->config_desc.rid_desc, sizeof(Rid));
4123
4124 rc = issuecommand(ai, &cmd, &rsp);
4125
4126 if (rsp.status & 0x7f00)
4127 rc = rsp.rsp0;
4128 if (!rc)
4129 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4130 goto done;
4131 } else {
4132 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4133 rc = status;
4134 goto done;
4135 }
4136 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4137 rc = ERROR;
4138 goto done;
4139 }
4140 // read the rid length field
4141 bap_read(ai, pBuf, 2, BAP1);
4142 // length for remaining part of rid
4143 len = min(len, (int)le16_to_cpu(*(u16*)pBuf)) - 2;
4144
4145 if ( len <= 2 ) {
4146 airo_print_err(ai->dev->name,
4147 "Rid %x has a length of %d which is too short",
4148 (int)rid, (int)len );
4149 rc = ERROR;
4150 goto done;
4151 }
4152 // read remainder of the rid
4153 rc = bap_read(ai, ((u16*)pBuf)+1, len, BAP1);
4154 }
4155 done:
4156 if (lock)
4157 up(&ai->sem);
4158 return rc;
4159 }
4160
4161 /* Note, that we are using BAP1 which is also used by transmit, so
4162 * make sure this isnt called when a transmit is happening */
4163 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4164 const void *pBuf, int len, int lock)
4165 {
4166 u16 status;
4167 int rc = SUCCESS;
4168
4169 *(u16*)pBuf = cpu_to_le16((u16)len);
4170
4171 if (lock) {
4172 if (down_interruptible(&ai->sem))
4173 return ERROR;
4174 }
4175 if (test_bit(FLAG_MPI,&ai->flags)) {
4176 Cmd cmd;
4177 Resp rsp;
4178
4179 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4180 airo_print_err(ai->dev->name,
4181 "%s: MAC should be disabled (rid=%04x)",
4182 __FUNCTION__, rid);
4183 memset(&cmd, 0, sizeof(cmd));
4184 memset(&rsp, 0, sizeof(rsp));
4185
4186 ai->config_desc.rid_desc.valid = 1;
4187 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4188 ai->config_desc.rid_desc.rid = 0;
4189
4190 cmd.cmd = CMD_WRITERID;
4191 cmd.parm0 = rid;
4192
4193 memcpy_toio(ai->config_desc.card_ram_off,
4194 &ai->config_desc.rid_desc, sizeof(Rid));
4195
4196 if (len < 4 || len > 2047) {
4197 airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
4198 rc = -1;
4199 } else {
4200 memcpy((char *)ai->config_desc.virtual_host_addr,
4201 pBuf, len);
4202
4203 rc = issuecommand(ai, &cmd, &rsp);
4204 if ((rc & 0xff00) != 0) {
4205 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4206 __FUNCTION__, rc);
4207 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4208 __FUNCTION__, cmd.cmd);
4209 }
4210
4211 if ((rsp.status & 0x7f00))
4212 rc = rsp.rsp0;
4213 }
4214 } else {
4215 // --- first access so that we can write the rid data
4216 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4217 rc = status;
4218 goto done;
4219 }
4220 // --- now write the rid data
4221 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4222 rc = ERROR;
4223 goto done;
4224 }
4225 bap_write(ai, pBuf, len, BAP1);
4226 // ---now commit the rid data
4227 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4228 }
4229 done:
4230 if (lock)
4231 up(&ai->sem);
4232 return rc;
4233 }
4234
4235 /* Allocates a FID to be used for transmitting packets. We only use
4236 one for now. */
4237 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4238 {
4239 unsigned int loop = 3000;
4240 Cmd cmd;
4241 Resp rsp;
4242 u16 txFid;
4243 u16 txControl;
4244
4245 cmd.cmd = CMD_ALLOCATETX;
4246 cmd.parm0 = lenPayload;
4247 if (down_interruptible(&ai->sem))
4248 return ERROR;
4249 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4250 txFid = ERROR;
4251 goto done;
4252 }
4253 if ( (rsp.status & 0xFF00) != 0) {
4254 txFid = ERROR;
4255 goto done;
4256 }
4257 /* wait for the allocate event/indication
4258 * It makes me kind of nervous that this can just sit here and spin,
4259 * but in practice it only loops like four times. */
4260 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4261 if (!loop) {
4262 txFid = ERROR;
4263 goto done;
4264 }
4265
4266 // get the allocated fid and acknowledge
4267 txFid = IN4500(ai, TXALLOCFID);
4268 OUT4500(ai, EVACK, EV_ALLOC);
4269
4270 /* The CARD is pretty cool since it converts the ethernet packet
4271 * into 802.11. Also note that we don't release the FID since we
4272 * will be using the same one over and over again. */
4273 /* We only have to setup the control once since we are not
4274 * releasing the fid. */
4275 if (raw)
4276 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4277 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4278 else
4279 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4280 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4281 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4282 txFid = ERROR;
4283 else
4284 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4285
4286 done:
4287 up(&ai->sem);
4288
4289 return txFid;
4290 }
4291
4292 /* In general BAP1 is dedicated to transmiting packets. However,
4293 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4294 Make sure the BAP1 spinlock is held when this is called. */
4295 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4296 {
4297 u16 payloadLen;
4298 Cmd cmd;
4299 Resp rsp;
4300 int miclen = 0;
4301 u16 txFid = len;
4302 MICBuffer pMic;
4303
4304 len >>= 16;
4305
4306 if (len <= ETH_ALEN * 2) {
4307 airo_print_warn(ai->dev->name, "Short packet %d", len);
4308 return ERROR;
4309 }
4310 len -= ETH_ALEN * 2;
4311
4312 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4313 (ntohs(((u16 *)pPacket)[6]) != 0x888E)) {
4314 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4315 return ERROR;
4316 miclen = sizeof(pMic);
4317 }
4318 // packet is destination[6], source[6], payload[len-12]
4319 // write the payload length and dst/src/payload
4320 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4321 /* The hardware addresses aren't counted as part of the payload, so
4322 * we have to subtract the 12 bytes for the addresses off */
4323 payloadLen = cpu_to_le16(len + miclen);
4324 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4325 bap_write(ai, (const u16*)pPacket, sizeof(etherHead), BAP1);
4326 if (miclen)
4327 bap_write(ai, (const u16*)&pMic, miclen, BAP1);
4328 bap_write(ai, (const u16*)(pPacket + sizeof(etherHead)), len, BAP1);
4329 // issue the transmit command
4330 memset( &cmd, 0, sizeof( cmd ) );
4331 cmd.cmd = CMD_TRANSMIT;
4332 cmd.parm0 = txFid;
4333 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4334 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4335 return SUCCESS;
4336 }
4337
4338 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4339 {
4340 u16 fc, payloadLen;
4341 Cmd cmd;
4342 Resp rsp;
4343 int hdrlen;
4344 struct {
4345 u8 addr4[ETH_ALEN];
4346 u16 gaplen;
4347 u8 gap[6];
4348 } gap;
4349 u16 txFid = len;
4350 len >>= 16;
4351 gap.gaplen = 6;
4352
4353 fc = le16_to_cpu(*(const u16*)pPacket);
4354 switch (fc & 0xc) {
4355 case 4:
4356 if ((fc & 0xe0) == 0xc0)
4357 hdrlen = 10;
4358 else
4359 hdrlen = 16;
4360 break;
4361 case 8:
4362 if ((fc&0x300)==0x300){
4363 hdrlen = 30;
4364 break;
4365 }
4366 default:
4367 hdrlen = 24;
4368 }
4369
4370 if (len < hdrlen) {
4371 airo_print_warn(ai->dev->name, "Short packet %d", len);
4372 return ERROR;
4373 }
4374
4375 /* packet is 802.11 header + payload
4376 * write the payload length and dst/src/payload */
4377 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4378 /* The 802.11 header aren't counted as part of the payload, so
4379 * we have to subtract the header bytes off */
4380 payloadLen = cpu_to_le16(len-hdrlen);
4381 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4382 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4383 bap_write(ai, (const u16*)pPacket, hdrlen, BAP1);
4384 bap_write(ai, hdrlen == 30 ?
4385 (const u16*)&gap.gaplen : (const u16*)&gap, 38 - hdrlen, BAP1);
4386
4387 bap_write(ai, (const u16*)(pPacket + hdrlen), len - hdrlen, BAP1);
4388 // issue the transmit command
4389 memset( &cmd, 0, sizeof( cmd ) );
4390 cmd.cmd = CMD_TRANSMIT;
4391 cmd.parm0 = txFid;
4392 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4393 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4394 return SUCCESS;
4395 }
4396
4397 /*
4398 * This is the proc_fs routines. It is a bit messier than I would
4399 * like! Feel free to clean it up!
4400 */
4401
4402 static ssize_t proc_read( struct file *file,
4403 char __user *buffer,
4404 size_t len,
4405 loff_t *offset);
4406
4407 static ssize_t proc_write( struct file *file,
4408 const char __user *buffer,
4409 size_t len,
4410 loff_t *offset );
4411 static int proc_close( struct inode *inode, struct file *file );
4412
4413 static int proc_stats_open( struct inode *inode, struct file *file );
4414 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4415 static int proc_status_open( struct inode *inode, struct file *file );
4416 static int proc_SSID_open( struct inode *inode, struct file *file );
4417 static int proc_APList_open( struct inode *inode, struct file *file );
4418 static int proc_BSSList_open( struct inode *inode, struct file *file );
4419 static int proc_config_open( struct inode *inode, struct file *file );
4420 static int proc_wepkey_open( struct inode *inode, struct file *file );
4421
4422 static struct file_operations proc_statsdelta_ops = {
4423 .read = proc_read,
4424 .open = proc_statsdelta_open,
4425 .release = proc_close
4426 };
4427
4428 static struct file_operations proc_stats_ops = {
4429 .read = proc_read,
4430 .open = proc_stats_open,
4431 .release = proc_close
4432 };
4433
4434 static struct file_operations proc_status_ops = {
4435 .read = proc_read,
4436 .open = proc_status_open,
4437 .release = proc_close
4438 };
4439
4440 static struct file_operations proc_SSID_ops = {
4441 .read = proc_read,
4442 .write = proc_write,
4443 .open = proc_SSID_open,
4444 .release = proc_close
4445 };
4446
4447 static struct file_operations proc_BSSList_ops = {
4448 .read = proc_read,
4449 .write = proc_write,
4450 .open = proc_BSSList_open,
4451 .release = proc_close
4452 };
4453
4454 static struct file_operations proc_APList_ops = {
4455 .read = proc_read,
4456 .write = proc_write,
4457 .open = proc_APList_open,
4458 .release = proc_close
4459 };
4460
4461 static struct file_operations proc_config_ops = {
4462 .read = proc_read,
4463 .write = proc_write,
4464 .open = proc_config_open,
4465 .release = proc_close
4466 };
4467
4468 static struct file_operations proc_wepkey_ops = {
4469 .read = proc_read,
4470 .write = proc_write,
4471 .open = proc_wepkey_open,
4472 .release = proc_close
4473 };
4474
4475 static struct proc_dir_entry *airo_entry;
4476
4477 struct proc_data {
4478 int release_buffer;
4479 int readlen;
4480 char *rbuffer;
4481 int writelen;
4482 int maxwritelen;
4483 char *wbuffer;
4484 void (*on_close) (struct inode *, struct file *);
4485 };
4486
4487 #ifndef SETPROC_OPS
4488 #define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4489 #endif
4490
4491 static int setup_proc_entry( struct net_device *dev,
4492 struct airo_info *apriv ) {
4493 struct proc_dir_entry *entry;
4494 /* First setup the device directory */
4495 strcpy(apriv->proc_name,dev->name);
4496 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4497 S_IFDIR|airo_perm,
4498 airo_entry);
4499 apriv->proc_entry->uid = proc_uid;
4500 apriv->proc_entry->gid = proc_gid;
4501 apriv->proc_entry->owner = THIS_MODULE;
4502
4503 /* Setup the StatsDelta */
4504 entry = create_proc_entry("StatsDelta",
4505 S_IFREG | (S_IRUGO&proc_perm),
4506 apriv->proc_entry);
4507 entry->uid = proc_uid;
4508 entry->gid = proc_gid;
4509 entry->data = dev;
4510 entry->owner = THIS_MODULE;
4511 SETPROC_OPS(entry, proc_statsdelta_ops);
4512
4513 /* Setup the Stats */
4514 entry = create_proc_entry("Stats",
4515 S_IFREG | (S_IRUGO&proc_perm),
4516 apriv->proc_entry);
4517 entry->uid = proc_uid;
4518 entry->gid = proc_gid;
4519 entry->data = dev;
4520 entry->owner = THIS_MODULE;
4521 SETPROC_OPS(entry, proc_stats_ops);
4522
4523 /* Setup the Status */
4524 entry = create_proc_entry("Status",
4525 S_IFREG | (S_IRUGO&proc_perm),
4526 apriv->proc_entry);
4527 entry->uid = proc_uid;
4528 entry->gid = proc_gid;
4529 entry->data = dev;
4530 entry->owner = THIS_MODULE;
4531 SETPROC_OPS(entry, proc_status_ops);
4532
4533 /* Setup the Config */
4534 entry = create_proc_entry("Config",
4535 S_IFREG | proc_perm,
4536 apriv->proc_entry);
4537 entry->uid = proc_uid;
4538 entry->gid = proc_gid;
4539 entry->data = dev;
4540 entry->owner = THIS_MODULE;
4541 SETPROC_OPS(entry, proc_config_ops);
4542
4543 /* Setup the SSID */
4544 entry = create_proc_entry("SSID",
4545 S_IFREG | proc_perm,
4546 apriv->proc_entry);
4547 entry->uid = proc_uid;
4548 entry->gid = proc_gid;
4549 entry->data = dev;
4550 entry->owner = THIS_MODULE;
4551 SETPROC_OPS(entry, proc_SSID_ops);
4552
4553 /* Setup the APList */
4554 entry = create_proc_entry("APList",
4555 S_IFREG | proc_perm,
4556 apriv->proc_entry);
4557 entry->uid = proc_uid;
4558 entry->gid = proc_gid;
4559 entry->data = dev;
4560 entry->owner = THIS_MODULE;
4561 SETPROC_OPS(entry, proc_APList_ops);
4562
4563 /* Setup the BSSList */
4564 entry = create_proc_entry("BSSList",
4565 S_IFREG | proc_perm,
4566 apriv->proc_entry);
4567 entry->uid = proc_uid;
4568 entry->gid = proc_gid;
4569 entry->data = dev;
4570 entry->owner = THIS_MODULE;
4571 SETPROC_OPS(entry, proc_BSSList_ops);
4572
4573 /* Setup the WepKey */
4574 entry = create_proc_entry("WepKey",
4575 S_IFREG | proc_perm,
4576 apriv->proc_entry);
4577 entry->uid = proc_uid;
4578 entry->gid = proc_gid;
4579 entry->data = dev;
4580 entry->owner = THIS_MODULE;
4581 SETPROC_OPS(entry, proc_wepkey_ops);
4582
4583 return 0;
4584 }
4585
4586 static int takedown_proc_entry( struct net_device *dev,
4587 struct airo_info *apriv ) {
4588 if ( !apriv->proc_entry->namelen ) return 0;
4589 remove_proc_entry("Stats",apriv->proc_entry);
4590 remove_proc_entry("StatsDelta",apriv->proc_entry);
4591 remove_proc_entry("Status",apriv->proc_entry);
4592 remove_proc_entry("Config",apriv->proc_entry);
4593 remove_proc_entry("SSID",apriv->proc_entry);
4594 remove_proc_entry("APList",apriv->proc_entry);
4595 remove_proc_entry("BSSList",apriv->proc_entry);
4596 remove_proc_entry("WepKey",apriv->proc_entry);
4597 remove_proc_entry(apriv->proc_name,airo_entry);
4598 return 0;
4599 }
4600
4601 /*
4602 * What we want from the proc_fs is to be able to efficiently read
4603 * and write the configuration. To do this, we want to read the
4604 * configuration when the file is opened and write it when the file is
4605 * closed. So basically we allocate a read buffer at open and fill it
4606 * with data, and allocate a write buffer and read it at close.
4607 */
4608
4609 /*
4610 * The read routine is generic, it relies on the preallocated rbuffer
4611 * to supply the data.
4612 */
4613 static ssize_t proc_read( struct file *file,
4614 char __user *buffer,
4615 size_t len,
4616 loff_t *offset )
4617 {
4618 loff_t pos = *offset;
4619 struct proc_data *priv = (struct proc_data*)file->private_data;
4620
4621 if (!priv->rbuffer)
4622 return -EINVAL;
4623
4624 if (pos < 0)
4625 return -EINVAL;
4626 if (pos >= priv->readlen)
4627 return 0;
4628 if (len > priv->readlen - pos)
4629 len = priv->readlen - pos;
4630 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4631 return -EFAULT;
4632 *offset = pos + len;
4633 return len;
4634 }
4635
4636 /*
4637 * The write routine is generic, it fills in a preallocated rbuffer
4638 * to supply the data.
4639 */
4640 static ssize_t proc_write( struct file *file,
4641 const char __user *buffer,
4642 size_t len,
4643 loff_t *offset )
4644 {
4645 loff_t pos = *offset;
4646 struct proc_data *priv = (struct proc_data*)file->private_data;
4647
4648 if (!priv->wbuffer)
4649 return -EINVAL;
4650
4651 if (pos < 0)
4652 return -EINVAL;
4653 if (pos >= priv->maxwritelen)
4654 return 0;
4655 if (len > priv->maxwritelen - pos)
4656 len = priv->maxwritelen - pos;
4657 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4658 return -EFAULT;
4659 if ( pos + len > priv->writelen )
4660 priv->writelen = len + file->f_pos;
4661 *offset = pos + len;
4662 return len;
4663 }
4664
4665 static int proc_status_open( struct inode *inode, struct file *file ) {
4666 struct proc_data *data;
4667 struct proc_dir_entry *dp = PDE(inode);
4668 struct net_device *dev = dp->data;
4669 struct airo_info *apriv = dev->priv;
4670 CapabilityRid cap_rid;
4671 StatusRid status_rid;
4672 int i;
4673
4674 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4675 return -ENOMEM;
4676 data = (struct proc_data *)file->private_data;
4677 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4678 kfree (file->private_data);
4679 return -ENOMEM;
4680 }
4681
4682 readStatusRid(apriv, &status_rid, 1);
4683 readCapabilityRid(apriv, &cap_rid, 1);
4684
4685 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4686 status_rid.mode & 1 ? "CFG ": "",
4687 status_rid.mode & 2 ? "ACT ": "",
4688 status_rid.mode & 0x10 ? "SYN ": "",
4689 status_rid.mode & 0x20 ? "LNK ": "",
4690 status_rid.mode & 0x40 ? "LEAP ": "",
4691 status_rid.mode & 0x80 ? "PRIV ": "",
4692 status_rid.mode & 0x100 ? "KEY ": "",
4693 status_rid.mode & 0x200 ? "WEP ": "",
4694 status_rid.mode & 0x8000 ? "ERR ": "");
4695 sprintf( data->rbuffer+i, "Mode: %x\n"
4696 "Signal Strength: %d\n"
4697 "Signal Quality: %d\n"
4698 "SSID: %-.*s\n"
4699 "AP: %-.16s\n"
4700 "Freq: %d\n"
4701 "BitRate: %dmbs\n"
4702 "Driver Version: %s\n"
4703 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4704 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4705 "Software Version: %x\nSoftware Subversion: %x\n"
4706 "Boot block version: %x\n",
4707 (int)status_rid.mode,
4708 (int)status_rid.normalizedSignalStrength,
4709 (int)status_rid.signalQuality,
4710 (int)status_rid.SSIDlen,
4711 status_rid.SSID,
4712 status_rid.apName,
4713 (int)status_rid.channel,
4714 (int)status_rid.currentXmitRate/2,
4715 version,
4716 cap_rid.prodName,
4717 cap_rid.manName,
4718 cap_rid.prodVer,
4719 cap_rid.radioType,
4720 cap_rid.country,
4721 cap_rid.hardVer,
4722 (int)cap_rid.softVer,
4723 (int)cap_rid.softSubVer,
4724 (int)cap_rid.bootBlockVer );
4725 data->readlen = strlen( data->rbuffer );
4726 return 0;
4727 }
4728
4729 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4730 static int proc_statsdelta_open( struct inode *inode,
4731 struct file *file ) {
4732 if (file->f_mode&FMODE_WRITE) {
4733 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4734 }
4735 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4736 }
4737
4738 static int proc_stats_open( struct inode *inode, struct file *file ) {
4739 return proc_stats_rid_open(inode, file, RID_STATS);
4740 }
4741
4742 static int proc_stats_rid_open( struct inode *inode,
4743 struct file *file,
4744 u16 rid ) {
4745 struct proc_data *data;
4746 struct proc_dir_entry *dp = PDE(inode);
4747 struct net_device *dev = dp->data;
4748 struct airo_info *apriv = dev->priv;
4749 StatsRid stats;
4750 int i, j;
4751 u32 *vals = stats.vals;
4752
4753 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4754 return -ENOMEM;
4755 data = (struct proc_data *)file->private_data;
4756 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4757 kfree (file->private_data);
4758 return -ENOMEM;
4759 }
4760
4761 readStatsRid(apriv, &stats, rid, 1);
4762
4763 j = 0;
4764 for(i=0; statsLabels[i]!=(char *)-1 &&
4765 i*4<stats.len; i++){
4766 if (!statsLabels[i]) continue;
4767 if (j+strlen(statsLabels[i])+16>4096) {
4768 airo_print_warn(apriv->dev->name,
4769 "Potentially disasterous buffer overflow averted!");
4770 break;
4771 }
4772 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], vals[i]);
4773 }
4774 if (i*4>=stats.len){
4775 airo_print_warn(apriv->dev->name, "Got a short rid");
4776 }
4777 data->readlen = j;
4778 return 0;
4779 }
4780
4781 static int get_dec_u16( char *buffer, int *start, int limit ) {
4782 u16 value;
4783 int valid = 0;
4784 for( value = 0; buffer[*start] >= '0' &&
4785 buffer[*start] <= '9' &&
4786 *start < limit; (*start)++ ) {
4787 valid = 1;
4788 value *= 10;
4789 value += buffer[*start] - '0';
4790 }
4791 if ( !valid ) return -1;
4792 return value;
4793 }
4794
4795 static int airo_config_commit(struct net_device *dev,
4796 struct iw_request_info *info, void *zwrq,
4797 char *extra);
4798
4799 static void proc_config_on_close( struct inode *inode, struct file *file ) {
4800 struct proc_data *data = file->private_data;
4801 struct proc_dir_entry *dp = PDE(inode);
4802 struct net_device *dev = dp->data;
4803 struct airo_info *ai = dev->priv;
4804 char *line;
4805
4806 if ( !data->writelen ) return;
4807
4808 readConfigRid(ai, 1);
4809 set_bit (FLAG_COMMIT, &ai->flags);
4810
4811 line = data->wbuffer;
4812 while( line[0] ) {
4813 /*** Mode processing */
4814 if ( !strncmp( line, "Mode: ", 6 ) ) {
4815 line += 6;
4816 if ((ai->config.rmode & 0xff) >= RXMODE_RFMON)
4817 set_bit (FLAG_RESET, &ai->flags);
4818 ai->config.rmode &= 0xfe00;
4819 clear_bit (FLAG_802_11, &ai->flags);
4820 ai->config.opmode &= 0xFF00;
4821 ai->config.scanMode = SCANMODE_ACTIVE;
4822 if ( line[0] == 'a' ) {
4823 ai->config.opmode |= 0;
4824 } else {
4825 ai->config.opmode |= 1;
4826 if ( line[0] == 'r' ) {
4827 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4828 ai->config.scanMode = SCANMODE_PASSIVE;
4829 set_bit (FLAG_802_11, &ai->flags);
4830 } else if ( line[0] == 'y' ) {
4831 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4832 ai->config.scanMode = SCANMODE_PASSIVE;
4833 set_bit (FLAG_802_11, &ai->flags);
4834 } else if ( line[0] == 'l' )
4835 ai->config.rmode |= RXMODE_LANMON;
4836 }
4837 set_bit (FLAG_COMMIT, &ai->flags);
4838 }
4839
4840 /*** Radio status */
4841 else if (!strncmp(line,"Radio: ", 7)) {
4842 line += 7;
4843 if (!strncmp(line,"off",3)) {
4844 set_bit (FLAG_RADIO_OFF, &ai->flags);
4845 } else {
4846 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4847 }
4848 }
4849 /*** NodeName processing */
4850 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4851 int j;
4852
4853 line += 10;
4854 memset( ai->config.nodeName, 0, 16 );
4855 /* Do the name, assume a space between the mode and node name */
4856 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4857 ai->config.nodeName[j] = line[j];
4858 }
4859 set_bit (FLAG_COMMIT, &ai->flags);
4860 }
4861
4862 /*** PowerMode processing */
4863 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4864 line += 11;
4865 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4866 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4867 set_bit (FLAG_COMMIT, &ai->flags);
4868 } else if ( !strncmp( line, "PSP", 3 ) ) {
4869 ai->config.powerSaveMode = POWERSAVE_PSP;
4870 set_bit (FLAG_COMMIT, &ai->flags);
4871 } else {
4872 ai->config.powerSaveMode = POWERSAVE_CAM;
4873 set_bit (FLAG_COMMIT, &ai->flags);
4874 }
4875 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4876 int v, i = 0, k = 0; /* i is index into line,
4877 k is index to rates */
4878
4879 line += 11;
4880 while((v = get_dec_u16(line, &i, 3))!=-1) {
4881 ai->config.rates[k++] = (u8)v;
4882 line += i + 1;
4883 i = 0;
4884 }
4885 set_bit (FLAG_COMMIT, &ai->flags);
4886 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4887 int v, i = 0;
4888 line += 9;
4889 v = get_dec_u16(line, &i, i+3);
4890 if ( v != -1 ) {
4891 ai->config.channelSet = (u16)v;
4892 set_bit (FLAG_COMMIT, &ai->flags);
4893 }
4894 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4895 int v, i = 0;
4896 line += 11;
4897 v = get_dec_u16(line, &i, i+3);
4898 if ( v != -1 ) {
4899 ai->config.txPower = (u16)v;
4900 set_bit (FLAG_COMMIT, &ai->flags);
4901 }
4902 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4903 line += 5;
4904 switch( line[0] ) {
4905 case 's':
4906 ai->config.authType = (u16)AUTH_SHAREDKEY;
4907 break;
4908 case 'e':
4909 ai->config.authType = (u16)AUTH_ENCRYPT;
4910 break;
4911 default:
4912 ai->config.authType = (u16)AUTH_OPEN;
4913 break;
4914 }
4915 set_bit (FLAG_COMMIT, &ai->flags);
4916 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4917 int v, i = 0;
4918
4919 line += 16;
4920 v = get_dec_u16(line, &i, 3);
4921 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4922 ai->config.longRetryLimit = (u16)v;
4923 set_bit (FLAG_COMMIT, &ai->flags);
4924 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4925 int v, i = 0;
4926
4927 line += 17;
4928 v = get_dec_u16(line, &i, 3);
4929 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4930 ai->config.shortRetryLimit = (u16)v;
4931 set_bit (FLAG_COMMIT, &ai->flags);
4932 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4933 int v, i = 0;
4934
4935 line += 14;
4936 v = get_dec_u16(line, &i, 4);
4937 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4938 ai->config.rtsThres = (u16)v;
4939 set_bit (FLAG_COMMIT, &ai->flags);
4940 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4941 int v, i = 0;
4942
4943 line += 16;
4944 v = get_dec_u16(line, &i, 5);
4945 v = (v<0) ? 0 : v;
4946 ai->config.txLifetime = (u16)v;
4947 set_bit (FLAG_COMMIT, &ai->flags);
4948 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4949 int v, i = 0;
4950
4951 line += 16;
4952 v = get_dec_u16(line, &i, 5);
4953 v = (v<0) ? 0 : v;
4954 ai->config.rxLifetime = (u16)v;
4955 set_bit (FLAG_COMMIT, &ai->flags);
4956 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4957 ai->config.txDiversity =
4958 (line[13]=='l') ? 1 :
4959 ((line[13]=='r')? 2: 3);
4960 set_bit (FLAG_COMMIT, &ai->flags);
4961 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4962 ai->config.rxDiversity =
4963 (line[13]=='l') ? 1 :
4964 ((line[13]=='r')? 2: 3);
4965 set_bit (FLAG_COMMIT, &ai->flags);
4966 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4967 int v, i = 0;
4968
4969 line += 15;
4970 v = get_dec_u16(line, &i, 4);
4971 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4972 v = v & 0xfffe; /* Make sure its even */
4973 ai->config.fragThresh = (u16)v;
4974 set_bit (FLAG_COMMIT, &ai->flags);
4975 } else if (!strncmp(line, "Modulation: ", 12)) {
4976 line += 12;
4977 switch(*line) {
4978 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4979 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4980 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4981 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4982 }
4983 } else if (!strncmp(line, "Preamble: ", 10)) {
4984 line += 10;
4985 switch(*line) {
4986 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4987 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4988 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4989 default: airo_print_warn(ai->dev->name, "Unknown preamble");
4990 }
4991 } else {
4992 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
4993 }
4994 while( line[0] && line[0] != '\n' ) line++;
4995 if ( line[0] ) line++;
4996 }
4997 airo_config_commit(dev, NULL, NULL, NULL);
4998 }
4999
5000 static char *get_rmode(u16 mode) {
5001 switch(mode&0xff) {
5002 case RXMODE_RFMON: return "rfmon";
5003 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5004 case RXMODE_LANMON: return "lanmon";
5005 }
5006 return "ESS";
5007 }
5008
5009 static int proc_config_open( struct inode *inode, struct file *file ) {
5010 struct proc_data *data;
5011 struct proc_dir_entry *dp = PDE(inode);
5012 struct net_device *dev = dp->data;
5013 struct airo_info *ai = dev->priv;
5014 int i;
5015
5016 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5017 return -ENOMEM;
5018 data = (struct proc_data *)file->private_data;
5019 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5020 kfree (file->private_data);
5021 return -ENOMEM;
5022 }
5023 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5024 kfree (data->rbuffer);
5025 kfree (file->private_data);
5026 return -ENOMEM;
5027 }
5028 data->maxwritelen = 2048;
5029 data->on_close = proc_config_on_close;
5030
5031 readConfigRid(ai, 1);
5032
5033 i = sprintf( data->rbuffer,
5034 "Mode: %s\n"
5035 "Radio: %s\n"
5036 "NodeName: %-16s\n"
5037 "PowerMode: %s\n"
5038 "DataRates: %d %d %d %d %d %d %d %d\n"
5039 "Channel: %d\n"
5040 "XmitPower: %d\n",
5041 (ai->config.opmode & 0xFF) == 0 ? "adhoc" :
5042 (ai->config.opmode & 0xFF) == 1 ? get_rmode(ai->config.rmode):
5043 (ai->config.opmode & 0xFF) == 2 ? "AP" :
5044 (ai->config.opmode & 0xFF) == 3 ? "AP RPTR" : "Error",
5045 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5046 ai->config.nodeName,
5047 ai->config.powerSaveMode == 0 ? "CAM" :
5048 ai->config.powerSaveMode == 1 ? "PSP" :
5049 ai->config.powerSaveMode == 2 ? "PSPCAM" : "Error",
5050 (int)ai->config.rates[0],
5051 (int)ai->config.rates[1],
5052 (int)ai->config.rates[2],
5053 (int)ai->config.rates[3],
5054 (int)ai->config.rates[4],
5055 (int)ai->config.rates[5],
5056 (int)ai->config.rates[6],
5057 (int)ai->config.rates[7],
5058 (int)ai->config.channelSet,
5059 (int)ai->config.txPower
5060 );
5061 sprintf( data->rbuffer + i,
5062 "LongRetryLimit: %d\n"
5063 "ShortRetryLimit: %d\n"
5064 "RTSThreshold: %d\n"
5065 "TXMSDULifetime: %d\n"
5066 "RXMSDULifetime: %d\n"
5067 "TXDiversity: %s\n"
5068 "RXDiversity: %s\n"
5069 "FragThreshold: %d\n"
5070 "WEP: %s\n"
5071 "Modulation: %s\n"
5072 "Preamble: %s\n",
5073 (int)ai->config.longRetryLimit,
5074 (int)ai->config.shortRetryLimit,
5075 (int)ai->config.rtsThres,
5076 (int)ai->config.txLifetime,
5077 (int)ai->config.rxLifetime,
5078 ai->config.txDiversity == 1 ? "left" :
5079 ai->config.txDiversity == 2 ? "right" : "both",
5080 ai->config.rxDiversity == 1 ? "left" :
5081 ai->config.rxDiversity == 2 ? "right" : "both",
5082 (int)ai->config.fragThresh,
5083 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5084 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5085 ai->config.modulation == 0 ? "default" :
5086 ai->config.modulation == MOD_CCK ? "cck" :
5087 ai->config.modulation == MOD_MOK ? "mok" : "error",
5088 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5089 ai->config.preamble == PREAMBLE_LONG ? "long" :
5090 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5091 );
5092 data->readlen = strlen( data->rbuffer );
5093 return 0;
5094 }
5095
5096 static void proc_SSID_on_close( struct inode *inode, struct file *file ) {
5097 struct proc_data *data = (struct proc_data *)file->private_data;
5098 struct proc_dir_entry *dp = PDE(inode);
5099 struct net_device *dev = dp->data;
5100 struct airo_info *ai = dev->priv;
5101 SsidRid SSID_rid;
5102 Resp rsp;
5103 int i;
5104 int offset = 0;
5105
5106 if ( !data->writelen ) return;
5107
5108 memset( &SSID_rid, 0, sizeof( SSID_rid ) );
5109
5110 for( i = 0; i < 3; i++ ) {
5111 int j;
5112 for( j = 0; j+offset < data->writelen && j < 32 &&
5113 data->wbuffer[offset+j] != '\n'; j++ ) {
5114 SSID_rid.ssids[i].ssid[j] = data->wbuffer[offset+j];
5115 }
5116 if ( j == 0 ) break;
5117 SSID_rid.ssids[i].len = j;
5118 offset += j;
5119 while( data->wbuffer[offset] != '\n' &&
5120 offset < data->writelen ) offset++;
5121 offset++;
5122 }
5123 if (i)
5124 SSID_rid.len = sizeof(SSID_rid);
5125 disable_MAC(ai, 1);
5126 writeSsidRid(ai, &SSID_rid, 1);
5127 enable_MAC(ai, &rsp, 1);
5128 }
5129
5130 static inline u8 hexVal(char c) {
5131 if (c>='0' && c<='9') return c -= '0';
5132 if (c>='a' && c<='f') return c -= 'a'-10;
5133 if (c>='A' && c<='F') return c -= 'A'-10;
5134 return 0;
5135 }
5136
5137 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5138 struct proc_data *data = (struct proc_data *)file->private_data;
5139 struct proc_dir_entry *dp = PDE(inode);
5140 struct net_device *dev = dp->data;
5141 struct airo_info *ai = dev->priv;
5142 APListRid APList_rid;
5143 Resp rsp;
5144 int i;
5145
5146 if ( !data->writelen ) return;
5147
5148 memset( &APList_rid, 0, sizeof(APList_rid) );
5149 APList_rid.len = sizeof(APList_rid);
5150
5151 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5152 int j;
5153 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5154 switch(j%3) {
5155 case 0:
5156 APList_rid.ap[i][j/3]=
5157 hexVal(data->wbuffer[j+i*6*3])<<4;
5158 break;
5159 case 1:
5160 APList_rid.ap[i][j/3]|=
5161 hexVal(data->wbuffer[j+i*6*3]);
5162 break;
5163 }
5164 }
5165 }
5166 disable_MAC(ai, 1);
5167 writeAPListRid(ai, &APList_rid, 1);
5168 enable_MAC(ai, &rsp, 1);
5169 }
5170
5171 /* This function wraps PC4500_writerid with a MAC disable */
5172 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5173 int len, int dummy ) {
5174 int rc;
5175 Resp rsp;
5176
5177 disable_MAC(ai, 1);
5178 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5179 enable_MAC(ai, &rsp, 1);
5180 return rc;
5181 }
5182
5183 /* Returns the length of the key at the index. If index == 0xffff
5184 * the index of the transmit key is returned. If the key doesn't exist,
5185 * -1 will be returned.
5186 */
5187 static int get_wep_key(struct airo_info *ai, u16 index) {
5188 WepKeyRid wkr;
5189 int rc;
5190 u16 lastindex;
5191
5192 rc = readWepKeyRid(ai, &wkr, 1, 1);
5193 if (rc == SUCCESS) do {
5194 lastindex = wkr.kindex;
5195 if (wkr.kindex == index) {
5196 if (index == 0xffff) {
5197 return wkr.mac[0];
5198 }
5199 return wkr.klen;
5200 }
5201 readWepKeyRid(ai, &wkr, 0, 1);
5202 } while(lastindex != wkr.kindex);
5203 return -1;
5204 }
5205
5206 static int set_wep_key(struct airo_info *ai, u16 index,
5207 const char *key, u16 keylen, int perm, int lock ) {
5208 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5209 WepKeyRid wkr;
5210 Resp rsp;
5211
5212 memset(&wkr, 0, sizeof(wkr));
5213 if (keylen == 0) {
5214 // We are selecting which key to use
5215 wkr.len = sizeof(wkr);
5216 wkr.kindex = 0xffff;
5217 wkr.mac[0] = (char)index;
5218 if (perm) ai->defindex = (char)index;
5219 } else {
5220 // We are actually setting the key
5221 wkr.len = sizeof(wkr);
5222 wkr.kindex = index;
5223 wkr.klen = keylen;
5224 memcpy( wkr.key, key, keylen );
5225 memcpy( wkr.mac, macaddr, ETH_ALEN );
5226 }
5227
5228 if (perm) disable_MAC(ai, lock);
5229 writeWepKeyRid(ai, &wkr, perm, lock);
5230 if (perm) enable_MAC(ai, &rsp, lock);
5231 return 0;
5232 }
5233
5234 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5235 struct proc_data *data;
5236 struct proc_dir_entry *dp = PDE(inode);
5237 struct net_device *dev = dp->data;
5238 struct airo_info *ai = dev->priv;
5239 int i;
5240 char key[16];
5241 u16 index = 0;
5242 int j = 0;
5243
5244 memset(key, 0, sizeof(key));
5245
5246 data = (struct proc_data *)file->private_data;
5247 if ( !data->writelen ) return;
5248
5249 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5250 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5251 index = data->wbuffer[0] - '0';
5252 if (data->wbuffer[1] == '\n') {
5253 set_wep_key(ai, index, NULL, 0, 1, 1);
5254 return;
5255 }
5256 j = 2;
5257 } else {
5258 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5259 return;
5260 }
5261
5262 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5263 switch(i%3) {
5264 case 0:
5265 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5266 break;
5267 case 1:
5268 key[i/3] |= hexVal(data->wbuffer[i+j]);
5269 break;
5270 }
5271 }
5272 set_wep_key(ai, index, key, i/3, 1, 1);
5273 }
5274
5275 static int proc_wepkey_open( struct inode *inode, struct file *file ) {
5276 struct proc_data *data;
5277 struct proc_dir_entry *dp = PDE(inode);
5278 struct net_device *dev = dp->data;
5279 struct airo_info *ai = dev->priv;
5280 char *ptr;
5281 WepKeyRid wkr;
5282 u16 lastindex;
5283 int j=0;
5284 int rc;
5285
5286 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5287 return -ENOMEM;
5288 memset(&wkr, 0, sizeof(wkr));
5289 data = (struct proc_data *)file->private_data;
5290 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5291 kfree (file->private_data);
5292 return -ENOMEM;
5293 }
5294 data->writelen = 0;
5295 data->maxwritelen = 80;
5296 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5297 kfree (data->rbuffer);
5298 kfree (file->private_data);
5299 return -ENOMEM;
5300 }
5301 data->on_close = proc_wepkey_on_close;
5302
5303 ptr = data->rbuffer;
5304 strcpy(ptr, "No wep keys\n");
5305 rc = readWepKeyRid(ai, &wkr, 1, 1);
5306 if (rc == SUCCESS) do {
5307 lastindex = wkr.kindex;
5308 if (wkr.kindex == 0xffff) {
5309 j += sprintf(ptr+j, "Tx key = %d\n",
5310 (int)wkr.mac[0]);
5311 } else {
5312 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5313 (int)wkr.kindex, (int)wkr.klen);
5314 }
5315 readWepKeyRid(ai, &wkr, 0, 1);
5316 } while((lastindex != wkr.kindex) && (j < 180-30));
5317
5318 data->readlen = strlen( data->rbuffer );
5319 return 0;
5320 }
5321
5322 static int proc_SSID_open( struct inode *inode, struct file *file ) {
5323 struct proc_data *data;
5324 struct proc_dir_entry *dp = PDE(inode);
5325 struct net_device *dev = dp->data;
5326 struct airo_info *ai = dev->priv;
5327 int i;
5328 char *ptr;
5329 SsidRid SSID_rid;
5330
5331 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5332 return -ENOMEM;
5333 data = (struct proc_data *)file->private_data;
5334 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5335 kfree (file->private_data);
5336 return -ENOMEM;
5337 }
5338 data->writelen = 0;
5339 data->maxwritelen = 33*3;
5340 if ((data->wbuffer = kzalloc( 33*3, GFP_KERNEL )) == NULL) {
5341 kfree (data->rbuffer);
5342 kfree (file->private_data);
5343 return -ENOMEM;
5344 }
5345 data->on_close = proc_SSID_on_close;
5346
5347 readSsidRid(ai, &SSID_rid);
5348 ptr = data->rbuffer;
5349 for( i = 0; i < 3; i++ ) {
5350 int j;
5351 if ( !SSID_rid.ssids[i].len ) break;
5352 for( j = 0; j < 32 &&
5353 j < SSID_rid.ssids[i].len &&
5354 SSID_rid.ssids[i].ssid[j]; j++ ) {
5355 *ptr++ = SSID_rid.ssids[i].ssid[j];
5356 }
5357 *ptr++ = '\n';
5358 }
5359 *ptr = '\0';
5360 data->readlen = strlen( data->rbuffer );
5361 return 0;
5362 }
5363
5364 static int proc_APList_open( struct inode *inode, struct file *file ) {
5365 struct proc_data *data;
5366 struct proc_dir_entry *dp = PDE(inode);
5367 struct net_device *dev = dp->data;
5368 struct airo_info *ai = dev->priv;
5369 int i;
5370 char *ptr;
5371 APListRid APList_rid;
5372
5373 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5374 return -ENOMEM;
5375 data = (struct proc_data *)file->private_data;
5376 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5377 kfree (file->private_data);
5378 return -ENOMEM;
5379 }
5380 data->writelen = 0;
5381 data->maxwritelen = 4*6*3;
5382 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5383 kfree (data->rbuffer);
5384 kfree (file->private_data);
5385 return -ENOMEM;
5386 }
5387 data->on_close = proc_APList_on_close;
5388
5389 readAPListRid(ai, &APList_rid);
5390 ptr = data->rbuffer;
5391 for( i = 0; i < 4; i++ ) {
5392 // We end when we find a zero MAC
5393 if ( !*(int*)APList_rid.ap[i] &&
5394 !*(int*)&APList_rid.ap[i][2]) break;
5395 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x\n",
5396 (int)APList_rid.ap[i][0],
5397 (int)APList_rid.ap[i][1],
5398 (int)APList_rid.ap[i][2],
5399 (int)APList_rid.ap[i][3],
5400 (int)APList_rid.ap[i][4],
5401 (int)APList_rid.ap[i][5]);
5402 }
5403 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5404
5405 *ptr = '\0';
5406 data->readlen = strlen( data->rbuffer );
5407 return 0;
5408 }
5409
5410 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5411 struct proc_data *data;
5412 struct proc_dir_entry *dp = PDE(inode);
5413 struct net_device *dev = dp->data;
5414 struct airo_info *ai = dev->priv;
5415 char *ptr;
5416 BSSListRid BSSList_rid;
5417 int rc;
5418 /* If doLoseSync is not 1, we won't do a Lose Sync */
5419 int doLoseSync = -1;
5420
5421 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5422 return -ENOMEM;
5423 data = (struct proc_data *)file->private_data;
5424 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5425 kfree (file->private_data);
5426 return -ENOMEM;
5427 }
5428 data->writelen = 0;
5429 data->maxwritelen = 0;
5430 data->wbuffer = NULL;
5431 data->on_close = NULL;
5432
5433 if (file->f_mode & FMODE_WRITE) {
5434 if (!(file->f_mode & FMODE_READ)) {
5435 Cmd cmd;
5436 Resp rsp;
5437
5438 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5439 memset(&cmd, 0, sizeof(cmd));
5440 cmd.cmd=CMD_LISTBSS;
5441 if (down_interruptible(&ai->sem))
5442 return -ERESTARTSYS;
5443 issuecommand(ai, &cmd, &rsp);
5444 up(&ai->sem);
5445 data->readlen = 0;
5446 return 0;
5447 }
5448 doLoseSync = 1;
5449 }
5450 ptr = data->rbuffer;
5451 /* There is a race condition here if there are concurrent opens.
5452 Since it is a rare condition, we'll just live with it, otherwise
5453 we have to add a spin lock... */
5454 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5455 while(rc == 0 && BSSList_rid.index != 0xffff) {
5456 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x %*s rssi = %d",
5457 (int)BSSList_rid.bssid[0],
5458 (int)BSSList_rid.bssid[1],
5459 (int)BSSList_rid.bssid[2],
5460 (int)BSSList_rid.bssid[3],
5461 (int)BSSList_rid.bssid[4],
5462 (int)BSSList_rid.bssid[5],
5463 (int)BSSList_rid.ssidLen,
5464 BSSList_rid.ssid,
5465 (int)BSSList_rid.dBm);
5466 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5467 (int)BSSList_rid.dsChannel,
5468 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5469 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5470 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5471 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5472 rc = readBSSListRid(ai, 0, &BSSList_rid);
5473 }
5474 *ptr = '\0';
5475 data->readlen = strlen( data->rbuffer );
5476 return 0;
5477 }
5478
5479 static int proc_close( struct inode *inode, struct file *file )
5480 {
5481 struct proc_data *data = file->private_data;
5482
5483 if (data->on_close != NULL)
5484 data->on_close(inode, file);
5485 kfree(data->rbuffer);
5486 kfree(data->wbuffer);
5487 kfree(data);
5488 return 0;
5489 }
5490
5491 static struct net_device_list {
5492 struct net_device *dev;
5493 struct net_device_list *next;
5494 } *airo_devices;
5495
5496 /* Since the card doesn't automatically switch to the right WEP mode,
5497 we will make it do it. If the card isn't associated, every secs we
5498 will switch WEP modes to see if that will help. If the card is
5499 associated we will check every minute to see if anything has
5500 changed. */
5501 static void timer_func( struct net_device *dev ) {
5502 struct airo_info *apriv = dev->priv;
5503 Resp rsp;
5504
5505 /* We don't have a link so try changing the authtype */
5506 readConfigRid(apriv, 0);
5507 disable_MAC(apriv, 0);
5508 switch(apriv->config.authType) {
5509 case AUTH_ENCRYPT:
5510 /* So drop to OPEN */
5511 apriv->config.authType = AUTH_OPEN;
5512 break;
5513 case AUTH_SHAREDKEY:
5514 if (apriv->keyindex < auto_wep) {
5515 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5516 apriv->config.authType = AUTH_SHAREDKEY;
5517 apriv->keyindex++;
5518 } else {
5519 /* Drop to ENCRYPT */
5520 apriv->keyindex = 0;
5521 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5522 apriv->config.authType = AUTH_ENCRYPT;
5523 }
5524 break;
5525 default: /* We'll escalate to SHAREDKEY */
5526 apriv->config.authType = AUTH_SHAREDKEY;
5527 }
5528 set_bit (FLAG_COMMIT, &apriv->flags);
5529 writeConfigRid(apriv, 0);
5530 enable_MAC(apriv, &rsp, 0);
5531 up(&apriv->sem);
5532
5533 /* Schedule check to see if the change worked */
5534 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5535 apriv->expires = RUN_AT(HZ*3);
5536 }
5537
5538 static int add_airo_dev( struct net_device *dev ) {
5539 struct net_device_list *node = kmalloc( sizeof( *node ), GFP_KERNEL );
5540 if ( !node )
5541 return -ENOMEM;
5542
5543 node->dev = dev;
5544 node->next = airo_devices;
5545 airo_devices = node;
5546
5547 return 0;
5548 }
5549
5550 static void del_airo_dev( struct net_device *dev ) {
5551 struct net_device_list **p = &airo_devices;
5552 while( *p && ( (*p)->dev != dev ) )
5553 p = &(*p)->next;
5554 if ( *p && (*p)->dev == dev )
5555 *p = (*p)->next;
5556 }
5557
5558 #ifdef CONFIG_PCI
5559 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5560 const struct pci_device_id *pent)
5561 {
5562 struct net_device *dev;
5563
5564 if (pci_enable_device(pdev))
5565 return -ENODEV;
5566 pci_set_master(pdev);
5567
5568 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5569 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5570 else
5571 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5572 if (!dev)
5573 return -ENODEV;
5574
5575 pci_set_drvdata(pdev, dev);
5576 return 0;
5577 }
5578
5579 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5580 {
5581 }
5582
5583 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5584 {
5585 struct net_device *dev = pci_get_drvdata(pdev);
5586 struct airo_info *ai = dev->priv;
5587 Cmd cmd;
5588 Resp rsp;
5589
5590 if ((ai->APList == NULL) &&
5591 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5592 return -ENOMEM;
5593 if ((ai->SSID == NULL) &&
5594 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5595 return -ENOMEM;
5596 readAPListRid(ai, ai->APList);
5597 readSsidRid(ai, ai->SSID);
5598 memset(&cmd, 0, sizeof(cmd));
5599 /* the lock will be released at the end of the resume callback */
5600 if (down_interruptible(&ai->sem))
5601 return -EAGAIN;
5602 disable_MAC(ai, 0);
5603 netif_device_detach(dev);
5604 ai->power = state;
5605 cmd.cmd=HOSTSLEEP;
5606 issuecommand(ai, &cmd, &rsp);
5607
5608 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5609 pci_save_state(pdev);
5610 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5611 }
5612
5613 static int airo_pci_resume(struct pci_dev *pdev)
5614 {
5615 struct net_device *dev = pci_get_drvdata(pdev);
5616 struct airo_info *ai = dev->priv;
5617 Resp rsp;
5618 pci_power_t prev_state = pdev->current_state;
5619
5620 pci_set_power_state(pdev, PCI_D0);
5621 pci_restore_state(pdev);
5622 pci_enable_wake(pdev, PCI_D0, 0);
5623
5624 if (prev_state != PCI_D1) {
5625 reset_card(dev, 0);
5626 mpi_init_descriptors(ai);
5627 setup_card(ai, dev->dev_addr, 0);
5628 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5629 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5630 } else {
5631 OUT4500(ai, EVACK, EV_AWAKEN);
5632 OUT4500(ai, EVACK, EV_AWAKEN);
5633 msleep(100);
5634 }
5635
5636 set_bit (FLAG_COMMIT, &ai->flags);
5637 disable_MAC(ai, 0);
5638 msleep(200);
5639 if (ai->SSID) {
5640 writeSsidRid(ai, ai->SSID, 0);
5641 kfree(ai->SSID);
5642 ai->SSID = NULL;
5643 }
5644 if (ai->APList) {
5645 writeAPListRid(ai, ai->APList, 0);
5646 kfree(ai->APList);
5647 ai->APList = NULL;
5648 }
5649 writeConfigRid(ai, 0);
5650 enable_MAC(ai, &rsp, 0);
5651 ai->power = PMSG_ON;
5652 netif_device_attach(dev);
5653 netif_wake_queue(dev);
5654 enable_interrupts(ai);
5655 up(&ai->sem);
5656 return 0;
5657 }
5658 #endif
5659
5660 static int __init airo_init_module( void )
5661 {
5662 int i;
5663 #if 0
5664 int have_isa_dev = 0;
5665 #endif
5666
5667 airo_entry = create_proc_entry("aironet",
5668 S_IFDIR | airo_perm,
5669 proc_root_driver);
5670
5671 if (airo_entry) {
5672 airo_entry->uid = proc_uid;
5673 airo_entry->gid = proc_gid;
5674 }
5675
5676 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
5677 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5678 "io=0x%x", irq[i], io[i] );
5679 if (init_airo_card( irq[i], io[i], 0, NULL ))
5680 #if 0
5681 have_isa_dev = 1;
5682 #else
5683 /* do nothing */ ;
5684 #endif
5685 }
5686
5687 #ifdef CONFIG_PCI
5688 airo_print_info("", "Probing for PCI adapters");
5689 i = pci_register_driver(&airo_driver);
5690 airo_print_info("", "Finished probing for PCI adapters");
5691
5692 if (i) {
5693 remove_proc_entry("aironet", proc_root_driver);
5694 return i;
5695 }
5696 #endif
5697
5698 /* Always exit with success, as we are a library module
5699 * as well as a driver module
5700 */
5701 return 0;
5702 }
5703
5704 static void __exit airo_cleanup_module( void )
5705 {
5706 while( airo_devices ) {
5707 airo_print_info(airo_devices->dev->name, "Unregistering...\n");
5708 stop_airo_card( airo_devices->dev, 1 );
5709 }
5710 #ifdef CONFIG_PCI
5711 pci_unregister_driver(&airo_driver);
5712 #endif
5713 remove_proc_entry("aironet", proc_root_driver);
5714 }
5715
5716 /*
5717 * Initial Wireless Extension code for Aironet driver by :
5718 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5719 * Conversion to new driver API by :
5720 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5721 * Javier also did a good amount of work here, adding some new extensions
5722 * and fixing my code. Let's just say that without him this code just
5723 * would not work at all... - Jean II
5724 */
5725
5726 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5727 {
5728 if( !rssi_rid )
5729 return 0;
5730
5731 return (0x100 - rssi_rid[rssi].rssidBm);
5732 }
5733
5734 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5735 {
5736 int i;
5737
5738 if( !rssi_rid )
5739 return 0;
5740
5741 for( i = 0; i < 256; i++ )
5742 if (rssi_rid[i].rssidBm == dbm)
5743 return rssi_rid[i].rssipct;
5744
5745 return 0;
5746 }
5747
5748
5749 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5750 {
5751 int quality = 0;
5752
5753 if ((status_rid->mode & 0x3f) == 0x3f && (cap_rid->hardCap & 8)) {
5754 if (memcmp(cap_rid->prodName, "350", 3))
5755 if (status_rid->signalQuality > 0x20)
5756 quality = 0;
5757 else
5758 quality = 0x20 - status_rid->signalQuality;
5759 else
5760 if (status_rid->signalQuality > 0xb0)
5761 quality = 0;
5762 else if (status_rid->signalQuality < 0x10)
5763 quality = 0xa0;
5764 else
5765 quality = 0xb0 - status_rid->signalQuality;
5766 }
5767 return quality;
5768 }
5769
5770 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5771 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5772
5773 /*------------------------------------------------------------------*/
5774 /*
5775 * Wireless Handler : get protocol name
5776 */
5777 static int airo_get_name(struct net_device *dev,
5778 struct iw_request_info *info,
5779 char *cwrq,
5780 char *extra)
5781 {
5782 strcpy(cwrq, "IEEE 802.11-DS");
5783 return 0;
5784 }
5785
5786 /*------------------------------------------------------------------*/
5787 /*
5788 * Wireless Handler : set frequency
5789 */
5790 static int airo_set_freq(struct net_device *dev,
5791 struct iw_request_info *info,
5792 struct iw_freq *fwrq,
5793 char *extra)
5794 {
5795 struct airo_info *local = dev->priv;
5796 int rc = -EINPROGRESS; /* Call commit handler */
5797
5798 /* If setting by frequency, convert to a channel */
5799 if((fwrq->e == 1) &&
5800 (fwrq->m >= (int) 2.412e8) &&
5801 (fwrq->m <= (int) 2.487e8)) {
5802 int f = fwrq->m / 100000;
5803 int c = 0;
5804 while((c < 14) && (f != frequency_list[c]))
5805 c++;
5806 /* Hack to fall through... */
5807 fwrq->e = 0;
5808 fwrq->m = c + 1;
5809 }
5810 /* Setting by channel number */
5811 if((fwrq->m > 1000) || (fwrq->e > 0))
5812 rc = -EOPNOTSUPP;
5813 else {
5814 int channel = fwrq->m;
5815 /* We should do a better check than that,
5816 * based on the card capability !!! */
5817 if((channel < 1) || (channel > 14)) {
5818 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5819 fwrq->m);
5820 rc = -EINVAL;
5821 } else {
5822 readConfigRid(local, 1);
5823 /* Yes ! We can set it !!! */
5824 local->config.channelSet = (u16) channel;
5825 set_bit (FLAG_COMMIT, &local->flags);
5826 }
5827 }
5828 return rc;
5829 }
5830
5831 /*------------------------------------------------------------------*/
5832 /*
5833 * Wireless Handler : get frequency
5834 */
5835 static int airo_get_freq(struct net_device *dev,
5836 struct iw_request_info *info,
5837 struct iw_freq *fwrq,
5838 char *extra)
5839 {
5840 struct airo_info *local = dev->priv;
5841 StatusRid status_rid; /* Card status info */
5842 int ch;
5843
5844 readConfigRid(local, 1);
5845 if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
5846 status_rid.channel = local->config.channelSet;
5847 else
5848 readStatusRid(local, &status_rid, 1);
5849
5850 ch = (int)status_rid.channel;
5851 if((ch > 0) && (ch < 15)) {
5852 fwrq->m = frequency_list[ch - 1] * 100000;
5853 fwrq->e = 1;
5854 } else {
5855 fwrq->m = ch;
5856 fwrq->e = 0;
5857 }
5858
5859 return 0;
5860 }
5861
5862 /*------------------------------------------------------------------*/
5863 /*
5864 * Wireless Handler : set ESSID
5865 */
5866 static int airo_set_essid(struct net_device *dev,
5867 struct iw_request_info *info,
5868 struct iw_point *dwrq,
5869 char *extra)
5870 {
5871 struct airo_info *local = dev->priv;
5872 Resp rsp;
5873 SsidRid SSID_rid; /* SSIDs */
5874
5875 /* Reload the list of current SSID */
5876 readSsidRid(local, &SSID_rid);
5877
5878 /* Check if we asked for `any' */
5879 if(dwrq->flags == 0) {
5880 /* Just send an empty SSID list */
5881 memset(&SSID_rid, 0, sizeof(SSID_rid));
5882 } else {
5883 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5884
5885 /* Check the size of the string */
5886 if(dwrq->length > IW_ESSID_MAX_SIZE) {
5887 return -E2BIG ;
5888 }
5889 /* Check if index is valid */
5890 if((index < 0) || (index >= 4)) {
5891 return -EINVAL;
5892 }
5893
5894 /* Set the SSID */
5895 memset(SSID_rid.ssids[index].ssid, 0,
5896 sizeof(SSID_rid.ssids[index].ssid));
5897 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5898 SSID_rid.ssids[index].len = dwrq->length;
5899 }
5900 SSID_rid.len = sizeof(SSID_rid);
5901 /* Write it to the card */
5902 disable_MAC(local, 1);
5903 writeSsidRid(local, &SSID_rid, 1);
5904 enable_MAC(local, &rsp, 1);
5905
5906 return 0;
5907 }
5908
5909 /*------------------------------------------------------------------*/
5910 /*
5911 * Wireless Handler : get ESSID
5912 */
5913 static int airo_get_essid(struct net_device *dev,
5914 struct iw_request_info *info,
5915 struct iw_point *dwrq,
5916 char *extra)
5917 {
5918 struct airo_info *local = dev->priv;
5919 StatusRid status_rid; /* Card status info */
5920
5921 readStatusRid(local, &status_rid, 1);
5922
5923 /* Note : if dwrq->flags != 0, we should
5924 * get the relevant SSID from the SSID list... */
5925
5926 /* Get the current SSID */
5927 memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
5928 extra[status_rid.SSIDlen] = '\0';
5929 /* If none, we may want to get the one that was set */
5930
5931 /* Push it out ! */
5932 dwrq->length = status_rid.SSIDlen;
5933 dwrq->flags = 1; /* active */
5934
5935 return 0;
5936 }
5937
5938 /*------------------------------------------------------------------*/
5939 /*
5940 * Wireless Handler : set AP address
5941 */
5942 static int airo_set_wap(struct net_device *dev,
5943 struct iw_request_info *info,
5944 struct sockaddr *awrq,
5945 char *extra)
5946 {
5947 struct airo_info *local = dev->priv;
5948 Cmd cmd;
5949 Resp rsp;
5950 APListRid APList_rid;
5951 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5952 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5953
5954 if (awrq->sa_family != ARPHRD_ETHER)
5955 return -EINVAL;
5956 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5957 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
5958 memset(&cmd, 0, sizeof(cmd));
5959 cmd.cmd=CMD_LOSE_SYNC;
5960 if (down_interruptible(&local->sem))
5961 return -ERESTARTSYS;
5962 issuecommand(local, &cmd, &rsp);
5963 up(&local->sem);
5964 } else {
5965 memset(&APList_rid, 0, sizeof(APList_rid));
5966 APList_rid.len = sizeof(APList_rid);
5967 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5968 disable_MAC(local, 1);
5969 writeAPListRid(local, &APList_rid, 1);
5970 enable_MAC(local, &rsp, 1);
5971 }
5972 return 0;
5973 }
5974
5975 /*------------------------------------------------------------------*/
5976 /*
5977 * Wireless Handler : get AP address
5978 */
5979 static int airo_get_wap(struct net_device *dev,
5980 struct iw_request_info *info,
5981 struct sockaddr *awrq,
5982 char *extra)
5983 {
5984 struct airo_info *local = dev->priv;
5985 StatusRid status_rid; /* Card status info */
5986
5987 readStatusRid(local, &status_rid, 1);
5988
5989 /* Tentative. This seems to work, wow, I'm lucky !!! */
5990 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5991 awrq->sa_family = ARPHRD_ETHER;
5992
5993 return 0;
5994 }
5995
5996 /*------------------------------------------------------------------*/
5997 /*
5998 * Wireless Handler : set Nickname
5999 */
6000 static int airo_set_nick(struct net_device *dev,
6001 struct iw_request_info *info,
6002 struct iw_point *dwrq,
6003 char *extra)
6004 {
6005 struct airo_info *local = dev->priv;
6006
6007 /* Check the size of the string */
6008 if(dwrq->length > 16) {
6009 return -E2BIG;
6010 }
6011 readConfigRid(local, 1);
6012 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6013 memcpy(local->config.nodeName, extra, dwrq->length);
6014 set_bit (FLAG_COMMIT, &local->flags);
6015
6016 return -EINPROGRESS; /* Call commit handler */
6017 }
6018
6019 /*------------------------------------------------------------------*/
6020 /*
6021 * Wireless Handler : get Nickname
6022 */
6023 static int airo_get_nick(struct net_device *dev,
6024 struct iw_request_info *info,
6025 struct iw_point *dwrq,
6026 char *extra)
6027 {
6028 struct airo_info *local = dev->priv;
6029
6030 readConfigRid(local, 1);
6031 strncpy(extra, local->config.nodeName, 16);
6032 extra[16] = '\0';
6033 dwrq->length = strlen(extra);
6034
6035 return 0;
6036 }
6037
6038 /*------------------------------------------------------------------*/
6039 /*
6040 * Wireless Handler : set Bit-Rate
6041 */
6042 static int airo_set_rate(struct net_device *dev,
6043 struct iw_request_info *info,
6044 struct iw_param *vwrq,
6045 char *extra)
6046 {
6047 struct airo_info *local = dev->priv;
6048 CapabilityRid cap_rid; /* Card capability info */
6049 u8 brate = 0;
6050 int i;
6051
6052 /* First : get a valid bit rate value */
6053 readCapabilityRid(local, &cap_rid, 1);
6054
6055 /* Which type of value ? */
6056 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6057 /* Setting by rate index */
6058 /* Find value in the magic rate table */
6059 brate = cap_rid.supportedRates[vwrq->value];
6060 } else {
6061 /* Setting by frequency value */
6062 u8 normvalue = (u8) (vwrq->value/500000);
6063
6064 /* Check if rate is valid */
6065 for(i = 0 ; i < 8 ; i++) {
6066 if(normvalue == cap_rid.supportedRates[i]) {
6067 brate = normvalue;
6068 break;
6069 }
6070 }
6071 }
6072 /* -1 designed the max rate (mostly auto mode) */
6073 if(vwrq->value == -1) {
6074 /* Get the highest available rate */
6075 for(i = 0 ; i < 8 ; i++) {
6076 if(cap_rid.supportedRates[i] == 0)
6077 break;
6078 }
6079 if(i != 0)
6080 brate = cap_rid.supportedRates[i - 1];
6081 }
6082 /* Check that it is valid */
6083 if(brate == 0) {
6084 return -EINVAL;
6085 }
6086
6087 readConfigRid(local, 1);
6088 /* Now, check if we want a fixed or auto value */
6089 if(vwrq->fixed == 0) {
6090 /* Fill all the rates up to this max rate */
6091 memset(local->config.rates, 0, 8);
6092 for(i = 0 ; i < 8 ; i++) {
6093 local->config.rates[i] = cap_rid.supportedRates[i];
6094 if(local->config.rates[i] == brate)
6095 break;
6096 }
6097 } else {
6098 /* Fixed mode */
6099 /* One rate, fixed */
6100 memset(local->config.rates, 0, 8);
6101 local->config.rates[0] = brate;
6102 }
6103 set_bit (FLAG_COMMIT, &local->flags);
6104
6105 return -EINPROGRESS; /* Call commit handler */
6106 }
6107
6108 /*------------------------------------------------------------------*/
6109 /*
6110 * Wireless Handler : get Bit-Rate
6111 */
6112 static int airo_get_rate(struct net_device *dev,
6113 struct iw_request_info *info,
6114 struct iw_param *vwrq,
6115 char *extra)
6116 {
6117 struct airo_info *local = dev->priv;
6118 StatusRid status_rid; /* Card status info */
6119
6120 readStatusRid(local, &status_rid, 1);
6121
6122 vwrq->value = status_rid.currentXmitRate * 500000;
6123 /* If more than one rate, set auto */
6124 readConfigRid(local, 1);
6125 vwrq->fixed = (local->config.rates[1] == 0);
6126
6127 return 0;
6128 }
6129
6130 /*------------------------------------------------------------------*/
6131 /*
6132 * Wireless Handler : set RTS threshold
6133 */
6134 static int airo_set_rts(struct net_device *dev,
6135 struct iw_request_info *info,
6136 struct iw_param *vwrq,
6137 char *extra)
6138 {
6139 struct airo_info *local = dev->priv;
6140 int rthr = vwrq->value;
6141
6142 if(vwrq->disabled)
6143 rthr = AIRO_DEF_MTU;
6144 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6145 return -EINVAL;
6146 }
6147 readConfigRid(local, 1);
6148 local->config.rtsThres = rthr;
6149 set_bit (FLAG_COMMIT, &local->flags);
6150
6151 return -EINPROGRESS; /* Call commit handler */
6152 }
6153
6154 /*------------------------------------------------------------------*/
6155 /*
6156 * Wireless Handler : get RTS threshold
6157 */
6158 static int airo_get_rts(struct net_device *dev,
6159 struct iw_request_info *info,
6160 struct iw_param *vwrq,
6161 char *extra)
6162 {
6163 struct airo_info *local = dev->priv;
6164
6165 readConfigRid(local, 1);
6166 vwrq->value = local->config.rtsThres;
6167 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6168 vwrq->fixed = 1;
6169
6170 return 0;
6171 }
6172
6173 /*------------------------------------------------------------------*/
6174 /*
6175 * Wireless Handler : set Fragmentation threshold
6176 */
6177 static int airo_set_frag(struct net_device *dev,
6178 struct iw_request_info *info,
6179 struct iw_param *vwrq,
6180 char *extra)
6181 {
6182 struct airo_info *local = dev->priv;
6183 int fthr = vwrq->value;
6184
6185 if(vwrq->disabled)
6186 fthr = AIRO_DEF_MTU;
6187 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6188 return -EINVAL;
6189 }
6190 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6191 readConfigRid(local, 1);
6192 local->config.fragThresh = (u16)fthr;
6193 set_bit (FLAG_COMMIT, &local->flags);
6194
6195 return -EINPROGRESS; /* Call commit handler */
6196 }
6197
6198 /*------------------------------------------------------------------*/
6199 /*
6200 * Wireless Handler : get Fragmentation threshold
6201 */
6202 static int airo_get_frag(struct net_device *dev,
6203 struct iw_request_info *info,
6204 struct iw_param *vwrq,
6205 char *extra)
6206 {
6207 struct airo_info *local = dev->priv;
6208
6209 readConfigRid(local, 1);
6210 vwrq->value = local->config.fragThresh;
6211 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6212 vwrq->fixed = 1;
6213
6214 return 0;
6215 }
6216
6217 /*------------------------------------------------------------------*/
6218 /*
6219 * Wireless Handler : set Mode of Operation
6220 */
6221 static int airo_set_mode(struct net_device *dev,
6222 struct iw_request_info *info,
6223 __u32 *uwrq,
6224 char *extra)
6225 {
6226 struct airo_info *local = dev->priv;
6227 int reset = 0;
6228
6229 readConfigRid(local, 1);
6230 if ((local->config.rmode & 0xff) >= RXMODE_RFMON)
6231 reset = 1;
6232
6233 switch(*uwrq) {
6234 case IW_MODE_ADHOC:
6235 local->config.opmode &= 0xFF00;
6236 local->config.opmode |= MODE_STA_IBSS;
6237 local->config.rmode &= 0xfe00;
6238 local->config.scanMode = SCANMODE_ACTIVE;
6239 clear_bit (FLAG_802_11, &local->flags);
6240 break;
6241 case IW_MODE_INFRA:
6242 local->config.opmode &= 0xFF00;
6243 local->config.opmode |= MODE_STA_ESS;
6244 local->config.rmode &= 0xfe00;
6245 local->config.scanMode = SCANMODE_ACTIVE;
6246 clear_bit (FLAG_802_11, &local->flags);
6247 break;
6248 case IW_MODE_MASTER:
6249 local->config.opmode &= 0xFF00;
6250 local->config.opmode |= MODE_AP;
6251 local->config.rmode &= 0xfe00;
6252 local->config.scanMode = SCANMODE_ACTIVE;
6253 clear_bit (FLAG_802_11, &local->flags);
6254 break;
6255 case IW_MODE_REPEAT:
6256 local->config.opmode &= 0xFF00;
6257 local->config.opmode |= MODE_AP_RPTR;
6258 local->config.rmode &= 0xfe00;
6259 local->config.scanMode = SCANMODE_ACTIVE;
6260 clear_bit (FLAG_802_11, &local->flags);
6261 break;
6262 case IW_MODE_MONITOR:
6263 local->config.opmode &= 0xFF00;
6264 local->config.opmode |= MODE_STA_ESS;
6265 local->config.rmode &= 0xfe00;
6266 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6267 local->config.scanMode = SCANMODE_PASSIVE;
6268 set_bit (FLAG_802_11, &local->flags);
6269 break;
6270 default:
6271 return -EINVAL;
6272 }
6273 if (reset)
6274 set_bit (FLAG_RESET, &local->flags);
6275 set_bit (FLAG_COMMIT, &local->flags);
6276
6277 return -EINPROGRESS; /* Call commit handler */
6278 }
6279
6280 /*------------------------------------------------------------------*/
6281 /*
6282 * Wireless Handler : get Mode of Operation
6283 */
6284 static int airo_get_mode(struct net_device *dev,
6285 struct iw_request_info *info,
6286 __u32 *uwrq,
6287 char *extra)
6288 {
6289 struct airo_info *local = dev->priv;
6290
6291 readConfigRid(local, 1);
6292 /* If not managed, assume it's ad-hoc */
6293 switch (local->config.opmode & 0xFF) {
6294 case MODE_STA_ESS:
6295 *uwrq = IW_MODE_INFRA;
6296 break;
6297 case MODE_AP:
6298 *uwrq = IW_MODE_MASTER;
6299 break;
6300 case MODE_AP_RPTR:
6301 *uwrq = IW_MODE_REPEAT;
6302 break;
6303 default:
6304 *uwrq = IW_MODE_ADHOC;
6305 }
6306
6307 return 0;
6308 }
6309
6310 /*------------------------------------------------------------------*/
6311 /*
6312 * Wireless Handler : set Encryption Key
6313 */
6314 static int airo_set_encode(struct net_device *dev,
6315 struct iw_request_info *info,
6316 struct iw_point *dwrq,
6317 char *extra)
6318 {
6319 struct airo_info *local = dev->priv;
6320 CapabilityRid cap_rid; /* Card capability info */
6321 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6322 u16 currentAuthType = local->config.authType;
6323
6324 /* Is WEP supported ? */
6325 readCapabilityRid(local, &cap_rid, 1);
6326 /* Older firmware doesn't support this...
6327 if(!(cap_rid.softCap & 2)) {
6328 return -EOPNOTSUPP;
6329 } */
6330 readConfigRid(local, 1);
6331
6332 /* Basic checking: do we have a key to set ?
6333 * Note : with the new API, it's impossible to get a NULL pointer.
6334 * Therefore, we need to check a key size == 0 instead.
6335 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6336 * when no key is present (only change flags), but older versions
6337 * don't do it. - Jean II */
6338 if (dwrq->length > 0) {
6339 wep_key_t key;
6340 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6341 int current_index = get_wep_key(local, 0xffff);
6342 /* Check the size of the key */
6343 if (dwrq->length > MAX_KEY_SIZE) {
6344 return -EINVAL;
6345 }
6346 /* Check the index (none -> use current) */
6347 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4:1)))
6348 index = current_index;
6349 /* Set the length */
6350 if (dwrq->length > MIN_KEY_SIZE)
6351 key.len = MAX_KEY_SIZE;
6352 else
6353 if (dwrq->length > 0)
6354 key.len = MIN_KEY_SIZE;
6355 else
6356 /* Disable the key */
6357 key.len = 0;
6358 /* Check if the key is not marked as invalid */
6359 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6360 /* Cleanup */
6361 memset(key.key, 0, MAX_KEY_SIZE);
6362 /* Copy the key in the driver */
6363 memcpy(key.key, extra, dwrq->length);
6364 /* Send the key to the card */
6365 set_wep_key(local, index, key.key, key.len, perm, 1);
6366 }
6367 /* WE specify that if a valid key is set, encryption
6368 * should be enabled (user may turn it off later)
6369 * This is also how "iwconfig ethX key on" works */
6370 if((index == current_index) && (key.len > 0) &&
6371 (local->config.authType == AUTH_OPEN)) {
6372 local->config.authType = AUTH_ENCRYPT;
6373 }
6374 } else {
6375 /* Do we want to just set the transmit key index ? */
6376 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6377 if ((index >= 0) && (index < ((cap_rid.softCap & 0x80)?4:1))) {
6378 set_wep_key(local, index, NULL, 0, perm, 1);
6379 } else
6380 /* Don't complain if only change the mode */
6381 if(!dwrq->flags & IW_ENCODE_MODE) {
6382 return -EINVAL;
6383 }
6384 }
6385 /* Read the flags */
6386 if(dwrq->flags & IW_ENCODE_DISABLED)
6387 local->config.authType = AUTH_OPEN; // disable encryption
6388 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6389 local->config.authType = AUTH_SHAREDKEY; // Only Both
6390 if(dwrq->flags & IW_ENCODE_OPEN)
6391 local->config.authType = AUTH_ENCRYPT; // Only Wep
6392 /* Commit the changes to flags if needed */
6393 if (local->config.authType != currentAuthType)
6394 set_bit (FLAG_COMMIT, &local->flags);
6395 return -EINPROGRESS; /* Call commit handler */
6396 }
6397
6398 /*------------------------------------------------------------------*/
6399 /*
6400 * Wireless Handler : get Encryption Key
6401 */
6402 static int airo_get_encode(struct net_device *dev,
6403 struct iw_request_info *info,
6404 struct iw_point *dwrq,
6405 char *extra)
6406 {
6407 struct airo_info *local = dev->priv;
6408 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6409 CapabilityRid cap_rid; /* Card capability info */
6410
6411 /* Is it supported ? */
6412 readCapabilityRid(local, &cap_rid, 1);
6413 if(!(cap_rid.softCap & 2)) {
6414 return -EOPNOTSUPP;
6415 }
6416 readConfigRid(local, 1);
6417 /* Check encryption mode */
6418 switch(local->config.authType) {
6419 case AUTH_ENCRYPT:
6420 dwrq->flags = IW_ENCODE_OPEN;
6421 break;
6422 case AUTH_SHAREDKEY:
6423 dwrq->flags = IW_ENCODE_RESTRICTED;
6424 break;
6425 default:
6426 case AUTH_OPEN:
6427 dwrq->flags = IW_ENCODE_DISABLED;
6428 break;
6429 }
6430 /* We can't return the key, so set the proper flag and return zero */
6431 dwrq->flags |= IW_ENCODE_NOKEY;
6432 memset(extra, 0, 16);
6433
6434 /* Which key do we want ? -1 -> tx index */
6435 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4 : 1)))
6436 index = get_wep_key(local, 0xffff);
6437 dwrq->flags |= index + 1;
6438 /* Copy the key to the user buffer */
6439 dwrq->length = get_wep_key(local, index);
6440 if (dwrq->length > 16) {
6441 dwrq->length=0;
6442 }
6443 return 0;
6444 }
6445
6446 /*------------------------------------------------------------------*/
6447 /*
6448 * Wireless Handler : set extended Encryption parameters
6449 */
6450 static int airo_set_encodeext(struct net_device *dev,
6451 struct iw_request_info *info,
6452 union iwreq_data *wrqu,
6453 char *extra)
6454 {
6455 struct airo_info *local = dev->priv;
6456 struct iw_point *encoding = &wrqu->encoding;
6457 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6458 CapabilityRid cap_rid; /* Card capability info */
6459 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6460 u16 currentAuthType = local->config.authType;
6461 int idx, key_len, alg = ext->alg, set_key = 1;
6462 wep_key_t key;
6463
6464 /* Is WEP supported ? */
6465 readCapabilityRid(local, &cap_rid, 1);
6466 /* Older firmware doesn't support this...
6467 if(!(cap_rid.softCap & 2)) {
6468 return -EOPNOTSUPP;
6469 } */
6470 readConfigRid(local, 1);
6471
6472 /* Determine and validate the key index */
6473 idx = encoding->flags & IW_ENCODE_INDEX;
6474 if (idx) {
6475 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6476 return -EINVAL;
6477 idx--;
6478 } else
6479 idx = get_wep_key(local, 0xffff);
6480
6481 if (encoding->flags & IW_ENCODE_DISABLED)
6482 alg = IW_ENCODE_ALG_NONE;
6483
6484 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6485 /* Only set transmit key index here, actual
6486 * key is set below if needed.
6487 */
6488 set_wep_key(local, idx, NULL, 0, perm, 1);
6489 set_key = ext->key_len > 0 ? 1 : 0;
6490 }
6491
6492 if (set_key) {
6493 /* Set the requested key first */
6494 memset(key.key, 0, MAX_KEY_SIZE);
6495 switch (alg) {
6496 case IW_ENCODE_ALG_NONE:
6497 key.len = 0;
6498 break;
6499 case IW_ENCODE_ALG_WEP:
6500 if (ext->key_len > MIN_KEY_SIZE) {
6501 key.len = MAX_KEY_SIZE;
6502 } else if (ext->key_len > 0) {
6503 key.len = MIN_KEY_SIZE;
6504 } else {
6505 return -EINVAL;
6506 }
6507 key_len = min (ext->key_len, key.len);
6508 memcpy(key.key, ext->key, key_len);
6509 break;
6510 default:
6511 return -EINVAL;
6512 }
6513 /* Send the key to the card */
6514 set_wep_key(local, idx, key.key, key.len, perm, 1);
6515 }
6516
6517 /* Read the flags */
6518 if(encoding->flags & IW_ENCODE_DISABLED)
6519 local->config.authType = AUTH_OPEN; // disable encryption
6520 if(encoding->flags & IW_ENCODE_RESTRICTED)
6521 local->config.authType = AUTH_SHAREDKEY; // Only Both
6522 if(encoding->flags & IW_ENCODE_OPEN)
6523 local->config.authType = AUTH_ENCRYPT; // Only Wep
6524 /* Commit the changes to flags if needed */
6525 if (local->config.authType != currentAuthType)
6526 set_bit (FLAG_COMMIT, &local->flags);
6527
6528 return -EINPROGRESS;
6529 }
6530
6531
6532 /*------------------------------------------------------------------*/
6533 /*
6534 * Wireless Handler : get extended Encryption parameters
6535 */
6536 static int airo_get_encodeext(struct net_device *dev,
6537 struct iw_request_info *info,
6538 union iwreq_data *wrqu,
6539 char *extra)
6540 {
6541 struct airo_info *local = dev->priv;
6542 struct iw_point *encoding = &wrqu->encoding;
6543 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6544 CapabilityRid cap_rid; /* Card capability info */
6545 int idx, max_key_len;
6546
6547 /* Is it supported ? */
6548 readCapabilityRid(local, &cap_rid, 1);
6549 if(!(cap_rid.softCap & 2)) {
6550 return -EOPNOTSUPP;
6551 }
6552 readConfigRid(local, 1);
6553
6554 max_key_len = encoding->length - sizeof(*ext);
6555 if (max_key_len < 0)
6556 return -EINVAL;
6557
6558 idx = encoding->flags & IW_ENCODE_INDEX;
6559 if (idx) {
6560 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6561 return -EINVAL;
6562 idx--;
6563 } else
6564 idx = get_wep_key(local, 0xffff);
6565
6566 encoding->flags = idx + 1;
6567 memset(ext, 0, sizeof(*ext));
6568
6569 /* Check encryption mode */
6570 switch(local->config.authType) {
6571 case AUTH_ENCRYPT:
6572 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6573 break;
6574 case AUTH_SHAREDKEY:
6575 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6576 break;
6577 default:
6578 case AUTH_OPEN:
6579 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6580 break;
6581 }
6582 /* We can't return the key, so set the proper flag and return zero */
6583 encoding->flags |= IW_ENCODE_NOKEY;
6584 memset(extra, 0, 16);
6585
6586 /* Copy the key to the user buffer */
6587 ext->key_len = get_wep_key(local, idx);
6588 if (ext->key_len > 16) {
6589 ext->key_len=0;
6590 }
6591
6592 return 0;
6593 }
6594
6595
6596 /*------------------------------------------------------------------*/
6597 /*
6598 * Wireless Handler : set extended authentication parameters
6599 */
6600 static int airo_set_auth(struct net_device *dev,
6601 struct iw_request_info *info,
6602 union iwreq_data *wrqu, char *extra)
6603 {
6604 struct airo_info *local = dev->priv;
6605 struct iw_param *param = &wrqu->param;
6606 u16 currentAuthType = local->config.authType;
6607
6608 switch (param->flags & IW_AUTH_INDEX) {
6609 case IW_AUTH_WPA_VERSION:
6610 case IW_AUTH_CIPHER_PAIRWISE:
6611 case IW_AUTH_CIPHER_GROUP:
6612 case IW_AUTH_KEY_MGMT:
6613 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6614 case IW_AUTH_PRIVACY_INVOKED:
6615 /*
6616 * airo does not use these parameters
6617 */
6618 break;
6619
6620 case IW_AUTH_DROP_UNENCRYPTED:
6621 if (param->value) {
6622 /* Only change auth type if unencrypted */
6623 if (currentAuthType == AUTH_OPEN)
6624 local->config.authType = AUTH_ENCRYPT;
6625 } else {
6626 local->config.authType = AUTH_OPEN;
6627 }
6628
6629 /* Commit the changes to flags if needed */
6630 if (local->config.authType != currentAuthType)
6631 set_bit (FLAG_COMMIT, &local->flags);
6632 break;
6633
6634 case IW_AUTH_80211_AUTH_ALG: {
6635 /* FIXME: What about AUTH_OPEN? This API seems to
6636 * disallow setting our auth to AUTH_OPEN.
6637 */
6638 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6639 local->config.authType = AUTH_SHAREDKEY;
6640 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6641 local->config.authType = AUTH_ENCRYPT;
6642 } else
6643 return -EINVAL;
6644 break;
6645
6646 /* Commit the changes to flags if needed */
6647 if (local->config.authType != currentAuthType)
6648 set_bit (FLAG_COMMIT, &local->flags);
6649 }
6650
6651 case IW_AUTH_WPA_ENABLED:
6652 /* Silently accept disable of WPA */
6653 if (param->value > 0)
6654 return -EOPNOTSUPP;
6655 break;
6656
6657 default:
6658 return -EOPNOTSUPP;
6659 }
6660 return -EINPROGRESS;
6661 }
6662
6663
6664 /*------------------------------------------------------------------*/
6665 /*
6666 * Wireless Handler : get extended authentication parameters
6667 */
6668 static int airo_get_auth(struct net_device *dev,
6669 struct iw_request_info *info,
6670 union iwreq_data *wrqu, char *extra)
6671 {
6672 struct airo_info *local = dev->priv;
6673 struct iw_param *param = &wrqu->param;
6674 u16 currentAuthType = local->config.authType;
6675
6676 switch (param->flags & IW_AUTH_INDEX) {
6677 case IW_AUTH_DROP_UNENCRYPTED:
6678 switch (currentAuthType) {
6679 case AUTH_SHAREDKEY:
6680 case AUTH_ENCRYPT:
6681 param->value = 1;
6682 break;
6683 default:
6684 param->value = 0;
6685 break;
6686 }
6687 break;
6688
6689 case IW_AUTH_80211_AUTH_ALG:
6690 switch (currentAuthType) {
6691 case AUTH_SHAREDKEY:
6692 param->value = IW_AUTH_ALG_SHARED_KEY;
6693 break;
6694 case AUTH_ENCRYPT:
6695 default:
6696 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6697 break;
6698 }
6699 break;
6700
6701 case IW_AUTH_WPA_ENABLED:
6702 param->value = 0;
6703 break;
6704
6705 default:
6706 return -EOPNOTSUPP;
6707 }
6708 return 0;
6709 }
6710
6711
6712 /*------------------------------------------------------------------*/
6713 /*
6714 * Wireless Handler : set Tx-Power
6715 */
6716 static int airo_set_txpow(struct net_device *dev,
6717 struct iw_request_info *info,
6718 struct iw_param *vwrq,
6719 char *extra)
6720 {
6721 struct airo_info *local = dev->priv;
6722 CapabilityRid cap_rid; /* Card capability info */
6723 int i;
6724 int rc = -EINVAL;
6725
6726 readCapabilityRid(local, &cap_rid, 1);
6727
6728 if (vwrq->disabled) {
6729 set_bit (FLAG_RADIO_OFF, &local->flags);
6730 set_bit (FLAG_COMMIT, &local->flags);
6731 return -EINPROGRESS; /* Call commit handler */
6732 }
6733 if (vwrq->flags != IW_TXPOW_MWATT) {
6734 return -EINVAL;
6735 }
6736 clear_bit (FLAG_RADIO_OFF, &local->flags);
6737 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6738 if ((vwrq->value==cap_rid.txPowerLevels[i])) {
6739 readConfigRid(local, 1);
6740 local->config.txPower = vwrq->value;
6741 set_bit (FLAG_COMMIT, &local->flags);
6742 rc = -EINPROGRESS; /* Call commit handler */
6743 break;
6744 }
6745 return rc;
6746 }
6747
6748 /*------------------------------------------------------------------*/
6749 /*
6750 * Wireless Handler : get Tx-Power
6751 */
6752 static int airo_get_txpow(struct net_device *dev,
6753 struct iw_request_info *info,
6754 struct iw_param *vwrq,
6755 char *extra)
6756 {
6757 struct airo_info *local = dev->priv;
6758
6759 readConfigRid(local, 1);
6760 vwrq->value = local->config.txPower;
6761 vwrq->fixed = 1; /* No power control */
6762 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6763 vwrq->flags = IW_TXPOW_MWATT;
6764
6765 return 0;
6766 }
6767
6768 /*------------------------------------------------------------------*/
6769 /*
6770 * Wireless Handler : set Retry limits
6771 */
6772 static int airo_set_retry(struct net_device *dev,
6773 struct iw_request_info *info,
6774 struct iw_param *vwrq,
6775 char *extra)
6776 {
6777 struct airo_info *local = dev->priv;
6778 int rc = -EINVAL;
6779
6780 if(vwrq->disabled) {
6781 return -EINVAL;
6782 }
6783 readConfigRid(local, 1);
6784 if(vwrq->flags & IW_RETRY_LIMIT) {
6785 if(vwrq->flags & IW_RETRY_LONG)
6786 local->config.longRetryLimit = vwrq->value;
6787 else if (vwrq->flags & IW_RETRY_SHORT)
6788 local->config.shortRetryLimit = vwrq->value;
6789 else {
6790 /* No modifier : set both */
6791 local->config.longRetryLimit = vwrq->value;
6792 local->config.shortRetryLimit = vwrq->value;
6793 }
6794 set_bit (FLAG_COMMIT, &local->flags);
6795 rc = -EINPROGRESS; /* Call commit handler */
6796 }
6797 if(vwrq->flags & IW_RETRY_LIFETIME) {
6798 local->config.txLifetime = vwrq->value / 1024;
6799 set_bit (FLAG_COMMIT, &local->flags);
6800 rc = -EINPROGRESS; /* Call commit handler */
6801 }
6802 return rc;
6803 }
6804
6805 /*------------------------------------------------------------------*/
6806 /*
6807 * Wireless Handler : get Retry limits
6808 */
6809 static int airo_get_retry(struct net_device *dev,
6810 struct iw_request_info *info,
6811 struct iw_param *vwrq,
6812 char *extra)
6813 {
6814 struct airo_info *local = dev->priv;
6815
6816 vwrq->disabled = 0; /* Can't be disabled */
6817
6818 readConfigRid(local, 1);
6819 /* Note : by default, display the min retry number */
6820 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6821 vwrq->flags = IW_RETRY_LIFETIME;
6822 vwrq->value = (int)local->config.txLifetime * 1024;
6823 } else if((vwrq->flags & IW_RETRY_LONG)) {
6824 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6825 vwrq->value = (int)local->config.longRetryLimit;
6826 } else {
6827 vwrq->flags = IW_RETRY_LIMIT;
6828 vwrq->value = (int)local->config.shortRetryLimit;
6829 if((int)local->config.shortRetryLimit != (int)local->config.longRetryLimit)
6830 vwrq->flags |= IW_RETRY_SHORT;
6831 }
6832
6833 return 0;
6834 }
6835
6836 /*------------------------------------------------------------------*/
6837 /*
6838 * Wireless Handler : get range info
6839 */
6840 static int airo_get_range(struct net_device *dev,
6841 struct iw_request_info *info,
6842 struct iw_point *dwrq,
6843 char *extra)
6844 {
6845 struct airo_info *local = dev->priv;
6846 struct iw_range *range = (struct iw_range *) extra;
6847 CapabilityRid cap_rid; /* Card capability info */
6848 int i;
6849 int k;
6850
6851 readCapabilityRid(local, &cap_rid, 1);
6852
6853 dwrq->length = sizeof(struct iw_range);
6854 memset(range, 0, sizeof(*range));
6855 range->min_nwid = 0x0000;
6856 range->max_nwid = 0x0000;
6857 range->num_channels = 14;
6858 /* Should be based on cap_rid.country to give only
6859 * what the current card support */
6860 k = 0;
6861 for(i = 0; i < 14; i++) {
6862 range->freq[k].i = i + 1; /* List index */
6863 range->freq[k].m = frequency_list[i] * 100000;
6864 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6865 }
6866 range->num_frequency = k;
6867
6868 range->sensitivity = 65535;
6869
6870 /* Hum... Should put the right values there */
6871 if (local->rssi)
6872 range->max_qual.qual = 100; /* % */
6873 else
6874 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6875 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6876 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6877
6878 /* Experimental measurements - boundary 11/5.5 Mb/s */
6879 /* Note : with or without the (local->rssi), results
6880 * are somewhat different. - Jean II */
6881 if (local->rssi) {
6882 range->avg_qual.qual = 50; /* % */
6883 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6884 } else {
6885 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6886 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6887 }
6888 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6889
6890 for(i = 0 ; i < 8 ; i++) {
6891 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6892 if(range->bitrate[i] == 0)
6893 break;
6894 }
6895 range->num_bitrates = i;
6896
6897 /* Set an indication of the max TCP throughput
6898 * in bit/s that we can expect using this interface.
6899 * May be use for QoS stuff... Jean II */
6900 if(i > 2)
6901 range->throughput = 5000 * 1000;
6902 else
6903 range->throughput = 1500 * 1000;
6904
6905 range->min_rts = 0;
6906 range->max_rts = AIRO_DEF_MTU;
6907 range->min_frag = 256;
6908 range->max_frag = AIRO_DEF_MTU;
6909
6910 if(cap_rid.softCap & 2) {
6911 // WEP: RC4 40 bits
6912 range->encoding_size[0] = 5;
6913 // RC4 ~128 bits
6914 if (cap_rid.softCap & 0x100) {
6915 range->encoding_size[1] = 13;
6916 range->num_encoding_sizes = 2;
6917 } else
6918 range->num_encoding_sizes = 1;
6919 range->max_encoding_tokens = (cap_rid.softCap & 0x80) ? 4 : 1;
6920 } else {
6921 range->num_encoding_sizes = 0;
6922 range->max_encoding_tokens = 0;
6923 }
6924 range->min_pmp = 0;
6925 range->max_pmp = 5000000; /* 5 secs */
6926 range->min_pmt = 0;
6927 range->max_pmt = 65535 * 1024; /* ??? */
6928 range->pmp_flags = IW_POWER_PERIOD;
6929 range->pmt_flags = IW_POWER_TIMEOUT;
6930 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6931
6932 /* Transmit Power - values are in mW */
6933 for(i = 0 ; i < 8 ; i++) {
6934 range->txpower[i] = cap_rid.txPowerLevels[i];
6935 if(range->txpower[i] == 0)
6936 break;
6937 }
6938 range->num_txpower = i;
6939 range->txpower_capa = IW_TXPOW_MWATT;
6940 range->we_version_source = 19;
6941 range->we_version_compiled = WIRELESS_EXT;
6942 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6943 range->retry_flags = IW_RETRY_LIMIT;
6944 range->r_time_flags = IW_RETRY_LIFETIME;
6945 range->min_retry = 1;
6946 range->max_retry = 65535;
6947 range->min_r_time = 1024;
6948 range->max_r_time = 65535 * 1024;
6949
6950 /* Event capability (kernel + driver) */
6951 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6952 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6953 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6954 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6955 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6956 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6957 return 0;
6958 }
6959
6960 /*------------------------------------------------------------------*/
6961 /*
6962 * Wireless Handler : set Power Management
6963 */
6964 static int airo_set_power(struct net_device *dev,
6965 struct iw_request_info *info,
6966 struct iw_param *vwrq,
6967 char *extra)
6968 {
6969 struct airo_info *local = dev->priv;
6970
6971 readConfigRid(local, 1);
6972 if (vwrq->disabled) {
6973 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6974 return -EINVAL;
6975 }
6976 local->config.powerSaveMode = POWERSAVE_CAM;
6977 local->config.rmode &= 0xFF00;
6978 local->config.rmode |= RXMODE_BC_MC_ADDR;
6979 set_bit (FLAG_COMMIT, &local->flags);
6980 return -EINPROGRESS; /* Call commit handler */
6981 }
6982 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6983 local->config.fastListenDelay = (vwrq->value + 500) / 1024;
6984 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6985 set_bit (FLAG_COMMIT, &local->flags);
6986 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
6987 local->config.fastListenInterval = local->config.listenInterval = (vwrq->value + 500) / 1024;
6988 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6989 set_bit (FLAG_COMMIT, &local->flags);
6990 }
6991 switch (vwrq->flags & IW_POWER_MODE) {
6992 case IW_POWER_UNICAST_R:
6993 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6994 return -EINVAL;
6995 }
6996 local->config.rmode &= 0xFF00;
6997 local->config.rmode |= RXMODE_ADDR;
6998 set_bit (FLAG_COMMIT, &local->flags);
6999 break;
7000 case IW_POWER_ALL_R:
7001 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7002 return -EINVAL;
7003 }
7004 local->config.rmode &= 0xFF00;
7005 local->config.rmode |= RXMODE_BC_MC_ADDR;
7006 set_bit (FLAG_COMMIT, &local->flags);
7007 case IW_POWER_ON:
7008 /* This is broken, fixme ;-) */
7009 break;
7010 default:
7011 return -EINVAL;
7012 }
7013 // Note : we may want to factor local->need_commit here
7014 // Note2 : may also want to factor RXMODE_RFMON test
7015 return -EINPROGRESS; /* Call commit handler */
7016 }
7017
7018 /*------------------------------------------------------------------*/
7019 /*
7020 * Wireless Handler : get Power Management
7021 */
7022 static int airo_get_power(struct net_device *dev,
7023 struct iw_request_info *info,
7024 struct iw_param *vwrq,
7025 char *extra)
7026 {
7027 struct airo_info *local = dev->priv;
7028 int mode;
7029
7030 readConfigRid(local, 1);
7031 mode = local->config.powerSaveMode;
7032 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7033 return 0;
7034 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7035 vwrq->value = (int)local->config.fastListenDelay * 1024;
7036 vwrq->flags = IW_POWER_TIMEOUT;
7037 } else {
7038 vwrq->value = (int)local->config.fastListenInterval * 1024;
7039 vwrq->flags = IW_POWER_PERIOD;
7040 }
7041 if ((local->config.rmode & 0xFF) == RXMODE_ADDR)
7042 vwrq->flags |= IW_POWER_UNICAST_R;
7043 else
7044 vwrq->flags |= IW_POWER_ALL_R;
7045
7046 return 0;
7047 }
7048
7049 /*------------------------------------------------------------------*/
7050 /*
7051 * Wireless Handler : set Sensitivity
7052 */
7053 static int airo_set_sens(struct net_device *dev,
7054 struct iw_request_info *info,
7055 struct iw_param *vwrq,
7056 char *extra)
7057 {
7058 struct airo_info *local = dev->priv;
7059
7060 readConfigRid(local, 1);
7061 local->config.rssiThreshold = vwrq->disabled ? RSSI_DEFAULT : vwrq->value;
7062 set_bit (FLAG_COMMIT, &local->flags);
7063
7064 return -EINPROGRESS; /* Call commit handler */
7065 }
7066
7067 /*------------------------------------------------------------------*/
7068 /*
7069 * Wireless Handler : get Sensitivity
7070 */
7071 static int airo_get_sens(struct net_device *dev,
7072 struct iw_request_info *info,
7073 struct iw_param *vwrq,
7074 char *extra)
7075 {
7076 struct airo_info *local = dev->priv;
7077
7078 readConfigRid(local, 1);
7079 vwrq->value = local->config.rssiThreshold;
7080 vwrq->disabled = (vwrq->value == 0);
7081 vwrq->fixed = 1;
7082
7083 return 0;
7084 }
7085
7086 /*------------------------------------------------------------------*/
7087 /*
7088 * Wireless Handler : get AP List
7089 * Note : this is deprecated in favor of IWSCAN
7090 */
7091 static int airo_get_aplist(struct net_device *dev,
7092 struct iw_request_info *info,
7093 struct iw_point *dwrq,
7094 char *extra)
7095 {
7096 struct airo_info *local = dev->priv;
7097 struct sockaddr *address = (struct sockaddr *) extra;
7098 struct iw_quality qual[IW_MAX_AP];
7099 BSSListRid BSSList;
7100 int i;
7101 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7102
7103 for (i = 0; i < IW_MAX_AP; i++) {
7104 if (readBSSListRid(local, loseSync, &BSSList))
7105 break;
7106 loseSync = 0;
7107 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7108 address[i].sa_family = ARPHRD_ETHER;
7109 if (local->rssi) {
7110 qual[i].level = 0x100 - BSSList.dBm;
7111 qual[i].qual = airo_dbm_to_pct( local->rssi, BSSList.dBm );
7112 qual[i].updated = IW_QUAL_QUAL_UPDATED
7113 | IW_QUAL_LEVEL_UPDATED
7114 | IW_QUAL_DBM;
7115 } else {
7116 qual[i].level = (BSSList.dBm + 321) / 2;
7117 qual[i].qual = 0;
7118 qual[i].updated = IW_QUAL_QUAL_INVALID
7119 | IW_QUAL_LEVEL_UPDATED
7120 | IW_QUAL_DBM;
7121 }
7122 qual[i].noise = local->wstats.qual.noise;
7123 if (BSSList.index == 0xffff)
7124 break;
7125 }
7126 if (!i) {
7127 StatusRid status_rid; /* Card status info */
7128 readStatusRid(local, &status_rid, 1);
7129 for (i = 0;
7130 i < min(IW_MAX_AP, 4) &&
7131 (status_rid.bssid[i][0]
7132 & status_rid.bssid[i][1]
7133 & status_rid.bssid[i][2]
7134 & status_rid.bssid[i][3]
7135 & status_rid.bssid[i][4]
7136 & status_rid.bssid[i][5])!=0xff &&
7137 (status_rid.bssid[i][0]
7138 | status_rid.bssid[i][1]
7139 | status_rid.bssid[i][2]
7140 | status_rid.bssid[i][3]
7141 | status_rid.bssid[i][4]
7142 | status_rid.bssid[i][5]);
7143 i++) {
7144 memcpy(address[i].sa_data,
7145 status_rid.bssid[i], ETH_ALEN);
7146 address[i].sa_family = ARPHRD_ETHER;
7147 }
7148 } else {
7149 dwrq->flags = 1; /* Should be define'd */
7150 memcpy(extra + sizeof(struct sockaddr)*i,
7151 &qual, sizeof(struct iw_quality)*i);
7152 }
7153 dwrq->length = i;
7154
7155 return 0;
7156 }
7157
7158 /*------------------------------------------------------------------*/
7159 /*
7160 * Wireless Handler : Initiate Scan
7161 */
7162 static int airo_set_scan(struct net_device *dev,
7163 struct iw_request_info *info,
7164 struct iw_param *vwrq,
7165 char *extra)
7166 {
7167 struct airo_info *ai = dev->priv;
7168 Cmd cmd;
7169 Resp rsp;
7170 int wake = 0;
7171
7172 /* Note : you may have realised that, as this is a SET operation,
7173 * this is privileged and therefore a normal user can't
7174 * perform scanning.
7175 * This is not an error, while the device perform scanning,
7176 * traffic doesn't flow, so it's a perfect DoS...
7177 * Jean II */
7178 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7179
7180 if (down_interruptible(&ai->sem))
7181 return -ERESTARTSYS;
7182
7183 /* If there's already a scan in progress, don't
7184 * trigger another one. */
7185 if (ai->scan_timeout > 0)
7186 goto out;
7187
7188 /* Initiate a scan command */
7189 ai->scan_timeout = RUN_AT(3*HZ);
7190 memset(&cmd, 0, sizeof(cmd));
7191 cmd.cmd=CMD_LISTBSS;
7192 issuecommand(ai, &cmd, &rsp);
7193 wake = 1;
7194
7195 out:
7196 up(&ai->sem);
7197 if (wake)
7198 wake_up_interruptible(&ai->thr_wait);
7199 return 0;
7200 }
7201
7202 /*------------------------------------------------------------------*/
7203 /*
7204 * Translate scan data returned from the card to a card independent
7205 * format that the Wireless Tools will understand - Jean II
7206 */
7207 static inline char *airo_translate_scan(struct net_device *dev,
7208 char *current_ev,
7209 char *end_buf,
7210 BSSListRid *bss)
7211 {
7212 struct airo_info *ai = dev->priv;
7213 struct iw_event iwe; /* Temporary buffer */
7214 u16 capabilities;
7215 char * current_val; /* For rates */
7216 int i;
7217 char * buf;
7218
7219 /* First entry *MUST* be the AP MAC address */
7220 iwe.cmd = SIOCGIWAP;
7221 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7222 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7223 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
7224
7225 /* Other entries will be displayed in the order we give them */
7226
7227 /* Add the ESSID */
7228 iwe.u.data.length = bss->ssidLen;
7229 if(iwe.u.data.length > 32)
7230 iwe.u.data.length = 32;
7231 iwe.cmd = SIOCGIWESSID;
7232 iwe.u.data.flags = 1;
7233 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7234
7235 /* Add mode */
7236 iwe.cmd = SIOCGIWMODE;
7237 capabilities = le16_to_cpu(bss->cap);
7238 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7239 if(capabilities & CAP_ESS)
7240 iwe.u.mode = IW_MODE_MASTER;
7241 else
7242 iwe.u.mode = IW_MODE_ADHOC;
7243 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
7244 }
7245
7246 /* Add frequency */
7247 iwe.cmd = SIOCGIWFREQ;
7248 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7249 /* iwe.u.freq.m containt the channel (starting 1), our
7250 * frequency_list array start at index 0...
7251 */
7252 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
7253 iwe.u.freq.e = 1;
7254 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
7255
7256 /* Add quality statistics */
7257 iwe.cmd = IWEVQUAL;
7258 if (ai->rssi) {
7259 iwe.u.qual.level = 0x100 - bss->dBm;
7260 iwe.u.qual.qual = airo_dbm_to_pct( ai->rssi, bss->dBm );
7261 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7262 | IW_QUAL_LEVEL_UPDATED
7263 | IW_QUAL_DBM;
7264 } else {
7265 iwe.u.qual.level = (bss->dBm + 321) / 2;
7266 iwe.u.qual.qual = 0;
7267 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7268 | IW_QUAL_LEVEL_UPDATED
7269 | IW_QUAL_DBM;
7270 }
7271 iwe.u.qual.noise = ai->wstats.qual.noise;
7272 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
7273
7274 /* Add encryption capability */
7275 iwe.cmd = SIOCGIWENCODE;
7276 if(capabilities & CAP_PRIVACY)
7277 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7278 else
7279 iwe.u.data.flags = IW_ENCODE_DISABLED;
7280 iwe.u.data.length = 0;
7281 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7282
7283 /* Rate : stuffing multiple values in a single event require a bit
7284 * more of magic - Jean II */
7285 current_val = current_ev + IW_EV_LCP_LEN;
7286
7287 iwe.cmd = SIOCGIWRATE;
7288 /* Those two flags are ignored... */
7289 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7290 /* Max 8 values */
7291 for(i = 0 ; i < 8 ; i++) {
7292 /* NULL terminated */
7293 if(bss->rates[i] == 0)
7294 break;
7295 /* Bit rate given in 500 kb/s units (+ 0x80) */
7296 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7297 /* Add new value to event */
7298 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
7299 }
7300 /* Check if we added any event */
7301 if((current_val - current_ev) > IW_EV_LCP_LEN)
7302 current_ev = current_val;
7303
7304 /* Beacon interval */
7305 buf = kmalloc(30, GFP_KERNEL);
7306 if (buf) {
7307 iwe.cmd = IWEVCUSTOM;
7308 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7309 iwe.u.data.length = strlen(buf);
7310 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, buf);
7311 kfree(buf);
7312 }
7313
7314 /* Put WPA/RSN Information Elements into the event stream */
7315 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7316 unsigned int num_null_ies = 0;
7317 u16 length = sizeof (bss->extra.iep);
7318 struct ieee80211_info_element *info_element =
7319 (struct ieee80211_info_element *) &bss->extra.iep;
7320
7321 while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) {
7322 if (sizeof(*info_element) + info_element->len > length) {
7323 /* Invalid element, don't continue parsing IE */
7324 break;
7325 }
7326
7327 switch (info_element->id) {
7328 case MFIE_TYPE_SSID:
7329 /* Two zero-length SSID elements
7330 * mean we're done parsing elements */
7331 if (!info_element->len)
7332 num_null_ies++;
7333 break;
7334
7335 case MFIE_TYPE_GENERIC:
7336 if (info_element->len >= 4 &&
7337 info_element->data[0] == 0x00 &&
7338 info_element->data[1] == 0x50 &&
7339 info_element->data[2] == 0xf2 &&
7340 info_element->data[3] == 0x01) {
7341 iwe.cmd = IWEVGENIE;
7342 iwe.u.data.length = min(info_element->len + 2,
7343 MAX_WPA_IE_LEN);
7344 current_ev = iwe_stream_add_point(current_ev, end_buf,
7345 &iwe, (char *) info_element);
7346 }
7347 break;
7348
7349 case MFIE_TYPE_RSN:
7350 iwe.cmd = IWEVGENIE;
7351 iwe.u.data.length = min(info_element->len + 2,
7352 MAX_WPA_IE_LEN);
7353 current_ev = iwe_stream_add_point(current_ev, end_buf,
7354 &iwe, (char *) info_element);
7355 break;
7356
7357 default:
7358 break;
7359 }
7360
7361 length -= sizeof(*info_element) + info_element->len;
7362 info_element =
7363 (struct ieee80211_info_element *)&info_element->
7364 data[info_element->len];
7365 }
7366 }
7367 return current_ev;
7368 }
7369
7370 /*------------------------------------------------------------------*/
7371 /*
7372 * Wireless Handler : Read Scan Results
7373 */
7374 static int airo_get_scan(struct net_device *dev,
7375 struct iw_request_info *info,
7376 struct iw_point *dwrq,
7377 char *extra)
7378 {
7379 struct airo_info *ai = dev->priv;
7380 BSSListElement *net;
7381 int err = 0;
7382 char *current_ev = extra;
7383
7384 /* If a scan is in-progress, return -EAGAIN */
7385 if (ai->scan_timeout > 0)
7386 return -EAGAIN;
7387
7388 if (down_interruptible(&ai->sem))
7389 return -EAGAIN;
7390
7391 list_for_each_entry (net, &ai->network_list, list) {
7392 /* Translate to WE format this entry */
7393 current_ev = airo_translate_scan(dev, current_ev,
7394 extra + dwrq->length,
7395 &net->bss);
7396
7397 /* Check if there is space for one more entry */
7398 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7399 /* Ask user space to try again with a bigger buffer */
7400 err = -E2BIG;
7401 goto out;
7402 }
7403 }
7404
7405 /* Length of data */
7406 dwrq->length = (current_ev - extra);
7407 dwrq->flags = 0; /* todo */
7408
7409 out:
7410 up(&ai->sem);
7411 return err;
7412 }
7413
7414 /*------------------------------------------------------------------*/
7415 /*
7416 * Commit handler : called after a bunch of SET operations
7417 */
7418 static int airo_config_commit(struct net_device *dev,
7419 struct iw_request_info *info, /* NULL */
7420 void *zwrq, /* NULL */
7421 char *extra) /* NULL */
7422 {
7423 struct airo_info *local = dev->priv;
7424 Resp rsp;
7425
7426 if (!test_bit (FLAG_COMMIT, &local->flags))
7427 return 0;
7428
7429 /* Some of the "SET" function may have modified some of the
7430 * parameters. It's now time to commit them in the card */
7431 disable_MAC(local, 1);
7432 if (test_bit (FLAG_RESET, &local->flags)) {
7433 APListRid APList_rid;
7434 SsidRid SSID_rid;
7435
7436 readAPListRid(local, &APList_rid);
7437 readSsidRid(local, &SSID_rid);
7438 if (test_bit(FLAG_MPI,&local->flags))
7439 setup_card(local, dev->dev_addr, 1 );
7440 else
7441 reset_airo_card(dev);
7442 disable_MAC(local, 1);
7443 writeSsidRid(local, &SSID_rid, 1);
7444 writeAPListRid(local, &APList_rid, 1);
7445 }
7446 if (down_interruptible(&local->sem))
7447 return -ERESTARTSYS;
7448 writeConfigRid(local, 0);
7449 enable_MAC(local, &rsp, 0);
7450 if (test_bit (FLAG_RESET, &local->flags))
7451 airo_set_promisc(local);
7452 else
7453 up(&local->sem);
7454
7455 return 0;
7456 }
7457
7458 /*------------------------------------------------------------------*/
7459 /*
7460 * Structures to export the Wireless Handlers
7461 */
7462
7463 static const struct iw_priv_args airo_private_args[] = {
7464 /*{ cmd, set_args, get_args, name } */
7465 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7466 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7467 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7468 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7469 };
7470
7471 static const iw_handler airo_handler[] =
7472 {
7473 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7474 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7475 (iw_handler) NULL, /* SIOCSIWNWID */
7476 (iw_handler) NULL, /* SIOCGIWNWID */
7477 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7478 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7479 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7480 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7481 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7482 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7483 (iw_handler) NULL, /* SIOCSIWRANGE */
7484 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7485 (iw_handler) NULL, /* SIOCSIWPRIV */
7486 (iw_handler) NULL, /* SIOCGIWPRIV */
7487 (iw_handler) NULL, /* SIOCSIWSTATS */
7488 (iw_handler) NULL, /* SIOCGIWSTATS */
7489 iw_handler_set_spy, /* SIOCSIWSPY */
7490 iw_handler_get_spy, /* SIOCGIWSPY */
7491 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7492 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7493 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7494 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7495 (iw_handler) NULL, /* -- hole -- */
7496 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7497 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7498 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7499 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7500 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7501 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7502 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7503 (iw_handler) NULL, /* -- hole -- */
7504 (iw_handler) NULL, /* -- hole -- */
7505 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7506 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7507 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7508 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7509 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7510 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7511 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7512 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7513 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7514 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7515 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7516 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7517 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7518 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7519 (iw_handler) NULL, /* -- hole -- */
7520 (iw_handler) NULL, /* -- hole -- */
7521 (iw_handler) NULL, /* SIOCSIWGENIE */
7522 (iw_handler) NULL, /* SIOCGIWGENIE */
7523 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7524 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7525 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7526 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7527 (iw_handler) NULL, /* SIOCSIWPMKSA */
7528 };
7529
7530 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7531 * We want to force the use of the ioctl code, because those can't be
7532 * won't work the iw_handler code (because they simultaneously read
7533 * and write data and iw_handler can't do that).
7534 * Note that it's perfectly legal to read/write on a single ioctl command,
7535 * you just can't use iwpriv and need to force it via the ioctl handler.
7536 * Jean II */
7537 static const iw_handler airo_private_handler[] =
7538 {
7539 NULL, /* SIOCIWFIRSTPRIV */
7540 };
7541
7542 static const struct iw_handler_def airo_handler_def =
7543 {
7544 .num_standard = sizeof(airo_handler)/sizeof(iw_handler),
7545 .num_private = sizeof(airo_private_handler)/sizeof(iw_handler),
7546 .num_private_args = sizeof(airo_private_args)/sizeof(struct iw_priv_args),
7547 .standard = airo_handler,
7548 .private = airo_private_handler,
7549 .private_args = airo_private_args,
7550 .get_wireless_stats = airo_get_wireless_stats,
7551 };
7552
7553 /*
7554 * This defines the configuration part of the Wireless Extensions
7555 * Note : irq and spinlock protection will occur in the subroutines
7556 *
7557 * TODO :
7558 * o Check input value more carefully and fill correct values in range
7559 * o Test and shakeout the bugs (if any)
7560 *
7561 * Jean II
7562 *
7563 * Javier Achirica did a great job of merging code from the unnamed CISCO
7564 * developer that added support for flashing the card.
7565 */
7566 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7567 {
7568 int rc = 0;
7569 struct airo_info *ai = (struct airo_info *)dev->priv;
7570
7571 if (ai->power.event)
7572 return 0;
7573
7574 switch (cmd) {
7575 #ifdef CISCO_EXT
7576 case AIROIDIFC:
7577 #ifdef AIROOLDIDIFC
7578 case AIROOLDIDIFC:
7579 #endif
7580 {
7581 int val = AIROMAGIC;
7582 aironet_ioctl com;
7583 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7584 rc = -EFAULT;
7585 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7586 rc = -EFAULT;
7587 }
7588 break;
7589
7590 case AIROIOCTL:
7591 #ifdef AIROOLDIOCTL
7592 case AIROOLDIOCTL:
7593 #endif
7594 /* Get the command struct and hand it off for evaluation by
7595 * the proper subfunction
7596 */
7597 {
7598 aironet_ioctl com;
7599 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7600 rc = -EFAULT;
7601 break;
7602 }
7603
7604 /* Separate R/W functions bracket legality here
7605 */
7606 if ( com.command == AIRORSWVERSION ) {
7607 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7608 rc = -EFAULT;
7609 else
7610 rc = 0;
7611 }
7612 else if ( com.command <= AIRORRID)
7613 rc = readrids(dev,&com);
7614 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7615 rc = writerids(dev,&com);
7616 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7617 rc = flashcard(dev,&com);
7618 else
7619 rc = -EINVAL; /* Bad command in ioctl */
7620 }
7621 break;
7622 #endif /* CISCO_EXT */
7623
7624 // All other calls are currently unsupported
7625 default:
7626 rc = -EOPNOTSUPP;
7627 }
7628 return rc;
7629 }
7630
7631 /*
7632 * Get the Wireless stats out of the driver
7633 * Note : irq and spinlock protection will occur in the subroutines
7634 *
7635 * TODO :
7636 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7637 *
7638 * Jean
7639 */
7640 static void airo_read_wireless_stats(struct airo_info *local)
7641 {
7642 StatusRid status_rid;
7643 StatsRid stats_rid;
7644 CapabilityRid cap_rid;
7645 u32 *vals = stats_rid.vals;
7646
7647 /* Get stats out of the card */
7648 clear_bit(JOB_WSTATS, &local->jobs);
7649 if (local->power.event) {
7650 up(&local->sem);
7651 return;
7652 }
7653 readCapabilityRid(local, &cap_rid, 0);
7654 readStatusRid(local, &status_rid, 0);
7655 readStatsRid(local, &stats_rid, RID_STATS, 0);
7656 up(&local->sem);
7657
7658 /* The status */
7659 local->wstats.status = status_rid.mode;
7660
7661 /* Signal quality and co */
7662 if (local->rssi) {
7663 local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
7664 /* normalizedSignalStrength appears to be a percentage */
7665 local->wstats.qual.qual = status_rid.normalizedSignalStrength;
7666 } else {
7667 local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
7668 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7669 }
7670 if (status_rid.len >= 124) {
7671 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7672 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7673 } else {
7674 local->wstats.qual.noise = 0;
7675 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7676 }
7677
7678 /* Packets discarded in the wireless adapter due to wireless
7679 * specific problems */
7680 local->wstats.discard.nwid = vals[56] + vals[57] + vals[58];/* SSID Mismatch */
7681 local->wstats.discard.code = vals[6];/* RxWepErr */
7682 local->wstats.discard.fragment = vals[30];
7683 local->wstats.discard.retries = vals[10];
7684 local->wstats.discard.misc = vals[1] + vals[32];
7685 local->wstats.miss.beacon = vals[34];
7686 }
7687
7688 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7689 {
7690 struct airo_info *local = dev->priv;
7691
7692 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7693 /* Get stats out of the card if available */
7694 if (down_trylock(&local->sem) != 0) {
7695 set_bit(JOB_WSTATS, &local->jobs);
7696 wake_up_interruptible(&local->thr_wait);
7697 } else
7698 airo_read_wireless_stats(local);
7699 }
7700
7701 return &local->wstats;
7702 }
7703
7704 #ifdef CISCO_EXT
7705 /*
7706 * This just translates from driver IOCTL codes to the command codes to
7707 * feed to the radio's host interface. Things can be added/deleted
7708 * as needed. This represents the READ side of control I/O to
7709 * the card
7710 */
7711 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7712 unsigned short ridcode;
7713 unsigned char *iobuf;
7714 int len;
7715 struct airo_info *ai = dev->priv;
7716 Resp rsp;
7717
7718 if (test_bit(FLAG_FLASHING, &ai->flags))
7719 return -EIO;
7720
7721 switch(comp->command)
7722 {
7723 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7724 case AIROGCFG: ridcode = RID_CONFIG;
7725 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7726 disable_MAC (ai, 1);
7727 writeConfigRid (ai, 1);
7728 enable_MAC (ai, &rsp, 1);
7729 }
7730 break;
7731 case AIROGSLIST: ridcode = RID_SSID; break;
7732 case AIROGVLIST: ridcode = RID_APLIST; break;
7733 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7734 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7735 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7736 /* Only super-user can read WEP keys */
7737 if (!capable(CAP_NET_ADMIN))
7738 return -EPERM;
7739 break;
7740 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7741 /* Only super-user can read WEP keys */
7742 if (!capable(CAP_NET_ADMIN))
7743 return -EPERM;
7744 break;
7745 case AIROGSTAT: ridcode = RID_STATUS; break;
7746 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7747 case AIROGSTATSC32: ridcode = RID_STATS; break;
7748 case AIROGMICSTATS:
7749 if (copy_to_user(comp->data, &ai->micstats,
7750 min((int)comp->len,(int)sizeof(ai->micstats))))
7751 return -EFAULT;
7752 return 0;
7753 case AIRORRID: ridcode = comp->ridnum; break;
7754 default:
7755 return -EINVAL;
7756 break;
7757 }
7758
7759 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7760 return -ENOMEM;
7761
7762 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7763 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7764 * then return it to the user
7765 * 9/22/2000 Honor user given length
7766 */
7767 len = comp->len;
7768
7769 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7770 kfree (iobuf);
7771 return -EFAULT;
7772 }
7773 kfree (iobuf);
7774 return 0;
7775 }
7776
7777 /*
7778 * Danger Will Robinson write the rids here
7779 */
7780
7781 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7782 struct airo_info *ai = dev->priv;
7783 int ridcode;
7784 int enabled;
7785 Resp rsp;
7786 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7787 unsigned char *iobuf;
7788
7789 /* Only super-user can write RIDs */
7790 if (!capable(CAP_NET_ADMIN))
7791 return -EPERM;
7792
7793 if (test_bit(FLAG_FLASHING, &ai->flags))
7794 return -EIO;
7795
7796 ridcode = 0;
7797 writer = do_writerid;
7798
7799 switch(comp->command)
7800 {
7801 case AIROPSIDS: ridcode = RID_SSID; break;
7802 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7803 case AIROPAPLIST: ridcode = RID_APLIST; break;
7804 case AIROPCFG: ai->config.len = 0;
7805 clear_bit(FLAG_COMMIT, &ai->flags);
7806 ridcode = RID_CONFIG; break;
7807 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7808 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7809 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7810 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7811 break;
7812 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7813 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7814
7815 /* this is not really a rid but a command given to the card
7816 * same with MAC off
7817 */
7818 case AIROPMACON:
7819 if (enable_MAC(ai, &rsp, 1) != 0)
7820 return -EIO;
7821 return 0;
7822
7823 /*
7824 * Evidently this code in the airo driver does not get a symbol
7825 * as disable_MAC. it's probably so short the compiler does not gen one.
7826 */
7827 case AIROPMACOFF:
7828 disable_MAC(ai, 1);
7829 return 0;
7830
7831 /* This command merely clears the counts does not actually store any data
7832 * only reads rid. But as it changes the cards state, I put it in the
7833 * writerid routines.
7834 */
7835 case AIROPSTCLR:
7836 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7837 return -ENOMEM;
7838
7839 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7840
7841 enabled = ai->micstats.enabled;
7842 memset(&ai->micstats,0,sizeof(ai->micstats));
7843 ai->micstats.enabled = enabled;
7844
7845 if (copy_to_user(comp->data, iobuf,
7846 min((int)comp->len, (int)RIDSIZE))) {
7847 kfree (iobuf);
7848 return -EFAULT;
7849 }
7850 kfree (iobuf);
7851 return 0;
7852
7853 default:
7854 return -EOPNOTSUPP; /* Blarg! */
7855 }
7856 if(comp->len > RIDSIZE)
7857 return -EINVAL;
7858
7859 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7860 return -ENOMEM;
7861
7862 if (copy_from_user(iobuf,comp->data,comp->len)) {
7863 kfree (iobuf);
7864 return -EFAULT;
7865 }
7866
7867 if (comp->command == AIROPCFG) {
7868 ConfigRid *cfg = (ConfigRid *)iobuf;
7869
7870 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7871 cfg->opmode |= MODE_MIC;
7872
7873 if ((cfg->opmode & 0xFF) == MODE_STA_IBSS)
7874 set_bit (FLAG_ADHOC, &ai->flags);
7875 else
7876 clear_bit (FLAG_ADHOC, &ai->flags);
7877 }
7878
7879 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7880 kfree (iobuf);
7881 return -EIO;
7882 }
7883 kfree (iobuf);
7884 return 0;
7885 }
7886
7887 /*****************************************************************************
7888 * Ancillary flash / mod functions much black magic lurkes here *
7889 *****************************************************************************
7890 */
7891
7892 /*
7893 * Flash command switch table
7894 */
7895
7896 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7897 int z;
7898
7899 /* Only super-user can modify flash */
7900 if (!capable(CAP_NET_ADMIN))
7901 return -EPERM;
7902
7903 switch(comp->command)
7904 {
7905 case AIROFLSHRST:
7906 return cmdreset((struct airo_info *)dev->priv);
7907
7908 case AIROFLSHSTFL:
7909 if (!((struct airo_info *)dev->priv)->flash &&
7910 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7911 return -ENOMEM;
7912 return setflashmode((struct airo_info *)dev->priv);
7913
7914 case AIROFLSHGCHR: /* Get char from aux */
7915 if(comp->len != sizeof(int))
7916 return -EINVAL;
7917 if (copy_from_user(&z,comp->data,comp->len))
7918 return -EFAULT;
7919 return flashgchar((struct airo_info *)dev->priv,z,8000);
7920
7921 case AIROFLSHPCHR: /* Send char to card. */
7922 if(comp->len != sizeof(int))
7923 return -EINVAL;
7924 if (copy_from_user(&z,comp->data,comp->len))
7925 return -EFAULT;
7926 return flashpchar((struct airo_info *)dev->priv,z,8000);
7927
7928 case AIROFLPUTBUF: /* Send 32k to card */
7929 if (!((struct airo_info *)dev->priv)->flash)
7930 return -ENOMEM;
7931 if(comp->len > FLASHSIZE)
7932 return -EINVAL;
7933 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7934 return -EFAULT;
7935
7936 flashputbuf((struct airo_info *)dev->priv);
7937 return 0;
7938
7939 case AIRORESTART:
7940 if(flashrestart((struct airo_info *)dev->priv,dev))
7941 return -EIO;
7942 return 0;
7943 }
7944 return -EINVAL;
7945 }
7946
7947 #define FLASH_COMMAND 0x7e7e
7948
7949 /*
7950 * STEP 1)
7951 * Disable MAC and do soft reset on
7952 * card.
7953 */
7954
7955 static int cmdreset(struct airo_info *ai) {
7956 disable_MAC(ai, 1);
7957
7958 if(!waitbusy (ai)){
7959 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
7960 return -EBUSY;
7961 }
7962
7963 OUT4500(ai,COMMAND,CMD_SOFTRESET);
7964
7965 ssleep(1); /* WAS 600 12/7/00 */
7966
7967 if(!waitbusy (ai)){
7968 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
7969 return -EBUSY;
7970 }
7971 return 0;
7972 }
7973
7974 /* STEP 2)
7975 * Put the card in legendary flash
7976 * mode
7977 */
7978
7979 static int setflashmode (struct airo_info *ai) {
7980 set_bit (FLAG_FLASHING, &ai->flags);
7981
7982 OUT4500(ai, SWS0, FLASH_COMMAND);
7983 OUT4500(ai, SWS1, FLASH_COMMAND);
7984 if (probe) {
7985 OUT4500(ai, SWS0, FLASH_COMMAND);
7986 OUT4500(ai, COMMAND,0x10);
7987 } else {
7988 OUT4500(ai, SWS2, FLASH_COMMAND);
7989 OUT4500(ai, SWS3, FLASH_COMMAND);
7990 OUT4500(ai, COMMAND,0);
7991 }
7992 msleep(500); /* 500ms delay */
7993
7994 if(!waitbusy(ai)) {
7995 clear_bit (FLAG_FLASHING, &ai->flags);
7996 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
7997 return -EIO;
7998 }
7999 return 0;
8000 }
8001
8002 /* Put character to SWS0 wait for dwelltime
8003 * x 50us for echo .
8004 */
8005
8006 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8007 int echo;
8008 int waittime;
8009
8010 byte |= 0x8000;
8011
8012 if(dwelltime == 0 )
8013 dwelltime = 200;
8014
8015 waittime=dwelltime;
8016
8017 /* Wait for busy bit d15 to go false indicating buffer empty */
8018 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8019 udelay (50);
8020 waittime -= 50;
8021 }
8022
8023 /* timeout for busy clear wait */
8024 if(waittime <= 0 ){
8025 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8026 return -EBUSY;
8027 }
8028
8029 /* Port is clear now write byte and wait for it to echo back */
8030 do {
8031 OUT4500(ai,SWS0,byte);
8032 udelay(50);
8033 dwelltime -= 50;
8034 echo = IN4500(ai,SWS1);
8035 } while (dwelltime >= 0 && echo != byte);
8036
8037 OUT4500(ai,SWS1,0);
8038
8039 return (echo == byte) ? 0 : -EIO;
8040 }
8041
8042 /*
8043 * Get a character from the card matching matchbyte
8044 * Step 3)
8045 */
8046 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8047 int rchar;
8048 unsigned char rbyte=0;
8049
8050 do {
8051 rchar = IN4500(ai,SWS1);
8052
8053 if(dwelltime && !(0x8000 & rchar)){
8054 dwelltime -= 10;
8055 mdelay(10);
8056 continue;
8057 }
8058 rbyte = 0xff & rchar;
8059
8060 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8061 OUT4500(ai,SWS1,0);
8062 return 0;
8063 }
8064 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8065 break;
8066 OUT4500(ai,SWS1,0);
8067
8068 }while(dwelltime > 0);
8069 return -EIO;
8070 }
8071
8072 /*
8073 * Transfer 32k of firmware data from user buffer to our buffer and
8074 * send to the card
8075 */
8076
8077 static int flashputbuf(struct airo_info *ai){
8078 int nwords;
8079
8080 /* Write stuff */
8081 if (test_bit(FLAG_MPI,&ai->flags))
8082 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8083 else {
8084 OUT4500(ai,AUXPAGE,0x100);
8085 OUT4500(ai,AUXOFF,0);
8086
8087 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8088 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8089 }
8090 }
8091 OUT4500(ai,SWS0,0x8000);
8092
8093 return 0;
8094 }
8095
8096 /*
8097 *
8098 */
8099 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8100 int i,status;
8101
8102 ssleep(1); /* Added 12/7/00 */
8103 clear_bit (FLAG_FLASHING, &ai->flags);
8104 if (test_bit(FLAG_MPI, &ai->flags)) {
8105 status = mpi_init_descriptors(ai);
8106 if (status != SUCCESS)
8107 return status;
8108 }
8109 status = setup_card(ai, dev->dev_addr, 1);
8110
8111 if (!test_bit(FLAG_MPI,&ai->flags))
8112 for( i = 0; i < MAX_FIDS; i++ ) {
8113 ai->fids[i] = transmit_allocate
8114 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8115 }
8116
8117 ssleep(1); /* Added 12/7/00 */
8118 return status;
8119 }
8120 #endif /* CISCO_EXT */
8121
8122 /*
8123 This program is free software; you can redistribute it and/or
8124 modify it under the terms of the GNU General Public License
8125 as published by the Free Software Foundation; either version 2
8126 of the License, or (at your option) any later version.
8127
8128 This program is distributed in the hope that it will be useful,
8129 but WITHOUT ANY WARRANTY; without even the implied warranty of
8130 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8131 GNU General Public License for more details.
8132
8133 In addition:
8134
8135 Redistribution and use in source and binary forms, with or without
8136 modification, are permitted provided that the following conditions
8137 are met:
8138
8139 1. Redistributions of source code must retain the above copyright
8140 notice, this list of conditions and the following disclaimer.
8141 2. Redistributions in binary form must reproduce the above copyright
8142 notice, this list of conditions and the following disclaimer in the
8143 documentation and/or other materials provided with the distribution.
8144 3. The name of the author may not be used to endorse or promote
8145 products derived from this software without specific prior written
8146 permission.
8147
8148 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8149 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8150 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8151 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8152 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8153 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8154 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8155 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8156 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8157 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8158 POSSIBILITY OF SUCH DAMAGE.
8159 */
8160
8161 module_init(airo_init_module);
8162 module_exit(airo_cleanup_module);
Linux kernel - Deliverables
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